diff options
Diffstat (limited to 'drivers/net')
194 files changed, 16373 insertions, 9311 deletions
diff --git a/drivers/net/3c503.c b/drivers/net/3c503.c index 5c5eebdb691..dcc98afa65d 100644 --- a/drivers/net/3c503.c +++ b/drivers/net/3c503.c @@ -148,14 +148,6 @@ el2_pio_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* NB: el2_close() handles free_irq */ - release_region(dev->base_addr, EL2_IO_EXTENT); - if (ei_status.mem) - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init el2_probe(int unit) { @@ -726,6 +718,14 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* NB: el2_close() handles free_irq */ + release_region(dev->base_addr, EL2_IO_EXTENT); + if (ei_status.mem) + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/3c527.h b/drivers/net/3c527.h index c10f009ce9b..53b5b071df0 100644 --- a/drivers/net/3c527.h +++ b/drivers/net/3c527.h @@ -32,43 +32,43 @@ struct mc32_mailbox { - u16 mbox __attribute((packed)); - u16 data[1] __attribute((packed)); -}; + u16 mbox; + u16 data[1]; +} __attribute((packed)); struct skb_header { - u8 status __attribute((packed)); - u8 control __attribute((packed)); - u16 next __attribute((packed)); /* Do not change! */ - u16 length __attribute((packed)); - u32 data __attribute((packed)); -}; + u8 status; + u8 control; + u16 next; /* Do not change! */ + u16 length; + u32 data; +} __attribute((packed)); struct mc32_stats { /* RX Errors */ - u32 rx_crc_errors __attribute((packed)); - u32 rx_alignment_errors __attribute((packed)); - u32 rx_overrun_errors __attribute((packed)); - u32 rx_tooshort_errors __attribute((packed)); - u32 rx_toolong_errors __attribute((packed)); - u32 rx_outofresource_errors __attribute((packed)); + u32 rx_crc_errors; + u32 rx_alignment_errors; + u32 rx_overrun_errors; + u32 rx_tooshort_errors; + u32 rx_toolong_errors; + u32 rx_outofresource_errors; - u32 rx_discarded __attribute((packed)); /* via card pattern match filter */ + u32 rx_discarded; /* via card pattern match filter */ /* TX Errors */ - u32 tx_max_collisions __attribute((packed)); - u32 tx_carrier_errors __attribute((packed)); - u32 tx_underrun_errors __attribute((packed)); - u32 tx_cts_errors __attribute((packed)); - u32 tx_timeout_errors __attribute((packed)) ; + u32 tx_max_collisions; + u32 tx_carrier_errors; + u32 tx_underrun_errors; + u32 tx_cts_errors; + u32 tx_timeout_errors; /* various cruft */ - u32 dataA[6] __attribute((packed)); - u16 dataB[5] __attribute((packed)); - u32 dataC[14] __attribute((packed)); -}; + u32 dataA[6]; + u16 dataB[5]; + u32 dataC[14]; +} __attribute((packed)); #define STATUS_MASK 0x0F #define COMPLETED (1<<7) diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c index 30bee11c48b..adfba44dac5 100644 --- a/drivers/net/8139too.c +++ b/drivers/net/8139too.c @@ -505,7 +505,7 @@ enum chip_flags { #define HW_REVID_MASK HW_REVID(1, 1, 1, 1, 1, 1, 1) /* directly indexed by chip_t, above */ -const static struct { +static const struct { const char *name; u32 version; /* from RTL8139C/RTL8139D docs */ u32 flags; @@ -586,16 +586,16 @@ struct rtl8139_private { dma_addr_t tx_bufs_dma; signed char phys[4]; /* MII device addresses. */ char twistie, twist_row, twist_col; /* Twister tune state. */ - unsigned int default_port:4; /* Last dev->if_port value. */ + unsigned int default_port : 4; /* Last dev->if_port value. */ + unsigned int have_thread : 1; spinlock_t lock; spinlock_t rx_lock; chip_t chipset; - pid_t thr_pid; - wait_queue_head_t thr_wait; - struct completion thr_exited; u32 rx_config; struct rtl_extra_stats xstats; - int time_to_die; + + struct work_struct thread; + struct mii_if_info mii; unsigned int regs_len; unsigned long fifo_copy_timeout; @@ -620,7 +620,7 @@ static int rtl8139_open (struct net_device *dev); static int mdio_read (struct net_device *dev, int phy_id, int location); static void mdio_write (struct net_device *dev, int phy_id, int location, int val); -static void rtl8139_start_thread(struct net_device *dev); +static void rtl8139_start_thread(struct rtl8139_private *tp); static void rtl8139_tx_timeout (struct net_device *dev); static void rtl8139_init_ring (struct net_device *dev); static int rtl8139_start_xmit (struct sk_buff *skb, @@ -637,6 +637,7 @@ static struct net_device_stats *rtl8139_get_stats (struct net_device *dev); static void rtl8139_set_rx_mode (struct net_device *dev); static void __set_rx_mode (struct net_device *dev); static void rtl8139_hw_start (struct net_device *dev); +static void rtl8139_thread (void *_data); static struct ethtool_ops rtl8139_ethtool_ops; /* write MMIO register, with flush */ @@ -1007,8 +1008,7 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev, (debug < 0 ? RTL8139_DEF_MSG_ENABLE : ((1 << debug) - 1)); spin_lock_init (&tp->lock); spin_lock_init (&tp->rx_lock); - init_waitqueue_head (&tp->thr_wait); - init_completion (&tp->thr_exited); + INIT_WORK(&tp->thread, rtl8139_thread, dev); tp->mii.dev = dev; tp->mii.mdio_read = mdio_read; tp->mii.mdio_write = mdio_write; @@ -1345,7 +1345,7 @@ static int rtl8139_open (struct net_device *dev) dev->irq, RTL_R8 (MediaStatus), tp->mii.full_duplex ? "full" : "half"); - rtl8139_start_thread(dev); + rtl8139_start_thread(tp); return 0; } @@ -1594,55 +1594,43 @@ static inline void rtl8139_thread_iter (struct net_device *dev, RTL_R8 (Config1)); } -static int rtl8139_thread (void *data) +static void rtl8139_thread (void *_data) { - struct net_device *dev = data; + struct net_device *dev = _data; struct rtl8139_private *tp = netdev_priv(dev); - unsigned long timeout; - - daemonize("%s", dev->name); - allow_signal(SIGTERM); - - while (1) { - timeout = next_tick; - do { - timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout); - /* make swsusp happy with our thread */ - try_to_freeze(); - } while (!signal_pending (current) && (timeout > 0)); - - if (signal_pending (current)) { - flush_signals(current); - } + unsigned long thr_delay; - if (tp->time_to_die) - break; - - if (rtnl_lock_interruptible ()) - break; + if (rtnl_shlock_nowait() == 0) { rtl8139_thread_iter (dev, tp, tp->mmio_addr); rtnl_unlock (); + + thr_delay = next_tick; + } else { + /* unlikely race. mitigate with fast poll. */ + thr_delay = HZ / 2; } - complete_and_exit (&tp->thr_exited, 0); + schedule_delayed_work(&tp->thread, thr_delay); } -static void rtl8139_start_thread(struct net_device *dev) +static void rtl8139_start_thread(struct rtl8139_private *tp) { - struct rtl8139_private *tp = netdev_priv(dev); - - tp->thr_pid = -1; tp->twistie = 0; - tp->time_to_die = 0; if (tp->chipset == CH_8139_K) tp->twistie = 1; else if (tp->drv_flags & HAS_LNK_CHNG) return; - tp->thr_pid = kernel_thread(rtl8139_thread, dev, CLONE_FS|CLONE_FILES); - if (tp->thr_pid < 0) { - printk (KERN_WARNING "%s: unable to start kernel thread\n", - dev->name); + tp->have_thread = 1; + + schedule_delayed_work(&tp->thread, next_tick); +} + +static void rtl8139_stop_thread(struct rtl8139_private *tp) +{ + if (tp->have_thread) { + cancel_rearming_delayed_work(&tp->thread); + tp->have_thread = 0; } } @@ -2224,22 +2212,12 @@ static int rtl8139_close (struct net_device *dev) { struct rtl8139_private *tp = netdev_priv(dev); void __iomem *ioaddr = tp->mmio_addr; - int ret = 0; unsigned long flags; netif_stop_queue (dev); - if (tp->thr_pid >= 0) { - tp->time_to_die = 1; - wmb(); - ret = kill_proc (tp->thr_pid, SIGTERM, 1); - if (ret) { - printk (KERN_ERR "%s: unable to signal thread\n", dev->name); - return ret; - } - wait_for_completion (&tp->thr_exited); - } - + rtl8139_stop_thread(tp); + if (netif_msg_ifdown(tp)) printk(KERN_DEBUG "%s: Shutting down ethercard, status was 0x%4.4x.\n", dev->name, RTL_R16 (IntrStatus)); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index ebd7313d7fc..626508afe1b 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -7,6 +7,7 @@ menu "Network device support" config NETDEVICES depends on NET + default y if UML bool "Network device support" ---help--- You can say N here if you don't intend to connect your Linux box to @@ -27,6 +28,19 @@ config NETDEVICES # that for each of the symbols. if NETDEVICES +config IFB + tristate "Intermediate Functional Block support" + depends on NET_CLS_ACT + ---help--- + This is an intermidiate driver that allows sharing of + resources. + To compile this driver as a module, choose M here: the module + will be called ifb. If you want to use more than one ifb + device at a time, you need to compile this driver as a module. + Instead of 'ifb', the devices will then be called 'ifb0', + 'ifb1' etc. + Look at the iproute2 documentation directory for usage etc + config DUMMY tristate "Dummy net driver support" ---help--- @@ -129,7 +143,7 @@ config NET_SB1000 If you don't have this card, of course say N. - source "drivers/net/arcnet/Kconfig" +source "drivers/net/arcnet/Kconfig" source "drivers/net/phy/Kconfig" @@ -844,7 +858,7 @@ config SMC9194 config DM9000 tristate "DM9000 support" - depends on ARM && NET_ETHERNET + depends on (ARM || MIPS) && NET_ETHERNET select CRC32 select MII ---help--- @@ -1374,7 +1388,7 @@ config FORCEDETH config CS89x0 tristate "CS89x0 support" - depends on (NET_PCI && (ISA || ARCH_IXDP2X01)) || ARCH_PNX0105 + depends on NET_PCI && (ISA || MACH_IXDP2351 || ARCH_IXDP2X01 || ARCH_PNX010X) ---help--- Support for CS89x0 chipset based Ethernet cards. If you have a network (Ethernet) card of this type, say Y and read the @@ -1384,7 +1398,7 @@ config CS89x0 To compile this driver as a module, choose M here and read <file:Documentation/networking/net-modules.txt>. The module will be - called cs89x. + called cs89x0. config TC35815 tristate "TOSHIBA TC35815 Ethernet support" @@ -1791,7 +1805,7 @@ config 68360_ENET config FEC bool "FEC ethernet controller (of ColdFire CPUs)" - depends on M523x || M527x || M5272 || M528x + depends on M523x || M527x || M5272 || M528x || M520x help Say Y here if you want to use the built-in 10/100 Fast ethernet controller on some Motorola ColdFire processors. @@ -1901,6 +1915,17 @@ config E1000_NAPI If in doubt, say N. +config E1000_DISABLE_PACKET_SPLIT + bool "Disable Packet Split for PCI express adapters" + depends on E1000 + help + Say Y here if you want to use the legacy receive path for PCI express + hadware. + + If in doubt, say N. + +source "drivers/net/ixp2000/Kconfig" + config MYRI_SBUS tristate "MyriCOM Gigabit Ethernet support" depends on SBUS @@ -2008,7 +2033,18 @@ config SKGE It does not support the link failover and network management features that "portable" vendor supplied sk98lin driver does. - + + +config SKY2 + tristate "SysKonnect Yukon2 support (EXPERIMENTAL)" + depends on PCI && EXPERIMENTAL + select CRC32 + ---help--- + This driver support the Marvell Yukon 2 Gigabit Ethernet adapter. + + To compile this driver as a module, choose M here: the module + will be called sky2. This is recommended. + config SK98LIN tristate "Marvell Yukon Chipset / SysKonnect SK-98xx Support" depends on PCI @@ -2120,7 +2156,7 @@ config BNX2 config SPIDER_NET tristate "Spider Gigabit Ethernet driver" - depends on PCI && PPC_BPA + depends on PCI && PPC_CELL help This driver supports the Gigabit Ethernet chips present on the Cell Processor-Based Blades from IBM. @@ -2650,10 +2686,6 @@ config SHAPER Class-Based Queueing (CBQ) scheduling support which you get if you say Y to "QoS and/or fair queueing" above. - To set up and configure shaper devices, you need the shapecfg - program, available from <ftp://shadow.cabi.net/pub/Linux/> in the - shaper package. - To compile this driver as a module, choose M here: the module will be called shaper. If unsure, say N. diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 4cffd34442a..00e72b12fb9 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -13,7 +13,10 @@ obj-$(CONFIG_CHELSIO_T1) += chelsio/ obj-$(CONFIG_BONDING) += bonding/ obj-$(CONFIG_GIANFAR) += gianfar_driver.o -gianfar_driver-objs := gianfar.o gianfar_ethtool.o gianfar_mii.o +gianfar_driver-objs := gianfar.o \ + gianfar_ethtool.o \ + gianfar_mii.o \ + gianfar_sysfs.o # # link order important here @@ -59,6 +62,7 @@ spidernet-y += spider_net.o spider_net_ethtool.o sungem_phy.o obj-$(CONFIG_SPIDER_NET) += spidernet.o obj-$(CONFIG_TC35815) += tc35815.o obj-$(CONFIG_SKGE) += skge.o +obj-$(CONFIG_SKY2) += sky2.o obj-$(CONFIG_SK98LIN) += sk98lin/ obj-$(CONFIG_SKFP) += skfp/ obj-$(CONFIG_VIA_RHINE) += via-rhine.o @@ -121,6 +125,7 @@ ifeq ($(CONFIG_SLIP_COMPRESSED),y) endif obj-$(CONFIG_DUMMY) += dummy.o +obj-$(CONFIG_IFB) += ifb.o obj-$(CONFIG_DE600) += de600.o obj-$(CONFIG_DE620) += de620.o obj-$(CONFIG_LANCE) += lance.o @@ -202,6 +207,7 @@ obj-$(CONFIG_NET_TULIP) += tulip/ obj-$(CONFIG_HAMRADIO) += hamradio/ obj-$(CONFIG_IRDA) += irda/ obj-$(CONFIG_ETRAX_ETHERNET) += cris/ +obj-$(CONFIG_ENP2611_MSF_NET) += ixp2000/ obj-$(CONFIG_NETCONSOLE) += netconsole.o diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c index 8a0af5453e2..7952dc6d77e 100644 --- a/drivers/net/ac3200.c +++ b/drivers/net/ac3200.c @@ -123,14 +123,6 @@ static int __init do_ac3200_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* Someday free_irq may be in ac_close_card() */ - free_irq(dev->irq, dev); - release_region(dev->base_addr, AC_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init ac3200_probe(int unit) { @@ -406,6 +398,14 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* Someday free_irq may be in ac_close_card() */ + free_irq(dev->irq, dev); + release_region(dev->base_addr, AC_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/arm/Kconfig b/drivers/net/arm/Kconfig index 470364deded..625184b65e3 100644 --- a/drivers/net/arm/Kconfig +++ b/drivers/net/arm/Kconfig @@ -31,16 +31,3 @@ config ARM_ETHERH help If you have an Acorn system with one of these network cards, you should say Y to this option if you wish to use it with Linux. - -config ARM_ETHER00 - tristate "Altera Ether00 support" - depends on NET_ETHERNET && ARM && ARCH_CAMELOT - help - This is the driver for Altera's ether00 ethernet mac IP core. Say - Y here if you want to build support for this into the kernel. It - is also available as a module (say M here) that can be inserted/ - removed from the kernel at the same time as the PLD is configured. - If this driver is running on an epxa10 development board then it - will generate a suitable hw address based on the board serial - number (MTD support is required for this). Otherwise you will - need to set a suitable hw address using ifconfig. diff --git a/drivers/net/arm/Makefile b/drivers/net/arm/Makefile index b0d706834d8..bc263edf06a 100644 --- a/drivers/net/arm/Makefile +++ b/drivers/net/arm/Makefile @@ -4,7 +4,6 @@ # obj-$(CONFIG_ARM_AM79C961A) += am79c961a.o -obj-$(CONFIG_ARM_ETHER00) += ether00.o obj-$(CONFIG_ARM_ETHERH) += etherh.o obj-$(CONFIG_ARM_ETHER3) += ether3.o obj-$(CONFIG_ARM_ETHER1) += ether1.o diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c index 877891a29aa..53e3afc1b7b 100644 --- a/drivers/net/arm/am79c961a.c +++ b/drivers/net/arm/am79c961a.c @@ -668,9 +668,8 @@ static void __init am79c961_banner(void) printk(KERN_INFO "%s", version); } -static int __init am79c961_probe(struct device *_dev) +static int __init am79c961_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(_dev); struct resource *res; struct net_device *dev; struct dev_priv *priv; @@ -758,15 +757,16 @@ out: return ret; } -static struct device_driver am79c961_driver = { - .name = "am79c961", - .bus = &platform_bus_type, +static struct platform_driver am79c961_driver = { .probe = am79c961_probe, + .driver = { + .name = "am79c961", + }, }; static int __init am79c961_init(void) { - return driver_register(&am79c961_driver); + return platform_driver_register(&am79c961_driver); } __initcall(am79c961_init); diff --git a/drivers/net/arm/ether00.c b/drivers/net/arm/ether00.c deleted file mode 100644 index 4f1f4e31bda..00000000000 --- a/drivers/net/arm/ether00.c +++ /dev/null @@ -1,1017 +0,0 @@ -/* - * drivers/net/ether00.c - * - * Copyright (C) 2001 Altera Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* includes */ -#include <linux/config.h> -#include <linux/pci.h> -#include <linux/sched.h> -#include <linux/netdevice.h> -#include <linux/skbuff.h> -#include <linux/etherdevice.h> -#include <linux/module.h> -#include <linux/tqueue.h> -#include <linux/mtd/mtd.h> -#include <linux/pld/pld_hotswap.h> -#include <asm/arch/excalibur.h> -#include <asm/arch/hardware.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/sizes.h> - -#include <asm/arch/ether00.h> -#include <asm/arch/tdkphy.h> - - -MODULE_AUTHOR("Clive Davies"); -MODULE_DESCRIPTION("Altera Ether00 IP core driver"); -MODULE_LICENSE("GPL"); - -#define PKT_BUF_SZ 1540 /* Size of each rx buffer */ -#define ETH_NR 4 /* Number of MACs this driver supports */ - -#define DEBUG(x) - -#define __dma_va(x) (unsigned int)((unsigned int)priv->dma_data+(((unsigned int)(x))&(EXC_SPSRAM_BLOCK0_SIZE-1))) -#define __dma_pa(x) (unsigned int)(EXC_SPSRAM_BLOCK0_BASE+(((unsigned int)(x))-(unsigned int)priv->dma_data)) - -#define ETHER00_BASE 0 -#define ETHER00_TYPE -#define ETHER00_NAME "ether00" -#define MAC_REG_SIZE 0x400 /* size of MAC register area */ - - - -/* typedefs */ - -/* The definition of the driver control structure */ - -#define RX_NUM_BUFF 10 -#define RX_NUM_FDESC 10 -#define TX_NUM_FDESC 10 - -struct tx_fda_ent{ - FDA_DESC fd; - BUF_DESC bd; - BUF_DESC pad; -}; -struct rx_fda_ent{ - FDA_DESC fd; - BUF_DESC bd; - BUF_DESC pad; -}; -struct rx_blist_ent{ - FDA_DESC fd; - BUF_DESC bd; - BUF_DESC pad; -}; -struct net_priv -{ - struct net_device_stats stats; - struct sk_buff* skb; - void* dma_data; - struct rx_blist_ent* rx_blist_vp; - struct rx_fda_ent* rx_fda_ptr; - struct tx_fda_ent* tx_fdalist_vp; - struct tq_struct tq_memupdate; - unsigned char memupdate_scheduled; - unsigned char rx_disabled; - unsigned char queue_stopped; - spinlock_t rx_lock; -}; - -static const char vendor_id[2]={0x07,0xed}; - -#ifdef ETHER00_DEBUG - -/* Dump (most) registers for debugging puposes */ - -static void dump_regs(struct net_device *dev){ - struct net_priv* priv=dev->priv; - unsigned int* i; - - printk("\n RX free descriptor area:\n"); - - for(i=(unsigned int*)priv->rx_fda_ptr; - i<((unsigned int*)(priv->rx_fda_ptr+RX_NUM_FDESC));){ - printk("%#8x %#8x %#8x %#8x\n",*i,*(i+1),*(i+2),*(i+3)); - i+=4; - } - - printk("\n RX buffer list:\n"); - - for(i=(unsigned int*)priv->rx_blist_vp; - i<((unsigned int*)(priv->rx_blist_vp+RX_NUM_BUFF));){ - printk("%#8x %#8x %#8x %#8x\n",*i,*(i+1),*(i+2),*(i+3)); - i+=4; - } - - printk("\n TX frame descriptor list:\n"); - - for(i=(unsigned int*)priv->tx_fdalist_vp; - i<((unsigned int*)(priv->tx_fdalist_vp+TX_NUM_FDESC));){ - printk("%#8x %#8x %#8x %#8x\n",*i,*(i+1),*(i+2),*(i+3)); - i+=4; - } - - printk("\ndma ctl=%#x\n",readw(ETHER_DMA_CTL(dev->base_addr))); - printk("txfrmptr=%#x\n",readw(ETHER_TXFRMPTR(dev->base_addr))); - printk("txthrsh=%#x\n",readw(ETHER_TXTHRSH(dev->base_addr))); - printk("txpollctr=%#x\n",readw(ETHER_TXPOLLCTR(dev->base_addr))); - printk("blfrmptr=%#x\n",readw(ETHER_BLFRMPTR(dev->base_addr))); - printk("rxfragsize=%#x\n",readw(ETHER_RXFRAGSIZE(dev->base_addr))); - printk("tx_int_en=%#x\n",readw(ETHER_INT_EN(dev->base_addr))); - printk("fda_bas=%#x\n",readw(ETHER_FDA_BAS(dev->base_addr))); - printk("fda_lim=%#x\n",readw(ETHER_FDA_LIM(dev->base_addr))); - printk("int_src=%#x\n",readw(ETHER_INT_SRC(dev->base_addr))); - printk("pausecnt=%#x\n",readw(ETHER_PAUSECNT(dev->base_addr))); - printk("rempaucnt=%#x\n",readw(ETHER_REMPAUCNT(dev->base_addr))); - printk("txconfrmstat=%#x\n",readw(ETHER_TXCONFRMSTAT(dev->base_addr))); - printk("mac_ctl=%#x\n",readw(ETHER_MAC_CTL(dev->base_addr))); - printk("arc_ctl=%#x\n",readw(ETHER_ARC_CTL(dev->base_addr))); - printk("tx_ctl=%#x\n",readw(ETHER_TX_CTL(dev->base_addr))); -} -#endif /* ETHER00_DEBUG */ - - -static int ether00_write_phy(struct net_device *dev, short address, short value) -{ - volatile int count = 1024; - writew(value,ETHER_MD_DATA(dev->base_addr)); - writew( ETHER_MD_CA_BUSY_MSK | - ETHER_MD_CA_WR_MSK | - (address & ETHER_MD_CA_ADDR_MSK), - ETHER_MD_CA(dev->base_addr)); - - /* Wait for the command to complete */ - while((readw(ETHER_MD_CA(dev->base_addr)) & ETHER_MD_CA_BUSY_MSK)&&count){ - count--; - } - if (!count){ - printk("Write to phy failed, addr=%#x, data=%#x\n",address, value); - return -EIO; - } - return 0; -} - -static int ether00_read_phy(struct net_device *dev, short address) -{ - volatile int count = 1024; - writew( ETHER_MD_CA_BUSY_MSK | - (address & ETHER_MD_CA_ADDR_MSK), - ETHER_MD_CA(dev->base_addr)); - - /* Wait for the command to complete */ - while((readw(ETHER_MD_CA(dev->base_addr)) & ETHER_MD_CA_BUSY_MSK)&&count){ - count--; - } - if (!count){ - printk(KERN_WARNING "Read from phy timed out\n"); - return -EIO; - } - return readw(ETHER_MD_DATA(dev->base_addr)); -} - -static void ether00_phy_int(int irq_num, void* dev_id, struct pt_regs* regs) -{ - struct net_device* dev=dev_id; - int irq_status; - - irq_status=ether00_read_phy(dev, PHY_IRQ_CONTROL); - - if(irq_status & PHY_IRQ_CONTROL_ANEG_COMP_INT_MSK){ - /* - * Autonegotiation complete on epxa10db. The mac doesn't - * twig if we're in full duplex so we need to check the - * phy status register and configure the mac accordingly - */ - if(ether00_read_phy(dev, PHY_STATUS)&(PHY_STATUS_10T_F_MSK|PHY_STATUS_100_X_F_MSK)){ - int tmp; - tmp=readl(ETHER_MAC_CTL(dev->base_addr)); - writel(tmp|ETHER_MAC_CTL_FULLDUP_MSK,ETHER_MAC_CTL(dev->base_addr)); - } - } - - if(irq_status&PHY_IRQ_CONTROL_LS_CHG_INT_MSK){ - - if(ether00_read_phy(dev, PHY_STATUS)& PHY_STATUS_LINK_MSK){ - /* Link is up */ - netif_carrier_on(dev); - //printk("Carrier on\n"); - }else{ - netif_carrier_off(dev); - //printk("Carrier off\n"); - - } - } - -} - -static void setup_blist_entry(struct sk_buff* skb,struct rx_blist_ent* blist_ent_ptr){ - /* Make the buffer consistent with the cache as the mac is going to write - * directly into it*/ - blist_ent_ptr->fd.FDSystem=(unsigned int)skb; - blist_ent_ptr->bd.BuffData=(char*)__pa(skb->data); - consistent_sync(skb->data,PKT_BUF_SZ,PCI_DMA_FROMDEVICE); - /* align IP on 16 Byte (DMA_CTL set to skip 2 bytes) */ - skb_reserve(skb,2); - blist_ent_ptr->bd.BuffLength=PKT_BUF_SZ-2; - blist_ent_ptr->fd.FDLength=1; - blist_ent_ptr->fd.FDCtl=FDCTL_COWNSFD_MSK; - blist_ent_ptr->bd.BDCtl=BDCTL_COWNSBD_MSK; -} - - -static int ether00_mem_init(struct net_device* dev) -{ - struct net_priv* priv=dev->priv; - struct tx_fda_ent *tx_fd_ptr,*tx_end_ptr; - struct rx_blist_ent* blist_ent_ptr; - int i; - - /* - * Grab a block of on chip SRAM to contain the control stuctures for - * the ethernet MAC. This uncached becuase it needs to be accesses by both - * bus masters (cpu + mac). However, it shouldn't matter too much in terms - * of speed as its on chip memory - */ - priv->dma_data=ioremap_nocache(EXC_SPSRAM_BLOCK0_BASE,EXC_SPSRAM_BLOCK0_SIZE ); - if (!priv->dma_data) - return -ENOMEM; - - priv->rx_fda_ptr=(struct rx_fda_ent*)priv->dma_data; - /* - * Now share it out amongst the Frame descriptors and the buffer list - */ - priv->rx_blist_vp=(struct rx_blist_ent*)((unsigned int)priv->dma_data+RX_NUM_FDESC*sizeof(struct rx_fda_ent)); - - /* - *Initalise the FDA list - */ - /* set ownership to the controller */ - memset(priv->rx_fda_ptr,0x80,RX_NUM_FDESC*sizeof(struct rx_fda_ent)); - - /* - *Initialise the buffer list - */ - blist_ent_ptr=priv->rx_blist_vp; - i=0; - while(blist_ent_ptr<(priv->rx_blist_vp+RX_NUM_BUFF)){ - struct sk_buff *skb; - blist_ent_ptr->fd.FDLength=1; - skb=dev_alloc_skb(PKT_BUF_SZ); - if(skb){ - setup_blist_entry(skb,blist_ent_ptr); - blist_ent_ptr->fd.FDNext=(FDA_DESC*)__dma_pa(blist_ent_ptr+1); - blist_ent_ptr->bd.BDStat=i++; - blist_ent_ptr++; - } - else - { - printk("Failed to initalise buffer list\n"); - } - - } - blist_ent_ptr--; - blist_ent_ptr->fd.FDNext=(FDA_DESC*)__dma_pa(priv->rx_blist_vp); - - priv->tx_fdalist_vp=(struct tx_fda_ent*)(priv->rx_blist_vp+RX_NUM_BUFF); - - /* Initialise the buffers to be a circular list. The mac will then go poll - * the list until it finds a frame ready to transmit */ - tx_end_ptr=priv->tx_fdalist_vp+TX_NUM_FDESC; - for(tx_fd_ptr=priv->tx_fdalist_vp;tx_fd_ptr<tx_end_ptr;tx_fd_ptr++){ - tx_fd_ptr->fd.FDNext=(FDA_DESC*)__dma_pa((tx_fd_ptr+1)); - tx_fd_ptr->fd.FDCtl=1; - tx_fd_ptr->fd.FDStat=0; - tx_fd_ptr->fd.FDLength=1; - - } - /* Change the last FDNext pointer to make a circular list */ - tx_fd_ptr--; - tx_fd_ptr->fd.FDNext=(FDA_DESC*)__dma_pa(priv->tx_fdalist_vp); - - /* Point the device at the chain of Rx and Tx Buffers */ - writel((unsigned int)__dma_pa(priv->rx_fda_ptr),ETHER_FDA_BAS(dev->base_addr)); - writel((RX_NUM_FDESC-1)*sizeof(struct rx_fda_ent),ETHER_FDA_LIM(dev->base_addr)); - writel((unsigned int)__dma_pa(priv->rx_blist_vp),ETHER_BLFRMPTR(dev->base_addr)); - - writel((unsigned int)__dma_pa(priv->tx_fdalist_vp),ETHER_TXFRMPTR(dev->base_addr)); - - return 0; -} - - -void ether00_mem_update(void* dev_id) -{ - struct net_device* dev=dev_id; - struct net_priv* priv=dev->priv; - struct sk_buff* skb; - struct tx_fda_ent *fda_ptr=priv->tx_fdalist_vp; - struct rx_blist_ent* blist_ent_ptr; - unsigned long flags; - - priv->tq_memupdate.sync=0; - //priv->tq_memupdate.list= - priv->memupdate_scheduled=0; - - /* Transmit interrupt */ - while(fda_ptr<(priv->tx_fdalist_vp+TX_NUM_FDESC)){ - if(!(FDCTL_COWNSFD_MSK&fda_ptr->fd.FDCtl) && (ETHER_TX_STAT_COMP_MSK&fda_ptr->fd.FDStat)){ - priv->stats.tx_packets++; - priv->stats.tx_bytes+=fda_ptr->bd.BuffLength; - skb=(struct sk_buff*)fda_ptr->fd.FDSystem; - //printk("%d:txcln:fda=%#x skb=%#x\n",jiffies,fda_ptr,skb); - dev_kfree_skb(skb); - fda_ptr->fd.FDSystem=0; - fda_ptr->fd.FDStat=0; - fda_ptr->fd.FDCtl=0; - } - fda_ptr++; - } - /* Fill in any missing buffers from the received queue */ - spin_lock_irqsave(&priv->rx_lock,flags); - blist_ent_ptr=priv->rx_blist_vp; - while(blist_ent_ptr<(priv->rx_blist_vp+RX_NUM_BUFF)){ - /* fd.FDSystem of 0 indicates we failed to allocate the buffer in the ISR */ - if(!blist_ent_ptr->fd.FDSystem){ - struct sk_buff *skb; - skb=dev_alloc_skb(PKT_BUF_SZ); - blist_ent_ptr->fd.FDSystem=(unsigned int)skb; - if(skb){ - setup_blist_entry(skb,blist_ent_ptr); - } - else - { - break; - } - } - blist_ent_ptr++; - } - spin_unlock_irqrestore(&priv->rx_lock,flags); - if(priv->queue_stopped){ - //printk("%d:cln:start q\n",jiffies); - netif_start_queue(dev); - } - if(priv->rx_disabled){ - //printk("%d:enable_irq\n",jiffies); - priv->rx_disabled=0; - writel(ETHER_RX_CTL_RXEN_MSK,ETHER_RX_CTL(dev->base_addr)); - - } -} - - -static void ether00_int( int irq_num, void* dev_id, struct pt_regs* regs) -{ - struct net_device* dev=dev_id; - struct net_priv* priv=dev->priv; - - unsigned int interruptValue; - - interruptValue=readl(ETHER_INT_SRC(dev->base_addr)); - - //printk("INT_SRC=%x\n",interruptValue); - - if(!(readl(ETHER_INT_SRC(dev->base_addr)) & ETHER_INT_SRC_IRQ_MSK)) - { - return; /* Interrupt wasn't caused by us!! */ - } - - if(readl(ETHER_INT_SRC(dev->base_addr))& - (ETHER_INT_SRC_INTMACRX_MSK | - ETHER_INT_SRC_FDAEX_MSK | - ETHER_INT_SRC_BLEX_MSK)) { - struct rx_blist_ent* blist_ent_ptr; - struct rx_fda_ent* fda_ent_ptr; - struct sk_buff* skb; - - fda_ent_ptr=priv->rx_fda_ptr; - spin_lock(&priv->rx_lock); - while(fda_ent_ptr<(priv->rx_fda_ptr+RX_NUM_FDESC)){ - int result; - - if(!(fda_ent_ptr->fd.FDCtl&FDCTL_COWNSFD_MSK)) - { - /* This frame is ready for processing */ - /*find the corresponding buffer in the bufferlist */ - blist_ent_ptr=priv->rx_blist_vp+fda_ent_ptr->bd.BDStat; - skb=(struct sk_buff*)blist_ent_ptr->fd.FDSystem; - - /* Pass this skb up the stack */ - skb->dev=dev; - skb_put(skb,fda_ent_ptr->fd.FDLength); - skb->protocol=eth_type_trans(skb,dev); - skb->ip_summed=CHECKSUM_UNNECESSARY; - result=netif_rx(skb); - /* Update statistics */ - priv->stats.rx_packets++; - priv->stats.rx_bytes+=fda_ent_ptr->fd.FDLength; - - /* Free the FDA entry */ - fda_ent_ptr->bd.BDStat=0xff; - fda_ent_ptr->fd.FDCtl=FDCTL_COWNSFD_MSK; - - /* Allocate a new skb and point the bd entry to it */ - blist_ent_ptr->fd.FDSystem=0; - skb=dev_alloc_skb(PKT_BUF_SZ); - //printk("allocskb=%#x\n",skb); - if(skb){ - setup_blist_entry(skb,blist_ent_ptr); - - } - else if(!priv->memupdate_scheduled){ - int tmp; - /* There are no buffers at the moment, so schedule */ - /* the background task to sort this out */ - schedule_task(&priv->tq_memupdate); - priv->memupdate_scheduled=1; - printk(KERN_DEBUG "%s:No buffers",dev->name); - /* If this interrupt was due to a lack of buffers then - * we'd better stop the receiver too */ - if(interruptValueÐER_INT_SRC_BLEX_MSK){ - priv->rx_disabled=1; - tmp=readl(ETHER_INT_SRC(dev->base_addr)); - writel(tmp&~ETHER_RX_CTL_RXEN_MSK,ETHER_RX_CTL(dev->base_addr)); - printk(KERN_DEBUG "%s:Halting rx",dev->name); - } - - } - - } - fda_ent_ptr++; - } - spin_unlock(&priv->rx_lock); - - /* Clear the interrupts */ - writel(ETHER_INT_SRC_INTMACRX_MSK | ETHER_INT_SRC_FDAEX_MSK - | ETHER_INT_SRC_BLEX_MSK,ETHER_INT_SRC(dev->base_addr)); - - } - - if(readl(ETHER_INT_SRC(dev->base_addr))ÐER_INT_SRC_INTMACTX_MSK){ - - if(!priv->memupdate_scheduled){ - schedule_task(&priv->tq_memupdate); - priv->memupdate_scheduled=1; - } - /* Clear the interrupt */ - writel(ETHER_INT_SRC_INTMACTX_MSK,ETHER_INT_SRC(dev->base_addr)); - } - - if (readl(ETHER_INT_SRC(dev->base_addr)) & (ETHER_INT_SRC_SWINT_MSK| - ETHER_INT_SRC_INTEARNOT_MSK| - ETHER_INT_SRC_INTLINK_MSK| - ETHER_INT_SRC_INTEXBD_MSK| - ETHER_INT_SRC_INTTXCTLCMP_MSK)) - { - /* - * Not using any of these so they shouldn't happen - * - * In the cased of INTEXBD - if you allocate more - * than 28 decsriptors you may need to think about this - */ - printk("Not using this interrupt\n"); - } - - if (readl(ETHER_INT_SRC(dev->base_addr)) & - (ETHER_INT_SRC_INTSBUS_MSK | - ETHER_INT_SRC_INTNRABT_MSK - |ETHER_INT_SRC_DMPARERR_MSK)) - { - /* - * Hardware errors, we can either ignore them and hope they go away - *or reset the device, I'll try the first for now to see if they happen - */ - printk("Hardware error\n"); - } -} - -static void ether00_setup_ethernet_address(struct net_device* dev) -{ - int tmp; - - dev->addr_len=6; - writew(0,ETHER_ARC_ADR(dev->base_addr)); - writel((dev->dev_addr[0]<<24) | - (dev->dev_addr[1]<<16) | - (dev->dev_addr[2]<<8) | - dev->dev_addr[3], - ETHER_ARC_DATA(dev->base_addr)); - - writew(4,ETHER_ARC_ADR(dev->base_addr)); - tmp=readl(ETHER_ARC_DATA(dev->base_addr)); - tmp&=0xffff; - tmp|=(dev->dev_addr[4]<<24) | (dev->dev_addr[5]<<16); - writel(tmp, ETHER_ARC_DATA(dev->base_addr)); - /* Enable this entry in the ARC */ - - writel(1,ETHER_ARC_ENA(dev->base_addr)); - - return; -} - - -static void ether00_reset(struct net_device *dev) -{ - /* reset the controller */ - writew(ETHER_MAC_CTL_RESET_MSK,ETHER_MAC_CTL(dev->base_addr)); - - /* - * Make sure we're not going to send anything - */ - - writew(ETHER_TX_CTL_TXHALT_MSK,ETHER_TX_CTL(dev->base_addr)); - - /* - * Make sure we're not going to receive anything - */ - writew(ETHER_RX_CTL_RXHALT_MSK,ETHER_RX_CTL(dev->base_addr)); - - /* - * Disable Interrupts for now, and set the burst size to 8 bytes - */ - - writel(ETHER_DMA_CTL_INTMASK_MSK | - ((8 << ETHER_DMA_CTL_DMBURST_OFST) & ETHER_DMA_CTL_DMBURST_MSK) - |(2<<ETHER_DMA_CTL_RXALIGN_OFST), - ETHER_DMA_CTL(dev->base_addr)); - - - /* - * Set TxThrsh - start transmitting a packet after 1514 - * bytes or when a packet is complete, whichever comes first - */ - writew(1514,ETHER_TXTHRSH(dev->base_addr)); - - /* - * Set TxPollCtr. Each cycle is - * 61.44 microseconds with a 33 MHz bus - */ - writew(1,ETHER_TXPOLLCTR(dev->base_addr)); - - /* - * Set Rx_Ctl - Turn off reception and let RxData turn it - * on later - */ - writew(ETHER_RX_CTL_RXHALT_MSK,ETHER_RX_CTL(dev->base_addr)); - -} - - -static void ether00_set_multicast(struct net_device* dev) -{ - int count=dev->mc_count; - - /* Set promiscuous mode if it's asked for. */ - - if (dev->flags&IFF_PROMISC){ - - writew( ETHER_ARC_CTL_COMPEN_MSK | - ETHER_ARC_CTL_BROADACC_MSK | - ETHER_ARC_CTL_GROUPACC_MSK | - ETHER_ARC_CTL_STATIONACC_MSK, - ETHER_ARC_CTL(dev->base_addr)); - return; - } - - /* - * Get all multicast packets if required, or if there are too - * many addresses to fit in hardware - */ - if (dev->flags & IFF_ALLMULTI){ - writew( ETHER_ARC_CTL_COMPEN_MSK | - ETHER_ARC_CTL_GROUPACC_MSK | - ETHER_ARC_CTL_BROADACC_MSK, - ETHER_ARC_CTL(dev->base_addr)); - return; - } - if (dev->mc_count > (ETHER_ARC_SIZE - 1)){ - - printk(KERN_WARNING "Too many multicast addresses for hardware to filter - receiving all multicast packets\n"); - writew( ETHER_ARC_CTL_COMPEN_MSK | - ETHER_ARC_CTL_GROUPACC_MSK | - ETHER_ARC_CTL_BROADACC_MSK, - ETHER_ARC_CTL(dev->base_addr)); - return; - } - - if(dev->mc_count){ - struct dev_mc_list *mc_list_ent=dev->mc_list; - unsigned int temp,i; - DEBUG(printk("mc_count=%d mc_list=%#x\n",dev-> mc_count, dev->mc_list)); - DEBUG(printk("mc addr=%02#x%02x%02x%02x%02x%02x\n", - mc_list_ent->dmi_addr[5], - mc_list_ent->dmi_addr[4], - mc_list_ent->dmi_addr[3], - mc_list_ent->dmi_addr[2], - mc_list_ent->dmi_addr[1], - mc_list_ent->dmi_addr[0]);) - - /* - * The first 6 bytes are the MAC address, so - * don't change them! - */ - writew(4,ETHER_ARC_ADR(dev->base_addr)); - temp=readl(ETHER_ARC_DATA(dev->base_addr)); - temp&=0xffff0000; - - /* Disable the current multicast stuff */ - writel(1,ETHER_ARC_ENA(dev->base_addr)); - - for(;;){ - temp|=mc_list_ent->dmi_addr[1] | - mc_list_ent->dmi_addr[0]<<8; - writel(temp,ETHER_ARC_DATA(dev->base_addr)); - - i=readl(ETHER_ARC_ADR(dev->base_addr)); - writew(i+4,ETHER_ARC_ADR(dev->base_addr)); - - temp=mc_list_ent->dmi_addr[5]| - mc_list_ent->dmi_addr[4]<<8 | - mc_list_ent->dmi_addr[3]<<16 | - mc_list_ent->dmi_addr[2]<<24; - writel(temp,ETHER_ARC_DATA(dev->base_addr)); - - count--; - if(!mc_list_ent->next || !count){ - break; - } - DEBUG(printk("mc_list_next=%#x\n",mc_list_ent->next);) - mc_list_ent=mc_list_ent->next; - - - i=readl(ETHER_ARC_ADR(dev->base_addr)); - writel(i+4,ETHER_ARC_ADR(dev->base_addr)); - - temp=mc_list_ent->dmi_addr[3]| - mc_list_ent->dmi_addr[2]<<8 | - mc_list_ent->dmi_addr[1]<<16 | - mc_list_ent->dmi_addr[0]<<24; - writel(temp,ETHER_ARC_DATA(dev->base_addr)); - - i=readl(ETHER_ARC_ADR(dev->base_addr)); - writel(i+4,ETHER_ARC_ADR(dev->base_addr)); - - temp=mc_list_ent->dmi_addr[4]<<16 | - mc_list_ent->dmi_addr[5]<<24; - - writel(temp,ETHER_ARC_DATA(dev->base_addr)); - - count--; - if(!mc_list_ent->next || !count){ - break; - } - mc_list_ent=mc_list_ent->next; - } - - - if(count) - printk(KERN_WARNING "Multicast list size error\n"); - - - writew( ETHER_ARC_CTL_BROADACC_MSK| - ETHER_ARC_CTL_COMPEN_MSK, - ETHER_ARC_CTL(dev->base_addr)); - - } - - /* enable the active ARC enties */ - writew((1<<(count+2))-1,ETHER_ARC_ENA(dev->base_addr)); -} - - -static int ether00_open(struct net_device* dev) -{ - int result,tmp; - struct net_priv* priv; - - if (!is_valid_ether_addr(dev->dev_addr)) - return -EINVAL; - - /* Install interrupt handlers */ - result=request_irq(dev->irq,ether00_int,0,"ether00",dev); - if(result) - goto open_err1; - - result=request_irq(2,ether00_phy_int,0,"ether00_phy",dev); - if(result) - goto open_err2; - - ether00_reset(dev); - result=ether00_mem_init(dev); - if(result) - goto open_err3; - - - ether00_setup_ethernet_address(dev); - - ether00_set_multicast(dev); - - result=ether00_write_phy(dev,PHY_CONTROL, PHY_CONTROL_ANEGEN_MSK | PHY_CONTROL_RANEG_MSK); - if(result) - goto open_err4; - result=ether00_write_phy(dev,PHY_IRQ_CONTROL, PHY_IRQ_CONTROL_LS_CHG_IE_MSK | - PHY_IRQ_CONTROL_ANEG_COMP_IE_MSK); - if(result) - goto open_err4; - - /* Start the device enable interrupts */ - writew(ETHER_RX_CTL_RXEN_MSK -// | ETHER_RX_CTL_STRIPCRC_MSK - | ETHER_RX_CTL_ENGOOD_MSK - | ETHER_RX_CTL_ENRXPAR_MSK| ETHER_RX_CTL_ENLONGERR_MSK - | ETHER_RX_CTL_ENOVER_MSK| ETHER_RX_CTL_ENCRCERR_MSK, - ETHER_RX_CTL(dev->base_addr)); - - writew(ETHER_TX_CTL_TXEN_MSK| - ETHER_TX_CTL_ENEXDEFER_MSK| - ETHER_TX_CTL_ENLCARR_MSK| - ETHER_TX_CTL_ENEXCOLL_MSK| - ETHER_TX_CTL_ENLATECOLL_MSK| - ETHER_TX_CTL_ENTXPAR_MSK| - ETHER_TX_CTL_ENCOMP_MSK, - ETHER_TX_CTL(dev->base_addr)); - - tmp=readl(ETHER_DMA_CTL(dev->base_addr)); - writel(tmp&~ETHER_DMA_CTL_INTMASK_MSK,ETHER_DMA_CTL(dev->base_addr)); - - return 0; - - open_err4: - ether00_reset(dev); - open_err3: - free_irq(2,dev); - open_err2: - free_irq(dev->irq,dev); - open_err1: - return result; - -} - - -static int ether00_tx(struct sk_buff* skb, struct net_device* dev) -{ - struct net_priv *priv=dev->priv; - struct tx_fda_ent *fda_ptr; - int i; - - - /* - * Find an empty slot in which to stick the frame - */ - fda_ptr=(struct tx_fda_ent*)__dma_va(readl(ETHER_TXFRMPTR(dev->base_addr))); - i=0; - while(i<TX_NUM_FDESC){ - if (fda_ptr->fd.FDStat||(fda_ptr->fd.FDCtl & FDCTL_COWNSFD_MSK)){ - fda_ptr =(struct tx_fda_ent*) __dma_va((struct tx_fda_ent*)fda_ptr->fd.FDNext); - } - else { - break; - } - i++; - } - - /* Write the skb data from the cache*/ - consistent_sync(skb->data,skb->len,PCI_DMA_TODEVICE); - fda_ptr->bd.BuffData=(char*)__pa(skb->data); - fda_ptr->bd.BuffLength=(unsigned short)skb->len; - /* Save the pointer to the skb for freeing later */ - fda_ptr->fd.FDSystem=(unsigned int)skb; - fda_ptr->fd.FDStat=0; - /* Pass ownership of the buffers to the controller */ - fda_ptr->fd.FDCtl=1; - fda_ptr->fd.FDCtl|=FDCTL_COWNSFD_MSK; - - /* If the next buffer in the list is full, stop the queue */ - fda_ptr=(struct tx_fda_ent*)__dma_va(fda_ptr->fd.FDNext); - if ((fda_ptr->fd.FDStat)||(fda_ptr->fd.FDCtl & FDCTL_COWNSFD_MSK)){ - netif_stop_queue(dev); - priv->queue_stopped=1; - } - - return 0; -} - -static struct net_device_stats *ether00_stats(struct net_device* dev) -{ - struct net_priv *priv=dev->priv; - return &priv->stats; -} - - -static int ether00_stop(struct net_device* dev) -{ - struct net_priv *priv=dev->priv; - int tmp; - - /* Stop/disable the device. */ - tmp=readw(ETHER_RX_CTL(dev->base_addr)); - tmp&=~(ETHER_RX_CTL_RXEN_MSK | ETHER_RX_CTL_ENGOOD_MSK); - tmp|=ETHER_RX_CTL_RXHALT_MSK; - writew(tmp,ETHER_RX_CTL(dev->base_addr)); - - tmp=readl(ETHER_TX_CTL(dev->base_addr)); - tmp&=~ETHER_TX_CTL_TXEN_MSK; - tmp|=ETHER_TX_CTL_TXHALT_MSK; - writel(tmp,ETHER_TX_CTL(dev->base_addr)); - - /* Free up system resources */ - free_irq(dev->irq,dev); - free_irq(2,dev); - iounmap(priv->dma_data); - - return 0; -} - - -static void ether00_get_ethernet_address(struct net_device* dev) -{ - struct mtd_info *mymtd=NULL; - int i; - size_t retlen; - - /* - * For the Epxa10 dev board (camelot), the ethernet MAC - * address is of the form 00:aa:aa:00:xx:xx where - * 00:aa:aa is the Altera vendor ID and xx:xx is the - * last 2 bytes of the board serial number, as programmed - * into the OTP area of the flash device on EBI1. If this - * isn't an expa10 dev board, or there's no mtd support to - * read the serial number from flash then we'll force the - * use to set their own mac address using ifconfig. - */ - -#ifdef CONFIG_ARCH_CAMELOT -#ifdef CONFIG_MTD - /* get the mtd_info structure for the first mtd device*/ - for(i=0;i<MAX_MTD_DEVICES;i++){ - mymtd=get_mtd_device(NULL,i); - if(!mymtd||!strcmp(mymtd->name,"EPXA10DB flash")) - break; - } - - if(!mymtd || !mymtd->read_user_prot_reg){ - printk(KERN_WARNING "%s: Failed to read MAC address from flash\n",dev->name); - }else{ - mymtd->read_user_prot_reg(mymtd,2,1,&retlen,&dev->dev_addr[5]); - mymtd->read_user_prot_reg(mymtd,3,1,&retlen,&dev->dev_addr[4]); - dev->dev_addr[3]=0; - dev->dev_addr[2]=vendor_id[1]; - dev->dev_addr[1]=vendor_id[0]; - dev->dev_addr[0]=0; - } -#else - printk(KERN_WARNING "%s: MTD support required to read MAC address from EPXA10 dev board\n", dev->name); -#endif -#endif - - if (!is_valid_ether_addr(dev->dev_addr)) - printk("%s: Invalid ethernet MAC address. Please set using " - "ifconfig\n", dev->name); - -} - -/* - * Keep a mapping of dev_info addresses -> port lines to use when - * removing ports dev==NULL indicates unused entry - */ - - -static struct net_device* dev_list[ETH_NR]; - -static int ether00_add_device(struct pldhs_dev_info* dev_info,void* dev_ps_data) -{ - struct net_device *dev; - struct net_priv *priv; - void *map_addr; - int result; - int i; - - i=0; - while(dev_list[i] && i < ETH_NR) - i++; - - if(i==ETH_NR){ - printk(KERN_WARNING "ether00: Maximum number of ports reached\n"); - return 0; - } - - - if (!request_mem_region(dev_info->base_addr, MAC_REG_SIZE, "ether00")) - return -EBUSY; - - dev = alloc_etherdev(sizeof(struct net_priv)); - if(!dev) { - result = -ENOMEM; - goto out_release; - } - priv = dev->priv; - - priv->tq_memupdate.routine=ether00_mem_update; - priv->tq_memupdate.data=(void*) dev; - - spin_lock_init(&priv->rx_lock); - - map_addr=ioremap_nocache(dev_info->base_addr,SZ_4K); - if(!map_addr){ - result = -ENOMEM; - out_kfree; - } - - dev->open=ether00_open; - dev->stop=ether00_stop; - dev->set_multicast_list=ether00_set_multicast; - dev->hard_start_xmit=ether00_tx; - dev->get_stats=ether00_stats; - - ether00_get_ethernet_address(dev); - - SET_MODULE_OWNER(dev); - - dev->base_addr=(unsigned int)map_addr; - dev->irq=dev_info->irq; - dev->features=NETIF_F_DYNALLOC | NETIF_F_HW_CSUM; - - result=register_netdev(dev); - if(result){ - printk("Ether00: Error %i registering driver\n",result); - goto out_unmap; - } - printk("registered ether00 device at %#x\n",dev_info->base_addr); - - dev_list[i]=dev; - - return result; - - out_unmap: - iounmap(map_addr); - out_kfree: - free_netdev(dev); - out_release: - release_mem_region(dev_info->base_addr, MAC_REG_SIZE); - return result; -} - - -static int ether00_remove_devices(void) -{ - int i; - - for(i=0;i<ETH_NR;i++){ - if(dev_list[i]){ - netif_device_detach(dev_list[i]); - unregister_netdev(dev_list[i]); - iounmap((void*)dev_list[i]->base_addr); - release_mem_region(dev_list[i]->base_addr, MAC_REG_SIZE); - free_netdev(dev_list[i]); - dev_list[i]=0; - } - } - return 0; -} - -static struct pld_hotswap_ops ether00_pldhs_ops={ - .name = ETHER00_NAME, - .add_device = ether00_add_device, - .remove_devices = ether00_remove_devices, -}; - - -static void __exit ether00_cleanup_module(void) -{ - int result; - result=ether00_remove_devices(); - if(result) - printk(KERN_WARNING "ether00: failed to remove all devices\n"); - - pldhs_unregister_driver(ETHER00_NAME); -} -module_exit(ether00_cleanup_module); - - -static int __init ether00_mod_init(void) -{ - printk("mod init\n"); - return pldhs_register_driver(ðer00_pldhs_ops); - -} - -module_init(ether00_mod_init); - diff --git a/drivers/net/arm/ether3.c b/drivers/net/arm/ether3.c index 1cc53abc3a3..f1d5b1027ff 100644 --- a/drivers/net/arm/ether3.c +++ b/drivers/net/arm/ether3.c @@ -69,7 +69,6 @@ #include <asm/system.h> #include <asm/ecard.h> #include <asm/io.h> -#include <asm/irq.h> static char version[] __initdata = "ether3 ethernet driver (c) 1995-2000 R.M.King v1.17\n"; diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c index 942a2819576..6a93b666eb7 100644 --- a/drivers/net/arm/etherh.c +++ b/drivers/net/arm/etherh.c @@ -50,7 +50,6 @@ #include <asm/system.h> #include <asm/ecard.h> #include <asm/io.h> -#include <asm/irq.h> #include "../8390.h" diff --git a/drivers/net/b44.c b/drivers/net/b44.c index c53848f787e..df9d6e80c4f 100644 --- a/drivers/net/b44.c +++ b/drivers/net/b44.c @@ -28,8 +28,8 @@ #define DRV_MODULE_NAME "b44" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "0.96" -#define DRV_MODULE_RELDATE "Nov 8, 2005" +#define DRV_MODULE_VERSION "0.97" +#define DRV_MODULE_RELDATE "Nov 30, 2005" #define B44_DEF_MSG_ENABLE \ (NETIF_MSG_DRV | \ @@ -1417,6 +1417,7 @@ static int b44_open(struct net_device *dev) add_timer(&bp->timer); b44_enable_ints(bp); + netif_start_queue(dev); out: return err; } @@ -1837,12 +1838,15 @@ static int b44_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { struct mii_ioctl_data *data = if_mii(ifr); struct b44 *bp = netdev_priv(dev); - int err; + int err = -EINVAL; + + if (!netif_running(dev)) + goto out; spin_lock_irq(&bp->lock); err = generic_mii_ioctl(&bp->mii_if, data, cmd, NULL); spin_unlock_irq(&bp->lock); - +out: return err; } @@ -2113,6 +2117,7 @@ static int b44_resume(struct pci_dev *pdev) add_timer(&bp->timer); b44_enable_ints(bp); + netif_wake_queue(dev); return 0; } @@ -2131,7 +2136,7 @@ static int __init b44_init(void) /* Setup paramaters for syncing RX/TX DMA descriptors */ dma_desc_align_mask = ~(dma_desc_align_size - 1); - dma_desc_sync_size = max(dma_desc_align_size, sizeof(struct dma_desc)); + dma_desc_sync_size = max_t(unsigned int, dma_desc_align_size, sizeof(struct dma_desc)); return pci_module_init(&b44_driver); } diff --git a/drivers/net/bonding/Makefile b/drivers/net/bonding/Makefile index cf50384b469..5cdae2bc055 100644 --- a/drivers/net/bonding/Makefile +++ b/drivers/net/bonding/Makefile @@ -4,5 +4,5 @@ obj-$(CONFIG_BONDING) += bonding.o -bonding-objs := bond_main.o bond_3ad.o bond_alb.o +bonding-objs := bond_main.o bond_3ad.o bond_alb.o bond_sysfs.o diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index d2f34d5a808..f3f5825469d 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -18,38 +18,6 @@ * The full GNU General Public License is included in this distribution in the * file called LICENSE. * - * - * Changes: - * - * 2003/05/01 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and - * Amir Noam <amir.noam at intel dot com> - * - Added support for lacp_rate module param. - * - * 2003/05/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Based on discussion on mailing list, changed locking scheme - * to use lock/unlock or lock_bh/unlock_bh appropriately instead - * of lock_irqsave/unlock_irqrestore. The new scheme helps exposing - * hidden bugs and solves system hangs that occurred due to the fact - * that holding lock_irqsave doesn't prevent softirqs from running. - * This also increases total throughput since interrupts are not - * blocked on each transmitted packets or monitor timeout. - * - * 2003/05/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Renamed bond_3ad_link_status_changed() to - * bond_3ad_handle_link_change() for compatibility with TLB. - * - * 2003/05/20 - Amir Noam <amir.noam at intel dot com> - * - Fix long fail over time when releasing last slave of an active - * aggregator - send LACPDU on unbind of slave to tell partner this - * port is no longer aggregatable. - * - * 2003/06/25 - Tsippy Mendelson <tsippy.mendelson at intel dot com> - * - Send LACPDU as highest priority packet to further fix the above - * problem on very high Tx traffic load where packets may get dropped - * by the slave. - * - * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Code cleanup and style changes */ //#define BONDING_DEBUG 1 @@ -1198,10 +1166,10 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port) // detect loopback situation if (!MAC_ADDRESS_COMPARE(&(lacpdu->actor_system), &(port->actor_system))) { // INFO_RECEIVED_LOOPBACK_FRAMES - printk(KERN_ERR DRV_NAME ": An illegal loopback occurred on adapter (%s)\n", - port->slave->dev->name); - printk(KERN_ERR "Check the configuration to verify that all Adapters " - "are connected to 802.3ad compliant switch ports\n"); + printk(KERN_ERR DRV_NAME ": %s: An illegal loopback occurred on " + "adapter (%s). Check the configuration to verify that all " + "Adapters are connected to 802.3ad compliant switch ports\n", + port->slave->dev->master->name, port->slave->dev->name); __release_rx_machine_lock(port); return; } @@ -1378,8 +1346,9 @@ static void ad_port_selection_logic(struct port *port) } } if (!curr_port) { // meaning: the port was related to an aggregator but was not on the aggregator port list - printk(KERN_WARNING DRV_NAME ": Warning: Port %d (on %s) was " + printk(KERN_WARNING DRV_NAME ": %s: Warning: Port %d (on %s) was " "related to aggregator %d but was not on its port list\n", + port->slave->dev->master->name, port->actor_port_number, port->slave->dev->name, port->aggregator->aggregator_identifier); } @@ -1450,7 +1419,8 @@ static void ad_port_selection_logic(struct port *port) dprintk("Port %d joined LAG %d(new LAG)\n", port->actor_port_number, port->aggregator->aggregator_identifier); } else { - printk(KERN_ERR DRV_NAME ": Port %d (on %s) did not find a suitable aggregator\n", + printk(KERN_ERR DRV_NAME ": %s: Port %d (on %s) did not find a suitable aggregator\n", + port->slave->dev->master->name, port->actor_port_number, port->slave->dev->name); } } @@ -1582,8 +1552,9 @@ static void ad_agg_selection_logic(struct aggregator *aggregator) // check if any partner replys if (best_aggregator->is_individual) { - printk(KERN_WARNING DRV_NAME ": Warning: No 802.3ad response from the link partner " - "for any adapters in the bond\n"); + printk(KERN_WARNING DRV_NAME ": %s: Warning: No 802.3ad response from " + "the link partner for any adapters in the bond\n", + best_aggregator->slave->dev->master->name); } // check if there are more than one aggregator @@ -1915,7 +1886,8 @@ int bond_3ad_bind_slave(struct slave *slave) struct aggregator *aggregator; if (bond == NULL) { - printk(KERN_ERR "The slave %s is not attached to its bond\n", slave->dev->name); + printk(KERN_ERR DRV_NAME ": %s: The slave %s is not attached to its bond\n", + slave->dev->master->name, slave->dev->name); return -1; } @@ -1990,7 +1962,9 @@ void bond_3ad_unbind_slave(struct slave *slave) // if slave is null, the whole port is not initialized if (!port->slave) { - printk(KERN_WARNING DRV_NAME ": Trying to unbind an uninitialized port on %s\n", slave->dev->name); + printk(KERN_WARNING DRV_NAME ": Warning: %s: Trying to " + "unbind an uninitialized port on %s\n", + slave->dev->master->name, slave->dev->name); return; } @@ -2021,7 +1995,8 @@ void bond_3ad_unbind_slave(struct slave *slave) dprintk("Some port(s) related to LAG %d - replaceing with LAG %d\n", aggregator->aggregator_identifier, new_aggregator->aggregator_identifier); if ((new_aggregator->lag_ports == port) && new_aggregator->is_active) { - printk(KERN_INFO DRV_NAME ": Removing an active aggregator\n"); + printk(KERN_INFO DRV_NAME ": %s: Removing an active aggregator\n", + aggregator->slave->dev->master->name); // select new active aggregator select_new_active_agg = 1; } @@ -2051,15 +2026,17 @@ void bond_3ad_unbind_slave(struct slave *slave) ad_agg_selection_logic(__get_first_agg(port)); } } else { - printk(KERN_WARNING DRV_NAME ": Warning: unbinding aggregator, " - "and could not find a new aggregator for its ports\n"); + printk(KERN_WARNING DRV_NAME ": %s: Warning: unbinding aggregator, " + "and could not find a new aggregator for its ports\n", + slave->dev->master->name); } } else { // in case that the only port related to this aggregator is the one we want to remove select_new_active_agg = aggregator->is_active; // clear the aggregator ad_clear_agg(aggregator); if (select_new_active_agg) { - printk(KERN_INFO "Removing an active aggregator\n"); + printk(KERN_INFO DRV_NAME ": %s: Removing an active aggregator\n", + slave->dev->master->name); // select new active aggregator ad_agg_selection_logic(__get_first_agg(port)); } @@ -2085,7 +2062,8 @@ void bond_3ad_unbind_slave(struct slave *slave) // clear the aggregator ad_clear_agg(temp_aggregator); if (select_new_active_agg) { - printk(KERN_INFO "Removing an active aggregator\n"); + printk(KERN_INFO DRV_NAME ": %s: Removing an active aggregator\n", + slave->dev->master->name); // select new active aggregator ad_agg_selection_logic(__get_first_agg(port)); } @@ -2131,7 +2109,8 @@ void bond_3ad_state_machine_handler(struct bonding *bond) // select the active aggregator for the bond if ((port = __get_first_port(bond))) { if (!port->slave) { - printk(KERN_WARNING DRV_NAME ": Warning: bond's first port is uninitialized\n"); + printk(KERN_WARNING DRV_NAME ": %s: Warning: bond's first port is " + "uninitialized\n", bond->dev->name); goto re_arm; } @@ -2143,7 +2122,8 @@ void bond_3ad_state_machine_handler(struct bonding *bond) // for each port run the state machines for (port = __get_first_port(bond); port; port = __get_next_port(port)) { if (!port->slave) { - printk(KERN_WARNING DRV_NAME ": Warning: Found an uninitialized port\n"); + printk(KERN_WARNING DRV_NAME ": %s: Warning: Found an uninitialized " + "port\n", bond->dev->name); goto re_arm; } @@ -2184,7 +2164,8 @@ static void bond_3ad_rx_indication(struct lacpdu *lacpdu, struct slave *slave, u port = &(SLAVE_AD_INFO(slave).port); if (!port->slave) { - printk(KERN_WARNING DRV_NAME ": Warning: port of slave %s is uninitialized\n", slave->dev->name); + printk(KERN_WARNING DRV_NAME ": %s: Warning: port of slave %s is " + "uninitialized\n", slave->dev->name, slave->dev->master->name); return; } @@ -2230,8 +2211,9 @@ void bond_3ad_adapter_speed_changed(struct slave *slave) // if slave is null, the whole port is not initialized if (!port->slave) { - printk(KERN_WARNING DRV_NAME ": Warning: speed changed for uninitialized port on %s\n", - slave->dev->name); + printk(KERN_WARNING DRV_NAME ": Warning: %s: speed " + "changed for uninitialized port on %s\n", + slave->dev->master->name, slave->dev->name); return; } @@ -2257,8 +2239,9 @@ void bond_3ad_adapter_duplex_changed(struct slave *slave) // if slave is null, the whole port is not initialized if (!port->slave) { - printk(KERN_WARNING DRV_NAME ": Warning: duplex changed for uninitialized port on %s\n", - slave->dev->name); + printk(KERN_WARNING DRV_NAME ": %s: Warning: duplex changed " + "for uninitialized port on %s\n", + slave->dev->master->name, slave->dev->name); return; } @@ -2285,8 +2268,9 @@ void bond_3ad_handle_link_change(struct slave *slave, char link) // if slave is null, the whole port is not initialized if (!port->slave) { - printk(KERN_WARNING DRV_NAME ": Warning: link status changed for uninitialized port on %s\n", - slave->dev->name); + printk(KERN_WARNING DRV_NAME ": Warning: %s: link status changed for " + "uninitialized port on %s\n", + slave->dev->master->name, slave->dev->name); return; } @@ -2363,7 +2347,8 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev) } if (bond_3ad_get_active_agg_info(bond, &ad_info)) { - printk(KERN_DEBUG "ERROR: bond_3ad_get_active_agg_info failed\n"); + printk(KERN_DEBUG DRV_NAME ": %s: Error: " + "bond_3ad_get_active_agg_info failed\n", dev->name); goto out; } @@ -2372,7 +2357,9 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev) if (slaves_in_agg == 0) { /*the aggregator is empty*/ - printk(KERN_DEBUG "ERROR: active aggregator is empty\n"); + printk(KERN_DEBUG DRV_NAME ": %s: Error: active " + "aggregator is empty\n", + dev->name); goto out; } @@ -2390,7 +2377,8 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev) } if (slave_agg_no >= 0) { - printk(KERN_ERR DRV_NAME ": Error: Couldn't find a slave to tx on for aggregator ID %d\n", agg_id); + printk(KERN_ERR DRV_NAME ": %s: Error: Couldn't find a slave to tx on " + "for aggregator ID %d\n", dev->name, agg_id); goto out; } diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h index 673a30af566..5ee2cef5b03 100644 --- a/drivers/net/bonding/bond_3ad.h +++ b/drivers/net/bonding/bond_3ad.h @@ -18,19 +18,6 @@ * The full GNU General Public License is included in this distribution in the * file called LICENSE. * - * - * Changes: - * - * 2003/05/01 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and - * Amir Noam <amir.noam at intel dot com> - * - Added support for lacp_rate module param. - * - * 2003/05/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Renamed bond_3ad_link_status_changed() to - * bond_3ad_handle_link_change() for compatibility with TLB. - * - * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Code cleanup and style changes */ #ifndef __BOND_3AD_H__ diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index f8fce396119..f2a63186ae0 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -18,25 +18,6 @@ * The full GNU General Public License is included in this distribution in the * file called LICENSE. * - * - * Changes: - * - * 2003/06/25 - Shmulik Hen <shmulik.hen at intel dot com> - * - Fixed signed/unsigned calculation errors that caused load sharing - * to collapse to one slave under very heavy UDP Tx stress. - * - * 2003/08/06 - Amir Noam <amir.noam at intel dot com> - * - Add support for setting bond's MAC address with special - * handling required for ALB/TLB. - * - * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Code cleanup and style changes - * - * 2003/12/30 - Amir Noam <amir.noam at intel dot com> - * - Fixed: Cannot remove and re-enslave the original active slave. - * - * 2004/01/14 - Shmulik Hen <shmulik.hen at intel dot com> - * - Add capability to tag self generated packets in ALB/TLB modes. */ //#define BONDING_DEBUG 1 @@ -188,9 +169,9 @@ static void tlb_clear_slave(struct bonding *bond, struct slave *slave, int save_ index = next_index; } - _unlock_tx_hashtbl(bond); - tlb_init_slave(slave); + + _unlock_tx_hashtbl(bond); } /* Must be called before starting the monitor timer */ @@ -198,20 +179,21 @@ static int tlb_initialize(struct bonding *bond) { struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond)); int size = TLB_HASH_TABLE_SIZE * sizeof(struct tlb_client_info); + struct tlb_client_info *new_hashtbl; int i; spin_lock_init(&(bond_info->tx_hashtbl_lock)); - _lock_tx_hashtbl(bond); - - bond_info->tx_hashtbl = kmalloc(size, GFP_KERNEL); - if (!bond_info->tx_hashtbl) { + new_hashtbl = kmalloc(size, GFP_KERNEL); + if (!new_hashtbl) { printk(KERN_ERR DRV_NAME - ": Error: %s: Failed to allocate TLB hash table\n", + ": %s: Error: Failed to allocate TLB hash table\n", bond->dev->name); - _unlock_tx_hashtbl(bond); return -1; } + _lock_tx_hashtbl(bond); + + bond_info->tx_hashtbl = new_hashtbl; memset(bond_info->tx_hashtbl, 0, size); @@ -513,7 +495,8 @@ static void rlb_update_client(struct rlb_client_info *client_info) client_info->mac_dst); if (!skb) { printk(KERN_ERR DRV_NAME - ": Error: failed to create an ARP packet\n"); + ": %s: Error: failed to create an ARP packet\n", + client_info->slave->dev->master->name); continue; } @@ -523,7 +506,8 @@ static void rlb_update_client(struct rlb_client_info *client_info) skb = vlan_put_tag(skb, client_info->vlan_id); if (!skb) { printk(KERN_ERR DRV_NAME - ": Error: failed to insert VLAN tag\n"); + ": %s: Error: failed to insert VLAN tag\n", + client_info->slave->dev->master->name); continue; } } @@ -606,8 +590,9 @@ static void rlb_req_update_subnet_clients(struct bonding *bond, u32 src_ip) if (!client_info->slave) { printk(KERN_ERR DRV_NAME - ": Error: found a client with no channel in " - "the client's hash table\n"); + ": %s: Error: found a client with no channel in " + "the client's hash table\n", + bond->dev->name); continue; } /*update all clients using this src_ip, that are not assigned @@ -797,21 +782,22 @@ static int rlb_initialize(struct bonding *bond) { struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond)); struct packet_type *pk_type = &(BOND_ALB_INFO(bond).rlb_pkt_type); + struct rlb_client_info *new_hashtbl; int size = RLB_HASH_TABLE_SIZE * sizeof(struct rlb_client_info); int i; spin_lock_init(&(bond_info->rx_hashtbl_lock)); - _lock_rx_hashtbl(bond); - - bond_info->rx_hashtbl = kmalloc(size, GFP_KERNEL); - if (!bond_info->rx_hashtbl) { + new_hashtbl = kmalloc(size, GFP_KERNEL); + if (!new_hashtbl) { printk(KERN_ERR DRV_NAME - ": Error: %s: Failed to allocate RLB hash table\n", + ": %s: Error: Failed to allocate RLB hash table\n", bond->dev->name); - _unlock_rx_hashtbl(bond); return -1; } + _lock_rx_hashtbl(bond); + + bond_info->rx_hashtbl = new_hashtbl; bond_info->rx_hashtbl_head = RLB_NULL_INDEX; @@ -927,7 +913,8 @@ static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[]) skb = vlan_put_tag(skb, vlan->vlan_id); if (!skb) { printk(KERN_ERR DRV_NAME - ": Error: failed to insert VLAN tag\n"); + ": %s: Error: failed to insert VLAN tag\n", + bond->dev->name); continue; } } @@ -956,11 +943,11 @@ static int alb_set_slave_mac_addr(struct slave *slave, u8 addr[], int hw) s_addr.sa_family = dev->type; if (dev_set_mac_address(dev, &s_addr)) { printk(KERN_ERR DRV_NAME - ": Error: dev_set_mac_address of dev %s failed! ALB " + ": %s: Error: dev_set_mac_address of dev %s failed! ALB " "mode requires that the base driver support setting " "the hw address also when the network device's " "interface is open\n", - dev->name); + dev->master->name, dev->name); return -EOPNOTSUPP; } return 0; @@ -1153,16 +1140,16 @@ static int alb_handle_addr_collision_on_attach(struct bonding *bond, struct slav bond->alb_info.rlb_enabled); printk(KERN_WARNING DRV_NAME - ": Warning: the hw address of slave %s is in use by " + ": %s: Warning: the hw address of slave %s is in use by " "the bond; giving it the hw address of %s\n", - slave->dev->name, free_mac_slave->dev->name); + bond->dev->name, slave->dev->name, free_mac_slave->dev->name); } else if (has_bond_addr) { printk(KERN_ERR DRV_NAME - ": Error: the hw address of slave %s is in use by the " + ": %s: Error: the hw address of slave %s is in use by the " "bond; couldn't find a slave with a free hw address to " "give it (this should not have happened)\n", - slave->dev->name); + bond->dev->name, slave->dev->name); return -EFAULT; } @@ -1250,6 +1237,8 @@ int bond_alb_initialize(struct bonding *bond, int rlb_enabled) tlb_deinitialize(bond); return res; } + } else { + bond->alb_info.rlb_enabled = 0; } return 0; @@ -1409,7 +1398,7 @@ void bond_alb_monitor(struct bonding *bond) read_lock(&bond->curr_slave_lock); bond_for_each_slave(bond, slave, i) { - alb_send_learning_packets(slave,slave->dev->dev_addr); + alb_send_learning_packets(slave, slave->dev->dev_addr); } read_unlock(&bond->curr_slave_lock); diff --git a/drivers/net/bonding/bond_alb.h b/drivers/net/bonding/bond_alb.h index e4091cd8d65..28f2a2fd1b5 100644 --- a/drivers/net/bonding/bond_alb.h +++ b/drivers/net/bonding/bond_alb.h @@ -18,15 +18,6 @@ * The full GNU General Public License is included in this distribution in the * file called LICENSE. * - * - * Changes: - * - * 2003/08/06 - Amir Noam <amir.noam at intel dot com> - * - Add support for setting bond's MAC address with special - * handling required for ALB/TLB. - * - * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Code cleanup and style changes */ #ifndef __BOND_ALB_H__ diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 94cec3cf2a1..2582d98ef5c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -29,466 +29,6 @@ * b: if a hw mac address already is there, eth0's hw mac address * will then be set from bond0. * - * v0.1 - first working version. - * v0.2 - changed stats to be calculated by summing slaves stats. - * - * Changes: - * Arnaldo Carvalho de Melo <acme@conectiva.com.br> - * - fix leaks on failure at bond_init - * - * 2000/09/30 - Willy Tarreau <willy at meta-x.org> - * - added trivial code to release a slave device. - * - fixed security bug (CAP_NET_ADMIN not checked) - * - implemented MII link monitoring to disable dead links : - * All MII capable slaves are checked every <miimon> milliseconds - * (100 ms seems good). This value can be changed by passing it to - * insmod. A value of zero disables the monitoring (default). - * - fixed an infinite loop in bond_xmit_roundrobin() when there's no - * good slave. - * - made the code hopefully SMP safe - * - * 2000/10/03 - Willy Tarreau <willy at meta-x.org> - * - optimized slave lists based on relevant suggestions from Thomas Davis - * - implemented active-backup method to obtain HA with two switches: - * stay as long as possible on the same active interface, while we - * also monitor the backup one (MII link status) because we want to know - * if we are able to switch at any time. ( pass "mode=1" to insmod ) - * - lots of stress testings because we need it to be more robust than the - * wires ! :-> - * - * 2000/10/09 - Willy Tarreau <willy at meta-x.org> - * - added up and down delays after link state change. - * - optimized the slaves chaining so that when we run forward, we never - * repass through the bond itself, but we can find it by searching - * backwards. Renders the deletion more difficult, but accelerates the - * scan. - * - smarter enslaving and releasing. - * - finer and more robust SMP locking - * - * 2000/10/17 - Willy Tarreau <willy at meta-x.org> - * - fixed two potential SMP race conditions - * - * 2000/10/18 - Willy Tarreau <willy at meta-x.org> - * - small fixes to the monitoring FSM in case of zero delays - * 2000/11/01 - Willy Tarreau <willy at meta-x.org> - * - fixed first slave not automatically used in trunk mode. - * 2000/11/10 : spelling of "EtherChannel" corrected. - * 2000/11/13 : fixed a race condition in case of concurrent accesses to ioctl(). - * 2000/12/16 : fixed improper usage of rtnl_exlock_nowait(). - * - * 2001/1/3 - Chad N. Tindel <ctindel at ieee dot org> - * - The bonding driver now simulates MII status monitoring, just like - * a normal network device. It will show that the link is down iff - * every slave in the bond shows that their links are down. If at least - * one slave is up, the bond's MII status will appear as up. - * - * 2001/2/7 - Chad N. Tindel <ctindel at ieee dot org> - * - Applications can now query the bond from user space to get - * information which may be useful. They do this by calling - * the BOND_INFO_QUERY ioctl. Once the app knows how many slaves - * are in the bond, it can call the BOND_SLAVE_INFO_QUERY ioctl to - * get slave specific information (# link failures, etc). See - * <linux/if_bonding.h> for more details. The structs of interest - * are ifbond and ifslave. - * - * 2001/4/5 - Chad N. Tindel <ctindel at ieee dot org> - * - Ported to 2.4 Kernel - * - * 2001/5/2 - Jeffrey E. Mast <jeff at mastfamily dot com> - * - When a device is detached from a bond, the slave device is no longer - * left thinking that is has a master. - * - * 2001/5/16 - Jeffrey E. Mast <jeff at mastfamily dot com> - * - memset did not appropriately initialized the bond rw_locks. Used - * rwlock_init to initialize to unlocked state to prevent deadlock when - * first attempting a lock - * - Called SET_MODULE_OWNER for bond device - * - * 2001/5/17 - Tim Anderson <tsa at mvista.com> - * - 2 paths for releasing for slave release; 1 through ioctl - * and 2) through close. Both paths need to release the same way. - * - the free slave in bond release is changing slave status before - * the free. The netdev_set_master() is intended to change slave state - * so it should not be done as part of the release process. - * - Simple rule for slave state at release: only the active in A/B and - * only one in the trunked case. - * - * 2001/6/01 - Tim Anderson <tsa at mvista.com> - * - Now call dev_close when releasing a slave so it doesn't screw up - * out routing table. - * - * 2001/6/01 - Chad N. Tindel <ctindel at ieee dot org> - * - Added /proc support for getting bond and slave information. - * Information is in /proc/net/<bond device>/info. - * - Changed the locking when calling bond_close to prevent deadlock. - * - * 2001/8/05 - Janice Girouard <girouard at us.ibm.com> - * - correct problem where refcnt of slave is not incremented in bond_ioctl - * so the system hangs when halting. - * - correct locking problem when unable to malloc in bond_enslave. - * - adding bond_xmit_xor logic. - * - adding multiple bond device support. - * - * 2001/8/13 - Erik Habbinga <erik_habbinga at hp dot com> - * - correct locking problem with rtnl_exlock_nowait - * - * 2001/8/23 - Janice Girouard <girouard at us.ibm.com> - * - bzero initial dev_bonds, to correct oops - * - convert SIOCDEVPRIVATE to new MII ioctl calls - * - * 2001/9/13 - Takao Indoh <indou dot takao at jp dot fujitsu dot com> - * - Add the BOND_CHANGE_ACTIVE ioctl implementation - * - * 2001/9/14 - Mark Huth <mhuth at mvista dot com> - * - Change MII_LINK_READY to not check for end of auto-negotiation, - * but only for an up link. - * - * 2001/9/20 - Chad N. Tindel <ctindel at ieee dot org> - * - Add the device field to bonding_t. Previously the net_device - * corresponding to a bond wasn't available from the bonding_t - * structure. - * - * 2001/9/25 - Janice Girouard <girouard at us.ibm.com> - * - add arp_monitor for active backup mode - * - * 2001/10/23 - Takao Indoh <indou dot takao at jp dot fujitsu dot com> - * - Various memory leak fixes - * - * 2001/11/5 - Mark Huth <mark dot huth at mvista dot com> - * - Don't take rtnl lock in bond_mii_monitor as it deadlocks under - * certain hotswap conditions. - * Note: this same change may be required in bond_arp_monitor ??? - * - Remove possibility of calling bond_sethwaddr with NULL slave_dev ptr - * - Handle hot swap ethernet interface deregistration events to remove - * kernel oops following hot swap of enslaved interface - * - * 2002/1/2 - Chad N. Tindel <ctindel at ieee dot org> - * - Restore original slave flags at release time. - * - * 2002/02/18 - Erik Habbinga <erik_habbinga at hp dot com> - * - bond_release(): calling kfree on our_slave after call to - * bond_restore_slave_flags, not before - * - bond_enslave(): saving slave flags into original_flags before - * call to netdev_set_master, so the IFF_SLAVE flag doesn't end - * up in original_flags - * - * 2002/04/05 - Mark Smith <mark.smith at comdev dot cc> and - * Steve Mead <steve.mead at comdev dot cc> - * - Port Gleb Natapov's multicast support patchs from 2.4.12 - * to 2.4.18 adding support for multicast. - * - * 2002/06/10 - Tony Cureington <tony.cureington * hp_com> - * - corrected uninitialized pointer (ifr.ifr_data) in bond_check_dev_link; - * actually changed function to use MIIPHY, then MIIREG, and finally - * ETHTOOL to determine the link status - * - fixed bad ifr_data pointer assignments in bond_ioctl - * - corrected mode 1 being reported as active-backup in bond_get_info; - * also added text to distinguish type of load balancing (rr or xor) - * - change arp_ip_target module param from "1-12s" (array of 12 ptrs) - * to "s" (a single ptr) - * - * 2002/08/30 - Jay Vosburgh <fubar at us dot ibm dot com> - * - Removed acquisition of xmit_lock in set_multicast_list; caused - * deadlock on SMP (lock is held by caller). - * - Revamped SIOCGMIIPHY, SIOCGMIIREG portion of bond_check_dev_link(). - * - * 2002/09/18 - Jay Vosburgh <fubar at us dot ibm dot com> - * - Fixed up bond_check_dev_link() (and callers): removed some magic - * numbers, banished local MII_ defines, wrapped ioctl calls to - * prevent EFAULT errors - * - * 2002/9/30 - Jay Vosburgh <fubar at us dot ibm dot com> - * - make sure the ip target matches the arp_target before saving the - * hw address. - * - * 2002/9/30 - Dan Eisner <eisner at 2robots dot com> - * - make sure my_ip is set before taking down the link, since - * not all switches respond if the source ip is not set. - * - * 2002/10/8 - Janice Girouard <girouard at us dot ibm dot com> - * - read in the local ip address when enslaving a device - * - add primary support - * - make sure 2*arp_interval has passed when a new device - * is brought on-line before taking it down. - * - * 2002/09/11 - Philippe De Muyter <phdm at macqel dot be> - * - Added bond_xmit_broadcast logic. - * - Added bond_mode() support function. - * - * 2002/10/26 - Laurent Deniel <laurent.deniel at free.fr> - * - allow to register multicast addresses only on active slave - * (useful in active-backup mode) - * - add multicast module parameter - * - fix deletion of multicast groups after unloading module - * - * 2002/11/06 - Kameshwara Rayaprolu <kameshwara.rao * wipro_com> - * - Changes to prevent panic from closing the device twice; if we close - * the device in bond_release, we must set the original_flags to down - * so it won't be closed again by the network layer. - * - * 2002/11/07 - Tony Cureington <tony.cureington * hp_com> - * - Fix arp_target_hw_addr memory leak - * - Created activebackup_arp_monitor function to handle arp monitoring - * in active backup mode - the bond_arp_monitor had several problems... - * such as allowing slaves to tx arps sequentially without any delay - * for a response - * - Renamed bond_arp_monitor to loadbalance_arp_monitor and re-wrote - * this function to just handle arp monitoring in load-balancing mode; - * it is a lot more compact now - * - Changes to ensure one and only one slave transmits in active-backup - * mode - * - Robustesize parameters; warn users about bad combinations of - * parameters; also if miimon is specified and a network driver does - * not support MII or ETHTOOL, inform the user of this - * - Changes to support link_failure_count when in arp monitoring mode - * - Fix up/down delay reported in /proc - * - Added version; log version; make version available from "modinfo -d" - * - Fixed problem in bond_check_dev_link - if the first IOCTL (SIOCGMIIPH) - * failed, the ETHTOOL ioctl never got a chance - * - * 2002/11/16 - Laurent Deniel <laurent.deniel at free.fr> - * - fix multicast handling in activebackup_arp_monitor - * - remove one unnecessary and confusing curr_active_slave == slave test - * in activebackup_arp_monitor - * - * 2002/11/17 - Laurent Deniel <laurent.deniel at free.fr> - * - fix bond_slave_info_query when slave_id = num_slaves - * - * 2002/11/19 - Janice Girouard <girouard at us dot ibm dot com> - * - correct ifr_data reference. Update ifr_data reference - * to mii_ioctl_data struct values to avoid confusion. - * - * 2002/11/22 - Bert Barbe <bert.barbe at oracle dot com> - * - Add support for multiple arp_ip_target - * - * 2002/12/13 - Jay Vosburgh <fubar at us dot ibm dot com> - * - Changed to allow text strings for mode and multicast, e.g., - * insmod bonding mode=active-backup. The numbers still work. - * One change: an invalid choice will cause module load failure, - * rather than the previous behavior of just picking one. - * - Minor cleanups; got rid of dup ctype stuff, atoi function - * - * 2003/02/07 - Jay Vosburgh <fubar at us dot ibm dot com> - * - Added use_carrier module parameter that causes miimon to - * use netif_carrier_ok() test instead of MII/ETHTOOL ioctls. - * - Minor cleanups; consolidated ioctl calls to one function. - * - * 2003/02/07 - Tony Cureington <tony.cureington * hp_com> - * - Fix bond_mii_monitor() logic error that could result in - * bonding round-robin mode ignoring links after failover/recovery - * - * 2003/03/17 - Jay Vosburgh <fubar at us dot ibm dot com> - * - kmalloc fix (GFP_KERNEL to GFP_ATOMIC) reported by - * Shmulik dot Hen at intel.com. - * - Based on discussion on mailing list, changed use of - * update_slave_cnt(), created wrapper functions for adding/removing - * slaves, changed bond_xmit_xor() to check slave_cnt instead of - * checking slave and slave->dev (which only worked by accident). - * - Misc code cleanup: get arp_send() prototype from header file, - * add max_bonds to bonding.txt. - * - * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and - * Shmulik Hen <shmulik.hen at intel dot com> - * - Make sure only bond_attach_slave() and bond_detach_slave() can - * manipulate the slave list, including slave_cnt, even when in - * bond_release_all(). - * - Fixed hang in bond_release() with traffic running: - * netdev_set_master() must not be called from within the bond lock. - * - * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and - * Shmulik Hen <shmulik.hen at intel dot com> - * - Fixed hang in bond_enslave() with traffic running: - * netdev_set_master() must not be called from within the bond lock. - * - * 2003/03/18 - Amir Noam <amir.noam at intel dot com> - * - Added support for getting slave's speed and duplex via ethtool. - * Needed for 802.3ad and other future modes. - * - * 2003/03/18 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and - * Shmulik Hen <shmulik.hen at intel dot com> - * - Enable support of modes that need to use the unique mac address of - * each slave. - * * bond_enslave(): Moved setting the slave's mac address, and - * openning it, from the application to the driver. This breaks - * backward comaptibility with old versions of ifenslave that open - * the slave before enalsving it !!!. - * * bond_release(): The driver also takes care of closing the slave - * and restoring its original mac address. - * - Removed the code that restores all base driver's flags. - * Flags are automatically restored once all undo stages are done - * properly. - * - Block possibility of enslaving before the master is up. This - * prevents putting the system in an unstable state. - * - * 2003/03/18 - Amir Noam <amir.noam at intel dot com>, - * Tsippy Mendelson <tsippy.mendelson at intel dot com> and - * Shmulik Hen <shmulik.hen at intel dot com> - * - Added support for IEEE 802.3ad Dynamic link aggregation mode. - * - * 2003/05/01 - Amir Noam <amir.noam at intel dot com> - * - Added ABI version control to restore compatibility between - * new/old ifenslave and new/old bonding. - * - * 2003/05/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Fixed bug in bond_release_all(): save old value of curr_active_slave - * before setting it to NULL. - * - Changed driver versioning scheme to include version number instead - * of release date (that is already in another field). There are 3 - * fields X.Y.Z where: - * X - Major version - big behavior changes - * Y - Minor version - addition of features - * Z - Extra version - minor changes and bug fixes - * The current version is 1.0.0 as a base line. - * - * 2003/05/01 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and - * Amir Noam <amir.noam at intel dot com> - * - Added support for lacp_rate module param. - * - Code beautification and style changes (mainly in comments). - * new version - 1.0.1 - * - * 2003/05/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Based on discussion on mailing list, changed locking scheme - * to use lock/unlock or lock_bh/unlock_bh appropriately instead - * of lock_irqsave/unlock_irqrestore. The new scheme helps exposing - * hidden bugs and solves system hangs that occurred due to the fact - * that holding lock_irqsave doesn't prevent softirqs from running. - * This also increases total throughput since interrupts are not - * blocked on each transmitted packets or monitor timeout. - * new version - 2.0.0 - * - * 2003/05/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Added support for Transmit load balancing mode. - * - Concentrate all assignments of curr_active_slave to a single point - * so specific modes can take actions when the primary adapter is - * changed. - * - Take the updelay parameter into consideration during bond_enslave - * since some adapters loose their link during setting the device. - * - Renamed bond_3ad_link_status_changed() to - * bond_3ad_handle_link_change() for compatibility with TLB. - * new version - 2.1.0 - * - * 2003/05/01 - Tsippy Mendelson <tsippy.mendelson at intel dot com> - * - Added support for Adaptive load balancing mode which is - * equivalent to Transmit load balancing + Receive load balancing. - * new version - 2.2.0 - * - * 2003/05/15 - Jay Vosburgh <fubar at us dot ibm dot com> - * - Applied fix to activebackup_arp_monitor posted to bonding-devel - * by Tony Cureington <tony.cureington * hp_com>. Fixes ARP - * monitor endless failover bug. Version to 2.2.10 - * - * 2003/05/20 - Amir Noam <amir.noam at intel dot com> - * - Fixed bug in ABI version control - Don't commit to a specific - * ABI version if receiving unsupported ioctl commands. - * - * 2003/05/22 - Jay Vosburgh <fubar at us dot ibm dot com> - * - Fix ifenslave -c causing bond to loose existing routes; - * added bond_set_mac_address() that doesn't require the - * bond to be down. - * - In conjunction with fix for ifenslave -c, in - * bond_change_active(), changing to the already active slave - * is no longer an error (it successfully does nothing). - * - * 2003/06/30 - Amir Noam <amir.noam at intel dot com> - * - Fixed bond_change_active() for ALB/TLB modes. - * Version to 2.2.14. - * - * 2003/07/29 - Amir Noam <amir.noam at intel dot com> - * - Fixed ARP monitoring bug. - * Version to 2.2.15. - * - * 2003/07/31 - Willy Tarreau <willy at ods dot org> - * - Fixed kernel panic when using ARP monitoring without - * setting bond's IP address. - * Version to 2.2.16. - * - * 2003/08/06 - Amir Noam <amir.noam at intel dot com> - * - Back port from 2.6: use alloc_netdev(); fix /proc handling; - * made stats a part of bond struct so no need to allocate - * and free it separately; use standard list operations instead - * of pre-allocated array of bonds. - * Version to 2.3.0. - * - * 2003/08/07 - Jay Vosburgh <fubar at us dot ibm dot com>, - * Amir Noam <amir.noam at intel dot com> and - * Shmulik Hen <shmulik.hen at intel dot com> - * - Propagating master's settings: Distinguish between modes that - * use a primary slave from those that don't, and propagate settings - * accordingly; Consolidate change_active opeartions and add - * reselect_active and find_best opeartions; Decouple promiscuous - * handling from the multicast mode setting; Add support for changing - * HW address and MTU with proper unwind; Consolidate procfs code, - * add CHANGENAME handler; Enhance netdev notification handling. - * Version to 2.4.0. - * - * 2003/09/15 - Stephen Hemminger <shemminger at osdl dot org>, - * Amir Noam <amir.noam at intel dot com> - * - Convert /proc to seq_file interface. - * Change /proc/net/bondX/info to /proc/net/bonding/bondX. - * Set version to 2.4.1. - * - * 2003/11/20 - Amir Noam <amir.noam at intel dot com> - * - Fix /proc creation/destruction. - * - * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Massive cleanup - Set version to 2.5.0 - * Code changes: - * o Consolidate format of prints and debug prints. - * o Remove bonding_t/slave_t typedefs and consolidate all casts. - * o Remove dead code and unnecessary checks. - * o Consolidate starting/stopping timers. - * o Consolidate handling of primary module param throughout the code. - * o Removed multicast module param support - all settings are done - * according to mode. - * o Slave list iteration - bond is no longer part of the list, - * added cyclic list iteration macros. - * o Consolidate error handling in all xmit functions. - * Style changes: - * o Consolidate function naming and declarations. - * o Consolidate function params and local variables names. - * o Consolidate return values. - * o Consolidate curly braces. - * o Consolidate conditionals format. - * o Change struct member names and types. - * o Chomp trailing spaces, remove empty lines, fix indentations. - * o Re-organize code according to context. - * - * 2003/12/30 - Amir Noam <amir.noam at intel dot com> - * - Fixed: Cannot remove and re-enslave the original active slave. - * - Fixed: Releasing the original active slave causes mac address - * duplication. - * - Add support for slaves that use ethtool_ops. - * Set version to 2.5.3. - * - * 2004/01/05 - Amir Noam <amir.noam at intel dot com> - * - Save bonding parameters per bond instead of using the global values. - * Set version to 2.5.4. - * - * 2004/01/14 - Shmulik Hen <shmulik.hen at intel dot com> - * - Enhance VLAN support: - * * Add support for VLAN hardware acceleration capable slaves. - * * Add capability to tag self generated packets in ALB/TLB modes. - * Set version to 2.6.0. - * 2004/10/29 - Mitch Williams <mitch.a.williams at intel dot com> - * - Fixed bug when unloading module while using 802.3ad. If - * spinlock debugging is turned on, this causes a stack dump. - * Solution is to move call to dev_remove_pack outside of the - * spinlock. - * Set version to 2.6.1. - * 2005/06/05 - Jay Vosburgh <fubar@us.ibm.com> - * - Support for generating gratuitous ARPs in active-backup mode. - * Includes support for VLAN tagging all bonding-generated ARPs - * as needed. Set version to 2.6.2. - * 2005/06/08 - Jason Gabler <jygabler at lbl dot gov> - * - alternate hashing policy support for mode 2 - * * Added kernel parameter "xmit_hash_policy" to allow the selection - * of different hashing policies for mode 2. The original mode 2 - * policy is the default, now found in xmit_hash_policy_layer2(). - * * Added xmit_hash_policy_layer34() - * - Modified by Jay Vosburgh <fubar@us.ibm.com> to also support mode 4. - * Set version to 2.6.3. - * 2005/09/26 - Jay Vosburgh <fubar@us.ibm.com> - * - Removed backwards compatibility for old ifenslaves. Version 2.6.4. */ //#define BONDING_DEBUG 1 @@ -557,6 +97,7 @@ static char *lacp_rate = NULL; static char *xmit_hash_policy = NULL; static int arp_interval = BOND_LINK_ARP_INTERV; static char *arp_ip_target[BOND_MAX_ARP_TARGETS] = { NULL, }; +struct bond_params bonding_defaults; module_param(max_bonds, int, 0); MODULE_PARM_DESC(max_bonds, "Max number of bonded devices"); @@ -565,17 +106,24 @@ MODULE_PARM_DESC(miimon, "Link check interval in milliseconds"); module_param(updelay, int, 0); MODULE_PARM_DESC(updelay, "Delay before considering link up, in milliseconds"); module_param(downdelay, int, 0); -MODULE_PARM_DESC(downdelay, "Delay before considering link down, in milliseconds"); +MODULE_PARM_DESC(downdelay, "Delay before considering link down, " + "in milliseconds"); module_param(use_carrier, int, 0); -MODULE_PARM_DESC(use_carrier, "Use netif_carrier_ok (vs MII ioctls) in miimon; 0 for off, 1 for on (default)"); +MODULE_PARM_DESC(use_carrier, "Use netif_carrier_ok (vs MII ioctls) in miimon; " + "0 for off, 1 for on (default)"); module_param(mode, charp, 0); -MODULE_PARM_DESC(mode, "Mode of operation : 0 for round robin, 1 for active-backup, 2 for xor"); +MODULE_PARM_DESC(mode, "Mode of operation : 0 for balance-rr, " + "1 for active-backup, 2 for balance-xor, " + "3 for broadcast, 4 for 802.3ad, 5 for balance-tlb, " + "6 for balance-alb"); module_param(primary, charp, 0); MODULE_PARM_DESC(primary, "Primary network device to use"); module_param(lacp_rate, charp, 0); -MODULE_PARM_DESC(lacp_rate, "LACPDU tx rate to request from 802.3ad partner (slow/fast)"); +MODULE_PARM_DESC(lacp_rate, "LACPDU tx rate to request from 802.3ad partner " + "(slow/fast)"); module_param(xmit_hash_policy, charp, 0); -MODULE_PARM_DESC(xmit_hash_policy, "XOR hashing method : 0 for layer 2 (default), 1 for layer 3+4"); +MODULE_PARM_DESC(xmit_hash_policy, "XOR hashing method: 0 for layer 2 (default)" + ", 1 for layer 3+4"); module_param(arp_interval, int, 0); MODULE_PARM_DESC(arp_interval, "arp interval in milliseconds"); module_param_array(arp_ip_target, charp, NULL, 0); @@ -586,30 +134,27 @@ MODULE_PARM_DESC(arp_ip_target, "arp targets in n.n.n.n form"); static const char *version = DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n"; -static LIST_HEAD(bond_dev_list); +LIST_HEAD(bond_dev_list); #ifdef CONFIG_PROC_FS static struct proc_dir_entry *bond_proc_dir = NULL; #endif +extern struct rw_semaphore bonding_rwsem; static u32 arp_target[BOND_MAX_ARP_TARGETS] = { 0, } ; static int arp_ip_count = 0; static int bond_mode = BOND_MODE_ROUNDROBIN; static int xmit_hashtype= BOND_XMIT_POLICY_LAYER2; static int lacp_fast = 0; -struct bond_parm_tbl { - char *modename; - int mode; -}; -static struct bond_parm_tbl bond_lacp_tbl[] = { +struct bond_parm_tbl bond_lacp_tbl[] = { { "slow", AD_LACP_SLOW}, { "fast", AD_LACP_FAST}, { NULL, -1}, }; -static struct bond_parm_tbl bond_mode_tbl[] = { +struct bond_parm_tbl bond_mode_tbl[] = { { "balance-rr", BOND_MODE_ROUNDROBIN}, { "active-backup", BOND_MODE_ACTIVEBACKUP}, { "balance-xor", BOND_MODE_XOR}, @@ -620,7 +165,7 @@ static struct bond_parm_tbl bond_mode_tbl[] = { { NULL, -1}, }; -static struct bond_parm_tbl xmit_hashtype_tbl[] = { +struct bond_parm_tbl xmit_hashtype_tbl[] = { { "layer2", BOND_XMIT_POLICY_LAYER2}, { "layer3+4", BOND_XMIT_POLICY_LAYER34}, { NULL, -1}, @@ -628,12 +173,11 @@ static struct bond_parm_tbl xmit_hashtype_tbl[] = { /*-------------------------- Forward declarations ---------------------------*/ -static inline void bond_set_mode_ops(struct bonding *bond, int mode); static void bond_send_gratuitous_arp(struct bonding *bond); /*---------------------------- General routines -----------------------------*/ -static const char *bond_mode_name(int mode) +const char *bond_mode_name(int mode) { switch (mode) { case BOND_MODE_ROUNDROBIN : @@ -910,7 +454,7 @@ static void bond_vlan_rx_add_vid(struct net_device *bond_dev, uint16_t vid) res = bond_add_vlan(bond, vid); if (res) { printk(KERN_ERR DRV_NAME - ": %s: Failed to add vlan id %d\n", + ": %s: Error: Failed to add vlan id %d\n", bond_dev->name, vid); } } @@ -944,7 +488,7 @@ static void bond_vlan_rx_kill_vid(struct net_device *bond_dev, uint16_t vid) res = bond_del_vlan(bond, vid); if (res) { printk(KERN_ERR DRV_NAME - ": %s: Failed to remove vlan id %d\n", + ": %s: Error: Failed to remove vlan id %d\n", bond_dev->name, vid); } } @@ -1449,7 +993,7 @@ static struct slave *bond_find_best_slave(struct bonding *bond) * * Warning: Caller must hold curr_slave_lock for writing. */ -static void bond_change_active_slave(struct bonding *bond, struct slave *new_active) +void bond_change_active_slave(struct bonding *bond, struct slave *new_active) { struct slave *old_active = bond->curr_active_slave; @@ -1523,7 +1067,7 @@ static void bond_change_active_slave(struct bonding *bond, struct slave *new_act * * Warning: Caller must hold curr_slave_lock for writing. */ -static void bond_select_active_slave(struct bonding *bond) +void bond_select_active_slave(struct bonding *bond) { struct slave *best_slave; @@ -1591,7 +1135,7 @@ static void bond_detach_slave(struct bonding *bond, struct slave *slave) /*---------------------------------- IOCTL ----------------------------------*/ -static int bond_sethwaddr(struct net_device *bond_dev, struct net_device *slave_dev) +int bond_sethwaddr(struct net_device *bond_dev, struct net_device *slave_dev) { dprintk("bond_dev=%p\n", bond_dev); dprintk("slave_dev=%p\n", slave_dev); @@ -1631,7 +1175,7 @@ static int bond_compute_features(struct bonding *bond) } /* enslave device <slave> to bond device <master> */ -static int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) +int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) { struct bonding *bond = bond_dev->priv; struct slave *new_slave = NULL; @@ -1644,8 +1188,8 @@ static int bond_enslave(struct net_device *bond_dev, struct net_device *slave_de if (!bond->params.use_carrier && slave_dev->ethtool_ops == NULL && slave_dev->do_ioctl == NULL) { printk(KERN_WARNING DRV_NAME - ": Warning : no link monitoring support for %s\n", - slave_dev->name); + ": %s: Warning: no link monitoring support for %s\n", + bond_dev->name, slave_dev->name); } /* bond must be initialized by bond_open() before enslaving */ @@ -1666,17 +1210,17 @@ static int bond_enslave(struct net_device *bond_dev, struct net_device *slave_de dprintk("%s: NETIF_F_VLAN_CHALLENGED\n", slave_dev->name); if (!list_empty(&bond->vlan_list)) { printk(KERN_ERR DRV_NAME - ": Error: cannot enslave VLAN " + ": %s: Error: cannot enslave VLAN " "challenged slave %s on VLAN enabled " - "bond %s\n", slave_dev->name, + "bond %s\n", bond_dev->name, slave_dev->name, bond_dev->name); return -EPERM; } else { printk(KERN_WARNING DRV_NAME - ": Warning: enslaved VLAN challenged " + ": %s: Warning: enslaved VLAN challenged " "slave %s. Adding VLANs will be blocked as " "long as %s is part of bond %s\n", - slave_dev->name, slave_dev->name, + bond_dev->name, slave_dev->name, slave_dev->name, bond_dev->name); bond_dev->features |= NETIF_F_VLAN_CHALLENGED; } @@ -1706,12 +1250,11 @@ static int bond_enslave(struct net_device *bond_dev, struct net_device *slave_de if (slave_dev->set_mac_address == NULL) { printk(KERN_ERR DRV_NAME - ": Error: The slave device you specified does " - "not support setting the MAC address.\n"); - printk(KERN_ERR - "Your kernel likely does not support slave devices.\n"); - - res = -EOPNOTSUPP; + ": %s: Error: The slave device you specified does " + "not support setting the MAC address. " + "Your kernel likely does not support slave " + "devices.\n", bond_dev->name); + res = -EOPNOTSUPP; goto err_undo_flags; } @@ -1827,21 +1370,21 @@ static int bond_enslave(struct net_device *bond_dev, struct net_device *slave_de * the messages for netif_carrier. */ printk(KERN_WARNING DRV_NAME - ": Warning: MII and ETHTOOL support not " + ": %s: Warning: MII and ETHTOOL support not " "available for interface %s, and " "arp_interval/arp_ip_target module parameters " "not specified, thus bonding will not detect " "link failures! see bonding.txt for details.\n", - slave_dev->name); + bond_dev->name, slave_dev->name); } else if (link_reporting == -1) { /* unable get link status using mii/ethtool */ printk(KERN_WARNING DRV_NAME - ": Warning: can't get link status from " + ": %s: Warning: can't get link status from " "interface %s; the network driver associated " "with this interface does not support MII or " "ETHTOOL link status reporting, thus miimon " "has no effect on this interface.\n", - slave_dev->name); + bond_dev->name, slave_dev->name); } } @@ -1868,15 +1411,15 @@ static int bond_enslave(struct net_device *bond_dev, struct net_device *slave_de if (bond_update_speed_duplex(new_slave) && (new_slave->link != BOND_LINK_DOWN)) { printk(KERN_WARNING DRV_NAME - ": Warning: failed to get speed and duplex from %s, " + ": %s: Warning: failed to get speed and duplex from %s, " "assumed to be 100Mb/sec and Full.\n", - new_slave->dev->name); + bond_dev->name, new_slave->dev->name); if (bond->params.mode == BOND_MODE_8023AD) { - printk(KERN_WARNING - "Operation of 802.3ad mode requires ETHTOOL " + printk(KERN_WARNING DRV_NAME + ": %s: Warning: Operation of 802.3ad mode requires ETHTOOL " "support in base driver for proper aggregator " - "selection.\n"); + "selection.\n", bond_dev->name); } } @@ -1958,6 +1501,10 @@ static int bond_enslave(struct net_device *bond_dev, struct net_device *slave_de write_unlock_bh(&bond->lock); + res = bond_create_slave_symlinks(bond_dev, slave_dev); + if (res) + goto err_unset_master; + printk(KERN_INFO DRV_NAME ": %s: enslaving %s as a%s interface with a%s link.\n", bond_dev->name, slave_dev->name, @@ -1999,7 +1546,7 @@ err_undo_flags: * for Bonded connections: * The first up interface should be left on and all others downed. */ -static int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) +int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) { struct bonding *bond = bond_dev->priv; struct slave *slave, *oldcurrent; @@ -2010,7 +1557,7 @@ static int bond_release(struct net_device *bond_dev, struct net_device *slave_de if (!(slave_dev->flags & IFF_SLAVE) || (slave_dev->master != bond_dev)) { printk(KERN_ERR DRV_NAME - ": Error: %s: cannot release %s.\n", + ": %s: Error: cannot release %s.\n", bond_dev->name, slave_dev->name); return -EINVAL; } @@ -2031,11 +1578,12 @@ static int bond_release(struct net_device *bond_dev, struct net_device *slave_de ETH_ALEN); if (!mac_addr_differ && (bond->slave_cnt > 1)) { printk(KERN_WARNING DRV_NAME - ": Warning: the permanent HWaddr of %s " + ": %s: Warning: the permanent HWaddr of %s " "- %02X:%02X:%02X:%02X:%02X:%02X - is " "still in use by %s. Set the HWaddr of " "%s to a different address to avoid " "conflicts.\n", + bond_dev->name, slave_dev->name, slave->perm_hwaddr[0], slave->perm_hwaddr[1], @@ -2111,24 +1659,28 @@ static int bond_release(struct net_device *bond_dev, struct net_device *slave_de bond_dev->features |= NETIF_F_VLAN_CHALLENGED; } else { printk(KERN_WARNING DRV_NAME - ": Warning: clearing HW address of %s while it " + ": %s: Warning: clearing HW address of %s while it " "still has VLANs.\n", - bond_dev->name); + bond_dev->name, bond_dev->name); printk(KERN_WARNING DRV_NAME - ": When re-adding slaves, make sure the bond's " - "HW address matches its VLANs'.\n"); + ": %s: When re-adding slaves, make sure the bond's " + "HW address matches its VLANs'.\n", + bond_dev->name); } } else if ((bond_dev->features & NETIF_F_VLAN_CHALLENGED) && !bond_has_challenged_slaves(bond)) { printk(KERN_INFO DRV_NAME - ": last VLAN challenged slave %s " + ": %s: last VLAN challenged slave %s " "left bond %s. VLAN blocking is removed\n", - slave_dev->name, bond_dev->name); + bond_dev->name, slave_dev->name, bond_dev->name); bond_dev->features &= ~NETIF_F_VLAN_CHALLENGED; } write_unlock_bh(&bond->lock); + /* must do this from outside any spinlocks */ + bond_destroy_slave_symlinks(bond_dev, slave_dev); + bond_del_vlans_from_slave(bond, slave_dev); /* If the mode USES_PRIMARY, then we should only remove its @@ -2220,6 +1772,7 @@ static int bond_release_all(struct net_device *bond_dev) */ write_unlock_bh(&bond->lock); + bond_destroy_slave_symlinks(bond_dev, slave_dev); bond_del_vlans_from_slave(bond, slave_dev); /* If the mode USES_PRIMARY, then we should only remove its @@ -2274,12 +1827,13 @@ static int bond_release_all(struct net_device *bond_dev) bond_dev->features |= NETIF_F_VLAN_CHALLENGED; } else { printk(KERN_WARNING DRV_NAME - ": Warning: clearing HW address of %s while it " + ": %s: Warning: clearing HW address of %s while it " "still has VLANs.\n", - bond_dev->name); + bond_dev->name, bond_dev->name); printk(KERN_WARNING DRV_NAME - ": When re-adding slaves, make sure the bond's " - "HW address matches its VLANs'.\n"); + ": %s: When re-adding slaves, make sure the bond's " + "HW address matches its VLANs'.\n", + bond_dev->name); } printk(KERN_INFO DRV_NAME @@ -2397,7 +1951,7 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in /*-------------------------------- Monitoring -------------------------------*/ /* this function is called regularly to monitor each slave's link. */ -static void bond_mii_monitor(struct net_device *bond_dev) +void bond_mii_monitor(struct net_device *bond_dev) { struct bonding *bond = bond_dev->priv; struct slave *slave, *oldcurrent; @@ -2596,8 +2150,11 @@ static void bond_mii_monitor(struct net_device *bond_dev) break; default: /* Should not happen */ - printk(KERN_ERR "bonding: Error: %s Illegal value (link=%d)\n", - slave->dev->name, slave->link); + printk(KERN_ERR DRV_NAME + ": %s: Error: %s Illegal value (link=%d)\n", + bond_dev->name, + slave->dev->name, + slave->link); goto out; } /* end of switch (slave->link) */ @@ -2721,7 +2278,9 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave) struct flowi fl; struct rtable *rt; - for (i = 0; (i < BOND_MAX_ARP_TARGETS) && targets[i]; i++) { + for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) { + if (!targets[i]) + continue; dprintk("basa: target %x\n", targets[i]); if (list_empty(&bond->vlan_list)) { dprintk("basa: empty vlan: arp_send\n"); @@ -2825,7 +2384,7 @@ static void bond_send_gratuitous_arp(struct bonding *bond) * arp is transmitted to generate traffic. see activebackup_arp_monitor for * arp monitoring in active backup mode. */ -static void bond_loadbalance_arp_mon(struct net_device *bond_dev) +void bond_loadbalance_arp_mon(struct net_device *bond_dev) { struct bonding *bond = bond_dev->priv; struct slave *slave, *oldcurrent; @@ -2963,7 +2522,7 @@ out: * may have received. * see loadbalance_arp_monitor for arp monitoring in load balancing mode */ -static void bond_activebackup_arp_mon(struct net_device *bond_dev) +void bond_activebackup_arp_mon(struct net_device *bond_dev) { struct bonding *bond = bond_dev->priv; struct slave *slave; @@ -3249,6 +2808,8 @@ static void bond_info_show_master(struct seq_file *seq) { struct bonding *bond = seq->private; struct slave *curr; + int i; + u32 target; read_lock(&bond->curr_slave_lock); curr = bond->curr_active_slave; @@ -3257,10 +2818,17 @@ static void bond_info_show_master(struct seq_file *seq) seq_printf(seq, "Bonding Mode: %s\n", bond_mode_name(bond->params.mode)); + if (bond->params.mode == BOND_MODE_XOR || + bond->params.mode == BOND_MODE_8023AD) { + seq_printf(seq, "Transmit Hash Policy: %s (%d)\n", + xmit_hashtype_tbl[bond->params.xmit_policy].modename, + bond->params.xmit_policy); + } + if (USES_PRIMARY(bond->params.mode)) { seq_printf(seq, "Primary Slave: %s\n", - (bond->params.primary[0]) ? - bond->params.primary : "None"); + (bond->primary_slave) ? + bond->primary_slave->dev->name : "None"); seq_printf(seq, "Currently Active Slave: %s\n", (curr) ? curr->dev->name : "None"); @@ -3273,6 +2841,27 @@ static void bond_info_show_master(struct seq_file *seq) seq_printf(seq, "Down Delay (ms): %d\n", bond->params.downdelay * bond->params.miimon); + + /* ARP information */ + if(bond->params.arp_interval > 0) { + int printed=0; + seq_printf(seq, "ARP Polling Interval (ms): %d\n", + bond->params.arp_interval); + + seq_printf(seq, "ARP IP target/s (n.n.n.n form):"); + + for(i = 0; (i < BOND_MAX_ARP_TARGETS) ;i++) { + if (!bond->params.arp_targets[i]) + continue; + if (printed) + seq_printf(seq, ","); + target = ntohl(bond->params.arp_targets[i]); + seq_printf(seq, " %d.%d.%d.%d", HIPQUAD(target)); + printed = 1; + } + seq_printf(seq, "\n"); + } + if (bond->params.mode == BOND_MODE_8023AD) { struct ad_info ad_info; @@ -3478,7 +3067,10 @@ static int bond_event_changename(struct bonding *bond) bond_remove_proc_entry(bond); bond_create_proc_entry(bond); #endif - + down_write(&(bonding_rwsem)); + bond_destroy_sysfs_entry(bond); + bond_create_sysfs_entry(bond); + up_write(&(bonding_rwsem)); return NOTIFY_DONE; } @@ -3955,6 +3547,7 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd return -EPERM; } + down_write(&(bonding_rwsem)); slave_dev = dev_get_by_name(ifr->ifr_slave); dprintk("slave_dev=%p: \n", slave_dev); @@ -3987,6 +3580,7 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd dev_put(slave_dev); } + up_write(&(bonding_rwsem)); return res; } @@ -4071,6 +3665,7 @@ static int bond_change_mtu(struct net_device *bond_dev, int new_mtu) bond_for_each_slave(bond, slave, i) { dprintk("s %p s->p %p c_m %p\n", slave, slave->prev, slave->dev->change_mtu); + res = dev_set_mtu(slave->dev, new_mtu); if (res) { @@ -4397,8 +3992,9 @@ static int bond_xmit_broadcast(struct sk_buff *skb, struct net_device *bond_dev) struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC); if (!skb2) { printk(KERN_ERR DRV_NAME - ": Error: bond_xmit_broadcast(): " - "skb_clone() failed\n"); + ": %s: Error: bond_xmit_broadcast(): " + "skb_clone() failed\n", + bond_dev->name); continue; } @@ -4431,7 +4027,7 @@ out: /* * set bond mode specific net device operations */ -static inline void bond_set_mode_ops(struct bonding *bond, int mode) +void bond_set_mode_ops(struct bonding *bond, int mode) { struct net_device *bond_dev = bond->dev; @@ -4467,7 +4063,8 @@ static inline void bond_set_mode_ops(struct bonding *bond, int mode) default: /* Should never happen, mode already checked */ printk(KERN_ERR DRV_NAME - ": Error: Unknown bonding mode %d\n", + ": %s: Error: Unknown bonding mode %d\n", + bond_dev->name, mode); break; } @@ -4491,7 +4088,7 @@ static struct ethtool_ops bond_ethtool_ops = { * Does not allocate but creates a /proc entry. * Allowed to fail. */ -static int __init bond_init(struct net_device *bond_dev, struct bond_params *params) +static int bond_init(struct net_device *bond_dev, struct bond_params *params) { struct bonding *bond = bond_dev->priv; @@ -4565,7 +4162,7 @@ static int __init bond_init(struct net_device *bond_dev, struct bond_params *par /* De-initialize device specific data. * Caller must hold rtnl_lock. */ -static inline void bond_deinit(struct net_device *bond_dev) +void bond_deinit(struct net_device *bond_dev) { struct bonding *bond = bond_dev->priv; @@ -4601,7 +4198,7 @@ static void bond_free_all(void) * Convert string input module parms. Accept either the * number of the mode or its string name. */ -static inline int bond_parse_parm(char *mode_arg, struct bond_parm_tbl *tbl) +int bond_parse_parm(char *mode_arg, struct bond_parm_tbl *tbl) { int i; @@ -4670,7 +4267,7 @@ static int bond_check_params(struct bond_params *params) if (max_bonds < 1 || max_bonds > INT_MAX) { printk(KERN_WARNING DRV_NAME ": Warning: max_bonds (%d) not in range %d-%d, so it " - "was reset to BOND_DEFAULT_MAX_BONDS (%d)", + "was reset to BOND_DEFAULT_MAX_BONDS (%d)\n", max_bonds, 1, INT_MAX, BOND_DEFAULT_MAX_BONDS); max_bonds = BOND_DEFAULT_MAX_BONDS; } @@ -4881,81 +4478,96 @@ static int bond_check_params(struct bond_params *params) return 0; } +/* Create a new bond based on the specified name and bonding parameters. + * Caller must NOT hold rtnl_lock; we need to release it here before we + * set up our sysfs entries. + */ +int bond_create(char *name, struct bond_params *params, struct bonding **newbond) +{ + struct net_device *bond_dev; + int res; + + rtnl_lock(); + bond_dev = alloc_netdev(sizeof(struct bonding), name, ether_setup); + if (!bond_dev) { + printk(KERN_ERR DRV_NAME + ": %s: eek! can't alloc netdev!\n", + name); + res = -ENOMEM; + goto out_rtnl; + } + + /* bond_init() must be called after dev_alloc_name() (for the + * /proc files), but before register_netdevice(), because we + * need to set function pointers. + */ + + res = bond_init(bond_dev, params); + if (res < 0) { + goto out_netdev; + } + + SET_MODULE_OWNER(bond_dev); + + res = register_netdevice(bond_dev); + if (res < 0) { + goto out_bond; + } + if (newbond) + *newbond = bond_dev->priv; + + rtnl_unlock(); /* allows sysfs registration of net device */ + res = bond_create_sysfs_entry(bond_dev->priv); + goto done; +out_bond: + bond_deinit(bond_dev); +out_netdev: + free_netdev(bond_dev); +out_rtnl: + rtnl_unlock(); +done: + return res; +} + static int __init bonding_init(void) { - struct bond_params params; int i; int res; + char new_bond_name[8]; /* Enough room for 999 bonds at init. */ printk(KERN_INFO "%s", version); - res = bond_check_params(¶ms); + res = bond_check_params(&bonding_defaults); if (res) { - return res; + goto out; } - rtnl_lock(); - #ifdef CONFIG_PROC_FS bond_create_proc_dir(); #endif - for (i = 0; i < max_bonds; i++) { - struct net_device *bond_dev; - - bond_dev = alloc_netdev(sizeof(struct bonding), "", ether_setup); - if (!bond_dev) { - res = -ENOMEM; - goto out_err; - } - - res = dev_alloc_name(bond_dev, "bond%d"); - if (res < 0) { - free_netdev(bond_dev); - goto out_err; - } - - /* bond_init() must be called after dev_alloc_name() (for the - * /proc files), but before register_netdevice(), because we - * need to set function pointers. - */ - res = bond_init(bond_dev, ¶ms); - if (res < 0) { - free_netdev(bond_dev); - goto out_err; - } - - SET_MODULE_OWNER(bond_dev); - - res = register_netdevice(bond_dev); - if (res < 0) { - bond_deinit(bond_dev); - free_netdev(bond_dev); - goto out_err; - } + sprintf(new_bond_name, "bond%d",i); + res = bond_create(new_bond_name,&bonding_defaults, NULL); + if (res) + goto err; } - rtnl_unlock(); + res = bond_create_sysfs(); + if (res) + goto err; + register_netdevice_notifier(&bond_netdev_notifier); register_inetaddr_notifier(&bond_inetaddr_notifier); - return 0; - -out_err: - /* - * rtnl_unlock() will run netdev_run_todo(), putting the - * thus-far-registered bonding devices into a state which - * unregigister_netdevice() will accept - */ - rtnl_unlock(); + goto out; +err: rtnl_lock(); - - /* free and unregister all bonds that were successfully added */ bond_free_all(); - + bond_destroy_sysfs(); rtnl_unlock(); - +out: return res; + } static void __exit bonding_exit(void) @@ -4965,6 +4577,7 @@ static void __exit bonding_exit(void) rtnl_lock(); bond_free_all(); + bond_destroy_sysfs(); rtnl_unlock(); } diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c new file mode 100644 index 00000000000..32d13da43a0 --- /dev/null +++ b/drivers/net/bonding/bond_sysfs.c @@ -0,0 +1,1358 @@ + +/* + * Copyright(c) 2004-2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + */ +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/sched.h> +#include <linux/device.h> +#include <linux/sysdev.h> +#include <linux/fs.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/netdevice.h> +#include <linux/inetdevice.h> +#include <linux/in.h> +#include <linux/sysfs.h> +#include <linux/string.h> +#include <linux/ctype.h> +#include <linux/inet.h> +#include <linux/rtnetlink.h> + +/* #define BONDING_DEBUG 1 */ +#include "bonding.h" +#define to_class_dev(obj) container_of(obj,struct class_device,kobj) +#define to_net_dev(class) container_of(class, struct net_device, class_dev) +#define to_bond(cd) ((struct bonding *)(to_net_dev(cd)->priv)) + +/*---------------------------- Declarations -------------------------------*/ + + +extern struct list_head bond_dev_list; +extern struct bond_params bonding_defaults; +extern struct bond_parm_tbl bond_mode_tbl[]; +extern struct bond_parm_tbl bond_lacp_tbl[]; +extern struct bond_parm_tbl xmit_hashtype_tbl[]; + +static int expected_refcount = -1; +static struct class *netdev_class; +/*--------------------------- Data Structures -----------------------------*/ + +/* Bonding sysfs lock. Why can't we just use the subsytem lock? + * Because kobject_register tries to acquire the subsystem lock. If + * we already hold the lock (which we would if the user was creating + * a new bond through the sysfs interface), we deadlock. + * This lock is only needed when deleting a bond - we need to make sure + * that we don't collide with an ongoing ioctl. + */ + +struct rw_semaphore bonding_rwsem; + + + + +/*------------------------------ Functions --------------------------------*/ + +/* + * "show" function for the bond_masters attribute. + * The class parameter is ignored. + */ +static ssize_t bonding_show_bonds(struct class *cls, char *buffer) +{ + int res = 0; + struct bonding *bond; + + down_read(&(bonding_rwsem)); + + list_for_each_entry(bond, &bond_dev_list, bond_list) { + if (res > (PAGE_SIZE - IFNAMSIZ)) { + /* not enough space for another interface name */ + if ((PAGE_SIZE - res) > 10) + res = PAGE_SIZE - 10; + res += sprintf(buffer + res, "++more++"); + break; + } + res += sprintf(buffer + res, "%s ", + bond->dev->name); + } + res += sprintf(buffer + res, "\n"); + res++; + up_read(&(bonding_rwsem)); + return res; +} + +/* + * "store" function for the bond_masters attribute. This is what + * creates and deletes entire bonds. + * + * The class parameter is ignored. + * + */ + +static ssize_t bonding_store_bonds(struct class *cls, const char *buffer, size_t count) +{ + char command[IFNAMSIZ + 1] = {0, }; + char *ifname; + int res = count; + struct bonding *bond; + struct bonding *nxt; + + down_write(&(bonding_rwsem)); + sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ + ifname = command + 1; + if ((strlen(command) <= 1) || + !dev_valid_name(ifname)) + goto err_no_cmd; + + if (command[0] == '+') { + + /* Check to see if the bond already exists. */ + list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) + if (strnicmp(bond->dev->name, ifname, IFNAMSIZ) == 0) { + printk(KERN_ERR DRV_NAME + ": cannot add bond %s; it already exists\n", + ifname); + res = -EPERM; + goto out; + } + + printk(KERN_INFO DRV_NAME + ": %s is being created...\n", ifname); + if (bond_create(ifname, &bonding_defaults, &bond)) { + printk(KERN_INFO DRV_NAME + ": %s interface already exists. Bond creation failed.\n", + ifname); + res = -EPERM; + } + goto out; + } + + if (command[0] == '-') { + list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) + if (strnicmp(bond->dev->name, ifname, IFNAMSIZ) == 0) { + rtnl_lock(); + /* check the ref count on the bond's kobject. + * If it's > expected, then there's a file open, + * and we have to fail. + */ + if (atomic_read(&bond->dev->class_dev.kobj.kref.refcount) + > expected_refcount){ + rtnl_unlock(); + printk(KERN_INFO DRV_NAME + ": Unable remove bond %s due to open references.\n", + ifname); + res = -EPERM; + goto out; + } + printk(KERN_INFO DRV_NAME + ": %s is being deleted...\n", + bond->dev->name); + unregister_netdevice(bond->dev); + bond_deinit(bond->dev); + bond_destroy_sysfs_entry(bond); + rtnl_unlock(); + goto out; + } + + printk(KERN_ERR DRV_NAME + ": unable to delete non-existent bond %s\n", ifname); + res = -ENODEV; + goto out; + } + +err_no_cmd: + printk(KERN_ERR DRV_NAME + ": no command found in bonding_masters. Use +ifname or -ifname.\n"); + res = -EPERM; + + /* Always return either count or an error. If you return 0, you'll + * get called forever, which is bad. + */ +out: + up_write(&(bonding_rwsem)); + return res; +} +/* class attribute for bond_masters file. This ends up in /sys/class/net */ +static CLASS_ATTR(bonding_masters, S_IWUSR | S_IRUGO, + bonding_show_bonds, bonding_store_bonds); + +int bond_create_slave_symlinks(struct net_device *master, struct net_device *slave) +{ + char linkname[IFNAMSIZ+7]; + int ret = 0; + + /* first, create a link from the slave back to the master */ + ret = sysfs_create_link(&(slave->class_dev.kobj), &(master->class_dev.kobj), + "master"); + if (ret) + return ret; + /* next, create a link from the master to the slave */ + sprintf(linkname,"slave_%s",slave->name); + ret = sysfs_create_link(&(master->class_dev.kobj), &(slave->class_dev.kobj), + linkname); + return ret; + +} + +void bond_destroy_slave_symlinks(struct net_device *master, struct net_device *slave) +{ + char linkname[IFNAMSIZ+7]; + + sysfs_remove_link(&(slave->class_dev.kobj), "master"); + sprintf(linkname,"slave_%s",slave->name); + sysfs_remove_link(&(master->class_dev.kobj), linkname); +} + + +/* + * Show the slaves in the current bond. + */ +static ssize_t bonding_show_slaves(struct class_device *cd, char *buf) +{ + struct slave *slave; + int i, res = 0; + struct bonding *bond = to_bond(cd); + + read_lock_bh(&bond->lock); + bond_for_each_slave(bond, slave, i) { + if (res > (PAGE_SIZE - IFNAMSIZ)) { + /* not enough space for another interface name */ + if ((PAGE_SIZE - res) > 10) + res = PAGE_SIZE - 10; + res += sprintf(buf + res, "++more++"); + break; + } + res += sprintf(buf + res, "%s ", slave->dev->name); + } + read_unlock_bh(&bond->lock); + res += sprintf(buf + res, "\n"); + res++; + return res; +} + +/* + * Set the slaves in the current bond. The bond interface must be + * up for this to succeed. + * This function is largely the same flow as bonding_update_bonds(). + */ +static ssize_t bonding_store_slaves(struct class_device *cd, const char *buffer, size_t count) +{ + char command[IFNAMSIZ + 1] = { 0, }; + char *ifname; + int i, res, found, ret = count; + struct slave *slave; + struct net_device *dev = 0; + struct bonding *bond = to_bond(cd); + + /* Quick sanity check -- is the bond interface up? */ + if (!(bond->dev->flags & IFF_UP)) { + printk(KERN_ERR DRV_NAME + ": %s: Unable to update slaves because interface is down.\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + + /* Note: We can't hold bond->lock here, as bond_create grabs it. */ + + sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ + ifname = command + 1; + if ((strlen(command) <= 1) || + !dev_valid_name(ifname)) + goto err_no_cmd; + + if (command[0] == '+') { + + /* Got a slave name in ifname. Is it already in the list? */ + found = 0; + read_lock_bh(&bond->lock); + bond_for_each_slave(bond, slave, i) + if (strnicmp(slave->dev->name, ifname, IFNAMSIZ) == 0) { + printk(KERN_ERR DRV_NAME + ": %s: Interface %s is already enslaved!\n", + bond->dev->name, ifname); + ret = -EPERM; + read_unlock_bh(&bond->lock); + goto out; + } + + read_unlock_bh(&bond->lock); + printk(KERN_INFO DRV_NAME ": %s: Adding slave %s.\n", + bond->dev->name, ifname); + dev = dev_get_by_name(ifname); + if (!dev) { + printk(KERN_INFO DRV_NAME + ": %s: Interface %s does not exist!\n", + bond->dev->name, ifname); + ret = -EPERM; + goto out; + } + else + dev_put(dev); + + if (dev->flags & IFF_UP) { + printk(KERN_ERR DRV_NAME + ": %s: Error: Unable to enslave %s " + "because it is already up.\n", + bond->dev->name, dev->name); + ret = -EPERM; + goto out; + } + /* If this is the first slave, then we need to set + the master's hardware address to be the same as the + slave's. */ + if (!(*((u32 *) & (bond->dev->dev_addr[0])))) { + memcpy(bond->dev->dev_addr, dev->dev_addr, + dev->addr_len); + } + + /* Set the slave's MTU to match the bond */ + if (dev->mtu != bond->dev->mtu) { + if (dev->change_mtu) { + res = dev->change_mtu(dev, + bond->dev->mtu); + if (res) { + ret = res; + goto out; + } + } else { + dev->mtu = bond->dev->mtu; + } + } + rtnl_lock(); + res = bond_enslave(bond->dev, dev); + rtnl_unlock(); + if (res) { + ret = res; + } + goto out; + } + + if (command[0] == '-') { + dev = NULL; + bond_for_each_slave(bond, slave, i) + if (strnicmp(slave->dev->name, ifname, IFNAMSIZ) == 0) { + dev = slave->dev; + break; + } + if (dev) { + printk(KERN_INFO DRV_NAME ": %s: Removing slave %s\n", + bond->dev->name, dev->name); + rtnl_lock(); + res = bond_release(bond->dev, dev); + rtnl_unlock(); + if (res) { + ret = res; + goto out; + } + /* set the slave MTU to the default */ + if (dev->change_mtu) { + dev->change_mtu(dev, 1500); + } else { + dev->mtu = 1500; + } + } + else { + printk(KERN_ERR DRV_NAME ": unable to remove non-existent slave %s for bond %s.\n", + ifname, bond->dev->name); + ret = -ENODEV; + } + goto out; + } + +err_no_cmd: + printk(KERN_ERR DRV_NAME ": no command found in slaves file for bond %s. Use +ifname or -ifname.\n", bond->dev->name); + ret = -EPERM; + +out: + return ret; +} + +static CLASS_DEVICE_ATTR(slaves, S_IRUGO | S_IWUSR, bonding_show_slaves, bonding_store_slaves); + +/* + * Show and set the bonding mode. The bond interface must be down to + * change the mode. + */ +static ssize_t bonding_show_mode(struct class_device *cd, char *buf) +{ + struct bonding *bond = to_bond(cd); + + return sprintf(buf, "%s %d\n", + bond_mode_tbl[bond->params.mode].modename, + bond->params.mode) + 1; +} + +static ssize_t bonding_store_mode(struct class_device *cd, const char *buf, size_t count) +{ + int new_value, ret = count; + struct bonding *bond = to_bond(cd); + + if (bond->dev->flags & IFF_UP) { + printk(KERN_ERR DRV_NAME + ": unable to update mode of %s because interface is up.\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + + new_value = bond_parse_parm((char *)buf, bond_mode_tbl); + if (new_value < 0) { + printk(KERN_ERR DRV_NAME + ": %s: Ignoring invalid mode value %.*s.\n", + bond->dev->name, + (int)strlen(buf) - 1, buf); + ret = -EINVAL; + goto out; + } else { + bond->params.mode = new_value; + bond_set_mode_ops(bond, bond->params.mode); + printk(KERN_INFO DRV_NAME ": %s: setting mode to %s (%d).\n", + bond->dev->name, bond_mode_tbl[new_value].modename, new_value); + } +out: + return ret; +} +static CLASS_DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, bonding_show_mode, bonding_store_mode); + +/* + * Show and set the bonding transmit hash method. The bond interface must be down to + * change the xmit hash policy. + */ +static ssize_t bonding_show_xmit_hash(struct class_device *cd, char *buf) +{ + int count; + struct bonding *bond = to_bond(cd); + + if ((bond->params.mode != BOND_MODE_XOR) && + (bond->params.mode != BOND_MODE_8023AD)) { + // Not Applicable + count = sprintf(buf, "NA\n") + 1; + } else { + count = sprintf(buf, "%s %d\n", + xmit_hashtype_tbl[bond->params.xmit_policy].modename, + bond->params.xmit_policy) + 1; + } + + return count; +} + +static ssize_t bonding_store_xmit_hash(struct class_device *cd, const char *buf, size_t count) +{ + int new_value, ret = count; + struct bonding *bond = to_bond(cd); + + if (bond->dev->flags & IFF_UP) { + printk(KERN_ERR DRV_NAME + "%s: Interface is up. Unable to update xmit policy.\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + + if ((bond->params.mode != BOND_MODE_XOR) && + (bond->params.mode != BOND_MODE_8023AD)) { + printk(KERN_ERR DRV_NAME + "%s: Transmit hash policy is irrelevant in this mode.\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + + new_value = bond_parse_parm((char *)buf, xmit_hashtype_tbl); + if (new_value < 0) { + printk(KERN_ERR DRV_NAME + ": %s: Ignoring invalid xmit hash policy value %.*s.\n", + bond->dev->name, + (int)strlen(buf) - 1, buf); + ret = -EINVAL; + goto out; + } else { + bond->params.xmit_policy = new_value; + bond_set_mode_ops(bond, bond->params.mode); + printk(KERN_INFO DRV_NAME ": %s: setting xmit hash policy to %s (%d).\n", + bond->dev->name, xmit_hashtype_tbl[new_value].modename, new_value); + } +out: + return ret; +} +static CLASS_DEVICE_ATTR(xmit_hash_policy, S_IRUGO | S_IWUSR, bonding_show_xmit_hash, bonding_store_xmit_hash); + +/* + * Show and set the arp timer interval. There are two tricky bits + * here. First, if ARP monitoring is activated, then we must disable + * MII monitoring. Second, if the ARP timer isn't running, we must + * start it. + */ +static ssize_t bonding_show_arp_interval(struct class_device *cd, char *buf) +{ + struct bonding *bond = to_bond(cd); + + return sprintf(buf, "%d\n", bond->params.arp_interval) + 1; +} + +static ssize_t bonding_store_arp_interval(struct class_device *cd, const char *buf, size_t count) +{ + int new_value, ret = count; + struct bonding *bond = to_bond(cd); + + if (sscanf(buf, "%d", &new_value) != 1) { + printk(KERN_ERR DRV_NAME + ": %s: no arp_interval value specified.\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + if (new_value < 0) { + printk(KERN_ERR DRV_NAME + ": %s: Invalid arp_interval value %d not in range 1-%d; rejected.\n", + bond->dev->name, new_value, INT_MAX); + ret = -EINVAL; + goto out; + } + + printk(KERN_INFO DRV_NAME + ": %s: Setting ARP monitoring interval to %d.\n", + bond->dev->name, new_value); + bond->params.arp_interval = new_value; + if (bond->params.miimon) { + printk(KERN_INFO DRV_NAME + ": %s: ARP monitoring cannot be used with MII monitoring. " + "%s Disabling MII monitoring.\n", + bond->dev->name, bond->dev->name); + bond->params.miimon = 0; + /* Kill MII timer, else it brings bond's link down */ + if (bond->arp_timer.function) { + printk(KERN_INFO DRV_NAME + ": %s: Kill MII timer, else it brings bond's link down...\n", + bond->dev->name); + del_timer_sync(&bond->mii_timer); + } + } + if (!bond->params.arp_targets[0]) { + printk(KERN_INFO DRV_NAME + ": %s: ARP monitoring has been set up, " + "but no ARP targets have been specified.\n", + bond->dev->name); + } + if (bond->dev->flags & IFF_UP) { + /* If the interface is up, we may need to fire off + * the ARP timer. If the interface is down, the + * timer will get fired off when the open function + * is called. + */ + if (bond->arp_timer.function) { + /* The timer's already set up, so fire it off */ + mod_timer(&bond->arp_timer, jiffies + 1); + } else { + /* Set up the timer. */ + init_timer(&bond->arp_timer); + bond->arp_timer.expires = jiffies + 1; + bond->arp_timer.data = + (unsigned long) bond->dev; + if (bond->params.mode == BOND_MODE_ACTIVEBACKUP) { + bond->arp_timer.function = + (void *) + &bond_activebackup_arp_mon; + } else { + bond->arp_timer.function = + (void *) + &bond_loadbalance_arp_mon; + } + add_timer(&bond->arp_timer); + } + } + +out: + return ret; +} +static CLASS_DEVICE_ATTR(arp_interval, S_IRUGO | S_IWUSR , bonding_show_arp_interval, bonding_store_arp_interval); + +/* + * Show and set the arp targets. + */ +static ssize_t bonding_show_arp_targets(struct class_device *cd, char *buf) +{ + int i, res = 0; + struct bonding *bond = to_bond(cd); + + for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) { + if (bond->params.arp_targets[i]) + res += sprintf(buf + res, "%u.%u.%u.%u ", + NIPQUAD(bond->params.arp_targets[i])); + } + if (res) + res--; /* eat the leftover space */ + res += sprintf(buf + res, "\n"); + res++; + return res; +} + +static ssize_t bonding_store_arp_targets(struct class_device *cd, const char *buf, size_t count) +{ + u32 newtarget; + int i = 0, done = 0, ret = count; + struct bonding *bond = to_bond(cd); + u32 *targets; + + targets = bond->params.arp_targets; + newtarget = in_aton(buf + 1); + /* look for adds */ + if (buf[0] == '+') { + if ((newtarget == 0) || (newtarget == INADDR_BROADCAST)) { + printk(KERN_ERR DRV_NAME + ": %s: invalid ARP target %u.%u.%u.%u specified for addition\n", + bond->dev->name, NIPQUAD(newtarget)); + ret = -EINVAL; + goto out; + } + /* look for an empty slot to put the target in, and check for dupes */ + for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) { + if (targets[i] == newtarget) { /* duplicate */ + printk(KERN_ERR DRV_NAME + ": %s: ARP target %u.%u.%u.%u is already present\n", + bond->dev->name, NIPQUAD(newtarget)); + if (done) + targets[i] = 0; + ret = -EINVAL; + goto out; + } + if (targets[i] == 0 && !done) { + printk(KERN_INFO DRV_NAME + ": %s: adding ARP target %d.%d.%d.%d.\n", + bond->dev->name, NIPQUAD(newtarget)); + done = 1; + targets[i] = newtarget; + } + } + if (!done) { + printk(KERN_ERR DRV_NAME + ": %s: ARP target table is full!\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + + } + else if (buf[0] == '-') { + if ((newtarget == 0) || (newtarget == INADDR_BROADCAST)) { + printk(KERN_ERR DRV_NAME + ": %s: invalid ARP target %d.%d.%d.%d specified for removal\n", + bond->dev->name, NIPQUAD(newtarget)); + ret = -EINVAL; + goto out; + } + + for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) { + if (targets[i] == newtarget) { + printk(KERN_INFO DRV_NAME + ": %s: removing ARP target %d.%d.%d.%d.\n", + bond->dev->name, NIPQUAD(newtarget)); + targets[i] = 0; + done = 1; + } + } + if (!done) { + printk(KERN_INFO DRV_NAME + ": %s: unable to remove nonexistent ARP target %d.%d.%d.%d.\n", + bond->dev->name, NIPQUAD(newtarget)); + ret = -EINVAL; + goto out; + } + } + else { + printk(KERN_ERR DRV_NAME ": no command found in arp_ip_targets file for bond %s. Use +<addr> or -<addr>.\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + +out: + return ret; +} +static CLASS_DEVICE_ATTR(arp_ip_target, S_IRUGO | S_IWUSR , bonding_show_arp_targets, bonding_store_arp_targets); + +/* + * Show and set the up and down delays. These must be multiples of the + * MII monitoring value, and are stored internally as the multiplier. + * Thus, we must translate to MS for the real world. + */ +static ssize_t bonding_show_downdelay(struct class_device *cd, char *buf) +{ + struct bonding *bond = to_bond(cd); + + return sprintf(buf, "%d\n", bond->params.downdelay * bond->params.miimon) + 1; +} + +static ssize_t bonding_store_downdelay(struct class_device *cd, const char *buf, size_t count) +{ + int new_value, ret = count; + struct bonding *bond = to_bond(cd); + + if (!(bond->params.miimon)) { + printk(KERN_ERR DRV_NAME + ": %s: Unable to set down delay as MII monitoring is disabled\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + + if (sscanf(buf, "%d", &new_value) != 1) { + printk(KERN_ERR DRV_NAME + ": %s: no down delay value specified.\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + if (new_value < 0) { + printk(KERN_ERR DRV_NAME + ": %s: Invalid down delay value %d not in range %d-%d; rejected.\n", + bond->dev->name, new_value, 1, INT_MAX); + ret = -EINVAL; + goto out; + } else { + if ((new_value % bond->params.miimon) != 0) { + printk(KERN_WARNING DRV_NAME + ": %s: Warning: down delay (%d) is not a multiple " + "of miimon (%d), delay rounded to %d ms\n", + bond->dev->name, new_value, bond->params.miimon, + (new_value / bond->params.miimon) * + bond->params.miimon); + } + bond->params.downdelay = new_value / bond->params.miimon; + printk(KERN_INFO DRV_NAME ": %s: Setting down delay to %d.\n", + bond->dev->name, bond->params.downdelay * bond->params.miimon); + + } + +out: + return ret; +} +static CLASS_DEVICE_ATTR(downdelay, S_IRUGO | S_IWUSR , bonding_show_downdelay, bonding_store_downdelay); + +static ssize_t bonding_show_updelay(struct class_device *cd, char *buf) +{ + struct bonding *bond = to_bond(cd); + + return sprintf(buf, "%d\n", bond->params.updelay * bond->params.miimon) + 1; + +} + +static ssize_t bonding_store_updelay(struct class_device *cd, const char *buf, size_t count) +{ + int new_value, ret = count; + struct bonding *bond = to_bond(cd); + + if (!(bond->params.miimon)) { + printk(KERN_ERR DRV_NAME + ": %s: Unable to set up delay as MII monitoring is disabled\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + + if (sscanf(buf, "%d", &new_value) != 1) { + printk(KERN_ERR DRV_NAME + ": %s: no up delay value specified.\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + if (new_value < 0) { + printk(KERN_ERR DRV_NAME + ": %s: Invalid down delay value %d not in range %d-%d; rejected.\n", + bond->dev->name, new_value, 1, INT_MAX); + ret = -EINVAL; + goto out; + } else { + if ((new_value % bond->params.miimon) != 0) { + printk(KERN_WARNING DRV_NAME + ": %s: Warning: up delay (%d) is not a multiple " + "of miimon (%d), updelay rounded to %d ms\n", + bond->dev->name, new_value, bond->params.miimon, + (new_value / bond->params.miimon) * + bond->params.miimon); + } + bond->params.updelay = new_value / bond->params.miimon; + printk(KERN_INFO DRV_NAME ": %s: Setting up delay to %d.\n", + bond->dev->name, bond->params.updelay * bond->params.miimon); + + } + +out: + return ret; +} +static CLASS_DEVICE_ATTR(updelay, S_IRUGO | S_IWUSR , bonding_show_updelay, bonding_store_updelay); + +/* + * Show and set the LACP interval. Interface must be down, and the mode + * must be set to 802.3ad mode. + */ +static ssize_t bonding_show_lacp(struct class_device *cd, char *buf) +{ + struct bonding *bond = to_bond(cd); + + return sprintf(buf, "%s %d\n", + bond_lacp_tbl[bond->params.lacp_fast].modename, + bond->params.lacp_fast) + 1; +} + +static ssize_t bonding_store_lacp(struct class_device *cd, const char *buf, size_t count) +{ + int new_value, ret = count; + struct bonding *bond = to_bond(cd); + + if (bond->dev->flags & IFF_UP) { + printk(KERN_ERR DRV_NAME + ": %s: Unable to update LACP rate because interface is up.\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + + if (bond->params.mode != BOND_MODE_8023AD) { + printk(KERN_ERR DRV_NAME + ": %s: Unable to update LACP rate because bond is not in 802.3ad mode.\n", + bond->dev->name); + ret = -EPERM; + goto out; + } + + new_value = bond_parse_parm((char *)buf, bond_lacp_tbl); + + if ((new_value == 1) || (new_value == 0)) { + bond->params.lacp_fast = new_value; + printk(KERN_INFO DRV_NAME + ": %s: Setting LACP rate to %s (%d).\n", + bond->dev->name, bond_lacp_tbl[new_value].modename, new_value); + } else { + printk(KERN_ERR DRV_NAME + ": %s: Ignoring invalid LACP rate value %.*s.\n", + bond->dev->name, (int)strlen(buf) - 1, buf); + ret = -EINVAL; + } +out: + return ret; +} +static CLASS_DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR, bonding_show_lacp, bonding_store_lacp); + +/* + * Show and set the MII monitor interval. There are two tricky bits + * here. First, if MII monitoring is activated, then we must disable + * ARP monitoring. Second, if the timer isn't running, we must + * start it. + */ +static ssize_t bonding_show_miimon(struct class_device *cd, char *buf) +{ + struct bonding *bond = to_bond(cd); + + return sprintf(buf, "%d\n", bond->params.miimon) + 1; +} + +static ssize_t bonding_store_miimon(struct class_device *cd, const char *buf, size_t count) +{ + int new_value, ret = count; + struct bonding *bond = to_bond(cd); + + if (sscanf(buf, "%d", &new_value) != 1) { + printk(KERN_ERR DRV_NAME + ": %s: no miimon value specified.\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + if (new_value < 0) { + printk(KERN_ERR DRV_NAME + ": %s: Invalid miimon value %d not in range %d-%d; rejected.\n", + bond->dev->name, new_value, 1, INT_MAX); + ret = -EINVAL; + goto out; + } else { + printk(KERN_INFO DRV_NAME + ": %s: Setting MII monitoring interval to %d.\n", + bond->dev->name, new_value); + bond->params.miimon = new_value; + if(bond->params.updelay) + printk(KERN_INFO DRV_NAME + ": %s: Note: Updating updelay (to %d) " + "since it is a multiple of the miimon value.\n", + bond->dev->name, + bond->params.updelay * bond->params.miimon); + if(bond->params.downdelay) + printk(KERN_INFO DRV_NAME + ": %s: Note: Updating downdelay (to %d) " + "since it is a multiple of the miimon value.\n", + bond->dev->name, + bond->params.downdelay * bond->params.miimon); + if (bond->params.arp_interval) { + printk(KERN_INFO DRV_NAME + ": %s: MII monitoring cannot be used with " + "ARP monitoring. Disabling ARP monitoring...\n", + bond->dev->name); + bond->params.arp_interval = 0; + /* Kill ARP timer, else it brings bond's link down */ + if (bond->mii_timer.function) { + printk(KERN_INFO DRV_NAME + ": %s: Kill ARP timer, else it brings bond's link down...\n", + bond->dev->name); + del_timer_sync(&bond->arp_timer); + } + } + + if (bond->dev->flags & IFF_UP) { + /* If the interface is up, we may need to fire off + * the MII timer. If the interface is down, the + * timer will get fired off when the open function + * is called. + */ + if (bond->mii_timer.function) { + /* The timer's already set up, so fire it off */ + mod_timer(&bond->mii_timer, jiffies + 1); + } else { + /* Set up the timer. */ + init_timer(&bond->mii_timer); + bond->mii_timer.expires = jiffies + 1; + bond->mii_timer.data = + (unsigned long) bond->dev; + bond->mii_timer.function = + (void *) &bond_mii_monitor; + add_timer(&bond->mii_timer); + } + } + } +out: + return ret; +} +static CLASS_DEVICE_ATTR(miimon, S_IRUGO | S_IWUSR, bonding_show_miimon, bonding_store_miimon); + +/* + * Show and set the primary slave. The store function is much + * simpler than bonding_store_slaves function because it only needs to + * handle one interface name. + * The bond must be a mode that supports a primary for this be + * set. + */ +static ssize_t bonding_show_primary(struct class_device *cd, char *buf) +{ + int count = 0; + struct bonding *bond = to_bond(cd); + + if (bond->primary_slave) + count = sprintf(buf, "%s\n", bond->primary_slave->dev->name) + 1; + else + count = sprintf(buf, "\n") + 1; + + return count; +} + +static ssize_t bonding_store_primary(struct class_device *cd, const char *buf, size_t count) +{ + int i; + struct slave *slave; + struct bonding *bond = to_bond(cd); + + write_lock_bh(&bond->lock); + if (!USES_PRIMARY(bond->params.mode)) { + printk(KERN_INFO DRV_NAME + ": %s: Unable to set primary slave; %s is in mode %d\n", + bond->dev->name, bond->dev->name, bond->params.mode); + } else { + bond_for_each_slave(bond, slave, i) { + if (strnicmp + (slave->dev->name, buf, + strlen(slave->dev->name)) == 0) { + printk(KERN_INFO DRV_NAME + ": %s: Setting %s as primary slave.\n", + bond->dev->name, slave->dev->name); + bond->primary_slave = slave; + bond_select_active_slave(bond); + goto out; + } + } + + /* if we got here, then we didn't match the name of any slave */ + + if (strlen(buf) == 0 || buf[0] == '\n') { + printk(KERN_INFO DRV_NAME + ": %s: Setting primary slave to None.\n", + bond->dev->name); + bond->primary_slave = 0; + bond_select_active_slave(bond); + } else { + printk(KERN_INFO DRV_NAME + ": %s: Unable to set %.*s as primary slave as it is not a slave.\n", + bond->dev->name, (int)strlen(buf) - 1, buf); + } + } +out: + write_unlock_bh(&bond->lock); + return count; +} +static CLASS_DEVICE_ATTR(primary, S_IRUGO | S_IWUSR, bonding_show_primary, bonding_store_primary); + +/* + * Show and set the use_carrier flag. + */ +static ssize_t bonding_show_carrier(struct class_device *cd, char *buf) +{ + struct bonding *bond = to_bond(cd); + + return sprintf(buf, "%d\n", bond->params.use_carrier) + 1; +} + +static ssize_t bonding_store_carrier(struct class_device *cd, const char *buf, size_t count) +{ + int new_value, ret = count; + struct bonding *bond = to_bond(cd); + + + if (sscanf(buf, "%d", &new_value) != 1) { + printk(KERN_ERR DRV_NAME + ": %s: no use_carrier value specified.\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + if ((new_value == 0) || (new_value == 1)) { + bond->params.use_carrier = new_value; + printk(KERN_INFO DRV_NAME ": %s: Setting use_carrier to %d.\n", + bond->dev->name, new_value); + } else { + printk(KERN_INFO DRV_NAME + ": %s: Ignoring invalid use_carrier value %d.\n", + bond->dev->name, new_value); + } +out: + return count; +} +static CLASS_DEVICE_ATTR(use_carrier, S_IRUGO | S_IWUSR, bonding_show_carrier, bonding_store_carrier); + + +/* + * Show and set currently active_slave. + */ +static ssize_t bonding_show_active_slave(struct class_device *cd, char *buf) +{ + struct slave *curr; + struct bonding *bond = to_bond(cd); + int count; + + + read_lock(&bond->curr_slave_lock); + curr = bond->curr_active_slave; + read_unlock(&bond->curr_slave_lock); + + if (USES_PRIMARY(bond->params.mode) && curr) + count = sprintf(buf, "%s\n", curr->dev->name) + 1; + else + count = sprintf(buf, "\n") + 1; + return count; +} + +static ssize_t bonding_store_active_slave(struct class_device *cd, const char *buf, size_t count) +{ + int i; + struct slave *slave; + struct slave *old_active = NULL; + struct slave *new_active = NULL; + struct bonding *bond = to_bond(cd); + + write_lock_bh(&bond->lock); + if (!USES_PRIMARY(bond->params.mode)) { + printk(KERN_INFO DRV_NAME + ": %s: Unable to change active slave; %s is in mode %d\n", + bond->dev->name, bond->dev->name, bond->params.mode); + } else { + bond_for_each_slave(bond, slave, i) { + if (strnicmp + (slave->dev->name, buf, + strlen(slave->dev->name)) == 0) { + old_active = bond->curr_active_slave; + new_active = slave; + if (new_active && (new_active == old_active)) { + /* do nothing */ + printk(KERN_INFO DRV_NAME + ": %s: %s is already the current active slave.\n", + bond->dev->name, slave->dev->name); + goto out; + } + else { + if ((new_active) && + (old_active) && + (new_active->link == BOND_LINK_UP) && + IS_UP(new_active->dev)) { + printk(KERN_INFO DRV_NAME + ": %s: Setting %s as active slave.\n", + bond->dev->name, slave->dev->name); + bond_change_active_slave(bond, new_active); + } + else { + printk(KERN_INFO DRV_NAME + ": %s: Could not set %s as active slave; " + "either %s is down or the link is down.\n", + bond->dev->name, slave->dev->name, + slave->dev->name); + } + goto out; + } + } + } + + /* if we got here, then we didn't match the name of any slave */ + + if (strlen(buf) == 0 || buf[0] == '\n') { + printk(KERN_INFO DRV_NAME + ": %s: Setting active slave to None.\n", + bond->dev->name); + bond->primary_slave = 0; + bond_select_active_slave(bond); + } else { + printk(KERN_INFO DRV_NAME + ": %s: Unable to set %.*s as active slave as it is not a slave.\n", + bond->dev->name, (int)strlen(buf) - 1, buf); + } + } +out: + write_unlock_bh(&bond->lock); + return count; + +} +static CLASS_DEVICE_ATTR(active_slave, S_IRUGO | S_IWUSR, bonding_show_active_slave, bonding_store_active_slave); + + +/* + * Show link status of the bond interface. + */ +static ssize_t bonding_show_mii_status(struct class_device *cd, char *buf) +{ + struct slave *curr; + struct bonding *bond = to_bond(cd); + + read_lock(&bond->curr_slave_lock); + curr = bond->curr_active_slave; + read_unlock(&bond->curr_slave_lock); + + return sprintf(buf, "%s\n", (curr) ? "up" : "down") + 1; +} +static CLASS_DEVICE_ATTR(mii_status, S_IRUGO, bonding_show_mii_status, NULL); + + +/* + * Show current 802.3ad aggregator ID. + */ +static ssize_t bonding_show_ad_aggregator(struct class_device *cd, char *buf) +{ + int count = 0; + struct bonding *bond = to_bond(cd); + + if (bond->params.mode == BOND_MODE_8023AD) { + struct ad_info ad_info; + count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0 : ad_info.aggregator_id) + 1; + } + else + count = sprintf(buf, "\n") + 1; + + return count; +} +static CLASS_DEVICE_ATTR(ad_aggregator, S_IRUGO, bonding_show_ad_aggregator, NULL); + + +/* + * Show number of active 802.3ad ports. + */ +static ssize_t bonding_show_ad_num_ports(struct class_device *cd, char *buf) +{ + int count = 0; + struct bonding *bond = to_bond(cd); + + if (bond->params.mode == BOND_MODE_8023AD) { + struct ad_info ad_info; + count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0: ad_info.ports) + 1; + } + else + count = sprintf(buf, "\n") + 1; + + return count; +} +static CLASS_DEVICE_ATTR(ad_num_ports, S_IRUGO, bonding_show_ad_num_ports, NULL); + + +/* + * Show current 802.3ad actor key. + */ +static ssize_t bonding_show_ad_actor_key(struct class_device *cd, char *buf) +{ + int count = 0; + struct bonding *bond = to_bond(cd); + + if (bond->params.mode == BOND_MODE_8023AD) { + struct ad_info ad_info; + count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0 : ad_info.actor_key) + 1; + } + else + count = sprintf(buf, "\n") + 1; + + return count; +} +static CLASS_DEVICE_ATTR(ad_actor_key, S_IRUGO, bonding_show_ad_actor_key, NULL); + + +/* + * Show current 802.3ad partner key. + */ +static ssize_t bonding_show_ad_partner_key(struct class_device *cd, char *buf) +{ + int count = 0; + struct bonding *bond = to_bond(cd); + + if (bond->params.mode == BOND_MODE_8023AD) { + struct ad_info ad_info; + count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0 : ad_info.partner_key) + 1; + } + else + count = sprintf(buf, "\n") + 1; + + return count; +} +static CLASS_DEVICE_ATTR(ad_partner_key, S_IRUGO, bonding_show_ad_partner_key, NULL); + + +/* + * Show current 802.3ad partner mac. + */ +static ssize_t bonding_show_ad_partner_mac(struct class_device *cd, char *buf) +{ + int count = 0; + struct bonding *bond = to_bond(cd); + + if (bond->params.mode == BOND_MODE_8023AD) { + struct ad_info ad_info; + if (!bond_3ad_get_active_agg_info(bond, &ad_info)) { + count = sprintf(buf,"%02x:%02x:%02x:%02x:%02x:%02x\n", + ad_info.partner_system[0], + ad_info.partner_system[1], + ad_info.partner_system[2], + ad_info.partner_system[3], + ad_info.partner_system[4], + ad_info.partner_system[5]) + 1; + } + } + else + count = sprintf(buf, "\n") + 1; + + return count; +} +static CLASS_DEVICE_ATTR(ad_partner_mac, S_IRUGO, bonding_show_ad_partner_mac, NULL); + + + +static struct attribute *per_bond_attrs[] = { + &class_device_attr_slaves.attr, + &class_device_attr_mode.attr, + &class_device_attr_arp_interval.attr, + &class_device_attr_arp_ip_target.attr, + &class_device_attr_downdelay.attr, + &class_device_attr_updelay.attr, + &class_device_attr_lacp_rate.attr, + &class_device_attr_xmit_hash_policy.attr, + &class_device_attr_miimon.attr, + &class_device_attr_primary.attr, + &class_device_attr_use_carrier.attr, + &class_device_attr_active_slave.attr, + &class_device_attr_mii_status.attr, + &class_device_attr_ad_aggregator.attr, + &class_device_attr_ad_num_ports.attr, + &class_device_attr_ad_actor_key.attr, + &class_device_attr_ad_partner_key.attr, + &class_device_attr_ad_partner_mac.attr, + NULL, +}; + +static struct attribute_group bonding_group = { + .name = "bonding", + .attrs = per_bond_attrs, +}; + +/* + * Initialize sysfs. This sets up the bonding_masters file in + * /sys/class/net. + */ +int bond_create_sysfs(void) +{ + int ret = 0; + struct bonding *firstbond; + + init_rwsem(&bonding_rwsem); + + /* get the netdev class pointer */ + firstbond = container_of(bond_dev_list.next, struct bonding, bond_list); + if (!firstbond) + return -ENODEV; + + netdev_class = firstbond->dev->class_dev.class; + if (!netdev_class) + return -ENODEV; + + ret = class_create_file(netdev_class, &class_attr_bonding_masters); + + return ret; + +} + +/* + * Remove /sys/class/net/bonding_masters. + */ +void bond_destroy_sysfs(void) +{ + if (netdev_class) + class_remove_file(netdev_class, &class_attr_bonding_masters); +} + +/* + * Initialize sysfs for each bond. This sets up and registers + * the 'bondctl' directory for each individual bond under /sys/class/net. + */ +int bond_create_sysfs_entry(struct bonding *bond) +{ + struct net_device *dev = bond->dev; + int err; + + err = sysfs_create_group(&(dev->class_dev.kobj), &bonding_group); + if (err) { + printk(KERN_EMERG "eek! didn't create group!\n"); + } + + if (expected_refcount < 1) + expected_refcount = atomic_read(&bond->dev->class_dev.kobj.kref.refcount); + + return err; +} +/* + * Remove sysfs entries for each bond. + */ +void bond_destroy_sysfs_entry(struct bonding *bond) +{ + struct net_device *dev = bond->dev; + + sysfs_remove_group(&(dev->class_dev.kobj), &bonding_group); +} + diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 1433e91db0f..3dd78d048c3 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -10,25 +10,6 @@ * This software may be used and distributed according to the terms * of the GNU Public License, incorporated herein by reference. * - * - * 2003/03/18 - Amir Noam <amir.noam at intel dot com>, - * Tsippy Mendelson <tsippy.mendelson at intel dot com> and - * Shmulik Hen <shmulik.hen at intel dot com> - * - Added support for IEEE 802.3ad Dynamic link aggregation mode. - * - * 2003/05/01 - Tsippy Mendelson <tsippy.mendelson at intel dot com> and - * Amir Noam <amir.noam at intel dot com> - * - Code beautification and style changes (mainly in comments). - * - * 2003/05/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Added support for Transmit load balancing mode. - * - * 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com> - * - Code cleanup and style changes - * - * 2005/05/05 - Jason Gabler <jygabler at lbl dot gov> - * - added "xmit_policy" kernel parameter for alternate hashing policy - * support for mode 2 */ #ifndef _LINUX_BONDING_H @@ -37,11 +18,12 @@ #include <linux/timer.h> #include <linux/proc_fs.h> #include <linux/if_bonding.h> +#include <linux/kobject.h> #include "bond_3ad.h" #include "bond_alb.h" -#define DRV_VERSION "2.6.5" -#define DRV_RELDATE "November 4, 2005" +#define DRV_VERSION "3.0.1" +#define DRV_RELDATE "January 9, 2006" #define DRV_NAME "bonding" #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver" @@ -152,6 +134,11 @@ struct bond_params { u32 arp_targets[BOND_MAX_ARP_TARGETS]; }; +struct bond_parm_tbl { + char *modename; + int mode; +}; + struct vlan_entry { struct list_head vlan_list; u32 vlan_ip; @@ -159,7 +146,7 @@ struct vlan_entry { }; struct slave { - struct net_device *dev; /* first - usefull for panic debug */ + struct net_device *dev; /* first - useful for panic debug */ struct slave *next; struct slave *prev; s16 delay; @@ -185,7 +172,7 @@ struct slave { * beforehand. */ struct bonding { - struct net_device *dev; /* first - usefull for panic debug */ + struct net_device *dev; /* first - useful for panic debug */ struct slave *first_slave; struct slave *curr_active_slave; struct slave *current_arp_slave; @@ -218,7 +205,7 @@ struct bonding { * * Caller must hold bond lock for read */ -extern inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct net_device *slave_dev) +static inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct net_device *slave_dev) { struct slave *slave = NULL; int i; @@ -232,7 +219,7 @@ extern inline struct slave *bond_get_slave_by_dev(struct bonding *bond, struct n return slave; } -extern inline struct bonding *bond_get_bond_by_slave(struct slave *slave) +static inline struct bonding *bond_get_bond_by_slave(struct slave *slave) { if (!slave || !slave->dev->master) { return NULL; @@ -241,13 +228,13 @@ extern inline struct bonding *bond_get_bond_by_slave(struct slave *slave) return (struct bonding *)slave->dev->master->priv; } -extern inline void bond_set_slave_inactive_flags(struct slave *slave) +static inline void bond_set_slave_inactive_flags(struct slave *slave) { slave->state = BOND_STATE_BACKUP; slave->dev->flags |= IFF_NOARP; } -extern inline void bond_set_slave_active_flags(struct slave *slave) +static inline void bond_set_slave_active_flags(struct slave *slave) { slave->state = BOND_STATE_ACTIVE; slave->dev->flags &= ~IFF_NOARP; @@ -255,6 +242,25 @@ extern inline void bond_set_slave_active_flags(struct slave *slave) struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr); int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev); +int bond_create(char *name, struct bond_params *params, struct bonding **newbond); +void bond_deinit(struct net_device *bond_dev); +int bond_create_sysfs(void); +void bond_destroy_sysfs(void); +void bond_destroy_sysfs_entry(struct bonding *bond); +int bond_create_sysfs_entry(struct bonding *bond); +int bond_create_slave_symlinks(struct net_device *master, struct net_device *slave); +void bond_destroy_slave_symlinks(struct net_device *master, struct net_device *slave); +int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev); +int bond_release(struct net_device *bond_dev, struct net_device *slave_dev); +int bond_sethwaddr(struct net_device *bond_dev, struct net_device *slave_dev); +void bond_mii_monitor(struct net_device *bond_dev); +void bond_loadbalance_arp_mon(struct net_device *bond_dev); +void bond_activebackup_arp_mon(struct net_device *bond_dev); +void bond_set_mode_ops(struct bonding *bond, int mode); +int bond_parse_parm(char *mode_arg, struct bond_parm_tbl *tbl); +const char *bond_mode_name(int mode); +void bond_select_active_slave(struct bonding *bond); +void bond_change_active_slave(struct bonding *bond, struct slave *new_active); #endif /* _LINUX_BONDING_H */ diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 1f7ca453bb4..6e295fce5c6 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -335,6 +335,30 @@ static inline void cas_mask_intr(struct cas *cp) cas_disable_irq(cp, i); } +static inline void cas_buffer_init(cas_page_t *cp) +{ + struct page *page = cp->buffer; + atomic_set((atomic_t *)&page->lru.next, 1); +} + +static inline int cas_buffer_count(cas_page_t *cp) +{ + struct page *page = cp->buffer; + return atomic_read((atomic_t *)&page->lru.next); +} + +static inline void cas_buffer_inc(cas_page_t *cp) +{ + struct page *page = cp->buffer; + atomic_inc((atomic_t *)&page->lru.next); +} + +static inline void cas_buffer_dec(cas_page_t *cp) +{ + struct page *page = cp->buffer; + atomic_dec((atomic_t *)&page->lru.next); +} + static void cas_enable_irq(struct cas *cp, const int ring) { if (ring == 0) { /* all but TX_DONE */ @@ -472,6 +496,7 @@ static int cas_page_free(struct cas *cp, cas_page_t *page) { pci_unmap_page(cp->pdev, page->dma_addr, cp->page_size, PCI_DMA_FROMDEVICE); + cas_buffer_dec(page); __free_pages(page->buffer, cp->page_order); kfree(page); return 0; @@ -501,6 +526,7 @@ static cas_page_t *cas_page_alloc(struct cas *cp, const gfp_t flags) page->buffer = alloc_pages(flags, cp->page_order); if (!page->buffer) goto page_err; + cas_buffer_init(page); page->dma_addr = pci_map_page(cp->pdev, page->buffer, 0, cp->page_size, PCI_DMA_FROMDEVICE); return page; @@ -579,7 +605,7 @@ static void cas_spare_recover(struct cas *cp, const gfp_t flags) list_for_each_safe(elem, tmp, &list) { cas_page_t *page = list_entry(elem, cas_page_t, list); - if (page_count(page->buffer) > 1) + if (cas_buffer_count(page) > 1) continue; list_del(elem); @@ -1347,7 +1373,7 @@ static inline cas_page_t *cas_page_spare(struct cas *cp, const int index) cas_page_t *page = cp->rx_pages[1][index]; cas_page_t *new; - if (page_count(page->buffer) == 1) + if (cas_buffer_count(page) == 1) return page; new = cas_page_dequeue(cp); @@ -1367,7 +1393,7 @@ static cas_page_t *cas_page_swap(struct cas *cp, const int ring, cas_page_t **page1 = cp->rx_pages[1]; /* swap if buffer is in use */ - if (page_count(page0[index]->buffer) > 1) { + if (cas_buffer_count(page0[index]) > 1) { cas_page_t *new = cas_page_spare(cp, index); if (new) { page1[index] = page0[index]; @@ -1925,8 +1951,8 @@ static void cas_tx(struct net_device *dev, struct cas *cp, u64 compwb = le64_to_cpu(cp->init_block->tx_compwb); #endif if (netif_msg_intr(cp)) - printk(KERN_DEBUG "%s: tx interrupt, status: 0x%x, %lx\n", - cp->dev->name, status, compwb); + printk(KERN_DEBUG "%s: tx interrupt, status: 0x%x, %llx\n", + cp->dev->name, status, (unsigned long long)compwb); /* process all the rings */ for (ring = 0; ring < N_TX_RINGS; ring++) { #ifdef USE_TX_COMPWB @@ -2039,6 +2065,7 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc, skb->len += hlen - swivel; get_page(page->buffer); + cas_buffer_inc(page); frag->page = page->buffer; frag->page_offset = off; frag->size = hlen - swivel; @@ -2063,6 +2090,7 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc, frag++; get_page(page->buffer); + cas_buffer_inc(page); frag->page = page->buffer; frag->page_offset = 0; frag->size = hlen; @@ -2225,7 +2253,7 @@ static int cas_post_rxds_ringN(struct cas *cp, int ring, int num) released = 0; while (entry != last) { /* make a new buffer if it's still in use */ - if (page_count(page[entry]->buffer) > 1) { + if (cas_buffer_count(page[entry]) > 1) { cas_page_t *new = cas_page_dequeue(cp); if (!new) { /* let the timer know that we need to diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c index 53b41d99b00..2c5b849b7ba 100644 --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -1332,8 +1332,8 @@ intr_handler_t t1_select_intr_handler(adapter_t *adapter) * * This runs with softirqs disabled. */ -unsigned int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter, - unsigned int qid, struct net_device *dev) +static int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter, + unsigned int qid, struct net_device *dev) { struct sge *sge = adapter->sge; struct cmdQ *q = &sge->cmdQ[qid]; @@ -1352,9 +1352,10 @@ unsigned int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter, set_bit(dev->if_port, &sge->stopped_tx_queues); sge->stats.cmdQ_full[3]++; spin_unlock(&q->lock); - CH_ERR("%s: Tx ring full while queue awake!\n", - adapter->name); - return 1; + if (!netif_queue_stopped(dev)) + CH_ERR("%s: Tx ring full while queue awake!\n", + adapter->name); + return NETDEV_TX_BUSY; } if (unlikely(credits - count < q->stop_thres)) { sge->stats.cmdQ_full[3]++; @@ -1389,7 +1390,7 @@ unsigned int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter, writel(F_CMDQ0_ENABLE, adapter->regs + A_SG_DOORBELL); } } - return 0; + return NETDEV_TX_OK; } #define MK_ETH_TYPE_MSS(type, mss) (((mss) & 0x3FFF) | ((type) << 14)) @@ -1449,7 +1450,7 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) if (unlikely(skb->len < ETH_HLEN || skb->len > dev->mtu + eth_hdr_len(skb->data))) { dev_kfree_skb_any(skb); - return NET_XMIT_SUCCESS; + return NETDEV_TX_OK; } /* @@ -1467,7 +1468,7 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) skb = skb_realloc_headroom(skb, sizeof(*cpl)); dev_kfree_skb_any(orig_skb); if (!skb) - return -ENOMEM; + return NETDEV_TX_OK; } if (!(adapter->flags & UDP_CSUM_CAPABLE) && @@ -1475,7 +1476,7 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev) skb->nh.iph->protocol == IPPROTO_UDP) if (unlikely(skb_checksum_help(skb, 0))) { dev_kfree_skb_any(skb); - return -ENOMEM; + return NETDEV_TX_OK; } /* Hmmm, assuming to catch the gratious arp... and we'll use diff --git a/drivers/net/chelsio/sge.h b/drivers/net/chelsio/sge.h index 434b2558685..6d0d24a6364 100644 --- a/drivers/net/chelsio/sge.h +++ b/drivers/net/chelsio/sge.h @@ -89,8 +89,6 @@ int t1_sge_configure(struct sge *, struct sge_params *); int t1_sge_set_coalesce_params(struct sge *, struct sge_params *); void t1_sge_destroy(struct sge *); intr_handler_t t1_select_intr_handler(adapter_t *adapter); -unsigned int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter, - unsigned int qid, struct net_device *netdev); int t1_start_xmit(struct sk_buff *skb, struct net_device *dev); void t1_set_vlan_accel(struct adapter *adapter, int on_off); void t1_sge_start(struct sge *); diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index a6078ad9b65..ef54ebeb29b 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -87,6 +87,15 @@ Deepak Saxena : dsaxena@plexity.net : Intel IXDP2x01 (XScale ixp2x00 NPU) platform support + Dmitry Pervushin : dpervushin@ru.mvista.com + : PNX010X platform support + + Deepak Saxena : dsaxena@plexity.net + : Intel IXDP2351 platform support + + Dmitry Pervushin : dpervushin@ru.mvista.com + : PNX010X platform support + */ /* Always include 'config.h' first in case the user wants to turn on @@ -100,7 +109,7 @@ * Note that even if DMA is turned off we still support the 'dma' and 'use_dma' * module options so we don't break any startup scripts. */ -#ifndef CONFIG_ARCH_IXDP2X01 +#ifndef CONFIG_ISA_DMA_API #define ALLOW_DMA 0 #else #define ALLOW_DMA 1 @@ -171,11 +180,15 @@ static unsigned int cs8900_irq_map[] = {12,0,0,0}; static unsigned int netcard_portlist[] __initdata = { 0x0300, 0}; static unsigned int cs8900_irq_map[] = {1,0,0,0}; +#elif defined(CONFIG_MACH_IXDP2351) +static unsigned int netcard_portlist[] __initdata = {IXDP2351_VIRT_CS8900_BASE, 0}; +static unsigned int cs8900_irq_map[] = {IRQ_IXDP2351_CS8900, 0, 0, 0}; +#include <asm/irq.h> #elif defined(CONFIG_ARCH_IXDP2X01) #include <asm/irq.h> static unsigned int netcard_portlist[] __initdata = {IXDP2X01_CS8900_VIRT_BASE, 0}; static unsigned int cs8900_irq_map[] = {IRQ_IXDP2X01_CS8900, 0, 0, 0}; -#elif defined(CONFIG_ARCH_PNX0105) +#elif defined(CONFIG_ARCH_PNX010X) #include <asm/irq.h> #include <asm/arch/gpio.h> #define CIRRUS_DEFAULT_BASE IO_ADDRESS(EXT_STATIC2_s0_BASE + 0x200000) /* = Physical address 0x48200000 */ @@ -338,30 +351,96 @@ out: } #endif -static int -readreg(struct net_device *dev, int portno) +#if defined(CONFIG_MACH_IXDP2351) +static u16 +readword(unsigned long base_addr, int portno) { - outw(portno, dev->base_addr + ADD_PORT); - return inw(dev->base_addr + DATA_PORT); + return __raw_readw(base_addr + (portno << 1)); } static void -writereg(struct net_device *dev, int portno, int value) +writeword(unsigned long base_addr, int portno, u16 value) { - outw(portno, dev->base_addr + ADD_PORT); - outw(value, dev->base_addr + DATA_PORT); + __raw_writew(value, base_addr + (portno << 1)); +} +#elif defined(CONFIG_ARCH_IXDP2X01) +static u16 +readword(unsigned long base_addr, int portno) +{ + return __raw_readl(base_addr + (portno << 1)); } -static int -readword(struct net_device *dev, int portno) +static void +writeword(unsigned long base_addr, int portno, u16 value) +{ + __raw_writel(value, base_addr + (portno << 1)); +} +#elif defined(CONFIG_ARCH_PNX010X) +static u16 +readword(unsigned long base_addr, int portno) +{ + return inw(base_addr + (portno << 1)); +} + +static void +writeword(unsigned long base_addr, int portno, u16 value) +{ + outw(value, base_addr + (portno << 1)); +} +#else +static u16 +readword(unsigned long base_addr, int portno) +{ + return inw(base_addr + portno); +} + +static void +writeword(unsigned long base_addr, int portno, u16 value) +{ + outw(value, base_addr + portno); +} +#endif + +static void +readwords(unsigned long base_addr, int portno, void *buf, int length) +{ + u8 *buf8 = (u8 *)buf; + + do { + u16 tmp16; + + tmp16 = readword(base_addr, portno); + *buf8++ = (u8)tmp16; + *buf8++ = (u8)(tmp16 >> 8); + } while (--length); +} + +static void +writewords(unsigned long base_addr, int portno, void *buf, int length) +{ + u8 *buf8 = (u8 *)buf; + + do { + u16 tmp16; + + tmp16 = *buf8++; + tmp16 |= (*buf8++) << 8; + writeword(base_addr, portno, tmp16); + } while (--length); +} + +static u16 +readreg(struct net_device *dev, u16 regno) { - return inw(dev->base_addr + portno); + writeword(dev->base_addr, ADD_PORT, regno); + return readword(dev->base_addr, DATA_PORT); } static void -writeword(struct net_device *dev, int portno, int value) +writereg(struct net_device *dev, u16 regno, u16 value) { - outw(value, dev->base_addr + portno); + writeword(dev->base_addr, ADD_PORT, regno); + writeword(dev->base_addr, DATA_PORT, value); } static int __init @@ -456,7 +535,7 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) #endif } -#ifdef CONFIG_ARCH_PNX0105 +#ifdef CONFIG_ARCH_PNX010X initialize_ebi(); /* Map GPIO registers for the pins connected to the CS8900a. */ @@ -491,8 +570,8 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) #ifdef CONFIG_SH_HICOSH4 /* truely reset the chip */ - outw(0x0114, ioaddr + ADD_PORT); - outw(0x0040, ioaddr + DATA_PORT); + writeword(ioaddr, ADD_PORT, 0x0114); + writeword(ioaddr, DATA_PORT, 0x0040); #endif /* if they give us an odd I/O address, then do ONE write to @@ -503,24 +582,24 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) if (net_debug > 1) printk(KERN_INFO "%s: odd ioaddr 0x%x\n", dev->name, ioaddr); if ((ioaddr & 2) != 2) - if ((inw((ioaddr & ~3)+ ADD_PORT) & ADD_MASK) != ADD_SIG) { + if ((readword(ioaddr & ~3, ADD_PORT) & ADD_MASK) != ADD_SIG) { printk(KERN_ERR "%s: bad signature 0x%x\n", - dev->name, inw((ioaddr & ~3)+ ADD_PORT)); + dev->name, readword(ioaddr & ~3, ADD_PORT)); retval = -ENODEV; goto out2; } } - printk(KERN_DEBUG "PP_addr at %x: 0x%x\n", - ioaddr + ADD_PORT, inw(ioaddr + ADD_PORT)); + printk(KERN_DEBUG "PP_addr at %x[%x]: 0x%x\n", + ioaddr, ADD_PORT, readword(ioaddr, ADD_PORT)); ioaddr &= ~3; - outw(PP_ChipID, ioaddr + ADD_PORT); + writeword(ioaddr, ADD_PORT, PP_ChipID); - tmp = inw(ioaddr + DATA_PORT); + tmp = readword(ioaddr, DATA_PORT); if (tmp != CHIP_EISA_ID_SIG) { - printk(KERN_DEBUG "%s: incorrect signature at %x: 0x%x!=" + printk(KERN_DEBUG "%s: incorrect signature at %x[%x]: 0x%x!=" CHIP_EISA_ID_SIG_STR "\n", - dev->name, ioaddr + DATA_PORT, tmp); + dev->name, ioaddr, DATA_PORT, tmp); retval = -ENODEV; goto out2; } @@ -724,7 +803,7 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) } else { i = lp->isa_config & INT_NO_MASK; if (lp->chip_type == CS8900) { -#if defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX0105) +#if defined(CONFIG_MACH_IXDP2351) || defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX010X) i = cs8900_irq_map[0]; #else /* Translate the IRQ using the IRQ mapping table. */ @@ -790,7 +869,7 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) goto out3; return 0; out3: - outw(PP_ChipID, dev->base_addr + ADD_PORT); + writeword(dev->base_addr, ADD_PORT, PP_ChipID); out2: release_region(ioaddr & ~3, NETCARD_IO_EXTENT); out1: @@ -956,7 +1035,7 @@ skip_this_frame: void __init reset_chip(struct net_device *dev) { -#ifndef CONFIG_ARCH_IXDP2X01 +#if !defined(CONFIG_MACH_IXDP2351) && !defined(CONFIG_ARCH_IXDP2X01) struct net_local *lp = netdev_priv(dev); int ioaddr = dev->base_addr; #endif @@ -967,14 +1046,14 @@ void __init reset_chip(struct net_device *dev) /* wait 30 ms */ msleep(30); -#ifndef CONFIG_ARCH_IXDP2X01 +#if !defined(CONFIG_MACH_IXDP2351) && !defined(CONFIG_ARCH_IXDP2X01) if (lp->chip_type != CS8900) { /* Hardware problem requires PNP registers to be reconfigured after a reset */ - outw(PP_CS8920_ISAINT, ioaddr + ADD_PORT); + writeword(ioaddr, ADD_PORT, PP_CS8920_ISAINT); outb(dev->irq, ioaddr + DATA_PORT); outb(0, ioaddr + DATA_PORT + 1); - outw(PP_CS8920_ISAMemB, ioaddr + ADD_PORT); + writeword(ioaddr, ADD_PORT, PP_CS8920_ISAMemB); outb((dev->mem_start >> 16) & 0xff, ioaddr + DATA_PORT); outb((dev->mem_start >> 8) & 0xff, ioaddr + DATA_PORT + 1); } @@ -1104,8 +1183,8 @@ send_test_pkt(struct net_device *dev) memcpy(test_packet, dev->dev_addr, ETH_ALEN); memcpy(test_packet+ETH_ALEN, dev->dev_addr, ETH_ALEN); - writeword(dev, TX_CMD_PORT, TX_AFTER_ALL); - writeword(dev, TX_LEN_PORT, ETH_ZLEN); + writeword(dev->base_addr, TX_CMD_PORT, TX_AFTER_ALL); + writeword(dev->base_addr, TX_LEN_PORT, ETH_ZLEN); /* Test to see if the chip has allocated memory for the packet */ while (jiffies - timenow < 5) @@ -1115,7 +1194,7 @@ send_test_pkt(struct net_device *dev) return 0; /* this shouldn't happen */ /* Write the contents of the packet */ - outsw(dev->base_addr + TX_FRAME_PORT,test_packet,(ETH_ZLEN+1) >>1); + writewords(dev->base_addr, TX_FRAME_PORT,test_packet,(ETH_ZLEN+1) >>1); if (net_debug > 1) printk("Sending test packet "); /* wait a couple of jiffies for packet to be received */ @@ -1200,7 +1279,7 @@ net_open(struct net_device *dev) int i; int ret; -#if !defined(CONFIG_SH_HICOSH4) && !defined(CONFIG_ARCH_PNX0105) /* uses irq#1, so this won't work */ +#if !defined(CONFIG_SH_HICOSH4) && !defined(CONFIG_ARCH_PNX010X) /* uses irq#1, so this won't work */ if (dev->irq < 2) { /* Allow interrupts to be generated by the chip */ /* Cirrus' release had this: */ @@ -1231,7 +1310,7 @@ net_open(struct net_device *dev) else #endif { -#if !defined(CONFIG_ARCH_IXDP2X01) && !defined(CONFIG_ARCH_PNX0105) +#if !defined(CONFIG_MACH_IXDP2351) && !defined(CONFIG_ARCH_IXDP2X01) && !defined(CONFIG_ARCH_PNX010X) if (((1 << dev->irq) & lp->irq_map) == 0) { printk(KERN_ERR "%s: IRQ %d is not in our map of allowable IRQs, which is %x\n", dev->name, dev->irq, lp->irq_map); @@ -1316,7 +1395,7 @@ net_open(struct net_device *dev) case A_CNF_MEDIA_10B_2: result = lp->adapter_cnf & A_CNF_10B_2; break; default: result = lp->adapter_cnf & (A_CNF_10B_T | A_CNF_AUI | A_CNF_10B_2); } -#ifdef CONFIG_ARCH_PNX0105 +#ifdef CONFIG_ARCH_PNX010X result = A_CNF_10B_T; #endif if (!result) { @@ -1457,8 +1536,8 @@ static int net_send_packet(struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); /* initiate a transmit sequence */ - writeword(dev, TX_CMD_PORT, lp->send_cmd); - writeword(dev, TX_LEN_PORT, skb->len); + writeword(dev->base_addr, TX_CMD_PORT, lp->send_cmd); + writeword(dev->base_addr, TX_LEN_PORT, skb->len); /* Test to see if the chip has allocated memory for the packet */ if ((readreg(dev, PP_BusST) & READY_FOR_TX_NOW) == 0) { @@ -1472,7 +1551,7 @@ static int net_send_packet(struct sk_buff *skb, struct net_device *dev) return 1; } /* Write the contents of the packet */ - outsw(dev->base_addr + TX_FRAME_PORT,skb->data,(skb->len+1) >>1); + writewords(dev->base_addr, TX_FRAME_PORT,skb->data,(skb->len+1) >>1); spin_unlock_irq(&lp->lock); lp->stats.tx_bytes += skb->len; dev->trans_start = jiffies; @@ -1512,7 +1591,7 @@ static irqreturn_t net_interrupt(int irq, void *dev_id, struct pt_regs * regs) course, if you're on a slow machine, and packets are arriving faster than you can read them off, you're screwed. Hasta la vista, baby! */ - while ((status = readword(dev, ISQ_PORT))) { + while ((status = readword(dev->base_addr, ISQ_PORT))) { if (net_debug > 4)printk("%s: event=%04x\n", dev->name, status); handled = 1; switch(status & ISQ_EVENT_MASK) { @@ -1606,8 +1685,8 @@ net_rx(struct net_device *dev) int status, length; int ioaddr = dev->base_addr; - status = inw(ioaddr + RX_FRAME_PORT); - length = inw(ioaddr + RX_FRAME_PORT); + status = readword(ioaddr, RX_FRAME_PORT); + length = readword(ioaddr, RX_FRAME_PORT); if ((status & RX_OK) == 0) { count_rx_errors(status, lp); @@ -1626,9 +1705,9 @@ net_rx(struct net_device *dev) skb_reserve(skb, 2); /* longword align L3 header */ skb->dev = dev; - insw(ioaddr + RX_FRAME_PORT, skb_put(skb, length), length >> 1); + readwords(ioaddr, RX_FRAME_PORT, skb_put(skb, length), length >> 1); if (length & 1) - skb->data[length-1] = inw(ioaddr + RX_FRAME_PORT); + skb->data[length-1] = readword(ioaddr, RX_FRAME_PORT); if (net_debug > 3) { printk( "%s: received %d byte packet of type %x\n", @@ -1901,7 +1980,7 @@ void cleanup_module(void) { unregister_netdev(dev_cs89x0); - outw(PP_ChipID, dev_cs89x0->base_addr + ADD_PORT); + writeword(dev_cs89x0->base_addr, ADD_PORT, PP_ChipID); release_region(dev_cs89x0->base_addr, NETCARD_IO_EXTENT); free_netdev(dev_cs89x0); } diff --git a/drivers/net/cs89x0.h b/drivers/net/cs89x0.h index decea264f12..bd954aaa636 100644 --- a/drivers/net/cs89x0.h +++ b/drivers/net/cs89x0.h @@ -16,13 +16,6 @@ #include <linux/config.h> -#if defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX0105) -/* IXDP2401/IXDP2801 uses dword-aligned register addressing */ -#define CS89x0_PORT(reg) ((reg) * 2) -#else -#define CS89x0_PORT(reg) (reg) -#endif - #define PP_ChipID 0x0000 /* offset 0h -> Corp -ID */ /* offset 2h -> Model/Product Number */ /* offset 3h -> Chip Revision Number */ @@ -332,16 +325,16 @@ #define RAM_SIZE 0x1000 /* The card has 4k bytes or RAM */ #define PKT_START PP_TxFrame /* Start of packet RAM */ -#define RX_FRAME_PORT CS89x0_PORT(0x0000) +#define RX_FRAME_PORT 0x0000 #define TX_FRAME_PORT RX_FRAME_PORT -#define TX_CMD_PORT CS89x0_PORT(0x0004) +#define TX_CMD_PORT 0x0004 #define TX_NOW 0x0000 /* Tx packet after 5 bytes copied */ #define TX_AFTER_381 0x0040 /* Tx packet after 381 bytes copied */ #define TX_AFTER_ALL 0x00c0 /* Tx packet after all bytes copied */ -#define TX_LEN_PORT CS89x0_PORT(0x0006) -#define ISQ_PORT CS89x0_PORT(0x0008) -#define ADD_PORT CS89x0_PORT(0x000A) -#define DATA_PORT CS89x0_PORT(0x000C) +#define TX_LEN_PORT 0x0006 +#define ISQ_PORT 0x0008 +#define ADD_PORT 0x000A +#define DATA_PORT 0x000C #define EEPROM_WRITE_EN 0x00F0 #define EEPROM_WRITE_DIS 0x0000 diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 22cd0455670..bf1fd2b98bf 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -1,25 +1,25 @@ /******************************************************************************* - + Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - - This program is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by the Free - Software Foundation; either version 2 of the License, or (at your option) + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) any later version. - - This program is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., 59 + this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - + The full GNU General Public License is included in this distribution in the file called LICENSE. - + Contact Information: Linux NICS <linux.nics@intel.com> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 @@ -132,6 +132,10 @@ * TODO: * o several entry points race with dev->close * o check for tx-no-resources/stop Q races with tx clean/wake Q + * + * FIXES: + * 2005/12/02 - Michael O'Donnell <Michael.ODonnell at stratus dot com> + * - Stratus87247: protect MDI control register manipulations */ #include <linux/config.h> @@ -156,7 +160,7 @@ #define DRV_NAME "e100" #define DRV_EXT "-NAPI" -#define DRV_VERSION "3.4.14-k4"DRV_EXT +#define DRV_VERSION "3.5.10-k2"DRV_EXT #define DRV_DESCRIPTION "Intel(R) PRO/100 Network Driver" #define DRV_COPYRIGHT "Copyright(c) 1999-2005 Intel Corporation" #define PFX DRV_NAME ": " @@ -316,7 +320,7 @@ enum cuc_dump { cuc_dump_complete = 0x0000A005, cuc_dump_reset_complete = 0x0000A007, }; - + enum port { software_reset = 0x0000, selftest = 0x0001, @@ -578,6 +582,7 @@ struct nic { u16 leds; u16 eeprom_wc; u16 eeprom[256]; + spinlock_t mdio_lock; }; static inline void e100_write_flush(struct nic *nic) @@ -587,7 +592,7 @@ static inline void e100_write_flush(struct nic *nic) (void)readb(&nic->csr->scb.status); } -static inline void e100_enable_irq(struct nic *nic) +static void e100_enable_irq(struct nic *nic) { unsigned long flags; @@ -597,7 +602,7 @@ static inline void e100_enable_irq(struct nic *nic) e100_write_flush(nic); } -static inline void e100_disable_irq(struct nic *nic) +static void e100_disable_irq(struct nic *nic) { unsigned long flags; @@ -710,10 +715,10 @@ static u16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr) ctrl = (cmd_addr_data & (1 << i)) ? eecs | eedi : eecs; writeb(ctrl, &nic->csr->eeprom_ctrl_lo); e100_write_flush(nic); udelay(4); - + writeb(ctrl | eesk, &nic->csr->eeprom_ctrl_lo); e100_write_flush(nic); udelay(4); - + /* Eeprom drives a dummy zero to EEDO after receiving * complete address. Use this to adjust addr_len. */ ctrl = readb(&nic->csr->eeprom_ctrl_lo); @@ -721,7 +726,7 @@ static u16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr) *addr_len -= (i - 16); i = 17; } - + data = (data << 1) | (ctrl & eedo ? 1 : 0); } @@ -786,7 +791,7 @@ static int e100_eeprom_save(struct nic *nic, u16 start, u16 count) #define E100_WAIT_SCB_TIMEOUT 20000 /* we might have to wait 100ms!!! */ #define E100_WAIT_SCB_FAST 20 /* delay like the old code */ -static inline int e100_exec_cmd(struct nic *nic, u8 cmd, dma_addr_t dma_addr) +static int e100_exec_cmd(struct nic *nic, u8 cmd, dma_addr_t dma_addr) { unsigned long flags; unsigned int i; @@ -817,7 +822,7 @@ err_unlock: return err; } -static inline int e100_exec_cb(struct nic *nic, struct sk_buff *skb, +static int e100_exec_cb(struct nic *nic, struct sk_buff *skb, void (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *)) { struct cb *cb; @@ -876,15 +881,35 @@ static u16 mdio_ctrl(struct nic *nic, u32 addr, u32 dir, u32 reg, u16 data) { u32 data_out = 0; unsigned int i; + unsigned long flags; + + /* + * Stratus87247: we shouldn't be writing the MDI control + * register until the Ready bit shows True. Also, since + * manipulation of the MDI control registers is a multi-step + * procedure it should be done under lock. + */ + spin_lock_irqsave(&nic->mdio_lock, flags); + for (i = 100; i; --i) { + if (readl(&nic->csr->mdi_ctrl) & mdi_ready) + break; + udelay(20); + } + if (unlikely(!i)) { + printk("e100.mdio_ctrl(%s) won't go Ready\n", + nic->netdev->name ); + spin_unlock_irqrestore(&nic->mdio_lock, flags); + return 0; /* No way to indicate timeout error */ + } writel((reg << 16) | (addr << 21) | dir | data, &nic->csr->mdi_ctrl); - for(i = 0; i < 100; i++) { + for (i = 0; i < 100; i++) { udelay(20); - if((data_out = readl(&nic->csr->mdi_ctrl)) & mdi_ready) + if ((data_out = readl(&nic->csr->mdi_ctrl)) & mdi_ready) break; } - + spin_unlock_irqrestore(&nic->mdio_lock, flags); DPRINTK(HW, DEBUG, "%s:addr=%d, reg=%d, data_in=0x%04X, data_out=0x%04X\n", dir == mdi_read ? "READ" : "WRITE", addr, reg, data, data_out); @@ -1145,7 +1170,7 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb) 0x00000000, 0x00000000, 0x00000000, 0x00000000, \ } -static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb) +static void e100_setup_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb) { /* *INDENT-OFF* */ static struct { @@ -1188,13 +1213,13 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb) * driver can change the algorithm. * * INTDELAY - This loads the dead-man timer with its inital value. -* When this timer expires the interrupt is asserted, and the +* When this timer expires the interrupt is asserted, and the * timer is reset each time a new packet is received. (see * BUNDLEMAX below to set the limit on number of chained packets) * The current default is 0x600 or 1536. Experiments show that * the value should probably stay within the 0x200 - 0x1000. * -* BUNDLEMAX - +* BUNDLEMAX - * This sets the maximum number of frames that will be bundled. In * some situations, such as the TCP windowing algorithm, it may be * better to limit the growth of the bundle size than let it go as @@ -1204,7 +1229,7 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb) * an interrupt for every frame received. If you do not want to put * a limit on the bundle size, set this value to xFFFF. * -* BUNDLESMALL - +* BUNDLESMALL - * This contains a bit-mask describing the minimum size frame that * will be bundled. The default masks the lower 7 bits, which means * that any frame less than 128 bytes in length will not be bundled, @@ -1219,7 +1244,7 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb) * * The current default is 0xFF80, which masks out the lower 7 bits. * This means that any frame which is x7F (127) bytes or smaller -* will cause an immediate interrupt. Because this value must be a +* will cause an immediate interrupt. Because this value must be a * bit mask, there are only a few valid values that can be used. To * turn this feature off, the driver can write the value xFFFF to the * lower word of this instruction (in the same way that the other @@ -1228,7 +1253,7 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb) * standard Ethernet frames are <= 2047 bytes in length. *************************************************************************/ -/* if you wish to disable the ucode functionality, while maintaining the +/* if you wish to disable the ucode functionality, while maintaining the * workarounds it provides, set the following defines to: * BUNDLESMALL 0 * BUNDLEMAX 1 @@ -1259,12 +1284,46 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb) for (i = 0; i < UCODE_SIZE; i++) cb->u.ucode[i] = cpu_to_le32(ucode[i]); - cb->command = cpu_to_le16(cb_ucode); + cb->command = cpu_to_le16(cb_ucode | cb_el); return; } noloaducode: - cb->command = cpu_to_le16(cb_nop); + cb->command = cpu_to_le16(cb_nop | cb_el); +} + +static inline int e100_exec_cb_wait(struct nic *nic, struct sk_buff *skb, + void (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *)) +{ + int err = 0, counter = 50; + struct cb *cb = nic->cb_to_clean; + + if ((err = e100_exec_cb(nic, NULL, e100_setup_ucode))) + DPRINTK(PROBE,ERR, "ucode cmd failed with error %d\n", err); + + /* must restart cuc */ + nic->cuc_cmd = cuc_start; + + /* wait for completion */ + e100_write_flush(nic); + udelay(10); + + /* wait for possibly (ouch) 500ms */ + while (!(cb->status & cpu_to_le16(cb_complete))) { + msleep(10); + if (!--counter) break; + } + + /* ack any interupts, something could have been set */ + writeb(~0, &nic->csr->scb.stat_ack); + + /* if the command failed, or is not OK, notify and return */ + if (!counter || !(cb->status & cpu_to_le16(cb_ok))) { + DPRINTK(PROBE,ERR, "ucode load failed\n"); + err = -EPERM; + } + + return err; } static void e100_setup_iaaddr(struct nic *nic, struct cb *cb, @@ -1332,13 +1391,13 @@ static int e100_phy_init(struct nic *nic) mdio_write(netdev, nic->mii.phy_id, MII_NSC_CONG, cong); } - if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) && + if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) && (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000))) { /* enable/disable MDI/MDI-X auto-switching. MDI/MDI-X auto-switching is disabled for 82551ER/QM chips */ if((nic->mac == mac_82551_E) || (nic->mac == mac_82551_F) || - (nic->mac == mac_82551_10) || (nic->mii.force_media) || - !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled)) + (nic->mac == mac_82551_10) || (nic->mii.force_media) || + !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled)) mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, 0); else mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, NCONFIG_AUTO_SWITCH); @@ -1363,7 +1422,7 @@ static int e100_hw_init(struct nic *nic) return err; if((err = e100_exec_cmd(nic, ruc_load_base, 0))) return err; - if((err = e100_exec_cb(nic, NULL, e100_load_ucode))) + if ((err = e100_exec_cb_wait(nic, NULL, e100_setup_ucode))) return err; if((err = e100_exec_cb(nic, NULL, e100_configure))) return err; @@ -1468,7 +1527,7 @@ static void e100_update_stats(struct nic *nic) } } - + if(e100_exec_cmd(nic, cuc_dump_reset, 0)) DPRINTK(TX_ERR, DEBUG, "exec cuc_dump_reset failed\n"); } @@ -1517,10 +1576,10 @@ static void e100_watchdog(unsigned long data) mii_check_link(&nic->mii); /* Software generated interrupt to recover from (rare) Rx - * allocation failure. - * Unfortunately have to use a spinlock to not re-enable interrupts - * accidentally, due to hardware that shares a register between the - * interrupt mask bit and the SW Interrupt generation bit */ + * allocation failure. + * Unfortunately have to use a spinlock to not re-enable interrupts + * accidentally, due to hardware that shares a register between the + * interrupt mask bit and the SW Interrupt generation bit */ spin_lock_irq(&nic->cmd_lock); writeb(readb(&nic->csr->scb.cmd_hi) | irq_sw_gen,&nic->csr->scb.cmd_hi); spin_unlock_irq(&nic->cmd_lock); @@ -1542,7 +1601,7 @@ static void e100_watchdog(unsigned long data) mod_timer(&nic->watchdog, jiffies + E100_WATCHDOG_PERIOD); } -static inline void e100_xmit_prepare(struct nic *nic, struct cb *cb, +static void e100_xmit_prepare(struct nic *nic, struct cb *cb, struct sk_buff *skb) { cb->command = nic->tx_command; @@ -1592,7 +1651,7 @@ static int e100_xmit_frame(struct sk_buff *skb, struct net_device *netdev) return 0; } -static inline int e100_tx_clean(struct nic *nic) +static int e100_tx_clean(struct nic *nic) { struct cb *cb; int tx_cleaned = 0; @@ -1703,7 +1762,7 @@ static inline void e100_start_receiver(struct nic *nic, struct rx *rx) } #define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN) -static inline int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) +static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) { if(!(rx->skb = dev_alloc_skb(RFD_BUF_LEN + NET_IP_ALIGN))) return -ENOMEM; @@ -1737,7 +1796,7 @@ static inline int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) return 0; } -static inline int e100_rx_indicate(struct nic *nic, struct rx *rx, +static int e100_rx_indicate(struct nic *nic, struct rx *rx, unsigned int *work_done, unsigned int work_to_do) { struct sk_buff *skb = rx->skb; @@ -1797,7 +1856,7 @@ static inline int e100_rx_indicate(struct nic *nic, struct rx *rx, return 0; } -static inline void e100_rx_clean(struct nic *nic, unsigned int *work_done, +static void e100_rx_clean(struct nic *nic, unsigned int *work_done, unsigned int work_to_do) { struct rx *rx; @@ -1805,7 +1864,7 @@ static inline void e100_rx_clean(struct nic *nic, unsigned int *work_done, struct rx *rx_to_start = NULL; /* are we already rnr? then pay attention!!! this ensures that - * the state machine progression never allows a start with a + * the state machine progression never allows a start with a * partially cleaned list, avoiding a race between hardware * and rx_to_clean when in NAPI mode */ if(RU_SUSPENDED == nic->ru_running) @@ -2041,7 +2100,7 @@ static void e100_tx_timeout(struct net_device *netdev) { struct nic *nic = netdev_priv(netdev); - /* Reset outside of interrupt context, to avoid request_irq + /* Reset outside of interrupt context, to avoid request_irq * in interrupt context */ schedule_work(&nic->tx_timeout_task); } @@ -2288,7 +2347,7 @@ static int e100_set_ringparam(struct net_device *netdev, struct param_range *rfds = &nic->params.rfds; struct param_range *cbs = &nic->params.cbs; - if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) + if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) return -EINVAL; if(netif_running(netdev)) @@ -2562,6 +2621,7 @@ static int __devinit e100_probe(struct pci_dev *pdev, /* locks must be initialized before calling hw_reset */ spin_lock_init(&nic->cb_lock); spin_lock_init(&nic->cmd_lock); + spin_lock_init(&nic->mdio_lock); /* Reset the device before pci_set_master() in case device is in some * funky state and has an interrupt pending - hint: we don't have the @@ -2605,7 +2665,9 @@ static int __devinit e100_probe(struct pci_dev *pdev, nic->flags |= wol_magic; /* ack any pending wake events, disable PME */ - pci_enable_wake(pdev, 0, 0); + err = pci_enable_wake(pdev, 0, 0); + if (err) + DPRINTK(PROBE, ERR, "Error clearing wake event\n"); strcpy(netdev->name, "eth%d"); if((err = register_netdev(netdev))) { @@ -2656,6 +2718,7 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); + int retval; if(netif_running(netdev)) e100_down(nic); @@ -2663,9 +2726,14 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state) netif_device_detach(netdev); pci_save_state(pdev); - pci_enable_wake(pdev, pci_choose_state(pdev, state), nic->flags & (wol_magic | e100_asf(nic))); + retval = pci_enable_wake(pdev, pci_choose_state(pdev, state), + nic->flags & (wol_magic | e100_asf(nic))); + if (retval) + DPRINTK(PROBE,ERR, "Error enabling wake\n"); pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); + retval = pci_set_power_state(pdev, pci_choose_state(pdev, state)); + if (retval) + DPRINTK(PROBE,ERR, "Error %d setting power state\n", retval); return 0; } @@ -2674,11 +2742,16 @@ static int e100_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); + int retval; - pci_set_power_state(pdev, PCI_D0); + retval = pci_set_power_state(pdev, PCI_D0); + if (retval) + DPRINTK(PROBE,ERR, "Error waking adapter\n"); pci_restore_state(pdev); /* ack any pending wake events, disable PME */ - pci_enable_wake(pdev, 0, 0); + retval = pci_enable_wake(pdev, 0, 0); + if (retval) + DPRINTK(PROBE,ERR, "Error clearing wake events\n"); if(e100_hw_init(nic)) DPRINTK(HW, ERR, "e100_hw_init failed\n"); @@ -2695,12 +2768,15 @@ static void e100_shutdown(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); + int retval; #ifdef CONFIG_PM - pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic))); + retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic))); #else - pci_enable_wake(pdev, 0, nic->flags & (wol_magic)); + retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic)); #endif + if (retval) + DPRINTK(PROBE,ERR, "Error enabling wake\n"); } @@ -2713,7 +2789,7 @@ static struct pci_driver e100_driver = { .suspend = e100_suspend, .resume = e100_resume, #endif - .shutdown = e100_shutdown, + .shutdown = e100_shutdown, }; static int __init e100_init_module(void) diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h index 3f653a93e1b..27c77306193 100644 --- a/drivers/net/e1000/e1000.h +++ b/drivers/net/e1000/e1000.h @@ -72,10 +72,6 @@ #include <linux/mii.h> #include <linux/ethtool.h> #include <linux/if_vlan.h> -#ifdef CONFIG_E1000_MQ -#include <linux/cpu.h> -#include <linux/smp.h> -#endif #define BAR_0 0 #define BAR_1 1 @@ -87,6 +83,10 @@ struct e1000_adapter; #include "e1000_hw.h" +#ifdef CONFIG_E1000_MQ +#include <linux/cpu.h> +#include <linux/smp.h> +#endif #ifdef DBG #define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args) @@ -169,6 +169,13 @@ struct e1000_buffer { uint16_t next_to_watch; }; +#ifdef CONFIG_E1000_MQ +struct e1000_queue_stats { + uint64_t packets; + uint64_t bytes; +}; +#endif + struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; }; struct e1000_ps_page_dma { uint64_t ps_page_dma[PS_PAGE_BUFFERS]; }; @@ -188,11 +195,15 @@ struct e1000_tx_ring { /* array of buffer information structs */ struct e1000_buffer *buffer_info; - struct e1000_buffer previous_buffer_info; spinlock_t tx_lock; uint16_t tdh; uint16_t tdt; - uint64_t pkt; + + boolean_t last_tx_tso; + +#ifdef CONFIG_E1000_MQ + struct e1000_queue_stats tx_stats; +#endif }; struct e1000_rx_ring { @@ -214,9 +225,17 @@ struct e1000_rx_ring { struct e1000_ps_page *ps_page; struct e1000_ps_page_dma *ps_page_dma; + struct sk_buff *rx_skb_top; + struct sk_buff *rx_skb_prev; + + /* cpu for rx queue */ + int cpu; + uint16_t rdh; uint16_t rdt; - uint64_t pkt; +#ifdef CONFIG_E1000_MQ + struct e1000_queue_stats rx_stats; +#endif }; #define E1000_DESC_UNUSED(R) \ @@ -249,6 +268,9 @@ struct e1000_adapter { uint16_t link_speed; uint16_t link_duplex; spinlock_t stats_lock; +#ifdef CONFIG_E1000_NAPI + spinlock_t tx_queue_lock; +#endif atomic_t irq_sem; struct work_struct tx_timeout_task; struct work_struct watchdog_task; @@ -262,6 +284,7 @@ struct e1000_adapter { #ifdef CONFIG_E1000_MQ struct e1000_tx_ring **cpu_tx_ring; /* per-cpu */ #endif + unsigned long tx_queue_len; uint32_t txd_cmd; uint32_t tx_int_delay; uint32_t tx_abs_int_delay; @@ -269,9 +292,11 @@ struct e1000_adapter { uint64_t gotcl_old; uint64_t tpt_old; uint64_t colc_old; + uint32_t tx_timeout_count; uint32_t tx_fifo_head; uint32_t tx_head_addr; uint32_t tx_fifo_size; + uint8_t tx_timeout_factor; atomic_t tx_fifo_stall; boolean_t pcix_82544; boolean_t detect_tx_hung; @@ -279,14 +304,15 @@ struct e1000_adapter { /* RX */ #ifdef CONFIG_E1000_NAPI boolean_t (*clean_rx) (struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring, - int *work_done, int work_to_do); + struct e1000_rx_ring *rx_ring, + int *work_done, int work_to_do); #else boolean_t (*clean_rx) (struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring); + struct e1000_rx_ring *rx_ring); #endif void (*alloc_rx_buf) (struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring); + struct e1000_rx_ring *rx_ring, + int cleaned_count); struct e1000_rx_ring *rx_ring; /* One per active queue */ #ifdef CONFIG_E1000_NAPI struct net_device *polling_netdev; /* One per active queue */ @@ -294,13 +320,15 @@ struct e1000_adapter { #ifdef CONFIG_E1000_MQ struct net_device **cpu_netdev; /* per-cpu */ struct call_async_data_struct rx_sched_call_data; - int cpu_for_queue[4]; + cpumask_t cpumask; #endif - int num_queues; + int num_tx_queues; + int num_rx_queues; uint64_t hw_csum_err; uint64_t hw_csum_good; uint64_t rx_hdr_split; + uint32_t alloc_rx_buff_failed; uint32_t rx_int_delay; uint32_t rx_abs_int_delay; boolean_t rx_csum; @@ -328,6 +356,7 @@ struct e1000_adapter { struct e1000_rx_ring test_rx_ring; + u32 *config_space; int msg_enable; #ifdef CONFIG_PCI_MSI boolean_t have_msi; diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index 8eae8ba27e8..5cedc81786e 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -80,6 +80,7 @@ static const struct e1000_stats e1000_gstrings_stats[] = { { "tx_deferred_ok", E1000_STAT(stats.dc) }, { "tx_single_coll_ok", E1000_STAT(stats.scc) }, { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, + { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, { "rx_long_length_errors", E1000_STAT(stats.roc) }, { "rx_short_length_errors", E1000_STAT(stats.ruc) }, { "rx_align_errors", E1000_STAT(stats.algnerrc) }, @@ -93,9 +94,20 @@ static const struct e1000_stats e1000_gstrings_stats[] = { { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, { "rx_header_split", E1000_STAT(rx_hdr_split) }, + { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, }; -#define E1000_STATS_LEN \ + +#ifdef CONFIG_E1000_MQ +#define E1000_QUEUE_STATS_LEN \ + (((struct e1000_adapter *)netdev->priv)->num_tx_queues + \ + ((struct e1000_adapter *)netdev->priv)->num_rx_queues) \ + * (sizeof(struct e1000_queue_stats) / sizeof(uint64_t)) +#else +#define E1000_QUEUE_STATS_LEN 0 +#endif +#define E1000_GLOBAL_STATS_LEN \ sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats) +#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN) static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { "Register test (offline)", "Eeprom test (offline)", "Interrupt test (offline)", "Loopback test (offline)", @@ -109,7 +121,7 @@ e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - if(hw->media_type == e1000_media_type_copper) { + if (hw->media_type == e1000_media_type_copper) { ecmd->supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | @@ -121,7 +133,7 @@ e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) ecmd->advertising = ADVERTISED_TP; - if(hw->autoneg == 1) { + if (hw->autoneg == 1) { ecmd->advertising |= ADVERTISED_Autoneg; /* the e1000 autoneg seems to match ethtool nicely */ @@ -132,7 +144,7 @@ e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) ecmd->port = PORT_TP; ecmd->phy_address = hw->phy_addr; - if(hw->mac_type == e1000_82543) + if (hw->mac_type == e1000_82543) ecmd->transceiver = XCVR_EXTERNAL; else ecmd->transceiver = XCVR_INTERNAL; @@ -148,13 +160,13 @@ e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) ecmd->port = PORT_FIBRE; - if(hw->mac_type >= e1000_82545) + if (hw->mac_type >= e1000_82545) ecmd->transceiver = XCVR_INTERNAL; else ecmd->transceiver = XCVR_EXTERNAL; } - if(netif_carrier_ok(adapter->netdev)) { + if (netif_carrier_ok(adapter->netdev)) { e1000_get_speed_and_duplex(hw, &adapter->link_speed, &adapter->link_duplex); @@ -163,7 +175,7 @@ e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) /* unfortunatly FULL_DUPLEX != DUPLEX_FULL * and HALF_DUPLEX != DUPLEX_HALF */ - if(adapter->link_duplex == FULL_DUPLEX) + if (adapter->link_duplex == FULL_DUPLEX) ecmd->duplex = DUPLEX_FULL; else ecmd->duplex = DUPLEX_HALF; @@ -183,13 +195,21 @@ e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - if(ecmd->autoneg == AUTONEG_ENABLE) { + /* When SoL/IDER sessions are active, autoneg/speed/duplex + * cannot be changed */ + if (e1000_check_phy_reset_block(hw)) { + DPRINTK(DRV, ERR, "Cannot change link characteristics " + "when SoL/IDER is active.\n"); + return -EINVAL; + } + + if (ecmd->autoneg == AUTONEG_ENABLE) { hw->autoneg = 1; - if(hw->media_type == e1000_media_type_fiber) + if (hw->media_type == e1000_media_type_fiber) hw->autoneg_advertised = ADVERTISED_1000baseT_Full | ADVERTISED_FIBRE | ADVERTISED_Autoneg; - else + else hw->autoneg_advertised = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | ADVERTISED_100baseT_Half | @@ -199,12 +219,12 @@ e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) ADVERTISED_TP; ecmd->advertising = hw->autoneg_advertised; } else - if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) + if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) return -EINVAL; /* reset the link */ - if(netif_running(adapter->netdev)) { + if (netif_running(adapter->netdev)) { e1000_down(adapter); e1000_reset(adapter); e1000_up(adapter); @@ -221,14 +241,14 @@ e1000_get_pauseparam(struct net_device *netdev, struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - pause->autoneg = + pause->autoneg = (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); - - if(hw->fc == e1000_fc_rx_pause) + + if (hw->fc == e1000_fc_rx_pause) pause->rx_pause = 1; - else if(hw->fc == e1000_fc_tx_pause) + else if (hw->fc == e1000_fc_tx_pause) pause->tx_pause = 1; - else if(hw->fc == e1000_fc_full) { + else if (hw->fc == e1000_fc_full) { pause->rx_pause = 1; pause->tx_pause = 1; } @@ -240,31 +260,30 @@ e1000_set_pauseparam(struct net_device *netdev, { struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - + adapter->fc_autoneg = pause->autoneg; - if(pause->rx_pause && pause->tx_pause) + if (pause->rx_pause && pause->tx_pause) hw->fc = e1000_fc_full; - else if(pause->rx_pause && !pause->tx_pause) + else if (pause->rx_pause && !pause->tx_pause) hw->fc = e1000_fc_rx_pause; - else if(!pause->rx_pause && pause->tx_pause) + else if (!pause->rx_pause && pause->tx_pause) hw->fc = e1000_fc_tx_pause; - else if(!pause->rx_pause && !pause->tx_pause) + else if (!pause->rx_pause && !pause->tx_pause) hw->fc = e1000_fc_none; hw->original_fc = hw->fc; - if(adapter->fc_autoneg == AUTONEG_ENABLE) { - if(netif_running(adapter->netdev)) { + if (adapter->fc_autoneg == AUTONEG_ENABLE) { + if (netif_running(adapter->netdev)) { e1000_down(adapter); e1000_up(adapter); } else e1000_reset(adapter); - } - else + } else return ((hw->media_type == e1000_media_type_fiber) ? e1000_setup_link(hw) : e1000_force_mac_fc(hw)); - + return 0; } @@ -281,14 +300,14 @@ e1000_set_rx_csum(struct net_device *netdev, uint32_t data) struct e1000_adapter *adapter = netdev_priv(netdev); adapter->rx_csum = data; - if(netif_running(netdev)) { + if (netif_running(netdev)) { e1000_down(adapter); e1000_up(adapter); } else e1000_reset(adapter); return 0; } - + static uint32_t e1000_get_tx_csum(struct net_device *netdev) { @@ -300,7 +319,7 @@ e1000_set_tx_csum(struct net_device *netdev, uint32_t data) { struct e1000_adapter *adapter = netdev_priv(netdev); - if(adapter->hw.mac_type < e1000_82543) { + if (adapter->hw.mac_type < e1000_82543) { if (!data) return -EINVAL; return 0; @@ -319,8 +338,8 @@ static int e1000_set_tso(struct net_device *netdev, uint32_t data) { struct e1000_adapter *adapter = netdev_priv(netdev); - if((adapter->hw.mac_type < e1000_82544) || - (adapter->hw.mac_type == e1000_82547)) + if ((adapter->hw.mac_type < e1000_82544) || + (adapter->hw.mac_type == e1000_82547)) return data ? -EINVAL : 0; if (data) @@ -328,7 +347,7 @@ e1000_set_tso(struct net_device *netdev, uint32_t data) else netdev->features &= ~NETIF_F_TSO; return 0; -} +} #endif /* NETIF_F_TSO */ static uint32_t @@ -345,7 +364,7 @@ e1000_set_msglevel(struct net_device *netdev, uint32_t data) adapter->msg_enable = data; } -static int +static int e1000_get_regs_len(struct net_device *netdev) { #define E1000_REGS_LEN 32 @@ -381,7 +400,7 @@ e1000_get_regs(struct net_device *netdev, regs_buff[11] = E1000_READ_REG(hw, TIDV); regs_buff[12] = adapter->hw.phy_type; /* PHY type (IGP=1, M88=0) */ - if(hw->phy_type == e1000_phy_igp) { + if (hw->phy_type == e1000_phy_igp) { e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, IGP01E1000_PHY_AGC_A); e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A & @@ -435,7 +454,7 @@ e1000_get_regs(struct net_device *netdev, e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); regs_buff[24] = (uint32_t)phy_data; /* phy local receiver status */ regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ - if(hw->mac_type >= e1000_82540 && + if (hw->mac_type >= e1000_82540 && hw->media_type == e1000_media_type_copper) { regs_buff[26] = E1000_READ_REG(hw, MANC); } @@ -459,7 +478,7 @@ e1000_get_eeprom(struct net_device *netdev, int ret_val = 0; uint16_t i; - if(eeprom->len == 0) + if (eeprom->len == 0) return -EINVAL; eeprom->magic = hw->vendor_id | (hw->device_id << 16); @@ -469,16 +488,16 @@ e1000_get_eeprom(struct net_device *netdev, eeprom_buff = kmalloc(sizeof(uint16_t) * (last_word - first_word + 1), GFP_KERNEL); - if(!eeprom_buff) + if (!eeprom_buff) return -ENOMEM; - if(hw->eeprom.type == e1000_eeprom_spi) + if (hw->eeprom.type == e1000_eeprom_spi) ret_val = e1000_read_eeprom(hw, first_word, last_word - first_word + 1, eeprom_buff); else { for (i = 0; i < last_word - first_word + 1; i++) - if((ret_val = e1000_read_eeprom(hw, first_word + i, 1, + if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1, &eeprom_buff[i]))) break; } @@ -505,10 +524,10 @@ e1000_set_eeprom(struct net_device *netdev, int max_len, first_word, last_word, ret_val = 0; uint16_t i; - if(eeprom->len == 0) + if (eeprom->len == 0) return -EOPNOTSUPP; - if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) + if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) return -EFAULT; max_len = hw->eeprom.word_size * 2; @@ -516,19 +535,19 @@ e1000_set_eeprom(struct net_device *netdev, first_word = eeprom->offset >> 1; last_word = (eeprom->offset + eeprom->len - 1) >> 1; eeprom_buff = kmalloc(max_len, GFP_KERNEL); - if(!eeprom_buff) + if (!eeprom_buff) return -ENOMEM; ptr = (void *)eeprom_buff; - if(eeprom->offset & 1) { + if (eeprom->offset & 1) { /* need read/modify/write of first changed EEPROM word */ /* only the second byte of the word is being modified */ ret_val = e1000_read_eeprom(hw, first_word, 1, &eeprom_buff[0]); ptr++; } - if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { + if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { /* need read/modify/write of last changed EEPROM word */ /* only the first byte of the word is being modified */ ret_val = e1000_read_eeprom(hw, last_word, 1, @@ -547,9 +566,9 @@ e1000_set_eeprom(struct net_device *netdev, ret_val = e1000_write_eeprom(hw, first_word, last_word - first_word + 1, eeprom_buff); - /* Update the checksum over the first part of the EEPROM if needed + /* Update the checksum over the first part of the EEPROM if needed * and flush shadow RAM for 82573 conrollers */ - if((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) || + if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) || (hw->mac_type == e1000_82573))) e1000_update_eeprom_checksum(hw); @@ -562,10 +581,29 @@ e1000_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct e1000_adapter *adapter = netdev_priv(netdev); + char firmware_version[32]; + uint16_t eeprom_data; strncpy(drvinfo->driver, e1000_driver_name, 32); strncpy(drvinfo->version, e1000_driver_version, 32); - strncpy(drvinfo->fw_version, "N/A", 32); + + /* EEPROM image version # is reported as firmware version # for + * 8257{1|2|3} controllers */ + e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data); + switch (adapter->hw.mac_type) { + case e1000_82571: + case e1000_82572: + case e1000_82573: + sprintf(firmware_version, "%d.%d-%d", + (eeprom_data & 0xF000) >> 12, + (eeprom_data & 0x0FF0) >> 4, + eeprom_data & 0x000F); + break; + default: + sprintf(firmware_version, "N/A"); + } + + strncpy(drvinfo->fw_version, firmware_version, 32); strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); drvinfo->n_stats = E1000_STATS_LEN; drvinfo->testinfo_len = E1000_TEST_LEN; @@ -594,7 +632,7 @@ e1000_get_ringparam(struct net_device *netdev, ring->rx_jumbo_pending = 0; } -static int +static int e1000_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) { @@ -604,8 +642,8 @@ e1000_set_ringparam(struct net_device *netdev, struct e1000_rx_ring *rxdr, *rx_old, *rx_new; int i, err, tx_ring_size, rx_ring_size; - tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_queues; - rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_queues; + tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues; + rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues; if (netif_running(adapter->netdev)) e1000_down(adapter); @@ -631,25 +669,25 @@ e1000_set_ringparam(struct net_device *netdev, txdr = adapter->tx_ring; rxdr = adapter->rx_ring; - if((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) + if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) return -EINVAL; rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD); rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ? E1000_MAX_RXD : E1000_MAX_82544_RXD)); - E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); + E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD); txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD)); - E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); + E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); - for (i = 0; i < adapter->num_queues; i++) { + for (i = 0; i < adapter->num_tx_queues; i++) txdr[i].count = txdr->count; + for (i = 0; i < adapter->num_rx_queues; i++) rxdr[i].count = rxdr->count; - } - if(netif_running(adapter->netdev)) { + if (netif_running(adapter->netdev)) { /* Try to get new resources before deleting old */ if ((err = e1000_setup_all_rx_resources(adapter))) goto err_setup_rx; @@ -669,7 +707,7 @@ e1000_set_ringparam(struct net_device *netdev, kfree(rx_old); adapter->rx_ring = rx_new; adapter->tx_ring = tx_new; - if((err = e1000_up(adapter))) + if ((err = e1000_up(adapter))) return err; } @@ -688,10 +726,10 @@ err_setup_rx: uint32_t pat, value; \ uint32_t test[] = \ {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \ - for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) { \ + for (pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) { \ E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \ value = E1000_READ_REG(&adapter->hw, R); \ - if(value != (test[pat] & W & M)) { \ + if (value != (test[pat] & W & M)) { \ DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \ "0x%08X expected 0x%08X\n", \ E1000_##R, value, (test[pat] & W & M)); \ @@ -707,7 +745,7 @@ err_setup_rx: uint32_t value; \ E1000_WRITE_REG(&adapter->hw, R, W & M); \ value = E1000_READ_REG(&adapter->hw, R); \ - if((W & M) != (value & M)) { \ + if ((W & M) != (value & M)) { \ DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\ "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \ *data = (adapter->hw.mac_type < e1000_82543) ? \ @@ -743,7 +781,7 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle); E1000_WRITE_REG(&adapter->hw, STATUS, toggle); after = E1000_READ_REG(&adapter->hw, STATUS) & toggle; - if(value != after) { + if (value != after) { DPRINTK(DRV, ERR, "failed STATUS register test got: " "0x%08X expected: 0x%08X\n", after, value); *data = 1; @@ -771,7 +809,7 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB); REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000); - if(adapter->hw.mac_type >= e1000_82543) { + if (adapter->hw.mac_type >= e1000_82543) { REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF); REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); @@ -779,7 +817,7 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF); - for(i = 0; i < E1000_RAR_ENTRIES; i++) { + for (i = 0; i < E1000_RAR_ENTRIES; i++) { REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF, 0xFFFFFFFF); REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF, @@ -795,7 +833,7 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) } - for(i = 0; i < E1000_MC_TBL_SIZE; i++) + for (i = 0; i < E1000_MC_TBL_SIZE; i++) REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF); *data = 0; @@ -811,8 +849,8 @@ e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data) *data = 0; /* Read and add up the contents of the EEPROM */ - for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { - if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) { + for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { + if ((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) { *data = 1; break; } @@ -820,7 +858,7 @@ e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data) } /* If Checksum is not Correct return error else test passed */ - if((checksum != (uint16_t) EEPROM_SUM) && !(*data)) + if ((checksum != (uint16_t) EEPROM_SUM) && !(*data)) *data = 2; return *data; @@ -849,9 +887,9 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) *data = 0; /* Hook up test interrupt handler just for this test */ - if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) { + if (!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) { shared_int = FALSE; - } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ, + } else if (request_irq(irq, &e1000_test_intr, SA_SHIRQ, netdev->name, netdev)){ *data = 1; return -1; @@ -862,12 +900,12 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) msec_delay(10); /* Test each interrupt */ - for(; i < 10; i++) { + for (; i < 10; i++) { /* Interrupt to test */ mask = 1 << i; - if(!shared_int) { + if (!shared_int) { /* Disable the interrupt to be reported in * the cause register and then force the same * interrupt and see if one gets posted. If @@ -878,8 +916,8 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) E1000_WRITE_REG(&adapter->hw, IMC, mask); E1000_WRITE_REG(&adapter->hw, ICS, mask); msec_delay(10); - - if(adapter->test_icr & mask) { + + if (adapter->test_icr & mask) { *data = 3; break; } @@ -896,12 +934,12 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) E1000_WRITE_REG(&adapter->hw, ICS, mask); msec_delay(10); - if(!(adapter->test_icr & mask)) { + if (!(adapter->test_icr & mask)) { *data = 4; break; } - if(!shared_int) { + if (!shared_int) { /* Disable the other interrupts to be reported in * the cause register and then force the other * interrupts and see if any get posted. If @@ -913,7 +951,7 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF); msec_delay(10); - if(adapter->test_icr) { + if (adapter->test_icr) { *data = 5; break; } @@ -938,35 +976,42 @@ e1000_free_desc_rings(struct e1000_adapter *adapter) struct pci_dev *pdev = adapter->pdev; int i; - if(txdr->desc && txdr->buffer_info) { - for(i = 0; i < txdr->count; i++) { - if(txdr->buffer_info[i].dma) + if (txdr->desc && txdr->buffer_info) { + for (i = 0; i < txdr->count; i++) { + if (txdr->buffer_info[i].dma) pci_unmap_single(pdev, txdr->buffer_info[i].dma, txdr->buffer_info[i].length, PCI_DMA_TODEVICE); - if(txdr->buffer_info[i].skb) + if (txdr->buffer_info[i].skb) dev_kfree_skb(txdr->buffer_info[i].skb); } } - if(rxdr->desc && rxdr->buffer_info) { - for(i = 0; i < rxdr->count; i++) { - if(rxdr->buffer_info[i].dma) + if (rxdr->desc && rxdr->buffer_info) { + for (i = 0; i < rxdr->count; i++) { + if (rxdr->buffer_info[i].dma) pci_unmap_single(pdev, rxdr->buffer_info[i].dma, rxdr->buffer_info[i].length, PCI_DMA_FROMDEVICE); - if(rxdr->buffer_info[i].skb) + if (rxdr->buffer_info[i].skb) dev_kfree_skb(rxdr->buffer_info[i].skb); } } - if(txdr->desc) + if (txdr->desc) { pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma); - if(rxdr->desc) + txdr->desc = NULL; + } + if (rxdr->desc) { pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma); + rxdr->desc = NULL; + } kfree(txdr->buffer_info); + txdr->buffer_info = NULL; kfree(rxdr->buffer_info); + rxdr->buffer_info = NULL; + return; } @@ -981,11 +1026,11 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter) /* Setup Tx descriptor ring and Tx buffers */ - if(!txdr->count) - txdr->count = E1000_DEFAULT_TXD; + if (!txdr->count) + txdr->count = E1000_DEFAULT_TXD; size = txdr->count * sizeof(struct e1000_buffer); - if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) { + if (!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) { ret_val = 1; goto err_nomem; } @@ -993,7 +1038,7 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter) txdr->size = txdr->count * sizeof(struct e1000_tx_desc); E1000_ROUNDUP(txdr->size, 4096); - if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) { + if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) { ret_val = 2; goto err_nomem; } @@ -1012,12 +1057,12 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter) E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT); - for(i = 0; i < txdr->count; i++) { + for (i = 0; i < txdr->count; i++) { struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i); struct sk_buff *skb; unsigned int size = 1024; - if(!(skb = alloc_skb(size, GFP_KERNEL))) { + if (!(skb = alloc_skb(size, GFP_KERNEL))) { ret_val = 3; goto err_nomem; } @@ -1037,18 +1082,18 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter) /* Setup Rx descriptor ring and Rx buffers */ - if(!rxdr->count) - rxdr->count = E1000_DEFAULT_RXD; + if (!rxdr->count) + rxdr->count = E1000_DEFAULT_RXD; size = rxdr->count * sizeof(struct e1000_buffer); - if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) { + if (!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) { ret_val = 4; goto err_nomem; } memset(rxdr->buffer_info, 0, size); rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc); - if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) { + if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) { ret_val = 5; goto err_nomem; } @@ -1068,11 +1113,11 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter) (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT); E1000_WRITE_REG(&adapter->hw, RCTL, rctl); - for(i = 0; i < rxdr->count; i++) { + for (i = 0; i < rxdr->count; i++) { struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i); struct sk_buff *skb; - if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, + if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL))) { ret_val = 6; goto err_nomem; @@ -1181,15 +1226,15 @@ e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter) /* Check Phy Configuration */ e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); - if(phy_reg != 0x4100) + if (phy_reg != 0x4100) return 9; e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg); - if(phy_reg != 0x0070) + if (phy_reg != 0x0070) return 10; e1000_read_phy_reg(&adapter->hw, 29, &phy_reg); - if(phy_reg != 0x001A) + if (phy_reg != 0x001A) return 11; return 0; @@ -1203,7 +1248,7 @@ e1000_integrated_phy_loopback(struct e1000_adapter *adapter) adapter->hw.autoneg = FALSE; - if(adapter->hw.phy_type == e1000_phy_m88) { + if (adapter->hw.phy_type == e1000_phy_m88) { /* Auto-MDI/MDIX Off */ e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, 0x0808); @@ -1223,14 +1268,14 @@ e1000_integrated_phy_loopback(struct e1000_adapter *adapter) E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ E1000_CTRL_FD); /* Force Duplex to FULL */ - if(adapter->hw.media_type == e1000_media_type_copper && + if (adapter->hw.media_type == e1000_media_type_copper && adapter->hw.phy_type == e1000_phy_m88) { ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ } else { /* Set the ILOS bit on the fiber Nic is half * duplex link is detected. */ stat_reg = E1000_READ_REG(&adapter->hw, STATUS); - if((stat_reg & E1000_STATUS_FD) == 0) + if ((stat_reg & E1000_STATUS_FD) == 0) ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); } @@ -1239,7 +1284,7 @@ e1000_integrated_phy_loopback(struct e1000_adapter *adapter) /* Disable the receiver on the PHY so when a cable is plugged in, the * PHY does not begin to autoneg when a cable is reconnected to the NIC. */ - if(adapter->hw.phy_type == e1000_phy_m88) + if (adapter->hw.phy_type == e1000_phy_m88) e1000_phy_disable_receiver(adapter); udelay(500); @@ -1255,14 +1300,14 @@ e1000_set_phy_loopback(struct e1000_adapter *adapter) switch (adapter->hw.mac_type) { case e1000_82543: - if(adapter->hw.media_type == e1000_media_type_copper) { + if (adapter->hw.media_type == e1000_media_type_copper) { /* Attempt to setup Loopback mode on Non-integrated PHY. * Some PHY registers get corrupted at random, so * attempt this 10 times. */ - while(e1000_nonintegrated_phy_loopback(adapter) && + while (e1000_nonintegrated_phy_loopback(adapter) && count++ < 10); - if(count < 11) + if (count < 11) return 0; } break; @@ -1300,22 +1345,33 @@ e1000_set_phy_loopback(struct e1000_adapter *adapter) static int e1000_setup_loopback_test(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; uint32_t rctl; - if(adapter->hw.media_type == e1000_media_type_fiber || - adapter->hw.media_type == e1000_media_type_internal_serdes) { - if(adapter->hw.mac_type == e1000_82545 || - adapter->hw.mac_type == e1000_82546 || - adapter->hw.mac_type == e1000_82545_rev_3 || - adapter->hw.mac_type == e1000_82546_rev_3) + if (hw->media_type == e1000_media_type_fiber || + hw->media_type == e1000_media_type_internal_serdes) { + switch (hw->mac_type) { + case e1000_82545: + case e1000_82546: + case e1000_82545_rev_3: + case e1000_82546_rev_3: return e1000_set_phy_loopback(adapter); - else { - rctl = E1000_READ_REG(&adapter->hw, RCTL); + break; + case e1000_82571: + case e1000_82572: +#define E1000_SERDES_LB_ON 0x410 + e1000_set_phy_loopback(adapter); + E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON); + msec_delay(10); + return 0; + break; + default: + rctl = E1000_READ_REG(hw, RCTL); rctl |= E1000_RCTL_LBM_TCVR; - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + E1000_WRITE_REG(hw, RCTL, rctl); return 0; } - } else if(adapter->hw.media_type == e1000_media_type_copper) + } else if (hw->media_type == e1000_media_type_copper) return e1000_set_phy_loopback(adapter); return 7; @@ -1324,27 +1380,38 @@ e1000_setup_loopback_test(struct e1000_adapter *adapter) static void e1000_loopback_cleanup(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; uint32_t rctl; uint16_t phy_reg; - rctl = E1000_READ_REG(&adapter->hw, RCTL); + rctl = E1000_READ_REG(hw, RCTL); rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + E1000_WRITE_REG(hw, RCTL, rctl); - if(adapter->hw.media_type == e1000_media_type_copper || - ((adapter->hw.media_type == e1000_media_type_fiber || - adapter->hw.media_type == e1000_media_type_internal_serdes) && - (adapter->hw.mac_type == e1000_82545 || - adapter->hw.mac_type == e1000_82546 || - adapter->hw.mac_type == e1000_82545_rev_3 || - adapter->hw.mac_type == e1000_82546_rev_3))) { - adapter->hw.autoneg = TRUE; - e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg); - if(phy_reg & MII_CR_LOOPBACK) { + switch (hw->mac_type) { + case e1000_82571: + case e1000_82572: + if (hw->media_type == e1000_media_type_fiber || + hw->media_type == e1000_media_type_internal_serdes) { +#define E1000_SERDES_LB_OFF 0x400 + E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF); + msec_delay(10); + break; + } + /* Fall Through */ + case e1000_82545: + case e1000_82546: + case e1000_82545_rev_3: + case e1000_82546_rev_3: + default: + hw->autoneg = TRUE; + e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg); + if (phy_reg & MII_CR_LOOPBACK) { phy_reg &= ~MII_CR_LOOPBACK; - e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg); - e1000_phy_reset(&adapter->hw); + e1000_write_phy_reg(hw, PHY_CTRL, phy_reg); + e1000_phy_reset(hw); } + break; } } @@ -1352,7 +1419,7 @@ static void e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) { memset(skb->data, 0xFF, frame_size); - frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size; + frame_size &= ~1; memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); @@ -1361,9 +1428,9 @@ e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) static int e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) { - frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size; - if(*(skb->data + 3) == 0xFF) { - if((*(skb->data + frame_size / 2 + 10) == 0xBE) && + frame_size &= ~1; + if (*(skb->data + 3) == 0xFF) { + if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && (*(skb->data + frame_size / 2 + 12) == 0xAF)) { return 0; } @@ -1382,53 +1449,53 @@ e1000_run_loopback_test(struct e1000_adapter *adapter) E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1); - /* Calculate the loop count based on the largest descriptor ring + /* Calculate the loop count based on the largest descriptor ring * The idea is to wrap the largest ring a number of times using 64 * send/receive pairs during each loop */ - if(rxdr->count <= txdr->count) + if (rxdr->count <= txdr->count) lc = ((txdr->count / 64) * 2) + 1; else lc = ((rxdr->count / 64) * 2) + 1; k = l = 0; - for(j = 0; j <= lc; j++) { /* loop count loop */ - for(i = 0; i < 64; i++) { /* send the packets */ - e1000_create_lbtest_frame(txdr->buffer_info[i].skb, + for (j = 0; j <= lc; j++) { /* loop count loop */ + for (i = 0; i < 64; i++) { /* send the packets */ + e1000_create_lbtest_frame(txdr->buffer_info[i].skb, 1024); - pci_dma_sync_single_for_device(pdev, + pci_dma_sync_single_for_device(pdev, txdr->buffer_info[k].dma, txdr->buffer_info[k].length, PCI_DMA_TODEVICE); - if(unlikely(++k == txdr->count)) k = 0; + if (unlikely(++k == txdr->count)) k = 0; } E1000_WRITE_REG(&adapter->hw, TDT, k); msec_delay(200); time = jiffies; /* set the start time for the receive */ good_cnt = 0; do { /* receive the sent packets */ - pci_dma_sync_single_for_cpu(pdev, + pci_dma_sync_single_for_cpu(pdev, rxdr->buffer_info[l].dma, rxdr->buffer_info[l].length, PCI_DMA_FROMDEVICE); - + ret_val = e1000_check_lbtest_frame( rxdr->buffer_info[l].skb, 1024); - if(!ret_val) + if (!ret_val) good_cnt++; - if(unlikely(++l == rxdr->count)) l = 0; - /* time + 20 msecs (200 msecs on 2.4) is more than - * enough time to complete the receives, if it's + if (unlikely(++l == rxdr->count)) l = 0; + /* time + 20 msecs (200 msecs on 2.4) is more than + * enough time to complete the receives, if it's * exceeded, break and error off */ } while (good_cnt < 64 && jiffies < (time + 20)); - if(good_cnt != 64) { + if (good_cnt != 64) { ret_val = 13; /* ret_val is the same as mis-compare */ - break; + break; } - if(jiffies >= (time + 2)) { + if (jiffies >= (time + 2)) { ret_val = 14; /* error code for time out error */ break; } @@ -1439,12 +1506,25 @@ e1000_run_loopback_test(struct e1000_adapter *adapter) static int e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data) { - if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback; - if((*data = e1000_setup_loopback_test(adapter))) goto err_loopback; + /* PHY loopback cannot be performed if SoL/IDER + * sessions are active */ + if (e1000_check_phy_reset_block(&adapter->hw)) { + DPRINTK(DRV, ERR, "Cannot do PHY loopback test " + "when SoL/IDER is active.\n"); + *data = 0; + goto out; + } + + if ((*data = e1000_setup_desc_rings(adapter))) + goto out; + if ((*data = e1000_setup_loopback_test(adapter))) + goto err_loopback; *data = e1000_run_loopback_test(adapter); e1000_loopback_cleanup(adapter); - e1000_free_desc_rings(adapter); + err_loopback: + e1000_free_desc_rings(adapter); +out: return *data; } @@ -1468,17 +1548,17 @@ e1000_link_test(struct e1000_adapter *adapter, uint64_t *data) *data = 1; } else { e1000_check_for_link(&adapter->hw); - if(adapter->hw.autoneg) /* if auto_neg is set wait for it */ + if (adapter->hw.autoneg) /* if auto_neg is set wait for it */ msec_delay(4000); - if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) { + if (!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) { *data = 1; } } return *data; } -static int +static int e1000_diag_test_count(struct net_device *netdev) { return E1000_TEST_LEN; @@ -1491,7 +1571,7 @@ e1000_diag_test(struct net_device *netdev, struct e1000_adapter *adapter = netdev_priv(netdev); boolean_t if_running = netif_running(netdev); - if(eth_test->flags == ETH_TEST_FL_OFFLINE) { + if (eth_test->flags == ETH_TEST_FL_OFFLINE) { /* Offline tests */ /* save speed, duplex, autoneg settings */ @@ -1501,27 +1581,27 @@ e1000_diag_test(struct net_device *netdev, /* Link test performed before hardware reset so autoneg doesn't * interfere with test result */ - if(e1000_link_test(adapter, &data[4])) + if (e1000_link_test(adapter, &data[4])) eth_test->flags |= ETH_TEST_FL_FAILED; - if(if_running) + if (if_running) e1000_down(adapter); else e1000_reset(adapter); - if(e1000_reg_test(adapter, &data[0])) + if (e1000_reg_test(adapter, &data[0])) eth_test->flags |= ETH_TEST_FL_FAILED; e1000_reset(adapter); - if(e1000_eeprom_test(adapter, &data[1])) + if (e1000_eeprom_test(adapter, &data[1])) eth_test->flags |= ETH_TEST_FL_FAILED; e1000_reset(adapter); - if(e1000_intr_test(adapter, &data[2])) + if (e1000_intr_test(adapter, &data[2])) eth_test->flags |= ETH_TEST_FL_FAILED; e1000_reset(adapter); - if(e1000_loopback_test(adapter, &data[3])) + if (e1000_loopback_test(adapter, &data[3])) eth_test->flags |= ETH_TEST_FL_FAILED; /* restore speed, duplex, autoneg settings */ @@ -1530,11 +1610,11 @@ e1000_diag_test(struct net_device *netdev, adapter->hw.autoneg = autoneg; e1000_reset(adapter); - if(if_running) + if (if_running) e1000_up(adapter); } else { /* Online tests */ - if(e1000_link_test(adapter, &data[4])) + if (e1000_link_test(adapter, &data[4])) eth_test->flags |= ETH_TEST_FL_FAILED; /* Offline tests aren't run; pass by default */ @@ -1552,7 +1632,7 @@ e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - switch(adapter->hw.device_id) { + switch (adapter->hw.device_id) { case E1000_DEV_ID_82542: case E1000_DEV_ID_82543GC_FIBER: case E1000_DEV_ID_82543GC_COPPER: @@ -1566,8 +1646,9 @@ e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) case E1000_DEV_ID_82546EB_FIBER: case E1000_DEV_ID_82546GB_FIBER: + case E1000_DEV_ID_82571EB_FIBER: /* Wake events only supported on port A for dual fiber */ - if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) { + if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) { wol->supported = 0; wol->wolopts = 0; return; @@ -1579,13 +1660,13 @@ e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) WAKE_BCAST | WAKE_MAGIC; wol->wolopts = 0; - if(adapter->wol & E1000_WUFC_EX) + if (adapter->wol & E1000_WUFC_EX) wol->wolopts |= WAKE_UCAST; - if(adapter->wol & E1000_WUFC_MC) + if (adapter->wol & E1000_WUFC_MC) wol->wolopts |= WAKE_MCAST; - if(adapter->wol & E1000_WUFC_BC) + if (adapter->wol & E1000_WUFC_BC) wol->wolopts |= WAKE_BCAST; - if(adapter->wol & E1000_WUFC_MAG) + if (adapter->wol & E1000_WUFC_MAG) wol->wolopts |= WAKE_MAGIC; return; } @@ -1597,7 +1678,7 @@ e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - switch(adapter->hw.device_id) { + switch (adapter->hw.device_id) { case E1000_DEV_ID_82542: case E1000_DEV_ID_82543GC_FIBER: case E1000_DEV_ID_82543GC_COPPER: @@ -1609,24 +1690,25 @@ e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) case E1000_DEV_ID_82546EB_FIBER: case E1000_DEV_ID_82546GB_FIBER: + case E1000_DEV_ID_82571EB_FIBER: /* Wake events only supported on port A for dual fiber */ - if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) + if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) return wol->wolopts ? -EOPNOTSUPP : 0; /* Fall Through */ default: - if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) + if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) return -EOPNOTSUPP; adapter->wol = 0; - if(wol->wolopts & WAKE_UCAST) + if (wol->wolopts & WAKE_UCAST) adapter->wol |= E1000_WUFC_EX; - if(wol->wolopts & WAKE_MCAST) + if (wol->wolopts & WAKE_MCAST) adapter->wol |= E1000_WUFC_MC; - if(wol->wolopts & WAKE_BCAST) + if (wol->wolopts & WAKE_BCAST) adapter->wol |= E1000_WUFC_BC; - if(wol->wolopts & WAKE_MAGIC) + if (wol->wolopts & WAKE_MAGIC) adapter->wol |= E1000_WUFC_MAG; } @@ -1644,7 +1726,7 @@ e1000_led_blink_callback(unsigned long data) { struct e1000_adapter *adapter = (struct e1000_adapter *) data; - if(test_and_change_bit(E1000_LED_ON, &adapter->led_status)) + if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) e1000_led_off(&adapter->hw); else e1000_led_on(&adapter->hw); @@ -1657,11 +1739,11 @@ e1000_phys_id(struct net_device *netdev, uint32_t data) { struct e1000_adapter *adapter = netdev_priv(netdev); - if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ)) + if (!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ)) data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ); - if(adapter->hw.mac_type < e1000_82571) { - if(!adapter->blink_timer.function) { + if (adapter->hw.mac_type < e1000_82571) { + if (!adapter->blink_timer.function) { init_timer(&adapter->blink_timer); adapter->blink_timer.function = e1000_led_blink_callback; adapter->blink_timer.data = (unsigned long) adapter; @@ -1670,13 +1752,21 @@ e1000_phys_id(struct net_device *netdev, uint32_t data) mod_timer(&adapter->blink_timer, jiffies); msleep_interruptible(data * 1000); del_timer_sync(&adapter->blink_timer); - } - else { - E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE | - E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK | - (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) | - (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) | - (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT))); + } else if (adapter->hw.mac_type < e1000_82573) { + E1000_WRITE_REG(&adapter->hw, LEDCTL, + (E1000_LEDCTL_LED2_BLINK_RATE | + E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK | + (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) | + (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) | + (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT))); + msleep_interruptible(data * 1000); + } else { + E1000_WRITE_REG(&adapter->hw, LEDCTL, + (E1000_LEDCTL_LED2_BLINK_RATE | + E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK | + (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) | + (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) | + (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT))); msleep_interruptible(data * 1000); } @@ -1691,50 +1781,89 @@ static int e1000_nway_reset(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); - if(netif_running(netdev)) { + if (netif_running(netdev)) { e1000_down(adapter); e1000_up(adapter); } return 0; } -static int +static int e1000_get_stats_count(struct net_device *netdev) { return E1000_STATS_LEN; } -static void -e1000_get_ethtool_stats(struct net_device *netdev, +static void +e1000_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats, uint64_t *data) { struct e1000_adapter *adapter = netdev_priv(netdev); +#ifdef CONFIG_E1000_MQ + uint64_t *queue_stat; + int stat_count = sizeof(struct e1000_queue_stats) / sizeof(uint64_t); + int j, k; +#endif int i; e1000_update_stats(adapter); - for(i = 0; i < E1000_STATS_LEN; i++) { - char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset; - data[i] = (e1000_gstrings_stats[i].sizeof_stat == + for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { + char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset; + data[i] = (e1000_gstrings_stats[i].sizeof_stat == sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p; } +#ifdef CONFIG_E1000_MQ + for (j = 0; j < adapter->num_tx_queues; j++) { + queue_stat = (uint64_t *)&adapter->tx_ring[j].tx_stats; + for (k = 0; k < stat_count; k++) + data[i + k] = queue_stat[k]; + i += k; + } + for (j = 0; j < adapter->num_rx_queues; j++) { + queue_stat = (uint64_t *)&adapter->rx_ring[j].rx_stats; + for (k = 0; k < stat_count; k++) + data[i + k] = queue_stat[k]; + i += k; + } +#endif +/* BUG_ON(i != E1000_STATS_LEN); */ } -static void +static void e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data) { +#ifdef CONFIG_E1000_MQ + struct e1000_adapter *adapter = netdev_priv(netdev); +#endif + uint8_t *p = data; int i; - switch(stringset) { + switch (stringset) { case ETH_SS_TEST: - memcpy(data, *e1000_gstrings_test, + memcpy(data, *e1000_gstrings_test, E1000_TEST_LEN*ETH_GSTRING_LEN); break; case ETH_SS_STATS: - for (i=0; i < E1000_STATS_LEN; i++) { - memcpy(data + i * ETH_GSTRING_LEN, - e1000_gstrings_stats[i].stat_string, - ETH_GSTRING_LEN); + for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { + memcpy(p, e1000_gstrings_stats[i].stat_string, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } +#ifdef CONFIG_E1000_MQ + for (i = 0; i < adapter->num_tx_queues; i++) { + sprintf(p, "tx_queue_%u_packets", i); + p += ETH_GSTRING_LEN; + sprintf(p, "tx_queue_%u_bytes", i); + p += ETH_GSTRING_LEN; } + for (i = 0; i < adapter->num_rx_queues; i++) { + sprintf(p, "rx_queue_%u_packets", i); + p += ETH_GSTRING_LEN; + sprintf(p, "rx_queue_%u_bytes", i); + p += ETH_GSTRING_LEN; + } +#endif +/* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */ break; } } diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index a267c5235fc..beeec0fbbea 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -318,6 +318,8 @@ e1000_set_mac_type(struct e1000_hw *hw) case E1000_DEV_ID_82546GB_FIBER: case E1000_DEV_ID_82546GB_SERDES: case E1000_DEV_ID_82546GB_PCIE: + case E1000_DEV_ID_82546GB_QUAD_COPPER: + case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: hw->mac_type = e1000_82546_rev_3; break; case E1000_DEV_ID_82541EI: @@ -563,11 +565,13 @@ e1000_reset_hw(struct e1000_hw *hw) msec_delay(20); break; case e1000_82573: - udelay(10); - ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); - ctrl_ext |= E1000_CTRL_EXT_EE_RST; - E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); - E1000_WRITE_FLUSH(hw); + if (e1000_is_onboard_nvm_eeprom(hw) == FALSE) { + udelay(10); + ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + ctrl_ext |= E1000_CTRL_EXT_EE_RST; + E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); + E1000_WRITE_FLUSH(hw); + } /* fall through */ case e1000_82571: case e1000_82572: @@ -637,6 +641,7 @@ e1000_init_hw(struct e1000_hw *hw) uint16_t cmd_mmrbc; uint16_t stat_mmrbc; uint32_t mta_size; + uint32_t ctrl_ext; DEBUGFUNC("e1000_init_hw"); @@ -733,7 +738,6 @@ e1000_init_hw(struct e1000_hw *hw) break; case e1000_82571: case e1000_82572: - ctrl |= (1 << 22); case e1000_82573: ctrl |= E1000_TXDCTL_COUNT_DESC; break; @@ -773,6 +777,15 @@ e1000_init_hw(struct e1000_hw *hw) */ e1000_clear_hw_cntrs(hw); + if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER || + hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) { + ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + /* Relaxed ordering must be disabled to avoid a parity + * error crash in a PCI slot. */ + ctrl_ext |= E1000_CTRL_EXT_RO_DIS; + E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); + } + return ret_val; } @@ -836,6 +849,11 @@ e1000_setup_link(struct e1000_hw *hw) DEBUGFUNC("e1000_setup_link"); + /* In the case of the phy reset being blocked, we already have a link. + * We do not have to set it up again. */ + if (e1000_check_phy_reset_block(hw)) + return E1000_SUCCESS; + /* Read and store word 0x0F of the EEPROM. This word contains bits * that determine the hardware's default PAUSE (flow control) mode, * a bit that determines whether the HW defaults to enabling or @@ -844,19 +862,27 @@ e1000_setup_link(struct e1000_hw *hw) * control setting, then the variable hw->fc will * be initialized based on a value in the EEPROM. */ - if(e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data)) { - DEBUGOUT("EEPROM Read Error\n"); - return -E1000_ERR_EEPROM; - } - - if(hw->fc == e1000_fc_default) { - if((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0) - hw->fc = e1000_fc_none; - else if((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == - EEPROM_WORD0F_ASM_DIR) - hw->fc = e1000_fc_tx_pause; - else + if (hw->fc == e1000_fc_default) { + switch (hw->mac_type) { + case e1000_82573: hw->fc = e1000_fc_full; + break; + default: + ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, + 1, &eeprom_data); + if (ret_val) { + DEBUGOUT("EEPROM Read Error\n"); + return -E1000_ERR_EEPROM; + } + if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0) + hw->fc = e1000_fc_none; + else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == + EEPROM_WORD0F_ASM_DIR) + hw->fc = e1000_fc_tx_pause; + else + hw->fc = e1000_fc_full; + break; + } } /* We want to save off the original Flow Control configuration just @@ -1574,10 +1600,10 @@ e1000_phy_setup_autoneg(struct e1000_hw *hw) if(ret_val) return ret_val; - /* Read the MII 1000Base-T Control Register (Address 9). */ - ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg); - if(ret_val) - return ret_val; + /* Read the MII 1000Base-T Control Register (Address 9). */ + ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg); + if(ret_val) + return ret_val; /* Need to parse both autoneg_advertised and fc and set up * the appropriate PHY registers. First we will parse for @@ -1919,14 +1945,19 @@ e1000_phy_force_speed_duplex(struct e1000_hw *hw) void e1000_config_collision_dist(struct e1000_hw *hw) { - uint32_t tctl; + uint32_t tctl, coll_dist; DEBUGFUNC("e1000_config_collision_dist"); + if (hw->mac_type < e1000_82543) + coll_dist = E1000_COLLISION_DISTANCE_82542; + else + coll_dist = E1000_COLLISION_DISTANCE; + tctl = E1000_READ_REG(hw, TCTL); tctl &= ~E1000_TCTL_COLD; - tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT; + tctl |= coll_dist << E1000_COLD_SHIFT; E1000_WRITE_REG(hw, TCTL, tctl); E1000_WRITE_FLUSH(hw); @@ -2962,13 +2993,24 @@ e1000_phy_hw_reset(struct e1000_hw *hw) if(hw->mac_type > e1000_82543) { /* Read the device control register and assert the E1000_CTRL_PHY_RST * bit. Then, take it out of reset. + * For pre-e1000_82571 hardware, we delay for 10ms between the assert + * and deassert. For e1000_82571 hardware and later, we instead delay + * for 10ms after the deassertion. */ ctrl = E1000_READ_REG(hw, CTRL); E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PHY_RST); E1000_WRITE_FLUSH(hw); - msec_delay(10); + + if (hw->mac_type < e1000_82571) + msec_delay(10); + else + udelay(100); + E1000_WRITE_REG(hw, CTRL, ctrl); E1000_WRITE_FLUSH(hw); + + if (hw->mac_type >= e1000_82571) + msec_delay(10); } else { /* Read the Extended Device Control Register, assert the PHY_RESET_DIR * bit to put the PHY into reset. Then, take it out of reset. @@ -3862,17 +3904,19 @@ e1000_read_eeprom(struct e1000_hw *hw, return -E1000_ERR_EEPROM; } - /* FLASH reads without acquiring the semaphore are safe in 82573-based - * controllers. - */ - if ((e1000_is_onboard_nvm_eeprom(hw) == TRUE) || - (hw->mac_type != e1000_82573)) { - /* Prepare the EEPROM for reading */ - if(e1000_acquire_eeprom(hw) != E1000_SUCCESS) - return -E1000_ERR_EEPROM; + /* FLASH reads without acquiring the semaphore are safe */ + if (e1000_is_onboard_nvm_eeprom(hw) == TRUE && + hw->eeprom.use_eerd == FALSE) { + switch (hw->mac_type) { + default: + /* Prepare the EEPROM for reading */ + if (e1000_acquire_eeprom(hw) != E1000_SUCCESS) + return -E1000_ERR_EEPROM; + break; + } } - if(eeprom->use_eerd == TRUE) { + if (eeprom->use_eerd == TRUE) { ret_val = e1000_read_eeprom_eerd(hw, offset, words, data); if ((e1000_is_onboard_nvm_eeprom(hw) == TRUE) || (hw->mac_type != e1000_82573)) @@ -4379,7 +4423,7 @@ e1000_commit_shadow_ram(struct e1000_hw *hw) return -E1000_ERR_EEPROM; } - /* If STM opcode located in bits 15:8 of flop, reset firmware */ + /* If STM opcode located in bits 15:8 of flop, reset firmware */ if ((flop & 0xFF00) == E1000_STM_OPCODE) { E1000_WRITE_REG(hw, HICR, E1000_HICR_FW_RESET); } @@ -4387,7 +4431,7 @@ e1000_commit_shadow_ram(struct e1000_hw *hw) /* Perform the flash update */ E1000_WRITE_REG(hw, EECD, eecd | E1000_EECD_FLUPD); - for (i=0; i < attempts; i++) { + for (i=0; i < attempts; i++) { eecd = E1000_READ_REG(hw, EECD); if ((eecd & E1000_EECD_FLUPD) == 0) { break; @@ -4460,6 +4504,7 @@ e1000_read_mac_addr(struct e1000_hw * hw) hw->perm_mac_addr[i] = (uint8_t) (eeprom_data & 0x00FF); hw->perm_mac_addr[i+1] = (uint8_t) (eeprom_data >> 8); } + switch (hw->mac_type) { default: break; @@ -5278,11 +5323,15 @@ e1000_get_bus_info(struct e1000_hw *hw) hw->bus_speed = e1000_bus_speed_unknown; hw->bus_width = e1000_bus_width_unknown; break; - case e1000_82571: case e1000_82572: case e1000_82573: hw->bus_type = e1000_bus_type_pci_express; hw->bus_speed = e1000_bus_speed_2500; + hw->bus_width = e1000_bus_width_pciex_1; + break; + case e1000_82571: + hw->bus_type = e1000_bus_type_pci_express; + hw->bus_speed = e1000_bus_speed_2500; hw->bus_width = e1000_bus_width_pciex_4; break; default: @@ -6650,6 +6699,12 @@ e1000_get_auto_rd_done(struct e1000_hw *hw) break; } + /* PHY configuration from NVM just starts after EECD_AUTO_RD sets to high. + * Need to wait for PHY configuration completion before accessing NVM + * and PHY. */ + if (hw->mac_type == e1000_82573) + msec_delay(25); + return E1000_SUCCESS; } @@ -6691,6 +6746,12 @@ e1000_get_phy_cfg_done(struct e1000_hw *hw) break; } + /* PHY configuration from NVM just starts after EECD_AUTO_RD sets to high. + * Need to wait for PHY configuration completion before accessing NVM + * and PHY. */ + if (hw->mac_type == e1000_82573) + msec_delay(25); + return E1000_SUCCESS; } @@ -6780,7 +6841,8 @@ int32_t e1000_check_phy_reset_block(struct e1000_hw *hw) { uint32_t manc = 0; - if(hw->mac_type > e1000_82547_rev_2) + + if (hw->mac_type > e1000_82547_rev_2) manc = E1000_READ_REG(hw, MANC); return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ? E1000_BLK_PHY_RESET : E1000_SUCCESS; diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index 76ce12809a1..f1219dd9dba 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -123,6 +123,7 @@ typedef enum { e1000_bus_width_32, e1000_bus_width_64, e1000_bus_width_pciex_1, + e1000_bus_width_pciex_2, e1000_bus_width_pciex_4, e1000_bus_width_reserved } e1000_bus_width; @@ -149,6 +150,7 @@ typedef enum { e1000_igp_cable_length_90 = 90, e1000_igp_cable_length_100 = 100, e1000_igp_cable_length_110 = 110, + e1000_igp_cable_length_115 = 115, e1000_igp_cable_length_120 = 120, e1000_igp_cable_length_130 = 130, e1000_igp_cable_length_140 = 140, @@ -375,6 +377,7 @@ int32_t e1000_swfw_sync_acquire(struct e1000_hw *hw, uint16_t mask); void e1000_swfw_sync_release(struct e1000_hw *hw, uint16_t mask); /* Filters (multicast, vlan, receive) */ +void e1000_mc_addr_list_update(struct e1000_hw *hw, uint8_t * mc_addr_list, uint32_t mc_addr_count, uint32_t pad, uint32_t rar_used_count); uint32_t e1000_hash_mc_addr(struct e1000_hw *hw, uint8_t * mc_addr); void e1000_mta_set(struct e1000_hw *hw, uint32_t hash_value); void e1000_rar_set(struct e1000_hw *hw, uint8_t * mc_addr, uint32_t rar_index); @@ -399,7 +402,9 @@ void e1000_read_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t * value); void e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t * value); /* Port I/O is only supported on 82544 and newer */ uint32_t e1000_io_read(struct e1000_hw *hw, unsigned long port); +uint32_t e1000_read_reg_io(struct e1000_hw *hw, uint32_t offset); void e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value); +void e1000_enable_pciex_master(struct e1000_hw *hw); int32_t e1000_disable_pciex_master(struct e1000_hw *hw); int32_t e1000_get_software_semaphore(struct e1000_hw *hw); void e1000_release_software_semaphore(struct e1000_hw *hw); @@ -437,6 +442,7 @@ int32_t e1000_check_phy_reset_block(struct e1000_hw *hw); #define E1000_DEV_ID_82546GB_FIBER 0x107A #define E1000_DEV_ID_82546GB_SERDES 0x107B #define E1000_DEV_ID_82546GB_PCIE 0x108A +#define E1000_DEV_ID_82546GB_QUAD_COPPER 0x1099 #define E1000_DEV_ID_82547EI 0x1019 #define E1000_DEV_ID_82571EB_COPPER 0x105E #define E1000_DEV_ID_82571EB_FIBER 0x105F @@ -447,6 +453,7 @@ int32_t e1000_check_phy_reset_block(struct e1000_hw *hw); #define E1000_DEV_ID_82573E 0x108B #define E1000_DEV_ID_82573E_IAMT 0x108C #define E1000_DEV_ID_82573L 0x109A +#define E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3 0x10B5 #define NODE_ADDRESS_SIZE 6 @@ -895,14 +902,14 @@ struct e1000_ffvt_entry { #define E1000_TXDCTL 0x03828 /* TX Descriptor Control - RW */ #define E1000_TADV 0x0382C /* TX Interrupt Absolute Delay Val - RW */ #define E1000_TSPMT 0x03830 /* TCP Segmentation PAD & Min Threshold - RW */ -#define E1000_TARC0 0x03840 /* TX Arbitration Count (0) */ -#define E1000_TDBAL1 0x03900 /* TX Desc Base Address Low (1) - RW */ -#define E1000_TDBAH1 0x03904 /* TX Desc Base Address High (1) - RW */ -#define E1000_TDLEN1 0x03908 /* TX Desc Length (1) - RW */ -#define E1000_TDH1 0x03910 /* TX Desc Head (1) - RW */ -#define E1000_TDT1 0x03918 /* TX Desc Tail (1) - RW */ -#define E1000_TXDCTL1 0x03928 /* TX Descriptor Control (1) - RW */ -#define E1000_TARC1 0x03940 /* TX Arbitration Count (1) */ +#define E1000_TARC0 0x03840 /* TX Arbitration Count (0) */ +#define E1000_TDBAL1 0x03900 /* TX Desc Base Address Low (1) - RW */ +#define E1000_TDBAH1 0x03904 /* TX Desc Base Address High (1) - RW */ +#define E1000_TDLEN1 0x03908 /* TX Desc Length (1) - RW */ +#define E1000_TDH1 0x03910 /* TX Desc Head (1) - RW */ +#define E1000_TDT1 0x03918 /* TX Desc Tail (1) - RW */ +#define E1000_TXDCTL1 0x03928 /* TX Descriptor Control (1) - RW */ +#define E1000_TARC1 0x03940 /* TX Arbitration Count (1) */ #define E1000_CRCERRS 0x04000 /* CRC Error Count - R/clr */ #define E1000_ALGNERRC 0x04004 /* Alignment Error Count - R/clr */ #define E1000_SYMERRS 0x04008 /* Symbol Error Count - R/clr */ @@ -1457,6 +1464,7 @@ struct e1000_hw { #define E1000_EECD_AUPDEN 0x00100000 /* Enable Autonomous FLASH update */ #define E1000_EECD_SHADV 0x00200000 /* Shadow RAM Data Valid */ #define E1000_EECD_SEC1VAL 0x00400000 /* Sector One Valid */ +#define E1000_EECD_SECVAL_SHIFT 22 #define E1000_STM_OPCODE 0xDB00 #define E1000_HICR_FW_RESET 0xC0 @@ -1494,6 +1502,7 @@ struct e1000_hw { #define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */ #define E1000_CTRL_EXT_IPS 0x00004000 /* Invert Power State */ #define E1000_CTRL_EXT_SPD_BYPS 0x00008000 /* Speed Select Bypass */ +#define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */ #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 #define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000 #define E1000_CTRL_EXT_LINK_MODE_TBI 0x00C00000 @@ -1755,7 +1764,6 @@ struct e1000_hw { #define E1000_TXDCTL_FULL_TX_DESC_WB 0x01010000 /* GRAN=1, WTHRESH=1 */ #define E1000_TXDCTL_COUNT_DESC 0x00400000 /* Enable the counting of desc. still to be processed. */ - /* Transmit Configuration Word */ #define E1000_TXCW_FD 0x00000020 /* TXCW full duplex */ #define E1000_TXCW_HD 0x00000040 /* TXCW half duplex */ @@ -1951,7 +1959,23 @@ struct e1000_host_command_info { #define E1000_MDALIGN 4096 -#define E1000_GCR_BEM32 0x00400000 +/* PCI-Ex registers */ + +/* PCI-Ex Control Register */ +#define E1000_GCR_RXD_NO_SNOOP 0x00000001 +#define E1000_GCR_RXDSCW_NO_SNOOP 0x00000002 +#define E1000_GCR_RXDSCR_NO_SNOOP 0x00000004 +#define E1000_GCR_TXD_NO_SNOOP 0x00000008 +#define E1000_GCR_TXDSCW_NO_SNOOP 0x00000010 +#define E1000_GCR_TXDSCR_NO_SNOOP 0x00000020 + +#define PCI_EX_NO_SNOOP_ALL (E1000_GCR_RXD_NO_SNOOP | \ + E1000_GCR_RXDSCW_NO_SNOOP | \ + E1000_GCR_RXDSCR_NO_SNOOP | \ + E1000_GCR TXD_NO_SNOOP | \ + E1000_GCR_TXDSCW_NO_SNOOP | \ + E1000_GCR_TXDSCR_NO_SNOOP) + #define E1000_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000 /* Function Active and Power State to MNG */ #define E1000_FACTPS_FUNC0_POWER_STATE_MASK 0x00000003 @@ -2075,7 +2099,10 @@ struct e1000_host_command_info { /* Collision related configuration parameters */ #define E1000_COLLISION_THRESHOLD 15 #define E1000_CT_SHIFT 4 -#define E1000_COLLISION_DISTANCE 64 +/* Collision distance is a 0-based value that applies to + * half-duplex-capable hardware only. */ +#define E1000_COLLISION_DISTANCE 63 +#define E1000_COLLISION_DISTANCE_82542 64 #define E1000_FDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE #define E1000_HDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE #define E1000_COLD_SHIFT 12 diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 8b207f0e139..31e332935e5 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -29,11 +29,71 @@ #include "e1000.h" /* Change Log - * 6.0.58 4/20/05 - * o Accepted ethtool cleanup patch from Stephen Hemminger - * 6.0.44+ 2/15/05 - * o applied Anton's patch to resolve tx hang in hardware - * o Applied Andrew Mortons patch - e1000 stops working after resume + * 6.3.9 12/16/2005 + * o incorporate fix for recycled skbs from IBM LTC + * 6.3.7 11/18/2005 + * o Honor eeprom setting for enabling/disabling Wake On Lan + * 6.3.5 11/17/2005 + * o Fix memory leak in rx ring handling for PCI Express adapters + * 6.3.4 11/8/05 + * o Patch from Jesper Juhl to remove redundant NULL checks for kfree + * 6.3.2 9/20/05 + * o Render logic that sets/resets DRV_LOAD as inline functions to + * avoid code replication. If f/w is AMT then set DRV_LOAD only when + * network interface is open. + * o Handle DRV_LOAD set/reset in cases where AMT uses VLANs. + * o Adjust PBA partioning for Jumbo frames using MTU size and not + * rx_buffer_len + * 6.3.1 9/19/05 + * o Use adapter->tx_timeout_factor in Tx Hung Detect logic + (e1000_clean_tx_irq) + * o Support for 8086:10B5 device (Quad Port) + * 6.2.14 9/15/05 + * o In AMT enabled configurations, set/reset DRV_LOAD bit on interface + * open/close + * 6.2.13 9/14/05 + * o Invoke e1000_check_mng_mode only for 8257x controllers since it + * accesses the FWSM that is not supported in other controllers + * 6.2.12 9/9/05 + * o Add support for device id E1000_DEV_ID_82546GB_QUAD_COPPER + * o set RCTL:SECRC only for controllers newer than 82543. + * o When the n/w interface comes down reset DRV_LOAD bit to notify f/w. + * This code was moved from e1000_remove to e1000_close + * 6.2.10 9/6/05 + * o Fix error in updating RDT in el1000_alloc_rx_buffers[_ps] -- one off. + * o Enable fc by default on 82573 controllers (do not read eeprom) + * o Fix rx_errors statistic not to include missed_packet_count + * o Fix rx_dropped statistic not to include missed_packet_count + (Padraig Brady) + * 6.2.9 8/30/05 + * o Remove call to update statistics from the controller ib e1000_get_stats + * 6.2.8 8/30/05 + * o Improved algorithm for rx buffer allocation/rdt update + * o Flow control watermarks relative to rx PBA size + * o Simplified 'Tx Hung' detect logic + * 6.2.7 8/17/05 + * o Report rx buffer allocation failures and tx timeout counts in stats + * 6.2.6 8/16/05 + * o Implement workaround for controller erratum -- linear non-tso packet + * following a TSO gets written back prematurely + * 6.2.5 8/15/05 + * o Set netdev->tx_queue_len based on link speed/duplex settings. + * o Fix net_stats.rx_fifo_errors <p@draigBrady.com> + * o Do not power off PHY if SoL/IDER session is active + * 6.2.4 8/10/05 + * o Fix loopback test setup/cleanup for 82571/3 controllers + * o Fix parsing of outgoing packets (e1000_transfer_dhcp_info) to treat + * all packets as raw + * o Prevent operations that will cause the PHY to be reset if SoL/IDER + * sessions are active and log a message + * 6.2.2 7/21/05 + * o used fixed size descriptors for all MTU sizes, reduces memory load + * 6.1.2 4/13/05 + * o Fixed ethtool diagnostics + * o Enabled flow control to take default eeprom settings + * o Added stats_lock around e1000_read_phy_reg commands to avoid concurrent + * calls, one from mii_ioctl and other from within update_stats while + * processing MIIREG ioctl. */ char e1000_driver_name[] = "e1000"; @@ -43,7 +103,7 @@ static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; #else #define DRIVERNAPI "-NAPI" #endif -#define DRV_VERSION "6.1.16-k2"DRIVERNAPI +#define DRV_VERSION "6.3.9-k2"DRIVERNAPI char e1000_driver_version[] = DRV_VERSION; static char e1000_copyright[] = "Copyright (c) 1999-2005 Intel Corporation."; @@ -97,7 +157,9 @@ static struct pci_device_id e1000_pci_tbl[] = { INTEL_E1000_ETHERNET_DEVICE(0x108A), INTEL_E1000_ETHERNET_DEVICE(0x108B), INTEL_E1000_ETHERNET_DEVICE(0x108C), + INTEL_E1000_ETHERNET_DEVICE(0x1099), INTEL_E1000_ETHERNET_DEVICE(0x109A), + INTEL_E1000_ETHERNET_DEVICE(0x10B5), /* required last entry */ {0,} }; @@ -171,9 +233,11 @@ static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, struct e1000_rx_ring *rx_ring); #endif static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring); + struct e1000_rx_ring *rx_ring, + int cleaned_count); static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring); + struct e1000_rx_ring *rx_ring, + int cleaned_count); static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); @@ -291,7 +355,7 @@ e1000_irq_disable(struct e1000_adapter *adapter) static inline void e1000_irq_enable(struct e1000_adapter *adapter) { - if(likely(atomic_dec_and_test(&adapter->irq_sem))) { + if (likely(atomic_dec_and_test(&adapter->irq_sem))) { E1000_WRITE_REG(&adapter->hw, IMS, IMS_ENABLE_MASK); E1000_WRITE_FLUSH(&adapter->hw); } @@ -303,23 +367,91 @@ e1000_update_mng_vlan(struct e1000_adapter *adapter) struct net_device *netdev = adapter->netdev; uint16_t vid = adapter->hw.mng_cookie.vlan_id; uint16_t old_vid = adapter->mng_vlan_id; - if(adapter->vlgrp) { - if(!adapter->vlgrp->vlan_devices[vid]) { - if(adapter->hw.mng_cookie.status & + if (adapter->vlgrp) { + if (!adapter->vlgrp->vlan_devices[vid]) { + if (adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) { e1000_vlan_rx_add_vid(netdev, vid); adapter->mng_vlan_id = vid; } else adapter->mng_vlan_id = E1000_MNG_VLAN_NONE; - - if((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) && - (vid != old_vid) && + + if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) && + (vid != old_vid) && !adapter->vlgrp->vlan_devices[old_vid]) e1000_vlan_rx_kill_vid(netdev, old_vid); } } } - + +/** + * e1000_release_hw_control - release control of the h/w to f/w + * @adapter: address of board private structure + * + * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit. + * For ASF and Pass Through versions of f/w this means that the + * driver is no longer loaded. For AMT version (only with 82573) i + * of the f/w this means that the netowrk i/f is closed. + * + **/ + +static inline void +e1000_release_hw_control(struct e1000_adapter *adapter) +{ + uint32_t ctrl_ext; + uint32_t swsm; + + /* Let firmware taken over control of h/w */ + switch (adapter->hw.mac_type) { + case e1000_82571: + case e1000_82572: + ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); + E1000_WRITE_REG(&adapter->hw, CTRL_EXT, + ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); + break; + case e1000_82573: + swsm = E1000_READ_REG(&adapter->hw, SWSM); + E1000_WRITE_REG(&adapter->hw, SWSM, + swsm & ~E1000_SWSM_DRV_LOAD); + default: + break; + } +} + +/** + * e1000_get_hw_control - get control of the h/w from f/w + * @adapter: address of board private structure + * + * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit. + * For ASF and Pass Through versions of f/w this means that + * the driver is loaded. For AMT version (only with 82573) + * of the f/w this means that the netowrk i/f is open. + * + **/ + +static inline void +e1000_get_hw_control(struct e1000_adapter *adapter) +{ + uint32_t ctrl_ext; + uint32_t swsm; + /* Let firmware know the driver has taken over */ + switch (adapter->hw.mac_type) { + case e1000_82571: + case e1000_82572: + ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); + E1000_WRITE_REG(&adapter->hw, CTRL_EXT, + ctrl_ext | E1000_CTRL_EXT_DRV_LOAD); + break; + case e1000_82573: + swsm = E1000_READ_REG(&adapter->hw, SWSM); + E1000_WRITE_REG(&adapter->hw, SWSM, + swsm | E1000_SWSM_DRV_LOAD); + break; + default: + break; + } +} + int e1000_up(struct e1000_adapter *adapter) { @@ -329,10 +461,10 @@ e1000_up(struct e1000_adapter *adapter) /* hardware has been reset, we need to reload some things */ /* Reset the PHY if it was previously powered down */ - if(adapter->hw.media_type == e1000_media_type_copper) { + if (adapter->hw.media_type == e1000_media_type_copper) { uint16_t mii_reg; e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg); - if(mii_reg & MII_CR_POWER_DOWN) + if (mii_reg & MII_CR_POWER_DOWN) e1000_phy_reset(&adapter->hw); } @@ -343,20 +475,26 @@ e1000_up(struct e1000_adapter *adapter) e1000_configure_tx(adapter); e1000_setup_rctl(adapter); e1000_configure_rx(adapter); - for (i = 0; i < adapter->num_queues; i++) - adapter->alloc_rx_buf(adapter, &adapter->rx_ring[i]); + /* call E1000_DESC_UNUSED which always leaves + * at least 1 descriptor unused to make sure + * next_to_use != next_to_clean */ + for (i = 0; i < adapter->num_rx_queues; i++) { + struct e1000_rx_ring *ring = &adapter->rx_ring[i]; + adapter->alloc_rx_buf(adapter, ring, + E1000_DESC_UNUSED(ring)); + } #ifdef CONFIG_PCI_MSI - if(adapter->hw.mac_type > e1000_82547_rev_2) { + if (adapter->hw.mac_type > e1000_82547_rev_2) { adapter->have_msi = TRUE; - if((err = pci_enable_msi(adapter->pdev))) { + if ((err = pci_enable_msi(adapter->pdev))) { DPRINTK(PROBE, ERR, "Unable to allocate MSI interrupt Error: %d\n", err); adapter->have_msi = FALSE; } } #endif - if((err = request_irq(adapter->pdev->irq, &e1000_intr, + if ((err = request_irq(adapter->pdev->irq, &e1000_intr, SA_SHIRQ | SA_SAMPLE_RANDOM, netdev->name, netdev))) { DPRINTK(PROBE, ERR, @@ -364,6 +502,12 @@ e1000_up(struct e1000_adapter *adapter) return err; } +#ifdef CONFIG_E1000_MQ + e1000_setup_queue_mapping(adapter); +#endif + + adapter->tx_queue_len = netdev->tx_queue_len; + mod_timer(&adapter->watchdog_timer, jiffies); #ifdef CONFIG_E1000_NAPI @@ -378,6 +522,8 @@ void e1000_down(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; + boolean_t mng_mode_enabled = (adapter->hw.mac_type >= e1000_82571) && + e1000_check_mng_mode(&adapter->hw); e1000_irq_disable(adapter); #ifdef CONFIG_E1000_MQ @@ -385,7 +531,7 @@ e1000_down(struct e1000_adapter *adapter) #endif free_irq(adapter->pdev->irq, netdev); #ifdef CONFIG_PCI_MSI - if(adapter->hw.mac_type > e1000_82547_rev_2 && + if (adapter->hw.mac_type > e1000_82547_rev_2 && adapter->have_msi == TRUE) pci_disable_msi(adapter->pdev); #endif @@ -396,6 +542,7 @@ e1000_down(struct e1000_adapter *adapter) #ifdef CONFIG_E1000_NAPI netif_poll_disable(netdev); #endif + netdev->tx_queue_len = adapter->tx_queue_len; adapter->link_speed = 0; adapter->link_duplex = 0; netif_carrier_off(netdev); @@ -405,12 +552,16 @@ e1000_down(struct e1000_adapter *adapter) e1000_clean_all_tx_rings(adapter); e1000_clean_all_rx_rings(adapter); - /* If WoL is not enabled and management mode is not IAMT - * Power down the PHY so no link is implied when interface is down */ - if(!adapter->wol && adapter->hw.mac_type >= e1000_82540 && + /* Power down the PHY so no link is implied when interface is down * + * The PHY cannot be powered down if any of the following is TRUE * + * (a) WoL is enabled + * (b) AMT is active + * (c) SoL/IDER session is active */ + if (!adapter->wol && adapter->hw.mac_type >= e1000_82540 && adapter->hw.media_type == e1000_media_type_copper && - !e1000_check_mng_mode(&adapter->hw) && - !(E1000_READ_REG(&adapter->hw, MANC) & E1000_MANC_SMBUS_EN)) { + !(E1000_READ_REG(&adapter->hw, MANC) & E1000_MANC_SMBUS_EN) && + !mng_mode_enabled && + !e1000_check_phy_reset_block(&adapter->hw)) { uint16_t mii_reg; e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg); mii_reg |= MII_CR_POWER_DOWN; @@ -422,10 +573,8 @@ e1000_down(struct e1000_adapter *adapter) void e1000_reset(struct e1000_adapter *adapter) { - struct net_device *netdev = adapter->netdev; uint32_t pba, manc; uint16_t fc_high_water_mark = E1000_FC_HIGH_DIFF; - uint16_t fc_low_water_mark = E1000_FC_LOW_DIFF; /* Repartition Pba for greater than 9k mtu * To take effect CTRL.RST is required. @@ -448,19 +597,12 @@ e1000_reset(struct e1000_adapter *adapter) break; } - if((adapter->hw.mac_type != e1000_82573) && - (adapter->rx_buffer_len > E1000_RXBUFFER_8192)) { + if ((adapter->hw.mac_type != e1000_82573) && + (adapter->netdev->mtu > E1000_RXBUFFER_8192)) pba -= 8; /* allocate more FIFO for Tx */ - /* send an XOFF when there is enough space in the - * Rx FIFO to hold one extra full size Rx packet - */ - fc_high_water_mark = netdev->mtu + ENET_HEADER_SIZE + - ETHERNET_FCS_SIZE + 1; - fc_low_water_mark = fc_high_water_mark + 8; - } - if(adapter->hw.mac_type == e1000_82547) { + if (adapter->hw.mac_type == e1000_82547) { adapter->tx_fifo_head = 0; adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT; adapter->tx_fifo_size = @@ -471,19 +613,21 @@ e1000_reset(struct e1000_adapter *adapter) E1000_WRITE_REG(&adapter->hw, PBA, pba); /* flow control settings */ - adapter->hw.fc_high_water = (pba << E1000_PBA_BYTES_SHIFT) - - fc_high_water_mark; - adapter->hw.fc_low_water = (pba << E1000_PBA_BYTES_SHIFT) - - fc_low_water_mark; + /* Set the FC high water mark to 90% of the FIFO size. + * Required to clear last 3 LSB */ + fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8; + + adapter->hw.fc_high_water = fc_high_water_mark; + adapter->hw.fc_low_water = fc_high_water_mark - 8; adapter->hw.fc_pause_time = E1000_FC_PAUSE_TIME; adapter->hw.fc_send_xon = 1; adapter->hw.fc = adapter->hw.original_fc; /* Allow time for pending master requests to run */ e1000_reset_hw(&adapter->hw); - if(adapter->hw.mac_type >= e1000_82544) + if (adapter->hw.mac_type >= e1000_82544) E1000_WRITE_REG(&adapter->hw, WUC, 0); - if(e1000_init_hw(&adapter->hw)) + if (e1000_init_hw(&adapter->hw)) DPRINTK(PROBE, ERR, "Hardware Error\n"); e1000_update_mng_vlan(adapter); /* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */ @@ -517,33 +661,31 @@ e1000_probe(struct pci_dev *pdev, struct net_device *netdev; struct e1000_adapter *adapter; unsigned long mmio_start, mmio_len; - uint32_t ctrl_ext; - uint32_t swsm; static int cards_found = 0; int i, err, pci_using_dac; uint16_t eeprom_data; uint16_t eeprom_apme_mask = E1000_EEPROM_APME; - if((err = pci_enable_device(pdev))) + if ((err = pci_enable_device(pdev))) return err; - if(!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { + if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { pci_using_dac = 1; } else { - if((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) { + if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) { E1000_ERR("No usable DMA configuration, aborting\n"); return err; } pci_using_dac = 0; } - if((err = pci_request_regions(pdev, e1000_driver_name))) + if ((err = pci_request_regions(pdev, e1000_driver_name))) return err; pci_set_master(pdev); netdev = alloc_etherdev(sizeof(struct e1000_adapter)); - if(!netdev) { + if (!netdev) { err = -ENOMEM; goto err_alloc_etherdev; } @@ -562,15 +704,15 @@ e1000_probe(struct pci_dev *pdev, mmio_len = pci_resource_len(pdev, BAR_0); adapter->hw.hw_addr = ioremap(mmio_start, mmio_len); - if(!adapter->hw.hw_addr) { + if (!adapter->hw.hw_addr) { err = -EIO; goto err_ioremap; } - for(i = BAR_1; i <= BAR_5; i++) { - if(pci_resource_len(pdev, i) == 0) + for (i = BAR_1; i <= BAR_5; i++) { + if (pci_resource_len(pdev, i) == 0) continue; - if(pci_resource_flags(pdev, i) & IORESOURCE_IO) { + if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { adapter->hw.io_base = pci_resource_start(pdev, i); break; } @@ -607,13 +749,13 @@ e1000_probe(struct pci_dev *pdev, /* setup the private structure */ - if((err = e1000_sw_init(adapter))) + if ((err = e1000_sw_init(adapter))) goto err_sw_init; - if((err = e1000_check_phy_reset_block(&adapter->hw))) + if ((err = e1000_check_phy_reset_block(&adapter->hw))) DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n"); - if(adapter->hw.mac_type >= e1000_82543) { + if (adapter->hw.mac_type >= e1000_82543) { netdev->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_TX | @@ -622,16 +764,16 @@ e1000_probe(struct pci_dev *pdev, } #ifdef NETIF_F_TSO - if((adapter->hw.mac_type >= e1000_82544) && + if ((adapter->hw.mac_type >= e1000_82544) && (adapter->hw.mac_type != e1000_82547)) netdev->features |= NETIF_F_TSO; #ifdef NETIF_F_TSO_IPV6 - if(adapter->hw.mac_type > e1000_82547_rev_2) + if (adapter->hw.mac_type > e1000_82547_rev_2) netdev->features |= NETIF_F_TSO_IPV6; #endif #endif - if(pci_using_dac) + if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; /* hard_start_xmit is safe against parallel locking */ @@ -639,14 +781,14 @@ e1000_probe(struct pci_dev *pdev, adapter->en_mng_pt = e1000_enable_mng_pass_thru(&adapter->hw); - /* before reading the EEPROM, reset the controller to + /* before reading the EEPROM, reset the controller to * put the device in a known good starting state */ - + e1000_reset_hw(&adapter->hw); /* make sure the EEPROM is good */ - if(e1000_validate_eeprom_checksum(&adapter->hw) < 0) { + if (e1000_validate_eeprom_checksum(&adapter->hw) < 0) { DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n"); err = -EIO; goto err_eeprom; @@ -654,12 +796,12 @@ e1000_probe(struct pci_dev *pdev, /* copy the MAC address out of the EEPROM */ - if(e1000_read_mac_addr(&adapter->hw)) + if (e1000_read_mac_addr(&adapter->hw)) DPRINTK(PROBE, ERR, "EEPROM Read Error\n"); memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); - if(!is_valid_ether_addr(netdev->perm_addr)) { + if (!is_valid_ether_addr(netdev->perm_addr)) { DPRINTK(PROBE, ERR, "Invalid MAC Address\n"); err = -EIO; goto err_eeprom; @@ -699,7 +841,7 @@ e1000_probe(struct pci_dev *pdev, * enable the ACPI Magic Packet filter */ - switch(adapter->hw.mac_type) { + switch (adapter->hw.mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: case e1000_82543: @@ -711,8 +853,8 @@ e1000_probe(struct pci_dev *pdev, break; case e1000_82546: case e1000_82546_rev_3: - if((E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1) - && (adapter->hw.media_type == e1000_media_type_copper)) { + case e1000_82571: + if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1){ e1000_read_eeprom(&adapter->hw, EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data); break; @@ -723,31 +865,42 @@ e1000_probe(struct pci_dev *pdev, EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data); break; } - if(eeprom_data & eeprom_apme_mask) + if (eeprom_data & eeprom_apme_mask) adapter->wol |= E1000_WUFC_MAG; + /* print bus type/speed/width info */ + { + struct e1000_hw *hw = &adapter->hw; + DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ", + ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : + (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")), + ((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" : + (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" : + (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" : + (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" : + (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"), + ((hw->bus_width == e1000_bus_width_64) ? "64-bit" : + (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" : + (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" : + "32-bit")); + } + + for (i = 0; i < 6; i++) + printk("%2.2x%c", netdev->dev_addr[i], i == 5 ? '\n' : ':'); + /* reset the hardware with the new settings */ e1000_reset(adapter); - /* Let firmware know the driver has taken over */ - switch(adapter->hw.mac_type) { - case e1000_82571: - case e1000_82572: - ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); - E1000_WRITE_REG(&adapter->hw, CTRL_EXT, - ctrl_ext | E1000_CTRL_EXT_DRV_LOAD); - break; - case e1000_82573: - swsm = E1000_READ_REG(&adapter->hw, SWSM); - E1000_WRITE_REG(&adapter->hw, SWSM, - swsm | E1000_SWSM_DRV_LOAD); - break; - default: - break; - } + /* If the controller is 82573 and f/w is AMT, do not set + * DRV_LOAD until the interface is up. For all other cases, + * let the f/w know that the h/w is now under the control + * of the driver. */ + if (adapter->hw.mac_type != e1000_82573 || + !e1000_check_mng_mode(&adapter->hw)) + e1000_get_hw_control(adapter); strcpy(netdev->name, "eth%d"); - if((err = register_netdev(netdev))) + if ((err = register_netdev(netdev))) goto err_register; DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n"); @@ -781,47 +934,33 @@ e1000_remove(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); - uint32_t ctrl_ext; - uint32_t manc, swsm; + uint32_t manc; #ifdef CONFIG_E1000_NAPI int i; #endif flush_scheduled_work(); - if(adapter->hw.mac_type >= e1000_82540 && + if (adapter->hw.mac_type >= e1000_82540 && adapter->hw.media_type == e1000_media_type_copper) { manc = E1000_READ_REG(&adapter->hw, MANC); - if(manc & E1000_MANC_SMBUS_EN) { + if (manc & E1000_MANC_SMBUS_EN) { manc |= E1000_MANC_ARP_EN; E1000_WRITE_REG(&adapter->hw, MANC, manc); } } - switch(adapter->hw.mac_type) { - case e1000_82571: - case e1000_82572: - ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); - E1000_WRITE_REG(&adapter->hw, CTRL_EXT, - ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); - break; - case e1000_82573: - swsm = E1000_READ_REG(&adapter->hw, SWSM); - E1000_WRITE_REG(&adapter->hw, SWSM, - swsm & ~E1000_SWSM_DRV_LOAD); - break; - - default: - break; - } + /* Release control of h/w to f/w. If f/w is AMT enabled, this + * would have already happened in close and is redundant. */ + e1000_release_hw_control(adapter); unregister_netdev(netdev); #ifdef CONFIG_E1000_NAPI - for (i = 0; i < adapter->num_queues; i++) + for (i = 0; i < adapter->num_rx_queues; i++) __dev_put(&adapter->polling_netdev[i]); #endif - if(!e1000_check_phy_reset_block(&adapter->hw)) + if (!e1000_check_phy_reset_block(&adapter->hw)) e1000_phy_hw_reset(&adapter->hw); kfree(adapter->tx_ring); @@ -880,19 +1019,19 @@ e1000_sw_init(struct e1000_adapter *adapter) /* identify the MAC */ - if(e1000_set_mac_type(hw)) { + if (e1000_set_mac_type(hw)) { DPRINTK(PROBE, ERR, "Unknown MAC Type\n"); return -EIO; } /* initialize eeprom parameters */ - if(e1000_init_eeprom_params(hw)) { + if (e1000_init_eeprom_params(hw)) { E1000_ERR("EEPROM initialization failed\n"); return -EIO; } - switch(hw->mac_type) { + switch (hw->mac_type) { default: break; case e1000_82541: @@ -911,7 +1050,7 @@ e1000_sw_init(struct e1000_adapter *adapter) /* Copper options */ - if(hw->media_type == e1000_media_type_copper) { + if (hw->media_type == e1000_media_type_copper) { hw->mdix = AUTO_ALL_MODES; hw->disable_polarity_correction = FALSE; hw->master_slave = E1000_MASTER_SLAVE; @@ -922,15 +1061,34 @@ e1000_sw_init(struct e1000_adapter *adapter) switch (hw->mac_type) { case e1000_82571: case e1000_82572: - adapter->num_queues = 2; + /* These controllers support 2 tx queues, but with a single + * qdisc implementation, multiple tx queues aren't quite as + * interesting. If we can find a logical way of mapping + * flows to a queue, then perhaps we can up the num_tx_queue + * count back to its default. Until then, we run the risk of + * terrible performance due to SACK overload. */ + adapter->num_tx_queues = 1; + adapter->num_rx_queues = 2; break; default: - adapter->num_queues = 1; + adapter->num_tx_queues = 1; + adapter->num_rx_queues = 1; break; } - adapter->num_queues = min(adapter->num_queues, num_online_cpus()); + adapter->num_rx_queues = min(adapter->num_rx_queues, num_online_cpus()); + adapter->num_tx_queues = min(adapter->num_tx_queues, num_online_cpus()); + DPRINTK(DRV, INFO, "Multiqueue Enabled: Rx Queue count = %u %s\n", + adapter->num_rx_queues, + ((adapter->num_rx_queues == 1) + ? ((num_online_cpus() > 1) + ? "(due to unsupported feature in current adapter)" + : "(due to unsupported system configuration)") + : "")); + DPRINTK(DRV, INFO, "Multiqueue Enabled: Tx Queue count = %u\n", + adapter->num_tx_queues); #else - adapter->num_queues = 1; + adapter->num_tx_queues = 1; + adapter->num_rx_queues = 1; #endif if (e1000_alloc_queues(adapter)) { @@ -939,17 +1097,14 @@ e1000_sw_init(struct e1000_adapter *adapter) } #ifdef CONFIG_E1000_NAPI - for (i = 0; i < adapter->num_queues; i++) { + for (i = 0; i < adapter->num_rx_queues; i++) { adapter->polling_netdev[i].priv = adapter; adapter->polling_netdev[i].poll = &e1000_clean; adapter->polling_netdev[i].weight = 64; dev_hold(&adapter->polling_netdev[i]); set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state); } -#endif - -#ifdef CONFIG_E1000_MQ - e1000_setup_queue_mapping(adapter); + spin_lock_init(&adapter->tx_queue_lock); #endif atomic_set(&adapter->irq_sem, 1); @@ -972,13 +1127,13 @@ e1000_alloc_queues(struct e1000_adapter *adapter) { int size; - size = sizeof(struct e1000_tx_ring) * adapter->num_queues; + size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues; adapter->tx_ring = kmalloc(size, GFP_KERNEL); if (!adapter->tx_ring) return -ENOMEM; memset(adapter->tx_ring, 0, size); - size = sizeof(struct e1000_rx_ring) * adapter->num_queues; + size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues; adapter->rx_ring = kmalloc(size, GFP_KERNEL); if (!adapter->rx_ring) { kfree(adapter->tx_ring); @@ -987,7 +1142,7 @@ e1000_alloc_queues(struct e1000_adapter *adapter) memset(adapter->rx_ring, 0, size); #ifdef CONFIG_E1000_NAPI - size = sizeof(struct net_device) * adapter->num_queues; + size = sizeof(struct net_device) * adapter->num_rx_queues; adapter->polling_netdev = kmalloc(size, GFP_KERNEL); if (!adapter->polling_netdev) { kfree(adapter->tx_ring); @@ -997,6 +1152,14 @@ e1000_alloc_queues(struct e1000_adapter *adapter) memset(adapter->polling_netdev, 0, size); #endif +#ifdef CONFIG_E1000_MQ + adapter->rx_sched_call_data.func = e1000_rx_schedule; + adapter->rx_sched_call_data.info = adapter->netdev; + + adapter->cpu_netdev = alloc_percpu(struct net_device *); + adapter->cpu_tx_ring = alloc_percpu(struct e1000_tx_ring *); +#endif + return E1000_SUCCESS; } @@ -1016,14 +1179,15 @@ e1000_setup_queue_mapping(struct e1000_adapter *adapter) lock_cpu_hotplug(); i = 0; for_each_online_cpu(cpu) { - *per_cpu_ptr(adapter->cpu_tx_ring, cpu) = &adapter->tx_ring[i % adapter->num_queues]; + *per_cpu_ptr(adapter->cpu_tx_ring, cpu) = &adapter->tx_ring[i % adapter->num_tx_queues]; /* This is incomplete because we'd like to assign separate * physical cpus to these netdev polling structures and * avoid saturating a subset of cpus. */ - if (i < adapter->num_queues) { + if (i < adapter->num_rx_queues) { *per_cpu_ptr(adapter->cpu_netdev, cpu) = &adapter->polling_netdev[i]; - adapter->cpu_for_queue[i] = cpu; + adapter->rx_ring[i].cpu = cpu; + cpu_set(cpu, adapter->cpumask); } else *per_cpu_ptr(adapter->cpu_netdev, cpu) = NULL; @@ -1062,14 +1226,20 @@ e1000_open(struct net_device *netdev) if ((err = e1000_setup_all_rx_resources(adapter))) goto err_setup_rx; - if((err = e1000_up(adapter))) + if ((err = e1000_up(adapter))) goto err_up; adapter->mng_vlan_id = E1000_MNG_VLAN_NONE; - if((adapter->hw.mng_cookie.status & + if ((adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) { e1000_update_mng_vlan(adapter); } + /* If AMT is enabled, let the firmware know that the network + * interface is now open */ + if (adapter->hw.mac_type == e1000_82573 && + e1000_check_mng_mode(&adapter->hw)) + e1000_get_hw_control(adapter); + return E1000_SUCCESS; err_up: @@ -1104,10 +1274,17 @@ e1000_close(struct net_device *netdev) e1000_free_all_tx_resources(adapter); e1000_free_all_rx_resources(adapter); - if((adapter->hw.mng_cookie.status & + if ((adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) { e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id); } + + /* If AMT is enabled, let the firmware know that the network + * interface is now closed */ + if (adapter->hw.mac_type == e1000_82573 && + e1000_check_mng_mode(&adapter->hw)) + e1000_release_hw_control(adapter); + return 0; } @@ -1152,13 +1329,12 @@ e1000_setup_tx_resources(struct e1000_adapter *adapter, size = sizeof(struct e1000_buffer) * txdr->count; txdr->buffer_info = vmalloc_node(size, pcibus_to_node(pdev->bus)); - if(!txdr->buffer_info) { + if (!txdr->buffer_info) { DPRINTK(PROBE, ERR, "Unable to allocate memory for the transmit descriptor ring\n"); return -ENOMEM; } memset(txdr->buffer_info, 0, size); - memset(&txdr->previous_buffer_info, 0, sizeof(struct e1000_buffer)); /* round up to nearest 4K */ @@ -1166,7 +1342,7 @@ e1000_setup_tx_resources(struct e1000_adapter *adapter, E1000_ROUNDUP(txdr->size, 4096); txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma); - if(!txdr->desc) { + if (!txdr->desc) { setup_tx_desc_die: vfree(txdr->buffer_info); DPRINTK(PROBE, ERR, @@ -1182,8 +1358,8 @@ setup_tx_desc_die: "at %p\n", txdr->size, txdr->desc); /* Try again, without freeing the previous */ txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma); - if(!txdr->desc) { /* Failed allocation, critical failure */ + if (!txdr->desc) { pci_free_consistent(pdev, txdr->size, olddesc, olddma); goto setup_tx_desc_die; } @@ -1229,7 +1405,7 @@ e1000_setup_all_tx_resources(struct e1000_adapter *adapter) { int i, err = 0; - for (i = 0; i < adapter->num_queues; i++) { + for (i = 0; i < adapter->num_tx_queues; i++) { err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]); if (err) { DPRINTK(PROBE, ERR, @@ -1254,10 +1430,11 @@ e1000_configure_tx(struct e1000_adapter *adapter) uint64_t tdba; struct e1000_hw *hw = &adapter->hw; uint32_t tdlen, tctl, tipg, tarc; + uint32_t ipgr1, ipgr2; /* Setup the HW Tx Head and Tail descriptor pointers */ - switch (adapter->num_queues) { + switch (adapter->num_tx_queues) { case 2: tdba = adapter->tx_ring[1].dma; tdlen = adapter->tx_ring[1].count * @@ -1287,22 +1464,26 @@ e1000_configure_tx(struct e1000_adapter *adapter) /* Set the default values for the Tx Inter Packet Gap timer */ + if (hw->media_type == e1000_media_type_fiber || + hw->media_type == e1000_media_type_internal_serdes) + tipg = DEFAULT_82543_TIPG_IPGT_FIBER; + else + tipg = DEFAULT_82543_TIPG_IPGT_COPPER; + switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: tipg = DEFAULT_82542_TIPG_IPGT; - tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT; - tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; + ipgr1 = DEFAULT_82542_TIPG_IPGR1; + ipgr2 = DEFAULT_82542_TIPG_IPGR2; break; default: - if (hw->media_type == e1000_media_type_fiber || - hw->media_type == e1000_media_type_internal_serdes) - tipg = DEFAULT_82543_TIPG_IPGT_FIBER; - else - tipg = DEFAULT_82543_TIPG_IPGT_COPPER; - tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT; - tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; + ipgr1 = DEFAULT_82543_TIPG_IPGR1; + ipgr2 = DEFAULT_82543_TIPG_IPGR2; + break; } + tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT; + tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT; E1000_WRITE_REG(hw, TIPG, tipg); /* Set the Tx Interrupt Delay register */ @@ -1378,7 +1559,7 @@ e1000_setup_rx_resources(struct e1000_adapter *adapter, size = sizeof(struct e1000_ps_page) * rxdr->count; rxdr->ps_page = kmalloc(size, GFP_KERNEL); - if(!rxdr->ps_page) { + if (!rxdr->ps_page) { vfree(rxdr->buffer_info); DPRINTK(PROBE, ERR, "Unable to allocate memory for the receive descriptor ring\n"); @@ -1388,7 +1569,7 @@ e1000_setup_rx_resources(struct e1000_adapter *adapter, size = sizeof(struct e1000_ps_page_dma) * rxdr->count; rxdr->ps_page_dma = kmalloc(size, GFP_KERNEL); - if(!rxdr->ps_page_dma) { + if (!rxdr->ps_page_dma) { vfree(rxdr->buffer_info); kfree(rxdr->ps_page); DPRINTK(PROBE, ERR, @@ -1397,7 +1578,7 @@ e1000_setup_rx_resources(struct e1000_adapter *adapter, } memset(rxdr->ps_page_dma, 0, size); - if(adapter->hw.mac_type <= e1000_82547_rev_2) + if (adapter->hw.mac_type <= e1000_82547_rev_2) desc_len = sizeof(struct e1000_rx_desc); else desc_len = sizeof(union e1000_rx_desc_packet_split); @@ -1454,6 +1635,8 @@ setup_rx_desc_die: rxdr->next_to_clean = 0; rxdr->next_to_use = 0; + rxdr->rx_skb_top = NULL; + rxdr->rx_skb_prev = NULL; return 0; } @@ -1475,7 +1658,7 @@ e1000_setup_all_rx_resources(struct e1000_adapter *adapter) { int i, err = 0; - for (i = 0; i < adapter->num_queues; i++) { + for (i = 0; i < adapter->num_rx_queues; i++) { err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]); if (err) { DPRINTK(PROBE, ERR, @@ -1498,7 +1681,7 @@ e1000_setup_rctl(struct e1000_adapter *adapter) { uint32_t rctl, rfctl; uint32_t psrctl = 0; -#ifdef CONFIG_E1000_PACKET_SPLIT +#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT uint32_t pages = 0; #endif @@ -1510,7 +1693,10 @@ e1000_setup_rctl(struct e1000_adapter *adapter) E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT); - if(adapter->hw.tbi_compatibility_on == 1) + if (adapter->hw.mac_type > e1000_82543) + rctl |= E1000_RCTL_SECRC; + + if (adapter->hw.tbi_compatibility_on == 1) rctl |= E1000_RCTL_SBP; else rctl &= ~E1000_RCTL_SBP; @@ -1521,32 +1707,17 @@ e1000_setup_rctl(struct e1000_adapter *adapter) rctl |= E1000_RCTL_LPE; /* Setup buffer sizes */ - if(adapter->hw.mac_type >= e1000_82571) { + if (adapter->hw.mac_type >= e1000_82571) { /* We can now specify buffers in 1K increments. * BSIZE and BSEX are ignored in this case. */ rctl |= adapter->rx_buffer_len << 0x11; } else { rctl &= ~E1000_RCTL_SZ_4096; - rctl |= E1000_RCTL_BSEX; - switch (adapter->rx_buffer_len) { - case E1000_RXBUFFER_2048: - default: - rctl |= E1000_RCTL_SZ_2048; - rctl &= ~E1000_RCTL_BSEX; - break; - case E1000_RXBUFFER_4096: - rctl |= E1000_RCTL_SZ_4096; - break; - case E1000_RXBUFFER_8192: - rctl |= E1000_RCTL_SZ_8192; - break; - case E1000_RXBUFFER_16384: - rctl |= E1000_RCTL_SZ_16384; - break; - } + rctl &= ~E1000_RCTL_BSEX; + rctl |= E1000_RCTL_SZ_2048; } -#ifdef CONFIG_E1000_PACKET_SPLIT +#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT /* 82571 and greater support packet-split where the protocol * header is placed in skb->data and the packet data is * placed in pages hanging off of skb_shinfo(skb)->nr_frags. @@ -1570,7 +1741,7 @@ e1000_setup_rctl(struct e1000_adapter *adapter) E1000_WRITE_REG(&adapter->hw, RFCTL, rfctl); rctl |= E1000_RCTL_DTYP_PS | E1000_RCTL_SECRC; - + psrctl |= adapter->rx_ps_bsize0 >> E1000_PSRCTL_BSIZE0_SHIFT; @@ -1632,22 +1803,27 @@ e1000_configure_rx(struct e1000_adapter *adapter) if (hw->mac_type >= e1000_82540) { E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay); - if(adapter->itr > 1) + if (adapter->itr > 1) E1000_WRITE_REG(hw, ITR, 1000000000 / (adapter->itr * 256)); } if (hw->mac_type >= e1000_82571) { - /* Reset delay timers after every interrupt */ ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + /* Reset delay timers after every interrupt */ ctrl_ext |= E1000_CTRL_EXT_CANC; +#ifdef CONFIG_E1000_NAPI + /* Auto-Mask interrupts upon ICR read. */ + ctrl_ext |= E1000_CTRL_EXT_IAME; +#endif E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); + E1000_WRITE_REG(hw, IAM, ~0); E1000_WRITE_FLUSH(hw); } /* Setup the HW Rx Head and Tail Descriptor Pointers and * the Base and Length of the Rx Descriptor Ring */ - switch (adapter->num_queues) { + switch (adapter->num_rx_queues) { #ifdef CONFIG_E1000_MQ case 2: rdba = adapter->rx_ring[1].dma; @@ -1674,7 +1850,7 @@ e1000_configure_rx(struct e1000_adapter *adapter) } #ifdef CONFIG_E1000_MQ - if (adapter->num_queues > 1) { + if (adapter->num_rx_queues > 1) { uint32_t random[10]; get_random_bytes(&random[0], 40); @@ -1684,7 +1860,7 @@ e1000_configure_rx(struct e1000_adapter *adapter) E1000_WRITE_REG(hw, RSSIM, 0); } - switch (adapter->num_queues) { + switch (adapter->num_rx_queues) { case 2: default: reta = 0x00800080; @@ -1716,13 +1892,13 @@ e1000_configure_rx(struct e1000_adapter *adapter) /* Enable 82543 Receive Checksum Offload for TCP and UDP */ if (hw->mac_type >= e1000_82543) { rxcsum = E1000_READ_REG(hw, RXCSUM); - if(adapter->rx_csum == TRUE) { + if (adapter->rx_csum == TRUE) { rxcsum |= E1000_RXCSUM_TUOFL; /* Enable 82571 IPv4 payload checksum for UDP fragments * Must be used in conjunction with packet-split. */ - if ((hw->mac_type >= e1000_82571) && - (adapter->rx_ps_pages)) { + if ((hw->mac_type >= e1000_82571) && + (adapter->rx_ps_pages)) { rxcsum |= E1000_RXCSUM_IPPCSE; } } else { @@ -1776,7 +1952,7 @@ e1000_free_all_tx_resources(struct e1000_adapter *adapter) { int i; - for (i = 0; i < adapter->num_queues; i++) + for (i = 0; i < adapter->num_tx_queues; i++) e1000_free_tx_resources(adapter, &adapter->tx_ring[i]); } @@ -1784,17 +1960,15 @@ static inline void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter, struct e1000_buffer *buffer_info) { - if(buffer_info->dma) { + if (buffer_info->dma) { pci_unmap_page(adapter->pdev, buffer_info->dma, buffer_info->length, PCI_DMA_TODEVICE); - buffer_info->dma = 0; } - if(buffer_info->skb) { + if (buffer_info->skb) dev_kfree_skb_any(buffer_info->skb); - buffer_info->skb = NULL; - } + memset(buffer_info, 0, sizeof(struct e1000_buffer)); } /** @@ -1813,12 +1987,7 @@ e1000_clean_tx_ring(struct e1000_adapter *adapter, /* Free all the Tx ring sk_buffs */ - if (likely(tx_ring->previous_buffer_info.skb != NULL)) { - e1000_unmap_and_free_tx_resource(adapter, - &tx_ring->previous_buffer_info); - } - - for(i = 0; i < tx_ring->count; i++) { + for (i = 0; i < tx_ring->count; i++) { buffer_info = &tx_ring->buffer_info[i]; e1000_unmap_and_free_tx_resource(adapter, buffer_info); } @@ -1832,6 +2001,7 @@ e1000_clean_tx_ring(struct e1000_adapter *adapter, tx_ring->next_to_use = 0; tx_ring->next_to_clean = 0; + tx_ring->last_tx_tso = 0; writel(0, adapter->hw.hw_addr + tx_ring->tdh); writel(0, adapter->hw.hw_addr + tx_ring->tdt); @@ -1847,7 +2017,7 @@ e1000_clean_all_tx_rings(struct e1000_adapter *adapter) { int i; - for (i = 0; i < adapter->num_queues; i++) + for (i = 0; i < adapter->num_tx_queues; i++) e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]); } @@ -1891,7 +2061,7 @@ e1000_free_all_rx_resources(struct e1000_adapter *adapter) { int i; - for (i = 0; i < adapter->num_queues; i++) + for (i = 0; i < adapter->num_rx_queues; i++) e1000_free_rx_resources(adapter, &adapter->rx_ring[i]); } @@ -1913,12 +2083,9 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter, unsigned int i, j; /* Free all the Rx ring sk_buffs */ - - for(i = 0; i < rx_ring->count; i++) { + for (i = 0; i < rx_ring->count; i++) { buffer_info = &rx_ring->buffer_info[i]; - if(buffer_info->skb) { - ps_page = &rx_ring->ps_page[i]; - ps_page_dma = &rx_ring->ps_page_dma[i]; + if (buffer_info->skb) { pci_unmap_single(pdev, buffer_info->dma, buffer_info->length, @@ -1926,19 +2093,30 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter, dev_kfree_skb(buffer_info->skb); buffer_info->skb = NULL; - - for(j = 0; j < adapter->rx_ps_pages; j++) { - if(!ps_page->ps_page[j]) break; - pci_unmap_single(pdev, - ps_page_dma->ps_page_dma[j], - PAGE_SIZE, PCI_DMA_FROMDEVICE); - ps_page_dma->ps_page_dma[j] = 0; - put_page(ps_page->ps_page[j]); - ps_page->ps_page[j] = NULL; - } } + ps_page = &rx_ring->ps_page[i]; + ps_page_dma = &rx_ring->ps_page_dma[i]; + for (j = 0; j < adapter->rx_ps_pages; j++) { + if (!ps_page->ps_page[j]) break; + pci_unmap_page(pdev, + ps_page_dma->ps_page_dma[j], + PAGE_SIZE, PCI_DMA_FROMDEVICE); + ps_page_dma->ps_page_dma[j] = 0; + put_page(ps_page->ps_page[j]); + ps_page->ps_page[j] = NULL; + } + } + + /* there also may be some cached data in our adapter */ + if (rx_ring->rx_skb_top) { + dev_kfree_skb(rx_ring->rx_skb_top); + + /* rx_skb_prev will be wiped out by rx_skb_top */ + rx_ring->rx_skb_top = NULL; + rx_ring->rx_skb_prev = NULL; } + size = sizeof(struct e1000_buffer) * rx_ring->count; memset(rx_ring->buffer_info, 0, size); size = sizeof(struct e1000_ps_page) * rx_ring->count; @@ -1967,7 +2145,7 @@ e1000_clean_all_rx_rings(struct e1000_adapter *adapter) { int i; - for (i = 0; i < adapter->num_queues; i++) + for (i = 0; i < adapter->num_rx_queues; i++) e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]); } @@ -1988,7 +2166,7 @@ e1000_enter_82542_rst(struct e1000_adapter *adapter) E1000_WRITE_FLUSH(&adapter->hw); mdelay(5); - if(netif_running(netdev)) + if (netif_running(netdev)) e1000_clean_all_rx_rings(adapter); } @@ -2004,12 +2182,14 @@ e1000_leave_82542_rst(struct e1000_adapter *adapter) E1000_WRITE_FLUSH(&adapter->hw); mdelay(5); - if(adapter->hw.pci_cmd_word & PCI_COMMAND_INVALIDATE) + if (adapter->hw.pci_cmd_word & PCI_COMMAND_INVALIDATE) e1000_pci_set_mwi(&adapter->hw); - if(netif_running(netdev)) { + if (netif_running(netdev)) { + /* No need to loop, because 82542 supports only 1 queue */ + struct e1000_rx_ring *ring = &adapter->rx_ring[0]; e1000_configure_rx(adapter); - e1000_alloc_rx_buffers(adapter, &adapter->rx_ring[0]); + adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring)); } } @@ -2027,12 +2207,12 @@ e1000_set_mac(struct net_device *netdev, void *p) struct e1000_adapter *adapter = netdev_priv(netdev); struct sockaddr *addr = p; - if(!is_valid_ether_addr(addr->sa_data)) + if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; /* 82542 2.0 needs to be in reset to write receive address registers */ - if(adapter->hw.mac_type == e1000_82542_rev2_0) + if (adapter->hw.mac_type == e1000_82542_rev2_0) e1000_enter_82542_rst(adapter); memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); @@ -2046,17 +2226,17 @@ e1000_set_mac(struct net_device *netdev, void *p) /* activate the work around */ adapter->hw.laa_is_present = 1; - /* Hold a copy of the LAA in RAR[14] This is done so that - * between the time RAR[0] gets clobbered and the time it - * gets fixed (in e1000_watchdog), the actual LAA is in one + /* Hold a copy of the LAA in RAR[14] This is done so that + * between the time RAR[0] gets clobbered and the time it + * gets fixed (in e1000_watchdog), the actual LAA is in one * of the RARs and no incoming packets directed to this port - * are dropped. Eventaully the LAA will be in RAR[0] and + * are dropped. Eventaully the LAA will be in RAR[0] and * RAR[14] */ - e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, + e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, E1000_RAR_ENTRIES - 1); } - if(adapter->hw.mac_type == e1000_82542_rev2_0) + if (adapter->hw.mac_type == e1000_82542_rev2_0) e1000_leave_82542_rst(adapter); return 0; @@ -2090,9 +2270,9 @@ e1000_set_multi(struct net_device *netdev) rctl = E1000_READ_REG(hw, RCTL); - if(netdev->flags & IFF_PROMISC) { + if (netdev->flags & IFF_PROMISC) { rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); - } else if(netdev->flags & IFF_ALLMULTI) { + } else if (netdev->flags & IFF_ALLMULTI) { rctl |= E1000_RCTL_MPE; rctl &= ~E1000_RCTL_UPE; } else { @@ -2103,7 +2283,7 @@ e1000_set_multi(struct net_device *netdev) /* 82542 2.0 needs to be in reset to write receive address registers */ - if(hw->mac_type == e1000_82542_rev2_0) + if (hw->mac_type == e1000_82542_rev2_0) e1000_enter_82542_rst(adapter); /* load the first 14 multicast address into the exact filters 1-14 @@ -2113,7 +2293,7 @@ e1000_set_multi(struct net_device *netdev) */ mc_ptr = netdev->mc_list; - for(i = 1; i < rar_entries; i++) { + for (i = 1; i < rar_entries; i++) { if (mc_ptr) { e1000_rar_set(hw, mc_ptr->dmi_addr, i); mc_ptr = mc_ptr->next; @@ -2125,17 +2305,17 @@ e1000_set_multi(struct net_device *netdev) /* clear the old settings from the multicast hash table */ - for(i = 0; i < E1000_NUM_MTA_REGISTERS; i++) + for (i = 0; i < E1000_NUM_MTA_REGISTERS; i++) E1000_WRITE_REG_ARRAY(hw, MTA, i, 0); /* load any remaining addresses into the hash table */ - for(; mc_ptr; mc_ptr = mc_ptr->next) { + for (; mc_ptr; mc_ptr = mc_ptr->next) { hash_value = e1000_hash_mc_addr(hw, mc_ptr->dmi_addr); e1000_mta_set(hw, hash_value); } - if(hw->mac_type == e1000_82542_rev2_0) + if (hw->mac_type == e1000_82542_rev2_0) e1000_leave_82542_rst(adapter); } @@ -2161,8 +2341,8 @@ e1000_82547_tx_fifo_stall(unsigned long data) struct net_device *netdev = adapter->netdev; uint32_t tctl; - if(atomic_read(&adapter->tx_fifo_stall)) { - if((E1000_READ_REG(&adapter->hw, TDT) == + if (atomic_read(&adapter->tx_fifo_stall)) { + if ((E1000_READ_REG(&adapter->hw, TDT) == E1000_READ_REG(&adapter->hw, TDH)) && (E1000_READ_REG(&adapter->hw, TDFT) == E1000_READ_REG(&adapter->hw, TDFH)) && @@ -2208,24 +2388,24 @@ static void e1000_watchdog_task(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; - struct e1000_tx_ring *txdr = &adapter->tx_ring[0]; + struct e1000_tx_ring *txdr = adapter->tx_ring; uint32_t link; e1000_check_for_link(&adapter->hw); if (adapter->hw.mac_type == e1000_82573) { e1000_enable_tx_pkt_filtering(&adapter->hw); - if(adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id) + if (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id) e1000_update_mng_vlan(adapter); - } + } - if((adapter->hw.media_type == e1000_media_type_internal_serdes) && + if ((adapter->hw.media_type == e1000_media_type_internal_serdes) && !(E1000_READ_REG(&adapter->hw, TXCW) & E1000_TXCW_ANE)) link = !adapter->hw.serdes_link_down; else link = E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU; - if(link) { - if(!netif_carrier_ok(netdev)) { + if (link) { + if (!netif_carrier_ok(netdev)) { e1000_get_speed_and_duplex(&adapter->hw, &adapter->link_speed, &adapter->link_duplex); @@ -2235,13 +2415,28 @@ e1000_watchdog_task(struct e1000_adapter *adapter) adapter->link_duplex == FULL_DUPLEX ? "Full Duplex" : "Half Duplex"); + /* tweak tx_queue_len according to speed/duplex */ + netdev->tx_queue_len = adapter->tx_queue_len; + adapter->tx_timeout_factor = 1; + if (adapter->link_duplex == HALF_DUPLEX) { + switch (adapter->link_speed) { + case SPEED_10: + netdev->tx_queue_len = 10; + adapter->tx_timeout_factor = 8; + break; + case SPEED_100: + netdev->tx_queue_len = 100; + break; + } + } + netif_carrier_on(netdev); netif_wake_queue(netdev); mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ); adapter->smartspeed = 0; } } else { - if(netif_carrier_ok(netdev)) { + if (netif_carrier_ok(netdev)) { adapter->link_speed = 0; adapter->link_duplex = 0; DPRINTK(LINK, INFO, "NIC Link is Down\n"); @@ -2267,7 +2462,10 @@ e1000_watchdog_task(struct e1000_adapter *adapter) e1000_update_adaptive(&adapter->hw); - if (adapter->num_queues == 1 && !netif_carrier_ok(netdev)) { +#ifdef CONFIG_E1000_MQ + txdr = *per_cpu_ptr(adapter->cpu_tx_ring, smp_processor_id()); +#endif + if (!netif_carrier_ok(netdev)) { if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) { /* We've lost link, so the controller stops DMA, * but we've got queued Tx work that's never going @@ -2278,12 +2476,12 @@ e1000_watchdog_task(struct e1000_adapter *adapter) } /* Dynamic mode for Interrupt Throttle Rate (ITR) */ - if(adapter->hw.mac_type >= e1000_82540 && adapter->itr == 1) { + if (adapter->hw.mac_type >= e1000_82540 && adapter->itr == 1) { /* Symmetric Tx/Rx gets a reduced ITR=2000; Total * asymmetrical Tx or Rx gets ITR=8000; everyone * else is between 2000-8000. */ uint32_t goc = (adapter->gotcl + adapter->gorcl) / 10000; - uint32_t dif = (adapter->gotcl > adapter->gorcl ? + uint32_t dif = (adapter->gotcl > adapter->gorcl ? adapter->gotcl - adapter->gorcl : adapter->gorcl - adapter->gotcl) / 10000; uint32_t itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000; @@ -2296,7 +2494,7 @@ e1000_watchdog_task(struct e1000_adapter *adapter) /* Force detection of hung controller every watchdog period */ adapter->detect_tx_hung = TRUE; - /* With 82571 controllers, LAA may be overwritten due to controller + /* With 82571 controllers, LAA may be overwritten due to controller * reset from the other port. Set the appropriate LAA in RAR[0] */ if (adapter->hw.mac_type == e1000_82571 && adapter->hw.laa_is_present) e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0); @@ -2318,13 +2516,14 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, { #ifdef NETIF_F_TSO struct e1000_context_desc *context_desc; + struct e1000_buffer *buffer_info; unsigned int i; uint32_t cmd_length = 0; uint16_t ipcse = 0, tucse, mss; uint8_t ipcss, ipcso, tucss, tucso, hdr_len; int err; - if(skb_shinfo(skb)->tso_size) { + if (skb_shinfo(skb)->tso_size) { if (skb_header_cloned(skb)) { err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); if (err) @@ -2333,7 +2532,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2)); mss = skb_shinfo(skb)->tso_size; - if(skb->protocol == ntohs(ETH_P_IP)) { + if (skb->protocol == ntohs(ETH_P_IP)) { skb->nh.iph->tot_len = 0; skb->nh.iph->check = 0; skb->h.th->check = @@ -2345,7 +2544,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, cmd_length = E1000_TXD_CMD_IP; ipcse = skb->h.raw - skb->data - 1; #ifdef NETIF_F_TSO_IPV6 - } else if(skb->protocol == ntohs(ETH_P_IPV6)) { + } else if (skb->protocol == ntohs(ETH_P_IPV6)) { skb->nh.ipv6h->payload_len = 0; skb->h.th->check = ~csum_ipv6_magic(&skb->nh.ipv6h->saddr, @@ -2367,6 +2566,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, i = tx_ring->next_to_use; context_desc = E1000_CONTEXT_DESC(*tx_ring, i); + buffer_info = &tx_ring->buffer_info[i]; context_desc->lower_setup.ip_fields.ipcss = ipcss; context_desc->lower_setup.ip_fields.ipcso = ipcso; @@ -2378,14 +2578,16 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, context_desc->tcp_seg_setup.fields.hdr_len = hdr_len; context_desc->cmd_and_length = cpu_to_le32(cmd_length); + buffer_info->time_stamp = jiffies; + if (++i == tx_ring->count) i = 0; tx_ring->next_to_use = i; - return 1; + return TRUE; } #endif - return 0; + return FALSE; } static inline boolean_t @@ -2393,13 +2595,15 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, struct sk_buff *skb) { struct e1000_context_desc *context_desc; + struct e1000_buffer *buffer_info; unsigned int i; uint8_t css; - if(likely(skb->ip_summed == CHECKSUM_HW)) { + if (likely(skb->ip_summed == CHECKSUM_HW)) { css = skb->h.raw - skb->data; i = tx_ring->next_to_use; + buffer_info = &tx_ring->buffer_info[i]; context_desc = E1000_CONTEXT_DESC(*tx_ring, i); context_desc->upper_setup.tcp_fields.tucss = css; @@ -2408,6 +2612,8 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, context_desc->tcp_seg_setup.data = 0; context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT); + buffer_info->time_stamp = jiffies; + if (unlikely(++i == tx_ring->count)) i = 0; tx_ring->next_to_use = i; @@ -2433,13 +2639,23 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, i = tx_ring->next_to_use; - while(len) { + while (len) { buffer_info = &tx_ring->buffer_info[i]; size = min(len, max_per_txd); #ifdef NETIF_F_TSO + /* Workaround for Controller erratum -- + * descriptor for non-tso packet in a linear SKB that follows a + * tso gets written back prematurely before the data is fully + * DMAd to the controller */ + if (!skb->data_len && tx_ring->last_tx_tso && + !skb_shinfo(skb)->tso_size) { + tx_ring->last_tx_tso = 0; + size -= 4; + } + /* Workaround for premature desc write-backs * in TSO mode. Append 4-byte sentinel desc */ - if(unlikely(mss && !nr_frags && size == len && size > 8)) + if (unlikely(mss && !nr_frags && size == len && size > 8)) size -= 4; #endif /* work-around for errata 10 and it applies @@ -2447,13 +2663,13 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, * The fix is to make sure that the first descriptor of a * packet is smaller than 2048 - 16 - 16 (or 2016) bytes */ - if(unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) && + if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) && (size > 2015) && count == 0)) size = 2015; - + /* Workaround for potential 82544 hang in PCI-X. Avoid * terminating buffers within evenly-aligned dwords. */ - if(unlikely(adapter->pcix_82544 && + if (unlikely(adapter->pcix_82544 && !((unsigned long)(skb->data + offset + size - 1) & 4) && size > 4)) size -= 4; @@ -2469,29 +2685,29 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, len -= size; offset += size; count++; - if(unlikely(++i == tx_ring->count)) i = 0; + if (unlikely(++i == tx_ring->count)) i = 0; } - for(f = 0; f < nr_frags; f++) { + for (f = 0; f < nr_frags; f++) { struct skb_frag_struct *frag; frag = &skb_shinfo(skb)->frags[f]; len = frag->size; offset = frag->page_offset; - while(len) { + while (len) { buffer_info = &tx_ring->buffer_info[i]; size = min(len, max_per_txd); #ifdef NETIF_F_TSO /* Workaround for premature desc write-backs * in TSO mode. Append 4-byte sentinel desc */ - if(unlikely(mss && f == (nr_frags-1) && size == len && size > 8)) + if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8)) size -= 4; #endif /* Workaround for potential 82544 hang in PCI-X. * Avoid terminating buffers within evenly-aligned * dwords. */ - if(unlikely(adapter->pcix_82544 && + if (unlikely(adapter->pcix_82544 && !((unsigned long)(frag->page+offset+size-1) & 4) && size > 4)) size -= 4; @@ -2508,7 +2724,7 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, len -= size; offset += size; count++; - if(unlikely(++i == tx_ring->count)) i = 0; + if (unlikely(++i == tx_ring->count)) i = 0; } } @@ -2528,35 +2744,35 @@ e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, uint32_t txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS; unsigned int i; - if(likely(tx_flags & E1000_TX_FLAGS_TSO)) { + if (likely(tx_flags & E1000_TX_FLAGS_TSO)) { txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D | E1000_TXD_CMD_TSE; txd_upper |= E1000_TXD_POPTS_TXSM << 8; - if(likely(tx_flags & E1000_TX_FLAGS_IPV4)) + if (likely(tx_flags & E1000_TX_FLAGS_IPV4)) txd_upper |= E1000_TXD_POPTS_IXSM << 8; } - if(likely(tx_flags & E1000_TX_FLAGS_CSUM)) { + if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) { txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D; txd_upper |= E1000_TXD_POPTS_TXSM << 8; } - if(unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) { + if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) { txd_lower |= E1000_TXD_CMD_VLE; txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK); } i = tx_ring->next_to_use; - while(count--) { + while (count--) { buffer_info = &tx_ring->buffer_info[i]; tx_desc = E1000_TX_DESC(*tx_ring, i); tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma); tx_desc->lower.data = cpu_to_le32(txd_lower | buffer_info->length); tx_desc->upper.data = cpu_to_le32(txd_upper); - if(unlikely(++i == tx_ring->count)) i = 0; + if (unlikely(++i == tx_ring->count)) i = 0; } tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd); @@ -2591,20 +2807,20 @@ e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb) E1000_ROUNDUP(skb_fifo_len, E1000_FIFO_HDR); - if(adapter->link_duplex != HALF_DUPLEX) + if (adapter->link_duplex != HALF_DUPLEX) goto no_fifo_stall_required; - if(atomic_read(&adapter->tx_fifo_stall)) + if (atomic_read(&adapter->tx_fifo_stall)) return 1; - if(skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) { + if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) { atomic_set(&adapter->tx_fifo_stall, 1); return 1; } no_fifo_stall_required: adapter->tx_fifo_head += skb_fifo_len; - if(adapter->tx_fifo_head >= adapter->tx_fifo_size) + if (adapter->tx_fifo_head >= adapter->tx_fifo_size) adapter->tx_fifo_head -= adapter->tx_fifo_size; return 0; } @@ -2615,39 +2831,27 @@ e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb) { struct e1000_hw *hw = &adapter->hw; uint16_t length, offset; - if(vlan_tx_tag_present(skb)) { - if(!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) && + if (vlan_tx_tag_present(skb)) { + if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) && ( adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) ) return 0; } - if(htons(ETH_P_IP) == skb->protocol) { - const struct iphdr *ip = skb->nh.iph; - if(IPPROTO_UDP == ip->protocol) { - struct udphdr *udp = (struct udphdr *)(skb->h.uh); - if(ntohs(udp->dest) == 67) { - offset = (uint8_t *)udp + 8 - skb->data; - length = skb->len - offset; - - return e1000_mng_write_dhcp_info(hw, - (uint8_t *)udp + 8, length); - } - } - } else if((skb->len > MINIMUM_DHCP_PACKET_SIZE) && (!skb->protocol)) { + if ((skb->len > MINIMUM_DHCP_PACKET_SIZE) && (!skb->protocol)) { struct ethhdr *eth = (struct ethhdr *) skb->data; - if((htons(ETH_P_IP) == eth->h_proto)) { - const struct iphdr *ip = + if ((htons(ETH_P_IP) == eth->h_proto)) { + const struct iphdr *ip = (struct iphdr *)((uint8_t *)skb->data+14); - if(IPPROTO_UDP == ip->protocol) { - struct udphdr *udp = - (struct udphdr *)((uint8_t *)ip + + if (IPPROTO_UDP == ip->protocol) { + struct udphdr *udp = + (struct udphdr *)((uint8_t *)ip + (ip->ihl << 2)); - if(ntohs(udp->dest) == 67) { + if (ntohs(udp->dest) == 67) { offset = (uint8_t *)udp + 8 - skb->data; length = skb->len - offset; return e1000_mng_write_dhcp_info(hw, - (uint8_t *)udp + 8, + (uint8_t *)udp + 8, length); } } @@ -2670,7 +2874,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) unsigned int nr_frags = 0; unsigned int mss = 0; int count = 0; - int tso; + int tso; unsigned int f; len -= skb->data_len; @@ -2693,59 +2897,65 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) * 4 = ceil(buffer len/mss). To make sure we don't * overrun the FIFO, adjust the max buffer len if mss * drops. */ - if(mss) { + if (mss) { + uint8_t hdr_len; max_per_txd = min(mss << 2, max_per_txd); max_txd_pwr = fls(max_per_txd) - 1; + + /* TSO Workaround for 82571/2 Controllers -- if skb->data + * points to just header, pull a few bytes of payload from + * frags into skb->data */ + hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2)); + if (skb->data_len && (hdr_len == (skb->len - skb->data_len)) && + (adapter->hw.mac_type == e1000_82571 || + adapter->hw.mac_type == e1000_82572)) { + unsigned int pull_size; + pull_size = min((unsigned int)4, skb->data_len); + if (!__pskb_pull_tail(skb, pull_size)) { + printk(KERN_ERR "__pskb_pull_tail failed.\n"); + dev_kfree_skb_any(skb); + return -EFAULT; + } + len = skb->len - skb->data_len; + } } - if((mss) || (skb->ip_summed == CHECKSUM_HW)) + /* reserve a descriptor for the offload context */ + if ((mss) || (skb->ip_summed == CHECKSUM_HW)) count++; count++; #else - if(skb->ip_summed == CHECKSUM_HW) + if (skb->ip_summed == CHECKSUM_HW) + count++; +#endif + +#ifdef NETIF_F_TSO + /* Controller Erratum workaround */ + if (!skb->data_len && tx_ring->last_tx_tso && + !skb_shinfo(skb)->tso_size) count++; #endif + count += TXD_USE_COUNT(len, max_txd_pwr); - if(adapter->pcix_82544) + if (adapter->pcix_82544) count++; - /* work-around for errata 10 and it applies to all controllers + /* work-around for errata 10 and it applies to all controllers * in PCI-X mode, so add one more descriptor to the count */ - if(unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) && + if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) && (len > 2015))) count++; nr_frags = skb_shinfo(skb)->nr_frags; - for(f = 0; f < nr_frags; f++) + for (f = 0; f < nr_frags; f++) count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size, max_txd_pwr); - if(adapter->pcix_82544) + if (adapter->pcix_82544) count += nr_frags; -#ifdef NETIF_F_TSO - /* TSO Workaround for 82571/2 Controllers -- if skb->data - * points to just header, pull a few bytes of payload from - * frags into skb->data */ - if (skb_shinfo(skb)->tso_size) { - uint8_t hdr_len; - hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2)); - if (skb->data_len && (hdr_len < (skb->len - skb->data_len)) && - (adapter->hw.mac_type == e1000_82571 || - adapter->hw.mac_type == e1000_82572)) { - unsigned int pull_size; - pull_size = min((unsigned int)4, skb->data_len); - if (!__pskb_pull_tail(skb, pull_size)) { - printk(KERN_ERR "__pskb_pull_tail failed.\n"); - dev_kfree_skb_any(skb); - return -EFAULT; - } - } - } -#endif - - if(adapter->hw.tx_pkt_filtering && (adapter->hw.mac_type == e1000_82573) ) + if (adapter->hw.tx_pkt_filtering && (adapter->hw.mac_type == e1000_82573) ) e1000_transfer_dhcp_info(adapter, skb); local_irq_save(flags); @@ -2763,8 +2973,8 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) return NETDEV_TX_BUSY; } - if(unlikely(adapter->hw.mac_type == e1000_82547)) { - if(unlikely(e1000_82547_fifo_workaround(adapter, skb))) { + if (unlikely(adapter->hw.mac_type == e1000_82547)) { + if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) { netif_stop_queue(netdev); mod_timer(&adapter->tx_fifo_stall_timer, jiffies); spin_unlock_irqrestore(&tx_ring->tx_lock, flags); @@ -2772,13 +2982,13 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) } } - if(unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) { + if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) { tx_flags |= E1000_TX_FLAGS_VLAN; tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT); } first = tx_ring->next_to_use; - + tso = e1000_tso(adapter, tx_ring, skb); if (tso < 0) { dev_kfree_skb_any(skb); @@ -2786,9 +2996,10 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) return NETDEV_TX_OK; } - if (likely(tso)) + if (likely(tso)) { + tx_ring->last_tx_tso = 1; tx_flags |= E1000_TX_FLAGS_TSO; - else if (likely(e1000_tx_csum(adapter, tx_ring, skb))) + } else if (likely(e1000_tx_csum(adapter, tx_ring, skb))) tx_flags |= E1000_TX_FLAGS_CSUM; /* Old method was to assume IPv4 packet by default if TSO was enabled. @@ -2830,6 +3041,7 @@ e1000_tx_timeout_task(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); + adapter->tx_timeout_count++; e1000_down(adapter); e1000_up(adapter); } @@ -2847,7 +3059,7 @@ e1000_get_stats(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); - e1000_update_stats(adapter); + /* only return the current stats */ return &adapter->net_stats; } @@ -2865,56 +3077,57 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu) struct e1000_adapter *adapter = netdev_priv(netdev); int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE; - if((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) || - (max_frame > MAX_JUMBO_FRAME_SIZE)) { - DPRINTK(PROBE, ERR, "Invalid MTU setting\n"); - return -EINVAL; - } - -#define MAX_STD_JUMBO_FRAME_SIZE 9234 - /* might want this to be bigger enum check... */ - /* 82571 controllers limit jumbo frame size to 10500 bytes */ - if ((adapter->hw.mac_type == e1000_82571 || - adapter->hw.mac_type == e1000_82572) && - max_frame > MAX_STD_JUMBO_FRAME_SIZE) { - DPRINTK(PROBE, ERR, "MTU > 9216 bytes not supported " - "on 82571 and 82572 controllers.\n"); + if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) || + (max_frame > MAX_JUMBO_FRAME_SIZE)) { + DPRINTK(PROBE, ERR, "Invalid MTU setting\n"); return -EINVAL; } - if(adapter->hw.mac_type == e1000_82573 && - max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) { - DPRINTK(PROBE, ERR, "Jumbo Frames not supported " - "on 82573\n"); - return -EINVAL; - } - - if(adapter->hw.mac_type > e1000_82547_rev_2) { - adapter->rx_buffer_len = max_frame; - E1000_ROUNDUP(adapter->rx_buffer_len, 1024); - } else { - if(unlikely((adapter->hw.mac_type < e1000_82543) && - (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE))) { - DPRINTK(PROBE, ERR, "Jumbo Frames not supported " - "on 82542\n"); + /* Adapter-specific max frame size limits. */ + switch (adapter->hw.mac_type) { + case e1000_82542_rev2_0: + case e1000_82542_rev2_1: + case e1000_82573: + if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) { + DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n"); return -EINVAL; - - } else { - if(max_frame <= E1000_RXBUFFER_2048) { - adapter->rx_buffer_len = E1000_RXBUFFER_2048; - } else if(max_frame <= E1000_RXBUFFER_4096) { - adapter->rx_buffer_len = E1000_RXBUFFER_4096; - } else if(max_frame <= E1000_RXBUFFER_8192) { - adapter->rx_buffer_len = E1000_RXBUFFER_8192; - } else if(max_frame <= E1000_RXBUFFER_16384) { - adapter->rx_buffer_len = E1000_RXBUFFER_16384; - } } + break; + case e1000_82571: + case e1000_82572: +#define MAX_STD_JUMBO_FRAME_SIZE 9234 + if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) { + DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n"); + return -EINVAL; + } + break; + default: + /* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */ + break; } + /* since the driver code now supports splitting a packet across + * multiple descriptors, most of the fifo related limitations on + * jumbo frame traffic have gone away. + * simply use 2k descriptors for everything. + * + * NOTE: dev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN + * means we reserve 2 more, this pushes us to allocate from the next + * larger slab size + * i.e. RXBUFFER_2048 --> size-4096 slab */ + + /* recent hardware supports 1KB granularity */ + if (adapter->hw.mac_type > e1000_82547_rev_2) { + adapter->rx_buffer_len = + ((max_frame < E1000_RXBUFFER_2048) ? + max_frame : E1000_RXBUFFER_2048); + E1000_ROUNDUP(adapter->rx_buffer_len, 1024); + } else + adapter->rx_buffer_len = E1000_RXBUFFER_2048; + netdev->mtu = new_mtu; - if(netif_running(netdev)) { + if (netif_running(netdev)) { e1000_down(adapter); e1000_up(adapter); } @@ -3001,7 +3214,7 @@ e1000_update_stats(struct e1000_adapter *adapter) hw->collision_delta = E1000_READ_REG(hw, COLC); adapter->stats.colc += hw->collision_delta; - if(hw->mac_type >= e1000_82543) { + if (hw->mac_type >= e1000_82543) { adapter->stats.algnerrc += E1000_READ_REG(hw, ALGNERRC); adapter->stats.rxerrc += E1000_READ_REG(hw, RXERRC); adapter->stats.tncrs += E1000_READ_REG(hw, TNCRS); @@ -3009,7 +3222,7 @@ e1000_update_stats(struct e1000_adapter *adapter) adapter->stats.tsctc += E1000_READ_REG(hw, TSCTC); adapter->stats.tsctfc += E1000_READ_REG(hw, TSCTFC); } - if(hw->mac_type > e1000_82547_rev_2) { + if (hw->mac_type > e1000_82547_rev_2) { adapter->stats.iac += E1000_READ_REG(hw, IAC); adapter->stats.icrxoc += E1000_READ_REG(hw, ICRXOC); adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC); @@ -3034,12 +3247,11 @@ e1000_update_stats(struct e1000_adapter *adapter) adapter->net_stats.rx_errors = adapter->stats.rxerrc + adapter->stats.crcerrs + adapter->stats.algnerrc + - adapter->stats.rlec + adapter->stats.mpc + - adapter->stats.cexterr; + adapter->stats.rlec + adapter->stats.cexterr; + adapter->net_stats.rx_dropped = 0; adapter->net_stats.rx_length_errors = adapter->stats.rlec; adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs; adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc; - adapter->net_stats.rx_fifo_errors = adapter->stats.mpc; adapter->net_stats.rx_missed_errors = adapter->stats.mpc; /* Tx Errors */ @@ -3054,14 +3266,14 @@ e1000_update_stats(struct e1000_adapter *adapter) /* Phy Stats */ - if(hw->media_type == e1000_media_type_copper) { - if((adapter->link_speed == SPEED_1000) && + if (hw->media_type == e1000_media_type_copper) { + if ((adapter->link_speed == SPEED_1000) && (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) { phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK; adapter->phy_stats.idle_errors += phy_tmp; } - if((hw->mac_type <= e1000_82546) && + if ((hw->mac_type <= e1000_82546) && (hw->phy_type == e1000_phy_m88) && !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp)) adapter->phy_stats.receive_errors += phy_tmp; @@ -3107,32 +3319,44 @@ e1000_intr(int irq, void *data, struct pt_regs *regs) struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; uint32_t icr = E1000_READ_REG(hw, ICR); -#if defined(CONFIG_E1000_NAPI) && defined(CONFIG_E1000_MQ) || !defined(CONFIG_E1000_NAPI) +#ifndef CONFIG_E1000_NAPI int i; +#else + /* Interrupt Auto-Mask...upon reading ICR, + * interrupts are masked. No need for the + * IMC write, but it does mean we should + * account for it ASAP. */ + if (likely(hw->mac_type >= e1000_82571)) + atomic_inc(&adapter->irq_sem); #endif - if(unlikely(!icr)) + if (unlikely(!icr)) { +#ifdef CONFIG_E1000_NAPI + if (hw->mac_type >= e1000_82571) + e1000_irq_enable(adapter); +#endif return IRQ_NONE; /* Not our interrupt */ + } - if(unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) { + if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) { hw->get_link_status = 1; mod_timer(&adapter->watchdog_timer, jiffies); } #ifdef CONFIG_E1000_NAPI - atomic_inc(&adapter->irq_sem); - E1000_WRITE_REG(hw, IMC, ~0); - E1000_WRITE_FLUSH(hw); + if (unlikely(hw->mac_type < e1000_82571)) { + atomic_inc(&adapter->irq_sem); + E1000_WRITE_REG(hw, IMC, ~0); + E1000_WRITE_FLUSH(hw); + } #ifdef CONFIG_E1000_MQ if (atomic_read(&adapter->rx_sched_call_data.count) == 0) { - cpu_set(adapter->cpu_for_queue[0], - adapter->rx_sched_call_data.cpumask); - for (i = 1; i < adapter->num_queues; i++) { - cpu_set(adapter->cpu_for_queue[i], - adapter->rx_sched_call_data.cpumask); - atomic_inc(&adapter->irq_sem); - } - atomic_set(&adapter->rx_sched_call_data.count, i); + /* We must setup the cpumask once count == 0 since + * each cpu bit is cleared when the work is done. */ + adapter->rx_sched_call_data.cpumask = adapter->cpumask; + atomic_add(adapter->num_rx_queues - 1, &adapter->irq_sem); + atomic_set(&adapter->rx_sched_call_data.count, + adapter->num_rx_queues); smp_call_async_mask(&adapter->rx_sched_call_data); } else { printk("call_data.count == %u\n", atomic_read(&adapter->rx_sched_call_data.count)); @@ -3146,26 +3370,26 @@ e1000_intr(int irq, void *data, struct pt_regs *regs) #else /* if !CONFIG_E1000_NAPI */ /* Writing IMC and IMS is needed for 82547. - Due to Hub Link bus being occupied, an interrupt - de-assertion message is not able to be sent. - When an interrupt assertion message is generated later, - two messages are re-ordered and sent out. - That causes APIC to think 82547 is in de-assertion - state, while 82547 is in assertion state, resulting - in dead lock. Writing IMC forces 82547 into - de-assertion state. - */ - if(hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2){ + * Due to Hub Link bus being occupied, an interrupt + * de-assertion message is not able to be sent. + * When an interrupt assertion message is generated later, + * two messages are re-ordered and sent out. + * That causes APIC to think 82547 is in de-assertion + * state, while 82547 is in assertion state, resulting + * in dead lock. Writing IMC forces 82547 into + * de-assertion state. + */ + if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) { atomic_inc(&adapter->irq_sem); E1000_WRITE_REG(hw, IMC, ~0); } - for(i = 0; i < E1000_MAX_INTR; i++) - if(unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) & + for (i = 0; i < E1000_MAX_INTR; i++) + if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) & !e1000_clean_tx_irq(adapter, adapter->tx_ring))) break; - if(hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) + if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) e1000_irq_enable(adapter); #endif /* CONFIG_E1000_NAPI */ @@ -3184,7 +3408,7 @@ e1000_clean(struct net_device *poll_dev, int *budget) { struct e1000_adapter *adapter; int work_to_do = min(*budget, poll_dev->quota); - int tx_cleaned, i = 0, work_done = 0; + int tx_cleaned = 0, i = 0, work_done = 0; /* Must NOT use netdev_priv macro here. */ adapter = poll_dev->priv; @@ -3195,19 +3419,31 @@ e1000_clean(struct net_device *poll_dev, int *budget) while (poll_dev != &adapter->polling_netdev[i]) { i++; - if (unlikely(i == adapter->num_queues)) + if (unlikely(i == adapter->num_rx_queues)) BUG(); } - tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[i]); + if (likely(adapter->num_tx_queues == 1)) { + /* e1000_clean is called per-cpu. This lock protects + * tx_ring[0] from being cleaned by multiple cpus + * simultaneously. A failure obtaining the lock means + * tx_ring[0] is currently being cleaned anyway. */ + if (spin_trylock(&adapter->tx_queue_lock)) { + tx_cleaned = e1000_clean_tx_irq(adapter, + &adapter->tx_ring[0]); + spin_unlock(&adapter->tx_queue_lock); + } + } else + tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[i]); + adapter->clean_rx(adapter, &adapter->rx_ring[i], &work_done, work_to_do); *budget -= work_done; poll_dev->quota -= work_done; - + /* If no Tx and not enough Rx work done, exit the polling mode */ - if((!tx_cleaned && (work_done == 0)) || + if ((!tx_cleaned && (work_done == 0)) || !netif_running(adapter->netdev)) { quit_polling: netif_rx_complete(poll_dev); @@ -3239,47 +3475,24 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, eop_desc = E1000_TX_DESC(*tx_ring, eop); while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) { - /* Premature writeback of Tx descriptors clear (free buffers - * and unmap pci_mapping) previous_buffer_info */ - if (likely(tx_ring->previous_buffer_info.skb != NULL)) { - e1000_unmap_and_free_tx_resource(adapter, - &tx_ring->previous_buffer_info); - } - - for(cleaned = FALSE; !cleaned; ) { + for (cleaned = FALSE; !cleaned; ) { tx_desc = E1000_TX_DESC(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; cleaned = (i == eop); -#ifdef NETIF_F_TSO - if (!(netdev->features & NETIF_F_TSO)) { -#endif - e1000_unmap_and_free_tx_resource(adapter, - buffer_info); -#ifdef NETIF_F_TSO - } else { - if (cleaned) { - memcpy(&tx_ring->previous_buffer_info, - buffer_info, - sizeof(struct e1000_buffer)); - memset(buffer_info, 0, - sizeof(struct e1000_buffer)); - } else { - e1000_unmap_and_free_tx_resource( - adapter, buffer_info); - } - } +#ifdef CONFIG_E1000_MQ + tx_ring->tx_stats.bytes += buffer_info->length; #endif + e1000_unmap_and_free_tx_resource(adapter, buffer_info); + memset(tx_desc, 0, sizeof(struct e1000_tx_desc)); - tx_desc->buffer_addr = 0; - tx_desc->lower.data = 0; - tx_desc->upper.data = 0; - - if(unlikely(++i == tx_ring->count)) i = 0; + if (unlikely(++i == tx_ring->count)) i = 0; } - tx_ring->pkt++; - +#ifdef CONFIG_E1000_MQ + tx_ring->tx_stats.packets++; +#endif + eop = tx_ring->buffer_info[i].next_to_watch; eop_desc = E1000_TX_DESC(*tx_ring, eop); } @@ -3288,7 +3501,7 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, spin_lock(&tx_ring->tx_lock); - if(unlikely(cleaned && netif_queue_stopped(netdev) && + if (unlikely(cleaned && netif_queue_stopped(netdev) && netif_carrier_ok(netdev))) netif_wake_queue(netdev); @@ -3298,44 +3511,37 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, /* Detect a transmit hang in hardware, this serializes the * check with the clearing of time_stamp and movement of i */ adapter->detect_tx_hung = FALSE; - if (tx_ring->buffer_info[i].dma && - time_after(jiffies, tx_ring->buffer_info[i].time_stamp + HZ) + if (tx_ring->buffer_info[eop].dma && + time_after(jiffies, tx_ring->buffer_info[eop].time_stamp + + adapter->tx_timeout_factor * HZ) && !(E1000_READ_REG(&adapter->hw, STATUS) & - E1000_STATUS_TXOFF)) { + E1000_STATUS_TXOFF)) { /* detected Tx unit hang */ - i = tx_ring->next_to_clean; - eop = tx_ring->buffer_info[i].next_to_watch; - eop_desc = E1000_TX_DESC(*tx_ring, eop); DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n" + " Tx Queue <%lu>\n" " TDH <%x>\n" " TDT <%x>\n" " next_to_use <%x>\n" " next_to_clean <%x>\n" "buffer_info[next_to_clean]\n" - " dma <%llx>\n" " time_stamp <%lx>\n" " next_to_watch <%x>\n" " jiffies <%lx>\n" " next_to_watch.status <%x>\n", + (unsigned long)((tx_ring - adapter->tx_ring) / + sizeof(struct e1000_tx_ring)), readl(adapter->hw.hw_addr + tx_ring->tdh), readl(adapter->hw.hw_addr + tx_ring->tdt), tx_ring->next_to_use, - i, - (unsigned long long)tx_ring->buffer_info[i].dma, - tx_ring->buffer_info[i].time_stamp, + tx_ring->next_to_clean, + tx_ring->buffer_info[eop].time_stamp, eop, jiffies, eop_desc->upper.fields.status); netif_stop_queue(netdev); } } -#ifdef NETIF_F_TSO - if (unlikely(!(eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) && - time_after(jiffies, tx_ring->previous_buffer_info.time_stamp + HZ))) - e1000_unmap_and_free_tx_resource( - adapter, &tx_ring->previous_buffer_info); -#endif return cleaned; } @@ -3357,21 +3563,21 @@ e1000_rx_checksum(struct e1000_adapter *adapter, skb->ip_summed = CHECKSUM_NONE; /* 82543 or newer only */ - if(unlikely(adapter->hw.mac_type < e1000_82543)) return; + if (unlikely(adapter->hw.mac_type < e1000_82543)) return; /* Ignore Checksum bit is set */ - if(unlikely(status & E1000_RXD_STAT_IXSM)) return; + if (unlikely(status & E1000_RXD_STAT_IXSM)) return; /* TCP/UDP checksum error bit is set */ - if(unlikely(errors & E1000_RXD_ERR_TCPE)) { + if (unlikely(errors & E1000_RXD_ERR_TCPE)) { /* let the stack verify checksum errors */ adapter->hw_csum_err++; return; } /* TCP/UDP Checksum has not been calculated */ - if(adapter->hw.mac_type <= e1000_82547_rev_2) { - if(!(status & E1000_RXD_STAT_TCPCS)) + if (adapter->hw.mac_type <= e1000_82547_rev_2) { + if (!(status & E1000_RXD_STAT_TCPCS)) return; } else { - if(!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS))) + if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS))) return; } /* It must be a TCP or UDP packet with a valid checksum */ @@ -3407,46 +3613,87 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, { struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; - struct e1000_rx_desc *rx_desc; - struct e1000_buffer *buffer_info; - struct sk_buff *skb; + struct e1000_rx_desc *rx_desc, *next_rxd; + struct e1000_buffer *buffer_info, *next_buffer; unsigned long flags; uint32_t length; uint8_t last_byte; unsigned int i; - boolean_t cleaned = FALSE; + int cleaned_count = 0; + boolean_t cleaned = FALSE, multi_descriptor = FALSE; i = rx_ring->next_to_clean; rx_desc = E1000_RX_DESC(*rx_ring, i); + buffer_info = &rx_ring->buffer_info[i]; - while(rx_desc->status & E1000_RXD_STAT_DD) { - buffer_info = &rx_ring->buffer_info[i]; + while (rx_desc->status & E1000_RXD_STAT_DD) { + struct sk_buff *skb, *next_skb; + u8 status; #ifdef CONFIG_E1000_NAPI - if(*work_done >= work_to_do) + if (*work_done >= work_to_do) break; (*work_done)++; #endif - cleaned = TRUE; + status = rx_desc->status; + skb = buffer_info->skb; + buffer_info->skb = NULL; + + if (++i == rx_ring->count) i = 0; + next_rxd = E1000_RX_DESC(*rx_ring, i); + next_buffer = &rx_ring->buffer_info[i]; + next_skb = next_buffer->skb; + cleaned = TRUE; + cleaned_count++; pci_unmap_single(pdev, buffer_info->dma, buffer_info->length, PCI_DMA_FROMDEVICE); - skb = buffer_info->skb; length = le16_to_cpu(rx_desc->length); - if(unlikely(!(rx_desc->status & E1000_RXD_STAT_EOP))) { - /* All receives must fit into a single buffer */ - E1000_DBG("%s: Receive packet consumed multiple" - " buffers\n", netdev->name); - dev_kfree_skb_irq(skb); + skb_put(skb, length); + + if (!(status & E1000_RXD_STAT_EOP)) { + if (!rx_ring->rx_skb_top) { + rx_ring->rx_skb_top = skb; + rx_ring->rx_skb_top->len = length; + rx_ring->rx_skb_prev = skb; + } else { + if (skb_shinfo(rx_ring->rx_skb_top)->frag_list) { + rx_ring->rx_skb_prev->next = skb; + skb->prev = rx_ring->rx_skb_prev; + } else { + skb_shinfo(rx_ring->rx_skb_top)->frag_list = skb; + } + rx_ring->rx_skb_prev = skb; + rx_ring->rx_skb_top->data_len += length; + } goto next_desc; + } else { + if (rx_ring->rx_skb_top) { + if (skb_shinfo(rx_ring->rx_skb_top) + ->frag_list) { + rx_ring->rx_skb_prev->next = skb; + skb->prev = rx_ring->rx_skb_prev; + } else + skb_shinfo(rx_ring->rx_skb_top) + ->frag_list = skb; + + rx_ring->rx_skb_top->data_len += length; + rx_ring->rx_skb_top->len += + rx_ring->rx_skb_top->data_len; + + skb = rx_ring->rx_skb_top; + multi_descriptor = TRUE; + rx_ring->rx_skb_top = NULL; + rx_ring->rx_skb_prev = NULL; + } } - if(unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) { + if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) { last_byte = *(skb->data + length - 1); - if(TBI_ACCEPT(&adapter->hw, rx_desc->status, + if (TBI_ACCEPT(&adapter->hw, status, rx_desc->errors, length, last_byte)) { spin_lock_irqsave(&adapter->stats_lock, flags); e1000_tbi_adjust_stats(&adapter->hw, @@ -3461,18 +3708,41 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, } } - /* Good Receive */ - skb_put(skb, length - ETHERNET_FCS_SIZE); + /* code added for copybreak, this should improve + * performance for small packets with large amounts + * of reassembly being done in the stack */ +#define E1000_CB_LENGTH 256 + if ((length < E1000_CB_LENGTH) && + !rx_ring->rx_skb_top && + /* or maybe (status & E1000_RXD_STAT_EOP) && */ + !multi_descriptor) { + struct sk_buff *new_skb = + dev_alloc_skb(length + NET_IP_ALIGN); + if (new_skb) { + skb_reserve(new_skb, NET_IP_ALIGN); + new_skb->dev = netdev; + memcpy(new_skb->data - NET_IP_ALIGN, + skb->data - NET_IP_ALIGN, + length + NET_IP_ALIGN); + /* save the skb in buffer_info as good */ + buffer_info->skb = skb; + skb = new_skb; + skb_put(skb, length); + } + } + + /* end copybreak code */ /* Receive Checksum Offload */ e1000_rx_checksum(adapter, - (uint32_t)(rx_desc->status) | + (uint32_t)(status) | ((uint32_t)(rx_desc->errors) << 24), rx_desc->csum, skb); + skb->protocol = eth_type_trans(skb, netdev); #ifdef CONFIG_E1000_NAPI - if(unlikely(adapter->vlgrp && - (rx_desc->status & E1000_RXD_STAT_VP))) { + if (unlikely(adapter->vlgrp && + (status & E1000_RXD_STAT_VP))) { vlan_hwaccel_receive_skb(skb, adapter->vlgrp, le16_to_cpu(rx_desc->special) & E1000_RXD_SPC_VLAN_MASK); @@ -3480,8 +3750,8 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, netif_receive_skb(skb); } #else /* CONFIG_E1000_NAPI */ - if(unlikely(adapter->vlgrp && - (rx_desc->status & E1000_RXD_STAT_VP))) { + if (unlikely(adapter->vlgrp && + (status & E1000_RXD_STAT_VP))) { vlan_hwaccel_rx(skb, adapter->vlgrp, le16_to_cpu(rx_desc->special) & E1000_RXD_SPC_VLAN_MASK); @@ -3490,17 +3760,28 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, } #endif /* CONFIG_E1000_NAPI */ netdev->last_rx = jiffies; - rx_ring->pkt++; +#ifdef CONFIG_E1000_MQ + rx_ring->rx_stats.packets++; + rx_ring->rx_stats.bytes += length; +#endif next_desc: rx_desc->status = 0; - buffer_info->skb = NULL; - if(unlikely(++i == rx_ring->count)) i = 0; - rx_desc = E1000_RX_DESC(*rx_ring, i); + /* return some buffers to hardware, one at a time is too slow */ + if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) { + adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count); + cleaned_count = 0; + } + + rx_desc = next_rxd; + buffer_info = next_buffer; } rx_ring->next_to_clean = i; - adapter->alloc_rx_buf(adapter, rx_ring); + + cleaned_count = E1000_DESC_UNUSED(rx_ring); + if (cleaned_count) + adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count); return cleaned; } @@ -3520,52 +3801,59 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, struct e1000_rx_ring *rx_ring) #endif { - union e1000_rx_desc_packet_split *rx_desc; + union e1000_rx_desc_packet_split *rx_desc, *next_rxd; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; - struct e1000_buffer *buffer_info; + struct e1000_buffer *buffer_info, *next_buffer; struct e1000_ps_page *ps_page; struct e1000_ps_page_dma *ps_page_dma; - struct sk_buff *skb; + struct sk_buff *skb, *next_skb; unsigned int i, j; uint32_t length, staterr; + int cleaned_count = 0; boolean_t cleaned = FALSE; i = rx_ring->next_to_clean; rx_desc = E1000_RX_DESC_PS(*rx_ring, i); staterr = le32_to_cpu(rx_desc->wb.middle.status_error); + buffer_info = &rx_ring->buffer_info[i]; - while(staterr & E1000_RXD_STAT_DD) { - buffer_info = &rx_ring->buffer_info[i]; + while (staterr & E1000_RXD_STAT_DD) { ps_page = &rx_ring->ps_page[i]; ps_page_dma = &rx_ring->ps_page_dma[i]; #ifdef CONFIG_E1000_NAPI - if(unlikely(*work_done >= work_to_do)) + if (unlikely(*work_done >= work_to_do)) break; (*work_done)++; #endif + skb = buffer_info->skb; + + if (++i == rx_ring->count) i = 0; + next_rxd = E1000_RX_DESC_PS(*rx_ring, i); + next_buffer = &rx_ring->buffer_info[i]; + next_skb = next_buffer->skb; + cleaned = TRUE; + cleaned_count++; pci_unmap_single(pdev, buffer_info->dma, buffer_info->length, PCI_DMA_FROMDEVICE); - skb = buffer_info->skb; - - if(unlikely(!(staterr & E1000_RXD_STAT_EOP))) { + if (unlikely(!(staterr & E1000_RXD_STAT_EOP))) { E1000_DBG("%s: Packet Split buffers didn't pick up" " the full packet\n", netdev->name); dev_kfree_skb_irq(skb); goto next_desc; } - if(unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) { + if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) { dev_kfree_skb_irq(skb); goto next_desc; } length = le16_to_cpu(rx_desc->wb.middle.length0); - if(unlikely(!length)) { + if (unlikely(!length)) { E1000_DBG("%s: Last part of the packet spanning" " multiple descriptors\n", netdev->name); dev_kfree_skb_irq(skb); @@ -3575,8 +3863,8 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, /* Good Receive */ skb_put(skb, length); - for(j = 0; j < adapter->rx_ps_pages; j++) { - if(!(length = le16_to_cpu(rx_desc->wb.upper.length[j]))) + for (j = 0; j < adapter->rx_ps_pages; j++) { + if (!(length = le16_to_cpu(rx_desc->wb.upper.length[j]))) break; pci_unmap_page(pdev, ps_page_dma->ps_page_dma[j], @@ -3596,15 +3884,11 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, rx_desc->wb.lower.hi_dword.csum_ip.csum, skb); skb->protocol = eth_type_trans(skb, netdev); - if(likely(rx_desc->wb.upper.header_status & - E1000_RXDPS_HDRSTAT_HDRSP)) { + if (likely(rx_desc->wb.upper.header_status & + E1000_RXDPS_HDRSTAT_HDRSP)) adapter->rx_hdr_split++; -#ifdef HAVE_RX_ZERO_COPY - skb_shinfo(skb)->zero_copy = TRUE; -#endif - } #ifdef CONFIG_E1000_NAPI - if(unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) { + if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) { vlan_hwaccel_receive_skb(skb, adapter->vlgrp, le16_to_cpu(rx_desc->wb.middle.vlan) & E1000_RXD_SPC_VLAN_MASK); @@ -3612,7 +3896,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, netif_receive_skb(skb); } #else /* CONFIG_E1000_NAPI */ - if(unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) { + if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) { vlan_hwaccel_rx(skb, adapter->vlgrp, le16_to_cpu(rx_desc->wb.middle.vlan) & E1000_RXD_SPC_VLAN_MASK); @@ -3621,18 +3905,31 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, } #endif /* CONFIG_E1000_NAPI */ netdev->last_rx = jiffies; - rx_ring->pkt++; +#ifdef CONFIG_E1000_MQ + rx_ring->rx_stats.packets++; + rx_ring->rx_stats.bytes += length; +#endif next_desc: rx_desc->wb.middle.status_error &= ~0xFF; buffer_info->skb = NULL; - if(unlikely(++i == rx_ring->count)) i = 0; - rx_desc = E1000_RX_DESC_PS(*rx_ring, i); + /* return some buffers to hardware, one at a time is too slow */ + if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) { + adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count); + cleaned_count = 0; + } + + rx_desc = next_rxd; + buffer_info = next_buffer; + staterr = le32_to_cpu(rx_desc->wb.middle.status_error); } rx_ring->next_to_clean = i; - adapter->alloc_rx_buf(adapter, rx_ring); + + cleaned_count = E1000_DESC_UNUSED(rx_ring); + if (cleaned_count) + adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count); return cleaned; } @@ -3644,7 +3941,8 @@ next_desc: static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring) + struct e1000_rx_ring *rx_ring, + int cleaned_count) { struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; @@ -3657,11 +3955,18 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter, i = rx_ring->next_to_use; buffer_info = &rx_ring->buffer_info[i]; - while(!buffer_info->skb) { - skb = dev_alloc_skb(bufsz); + while (cleaned_count--) { + if (!(skb = buffer_info->skb)) + skb = dev_alloc_skb(bufsz); + else { + skb_trim(skb, 0); + goto map_skb; + } - if(unlikely(!skb)) { + + if (unlikely(!skb)) { /* Better luck next round */ + adapter->alloc_rx_buff_failed++; break; } @@ -3698,6 +4003,7 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter, buffer_info->skb = skb; buffer_info->length = adapter->rx_buffer_len; +map_skb: buffer_info->dma = pci_map_single(pdev, skb->data, adapter->rx_buffer_len, @@ -3723,20 +4029,23 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter, rx_desc = E1000_RX_DESC(*rx_ring, i); rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma); - if(unlikely((i & ~(E1000_RX_BUFFER_WRITE - 1)) == i)) { - /* Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). */ - wmb(); - writel(i, adapter->hw.hw_addr + rx_ring->rdt); - } - - if(unlikely(++i == rx_ring->count)) i = 0; + if (unlikely(++i == rx_ring->count)) + i = 0; buffer_info = &rx_ring->buffer_info[i]; } - rx_ring->next_to_use = i; + if (likely(rx_ring->next_to_use != i)) { + rx_ring->next_to_use = i; + if (unlikely(i-- == 0)) + i = (rx_ring->count - 1); + + /* Force memory writes to complete before letting h/w + * know there are new descriptors to fetch. (Only + * applicable for weak-ordered memory model archs, + * such as IA-64). */ + wmb(); + writel(i, adapter->hw.hw_addr + rx_ring->rdt); + } } /** @@ -3746,7 +4055,8 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter, static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring) + struct e1000_rx_ring *rx_ring, + int cleaned_count) { struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; @@ -3762,16 +4072,18 @@ e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, ps_page = &rx_ring->ps_page[i]; ps_page_dma = &rx_ring->ps_page_dma[i]; - while(!buffer_info->skb) { + while (cleaned_count--) { rx_desc = E1000_RX_DESC_PS(*rx_ring, i); - for(j = 0; j < PS_PAGE_BUFFERS; j++) { + for (j = 0; j < PS_PAGE_BUFFERS; j++) { if (j < adapter->rx_ps_pages) { if (likely(!ps_page->ps_page[j])) { ps_page->ps_page[j] = alloc_page(GFP_ATOMIC); - if (unlikely(!ps_page->ps_page[j])) + if (unlikely(!ps_page->ps_page[j])) { + adapter->alloc_rx_buff_failed++; goto no_buffers; + } ps_page_dma->ps_page_dma[j] = pci_map_page(pdev, ps_page->ps_page[j], @@ -3779,7 +4091,7 @@ e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, PCI_DMA_FROMDEVICE); } /* Refresh the desc even if buffer_addrs didn't - * change because each write-back erases + * change because each write-back erases * this info. */ rx_desc->read.buffer_addr[j+1] = @@ -3790,8 +4102,10 @@ e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, skb = dev_alloc_skb(adapter->rx_ps_bsize0 + NET_IP_ALIGN); - if(unlikely(!skb)) + if (unlikely(!skb)) { + adapter->alloc_rx_buff_failed++; break; + } /* Make buffer alignment 2 beyond a 16 byte boundary * this will result in a 16 byte aligned IP header after @@ -3809,27 +4123,28 @@ e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma); - if(unlikely((i & ~(E1000_RX_BUFFER_WRITE - 1)) == i)) { - /* Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). */ - wmb(); - /* Hardware increments by 16 bytes, but packet split - * descriptors are 32 bytes...so we increment tail - * twice as much. - */ - writel(i<<1, adapter->hw.hw_addr + rx_ring->rdt); - } - - if(unlikely(++i == rx_ring->count)) i = 0; + if (unlikely(++i == rx_ring->count)) i = 0; buffer_info = &rx_ring->buffer_info[i]; ps_page = &rx_ring->ps_page[i]; ps_page_dma = &rx_ring->ps_page_dma[i]; } no_buffers: - rx_ring->next_to_use = i; + if (likely(rx_ring->next_to_use != i)) { + rx_ring->next_to_use = i; + if (unlikely(i-- == 0)) i = (rx_ring->count - 1); + + /* Force memory writes to complete before letting h/w + * know there are new descriptors to fetch. (Only + * applicable for weak-ordered memory model archs, + * such as IA-64). */ + wmb(); + /* Hardware increments by 16 bytes, but packet split + * descriptors are 32 bytes...so we increment tail + * twice as much. + */ + writel(i<<1, adapter->hw.hw_addr + rx_ring->rdt); + } } /** @@ -3843,24 +4158,24 @@ e1000_smartspeed(struct e1000_adapter *adapter) uint16_t phy_status; uint16_t phy_ctrl; - if((adapter->hw.phy_type != e1000_phy_igp) || !adapter->hw.autoneg || + if ((adapter->hw.phy_type != e1000_phy_igp) || !adapter->hw.autoneg || !(adapter->hw.autoneg_advertised & ADVERTISE_1000_FULL)) return; - if(adapter->smartspeed == 0) { + if (adapter->smartspeed == 0) { /* If Master/Slave config fault is asserted twice, * we assume back-to-back */ e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status); - if(!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return; + if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return; e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status); - if(!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return; + if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return; e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl); - if(phy_ctrl & CR_1000T_MS_ENABLE) { + if (phy_ctrl & CR_1000T_MS_ENABLE) { phy_ctrl &= ~CR_1000T_MS_ENABLE; e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_ctrl); adapter->smartspeed++; - if(!e1000_phy_setup_autoneg(&adapter->hw) && + if (!e1000_phy_setup_autoneg(&adapter->hw) && !e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_ctrl)) { phy_ctrl |= (MII_CR_AUTO_NEG_EN | @@ -3870,12 +4185,12 @@ e1000_smartspeed(struct e1000_adapter *adapter) } } return; - } else if(adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) { + } else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) { /* If still no link, perhaps using 2/3 pair cable */ e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl); phy_ctrl |= CR_1000T_MS_ENABLE; e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_ctrl); - if(!e1000_phy_setup_autoneg(&adapter->hw) && + if (!e1000_phy_setup_autoneg(&adapter->hw) && !e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_ctrl)) { phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG); @@ -3883,7 +4198,7 @@ e1000_smartspeed(struct e1000_adapter *adapter) } } /* Restart process after E1000_SMARTSPEED_MAX iterations */ - if(adapter->smartspeed++ == E1000_SMARTSPEED_MAX) + if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX) adapter->smartspeed = 0; } @@ -3924,7 +4239,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) uint16_t spddplx; unsigned long flags; - if(adapter->hw.media_type != e1000_media_type_copper) + if (adapter->hw.media_type != e1000_media_type_copper) return -EOPNOTSUPP; switch (cmd) { @@ -3932,10 +4247,10 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) data->phy_id = adapter->hw.phy_addr; break; case SIOCGMIIREG: - if(!capable(CAP_NET_ADMIN)) + if (!capable(CAP_NET_ADMIN)) return -EPERM; spin_lock_irqsave(&adapter->stats_lock, flags); - if(e1000_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, + if (e1000_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, &data->val_out)) { spin_unlock_irqrestore(&adapter->stats_lock, flags); return -EIO; @@ -3943,23 +4258,23 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) spin_unlock_irqrestore(&adapter->stats_lock, flags); break; case SIOCSMIIREG: - if(!capable(CAP_NET_ADMIN)) + if (!capable(CAP_NET_ADMIN)) return -EPERM; - if(data->reg_num & ~(0x1F)) + if (data->reg_num & ~(0x1F)) return -EFAULT; mii_reg = data->val_in; spin_lock_irqsave(&adapter->stats_lock, flags); - if(e1000_write_phy_reg(&adapter->hw, data->reg_num, + if (e1000_write_phy_reg(&adapter->hw, data->reg_num, mii_reg)) { spin_unlock_irqrestore(&adapter->stats_lock, flags); return -EIO; } - if(adapter->hw.phy_type == e1000_phy_m88) { + if (adapter->hw.phy_type == e1000_phy_m88) { switch (data->reg_num) { case PHY_CTRL: - if(mii_reg & MII_CR_POWER_DOWN) + if (mii_reg & MII_CR_POWER_DOWN) break; - if(mii_reg & MII_CR_AUTO_NEG_EN) { + if (mii_reg & MII_CR_AUTO_NEG_EN) { adapter->hw.autoneg = 1; adapter->hw.autoneg_advertised = 0x2F; } else { @@ -3974,14 +4289,14 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) HALF_DUPLEX; retval = e1000_set_spd_dplx(adapter, spddplx); - if(retval) { + if (retval) { spin_unlock_irqrestore( - &adapter->stats_lock, + &adapter->stats_lock, flags); return retval; } } - if(netif_running(adapter->netdev)) { + if (netif_running(adapter->netdev)) { e1000_down(adapter); e1000_up(adapter); } else @@ -3989,7 +4304,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) break; case M88E1000_PHY_SPEC_CTRL: case M88E1000_EXT_PHY_SPEC_CTRL: - if(e1000_phy_reset(&adapter->hw)) { + if (e1000_phy_reset(&adapter->hw)) { spin_unlock_irqrestore( &adapter->stats_lock, flags); return -EIO; @@ -3999,9 +4314,9 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) } else { switch (data->reg_num) { case PHY_CTRL: - if(mii_reg & MII_CR_POWER_DOWN) + if (mii_reg & MII_CR_POWER_DOWN) break; - if(netif_running(adapter->netdev)) { + if (netif_running(adapter->netdev)) { e1000_down(adapter); e1000_up(adapter); } else @@ -4023,7 +4338,7 @@ e1000_pci_set_mwi(struct e1000_hw *hw) struct e1000_adapter *adapter = hw->back; int ret_val = pci_set_mwi(adapter->pdev); - if(ret_val) + if (ret_val) DPRINTK(PROBE, ERR, "Error in setting MWI\n"); } @@ -4072,7 +4387,7 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) e1000_irq_disable(adapter); adapter->vlgrp = grp; - if(grp) { + if (grp) { /* enable VLAN tag insert/strip */ ctrl = E1000_READ_REG(&adapter->hw, CTRL); ctrl |= E1000_CTRL_VME; @@ -4094,7 +4409,7 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) rctl = E1000_READ_REG(&adapter->hw, RCTL); rctl &= ~E1000_RCTL_VFE; E1000_WRITE_REG(&adapter->hw, RCTL, rctl); - if(adapter->mng_vlan_id != (uint16_t)E1000_MNG_VLAN_NONE) { + if (adapter->mng_vlan_id != (uint16_t)E1000_MNG_VLAN_NONE) { e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id); adapter->mng_vlan_id = E1000_MNG_VLAN_NONE; } @@ -4108,9 +4423,10 @@ e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid) { struct e1000_adapter *adapter = netdev_priv(netdev); uint32_t vfta, index; - if((adapter->hw.mng_cookie.status & - E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) && - (vid == adapter->mng_vlan_id)) + + if ((adapter->hw.mng_cookie.status & + E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) && + (vid == adapter->mng_vlan_id)) return; /* add VID to filter table */ index = (vid >> 5) & 0x7F; @@ -4127,15 +4443,19 @@ e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid) e1000_irq_disable(adapter); - if(adapter->vlgrp) + if (adapter->vlgrp) adapter->vlgrp->vlan_devices[vid] = NULL; e1000_irq_enable(adapter); - if((adapter->hw.mng_cookie.status & - E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) && - (vid == adapter->mng_vlan_id)) + if ((adapter->hw.mng_cookie.status & + E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) && + (vid == adapter->mng_vlan_id)) { + /* release control to f/w */ + e1000_release_hw_control(adapter); return; + } + /* remove VID from filter table */ index = (vid >> 5) & 0x7F; vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index); @@ -4148,10 +4468,10 @@ e1000_restore_vlan(struct e1000_adapter *adapter) { e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp); - if(adapter->vlgrp) { + if (adapter->vlgrp) { uint16_t vid; - for(vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) { - if(!adapter->vlgrp->vlan_devices[vid]) + for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) { + if (!adapter->vlgrp->vlan_devices[vid]) continue; e1000_vlan_rx_add_vid(adapter->netdev, vid); } @@ -4164,13 +4484,13 @@ e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx) adapter->hw.autoneg = 0; /* Fiber NICs only allow 1000 gbps Full duplex */ - if((adapter->hw.media_type == e1000_media_type_fiber) && + if ((adapter->hw.media_type == e1000_media_type_fiber) && spddplx != (SPEED_1000 + DUPLEX_FULL)) { DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n"); return -EINVAL; } - switch(spddplx) { + switch (spddplx) { case SPEED_10 + DUPLEX_HALF: adapter->hw.forced_speed_duplex = e1000_10_half; break; @@ -4196,35 +4516,92 @@ e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx) } #ifdef CONFIG_PM +/* these functions save and restore 16 or 64 dwords (64-256 bytes) of config + * space versus the 64 bytes that pci_[save|restore]_state handle + */ +#define PCIE_CONFIG_SPACE_LEN 256 +#define PCI_CONFIG_SPACE_LEN 64 +static int +e1000_pci_save_state(struct e1000_adapter *adapter) +{ + struct pci_dev *dev = adapter->pdev; + int size; + int i; + if (adapter->hw.mac_type >= e1000_82571) + size = PCIE_CONFIG_SPACE_LEN; + else + size = PCI_CONFIG_SPACE_LEN; + + WARN_ON(adapter->config_space != NULL); + + adapter->config_space = kmalloc(size, GFP_KERNEL); + if (!adapter->config_space) { + DPRINTK(PROBE, ERR, "unable to allocate %d bytes\n", size); + return -ENOMEM; + } + for (i = 0; i < (size / 4); i++) + pci_read_config_dword(dev, i * 4, &adapter->config_space[i]); + return 0; +} + +static void +e1000_pci_restore_state(struct e1000_adapter *adapter) +{ + struct pci_dev *dev = adapter->pdev; + int size; + int i; + if (adapter->config_space == NULL) + return; + if (adapter->hw.mac_type >= e1000_82571) + size = PCIE_CONFIG_SPACE_LEN; + else + size = PCI_CONFIG_SPACE_LEN; + for (i = 0; i < (size / 4); i++) + pci_write_config_dword(dev, i * 4, adapter->config_space[i]); + kfree(adapter->config_space); + adapter->config_space = NULL; + return; +} +#endif /* CONFIG_PM */ + static int e1000_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); - uint32_t ctrl, ctrl_ext, rctl, manc, status, swsm; + uint32_t ctrl, ctrl_ext, rctl, manc, status; uint32_t wufc = adapter->wol; + int retval = 0; netif_device_detach(netdev); - if(netif_running(netdev)) + if (netif_running(netdev)) e1000_down(adapter); +#ifdef CONFIG_PM + /* implement our own version of pci_save_state(pdev) because pci + * express adapters have larger 256 byte config spaces */ + retval = e1000_pci_save_state(adapter); + if (retval) + return retval; +#endif + status = E1000_READ_REG(&adapter->hw, STATUS); - if(status & E1000_STATUS_LU) + if (status & E1000_STATUS_LU) wufc &= ~E1000_WUFC_LNKC; - if(wufc) { + if (wufc) { e1000_setup_rctl(adapter); e1000_set_multi(netdev); /* turn on all-multi mode if wake on multicast is enabled */ - if(adapter->wol & E1000_WUFC_MC) { + if (adapter->wol & E1000_WUFC_MC) { rctl = E1000_READ_REG(&adapter->hw, RCTL); rctl |= E1000_RCTL_MPE; E1000_WRITE_REG(&adapter->hw, RCTL, rctl); } - if(adapter->hw.mac_type >= e1000_82540) { + if (adapter->hw.mac_type >= e1000_82540) { ctrl = E1000_READ_REG(&adapter->hw, CTRL); /* advertise wake from D3Cold */ #define E1000_CTRL_ADVD3WUC 0x00100000 @@ -4235,7 +4612,7 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) E1000_WRITE_REG(&adapter->hw, CTRL, ctrl); } - if(adapter->hw.media_type == e1000_media_type_fiber || + if (adapter->hw.media_type == e1000_media_type_fiber || adapter->hw.media_type == e1000_media_type_internal_serdes) { /* keep the laser running in D3 */ ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); @@ -4248,96 +4625,96 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN); E1000_WRITE_REG(&adapter->hw, WUFC, wufc); - pci_enable_wake(pdev, 3, 1); - pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */ + retval = pci_enable_wake(pdev, PCI_D3hot, 1); + if (retval) + DPRINTK(PROBE, ERR, "Error enabling D3 wake\n"); + retval = pci_enable_wake(pdev, PCI_D3cold, 1); + if (retval) + DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n"); } else { E1000_WRITE_REG(&adapter->hw, WUC, 0); E1000_WRITE_REG(&adapter->hw, WUFC, 0); - pci_enable_wake(pdev, 3, 0); - pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */ + retval = pci_enable_wake(pdev, PCI_D3hot, 0); + if (retval) + DPRINTK(PROBE, ERR, "Error enabling D3 wake\n"); + retval = pci_enable_wake(pdev, PCI_D3cold, 0); /* 4 == D3 cold */ + if (retval) + DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n"); } - pci_save_state(pdev); - - if(adapter->hw.mac_type >= e1000_82540 && + if (adapter->hw.mac_type >= e1000_82540 && adapter->hw.media_type == e1000_media_type_copper) { manc = E1000_READ_REG(&adapter->hw, MANC); - if(manc & E1000_MANC_SMBUS_EN) { + if (manc & E1000_MANC_SMBUS_EN) { manc |= E1000_MANC_ARP_EN; E1000_WRITE_REG(&adapter->hw, MANC, manc); - pci_enable_wake(pdev, 3, 1); - pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */ + retval = pci_enable_wake(pdev, PCI_D3hot, 1); + if (retval) + DPRINTK(PROBE, ERR, "Error enabling D3 wake\n"); + retval = pci_enable_wake(pdev, PCI_D3cold, 1); + if (retval) + DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n"); } } - switch(adapter->hw.mac_type) { - case e1000_82571: - case e1000_82572: - ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); - E1000_WRITE_REG(&adapter->hw, CTRL_EXT, - ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); - break; - case e1000_82573: - swsm = E1000_READ_REG(&adapter->hw, SWSM); - E1000_WRITE_REG(&adapter->hw, SWSM, - swsm & ~E1000_SWSM_DRV_LOAD); - break; - default: - break; - } + /* Release control of h/w to f/w. If f/w is AMT enabled, this + * would have already happened in close and is redundant. */ + e1000_release_hw_control(adapter); pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + retval = pci_set_power_state(pdev, pci_choose_state(pdev, state)); + if (retval) + DPRINTK(PROBE, ERR, "Error in setting power state\n"); return 0; } +#ifdef CONFIG_PM static int e1000_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); - uint32_t manc, ret_val, swsm; - uint32_t ctrl_ext; + int retval; + uint32_t manc, ret_val; - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); + retval = pci_set_power_state(pdev, PCI_D0); + if (retval) + DPRINTK(PROBE, ERR, "Error in setting power state\n"); + e1000_pci_restore_state(adapter); ret_val = pci_enable_device(pdev); pci_set_master(pdev); - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); + retval = pci_enable_wake(pdev, PCI_D3hot, 0); + if (retval) + DPRINTK(PROBE, ERR, "Error enabling D3 wake\n"); + retval = pci_enable_wake(pdev, PCI_D3cold, 0); + if (retval) + DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n"); e1000_reset(adapter); E1000_WRITE_REG(&adapter->hw, WUS, ~0); - if(netif_running(netdev)) + if (netif_running(netdev)) e1000_up(adapter); netif_device_attach(netdev); - if(adapter->hw.mac_type >= e1000_82540 && + if (adapter->hw.mac_type >= e1000_82540 && adapter->hw.media_type == e1000_media_type_copper) { manc = E1000_READ_REG(&adapter->hw, MANC); manc &= ~(E1000_MANC_ARP_EN); E1000_WRITE_REG(&adapter->hw, MANC, manc); } - switch(adapter->hw.mac_type) { - case e1000_82571: - case e1000_82572: - ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); - E1000_WRITE_REG(&adapter->hw, CTRL_EXT, - ctrl_ext | E1000_CTRL_EXT_DRV_LOAD); - break; - case e1000_82573: - swsm = E1000_READ_REG(&adapter->hw, SWSM); - E1000_WRITE_REG(&adapter->hw, SWSM, - swsm | E1000_SWSM_DRV_LOAD); - break; - default: - break; - } + /* If the controller is 82573 and f/w is AMT, do not set + * DRV_LOAD until the interface is up. For all other cases, + * let the f/w know that the h/w is now under the control + * of the driver. */ + if (adapter->hw.mac_type != e1000_82573 || + !e1000_check_mng_mode(&adapter->hw)) + e1000_get_hw_control(adapter); return 0; } @@ -4355,6 +4732,9 @@ e1000_netpoll(struct net_device *netdev) disable_irq(adapter->pdev->irq); e1000_intr(adapter->pdev->irq, netdev, NULL); e1000_clean_tx_irq(adapter, adapter->tx_ring); +#ifndef CONFIG_E1000_NAPI + adapter->clean_rx(adapter, adapter->rx_ring); +#endif enable_irq(adapter->pdev->irq); } #endif diff --git a/drivers/net/e1000/e1000_osdep.h b/drivers/net/e1000/e1000_osdep.h index aac64de6143..9790db974dc 100644 --- a/drivers/net/e1000/e1000_osdep.h +++ b/drivers/net/e1000/e1000_osdep.h @@ -47,7 +47,7 @@ BUG(); \ } else { \ msleep(x); \ - } } while(0) + } } while (0) /* Some workarounds require millisecond delays and are run during interrupt * context. Most notably, when establishing link, the phy may need tweaking diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c index 38695d5b463..3768d83cd57 100644 --- a/drivers/net/e1000/e1000_param.c +++ b/drivers/net/e1000/e1000_param.c @@ -177,7 +177,7 @@ E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay"); * * Valid Range: 100-100000 (0=off, 1=dynamic) * - * Default Value: 1 + * Default Value: 8000 */ E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate"); @@ -227,7 +227,7 @@ static int __devinit e1000_validate_option(int *value, struct e1000_option *opt, struct e1000_adapter *adapter) { - if(*value == OPTION_UNSET) { + if (*value == OPTION_UNSET) { *value = opt->def; return 0; } @@ -244,7 +244,7 @@ e1000_validate_option(int *value, struct e1000_option *opt, } break; case range_option: - if(*value >= opt->arg.r.min && *value <= opt->arg.r.max) { + if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { DPRINTK(PROBE, INFO, "%s set to %i\n", opt->name, *value); return 0; @@ -254,10 +254,10 @@ e1000_validate_option(int *value, struct e1000_option *opt, int i; struct e1000_opt_list *ent; - for(i = 0; i < opt->arg.l.nr; i++) { + for (i = 0; i < opt->arg.l.nr; i++) { ent = &opt->arg.l.p[i]; - if(*value == ent->i) { - if(ent->str[0] != '\0') + if (*value == ent->i) { + if (ent->str[0] != '\0') DPRINTK(PROBE, INFO, "%s\n", ent->str); return 0; } @@ -291,7 +291,7 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter) { int bd = adapter->bd_number; - if(bd >= E1000_MAX_NIC) { + if (bd >= E1000_MAX_NIC) { DPRINTK(PROBE, NOTICE, "Warning: no configuration for board #%i\n", bd); DPRINTK(PROBE, NOTICE, "Using defaults for all values\n"); @@ -315,12 +315,12 @@ e1000_check_options(struct e1000_adapter *adapter) if (num_TxDescriptors > bd) { tx_ring->count = TxDescriptors[bd]; e1000_validate_option(&tx_ring->count, &opt, adapter); - E1000_ROUNDUP(tx_ring->count, + E1000_ROUNDUP(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE); } else { tx_ring->count = opt.def; } - for (i = 0; i < adapter->num_queues; i++) + for (i = 0; i < adapter->num_tx_queues; i++) tx_ring[i].count = tx_ring->count; } { /* Receive Descriptor Count */ @@ -341,12 +341,12 @@ e1000_check_options(struct e1000_adapter *adapter) if (num_RxDescriptors > bd) { rx_ring->count = RxDescriptors[bd]; e1000_validate_option(&rx_ring->count, &opt, adapter); - E1000_ROUNDUP(rx_ring->count, + E1000_ROUNDUP(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE); } else { rx_ring->count = opt.def; } - for (i = 0; i < adapter->num_queues; i++) + for (i = 0; i < adapter->num_rx_queues; i++) rx_ring[i].count = rx_ring->count; } { /* Checksum Offload Enable/Disable */ @@ -388,7 +388,7 @@ e1000_check_options(struct e1000_adapter *adapter) e1000_validate_option(&fc, &opt, adapter); adapter->hw.fc = adapter->hw.original_fc = fc; } else { - adapter->hw.fc = opt.def; + adapter->hw.fc = adapter->hw.original_fc = opt.def; } } { /* Transmit Interrupt Delay */ @@ -403,7 +403,7 @@ e1000_check_options(struct e1000_adapter *adapter) if (num_TxIntDelay > bd) { adapter->tx_int_delay = TxIntDelay[bd]; - e1000_validate_option(&adapter->tx_int_delay, &opt, + e1000_validate_option(&adapter->tx_int_delay, &opt, adapter); } else { adapter->tx_int_delay = opt.def; @@ -421,7 +421,7 @@ e1000_check_options(struct e1000_adapter *adapter) if (num_TxAbsIntDelay > bd) { adapter->tx_abs_int_delay = TxAbsIntDelay[bd]; - e1000_validate_option(&adapter->tx_abs_int_delay, &opt, + e1000_validate_option(&adapter->tx_abs_int_delay, &opt, adapter); } else { adapter->tx_abs_int_delay = opt.def; @@ -439,7 +439,7 @@ e1000_check_options(struct e1000_adapter *adapter) if (num_RxIntDelay > bd) { adapter->rx_int_delay = RxIntDelay[bd]; - e1000_validate_option(&adapter->rx_int_delay, &opt, + e1000_validate_option(&adapter->rx_int_delay, &opt, adapter); } else { adapter->rx_int_delay = opt.def; @@ -457,7 +457,7 @@ e1000_check_options(struct e1000_adapter *adapter) if (num_RxAbsIntDelay > bd) { adapter->rx_abs_int_delay = RxAbsIntDelay[bd]; - e1000_validate_option(&adapter->rx_abs_int_delay, &opt, + e1000_validate_option(&adapter->rx_abs_int_delay, &opt, adapter); } else { adapter->rx_abs_int_delay = opt.def; @@ -475,17 +475,17 @@ e1000_check_options(struct e1000_adapter *adapter) if (num_InterruptThrottleRate > bd) { adapter->itr = InterruptThrottleRate[bd]; - switch(adapter->itr) { + switch (adapter->itr) { case 0: - DPRINTK(PROBE, INFO, "%s turned off\n", + DPRINTK(PROBE, INFO, "%s turned off\n", opt.name); break; case 1: - DPRINTK(PROBE, INFO, "%s set to dynamic mode\n", + DPRINTK(PROBE, INFO, "%s set to dynamic mode\n", opt.name); break; default: - e1000_validate_option(&adapter->itr, &opt, + e1000_validate_option(&adapter->itr, &opt, adapter); break; } @@ -494,7 +494,7 @@ e1000_check_options(struct e1000_adapter *adapter) } } - switch(adapter->hw.media_type) { + switch (adapter->hw.media_type) { case e1000_media_type_fiber: case e1000_media_type_internal_serdes: e1000_check_fiber_options(adapter); @@ -518,17 +518,17 @@ static void __devinit e1000_check_fiber_options(struct e1000_adapter *adapter) { int bd = adapter->bd_number; - if(num_Speed > bd) { + if (num_Speed > bd) { DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, " "parameter ignored\n"); } - if(num_Duplex > bd) { + if (num_Duplex > bd) { DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, " "parameter ignored\n"); } - if((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) { + if ((num_AutoNeg > bd) && (AutoNeg[bd] != 0x20)) { DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is " "not valid for fiber adapters, " "parameter ignored\n"); @@ -545,7 +545,7 @@ e1000_check_fiber_options(struct e1000_adapter *adapter) static void __devinit e1000_check_copper_options(struct e1000_adapter *adapter) { - int speed, dplx; + int speed, dplx, an; int bd = adapter->bd_number; { /* Speed */ @@ -584,6 +584,12 @@ e1000_check_copper_options(struct e1000_adapter *adapter) .p = dplx_list }} }; + if (e1000_check_phy_reset_block(&adapter->hw)) { + DPRINTK(PROBE, INFO, + "Link active due to SoL/IDER Session. " + "Speed/Duplex/AutoNeg parameter ignored.\n"); + return; + } if (num_Duplex > bd) { dplx = Duplex[bd]; e1000_validate_option(&dplx, &opt, adapter); @@ -592,7 +598,7 @@ e1000_check_copper_options(struct e1000_adapter *adapter) } } - if((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) { + if ((num_AutoNeg > bd) && (speed != 0 || dplx != 0)) { DPRINTK(PROBE, INFO, "AutoNeg specified along with Speed or Duplex, " "parameter ignored\n"); @@ -641,15 +647,19 @@ e1000_check_copper_options(struct e1000_adapter *adapter) .p = an_list }} }; - int an = AutoNeg[bd]; - e1000_validate_option(&an, &opt, adapter); + if (num_AutoNeg > bd) { + an = AutoNeg[bd]; + e1000_validate_option(&an, &opt, adapter); + } else { + an = opt.def; + } adapter->hw.autoneg_advertised = an; } switch (speed + dplx) { case 0: adapter->hw.autoneg = adapter->fc_autoneg = 1; - if((num_Speed > bd) && (speed != 0 || dplx != 0)) + if ((num_Speed > bd) && (speed != 0 || dplx != 0)) DPRINTK(PROBE, INFO, "Speed and duplex autonegotiation enabled\n"); break; diff --git a/drivers/net/e2100.c b/drivers/net/e2100.c index f5a4dd7d856..e5c5cd2a271 100644 --- a/drivers/net/e2100.c +++ b/drivers/net/e2100.c @@ -140,13 +140,6 @@ static int __init do_e2100_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* NB: e21_close() handles free_irq */ - iounmap(ei_status.mem); - release_region(dev->base_addr, E21_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init e2100_probe(int unit) { @@ -463,6 +456,13 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* NB: e21_close() handles free_irq */ + iounmap(ei_status.mem); + release_region(dev->base_addr, E21_IO_EXTENT); +} + void cleanup_module(void) { diff --git a/drivers/net/es3210.c b/drivers/net/es3210.c index 50f8e23bb9e..6b0ab1eac3f 100644 --- a/drivers/net/es3210.c +++ b/drivers/net/es3210.c @@ -155,13 +155,6 @@ static int __init do_es_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, dev); - release_region(dev->base_addr, ES_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init es_probe(int unit) { @@ -456,6 +449,13 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + free_irq(dev->irq, dev); + release_region(dev->base_addr, ES_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 525624fc03b..3682ec61e8a 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -10,7 +10,7 @@ * trademarks of NVIDIA Corporation in the United States and other * countries. * - * Copyright (C) 2003,4 Manfred Spraul + * Copyright (C) 2003,4,5 Manfred Spraul * Copyright (C) 2004 Andrew de Quincey (wol support) * Copyright (C) 2004 Carl-Daniel Hailfinger (invalid MAC handling, insane * IRQ rate fixes, bigendian fixes, cleanups, verification) @@ -100,6 +100,8 @@ * 0.45: 18 Sep 2005: Remove nv_stop/start_rx from every link check * 0.46: 20 Oct 2005: Add irq optimization modes. * 0.47: 26 Oct 2005: Add phyaddr 0 in phy scan. + * 0.48: 24 Dec 2005: Disable TSO, bugfix for pci_map_single + * 0.49: 10 Dec 2005: Fix tso for large buffers. * * Known bugs: * We suspect that on some hardware no TX done interrupts are generated. @@ -111,7 +113,7 @@ * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few * superfluous timer interrupts from the nic. */ -#define FORCEDETH_VERSION "0.47" +#define FORCEDETH_VERSION "0.49" #define DRV_NAME "forcedeth" #include <linux/module.h> @@ -348,6 +350,8 @@ typedef union _ring_type { #define NV_TX2_VALID (1<<31) #define NV_TX2_TSO (1<<28) #define NV_TX2_TSO_SHIFT 14 +#define NV_TX2_TSO_MAX_SHIFT 14 +#define NV_TX2_TSO_MAX_SIZE (1<<NV_TX2_TSO_MAX_SHIFT) #define NV_TX2_CHECKSUM_L3 (1<<27) #define NV_TX2_CHECKSUM_L4 (1<<26) @@ -407,15 +411,15 @@ typedef union _ring_type { #define NV_WATCHDOG_TIMEO (5*HZ) #define RX_RING 128 -#define TX_RING 64 +#define TX_RING 256 /* * If your nic mysteriously hangs then try to reduce the limits * to 1/0: It might be required to set NV_TX_LASTPACKET in the * last valid ring entry. But this would be impossible to * implement - probably a disassembly error. */ -#define TX_LIMIT_STOP 63 -#define TX_LIMIT_START 62 +#define TX_LIMIT_STOP 255 +#define TX_LIMIT_START 254 /* rx/tx mac addr + type + vlan + align + slack*/ #define NV_RX_HEADERS (64) @@ -534,6 +538,7 @@ struct fe_priv { unsigned int next_tx, nic_tx; struct sk_buff *tx_skbuff[TX_RING]; dma_addr_t tx_dma[TX_RING]; + unsigned int tx_dma_len[TX_RING]; u32 tx_flags; }; @@ -871,8 +876,8 @@ static int nv_alloc_rx(struct net_device *dev) } else { skb = np->rx_skbuff[nr]; } - np->rx_dma[nr] = pci_map_single(np->pci_dev, skb->data, skb->len, - PCI_DMA_FROMDEVICE); + np->rx_dma[nr] = pci_map_single(np->pci_dev, skb->data, + skb->end-skb->data, PCI_DMA_FROMDEVICE); if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { np->rx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->rx_dma[nr]); wmb(); @@ -934,6 +939,7 @@ static void nv_init_tx(struct net_device *dev) else np->tx_ring.ex[i].FlagLen = 0; np->tx_skbuff[i] = NULL; + np->tx_dma[i] = 0; } } @@ -944,30 +950,27 @@ static int nv_init_ring(struct net_device *dev) return nv_alloc_rx(dev); } -static void nv_release_txskb(struct net_device *dev, unsigned int skbnr) +static int nv_release_txskb(struct net_device *dev, unsigned int skbnr) { struct fe_priv *np = netdev_priv(dev); - struct sk_buff *skb = np->tx_skbuff[skbnr]; - unsigned int j, entry, fragments; - - dprintk(KERN_INFO "%s: nv_release_txskb for skbnr %d, skb %p\n", - dev->name, skbnr, np->tx_skbuff[skbnr]); - - entry = skbnr; - if ((fragments = skb_shinfo(skb)->nr_frags) != 0) { - for (j = fragments; j >= 1; j--) { - skb_frag_t *frag = &skb_shinfo(skb)->frags[j-1]; - pci_unmap_page(np->pci_dev, np->tx_dma[entry], - frag->size, - PCI_DMA_TODEVICE); - entry = (entry - 1) % TX_RING; - } + + dprintk(KERN_INFO "%s: nv_release_txskb for skbnr %d\n", + dev->name, skbnr); + + if (np->tx_dma[skbnr]) { + pci_unmap_page(np->pci_dev, np->tx_dma[skbnr], + np->tx_dma_len[skbnr], + PCI_DMA_TODEVICE); + np->tx_dma[skbnr] = 0; + } + + if (np->tx_skbuff[skbnr]) { + dev_kfree_skb_irq(np->tx_skbuff[skbnr]); + np->tx_skbuff[skbnr] = NULL; + return 1; + } else { + return 0; } - pci_unmap_single(np->pci_dev, np->tx_dma[entry], - skb->len - skb->data_len, - PCI_DMA_TODEVICE); - dev_kfree_skb_irq(skb); - np->tx_skbuff[skbnr] = NULL; } static void nv_drain_tx(struct net_device *dev) @@ -980,10 +983,8 @@ static void nv_drain_tx(struct net_device *dev) np->tx_ring.orig[i].FlagLen = 0; else np->tx_ring.ex[i].FlagLen = 0; - if (np->tx_skbuff[i]) { - nv_release_txskb(dev, i); + if (nv_release_txskb(dev, i)) np->stats.tx_dropped++; - } } } @@ -999,7 +1000,7 @@ static void nv_drain_rx(struct net_device *dev) wmb(); if (np->rx_skbuff[i]) { pci_unmap_single(np->pci_dev, np->rx_dma[i], - np->rx_skbuff[i]->len, + np->rx_skbuff[i]->end-np->rx_skbuff[i]->data, PCI_DMA_FROMDEVICE); dev_kfree_skb(np->rx_skbuff[i]); np->rx_skbuff[i] = NULL; @@ -1020,68 +1021,105 @@ static void drain_ring(struct net_device *dev) static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct fe_priv *np = netdev_priv(dev); + u32 tx_flags = 0; u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); unsigned int fragments = skb_shinfo(skb)->nr_frags; - unsigned int nr = (np->next_tx + fragments) % TX_RING; + unsigned int nr = (np->next_tx - 1) % TX_RING; + unsigned int start_nr = np->next_tx % TX_RING; unsigned int i; + u32 offset = 0; + u32 bcnt; + u32 size = skb->len-skb->data_len; + u32 entries = (size >> NV_TX2_TSO_MAX_SHIFT) + ((size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); + + /* add fragments to entries count */ + for (i = 0; i < fragments; i++) { + entries += (skb_shinfo(skb)->frags[i].size >> NV_TX2_TSO_MAX_SHIFT) + + ((skb_shinfo(skb)->frags[i].size & (NV_TX2_TSO_MAX_SIZE-1)) ? 1 : 0); + } spin_lock_irq(&np->lock); - if ((np->next_tx - np->nic_tx + fragments) > TX_LIMIT_STOP) { + if ((np->next_tx - np->nic_tx + entries - 1) > TX_LIMIT_STOP) { spin_unlock_irq(&np->lock); netif_stop_queue(dev); return NETDEV_TX_BUSY; } - np->tx_skbuff[nr] = skb; - - if (fragments) { - dprintk(KERN_DEBUG "%s: nv_start_xmit: buffer contains %d fragments\n", dev->name, fragments); - /* setup descriptors in reverse order */ - for (i = fragments; i >= 1; i--) { - skb_frag_t *frag = &skb_shinfo(skb)->frags[i-1]; - np->tx_dma[nr] = pci_map_page(np->pci_dev, frag->page, frag->page_offset, frag->size, - PCI_DMA_TODEVICE); + /* setup the header buffer */ + do { + bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; + nr = (nr + 1) % TX_RING; + + np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data + offset, bcnt, + PCI_DMA_TODEVICE); + np->tx_dma_len[nr] = bcnt; + + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); + np->tx_ring.orig[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); + } else { + np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; + np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; + np->tx_ring.ex[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); + } + tx_flags = np->tx_flags; + offset += bcnt; + size -= bcnt; + } while(size); + + /* setup the fragments */ + for (i = 0; i < fragments; i++) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + u32 size = frag->size; + offset = 0; + + do { + bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; + nr = (nr + 1) % TX_RING; + + np->tx_dma[nr] = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, + PCI_DMA_TODEVICE); + np->tx_dma_len[nr] = bcnt; if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); - np->tx_ring.orig[nr].FlagLen = cpu_to_le32( (frag->size-1) | np->tx_flags | tx_flags_extra); + np->tx_ring.orig[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); } else { np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; - np->tx_ring.ex[nr].FlagLen = cpu_to_le32( (frag->size-1) | np->tx_flags | tx_flags_extra); + np->tx_ring.ex[nr].FlagLen = cpu_to_le32((bcnt-1) | tx_flags); } - - nr = (nr - 1) % TX_RING; + offset += bcnt; + size -= bcnt; + } while (size); + } - if (np->desc_ver == DESC_VER_1) - tx_flags_extra &= ~NV_TX_LASTPACKET; - else - tx_flags_extra &= ~NV_TX2_LASTPACKET; - } + /* set last fragment flag */ + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + np->tx_ring.orig[nr].FlagLen |= cpu_to_le32(tx_flags_extra); + } else { + np->tx_ring.ex[nr].FlagLen |= cpu_to_le32(tx_flags_extra); } + np->tx_skbuff[nr] = skb; + #ifdef NETIF_F_TSO if (skb_shinfo(skb)->tso_size) - tx_flags_extra |= NV_TX2_TSO | (skb_shinfo(skb)->tso_size << NV_TX2_TSO_SHIFT); + tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->tso_size << NV_TX2_TSO_SHIFT); else #endif - tx_flags_extra |= (skb->ip_summed == CHECKSUM_HW ? (NV_TX2_CHECKSUM_L3|NV_TX2_CHECKSUM_L4) : 0); + tx_flags_extra = (skb->ip_summed == CHECKSUM_HW ? (NV_TX2_CHECKSUM_L3|NV_TX2_CHECKSUM_L4) : 0); - np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data, skb->len-skb->data_len, - PCI_DMA_TODEVICE); - + /* set tx flags */ if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { - np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); - np->tx_ring.orig[nr].FlagLen = cpu_to_le32( (skb->len-skb->data_len-1) | np->tx_flags | tx_flags_extra); + np->tx_ring.orig[start_nr].FlagLen |= cpu_to_le32(tx_flags | tx_flags_extra); } else { - np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; - np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; - np->tx_ring.ex[nr].FlagLen = cpu_to_le32( (skb->len-skb->data_len-1) | np->tx_flags | tx_flags_extra); + np->tx_ring.ex[start_nr].FlagLen |= cpu_to_le32(tx_flags | tx_flags_extra); } - dprintk(KERN_DEBUG "%s: nv_start_xmit: packet packet %d queued for transmission. tx_flags_extra: %x\n", - dev->name, np->next_tx, tx_flags_extra); + dprintk(KERN_DEBUG "%s: nv_start_xmit: packet %d (entries %d) queued for transmission. tx_flags_extra: %x\n", + dev->name, np->next_tx, entries, tx_flags_extra); { int j; for (j=0; j<64; j++) { @@ -1092,7 +1130,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) dprintk("\n"); } - np->next_tx += 1 + fragments; + np->next_tx += entries; dev->trans_start = jiffies; spin_unlock_irq(&np->lock); @@ -1139,7 +1177,6 @@ static void nv_tx_done(struct net_device *dev) np->stats.tx_packets++; np->stats.tx_bytes += skb->len; } - nv_release_txskb(dev, i); } } else { if (Flags & NV_TX2_LASTPACKET) { @@ -1155,9 +1192,9 @@ static void nv_tx_done(struct net_device *dev) np->stats.tx_packets++; np->stats.tx_bytes += skb->len; } - nv_release_txskb(dev, i); } } + nv_release_txskb(dev, i); np->nic_tx++; } if (np->next_tx - np->nic_tx < TX_LIMIT_START) @@ -1334,7 +1371,7 @@ static void nv_rx_process(struct net_device *dev) * the performance. */ pci_unmap_single(np->pci_dev, np->rx_dma[i], - np->rx_skbuff[i]->len, + np->rx_skbuff[i]->end-np->rx_skbuff[i]->data, PCI_DMA_FROMDEVICE); { diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 0f030b73cbb..0c18dbd67d3 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -2,7 +2,8 @@ * drivers/net/gianfar.c * * Gianfar Ethernet Driver - * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560 + * This driver is designed for the non-CPM ethernet controllers + * on the 85xx and 83xx family of integrated processors * Based on 8260_io/fcc_enet.c * * Author: Andy Fleming @@ -22,8 +23,6 @@ * B-V +1.62 * * Theory of operation - * This driver is designed for the non-CPM ethernet controllers - * on the 85xx and 83xx family of integrated processors * * The driver is initialized through platform_device. Structures which * define the configuration needed by the board are defined in a @@ -85,6 +84,7 @@ #include <linux/ip.h> #include <linux/tcp.h> #include <linux/udp.h> +#include <linux/in.h> #include <asm/io.h> #include <asm/irq.h> @@ -110,7 +110,7 @@ #endif const char gfar_driver_name[] = "Gianfar Ethernet"; -const char gfar_driver_version[] = "1.2"; +const char gfar_driver_version[] = "1.3"; static int gfar_enet_open(struct net_device *dev); static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev); @@ -139,6 +139,10 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, int l static void gfar_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp); static void gfar_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid); +void gfar_halt(struct net_device *dev); +void gfar_start(struct net_device *dev); +static void gfar_clear_exact_match(struct net_device *dev); +static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr); extern struct ethtool_ops gfar_ethtool_ops; @@ -146,12 +150,10 @@ MODULE_AUTHOR("Freescale Semiconductor, Inc"); MODULE_DESCRIPTION("Gianfar Ethernet Driver"); MODULE_LICENSE("GPL"); -int gfar_uses_fcb(struct gfar_private *priv) +/* Returns 1 if incoming frames use an FCB */ +static inline int gfar_uses_fcb(struct gfar_private *priv) { - if (priv->vlan_enable || priv->rx_csum_enable) - return 1; - else - return 0; + return (priv->vlan_enable || priv->rx_csum_enable); } /* Set up the ethernet device structure, private data, @@ -320,15 +322,10 @@ static int gfar_probe(struct platform_device *pdev) else priv->padding = 0; - dev->hard_header_len += priv->padding; - if (dev->features & NETIF_F_IP_CSUM) dev->hard_header_len += GMAC_FCB_LEN; priv->rx_buffer_size = DEFAULT_RX_BUFFER_SIZE; -#ifdef CONFIG_GFAR_BUFSTASH - priv->rx_stash_size = STASH_LENGTH; -#endif priv->tx_ring_size = DEFAULT_TX_RING_SIZE; priv->rx_ring_size = DEFAULT_RX_RING_SIZE; @@ -350,6 +347,9 @@ static int gfar_probe(struct platform_device *pdev) goto register_fail; } + /* Create all the sysfs files */ + gfar_init_sysfs(dev); + /* Print out the device info */ printk(KERN_INFO DEVICE_NAME, dev->name); for (idx = 0; idx < 6; idx++) @@ -357,8 +357,7 @@ static int gfar_probe(struct platform_device *pdev) printk("\n"); /* Even more device info helps when determining which kernel */ - /* provided which set of benchmarks. Since this is global for all */ - /* devices, we only print it once */ + /* provided which set of benchmarks. */ #ifdef CONFIG_GFAR_NAPI printk(KERN_INFO "%s: Running with NAPI enabled\n", dev->name); #else @@ -400,12 +399,15 @@ static int init_phy(struct net_device *dev) priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ? SUPPORTED_1000baseT_Full : 0; struct phy_device *phydev; + char phy_id[BUS_ID_SIZE]; priv->oldlink = 0; priv->oldspeed = 0; priv->oldduplex = -1; - phydev = phy_connect(dev, priv->einfo->bus_id, &adjust_link, 0); + snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->einfo->bus_id, priv->einfo->phy_id); + + phydev = phy_connect(dev, phy_id, &adjust_link, 0); if (IS_ERR(phydev)) { printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); @@ -463,19 +465,9 @@ static void init_registers(struct net_device *dev) /* Initialize the max receive buffer length */ gfar_write(&priv->regs->mrblr, priv->rx_buffer_size); -#ifdef CONFIG_GFAR_BUFSTASH - /* If we are stashing buffers, we need to set the - * extraction length to the size of the buffer */ - gfar_write(&priv->regs->attreli, priv->rx_stash_size << 16); -#endif - /* Initialize the Minimum Frame Length Register */ gfar_write(&priv->regs->minflr, MINFLR_INIT_SETTINGS); - /* Setup Attributes so that snooping is on for rx */ - gfar_write(&priv->regs->attr, ATTR_INIT_SETTINGS); - gfar_write(&priv->regs->attreli, ATTRELI_INIT_SETTINGS); - /* Assign the TBI an address which won't conflict with the PHYs */ gfar_write(&priv->regs->tbipa, TBIPA_VALUE); } @@ -577,8 +569,7 @@ static void free_skb_resources(struct gfar_private *priv) for (i = 0; i < priv->rx_ring_size; i++) { if (priv->rx_skbuff[i]) { dma_unmap_single(NULL, rxbdp->bufPtr, - priv->rx_buffer_size - + RXBUF_ALIGNMENT, + priv->rx_buffer_size, DMA_FROM_DEVICE); dev_kfree_skb_any(priv->rx_skbuff[i]); @@ -636,6 +627,7 @@ int startup_gfar(struct net_device *dev) struct gfar *regs = priv->regs; int err = 0; u32 rctrl = 0; + u32 attrs = 0; gfar_write(®s->imask, IMASK_INIT_CLEAR); @@ -795,18 +787,50 @@ int startup_gfar(struct net_device *dev) if (priv->rx_csum_enable) rctrl |= RCTRL_CHECKSUMMING; - if (priv->extended_hash) + if (priv->extended_hash) { rctrl |= RCTRL_EXTHASH; + gfar_clear_exact_match(dev); + rctrl |= RCTRL_EMEN; + } + if (priv->vlan_enable) rctrl |= RCTRL_VLAN; + if (priv->padding) { + rctrl &= ~RCTRL_PAL_MASK; + rctrl |= RCTRL_PADDING(priv->padding); + } + /* Init rctrl based on our settings */ gfar_write(&priv->regs->rctrl, rctrl); if (dev->features & NETIF_F_IP_CSUM) gfar_write(&priv->regs->tctrl, TCTRL_INIT_CSUM); + /* Set the extraction length and index */ + attrs = ATTRELI_EL(priv->rx_stash_size) | + ATTRELI_EI(priv->rx_stash_index); + + gfar_write(&priv->regs->attreli, attrs); + + /* Start with defaults, and add stashing or locking + * depending on the approprate variables */ + attrs = ATTR_INIT_SETTINGS; + + if (priv->bd_stash_en) + attrs |= ATTR_BDSTASH; + + if (priv->rx_stash_size != 0) + attrs |= ATTR_BUFSTASH; + + gfar_write(&priv->regs->attr, attrs); + + gfar_write(&priv->regs->fifo_tx_thr, priv->fifo_threshold); + gfar_write(&priv->regs->fifo_tx_starve, priv->fifo_starve); + gfar_write(&priv->regs->fifo_tx_starve_shutoff, priv->fifo_starve_off); + + /* Start the controller */ gfar_start(dev); return 0; @@ -851,34 +875,32 @@ static int gfar_enet_open(struct net_device *dev) return err; } -static struct txfcb *gfar_add_fcb(struct sk_buff *skb, struct txbd8 *bdp) +static inline struct txfcb *gfar_add_fcb(struct sk_buff *skb, struct txbd8 *bdp) { struct txfcb *fcb = (struct txfcb *)skb_push (skb, GMAC_FCB_LEN); memset(fcb, 0, GMAC_FCB_LEN); - /* Flag the bd so the controller looks for the FCB */ - bdp->status |= TXBD_TOE; - return fcb; } static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb) { - int len; + u8 flags = 0; /* If we're here, it's a IP packet with a TCP or UDP * payload. We set it to checksum, using a pseudo-header * we provide */ - fcb->ip = 1; - fcb->tup = 1; - fcb->ctu = 1; - fcb->nph = 1; + flags = TXFCB_DEFAULT; - /* Notify the controller what the protocol is */ - if (skb->nh.iph->protocol == IPPROTO_UDP) - fcb->udp = 1; + /* Tell the controller what the protocol is */ + /* And provide the already calculated phcs */ + if (skb->nh.iph->protocol == IPPROTO_UDP) { + flags |= TXFCB_UDP; + fcb->phcs = skb->h.uh->check; + } else + fcb->phcs = skb->h.th->check; /* l3os is the distance between the start of the * frame (skb->data) and the start of the IP hdr. @@ -887,17 +909,12 @@ static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb) fcb->l3os = (u16)(skb->nh.raw - skb->data - GMAC_FCB_LEN); fcb->l4os = (u16)(skb->h.raw - skb->nh.raw); - len = skb->nh.iph->tot_len - fcb->l4os; - - /* Provide the pseudoheader csum */ - fcb->phcs = ~csum_tcpudp_magic(skb->nh.iph->saddr, - skb->nh.iph->daddr, len, - skb->nh.iph->protocol, 0); + fcb->flags = flags; } -void gfar_tx_vlan(struct sk_buff *skb, struct txfcb *fcb) +void inline gfar_tx_vlan(struct sk_buff *skb, struct txfcb *fcb) { - fcb->vln = 1; + fcb->flags |= TXFCB_VLN; fcb->vlctl = vlan_tx_tag_get(skb); } @@ -908,6 +925,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) struct gfar_private *priv = netdev_priv(dev); struct txfcb *fcb = NULL; struct txbd8 *txbdp; + u16 status; /* Update transmit stats */ priv->stats.tx_bytes += skb->len; @@ -919,19 +937,22 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) txbdp = priv->cur_tx; /* Clear all but the WRAP status flags */ - txbdp->status &= TXBD_WRAP; + status = txbdp->status & TXBD_WRAP; /* Set up checksumming */ - if ((dev->features & NETIF_F_IP_CSUM) - && (CHECKSUM_HW == skb->ip_summed)) { + if (likely((dev->features & NETIF_F_IP_CSUM) + && (CHECKSUM_HW == skb->ip_summed))) { fcb = gfar_add_fcb(skb, txbdp); + status |= TXBD_TOE; gfar_tx_checksum(skb, fcb); } if (priv->vlan_enable && unlikely(priv->vlgrp && vlan_tx_tag_present(skb))) { - if (NULL == fcb) + if (unlikely(NULL == fcb)) { fcb = gfar_add_fcb(skb, txbdp); + status |= TXBD_TOE; + } gfar_tx_vlan(skb, fcb); } @@ -949,14 +970,16 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) (priv->skb_curtx + 1) & TX_RING_MOD_MASK(priv->tx_ring_size); /* Flag the BD as interrupt-causing */ - txbdp->status |= TXBD_INTERRUPT; + status |= TXBD_INTERRUPT; /* Flag the BD as ready to go, last in frame, and */ /* in need of CRC */ - txbdp->status |= (TXBD_READY | TXBD_LAST | TXBD_CRC); + status |= (TXBD_READY | TXBD_LAST | TXBD_CRC); dev->trans_start = jiffies; + txbdp->status = status; + /* If this was the last BD in the ring, the next one */ /* is at the beginning of the ring */ if (txbdp->status & TXBD_WRAP) @@ -1010,21 +1033,7 @@ static struct net_device_stats * gfar_get_stats(struct net_device *dev) /* Changes the mac address if the controller is not running. */ int gfar_set_mac_address(struct net_device *dev) { - struct gfar_private *priv = netdev_priv(dev); - int i; - char tmpbuf[MAC_ADDR_LEN]; - u32 tempval; - - /* Now copy it into the mac registers backwards, cuz */ - /* little endian is silly */ - for (i = 0; i < MAC_ADDR_LEN; i++) - tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->dev_addr[i]; - - gfar_write(&priv->regs->macstnaddr1, *((u32 *) (tmpbuf))); - - tempval = *((u32 *) (tmpbuf + 4)); - - gfar_write(&priv->regs->macstnaddr2, tempval); + gfar_set_mac_for_addr(dev, 0, dev->dev_addr); return 0; } @@ -1110,7 +1119,7 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu) INCREMENTAL_BUFFER_SIZE; /* Only stop and start the controller if it isn't already - * stopped */ + * stopped, and we changed something */ if ((oldsize != tempsize) && (dev->flags & IFF_UP)) stop_gfar(dev); @@ -1220,6 +1229,7 @@ static irqreturn_t gfar_transmit(int irq, void *dev_id, struct pt_regs *regs) struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp) { + unsigned int alignamount; struct gfar_private *priv = netdev_priv(dev); struct sk_buff *skb = NULL; unsigned int timeout = SKB_ALLOC_TIMEOUT; @@ -1231,18 +1241,18 @@ struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp) if (NULL == skb) return NULL; + alignamount = RXBUF_ALIGNMENT - + (((unsigned) skb->data) & (RXBUF_ALIGNMENT - 1)); + /* We need the data buffer to be aligned properly. We will reserve * as many bytes as needed to align the data properly */ - skb_reserve(skb, - RXBUF_ALIGNMENT - - (((unsigned) skb->data) & (RXBUF_ALIGNMENT - 1))); + skb_reserve(skb, alignamount); skb->dev = dev; bdp->bufPtr = dma_map_single(NULL, skb->data, - priv->rx_buffer_size + RXBUF_ALIGNMENT, - DMA_FROM_DEVICE); + priv->rx_buffer_size, DMA_FROM_DEVICE); bdp->length = 0; @@ -1350,7 +1360,7 @@ static inline void gfar_rx_checksum(struct sk_buff *skb, struct rxfcb *fcb) /* If valid headers were found, and valid sums * were verified, then we tell the kernel that no * checksumming is necessary. Otherwise, it is */ - if (fcb->cip && !fcb->eip && fcb->ctu && !fcb->etu) + if ((fcb->flags & RXFCB_CSUM_MASK) == (RXFCB_CIP | RXFCB_CTU)) skb->ip_summed = CHECKSUM_UNNECESSARY; else skb->ip_summed = CHECKSUM_NONE; @@ -1401,7 +1411,7 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, skb->protocol = eth_type_trans(skb, dev); /* Send the packet up the stack */ - if (unlikely(priv->vlgrp && fcb->vln)) + if (unlikely(priv->vlgrp && (fcb->flags & RXFCB_VLN))) ret = gfar_rx_vlan(skb, priv->vlgrp, fcb->vlctl); else ret = RECEIVE(skb); @@ -1620,6 +1630,7 @@ static void adjust_link(struct net_device *dev) spin_lock_irqsave(&priv->lock, flags); if (phydev->link) { u32 tempval = gfar_read(®s->maccfg2); + u32 ecntrl = gfar_read(®s->ecntrl); /* Now we make sure that we can be in full duplex mode. * If not, we operate in half-duplex mode. */ @@ -1644,6 +1655,13 @@ static void adjust_link(struct net_device *dev) case 10: tempval = ((tempval & ~(MACCFG2_IF)) | MACCFG2_MII); + + /* Reduced mode distinguishes + * between 10 and 100 */ + if (phydev->speed == SPEED_100) + ecntrl |= ECNTRL_R100; + else + ecntrl &= ~(ECNTRL_R100); break; default: if (netif_msg_link(priv)) @@ -1657,6 +1675,7 @@ static void adjust_link(struct net_device *dev) } gfar_write(®s->maccfg2, tempval); + gfar_write(®s->ecntrl, ecntrl); if (!priv->oldlink) { new_state = 1; @@ -1721,6 +1740,9 @@ static void gfar_set_multi(struct net_device *dev) gfar_write(®s->gaddr6, 0xffffffff); gfar_write(®s->gaddr7, 0xffffffff); } else { + int em_num; + int idx; + /* zero out the hash */ gfar_write(®s->igaddr0, 0x0); gfar_write(®s->igaddr1, 0x0); @@ -1739,18 +1761,47 @@ static void gfar_set_multi(struct net_device *dev) gfar_write(®s->gaddr6, 0x0); gfar_write(®s->gaddr7, 0x0); + /* If we have extended hash tables, we need to + * clear the exact match registers to prepare for + * setting them */ + if (priv->extended_hash) { + em_num = GFAR_EM_NUM + 1; + gfar_clear_exact_match(dev); + idx = 1; + } else { + idx = 0; + em_num = 0; + } + if(dev->mc_count == 0) return; /* Parse the list, and set the appropriate bits */ for(mc_ptr = dev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) { - gfar_set_hash_for_addr(dev, mc_ptr->dmi_addr); + if (idx < em_num) { + gfar_set_mac_for_addr(dev, idx, + mc_ptr->dmi_addr); + idx++; + } else + gfar_set_hash_for_addr(dev, mc_ptr->dmi_addr); } } return; } + +/* Clears each of the exact match registers to zero, so they + * don't interfere with normal reception */ +static void gfar_clear_exact_match(struct net_device *dev) +{ + int idx; + u8 zero_arr[MAC_ADDR_LEN] = {0,0,0,0,0,0}; + + for(idx = 1;idx < GFAR_EM_NUM + 1;idx++) + gfar_set_mac_for_addr(dev, idx, (u8 *)zero_arr); +} + /* Set the appropriate hash bit for the given addr */ /* The algorithm works like so: * 1) Take the Destination Address (ie the multicast address), and @@ -1781,6 +1832,32 @@ static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr) return; } + +/* There are multiple MAC Address register pairs on some controllers + * This function sets the numth pair to a given address + */ +static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr) +{ + struct gfar_private *priv = netdev_priv(dev); + int idx; + char tmpbuf[MAC_ADDR_LEN]; + u32 tempval; + u32 *macptr = &priv->regs->macstnaddr1; + + macptr += num*2; + + /* Now copy it into the mac registers backwards, cuz */ + /* little endian is silly */ + for (idx = 0; idx < MAC_ADDR_LEN; idx++) + tmpbuf[MAC_ADDR_LEN - 1 - idx] = addr[idx]; + + gfar_write(macptr, *((u32 *) (tmpbuf))); + + tempval = *((u32 *) (tmpbuf + 4)); + + gfar_write(macptr+1, tempval); +} + /* GFAR error interrupt handler */ static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs) { diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 5065ba82cb7..cb9d66ac3ab 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -90,12 +90,26 @@ extern const char gfar_driver_version[]; #define GFAR_RX_MAX_RING_SIZE 256 #define GFAR_TX_MAX_RING_SIZE 256 +#define GFAR_MAX_FIFO_THRESHOLD 511 +#define GFAR_MAX_FIFO_STARVE 511 +#define GFAR_MAX_FIFO_STARVE_OFF 511 + #define DEFAULT_RX_BUFFER_SIZE 1536 #define TX_RING_MOD_MASK(size) (size-1) #define RX_RING_MOD_MASK(size) (size-1) #define JUMBO_BUFFER_SIZE 9728 #define JUMBO_FRAME_SIZE 9600 +#define DEFAULT_FIFO_TX_THR 0x100 +#define DEFAULT_FIFO_TX_STARVE 0x40 +#define DEFAULT_FIFO_TX_STARVE_OFF 0x80 +#define DEFAULT_BD_STASH 1 +#define DEFAULT_STASH_LENGTH 64 +#define DEFAULT_STASH_INDEX 0 + +/* The number of Exact Match registers */ +#define GFAR_EM_NUM 15 + /* Latency of interface clock in nanoseconds */ /* Interface clock latency , in this case, means the * time described by a value of 1 in the interrupt @@ -112,11 +126,11 @@ extern const char gfar_driver_version[]; #define DEFAULT_TX_COALESCE 1 #define DEFAULT_TXCOUNT 16 -#define DEFAULT_TXTIME 400 +#define DEFAULT_TXTIME 4 #define DEFAULT_RX_COALESCE 1 #define DEFAULT_RXCOUNT 16 -#define DEFAULT_RXTIME 400 +#define DEFAULT_RXTIME 4 #define TBIPA_VALUE 0x1f #define MIIMCFG_INIT_VALUE 0x00000007 @@ -147,6 +161,7 @@ extern const char gfar_driver_version[]; #define ECNTRL_INIT_SETTINGS 0x00001000 #define ECNTRL_TBI_MODE 0x00000020 +#define ECNTRL_R100 0x00000008 #define MRBLR_INIT_SETTINGS DEFAULT_RX_BUFFER_SIZE @@ -181,10 +196,12 @@ extern const char gfar_driver_version[]; #define RCTRL_PRSDEP_MASK 0x000000c0 #define RCTRL_PRSDEP_INIT 0x000000c0 #define RCTRL_PROM 0x00000008 +#define RCTRL_EMEN 0x00000002 #define RCTRL_CHECKSUMMING (RCTRL_IPCSEN \ | RCTRL_TUCSEN | RCTRL_PRSDEP_INIT) #define RCTRL_EXTHASH (RCTRL_GHTX) #define RCTRL_VLAN (RCTRL_PRSDEP_INIT) +#define RCTRL_PADDING(x) ((x << 16) & RCTRL_PAL_MASK) #define RSTAT_CLEAR_RHALT 0x00800000 @@ -251,28 +268,26 @@ extern const char gfar_driver_version[]; IMASK_XFUN | IMASK_RXC | IMASK_BABT | IMASK_DPE \ | IMASK_PERR) +/* Fifo management */ +#define FIFO_TX_THR_MASK 0x01ff +#define FIFO_TX_STARVE_MASK 0x01ff +#define FIFO_TX_STARVE_OFF_MASK 0x01ff /* Attribute fields */ /* This enables rx snooping for buffers and descriptors */ -#ifdef CONFIG_GFAR_BDSTASH #define ATTR_BDSTASH 0x00000800 -#else -#define ATTR_BDSTASH 0x00000000 -#endif -#ifdef CONFIG_GFAR_BUFSTASH #define ATTR_BUFSTASH 0x00004000 -#define STASH_LENGTH 64 -#else -#define ATTR_BUFSTASH 0x00000000 -#endif #define ATTR_SNOOPING 0x000000c0 -#define ATTR_INIT_SETTINGS (ATTR_SNOOPING \ - | ATTR_BDSTASH | ATTR_BUFSTASH) +#define ATTR_INIT_SETTINGS ATTR_SNOOPING #define ATTRELI_INIT_SETTINGS 0x0 +#define ATTRELI_EL_MASK 0x3fff0000 +#define ATTRELI_EL(x) (x << 16) +#define ATTRELI_EI_MASK 0x00003fff +#define ATTRELI_EI(x) (x) /* TxBD status field bits */ @@ -328,6 +343,7 @@ extern const char gfar_driver_version[]; #define RXFCB_CTU 0x0400 #define RXFCB_EIP 0x0200 #define RXFCB_ETU 0x0100 +#define RXFCB_CSUM_MASK 0x0f00 #define RXFCB_PERR_MASK 0x000c #define RXFCB_PERR_BADL3 0x0008 @@ -339,14 +355,7 @@ struct txbd8 }; struct txfcb { - u8 vln:1, - ip:1, - ip6:1, - tup:1, - udp:1, - cip:1, - ctu:1, - nph:1; + u8 flags; u8 reserved; u8 l4os; /* Level 4 Header Offset */ u8 l3os; /* Level 3 Header Offset */ @@ -362,14 +371,7 @@ struct rxbd8 }; struct rxfcb { - u16 vln:1, - ip:1, - ip6:1, - tup:1, - cip:1, - ctu:1, - eip:1, - etu:1; + u16 flags; u8 rq; /* Receive Queue index */ u8 pro; /* Layer 4 Protocol */ u16 reserved; @@ -688,12 +690,17 @@ struct gfar_private { spinlock_t lock; unsigned int rx_buffer_size; unsigned int rx_stash_size; + unsigned int rx_stash_index; unsigned int tx_ring_size; unsigned int rx_ring_size; + unsigned int fifo_threshold; + unsigned int fifo_starve; + unsigned int fifo_starve_off; unsigned char vlan_enable:1, rx_csum_enable:1, - extended_hash:1; + extended_hash:1, + bd_stash_en:1; unsigned short padding; struct vlan_group *vlgrp; /* Info structure initialized by board setup code */ @@ -711,14 +718,14 @@ struct gfar_private { uint32_t msg_enable; }; -extern inline u32 gfar_read(volatile unsigned *addr) +static inline u32 gfar_read(volatile unsigned *addr) { u32 val; val = in_be32(addr); return val; } -extern inline void gfar_write(volatile unsigned *addr, u32 val) +static inline void gfar_write(volatile unsigned *addr, u32 val) { out_be32(addr, val); } @@ -731,6 +738,6 @@ extern void stop_gfar(struct net_device *dev); extern void gfar_halt(struct net_device *dev); extern void gfar_phy_test(struct mii_bus *bus, struct phy_device *phydev, int enable, u32 regnum, u32 read); -void gfar_setup_stashing(struct net_device *dev); +void gfar_init_sysfs(struct net_device *dev); #endif /* __GIANFAR_H */ diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index cfa3cd7c91a..765e810620f 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -125,7 +125,7 @@ static char stat_gstrings[][ETH_GSTRING_LEN] = { static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf) { struct gfar_private *priv = netdev_priv(dev); - + if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_RMON) memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN); else diff --git a/drivers/net/gianfar_mii.c b/drivers/net/gianfar_mii.c index 04a462c2a5b..74e52fcbf80 100644 --- a/drivers/net/gianfar_mii.c +++ b/drivers/net/gianfar_mii.c @@ -128,6 +128,7 @@ int gfar_mdio_probe(struct device *dev) struct gianfar_mdio_data *pdata; struct gfar_mii *regs; struct mii_bus *new_bus; + struct resource *r; int err = 0; if (NULL == dev) @@ -151,8 +152,10 @@ int gfar_mdio_probe(struct device *dev) return -ENODEV; } + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + /* Set the PHY base address */ - regs = (struct gfar_mii *) ioremap(pdata->paddr, + regs = (struct gfar_mii *) ioremap(r->start, sizeof (struct gfar_mii)); if (NULL == regs) { diff --git a/drivers/net/gianfar_mii.h b/drivers/net/gianfar_mii.h index e85eb216fb5..d527cf2f9c1 100644 --- a/drivers/net/gianfar_mii.h +++ b/drivers/net/gianfar_mii.h @@ -24,6 +24,7 @@ #define MII_READ_COMMAND 0x00000001 #define GFAR_SUPPORTED (SUPPORTED_10baseT_Half \ + | SUPPORTED_10baseT_Full \ | SUPPORTED_100baseT_Half \ | SUPPORTED_100baseT_Full \ | SUPPORTED_Autoneg \ diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c new file mode 100644 index 00000000000..51ef181b136 --- /dev/null +++ b/drivers/net/gianfar_sysfs.c @@ -0,0 +1,311 @@ +/* + * drivers/net/gianfar_sysfs.c + * + * Gianfar Ethernet Driver + * This driver is designed for the non-CPM ethernet controllers + * on the 85xx and 83xx family of integrated processors + * Based on 8260_io/fcc_enet.c + * + * Author: Andy Fleming + * Maintainer: Kumar Gala (galak@kernel.crashing.org) + * + * Copyright (c) 2002-2005 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * Sysfs file creation and management + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/errno.h> +#include <linux/unistd.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/etherdevice.h> +#include <linux/spinlock.h> +#include <linux/mm.h> +#include <linux/device.h> + +#include <asm/uaccess.h> +#include <linux/module.h> +#include <linux/version.h> + +#include "gianfar.h" + +#define GFAR_ATTR(_name) \ +static ssize_t gfar_show_##_name(struct class_device *cdev, char *buf); \ +static ssize_t gfar_set_##_name(struct class_device *cdev, \ + const char *buf, size_t count); \ +static CLASS_DEVICE_ATTR(_name, 0644, gfar_show_##_name, gfar_set_##_name) + +#define GFAR_CREATE_FILE(_dev, _name) \ + class_device_create_file(&_dev->class_dev, &class_device_attr_##_name) + +GFAR_ATTR(bd_stash); +GFAR_ATTR(rx_stash_size); +GFAR_ATTR(rx_stash_index); +GFAR_ATTR(fifo_threshold); +GFAR_ATTR(fifo_starve); +GFAR_ATTR(fifo_starve_off); + +#define to_net_dev(cd) container_of(cd, struct net_device, class_dev) + +static ssize_t gfar_show_bd_stash(struct class_device *cdev, char *buf) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + + return sprintf(buf, "%s\n", priv->bd_stash_en? "on" : "off"); +} + +static ssize_t gfar_set_bd_stash(struct class_device *cdev, + const char *buf, size_t count) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + int new_setting = 0; + u32 temp; + unsigned long flags; + + /* Find out the new setting */ + if (!strncmp("on", buf, count-1) || !strncmp("1", buf, count-1)) + new_setting = 1; + else if (!strncmp("off", buf, count-1) || !strncmp("0", buf, count-1)) + new_setting = 0; + else + return count; + + spin_lock_irqsave(&priv->lock, flags); + + /* Set the new stashing value */ + priv->bd_stash_en = new_setting; + + temp = gfar_read(&priv->regs->attr); + + if (new_setting) + temp |= ATTR_BDSTASH; + else + temp &= ~(ATTR_BDSTASH); + + gfar_write(&priv->regs->attr, temp); + + spin_unlock_irqrestore(&priv->lock, flags); + + return count; +} + +static ssize_t gfar_show_rx_stash_size(struct class_device *cdev, char *buf) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + + return sprintf(buf, "%d\n", priv->rx_stash_size); +} + +static ssize_t gfar_set_rx_stash_size(struct class_device *cdev, + const char *buf, size_t count) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + unsigned int length = simple_strtoul(buf, NULL, 0); + u32 temp; + unsigned long flags; + + spin_lock_irqsave(&priv->lock, flags); + if (length > priv->rx_buffer_size) + return count; + + if (length == priv->rx_stash_size) + return count; + + priv->rx_stash_size = length; + + temp = gfar_read(&priv->regs->attreli); + temp &= ~ATTRELI_EL_MASK; + temp |= ATTRELI_EL(length); + gfar_write(&priv->regs->attreli, temp); + + /* Turn stashing on/off as appropriate */ + temp = gfar_read(&priv->regs->attr); + + if (length) + temp |= ATTR_BUFSTASH; + else + temp &= ~(ATTR_BUFSTASH); + + gfar_write(&priv->regs->attr, temp); + + spin_unlock_irqrestore(&priv->lock, flags); + + return count; +} + + +/* Stashing will only be enabled when rx_stash_size != 0 */ +static ssize_t gfar_show_rx_stash_index(struct class_device *cdev, char *buf) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + + return sprintf(buf, "%d\n", priv->rx_stash_index); +} + +static ssize_t gfar_set_rx_stash_index(struct class_device *cdev, + const char *buf, size_t count) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + unsigned short index = simple_strtoul(buf, NULL, 0); + u32 temp; + unsigned long flags; + + spin_lock_irqsave(&priv->lock, flags); + if (index > priv->rx_stash_size) + return count; + + if (index == priv->rx_stash_index) + return count; + + priv->rx_stash_index = index; + + temp = gfar_read(&priv->regs->attreli); + temp &= ~ATTRELI_EI_MASK; + temp |= ATTRELI_EI(index); + gfar_write(&priv->regs->attreli, flags); + + spin_unlock_irqrestore(&priv->lock, flags); + + return count; +} + +static ssize_t gfar_show_fifo_threshold(struct class_device *cdev, char *buf) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + + return sprintf(buf, "%d\n", priv->fifo_threshold); +} + +static ssize_t gfar_set_fifo_threshold(struct class_device *cdev, + const char *buf, size_t count) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + unsigned int length = simple_strtoul(buf, NULL, 0); + u32 temp; + unsigned long flags; + + if (length > GFAR_MAX_FIFO_THRESHOLD) + return count; + + spin_lock_irqsave(&priv->lock, flags); + + priv->fifo_threshold = length; + + temp = gfar_read(&priv->regs->fifo_tx_thr); + temp &= ~FIFO_TX_THR_MASK; + temp |= length; + gfar_write(&priv->regs->fifo_tx_thr, temp); + + spin_unlock_irqrestore(&priv->lock, flags); + + return count; +} + +static ssize_t gfar_show_fifo_starve(struct class_device *cdev, char *buf) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + + return sprintf(buf, "%d\n", priv->fifo_starve); +} + + +static ssize_t gfar_set_fifo_starve(struct class_device *cdev, + const char *buf, size_t count) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + unsigned int num = simple_strtoul(buf, NULL, 0); + u32 temp; + unsigned long flags; + + if (num > GFAR_MAX_FIFO_STARVE) + return count; + + spin_lock_irqsave(&priv->lock, flags); + + priv->fifo_starve = num; + + temp = gfar_read(&priv->regs->fifo_tx_starve); + temp &= ~FIFO_TX_STARVE_MASK; + temp |= num; + gfar_write(&priv->regs->fifo_tx_starve, temp); + + spin_unlock_irqrestore(&priv->lock, flags); + + return count; +} + +static ssize_t gfar_show_fifo_starve_off(struct class_device *cdev, char *buf) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + + return sprintf(buf, "%d\n", priv->fifo_starve_off); +} + +static ssize_t gfar_set_fifo_starve_off(struct class_device *cdev, + const char *buf, size_t count) +{ + struct net_device *dev = to_net_dev(cdev); + struct gfar_private *priv = netdev_priv(dev); + unsigned int num = simple_strtoul(buf, NULL, 0); + u32 temp; + unsigned long flags; + + if (num > GFAR_MAX_FIFO_STARVE_OFF) + return count; + + spin_lock_irqsave(&priv->lock, flags); + + priv->fifo_starve_off = num; + + temp = gfar_read(&priv->regs->fifo_tx_starve_shutoff); + temp &= ~FIFO_TX_STARVE_OFF_MASK; + temp |= num; + gfar_write(&priv->regs->fifo_tx_starve_shutoff, temp); + + spin_unlock_irqrestore(&priv->lock, flags); + + return count; +} + +void gfar_init_sysfs(struct net_device *dev) +{ + struct gfar_private *priv = netdev_priv(dev); + + /* Initialize the default values */ + priv->rx_stash_size = DEFAULT_STASH_LENGTH; + priv->rx_stash_index = DEFAULT_STASH_INDEX; + priv->fifo_threshold = DEFAULT_FIFO_TX_THR; + priv->fifo_starve = DEFAULT_FIFO_TX_STARVE; + priv->fifo_starve_off = DEFAULT_FIFO_TX_STARVE_OFF; + priv->bd_stash_en = DEFAULT_BD_STASH; + + /* Create our sysfs files */ + GFAR_CREATE_FILE(dev, bd_stash); + GFAR_CREATE_FILE(dev, rx_stash_size); + GFAR_CREATE_FILE(dev, rx_stash_index); + GFAR_CREATE_FILE(dev, fifo_threshold); + GFAR_CREATE_FILE(dev, fifo_starve); + GFAR_CREATE_FILE(dev, fifo_starve_off); + +} diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 90999867a32..102c1f0b90d 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -456,11 +456,6 @@ out: /* ----------------------------------------------------------------------- */ -static int sixpack_receive_room(struct tty_struct *tty) -{ - return 65536; /* We can handle an infinite amount of data. :-) */ -} - /* * Handle the 'receiver data ready' interrupt. * This function is called by the 'tty_io' module in the kernel when @@ -671,6 +666,7 @@ static int sixpack_open(struct tty_struct *tty) /* Done. We have linked the TTY line to a channel. */ tty->disc_data = sp; + tty->receive_room = 65536; /* Now we're ready to register. */ if (register_netdev(dev)) @@ -802,7 +798,6 @@ static struct tty_ldisc sp_ldisc = { .close = sixpack_close, .ioctl = sixpack_ioctl, .receive_buf = sixpack_receive_buf, - .receive_room = sixpack_receive_room, .write_wakeup = sixpack_write_wakeup, }; diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 3e9accf137e..dc5e9d59dee 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -515,6 +515,7 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len) count = kiss_esc(p, (unsigned char *)ax->xbuff, len); } } + spin_unlock_bh(&ax->buflock); set_bit(TTY_DO_WRITE_WAKEUP, &ax->tty->flags); actual = ax->tty->driver->write(ax->tty, ax->xbuff, count); @@ -752,6 +753,7 @@ static int mkiss_open(struct tty_struct *tty) ax->tty = tty; tty->disc_data = ax; + tty->receive_room = 65535; if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty); @@ -939,11 +941,6 @@ static void mkiss_receive_buf(struct tty_struct *tty, const unsigned char *cp, tty->driver->unthrottle(tty); } -static int mkiss_receive_room(struct tty_struct *tty) -{ - return 65536; /* We can handle an infinite amount of data. :-) */ -} - /* * Called by the driver when there's room for more data. If we have * more packets to send, we send them here. @@ -982,7 +979,6 @@ static struct tty_ldisc ax_ldisc = { .close = mkiss_close, .ioctl = mkiss_ioctl, .receive_buf = mkiss_receive_buf, - .receive_room = mkiss_receive_room, .write_wakeup = mkiss_write_wakeup }; diff --git a/drivers/net/hp-plus.c b/drivers/net/hp-plus.c index 0abf5dd08b4..74e167e7dea 100644 --- a/drivers/net/hp-plus.c +++ b/drivers/net/hp-plus.c @@ -138,12 +138,6 @@ static int __init do_hpp_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* NB: hpp_close() handles free_irq */ - release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init hp_plus_probe(int unit) { @@ -473,6 +467,12 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* NB: hpp_close() handles free_irq */ + release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); +} + void cleanup_module(void) { diff --git a/drivers/net/hp.c b/drivers/net/hp.c index 59cf841b14a..cf9fb3698a6 100644 --- a/drivers/net/hp.c +++ b/drivers/net/hp.c @@ -102,12 +102,6 @@ static int __init do_hp_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, dev); - release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init hp_probe(int unit) { @@ -444,6 +438,12 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + free_irq(dev->irq, dev); + release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); +} + void cleanup_module(void) { diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c index e92c17f6931..55c7ed60839 100644 --- a/drivers/net/hp100.c +++ b/drivers/net/hp100.c @@ -276,7 +276,7 @@ static void hp100_RegisterDump(struct net_device *dev); * Convert an address in a kernel buffer to a bus/phys/dma address. * This work *only* for memory fragments part of lp->page_vaddr, * because it was properly DMA allocated via pci_alloc_consistent(), - * so we just need to "retreive" the original mapping to bus/phys/dma + * so we just need to "retrieve" the original mapping to bus/phys/dma * address - Jean II */ static inline dma_addr_t virt_to_whatever(struct net_device *dev, u32 * ptr) { diff --git a/drivers/net/hplance.c b/drivers/net/hplance.c index 08703d6f934..d8410634bca 100644 --- a/drivers/net/hplance.c +++ b/drivers/net/hplance.c @@ -150,7 +150,7 @@ static void __init hplance_init(struct net_device *dev, struct dio_dev *d) lp->lance.name = (char*)d->name; /* discards const, shut up gcc */ lp->lance.base = va; lp->lance.init_block = (struct lance_init_block *)(va + HPLANCE_MEMOFF); /* CPU addr */ - lp->lance.lance_init_block = 0; /* LANCE addr of same RAM */ + lp->lance.lance_init_block = NULL; /* LANCE addr of same RAM */ lp->lance.busmaster_regval = LE_C3_BSWP; /* we're bigendian */ lp->lance.irq = d->ipl; lp->lance.writerap = hplance_writerap; diff --git a/drivers/net/ibm_emac/ibm_emac.h b/drivers/net/ibm_emac/ibm_emac.h index 644edbff4f9..c2dae6092c4 100644 --- a/drivers/net/ibm_emac/ibm_emac.h +++ b/drivers/net/ibm_emac/ibm_emac.h @@ -110,6 +110,7 @@ struct emac_regs { #define EMAC_MR1_TFS_2K 0x00080000 #define EMAC_MR1_TR0_MULT 0x00008000 #define EMAC_MR1_JPSM 0x00000000 +#define EMAC_MR1_MWSW_001 0x00000000 #define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR0_MULT) #else #define EMAC_MR1_RFS_4K 0x00180000 @@ -130,7 +131,7 @@ struct emac_regs { (freq) <= 83 ? EMAC_MR1_OBCI_83 : \ (freq) <= 100 ? EMAC_MR1_OBCI_100 : EMAC_MR1_OBCI_100P) #define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR | \ - EMAC_MR1_MWSW_001 | EMAC_MR1_OBCI(opb)) + EMAC_MR1_OBCI(opb)) #endif /* EMACx_TMR0 */ diff --git a/drivers/net/ibm_emac/ibm_emac_core.c b/drivers/net/ibm_emac/ibm_emac_core.c index eb7d6947871..591c5864ffb 100644 --- a/drivers/net/ibm_emac/ibm_emac_core.c +++ b/drivers/net/ibm_emac/ibm_emac_core.c @@ -65,7 +65,7 @@ */ #define DRV_NAME "emac" -#define DRV_VERSION "3.53" +#define DRV_VERSION "3.54" #define DRV_DESC "PPC 4xx OCP EMAC driver" MODULE_DESCRIPTION(DRV_DESC); @@ -158,6 +158,14 @@ static inline void emac_report_timeout_error(struct ocp_enet_private *dev, #define PHY_POLL_LINK_ON HZ #define PHY_POLL_LINK_OFF (HZ / 5) +/* Graceful stop timeouts in us. + * We should allow up to 1 frame time (full-duplex, ignoring collisions) + */ +#define STOP_TIMEOUT_10 1230 +#define STOP_TIMEOUT_100 124 +#define STOP_TIMEOUT_1000 13 +#define STOP_TIMEOUT_1000_JUMBO 73 + /* Please, keep in sync with struct ibm_emac_stats/ibm_emac_error_stats */ static const char emac_stats_keys[EMAC_ETHTOOL_STATS_COUNT][ETH_GSTRING_LEN] = { "rx_packets", "rx_bytes", "tx_packets", "tx_bytes", "rx_packets_csum", @@ -222,10 +230,12 @@ static void emac_tx_disable(struct ocp_enet_private *dev) r = in_be32(&p->mr0); if (r & EMAC_MR0_TXE) { - int n = 300; + int n = dev->stop_timeout; out_be32(&p->mr0, r & ~EMAC_MR0_TXE); - while (!(in_be32(&p->mr0) & EMAC_MR0_TXI) && n) + while (!(in_be32(&p->mr0) & EMAC_MR0_TXI) && n) { + udelay(1); --n; + } if (unlikely(!n)) emac_report_timeout_error(dev, "TX disable timeout"); } @@ -248,9 +258,11 @@ static void emac_rx_enable(struct ocp_enet_private *dev) if (!(r & EMAC_MR0_RXE)) { if (unlikely(!(r & EMAC_MR0_RXI))) { /* Wait if previous async disable is still in progress */ - int n = 100; - while (!(r = in_be32(&p->mr0) & EMAC_MR0_RXI) && n) + int n = dev->stop_timeout; + while (!(r = in_be32(&p->mr0) & EMAC_MR0_RXI) && n) { + udelay(1); --n; + } if (unlikely(!n)) emac_report_timeout_error(dev, "RX disable timeout"); @@ -273,10 +285,12 @@ static void emac_rx_disable(struct ocp_enet_private *dev) r = in_be32(&p->mr0); if (r & EMAC_MR0_RXE) { - int n = 300; + int n = dev->stop_timeout; out_be32(&p->mr0, r & ~EMAC_MR0_RXE); - while (!(in_be32(&p->mr0) & EMAC_MR0_RXI) && n) + while (!(in_be32(&p->mr0) & EMAC_MR0_RXI) && n) { + udelay(1); --n; + } if (unlikely(!n)) emac_report_timeout_error(dev, "RX disable timeout"); } @@ -394,7 +408,8 @@ static int emac_configure(struct ocp_enet_private *dev) /* Mode register */ r = EMAC_MR1_BASE(emac_opb_mhz()) | EMAC_MR1_VLE | EMAC_MR1_IST; if (dev->phy.duplex == DUPLEX_FULL) - r |= EMAC_MR1_FDE; + r |= EMAC_MR1_FDE | EMAC_MR1_MWSW_001; + dev->stop_timeout = STOP_TIMEOUT_10; switch (dev->phy.speed) { case SPEED_1000: if (emac_phy_gpcs(dev->phy.mode)) { @@ -409,12 +424,16 @@ static int emac_configure(struct ocp_enet_private *dev) r |= EMAC_MR1_MF_1000; r |= EMAC_MR1_RFS_16K; gige = 1; - - if (dev->ndev->mtu > ETH_DATA_LEN) + + if (dev->ndev->mtu > ETH_DATA_LEN) { r |= EMAC_MR1_JPSM; + dev->stop_timeout = STOP_TIMEOUT_1000_JUMBO; + } else + dev->stop_timeout = STOP_TIMEOUT_1000; break; case SPEED_100: r |= EMAC_MR1_MF_100; + dev->stop_timeout = STOP_TIMEOUT_100; /* Fall through */ default: r |= EMAC_MR1_RFS_4K; @@ -2048,6 +2067,7 @@ static int __init emac_probe(struct ocp_device *ocpdev) dev->phy.duplex = DUPLEX_FULL; dev->phy.autoneg = AUTONEG_DISABLE; dev->phy.pause = dev->phy.asym_pause = 0; + dev->stop_timeout = STOP_TIMEOUT_100; init_timer(&dev->link_timer); dev->link_timer.function = emac_link_timer; dev->link_timer.data = (unsigned long)dev; diff --git a/drivers/net/ibm_emac/ibm_emac_core.h b/drivers/net/ibm_emac/ibm_emac_core.h index e9b44d030ac..911abbaf471 100644 --- a/drivers/net/ibm_emac/ibm_emac_core.h +++ b/drivers/net/ibm_emac/ibm_emac_core.h @@ -189,6 +189,8 @@ struct ocp_enet_private { struct timer_list link_timer; int reset_failed; + int stop_timeout; /* in us */ + struct ibm_emac_error_stats estats; struct net_device_stats nstats; diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c new file mode 100644 index 00000000000..1b699259b4e --- /dev/null +++ b/drivers/net/ifb.c @@ -0,0 +1,294 @@ +/* drivers/net/ifb.c: + + The purpose of this driver is to provide a device that allows + for sharing of resources: + + 1) qdiscs/policies that are per device as opposed to system wide. + ifb allows for a device which can be redirected to thus providing + an impression of sharing. + + 2) Allows for queueing incoming traffic for shaping instead of + dropping. + + The original concept is based on what is known as the IMQ + driver initially written by Martin Devera, later rewritten + by Patrick McHardy and then maintained by Andre Correa. + + You need the tc action mirror or redirect to feed this device + packets. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version + 2 of the License, or (at your option) any later version. + + Authors: Jamal Hadi Salim (2005) + +*/ + + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <net/pkt_sched.h> + +#define TX_TIMEOUT (2*HZ) + +#define TX_Q_LIMIT 32 +struct ifb_private { + struct net_device_stats stats; + struct tasklet_struct ifb_tasklet; + int tasklet_pending; + /* mostly debug stats leave in for now */ + unsigned long st_task_enter; /* tasklet entered */ + unsigned long st_txq_refl_try; /* transmit queue refill attempt */ + unsigned long st_rxq_enter; /* receive queue entered */ + unsigned long st_rx2tx_tran; /* receive to trasmit transfers */ + unsigned long st_rxq_notenter; /*receiveQ not entered, resched */ + unsigned long st_rx_frm_egr; /* received from egress path */ + unsigned long st_rx_frm_ing; /* received from ingress path */ + unsigned long st_rxq_check; + unsigned long st_rxq_rsch; + struct sk_buff_head rq; + struct sk_buff_head tq; +}; + +static int numifbs = 1; + +static void ri_tasklet(unsigned long dev); +static int ifb_xmit(struct sk_buff *skb, struct net_device *dev); +static struct net_device_stats *ifb_get_stats(struct net_device *dev); +static int ifb_open(struct net_device *dev); +static int ifb_close(struct net_device *dev); + +static void ri_tasklet(unsigned long dev) +{ + + struct net_device *_dev = (struct net_device *)dev; + struct ifb_private *dp = netdev_priv(_dev); + struct net_device_stats *stats = &dp->stats; + struct sk_buff *skb; + + dp->st_task_enter++; + if ((skb = skb_peek(&dp->tq)) == NULL) { + dp->st_txq_refl_try++; + if (spin_trylock(&_dev->xmit_lock)) { + dp->st_rxq_enter++; + while ((skb = skb_dequeue(&dp->rq)) != NULL) { + skb_queue_tail(&dp->tq, skb); + dp->st_rx2tx_tran++; + } + spin_unlock(&_dev->xmit_lock); + } else { + /* reschedule */ + dp->st_rxq_notenter++; + goto resched; + } + } + + while ((skb = skb_dequeue(&dp->tq)) != NULL) { + u32 from = G_TC_FROM(skb->tc_verd); + + skb->tc_verd = 0; + skb->tc_verd = SET_TC_NCLS(skb->tc_verd); + stats->tx_packets++; + stats->tx_bytes +=skb->len; + if (from & AT_EGRESS) { + dp->st_rx_frm_egr++; + dev_queue_xmit(skb); + } else if (from & AT_INGRESS) { + + dp->st_rx_frm_ing++; + netif_rx(skb); + } else { + dev_kfree_skb(skb); + stats->tx_dropped++; + } + } + + if (spin_trylock(&_dev->xmit_lock)) { + dp->st_rxq_check++; + if ((skb = skb_peek(&dp->rq)) == NULL) { + dp->tasklet_pending = 0; + if (netif_queue_stopped(_dev)) + netif_wake_queue(_dev); + } else { + dp->st_rxq_rsch++; + spin_unlock(&_dev->xmit_lock); + goto resched; + } + spin_unlock(&_dev->xmit_lock); + } else { +resched: + dp->tasklet_pending = 1; + tasklet_schedule(&dp->ifb_tasklet); + } + +} + +static void __init ifb_setup(struct net_device *dev) +{ + /* Initialize the device structure. */ + dev->get_stats = ifb_get_stats; + dev->hard_start_xmit = ifb_xmit; + dev->open = &ifb_open; + dev->stop = &ifb_close; + + /* Fill in device structure with ethernet-generic values. */ + ether_setup(dev); + dev->tx_queue_len = TX_Q_LIMIT; + dev->change_mtu = NULL; + dev->flags |= IFF_NOARP; + dev->flags &= ~IFF_MULTICAST; + SET_MODULE_OWNER(dev); + random_ether_addr(dev->dev_addr); +} + +static int ifb_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct ifb_private *dp = netdev_priv(dev); + struct net_device_stats *stats = &dp->stats; + int ret = 0; + u32 from = G_TC_FROM(skb->tc_verd); + + stats->tx_packets++; + stats->tx_bytes+=skb->len; + + if (!from || !skb->input_dev) { +dropped: + dev_kfree_skb(skb); + stats->rx_dropped++; + return ret; + } else { + /* + * note we could be going + * ingress -> egress or + * egress -> ingress + */ + skb->dev = skb->input_dev; + skb->input_dev = dev; + if (from & AT_INGRESS) { + skb_pull(skb, skb->dev->hard_header_len); + } else { + if (!(from & AT_EGRESS)) { + goto dropped; + } + } + } + + if (skb_queue_len(&dp->rq) >= dev->tx_queue_len) { + netif_stop_queue(dev); + } + + dev->trans_start = jiffies; + skb_queue_tail(&dp->rq, skb); + if (!dp->tasklet_pending) { + dp->tasklet_pending = 1; + tasklet_schedule(&dp->ifb_tasklet); + } + + return ret; +} + +static struct net_device_stats *ifb_get_stats(struct net_device *dev) +{ + struct ifb_private *dp = netdev_priv(dev); + struct net_device_stats *stats = &dp->stats; + + pr_debug("tasklets stats %ld:%ld:%ld:%ld:%ld:%ld:%ld:%ld:%ld \n", + dp->st_task_enter, dp->st_txq_refl_try, dp->st_rxq_enter, + dp->st_rx2tx_tran dp->st_rxq_notenter, dp->st_rx_frm_egr, + dp->st_rx_frm_ing, dp->st_rxq_check, dp->st_rxq_rsch ); + + return stats; +} + +static struct net_device **ifbs; + +/* Number of ifb devices to be set up by this module. */ +module_param(numifbs, int, 0); +MODULE_PARM_DESC(numifbs, "Number of ifb devices"); + +static int ifb_close(struct net_device *dev) +{ + struct ifb_private *dp = netdev_priv(dev); + + tasklet_kill(&dp->ifb_tasklet); + netif_stop_queue(dev); + skb_queue_purge(&dp->rq); + skb_queue_purge(&dp->tq); + return 0; +} + +static int ifb_open(struct net_device *dev) +{ + struct ifb_private *dp = netdev_priv(dev); + + tasklet_init(&dp->ifb_tasklet, ri_tasklet, (unsigned long)dev); + skb_queue_head_init(&dp->rq); + skb_queue_head_init(&dp->tq); + netif_start_queue(dev); + + return 0; +} + +static int __init ifb_init_one(int index) +{ + struct net_device *dev_ifb; + int err; + + dev_ifb = alloc_netdev(sizeof(struct ifb_private), + "ifb%d", ifb_setup); + + if (!dev_ifb) + return -ENOMEM; + + if ((err = register_netdev(dev_ifb))) { + free_netdev(dev_ifb); + dev_ifb = NULL; + } else { + ifbs[index] = dev_ifb; + } + + return err; +} + +static void ifb_free_one(int index) +{ + unregister_netdev(ifbs[index]); + free_netdev(ifbs[index]); +} + +static int __init ifb_init_module(void) +{ + int i, err = 0; + ifbs = kmalloc(numifbs * sizeof(void *), GFP_KERNEL); + if (!ifbs) + return -ENOMEM; + for (i = 0; i < numifbs && !err; i++) + err = ifb_init_one(i); + if (err) { + while (--i >= 0) + ifb_free_one(i); + } + + return err; +} + +static void __exit ifb_cleanup_module(void) +{ + int i; + + for (i = 0; i < numifbs; i++) + ifb_free_one(i); + kfree(ifbs); +} + +module_init(ifb_init_module); +module_exit(ifb_cleanup_module); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jamal Hadi Salim"); diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig index d54156f11e6..7a081346f07 100644 --- a/drivers/net/irda/Kconfig +++ b/drivers/net/irda/Kconfig @@ -1,4 +1,3 @@ - menu "Infrared-port device drivers" depends on IRDA!=n @@ -156,7 +155,7 @@ comment "Old Serial dongle support" config DONGLE_OLD bool "Old Serial dongle support" - depends on (IRTTY_OLD || IRPORT_SIR) && BROKEN_ON_SMP + depends on IRPORT_SIR && BROKEN_ON_SMP help Say Y here if you have an infrared device that connects to your computer's serial port. These devices are called dongles. Then say Y diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile index e7a8b7f7f5d..72cbfdc9cfc 100644 --- a/drivers/net/irda/Makefile +++ b/drivers/net/irda/Makefile @@ -45,4 +45,4 @@ obj-$(CONFIG_ACT200L_DONGLE) += act200l-sir.o obj-$(CONFIG_MA600_DONGLE) += ma600-sir.o # The SIR helper module -sir-dev-objs := sir_core.o sir_dev.o sir_dongle.o sir_kthread.o +sir-dev-objs := sir_dev.o sir_dongle.o sir_kthread.o diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index c22c0517883..fa176ffb4ad 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -1539,7 +1539,6 @@ static void irda_usb_disconnect(struct usb_interface *intf) * USB device callbacks */ static struct usb_driver irda_driver = { - .owner = THIS_MODULE, .name = "irda-usb", .probe = irda_usb_probe, .disconnect = irda_usb_disconnect, diff --git a/drivers/net/irda/irport.c b/drivers/net/irda/irport.c index 3d016a498e1..6070195b87b 100644 --- a/drivers/net/irda/irport.c +++ b/drivers/net/irda/irport.c @@ -285,19 +285,6 @@ static void irport_start(struct irport_cb *self) } /* - * Function irport_probe (void) - * - * Start IO port - * - */ -int irport_probe(int iobase) -{ - IRDA_DEBUG(4, "%s(), iobase=%#x\n", __FUNCTION__, iobase); - - return 0; -} - -/* * Function irport_get_fcr (speed) * * Compute value of fcr @@ -382,7 +369,7 @@ static void irport_change_speed(void *priv, __u32 speed) * we cannot use schedule_timeout() when we are in interrupt context * */ -int __irport_change_speed(struct irda_task *task) +static int __irport_change_speed(struct irda_task *task) { struct irport_cb *self; __u32 speed = (__u32) task->param; diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c index b8d112348ba..101750bf210 100644 --- a/drivers/net/irda/irtty-sir.c +++ b/drivers/net/irda/irtty-sir.c @@ -289,22 +289,6 @@ static void irtty_receive_buf(struct tty_struct *tty, const unsigned char *cp, } /* - * Function irtty_receive_room (tty) - * - * Used by the TTY to find out how much data we can receive at a time - * -*/ -static int irtty_receive_room(struct tty_struct *tty) -{ - struct sirtty_cb *priv = tty->disc_data; - - IRDA_ASSERT(priv != NULL, return 0;); - IRDA_ASSERT(priv->magic == IRTTY_MAGIC, return 0;); - - return 65536; /* We can handle an infinite amount of data. :-) */ -} - -/* * Function irtty_write_wakeup (tty) * * Called by the driver when there's room for more data. If we have @@ -534,6 +518,7 @@ static int irtty_open(struct tty_struct *tty) dev->priv = priv; tty->disc_data = priv; + tty->receive_room = 65536; up(&irtty_sem); @@ -605,7 +590,6 @@ static struct tty_ldisc irda_ldisc = { .ioctl = irtty_ioctl, .poll = NULL, .receive_buf = irtty_receive_buf, - .receive_room = irtty_receive_room, .write_wakeup = irtty_write_wakeup, .owner = THIS_MODULE, }; diff --git a/drivers/net/irda/sir-dev.h b/drivers/net/irda/sir-dev.h index f0b8bc3637e..f69fb4cec76 100644 --- a/drivers/net/irda/sir-dev.h +++ b/drivers/net/irda/sir-dev.h @@ -133,8 +133,6 @@ extern int sirdev_put_dongle(struct sir_dev *self); extern void sirdev_enable_rx(struct sir_dev *dev); extern int sirdev_schedule_request(struct sir_dev *dev, int state, unsigned param); -extern int __init irda_thread_create(void); -extern void __exit irda_thread_join(void); /* inline helpers */ diff --git a/drivers/net/irda/sir_core.c b/drivers/net/irda/sir_core.c deleted file mode 100644 index a49f910c835..00000000000 --- a/drivers/net/irda/sir_core.c +++ /dev/null @@ -1,56 +0,0 @@ -/********************************************************************* - * - * sir_core.c: module core for irda-sir abstraction layer - * - * Copyright (c) 2002 Martin Diehl - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - ********************************************************************/ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <net/irda/irda.h> - -#include "sir-dev.h" - -/***************************************************************************/ - -MODULE_AUTHOR("Martin Diehl <info@mdiehl.de>"); -MODULE_DESCRIPTION("IrDA SIR core"); -MODULE_LICENSE("GPL"); - -/***************************************************************************/ - -EXPORT_SYMBOL(irda_register_dongle); -EXPORT_SYMBOL(irda_unregister_dongle); - -EXPORT_SYMBOL(sirdev_get_instance); -EXPORT_SYMBOL(sirdev_put_instance); - -EXPORT_SYMBOL(sirdev_set_dongle); -EXPORT_SYMBOL(sirdev_write_complete); -EXPORT_SYMBOL(sirdev_receive); - -EXPORT_SYMBOL(sirdev_raw_write); -EXPORT_SYMBOL(sirdev_raw_read); -EXPORT_SYMBOL(sirdev_set_dtr_rts); - -static int __init sir_core_init(void) -{ - return irda_thread_create(); -} - -static void __exit sir_core_exit(void) -{ - irda_thread_join(); -} - -module_init(sir_core_init); -module_exit(sir_core_exit); - diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c index df22b8b532e..ea7c9464d46 100644 --- a/drivers/net/irda/sir_dev.c +++ b/drivers/net/irda/sir_dev.c @@ -60,6 +60,7 @@ int sirdev_set_dongle(struct sir_dev *dev, IRDA_DONGLE type) up(&dev->fsm.sem); return err; } +EXPORT_SYMBOL(sirdev_set_dongle); /* used by dongle drivers for dongle programming */ @@ -94,6 +95,7 @@ int sirdev_raw_write(struct sir_dev *dev, const char *buf, int len) spin_unlock_irqrestore(&dev->tx_lock, flags); return ret; } +EXPORT_SYMBOL(sirdev_raw_write); /* seems some dongle drivers may need this */ @@ -116,6 +118,7 @@ int sirdev_raw_read(struct sir_dev *dev, char *buf, int len) return count; } +EXPORT_SYMBOL(sirdev_raw_read); int sirdev_set_dtr_rts(struct sir_dev *dev, int dtr, int rts) { @@ -124,7 +127,8 @@ int sirdev_set_dtr_rts(struct sir_dev *dev, int dtr, int rts) ret = dev->drv->set_dtr_rts(dev, dtr, rts); return ret; } - +EXPORT_SYMBOL(sirdev_set_dtr_rts); + /**********************************************************************/ /* called from client driver - likely with bh-context - to indicate @@ -227,6 +231,7 @@ void sirdev_write_complete(struct sir_dev *dev) done: spin_unlock_irqrestore(&dev->tx_lock, flags); } +EXPORT_SYMBOL(sirdev_write_complete); /* called from client driver - likely with bh-context - to give us * some more received bytes. We put them into the rx-buffer, @@ -279,6 +284,7 @@ int sirdev_receive(struct sir_dev *dev, const unsigned char *cp, size_t count) return 0; } +EXPORT_SYMBOL(sirdev_receive); /**********************************************************************/ @@ -641,6 +647,7 @@ out_freenetdev: out: return NULL; } +EXPORT_SYMBOL(sirdev_get_instance); int sirdev_put_instance(struct sir_dev *dev) { @@ -673,4 +680,5 @@ int sirdev_put_instance(struct sir_dev *dev) return 0; } +EXPORT_SYMBOL(sirdev_put_instance); diff --git a/drivers/net/irda/sir_dongle.c b/drivers/net/irda/sir_dongle.c index c5b76746e72..8d225921ae7 100644 --- a/drivers/net/irda/sir_dongle.c +++ b/drivers/net/irda/sir_dongle.c @@ -50,6 +50,7 @@ int irda_register_dongle(struct dongle_driver *new) up(&dongle_list_lock); return 0; } +EXPORT_SYMBOL(irda_register_dongle); int irda_unregister_dongle(struct dongle_driver *drv) { @@ -58,6 +59,7 @@ int irda_unregister_dongle(struct dongle_driver *drv) up(&dongle_list_lock); return 0; } +EXPORT_SYMBOL(irda_unregister_dongle); int sirdev_get_dongle(struct sir_dev *dev, IRDA_DONGLE type) { diff --git a/drivers/net/irda/sir_kthread.c b/drivers/net/irda/sir_kthread.c index c65054364bc..e3904d6bfec 100644 --- a/drivers/net/irda/sir_kthread.c +++ b/drivers/net/irda/sir_kthread.c @@ -466,7 +466,7 @@ int sirdev_schedule_request(struct sir_dev *dev, int initial_state, unsigned par return 0; } -int __init irda_thread_create(void) +static int __init irda_thread_create(void) { struct completion startup; int pid; @@ -488,7 +488,7 @@ int __init irda_thread_create(void) return 0; } -void __exit irda_thread_join(void) +static void __exit irda_thread_join(void) { if (irda_rq_queue.thread) { flush_irda_queue(); @@ -499,3 +499,10 @@ void __exit irda_thread_join(void) } } +module_init(irda_thread_create); +module_exit(irda_thread_join); + +MODULE_AUTHOR("Martin Diehl <info@mdiehl.de>"); +MODULE_DESCRIPTION("IrDA SIR core"); +MODULE_LICENSE("GPL"); + diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c index 3961a754e92..31867e4b891 100644 --- a/drivers/net/irda/stir4200.c +++ b/drivers/net/irda/stir4200.c @@ -1152,7 +1152,6 @@ static int stir_resume(struct usb_interface *intf) * USB device callbacks */ static struct usb_driver irda_driver = { - .owner = THIS_MODULE, .name = "stir4200", .probe = stir_probe, .disconnect = stir_disconnect, diff --git a/drivers/net/irda/vlsi_ir.h b/drivers/net/irda/vlsi_ir.h index 741aecc655d..a82a4ba8de4 100644 --- a/drivers/net/irda/vlsi_ir.h +++ b/drivers/net/irda/vlsi_ir.h @@ -577,8 +577,8 @@ struct ring_descr_hw { struct { u8 addr_res[3]; volatile u8 status; /* descriptor status */ - } rd_s __attribute__((packed)); - } rd_u __attribute((packed)); + } __attribute__((packed)) rd_s; + } __attribute((packed)) rd_u; } __attribute__ ((packed)); #define rd_addr rd_u.addr diff --git a/drivers/net/iseries_veth.c b/drivers/net/iseries_veth.c index 77eadf84cb2..f0f04be989d 100644 --- a/drivers/net/iseries_veth.c +++ b/drivers/net/iseries_veth.c @@ -590,9 +590,9 @@ static void veth_handle_event(struct HvLpEvent *event, struct pt_regs *regs) { struct veth_lpevent *veth_event = (struct veth_lpevent *)event; - if (event->xFlags.xFunction == HvLpEvent_Function_Ack) + if (hvlpevent_is_ack(event)) veth_handle_ack(veth_event); - else if (event->xFlags.xFunction == HvLpEvent_Function_Int) + else veth_handle_int(veth_event); } diff --git a/drivers/net/ixp2000/Kconfig b/drivers/net/ixp2000/Kconfig new file mode 100644 index 00000000000..2fec2415651 --- /dev/null +++ b/drivers/net/ixp2000/Kconfig @@ -0,0 +1,6 @@ +config ENP2611_MSF_NET + tristate "Radisys ENP2611 MSF network interface support" + depends on ARCH_ENP2611 + help + This is a driver for the MSF network interface unit in + the IXP2400 on the Radisys ENP2611 platform. diff --git a/drivers/net/ixp2000/Makefile b/drivers/net/ixp2000/Makefile new file mode 100644 index 00000000000..fd38351ceaa --- /dev/null +++ b/drivers/net/ixp2000/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_ENP2611_MSF_NET) += enp2611_mod.o + +enp2611_mod-objs := caleb.o enp2611.o ixp2400-msf.o ixpdev.o pm3386.o diff --git a/drivers/net/ixp2000/caleb.c b/drivers/net/ixp2000/caleb.c new file mode 100644 index 00000000000..3595e107df2 --- /dev/null +++ b/drivers/net/ixp2000/caleb.c @@ -0,0 +1,137 @@ +/* + * Helper functions for the SPI-3 bridge FPGA on the Radisys ENP2611 + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <asm/io.h> +#include "caleb.h" + +#define CALEB_IDLO 0x00 +#define CALEB_IDHI 0x01 +#define CALEB_RID 0x02 +#define CALEB_RESET 0x03 +#define CALEB_INTREN0 0x04 +#define CALEB_INTREN1 0x05 +#define CALEB_INTRSTAT0 0x06 +#define CALEB_INTRSTAT1 0x07 +#define CALEB_PORTEN 0x08 +#define CALEB_BURST 0x09 +#define CALEB_PORTPAUS 0x0A +#define CALEB_PORTPAUSD 0x0B +#define CALEB_PHY0RX 0x10 +#define CALEB_PHY1RX 0x11 +#define CALEB_PHY0TX 0x12 +#define CALEB_PHY1TX 0x13 +#define CALEB_IXPRX_HI_CNTR 0x15 +#define CALEB_PHY0RX_HI_CNTR 0x16 +#define CALEB_PHY1RX_HI_CNTR 0x17 +#define CALEB_IXPRX_CNTR 0x18 +#define CALEB_PHY0RX_CNTR 0x19 +#define CALEB_PHY1RX_CNTR 0x1A +#define CALEB_IXPTX_CNTR 0x1B +#define CALEB_PHY0TX_CNTR 0x1C +#define CALEB_PHY1TX_CNTR 0x1D +#define CALEB_DEBUG0 0x1E +#define CALEB_DEBUG1 0x1F + + +static u8 caleb_reg_read(int reg) +{ + u8 value; + + value = *((volatile u8 *)(ENP2611_CALEB_VIRT_BASE + reg)); + +// printk(KERN_INFO "caleb_reg_read(%d) = %.2x\n", reg, value); + + return value; +} + +static void caleb_reg_write(int reg, u8 value) +{ + u8 dummy; + +// printk(KERN_INFO "caleb_reg_write(%d, %.2x)\n", reg, value); + + *((volatile u8 *)(ENP2611_CALEB_VIRT_BASE + reg)) = value; + + dummy = *((volatile u8 *)ENP2611_CALEB_VIRT_BASE); + __asm__ __volatile__("mov %0, %0" : "+r" (dummy)); +} + + +void caleb_reset(void) +{ + /* + * Perform a chip reset. + */ + caleb_reg_write(CALEB_RESET, 0x02); + udelay(1); + + /* + * Enable all interrupt sources. This is needed to get + * meaningful results out of the status bits (register 6 + * and 7.) + */ + caleb_reg_write(CALEB_INTREN0, 0xff); + caleb_reg_write(CALEB_INTREN1, 0x07); + + /* + * Set RX and TX FIFO thresholds to 1.5kb. + */ + caleb_reg_write(CALEB_PHY0RX, 0x11); + caleb_reg_write(CALEB_PHY1RX, 0x11); + caleb_reg_write(CALEB_PHY0TX, 0x11); + caleb_reg_write(CALEB_PHY1TX, 0x11); + + /* + * Program SPI-3 burst size. + */ + caleb_reg_write(CALEB_BURST, 0); // 64-byte RBUF mpackets +// caleb_reg_write(CALEB_BURST, 1); // 128-byte RBUF mpackets +// caleb_reg_write(CALEB_BURST, 2); // 256-byte RBUF mpackets +} + +void caleb_enable_rx(int port) +{ + u8 temp; + + temp = caleb_reg_read(CALEB_PORTEN); + temp |= 1 << port; + caleb_reg_write(CALEB_PORTEN, temp); +} + +void caleb_disable_rx(int port) +{ + u8 temp; + + temp = caleb_reg_read(CALEB_PORTEN); + temp &= ~(1 << port); + caleb_reg_write(CALEB_PORTEN, temp); +} + +void caleb_enable_tx(int port) +{ + u8 temp; + + temp = caleb_reg_read(CALEB_PORTEN); + temp |= 1 << (port + 4); + caleb_reg_write(CALEB_PORTEN, temp); +} + +void caleb_disable_tx(int port) +{ + u8 temp; + + temp = caleb_reg_read(CALEB_PORTEN); + temp &= ~(1 << (port + 4)); + caleb_reg_write(CALEB_PORTEN, temp); +} diff --git a/drivers/net/ixp2000/caleb.h b/drivers/net/ixp2000/caleb.h new file mode 100644 index 00000000000..e93a1ef5b8a --- /dev/null +++ b/drivers/net/ixp2000/caleb.h @@ -0,0 +1,22 @@ +/* + * Helper functions for the SPI-3 bridge FPGA on the Radisys ENP2611 + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __CALEB_H +#define __CALEB_H + +void caleb_reset(void); +void caleb_enable_rx(int port); +void caleb_disable_rx(int port); +void caleb_enable_tx(int port); +void caleb_disable_tx(int port); + + +#endif diff --git a/drivers/net/ixp2000/enp2611.c b/drivers/net/ixp2000/enp2611.c new file mode 100644 index 00000000000..d82651a97ba --- /dev/null +++ b/drivers/net/ixp2000/enp2611.c @@ -0,0 +1,245 @@ +/* + * IXP2400 MSF network device driver for the Radisys ENP2611 + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <asm/arch/uengine.h> +#include <asm/mach-types.h> +#include <asm/io.h> +#include "ixpdev.h" +#include "caleb.h" +#include "ixp2400-msf.h" +#include "pm3386.h" + +/*********************************************************************** + * The Radisys ENP2611 is a PCI form factor board with three SFP GBIC + * slots, connected via two PMC/Sierra 3386s and an SPI-3 bridge FPGA + * to the IXP2400. + * + * +-------------+ + * SFP GBIC #0 ---+ | +---------+ + * | PM3386 #0 +-------+ | + * SFP GBIC #1 ---+ | | "Caleb" | +---------+ + * +-------------+ | | | | + * | SPI-3 +---------+ IXP2400 | + * +-------------+ | bridge | | | + * SFP GBIC #2 ---+ | | FPGA | +---------+ + * | PM3386 #1 +-------+ | + * | | +---------+ + * +-------------+ + * ^ ^ ^ + * | 1.25Gbaud | 104MHz | 104MHz + * | SERDES ea. | SPI-3 ea. | SPI-3 + * + ***********************************************************************/ +static struct ixp2400_msf_parameters enp2611_msf_parameters = +{ + .rx_mode = IXP2400_RX_MODE_UTOPIA_POS | + IXP2400_RX_MODE_1x32 | + IXP2400_RX_MODE_MPHY | + IXP2400_RX_MODE_MPHY_32 | + IXP2400_RX_MODE_MPHY_POLLED_STATUS | + IXP2400_RX_MODE_MPHY_LEVEL3 | + IXP2400_RX_MODE_RBUF_SIZE_64, + + .rxclk01_multiplier = IXP2400_PLL_MULTIPLIER_16, + + .rx_poll_ports = 3, + + .rx_channel_mode = { + IXP2400_PORT_RX_MODE_MASTER | + IXP2400_PORT_RX_MODE_POS_PHY | + IXP2400_PORT_RX_MODE_POS_PHY_L3 | + IXP2400_PORT_RX_MODE_ODD_PARITY | + IXP2400_PORT_RX_MODE_2_CYCLE_DECODE, + + IXP2400_PORT_RX_MODE_MASTER | + IXP2400_PORT_RX_MODE_POS_PHY | + IXP2400_PORT_RX_MODE_POS_PHY_L3 | + IXP2400_PORT_RX_MODE_ODD_PARITY | + IXP2400_PORT_RX_MODE_2_CYCLE_DECODE, + + IXP2400_PORT_RX_MODE_MASTER | + IXP2400_PORT_RX_MODE_POS_PHY | + IXP2400_PORT_RX_MODE_POS_PHY_L3 | + IXP2400_PORT_RX_MODE_ODD_PARITY | + IXP2400_PORT_RX_MODE_2_CYCLE_DECODE, + + IXP2400_PORT_RX_MODE_MASTER | + IXP2400_PORT_RX_MODE_POS_PHY | + IXP2400_PORT_RX_MODE_POS_PHY_L3 | + IXP2400_PORT_RX_MODE_ODD_PARITY | + IXP2400_PORT_RX_MODE_2_CYCLE_DECODE + }, + + .tx_mode = IXP2400_TX_MODE_UTOPIA_POS | + IXP2400_TX_MODE_1x32 | + IXP2400_TX_MODE_MPHY | + IXP2400_TX_MODE_MPHY_32 | + IXP2400_TX_MODE_MPHY_POLLED_STATUS | + IXP2400_TX_MODE_MPHY_LEVEL3 | + IXP2400_TX_MODE_TBUF_SIZE_64, + + .txclk01_multiplier = IXP2400_PLL_MULTIPLIER_16, + + .tx_poll_ports = 3, + + .tx_channel_mode = { + IXP2400_PORT_TX_MODE_MASTER | + IXP2400_PORT_TX_MODE_POS_PHY | + IXP2400_PORT_TX_MODE_ODD_PARITY | + IXP2400_PORT_TX_MODE_2_CYCLE_DECODE, + + IXP2400_PORT_TX_MODE_MASTER | + IXP2400_PORT_TX_MODE_POS_PHY | + IXP2400_PORT_TX_MODE_ODD_PARITY | + IXP2400_PORT_TX_MODE_2_CYCLE_DECODE, + + IXP2400_PORT_TX_MODE_MASTER | + IXP2400_PORT_TX_MODE_POS_PHY | + IXP2400_PORT_TX_MODE_ODD_PARITY | + IXP2400_PORT_TX_MODE_2_CYCLE_DECODE, + + IXP2400_PORT_TX_MODE_MASTER | + IXP2400_PORT_TX_MODE_POS_PHY | + IXP2400_PORT_TX_MODE_ODD_PARITY | + IXP2400_PORT_TX_MODE_2_CYCLE_DECODE + } +}; + +struct enp2611_ixpdev_priv +{ + struct ixpdev_priv ixpdev_priv; + struct net_device_stats stats; +}; + +static struct net_device *nds[3]; +static struct timer_list link_check_timer; + +static struct net_device_stats *enp2611_get_stats(struct net_device *dev) +{ + struct enp2611_ixpdev_priv *ip = netdev_priv(dev); + + pm3386_get_stats(ip->ixpdev_priv.channel, &(ip->stats)); + + return &(ip->stats); +} + +/* @@@ Poll the SFP moddef0 line too. */ +/* @@@ Try to use the pm3386 DOOL interrupt as well. */ +static void enp2611_check_link_status(unsigned long __dummy) +{ + int i; + + for (i = 0; i < 3; i++) { + struct net_device *dev; + int status; + + dev = nds[i]; + + status = pm3386_is_link_up(i); + if (status && !netif_carrier_ok(dev)) { + /* @@@ Should report autonegotiation status. */ + printk(KERN_INFO "%s: NIC Link is Up\n", dev->name); + + pm3386_enable_tx(i); + caleb_enable_tx(i); + netif_carrier_on(dev); + } else if (!status && netif_carrier_ok(dev)) { + printk(KERN_INFO "%s: NIC Link is Down\n", dev->name); + + netif_carrier_off(dev); + caleb_disable_tx(i); + pm3386_disable_tx(i); + } + } + + link_check_timer.expires = jiffies + HZ / 10; + add_timer(&link_check_timer); +} + +static void enp2611_set_port_admin_status(int port, int up) +{ + if (up) { + caleb_enable_rx(port); + + pm3386_set_carrier(port, 1); + pm3386_enable_rx(port); + } else { + caleb_disable_tx(port); + pm3386_disable_tx(port); + /* @@@ Flush out pending packets. */ + pm3386_set_carrier(port, 0); + + pm3386_disable_rx(port); + caleb_disable_rx(port); + } +} + +static int __init enp2611_init_module(void) +{ + int i; + + if (!machine_is_enp2611()) + return -ENODEV; + + caleb_reset(); + pm3386_reset(); + + for (i = 0; i < 3; i++) { + nds[i] = ixpdev_alloc(i, sizeof(struct enp2611_ixpdev_priv)); + if (nds[i] == NULL) { + while (--i >= 0) + free_netdev(nds[i]); + return -ENOMEM; + } + + SET_MODULE_OWNER(nds[i]); + nds[i]->get_stats = enp2611_get_stats; + pm3386_init_port(i); + pm3386_get_mac(i, nds[i]->dev_addr); + } + + ixp2400_msf_init(&enp2611_msf_parameters); + + if (ixpdev_init(3, nds, enp2611_set_port_admin_status)) { + for (i = 0; i < 3; i++) + free_netdev(nds[i]); + return -EINVAL; + } + + init_timer(&link_check_timer); + link_check_timer.function = enp2611_check_link_status; + link_check_timer.expires = jiffies; + add_timer(&link_check_timer); + + return 0; +} + +static void __exit enp2611_cleanup_module(void) +{ + int i; + + del_timer_sync(&link_check_timer); + + ixpdev_deinit(); + for (i = 0; i < 3; i++) + free_netdev(nds[i]); +} + +module_init(enp2611_init_module); +module_exit(enp2611_cleanup_module); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ixp2000/ixp2400-msf.c b/drivers/net/ixp2000/ixp2400-msf.c new file mode 100644 index 00000000000..48a3a891d3a --- /dev/null +++ b/drivers/net/ixp2000/ixp2400-msf.c @@ -0,0 +1,213 @@ +/* + * Generic library functions for the MSF (Media and Switch Fabric) unit + * found on the Intel IXP2400 network processor. + * + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of the + * License, or (at your option) any later version. + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <asm/hardware.h> +#include <asm/arch/ixp2000-regs.h> +#include <asm/delay.h> +#include <asm/io.h> +#include "ixp2400-msf.h" + +/* + * This is the Intel recommended PLL init procedure as described on + * page 340 of the IXP2400/IXP2800 Programmer's Reference Manual. + */ +static void ixp2400_pll_init(struct ixp2400_msf_parameters *mp) +{ + int rx_dual_clock; + int tx_dual_clock; + u32 value; + + /* + * If the RX mode is not 1x32, we have to enable both RX PLLs + * (#0 and #1.) The same thing for the TX direction. + */ + rx_dual_clock = !!(mp->rx_mode & IXP2400_RX_MODE_WIDTH_MASK); + tx_dual_clock = !!(mp->tx_mode & IXP2400_TX_MODE_WIDTH_MASK); + + /* + * Read initial value. + */ + value = ixp2000_reg_read(IXP2000_MSF_CLK_CNTRL); + + /* + * Put PLLs in powerdown and bypass mode. + */ + value |= 0x0000f0f0; + ixp2000_reg_write(IXP2000_MSF_CLK_CNTRL, value); + + /* + * Set single or dual clock mode bits. + */ + value &= ~0x03000000; + value |= (rx_dual_clock << 24) | (tx_dual_clock << 25); + + /* + * Set multipliers. + */ + value &= ~0x00ff0000; + value |= mp->rxclk01_multiplier << 16; + value |= mp->rxclk23_multiplier << 18; + value |= mp->txclk01_multiplier << 20; + value |= mp->txclk23_multiplier << 22; + + /* + * And write value. + */ + ixp2000_reg_write(IXP2000_MSF_CLK_CNTRL, value); + + /* + * Disable PLL bypass mode. + */ + value &= ~(0x00005000 | rx_dual_clock << 13 | tx_dual_clock << 15); + ixp2000_reg_write(IXP2000_MSF_CLK_CNTRL, value); + + /* + * Turn on PLLs. + */ + value &= ~(0x00000050 | rx_dual_clock << 5 | tx_dual_clock << 7); + ixp2000_reg_write(IXP2000_MSF_CLK_CNTRL, value); + + /* + * Wait for PLLs to lock. There are lock status bits, but IXP2400 + * erratum #65 says that these lock bits should not be relied upon + * as they might not accurately reflect the true state of the PLLs. + */ + udelay(100); +} + +/* + * Needed according to p480 of Programmer's Reference Manual. + */ +static void ixp2400_msf_free_rbuf_entries(struct ixp2400_msf_parameters *mp) +{ + int size_bits; + int i; + + /* + * Work around IXP2400 erratum #69 (silent RBUF-to-DRAM transfer + * corruption) in the Intel-recommended way: do not add the RBUF + * elements susceptible to corruption to the freelist. + */ + size_bits = mp->rx_mode & IXP2400_RX_MODE_RBUF_SIZE_MASK; + if (size_bits == IXP2400_RX_MODE_RBUF_SIZE_64) { + for (i = 1; i < 128; i++) { + if (i == 9 || i == 18 || i == 27) + continue; + ixp2000_reg_write(IXP2000_MSF_RBUF_ELEMENT_DONE, i); + } + } else if (size_bits == IXP2400_RX_MODE_RBUF_SIZE_128) { + for (i = 1; i < 64; i++) { + if (i == 4 || i == 9 || i == 13) + continue; + ixp2000_reg_write(IXP2000_MSF_RBUF_ELEMENT_DONE, i); + } + } else if (size_bits == IXP2400_RX_MODE_RBUF_SIZE_256) { + for (i = 1; i < 32; i++) { + if (i == 2 || i == 4 || i == 6) + continue; + ixp2000_reg_write(IXP2000_MSF_RBUF_ELEMENT_DONE, i); + } + } +} + +static u32 ixp2400_msf_valid_channels(u32 reg) +{ + u32 channels; + + channels = 0; + switch (reg & IXP2400_RX_MODE_WIDTH_MASK) { + case IXP2400_RX_MODE_1x32: + channels = 0x1; + if (reg & IXP2400_RX_MODE_MPHY && + !(reg & IXP2400_RX_MODE_MPHY_32)) + channels = 0xf; + break; + + case IXP2400_RX_MODE_2x16: + channels = 0x5; + break; + + case IXP2400_RX_MODE_4x8: + channels = 0xf; + break; + + case IXP2400_RX_MODE_1x16_2x8: + channels = 0xd; + break; + } + + return channels; +} + +static void ixp2400_msf_enable_rx(struct ixp2400_msf_parameters *mp) +{ + u32 value; + + value = ixp2000_reg_read(IXP2000_MSF_RX_CONTROL) & 0x0fffffff; + value |= ixp2400_msf_valid_channels(mp->rx_mode) << 28; + ixp2000_reg_write(IXP2000_MSF_RX_CONTROL, value); +} + +static void ixp2400_msf_enable_tx(struct ixp2400_msf_parameters *mp) +{ + u32 value; + + value = ixp2000_reg_read(IXP2000_MSF_TX_CONTROL) & 0x0fffffff; + value |= ixp2400_msf_valid_channels(mp->tx_mode) << 28; + ixp2000_reg_write(IXP2000_MSF_TX_CONTROL, value); +} + + +void ixp2400_msf_init(struct ixp2400_msf_parameters *mp) +{ + u32 value; + int i; + + /* + * Init the RX/TX PLLs based on the passed parameter block. + */ + ixp2400_pll_init(mp); + + /* + * Reset MSF. Bit 7 in IXP_RESET_0 resets the MSF. + */ + value = ixp2000_reg_read(IXP2000_RESET0); + ixp2000_reg_write(IXP2000_RESET0, value | 0x80); + ixp2000_reg_write(IXP2000_RESET0, value & ~0x80); + + /* + * Initialise the RX section. + */ + ixp2000_reg_write(IXP2000_MSF_RX_MPHY_POLL_LIMIT, mp->rx_poll_ports - 1); + ixp2000_reg_write(IXP2000_MSF_RX_CONTROL, mp->rx_mode); + for (i = 0; i < 4; i++) { + ixp2000_reg_write(IXP2000_MSF_RX_UP_CONTROL_0 + i, + mp->rx_channel_mode[i]); + } + ixp2400_msf_free_rbuf_entries(mp); + ixp2400_msf_enable_rx(mp); + + /* + * Initialise the TX section. + */ + ixp2000_reg_write(IXP2000_MSF_TX_MPHY_POLL_LIMIT, mp->tx_poll_ports - 1); + ixp2000_reg_write(IXP2000_MSF_TX_CONTROL, mp->tx_mode); + for (i = 0; i < 4; i++) { + ixp2000_reg_write(IXP2000_MSF_TX_UP_CONTROL_0 + i, + mp->tx_channel_mode[i]); + } + ixp2400_msf_enable_tx(mp); +} diff --git a/drivers/net/ixp2000/ixp2400-msf.h b/drivers/net/ixp2000/ixp2400-msf.h new file mode 100644 index 00000000000..3ac1af2771d --- /dev/null +++ b/drivers/net/ixp2000/ixp2400-msf.h @@ -0,0 +1,115 @@ +/* + * Generic library functions for the MSF (Media and Switch Fabric) unit + * found on the Intel IXP2400 network processor. + * + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of the + * License, or (at your option) any later version. + */ + +#ifndef __IXP2400_MSF_H +#define __IXP2400_MSF_H + +struct ixp2400_msf_parameters +{ + u32 rx_mode; + unsigned rxclk01_multiplier:2; + unsigned rxclk23_multiplier:2; + unsigned rx_poll_ports:6; + u32 rx_channel_mode[4]; + + u32 tx_mode; + unsigned txclk01_multiplier:2; + unsigned txclk23_multiplier:2; + unsigned tx_poll_ports:6; + u32 tx_channel_mode[4]; +}; + +void ixp2400_msf_init(struct ixp2400_msf_parameters *mp); + +#define IXP2400_PLL_MULTIPLIER_48 0x00 +#define IXP2400_PLL_MULTIPLIER_24 0x01 +#define IXP2400_PLL_MULTIPLIER_16 0x02 +#define IXP2400_PLL_MULTIPLIER_12 0x03 + +#define IXP2400_RX_MODE_CSIX 0x00400000 +#define IXP2400_RX_MODE_UTOPIA_POS 0x00000000 +#define IXP2400_RX_MODE_WIDTH_MASK 0x00300000 +#define IXP2400_RX_MODE_1x16_2x8 0x00300000 +#define IXP2400_RX_MODE_4x8 0x00200000 +#define IXP2400_RX_MODE_2x16 0x00100000 +#define IXP2400_RX_MODE_1x32 0x00000000 +#define IXP2400_RX_MODE_MPHY 0x00080000 +#define IXP2400_RX_MODE_SPHY 0x00000000 +#define IXP2400_RX_MODE_MPHY_32 0x00040000 +#define IXP2400_RX_MODE_MPHY_4 0x00000000 +#define IXP2400_RX_MODE_MPHY_POLLED_STATUS 0x00020000 +#define IXP2400_RX_MODE_MPHY_DIRECT_STATUS 0x00000000 +#define IXP2400_RX_MODE_CBUS_FULL_DUPLEX 0x00010000 +#define IXP2400_RX_MODE_CBUS_SIMPLEX 0x00000000 +#define IXP2400_RX_MODE_MPHY_LEVEL2 0x00004000 +#define IXP2400_RX_MODE_MPHY_LEVEL3 0x00000000 +#define IXP2400_RX_MODE_CBUS_8BIT 0x00002000 +#define IXP2400_RX_MODE_CBUS_4BIT 0x00000000 +#define IXP2400_RX_MODE_CSIX_SINGLE_FREELIST 0x00000200 +#define IXP2400_RX_MODE_CSIX_SPLIT_FREELISTS 0x00000000 +#define IXP2400_RX_MODE_RBUF_SIZE_MASK 0x0000000c +#define IXP2400_RX_MODE_RBUF_SIZE_256 0x00000008 +#define IXP2400_RX_MODE_RBUF_SIZE_128 0x00000004 +#define IXP2400_RX_MODE_RBUF_SIZE_64 0x00000000 + +#define IXP2400_PORT_RX_MODE_SLAVE 0x00000040 +#define IXP2400_PORT_RX_MODE_MASTER 0x00000000 +#define IXP2400_PORT_RX_MODE_POS_PHY_L3 0x00000020 +#define IXP2400_PORT_RX_MODE_POS_PHY_L2 0x00000000 +#define IXP2400_PORT_RX_MODE_POS_PHY 0x00000010 +#define IXP2400_PORT_RX_MODE_UTOPIA 0x00000000 +#define IXP2400_PORT_RX_MODE_EVEN_PARITY 0x0000000c +#define IXP2400_PORT_RX_MODE_ODD_PARITY 0x00000008 +#define IXP2400_PORT_RX_MODE_NO_PARITY 0x00000000 +#define IXP2400_PORT_RX_MODE_UTOPIA_BIG_CELLS 0x00000002 +#define IXP2400_PORT_RX_MODE_UTOPIA_NORMAL_CELLS 0x00000000 +#define IXP2400_PORT_RX_MODE_2_CYCLE_DECODE 0x00000001 +#define IXP2400_PORT_RX_MODE_1_CYCLE_DECODE 0x00000000 + +#define IXP2400_TX_MODE_CSIX 0x00400000 +#define IXP2400_TX_MODE_UTOPIA_POS 0x00000000 +#define IXP2400_TX_MODE_WIDTH_MASK 0x00300000 +#define IXP2400_TX_MODE_1x16_2x8 0x00300000 +#define IXP2400_TX_MODE_4x8 0x00200000 +#define IXP2400_TX_MODE_2x16 0x00100000 +#define IXP2400_TX_MODE_1x32 0x00000000 +#define IXP2400_TX_MODE_MPHY 0x00080000 +#define IXP2400_TX_MODE_SPHY 0x00000000 +#define IXP2400_TX_MODE_MPHY_32 0x00040000 +#define IXP2400_TX_MODE_MPHY_4 0x00000000 +#define IXP2400_TX_MODE_MPHY_POLLED_STATUS 0x00020000 +#define IXP2400_TX_MODE_MPHY_DIRECT_STATUS 0x00000000 +#define IXP2400_TX_MODE_CBUS_FULL_DUPLEX 0x00010000 +#define IXP2400_TX_MODE_CBUS_SIMPLEX 0x00000000 +#define IXP2400_TX_MODE_MPHY_LEVEL2 0x00004000 +#define IXP2400_TX_MODE_MPHY_LEVEL3 0x00000000 +#define IXP2400_TX_MODE_CBUS_8BIT 0x00002000 +#define IXP2400_TX_MODE_CBUS_4BIT 0x00000000 +#define IXP2400_TX_MODE_TBUF_SIZE_MASK 0x0000000c +#define IXP2400_TX_MODE_TBUF_SIZE_256 0x00000008 +#define IXP2400_TX_MODE_TBUF_SIZE_128 0x00000004 +#define IXP2400_TX_MODE_TBUF_SIZE_64 0x00000000 + +#define IXP2400_PORT_TX_MODE_SLAVE 0x00000040 +#define IXP2400_PORT_TX_MODE_MASTER 0x00000000 +#define IXP2400_PORT_TX_MODE_POS_PHY 0x00000010 +#define IXP2400_PORT_TX_MODE_UTOPIA 0x00000000 +#define IXP2400_PORT_TX_MODE_EVEN_PARITY 0x0000000c +#define IXP2400_PORT_TX_MODE_ODD_PARITY 0x00000008 +#define IXP2400_PORT_TX_MODE_NO_PARITY 0x00000000 +#define IXP2400_PORT_TX_MODE_UTOPIA_BIG_CELLS 0x00000002 +#define IXP2400_PORT_TX_MODE_2_CYCLE_DECODE 0x00000001 +#define IXP2400_PORT_TX_MODE_1_CYCLE_DECODE 0x00000000 + + +#endif diff --git a/drivers/net/ixp2000/ixp2400_rx.uc b/drivers/net/ixp2000/ixp2400_rx.uc new file mode 100644 index 00000000000..42a73e357af --- /dev/null +++ b/drivers/net/ixp2000/ixp2400_rx.uc @@ -0,0 +1,408 @@ +/* + * RX ucode for the Intel IXP2400 in POS-PHY mode. + * Copyright (C) 2004, 2005 Lennert Buytenhek + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Assumptions made in this code: + * - The IXP2400 MSF is configured for POS-PHY mode, in a mode where + * only one full element list is used. This includes, for example, + * 1x32 SPHY and 1x32 MPHY32, but not 4x8 SPHY or 1x32 MPHY4. (This + * is not an exhaustive list.) + * - The RBUF uses 64-byte mpackets. + * - RX descriptors reside in SRAM, and have the following format: + * struct rx_desc + * { + * // to uengine + * u32 buf_phys_addr; + * u32 buf_length; + * + * // from uengine + * u32 channel; + * u32 pkt_length; + * }; + * - Packet data resides in DRAM. + * - Packet buffer addresses are 8-byte aligned. + * - Scratch ring 0 is rx_pending. + * - Scratch ring 1 is rx_done, and has status condition 'full'. + * - The host triggers rx_done flush and rx_pending refill on seeing INTA. + * - This code is run on all eight threads of the microengine it runs on. + * + * Local memory is used for per-channel RX state. + */ + +#define RX_THREAD_FREELIST_0 0x0030 +#define RBUF_ELEMENT_DONE 0x0044 + +#define CHANNEL_FLAGS *l$index0[0] +#define CHANNEL_FLAG_RECEIVING 1 +#define PACKET_LENGTH *l$index0[1] +#define PACKET_CHECKSUM *l$index0[2] +#define BUFFER_HANDLE *l$index0[3] +#define BUFFER_START *l$index0[4] +#define BUFFER_LENGTH *l$index0[5] + +#define CHANNEL_STATE_SIZE 24 // in bytes +#define CHANNEL_STATE_SHIFT 5 // ceil(log2(state size)) + + + .sig volatile sig1 + .sig volatile sig2 + .sig volatile sig3 + + .sig mpacket_arrived + .reg add_to_rx_freelist + .reg read $rsw0, $rsw1 + .xfer_order $rsw0 $rsw1 + + .reg zero + + /* + * Initialise add_to_rx_freelist. + */ + .begin + .reg temp + .reg temp2 + + immed[add_to_rx_freelist, RX_THREAD_FREELIST_0] + immed_w1[add_to_rx_freelist, (&$rsw0 | (&mpacket_arrived << 12))] + + local_csr_rd[ACTIVE_CTX_STS] + immed[temp, 0] + alu[temp2, temp, and, 0x1f] + alu_shf[add_to_rx_freelist, add_to_rx_freelist, or, temp2, <<20] + alu[temp2, temp, and, 0x80] + alu_shf[add_to_rx_freelist, add_to_rx_freelist, or, temp2, <<18] + .end + + immed[zero, 0] + + /* + * Skip context 0 initialisation? + */ + .begin + br!=ctx[0, mpacket_receive_loop#] + .end + + /* + * Initialise local memory. + */ + .begin + .reg addr + .reg temp + + immed[temp, 0] + init_local_mem_loop#: + alu_shf[addr, --, b, temp, <<CHANNEL_STATE_SHIFT] + local_csr_wr[ACTIVE_LM_ADDR_0, addr] + nop + nop + nop + + immed[CHANNEL_FLAGS, 0] + + alu[temp, temp, +, 1] + alu[--, temp, and, 0x20] + beq[init_local_mem_loop#] + .end + + /* + * Initialise signal pipeline. + */ + .begin + local_csr_wr[SAME_ME_SIGNAL, (&sig1 << 3)] + .set_sig sig1 + + local_csr_wr[SAME_ME_SIGNAL, (&sig2 << 3)] + .set_sig sig2 + + local_csr_wr[SAME_ME_SIGNAL, (&sig3 << 3)] + .set_sig sig3 + .end + +mpacket_receive_loop#: + /* + * Synchronise and wait for mpacket. + */ + .begin + ctx_arb[sig1] + local_csr_wr[SAME_ME_SIGNAL, (0x80 | (&sig1 << 3))] + + msf[fast_wr, --, add_to_rx_freelist, 0] + .set_sig mpacket_arrived + ctx_arb[mpacket_arrived] + .set $rsw0 $rsw1 + .end + + /* + * We halt if we see {inbparerr,parerr,null,soperror}. + */ + .begin + alu_shf[--, 0x1b, and, $rsw0, >>8] + bne[abort_rswerr#] + .end + + /* + * Point local memory pointer to this channel's state area. + */ + .begin + .reg chanaddr + + alu[chanaddr, $rsw0, and, 0x1f] + alu_shf[chanaddr, --, b, chanaddr, <<CHANNEL_STATE_SHIFT] + local_csr_wr[ACTIVE_LM_ADDR_0, chanaddr] + nop + nop + nop + .end + + /* + * Check whether we received a SOP mpacket while we were already + * working on a packet, or a non-SOP mpacket while there was no + * packet pending. (SOP == RECEIVING -> abort) If everything's + * okay, update the RECEIVING flag to reflect our new state. + */ + .begin + .reg temp + .reg eop + + #if CHANNEL_FLAG_RECEIVING != 1 + #error CHANNEL_FLAG_RECEIVING is not 1 + #endif + + alu_shf[temp, 1, and, $rsw0, >>15] + alu[temp, temp, xor, CHANNEL_FLAGS] + alu[--, temp, and, CHANNEL_FLAG_RECEIVING] + beq[abort_proterr#] + + alu_shf[eop, 1, and, $rsw0, >>14] + alu[CHANNEL_FLAGS, temp, xor, eop] + .end + + /* + * Copy the mpacket into the right spot, and in case of EOP, + * write back the descriptor and pass the packet on. + */ + .begin + .reg buffer_offset + .reg _packet_length + .reg _packet_checksum + .reg _buffer_handle + .reg _buffer_start + .reg _buffer_length + + /* + * Determine buffer_offset, _packet_length and + * _packet_checksum. + */ + .begin + .reg temp + + alu[--, 1, and, $rsw0, >>15] + beq[not_sop#] + + immed[PACKET_LENGTH, 0] + immed[PACKET_CHECKSUM, 0] + + not_sop#: + alu[buffer_offset, --, b, PACKET_LENGTH] + alu_shf[temp, 0xff, and, $rsw0, >>16] + alu[_packet_length, buffer_offset, +, temp] + alu[PACKET_LENGTH, --, b, _packet_length] + + immed[temp, 0xffff] + alu[temp, $rsw1, and, temp] + alu[_packet_checksum, PACKET_CHECKSUM, +, temp] + alu[PACKET_CHECKSUM, --, b, _packet_checksum] + .end + + /* + * Allocate buffer in case of SOP. + */ + .begin + .reg temp + + alu[temp, 1, and, $rsw0, >>15] + beq[skip_buffer_alloc#] + + .begin + .sig zzz + .reg read $stemp $stemp2 + .xfer_order $stemp $stemp2 + + rx_nobufs#: + scratch[get, $stemp, zero, 0, 1], ctx_swap[zzz] + alu[_buffer_handle, --, b, $stemp] + beq[rx_nobufs#] + + sram[read, $stemp, _buffer_handle, 0, 2], + ctx_swap[zzz] + alu[_buffer_start, --, b, $stemp] + alu[_buffer_length, --, b, $stemp2] + .end + + skip_buffer_alloc#: + .end + + /* + * Resynchronise. + */ + .begin + ctx_arb[sig2] + local_csr_wr[SAME_ME_SIGNAL, (0x80 | (&sig2 << 3))] + .end + + /* + * Synchronise buffer state. + */ + .begin + .reg temp + + alu[temp, 1, and, $rsw0, >>15] + beq[copy_from_local_mem#] + + alu[BUFFER_HANDLE, --, b, _buffer_handle] + alu[BUFFER_START, --, b, _buffer_start] + alu[BUFFER_LENGTH, --, b, _buffer_length] + br[sync_state_done#] + + copy_from_local_mem#: + alu[_buffer_handle, --, b, BUFFER_HANDLE] + alu[_buffer_start, --, b, BUFFER_START] + alu[_buffer_length, --, b, BUFFER_LENGTH] + + sync_state_done#: + .end + +#if 0 + /* + * Debug buffer state management. + */ + .begin + .reg temp + + alu[temp, 1, and, $rsw0, >>14] + beq[no_poison#] + immed[BUFFER_HANDLE, 0xdead] + immed[BUFFER_START, 0xdead] + immed[BUFFER_LENGTH, 0xdead] + no_poison#: + + immed[temp, 0xdead] + alu[--, _buffer_handle, -, temp] + beq[state_corrupted#] + alu[--, _buffer_start, -, temp] + beq[state_corrupted#] + alu[--, _buffer_length, -, temp] + beq[state_corrupted#] + .end +#endif + + /* + * Check buffer length. + */ + .begin + alu[--, _buffer_length, -, _packet_length] + blo[buffer_overflow#] + .end + + /* + * Copy the mpacket and give back the RBUF element. + */ + .begin + .reg element + .reg xfer_size + .reg temp + .sig copy_sig + + alu_shf[element, 0x7f, and, $rsw0, >>24] + alu_shf[xfer_size, 0xff, and, $rsw0, >>16] + + alu[xfer_size, xfer_size, -, 1] + alu_shf[xfer_size, 0x10, or, xfer_size, >>3] + alu_shf[temp, 0x10, or, xfer_size, <<21] + alu_shf[temp, temp, or, element, <<11] + alu_shf[--, temp, or, 1, <<18] + + dram[rbuf_rd, --, _buffer_start, buffer_offset, max_8], + indirect_ref, sig_done[copy_sig] + ctx_arb[copy_sig] + + alu[temp, RBUF_ELEMENT_DONE, or, element, <<16] + msf[fast_wr, --, temp, 0] + .end + + /* + * If EOP, write back the packet descriptor. + */ + .begin + .reg write $stemp $stemp2 + .xfer_order $stemp $stemp2 + .sig zzz + + alu_shf[--, 1, and, $rsw0, >>14] + beq[no_writeback#] + + alu[$stemp, $rsw0, and, 0x1f] + alu[$stemp2, --, b, _packet_length] + sram[write, $stemp, _buffer_handle, 8, 2], ctx_swap[zzz] + + no_writeback#: + .end + + /* + * Resynchronise. + */ + .begin + ctx_arb[sig3] + local_csr_wr[SAME_ME_SIGNAL, (0x80 | (&sig3 << 3))] + .end + + /* + * If EOP, put the buffer back onto the scratch ring. + */ + .begin + .reg write $stemp + .sig zzz + + br_inp_state[SCR_Ring1_Status, rx_done_ring_overflow#] + + alu_shf[--, 1, and, $rsw0, >>14] + beq[mpacket_receive_loop#] + + alu[--, 1, and, $rsw0, >>10] + bne[rxerr#] + + alu[$stemp, --, b, _buffer_handle] + scratch[put, $stemp, zero, 4, 1], ctx_swap[zzz] + cap[fast_wr, 0, XSCALE_INT_A] + br[mpacket_receive_loop#] + + rxerr#: + alu[$stemp, --, b, _buffer_handle] + scratch[put, $stemp, zero, 0, 1], ctx_swap[zzz] + br[mpacket_receive_loop#] + .end + .end + + +abort_rswerr#: + halt + +abort_proterr#: + halt + +state_corrupted#: + halt + +buffer_overflow#: + halt + +rx_done_ring_overflow#: + halt + + diff --git a/drivers/net/ixp2000/ixp2400_rx.ucode b/drivers/net/ixp2000/ixp2400_rx.ucode new file mode 100644 index 00000000000..e8aee2f81aa --- /dev/null +++ b/drivers/net/ixp2000/ixp2400_rx.ucode @@ -0,0 +1,130 @@ +static struct ixp2000_uengine_code ixp2400_rx = +{ + .cpu_model_bitmask = 0x000003fe, + .cpu_min_revision = 0, + .cpu_max_revision = 255, + + .uengine_parameters = IXP2000_UENGINE_8_CONTEXTS | + IXP2000_UENGINE_PRN_UPDATE_EVERY | + IXP2000_UENGINE_NN_FROM_PREVIOUS | + IXP2000_UENGINE_ASSERT_EMPTY_AT_0 | + IXP2000_UENGINE_LM_ADDR1_PER_CONTEXT | + IXP2000_UENGINE_LM_ADDR0_PER_CONTEXT, + + .initial_reg_values = (struct ixp2000_reg_value []) { + { -1, -1 } + }, + + .num_insns = 109, + .insns = (u8 []) { + 0xf0, 0x00, 0x0c, 0xc0, 0x05, + 0xf4, 0x44, 0x0c, 0x00, 0x05, + 0xfc, 0x04, 0x4c, 0x00, 0x00, + 0xf0, 0x00, 0x00, 0x3b, 0x00, + 0xb4, 0x40, 0xf0, 0x3b, 0x1f, + 0x8a, 0xc0, 0x50, 0x3e, 0x05, + 0xb4, 0x40, 0xf0, 0x3b, 0x80, + 0x9a, 0xe0, 0x00, 0x3e, 0x05, + 0xf0, 0x00, 0x00, 0x07, 0x00, + 0xd8, 0x05, 0xc0, 0x00, 0x11, + 0xf0, 0x00, 0x00, 0x0f, 0x00, + 0x91, 0xb0, 0x20, 0x0e, 0x00, + 0xfc, 0x06, 0x60, 0x0b, 0x00, + 0xf0, 0x00, 0x0c, 0x03, 0x00, + 0xf0, 0x00, 0x0c, 0x03, 0x00, + 0xf0, 0x00, 0x0c, 0x03, 0x00, + 0xf0, 0x00, 0x0c, 0x02, 0x00, + 0xb0, 0xc0, 0x30, 0x0f, 0x01, + 0xa4, 0x70, 0x00, 0x0f, 0x20, + 0xd8, 0x02, 0xc0, 0x01, 0x00, + 0xfc, 0x10, 0xac, 0x23, 0x08, + 0xfc, 0x10, 0xac, 0x43, 0x10, + 0xfc, 0x10, 0xac, 0x63, 0x18, + 0xe0, 0x00, 0x00, 0x00, 0x02, + 0xfc, 0x10, 0xae, 0x23, 0x88, + 0x3d, 0x00, 0x04, 0x03, 0x20, + 0xe0, 0x00, 0x00, 0x00, 0x10, + 0x84, 0x82, 0x02, 0x01, 0x3b, + 0xd8, 0x1a, 0x00, 0x01, 0x01, + 0xb4, 0x00, 0x8c, 0x7d, 0x80, + 0x91, 0xb0, 0x80, 0x22, 0x00, + 0xfc, 0x06, 0x60, 0x23, 0x00, + 0xf0, 0x00, 0x0c, 0x03, 0x00, + 0xf0, 0x00, 0x0c, 0x03, 0x00, + 0xf0, 0x00, 0x0c, 0x03, 0x00, + 0x94, 0xf0, 0x92, 0x01, 0x21, + 0xac, 0x40, 0x60, 0x26, 0x00, + 0xa4, 0x30, 0x0c, 0x04, 0x06, + 0xd8, 0x1a, 0x40, 0x01, 0x00, + 0x94, 0xe0, 0xa2, 0x01, 0x21, + 0xac, 0x20, 0x00, 0x28, 0x06, + 0x84, 0xf2, 0x02, 0x01, 0x21, + 0xd8, 0x0b, 0x40, 0x01, 0x00, + 0xf0, 0x00, 0x0c, 0x02, 0x01, + 0xf0, 0x00, 0x0c, 0x02, 0x02, + 0xa0, 0x00, 0x08, 0x04, 0x00, + 0x95, 0x00, 0xc6, 0x01, 0xff, + 0xa0, 0x80, 0x10, 0x30, 0x00, + 0xa0, 0x60, 0x1c, 0x00, 0x01, + 0xf0, 0x0f, 0xf0, 0x33, 0xff, + 0xb4, 0x00, 0xc0, 0x31, 0x81, + 0xb0, 0x80, 0xb0, 0x32, 0x02, + 0xa0, 0x20, 0x20, 0x2c, 0x00, + 0x94, 0xf0, 0xd2, 0x01, 0x21, + 0xd8, 0x0f, 0x40, 0x01, 0x00, + 0x19, 0x40, 0x10, 0x04, 0x20, + 0xa0, 0x00, 0x26, 0x04, 0x00, + 0xd8, 0x0d, 0xc0, 0x01, 0x00, + 0x00, 0x42, 0x10, 0x80, 0x02, + 0xb0, 0x00, 0x46, 0x04, 0x00, + 0xb0, 0x00, 0x56, 0x08, 0x00, + 0xe0, 0x00, 0x00, 0x00, 0x04, + 0xfc, 0x10, 0xae, 0x43, 0x90, + 0x84, 0xf0, 0x32, 0x01, 0x21, + 0xd8, 0x11, 0x40, 0x01, 0x00, + 0xa0, 0x60, 0x3c, 0x00, 0x02, + 0xa0, 0x20, 0x40, 0x10, 0x00, + 0xa0, 0x20, 0x50, 0x14, 0x00, + 0xd8, 0x12, 0x00, 0x00, 0x18, + 0xa0, 0x00, 0x28, 0x0c, 0x00, + 0xb0, 0x00, 0x48, 0x10, 0x00, + 0xb0, 0x00, 0x58, 0x14, 0x00, + 0xaa, 0xf0, 0x00, 0x14, 0x01, + 0xd8, 0x1a, 0xc0, 0x01, 0x05, + 0x85, 0x80, 0x42, 0x01, 0xff, + 0x95, 0x00, 0x66, 0x01, 0xff, + 0xba, 0xc0, 0x60, 0x1b, 0x01, + 0x9a, 0x30, 0x60, 0x19, 0x30, + 0x9a, 0xb0, 0x70, 0x1a, 0x30, + 0x9b, 0x50, 0x78, 0x1e, 0x04, + 0x8a, 0xe2, 0x08, 0x1e, 0x21, + 0x6a, 0x4e, 0x00, 0x13, 0x00, + 0xe0, 0x00, 0x00, 0x00, 0x30, + 0x9b, 0x00, 0x7a, 0x92, 0x04, + 0x3d, 0x00, 0x04, 0x1f, 0x20, + 0x84, 0xe2, 0x02, 0x01, 0x21, + 0xd8, 0x16, 0x80, 0x01, 0x00, + 0xa4, 0x18, 0x0c, 0x7d, 0x80, + 0xa0, 0x58, 0x1c, 0x00, 0x01, + 0x01, 0x42, 0x00, 0xa0, 0x02, + 0xe0, 0x00, 0x00, 0x00, 0x08, + 0xfc, 0x10, 0xae, 0x63, 0x98, + 0xd8, 0x1b, 0x00, 0xc2, 0x14, + 0x84, 0xe2, 0x02, 0x01, 0x21, + 0xd8, 0x05, 0xc0, 0x01, 0x00, + 0x84, 0xa2, 0x02, 0x01, 0x21, + 0xd8, 0x19, 0x40, 0x01, 0x01, + 0xa0, 0x58, 0x0c, 0x00, 0x02, + 0x1a, 0x40, 0x00, 0x04, 0x24, + 0x33, 0x00, 0x01, 0x2f, 0x20, + 0xd8, 0x05, 0xc0, 0x00, 0x18, + 0xa0, 0x58, 0x0c, 0x00, 0x02, + 0x1a, 0x40, 0x00, 0x04, 0x20, + 0xd8, 0x05, 0xc0, 0x00, 0x18, + 0xe0, 0x00, 0x02, 0x00, 0x00, + 0xe0, 0x00, 0x02, 0x00, 0x00, + 0xe0, 0x00, 0x02, 0x00, 0x00, + 0xe0, 0x00, 0x02, 0x00, 0x00, + 0xe0, 0x00, 0x02, 0x00, 0x00, + } +}; diff --git a/drivers/net/ixp2000/ixp2400_tx.uc b/drivers/net/ixp2000/ixp2400_tx.uc new file mode 100644 index 00000000000..d090d1884fb --- /dev/null +++ b/drivers/net/ixp2000/ixp2400_tx.uc @@ -0,0 +1,272 @@ +/* + * TX ucode for the Intel IXP2400 in POS-PHY mode. + * Copyright (C) 2004, 2005 Lennert Buytenhek + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Assumptions made in this code: + * - The IXP2400 MSF is configured for POS-PHY mode, in a mode where + * only one TBUF partition is used. This includes, for example, + * 1x32 SPHY and 1x32 MPHY32, but not 4x8 SPHY or 1x32 MPHY4. (This + * is not an exhaustive list.) + * - The TBUF uses 64-byte mpackets. + * - TX descriptors reside in SRAM, and have the following format: + * struct tx_desc + * { + * // to uengine + * u32 buf_phys_addr; + * u32 pkt_length; + * u32 channel; + * }; + * - Packet data resides in DRAM. + * - Packet buffer addresses are 8-byte aligned. + * - Scratch ring 2 is tx_pending. + * - Scratch ring 3 is tx_done, and has status condition 'full'. + * - This code is run on all eight threads of the microengine it runs on. + */ + +#define TX_SEQUENCE_0 0x0060 +#define TBUF_CTRL 0x1800 + +#define PARTITION_SIZE 128 +#define PARTITION_THRESH 96 + + + .sig volatile sig1 + .sig volatile sig2 + .sig volatile sig3 + + .reg @old_tx_seq_0 + .reg @mpkts_in_flight + .reg @next_tbuf_mpacket + + .reg @buffer_handle + .reg @buffer_start + .reg @packet_length + .reg @channel + .reg @packet_offset + + .reg zero + + immed[zero, 0] + + /* + * Skip context 0 initialisation? + */ + .begin + br!=ctx[0, mpacket_tx_loop#] + .end + + /* + * Wait until all pending TBUF elements have been transmitted. + */ + .begin + .reg read $tx + .sig zzz + + loop_empty#: + msf[read, $tx, zero, TX_SEQUENCE_0, 1], ctx_swap[zzz] + alu_shf[--, --, b, $tx, >>31] + beq[loop_empty#] + + alu[@old_tx_seq_0, --, b, $tx] + .end + + immed[@mpkts_in_flight, 0] + alu[@next_tbuf_mpacket, @old_tx_seq_0, and, (PARTITION_SIZE - 1)] + + immed[@buffer_handle, 0] + + /* + * Initialise signal pipeline. + */ + .begin + local_csr_wr[SAME_ME_SIGNAL, (&sig1 << 3)] + .set_sig sig1 + + local_csr_wr[SAME_ME_SIGNAL, (&sig2 << 3)] + .set_sig sig2 + + local_csr_wr[SAME_ME_SIGNAL, (&sig3 << 3)] + .set_sig sig3 + .end + +mpacket_tx_loop#: + .begin + .reg tbuf_element_index + .reg buffer_handle + .reg sop_eop + .reg packet_data + .reg channel + .reg mpacket_size + + /* + * If there is no packet currently being transmitted, + * dequeue the next TX descriptor, and fetch the buffer + * address, packet length and destination channel number. + */ + .begin + .reg read $stemp $stemp2 $stemp3 + .xfer_order $stemp $stemp2 $stemp3 + .sig zzz + + ctx_arb[sig1] + + alu[--, --, b, @buffer_handle] + bne[already_got_packet#] + + tx_nobufs#: + scratch[get, $stemp, zero, 8, 1], ctx_swap[zzz] + alu[@buffer_handle, --, b, $stemp] + beq[tx_nobufs#] + + sram[read, $stemp, $stemp, 0, 3], ctx_swap[zzz] + alu[@buffer_start, --, b, $stemp] + alu[@packet_length, --, b, $stemp2] + beq[zero_byte_packet#] + alu[@channel, --, b, $stemp3] + immed[@packet_offset, 0] + + already_got_packet#: + local_csr_wr[SAME_ME_SIGNAL, (0x80 | (&sig1 << 3))] + .end + + /* + * Determine tbuf element index, SOP/EOP flags, mpacket + * offset and mpacket size and cache buffer_handle and + * channel number. + */ + .begin + alu[tbuf_element_index, --, b, @next_tbuf_mpacket] + alu[@next_tbuf_mpacket, @next_tbuf_mpacket, +, 1] + alu[@next_tbuf_mpacket, @next_tbuf_mpacket, and, + (PARTITION_SIZE - 1)] + + alu[buffer_handle, --, b, @buffer_handle] + immed[@buffer_handle, 0] + + immed[sop_eop, 1] + + alu[packet_data, --, b, @packet_offset] + bne[no_sop#] + alu[sop_eop, sop_eop, or, 2] + no_sop#: + alu[packet_data, packet_data, +, @buffer_start] + + alu[channel, --, b, @channel] + + alu[mpacket_size, @packet_length, -, @packet_offset] + alu[--, 64, -, mpacket_size] + bhs[eop#] + alu[@buffer_handle, --, b, buffer_handle] + immed[mpacket_size, 64] + alu[sop_eop, sop_eop, and, 2] + eop#: + + alu[@packet_offset, @packet_offset, +, mpacket_size] + .end + + /* + * Wait until there's enough space in the TBUF. + */ + .begin + .reg read $tx + .reg temp + .sig zzz + + ctx_arb[sig2] + + br[test_space#] + + loop_space#: + msf[read, $tx, zero, TX_SEQUENCE_0, 1], ctx_swap[zzz] + + alu[temp, $tx, -, @old_tx_seq_0] + alu[temp, temp, and, 0xff] + alu[@mpkts_in_flight, @mpkts_in_flight, -, temp] + + alu[@old_tx_seq_0, --, b, $tx] + + test_space#: + alu[--, PARTITION_THRESH, -, @mpkts_in_flight] + blo[loop_space#] + + alu[@mpkts_in_flight, @mpkts_in_flight, +, 1] + + local_csr_wr[SAME_ME_SIGNAL, (0x80 | (&sig2 << 3))] + .end + + /* + * Copy the packet data to the TBUF. + */ + .begin + .reg temp + .sig copy_sig + + alu[temp, mpacket_size, -, 1] + alu_shf[temp, 0x10, or, temp, >>3] + alu_shf[temp, 0x10, or, temp, <<21] + alu_shf[temp, temp, or, tbuf_element_index, <<11] + alu_shf[--, temp, or, 1, <<18] + + dram[tbuf_wr, --, packet_data, 0, max_8], + indirect_ref, sig_done[copy_sig] + ctx_arb[copy_sig] + .end + + /* + * Mark TBUF element as ready-to-be-transmitted. + */ + .begin + .reg write $tsw $tsw2 + .xfer_order $tsw $tsw2 + .reg temp + .sig zzz + + alu_shf[temp, channel, or, mpacket_size, <<24] + alu_shf[$tsw, temp, or, sop_eop, <<8] + immed[$tsw2, 0] + + immed[temp, TBUF_CTRL] + alu_shf[temp, temp, or, tbuf_element_index, <<3] + msf[write, $tsw, temp, 0, 2], ctx_swap[zzz] + .end + + /* + * Resynchronise. + */ + .begin + ctx_arb[sig3] + local_csr_wr[SAME_ME_SIGNAL, (0x80 | (&sig3 << 3))] + .end + + /* + * If this was an EOP mpacket, recycle the TX buffer + * and signal the host. + */ + .begin + .reg write $stemp + .sig zzz + + alu[--, sop_eop, and, 1] + beq[mpacket_tx_loop#] + + tx_done_ring_full#: + br_inp_state[SCR_Ring3_Status, tx_done_ring_full#] + + alu[$stemp, --, b, buffer_handle] + scratch[put, $stemp, zero, 12, 1], ctx_swap[zzz] + cap[fast_wr, 0, XSCALE_INT_A] + br[mpacket_tx_loop#] + .end + .end + + +zero_byte_packet#: + halt + + diff --git a/drivers/net/ixp2000/ixp2400_tx.ucode b/drivers/net/ixp2000/ixp2400_tx.ucode new file mode 100644 index 00000000000..a433e24b0a5 --- /dev/null +++ b/drivers/net/ixp2000/ixp2400_tx.ucode @@ -0,0 +1,98 @@ +static struct ixp2000_uengine_code ixp2400_tx = +{ + .cpu_model_bitmask = 0x000003fe, + .cpu_min_revision = 0, + .cpu_max_revision = 255, + + .uengine_parameters = IXP2000_UENGINE_8_CONTEXTS | + IXP2000_UENGINE_PRN_UPDATE_EVERY | + IXP2000_UENGINE_NN_FROM_PREVIOUS | + IXP2000_UENGINE_ASSERT_EMPTY_AT_0 | + IXP2000_UENGINE_LM_ADDR1_PER_CONTEXT | + IXP2000_UENGINE_LM_ADDR0_PER_CONTEXT, + + .initial_reg_values = (struct ixp2000_reg_value []) { + { -1, -1 } + }, + + .num_insns = 77, + .insns = (u8 []) { + 0xf0, 0x00, 0x00, 0x07, 0x00, + 0xd8, 0x03, 0x00, 0x00, 0x11, + 0x3c, 0x40, 0x00, 0x04, 0xe0, + 0x81, 0xf2, 0x02, 0x01, 0x00, + 0xd8, 0x00, 0x80, 0x01, 0x00, + 0xb0, 0x08, 0x06, 0x00, 0x00, + 0xf0, 0x00, 0x0c, 0x00, 0x80, + 0xb4, 0x49, 0x02, 0x03, 0x7f, + 0xf0, 0x00, 0x02, 0x83, 0x00, + 0xfc, 0x10, 0xac, 0x23, 0x08, + 0xfc, 0x10, 0xac, 0x43, 0x10, + 0xfc, 0x10, 0xac, 0x63, 0x18, + 0xe0, 0x00, 0x00, 0x00, 0x02, + 0xa0, 0x30, 0x02, 0x80, 0x00, + 0xd8, 0x06, 0x00, 0x01, 0x01, + 0x19, 0x40, 0x00, 0x04, 0x28, + 0xb0, 0x0a, 0x06, 0x00, 0x00, + 0xd8, 0x03, 0xc0, 0x01, 0x00, + 0x00, 0x44, 0x00, 0x80, 0x80, + 0xa0, 0x09, 0x06, 0x00, 0x00, + 0xb0, 0x0b, 0x06, 0x04, 0x00, + 0xd8, 0x13, 0x00, 0x01, 0x00, + 0xb0, 0x0c, 0x06, 0x08, 0x00, + 0xf0, 0x00, 0x0c, 0x00, 0xa0, + 0xfc, 0x10, 0xae, 0x23, 0x88, + 0xa0, 0x00, 0x12, 0x40, 0x00, + 0xb0, 0xc9, 0x02, 0x43, 0x01, + 0xb4, 0x49, 0x02, 0x43, 0x7f, + 0xb0, 0x00, 0x22, 0x80, 0x00, + 0xf0, 0x00, 0x02, 0x83, 0x00, + 0xf0, 0x00, 0x0c, 0x04, 0x02, + 0xb0, 0x40, 0x6c, 0x00, 0xa0, + 0xd8, 0x08, 0x80, 0x01, 0x01, + 0xaa, 0x00, 0x2c, 0x08, 0x02, + 0xa0, 0xc0, 0x30, 0x18, 0x90, + 0xa0, 0x00, 0x43, 0x00, 0x00, + 0xba, 0xc0, 0x32, 0xc0, 0xa0, + 0xaa, 0xb0, 0x00, 0x0f, 0x40, + 0xd8, 0x0a, 0x80, 0x01, 0x04, + 0xb0, 0x0a, 0x00, 0x08, 0x00, + 0xf0, 0x00, 0x00, 0x0f, 0x40, + 0xa4, 0x00, 0x2c, 0x08, 0x02, + 0xa0, 0x8a, 0x00, 0x0c, 0xa0, + 0xe0, 0x00, 0x00, 0x00, 0x04, + 0xd8, 0x0c, 0x80, 0x00, 0x18, + 0x3c, 0x40, 0x00, 0x04, 0xe0, + 0xba, 0x80, 0x42, 0x01, 0x80, + 0xb4, 0x40, 0x40, 0x13, 0xff, + 0xaa, 0x88, 0x00, 0x10, 0x80, + 0xb0, 0x08, 0x06, 0x00, 0x00, + 0xaa, 0xf0, 0x0d, 0x80, 0x80, + 0xd8, 0x0b, 0x40, 0x01, 0x05, + 0xa0, 0x88, 0x0c, 0x04, 0x80, + 0xfc, 0x10, 0xae, 0x43, 0x90, + 0xba, 0xc0, 0x50, 0x0f, 0x01, + 0x9a, 0x30, 0x50, 0x15, 0x30, + 0x9a, 0xb0, 0x50, 0x16, 0x30, + 0x9b, 0x50, 0x58, 0x16, 0x01, + 0x8a, 0xe2, 0x08, 0x16, 0x21, + 0x6b, 0x4e, 0x00, 0x83, 0x03, + 0xe0, 0x00, 0x00, 0x00, 0x30, + 0x9a, 0x80, 0x70, 0x0e, 0x04, + 0x8b, 0x88, 0x08, 0x1e, 0x02, + 0xf0, 0x00, 0x0c, 0x01, 0x81, + 0xf0, 0x01, 0x80, 0x1f, 0x00, + 0x9b, 0xd0, 0x78, 0x1e, 0x01, + 0x3d, 0x42, 0x00, 0x1c, 0x20, + 0xe0, 0x00, 0x00, 0x00, 0x08, + 0xfc, 0x10, 0xae, 0x63, 0x98, + 0xa4, 0x30, 0x0c, 0x04, 0x02, + 0xd8, 0x03, 0x00, 0x01, 0x00, + 0xd8, 0x11, 0xc1, 0x42, 0x14, + 0xa0, 0x18, 0x00, 0x08, 0x00, + 0x1a, 0x40, 0x00, 0x04, 0x2c, + 0x33, 0x00, 0x01, 0x2f, 0x20, + 0xd8, 0x03, 0x00, 0x00, 0x18, + 0xe0, 0x00, 0x02, 0x00, 0x00, + } +}; diff --git a/drivers/net/ixp2000/ixpdev.c b/drivers/net/ixp2000/ixpdev.c new file mode 100644 index 00000000000..09f03f493be --- /dev/null +++ b/drivers/net/ixp2000/ixpdev.c @@ -0,0 +1,421 @@ +/* + * IXP2000 MSF network device driver + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <asm/arch/uengine.h> +#include <asm/mach-types.h> +#include <asm/io.h> +#include "ixp2400_rx.ucode" +#include "ixp2400_tx.ucode" +#include "ixpdev_priv.h" +#include "ixpdev.h" + +#define DRV_MODULE_VERSION "0.2" + +static int nds_count; +static struct net_device **nds; +static int nds_open; +static void (*set_port_admin_status)(int port, int up); + +static struct ixpdev_rx_desc * const rx_desc = + (struct ixpdev_rx_desc *)(IXP2000_SRAM0_VIRT_BASE + RX_BUF_DESC_BASE); +static struct ixpdev_tx_desc * const tx_desc = + (struct ixpdev_tx_desc *)(IXP2000_SRAM0_VIRT_BASE + TX_BUF_DESC_BASE); +static int tx_pointer; + + +static int ixpdev_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct ixpdev_priv *ip = netdev_priv(dev); + struct ixpdev_tx_desc *desc; + int entry; + + if (unlikely(skb->len > PAGE_SIZE)) { + /* @@@ Count drops. */ + dev_kfree_skb(skb); + return 0; + } + + entry = tx_pointer; + tx_pointer = (tx_pointer + 1) % TX_BUF_COUNT; + + desc = tx_desc + entry; + desc->pkt_length = skb->len; + desc->channel = ip->channel; + + skb_copy_and_csum_dev(skb, phys_to_virt(desc->buf_addr)); + dev_kfree_skb(skb); + + ixp2000_reg_write(RING_TX_PENDING, + TX_BUF_DESC_BASE + (entry * sizeof(struct ixpdev_tx_desc))); + + dev->trans_start = jiffies; + + local_irq_disable(); + ip->tx_queue_entries++; + if (ip->tx_queue_entries == TX_BUF_COUNT_PER_CHAN) + netif_stop_queue(dev); + local_irq_enable(); + + return 0; +} + + +static int ixpdev_rx(struct net_device *dev, int *budget) +{ + while (*budget > 0) { + struct ixpdev_rx_desc *desc; + struct sk_buff *skb; + void *buf; + u32 _desc; + + _desc = ixp2000_reg_read(RING_RX_DONE); + if (_desc == 0) + return 0; + + desc = rx_desc + + ((_desc - RX_BUF_DESC_BASE) / sizeof(struct ixpdev_rx_desc)); + buf = phys_to_virt(desc->buf_addr); + + if (desc->pkt_length < 4 || desc->pkt_length > PAGE_SIZE) { + printk(KERN_ERR "ixp2000: rx err, length %d\n", + desc->pkt_length); + goto err; + } + + if (desc->channel < 0 || desc->channel >= nds_count) { + printk(KERN_ERR "ixp2000: rx err, channel %d\n", + desc->channel); + goto err; + } + + /* @@@ Make FCS stripping configurable. */ + desc->pkt_length -= 4; + + if (unlikely(!netif_running(nds[desc->channel]))) + goto err; + + skb = dev_alloc_skb(desc->pkt_length + 2); + if (likely(skb != NULL)) { + skb->dev = nds[desc->channel]; + skb_reserve(skb, 2); + eth_copy_and_sum(skb, buf, desc->pkt_length, 0); + skb_put(skb, desc->pkt_length); + skb->protocol = eth_type_trans(skb, skb->dev); + + skb->dev->last_rx = jiffies; + + netif_receive_skb(skb); + } + +err: + ixp2000_reg_write(RING_RX_PENDING, _desc); + dev->quota--; + (*budget)--; + } + + return 1; +} + +/* dev always points to nds[0]. */ +static int ixpdev_poll(struct net_device *dev, int *budget) +{ + /* @@@ Have to stop polling when nds[0] is administratively + * downed while we are polling. */ + do { + ixp2000_reg_write(IXP2000_IRQ_THD_RAW_STATUS_A_0, 0x00ff); + + if (ixpdev_rx(dev, budget)) + return 1; + } while (ixp2000_reg_read(IXP2000_IRQ_THD_RAW_STATUS_A_0) & 0x00ff); + + netif_rx_complete(dev); + ixp2000_reg_write(IXP2000_IRQ_THD_ENABLE_SET_A_0, 0x00ff); + + return 0; +} + +static void ixpdev_tx_complete(void) +{ + int channel; + u32 wake; + + wake = 0; + while (1) { + struct ixpdev_priv *ip; + u32 desc; + int entry; + + desc = ixp2000_reg_read(RING_TX_DONE); + if (desc == 0) + break; + + /* @@@ Check whether entries come back in order. */ + entry = (desc - TX_BUF_DESC_BASE) / sizeof(struct ixpdev_tx_desc); + channel = tx_desc[entry].channel; + + if (channel < 0 || channel >= nds_count) { + printk(KERN_ERR "ixp2000: txcomp channel index " + "out of bounds (%d, %.8i, %d)\n", + channel, (unsigned int)desc, entry); + continue; + } + + ip = netdev_priv(nds[channel]); + if (ip->tx_queue_entries == TX_BUF_COUNT_PER_CHAN) + wake |= 1 << channel; + ip->tx_queue_entries--; + } + + for (channel = 0; wake != 0; channel++) { + if (wake & (1 << channel)) { + netif_wake_queue(nds[channel]); + wake &= ~(1 << channel); + } + } +} + +static irqreturn_t ixpdev_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + u32 status; + + status = ixp2000_reg_read(IXP2000_IRQ_THD_STATUS_A_0); + if (status == 0) + return IRQ_NONE; + + /* + * Any of the eight receive units signaled RX? + */ + if (status & 0x00ff) { + ixp2000_reg_wrb(IXP2000_IRQ_THD_ENABLE_CLEAR_A_0, 0x00ff); + if (likely(__netif_rx_schedule_prep(nds[0]))) { + __netif_rx_schedule(nds[0]); + } else { + printk(KERN_CRIT "ixp2000: irq while polling!!\n"); + } + } + + /* + * Any of the eight transmit units signaled TXdone? + */ + if (status & 0xff00) { + ixp2000_reg_wrb(IXP2000_IRQ_THD_RAW_STATUS_A_0, 0xff00); + ixpdev_tx_complete(); + } + + return IRQ_HANDLED; +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void ixpdev_poll_controller(struct net_device *dev) +{ + disable_irq(IRQ_IXP2000_THDA0); + ixpdev_interrupt(IRQ_IXP2000_THDA0, dev, NULL); + enable_irq(IRQ_IXP2000_THDA0); +} +#endif + +static int ixpdev_open(struct net_device *dev) +{ + struct ixpdev_priv *ip = netdev_priv(dev); + int err; + + if (!nds_open++) { + err = request_irq(IRQ_IXP2000_THDA0, ixpdev_interrupt, + SA_SHIRQ, "ixp2000_eth", nds); + if (err) { + nds_open--; + return err; + } + + ixp2000_reg_write(IXP2000_IRQ_THD_ENABLE_SET_A_0, 0xffff); + } + + set_port_admin_status(ip->channel, 1); + netif_start_queue(dev); + + return 0; +} + +static int ixpdev_close(struct net_device *dev) +{ + struct ixpdev_priv *ip = netdev_priv(dev); + + netif_stop_queue(dev); + set_port_admin_status(ip->channel, 0); + + if (!--nds_open) { + ixp2000_reg_write(IXP2000_IRQ_THD_ENABLE_CLEAR_A_0, 0xffff); + free_irq(IRQ_IXP2000_THDA0, nds); + } + + return 0; +} + +struct net_device *ixpdev_alloc(int channel, int sizeof_priv) +{ + struct net_device *dev; + struct ixpdev_priv *ip; + + dev = alloc_etherdev(sizeof_priv); + if (dev == NULL) + return NULL; + + dev->hard_start_xmit = ixpdev_xmit; + dev->poll = ixpdev_poll; + dev->open = ixpdev_open; + dev->stop = ixpdev_close; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = ixpdev_poll_controller; +#endif + + dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM; + dev->weight = 64; + + ip = netdev_priv(dev); + ip->channel = channel; + ip->tx_queue_entries = 0; + + return dev; +} + +int ixpdev_init(int __nds_count, struct net_device **__nds, + void (*__set_port_admin_status)(int port, int up)) +{ + int i; + int err; + + if (RX_BUF_COUNT > 192 || TX_BUF_COUNT > 192) { + static void __too_many_rx_or_tx_buffers(void); + __too_many_rx_or_tx_buffers(); + } + + printk(KERN_INFO "IXP2000 MSF ethernet driver %s\n", DRV_MODULE_VERSION); + + nds_count = __nds_count; + nds = __nds; + set_port_admin_status = __set_port_admin_status; + + for (i = 0; i < RX_BUF_COUNT; i++) { + void *buf; + + buf = (void *)get_zeroed_page(GFP_KERNEL); + if (buf == NULL) { + err = -ENOMEM; + while (--i >= 0) + free_page((unsigned long)phys_to_virt(rx_desc[i].buf_addr)); + goto err_out; + } + rx_desc[i].buf_addr = virt_to_phys(buf); + rx_desc[i].buf_length = PAGE_SIZE; + } + + /* @@@ Maybe we shouldn't be preallocating TX buffers. */ + for (i = 0; i < TX_BUF_COUNT; i++) { + void *buf; + + buf = (void *)get_zeroed_page(GFP_KERNEL); + if (buf == NULL) { + err = -ENOMEM; + while (--i >= 0) + free_page((unsigned long)phys_to_virt(tx_desc[i].buf_addr)); + goto err_free_rx; + } + tx_desc[i].buf_addr = virt_to_phys(buf); + } + + /* 256 entries, ring status set means 'empty', base address 0x0000. */ + ixp2000_reg_write(RING_RX_PENDING_BASE, 0x44000000); + ixp2000_reg_write(RING_RX_PENDING_HEAD, 0x00000000); + ixp2000_reg_write(RING_RX_PENDING_TAIL, 0x00000000); + + /* 256 entries, ring status set means 'full', base address 0x0400. */ + ixp2000_reg_write(RING_RX_DONE_BASE, 0x40000400); + ixp2000_reg_write(RING_RX_DONE_HEAD, 0x00000000); + ixp2000_reg_write(RING_RX_DONE_TAIL, 0x00000000); + + for (i = 0; i < RX_BUF_COUNT; i++) { + ixp2000_reg_write(RING_RX_PENDING, + RX_BUF_DESC_BASE + (i * sizeof(struct ixpdev_rx_desc))); + } + + ixp2000_uengine_load(0, &ixp2400_rx); + ixp2000_uengine_start_contexts(0, 0xff); + + /* 256 entries, ring status set means 'empty', base address 0x0800. */ + ixp2000_reg_write(RING_TX_PENDING_BASE, 0x44000800); + ixp2000_reg_write(RING_TX_PENDING_HEAD, 0x00000000); + ixp2000_reg_write(RING_TX_PENDING_TAIL, 0x00000000); + + /* 256 entries, ring status set means 'full', base address 0x0c00. */ + ixp2000_reg_write(RING_TX_DONE_BASE, 0x40000c00); + ixp2000_reg_write(RING_TX_DONE_HEAD, 0x00000000); + ixp2000_reg_write(RING_TX_DONE_TAIL, 0x00000000); + + ixp2000_uengine_load(1, &ixp2400_tx); + ixp2000_uengine_start_contexts(1, 0xff); + + for (i = 0; i < nds_count; i++) { + err = register_netdev(nds[i]); + if (err) { + while (--i >= 0) + unregister_netdev(nds[i]); + goto err_free_tx; + } + } + + for (i = 0; i < nds_count; i++) { + printk(KERN_INFO "%s: IXP2000 MSF ethernet (port %d), " + "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x.\n", nds[i]->name, i, + nds[i]->dev_addr[0], nds[i]->dev_addr[1], + nds[i]->dev_addr[2], nds[i]->dev_addr[3], + nds[i]->dev_addr[4], nds[i]->dev_addr[5]); + } + + return 0; + +err_free_tx: + for (i = 0; i < TX_BUF_COUNT; i++) + free_page((unsigned long)phys_to_virt(tx_desc[i].buf_addr)); + +err_free_rx: + for (i = 0; i < RX_BUF_COUNT; i++) + free_page((unsigned long)phys_to_virt(rx_desc[i].buf_addr)); + +err_out: + return err; +} + +void ixpdev_deinit(void) +{ + int i; + + /* @@@ Flush out pending packets. */ + + for (i = 0; i < nds_count; i++) + unregister_netdev(nds[i]); + + ixp2000_uengine_stop_contexts(1, 0xff); + ixp2000_uengine_stop_contexts(0, 0xff); + ixp2000_uengine_reset(0x3); + + for (i = 0; i < TX_BUF_COUNT; i++) + free_page((unsigned long)phys_to_virt(tx_desc[i].buf_addr)); + + for (i = 0; i < RX_BUF_COUNT; i++) + free_page((unsigned long)phys_to_virt(rx_desc[i].buf_addr)); +} diff --git a/drivers/net/ixp2000/ixpdev.h b/drivers/net/ixp2000/ixpdev.h new file mode 100644 index 00000000000..bd686cb6305 --- /dev/null +++ b/drivers/net/ixp2000/ixpdev.h @@ -0,0 +1,27 @@ +/* + * IXP2000 MSF network device driver + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __IXPDEV_H +#define __IXPDEV_H + +struct ixpdev_priv +{ + int channel; + int tx_queue_entries; +}; + +struct net_device *ixpdev_alloc(int channel, int sizeof_priv); +int ixpdev_init(int num_ports, struct net_device **nds, + void (*set_port_admin_status)(int port, int up)); +void ixpdev_deinit(void); + + +#endif diff --git a/drivers/net/ixp2000/ixpdev_priv.h b/drivers/net/ixp2000/ixpdev_priv.h new file mode 100644 index 00000000000..86aa08ea0c3 --- /dev/null +++ b/drivers/net/ixp2000/ixpdev_priv.h @@ -0,0 +1,57 @@ +/* + * IXP2000 MSF network device driver + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __IXPDEV_PRIV_H +#define __IXPDEV_PRIV_H + +#define RX_BUF_DESC_BASE 0x00001000 +#define RX_BUF_COUNT ((3 * PAGE_SIZE) / (4 * sizeof(struct ixpdev_rx_desc))) +#define TX_BUF_DESC_BASE 0x00002000 +#define TX_BUF_COUNT ((3 * PAGE_SIZE) / (4 * sizeof(struct ixpdev_tx_desc))) +#define TX_BUF_COUNT_PER_CHAN (TX_BUF_COUNT / 4) + +#define RING_RX_PENDING ((u32 *)IXP2000_SCRATCH_RING_VIRT_BASE) +#define RING_RX_DONE ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 4)) +#define RING_TX_PENDING ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 8)) +#define RING_TX_DONE ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 12)) + +#define SCRATCH_REG(x) ((u32 *)(IXP2000_GLOBAL_REG_VIRT_BASE | 0x0800 | (x))) +#define RING_RX_PENDING_BASE SCRATCH_REG(0x00) +#define RING_RX_PENDING_HEAD SCRATCH_REG(0x04) +#define RING_RX_PENDING_TAIL SCRATCH_REG(0x08) +#define RING_RX_DONE_BASE SCRATCH_REG(0x10) +#define RING_RX_DONE_HEAD SCRATCH_REG(0x14) +#define RING_RX_DONE_TAIL SCRATCH_REG(0x18) +#define RING_TX_PENDING_BASE SCRATCH_REG(0x20) +#define RING_TX_PENDING_HEAD SCRATCH_REG(0x24) +#define RING_TX_PENDING_TAIL SCRATCH_REG(0x28) +#define RING_TX_DONE_BASE SCRATCH_REG(0x30) +#define RING_TX_DONE_HEAD SCRATCH_REG(0x34) +#define RING_TX_DONE_TAIL SCRATCH_REG(0x38) + +struct ixpdev_rx_desc +{ + u32 buf_addr; + u32 buf_length; + u32 channel; + u32 pkt_length; +}; + +struct ixpdev_tx_desc +{ + u32 buf_addr; + u32 pkt_length; + u32 channel; + u32 unused; +}; + + +#endif diff --git a/drivers/net/ixp2000/pm3386.c b/drivers/net/ixp2000/pm3386.c new file mode 100644 index 00000000000..5c7ab756405 --- /dev/null +++ b/drivers/net/ixp2000/pm3386.c @@ -0,0 +1,334 @@ +/* + * Helper functions for the PM3386s on the Radisys ENP2611 + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <asm/io.h> +#include "pm3386.h" + +/* + * Read from register 'reg' of PM3386 device 'pm'. + */ +static u16 pm3386_reg_read(int pm, int reg) +{ + void *_reg; + u16 value; + + _reg = (void *)ENP2611_PM3386_0_VIRT_BASE; + if (pm == 1) + _reg = (void *)ENP2611_PM3386_1_VIRT_BASE; + + value = *((volatile u16 *)(_reg + (reg << 1))); + +// printk(KERN_INFO "pm3386_reg_read(%d, %.3x) = %.8x\n", pm, reg, value); + + return value; +} + +/* + * Write to register 'reg' of PM3386 device 'pm', and perform + * a readback from the identification register. + */ +static void pm3386_reg_write(int pm, int reg, u16 value) +{ + void *_reg; + u16 dummy; + +// printk(KERN_INFO "pm3386_reg_write(%d, %.3x, %.8x)\n", pm, reg, value); + + _reg = (void *)ENP2611_PM3386_0_VIRT_BASE; + if (pm == 1) + _reg = (void *)ENP2611_PM3386_1_VIRT_BASE; + + *((volatile u16 *)(_reg + (reg << 1))) = value; + + dummy = *((volatile u16 *)_reg); + __asm__ __volatile__("mov %0, %0" : "+r" (dummy)); +} + +/* + * Read from port 'port' register 'reg', where the registers + * for the different ports are 'spacing' registers apart. + */ +static u16 pm3386_port_reg_read(int port, int _reg, int spacing) +{ + int reg; + + reg = _reg; + if (port & 1) + reg += spacing; + + return pm3386_reg_read(port >> 1, reg); +} + +/* + * Write to port 'port' register 'reg', where the registers + * for the different ports are 'spacing' registers apart. + */ +static void pm3386_port_reg_write(int port, int _reg, int spacing, u16 value) +{ + int reg; + + reg = _reg; + if (port & 1) + reg += spacing; + + pm3386_reg_write(port >> 1, reg, value); +} + + +void pm3386_reset(void) +{ + u8 mac[3][6]; + + /* Save programmed MAC addresses. */ + pm3386_get_mac(0, mac[0]); + pm3386_get_mac(1, mac[1]); + pm3386_get_mac(2, mac[2]); + + /* Assert analog and digital reset. */ + pm3386_reg_write(0, 0x002, 0x0060); + pm3386_reg_write(1, 0x002, 0x0060); + mdelay(1); + + /* Deassert analog reset. */ + pm3386_reg_write(0, 0x002, 0x0062); + pm3386_reg_write(1, 0x002, 0x0062); + mdelay(10); + + /* Deassert digital reset. */ + pm3386_reg_write(0, 0x002, 0x0063); + pm3386_reg_write(1, 0x002, 0x0063); + mdelay(10); + + /* Restore programmed MAC addresses. */ + pm3386_set_mac(0, mac[0]); + pm3386_set_mac(1, mac[1]); + pm3386_set_mac(2, mac[2]); + + /* Disable carrier on all ports. */ + pm3386_set_carrier(0, 0); + pm3386_set_carrier(1, 0); + pm3386_set_carrier(2, 0); +} + +static u16 swaph(u16 x) +{ + return ((x << 8) | (x >> 8)) & 0xffff; +} + +void pm3386_init_port(int port) +{ + int pm = port >> 1; + + /* + * Work around ENP2611 bootloader programming MAC address + * in reverse. + */ + if (pm3386_port_reg_read(port, 0x30a, 0x100) == 0x0000 && + (pm3386_port_reg_read(port, 0x309, 0x100) & 0xff00) == 0x5000) { + u16 temp[3]; + + temp[0] = pm3386_port_reg_read(port, 0x308, 0x100); + temp[1] = pm3386_port_reg_read(port, 0x309, 0x100); + temp[2] = pm3386_port_reg_read(port, 0x30a, 0x100); + pm3386_port_reg_write(port, 0x308, 0x100, swaph(temp[2])); + pm3386_port_reg_write(port, 0x309, 0x100, swaph(temp[1])); + pm3386_port_reg_write(port, 0x30a, 0x100, swaph(temp[0])); + } + + /* + * Initialise narrowbanding mode. See application note 2010486 + * for more information. (@@@ We also need to issue a reset + * when ROOL or DOOL are detected.) + */ + pm3386_port_reg_write(port, 0x708, 0x10, 0xd055); + udelay(500); + pm3386_port_reg_write(port, 0x708, 0x10, 0x5055); + + /* + * SPI-3 ingress block. Set 64 bytes SPI-3 burst size + * towards SPI-3 bridge. + */ + pm3386_port_reg_write(port, 0x122, 0x20, 0x0002); + + /* + * Enable ingress protocol checking, and soft reset the + * SPI-3 ingress block. + */ + pm3386_reg_write(pm, 0x103, 0x0003); + while (!(pm3386_reg_read(pm, 0x103) & 0x80)) + ; + + /* + * SPI-3 egress block. Gather 12288 bytes of the current + * packet in the TX fifo before initiating transmit on the + * SERDES interface. (Prevents TX underflows.) + */ + pm3386_port_reg_write(port, 0x221, 0x20, 0x0007); + + /* + * Enforce odd parity from the SPI-3 bridge, and soft reset + * the SPI-3 egress block. + */ + pm3386_reg_write(pm, 0x203, 0x000d & ~(4 << (port & 1))); + while ((pm3386_reg_read(pm, 0x203) & 0x000c) != 0x000c) + ; + + /* + * EGMAC block. Set this channels to reject long preambles, + * not send or transmit PAUSE frames, enable preamble checking, + * disable frame length checking, enable FCS appending, enable + * TX frame padding. + */ + pm3386_port_reg_write(port, 0x302, 0x100, 0x0113); + + /* + * Soft reset the EGMAC block. + */ + pm3386_port_reg_write(port, 0x301, 0x100, 0x8000); + pm3386_port_reg_write(port, 0x301, 0x100, 0x0000); + + /* + * Auto-sense autonegotiation status. + */ + pm3386_port_reg_write(port, 0x306, 0x100, 0x0100); + + /* + * Allow reception of jumbo frames. + */ + pm3386_port_reg_write(port, 0x310, 0x100, 9018); + + /* + * Allow transmission of jumbo frames. + */ + pm3386_port_reg_write(port, 0x336, 0x100, 9018); + + /* @@@ Should set 0x337/0x437 (RX forwarding threshold.) */ + + /* + * Set autonegotiation parameters to 'no PAUSE, full duplex.' + */ + pm3386_port_reg_write(port, 0x31c, 0x100, 0x0020); + + /* + * Enable and restart autonegotiation. + */ + pm3386_port_reg_write(port, 0x318, 0x100, 0x0003); + pm3386_port_reg_write(port, 0x318, 0x100, 0x0002); +} + +void pm3386_get_mac(int port, u8 *mac) +{ + u16 temp; + + temp = pm3386_port_reg_read(port, 0x308, 0x100); + mac[0] = temp & 0xff; + mac[1] = (temp >> 8) & 0xff; + + temp = pm3386_port_reg_read(port, 0x309, 0x100); + mac[2] = temp & 0xff; + mac[3] = (temp >> 8) & 0xff; + + temp = pm3386_port_reg_read(port, 0x30a, 0x100); + mac[4] = temp & 0xff; + mac[5] = (temp >> 8) & 0xff; +} + +void pm3386_set_mac(int port, u8 *mac) +{ + pm3386_port_reg_write(port, 0x308, 0x100, (mac[1] << 8) | mac[0]); + pm3386_port_reg_write(port, 0x309, 0x100, (mac[3] << 8) | mac[2]); + pm3386_port_reg_write(port, 0x30a, 0x100, (mac[5] << 8) | mac[4]); +} + +static u32 pm3386_get_stat(int port, u16 base) +{ + u32 value; + + value = pm3386_port_reg_read(port, base, 0x100); + value |= pm3386_port_reg_read(port, base + 1, 0x100) << 16; + + return value; +} + +void pm3386_get_stats(int port, struct net_device_stats *stats) +{ + /* + * Snapshot statistics counters. + */ + pm3386_port_reg_write(port, 0x500, 0x100, 0x0001); + while (pm3386_port_reg_read(port, 0x500, 0x100) & 0x0001) + ; + + memset(stats, 0, sizeof(*stats)); + + stats->rx_packets = pm3386_get_stat(port, 0x510); + stats->tx_packets = pm3386_get_stat(port, 0x590); + stats->rx_bytes = pm3386_get_stat(port, 0x514); + stats->tx_bytes = pm3386_get_stat(port, 0x594); + /* @@@ Add other stats. */ +} + +void pm3386_set_carrier(int port, int state) +{ + pm3386_port_reg_write(port, 0x703, 0x10, state ? 0x1001 : 0x0000); +} + +int pm3386_is_link_up(int port) +{ + u16 temp; + + temp = pm3386_port_reg_read(port, 0x31a, 0x100); + temp = pm3386_port_reg_read(port, 0x31a, 0x100); + + return !!(temp & 0x0002); +} + +void pm3386_enable_rx(int port) +{ + u16 temp; + + temp = pm3386_port_reg_read(port, 0x303, 0x100); + temp |= 0x1000; + pm3386_port_reg_write(port, 0x303, 0x100, temp); +} + +void pm3386_disable_rx(int port) +{ + u16 temp; + + temp = pm3386_port_reg_read(port, 0x303, 0x100); + temp &= 0xefff; + pm3386_port_reg_write(port, 0x303, 0x100, temp); +} + +void pm3386_enable_tx(int port) +{ + u16 temp; + + temp = pm3386_port_reg_read(port, 0x303, 0x100); + temp |= 0x4000; + pm3386_port_reg_write(port, 0x303, 0x100, temp); +} + +void pm3386_disable_tx(int port) +{ + u16 temp; + + temp = pm3386_port_reg_read(port, 0x303, 0x100); + temp &= 0xbfff; + pm3386_port_reg_write(port, 0x303, 0x100, temp); +} + +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ixp2000/pm3386.h b/drivers/net/ixp2000/pm3386.h new file mode 100644 index 00000000000..fe92bb056ac --- /dev/null +++ b/drivers/net/ixp2000/pm3386.h @@ -0,0 +1,28 @@ +/* + * Helper functions for the PM3386s on the Radisys ENP2611 + * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> + * Dedicated to Marija Kulikova. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __PM3386_H +#define __PM3386_H + +void pm3386_reset(void); +void pm3386_init_port(int port); +void pm3386_get_mac(int port, u8 *mac); +void pm3386_set_mac(int port, u8 *mac); +void pm3386_get_stats(int port, struct net_device_stats *stats); +void pm3386_set_carrier(int port, int state); +int pm3386_is_link_up(int port); +void pm3386_enable_rx(int port); +void pm3386_disable_rx(int port); +void pm3386_enable_tx(int port); +void pm3386_disable_tx(int port); + + +#endif diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c index b039bd89ceb..272d331d29c 100644 --- a/drivers/net/jazzsonic.c +++ b/drivers/net/jazzsonic.c @@ -296,7 +296,7 @@ static int __init jazz_sonic_init_module(void) } jazz_sonic_device = platform_device_alloc(jazz_sonic_string, 0); - if (!jazz_sonnic_device) + if (!jazz_sonic_device) goto out_unregister; if (platform_device_add(jazz_sonic_device)) { @@ -307,7 +307,7 @@ static int __init jazz_sonic_init_module(void) return 0; out_unregister: - driver_unregister(&jazz_sonic_driver); + platform_driver_unregister(&jazz_sonic_driver); return -ENOMEM; } diff --git a/drivers/net/lance.c b/drivers/net/lance.c index 1d75ca0bb93..d1d714faa6c 100644 --- a/drivers/net/lance.c +++ b/drivers/net/lance.c @@ -309,17 +309,6 @@ static void lance_tx_timeout (struct net_device *dev); -static void cleanup_card(struct net_device *dev) -{ - struct lance_private *lp = dev->priv; - if (dev->dma != 4) - free_dma(dev->dma); - release_region(dev->base_addr, LANCE_TOTAL_SIZE); - kfree(lp->tx_bounce_buffs); - kfree((void*)lp->rx_buffs); - kfree(lp); -} - #ifdef MODULE #define MAX_CARDS 8 /* Max number of interfaces (cards) per module */ @@ -367,6 +356,17 @@ int init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + struct lance_private *lp = dev->priv; + if (dev->dma != 4) + free_dma(dev->dma); + release_region(dev->base_addr, LANCE_TOTAL_SIZE); + kfree(lp->tx_bounce_buffs); + kfree((void*)lp->rx_buffs); + kfree(lp); +} + void cleanup_module(void) { int this_dev; diff --git a/drivers/net/lne390.c b/drivers/net/lne390.c index 309d254842c..646e89fc356 100644 --- a/drivers/net/lne390.c +++ b/drivers/net/lne390.c @@ -145,13 +145,6 @@ static int __init do_lne390_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, dev); - release_region(dev->base_addr, LNE390_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init lne390_probe(int unit) { @@ -440,6 +433,13 @@ int init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + free_irq(dev->irq, dev); + release_region(dev->base_addr, LNE390_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { int this_dev; diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c index d8c99f038fa..06cb460361a 100644 --- a/drivers/net/mac8390.c +++ b/drivers/net/mac8390.c @@ -559,55 +559,52 @@ static void mac8390_no_reset(struct net_device *dev) /* directly from daynaport.c by Alan Cox */ static void dayna_memcpy_fromcard(struct net_device *dev, void *to, int from, int count) { - volatile unsigned short *ptr; - unsigned short *target=to; + volatile unsigned char *ptr; + unsigned char *target=to; from<<=1; /* word, skip overhead */ - ptr=(unsigned short *)(dev->mem_start+from); + ptr=(unsigned char *)(dev->mem_start+from); /* Leading byte? */ if (from&2) { - *((char *)target)++ = *(((char *)ptr++)-1); + *target++ = ptr[-1]; + ptr += 2; count--; } while(count>=2) { - *target++=*ptr++; /* Copy and */ - ptr++; /* skip cruft */ + *(unsigned short *)target = *(unsigned short volatile *)ptr; + ptr += 4; /* skip cruft */ + target += 2; count-=2; } /* Trailing byte? */ if(count) - { - /* Big endian */ - unsigned short v=*ptr; - *((char *)target)=v>>8; - } + *target = *ptr; } static void dayna_memcpy_tocard(struct net_device *dev, int to, const void *from, int count) { volatile unsigned short *ptr; - const unsigned short *src=from; + const unsigned char *src=from; to<<=1; /* word, skip overhead */ ptr=(unsigned short *)(dev->mem_start+to); /* Leading byte? */ if (to&2) { /* avoid a byte write (stomps on other data) */ - ptr[-1] = (ptr[-1]&0xFF00)|*((unsigned char *)src)++; + ptr[-1] = (ptr[-1]&0xFF00)|*src++; ptr++; count--; } while(count>=2) { - *ptr++=*src++; /* Copy and */ + *ptr++=*(unsigned short *)src; /* Copy and */ ptr++; /* skip cruft */ + src += 2; count-=2; } /* Trailing byte? */ if(count) { - /* Big endian */ - unsigned short v=*src; /* card doesn't like byte writes */ - *ptr=(*ptr&0x00FF)|(v&0xFF00); + *ptr=(*ptr&0x00FF)|(*src << 8); } } diff --git a/drivers/net/mipsnet.h b/drivers/net/mipsnet.h index 878535953cb..026c732024c 100644 --- a/drivers/net/mipsnet.h +++ b/drivers/net/mipsnet.h @@ -1,28 +1,8 @@ -// -// <COPYRIGHT CLASS="1B" YEAR="2005"> -// Unpublished work (c) MIPS Technologies, Inc. All rights reserved. -// Unpublished rights reserved under the copyright laws of the U.S.A. and -// other countries. -// -// PROPRIETARY / SECRET CONFIDENTIAL INFORMATION OF MIPS TECHNOLOGIES, INC. -// FOR INTERNAL USE ONLY. -// -// Under no circumstances (contract or otherwise) may this information be -// disclosed to, or copied, modified or used by anyone other than employees -// or contractors of MIPS Technologies having a need to know. -// </COPYRIGHT> -// -//++ -// File: MIPS_Net.h -// -// Description: -// The definition of the emulated MIPSNET device's interface. -// -// Notes: This include file needs to work from a Linux device drivers. -// -//-- -// - +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ #ifndef __MIPSNET_H #define __MIPSNET_H diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 3cb9b3fe0cf..40ae36b20c9 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -6,7 +6,7 @@ * Copyright (C) 2002 rabeeh@galileo.co.il * * Copyright (C) 2003 PMC-Sierra, Inc., - * written by Manish Lachwani (lachwani@pmc-sierra.com) + * written by Manish Lachwani * * Copyright (C) 2003 Ralf Baechle <ralf@linux-mips.org> * @@ -35,6 +35,8 @@ #include <linux/tcp.h> #include <linux/udp.h> #include <linux/etherdevice.h> +#include <linux/in.h> +#include <linux/ip.h> #include <linux/bitops.h> #include <linux/delay.h> @@ -55,13 +57,15 @@ /* Constants */ #define VLAN_HLEN 4 #define FCS_LEN 4 -#define WRAP NET_IP_ALIGN + ETH_HLEN + VLAN_HLEN + FCS_LEN +#define DMA_ALIGN 8 /* hw requires 8-byte alignment */ +#define HW_IP_ALIGN 2 /* hw aligns IP header */ +#define WRAP HW_IP_ALIGN + ETH_HLEN + VLAN_HLEN + FCS_LEN #define RX_SKB_SIZE ((dev->mtu + WRAP + 7) & ~0x7) -#define INT_CAUSE_UNMASK_ALL 0x0007ffff -#define INT_CAUSE_UNMASK_ALL_EXT 0x0011ffff -#define INT_CAUSE_MASK_ALL 0x00000000 -#define INT_CAUSE_MASK_ALL_EXT 0x00000000 +#define INT_UNMASK_ALL 0x0007ffff +#define INT_UNMASK_ALL_EXT 0x0011ffff +#define INT_MASK_ALL 0x00000000 +#define INT_MASK_ALL_EXT 0x00000000 #define INT_CAUSE_CHECK_BITS INT_CAUSE_UNMASK_ALL #define INT_CAUSE_CHECK_BITS_EXT INT_CAUSE_UNMASK_ALL_EXT @@ -78,8 +82,9 @@ static int eth_port_link_is_up(unsigned int eth_port_num); static void eth_port_uc_addr_get(struct net_device *dev, unsigned char *MacAddr); -static int mv643xx_eth_real_open(struct net_device *); -static int mv643xx_eth_real_stop(struct net_device *); +static void eth_port_set_multicast_list(struct net_device *); +static int mv643xx_eth_open(struct net_device *); +static int mv643xx_eth_stop(struct net_device *); static int mv643xx_eth_change_mtu(struct net_device *, int); static struct net_device_stats *mv643xx_eth_get_stats(struct net_device *); static void eth_port_init_mac_tables(unsigned int eth_port_num); @@ -124,15 +129,8 @@ static inline void mv_write(int offset, u32 data) */ static int mv643xx_eth_change_mtu(struct net_device *dev, int new_mtu) { - struct mv643xx_private *mp = netdev_priv(dev); - unsigned long flags; - - spin_lock_irqsave(&mp->lock, flags); - - if ((new_mtu > 9500) || (new_mtu < 64)) { - spin_unlock_irqrestore(&mp->lock, flags); + if ((new_mtu > 9500) || (new_mtu < 64)) return -EINVAL; - } dev->mtu = new_mtu; /* @@ -142,17 +140,13 @@ static int mv643xx_eth_change_mtu(struct net_device *dev, int new_mtu) * to memory is full, which might fail the open function. */ if (netif_running(dev)) { - if (mv643xx_eth_real_stop(dev)) - printk(KERN_ERR - "%s: Fatal error on stopping device\n", - dev->name); - if (mv643xx_eth_real_open(dev)) + mv643xx_eth_stop(dev); + if (mv643xx_eth_open(dev)) printk(KERN_ERR "%s: Fatal error on opening device\n", dev->name); } - spin_unlock_irqrestore(&mp->lock, flags); return 0; } @@ -170,15 +164,19 @@ static void mv643xx_eth_rx_task(void *data) struct mv643xx_private *mp = netdev_priv(dev); struct pkt_info pkt_info; struct sk_buff *skb; + int unaligned; if (test_and_set_bit(0, &mp->rx_task_busy)) panic("%s: Error in test_set_bit / clear_bit", dev->name); while (mp->rx_ring_skbs < (mp->rx_ring_size - 5)) { - skb = dev_alloc_skb(RX_SKB_SIZE); + skb = dev_alloc_skb(RX_SKB_SIZE + DMA_ALIGN); if (!skb) break; mp->rx_ring_skbs++; + unaligned = (u32)skb->data & (DMA_ALIGN - 1); + if (unaligned) + skb_reserve(skb, DMA_ALIGN - unaligned); pkt_info.cmd_sts = ETH_RX_ENABLE_INTERRUPT; pkt_info.byte_cnt = RX_SKB_SIZE; pkt_info.buf_ptr = dma_map_single(NULL, skb->data, RX_SKB_SIZE, @@ -189,7 +187,7 @@ static void mv643xx_eth_rx_task(void *data) "%s: Error allocating RX Ring\n", dev->name); break; } - skb_reserve(skb, 2); + skb_reserve(skb, HW_IP_ALIGN); } clear_bit(0, &mp->rx_task_busy); /* @@ -207,7 +205,7 @@ static void mv643xx_eth_rx_task(void *data) else { /* Return interrupts */ mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(mp->port_num), - INT_CAUSE_UNMASK_ALL); + INT_UNMASK_ALL); } #endif } @@ -267,6 +265,8 @@ static void mv643xx_eth_set_rx_mode(struct net_device *dev) mp->port_config &= ~(u32) MV643XX_ETH_UNICAST_PROMISCUOUS_MODE; mv_write(MV643XX_ETH_PORT_CONFIG_REG(mp->port_num), mp->port_config); + + eth_port_set_multicast_list(dev); } /* @@ -342,8 +342,6 @@ static int mv643xx_eth_free_tx_queue(struct net_device *dev, if (!(eth_int_cause_ext & (BIT0 | BIT8))) return released; - spin_lock(&mp->lock); - /* Check only queue 0 */ while (eth_tx_return_desc(mp, &pkt_info) == ETH_OK) { if (pkt_info.cmd_sts & BIT0) { @@ -351,31 +349,21 @@ static int mv643xx_eth_free_tx_queue(struct net_device *dev, stats->tx_errors++; } - /* - * If return_info is different than 0, release the skb. - * The case where return_info is not 0 is only in case - * when transmitted a scatter/gather packet, where only - * last skb releases the whole chain. - */ - if (pkt_info.return_info) { - if (skb_shinfo(pkt_info.return_info)->nr_frags) - dma_unmap_page(NULL, pkt_info.buf_ptr, - pkt_info.byte_cnt, - DMA_TO_DEVICE); - else - dma_unmap_single(NULL, pkt_info.buf_ptr, - pkt_info.byte_cnt, - DMA_TO_DEVICE); + if (pkt_info.cmd_sts & ETH_TX_FIRST_DESC) + dma_unmap_single(NULL, pkt_info.buf_ptr, + pkt_info.byte_cnt, + DMA_TO_DEVICE); + else + dma_unmap_page(NULL, pkt_info.buf_ptr, + pkt_info.byte_cnt, + DMA_TO_DEVICE); + if (pkt_info.return_info) { dev_kfree_skb_irq(pkt_info.return_info); released = 0; - } else - dma_unmap_page(NULL, pkt_info.buf_ptr, - pkt_info.byte_cnt, DMA_TO_DEVICE); + } } - spin_unlock(&mp->lock); - return released; } @@ -482,12 +470,12 @@ static irqreturn_t mv643xx_eth_int_handler(int irq, void *dev_id, /* Read interrupt cause registers */ eth_int_cause = mv_read(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num)) & - INT_CAUSE_UNMASK_ALL; + INT_UNMASK_ALL; if (eth_int_cause & BIT1) eth_int_cause_ext = mv_read( MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num)) & - INT_CAUSE_UNMASK_ALL_EXT; + INT_UNMASK_ALL_EXT; #ifdef MV643XX_NAPI if (!(eth_int_cause & 0x0007fffd)) { @@ -512,9 +500,10 @@ static irqreturn_t mv643xx_eth_int_handler(int irq, void *dev_id, } else { if (netif_rx_schedule_prep(dev)) { /* Mask all the interrupts */ - mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), 0); - mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG - (port_num), 0); + mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), + INT_MASK_ALL); + /* wait for previous write to complete */ + mv_read(MV643XX_ETH_INTERRUPT_MASK_REG(port_num)); __netif_rx_schedule(dev); } #else @@ -527,9 +516,12 @@ static irqreturn_t mv643xx_eth_int_handler(int irq, void *dev_id, * with skb's. */ #ifdef MV643XX_RX_QUEUE_FILL_ON_TASK - /* Unmask all interrupts on ethernet port */ + /* Mask all interrupts on ethernet port */ mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), - INT_CAUSE_MASK_ALL); + INT_MASK_ALL); + /* wait for previous write to take effect */ + mv_read(MV643XX_ETH_INTERRUPT_MASK_REG(port_num)); + queue_task(&mp->rx_task, &tq_immediate); mark_bh(IMMEDIATE_BH); #else @@ -636,56 +628,6 @@ static unsigned int eth_port_set_tx_coal(unsigned int eth_port_num, } /* - * mv643xx_eth_open - * - * This function is called when openning the network device. The function - * should initialize all the hardware, initialize cyclic Rx/Tx - * descriptors chain and buffers and allocate an IRQ to the network - * device. - * - * Input : a pointer to the network device structure - * - * Output : zero of success , nonzero if fails. - */ - -static int mv643xx_eth_open(struct net_device *dev) -{ - struct mv643xx_private *mp = netdev_priv(dev); - unsigned int port_num = mp->port_num; - int err; - - spin_lock_irq(&mp->lock); - - err = request_irq(dev->irq, mv643xx_eth_int_handler, - SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev); - - if (err) { - printk(KERN_ERR "Can not assign IRQ number to MV643XX_eth%d\n", - port_num); - err = -EAGAIN; - goto out; - } - - if (mv643xx_eth_real_open(dev)) { - printk("%s: Error opening interface\n", dev->name); - err = -EBUSY; - goto out_free; - } - - spin_unlock_irq(&mp->lock); - - return 0; - -out_free: - free_irq(dev->irq, dev); - -out: - spin_unlock_irq(&mp->lock); - - return err; -} - -/* * ether_init_rx_desc_ring - Curve a Rx chain desc list and buffer in memory. * * DESCRIPTION: @@ -777,28 +719,37 @@ static void ether_init_tx_desc_ring(struct mv643xx_private *mp) mp->port_tx_queue_command |= 1; } -/* Helper function for mv643xx_eth_open */ -static int mv643xx_eth_real_open(struct net_device *dev) +/* + * mv643xx_eth_open + * + * This function is called when openning the network device. The function + * should initialize all the hardware, initialize cyclic Rx/Tx + * descriptors chain and buffers and allocate an IRQ to the network + * device. + * + * Input : a pointer to the network device structure + * + * Output : zero of success , nonzero if fails. + */ + +static int mv643xx_eth_open(struct net_device *dev) { struct mv643xx_private *mp = netdev_priv(dev); unsigned int port_num = mp->port_num; unsigned int size; + int err; + + err = request_irq(dev->irq, mv643xx_eth_int_handler, + SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev); + if (err) { + printk(KERN_ERR "Can not assign IRQ number to MV643XX_eth%d\n", + port_num); + return -EAGAIN; + } /* Stop RX Queues */ mv_write(MV643XX_ETH_RECEIVE_QUEUE_COMMAND_REG(port_num), 0x0000ff00); - /* Clear the ethernet port interrupts */ - mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0); - mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0); - - /* Unmask RX buffer and TX end interrupt */ - mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), - INT_CAUSE_UNMASK_ALL); - - /* Unmask phy and link status changes interrupts */ - mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num), - INT_CAUSE_UNMASK_ALL_EXT); - /* Set the MAC Address */ memcpy(mp->port_mac_addr, dev->dev_addr, 6); @@ -818,14 +769,15 @@ static int mv643xx_eth_real_open(struct net_device *dev) GFP_KERNEL); if (!mp->rx_skb) { printk(KERN_ERR "%s: Cannot allocate Rx skb ring\n", dev->name); - return -ENOMEM; + err = -ENOMEM; + goto out_free_irq; } mp->tx_skb = kmalloc(sizeof(*mp->tx_skb) * mp->tx_ring_size, GFP_KERNEL); if (!mp->tx_skb) { printk(KERN_ERR "%s: Cannot allocate Tx skb ring\n", dev->name); - kfree(mp->rx_skb); - return -ENOMEM; + err = -ENOMEM; + goto out_free_rx_skb; } /* Allocate TX ring */ @@ -845,9 +797,8 @@ static int mv643xx_eth_real_open(struct net_device *dev) if (!mp->p_tx_desc_area) { printk(KERN_ERR "%s: Cannot allocate Tx Ring (size %d bytes)\n", dev->name, size); - kfree(mp->rx_skb); - kfree(mp->tx_skb); - return -ENOMEM; + err = -ENOMEM; + goto out_free_tx_skb; } BUG_ON((u32) mp->p_tx_desc_area & 0xf); /* check 16-byte alignment */ memset((void *)mp->p_tx_desc_area, 0, mp->tx_desc_area_size); @@ -874,13 +825,12 @@ static int mv643xx_eth_real_open(struct net_device *dev) printk(KERN_ERR "%s: Freeing previously allocated TX queues...", dev->name); if (mp->rx_sram_size) - iounmap(mp->p_rx_desc_area); + iounmap(mp->p_tx_desc_area); else dma_free_coherent(NULL, mp->tx_desc_area_size, mp->p_tx_desc_area, mp->tx_desc_dma); - kfree(mp->rx_skb); - kfree(mp->tx_skb); - return -ENOMEM; + err = -ENOMEM; + goto out_free_tx_skb; } memset((void *)mp->p_rx_desc_area, 0, size); @@ -900,9 +850,26 @@ static int mv643xx_eth_real_open(struct net_device *dev) mp->tx_int_coal = eth_port_set_tx_coal(port_num, 133000000, MV643XX_TX_COAL); - netif_start_queue(dev); + /* Clear any pending ethernet port interrupts */ + mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0); + mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0); + + /* Unmask phy and link status changes interrupts */ + mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num), + INT_UNMASK_ALL_EXT); + /* Unmask RX buffer and TX end interrupt */ + mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), INT_UNMASK_ALL); return 0; + +out_free_tx_skb: + kfree(mp->tx_skb); +out_free_rx_skb: + kfree(mp->rx_skb); +out_free_irq: + free_irq(dev->irq, dev); + + return err; } static void mv643xx_eth_free_tx_rings(struct net_device *dev) @@ -910,14 +877,17 @@ static void mv643xx_eth_free_tx_rings(struct net_device *dev) struct mv643xx_private *mp = netdev_priv(dev); unsigned int port_num = mp->port_num; unsigned int curr; + struct sk_buff *skb; /* Stop Tx Queues */ mv_write(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_REG(port_num), 0x0000ff00); /* Free outstanding skb's on TX rings */ for (curr = 0; mp->tx_ring_skbs && curr < mp->tx_ring_size; curr++) { - if (mp->tx_skb[curr]) { - dev_kfree_skb(mp->tx_skb[curr]); + skb = mp->tx_skb[curr]; + if (skb) { + mp->tx_ring_skbs -= skb_shinfo(skb)->nr_frags; + dev_kfree_skb(skb); mp->tx_ring_skbs--; } } @@ -973,44 +943,32 @@ static void mv643xx_eth_free_rx_rings(struct net_device *dev) * Output : zero if success , nonzero if fails */ -/* Helper function for mv643xx_eth_stop */ - -static int mv643xx_eth_real_stop(struct net_device *dev) +static int mv643xx_eth_stop(struct net_device *dev) { struct mv643xx_private *mp = netdev_priv(dev); unsigned int port_num = mp->port_num; + /* Mask all interrupts on ethernet port */ + mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), INT_MASK_ALL); + /* wait for previous write to complete */ + mv_read(MV643XX_ETH_INTERRUPT_MASK_REG(port_num)); + +#ifdef MV643XX_NAPI + netif_poll_disable(dev); +#endif netif_carrier_off(dev); netif_stop_queue(dev); - mv643xx_eth_free_tx_rings(dev); - mv643xx_eth_free_rx_rings(dev); - eth_port_reset(mp->port_num); - /* Disable ethernet port interrupts */ - mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0); - mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0); - - /* Mask RX buffer and TX end interrupt */ - mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), 0); - - /* Mask phy and link status changes interrupts */ - mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num), 0); - - return 0; -} - -static int mv643xx_eth_stop(struct net_device *dev) -{ - struct mv643xx_private *mp = netdev_priv(dev); - - spin_lock_irq(&mp->lock); + mv643xx_eth_free_tx_rings(dev); + mv643xx_eth_free_rx_rings(dev); - mv643xx_eth_real_stop(dev); +#ifdef MV643XX_NAPI + netif_poll_enable(dev); +#endif free_irq(dev->irq, dev); - spin_unlock_irq(&mp->lock); return 0; } @@ -1022,20 +980,17 @@ static void mv643xx_tx(struct net_device *dev) struct pkt_info pkt_info; while (eth_tx_return_desc(mp, &pkt_info) == ETH_OK) { - if (pkt_info.return_info) { - if (skb_shinfo(pkt_info.return_info)->nr_frags) - dma_unmap_page(NULL, pkt_info.buf_ptr, - pkt_info.byte_cnt, - DMA_TO_DEVICE); - else - dma_unmap_single(NULL, pkt_info.buf_ptr, - pkt_info.byte_cnt, - DMA_TO_DEVICE); + if (pkt_info.cmd_sts & ETH_TX_FIRST_DESC) + dma_unmap_single(NULL, pkt_info.buf_ptr, + pkt_info.byte_cnt, + DMA_TO_DEVICE); + else + dma_unmap_page(NULL, pkt_info.buf_ptr, + pkt_info.byte_cnt, + DMA_TO_DEVICE); + if (pkt_info.return_info) dev_kfree_skb_irq(pkt_info.return_info); - } else - dma_unmap_page(NULL, pkt_info.buf_ptr, - pkt_info.byte_cnt, DMA_TO_DEVICE); } if (netif_queue_stopped(dev) && @@ -1053,14 +1008,11 @@ static int mv643xx_poll(struct net_device *dev, int *budget) struct mv643xx_private *mp = netdev_priv(dev); int done = 1, orig_budget, work_done; unsigned int port_num = mp->port_num; - unsigned long flags; #ifdef MV643XX_TX_FAST_REFILL if (++mp->tx_clean_threshold > 5) { - spin_lock_irqsave(&mp->lock, flags); mv643xx_tx(dev); mp->tx_clean_threshold = 0; - spin_unlock_irqrestore(&mp->lock, flags); } #endif @@ -1078,21 +1030,36 @@ static int mv643xx_poll(struct net_device *dev, int *budget) } if (done) { - spin_lock_irqsave(&mp->lock, flags); - __netif_rx_complete(dev); + netif_rx_complete(dev); mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0); mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0); mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), - INT_CAUSE_UNMASK_ALL); - mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num), - INT_CAUSE_UNMASK_ALL_EXT); - spin_unlock_irqrestore(&mp->lock, flags); + INT_UNMASK_ALL); } return done ? 0 : 1; } #endif +/* Hardware can't handle unaligned fragments smaller than 9 bytes. + * This helper function detects that case. + */ + +static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb) +{ + unsigned int frag; + skb_frag_t *fragp; + + for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) { + fragp = &skb_shinfo(skb)->frags[frag]; + if (fragp->size <= 8 && fragp->page_offset & 0x7) + return 1; + + } + return 0; +} + + /* * mv643xx_eth_start_xmit * @@ -1136,12 +1103,19 @@ static int mv643xx_eth_start_xmit(struct sk_buff *skb, struct net_device *dev) return 1; } +#ifdef MV643XX_CHECKSUM_OFFLOAD_TX + if (has_tiny_unaligned_frags(skb)) { + if ((skb_linearize(skb, GFP_ATOMIC) != 0)) { + stats->tx_dropped++; + printk(KERN_DEBUG "%s: failed to linearize tiny " + "unaligned fragment\n", dev->name); + return 1; + } + } + spin_lock_irqsave(&mp->lock, flags); - /* Update packet info data structure -- DMA owned, first last */ -#ifdef MV643XX_CHECKSUM_OFFLOAD_TX if (!skb_shinfo(skb)->nr_frags) { -linear: if (skb->ip_summed != CHECKSUM_HW) { /* Errata BTS #50, IHL must be 5 if no HW checksum */ pkt_info.cmd_sts = ETH_TX_ENABLE_INTERRUPT | @@ -1150,7 +1124,6 @@ linear: 5 << ETH_TX_IHL_SHIFT; pkt_info.l4i_chk = 0; } else { - pkt_info.cmd_sts = ETH_TX_ENABLE_INTERRUPT | ETH_TX_FIRST_DESC | ETH_TX_LAST_DESC | @@ -1158,14 +1131,16 @@ linear: ETH_GEN_IP_V_4_CHECKSUM | skb->nh.iph->ihl << ETH_TX_IHL_SHIFT; /* CPU already calculated pseudo header checksum. */ - if (skb->nh.iph->protocol == IPPROTO_UDP) { + if ((skb->protocol == ETH_P_IP) && + (skb->nh.iph->protocol == IPPROTO_UDP) ) { pkt_info.cmd_sts |= ETH_UDP_FRAME; pkt_info.l4i_chk = skb->h.uh->check; - } else if (skb->nh.iph->protocol == IPPROTO_TCP) + } else if ((skb->protocol == ETH_P_IP) && + (skb->nh.iph->protocol == IPPROTO_TCP)) pkt_info.l4i_chk = skb->h.th->check; else { printk(KERN_ERR - "%s: chksum proto != TCP or UDP\n", + "%s: chksum proto != IPv4 TCP or UDP\n", dev->name); spin_unlock_irqrestore(&mp->lock, flags); return 1; @@ -1183,26 +1158,6 @@ linear: } else { unsigned int frag; - /* Since hardware can't handle unaligned fragments smaller - * than 9 bytes, if we find any, we linearize the skb - * and start again. When I've seen it, it's always been - * the first frag (probably near the end of the page), - * but we check all frags to be safe. - */ - for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) { - skb_frag_t *fragp; - - fragp = &skb_shinfo(skb)->frags[frag]; - if (fragp->size <= 8 && fragp->page_offset & 0x7) { - skb_linearize(skb, GFP_ATOMIC); - printk(KERN_DEBUG "%s: unaligned tiny fragment" - "%d of %d, fixed\n", - dev->name, frag, - skb_shinfo(skb)->nr_frags); - goto linear; - } - } - /* first frag which is skb header */ pkt_info.byte_cnt = skb_headlen(skb); pkt_info.buf_ptr = dma_map_single(NULL, skb->data, @@ -1221,14 +1176,16 @@ linear: ETH_GEN_IP_V_4_CHECKSUM | skb->nh.iph->ihl << ETH_TX_IHL_SHIFT; /* CPU already calculated pseudo header checksum. */ - if (skb->nh.iph->protocol == IPPROTO_UDP) { + if ((skb->protocol == ETH_P_IP) && + (skb->nh.iph->protocol == IPPROTO_UDP)) { pkt_info.cmd_sts |= ETH_UDP_FRAME; pkt_info.l4i_chk = skb->h.uh->check; - } else if (skb->nh.iph->protocol == IPPROTO_TCP) + } else if ((skb->protocol == ETH_P_IP) && + (skb->nh.iph->protocol == IPPROTO_TCP)) pkt_info.l4i_chk = skb->h.th->check; else { printk(KERN_ERR - "%s: chksum proto != TCP or UDP\n", + "%s: chksum proto != IPv4 TCP or UDP\n", dev->name); spin_unlock_irqrestore(&mp->lock, flags); return 1; @@ -1288,6 +1245,8 @@ linear: } } #else + spin_lock_irqsave(&mp->lock, flags); + pkt_info.cmd_sts = ETH_TX_ENABLE_INTERRUPT | ETH_TX_FIRST_DESC | ETH_TX_LAST_DESC; pkt_info.l4i_chk = 0; @@ -1340,39 +1299,18 @@ static struct net_device_stats *mv643xx_eth_get_stats(struct net_device *dev) } #ifdef CONFIG_NET_POLL_CONTROLLER -static inline void mv643xx_enable_irq(struct mv643xx_private *mp) -{ - int port_num = mp->port_num; - unsigned long flags; - - spin_lock_irqsave(&mp->lock, flags); - mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), - INT_CAUSE_UNMASK_ALL); - mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num), - INT_CAUSE_UNMASK_ALL_EXT); - spin_unlock_irqrestore(&mp->lock, flags); -} - -static inline void mv643xx_disable_irq(struct mv643xx_private *mp) -{ - int port_num = mp->port_num; - unsigned long flags; - - spin_lock_irqsave(&mp->lock, flags); - mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), - INT_CAUSE_MASK_ALL); - mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num), - INT_CAUSE_MASK_ALL_EXT); - spin_unlock_irqrestore(&mp->lock, flags); -} - static void mv643xx_netpoll(struct net_device *netdev) { struct mv643xx_private *mp = netdev_priv(netdev); + int port_num = mp->port_num; + + mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), INT_MASK_ALL); + /* wait for previous write to complete */ + mv_read(MV643XX_ETH_INTERRUPT_MASK_REG(port_num)); - mv643xx_disable_irq(mp); mv643xx_eth_int_handler(netdev->irq, netdev, NULL); - mv643xx_enable_irq(mp); + + mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), INT_UNMASK_ALL); } #endif @@ -1441,7 +1379,7 @@ static int mv643xx_eth_probe(struct platform_device *pdev) * Zero copy can only work if we use Discovery II memory. Else, we will * have to map the buffers to ISA memory which is only 16 MB */ - dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_HW_CSUM; + dev->features = NETIF_F_SG | NETIF_F_IP_CSUM; #endif #endif @@ -2054,6 +1992,196 @@ static int eth_port_uc_addr(unsigned int eth_port_num, unsigned char uc_nibble, } /* + * The entries in each table are indexed by a hash of a packet's MAC + * address. One bit in each entry determines whether the packet is + * accepted. There are 4 entries (each 8 bits wide) in each register + * of the table. The bits in each entry are defined as follows: + * 0 Accept=1, Drop=0 + * 3-1 Queue (ETH_Q0=0) + * 7-4 Reserved = 0; + */ +static void eth_port_set_filter_table_entry(int table, unsigned char entry) +{ + unsigned int table_reg; + unsigned int tbl_offset; + unsigned int reg_offset; + + tbl_offset = (entry / 4) * 4; /* Register offset of DA table entry */ + reg_offset = entry % 4; /* Entry offset within the register */ + + /* Set "accepts frame bit" at specified table entry */ + table_reg = mv_read(table + tbl_offset); + table_reg |= 0x01 << (8 * reg_offset); + mv_write(table + tbl_offset, table_reg); +} + +/* + * eth_port_mc_addr - Multicast address settings. + * + * The MV device supports multicast using two tables: + * 1) Special Multicast Table for MAC addresses of the form + * 0x01-00-5E-00-00-XX (where XX is between 0x00 and 0x_FF). + * The MAC DA[7:0] bits are used as a pointer to the Special Multicast + * Table entries in the DA-Filter table. + * 2) Other Multicast Table for multicast of another type. A CRC-8bit + * is used as an index to the Other Multicast Table entries in the + * DA-Filter table. This function calculates the CRC-8bit value. + * In either case, eth_port_set_filter_table_entry() is then called + * to set to set the actual table entry. + */ +static void eth_port_mc_addr(unsigned int eth_port_num, unsigned char *p_addr) +{ + unsigned int mac_h; + unsigned int mac_l; + unsigned char crc_result = 0; + int table; + int mac_array[48]; + int crc[8]; + int i; + + if ((p_addr[0] == 0x01) && (p_addr[1] == 0x00) && + (p_addr[2] == 0x5E) && (p_addr[3] == 0x00) && (p_addr[4] == 0x00)) { + table = MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE + (eth_port_num); + eth_port_set_filter_table_entry(table, p_addr[5]); + return; + } + + /* Calculate CRC-8 out of the given address */ + mac_h = (p_addr[0] << 8) | (p_addr[1]); + mac_l = (p_addr[2] << 24) | (p_addr[3] << 16) | + (p_addr[4] << 8) | (p_addr[5] << 0); + + for (i = 0; i < 32; i++) + mac_array[i] = (mac_l >> i) & 0x1; + for (i = 32; i < 48; i++) + mac_array[i] = (mac_h >> (i - 32)) & 0x1; + + crc[0] = mac_array[45] ^ mac_array[43] ^ mac_array[40] ^ mac_array[39] ^ + mac_array[35] ^ mac_array[34] ^ mac_array[31] ^ mac_array[30] ^ + mac_array[28] ^ mac_array[23] ^ mac_array[21] ^ mac_array[19] ^ + mac_array[18] ^ mac_array[16] ^ mac_array[14] ^ mac_array[12] ^ + mac_array[8] ^ mac_array[7] ^ mac_array[6] ^ mac_array[0]; + + crc[1] = mac_array[46] ^ mac_array[45] ^ mac_array[44] ^ mac_array[43] ^ + mac_array[41] ^ mac_array[39] ^ mac_array[36] ^ mac_array[34] ^ + mac_array[32] ^ mac_array[30] ^ mac_array[29] ^ mac_array[28] ^ + mac_array[24] ^ mac_array[23] ^ mac_array[22] ^ mac_array[21] ^ + mac_array[20] ^ mac_array[18] ^ mac_array[17] ^ mac_array[16] ^ + mac_array[15] ^ mac_array[14] ^ mac_array[13] ^ mac_array[12] ^ + mac_array[9] ^ mac_array[6] ^ mac_array[1] ^ mac_array[0]; + + crc[2] = mac_array[47] ^ mac_array[46] ^ mac_array[44] ^ mac_array[43] ^ + mac_array[42] ^ mac_array[39] ^ mac_array[37] ^ mac_array[34] ^ + mac_array[33] ^ mac_array[29] ^ mac_array[28] ^ mac_array[25] ^ + mac_array[24] ^ mac_array[22] ^ mac_array[17] ^ mac_array[15] ^ + mac_array[13] ^ mac_array[12] ^ mac_array[10] ^ mac_array[8] ^ + mac_array[6] ^ mac_array[2] ^ mac_array[1] ^ mac_array[0]; + + crc[3] = mac_array[47] ^ mac_array[45] ^ mac_array[44] ^ mac_array[43] ^ + mac_array[40] ^ mac_array[38] ^ mac_array[35] ^ mac_array[34] ^ + mac_array[30] ^ mac_array[29] ^ mac_array[26] ^ mac_array[25] ^ + mac_array[23] ^ mac_array[18] ^ mac_array[16] ^ mac_array[14] ^ + mac_array[13] ^ mac_array[11] ^ mac_array[9] ^ mac_array[7] ^ + mac_array[3] ^ mac_array[2] ^ mac_array[1]; + + crc[4] = mac_array[46] ^ mac_array[45] ^ mac_array[44] ^ mac_array[41] ^ + mac_array[39] ^ mac_array[36] ^ mac_array[35] ^ mac_array[31] ^ + mac_array[30] ^ mac_array[27] ^ mac_array[26] ^ mac_array[24] ^ + mac_array[19] ^ mac_array[17] ^ mac_array[15] ^ mac_array[14] ^ + mac_array[12] ^ mac_array[10] ^ mac_array[8] ^ mac_array[4] ^ + mac_array[3] ^ mac_array[2]; + + crc[5] = mac_array[47] ^ mac_array[46] ^ mac_array[45] ^ mac_array[42] ^ + mac_array[40] ^ mac_array[37] ^ mac_array[36] ^ mac_array[32] ^ + mac_array[31] ^ mac_array[28] ^ mac_array[27] ^ mac_array[25] ^ + mac_array[20] ^ mac_array[18] ^ mac_array[16] ^ mac_array[15] ^ + mac_array[13] ^ mac_array[11] ^ mac_array[9] ^ mac_array[5] ^ + mac_array[4] ^ mac_array[3]; + + crc[6] = mac_array[47] ^ mac_array[46] ^ mac_array[43] ^ mac_array[41] ^ + mac_array[38] ^ mac_array[37] ^ mac_array[33] ^ mac_array[32] ^ + mac_array[29] ^ mac_array[28] ^ mac_array[26] ^ mac_array[21] ^ + mac_array[19] ^ mac_array[17] ^ mac_array[16] ^ mac_array[14] ^ + mac_array[12] ^ mac_array[10] ^ mac_array[6] ^ mac_array[5] ^ + mac_array[4]; + + crc[7] = mac_array[47] ^ mac_array[44] ^ mac_array[42] ^ mac_array[39] ^ + mac_array[38] ^ mac_array[34] ^ mac_array[33] ^ mac_array[30] ^ + mac_array[29] ^ mac_array[27] ^ mac_array[22] ^ mac_array[20] ^ + mac_array[18] ^ mac_array[17] ^ mac_array[15] ^ mac_array[13] ^ + mac_array[11] ^ mac_array[7] ^ mac_array[6] ^ mac_array[5]; + + for (i = 0; i < 8; i++) + crc_result = crc_result | (crc[i] << i); + + table = MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(eth_port_num); + eth_port_set_filter_table_entry(table, crc_result); +} + +/* + * Set the entire multicast list based on dev->mc_list. + */ +static void eth_port_set_multicast_list(struct net_device *dev) +{ + + struct dev_mc_list *mc_list; + int i; + int table_index; + struct mv643xx_private *mp = netdev_priv(dev); + unsigned int eth_port_num = mp->port_num; + + /* If the device is in promiscuous mode or in all multicast mode, + * we will fully populate both multicast tables with accept. + * This is guaranteed to yield a match on all multicast addresses... + */ + if ((dev->flags & IFF_PROMISC) || (dev->flags & IFF_ALLMULTI)) { + for (table_index = 0; table_index <= 0xFC; table_index += 4) { + /* Set all entries in DA filter special multicast + * table (Ex_dFSMT) + * Set for ETH_Q0 for now + * Bits + * 0 Accept=1, Drop=0 + * 3-1 Queue ETH_Q0=0 + * 7-4 Reserved = 0; + */ + mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101); + + /* Set all entries in DA filter other multicast + * table (Ex_dFOMT) + * Set for ETH_Q0 for now + * Bits + * 0 Accept=1, Drop=0 + * 3-1 Queue ETH_Q0=0 + * 7-4 Reserved = 0; + */ + mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101); + } + return; + } + + /* We will clear out multicast tables every time we get the list. + * Then add the entire new list... + */ + for (table_index = 0; table_index <= 0xFC; table_index += 4) { + /* Clear DA filter special multicast table (Ex_dFSMT) */ + mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE + (eth_port_num) + table_index, 0); + + /* Clear DA filter other multicast table (Ex_dFOMT) */ + mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE + (eth_port_num) + table_index, 0); + } + + /* Get pointer to net_device multicast list and add each one... */ + for (i = 0, mc_list = dev->mc_list; + (i < 256) && (mc_list != NULL) && (i < dev->mc_count); + i++, mc_list = mc_list->next) + if (mc_list->dmi_addrlen == 6) + eth_port_mc_addr(eth_port_num, mc_list->dmi_addr); +} + +/* * eth_port_init_mac_tables - Clear all entrance in the UC, SMC and OMC tables * * DESCRIPTION: @@ -2080,11 +2208,11 @@ static void eth_port_init_mac_tables(unsigned int eth_port_num) for (table_index = 0; table_index <= 0xFC; table_index += 4) { /* Clear DA filter special multicast table (Ex_dFSMT) */ - mv_write((MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE - (eth_port_num) + table_index), 0); + mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE + (eth_port_num) + table_index, 0); /* Clear DA filter other multicast table (Ex_dFOMT) */ - mv_write((MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE - (eth_port_num) + table_index), 0); + mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE + (eth_port_num) + table_index, 0); } } @@ -2489,6 +2617,7 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp, struct eth_tx_desc *current_descriptor; struct eth_tx_desc *first_descriptor; u32 command; + unsigned long flags; /* Do not process Tx ring in case of Tx ring resource error */ if (mp->tx_resource_err) @@ -2505,6 +2634,8 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp, return ETH_ERROR; } + spin_lock_irqsave(&mp->lock, flags); + mp->tx_ring_skbs++; BUG_ON(mp->tx_ring_skbs > mp->tx_ring_size); @@ -2554,11 +2685,15 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp, mp->tx_resource_err = 1; mp->tx_curr_desc_q = tx_first_desc; + spin_unlock_irqrestore(&mp->lock, flags); + return ETH_QUEUE_LAST_RESOURCE; } mp->tx_curr_desc_q = tx_next_desc; + spin_unlock_irqrestore(&mp->lock, flags); + return ETH_OK; } #else @@ -2569,11 +2704,14 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp, int tx_desc_used; struct eth_tx_desc *current_descriptor; unsigned int command_status; + unsigned long flags; /* Do not process Tx ring in case of Tx ring resource error */ if (mp->tx_resource_err) return ETH_QUEUE_FULL; + spin_lock_irqsave(&mp->lock, flags); + mp->tx_ring_skbs++; BUG_ON(mp->tx_ring_skbs > mp->tx_ring_size); @@ -2604,9 +2742,12 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp, /* Check for ring index overlap in the Tx desc ring */ if (tx_desc_curr == tx_desc_used) { mp->tx_resource_err = 1; + + spin_unlock_irqrestore(&mp->lock, flags); return ETH_QUEUE_LAST_RESOURCE; } + spin_unlock_irqrestore(&mp->lock, flags); return ETH_OK; } #endif @@ -2629,23 +2770,27 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp, * Tx ring 'first' and 'used' indexes are updated. * * RETURN: - * ETH_ERROR in case the routine can not access Tx desc ring. - * ETH_RETRY in case there is transmission in process. - * ETH_END_OF_JOB if the routine has nothing to release. - * ETH_OK otherwise. + * ETH_OK on success + * ETH_ERROR otherwise. * */ static ETH_FUNC_RET_STATUS eth_tx_return_desc(struct mv643xx_private *mp, struct pkt_info *p_pkt_info) { int tx_desc_used; + int tx_busy_desc; + struct eth_tx_desc *p_tx_desc_used; + unsigned int command_status; + unsigned long flags; + int err = ETH_OK; + + spin_lock_irqsave(&mp->lock, flags); + #ifdef MV643XX_CHECKSUM_OFFLOAD_TX - int tx_busy_desc = mp->tx_first_desc_q; + tx_busy_desc = mp->tx_first_desc_q; #else - int tx_busy_desc = mp->tx_curr_desc_q; + tx_busy_desc = mp->tx_curr_desc_q; #endif - struct eth_tx_desc *p_tx_desc_used; - unsigned int command_status; /* Get the Tx Desc ring indexes */ tx_desc_used = mp->tx_used_desc_q; @@ -2653,22 +2798,30 @@ static ETH_FUNC_RET_STATUS eth_tx_return_desc(struct mv643xx_private *mp, p_tx_desc_used = &mp->p_tx_desc_area[tx_desc_used]; /* Sanity check */ - if (p_tx_desc_used == NULL) - return ETH_ERROR; + if (p_tx_desc_used == NULL) { + err = ETH_ERROR; + goto out; + } /* Stop release. About to overlap the current available Tx descriptor */ - if (tx_desc_used == tx_busy_desc && !mp->tx_resource_err) - return ETH_END_OF_JOB; + if (tx_desc_used == tx_busy_desc && !mp->tx_resource_err) { + err = ETH_ERROR; + goto out; + } command_status = p_tx_desc_used->cmd_sts; /* Still transmitting... */ - if (command_status & (ETH_BUFFER_OWNED_BY_DMA)) - return ETH_RETRY; + if (command_status & (ETH_BUFFER_OWNED_BY_DMA)) { + err = ETH_ERROR; + goto out; + } /* Pass the packet information to the caller */ p_pkt_info->cmd_sts = command_status; p_pkt_info->return_info = mp->tx_skb[tx_desc_used]; + p_pkt_info->buf_ptr = p_tx_desc_used->buf_ptr; + p_pkt_info->byte_cnt = p_tx_desc_used->byte_cnt; mp->tx_skb[tx_desc_used] = NULL; /* Update the next descriptor to release. */ @@ -2680,7 +2833,10 @@ static ETH_FUNC_RET_STATUS eth_tx_return_desc(struct mv643xx_private *mp, BUG_ON(mp->tx_ring_skbs == 0); mp->tx_ring_skbs--; - return ETH_OK; +out: + spin_unlock_irqrestore(&mp->lock, flags); + + return err; } /* @@ -2712,11 +2868,14 @@ static ETH_FUNC_RET_STATUS eth_port_receive(struct mv643xx_private *mp, int rx_next_curr_desc, rx_curr_desc, rx_used_desc; volatile struct eth_rx_desc *p_rx_desc; unsigned int command_status; + unsigned long flags; /* Do not process Rx ring in case of Rx ring resource error */ if (mp->rx_resource_err) return ETH_QUEUE_FULL; + spin_lock_irqsave(&mp->lock, flags); + /* Get the Rx Desc ring 'curr and 'used' indexes */ rx_curr_desc = mp->rx_curr_desc_q; rx_used_desc = mp->rx_used_desc_q; @@ -2728,8 +2887,10 @@ static ETH_FUNC_RET_STATUS eth_port_receive(struct mv643xx_private *mp, rmb(); /* Nothing to receive... */ - if (command_status & (ETH_BUFFER_OWNED_BY_DMA)) + if (command_status & (ETH_BUFFER_OWNED_BY_DMA)) { + spin_unlock_irqrestore(&mp->lock, flags); return ETH_END_OF_JOB; + } p_pkt_info->byte_cnt = (p_rx_desc->byte_cnt) - RX_BUF_OFFSET; p_pkt_info->cmd_sts = command_status; @@ -2749,6 +2910,8 @@ static ETH_FUNC_RET_STATUS eth_port_receive(struct mv643xx_private *mp, if (rx_next_curr_desc == rx_used_desc) mp->rx_resource_err = 1; + spin_unlock_irqrestore(&mp->lock, flags); + return ETH_OK; } @@ -2777,6 +2940,9 @@ static ETH_FUNC_RET_STATUS eth_rx_return_buff(struct mv643xx_private *mp, { int used_rx_desc; /* Where to return Rx resource */ volatile struct eth_rx_desc *p_used_rx_desc; + unsigned long flags; + + spin_lock_irqsave(&mp->lock, flags); /* Get 'used' Rx descriptor */ used_rx_desc = mp->rx_used_desc_q; @@ -2800,6 +2966,8 @@ static ETH_FUNC_RET_STATUS eth_rx_return_buff(struct mv643xx_private *mp, /* Any Rx return cancels the Rx resource error status */ mp->rx_resource_err = 0; + spin_unlock_irqrestore(&mp->lock, flags); + return ETH_OK; } diff --git a/drivers/net/ne.c b/drivers/net/ne.c index 0de8fdd2aa8..94f782d51f0 100644 --- a/drivers/net/ne.c +++ b/drivers/net/ne.c @@ -212,15 +212,6 @@ static int __init do_ne_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; - if (idev) - pnp_device_detach(idev); - free_irq(dev->irq, dev); - release_region(dev->base_addr, NE_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init ne_probe(int unit) { @@ -859,6 +850,15 @@ int init_module(void) return -ENODEV; } +static void cleanup_card(struct net_device *dev) +{ + struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; + if (idev) + pnp_device_detach(idev); + free_irq(dev->irq, dev); + release_region(dev->base_addr, NE_IO_EXTENT); +} + void cleanup_module(void) { int this_dev; diff --git a/drivers/net/ne2.c b/drivers/net/ne2.c index 6d62ada85de..e6df375a1d4 100644 --- a/drivers/net/ne2.c +++ b/drivers/net/ne2.c @@ -278,14 +278,6 @@ static int __init do_ne2_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - mca_mark_as_unused(ei_status.priv); - mca_set_adapter_procfn( ei_status.priv, NULL, NULL); - free_irq(dev->irq, dev); - release_region(dev->base_addr, NE_IO_EXTENT); -} - #ifndef MODULE struct net_device * __init ne2_probe(int unit) { @@ -812,6 +804,14 @@ int init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + mca_mark_as_unused(ei_status.priv); + mca_set_adapter_procfn( ei_status.priv, NULL, NULL); + free_irq(dev->irq, dev); + release_region(dev->base_addr, NE_IO_EXTENT); +} + void cleanup_module(void) { int this_dev; diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c index f857ae94d26..b0c3b6ab626 100644 --- a/drivers/net/ns83820.c +++ b/drivers/net/ns83820.c @@ -115,6 +115,7 @@ #include <linux/ethtool.h> #include <linux/timer.h> #include <linux/if_vlan.h> +#include <linux/rtnetlink.h> #include <asm/io.h> #include <asm/uaccess.h> diff --git a/drivers/net/pci-skeleton.c b/drivers/net/pci-skeleton.c index a1ac4bd1696..a7bb54df75a 100644 --- a/drivers/net/pci-skeleton.c +++ b/drivers/net/pci-skeleton.c @@ -415,7 +415,7 @@ typedef enum { /* directly indexed by chip_t, above */ -const static struct { +static const struct { const char *name; u8 version; /* from RTL8139C docs */ u32 RxConfigMask; /* should clear the bits supported by this chip */ diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c index 71fd41122c9..48774efeec7 100644 --- a/drivers/net/pcmcia/3c574_cs.c +++ b/drivers/net/pcmcia/3c574_cs.c @@ -227,8 +227,6 @@ static char mii_preamble_required = 0; static void tc574_config(dev_link_t *link); static void tc574_release(dev_link_t *link); -static int tc574_event(event_t event, int priority, - event_callback_args_t *args); static void mdio_sync(kio_addr_t ioaddr, int bits); static int mdio_read(kio_addr_t ioaddr, int phy_id, int location); @@ -250,12 +248,7 @@ static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); static struct ethtool_ops netdev_ethtool_ops; static void set_rx_mode(struct net_device *dev); -static dev_info_t dev_info = "3c574_cs"; - -static dev_link_t *tc574_attach(void); -static void tc574_detach(dev_link_t *); - -static dev_link_t *dev_list; +static void tc574_detach(struct pcmcia_device *p_dev); /* tc574_attach() creates an "instance" of the driver, allocating @@ -263,20 +256,18 @@ static dev_link_t *dev_list; with Card Services. */ -static dev_link_t *tc574_attach(void) +static int tc574_attach(struct pcmcia_device *p_dev) { struct el3_private *lp; - client_reg_t client_reg; dev_link_t *link; struct net_device *dev; - int ret; DEBUG(0, "3c574_attach()\n"); /* Create the PC card device object. */ dev = alloc_etherdev(sizeof(struct el3_private)); if (!dev) - return NULL; + return -ENOMEM; lp = netdev_priv(dev); link = &lp->link; link->priv = dev; @@ -307,20 +298,13 @@ static dev_link_t *tc574_attach(void) dev->watchdog_timeo = TX_TIMEOUT; #endif - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - tc574_detach(link); - return NULL; - } + link->handle = p_dev; + p_dev->instance = link; - return link; + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + tc574_config(link); + + return 0; } /* tc574_attach */ /* @@ -332,30 +316,19 @@ static dev_link_t *tc574_attach(void) */ -static void tc574_detach(dev_link_t *link) +static void tc574_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "3c574_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) tc574_release(link); - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* tc574_detach */ @@ -547,56 +520,37 @@ static void tc574_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/* - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. -*/ - -static int tc574_event(event_t event, int priority, - event_callback_args_t *args) +static int tc574_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - DEBUG(1, "3c574_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + if (link->open) netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - tc574_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); - } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - tc574_reset(dev); - netif_device_attach(dev); - } + pcmcia_release_configuration(link->handle); + } + + return 0; +} + +static int tc574_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + tc574_reset(dev); + netif_device_attach(dev); } - break; } + return 0; -} /* tc574_event */ +} static void dump_status(struct net_device *dev) { @@ -1292,10 +1246,11 @@ static struct pcmcia_driver tc574_driver = { .drv = { .name = "3c574_cs", }, - .attach = tc574_attach, - .event = tc574_event, - .detach = tc574_detach, + .probe = tc574_attach, + .remove = tc574_detach, .id_table = tc574_ids, + .suspend = tc574_suspend, + .resume = tc574_resume, }; static int __init init_tc574(void) @@ -1306,7 +1261,6 @@ static int __init init_tc574(void) static void __exit exit_tc574(void) { pcmcia_unregister_driver(&tc574_driver); - BUG_ON(dev_list != NULL); } module_init(init_tc574); diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c index d83fdd8c194..1c3c9c666f7 100644 --- a/drivers/net/pcmcia/3c589_cs.c +++ b/drivers/net/pcmcia/3c589_cs.c @@ -143,8 +143,6 @@ DRV_NAME ".c " DRV_VERSION " 2001/10/13 00:08:50 (David Hinds)"; static void tc589_config(dev_link_t *link); static void tc589_release(dev_link_t *link); -static int tc589_event(event_t event, int priority, - event_callback_args_t *args); static u16 read_eeprom(kio_addr_t ioaddr, int index); static void tc589_reset(struct net_device *dev); @@ -161,12 +159,7 @@ static void el3_tx_timeout(struct net_device *dev); static void set_multicast_list(struct net_device *dev); static struct ethtool_ops netdev_ethtool_ops; -static dev_info_t dev_info = "3c589_cs"; - -static dev_link_t *tc589_attach(void); -static void tc589_detach(dev_link_t *); - -static dev_link_t *dev_list; +static void tc589_detach(struct pcmcia_device *p_dev); /*====================================================================== @@ -176,20 +169,18 @@ static dev_link_t *dev_list; ======================================================================*/ -static dev_link_t *tc589_attach(void) +static int tc589_attach(struct pcmcia_device *p_dev) { struct el3_private *lp; - client_reg_t client_reg; dev_link_t *link; struct net_device *dev; - int ret; DEBUG(0, "3c589_attach()\n"); - + /* Create new ethernet device */ dev = alloc_etherdev(sizeof(struct el3_private)); if (!dev) - return NULL; + return -ENOMEM; lp = netdev_priv(dev); link = &lp->link; link->priv = dev; @@ -206,7 +197,7 @@ static dev_link_t *tc589_attach(void) link->conf.IntType = INT_MEMORY_AND_IO; link->conf.ConfigIndex = 1; link->conf.Present = PRESENT_OPTION; - + /* The EL3-specific entries in the device structure. */ SET_MODULE_OWNER(dev); dev->hard_start_xmit = &el3_start_xmit; @@ -221,20 +212,13 @@ static dev_link_t *tc589_attach(void) #endif SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - tc589_detach(link); - return NULL; - } - - return link; + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + tc589_config(link); + + return 0; } /* tc589_attach */ /*====================================================================== @@ -246,30 +230,19 @@ static dev_link_t *tc589_attach(void) ======================================================================*/ -static void tc589_detach(dev_link_t *link) +static void tc589_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; - + DEBUG(0, "3c589_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) tc589_release(link); - - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, free bits */ - *linkp = link->next; + free_netdev(dev); } /* tc589_detach */ @@ -421,58 +394,37 @@ static void tc589_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/*====================================================================== - - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. - -======================================================================*/ - -static int tc589_event(event_t event, int priority, - event_callback_args_t *args) +static int tc589_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - struct net_device *dev = link->priv; - - DEBUG(1, "3c589_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - tc589_config(link); - break; - case CS_EVENT_PM_SUSPEND: + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); + if (link->open) + netif_device_detach(dev); + pcmcia_release_configuration(link->handle); } - break; - case CS_EVENT_PM_RESUME: + + return 0; +} + +static int tc589_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - tc589_reset(dev); - netif_device_attach(dev); - } + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + tc589_reset(dev); + netif_device_attach(dev); + } } - break; - } - return 0; -} /* tc589_event */ + + return 0; +} /*====================================================================*/ @@ -1067,10 +1019,11 @@ static struct pcmcia_driver tc589_driver = { .drv = { .name = "3c589_cs", }, - .attach = tc589_attach, - .event = tc589_event, - .detach = tc589_detach, + .probe = tc589_attach, + .remove = tc589_detach, .id_table = tc589_ids, + .suspend = tc589_suspend, + .resume = tc589_resume, }; static int __init init_tc589(void) @@ -1081,7 +1034,6 @@ static int __init init_tc589(void) static void __exit exit_tc589(void) { pcmcia_unregister_driver(&tc589_driver); - BUG_ON(dev_list != NULL); } module_init(init_tc589); diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index 8bb4e85689e..01ddfc8cce3 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -87,8 +87,6 @@ static char *version = static void axnet_config(dev_link_t *link); static void axnet_release(dev_link_t *link); -static int axnet_event(event_t event, int priority, - event_callback_args_t *args); static int axnet_open(struct net_device *dev); static int axnet_close(struct net_device *dev); static int axnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); @@ -107,11 +105,7 @@ static void block_input(struct net_device *dev, int count, static void block_output(struct net_device *dev, int count, const u_char *buf, const int start_page); -static dev_link_t *axnet_attach(void); -static void axnet_detach(dev_link_t *); - -static dev_info_t dev_info = "axnet_cs"; -static dev_link_t *dev_list; +static void axnet_detach(struct pcmcia_device *p_dev); static void axdev_setup(struct net_device *dev); static void AX88190_init(struct net_device *dev, int startp); @@ -147,13 +141,11 @@ static inline axnet_dev_t *PRIV(struct net_device *dev) ======================================================================*/ -static dev_link_t *axnet_attach(void) +static int axnet_attach(struct pcmcia_device *p_dev) { axnet_dev_t *info; dev_link_t *link; struct net_device *dev; - client_reg_t client_reg; - int ret; DEBUG(0, "axnet_attach()\n"); @@ -161,7 +153,7 @@ static dev_link_t *axnet_attach(void) "eth%d", axdev_setup); if (!dev) - return NULL; + return -ENOMEM; info = PRIV(dev); link = &info->link; @@ -176,20 +168,13 @@ static dev_link_t *axnet_attach(void) dev->do_ioctl = &axnet_ioctl; SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != CS_SUCCESS) { - cs_error(link->handle, RegisterClient, ret); - axnet_detach(link); - return NULL; - } + link->handle = p_dev; + p_dev->instance = link; - return link; + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + axnet_config(link); + + return 0; } /* axnet_attach */ /*====================================================================== @@ -201,30 +186,19 @@ static dev_link_t *axnet_attach(void) ======================================================================*/ -static void axnet_detach(dev_link_t *link) +static void axnet_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "axnet_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) axnet_release(link); - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* axnet_detach */ @@ -490,59 +464,39 @@ static void axnet_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/*====================================================================== - - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. - -======================================================================*/ - -static int axnet_event(event_t event, int priority, - event_callback_args_t *args) +static int axnet_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - struct net_device *dev = link->priv; + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; - DEBUG(2, "axnet_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - axnet_config(link); - break; - case CS_EVENT_PM_SUSPEND: link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); + if (link->open) + netif_device_detach(dev); + pcmcia_release_configuration(link->handle); } - break; - case CS_EVENT_PM_RESUME: + + return 0; +} + +static int axnet_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - axnet_reset_8390(dev); - AX88190_init(dev, 1); - netif_device_attach(dev); - } + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + axnet_reset_8390(dev); + AX88190_init(dev, 1); + netif_device_attach(dev); + } } - break; - } - return 0; -} /* axnet_event */ + + return 0; +} + /*====================================================================== @@ -616,7 +570,7 @@ static int axnet_open(struct net_device *dev) link->open++; - request_irq(dev->irq, ei_irq_wrapper, SA_SHIRQ, dev_info, dev); + request_irq(dev->irq, ei_irq_wrapper, SA_SHIRQ, "axnet_cs", dev); info->link_status = 0x00; init_timer(&info->watchdog); @@ -877,10 +831,11 @@ static struct pcmcia_driver axnet_cs_driver = { .drv = { .name = "axnet_cs", }, - .attach = axnet_attach, - .event = axnet_event, - .detach = axnet_detach, + .probe = axnet_attach, + .remove = axnet_detach, .id_table = axnet_ids, + .suspend = axnet_suspend, + .resume = axnet_resume, }; static int __init init_axnet_cs(void) @@ -891,7 +846,6 @@ static int __init init_axnet_cs(void) static void __exit exit_axnet_cs(void) { pcmcia_unregister_driver(&axnet_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_axnet_cs); diff --git a/drivers/net/pcmcia/com20020_cs.c b/drivers/net/pcmcia/com20020_cs.c index b9355d9498a..2827a48ea37 100644 --- a/drivers/net/pcmcia/com20020_cs.c +++ b/drivers/net/pcmcia/com20020_cs.c @@ -120,15 +120,8 @@ MODULE_LICENSE("GPL"); static void com20020_config(dev_link_t *link); static void com20020_release(dev_link_t *link); -static int com20020_event(event_t event, int priority, - event_callback_args_t *args); -static dev_info_t dev_info = "com20020_cs"; - -static dev_link_t *com20020_attach(void); -static void com20020_detach(dev_link_t *); - -static dev_link_t *dev_list; +static void com20020_detach(struct pcmcia_device *p_dev); /*====================================================================*/ @@ -145,21 +138,19 @@ typedef struct com20020_dev_t { ======================================================================*/ -static dev_link_t *com20020_attach(void) +static int com20020_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; com20020_dev_t *info; struct net_device *dev; - int ret; struct arcnet_local *lp; - + DEBUG(0, "com20020_attach()\n"); /* Create new network device */ link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); if (!link) - return NULL; + return -ENOMEM; info = kmalloc(sizeof(struct com20020_dev_t), GFP_KERNEL); if (!info) @@ -191,30 +182,19 @@ static dev_link_t *com20020_attach(void) link->conf.IntType = INT_MEMORY_AND_IO; link->conf.Present = PRESENT_OPTION; - link->irq.Instance = info->dev = dev; link->priv = info; - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - com20020_detach(link); - return NULL; - } + link->state |= DEV_PRESENT; + com20020_config(link); - return link; + return 0; fail_alloc_dev: kfree(info); fail_alloc_info: kfree(link); - return NULL; + return -ENOMEM; } /* com20020_attach */ /*====================================================================== @@ -226,29 +206,21 @@ fail_alloc_info: ======================================================================*/ -static void com20020_detach(dev_link_t *link) +static void com20020_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct com20020_dev_t *info = link->priv; - dev_link_t **linkp; - struct net_device *dev; - + struct net_device *dev = info->dev; + DEBUG(1,"detach...\n"); DEBUG(0, "com20020_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - - dev = info->dev; - if (link->dev) { DEBUG(1,"unregister...\n"); unregister_netdev(dev); - + /* * this is necessary because we register our IRQ separately * from card services. @@ -260,12 +232,8 @@ static void com20020_detach(dev_link_t *link) if (link->state & DEV_CONFIG) com20020_release(link); - if (link->handle) - pcmcia_deregister_client(link->handle); - /* Unlink device structure, free bits */ DEBUG(1,"unlinking...\n"); - *linkp = link->next; if (link->priv) { dev = info->dev; @@ -421,61 +389,41 @@ static void com20020_release(dev_link_t *link) link->state &= ~(DEV_CONFIG | DEV_RELEASE_PENDING); } -/*====================================================================== +static int com20020_suspend(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + com20020_dev_t *info = link->priv; + struct net_device *dev = info->dev; - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + if (link->open) { + netif_device_detach(dev); + } + pcmcia_release_configuration(link->handle); + } -======================================================================*/ + return 0; +} -static int com20020_event(event_t event, int priority, - event_callback_args_t *args) +static int com20020_resume(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - com20020_dev_t *info = link->priv; - struct net_device *dev = info->dev; + dev_link_t *link = dev_to_instance(p_dev); + com20020_dev_t *info = link->priv; + struct net_device *dev = info->dev; - DEBUG(1, "com20020_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT; - com20020_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) { - if (link->open) { - netif_device_detach(dev); - } - pcmcia_release_configuration(link->handle); - } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: + link->state &= ~DEV_SUSPEND; if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - int ioaddr = dev->base_addr; - struct arcnet_local *lp = dev->priv; - ARCRESET; - } + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + int ioaddr = dev->base_addr; + struct arcnet_local *lp = dev->priv; + ARCRESET; + } } - break; - } - return 0; -} /* com20020_event */ + + return 0; +} static struct pcmcia_device_id com20020_ids[] = { PCMCIA_DEVICE_PROD_ID12("Contemporary Control Systems, Inc.", "PCM20 Arcnet Adapter", 0x59991666, 0x95dfffaf), @@ -488,10 +436,11 @@ static struct pcmcia_driver com20020_cs_driver = { .drv = { .name = "com20020_cs", }, - .attach = com20020_attach, - .event = com20020_event, - .detach = com20020_detach, + .probe = com20020_attach, + .remove = com20020_detach, .id_table = com20020_ids, + .suspend = com20020_suspend, + .resume = com20020_resume, }; static int __init init_com20020_cs(void) @@ -502,7 +451,6 @@ static int __init init_com20020_cs(void) static void __exit exit_com20020_cs(void) { pcmcia_unregister_driver(&com20020_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_com20020_cs); diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index 384a736a0d2..28fe2fb4d6c 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c @@ -88,10 +88,7 @@ static void fmvj18x_config(dev_link_t *link); static int fmvj18x_get_hwinfo(dev_link_t *link, u_char *node_id); static int fmvj18x_setup_mfc(dev_link_t *link); static void fmvj18x_release(dev_link_t *link); -static int fmvj18x_event(event_t event, int priority, - event_callback_args_t *args); -static dev_link_t *fmvj18x_attach(void); -static void fmvj18x_detach(dev_link_t *); +static void fmvj18x_detach(struct pcmcia_device *p_dev); /* LAN controller(MBH86960A) specific routines @@ -108,9 +105,6 @@ static void set_rx_mode(struct net_device *dev); static void fjn_tx_timeout(struct net_device *dev); static struct ethtool_ops netdev_ethtool_ops; -static dev_info_t dev_info = "fmvj18x_cs"; -static dev_link_t *dev_list; - /* card type */ @@ -131,10 +125,9 @@ typedef struct local_info_t { u_short tx_queue_len; cardtype_t cardtype; u_short sent; - u_char mc_filter[8]; } local_info_t; -#define MC_FILTERBREAK 8 +#define MC_FILTERBREAK 64 /*====================================================================*/ /* @@ -235,20 +228,18 @@ typedef struct local_info_t { #define BANK_1U 0x24 /* bank 1 (CONFIG_1) */ #define BANK_2U 0x28 /* bank 2 (CONFIG_1) */ -static dev_link_t *fmvj18x_attach(void) +static int fmvj18x_attach(struct pcmcia_device *p_dev) { local_info_t *lp; dev_link_t *link; struct net_device *dev; - client_reg_t client_reg; - int ret; - + DEBUG(0, "fmvj18x_attach()\n"); /* Make up a FMVJ18x specific data structure */ dev = alloc_etherdev(sizeof(local_info_t)); if (!dev) - return NULL; + return -ENOMEM; lp = netdev_priv(dev); link = &lp->link; link->priv = dev; @@ -263,7 +254,7 @@ static dev_link_t *fmvj18x_attach(void) link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = &fjn_interrupt; link->irq.Instance = dev; - + /* General socket configuration */ link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.Vcc = 50; @@ -282,37 +273,24 @@ static dev_link_t *fmvj18x_attach(void) dev->watchdog_timeo = TX_TIMEOUT; #endif SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); - - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - fmvj18x_detach(link); - return NULL; - } - return link; + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + fmvj18x_config(link); + + return 0; } /* fmvj18x_attach */ /*====================================================================*/ -static void fmvj18x_detach(dev_link_t *link) +static void fmvj18x_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; - + DEBUG(0, "fmvj18x_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; if (link->dev) unregister_netdev(dev); @@ -320,12 +298,6 @@ static void fmvj18x_detach(dev_link_t *link) if (link->state & DEV_CONFIG) fmvj18x_release(link); - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, free pieces */ - *linkp = link->next; free_netdev(dev); } /* fmvj18x_detach */ @@ -714,51 +686,40 @@ static void fmvj18x_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/*====================================================================*/ - -static int fmvj18x_event(event_t event, int priority, - event_callback_args_t *args) +static int fmvj18x_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - struct net_device *dev = link->priv; + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; - DEBUG(1, "fmvj18x_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - fmvj18x_config(link); - break; - case CS_EVENT_PM_SUSPEND: link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); + if (link->open) + netif_device_detach(dev); + pcmcia_release_configuration(link->handle); } - break; - case CS_EVENT_PM_RESUME: + + + return 0; +} + +static int fmvj18x_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - fjn_reset(dev); - netif_device_attach(dev); - } + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + fjn_reset(dev); + netif_device_attach(dev); + } } - break; - } - return 0; -} /* fmvj18x_event */ + + return 0; +} + +/*====================================================================*/ static struct pcmcia_device_id fmvj18x_ids[] = { PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004), @@ -790,10 +751,11 @@ static struct pcmcia_driver fmvj18x_cs_driver = { .drv = { .name = "fmvj18x_cs", }, - .attach = fmvj18x_attach, - .event = fmvj18x_event, - .detach = fmvj18x_detach, + .probe = fmvj18x_attach, + .remove = fmvj18x_detach, .id_table = fmvj18x_ids, + .suspend = fmvj18x_suspend, + .resume = fmvj18x_resume, }; static int __init init_fmvj18x_cs(void) @@ -804,7 +766,6 @@ static int __init init_fmvj18x_cs(void) static void __exit exit_fmvj18x_cs(void) { pcmcia_unregister_driver(&fmvj18x_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_fmvj18x_cs); @@ -1005,15 +966,8 @@ static void fjn_reset(struct net_device *dev) for (i = 0; i < 6; i++) outb(dev->dev_addr[i], ioaddr + NODE_ID + i); - /* Switch to bank 1 */ - if (lp->cardtype == MBH10302) - outb(BANK_1, ioaddr + CONFIG_1); - else - outb(BANK_1U, ioaddr + CONFIG_1); - - /* set the multicast table to accept none. */ - for (i = 0; i < 8; i++) - outb(0x00, ioaddr + MAR_ADR + i); + /* (re)initialize the multicast table */ + set_rx_mode(dev); /* Switch to bank 2 (runtime mode) */ if (lp->cardtype == MBH10302) @@ -1264,11 +1218,11 @@ static struct net_device_stats *fjn_get_stats(struct net_device *dev) static void set_rx_mode(struct net_device *dev) { kio_addr_t ioaddr = dev->base_addr; - struct local_info_t *lp = netdev_priv(dev); u_char mc_filter[8]; /* Multicast hash filter */ u_long flags; int i; + int saved_bank; int saved_config_0 = inb(ioaddr + CONFIG_0); local_irq_save(flags); @@ -1306,15 +1260,13 @@ static void set_rx_mode(struct net_device *dev) outb(2, ioaddr + RX_MODE); /* Use normal mode. */ } - if (memcmp(mc_filter, lp->mc_filter, sizeof(mc_filter))) { - int saved_bank = inb(ioaddr + CONFIG_1); - /* Switch to bank 1 and set the multicast table. */ - outb(0xe4, ioaddr + CONFIG_1); - for (i = 0; i < 8; i++) - outb(mc_filter[i], ioaddr + MAR_ADR + i); - memcpy(lp->mc_filter, mc_filter, sizeof(mc_filter)); - outb(saved_bank, ioaddr + CONFIG_1); - } + /* Switch to bank 1 and set the multicast table. */ + saved_bank = inb(ioaddr + CONFIG_1); + outb(0xe4, ioaddr + CONFIG_1); + + for (i = 0; i < 8; i++) + outb(mc_filter[i], ioaddr + MAR_ADR + i); + outb(saved_bank, ioaddr + CONFIG_1); outb(saved_config_0, ioaddr + CONFIG_0); diff --git a/drivers/net/pcmcia/ibmtr_cs.c b/drivers/net/pcmcia/ibmtr_cs.c index b6c140eb979..b9c7e39576f 100644 --- a/drivers/net/pcmcia/ibmtr_cs.c +++ b/drivers/net/pcmcia/ibmtr_cs.c @@ -108,15 +108,7 @@ MODULE_LICENSE("GPL"); static void ibmtr_config(dev_link_t *link); static void ibmtr_hw_setup(struct net_device *dev, u_int mmiobase); static void ibmtr_release(dev_link_t *link); -static int ibmtr_event(event_t event, int priority, - event_callback_args_t *args); - -static dev_info_t dev_info = "ibmtr_cs"; - -static dev_link_t *ibmtr_attach(void); -static void ibmtr_detach(dev_link_t *); - -static dev_link_t *dev_list; +static void ibmtr_detach(struct pcmcia_device *p_dev); /*====================================================================*/ @@ -146,25 +138,23 @@ static struct ethtool_ops netdev_ethtool_ops = { ======================================================================*/ -static dev_link_t *ibmtr_attach(void) +static int ibmtr_attach(struct pcmcia_device *p_dev) { ibmtr_dev_t *info; dev_link_t *link; struct net_device *dev; - client_reg_t client_reg; - int ret; DEBUG(0, "ibmtr_attach()\n"); /* Create new token-ring device */ info = kmalloc(sizeof(*info), GFP_KERNEL); - if (!info) return NULL; + if (!info) return -ENOMEM; memset(info,0,sizeof(*info)); dev = alloc_trdev(sizeof(struct tok_info)); - if (!dev) { - kfree(info); - return NULL; - } + if (!dev) { + kfree(info); + return -ENOMEM; + } link = &info->link; link->priv = info; @@ -185,25 +175,13 @@ static dev_link_t *ibmtr_attach(void) SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - goto out_detach; - } + link->handle = p_dev; + p_dev->instance = link; -out: - return link; + link->state |= DEV_PRESENT; + ibmtr_config(link); -out_detach: - ibmtr_detach(link); - link = NULL; - goto out; + return 0; } /* ibmtr_attach */ /*====================================================================== @@ -215,22 +193,14 @@ out_detach: ======================================================================*/ -static void ibmtr_detach(dev_link_t *link) +static void ibmtr_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct ibmtr_dev_t *info = link->priv; - dev_link_t **linkp; - struct net_device *dev; + struct net_device *dev = info->dev; DEBUG(0, "ibmtr_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - - dev = info->dev; - if (link->dev) unregister_netdev(dev); @@ -241,13 +211,8 @@ static void ibmtr_detach(dev_link_t *link) if (link->state & DEV_CONFIG) ibmtr_release(link); - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); - kfree(info); + kfree(info); } /* ibmtr_detach */ /*====================================================================== @@ -401,63 +366,40 @@ static void ibmtr_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/*====================================================================== +static int ibmtr_suspend(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + ibmtr_dev_t *info = link->priv; + struct net_device *dev = info->dev; - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + if (link->open) + netif_device_detach(dev); + pcmcia_release_configuration(link->handle); + } -======================================================================*/ + return 0; +} -static int ibmtr_event(event_t event, int priority, - event_callback_args_t *args) +static int ibmtr_resume(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - ibmtr_dev_t *info = link->priv; - struct net_device *dev = info->dev; + dev_link_t *link = dev_to_instance(p_dev); + ibmtr_dev_t *info = link->priv; + struct net_device *dev = info->dev; - DEBUG(1, "ibmtr_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - /* set flag to bypass normal interrupt code */ - struct tok_info *priv = netdev_priv(dev); - priv->sram_phys |= 1; - netif_device_detach(dev); - } - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT; - ibmtr_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: + link->state &= ~DEV_SUSPEND; if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + ibmtr_probe(dev); /* really? */ + netif_device_attach(dev); + } } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - ibmtr_probe(dev); /* really? */ - netif_device_attach(dev); - } - } - break; - } - return 0; -} /* ibmtr_event */ + + return 0; +} + /*====================================================================*/ @@ -514,10 +456,11 @@ static struct pcmcia_driver ibmtr_cs_driver = { .drv = { .name = "ibmtr_cs", }, - .attach = ibmtr_attach, - .event = ibmtr_event, - .detach = ibmtr_detach, + .probe = ibmtr_attach, + .remove = ibmtr_detach, .id_table = ibmtr_ids, + .suspend = ibmtr_suspend, + .resume = ibmtr_resume, }; static int __init init_ibmtr_cs(void) @@ -528,7 +471,6 @@ static int __init init_ibmtr_cs(void) static void __exit exit_ibmtr_cs(void) { pcmcia_unregister_driver(&ibmtr_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_ibmtr_cs); diff --git a/drivers/net/pcmcia/nmclan_cs.c b/drivers/net/pcmcia/nmclan_cs.c index 980d7e5d66c..4a232254a49 100644 --- a/drivers/net/pcmcia/nmclan_cs.c +++ b/drivers/net/pcmcia/nmclan_cs.c @@ -388,9 +388,6 @@ static char *version = DRV_NAME " " DRV_VERSION " (Roger C. Pao)"; #endif -static dev_info_t dev_info="nmclan_cs"; -static dev_link_t *dev_list; - static char *if_names[]={ "Auto", "10baseT", "BNC", }; @@ -422,8 +419,6 @@ Function Prototypes static void nmclan_config(dev_link_t *link); static void nmclan_release(dev_link_t *link); -static int nmclan_event(event_t event, int priority, - event_callback_args_t *args); static void nmclan_reset(struct net_device *dev); static int mace_config(struct net_device *dev, struct ifmap *map); @@ -439,8 +434,7 @@ static void set_multicast_list(struct net_device *dev); static struct ethtool_ops netdev_ethtool_ops; -static dev_link_t *nmclan_attach(void); -static void nmclan_detach(dev_link_t *); +static void nmclan_detach(struct pcmcia_device *p_dev); /* ---------------------------------------------------------------------------- nmclan_attach @@ -449,13 +443,11 @@ nmclan_attach Services. ---------------------------------------------------------------------------- */ -static dev_link_t *nmclan_attach(void) +static int nmclan_attach(struct pcmcia_device *p_dev) { mace_private *lp; dev_link_t *link; struct net_device *dev; - client_reg_t client_reg; - int ret; DEBUG(0, "nmclan_attach()\n"); DEBUG(1, "%s\n", rcsid); @@ -463,7 +455,7 @@ static dev_link_t *nmclan_attach(void) /* Create new ethernet device */ dev = alloc_etherdev(sizeof(mace_private)); if (!dev) - return NULL; + return -ENOMEM; lp = netdev_priv(dev); link = &lp->link; link->priv = dev; @@ -497,20 +489,13 @@ static dev_link_t *nmclan_attach(void) dev->watchdog_timeo = TX_TIMEOUT; #endif - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - nmclan_detach(link); - return NULL; - } + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + nmclan_config(link); - return link; + return 0; } /* nmclan_attach */ /* ---------------------------------------------------------------------------- @@ -521,30 +506,19 @@ nmclan_detach when the device is released. ---------------------------------------------------------------------------- */ -static void nmclan_detach(dev_link_t *link) +static void nmclan_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "nmclan_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) nmclan_release(link); - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* nmclan_detach */ @@ -801,59 +775,39 @@ static void nmclan_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/* ---------------------------------------------------------------------------- -nmclan_event - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. ----------------------------------------------------------------------------- */ -static int nmclan_event(event_t event, int priority, - event_callback_args_t *args) +static int nmclan_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - struct net_device *dev = link->priv; + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + if (link->open) + netif_device_detach(dev); + pcmcia_release_configuration(link->handle); + } - DEBUG(1, "nmclan_event(0x%06x)\n", event); - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - nmclan_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); - } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - nmclan_reset(dev); - netif_device_attach(dev); + return 0; +} + +static int nmclan_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + nmclan_reset(dev); + netif_device_attach(dev); + } } - } - break; - case CS_EVENT_RESET_REQUEST: - return 1; - break; - } - return 0; -} /* nmclan_event */ + + return 0; +} + /* ---------------------------------------------------------------------------- nmclan_reset @@ -1681,10 +1635,11 @@ static struct pcmcia_driver nmclan_cs_driver = { .drv = { .name = "nmclan_cs", }, - .attach = nmclan_attach, - .event = nmclan_event, - .detach = nmclan_detach, + .probe = nmclan_attach, + .remove = nmclan_detach, .id_table = nmclan_ids, + .suspend = nmclan_suspend, + .resume = nmclan_resume, }; static int __init init_nmclan_cs(void) @@ -1695,7 +1650,6 @@ static int __init init_nmclan_cs(void) static void __exit exit_nmclan_cs(void) { pcmcia_unregister_driver(&nmclan_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_nmclan_cs); diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index 818c185d643..d85b758f3ef 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -105,8 +105,6 @@ module_param_array(hw_addr, int, NULL, 0); static void mii_phy_probe(struct net_device *dev); static void pcnet_config(dev_link_t *link); static void pcnet_release(dev_link_t *link); -static int pcnet_event(event_t event, int priority, - event_callback_args_t *args); static int pcnet_open(struct net_device *dev); static int pcnet_close(struct net_device *dev); static int ei_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); @@ -120,11 +118,9 @@ static int setup_shmem_window(dev_link_t *link, int start_pg, static int setup_dma_config(dev_link_t *link, int start_pg, int stop_pg); -static dev_link_t *pcnet_attach(void); -static void pcnet_detach(dev_link_t *); +static void pcnet_detach(struct pcmcia_device *p_dev); static dev_info_t dev_info = "pcnet_cs"; -static dev_link_t *dev_list; /*====================================================================*/ @@ -244,19 +240,17 @@ static inline pcnet_dev_t *PRIV(struct net_device *dev) ======================================================================*/ -static dev_link_t *pcnet_attach(void) +static int pcnet_probe(struct pcmcia_device *p_dev) { pcnet_dev_t *info; dev_link_t *link; struct net_device *dev; - client_reg_t client_reg; - int ret; DEBUG(0, "pcnet_attach()\n"); /* Create new ethernet device */ dev = __alloc_ei_netdev(sizeof(pcnet_dev_t)); - if (!dev) return NULL; + if (!dev) return -ENOMEM; info = PRIV(dev); link = &info->link; link->priv = dev; @@ -271,20 +265,13 @@ static dev_link_t *pcnet_attach(void) dev->stop = &pcnet_close; dev->set_config = &set_config; - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != CS_SUCCESS) { - cs_error(link->handle, RegisterClient, ret); - pcnet_detach(link); - return NULL; - } + link->handle = p_dev; + p_dev->instance = link; - return link; + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + pcnet_config(link); + + return 0; } /* pcnet_attach */ /*====================================================================== @@ -296,31 +283,20 @@ static dev_link_t *pcnet_attach(void) ======================================================================*/ -static void pcnet_detach(dev_link_t *link) +static void pcnet_detach(struct pcmcia_device *p_dev) { - struct net_device *dev = link->priv; - dev_link_t **linkp; - - DEBUG(0, "pcnet_detach(0x%p)\n", link); + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; + DEBUG(0, "pcnet_detach(0x%p)\n", link); - if (link->dev) - unregister_netdev(dev); + if (link->dev) + unregister_netdev(dev); - if (link->state & DEV_CONFIG) - pcnet_release(link); - - if (link->handle) - pcmcia_deregister_client(link->handle); + if (link->state & DEV_CONFIG) + pcnet_release(link); - /* Unlink device structure, free bits */ - *linkp = link->next; - free_netdev(dev); + free_netdev(dev); } /* pcnet_detach */ /*====================================================================== @@ -780,50 +756,39 @@ static void pcnet_release(dev_link_t *link) ======================================================================*/ -static int pcnet_event(event_t event, int priority, - event_callback_args_t *args) +static int pcnet_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - struct net_device *dev = link->priv; + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; - DEBUG(2, "pcnet_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - pcnet_config(link); - break; - case CS_EVENT_PM_SUSPEND: link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); + if (link->open) + netif_device_detach(dev); + pcmcia_release_configuration(link->handle); } - break; - case CS_EVENT_PM_RESUME: + + return 0; +} + +static int pcnet_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - pcnet_reset_8390(dev); - NS8390_init(dev, 1); - netif_device_attach(dev); - } + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + pcnet_reset_8390(dev); + NS8390_init(dev, 1); + netif_device_attach(dev); + } } - break; - } - return 0; -} /* pcnet_event */ + + return 0; +} + /*====================================================================== @@ -1844,11 +1809,12 @@ static struct pcmcia_driver pcnet_driver = { .drv = { .name = "pcnet_cs", }, - .attach = pcnet_attach, - .event = pcnet_event, - .detach = pcnet_detach, + .probe = pcnet_probe, + .remove = pcnet_detach, .owner = THIS_MODULE, .id_table = pcnet_ids, + .suspend = pcnet_suspend, + .resume = pcnet_resume, }; static int __init init_pcnet_cs(void) @@ -1860,7 +1826,6 @@ static void __exit exit_pcnet_cs(void) { DEBUG(0, "pcnet_cs: unloading\n"); pcmcia_unregister_driver(&pcnet_driver); - BUG_ON(dev_list != NULL); } module_init(init_pcnet_cs); diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c index c7cca842e5e..0122415dfee 100644 --- a/drivers/net/pcmcia/smc91c92_cs.c +++ b/drivers/net/pcmcia/smc91c92_cs.c @@ -102,10 +102,6 @@ static const char *version = currently have room for another Tx packet. */ #define MEMORY_WAIT_TIME 8 -static dev_info_t dev_info = "smc91c92_cs"; - -static dev_link_t *dev_list; - struct smc_private { dev_link_t link; spinlock_t lock; @@ -281,12 +277,9 @@ enum RxCfg { RxAllMulti = 0x0004, RxPromisc = 0x0002, /*====================================================================*/ -static dev_link_t *smc91c92_attach(void); -static void smc91c92_detach(dev_link_t *); +static void smc91c92_detach(struct pcmcia_device *p_dev); static void smc91c92_config(dev_link_t *link); static void smc91c92_release(dev_link_t *link); -static int smc91c92_event(event_t event, int priority, - event_callback_args_t *args); static int smc_open(struct net_device *dev); static int smc_close(struct net_device *dev); @@ -315,20 +308,18 @@ static struct ethtool_ops ethtool_ops; ======================================================================*/ -static dev_link_t *smc91c92_attach(void) +static int smc91c92_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; struct smc_private *smc; dev_link_t *link; struct net_device *dev; - int ret; DEBUG(0, "smc91c92_attach()\n"); /* Create new ethernet device */ dev = alloc_etherdev(sizeof(struct smc_private)); if (!dev) - return NULL; + return -ENOMEM; smc = netdev_priv(dev); link = &smc->link; link->priv = dev; @@ -366,20 +357,13 @@ static dev_link_t *smc91c92_attach(void) smc->mii_if.phy_id_mask = 0x1f; smc->mii_if.reg_num_mask = 0x1f; - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - smc91c92_detach(link); - return NULL; - } + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + smc91c92_config(link); - return link; + return 0; } /* smc91c92_attach */ /*====================================================================== @@ -391,30 +375,19 @@ static dev_link_t *smc91c92_attach(void) ======================================================================*/ -static void smc91c92_detach(dev_link_t *link) +static void smc91c92_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "smc91c92_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) smc91c92_release(link); - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* smc91c92_detach */ @@ -895,6 +868,62 @@ free_cfg_mem: return rc; } +static int smc91c92_suspend(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + if (link->open) + netif_device_detach(dev); + pcmcia_release_configuration(link->handle); + } + + return 0; +} + +static int smc91c92_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + struct smc_private *smc = netdev_priv(dev); + int i; + + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + if ((smc->manfid == MANFID_MEGAHERTZ) && + (smc->cardid == PRODID_MEGAHERTZ_EM3288)) + mhz_3288_power(link); + pcmcia_request_configuration(link->handle, &link->conf); + if (smc->manfid == MANFID_MOTOROLA) + mot_config(link); + if ((smc->manfid == MANFID_OSITECH) && + (smc->cardid != PRODID_OSITECH_SEVEN)) { + /* Power up the card and enable interrupts */ + set_bits(0x0300, dev->base_addr-0x10+OSITECH_AUI_PWR); + set_bits(0x0300, dev->base_addr-0x10+OSITECH_RESET_ISR); + } + if (((smc->manfid == MANFID_OSITECH) && + (smc->cardid == PRODID_OSITECH_SEVEN)) || + ((smc->manfid == MANFID_PSION) && + (smc->cardid == PRODID_PSION_NET100))) { + /* Download the Seven of Diamonds firmware */ + for (i = 0; i < sizeof(__Xilinx7OD); i++) { + outb(__Xilinx7OD[i], link->io.BasePort1+2); + udelay(50); + } + } + if (link->open) { + smc_reset(dev); + netif_device_attach(dev); + } + } + + return 0; +} + + /*====================================================================== This verifies that the chip is some SMC91cXX variant, and returns @@ -935,14 +964,12 @@ static int check_sig(dev_link_t *link) } if (width) { - event_callback_args_t args; printk(KERN_INFO "smc91c92_cs: using 8-bit IO window.\n"); - args.client_data = link; - smc91c92_event(CS_EVENT_RESET_PHYSICAL, 0, &args); + smc91c92_suspend(link->handle); pcmcia_release_io(link->handle, &link->io); link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; pcmcia_request_io(link->handle, &link->io); - smc91c92_event(CS_EVENT_CARD_RESET, 0, &args); + smc91c92_resume(link->handle); return check_sig(link); } return -ENODEV; @@ -1172,82 +1199,6 @@ static void smc91c92_release(dev_link_t *link) /*====================================================================== - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. - -======================================================================*/ - -static int smc91c92_event(event_t event, int priority, - event_callback_args_t *args) -{ - dev_link_t *link = args->client_data; - struct net_device *dev = link->priv; - struct smc_private *smc = netdev_priv(dev); - int i; - - DEBUG(1, "smc91c92_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - smc91c92_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); - } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - if ((smc->manfid == MANFID_MEGAHERTZ) && - (smc->cardid == PRODID_MEGAHERTZ_EM3288)) - mhz_3288_power(link); - pcmcia_request_configuration(link->handle, &link->conf); - if (smc->manfid == MANFID_MOTOROLA) - mot_config(link); - if ((smc->manfid == MANFID_OSITECH) && - (smc->cardid != PRODID_OSITECH_SEVEN)) { - /* Power up the card and enable interrupts */ - set_bits(0x0300, dev->base_addr-0x10+OSITECH_AUI_PWR); - set_bits(0x0300, dev->base_addr-0x10+OSITECH_RESET_ISR); - } - if (((smc->manfid == MANFID_OSITECH) && - (smc->cardid == PRODID_OSITECH_SEVEN)) || - ((smc->manfid == MANFID_PSION) && - (smc->cardid == PRODID_PSION_NET100))) { - /* Download the Seven of Diamonds firmware */ - for (i = 0; i < sizeof(__Xilinx7OD); i++) { - outb(__Xilinx7OD[i], link->io.BasePort1+2); - udelay(50); - } - } - if (link->open) { - smc_reset(dev); - netif_device_attach(dev); - } - } - break; - } - return 0; -} /* smc91c92_event */ - -/*====================================================================== - MII interface support for SMC91cXX based cards ======================================================================*/ @@ -2360,10 +2311,11 @@ static struct pcmcia_driver smc91c92_cs_driver = { .drv = { .name = "smc91c92_cs", }, - .attach = smc91c92_attach, - .event = smc91c92_event, - .detach = smc91c92_detach, + .probe = smc91c92_attach, + .remove = smc91c92_detach, .id_table = smc91c92_ids, + .suspend = smc91c92_suspend, + .resume = smc91c92_resume, }; static int __init init_smc91c92_cs(void) @@ -2374,7 +2326,6 @@ static int __init init_smc91c92_cs(void) static void __exit exit_smc91c92_cs(void) { pcmcia_unregister_driver(&smc91c92_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_smc91c92_cs); diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index ce143f08638..593d8adee89 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -292,8 +292,6 @@ static void mii_wr(kio_addr_t ioaddr, u_char phyaddr, u_char phyreg, static int has_ce2_string(dev_link_t * link); static void xirc2ps_config(dev_link_t * link); static void xirc2ps_release(dev_link_t * link); -static int xirc2ps_event(event_t event, int priority, - event_callback_args_t * args); /**************** * The attach() and detach() entry points are used to create and destroy @@ -301,8 +299,7 @@ static int xirc2ps_event(event_t event, int priority, * needed to manage one actual PCMCIA card. */ -static dev_link_t *xirc2ps_attach(void); -static void xirc2ps_detach(dev_link_t *); +static void xirc2ps_detach(struct pcmcia_device *p_dev); /**************** * You'll also need to prototype all the functions that will actually @@ -313,14 +310,6 @@ static void xirc2ps_detach(dev_link_t *); static irqreturn_t xirc2ps_interrupt(int irq, void *dev_id, struct pt_regs *regs); -/* - * The dev_info variable is the "key" that is used to match up this - * device driver with appropriate cards, through the card configuration - * database. - */ - -static dev_info_t dev_info = "xirc2ps_cs"; - /**************** * A linked list of "instances" of the device. Each actual * PCMCIA card corresponds to one device instance, and is described @@ -331,15 +320,7 @@ static dev_info_t dev_info = "xirc2ps_cs"; * device numbers are used to derive the corresponding array index. */ -static dev_link_t *dev_list; - /**************** - * A dev_link_t structure has fields for most things that are needed - * to keep track of a socket, but there will usually be some device - * specific information that also needs to be kept track of. The - * 'priv' pointer in a dev_link_t structure can be used to point to - * a device-specific private data structure, like this. - * * A driver needs to provide a dev_node_t structure for each device * on a card. In some cases, there is only one device per card (for * example, ethernet cards, modems). In other cases, there may be @@ -571,21 +552,19 @@ mii_wr(kio_addr_t ioaddr, u_char phyaddr, u_char phyreg, unsigned data, int len) * card insertion event. */ -static dev_link_t * -xirc2ps_attach(void) +static int +xirc2ps_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; struct net_device *dev; local_info_t *local; - int err; DEBUG(0, "attach()\n"); /* Allocate the device structure */ dev = alloc_etherdev(sizeof(local_info_t)); if (!dev) - return NULL; + return -ENOMEM; local = netdev_priv(dev); link = &local->link; link->priv = dev; @@ -614,19 +593,13 @@ xirc2ps_attach(void) dev->watchdog_timeo = TX_TIMEOUT; #endif - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - if ((err = pcmcia_register_client(&link->handle, &client_reg))) { - cs_error(link->handle, RegisterClient, err); - xirc2ps_detach(link); - return NULL; - } + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + xirc2ps_config(link); - return link; + return 0; } /* xirc2ps_attach */ /**************** @@ -637,40 +610,19 @@ xirc2ps_attach(void) */ static void -xirc2ps_detach(dev_link_t * link) +xirc2ps_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) - break; - if (!*linkp) { - DEBUG(0, "detach(0x%p): dev_link lost\n", link); - return; - } - if (link->dev) unregister_netdev(dev); - /* - * If the device is currently configured and active, we won't - * actually delete it yet. Instead, it is marked so that when - * the release() function is called, that will trigger a proper - * detach(). - */ if (link->state & DEV_CONFIG) xirc2ps_release(link); - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, free it */ - *linkp = link->next; free_netdev(dev); } /* xirc2ps_detach */ @@ -1157,67 +1109,41 @@ xirc2ps_release(dev_link_t *link) /*====================================================================*/ -/**************** - * The card status event handler. Mostly, this schedules other - * stuff to run after an event is received. A CARD_REMOVAL event - * also sets some flags to discourage the net drivers from trying - * to talk to the card any more. - * - * When a CARD_REMOVAL event is received, we immediately set a flag - * to block future accesses to this device. All the functions that - * actually access the device should check this flag to make sure - * the card is still present. - */ -static int -xirc2ps_event(event_t event, int priority, - event_callback_args_t * args) +static int xirc2ps_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - struct net_device *dev = link->priv; - - DEBUG(0, "event(%d)\n", (int)event); + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; - switch (event) { - case CS_EVENT_REGISTRATION_COMPLETE: - DEBUG(0, "registration complete\n"); - break; - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) - netif_device_detach(dev); - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - xirc2ps_config(link); - break; - case CS_EVENT_PM_SUSPEND: link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: if (link->state & DEV_CONFIG) { - if (link->open) { - netif_device_detach(dev); - do_powerdown(dev); - } - pcmcia_release_configuration(link->handle); + if (link->open) { + netif_device_detach(dev); + do_powerdown(dev); + } + pcmcia_release_configuration(link->handle); } - break; - case CS_EVENT_PM_RESUME: + + return 0; +} + +static int xirc2ps_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - do_reset(dev,1); - netif_device_attach(dev); - } + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + do_reset(dev,1); + netif_device_attach(dev); + } } - break; - } - return 0; -} /* xirc2ps_event */ + + return 0; +} + /*====================================================================*/ @@ -1672,7 +1598,7 @@ do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch(cmd) { case SIOCGMIIPHY: /* Get the address of the PHY in use. */ data[0] = 0; /* we have only this address */ - /* fall trough */ + /* fall through */ case SIOCGMIIREG: /* Read the specified MII register. */ data[3] = mii_rd(ioaddr, data[0] & 0x1f, data[1] & 0x1f); break; @@ -2009,10 +1935,11 @@ static struct pcmcia_driver xirc2ps_cs_driver = { .drv = { .name = "xirc2ps_cs", }, - .attach = xirc2ps_attach, - .event = xirc2ps_event, - .detach = xirc2ps_detach, + .probe = xirc2ps_attach, + .remove = xirc2ps_detach, .id_table = xirc2ps_ids, + .suspend = xirc2ps_suspend, + .resume = xirc2ps_resume, }; static int __init @@ -2025,7 +1952,6 @@ static void __exit exit_xirc2ps_cs(void) { pcmcia_unregister_driver(&xirc2ps_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_xirc2ps_cs); diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c index be319229f54..8f6cf8c896a 100644 --- a/drivers/net/pcnet32.c +++ b/drivers/net/pcnet32.c @@ -1251,12 +1251,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) if (memcmp(promaddr, dev->dev_addr, 6) || !is_valid_ether_addr(dev->dev_addr)) { -#ifndef __powerpc__ if (is_valid_ether_addr(promaddr)) { -#else - if (!is_valid_ether_addr(dev->dev_addr) - && is_valid_ether_addr(promaddr)) { -#endif if (pcnet32_debug & NETIF_MSG_PROBE) { printk(" warning: CSR address invalid,\n"); printk(KERN_INFO " using instead PROM address of"); diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index c782a632980..fa39b944bc4 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -6,7 +6,7 @@ menu "PHY device support" config PHYLIB tristate "PHY Device support and infrastructure" - depends on NET_ETHERNET && (BROKEN || !ARCH_S390) + depends on NET_ETHERNET && (BROKEN || !S390) help Ethernet controllers are usually attached to PHY devices. This option provides infrastructure for diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 02940c0fef6..459443b572c 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -81,7 +81,7 @@ int mdiobus_register(struct mii_bus *bus) phydev->dev.parent = bus->dev; phydev->dev.bus = &mdio_bus_type; - sprintf(phydev->dev.bus_id, "phy%d:%d", bus->id, i); + snprintf(phydev->dev.bus_id, BUS_ID_SIZE, PHY_ID_FMT, bus->id, i); phydev->bus = bus; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index b8686e47f89..1474b7c5ac0 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -42,7 +42,7 @@ */ void phy_print_status(struct phy_device *phydev) { - pr_info("%s: Link is %s", phydev->dev.bus_id, + pr_info("PHY: %s - Link is %s", phydev->dev.bus_id, phydev->link ? "Up" : "Down"); if (phydev->link) printk(" - %d/%s", phydev->speed, diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 16bebe7a7ce..7da0e3dd5fe 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -38,6 +38,10 @@ #include <asm/irq.h> #include <asm/uaccess.h> +MODULE_DESCRIPTION("PHY library"); +MODULE_AUTHOR("Andy Fleming"); +MODULE_LICENSE("GPL"); + static struct phy_driver genphy_driver; extern int mdio_bus_init(void); extern void mdio_bus_exit(void); diff --git a/drivers/net/plip.c b/drivers/net/plip.c index 1bd22cd40c7..87ee3271b17 100644 --- a/drivers/net/plip.c +++ b/drivers/net/plip.c @@ -98,7 +98,6 @@ static const char version[] = "NET3 PLIP version 2.4-parport gniibe@mri.co.jp\n" #include <linux/in.h> #include <linux/errno.h> #include <linux/delay.h> -#include <linux/lp.h> #include <linux/init.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> @@ -106,7 +105,6 @@ static const char version[] = "NET3 PLIP version 2.4-parport gniibe@mri.co.jp\n" #include <linux/skbuff.h> #include <linux/if_plip.h> #include <linux/workqueue.h> -#include <linux/ioport.h> #include <linux/spinlock.h> #include <linux/parport.h> #include <linux/bitops.h> diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c index 400f652282d..aa6540b3946 100644 --- a/drivers/net/ppp_async.c +++ b/drivers/net/ppp_async.c @@ -189,7 +189,7 @@ ppp_asynctty_open(struct tty_struct *tty) goto out_free; tty->disc_data = ap; - + tty->receive_room = 65536; return 0; out_free: @@ -343,12 +343,6 @@ ppp_asynctty_poll(struct tty_struct *tty, struct file *file, poll_table *wait) return 0; } -static int -ppp_asynctty_room(struct tty_struct *tty) -{ - return 65535; -} - /* * This can now be called from hard interrupt level as well * as soft interrupt level or mainline. @@ -398,7 +392,6 @@ static struct tty_ldisc ppp_ldisc = { .write = ppp_asynctty_write, .ioctl = ppp_asynctty_ioctl, .poll = ppp_asynctty_poll, - .receive_room = ppp_asynctty_room, .receive_buf = ppp_asynctty_receive, .write_wakeup = ppp_asynctty_wakeup, }; diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 50430f79f8c..1c6d328165b 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -524,9 +524,6 @@ static int get_filter(void __user *arg, struct sock_filter **p) if (copy_from_user(&uprog, arg, sizeof(uprog))) return -EFAULT; - if (uprog.len > BPF_MAXINSNS) - return -EINVAL; - if (!uprog.len) { *p = NULL; return 0; diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c index 4d51c0c8023..33cb8254e79 100644 --- a/drivers/net/ppp_synctty.c +++ b/drivers/net/ppp_synctty.c @@ -237,7 +237,7 @@ ppp_sync_open(struct tty_struct *tty) goto out_free; tty->disc_data = ap; - + tty->receive_room = 65536; return 0; out_free: @@ -384,12 +384,6 @@ ppp_sync_poll(struct tty_struct *tty, struct file *file, poll_table *wait) return 0; } -static int -ppp_sync_room(struct tty_struct *tty) -{ - return 65535; -} - /* * This can now be called from hard interrupt level as well * as soft interrupt level or mainline. @@ -439,7 +433,6 @@ static struct tty_ldisc ppp_sync_ldisc = { .write = ppp_sync_write, .ioctl = ppp_synctty_ioctl, .poll = ppp_sync_poll, - .receive_room = ppp_sync_room, .receive_buf = ppp_sync_receive, .write_wakeup = ppp_sync_wakeup, }; diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c index a842ecc60a3..9369f811075 100644 --- a/drivers/net/pppoe.c +++ b/drivers/net/pppoe.c @@ -85,7 +85,7 @@ static int pppoe_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) static int pppoe_xmit(struct ppp_channel *chan, struct sk_buff *skb); static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb); -static struct proto_ops pppoe_ops; +static const struct proto_ops pppoe_ops; static DEFINE_RWLOCK(pppoe_hash_lock); static struct ppp_channel_ops pppoe_chan_ops; @@ -383,8 +383,6 @@ static int pppoe_rcv(struct sk_buff *skb, { struct pppoe_hdr *ph; struct pppox_sock *po; - struct sock *sk; - int ret; if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr))) goto drop; @@ -395,24 +393,8 @@ static int pppoe_rcv(struct sk_buff *skb, ph = (struct pppoe_hdr *) skb->nh.raw; po = get_item((unsigned long) ph->sid, eth_hdr(skb)->h_source); - if (!po) - goto drop; - - sk = sk_pppox(po); - bh_lock_sock(sk); - - /* Socket state is unknown, must put skb into backlog. */ - if (sock_owned_by_user(sk) != 0) { - sk_add_backlog(sk, skb); - ret = NET_RX_SUCCESS; - } else { - ret = pppoe_rcv_core(sk, skb); - } - - bh_unlock_sock(sk); - sock_put(sk); - - return ret; + if (po != NULL) + return sk_receive_skb(sk_pppox(po), skb); drop: kfree_skb(skb); out: @@ -1081,9 +1063,7 @@ static int __init pppoe_proc_init(void) static inline int pppoe_proc_init(void) { return 0; } #endif /* CONFIG_PROC_FS */ -/* ->ioctl are set at pppox_create */ - -static struct proto_ops pppoe_ops = { +static const struct proto_ops pppoe_ops = { .family = AF_PPPOX, .owner = THIS_MODULE, .release = pppoe_release, @@ -1099,7 +1079,8 @@ static struct proto_ops pppoe_ops = { .getsockopt = sock_no_getsockopt, .sendmsg = pppoe_sendmsg, .recvmsg = pppoe_recvmsg, - .mmap = sock_no_mmap + .mmap = sock_no_mmap, + .ioctl = pppox_ioctl, }; static struct pppox_proto pppoe_proto = { diff --git a/drivers/net/pppox.c b/drivers/net/pppox.c index 0c1e114527f..9315046b3f5 100644 --- a/drivers/net/pppox.c +++ b/drivers/net/pppox.c @@ -68,8 +68,7 @@ EXPORT_SYMBOL(register_pppox_proto); EXPORT_SYMBOL(unregister_pppox_proto); EXPORT_SYMBOL(pppox_unbind_sock); -static int pppox_ioctl(struct socket* sock, unsigned int cmd, - unsigned long arg) +int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { struct sock *sk = sock->sk; struct pppox_sock *po = pppox_sk(sk); @@ -105,6 +104,7 @@ static int pppox_ioctl(struct socket* sock, unsigned int cmd, return rc; } +EXPORT_SYMBOL(pppox_ioctl); static int pppox_create(struct socket *sock, int protocol) { @@ -119,11 +119,7 @@ static int pppox_create(struct socket *sock, int protocol) goto out; rc = pppox_protos[protocol]->create(sock); - if (!rc) { - /* We get to set the ioctl handler. */ - /* For everything else, pppox is just a shell. */ - sock->ops->ioctl = pppox_ioctl; - } + module_put(pppox_protos[protocol]->owner); out: return rc; diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 14a76f7cf90..2e1bed153c3 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -170,7 +170,7 @@ enum phy_version { #define _R(NAME,MAC,MASK) \ { .name = NAME, .mac_version = MAC, .RxConfigMask = MASK } -const static struct { +static const struct { const char *name; u8 mac_version; u32 RxConfigMask; /* Clears the bits supported by this chip */ diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index e57df8dfe6b..89c46787676 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -66,7 +66,7 @@ #include "s2io.h" #include "s2io-regs.h" -#define DRV_VERSION "Version 2.0.9.3" +#define DRV_VERSION "Version 2.0.9.4" /* S2io Driver name & version. */ static char s2io_driver_name[] = "Neterion"; @@ -412,7 +412,7 @@ static int init_shared_mem(struct s2io_nic *nic) config->tx_cfg[i].fifo_len - 1; mac_control->fifos[i].fifo_no = i; mac_control->fifos[i].nic = nic; - mac_control->fifos[i].max_txds = MAX_SKB_FRAGS + 1; + mac_control->fifos[i].max_txds = MAX_SKB_FRAGS + 2; for (j = 0; j < page_num; j++) { int k = 0; @@ -459,6 +459,10 @@ static int init_shared_mem(struct s2io_nic *nic) } } + nic->ufo_in_band_v = kmalloc((sizeof(u64) * size), GFP_KERNEL); + if (!nic->ufo_in_band_v) + return -ENOMEM; + /* Allocation and initialization of RXDs in Rings */ size = 0; for (i = 0; i < config->rx_ring_num; i++) { @@ -731,6 +735,8 @@ static void free_shared_mem(struct s2io_nic *nic) mac_control->stats_mem, mac_control->stats_mem_phy); } + if (nic->ufo_in_band_v) + kfree(nic->ufo_in_band_v); } /** @@ -2003,6 +2009,49 @@ static int start_nic(struct s2io_nic *nic) return SUCCESS; } +/** + * s2io_txdl_getskb - Get the skb from txdl, unmap and return skb + */ +static struct sk_buff *s2io_txdl_getskb(fifo_info_t *fifo_data, TxD_t *txdlp, int get_off) +{ + nic_t *nic = fifo_data->nic; + struct sk_buff *skb; + TxD_t *txds; + u16 j, frg_cnt; + + txds = txdlp; + if (txds->Host_Control == (u64)(long)nic->ufo_in_band_v) { + pci_unmap_single(nic->pdev, (dma_addr_t) + txds->Buffer_Pointer, sizeof(u64), + PCI_DMA_TODEVICE); + txds++; + } + + skb = (struct sk_buff *) ((unsigned long) + txds->Host_Control); + if (!skb) { + memset(txdlp, 0, (sizeof(TxD_t) * fifo_data->max_txds)); + return NULL; + } + pci_unmap_single(nic->pdev, (dma_addr_t) + txds->Buffer_Pointer, + skb->len - skb->data_len, + PCI_DMA_TODEVICE); + frg_cnt = skb_shinfo(skb)->nr_frags; + if (frg_cnt) { + txds++; + for (j = 0; j < frg_cnt; j++, txds++) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[j]; + if (!txds->Buffer_Pointer) + break; + pci_unmap_page(nic->pdev, (dma_addr_t) + txds->Buffer_Pointer, + frag->size, PCI_DMA_TODEVICE); + } + } + txdlp->Host_Control = 0; + return(skb); +} /** * free_tx_buffers - Free all queued Tx buffers @@ -2020,7 +2069,7 @@ static void free_tx_buffers(struct s2io_nic *nic) int i, j; mac_info_t *mac_control; struct config_param *config; - int cnt = 0, frg_cnt; + int cnt = 0; mac_control = &nic->mac_control; config = &nic->config; @@ -2029,38 +2078,11 @@ static void free_tx_buffers(struct s2io_nic *nic) for (j = 0; j < config->tx_cfg[i].fifo_len - 1; j++) { txdp = (TxD_t *) mac_control->fifos[i].list_info[j]. list_virt_addr; - skb = - (struct sk_buff *) ((unsigned long) txdp-> - Host_Control); - if (skb == NULL) { - memset(txdp, 0, sizeof(TxD_t) * - config->max_txds); - continue; + skb = s2io_txdl_getskb(&mac_control->fifos[i], txdp, j); + if (skb) { + dev_kfree_skb(skb); + cnt++; } - frg_cnt = skb_shinfo(skb)->nr_frags; - pci_unmap_single(nic->pdev, (dma_addr_t) - txdp->Buffer_Pointer, - skb->len - skb->data_len, - PCI_DMA_TODEVICE); - if (frg_cnt) { - TxD_t *temp; - temp = txdp; - txdp++; - for (j = 0; j < frg_cnt; j++, txdp++) { - skb_frag_t *frag = - &skb_shinfo(skb)->frags[j]; - pci_unmap_page(nic->pdev, - (dma_addr_t) - txdp-> - Buffer_Pointer, - frag->size, - PCI_DMA_TODEVICE); - } - txdp = temp; - } - dev_kfree_skb(skb); - memset(txdp, 0, sizeof(TxD_t) * config->max_txds); - cnt++; } DBG_PRINT(INTR_DBG, "%s:forcibly freeing %d skbs on FIFO%d\n", @@ -2661,7 +2683,6 @@ static void tx_intr_handler(fifo_info_t *fifo_data) tx_curr_get_info_t get_info, put_info; struct sk_buff *skb; TxD_t *txdlp; - u16 j, frg_cnt; get_info = fifo_data->tx_curr_get_info; put_info = fifo_data->tx_curr_put_info; @@ -2684,8 +2705,7 @@ to loss of link\n"); } } - skb = (struct sk_buff *) ((unsigned long) - txdlp->Host_Control); + skb = s2io_txdl_getskb(fifo_data, txdlp, get_info.offset); if (skb == NULL) { DBG_PRINT(ERR_DBG, "%s: Null skb ", __FUNCTION__); @@ -2693,34 +2713,6 @@ to loss of link\n"); return; } - frg_cnt = skb_shinfo(skb)->nr_frags; - nic->tx_pkt_count++; - - pci_unmap_single(nic->pdev, (dma_addr_t) - txdlp->Buffer_Pointer, - skb->len - skb->data_len, - PCI_DMA_TODEVICE); - if (frg_cnt) { - TxD_t *temp; - temp = txdlp; - txdlp++; - for (j = 0; j < frg_cnt; j++, txdlp++) { - skb_frag_t *frag = - &skb_shinfo(skb)->frags[j]; - if (!txdlp->Buffer_Pointer) - break; - pci_unmap_page(nic->pdev, - (dma_addr_t) - txdlp-> - Buffer_Pointer, - frag->size, - PCI_DMA_TODEVICE); - } - txdlp = temp; - } - memset(txdlp, 0, - (sizeof(TxD_t) * fifo_data->max_txds)); - /* Updating the statistics block */ nic->stats.tx_bytes += skb->len; dev_kfree_skb_irq(skb); @@ -3078,7 +3070,7 @@ int s2io_set_swapper(nic_t * sp) static int wait_for_msix_trans(nic_t *nic, int i) { - XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0; + XENA_dev_config_t __iomem *bar0 = nic->bar0; u64 val64; int ret = 0, cnt = 0; @@ -3099,7 +3091,7 @@ static int wait_for_msix_trans(nic_t *nic, int i) void restore_xmsi_data(nic_t *nic) { - XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0; + XENA_dev_config_t __iomem *bar0 = nic->bar0; u64 val64; int i; @@ -3117,7 +3109,7 @@ void restore_xmsi_data(nic_t *nic) static void store_xmsi_data(nic_t *nic) { - XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0; + XENA_dev_config_t __iomem *bar0 = nic->bar0; u64 val64, addr, data; int i; @@ -3140,7 +3132,7 @@ static void store_xmsi_data(nic_t *nic) int s2io_enable_msi(nic_t *nic) { - XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0; + XENA_dev_config_t __iomem *bar0 = nic->bar0; u16 msi_ctrl, msg_val; struct config_param *config = &nic->config; struct net_device *dev = nic->dev; @@ -3190,7 +3182,7 @@ int s2io_enable_msi(nic_t *nic) int s2io_enable_msi_x(nic_t *nic) { - XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0; + XENA_dev_config_t __iomem *bar0 = nic->bar0; u64 tx_mat, rx_mat; u16 msi_control; /* Temp variable */ int ret, i, j, msix_indx = 1; @@ -3331,7 +3323,7 @@ failed\n", dev->name); s2io_msix_fifo_handle, 0, sp->desc1, sp->s2io_entries[i].arg); DBG_PRINT(ERR_DBG, "%s @ 0x%llx\n", sp->desc1, - sp->msix_info[i].addr); + (unsigned long long)sp->msix_info[i].addr); } else { sprintf(sp->desc2, "%s:MSI-X-%d-RX", dev->name, i); @@ -3339,7 +3331,7 @@ failed\n", dev->name); s2io_msix_ring_handle, 0, sp->desc2, sp->s2io_entries[i].arg); DBG_PRINT(ERR_DBG, "%s @ 0x%llx\n", sp->desc2, - sp->msix_info[i].addr); + (unsigned long long)sp->msix_info[i].addr); } if (err) { DBG_PRINT(ERR_DBG, "%s: MSI-X-%d registration \ @@ -3527,6 +3519,8 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } + txdp->Control_1 = 0; + txdp->Control_2 = 0; #ifdef NETIF_F_TSO mss = skb_shinfo(skb)->tso_size; if (mss) { @@ -3534,19 +3528,13 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) txdp->Control_1 |= TXD_TCP_LSO_MSS(mss); } #endif - - frg_cnt = skb_shinfo(skb)->nr_frags; - frg_len = skb->len - skb->data_len; - - txdp->Buffer_Pointer = pci_map_single - (sp->pdev, skb->data, frg_len, PCI_DMA_TODEVICE); - txdp->Host_Control = (unsigned long) skb; if (skb->ip_summed == CHECKSUM_HW) { txdp->Control_2 |= (TXD_TX_CKO_IPV4_EN | TXD_TX_CKO_TCP_EN | TXD_TX_CKO_UDP_EN); } - + txdp->Control_1 |= TXD_GATHER_CODE_FIRST; + txdp->Control_1 |= TXD_LIST_OWN_XENA; txdp->Control_2 |= config->tx_intr_type; if (sp->vlgrp && vlan_tx_tag_present(skb)) { @@ -3554,10 +3542,40 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) txdp->Control_2 |= TXD_VLAN_TAG(vlan_tag); } - txdp->Control_1 |= (TXD_BUFFER0_SIZE(frg_len) | - TXD_GATHER_CODE_FIRST); - txdp->Control_1 |= TXD_LIST_OWN_XENA; + frg_len = skb->len - skb->data_len; + if (skb_shinfo(skb)->ufo_size) { + int ufo_size; + + ufo_size = skb_shinfo(skb)->ufo_size; + ufo_size &= ~7; + txdp->Control_1 |= TXD_UFO_EN; + txdp->Control_1 |= TXD_UFO_MSS(ufo_size); + txdp->Control_1 |= TXD_BUFFER0_SIZE(8); +#ifdef __BIG_ENDIAN + sp->ufo_in_band_v[put_off] = + (u64)skb_shinfo(skb)->ip6_frag_id; +#else + sp->ufo_in_band_v[put_off] = + (u64)skb_shinfo(skb)->ip6_frag_id << 32; +#endif + txdp->Host_Control = (unsigned long)sp->ufo_in_band_v; + txdp->Buffer_Pointer = pci_map_single(sp->pdev, + sp->ufo_in_band_v, + sizeof(u64), PCI_DMA_TODEVICE); + txdp++; + txdp->Control_1 = 0; + txdp->Control_2 = 0; + } + txdp->Buffer_Pointer = pci_map_single + (sp->pdev, skb->data, frg_len, PCI_DMA_TODEVICE); + txdp->Host_Control = (unsigned long) skb; + txdp->Control_1 |= TXD_BUFFER0_SIZE(frg_len); + + if (skb_shinfo(skb)->ufo_size) + txdp->Control_1 |= TXD_UFO_EN; + + frg_cnt = skb_shinfo(skb)->nr_frags; /* For fragmented SKB. */ for (i = 0; i < frg_cnt; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; @@ -3569,9 +3587,14 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) (sp->pdev, frag->page, frag->page_offset, frag->size, PCI_DMA_TODEVICE); txdp->Control_1 |= TXD_BUFFER0_SIZE(frag->size); + if (skb_shinfo(skb)->ufo_size) + txdp->Control_1 |= TXD_UFO_EN; } txdp->Control_1 |= TXD_GATHER_CODE_LAST; + if (skb_shinfo(skb)->ufo_size) + frg_cnt++; /* as Txd0 was used for inband header */ + tx_fifo = mac_control->tx_FIFO_start[queue]; val64 = mac_control->fifos[queue].list_info[put_off].list_phy_addr; writeq(val64, &tx_fifo->TxDL_Pointer); @@ -3583,6 +3606,8 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) if (mss) val64 |= TX_FIFO_SPECIAL_FUNC; #endif + if (skb_shinfo(skb)->ufo_size) + val64 |= TX_FIFO_SPECIAL_FUNC; writeq(val64, &tx_fifo->List_Control); mmiowb(); @@ -4721,7 +4746,10 @@ static int s2io_eeprom_test(nic_t * sp, uint64_t * data) fail = 1; if (ret_data != 0x012345) { - DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x4F0. Data written %llx Data read %llx\n", dev->name, (u64)0x12345, ret_data); + DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x4F0. " + "Data written %llx Data read %llx\n", + dev->name, (unsigned long long)0x12345, + (unsigned long long)ret_data); fail = 1; } @@ -4740,7 +4768,10 @@ static int s2io_eeprom_test(nic_t * sp, uint64_t * data) fail = 1; if (ret_data != 0x012345) { - DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x7F0. Data written %llx Data read %llx\n", dev->name, (u64)0x12345, ret_data); + DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x7F0. " + "Data written %llx Data read %llx\n", + dev->name, (unsigned long long)0x12345, + (unsigned long long)ret_data); fail = 1; } @@ -5190,6 +5221,8 @@ static struct ethtool_ops netdev_ethtool_ops = { .get_tso = ethtool_op_get_tso, .set_tso = ethtool_op_set_tso, #endif + .get_ufo = ethtool_op_get_ufo, + .set_ufo = ethtool_op_set_ufo, .self_test_count = s2io_ethtool_self_test_count, .self_test = s2io_ethtool_test, .get_strings = s2io_ethtool_get_strings, @@ -5941,7 +5974,8 @@ Defaulting to INTA\n"); break; } } - config->max_txds = MAX_SKB_FRAGS + 1; + /* + 2 because one Txd for skb->data and one Txd for UFO */ + config->max_txds = MAX_SKB_FRAGS + 2; /* Rx side parameters. */ if (rx_ring_sz[0] == 0) @@ -6035,6 +6069,10 @@ Defaulting to INTA\n"); #ifdef NETIF_F_TSO dev->features |= NETIF_F_TSO; #endif + if (sp->device_type & XFRAME_II_DEVICE) { + dev->features |= NETIF_F_UFO; + dev->features |= NETIF_F_HW_CSUM; + } dev->tx_timeout = &s2io_tx_watchdog; dev->watchdog_timeo = WATCH_DOG_TIMEOUT; diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 419aad7f10e..852a6a899d0 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -393,7 +393,9 @@ typedef struct _TxD { #define TXD_GATHER_CODE_LAST BIT(23) #define TXD_TCP_LSO_EN BIT(30) #define TXD_UDP_COF_EN BIT(31) +#define TXD_UFO_EN BIT(31) | BIT(30) #define TXD_TCP_LSO_MSS(val) vBIT(val,34,14) +#define TXD_UFO_MSS(val) vBIT(val,34,14) #define TXD_BUFFER0_SIZE(val) vBIT(val,48,16) u64 Control_2; @@ -789,6 +791,7 @@ struct s2io_nic { spinlock_t rx_lock; atomic_t isr_cnt; + u64 *ufo_in_band_v; }; #define RESET_ERROR 1; diff --git a/drivers/net/sb1000.c b/drivers/net/sb1000.c index d6388e1533f..76139478c3d 100644 --- a/drivers/net/sb1000.c +++ b/drivers/net/sb1000.c @@ -94,7 +94,7 @@ static inline int card_wait_for_busy_clear(const int ioaddr[], const char* name); static inline int card_wait_for_ready(const int ioaddr[], const char* name, unsigned char in[]); -static inline int card_send_command(const int ioaddr[], const char* name, +static int card_send_command(const int ioaddr[], const char* name, const unsigned char out[], unsigned char in[]); /* SB1000 hardware routines to be used during frame rx interrupt */ @@ -309,7 +309,7 @@ card_wait_for_ready(const int ioaddr[], const char* name, unsigned char in[]) } /* Card Send Command (cannot be used during an interrupt) */ -static inline int +static int card_send_command(const int ioaddr[], const char* name, const unsigned char out[], unsigned char in[]) { diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index 478791e09bf..b420182eec4 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -329,7 +329,7 @@ static struct mii_chip_info { { NULL, } }; -const static struct { +static const struct { const char *name; } sis_chip_info[] = { { "SiS 190 PCI Fast Ethernet adapter" }, diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c index 1d4d88680db..3d95fa20cd8 100644 --- a/drivers/net/sis900.c +++ b/drivers/net/sis900.c @@ -1,6 +1,6 @@ /* sis900.c: A SiS 900/7016 PCI Fast Ethernet driver for Linux. Copyright 1999 Silicon Integrated System Corporation - Revision: 1.08.08 Jan. 22 2005 + Revision: 1.08.09 Sep. 19 2005 Modified from the driver which is originally written by Donald Becker. @@ -17,6 +17,7 @@ SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution, preliminary Rev. 1.0 Jan. 18, 1998 + Rev 1.08.09 Sep. 19 2005 Daniele Venzano add Wake on LAN support Rev 1.08.08 Jan. 22 2005 Daniele Venzano use netif_msg for debugging messages Rev 1.08.07 Nov. 2 2003 Daniele Venzano <webvenza@libero.it> add suspend/resume support Rev 1.08.06 Sep. 24 2002 Mufasa Yang bug fix for Tx timeout & add SiS963 support @@ -76,7 +77,7 @@ #include "sis900.h" #define SIS900_MODULE_NAME "sis900" -#define SIS900_DRV_VERSION "v1.08.08 Jan. 22 2005" +#define SIS900_DRV_VERSION "v1.08.09 Sep. 19 2005" static char version[] __devinitdata = KERN_INFO "sis900.c: " SIS900_DRV_VERSION "\n"; @@ -538,6 +539,11 @@ static int __devinit sis900_probe(struct pci_dev *pci_dev, printk("%2.2x:", (u8)net_dev->dev_addr[i]); printk("%2.2x.\n", net_dev->dev_addr[i]); + /* Detect Wake on Lan support */ + ret = inl(CFGPMC & PMESP); + if (netif_msg_probe(sis_priv) && (ret & PME_D3C) == 0) + printk(KERN_INFO "%s: Wake on LAN only available from suspend to RAM.", net_dev->name); + return 0; err_unmap_rx: @@ -2015,6 +2021,67 @@ static int sis900_nway_reset(struct net_device *net_dev) return mii_nway_restart(&sis_priv->mii_info); } +/** + * sis900_set_wol - Set up Wake on Lan registers + * @net_dev: the net device to probe + * @wol: container for info passed to the driver + * + * Process ethtool command "wol" to setup wake on lan features. + * SiS900 supports sending WoL events if a correct packet is received, + * but there is no simple way to filter them to only a subset (broadcast, + * multicast, unicast or arp). + */ + +static int sis900_set_wol(struct net_device *net_dev, struct ethtool_wolinfo *wol) +{ + struct sis900_private *sis_priv = net_dev->priv; + long pmctrl_addr = net_dev->base_addr + pmctrl; + u32 cfgpmcsr = 0, pmctrl_bits = 0; + + if (wol->wolopts == 0) { + pci_read_config_dword(sis_priv->pci_dev, CFGPMCSR, &cfgpmcsr); + cfgpmcsr |= ~PME_EN; + pci_write_config_dword(sis_priv->pci_dev, CFGPMCSR, cfgpmcsr); + outl(pmctrl_bits, pmctrl_addr); + if (netif_msg_wol(sis_priv)) + printk(KERN_DEBUG "%s: Wake on LAN disabled\n", net_dev->name); + return 0; + } + + if (wol->wolopts & (WAKE_MAGICSECURE | WAKE_UCAST | WAKE_MCAST + | WAKE_BCAST | WAKE_ARP)) + return -EINVAL; + + if (wol->wolopts & WAKE_MAGIC) + pmctrl_bits |= MAGICPKT; + if (wol->wolopts & WAKE_PHY) + pmctrl_bits |= LINKON; + + outl(pmctrl_bits, pmctrl_addr); + + pci_read_config_dword(sis_priv->pci_dev, CFGPMCSR, &cfgpmcsr); + cfgpmcsr |= PME_EN; + pci_write_config_dword(sis_priv->pci_dev, CFGPMCSR, cfgpmcsr); + if (netif_msg_wol(sis_priv)) + printk(KERN_DEBUG "%s: Wake on LAN enabled\n", net_dev->name); + + return 0; +} + +static void sis900_get_wol(struct net_device *net_dev, struct ethtool_wolinfo *wol) +{ + long pmctrl_addr = net_dev->base_addr + pmctrl; + u32 pmctrl_bits; + + pmctrl_bits = inl(pmctrl_addr); + if (pmctrl_bits & MAGICPKT) + wol->wolopts |= WAKE_MAGIC; + if (pmctrl_bits & LINKON) + wol->wolopts |= WAKE_PHY; + + wol->supported = (WAKE_PHY | WAKE_MAGIC); +} + static struct ethtool_ops sis900_ethtool_ops = { .get_drvinfo = sis900_get_drvinfo, .get_msglevel = sis900_get_msglevel, @@ -2023,6 +2090,8 @@ static struct ethtool_ops sis900_ethtool_ops = { .get_settings = sis900_get_settings, .set_settings = sis900_set_settings, .nway_reset = sis900_nway_reset, + .get_wol = sis900_get_wol, + .set_wol = sis900_set_wol }; /** diff --git a/drivers/net/sis900.h b/drivers/net/sis900.h index de3c06735d1..4233ea55670 100644 --- a/drivers/net/sis900.h +++ b/drivers/net/sis900.h @@ -33,6 +33,7 @@ enum sis900_registers { rxcfg=0x34, //Receive Configuration Register flctrl=0x38, //Flow Control Register rxlen=0x3c, //Receive Packet Length Register + cfgpmcsr=0x44, //Configuration Power Management Control/Status Register rfcr=0x48, //Receive Filter Control Register rfdr=0x4C, //Receive Filter Data Register pmctrl=0xB0, //Power Management Control Register @@ -140,6 +141,50 @@ enum sis96x_eeprom_command { EEREQ = 0x00000400, EEDONE = 0x00000200, EEGNT = 0x00000100 }; +/* PCI Registers */ +enum sis900_pci_registers { + CFGPMC = 0x40, + CFGPMCSR = 0x44 +}; + +/* Power management capabilities bits */ +enum sis900_cfgpmc_register_bits { + PMVER = 0x00070000, + DSI = 0x00100000, + PMESP = 0xf8000000 +}; + +enum sis900_pmesp_bits { + PME_D0 = 0x1, + PME_D1 = 0x2, + PME_D2 = 0x4, + PME_D3H = 0x8, + PME_D3C = 0x10 +}; + +/* Power management control/status bits */ +enum sis900_cfgpmcsr_register_bits { + PMESTS = 0x00004000, + PME_EN = 0x00000100, // Power management enable + PWR_STA = 0x00000003 // Current power state +}; + +/* Wake-on-LAN support. */ +enum sis900_power_management_control_register_bits { + LINKLOSS = 0x00000001, + LINKON = 0x00000002, + MAGICPKT = 0x00000400, + ALGORITHM = 0x00000800, + FRM1EN = 0x00100000, + FRM2EN = 0x00200000, + FRM3EN = 0x00400000, + FRM1ACS = 0x01000000, + FRM2ACS = 0x02000000, + FRM3ACS = 0x04000000, + WAKEALL = 0x40000000, + GATECLK = 0x80000000 +}; + /* Management Data I/O (mdio) frame */ #define MIIread 0x6000 #define MIIwrite 0x5002 diff --git a/drivers/net/sk98lin/Makefile b/drivers/net/sk98lin/Makefile index 6783039ffb7..afd900d5d73 100644 --- a/drivers/net/sk98lin/Makefile +++ b/drivers/net/sk98lin/Makefile @@ -26,9 +26,7 @@ sk98lin-objs := \ skrlmt.o \ sktimer.o \ skvpd.o \ - skxmac2.o \ - skproc.o \ - skcsum.o + skxmac2.o # DBGDEF = \ # -DDEBUG @@ -77,7 +75,7 @@ endif # SK_DBGCAT_DRV_INT_SRC 0x04000000 interrupts sources # SK_DBGCAT_DRV_EVENT 0x08000000 driver events -EXTRA_CFLAGS += -Idrivers/net/sk98lin -DSK_DIAG_SUPPORT -DSK_USE_CSUM -DGENESIS -DYUKON $(DBGDEF) $(SKPARAM) +EXTRA_CFLAGS += -Idrivers/net/sk98lin -DSK_DIAG_SUPPORT -DGENESIS -DYUKON $(DBGDEF) $(SKPARAM) clean: rm -f core *.o *.a *.s diff --git a/drivers/net/sk98lin/h/skdrv2nd.h b/drivers/net/sk98lin/h/skdrv2nd.h index 542cec57f86..778d9e618eb 100644 --- a/drivers/net/sk98lin/h/skdrv2nd.h +++ b/drivers/net/sk98lin/h/skdrv2nd.h @@ -60,7 +60,6 @@ extern SK_U64 SkOsGetTime(SK_AC*); extern int SkPciReadCfgDWord(SK_AC*, int, SK_U32*); extern int SkPciReadCfgWord(SK_AC*, int, SK_U16*); extern int SkPciReadCfgByte(SK_AC*, int, SK_U8*); -extern int SkPciWriteCfgDWord(SK_AC*, int, SK_U32); extern int SkPciWriteCfgWord(SK_AC*, int, SK_U16); extern int SkPciWriteCfgByte(SK_AC*, int, SK_U8); extern int SkDrvEvent(SK_AC*, SK_IOC IoC, SK_U32, SK_EVPARA); @@ -268,8 +267,6 @@ typedef struct s_DevNet DEV_NET; struct s_DevNet { int PortNr; int NetNr; - int Mtu; - int Up; SK_AC *pAC; }; @@ -298,6 +295,7 @@ struct s_RxPort { RXD *pRxdRingTail; /* Tail of Rx rings */ RXD *pRxdRingPrev; /* descriptor given to BMU previously */ int RxdRingFree; /* # of free entrys */ + int RxCsum; /* use receive checksum hardware */ spinlock_t RxDesRingLock; /* serialize descriptor accesses */ int RxFillLimit; /* limit for buffers in ring */ SK_IOC HwAddr; /* bmu registers address */ @@ -390,12 +388,10 @@ struct s_AC { SK_IOC IoBase; /* register set of adapter */ int BoardLevel; /* level of active hw init (0-2) */ - char DeviceStr[80]; /* adapter string from vpd */ + SK_U32 AllocFlag; /* flag allocation of resources */ struct pci_dev *PciDev; /* for access to pci config space */ - SK_U32 PciDevId; /* pci device id */ struct SK_NET_DEVICE *dev[2]; /* pointer to device struct */ - char Name[30]; /* driver name */ int RxBufSize; /* length of receive buffers */ struct net_device_stats stats; /* linux 'netstat -i' statistics */ @@ -425,16 +421,11 @@ struct s_AC { TX_PORT TxPort[SK_MAX_MACS][2]; RX_PORT RxPort[SK_MAX_MACS]; - unsigned int CsOfs1; /* for checksum calculation */ - unsigned int CsOfs2; /* for checksum calculation */ - SK_U32 CsOfs; /* for checksum calculation */ - SK_BOOL CheckQueue; /* check event queue soon */ SK_TIMER DrvCleanupTimer;/* to check for pending descriptors */ DIM_INFO DynIrqModInfo; /* all data related to DIM */ /* Only for tests */ - int PortUp; int PortDown; int ChipsetType; /* Chipset family type * 0 == Genesis family support diff --git a/drivers/net/sk98lin/h/skvpd.h b/drivers/net/sk98lin/h/skvpd.h index bdc1a5eaaae..daa9a8d154f 100644 --- a/drivers/net/sk98lin/h/skvpd.h +++ b/drivers/net/sk98lin/h/skvpd.h @@ -130,14 +130,12 @@ typedef struct s_vpd_key { #ifndef VPD_DO_IO #define VPD_OUT8(pAC,IoC,Addr,Val) (void)SkPciWriteCfgByte(pAC,Addr,Val) #define VPD_OUT16(pAC,IoC,Addr,Val) (void)SkPciWriteCfgWord(pAC,Addr,Val) -#define VPD_OUT32(pAC,IoC,Addr,Val) (void)SkPciWriteCfgDWord(pAC,Addr,Val) #define VPD_IN8(pAC,IoC,Addr,pVal) (void)SkPciReadCfgByte(pAC,Addr,pVal) #define VPD_IN16(pAC,IoC,Addr,pVal) (void)SkPciReadCfgWord(pAC,Addr,pVal) #define VPD_IN32(pAC,IoC,Addr,pVal) (void)SkPciReadCfgDWord(pAC,Addr,pVal) #else /* VPD_DO_IO */ #define VPD_OUT8(pAC,IoC,Addr,Val) SK_OUT8(IoC,PCI_C(Addr),Val) #define VPD_OUT16(pAC,IoC,Addr,Val) SK_OUT16(IoC,PCI_C(Addr),Val) -#define VPD_OUT32(pAC,IoC,Addr,Val) SK_OUT32(IoC,PCI_C(Addr),Val) #define VPD_IN8(pAC,IoC,Addr,pVal) SK_IN8(IoC,PCI_C(Addr),pVal) #define VPD_IN16(pAC,IoC,Addr,pVal) SK_IN16(IoC,PCI_C(Addr),pVal) #define VPD_IN32(pAC,IoC,Addr,pVal) SK_IN32(IoC,PCI_C(Addr),pVal) @@ -155,12 +153,6 @@ typedef struct s_vpd_key { else \ SK_OUT16(pAC,PCI_C(Addr),Val); \ } -#define VPD_OUT32(pAC,Ioc,Addr,Val) { \ - if ((pAC)->DgT.DgUseCfgCycle) \ - SkPciWriteCfgDWord(pAC,Addr,Val); \ - else \ - SK_OUT32(pAC,PCI_C(Addr),Val); \ - } #define VPD_IN8(pAC,Ioc,Addr,pVal) { \ if ((pAC)->DgT.DgUseCfgCycle) \ SkPciReadCfgByte(pAC,Addr,pVal); \ diff --git a/drivers/net/sk98lin/skcsum.c b/drivers/net/sk98lin/skcsum.c deleted file mode 100644 index 38a6e7a631f..00000000000 --- a/drivers/net/sk98lin/skcsum.c +++ /dev/null @@ -1,871 +0,0 @@ -/****************************************************************************** - * - * Name: skcsum.c - * Project: GEnesis, PCI Gigabit Ethernet Adapter - * Version: $Revision: 1.12 $ - * Date: $Date: 2003/08/20 13:55:53 $ - * Purpose: Store/verify Internet checksum in send/receive packets. - * - ******************************************************************************/ - -/****************************************************************************** - * - * (C)Copyright 1998-2003 SysKonnect GmbH. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * The information in this file is provided "AS IS" without warranty. - * - ******************************************************************************/ - -#ifdef SK_USE_CSUM /* Check if CSUM is to be used. */ - -#ifndef lint -static const char SysKonnectFileId[] = - "@(#) $Id: skcsum.c,v 1.12 2003/08/20 13:55:53 mschmid Exp $ (C) SysKonnect."; -#endif /* !lint */ - -/****************************************************************************** - * - * Description: - * - * This is the "GEnesis" common module "CSUM". - * - * This module contains the code necessary to calculate, store, and verify the - * Internet Checksum of IP, TCP, and UDP frames. - * - * "GEnesis" is an abbreviation of "Gigabit Ethernet Network System in Silicon" - * and is the code name of this SysKonnect project. - * - * Compilation Options: - * - * SK_USE_CSUM - Define if CSUM is to be used. Otherwise, CSUM will be an - * empty module. - * - * SKCS_OVERWRITE_PROTO - Define to overwrite the default protocol id - * definitions. In this case, all SKCS_PROTO_xxx definitions must be made - * external. - * - * SKCS_OVERWRITE_STATUS - Define to overwrite the default return status - * definitions. In this case, all SKCS_STATUS_xxx definitions must be made - * external. - * - * Include File Hierarchy: - * - * "h/skdrv1st.h" - * "h/skcsum.h" - * "h/sktypes.h" - * "h/skqueue.h" - * "h/skdrv2nd.h" - * - ******************************************************************************/ - -#include "h/skdrv1st.h" -#include "h/skcsum.h" -#include "h/skdrv2nd.h" - -/* defines ********************************************************************/ - -/* The size of an Ethernet MAC header. */ -#define SKCS_ETHERNET_MAC_HEADER_SIZE (6+6+2) - -/* The size of the used topology's MAC header. */ -#define SKCS_MAC_HEADER_SIZE SKCS_ETHERNET_MAC_HEADER_SIZE - -/* The size of the IP header without any option fields. */ -#define SKCS_IP_HEADER_SIZE 20 - -/* - * Field offsets within the IP header. - */ - -/* "Internet Header Version" and "Length". */ -#define SKCS_OFS_IP_HEADER_VERSION_AND_LENGTH 0 - -/* "Total Length". */ -#define SKCS_OFS_IP_TOTAL_LENGTH 2 - -/* "Flags" "Fragment Offset". */ -#define SKCS_OFS_IP_FLAGS_AND_FRAGMENT_OFFSET 6 - -/* "Next Level Protocol" identifier. */ -#define SKCS_OFS_IP_NEXT_LEVEL_PROTOCOL 9 - -/* Source IP address. */ -#define SKCS_OFS_IP_SOURCE_ADDRESS 12 - -/* Destination IP address. */ -#define SKCS_OFS_IP_DESTINATION_ADDRESS 16 - - -/* - * Field offsets within the UDP header. - */ - -/* UDP checksum. */ -#define SKCS_OFS_UDP_CHECKSUM 6 - -/* IP "Next Level Protocol" identifiers (see RFC 790). */ -#define SKCS_PROTO_ID_TCP 6 /* Transport Control Protocol */ -#define SKCS_PROTO_ID_UDP 17 /* User Datagram Protocol */ - -/* IP "Don't Fragment" bit. */ -#define SKCS_IP_DONT_FRAGMENT SKCS_HTON16(0x4000) - -/* Add a byte offset to a pointer. */ -#define SKCS_IDX(pPtr, Ofs) ((void *) ((char *) (pPtr) + (Ofs))) - -/* - * Macros that convert host to network representation and vice versa, i.e. - * little/big endian conversion on little endian machines only. - */ -#ifdef SK_LITTLE_ENDIAN -#define SKCS_HTON16(Val16) (((unsigned) (Val16) >> 8) | (((Val16) & 0xff) << 8)) -#endif /* SK_LITTLE_ENDIAN */ -#ifdef SK_BIG_ENDIAN -#define SKCS_HTON16(Val16) (Val16) -#endif /* SK_BIG_ENDIAN */ -#define SKCS_NTOH16(Val16) SKCS_HTON16(Val16) - -/* typedefs *******************************************************************/ - -/* function prototypes ********************************************************/ - -/****************************************************************************** - * - * SkCsGetSendInfo - get checksum information for a send packet - * - * Description: - * Get all checksum information necessary to send a TCP or UDP packet. The - * function checks the IP header passed to it. If the high-level protocol - * is either TCP or UDP the pseudo header checksum is calculated and - * returned. - * - * The function returns the total length of the IP header (including any - * IP option fields), which is the same as the start offset of the IP data - * which in turn is the start offset of the TCP or UDP header. - * - * The function also returns the TCP or UDP pseudo header checksum, which - * should be used as the start value for the hardware checksum calculation. - * (Note that any actual pseudo header checksum can never calculate to - * zero.) - * - * Note: - * There is a bug in the GENESIS ASIC which may lead to wrong checksums. - * - * Arguments: - * pAc - A pointer to the adapter context struct. - * - * pIpHeader - Pointer to IP header. Must be at least the IP header *not* - * including any option fields, i.e. at least 20 bytes. - * - * Note: This pointer will be used to address 8-, 16-, and 32-bit - * variables with the respective alignment offsets relative to the pointer. - * Thus, the pointer should point to a 32-bit aligned address. If the - * target system cannot address 32-bit variables on non 32-bit aligned - * addresses, then the pointer *must* point to a 32-bit aligned address. - * - * pPacketInfo - A pointer to the packet information structure for this - * packet. Before calling this SkCsGetSendInfo(), the following field must - * be initialized: - * - * ProtocolFlags - Initialize with any combination of - * SKCS_PROTO_XXX bit flags. SkCsGetSendInfo() will only work on - * the protocols specified here. Any protocol(s) not specified - * here will be ignored. - * - * Note: Only one checksum can be calculated in hardware. Thus, if - * SKCS_PROTO_IP is specified in the 'ProtocolFlags', - * SkCsGetSendInfo() must calculate the IP header checksum in - * software. It might be a better idea to have the calling - * protocol stack calculate the IP header checksum. - * - * Returns: N/A - * On return, the following fields in 'pPacketInfo' may or may not have - * been filled with information, depending on the protocol(s) found in the - * packet: - * - * ProtocolFlags - Returns the SKCS_PROTO_XXX bit flags of the protocol(s) - * that were both requested by the caller and actually found in the packet. - * Protocol(s) not specified by the caller and/or not found in the packet - * will have their respective SKCS_PROTO_XXX bit flags reset. - * - * Note: For IP fragments, TCP and UDP packet information is ignored. - * - * IpHeaderLength - The total length in bytes of the complete IP header - * including any option fields is returned here. This is the start offset - * of the IP data, i.e. the TCP or UDP header if present. - * - * IpHeaderChecksum - If IP has been specified in the 'ProtocolFlags', the - * 16-bit Internet Checksum of the IP header is returned here. This value - * is to be stored into the packet's 'IP Header Checksum' field. - * - * PseudoHeaderChecksum - If this is a TCP or UDP packet and if TCP or UDP - * has been specified in the 'ProtocolFlags', the 16-bit Internet Checksum - * of the TCP or UDP pseudo header is returned here. - */ -void SkCsGetSendInfo( -SK_AC *pAc, /* Adapter context struct. */ -void *pIpHeader, /* IP header. */ -SKCS_PACKET_INFO *pPacketInfo, /* Packet information struct. */ -int NetNumber) /* Net number */ -{ - /* Internet Header Version found in IP header. */ - unsigned InternetHeaderVersion; - - /* Length of the IP header as found in IP header. */ - unsigned IpHeaderLength; - - /* Bit field specifiying the desired/found protocols. */ - unsigned ProtocolFlags; - - /* Next level protocol identifier found in IP header. */ - unsigned NextLevelProtocol; - - /* Length of IP data portion. */ - unsigned IpDataLength; - - /* TCP/UDP pseudo header checksum. */ - unsigned long PseudoHeaderChecksum; - - /* Pointer to next level protocol statistics structure. */ - SKCS_PROTO_STATS *NextLevelProtoStats; - - /* Temporary variable. */ - unsigned Tmp; - - Tmp = *(SK_U8 *) - SKCS_IDX(pIpHeader, SKCS_OFS_IP_HEADER_VERSION_AND_LENGTH); - - /* Get the Internet Header Version (IHV). */ - /* Note: The IHV is stored in the upper four bits. */ - - InternetHeaderVersion = Tmp >> 4; - - /* Check the Internet Header Version. */ - /* Note: We currently only support IP version 4. */ - - if (InternetHeaderVersion != 4) { /* IPv4? */ - SK_DBG_MSG(pAc, SK_DBGMOD_CSUM, SK_DBGCAT_ERR | SK_DBGCAT_TX, - ("Tx: Unknown Internet Header Version %u.\n", - InternetHeaderVersion)); - pPacketInfo->ProtocolFlags = 0; - pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_IP].TxUnableCts++; - return; - } - - /* Get the IP header length (IHL). */ - /* - * Note: The IHL is stored in the lower four bits as the number of - * 4-byte words. - */ - - IpHeaderLength = (Tmp & 0xf) * 4; - pPacketInfo->IpHeaderLength = IpHeaderLength; - - /* Check the IP header length. */ - - /* 04-Aug-1998 sw - Really check the IHL? Necessary? */ - - if (IpHeaderLength < 5*4) { - SK_DBG_MSG(pAc, SK_DBGMOD_CSUM, SK_DBGCAT_ERR | SK_DBGCAT_TX, - ("Tx: Invalid IP Header Length %u.\n", IpHeaderLength)); - pPacketInfo->ProtocolFlags = 0; - pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_IP].TxUnableCts++; - return; - } - - /* This is an IPv4 frame with a header of valid length. */ - - pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_IP].TxOkCts++; - - /* Check if we should calculate the IP header checksum. */ - - ProtocolFlags = pPacketInfo->ProtocolFlags; - - if (ProtocolFlags & SKCS_PROTO_IP) { - pPacketInfo->IpHeaderChecksum = - SkCsCalculateChecksum(pIpHeader, IpHeaderLength); - } - - /* Get the next level protocol identifier. */ - - NextLevelProtocol = - *(SK_U8 *) SKCS_IDX(pIpHeader, SKCS_OFS_IP_NEXT_LEVEL_PROTOCOL); - - /* - * Check if this is a TCP or UDP frame and if we should calculate the - * TCP/UDP pseudo header checksum. - * - * Also clear all protocol bit flags of protocols not present in the - * frame. - */ - - if ((ProtocolFlags & SKCS_PROTO_TCP) != 0 && - NextLevelProtocol == SKCS_PROTO_ID_TCP) { - /* TCP/IP frame. */ - ProtocolFlags &= SKCS_PROTO_TCP | SKCS_PROTO_IP; - NextLevelProtoStats = - &pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_TCP]; - } - else if ((ProtocolFlags & SKCS_PROTO_UDP) != 0 && - NextLevelProtocol == SKCS_PROTO_ID_UDP) { - /* UDP/IP frame. */ - ProtocolFlags &= SKCS_PROTO_UDP | SKCS_PROTO_IP; - NextLevelProtoStats = - &pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_UDP]; - } - else { - /* - * Either not a TCP or UDP frame and/or TCP/UDP processing not - * specified. - */ - pPacketInfo->ProtocolFlags = ProtocolFlags & SKCS_PROTO_IP; - return; - } - - /* Check if this is an IP fragment. */ - - /* - * Note: An IP fragment has a non-zero "Fragment Offset" field and/or - * the "More Fragments" bit set. Thus, if both the "Fragment Offset" - * and the "More Fragments" are zero, it is *not* a fragment. We can - * easily check both at the same time since they are in the same 16-bit - * word. - */ - - if ((*(SK_U16 *) - SKCS_IDX(pIpHeader, SKCS_OFS_IP_FLAGS_AND_FRAGMENT_OFFSET) & - ~SKCS_IP_DONT_FRAGMENT) != 0) { - /* IP fragment; ignore all other protocols. */ - pPacketInfo->ProtocolFlags = ProtocolFlags & SKCS_PROTO_IP; - NextLevelProtoStats->TxUnableCts++; - return; - } - - /* - * Calculate the TCP/UDP pseudo header checksum. - */ - - /* Get total length of IP header and data. */ - - IpDataLength = - *(SK_U16 *) SKCS_IDX(pIpHeader, SKCS_OFS_IP_TOTAL_LENGTH); - - /* Get length of IP data portion. */ - - IpDataLength = SKCS_NTOH16(IpDataLength) - IpHeaderLength; - - /* Calculate the sum of all pseudo header fields (16-bit). */ - - PseudoHeaderChecksum = - (unsigned long) *(SK_U16 *) SKCS_IDX(pIpHeader, - SKCS_OFS_IP_SOURCE_ADDRESS + 0) + - (unsigned long) *(SK_U16 *) SKCS_IDX(pIpHeader, - SKCS_OFS_IP_SOURCE_ADDRESS + 2) + - (unsigned long) *(SK_U16 *) SKCS_IDX(pIpHeader, - SKCS_OFS_IP_DESTINATION_ADDRESS + 0) + - (unsigned long) *(SK_U16 *) SKCS_IDX(pIpHeader, - SKCS_OFS_IP_DESTINATION_ADDRESS + 2) + - (unsigned long) SKCS_HTON16(NextLevelProtocol) + - (unsigned long) SKCS_HTON16(IpDataLength); - - /* Add-in any carries. */ - - SKCS_OC_ADD(PseudoHeaderChecksum, PseudoHeaderChecksum, 0); - - /* Add-in any new carry. */ - - SKCS_OC_ADD(pPacketInfo->PseudoHeaderChecksum, PseudoHeaderChecksum, 0); - - pPacketInfo->ProtocolFlags = ProtocolFlags; - NextLevelProtoStats->TxOkCts++; /* Success. */ -} /* SkCsGetSendInfo */ - - -/****************************************************************************** - * - * SkCsGetReceiveInfo - verify checksum information for a received packet - * - * Description: - * Verify a received frame's checksum. The function returns a status code - * reflecting the result of the verification. - * - * Note: - * Before calling this function you have to verify that the frame is - * not padded and Checksum1 and Checksum2 are bigger than 1. - * - * Arguments: - * pAc - Pointer to adapter context struct. - * - * pIpHeader - Pointer to IP header. Must be at least the length in bytes - * of the received IP header including any option fields. For UDP packets, - * 8 additional bytes are needed to access the UDP checksum. - * - * Note: The actual length of the IP header is stored in the lower four - * bits of the first octet of the IP header as the number of 4-byte words, - * so it must be multiplied by four to get the length in bytes. Thus, the - * maximum IP header length is 15 * 4 = 60 bytes. - * - * Checksum1 - The first 16-bit Internet Checksum calculated by the - * hardware starting at the offset returned by SkCsSetReceiveFlags(). - * - * Checksum2 - The second 16-bit Internet Checksum calculated by the - * hardware starting at the offset returned by SkCsSetReceiveFlags(). - * - * Returns: - * SKCS_STATUS_UNKNOWN_IP_VERSION - Not an IP v4 frame. - * SKCS_STATUS_IP_CSUM_ERROR - IP checksum error. - * SKCS_STATUS_IP_CSUM_ERROR_TCP - IP checksum error in TCP frame. - * SKCS_STATUS_IP_CSUM_ERROR_UDP - IP checksum error in UDP frame - * SKCS_STATUS_IP_FRAGMENT - IP fragment (IP checksum ok). - * SKCS_STATUS_IP_CSUM_OK - IP checksum ok (not a TCP or UDP frame). - * SKCS_STATUS_TCP_CSUM_ERROR - TCP checksum error (IP checksum ok). - * SKCS_STATUS_UDP_CSUM_ERROR - UDP checksum error (IP checksum ok). - * SKCS_STATUS_TCP_CSUM_OK - IP and TCP checksum ok. - * SKCS_STATUS_UDP_CSUM_OK - IP and UDP checksum ok. - * SKCS_STATUS_IP_CSUM_OK_NO_UDP - IP checksum OK and no UDP checksum. - * - * Note: If SKCS_OVERWRITE_STATUS is defined, the SKCS_STATUS_XXX values - * returned here can be defined in some header file by the module using CSUM. - * In this way, the calling module can assign return values for its own needs, - * e.g. by assigning bit flags to the individual protocols. - */ -SKCS_STATUS SkCsGetReceiveInfo( -SK_AC *pAc, /* Adapter context struct. */ -void *pIpHeader, /* IP header. */ -unsigned Checksum1, /* Hardware checksum 1. */ -unsigned Checksum2, /* Hardware checksum 2. */ -int NetNumber) /* Net number */ -{ - /* Internet Header Version found in IP header. */ - unsigned InternetHeaderVersion; - - /* Length of the IP header as found in IP header. */ - unsigned IpHeaderLength; - - /* Length of IP data portion. */ - unsigned IpDataLength; - - /* IP header checksum. */ - unsigned IpHeaderChecksum; - - /* IP header options checksum, if any. */ - unsigned IpOptionsChecksum; - - /* IP data checksum, i.e. TCP/UDP checksum. */ - unsigned IpDataChecksum; - - /* Next level protocol identifier found in IP header. */ - unsigned NextLevelProtocol; - - /* The checksum of the "next level protocol", i.e. TCP or UDP. */ - unsigned long NextLevelProtocolChecksum; - - /* Pointer to next level protocol statistics structure. */ - SKCS_PROTO_STATS *NextLevelProtoStats; - - /* Temporary variable. */ - unsigned Tmp; - - Tmp = *(SK_U8 *) - SKCS_IDX(pIpHeader, SKCS_OFS_IP_HEADER_VERSION_AND_LENGTH); - - /* Get the Internet Header Version (IHV). */ - /* Note: The IHV is stored in the upper four bits. */ - - InternetHeaderVersion = Tmp >> 4; - - /* Check the Internet Header Version. */ - /* Note: We currently only support IP version 4. */ - - if (InternetHeaderVersion != 4) { /* IPv4? */ - SK_DBG_MSG(pAc, SK_DBGMOD_CSUM, SK_DBGCAT_ERR | SK_DBGCAT_RX, - ("Rx: Unknown Internet Header Version %u.\n", - InternetHeaderVersion)); - pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_IP].RxUnableCts++; - return (SKCS_STATUS_UNKNOWN_IP_VERSION); - } - - /* Get the IP header length (IHL). */ - /* - * Note: The IHL is stored in the lower four bits as the number of - * 4-byte words. - */ - - IpHeaderLength = (Tmp & 0xf) * 4; - - /* Check the IP header length. */ - - /* 04-Aug-1998 sw - Really check the IHL? Necessary? */ - - if (IpHeaderLength < 5*4) { - SK_DBG_MSG(pAc, SK_DBGMOD_CSUM, SK_DBGCAT_ERR | SK_DBGCAT_RX, - ("Rx: Invalid IP Header Length %u.\n", IpHeaderLength)); - pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_IP].RxErrCts++; - return (SKCS_STATUS_IP_CSUM_ERROR); - } - - /* This is an IPv4 frame with a header of valid length. */ - - /* Get the IP header and data checksum. */ - - IpDataChecksum = Checksum2; - - /* - * The IP header checksum is calculated as follows: - * - * IpHeaderChecksum = Checksum1 - Checksum2 - */ - - SKCS_OC_SUB(IpHeaderChecksum, Checksum1, Checksum2); - - /* Check if any IP header options. */ - - if (IpHeaderLength > SKCS_IP_HEADER_SIZE) { - - /* Get the IP options checksum. */ - - IpOptionsChecksum = SkCsCalculateChecksum( - SKCS_IDX(pIpHeader, SKCS_IP_HEADER_SIZE), - IpHeaderLength - SKCS_IP_HEADER_SIZE); - - /* Adjust the IP header and IP data checksums. */ - - SKCS_OC_ADD(IpHeaderChecksum, IpHeaderChecksum, IpOptionsChecksum); - - SKCS_OC_SUB(IpDataChecksum, IpDataChecksum, IpOptionsChecksum); - } - - /* - * Check if the IP header checksum is ok. - * - * NOTE: We must check the IP header checksum even if the caller just wants - * us to check upper-layer checksums, because we cannot do any further - * processing of the packet without a valid IP checksum. - */ - - /* Get the next level protocol identifier. */ - - NextLevelProtocol = *(SK_U8 *) - SKCS_IDX(pIpHeader, SKCS_OFS_IP_NEXT_LEVEL_PROTOCOL); - - if (IpHeaderChecksum != 0xffff) { - pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_IP].RxErrCts++; - /* the NDIS tester wants to know the upper level protocol too */ - if (NextLevelProtocol == SKCS_PROTO_ID_TCP) { - return(SKCS_STATUS_IP_CSUM_ERROR_TCP); - } - else if (NextLevelProtocol == SKCS_PROTO_ID_UDP) { - return(SKCS_STATUS_IP_CSUM_ERROR_UDP); - } - return (SKCS_STATUS_IP_CSUM_ERROR); - } - - /* - * Check if this is a TCP or UDP frame and if we should calculate the - * TCP/UDP pseudo header checksum. - * - * Also clear all protocol bit flags of protocols not present in the - * frame. - */ - - if ((pAc->Csum.ReceiveFlags[NetNumber] & SKCS_PROTO_TCP) != 0 && - NextLevelProtocol == SKCS_PROTO_ID_TCP) { - /* TCP/IP frame. */ - NextLevelProtoStats = - &pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_TCP]; - } - else if ((pAc->Csum.ReceiveFlags[NetNumber] & SKCS_PROTO_UDP) != 0 && - NextLevelProtocol == SKCS_PROTO_ID_UDP) { - /* UDP/IP frame. */ - NextLevelProtoStats = - &pAc->Csum.ProtoStats[NetNumber][SKCS_PROTO_STATS_UDP]; - } - else { - /* - * Either not a TCP or UDP frame and/or TCP/UDP processing not - * specified. - */ - return (SKCS_STATUS_IP_CSUM_OK); - } - - /* Check if this is an IP fragment. */ - - /* - * Note: An IP fragment has a non-zero "Fragment Offset" field and/or - * the "More Fragments" bit set. Thus, if both the "Fragment Offset" - * and the "More Fragments" are zero, it is *not* a fragment. We can - * easily check both at the same time since they are in the same 16-bit - * word. - */ - - if ((*(SK_U16 *) - SKCS_IDX(pIpHeader, SKCS_OFS_IP_FLAGS_AND_FRAGMENT_OFFSET) & - ~SKCS_IP_DONT_FRAGMENT) != 0) { - /* IP fragment; ignore all other protocols. */ - NextLevelProtoStats->RxUnableCts++; - return (SKCS_STATUS_IP_FRAGMENT); - } - - /* - * 08-May-2000 ra - * - * From RFC 768 (UDP) - * If the computed checksum is zero, it is transmitted as all ones (the - * equivalent in one's complement arithmetic). An all zero transmitted - * checksum value means that the transmitter generated no checksum (for - * debugging or for higher level protocols that don't care). - */ - - if (NextLevelProtocol == SKCS_PROTO_ID_UDP && - *(SK_U16*)SKCS_IDX(pIpHeader, IpHeaderLength + 6) == 0x0000) { - - NextLevelProtoStats->RxOkCts++; - - return (SKCS_STATUS_IP_CSUM_OK_NO_UDP); - } - - /* - * Calculate the TCP/UDP checksum. - */ - - /* Get total length of IP header and data. */ - - IpDataLength = - *(SK_U16 *) SKCS_IDX(pIpHeader, SKCS_OFS_IP_TOTAL_LENGTH); - - /* Get length of IP data portion. */ - - IpDataLength = SKCS_NTOH16(IpDataLength) - IpHeaderLength; - - NextLevelProtocolChecksum = - - /* Calculate the pseudo header checksum. */ - - (unsigned long) *(SK_U16 *) SKCS_IDX(pIpHeader, - SKCS_OFS_IP_SOURCE_ADDRESS + 0) + - (unsigned long) *(SK_U16 *) SKCS_IDX(pIpHeader, - SKCS_OFS_IP_SOURCE_ADDRESS + 2) + - (unsigned long) *(SK_U16 *) SKCS_IDX(pIpHeader, - SKCS_OFS_IP_DESTINATION_ADDRESS + 0) + - (unsigned long) *(SK_U16 *) SKCS_IDX(pIpHeader, - SKCS_OFS_IP_DESTINATION_ADDRESS + 2) + - (unsigned long) SKCS_HTON16(NextLevelProtocol) + - (unsigned long) SKCS_HTON16(IpDataLength) + - - /* Add the TCP/UDP header checksum. */ - - (unsigned long) IpDataChecksum; - - /* Add-in any carries. */ - - SKCS_OC_ADD(NextLevelProtocolChecksum, NextLevelProtocolChecksum, 0); - - /* Add-in any new carry. */ - - SKCS_OC_ADD(NextLevelProtocolChecksum, NextLevelProtocolChecksum, 0); - - /* Check if the TCP/UDP checksum is ok. */ - - if ((unsigned) NextLevelProtocolChecksum == 0xffff) { - - /* TCP/UDP checksum ok. */ - - NextLevelProtoStats->RxOkCts++; - - return (NextLevelProtocol == SKCS_PROTO_ID_TCP ? - SKCS_STATUS_TCP_CSUM_OK : SKCS_STATUS_UDP_CSUM_OK); - } - - /* TCP/UDP checksum error. */ - - NextLevelProtoStats->RxErrCts++; - - return (NextLevelProtocol == SKCS_PROTO_ID_TCP ? - SKCS_STATUS_TCP_CSUM_ERROR : SKCS_STATUS_UDP_CSUM_ERROR); -} /* SkCsGetReceiveInfo */ - - -/****************************************************************************** - * - * SkCsSetReceiveFlags - set checksum receive flags - * - * Description: - * Use this function to set the various receive flags. According to the - * protocol flags set by the caller, the start offsets within received - * packets of the two hardware checksums are returned. These offsets must - * be stored in all receive descriptors. - * - * Arguments: - * pAc - Pointer to adapter context struct. - * - * ReceiveFlags - Any combination of SK_PROTO_XXX flags of the protocols - * for which the caller wants checksum information on received frames. - * - * pChecksum1Offset - The start offset of the first receive descriptor - * hardware checksum to be calculated for received frames is returned - * here. - * - * pChecksum2Offset - The start offset of the second receive descriptor - * hardware checksum to be calculated for received frames is returned - * here. - * - * Returns: N/A - * Returns the two hardware checksum start offsets. - */ -void SkCsSetReceiveFlags( -SK_AC *pAc, /* Adapter context struct. */ -unsigned ReceiveFlags, /* New receive flags. */ -unsigned *pChecksum1Offset, /* Offset for hardware checksum 1. */ -unsigned *pChecksum2Offset, /* Offset for hardware checksum 2. */ -int NetNumber) -{ - /* Save the receive flags. */ - - pAc->Csum.ReceiveFlags[NetNumber] = ReceiveFlags; - - /* First checksum start offset is the IP header. */ - *pChecksum1Offset = SKCS_MAC_HEADER_SIZE; - - /* - * Second checksum start offset is the IP data. Note that this may vary - * if there are any IP header options in the actual packet. - */ - *pChecksum2Offset = SKCS_MAC_HEADER_SIZE + SKCS_IP_HEADER_SIZE; -} /* SkCsSetReceiveFlags */ - -#ifndef SK_CS_CALCULATE_CHECKSUM - -/****************************************************************************** - * - * SkCsCalculateChecksum - calculate checksum for specified data - * - * Description: - * Calculate and return the 16-bit Internet Checksum for the specified - * data. - * - * Arguments: - * pData - Pointer to data for which the checksum shall be calculated. - * Note: The pointer should be aligned on a 16-bit boundary. - * - * Length - Length in bytes of data to checksum. - * - * Returns: - * The 16-bit Internet Checksum for the specified data. - * - * Note: The checksum is calculated in the machine's natural byte order, - * i.e. little vs. big endian. Thus, the resulting checksum is different - * for the same input data on little and big endian machines. - * - * However, when written back to the network packet, the byte order is - * always in correct network order. - */ -unsigned SkCsCalculateChecksum( -void *pData, /* Data to checksum. */ -unsigned Length) /* Length of data. */ -{ - SK_U16 *pU16; /* Pointer to the data as 16-bit words. */ - unsigned long Checksum; /* Checksum; must be at least 32 bits. */ - - /* Sum up all 16-bit words. */ - - pU16 = (SK_U16 *) pData; - for (Checksum = 0; Length > 1; Length -= 2) { - Checksum += *pU16++; - } - - /* If this is an odd number of bytes, add-in the last byte. */ - - if (Length > 0) { -#ifdef SK_BIG_ENDIAN - /* Add the last byte as the high byte. */ - Checksum += ((unsigned) *(SK_U8 *) pU16) << 8; -#else /* !SK_BIG_ENDIAN */ - /* Add the last byte as the low byte. */ - Checksum += *(SK_U8 *) pU16; -#endif /* !SK_BIG_ENDIAN */ - } - - /* Add-in any carries. */ - - SKCS_OC_ADD(Checksum, Checksum, 0); - - /* Add-in any new carry. */ - - SKCS_OC_ADD(Checksum, Checksum, 0); - - /* Note: All bits beyond the 16-bit limit are now zero. */ - - return ((unsigned) Checksum); -} /* SkCsCalculateChecksum */ - -#endif /* SK_CS_CALCULATE_CHECKSUM */ - -/****************************************************************************** - * - * SkCsEvent - the CSUM event dispatcher - * - * Description: - * This is the event handler for the CSUM module. - * - * Arguments: - * pAc - Pointer to adapter context. - * - * Ioc - I/O context. - * - * Event - Event id. - * - * Param - Event dependent parameter. - * - * Returns: - * The 16-bit Internet Checksum for the specified data. - * - * Note: The checksum is calculated in the machine's natural byte order, - * i.e. little vs. big endian. Thus, the resulting checksum is different - * for the same input data on little and big endian machines. - * - * However, when written back to the network packet, the byte order is - * always in correct network order. - */ -int SkCsEvent( -SK_AC *pAc, /* Pointer to adapter context. */ -SK_IOC Ioc, /* I/O context. */ -SK_U32 Event, /* Event id. */ -SK_EVPARA Param) /* Event dependent parameter. */ -{ - int ProtoIndex; - int NetNumber; - - switch (Event) { - /* - * Clear protocol statistics. - * - * Param - Protocol index, or -1 for all protocols. - * - Net number. - */ - case SK_CSUM_EVENT_CLEAR_PROTO_STATS: - - ProtoIndex = (int)Param.Para32[1]; - NetNumber = (int)Param.Para32[0]; - if (ProtoIndex < 0) { /* Clear for all protocols. */ - if (NetNumber >= 0) { - SK_MEMSET(&pAc->Csum.ProtoStats[NetNumber][0], 0, - sizeof(pAc->Csum.ProtoStats[NetNumber])); - } - } - else { /* Clear for individual protocol. */ - SK_MEMSET(&pAc->Csum.ProtoStats[NetNumber][ProtoIndex], 0, - sizeof(pAc->Csum.ProtoStats[NetNumber][ProtoIndex])); - } - break; - default: - break; - } - return (0); /* Success. */ -} /* SkCsEvent */ - -#endif /* SK_USE_CSUM */ diff --git a/drivers/net/sk98lin/skdim.c b/drivers/net/sk98lin/skdim.c index 0fddf61047b..07c1b4c8699 100644 --- a/drivers/net/sk98lin/skdim.c +++ b/drivers/net/sk98lin/skdim.c @@ -180,7 +180,7 @@ SkDimModerate(SK_AC *pAC) { /* ** The number of interrupts per sec is the same as expected. ** Evalulate the descriptor-ratio. If it has changed, a resize - ** in the moderation timer might be usefull + ** in the moderation timer might be useful */ if (M_DIMINFO.AutoSizing) { ResizeDimTimerDuration(pAC); diff --git a/drivers/net/sk98lin/skethtool.c b/drivers/net/sk98lin/skethtool.c index fb639959292..4265ed91a9c 100644 --- a/drivers/net/sk98lin/skethtool.c +++ b/drivers/net/sk98lin/skethtool.c @@ -539,6 +539,48 @@ static int setPauseParams(struct net_device *dev , struct ethtool_pauseparam *ep return ret ? -EIO : 0; } +/* Only Yukon supports checksum offload. */ +static int setScatterGather(struct net_device *dev, u32 data) +{ + DEV_NET *pNet = netdev_priv(dev); + SK_AC *pAC = pNet->pAC; + + if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) + return -EOPNOTSUPP; + return ethtool_op_set_sg(dev, data); +} + +static int setTxCsum(struct net_device *dev, u32 data) +{ + DEV_NET *pNet = netdev_priv(dev); + SK_AC *pAC = pNet->pAC; + + if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) + return -EOPNOTSUPP; + + return ethtool_op_set_tx_csum(dev, data); +} + +static u32 getRxCsum(struct net_device *dev) +{ + DEV_NET *pNet = netdev_priv(dev); + SK_AC *pAC = pNet->pAC; + + return pAC->RxPort[pNet->PortNr].RxCsum; +} + +static int setRxCsum(struct net_device *dev, u32 data) +{ + DEV_NET *pNet = netdev_priv(dev); + SK_AC *pAC = pNet->pAC; + + if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) + return -EOPNOTSUPP; + + pAC->RxPort[pNet->PortNr].RxCsum = data != 0; + return 0; +} + struct ethtool_ops SkGeEthtoolOps = { .get_settings = getSettings, .set_settings = setSettings, @@ -549,4 +591,12 @@ struct ethtool_ops SkGeEthtoolOps = { .phys_id = locateDevice, .get_pauseparam = getPauseParams, .set_pauseparam = setPauseParams, + .get_link = ethtool_op_get_link, + .get_perm_addr = ethtool_op_get_perm_addr, + .get_sg = ethtool_op_get_sg, + .set_sg = setScatterGather, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = setTxCsum, + .get_rx_csum = getRxCsum, + .set_rx_csum = setRxCsum, }; diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index b18c92cb629..a5f2b1ee075 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -101,18 +101,18 @@ * "h/skgeinit.h" * "h/skaddr.h" * "h/skgesirq.h" - * "h/skcsum.h" * "h/skrlmt.h" * ******************************************************************************/ #include "h/skversion.h" +#include <linux/in.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> -#include <linux/proc_fs.h> #include <linux/dma-mapping.h> +#include <linux/ip.h> #include "h/skdrv1st.h" #include "h/skdrv2nd.h" @@ -206,7 +206,6 @@ static void SkGeSetRxMode(struct SK_NET_DEVICE *dev); static struct net_device_stats *SkGeStats(struct SK_NET_DEVICE *dev); static int SkGeIoctl(struct SK_NET_DEVICE *dev, struct ifreq *rq, int cmd); static void GetConfiguration(SK_AC*); -static void ProductStr(SK_AC*); static int XmitFrame(SK_AC*, TX_PORT*, struct sk_buff*); static void FreeTxDescriptors(SK_AC*pAC, TX_PORT*); static void FillRxRing(SK_AC*, RX_PORT*); @@ -235,28 +234,6 @@ static int SkDrvDeInitAdapter(SK_AC *pAC, int devNbr); * Extern Function Prototypes * ******************************************************************************/ -static const char SKRootName[] = "net/sk98lin"; -static struct proc_dir_entry *pSkRootDir; -extern struct file_operations sk_proc_fops; - -static inline void SkGeProcCreate(struct net_device *dev) -{ - struct proc_dir_entry *pe; - - if (pSkRootDir && - (pe = create_proc_entry(dev->name, S_IRUGO, pSkRootDir))) { - pe->proc_fops = &sk_proc_fops; - pe->data = dev; - pe->owner = THIS_MODULE; - } -} - -static inline void SkGeProcRemove(struct net_device *dev) -{ - if (pSkRootDir) - remove_proc_entry(dev->name, pSkRootDir); -} - extern void SkDimEnableModerationIfNeeded(SK_AC *pAC); extern void SkDimDisplayModerationSettings(SK_AC *pAC); extern void SkDimStartModerationTimer(SK_AC *pAC); @@ -279,31 +256,48 @@ static uintptr_t RxQueueAddr[SK_MAX_MACS] = {0x400, 0x480}; /***************************************************************************** * + * SkPciWriteCfgDWord - write a 32 bit value to pci config space + * + * Description: + * This routine writes a 32 bit value to the pci configuration + * space. + * + * Returns: + * 0 - indicate everything worked ok. + * != 0 - error indication + */ +static inline int SkPciWriteCfgDWord( +SK_AC *pAC, /* Adapter Control structure pointer */ +int PciAddr, /* PCI register address */ +SK_U32 Val) /* pointer to store the read value */ +{ + pci_write_config_dword(pAC->PciDev, PciAddr, Val); + return(0); +} /* SkPciWriteCfgDWord */ + +/***************************************************************************** + * * SkGeInitPCI - Init the PCI resources * * Description: * This function initialize the PCI resources and IO * - * Returns: N/A - * + * Returns: + * 0 - indicate everything worked ok. + * != 0 - error indication */ -int SkGeInitPCI(SK_AC *pAC) +static __devinit int SkGeInitPCI(SK_AC *pAC) { struct SK_NET_DEVICE *dev = pAC->dev[0]; struct pci_dev *pdev = pAC->PciDev; int retval; - if (pci_enable_device(pdev) != 0) { - return 1; - } - dev->mem_start = pci_resource_start (pdev, 0); pci_set_master(pdev); - if (pci_request_regions(pdev, pAC->Name) != 0) { - retval = 2; - goto out_disable; - } + retval = pci_request_regions(pdev, "sk98lin"); + if (retval) + goto out; #ifdef SK_BIG_ENDIAN /* @@ -322,9 +316,8 @@ int SkGeInitPCI(SK_AC *pAC) * Remap the regs into kernel space. */ pAC->IoBase = ioremap_nocache(dev->mem_start, 0x4000); - - if (!pAC->IoBase){ - retval = 3; + if (!pAC->IoBase) { + retval = -EIO; goto out_release; } @@ -332,8 +325,7 @@ int SkGeInitPCI(SK_AC *pAC) out_release: pci_release_regions(pdev); - out_disable: - pci_disable_device(pdev); + out: return retval; } @@ -494,7 +486,7 @@ module_param_array(AutoSizing, charp, NULL, 0); * 0, if everything is ok * !=0, on error */ -static int __init SkGeBoardInit(struct SK_NET_DEVICE *dev, SK_AC *pAC) +static int __devinit SkGeBoardInit(struct SK_NET_DEVICE *dev, SK_AC *pAC) { short i; unsigned long Flags; @@ -531,7 +523,7 @@ SK_BOOL DualNet; if (SkGeInit(pAC, pAC->IoBase, SK_INIT_DATA) != 0) { printk("HWInit (0) failed.\n"); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - return(-EAGAIN); + return -EIO; } SkI2cInit( pAC, pAC->IoBase, SK_INIT_DATA); SkEventInit(pAC, pAC->IoBase, SK_INIT_DATA); @@ -553,7 +545,7 @@ SK_BOOL DualNet; if (SkGeInit(pAC, pAC->IoBase, SK_INIT_IO) != 0) { printk("sk98lin: HWInit (1) failed.\n"); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - return(-EAGAIN); + return -EIO; } SkI2cInit( pAC, pAC->IoBase, SK_INIT_IO); SkEventInit(pAC, pAC->IoBase, SK_INIT_IO); @@ -578,34 +570,29 @@ SK_BOOL DualNet; spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); if (pAC->GIni.GIMacsFound == 2) { - Ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev); + Ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, "sk98lin", dev); } else if (pAC->GIni.GIMacsFound == 1) { Ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, - pAC->Name, dev); + "sk98lin", dev); } else { printk(KERN_WARNING "sk98lin: Illegal number of ports: %d\n", pAC->GIni.GIMacsFound); - return -EAGAIN; + return -EIO; } if (Ret) { printk(KERN_WARNING "sk98lin: Requested IRQ %d is busy.\n", dev->irq); - return -EAGAIN; + return Ret; } pAC->AllocFlag |= SK_ALLOC_IRQ; /* Alloc memory for this board (Mem for RxD/TxD) : */ if(!BoardAllocMem(pAC)) { printk("No memory for descriptor rings.\n"); - return(-EAGAIN); + return -ENOMEM; } - SkCsSetReceiveFlags(pAC, - SKCS_PROTO_IP | SKCS_PROTO_TCP | SKCS_PROTO_UDP, - &pAC->CsOfs1, &pAC->CsOfs2, 0); - pAC->CsOfs = (pAC->CsOfs2 << 16) | pAC->CsOfs1; - BoardInitMem(pAC); /* tschilling: New common function with minimum size check. */ DualNet = SK_FALSE; @@ -619,7 +606,7 @@ SK_BOOL DualNet; DualNet)) { BoardFreeMem(pAC); printk("sk98lin: SkGeInitAssignRamToQueues failed.\n"); - return(-EAGAIN); + return -EIO; } return (0); @@ -640,8 +627,7 @@ SK_BOOL DualNet; * SK_TRUE, if all memory could be allocated * SK_FALSE, if not */ -static SK_BOOL BoardAllocMem( -SK_AC *pAC) +static __devinit SK_BOOL BoardAllocMem(SK_AC *pAC) { caddr_t pDescrMem; /* pointer to descriptor memory area */ size_t AllocLength; /* length of complete descriptor area */ @@ -734,8 +720,7 @@ size_t AllocLength; /* length of complete descriptor area */ * * Returns: N/A */ -static void BoardInitMem( -SK_AC *pAC) /* pointer to adapter context */ +static __devinit void BoardInitMem(SK_AC *pAC) { int i; /* loop counter */ int RxDescrSize; /* the size of a rx descriptor rounded up to alignment*/ @@ -823,7 +808,7 @@ uintptr_t VNextDescr; /* the virtual bus address of the next descriptor */ /* set the pointers right */ pDescr->VNextRxd = VNextDescr & 0xffffffffULL; pDescr->pNextRxd = pNextDescr; - pDescr->TcpSumStarts = pAC->CsOfs; + if (!IsTx) pDescr->TcpSumStarts = ETH_HLEN << 16 | ETH_HLEN; /* advance one step */ pPrevDescr = pDescr; @@ -1270,7 +1255,6 @@ struct SK_NET_DEVICE *dev) spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); pAC->MaxPorts++; - pNet->Up = 1; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, @@ -1400,7 +1384,6 @@ struct SK_NET_DEVICE *dev) sizeof(SK_PNMI_STRUCT_DATA)); pAC->MaxPorts--; - pNet->Up = 0; return (0); } /* SkGeClose */ @@ -1505,8 +1488,6 @@ struct sk_buff *pMessage) /* pointer to send-message */ TXD *pOldTxd; unsigned long Flags; SK_U64 PhysAddr; - int Protocol; - int IpHeaderLength; int BytesSend = pMessage->len; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, ("X")); @@ -1579,8 +1560,10 @@ struct sk_buff *pMessage) /* pointer to send-message */ pTxd->pMBuf = pMessage; if (pMessage->ip_summed == CHECKSUM_HW) { - Protocol = ((SK_U8)pMessage->data[C_OFFSET_IPPROTO] & 0xff); - if ((Protocol == C_PROTO_ID_UDP) && + u16 hdrlen = pMessage->h.raw - pMessage->data; + u16 offset = hdrlen + pMessage->csum; + + if ((pMessage->h.ipiph->protocol == IPPROTO_UDP ) && (pAC->GIni.GIChipRev == 0) && (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { pTxd->TBControl = BMU_TCP_CHECK; @@ -1588,14 +1571,9 @@ struct sk_buff *pMessage) /* pointer to send-message */ pTxd->TBControl = BMU_UDP_CHECK; } - IpHeaderLength = (SK_U8)pMessage->data[C_OFFSET_IPHEADER]; - IpHeaderLength = (IpHeaderLength & 0xf) * 4; - pTxd->TcpSumOfs = 0; /* PH-Checksum already calculated */ - pTxd->TcpSumSt = C_LEN_ETHERMAC_HEADER + IpHeaderLength + - (Protocol == C_PROTO_ID_UDP ? - C_OFFSET_UDPHEADER_UDPCS : - C_OFFSET_TCPHEADER_TCPCS); - pTxd->TcpSumWr = C_LEN_ETHERMAC_HEADER + IpHeaderLength; + pTxd->TcpSumOfs = 0; + pTxd->TcpSumSt = hdrlen; + pTxd->TcpSumWr = offset; pTxd->TBControl |= BMU_OWN | BMU_STF | BMU_SW | BMU_EOF | @@ -1658,11 +1636,10 @@ struct sk_buff *pMessage) /* pointer to send-message */ TXD *pTxdLst; int CurrFrag; int BytesSend; - int IpHeaderLength; - int Protocol; skb_frag_t *sk_frag; SK_U64 PhysAddr; unsigned long Flags; + SK_U32 Control; spin_lock_irqsave(&pTxPort->TxDesRingLock, Flags); #ifndef USE_TX_COMPLETE @@ -1685,7 +1662,6 @@ struct sk_buff *pMessage) /* pointer to send-message */ pTxdFst = pTxd; pTxdLst = pTxd; BytesSend = 0; - Protocol = 0; /* ** Map the first fragment (header) into the DMA-space @@ -1703,32 +1679,31 @@ struct sk_buff *pMessage) /* pointer to send-message */ ** Does the HW need to evaluate checksum for TCP or UDP packets? */ if (pMessage->ip_summed == CHECKSUM_HW) { - pTxd->TBControl = BMU_STF | BMU_STFWD | skb_headlen(pMessage); + u16 hdrlen = pMessage->h.raw - pMessage->data; + u16 offset = hdrlen + pMessage->csum; + + Control = BMU_STFWD; + /* ** We have to use the opcode for tcp here, because the ** opcode for udp is not working in the hardware yet ** (Revision 2.0) */ - Protocol = ((SK_U8)pMessage->data[C_OFFSET_IPPROTO] & 0xff); - if ((Protocol == C_PROTO_ID_UDP) && + if ((pMessage->h.ipiph->protocol == IPPROTO_UDP ) && (pAC->GIni.GIChipRev == 0) && (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { - pTxd->TBControl |= BMU_TCP_CHECK; + Control |= BMU_TCP_CHECK; } else { - pTxd->TBControl |= BMU_UDP_CHECK; + Control |= BMU_UDP_CHECK; } - IpHeaderLength = ((SK_U8)pMessage->data[C_OFFSET_IPHEADER] & 0xf)*4; - pTxd->TcpSumOfs = 0; /* PH-Checksum already claculated */ - pTxd->TcpSumSt = C_LEN_ETHERMAC_HEADER + IpHeaderLength + - (Protocol == C_PROTO_ID_UDP ? - C_OFFSET_UDPHEADER_UDPCS : - C_OFFSET_TCPHEADER_TCPCS); - pTxd->TcpSumWr = C_LEN_ETHERMAC_HEADER + IpHeaderLength; - } else { - pTxd->TBControl = BMU_CHECK | BMU_SW | BMU_STF | - skb_headlen(pMessage); - } + pTxd->TcpSumOfs = 0; + pTxd->TcpSumSt = hdrlen; + pTxd->TcpSumWr = offset; + } else + Control = BMU_CHECK | BMU_SW; + + pTxd->TBControl = BMU_STF | Control | skb_headlen(pMessage); pTxd = pTxd->pNextTxd; pTxPort->TxdRingFree--; @@ -1752,40 +1727,18 @@ struct sk_buff *pMessage) /* pointer to send-message */ pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32); pTxd->pMBuf = pMessage; - /* - ** Does the HW need to evaluate checksum for TCP or UDP packets? - */ - if (pMessage->ip_summed == CHECKSUM_HW) { - pTxd->TBControl = BMU_OWN | BMU_SW | BMU_STFWD; - /* - ** We have to use the opcode for tcp here because the - ** opcode for udp is not working in the hardware yet - ** (revision 2.0) - */ - if ((Protocol == C_PROTO_ID_UDP) && - (pAC->GIni.GIChipRev == 0) && - (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { - pTxd->TBControl |= BMU_TCP_CHECK; - } else { - pTxd->TBControl |= BMU_UDP_CHECK; - } - } else { - pTxd->TBControl = BMU_CHECK | BMU_SW | BMU_OWN; - } + pTxd->TBControl = Control | BMU_OWN | sk_frag->size;; /* ** Do we have the last fragment? */ if( (CurrFrag+1) == skb_shinfo(pMessage)->nr_frags ) { #ifdef USE_TX_COMPLETE - pTxd->TBControl |= BMU_EOF | BMU_IRQ_EOF | sk_frag->size; + pTxd->TBControl |= BMU_EOF | BMU_IRQ_EOF; #else - pTxd->TBControl |= BMU_EOF | sk_frag->size; + pTxd->TBControl |= BMU_EOF; #endif pTxdFst->TBControl |= BMU_OWN | BMU_SW; - - } else { - pTxd->TBControl |= sk_frag->size; } pTxdLst = pTxd; pTxd = pTxd->pNextTxd; @@ -2032,7 +1985,6 @@ SK_U32 Control; /* control field of descriptor */ struct sk_buff *pMsg; /* pointer to message holding frame */ struct sk_buff *pNewMsg; /* pointer to a new message for copying frame */ int FrameLength; /* total length of received frame */ -int IpFrameLength; SK_MBUF *pRlmtMbuf; /* ptr to a buffer for giving a frame to rlmt */ SK_EVPARA EvPara; /* an event parameter union */ unsigned long Flags; /* for spin lock */ @@ -2045,10 +1997,6 @@ SK_BOOL IsMc; SK_BOOL IsBadFrame; /* Bad frame */ SK_U32 FrameStat; -unsigned short Csum1; -unsigned short Csum2; -unsigned short Type; -int Result; SK_U64 PhysAddr; rx_start: @@ -2177,8 +2125,8 @@ rx_start: (dma_addr_t) PhysAddr, FrameLength, PCI_DMA_FROMDEVICE); - eth_copy_and_sum(pNewMsg, pMsg->data, - FrameLength, 0); + memcpy(pNewMsg->data, pMsg, FrameLength); + pci_dma_sync_single_for_device(pAC->PciDev, (dma_addr_t) PhysAddr, FrameLength, @@ -2206,69 +2154,15 @@ rx_start: /* set length in message */ skb_put(pMsg, FrameLength); - /* hardware checksum */ - Type = ntohs(*((short*)&pMsg->data[12])); + } /* frame > SK_COPY_TRESHOLD */ #ifdef USE_SK_RX_CHECKSUM - if (Type == 0x800) { - Csum1=le16_to_cpu(pRxd->TcpSums & 0xffff); - Csum2=le16_to_cpu((pRxd->TcpSums >> 16) & 0xffff); - IpFrameLength = (int) ntohs((unsigned short) - ((unsigned short *) pMsg->data)[8]); - - /* - * Test: If frame is padded, a check is not possible! - * Frame not padded? Length difference must be 14 (0xe)! - */ - if ((FrameLength - IpFrameLength) != 0xe) { - /* Frame padded => TCP offload not possible! */ - pMsg->ip_summed = CHECKSUM_NONE; - } else { - /* Frame not padded => TCP offload! */ - if ((((Csum1 & 0xfffe) && (Csum2 & 0xfffe)) && - (pAC->GIni.GIChipId == CHIP_ID_GENESIS)) || - (pAC->ChipsetType)) { - Result = SkCsGetReceiveInfo(pAC, - &pMsg->data[14], - Csum1, Csum2, pRxPort->PortIndex); - if (Result == - SKCS_STATUS_IP_FRAGMENT || - Result == - SKCS_STATUS_IP_CSUM_OK || - Result == - SKCS_STATUS_TCP_CSUM_OK || - Result == - SKCS_STATUS_UDP_CSUM_OK) { - pMsg->ip_summed = - CHECKSUM_UNNECESSARY; - } - else if (Result == - SKCS_STATUS_TCP_CSUM_ERROR || - Result == - SKCS_STATUS_UDP_CSUM_ERROR || - Result == - SKCS_STATUS_IP_CSUM_ERROR_UDP || - Result == - SKCS_STATUS_IP_CSUM_ERROR_TCP || - Result == - SKCS_STATUS_IP_CSUM_ERROR ) { - /* HW Checksum error */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_RX_PROGRESS, - ("skge: CRC error. Frame dropped!\n")); - goto rx_failed; - } else { - pMsg->ip_summed = - CHECKSUM_NONE; - } - }/* checksumControl calculation valid */ - } /* Frame length check */ - } /* IP frame */ + pMsg->csum = pRxd->TcpSums & 0xffff; + pMsg->ip_summed = CHECKSUM_HW; #else - pMsg->ip_summed = CHECKSUM_NONE; + pMsg->ip_summed = CHECKSUM_NONE; #endif - } /* frame > SK_COPY_TRESHOLD */ - + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("V")); ForRlmt = SK_RLMT_RX_PROTOCOL; #if 0 @@ -2643,7 +2537,7 @@ unsigned long Flags; static int SkGeChangeMtu(struct SK_NET_DEVICE *dev, int NewMtu) { DEV_NET *pNet; -DEV_NET *pOtherNet; +struct net_device *pOtherDev; SK_AC *pAC; unsigned long Flags; int i; @@ -2673,11 +2567,11 @@ SK_EVPARA EvPara; } #endif - pNet->Mtu = NewMtu; - pOtherNet = netdev_priv(pAC->dev[1 - pNet->NetNr]); - if ((pOtherNet->Mtu>1500) && (NewMtu<=1500) && (pOtherNet->Up==1)) { - return(0); - } + pOtherDev = pAC->dev[1 - pNet->NetNr]; + + if ( netif_running(pOtherDev) && (pOtherDev->mtu > 1500) + && (NewMtu <= 1500)) + return 0; pAC->RxBufSize = NewMtu + 32; dev->mtu = NewMtu; @@ -2839,7 +2733,8 @@ SK_EVPARA EvPara; EvPara.Para32[1] = -1; SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); - if (pOtherNet->Up) { + if (netif_running(pOtherDev)) { + DEV_NET *pOtherNet = netdev_priv(pOtherDev); EvPara.Para32[0] = pOtherNet->PortNr; SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); } @@ -2913,7 +2808,7 @@ unsigned long Flags; /* for spin lock */ pAC->stats.rx_bytes = (SK_U32) pPnmiStruct->RxOctetsDeliveredCts; pAC->stats.tx_bytes = (SK_U32) pPnmiStat->StatTxOctetsOkCts; - if (pNet->Mtu <= 1500) { + if (dev->mtu <= 1500) { pAC->stats.rx_errors = (SK_U32) pPnmiStruct->InErrorsCts & 0xFFFFFFFF; } else { pAC->stats.rx_errors = (SK_U32) ((pPnmiStruct->InErrorsCts - @@ -2956,7 +2851,7 @@ unsigned long Flags; /* for spin lock */ * Description: * This function is called if an ioctl is issued on the device. * There are three subfunction for reading, writing and test-writing - * the private MIB data structure (usefull for SysKonnect-internal tools). + * the private MIB data structure (useful for SysKonnect-internal tools). * * Returns: * 0, if everything is ok @@ -3864,25 +3759,21 @@ int Capabilities[3][3] = * * Returns: N/A */ -static void ProductStr( -SK_AC *pAC /* pointer to adapter context */ +static inline int ProductStr( + SK_AC *pAC, /* pointer to adapter context */ + char *DeviceStr, /* result string */ + int StrLen /* length of the string */ ) { -int StrLen = 80; /* length of the string, defined in SK_AC */ char Keyword[] = VPD_NAME; /* vpd productname identifier */ int ReturnCode; /* return code from vpd_read */ unsigned long Flags; spin_lock_irqsave(&pAC->SlowPathLock, Flags); - ReturnCode = VpdRead(pAC, pAC->IoBase, Keyword, pAC->DeviceStr, - &StrLen); + ReturnCode = VpdRead(pAC, pAC->IoBase, Keyword, DeviceStr, &StrLen); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - if (ReturnCode != 0) { - /* there was an error reading the vpd data */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ERROR, - ("Error reading VPD data: %d\n", ReturnCode)); - pAC->DeviceStr[0] = '\0'; - } + + return ReturnCode; } /* ProductStr */ /***************************************************************************** @@ -4085,28 +3976,6 @@ SK_U8 *pVal) /* pointer to store the read value */ /***************************************************************************** * - * SkPciWriteCfgDWord - write a 32 bit value to pci config space - * - * Description: - * This routine writes a 32 bit value to the pci configuration - * space. - * - * Returns: - * 0 - indicate everything worked ok. - * != 0 - error indication - */ -int SkPciWriteCfgDWord( -SK_AC *pAC, /* Adapter Control structure pointer */ -int PciAddr, /* PCI register address */ -SK_U32 Val) /* pointer to store the read value */ -{ - pci_write_config_dword(pAC->PciDev, PciAddr, Val); - return(0); -} /* SkPciWriteCfgDWord */ - - -/***************************************************************************** - * * SkPciWriteCfgWord - write a 16 bit value to pci config space * * Description: @@ -4243,6 +4112,7 @@ SK_BOOL DualNet; Flags); break; case SK_DRV_NET_UP: /* SK_U32 PortIdx */ + { struct net_device *dev = pAC->dev[Param.Para32[0]]; /* action list 5 */ FromPort = Param.Para32[0]; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, @@ -4326,22 +4196,12 @@ SK_BOOL DualNet; printk(" irq moderation: disabled\n"); -#ifdef SK_ZEROCOPY - if (pAC->ChipsetType) -#ifdef USE_SK_TX_CHECKSUM - printk(" scatter-gather: enabled\n"); -#else - printk(" tx-checksum: disabled\n"); -#endif - else - printk(" scatter-gather: disabled\n"); -#else - printk(" scatter-gather: disabled\n"); -#endif - -#ifndef USE_SK_RX_CHECKSUM - printk(" rx-checksum: disabled\n"); -#endif + printk(" scatter-gather: %s\n", + (dev->features & NETIF_F_SG) ? "enabled" : "disabled"); + printk(" tx-checksum: %s\n", + (dev->features & NETIF_F_IP_CSUM) ? "enabled" : "disabled"); + printk(" rx-checksum: %s\n", + pAC->RxPort[Param.Para32[0]].RxCsum ? "enabled" : "disabled"); } else { DoPrintInterfaceChange = SK_TRUE; @@ -4356,9 +4216,9 @@ SK_BOOL DualNet; } /* Inform the world that link protocol is up. */ - netif_carrier_on(pAC->dev[Param.Para32[0]]); - + netif_carrier_on(dev); break; + } case SK_DRV_NET_DOWN: /* SK_U32 Reason */ /* action list 7 */ SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, @@ -4572,7 +4432,7 @@ SK_AC *pAc) /* pointer to adapter context */ pAC->DiagModeActive = DIAG_ACTIVE; if (pAC->BoardLevel > SK_INIT_DATA) { - if (pNet->Up) { + if (netif_running(pAC->dev[0])) { pAC->WasIfUp[0] = SK_TRUE; pAC->DiagFlowCtrl = SK_TRUE; /* for SkGeClose */ DoPrintInterfaceChange = SK_FALSE; @@ -4582,7 +4442,7 @@ SK_AC *pAc) /* pointer to adapter context */ } if (pNet != netdev_priv(pAC->dev[1])) { pNet = netdev_priv(pAC->dev[1]); - if (pNet->Up) { + if (netif_running(pAC->dev[1])) { pAC->WasIfUp[1] = SK_TRUE; pAC->DiagFlowCtrl = SK_TRUE; /* for SkGeClose */ DoPrintInterfaceChange = SK_FALSE; @@ -4908,45 +4768,59 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, struct net_device *dev = NULL; static int boards_found = 0; int error = -ENODEV; + int using_dac = 0; + char DeviceStr[80]; if (pci_enable_device(pdev)) goto out; /* Configure DMA attributes. */ - if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) && - pci_set_dma_mask(pdev, DMA_32BIT_MASK)) - goto out_disable_device; - + if (sizeof(dma_addr_t) > sizeof(u32) && + !(error = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { + using_dac = 1; + error = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); + if (error < 0) { + printk(KERN_ERR "sk98lin %s unable to obtain 64 bit DMA " + "for consistent allocations\n", pci_name(pdev)); + goto out_disable_device; + } + } else { + error = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (error) { + printk(KERN_ERR "sk98lin %s no usable DMA configuration\n", + pci_name(pdev)); + goto out_disable_device; + } + } - if ((dev = alloc_etherdev(sizeof(DEV_NET))) == NULL) { - printk(KERN_ERR "Unable to allocate etherdev " + error = -ENOMEM; + dev = alloc_etherdev(sizeof(DEV_NET)); + if (!dev) { + printk(KERN_ERR "sk98lin: unable to allocate etherdev " "structure!\n"); goto out_disable_device; } pNet = netdev_priv(dev); - pNet->pAC = kmalloc(sizeof(SK_AC), GFP_KERNEL); + pNet->pAC = kzalloc(sizeof(SK_AC), GFP_KERNEL); if (!pNet->pAC) { - printk(KERN_ERR "Unable to allocate adapter " + printk(KERN_ERR "sk98lin: unable to allocate adapter " "structure!\n"); goto out_free_netdev; } - memset(pNet->pAC, 0, sizeof(SK_AC)); pAC = pNet->pAC; pAC->PciDev = pdev; - pAC->PciDevId = pdev->device; + pAC->dev[0] = dev; pAC->dev[1] = dev; - sprintf(pAC->Name, "SysKonnect SK-98xx"); pAC->CheckQueue = SK_FALSE; - pNet->Mtu = 1500; - pNet->Up = 0; dev->irq = pdev->irq; + error = SkGeInitPCI(pAC); if (error) { - printk("SKGE: PCI setup failed: %i\n", error); + printk(KERN_ERR "sk98lin: PCI setup failed: %i\n", error); goto out_free_netdev; } @@ -4965,30 +4839,44 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, SET_NETDEV_DEV(dev, &pdev->dev); SET_ETHTOOL_OPS(dev, &SkGeEthtoolOps); -#ifdef SK_ZEROCOPY -#ifdef USE_SK_TX_CHECKSUM + /* Use only if yukon hardware */ if (pAC->ChipsetType) { - /* Use only if yukon hardware */ - /* SK and ZEROCOPY - fly baby... */ - dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; - } +#ifdef USE_SK_TX_CHECKSUM + dev->features |= NETIF_F_IP_CSUM; #endif +#ifdef SK_ZEROCOPY + dev->features |= NETIF_F_SG; +#endif +#ifdef USE_SK_RX_CHECKSUM + pAC->RxPort[0].RxCsum = 1; #endif + } + + if (using_dac) + dev->features |= NETIF_F_HIGHDMA; pAC->Index = boards_found++; - if (SkGeBoardInit(dev, pAC)) + error = SkGeBoardInit(dev, pAC); + if (error) goto out_free_netdev; + /* Read Adapter name from VPD */ + if (ProductStr(pAC, DeviceStr, sizeof(DeviceStr)) != 0) { + error = -EIO; + printk(KERN_ERR "sk98lin: Could not read VPD data.\n"); + goto out_free_resources; + } + /* Register net device */ - if (register_netdev(dev)) { - printk(KERN_ERR "SKGE: Could not register device.\n"); + error = register_netdev(dev); + if (error) { + printk(KERN_ERR "sk98lin: Could not register device.\n"); goto out_free_resources; } /* Print adapter specific string from vpd */ - ProductStr(pAC); - printk("%s: %s\n", dev->name, pAC->DeviceStr); + printk("%s: %s\n", dev->name, DeviceStr); /* Print configuration settings */ printk(" PrefPort:%c RlmtMode:%s\n", @@ -5001,31 +4889,29 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, SkGeYellowLED(pAC, pAC->IoBase, 1); - memcpy(&dev->dev_addr, &pAC->Addr.Net[0].CurrentMacAddress, 6); - - SkGeProcCreate(dev); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); pNet->PortNr = 0; pNet->NetNr = 0; boards_found++; + pci_set_drvdata(pdev, dev); + /* More then one port found */ if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { - if ((dev = alloc_etherdev(sizeof(DEV_NET))) == 0) { - printk(KERN_ERR "Unable to allocate etherdev " + dev = alloc_etherdev(sizeof(DEV_NET)); + if (!dev) { + printk(KERN_ERR "sk98lin: unable to allocate etherdev " "structure!\n"); - goto out; + goto single_port; } - pAC->dev[1] = dev; pNet = netdev_priv(dev); pNet->PortNr = 1; pNet->NetNr = 1; pNet->pAC = pAC; - pNet->Mtu = 1500; - pNet->Up = 0; dev->open = &SkGeOpen; dev->stop = &SkGeClose; @@ -5038,29 +4924,40 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, SET_NETDEV_DEV(dev, &pdev->dev); SET_ETHTOOL_OPS(dev, &SkGeEthtoolOps); -#ifdef SK_ZEROCOPY -#ifdef USE_SK_TX_CHECKSUM if (pAC->ChipsetType) { - /* SG and ZEROCOPY - fly baby... */ - dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; - } +#ifdef USE_SK_TX_CHECKSUM + dev->features |= NETIF_F_IP_CSUM; #endif +#ifdef SK_ZEROCOPY + dev->features |= NETIF_F_SG; +#endif +#ifdef USE_SK_RX_CHECKSUM + pAC->RxPort[1].RxCsum = 1; #endif + } + + if (using_dac) + dev->features |= NETIF_F_HIGHDMA; - if (register_netdev(dev)) { - printk(KERN_ERR "SKGE: Could not register device.\n"); + error = register_netdev(dev); + if (error) { + printk(KERN_ERR "sk98lin: Could not register device" + " for second port. (%d)\n", error); free_netdev(dev); - pAC->dev[1] = pAC->dev[0]; - } else { - SkGeProcCreate(dev); - memcpy(&dev->dev_addr, - &pAC->Addr.Net[1].CurrentMacAddress, 6); - - printk("%s: %s\n", dev->name, pAC->DeviceStr); - printk(" PrefPort:B RlmtMode:Dual Check Link State\n"); + goto single_port; } + + pAC->dev[1] = dev; + memcpy(&dev->dev_addr, + &pAC->Addr.Net[1].CurrentMacAddress, 6); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + + printk("%s: %s\n", dev->name, DeviceStr); + printk(" PrefPort:B RlmtMode:Dual Check Link State\n"); } +single_port: + /* Save the hardware revision */ pAC->HWRevision = (((pAC->GIni.GIPciHwRev >> 4) & 0x0F)*10) + (pAC->GIni.GIPciHwRev & 0x0F); @@ -5072,7 +4969,6 @@ static int __devinit skge_probe_one(struct pci_dev *pdev, memset(&pAC->PnmiBackup, 0, sizeof(SK_PNMI_STRUCT_DATA)); memcpy(&pAC->PnmiBackup, &pAC->PnmiStruct, sizeof(SK_PNMI_STRUCT_DATA)); - pci_set_drvdata(pdev, dev); return 0; out_free_resources: @@ -5092,10 +4988,7 @@ static void __devexit skge_remove_one(struct pci_dev *pdev) SK_AC *pAC = pNet->pAC; struct net_device *otherdev = pAC->dev[1]; - SkGeProcRemove(dev); unregister_netdev(dev); - if (otherdev != dev) - SkGeProcRemove(otherdev); SkGeYellowLED(pAC, pAC->IoBase, 0); @@ -5180,9 +5073,9 @@ static int skge_resume(struct pci_dev *pdev) pci_enable_device(pdev); pci_set_master(pdev); if (pAC->GIni.GIMacsFound == 2) - ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev); + ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, "sk98lin", dev); else - ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, pAC->Name, dev); + ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, "sk98lin", dev); if (ret) { printk(KERN_WARNING "sk98lin: unable to acquire IRQ %d\n", dev->irq); pAC->AllocFlag &= ~SK_ALLOC_IRQ; @@ -5240,23 +5133,12 @@ static struct pci_driver skge_driver = { static int __init skge_init(void) { - int error; - - pSkRootDir = proc_mkdir(SKRootName, NULL); - if (pSkRootDir) - pSkRootDir->owner = THIS_MODULE; - - error = pci_register_driver(&skge_driver); - if (error) - remove_proc_entry(SKRootName, NULL); - return error; + return pci_module_init(&skge_driver); } static void __exit skge_exit(void) { pci_unregister_driver(&skge_driver); - remove_proc_entry(SKRootName, NULL); - } module_init(skge_init); diff --git a/drivers/net/sk98lin/skgepnmi.c b/drivers/net/sk98lin/skgepnmi.c index 58e1a5be913..a386172107e 100644 --- a/drivers/net/sk98lin/skgepnmi.c +++ b/drivers/net/sk98lin/skgepnmi.c @@ -611,7 +611,7 @@ SK_U32 NetIndex) /* NetIndex (0..n), in single net mode always zero */ * Description: * Calls a general sub-function for all this stuff. The preset does * the same as a set, but returns just before finally setting the - * new value. This is usefull to check if a set might be successfull. + * new value. This is useful to check if a set might be successfull. * If the instance -1 is passed, an array of values is supposed and * all instances of the OID will be set. * @@ -654,7 +654,7 @@ SK_U32 NetIndex) /* NetIndex (0..n), in single net mode always zero */ * Description: * Calls a general sub-function for all this stuff. The preset does * the same as a set, but returns just before finally setting the - * new value. This is usefull to check if a set might be successfull. + * new value. This is useful to check if a set might be successfull. * If the instance -1 is passed, an array of values is supposed and * all instances of the OID will be set. * @@ -870,7 +870,7 @@ SK_U32 NetIndex) /* NetIndex (0..n), in single net mode always zero */ * Description: * Calls a general sub-function for all this set stuff. The preset does * the same as a set, but returns just before finally setting the - * new value. This is usefull to check if a set might be successfull. + * new value. This is useful to check if a set might be successfull. * The sub-function runs through the IdTable, checks which OIDs are able * to set, and calls the handler function of the OID to perform the * preset. The return value of the function will also be stored in @@ -6473,7 +6473,7 @@ unsigned int PhysPortIndex) /* Physical port index */ * * Description: * The COMMON module only tells us if the mode is half or full duplex. - * But in the decade of auto sensing it is usefull for the user to + * But in the decade of auto sensing it is useful for the user to * know if the mode was negotiated or forced. Therefore we have a * look to the mode, which was last used by the negotiation process. * diff --git a/drivers/net/sk98lin/skproc.c b/drivers/net/sk98lin/skproc.c deleted file mode 100644 index 5cece25c034..00000000000 --- a/drivers/net/sk98lin/skproc.c +++ /dev/null @@ -1,265 +0,0 @@ -/****************************************************************************** - * - * Name: skproc.c - * Project: GEnesis, PCI Gigabit Ethernet Adapter - * Version: $Revision: 1.11 $ - * Date: $Date: 2003/12/11 16:03:57 $ - * Purpose: Funktions to display statictic data - * - ******************************************************************************/ - -/****************************************************************************** - * - * (C)Copyright 1998-2002 SysKonnect GmbH. - * (C)Copyright 2002-2003 Marvell. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Created 22-Nov-2000 - * Author: Mirko Lindner (mlindner@syskonnect.de) - * - * The information in this file is provided "AS IS" without warranty. - * - ******************************************************************************/ -#include <linux/proc_fs.h> -#include <linux/seq_file.h> - -#include "h/skdrv1st.h" -#include "h/skdrv2nd.h" -#include "h/skversion.h" - -static int sk_seq_show(struct seq_file *seq, void *v); -static int sk_proc_open(struct inode *inode, struct file *file); - -struct file_operations sk_proc_fops = { - .owner = THIS_MODULE, - .open = sk_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - - -/***************************************************************************** - * - * sk_seq_show - show proc information of a particular adapter - * - * Description: - * This function fills the proc entry with statistic data about - * the ethernet device. It invokes the generic sk_gen_browse() to - * print out all items one per one. - * - * Returns: 0 - * - */ -static int sk_seq_show(struct seq_file *seq, void *v) -{ - struct net_device *dev = seq->private; - DEV_NET *pNet = netdev_priv(dev); - SK_AC *pAC = pNet->pAC; - SK_PNMI_STRUCT_DATA *pPnmiStruct = &pAC->PnmiStruct; - unsigned long Flags; - unsigned int Size; - char sens_msg[50]; - int t; - int i; - - /* NetIndex in GetStruct is now required, zero is only dummy */ - for (t=pAC->GIni.GIMacsFound; t > 0; t--) { - if ((pAC->GIni.GIMacsFound == 2) && pAC->RlmtNets == 1) - t--; - - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - Size = SK_PNMI_STRUCT_SIZE; -#ifdef SK_DIAG_SUPPORT - if (pAC->BoardLevel == SK_INIT_DATA) { - SK_MEMCPY(&(pAC->PnmiStruct), &(pAC->PnmiBackup), sizeof(SK_PNMI_STRUCT_DATA)); - if (pAC->DiagModeActive == DIAG_NOTACTIVE) { - pAC->Pnmi.DiagAttached = SK_DIAG_IDLE; - } - } else { - SkPnmiGetStruct(pAC, pAC->IoBase, pPnmiStruct, &Size, t-1); - } -#else - SkPnmiGetStruct(pAC, pAC->IoBase, - pPnmiStruct, &Size, t-1); -#endif - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - - if (pAC->dev[t-1] == dev) { - SK_PNMI_STAT *pPnmiStat = &pPnmiStruct->Stat[0]; - - seq_printf(seq, "\nDetailed statistic for device %s\n", - pAC->dev[t-1]->name); - seq_printf(seq, "=======================================\n"); - - /* Board statistics */ - seq_printf(seq, "\nBoard statistics\n\n"); - seq_printf(seq, "Active Port %c\n", - 'A' + pAC->Rlmt.Net[t-1].Port[pAC->Rlmt. - Net[t-1].PrefPort]->PortNumber); - seq_printf(seq, "Preferred Port %c\n", - 'A' + pAC->Rlmt.Net[t-1].Port[pAC->Rlmt. - Net[t-1].PrefPort]->PortNumber); - - seq_printf(seq, "Bus speed (MHz) %d\n", - pPnmiStruct->BusSpeed); - - seq_printf(seq, "Bus width (Bit) %d\n", - pPnmiStruct->BusWidth); - seq_printf(seq, "Driver version %s\n", - VER_STRING); - seq_printf(seq, "Hardware revision v%d.%d\n", - (pAC->GIni.GIPciHwRev >> 4) & 0x0F, - pAC->GIni.GIPciHwRev & 0x0F); - - /* Print sensor informations */ - for (i=0; i < pAC->I2c.MaxSens; i ++) { - /* Check type */ - switch (pAC->I2c.SenTable[i].SenType) { - case 1: - strcpy(sens_msg, pAC->I2c.SenTable[i].SenDesc); - strcat(sens_msg, " (C)"); - seq_printf(seq, "%-25s %d.%02d\n", - sens_msg, - pAC->I2c.SenTable[i].SenValue / 10, - pAC->I2c.SenTable[i].SenValue % 10); - - strcpy(sens_msg, pAC->I2c.SenTable[i].SenDesc); - strcat(sens_msg, " (F)"); - seq_printf(seq, "%-25s %d.%02d\n", - sens_msg, - ((((pAC->I2c.SenTable[i].SenValue) - *10)*9)/5 + 3200)/100, - ((((pAC->I2c.SenTable[i].SenValue) - *10)*9)/5 + 3200) % 10); - break; - case 2: - strcpy(sens_msg, pAC->I2c.SenTable[i].SenDesc); - strcat(sens_msg, " (V)"); - seq_printf(seq, "%-25s %d.%03d\n", - sens_msg, - pAC->I2c.SenTable[i].SenValue / 1000, - pAC->I2c.SenTable[i].SenValue % 1000); - break; - case 3: - strcpy(sens_msg, pAC->I2c.SenTable[i].SenDesc); - strcat(sens_msg, " (rpm)"); - seq_printf(seq, "%-25s %d\n", - sens_msg, - pAC->I2c.SenTable[i].SenValue); - break; - default: - break; - } - } - - /*Receive statistics */ - seq_printf(seq, "\nReceive statistics\n\n"); - - seq_printf(seq, "Received bytes %Lu\n", - (unsigned long long) pPnmiStat->StatRxOctetsOkCts); - seq_printf(seq, "Received packets %Lu\n", - (unsigned long long) pPnmiStat->StatRxOkCts); -#if 0 - if (pAC->GIni.GP[0].PhyType == SK_PHY_XMAC && - pAC->HWRevision < 12) { - pPnmiStruct->InErrorsCts = pPnmiStruct->InErrorsCts - - pPnmiStat->StatRxShortsCts; - pPnmiStat->StatRxShortsCts = 0; - } -#endif - if (dev->mtu > 1500) - pPnmiStruct->InErrorsCts = pPnmiStruct->InErrorsCts - - pPnmiStat->StatRxTooLongCts; - - seq_printf(seq, "Receive errors %Lu\n", - (unsigned long long) pPnmiStruct->InErrorsCts); - seq_printf(seq, "Receive dropped %Lu\n", - (unsigned long long) pPnmiStruct->RxNoBufCts); - seq_printf(seq, "Received multicast %Lu\n", - (unsigned long long) pPnmiStat->StatRxMulticastOkCts); - seq_printf(seq, "Receive error types\n"); - seq_printf(seq, " length %Lu\n", - (unsigned long long) pPnmiStat->StatRxRuntCts); - seq_printf(seq, " buffer overflow %Lu\n", - (unsigned long long) pPnmiStat->StatRxFifoOverflowCts); - seq_printf(seq, " bad crc %Lu\n", - (unsigned long long) pPnmiStat->StatRxFcsCts); - seq_printf(seq, " framing %Lu\n", - (unsigned long long) pPnmiStat->StatRxFramingCts); - seq_printf(seq, " missed frames %Lu\n", - (unsigned long long) pPnmiStat->StatRxMissedCts); - - if (dev->mtu > 1500) - pPnmiStat->StatRxTooLongCts = 0; - - seq_printf(seq, " too long %Lu\n", - (unsigned long long) pPnmiStat->StatRxTooLongCts); - seq_printf(seq, " carrier extension %Lu\n", - (unsigned long long) pPnmiStat->StatRxCextCts); - seq_printf(seq, " too short %Lu\n", - (unsigned long long) pPnmiStat->StatRxShortsCts); - seq_printf(seq, " symbol %Lu\n", - (unsigned long long) pPnmiStat->StatRxSymbolCts); - seq_printf(seq, " LLC MAC size %Lu\n", - (unsigned long long) pPnmiStat->StatRxIRLengthCts); - seq_printf(seq, " carrier event %Lu\n", - (unsigned long long) pPnmiStat->StatRxCarrierCts); - seq_printf(seq, " jabber %Lu\n", - (unsigned long long) pPnmiStat->StatRxJabberCts); - - - /*Transmit statistics */ - seq_printf(seq, "\nTransmit statistics\n\n"); - - seq_printf(seq, "Transmited bytes %Lu\n", - (unsigned long long) pPnmiStat->StatTxOctetsOkCts); - seq_printf(seq, "Transmited packets %Lu\n", - (unsigned long long) pPnmiStat->StatTxOkCts); - seq_printf(seq, "Transmit errors %Lu\n", - (unsigned long long) pPnmiStat->StatTxSingleCollisionCts); - seq_printf(seq, "Transmit dropped %Lu\n", - (unsigned long long) pPnmiStruct->TxNoBufCts); - seq_printf(seq, "Transmit collisions %Lu\n", - (unsigned long long) pPnmiStat->StatTxSingleCollisionCts); - seq_printf(seq, "Transmit error types\n"); - seq_printf(seq, " excessive collision %ld\n", - pAC->stats.tx_aborted_errors); - seq_printf(seq, " carrier %Lu\n", - (unsigned long long) pPnmiStat->StatTxCarrierCts); - seq_printf(seq, " fifo underrun %Lu\n", - (unsigned long long) pPnmiStat->StatTxFifoUnderrunCts); - seq_printf(seq, " heartbeat %Lu\n", - (unsigned long long) pPnmiStat->StatTxCarrierCts); - seq_printf(seq, " window %ld\n", - pAC->stats.tx_window_errors); - - } - } - return 0; -} - -/***************************************************************************** - * - * sk_proc_open - register the show function when proc is open'ed - * - * Description: - * This function is called whenever a sk98lin proc file is queried. - * - * Returns: the return value of single_open() - * - */ -static int sk_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, sk_seq_show, PDE(inode)->data); -} - -/******************************************************************************* - * - * End of file - * - ******************************************************************************/ diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 596c93b12da..bf55a4cfb3d 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -25,6 +25,7 @@ */ #include <linux/config.h> +#include <linux/in.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -43,7 +44,7 @@ #include "skge.h" #define DRV_NAME "skge" -#define DRV_VERSION "1.2" +#define DRV_VERSION "1.3" #define PFX DRV_NAME " " #define DEFAULT_TX_RING_SIZE 128 @@ -88,15 +89,14 @@ MODULE_DEVICE_TABLE(pci, skge_id_table); static int skge_up(struct net_device *dev); static int skge_down(struct net_device *dev); +static void skge_phy_reset(struct skge_port *skge); static void skge_tx_clean(struct skge_port *skge); static int xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val); static int gm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val); static void genesis_get_stats(struct skge_port *skge, u64 *data); static void yukon_get_stats(struct skge_port *skge, u64 *data); static void yukon_init(struct skge_hw *hw, int port); -static void yukon_reset(struct skge_hw *hw, int port); static void genesis_mac_init(struct skge_hw *hw, int port); -static void genesis_reset(struct skge_hw *hw, int port); static void genesis_link_up(struct skge_port *skge); /* Avoid conditionals by using array */ @@ -276,10 +276,9 @@ static int skge_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) skge->autoneg = ecmd->autoneg; skge->advertising = ecmd->advertising; - if (netif_running(dev)) { - skge_down(dev); - skge_up(dev); - } + if (netif_running(dev)) + skge_phy_reset(skge); + return (0); } @@ -399,6 +398,7 @@ static int skge_set_ring_param(struct net_device *dev, struct ethtool_ringparam *p) { struct skge_port *skge = netdev_priv(dev); + int err; if (p->rx_pending == 0 || p->rx_pending > MAX_RX_RING_SIZE || p->tx_pending == 0 || p->tx_pending > MAX_TX_RING_SIZE) @@ -409,7 +409,9 @@ static int skge_set_ring_param(struct net_device *dev, if (netif_running(dev)) { skge_down(dev); - skge_up(dev); + err = skge_up(dev); + if (err) + dev_close(dev); } return 0; @@ -430,21 +432,11 @@ static void skge_set_msglevel(struct net_device *netdev, u32 value) static int skge_nway_reset(struct net_device *dev) { struct skge_port *skge = netdev_priv(dev); - struct skge_hw *hw = skge->hw; - int port = skge->port; if (skge->autoneg != AUTONEG_ENABLE || !netif_running(dev)) return -EINVAL; - spin_lock_bh(&hw->phy_lock); - if (hw->chip_id == CHIP_ID_GENESIS) { - genesis_reset(hw, port); - genesis_mac_init(hw, port); - } else { - yukon_reset(hw, port); - yukon_init(hw, port); - } - spin_unlock_bh(&hw->phy_lock); + skge_phy_reset(skge); return 0; } @@ -516,10 +508,8 @@ static int skge_set_pauseparam(struct net_device *dev, else skge->flow_control = FLOW_MODE_NONE; - if (netif_running(dev)) { - skge_down(dev); - skge_up(dev); - } + if (netif_running(dev)) + skge_phy_reset(skge); return 0; } @@ -2019,6 +2009,25 @@ static void yukon_phy_intr(struct skge_port *skge) /* XXX restart autonegotiation? */ } +static void skge_phy_reset(struct skge_port *skge) +{ + struct skge_hw *hw = skge->hw; + int port = skge->port; + + netif_stop_queue(skge->netdev); + netif_carrier_off(skge->netdev); + + spin_lock_bh(&hw->phy_lock); + if (hw->chip_id == CHIP_ID_GENESIS) { + genesis_reset(hw, port); + genesis_mac_init(hw, port); + } else { + yukon_reset(hw, port); + yukon_init(hw, port); + } + spin_unlock_bh(&hw->phy_lock); +} + /* Basic MII support */ static int skge_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { @@ -2187,6 +2196,7 @@ static int skge_up(struct net_device *dev) kfree(skge->rx_ring.start); free_pci_mem: pci_free_consistent(hw->pdev, skge->mem_size, skge->mem, skge->dma); + skge->mem = NULL; return err; } @@ -2197,6 +2207,9 @@ static int skge_down(struct net_device *dev) struct skge_hw *hw = skge->hw; int port = skge->port; + if (skge->mem == NULL) + return 0; + if (netif_msg_ifdown(skge)) printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); @@ -2253,6 +2266,7 @@ static int skge_down(struct net_device *dev) kfree(skge->rx_ring.start); kfree(skge->tx_ring.start); pci_free_consistent(hw->pdev, skge->mem_size, skge->mem, skge->dma); + skge->mem = NULL; return 0; } @@ -2280,11 +2294,13 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) } if (unlikely(skge->tx_avail < skb_shinfo(skb)->nr_frags +1)) { - netif_stop_queue(dev); - spin_unlock_irqrestore(&skge->tx_lock, flags); + if (!netif_queue_stopped(dev)) { + netif_stop_queue(dev); - printk(KERN_WARNING PFX "%s: ring full when queue awake!\n", - dev->name); + printk(KERN_WARNING PFX "%s: ring full when queue awake!\n", + dev->name); + } + spin_unlock_irqrestore(&skge->tx_lock, flags); return NETDEV_TX_BUSY; } @@ -2300,14 +2316,12 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) td->dma_hi = map >> 32; if (skb->ip_summed == CHECKSUM_HW) { - const struct iphdr *ip - = (const struct iphdr *) (skb->data + ETH_HLEN); int offset = skb->h.raw - skb->data; /* This seems backwards, but it is what the sk98lin * does. Looks like hardware is wrong? */ - if (ip->protocol == IPPROTO_UDP + if (skb->h.ipiph->protocol == IPPROTO_UDP && hw->chip_rev == 0 && hw->chip_id == CHIP_ID_YUKON) control = BMU_TCP_CHECK; else @@ -2413,18 +2427,23 @@ static void skge_tx_timeout(struct net_device *dev) static int skge_change_mtu(struct net_device *dev, int new_mtu) { - int err = 0; - int running = netif_running(dev); + int err; if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) return -EINVAL; + if (!netif_running(dev)) { + dev->mtu = new_mtu; + return 0; + } + + skge_down(dev); - if (running) - skge_down(dev); dev->mtu = new_mtu; - if (running) - skge_up(dev); + + err = skge_up(dev); + if (err) + dev_close(dev); return err; } @@ -3224,12 +3243,22 @@ static int __devinit skge_probe(struct pci_dev *pdev, pci_set_master(pdev); - if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) + if (sizeof(dma_addr_t) > sizeof(u32) && + !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { using_dac = 1; - else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) { - printk(KERN_ERR PFX "%s no usable DMA configuration\n", - pci_name(pdev)); - goto err_out_free_regions; + err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); + if (err < 0) { + printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA " + "for consistent allocations\n", pci_name(pdev)); + goto err_out_free_regions; + } + } else { + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + printk(KERN_ERR PFX "%s no usable DMA configuration\n", + pci_name(pdev)); + goto err_out_free_regions; + } } #ifdef __BIG_ENDIAN @@ -3398,8 +3427,8 @@ static int skge_resume(struct pci_dev *pdev) struct net_device *dev = hw->dev[i]; if (dev) { netif_device_attach(dev); - if (netif_running(dev)) - skge_up(dev); + if (netif_running(dev) && skge_up(dev)) + dev_close(dev); } } return 0; diff --git a/drivers/net/skge.h b/drivers/net/skge.h index ee123c15f54..2efdacc290e 100644 --- a/drivers/net/skge.h +++ b/drivers/net/skge.h @@ -475,18 +475,6 @@ enum { Q_T2 = 0x40, /* 32 bit Test Register 2 */ Q_T3 = 0x44, /* 32 bit Test Register 3 */ -/* Yukon-2 */ - Q_DONE = 0x24, /* 16 bit Done Index (Yukon-2 only) */ - Q_WM = 0x40, /* 16 bit FIFO Watermark */ - Q_AL = 0x42, /* 8 bit FIFO Alignment */ - Q_RSP = 0x44, /* 16 bit FIFO Read Shadow Pointer */ - Q_RSL = 0x46, /* 8 bit FIFO Read Shadow Level */ - Q_RP = 0x48, /* 8 bit FIFO Read Pointer */ - Q_RL = 0x4a, /* 8 bit FIFO Read Level */ - Q_WP = 0x4c, /* 8 bit FIFO Write Pointer */ - Q_WSP = 0x4d, /* 8 bit FIFO Write Shadow Pointer */ - Q_WL = 0x4e, /* 8 bit FIFO Write Level */ - Q_WSL = 0x4f, /* 8 bit FIFO Write Shadow Level */ }; #define Q_ADDR(reg, offs) (B8_Q_REGS + (reg) + (offs)) @@ -675,22 +663,16 @@ enum { LED_OFF = 1<<0, /* switch LED off */ }; -/* Receive GMAC FIFO (YUKON and Yukon-2) */ +/* Receive GMAC FIFO (YUKON) */ enum { RX_GMF_EA = 0x0c40,/* 32 bit Rx GMAC FIFO End Address */ RX_GMF_AF_THR = 0x0c44,/* 32 bit Rx GMAC FIFO Almost Full Thresh. */ RX_GMF_CTRL_T = 0x0c48,/* 32 bit Rx GMAC FIFO Control/Test */ RX_GMF_FL_MSK = 0x0c4c,/* 32 bit Rx GMAC FIFO Flush Mask */ RX_GMF_FL_THR = 0x0c50,/* 32 bit Rx GMAC FIFO Flush Threshold */ - RX_GMF_TR_THR = 0x0c54,/* 32 bit Rx Truncation Threshold (Yukon-2) */ - - RX_GMF_VLAN = 0x0c5c,/* 32 bit Rx VLAN Type Register (Yukon-2) */ RX_GMF_WP = 0x0c60,/* 32 bit Rx GMAC FIFO Write Pointer */ - RX_GMF_WLEV = 0x0c68,/* 32 bit Rx GMAC FIFO Write Level */ - RX_GMF_RP = 0x0c70,/* 32 bit Rx GMAC FIFO Read Pointer */ - RX_GMF_RLEV = 0x0c78,/* 32 bit Rx GMAC FIFO Read Level */ }; @@ -855,48 +837,6 @@ enum { GMAC_TI_ST_TST = 0x0e1a,/* 8 bit Time Stamp Timer Test Reg */ }; -/* Status BMU Registers (Yukon-2 only)*/ -enum { - STAT_CTRL = 0x0e80,/* 32 bit Status BMU Control Reg */ - STAT_LAST_IDX = 0x0e84,/* 16 bit Status BMU Last Index */ - /* 0x0e85 - 0x0e86: reserved */ - STAT_LIST_ADDR_LO = 0x0e88,/* 32 bit Status List Start Addr (low) */ - STAT_LIST_ADDR_HI = 0x0e8c,/* 32 bit Status List Start Addr (high) */ - STAT_TXA1_RIDX = 0x0e90,/* 16 bit Status TxA1 Report Index Reg */ - STAT_TXS1_RIDX = 0x0e92,/* 16 bit Status TxS1 Report Index Reg */ - STAT_TXA2_RIDX = 0x0e94,/* 16 bit Status TxA2 Report Index Reg */ - STAT_TXS2_RIDX = 0x0e96,/* 16 bit Status TxS2 Report Index Reg */ - STAT_TX_IDX_TH = 0x0e98,/* 16 bit Status Tx Index Threshold Reg */ - STAT_PUT_IDX = 0x0e9c,/* 16 bit Status Put Index Reg */ - -/* FIFO Control/Status Registers (Yukon-2 only)*/ - STAT_FIFO_WP = 0x0ea0,/* 8 bit Status FIFO Write Pointer Reg */ - STAT_FIFO_RP = 0x0ea4,/* 8 bit Status FIFO Read Pointer Reg */ - STAT_FIFO_RSP = 0x0ea6,/* 8 bit Status FIFO Read Shadow Ptr */ - STAT_FIFO_LEVEL = 0x0ea8,/* 8 bit Status FIFO Level Reg */ - STAT_FIFO_SHLVL = 0x0eaa,/* 8 bit Status FIFO Shadow Level Reg */ - STAT_FIFO_WM = 0x0eac,/* 8 bit Status FIFO Watermark Reg */ - STAT_FIFO_ISR_WM = 0x0ead,/* 8 bit Status FIFO ISR Watermark Reg */ - -/* Level and ISR Timer Registers (Yukon-2 only)*/ - STAT_LEV_TIMER_INI = 0x0eb0,/* 32 bit Level Timer Init. Value Reg */ - STAT_LEV_TIMER_CNT = 0x0eb4,/* 32 bit Level Timer Counter Reg */ - STAT_LEV_TIMER_CTRL = 0x0eb8,/* 8 bit Level Timer Control Reg */ - STAT_LEV_TIMER_TEST = 0x0eb9,/* 8 bit Level Timer Test Reg */ - STAT_TX_TIMER_INI = 0x0ec0,/* 32 bit Tx Timer Init. Value Reg */ - STAT_TX_TIMER_CNT = 0x0ec4,/* 32 bit Tx Timer Counter Reg */ - STAT_TX_TIMER_CTRL = 0x0ec8,/* 8 bit Tx Timer Control Reg */ - STAT_TX_TIMER_TEST = 0x0ec9,/* 8 bit Tx Timer Test Reg */ - STAT_ISR_TIMER_INI = 0x0ed0,/* 32 bit ISR Timer Init. Value Reg */ - STAT_ISR_TIMER_CNT = 0x0ed4,/* 32 bit ISR Timer Counter Reg */ - STAT_ISR_TIMER_CTRL = 0x0ed8,/* 8 bit ISR Timer Control Reg */ - STAT_ISR_TIMER_TEST = 0x0ed9,/* 8 bit ISR Timer Test Reg */ - - ST_LAST_IDX_MASK = 0x007f,/* Last Index Mask */ - ST_TXRP_IDX_MASK = 0x0fff,/* Tx Report Index Mask */ - ST_TXTH_IDX_MASK = 0x0fff,/* Tx Threshold Index Mask */ - ST_WM_IDX_MASK = 0x3f,/* FIFO Watermark Index Mask */ -}; enum { LINKLED_OFF = 0x01, @@ -923,8 +863,6 @@ enum { WOL_MATCH_CTL = 0x0f22,/* 8 bit WOL Match Control Reg */ WOL_MATCH_RES = 0x0f23,/* 8 bit WOL Match Result Reg */ WOL_MAC_ADDR = 0x0f24,/* 32 bit WOL MAC Address */ - WOL_PATT_PME = 0x0f2a,/* 8 bit WOL PME Match Enable (Yukon-2) */ - WOL_PATT_ASFM = 0x0f2b,/* 8 bit WOL ASF Match Enable (Yukon-2) */ WOL_PATT_RPTR = 0x0f2c,/* 8 bit WOL Pattern Read Pointer */ /* WOL Pattern Length Registers (YUKON only) */ @@ -1641,15 +1579,6 @@ enum { PHY_M_FESC_SEL_CL_A = 1<<0, /* Select Class A driver (100B-TX) */ }; -/* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */ -/***** PHY_MARV_PHY_CTRL (page 2) 16 bit r/w MAC Specific Ctrl *****/ -enum { - PHY_M_MAC_MD_MSK = 7<<7, /* Bit 9.. 7: Mode Select Mask */ - PHY_M_MAC_MD_AUTO = 3,/* Auto Copper/1000Base-X */ - PHY_M_MAC_MD_COPPER = 5,/* Copper only */ - PHY_M_MAC_MD_1000BX = 7,/* 1000Base-X only */ -}; -#define PHY_M_MAC_MODE_SEL(x) (((x)<<7) & PHY_M_MAC_MD_MSK) /***** PHY_MARV_PHY_CTRL (page 3) 16 bit r/w LED Control Reg. *****/ enum { diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c new file mode 100644 index 00000000000..f8b973a04b6 --- /dev/null +++ b/drivers/net/sky2.c @@ -0,0 +1,3315 @@ +/* + * New driver for Marvell Yukon 2 chipset. + * Based on earlier sk98lin, and skge driver. + * + * This driver intentionally does not support all the features + * of the original driver such as link fail-over and link management because + * those should be done at higher levels. + * + * Copyright (C) 2005 Stephen Hemminger <shemminger@osdl.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* + * TOTEST + * - speed setting + * - suspend/resume + */ + +#include <linux/config.h> +#include <linux/crc32.h> +#include <linux/kernel.h> +#include <linux/version.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/dma-mapping.h> +#include <linux/etherdevice.h> +#include <linux/ethtool.h> +#include <linux/pci.h> +#include <linux/ip.h> +#include <linux/tcp.h> +#include <linux/in.h> +#include <linux/delay.h> +#include <linux/workqueue.h> +#include <linux/if_vlan.h> +#include <linux/prefetch.h> +#include <linux/mii.h> + +#include <asm/irq.h> + +#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) +#define SKY2_VLAN_TAG_USED 1 +#endif + +#include "sky2.h" + +#define DRV_NAME "sky2" +#define DRV_VERSION "0.13" +#define PFX DRV_NAME " " + +/* + * The Yukon II chipset takes 64 bit command blocks (called list elements) + * that are organized into three (receive, transmit, status) different rings + * similar to Tigon3. A transmit can require several elements; + * a receive requires one (or two if using 64 bit dma). + */ + +#define is_ec_a1(hw) \ + unlikely((hw)->chip_id == CHIP_ID_YUKON_EC && \ + (hw)->chip_rev == CHIP_REV_YU_EC_A1) + +#define RX_LE_SIZE 512 +#define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le)) +#define RX_MAX_PENDING (RX_LE_SIZE/2 - 2) +#define RX_DEF_PENDING RX_MAX_PENDING +#define RX_SKB_ALIGN 8 + +#define TX_RING_SIZE 512 +#define TX_DEF_PENDING (TX_RING_SIZE - 1) +#define TX_MIN_PENDING 64 +#define MAX_SKB_TX_LE (4 + 2*MAX_SKB_FRAGS) + +#define STATUS_RING_SIZE 2048 /* 2 ports * (TX + 2*RX) */ +#define STATUS_LE_BYTES (STATUS_RING_SIZE*sizeof(struct sky2_status_le)) +#define ETH_JUMBO_MTU 9000 +#define TX_WATCHDOG (5 * HZ) +#define NAPI_WEIGHT 64 +#define PHY_RETRIES 1000 + +static const u32 default_msg = + NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK + | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR + | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; + +static int debug = -1; /* defaults above */ +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); + +static int copybreak __read_mostly = 256; +module_param(copybreak, int, 0); +MODULE_PARM_DESC(copybreak, "Receive copy threshold"); + +static const struct pci_device_id sky2_id_table[] = { + { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, + { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b01) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, + { 0 } +}; + +MODULE_DEVICE_TABLE(pci, sky2_id_table); + +/* Avoid conditionals by using array */ +static const unsigned txqaddr[] = { Q_XA1, Q_XA2 }; +static const unsigned rxqaddr[] = { Q_R1, Q_R2 }; + +/* This driver supports yukon2 chipset only */ +static const char *yukon2_name[] = { + "XL", /* 0xb3 */ + "EC Ultra", /* 0xb4 */ + "UNKNOWN", /* 0xb5 */ + "EC", /* 0xb6 */ + "FE", /* 0xb7 */ +}; + +/* Access to external PHY */ +static int gm_phy_write(struct sky2_hw *hw, unsigned port, u16 reg, u16 val) +{ + int i; + + gma_write16(hw, port, GM_SMI_DATA, val); + gma_write16(hw, port, GM_SMI_CTRL, + GM_SMI_CT_PHY_AD(PHY_ADDR_MARV) | GM_SMI_CT_REG_AD(reg)); + + for (i = 0; i < PHY_RETRIES; i++) { + if (!(gma_read16(hw, port, GM_SMI_CTRL) & GM_SMI_CT_BUSY)) + return 0; + udelay(1); + } + + printk(KERN_WARNING PFX "%s: phy write timeout\n", hw->dev[port]->name); + return -ETIMEDOUT; +} + +static int __gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg, u16 *val) +{ + int i; + + gma_write16(hw, port, GM_SMI_CTRL, GM_SMI_CT_PHY_AD(PHY_ADDR_MARV) + | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD); + + for (i = 0; i < PHY_RETRIES; i++) { + if (gma_read16(hw, port, GM_SMI_CTRL) & GM_SMI_CT_RD_VAL) { + *val = gma_read16(hw, port, GM_SMI_DATA); + return 0; + } + + udelay(1); + } + + return -ETIMEDOUT; +} + +static u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) +{ + u16 v; + + if (__gm_phy_read(hw, port, reg, &v) != 0) + printk(KERN_WARNING PFX "%s: phy read timeout\n", hw->dev[port]->name); + return v; +} + +static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) +{ + u16 power_control; + u32 reg1; + int vaux; + int ret = 0; + + pr_debug("sky2_set_power_state %d\n", state); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); + + pci_read_config_word(hw->pdev, hw->pm_cap + PCI_PM_PMC, &power_control); + vaux = (sky2_read8(hw, B0_CTST) & Y2_VAUX_AVAIL) && + (power_control & PCI_PM_CAP_PME_D3cold); + + pci_read_config_word(hw->pdev, hw->pm_cap + PCI_PM_CTRL, &power_control); + + power_control |= PCI_PM_CTRL_PME_STATUS; + power_control &= ~(PCI_PM_CTRL_STATE_MASK); + + switch (state) { + case PCI_D0: + /* switch power to VCC (WA for VAUX problem) */ + sky2_write8(hw, B0_POWER_CTRL, + PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); + + /* disable Core Clock Division, */ + sky2_write32(hw, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); + + if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) + /* enable bits are inverted */ + sky2_write8(hw, B2_Y2_CLK_GATE, + Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | + Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | + Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); + else + sky2_write8(hw, B2_Y2_CLK_GATE, 0); + + /* Turn off phy power saving */ + pci_read_config_dword(hw->pdev, PCI_DEV_REG1, ®1); + reg1 &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); + + /* looks like this XL is back asswards .. */ + if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) { + reg1 |= PCI_Y2_PHY1_COMA; + if (hw->ports > 1) + reg1 |= PCI_Y2_PHY2_COMA; + } + pci_write_config_dword(hw->pdev, PCI_DEV_REG1, reg1); + break; + + case PCI_D3hot: + case PCI_D3cold: + /* Turn on phy power saving */ + pci_read_config_dword(hw->pdev, PCI_DEV_REG1, ®1); + if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) + reg1 &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); + else + reg1 |= (PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); + pci_write_config_dword(hw->pdev, PCI_DEV_REG1, reg1); + + if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) + sky2_write8(hw, B2_Y2_CLK_GATE, 0); + else + /* enable bits are inverted */ + sky2_write8(hw, B2_Y2_CLK_GATE, + Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | + Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | + Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); + + /* switch power to VAUX */ + if (vaux && state != PCI_D3cold) + sky2_write8(hw, B0_POWER_CTRL, + (PC_VAUX_ENA | PC_VCC_ENA | + PC_VAUX_ON | PC_VCC_OFF)); + break; + default: + printk(KERN_ERR PFX "Unknown power state %d\n", state); + ret = -1; + } + + pci_write_config_byte(hw->pdev, hw->pm_cap + PCI_PM_CTRL, power_control); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + return ret; +} + +static void sky2_phy_reset(struct sky2_hw *hw, unsigned port) +{ + u16 reg; + + /* disable all GMAC IRQ's */ + sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), 0); + /* disable PHY IRQs */ + gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); + + gma_write16(hw, port, GM_MC_ADDR_H1, 0); /* clear MC hash */ + gma_write16(hw, port, GM_MC_ADDR_H2, 0); + gma_write16(hw, port, GM_MC_ADDR_H3, 0); + gma_write16(hw, port, GM_MC_ADDR_H4, 0); + + reg = gma_read16(hw, port, GM_RX_CTRL); + reg |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA; + gma_write16(hw, port, GM_RX_CTRL, reg); +} + +static void sky2_phy_init(struct sky2_hw *hw, unsigned port) +{ + struct sky2_port *sky2 = netdev_priv(hw->dev[port]); + u16 ctrl, ct1000, adv, pg, ledctrl, ledover; + + if (sky2->autoneg == AUTONEG_ENABLE && hw->chip_id != CHIP_ID_YUKON_XL) { + u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); + + ectrl &= ~(PHY_M_EC_M_DSC_MSK | PHY_M_EC_S_DSC_MSK | + PHY_M_EC_MAC_S_MSK); + ectrl |= PHY_M_EC_MAC_S(MAC_TX_CLK_25_MHZ); + + if (hw->chip_id == CHIP_ID_YUKON_EC) + ectrl |= PHY_M_EC_DSC_2(2) | PHY_M_EC_DOWN_S_ENA; + else + ectrl |= PHY_M_EC_M_DSC(2) | PHY_M_EC_S_DSC(3); + + gm_phy_write(hw, port, PHY_MARV_EXT_CTRL, ectrl); + } + + ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); + if (hw->copper) { + if (hw->chip_id == CHIP_ID_YUKON_FE) { + /* enable automatic crossover */ + ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1; + } else { + /* disable energy detect */ + ctrl &= ~PHY_M_PC_EN_DET_MSK; + + /* enable automatic crossover */ + ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); + + if (sky2->autoneg == AUTONEG_ENABLE && + hw->chip_id == CHIP_ID_YUKON_XL) { + ctrl &= ~PHY_M_PC_DSC_MSK; + ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; + } + } + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); + } else { + /* workaround for deviation #4.88 (CRC errors) */ + /* disable Automatic Crossover */ + + ctrl &= ~PHY_M_PC_MDIX_MSK; + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); + + if (hw->chip_id == CHIP_ID_YUKON_XL) { + /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */ + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); + ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); + ctrl &= ~PHY_M_MAC_MD_MSK; + ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX); + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); + + /* select page 1 to access Fiber registers */ + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1); + } + } + + ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL); + if (sky2->autoneg == AUTONEG_DISABLE) + ctrl &= ~PHY_CT_ANE; + else + ctrl |= PHY_CT_ANE; + + ctrl |= PHY_CT_RESET; + gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); + + ctrl = 0; + ct1000 = 0; + adv = PHY_AN_CSMA; + + if (sky2->autoneg == AUTONEG_ENABLE) { + if (hw->copper) { + if (sky2->advertising & ADVERTISED_1000baseT_Full) + ct1000 |= PHY_M_1000C_AFD; + if (sky2->advertising & ADVERTISED_1000baseT_Half) + ct1000 |= PHY_M_1000C_AHD; + if (sky2->advertising & ADVERTISED_100baseT_Full) + adv |= PHY_M_AN_100_FD; + if (sky2->advertising & ADVERTISED_100baseT_Half) + adv |= PHY_M_AN_100_HD; + if (sky2->advertising & ADVERTISED_10baseT_Full) + adv |= PHY_M_AN_10_FD; + if (sky2->advertising & ADVERTISED_10baseT_Half) + adv |= PHY_M_AN_10_HD; + } else /* special defines for FIBER (88E1011S only) */ + adv |= PHY_M_AN_1000X_AHD | PHY_M_AN_1000X_AFD; + + /* Set Flow-control capabilities */ + if (sky2->tx_pause && sky2->rx_pause) + adv |= PHY_AN_PAUSE_CAP; /* symmetric */ + else if (sky2->rx_pause && !sky2->tx_pause) + adv |= PHY_AN_PAUSE_ASYM | PHY_AN_PAUSE_CAP; + else if (!sky2->rx_pause && sky2->tx_pause) + adv |= PHY_AN_PAUSE_ASYM; /* local */ + + /* Restart Auto-negotiation */ + ctrl |= PHY_CT_ANE | PHY_CT_RE_CFG; + } else { + /* forced speed/duplex settings */ + ct1000 = PHY_M_1000C_MSE; + + if (sky2->duplex == DUPLEX_FULL) + ctrl |= PHY_CT_DUP_MD; + + switch (sky2->speed) { + case SPEED_1000: + ctrl |= PHY_CT_SP1000; + break; + case SPEED_100: + ctrl |= PHY_CT_SP100; + break; + } + + ctrl |= PHY_CT_RESET; + } + + if (hw->chip_id != CHIP_ID_YUKON_FE) + gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000); + + gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv); + gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); + + /* Setup Phy LED's */ + ledctrl = PHY_M_LED_PULS_DUR(PULS_170MS); + ledover = 0; + + switch (hw->chip_id) { + case CHIP_ID_YUKON_FE: + /* on 88E3082 these bits are at 11..9 (shifted left) */ + ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) << 1; + + ctrl = gm_phy_read(hw, port, PHY_MARV_FE_LED_PAR); + + /* delete ACT LED control bits */ + ctrl &= ~PHY_M_FELP_LED1_MSK; + /* change ACT LED control to blink mode */ + ctrl |= PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_ACT_BL); + gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); + break; + + case CHIP_ID_YUKON_XL: + pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); + + /* select page 3 to access LED control register */ + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); + + /* set LED Function Control register */ + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ + PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */ + PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ + PHY_M_LEDC_STA0_CTRL(7))); /* 1000 Mbps */ + + /* set Polarity Control register */ + gm_phy_write(hw, port, PHY_MARV_PHY_STAT, + (PHY_M_POLC_LS1_P_MIX(4) | + PHY_M_POLC_IS0_P_MIX(4) | + PHY_M_POLC_LOS_CTRL(2) | + PHY_M_POLC_INIT_CTRL(2) | + PHY_M_POLC_STA1_CTRL(2) | + PHY_M_POLC_STA0_CTRL(2))); + + /* restore page register */ + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); + break; + + default: + /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ + ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL; + /* turn off the Rx LED (LED_RX) */ + ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); + } + + gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); + + if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { + /* turn on 100 Mbps LED (LED_LINK100) */ + ledover |= PHY_M_LED_MO_100(MO_LED_ON); + } + + if (ledover) + gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); + + /* Enable phy interrupt on auto-negotiation complete (or link up) */ + if (sky2->autoneg == AUTONEG_ENABLE) + gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL); + else + gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); +} + +/* Force a renegotiation */ +static void sky2_phy_reinit(struct sky2_port *sky2) +{ + down(&sky2->phy_sema); + sky2_phy_init(sky2->hw, sky2->port); + up(&sky2->phy_sema); +} + +static void sky2_mac_init(struct sky2_hw *hw, unsigned port) +{ + struct sky2_port *sky2 = netdev_priv(hw->dev[port]); + u16 reg; + int i; + const u8 *addr = hw->dev[port]->dev_addr; + + sky2_write32(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); + sky2_write32(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR|GPC_ENA_PAUSE); + + sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); + + if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 && port == 1) { + /* WA DEV_472 -- looks like crossed wires on port 2 */ + /* clear GMAC 1 Control reset */ + sky2_write8(hw, SK_REG(0, GMAC_CTRL), GMC_RST_CLR); + do { + sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_SET); + sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_CLR); + } while (gm_phy_read(hw, 1, PHY_MARV_ID0) != PHY_MARV_ID0_VAL || + gm_phy_read(hw, 1, PHY_MARV_ID1) != PHY_MARV_ID1_Y2 || + gm_phy_read(hw, 1, PHY_MARV_INT_MASK) != 0); + } + + if (sky2->autoneg == AUTONEG_DISABLE) { + reg = gma_read16(hw, port, GM_GP_CTRL); + reg |= GM_GPCR_AU_ALL_DIS; + gma_write16(hw, port, GM_GP_CTRL, reg); + gma_read16(hw, port, GM_GP_CTRL); + + switch (sky2->speed) { + case SPEED_1000: + reg |= GM_GPCR_SPEED_1000; + /* fallthru */ + case SPEED_100: + reg |= GM_GPCR_SPEED_100; + } + + if (sky2->duplex == DUPLEX_FULL) + reg |= GM_GPCR_DUP_FULL; + } else + reg = GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100 | GM_GPCR_DUP_FULL; + + if (!sky2->tx_pause && !sky2->rx_pause) { + sky2_write32(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); + reg |= + GM_GPCR_FC_TX_DIS | GM_GPCR_FC_RX_DIS | GM_GPCR_AU_FCT_DIS; + } else if (sky2->tx_pause && !sky2->rx_pause) { + /* disable Rx flow-control */ + reg |= GM_GPCR_FC_RX_DIS | GM_GPCR_AU_FCT_DIS; + } + + gma_write16(hw, port, GM_GP_CTRL, reg); + + sky2_read16(hw, SK_REG(port, GMAC_IRQ_SRC)); + + down(&sky2->phy_sema); + sky2_phy_init(hw, port); + up(&sky2->phy_sema); + + /* MIB clear */ + reg = gma_read16(hw, port, GM_PHY_ADDR); + gma_write16(hw, port, GM_PHY_ADDR, reg | GM_PAR_MIB_CLR); + + for (i = 0; i < GM_MIB_CNT_SIZE; i++) + gma_read16(hw, port, GM_MIB_CNT_BASE + 8 * i); + gma_write16(hw, port, GM_PHY_ADDR, reg); + + /* transmit control */ + gma_write16(hw, port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); + + /* receive control reg: unicast + multicast + no FCS */ + gma_write16(hw, port, GM_RX_CTRL, + GM_RXCR_UCF_ENA | GM_RXCR_CRC_DIS | GM_RXCR_MCF_ENA); + + /* transmit flow control */ + gma_write16(hw, port, GM_TX_FLOW_CTRL, 0xffff); + + /* transmit parameter */ + gma_write16(hw, port, GM_TX_PARAM, + TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | + TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | + TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | + TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); + + /* serial mode register */ + reg = DATA_BLIND_VAL(DATA_BLIND_DEF) | + GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); + + if (hw->dev[port]->mtu > ETH_DATA_LEN) + reg |= GM_SMOD_JUMBO_ENA; + + gma_write16(hw, port, GM_SERIAL_MODE, reg); + + /* virtual address for data */ + gma_set_addr(hw, port, GM_SRC_ADDR_2L, addr); + + /* physical address: used for pause frames */ + gma_set_addr(hw, port, GM_SRC_ADDR_1L, addr); + + /* ignore counter overflows */ + gma_write16(hw, port, GM_TX_IRQ_MSK, 0); + gma_write16(hw, port, GM_RX_IRQ_MSK, 0); + gma_write16(hw, port, GM_TR_IRQ_MSK, 0); + + /* Configure Rx MAC FIFO */ + sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR); + sky2_write16(hw, SK_REG(port, RX_GMF_CTRL_T), + GMF_RX_CTRL_DEF); + + /* Flush Rx MAC FIFO on any flow control or error */ + sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR); + + /* Set threshold to 0xa (64 bytes) + * ASF disabled so no need to do WA dev #4.30 + */ + sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF); + + /* Configure Tx MAC FIFO */ + sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); + sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON); + + if (hw->chip_id == CHIP_ID_YUKON_EC_U) { + sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8); + sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); + if (hw->dev[port]->mtu > ETH_DATA_LEN) { + /* set Tx GMAC FIFO Almost Empty Threshold */ + sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), 0x180); + /* Disable Store & Forward mode for TX */ + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS); + } + } + +} + +/* Assign Ram Buffer allocation. + * start and end are in units of 4k bytes + * ram registers are in units of 64bit words + */ +static void sky2_ramset(struct sky2_hw *hw, u16 q, u8 startk, u8 endk) +{ + u32 start, end; + + start = startk * 4096/8; + end = (endk * 4096/8) - 1; + + sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR); + sky2_write32(hw, RB_ADDR(q, RB_START), start); + sky2_write32(hw, RB_ADDR(q, RB_END), end); + sky2_write32(hw, RB_ADDR(q, RB_WP), start); + sky2_write32(hw, RB_ADDR(q, RB_RP), start); + + if (q == Q_R1 || q == Q_R2) { + u32 space = (endk - startk) * 4096/8; + u32 tp = space - space/4; + + /* On receive queue's set the thresholds + * give receiver priority when > 3/4 full + * send pause when down to 2K + */ + sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp); + sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2); + + tp = space - 2048/8; + sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp); + sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4); + } else { + /* Enable store & forward on Tx queue's because + * Tx FIFO is only 1K on Yukon + */ + sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_STFWD); + } + + sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_OP_MD); + sky2_read8(hw, RB_ADDR(q, RB_CTRL)); +} + +/* Setup Bus Memory Interface */ +static void sky2_qset(struct sky2_hw *hw, u16 q) +{ + sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_RESET); + sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_OPER_INIT); + sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_FIFO_OP_ON); + sky2_write32(hw, Q_ADDR(q, Q_WM), BMU_WM_DEFAULT); +} + +/* Setup prefetch unit registers. This is the interface between + * hardware and driver list elements + */ +static void sky2_prefetch_init(struct sky2_hw *hw, u32 qaddr, + u64 addr, u32 last) +{ + sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); + sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_CLR); + sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_HI), addr >> 32); + sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_LO), (u32) addr); + sky2_write16(hw, Y2_QADDR(qaddr, PREF_UNIT_LAST_IDX), last); + sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_OP_ON); + + sky2_read32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL)); +} + +static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2) +{ + struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod; + + sky2->tx_prod = (sky2->tx_prod + 1) % TX_RING_SIZE; + return le; +} + +/* + * This is a workaround code taken from SysKonnect sk98lin driver + * to deal with chip bug on Yukon EC rev 0 in the wraparound case. + */ +static void sky2_put_idx(struct sky2_hw *hw, unsigned q, + u16 idx, u16 *last, u16 size) +{ + wmb(); + if (is_ec_a1(hw) && idx < *last) { + u16 hwget = sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_GET_IDX)); + + if (hwget == 0) { + /* Start prefetching again */ + sky2_write8(hw, Y2_QADDR(q, PREF_UNIT_FIFO_WM), 0xe0); + goto setnew; + } + + if (hwget == size - 1) { + /* set watermark to one list element */ + sky2_write8(hw, Y2_QADDR(q, PREF_UNIT_FIFO_WM), 8); + + /* set put index to first list element */ + sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), 0); + } else /* have hardware go to end of list */ + sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), + size - 1); + } else { +setnew: + sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx); + } + *last = idx; + mmiowb(); +} + + +static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2) +{ + struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put; + sky2->rx_put = (sky2->rx_put + 1) % RX_LE_SIZE; + return le; +} + +/* Return high part of DMA address (could be 32 or 64 bit) */ +static inline u32 high32(dma_addr_t a) +{ + return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0; +} + +/* Build description to hardware about buffer */ +static void sky2_rx_add(struct sky2_port *sky2, dma_addr_t map) +{ + struct sky2_rx_le *le; + u32 hi = high32(map); + u16 len = sky2->rx_bufsize; + + if (sky2->rx_addr64 != hi) { + le = sky2_next_rx(sky2); + le->addr = cpu_to_le32(hi); + le->ctrl = 0; + le->opcode = OP_ADDR64 | HW_OWNER; + sky2->rx_addr64 = high32(map + len); + } + + le = sky2_next_rx(sky2); + le->addr = cpu_to_le32((u32) map); + le->length = cpu_to_le16(len); + le->ctrl = 0; + le->opcode = OP_PACKET | HW_OWNER; +} + + +/* Tell chip where to start receive checksum. + * Actually has two checksums, but set both same to avoid possible byte + * order problems. + */ +static void rx_set_checksum(struct sky2_port *sky2) +{ + struct sky2_rx_le *le; + + le = sky2_next_rx(sky2); + le->addr = (ETH_HLEN << 16) | ETH_HLEN; + le->ctrl = 0; + le->opcode = OP_TCPSTART | HW_OWNER; + + sky2_write32(sky2->hw, + Q_ADDR(rxqaddr[sky2->port], Q_CSR), + sky2->rx_csum ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); + +} + +/* + * The RX Stop command will not work for Yukon-2 if the BMU does not + * reach the end of packet and since we can't make sure that we have + * incoming data, we must reset the BMU while it is not doing a DMA + * transfer. Since it is possible that the RX path is still active, + * the RX RAM buffer will be stopped first, so any possible incoming + * data will not trigger a DMA. After the RAM buffer is stopped, the + * BMU is polled until any DMA in progress is ended and only then it + * will be reset. + */ +static void sky2_rx_stop(struct sky2_port *sky2) +{ + struct sky2_hw *hw = sky2->hw; + unsigned rxq = rxqaddr[sky2->port]; + int i; + + /* disable the RAM Buffer receive queue */ + sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_DIS_OP_MD); + + for (i = 0; i < 0xffff; i++) + if (sky2_read8(hw, RB_ADDR(rxq, Q_RSL)) + == sky2_read8(hw, RB_ADDR(rxq, Q_RL))) + goto stopped; + + printk(KERN_WARNING PFX "%s: receiver stop failed\n", + sky2->netdev->name); +stopped: + sky2_write32(hw, Q_ADDR(rxq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST); + + /* reset the Rx prefetch unit */ + sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); +} + +/* Clean out receive buffer area, assumes receiver hardware stopped */ +static void sky2_rx_clean(struct sky2_port *sky2) +{ + unsigned i; + + memset(sky2->rx_le, 0, RX_LE_BYTES); + for (i = 0; i < sky2->rx_pending; i++) { + struct ring_info *re = sky2->rx_ring + i; + + if (re->skb) { + pci_unmap_single(sky2->hw->pdev, + re->mapaddr, sky2->rx_bufsize, + PCI_DMA_FROMDEVICE); + kfree_skb(re->skb); + re->skb = NULL; + } + } +} + +/* Basic MII support */ +static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +{ + struct mii_ioctl_data *data = if_mii(ifr); + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + int err = -EOPNOTSUPP; + + if (!netif_running(dev)) + return -ENODEV; /* Phy still in reset */ + + switch(cmd) { + case SIOCGMIIPHY: + data->phy_id = PHY_ADDR_MARV; + + /* fallthru */ + case SIOCGMIIREG: { + u16 val = 0; + + down(&sky2->phy_sema); + err = __gm_phy_read(hw, sky2->port, data->reg_num & 0x1f, &val); + up(&sky2->phy_sema); + + data->val_out = val; + break; + } + + case SIOCSMIIREG: + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + down(&sky2->phy_sema); + err = gm_phy_write(hw, sky2->port, data->reg_num & 0x1f, + data->val_in); + up(&sky2->phy_sema); + break; + } + return err; +} + +#ifdef SKY2_VLAN_TAG_USED +static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + u16 port = sky2->port; + + spin_lock_bh(&sky2->tx_lock); + + sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON); + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON); + sky2->vlgrp = grp; + + spin_unlock_bh(&sky2->tx_lock); +} + +static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + u16 port = sky2->port; + + spin_lock_bh(&sky2->tx_lock); + + sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF); + sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF); + if (sky2->vlgrp) + sky2->vlgrp->vlan_devices[vid] = NULL; + + spin_unlock_bh(&sky2->tx_lock); +} +#endif + +/* + * It appears the hardware has a bug in the FIFO logic that + * cause it to hang if the FIFO gets overrun and the receive buffer + * is not aligned. ALso alloc_skb() won't align properly if slab + * debugging is enabled. + */ +static inline struct sk_buff *sky2_alloc_skb(unsigned int size, gfp_t gfp_mask) +{ + struct sk_buff *skb; + + skb = alloc_skb(size + RX_SKB_ALIGN, gfp_mask); + if (likely(skb)) { + unsigned long p = (unsigned long) skb->data; + skb_reserve(skb, + ((p + RX_SKB_ALIGN - 1) & ~(RX_SKB_ALIGN - 1)) - p); + } + + return skb; +} + +/* + * Allocate and setup receiver buffer pool. + * In case of 64 bit dma, there are 2X as many list elements + * available as ring entries + * and need to reserve one list element so we don't wrap around. + */ +static int sky2_rx_start(struct sky2_port *sky2) +{ + struct sky2_hw *hw = sky2->hw; + unsigned rxq = rxqaddr[sky2->port]; + int i; + + sky2->rx_put = sky2->rx_next = 0; + sky2_qset(hw, rxq); + sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); + + rx_set_checksum(sky2); + for (i = 0; i < sky2->rx_pending; i++) { + struct ring_info *re = sky2->rx_ring + i; + + re->skb = sky2_alloc_skb(sky2->rx_bufsize, GFP_KERNEL); + if (!re->skb) + goto nomem; + + re->mapaddr = pci_map_single(hw->pdev, re->skb->data, + sky2->rx_bufsize, PCI_DMA_FROMDEVICE); + sky2_rx_add(sky2, re->mapaddr); + } + + /* Tell chip about available buffers */ + sky2_write16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX), sky2->rx_put); + sky2->rx_last_put = sky2_read16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX)); + return 0; +nomem: + sky2_rx_clean(sky2); + return -ENOMEM; +} + +/* Bring up network interface. */ +static int sky2_up(struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + u32 ramsize, rxspace; + int err = -ENOMEM; + + if (netif_msg_ifup(sky2)) + printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); + + /* must be power of 2 */ + sky2->tx_le = pci_alloc_consistent(hw->pdev, + TX_RING_SIZE * + sizeof(struct sky2_tx_le), + &sky2->tx_le_map); + if (!sky2->tx_le) + goto err_out; + + sky2->tx_ring = kcalloc(TX_RING_SIZE, sizeof(struct tx_ring_info), + GFP_KERNEL); + if (!sky2->tx_ring) + goto err_out; + sky2->tx_prod = sky2->tx_cons = 0; + + sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, + &sky2->rx_le_map); + if (!sky2->rx_le) + goto err_out; + memset(sky2->rx_le, 0, RX_LE_BYTES); + + sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct ring_info), + GFP_KERNEL); + if (!sky2->rx_ring) + goto err_out; + + sky2_mac_init(hw, port); + + /* Determine available ram buffer space (in 4K blocks). + * Note: not sure about the FE setting below yet + */ + if (hw->chip_id == CHIP_ID_YUKON_FE) + ramsize = 4; + else + ramsize = sky2_read8(hw, B2_E_0); + + /* Give transmitter one third (rounded up) */ + rxspace = ramsize - (ramsize + 2) / 3; + + sky2_ramset(hw, rxqaddr[port], 0, rxspace); + sky2_ramset(hw, txqaddr[port], rxspace, ramsize); + + /* Make sure SyncQ is disabled */ + sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), + RB_RST_SET); + + sky2_qset(hw, txqaddr[port]); + if (hw->chip_id == CHIP_ID_YUKON_EC_U) + sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0); + + + sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, + TX_RING_SIZE - 1); + + err = sky2_rx_start(sky2); + if (err) + goto err_out; + + /* Enable interrupts from phy/mac for port */ + hw->intr_mask |= (port == 0) ? Y2_IS_PORT_1 : Y2_IS_PORT_2; + sky2_write32(hw, B0_IMSK, hw->intr_mask); + return 0; + +err_out: + if (sky2->rx_le) { + pci_free_consistent(hw->pdev, RX_LE_BYTES, + sky2->rx_le, sky2->rx_le_map); + sky2->rx_le = NULL; + } + if (sky2->tx_le) { + pci_free_consistent(hw->pdev, + TX_RING_SIZE * sizeof(struct sky2_tx_le), + sky2->tx_le, sky2->tx_le_map); + sky2->tx_le = NULL; + } + kfree(sky2->tx_ring); + kfree(sky2->rx_ring); + + sky2->tx_ring = NULL; + sky2->rx_ring = NULL; + return err; +} + +/* Modular subtraction in ring */ +static inline int tx_dist(unsigned tail, unsigned head) +{ + return (head - tail) % TX_RING_SIZE; +} + +/* Number of list elements available for next tx */ +static inline int tx_avail(const struct sky2_port *sky2) +{ + return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod); +} + +/* Estimate of number of transmit list elements required */ +static unsigned tx_le_req(const struct sk_buff *skb) +{ + unsigned count; + + count = sizeof(dma_addr_t) / sizeof(u32); + count += skb_shinfo(skb)->nr_frags * count; + + if (skb_shinfo(skb)->tso_size) + ++count; + + if (skb->ip_summed == CHECKSUM_HW) + ++count; + + return count; +} + +/* + * Put one packet in ring for transmit. + * A single packet can generate multiple list elements, and + * the number of ring elements will probably be less than the number + * of list elements used. + * + * No BH disabling for tx_lock here (like tg3) + */ +static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + struct sky2_tx_le *le = NULL; + struct tx_ring_info *re; + unsigned i, len; + dma_addr_t mapping; + u32 addr64; + u16 mss; + u8 ctrl; + + /* No BH disabling for tx_lock here. We are running in BH disabled + * context and TX reclaim runs via poll inside of a software + * interrupt, and no related locks in IRQ processing. + */ + if (!spin_trylock(&sky2->tx_lock)) + return NETDEV_TX_LOCKED; + + if (unlikely(tx_avail(sky2) < tx_le_req(skb))) { + /* There is a known but harmless race with lockless tx + * and netif_stop_queue. + */ + if (!netif_queue_stopped(dev)) { + netif_stop_queue(dev); + if (net_ratelimit()) + printk(KERN_WARNING PFX "%s: ring full when queue awake!\n", + dev->name); + } + spin_unlock(&sky2->tx_lock); + + return NETDEV_TX_BUSY; + } + + if (unlikely(netif_msg_tx_queued(sky2))) + printk(KERN_DEBUG "%s: tx queued, slot %u, len %d\n", + dev->name, sky2->tx_prod, skb->len); + + len = skb_headlen(skb); + mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); + addr64 = high32(mapping); + + re = sky2->tx_ring + sky2->tx_prod; + + /* Send high bits if changed or crosses boundary */ + if (addr64 != sky2->tx_addr64 || high32(mapping + len) != sky2->tx_addr64) { + le = get_tx_le(sky2); + le->tx.addr = cpu_to_le32(addr64); + le->ctrl = 0; + le->opcode = OP_ADDR64 | HW_OWNER; + sky2->tx_addr64 = high32(mapping + len); + } + + /* Check for TCP Segmentation Offload */ + mss = skb_shinfo(skb)->tso_size; + if (mss != 0) { + /* just drop the packet if non-linear expansion fails */ + if (skb_header_cloned(skb) && + pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { + dev_kfree_skb_any(skb); + goto out_unlock; + } + + mss += ((skb->h.th->doff - 5) * 4); /* TCP options */ + mss += (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr); + mss += ETH_HLEN; + } + + if (mss != sky2->tx_last_mss) { + le = get_tx_le(sky2); + le->tx.tso.size = cpu_to_le16(mss); + le->tx.tso.rsvd = 0; + le->opcode = OP_LRGLEN | HW_OWNER; + le->ctrl = 0; + sky2->tx_last_mss = mss; + } + + ctrl = 0; +#ifdef SKY2_VLAN_TAG_USED + /* Add VLAN tag, can piggyback on LRGLEN or ADDR64 */ + if (sky2->vlgrp && vlan_tx_tag_present(skb)) { + if (!le) { + le = get_tx_le(sky2); + le->tx.addr = 0; + le->opcode = OP_VLAN|HW_OWNER; + le->ctrl = 0; + } else + le->opcode |= OP_VLAN; + le->length = cpu_to_be16(vlan_tx_tag_get(skb)); + ctrl |= INS_VLAN; + } +#endif + + /* Handle TCP checksum offload */ + if (skb->ip_summed == CHECKSUM_HW) { + u16 hdr = skb->h.raw - skb->data; + u16 offset = hdr + skb->csum; + + ctrl = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; + if (skb->nh.iph->protocol == IPPROTO_UDP) + ctrl |= UDPTCP; + + le = get_tx_le(sky2); + le->tx.csum.start = cpu_to_le16(hdr); + le->tx.csum.offset = cpu_to_le16(offset); + le->length = 0; /* initial checksum value */ + le->ctrl = 1; /* one packet */ + le->opcode = OP_TCPLISW | HW_OWNER; + } + + le = get_tx_le(sky2); + le->tx.addr = cpu_to_le32((u32) mapping); + le->length = cpu_to_le16(len); + le->ctrl = ctrl; + le->opcode = mss ? (OP_LARGESEND | HW_OWNER) : (OP_PACKET | HW_OWNER); + + /* Record the transmit mapping info */ + re->skb = skb; + pci_unmap_addr_set(re, mapaddr, mapping); + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + struct tx_ring_info *fre; + + mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, + frag->size, PCI_DMA_TODEVICE); + addr64 = high32(mapping); + if (addr64 != sky2->tx_addr64) { + le = get_tx_le(sky2); + le->tx.addr = cpu_to_le32(addr64); + le->ctrl = 0; + le->opcode = OP_ADDR64 | HW_OWNER; + sky2->tx_addr64 = addr64; + } + + le = get_tx_le(sky2); + le->tx.addr = cpu_to_le32((u32) mapping); + le->length = cpu_to_le16(frag->size); + le->ctrl = ctrl; + le->opcode = OP_BUFFER | HW_OWNER; + + fre = sky2->tx_ring + + ((re - sky2->tx_ring) + i + 1) % TX_RING_SIZE; + pci_unmap_addr_set(fre, mapaddr, mapping); + } + + re->idx = sky2->tx_prod; + le->ctrl |= EOP; + + sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod, + &sky2->tx_last_put, TX_RING_SIZE); + + if (tx_avail(sky2) <= MAX_SKB_TX_LE) + netif_stop_queue(dev); + +out_unlock: + spin_unlock(&sky2->tx_lock); + + dev->trans_start = jiffies; + return NETDEV_TX_OK; +} + +/* + * Free ring elements from starting at tx_cons until "done" + * + * NB: the hardware will tell us about partial completion of multi-part + * buffers; these are deferred until completion. + */ +static void sky2_tx_complete(struct sky2_port *sky2, u16 done) +{ + struct net_device *dev = sky2->netdev; + struct pci_dev *pdev = sky2->hw->pdev; + u16 nxt, put; + unsigned i; + + BUG_ON(done >= TX_RING_SIZE); + + if (unlikely(netif_msg_tx_done(sky2))) + printk(KERN_DEBUG "%s: tx done, up to %u\n", + dev->name, done); + + for (put = sky2->tx_cons; put != done; put = nxt) { + struct tx_ring_info *re = sky2->tx_ring + put; + struct sk_buff *skb = re->skb; + + nxt = re->idx; + BUG_ON(nxt >= TX_RING_SIZE); + prefetch(sky2->tx_ring + nxt); + + /* Check for partial status */ + if (tx_dist(put, done) < tx_dist(put, nxt)) + break; + + skb = re->skb; + pci_unmap_single(pdev, pci_unmap_addr(re, mapaddr), + skb_headlen(skb), PCI_DMA_TODEVICE); + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + struct tx_ring_info *fre; + fre = sky2->tx_ring + (put + i + 1) % TX_RING_SIZE; + pci_unmap_page(pdev, pci_unmap_addr(fre, mapaddr), + skb_shinfo(skb)->frags[i].size, + PCI_DMA_TODEVICE); + } + + dev_kfree_skb_any(skb); + } + + sky2->tx_cons = put; + if (netif_queue_stopped(dev) && tx_avail(sky2) > MAX_SKB_TX_LE) + netif_wake_queue(dev); +} + +/* Cleanup all untransmitted buffers, assume transmitter not running */ +static void sky2_tx_clean(struct sky2_port *sky2) +{ + spin_lock_bh(&sky2->tx_lock); + sky2_tx_complete(sky2, sky2->tx_prod); + spin_unlock_bh(&sky2->tx_lock); +} + +/* Network shutdown */ +static int sky2_down(struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + u16 ctrl; + + /* Never really got started! */ + if (!sky2->tx_le) + return 0; + + if (netif_msg_ifdown(sky2)) + printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); + + /* Stop more packets from being queued */ + netif_stop_queue(dev); + + /* Disable port IRQ */ + local_irq_disable(); + hw->intr_mask &= ~((sky2->port == 0) ? Y2_IS_IRQ_PHY1 : Y2_IS_IRQ_PHY2); + sky2_write32(hw, B0_IMSK, hw->intr_mask); + local_irq_enable(); + + flush_scheduled_work(); + + sky2_phy_reset(hw, port); + + /* Stop transmitter */ + sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_STOP); + sky2_read32(hw, Q_ADDR(txqaddr[port], Q_CSR)); + + sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), + RB_RST_SET | RB_DIS_OP_MD); + + ctrl = gma_read16(hw, port, GM_GP_CTRL); + ctrl &= ~(GM_GPCR_TX_ENA | GM_GPCR_RX_ENA); + gma_write16(hw, port, GM_GP_CTRL, ctrl); + + sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); + + /* Workaround shared GMAC reset */ + if (!(hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 + && port == 0 && hw->dev[1] && netif_running(hw->dev[1]))) + sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET); + + /* Disable Force Sync bit and Enable Alloc bit */ + sky2_write8(hw, SK_REG(port, TXA_CTRL), + TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); + + /* Stop Interval Timer and Limit Counter of Tx Arbiter */ + sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L); + sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L); + + /* Reset the PCI FIFO of the async Tx queue */ + sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), + BMU_RST_SET | BMU_FIFO_RST); + + /* Reset the Tx prefetch units */ + sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL), + PREF_UNIT_RST_SET); + + sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); + + sky2_rx_stop(sky2); + + sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); + sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); + + /* turn off LED's */ + sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); + + synchronize_irq(hw->pdev->irq); + + sky2_tx_clean(sky2); + sky2_rx_clean(sky2); + + pci_free_consistent(hw->pdev, RX_LE_BYTES, + sky2->rx_le, sky2->rx_le_map); + kfree(sky2->rx_ring); + + pci_free_consistent(hw->pdev, + TX_RING_SIZE * sizeof(struct sky2_tx_le), + sky2->tx_le, sky2->tx_le_map); + kfree(sky2->tx_ring); + + sky2->tx_le = NULL; + sky2->rx_le = NULL; + + sky2->rx_ring = NULL; + sky2->tx_ring = NULL; + + return 0; +} + +static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux) +{ + if (!hw->copper) + return SPEED_1000; + + if (hw->chip_id == CHIP_ID_YUKON_FE) + return (aux & PHY_M_PS_SPEED_100) ? SPEED_100 : SPEED_10; + + switch (aux & PHY_M_PS_SPEED_MSK) { + case PHY_M_PS_SPEED_1000: + return SPEED_1000; + case PHY_M_PS_SPEED_100: + return SPEED_100; + default: + return SPEED_10; + } +} + +static void sky2_link_up(struct sky2_port *sky2) +{ + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + u16 reg; + + /* Enable Transmit FIFO Underrun */ + sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), GMAC_DEF_MSK); + + reg = gma_read16(hw, port, GM_GP_CTRL); + if (sky2->duplex == DUPLEX_FULL || sky2->autoneg == AUTONEG_ENABLE) + reg |= GM_GPCR_DUP_FULL; + + /* enable Rx/Tx */ + reg |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; + gma_write16(hw, port, GM_GP_CTRL, reg); + gma_read16(hw, port, GM_GP_CTRL); + + gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); + + netif_carrier_on(sky2->netdev); + netif_wake_queue(sky2->netdev); + + /* Turn on link LED */ + sky2_write8(hw, SK_REG(port, LNK_LED_REG), + LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); + + if (hw->chip_id == CHIP_ID_YUKON_XL) { + u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); + + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ + PHY_M_LEDC_INIT_CTRL(sky2->speed == + SPEED_10 ? 7 : 0) | + PHY_M_LEDC_STA1_CTRL(sky2->speed == + SPEED_100 ? 7 : 0) | + PHY_M_LEDC_STA0_CTRL(sky2->speed == + SPEED_1000 ? 7 : 0)); + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); + } + + if (netif_msg_link(sky2)) + printk(KERN_INFO PFX + "%s: Link is up at %d Mbps, %s duplex, flow control %s\n", + sky2->netdev->name, sky2->speed, + sky2->duplex == DUPLEX_FULL ? "full" : "half", + (sky2->tx_pause && sky2->rx_pause) ? "both" : + sky2->tx_pause ? "tx" : sky2->rx_pause ? "rx" : "none"); +} + +static void sky2_link_down(struct sky2_port *sky2) +{ + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + u16 reg; + + gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); + + reg = gma_read16(hw, port, GM_GP_CTRL); + reg &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); + gma_write16(hw, port, GM_GP_CTRL, reg); + gma_read16(hw, port, GM_GP_CTRL); /* PCI post */ + + if (sky2->rx_pause && !sky2->tx_pause) { + /* restore Asymmetric Pause bit */ + gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, + gm_phy_read(hw, port, PHY_MARV_AUNE_ADV) + | PHY_M_AN_ASP); + } + + netif_carrier_off(sky2->netdev); + netif_stop_queue(sky2->netdev); + + /* Turn on link LED */ + sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF); + + if (netif_msg_link(sky2)) + printk(KERN_INFO PFX "%s: Link is down.\n", sky2->netdev->name); + sky2_phy_init(hw, port); +} + +static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) +{ + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + u16 lpa; + + lpa = gm_phy_read(hw, port, PHY_MARV_AUNE_LP); + + if (lpa & PHY_M_AN_RF) { + printk(KERN_ERR PFX "%s: remote fault", sky2->netdev->name); + return -1; + } + + if (hw->chip_id != CHIP_ID_YUKON_FE && + gm_phy_read(hw, port, PHY_MARV_1000T_STAT) & PHY_B_1000S_MSF) { + printk(KERN_ERR PFX "%s: master/slave fault", + sky2->netdev->name); + return -1; + } + + if (!(aux & PHY_M_PS_SPDUP_RES)) { + printk(KERN_ERR PFX "%s: speed/duplex mismatch", + sky2->netdev->name); + return -1; + } + + sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; + + sky2->speed = sky2_phy_speed(hw, aux); + + /* Pause bits are offset (9..8) */ + if (hw->chip_id == CHIP_ID_YUKON_XL) + aux >>= 6; + + sky2->rx_pause = (aux & PHY_M_PS_RX_P_EN) != 0; + sky2->tx_pause = (aux & PHY_M_PS_TX_P_EN) != 0; + + if ((sky2->tx_pause || sky2->rx_pause) + && !(sky2->speed < SPEED_1000 && sky2->duplex == DUPLEX_HALF)) + sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); + else + sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); + + return 0; +} + +/* + * Interrupt from PHY are handled outside of interrupt context + * because accessing phy registers requires spin wait which might + * cause excess interrupt latency. + */ +static void sky2_phy_task(void *arg) +{ + struct sky2_port *sky2 = arg; + struct sky2_hw *hw = sky2->hw; + u16 istatus, phystat; + + down(&sky2->phy_sema); + istatus = gm_phy_read(hw, sky2->port, PHY_MARV_INT_STAT); + phystat = gm_phy_read(hw, sky2->port, PHY_MARV_PHY_STAT); + + if (netif_msg_intr(sky2)) + printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n", + sky2->netdev->name, istatus, phystat); + + if (istatus & PHY_M_IS_AN_COMPL) { + if (sky2_autoneg_done(sky2, phystat) == 0) + sky2_link_up(sky2); + goto out; + } + + if (istatus & PHY_M_IS_LSP_CHANGE) + sky2->speed = sky2_phy_speed(hw, phystat); + + if (istatus & PHY_M_IS_DUP_CHANGE) + sky2->duplex = + (phystat & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; + + if (istatus & PHY_M_IS_LST_CHANGE) { + if (phystat & PHY_M_PS_LINK_UP) + sky2_link_up(sky2); + else + sky2_link_down(sky2); + } +out: + up(&sky2->phy_sema); + + local_irq_disable(); + hw->intr_mask |= (sky2->port == 0) ? Y2_IS_IRQ_PHY1 : Y2_IS_IRQ_PHY2; + sky2_write32(hw, B0_IMSK, hw->intr_mask); + local_irq_enable(); +} + + +/* Transmit timeout is only called if we are running, carries is up + * and tx queue is full (stopped). + */ +static void sky2_tx_timeout(struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + unsigned txq = txqaddr[sky2->port]; + u16 ridx; + + /* Maybe we just missed an status interrupt */ + spin_lock(&sky2->tx_lock); + ridx = sky2_read16(hw, + sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX); + sky2_tx_complete(sky2, ridx); + spin_unlock(&sky2->tx_lock); + + if (!netif_queue_stopped(dev)) { + if (net_ratelimit()) + pr_info(PFX "transmit interrupt missed? recovered\n"); + return; + } + + if (netif_msg_timer(sky2)) + printk(KERN_ERR PFX "%s: tx timeout\n", dev->name); + + sky2_write32(hw, Q_ADDR(txq, Q_CSR), BMU_STOP); + sky2_write32(hw, Y2_QADDR(txq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); + + sky2_tx_clean(sky2); + + sky2_qset(hw, txq); + sky2_prefetch_init(hw, txq, sky2->tx_le_map, TX_RING_SIZE - 1); +} + + +#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) +/* Want receive buffer size to be multiple of 64 bits, and incl room for vlan */ +static inline unsigned sky2_buf_size(int mtu) +{ + return roundup(mtu + ETH_HLEN + 4, 8); +} + +static int sky2_change_mtu(struct net_device *dev, int new_mtu) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + int err; + u16 ctl, mode; + + if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) + return -EINVAL; + + if (hw->chip_id == CHIP_ID_YUKON_EC_U && new_mtu > ETH_DATA_LEN) + return -EINVAL; + + if (!netif_running(dev)) { + dev->mtu = new_mtu; + return 0; + } + + sky2_write32(hw, B0_IMSK, 0); + + dev->trans_start = jiffies; /* prevent tx timeout */ + netif_stop_queue(dev); + netif_poll_disable(hw->dev[0]); + + ctl = gma_read16(hw, sky2->port, GM_GP_CTRL); + gma_write16(hw, sky2->port, GM_GP_CTRL, ctl & ~GM_GPCR_RX_ENA); + sky2_rx_stop(sky2); + sky2_rx_clean(sky2); + + dev->mtu = new_mtu; + sky2->rx_bufsize = sky2_buf_size(new_mtu); + mode = DATA_BLIND_VAL(DATA_BLIND_DEF) | + GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); + + if (dev->mtu > ETH_DATA_LEN) + mode |= GM_SMOD_JUMBO_ENA; + + gma_write16(hw, sky2->port, GM_SERIAL_MODE, mode); + + sky2_write8(hw, RB_ADDR(rxqaddr[sky2->port], RB_CTRL), RB_ENA_OP_MD); + + err = sky2_rx_start(sky2); + sky2_write32(hw, B0_IMSK, hw->intr_mask); + + if (err) + dev_close(dev); + else { + gma_write16(hw, sky2->port, GM_GP_CTRL, ctl); + + netif_poll_enable(hw->dev[0]); + netif_wake_queue(dev); + } + + return err; +} + +/* + * Receive one packet. + * For small packets or errors, just reuse existing skb. + * For larger packets, get new buffer. + */ +static struct sk_buff *sky2_receive(struct sky2_port *sky2, + u16 length, u32 status) +{ + struct ring_info *re = sky2->rx_ring + sky2->rx_next; + struct sk_buff *skb = NULL; + + if (unlikely(netif_msg_rx_status(sky2))) + printk(KERN_DEBUG PFX "%s: rx slot %u status 0x%x len %d\n", + sky2->netdev->name, sky2->rx_next, status, length); + + sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending; + prefetch(sky2->rx_ring + sky2->rx_next); + + if (status & GMR_FS_ANY_ERR) + goto error; + + if (!(status & GMR_FS_RX_OK)) + goto resubmit; + + if ((status >> 16) != length || length > sky2->rx_bufsize) + goto oversize; + + if (length < copybreak) { + skb = alloc_skb(length + 2, GFP_ATOMIC); + if (!skb) + goto resubmit; + + skb_reserve(skb, 2); + pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->mapaddr, + length, PCI_DMA_FROMDEVICE); + memcpy(skb->data, re->skb->data, length); + skb->ip_summed = re->skb->ip_summed; + skb->csum = re->skb->csum; + pci_dma_sync_single_for_device(sky2->hw->pdev, re->mapaddr, + length, PCI_DMA_FROMDEVICE); + } else { + struct sk_buff *nskb; + + nskb = sky2_alloc_skb(sky2->rx_bufsize, GFP_ATOMIC); + if (!nskb) + goto resubmit; + + skb = re->skb; + re->skb = nskb; + pci_unmap_single(sky2->hw->pdev, re->mapaddr, + sky2->rx_bufsize, PCI_DMA_FROMDEVICE); + prefetch(skb->data); + + re->mapaddr = pci_map_single(sky2->hw->pdev, nskb->data, + sky2->rx_bufsize, PCI_DMA_FROMDEVICE); + } + + skb_put(skb, length); +resubmit: + re->skb->ip_summed = CHECKSUM_NONE; + sky2_rx_add(sky2, re->mapaddr); + + /* Tell receiver about new buffers. */ + sky2_put_idx(sky2->hw, rxqaddr[sky2->port], sky2->rx_put, + &sky2->rx_last_put, RX_LE_SIZE); + + return skb; + +oversize: + ++sky2->net_stats.rx_over_errors; + goto resubmit; + +error: + ++sky2->net_stats.rx_errors; + + if (netif_msg_rx_err(sky2) && net_ratelimit()) + printk(KERN_INFO PFX "%s: rx error, status 0x%x length %d\n", + sky2->netdev->name, status, length); + + if (status & (GMR_FS_LONG_ERR | GMR_FS_UN_SIZE)) + sky2->net_stats.rx_length_errors++; + if (status & GMR_FS_FRAGMENT) + sky2->net_stats.rx_frame_errors++; + if (status & GMR_FS_CRC_ERR) + sky2->net_stats.rx_crc_errors++; + if (status & GMR_FS_RX_FF_OV) + sky2->net_stats.rx_fifo_errors++; + + goto resubmit; +} + +/* + * Check for transmit complete + */ +#define TX_NO_STATUS 0xffff + +static void sky2_tx_check(struct sky2_hw *hw, int port, u16 last) +{ + if (last != TX_NO_STATUS) { + struct net_device *dev = hw->dev[port]; + if (dev && netif_running(dev)) { + struct sky2_port *sky2 = netdev_priv(dev); + + spin_lock(&sky2->tx_lock); + sky2_tx_complete(sky2, last); + spin_unlock(&sky2->tx_lock); + } + } +} + +/* + * Both ports share the same status interrupt, therefore there is only + * one poll routine. + */ +static int sky2_poll(struct net_device *dev0, int *budget) +{ + struct sky2_hw *hw = ((struct sky2_port *) netdev_priv(dev0))->hw; + unsigned int to_do = min(dev0->quota, *budget); + unsigned int work_done = 0; + u16 hwidx; + u16 tx_done[2] = { TX_NO_STATUS, TX_NO_STATUS }; + + hwidx = sky2_read16(hw, STAT_PUT_IDX); + BUG_ON(hwidx >= STATUS_RING_SIZE); + rmb(); + + while (hwidx != hw->st_idx) { + struct sky2_status_le *le = hw->st_le + hw->st_idx; + struct net_device *dev; + struct sky2_port *sky2; + struct sk_buff *skb; + u32 status; + u16 length; + + le = hw->st_le + hw->st_idx; + hw->st_idx = (hw->st_idx + 1) % STATUS_RING_SIZE; + prefetch(hw->st_le + hw->st_idx); + + BUG_ON(le->link >= 2); + dev = hw->dev[le->link]; + if (dev == NULL || !netif_running(dev)) + continue; + + sky2 = netdev_priv(dev); + status = le32_to_cpu(le->status); + length = le16_to_cpu(le->length); + + switch (le->opcode & ~HW_OWNER) { + case OP_RXSTAT: + skb = sky2_receive(sky2, length, status); + if (!skb) + break; + + skb->dev = dev; + skb->protocol = eth_type_trans(skb, dev); + dev->last_rx = jiffies; + +#ifdef SKY2_VLAN_TAG_USED + if (sky2->vlgrp && (status & GMR_FS_VLAN)) { + vlan_hwaccel_receive_skb(skb, + sky2->vlgrp, + be16_to_cpu(sky2->rx_tag)); + } else +#endif + netif_receive_skb(skb); + + if (++work_done >= to_do) + goto exit_loop; + break; + +#ifdef SKY2_VLAN_TAG_USED + case OP_RXVLAN: + sky2->rx_tag = length; + break; + + case OP_RXCHKSVLAN: + sky2->rx_tag = length; + /* fall through */ +#endif + case OP_RXCHKS: + skb = sky2->rx_ring[sky2->rx_next].skb; + skb->ip_summed = CHECKSUM_HW; + skb->csum = le16_to_cpu(status); + break; + + case OP_TXINDEXLE: + /* TX index reports status for both ports */ + tx_done[0] = status & 0xffff; + tx_done[1] = ((status >> 24) & 0xff) + | (u16)(length & 0xf) << 8; + break; + + default: + if (net_ratelimit()) + printk(KERN_WARNING PFX + "unknown status opcode 0x%x\n", le->opcode); + break; + } + } + +exit_loop: + sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); + + sky2_tx_check(hw, 0, tx_done[0]); + sky2_tx_check(hw, 1, tx_done[1]); + + if (sky2_read16(hw, STAT_PUT_IDX) == hw->st_idx) { + /* need to restart TX timer */ + if (is_ec_a1(hw)) { + sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); + sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); + } + + netif_rx_complete(dev0); + hw->intr_mask |= Y2_IS_STAT_BMU; + sky2_write32(hw, B0_IMSK, hw->intr_mask); + return 0; + } else { + *budget -= work_done; + dev0->quota -= work_done; + return 1; + } +} + +static void sky2_hw_error(struct sky2_hw *hw, unsigned port, u32 status) +{ + struct net_device *dev = hw->dev[port]; + + if (net_ratelimit()) + printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n", + dev->name, status); + + if (status & Y2_IS_PAR_RD1) { + if (net_ratelimit()) + printk(KERN_ERR PFX "%s: ram data read parity error\n", + dev->name); + /* Clear IRQ */ + sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR); + } + + if (status & Y2_IS_PAR_WR1) { + if (net_ratelimit()) + printk(KERN_ERR PFX "%s: ram data write parity error\n", + dev->name); + + sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR); + } + + if (status & Y2_IS_PAR_MAC1) { + if (net_ratelimit()) + printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name); + sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE); + } + + if (status & Y2_IS_PAR_RX1) { + if (net_ratelimit()) + printk(KERN_ERR PFX "%s: RX parity error\n", dev->name); + sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR); + } + + if (status & Y2_IS_TCP_TXA1) { + if (net_ratelimit()) + printk(KERN_ERR PFX "%s: TCP segmentation error\n", + dev->name); + sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP); + } +} + +static void sky2_hw_intr(struct sky2_hw *hw) +{ + u32 status = sky2_read32(hw, B0_HWE_ISRC); + + if (status & Y2_IS_TIST_OV) + sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); + + if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { + u16 pci_err; + + pci_read_config_word(hw->pdev, PCI_STATUS, &pci_err); + if (net_ratelimit()) + printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n", + pci_name(hw->pdev), pci_err); + + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); + pci_write_config_word(hw->pdev, PCI_STATUS, + pci_err | PCI_STATUS_ERROR_BITS); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + } + + if (status & Y2_IS_PCI_EXP) { + /* PCI-Express uncorrectable Error occurred */ + u32 pex_err; + + pci_read_config_dword(hw->pdev, PEX_UNC_ERR_STAT, &pex_err); + + if (net_ratelimit()) + printk(KERN_ERR PFX "%s: pci express error (0x%x)\n", + pci_name(hw->pdev), pex_err); + + /* clear the interrupt */ + sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); + pci_write_config_dword(hw->pdev, PEX_UNC_ERR_STAT, + 0xffffffffUL); + sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + + if (pex_err & PEX_FATAL_ERRORS) { + u32 hwmsk = sky2_read32(hw, B0_HWE_IMSK); + hwmsk &= ~Y2_IS_PCI_EXP; + sky2_write32(hw, B0_HWE_IMSK, hwmsk); + } + } + + if (status & Y2_HWE_L1_MASK) + sky2_hw_error(hw, 0, status); + status >>= 8; + if (status & Y2_HWE_L1_MASK) + sky2_hw_error(hw, 1, status); +} + +static void sky2_mac_intr(struct sky2_hw *hw, unsigned port) +{ + struct net_device *dev = hw->dev[port]; + struct sky2_port *sky2 = netdev_priv(dev); + u8 status = sky2_read8(hw, SK_REG(port, GMAC_IRQ_SRC)); + + if (netif_msg_intr(sky2)) + printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n", + dev->name, status); + + if (status & GM_IS_RX_FF_OR) { + ++sky2->net_stats.rx_fifo_errors; + sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); + } + + if (status & GM_IS_TX_FF_UR) { + ++sky2->net_stats.tx_fifo_errors; + sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); + } +} + +static void sky2_phy_intr(struct sky2_hw *hw, unsigned port) +{ + struct net_device *dev = hw->dev[port]; + struct sky2_port *sky2 = netdev_priv(dev); + + hw->intr_mask &= ~(port == 0 ? Y2_IS_IRQ_PHY1 : Y2_IS_IRQ_PHY2); + sky2_write32(hw, B0_IMSK, hw->intr_mask); + schedule_work(&sky2->phy_task); +} + +static irqreturn_t sky2_intr(int irq, void *dev_id, struct pt_regs *regs) +{ + struct sky2_hw *hw = dev_id; + struct net_device *dev0 = hw->dev[0]; + u32 status; + + status = sky2_read32(hw, B0_Y2_SP_ISRC2); + if (status == 0 || status == ~0) + return IRQ_NONE; + + if (status & Y2_IS_HW_ERR) + sky2_hw_intr(hw); + + /* Do NAPI for Rx and Tx status */ + if (status & Y2_IS_STAT_BMU) { + hw->intr_mask &= ~Y2_IS_STAT_BMU; + sky2_write32(hw, B0_IMSK, hw->intr_mask); + + if (likely(__netif_rx_schedule_prep(dev0))) { + prefetch(&hw->st_le[hw->st_idx]); + __netif_rx_schedule(dev0); + } + } + + if (status & Y2_IS_IRQ_PHY1) + sky2_phy_intr(hw, 0); + + if (status & Y2_IS_IRQ_PHY2) + sky2_phy_intr(hw, 1); + + if (status & Y2_IS_IRQ_MAC1) + sky2_mac_intr(hw, 0); + + if (status & Y2_IS_IRQ_MAC2) + sky2_mac_intr(hw, 1); + + sky2_write32(hw, B0_Y2_SP_ICR, 2); + + sky2_read32(hw, B0_IMSK); + + return IRQ_HANDLED; +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void sky2_netpoll(struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + + sky2_intr(sky2->hw->pdev->irq, sky2->hw, NULL); +} +#endif + +/* Chip internal frequency for clock calculations */ +static inline u32 sky2_mhz(const struct sky2_hw *hw) +{ + switch (hw->chip_id) { + case CHIP_ID_YUKON_EC: + case CHIP_ID_YUKON_EC_U: + return 125; /* 125 Mhz */ + case CHIP_ID_YUKON_FE: + return 100; /* 100 Mhz */ + default: /* YUKON_XL */ + return 156; /* 156 Mhz */ + } +} + +static inline u32 sky2_us2clk(const struct sky2_hw *hw, u32 us) +{ + return sky2_mhz(hw) * us; +} + +static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk) +{ + return clk / sky2_mhz(hw); +} + + +static int sky2_reset(struct sky2_hw *hw) +{ + u32 ctst; + u16 status; + u8 t8, pmd_type; + int i; + + ctst = sky2_read32(hw, B0_CTST); + + sky2_write8(hw, B0_CTST, CS_RST_CLR); + hw->chip_id = sky2_read8(hw, B2_CHIP_ID); + if (hw->chip_id < CHIP_ID_YUKON_XL || hw->chip_id > CHIP_ID_YUKON_FE) { + printk(KERN_ERR PFX "%s: unsupported chip type 0x%x\n", + pci_name(hw->pdev), hw->chip_id); + return -EOPNOTSUPP; + } + + /* ring for status responses */ + hw->st_le = pci_alloc_consistent(hw->pdev, STATUS_LE_BYTES, + &hw->st_dma); + if (!hw->st_le) + return -ENOMEM; + + /* disable ASF */ + if (hw->chip_id <= CHIP_ID_YUKON_EC) { + sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); + sky2_write16(hw, B0_CTST, Y2_ASF_DISABLE); + } + + /* do a SW reset */ + sky2_write8(hw, B0_CTST, CS_RST_SET); + sky2_write8(hw, B0_CTST, CS_RST_CLR); + + /* clear PCI errors, if any */ + pci_read_config_word(hw->pdev, PCI_STATUS, &status); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); + pci_write_config_word(hw->pdev, PCI_STATUS, + status | PCI_STATUS_ERROR_BITS); + + sky2_write8(hw, B0_CTST, CS_MRST_CLR); + + /* clear any PEX errors */ + if (is_pciex(hw)) { + u16 lstat; + pci_write_config_dword(hw->pdev, PEX_UNC_ERR_STAT, + 0xffffffffUL); + pci_read_config_word(hw->pdev, PEX_LNK_STAT, &lstat); + } + + pmd_type = sky2_read8(hw, B2_PMD_TYP); + hw->copper = !(pmd_type == 'L' || pmd_type == 'S'); + + hw->ports = 1; + t8 = sky2_read8(hw, B2_Y2_HW_RES); + if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { + if (!(sky2_read8(hw, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) + ++hw->ports; + } + hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; + + sky2_set_power_state(hw, PCI_D0); + + for (i = 0; i < hw->ports; i++) { + sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); + sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); + } + + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + + /* Clear I2C IRQ noise */ + sky2_write32(hw, B2_I2C_IRQ, 1); + + /* turn off hardware timer (unused) */ + sky2_write8(hw, B2_TI_CTRL, TIM_STOP); + sky2_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ); + + sky2_write8(hw, B0_Y2LED, LED_STAT_ON); + + /* Turn off descriptor polling */ + sky2_write32(hw, B28_DPT_CTRL, DPT_STOP); + + /* Turn off receive timestamp */ + sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_STOP); + sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); + + /* enable the Tx Arbiters */ + for (i = 0; i < hw->ports; i++) + sky2_write8(hw, SK_REG(i, TXA_CTRL), TXA_ENA_ARB); + + /* Initialize ram interface */ + for (i = 0; i < hw->ports; i++) { + sky2_write8(hw, RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); + + sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R1), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA1), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS1), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R1), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA1), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS1), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R2), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA2), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS2), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R2), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA2), SK_RI_TO_53); + sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS2), SK_RI_TO_53); + } + + sky2_write32(hw, B0_HWE_IMSK, Y2_HWE_ALL_MASK); + + for (i = 0; i < hw->ports; i++) + sky2_phy_reset(hw, i); + + memset(hw->st_le, 0, STATUS_LE_BYTES); + hw->st_idx = 0; + + sky2_write32(hw, STAT_CTRL, SC_STAT_RST_SET); + sky2_write32(hw, STAT_CTRL, SC_STAT_RST_CLR); + + sky2_write32(hw, STAT_LIST_ADDR_LO, hw->st_dma); + sky2_write32(hw, STAT_LIST_ADDR_HI, (u64) hw->st_dma >> 32); + + /* Set the list last index */ + sky2_write16(hw, STAT_LAST_IDX, STATUS_RING_SIZE - 1); + + /* These status setup values are copied from SysKonnect's driver */ + if (is_ec_a1(hw)) { + /* WA for dev. #4.3 */ + sky2_write16(hw, STAT_TX_IDX_TH, 0xfff); /* Tx Threshold */ + + /* set Status-FIFO watermark */ + sky2_write8(hw, STAT_FIFO_WM, 0x21); /* WA for dev. #4.18 */ + + /* set Status-FIFO ISR watermark */ + sky2_write8(hw, STAT_FIFO_ISR_WM, 0x07); /* WA for dev. #4.18 */ + sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 10000)); + } else { + sky2_write16(hw, STAT_TX_IDX_TH, 10); + sky2_write8(hw, STAT_FIFO_WM, 16); + + /* set Status-FIFO ISR watermark */ + if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0) + sky2_write8(hw, STAT_FIFO_ISR_WM, 4); + else + sky2_write8(hw, STAT_FIFO_ISR_WM, 16); + + sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000)); + sky2_write32(hw, STAT_LEV_TIMER_INI, sky2_us2clk(hw, 100)); + sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20)); + } + + /* enable status unit */ + sky2_write32(hw, STAT_CTRL, SC_STAT_OP_ON); + + sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); + sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); + sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); + + return 0; +} + +static u32 sky2_supported_modes(const struct sky2_hw *hw) +{ + u32 modes; + if (hw->copper) { + modes = SUPPORTED_10baseT_Half + | SUPPORTED_10baseT_Full + | SUPPORTED_100baseT_Half + | SUPPORTED_100baseT_Full + | SUPPORTED_Autoneg | SUPPORTED_TP; + + if (hw->chip_id != CHIP_ID_YUKON_FE) + modes |= SUPPORTED_1000baseT_Half + | SUPPORTED_1000baseT_Full; + } else + modes = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE + | SUPPORTED_Autoneg; + return modes; +} + +static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + + ecmd->transceiver = XCVR_INTERNAL; + ecmd->supported = sky2_supported_modes(hw); + ecmd->phy_address = PHY_ADDR_MARV; + if (hw->copper) { + ecmd->supported = SUPPORTED_10baseT_Half + | SUPPORTED_10baseT_Full + | SUPPORTED_100baseT_Half + | SUPPORTED_100baseT_Full + | SUPPORTED_1000baseT_Half + | SUPPORTED_1000baseT_Full + | SUPPORTED_Autoneg | SUPPORTED_TP; + ecmd->port = PORT_TP; + } else + ecmd->port = PORT_FIBRE; + + ecmd->advertising = sky2->advertising; + ecmd->autoneg = sky2->autoneg; + ecmd->speed = sky2->speed; + ecmd->duplex = sky2->duplex; + return 0; +} + +static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) +{ + struct sky2_port *sky2 = netdev_priv(dev); + const struct sky2_hw *hw = sky2->hw; + u32 supported = sky2_supported_modes(hw); + + if (ecmd->autoneg == AUTONEG_ENABLE) { + ecmd->advertising = supported; + sky2->duplex = -1; + sky2->speed = -1; + } else { + u32 setting; + + switch (ecmd->speed) { + case SPEED_1000: + if (ecmd->duplex == DUPLEX_FULL) + setting = SUPPORTED_1000baseT_Full; + else if (ecmd->duplex == DUPLEX_HALF) + setting = SUPPORTED_1000baseT_Half; + else + return -EINVAL; + break; + case SPEED_100: + if (ecmd->duplex == DUPLEX_FULL) + setting = SUPPORTED_100baseT_Full; + else if (ecmd->duplex == DUPLEX_HALF) + setting = SUPPORTED_100baseT_Half; + else + return -EINVAL; + break; + + case SPEED_10: + if (ecmd->duplex == DUPLEX_FULL) + setting = SUPPORTED_10baseT_Full; + else if (ecmd->duplex == DUPLEX_HALF) + setting = SUPPORTED_10baseT_Half; + else + return -EINVAL; + break; + default: + return -EINVAL; + } + + if ((setting & supported) == 0) + return -EINVAL; + + sky2->speed = ecmd->speed; + sky2->duplex = ecmd->duplex; + } + + sky2->autoneg = ecmd->autoneg; + sky2->advertising = ecmd->advertising; + + if (netif_running(dev)) + sky2_phy_reinit(sky2); + + return 0; +} + +static void sky2_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + struct sky2_port *sky2 = netdev_priv(dev); + + strcpy(info->driver, DRV_NAME); + strcpy(info->version, DRV_VERSION); + strcpy(info->fw_version, "N/A"); + strcpy(info->bus_info, pci_name(sky2->hw->pdev)); +} + +static const struct sky2_stat { + char name[ETH_GSTRING_LEN]; + u16 offset; +} sky2_stats[] = { + { "tx_bytes", GM_TXO_OK_HI }, + { "rx_bytes", GM_RXO_OK_HI }, + { "tx_broadcast", GM_TXF_BC_OK }, + { "rx_broadcast", GM_RXF_BC_OK }, + { "tx_multicast", GM_TXF_MC_OK }, + { "rx_multicast", GM_RXF_MC_OK }, + { "tx_unicast", GM_TXF_UC_OK }, + { "rx_unicast", GM_RXF_UC_OK }, + { "tx_mac_pause", GM_TXF_MPAUSE }, + { "rx_mac_pause", GM_RXF_MPAUSE }, + { "collisions", GM_TXF_SNG_COL }, + { "late_collision",GM_TXF_LAT_COL }, + { "aborted", GM_TXF_ABO_COL }, + { "multi_collisions", GM_TXF_MUL_COL }, + { "fifo_underrun", GM_TXE_FIFO_UR }, + { "fifo_overflow", GM_RXE_FIFO_OV }, + { "rx_toolong", GM_RXF_LNG_ERR }, + { "rx_jabber", GM_RXF_JAB_PKT }, + { "rx_runt", GM_RXE_FRAG }, + { "rx_too_long", GM_RXF_LNG_ERR }, + { "rx_fcs_error", GM_RXF_FCS_ERR }, +}; + +static u32 sky2_get_rx_csum(struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + + return sky2->rx_csum; +} + +static int sky2_set_rx_csum(struct net_device *dev, u32 data) +{ + struct sky2_port *sky2 = netdev_priv(dev); + + sky2->rx_csum = data; + + sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), + data ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); + + return 0; +} + +static u32 sky2_get_msglevel(struct net_device *netdev) +{ + struct sky2_port *sky2 = netdev_priv(netdev); + return sky2->msg_enable; +} + +static int sky2_nway_reset(struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + + if (sky2->autoneg != AUTONEG_ENABLE) + return -EINVAL; + + sky2_phy_reinit(sky2); + + return 0; +} + +static void sky2_phy_stats(struct sky2_port *sky2, u64 * data, unsigned count) +{ + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + int i; + + data[0] = (u64) gma_read32(hw, port, GM_TXO_OK_HI) << 32 + | (u64) gma_read32(hw, port, GM_TXO_OK_LO); + data[1] = (u64) gma_read32(hw, port, GM_RXO_OK_HI) << 32 + | (u64) gma_read32(hw, port, GM_RXO_OK_LO); + + for (i = 2; i < count; i++) + data[i] = (u64) gma_read32(hw, port, sky2_stats[i].offset); +} + +static void sky2_set_msglevel(struct net_device *netdev, u32 value) +{ + struct sky2_port *sky2 = netdev_priv(netdev); + sky2->msg_enable = value; +} + +static int sky2_get_stats_count(struct net_device *dev) +{ + return ARRAY_SIZE(sky2_stats); +} + +static void sky2_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 * data) +{ + struct sky2_port *sky2 = netdev_priv(dev); + + sky2_phy_stats(sky2, data, ARRAY_SIZE(sky2_stats)); +} + +static void sky2_get_strings(struct net_device *dev, u32 stringset, u8 * data) +{ + int i; + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < ARRAY_SIZE(sky2_stats); i++) + memcpy(data + i * ETH_GSTRING_LEN, + sky2_stats[i].name, ETH_GSTRING_LEN); + break; + } +} + +/* Use hardware MIB variables for critical path statistics and + * transmit feedback not reported at interrupt. + * Other errors are accounted for in interrupt handler. + */ +static struct net_device_stats *sky2_get_stats(struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + u64 data[13]; + + sky2_phy_stats(sky2, data, ARRAY_SIZE(data)); + + sky2->net_stats.tx_bytes = data[0]; + sky2->net_stats.rx_bytes = data[1]; + sky2->net_stats.tx_packets = data[2] + data[4] + data[6]; + sky2->net_stats.rx_packets = data[3] + data[5] + data[7]; + sky2->net_stats.multicast = data[5] + data[7]; + sky2->net_stats.collisions = data[10]; + sky2->net_stats.tx_aborted_errors = data[12]; + + return &sky2->net_stats; +} + +static int sky2_set_mac_address(struct net_device *dev, void *p) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sockaddr *addr = p; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); + memcpy_toio(sky2->hw->regs + B2_MAC_1 + sky2->port * 8, + dev->dev_addr, ETH_ALEN); + memcpy_toio(sky2->hw->regs + B2_MAC_2 + sky2->port * 8, + dev->dev_addr, ETH_ALEN); + + if (netif_running(dev)) + sky2_phy_reinit(sky2); + + return 0; +} + +static void sky2_set_multicast(struct net_device *dev) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + struct dev_mc_list *list = dev->mc_list; + u16 reg; + u8 filter[8]; + + memset(filter, 0, sizeof(filter)); + + reg = gma_read16(hw, port, GM_RX_CTRL); + reg |= GM_RXCR_UCF_ENA; + + if (dev->flags & IFF_PROMISC) /* promiscuous */ + reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); + else if ((dev->flags & IFF_ALLMULTI) || dev->mc_count > 16) /* all multicast */ + memset(filter, 0xff, sizeof(filter)); + else if (dev->mc_count == 0) /* no multicast */ + reg &= ~GM_RXCR_MCF_ENA; + else { + int i; + reg |= GM_RXCR_MCF_ENA; + + for (i = 0; list && i < dev->mc_count; i++, list = list->next) { + u32 bit = ether_crc(ETH_ALEN, list->dmi_addr) & 0x3f; + filter[bit / 8] |= 1 << (bit % 8); + } + } + + gma_write16(hw, port, GM_MC_ADDR_H1, + (u16) filter[0] | ((u16) filter[1] << 8)); + gma_write16(hw, port, GM_MC_ADDR_H2, + (u16) filter[2] | ((u16) filter[3] << 8)); + gma_write16(hw, port, GM_MC_ADDR_H3, + (u16) filter[4] | ((u16) filter[5] << 8)); + gma_write16(hw, port, GM_MC_ADDR_H4, + (u16) filter[6] | ((u16) filter[7] << 8)); + + gma_write16(hw, port, GM_RX_CTRL, reg); +} + +/* Can have one global because blinking is controlled by + * ethtool and that is always under RTNL mutex + */ +static void sky2_led(struct sky2_hw *hw, unsigned port, int on) +{ + u16 pg; + + switch (hw->chip_id) { + case CHIP_ID_YUKON_XL: + pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, + on ? (PHY_M_LEDC_LOS_CTRL(1) | + PHY_M_LEDC_INIT_CTRL(7) | + PHY_M_LEDC_STA1_CTRL(7) | + PHY_M_LEDC_STA0_CTRL(7)) + : 0); + + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); + break; + + default: + gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0); + gm_phy_write(hw, port, PHY_MARV_LED_OVER, + on ? PHY_M_LED_MO_DUP(MO_LED_ON) | + PHY_M_LED_MO_10(MO_LED_ON) | + PHY_M_LED_MO_100(MO_LED_ON) | + PHY_M_LED_MO_1000(MO_LED_ON) | + PHY_M_LED_MO_RX(MO_LED_ON) + : PHY_M_LED_MO_DUP(MO_LED_OFF) | + PHY_M_LED_MO_10(MO_LED_OFF) | + PHY_M_LED_MO_100(MO_LED_OFF) | + PHY_M_LED_MO_1000(MO_LED_OFF) | + PHY_M_LED_MO_RX(MO_LED_OFF)); + + } +} + +/* blink LED's for finding board */ +static int sky2_phys_id(struct net_device *dev, u32 data) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + u16 ledctrl, ledover = 0; + long ms; + int interrupted; + int onoff = 1; + + if (!data || data > (u32) (MAX_SCHEDULE_TIMEOUT / HZ)) + ms = jiffies_to_msecs(MAX_SCHEDULE_TIMEOUT); + else + ms = data * 1000; + + /* save initial values */ + down(&sky2->phy_sema); + if (hw->chip_id == CHIP_ID_YUKON_XL) { + u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); + ledctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); + } else { + ledctrl = gm_phy_read(hw, port, PHY_MARV_LED_CTRL); + ledover = gm_phy_read(hw, port, PHY_MARV_LED_OVER); + } + + interrupted = 0; + while (!interrupted && ms > 0) { + sky2_led(hw, port, onoff); + onoff = !onoff; + + up(&sky2->phy_sema); + interrupted = msleep_interruptible(250); + down(&sky2->phy_sema); + + ms -= 250; + } + + /* resume regularly scheduled programming */ + if (hw->chip_id == CHIP_ID_YUKON_XL) { + u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ledctrl); + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); + } else { + gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); + gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); + } + up(&sky2->phy_sema); + + return 0; +} + +static void sky2_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *ecmd) +{ + struct sky2_port *sky2 = netdev_priv(dev); + + ecmd->tx_pause = sky2->tx_pause; + ecmd->rx_pause = sky2->rx_pause; + ecmd->autoneg = sky2->autoneg; +} + +static int sky2_set_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *ecmd) +{ + struct sky2_port *sky2 = netdev_priv(dev); + int err = 0; + + sky2->autoneg = ecmd->autoneg; + sky2->tx_pause = ecmd->tx_pause != 0; + sky2->rx_pause = ecmd->rx_pause != 0; + + sky2_phy_reinit(sky2); + + return err; +} + +#ifdef CONFIG_PM +static void sky2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct sky2_port *sky2 = netdev_priv(dev); + + wol->supported = WAKE_MAGIC; + wol->wolopts = sky2->wol ? WAKE_MAGIC : 0; +} + +static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + + if (wol->wolopts != WAKE_MAGIC && wol->wolopts != 0) + return -EOPNOTSUPP; + + sky2->wol = wol->wolopts == WAKE_MAGIC; + + if (sky2->wol) { + memcpy_toio(hw->regs + WOL_MAC_ADDR, dev->dev_addr, ETH_ALEN); + + sky2_write16(hw, WOL_CTRL_STAT, + WOL_CTL_ENA_PME_ON_MAGIC_PKT | + WOL_CTL_ENA_MAGIC_PKT_UNIT); + } else + sky2_write16(hw, WOL_CTRL_STAT, WOL_CTL_DEFAULT); + + return 0; +} +#endif + +static int sky2_get_coalesce(struct net_device *dev, + struct ethtool_coalesce *ecmd) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + + if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_STOP) + ecmd->tx_coalesce_usecs = 0; + else { + u32 clks = sky2_read32(hw, STAT_TX_TIMER_INI); + ecmd->tx_coalesce_usecs = sky2_clk2us(hw, clks); + } + ecmd->tx_max_coalesced_frames = sky2_read16(hw, STAT_TX_IDX_TH); + + if (sky2_read8(hw, STAT_LEV_TIMER_CTRL) == TIM_STOP) + ecmd->rx_coalesce_usecs = 0; + else { + u32 clks = sky2_read32(hw, STAT_LEV_TIMER_INI); + ecmd->rx_coalesce_usecs = sky2_clk2us(hw, clks); + } + ecmd->rx_max_coalesced_frames = sky2_read8(hw, STAT_FIFO_WM); + + if (sky2_read8(hw, STAT_ISR_TIMER_CTRL) == TIM_STOP) + ecmd->rx_coalesce_usecs_irq = 0; + else { + u32 clks = sky2_read32(hw, STAT_ISR_TIMER_INI); + ecmd->rx_coalesce_usecs_irq = sky2_clk2us(hw, clks); + } + + ecmd->rx_max_coalesced_frames_irq = sky2_read8(hw, STAT_FIFO_ISR_WM); + + return 0; +} + +/* Note: this affect both ports */ +static int sky2_set_coalesce(struct net_device *dev, + struct ethtool_coalesce *ecmd) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + const u32 tmin = sky2_clk2us(hw, 1); + const u32 tmax = 5000; + + if (ecmd->tx_coalesce_usecs != 0 && + (ecmd->tx_coalesce_usecs < tmin || ecmd->tx_coalesce_usecs > tmax)) + return -EINVAL; + + if (ecmd->rx_coalesce_usecs != 0 && + (ecmd->rx_coalesce_usecs < tmin || ecmd->rx_coalesce_usecs > tmax)) + return -EINVAL; + + if (ecmd->rx_coalesce_usecs_irq != 0 && + (ecmd->rx_coalesce_usecs_irq < tmin || ecmd->rx_coalesce_usecs_irq > tmax)) + return -EINVAL; + + if (ecmd->tx_max_coalesced_frames > 0xffff) + return -EINVAL; + if (ecmd->rx_max_coalesced_frames > 0xff) + return -EINVAL; + if (ecmd->rx_max_coalesced_frames_irq > 0xff) + return -EINVAL; + + if (ecmd->tx_coalesce_usecs == 0) + sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); + else { + sky2_write32(hw, STAT_TX_TIMER_INI, + sky2_us2clk(hw, ecmd->tx_coalesce_usecs)); + sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); + } + sky2_write16(hw, STAT_TX_IDX_TH, ecmd->tx_max_coalesced_frames); + + if (ecmd->rx_coalesce_usecs == 0) + sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_STOP); + else { + sky2_write32(hw, STAT_LEV_TIMER_INI, + sky2_us2clk(hw, ecmd->rx_coalesce_usecs)); + sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); + } + sky2_write8(hw, STAT_FIFO_WM, ecmd->rx_max_coalesced_frames); + + if (ecmd->rx_coalesce_usecs_irq == 0) + sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_STOP); + else { + sky2_write32(hw, STAT_TX_TIMER_INI, + sky2_us2clk(hw, ecmd->rx_coalesce_usecs_irq)); + sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); + } + sky2_write8(hw, STAT_FIFO_ISR_WM, ecmd->rx_max_coalesced_frames_irq); + return 0; +} + +static void sky2_get_ringparam(struct net_device *dev, + struct ethtool_ringparam *ering) +{ + struct sky2_port *sky2 = netdev_priv(dev); + + ering->rx_max_pending = RX_MAX_PENDING; + ering->rx_mini_max_pending = 0; + ering->rx_jumbo_max_pending = 0; + ering->tx_max_pending = TX_RING_SIZE - 1; + + ering->rx_pending = sky2->rx_pending; + ering->rx_mini_pending = 0; + ering->rx_jumbo_pending = 0; + ering->tx_pending = sky2->tx_pending; +} + +static int sky2_set_ringparam(struct net_device *dev, + struct ethtool_ringparam *ering) +{ + struct sky2_port *sky2 = netdev_priv(dev); + int err = 0; + + if (ering->rx_pending > RX_MAX_PENDING || + ering->rx_pending < 8 || + ering->tx_pending < MAX_SKB_TX_LE || + ering->tx_pending > TX_RING_SIZE - 1) + return -EINVAL; + + if (netif_running(dev)) + sky2_down(dev); + + sky2->rx_pending = ering->rx_pending; + sky2->tx_pending = ering->tx_pending; + + if (netif_running(dev)) { + err = sky2_up(dev); + if (err) + dev_close(dev); + else + sky2_set_multicast(dev); + } + + return err; +} + +static int sky2_get_regs_len(struct net_device *dev) +{ + return 0x4000; +} + +/* + * Returns copy of control register region + * Note: access to the RAM address register set will cause timeouts. + */ +static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *p) +{ + const struct sky2_port *sky2 = netdev_priv(dev); + const void __iomem *io = sky2->hw->regs; + + BUG_ON(regs->len < B3_RI_WTO_R1); + regs->version = 1; + memset(p, 0, regs->len); + + memcpy_fromio(p, io, B3_RAM_ADDR); + + memcpy_fromio(p + B3_RI_WTO_R1, + io + B3_RI_WTO_R1, + regs->len - B3_RI_WTO_R1); +} + +static struct ethtool_ops sky2_ethtool_ops = { + .get_settings = sky2_get_settings, + .set_settings = sky2_set_settings, + .get_drvinfo = sky2_get_drvinfo, + .get_msglevel = sky2_get_msglevel, + .set_msglevel = sky2_set_msglevel, + .nway_reset = sky2_nway_reset, + .get_regs_len = sky2_get_regs_len, + .get_regs = sky2_get_regs, + .get_link = ethtool_op_get_link, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = ethtool_op_set_tx_csum, + .get_tso = ethtool_op_get_tso, + .set_tso = ethtool_op_set_tso, + .get_rx_csum = sky2_get_rx_csum, + .set_rx_csum = sky2_set_rx_csum, + .get_strings = sky2_get_strings, + .get_coalesce = sky2_get_coalesce, + .set_coalesce = sky2_set_coalesce, + .get_ringparam = sky2_get_ringparam, + .set_ringparam = sky2_set_ringparam, + .get_pauseparam = sky2_get_pauseparam, + .set_pauseparam = sky2_set_pauseparam, +#ifdef CONFIG_PM + .get_wol = sky2_get_wol, + .set_wol = sky2_set_wol, +#endif + .phys_id = sky2_phys_id, + .get_stats_count = sky2_get_stats_count, + .get_ethtool_stats = sky2_get_ethtool_stats, + .get_perm_addr = ethtool_op_get_perm_addr, +}; + +/* Initialize network device */ +static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, + unsigned port, int highmem) +{ + struct sky2_port *sky2; + struct net_device *dev = alloc_etherdev(sizeof(*sky2)); + + if (!dev) { + printk(KERN_ERR "sky2 etherdev alloc failed"); + return NULL; + } + + SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &hw->pdev->dev); + dev->irq = hw->pdev->irq; + dev->open = sky2_up; + dev->stop = sky2_down; + dev->do_ioctl = sky2_ioctl; + dev->hard_start_xmit = sky2_xmit_frame; + dev->get_stats = sky2_get_stats; + dev->set_multicast_list = sky2_set_multicast; + dev->set_mac_address = sky2_set_mac_address; + dev->change_mtu = sky2_change_mtu; + SET_ETHTOOL_OPS(dev, &sky2_ethtool_ops); + dev->tx_timeout = sky2_tx_timeout; + dev->watchdog_timeo = TX_WATCHDOG; + if (port == 0) + dev->poll = sky2_poll; + dev->weight = NAPI_WEIGHT; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = sky2_netpoll; +#endif + + sky2 = netdev_priv(dev); + sky2->netdev = dev; + sky2->hw = hw; + sky2->msg_enable = netif_msg_init(debug, default_msg); + + spin_lock_init(&sky2->tx_lock); + /* Auto speed and flow control */ + sky2->autoneg = AUTONEG_ENABLE; + sky2->tx_pause = 1; + sky2->rx_pause = 1; + sky2->duplex = -1; + sky2->speed = -1; + sky2->advertising = sky2_supported_modes(hw); + + /* Receive checksum disabled for Yukon XL + * because of observed problems with incorrect + * values when multiple packets are received in one interrupt + */ + sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL); + + INIT_WORK(&sky2->phy_task, sky2_phy_task, sky2); + init_MUTEX(&sky2->phy_sema); + sky2->tx_pending = TX_DEF_PENDING; + sky2->rx_pending = is_ec_a1(hw) ? 8 : RX_DEF_PENDING; + sky2->rx_bufsize = sky2_buf_size(ETH_DATA_LEN); + + hw->dev[port] = dev; + + sky2->port = port; + + dev->features |= NETIF_F_LLTX; + if (hw->chip_id != CHIP_ID_YUKON_EC_U) + dev->features |= NETIF_F_TSO; + if (highmem) + dev->features |= NETIF_F_HIGHDMA; + dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; + +#ifdef SKY2_VLAN_TAG_USED + dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + dev->vlan_rx_register = sky2_vlan_rx_register; + dev->vlan_rx_kill_vid = sky2_vlan_rx_kill_vid; +#endif + + /* read the mac address */ + memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8, ETH_ALEN); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + + /* device is off until link detection */ + netif_carrier_off(dev); + netif_stop_queue(dev); + + return dev; +} + +static void __devinit sky2_show_addr(struct net_device *dev) +{ + const struct sky2_port *sky2 = netdev_priv(dev); + + if (netif_msg_probe(sky2)) + printk(KERN_INFO PFX "%s: addr %02x:%02x:%02x:%02x:%02x:%02x\n", + dev->name, + dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], + dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); +} + +static int __devinit sky2_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *dev, *dev1 = NULL; + struct sky2_hw *hw; + int err, pm_cap, using_dac = 0; + + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR PFX "%s cannot enable PCI device\n", + pci_name(pdev)); + goto err_out; + } + + err = pci_request_regions(pdev, DRV_NAME); + if (err) { + printk(KERN_ERR PFX "%s cannot obtain PCI resources\n", + pci_name(pdev)); + goto err_out; + } + + pci_set_master(pdev); + + /* Find power-management capability. */ + pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); + if (pm_cap == 0) { + printk(KERN_ERR PFX "Cannot find PowerManagement capability, " + "aborting.\n"); + err = -EIO; + goto err_out_free_regions; + } + + if (sizeof(dma_addr_t) > sizeof(u32) && + !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { + using_dac = 1; + err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); + if (err < 0) { + printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA " + "for consistent allocations\n", pci_name(pdev)); + goto err_out_free_regions; + } + + } else { + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + printk(KERN_ERR PFX "%s no usable DMA configuration\n", + pci_name(pdev)); + goto err_out_free_regions; + } + } + +#ifdef __BIG_ENDIAN + /* byte swap descriptors in hardware */ + { + u32 reg; + + pci_read_config_dword(pdev, PCI_DEV_REG2, ®); + reg |= PCI_REV_DESC; + pci_write_config_dword(pdev, PCI_DEV_REG2, reg); + } +#endif + + err = -ENOMEM; + hw = kzalloc(sizeof(*hw), GFP_KERNEL); + if (!hw) { + printk(KERN_ERR PFX "%s: cannot allocate hardware struct\n", + pci_name(pdev)); + goto err_out_free_regions; + } + + hw->pdev = pdev; + + hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); + if (!hw->regs) { + printk(KERN_ERR PFX "%s: cannot map device registers\n", + pci_name(pdev)); + goto err_out_free_hw; + } + hw->pm_cap = pm_cap; + + err = sky2_reset(hw); + if (err) + goto err_out_iounmap; + + printk(KERN_INFO PFX "v%s addr 0x%lx irq %d Yukon-%s (0x%x) rev %d\n", + DRV_VERSION, pci_resource_start(pdev, 0), pdev->irq, + yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], + hw->chip_id, hw->chip_rev); + + dev = sky2_init_netdev(hw, 0, using_dac); + if (!dev) + goto err_out_free_pci; + + err = register_netdev(dev); + if (err) { + printk(KERN_ERR PFX "%s: cannot register net device\n", + pci_name(pdev)); + goto err_out_free_netdev; + } + + sky2_show_addr(dev); + + if (hw->ports > 1 && (dev1 = sky2_init_netdev(hw, 1, using_dac))) { + if (register_netdev(dev1) == 0) + sky2_show_addr(dev1); + else { + /* Failure to register second port need not be fatal */ + printk(KERN_WARNING PFX + "register of second port failed\n"); + hw->dev[1] = NULL; + free_netdev(dev1); + } + } + + err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ, DRV_NAME, hw); + if (err) { + printk(KERN_ERR PFX "%s: cannot assign irq %d\n", + pci_name(pdev), pdev->irq); + goto err_out_unregister; + } + + hw->intr_mask = Y2_IS_BASE; + sky2_write32(hw, B0_IMSK, hw->intr_mask); + + pci_set_drvdata(pdev, hw); + + return 0; + +err_out_unregister: + if (dev1) { + unregister_netdev(dev1); + free_netdev(dev1); + } + unregister_netdev(dev); +err_out_free_netdev: + free_netdev(dev); +err_out_free_pci: + sky2_write8(hw, B0_CTST, CS_RST_SET); + pci_free_consistent(hw->pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); +err_out_iounmap: + iounmap(hw->regs); +err_out_free_hw: + kfree(hw); +err_out_free_regions: + pci_release_regions(pdev); + pci_disable_device(pdev); +err_out: + return err; +} + +static void __devexit sky2_remove(struct pci_dev *pdev) +{ + struct sky2_hw *hw = pci_get_drvdata(pdev); + struct net_device *dev0, *dev1; + + if (!hw) + return; + + dev0 = hw->dev[0]; + dev1 = hw->dev[1]; + if (dev1) + unregister_netdev(dev1); + unregister_netdev(dev0); + + sky2_write32(hw, B0_IMSK, 0); + sky2_set_power_state(hw, PCI_D3hot); + sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); + sky2_write8(hw, B0_CTST, CS_RST_SET); + sky2_read8(hw, B0_CTST); + + free_irq(pdev->irq, hw); + pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); + pci_release_regions(pdev); + pci_disable_device(pdev); + + if (dev1) + free_netdev(dev1); + free_netdev(dev0); + iounmap(hw->regs); + kfree(hw); + + pci_set_drvdata(pdev, NULL); +} + +#ifdef CONFIG_PM +static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct sky2_hw *hw = pci_get_drvdata(pdev); + int i; + + for (i = 0; i < 2; i++) { + struct net_device *dev = hw->dev[i]; + + if (dev) { + if (!netif_running(dev)) + continue; + + sky2_down(dev); + netif_device_detach(dev); + } + } + + return sky2_set_power_state(hw, pci_choose_state(pdev, state)); +} + +static int sky2_resume(struct pci_dev *pdev) +{ + struct sky2_hw *hw = pci_get_drvdata(pdev); + int i; + + pci_restore_state(pdev); + pci_enable_wake(pdev, PCI_D0, 0); + sky2_set_power_state(hw, PCI_D0); + + sky2_reset(hw); + + for (i = 0; i < 2; i++) { + struct net_device *dev = hw->dev[i]; + if (dev) { + if (netif_running(dev)) { + netif_device_attach(dev); + if (sky2_up(dev)) + dev_close(dev); + } + } + } + return 0; +} +#endif + +static struct pci_driver sky2_driver = { + .name = DRV_NAME, + .id_table = sky2_id_table, + .probe = sky2_probe, + .remove = __devexit_p(sky2_remove), +#ifdef CONFIG_PM + .suspend = sky2_suspend, + .resume = sky2_resume, +#endif +}; + +static int __init sky2_init_module(void) +{ + return pci_register_driver(&sky2_driver); +} + +static void __exit sky2_cleanup_module(void) +{ + pci_unregister_driver(&sky2_driver); +} + +module_init(sky2_init_module); +module_exit(sky2_cleanup_module); + +MODULE_DESCRIPTION("Marvell Yukon 2 Gigabit Ethernet driver"); +MODULE_AUTHOR("Stephen Hemminger <shemminger@osdl.org>"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h new file mode 100644 index 00000000000..95518921001 --- /dev/null +++ b/drivers/net/sky2.h @@ -0,0 +1,1922 @@ +/* + * Definitions for the new Marvell Yukon 2 driver. + */ +#ifndef _SKY2_H +#define _SKY2_H + +/* PCI config registers */ +#define PCI_DEV_REG1 0x40 +#define PCI_DEV_REG2 0x44 +#define PCI_DEV_STATUS 0x7c +#define PCI_OS_PCI_X (1<<26) + +#define PEX_LNK_STAT 0xf2 +#define PEX_UNC_ERR_STAT 0x104 +#define PEX_DEV_CTRL 0xe8 + +/* Yukon-2 */ +enum pci_dev_reg_1 { + PCI_Y2_PIG_ENA = 1<<31, /* Enable Plug-in-Go (YUKON-2) */ + PCI_Y2_DLL_DIS = 1<<30, /* Disable PCI DLL (YUKON-2) */ + PCI_Y2_PHY2_COMA = 1<<29, /* Set PHY 2 to Coma Mode (YUKON-2) */ + PCI_Y2_PHY1_COMA = 1<<28, /* Set PHY 1 to Coma Mode (YUKON-2) */ + PCI_Y2_PHY2_POWD = 1<<27, /* Set PHY 2 to Power Down (YUKON-2) */ + PCI_Y2_PHY1_POWD = 1<<26, /* Set PHY 1 to Power Down (YUKON-2) */ +}; + +enum pci_dev_reg_2 { + PCI_VPD_WR_THR = 0xffL<<24, /* Bit 31..24: VPD Write Threshold */ + PCI_DEV_SEL = 0x7fL<<17, /* Bit 23..17: EEPROM Device Select */ + PCI_VPD_ROM_SZ = 7L<<14, /* Bit 16..14: VPD ROM Size */ + + PCI_PATCH_DIR = 0xfL<<8, /* Bit 11.. 8: Ext Patches dir 3..0 */ + PCI_EXT_PATCHS = 0xfL<<4, /* Bit 7.. 4: Extended Patches 3..0 */ + PCI_EN_DUMMY_RD = 1<<3, /* Enable Dummy Read */ + PCI_REV_DESC = 1<<2, /* Reverse Desc. Bytes */ + + PCI_USEDATA64 = 1<<0, /* Use 64Bit Data bus ext */ +}; + + +#define PCI_STATUS_ERROR_BITS (PCI_STATUS_DETECTED_PARITY | \ + PCI_STATUS_SIG_SYSTEM_ERROR | \ + PCI_STATUS_REC_MASTER_ABORT | \ + PCI_STATUS_REC_TARGET_ABORT | \ + PCI_STATUS_PARITY) + +enum pex_dev_ctrl { + PEX_DC_MAX_RRS_MSK = 7<<12, /* Bit 14..12: Max. Read Request Size */ + PEX_DC_EN_NO_SNOOP = 1<<11,/* Enable No Snoop */ + PEX_DC_EN_AUX_POW = 1<<10,/* Enable AUX Power */ + PEX_DC_EN_PHANTOM = 1<<9, /* Enable Phantom Functions */ + PEX_DC_EN_EXT_TAG = 1<<8, /* Enable Extended Tag Field */ + PEX_DC_MAX_PLS_MSK = 7<<5, /* Bit 7.. 5: Max. Payload Size Mask */ + PEX_DC_EN_REL_ORD = 1<<4, /* Enable Relaxed Ordering */ + PEX_DC_EN_UNS_RQ_RP = 1<<3, /* Enable Unsupported Request Reporting */ + PEX_DC_EN_FAT_ER_RP = 1<<2, /* Enable Fatal Error Reporting */ + PEX_DC_EN_NFA_ER_RP = 1<<1, /* Enable Non-Fatal Error Reporting */ + PEX_DC_EN_COR_ER_RP = 1<<0, /* Enable Correctable Error Reporting */ +}; +#define PEX_DC_MAX_RD_RQ_SIZE(x) (((x)<<12) & PEX_DC_MAX_RRS_MSK) + +/* PEX_UNC_ERR_STAT PEX Uncorrectable Errors Status Register (Yukon-2) */ +enum pex_err { + PEX_UNSUP_REQ = 1<<20, /* Unsupported Request Error */ + + PEX_MALFOR_TLP = 1<<18, /* Malformed TLP */ + + PEX_UNEXP_COMP = 1<<16, /* Unexpected Completion */ + + PEX_COMP_TO = 1<<14, /* Completion Timeout */ + PEX_FLOW_CTRL_P = 1<<13, /* Flow Control Protocol Error */ + PEX_POIS_TLP = 1<<12, /* Poisoned TLP */ + + PEX_DATA_LINK_P = 1<<4, /* Data Link Protocol Error */ + PEX_FATAL_ERRORS= (PEX_MALFOR_TLP | PEX_FLOW_CTRL_P | PEX_DATA_LINK_P), +}; + + +enum csr_regs { + B0_RAP = 0x0000, + B0_CTST = 0x0004, + B0_Y2LED = 0x0005, + B0_POWER_CTRL = 0x0007, + B0_ISRC = 0x0008, + B0_IMSK = 0x000c, + B0_HWE_ISRC = 0x0010, + B0_HWE_IMSK = 0x0014, + + /* Special ISR registers (Yukon-2 only) */ + B0_Y2_SP_ISRC2 = 0x001c, + B0_Y2_SP_ISRC3 = 0x0020, + B0_Y2_SP_EISR = 0x0024, + B0_Y2_SP_LISR = 0x0028, + B0_Y2_SP_ICR = 0x002c, + + B2_MAC_1 = 0x0100, + B2_MAC_2 = 0x0108, + B2_MAC_3 = 0x0110, + B2_CONN_TYP = 0x0118, + B2_PMD_TYP = 0x0119, + B2_MAC_CFG = 0x011a, + B2_CHIP_ID = 0x011b, + B2_E_0 = 0x011c, + + B2_Y2_CLK_GATE = 0x011d, + B2_Y2_HW_RES = 0x011e, + B2_E_3 = 0x011f, + B2_Y2_CLK_CTRL = 0x0120, + + B2_TI_INI = 0x0130, + B2_TI_VAL = 0x0134, + B2_TI_CTRL = 0x0138, + B2_TI_TEST = 0x0139, + + B2_TST_CTRL1 = 0x0158, + B2_TST_CTRL2 = 0x0159, + B2_GP_IO = 0x015c, + + B2_I2C_CTRL = 0x0160, + B2_I2C_DATA = 0x0164, + B2_I2C_IRQ = 0x0168, + B2_I2C_SW = 0x016c, + + B3_RAM_ADDR = 0x0180, + B3_RAM_DATA_LO = 0x0184, + B3_RAM_DATA_HI = 0x0188, + +/* RAM Interface Registers */ +/* Yukon-2: use RAM_BUFFER() to access the RAM buffer */ +/* + * The HW-Spec. calls this registers Timeout Value 0..11. But this names are + * not usable in SW. Please notice these are NOT real timeouts, these are + * the number of qWords transferred continuously. + */ +#define RAM_BUFFER(port, reg) (reg | (port <<6)) + + B3_RI_WTO_R1 = 0x0190, + B3_RI_WTO_XA1 = 0x0191, + B3_RI_WTO_XS1 = 0x0192, + B3_RI_RTO_R1 = 0x0193, + B3_RI_RTO_XA1 = 0x0194, + B3_RI_RTO_XS1 = 0x0195, + B3_RI_WTO_R2 = 0x0196, + B3_RI_WTO_XA2 = 0x0197, + B3_RI_WTO_XS2 = 0x0198, + B3_RI_RTO_R2 = 0x0199, + B3_RI_RTO_XA2 = 0x019a, + B3_RI_RTO_XS2 = 0x019b, + B3_RI_TO_VAL = 0x019c, + B3_RI_CTRL = 0x01a0, + B3_RI_TEST = 0x01a2, + B3_MA_TOINI_RX1 = 0x01b0, + B3_MA_TOINI_RX2 = 0x01b1, + B3_MA_TOINI_TX1 = 0x01b2, + B3_MA_TOINI_TX2 = 0x01b3, + B3_MA_TOVAL_RX1 = 0x01b4, + B3_MA_TOVAL_RX2 = 0x01b5, + B3_MA_TOVAL_TX1 = 0x01b6, + B3_MA_TOVAL_TX2 = 0x01b7, + B3_MA_TO_CTRL = 0x01b8, + B3_MA_TO_TEST = 0x01ba, + B3_MA_RCINI_RX1 = 0x01c0, + B3_MA_RCINI_RX2 = 0x01c1, + B3_MA_RCINI_TX1 = 0x01c2, + B3_MA_RCINI_TX2 = 0x01c3, + B3_MA_RCVAL_RX1 = 0x01c4, + B3_MA_RCVAL_RX2 = 0x01c5, + B3_MA_RCVAL_TX1 = 0x01c6, + B3_MA_RCVAL_TX2 = 0x01c7, + B3_MA_RC_CTRL = 0x01c8, + B3_MA_RC_TEST = 0x01ca, + B3_PA_TOINI_RX1 = 0x01d0, + B3_PA_TOINI_RX2 = 0x01d4, + B3_PA_TOINI_TX1 = 0x01d8, + B3_PA_TOINI_TX2 = 0x01dc, + B3_PA_TOVAL_RX1 = 0x01e0, + B3_PA_TOVAL_RX2 = 0x01e4, + B3_PA_TOVAL_TX1 = 0x01e8, + B3_PA_TOVAL_TX2 = 0x01ec, + B3_PA_CTRL = 0x01f0, + B3_PA_TEST = 0x01f2, + + Y2_CFG_SPC = 0x1c00, +}; + +/* B0_CTST 16 bit Control/Status register */ +enum { + Y2_VMAIN_AVAIL = 1<<17,/* VMAIN available (YUKON-2 only) */ + Y2_VAUX_AVAIL = 1<<16,/* VAUX available (YUKON-2 only) */ + Y2_ASF_ENABLE = 1<<13,/* ASF Unit Enable (YUKON-2 only) */ + Y2_ASF_DISABLE = 1<<12,/* ASF Unit Disable (YUKON-2 only) */ + Y2_CLK_RUN_ENA = 1<<11,/* CLK_RUN Enable (YUKON-2 only) */ + Y2_CLK_RUN_DIS = 1<<10,/* CLK_RUN Disable (YUKON-2 only) */ + Y2_LED_STAT_ON = 1<<9, /* Status LED On (YUKON-2 only) */ + Y2_LED_STAT_OFF = 1<<8, /* Status LED Off (YUKON-2 only) */ + + CS_ST_SW_IRQ = 1<<7, /* Set IRQ SW Request */ + CS_CL_SW_IRQ = 1<<6, /* Clear IRQ SW Request */ + CS_STOP_DONE = 1<<5, /* Stop Master is finished */ + CS_STOP_MAST = 1<<4, /* Command Bit to stop the master */ + CS_MRST_CLR = 1<<3, /* Clear Master reset */ + CS_MRST_SET = 1<<2, /* Set Master reset */ + CS_RST_CLR = 1<<1, /* Clear Software reset */ + CS_RST_SET = 1, /* Set Software reset */ +}; + +/* B0_LED 8 Bit LED register */ +enum { +/* Bit 7.. 2: reserved */ + LED_STAT_ON = 1<<1, /* Status LED on */ + LED_STAT_OFF = 1, /* Status LED off */ +}; + +/* B0_POWER_CTRL 8 Bit Power Control reg (YUKON only) */ +enum { + PC_VAUX_ENA = 1<<7, /* Switch VAUX Enable */ + PC_VAUX_DIS = 1<<6, /* Switch VAUX Disable */ + PC_VCC_ENA = 1<<5, /* Switch VCC Enable */ + PC_VCC_DIS = 1<<4, /* Switch VCC Disable */ + PC_VAUX_ON = 1<<3, /* Switch VAUX On */ + PC_VAUX_OFF = 1<<2, /* Switch VAUX Off */ + PC_VCC_ON = 1<<1, /* Switch VCC On */ + PC_VCC_OFF = 1<<0, /* Switch VCC Off */ +}; + +/* B2_IRQM_MSK 32 bit IRQ Moderation Mask */ + +/* B0_Y2_SP_ISRC2 32 bit Special Interrupt Source Reg 2 */ +/* B0_Y2_SP_ISRC3 32 bit Special Interrupt Source Reg 3 */ +/* B0_Y2_SP_EISR 32 bit Enter ISR Reg */ +/* B0_Y2_SP_LISR 32 bit Leave ISR Reg */ +enum { + Y2_IS_HW_ERR = 1<<31, /* Interrupt HW Error */ + Y2_IS_STAT_BMU = 1<<30, /* Status BMU Interrupt */ + Y2_IS_ASF = 1<<29, /* ASF subsystem Interrupt */ + + Y2_IS_POLL_CHK = 1<<27, /* Check IRQ from polling unit */ + Y2_IS_TWSI_RDY = 1<<26, /* IRQ on end of TWSI Tx */ + Y2_IS_IRQ_SW = 1<<25, /* SW forced IRQ */ + Y2_IS_TIMINT = 1<<24, /* IRQ from Timer */ + + Y2_IS_IRQ_PHY2 = 1<<12, /* Interrupt from PHY 2 */ + Y2_IS_IRQ_MAC2 = 1<<11, /* Interrupt from MAC 2 */ + Y2_IS_CHK_RX2 = 1<<10, /* Descriptor error Rx 2 */ + Y2_IS_CHK_TXS2 = 1<<9, /* Descriptor error TXS 2 */ + Y2_IS_CHK_TXA2 = 1<<8, /* Descriptor error TXA 2 */ + + Y2_IS_IRQ_PHY1 = 1<<4, /* Interrupt from PHY 1 */ + Y2_IS_IRQ_MAC1 = 1<<3, /* Interrupt from MAC 1 */ + Y2_IS_CHK_RX1 = 1<<2, /* Descriptor error Rx 1 */ + Y2_IS_CHK_TXS1 = 1<<1, /* Descriptor error TXS 1 */ + Y2_IS_CHK_TXA1 = 1<<0, /* Descriptor error TXA 1 */ + + Y2_IS_BASE = Y2_IS_HW_ERR | Y2_IS_STAT_BMU | + Y2_IS_POLL_CHK | Y2_IS_TWSI_RDY | + Y2_IS_IRQ_SW | Y2_IS_TIMINT, + Y2_IS_PORT_1 = Y2_IS_IRQ_PHY1 | Y2_IS_IRQ_MAC1 | + Y2_IS_CHK_RX1 | Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXS1, + Y2_IS_PORT_2 = Y2_IS_IRQ_PHY2 | Y2_IS_IRQ_MAC2 | + Y2_IS_CHK_RX2 | Y2_IS_CHK_TXA2 | Y2_IS_CHK_TXS2, +}; + +/* B2_IRQM_HWE_MSK 32 bit IRQ Moderation HW Error Mask */ +enum { + IS_ERR_MSK = 0x00003fff,/* All Error bits */ + + IS_IRQ_TIST_OV = 1<<13, /* Time Stamp Timer Overflow (YUKON only) */ + IS_IRQ_SENSOR = 1<<12, /* IRQ from Sensor (YUKON only) */ + IS_IRQ_MST_ERR = 1<<11, /* IRQ master error detected */ + IS_IRQ_STAT = 1<<10, /* IRQ status exception */ + IS_NO_STAT_M1 = 1<<9, /* No Rx Status from MAC 1 */ + IS_NO_STAT_M2 = 1<<8, /* No Rx Status from MAC 2 */ + IS_NO_TIST_M1 = 1<<7, /* No Time Stamp from MAC 1 */ + IS_NO_TIST_M2 = 1<<6, /* No Time Stamp from MAC 2 */ + IS_RAM_RD_PAR = 1<<5, /* RAM Read Parity Error */ + IS_RAM_WR_PAR = 1<<4, /* RAM Write Parity Error */ + IS_M1_PAR_ERR = 1<<3, /* MAC 1 Parity Error */ + IS_M2_PAR_ERR = 1<<2, /* MAC 2 Parity Error */ + IS_R1_PAR_ERR = 1<<1, /* Queue R1 Parity Error */ + IS_R2_PAR_ERR = 1<<0, /* Queue R2 Parity Error */ +}; + +/* Hardware error interrupt mask for Yukon 2 */ +enum { + Y2_IS_TIST_OV = 1<<29,/* Time Stamp Timer overflow interrupt */ + Y2_IS_SENSOR = 1<<28, /* Sensor interrupt */ + Y2_IS_MST_ERR = 1<<27, /* Master error interrupt */ + Y2_IS_IRQ_STAT = 1<<26, /* Status exception interrupt */ + Y2_IS_PCI_EXP = 1<<25, /* PCI-Express interrupt */ + Y2_IS_PCI_NEXP = 1<<24, /* PCI-Express error similar to PCI error */ + /* Link 2 */ + Y2_IS_PAR_RD2 = 1<<13, /* Read RAM parity error interrupt */ + Y2_IS_PAR_WR2 = 1<<12, /* Write RAM parity error interrupt */ + Y2_IS_PAR_MAC2 = 1<<11, /* MAC hardware fault interrupt */ + Y2_IS_PAR_RX2 = 1<<10, /* Parity Error Rx Queue 2 */ + Y2_IS_TCP_TXS2 = 1<<9, /* TCP length mismatch sync Tx queue IRQ */ + Y2_IS_TCP_TXA2 = 1<<8, /* TCP length mismatch async Tx queue IRQ */ + /* Link 1 */ + Y2_IS_PAR_RD1 = 1<<5, /* Read RAM parity error interrupt */ + Y2_IS_PAR_WR1 = 1<<4, /* Write RAM parity error interrupt */ + Y2_IS_PAR_MAC1 = 1<<3, /* MAC hardware fault interrupt */ + Y2_IS_PAR_RX1 = 1<<2, /* Parity Error Rx Queue 1 */ + Y2_IS_TCP_TXS1 = 1<<1, /* TCP length mismatch sync Tx queue IRQ */ + Y2_IS_TCP_TXA1 = 1<<0, /* TCP length mismatch async Tx queue IRQ */ + + Y2_HWE_L1_MASK = Y2_IS_PAR_RD1 | Y2_IS_PAR_WR1 | Y2_IS_PAR_MAC1 | + Y2_IS_PAR_RX1 | Y2_IS_TCP_TXS1| Y2_IS_TCP_TXA1, + Y2_HWE_L2_MASK = Y2_IS_PAR_RD2 | Y2_IS_PAR_WR2 | Y2_IS_PAR_MAC2 | + Y2_IS_PAR_RX2 | Y2_IS_TCP_TXS2| Y2_IS_TCP_TXA2, + + Y2_HWE_ALL_MASK = Y2_IS_TIST_OV | Y2_IS_MST_ERR | Y2_IS_IRQ_STAT | + Y2_IS_PCI_EXP | + Y2_HWE_L1_MASK | Y2_HWE_L2_MASK, +}; + +/* B28_DPT_CTRL 8 bit Descriptor Poll Timer Ctrl Reg */ +enum { + DPT_START = 1<<1, + DPT_STOP = 1<<0, +}; + +/* B2_TST_CTRL1 8 bit Test Control Register 1 */ +enum { + TST_FRC_DPERR_MR = 1<<7, /* force DATAPERR on MST RD */ + TST_FRC_DPERR_MW = 1<<6, /* force DATAPERR on MST WR */ + TST_FRC_DPERR_TR = 1<<5, /* force DATAPERR on TRG RD */ + TST_FRC_DPERR_TW = 1<<4, /* force DATAPERR on TRG WR */ + TST_FRC_APERR_M = 1<<3, /* force ADDRPERR on MST */ + TST_FRC_APERR_T = 1<<2, /* force ADDRPERR on TRG */ + TST_CFG_WRITE_ON = 1<<1, /* Enable Config Reg WR */ + TST_CFG_WRITE_OFF= 1<<0, /* Disable Config Reg WR */ +}; + +/* B2_MAC_CFG 8 bit MAC Configuration / Chip Revision */ +enum { + CFG_CHIP_R_MSK = 0xf<<4, /* Bit 7.. 4: Chip Revision */ + /* Bit 3.. 2: reserved */ + CFG_DIS_M2_CLK = 1<<1, /* Disable Clock for 2nd MAC */ + CFG_SNG_MAC = 1<<0, /* MAC Config: 0=2 MACs / 1=1 MAC*/ +}; + +/* B2_CHIP_ID 8 bit Chip Identification Number */ +enum { + CHIP_ID_GENESIS = 0x0a, /* Chip ID for GENESIS */ + CHIP_ID_YUKON = 0xb0, /* Chip ID for YUKON */ + CHIP_ID_YUKON_LITE = 0xb1, /* Chip ID for YUKON-Lite (Rev. A1-A3) */ + CHIP_ID_YUKON_LP = 0xb2, /* Chip ID for YUKON-LP */ + CHIP_ID_YUKON_XL = 0xb3, /* Chip ID for YUKON-2 XL */ + CHIP_ID_YUKON_EC_U = 0xb4, /* Chip ID for YUKON-2 EC Ultra */ + CHIP_ID_YUKON_EC = 0xb6, /* Chip ID for YUKON-2 EC */ + CHIP_ID_YUKON_FE = 0xb7, /* Chip ID for YUKON-2 FE */ + + CHIP_REV_YU_EC_A1 = 0, /* Chip Rev. for Yukon-EC A1/A0 */ + CHIP_REV_YU_EC_A2 = 1, /* Chip Rev. for Yukon-EC A2 */ + CHIP_REV_YU_EC_A3 = 2, /* Chip Rev. for Yukon-EC A3 */ +}; + +/* B2_Y2_CLK_GATE 8 bit Clock Gating (Yukon-2 only) */ +enum { + Y2_STATUS_LNK2_INAC = 1<<7, /* Status Link 2 inactive (0 = active) */ + Y2_CLK_GAT_LNK2_DIS = 1<<6, /* Disable clock gating Link 2 */ + Y2_COR_CLK_LNK2_DIS = 1<<5, /* Disable Core clock Link 2 */ + Y2_PCI_CLK_LNK2_DIS = 1<<4, /* Disable PCI clock Link 2 */ + Y2_STATUS_LNK1_INAC = 1<<3, /* Status Link 1 inactive (0 = active) */ + Y2_CLK_GAT_LNK1_DIS = 1<<2, /* Disable clock gating Link 1 */ + Y2_COR_CLK_LNK1_DIS = 1<<1, /* Disable Core clock Link 1 */ + Y2_PCI_CLK_LNK1_DIS = 1<<0, /* Disable PCI clock Link 1 */ +}; + +/* B2_Y2_HW_RES 8 bit HW Resources (Yukon-2 only) */ +enum { + CFG_LED_MODE_MSK = 7<<2, /* Bit 4.. 2: LED Mode Mask */ + CFG_LINK_2_AVAIL = 1<<1, /* Link 2 available */ + CFG_LINK_1_AVAIL = 1<<0, /* Link 1 available */ +}; +#define CFG_LED_MODE(x) (((x) & CFG_LED_MODE_MSK) >> 2) +#define CFG_DUAL_MAC_MSK (CFG_LINK_2_AVAIL | CFG_LINK_1_AVAIL) + + +/* B2_Y2_CLK_CTRL 32 bit Clock Frequency Control Register (Yukon-2/EC) */ +enum { + Y2_CLK_DIV_VAL_MSK = 0xff<<16,/* Bit 23..16: Clock Divisor Value */ +#define Y2_CLK_DIV_VAL(x) (((x)<<16) & Y2_CLK_DIV_VAL_MSK) + Y2_CLK_DIV_VAL2_MSK = 7<<21, /* Bit 23..21: Clock Divisor Value */ + Y2_CLK_SELECT2_MSK = 0x1f<<16,/* Bit 20..16: Clock Select */ +#define Y2_CLK_DIV_VAL_2(x) (((x)<<21) & Y2_CLK_DIV_VAL2_MSK) +#define Y2_CLK_SEL_VAL_2(x) (((x)<<16) & Y2_CLK_SELECT2_MSK) + Y2_CLK_DIV_ENA = 1<<1, /* Enable Core Clock Division */ + Y2_CLK_DIV_DIS = 1<<0, /* Disable Core Clock Division */ +}; + +/* B2_TI_CTRL 8 bit Timer control */ +/* B2_IRQM_CTRL 8 bit IRQ Moderation Timer Control */ +enum { + TIM_START = 1<<2, /* Start Timer */ + TIM_STOP = 1<<1, /* Stop Timer */ + TIM_CLR_IRQ = 1<<0, /* Clear Timer IRQ (!IRQM) */ +}; + +/* B2_TI_TEST 8 Bit Timer Test */ +/* B2_IRQM_TEST 8 bit IRQ Moderation Timer Test */ +/* B28_DPT_TST 8 bit Descriptor Poll Timer Test Reg */ +enum { + TIM_T_ON = 1<<2, /* Test mode on */ + TIM_T_OFF = 1<<1, /* Test mode off */ + TIM_T_STEP = 1<<0, /* Test step */ +}; + +/* B3_RAM_ADDR 32 bit RAM Address, to read or write */ + /* Bit 31..19: reserved */ +#define RAM_ADR_RAN 0x0007ffffL /* Bit 18.. 0: RAM Address Range */ +/* RAM Interface Registers */ + +/* B3_RI_CTRL 16 bit RAM Interface Control Register */ +enum { + RI_CLR_RD_PERR = 1<<9, /* Clear IRQ RAM Read Parity Err */ + RI_CLR_WR_PERR = 1<<8, /* Clear IRQ RAM Write Parity Err*/ + + RI_RST_CLR = 1<<1, /* Clear RAM Interface Reset */ + RI_RST_SET = 1<<0, /* Set RAM Interface Reset */ +}; + +#define SK_RI_TO_53 36 /* RAM interface timeout */ + + +/* Port related registers FIFO, and Arbiter */ +#define SK_REG(port,reg) (((port)<<7)+(reg)) + +/* Transmit Arbiter Registers MAC 1 and 2, use SK_REG() to access */ +/* TXA_ITI_INI 32 bit Tx Arb Interval Timer Init Val */ +/* TXA_ITI_VAL 32 bit Tx Arb Interval Timer Value */ +/* TXA_LIM_INI 32 bit Tx Arb Limit Counter Init Val */ +/* TXA_LIM_VAL 32 bit Tx Arb Limit Counter Value */ + +#define TXA_MAX_VAL 0x00ffffffUL /* Bit 23.. 0: Max TXA Timer/Cnt Val */ + +/* TXA_CTRL 8 bit Tx Arbiter Control Register */ +enum { + TXA_ENA_FSYNC = 1<<7, /* Enable force of sync Tx queue */ + TXA_DIS_FSYNC = 1<<6, /* Disable force of sync Tx queue */ + TXA_ENA_ALLOC = 1<<5, /* Enable alloc of free bandwidth */ + TXA_DIS_ALLOC = 1<<4, /* Disable alloc of free bandwidth */ + TXA_START_RC = 1<<3, /* Start sync Rate Control */ + TXA_STOP_RC = 1<<2, /* Stop sync Rate Control */ + TXA_ENA_ARB = 1<<1, /* Enable Tx Arbiter */ + TXA_DIS_ARB = 1<<0, /* Disable Tx Arbiter */ +}; + +/* + * Bank 4 - 5 + */ +/* Transmit Arbiter Registers MAC 1 and 2, use SK_REG() to access */ +enum { + TXA_ITI_INI = 0x0200,/* 32 bit Tx Arb Interval Timer Init Val*/ + TXA_ITI_VAL = 0x0204,/* 32 bit Tx Arb Interval Timer Value */ + TXA_LIM_INI = 0x0208,/* 32 bit Tx Arb Limit Counter Init Val */ + TXA_LIM_VAL = 0x020c,/* 32 bit Tx Arb Limit Counter Value */ + TXA_CTRL = 0x0210,/* 8 bit Tx Arbiter Control Register */ + TXA_TEST = 0x0211,/* 8 bit Tx Arbiter Test Register */ + TXA_STAT = 0x0212,/* 8 bit Tx Arbiter Status Register */ +}; + + +enum { + B6_EXT_REG = 0x0300,/* External registers (GENESIS only) */ + B7_CFG_SPC = 0x0380,/* copy of the Configuration register */ + B8_RQ1_REGS = 0x0400,/* Receive Queue 1 */ + B8_RQ2_REGS = 0x0480,/* Receive Queue 2 */ + B8_TS1_REGS = 0x0600,/* Transmit sync queue 1 */ + B8_TA1_REGS = 0x0680,/* Transmit async queue 1 */ + B8_TS2_REGS = 0x0700,/* Transmit sync queue 2 */ + B8_TA2_REGS = 0x0780,/* Transmit sync queue 2 */ + B16_RAM_REGS = 0x0800,/* RAM Buffer Registers */ +}; + +/* Queue Register Offsets, use Q_ADDR() to access */ +enum { + B8_Q_REGS = 0x0400, /* base of Queue registers */ + Q_D = 0x00, /* 8*32 bit Current Descriptor */ + Q_DA_L = 0x20, /* 32 bit Current Descriptor Address Low dWord */ + Q_DA_H = 0x24, /* 32 bit Current Descriptor Address High dWord */ + Q_AC_L = 0x28, /* 32 bit Current Address Counter Low dWord */ + Q_AC_H = 0x2c, /* 32 bit Current Address Counter High dWord */ + Q_BC = 0x30, /* 32 bit Current Byte Counter */ + Q_CSR = 0x34, /* 32 bit BMU Control/Status Register */ + Q_F = 0x38, /* 32 bit Flag Register */ + Q_T1 = 0x3c, /* 32 bit Test Register 1 */ + Q_T1_TR = 0x3c, /* 8 bit Test Register 1 Transfer SM */ + Q_T1_WR = 0x3d, /* 8 bit Test Register 1 Write Descriptor SM */ + Q_T1_RD = 0x3e, /* 8 bit Test Register 1 Read Descriptor SM */ + Q_T1_SV = 0x3f, /* 8 bit Test Register 1 Supervisor SM */ + Q_T2 = 0x40, /* 32 bit Test Register 2 */ + Q_T3 = 0x44, /* 32 bit Test Register 3 */ + +/* Yukon-2 */ + Q_DONE = 0x24, /* 16 bit Done Index (Yukon-2 only) */ + Q_WM = 0x40, /* 16 bit FIFO Watermark */ + Q_AL = 0x42, /* 8 bit FIFO Alignment */ + Q_RSP = 0x44, /* 16 bit FIFO Read Shadow Pointer */ + Q_RSL = 0x46, /* 8 bit FIFO Read Shadow Level */ + Q_RP = 0x48, /* 8 bit FIFO Read Pointer */ + Q_RL = 0x4a, /* 8 bit FIFO Read Level */ + Q_WP = 0x4c, /* 8 bit FIFO Write Pointer */ + Q_WSP = 0x4d, /* 8 bit FIFO Write Shadow Pointer */ + Q_WL = 0x4e, /* 8 bit FIFO Write Level */ + Q_WSL = 0x4f, /* 8 bit FIFO Write Shadow Level */ +}; +#define Q_ADDR(reg, offs) (B8_Q_REGS + (reg) + (offs)) + + +/* Queue Prefetch Unit Offsets, use Y2_QADDR() to address (Yukon-2 only)*/ +enum { + Y2_B8_PREF_REGS = 0x0450, + + PREF_UNIT_CTRL = 0x00, /* 32 bit Control register */ + PREF_UNIT_LAST_IDX = 0x04, /* 16 bit Last Index */ + PREF_UNIT_ADDR_LO = 0x08, /* 32 bit List start addr, low part */ + PREF_UNIT_ADDR_HI = 0x0c, /* 32 bit List start addr, high part*/ + PREF_UNIT_GET_IDX = 0x10, /* 16 bit Get Index */ + PREF_UNIT_PUT_IDX = 0x14, /* 16 bit Put Index */ + PREF_UNIT_FIFO_WP = 0x20, /* 8 bit FIFO write pointer */ + PREF_UNIT_FIFO_RP = 0x24, /* 8 bit FIFO read pointer */ + PREF_UNIT_FIFO_WM = 0x28, /* 8 bit FIFO watermark */ + PREF_UNIT_FIFO_LEV = 0x2c, /* 8 bit FIFO level */ + + PREF_UNIT_MASK_IDX = 0x0fff, +}; +#define Y2_QADDR(q,reg) (Y2_B8_PREF_REGS + (q) + (reg)) + +/* RAM Buffer Register Offsets */ +enum { + + RB_START = 0x00,/* 32 bit RAM Buffer Start Address */ + RB_END = 0x04,/* 32 bit RAM Buffer End Address */ + RB_WP = 0x08,/* 32 bit RAM Buffer Write Pointer */ + RB_RP = 0x0c,/* 32 bit RAM Buffer Read Pointer */ + RB_RX_UTPP = 0x10,/* 32 bit Rx Upper Threshold, Pause Packet */ + RB_RX_LTPP = 0x14,/* 32 bit Rx Lower Threshold, Pause Packet */ + RB_RX_UTHP = 0x18,/* 32 bit Rx Upper Threshold, High Prio */ + RB_RX_LTHP = 0x1c,/* 32 bit Rx Lower Threshold, High Prio */ + /* 0x10 - 0x1f: reserved at Tx RAM Buffer Registers */ + RB_PC = 0x20,/* 32 bit RAM Buffer Packet Counter */ + RB_LEV = 0x24,/* 32 bit RAM Buffer Level Register */ + RB_CTRL = 0x28,/* 32 bit RAM Buffer Control Register */ + RB_TST1 = 0x29,/* 8 bit RAM Buffer Test Register 1 */ + RB_TST2 = 0x2a,/* 8 bit RAM Buffer Test Register 2 */ +}; + +/* Receive and Transmit Queues */ +enum { + Q_R1 = 0x0000, /* Receive Queue 1 */ + Q_R2 = 0x0080, /* Receive Queue 2 */ + Q_XS1 = 0x0200, /* Synchronous Transmit Queue 1 */ + Q_XA1 = 0x0280, /* Asynchronous Transmit Queue 1 */ + Q_XS2 = 0x0300, /* Synchronous Transmit Queue 2 */ + Q_XA2 = 0x0380, /* Asynchronous Transmit Queue 2 */ +}; + +/* Different PHY Types */ +enum { + PHY_ADDR_MARV = 0, +}; + +#define RB_ADDR(offs, queue) (B16_RAM_REGS + (queue) + (offs)) + + +enum { + LNK_SYNC_INI = 0x0c30,/* 32 bit Link Sync Cnt Init Value */ + LNK_SYNC_VAL = 0x0c34,/* 32 bit Link Sync Cnt Current Value */ + LNK_SYNC_CTRL = 0x0c38,/* 8 bit Link Sync Cnt Control Register */ + LNK_SYNC_TST = 0x0c39,/* 8 bit Link Sync Cnt Test Register */ + + LNK_LED_REG = 0x0c3c,/* 8 bit Link LED Register */ + +/* Receive GMAC FIFO (YUKON and Yukon-2) */ + + RX_GMF_EA = 0x0c40,/* 32 bit Rx GMAC FIFO End Address */ + RX_GMF_AF_THR = 0x0c44,/* 32 bit Rx GMAC FIFO Almost Full Thresh. */ + RX_GMF_CTRL_T = 0x0c48,/* 32 bit Rx GMAC FIFO Control/Test */ + RX_GMF_FL_MSK = 0x0c4c,/* 32 bit Rx GMAC FIFO Flush Mask */ + RX_GMF_FL_THR = 0x0c50,/* 32 bit Rx GMAC FIFO Flush Threshold */ + RX_GMF_TR_THR = 0x0c54,/* 32 bit Rx Truncation Threshold (Yukon-2) */ + RX_GMF_UP_THR = 0x0c58,/* 8 bit Rx Upper Pause Thr (Yukon-EC_U) */ + RX_GMF_LP_THR = 0x0c5a,/* 8 bit Rx Lower Pause Thr (Yukon-EC_U) */ + RX_GMF_VLAN = 0x0c5c,/* 32 bit Rx VLAN Type Register (Yukon-2) */ + RX_GMF_WP = 0x0c60,/* 32 bit Rx GMAC FIFO Write Pointer */ + + RX_GMF_WLEV = 0x0c68,/* 32 bit Rx GMAC FIFO Write Level */ + + RX_GMF_RP = 0x0c70,/* 32 bit Rx GMAC FIFO Read Pointer */ + + RX_GMF_RLEV = 0x0c78,/* 32 bit Rx GMAC FIFO Read Level */ +}; + + +/* Q_BC 32 bit Current Byte Counter */ + +/* BMU Control Status Registers */ +/* B0_R1_CSR 32 bit BMU Ctrl/Stat Rx Queue 1 */ +/* B0_R2_CSR 32 bit BMU Ctrl/Stat Rx Queue 2 */ +/* B0_XA1_CSR 32 bit BMU Ctrl/Stat Sync Tx Queue 1 */ +/* B0_XS1_CSR 32 bit BMU Ctrl/Stat Async Tx Queue 1 */ +/* B0_XA2_CSR 32 bit BMU Ctrl/Stat Sync Tx Queue 2 */ +/* B0_XS2_CSR 32 bit BMU Ctrl/Stat Async Tx Queue 2 */ +/* Q_CSR 32 bit BMU Control/Status Register */ + +/* Rx BMU Control / Status Registers (Yukon-2) */ +enum { + BMU_IDLE = 1<<31, /* BMU Idle State */ + BMU_RX_TCP_PKT = 1<<30, /* Rx TCP Packet (when RSS Hash enabled) */ + BMU_RX_IP_PKT = 1<<29, /* Rx IP Packet (when RSS Hash enabled) */ + + BMU_ENA_RX_RSS_HASH = 1<<15, /* Enable Rx RSS Hash */ + BMU_DIS_RX_RSS_HASH = 1<<14, /* Disable Rx RSS Hash */ + BMU_ENA_RX_CHKSUM = 1<<13, /* Enable Rx TCP/IP Checksum Check */ + BMU_DIS_RX_CHKSUM = 1<<12, /* Disable Rx TCP/IP Checksum Check */ + BMU_CLR_IRQ_PAR = 1<<11, /* Clear IRQ on Parity errors (Rx) */ + BMU_CLR_IRQ_TCP = 1<<11, /* Clear IRQ on TCP segment. error (Tx) */ + BMU_CLR_IRQ_CHK = 1<<10, /* Clear IRQ Check */ + BMU_STOP = 1<<9, /* Stop Rx/Tx Queue */ + BMU_START = 1<<8, /* Start Rx/Tx Queue */ + BMU_FIFO_OP_ON = 1<<7, /* FIFO Operational On */ + BMU_FIFO_OP_OFF = 1<<6, /* FIFO Operational Off */ + BMU_FIFO_ENA = 1<<5, /* Enable FIFO */ + BMU_FIFO_RST = 1<<4, /* Reset FIFO */ + BMU_OP_ON = 1<<3, /* BMU Operational On */ + BMU_OP_OFF = 1<<2, /* BMU Operational Off */ + BMU_RST_CLR = 1<<1, /* Clear BMU Reset (Enable) */ + BMU_RST_SET = 1<<0, /* Set BMU Reset */ + + BMU_CLR_RESET = BMU_FIFO_RST | BMU_OP_OFF | BMU_RST_CLR, + BMU_OPER_INIT = BMU_CLR_IRQ_PAR | BMU_CLR_IRQ_CHK | BMU_START | + BMU_FIFO_ENA | BMU_OP_ON, + + BMU_WM_DEFAULT = 0x600, +}; + +/* Tx BMU Control / Status Registers (Yukon-2) */ + /* Bit 31: same as for Rx */ +enum { + BMU_TX_IPIDINCR_ON = 1<<13, /* Enable IP ID Increment */ + BMU_TX_IPIDINCR_OFF = 1<<12, /* Disable IP ID Increment */ + BMU_TX_CLR_IRQ_TCP = 1<<11, /* Clear IRQ on TCP segment length mismatch */ +}; + +/* Queue Prefetch Unit Offsets, use Y2_QADDR() to address (Yukon-2 only)*/ +/* PREF_UNIT_CTRL 32 bit Prefetch Control register */ +enum { + PREF_UNIT_OP_ON = 1<<3, /* prefetch unit operational */ + PREF_UNIT_OP_OFF = 1<<2, /* prefetch unit not operational */ + PREF_UNIT_RST_CLR = 1<<1, /* Clear Prefetch Unit Reset */ + PREF_UNIT_RST_SET = 1<<0, /* Set Prefetch Unit Reset */ +}; + +/* RAM Buffer Register Offsets, use RB_ADDR(Queue, Offs) to access */ +/* RB_START 32 bit RAM Buffer Start Address */ +/* RB_END 32 bit RAM Buffer End Address */ +/* RB_WP 32 bit RAM Buffer Write Pointer */ +/* RB_RP 32 bit RAM Buffer Read Pointer */ +/* RB_RX_UTPP 32 bit Rx Upper Threshold, Pause Pack */ +/* RB_RX_LTPP 32 bit Rx Lower Threshold, Pause Pack */ +/* RB_RX_UTHP 32 bit Rx Upper Threshold, High Prio */ +/* RB_RX_LTHP 32 bit Rx Lower Threshold, High Prio */ +/* RB_PC 32 bit RAM Buffer Packet Counter */ +/* RB_LEV 32 bit RAM Buffer Level Register */ + +#define RB_MSK 0x0007ffff /* Bit 18.. 0: RAM Buffer Pointer Bits */ +/* RB_TST2 8 bit RAM Buffer Test Register 2 */ +/* RB_TST1 8 bit RAM Buffer Test Register 1 */ + +/* RB_CTRL 8 bit RAM Buffer Control Register */ +enum { + RB_ENA_STFWD = 1<<5, /* Enable Store & Forward */ + RB_DIS_STFWD = 1<<4, /* Disable Store & Forward */ + RB_ENA_OP_MD = 1<<3, /* Enable Operation Mode */ + RB_DIS_OP_MD = 1<<2, /* Disable Operation Mode */ + RB_RST_CLR = 1<<1, /* Clear RAM Buf STM Reset */ + RB_RST_SET = 1<<0, /* Set RAM Buf STM Reset */ +}; + + +/* Transmit GMAC FIFO (YUKON only) */ +enum { + TX_GMF_EA = 0x0d40,/* 32 bit Tx GMAC FIFO End Address */ + TX_GMF_AE_THR = 0x0d44,/* 32 bit Tx GMAC FIFO Almost Empty Thresh.*/ + TX_GMF_CTRL_T = 0x0d48,/* 32 bit Tx GMAC FIFO Control/Test */ + + TX_GMF_WP = 0x0d60,/* 32 bit Tx GMAC FIFO Write Pointer */ + TX_GMF_WSP = 0x0d64,/* 32 bit Tx GMAC FIFO Write Shadow Ptr. */ + TX_GMF_WLEV = 0x0d68,/* 32 bit Tx GMAC FIFO Write Level */ + + TX_GMF_RP = 0x0d70,/* 32 bit Tx GMAC FIFO Read Pointer */ + TX_GMF_RSTP = 0x0d74,/* 32 bit Tx GMAC FIFO Restart Pointer */ + TX_GMF_RLEV = 0x0d78,/* 32 bit Tx GMAC FIFO Read Level */ +}; + +/* Descriptor Poll Timer Registers */ +enum { + B28_DPT_INI = 0x0e00,/* 24 bit Descriptor Poll Timer Init Val */ + B28_DPT_VAL = 0x0e04,/* 24 bit Descriptor Poll Timer Curr Val */ + B28_DPT_CTRL = 0x0e08,/* 8 bit Descriptor Poll Timer Ctrl Reg */ + + B28_DPT_TST = 0x0e0a,/* 8 bit Descriptor Poll Timer Test Reg */ +}; + +/* Time Stamp Timer Registers (YUKON only) */ +enum { + GMAC_TI_ST_VAL = 0x0e14,/* 32 bit Time Stamp Timer Curr Val */ + GMAC_TI_ST_CTRL = 0x0e18,/* 8 bit Time Stamp Timer Ctrl Reg */ + GMAC_TI_ST_TST = 0x0e1a,/* 8 bit Time Stamp Timer Test Reg */ +}; + +/* Polling Unit Registers (Yukon-2 only) */ +enum { + POLL_CTRL = 0x0e20, /* 32 bit Polling Unit Control Reg */ + POLL_LAST_IDX = 0x0e24,/* 16 bit Polling Unit List Last Index */ + + POLL_LIST_ADDR_LO= 0x0e28,/* 32 bit Poll. List Start Addr (low) */ + POLL_LIST_ADDR_HI= 0x0e2c,/* 32 bit Poll. List Start Addr (high) */ +}; + +/* ASF Subsystem Registers (Yukon-2 only) */ +enum { + B28_Y2_SMB_CONFIG = 0x0e40,/* 32 bit ASF SMBus Config Register */ + B28_Y2_SMB_CSD_REG = 0x0e44,/* 32 bit ASF SMB Control/Status/Data */ + B28_Y2_ASF_IRQ_V_BASE=0x0e60,/* 32 bit ASF IRQ Vector Base */ + + B28_Y2_ASF_STAT_CMD= 0x0e68,/* 32 bit ASF Status and Command Reg */ + B28_Y2_ASF_HOST_COM= 0x0e6c,/* 32 bit ASF Host Communication Reg */ + B28_Y2_DATA_REG_1 = 0x0e70,/* 32 bit ASF/Host Data Register 1 */ + B28_Y2_DATA_REG_2 = 0x0e74,/* 32 bit ASF/Host Data Register 2 */ + B28_Y2_DATA_REG_3 = 0x0e78,/* 32 bit ASF/Host Data Register 3 */ + B28_Y2_DATA_REG_4 = 0x0e7c,/* 32 bit ASF/Host Data Register 4 */ +}; + +/* Status BMU Registers (Yukon-2 only)*/ +enum { + STAT_CTRL = 0x0e80,/* 32 bit Status BMU Control Reg */ + STAT_LAST_IDX = 0x0e84,/* 16 bit Status BMU Last Index */ + + STAT_LIST_ADDR_LO= 0x0e88,/* 32 bit Status List Start Addr (low) */ + STAT_LIST_ADDR_HI= 0x0e8c,/* 32 bit Status List Start Addr (high) */ + STAT_TXA1_RIDX = 0x0e90,/* 16 bit Status TxA1 Report Index Reg */ + STAT_TXS1_RIDX = 0x0e92,/* 16 bit Status TxS1 Report Index Reg */ + STAT_TXA2_RIDX = 0x0e94,/* 16 bit Status TxA2 Report Index Reg */ + STAT_TXS2_RIDX = 0x0e96,/* 16 bit Status TxS2 Report Index Reg */ + STAT_TX_IDX_TH = 0x0e98,/* 16 bit Status Tx Index Threshold Reg */ + STAT_PUT_IDX = 0x0e9c,/* 16 bit Status Put Index Reg */ + +/* FIFO Control/Status Registers (Yukon-2 only)*/ + STAT_FIFO_WP = 0x0ea0,/* 8 bit Status FIFO Write Pointer Reg */ + STAT_FIFO_RP = 0x0ea4,/* 8 bit Status FIFO Read Pointer Reg */ + STAT_FIFO_RSP = 0x0ea6,/* 8 bit Status FIFO Read Shadow Ptr */ + STAT_FIFO_LEVEL = 0x0ea8,/* 8 bit Status FIFO Level Reg */ + STAT_FIFO_SHLVL = 0x0eaa,/* 8 bit Status FIFO Shadow Level Reg */ + STAT_FIFO_WM = 0x0eac,/* 8 bit Status FIFO Watermark Reg */ + STAT_FIFO_ISR_WM= 0x0ead,/* 8 bit Status FIFO ISR Watermark Reg */ + +/* Level and ISR Timer Registers (Yukon-2 only)*/ + STAT_LEV_TIMER_INI= 0x0eb0,/* 32 bit Level Timer Init. Value Reg */ + STAT_LEV_TIMER_CNT= 0x0eb4,/* 32 bit Level Timer Counter Reg */ + STAT_LEV_TIMER_CTRL= 0x0eb8,/* 8 bit Level Timer Control Reg */ + STAT_LEV_TIMER_TEST= 0x0eb9,/* 8 bit Level Timer Test Reg */ + STAT_TX_TIMER_INI = 0x0ec0,/* 32 bit Tx Timer Init. Value Reg */ + STAT_TX_TIMER_CNT = 0x0ec4,/* 32 bit Tx Timer Counter Reg */ + STAT_TX_TIMER_CTRL = 0x0ec8,/* 8 bit Tx Timer Control Reg */ + STAT_TX_TIMER_TEST = 0x0ec9,/* 8 bit Tx Timer Test Reg */ + STAT_ISR_TIMER_INI = 0x0ed0,/* 32 bit ISR Timer Init. Value Reg */ + STAT_ISR_TIMER_CNT = 0x0ed4,/* 32 bit ISR Timer Counter Reg */ + STAT_ISR_TIMER_CTRL= 0x0ed8,/* 8 bit ISR Timer Control Reg */ + STAT_ISR_TIMER_TEST= 0x0ed9,/* 8 bit ISR Timer Test Reg */ +}; + +enum { + LINKLED_OFF = 0x01, + LINKLED_ON = 0x02, + LINKLED_LINKSYNC_OFF = 0x04, + LINKLED_LINKSYNC_ON = 0x08, + LINKLED_BLINK_OFF = 0x10, + LINKLED_BLINK_ON = 0x20, +}; + +/* GMAC and GPHY Control Registers (YUKON only) */ +enum { + GMAC_CTRL = 0x0f00,/* 32 bit GMAC Control Reg */ + GPHY_CTRL = 0x0f04,/* 32 bit GPHY Control Reg */ + GMAC_IRQ_SRC = 0x0f08,/* 8 bit GMAC Interrupt Source Reg */ + GMAC_IRQ_MSK = 0x0f0c,/* 8 bit GMAC Interrupt Mask Reg */ + GMAC_LINK_CTRL = 0x0f10,/* 16 bit Link Control Reg */ + +/* Wake-up Frame Pattern Match Control Registers (YUKON only) */ + + WOL_REG_OFFS = 0x20,/* HW-Bug: Address is + 0x20 against spec. */ + + WOL_CTRL_STAT = 0x0f20,/* 16 bit WOL Control/Status Reg */ + WOL_MATCH_CTL = 0x0f22,/* 8 bit WOL Match Control Reg */ + WOL_MATCH_RES = 0x0f23,/* 8 bit WOL Match Result Reg */ + WOL_MAC_ADDR = 0x0f24,/* 32 bit WOL MAC Address */ + WOL_PATT_PME = 0x0f2a,/* 8 bit WOL PME Match Enable (Yukon-2) */ + WOL_PATT_ASFM = 0x0f2b,/* 8 bit WOL ASF Match Enable (Yukon-2) */ + WOL_PATT_RPTR = 0x0f2c,/* 8 bit WOL Pattern Read Pointer */ + +/* WOL Pattern Length Registers (YUKON only) */ + + WOL_PATT_LEN_LO = 0x0f30,/* 32 bit WOL Pattern Length 3..0 */ + WOL_PATT_LEN_HI = 0x0f34,/* 24 bit WOL Pattern Length 6..4 */ + +/* WOL Pattern Counter Registers (YUKON only) */ + + + WOL_PATT_CNT_0 = 0x0f38,/* 32 bit WOL Pattern Counter 3..0 */ + WOL_PATT_CNT_4 = 0x0f3c,/* 24 bit WOL Pattern Counter 6..4 */ +}; + +enum { + WOL_PATT_RAM_1 = 0x1000,/* WOL Pattern RAM Link 1 */ + WOL_PATT_RAM_2 = 0x1400,/* WOL Pattern RAM Link 2 */ +}; + +enum { + BASE_GMAC_1 = 0x2800,/* GMAC 1 registers */ + BASE_GMAC_2 = 0x3800,/* GMAC 2 registers */ +}; + +/* + * Marvel-PHY Registers, indirect addressed over GMAC + */ +enum { + PHY_MARV_CTRL = 0x00,/* 16 bit r/w PHY Control Register */ + PHY_MARV_STAT = 0x01,/* 16 bit r/o PHY Status Register */ + PHY_MARV_ID0 = 0x02,/* 16 bit r/o PHY ID0 Register */ + PHY_MARV_ID1 = 0x03,/* 16 bit r/o PHY ID1 Register */ + PHY_MARV_AUNE_ADV = 0x04,/* 16 bit r/w Auto-Neg. Advertisement */ + PHY_MARV_AUNE_LP = 0x05,/* 16 bit r/o Link Part Ability Reg */ + PHY_MARV_AUNE_EXP = 0x06,/* 16 bit r/o Auto-Neg. Expansion Reg */ + PHY_MARV_NEPG = 0x07,/* 16 bit r/w Next Page Register */ + PHY_MARV_NEPG_LP = 0x08,/* 16 bit r/o Next Page Link Partner */ + /* Marvel-specific registers */ + PHY_MARV_1000T_CTRL = 0x09,/* 16 bit r/w 1000Base-T Control Reg */ + PHY_MARV_1000T_STAT = 0x0a,/* 16 bit r/o 1000Base-T Status Reg */ + PHY_MARV_EXT_STAT = 0x0f,/* 16 bit r/o Extended Status Reg */ + PHY_MARV_PHY_CTRL = 0x10,/* 16 bit r/w PHY Specific Ctrl Reg */ + PHY_MARV_PHY_STAT = 0x11,/* 16 bit r/o PHY Specific Stat Reg */ + PHY_MARV_INT_MASK = 0x12,/* 16 bit r/w Interrupt Mask Reg */ + PHY_MARV_INT_STAT = 0x13,/* 16 bit r/o Interrupt Status Reg */ + PHY_MARV_EXT_CTRL = 0x14,/* 16 bit r/w Ext. PHY Specific Ctrl */ + PHY_MARV_RXE_CNT = 0x15,/* 16 bit r/w Receive Error Counter */ + PHY_MARV_EXT_ADR = 0x16,/* 16 bit r/w Ext. Ad. for Cable Diag. */ + PHY_MARV_PORT_IRQ = 0x17,/* 16 bit r/o Port 0 IRQ (88E1111 only) */ + PHY_MARV_LED_CTRL = 0x18,/* 16 bit r/w LED Control Reg */ + PHY_MARV_LED_OVER = 0x19,/* 16 bit r/w Manual LED Override Reg */ + PHY_MARV_EXT_CTRL_2 = 0x1a,/* 16 bit r/w Ext. PHY Specific Ctrl 2 */ + PHY_MARV_EXT_P_STAT = 0x1b,/* 16 bit r/w Ext. PHY Spec. Stat Reg */ + PHY_MARV_CABLE_DIAG = 0x1c,/* 16 bit r/o Cable Diagnostic Reg */ + PHY_MARV_PAGE_ADDR = 0x1d,/* 16 bit r/w Extended Page Address Reg */ + PHY_MARV_PAGE_DATA = 0x1e,/* 16 bit r/w Extended Page Data Reg */ + +/* for 10/100 Fast Ethernet PHY (88E3082 only) */ + PHY_MARV_FE_LED_PAR = 0x16,/* 16 bit r/w LED Parallel Select Reg. */ + PHY_MARV_FE_LED_SER = 0x17,/* 16 bit r/w LED Stream Select S. LED */ + PHY_MARV_FE_VCT_TX = 0x1a,/* 16 bit r/w VCT Reg. for TXP/N Pins */ + PHY_MARV_FE_VCT_RX = 0x1b,/* 16 bit r/o VCT Reg. for RXP/N Pins */ + PHY_MARV_FE_SPEC_2 = 0x1c,/* 16 bit r/w Specific Control Reg. 2 */ +}; + +enum { + PHY_CT_RESET = 1<<15, /* Bit 15: (sc) clear all PHY related regs */ + PHY_CT_LOOP = 1<<14, /* Bit 14: enable Loopback over PHY */ + PHY_CT_SPS_LSB = 1<<13, /* Bit 13: Speed select, lower bit */ + PHY_CT_ANE = 1<<12, /* Bit 12: Auto-Negotiation Enabled */ + PHY_CT_PDOWN = 1<<11, /* Bit 11: Power Down Mode */ + PHY_CT_ISOL = 1<<10, /* Bit 10: Isolate Mode */ + PHY_CT_RE_CFG = 1<<9, /* Bit 9: (sc) Restart Auto-Negotiation */ + PHY_CT_DUP_MD = 1<<8, /* Bit 8: Duplex Mode */ + PHY_CT_COL_TST = 1<<7, /* Bit 7: Collision Test enabled */ + PHY_CT_SPS_MSB = 1<<6, /* Bit 6: Speed select, upper bit */ +}; + +enum { + PHY_CT_SP1000 = PHY_CT_SPS_MSB, /* enable speed of 1000 Mbps */ + PHY_CT_SP100 = PHY_CT_SPS_LSB, /* enable speed of 100 Mbps */ + PHY_CT_SP10 = 0, /* enable speed of 10 Mbps */ +}; + +enum { + PHY_ST_EXT_ST = 1<<8, /* Bit 8: Extended Status Present */ + + PHY_ST_PRE_SUP = 1<<6, /* Bit 6: Preamble Suppression */ + PHY_ST_AN_OVER = 1<<5, /* Bit 5: Auto-Negotiation Over */ + PHY_ST_REM_FLT = 1<<4, /* Bit 4: Remote Fault Condition Occured */ + PHY_ST_AN_CAP = 1<<3, /* Bit 3: Auto-Negotiation Capability */ + PHY_ST_LSYNC = 1<<2, /* Bit 2: Link Synchronized */ + PHY_ST_JAB_DET = 1<<1, /* Bit 1: Jabber Detected */ + PHY_ST_EXT_REG = 1<<0, /* Bit 0: Extended Register available */ +}; + +enum { + PHY_I1_OUI_MSK = 0x3f<<10, /* Bit 15..10: Organization Unique ID */ + PHY_I1_MOD_NUM = 0x3f<<4, /* Bit 9.. 4: Model Number */ + PHY_I1_REV_MSK = 0xf, /* Bit 3.. 0: Revision Number */ +}; + +/* different Marvell PHY Ids */ +enum { + PHY_MARV_ID0_VAL= 0x0141, /* Marvell Unique Identifier */ + + PHY_BCOM_ID1_A1 = 0x6041, + PHY_BCOM_ID1_B2 = 0x6043, + PHY_BCOM_ID1_C0 = 0x6044, + PHY_BCOM_ID1_C5 = 0x6047, + + PHY_MARV_ID1_B0 = 0x0C23, /* Yukon (PHY 88E1011) */ + PHY_MARV_ID1_B2 = 0x0C25, /* Yukon-Plus (PHY 88E1011) */ + PHY_MARV_ID1_C2 = 0x0CC2, /* Yukon-EC (PHY 88E1111) */ + PHY_MARV_ID1_Y2 = 0x0C91, /* Yukon-2 (PHY 88E1112) */ +}; + +/* Advertisement register bits */ +enum { + PHY_AN_NXT_PG = 1<<15, /* Bit 15: Request Next Page */ + PHY_AN_ACK = 1<<14, /* Bit 14: (ro) Acknowledge Received */ + PHY_AN_RF = 1<<13, /* Bit 13: Remote Fault Bits */ + + PHY_AN_PAUSE_ASYM = 1<<11,/* Bit 11: Try for asymmetric */ + PHY_AN_PAUSE_CAP = 1<<10, /* Bit 10: Try for pause */ + PHY_AN_100BASE4 = 1<<9, /* Bit 9: Try for 100mbps 4k packets */ + PHY_AN_100FULL = 1<<8, /* Bit 8: Try for 100mbps full-duplex */ + PHY_AN_100HALF = 1<<7, /* Bit 7: Try for 100mbps half-duplex */ + PHY_AN_10FULL = 1<<6, /* Bit 6: Try for 10mbps full-duplex */ + PHY_AN_10HALF = 1<<5, /* Bit 5: Try for 10mbps half-duplex */ + PHY_AN_CSMA = 1<<0, /* Bit 0: Only selector supported */ + PHY_AN_SEL = 0x1f, /* Bit 4..0: Selector Field, 00001=Ethernet*/ + PHY_AN_FULL = PHY_AN_100FULL | PHY_AN_10FULL | PHY_AN_CSMA, + PHY_AN_ALL = PHY_AN_10HALF | PHY_AN_10FULL | + PHY_AN_100HALF | PHY_AN_100FULL, +}; + +/***** PHY_BCOM_1000T_STAT 16 bit r/o 1000Base-T Status Reg *****/ +/***** PHY_MARV_1000T_STAT 16 bit r/o 1000Base-T Status Reg *****/ +enum { + PHY_B_1000S_MSF = 1<<15, /* Bit 15: Master/Slave Fault */ + PHY_B_1000S_MSR = 1<<14, /* Bit 14: Master/Slave Result */ + PHY_B_1000S_LRS = 1<<13, /* Bit 13: Local Receiver Status */ + PHY_B_1000S_RRS = 1<<12, /* Bit 12: Remote Receiver Status */ + PHY_B_1000S_LP_FD = 1<<11, /* Bit 11: Link Partner can FD */ + PHY_B_1000S_LP_HD = 1<<10, /* Bit 10: Link Partner can HD */ + /* Bit 9..8: reserved */ + PHY_B_1000S_IEC = 0xff, /* Bit 7..0: Idle Error Count */ +}; + +/** Marvell-Specific */ +enum { + PHY_M_AN_NXT_PG = 1<<15, /* Request Next Page */ + PHY_M_AN_ACK = 1<<14, /* (ro) Acknowledge Received */ + PHY_M_AN_RF = 1<<13, /* Remote Fault */ + + PHY_M_AN_ASP = 1<<11, /* Asymmetric Pause */ + PHY_M_AN_PC = 1<<10, /* MAC Pause implemented */ + PHY_M_AN_100_T4 = 1<<9, /* Not cap. 100Base-T4 (always 0) */ + PHY_M_AN_100_FD = 1<<8, /* Advertise 100Base-TX Full Duplex */ + PHY_M_AN_100_HD = 1<<7, /* Advertise 100Base-TX Half Duplex */ + PHY_M_AN_10_FD = 1<<6, /* Advertise 10Base-TX Full Duplex */ + PHY_M_AN_10_HD = 1<<5, /* Advertise 10Base-TX Half Duplex */ + PHY_M_AN_SEL_MSK =0x1f<<4, /* Bit 4.. 0: Selector Field Mask */ +}; + +/* special defines for FIBER (88E1011S only) */ +enum { + PHY_M_AN_ASP_X = 1<<8, /* Asymmetric Pause */ + PHY_M_AN_PC_X = 1<<7, /* MAC Pause implemented */ + PHY_M_AN_1000X_AHD = 1<<6, /* Advertise 10000Base-X Half Duplex */ + PHY_M_AN_1000X_AFD = 1<<5, /* Advertise 10000Base-X Full Duplex */ +}; + +/* Pause Bits (PHY_M_AN_ASP_X and PHY_M_AN_PC_X) encoding */ +enum { + PHY_M_P_NO_PAUSE_X = 0<<7,/* Bit 8.. 7: no Pause Mode */ + PHY_M_P_SYM_MD_X = 1<<7, /* Bit 8.. 7: symmetric Pause Mode */ + PHY_M_P_ASYM_MD_X = 2<<7,/* Bit 8.. 7: asymmetric Pause Mode */ + PHY_M_P_BOTH_MD_X = 3<<7,/* Bit 8.. 7: both Pause Mode */ +}; + +/***** PHY_MARV_1000T_CTRL 16 bit r/w 1000Base-T Control Reg *****/ +enum { + PHY_M_1000C_TEST = 7<<13,/* Bit 15..13: Test Modes */ + PHY_M_1000C_MSE = 1<<12, /* Manual Master/Slave Enable */ + PHY_M_1000C_MSC = 1<<11, /* M/S Configuration (1=Master) */ + PHY_M_1000C_MPD = 1<<10, /* Multi-Port Device */ + PHY_M_1000C_AFD = 1<<9, /* Advertise Full Duplex */ + PHY_M_1000C_AHD = 1<<8, /* Advertise Half Duplex */ +}; + +/***** PHY_MARV_PHY_CTRL 16 bit r/w PHY Specific Ctrl Reg *****/ +enum { + PHY_M_PC_TX_FFD_MSK = 3<<14,/* Bit 15..14: Tx FIFO Depth Mask */ + PHY_M_PC_RX_FFD_MSK = 3<<12,/* Bit 13..12: Rx FIFO Depth Mask */ + PHY_M_PC_ASS_CRS_TX = 1<<11, /* Assert CRS on Transmit */ + PHY_M_PC_FL_GOOD = 1<<10, /* Force Link Good */ + PHY_M_PC_EN_DET_MSK = 3<<8,/* Bit 9.. 8: Energy Detect Mask */ + PHY_M_PC_ENA_EXT_D = 1<<7, /* Enable Ext. Distance (10BT) */ + PHY_M_PC_MDIX_MSK = 3<<5,/* Bit 6.. 5: MDI/MDIX Config. Mask */ + PHY_M_PC_DIS_125CLK = 1<<4, /* Disable 125 CLK */ + PHY_M_PC_MAC_POW_UP = 1<<3, /* MAC Power up */ + PHY_M_PC_SQE_T_ENA = 1<<2, /* SQE Test Enabled */ + PHY_M_PC_POL_R_DIS = 1<<1, /* Polarity Reversal Disabled */ + PHY_M_PC_DIS_JABBER = 1<<0, /* Disable Jabber */ +}; + +enum { + PHY_M_PC_EN_DET = 2<<8, /* Energy Detect (Mode 1) */ + PHY_M_PC_EN_DET_PLUS = 3<<8, /* Energy Detect Plus (Mode 2) */ +}; + +#define PHY_M_PC_MDI_XMODE(x) (((x)<<5) & PHY_M_PC_MDIX_MSK) + +enum { + PHY_M_PC_MAN_MDI = 0, /* 00 = Manual MDI configuration */ + PHY_M_PC_MAN_MDIX = 1, /* 01 = Manual MDIX configuration */ + PHY_M_PC_ENA_AUTO = 3, /* 11 = Enable Automatic Crossover */ +}; + +/* for 10/100 Fast Ethernet PHY (88E3082 only) */ +enum { + PHY_M_PC_ENA_DTE_DT = 1<<15, /* Enable Data Terminal Equ. (DTE) Detect */ + PHY_M_PC_ENA_ENE_DT = 1<<14, /* Enable Energy Detect (sense & pulse) */ + PHY_M_PC_DIS_NLP_CK = 1<<13, /* Disable Normal Link Puls (NLP) Check */ + PHY_M_PC_ENA_LIP_NP = 1<<12, /* Enable Link Partner Next Page Reg. */ + PHY_M_PC_DIS_NLP_GN = 1<<11, /* Disable Normal Link Puls Generation */ + + PHY_M_PC_DIS_SCRAMB = 1<<9, /* Disable Scrambler */ + PHY_M_PC_DIS_FEFI = 1<<8, /* Disable Far End Fault Indic. (FEFI) */ + + PHY_M_PC_SH_TP_SEL = 1<<6, /* Shielded Twisted Pair Select */ + PHY_M_PC_RX_FD_MSK = 3<<2,/* Bit 3.. 2: Rx FIFO Depth Mask */ +}; + +/***** PHY_MARV_PHY_STAT 16 bit r/o PHY Specific Status Reg *****/ +enum { + PHY_M_PS_SPEED_MSK = 3<<14, /* Bit 15..14: Speed Mask */ + PHY_M_PS_SPEED_1000 = 1<<15, /* 10 = 1000 Mbps */ + PHY_M_PS_SPEED_100 = 1<<14, /* 01 = 100 Mbps */ + PHY_M_PS_SPEED_10 = 0, /* 00 = 10 Mbps */ + PHY_M_PS_FULL_DUP = 1<<13, /* Full Duplex */ + PHY_M_PS_PAGE_REC = 1<<12, /* Page Received */ + PHY_M_PS_SPDUP_RES = 1<<11, /* Speed & Duplex Resolved */ + PHY_M_PS_LINK_UP = 1<<10, /* Link Up */ + PHY_M_PS_CABLE_MSK = 7<<7, /* Bit 9.. 7: Cable Length Mask */ + PHY_M_PS_MDI_X_STAT = 1<<6, /* MDI Crossover Stat (1=MDIX) */ + PHY_M_PS_DOWNS_STAT = 1<<5, /* Downshift Status (1=downsh.) */ + PHY_M_PS_ENDET_STAT = 1<<4, /* Energy Detect Status (1=act) */ + PHY_M_PS_TX_P_EN = 1<<3, /* Tx Pause Enabled */ + PHY_M_PS_RX_P_EN = 1<<2, /* Rx Pause Enabled */ + PHY_M_PS_POL_REV = 1<<1, /* Polarity Reversed */ + PHY_M_PS_JABBER = 1<<0, /* Jabber */ +}; + +#define PHY_M_PS_PAUSE_MSK (PHY_M_PS_TX_P_EN | PHY_M_PS_RX_P_EN) + +/* for 10/100 Fast Ethernet PHY (88E3082 only) */ +enum { + PHY_M_PS_DTE_DETECT = 1<<15, /* Data Terminal Equipment (DTE) Detected */ + PHY_M_PS_RES_SPEED = 1<<14, /* Resolved Speed (1=100 Mbps, 0=10 Mbps */ +}; + +enum { + PHY_M_IS_AN_ERROR = 1<<15, /* Auto-Negotiation Error */ + PHY_M_IS_LSP_CHANGE = 1<<14, /* Link Speed Changed */ + PHY_M_IS_DUP_CHANGE = 1<<13, /* Duplex Mode Changed */ + PHY_M_IS_AN_PR = 1<<12, /* Page Received */ + PHY_M_IS_AN_COMPL = 1<<11, /* Auto-Negotiation Completed */ + PHY_M_IS_LST_CHANGE = 1<<10, /* Link Status Changed */ + PHY_M_IS_SYMB_ERROR = 1<<9, /* Symbol Error */ + PHY_M_IS_FALSE_CARR = 1<<8, /* False Carrier */ + PHY_M_IS_FIFO_ERROR = 1<<7, /* FIFO Overflow/Underrun Error */ + PHY_M_IS_MDI_CHANGE = 1<<6, /* MDI Crossover Changed */ + PHY_M_IS_DOWNSH_DET = 1<<5, /* Downshift Detected */ + PHY_M_IS_END_CHANGE = 1<<4, /* Energy Detect Changed */ + + PHY_M_IS_DTE_CHANGE = 1<<2, /* DTE Power Det. Status Changed */ + PHY_M_IS_POL_CHANGE = 1<<1, /* Polarity Changed */ + PHY_M_IS_JABBER = 1<<0, /* Jabber */ + + PHY_M_DEF_MSK = PHY_M_IS_LSP_CHANGE | PHY_M_IS_LST_CHANGE + | PHY_M_IS_FIFO_ERROR, + PHY_M_AN_MSK = PHY_M_IS_AN_ERROR | PHY_M_IS_AN_COMPL, +}; + + +/***** PHY_MARV_EXT_CTRL 16 bit r/w Ext. PHY Specific Ctrl *****/ +enum { + PHY_M_EC_ENA_BC_EXT = 1<<15, /* Enable Block Carr. Ext. (88E1111 only) */ + PHY_M_EC_ENA_LIN_LB = 1<<14, /* Enable Line Loopback (88E1111 only) */ + + PHY_M_EC_DIS_LINK_P = 1<<12, /* Disable Link Pulses (88E1111 only) */ + PHY_M_EC_M_DSC_MSK = 3<<10, /* Bit 11..10: Master Downshift Counter */ + /* (88E1011 only) */ + PHY_M_EC_S_DSC_MSK = 3<<8,/* Bit 9.. 8: Slave Downshift Counter */ + /* (88E1011 only) */ + PHY_M_EC_M_DSC_MSK2 = 7<<9,/* Bit 11.. 9: Master Downshift Counter */ + /* (88E1111 only) */ + PHY_M_EC_DOWN_S_ENA = 1<<8, /* Downshift Enable (88E1111 only) */ + /* !!! Errata in spec. (1 = disable) */ + PHY_M_EC_RX_TIM_CT = 1<<7, /* RGMII Rx Timing Control*/ + PHY_M_EC_MAC_S_MSK = 7<<4,/* Bit 6.. 4: Def. MAC interface speed */ + PHY_M_EC_FIB_AN_ENA = 1<<3, /* Fiber Auto-Neg. Enable (88E1011S only) */ + PHY_M_EC_DTE_D_ENA = 1<<2, /* DTE Detect Enable (88E1111 only) */ + PHY_M_EC_TX_TIM_CT = 1<<1, /* RGMII Tx Timing Control */ + PHY_M_EC_TRANS_DIS = 1<<0, /* Transmitter Disable (88E1111 only) */}; + +#define PHY_M_EC_M_DSC(x) ((x)<<10 & PHY_M_EC_M_DSC_MSK) + /* 00=1x; 01=2x; 10=3x; 11=4x */ +#define PHY_M_EC_S_DSC(x) ((x)<<8 & PHY_M_EC_S_DSC_MSK) + /* 00=dis; 01=1x; 10=2x; 11=3x */ +#define PHY_M_EC_DSC_2(x) ((x)<<9 & PHY_M_EC_M_DSC_MSK2) + /* 000=1x; 001=2x; 010=3x; 011=4x */ +#define PHY_M_EC_MAC_S(x) ((x)<<4 & PHY_M_EC_MAC_S_MSK) + /* 01X=0; 110=2.5; 111=25 (MHz) */ + +/* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */ +enum { + PHY_M_PC_DIS_LINK_Pa = 1<<15,/* Disable Link Pulses */ + PHY_M_PC_DSC_MSK = 7<<12,/* Bit 14..12: Downshift Counter */ + PHY_M_PC_DOWN_S_ENA = 1<<11,/* Downshift Enable */ +}; +/* !!! Errata in spec. (1 = disable) */ + +#define PHY_M_PC_DSC(x) (((x)<<12) & PHY_M_PC_DSC_MSK) + /* 100=5x; 101=6x; 110=7x; 111=8x */ +enum { + MAC_TX_CLK_0_MHZ = 2, + MAC_TX_CLK_2_5_MHZ = 6, + MAC_TX_CLK_25_MHZ = 7, +}; + +/***** PHY_MARV_LED_CTRL 16 bit r/w LED Control Reg *****/ +enum { + PHY_M_LEDC_DIS_LED = 1<<15, /* Disable LED */ + PHY_M_LEDC_PULS_MSK = 7<<12,/* Bit 14..12: Pulse Stretch Mask */ + PHY_M_LEDC_F_INT = 1<<11, /* Force Interrupt */ + PHY_M_LEDC_BL_R_MSK = 7<<8,/* Bit 10.. 8: Blink Rate Mask */ + PHY_M_LEDC_DP_C_LSB = 1<<7, /* Duplex Control (LSB, 88E1111 only) */ + PHY_M_LEDC_TX_C_LSB = 1<<6, /* Tx Control (LSB, 88E1111 only) */ + PHY_M_LEDC_LK_C_MSK = 7<<3,/* Bit 5.. 3: Link Control Mask */ + /* (88E1111 only) */ +}; + +enum { + PHY_M_LEDC_LINK_MSK = 3<<3,/* Bit 4.. 3: Link Control Mask */ + /* (88E1011 only) */ + PHY_M_LEDC_DP_CTRL = 1<<2, /* Duplex Control */ + PHY_M_LEDC_DP_C_MSB = 1<<2, /* Duplex Control (MSB, 88E1111 only) */ + PHY_M_LEDC_RX_CTRL = 1<<1, /* Rx Activity / Link */ + PHY_M_LEDC_TX_CTRL = 1<<0, /* Tx Activity / Link */ + PHY_M_LEDC_TX_C_MSB = 1<<0, /* Tx Control (MSB, 88E1111 only) */ +}; + +#define PHY_M_LED_PULS_DUR(x) (((x)<<12) & PHY_M_LEDC_PULS_MSK) + +/***** PHY_MARV_PHY_STAT (page 3)16 bit r/w Polarity Control Reg. *****/ +enum { + PHY_M_POLC_LS1M_MSK = 0xf<<12, /* Bit 15..12: LOS,STAT1 Mix % Mask */ + PHY_M_POLC_IS0M_MSK = 0xf<<8, /* Bit 11.. 8: INIT,STAT0 Mix % Mask */ + PHY_M_POLC_LOS_MSK = 0x3<<6, /* Bit 7.. 6: LOS Pol. Ctrl. Mask */ + PHY_M_POLC_INIT_MSK = 0x3<<4, /* Bit 5.. 4: INIT Pol. Ctrl. Mask */ + PHY_M_POLC_STA1_MSK = 0x3<<2, /* Bit 3.. 2: STAT1 Pol. Ctrl. Mask */ + PHY_M_POLC_STA0_MSK = 0x3, /* Bit 1.. 0: STAT0 Pol. Ctrl. Mask */ +}; + +#define PHY_M_POLC_LS1_P_MIX(x) (((x)<<12) & PHY_M_POLC_LS1M_MSK) +#define PHY_M_POLC_IS0_P_MIX(x) (((x)<<8) & PHY_M_POLC_IS0M_MSK) +#define PHY_M_POLC_LOS_CTRL(x) (((x)<<6) & PHY_M_POLC_LOS_MSK) +#define PHY_M_POLC_INIT_CTRL(x) (((x)<<4) & PHY_M_POLC_INIT_MSK) +#define PHY_M_POLC_STA1_CTRL(x) (((x)<<2) & PHY_M_POLC_STA1_MSK) +#define PHY_M_POLC_STA0_CTRL(x) (((x)<<0) & PHY_M_POLC_STA0_MSK) + +enum { + PULS_NO_STR = 0,/* no pulse stretching */ + PULS_21MS = 1,/* 21 ms to 42 ms */ + PULS_42MS = 2,/* 42 ms to 84 ms */ + PULS_84MS = 3,/* 84 ms to 170 ms */ + PULS_170MS = 4,/* 170 ms to 340 ms */ + PULS_340MS = 5,/* 340 ms to 670 ms */ + PULS_670MS = 6,/* 670 ms to 1.3 s */ + PULS_1300MS = 7,/* 1.3 s to 2.7 s */ +}; + +#define PHY_M_LED_BLINK_RT(x) (((x)<<8) & PHY_M_LEDC_BL_R_MSK) + +enum { + BLINK_42MS = 0,/* 42 ms */ + BLINK_84MS = 1,/* 84 ms */ + BLINK_170MS = 2,/* 170 ms */ + BLINK_340MS = 3,/* 340 ms */ + BLINK_670MS = 4,/* 670 ms */ +}; + +/***** PHY_MARV_LED_OVER 16 bit r/w Manual LED Override Reg *****/ +#define PHY_M_LED_MO_SGMII(x) ((x)<<14) /* Bit 15..14: SGMII AN Timer */ + /* Bit 13..12: reserved */ +#define PHY_M_LED_MO_DUP(x) ((x)<<10) /* Bit 11..10: Duplex */ +#define PHY_M_LED_MO_10(x) ((x)<<8) /* Bit 9.. 8: Link 10 */ +#define PHY_M_LED_MO_100(x) ((x)<<6) /* Bit 7.. 6: Link 100 */ +#define PHY_M_LED_MO_1000(x) ((x)<<4) /* Bit 5.. 4: Link 1000 */ +#define PHY_M_LED_MO_RX(x) ((x)<<2) /* Bit 3.. 2: Rx */ +#define PHY_M_LED_MO_TX(x) ((x)<<0) /* Bit 1.. 0: Tx */ + +enum { + MO_LED_NORM = 0, + MO_LED_BLINK = 1, + MO_LED_OFF = 2, + MO_LED_ON = 3, +}; + +/***** PHY_MARV_EXT_CTRL_2 16 bit r/w Ext. PHY Specific Ctrl 2 *****/ +enum { + PHY_M_EC2_FI_IMPED = 1<<6, /* Fiber Input Impedance */ + PHY_M_EC2_FO_IMPED = 1<<5, /* Fiber Output Impedance */ + PHY_M_EC2_FO_M_CLK = 1<<4, /* Fiber Mode Clock Enable */ + PHY_M_EC2_FO_BOOST = 1<<3, /* Fiber Output Boost */ + PHY_M_EC2_FO_AM_MSK = 7,/* Bit 2.. 0: Fiber Output Amplitude */ +}; + +/***** PHY_MARV_EXT_P_STAT 16 bit r/w Ext. PHY Specific Status *****/ +enum { + PHY_M_FC_AUTO_SEL = 1<<15, /* Fiber/Copper Auto Sel. Dis. */ + PHY_M_FC_AN_REG_ACC = 1<<14, /* Fiber/Copper AN Reg. Access */ + PHY_M_FC_RESOLUTION = 1<<13, /* Fiber/Copper Resolution */ + PHY_M_SER_IF_AN_BP = 1<<12, /* Ser. IF AN Bypass Enable */ + PHY_M_SER_IF_BP_ST = 1<<11, /* Ser. IF AN Bypass Status */ + PHY_M_IRQ_POLARITY = 1<<10, /* IRQ polarity */ + PHY_M_DIS_AUT_MED = 1<<9, /* Disable Aut. Medium Reg. Selection */ + /* (88E1111 only) */ + + PHY_M_UNDOC1 = 1<<7, /* undocumented bit !! */ + PHY_M_DTE_POW_STAT = 1<<4, /* DTE Power Status (88E1111 only) */ + PHY_M_MODE_MASK = 0xf, /* Bit 3.. 0: copy of HWCFG MODE[3:0] */ +}; + +/* for 10/100 Fast Ethernet PHY (88E3082 only) */ +/***** PHY_MARV_FE_LED_PAR 16 bit r/w LED Parallel Select Reg. *****/ + /* Bit 15..12: reserved (used internally) */ +enum { + PHY_M_FELP_LED2_MSK = 0xf<<8, /* Bit 11.. 8: LED2 Mask (LINK) */ + PHY_M_FELP_LED1_MSK = 0xf<<4, /* Bit 7.. 4: LED1 Mask (ACT) */ + PHY_M_FELP_LED0_MSK = 0xf, /* Bit 3.. 0: LED0 Mask (SPEED) */ +}; + +#define PHY_M_FELP_LED2_CTRL(x) (((x)<<8) & PHY_M_FELP_LED2_MSK) +#define PHY_M_FELP_LED1_CTRL(x) (((x)<<4) & PHY_M_FELP_LED1_MSK) +#define PHY_M_FELP_LED0_CTRL(x) (((x)<<0) & PHY_M_FELP_LED0_MSK) + +enum { + LED_PAR_CTRL_COLX = 0x00, + LED_PAR_CTRL_ERROR = 0x01, + LED_PAR_CTRL_DUPLEX = 0x02, + LED_PAR_CTRL_DP_COL = 0x03, + LED_PAR_CTRL_SPEED = 0x04, + LED_PAR_CTRL_LINK = 0x05, + LED_PAR_CTRL_TX = 0x06, + LED_PAR_CTRL_RX = 0x07, + LED_PAR_CTRL_ACT = 0x08, + LED_PAR_CTRL_LNK_RX = 0x09, + LED_PAR_CTRL_LNK_AC = 0x0a, + LED_PAR_CTRL_ACT_BL = 0x0b, + LED_PAR_CTRL_TX_BL = 0x0c, + LED_PAR_CTRL_RX_BL = 0x0d, + LED_PAR_CTRL_COL_BL = 0x0e, + LED_PAR_CTRL_INACT = 0x0f +}; + +/*****,PHY_MARV_FE_SPEC_2 16 bit r/w Specific Control Reg. 2 *****/ +enum { + PHY_M_FESC_DIS_WAIT = 1<<2, /* Disable TDR Waiting Period */ + PHY_M_FESC_ENA_MCLK = 1<<1, /* Enable MAC Rx Clock in sleep mode */ + PHY_M_FESC_SEL_CL_A = 1<<0, /* Select Class A driver (100B-TX) */ +}; + +/* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */ +/***** PHY_MARV_PHY_CTRL (page 2) 16 bit r/w MAC Specific Ctrl *****/ +enum { + PHY_M_MAC_MD_MSK = 7<<7, /* Bit 9.. 7: Mode Select Mask */ + PHY_M_MAC_MD_AUTO = 3,/* Auto Copper/1000Base-X */ + PHY_M_MAC_MD_COPPER = 5,/* Copper only */ + PHY_M_MAC_MD_1000BX = 7,/* 1000Base-X only */ +}; +#define PHY_M_MAC_MODE_SEL(x) (((x)<<7) & PHY_M_MAC_MD_MSK) + +/***** PHY_MARV_PHY_CTRL (page 3) 16 bit r/w LED Control Reg. *****/ +enum { + PHY_M_LEDC_LOS_MSK = 0xf<<12,/* Bit 15..12: LOS LED Ctrl. Mask */ + PHY_M_LEDC_INIT_MSK = 0xf<<8, /* Bit 11.. 8: INIT LED Ctrl. Mask */ + PHY_M_LEDC_STA1_MSK = 0xf<<4,/* Bit 7.. 4: STAT1 LED Ctrl. Mask */ + PHY_M_LEDC_STA0_MSK = 0xf, /* Bit 3.. 0: STAT0 LED Ctrl. Mask */ +}; + +#define PHY_M_LEDC_LOS_CTRL(x) (((x)<<12) & PHY_M_LEDC_LOS_MSK) +#define PHY_M_LEDC_INIT_CTRL(x) (((x)<<8) & PHY_M_LEDC_INIT_MSK) +#define PHY_M_LEDC_STA1_CTRL(x) (((x)<<4) & PHY_M_LEDC_STA1_MSK) +#define PHY_M_LEDC_STA0_CTRL(x) (((x)<<0) & PHY_M_LEDC_STA0_MSK) + +/* GMAC registers */ +/* Port Registers */ +enum { + GM_GP_STAT = 0x0000, /* 16 bit r/o General Purpose Status */ + GM_GP_CTRL = 0x0004, /* 16 bit r/w General Purpose Control */ + GM_TX_CTRL = 0x0008, /* 16 bit r/w Transmit Control Reg. */ + GM_RX_CTRL = 0x000c, /* 16 bit r/w Receive Control Reg. */ + GM_TX_FLOW_CTRL = 0x0010, /* 16 bit r/w Transmit Flow-Control */ + GM_TX_PARAM = 0x0014, /* 16 bit r/w Transmit Parameter Reg. */ + GM_SERIAL_MODE = 0x0018, /* 16 bit r/w Serial Mode Register */ +/* Source Address Registers */ + GM_SRC_ADDR_1L = 0x001c, /* 16 bit r/w Source Address 1 (low) */ + GM_SRC_ADDR_1M = 0x0020, /* 16 bit r/w Source Address 1 (middle) */ + GM_SRC_ADDR_1H = 0x0024, /* 16 bit r/w Source Address 1 (high) */ + GM_SRC_ADDR_2L = 0x0028, /* 16 bit r/w Source Address 2 (low) */ + GM_SRC_ADDR_2M = 0x002c, /* 16 bit r/w Source Address 2 (middle) */ + GM_SRC_ADDR_2H = 0x0030, /* 16 bit r/w Source Address 2 (high) */ + +/* Multicast Address Hash Registers */ + GM_MC_ADDR_H1 = 0x0034, /* 16 bit r/w Multicast Address Hash 1 */ + GM_MC_ADDR_H2 = 0x0038, /* 16 bit r/w Multicast Address Hash 2 */ + GM_MC_ADDR_H3 = 0x003c, /* 16 bit r/w Multicast Address Hash 3 */ + GM_MC_ADDR_H4 = 0x0040, /* 16 bit r/w Multicast Address Hash 4 */ + +/* Interrupt Source Registers */ + GM_TX_IRQ_SRC = 0x0044, /* 16 bit r/o Tx Overflow IRQ Source */ + GM_RX_IRQ_SRC = 0x0048, /* 16 bit r/o Rx Overflow IRQ Source */ + GM_TR_IRQ_SRC = 0x004c, /* 16 bit r/o Tx/Rx Over. IRQ Source */ + +/* Interrupt Mask Registers */ + GM_TX_IRQ_MSK = 0x0050, /* 16 bit r/w Tx Overflow IRQ Mask */ + GM_RX_IRQ_MSK = 0x0054, /* 16 bit r/w Rx Overflow IRQ Mask */ + GM_TR_IRQ_MSK = 0x0058, /* 16 bit r/w Tx/Rx Over. IRQ Mask */ + +/* Serial Management Interface (SMI) Registers */ + GM_SMI_CTRL = 0x0080, /* 16 bit r/w SMI Control Register */ + GM_SMI_DATA = 0x0084, /* 16 bit r/w SMI Data Register */ + GM_PHY_ADDR = 0x0088, /* 16 bit r/w GPHY Address Register */ +}; + +/* MIB Counters */ +#define GM_MIB_CNT_BASE 0x0100 /* Base Address of MIB Counters */ +#define GM_MIB_CNT_SIZE 44 /* Number of MIB Counters */ + +/* + * MIB Counters base address definitions (low word) - + * use offset 4 for access to high word (32 bit r/o) + */ +enum { + GM_RXF_UC_OK = GM_MIB_CNT_BASE + 0, /* Unicast Frames Received OK */ + GM_RXF_BC_OK = GM_MIB_CNT_BASE + 8, /* Broadcast Frames Received OK */ + GM_RXF_MPAUSE = GM_MIB_CNT_BASE + 16, /* Pause MAC Ctrl Frames Received */ + GM_RXF_MC_OK = GM_MIB_CNT_BASE + 24, /* Multicast Frames Received OK */ + GM_RXF_FCS_ERR = GM_MIB_CNT_BASE + 32, /* Rx Frame Check Seq. Error */ + /* GM_MIB_CNT_BASE + 40: reserved */ + GM_RXO_OK_LO = GM_MIB_CNT_BASE + 48, /* Octets Received OK Low */ + GM_RXO_OK_HI = GM_MIB_CNT_BASE + 56, /* Octets Received OK High */ + GM_RXO_ERR_LO = GM_MIB_CNT_BASE + 64, /* Octets Received Invalid Low */ + GM_RXO_ERR_HI = GM_MIB_CNT_BASE + 72, /* Octets Received Invalid High */ + GM_RXF_SHT = GM_MIB_CNT_BASE + 80, /* Frames <64 Byte Received OK */ + GM_RXE_FRAG = GM_MIB_CNT_BASE + 88, /* Frames <64 Byte Received with FCS Err */ + GM_RXF_64B = GM_MIB_CNT_BASE + 96, /* 64 Byte Rx Frame */ + GM_RXF_127B = GM_MIB_CNT_BASE + 104, /* 65-127 Byte Rx Frame */ + GM_RXF_255B = GM_MIB_CNT_BASE + 112, /* 128-255 Byte Rx Frame */ + GM_RXF_511B = GM_MIB_CNT_BASE + 120, /* 256-511 Byte Rx Frame */ + GM_RXF_1023B = GM_MIB_CNT_BASE + 128, /* 512-1023 Byte Rx Frame */ + GM_RXF_1518B = GM_MIB_CNT_BASE + 136, /* 1024-1518 Byte Rx Frame */ + GM_RXF_MAX_SZ = GM_MIB_CNT_BASE + 144, /* 1519-MaxSize Byte Rx Frame */ + GM_RXF_LNG_ERR = GM_MIB_CNT_BASE + 152, /* Rx Frame too Long Error */ + GM_RXF_JAB_PKT = GM_MIB_CNT_BASE + 160, /* Rx Jabber Packet Frame */ + /* GM_MIB_CNT_BASE + 168: reserved */ + GM_RXE_FIFO_OV = GM_MIB_CNT_BASE + 176, /* Rx FIFO overflow Event */ + /* GM_MIB_CNT_BASE + 184: reserved */ + GM_TXF_UC_OK = GM_MIB_CNT_BASE + 192, /* Unicast Frames Xmitted OK */ + GM_TXF_BC_OK = GM_MIB_CNT_BASE + 200, /* Broadcast Frames Xmitted OK */ + GM_TXF_MPAUSE = GM_MIB_CNT_BASE + 208, /* Pause MAC Ctrl Frames Xmitted */ + GM_TXF_MC_OK = GM_MIB_CNT_BASE + 216, /* Multicast Frames Xmitted OK */ + GM_TXO_OK_LO = GM_MIB_CNT_BASE + 224, /* Octets Transmitted OK Low */ + GM_TXO_OK_HI = GM_MIB_CNT_BASE + 232, /* Octets Transmitted OK High */ + GM_TXF_64B = GM_MIB_CNT_BASE + 240, /* 64 Byte Tx Frame */ + GM_TXF_127B = GM_MIB_CNT_BASE + 248, /* 65-127 Byte Tx Frame */ + GM_TXF_255B = GM_MIB_CNT_BASE + 256, /* 128-255 Byte Tx Frame */ + GM_TXF_511B = GM_MIB_CNT_BASE + 264, /* 256-511 Byte Tx Frame */ + GM_TXF_1023B = GM_MIB_CNT_BASE + 272, /* 512-1023 Byte Tx Frame */ + GM_TXF_1518B = GM_MIB_CNT_BASE + 280, /* 1024-1518 Byte Tx Frame */ + GM_TXF_MAX_SZ = GM_MIB_CNT_BASE + 288, /* 1519-MaxSize Byte Tx Frame */ + + GM_TXF_COL = GM_MIB_CNT_BASE + 304, /* Tx Collision */ + GM_TXF_LAT_COL = GM_MIB_CNT_BASE + 312, /* Tx Late Collision */ + GM_TXF_ABO_COL = GM_MIB_CNT_BASE + 320, /* Tx aborted due to Exces. Col. */ + GM_TXF_MUL_COL = GM_MIB_CNT_BASE + 328, /* Tx Multiple Collision */ + GM_TXF_SNG_COL = GM_MIB_CNT_BASE + 336, /* Tx Single Collision */ + GM_TXE_FIFO_UR = GM_MIB_CNT_BASE + 344, /* Tx FIFO Underrun Event */ +}; + +/* GMAC Bit Definitions */ +/* GM_GP_STAT 16 bit r/o General Purpose Status Register */ +enum { + GM_GPSR_SPEED = 1<<15, /* Bit 15: Port Speed (1 = 100 Mbps) */ + GM_GPSR_DUPLEX = 1<<14, /* Bit 14: Duplex Mode (1 = Full) */ + GM_GPSR_FC_TX_DIS = 1<<13, /* Bit 13: Tx Flow-Control Mode Disabled */ + GM_GPSR_LINK_UP = 1<<12, /* Bit 12: Link Up Status */ + GM_GPSR_PAUSE = 1<<11, /* Bit 11: Pause State */ + GM_GPSR_TX_ACTIVE = 1<<10, /* Bit 10: Tx in Progress */ + GM_GPSR_EXC_COL = 1<<9, /* Bit 9: Excessive Collisions Occured */ + GM_GPSR_LAT_COL = 1<<8, /* Bit 8: Late Collisions Occured */ + + GM_GPSR_PHY_ST_CH = 1<<5, /* Bit 5: PHY Status Change */ + GM_GPSR_GIG_SPEED = 1<<4, /* Bit 4: Gigabit Speed (1 = 1000 Mbps) */ + GM_GPSR_PART_MODE = 1<<3, /* Bit 3: Partition mode */ + GM_GPSR_FC_RX_DIS = 1<<2, /* Bit 2: Rx Flow-Control Mode Disabled */ + GM_GPSR_PROM_EN = 1<<1, /* Bit 1: Promiscuous Mode Enabled */ +}; + +/* GM_GP_CTRL 16 bit r/w General Purpose Control Register */ +enum { + GM_GPCR_PROM_ENA = 1<<14, /* Bit 14: Enable Promiscuous Mode */ + GM_GPCR_FC_TX_DIS = 1<<13, /* Bit 13: Disable Tx Flow-Control Mode */ + GM_GPCR_TX_ENA = 1<<12, /* Bit 12: Enable Transmit */ + GM_GPCR_RX_ENA = 1<<11, /* Bit 11: Enable Receive */ + GM_GPCR_BURST_ENA = 1<<10, /* Bit 10: Enable Burst Mode */ + GM_GPCR_LOOP_ENA = 1<<9, /* Bit 9: Enable MAC Loopback Mode */ + GM_GPCR_PART_ENA = 1<<8, /* Bit 8: Enable Partition Mode */ + GM_GPCR_GIGS_ENA = 1<<7, /* Bit 7: Gigabit Speed (1000 Mbps) */ + GM_GPCR_FL_PASS = 1<<6, /* Bit 6: Force Link Pass */ + GM_GPCR_DUP_FULL = 1<<5, /* Bit 5: Full Duplex Mode */ + GM_GPCR_FC_RX_DIS = 1<<4, /* Bit 4: Disable Rx Flow-Control Mode */ + GM_GPCR_SPEED_100 = 1<<3, /* Bit 3: Port Speed 100 Mbps */ + GM_GPCR_AU_DUP_DIS = 1<<2, /* Bit 2: Disable Auto-Update Duplex */ + GM_GPCR_AU_FCT_DIS = 1<<1, /* Bit 1: Disable Auto-Update Flow-C. */ + GM_GPCR_AU_SPD_DIS = 1<<0, /* Bit 0: Disable Auto-Update Speed */ +}; + +#define GM_GPCR_SPEED_1000 (GM_GPCR_GIGS_ENA | GM_GPCR_SPEED_100) +#define GM_GPCR_AU_ALL_DIS (GM_GPCR_AU_DUP_DIS | GM_GPCR_AU_FCT_DIS|GM_GPCR_AU_SPD_DIS) + +/* GM_TX_CTRL 16 bit r/w Transmit Control Register */ +enum { + GM_TXCR_FORCE_JAM = 1<<15, /* Bit 15: Force Jam / Flow-Control */ + GM_TXCR_CRC_DIS = 1<<14, /* Bit 14: Disable insertion of CRC */ + GM_TXCR_PAD_DIS = 1<<13, /* Bit 13: Disable padding of packets */ + GM_TXCR_COL_THR_MSK = 1<<10, /* Bit 12..10: Collision Threshold */ +}; + +#define TX_COL_THR(x) (((x)<<10) & GM_TXCR_COL_THR_MSK) +#define TX_COL_DEF 0x04 + +/* GM_RX_CTRL 16 bit r/w Receive Control Register */ +enum { + GM_RXCR_UCF_ENA = 1<<15, /* Bit 15: Enable Unicast filtering */ + GM_RXCR_MCF_ENA = 1<<14, /* Bit 14: Enable Multicast filtering */ + GM_RXCR_CRC_DIS = 1<<13, /* Bit 13: Remove 4-byte CRC */ + GM_RXCR_PASS_FC = 1<<12, /* Bit 12: Pass FC packets to FIFO */ +}; + +/* GM_TX_PARAM 16 bit r/w Transmit Parameter Register */ +enum { + GM_TXPA_JAMLEN_MSK = 0x03<<14, /* Bit 15..14: Jam Length */ + GM_TXPA_JAMIPG_MSK = 0x1f<<9, /* Bit 13..9: Jam IPG */ + GM_TXPA_JAMDAT_MSK = 0x1f<<4, /* Bit 8..4: IPG Jam to Data */ + GM_TXPA_BO_LIM_MSK = 0x0f, /* Bit 3.. 0: Backoff Limit Mask */ + + TX_JAM_LEN_DEF = 0x03, + TX_JAM_IPG_DEF = 0x0b, + TX_IPG_JAM_DEF = 0x1c, + TX_BOF_LIM_DEF = 0x04, +}; + +#define TX_JAM_LEN_VAL(x) (((x)<<14) & GM_TXPA_JAMLEN_MSK) +#define TX_JAM_IPG_VAL(x) (((x)<<9) & GM_TXPA_JAMIPG_MSK) +#define TX_IPG_JAM_DATA(x) (((x)<<4) & GM_TXPA_JAMDAT_MSK) +#define TX_BACK_OFF_LIM(x) ((x) & GM_TXPA_BO_LIM_MSK) + + +/* GM_SERIAL_MODE 16 bit r/w Serial Mode Register */ +enum { + GM_SMOD_DATABL_MSK = 0x1f<<11, /* Bit 15..11: Data Blinder (r/o) */ + GM_SMOD_LIMIT_4 = 1<<10, /* Bit 10: 4 consecutive Tx trials */ + GM_SMOD_VLAN_ENA = 1<<9, /* Bit 9: Enable VLAN (Max. Frame Len) */ + GM_SMOD_JUMBO_ENA = 1<<8, /* Bit 8: Enable Jumbo (Max. Frame Len) */ + GM_SMOD_IPG_MSK = 0x1f /* Bit 4..0: Inter-Packet Gap (IPG) */ +}; + +#define DATA_BLIND_VAL(x) (((x)<<11) & GM_SMOD_DATABL_MSK) +#define DATA_BLIND_DEF 0x04 + +#define IPG_DATA_VAL(x) (x & GM_SMOD_IPG_MSK) +#define IPG_DATA_DEF 0x1e + +/* GM_SMI_CTRL 16 bit r/w SMI Control Register */ +enum { + GM_SMI_CT_PHY_A_MSK = 0x1f<<11,/* Bit 15..11: PHY Device Address */ + GM_SMI_CT_REG_A_MSK = 0x1f<<6,/* Bit 10.. 6: PHY Register Address */ + GM_SMI_CT_OP_RD = 1<<5, /* Bit 5: OpCode Read (0=Write)*/ + GM_SMI_CT_RD_VAL = 1<<4, /* Bit 4: Read Valid (Read completed) */ + GM_SMI_CT_BUSY = 1<<3, /* Bit 3: Busy (Operation in progress) */ +}; + +#define GM_SMI_CT_PHY_AD(x) (((x)<<11) & GM_SMI_CT_PHY_A_MSK) +#define GM_SMI_CT_REG_AD(x) (((x)<<6) & GM_SMI_CT_REG_A_MSK) + +/* GM_PHY_ADDR 16 bit r/w GPHY Address Register */ +enum { + GM_PAR_MIB_CLR = 1<<5, /* Bit 5: Set MIB Clear Counter Mode */ + GM_PAR_MIB_TST = 1<<4, /* Bit 4: MIB Load Counter (Test Mode) */ +}; + +/* Receive Frame Status Encoding */ +enum { + GMR_FS_LEN = 0xffff<<16, /* Bit 31..16: Rx Frame Length */ + GMR_FS_VLAN = 1<<13, /* VLAN Packet */ + GMR_FS_JABBER = 1<<12, /* Jabber Packet */ + GMR_FS_UN_SIZE = 1<<11, /* Undersize Packet */ + GMR_FS_MC = 1<<10, /* Multicast Packet */ + GMR_FS_BC = 1<<9, /* Broadcast Packet */ + GMR_FS_RX_OK = 1<<8, /* Receive OK (Good Packet) */ + GMR_FS_GOOD_FC = 1<<7, /* Good Flow-Control Packet */ + GMR_FS_BAD_FC = 1<<6, /* Bad Flow-Control Packet */ + GMR_FS_MII_ERR = 1<<5, /* MII Error */ + GMR_FS_LONG_ERR = 1<<4, /* Too Long Packet */ + GMR_FS_FRAGMENT = 1<<3, /* Fragment */ + + GMR_FS_CRC_ERR = 1<<1, /* CRC Error */ + GMR_FS_RX_FF_OV = 1<<0, /* Rx FIFO Overflow */ + + GMR_FS_ANY_ERR = GMR_FS_RX_FF_OV | GMR_FS_CRC_ERR | + GMR_FS_FRAGMENT | GMR_FS_LONG_ERR | + GMR_FS_MII_ERR | GMR_FS_BAD_FC | GMR_FS_GOOD_FC | + GMR_FS_UN_SIZE | GMR_FS_JABBER, +}; + +/* RX_GMF_CTRL_T 32 bit Rx GMAC FIFO Control/Test */ +enum { + RX_TRUNC_ON = 1<<27, /* enable packet truncation */ + RX_TRUNC_OFF = 1<<26, /* disable packet truncation */ + RX_VLAN_STRIP_ON = 1<<25, /* enable VLAN stripping */ + RX_VLAN_STRIP_OFF = 1<<24, /* disable VLAN stripping */ + + GMF_WP_TST_ON = 1<<14, /* Write Pointer Test On */ + GMF_WP_TST_OFF = 1<<13, /* Write Pointer Test Off */ + GMF_WP_STEP = 1<<12, /* Write Pointer Step/Increment */ + + GMF_RP_TST_ON = 1<<10, /* Read Pointer Test On */ + GMF_RP_TST_OFF = 1<<9, /* Read Pointer Test Off */ + GMF_RP_STEP = 1<<8, /* Read Pointer Step/Increment */ + GMF_RX_F_FL_ON = 1<<7, /* Rx FIFO Flush Mode On */ + GMF_RX_F_FL_OFF = 1<<6, /* Rx FIFO Flush Mode Off */ + GMF_CLI_RX_FO = 1<<5, /* Clear IRQ Rx FIFO Overrun */ + GMF_CLI_RX_C = 1<<4, /* Clear IRQ Rx Frame Complete */ + + GMF_OPER_ON = 1<<3, /* Operational Mode On */ + GMF_OPER_OFF = 1<<2, /* Operational Mode Off */ + GMF_RST_CLR = 1<<1, /* Clear GMAC FIFO Reset */ + GMF_RST_SET = 1<<0, /* Set GMAC FIFO Reset */ + + RX_GMF_FL_THR_DEF = 0xa, /* flush threshold (default) */ + + GMF_RX_CTRL_DEF = GMF_OPER_ON | GMF_RX_F_FL_ON, +}; + + +/* TX_GMF_CTRL_T 32 bit Tx GMAC FIFO Control/Test */ +enum { + TX_STFW_DIS = 1<<31,/* Disable Store & Forward (Yukon-EC Ultra) */ + TX_STFW_ENA = 1<<30,/* Enable Store & Forward (Yukon-EC Ultra) */ + + TX_VLAN_TAG_ON = 1<<25,/* enable VLAN tagging */ + TX_VLAN_TAG_OFF = 1<<24,/* disable VLAN tagging */ + + GMF_WSP_TST_ON = 1<<18,/* Write Shadow Pointer Test On */ + GMF_WSP_TST_OFF = 1<<17,/* Write Shadow Pointer Test Off */ + GMF_WSP_STEP = 1<<16,/* Write Shadow Pointer Step/Increment */ + + GMF_CLI_TX_FU = 1<<6, /* Clear IRQ Tx FIFO Underrun */ + GMF_CLI_TX_FC = 1<<5, /* Clear IRQ Tx Frame Complete */ + GMF_CLI_TX_PE = 1<<4, /* Clear IRQ Tx Parity Error */ +}; + +/* GMAC_TI_ST_CTRL 8 bit Time Stamp Timer Ctrl Reg (YUKON only) */ +enum { + GMT_ST_START = 1<<2, /* Start Time Stamp Timer */ + GMT_ST_STOP = 1<<1, /* Stop Time Stamp Timer */ + GMT_ST_CLR_IRQ = 1<<0, /* Clear Time Stamp Timer IRQ */ +}; + +/* B28_Y2_ASF_STAT_CMD 32 bit ASF Status and Command Reg */ +enum { + Y2_ASF_OS_PRES = 1<<4, /* ASF operation system present */ + Y2_ASF_RESET = 1<<3, /* ASF system in reset state */ + Y2_ASF_RUNNING = 1<<2, /* ASF system operational */ + Y2_ASF_CLR_HSTI = 1<<1, /* Clear ASF IRQ */ + Y2_ASF_IRQ = 1<<0, /* Issue an IRQ to ASF system */ + + Y2_ASF_UC_STATE = 3<<2, /* ASF uC State */ + Y2_ASF_CLK_HALT = 0, /* ASF system clock stopped */ +}; + +/* B28_Y2_ASF_HOST_COM 32 bit ASF Host Communication Reg */ +enum { + Y2_ASF_CLR_ASFI = 1<<1, /* Clear host IRQ */ + Y2_ASF_HOST_IRQ = 1<<0, /* Issue an IRQ to HOST system */ +}; + +/* STAT_CTRL 32 bit Status BMU control register (Yukon-2 only) */ +enum { + SC_STAT_CLR_IRQ = 1<<4, /* Status Burst IRQ clear */ + SC_STAT_OP_ON = 1<<3, /* Operational Mode On */ + SC_STAT_OP_OFF = 1<<2, /* Operational Mode Off */ + SC_STAT_RST_CLR = 1<<1, /* Clear Status Unit Reset (Enable) */ + SC_STAT_RST_SET = 1<<0, /* Set Status Unit Reset */ +}; + +/* GMAC_CTRL 32 bit GMAC Control Reg (YUKON only) */ +enum { + GMC_H_BURST_ON = 1<<7, /* Half Duplex Burst Mode On */ + GMC_H_BURST_OFF = 1<<6, /* Half Duplex Burst Mode Off */ + GMC_F_LOOPB_ON = 1<<5, /* FIFO Loopback On */ + GMC_F_LOOPB_OFF = 1<<4, /* FIFO Loopback Off */ + GMC_PAUSE_ON = 1<<3, /* Pause On */ + GMC_PAUSE_OFF = 1<<2, /* Pause Off */ + GMC_RST_CLR = 1<<1, /* Clear GMAC Reset */ + GMC_RST_SET = 1<<0, /* Set GMAC Reset */ +}; + +/* GPHY_CTRL 32 bit GPHY Control Reg (YUKON only) */ +enum { + GPC_SEL_BDT = 1<<28, /* Select Bi-Dir. Transfer for MDC/MDIO */ + GPC_INT_POL_HI = 1<<27, /* IRQ Polarity is Active HIGH */ + GPC_75_OHM = 1<<26, /* Use 75 Ohm Termination instead of 50 */ + GPC_DIS_FC = 1<<25, /* Disable Automatic Fiber/Copper Detection */ + GPC_DIS_SLEEP = 1<<24, /* Disable Energy Detect */ + GPC_HWCFG_M_3 = 1<<23, /* HWCFG_MODE[3] */ + GPC_HWCFG_M_2 = 1<<22, /* HWCFG_MODE[2] */ + GPC_HWCFG_M_1 = 1<<21, /* HWCFG_MODE[1] */ + GPC_HWCFG_M_0 = 1<<20, /* HWCFG_MODE[0] */ + GPC_ANEG_0 = 1<<19, /* ANEG[0] */ + GPC_ENA_XC = 1<<18, /* Enable MDI crossover */ + GPC_DIS_125 = 1<<17, /* Disable 125 MHz clock */ + GPC_ANEG_3 = 1<<16, /* ANEG[3] */ + GPC_ANEG_2 = 1<<15, /* ANEG[2] */ + GPC_ANEG_1 = 1<<14, /* ANEG[1] */ + GPC_ENA_PAUSE = 1<<13, /* Enable Pause (SYM_OR_REM) */ + GPC_PHYADDR_4 = 1<<12, /* Bit 4 of Phy Addr */ + GPC_PHYADDR_3 = 1<<11, /* Bit 3 of Phy Addr */ + GPC_PHYADDR_2 = 1<<10, /* Bit 2 of Phy Addr */ + GPC_PHYADDR_1 = 1<<9, /* Bit 1 of Phy Addr */ + GPC_PHYADDR_0 = 1<<8, /* Bit 0 of Phy Addr */ + /* Bits 7..2: reserved */ + GPC_RST_CLR = 1<<1, /* Clear GPHY Reset */ + GPC_RST_SET = 1<<0, /* Set GPHY Reset */ +}; + +/* GMAC_IRQ_SRC 8 bit GMAC Interrupt Source Reg (YUKON only) */ +/* GMAC_IRQ_MSK 8 bit GMAC Interrupt Mask Reg (YUKON only) */ +enum { + GM_IS_TX_CO_OV = 1<<5, /* Transmit Counter Overflow IRQ */ + GM_IS_RX_CO_OV = 1<<4, /* Receive Counter Overflow IRQ */ + GM_IS_TX_FF_UR = 1<<3, /* Transmit FIFO Underrun */ + GM_IS_TX_COMPL = 1<<2, /* Frame Transmission Complete */ + GM_IS_RX_FF_OR = 1<<1, /* Receive FIFO Overrun */ + GM_IS_RX_COMPL = 1<<0, /* Frame Reception Complete */ + +#define GMAC_DEF_MSK GM_IS_TX_FF_UR + +/* GMAC_LINK_CTRL 16 bit GMAC Link Control Reg (YUKON only) */ + /* Bits 15.. 2: reserved */ + GMLC_RST_CLR = 1<<1, /* Clear GMAC Link Reset */ + GMLC_RST_SET = 1<<0, /* Set GMAC Link Reset */ + + +/* WOL_CTRL_STAT 16 bit WOL Control/Status Reg */ + WOL_CTL_LINK_CHG_OCC = 1<<15, + WOL_CTL_MAGIC_PKT_OCC = 1<<14, + WOL_CTL_PATTERN_OCC = 1<<13, + WOL_CTL_CLEAR_RESULT = 1<<12, + WOL_CTL_ENA_PME_ON_LINK_CHG = 1<<11, + WOL_CTL_DIS_PME_ON_LINK_CHG = 1<<10, + WOL_CTL_ENA_PME_ON_MAGIC_PKT = 1<<9, + WOL_CTL_DIS_PME_ON_MAGIC_PKT = 1<<8, + WOL_CTL_ENA_PME_ON_PATTERN = 1<<7, + WOL_CTL_DIS_PME_ON_PATTERN = 1<<6, + WOL_CTL_ENA_LINK_CHG_UNIT = 1<<5, + WOL_CTL_DIS_LINK_CHG_UNIT = 1<<4, + WOL_CTL_ENA_MAGIC_PKT_UNIT = 1<<3, + WOL_CTL_DIS_MAGIC_PKT_UNIT = 1<<2, + WOL_CTL_ENA_PATTERN_UNIT = 1<<1, + WOL_CTL_DIS_PATTERN_UNIT = 1<<0, +}; + +#define WOL_CTL_DEFAULT \ + (WOL_CTL_DIS_PME_ON_LINK_CHG | \ + WOL_CTL_DIS_PME_ON_PATTERN | \ + WOL_CTL_DIS_PME_ON_MAGIC_PKT | \ + WOL_CTL_DIS_LINK_CHG_UNIT | \ + WOL_CTL_DIS_PATTERN_UNIT | \ + WOL_CTL_DIS_MAGIC_PKT_UNIT) + +/* WOL_MATCH_CTL 8 bit WOL Match Control Reg */ +#define WOL_CTL_PATT_ENA(x) (1 << (x)) + + +/* Control flags */ +enum { + UDPTCP = 1<<0, + CALSUM = 1<<1, + WR_SUM = 1<<2, + INIT_SUM= 1<<3, + LOCK_SUM= 1<<4, + INS_VLAN= 1<<5, + FRC_STAT= 1<<6, + EOP = 1<<7, +}; + +enum { + HW_OWNER = 1<<7, + OP_TCPWRITE = 0x11, + OP_TCPSTART = 0x12, + OP_TCPINIT = 0x14, + OP_TCPLCK = 0x18, + OP_TCPCHKSUM = OP_TCPSTART, + OP_TCPIS = OP_TCPINIT | OP_TCPSTART, + OP_TCPLW = OP_TCPLCK | OP_TCPWRITE, + OP_TCPLSW = OP_TCPLCK | OP_TCPSTART | OP_TCPWRITE, + OP_TCPLISW = OP_TCPLCK | OP_TCPINIT | OP_TCPSTART | OP_TCPWRITE, + + OP_ADDR64 = 0x21, + OP_VLAN = 0x22, + OP_ADDR64VLAN = OP_ADDR64 | OP_VLAN, + OP_LRGLEN = 0x24, + OP_LRGLENVLAN = OP_LRGLEN | OP_VLAN, + OP_BUFFER = 0x40, + OP_PACKET = 0x41, + OP_LARGESEND = 0x43, + +/* YUKON-2 STATUS opcodes defines */ + OP_RXSTAT = 0x60, + OP_RXTIMESTAMP = 0x61, + OP_RXVLAN = 0x62, + OP_RXCHKS = 0x64, + OP_RXCHKSVLAN = OP_RXCHKS | OP_RXVLAN, + OP_RXTIMEVLAN = OP_RXTIMESTAMP | OP_RXVLAN, + OP_RSS_HASH = 0x65, + OP_TXINDEXLE = 0x68, +}; + +/* Yukon 2 hardware interface + * Not tested on big endian + */ +struct sky2_tx_le { + union { + __le32 addr; + struct { + __le16 offset; + __le16 start; + } csum __attribute((packed)); + struct { + __le16 size; + __le16 rsvd; + } tso __attribute((packed)); + } tx; + __le16 length; /* also vlan tag or checksum start */ + u8 ctrl; + u8 opcode; +} __attribute((packed)); + +struct sky2_rx_le { + __le32 addr; + __le16 length; + u8 ctrl; + u8 opcode; +} __attribute((packed));; + +struct sky2_status_le { + __le32 status; /* also checksum */ + __le16 length; /* also vlan tag */ + u8 link; + u8 opcode; +} __attribute((packed)); + +struct tx_ring_info { + struct sk_buff *skb; + DECLARE_PCI_UNMAP_ADDR(mapaddr); + u16 idx; +}; + +struct ring_info { + struct sk_buff *skb; + dma_addr_t mapaddr; +}; + +struct sky2_port { + struct sky2_hw *hw; + struct net_device *netdev; + unsigned port; + u32 msg_enable; + + spinlock_t tx_lock ____cacheline_aligned_in_smp; + struct tx_ring_info *tx_ring; + struct sky2_tx_le *tx_le; + u16 tx_cons; /* next le to check */ + u16 tx_prod; /* next le to use */ + u32 tx_addr64; + u16 tx_pending; + u16 tx_last_put; + u16 tx_last_mss; + + struct ring_info *rx_ring ____cacheline_aligned_in_smp; + struct sky2_rx_le *rx_le; + u32 rx_addr64; + u16 rx_next; /* next re to check */ + u16 rx_put; /* next le index to use */ + u16 rx_pending; + u16 rx_last_put; + u16 rx_bufsize; +#ifdef SKY2_VLAN_TAG_USED + u16 rx_tag; + struct vlan_group *vlgrp; +#endif + + dma_addr_t rx_le_map; + dma_addr_t tx_le_map; + u32 advertising; /* ADVERTISED_ bits */ + u16 speed; /* SPEED_1000, SPEED_100, ... */ + u8 autoneg; /* AUTONEG_ENABLE, AUTONEG_DISABLE */ + u8 duplex; /* DUPLEX_HALF, DUPLEX_FULL */ + u8 rx_pause; + u8 tx_pause; + u8 rx_csum; + u8 wol; + + struct net_device_stats net_stats; + + struct work_struct phy_task; + struct semaphore phy_sema; +}; + +struct sky2_hw { + void __iomem *regs; + struct pci_dev *pdev; + u32 intr_mask; + struct net_device *dev[2]; + + int pm_cap; + u8 chip_id; + u8 chip_rev; + u8 copper; + u8 ports; + + struct sky2_status_le *st_le; + u32 st_idx; + dma_addr_t st_dma; +}; + +/* Register accessor for memory mapped device */ +static inline u32 sky2_read32(const struct sky2_hw *hw, unsigned reg) +{ + return readl(hw->regs + reg); +} + +static inline u16 sky2_read16(const struct sky2_hw *hw, unsigned reg) +{ + return readw(hw->regs + reg); +} + +static inline u8 sky2_read8(const struct sky2_hw *hw, unsigned reg) +{ + return readb(hw->regs + reg); +} + +/* This should probably go away, bus based tweeks suck */ +static inline int is_pciex(const struct sky2_hw *hw) +{ + u32 status; + pci_read_config_dword(hw->pdev, PCI_DEV_STATUS, &status); + return (status & PCI_OS_PCI_X) == 0; +} + +static inline void sky2_write32(const struct sky2_hw *hw, unsigned reg, u32 val) +{ + writel(val, hw->regs + reg); +} + +static inline void sky2_write16(const struct sky2_hw *hw, unsigned reg, u16 val) +{ + writew(val, hw->regs + reg); +} + +static inline void sky2_write8(const struct sky2_hw *hw, unsigned reg, u8 val) +{ + writeb(val, hw->regs + reg); +} + +/* Yukon PHY related registers */ +#define SK_GMAC_REG(port,reg) \ + (BASE_GMAC_1 + (port) * (BASE_GMAC_2-BASE_GMAC_1) + (reg)) +#define GM_PHY_RETRIES 100 + +static inline u16 gma_read16(const struct sky2_hw *hw, unsigned port, unsigned reg) +{ + return sky2_read16(hw, SK_GMAC_REG(port,reg)); +} + +static inline u32 gma_read32(struct sky2_hw *hw, unsigned port, unsigned reg) +{ + unsigned base = SK_GMAC_REG(port, reg); + return (u32) sky2_read16(hw, base) + | (u32) sky2_read16(hw, base+4) << 16; +} + +static inline void gma_write16(const struct sky2_hw *hw, unsigned port, int r, u16 v) +{ + sky2_write16(hw, SK_GMAC_REG(port,r), v); +} + +static inline void gma_set_addr(struct sky2_hw *hw, unsigned port, unsigned reg, + const u8 *addr) +{ + gma_write16(hw, port, reg, (u16) addr[0] | ((u16) addr[1] << 8)); + gma_write16(hw, port, reg+4,(u16) addr[2] | ((u16) addr[3] << 8)); + gma_write16(hw, port, reg+8,(u16) addr[4] | ((u16) addr[5] << 8)); +} +#endif diff --git a/drivers/net/slip.c b/drivers/net/slip.c index 404ea4297e3..b2e18d28850 100644 --- a/drivers/net/slip.c +++ b/drivers/net/slip.c @@ -651,11 +651,6 @@ static void sl_setup(struct net_device *dev) ******************************************/ -static int slip_receive_room(struct tty_struct *tty) -{ - return 65536; /* We can handle an infinite amount of data. :-) */ -} - /* * Handle the 'receiver data ready' interrupt. * This function is called by the 'tty_io' module in the kernel when @@ -869,10 +864,6 @@ static int slip_open(struct tty_struct *tty) sl->line = tty_devnum(tty); sl->pid = current->pid; - /* FIXME: already done before we were called - seems this can go */ - if (tty->driver->flush_buffer) - tty->driver->flush_buffer(tty); - if (!test_bit(SLF_INUSE, &sl->flags)) { /* Perform the low-level SLIP initialization. */ if ((err = sl_alloc_bufs(sl, SL_MTU)) != 0) @@ -897,6 +888,7 @@ static int slip_open(struct tty_struct *tty) /* Done. We have linked the TTY line to a channel. */ rtnl_unlock(); + tty->receive_room = 65536; /* We don't flow control */ return sl->dev->base_addr; err_free_bufs: @@ -1329,7 +1321,6 @@ static struct tty_ldisc sl_ldisc = { .close = slip_close, .ioctl = slip_ioctl, .receive_buf = slip_receive_buf, - .receive_room = slip_receive_room, .write_wakeup = slip_write_wakeup, }; diff --git a/drivers/net/smc-ultra.c b/drivers/net/smc-ultra.c index ba8593ac3f8..3db30cd0625 100644 --- a/drivers/net/smc-ultra.c +++ b/drivers/net/smc-ultra.c @@ -168,18 +168,6 @@ static int __init do_ultra_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - /* NB: ultra_close_card() does free_irq */ -#ifdef __ISAPNP__ - struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; - if (idev) - pnp_device_detach(idev); -#endif - release_region(dev->base_addr - ULTRA_NIC_OFFSET, ULTRA_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init ultra_probe(int unit) { @@ -594,6 +582,18 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + /* NB: ultra_close_card() does free_irq */ +#ifdef __ISAPNP__ + struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv; + if (idev) + pnp_device_detach(idev); +#endif + release_region(dev->base_addr - ULTRA_NIC_OFFSET, ULTRA_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c index 28bf2e69eb5..7ec08127c9d 100644 --- a/drivers/net/smc91x.c +++ b/drivers/net/smc91x.c @@ -88,7 +88,6 @@ static const char version[] = #include <linux/skbuff.h> #include <asm/io.h> -#include <asm/irq.h> #include "smc91x.h" @@ -2007,12 +2006,10 @@ static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr) } /* Grab the IRQ */ - retval = request_irq(dev->irq, &smc_interrupt, 0, dev->name, dev); + retval = request_irq(dev->irq, &smc_interrupt, SMC_IRQ_FLAGS, dev->name, dev); if (retval) goto err_out; - set_irq_type(dev->irq, SMC_IRQ_TRIGGER_TYPE); - #ifdef SMC_USE_PXA_DMA { int dma = pxa_request_dma(dev->name, DMA_PRIO_LOW, diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index 5c2824be4ee..e0efd1964e7 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -90,7 +90,7 @@ __l--; \ } \ } while (0) -#define set_irq_type(irq, type) +#define SMC_IRQ_FLAGS (0) #elif defined(CONFIG_SA1100_PLEB) /* We can only do 16-bit reads and writes in the static memory space. */ @@ -109,7 +109,7 @@ #define SMC_outw(v, a, r) writew(v, (a) + (r)) #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l) -#define set_irq_type(irq, type) do {} while (0) +#define SMC_IRQ_FLAGS (0) #elif defined(CONFIG_SA1100_ASSABET) @@ -185,11 +185,11 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg) #include <asm/mach-types.h> #include <asm/arch/cpu.h> -#define SMC_IRQ_TRIGGER_TYPE (( \ +#define SMC_IRQ_FLAGS (( \ machine_is_omap_h2() \ || machine_is_omap_h3() \ || (machine_is_omap_innovator() && !cpu_is_omap1510()) \ - ) ? IRQT_FALLING : IRQT_RISING) + ) ? SA_TRIGGER_FALLING : SA_TRIGGER_RISING) #elif defined(CONFIG_SH_SH4202_MICRODEV) @@ -209,7 +209,7 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg) #define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l) #define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l) -#define set_irq_type(irq, type) do {} while(0) +#define SMC_IRQ_FLAGS (0) #elif defined(CONFIG_ISA) @@ -237,7 +237,7 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg) #define SMC_insw(a, r, p, l) insw(((u32)a) + (r), p, l) #define SMC_outsw(a, r, p, l) outsw(((u32)a) + (r), p, l) -#define set_irq_type(irq, type) do {} while(0) +#define SMC_IRQ_FLAGS (0) #define RPC_LSA_DEFAULT RPC_LED_TX_RX #define RPC_LSB_DEFAULT RPC_LED_100_10 @@ -319,7 +319,7 @@ static inline void SMC_outsw (unsigned long a, int r, unsigned char* p, int l) au_writew(*_p++ , _a); \ } while(0) -#define set_irq_type(irq, type) do {} while (0) +#define SMC_IRQ_FLAGS (0) #else @@ -342,8 +342,8 @@ static inline void SMC_outsw (unsigned long a, int r, unsigned char* p, int l) #endif -#ifndef SMC_IRQ_TRIGGER_TYPE -#define SMC_IRQ_TRIGGER_TYPE IRQT_RISING +#ifndef SMC_IRQ_FLAGS +#define SMC_IRQ_FLAGS SA_TRIGGER_RISING #endif #ifdef SMC_USE_PXA_DMA diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index 0d765f1733b..1f5975a61e1 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -22,7 +22,6 @@ */ #include <linux/config.h> - #include <linux/compiler.h> #include <linux/crc32.h> #include <linux/delay.h> @@ -30,6 +29,7 @@ #include <linux/ethtool.h> #include <linux/firmware.h> #include <linux/if_vlan.h> +#include <linux/in.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/ip.h> @@ -43,6 +43,7 @@ #include <linux/slab.h> #include <linux/tcp.h> #include <linux/types.h> +#include <linux/vmalloc.h> #include <linux/wait.h> #include <linux/workqueue.h> #include <asm/bitops.h> @@ -108,42 +109,6 @@ spider_net_write_reg(struct spider_net_card *card, u32 reg, u32 value) writel(value, card->regs + reg); } -/** - * spider_net_write_reg_sync - writes to an SMMIO register of a card - * @card: device structure - * @reg: register to write to - * @value: value to write into the specified SMMIO register - * - * Unlike spider_net_write_reg, this will also make sure the - * data arrives on the card by reading the reg again. - */ -static void -spider_net_write_reg_sync(struct spider_net_card *card, u32 reg, u32 value) -{ - value = cpu_to_le32(value); - writel(value, card->regs + reg); - (void)readl(card->regs + reg); -} - -/** - * spider_net_rx_irq_off - switch off rx irq on this spider card - * @card: device structure - * - * switches off rx irq by masking them out in the GHIINTnMSK register - */ -static void -spider_net_rx_irq_off(struct spider_net_card *card) -{ - u32 regvalue; - unsigned long flags; - - spin_lock_irqsave(&card->intmask_lock, flags); - regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK); - regvalue &= ~SPIDER_NET_RXINT; - spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue); - spin_unlock_irqrestore(&card->intmask_lock, flags); -} - /** spider_net_write_phy - write to phy register * @netdev: adapter to be written to * @mii_id: id of MII @@ -199,60 +164,33 @@ spider_net_read_phy(struct net_device *netdev, int mii_id, int reg) } /** - * spider_net_rx_irq_on - switch on rx irq on this spider card - * @card: device structure - * - * switches on rx irq by enabling them in the GHIINTnMSK register - */ -static void -spider_net_rx_irq_on(struct spider_net_card *card) -{ - u32 regvalue; - unsigned long flags; - - spin_lock_irqsave(&card->intmask_lock, flags); - regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK); - regvalue |= SPIDER_NET_RXINT; - spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue); - spin_unlock_irqrestore(&card->intmask_lock, flags); -} - -/** - * spider_net_tx_irq_off - switch off tx irq on this spider card + * spider_net_rx_irq_off - switch off rx irq on this spider card * @card: device structure * - * switches off tx irq by masking them out in the GHIINTnMSK register + * switches off rx irq by masking them out in the GHIINTnMSK register */ static void -spider_net_tx_irq_off(struct spider_net_card *card) +spider_net_rx_irq_off(struct spider_net_card *card) { u32 regvalue; - unsigned long flags; - spin_lock_irqsave(&card->intmask_lock, flags); - regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK); - regvalue &= ~SPIDER_NET_TXINT; - spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue); - spin_unlock_irqrestore(&card->intmask_lock, flags); + regvalue = SPIDER_NET_INT0_MASK_VALUE & (~SPIDER_NET_RXINT); + spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, regvalue); } /** - * spider_net_tx_irq_on - switch on tx irq on this spider card + * spider_net_rx_irq_on - switch on rx irq on this spider card * @card: device structure * - * switches on tx irq by enabling them in the GHIINTnMSK register + * switches on rx irq by enabling them in the GHIINTnMSK register */ static void -spider_net_tx_irq_on(struct spider_net_card *card) +spider_net_rx_irq_on(struct spider_net_card *card) { u32 regvalue; - unsigned long flags; - spin_lock_irqsave(&card->intmask_lock, flags); - regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK); - regvalue |= SPIDER_NET_TXINT; - spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue); - spin_unlock_irqrestore(&card->intmask_lock, flags); + regvalue = SPIDER_NET_INT0_MASK_VALUE | SPIDER_NET_RXINT; + spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, regvalue); } /** @@ -326,9 +264,8 @@ static enum spider_net_descr_status spider_net_get_descr_status(struct spider_net_descr *descr) { u32 cmd_status; - rmb(); + cmd_status = descr->dmac_cmd_status; - rmb(); cmd_status >>= SPIDER_NET_DESCR_IND_PROC_SHIFT; /* no need to mask out any bits, as cmd_status is 32 bits wide only * (and unsigned) */ @@ -349,7 +286,6 @@ spider_net_set_descr_status(struct spider_net_descr *descr, { u32 cmd_status; /* read the status */ - mb(); cmd_status = descr->dmac_cmd_status; /* clean the upper 4 bits */ cmd_status &= SPIDER_NET_DESCR_IND_PROC_MASKO; @@ -357,7 +293,6 @@ spider_net_set_descr_status(struct spider_net_descr *descr, cmd_status |= ((u32)status)<<SPIDER_NET_DESCR_IND_PROC_SHIFT; /* and write it back */ descr->dmac_cmd_status = cmd_status; - wmb(); } /** @@ -398,8 +333,9 @@ spider_net_init_chain(struct spider_net_card *card, { int i; struct spider_net_descr *descr; + dma_addr_t buf; - spin_lock_init(&card->chain_lock); + atomic_set(&card->rx_chain_refill,0); descr = start_descr; memset(descr, 0, sizeof(*descr) * no); @@ -408,14 +344,14 @@ spider_net_init_chain(struct spider_net_card *card, for (i=0; i<no; i++, descr++) { spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE); - descr->bus_addr = - pci_map_single(card->pdev, descr, - SPIDER_NET_DESCR_SIZE, - PCI_DMA_BIDIRECTIONAL); + buf = pci_map_single(card->pdev, descr, + SPIDER_NET_DESCR_SIZE, + PCI_DMA_BIDIRECTIONAL); - if (descr->bus_addr == DMA_ERROR_CODE) + if (buf == DMA_ERROR_CODE) goto iommu_error; + descr->bus_addr = buf; descr->next = descr + 1; descr->prev = descr - 1; @@ -439,7 +375,8 @@ iommu_error: for (i=0; i < no; i++, descr++) if (descr->bus_addr) pci_unmap_single(card->pdev, descr->bus_addr, - SPIDER_NET_DESCR_SIZE, PCI_DMA_BIDIRECTIONAL); + SPIDER_NET_DESCR_SIZE, + PCI_DMA_BIDIRECTIONAL); return -ENOMEM; } @@ -459,7 +396,7 @@ spider_net_free_rx_chain_contents(struct spider_net_card *card) if (descr->skb) { dev_kfree_skb(descr->skb); pci_unmap_single(card->pdev, descr->buf_addr, - SPIDER_NET_MAX_MTU, + SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL); } descr = descr->next; @@ -480,12 +417,13 @@ static int spider_net_prepare_rx_descr(struct spider_net_card *card, struct spider_net_descr *descr) { + dma_addr_t buf; int error = 0; int offset; int bufsize; /* we need to round up the buffer size to a multiple of 128 */ - bufsize = (SPIDER_NET_MAX_MTU + SPIDER_NET_RXBUF_ALIGN - 1) & + bufsize = (SPIDER_NET_MAX_FRAME + SPIDER_NET_RXBUF_ALIGN - 1) & (~(SPIDER_NET_RXBUF_ALIGN - 1)); /* and we need to have it 128 byte aligned, therefore we allocate a @@ -493,10 +431,8 @@ spider_net_prepare_rx_descr(struct spider_net_card *card, /* allocate an skb */ descr->skb = dev_alloc_skb(bufsize + SPIDER_NET_RXBUF_ALIGN - 1); if (!descr->skb) { - if (net_ratelimit()) - if (netif_msg_rx_err(card)) - pr_err("Not enough memory to allocate " - "rx buffer\n"); + if (netif_msg_rx_err(card) && net_ratelimit()) + pr_err("Not enough memory to allocate rx buffer\n"); return -ENOMEM; } descr->buf_size = bufsize; @@ -510,12 +446,12 @@ spider_net_prepare_rx_descr(struct spider_net_card *card, if (offset) skb_reserve(descr->skb, SPIDER_NET_RXBUF_ALIGN - offset); /* io-mmu-map the skb */ - descr->buf_addr = pci_map_single(card->pdev, descr->skb->data, - SPIDER_NET_MAX_MTU, - PCI_DMA_BIDIRECTIONAL); - if (descr->buf_addr == DMA_ERROR_CODE) { + buf = pci_map_single(card->pdev, descr->skb->data, + SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL); + descr->buf_addr = buf; + if (buf == DMA_ERROR_CODE) { dev_kfree_skb_any(descr->skb); - if (netif_msg_rx_err(card)) + if (netif_msg_rx_err(card) && net_ratelimit()) pr_err("Could not iommu-map rx buffer\n"); spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE); } else { @@ -526,10 +462,10 @@ spider_net_prepare_rx_descr(struct spider_net_card *card, } /** - * spider_net_enable_rxctails - sets RX dmac chain tail addresses + * spider_net_enable_rxchtails - sets RX dmac chain tail addresses * @card: card structure * - * spider_net_enable_rxctails sets the RX DMAC chain tail adresses in the + * spider_net_enable_rxchtails sets the RX DMAC chain tail adresses in the * chip by writing to the appropriate register. DMA is enabled in * spider_net_enable_rxdmac. */ @@ -551,6 +487,7 @@ spider_net_enable_rxchtails(struct spider_net_card *card) static void spider_net_enable_rxdmac(struct spider_net_card *card) { + wmb(); spider_net_write_reg(card, SPIDER_NET_GDADMACCNTR, SPIDER_NET_DMA_RX_VALUE); } @@ -559,32 +496,28 @@ spider_net_enable_rxdmac(struct spider_net_card *card) * spider_net_refill_rx_chain - refills descriptors/skbs in the rx chains * @card: card structure * - * refills descriptors in all chains (last used chain first): allocates skbs - * and iommu-maps them. + * refills descriptors in the rx chain: allocates skbs and iommu-maps them. */ static void spider_net_refill_rx_chain(struct spider_net_card *card) { struct spider_net_descr_chain *chain; - int count = 0; - unsigned long flags; chain = &card->rx_chain; - spin_lock_irqsave(&card->chain_lock, flags); - while (spider_net_get_descr_status(chain->head) == - SPIDER_NET_DESCR_NOT_IN_USE) { - if (spider_net_prepare_rx_descr(card, chain->head)) - break; - count++; - chain->head = chain->head->next; - } - spin_unlock_irqrestore(&card->chain_lock, flags); + /* one context doing the refill (and a second context seeing that + * and omitting it) is ok. If called by NAPI, we'll be called again + * as spider_net_decode_one_descr is called several times. If some + * interrupt calls us, the NAPI is about to clean up anyway. */ + if (atomic_inc_return(&card->rx_chain_refill) == 1) + while (spider_net_get_descr_status(chain->head) == + SPIDER_NET_DESCR_NOT_IN_USE) { + if (spider_net_prepare_rx_descr(card, chain->head)) + break; + chain->head = chain->head->next; + } - /* could be optimized, only do that, if we know the DMA processing - * has terminated */ - if (count) - spider_net_enable_rxdmac(card); + atomic_dec(&card->rx_chain_refill); } /** @@ -613,6 +546,7 @@ spider_net_alloc_rx_skbs(struct spider_net_card *card) /* this will allocate the rest of the rx buffers; if not, it's * business as usual later on */ spider_net_refill_rx_chain(card); + spider_net_enable_rxdmac(card); return 0; error: @@ -649,24 +583,30 @@ spider_net_release_tx_descr(struct spider_net_card *card, * @card: adapter structure * @brutal: if set, don't care about whether descriptor seems to be in use * - * releases the tx descriptors that spider has finished with (if non-brutal) - * or simply release tx descriptors (if brutal) + * returns 0 if the tx ring is empty, otherwise 1. + * + * spider_net_release_tx_chain releases the tx descriptors that spider has + * finished with (if non-brutal) or simply release tx descriptors (if brutal). + * If some other context is calling this function, we return 1 so that we're + * scheduled again (if we were scheduled) and will not loose initiative. */ -static void +static int spider_net_release_tx_chain(struct spider_net_card *card, int brutal) { struct spider_net_descr_chain *tx_chain = &card->tx_chain; enum spider_net_descr_status status; - spider_net_tx_irq_off(card); + if (atomic_inc_return(&card->tx_chain_release) != 1) { + atomic_dec(&card->tx_chain_release); + return 1; + } - /* no lock for chain needed, if this is only executed once at a time */ -again: for (;;) { status = spider_net_get_descr_status(tx_chain->tail); switch (status) { case SPIDER_NET_DESCR_CARDOWNED: - if (!brutal) goto out; + if (!brutal) + goto out; /* fallthrough, if we release the descriptors * brutally (then we don't care about * SPIDER_NET_DESCR_CARDOWNED) */ @@ -693,25 +633,30 @@ again: tx_chain->tail = tx_chain->tail->next; } out: + atomic_dec(&card->tx_chain_release); + netif_wake_queue(card->netdev); - if (!brutal) { - /* switch on tx irqs (while we are still in the interrupt - * handler, so we don't get an interrupt), check again - * for done descriptors. This results in fewer interrupts */ - spider_net_tx_irq_on(card); - status = spider_net_get_descr_status(tx_chain->tail); - switch (status) { - case SPIDER_NET_DESCR_RESPONSE_ERROR: - case SPIDER_NET_DESCR_PROTECTION_ERROR: - case SPIDER_NET_DESCR_FORCE_END: - case SPIDER_NET_DESCR_COMPLETE: - goto again; - default: - break; - } - } + if (status == SPIDER_NET_DESCR_CARDOWNED) + return 1; + return 0; +} +/** + * spider_net_cleanup_tx_ring - cleans up the TX ring + * @card: card structure + * + * spider_net_cleanup_tx_ring is called by the tx_timer (as we don't use + * interrupts to cleanup our TX ring) and returns sent packets to the stack + * by freeing them + */ +static void +spider_net_cleanup_tx_ring(struct spider_net_card *card) +{ + if ( (spider_net_release_tx_chain(card, 0)) && + (card->netdev->flags & IFF_UP) ) { + mod_timer(&card->tx_timer, jiffies + SPIDER_NET_TX_TIMER); + } } /** @@ -726,16 +671,22 @@ out: static u8 spider_net_get_multicast_hash(struct net_device *netdev, __u8 *addr) { - /* FIXME: an addr of 01:00:5e:00:00:01 must result in 0xa9, - * ff:ff:ff:ff:ff:ff must result in 0xfd */ u32 crc; u8 hash; + char addr_for_crc[ETH_ALEN] = { 0, }; + int i, bit; - crc = crc32_be(~0, addr, netdev->addr_len); + for (i = 0; i < ETH_ALEN * 8; i++) { + bit = (addr[i / 8] >> (i % 8)) & 1; + addr_for_crc[ETH_ALEN - 1 - i / 8] += bit << (7 - (i % 8)); + } + + crc = crc32_be(~0, addr_for_crc, netdev->addr_len); hash = (crc >> 27); hash <<= 3; hash |= crc & 7; + hash &= 0xff; return hash; } @@ -821,9 +772,11 @@ spider_net_stop(struct net_device *netdev) { struct spider_net_card *card = netdev_priv(netdev); + tasklet_kill(&card->rxram_full_tl); netif_poll_disable(netdev); netif_carrier_off(netdev); netif_stop_queue(netdev); + del_timer_sync(&card->tx_timer); /* disable/mask all interrupts */ spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, 0); @@ -872,13 +825,15 @@ spider_net_get_next_tx_descr(struct spider_net_card *card) * @skb: packet to consider * * fills out the command and status field of the descriptor structure, - * depending on hardware checksum settings. This function assumes a wmb() - * has executed before. + * depending on hardware checksum settings. */ static void spider_net_set_txdescr_cmdstat(struct spider_net_descr *descr, struct sk_buff *skb) { + /* make sure the other fields in the descriptor are written */ + wmb(); + if (skb->ip_summed != CHECKSUM_HW) { descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_NOCS; return; @@ -887,14 +842,13 @@ spider_net_set_txdescr_cmdstat(struct spider_net_descr *descr, /* is packet ip? * if yes: tcp? udp? */ if (skb->protocol == htons(ETH_P_IP)) { - if (skb->nh.iph->protocol == IPPROTO_TCP) { + if (skb->nh.iph->protocol == IPPROTO_TCP) descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_TCPCS; - } else if (skb->nh.iph->protocol == IPPROTO_UDP) { + else if (skb->nh.iph->protocol == IPPROTO_UDP) descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_UDPCS; - } else { /* the stack should checksum non-tcp and non-udp - packets on his own: NETIF_F_IP_CSUM */ + else /* the stack should checksum non-tcp and non-udp + packets on his own: NETIF_F_IP_CSUM */ descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_NOCS; - } } } @@ -914,23 +868,22 @@ spider_net_prepare_tx_descr(struct spider_net_card *card, struct spider_net_descr *descr, struct sk_buff *skb) { - descr->buf_addr = pci_map_single(card->pdev, skb->data, - skb->len, PCI_DMA_BIDIRECTIONAL); - if (descr->buf_addr == DMA_ERROR_CODE) { - if (netif_msg_tx_err(card)) + dma_addr_t buf; + + buf = pci_map_single(card->pdev, skb->data, + skb->len, PCI_DMA_BIDIRECTIONAL); + if (buf == DMA_ERROR_CODE) { + if (netif_msg_tx_err(card) && net_ratelimit()) pr_err("could not iommu-map packet (%p, %i). " "Dropping packet\n", skb->data, skb->len); return -ENOMEM; } + descr->buf_addr = buf; descr->buf_size = skb->len; descr->skb = skb; descr->data_status = 0; - /* make sure the above values are in memory before we change the - * status */ - wmb(); - spider_net_set_txdescr_cmdstat(descr,skb); return 0; @@ -972,17 +925,12 @@ spider_net_xmit(struct sk_buff *skb, struct net_device *netdev) struct spider_net_descr *descr; int result; - descr = spider_net_get_next_tx_descr(card); + spider_net_release_tx_chain(card, 0); - if (!descr) { - netif_stop_queue(netdev); + descr = spider_net_get_next_tx_descr(card); - descr = spider_net_get_next_tx_descr(card); - if (!descr) - goto error; - else - netif_start_queue(netdev); - } + if (!descr) + goto error; result = spider_net_prepare_tx_descr(card, descr, skb); if (result) @@ -990,19 +938,25 @@ spider_net_xmit(struct sk_buff *skb, struct net_device *netdev) card->tx_chain.head = card->tx_chain.head->next; - /* make sure the status from spider_net_prepare_tx_descr is in - * memory before we check out the previous descriptor */ - wmb(); - if (spider_net_get_descr_status(descr->prev) != - SPIDER_NET_DESCR_CARDOWNED) - spider_net_kick_tx_dma(card, descr); + SPIDER_NET_DESCR_CARDOWNED) { + /* make sure the current descriptor is in memory. Then + * kicking it on again makes sense, if the previous is not + * card-owned anymore. Check the previous descriptor twice + * to omit an mb() in heavy traffic cases */ + mb(); + if (spider_net_get_descr_status(descr->prev) != + SPIDER_NET_DESCR_CARDOWNED) + spider_net_kick_tx_dma(card, descr); + } + + mod_timer(&card->tx_timer, jiffies + SPIDER_NET_TX_TIMER); return NETDEV_TX_OK; error: card->netdev_stats.tx_dropped++; - return NETDEV_TX_LOCKED; + return NETDEV_TX_BUSY; } /** @@ -1027,6 +981,7 @@ spider_net_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) * spider_net_pass_skb_up - takes an skb from a descriptor and passes it on * @descr: descriptor to process * @card: card structure + * @napi: whether caller is in NAPI context * * returns 1 on success, 0 if no packet was passed to the stack * @@ -1035,7 +990,7 @@ spider_net_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) */ static int spider_net_pass_skb_up(struct spider_net_descr *descr, - struct spider_net_card *card) + struct spider_net_card *card, int napi) { struct sk_buff *skb; struct net_device *netdev; @@ -1046,22 +1001,20 @@ spider_net_pass_skb_up(struct spider_net_descr *descr, netdev = card->netdev; - /* check for errors in the data_error flag */ - if ((data_error & SPIDER_NET_DATA_ERROR_MASK) && - netif_msg_rx_err(card)) - pr_err("error in received descriptor found, " - "data_status=x%08x, data_error=x%08x\n", - data_status, data_error); - - /* prepare skb, unmap descriptor */ - skb = descr->skb; - pci_unmap_single(card->pdev, descr->buf_addr, SPIDER_NET_MAX_MTU, + /* unmap descriptor */ + pci_unmap_single(card->pdev, descr->buf_addr, SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL); /* the cases we'll throw away the packet immediately */ - if (data_error & SPIDER_NET_DESTROY_RX_FLAGS) + if (data_error & SPIDER_NET_DESTROY_RX_FLAGS) { + if (netif_msg_rx_err(card)) + pr_err("error in received descriptor found, " + "data_status=x%08x, data_error=x%08x\n", + data_status, data_error); return 0; + } + skb = descr->skb; skb->dev = netdev; skb_put(skb, descr->valid_size); @@ -1073,14 +1026,14 @@ spider_net_pass_skb_up(struct spider_net_descr *descr, /* checksum offload */ if (card->options.rx_csum) { - if ( (data_status & SPIDER_NET_DATA_STATUS_CHK_MASK) && - (!(data_error & SPIDER_NET_DATA_ERROR_CHK_MASK)) ) + if ( ( (data_status & SPIDER_NET_DATA_STATUS_CKSUM_MASK) == + SPIDER_NET_DATA_STATUS_CKSUM_MASK) && + !(data_error & SPIDER_NET_DATA_ERR_CKSUM_MASK)) skb->ip_summed = CHECKSUM_UNNECESSARY; else skb->ip_summed = CHECKSUM_NONE; - } else { + } else skb->ip_summed = CHECKSUM_NONE; - } if (data_status & SPIDER_NET_VLAN_PACKET) { /* further enhancements: HW-accel VLAN @@ -1089,7 +1042,10 @@ spider_net_pass_skb_up(struct spider_net_descr *descr, } /* pass skb up to stack */ - netif_receive_skb(skb); + if (napi) + netif_receive_skb(skb); + else + netif_rx_ni(skb); /* update netdevice statistics */ card->netdev_stats.rx_packets++; @@ -1099,16 +1055,18 @@ spider_net_pass_skb_up(struct spider_net_descr *descr, } /** - * spider_net_decode_descr - processes an rx descriptor + * spider_net_decode_one_descr - processes an rx descriptor * @card: card structure + * @napi: whether caller is in NAPI context * * returns 1 if a packet has been sent to the stack, otherwise 0 * * processes an rx descriptor by iommu-unmapping the data buffer and passing - * the packet up to the stack + * the packet up to the stack. This function is called in softirq + * context, e.g. either bottom half from interrupt or NAPI polling context */ static int -spider_net_decode_one_descr(struct spider_net_card *card) +spider_net_decode_one_descr(struct spider_net_card *card, int napi) { enum spider_net_descr_status status; struct spider_net_descr *descr; @@ -1122,17 +1080,19 @@ spider_net_decode_one_descr(struct spider_net_card *card) if (status == SPIDER_NET_DESCR_CARDOWNED) { /* nothing in the descriptor yet */ - return 0; + result=0; + goto out; } if (status == SPIDER_NET_DESCR_NOT_IN_USE) { - /* not initialized yet, I bet chain->tail == chain->head - * and the ring is empty */ + /* not initialized yet, the ring must be empty */ spider_net_refill_rx_chain(card); - return 0; + spider_net_enable_rxdmac(card); + result=0; + goto out; } - /* descriptor definitively used -- move on head */ + /* descriptor definitively used -- move on tail */ chain->tail = descr->next; result = 0; @@ -1143,6 +1103,9 @@ spider_net_decode_one_descr(struct spider_net_card *card) pr_err("%s: dropping RX descriptor with state %d\n", card->netdev->name, status); card->netdev_stats.rx_dropped++; + pci_unmap_single(card->pdev, descr->buf_addr, + SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL); + dev_kfree_skb_irq(descr->skb); goto refill; } @@ -1155,12 +1118,13 @@ spider_net_decode_one_descr(struct spider_net_card *card) } /* ok, we've got a packet in descr */ - result = spider_net_pass_skb_up(descr, card); + result = spider_net_pass_skb_up(descr, card, napi); refill: spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE); /* change the descriptor state: */ - spider_net_refill_rx_chain(card); - + if (!napi) + spider_net_refill_rx_chain(card); +out: return result; } @@ -1186,7 +1150,7 @@ spider_net_poll(struct net_device *netdev, int *budget) packets_to_do = min(*budget, netdev->quota); while (packets_to_do) { - if (spider_net_decode_one_descr(card)) { + if (spider_net_decode_one_descr(card, 1)) { packets_done++; packets_to_do--; } else { @@ -1198,6 +1162,7 @@ spider_net_poll(struct net_device *netdev, int *budget) netdev->quota -= packets_done; *budget -= packets_done; + spider_net_refill_rx_chain(card); /* if all packets are in the stack, enable interrupts and return 0 */ /* if not, return 1 */ @@ -1342,6 +1307,24 @@ spider_net_enable_txdmac(struct spider_net_card *card) } /** + * spider_net_handle_rxram_full - cleans up RX ring upon RX RAM full interrupt + * @card: card structure + * + * spider_net_handle_rxram_full empties the RX ring so that spider can put + * more packets in it and empty its RX RAM. This is called in bottom half + * context + */ +static void +spider_net_handle_rxram_full(struct spider_net_card *card) +{ + while (spider_net_decode_one_descr(card, 0)) + ; + spider_net_enable_rxchtails(card); + spider_net_enable_rxdmac(card); + netif_rx_schedule(card->netdev); +} + +/** * spider_net_handle_error_irq - handles errors raised by an interrupt * @card: card structure * @status_reg: interrupt status register 0 (GHIINT0STS) @@ -1449,17 +1432,21 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg) switch (i) { case SPIDER_NET_GTMFLLINT: - if (netif_msg_intr(card)) + if (netif_msg_intr(card) && net_ratelimit()) pr_err("Spider TX RAM full\n"); show_error = 0; break; + case SPIDER_NET_GRFDFLLINT: /* fallthrough */ + case SPIDER_NET_GRFCFLLINT: /* fallthrough */ + case SPIDER_NET_GRFBFLLINT: /* fallthrough */ + case SPIDER_NET_GRFAFLLINT: /* fallthrough */ case SPIDER_NET_GRMFLLINT: - if (netif_msg_intr(card)) + if (netif_msg_intr(card) && net_ratelimit()) pr_err("Spider RX RAM full, incoming packets " - "might be discarded !\n"); - netif_rx_schedule(card->netdev); - spider_net_enable_rxchtails(card); - spider_net_enable_rxdmac(card); + "might be discarded!\n"); + spider_net_rx_irq_off(card); + tasklet_schedule(&card->rxram_full_tl); + show_error = 0; break; /* case SPIDER_NET_GTMSHTINT: problem, print a message */ @@ -1467,10 +1454,6 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg) /* allrighty. tx from previous descr ok */ show_error = 0; break; - /* case SPIDER_NET_GRFDFLLINT: print a message down there */ - /* case SPIDER_NET_GRFCFLLINT: print a message down there */ - /* case SPIDER_NET_GRFBFLLINT: print a message down there */ - /* case SPIDER_NET_GRFAFLLINT: print a message down there */ /* chain end */ case SPIDER_NET_GDDDCEINT: /* fallthrough */ @@ -1482,6 +1465,7 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg) "restarting DMAC %c.\n", 'D'+i-SPIDER_NET_GDDDCEINT); spider_net_refill_rx_chain(card); + spider_net_enable_rxdmac(card); show_error = 0; break; @@ -1492,6 +1476,7 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg) case SPIDER_NET_GDAINVDINT: /* could happen when rx chain is full */ spider_net_refill_rx_chain(card); + spider_net_enable_rxdmac(card); show_error = 0; break; @@ -1580,17 +1565,13 @@ spider_net_interrupt(int irq, void *ptr, struct pt_regs *regs) if (!status_reg) return IRQ_NONE; - if (status_reg & SPIDER_NET_TXINT) - spider_net_release_tx_chain(card, 0); - if (status_reg & SPIDER_NET_RXINT ) { spider_net_rx_irq_off(card); netif_rx_schedule(netdev); } - /* we do this after rx and tx processing, as we want the tx chain - * processed to see, whether we should restart tx dma processing */ - spider_net_handle_error_irq(card, status_reg); + if (status_reg & SPIDER_NET_ERRINT ) + spider_net_handle_error_irq(card, status_reg); /* clear interrupt sources */ spider_net_write_reg(card, SPIDER_NET_GHIINT0STS, status_reg); @@ -1831,34 +1812,40 @@ spider_net_setup_phy(struct spider_net_card *card) /** * spider_net_download_firmware - loads firmware into the adapter * @card: card structure - * @firmware: firmware pointer + * @firmware_ptr: pointer to firmware data * - * spider_net_download_firmware loads the firmware opened by - * spider_net_init_firmware into the adapter. + * spider_net_download_firmware loads the firmware data into the + * adapter. It assumes the length etc. to be allright. */ -static void +static int spider_net_download_firmware(struct spider_net_card *card, - const struct firmware *firmware) + u8 *firmware_ptr) { int sequencer, i; - u32 *fw_ptr = (u32 *)firmware->data; + u32 *fw_ptr = (u32 *)firmware_ptr; /* stop sequencers */ spider_net_write_reg(card, SPIDER_NET_GSINIT, SPIDER_NET_STOP_SEQ_VALUE); - for (sequencer = 0; sequencer < 6; sequencer++) { + for (sequencer = 0; sequencer < SPIDER_NET_FIRMWARE_SEQS; + sequencer++) { spider_net_write_reg(card, SPIDER_NET_GSnPRGADR + sequencer * 8, 0); - for (i = 0; i < SPIDER_NET_FIRMWARE_LEN; i++) { + for (i = 0; i < SPIDER_NET_FIRMWARE_SEQWORDS; i++) { spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT + sequencer * 8, *fw_ptr); fw_ptr++; } } + if (spider_net_read_reg(card, SPIDER_NET_GSINIT)) + return -EIO; + spider_net_write_reg(card, SPIDER_NET_GSINIT, SPIDER_NET_RUN_SEQ_VALUE); + + return 0; } /** @@ -1890,31 +1877,53 @@ spider_net_download_firmware(struct spider_net_card *card, static int spider_net_init_firmware(struct spider_net_card *card) { - const struct firmware *firmware; - int err = -EIO; + struct firmware *firmware = NULL; + struct device_node *dn; + u8 *fw_prop = NULL; + int err = -ENOENT; + int fw_size; + + if (request_firmware((const struct firmware **)&firmware, + SPIDER_NET_FIRMWARE_NAME, &card->pdev->dev) == 0) { + if ( (firmware->size != SPIDER_NET_FIRMWARE_LEN) && + netif_msg_probe(card) ) { + pr_err("Incorrect size of spidernet firmware in " \ + "filesystem. Looking in host firmware...\n"); + goto try_host_fw; + } + err = spider_net_download_firmware(card, firmware->data); - if (request_firmware(&firmware, - SPIDER_NET_FIRMWARE_NAME, &card->pdev->dev) < 0) { - if (netif_msg_probe(card)) - pr_err("Couldn't read in sequencer data file %s.\n", - SPIDER_NET_FIRMWARE_NAME); - firmware = NULL; - goto out; - } + release_firmware(firmware); + if (err) + goto try_host_fw; - if (firmware->size != 6 * SPIDER_NET_FIRMWARE_LEN * sizeof(u32)) { - if (netif_msg_probe(card)) - pr_err("Invalid size of sequencer data file %s.\n", - SPIDER_NET_FIRMWARE_NAME); - goto out; + goto done; } - spider_net_download_firmware(card, firmware); +try_host_fw: + dn = pci_device_to_OF_node(card->pdev); + if (!dn) + goto out_err; - err = 0; -out: - release_firmware(firmware); + fw_prop = (u8 *)get_property(dn, "firmware", &fw_size); + if (!fw_prop) + goto out_err; + + if ( (fw_size != SPIDER_NET_FIRMWARE_LEN) && + netif_msg_probe(card) ) { + pr_err("Incorrect size of spidernet firmware in " \ + "host firmware\n"); + goto done; + } + err = spider_net_download_firmware(card, fw_prop); + +done: + return err; +out_err: + if (netif_msg_probe(card)) + pr_err("Couldn't find spidernet firmware in filesystem " \ + "or host firmware\n"); return err; } @@ -1934,10 +1943,11 @@ spider_net_workaround_rxramfull(struct spider_net_card *card) SPIDER_NET_CKRCTRL_RUN_VALUE); /* empty sequencer data */ - for (sequencer = 0; sequencer < 6; sequencer++) { + for (sequencer = 0; sequencer < SPIDER_NET_FIRMWARE_SEQS; + sequencer++) { spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT + sequencer * 8, 0x0); - for (i = 0; i < SPIDER_NET_FIRMWARE_LEN; i++) { + for (i = 0; i < SPIDER_NET_FIRMWARE_SEQWORDS; i++) { spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT + sequencer * 8, 0x0); } @@ -2061,7 +2071,15 @@ spider_net_setup_netdev(struct spider_net_card *card) SET_NETDEV_DEV(netdev, &card->pdev->dev); pci_set_drvdata(card->pdev, netdev); - spin_lock_init(&card->intmask_lock); + + atomic_set(&card->tx_chain_release,0); + card->rxram_full_tl.data = (unsigned long) card; + card->rxram_full_tl.func = + (void (*)(unsigned long)) spider_net_handle_rxram_full; + init_timer(&card->tx_timer); + card->tx_timer.function = + (void (*)(unsigned long)) spider_net_cleanup_tx_ring; + card->tx_timer.data = (unsigned long) card; netdev->irq = card->pdev->irq; card->options.rx_csum = SPIDER_NET_RX_CSUM_DEFAULT; diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h index 22b2f234735..5922b529a04 100644 --- a/drivers/net/spider_net.h +++ b/drivers/net/spider_net.h @@ -33,25 +33,32 @@ extern struct ethtool_ops spider_net_ethtool_ops; extern char spider_net_driver_name[]; -#define SPIDER_NET_MAX_MTU 2308 +#define SPIDER_NET_MAX_FRAME 2312 +#define SPIDER_NET_MAX_MTU 2294 #define SPIDER_NET_MIN_MTU 64 #define SPIDER_NET_RXBUF_ALIGN 128 -#define SPIDER_NET_RX_DESCRIPTORS_DEFAULT 64 +#define SPIDER_NET_RX_DESCRIPTORS_DEFAULT 256 #define SPIDER_NET_RX_DESCRIPTORS_MIN 16 -#define SPIDER_NET_RX_DESCRIPTORS_MAX 256 +#define SPIDER_NET_RX_DESCRIPTORS_MAX 512 -#define SPIDER_NET_TX_DESCRIPTORS_DEFAULT 64 +#define SPIDER_NET_TX_DESCRIPTORS_DEFAULT 256 #define SPIDER_NET_TX_DESCRIPTORS_MIN 16 -#define SPIDER_NET_TX_DESCRIPTORS_MAX 256 +#define SPIDER_NET_TX_DESCRIPTORS_MAX 512 + +#define SPIDER_NET_TX_TIMER 20 #define SPIDER_NET_RX_CSUM_DEFAULT 1 -#define SPIDER_NET_WATCHDOG_TIMEOUT 5*HZ -#define SPIDER_NET_NAPI_WEIGHT 64 +#define SPIDER_NET_WATCHDOG_TIMEOUT 50*HZ +#define SPIDER_NET_NAPI_WEIGHT 64 -#define SPIDER_NET_FIRMWARE_LEN 1024 +#define SPIDER_NET_FIRMWARE_SEQS 6 +#define SPIDER_NET_FIRMWARE_SEQWORDS 1024 +#define SPIDER_NET_FIRMWARE_LEN (SPIDER_NET_FIRMWARE_SEQS * \ + SPIDER_NET_FIRMWARE_SEQWORDS * \ + sizeof(u32)) #define SPIDER_NET_FIRMWARE_NAME "spider_fw.bin" /** spider_net SMMIO registers */ @@ -142,14 +149,12 @@ extern char spider_net_driver_name[]; /** SCONFIG registers */ #define SPIDER_NET_SCONFIG_IOACTE 0x00002810 -/** hardcoded register values */ -#define SPIDER_NET_INT0_MASK_VALUE 0x3f7fe3ff -#define SPIDER_NET_INT1_MASK_VALUE 0xffffffff +/** interrupt mask registers */ +#define SPIDER_NET_INT0_MASK_VALUE 0x3f7fe2c7 +#define SPIDER_NET_INT1_MASK_VALUE 0xffff7ff7 /* no MAC aborts -> auto retransmission */ -#define SPIDER_NET_INT2_MASK_VALUE 0xfffffff1 +#define SPIDER_NET_INT2_MASK_VALUE 0xffef7ff1 -/* clear counter when interrupt sources are cleared -#define SPIDER_NET_FRAMENUM_VALUE 0x0001f001 */ /* we rely on flagged descriptor interrupts */ #define SPIDER_NET_FRAMENUM_VALUE 0x00000000 /* set this first, then the FRAMENUM_VALUE */ @@ -168,7 +173,7 @@ extern char spider_net_driver_name[]; #if 0 #define SPIDER_NET_WOL_VALUE 0x00000000 #endif -#define SPIDER_NET_IPSECINIT_VALUE 0x00f000f8 +#define SPIDER_NET_IPSECINIT_VALUE 0x6f716f71 /* pause frames: automatic, no upper retransmission count */ /* outside loopback mode: ETOMOD signal dont matter, not connected */ @@ -318,6 +323,10 @@ enum spider_net_int2_status { #define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) | \ (1 << SPIDER_NET_GRMFLLINT) ) +#define SPIDER_NET_ERRINT ( 0xffffffff & \ + (~SPIDER_NET_TXINT) & \ + (~SPIDER_NET_RXINT) ) + #define SPIDER_NET_GPREXEC 0x80000000 #define SPIDER_NET_GPRDAT_MASK 0x0000ffff @@ -358,9 +367,6 @@ enum spider_net_int2_status { /* descr ready, descr is in middle of chain, get interrupt on completion */ #define SPIDER_NET_DMAC_RX_CARDOWNED 0xa0800000 -/* multicast is no problem */ -#define SPIDER_NET_DATA_ERROR_MASK 0xffffbfff - enum spider_net_descr_status { SPIDER_NET_DESCR_COMPLETE = 0x00, /* used in rx and tx */ SPIDER_NET_DESCR_RESPONSE_ERROR = 0x01, /* used in rx and tx */ @@ -373,9 +379,9 @@ enum spider_net_descr_status { struct spider_net_descr { /* as defined by the hardware */ - dma_addr_t buf_addr; + u32 buf_addr; u32 buf_size; - dma_addr_t next_descr_addr; + u32 next_descr_addr; u32 dmac_cmd_status; u32 result_size; u32 valid_size; /* all zeroes for tx */ @@ -384,7 +390,7 @@ struct spider_net_descr { /* used in the driver */ struct sk_buff *skb; - dma_addr_t bus_addr; + u32 bus_addr; struct spider_net_descr *next; struct spider_net_descr *prev; } __attribute__((aligned(32))); @@ -396,21 +402,21 @@ struct spider_net_descr_chain { }; /* descriptor data_status bits */ -#define SPIDER_NET_RXIPCHK 29 -#define SPIDER_NET_TCPUDPIPCHK 28 -#define SPIDER_NET_DATA_STATUS_CHK_MASK (1 << SPIDER_NET_RXIPCHK | \ - 1 << SPIDER_NET_TCPUDPIPCHK) - +#define SPIDER_NET_RX_IPCHK 29 +#define SPIDER_NET_RX_TCPCHK 28 #define SPIDER_NET_VLAN_PACKET 21 +#define SPIDER_NET_DATA_STATUS_CKSUM_MASK ( (1 << SPIDER_NET_RX_IPCHK) | \ + (1 << SPIDER_NET_RX_TCPCHK) ) /* descriptor data_error bits */ -#define SPIDER_NET_RXIPCHKERR 27 -#define SPIDER_NET_RXTCPCHKERR 26 -#define SPIDER_NET_DATA_ERROR_CHK_MASK (1 << SPIDER_NET_RXIPCHKERR | \ - 1 << SPIDER_NET_RXTCPCHKERR) +#define SPIDER_NET_RX_IPCHKERR 27 +#define SPIDER_NET_RX_RXTCPCHKERR 28 + +#define SPIDER_NET_DATA_ERR_CKSUM_MASK (1 << SPIDER_NET_RX_IPCHKERR) -/* the cases we don't pass the packet to the stack */ -#define SPIDER_NET_DESTROY_RX_FLAGS 0x70138000 +/* the cases we don't pass the packet to the stack. + * 701b8000 would be correct, but every packets gets that flag */ +#define SPIDER_NET_DESTROY_RX_FLAGS 0x700b8000 #define SPIDER_NET_DESCR_SIZE 32 @@ -445,13 +451,16 @@ struct spider_net_card { struct spider_net_descr_chain tx_chain; struct spider_net_descr_chain rx_chain; - spinlock_t chain_lock; + atomic_t rx_chain_refill; + atomic_t tx_chain_release; struct net_device_stats netdev_stats; struct spider_net_options options; spinlock_t intmask_lock; + struct tasklet_struct rxram_full_tl; + struct timer_list tx_timer; struct work_struct tx_timeout_task; atomic_t tx_timeout_task_counter; diff --git a/drivers/net/spider_net_ethtool.c b/drivers/net/spider_net_ethtool.c index d42e60ba74c..a5bb0b7633a 100644 --- a/drivers/net/spider_net_ethtool.c +++ b/drivers/net/spider_net_ethtool.c @@ -113,6 +113,23 @@ spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n) return 0; } +static uint32_t +spider_net_ethtool_get_tx_csum(struct net_device *netdev) +{ + return (netdev->features & NETIF_F_HW_CSUM) != 0; +} + +static int +spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data) +{ + if (data) + netdev->features |= NETIF_F_HW_CSUM; + else + netdev->features &= ~NETIF_F_HW_CSUM; + + return 0; +} + struct ethtool_ops spider_net_ethtool_ops = { .get_settings = spider_net_ethtool_get_settings, .get_drvinfo = spider_net_ethtool_get_drvinfo, @@ -122,5 +139,7 @@ struct ethtool_ops spider_net_ethtool_ops = { .nway_reset = spider_net_ethtool_nway_reset, .get_rx_csum = spider_net_ethtool_get_rx_csum, .set_rx_csum = spider_net_ethtool_set_rx_csum, + .get_tx_csum = spider_net_ethtool_get_tx_csum, + .set_tx_csum = spider_net_ethtool_set_tx_csum, }; diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c index 5c8fcd40ef4..01bdb233405 100644 --- a/drivers/net/sun3lance.c +++ b/drivers/net/sun3lance.c @@ -389,7 +389,7 @@ static int __init lance_probe( struct net_device *dev) dev->stop = &lance_close; dev->get_stats = &lance_get_stats; dev->set_multicast_list = &set_multicast_list; - dev->set_mac_address = 0; + dev->set_mac_address = NULL; // KLUDGE -- REMOVE ME set_bit(__LINK_STATE_PRESENT, &dev->state); diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 081717d0137..28ce47a0240 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -2907,7 +2907,7 @@ static int __devinit gem_get_device_address(struct gem *gp) return 0; } -static void __devexit gem_remove_one(struct pci_dev *pdev) +static void gem_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); @@ -3181,7 +3181,7 @@ static struct pci_driver gem_driver = { .name = GEM_MODULE_NAME, .id_table = gem_pci_tbl, .probe = gem_init_one, - .remove = __devexit_p(gem_remove_one), + .remove = gem_remove_one, #ifdef CONFIG_PM .suspend = gem_suspend, .resume = gem_resume, diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 1828a6bf845..f2d1dafde08 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -24,6 +24,7 @@ #include <linux/compiler.h> #include <linux/slab.h> #include <linux/delay.h> +#include <linux/in.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/pci.h> @@ -68,8 +69,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.43" -#define DRV_MODULE_RELDATE "Oct 24, 2005" +#define DRV_MODULE_VERSION "3.48" +#define DRV_MODULE_RELDATE "Jan 16, 2006" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -341,6 +342,16 @@ static struct { { "interrupt test (offline)" }, }; +static void tg3_write32(struct tg3 *tp, u32 off, u32 val) +{ + writel(val, tp->regs + off); +} + +static u32 tg3_read32(struct tg3 *tp, u32 off) +{ + return (readl(tp->regs + off)); +} + static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val) { unsigned long flags; @@ -411,13 +422,29 @@ static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off) return val; } -static void _tw32_flush(struct tg3 *tp, u32 off, u32 val) +/* usec_wait specifies the wait time in usec when writing to certain registers + * where it is unsafe to read back the register without some delay. + * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power. + * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed. + */ +static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait) { - tp->write32(tp, off, val); - if (!(tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) && - !(tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG) && - !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND)) - tp->read32(tp, off); /* flush */ + if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) || + (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND)) + /* Non-posted methods */ + tp->write32(tp, off, val); + else { + /* Posted method */ + tg3_write32(tp, off, val); + if (usec_wait) + udelay(usec_wait); + tp->read32(tp, off); + } + /* Wait again after the read for the posted method to guarantee that + * the wait time is met. + */ + if (usec_wait) + udelay(usec_wait); } static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val) @@ -438,16 +465,6 @@ static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val) readl(mbox); } -static void tg3_write32(struct tg3 *tp, u32 off, u32 val) -{ - writel(val, tp->regs + off); -} - -static u32 tg3_read32(struct tg3 *tp, u32 off) -{ - return (readl(tp->regs + off)); -} - #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val) #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val)) #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val) @@ -455,7 +472,8 @@ static u32 tg3_read32(struct tg3 *tp, u32 off) #define tr32_mailbox(reg) tp->read32_mbox(tp, reg) #define tw32(reg,val) tp->write32(tp, reg, val) -#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val)) +#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0) +#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us)) #define tr32(reg) tp->read32(tp, reg) static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val) @@ -595,21 +613,19 @@ static void tg3_switch_clocks(struct tg3 *tp) if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) { if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) { - tw32_f(TG3PCI_CLOCK_CTRL, - clock_ctrl | CLOCK_CTRL_625_CORE); - udelay(40); + tw32_wait_f(TG3PCI_CLOCK_CTRL, + clock_ctrl | CLOCK_CTRL_625_CORE, 40); } } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) { - tw32_f(TG3PCI_CLOCK_CTRL, - clock_ctrl | - (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK)); - udelay(40); - tw32_f(TG3PCI_CLOCK_CTRL, - clock_ctrl | (CLOCK_CTRL_ALTCLK)); - udelay(40); + tw32_wait_f(TG3PCI_CLOCK_CTRL, + clock_ctrl | + (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK), + 40); + tw32_wait_f(TG3PCI_CLOCK_CTRL, + clock_ctrl | (CLOCK_CTRL_ALTCLK), + 40); } - tw32_f(TG3PCI_CLOCK_CTRL, clock_ctrl); - udelay(40); + tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40); } #define PHY_BUSY_LOOPS 5000 @@ -1017,37 +1033,50 @@ static void tg3_frob_aux_power(struct tg3 *tp) if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0) return; - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { - tp_peer = pci_get_drvdata(tp->pdev_peer); - if (!tp_peer) + if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) || + (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) { + struct net_device *dev_peer; + + dev_peer = pci_get_drvdata(tp->pdev_peer); + if (!dev_peer) BUG(); + tp_peer = netdev_priv(dev_peer); } - if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 || - (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0) { + (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 || + (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 || + (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) { if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) { - tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | - (GRC_LCLCTRL_GPIO_OE0 | - GRC_LCLCTRL_GPIO_OE1 | - GRC_LCLCTRL_GPIO_OE2 | - GRC_LCLCTRL_GPIO_OUTPUT0 | - GRC_LCLCTRL_GPIO_OUTPUT1)); - udelay(100); + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | + (GRC_LCLCTRL_GPIO_OE0 | + GRC_LCLCTRL_GPIO_OE1 | + GRC_LCLCTRL_GPIO_OE2 | + GRC_LCLCTRL_GPIO_OUTPUT0 | + GRC_LCLCTRL_GPIO_OUTPUT1), + 100); } else { u32 no_gpio2; - u32 grc_local_ctrl; + u32 grc_local_ctrl = 0; if (tp_peer != tp && (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0) return; + /* Workaround to prevent overdrawing Amps. */ + if (GET_ASIC_REV(tp->pci_chip_rev_id) == + ASIC_REV_5714) { + grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3; + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | + grc_local_ctrl, 100); + } + /* On 5753 and variants, GPIO2 cannot be used. */ no_gpio2 = tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_NO_GPIO2; - grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 | + grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 | GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT1 | @@ -1056,21 +1085,18 @@ static void tg3_frob_aux_power(struct tg3 *tp) grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT2); } - tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | - grc_local_ctrl); - udelay(100); + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | + grc_local_ctrl, 100); grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0; - tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | - grc_local_ctrl); - udelay(100); + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | + grc_local_ctrl, 100); if (!no_gpio2) { grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2; - tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | - grc_local_ctrl); - udelay(100); + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | + grc_local_ctrl, 100); } } } else { @@ -1080,19 +1106,16 @@ static void tg3_frob_aux_power(struct tg3 *tp) (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0) return; - tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | - (GRC_LCLCTRL_GPIO_OE1 | - GRC_LCLCTRL_GPIO_OUTPUT1)); - udelay(100); + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | + (GRC_LCLCTRL_GPIO_OE1 | + GRC_LCLCTRL_GPIO_OUTPUT1), 100); - tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | - (GRC_LCLCTRL_GPIO_OE1)); - udelay(100); + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | + GRC_LCLCTRL_GPIO_OE1, 100); - tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | - (GRC_LCLCTRL_GPIO_OE1 | - GRC_LCLCTRL_GPIO_OUTPUT1)); - udelay(100); + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | + (GRC_LCLCTRL_GPIO_OE1 | + GRC_LCLCTRL_GPIO_OUTPUT1), 100); } } } @@ -1105,6 +1128,8 @@ static int tg3_setup_phy(struct tg3 *, int); static void tg3_write_sig_post_reset(struct tg3 *, int); static int tg3_halt_cpu(struct tg3 *, u32); +static int tg3_nvram_lock(struct tg3 *); +static void tg3_nvram_unlock(struct tg3 *); static int tg3_set_power_state(struct tg3 *tp, int state) { @@ -1133,10 +1158,8 @@ static int tg3_set_power_state(struct tg3 *tp, int state) udelay(100); /* Delay after power state change */ /* Switch out of Vaux if it is not a LOM */ - if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)) { - tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl); - udelay(100); - } + if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)) + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100); return 0; @@ -1179,6 +1202,21 @@ static int tg3_set_power_state(struct tg3 *tp, int state) tg3_setup_phy(tp, 0); } + if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) { + int i; + u32 val; + + for (i = 0; i < 200; i++) { + tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val); + if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1) + break; + msleep(1); + } + } + tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE | + WOL_DRV_STATE_SHUTDOWN | + WOL_DRV_WOL | WOL_SET_MAGIC_PKT); + pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps); if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) { @@ -1220,10 +1258,8 @@ static int tg3_set_power_state(struct tg3 *tp, int state) base_val |= (CLOCK_CTRL_RXCLK_DISABLE | CLOCK_CTRL_TXCLK_DISABLE); - tw32_f(TG3PCI_CLOCK_CTRL, base_val | - CLOCK_CTRL_ALTCLK | - CLOCK_CTRL_PWRDOWN_PLL133); - udelay(40); + tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK | + CLOCK_CTRL_PWRDOWN_PLL133, 40); } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) { /* do nothing */ } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) && @@ -1244,11 +1280,11 @@ static int tg3_set_power_state(struct tg3 *tp, int state) newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE; } - tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1); - udelay(40); + tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1, + 40); - tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2); - udelay(40); + tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2, + 40); if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) { u32 newbits3; @@ -1262,9 +1298,20 @@ static int tg3_set_power_state(struct tg3 *tp, int state) newbits3 = CLOCK_CTRL_44MHZ_CORE; } - tw32_f(TG3PCI_CLOCK_CTRL, - tp->pci_clock_ctrl | newbits3); - udelay(40); + tw32_wait_f(TG3PCI_CLOCK_CTRL, + tp->pci_clock_ctrl | newbits3, 40); + } + } + + if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) && + !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) { + /* Turn off the PHY */ + if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) { + tg3_writephy(tp, MII_TG3_EXT_CTRL, + MII_TG3_EXT_CTRL_FORCE_LED_OFF); + tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2); + if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) + tg3_writephy(tp, MII_BMCR, BMCR_PDOWN); } } @@ -1277,8 +1324,14 @@ static int tg3_set_power_state(struct tg3 *tp, int state) val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1); tw32(0x7d00, val); - if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) + if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) { + int err; + + err = tg3_nvram_lock(tp); tg3_halt_cpu(tp, RX_CPU_BASE); + if (!err) + tg3_nvram_unlock(tp); + } } /* Finally, set the new power state. */ @@ -1812,7 +1865,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset) } } relink: - if (current_link_up == 0) { + if (current_link_up == 0 || tp->link_config.phy_is_low_power) { u32 tmp; tg3_phy_copper_begin(tp); @@ -3565,12 +3618,15 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) if (!spin_trylock(&tp->tx_lock)) return NETDEV_TX_LOCKED; - /* This is a hard error, log it. */ if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) { - netif_stop_queue(dev); + if (!netif_queue_stopped(dev)) { + netif_stop_queue(dev); + + /* This is a hard error, log it. */ + printk(KERN_ERR PFX "%s: BUG! Tx Ring full when " + "queue awake!\n", dev->name); + } spin_unlock(&tp->tx_lock); - printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n", - dev->name); return NETDEV_TX_BUSY; } @@ -3597,7 +3653,7 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) TXD_FLAG_CPU_POST_DMA); skb->nh.iph->check = 0; - skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len); + skb->nh.iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len); if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) { skb->h.th->check = 0; base_flags &= ~TXD_FLAG_TCPUDP_CSUM; @@ -4139,14 +4195,19 @@ static int tg3_nvram_lock(struct tg3 *tp) if (tp->tg3_flags & TG3_FLAG_NVRAM) { int i; - tw32(NVRAM_SWARB, SWARB_REQ_SET1); - for (i = 0; i < 8000; i++) { - if (tr32(NVRAM_SWARB) & SWARB_GNT1) - break; - udelay(20); + if (tp->nvram_lock_cnt == 0) { + tw32(NVRAM_SWARB, SWARB_REQ_SET1); + for (i = 0; i < 8000; i++) { + if (tr32(NVRAM_SWARB) & SWARB_GNT1) + break; + udelay(20); + } + if (i == 8000) { + tw32(NVRAM_SWARB, SWARB_REQ_CLR1); + return -ENODEV; + } } - if (i == 8000) - return -ENODEV; + tp->nvram_lock_cnt++; } return 0; } @@ -4154,8 +4215,12 @@ static int tg3_nvram_lock(struct tg3 *tp) /* tp->lock is held. */ static void tg3_nvram_unlock(struct tg3 *tp) { - if (tp->tg3_flags & TG3_FLAG_NVRAM) - tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1); + if (tp->tg3_flags & TG3_FLAG_NVRAM) { + if (tp->nvram_lock_cnt > 0) + tp->nvram_lock_cnt--; + if (tp->nvram_lock_cnt == 0) + tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1); + } } /* tp->lock is held. */ @@ -4266,8 +4331,13 @@ static int tg3_chip_reset(struct tg3 *tp) void (*write_op)(struct tg3 *, u32, u32); int i; - if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) + if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) { tg3_nvram_lock(tp); + /* No matching tg3_nvram_unlock() after this because + * chip reset below will undo the nvram lock. + */ + tp->nvram_lock_cnt = 0; + } /* * We must avoid the readl() that normally takes place. @@ -4663,6 +4733,10 @@ static int tg3_halt_cpu(struct tg3 *tp, u32 offset) (offset == RX_CPU_BASE ? "RX" : "TX")); return -ENODEV; } + + /* Clear firmware's nvram arbitration. */ + if (tp->tg3_flags & TG3_FLAG_NVRAM) + tw32(NVRAM_SWARB, SWARB_REQ_CLR0); return 0; } @@ -4682,7 +4756,7 @@ struct fw_info { static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base, int cpu_scratch_size, struct fw_info *info) { - int err, i; + int err, lock_err, i; void (*write_op)(struct tg3 *, u32, u32); if (cpu_base == TX_CPU_BASE && @@ -4701,9 +4775,10 @@ static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_b /* It is possible that bootcode is still loading at this point. * Get the nvram lock first before halting the cpu. */ - tg3_nvram_lock(tp); + lock_err = tg3_nvram_lock(tp); err = tg3_halt_cpu(tp, cpu_base); - tg3_nvram_unlock(tp); + if (!lock_err) + tg3_nvram_unlock(tp); if (err) goto out; @@ -7098,8 +7173,13 @@ do { p = (u32 *)(orig_p + (reg)); \ GET_REG32_LOOP(BUFMGR_MODE, 0x58); GET_REG32_LOOP(RDMAC_MODE, 0x08); GET_REG32_LOOP(WDMAC_MODE, 0x08); - GET_REG32_LOOP(RX_CPU_BASE, 0x280); - GET_REG32_LOOP(TX_CPU_BASE, 0x280); + GET_REG32_1(RX_CPU_MODE); + GET_REG32_1(RX_CPU_STATE); + GET_REG32_1(RX_CPU_PGMCTR); + GET_REG32_1(RX_CPU_HWBKPT); + GET_REG32_1(TX_CPU_MODE); + GET_REG32_1(TX_CPU_STATE); + GET_REG32_1(TX_CPU_PGMCTR); GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110); GET_REG32_LOOP(FTQ_RESET, 0x120); GET_REG32_LOOP(MSGINT_MODE, 0x0c); @@ -7922,13 +8002,12 @@ static int tg3_test_memory(struct tg3 *tp) u32 offset; u32 len; } mem_tbl_570x[] = { - { 0x00000000, 0x01000}, + { 0x00000000, 0x00b50}, { 0x00002000, 0x1c000}, { 0xffffffff, 0x00000} }, mem_tbl_5705[] = { { 0x00000100, 0x0000c}, { 0x00000200, 0x00008}, - { 0x00000b50, 0x00400}, { 0x00004000, 0x00800}, { 0x00006000, 0x01000}, { 0x00008000, 0x02000}, @@ -8124,7 +8203,7 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, data[1] = 1; } if (etest->flags & ETH_TEST_FL_OFFLINE) { - int irq_sync = 0; + int err, irq_sync = 0; if (netif_running(dev)) { tg3_netif_stop(tp); @@ -8134,11 +8213,12 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, tg3_full_lock(tp, irq_sync); tg3_halt(tp, RESET_KIND_SUSPEND, 1); - tg3_nvram_lock(tp); + err = tg3_nvram_lock(tp); tg3_halt_cpu(tp, RX_CPU_BASE); if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) tg3_halt_cpu(tp, TX_CPU_BASE); - tg3_nvram_unlock(tp); + if (!err) + tg3_nvram_unlock(tp); if (tg3_test_registers(tp) != 0) { etest->flags |= ETH_TEST_FL_FAILED; @@ -8530,6 +8610,11 @@ static void __devinit tg3_nvram_init(struct tg3 *tp) GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) { tp->tg3_flags |= TG3_FLAG_NVRAM; + if (tg3_nvram_lock(tp)) { + printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, " + "tg3_nvram_init failed.\n", tp->dev->name); + return; + } tg3_enable_nvram_access(tp); if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) @@ -8540,6 +8625,7 @@ static void __devinit tg3_nvram_init(struct tg3 *tp) tg3_get_nvram_size(tp); tg3_disable_nvram_access(tp); + tg3_nvram_unlock(tp); } else { tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED); @@ -8626,7 +8712,9 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val) if (offset > NVRAM_ADDR_MSK) return -EINVAL; - tg3_nvram_lock(tp); + ret = tg3_nvram_lock(tp); + if (ret) + return ret; tg3_enable_nvram_access(tp); @@ -8637,10 +8725,10 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val) if (ret == 0) *val = swab32(tr32(NVRAM_RDDATA)); - tg3_nvram_unlock(tp); - tg3_disable_nvram_access(tp); + tg3_nvram_unlock(tp); + return ret; } @@ -8861,7 +8949,9 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf) else { u32 grc_mode; - tg3_nvram_lock(tp); + ret = tg3_nvram_lock(tp); + if (ret) + return ret; tg3_enable_nvram_access(tp); if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) && @@ -10423,7 +10513,7 @@ static char * __devinit tg3_bus_string(struct tg3 *tp, char *str) return str; } -static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp) +static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp) { struct pci_dev *peer; unsigned int func, devnr = tp->pdev->devfn & ~7; @@ -10434,8 +10524,13 @@ static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp) break; pci_dev_put(peer); } - if (!peer || peer == tp->pdev) - BUG(); + /* 5704 can be configured in single-port mode, set peer to + * tp->pdev in that case. + */ + if (!peer) { + peer = tp->pdev; + return peer; + } /* * We don't need to keep the refcount elevated; there's no way @@ -10671,8 +10766,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, tp->rx_pending = 63; } - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) - tp->pdev_peer = tg3_find_5704_peer(tp); + if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) || + (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) + tp->pdev_peer = tg3_find_peer(tp); err = tg3_get_device_address(tp); if (err) { @@ -10817,12 +10913,14 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state) tg3_full_lock(tp, 0); tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); + tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE; tg3_full_unlock(tp); err = tg3_set_power_state(tp, pci_choose_state(pdev, state)); if (err) { tg3_full_lock(tp, 0); + tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE; tg3_init_hw(tp); tp->timer.expires = jiffies + tp->timer_offset; @@ -10856,6 +10954,7 @@ static int tg3_resume(struct pci_dev *pdev) tg3_full_lock(tp, 0); + tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE; tg3_init_hw(tp); tp->timer.expires = jiffies + tp->timer_offset; diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index fb7e2a5f4a0..e8243305f0e 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -1124,7 +1124,14 @@ /* 0x280 --> 0x400 unused */ #define RX_CPU_BASE 0x00005000 +#define RX_CPU_MODE 0x00005000 +#define RX_CPU_STATE 0x00005004 +#define RX_CPU_PGMCTR 0x0000501c +#define RX_CPU_HWBKPT 0x00005034 #define TX_CPU_BASE 0x00005400 +#define TX_CPU_MODE 0x00005400 +#define TX_CPU_STATE 0x00005404 +#define TX_CPU_PGMCTR 0x0000541c /* Mailboxes */ #define GRCMBOX_INTERRUPT_0 0x00005800 /* 64-bit */ @@ -1529,6 +1536,12 @@ #define NIC_SRAM_MAC_ADDR_HIGH_MBOX 0x00000c14 #define NIC_SRAM_MAC_ADDR_LOW_MBOX 0x00000c18 +#define NIC_SRAM_WOL_MBOX 0x00000d30 +#define WOL_SIGNATURE 0x474c0000 +#define WOL_DRV_STATE_SHUTDOWN 0x00000001 +#define WOL_DRV_WOL 0x00000002 +#define WOL_SET_MAGIC_PKT 0x00000004 + #define NIC_SRAM_DATA_CFG_2 0x00000d38 #define SHASTA_EXT_LED_MODE_MASK 0x00018000 @@ -1565,6 +1578,7 @@ #define MII_TG3_EXT_CTRL 0x10 /* Extended control register */ #define MII_TG3_EXT_CTRL_FIFO_ELASTIC 0x0001 #define MII_TG3_EXT_CTRL_LNK3_LED_MODE 0x0002 +#define MII_TG3_EXT_CTRL_FORCE_LED_OFF 0x0008 #define MII_TG3_EXT_CTRL_TBI 0x8000 #define MII_TG3_EXT_STAT 0x11 /* Extended status register */ @@ -2261,6 +2275,7 @@ struct tg3 { dma_addr_t stats_mapping; struct work_struct reset_task; + int nvram_lock_cnt; u32 nvram_size; u32 nvram_pagesize; u32 nvram_jedecnum; diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c index 942fae0f213..c2506b56a18 100644 --- a/drivers/net/tlan.c +++ b/drivers/net/tlan.c @@ -2865,11 +2865,11 @@ void TLan_PhyMonitor( struct net_device *dev ) * for this device. * phy The address of the PHY to be queried. * reg The register whose contents are to be - * retreived. + * retrieved. * val A pointer to a variable to store the * retrieved value. * - * This function uses the TLAN's MII bus to retreive the contents + * This function uses the TLAN's MII bus to retrieve the contents * of a given register on a PHY. It sends the appropriate info * and then reads the 16-bit register value from the MII bus via * the TLAN SIO register. diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index 125ed00e95a..c67c91251d0 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -1564,7 +1564,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev, dev->dev_addr, 6); } #endif -#if defined(__i386__) /* Patch up x86 BIOS bug. */ +#if defined(__i386__) || defined(__x86_64__) /* Patch up x86 BIOS bug. */ if (last_irq) irq = last_irq; #endif diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c index 1a431633625..98398166680 100644 --- a/drivers/net/tulip/uli526x.c +++ b/drivers/net/tulip/uli526x.c @@ -1689,9 +1689,9 @@ MODULE_AUTHOR("Peer Chen, peer.chen@uli.com.tw"); MODULE_DESCRIPTION("ULi M5261/M5263 fast ethernet driver"); MODULE_LICENSE("GPL"); -MODULE_PARM(debug, "i"); -MODULE_PARM(mode, "i"); -MODULE_PARM(cr6set, "i"); +module_param(debug, int, 0644); +module_param(mode, int, 0); +module_param(cr6set, int, 0); MODULE_PARM_DESC(debug, "ULi M5261/M5263 enable debugging (0-1)"); MODULE_PARM_DESC(mode, "ULi M5261/M5263: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA"); diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index 82c6b757d30..c2d5907dc8e 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -791,7 +791,7 @@ static int __devinit velocity_found1(struct pci_dev *pdev, const struct pci_devi #endif if (vptr->flags & VELOCITY_FLAGS_TX_CSUM) { - dev->features |= NETIF_F_HW_CSUM; + dev->features |= NETIF_F_IP_CSUM; } ret = register_netdev(dev); diff --git a/drivers/net/wan/.gitignore b/drivers/net/wan/.gitignore new file mode 100644 index 00000000000..dae3ea6bb18 --- /dev/null +++ b/drivers/net/wan/.gitignore @@ -0,0 +1 @@ +wanxlfw.inc diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c index 2b948ea397d..40926d77916 100644 --- a/drivers/net/wan/lmc/lmc_main.c +++ b/drivers/net/wan/lmc/lmc_main.c @@ -641,7 +641,7 @@ static void lmc_watchdog (unsigned long data) /*fold00*/ spin_lock_irqsave(&sc->lmc_lock, flags); if(sc->check != 0xBEAFCAFE){ - printk("LMC: Corrupt net_device stuct, breaking out\n"); + printk("LMC: Corrupt net_device struct, breaking out\n"); spin_unlock_irqrestore(&sc->lmc_lock, flags); return; } diff --git a/drivers/net/wan/lmc/lmc_prot.h b/drivers/net/wan/lmc/lmc_prot.h deleted file mode 100644 index f3b1df9e2cd..00000000000 --- a/drivers/net/wan/lmc/lmc_prot.h +++ /dev/null @@ -1,15 +0,0 @@ -#ifndef _LMC_PROTO_H_ -#define _LMC_PROTO_H_ - -void lmc_proto_init(lmc_softc_t * const) -void lmc_proto_attach(lmc_softc_t *sc const) -void lmc_proto_detach(lmc_softc *sc const) -void lmc_proto_reopen(lmc_softc_t *sc const) -int lmc_proto_ioctl(lmc_softc_t *sc const, struct ifreq *ifr, int cmd) -void lmc_proto_open(lmc_softc_t *sc const) -void lmc_proto_close(lmc_softc_t *sc const) -unsigned short lmc_proto_type(lmc_softc_t *sc const, struct skbuff *skb) - - -#endif - diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c index 52f26b9c69d..931cbdf6d79 100644 --- a/drivers/net/wan/pc300_tty.c +++ b/drivers/net/wan/pc300_tty.c @@ -689,7 +689,7 @@ static void cpc_tty_rx_work(void * data) } } cpc_tty->buf_rx.first = cpc_tty->buf_rx.first->next; - kfree(buf); + kfree((void *)buf); buf = cpc_tty->buf_rx.first; flg_rx = 1; } diff --git a/drivers/net/wan/sdla.c b/drivers/net/wan/sdla.c index 036adc4f8ba..22e794071cf 100644 --- a/drivers/net/wan/sdla.c +++ b/drivers/net/wan/sdla.c @@ -329,9 +329,9 @@ static int sdla_cpuspeed(struct net_device *dev, struct ifreq *ifr) struct _dlci_stat { - short dlci __attribute__((packed)); - char flags __attribute__((packed)); -}; + short dlci; + char flags; +} __attribute__((packed)); struct _frad_stat { diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c index bdf672c4818..9c3ccc66914 100644 --- a/drivers/net/wan/x25_asy.c +++ b/drivers/net/wan/x25_asy.c @@ -515,11 +515,6 @@ static int x25_asy_close(struct net_device *dev) return 0; } -static int x25_asy_receive_room(struct tty_struct *tty) -{ - return 65536; /* We can handle an infinite amount of data. :-) */ -} - /* * Handle the 'receiver data ready' interrupt. * This function is called by the 'tty_io' module in the kernel when @@ -573,6 +568,7 @@ static int x25_asy_open_tty(struct tty_struct *tty) sl->tty = tty; tty->disc_data = sl; + tty->receive_room = 65536; if (tty->driver->flush_buffer) { tty->driver->flush_buffer(tty); } @@ -779,7 +775,6 @@ static struct tty_ldisc x25_ldisc = { .close = x25_asy_close_tty, .ioctl = x25_asy_ioctl, .receive_buf = x25_asy_receive_buf, - .receive_room = x25_asy_receive_room, .write_wakeup = x25_asy_write_wakeup, }; diff --git a/drivers/net/wd.c b/drivers/net/wd.c index b03feae459f..7caa8dc88a5 100644 --- a/drivers/net/wd.c +++ b/drivers/net/wd.c @@ -127,13 +127,6 @@ static int __init do_wd_probe(struct net_device *dev) return -ENODEV; } -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, dev); - release_region(dev->base_addr - WD_NIC_OFFSET, WD_IO_EXTENT); - iounmap(ei_status.mem); -} - #ifndef MODULE struct net_device * __init wd_probe(int unit) { @@ -538,6 +531,13 @@ init_module(void) return -ENXIO; } +static void cleanup_card(struct net_device *dev) +{ + free_irq(dev->irq, dev); + release_region(dev->base_addr - WD_NIC_OFFSET, WD_IO_EXTENT); + iounmap(ei_status.mem); +} + void cleanup_module(void) { diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 00e55165b76..233a4f60808 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -24,10 +24,6 @@ config NET_RADIO the tools from <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>. - Some user-level drivers for scarab devices which don't require - special kernel support are available from - <ftp://shadow.cabi.net/pub/Linux/>. - # Note : the cards are obsolete (can't buy them anymore), but the drivers # are not, as people are still using them... comment "Obsolete Wireless cards support (pre-802.11)" @@ -160,7 +156,7 @@ config IPW2100 <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>. If you want to compile the driver as a module ( = code which can be - inserted in and remvoed from the running kernel whenever you want), + inserted in and removed from the running kernel whenever you want), say M here and read <file:Documentation/modules.txt>. The module will be called ipw2100.ko. @@ -173,7 +169,7 @@ config IPW2100_MONITOR promiscuous mode via the Wireless Tool's Monitor mode. While in this mode, no packets can be sent. -config IPW_DEBUG +config IPW2100_DEBUG bool "Enable full debugging output in IPW2100 module." depends on IPW2100 ---help--- @@ -192,7 +188,7 @@ config IPW_DEBUG config IPW2200 tristate "Intel PRO/Wireless 2200BG and 2915ABG Network Connection" - depends on IEEE80211 && PCI + depends on NET_RADIO && IEEE80211 && PCI select FW_LOADER ---help--- A driver for the Intel PRO/Wireless 2200BG and 2915ABG Network @@ -213,11 +209,11 @@ config IPW2200 <http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html>. If you want to compile the driver as a module ( = code which can be - inserted in and remvoed from the running kernel whenever you want), + inserted in and removed from the running kernel whenever you want), say M here and read <file:Documentation/modules.txt>. The module will be called ipw2200.ko. -config IPW_DEBUG +config IPW2200_DEBUG bool "Enable full debugging output in IPW2200 module." depends on IPW2200 ---help--- @@ -243,7 +239,7 @@ config IPW_DEBUG config AIRO tristate "Cisco/Aironet 34X/35X/4500/4800 ISA and PCI cards" - depends on NET_RADIO && ISA_DMA_API && (PCI || BROKEN) + depends on NET_RADIO && ISA_DMA_API && CRYPTO && (PCI || BROKEN) ---help--- This is the standard Linux driver to support Cisco/Aironet ISA and PCI 802.11 wireless cards. diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 340ab4ee4b6..a4c7ae94614 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -2755,8 +2755,8 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, SET_NETDEV_DEV(dev, dmdev); - if (test_bit(FLAG_MPI,&ai->flags)) - reset_card (dev, 1); + reset_card (dev, 1); + msleep(400); rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev ); if (rc) { @@ -4037,7 +4037,7 @@ static int PC4500_writerid(struct airo_info *ai, u16 rid, Cmd cmd; Resp rsp; - if (test_bit(FLAG_ENABLED, &ai->flags)) + if (test_bit(FLAG_ENABLED, &ai->flags) && (RID_WEP_TEMP != rid)) printk(KERN_ERR "%s: MAC should be disabled (rid=%04x)\n", __FUNCTION__, rid); @@ -5093,9 +5093,9 @@ static int set_wep_key(struct airo_info *ai, u16 index, printk(KERN_INFO "Setting key %d\n", index); } - disable_MAC(ai, lock); + if (perm) disable_MAC(ai, lock); writeWepKeyRid(ai, &wkr, perm, lock); - enable_MAC(ai, &rsp, lock); + if (perm) enable_MAC(ai, &rsp, lock); return 0; } @@ -5668,13 +5668,13 @@ static int airo_set_freq(struct net_device *dev, int channel = fwrq->m; /* We should do a better check than that, * based on the card capability !!! */ - if((channel < 1) || (channel > 16)) { + if((channel < 1) || (channel > 14)) { printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m); rc = -EINVAL; } else { readConfigRid(local, 1); /* Yes ! We can set it !!! */ - local->config.channelSet = (u16)(channel - 1); + local->config.channelSet = (u16) channel; set_bit (FLAG_COMMIT, &local->flags); } } @@ -5692,6 +5692,7 @@ static int airo_get_freq(struct net_device *dev, { struct airo_info *local = dev->priv; StatusRid status_rid; /* Card status info */ + int ch; readConfigRid(local, 1); if ((local->config.opmode & 0xFF) == MODE_STA_ESS) @@ -5699,16 +5700,14 @@ static int airo_get_freq(struct net_device *dev, else readStatusRid(local, &status_rid, 1); -#ifdef WEXT_USECHANNELS - fwrq->m = ((int)status_rid.channel) + 1; - fwrq->e = 0; -#else - { - int f = (int)status_rid.channel; - fwrq->m = frequency_list[f] * 100000; + ch = (int)status_rid.channel; + if((ch > 0) && (ch < 15)) { + fwrq->m = frequency_list[ch - 1] * 100000; fwrq->e = 1; + } else { + fwrq->m = ch; + fwrq->e = 0; } -#endif return 0; } @@ -5783,7 +5782,7 @@ static int airo_get_essid(struct net_device *dev, /* If none, we may want to get the one that was set */ /* Push it out ! */ - dwrq->length = status_rid.SSIDlen + 1; + dwrq->length = status_rid.SSIDlen; dwrq->flags = 1; /* active */ return 0; @@ -6170,6 +6169,8 @@ static int airo_set_encode(struct net_device *dev, { struct airo_info *local = dev->priv; CapabilityRid cap_rid; /* Card capability info */ + int perm = ( dwrq->flags & IW_ENCODE_TEMP ? 0 : 1 ); + u16 currentAuthType = local->config.authType; /* Is WEP supported ? */ readCapabilityRid(local, &cap_rid, 1); @@ -6212,7 +6213,7 @@ static int airo_set_encode(struct net_device *dev, /* Copy the key in the driver */ memcpy(key.key, extra, dwrq->length); /* Send the key to the card */ - set_wep_key(local, index, key.key, key.len, 1, 1); + set_wep_key(local, index, key.key, key.len, perm, 1); } /* WE specify that if a valid key is set, encryption * should be enabled (user may turn it off later) @@ -6220,13 +6221,12 @@ static int airo_set_encode(struct net_device *dev, if((index == current_index) && (key.len > 0) && (local->config.authType == AUTH_OPEN)) { local->config.authType = AUTH_ENCRYPT; - set_bit (FLAG_COMMIT, &local->flags); } } else { /* Do we want to just set the transmit key index ? */ int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; if ((index >= 0) && (index < ((cap_rid.softCap & 0x80)?4:1))) { - set_wep_key(local, index, NULL, 0, 1, 1); + set_wep_key(local, index, NULL, 0, perm, 1); } else /* Don't complain if only change the mode */ if(!dwrq->flags & IW_ENCODE_MODE) { @@ -6241,7 +6241,7 @@ static int airo_set_encode(struct net_device *dev, if(dwrq->flags & IW_ENCODE_OPEN) local->config.authType = AUTH_ENCRYPT; // Only Wep /* Commit the changes to flags if needed */ - if(dwrq->flags & IW_ENCODE_MODE) + if (local->config.authType != currentAuthType) set_bit (FLAG_COMMIT, &local->flags); return -EINPROGRESS; /* Call commit handler */ } diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c index e328547599d..a496460ce22 100644 --- a/drivers/net/wireless/airo_cs.c +++ b/drivers/net/wireless/airo_cs.c @@ -82,8 +82,6 @@ MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards"); static void airo_config(dev_link_t *link); static void airo_release(dev_link_t *link); -static int airo_event(event_t event, int priority, - event_callback_args_t *args); /* The attach() and detach() entry points are used to create and destroy @@ -91,8 +89,7 @@ static int airo_event(event_t event, int priority, needed to manage one actual PCMCIA card. */ -static dev_link_t *airo_attach(void); -static void airo_detach(dev_link_t *); +static void airo_detach(struct pcmcia_device *p_dev); /* You'll also need to prototype all the functions that will actually @@ -102,14 +99,6 @@ static void airo_detach(dev_link_t *); */ /* - The dev_info variable is the "key" that is used to match up this - device driver with appropriate cards, through the card configuration - database. -*/ - -static dev_info_t dev_info = "airo_cs"; - -/* A linked list of "instances" of the aironet device. Each actual PCMCIA card corresponds to one device instance, and is described by one dev_link_t structure (defined in ds.h). @@ -119,15 +108,7 @@ static dev_info_t dev_info = "airo_cs"; device numbers are used to derive the corresponding array index. */ -static dev_link_t *dev_list = NULL; - /* - A dev_link_t structure has fields for most things that are needed - to keep track of a socket, but there will usually be some device - specific information that also needs to be kept track of. The - 'priv' pointer in a dev_link_t structure can be used to point to - a device-specific private data structure, like this. - A driver needs to provide a dev_node_t structure for each device on a card. In some cases, there is only one device per card (for example, ethernet cards, modems). In other cases, there may be @@ -160,20 +141,18 @@ typedef struct local_info_t { ======================================================================*/ -static dev_link_t *airo_attach(void) +static int airo_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; local_info_t *local; - int ret; - + DEBUG(0, "airo_attach()\n"); /* Initialize the dev_link_t structure */ link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL); if (!link) { printk(KERN_ERR "airo_cs: no memory for new device\n"); - return NULL; + return -ENOMEM; } /* Interrupt setup */ @@ -197,24 +176,17 @@ static dev_link_t *airo_attach(void) if (!local) { printk(KERN_ERR "airo_cs: no memory for new device\n"); kfree (link); - return NULL; + return -ENOMEM; } link->priv = local; - - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - airo_detach(link); - return NULL; - } - - return link; + + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + airo_config(link); + + return 0; } /* airo_attach */ /*====================================================================== @@ -226,37 +198,22 @@ static dev_link_t *airo_attach(void) ======================================================================*/ -static void airo_detach(dev_link_t *link) +static void airo_detach(struct pcmcia_device *p_dev) { - dev_link_t **linkp; - + dev_link_t *link = dev_to_instance(p_dev); + DEBUG(0, "airo_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - + if (link->state & DEV_CONFIG) airo_release(link); - + if ( ((local_info_t*)link->priv)->eth_dev ) { stop_airo_card( ((local_info_t*)link->priv)->eth_dev, 0 ); } - ((local_info_t*)link->priv)->eth_dev = NULL; - - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - - - - /* Unlink device structure, free pieces */ - *linkp = link->next; + ((local_info_t*)link->priv)->eth_dev = NULL; + kfree(link->priv); kfree(link); - } /* airo_detach */ /*====================================================================== @@ -492,60 +449,34 @@ static void airo_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/*====================================================================== - - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. +static int airo_suspend(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + local_info_t *local = link->priv; - When a CARD_REMOVAL event is received, we immediately set a - private flag to block future accesses to this device. All the - functions that actually access the device should check this flag - to make sure the card is still present. - - ======================================================================*/ + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + netif_device_detach(local->eth_dev); + pcmcia_release_configuration(link->handle); + } + + return 0; +} -static int airo_event(event_t event, int priority, - event_callback_args_t *args) +static int airo_resume(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(p_dev); local_info_t *local = link->priv; - - DEBUG(1, "airo_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - netif_device_detach(local->eth_dev); - airo_release(link); - } - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - airo_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) { - netif_device_detach(local->eth_dev); - pcmcia_release_configuration(link->handle); - } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - reset_airo_card(local->eth_dev); - netif_device_attach(local->eth_dev); - } - break; + + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + reset_airo_card(local->eth_dev); + netif_device_attach(local->eth_dev); } + return 0; -} /* airo_event */ +} static struct pcmcia_device_id airo_ids[] = { PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a), @@ -561,10 +492,11 @@ static struct pcmcia_driver airo_driver = { .drv = { .name = "airo_cs", }, - .attach = airo_attach, - .event = airo_event, - .detach = airo_detach, + .probe = airo_attach, + .remove = airo_detach, .id_table = airo_ids, + .suspend = airo_suspend, + .resume = airo_resume, }; static int airo_cs_init(void) @@ -575,7 +507,6 @@ static int airo_cs_init(void) static void airo_cs_cleanup(void) { pcmcia_unregister_driver(&airo_driver); - BUG_ON(dev_list != NULL); } /* diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 5e53c5258a3..98a76f10a0f 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -5,9 +5,9 @@ Copyright 2000-2001 ATMEL Corporation. Copyright 2003-2004 Simon Kelley. - This code was developed from version 2.1.1 of the Atmel drivers, - released by Atmel corp. under the GPL in December 2002. It also - includes code from the Linux aironet drivers (C) Benjamin Reed, + This code was developed from version 2.1.1 of the Atmel drivers, + released by Atmel corp. under the GPL in December 2002. It also + includes code from the Linux aironet drivers (C) Benjamin Reed, and the Linux PCMCIA package, (C) David Hinds and the Linux wireless extensions, (C) Jean Tourrilhes. @@ -31,7 +31,7 @@ along with Atmel wireless lan drivers; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - For all queries about this code, please contact the current author, + For all queries about this code, please contact the current author, Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation. Credit is due to HP UK and Cambridge Online Systems Ltd for supplying @@ -79,13 +79,13 @@ MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards.") MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("Atmel at76c50x wireless cards"); -/* The name of the firmware file to be loaded +/* The name of the firmware file to be loaded over-rides any automatic selection */ static char *firmware = NULL; module_param(firmware, charp, 0); /* table of firmware file names */ -static struct { +static struct { AtmelFWType fw_type; const char *fw_file; const char *fw_file_ext; @@ -104,17 +104,17 @@ static struct { #define MAX_SSID_LENGTH 32 #define MGMT_JIFFIES (256 * HZ / 100) -#define MAX_BSS_ENTRIES 64 +#define MAX_BSS_ENTRIES 64 /* registers */ -#define GCR 0x00 // (SIR0) General Configuration Register -#define BSR 0x02 // (SIR1) Bank Switching Select Register +#define GCR 0x00 // (SIR0) General Configuration Register +#define BSR 0x02 // (SIR1) Bank Switching Select Register #define AR 0x04 #define DR 0x08 -#define MR1 0x12 // Mirror Register 1 -#define MR2 0x14 // Mirror Register 2 -#define MR3 0x16 // Mirror Register 3 -#define MR4 0x18 // Mirror Register 4 +#define MR1 0x12 // Mirror Register 1 +#define MR2 0x14 // Mirror Register 2 +#define MR3 0x16 // Mirror Register 3 +#define MR4 0x18 // Mirror Register 4 #define GPR1 0x0c #define GPR2 0x0e @@ -123,9 +123,9 @@ static struct { // Constants for the GCR register. // #define GCR_REMAP 0x0400 // Remap internal SRAM to 0 -#define GCR_SWRES 0x0080 // BIU reset (ARM and PAI are NOT reset) +#define GCR_SWRES 0x0080 // BIU reset (ARM and PAI are NOT reset) #define GCR_CORES 0x0060 // Core Reset (ARM and PAI are reset) -#define GCR_ENINT 0x0002 // Enable Interrupts +#define GCR_ENINT 0x0002 // Enable Interrupts #define GCR_ACKINT 0x0008 // Acknowledge Interrupts #define BSS_SRAM 0x0200 // AMBA module selection --> SRAM @@ -190,7 +190,7 @@ struct rx_desc { u32 Next; u16 MsduPos; u16 MsduSize; - + u8 State; u8 Status; u8 Rate; @@ -199,7 +199,6 @@ struct rx_desc { u8 PreambleType; u16 Duration; u32 RxTime; - }; #define RX_DESC_FLAG_VALID 0x80 @@ -218,16 +217,15 @@ struct rx_desc { #define RX_DESC_DURATION_OFFSET 14 #define RX_DESC_RX_TIME_OFFSET 16 - struct tx_desc { u32 NextDescriptor; u16 TxStartOfFrame; u16 TxLength; - + u8 TxState; u8 TxStatus; u8 RetryCount; - + u8 TxRate; u8 KeyIndex; @@ -238,10 +236,8 @@ struct tx_desc { u8 Reserved; u8 PacketType; u16 HostTxLength; - }; - #define TX_DESC_NEXT_OFFSET 0 #define TX_DESC_POS_OFFSET 4 #define TX_DESC_SIZE_OFFSET 6 @@ -255,8 +251,6 @@ struct tx_desc { #define TX_DESC_PACKET_TYPE_OFFSET 17 #define TX_DESC_HOST_LENGTH_OFFSET 18 - - /////////////////////////////////////////////////////// // Host-MAC interface /////////////////////////////////////////////////////// @@ -266,7 +260,6 @@ struct tx_desc { #define TX_FIRM_OWN 0x80 #define TX_DONE 0x40 - #define TX_ERROR 0x01 #define TX_PACKET_TYPE_DATA 0x01 @@ -280,8 +273,7 @@ struct tx_desc { #define ISR_COMMAND_COMPLETE 0x10 // command completed #define ISR_OUT_OF_RANGE 0x20 // command completed #define ISR_IBSS_MERGE 0x40 // (4.1.2.30): IBSS merge -#define ISR_GENERIC_IRQ 0x80 - +#define ISR_GENERIC_IRQ 0x80 #define Local_Mib_Type 0x01 #define Mac_Address_Mib_Type 0x02 @@ -317,7 +309,6 @@ struct tx_desc { #define LOCAL_MIB_PREAMBLE_TYPE 9 #define MAC_ADDR_MIB_MAC_ADDR_POS 0 - #define CMD_Set_MIB_Vars 0x01 #define CMD_Get_MIB_Vars 0x02 #define CMD_Scan 0x03 @@ -338,7 +329,6 @@ struct tx_desc { #define CMD_STATUS_HOST_ERROR 0xFF #define CMD_STATUS_BUSY 0xFE - #define CMD_BLOCK_COMMAND_OFFSET 0 #define CMD_BLOCK_STATUS_OFFSET 1 #define CMD_BLOCK_PARAMETERS_OFFSET 4 @@ -347,15 +337,15 @@ struct tx_desc { #define MGMT_FRAME_BODY_OFFSET 24 #define MAX_AUTHENTICATION_RETRIES 3 -#define MAX_ASSOCIATION_RETRIES 3 +#define MAX_ASSOCIATION_RETRIES 3 #define AUTHENTICATION_RESPONSE_TIME_OUT 1000 #define MAX_WIRELESS_BODY 2316 /* mtu is 2312, CRC is 4 */ #define LOOP_RETRY_LIMIT 500000 -#define ACTIVE_MODE 1 -#define PS_MODE 2 +#define ACTIVE_MODE 1 +#define PS_MODE 2 #define MAX_ENCRYPTION_KEYS 4 #define MAX_ENCRYPTION_KEY_SIZE 40 @@ -377,7 +367,7 @@ struct tx_desc { #define REG_DOMAIN_MKK1 0x41 //Channel 1-14 Japan(MKK1) #define REG_DOMAIN_ISRAEL 0x50 //Channel 3-9 ISRAEL -#define BSS_TYPE_AD_HOC 1 +#define BSS_TYPE_AD_HOC 1 #define BSS_TYPE_INFRASTRUCTURE 2 #define SCAN_TYPE_ACTIVE 0 @@ -389,7 +379,7 @@ struct tx_desc { #define DATA_FRAME_WS_HEADER_SIZE 30 -/* promiscuous mode control */ +/* promiscuous mode control */ #define PROM_MODE_OFF 0x0 #define PROM_MODE_UNKNOWN 0x1 #define PROM_MODE_CRC_FAILED 0x2 @@ -398,8 +388,7 @@ struct tx_desc { #define PROM_MODE_CTRL 0x10 #define PROM_MODE_BAD_PROTOCOL 0x20 - -#define IFACE_INT_STATUS_OFFSET 0 +#define IFACE_INT_STATUS_OFFSET 0 #define IFACE_INT_MASK_OFFSET 1 #define IFACE_LOCKOUT_HOST_OFFSET 2 #define IFACE_LOCKOUT_MAC_OFFSET 3 @@ -407,7 +396,7 @@ struct tx_desc { #define IFACE_MAC_STAT_OFFSET 30 #define IFACE_GENERIC_INT_TYPE_OFFSET 32 -#define CIPHER_SUITE_NONE 0 +#define CIPHER_SUITE_NONE 0 #define CIPHER_SUITE_WEP_64 1 #define CIPHER_SUITE_TKIP 2 #define CIPHER_SUITE_AES 3 @@ -419,11 +408,11 @@ struct tx_desc { // // -// FuncCtrl field: +// FuncCtrl field: // #define FUNC_CTRL_TxENABLE 0x10 #define FUNC_CTRL_RxENABLE 0x20 -#define FUNC_CTRL_INIT_COMPLETE 0x01 +#define FUNC_CTRL_INIT_COMPLETE 0x01 /* A stub firmware image which reads the MAC address from NVRAM on the card. For copyright information and source see the end of this file. */ @@ -486,10 +475,10 @@ struct atmel_private { struct net_device_stats stats; // device stats spinlock_t irqlock, timerlock; // spinlocks enum { BUS_TYPE_PCCARD, BUS_TYPE_PCI } bus_type; - enum { - CARD_TYPE_PARALLEL_FLASH, + enum { + CARD_TYPE_PARALLEL_FLASH, CARD_TYPE_SPI_FLASH, - CARD_TYPE_EEPROM + CARD_TYPE_EEPROM } card_type; int do_rx_crc; /* If we need to CRC incoming packets */ int probe_crc; /* set if we don't yet know */ @@ -497,18 +486,18 @@ struct atmel_private { u16 rx_desc_head; u16 tx_desc_free, tx_desc_head, tx_desc_tail, tx_desc_previous; u16 tx_free_mem, tx_buff_head, tx_buff_tail; - + u16 frag_seq, frag_len, frag_no; - u8 frag_source[6]; - + u8 frag_source[6]; + u8 wep_is_on, default_key, exclude_unencrypted, encryption_level; u8 group_cipher_suite, pairwise_cipher_suite; u8 wep_keys[MAX_ENCRYPTION_KEYS][MAX_ENCRYPTION_KEY_SIZE]; - int wep_key_len[MAX_ENCRYPTION_KEYS]; + int wep_key_len[MAX_ENCRYPTION_KEYS]; int use_wpa, radio_on_broken; /* firmware dependent stuff. */ u16 host_info_base; - struct host_info_struct { + struct host_info_struct { /* NB this is matched to the hardware, don't change. */ u8 volatile int_status; u8 volatile int_mask; @@ -524,20 +513,20 @@ struct atmel_private { u16 rx_buff_size; u16 rx_desc_pos; u16 rx_desc_count; - + u16 build_version; - u16 command_pos; - + u16 command_pos; + u16 major_version; u16 minor_version; - + u16 func_ctrl; u16 mac_status; u16 generic_IRQ_type; u8 reserved[2]; } host_info; - enum { + enum { STATION_STATE_SCANNING, STATION_STATE_JOINNING, STATION_STATE_AUTHENTICATING, @@ -547,7 +536,7 @@ struct atmel_private { STATION_STATE_DOWN, STATION_STATE_MGMT_ERROR } station_state; - + int operating_mode, power_mode; time_t last_qual; int beacons_this_sec; @@ -560,18 +549,18 @@ struct atmel_private { int long_retry, short_retry; int preamble; int default_beacon_period, beacon_period, listen_interval; - int CurrentAuthentTransactionSeqNum, ExpectedAuthentTransactionSeqNum; + int CurrentAuthentTransactionSeqNum, ExpectedAuthentTransactionSeqNum; int AuthenticationRequestRetryCnt, AssociationRequestRetryCnt, ReAssociationRequestRetryCnt; enum { SITE_SURVEY_IDLE, SITE_SURVEY_IN_PROGRESS, - SITE_SURVEY_COMPLETED + SITE_SURVEY_COMPLETED } site_survey_state; time_t last_survey; int station_was_associated, station_is_associated; int fast_scan; - + struct bss_info { int channel; int SSIDsize; @@ -584,13 +573,12 @@ struct atmel_private { u8 SSID[MAX_SSID_LENGTH]; } BSSinfo[MAX_BSS_ENTRIES]; int BSS_list_entries, current_BSS; - int connect_to_any_BSS; + int connect_to_any_BSS; int SSID_size, new_SSID_size; u8 CurrentBSSID[6], BSSID[6]; u8 SSID[MAX_SSID_LENGTH], new_SSID[MAX_SSID_LENGTH]; u64 last_beacon_timestamp; u8 rx_buf[MAX_WIRELESS_BODY]; - }; static u8 atmel_basic_rates[4] = {0x82,0x84,0x0b,0x16}; @@ -598,39 +586,49 @@ static u8 atmel_basic_rates[4] = {0x82,0x84,0x0b,0x16}; static const struct { int reg_domain; int min, max; - char *name; + char *name; } channel_table[] = { { REG_DOMAIN_FCC, 1, 11, "USA" }, { REG_DOMAIN_DOC, 1, 11, "Canada" }, { REG_DOMAIN_ETSI, 1, 13, "Europe" }, { REG_DOMAIN_SPAIN, 10, 11, "Spain" }, - { REG_DOMAIN_FRANCE, 10, 13, "France" }, + { REG_DOMAIN_FRANCE, 10, 13, "France" }, { REG_DOMAIN_MKK, 14, 14, "MKK" }, { REG_DOMAIN_MKK1, 1, 14, "MKK1" }, { REG_DOMAIN_ISRAEL, 3, 9, "Israel"} }; static void build_wpa_mib(struct atmel_private *priv); static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -static void atmel_copy_to_card(struct net_device *dev, u16 dest, unsigned char *src, u16 len); -static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest, u16 src, u16 len); +static void atmel_copy_to_card(struct net_device *dev, u16 dest, + unsigned char *src, u16 len); +static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest, + u16 src, u16 len); static void atmel_set_gcr(struct net_device *dev, u16 mask); static void atmel_clear_gcr(struct net_device *dev, u16 mask); static int atmel_lock_mac(struct atmel_private *priv); static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data); static void atmel_command_irq(struct atmel_private *priv); static int atmel_validate_channel(struct atmel_private *priv, int channel); -static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, +static void atmel_management_frame(struct atmel_private *priv, + struct ieee80211_hdr_4addr *header, u16 frame_len, u8 rssi); static void atmel_management_timer(u_long a); -static void atmel_send_command(struct atmel_private *priv, int command, void *cmd, int cmd_size); -static int atmel_send_command_wait(struct atmel_private *priv, int command, void *cmd, int cmd_size); -static void atmel_transmit_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, +static void atmel_send_command(struct atmel_private *priv, int command, + void *cmd, int cmd_size); +static int atmel_send_command_wait(struct atmel_private *priv, int command, + void *cmd, int cmd_size); +static void atmel_transmit_management_frame(struct atmel_private *priv, + struct ieee80211_hdr_4addr *header, u8 *body, int body_len); static u8 atmel_get_mib8(struct atmel_private *priv, u8 type, u8 index); -static void atmel_set_mib8(struct atmel_private *priv, u8 type, u8 index, u8 data); -static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index, u16 data); -static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len); -static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len); +static void atmel_set_mib8(struct atmel_private *priv, u8 type, u8 index, + u8 data); +static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index, + u16 data); +static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index, + u8 *data, int data_len); +static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index, + u8 *data, int data_len); static void atmel_scan(struct atmel_private *priv, int specific_ssid); static void atmel_join_bss(struct atmel_private *priv, int bss_index); static void atmel_smooth_qual(struct atmel_private *priv); @@ -650,12 +648,12 @@ static inline u16 atmel_co(struct atmel_private *priv, u16 offset) return priv->host_info.command_pos + offset; } -static inline u16 atmel_rx(struct atmel_private *priv, u16 offset, u16 desc) +static inline u16 atmel_rx(struct atmel_private *priv, u16 offset, u16 desc) { return priv->host_info.rx_desc_pos + (sizeof(struct rx_desc) * desc) + offset; } -static inline u16 atmel_tx(struct atmel_private *priv, u16 offset, u16 desc) +static inline u16 atmel_tx(struct atmel_private *priv, u16 offset, u16 desc) { return priv->host_info.tx_desc_pos + (sizeof(struct tx_desc) * desc) + offset; } @@ -682,25 +680,25 @@ static inline void atmel_write16(struct net_device *dev, u16 offset, u16 data) static inline u8 atmel_rmem8(struct atmel_private *priv, u16 pos) { - atmel_writeAR(priv->dev, pos); + atmel_writeAR(priv->dev, pos); return atmel_read8(priv->dev, DR); } static inline void atmel_wmem8(struct atmel_private *priv, u16 pos, u16 data) { - atmel_writeAR(priv->dev, pos); + atmel_writeAR(priv->dev, pos); atmel_write8(priv->dev, DR, data); } static inline u16 atmel_rmem16(struct atmel_private *priv, u16 pos) { - atmel_writeAR(priv->dev, pos); + atmel_writeAR(priv->dev, pos); return atmel_read16(priv->dev, DR); } static inline void atmel_wmem16(struct atmel_private *priv, u16 pos, u16 data) { - atmel_writeAR(priv->dev, pos); + atmel_writeAR(priv->dev, pos); atmel_write16(priv->dev, DR, data); } @@ -710,11 +708,10 @@ static void tx_done_irq(struct atmel_private *priv) { int i; - for (i = 0; + for (i = 0; atmel_rmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, priv->tx_desc_head)) == TX_DONE && i < priv->host_info.tx_desc_count; i++) { - u8 status = atmel_rmem8(priv, atmel_tx(priv, TX_DESC_STATUS_OFFSET, priv->tx_desc_head)); u16 msdu_size = atmel_rmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, priv->tx_desc_head)); u8 type = atmel_rmem8(priv, atmel_tx(priv, TX_DESC_PACKET_TYPE_OFFSET, priv->tx_desc_head)); @@ -728,16 +725,16 @@ static void tx_done_irq(struct atmel_private *priv) priv->tx_buff_head = 0; else priv->tx_buff_head += msdu_size; - + if (priv->tx_desc_head < (priv->host_info.tx_desc_count - 1)) - priv->tx_desc_head++ ; + priv->tx_desc_head++ ; else priv->tx_desc_head = 0; - + if (type == TX_PACKET_TYPE_DATA) { if (status == TX_STATUS_SUCCESS) priv->stats.tx_packets++; - else + else priv->stats.tx_errors++; netif_wake_queue(priv->dev); } @@ -748,21 +745,22 @@ static u16 find_tx_buff(struct atmel_private *priv, u16 len) { u16 bottom_free = priv->host_info.tx_buff_size - priv->tx_buff_tail; - if (priv->tx_desc_free == 3 || priv->tx_free_mem < len) + if (priv->tx_desc_free == 3 || priv->tx_free_mem < len) return 0; - + if (bottom_free >= len) return priv->host_info.tx_buff_pos + priv->tx_buff_tail; - + if (priv->tx_free_mem - bottom_free >= len) { priv->tx_buff_tail = 0; return priv->host_info.tx_buff_pos; } - + return 0; } -static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, u16 len, u16 buff, u8 type) +static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, + u16 len, u16 buff, u8 type) { atmel_wmem16(priv, atmel_tx(priv, TX_DESC_POS_OFFSET, priv->tx_desc_tail), buff); atmel_wmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, priv->tx_desc_tail), len); @@ -775,8 +773,8 @@ static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, u16 l int cipher_type, cipher_length; if (is_bcast) { cipher_type = priv->group_cipher_suite; - if (cipher_type == CIPHER_SUITE_WEP_64 || - cipher_type == CIPHER_SUITE_WEP_128 ) + if (cipher_type == CIPHER_SUITE_WEP_64 || + cipher_type == CIPHER_SUITE_WEP_128) cipher_length = 8; else if (cipher_type == CIPHER_SUITE_TKIP) cipher_length = 12; @@ -790,8 +788,8 @@ static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, u16 l } } else { cipher_type = priv->pairwise_cipher_suite; - if (cipher_type == CIPHER_SUITE_WEP_64 || - cipher_type == CIPHER_SUITE_WEP_128 ) + if (cipher_type == CIPHER_SUITE_WEP_64 || + cipher_type == CIPHER_SUITE_WEP_128) cipher_length = 8; else if (cipher_type == CIPHER_SUITE_TKIP) cipher_length = 12; @@ -804,9 +802,9 @@ static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, u16 l cipher_length = 0; } } - + atmel_wmem8(priv, atmel_tx(priv, TX_DESC_CIPHER_TYPE_OFFSET, priv->tx_desc_tail), - cipher_type); + cipher_type); atmel_wmem8(priv, atmel_tx(priv, TX_DESC_CIPHER_LENGTH_OFFSET, priv->tx_desc_tail), cipher_length); } @@ -815,46 +813,46 @@ static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, u16 l if (priv->tx_desc_previous != priv->tx_desc_tail) atmel_wmem32(priv, atmel_tx(priv, TX_DESC_NEXT_OFFSET, priv->tx_desc_previous), 0); priv->tx_desc_previous = priv->tx_desc_tail; - if (priv->tx_desc_tail < (priv->host_info.tx_desc_count -1 )) + if (priv->tx_desc_tail < (priv->host_info.tx_desc_count - 1)) priv->tx_desc_tail++; else priv->tx_desc_tail = 0; priv->tx_desc_free--; priv->tx_free_mem -= len; - } -static int start_tx (struct sk_buff *skb, struct net_device *dev) +static int start_tx(struct sk_buff *skb, struct net_device *dev) { struct atmel_private *priv = netdev_priv(dev); struct ieee80211_hdr_4addr header; unsigned long flags; u16 buff, frame_ctl, len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN; u8 SNAP_RFC1024[6] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00}; - - if (priv->card && priv->present_callback && + + if (priv->card && priv->present_callback && !(*priv->present_callback)(priv->card)) { priv->stats.tx_errors++; dev_kfree_skb(skb); return 0; } - + if (priv->station_state != STATION_STATE_READY) { priv->stats.tx_errors++; dev_kfree_skb(skb); return 0; } - + /* first ensure the timer func cannot run */ - spin_lock_bh(&priv->timerlock); + spin_lock_bh(&priv->timerlock); /* then stop the hardware ISR */ - spin_lock_irqsave(&priv->irqlock, flags); + spin_lock_irqsave(&priv->irqlock, flags); /* nb doing the above in the opposite order will deadlock */ - + /* The Wireless Header is 30 bytes. In the Ethernet packet we "cut" the - 12 first bytes (containing DA/SA) and put them in the appropriate fields of - the Wireless Header. Thus the packet length is then the initial + 18 (+30-12) */ - + 12 first bytes (containing DA/SA) and put them in the appropriate + fields of the Wireless Header. Thus the packet length is then the + initial + 18 (+30-12) */ + if (!(buff = find_tx_buff(priv, len + 18))) { priv->stats.tx_dropped++; spin_unlock_irqrestore(&priv->irqlock, flags); @@ -862,7 +860,7 @@ static int start_tx (struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); return 1; } - + frame_ctl = IEEE80211_FTYPE_DATA; header.duration_id = 0; header.seq_ctl = 0; @@ -878,7 +876,7 @@ static int start_tx (struct sk_buff *skb, struct net_device *dev) memcpy(&header.addr2, dev->dev_addr, 6); memcpy(&header.addr3, skb->data, 6); } - + if (priv->use_wpa) memcpy(&header.addr4, SNAP_RFC1024, 6); @@ -888,27 +886,27 @@ static int start_tx (struct sk_buff *skb, struct net_device *dev) /* Copy the packet sans its 802.3 header addresses which have been replaced */ atmel_copy_to_card(dev, buff + DATA_FRAME_WS_HEADER_SIZE, skb->data + 12, len - 12); priv->tx_buff_tail += len - 12 + DATA_FRAME_WS_HEADER_SIZE; - + /* low bit of first byte of destination tells us if broadcast */ tx_update_descriptor(priv, *(skb->data) & 0x01, len + 18, buff, TX_PACKET_TYPE_DATA); dev->trans_start = jiffies; priv->stats.tx_bytes += len; - + spin_unlock_irqrestore(&priv->irqlock, flags); spin_unlock_bh(&priv->timerlock); dev_kfree_skb(skb); - - return 0; + + return 0; } -static void atmel_transmit_management_frame(struct atmel_private *priv, +static void atmel_transmit_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, u8 *body, int body_len) { u16 buff; - int len = MGMT_FRAME_BODY_OFFSET + body_len; - - if (!(buff = find_tx_buff(priv, len))) + int len = MGMT_FRAME_BODY_OFFSET + body_len; + + if (!(buff = find_tx_buff(priv, len))) return; atmel_copy_to_card(priv->dev, buff, (u8 *)header, MGMT_FRAME_BODY_OFFSET); @@ -916,24 +914,25 @@ static void atmel_transmit_management_frame(struct atmel_private *priv, priv->tx_buff_tail += len; tx_update_descriptor(priv, header->addr1[0] & 0x01, len, buff, TX_PACKET_TYPE_MGMT); } - -static void fast_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, + +static void fast_rx_path(struct atmel_private *priv, + struct ieee80211_hdr_4addr *header, u16 msdu_size, u16 rx_packet_loc, u32 crc) { /* fast path: unfragmented packet copy directly into skbuf */ - u8 mac4[6]; - struct sk_buff *skb; + u8 mac4[6]; + struct sk_buff *skb; unsigned char *skbp; - + /* get the final, mac 4 header field, this tells us encapsulation */ atmel_copy_to_host(priv->dev, mac4, rx_packet_loc + 24, 6); msdu_size -= 6; - + if (priv->do_rx_crc) { crc = crc32_le(crc, mac4, 6); msdu_size -= 4; } - + if (!(skb = dev_alloc_skb(msdu_size + 14))) { priv->stats.rx_dropped++; return; @@ -942,7 +941,7 @@ static void fast_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr skb_reserve(skb, 2); skbp = skb_put(skb, msdu_size + 12); atmel_copy_to_host(priv->dev, skbp + 12, rx_packet_loc + 30, msdu_size); - + if (priv->do_rx_crc) { u32 netcrc; crc = crc32_le(crc, skbp + 12, msdu_size); @@ -953,24 +952,25 @@ static void fast_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr return; } } - + memcpy(skbp, header->addr1, 6); /* destination address */ - if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS) + if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS) memcpy(&skbp[6], header->addr3, 6); else memcpy(&skbp[6], header->addr2, 6); /* source address */ - - priv->dev->last_rx=jiffies; + + priv->dev->last_rx = jiffies; skb->dev = priv->dev; skb->protocol = eth_type_trans(skb, priv->dev); - skb->ip_summed = CHECKSUM_NONE; + skb->ip_summed = CHECKSUM_NONE; netif_rx(skb); priv->stats.rx_bytes += 12 + msdu_size; priv->stats.rx_packets++; } /* Test to see if the packet in card memory at packet_loc has a valid CRC - It doesn't matter that this is slow: it is only used to proble the first few packets. */ + It doesn't matter that this is slow: it is only used to proble the first few + packets. */ static int probe_crc(struct atmel_private *priv, u16 packet_loc, u16 msdu_size) { int i = msdu_size - 4; @@ -980,7 +980,7 @@ static int probe_crc(struct atmel_private *priv, u16 packet_loc, u16 msdu_size) return 0; atmel_copy_to_host(priv->dev, (void *)&netcrc, packet_loc + i, 4); - + atmel_writeAR(priv->dev, packet_loc); while (i--) { u8 octet = atmel_read8(priv->dev, DR); @@ -990,20 +990,22 @@ static int probe_crc(struct atmel_private *priv, u16 packet_loc, u16 msdu_size) return (crc ^ 0xffffffff) == netcrc; } -static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, - u16 msdu_size, u16 rx_packet_loc, u32 crc, u16 seq_no, u8 frag_no, int more_frags) +static void frag_rx_path(struct atmel_private *priv, + struct ieee80211_hdr_4addr *header, + u16 msdu_size, u16 rx_packet_loc, u32 crc, u16 seq_no, + u8 frag_no, int more_frags) { - u8 mac4[6]; + u8 mac4[6]; u8 source[6]; struct sk_buff *skb; - if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS) + if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS) memcpy(source, header->addr3, 6); else - memcpy(source, header->addr2, 6); - + memcpy(source, header->addr2, 6); + rx_packet_loc += 24; /* skip header */ - + if (priv->do_rx_crc) msdu_size -= 4; @@ -1012,16 +1014,16 @@ static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr msdu_size -= 6; rx_packet_loc += 6; - if (priv->do_rx_crc) + if (priv->do_rx_crc) crc = crc32_le(crc, mac4, 6); - + priv->frag_seq = seq_no; priv->frag_no = 1; priv->frag_len = msdu_size; - memcpy(priv->frag_source, source, 6); + memcpy(priv->frag_source, source, 6); memcpy(&priv->rx_buf[6], source, 6); memcpy(priv->rx_buf, header->addr1, 6); - + atmel_copy_to_host(priv->dev, &priv->rx_buf[12], rx_packet_loc, msdu_size); if (priv->do_rx_crc) { @@ -1033,17 +1035,17 @@ static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr memset(priv->frag_source, 0xff, 6); } } - + } else if (priv->frag_no == frag_no && priv->frag_seq == seq_no && memcmp(priv->frag_source, source, 6) == 0) { - - atmel_copy_to_host(priv->dev, &priv->rx_buf[12 + priv->frag_len], + + atmel_copy_to_host(priv->dev, &priv->rx_buf[12 + priv->frag_len], rx_packet_loc, msdu_size); if (priv->do_rx_crc) { u32 netcrc; - crc = crc32_le(crc, - &priv->rx_buf[12 + priv->frag_len], + crc = crc32_le(crc, + &priv->rx_buf[12 + priv->frag_len], msdu_size); atmel_copy_to_host(priv->dev, (void *)&netcrc, rx_packet_loc + msdu_size, 4); if ((crc ^ 0xffffffff) != netcrc) { @@ -1052,7 +1054,7 @@ static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr more_frags = 1; /* don't send broken assembly */ } } - + priv->frag_len += msdu_size; priv->frag_no++; @@ -1062,60 +1064,60 @@ static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr priv->stats.rx_dropped++; } else { skb_reserve(skb, 2); - memcpy(skb_put(skb, priv->frag_len + 12), + memcpy(skb_put(skb, priv->frag_len + 12), priv->rx_buf, priv->frag_len + 12); priv->dev->last_rx = jiffies; skb->dev = priv->dev; skb->protocol = eth_type_trans(skb, priv->dev); - skb->ip_summed = CHECKSUM_NONE; + skb->ip_summed = CHECKSUM_NONE; netif_rx(skb); priv->stats.rx_bytes += priv->frag_len + 12; priv->stats.rx_packets++; } } - } else priv->wstats.discard.fragment++; } - + static void rx_done_irq(struct atmel_private *priv) { int i; struct ieee80211_hdr_4addr header; - - for (i = 0; + + for (i = 0; atmel_rmem8(priv, atmel_rx(priv, RX_DESC_FLAGS_OFFSET, priv->rx_desc_head)) == RX_DESC_FLAG_VALID && i < priv->host_info.rx_desc_count; i++) { - + u16 msdu_size, rx_packet_loc, frame_ctl, seq_control; u8 status = atmel_rmem8(priv, atmel_rx(priv, RX_DESC_STATUS_OFFSET, priv->rx_desc_head)); u32 crc = 0xffffffff; - + if (status != RX_STATUS_SUCCESS) { if (status == 0xc1) /* determined by experiment */ priv->wstats.discard.nwid++; else - priv->stats.rx_errors++; + priv->stats.rx_errors++; goto next; } msdu_size = atmel_rmem16(priv, atmel_rx(priv, RX_DESC_MSDU_SIZE_OFFSET, priv->rx_desc_head)); rx_packet_loc = atmel_rmem16(priv, atmel_rx(priv, RX_DESC_MSDU_POS_OFFSET, priv->rx_desc_head)); - + if (msdu_size < 30) { - priv->stats.rx_errors++; + priv->stats.rx_errors++; goto next; } - + /* Get header as far as end of seq_ctl */ atmel_copy_to_host(priv->dev, (char *)&header, rx_packet_loc, 24); frame_ctl = le16_to_cpu(header.frame_ctl); seq_control = le16_to_cpu(header.seq_ctl); - /* probe for CRC use here if needed once five packets have arrived with - the same crc status, we assume we know what's happening and stop probing */ + /* probe for CRC use here if needed once five packets have + arrived with the same crc status, we assume we know what's + happening and stop probing */ if (priv->probe_crc) { if (!priv->wep_is_on || !(frame_ctl & IEEE80211_FCTL_PROTECTED)) { priv->do_rx_crc = probe_crc(priv, rx_packet_loc, msdu_size); @@ -1130,34 +1132,33 @@ static void rx_done_irq(struct atmel_private *priv) priv->probe_crc = 0; } } - + /* don't CRC header when WEP in use */ if (priv->do_rx_crc && (!priv->wep_is_on || !(frame_ctl & IEEE80211_FCTL_PROTECTED))) { crc = crc32_le(0xffffffff, (unsigned char *)&header, 24); } msdu_size -= 24; /* header */ - if ((frame_ctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) { - + if ((frame_ctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) { int more_fragments = frame_ctl & IEEE80211_FCTL_MOREFRAGS; u8 packet_fragment_no = seq_control & IEEE80211_SCTL_FRAG; u16 packet_sequence_no = (seq_control & IEEE80211_SCTL_SEQ) >> 4; - - if (!more_fragments && packet_fragment_no == 0 ) { + + if (!more_fragments && packet_fragment_no == 0) { fast_rx_path(priv, &header, msdu_size, rx_packet_loc, crc); } else { frag_rx_path(priv, &header, msdu_size, rx_packet_loc, crc, packet_sequence_no, packet_fragment_no, more_fragments); } } - + if ((frame_ctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) { /* copy rest of packet into buffer */ atmel_copy_to_host(priv->dev, (unsigned char *)&priv->rx_buf, rx_packet_loc + 24, msdu_size); - + /* we use the same buffer for frag reassembly and control packets */ memset(priv->frag_source, 0xff, 6); - + if (priv->do_rx_crc) { /* last 4 octets is crc */ msdu_size -= 4; @@ -1170,18 +1171,18 @@ static void rx_done_irq(struct atmel_private *priv) atmel_management_frame(priv, &header, msdu_size, atmel_rmem8(priv, atmel_rx(priv, RX_DESC_RSSI_OFFSET, priv->rx_desc_head))); - } + } - next: +next: /* release descriptor */ - atmel_wmem8(priv, atmel_rx(priv, RX_DESC_FLAGS_OFFSET, priv->rx_desc_head), RX_DESC_FLAG_CONSUMED); - + atmel_wmem8(priv, atmel_rx(priv, RX_DESC_FLAGS_OFFSET, priv->rx_desc_head), RX_DESC_FLAG_CONSUMED); + if (priv->rx_desc_head < (priv->host_info.rx_desc_count - 1)) - priv->rx_desc_head++; + priv->rx_desc_head++; else priv->rx_desc_head = 0; } -} +} static irqreturn_t service_interrupt(int irq, void *dev_id, struct pt_regs *regs) { @@ -1189,7 +1190,7 @@ static irqreturn_t service_interrupt(int irq, void *dev_id, struct pt_regs *regs struct atmel_private *priv = netdev_priv(dev); u8 isr; int i = -1; - static u8 irq_order[] = { + static u8 irq_order[] = { ISR_OUT_OF_RANGE, ISR_RxCOMPLETE, ISR_TxCOMPLETE, @@ -1199,20 +1200,19 @@ static irqreturn_t service_interrupt(int irq, void *dev_id, struct pt_regs *regs ISR_IBSS_MERGE, ISR_GENERIC_IRQ }; - - if (priv->card && priv->present_callback && + if (priv->card && priv->present_callback && !(*priv->present_callback)(priv->card)) return IRQ_HANDLED; /* In this state upper-level code assumes it can mess with the card unhampered by interrupts which may change register state. Note that even though the card shouldn't generate interrupts - the inturrupt line may be shared. This allows card setup + the inturrupt line may be shared. This allows card setup to go on without disabling interrupts for a long time. */ if (priv->station_state == STATION_STATE_DOWN) return IRQ_NONE; - + atmel_clear_gcr(dev, GCR_ENINT); /* disable interrupts */ while (1) { @@ -1221,36 +1221,36 @@ static irqreturn_t service_interrupt(int irq, void *dev_id, struct pt_regs *regs printk(KERN_ALERT "%s: failed to contact MAC.\n", dev->name); return IRQ_HANDLED; } - + isr = atmel_rmem8(priv, atmel_hi(priv, IFACE_INT_STATUS_OFFSET)); atmel_wmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_MAC_OFFSET), 0); - + if (!isr) { atmel_set_gcr(dev, GCR_ENINT); /* enable interrupts */ return i == -1 ? IRQ_NONE : IRQ_HANDLED; } - + atmel_set_gcr(dev, GCR_ACKINT); /* acknowledge interrupt */ - + for (i = 0; i < sizeof(irq_order)/sizeof(u8); i++) if (isr & irq_order[i]) break; - + if (!atmel_lock_mac(priv)) { /* failed to contact card */ printk(KERN_ALERT "%s: failed to contact MAC.\n", dev->name); return IRQ_HANDLED; } - + isr = atmel_rmem8(priv, atmel_hi(priv, IFACE_INT_STATUS_OFFSET)); isr ^= irq_order[i]; atmel_wmem8(priv, atmel_hi(priv, IFACE_INT_STATUS_OFFSET), isr); atmel_wmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_MAC_OFFSET), 0); - + switch (irq_order[i]) { - - case ISR_OUT_OF_RANGE: - if (priv->operating_mode == IW_MODE_INFRA && + + case ISR_OUT_OF_RANGE: + if (priv->operating_mode == IW_MODE_INFRA && priv->station_state == STATION_STATE_READY) { priv->station_is_associated = 0; atmel_scan(priv, 1); @@ -1261,24 +1261,24 @@ static irqreturn_t service_interrupt(int irq, void *dev_id, struct pt_regs *regs priv->wstats.discard.misc++; /* fall through */ case ISR_RxCOMPLETE: - rx_done_irq(priv); + rx_done_irq(priv); break; - + case ISR_TxCOMPLETE: - tx_done_irq(priv); + tx_done_irq(priv); break; - + case ISR_FATAL_ERROR: printk(KERN_ALERT "%s: *** FATAL error interrupt ***\n", dev->name); atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); break; - - case ISR_COMMAND_COMPLETE: + + case ISR_COMMAND_COMPLETE: atmel_command_irq(priv); break; case ISR_IBSS_MERGE: - atmel_get_mib(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_CUR_BSSID_POS, + atmel_get_mib(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_CUR_BSSID_POS, priv->CurrentBSSID, 6); /* The WPA stuff cares about the current AP address */ if (priv->use_wpa) @@ -1288,24 +1288,23 @@ static irqreturn_t service_interrupt(int irq, void *dev_id, struct pt_regs *regs printk(KERN_INFO "%s: Generic_irq received.\n", dev->name); break; } - } + } } - -static struct net_device_stats *atmel_get_stats (struct net_device *dev) +static struct net_device_stats *atmel_get_stats(struct net_device *dev) { struct atmel_private *priv = netdev_priv(dev); return &priv->stats; } -static struct iw_statistics *atmel_get_wireless_stats (struct net_device *dev) +static struct iw_statistics *atmel_get_wireless_stats(struct net_device *dev) { struct atmel_private *priv = netdev_priv(dev); - /* update the link quality here in case we are seeing no beacons + /* update the link quality here in case we are seeing no beacons at all to drive the process */ atmel_smooth_qual(priv); - + priv->wstats.status = priv->station_state; if (priv->operating_mode == IW_MODE_INFRA) { @@ -1328,8 +1327,8 @@ static struct iw_statistics *atmel_get_wireless_stats (struct net_device *dev) | IW_QUAL_NOISE_INVALID; priv->wstats.miss.beacon = 0; } - - return (&priv->wstats); + + return &priv->wstats; } static int atmel_change_mtu(struct net_device *dev, int new_mtu) @@ -1343,21 +1342,21 @@ static int atmel_change_mtu(struct net_device *dev, int new_mtu) static int atmel_set_mac_address(struct net_device *dev, void *p) { struct sockaddr *addr = p; - + memcpy (dev->dev_addr, addr->sa_data, dev->addr_len); return atmel_open(dev); } EXPORT_SYMBOL(atmel_open); -int atmel_open (struct net_device *dev) +int atmel_open(struct net_device *dev) { struct atmel_private *priv = netdev_priv(dev); int i, channel; /* any scheduled timer is no longer needed and might screw things up.. */ del_timer_sync(&priv->management_timer); - + /* Interrupts will not touch the card once in this state... */ priv->station_state = STATION_STATE_DOWN; @@ -1377,7 +1376,7 @@ int atmel_open (struct net_device *dev) priv->site_survey_state = SITE_SURVEY_IDLE; priv->station_is_associated = 0; - if (!reset_atmel_card(dev)) + if (!reset_atmel_card(dev)) return -EAGAIN; if (priv->config_reg_domain) { @@ -1391,26 +1390,37 @@ int atmel_open (struct net_device *dev) if (i == sizeof(channel_table)/sizeof(channel_table[0])) { priv->reg_domain = REG_DOMAIN_MKK1; printk(KERN_ALERT "%s: failed to get regulatory domain: assuming MKK1.\n", dev->name); - } + } } - + if ((channel = atmel_validate_channel(priv, priv->channel))) priv->channel = channel; - /* this moves station_state on.... */ - atmel_scan(priv, 1); + /* this moves station_state on.... */ + atmel_scan(priv, 1); atmel_set_gcr(priv->dev, GCR_ENINT); /* enable interrupts */ return 0; } -static int atmel_close (struct net_device *dev) +static int atmel_close(struct net_device *dev) { struct atmel_private *priv = netdev_priv(dev); - + + /* Send event to userspace that we are disassociating */ + if (priv->station_state == STATION_STATE_READY) { + union iwreq_data wrqu; + + wrqu.data.length = 0; + wrqu.data.flags = 0; + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); + wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); + } + atmel_enter_state(priv, STATION_STATE_DOWN); - - if (priv->bus_type == BUS_TYPE_PCCARD) + + if (priv->bus_type == BUS_TYPE_PCCARD) atmel_write16(dev, GCR, 0x0060); atmel_write16(dev, GCR, 0x0040); return 0; @@ -1438,43 +1448,46 @@ static int atmel_proc_output (char *buf, struct atmel_private *priv) int i; char *p = buf; char *s, *r, *c; - - p += sprintf(p, "Driver version:\t\t%d.%d\n", DRIVER_MAJOR, DRIVER_MINOR); - + + p += sprintf(p, "Driver version:\t\t%d.%d\n", + DRIVER_MAJOR, DRIVER_MINOR); + if (priv->station_state != STATION_STATE_DOWN) { - p += sprintf(p, "Firmware version:\t%d.%d build %d\nFirmware location:\t", + p += sprintf(p, "Firmware version:\t%d.%d build %d\n" + "Firmware location:\t", priv->host_info.major_version, priv->host_info.minor_version, priv->host_info.build_version); - - if (priv->card_type != CARD_TYPE_EEPROM) + + if (priv->card_type != CARD_TYPE_EEPROM) p += sprintf(p, "on card\n"); - else if (priv->firmware) - p += sprintf(p, "%s loaded by host\n", priv->firmware_id); + else if (priv->firmware) + p += sprintf(p, "%s loaded by host\n", + priv->firmware_id); else - p += sprintf(p, "%s loaded by hotplug\n", priv->firmware_id); - - switch(priv->card_type) { + p += sprintf(p, "%s loaded by hotplug\n", + priv->firmware_id); + + switch (priv->card_type) { case CARD_TYPE_PARALLEL_FLASH: c = "Parallel flash"; break; case CARD_TYPE_SPI_FLASH: c = "SPI flash\n"; break; case CARD_TYPE_EEPROM: c = "EEPROM"; break; default: c = "<unknown>"; } - r = "<unknown>"; for (i = 0; i < sizeof(channel_table)/sizeof(channel_table[0]); i++) if (priv->reg_domain == channel_table[i].reg_domain) r = channel_table[i].name; - + p += sprintf(p, "MAC memory type:\t%s\n", c); p += sprintf(p, "Regulatory domain:\t%s\n", r); - p += sprintf(p, "Host CRC checking:\t%s\n", + p += sprintf(p, "Host CRC checking:\t%s\n", priv->do_rx_crc ? "On" : "Off"); p += sprintf(p, "WPA-capable firmware:\t%s\n", priv->use_wpa ? "Yes" : "No"); } - + switch(priv->station_state) { case STATION_STATE_SCANNING: s = "Scanning"; break; case STATION_STATE_JOINNING: s = "Joining"; break; @@ -1486,9 +1499,9 @@ static int atmel_proc_output (char *buf, struct atmel_private *priv) case STATION_STATE_DOWN: s = "Down"; break; default: s = "<unknown>"; } - + p += sprintf(p, "Current state:\t\t%s\n", s); - return p - buf; + return p - buf; } static int atmel_read_proc(char *page, char **start, off_t off, @@ -1504,9 +1517,12 @@ static int atmel_read_proc(char *page, char **start, off_t off, return len; } -struct net_device *init_atmel_card( unsigned short irq, unsigned long port, const AtmelFWType fw_type, - struct device *sys_dev, int (*card_present)(void *), void *card) +struct net_device *init_atmel_card(unsigned short irq, unsigned long port, + const AtmelFWType fw_type, + struct device *sys_dev, + int (*card_present)(void *), void *card) { + struct proc_dir_entry *ent; struct net_device *dev; struct atmel_private *priv; int rc; @@ -1514,11 +1530,11 @@ struct net_device *init_atmel_card( unsigned short irq, unsigned long port, cons /* Create the network device object. */ dev = alloc_etherdev(sizeof(*priv)); if (!dev) { - printk(KERN_ERR "atmel: Couldn't alloc_etherdev\n"); + printk(KERN_ERR "atmel: Couldn't alloc_etherdev\n"); return NULL; } if (dev_alloc_name(dev, dev->name) < 0) { - printk(KERN_ERR "atmel: Couldn't get name!\n"); + printk(KERN_ERR "atmel: Couldn't get name!\n"); goto err_out_free; } @@ -1550,7 +1566,7 @@ struct net_device *init_atmel_card( unsigned short irq, unsigned long port, cons memset(priv->BSSID, 0, 6); priv->CurrentBSSID[0] = 0xFF; /* Initialize to something invalid.... */ priv->station_was_associated = 0; - + priv->last_survey = jiffies; priv->preamble = LONG_PREAMBLE; priv->operating_mode = IW_MODE_INFRA; @@ -1586,7 +1602,7 @@ struct net_device *init_atmel_card( unsigned short irq, unsigned long port, cons spin_lock_init(&priv->timerlock); priv->management_timer.function = atmel_management_timer; priv->management_timer.data = (unsigned long) dev; - + dev->open = atmel_open; dev->stop = atmel_close; dev->change_mtu = atmel_change_mtu; @@ -1597,44 +1613,46 @@ struct net_device *init_atmel_card( unsigned short irq, unsigned long port, cons dev->do_ioctl = atmel_ioctl; dev->irq = irq; dev->base_addr = port; - + SET_NETDEV_DEV(dev, sys_dev); - + if ((rc = request_irq(dev->irq, service_interrupt, SA_SHIRQ, dev->name, dev))) { - printk(KERN_ERR "%s: register interrupt %d failed, rc %d\n", dev->name, irq, rc ); + printk(KERN_ERR "%s: register interrupt %d failed, rc %d\n", dev->name, irq, rc); goto err_out_free; } - if (!request_region(dev->base_addr, 32, + if (!request_region(dev->base_addr, 32, priv->bus_type == BUS_TYPE_PCCARD ? "atmel_cs" : "atmel_pci")) { goto err_out_irq; } - + if (register_netdev(dev)) goto err_out_res; - + if (!probe_atmel_card(dev)){ unregister_netdev(dev); goto err_out_res; } - + netif_carrier_off(dev); - - create_proc_read_entry ("driver/atmel", 0, NULL, atmel_read_proc, priv); - + + ent = create_proc_read_entry ("driver/atmel", 0, NULL, atmel_read_proc, priv); + if (!ent) + printk(KERN_WARNING "atmel: unable to create /proc entry.\n"); + printk(KERN_INFO "%s: Atmel at76c50x. Version %d.%d. MAC %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", dev->name, DRIVER_MAJOR, DRIVER_MINOR, dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] ); - + SET_MODULE_OWNER(dev); return dev; - - err_out_res: + +err_out_res: release_region( dev->base_addr, 32); - err_out_irq: +err_out_irq: free_irq(dev->irq, dev); - err_out_free: +err_out_free: free_netdev(dev); return NULL; } @@ -1644,12 +1662,12 @@ EXPORT_SYMBOL(init_atmel_card); void stop_atmel_card(struct net_device *dev) { struct atmel_private *priv = netdev_priv(dev); - + /* put a brick on it... */ - if (priv->bus_type == BUS_TYPE_PCCARD) + if (priv->bus_type == BUS_TYPE_PCCARD) atmel_write16(dev, GCR, 0x0060); atmel_write16(dev, GCR, 0x0040); - + del_timer_sync(&priv->management_timer); unregister_netdev(dev); remove_proc_entry("driver/atmel", NULL); @@ -1675,13 +1693,13 @@ static int atmel_set_essid(struct net_device *dev, int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; priv->connect_to_any_BSS = 0; - + /* Check the size of the string */ if (dwrq->length > MAX_SSID_LENGTH + 1) - return -E2BIG ; + return -E2BIG; if (index != 0) return -EINVAL; - + memcpy(priv->new_SSID, extra, dwrq->length - 1); priv->new_SSID_size = dwrq->length - 1; } @@ -1700,13 +1718,13 @@ static int atmel_get_essid(struct net_device *dev, if (priv->new_SSID_size != 0) { memcpy(extra, priv->new_SSID, priv->new_SSID_size); extra[priv->new_SSID_size] = '\0'; - dwrq->length = priv->new_SSID_size + 1; + dwrq->length = priv->new_SSID_size; } else { memcpy(extra, priv->SSID, priv->SSID_size); extra[priv->SSID_size] = '\0'; - dwrq->length = priv->SSID_size + 1; + dwrq->length = priv->SSID_size; } - + dwrq->flags = !priv->connect_to_any_BSS; /* active */ return 0; @@ -1768,33 +1786,33 @@ static int atmel_set_encode(struct net_device *dev, /* WE specify that if a valid key is set, encryption * should be enabled (user may turn it off later) * This is also how "iwconfig ethX key on" works */ - if (index == current_index && + if (index == current_index && priv->wep_key_len[index] > 0) { priv->wep_is_on = 1; priv->exclude_unencrypted = 1; if (priv->wep_key_len[index] > 5) { - priv->pairwise_cipher_suite = CIPHER_SUITE_WEP_64; + priv->pairwise_cipher_suite = CIPHER_SUITE_WEP_128; priv->encryption_level = 2; } else { - priv->pairwise_cipher_suite = CIPHER_SUITE_WEP_128; + priv->pairwise_cipher_suite = CIPHER_SUITE_WEP_64; priv->encryption_level = 1; } } } else { /* Do we want to just set the transmit key index ? */ int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - if ( index>=0 && index < 4 ) { + if (index >= 0 && index < 4) { priv->default_key = index; } else /* Don't complain if only change the mode */ - if(!dwrq->flags & IW_ENCODE_MODE) { + if (!dwrq->flags & IW_ENCODE_MODE) { return -EINVAL; } } /* Read the flags */ - if(dwrq->flags & IW_ENCODE_DISABLED) { + if (dwrq->flags & IW_ENCODE_DISABLED) { priv->wep_is_on = 0; - priv->encryption_level = 0; + priv->encryption_level = 0; priv->pairwise_cipher_suite = CIPHER_SUITE_NONE; } else { priv->wep_is_on = 1; @@ -1806,15 +1824,14 @@ static int atmel_set_encode(struct net_device *dev, priv->encryption_level = 1; } } - if(dwrq->flags & IW_ENCODE_RESTRICTED) + if (dwrq->flags & IW_ENCODE_RESTRICTED) priv->exclude_unencrypted = 1; - if(dwrq->flags & IW_ENCODE_OPEN) + if(dwrq->flags & IW_ENCODE_OPEN) priv->exclude_unencrypted = 0; - + return -EINPROGRESS; /* Call commit handler */ } - static int atmel_get_encode(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, @@ -1822,7 +1839,7 @@ static int atmel_get_encode(struct net_device *dev, { struct atmel_private *priv = netdev_priv(dev); int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - + if (!priv->wep_is_on) dwrq->flags = IW_ENCODE_DISABLED; else { @@ -1843,10 +1860,185 @@ static int atmel_get_encode(struct net_device *dev, memset(extra, 0, 16); memcpy(extra, priv->wep_keys[index], dwrq->length); } + + return 0; +} + +static int atmel_set_encodeext(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, + char *extra) +{ + struct atmel_private *priv = netdev_priv(dev); + struct iw_point *encoding = &wrqu->encoding; + struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; + int idx, key_len; + + /* Determine and validate the key index */ + idx = encoding->flags & IW_ENCODE_INDEX; + if (idx) { + if (idx < 1 || idx > WEP_KEYS) + return -EINVAL; + idx--; + } else + idx = priv->default_key; + + if ((encoding->flags & IW_ENCODE_DISABLED) || + ext->alg == IW_ENCODE_ALG_NONE) { + priv->wep_is_on = 0; + priv->encryption_level = 0; + priv->pairwise_cipher_suite = CIPHER_SUITE_NONE; + } + + if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) + priv->default_key = idx; + + /* Set the requested key */ + switch (ext->alg) { + case IW_ENCODE_ALG_NONE: + break; + case IW_ENCODE_ALG_WEP: + if (ext->key_len > 5) { + priv->wep_key_len[idx] = 13; + priv->pairwise_cipher_suite = CIPHER_SUITE_WEP_128; + priv->encryption_level = 2; + } else if (ext->key_len > 0) { + priv->wep_key_len[idx] = 5; + priv->pairwise_cipher_suite = CIPHER_SUITE_WEP_64; + priv->encryption_level = 1; + } else { + return -EINVAL; + } + priv->wep_is_on = 1; + memset(priv->wep_keys[idx], 0, 13); + key_len = min ((int)ext->key_len, priv->wep_key_len[idx]); + memcpy(priv->wep_keys[idx], ext->key, key_len); + break; + default: + return -EINVAL; + } + + return -EINPROGRESS; +} + +static int atmel_get_encodeext(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, + char *extra) +{ + struct atmel_private *priv = netdev_priv(dev); + struct iw_point *encoding = &wrqu->encoding; + struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; + int idx, max_key_len; + + max_key_len = encoding->length - sizeof(*ext); + if (max_key_len < 0) + return -EINVAL; + + idx = encoding->flags & IW_ENCODE_INDEX; + if (idx) { + if (idx < 1 || idx > WEP_KEYS) + return -EINVAL; + idx--; + } else + idx = priv->default_key; + + encoding->flags = idx + 1; + memset(ext, 0, sizeof(*ext)); + if (!priv->wep_is_on) { + ext->alg = IW_ENCODE_ALG_NONE; + ext->key_len = 0; + encoding->flags |= IW_ENCODE_DISABLED; + } else { + if (priv->encryption_level > 0) + ext->alg = IW_ENCODE_ALG_WEP; + else + return -EINVAL; + + ext->key_len = priv->wep_key_len[idx]; + memcpy(ext->key, priv->wep_keys[idx], ext->key_len); + encoding->flags |= IW_ENCODE_ENABLED; + } + + return 0; +} + +static int atmel_set_auth(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct atmel_private *priv = netdev_priv(dev); + struct iw_param *param = &wrqu->param; + + switch (param->flags & IW_AUTH_INDEX) { + case IW_AUTH_WPA_VERSION: + case IW_AUTH_CIPHER_PAIRWISE: + case IW_AUTH_CIPHER_GROUP: + case IW_AUTH_KEY_MGMT: + case IW_AUTH_RX_UNENCRYPTED_EAPOL: + case IW_AUTH_PRIVACY_INVOKED: + /* + * atmel does not use these parameters + */ + break; + + case IW_AUTH_DROP_UNENCRYPTED: + priv->exclude_unencrypted = param->value ? 1 : 0; + break; + + case IW_AUTH_80211_AUTH_ALG: { + if (param->value & IW_AUTH_ALG_SHARED_KEY) { + priv->exclude_unencrypted = 1; + } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { + priv->exclude_unencrypted = 0; + } else + return -EINVAL; + break; + } + + case IW_AUTH_WPA_ENABLED: + /* Silently accept disable of WPA */ + if (param->value > 0) + return -EOPNOTSUPP; + break; + + default: + return -EOPNOTSUPP; + } + return -EINPROGRESS; +} + +static int atmel_get_auth(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct atmel_private *priv = netdev_priv(dev); + struct iw_param *param = &wrqu->param; + + switch (param->flags & IW_AUTH_INDEX) { + case IW_AUTH_DROP_UNENCRYPTED: + param->value = priv->exclude_unencrypted; + break; + + case IW_AUTH_80211_AUTH_ALG: + if (priv->exclude_unencrypted == 1) + param->value = IW_AUTH_ALG_SHARED_KEY; + else + param->value = IW_AUTH_ALG_OPEN_SYSTEM; + break; + + case IW_AUTH_WPA_ENABLED: + param->value = 0; + break; + + default: + return -EOPNOTSUPP; + } return 0; } + static int atmel_get_name(struct net_device *dev, struct iw_request_info *info, char *cwrq, @@ -1862,17 +2054,17 @@ static int atmel_set_rate(struct net_device *dev, char *extra) { struct atmel_private *priv = netdev_priv(dev); - + if (vwrq->fixed == 0) { priv->tx_rate = 3; priv->auto_tx_rate = 1; } else { priv->auto_tx_rate = 0; - + /* Which type of value ? */ - if((vwrq->value < 4) && (vwrq->value >= 0)) { + if ((vwrq->value < 4) && (vwrq->value >= 0)) { /* Setting by rate index */ - priv->tx_rate = vwrq->value; + priv->tx_rate = vwrq->value; } else { /* Setting by frequency value */ switch (vwrq->value) { @@ -1899,7 +2091,7 @@ static int atmel_set_mode(struct net_device *dev, return -EINVAL; priv->operating_mode = *uwrq; - return -EINPROGRESS; + return -EINPROGRESS; } static int atmel_get_mode(struct net_device *dev, @@ -1908,7 +2100,7 @@ static int atmel_get_mode(struct net_device *dev, char *extra) { struct atmel_private *priv = netdev_priv(dev); - + *uwrq = priv->operating_mode; return 0; } @@ -1962,9 +2154,9 @@ static int atmel_set_retry(struct net_device *dev, char *extra) { struct atmel_private *priv = netdev_priv(dev); - - if(!vwrq->disabled && (vwrq->flags & IW_RETRY_LIMIT)) { - if(vwrq->flags & IW_RETRY_MAX) + + if (!vwrq->disabled && (vwrq->flags & IW_RETRY_LIMIT)) { + if (vwrq->flags & IW_RETRY_MAX) priv->long_retry = vwrq->value; else if (vwrq->flags & IW_RETRY_MIN) priv->short_retry = vwrq->value; @@ -1973,9 +2165,9 @@ static int atmel_set_retry(struct net_device *dev, priv->long_retry = vwrq->value; priv->short_retry = vwrq->value; } - return -EINPROGRESS; + return -EINPROGRESS; } - + return -EINVAL; } @@ -1989,13 +2181,13 @@ static int atmel_get_retry(struct net_device *dev, vwrq->disabled = 0; /* Can't be disabled */ /* Note : by default, display the min retry number */ - if((vwrq->flags & IW_RETRY_MAX)) { + if (vwrq->flags & IW_RETRY_MAX) { vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX; vwrq->value = priv->long_retry; } else { vwrq->flags = IW_RETRY_LIMIT; vwrq->value = priv->short_retry; - if(priv->long_retry != priv->short_retry) + if (priv->long_retry != priv->short_retry) vwrq->flags |= IW_RETRY_MIN; } @@ -2010,13 +2202,13 @@ static int atmel_set_rts(struct net_device *dev, struct atmel_private *priv = netdev_priv(dev); int rthr = vwrq->value; - if(vwrq->disabled) + if (vwrq->disabled) rthr = 2347; - if((rthr < 0) || (rthr > 2347)) { + if ((rthr < 0) || (rthr > 2347)) { return -EINVAL; } priv->rts_threshold = rthr; - + return -EINPROGRESS; /* Call commit handler */ } @@ -2026,7 +2218,7 @@ static int atmel_get_rts(struct net_device *dev, char *extra) { struct atmel_private *priv = netdev_priv(dev); - + vwrq->value = priv->rts_threshold; vwrq->disabled = (vwrq->value >= 2347); vwrq->fixed = 1; @@ -2042,14 +2234,14 @@ static int atmel_set_frag(struct net_device *dev, struct atmel_private *priv = netdev_priv(dev); int fthr = vwrq->value; - if(vwrq->disabled) + if (vwrq->disabled) fthr = 2346; - if((fthr < 256) || (fthr > 2346)) { + if ((fthr < 256) || (fthr > 2346)) { return -EINVAL; } fthr &= ~0x1; /* Get an even value - is it really needed ??? */ priv->frag_threshold = fthr; - + return -EINPROGRESS; /* Call commit handler */ } @@ -2077,21 +2269,21 @@ static int atmel_set_freq(struct net_device *dev, { struct atmel_private *priv = netdev_priv(dev); int rc = -EINPROGRESS; /* Call commit handler */ - + /* If setting by frequency, convert to a channel */ - if((fwrq->e == 1) && - (fwrq->m >= (int) 241200000) && - (fwrq->m <= (int) 248700000)) { + if ((fwrq->e == 1) && + (fwrq->m >= (int) 241200000) && + (fwrq->m <= (int) 248700000)) { int f = fwrq->m / 100000; int c = 0; - while((c < 14) && (f != frequency_list[c])) + while ((c < 14) && (f != frequency_list[c])) c++; /* Hack to fall through... */ fwrq->e = 0; fwrq->m = c + 1; } /* Setting by channel number */ - if((fwrq->m > 1000) || (fwrq->e > 0)) + if ((fwrq->m > 1000) || (fwrq->e > 0)) rc = -EOPNOTSUPP; else { int channel = fwrq->m; @@ -2099,7 +2291,7 @@ static int atmel_set_freq(struct net_device *dev, priv->channel = channel; } else { rc = -EINVAL; - } + } } return rc; } @@ -2130,7 +2322,7 @@ static int atmel_set_scan(struct net_device *dev, * This is not an error, while the device perform scanning, * traffic doesn't flow, so it's a perfect DoS... * Jean II */ - + if (priv->station_state == STATION_STATE_DOWN) return -EAGAIN; @@ -2142,15 +2334,15 @@ static int atmel_set_scan(struct net_device *dev, /* Initiate a scan command */ if (priv->site_survey_state == SITE_SURVEY_IN_PROGRESS) return -EBUSY; - + del_timer_sync(&priv->management_timer); spin_lock_irqsave(&priv->irqlock, flags); - + priv->site_survey_state = SITE_SURVEY_IN_PROGRESS; priv->fast_scan = 0; atmel_scan(priv, 0); spin_unlock_irqrestore(&priv->irqlock, flags); - + return 0; } @@ -2163,11 +2355,11 @@ static int atmel_get_scan(struct net_device *dev, int i; char *current_ev = extra; struct iw_event iwe; - + if (priv->site_survey_state != SITE_SURVEY_COMPLETED) return -EAGAIN; - - for(i=0; i<priv->BSS_list_entries; i++) { + + for (i = 0; i < priv->BSS_list_entries; i++) { iwe.cmd = SIOCGIWAP; iwe.u.ap_addr.sa_family = ARPHRD_ETHER; memcpy(iwe.u.ap_addr.sa_data, priv->BSSinfo[i].BSSID, 6); @@ -2179,16 +2371,16 @@ static int atmel_get_scan(struct net_device *dev, iwe.cmd = SIOCGIWESSID; iwe.u.data.flags = 1; current_ev = iwe_stream_add_point(current_ev, extra + IW_SCAN_MAX_DATA, &iwe, priv->BSSinfo[i].SSID); - + iwe.cmd = SIOCGIWMODE; iwe.u.mode = priv->BSSinfo[i].BSStype; current_ev = iwe_stream_add_event(current_ev, extra + IW_SCAN_MAX_DATA, &iwe, IW_EV_UINT_LEN); - + iwe.cmd = SIOCGIWFREQ; iwe.u.freq.m = priv->BSSinfo[i].channel; iwe.u.freq.e = 0; current_ev = iwe_stream_add_event(current_ev, extra + IW_SCAN_MAX_DATA, &iwe, IW_EV_FREQ_LEN); - + iwe.cmd = SIOCGIWENCODE; if (priv->BSSinfo[i].UsingWEP) iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; @@ -2196,13 +2388,12 @@ static int atmel_get_scan(struct net_device *dev, iwe.u.data.flags = IW_ENCODE_DISABLED; iwe.u.data.length = 0; current_ev = iwe_stream_add_point(current_ev, extra + IW_SCAN_MAX_DATA, &iwe, NULL); - } /* Length of data */ dwrq->length = (current_ev - extra); - dwrq->flags = 0; - + dwrq->flags = 0; + return 0; } @@ -2213,7 +2404,7 @@ static int atmel_get_range(struct net_device *dev, { struct atmel_private *priv = netdev_priv(dev); struct iw_range *range = (struct iw_range *) extra; - int k,i,j; + int k, i, j; dwrq->length = sizeof(struct iw_range); memset(range, 0, sizeof(struct iw_range)); @@ -2226,14 +2417,14 @@ static int atmel_get_range(struct net_device *dev, break; } if (range->num_channels != 0) { - for(k = 0, i = channel_table[j].min; i <= channel_table[j].max; i++) { + for (k = 0, i = channel_table[j].min; i <= channel_table[j].max; i++) { range->freq[k].i = i; /* List index */ - range->freq[k].m = frequency_list[i-1] * 100000; + range->freq[k].m = frequency_list[i - 1] * 100000; range->freq[k++].e = 1; /* Values in table in MHz -> * 10^5 * 10 */ } range->num_frequency = k; } - + range->max_qual.qual = 100; range->max_qual.level = 100; range->max_qual.noise = 0; @@ -2261,11 +2452,11 @@ static int atmel_get_range(struct net_device *dev, range->encoding_size[1] = 13; range->num_encoding_sizes = 2; range->max_encoding_tokens = 4; - + range->pmp_flags = IW_POWER_ON; range->pmt_flags = IW_POWER_ON; range->pm_capa = 0; - + range->we_version_source = WIRELESS_EXT; range->we_version_compiled = WIRELESS_EXT; range->retry_capa = IW_RETRY_LIMIT ; @@ -2284,21 +2475,23 @@ static int atmel_set_wap(struct net_device *dev, { struct atmel_private *priv = netdev_priv(dev); int i; - static const u8 bcast[] = { 255, 255, 255, 255, 255, 255 }; + static const u8 any[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; + static const u8 off[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; unsigned long flags; if (awrq->sa_family != ARPHRD_ETHER) return -EINVAL; - - if (memcmp(bcast, awrq->sa_data, 6) == 0) { + + if (!memcmp(any, awrq->sa_data, 6) || + !memcmp(off, awrq->sa_data, 6)) { del_timer_sync(&priv->management_timer); spin_lock_irqsave(&priv->irqlock, flags); atmel_scan(priv, 1); spin_unlock_irqrestore(&priv->irqlock, flags); return 0; } - - for(i=0; i<priv->BSS_list_entries; i++) { + + for (i = 0; i < priv->BSS_list_entries; i++) { if (memcmp(priv->BSSinfo[i].BSSID, awrq->sa_data, 6) == 0) { if (!priv->wep_is_on && priv->BSSinfo[i].UsingWEP) { return -EINVAL; @@ -2313,10 +2506,10 @@ static int atmel_set_wap(struct net_device *dev, } } } - + return -EINVAL; } - + static int atmel_config_commit(struct net_device *dev, struct iw_request_info *info, /* NULL */ void *zwrq, /* NULL */ @@ -2325,18 +2518,18 @@ static int atmel_config_commit(struct net_device *dev, return atmel_open(dev); } -static const iw_handler atmel_handler[] = +static const iw_handler atmel_handler[] = { (iw_handler) atmel_config_commit, /* SIOCSIWCOMMIT */ - (iw_handler) atmel_get_name, /* SIOCGIWNAME */ + (iw_handler) atmel_get_name, /* SIOCGIWNAME */ (iw_handler) NULL, /* SIOCSIWNWID */ (iw_handler) NULL, /* SIOCGIWNWID */ (iw_handler) atmel_set_freq, /* SIOCSIWFREQ */ (iw_handler) atmel_get_freq, /* SIOCGIWFREQ */ (iw_handler) atmel_set_mode, /* SIOCSIWMODE */ (iw_handler) atmel_get_mode, /* SIOCGIWMODE */ - (iw_handler) NULL, /* SIOCSIWSENS */ - (iw_handler) NULL, /* SIOCGIWSENS */ + (iw_handler) NULL, /* SIOCSIWSENS */ + (iw_handler) NULL, /* SIOCGIWSENS */ (iw_handler) NULL, /* SIOCSIWRANGE */ (iw_handler) atmel_get_range, /* SIOCGIWRANGE */ (iw_handler) NULL, /* SIOCSIWPRIV */ @@ -2350,13 +2543,13 @@ static const iw_handler atmel_handler[] = (iw_handler) atmel_set_wap, /* SIOCSIWAP */ (iw_handler) atmel_get_wap, /* SIOCGIWAP */ (iw_handler) NULL, /* -- hole -- */ - (iw_handler) NULL, /* SIOCGIWAPLIST */ + (iw_handler) NULL, /* SIOCGIWAPLIST */ (iw_handler) atmel_set_scan, /* SIOCSIWSCAN */ (iw_handler) atmel_get_scan, /* SIOCGIWSCAN */ (iw_handler) atmel_set_essid, /* SIOCSIWESSID */ (iw_handler) atmel_get_essid, /* SIOCGIWESSID */ - (iw_handler) NULL, /* SIOCSIWNICKN */ - (iw_handler) NULL, /* SIOCGIWNICKN */ + (iw_handler) NULL, /* SIOCSIWNICKN */ + (iw_handler) NULL, /* SIOCGIWNICKN */ (iw_handler) NULL, /* -- hole -- */ (iw_handler) NULL, /* -- hole -- */ (iw_handler) atmel_set_rate, /* SIOCSIWRATE */ @@ -2365,49 +2558,70 @@ static const iw_handler atmel_handler[] = (iw_handler) atmel_get_rts, /* SIOCGIWRTS */ (iw_handler) atmel_set_frag, /* SIOCSIWFRAG */ (iw_handler) atmel_get_frag, /* SIOCGIWFRAG */ - (iw_handler) NULL, /* SIOCSIWTXPOW */ - (iw_handler) NULL, /* SIOCGIWTXPOW */ + (iw_handler) NULL, /* SIOCSIWTXPOW */ + (iw_handler) NULL, /* SIOCGIWTXPOW */ (iw_handler) atmel_set_retry, /* SIOCSIWRETRY */ (iw_handler) atmel_get_retry, /* SIOCGIWRETRY */ (iw_handler) atmel_set_encode, /* SIOCSIWENCODE */ (iw_handler) atmel_get_encode, /* SIOCGIWENCODE */ (iw_handler) atmel_set_power, /* SIOCSIWPOWER */ (iw_handler) atmel_get_power, /* SIOCGIWPOWER */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* SIOCSIWGENIE */ + (iw_handler) NULL, /* SIOCGIWGENIE */ + (iw_handler) atmel_set_auth, /* SIOCSIWAUTH */ + (iw_handler) atmel_get_auth, /* SIOCGIWAUTH */ + (iw_handler) atmel_set_encodeext, /* SIOCSIWENCODEEXT */ + (iw_handler) atmel_get_encodeext, /* SIOCGIWENCODEEXT */ + (iw_handler) NULL, /* SIOCSIWPMKSA */ }; - -static const iw_handler atmel_private_handler[] = +static const iw_handler atmel_private_handler[] = { NULL, /* SIOCIWFIRSTPRIV */ }; typedef struct atmel_priv_ioctl { char id[32]; - unsigned char __user *data; - unsigned short len; + unsigned char __user *data; + unsigned short len; } atmel_priv_ioctl; - -#define ATMELFWL SIOCIWFIRSTPRIV -#define ATMELIDIFC ATMELFWL + 1 -#define ATMELRD ATMELFWL + 2 -#define ATMELMAGIC 0x51807 +#define ATMELFWL SIOCIWFIRSTPRIV +#define ATMELIDIFC ATMELFWL + 1 +#define ATMELRD ATMELFWL + 2 +#define ATMELMAGIC 0x51807 #define REGDOMAINSZ 20 static const struct iw_priv_args atmel_private_args[] = { -/*{ cmd, set_args, get_args, name } */ - { ATMELFWL, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | sizeof (atmel_priv_ioctl), IW_PRIV_TYPE_NONE, "atmelfwl" }, - { ATMELIDIFC, IW_PRIV_TYPE_NONE, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "atmelidifc" }, - { ATMELRD, IW_PRIV_TYPE_CHAR | REGDOMAINSZ, IW_PRIV_TYPE_NONE, "regdomain" }, + { + .cmd = ATMELFWL, + .set_args = IW_PRIV_TYPE_BYTE + | IW_PRIV_SIZE_FIXED + | sizeof (atmel_priv_ioctl), + .get_args = IW_PRIV_TYPE_NONE, + .name = "atmelfwl" + }, { + .cmd = ATMELIDIFC, + .set_args = IW_PRIV_TYPE_NONE, + .get_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, + .name = "atmelidifc" + }, { + .cmd = ATMELRD, + .set_args = IW_PRIV_TYPE_CHAR | REGDOMAINSZ, + .get_args = IW_PRIV_TYPE_NONE, + .name = "regdomain" + }, }; -static const struct iw_handler_def atmel_handler_def = +static const struct iw_handler_def atmel_handler_def = { .num_standard = sizeof(atmel_handler)/sizeof(iw_handler), - .num_private = sizeof(atmel_private_handler)/sizeof(iw_handler), - .num_private_args = sizeof(atmel_private_args)/sizeof(struct iw_priv_args), + .num_private = sizeof(atmel_private_handler)/sizeof(iw_handler), + .num_private_args = sizeof(atmel_private_args)/sizeof(struct iw_priv_args), .standard = (iw_handler *) atmel_handler, - .private = (iw_handler *) atmel_private_handler, + .private = (iw_handler *) atmel_private_handler, .private_args = (struct iw_priv_args *) atmel_private_args, .get_wireless_stats = atmel_get_wireless_stats }; @@ -2419,13 +2633,13 @@ static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) atmel_priv_ioctl com; struct iwreq *wrq = (struct iwreq *) rq; unsigned char *new_firmware; - char domain[REGDOMAINSZ+1]; + char domain[REGDOMAINSZ + 1]; switch (cmd) { case ATMELIDIFC: - wrq->u.param.value = ATMELMAGIC; + wrq->u.param.value = ATMELMAGIC; break; - + case ATMELFWL: if (copy_from_user(&com, rq->ifr_data, sizeof(com))) { rc = -EFAULT; @@ -2449,7 +2663,7 @@ static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) } kfree(priv->firmware); - + priv->firmware = new_firmware; priv->firmware_length = com.len; strncpy(priv->firmware_id, com.id, 31); @@ -2461,7 +2675,7 @@ static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) rc = -EFAULT; break; } - + if (!capable(CAP_NET_ADMIN)) { rc = -EPERM; break; @@ -2484,15 +2698,15 @@ static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) rc = 0; } } - + if (rc == 0 && priv->station_state != STATION_STATE_DOWN) rc = atmel_open(dev); break; - + default: rc = -EOPNOTSUPP; } - + return rc; } @@ -2503,17 +2717,17 @@ struct auth_body { u8 el_id; u8 chall_text_len; u8 chall_text[253]; -}; +}; static void atmel_enter_state(struct atmel_private *priv, int new_state) { int old_state = priv->station_state; - + if (new_state == old_state) return; - + priv->station_state = new_state; - + if (new_state == STATION_STATE_READY) { netif_start_queue(priv->dev); netif_carrier_on(priv->dev); @@ -2540,7 +2754,7 @@ static void atmel_scan(struct atmel_private *priv, int specific_ssid) u8 options; u8 SSID_size; } cmd; - + memset(cmd.BSSID, 0xff, 6); if (priv->fast_scan) { @@ -2554,17 +2768,17 @@ static void atmel_scan(struct atmel_private *priv, int specific_ssid) cmd.min_channel_time = cpu_to_le16(10); cmd.max_channel_time = cpu_to_le16(120); } - + cmd.options = 0; - + if (!specific_ssid) cmd.options |= SCAN_OPTIONS_SITE_SURVEY; - - cmd.channel = (priv->channel & 0x7f); + + cmd.channel = (priv->channel & 0x7f); cmd.scan_type = SCAN_TYPE_ACTIVE; - cmd.BSS_type = cpu_to_le16(priv->operating_mode == IW_MODE_ADHOC ? + cmd.BSS_type = cpu_to_le16(priv->operating_mode == IW_MODE_ADHOC ? BSS_TYPE_AD_HOC : BSS_TYPE_INFRASTRUCTURE); - + atmel_send_command(priv, CMD_Scan, &cmd, sizeof(cmd)); /* This must come after all hardware access to avoid being messed up @@ -2591,16 +2805,15 @@ static void join(struct atmel_private *priv, int type) cmd.BSS_type = type; cmd.timeout = cpu_to_le16(2000); - atmel_send_command(priv, CMD_Join, &cmd, sizeof(cmd)); + atmel_send_command(priv, CMD_Join, &cmd, sizeof(cmd)); } - static void start(struct atmel_private *priv, int type) { struct { u8 BSSID[6]; u8 SSID[MAX_SSID_LENGTH]; - u8 BSS_type; + u8 BSS_type; u8 channel; u8 SSID_size; u8 reserved[3]; @@ -2612,13 +2825,14 @@ static void start(struct atmel_private *priv, int type) cmd.BSS_type = type; cmd.channel = (priv->channel & 0x7f); - atmel_send_command(priv, CMD_Start, &cmd, sizeof(cmd)); + atmel_send_command(priv, CMD_Start, &cmd, sizeof(cmd)); } -static void handle_beacon_probe(struct atmel_private *priv, u16 capability, u8 channel) +static void handle_beacon_probe(struct atmel_private *priv, u16 capability, + u8 channel) { int rejoin = 0; - int new = capability & C80211_MGMT_CAPABILITY_ShortPreamble ? + int new = capability & C80211_MGMT_CAPABILITY_ShortPreamble ? SHORT_PREAMBLE : LONG_PREAMBLE; if (priv->preamble != new) { @@ -2626,48 +2840,48 @@ static void handle_beacon_probe(struct atmel_private *priv, u16 capability, u8 c rejoin = 1; atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_PREAMBLE_TYPE, new); } - + if (priv->channel != channel) { priv->channel = channel; rejoin = 1; atmel_set_mib8(priv, Phy_Mib_Type, PHY_MIB_CHANNEL_POS, channel); } - + if (rejoin) { priv->station_is_associated = 0; atmel_enter_state(priv, STATION_STATE_JOINNING); - + if (priv->operating_mode == IW_MODE_INFRA) join(priv, BSS_TYPE_INFRASTRUCTURE); - else + else join(priv, BSS_TYPE_AD_HOC); - } + } } - -static void send_authentication_request(struct atmel_private *priv, u16 system, u8 *challenge, int challenge_len) +static void send_authentication_request(struct atmel_private *priv, u16 system, + u8 *challenge, int challenge_len) { struct ieee80211_hdr_4addr header; struct auth_body auth; - - header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); - header.duration_id = cpu_to_le16(0x8000); + + header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); + header.duration_id = cpu_to_le16(0x8000); header.seq_ctl = 0; memcpy(header.addr1, priv->CurrentBSSID, 6); memcpy(header.addr2, priv->dev->dev_addr, 6); memcpy(header.addr3, priv->CurrentBSSID, 6); - - if (priv->wep_is_on && priv->CurrentAuthentTransactionSeqNum != 1) + + if (priv->wep_is_on && priv->CurrentAuthentTransactionSeqNum != 1) /* no WEP for authentication frames with TrSeqNo 1 */ header.frame_ctl |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); - - auth.alg = cpu_to_le16(system); + + auth.alg = cpu_to_le16(system); auth.status = 0; auth.trans_seq = cpu_to_le16(priv->CurrentAuthentTransactionSeqNum); - priv->ExpectedAuthentTransactionSeqNum = priv->CurrentAuthentTransactionSeqNum+1; + priv->ExpectedAuthentTransactionSeqNum = priv->CurrentAuthentTransactionSeqNum+1; priv->CurrentAuthentTransactionSeqNum += 2; - + if (challenge_len != 0) { auth.el_id = 16; /* challenge_text */ auth.chall_text_len = challenge_len; @@ -2685,7 +2899,7 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) struct ieee80211_hdr_4addr header; struct ass_req_format { u16 capability; - u16 listen_interval; + u16 listen_interval; u8 ap[6]; /* nothing after here directly accessible */ u8 ssid_el_id; u8 ssid_len; @@ -2694,15 +2908,15 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) u8 sup_rates_len; u8 rates[4]; } body; - - header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | + + header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | (is_reassoc ? IEEE80211_STYPE_REASSOC_REQ : IEEE80211_STYPE_ASSOC_REQ)); header.duration_id = cpu_to_le16(0x8000); header.seq_ctl = 0; - memcpy(header.addr1, priv->CurrentBSSID, 6); + memcpy(header.addr1, priv->CurrentBSSID, 6); memcpy(header.addr2, priv->dev->dev_addr, 6); - memcpy(header.addr3, priv->CurrentBSSID, 6); + memcpy(header.addr3, priv->CurrentBSSID, 6); body.capability = cpu_to_le16(C80211_MGMT_CAPABILITY_ESS); if (priv->wep_is_on) @@ -2711,18 +2925,18 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) body.capability |= cpu_to_le16(C80211_MGMT_CAPABILITY_ShortPreamble); body.listen_interval = cpu_to_le16(priv->listen_interval * priv->beacon_period); - + /* current AP address - only in reassoc frame */ if (is_reassoc) { - memcpy(body.ap, priv->CurrentBSSID, 6); + memcpy(body.ap, priv->CurrentBSSID, 6); ssid_el_p = (u8 *)&body.ssid_el_id; bodysize = 18 + priv->SSID_size; } else { ssid_el_p = (u8 *)&body.ap[0]; bodysize = 12 + priv->SSID_size; } - - ssid_el_p[0]= C80211_MGMT_ElementID_SSID; + + ssid_el_p[0] = C80211_MGMT_ElementID_SSID; ssid_el_p[1] = priv->SSID_size; memcpy(ssid_el_p + 2, priv->SSID, priv->SSID_size); ssid_el_p[2 + priv->SSID_size] = C80211_MGMT_ElementID_SupportedRates; @@ -2732,7 +2946,8 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) atmel_transmit_management_frame(priv, &header, (void *)&body, bodysize); } -static int is_frame_from_current_bss(struct atmel_private *priv, struct ieee80211_hdr_4addr *header) +static int is_frame_from_current_bss(struct atmel_private *priv, + struct ieee80211_hdr_4addr *header) { if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS) return memcmp(header->addr3, priv->CurrentBSSID, 6) == 0; @@ -2745,29 +2960,29 @@ static int retrieve_bss(struct atmel_private *priv) int i; int max_rssi = -128; int max_index = -1; - + if (priv->BSS_list_entries == 0) return -1; - + if (priv->connect_to_any_BSS) { - /* Select a BSS with the max-RSSI but of the same type and of the same WEP mode - and that it is not marked as 'bad' (i.e. we had previously failed to connect to - this BSS with the settings that we currently use) */ + /* Select a BSS with the max-RSSI but of the same type and of + the same WEP mode and that it is not marked as 'bad' (i.e. + we had previously failed to connect to this BSS with the + settings that we currently use) */ priv->current_BSS = 0; - for(i=0; i<priv->BSS_list_entries; i++) { + for (i = 0; i < priv->BSS_list_entries; i++) { if (priv->operating_mode == priv->BSSinfo[i].BSStype && - ((!priv->wep_is_on && !priv->BSSinfo[i].UsingWEP) || + ((!priv->wep_is_on && !priv->BSSinfo[i].UsingWEP) || (priv->wep_is_on && priv->BSSinfo[i].UsingWEP)) && !(priv->BSSinfo[i].channel & 0x80)) { max_rssi = priv->BSSinfo[i].RSSI; priv->current_BSS = max_index = i; } - } return max_index; } - - for(i=0; i<priv->BSS_list_entries; i++) { + + for (i = 0; i < priv->BSS_list_entries; i++) { if (priv->SSID_size == priv->BSSinfo[i].SSIDsize && memcmp(priv->SSID, priv->BSSinfo[i].SSID, priv->SSID_size) == 0 && priv->operating_mode == priv->BSSinfo[i].BSStype && @@ -2781,19 +2996,19 @@ static int retrieve_bss(struct atmel_private *priv) return max_index; } - -static void store_bss_info(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, - u16 capability, u16 beacon_period, u8 channel, u8 rssi, - u8 ssid_len, u8 *ssid, int is_beacon) +static void store_bss_info(struct atmel_private *priv, + struct ieee80211_hdr_4addr *header, u16 capability, + u16 beacon_period, u8 channel, u8 rssi, u8 ssid_len, + u8 *ssid, int is_beacon) { u8 *bss = capability & C80211_MGMT_CAPABILITY_ESS ? header->addr2 : header->addr3; int i, index; - - for (index = -1, i = 0; i < priv->BSS_list_entries; i++) - if (memcmp(bss, priv->BSSinfo[i].BSSID, 6) == 0) + + for (index = -1, i = 0; i < priv->BSS_list_entries; i++) + if (memcmp(bss, priv->BSSinfo[i].BSSID, 6) == 0) index = i; - /* If we process a probe and an entry from this BSS exists + /* If we process a probe and an entry from this BSS exists we will update the BSS entry with the info from this BSS. If we process a beacon we will only update RSSI */ @@ -2820,8 +3035,8 @@ static void store_bss_info(struct atmel_private *priv, struct ieee80211_hdr_4add priv->BSSinfo[index].BSStype = IW_MODE_ADHOC; else if (capability & C80211_MGMT_CAPABILITY_ESS) priv->BSSinfo[index].BSStype =IW_MODE_INFRA; - - priv->BSSinfo[index].preamble = capability & C80211_MGMT_CAPABILITY_ShortPreamble ? + + priv->BSSinfo[index].preamble = capability & C80211_MGMT_CAPABILITY_ShortPreamble ? SHORT_PREAMBLE : LONG_PREAMBLE; } @@ -2831,8 +3046,8 @@ static void authenticate(struct atmel_private *priv, u16 frame_len) u16 status = le16_to_cpu(auth->status); u16 trans_seq_no = le16_to_cpu(auth->trans_seq); u16 system = le16_to_cpu(auth->alg); - - if (status == C80211_MGMT_SC_Success && !priv->wep_is_on) { + + if (status == C80211_MGMT_SC_Success && !priv->wep_is_on) { /* no WEP */ if (priv->station_was_associated) { atmel_enter_state(priv, STATION_STATE_REASSOCIATING); @@ -2842,20 +3057,20 @@ static void authenticate(struct atmel_private *priv, u16 frame_len) atmel_enter_state(priv, STATION_STATE_ASSOCIATING); send_association_request(priv, 0); return; - } + } } - - if (status == C80211_MGMT_SC_Success && priv->wep_is_on) { + + if (status == C80211_MGMT_SC_Success && priv->wep_is_on) { /* WEP */ if (trans_seq_no != priv->ExpectedAuthentTransactionSeqNum) return; - + if (trans_seq_no == 0x0002 && auth->el_id == C80211_MGMT_ElementID_ChallengeText) { send_authentication_request(priv, system, auth->chall_text, auth->chall_text_len); return; } - + if (trans_seq_no == 0x0004) { if(priv->station_was_associated) { atmel_enter_state(priv, STATION_STATE_REASSOCIATING); @@ -2865,10 +3080,10 @@ static void authenticate(struct atmel_private *priv, u16 frame_len) atmel_enter_state(priv, STATION_STATE_ASSOCIATING); send_association_request(priv, 0); return; - } + } } - } - + } + if (status == C80211_MGMT_SC_AuthAlgNotSupported) { /* Do opensystem first, then try sharedkey */ if (system == C80211_MGMT_AAN_OPENSYSTEM) { @@ -2876,17 +3091,16 @@ static void authenticate(struct atmel_private *priv, u16 frame_len) send_authentication_request(priv, C80211_MGMT_AAN_SHAREDKEY, NULL, 0); } else if (priv->connect_to_any_BSS) { int bss_index; - + priv->BSSinfo[(int)(priv->current_BSS)].channel |= 0x80; - + if ((bss_index = retrieve_bss(priv)) != -1) { atmel_join_bss(priv, bss_index); return; } } } - - + priv->AuthenticationRequestRetryCnt = 0; atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); priv->station_is_associated = 0; @@ -2902,38 +3116,54 @@ static void associate(struct atmel_private *priv, u16 frame_len, u16 subtype) u8 length; u8 rates[4]; } *ass_resp = (struct ass_resp_format *)priv->rx_buf; - - u16 status = le16_to_cpu(ass_resp->status); + + u16 status = le16_to_cpu(ass_resp->status); u16 ass_id = le16_to_cpu(ass_resp->ass_id); - u16 rates_len = ass_resp->length > 4 ? 4 : ass_resp->length; - + u16 rates_len = ass_resp->length > 4 ? 4 : ass_resp->length; + + union iwreq_data wrqu; + if (frame_len < 8 + rates_len) return; - + if (status == C80211_MGMT_SC_Success) { if (subtype == C80211_SUBTYPE_MGMT_ASS_RESPONSE) priv->AssociationRequestRetryCnt = 0; else priv->ReAssociationRequestRetryCnt = 0; - - atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_STATION_ID_POS, ass_id & 0x3fff); - atmel_set_mib(priv, Phy_Mib_Type, PHY_MIB_RATE_SET_POS, ass_resp->rates, rates_len); + + atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, + MAC_MGMT_MIB_STATION_ID_POS, ass_id & 0x3fff); + atmel_set_mib(priv, Phy_Mib_Type, + PHY_MIB_RATE_SET_POS, ass_resp->rates, rates_len); if (priv->power_mode == 0) { priv->listen_interval = 1; - atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE); - atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1); + atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, + MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE); + atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, + MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1); } else { priv->listen_interval = 2; - atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_PS_MODE_POS, PS_MODE); - atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 2); + atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, + MAC_MGMT_MIB_PS_MODE_POS, PS_MODE); + atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, + MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 2); } - + priv->station_is_associated = 1; priv->station_was_associated = 1; atmel_enter_state(priv, STATION_STATE_READY); + + /* Send association event to userspace */ + wrqu.data.length = 0; + wrqu.data.flags = 0; + memcpy(wrqu.ap_addr.sa_data, priv->CurrentBSSID, ETH_ALEN); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); + return; } - + if (subtype == C80211_SUBTYPE_MGMT_ASS_RESPONSE && status != C80211_MGMT_SC_AssDeniedBSSRate && status != C80211_MGMT_SC_SupportCapabilities && @@ -2943,7 +3173,7 @@ static void associate(struct atmel_private *priv, u16 frame_len, u16 subtype) send_association_request(priv, 0); return; } - + if (subtype == C80211_SUBTYPE_MGMT_REASS_RESPONSE && status != C80211_MGMT_SC_AssDeniedBSSRate && status != C80211_MGMT_SC_SupportCapabilities && @@ -2953,17 +3183,16 @@ static void associate(struct atmel_private *priv, u16 frame_len, u16 subtype) send_association_request(priv, 1); return; } - + atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); priv->station_is_associated = 0; - - if(priv->connect_to_any_BSS) { + + if (priv->connect_to_any_BSS) { int bss_index; priv->BSSinfo[(int)(priv->current_BSS)].channel |= 0x80; - - if ((bss_index = retrieve_bss(priv)) != -1) + + if ((bss_index = retrieve_bss(priv)) != -1) atmel_join_bss(priv, bss_index); - } } @@ -2977,7 +3206,7 @@ void atmel_join_bss(struct atmel_private *priv, int bss_index) /* The WPA stuff cares about the current AP address */ if (priv->use_wpa) build_wpa_mib(priv); - + /* When switching to AdHoc turn OFF Power Save if needed */ if (bss->BSStype == IW_MODE_ADHOC && @@ -2985,25 +3214,28 @@ void atmel_join_bss(struct atmel_private *priv, int bss_index) priv->power_mode) { priv->power_mode = 0; priv->listen_interval = 1; - atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE); - atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1); + atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, + MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE); + atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, + MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1); } - + priv->operating_mode = bss->BSStype; - priv->channel = bss->channel & 0x7f; + priv->channel = bss->channel & 0x7f; priv->beacon_period = bss->beacon_period; - + if (priv->preamble != bss->preamble) { priv->preamble = bss->preamble; - atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_PREAMBLE_TYPE, bss->preamble); + atmel_set_mib8(priv, Local_Mib_Type, + LOCAL_MIB_PREAMBLE_TYPE, bss->preamble); } - + if (!priv->wep_is_on && bss->UsingWEP) { atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); priv->station_is_associated = 0; return; } - + if (priv->wep_is_on && !bss->UsingWEP) { atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); priv->station_is_associated = 0; @@ -3011,30 +3243,28 @@ void atmel_join_bss(struct atmel_private *priv, int bss_index) } atmel_enter_state(priv, STATION_STATE_JOINNING); - + if (priv->operating_mode == IW_MODE_INFRA) join(priv, BSS_TYPE_INFRASTRUCTURE); - else + else join(priv, BSS_TYPE_AD_HOC); } - static void restart_search(struct atmel_private *priv) { int bss_index; - + if (!priv->connect_to_any_BSS) { atmel_scan(priv, 1); } else { priv->BSSinfo[(int)(priv->current_BSS)].channel |= 0x80; - - if ((bss_index = retrieve_bss(priv)) != -1) + + if ((bss_index = retrieve_bss(priv)) != -1) atmel_join_bss(priv, bss_index); else atmel_scan(priv, 0); - - } -} + } +} static void smooth_rssi(struct atmel_private *priv, u8 rssi) { @@ -3050,21 +3280,21 @@ static void smooth_rssi(struct atmel_private *priv, u8 rssi) } rssi = rssi * 100 / max_rssi; - if((rssi + old) % 2) - priv->wstats.qual.level = ((rssi + old)/2) + 1; + if ((rssi + old) % 2) + priv->wstats.qual.level = (rssi + old) / 2 + 1; else - priv->wstats.qual.level = ((rssi + old)/2); + priv->wstats.qual.level = (rssi + old) / 2; priv->wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; priv->wstats.qual.updated &= ~IW_QUAL_LEVEL_INVALID; } static void atmel_smooth_qual(struct atmel_private *priv) { - unsigned long time_diff = (jiffies - priv->last_qual)/HZ; + unsigned long time_diff = (jiffies - priv->last_qual) / HZ; while (time_diff--) { priv->last_qual += HZ; - priv->wstats.qual.qual = priv->wstats.qual.qual/2; - priv->wstats.qual.qual += + priv->wstats.qual.qual = priv->wstats.qual.qual / 2; + priv->wstats.qual.qual += priv->beacons_this_sec * priv->beacon_period * (priv->wstats.qual.level + 100) / 4000; priv->beacons_this_sec = 0; } @@ -3073,15 +3303,17 @@ static void atmel_smooth_qual(struct atmel_private *priv) } /* deals with incoming managment frames. */ -static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, - u16 frame_len, u8 rssi) +static void atmel_management_frame(struct atmel_private *priv, + struct ieee80211_hdr_4addr *header, + u16 frame_len, u8 rssi) { u16 subtype; - - switch (subtype = le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_STYPE) { - case C80211_SUBTYPE_MGMT_BEACON : + + subtype = le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_STYPE; + switch (subtype) { + case C80211_SUBTYPE_MGMT_BEACON: case C80211_SUBTYPE_MGMT_ProbeResponse: - + /* beacon frame has multiple variable-length fields - never let an engineer loose with a data structure design. */ { @@ -3099,7 +3331,7 @@ static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_ u8 ds_length; /* ds here */ } *beacon = (struct beacon_format *)priv->rx_buf; - + u8 channel, rates_length, ssid_length; u64 timestamp = le64_to_cpu(beacon->timestamp); u16 beacon_interval = le16_to_cpu(beacon->interval); @@ -3107,7 +3339,7 @@ static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_ u8 *beaconp = priv->rx_buf; ssid_length = beacon->ssid_length; /* this blows chunks. */ - if (frame_len < 14 || frame_len < ssid_length + 15) + if (frame_len < 14 || frame_len < ssid_length + 15) return; rates_length = beaconp[beacon->ssid_length + 15]; if (frame_len < ssid_length + rates_length + 18) @@ -3115,10 +3347,10 @@ static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_ if (ssid_length > MAX_SSID_LENGTH) return; channel = beaconp[ssid_length + rates_length + 18]; - + if (priv->station_state == STATION_STATE_READY) { smooth_rssi(priv, rssi); - if (is_frame_from_current_bss(priv, header)) { + if (is_frame_from_current_bss(priv, header)) { priv->beacons_this_sec++; atmel_smooth_qual(priv); if (priv->last_beacon_timestamp) { @@ -3132,41 +3364,43 @@ static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_ handle_beacon_probe(priv, capability, channel); } } - - if (priv->station_state == STATION_STATE_SCANNING ) - store_bss_info(priv, header, capability, beacon_interval, channel, - rssi, ssid_length, &beacon->rates_el_id, - subtype == C80211_SUBTYPE_MGMT_BEACON) ; + + if (priv->station_state == STATION_STATE_SCANNING) + store_bss_info(priv, header, capability, + beacon_interval, channel, rssi, + ssid_length, + &beacon->rates_el_id, + subtype == C80211_SUBTYPE_MGMT_BEACON); } break; - + case C80211_SUBTYPE_MGMT_Authentication: if (priv->station_state == STATION_STATE_AUTHENTICATING) authenticate(priv, frame_len); - + break; - + case C80211_SUBTYPE_MGMT_ASS_RESPONSE: case C80211_SUBTYPE_MGMT_REASS_RESPONSE: - - if (priv->station_state == STATION_STATE_ASSOCIATING || + + if (priv->station_state == STATION_STATE_ASSOCIATING || priv->station_state == STATION_STATE_REASSOCIATING) associate(priv, frame_len, subtype); - + break; case C80211_SUBTYPE_MGMT_DISASSOSIATION: - if (priv->station_is_associated && - priv->operating_mode == IW_MODE_INFRA && + if (priv->station_is_associated && + priv->operating_mode == IW_MODE_INFRA && is_frame_from_current_bss(priv, header)) { priv->station_was_associated = 0; priv->station_is_associated = 0; - + atmel_enter_state(priv, STATION_STATE_JOINNING); join(priv, BSS_TYPE_INFRASTRUCTURE); } - + break; case C80211_SUBTYPE_MGMT_Deauthentication: @@ -3177,7 +3411,7 @@ static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_ atmel_enter_state(priv, STATION_STATE_JOINNING); join(priv, BSS_TYPE_INFRASTRUCTURE); } - + break; } } @@ -3185,76 +3419,73 @@ static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_ /* run when timer expires */ static void atmel_management_timer(u_long a) { - struct net_device *dev = (struct net_device *) a; - struct atmel_private *priv = netdev_priv(dev); - unsigned long flags; - - /* Check if the card has been yanked. */ - if (priv->card && priv->present_callback && - !(*priv->present_callback)(priv->card)) - return; - - spin_lock_irqsave(&priv->irqlock, flags); - - switch (priv->station_state) { - - case STATION_STATE_AUTHENTICATING: - if (priv->AuthenticationRequestRetryCnt >= MAX_AUTHENTICATION_RETRIES) { - atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); - priv->station_is_associated = 0; - priv->AuthenticationRequestRetryCnt = 0; - restart_search(priv); - } else { - priv->AuthenticationRequestRetryCnt++; - priv->CurrentAuthentTransactionSeqNum = 0x0001; - mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES); - send_authentication_request(priv, C80211_MGMT_AAN_OPENSYSTEM, NULL, 0); - } - - break; + struct net_device *dev = (struct net_device *) a; + struct atmel_private *priv = netdev_priv(dev); + unsigned long flags; - case STATION_STATE_ASSOCIATING: - if (priv->AssociationRequestRetryCnt == MAX_ASSOCIATION_RETRIES) { - atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); - priv->station_is_associated = 0; - priv->AssociationRequestRetryCnt = 0; - restart_search(priv); - } else { - priv->AssociationRequestRetryCnt++; - mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES); - send_association_request(priv, 0); - } + /* Check if the card has been yanked. */ + if (priv->card && priv->present_callback && + !(*priv->present_callback)(priv->card)) + return; - break; - - case STATION_STATE_REASSOCIATING: - if (priv->ReAssociationRequestRetryCnt == MAX_ASSOCIATION_RETRIES) { - atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); - priv->station_is_associated = 0; - priv->ReAssociationRequestRetryCnt = 0; - restart_search(priv); - } else { - priv->ReAssociationRequestRetryCnt++; - mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES); - send_association_request(priv, 1); - } + spin_lock_irqsave(&priv->irqlock, flags); + + switch (priv->station_state) { + case STATION_STATE_AUTHENTICATING: + if (priv->AuthenticationRequestRetryCnt >= MAX_AUTHENTICATION_RETRIES) { + atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); + priv->station_is_associated = 0; + priv->AuthenticationRequestRetryCnt = 0; + restart_search(priv); + } else { + priv->AuthenticationRequestRetryCnt++; + priv->CurrentAuthentTransactionSeqNum = 0x0001; + mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES); + send_authentication_request(priv, C80211_MGMT_AAN_OPENSYSTEM, NULL, 0); + } break; - - default: + + case STATION_STATE_ASSOCIATING: + if (priv->AssociationRequestRetryCnt == MAX_ASSOCIATION_RETRIES) { + atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); + priv->station_is_associated = 0; + priv->AssociationRequestRetryCnt = 0; + restart_search(priv); + } else { + priv->AssociationRequestRetryCnt++; + mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES); + send_association_request(priv, 0); + } break; - } - - spin_unlock_irqrestore(&priv->irqlock, flags); + + case STATION_STATE_REASSOCIATING: + if (priv->ReAssociationRequestRetryCnt == MAX_ASSOCIATION_RETRIES) { + atmel_enter_state(priv, STATION_STATE_MGMT_ERROR); + priv->station_is_associated = 0; + priv->ReAssociationRequestRetryCnt = 0; + restart_search(priv); + } else { + priv->ReAssociationRequestRetryCnt++; + mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES); + send_association_request(priv, 1); + } + break; + + default: + break; + } + + spin_unlock_irqrestore(&priv->irqlock, flags); } - + static void atmel_command_irq(struct atmel_private *priv) { u8 status = atmel_rmem8(priv, atmel_co(priv, CMD_BLOCK_STATUS_OFFSET)); u8 command = atmel_rmem8(priv, atmel_co(priv, CMD_BLOCK_COMMAND_OFFSET)); int fast_scan; - - if (status == CMD_STATUS_IDLE || + + if (status == CMD_STATUS_IDLE || status == CMD_STATUS_IN_PROGRESS) return; @@ -3266,20 +3497,20 @@ static void atmel_command_irq(struct atmel_private *priv) atmel_get_mib(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_CUR_BSSID_POS, (u8 *)priv->CurrentBSSID, 6); atmel_enter_state(priv, STATION_STATE_READY); - } + } break; - + case CMD_Scan: fast_scan = priv->fast_scan; priv->fast_scan = 0; - + if (status != CMD_STATUS_COMPLETE) { atmel_scan(priv, 1); } else { int bss_index = retrieve_bss(priv); if (bss_index != -1) { atmel_join_bss(priv, bss_index); - } else if (priv->operating_mode == IW_MODE_ADHOC && + } else if (priv->operating_mode == IW_MODE_ADHOC && priv->SSID_size != 0) { start(priv, BSS_TYPE_AD_HOC); } else { @@ -3289,16 +3520,16 @@ static void atmel_command_irq(struct atmel_private *priv) priv->site_survey_state = SITE_SURVEY_COMPLETED; } break; - + case CMD_SiteSurvey: priv->fast_scan = 0; - + if (status != CMD_STATUS_COMPLETE) return; - + priv->site_survey_state = SITE_SURVEY_COMPLETED; if (priv->station_is_associated) { - atmel_enter_state(priv, STATION_STATE_READY); + atmel_enter_state(priv, STATION_STATE_READY); } else { atmel_scan(priv, 1); } @@ -3312,16 +3543,15 @@ static void atmel_command_irq(struct atmel_private *priv) } else { priv->AuthenticationRequestRetryCnt = 0; atmel_enter_state(priv, STATION_STATE_AUTHENTICATING); - + mod_timer(&priv->management_timer, jiffies + MGMT_JIFFIES); priv->CurrentAuthentTransactionSeqNum = 0x0001; send_authentication_request(priv, C80211_MGMT_AAN_SHAREDKEY, NULL, 0); } return; } - + atmel_scan(priv, 1); - } } @@ -3333,20 +3563,20 @@ static int atmel_wakeup_firmware(struct atmel_private *priv) if (priv->card_type == CARD_TYPE_SPI_FLASH) atmel_set_gcr(priv->dev, GCR_REMAP); - + /* wake up on-board processor */ atmel_clear_gcr(priv->dev, 0x0040); atmel_write16(priv->dev, BSR, BSS_SRAM); - + if (priv->card_type == CARD_TYPE_SPI_FLASH) mdelay(100); /* and wait for it */ - for (i = LOOP_RETRY_LIMIT; i; i--) { + for (i = LOOP_RETRY_LIMIT; i; i--) { mr1 = atmel_read16(priv->dev, MR1); mr3 = atmel_read16(priv->dev, MR3); - - if (mr3 & MAC_BOOT_COMPLETE) + + if (mr3 & MAC_BOOT_COMPLETE) break; if (mr1 & MAC_BOOT_COMPLETE && priv->bus_type == BUS_TYPE_PCCARD) @@ -3357,35 +3587,36 @@ static int atmel_wakeup_firmware(struct atmel_private *priv) printk(KERN_ALERT "%s: MAC failed to boot.\n", priv->dev->name); return 0; } - + if ((priv->host_info_base = atmel_read16(priv->dev, MR2)) == 0xffff) { printk(KERN_ALERT "%s: card missing.\n", priv->dev->name); return 0; } - - /* now check for completion of MAC initialization through - the FunCtrl field of the IFACE, poll MR1 to detect completion of - MAC initialization, check completion status, set interrupt mask, - enables interrupts and calls Tx and Rx initialization functions */ - + + /* now check for completion of MAC initialization through + the FunCtrl field of the IFACE, poll MR1 to detect completion of + MAC initialization, check completion status, set interrupt mask, + enables interrupts and calls Tx and Rx initialization functions */ + atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET), FUNC_CTRL_INIT_COMPLETE); - - for (i = LOOP_RETRY_LIMIT; i; i--) { + + for (i = LOOP_RETRY_LIMIT; i; i--) { mr1 = atmel_read16(priv->dev, MR1); mr3 = atmel_read16(priv->dev, MR3); - - if (mr3 & MAC_INIT_COMPLETE) + + if (mr3 & MAC_INIT_COMPLETE) break; if (mr1 & MAC_INIT_COMPLETE && priv->bus_type == BUS_TYPE_PCCARD) break; } - + if (i == 0) { - printk(KERN_ALERT "%s: MAC failed to initialise.\n", priv->dev->name); + printk(KERN_ALERT "%s: MAC failed to initialise.\n", + priv->dev->name); return 0; } - + /* Check for MAC_INIT_OK only on the register that the MAC_INIT_OK was set */ if ((mr3 & MAC_INIT_COMPLETE) && !(atmel_read16(priv->dev, MR3) & MAC_INIT_OK)) { @@ -3398,9 +3629,9 @@ static int atmel_wakeup_firmware(struct atmel_private *priv) return 0; } - atmel_copy_to_host(priv->dev, (unsigned char *)iface, + atmel_copy_to_host(priv->dev, (unsigned char *)iface, priv->host_info_base, sizeof(*iface)); - + iface->tx_buff_pos = le16_to_cpu(iface->tx_buff_pos); iface->tx_buff_size = le16_to_cpu(iface->tx_buff_size); iface->tx_desc_pos = le16_to_cpu(iface->tx_desc_pos); @@ -3424,16 +3655,16 @@ static int probe_atmel_card(struct net_device *dev) { int rc = 0; struct atmel_private *priv = netdev_priv(dev); - + /* reset pccard */ - if (priv->bus_type == BUS_TYPE_PCCARD) + if (priv->bus_type == BUS_TYPE_PCCARD) atmel_write16(dev, GCR, 0x0060); - + atmel_write16(dev, GCR, 0x0040); mdelay(500); - + if (atmel_read16(dev, MR2) == 0) { - /* No stored firmware so load a small stub which just + /* No stored firmware so load a small stub which just tells us the MAC address */ int i; priv->card_type = CARD_TYPE_EEPROM; @@ -3442,7 +3673,7 @@ static int probe_atmel_card(struct net_device *dev) atmel_set_gcr(dev, GCR_REMAP); atmel_clear_gcr(priv->dev, 0x0040); atmel_write16(dev, BSR, BSS_SRAM); - for (i = LOOP_RETRY_LIMIT; i; i--) + for (i = LOOP_RETRY_LIMIT; i; i--) if (atmel_read16(dev, MR3) & MAC_BOOT_COMPLETE) break; if (i == 0) { @@ -3451,7 +3682,7 @@ static int probe_atmel_card(struct net_device *dev) atmel_copy_to_host(dev, dev->dev_addr, atmel_read16(dev, MR2), 6); /* got address, now squash it again until the network interface is opened */ - if (priv->bus_type == BUS_TYPE_PCCARD) + if (priv->bus_type == BUS_TYPE_PCCARD) atmel_write16(dev, GCR, 0x0060); atmel_write16(dev, GCR, 0x0040); rc = 1; @@ -3459,7 +3690,7 @@ static int probe_atmel_card(struct net_device *dev) } else if (atmel_read16(dev, MR4) == 0) { /* Mac address easy in this case. */ priv->card_type = CARD_TYPE_PARALLEL_FLASH; - atmel_write16(dev, BSR, 1); + atmel_write16(dev, BSR, 1); atmel_copy_to_host(dev, dev->dev_addr, 0xc000, 6); atmel_write16(dev, BSR, 0x200); rc = 1; @@ -3469,16 +3700,16 @@ static int probe_atmel_card(struct net_device *dev) priv->card_type = CARD_TYPE_SPI_FLASH; if (atmel_wakeup_firmware(priv)) { atmel_get_mib(priv, Mac_Address_Mib_Type, 0, dev->dev_addr, 6); - + /* got address, now squash it again until the network interface is opened */ - if (priv->bus_type == BUS_TYPE_PCCARD) + if (priv->bus_type == BUS_TYPE_PCCARD) atmel_write16(dev, GCR, 0x0060); atmel_write16(dev, GCR, 0x0040); rc = 1; } } - + if (rc) { if (dev->dev_addr[0] == 0xFF) { u8 default_mac[] = {0x00,0x04, 0x25, 0x00, 0x00, 0x00}; @@ -3486,27 +3717,27 @@ static int probe_atmel_card(struct net_device *dev) memcpy(dev->dev_addr, default_mac, 6); } } - + return rc; } -static void build_wep_mib(struct atmel_private *priv) /* Move the encyption information on the MIB structure. This routine is for the pre-WPA firmware: later firmware has a different format MIB and a different routine. */ +static void build_wep_mib(struct atmel_private *priv) { struct { /* NB this is matched to the hardware, don't change. */ - u8 wep_is_on; + u8 wep_is_on; u8 default_key; /* 0..3 */ u8 reserved; u8 exclude_unencrypted; - + u32 WEPICV_error_count; u32 WEP_excluded_count; - + u8 wep_keys[MAX_ENCRYPTION_KEYS][13]; - u8 encryption_level; /* 0, 1, 2 */ - u8 reserved2[3]; + u8 encryption_level; /* 0, 1, 2 */ + u8 reserved2[3]; } mib; int i; @@ -3515,54 +3746,55 @@ static void build_wep_mib(struct atmel_private *priv) if (priv->wep_key_len[priv->default_key] > 5) mib.encryption_level = 2; else - mib.encryption_level = 1; + mib.encryption_level = 1; } else { mib.encryption_level = 0; } mib.default_key = priv->default_key; mib.exclude_unencrypted = priv->exclude_unencrypted; - - for(i = 0; i < MAX_ENCRYPTION_KEYS; i++) + + for (i = 0; i < MAX_ENCRYPTION_KEYS; i++) memcpy(mib.wep_keys[i], priv->wep_keys[i], 13); - + atmel_set_mib(priv, Mac_Wep_Mib_Type, 0, (u8 *)&mib, sizeof(mib)); } static void build_wpa_mib(struct atmel_private *priv) { - /* This is for the later (WPA enabled) firmware. */ + /* This is for the later (WPA enabled) firmware. */ struct { /* NB this is matched to the hardware, don't change. */ u8 cipher_default_key_value[MAX_ENCRYPTION_KEYS][MAX_ENCRYPTION_KEY_SIZE]; u8 receiver_address[6]; - u8 wep_is_on; + u8 wep_is_on; u8 default_key; /* 0..3 */ u8 group_key; u8 exclude_unencrypted; u8 encryption_type; u8 reserved; - + u32 WEPICV_error_count; u32 WEP_excluded_count; - + u8 key_RSC[4][8]; } mib; - + int i; mib.wep_is_on = priv->wep_is_on; mib.exclude_unencrypted = priv->exclude_unencrypted; memcpy(mib.receiver_address, priv->CurrentBSSID, 6); - + /* zero all the keys before adding in valid ones. */ memset(mib.cipher_default_key_value, 0, sizeof(mib.cipher_default_key_value)); - + if (priv->wep_is_on) { - /* There's a comment in the Atmel code to the effect that this is only valid - when still using WEP, it may need to be set to something to use WPA */ + /* There's a comment in the Atmel code to the effect that this + is only valid when still using WEP, it may need to be set to + something to use WPA */ memset(mib.key_RSC, 0, sizeof(mib.key_RSC)); - + mib.default_key = mib.group_key = 255; for (i = 0; i < MAX_ENCRYPTION_KEYS; i++) { if (priv->wep_key_len[i] > 0) { @@ -3570,12 +3802,12 @@ static void build_wpa_mib(struct atmel_private *priv) if (i == priv->default_key) { mib.default_key = i; mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-1] = 7; - mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-2] = priv->pairwise_cipher_suite; + mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-2] = priv->pairwise_cipher_suite; } else { mib.group_key = i; priv->group_cipher_suite = priv->pairwise_cipher_suite; mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-1] = 1; - mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-2] = priv->group_cipher_suite; + mib.cipher_default_key_value[i][MAX_ENCRYPTION_KEY_SIZE-2] = priv->group_cipher_suite; } } } @@ -3583,47 +3815,48 @@ static void build_wpa_mib(struct atmel_private *priv) mib.default_key = mib.group_key != 255 ? mib.group_key : 0; if (mib.group_key == 255) mib.group_key = mib.default_key; - + } - + atmel_set_mib(priv, Mac_Wep_Mib_Type, 0, (u8 *)&mib, sizeof(mib)); } - -static int reset_atmel_card(struct net_device *dev) + +static int reset_atmel_card(struct net_device *dev) { /* do everything necessary to wake up the hardware, including waiting for the lightning strike and throwing the knife switch.... - set all the Mib values which matter in the card to match + set all the Mib values which matter in the card to match their settings in the atmel_private structure. Some of these can be altered on the fly, but many (WEP, infrastucture or ad-hoc) can only be changed by tearing down the world and coming back through here. - This routine is also responsible for initialising some - hardware-specific fields in the atmel_private structure, + This routine is also responsible for initialising some + hardware-specific fields in the atmel_private structure, including a copy of the firmware's hostinfo stucture which is the route into the rest of the firmare datastructures. */ struct atmel_private *priv = netdev_priv(dev); u8 configuration; - + int old_state = priv->station_state; + /* data to add to the firmware names, in priority order this implemenents firmware versioning */ - + static char *firmware_modifier[] = { "-wpa", "", NULL }; - + /* reset pccard */ - if (priv->bus_type == BUS_TYPE_PCCARD) + if (priv->bus_type == BUS_TYPE_PCCARD) atmel_write16(priv->dev, GCR, 0x0060); - + /* stop card , disable interrupts */ atmel_write16(priv->dev, GCR, 0x0040); - + if (priv->card_type == CARD_TYPE_EEPROM) { /* copy in firmware if needed */ const struct firmware *fw_entry = NULL; @@ -3636,13 +3869,13 @@ static int reset_atmel_card(struct net_device *dev) "%s: card type is unknown: assuming at76c502 firmware is OK.\n", dev->name); printk(KERN_INFO - "%s: if not, use the firmware= module parameter.\n", + "%s: if not, use the firmware= module parameter.\n", dev->name); strcpy(priv->firmware_id, "atmel_at76c502.bin"); } if (request_firmware(&fw_entry, priv->firmware_id, priv->sys_dev) != 0) { - printk(KERN_ALERT - "%s: firmware %s is missing, cannot continue.\n", + printk(KERN_ALERT + "%s: firmware %s is missing, cannot continue.\n", dev->name, priv->firmware_id); return 0; } @@ -3654,7 +3887,7 @@ static int reset_atmel_card(struct net_device *dev) while (fw_table[fw_index].fw_type != priv->firmware_type && fw_table[fw_index].fw_type != ATMEL_FW_TYPE_NONE) fw_index++; - + /* construct the actual firmware file name */ if (fw_table[fw_index].fw_type != ATMEL_FW_TYPE_NONE) { int i; @@ -3669,24 +3902,24 @@ static int reset_atmel_card(struct net_device *dev) } } if (!success) { - printk(KERN_ALERT - "%s: firmware %s is missing, cannot start.\n", + printk(KERN_ALERT + "%s: firmware %s is missing, cannot start.\n", dev->name, priv->firmware_id); priv->firmware_id[0] = '\0'; - return 0; + return 0; } } - + fw = fw_entry->data; len = fw_entry->size; } - + if (len <= 0x6000) { atmel_write16(priv->dev, BSR, BSS_IRAM); atmel_copy_to_card(priv->dev, 0, fw, len); atmel_set_gcr(priv->dev, GCR_REMAP); } else { - /* Remap */ + /* Remap */ atmel_set_gcr(priv->dev, GCR_REMAP); atmel_write16(priv->dev, BSR, BSS_IRAM); atmel_copy_to_card(priv->dev, 0, fw, 0x6000); @@ -3708,45 +3941,45 @@ static int reset_atmel_card(struct net_device *dev) the 3com broken-ness filter. */ priv->use_wpa = (priv->host_info.major_version == 4); priv->radio_on_broken = (priv->host_info.major_version == 5); - + /* unmask all irq sources */ atmel_wmem8(priv, atmel_hi(priv, IFACE_INT_MASK_OFFSET), 0xff); - + /* int Tx system and enable Tx */ atmel_wmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, 0), 0); atmel_wmem32(priv, atmel_tx(priv, TX_DESC_NEXT_OFFSET, 0), 0x80000000L); atmel_wmem16(priv, atmel_tx(priv, TX_DESC_POS_OFFSET, 0), 0); atmel_wmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, 0), 0); - priv->tx_desc_free = priv->host_info.tx_desc_count; - priv->tx_desc_head = 0; - priv->tx_desc_tail = 0; + priv->tx_desc_free = priv->host_info.tx_desc_count; + priv->tx_desc_head = 0; + priv->tx_desc_tail = 0; priv->tx_desc_previous = 0; priv->tx_free_mem = priv->host_info.tx_buff_size; - priv->tx_buff_head = 0; - priv->tx_buff_tail = 0; - - configuration = atmel_rmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET)); - atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET), + priv->tx_buff_head = 0; + priv->tx_buff_tail = 0; + + configuration = atmel_rmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET)); + atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET), configuration | FUNC_CTRL_TxENABLE); /* init Rx system and enable */ priv->rx_desc_head = 0; - - configuration = atmel_rmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET)); - atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET), + + configuration = atmel_rmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET)); + atmel_wmem8(priv, atmel_hi(priv, IFACE_FUNC_CTRL_OFFSET), configuration | FUNC_CTRL_RxENABLE); - + if (!priv->radio_on_broken) { - if (atmel_send_command_wait(priv, CMD_EnableRadio, NULL, 0) == + if (atmel_send_command_wait(priv, CMD_EnableRadio, NULL, 0) == CMD_STATUS_REJECTED_RADIO_OFF) { - printk(KERN_INFO + printk(KERN_INFO "%s: cannot turn the radio on. (Hey radio, you're beautiful!)\n", dev->name); return 0; } } - + /* set up enough MIB values to run. */ atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_AUTO_TX_RATE_POS, priv->auto_tx_rate); atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_TX_PROMISCUOUS_POS, PROM_MODE_OFF); @@ -3755,7 +3988,7 @@ static int reset_atmel_card(struct net_device *dev) atmel_set_mib8(priv, Mac_Mib_Type, MAC_MIB_SHORT_RETRY_POS, priv->short_retry); atmel_set_mib8(priv, Mac_Mib_Type, MAC_MIB_LONG_RETRY_POS, priv->long_retry); atmel_set_mib8(priv, Local_Mib_Type, LOCAL_MIB_PREAMBLE_TYPE, priv->preamble); - atmel_set_mib(priv, Mac_Address_Mib_Type, MAC_ADDR_MIB_MAC_ADDR_POS, + atmel_set_mib(priv, Mac_Address_Mib_Type, MAC_ADDR_MIB_MAC_ADDR_POS, priv->dev->dev_addr, 6); atmel_set_mib8(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_PS_MODE_POS, ACTIVE_MODE); atmel_set_mib16(priv, Mac_Mgmt_Mib_Type, MAC_MGMT_MIB_LISTEN_INTERVAL_POS, 1); @@ -3766,42 +3999,55 @@ static int reset_atmel_card(struct net_device *dev) build_wpa_mib(priv); else build_wep_mib(priv); - + + if (old_state == STATION_STATE_READY) + { + union iwreq_data wrqu; + + wrqu.data.length = 0; + wrqu.data.flags = 0; + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); + wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); + } + return 1; } -static void atmel_send_command(struct atmel_private *priv, int command, void *cmd, int cmd_size) +static void atmel_send_command(struct atmel_private *priv, int command, + void *cmd, int cmd_size) { if (cmd) - atmel_copy_to_card(priv->dev, atmel_co(priv, CMD_BLOCK_PARAMETERS_OFFSET), + atmel_copy_to_card(priv->dev, atmel_co(priv, CMD_BLOCK_PARAMETERS_OFFSET), cmd, cmd_size); - + atmel_wmem8(priv, atmel_co(priv, CMD_BLOCK_COMMAND_OFFSET), command); atmel_wmem8(priv, atmel_co(priv, CMD_BLOCK_STATUS_OFFSET), 0); } - -static int atmel_send_command_wait(struct atmel_private *priv, int command, void *cmd, int cmd_size) + +static int atmel_send_command_wait(struct atmel_private *priv, int command, + void *cmd, int cmd_size) { int i, status; - + atmel_send_command(priv, command, cmd, cmd_size); - + for (i = 5000; i; i--) { status = atmel_rmem8(priv, atmel_co(priv, CMD_BLOCK_STATUS_OFFSET)); - if (status != CMD_STATUS_IDLE && + if (status != CMD_STATUS_IDLE && status != CMD_STATUS_IN_PROGRESS) break; udelay(20); } - + if (i == 0) { printk(KERN_ALERT "%s: failed to contact MAC.\n", priv->dev->name); status = CMD_STATUS_HOST_ERROR; - } else { + } else { if (command != CMD_EnableRadio) status = CMD_STATUS_COMPLETE; } - + return status; } @@ -3827,7 +4073,8 @@ static void atmel_set_mib8(struct atmel_private *priv, u8 type, u8 index, u8 dat atmel_send_command_wait(priv, CMD_Set_MIB_Vars, &m, MIB_HEADER_SIZE + 1); } -static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index, u16 data) +static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index, + u16 data) { struct get_set_mib m; m.type = type; @@ -3839,7 +4086,8 @@ static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index, u16 d atmel_send_command_wait(priv, CMD_Set_MIB_Vars, &m, MIB_HEADER_SIZE + 2); } -static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len) +static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index, + u8 *data, int data_len) { struct get_set_mib m; m.type = type; @@ -3848,23 +4096,24 @@ static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index, u8 *dat if (data_len > MIB_MAX_DATA_BYTES) printk(KERN_ALERT "%s: MIB buffer too small.\n", priv->dev->name); - + memcpy(m.data, data, data_len); atmel_send_command_wait(priv, CMD_Set_MIB_Vars, &m, MIB_HEADER_SIZE + data_len); } -static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index, u8 *data, int data_len) +static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index, + u8 *data, int data_len) { struct get_set_mib m; m.type = type; m.size = data_len; m.index = index; - + if (data_len > MIB_MAX_DATA_BYTES) printk(KERN_ALERT "%s: MIB buffer too small.\n", priv->dev->name); - + atmel_send_command_wait(priv, CMD_Get_MIB_Vars, &m, MIB_HEADER_SIZE + data_len); - atmel_copy_to_host(priv->dev, data, + atmel_copy_to_host(priv->dev, data, atmel_co(priv, CMD_BLOCK_PARAMETERS_OFFSET + MIB_HEADER_SIZE), data_len); } @@ -3873,11 +4122,12 @@ static void atmel_writeAR(struct net_device *dev, u16 data) int i; outw(data, dev->base_addr + AR); /* Address register appears to need some convincing..... */ - for (i = 0; data != inw(dev->base_addr + AR) && i<10; i++) + for (i = 0; data != inw(dev->base_addr + AR) && i < 10; i++) outw(data, dev->base_addr + AR); } -static void atmel_copy_to_card(struct net_device *dev, u16 dest, unsigned char *src, u16 len) +static void atmel_copy_to_card(struct net_device *dev, u16 dest, + unsigned char *src, u16 len) { int i; atmel_writeAR(dev, dest); @@ -3894,7 +4144,8 @@ static void atmel_copy_to_card(struct net_device *dev, u16 dest, unsigned char * atmel_write8(dev, DR, *src); } -static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest, u16 src, u16 len) +static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest, + u16 src, u16 len) { int i; atmel_writeAR(dev, src); @@ -3930,22 +4181,24 @@ static int atmel_lock_mac(struct atmel_private *priv) break; udelay(20); } - - if (!i) return 0; /* timed out */ - + + if (!i) + return 0; /* timed out */ + atmel_wmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_MAC_OFFSET), 1); if (atmel_rmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_HOST_OFFSET))) { atmel_wmem8(priv, atmel_hi(priv, IFACE_LOCKOUT_MAC_OFFSET), 0); - if (!j--) return 0; /* timed out */ + if (!j--) + return 0; /* timed out */ goto retry; } - + return 1; } static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data) { - atmel_writeAR(priv->dev, pos); + atmel_writeAR(priv->dev, pos); atmel_write16(priv->dev, DR, data); /* card is little-endian */ atmel_write16(priv->dev, DR, data >> 16); } @@ -4017,9 +4270,9 @@ static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data) serial output, since SO is normally high. But it does cause 8 clock cycles and thus 8 bits to be clocked in to the chip. See Atmel's SPI - controller (e.g. AT91M55800) timing and 4K + controller (e.g. AT91M55800) timing and 4K SPI EEPROM manuals */ - + .set NVRAM_SCRATCH, 0x02000100 /* arbitrary area for scratchpad memory */ .set NVRAM_IMAGE, 0x02000200 .set NVRAM_LENGTH, 0x0200 @@ -4032,24 +4285,24 @@ static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data) .set MR4, 0xC RESET_VECTOR: b RESET_HANDLER -UNDEF_VECTOR: +UNDEF_VECTOR: b HALT1 -SWI_VECTOR: +SWI_VECTOR: b HALT1 -IABORT_VECTOR: +IABORT_VECTOR: b HALT1 -DABORT_VECTOR: -RESERVED_VECTOR: +DABORT_VECTOR: +RESERVED_VECTOR: b HALT1 -IRQ_VECTOR: +IRQ_VECTOR: b HALT1 -FIQ_VECTOR: +FIQ_VECTOR: b HALT1 HALT1: b HALT1 RESET_HANDLER: mov r0, #CPSR_INITIAL msr CPSR_c, r0 /* This is probably unnecessary */ - + /* I'm guessing this is initializing clock generator electronics for SPI */ ldr r0, =SPI_CGEN_BASE mov r1, #0 @@ -4061,7 +4314,7 @@ RESET_HANDLER: str r1, [r0, #28] mov r1, #1 str r1, [r0, #8] - + ldr r0, =MRBASE mov r1, #0 strh r1, [r0, #MR1] @@ -4094,7 +4347,7 @@ GET_WHOLE_NVRAM: ldmia sp!, {lr} bx lr .endfunc - + .func Get_MAC_Addr, GET_MAC_ADDR GET_MAC_ADDR: stmdb sp!, {lr} @@ -4110,13 +4363,13 @@ GET_MAC_ADDR: .func Delay9, DELAY9 DELAY9: adds r0, r0, r0, LSL #3 /* r0 = r0 * 9 */ -DELAYLOOP: +DELAYLOOP: beq DELAY9_done subs r0, r0, #1 b DELAYLOOP -DELAY9_done: +DELAY9_done: bx lr -.endfunc +.endfunc .func SP_Init, SP_INIT SP_INIT: @@ -4145,26 +4398,26 @@ SP_INIT: ldr r0, [r0, #SP_RDR] bx lr .endfunc -.func NVRAM_Init, NVRAM_INIT +.func NVRAM_Init, NVRAM_INIT NVRAM_INIT: ldr r1, =SP_BASE ldr r0, [r1, #SP_RDR] mov r0, #NVRAM_CMD_RDSR str r0, [r1, #SP_TDR] -SP_loop1: +SP_loop1: ldr r0, [r1, #SP_SR] tst r0, #SP_TDRE beq SP_loop1 mov r0, #SPI_8CLOCKS - str r0, [r1, #SP_TDR] -SP_loop2: + str r0, [r1, #SP_TDR] +SP_loop2: ldr r0, [r1, #SP_SR] tst r0, #SP_TDRE beq SP_loop2 ldr r0, [r1, #SP_RDR] -SP_loop3: +SP_loop3: ldr r0, [r1, #SP_SR] tst r0, #SP_RDRF beq SP_loop3 @@ -4173,7 +4426,7 @@ SP_loop3: and r0, r0, #255 bx lr .endfunc - + .func NVRAM_Xfer, NVRAM_XFER /* r0 = dest address */ /* r1 = not used */ @@ -4185,11 +4438,11 @@ NVRAM_XFER: mov r4, r3 /* save r3 (length) */ mov r0, r2, LSR #5 /* SPI memories put A8 in the command field */ and r0, r0, #8 - add r0, r0, #NVRAM_CMD_READ + add r0, r0, #NVRAM_CMD_READ ldr r1, =NVRAM_SCRATCH strb r0, [r1, #0] /* save command in NVRAM_SCRATCH[0] */ strb r2, [r1, #1] /* save low byte of source address in NVRAM_SCRATCH[1] */ -_local1: +_local1: bl NVRAM_INIT tst r0, #NVRAM_SR_RDY bne _local1 @@ -4211,7 +4464,7 @@ NVRAM_XFER2: cmp r0, #0 bls _local2 ldr r5, =NVRAM_SCRATCH -_local4: +_local4: ldrb r6, [r5, r3] str r6, [r4, #SP_TDR] _local3: @@ -4225,7 +4478,7 @@ _local2: mov r3, #SPI_8CLOCKS str r3, [r4, #SP_TDR] ldr r0, [r4, #SP_RDR] -_local5: +_local5: ldr r0, [r4, #SP_SR] tst r0, #SP_RDRF beq _local5 @@ -4233,12 +4486,12 @@ _local5: mov r0, #0 cmp r2, #0 /* r2 is # of bytes to copy in */ bls _local6 -_local7: +_local7: ldr r5, [r4, #SP_SR] tst r5, #SP_TDRE beq _local7 str r3, [r4, #SP_TDR] /* r3 has SPI_8CLOCKS */ -_local8: +_local8: ldr r5, [r4, #SP_SR] tst r5, #SP_RDRF beq _local8 diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c index 17d1fd90f83..d6f4a5a3e55 100644 --- a/drivers/net/wireless/atmel_cs.c +++ b/drivers/net/wireless/atmel_cs.c @@ -93,8 +93,6 @@ MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards"); static void atmel_config(dev_link_t *link); static void atmel_release(dev_link_t *link); -static int atmel_event(event_t event, int priority, - event_callback_args_t *args); /* The attach() and detach() entry points are used to create and destroy @@ -102,8 +100,7 @@ static int atmel_event(event_t event, int priority, needed to manage one actual PCMCIA card. */ -static dev_link_t *atmel_attach(void); -static void atmel_detach(dev_link_t *); +static void atmel_detach(struct pcmcia_device *p_dev); /* You'll also need to prototype all the functions that will actually @@ -113,14 +110,6 @@ static void atmel_detach(dev_link_t *); */ /* - The dev_info variable is the "key" that is used to match up this - device driver with appropriate cards, through the card configuration - database. -*/ - -static dev_info_t dev_info = "atmel_cs"; - -/* A linked list of "instances" of the atmelnet device. Each actual PCMCIA card corresponds to one device instance, and is described by one dev_link_t structure (defined in ds.h). @@ -130,15 +119,7 @@ static dev_info_t dev_info = "atmel_cs"; device numbers are used to derive the corresponding array index. */ -static dev_link_t *dev_list = NULL; - /* - A dev_link_t structure has fields for most things that are needed - to keep track of a socket, but there will usually be some device - specific information that also needs to be kept track of. The - 'priv' pointer in a dev_link_t structure can be used to point to - a device-specific private data structure, like this. - A driver needs to provide a dev_node_t structure for each device on a card. In some cases, there is only one device per card (for example, ethernet cards, modems). In other cases, there may be @@ -171,27 +152,25 @@ typedef struct local_info_t { ======================================================================*/ -static dev_link_t *atmel_attach(void) +static int atmel_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; local_info_t *local; - int ret; - + DEBUG(0, "atmel_attach()\n"); /* Initialize the dev_link_t structure */ link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL); if (!link) { printk(KERN_ERR "atmel_cs: no memory for new device\n"); - return NULL; + return -ENOMEM; } - + /* Interrupt setup */ link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = NULL; - + /* General socket configuration defaults can go here. In this client, we assume very little, and rely on the CIS for almost @@ -202,30 +181,23 @@ static dev_link_t *atmel_attach(void) link->conf.Attributes = 0; link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; - + /* Allocate space for private device-specific data */ local = kzalloc(sizeof(local_info_t), GFP_KERNEL); if (!local) { printk(KERN_ERR "atmel_cs: no memory for new device\n"); kfree (link); - return NULL; + return -ENOMEM; } link->priv = local; - - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - atmel_detach(link); - return NULL; - } - - return link; + + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + atmel_config(link); + + return 0; } /* atmel_attach */ /*====================================================================== @@ -237,27 +209,15 @@ static dev_link_t *atmel_attach(void) ======================================================================*/ -static void atmel_detach(dev_link_t *link) +static void atmel_detach(struct pcmcia_device *p_dev) { - dev_link_t **linkp; - + dev_link_t *link = dev_to_instance(p_dev); + DEBUG(0, "atmel_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; if (link->state & DEV_CONFIG) atmel_release(link); - - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - /* Unlink device structure, free pieces */ - *linkp = link->next; kfree(link->priv); kfree(link); } @@ -477,60 +437,34 @@ static void atmel_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/*====================================================================== - - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. +static int atmel_suspend(struct pcmcia_device *dev) +{ + dev_link_t *link = dev_to_instance(dev); + local_info_t *local = link->priv; - When a CARD_REMOVAL event is received, we immediately set a - private flag to block future accesses to this device. All the - functions that actually access the device should check this flag - to make sure the card is still present. - - ======================================================================*/ + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + netif_device_detach(local->eth_dev); + pcmcia_release_configuration(link->handle); + } + + return 0; +} -static int atmel_event(event_t event, int priority, - event_callback_args_t *args) +static int atmel_resume(struct pcmcia_device *dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(dev); local_info_t *local = link->priv; - - DEBUG(1, "atmel_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - netif_device_detach(local->eth_dev); - atmel_release(link); - } - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - atmel_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) { - netif_device_detach(local->eth_dev); - pcmcia_release_configuration(link->handle); - } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - atmel_open(local->eth_dev); - netif_device_attach(local->eth_dev); - } - break; + + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + atmel_open(local->eth_dev); + netif_device_attach(local->eth_dev); } + return 0; -} /* atmel_event */ +} /*====================================================================*/ /* We use the driver_info field to store the correct firmware type for a card. */ @@ -581,10 +515,11 @@ static struct pcmcia_driver atmel_driver = { .drv = { .name = "atmel_cs", }, - .attach = atmel_attach, - .event = atmel_event, - .detach = atmel_detach, + .probe = atmel_attach, + .remove = atmel_detach, .id_table = atmel_ids, + .suspend = atmel_suspend, + .resume = atmel_resume, }; static int atmel_cs_init(void) @@ -595,7 +530,6 @@ static int atmel_cs_init(void) static void atmel_cs_cleanup(void) { pcmcia_unregister_driver(&atmel_driver); - BUG_ON(dev_list != NULL); } /* diff --git a/drivers/net/wireless/hostap/Kconfig b/drivers/net/wireless/hostap/Kconfig index 56f41c714d3..c8f6286dd35 100644 --- a/drivers/net/wireless/hostap/Kconfig +++ b/drivers/net/wireless/hostap/Kconfig @@ -26,11 +26,25 @@ config HOSTAP_FIRMWARE depends on HOSTAP ---help--- Configure Host AP driver to include support for firmware image - download. Current version supports only downloading to volatile, i.e., - RAM memory. Flash upgrade is not yet supported. + download. This option by itself only enables downloading to the + volatile memory, i.e. the card RAM. This option is required to + support cards that don't have firmware in flash, such as D-Link + DWL-520 rev E and D-Link DWL-650 rev P. - Firmware image downloading needs user space tool, prism2_srec. It is - available from http://hostap.epitest.fi/. + Firmware image downloading needs a user space tool, prism2_srec. + It is available from http://hostap.epitest.fi/. + +config HOSTAP_FIRMWARE_NVRAM + bool "Support for non-volatile firmware download" + depends on HOSTAP_FIRMWARE + ---help--- + Allow Host AP driver to write firmware images to the non-volatile + card memory, i.e. flash memory that survives power cycling. + Enable this option if you want to be able to change card firmware + permanently. + + Firmware image downloading needs a user space tool, prism2_srec. + It is available from http://hostap.epitest.fi/. config HOSTAP_PLX tristate "Host AP driver for Prism2/2.5/3 in PLX9052 PCI adaptors" diff --git a/drivers/net/wireless/hostap/Makefile b/drivers/net/wireless/hostap/Makefile index fc62235bfc2..b8e41a702c0 100644 --- a/drivers/net/wireless/hostap/Makefile +++ b/drivers/net/wireless/hostap/Makefile @@ -1,3 +1,5 @@ +hostap-y := hostap_80211_rx.o hostap_80211_tx.o hostap_ap.o hostap_info.o \ + hostap_ioctl.o hostap_main.o hostap_proc.o obj-$(CONFIG_HOSTAP) += hostap.o obj-$(CONFIG_HOSTAP_CS) += hostap_cs.o diff --git a/drivers/net/wireless/hostap/hostap.h b/drivers/net/wireless/hostap/hostap.h index 5fac89b8ce3..5e63765219f 100644 --- a/drivers/net/wireless/hostap/hostap.h +++ b/drivers/net/wireless/hostap/hostap.h @@ -1,6 +1,15 @@ #ifndef HOSTAP_H #define HOSTAP_H +#include <linux/ethtool.h> + +#include "hostap_wlan.h" +#include "hostap_ap.h" + +static const long freq_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, + 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; +#define FREQ_COUNT (sizeof(freq_list) / sizeof(freq_list[0])) + /* hostap.c */ extern struct proc_dir_entry *hostap_proc; @@ -40,6 +49,26 @@ int prism2_update_comms_qual(struct net_device *dev); int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype, u8 *body, size_t bodylen); int prism2_sta_deauth(local_info_t *local, u16 reason); +int prism2_wds_add(local_info_t *local, u8 *remote_addr, + int rtnl_locked); +int prism2_wds_del(local_info_t *local, u8 *remote_addr, + int rtnl_locked, int do_not_remove); + + +/* hostap_ap.c */ + +int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac); +int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac); +void ap_control_flush_macs(struct mac_restrictions *mac_restrictions); +int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac); +void ap_control_kickall(struct ap_data *ap); +void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, + struct ieee80211_crypt_data ***crypt); +int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], + struct iw_quality qual[], int buf_size, + int aplist); +int prism2_ap_translate_scan(struct net_device *dev, char *buffer); +int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param); /* hostap_proc.c */ @@ -54,4 +83,12 @@ void hostap_info_init(local_info_t *local); void hostap_info_process(local_info_t *local, struct sk_buff *skb); +/* hostap_ioctl.c */ + +extern const struct iw_handler_def hostap_iw_handler_def; +extern struct ethtool_ops prism2_ethtool_ops; + +int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); + + #endif /* HOSTAP_H */ diff --git a/drivers/net/wireless/hostap/hostap_80211.h b/drivers/net/wireless/hostap/hostap_80211.h index bf506f50d72..1fc72fe511e 100644 --- a/drivers/net/wireless/hostap/hostap_80211.h +++ b/drivers/net/wireless/hostap/hostap_80211.h @@ -1,6 +1,9 @@ #ifndef HOSTAP_80211_H #define HOSTAP_80211_H +#include <linux/types.h> +#include <net/ieee80211_crypt.h> + struct hostap_ieee80211_mgmt { u16 frame_control; u16 duration; diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c index ffac5089945..7e04dc94b3b 100644 --- a/drivers/net/wireless/hostap/hostap_80211_rx.c +++ b/drivers/net/wireless/hostap/hostap_80211_rx.c @@ -1,7 +1,18 @@ #include <linux/etherdevice.h> +#include <net/ieee80211_crypt.h> #include "hostap_80211.h" #include "hostap.h" +#include "hostap_ap.h" + +/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ +/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ +static unsigned char rfc1042_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; +/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ +static unsigned char bridge_tunnel_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; +/* No encapsulation header if EtherType < 0x600 (=length) */ void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) @@ -435,7 +446,7 @@ static void hostap_rx_sta_beacon(local_info_t *local, struct sk_buff *skb, } -static inline int +static int hostap_rx_frame_mgmt(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats, u16 type, u16 stype) @@ -499,7 +510,7 @@ hostap_rx_frame_mgmt(local_info_t *local, struct sk_buff *skb, /* Called only as a tasklet (software IRQ) */ -static inline struct net_device *prism2_rx_get_wds(local_info_t *local, +static struct net_device *prism2_rx_get_wds(local_info_t *local, u8 *addr) { struct hostap_interface *iface = NULL; @@ -519,7 +530,7 @@ static inline struct net_device *prism2_rx_get_wds(local_info_t *local, } -static inline int +static int hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr_4addr *hdr, u16 fc, struct net_device **wds) { @@ -615,7 +626,7 @@ static int hostap_is_eapol_frame(local_info_t *local, struct sk_buff *skb) /* Called only as a tasklet (software IRQ) */ -static inline int +static int hostap_rx_frame_decrypt(local_info_t *local, struct sk_buff *skb, struct ieee80211_crypt_data *crypt) { @@ -654,7 +665,7 @@ hostap_rx_frame_decrypt(local_info_t *local, struct sk_buff *skb, /* Called only as a tasklet (software IRQ) */ -static inline int +static int hostap_rx_frame_decrypt_msdu(local_info_t *local, struct sk_buff *skb, int keyidx, struct ieee80211_crypt_data *crypt) { diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c index 9d24f8a38ac..4a85e63906f 100644 --- a/drivers/net/wireless/hostap/hostap_80211_tx.c +++ b/drivers/net/wireless/hostap/hostap_80211_tx.c @@ -1,3 +1,18 @@ +#include "hostap_80211.h" +#include "hostap_common.h" +#include "hostap_wlan.h" +#include "hostap.h" +#include "hostap_ap.h" + +/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ +/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ +static unsigned char rfc1042_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; +/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ +static unsigned char bridge_tunnel_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; +/* No encapsulation header if EtherType < 0x600 (=length) */ + void hostap_dump_tx_80211(const char *name, struct sk_buff *skb) { struct ieee80211_hdr_4addr *hdr; diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index 9da94ab7f05..753a1de6664 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -16,6 +16,14 @@ * (8802.11: 5.5) */ +#include <linux/proc_fs.h> +#include <linux/delay.h> +#include <linux/random.h> + +#include "hostap_wlan.h" +#include "hostap.h" +#include "hostap_ap.h" + static int other_ap_policy[MAX_PARM_DEVICES] = { AP_OTHER_AP_SKIP_ALL, DEF_INTS }; module_param_array(other_ap_policy, int, NULL, 0444); @@ -360,8 +368,7 @@ static int ap_control_proc_read(char *page, char **start, off_t off, } -static int ap_control_add_mac(struct mac_restrictions *mac_restrictions, - u8 *mac) +int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac) { struct mac_entry *entry; @@ -380,8 +387,7 @@ static int ap_control_add_mac(struct mac_restrictions *mac_restrictions, } -static int ap_control_del_mac(struct mac_restrictions *mac_restrictions, - u8 *mac) +int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac) { struct list_head *ptr; struct mac_entry *entry; @@ -433,7 +439,7 @@ static int ap_control_mac_deny(struct mac_restrictions *mac_restrictions, } -static void ap_control_flush_macs(struct mac_restrictions *mac_restrictions) +void ap_control_flush_macs(struct mac_restrictions *mac_restrictions) { struct list_head *ptr, *n; struct mac_entry *entry; @@ -454,8 +460,7 @@ static void ap_control_flush_macs(struct mac_restrictions *mac_restrictions) } -static int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, - u8 *mac) +int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac) { struct sta_info *sta; u16 resp; @@ -486,7 +491,7 @@ static int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ -static void ap_control_kickall(struct ap_data *ap) +void ap_control_kickall(struct ap_data *ap) { struct list_head *ptr, *n; struct sta_info *sta; @@ -2321,9 +2326,9 @@ static void schedule_packet_send(local_info_t *local, struct sta_info *sta) } -static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], - struct iw_quality qual[], int buf_size, - int aplist) +int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], + struct iw_quality qual[], int buf_size, + int aplist) { struct ap_data *ap = local->ap; struct list_head *ptr; @@ -2363,7 +2368,7 @@ static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], /* Translate our list of Access Points & Stations to a card independant * format that the Wireless Tools will understand - Jean II */ -static int prism2_ap_translate_scan(struct net_device *dev, char *buffer) +int prism2_ap_translate_scan(struct net_device *dev, char *buffer) { struct hostap_interface *iface; local_info_t *local; @@ -2608,8 +2613,7 @@ static int prism2_hostapd_sta_clear_stats(struct ap_data *ap, } -static int prism2_hostapd(struct ap_data *ap, - struct prism2_hostapd_param *param) +int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param) { switch (param->cmd) { case PRISM2_HOSTAPD_FLUSH: @@ -3207,8 +3211,8 @@ void hostap_update_rates(local_info_t *local) } -static void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, - struct ieee80211_crypt_data ***crypt) +void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, + struct ieee80211_crypt_data ***crypt) { struct sta_info *sta; diff --git a/drivers/net/wireless/hostap/hostap_ap.h b/drivers/net/wireless/hostap/hostap_ap.h index 6d00df69c2e..2fa2452b6b0 100644 --- a/drivers/net/wireless/hostap/hostap_ap.h +++ b/drivers/net/wireless/hostap/hostap_ap.h @@ -1,6 +1,8 @@ #ifndef HOSTAP_AP_H #define HOSTAP_AP_H +#include "hostap_80211.h" + /* AP data structures for STAs */ /* maximum number of frames to buffer per STA */ diff --git a/drivers/net/wireless/hostap/hostap_common.h b/drivers/net/wireless/hostap/hostap_common.h index 6f4fa9dc308..01624005d80 100644 --- a/drivers/net/wireless/hostap/hostap_common.h +++ b/drivers/net/wireless/hostap/hostap_common.h @@ -1,6 +1,9 @@ #ifndef HOSTAP_COMMON_H #define HOSTAP_COMMON_H +#include <linux/types.h> +#include <linux/if_ether.h> + #define BIT(x) (1 << (x)) #define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5] diff --git a/drivers/net/wireless/hostap/hostap_config.h b/drivers/net/wireless/hostap/hostap_config.h index 7ed3425d08c..c090a5aebb5 100644 --- a/drivers/net/wireless/hostap/hostap_config.h +++ b/drivers/net/wireless/hostap/hostap_config.h @@ -21,15 +21,10 @@ #define PRISM2_DOWNLOAD_SUPPORT #endif -#ifdef PRISM2_DOWNLOAD_SUPPORT -/* Allow writing firmware images into flash, i.e., to non-volatile storage. - * Before you enable this option, you should make absolutely sure that you are - * using prism2_srec utility that comes with THIS version of the driver! - * In addition, please note that it is possible to kill your card with - * non-volatile download if you are using incorrect image. This feature has not - * been fully tested, so please be careful with it. */ -/* #define PRISM2_NON_VOLATILE_DOWNLOAD */ -#endif /* PRISM2_DOWNLOAD_SUPPORT */ +/* Allow kernel configuration to enable non-volatile download support. */ +#ifdef CONFIG_HOSTAP_FIRMWARE_NVRAM +#define PRISM2_NON_VOLATILE_DOWNLOAD +#endif /* Save low-level I/O for debugging. This should not be enabled in normal use. */ diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index 2643976a667..8bc0b528548 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -25,7 +25,6 @@ static char *version = PRISM2_VERSION " (Jouni Malinen <jkmaline@cc.hut.fi>)"; static dev_info_t dev_info = "hostap_cs"; -static dev_link_t *dev_list = NULL; MODULE_AUTHOR("Jouni Malinen"); MODULE_DESCRIPTION("Support for Intersil Prism2-based 802.11 wireless LAN " @@ -203,10 +202,9 @@ static int hfa384x_to_bap(struct net_device *dev, u16 bap, void *buf, int len) -static void prism2_detach(dev_link_t *link); +static void prism2_detach(struct pcmcia_device *p_dev); static void prism2_release(u_long arg); -static int prism2_event(event_t event, int priority, - event_callback_args_t *args); +static int prism2_config(dev_link_t *link); static int prism2_pccard_card_present(local_info_t *local) @@ -503,15 +501,13 @@ static struct prism2_helper_functions prism2_pccard_funcs = /* allocate local data and register with CardServices * initialize dev_link structure, but do not configure the card yet */ -static dev_link_t *prism2_attach(void) +static int prism2_attach(struct pcmcia_device *p_dev) { dev_link_t *link; - client_reg_t client_reg; - int ret; link = kmalloc(sizeof(dev_link_t), GFP_KERNEL); if (link == NULL) - return NULL; + return -ENOMEM; memset(link, 0, sizeof(dev_link_t)); @@ -519,50 +515,27 @@ static dev_link_t *prism2_attach(void) link->conf.Vcc = 33; link->conf.IntType = INT_MEMORY_AND_IO; - /* register with CardServices */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != CS_SUCCESS) { - cs_error(link->handle, RegisterClient, ret); - prism2_detach(link); - return NULL; - } - return link; + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + if (prism2_config(link)) + PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n"); + + return 0; } -static void prism2_detach(dev_link_t *link) +static void prism2_detach(struct pcmcia_device *p_dev) { - dev_link_t **linkp; + dev_link_t *link = dev_to_instance(p_dev); PDEBUG(DEBUG_FLOW, "prism2_detach\n"); - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) - break; - if (*linkp == NULL) { - printk(KERN_WARNING "%s: Attempt to detach non-existing " - "PCMCIA client\n", dev_info); - return; - } - if (link->state & DEV_CONFIG) { prism2_release((u_long)link); } - if (link->handle) { - int res = pcmcia_deregister_client(link->handle); - if (res) { - printk("CardService(DeregisterClient) => %d\n", res); - cs_error(link->handle, DeregisterClient, res); - } - } - - *linkp = link->next; /* release net devices */ if (link->priv) { struct hostap_cs_priv *hw_priv; @@ -846,84 +819,58 @@ static void prism2_release(u_long arg) PDEBUG(DEBUG_FLOW, "release - done\n"); } - -static int prism2_event(event_t event, int priority, - event_callback_args_t *args) +static int hostap_cs_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = (struct net_device *) link->priv; int dev_open = 0; + PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info); + + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { struct hostap_interface *iface = netdev_priv(dev); if (iface && iface->local) dev_open = iface->local->num_dev_open > 0; - } - - switch (event) { - case CS_EVENT_CARD_INSERTION: - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_INSERTION\n", dev_info); - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - if (prism2_config(link)) { - PDEBUG(DEBUG_EXTRA, "prism2_config() failed\n"); - } - break; - - case CS_EVENT_CARD_REMOVAL: - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_REMOVAL\n", dev_info); - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { + if (dev_open) { netif_stop_queue(dev); netif_device_detach(dev); - prism2_release((u_long) link); } - break; + prism2_suspend(dev); + pcmcia_release_configuration(link->handle); + } - case CS_EVENT_PM_SUSPEND: - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info); - link->state |= DEV_SUSPEND; - /* fall through */ - - case CS_EVENT_RESET_PHYSICAL: - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_RESET_PHYSICAL\n", dev_info); - if (link->state & DEV_CONFIG) { - if (dev_open) { - netif_stop_queue(dev); - netif_device_detach(dev); - } - prism2_suspend(dev); - pcmcia_release_configuration(link->handle); - } - break; + return 0; +} - case CS_EVENT_PM_RESUME: - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info); - link->state &= ~DEV_SUSPEND; - /* fall through */ - - case CS_EVENT_CARD_RESET: - PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_CARD_RESET\n", dev_info); - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, - &link->conf); - prism2_hw_shutdown(dev, 1); - prism2_hw_config(dev, dev_open ? 0 : 1); - if (dev_open) { - netif_device_attach(dev); - netif_start_queue(dev); - } - } - break; +static int hostap_cs_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = (struct net_device *) link->priv; + int dev_open = 0; - default: - PDEBUG(DEBUG_EXTRA, "%s: prism2_event() - unknown event %d\n", - dev_info, event); - break; + PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info); + + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + struct hostap_interface *iface = netdev_priv(dev); + if (iface && iface->local) + dev_open = iface->local->num_dev_open > 0; + + pcmcia_request_configuration(link->handle, &link->conf); + + prism2_hw_shutdown(dev, 1); + prism2_hw_config(dev, dev_open ? 0 : 1); + if (dev_open) { + netif_device_attach(dev); + netif_start_queue(dev); + } } + return 0; } - static struct pcmcia_device_id hostap_cs_ids[] = { PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100), PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), @@ -982,11 +929,12 @@ static struct pcmcia_driver hostap_driver = { .drv = { .name = "hostap_cs", }, - .attach = prism2_attach, - .detach = prism2_detach, + .probe = prism2_attach, + .remove = prism2_detach, .owner = THIS_MODULE, - .event = prism2_event, .id_table = hostap_cs_ids, + .suspend = hostap_cs_suspend, + .resume = hostap_cs_resume, }; static int __init init_prism2_pccard(void) diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index abfae7fedeb..b1f142d9e23 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -253,7 +253,7 @@ static void prism2_clear_cmd_queue(local_info_t *local) * @dev: pointer to net_device * @entry: Prism2 command queue entry to be issued */ -static inline int hfa384x_cmd_issue(struct net_device *dev, +static int hfa384x_cmd_issue(struct net_device *dev, struct hostap_cmd_queue *entry) { struct hostap_interface *iface; @@ -743,7 +743,7 @@ static void prism2_cmd_ev(struct net_device *dev) } -static inline int hfa384x_wait_offset(struct net_device *dev, u16 o_off) +static int hfa384x_wait_offset(struct net_device *dev, u16 o_off) { int tries = HFA384X_BAP_BUSY_TIMEOUT; int res = HFA384X_INW(o_off) & HFA384X_OFFSET_BUSY; @@ -1904,7 +1904,7 @@ fail: * and will try to get the correct fid eventually. */ #define EXTRA_FID_READ_TESTS -static inline u16 prism2_read_fid_reg(struct net_device *dev, u16 reg) +static u16 prism2_read_fid_reg(struct net_device *dev, u16 reg) { #ifdef EXTRA_FID_READ_TESTS u16 val, val2, val3; @@ -2581,7 +2581,7 @@ static void prism2_ev_tick(struct net_device *dev) /* Called only from hardware IRQ */ -static inline void prism2_check_magic(local_info_t *local) +static void prism2_check_magic(local_info_t *local) { /* at least PCI Prism2.5 with bus mastering seems to sometimes * return 0x0000 in SWSUPPORT0 for unknown reason, but re-reading the diff --git a/drivers/net/wireless/hostap/hostap_info.c b/drivers/net/wireless/hostap/hostap_info.c index 5aa998fdf1c..50f72d831cf 100644 --- a/drivers/net/wireless/hostap/hostap_info.c +++ b/drivers/net/wireless/hostap/hostap_info.c @@ -1,5 +1,8 @@ /* Host AP driver Info Frame processing (part of hostap.o module) */ +#include "hostap_wlan.h" +#include "hostap.h" +#include "hostap_ap.h" /* Called only as a tasklet (software IRQ) */ static void prism2_info_commtallies16(local_info_t *local, unsigned char *buf, diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c index 2617d70bcda..f3e0ce1ee03 100644 --- a/drivers/net/wireless/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/hostap/hostap_ioctl.c @@ -1,11 +1,13 @@ /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */ -#ifdef in_atomic -/* Get kernel_locked() for in_atomic() */ +#include <linux/types.h> #include <linux/smp_lock.h> -#endif #include <linux/ethtool.h> +#include <net/ieee80211_crypt.h> +#include "hostap_wlan.h" +#include "hostap.h" +#include "hostap_ap.h" static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev) { @@ -3910,7 +3912,7 @@ static void prism2_get_drvinfo(struct net_device *dev, local->sta_fw_ver & 0xff); } -static struct ethtool_ops prism2_ethtool_ops = { +struct ethtool_ops prism2_ethtool_ops = { .get_drvinfo = prism2_get_drvinfo }; @@ -3985,7 +3987,7 @@ static const iw_handler prism2_private_handler[] = (iw_handler) prism2_ioctl_priv_readmif, /* 3 */ }; -static const struct iw_handler_def hostap_iw_handler_def = +const struct iw_handler_def hostap_iw_handler_def = { .num_standard = sizeof(prism2_handler) / sizeof(iw_handler), .num_private = sizeof(prism2_private_handler) / sizeof(iw_handler), diff --git a/drivers/net/wireless/hostap/hostap.c b/drivers/net/wireless/hostap/hostap_main.c index 3d2ea61033b..8dd4c4446a6 100644 --- a/drivers/net/wireless/hostap/hostap.c +++ b/drivers/net/wireless/hostap/hostap_main.c @@ -24,6 +24,7 @@ #include <linux/kmod.h> #include <linux/rtnetlink.h> #include <linux/wireless.h> +#include <linux/etherdevice.h> #include <net/iw_handler.h> #include <net/ieee80211.h> #include <net/ieee80211_crypt.h> @@ -47,57 +48,6 @@ MODULE_VERSION(PRISM2_VERSION); #define PRISM2_MAX_MTU (PRISM2_MAX_FRAME_SIZE - (6 /* LLC */ + 8 /* WEP */)) -/* hostap.c */ -static int prism2_wds_add(local_info_t *local, u8 *remote_addr, - int rtnl_locked); -static int prism2_wds_del(local_info_t *local, u8 *remote_addr, - int rtnl_locked, int do_not_remove); - -/* hostap_ap.c */ -static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], - struct iw_quality qual[], int buf_size, - int aplist); -static int prism2_ap_translate_scan(struct net_device *dev, char *buffer); -static int prism2_hostapd(struct ap_data *ap, - struct prism2_hostapd_param *param); -static void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent, - struct ieee80211_crypt_data ***crypt); -static void ap_control_kickall(struct ap_data *ap); -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -static int ap_control_add_mac(struct mac_restrictions *mac_restrictions, - u8 *mac); -static int ap_control_del_mac(struct mac_restrictions *mac_restrictions, - u8 *mac); -static void ap_control_flush_macs(struct mac_restrictions *mac_restrictions); -static int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, - u8 *mac); -#endif /* !PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - -static const long freq_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, - 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; -#define FREQ_COUNT (sizeof(freq_list) / sizeof(freq_list[0])) - - -/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ -/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ -static unsigned char rfc1042_header[] = -{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; -/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ -static unsigned char bridge_tunnel_header[] = -{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; -/* No encapsulation header if EtherType < 0x600 (=length) */ - - -/* FIX: these could be compiled separately and linked together to hostap.o */ -#include "hostap_ap.c" -#include "hostap_info.c" -#include "hostap_ioctl.c" -#include "hostap_proc.c" -#include "hostap_80211_rx.c" -#include "hostap_80211_tx.c" - - struct net_device * hostap_add_interface(struct local_info *local, int type, int rtnl_locked, const char *prefix, @@ -196,8 +146,8 @@ static inline int prism2_wds_special_addr(u8 *addr) } -static int prism2_wds_add(local_info_t *local, u8 *remote_addr, - int rtnl_locked) +int prism2_wds_add(local_info_t *local, u8 *remote_addr, + int rtnl_locked) { struct net_device *dev; struct list_head *ptr; @@ -258,8 +208,8 @@ static int prism2_wds_add(local_info_t *local, u8 *remote_addr, } -static int prism2_wds_del(local_info_t *local, u8 *remote_addr, - int rtnl_locked, int do_not_remove) +int prism2_wds_del(local_info_t *local, u8 *remote_addr, + int rtnl_locked, int do_not_remove) { unsigned long flags; struct list_head *ptr; diff --git a/drivers/net/wireless/hostap/hostap_proc.c b/drivers/net/wireless/hostap/hostap_proc.c index a0a4cbd4937..d1d8ce022e6 100644 --- a/drivers/net/wireless/hostap/hostap_proc.c +++ b/drivers/net/wireless/hostap/hostap_proc.c @@ -1,5 +1,12 @@ /* /proc routines for Host AP driver */ +#include <linux/types.h> +#include <linux/proc_fs.h> +#include <net/ieee80211_crypt.h> + +#include "hostap_wlan.h" +#include "hostap.h" + #define PROC_LIMIT (PAGE_SIZE - 80) diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h index cfd80155949..87a54aa6f4d 100644 --- a/drivers/net/wireless/hostap/hostap_wlan.h +++ b/drivers/net/wireless/hostap/hostap_wlan.h @@ -1,6 +1,10 @@ #ifndef HOSTAP_WLAN_H #define HOSTAP_WLAN_H +#include <linux/wireless.h> +#include <linux/netdevice.h> +#include <net/iw_handler.h> + #include "hostap_config.h" #include "hostap_common.h" diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 77d2a21d4cd..8bf02763b5c 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -175,7 +175,7 @@ that only one external action is invoked at a time. #define DRV_COPYRIGHT "Copyright(c) 2003-2005 Intel Corporation" /* Debugging stuff */ -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG #define CONFIG_IPW2100_RX_DEBUG /* Reception debugging */ #endif @@ -208,7 +208,7 @@ MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])"); static u32 ipw2100_debug_level = IPW_DL_NONE; -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG #define IPW_DEBUG(level, message...) \ do { \ if (ipw2100_debug_level & (level)) { \ @@ -219,9 +219,9 @@ do { \ } while (0) #else #define IPW_DEBUG(level, message...) do {} while (0) -#endif /* CONFIG_IPW_DEBUG */ +#endif /* CONFIG_IPW2100_DEBUG */ -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG static const char *command_types[] = { "undefined", "unused", /* HOST_ATTENTION */ @@ -411,7 +411,7 @@ static inline void write_nic_dword_auto_inc(struct net_device *dev, u32 val) write_register(dev, IPW_REG_AUTOINCREMENT_DATA, val); } -static inline void write_nic_memory(struct net_device *dev, u32 addr, u32 len, +static void write_nic_memory(struct net_device *dev, u32 addr, u32 len, const u8 * buf) { u32 aligned_addr; @@ -449,7 +449,7 @@ static inline void write_nic_memory(struct net_device *dev, u32 addr, u32 len, *buf); } -static inline void read_nic_memory(struct net_device *dev, u32 addr, u32 len, +static void read_nic_memory(struct net_device *dev, u32 addr, u32 len, u8 * buf) { u32 aligned_addr; @@ -657,7 +657,7 @@ static void printk_buf(int level, const u8 * data, u32 len) #define MAX_RESET_BACKOFF 10 -static inline void schedule_reset(struct ipw2100_priv *priv) +static void schedule_reset(struct ipw2100_priv *priv) { unsigned long now = get_seconds(); @@ -1130,7 +1130,7 @@ static inline void ipw2100_hw_set_gpio(struct ipw2100_priv *priv) write_register(priv->net_dev, IPW_REG_GPIO, reg); } -static inline int rf_kill_active(struct ipw2100_priv *priv) +static int rf_kill_active(struct ipw2100_priv *priv) { #define MAX_RF_KILL_CHECKS 5 #define RF_KILL_CHECK_DELAY 40 @@ -2081,7 +2081,7 @@ static void isr_scan_complete(struct ipw2100_priv *priv, u32 status) priv->status &= ~STATUS_SCANNING; } -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG #define IPW2100_HANDLER(v, f) { v, f, # v } struct ipw2100_status_indicator { int status; @@ -2094,7 +2094,7 @@ struct ipw2100_status_indicator { int status; void (*cb) (struct ipw2100_priv * priv, u32 status); }; -#endif /* CONFIG_IPW_DEBUG */ +#endif /* CONFIG_IPW2100_DEBUG */ static void isr_indicate_scanning(struct ipw2100_priv *priv, u32 status) { @@ -2149,7 +2149,7 @@ static void isr_status_change(struct ipw2100_priv *priv, int status) static void isr_rx_complete_command(struct ipw2100_priv *priv, struct ipw2100_cmd_header *cmd) { -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG if (cmd->host_command_reg < ARRAY_SIZE(command_types)) { IPW_DEBUG_HC("Command completed '%s (%d)'\n", command_types[cmd->host_command_reg], @@ -2167,7 +2167,7 @@ static void isr_rx_complete_command(struct ipw2100_priv *priv, wake_up_interruptible(&priv->wait_command_queue); } -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG static const char *frame_types[] = { "COMMAND_STATUS_VAL", "STATUS_CHANGE_VAL", @@ -2177,7 +2177,7 @@ static const char *frame_types[] = { }; #endif -static inline int ipw2100_alloc_skb(struct ipw2100_priv *priv, +static int ipw2100_alloc_skb(struct ipw2100_priv *priv, struct ipw2100_rx_packet *packet) { packet->skb = dev_alloc_skb(sizeof(struct ipw2100_rx)); @@ -2201,7 +2201,7 @@ static inline int ipw2100_alloc_skb(struct ipw2100_priv *priv, #define SEARCH_SNAPSHOT 1 #define SNAPSHOT_ADDR(ofs) (priv->snapshot[((ofs) >> 12) & 0xff] + ((ofs) & 0xfff)) -static inline int ipw2100_snapshot_alloc(struct ipw2100_priv *priv) +static int ipw2100_snapshot_alloc(struct ipw2100_priv *priv) { int i; if (priv->snapshot[0]) @@ -2221,7 +2221,7 @@ static inline int ipw2100_snapshot_alloc(struct ipw2100_priv *priv) return 1; } -static inline void ipw2100_snapshot_free(struct ipw2100_priv *priv) +static void ipw2100_snapshot_free(struct ipw2100_priv *priv) { int i; if (!priv->snapshot[0]) @@ -2231,7 +2231,7 @@ static inline void ipw2100_snapshot_free(struct ipw2100_priv *priv) priv->snapshot[0] = NULL; } -static inline u32 ipw2100_match_buf(struct ipw2100_priv *priv, u8 * in_buf, +static u32 ipw2100_match_buf(struct ipw2100_priv *priv, u8 * in_buf, size_t len, int mode) { u32 i, j; @@ -2288,9 +2288,9 @@ static inline u32 ipw2100_match_buf(struct ipw2100_priv *priv, u8 * in_buf, static u8 packet_data[IPW_RX_NIC_BUFFER_LENGTH]; #endif -static inline void ipw2100_corruption_detected(struct ipw2100_priv *priv, int i) +static void ipw2100_corruption_detected(struct ipw2100_priv *priv, int i) { -#ifdef CONFIG_IPW_DEBUG_C3 +#ifdef CONFIG_IPW2100_DEBUG_C3 struct ipw2100_status *status = &priv->status_queue.drv[i]; u32 match, reg; int j; @@ -2312,7 +2312,7 @@ static inline void ipw2100_corruption_detected(struct ipw2100_priv *priv, int i) } #endif -#ifdef CONFIG_IPW_DEBUG_C3 +#ifdef CONFIG_IPW2100_DEBUG_C3 /* Halt the fimrware so we can get a good image */ write_register(priv->net_dev, IPW_REG_RESET_REG, IPW_AUX_HOST_RESET_REG_STOP_MASTER); @@ -2346,7 +2346,7 @@ static inline void ipw2100_corruption_detected(struct ipw2100_priv *priv, int i) schedule_reset(priv); } -static inline void isr_rx(struct ipw2100_priv *priv, int i, +static void isr_rx(struct ipw2100_priv *priv, int i, struct ieee80211_rx_stats *stats) { struct ipw2100_status *status = &priv->status_queue.drv[i]; @@ -2425,7 +2425,7 @@ static inline void isr_rx(struct ipw2100_priv *priv, int i, priv->rx_queue.drv[i].host_addr = packet->dma_addr; } -static inline int ipw2100_corruption_check(struct ipw2100_priv *priv, int i) +static int ipw2100_corruption_check(struct ipw2100_priv *priv, int i) { struct ipw2100_status *status = &priv->status_queue.drv[i]; struct ipw2100_rx *u = priv->rx_buffers[i].rxp; @@ -2481,7 +2481,7 @@ static inline int ipw2100_corruption_check(struct ipw2100_priv *priv, int i) * The WRITE index is cached in the variable 'priv->rx_queue.next'. * */ -static inline void __ipw2100_rx_process(struct ipw2100_priv *priv) +static void __ipw2100_rx_process(struct ipw2100_priv *priv) { struct ipw2100_bd_queue *rxq = &priv->rx_queue; struct ipw2100_status_queue *sq = &priv->status_queue; @@ -2634,7 +2634,7 @@ static inline void __ipw2100_rx_process(struct ipw2100_priv *priv) * for use by future command and data packets. * */ -static inline int __ipw2100_tx_process(struct ipw2100_priv *priv) +static int __ipw2100_tx_process(struct ipw2100_priv *priv) { struct ipw2100_bd_queue *txq = &priv->tx_queue; struct ipw2100_bd *tbd; @@ -2716,7 +2716,7 @@ static inline int __ipw2100_tx_process(struct ipw2100_priv *priv) list_del(element); DEC_STAT(&priv->fw_pend_stat); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG { int i = txq->oldest; IPW_DEBUG_TX("TX%d V=%p P=%04X T=%04X L=%d\n", i, @@ -2782,7 +2782,7 @@ static inline int __ipw2100_tx_process(struct ipw2100_priv *priv) "something else: ids %d=%d.\n", priv->net_dev->name, txq->oldest, packet->index); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG if (packet->info.c_struct.cmd->host_command_reg < sizeof(command_types) / sizeof(*command_types)) IPW_DEBUG_TX("Command '%s (%d)' processed: %d.\n", @@ -2975,7 +2975,7 @@ static void ipw2100_tx_send_data(struct ipw2100_priv *priv) IPW_DEBUG_TX("data header tbd TX%d P=%08x L=%d\n", packet->index, tbd->host_addr, tbd->buf_length); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG if (packet->info.d_struct.txb->nr_frags > 1) IPW_DEBUG_FRAG("fragment Tx: %d frames\n", packet->info.d_struct.txb->nr_frags); @@ -3827,7 +3827,7 @@ static ssize_t show_stats(struct device *d, struct device_attribute *attr, priv->rx_interrupts, priv->inta_other); out += sprintf(out, "firmware resets: %d\n", priv->resets); out += sprintf(out, "firmware hangs: %d\n", priv->hangs); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG out += sprintf(out, "packet mismatch image: %s\n", priv->snapshot[0] ? "YES" : "NO"); #endif @@ -3982,7 +3982,7 @@ static ssize_t show_bssinfo(struct device *d, struct device_attribute *attr, static DEVICE_ATTR(bssinfo, S_IRUGO, show_bssinfo, NULL); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG static ssize_t show_debug_level(struct device_driver *d, char *buf) { return sprintf(buf, "0x%08X\n", ipw2100_debug_level); @@ -4011,7 +4011,7 @@ static ssize_t store_debug_level(struct device_driver *d, static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, show_debug_level, store_debug_level); -#endif /* CONFIG_IPW_DEBUG */ +#endif /* CONFIG_IPW2100_DEBUG */ static ssize_t show_fatal_error(struct device *d, struct device_attribute *attr, char *buf) @@ -4937,7 +4937,7 @@ static int ipw2100_set_mandatory_bssid(struct ipw2100_priv *priv, u8 * bssid, }; int err; -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG if (bssid != NULL) IPW_DEBUG_HC("MANDATORY_BSSID: %02X:%02X:%02X:%02X:%02X:%02X\n", bssid[0], bssid[1], bssid[2], bssid[3], bssid[4], @@ -5735,70 +5735,6 @@ static struct net_device_stats *ipw2100_stats(struct net_device *dev) return &priv->ieee->stats; } -#if WIRELESS_EXT < 18 -/* Support for wpa_supplicant before WE-18, deprecated. */ - -/* following definitions must match definitions in driver_ipw.c */ - -#define IPW2100_IOCTL_WPA_SUPPLICANT SIOCIWFIRSTPRIV+30 - -#define IPW2100_CMD_SET_WPA_PARAM 1 -#define IPW2100_CMD_SET_WPA_IE 2 -#define IPW2100_CMD_SET_ENCRYPTION 3 -#define IPW2100_CMD_MLME 4 - -#define IPW2100_PARAM_WPA_ENABLED 1 -#define IPW2100_PARAM_TKIP_COUNTERMEASURES 2 -#define IPW2100_PARAM_DROP_UNENCRYPTED 3 -#define IPW2100_PARAM_PRIVACY_INVOKED 4 -#define IPW2100_PARAM_AUTH_ALGS 5 -#define IPW2100_PARAM_IEEE_802_1X 6 - -#define IPW2100_MLME_STA_DEAUTH 1 -#define IPW2100_MLME_STA_DISASSOC 2 - -#define IPW2100_CRYPT_ERR_UNKNOWN_ALG 2 -#define IPW2100_CRYPT_ERR_UNKNOWN_ADDR 3 -#define IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED 4 -#define IPW2100_CRYPT_ERR_KEY_SET_FAILED 5 -#define IPW2100_CRYPT_ERR_TX_KEY_SET_FAILED 6 -#define IPW2100_CRYPT_ERR_CARD_CONF_FAILED 7 - -#define IPW2100_CRYPT_ALG_NAME_LEN 16 - -struct ipw2100_param { - u32 cmd; - u8 sta_addr[ETH_ALEN]; - union { - struct { - u8 name; - u32 value; - } wpa_param; - struct { - u32 len; - u8 reserved[32]; - u8 data[0]; - } wpa_ie; - struct { - u32 command; - u32 reason_code; - } mlme; - struct { - u8 alg[IPW2100_CRYPT_ALG_NAME_LEN]; - u8 set_tx; - u32 err; - u8 idx; - u8 seq[8]; /* sequence counter (set: RX, get: TX) */ - u16 key_len; - u8 key[0]; - } crypt; - - } u; -}; - -/* end of driver_ipw.c code */ -#endif /* WIRELESS_EXT < 18 */ - static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value) { /* This is called when wpa_supplicant loads and closes the driver @@ -5807,11 +5743,6 @@ static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value) return 0; } -#if WIRELESS_EXT < 18 -#define IW_AUTH_ALG_OPEN_SYSTEM 0x1 -#define IW_AUTH_ALG_SHARED_KEY 0x2 -#endif - static int ipw2100_wpa_set_auth_algs(struct ipw2100_priv *priv, int value) { @@ -5855,360 +5786,6 @@ void ipw2100_wpa_assoc_frame(struct ipw2100_priv *priv, ipw2100_set_wpa_ie(priv, &frame, 0); } -#if WIRELESS_EXT < 18 -static int ipw2100_wpa_set_param(struct net_device *dev, u8 name, u32 value) -{ - struct ipw2100_priv *priv = ieee80211_priv(dev); - struct ieee80211_crypt_data *crypt; - unsigned long flags; - int ret = 0; - - switch (name) { - case IPW2100_PARAM_WPA_ENABLED: - ret = ipw2100_wpa_enable(priv, value); - break; - - case IPW2100_PARAM_TKIP_COUNTERMEASURES: - crypt = priv->ieee->crypt[priv->ieee->tx_keyidx]; - if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags) - break; - - flags = crypt->ops->get_flags(crypt->priv); - - if (value) - flags |= IEEE80211_CRYPTO_TKIP_COUNTERMEASURES; - else - flags &= ~IEEE80211_CRYPTO_TKIP_COUNTERMEASURES; - - crypt->ops->set_flags(flags, crypt->priv); - - break; - - case IPW2100_PARAM_DROP_UNENCRYPTED:{ - /* See IW_AUTH_DROP_UNENCRYPTED handling for details */ - struct ieee80211_security sec = { - .flags = SEC_ENABLED, - .enabled = value, - }; - priv->ieee->drop_unencrypted = value; - /* We only change SEC_LEVEL for open mode. Others - * are set by ipw_wpa_set_encryption. - */ - if (!value) { - sec.flags |= SEC_LEVEL; - sec.level = SEC_LEVEL_0; - } else { - sec.flags |= SEC_LEVEL; - sec.level = SEC_LEVEL_1; - } - if (priv->ieee->set_security) - priv->ieee->set_security(priv->ieee->dev, &sec); - break; - } - - case IPW2100_PARAM_PRIVACY_INVOKED: - priv->ieee->privacy_invoked = value; - break; - - case IPW2100_PARAM_AUTH_ALGS: - ret = ipw2100_wpa_set_auth_algs(priv, value); - break; - - case IPW2100_PARAM_IEEE_802_1X: - priv->ieee->ieee802_1x = value; - break; - - default: - printk(KERN_ERR DRV_NAME ": %s: Unknown WPA param: %d\n", - dev->name, name); - ret = -EOPNOTSUPP; - } - - return ret; -} - -static int ipw2100_wpa_mlme(struct net_device *dev, int command, int reason) -{ - - struct ipw2100_priv *priv = ieee80211_priv(dev); - int ret = 0; - - switch (command) { - case IPW2100_MLME_STA_DEAUTH: - // silently ignore - break; - - case IPW2100_MLME_STA_DISASSOC: - ipw2100_disassociate_bssid(priv); - break; - - default: - printk(KERN_ERR DRV_NAME ": %s: Unknown MLME request: %d\n", - dev->name, command); - ret = -EOPNOTSUPP; - } - - return ret; -} - -static int ipw2100_wpa_set_wpa_ie(struct net_device *dev, - struct ipw2100_param *param, int plen) -{ - - struct ipw2100_priv *priv = ieee80211_priv(dev); - struct ieee80211_device *ieee = priv->ieee; - u8 *buf; - - if (!ieee->wpa_enabled) - return -EOPNOTSUPP; - - if (param->u.wpa_ie.len > MAX_WPA_IE_LEN || - (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL)) - return -EINVAL; - - if (param->u.wpa_ie.len) { - buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL); - if (buf == NULL) - return -ENOMEM; - - memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len); - - kfree(ieee->wpa_ie); - ieee->wpa_ie = buf; - ieee->wpa_ie_len = param->u.wpa_ie.len; - - } else { - kfree(ieee->wpa_ie); - ieee->wpa_ie = NULL; - ieee->wpa_ie_len = 0; - } - - ipw2100_wpa_assoc_frame(priv, ieee->wpa_ie, ieee->wpa_ie_len); - - return 0; -} - -/* implementation borrowed from hostap driver */ - -static int ipw2100_wpa_set_encryption(struct net_device *dev, - struct ipw2100_param *param, - int param_len) -{ - int ret = 0; - struct ipw2100_priv *priv = ieee80211_priv(dev); - struct ieee80211_device *ieee = priv->ieee; - struct ieee80211_crypto_ops *ops; - struct ieee80211_crypt_data **crypt; - - struct ieee80211_security sec = { - .flags = 0, - }; - - param->u.crypt.err = 0; - param->u.crypt.alg[IPW2100_CRYPT_ALG_NAME_LEN - 1] = '\0'; - - if (param_len != - (int)((char *)param->u.crypt.key - (char *)param) + - param->u.crypt.key_len) { - IPW_DEBUG_INFO("Len mismatch %d, %d\n", param_len, - param->u.crypt.key_len); - return -EINVAL; - } - if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff && - param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && - param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { - if (param->u.crypt.idx >= WEP_KEYS) - return -EINVAL; - crypt = &ieee->crypt[param->u.crypt.idx]; - } else { - return -EINVAL; - } - - sec.flags |= SEC_ENABLED | SEC_ENCRYPT; - if (strcmp(param->u.crypt.alg, "none") == 0) { - if (crypt) { - sec.enabled = 0; - sec.encrypt = 0; - sec.level = SEC_LEVEL_0; - sec.flags |= SEC_LEVEL; - ieee80211_crypt_delayed_deinit(ieee, crypt); - } - goto done; - } - sec.enabled = 1; - sec.encrypt = 1; - - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("ieee80211_crypt_wep"); - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("ieee80211_crypt_tkip"); - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("ieee80211_crypt_ccmp"); - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } - if (ops == NULL) { - IPW_DEBUG_INFO("%s: unknown crypto alg '%s'\n", - dev->name, param->u.crypt.alg); - param->u.crypt.err = IPW2100_CRYPT_ERR_UNKNOWN_ALG; - ret = -EINVAL; - goto done; - } - - if (*crypt == NULL || (*crypt)->ops != ops) { - struct ieee80211_crypt_data *new_crypt; - - ieee80211_crypt_delayed_deinit(ieee, crypt); - - new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL); - if (new_crypt == NULL) { - ret = -ENOMEM; - goto done; - } - new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) - new_crypt->priv = - new_crypt->ops->init(param->u.crypt.idx); - - if (new_crypt->priv == NULL) { - kfree(new_crypt); - param->u.crypt.err = - IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED; - ret = -EINVAL; - goto done; - } - - *crypt = new_crypt; - } - - if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key && - (*crypt)->ops->set_key(param->u.crypt.key, - param->u.crypt.key_len, param->u.crypt.seq, - (*crypt)->priv) < 0) { - IPW_DEBUG_INFO("%s: key setting failed\n", dev->name); - param->u.crypt.err = IPW2100_CRYPT_ERR_KEY_SET_FAILED; - ret = -EINVAL; - goto done; - } - - if (param->u.crypt.set_tx) { - ieee->tx_keyidx = param->u.crypt.idx; - sec.active_key = param->u.crypt.idx; - sec.flags |= SEC_ACTIVE_KEY; - } - - if (ops->name != NULL) { - - if (strcmp(ops->name, "WEP") == 0) { - memcpy(sec.keys[param->u.crypt.idx], - param->u.crypt.key, param->u.crypt.key_len); - sec.key_sizes[param->u.crypt.idx] = - param->u.crypt.key_len; - sec.flags |= (1 << param->u.crypt.idx); - sec.flags |= SEC_LEVEL; - sec.level = SEC_LEVEL_1; - } else if (strcmp(ops->name, "TKIP") == 0) { - sec.flags |= SEC_LEVEL; - sec.level = SEC_LEVEL_2; - } else if (strcmp(ops->name, "CCMP") == 0) { - sec.flags |= SEC_LEVEL; - sec.level = SEC_LEVEL_3; - } - } - done: - if (ieee->set_security) - ieee->set_security(ieee->dev, &sec); - - /* Do not reset port if card is in Managed mode since resetting will - * generate new IEEE 802.11 authentication which may end up in looping - * with IEEE 802.1X. If your hardware requires a reset after WEP - * configuration (for example... Prism2), implement the reset_port in - * the callbacks structures used to initialize the 802.11 stack. */ - if (ieee->reset_on_keychange && - ieee->iw_mode != IW_MODE_INFRA && - ieee->reset_port && ieee->reset_port(dev)) { - IPW_DEBUG_INFO("%s: reset_port failed\n", dev->name); - param->u.crypt.err = IPW2100_CRYPT_ERR_CARD_CONF_FAILED; - return -EINVAL; - } - - return ret; -} - -static int ipw2100_wpa_supplicant(struct net_device *dev, struct iw_point *p) -{ - - struct ipw2100_param *param; - int ret = 0; - - IPW_DEBUG_IOCTL("wpa_supplicant: len=%d\n", p->length); - - if (p->length < sizeof(struct ipw2100_param) || !p->pointer) - return -EINVAL; - - param = (struct ipw2100_param *)kmalloc(p->length, GFP_KERNEL); - if (param == NULL) - return -ENOMEM; - - if (copy_from_user(param, p->pointer, p->length)) { - kfree(param); - return -EFAULT; - } - - switch (param->cmd) { - - case IPW2100_CMD_SET_WPA_PARAM: - ret = ipw2100_wpa_set_param(dev, param->u.wpa_param.name, - param->u.wpa_param.value); - break; - - case IPW2100_CMD_SET_WPA_IE: - ret = ipw2100_wpa_set_wpa_ie(dev, param, p->length); - break; - - case IPW2100_CMD_SET_ENCRYPTION: - ret = ipw2100_wpa_set_encryption(dev, param, p->length); - break; - - case IPW2100_CMD_MLME: - ret = ipw2100_wpa_mlme(dev, param->u.mlme.command, - param->u.mlme.reason_code); - break; - - default: - printk(KERN_ERR DRV_NAME - ": %s: Unknown WPA supplicant request: %d\n", dev->name, - param->cmd); - ret = -EOPNOTSUPP; - - } - - if (ret == 0 && copy_to_user(p->pointer, param, p->length)) - ret = -EFAULT; - - kfree(param); - return ret; -} - -static int ipw2100_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct iwreq *wrq = (struct iwreq *)rq; - int ret = -1; - switch (cmd) { - case IPW2100_IOCTL_WPA_SUPPLICANT: - ret = ipw2100_wpa_supplicant(dev, &wrq->u.data); - return ret; - - default: - return -EOPNOTSUPP; - } - - return -EOPNOTSUPP; -} -#endif /* WIRELESS_EXT < 18 */ - static void ipw_ethtool_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { @@ -6337,9 +5914,6 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev, dev->open = ipw2100_open; dev->stop = ipw2100_close; dev->init = ipw2100_net_init; -#if WIRELESS_EXT < 18 - dev->do_ioctl = ipw2100_ioctl; -#endif dev->get_stats = ipw2100_stats; dev->ethtool_ops = &ipw2100_ethtool_ops; dev->tx_timeout = ipw2100_tx_timeout; @@ -6858,7 +6432,7 @@ static int __init ipw2100_init(void) ret = pci_module_init(&ipw2100_pci_driver); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG ipw2100_debug_level = debug; driver_create_file(&ipw2100_pci_driver.driver, &driver_attr_debug_level); @@ -6873,7 +6447,7 @@ static int __init ipw2100_init(void) static void __exit ipw2100_exit(void) { /* FIXME: IPG: check that we have no instances of the devices open */ -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG driver_remove_file(&ipw2100_pci_driver.driver, &driver_attr_debug_level); #endif @@ -7153,7 +6727,7 @@ static int ipw2100_wx_get_range(struct net_device *dev, /* Set the Wireless Extension versions */ range->we_version_compiled = WIRELESS_EXT; - range->we_version_source = 16; + range->we_version_source = 18; // range->retry_capa; /* What retry options are supported */ // range->retry_flags; /* How to decode max/min retry limit */ @@ -7184,6 +6758,9 @@ static int ipw2100_wx_get_range(struct net_device *dev, IW_EVENT_CAPA_MASK(SIOCGIWAP)); range->event_capa[1] = IW_EVENT_CAPA_K_1; + range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | + IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; + IPW_DEBUG_WX("GET Range\n"); return 0; @@ -7852,7 +7429,6 @@ static int ipw2100_wx_get_power(struct net_device *dev, return 0; } -#if WIRELESS_EXT > 17 /* * WE-18 WPA support */ @@ -8114,7 +7690,6 @@ static int ipw2100_wx_set_mlme(struct net_device *dev, } return 0; } -#endif /* WIRELESS_EXT > 17 */ /* * @@ -8347,11 +7922,7 @@ static iw_handler ipw2100_wx_handlers[] = { NULL, /* SIOCWIWTHRSPY */ ipw2100_wx_set_wap, /* SIOCSIWAP */ ipw2100_wx_get_wap, /* SIOCGIWAP */ -#if WIRELESS_EXT > 17 ipw2100_wx_set_mlme, /* SIOCSIWMLME */ -#else - NULL, /* -- hole -- */ -#endif NULL, /* SIOCGIWAPLIST -- deprecated */ ipw2100_wx_set_scan, /* SIOCSIWSCAN */ ipw2100_wx_get_scan, /* SIOCGIWSCAN */ @@ -8375,7 +7946,6 @@ static iw_handler ipw2100_wx_handlers[] = { ipw2100_wx_get_encode, /* SIOCGIWENCODE */ ipw2100_wx_set_power, /* SIOCSIWPOWER */ ipw2100_wx_get_power, /* SIOCGIWPOWER */ -#if WIRELESS_EXT > 17 NULL, /* -- hole -- */ NULL, /* -- hole -- */ ipw2100_wx_set_genie, /* SIOCSIWGENIE */ @@ -8385,7 +7955,6 @@ static iw_handler ipw2100_wx_handlers[] = { ipw2100_wx_set_encodeext, /* SIOCSIWENCODEEXT */ ipw2100_wx_get_encodeext, /* SIOCGIWENCODEEXT */ NULL, /* SIOCSIWPMKSA */ -#endif }; #define IPW2100_PRIV_SET_MONITOR SIOCIWFIRSTPRIV @@ -8558,7 +8127,7 @@ static struct iw_statistics *ipw2100_wx_wireless_stats(struct net_device *dev) quality = min(beacon_qual, min(tx_qual, rssi_qual)); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2100_DEBUG if (beacon_qual == quality) IPW_DEBUG_WX("Quality clamped by Missed Beacons\n"); else if (tx_qual == quality) diff --git a/drivers/net/wireless/ipw2100.h b/drivers/net/wireless/ipw2100.h index 7c65b10bb16..f6c51441fa8 100644 --- a/drivers/net/wireless/ipw2100.h +++ b/drivers/net/wireless/ipw2100.h @@ -73,7 +73,7 @@ struct ipw2100_rx_packet; * you simply need to add your entry to the ipw2100_debug_levels array. * * If you do not see debug_level in /proc/net/ipw2100 then you do not have - * CONFIG_IPW_DEBUG defined in your kernel configuration + * CONFIG_IPW2100_DEBUG defined in your kernel configuration * */ diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 5e7c7e944c9..4c28e332ecc 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -462,7 +462,7 @@ static inline void ipw_disable_interrupts(struct ipw_priv *priv) ipw_write32(priv, IPW_INTA_MASK_R, ~IPW_INTA_MASK_ALL); } -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG static char *ipw_error_desc(u32 val) { switch (val) { @@ -813,7 +813,7 @@ static void ipw_bg_led_link_off(void *data) up(&priv->sem); } -static inline void __ipw_led_activity_on(struct ipw_priv *priv) +static void __ipw_led_activity_on(struct ipw_priv *priv) { u32 led; @@ -1235,7 +1235,7 @@ static ssize_t store_scan_age(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { struct ipw_priv *priv = dev_get_drvdata(d); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG struct net_device *dev = priv->net_dev; #endif char buffer[] = "00000000"; @@ -1508,7 +1508,7 @@ static ssize_t store_direct_dword(struct device *d, static DEVICE_ATTR(direct_dword, S_IWUSR | S_IRUGO, show_direct_dword, store_direct_dword); -static inline int rf_kill_active(struct ipw_priv *priv) +static int rf_kill_active(struct ipw_priv *priv) { if (0 == (ipw_read32(priv, 0x30) & 0x10000)) priv->status |= STATUS_RF_KILL_HW; @@ -1754,7 +1754,7 @@ static void ipw_irq_tasklet(struct ipw_priv *priv) IPW_ERROR("Firmware error detected. Restarting.\n"); if (priv->error) { IPW_ERROR("Sysfs 'error' log already exists.\n"); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG if (ipw_debug_level & IPW_DL_FW_ERRORS) { struct ipw_fw_error *error = ipw_alloc_error_log(priv); @@ -1770,7 +1770,7 @@ static void ipw_irq_tasklet(struct ipw_priv *priv) else IPW_ERROR("Error allocating sysfs 'error' " "log.\n"); -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG if (ipw_debug_level & IPW_DL_FW_ERRORS) ipw_dump_error_log(priv, priv->error); #endif @@ -2359,7 +2359,7 @@ static inline void eeprom_write_reg(struct ipw_priv *p, u32 data) } /* perform a chip select operation */ -static inline void eeprom_cs(struct ipw_priv *priv) +static void eeprom_cs(struct ipw_priv *priv) { eeprom_write_reg(priv, 0); eeprom_write_reg(priv, EEPROM_BIT_CS); @@ -2368,7 +2368,7 @@ static inline void eeprom_cs(struct ipw_priv *priv) } /* perform a chip select operation */ -static inline void eeprom_disable_cs(struct ipw_priv *priv) +static void eeprom_disable_cs(struct ipw_priv *priv) { eeprom_write_reg(priv, EEPROM_BIT_CS); eeprom_write_reg(priv, 0); @@ -2475,7 +2475,7 @@ static void ipw_eeprom_init_sram(struct ipw_priv *priv) IPW_DEBUG_TRACE("<<\n"); } -static inline void ipw_zero_memory(struct ipw_priv *priv, u32 start, u32 count) +static void ipw_zero_memory(struct ipw_priv *priv, u32 start, u32 count) { count >>= 2; if (!count) @@ -2772,7 +2772,7 @@ static inline int ipw_alive(struct ipw_priv *priv) return ipw_read32(priv, 0x90) == 0xd55555d5; } -static inline int ipw_poll_bit(struct ipw_priv *priv, u32 addr, u32 mask, +static int ipw_poll_bit(struct ipw_priv *priv, u32 addr, u32 mask, int timeout) { int i = 0; @@ -3150,7 +3150,7 @@ static int ipw_get_fw(struct ipw_priv *priv, #define IPW_RX_BUF_SIZE (3000) -static inline void ipw_rx_queue_reset(struct ipw_priv *priv, +static void ipw_rx_queue_reset(struct ipw_priv *priv, struct ipw_rx_queue *rxq) { unsigned long flags; @@ -3608,7 +3608,7 @@ static void ipw_tx_queue_free(struct ipw_priv *priv) ipw_queue_tx_free(priv, &priv->txq[3]); } -static inline void ipw_create_bssid(struct ipw_priv *priv, u8 * bssid) +static void ipw_create_bssid(struct ipw_priv *priv, u8 * bssid) { /* First 3 bytes are manufacturer */ bssid[0] = priv->mac_addr[0]; @@ -3622,7 +3622,7 @@ static inline void ipw_create_bssid(struct ipw_priv *priv, u8 * bssid) bssid[0] |= 0x02; /* set local assignment bit (IEEE802) */ } -static inline u8 ipw_add_station(struct ipw_priv *priv, u8 * bssid) +static u8 ipw_add_station(struct ipw_priv *priv, u8 * bssid) { struct ipw_station_entry entry; int i; @@ -3655,7 +3655,7 @@ static inline u8 ipw_add_station(struct ipw_priv *priv, u8 * bssid) return i; } -static inline u8 ipw_find_station(struct ipw_priv *priv, u8 * bssid) +static u8 ipw_find_station(struct ipw_priv *priv, u8 * bssid) { int i; @@ -3778,7 +3778,7 @@ static const struct ipw_status_code ipw_status_codes[] = { {0x2E, "Cipher suite is rejected per security policy"}, }; -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG static const char *ipw_get_status_code(u16 status) { int i; @@ -3794,7 +3794,7 @@ static void inline average_init(struct average *avg) memset(avg, 0, sizeof(*avg)); } -static void inline average_add(struct average *avg, s16 val) +static void average_add(struct average *avg, s16 val) { avg->sum -= avg->entries[avg->pos]; avg->sum += val; @@ -3805,7 +3805,7 @@ static void inline average_add(struct average *avg, s16 val) } } -static s16 inline average_value(struct average *avg) +static s16 average_value(struct average *avg) { if (!unlikely(avg->init)) { if (avg->pos) @@ -3847,7 +3847,7 @@ static void ipw_reset_stats(struct ipw_priv *priv) } -static inline u32 ipw_get_max_rate(struct ipw_priv *priv) +static u32 ipw_get_max_rate(struct ipw_priv *priv) { u32 i = 0x80000000; u32 mask = priv->rates_mask; @@ -4087,7 +4087,7 @@ static void ipw_bg_gather_stats(void *data) * roaming_threshold -> disassociate_threshold, scan and roam for better signal. * Above disassociate threshold, give up and stop scanning. * Roaming is disabled if disassociate_threshold <= roaming_threshold */ -static inline void ipw_handle_missed_beacon(struct ipw_priv *priv, +static void ipw_handle_missed_beacon(struct ipw_priv *priv, int missed_count) { priv->notif_missed_beacons = missed_count; @@ -4157,7 +4157,7 @@ static inline void ipw_handle_missed_beacon(struct ipw_priv *priv, * Handle host notification packet. * Called from interrupt routine */ -static inline void ipw_rx_notification(struct ipw_priv *priv, +static void ipw_rx_notification(struct ipw_priv *priv, struct ipw_rx_notification *notif) { notif->size = le16_to_cpu(notif->size); @@ -4250,7 +4250,7 @@ static inline void ipw_rx_notification(struct ipw_priv *priv, if (priv-> status & (STATUS_ASSOCIATED | STATUS_AUTH)) { -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG struct notif_authenticate *auth = ¬if->u.auth; IPW_DEBUG(IPW_DL_NOTIF | @@ -4944,12 +4944,11 @@ static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *priv) struct ipw_rx_queue *rxq; int i; - rxq = (struct ipw_rx_queue *)kmalloc(sizeof(*rxq), GFP_KERNEL); + rxq = kzalloc(sizeof(*rxq), GFP_KERNEL); if (unlikely(!rxq)) { IPW_ERROR("memory allocation failed\n"); return NULL; } - memset(rxq, 0, sizeof(*rxq)); spin_lock_init(&rxq->lock); INIT_LIST_HEAD(&rxq->rx_free); INIT_LIST_HEAD(&rxq->rx_used); @@ -5096,7 +5095,7 @@ static int ipw_compatible_rates(struct ipw_priv *priv, return 1; } -static inline void ipw_copy_rates(struct ipw_supported_rates *dest, +static void ipw_copy_rates(struct ipw_supported_rates *dest, const struct ipw_supported_rates *src) { u8 i; @@ -5828,7 +5827,7 @@ static void ipw_bg_adhoc_check(void *data) up(&priv->sem); } -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG static void ipw_debug_config(struct ipw_priv *priv) { IPW_DEBUG_INFO("Scan completed, no valid APs matched " @@ -5857,7 +5856,7 @@ static void ipw_debug_config(struct ipw_priv *priv) #define ipw_debug_config(x) do {} while (0) #endif -static inline void ipw_set_fixed_rate(struct ipw_priv *priv, int mode) +static void ipw_set_fixed_rate(struct ipw_priv *priv, int mode) { /* TODO: Verify that this works... */ struct ipw_fixed_rate fr = { @@ -7456,8 +7455,7 @@ static void ipw_handle_data_packet(struct ipw_priv *priv, /* HW decrypt will not clear the WEP bit, MIC, PN, etc. */ hdr = (struct ieee80211_hdr_4addr *)rxb->skb->data; if (priv->ieee->iw_mode != IW_MODE_MONITOR && - ((is_multicast_ether_addr(hdr->addr1) || - is_broadcast_ether_addr(hdr->addr1)) ? + (is_multicast_ether_addr(hdr->addr1) ? !priv->ieee->host_mc_decrypt : !priv->ieee->host_decrypt)) ipw_rebuild_decrypted_skb(priv, rxb->skb); @@ -7636,7 +7634,7 @@ static void ipw_handle_data_packet_monitor(struct ipw_priv *priv, } #endif -static inline int is_network_packet(struct ipw_priv *priv, +static int is_network_packet(struct ipw_priv *priv, struct ieee80211_hdr_4addr *header) { /* Filter incoming packets to determine if they are targetted toward @@ -7648,8 +7646,7 @@ static inline int is_network_packet(struct ipw_priv *priv, return 0; /* {broad,multi}cast packets to our BSSID go through */ - if (is_multicast_ether_addr(header->addr1) || - is_broadcast_ether_addr(header->addr1)) + if (is_multicast_ether_addr(header->addr1)) return !memcmp(header->addr3, priv->bssid, ETH_ALEN); /* packets to our adapter go through */ @@ -7662,8 +7659,7 @@ static inline int is_network_packet(struct ipw_priv *priv, return 0; /* {broad,multi}cast packets to our BSS go through */ - if (is_multicast_ether_addr(header->addr1) || - is_broadcast_ether_addr(header->addr1)) + if (is_multicast_ether_addr(header->addr1)) return !memcmp(header->addr2, priv->bssid, ETH_ALEN); /* packets to our adapter go through */ @@ -7676,7 +7672,7 @@ static inline int is_network_packet(struct ipw_priv *priv, #define IPW_PACKET_RETRY_TIME HZ -static inline int is_duplicate_packet(struct ipw_priv *priv, +static int is_duplicate_packet(struct ipw_priv *priv, struct ieee80211_hdr_4addr *header) { u16 sc = le16_to_cpu(header->seq_ctl); @@ -7815,7 +7811,7 @@ static void ipw_rx(struct ipw_priv *priv) while (i != r) { rxb = priv->rxq->queue[i]; -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG if (unlikely(rxb == NULL)) { printk(KERN_CRIT "Queue not allocated!\n"); break; @@ -8940,14 +8936,12 @@ static int ipw_request_direct_scan(struct ipw_priv *priv, char *essid, IPW_DEBUG_HC("starting request direct scan!\n"); if (priv->status & (STATUS_SCANNING | STATUS_SCAN_ABORTING)) { - err = wait_event_interruptible(priv->wait_state, - !(priv-> - status & (STATUS_SCANNING | - STATUS_SCAN_ABORTING))); - if (err) { - IPW_DEBUG_HC("aborting direct scan"); - goto done; - } + /* We should not sleep here; otherwise we will block most + * of the system (for instance, we hold rtnl_lock when we + * get here). + */ + err = -EAGAIN; + goto done; } memset(&scan, 0, sizeof(scan)); @@ -9585,7 +9579,7 @@ static struct iw_statistics *ipw_get_wireless_stats(struct net_device *dev) /* net device stuff */ -static inline void init_sys_config(struct ipw_sys_config *sys_config) +static void init_sys_config(struct ipw_sys_config *sys_config) { memset(sys_config, 0, sizeof(struct ipw_sys_config)); sys_config->bt_coexistence = 1; /* We may need to look into prvStaBtConfig */ @@ -9631,7 +9625,7 @@ modify to send one tfd per fragment instead of using chunking. otherwise we need to heavily modify the ieee80211_skb_to_txb. */ -static inline int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, +static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, int pri) { struct ieee80211_hdr_3addr *hdr = (struct ieee80211_hdr_3addr *) @@ -9657,8 +9651,7 @@ static inline int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, switch (priv->ieee->iw_mode) { case IW_MODE_ADHOC: hdr_len = IEEE80211_3ADDR_LEN; - unicast = !(is_multicast_ether_addr(hdr->addr1) || - is_broadcast_ether_addr(hdr->addr1)); + unicast = !is_multicast_ether_addr(hdr->addr1); id = ipw_find_station(priv, hdr->addr1); if (id == IPW_INVALID_STATION) { id = ipw_add_station(priv, hdr->addr1); @@ -9673,8 +9666,7 @@ static inline int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, case IW_MODE_INFRA: default: - unicast = !(is_multicast_ether_addr(hdr->addr3) || - is_broadcast_ether_addr(hdr->addr3)); + unicast = !is_multicast_ether_addr(hdr->addr3); hdr_len = IEEE80211_3ADDR_LEN; id = 0; break; @@ -10956,7 +10948,7 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) priv->net_dev = net_dev; priv->pci_dev = pdev; -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG ipw_debug_level = debug; #endif spin_lock_init(&priv->lock); diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h index 1c98db0652c..e65620a4d79 100644 --- a/drivers/net/wireless/ipw2200.h +++ b/drivers/net/wireless/ipw2200.h @@ -1301,14 +1301,14 @@ struct ipw_priv { /* debug macros */ -#ifdef CONFIG_IPW_DEBUG +#ifdef CONFIG_IPW2200_DEBUG #define IPW_DEBUG(level, fmt, args...) \ do { if (ipw_debug_level & (level)) \ printk(KERN_DEBUG DRV_NAME": %c %s " fmt, \ in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) #else #define IPW_DEBUG(level, fmt, args...) do {} while (0) -#endif /* CONFIG_IPW_DEBUG */ +#endif /* CONFIG_IPW2200_DEBUG */ /* * To use the debug system; @@ -1332,7 +1332,7 @@ do { if (ipw_debug_level & (level)) \ * you simply need to add your entry to the ipw_debug_levels array. * * If you do not see debug_level in /proc/net/ipw then you do not have - * CONFIG_IPW_DEBUG defined in your kernel configuration + * CONFIG_IPW2200_DEBUG defined in your kernel configuration * */ diff --git a/drivers/net/wireless/netwave_cs.c b/drivers/net/wireless/netwave_cs.c index 92793b958e3..bf6271ee387 100644 --- a/drivers/net/wireless/netwave_cs.c +++ b/drivers/net/wireless/netwave_cs.c @@ -166,8 +166,6 @@ static char *version = #define DEBUG(n, args...) #endif -static dev_info_t dev_info = "netwave_cs"; - /*====================================================================*/ /* Parameters that can be set with 'insmod' */ @@ -195,12 +193,9 @@ module_param(mem_speed, int, 0); /* PCMCIA (Card Services) related functions */ static void netwave_release(dev_link_t *link); /* Card removal */ -static int netwave_event(event_t event, int priority, - event_callback_args_t *args); static void netwave_pcmcia_config(dev_link_t *arg); /* Runs after card insertion */ -static dev_link_t *netwave_attach(void); /* Create instance */ -static void netwave_detach(dev_link_t *); /* Destroy instance */ +static void netwave_detach(struct pcmcia_device *p_dev); /* Destroy instance */ /* Hardware configuration */ static void netwave_doreset(kio_addr_t iobase, u_char __iomem *ramBase); @@ -228,17 +223,6 @@ static struct iw_statistics* netwave_get_wireless_stats(struct net_device *dev); static void set_multicast_list(struct net_device *dev); /* - A linked list of "instances" of the skeleton device. Each actual - PCMCIA card corresponds to one device instance, and is described - by one dev_link_t structure (defined in ds.h). - - You may not want to use a linked list for this -- for example, the - memory card driver uses an array of dev_link_t pointers, where minor - device numbers are used to derive the corresponding array index. -*/ -static dev_link_t *dev_list; - -/* A dev_link_t structure has fields for most things that are needed to keep track of a socket, but there will usually be some device specific information that also needs to be kept track of. The @@ -394,20 +378,18 @@ static struct iw_statistics *netwave_get_wireless_stats(struct net_device *dev) * configure the card at this point -- we wait until we receive a * card insertion event. */ -static dev_link_t *netwave_attach(void) +static int netwave_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; struct net_device *dev; netwave_private *priv; - int ret; - + DEBUG(0, "netwave_attach()\n"); - + /* Initialize the dev_link_t structure */ dev = alloc_etherdev(sizeof(netwave_private)); if (!dev) - return NULL; + return -ENOMEM; priv = netdev_priv(dev); link = &priv->link; link->priv = dev; @@ -449,21 +431,14 @@ static dev_link_t *netwave_attach(void) dev->open = &netwave_open; dev->stop = &netwave_close; link->irq.Instance = dev; - - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - cs_error(link->handle, RegisterClient, ret); - netwave_detach(link); - return NULL; - } - return link; + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + netwave_pcmcia_config( link); + + return 0; } /* netwave_attach */ /* @@ -474,42 +449,20 @@ static dev_link_t *netwave_attach(void) * structures are freed. Otherwise, the structures will be freed * when the device is released. */ -static void netwave_detach(dev_link_t *link) +static void netwave_detach(struct pcmcia_device *p_dev) { - struct net_device *dev = link->priv; - dev_link_t **linkp; + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; - DEBUG(0, "netwave_detach(0x%p)\n", link); - - /* - If the device is currently configured and active, we won't - actually delete it yet. Instead, it is marked so that when - the release() function is called, that will trigger a proper - detach(). - */ - if (link->state & DEV_CONFIG) - netwave_release(link); - - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - { - DEBUG(1, "netwave_cs: detach fail, '%s' not in list\n", - link->dev->dev_name); - return; - } - - /* Unlink device structure, free pieces */ - *linkp = link->next; - if (link->dev) - unregister_netdev(dev); - free_netdev(dev); - + DEBUG(0, "netwave_detach(0x%p)\n", link); + + if (link->state & DEV_CONFIG) + netwave_release(link); + + if (link->dev) + unregister_netdev(dev); + + free_netdev(dev); } /* netwave_detach */ /* @@ -935,69 +888,38 @@ static void netwave_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/* - * Function netwave_event (event, priority, args) - * - * The card status event handler. Mostly, this schedules other - * stuff to run after an event is received. A CARD_REMOVAL event - * also sets some flags to discourage the net drivers from trying - * to talk to the card any more. - * - * When a CARD_REMOVAL event is received, we immediately set a flag - * to block future accesses to this device. All the functions that - * actually access the device should check this flag to make sure - * the card is still present. - * - */ -static int netwave_event(event_t event, int priority, - event_callback_args_t *args) +static int netwave_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - struct net_device *dev = link->priv; - - DEBUG(1, "netwave_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_REGISTRATION_COMPLETE: - DEBUG(0, "netwave_cs: registration complete\n"); - break; - - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - netif_device_detach(dev); - netwave_release(link); - } - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - netwave_pcmcia_config( link); - break; - case CS_EVENT_PM_SUSPEND: + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); + if (link->open) + netif_device_detach(dev); + pcmcia_release_configuration(link->handle); } - break; - case CS_EVENT_PM_RESUME: + + return 0; +} + +static int netwave_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - netwave_reset(dev); - netif_device_attach(dev); - } + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + netwave_reset(dev); + netif_device_attach(dev); + } } - break; - } - return 0; -} /* netwave_event */ + + return 0; +} + /* * Function netwave_doreset (ioBase, ramBase) @@ -1491,10 +1413,11 @@ static struct pcmcia_driver netwave_driver = { .drv = { .name = "netwave_cs", }, - .attach = netwave_attach, - .event = netwave_event, - .detach = netwave_detach, + .probe = netwave_attach, + .remove = netwave_detach, .id_table = netwave_ids, + .suspend = netwave_suspend, + .resume = netwave_resume, }; static int __init init_netwave_cs(void) @@ -1505,7 +1428,6 @@ static int __init init_netwave_cs(void) static void __exit exit_netwave_cs(void) { pcmcia_unregister_driver(&netwave_driver); - BUG_ON(dev_list != NULL); } module_init(init_netwave_cs); diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c index 488ab06fb79..6fd0bf73683 100644 --- a/drivers/net/wireless/orinoco.c +++ b/drivers/net/wireless/orinoco.c @@ -3512,9 +3512,8 @@ static int orinoco_ioctl_setpower(struct net_device *dev, break; default: err = -EINVAL; - } - if (err) goto out; + } if (prq->flags & IW_POWER_TIMEOUT) { priv->pm_on = 1; diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c index dc1128a0097..b664708481c 100644 --- a/drivers/net/wireless/orinoco_cs.c +++ b/drivers/net/wireless/orinoco_cs.c @@ -43,17 +43,6 @@ module_param(ignore_cis_vcc, int, 0); MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket"); /********************************************************************/ -/* Magic constants */ -/********************************************************************/ - -/* - * The dev_info variable is the "key" that is used to match up this - * device driver with appropriate cards, through the card - * configuration database. - */ -static dev_info_t dev_info = DRIVER_NAME; - -/********************************************************************/ /* Data structures */ /********************************************************************/ @@ -69,19 +58,14 @@ struct orinoco_pccard { unsigned long hard_reset_in_progress; }; -/* - * A linked list of "instances" of the device. Each actual PCMCIA - * card corresponds to one device instance, and is described by one - * dev_link_t structure (defined in ds.h). - */ -static dev_link_t *dev_list; /* = NULL */ /********************************************************************/ /* Function prototypes */ /********************************************************************/ +static void orinoco_cs_config(dev_link_t *link); static void orinoco_cs_release(dev_link_t *link); -static void orinoco_cs_detach(dev_link_t *link); +static void orinoco_cs_detach(struct pcmcia_device *p_dev); /********************************************************************/ /* Device methods */ @@ -119,19 +103,17 @@ orinoco_cs_hard_reset(struct orinoco_private *priv) * The dev_link structure is initialized, but we don't actually * configure the card at this point -- we wait until we receive a card * insertion event. */ -static dev_link_t * -orinoco_cs_attach(void) +static int +orinoco_cs_attach(struct pcmcia_device *p_dev) { struct net_device *dev; struct orinoco_private *priv; struct orinoco_pccard *card; dev_link_t *link; - client_reg_t client_reg; - int ret; dev = alloc_orinocodev(sizeof(*card), orinoco_cs_hard_reset); if (! dev) - return NULL; + return -ENOMEM; priv = netdev_priv(dev); card = priv->card; @@ -154,22 +136,15 @@ orinoco_cs_attach(void) link->conf.IntType = INT_MEMORY_AND_IO; /* Register with Card Services */ - /* FIXME: need a lock? */ - link->next = dev_list; - dev_list = link; - - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; /* FIXME: what does this mean? */ - client_reg.event_callback_args.client_data = link; - - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != CS_SUCCESS) { - cs_error(link->handle, RegisterClient, ret); - orinoco_cs_detach(link); - return NULL; - } + link->next = NULL; + + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + orinoco_cs_config(link); - return link; + return 0; } /* orinoco_cs_attach */ /* @@ -178,27 +153,14 @@ orinoco_cs_attach(void) * are freed. Otherwise, the structures will be freed when the device * is released. */ -static void orinoco_cs_detach(dev_link_t *link) +static void orinoco_cs_detach(struct pcmcia_device *p_dev) { - dev_link_t **linkp; + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) - break; - - BUG_ON(*linkp == NULL); - if (link->state & DEV_CONFIG) orinoco_cs_release(link); - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, and free it */ - *linkp = link->next; DEBUG(0, PFX "detach: link=%p link->dev=%p\n", link, link->dev); if (link->dev) { DEBUG(0, PFX "About to unregister net device %p\n", @@ -465,106 +427,82 @@ orinoco_cs_release(dev_link_t *link) ioport_unmap(priv->hw.iobase); } /* orinoco_cs_release */ -/* - * The card status event handler. Mostly, this schedules other stuff - * to run after an event is received. - */ -static int -orinoco_cs_event(event_t event, int priority, - event_callback_args_t * args) +static int orinoco_cs_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); struct orinoco_pccard *card = priv->card; int err = 0; unsigned long flags; - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - unsigned long flags; - + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + /* This is probably racy, but I can't think of + a better way, short of rewriting the PCMCIA + layer to not suck :-( */ + if (! test_bit(0, &card->hard_reset_in_progress)) { spin_lock_irqsave(&priv->lock, flags); + + err = __orinoco_down(dev); + if (err) + printk(KERN_WARNING "%s: Error %d downing interface\n", + dev->name, err); + netif_device_detach(dev); priv->hw_unavailable++; + spin_unlock_irqrestore(&priv->lock, flags); } - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - orinoco_cs_config(link); - break; + pcmcia_release_configuration(link->handle); + } - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - /* Mark the device as stopped, to block IO until later */ - if (link->state & DEV_CONFIG) { - /* This is probably racy, but I can't think of - a better way, short of rewriting the PCMCIA - layer to not suck :-( */ - if (! test_bit(0, &card->hard_reset_in_progress)) { - spin_lock_irqsave(&priv->lock, flags); - - err = __orinoco_down(dev); - if (err) - printk(KERN_WARNING "%s: %s: Error %d downing interface\n", - dev->name, - event == CS_EVENT_PM_SUSPEND ? "SUSPEND" : "RESET_PHYSICAL", - err); - - netif_device_detach(dev); - priv->hw_unavailable++; - - spin_unlock_irqrestore(&priv->lock, flags); + return 0; +} + +static int orinoco_cs_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + struct orinoco_private *priv = netdev_priv(dev); + struct orinoco_pccard *card = priv->card; + int err = 0; + unsigned long flags; + + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + /* FIXME: should we double check that this is + * the same card as we had before */ + pcmcia_request_configuration(link->handle, &link->conf); + + if (! test_bit(0, &card->hard_reset_in_progress)) { + err = orinoco_reinit_firmware(dev); + if (err) { + printk(KERN_ERR "%s: Error %d re-initializing firmware\n", + dev->name, err); + return -EIO; } - pcmcia_release_configuration(link->handle); - } - break; + spin_lock_irqsave(&priv->lock, flags); + + netif_device_attach(dev); + priv->hw_unavailable--; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - /* FIXME: should we double check that this is - * the same card as we had before */ - pcmcia_request_configuration(link->handle, &link->conf); - - if (! test_bit(0, &card->hard_reset_in_progress)) { - err = orinoco_reinit_firmware(dev); - if (err) { - printk(KERN_ERR "%s: Error %d re-initializing firmware\n", + if (priv->open && ! priv->hw_unavailable) { + err = __orinoco_up(dev); + if (err) + printk(KERN_ERR "%s: Error %d restarting card\n", dev->name, err); - break; - } - - spin_lock_irqsave(&priv->lock, flags); - - netif_device_attach(dev); - priv->hw_unavailable--; - - if (priv->open && ! priv->hw_unavailable) { - err = __orinoco_up(dev); - if (err) - printk(KERN_ERR "%s: Error %d restarting card\n", - dev->name, err); - - } - - spin_unlock_irqrestore(&priv->lock, flags); } + + spin_unlock_irqrestore(&priv->lock, flags); } - break; } - return err; -} /* orinoco_cs_event */ + return 0; +} + /********************************************************************/ /* Module initialization */ @@ -665,10 +603,11 @@ static struct pcmcia_driver orinoco_driver = { .drv = { .name = DRIVER_NAME, }, - .attach = orinoco_cs_attach, - .detach = orinoco_cs_detach, - .event = orinoco_cs_event, + .probe = orinoco_cs_attach, + .remove = orinoco_cs_detach, .id_table = orinoco_cs_ids, + .suspend = orinoco_cs_suspend, + .resume = orinoco_cs_resume, }; static int __init @@ -683,7 +622,6 @@ static void __exit exit_orinoco_cs(void) { pcmcia_unregister_driver(&orinoco_driver); - BUG_ON(dev_list != NULL); } module_init(init_orinoco_cs); diff --git a/drivers/net/wireless/orinoco_nortel.c b/drivers/net/wireless/orinoco_nortel.c index d8afd51ff8a..d1a670b3533 100644 --- a/drivers/net/wireless/orinoco_nortel.c +++ b/drivers/net/wireless/orinoco_nortel.c @@ -1,6 +1,8 @@ /* orinoco_nortel.c * * Driver for Prism II devices which would usually be driven by orinoco_cs, + * but are connected to the PCI bus by a PCI-to-PCMCIA adapter used in + * Nortel emobility, Symbol LA-4113 and Symbol LA-4123. * but are connected to the PCI bus by a Nortel PCI-PCMCIA-Adapter. * * Copyright (C) 2002 Tobias Hoffmann @@ -165,7 +167,7 @@ static int nortel_pci_init_one(struct pci_dev *pdev, goto fail_resources; } - iomem = pci_iomap(pdev, 3, 0); + iomem = pci_iomap(pdev, 2, 0); if (!iomem) { err = -ENOMEM; goto fail_map_io; @@ -265,6 +267,8 @@ static void __devexit nortel_pci_remove_one(struct pci_dev *pdev) static struct pci_device_id nortel_pci_id_table[] = { /* Nortel emobility PCI */ {0x126c, 0x8030, PCI_ANY_ID, PCI_ANY_ID,}, + /* Symbol LA-4123 PCI */ + {0x1562, 0x0001, PCI_ANY_ID, PCI_ANY_ID,}, {0,}, }; diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 135a156db25..c5cd61c7f92 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -748,7 +748,7 @@ prism54_get_essid(struct net_device *ndev, struct iw_request_info *info, if (essid->length) { dwrq->flags = 1; /* set ESSID to ON for Wireless Extensions */ /* if it is to big, trunk it */ - dwrq->length = min(IW_ESSID_MAX_SIZE, essid->length + 1); + dwrq->length = min(IW_ESSID_MAX_SIZE, essid->length); } else { dwrq->flags = 0; dwrq->length = 0; diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c index 33d64d2ee53..a8261d8454d 100644 --- a/drivers/net/wireless/prism54/islpci_eth.c +++ b/drivers/net/wireless/prism54/islpci_eth.c @@ -177,7 +177,7 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev) #endif newskb->dev = skb->dev; - dev_kfree_skb(skb); + dev_kfree_skb_irq(skb); skb = newskb; } } diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index 70fd6fd8feb..7880d8c31aa 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -92,9 +92,7 @@ module_param(pc_debug, int, 0); /** Prototypes based on PCMCIA skeleton driver *******************************/ static void ray_config(dev_link_t *link); static void ray_release(dev_link_t *link); -static int ray_event(event_t event, int priority, event_callback_args_t *args); -static dev_link_t *ray_attach(void); -static void ray_detach(dev_link_t *); +static void ray_detach(struct pcmcia_device *p_dev); /***** Prototypes indicated by device structure ******************************/ static int ray_dev_close(struct net_device *dev); @@ -192,12 +190,6 @@ static int bc; static char *phy_addr = NULL; -/* The dev_info variable is the "key" that is used to match up this - device driver with appropriate cards, through the card configuration - database. -*/ -static dev_info_t dev_info = "ray_cs"; - /* A linked list of "instances" of the ray device. Each actual PCMCIA card corresponds to one device instance, and is described by one dev_link_t structure (defined in ds.h). @@ -314,12 +306,10 @@ static char rcsid[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world. configure the card at this point -- we wait until we receive a card insertion event. =============================================================================*/ -static dev_link_t *ray_attach(void) +static int ray_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; ray_dev_t *local; - int ret; struct net_device *dev; DEBUG(1, "ray_attach()\n"); @@ -328,7 +318,7 @@ static dev_link_t *ray_attach(void) link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); if (!link) - return NULL; + return -ENOMEM; /* Allocate space for private device-specific data */ dev = alloc_etherdev(sizeof(ray_dev_t)); @@ -387,30 +377,19 @@ static dev_link_t *ray_attach(void) dev->stop = &ray_dev_close; netif_stop_queue(dev); - /* Register with Card Services */ - link->next = dev_list; - dev_list = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; + init_timer(&local->timer); - DEBUG(2,"ray_cs ray_attach calling pcmcia_register_client(...)\n"); + link->handle = p_dev; + p_dev->instance = link; - init_timer(&local->timer); + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + ray_config(link); - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != 0) { - printk("ray_cs ray_attach RegisterClient unhappy - detaching\n"); - cs_error(link->handle, RegisterClient, ret); - ray_detach(link); - return NULL; - } - DEBUG(2,"ray_cs ray_attach ending\n"); - return link; + return 0; fail_alloc_dev: kfree(link); - return NULL; + return -ENOMEM; } /* ray_attach */ /*============================================================================= This deletes a driver "instance". The device is de-registered @@ -418,9 +397,12 @@ fail_alloc_dev: structures are freed. Otherwise, the structures will be freed when the device is released. =============================================================================*/ -static void ray_detach(dev_link_t *link) +static void ray_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); dev_link_t **linkp; + struct net_device *dev; + ray_dev_t *local; DEBUG(1, "ray_detach(0x%p)\n", link); @@ -430,22 +412,18 @@ static void ray_detach(dev_link_t *link) if (*linkp == NULL) return; - /* If the device is currently configured and active, we won't - actually delete it yet. Instead, it is marked so that when - the release() function is called, that will trigger a proper - detach(). - */ - if (link->state & DEV_CONFIG) - ray_release(link); + dev = link->priv; + + if (link->state & DEV_CONFIG) { + ray_release(link); + + local = (ray_dev_t *)dev->priv; + del_timer(&local->timer); + } - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - /* Unlink device structure, free pieces */ *linkp = link->next; if (link->priv) { - struct net_device *dev = link->priv; if (link->dev) unregister_netdev(dev); free_netdev(dev); } @@ -891,65 +869,40 @@ static void ray_release(dev_link_t *link) DEBUG(2,"ray_release ending\n"); } -/*============================================================================= - The card status event handler. Mostly, this schedules other - stuff to run after an event is received. A CARD_REMOVAL event - also sets some flags to discourage the net drivers from trying - to talk to the card any more. - - When a CARD_REMOVAL event is received, we immediately set a flag - to block future accesses to this device. All the functions that - actually access the device should check this flag to make sure - the card is still present. -=============================================================================*/ -static int ray_event(event_t event, int priority, - event_callback_args_t *args) +static int ray_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; - struct net_device *dev = link->priv; - ray_dev_t *local = (ray_dev_t *)dev->priv; - DEBUG(1, "ray_event(0x%06x)\n", event); - - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - netif_device_detach(dev); - if (link->state & DEV_CONFIG) { - ray_release(link); - del_timer(&local->timer); - } - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - ray_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + + link->state |= DEV_SUSPEND; if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); + if (link->open) + netif_device_detach(dev); - pcmcia_release_configuration(link->handle); + pcmcia_release_configuration(link->handle); } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: + + + return 0; +} + +static int ray_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + + link->state &= ~DEV_SUSPEND; if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - ray_reset(dev); - netif_device_attach(dev); - } + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + ray_reset(dev); + netif_device_attach(dev); + } } - break; - } - return 0; - DEBUG(2,"ray_event ending\n"); -} /* ray_event */ + + return 0; +} + /*===========================================================================*/ int ray_dev_init(struct net_device *dev) { @@ -1303,7 +1256,7 @@ static int ray_get_essid(struct net_device *dev, extra[IW_ESSID_MAX_SIZE] = '\0'; /* Push it out ! */ - dwrq->length = strlen(extra) + 1; + dwrq->length = strlen(extra); dwrq->flags = 1; /* active */ return 0; @@ -2945,10 +2898,11 @@ static struct pcmcia_driver ray_driver = { .drv = { .name = "ray_cs", }, - .attach = ray_attach, - .event = ray_event, - .detach = ray_detach, + .probe = ray_attach, + .remove = ray_detach, .id_table = ray_ids, + .suspend = ray_suspend, + .resume = ray_resume, }; static int __init init_ray_cs(void) diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c index b1bbc8e8e91..fee4be1ce81 100644 --- a/drivers/net/wireless/spectrum_cs.c +++ b/drivers/net/wireless/spectrum_cs.c @@ -57,17 +57,6 @@ module_param(ignore_cis_vcc, int, 0); MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket"); /********************************************************************/ -/* Magic constants */ -/********************************************************************/ - -/* - * The dev_info variable is the "key" that is used to match up this - * device driver with appropriate cards, through the card - * configuration database. - */ -static dev_info_t dev_info = DRIVER_NAME; - -/********************************************************************/ /* Data structures */ /********************************************************************/ @@ -78,19 +67,12 @@ struct orinoco_pccard { dev_node_t node; }; -/* - * A linked list of "instances" of the device. Each actual PCMCIA - * card corresponds to one device instance, and is described by one - * dev_link_t structure (defined in ds.h). - */ -static dev_link_t *dev_list; /* = NULL */ - /********************************************************************/ /* Function prototypes */ /********************************************************************/ +static void spectrum_cs_config(dev_link_t *link); static void spectrum_cs_release(dev_link_t *link); -static void spectrum_cs_detach(dev_link_t *link); /********************************************************************/ /* Firmware downloader */ @@ -601,19 +583,17 @@ spectrum_cs_hard_reset(struct orinoco_private *priv) * The dev_link structure is initialized, but we don't actually * configure the card at this point -- we wait until we receive a card * insertion event. */ -static dev_link_t * -spectrum_cs_attach(void) +static int +spectrum_cs_attach(struct pcmcia_device *p_dev) { struct net_device *dev; struct orinoco_private *priv; struct orinoco_pccard *card; dev_link_t *link; - client_reg_t client_reg; - int ret; dev = alloc_orinocodev(sizeof(*card), spectrum_cs_hard_reset); if (! dev) - return NULL; + return -ENOMEM; priv = netdev_priv(dev); card = priv->card; @@ -635,23 +615,13 @@ spectrum_cs_attach(void) link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY_AND_IO; - /* Register with Card Services */ - /* FIXME: need a lock? */ - link->next = dev_list; - dev_list = link; + link->handle = p_dev; + p_dev->instance = link; - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; /* FIXME: what does this mean? */ - client_reg.event_callback_args.client_data = link; + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + spectrum_cs_config(link); - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret != CS_SUCCESS) { - cs_error(link->handle, RegisterClient, ret); - spectrum_cs_detach(link); - return NULL; - } - - return link; + return 0; } /* spectrum_cs_attach */ /* @@ -660,27 +630,14 @@ spectrum_cs_attach(void) * are freed. Otherwise, the structures will be freed when the device * is released. */ -static void spectrum_cs_detach(dev_link_t *link) +static void spectrum_cs_detach(struct pcmcia_device *p_dev) { - dev_link_t **linkp; + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) - break; - - BUG_ON(*linkp == NULL); - if (link->state & DEV_CONFIG) spectrum_cs_release(link); - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); - - /* Unlink device structure, and free it */ - *linkp = link->next; DEBUG(0, PFX "detach: link=%p link->dev=%p\n", link, link->dev); if (link->dev) { DEBUG(0, PFX "About to unregister net device %p\n", @@ -948,82 +905,56 @@ spectrum_cs_release(dev_link_t *link) ioport_unmap(priv->hw.iobase); } /* spectrum_cs_release */ -/* - * The card status event handler. Mostly, this schedules other stuff - * to run after an event is received. - */ + static int -spectrum_cs_event(event_t event, int priority, - event_callback_args_t * args) +spectrum_cs_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); - int err = 0; unsigned long flags; + int err = 0; - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - unsigned long flags; + link->state |= DEV_SUSPEND; + /* Mark the device as stopped, to block IO until later */ + if (link->state & DEV_CONFIG) { + spin_lock_irqsave(&priv->lock, flags); - spin_lock_irqsave(&priv->lock, flags); - netif_device_detach(dev); - priv->hw_unavailable++; - spin_unlock_irqrestore(&priv->lock, flags); - } - break; + err = __orinoco_down(dev); + if (err) + printk(KERN_WARNING "%s: Error %d downing interface\n", + dev->name, err); - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - spectrum_cs_config(link); - break; + netif_device_detach(dev); + priv->hw_unavailable++; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - /* Mark the device as stopped, to block IO until later */ - if (link->state & DEV_CONFIG) { - /* This is probably racy, but I can't think of - a better way, short of rewriting the PCMCIA - layer to not suck :-( */ - spin_lock_irqsave(&priv->lock, flags); - - err = __orinoco_down(dev); - if (err) - printk(KERN_WARNING "%s: %s: Error %d downing interface\n", - dev->name, - event == CS_EVENT_PM_SUSPEND ? "SUSPEND" : "RESET_PHYSICAL", - err); - - netif_device_detach(dev); - priv->hw_unavailable++; - - spin_unlock_irqrestore(&priv->lock, flags); - - pcmcia_release_configuration(link->handle); - } - break; + spin_unlock_irqrestore(&priv->lock, flags); - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - /* FIXME: should we double check that this is - * the same card as we had before */ - pcmcia_request_configuration(link->handle, &link->conf); - netif_device_attach(dev); - priv->hw_unavailable--; - schedule_work(&priv->reset_work); - } - break; + pcmcia_release_configuration(link->handle); + } + + return 0; +} + +static int +spectrum_cs_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + struct orinoco_private *priv = netdev_priv(dev); + + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + /* FIXME: should we double check that this is + * the same card as we had before */ + pcmcia_request_configuration(link->handle, &link->conf); + netif_device_attach(dev); + priv->hw_unavailable--; + schedule_work(&priv->reset_work); } + return 0; +} - return err; -} /* spectrum_cs_event */ /********************************************************************/ /* Module initialization */ @@ -1048,9 +979,10 @@ static struct pcmcia_driver orinoco_driver = { .drv = { .name = DRIVER_NAME, }, - .attach = spectrum_cs_attach, - .detach = spectrum_cs_detach, - .event = spectrum_cs_event, + .probe = spectrum_cs_attach, + .remove = spectrum_cs_detach, + .suspend = spectrum_cs_suspend, + .resume = spectrum_cs_resume, .id_table = spectrum_cs_ids, }; @@ -1066,7 +998,6 @@ static void __exit exit_spectrum_cs(void) { pcmcia_unregister_driver(&orinoco_driver); - BUG_ON(dev_list != NULL); } module_init(init_spectrum_cs); diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c index d25264ba0c0..18baacfc5a2 100644 --- a/drivers/net/wireless/strip.c +++ b/drivers/net/wireless/strip.c @@ -1675,11 +1675,6 @@ static int strip_rebuild_header(struct sk_buff *skb) /************************************************************************/ /* Receiving routines */ -static int strip_receive_room(struct tty_struct *tty) -{ - return 0x10000; /* We can handle an infinite amount of data. :-) */ -} - /* * This function parses the response to the ATS300? command, * extracting the radio version and serial number. @@ -2424,7 +2419,7 @@ static struct net_device_stats *strip_get_stats(struct net_device *dev) /* * Here's the order things happen: * When the user runs "slattach -p strip ..." - * 1. The TTY module calls strip_open + * 1. The TTY module calls strip_open;; * 2. strip_open calls strip_alloc * 3. strip_alloc calls register_netdev * 4. register_netdev calls strip_dev_init @@ -2652,6 +2647,8 @@ static int strip_open(struct tty_struct *tty) strip_info->tty = tty; tty->disc_data = strip_info; + tty->receive_room = 65536; + if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty); @@ -2762,7 +2759,6 @@ static struct tty_ldisc strip_ldisc = { .close = strip_close, .ioctl = strip_ioctl, .receive_buf = strip_receive_buf, - .receive_room = strip_receive_room, .write_wakeup = strip_write_some_more, }; diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c index b0d8b5b0315..ff192e96268 100644 --- a/drivers/net/wireless/wavelan.c +++ b/drivers/net/wireless/wavelan.c @@ -102,7 +102,7 @@ static inline void hacr_write(unsigned long ioaddr, u16 hacr) * Write to card's Host Adapter Command Register. Include a delay for * those times when it is needed. */ -static inline void hacr_write_slow(unsigned long ioaddr, u16 hacr) +static void hacr_write_slow(unsigned long ioaddr, u16 hacr) { hacr_write(ioaddr, hacr); /* delay might only be needed sometimes */ @@ -242,7 +242,7 @@ static void psa_write(unsigned long ioaddr, u16 hacr, int o, /* Offset in PSA */ * The Windows drivers don't use the CRC, but the AP and the PtP tool * depend on it. */ -static inline u16 psa_crc(u8 * psa, /* The PSA */ +static u16 psa_crc(u8 * psa, /* The PSA */ int size) { /* Number of short for CRC */ int byte_cnt; /* Loop on the PSA */ @@ -310,7 +310,7 @@ static void update_psa_checksum(struct net_device * dev, unsigned long ioaddr, u /* * Write 1 byte to the MMC. */ -static inline void mmc_out(unsigned long ioaddr, u16 o, u8 d) +static void mmc_out(unsigned long ioaddr, u16 o, u8 d) { int count = 0; @@ -326,7 +326,7 @@ static inline void mmc_out(unsigned long ioaddr, u16 o, u8 d) * Routine to write bytes to the Modem Management Controller. * We start at the end because it is the way it should be! */ -static inline void mmc_write(unsigned long ioaddr, u8 o, u8 * b, int n) +static void mmc_write(unsigned long ioaddr, u8 o, u8 * b, int n) { o += n; b += n; @@ -340,7 +340,7 @@ static inline void mmc_write(unsigned long ioaddr, u8 o, u8 * b, int n) * Read a byte from the MMC. * Optimised version for 1 byte, avoid using memory. */ -static inline u8 mmc_in(unsigned long ioaddr, u16 o) +static u8 mmc_in(unsigned long ioaddr, u16 o) { int count = 0; @@ -587,7 +587,7 @@ static void wv_ack(struct net_device * dev) * Set channel attention bit and busy wait until command has * completed, then acknowledge completion of the command. */ -static inline int wv_synchronous_cmd(struct net_device * dev, const char *str) +static int wv_synchronous_cmd(struct net_device * dev, const char *str) { net_local *lp = (net_local *) dev->priv; unsigned long ioaddr = dev->base_addr; @@ -633,7 +633,7 @@ static inline int wv_synchronous_cmd(struct net_device * dev, const char *str) * Configuration commands completion interrupt. * Check if done, and if OK. */ -static inline int +static int wv_config_complete(struct net_device * dev, unsigned long ioaddr, net_local * lp) { unsigned short mcs_addr; @@ -843,7 +843,7 @@ if (lp->tx_n_in_use > 0) * wavelan_interrupt is not an option), so you may experience * delays sometimes. */ -static inline void wv_82586_reconfig(struct net_device * dev) +static void wv_82586_reconfig(struct net_device * dev) { net_local *lp = (net_local *) dev->priv; unsigned long flags; @@ -1281,7 +1281,7 @@ static inline void wv_packet_info(u8 * p, /* Packet to dump */ * This is the information which is displayed by the driver at startup. * There are lots of flags for configuring it to your liking. */ -static inline void wv_init_info(struct net_device * dev) +static void wv_init_info(struct net_device * dev) { short ioaddr = dev->base_addr; net_local *lp = (net_local *) dev->priv; @@ -1502,7 +1502,7 @@ static int wavelan_set_mac_address(struct net_device * dev, void *addr) * It's a bit complicated and you don't really want to look into it. * (called in wavelan_ioctl) */ -static inline int wv_set_frequency(unsigned long ioaddr, /* I/O port of the card */ +static int wv_set_frequency(unsigned long ioaddr, /* I/O port of the card */ iw_freq * frequency) { const int BAND_NUM = 10; /* Number of bands */ @@ -1677,7 +1677,7 @@ static inline int wv_set_frequency(unsigned long ioaddr, /* I/O port of the card /* * Give the list of available frequencies. */ -static inline int wv_frequency_list(unsigned long ioaddr, /* I/O port of the card */ +static int wv_frequency_list(unsigned long ioaddr, /* I/O port of the card */ iw_freq * list, /* List of frequencies to fill */ int max) { /* Maximum number of frequencies */ @@ -2489,7 +2489,7 @@ static iw_stats *wavelan_get_wireless_stats(struct net_device * dev) * Note: if any errors occur, the packet is "dropped on the floor". * (called by wv_packet_rcv()) */ -static inline void +static void wv_packet_read(struct net_device * dev, u16 buf_off, int sksize) { net_local *lp = (net_local *) dev->priv; @@ -2585,7 +2585,7 @@ wv_packet_read(struct net_device * dev, u16 buf_off, int sksize) * (called in wavelan_interrupt()). * Note : the spinlock is already grabbed for us. */ -static inline void wv_receive(struct net_device * dev) +static void wv_receive(struct net_device * dev) { unsigned long ioaddr = dev->base_addr; net_local *lp = (net_local *) dev->priv; @@ -2768,7 +2768,7 @@ static inline void wv_receive(struct net_device * dev) * * (called in wavelan_packet_xmit()) */ -static inline int wv_packet_write(struct net_device * dev, void *buf, short length) +static int wv_packet_write(struct net_device * dev, void *buf, short length) { net_local *lp = (net_local *) dev->priv; unsigned long ioaddr = dev->base_addr; @@ -2964,7 +2964,7 @@ static int wavelan_packet_xmit(struct sk_buff *skb, struct net_device * dev) * Routine to initialize the Modem Management Controller. * (called by wv_hw_reset()) */ -static inline int wv_mmc_init(struct net_device * dev) +static int wv_mmc_init(struct net_device * dev) { unsigned long ioaddr = dev->base_addr; net_local *lp = (net_local *) dev->priv; @@ -3136,7 +3136,7 @@ static inline int wv_mmc_init(struct net_device * dev) * Start the receive unit. * (called by wv_hw_reset()) */ -static inline int wv_ru_start(struct net_device * dev) +static int wv_ru_start(struct net_device * dev) { net_local *lp = (net_local *) dev->priv; unsigned long ioaddr = dev->base_addr; @@ -3228,7 +3228,7 @@ static inline int wv_ru_start(struct net_device * dev) * * (called by wv_hw_reset()) */ -static inline int wv_cu_start(struct net_device * dev) +static int wv_cu_start(struct net_device * dev) { net_local *lp = (net_local *) dev->priv; unsigned long ioaddr = dev->base_addr; @@ -3329,7 +3329,7 @@ static inline int wv_cu_start(struct net_device * dev) * * (called by wv_hw_reset()) */ -static inline int wv_82586_start(struct net_device * dev) +static int wv_82586_start(struct net_device * dev) { net_local *lp = (net_local *) dev->priv; unsigned long ioaddr = dev->base_addr; @@ -3641,7 +3641,7 @@ static void wv_82586_config(struct net_device * dev) * WaveLAN controller (i82586). * (called by wavelan_close()) */ -static inline void wv_82586_stop(struct net_device * dev) +static void wv_82586_stop(struct net_device * dev) { net_local *lp = (net_local *) dev->priv; unsigned long ioaddr = dev->base_addr; diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index c822cad3333..cf373625fc7 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -2280,7 +2280,7 @@ static int wavelan_get_essid(struct net_device *dev, extra[IW_ESSID_MAX_SIZE] = '\0'; /* Set the length */ - wrqu->data.length = strlen(extra) + 1; + wrqu->data.length = strlen(extra); return 0; } @@ -4594,14 +4594,12 @@ wavelan_close(struct net_device * dev) * configure the card at this point -- we wait until we receive a * card insertion event. */ -static dev_link_t * -wavelan_attach(void) +static int +wavelan_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; /* Register with cardmgr */ dev_link_t * link; /* Info for cardmgr */ struct net_device * dev; /* Interface generic data */ net_local * lp; /* Interface specific data */ - int ret; #ifdef DEBUG_CALLBACK_TRACE printk(KERN_DEBUG "-> wavelan_attach()\n"); @@ -4609,7 +4607,7 @@ wavelan_attach(void) /* Initialize the dev_link_t structure */ link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL); - if (!link) return NULL; + if (!link) return -ENOMEM; /* The io structure describes IO port mapping */ link->io.NumPorts1 = 8; @@ -4627,14 +4625,13 @@ wavelan_attach(void) link->conf.IntType = INT_MEMORY_AND_IO; /* Chain drivers */ - link->next = dev_list; - dev_list = link; + link->next = NULL; /* Allocate the generic data structure */ dev = alloc_etherdev(sizeof(net_local)); if (!dev) { kfree(link); - return NULL; + return -ENOMEM; } link->priv = link->irq.Instance = dev; @@ -4679,28 +4676,21 @@ wavelan_attach(void) /* Other specific data */ dev->mtu = WAVELAN_MTU; - /* Register with Card Services */ - client_reg.dev_info = &dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; + link->handle = p_dev; + p_dev->instance = link; -#ifdef DEBUG_CONFIG_INFO - printk(KERN_DEBUG "wavelan_attach(): almost done, calling pcmcia_register_client\n"); -#endif - - ret = pcmcia_register_client(&link->handle, &client_reg); - if(ret != 0) - { - cs_error(link->handle, RegisterClient, ret); - wavelan_detach(link); - return NULL; - } + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + if(wv_pcmcia_config(link) && + wv_hw_config(dev)) + wv_init_info(dev); + else + dev->irq = 0; #ifdef DEBUG_CALLBACK_TRACE printk(KERN_DEBUG "<- wavelan_attach()\n"); #endif - return link; + return 0; } /*------------------------------------------------------------------*/ @@ -4711,8 +4701,10 @@ wavelan_attach(void) * is released. */ static void -wavelan_detach(dev_link_t * link) +wavelan_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); + #ifdef DEBUG_CALLBACK_TRACE printk(KERN_DEBUG "-> wavelan_detach(0x%p)\n", link); #endif @@ -4729,31 +4721,6 @@ wavelan_detach(dev_link_t * link) wv_pcmcia_release(link); } - /* Break the link with Card Services */ - if(link->handle) - pcmcia_deregister_client(link->handle); - - /* Remove the interface data from the linked list */ - if(dev_list == link) - dev_list = link->next; - else - { - dev_link_t * prev = dev_list; - - while((prev != (dev_link_t *) NULL) && (prev->next != link)) - prev = prev->next; - - if(prev == (dev_link_t *) NULL) - { -#ifdef DEBUG_CONFIG_ERRORS - printk(KERN_WARNING "wavelan_detach : Attempting to remove a nonexistent device.\n"); -#endif - return; - } - - prev->next = link->next; - } - /* Free pieces */ if(link->priv) { @@ -4775,65 +4742,11 @@ wavelan_detach(dev_link_t * link) #endif } -/*------------------------------------------------------------------*/ -/* - * The card status event handler. Mostly, this schedules other stuff - * to run after an event is received. A CARD_REMOVAL event also sets - * some flags to discourage the net drivers from trying to talk to the - * card any more. - */ -static int -wavelan_event(event_t event, /* The event received */ - int priority, - event_callback_args_t * args) +static int wavelan_suspend(struct pcmcia_device *p_dev) { - dev_link_t * link = (dev_link_t *) args->client_data; - struct net_device * dev = (struct net_device *) link->priv; - -#ifdef DEBUG_CALLBACK_TRACE - printk(KERN_DEBUG "->wavelan_event(): %s\n", - ((event == CS_EVENT_REGISTRATION_COMPLETE)?"registration complete" : - ((event == CS_EVENT_CARD_REMOVAL) ? "card removal" : - ((event == CS_EVENT_CARD_INSERTION) ? "card insertion" : - ((event == CS_EVENT_PM_SUSPEND) ? "pm suspend" : - ((event == CS_EVENT_RESET_PHYSICAL) ? "physical reset" : - ((event == CS_EVENT_PM_RESUME) ? "pm resume" : - ((event == CS_EVENT_CARD_RESET) ? "card reset" : - "unknown")))))))); -#endif - - switch(event) - { - case CS_EVENT_REGISTRATION_COMPLETE: -#ifdef DEBUG_CONFIG_INFO - printk(KERN_DEBUG "wavelan_cs: registration complete\n"); -#endif - break; + dev_link_t *link = dev_to_instance(p_dev); + struct net_device * dev = (struct net_device *) link->priv; - case CS_EVENT_CARD_REMOVAL: - /* Oups ! The card is no more there */ - link->state &= ~DEV_PRESENT; - if(link->state & DEV_CONFIG) - { - /* Accept no more transmissions */ - netif_device_detach(dev); - - /* Release the card */ - wv_pcmcia_release(link); - } - break; - - case CS_EVENT_CARD_INSERTION: - /* Reset and configure the card */ - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - if(wv_pcmcia_config(link) && - wv_hw_config(dev)) - wv_init_info(dev); - else - dev->irq = 0; - break; - - case CS_EVENT_PM_SUSPEND: /* NB: wavelan_close will be called, but too late, so we are * obliged to close nicely the wavelan here. David, could you * close the device before suspending them ? And, by the way, @@ -4848,38 +4761,37 @@ wavelan_event(event_t event, /* The event received */ /* The card is now suspended */ link->state |= DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: + if(link->state & DEV_CONFIG) - { - if(link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); - } - break; + { + if(link->open) + netif_device_detach(dev); + pcmcia_release_configuration(link->handle); + } + + return 0; +} + +static int wavelan_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device * dev = (struct net_device *) link->priv; - case CS_EVENT_PM_RESUME: link->state &= ~DEV_SUSPEND; - /* Fall through... */ - case CS_EVENT_CARD_RESET: if(link->state & DEV_CONFIG) - { - pcmcia_request_configuration(link->handle, &link->conf); - if(link->open) /* If RESET -> True, If RESUME -> False ? */ - { - wv_hw_reset(dev); - netif_device_attach(dev); - } - } - break; - } + { + pcmcia_request_configuration(link->handle, &link->conf); + if(link->open) /* If RESET -> True, If RESUME -> False ? */ + { + wv_hw_reset(dev); + netif_device_attach(dev); + } + } -#ifdef DEBUG_CALLBACK_TRACE - printk(KERN_DEBUG "<-wavelan_event()\n"); -#endif - return 0; + return 0; } + static struct pcmcia_device_id wavelan_ids[] = { PCMCIA_DEVICE_PROD_ID12("AT&T","WaveLAN/PCMCIA", 0xe7c5affd, 0x1bc50975), PCMCIA_DEVICE_PROD_ID12("Digital", "RoamAbout/DS", 0x9999ab35, 0x00d05e06), @@ -4894,10 +4806,11 @@ static struct pcmcia_driver wavelan_driver = { .drv = { .name = "wavelan_cs", }, - .attach = wavelan_attach, - .event = wavelan_event, - .detach = wavelan_detach, + .probe = wavelan_attach, + .remove = wavelan_detach, .id_table = wavelan_ids, + .suspend = wavelan_suspend, + .resume = wavelan_resume, }; static int __init diff --git a/drivers/net/wireless/wavelan_cs.p.h b/drivers/net/wireless/wavelan_cs.p.h index 724a715089c..f2d59756815 100644 --- a/drivers/net/wireless/wavelan_cs.p.h +++ b/drivers/net/wireless/wavelan_cs.p.h @@ -754,20 +754,11 @@ static void static int wavelan_open(struct net_device *), /* Open the device */ wavelan_close(struct net_device *); /* Close the device */ -static dev_link_t * - wavelan_attach(void); /* Create a new device */ static void - wavelan_detach(dev_link_t *); /* Destroy a removed device */ -static int - wavelan_event(event_t, /* Manage pcmcia events */ - int, - event_callback_args_t *); + wavelan_detach(struct pcmcia_device *p_dev); /* Destroy a removed device */ /**************************** VARIABLES ****************************/ -static dev_info_t dev_info = "wavelan_cs"; -static dev_link_t *dev_list = NULL; /* Linked list of devices */ - /* * Parameters that can be set with 'insmod' * The exact syntax is 'insmod wavelan_cs.o <var>=<value>' diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index 978fdc60678..48e10b0c7e7 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -105,7 +105,6 @@ module_param(pc_debug, int, 0); */ static void wl3501_config(dev_link_t *link); static void wl3501_release(dev_link_t *link); -static int wl3501_event(event_t event, int pri, event_callback_args_t *args); /* * The dev_info variable is the "key" that is used to match up this @@ -1498,9 +1497,11 @@ static struct ethtool_ops ops = { * Services. If it has been released, all local data structures are freed. * Otherwise, the structures will be freed when the device is released. */ -static void wl3501_detach(dev_link_t *link) +static void wl3501_detach(struct pcmcia_device *p_dev) { + dev_link_t *link = dev_to_instance(p_dev); dev_link_t **linkp; + struct net_device *dev = link->priv; /* Locate device structure */ for (linkp = &wl3501_dev_list; *linkp; linkp = &(*linkp)->next) @@ -1514,16 +1515,12 @@ static void wl3501_detach(dev_link_t *link) * function is called, that will trigger a proper detach(). */ if (link->state & DEV_CONFIG) { -#ifdef PCMCIA_DEBUG - printk(KERN_DEBUG "wl3501_cs: detach postponed, '%s' " - "still locked\n", link->dev->dev_name); -#endif - goto out; - } + while (link->open > 0) + wl3501_close(dev); - /* Break the link with Card Services */ - if (link->handle) - pcmcia_deregister_client(link->handle); + netif_device_detach(dev); + wl3501_release(link); + } /* Unlink device structure, free pieces */ *linkp = link->next; @@ -1956,18 +1953,16 @@ static const struct iw_handler_def wl3501_handler_def = { * The dev_link structure is initialized, but we don't actually configure the * card at this point -- we wait until we receive a card insertion event. */ -static dev_link_t *wl3501_attach(void) +static int wl3501_attach(struct pcmcia_device *p_dev) { - client_reg_t client_reg; dev_link_t *link; struct net_device *dev; struct wl3501_card *this; - int ret; /* Initialize the dev_link_t structure */ link = kzalloc(sizeof(*link), GFP_KERNEL); if (!link) - goto out; + return -ENOMEM; /* The io structure describes IO port mapping */ link->io.NumPorts1 = 16; @@ -2003,24 +1998,17 @@ static dev_link_t *wl3501_attach(void) netif_stop_queue(dev); link->priv = link->irq.Instance = dev; - /* Register with Card Services */ - link->next = wl3501_dev_list; - wl3501_dev_list = link; - client_reg.dev_info = &wl3501_dev_info; - client_reg.Version = 0x0210; - client_reg.event_callback_args.client_data = link; - ret = pcmcia_register_client(&link->handle, &client_reg); - if (ret) { - cs_error(link->handle, RegisterClient, ret); - wl3501_detach(link); - link = NULL; - } -out: - return link; + link->handle = p_dev; + p_dev->instance = link; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + wl3501_config(link); + + return 0; out_link: kfree(link); link = NULL; - goto out; + return -ENOMEM; } #define CS_CHECK(fn, ret) \ @@ -2173,67 +2161,41 @@ static void wl3501_release(dev_link_t *link) link->state &= ~DEV_CONFIG; } -/** - * wl3501_event - The card status event handler - * @event - event - * @pri - priority - * @args - arguments for this event - * - * The card status event handler. Mostly, this schedules other stuff to run - * after an event is received. A CARD_REMOVAL event also sets some flags to - * discourage the net drivers from trying to talk to the card any more. - * - * When a CARD_REMOVAL event is received, we immediately set a flag to block - * future accesses to this device. All the functions that actually access the - * device should check this flag to make sure the card is still present. - */ -static int wl3501_event(event_t event, int pri, event_callback_args_t *args) +static int wl3501_suspend(struct pcmcia_device *p_dev) { - dev_link_t *link = args->client_data; + dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - switch (event) { - case CS_EVENT_CARD_REMOVAL: - link->state &= ~DEV_PRESENT; - if (link->state & DEV_CONFIG) { - while (link->open > 0) - wl3501_close(dev); + link->state |= DEV_SUSPEND; + + wl3501_pwr_mgmt(dev->priv, WL3501_SUSPEND); + if (link->state & DEV_CONFIG) { + if (link->open) netif_device_detach(dev); - wl3501_release(link); - } - break; - case CS_EVENT_CARD_INSERTION: - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - wl3501_config(link); - break; - case CS_EVENT_PM_SUSPEND: - link->state |= DEV_SUSPEND; - wl3501_pwr_mgmt(dev->priv, WL3501_SUSPEND); - /* Fall through... */ - case CS_EVENT_RESET_PHYSICAL: - if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); - } - break; - case CS_EVENT_PM_RESUME: - link->state &= ~DEV_SUSPEND; - wl3501_pwr_mgmt(dev->priv, WL3501_RESUME); - /* Fall through... */ - case CS_EVENT_CARD_RESET: - if (link->state & DEV_CONFIG) { - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) { - wl3501_reset(dev); - netif_device_attach(dev); - } + pcmcia_release_configuration(link->handle); + } + + return 0; +} + +static int wl3501_resume(struct pcmcia_device *p_dev) +{ + dev_link_t *link = dev_to_instance(p_dev); + struct net_device *dev = link->priv; + + wl3501_pwr_mgmt(dev->priv, WL3501_RESUME); + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + if (link->open) { + wl3501_reset(dev); + netif_device_attach(dev); } - break; } + return 0; } + static struct pcmcia_device_id wl3501_ids[] = { PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0001), PCMCIA_DEVICE_NULL @@ -2245,10 +2207,11 @@ static struct pcmcia_driver wl3501_driver = { .drv = { .name = "wl3501_cs", }, - .attach = wl3501_attach, - .event = wl3501_event, - .detach = wl3501_detach, + .probe = wl3501_attach, + .remove = wl3501_detach, .id_table = wl3501_ids, + .suspend = wl3501_suspend, + .resume = wl3501_resume, }; static int __init wl3501_init_module(void) |