diff options
| author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-05-20 06:55:16 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 16:29:59 -0700 |
| commit | 2b133ad6e9e96798007e64eb912c42fa00adef0a (patch) | |
| tree | 34d1760a9257b150289893cda05b4adfa1990306 /drivers/net/atl1e | |
| parent | 3401299a1b9e747cbf7de2cc0c8f6376c3cbe565 (diff) | |
atl*: Move the Atheros drivers
Move the Atheros drivers into drivers/net/ethernet/atheros/ and
make the necessary Kconfig and Makefile changes.
CC: Jay Cliburn <jcliburn@gmail.com>
CC: Chris Snook <chris.snook@gmail.com>
CC: Jie Yang <jie.yang@atheros.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/atl1e')
| -rw-r--r-- | drivers/net/atl1e/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/atl1e/atl1e.h | 509 | ||||
| -rw-r--r-- | drivers/net/atl1e/atl1e_ethtool.c | 390 | ||||
| -rw-r--r-- | drivers/net/atl1e/atl1e_hw.c | 651 | ||||
| -rw-r--r-- | drivers/net/atl1e/atl1e_hw.h | 690 | ||||
| -rw-r--r-- | drivers/net/atl1e/atl1e_main.c | 2558 | ||||
| -rw-r--r-- | drivers/net/atl1e/atl1e_param.c | 268 |
7 files changed, 0 insertions, 5068 deletions
diff --git a/drivers/net/atl1e/Makefile b/drivers/net/atl1e/Makefile deleted file mode 100644 index bc11be824e7..00000000000 --- a/drivers/net/atl1e/Makefile +++ /dev/null @@ -1,2 +0,0 @@ -obj-$(CONFIG_ATL1E) += atl1e.o -atl1e-objs += atl1e_main.o atl1e_hw.o atl1e_ethtool.o atl1e_param.o diff --git a/drivers/net/atl1e/atl1e.h b/drivers/net/atl1e/atl1e.h deleted file mode 100644 index 829b5ad71d0..00000000000 --- a/drivers/net/atl1e/atl1e.h +++ /dev/null @@ -1,509 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * Copyright(c) 2007 xiong huang <xiong.huang@atheros.com> - * - * Derived from Intel e1000 driver - * 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) - * 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. - */ - -#ifndef _ATL1E_H_ -#define _ATL1E_H_ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/list.h> -#include <linux/delay.h> -#include <linux/sched.h> -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/ipv6.h> -#include <linux/udp.h> -#include <linux/mii.h> -#include <linux/io.h> -#include <linux/vmalloc.h> -#include <linux/pagemap.h> -#include <linux/tcp.h> -#include <linux/ethtool.h> -#include <linux/if_vlan.h> -#include <linux/workqueue.h> -#include <net/checksum.h> -#include <net/ip6_checksum.h> - -#include "atl1e_hw.h" - -#define PCI_REG_COMMAND 0x04 /* PCI Command Register */ -#define CMD_IO_SPACE 0x0001 -#define CMD_MEMORY_SPACE 0x0002 -#define CMD_BUS_MASTER 0x0004 - -#define BAR_0 0 -#define BAR_1 1 -#define BAR_5 5 - -/* Wake Up Filter Control */ -#define AT_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ -#define AT_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ -#define AT_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ -#define AT_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ -#define AT_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ - -#define SPEED_0 0xffff -#define HALF_DUPLEX 1 -#define FULL_DUPLEX 2 - -/* Error Codes */ -#define AT_ERR_EEPROM 1 -#define AT_ERR_PHY 2 -#define AT_ERR_CONFIG 3 -#define AT_ERR_PARAM 4 -#define AT_ERR_MAC_TYPE 5 -#define AT_ERR_PHY_TYPE 6 -#define AT_ERR_PHY_SPEED 7 -#define AT_ERR_PHY_RES 8 -#define AT_ERR_TIMEOUT 9 - -#define MAX_JUMBO_FRAME_SIZE 0x2000 - -#define AT_VLAN_TAG_TO_TPD_TAG(_vlan, _tpd) \ - _tpd = (((_vlan) << (4)) | (((_vlan) >> 13) & 7) |\ - (((_vlan) >> 9) & 8)) - -#define AT_TPD_TAG_TO_VLAN_TAG(_tpd, _vlan) \ - _vlan = (((_tpd) >> 8) | (((_tpd) & 0x77) << 9) |\ - (((_tdp) & 0x88) << 5)) - -#define AT_MAX_RECEIVE_QUEUE 4 -#define AT_PAGE_NUM_PER_QUEUE 2 - -#define AT_DMA_HI_ADDR_MASK 0xffffffff00000000ULL -#define AT_DMA_LO_ADDR_MASK 0x00000000ffffffffULL - -#define AT_TX_WATCHDOG (5 * HZ) -#define AT_MAX_INT_WORK 10 -#define AT_TWSI_EEPROM_TIMEOUT 100 -#define AT_HW_MAX_IDLE_DELAY 10 -#define AT_SUSPEND_LINK_TIMEOUT 28 - -#define AT_REGS_LEN 75 -#define AT_EEPROM_LEN 512 -#define AT_ADV_MASK (ADVERTISE_10_HALF |\ - ADVERTISE_10_FULL |\ - ADVERTISE_100_HALF |\ - ADVERTISE_100_FULL |\ - ADVERTISE_1000_FULL) - -/* tpd word 2 */ -#define TPD_BUFLEN_MASK 0x3FFF -#define TPD_BUFLEN_SHIFT 0 -#define TPD_DMAINT_MASK 0x0001 -#define TPD_DMAINT_SHIFT 14 -#define TPD_PKTNT_MASK 0x0001 -#define TPD_PKTINT_SHIFT 15 -#define TPD_VLANTAG_MASK 0xFFFF -#define TPD_VLAN_SHIFT 16 - -/* tpd word 3 bits 0:4 */ -#define TPD_EOP_MASK 0x0001 -#define TPD_EOP_SHIFT 0 -#define TPD_IP_VERSION_MASK 0x0001 -#define TPD_IP_VERSION_SHIFT 1 /* 0 : IPV4, 1 : IPV6 */ -#define TPD_INS_VL_TAG_MASK 0x0001 -#define TPD_INS_VL_TAG_SHIFT 2 -#define TPD_CC_SEGMENT_EN_MASK 0x0001 -#define TPD_CC_SEGMENT_EN_SHIFT 3 -#define TPD_SEGMENT_EN_MASK 0x0001 -#define TPD_SEGMENT_EN_SHIFT 4 - -/* tdp word 3 bits 5:7 if ip version is 0 */ -#define TPD_IP_CSUM_MASK 0x0001 -#define TPD_IP_CSUM_SHIFT 5 -#define TPD_TCP_CSUM_MASK 0x0001 -#define TPD_TCP_CSUM_SHIFT 6 -#define TPD_UDP_CSUM_MASK 0x0001 -#define TPD_UDP_CSUM_SHIFT 7 - -/* tdp word 3 bits 5:7 if ip version is 1 */ -#define TPD_V6_IPHLLO_MASK 0x0007 -#define TPD_V6_IPHLLO_SHIFT 7 - -/* tpd word 3 bits 8:9 bit */ -#define TPD_VL_TAGGED_MASK 0x0001 -#define TPD_VL_TAGGED_SHIFT 8 -#define TPD_ETHTYPE_MASK 0x0001 -#define TPD_ETHTYPE_SHIFT 9 - -/* tdp word 3 bits 10:13 if ip version is 0 */ -#define TDP_V4_IPHL_MASK 0x000F -#define TPD_V4_IPHL_SHIFT 10 - -/* tdp word 3 bits 10:13 if ip version is 1 */ -#define TPD_V6_IPHLHI_MASK 0x000F -#define TPD_V6_IPHLHI_SHIFT 10 - -/* tpd word 3 bit 14:31 if segment enabled */ -#define TPD_TCPHDRLEN_MASK 0x000F -#define TPD_TCPHDRLEN_SHIFT 14 -#define TPD_HDRFLAG_MASK 0x0001 -#define TPD_HDRFLAG_SHIFT 18 -#define TPD_MSS_MASK 0x1FFF -#define TPD_MSS_SHIFT 19 - -/* tdp word 3 bit 16:31 if custom csum enabled */ -#define TPD_PLOADOFFSET_MASK 0x00FF -#define TPD_PLOADOFFSET_SHIFT 16 -#define TPD_CCSUMOFFSET_MASK 0x00FF -#define TPD_CCSUMOFFSET_SHIFT 24 - -struct atl1e_tpd_desc { - __le64 buffer_addr; - __le32 word2; - __le32 word3; -}; - -/* how about 0x2000 */ -#define MAX_TX_BUF_LEN 0x2000 -#define MAX_TX_BUF_SHIFT 13 -/*#define MAX_TX_BUF_LEN 0x3000 */ - -/* rrs word 1 bit 0:31 */ -#define RRS_RX_CSUM_MASK 0xFFFF -#define RRS_RX_CSUM_SHIFT 0 -#define RRS_PKT_SIZE_MASK 0x3FFF -#define RRS_PKT_SIZE_SHIFT 16 -#define RRS_CPU_NUM_MASK 0x0003 -#define RRS_CPU_NUM_SHIFT 30 - -#define RRS_IS_RSS_IPV4 0x0001 -#define RRS_IS_RSS_IPV4_TCP 0x0002 -#define RRS_IS_RSS_IPV6 0x0004 -#define RRS_IS_RSS_IPV6_TCP 0x0008 -#define RRS_IS_IPV6 0x0010 -#define RRS_IS_IP_FRAG 0x0020 -#define RRS_IS_IP_DF 0x0040 -#define RRS_IS_802_3 0x0080 -#define RRS_IS_VLAN_TAG 0x0100 -#define RRS_IS_ERR_FRAME 0x0200 -#define RRS_IS_IPV4 0x0400 -#define RRS_IS_UDP 0x0800 -#define RRS_IS_TCP 0x1000 -#define RRS_IS_BCAST 0x2000 -#define RRS_IS_MCAST 0x4000 -#define RRS_IS_PAUSE 0x8000 - -#define RRS_ERR_BAD_CRC 0x0001 -#define RRS_ERR_CODE 0x0002 -#define RRS_ERR_DRIBBLE 0x0004 -#define RRS_ERR_RUNT 0x0008 -#define RRS_ERR_RX_OVERFLOW 0x0010 -#define RRS_ERR_TRUNC 0x0020 -#define RRS_ERR_IP_CSUM 0x0040 -#define RRS_ERR_L4_CSUM 0x0080 -#define RRS_ERR_LENGTH 0x0100 -#define RRS_ERR_DES_ADDR 0x0200 - -struct atl1e_recv_ret_status { - u16 seq_num; - u16 hash_lo; - __le32 word1; - u16 pkt_flag; - u16 err_flag; - u16 hash_hi; - u16 vtag; -}; - -enum atl1e_dma_req_block { - atl1e_dma_req_128 = 0, - atl1e_dma_req_256 = 1, - atl1e_dma_req_512 = 2, - atl1e_dma_req_1024 = 3, - atl1e_dma_req_2048 = 4, - atl1e_dma_req_4096 = 5 -}; - -enum atl1e_rrs_type { - atl1e_rrs_disable = 0, - atl1e_rrs_ipv4 = 1, - atl1e_rrs_ipv4_tcp = 2, - atl1e_rrs_ipv6 = 4, - atl1e_rrs_ipv6_tcp = 8 -}; - -enum atl1e_nic_type { - athr_l1e = 0, - athr_l2e_revA = 1, - athr_l2e_revB = 2 -}; - -struct atl1e_hw_stats { - /* rx */ - unsigned long rx_ok; /* The number of good packet received. */ - unsigned long rx_bcast; /* The number of good broadcast packet received. */ - unsigned long rx_mcast; /* The number of good multicast packet received. */ - unsigned long rx_pause; /* The number of Pause packet received. */ - unsigned long rx_ctrl; /* The number of Control packet received other than Pause frame. */ - unsigned long rx_fcs_err; /* The number of packets with bad FCS. */ - unsigned long rx_len_err; /* The number of packets with mismatch of length field and actual size. */ - unsigned long rx_byte_cnt; /* The number of bytes of good packet received. FCS is NOT included. */ - unsigned long rx_runt; /* The number of packets received that are less than 64 byte long and with good FCS. */ - unsigned long rx_frag; /* The number of packets received that are less than 64 byte long and with bad FCS. */ - unsigned long rx_sz_64; /* The number of good and bad packets received that are 64 byte long. */ - unsigned long rx_sz_65_127; /* The number of good and bad packets received that are between 65 and 127-byte long. */ - unsigned long rx_sz_128_255; /* The number of good and bad packets received that are between 128 and 255-byte long. */ - unsigned long rx_sz_256_511; /* The number of good and bad packets received that are between 256 and 511-byte long. */ - unsigned long rx_sz_512_1023; /* The number of good and bad packets received that are between 512 and 1023-byte long. */ - unsigned long rx_sz_1024_1518; /* The number of good and bad packets received that are between 1024 and 1518-byte long. */ - unsigned long rx_sz_1519_max; /* The number of good and bad packets received that are between 1519-byte and MTU. */ - unsigned long rx_sz_ov; /* The number of good and bad packets received that are more than MTU size truncated by Selene. */ - unsigned long rx_rxf_ov; /* The number of frame dropped due to occurrence of RX FIFO overflow. */ - unsigned long rx_rrd_ov; /* The number of frame dropped due to occurrence of RRD overflow. */ - unsigned long rx_align_err; /* Alignment Error */ - unsigned long rx_bcast_byte_cnt; /* The byte count of broadcast packet received, excluding FCS. */ - unsigned long rx_mcast_byte_cnt; /* The byte count of multicast packet received, excluding FCS. */ - unsigned long rx_err_addr; /* The number of packets dropped due to address filtering. */ - - /* tx */ - unsigned long tx_ok; /* The number of good packet transmitted. */ - unsigned long tx_bcast; /* The number of good broadcast packet transmitted. */ - unsigned long tx_mcast; /* The number of good multicast packet transmitted. */ - unsigned long tx_pause; /* The number of Pause packet transmitted. */ - unsigned long tx_exc_defer; /* The number of packets transmitted with excessive deferral. */ - unsigned long tx_ctrl; /* The number of packets transmitted is a control frame, excluding Pause frame. */ - unsigned long tx_defer; /* The number of packets transmitted that is deferred. */ - unsigned long tx_byte_cnt; /* The number of bytes of data transmitted. FCS is NOT included. */ - unsigned long tx_sz_64; /* The number of good and bad packets transmitted that are 64 byte long. */ - unsigned long tx_sz_65_127; /* The number of good and bad packets transmitted that are between 65 and 127-byte long. */ - unsigned long tx_sz_128_255; /* The number of good and bad packets transmitted that are between 128 and 255-byte long. */ - unsigned long tx_sz_256_511; /* The number of good and bad packets transmitted that are between 256 and 511-byte long. */ - unsigned long tx_sz_512_1023; /* The number of good and bad packets transmitted that are between 512 and 1023-byte long. */ - unsigned long tx_sz_1024_1518; /* The number of good and bad packets transmitted that are between 1024 and 1518-byte long. */ - unsigned long tx_sz_1519_max; /* The number of good and bad packets transmitted that are between 1519-byte and MTU. */ - unsigned long tx_1_col; /* The number of packets subsequently transmitted successfully with a single prior collision. */ - unsigned long tx_2_col; /* The number of packets subsequently transmitted successfully with multiple prior collisions. */ - unsigned long tx_late_col; /* The number of packets transmitted with late collisions. */ - unsigned long tx_abort_col; /* The number of transmit packets aborted due to excessive collisions. */ - unsigned long tx_underrun; /* The number of transmit packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */ - unsigned long tx_rd_eop; /* The number of times that read beyond the EOP into the next frame area when TRD was not written timely */ - unsigned long tx_len_err; /* The number of transmit packets with length field does NOT match the actual frame size. */ - unsigned long tx_trunc; /* The number of transmit packets truncated due to size exceeding MTU. */ - unsigned long tx_bcast_byte; /* The byte count of broadcast packet transmitted, excluding FCS. */ - unsigned long tx_mcast_byte; /* The byte count of multicast packet transmitted, excluding FCS. */ -}; - -struct atl1e_hw { - u8 __iomem *hw_addr; /* inner register address */ - resource_size_t mem_rang; - struct atl1e_adapter *adapter; - enum atl1e_nic_type nic_type; - u16 device_id; - u16 vendor_id; - u16 subsystem_id; - u16 subsystem_vendor_id; - u8 revision_id; - u16 pci_cmd_word; - u8 mac_addr[ETH_ALEN]; - u8 perm_mac_addr[ETH_ALEN]; - u8 preamble_len; - u16 max_frame_size; - u16 rx_jumbo_th; - u16 tx_jumbo_th; - - u16 media_type; -#define MEDIA_TYPE_AUTO_SENSOR 0 -#define MEDIA_TYPE_100M_FULL 1 -#define MEDIA_TYPE_100M_HALF 2 -#define MEDIA_TYPE_10M_FULL 3 -#define MEDIA_TYPE_10M_HALF 4 - - u16 autoneg_advertised; -#define ADVERTISE_10_HALF 0x0001 -#define ADVERTISE_10_FULL 0x0002 -#define ADVERTISE_100_HALF 0x0004 -#define ADVERTISE_100_FULL 0x0008 -#define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */ -#define ADVERTISE_1000_FULL 0x0020 - u16 mii_autoneg_adv_reg; - u16 mii_1000t_ctrl_reg; - - u16 imt; /* Interrupt Moderator timer ( 2us resolution) */ - u16 ict; /* Interrupt Clear timer (2us resolution) */ - u32 smb_timer; - u16 rrd_thresh; /* Threshold of number of RRD produced to trigger - interrupt request */ - u16 tpd_thresh; - u16 rx_count_down; /* 2us resolution */ - u16 tx_count_down; - - u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. */ - enum atl1e_rrs_type rrs_type; - u32 base_cpu; - u32 indirect_tab; - - enum atl1e_dma_req_block dmar_block; - enum atl1e_dma_req_block dmaw_block; - u8 dmaw_dly_cnt; - u8 dmar_dly_cnt; - - bool phy_configured; - bool re_autoneg; - bool emi_ca; -}; - -/* - * wrapper around a pointer to a socket buffer, - * so a DMA handle can be stored along with the buffer - */ -struct atl1e_tx_buffer { - struct sk_buff *skb; - u16 flags; -#define ATL1E_TX_PCIMAP_SINGLE 0x0001 -#define ATL1E_TX_PCIMAP_PAGE 0x0002 -#define ATL1E_TX_PCIMAP_TYPE_MASK 0x0003 - u16 length; - dma_addr_t dma; -}; - -#define ATL1E_SET_PCIMAP_TYPE(tx_buff, type) do { \ - ((tx_buff)->flags) &= ~ATL1E_TX_PCIMAP_TYPE_MASK; \ - ((tx_buff)->flags) |= (type); \ - } while (0) - -struct atl1e_rx_page { - dma_addr_t dma; /* receive rage DMA address */ - u8 *addr; /* receive rage virtual address */ - dma_addr_t write_offset_dma; /* the DMA address which contain the - receive data offset in the page */ - u32 *write_offset_addr; /* the virtaul address which contain - the receive data offset in the page */ - u32 read_offset; /* the offset where we have read */ -}; - -struct atl1e_rx_page_desc { - struct atl1e_rx_page rx_page[AT_PAGE_NUM_PER_QUEUE]; - u8 rx_using; - u16 rx_nxseq; -}; - -/* transmit packet descriptor (tpd) ring */ -struct atl1e_tx_ring { - struct atl1e_tpd_desc *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - u16 count; /* the count of transmit rings */ - rwlock_t tx_lock; - u16 next_to_use; - atomic_t next_to_clean; - struct atl1e_tx_buffer *tx_buffer; - dma_addr_t cmb_dma; - u32 *cmb; -}; - -/* receive packet descriptor ring */ -struct atl1e_rx_ring { - void *desc; - dma_addr_t dma; - int size; - u32 page_size; /* bytes length of rxf page */ - u32 real_page_size; /* real_page_size = page_size + jumbo + aliagn */ - struct atl1e_rx_page_desc rx_page_desc[AT_MAX_RECEIVE_QUEUE]; -}; - -/* board specific private data structure */ -struct atl1e_adapter { - struct net_device *netdev; - struct pci_dev *pdev; - struct napi_struct napi; - struct mii_if_info mii; /* MII interface info */ - struct atl1e_hw hw; - struct atl1e_hw_stats hw_stats; - - bool have_msi; - u32 wol; - u16 link_speed; - u16 link_duplex; - - spinlock_t mdio_lock; - spinlock_t tx_lock; - atomic_t irq_sem; - - struct work_struct reset_task; - struct work_struct link_chg_task; - struct timer_list watchdog_timer; - struct timer_list phy_config_timer; - - /* All Descriptor memory */ - dma_addr_t ring_dma; - void *ring_vir_addr; - u32 ring_size; - - struct atl1e_tx_ring tx_ring; - struct atl1e_rx_ring rx_ring; - int num_rx_queues; - unsigned long flags; -#define __AT_TESTING 0x0001 -#define __AT_RESETTING 0x0002 -#define __AT_DOWN 0x0003 - - u32 bd_number; /* board number;*/ - u32 pci_state[16]; - u32 *config_space; -}; - -#define AT_WRITE_REG(a, reg, value) ( \ - writel((value), ((a)->hw_addr + reg))) - -#define AT_WRITE_FLUSH(a) (\ - readl((a)->hw_addr)) - -#define AT_READ_REG(a, reg) ( \ - readl((a)->hw_addr + reg)) - -#define AT_WRITE_REGB(a, reg, value) (\ - writeb((value), ((a)->hw_addr + reg))) - -#define AT_READ_REGB(a, reg) (\ - readb((a)->hw_addr + reg)) - -#define AT_WRITE_REGW(a, reg, value) (\ - writew((value), ((a)->hw_addr + reg))) - -#define AT_READ_REGW(a, reg) (\ - readw((a)->hw_addr + reg)) - -#define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \ - writel((value), (((a)->hw_addr + reg) + ((offset) << 2)))) - -#define AT_READ_REG_ARRAY(a, reg, offset) ( \ - readl(((a)->hw_addr + reg) + ((offset) << 2))) - -extern char atl1e_driver_name[]; -extern char atl1e_driver_version[]; - -extern void atl1e_check_options(struct atl1e_adapter *adapter); -extern int atl1e_up(struct atl1e_adapter *adapter); -extern void atl1e_down(struct atl1e_adapter *adapter); -extern void atl1e_reinit_locked(struct atl1e_adapter *adapter); -extern s32 atl1e_reset_hw(struct atl1e_hw *hw); -extern void atl1e_set_ethtool_ops(struct net_device *netdev); -#endif /* _ATL1_E_H_ */ diff --git a/drivers/net/atl1e/atl1e_ethtool.c b/drivers/net/atl1e/atl1e_ethtool.c deleted file mode 100644 index 6269438d365..00000000000 --- a/drivers/net/atl1e/atl1e_ethtool.c +++ /dev/null @@ -1,390 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * 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) - * 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. - * - */ - -#include <linux/netdevice.h> -#include <linux/ethtool.h> -#include <linux/slab.h> - -#include "atl1e.h" - -static int atl1e_get_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_TP); - if (hw->nic_type == athr_l1e) - ecmd->supported |= SUPPORTED_1000baseT_Full; - - ecmd->advertising = ADVERTISED_TP; - - ecmd->advertising |= ADVERTISED_Autoneg; - ecmd->advertising |= hw->autoneg_advertised; - - ecmd->port = PORT_TP; - ecmd->phy_address = 0; - ecmd->transceiver = XCVR_INTERNAL; - - if (adapter->link_speed != SPEED_0) { - ethtool_cmd_speed_set(ecmd, adapter->link_speed); - if (adapter->link_duplex == FULL_DUPLEX) - ecmd->duplex = DUPLEX_FULL; - else - ecmd->duplex = DUPLEX_HALF; - } else { - ethtool_cmd_speed_set(ecmd, -1); - ecmd->duplex = -1; - } - - ecmd->autoneg = AUTONEG_ENABLE; - return 0; -} - -static int atl1e_set_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - - while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) - msleep(1); - - if (ecmd->autoneg == AUTONEG_ENABLE) { - u16 adv4, adv9; - - if ((ecmd->advertising&ADVERTISE_1000_FULL)) { - if (hw->nic_type == athr_l1e) { - hw->autoneg_advertised = - ecmd->advertising & AT_ADV_MASK; - } else { - clear_bit(__AT_RESETTING, &adapter->flags); - return -EINVAL; - } - } else if (ecmd->advertising&ADVERTISE_1000_HALF) { - clear_bit(__AT_RESETTING, &adapter->flags); - return -EINVAL; - } else { - hw->autoneg_advertised = - ecmd->advertising & AT_ADV_MASK; - } - ecmd->advertising = hw->autoneg_advertised | - ADVERTISED_TP | ADVERTISED_Autoneg; - - adv4 = hw->mii_autoneg_adv_reg & ~ADVERTISE_ALL; - adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK; - if (hw->autoneg_advertised & ADVERTISE_10_HALF) - adv4 |= ADVERTISE_10HALF; - if (hw->autoneg_advertised & ADVERTISE_10_FULL) - adv4 |= ADVERTISE_10FULL; - if (hw->autoneg_advertised & ADVERTISE_100_HALF) - adv4 |= ADVERTISE_100HALF; - if (hw->autoneg_advertised & ADVERTISE_100_FULL) - adv4 |= ADVERTISE_100FULL; - if (hw->autoneg_advertised & ADVERTISE_1000_FULL) - adv9 |= ADVERTISE_1000FULL; - - if (adv4 != hw->mii_autoneg_adv_reg || - adv9 != hw->mii_1000t_ctrl_reg) { - hw->mii_autoneg_adv_reg = adv4; - hw->mii_1000t_ctrl_reg = adv9; - hw->re_autoneg = true; - } - - } else { - clear_bit(__AT_RESETTING, &adapter->flags); - return -EINVAL; - } - - /* reset the link */ - - if (netif_running(adapter->netdev)) { - atl1e_down(adapter); - atl1e_up(adapter); - } else - atl1e_reset_hw(&adapter->hw); - - clear_bit(__AT_RESETTING, &adapter->flags); - return 0; -} - -static u32 atl1e_get_msglevel(struct net_device *netdev) -{ -#ifdef DBG - return 1; -#else - return 0; -#endif -} - -static int atl1e_get_regs_len(struct net_device *netdev) -{ - return AT_REGS_LEN * sizeof(u32); -} - -static void atl1e_get_regs(struct net_device *netdev, - struct ethtool_regs *regs, void *p) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - u32 *regs_buff = p; - u16 phy_data; - - memset(p, 0, AT_REGS_LEN * sizeof(u32)); - - regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; - - regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP); - regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL); - regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG); - regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL); - regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL); - regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL); - regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT); - regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT); - regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL); - regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER); - regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS); - regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL); - regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK); - regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL); - regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG); - regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR); - regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4); - regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE); - regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4); - regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL); - regs_buff[20] = AT_READ_REG(hw, REG_MTU); - regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL); - regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR); - regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN); - regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR); - regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN); - regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR); - regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN); - regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR); - regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR); - - atl1e_read_phy_reg(hw, MII_BMCR, &phy_data); - regs_buff[73] = (u32)phy_data; - atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); - regs_buff[74] = (u32)phy_data; -} - -static int atl1e_get_eeprom_len(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - if (!atl1e_check_eeprom_exist(&adapter->hw)) - return AT_EEPROM_LEN; - else - return 0; -} - -static int atl1e_get_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - u32 *eeprom_buff; - int first_dword, last_dword; - int ret_val = 0; - int i; - - if (eeprom->len == 0) - return -EINVAL; - - if (atl1e_check_eeprom_exist(hw)) /* not exist */ - return -EINVAL; - - eeprom->magic = hw->vendor_id | (hw->device_id << 16); - - first_dword = eeprom->offset >> 2; - last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - - eeprom_buff = kmalloc(sizeof(u32) * - (last_dword - first_dword + 1), GFP_KERNEL); - if (eeprom_buff == NULL) - return -ENOMEM; - - for (i = first_dword; i < last_dword; i++) { - if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) { - kfree(eeprom_buff); - return -EIO; - } - } - - memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), - eeprom->len); - kfree(eeprom_buff); - - return ret_val; -} - -static int atl1e_set_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - u32 *eeprom_buff; - u32 *ptr; - int first_dword, last_dword; - int ret_val = 0; - int i; - - if (eeprom->len == 0) - return -EOPNOTSUPP; - - if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) - return -EINVAL; - - first_dword = eeprom->offset >> 2; - last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL); - if (eeprom_buff == NULL) - return -ENOMEM; - - ptr = (u32 *)eeprom_buff; - - if (eeprom->offset & 3) { - /* need read/modify/write of first changed EEPROM word */ - /* only the second byte of the word is being modified */ - if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) { - ret_val = -EIO; - goto out; - } - ptr++; - } - if (((eeprom->offset + eeprom->len) & 3)) { - /* need read/modify/write of last changed EEPROM word */ - /* only the first byte of the word is being modified */ - - if (!atl1e_read_eeprom(hw, last_dword * 4, - &(eeprom_buff[last_dword - first_dword]))) { - ret_val = -EIO; - goto out; - } - } - - /* Device's eeprom is always little-endian, word addressable */ - memcpy(ptr, bytes, eeprom->len); - - for (i = 0; i < last_dword - first_dword + 1; i++) { - if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4), - eeprom_buff[i])) { - ret_val = -EIO; - goto out; - } - } -out: - kfree(eeprom_buff); - return ret_val; -} - -static void atl1e_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - strncpy(drvinfo->driver, atl1e_driver_name, 32); - strncpy(drvinfo->version, atl1e_driver_version, 32); - strncpy(drvinfo->fw_version, "L1e", 32); - strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); - drvinfo->n_stats = 0; - drvinfo->testinfo_len = 0; - drvinfo->regdump_len = atl1e_get_regs_len(netdev); - drvinfo->eedump_len = atl1e_get_eeprom_len(netdev); -} - -static void atl1e_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - wol->supported = WAKE_MAGIC | WAKE_PHY; - wol->wolopts = 0; - - if (adapter->wol & AT_WUFC_EX) - wol->wolopts |= WAKE_UCAST; - if (adapter->wol & AT_WUFC_MC) - wol->wolopts |= WAKE_MCAST; - if (adapter->wol & AT_WUFC_BC) - wol->wolopts |= WAKE_BCAST; - if (adapter->wol & AT_WUFC_MAG) - wol->wolopts |= WAKE_MAGIC; - if (adapter->wol & AT_WUFC_LNKC) - wol->wolopts |= WAKE_PHY; -} - -static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | - WAKE_UCAST | WAKE_MCAST | WAKE_BCAST)) - return -EOPNOTSUPP; - /* these settings will always override what we currently have */ - adapter->wol = 0; - - if (wol->wolopts & WAKE_MAGIC) - adapter->wol |= AT_WUFC_MAG; - if (wol->wolopts & WAKE_PHY) - adapter->wol |= AT_WUFC_LNKC; - - device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); - - return 0; -} - -static int atl1e_nway_reset(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - if (netif_running(netdev)) - atl1e_reinit_locked(adapter); - return 0; -} - -static const struct ethtool_ops atl1e_ethtool_ops = { - .get_settings = atl1e_get_settings, - .set_settings = atl1e_set_settings, - .get_drvinfo = atl1e_get_drvinfo, - .get_regs_len = atl1e_get_regs_len, - .get_regs = atl1e_get_regs, - .get_wol = atl1e_get_wol, - .set_wol = atl1e_set_wol, - .get_msglevel = atl1e_get_msglevel, - .nway_reset = atl1e_nway_reset, - .get_link = ethtool_op_get_link, - .get_eeprom_len = atl1e_get_eeprom_len, - .get_eeprom = atl1e_get_eeprom, - .set_eeprom = atl1e_set_eeprom, -}; - -void atl1e_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops); -} diff --git a/drivers/net/atl1e/atl1e_hw.c b/drivers/net/atl1e/atl1e_hw.c deleted file mode 100644 index 923063d2e5b..00000000000 --- a/drivers/net/atl1e/atl1e_hw.c +++ /dev/null @@ -1,651 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * 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) - * 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. - */ -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/mii.h> -#include <linux/crc32.h> - -#include "atl1e.h" - -/* - * check_eeprom_exist - * return 0 if eeprom exist - */ -int atl1e_check_eeprom_exist(struct atl1e_hw *hw) -{ - u32 value; - - value = AT_READ_REG(hw, REG_SPI_FLASH_CTRL); - if (value & SPI_FLASH_CTRL_EN_VPD) { - value &= ~SPI_FLASH_CTRL_EN_VPD; - AT_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); - } - value = AT_READ_REGW(hw, REG_PCIE_CAP_LIST); - return ((value & 0xFF00) == 0x6C00) ? 0 : 1; -} - -void atl1e_hw_set_mac_addr(struct atl1e_hw *hw) -{ - u32 value; - /* - * 00-0B-6A-F6-00-DC - * 0: 6AF600DC 1: 000B - * low dword - */ - value = (((u32)hw->mac_addr[2]) << 24) | - (((u32)hw->mac_addr[3]) << 16) | - (((u32)hw->mac_addr[4]) << 8) | - (((u32)hw->mac_addr[5])) ; - AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); - /* hight dword */ - value = (((u32)hw->mac_addr[0]) << 8) | - (((u32)hw->mac_addr[1])) ; - AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); -} - -/* - * atl1e_get_permanent_address - * return 0 if get valid mac address, - */ -static int atl1e_get_permanent_address(struct atl1e_hw *hw) -{ - u32 addr[2]; - u32 i; - u32 twsi_ctrl_data; - u8 eth_addr[ETH_ALEN]; - - if (is_valid_ether_addr(hw->perm_mac_addr)) - return 0; - - /* init */ - addr[0] = addr[1] = 0; - - if (!atl1e_check_eeprom_exist(hw)) { - /* eeprom exist */ - twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL); - twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART; - AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data); - for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) { - msleep(10); - twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL); - if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0) - break; - } - if (i >= AT_TWSI_EEPROM_TIMEOUT) - return AT_ERR_TIMEOUT; - } - - /* maybe MAC-address is from BIOS */ - addr[0] = AT_READ_REG(hw, REG_MAC_STA_ADDR); - addr[1] = AT_READ_REG(hw, REG_MAC_STA_ADDR + 4); - *(u32 *) ð_addr[2] = swab32(addr[0]); - *(u16 *) ð_addr[0] = swab16(*(u16 *)&addr[1]); - - if (is_valid_ether_addr(eth_addr)) { - memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); - return 0; - } - - return AT_ERR_EEPROM; -} - -bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value) -{ - return true; -} - -bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value) -{ - int i; - u32 control; - - if (offset & 3) - return false; /* address do not align */ - - AT_WRITE_REG(hw, REG_VPD_DATA, 0); - control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; - AT_WRITE_REG(hw, REG_VPD_CAP, control); - - for (i = 0; i < 10; i++) { - msleep(2); - control = AT_READ_REG(hw, REG_VPD_CAP); - if (control & VPD_CAP_VPD_FLAG) - break; - } - if (control & VPD_CAP_VPD_FLAG) { - *p_value = AT_READ_REG(hw, REG_VPD_DATA); - return true; - } - return false; /* timeout */ -} - -void atl1e_force_ps(struct atl1e_hw *hw) -{ - AT_WRITE_REGW(hw, REG_GPHY_CTRL, - GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET); -} - -/* - * Reads the adapter's MAC address from the EEPROM - * - * hw - Struct containing variables accessed by shared code - */ -int atl1e_read_mac_addr(struct atl1e_hw *hw) -{ - int err = 0; - - err = atl1e_get_permanent_address(hw); - if (err) - return AT_ERR_EEPROM; - memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr)); - return 0; -} - -/* - * atl1e_hash_mc_addr - * purpose - * set hash value for a multicast address - */ -u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr) -{ - u32 crc32; - u32 value = 0; - int i; - - crc32 = ether_crc_le(6, mc_addr); - for (i = 0; i < 32; i++) - value |= (((crc32 >> i) & 1) << (31 - i)); - - return value; -} - -/* - * Sets the bit in the multicast table corresponding to the hash value. - * hw - Struct containing variables accessed by shared code - * hash_value - Multicast address hash value - */ -void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value) -{ - u32 hash_bit, hash_reg; - u32 mta; - - /* - * The HASH Table is a register array of 2 32-bit registers. - * It is treated like an array of 64 bits. We want to set - * bit BitArray[hash_value]. So we figure out what register - * the bit is in, read it, OR in the new bit, then write - * back the new value. The register is determined by the - * upper 7 bits of the hash value and the bit within that - * register are determined by the lower 5 bits of the value. - */ - hash_reg = (hash_value >> 31) & 0x1; - hash_bit = (hash_value >> 26) & 0x1F; - - mta = AT_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); - - mta |= (1 << hash_bit); - - AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); -} -/* - * Reads the value from a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to read - */ -int atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data) -{ - u32 val; - int i; - - val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | - MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - - AT_WRITE_REG(hw, REG_MDIO_CTRL, val); - - wmb(); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = AT_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - wmb(); - } - if (!(val & (MDIO_START | MDIO_BUSY))) { - *phy_data = (u16)val; - return 0; - } - - return AT_ERR_PHY; -} - -/* - * Writes a value to a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to write - * data - data to write to the PHY - */ -int atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data) -{ - int i; - u32 val; - - val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | - (reg_addr&MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | - MDIO_SUP_PREAMBLE | - MDIO_START | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - - AT_WRITE_REG(hw, REG_MDIO_CTRL, val); - wmb(); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = AT_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - wmb(); - } - - if (!(val & (MDIO_START | MDIO_BUSY))) - return 0; - - return AT_ERR_PHY; -} - -/* - * atl1e_init_pcie - init PCIE module - */ -static void atl1e_init_pcie(struct atl1e_hw *hw) -{ - u32 value; - /* comment 2lines below to save more power when sususpend - value = LTSSM_TEST_MODE_DEF; - AT_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value); - */ - - /* pcie flow control mode change */ - value = AT_READ_REG(hw, 0x1008); - value |= 0x8000; - AT_WRITE_REG(hw, 0x1008, value); -} -/* - * Configures PHY autoneg and flow control advertisement settings - * - * hw - Struct containing variables accessed by shared code - */ -static int atl1e_phy_setup_autoneg_adv(struct atl1e_hw *hw) -{ - s32 ret_val; - u16 mii_autoneg_adv_reg; - u16 mii_1000t_ctrl_reg; - - if (0 != hw->mii_autoneg_adv_reg) - return 0; - /* Read the MII Auto-Neg Advertisement Register (Address 4/9). */ - mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; - mii_1000t_ctrl_reg = MII_AT001_CR_1000T_DEFAULT_CAP_MASK; - - /* - * Need to parse autoneg_advertised and set up - * the appropriate PHY registers. First we will parse for - * autoneg_advertised software override. Since we can advertise - * a plethora of combinations, we need to check each bit - * individually. - */ - - /* - * First we clear all the 10/100 mb speed bits in the Auto-Neg - * Advertisement Register (Address 4) and the 1000 mb speed bits in - * the 1000Base-T control Register (Address 9). - */ - mii_autoneg_adv_reg &= ~ADVERTISE_ALL; - mii_1000t_ctrl_reg &= ~MII_AT001_CR_1000T_SPEED_MASK; - - /* - * Need to parse MediaType and setup the - * appropriate PHY registers. - */ - switch (hw->media_type) { - case MEDIA_TYPE_AUTO_SENSOR: - mii_autoneg_adv_reg |= ADVERTISE_ALL; - hw->autoneg_advertised = ADVERTISE_ALL; - if (hw->nic_type == athr_l1e) { - mii_1000t_ctrl_reg |= ADVERTISE_1000FULL; - hw->autoneg_advertised |= ADVERTISE_1000_FULL; - } - break; - - case MEDIA_TYPE_100M_FULL: - mii_autoneg_adv_reg |= ADVERTISE_100FULL; - hw->autoneg_advertised = ADVERTISE_100_FULL; - break; - - case MEDIA_TYPE_100M_HALF: - mii_autoneg_adv_reg |= ADVERTISE_100_HALF; - hw->autoneg_advertised = ADVERTISE_100_HALF; - break; - - case MEDIA_TYPE_10M_FULL: - mii_autoneg_adv_reg |= ADVERTISE_10_FULL; - hw->autoneg_advertised = ADVERTISE_10_FULL; - break; - - default: - mii_autoneg_adv_reg |= ADVERTISE_10_HALF; - hw->autoneg_advertised = ADVERTISE_10_HALF; - break; - } - - /* flow control fixed to enable all */ - mii_autoneg_adv_reg |= (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP); - - hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; - hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg; - - ret_val = atl1e_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); - if (ret_val) - return ret_val; - - if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) { - ret_val = atl1e_write_phy_reg(hw, MII_CTRL1000, - mii_1000t_ctrl_reg); - if (ret_val) - return ret_val; - } - - return 0; -} - - -/* - * Resets the PHY and make all config validate - * - * hw - Struct containing variables accessed by shared code - * - * Sets bit 15 and 12 of the MII control regiser (for F001 bug) - */ -int atl1e_phy_commit(struct atl1e_hw *hw) -{ - struct atl1e_adapter *adapter = hw->adapter; - int ret_val; - u16 phy_data; - - phy_data = BMCR_RESET | BMCR_ANENABLE | BMCR_ANRESTART; - - ret_val = atl1e_write_phy_reg(hw, MII_BMCR, phy_data); - if (ret_val) { - u32 val; - int i; - /************************************** - * pcie serdes link may be down ! - **************************************/ - for (i = 0; i < 25; i++) { - msleep(1); - val = AT_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - - if (0 != (val & (MDIO_START | MDIO_BUSY))) { - netdev_err(adapter->netdev, - "pcie linkdown at least for 25ms\n"); - return ret_val; - } - - netdev_err(adapter->netdev, "pcie linkup after %d ms\n", i); - } - return 0; -} - -int atl1e_phy_init(struct atl1e_hw *hw) -{ - struct atl1e_adapter *adapter = hw->adapter; - s32 ret_val; - u16 phy_val; - - if (hw->phy_configured) { - if (hw->re_autoneg) { - hw->re_autoneg = false; - return atl1e_restart_autoneg(hw); - } - return 0; - } - - /* RESET GPHY Core */ - AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT); - msleep(2); - AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT | - GPHY_CTRL_EXT_RESET); - msleep(2); - - /* patches */ - /* p1. eable hibernation mode */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0xB); - if (ret_val) - return ret_val; - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0xBC00); - if (ret_val) - return ret_val; - /* p2. set Class A/B for all modes */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0); - if (ret_val) - return ret_val; - phy_val = 0x02ef; - /* remove Class AB */ - /* phy_val = hw->emi_ca ? 0x02ef : 0x02df; */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, phy_val); - if (ret_val) - return ret_val; - /* p3. 10B ??? */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x12); - if (ret_val) - return ret_val; - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x4C04); - if (ret_val) - return ret_val; - /* p4. 1000T power */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x4); - if (ret_val) - return ret_val; - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x8BBB); - if (ret_val) - return ret_val; - - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x5); - if (ret_val) - return ret_val; - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x2C46); - if (ret_val) - return ret_val; - - msleep(1); - - /*Enable PHY LinkChange Interrupt */ - ret_val = atl1e_write_phy_reg(hw, MII_INT_CTRL, 0xC00); - if (ret_val) { - netdev_err(adapter->netdev, - "Error enable PHY linkChange Interrupt\n"); - return ret_val; - } - /* setup AutoNeg parameters */ - ret_val = atl1e_phy_setup_autoneg_adv(hw); - if (ret_val) { - netdev_err(adapter->netdev, - "Error Setting up Auto-Negotiation\n"); - return ret_val; - } - /* SW.Reset & En-Auto-Neg to restart Auto-Neg*/ - netdev_dbg(adapter->netdev, "Restarting Auto-Negotiation\n"); - ret_val = atl1e_phy_commit(hw); - if (ret_val) { - netdev_err(adapter->netdev, "Error resetting the phy\n"); - return ret_val; - } - - hw->phy_configured = true; - - return 0; -} - -/* - * Reset the transmit and receive units; mask and clear all interrupts. - * hw - Struct containing variables accessed by shared code - * return : 0 or idle status (if error) - */ -int atl1e_reset_hw(struct atl1e_hw *hw) -{ - struct atl1e_adapter *adapter = hw->adapter; - struct pci_dev *pdev = adapter->pdev; - - u32 idle_status_data = 0; - u16 pci_cfg_cmd_word = 0; - int timeout = 0; - - /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */ - pci_read_config_word(pdev, PCI_REG_COMMAND, &pci_cfg_cmd_word); - if ((pci_cfg_cmd_word & (CMD_IO_SPACE | - CMD_MEMORY_SPACE | CMD_BUS_MASTER)) - != (CMD_IO_SPACE | CMD_MEMORY_SPACE | CMD_BUS_MASTER)) { - pci_cfg_cmd_word |= (CMD_IO_SPACE | - CMD_MEMORY_SPACE | CMD_BUS_MASTER); - pci_write_config_word(pdev, PCI_REG_COMMAND, pci_cfg_cmd_word); - } - - /* - * Issue Soft Reset to the MAC. This will reset the chip's - * transmit, receive, DMA. It will not effect - * the current PCI configuration. The global reset bit is self- - * clearing, and should clear within a microsecond. - */ - AT_WRITE_REG(hw, REG_MASTER_CTRL, - MASTER_CTRL_LED_MODE | MASTER_CTRL_SOFT_RST); - wmb(); - msleep(1); - - /* Wait at least 10ms for All module to be Idle */ - for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) { - idle_status_data = AT_READ_REG(hw, REG_IDLE_STATUS); - if (idle_status_data == 0) - break; - msleep(1); - cpu_relax(); - } - - if (timeout >= AT_HW_MAX_IDLE_DELAY) { - netdev_err(adapter->netdev, - "MAC state machine can't be idle since disabled for 10ms second\n"); - return AT_ERR_TIMEOUT; - } - - return 0; -} - - -/* - * Performs basic configuration of the adapter. - * - * hw - Struct containing variables accessed by shared code - * Assumes that the controller has previously been reset and is in a - * post-reset uninitialized state. Initializes multicast table, - * and Calls routines to setup link - * Leaves the transmit and receive units disabled and uninitialized. - */ -int atl1e_init_hw(struct atl1e_hw *hw) -{ - s32 ret_val = 0; - - atl1e_init_pcie(hw); - - /* Zero out the Multicast HASH table */ - /* clear the old settings from the multicast hash table */ - AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); - AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); - - ret_val = atl1e_phy_init(hw); - - return ret_val; -} - -/* - * Detects the current speed and duplex settings of the hardware. - * - * hw - Struct containing variables accessed by shared code - * speed - Speed of the connection - * duplex - Duplex setting of the connection - */ -int atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex) -{ - int err; - u16 phy_data; - - /* Read PHY Specific Status Register (17) */ - err = atl1e_read_phy_reg(hw, MII_AT001_PSSR, &phy_data); - if (err) - return err; - - if (!(phy_data & MII_AT001_PSSR_SPD_DPLX_RESOLVED)) - return AT_ERR_PHY_RES; - - switch (phy_data & MII_AT001_PSSR_SPEED) { - case MII_AT001_PSSR_1000MBS: - *speed = SPEED_1000; - break; - case MII_AT001_PSSR_100MBS: - *speed = SPEED_100; - break; - case MII_AT001_PSSR_10MBS: - *speed = SPEED_10; - break; - default: - return AT_ERR_PHY_SPEED; - break; - } - - if (phy_data & MII_AT001_PSSR_DPLX) - *duplex = FULL_DUPLEX; - else - *duplex = HALF_DUPLEX; - - return 0; -} - -int atl1e_restart_autoneg(struct atl1e_hw *hw) -{ - int err = 0; - - err = atl1e_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); - if (err) - return err; - - if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) { - err = atl1e_write_phy_reg(hw, MII_CTRL1000, - hw->mii_1000t_ctrl_reg); - if (err) - return err; - } - - err = atl1e_write_phy_reg(hw, MII_BMCR, - BMCR_RESET | BMCR_ANENABLE | BMCR_ANRESTART); - return err; -} - diff --git a/drivers/net/atl1e/atl1e_hw.h b/drivers/net/atl1e/atl1e_hw.h deleted file mode 100644 index 74df16aef79..00000000000 --- a/drivers/net/atl1e/atl1e_hw.h +++ /dev/null @@ -1,690 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * 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) - * 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. - */ - -#ifndef _ATHL1E_HW_H_ -#define _ATHL1E_HW_H_ - -#include <linux/types.h> -#include <linux/mii.h> - -struct atl1e_adapter; -struct atl1e_hw; - -/* function prototype */ -s32 atl1e_reset_hw(struct atl1e_hw *hw); -s32 atl1e_read_mac_addr(struct atl1e_hw *hw); -s32 atl1e_init_hw(struct atl1e_hw *hw); -s32 atl1e_phy_commit(struct atl1e_hw *hw); -s32 atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex); -u32 atl1e_auto_get_fc(struct atl1e_adapter *adapter, u16 duplex); -u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr); -void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value); -s32 atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data); -s32 atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data); -s32 atl1e_validate_mdi_setting(struct atl1e_hw *hw); -void atl1e_hw_set_mac_addr(struct atl1e_hw *hw); -bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value); -bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value); -s32 atl1e_phy_enter_power_saving(struct atl1e_hw *hw); -s32 atl1e_phy_leave_power_saving(struct atl1e_hw *hw); -s32 atl1e_phy_init(struct atl1e_hw *hw); -int atl1e_check_eeprom_exist(struct atl1e_hw *hw); -void atl1e_force_ps(struct atl1e_hw *hw); -s32 atl1e_restart_autoneg(struct atl1e_hw *hw); - -/* register definition */ -#define REG_PM_CTRLSTAT 0x44 - -#define REG_PCIE_CAP_LIST 0x58 - -#define REG_DEVICE_CAP 0x5C -#define DEVICE_CAP_MAX_PAYLOAD_MASK 0x7 -#define DEVICE_CAP_MAX_PAYLOAD_SHIFT 0 - -#define REG_DEVICE_CTRL 0x60 -#define DEVICE_CTRL_MAX_PAYLOAD_MASK 0x7 -#define DEVICE_CTRL_MAX_PAYLOAD_SHIFT 5 -#define DEVICE_CTRL_MAX_RREQ_SZ_MASK 0x7 -#define DEVICE_CTRL_MAX_RREQ_SZ_SHIFT 12 - -#define REG_VPD_CAP 0x6C -#define VPD_CAP_ID_MASK 0xff -#define VPD_CAP_ID_SHIFT 0 -#define VPD_CAP_NEXT_PTR_MASK 0xFF -#define VPD_CAP_NEXT_PTR_SHIFT 8 -#define VPD_CAP_VPD_ADDR_MASK 0x7FFF -#define VPD_CAP_VPD_ADDR_SHIFT 16 -#define VPD_CAP_VPD_FLAG 0x80000000 - -#define REG_VPD_DATA 0x70 - -#define REG_SPI_FLASH_CTRL 0x200 -#define SPI_FLASH_CTRL_STS_NON_RDY 0x1 -#define SPI_FLASH_CTRL_STS_WEN 0x2 -#define SPI_FLASH_CTRL_STS_WPEN 0x80 -#define SPI_FLASH_CTRL_DEV_STS_MASK 0xFF -#define SPI_FLASH_CTRL_DEV_STS_SHIFT 0 -#define SPI_FLASH_CTRL_INS_MASK 0x7 -#define SPI_FLASH_CTRL_INS_SHIFT 8 -#define SPI_FLASH_CTRL_START 0x800 -#define SPI_FLASH_CTRL_EN_VPD 0x2000 -#define SPI_FLASH_CTRL_LDSTART 0x8000 -#define SPI_FLASH_CTRL_CS_HI_MASK 0x3 -#define SPI_FLASH_CTRL_CS_HI_SHIFT 16 -#define SPI_FLASH_CTRL_CS_HOLD_MASK 0x3 -#define SPI_FLASH_CTRL_CS_HOLD_SHIFT 18 -#define SPI_FLASH_CTRL_CLK_LO_MASK 0x3 -#define SPI_FLASH_CTRL_CLK_LO_SHIFT 20 -#define SPI_FLASH_CTRL_CLK_HI_MASK 0x3 -#define SPI_FLASH_CTRL_CLK_HI_SHIFT 22 -#define SPI_FLASH_CTRL_CS_SETUP_MASK 0x3 -#define SPI_FLASH_CTRL_CS_SETUP_SHIFT 24 -#define SPI_FLASH_CTRL_EROM_PGSZ_MASK 0x3 -#define SPI_FLASH_CTRL_EROM_PGSZ_SHIFT 26 -#define SPI_FLASH_CTRL_WAIT_READY 0x10000000 - -#define REG_SPI_ADDR 0x204 - -#define REG_SPI_DATA 0x208 - -#define REG_SPI_FLASH_CONFIG 0x20C -#define SPI_FLASH_CONFIG_LD_ADDR_MASK 0xFFFFFF -#define SPI_FLASH_CONFIG_LD_ADDR_SHIFT 0 -#define SPI_FLASH_CONFIG_VPD_ADDR_MASK 0x3 -#define SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24 -#define SPI_FLASH_CONFIG_LD_EXIST 0x4000000 - - -#define REG_SPI_FLASH_OP_PROGRAM 0x210 -#define REG_SPI_FLASH_OP_SC_ERASE 0x211 -#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212 -#define REG_SPI_FLASH_OP_RDID 0x213 -#define REG_SPI_FLASH_OP_WREN 0x214 -#define REG_SPI_FLASH_OP_RDSR 0x215 -#define REG_SPI_FLASH_OP_WRSR 0x216 -#define REG_SPI_FLASH_OP_READ 0x217 - -#define REG_TWSI_CTRL 0x218 -#define TWSI_CTRL_LD_OFFSET_MASK 0xFF -#define TWSI_CTRL_LD_OFFSET_SHIFT 0 -#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7 -#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8 -#define TWSI_CTRL_SW_LDSTART 0x800 -#define TWSI_CTRL_HW_LDSTART 0x1000 -#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x0x7F -#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15 -#define TWSI_CTRL_LD_EXIST 0x400000 -#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23 -#define TWSI_CTRL_FREQ_SEL_100K 0 -#define TWSI_CTRL_FREQ_SEL_200K 1 -#define TWSI_CTRL_FREQ_SEL_300K 2 -#define TWSI_CTRL_FREQ_SEL_400K 3 -#define TWSI_CTRL_SMB_SLV_ADDR -#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24 - - -#define REG_PCIE_DEV_MISC_CTRL 0x21C -#define PCIE_DEV_MISC_CTRL_EXT_PIPE 0x2 -#define PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1 -#define PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4 -#define PCIE_DEV_MISC_CTRL_SERDES_ENDIAN 0x8 -#define PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN 0x10 - -#define REG_PCIE_PHYMISC 0x1000 -#define PCIE_PHYMISC_FORCE_RCV_DET 0x4 - -#define REG_LTSSM_TEST_MODE 0x12FC -#define LTSSM_TEST_MODE_DEF 0xE000 - -/* Selene Master Control Register */ -#define REG_MASTER_CTRL 0x1400 -#define MASTER_CTRL_SOFT_RST 0x1 -#define MASTER_CTRL_MTIMER_EN 0x2 -#define MASTER_CTRL_ITIMER_EN 0x4 -#define MASTER_CTRL_MANUAL_INT 0x8 -#define MASTER_CTRL_ITIMER2_EN 0x20 -#define MASTER_CTRL_INT_RDCLR 0x40 -#define MASTER_CTRL_LED_MODE 0x200 -#define MASTER_CTRL_REV_NUM_SHIFT 16 -#define MASTER_CTRL_REV_NUM_MASK 0xff -#define MASTER_CTRL_DEV_ID_SHIFT 24 -#define MASTER_CTRL_DEV_ID_MASK 0xff - -/* Timer Initial Value Register */ -#define REG_MANUAL_TIMER_INIT 0x1404 - - -/* IRQ ModeratorTimer Initial Value Register */ -#define REG_IRQ_MODU_TIMER_INIT 0x1408 /* w */ -#define REG_IRQ_MODU_TIMER2_INIT 0x140A /* w */ - - -#define REG_GPHY_CTRL 0x140C -#define GPHY_CTRL_EXT_RESET 1 -#define GPHY_CTRL_PIPE_MOD 2 -#define GPHY_CTRL_TEST_MODE_MASK 3 -#define GPHY_CTRL_TEST_MODE_SHIFT 2 -#define GPHY_CTRL_BERT_START 0x10 -#define GPHY_CTRL_GATE_25M_EN 0x20 -#define GPHY_CTRL_LPW_EXIT 0x40 -#define GPHY_CTRL_PHY_IDDQ 0x80 -#define GPHY_CTRL_PHY_IDDQ_DIS 0x100 -#define GPHY_CTRL_PCLK_SEL_DIS 0x200 -#define GPHY_CTRL_HIB_EN 0x400 -#define GPHY_CTRL_HIB_PULSE 0x800 -#define GPHY_CTRL_SEL_ANA_RST 0x1000 -#define GPHY_CTRL_PHY_PLL_ON 0x2000 -#define GPHY_CTRL_PWDOWN_HW 0x4000 -#define GPHY_CTRL_DEFAULT (\ - GPHY_CTRL_PHY_PLL_ON |\ - GPHY_CTRL_SEL_ANA_RST |\ - GPHY_CTRL_HIB_PULSE |\ - GPHY_CTRL_HIB_EN) - -#define GPHY_CTRL_PW_WOL_DIS (\ - GPHY_CTRL_PHY_PLL_ON |\ - GPHY_CTRL_SEL_ANA_RST |\ - GPHY_CTRL_HIB_PULSE |\ - GPHY_CTRL_HIB_EN |\ - GPHY_CTRL_PWDOWN_HW |\ - GPHY_CTRL_PCLK_SEL_DIS |\ - GPHY_CTRL_PHY_IDDQ) - -/* IRQ Anti-Lost Timer Initial Value Register */ -#define REG_CMBDISDMA_TIMER 0x140E - - -/* Block IDLE Status Register */ -#define REG_IDLE_STATUS 0x1410 -#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC state machine is in non-IDLE state. 0: RXMAC is idling */ -#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC state machine is in non-IDLE state. 0: TXMAC is idling */ -#define IDLE_STATUS_RXQ 4 /* 1: RXQ state machine is in non-IDLE state. 0: RXQ is idling */ -#define IDLE_STATUS_TXQ 8 /* 1: TXQ state machine is in non-IDLE state. 0: TXQ is idling */ -#define IDLE_STATUS_DMAR 0x10 /* 1: DMAR state machine is in non-IDLE state. 0: DMAR is idling */ -#define IDLE_STATUS_DMAW 0x20 /* 1: DMAW state machine is in non-IDLE state. 0: DMAW is idling */ -#define IDLE_STATUS_SMB 0x40 /* 1: SMB state machine is in non-IDLE state. 0: SMB is idling */ -#define IDLE_STATUS_CMB 0x80 /* 1: CMB state machine is in non-IDLE state. 0: CMB is idling */ - -/* MDIO Control Register */ -#define REG_MDIO_CTRL 0x1414 -#define MDIO_DATA_MASK 0xffff /* On MDIO write, the 16-bit control data to write to PHY MII management register */ -#define MDIO_DATA_SHIFT 0 /* On MDIO read, the 16-bit status data that was read from the PHY MII management register*/ -#define MDIO_REG_ADDR_MASK 0x1f /* MDIO register address */ -#define MDIO_REG_ADDR_SHIFT 16 -#define MDIO_RW 0x200000 /* 1: read, 0: write */ -#define MDIO_SUP_PREAMBLE 0x400000 /* Suppress preamble */ -#define MDIO_START 0x800000 /* Write 1 to initiate the MDIO master. And this bit is self cleared after one cycle*/ -#define MDIO_CLK_SEL_SHIFT 24 -#define MDIO_CLK_25_4 0 -#define MDIO_CLK_25_6 2 -#define MDIO_CLK_25_8 3 -#define MDIO_CLK_25_10 4 -#define MDIO_CLK_25_14 5 -#define MDIO_CLK_25_20 6 -#define MDIO_CLK_25_28 7 -#define MDIO_BUSY 0x8000000 -#define MDIO_AP_EN 0x10000000 -#define MDIO_WAIT_TIMES 10 - -/* MII PHY Status Register */ -#define REG_PHY_STATUS 0x1418 -#define PHY_STATUS_100M 0x20000 -#define PHY_STATUS_EMI_CA 0x40000 - -/* BIST Control and Status Register0 (for the Packet Memory) */ -#define REG_BIST0_CTRL 0x141c -#define BIST0_NOW 0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */ -/* BIST process and reset to zero when BIST is done */ -#define BIST0_SRAM_FAIL 0x2 /* 1: The SRAM failure is un-repairable because it has address */ -/* decoder failure or more than 1 cell stuck-to-x failure */ -#define BIST0_FUSE_FLAG 0x4 /* 1: Indicating one cell has been fixed */ - -/* BIST Control and Status Register1(for the retry buffer of PCI Express) */ -#define REG_BIST1_CTRL 0x1420 -#define BIST1_NOW 0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */ -/* BIST process and reset to zero when BIST is done */ -#define BIST1_SRAM_FAIL 0x2 /* 1: The SRAM failure is un-repairable because it has address */ -/* decoder failure or more than 1 cell stuck-to-x failure.*/ -#define BIST1_FUSE_FLAG 0x4 - -/* SerDes Lock Detect Control and Status Register */ -#define REG_SERDES_LOCK 0x1424 -#define SERDES_LOCK_DETECT 1 /* 1: SerDes lock detected . This signal comes from Analog SerDes */ -#define SERDES_LOCK_DETECT_EN 2 /* 1: Enable SerDes Lock detect function */ - -/* MAC Control Register */ -#define REG_MAC_CTRL 0x1480 -#define MAC_CTRL_TX_EN 1 /* 1: Transmit Enable */ -#define MAC_CTRL_RX_EN 2 /* 1: Receive Enable */ -#define MAC_CTRL_TX_FLOW 4 /* 1: Transmit Flow Control Enable */ -#define MAC_CTRL_RX_FLOW 8 /* 1: Receive Flow Control Enable */ -#define MAC_CTRL_LOOPBACK 0x10 /* 1: Loop back at G/MII Interface */ -#define MAC_CTRL_DUPLX 0x20 /* 1: Full-duplex mode 0: Half-duplex mode */ -#define MAC_CTRL_ADD_CRC 0x40 /* 1: Instruct MAC to attach CRC on all egress Ethernet frames */ -#define MAC_CTRL_PAD 0x80 /* 1: Instruct MAC to pad short frames to 60-bytes, and then attach CRC. This bit has higher priority over CRC_EN */ -#define MAC_CTRL_LENCHK 0x100 /* 1: Instruct MAC to check if length field matches the real packet length */ -#define MAC_CTRL_HUGE_EN 0x200 /* 1: receive Jumbo frame enable */ -#define MAC_CTRL_PRMLEN_SHIFT 10 /* Preamble length */ -#define MAC_CTRL_PRMLEN_MASK 0xf -#define MAC_CTRL_RMV_VLAN 0x4000 /* 1: to remove VLAN Tag automatically from all receive packets */ -#define MAC_CTRL_PROMIS_EN 0x8000 /* 1: Promiscuous Mode Enable */ -#define MAC_CTRL_TX_PAUSE 0x10000 /* 1: transmit test pause */ -#define MAC_CTRL_SCNT 0x20000 /* 1: shortcut slot time counter */ -#define MAC_CTRL_SRST_TX 0x40000 /* 1: synchronized reset Transmit MAC module */ -#define MAC_CTRL_TX_SIMURST 0x80000 /* 1: transmit simulation reset */ -#define MAC_CTRL_SPEED_SHIFT 20 /* 10: gigabit 01:10M/100M */ -#define MAC_CTRL_SPEED_MASK 0x300000 -#define MAC_CTRL_SPEED_1000 2 -#define MAC_CTRL_SPEED_10_100 1 -#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 /* 1: transmit maximum backoff (half-duplex test bit) */ -#define MAC_CTRL_TX_HUGE 0x800000 /* 1: transmit huge enable */ -#define MAC_CTRL_RX_CHKSUM_EN 0x1000000 /* 1: RX checksum enable */ -#define MAC_CTRL_MC_ALL_EN 0x2000000 /* 1: upload all multicast frame without error to system */ -#define MAC_CTRL_BC_EN 0x4000000 /* 1: upload all broadcast frame without error to system */ -#define MAC_CTRL_DBG 0x8000000 /* 1: upload all received frame to system (Debug Mode) */ - -/* MAC IPG/IFG Control Register */ -#define REG_MAC_IPG_IFG 0x1484 -#define MAC_IPG_IFG_IPGT_SHIFT 0 /* Desired back to back inter-packet gap. The default is 96-bit time */ -#define MAC_IPG_IFG_IPGT_MASK 0x7f -#define MAC_IPG_IFG_MIFG_SHIFT 8 /* Minimum number of IFG to enforce in between RX frames */ -#define MAC_IPG_IFG_MIFG_MASK 0xff /* Frame gap below such IFP is dropped */ -#define MAC_IPG_IFG_IPGR1_SHIFT 16 /* 64bit Carrier-Sense window */ -#define MAC_IPG_IFG_IPGR1_MASK 0x7f -#define MAC_IPG_IFG_IPGR2_SHIFT 24 /* 96-bit IPG window */ -#define MAC_IPG_IFG_IPGR2_MASK 0x7f - -/* MAC STATION ADDRESS */ -#define REG_MAC_STA_ADDR 0x1488 - -/* Hash table for multicast address */ -#define REG_RX_HASH_TABLE 0x1490 - - -/* MAC Half-Duplex Control Register */ -#define REG_MAC_HALF_DUPLX_CTRL 0x1498 -#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 /* Collision Window */ -#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3ff -#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 /* Retransmission maximum, afterwards the packet will be discarded */ -#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xf -#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 /* 1: Allow the transmission of a packet which has been excessively deferred */ -#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 /* 1: No back-off on collision, immediately start the retransmission */ -#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 /* 1: No back-off on backpressure, immediately start the transmission after back pressure */ -#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */ -#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 /* Maximum binary exponential number */ -#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xf -#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 /* IPG to start JAM for collision based flow control in half-duplex */ -#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xf /* mode. In unit of 8-bit time */ - -/* Maximum Frame Length Control Register */ -#define REG_MTU 0x149c - -/* Wake-On-Lan control register */ -#define REG_WOL_CTRL 0x14a0 -#define WOL_PATTERN_EN 0x00000001 -#define WOL_PATTERN_PME_EN 0x00000002 -#define WOL_MAGIC_EN 0x00000004 -#define WOL_MAGIC_PME_EN 0x00000008 -#define WOL_LINK_CHG_EN 0x00000010 -#define WOL_LINK_CHG_PME_EN 0x00000020 -#define WOL_PATTERN_ST 0x00000100 -#define WOL_MAGIC_ST 0x00000200 -#define WOL_LINKCHG_ST 0x00000400 -#define WOL_CLK_SWITCH_EN 0x00008000 -#define WOL_PT0_EN 0x00010000 -#define WOL_PT1_EN 0x00020000 -#define WOL_PT2_EN 0x00040000 -#define WOL_PT3_EN 0x00080000 -#define WOL_PT4_EN 0x00100000 -#define WOL_PT5_EN 0x00200000 -#define WOL_PT6_EN 0x00400000 -/* WOL Length ( 2 DWORD ) */ -#define REG_WOL_PATTERN_LEN 0x14a4 -#define WOL_PT_LEN_MASK 0x7f -#define WOL_PT0_LEN_SHIFT 0 -#define WOL_PT1_LEN_SHIFT 8 -#define WOL_PT2_LEN_SHIFT 16 -#define WOL_PT3_LEN_SHIFT 24 -#define WOL_PT4_LEN_SHIFT 0 -#define WOL_PT5_LEN_SHIFT 8 -#define WOL_PT6_LEN_SHIFT 16 - -/* Internal SRAM Partition Register */ -#define REG_SRAM_TRD_ADDR 0x1518 -#define REG_SRAM_TRD_LEN 0x151C -#define REG_SRAM_RXF_ADDR 0x1520 -#define REG_SRAM_RXF_LEN 0x1524 -#define REG_SRAM_TXF_ADDR 0x1528 -#define REG_SRAM_TXF_LEN 0x152C -#define REG_SRAM_TCPH_ADDR 0x1530 -#define REG_SRAM_PKTH_ADDR 0x1532 - -/* Load Ptr Register */ -#define REG_LOAD_PTR 0x1534 /* Software sets this bit after the initialization of the head and tail */ - -/* - * addresses of all descriptors, as well as the following descriptor - * control register, which triggers each function block to load the head - * pointer to prepare for the operation. This bit is then self-cleared - * after one cycle. - */ - -/* Descriptor Control register */ -#define REG_RXF3_BASE_ADDR_HI 0x153C -#define REG_DESC_BASE_ADDR_HI 0x1540 -#define REG_RXF0_BASE_ADDR_HI 0x1540 /* share with DESC BASE ADDR HI */ -#define REG_HOST_RXF0_PAGE0_LO 0x1544 -#define REG_HOST_RXF0_PAGE1_LO 0x1548 -#define REG_TPD_BASE_ADDR_LO 0x154C -#define REG_RXF1_BASE_ADDR_HI 0x1550 -#define REG_RXF2_BASE_ADDR_HI 0x1554 -#define REG_HOST_RXFPAGE_SIZE 0x1558 -#define REG_TPD_RING_SIZE 0x155C -/* RSS about */ -#define REG_RSS_KEY0 0x14B0 -#define REG_RSS_KEY1 0x14B4 -#define REG_RSS_KEY2 0x14B8 -#define REG_RSS_KEY3 0x14BC -#define REG_RSS_KEY4 0x14C0 -#define REG_RSS_KEY5 0x14C4 -#define REG_RSS_KEY6 0x14C8 -#define REG_RSS_KEY7 0x14CC -#define REG_RSS_KEY8 0x14D0 -#define REG_RSS_KEY9 0x14D4 -#define REG_IDT_TABLE4 0x14E0 -#define REG_IDT_TABLE5 0x14E4 -#define REG_IDT_TABLE6 0x14E8 -#define REG_IDT_TABLE7 0x14EC -#define REG_IDT_TABLE0 0x1560 -#define REG_IDT_TABLE1 0x1564 -#define REG_IDT_TABLE2 0x1568 -#define REG_IDT_TABLE3 0x156C -#define REG_IDT_TABLE REG_IDT_TABLE0 -#define REG_RSS_HASH_VALUE 0x1570 -#define REG_RSS_HASH_FLAG 0x1574 -#define REG_BASE_CPU_NUMBER 0x157C - - -/* TXQ Control Register */ -#define REG_TXQ_CTRL 0x1580 -#define TXQ_CTRL_NUM_TPD_BURST_MASK 0xF -#define TXQ_CTRL_NUM_TPD_BURST_SHIFT 0 -#define TXQ_CTRL_EN 0x20 /* 1: Enable TXQ */ -#define TXQ_CTRL_ENH_MODE 0x40 /* Performance enhancement mode, in which up to two back-to-back DMA read commands might be dispatched. */ -#define TXQ_CTRL_TXF_BURST_NUM_SHIFT 16 /* Number of data byte to read in a cache-aligned burst. Each SRAM entry is 8-byte in length. */ -#define TXQ_CTRL_TXF_BURST_NUM_MASK 0xffff - -/* Jumbo packet Threshold for task offload */ -#define REG_TX_EARLY_TH 0x1584 /* Jumbo frame threshold in QWORD unit. Packet greater than */ -/* JUMBO_TASK_OFFLOAD_THRESHOLD will not be task offloaded. */ -#define TX_TX_EARLY_TH_MASK 0x7ff -#define TX_TX_EARLY_TH_SHIFT 0 - - -/* RXQ Control Register */ -#define REG_RXQ_CTRL 0x15A0 -#define RXQ_CTRL_PBA_ALIGN_32 0 /* rx-packet alignment */ -#define RXQ_CTRL_PBA_ALIGN_64 1 -#define RXQ_CTRL_PBA_ALIGN_128 2 -#define RXQ_CTRL_PBA_ALIGN_256 3 -#define RXQ_CTRL_Q1_EN 0x10 -#define RXQ_CTRL_Q2_EN 0x20 -#define RXQ_CTRL_Q3_EN 0x40 -#define RXQ_CTRL_IPV6_XSUM_VERIFY_EN 0x80 -#define RXQ_CTRL_HASH_TLEN_SHIFT 8 -#define RXQ_CTRL_HASH_TLEN_MASK 0xFF -#define RXQ_CTRL_HASH_TYPE_IPV4 0x10000 -#define RXQ_CTRL_HASH_TYPE_IPV4_TCP 0x20000 -#define RXQ_CTRL_HASH_TYPE_IPV6 0x40000 -#define RXQ_CTRL_HASH_TYPE_IPV6_TCP 0x80000 -#define RXQ_CTRL_RSS_MODE_DISABLE 0 -#define RXQ_CTRL_RSS_MODE_SQSINT 0x4000000 -#define RXQ_CTRL_RSS_MODE_MQUESINT 0x8000000 -#define RXQ_CTRL_RSS_MODE_MQUEMINT 0xC000000 -#define RXQ_CTRL_NIP_QUEUE_SEL_TBL 0x10000000 -#define RXQ_CTRL_HASH_ENABLE 0x20000000 -#define RXQ_CTRL_CUT_THRU_EN 0x40000000 -#define RXQ_CTRL_EN 0x80000000 - -/* Rx jumbo packet threshold and rrd retirement timer */ -#define REG_RXQ_JMBOSZ_RRDTIM 0x15A4 -/* - * Jumbo packet threshold for non-VLAN packet, in QWORD (64-bit) unit. - * When the packet length greater than or equal to this value, RXQ - * shall start cut-through forwarding of the received packet. - */ -#define RXQ_JMBOSZ_TH_MASK 0x7ff -#define RXQ_JMBOSZ_TH_SHIFT 0 /* RRD retirement timer. Decrement by 1 after every 512ns passes*/ -#define RXQ_JMBO_LKAH_MASK 0xf -#define RXQ_JMBO_LKAH_SHIFT 11 - -/* RXF flow control register */ -#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8 -#define RXQ_RXF_PAUSE_TH_HI_SHIFT 0 -#define RXQ_RXF_PAUSE_TH_HI_MASK 0xfff -#define RXQ_RXF_PAUSE_TH_LO_SHIFT 16 -#define RXQ_RXF_PAUSE_TH_LO_MASK 0xfff - - -/* DMA Engine Control Register */ -#define REG_DMA_CTRL 0x15C0 -#define DMA_CTRL_DMAR_IN_ORDER 0x1 -#define DMA_CTRL_DMAR_ENH_ORDER 0x2 -#define DMA_CTRL_DMAR_OUT_ORDER 0x4 -#define DMA_CTRL_RCB_VALUE 0x8 -#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4 -#define DMA_CTRL_DMAR_BURST_LEN_MASK 7 -#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7 -#define DMA_CTRL_DMAW_BURST_LEN_MASK 7 -#define DMA_CTRL_DMAR_REQ_PRI 0x400 -#define DMA_CTRL_DMAR_DLY_CNT_MASK 0x1F -#define DMA_CTRL_DMAR_DLY_CNT_SHIFT 11 -#define DMA_CTRL_DMAW_DLY_CNT_MASK 0xF -#define DMA_CTRL_DMAW_DLY_CNT_SHIFT 16 -#define DMA_CTRL_TXCMB_EN 0x100000 -#define DMA_CTRL_RXCMB_EN 0x200000 - - -/* CMB/SMB Control Register */ -#define REG_SMB_STAT_TIMER 0x15C4 -#define REG_TRIG_RRD_THRESH 0x15CA -#define REG_TRIG_TPD_THRESH 0x15C8 -#define REG_TRIG_TXTIMER 0x15CC -#define REG_TRIG_RXTIMER 0x15CE - -/* HOST RXF Page 1,2,3 address */ -#define REG_HOST_RXF1_PAGE0_LO 0x15D0 -#define REG_HOST_RXF1_PAGE1_LO 0x15D4 -#define REG_HOST_RXF2_PAGE0_LO 0x15D8 -#define REG_HOST_RXF2_PAGE1_LO 0x15DC -#define REG_HOST_RXF3_PAGE0_LO 0x15E0 -#define REG_HOST_RXF3_PAGE1_LO 0x15E4 - -/* Mail box */ -#define REG_MB_RXF1_RADDR 0x15B4 -#define REG_MB_RXF2_RADDR 0x15B8 -#define REG_MB_RXF3_RADDR 0x15BC -#define REG_MB_TPD_PROD_IDX 0x15F0 - -/* RXF-Page 0-3 PageNo & Valid bit */ -#define REG_HOST_RXF0_PAGE0_VLD 0x15F4 -#define HOST_RXF_VALID 1 -#define HOST_RXF_PAGENO_SHIFT 1 -#define HOST_RXF_PAGENO_MASK 0x7F -#define REG_HOST_RXF0_PAGE1_VLD 0x15F5 -#define REG_HOST_RXF1_PAGE0_VLD 0x15F6 -#define REG_HOST_RXF1_PAGE1_VLD 0x15F7 -#define REG_HOST_RXF2_PAGE0_VLD 0x15F8 -#define REG_HOST_RXF2_PAGE1_VLD 0x15F9 -#define REG_HOST_RXF3_PAGE0_VLD 0x15FA -#define REG_HOST_RXF3_PAGE1_VLD 0x15FB - -/* Interrupt Status Register */ -#define REG_ISR 0x1600 -#define ISR_SMB 1 -#define ISR_TIMER 2 /* Interrupt when Timer is counted down to zero */ -/* - * Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set - * in Table 51 Selene Master Control Register (Offset 0x1400). - */ -#define ISR_MANUAL 4 -#define ISR_HW_RXF_OV 8 /* RXF overflow interrupt */ -#define ISR_HOST_RXF0_OV 0x10 -#define ISR_HOST_RXF1_OV 0x20 -#define ISR_HOST_RXF2_OV 0x40 -#define ISR_HOST_RXF3_OV 0x80 -#define ISR_TXF_UN 0x100 -#define ISR_RX0_PAGE_FULL 0x200 -#define ISR_DMAR_TO_RST 0x400 -#define ISR_DMAW_TO_RST 0x800 -#define ISR_GPHY 0x1000 -#define ISR_TX_CREDIT 0x2000 -#define ISR_GPHY_LPW 0x4000 /* GPHY low power state interrupt */ -#define ISR_RX_PKT 0x10000 /* One packet received, triggered by RFD */ -#define ISR_TX_PKT 0x20000 /* One packet transmitted, triggered by TPD */ -#define ISR_TX_DMA 0x40000 -#define ISR_RX_PKT_1 0x80000 -#define ISR_RX_PKT_2 0x100000 -#define ISR_RX_PKT_3 0x200000 -#define ISR_MAC_RX 0x400000 -#define ISR_MAC_TX 0x800000 -#define ISR_UR_DETECTED 0x1000000 -#define ISR_FERR_DETECTED 0x2000000 -#define ISR_NFERR_DETECTED 0x4000000 -#define ISR_CERR_DETECTED 0x8000000 -#define ISR_PHY_LINKDOWN 0x10000000 -#define ISR_DIS_INT 0x80000000 - - -/* Interrupt Mask Register */ -#define REG_IMR 0x1604 - - -#define IMR_NORMAL_MASK (\ - ISR_SMB |\ - ISR_TXF_UN |\ - ISR_HW_RXF_OV |\ - ISR_HOST_RXF0_OV|\ - ISR_MANUAL |\ - ISR_GPHY |\ - ISR_GPHY_LPW |\ - ISR_DMAR_TO_RST |\ - ISR_DMAW_TO_RST |\ - ISR_PHY_LINKDOWN|\ - ISR_RX_PKT |\ - ISR_TX_PKT) - -#define ISR_TX_EVENT (ISR_TXF_UN | ISR_TX_PKT) -#define ISR_RX_EVENT (ISR_HOST_RXF0_OV | ISR_HW_RXF_OV | ISR_RX_PKT) - -#define REG_MAC_RX_STATUS_BIN 0x1700 -#define REG_MAC_RX_STATUS_END 0x175c -#define REG_MAC_TX_STATUS_BIN 0x1760 -#define REG_MAC_TX_STATUS_END 0x17c0 - -/* Hardware Offset Register */ -#define REG_HOST_RXF0_PAGEOFF 0x1800 -#define REG_TPD_CONS_IDX 0x1804 -#define REG_HOST_RXF1_PAGEOFF 0x1808 -#define REG_HOST_RXF2_PAGEOFF 0x180C -#define REG_HOST_RXF3_PAGEOFF 0x1810 - -/* RXF-Page 0-3 Offset DMA Address */ -#define REG_HOST_RXF0_MB0_LO 0x1820 -#define REG_HOST_RXF0_MB1_LO 0x1824 -#define REG_HOST_RXF1_MB0_LO 0x1828 -#define REG_HOST_RXF1_MB1_LO 0x182C -#define REG_HOST_RXF2_MB0_LO 0x1830 -#define REG_HOST_RXF2_MB1_LO 0x1834 -#define REG_HOST_RXF3_MB0_LO 0x1838 -#define REG_HOST_RXF3_MB1_LO 0x183C - -/* Tpd CMB DMA Address */ -#define REG_HOST_TX_CMB_LO 0x1840 -#define REG_HOST_SMB_ADDR_LO 0x1844 - -/* DEBUG ADDR */ -#define REG_DEBUG_DATA0 0x1900 -#define REG_DEBUG_DATA1 0x1904 - -/***************************** MII definition ***************************************/ -/* PHY Common Register */ -#define MII_AT001_PSCR 0x10 -#define MII_AT001_PSSR 0x11 -#define MII_INT_CTRL 0x12 -#define MII_INT_STATUS 0x13 -#define MII_SMARTSPEED 0x14 -#define MII_LBRERROR 0x18 -#define MII_RESV2 0x1a - -#define MII_DBG_ADDR 0x1D -#define MII_DBG_DATA 0x1E - -/* Autoneg Advertisement Register */ -#define MII_AR_DEFAULT_CAP_MASK 0 - -/* 1000BASE-T Control Register */ -#define MII_AT001_CR_1000T_SPEED_MASK \ - (ADVERTISE_1000FULL | ADVERTISE_1000HALF) -#define MII_AT001_CR_1000T_DEFAULT_CAP_MASK MII_AT001_CR_1000T_SPEED_MASK - -/* AT001 PHY Specific Control Register */ -#define MII_AT001_PSCR_JABBER_DISABLE 0x0001 /* 1=Jabber Function disabled */ -#define MII_AT001_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */ -#define MII_AT001_PSCR_SQE_TEST 0x0004 /* 1=SQE Test enabled */ -#define MII_AT001_PSCR_MAC_POWERDOWN 0x0008 -#define MII_AT001_PSCR_CLK125_DISABLE 0x0010 /* 1=CLK125 low, - * 0=CLK125 toggling - */ -#define MII_AT001_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */ -/* Manual MDI configuration */ -#define MII_AT001_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */ -#define MII_AT001_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover, - * 100BASE-TX/10BASE-T: - * MDI Mode - */ -#define MII_AT001_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled - * all speeds. - */ -#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE 0x0080 -/* 1=Enable Extended 10BASE-T distance - * (Lower 10BASE-T RX Threshold) - * 0=Normal 10BASE-T RX Threshold */ -#define MII_AT001_PSCR_MII_5BIT_ENABLE 0x0100 -/* 1=5-Bit interface in 100BASE-TX - * 0=MII interface in 100BASE-TX */ -#define MII_AT001_PSCR_SCRAMBLER_DISABLE 0x0200 /* 1=Scrambler disable */ -#define MII_AT001_PSCR_FORCE_LINK_GOOD 0x0400 /* 1=Force link good */ -#define MII_AT001_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */ -#define MII_AT001_PSCR_POLARITY_REVERSAL_SHIFT 1 -#define MII_AT001_PSCR_AUTO_X_MODE_SHIFT 5 -#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7 -/* AT001 PHY Specific Status Register */ -#define MII_AT001_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ -#define MII_AT001_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ -#define MII_AT001_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ -#define MII_AT001_PSSR_10MBS 0x0000 /* 00=10Mbs */ -#define MII_AT001_PSSR_100MBS 0x4000 /* 01=100Mbs */ -#define MII_AT001_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ - -#endif /*_ATHL1E_HW_H_*/ diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c deleted file mode 100644 index d8d411998fa..00000000000 --- a/drivers/net/atl1e/atl1e_main.c +++ /dev/null @@ -1,2558 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * 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) - * 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. - */ - -#include "atl1e.h" - -#define DRV_VERSION "1.0.0.7-NAPI" - -char atl1e_driver_name[] = "ATL1E"; -char atl1e_driver_version[] = DRV_VERSION; -#define PCI_DEVICE_ID_ATTANSIC_L1E 0x1026 -/* - * atl1e_pci_tbl - PCI Device ID Table - * - * Wildcard entries (PCI_ANY_ID) should come last - * Last entry must be all 0s - * - * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, - * Class, Class Mask, private data (not used) } - */ -static DEFINE_PCI_DEVICE_TABLE(atl1e_pci_tbl) = { - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)}, - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, 0x1066)}, - /* required last entry */ - { 0 } -}; -MODULE_DEVICE_TABLE(pci, atl1e_pci_tbl); - -MODULE_AUTHOR("Atheros Corporation, <xiong.huang@atheros.com>, Jie Yang <jie.yang@atheros.com>"); -MODULE_DESCRIPTION("Atheros 1000M Ethernet Network Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_VERSION); - -static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter); - -static const u16 -atl1e_rx_page_vld_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] = -{ - {REG_HOST_RXF0_PAGE0_VLD, REG_HOST_RXF0_PAGE1_VLD}, - {REG_HOST_RXF1_PAGE0_VLD, REG_HOST_RXF1_PAGE1_VLD}, - {REG_HOST_RXF2_PAGE0_VLD, REG_HOST_RXF2_PAGE1_VLD}, - {REG_HOST_RXF3_PAGE0_VLD, REG_HOST_RXF3_PAGE1_VLD} -}; - -static const u16 atl1e_rx_page_hi_addr_regs[AT_MAX_RECEIVE_QUEUE] = -{ - REG_RXF0_BASE_ADDR_HI, - REG_RXF1_BASE_ADDR_HI, - REG_RXF2_BASE_ADDR_HI, - REG_RXF3_BASE_ADDR_HI -}; - -static const u16 -atl1e_rx_page_lo_addr_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] = -{ - {REG_HOST_RXF0_PAGE0_LO, REG_HOST_RXF0_PAGE1_LO}, - {REG_HOST_RXF1_PAGE0_LO, REG_HOST_RXF1_PAGE1_LO}, - {REG_HOST_RXF2_PAGE0_LO, REG_HOST_RXF2_PAGE1_LO}, - {REG_HOST_RXF3_PAGE0_LO, REG_HOST_RXF3_PAGE1_LO} -}; - -static const u16 -atl1e_rx_page_write_offset_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] = -{ - {REG_HOST_RXF0_MB0_LO, REG_HOST_RXF0_MB1_LO}, - {REG_HOST_RXF1_MB0_LO, REG_HOST_RXF1_MB1_LO}, - {REG_HOST_RXF2_MB0_LO, REG_HOST_RXF2_MB1_LO}, - {REG_HOST_RXF3_MB0_LO, REG_HOST_RXF3_MB1_LO} -}; - -static const u16 atl1e_pay_load_size[] = { - 128, 256, 512, 1024, 2048, 4096, -}; - -/* - * atl1e_irq_enable - Enable default interrupt generation settings - * @adapter: board private structure - */ -static inline void atl1e_irq_enable(struct atl1e_adapter *adapter) -{ - if (likely(atomic_dec_and_test(&adapter->irq_sem))) { - AT_WRITE_REG(&adapter->hw, REG_ISR, 0); - AT_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK); - AT_WRITE_FLUSH(&adapter->hw); - } -} - -/* - * atl1e_irq_disable - Mask off interrupt generation on the NIC - * @adapter: board private structure - */ -static inline void atl1e_irq_disable(struct atl1e_adapter *adapter) -{ - atomic_inc(&adapter->irq_sem); - AT_WRITE_REG(&adapter->hw, REG_IMR, 0); - AT_WRITE_FLUSH(&adapter->hw); - synchronize_irq(adapter->pdev->irq); -} - -/* - * atl1e_irq_reset - reset interrupt confiure on the NIC - * @adapter: board private structure - */ -static inline void atl1e_irq_reset(struct atl1e_adapter *adapter) -{ - atomic_set(&adapter->irq_sem, 0); - AT_WRITE_REG(&adapter->hw, REG_ISR, 0); - AT_WRITE_REG(&adapter->hw, REG_IMR, 0); - AT_WRITE_FLUSH(&adapter->hw); -} - -/* - * atl1e_phy_config - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl1e_phy_config(unsigned long data) -{ - struct atl1e_adapter *adapter = (struct atl1e_adapter *) data; - struct atl1e_hw *hw = &adapter->hw; - unsigned long flags; - - spin_lock_irqsave(&adapter->mdio_lock, flags); - atl1e_restart_autoneg(hw); - spin_unlock_irqrestore(&adapter->mdio_lock, flags); -} - -void atl1e_reinit_locked(struct atl1e_adapter *adapter) -{ - - WARN_ON(in_interrupt()); - while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) - msleep(1); - atl1e_down(adapter); - atl1e_up(adapter); - clear_bit(__AT_RESETTING, &adapter->flags); -} - -static void atl1e_reset_task(struct work_struct *work) -{ - struct atl1e_adapter *adapter; - adapter = container_of(work, struct atl1e_adapter, reset_task); - - atl1e_reinit_locked(adapter); -} - -static int atl1e_check_link(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - int err = 0; - u16 speed, duplex, phy_data; - - /* MII_BMSR must read twice */ - atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); - atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); - if ((phy_data & BMSR_LSTATUS) == 0) { - /* link down */ - if (netif_carrier_ok(netdev)) { /* old link state: Up */ - u32 value; - /* disable rx */ - value = AT_READ_REG(hw, REG_MAC_CTRL); - value &= ~MAC_CTRL_RX_EN; - AT_WRITE_REG(hw, REG_MAC_CTRL, value); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - } else { - /* Link Up */ - err = atl1e_get_speed_and_duplex(hw, &speed, &duplex); - if (unlikely(err)) - return err; - - /* link result is our setting */ - if (adapter->link_speed != speed || - adapter->link_duplex != duplex) { - adapter->link_speed = speed; - adapter->link_duplex = duplex; - atl1e_setup_mac_ctrl(adapter); - netdev_info(netdev, - "NIC Link is Up <%d Mbps %s Duplex>\n", - adapter->link_speed, - adapter->link_duplex == FULL_DUPLEX ? - "Full" : "Half"); - } - - if (!netif_carrier_ok(netdev)) { - /* Link down -> Up */ - netif_carrier_on(netdev); - netif_wake_queue(netdev); - } - } - return 0; -} - -/* - * atl1e_link_chg_task - deal with link change event Out of interrupt context - * @netdev: network interface device structure - */ -static void atl1e_link_chg_task(struct work_struct *work) -{ - struct atl1e_adapter *adapter; - unsigned long flags; - - adapter = container_of(work, struct atl1e_adapter, link_chg_task); - spin_lock_irqsave(&adapter->mdio_lock, flags); - atl1e_check_link(adapter); - spin_unlock_irqrestore(&adapter->mdio_lock, flags); -} - -static void atl1e_link_chg_event(struct atl1e_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - u16 phy_data = 0; - u16 link_up = 0; - - spin_lock(&adapter->mdio_lock); - atl1e_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - atl1e_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - spin_unlock(&adapter->mdio_lock); - link_up = phy_data & BMSR_LSTATUS; - /* notify upper layer link down ASAP */ - if (!link_up) { - if (netif_carrier_ok(netdev)) { - /* old link state: Up */ - netdev_info(netdev, "NIC Link is Down\n"); - adapter->link_speed = SPEED_0; - netif_stop_queue(netdev); - } - } - schedule_work(&adapter->link_chg_task); -} - -static void atl1e_del_timer(struct atl1e_adapter *adapter) -{ - del_timer_sync(&adapter->phy_config_timer); -} - -static void atl1e_cancel_work(struct atl1e_adapter *adapter) -{ - cancel_work_sync(&adapter->reset_task); - cancel_work_sync(&adapter->link_chg_task); -} - -/* - * atl1e_tx_timeout - Respond to a Tx Hang - * @netdev: network interface device structure - */ -static void atl1e_tx_timeout(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - /* Do the reset outside of interrupt context */ - schedule_work(&adapter->reset_task); -} - -/* - * atl1e_set_multi - Multicast and Promiscuous mode set - * @netdev: network interface device structure - * - * The set_multi entry point is called whenever the multicast address - * list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper multicast, - * promiscuous mode, and all-multi behavior. - */ -static void atl1e_set_multi(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - struct netdev_hw_addr *ha; - u32 mac_ctrl_data = 0; - u32 hash_value; - - /* Check for Promiscuous and All Multicast modes */ - mac_ctrl_data = AT_READ_REG(hw, REG_MAC_CTRL); - - if (netdev->flags & IFF_PROMISC) { - mac_ctrl_data |= MAC_CTRL_PROMIS_EN; - } else if (netdev->flags & IFF_ALLMULTI) { - mac_ctrl_data |= MAC_CTRL_MC_ALL_EN; - mac_ctrl_data &= ~MAC_CTRL_PROMIS_EN; - } else { - mac_ctrl_data &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); - } - - AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); - - /* clear the old settings from the multicast hash table */ - AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); - AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); - - /* comoute mc addresses' hash value ,and put it into hash table */ - netdev_for_each_mc_addr(ha, netdev) { - hash_value = atl1e_hash_mc_addr(hw, ha->addr); - atl1e_hash_set(hw, hash_value); - } -} - -static void __atl1e_vlan_mode(u32 features, u32 *mac_ctrl_data) -{ - if (features & NETIF_F_HW_VLAN_RX) { - /* enable VLAN tag insert/strip */ - *mac_ctrl_data |= MAC_CTRL_RMV_VLAN; - } else { - /* disable VLAN tag insert/strip */ - *mac_ctrl_data &= ~MAC_CTRL_RMV_VLAN; - } -} - -static void atl1e_vlan_mode(struct net_device *netdev, u32 features) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - u32 mac_ctrl_data = 0; - - netdev_dbg(adapter->netdev, "%s\n", __func__); - - atl1e_irq_disable(adapter); - mac_ctrl_data = AT_READ_REG(&adapter->hw, REG_MAC_CTRL); - __atl1e_vlan_mode(features, &mac_ctrl_data); - AT_WRITE_REG(&adapter->hw, REG_MAC_CTRL, mac_ctrl_data); - atl1e_irq_enable(adapter); -} - -static void atl1e_restore_vlan(struct atl1e_adapter *adapter) -{ - netdev_dbg(adapter->netdev, "%s\n", __func__); - atl1e_vlan_mode(adapter->netdev, adapter->netdev->features); -} - -/* - * atl1e_set_mac - Change the Ethernet Address of the NIC - * @netdev: network interface device structure - * @p: pointer to an address structure - * - * Returns 0 on success, negative on failure - */ -static int atl1e_set_mac_addr(struct net_device *netdev, void *p) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - if (netif_running(netdev)) - return -EBUSY; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); - - atl1e_hw_set_mac_addr(&adapter->hw); - - return 0; -} - -static u32 atl1e_fix_features(struct net_device *netdev, u32 features) -{ - /* - * Since there is no support for separate rx/tx vlan accel - * enable/disable make sure tx flag is always in same state as rx. - */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; - else - features &= ~NETIF_F_HW_VLAN_TX; - - return features; -} - -static int atl1e_set_features(struct net_device *netdev, u32 features) -{ - u32 changed = netdev->features ^ features; - - if (changed & NETIF_F_HW_VLAN_RX) - atl1e_vlan_mode(netdev, features); - - return 0; -} - -/* - * atl1e_change_mtu - Change the Maximum Transfer Unit - * @netdev: network interface device structure - * @new_mtu: new value for maximum frame size - * - * Returns 0 on success, negative on failure - */ -static int atl1e_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - int old_mtu = netdev->mtu; - int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; - - if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || - (max_frame > MAX_JUMBO_FRAME_SIZE)) { - netdev_warn(adapter->netdev, "invalid MTU setting\n"); - return -EINVAL; - } - /* set MTU */ - if (old_mtu != new_mtu && netif_running(netdev)) { - while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) - msleep(1); - netdev->mtu = new_mtu; - adapter->hw.max_frame_size = new_mtu; - adapter->hw.rx_jumbo_th = (max_frame + 7) >> 3; - atl1e_down(adapter); - atl1e_up(adapter); - clear_bit(__AT_RESETTING, &adapter->flags); - } - return 0; -} - -/* - * caller should hold mdio_lock - */ -static int atl1e_mdio_read(struct net_device *netdev, int phy_id, int reg_num) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - u16 result; - - atl1e_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result); - return result; -} - -static void atl1e_mdio_write(struct net_device *netdev, int phy_id, - int reg_num, int val) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val); -} - -/* - * atl1e_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1e_mii_ioctl(struct net_device *netdev, - struct ifreq *ifr, int cmd) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct mii_ioctl_data *data = if_mii(ifr); - unsigned long flags; - int retval = 0; - - if (!netif_running(netdev)) - return -EINVAL; - - spin_lock_irqsave(&adapter->mdio_lock, flags); - switch (cmd) { - case SIOCGMIIPHY: - data->phy_id = 0; - break; - - case SIOCGMIIREG: - if (atl1e_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, - &data->val_out)) { - retval = -EIO; - goto out; - } - break; - - case SIOCSMIIREG: - if (data->reg_num & ~(0x1F)) { - retval = -EFAULT; - goto out; - } - - netdev_dbg(adapter->netdev, "<atl1e_mii_ioctl> write %x %x\n", - data->reg_num, data->val_in); - if (atl1e_write_phy_reg(&adapter->hw, - data->reg_num, data->val_in)) { - retval = -EIO; - goto out; - } - break; - - default: - retval = -EOPNOTSUPP; - break; - } -out: - spin_unlock_irqrestore(&adapter->mdio_lock, flags); - return retval; - -} - -/* - * atl1e_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return atl1e_mii_ioctl(netdev, ifr, cmd); - default: - return -EOPNOTSUPP; - } -} - -static void atl1e_setup_pcicmd(struct pci_dev *pdev) -{ - u16 cmd; - - pci_read_config_word(pdev, PCI_COMMAND, &cmd); - cmd &= ~(PCI_COMMAND_INTX_DISABLE | PCI_COMMAND_IO); - cmd |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); - pci_write_config_word(pdev, PCI_COMMAND, cmd); - - /* - * some motherboards BIOS(PXE/EFI) driver may set PME - * while they transfer control to OS (Windows/Linux) - * so we should clear this bit before NIC work normally - */ - pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0); - msleep(1); -} - -/* - * atl1e_alloc_queues - Allocate memory for all rings - * @adapter: board private structure to initialize - * - */ -static int __devinit atl1e_alloc_queues(struct atl1e_adapter *adapter) -{ - return 0; -} - -/* - * atl1e_sw_init - Initialize general software structures (struct atl1e_adapter) - * @adapter: board private structure to initialize - * - * atl1e_sw_init initializes the Adapter private data structure. - * Fields are initialized based on PCI device information and - * OS network device settings (MTU size). - */ -static int __devinit atl1e_sw_init(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = &adapter->hw; - struct pci_dev *pdev = adapter->pdev; - u32 phy_status_data = 0; - - adapter->wol = 0; - adapter->link_speed = SPEED_0; /* hardware init */ - adapter->link_duplex = FULL_DUPLEX; - adapter->num_rx_queues = 1; - - /* PCI config space info */ - hw->vendor_id = pdev->vendor; - hw->device_id = pdev->device; - hw->subsystem_vendor_id = pdev->subsystem_vendor; - hw->subsystem_id = pdev->subsystem_device; - hw->revision_id = pdev->revision; - - pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); - - phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS); - /* nic type */ - if (hw->revision_id >= 0xF0) { - hw->nic_type = athr_l2e_revB; - } else { - if (phy_status_data & PHY_STATUS_100M) - hw->nic_type = athr_l1e; - else - hw->nic_type = athr_l2e_revA; - } - - phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS); - - if (phy_status_data & PHY_STATUS_EMI_CA) - hw->emi_ca = true; - else - hw->emi_ca = false; - - hw->phy_configured = false; - hw->preamble_len = 7; - hw->max_frame_size = adapter->netdev->mtu; - hw->rx_jumbo_th = (hw->max_frame_size + ETH_HLEN + - VLAN_HLEN + ETH_FCS_LEN + 7) >> 3; - - hw->rrs_type = atl1e_rrs_disable; - hw->indirect_tab = 0; - hw->base_cpu = 0; - - /* need confirm */ - - hw->ict = 50000; /* 100ms */ - hw->smb_timer = 200000; /* 200ms */ - hw->tpd_burst = 5; - hw->rrd_thresh = 1; - hw->tpd_thresh = adapter->tx_ring.count / 2; - hw->rx_count_down = 4; /* 2us resolution */ - hw->tx_count_down = hw->imt * 4 / 3; - hw->dmar_block = atl1e_dma_req_1024; - hw->dmaw_block = atl1e_dma_req_1024; - hw->dmar_dly_cnt = 15; - hw->dmaw_dly_cnt = 4; - - if (atl1e_alloc_queues(adapter)) { - netdev_err(adapter->netdev, "Unable to allocate memory for queues\n"); - return -ENOMEM; - } - - atomic_set(&adapter->irq_sem, 1); - spin_lock_init(&adapter->mdio_lock); - spin_lock_init(&adapter->tx_lock); - - set_bit(__AT_DOWN, &adapter->flags); - - return 0; -} - -/* - * atl1e_clean_tx_ring - Free Tx-skb - * @adapter: board private structure - */ -static void atl1e_clean_tx_ring(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *) - &adapter->tx_ring; - struct atl1e_tx_buffer *tx_buffer = NULL; - struct pci_dev *pdev = adapter->pdev; - u16 index, ring_count; - - if (tx_ring->desc == NULL || tx_ring->tx_buffer == NULL) - return; - - ring_count = tx_ring->count; - /* first unmmap dma */ - for (index = 0; index < ring_count; index++) { - tx_buffer = &tx_ring->tx_buffer[index]; - if (tx_buffer->dma) { - if (tx_buffer->flags & ATL1E_TX_PCIMAP_SINGLE) - pci_unmap_single(pdev, tx_buffer->dma, - tx_buffer->length, PCI_DMA_TODEVICE); - else if (tx_buffer->flags & ATL1E_TX_PCIMAP_PAGE) - pci_unmap_page(pdev, tx_buffer->dma, - tx_buffer->length, PCI_DMA_TODEVICE); - tx_buffer->dma = 0; - } - } - /* second free skb */ - for (index = 0; index < ring_count; index++) { - tx_buffer = &tx_ring->tx_buffer[index]; - if (tx_buffer->skb) { - dev_kfree_skb_any(tx_buffer->skb); - tx_buffer->skb = NULL; - } - } - /* Zero out Tx-buffers */ - memset(tx_ring->desc, 0, sizeof(struct atl1e_tpd_desc) * - ring_count); - memset(tx_ring->tx_buffer, 0, sizeof(struct atl1e_tx_buffer) * - ring_count); -} - -/* - * atl1e_clean_rx_ring - Free rx-reservation skbs - * @adapter: board private structure - */ -static void atl1e_clean_rx_ring(struct atl1e_adapter *adapter) -{ - struct atl1e_rx_ring *rx_ring = - (struct atl1e_rx_ring *)&adapter->rx_ring; - struct atl1e_rx_page_desc *rx_page_desc = rx_ring->rx_page_desc; - u16 i, j; - - - if (adapter->ring_vir_addr == NULL) - return; - /* Zero out the descriptor ring */ - for (i = 0; i < adapter->num_rx_queues; i++) { - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - if (rx_page_desc[i].rx_page[j].addr != NULL) { - memset(rx_page_desc[i].rx_page[j].addr, 0, - rx_ring->real_page_size); - } - } - } -} - -static void atl1e_cal_ring_size(struct atl1e_adapter *adapter, u32 *ring_size) -{ - *ring_size = ((u32)(adapter->tx_ring.count * - sizeof(struct atl1e_tpd_desc) + 7 - /* tx ring, qword align */ - + adapter->rx_ring.real_page_size * AT_PAGE_NUM_PER_QUEUE * - adapter->num_rx_queues + 31 - /* rx ring, 32 bytes align */ - + (1 + AT_PAGE_NUM_PER_QUEUE * adapter->num_rx_queues) * - sizeof(u32) + 3)); - /* tx, rx cmd, dword align */ -} - -static void atl1e_init_ring_resources(struct atl1e_adapter *adapter) -{ - struct atl1e_rx_ring *rx_ring = NULL; - - rx_ring = &adapter->rx_ring; - - rx_ring->real_page_size = adapter->rx_ring.page_size - + adapter->hw.max_frame_size - + ETH_HLEN + VLAN_HLEN - + ETH_FCS_LEN; - rx_ring->real_page_size = roundup(rx_ring->real_page_size, 32); - atl1e_cal_ring_size(adapter, &adapter->ring_size); - - adapter->ring_vir_addr = NULL; - adapter->rx_ring.desc = NULL; - rwlock_init(&adapter->tx_ring.tx_lock); -} - -/* - * Read / Write Ptr Initialize: - */ -static void atl1e_init_ring_ptrs(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = NULL; - struct atl1e_rx_ring *rx_ring = NULL; - struct atl1e_rx_page_desc *rx_page_desc = NULL; - int i, j; - - tx_ring = &adapter->tx_ring; - rx_ring = &adapter->rx_ring; - rx_page_desc = rx_ring->rx_page_desc; - - tx_ring->next_to_use = 0; - atomic_set(&tx_ring->next_to_clean, 0); - - for (i = 0; i < adapter->num_rx_queues; i++) { - rx_page_desc[i].rx_using = 0; - rx_page_desc[i].rx_nxseq = 0; - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - *rx_page_desc[i].rx_page[j].write_offset_addr = 0; - rx_page_desc[i].rx_page[j].read_offset = 0; - } - } -} - -/* - * atl1e_free_ring_resources - Free Tx / RX descriptor Resources - * @adapter: board private structure - * - * Free all transmit software resources - */ -static void atl1e_free_ring_resources(struct atl1e_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - - atl1e_clean_tx_ring(adapter); - atl1e_clean_rx_ring(adapter); - - if (adapter->ring_vir_addr) { - pci_free_consistent(pdev, adapter->ring_size, - adapter->ring_vir_addr, adapter->ring_dma); - adapter->ring_vir_addr = NULL; - } - - if (adapter->tx_ring.tx_buffer) { - kfree(adapter->tx_ring.tx_buffer); - adapter->tx_ring.tx_buffer = NULL; - } -} - -/* - * atl1e_setup_mem_resources - allocate Tx / RX descriptor resources - * @adapter: board private structure - * - * Return 0 on success, negative on failure - */ -static int atl1e_setup_ring_resources(struct atl1e_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - struct atl1e_tx_ring *tx_ring; - struct atl1e_rx_ring *rx_ring; - struct atl1e_rx_page_desc *rx_page_desc; - int size, i, j; - u32 offset = 0; - int err = 0; - - if (adapter->ring_vir_addr != NULL) - return 0; /* alloced already */ - - tx_ring = &adapter->tx_ring; - rx_ring = &adapter->rx_ring; - - /* real ring DMA buffer */ - - size = adapter->ring_size; - adapter->ring_vir_addr = pci_alloc_consistent(pdev, - adapter->ring_size, &adapter->ring_dma); - - if (adapter->ring_vir_addr == NULL) { - netdev_err(adapter->netdev, - "pci_alloc_consistent failed, size = D%d\n", size); - return -ENOMEM; - } - - memset(adapter->ring_vir_addr, 0, adapter->ring_size); - - rx_page_desc = rx_ring->rx_page_desc; - - /* Init TPD Ring */ - tx_ring->dma = roundup(adapter->ring_dma, 8); - offset = tx_ring->dma - adapter->ring_dma; - tx_ring->desc = adapter->ring_vir_addr + offset; - size = sizeof(struct atl1e_tx_buffer) * (tx_ring->count); - tx_ring->tx_buffer = kzalloc(size, GFP_KERNEL); - if (tx_ring->tx_buffer == NULL) { - netdev_err(adapter->netdev, "kzalloc failed, size = D%d\n", - size); - err = -ENOMEM; - goto failed; - } - - /* Init RXF-Pages */ - offset += (sizeof(struct atl1e_tpd_desc) * tx_ring->count); - offset = roundup(offset, 32); - - for (i = 0; i < adapter->num_rx_queues; i++) { - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - rx_page_desc[i].rx_page[j].dma = - adapter->ring_dma + offset; - rx_page_desc[i].rx_page[j].addr = - adapter->ring_vir_addr + offset; - offset += rx_ring->real_page_size; - } - } - - /* Init CMB dma address */ - tx_ring->cmb_dma = adapter->ring_dma + offset; - tx_ring->cmb = adapter->ring_vir_addr + offset; - offset += sizeof(u32); - - for (i = 0; i < adapter->num_rx_queues; i++) { - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - rx_page_desc[i].rx_page[j].write_offset_dma = - adapter->ring_dma + offset; - rx_page_desc[i].rx_page[j].write_offset_addr = - adapter->ring_vir_addr + offset; - offset += sizeof(u32); - } - } - - if (unlikely(offset > adapter->ring_size)) { - netdev_err(adapter->netdev, "offset(%d) > ring size(%d) !!\n", - offset, adapter->ring_size); - err = -1; - goto failed; - } - - return 0; -failed: - if (adapter->ring_vir_addr != NULL) { - pci_free_consistent(pdev, adapter->ring_size, - adapter->ring_vir_addr, adapter->ring_dma); - adapter->ring_vir_addr = NULL; - } - return err; -} - -static inline void atl1e_configure_des_ring(const struct atl1e_adapter *adapter) -{ - - struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw; - struct atl1e_rx_ring *rx_ring = - (struct atl1e_rx_ring *)&adapter->rx_ring; - struct atl1e_tx_ring *tx_ring = - (struct atl1e_tx_ring *)&adapter->tx_ring; - struct atl1e_rx_page_desc *rx_page_desc = NULL; - int i, j; - - AT_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI, - (u32)((adapter->ring_dma & AT_DMA_HI_ADDR_MASK) >> 32)); - AT_WRITE_REG(hw, REG_TPD_BASE_ADDR_LO, - (u32)((tx_ring->dma) & AT_DMA_LO_ADDR_MASK)); - AT_WRITE_REG(hw, REG_TPD_RING_SIZE, (u16)(tx_ring->count)); - AT_WRITE_REG(hw, REG_HOST_TX_CMB_LO, - (u32)((tx_ring->cmb_dma) & AT_DMA_LO_ADDR_MASK)); - - rx_page_desc = rx_ring->rx_page_desc; - /* RXF Page Physical address / Page Length */ - for (i = 0; i < AT_MAX_RECEIVE_QUEUE; i++) { - AT_WRITE_REG(hw, atl1e_rx_page_hi_addr_regs[i], - (u32)((adapter->ring_dma & - AT_DMA_HI_ADDR_MASK) >> 32)); - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - u32 page_phy_addr; - u32 offset_phy_addr; - - page_phy_addr = rx_page_desc[i].rx_page[j].dma; - offset_phy_addr = - rx_page_desc[i].rx_page[j].write_offset_dma; - - AT_WRITE_REG(hw, atl1e_rx_page_lo_addr_regs[i][j], - page_phy_addr & AT_DMA_LO_ADDR_MASK); - AT_WRITE_REG(hw, atl1e_rx_page_write_offset_regs[i][j], - offset_phy_addr & AT_DMA_LO_ADDR_MASK); - AT_WRITE_REGB(hw, atl1e_rx_page_vld_regs[i][j], 1); - } - } - /* Page Length */ - AT_WRITE_REG(hw, REG_HOST_RXFPAGE_SIZE, rx_ring->page_size); - /* Load all of base address above */ - AT_WRITE_REG(hw, REG_LOAD_PTR, 1); -} - -static inline void atl1e_configure_tx(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw; - u32 dev_ctrl_data = 0; - u32 max_pay_load = 0; - u32 jumbo_thresh = 0; - u32 extra_size = 0; /* Jumbo frame threshold in QWORD unit */ - - /* configure TXQ param */ - if (hw->nic_type != athr_l2e_revB) { - extra_size = ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN; - if (hw->max_frame_size <= 1500) { - jumbo_thresh = hw->max_frame_size + extra_size; - } else if (hw->max_frame_size < 6*1024) { - jumbo_thresh = - (hw->max_frame_size + extra_size) * 2 / 3; - } else { - jumbo_thresh = (hw->max_frame_size + extra_size) / 2; - } - AT_WRITE_REG(hw, REG_TX_EARLY_TH, (jumbo_thresh + 7) >> 3); - } - - dev_ctrl_data = AT_READ_REG(hw, REG_DEVICE_CTRL); - - max_pay_load = ((dev_ctrl_data >> DEVICE_CTRL_MAX_PAYLOAD_SHIFT)) & - DEVICE_CTRL_MAX_PAYLOAD_MASK; - - hw->dmaw_block = min_t(u32, max_pay_load, hw->dmaw_block); - - max_pay_load = ((dev_ctrl_data >> DEVICE_CTRL_MAX_RREQ_SZ_SHIFT)) & - DEVICE_CTRL_MAX_RREQ_SZ_MASK; - hw->dmar_block = min_t(u32, max_pay_load, hw->dmar_block); - - if (hw->nic_type != athr_l2e_revB) - AT_WRITE_REGW(hw, REG_TXQ_CTRL + 2, - atl1e_pay_load_size[hw->dmar_block]); - /* enable TXQ */ - AT_WRITE_REGW(hw, REG_TXQ_CTRL, - (((u16)hw->tpd_burst & TXQ_CTRL_NUM_TPD_BURST_MASK) - << TXQ_CTRL_NUM_TPD_BURST_SHIFT) - | TXQ_CTRL_ENH_MODE | TXQ_CTRL_EN); -} - -static inline void atl1e_configure_rx(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw; - u32 rxf_len = 0; - u32 rxf_low = 0; - u32 rxf_high = 0; - u32 rxf_thresh_data = 0; - u32 rxq_ctrl_data = 0; - - if (hw->nic_type != athr_l2e_revB) { - AT_WRITE_REGW(hw, REG_RXQ_JMBOSZ_RRDTIM, - (u16)((hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK) << - RXQ_JMBOSZ_TH_SHIFT | - (1 & RXQ_JMBO_LKAH_MASK) << - RXQ_JMBO_LKAH_SHIFT)); - - rxf_len = AT_READ_REG(hw, REG_SRAM_RXF_LEN); - rxf_high = rxf_len * 4 / 5; - rxf_low = rxf_len / 5; - rxf_thresh_data = ((rxf_high & RXQ_RXF_PAUSE_TH_HI_MASK) - << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((rxf_low & RXQ_RXF_PAUSE_TH_LO_MASK) - << RXQ_RXF_PAUSE_TH_LO_SHIFT); - - AT_WRITE_REG(hw, REG_RXQ_RXF_PAUSE_THRESH, rxf_thresh_data); - } - - /* RRS */ - AT_WRITE_REG(hw, REG_IDT_TABLE, hw->indirect_tab); - AT_WRITE_REG(hw, REG_BASE_CPU_NUMBER, hw->base_cpu); - - if (hw->rrs_type & atl1e_rrs_ipv4) - rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV4; - - if (hw->rrs_type & atl1e_rrs_ipv4_tcp) - rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV4_TCP; - - if (hw->rrs_type & atl1e_rrs_ipv6) - rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV6; - - if (hw->rrs_type & atl1e_rrs_ipv6_tcp) - rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV6_TCP; - - if (hw->rrs_type != atl1e_rrs_disable) - rxq_ctrl_data |= - (RXQ_CTRL_HASH_ENABLE | RXQ_CTRL_RSS_MODE_MQUESINT); - - rxq_ctrl_data |= RXQ_CTRL_IPV6_XSUM_VERIFY_EN | RXQ_CTRL_PBA_ALIGN_32 | - RXQ_CTRL_CUT_THRU_EN | RXQ_CTRL_EN; - - AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data); -} - -static inline void atl1e_configure_dma(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = &adapter->hw; - u32 dma_ctrl_data = 0; - - dma_ctrl_data = DMA_CTRL_RXCMB_EN; - dma_ctrl_data |= (((u32)hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) - << DMA_CTRL_DMAR_BURST_LEN_SHIFT; - dma_ctrl_data |= (((u32)hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK) - << DMA_CTRL_DMAW_BURST_LEN_SHIFT; - dma_ctrl_data |= DMA_CTRL_DMAR_REQ_PRI | DMA_CTRL_DMAR_OUT_ORDER; - dma_ctrl_data |= (((u32)hw->dmar_dly_cnt) & DMA_CTRL_DMAR_DLY_CNT_MASK) - << DMA_CTRL_DMAR_DLY_CNT_SHIFT; - dma_ctrl_data |= (((u32)hw->dmaw_dly_cnt) & DMA_CTRL_DMAW_DLY_CNT_MASK) - << DMA_CTRL_DMAW_DLY_CNT_SHIFT; - - AT_WRITE_REG(hw, REG_DMA_CTRL, dma_ctrl_data); -} - -static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter) -{ - u32 value; - struct atl1e_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - - /* Config MAC CTRL Register */ - value = MAC_CTRL_TX_EN | - MAC_CTRL_RX_EN ; - - if (FULL_DUPLEX == adapter->link_duplex) - value |= MAC_CTRL_DUPLX; - - value |= ((u32)((SPEED_1000 == adapter->link_speed) ? - MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) << - MAC_CTRL_SPEED_SHIFT); - value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); - - value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); - value |= (((u32)adapter->hw.preamble_len & - MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); - - __atl1e_vlan_mode(netdev->features, &value); - - value |= MAC_CTRL_BC_EN; - if (netdev->flags & IFF_PROMISC) - value |= MAC_CTRL_PROMIS_EN; - if (netdev->flags & IFF_ALLMULTI) - value |= MAC_CTRL_MC_ALL_EN; - - AT_WRITE_REG(hw, REG_MAC_CTRL, value); -} - -/* - * atl1e_configure - Configure Transmit&Receive Unit after Reset - * @adapter: board private structure - * - * Configure the Tx /Rx unit of the MAC after a reset. - */ -static int atl1e_configure(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = &adapter->hw; - - u32 intr_status_data = 0; - - /* clear interrupt status */ - AT_WRITE_REG(hw, REG_ISR, ~0); - - /* 1. set MAC Address */ - atl1e_hw_set_mac_addr(hw); - - /* 2. Init the Multicast HASH table done by set_muti */ - - /* 3. Clear any WOL status */ - AT_WRITE_REG(hw, REG_WOL_CTRL, 0); - - /* 4. Descripter Ring BaseMem/Length/Read ptr/Write ptr - * TPD Ring/SMB/RXF0 Page CMBs, they use the same - * High 32bits memory */ - atl1e_configure_des_ring(adapter); - - /* 5. set Interrupt Moderator Timer */ - AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, hw->imt); - AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER2_INIT, hw->imt); - AT_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_LED_MODE | - MASTER_CTRL_ITIMER_EN | MASTER_CTRL_ITIMER2_EN); - - /* 6. rx/tx threshold to trig interrupt */ - AT_WRITE_REGW(hw, REG_TRIG_RRD_THRESH, hw->rrd_thresh); - AT_WRITE_REGW(hw, REG_TRIG_TPD_THRESH, hw->tpd_thresh); - AT_WRITE_REGW(hw, REG_TRIG_RXTIMER, hw->rx_count_down); - AT_WRITE_REGW(hw, REG_TRIG_TXTIMER, hw->tx_count_down); - - /* 7. set Interrupt Clear Timer */ - AT_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, hw->ict); - - /* 8. set MTU */ - AT_WRITE_REG(hw, REG_MTU, hw->max_frame_size + ETH_HLEN + - VLAN_HLEN + ETH_FCS_LEN); - - /* 9. config TXQ early tx threshold */ - atl1e_configure_tx(adapter); - - /* 10. config RXQ */ - atl1e_configure_rx(adapter); - - /* 11. config DMA Engine */ - atl1e_configure_dma(adapter); - - /* 12. smb timer to trig interrupt */ - AT_WRITE_REG(hw, REG_SMB_STAT_TIMER, hw->smb_timer); - - intr_status_data = AT_READ_REG(hw, REG_ISR); - if (unlikely((intr_status_data & ISR_PHY_LINKDOWN) != 0)) { - netdev_err(adapter->netdev, - "atl1e_configure failed, PCIE phy link down\n"); - return -1; - } - - AT_WRITE_REG(hw, REG_ISR, 0x7fffffff); - return 0; -} - -/* - * atl1e_get_stats - Get System Network Statistics - * @netdev: network interface device structure - * - * Returns the address of the device statistics structure. - * The statistics are actually updated from the timer callback. - */ -static struct net_device_stats *atl1e_get_stats(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw_stats *hw_stats = &adapter->hw_stats; - struct net_device_stats *net_stats = &netdev->stats; - - net_stats->rx_packets = hw_stats->rx_ok; - net_stats->tx_packets = hw_stats->tx_ok; - net_stats->rx_bytes = hw_stats->rx_byte_cnt; - net_stats->tx_bytes = hw_stats->tx_byte_cnt; - net_stats->multicast = hw_stats->rx_mcast; - net_stats->collisions = hw_stats->tx_1_col + - hw_stats->tx_2_col * 2 + - hw_stats->tx_late_col + hw_stats->tx_abort_col; - - net_stats->rx_errors = hw_stats->rx_frag + hw_stats->rx_fcs_err + - hw_stats->rx_len_err + hw_stats->rx_sz_ov + - hw_stats->rx_rrd_ov + hw_stats->rx_align_err; - net_stats->rx_fifo_errors = hw_stats->rx_rxf_ov; - net_stats->rx_length_errors = hw_stats->rx_len_err; - net_stats->rx_crc_errors = hw_stats->rx_fcs_err; - net_stats->rx_frame_errors = hw_stats->rx_align_err; - net_stats->rx_over_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; - - net_stats->rx_missed_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; - - net_stats->tx_errors = hw_stats->tx_late_col + hw_stats->tx_abort_col + - hw_stats->tx_underrun + hw_stats->tx_trunc; - net_stats->tx_fifo_errors = hw_stats->tx_underrun; - net_stats->tx_aborted_errors = hw_stats->tx_abort_col; - net_stats->tx_window_errors = hw_stats->tx_late_col; - - return net_stats; -} - -static void atl1e_update_hw_stats(struct atl1e_adapter *adapter) -{ - u16 hw_reg_addr = 0; - unsigned long *stats_item = NULL; - - /* update rx status */ - hw_reg_addr = REG_MAC_RX_STATUS_BIN; - stats_item = &adapter->hw_stats.rx_ok; - while (hw_reg_addr <= REG_MAC_RX_STATUS_END) { - *stats_item += AT_READ_REG(&adapter->hw, hw_reg_addr); - stats_item++; - hw_reg_addr += 4; - } - /* update tx status */ - hw_reg_addr = REG_MAC_TX_STATUS_BIN; - stats_item = &adapter->hw_stats.tx_ok; - while (hw_reg_addr <= REG_MAC_TX_STATUS_END) { - *stats_item += AT_READ_REG(&adapter->hw, hw_reg_addr); - stats_item++; - hw_reg_addr += 4; - } -} - -static inline void atl1e_clear_phy_int(struct atl1e_adapter *adapter) -{ - u16 phy_data; - - spin_lock(&adapter->mdio_lock); - atl1e_read_phy_reg(&adapter->hw, MII_INT_STATUS, &phy_data); - spin_unlock(&adapter->mdio_lock); -} - -static bool atl1e_clean_tx_irq(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *) - &adapter->tx_ring; - struct atl1e_tx_buffer *tx_buffer = NULL; - u16 hw_next_to_clean = AT_READ_REGW(&adapter->hw, REG_TPD_CONS_IDX); - u16 next_to_clean = atomic_read(&tx_ring->next_to_clean); - - while (next_to_clean != hw_next_to_clean) { - tx_buffer = &tx_ring->tx_buffer[next_to_clean]; - if (tx_buffer->dma) { - if (tx_buffer->flags & ATL1E_TX_PCIMAP_SINGLE) - pci_unmap_single(adapter->pdev, tx_buffer->dma, - tx_buffer->length, PCI_DMA_TODEVICE); - else if (tx_buffer->flags & ATL1E_TX_PCIMAP_PAGE) - pci_unmap_page(adapter->pdev, tx_buffer->dma, - tx_buffer->length, PCI_DMA_TODEVICE); - tx_buffer->dma = 0; - } - - if (tx_buffer->skb) { - dev_kfree_skb_irq(tx_buffer->skb); - tx_buffer->skb = NULL; - } - - if (++next_to_clean == tx_ring->count) - next_to_clean = 0; - } - - atomic_set(&tx_ring->next_to_clean, next_to_clean); - - if (netif_queue_stopped(adapter->netdev) && - netif_carrier_ok(adapter->netdev)) { - netif_wake_queue(adapter->netdev); - } - - return true; -} - -/* - * atl1e_intr - Interrupt Handler - * @irq: interrupt number - * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure - */ -static irqreturn_t atl1e_intr(int irq, void *data) -{ - struct net_device *netdev = data; - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - int max_ints = AT_MAX_INT_WORK; - int handled = IRQ_NONE; - u32 status; - - do { - status = AT_READ_REG(hw, REG_ISR); - if ((status & IMR_NORMAL_MASK) == 0 || - (status & ISR_DIS_INT) != 0) { - if (max_ints != AT_MAX_INT_WORK) - handled = IRQ_HANDLED; - break; - } - /* link event */ - if (status & ISR_GPHY) - atl1e_clear_phy_int(adapter); - /* Ack ISR */ - AT_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); - - handled = IRQ_HANDLED; - /* check if PCIE PHY Link down */ - if (status & ISR_PHY_LINKDOWN) { - netdev_err(adapter->netdev, - "pcie phy linkdown %x\n", status); - if (netif_running(adapter->netdev)) { - /* reset MAC */ - atl1e_irq_reset(adapter); - schedule_work(&adapter->reset_task); - break; - } - } - - /* check if DMA read/write error */ - if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { - netdev_err(adapter->netdev, - "PCIE DMA RW error (status = 0x%x)\n", - status); - atl1e_irq_reset(adapter); - schedule_work(&adapter->reset_task); - break; - } - - if (status & ISR_SMB) - atl1e_update_hw_stats(adapter); - - /* link event */ - if (status & (ISR_GPHY | ISR_MANUAL)) { - netdev->stats.tx_carrier_errors++; - atl1e_link_chg_event(adapter); - break; - } - - /* transmit event */ - if (status & ISR_TX_EVENT) - atl1e_clean_tx_irq(adapter); - - if (status & ISR_RX_EVENT) { - /* - * disable rx interrupts, without - * the synchronize_irq bit - */ - AT_WRITE_REG(hw, REG_IMR, - IMR_NORMAL_MASK & ~ISR_RX_EVENT); - AT_WRITE_FLUSH(hw); - if (likely(napi_schedule_prep( - &adapter->napi))) - __napi_schedule(&adapter->napi); - } - } while (--max_ints > 0); - /* re-enable Interrupt*/ - AT_WRITE_REG(&adapter->hw, REG_ISR, 0); - - return handled; -} - -static inline void atl1e_rx_checksum(struct atl1e_adapter *adapter, - struct sk_buff *skb, struct atl1e_recv_ret_status *prrs) -{ - u8 *packet = (u8 *)(prrs + 1); - struct iphdr *iph; - u16 head_len = ETH_HLEN; - u16 pkt_flags; - u16 err_flags; - - skb_checksum_none_assert(skb); - pkt_flags = prrs->pkt_flag; - err_flags = prrs->err_flag; - if (((pkt_flags & RRS_IS_IPV4) || (pkt_flags & RRS_IS_IPV6)) && - ((pkt_flags & RRS_IS_TCP) || (pkt_flags & RRS_IS_UDP))) { - if (pkt_flags & RRS_IS_IPV4) { - if (pkt_flags & RRS_IS_802_3) - head_len += 8; - iph = (struct iphdr *) (packet + head_len); - if (iph->frag_off != 0 && !(pkt_flags & RRS_IS_IP_DF)) - goto hw_xsum; - } - if (!(err_flags & (RRS_ERR_IP_CSUM | RRS_ERR_L4_CSUM))) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - return; - } - } - -hw_xsum : - return; -} - -static struct atl1e_rx_page *atl1e_get_rx_page(struct atl1e_adapter *adapter, - u8 que) -{ - struct atl1e_rx_page_desc *rx_page_desc = - (struct atl1e_rx_page_desc *) adapter->rx_ring.rx_page_desc; - u8 rx_using = rx_page_desc[que].rx_using; - - return (struct atl1e_rx_page *)&(rx_page_desc[que].rx_page[rx_using]); -} - -static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que, - int *work_done, int work_to_do) -{ - struct net_device *netdev = adapter->netdev; - struct atl1e_rx_ring *rx_ring = (struct atl1e_rx_ring *) - &adapter->rx_ring; - struct atl1e_rx_page_desc *rx_page_desc = - (struct atl1e_rx_page_desc *) rx_ring->rx_page_desc; - struct sk_buff *skb = NULL; - struct atl1e_rx_page *rx_page = atl1e_get_rx_page(adapter, que); - u32 packet_size, write_offset; - struct atl1e_recv_ret_status *prrs; - - write_offset = *(rx_page->write_offset_addr); - if (likely(rx_page->read_offset < write_offset)) { - do { - if (*work_done >= work_to_do) - break; - (*work_done)++; - /* get new packet's rrs */ - prrs = (struct atl1e_recv_ret_status *) (rx_page->addr + - rx_page->read_offset); - /* check sequence number */ - if (prrs->seq_num != rx_page_desc[que].rx_nxseq) { - netdev_err(netdev, - "rx sequence number error (rx=%d) (expect=%d)\n", - prrs->seq_num, - rx_page_desc[que].rx_nxseq); - rx_page_desc[que].rx_nxseq++; - /* just for debug use */ - AT_WRITE_REG(&adapter->hw, REG_DEBUG_DATA0, - (((u32)prrs->seq_num) << 16) | - rx_page_desc[que].rx_nxseq); - goto fatal_err; - } - rx_page_desc[que].rx_nxseq++; - - /* error packet */ - if (prrs->pkt_flag & RRS_IS_ERR_FRAME) { - if (prrs->err_flag & (RRS_ERR_BAD_CRC | - RRS_ERR_DRIBBLE | RRS_ERR_CODE | - RRS_ERR_TRUNC)) { - /* hardware error, discard this packet*/ - netdev_err(netdev, - "rx packet desc error %x\n", - *((u32 *)prrs + 1)); - goto skip_pkt; - } - } - - packet_size = ((prrs->word1 >> RRS_PKT_SIZE_SHIFT) & - RRS_PKT_SIZE_MASK) - 4; /* CRC */ - skb = netdev_alloc_skb_ip_align(netdev, packet_size); - if (skb == NULL) { - netdev_warn(netdev, - "Memory squeeze, deferring packet\n"); - goto skip_pkt; - } - memcpy(skb->data, (u8 *)(prrs + 1), packet_size); - skb_put(skb, packet_size); - skb->protocol = eth_type_trans(skb, netdev); - atl1e_rx_checksum(adapter, skb, prrs); - - if (prrs->pkt_flag & RRS_IS_VLAN_TAG) { - u16 vlan_tag = (prrs->vtag >> 4) | - ((prrs->vtag & 7) << 13) | - ((prrs->vtag & 8) << 9); - netdev_dbg(netdev, - "RXD VLAN TAG<RRD>=0x%04x\n", - prrs->vtag); - __vlan_hwaccel_put_tag(skb, vlan_tag); - } - netif_receive_skb(skb); - -skip_pkt: - /* skip current packet whether it's ok or not. */ - rx_page->read_offset += - (((u32)((prrs->word1 >> RRS_PKT_SIZE_SHIFT) & - RRS_PKT_SIZE_MASK) + - sizeof(struct atl1e_recv_ret_status) + 31) & - 0xFFFFFFE0); - - if (rx_page->read_offset >= rx_ring->page_size) { - /* mark this page clean */ - u16 reg_addr; - u8 rx_using; - - rx_page->read_offset = - *(rx_page->write_offset_addr) = 0; - rx_using = rx_page_desc[que].rx_using; - reg_addr = - atl1e_rx_page_vld_regs[que][rx_using]; - AT_WRITE_REGB(&adapter->hw, reg_addr, 1); - rx_page_desc[que].rx_using ^= 1; - rx_page = atl1e_get_rx_page(adapter, que); - } - write_offset = *(rx_page->write_offset_addr); - } while (rx_page->read_offset < write_offset); - } - - return; - -fatal_err: - if (!test_bit(__AT_DOWN, &adapter->flags)) - schedule_work(&adapter->reset_task); -} - -/* - * atl1e_clean - NAPI Rx polling callback - * @adapter: board private structure - */ -static int atl1e_clean(struct napi_struct *napi, int budget) -{ - struct atl1e_adapter *adapter = - container_of(napi, struct atl1e_adapter, napi); - u32 imr_data; - int work_done = 0; - - /* Keep link state information with original netdev */ - if (!netif_carrier_ok(adapter->netdev)) - goto quit_polling; - - atl1e_clean_rx_irq(adapter, 0, &work_done, budget); - - /* If no Tx and not enough Rx work done, exit the polling mode */ - if (work_done < budget) { -quit_polling: - napi_complete(napi); - imr_data = AT_READ_REG(&adapter->hw, REG_IMR); - AT_WRITE_REG(&adapter->hw, REG_IMR, imr_data | ISR_RX_EVENT); - /* test debug */ - if (test_bit(__AT_DOWN, &adapter->flags)) { - atomic_dec(&adapter->irq_sem); - netdev_err(adapter->netdev, - "atl1e_clean is called when AT_DOWN\n"); - } - /* reenable RX intr */ - /*atl1e_irq_enable(adapter); */ - - } - return work_done; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER - -/* - * Polling 'interrupt' - used by things like netconsole to send skbs - * without having to re-enable interrupts. It's not called while - * the interrupt routine is executing. - */ -static void atl1e_netpoll(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - disable_irq(adapter->pdev->irq); - atl1e_intr(adapter->pdev->irq, netdev); - enable_irq(adapter->pdev->irq); -} -#endif - -static inline u16 atl1e_tpd_avail(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; - u16 next_to_use = 0; - u16 next_to_clean = 0; - - next_to_clean = atomic_read(&tx_ring->next_to_clean); - next_to_use = tx_ring->next_to_use; - - return (u16)(next_to_clean > next_to_use) ? - (next_to_clean - next_to_use - 1) : - (tx_ring->count + next_to_clean - next_to_use - 1); -} - -/* - * get next usable tpd - * Note: should call atl1e_tdp_avail to make sure - * there is enough tpd to use - */ -static struct atl1e_tpd_desc *atl1e_get_tpd(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; - u16 next_to_use = 0; - - next_to_use = tx_ring->next_to_use; - if (++tx_ring->next_to_use == tx_ring->count) - tx_ring->next_to_use = 0; - - memset(&tx_ring->desc[next_to_use], 0, sizeof(struct atl1e_tpd_desc)); - return (struct atl1e_tpd_desc *)&tx_ring->desc[next_to_use]; -} - -static struct atl1e_tx_buffer * -atl1e_get_tx_buffer(struct atl1e_adapter *adapter, struct atl1e_tpd_desc *tpd) -{ - struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; - - return &tx_ring->tx_buffer[tpd - tx_ring->desc]; -} - -/* Calculate the transmit packet descript needed*/ -static u16 atl1e_cal_tdp_req(const struct sk_buff *skb) -{ - int i = 0; - u16 tpd_req = 1; - u16 fg_size = 0; - u16 proto_hdr_len = 0; - - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - fg_size = skb_shinfo(skb)->frags[i].size; - tpd_req += ((fg_size + MAX_TX_BUF_LEN - 1) >> MAX_TX_BUF_SHIFT); - } - - if (skb_is_gso(skb)) { - if (skb->protocol == htons(ETH_P_IP) || - (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6)) { - proto_hdr_len = skb_transport_offset(skb) + - tcp_hdrlen(skb); - if (proto_hdr_len < skb_headlen(skb)) { - tpd_req += ((skb_headlen(skb) - proto_hdr_len + - MAX_TX_BUF_LEN - 1) >> - MAX_TX_BUF_SHIFT); - } - } - - } - return tpd_req; -} - -static int atl1e_tso_csum(struct atl1e_adapter *adapter, - struct sk_buff *skb, struct atl1e_tpd_desc *tpd) -{ - u8 hdr_len; - u32 real_len; - unsigned short offload_type; - int err; - - if (skb_is_gso(skb)) { - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (unlikely(err)) - return -1; - } - offload_type = skb_shinfo(skb)->gso_type; - - if (offload_type & SKB_GSO_TCPV4) { - real_len = (((unsigned char *)ip_hdr(skb) - skb->data) - + ntohs(ip_hdr(skb)->tot_len)); - - if (real_len < skb->len) - pskb_trim(skb, real_len); - - hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); - if (unlikely(skb->len == hdr_len)) { - /* only xsum need */ - netdev_warn(adapter->netdev, - "IPV4 tso with zero data??\n"); - goto check_sum; - } else { - ip_hdr(skb)->check = 0; - ip_hdr(skb)->tot_len = 0; - tcp_hdr(skb)->check = ~csum_tcpudp_magic( - ip_hdr(skb)->saddr, - ip_hdr(skb)->daddr, - 0, IPPROTO_TCP, 0); - tpd->word3 |= (ip_hdr(skb)->ihl & - TDP_V4_IPHL_MASK) << - TPD_V4_IPHL_SHIFT; - tpd->word3 |= ((tcp_hdrlen(skb) >> 2) & - TPD_TCPHDRLEN_MASK) << - TPD_TCPHDRLEN_SHIFT; - tpd->word3 |= ((skb_shinfo(skb)->gso_size) & - TPD_MSS_MASK) << TPD_MSS_SHIFT; - tpd->word3 |= 1 << TPD_SEGMENT_EN_SHIFT; - } - return 0; - } - } - -check_sum: - if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { - u8 css, cso; - - cso = skb_checksum_start_offset(skb); - if (unlikely(cso & 0x1)) { - netdev_err(adapter->netdev, - "payload offset should not ant event number\n"); - return -1; - } else { - css = cso + skb->csum_offset; - tpd->word3 |= (cso & TPD_PLOADOFFSET_MASK) << - TPD_PLOADOFFSET_SHIFT; - tpd->word3 |= (css & TPD_CCSUMOFFSET_MASK) << - TPD_CCSUMOFFSET_SHIFT; - tpd->word3 |= 1 << TPD_CC_SEGMENT_EN_SHIFT; - } - } - - return 0; -} - -static void atl1e_tx_map(struct atl1e_adapter *adapter, - struct sk_buff *skb, struct atl1e_tpd_desc *tpd) -{ - struct atl1e_tpd_desc *use_tpd = NULL; - struct atl1e_tx_buffer *tx_buffer = NULL; - u16 buf_len = skb_headlen(skb); - u16 map_len = 0; - u16 mapped_len = 0; - u16 hdr_len = 0; - u16 nr_frags; - u16 f; - int segment; - - nr_frags = skb_shinfo(skb)->nr_frags; - segment = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK; - if (segment) { - /* TSO */ - map_len = hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); - use_tpd = tpd; - - tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd); - tx_buffer->length = map_len; - tx_buffer->dma = pci_map_single(adapter->pdev, - skb->data, hdr_len, PCI_DMA_TODEVICE); - ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE); - mapped_len += map_len; - use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma); - use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) | - ((cpu_to_le32(tx_buffer->length) & - TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT); - } - - while (mapped_len < buf_len) { - /* mapped_len == 0, means we should use the first tpd, - which is given by caller */ - if (mapped_len == 0) { - use_tpd = tpd; - } else { - use_tpd = atl1e_get_tpd(adapter); - memcpy(use_tpd, tpd, sizeof(struct atl1e_tpd_desc)); - } - tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd); - tx_buffer->skb = NULL; - - tx_buffer->length = map_len = - ((buf_len - mapped_len) >= MAX_TX_BUF_LEN) ? - MAX_TX_BUF_LEN : (buf_len - mapped_len); - tx_buffer->dma = - pci_map_single(adapter->pdev, skb->data + mapped_len, - map_len, PCI_DMA_TODEVICE); - ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE); - mapped_len += map_len; - use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma); - use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) | - ((cpu_to_le32(tx_buffer->length) & - TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT); - } - - for (f = 0; f < nr_frags; f++) { - struct skb_frag_struct *frag; - u16 i; - u16 seg_num; - - frag = &skb_shinfo(skb)->frags[f]; - buf_len = frag->size; - - seg_num = (buf_len + MAX_TX_BUF_LEN - 1) / MAX_TX_BUF_LEN; - for (i = 0; i < seg_num; i++) { - use_tpd = atl1e_get_tpd(adapter); - memcpy(use_tpd, tpd, sizeof(struct atl1e_tpd_desc)); - - tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd); - BUG_ON(tx_buffer->skb); - - tx_buffer->skb = NULL; - tx_buffer->length = - (buf_len > MAX_TX_BUF_LEN) ? - MAX_TX_BUF_LEN : buf_len; - buf_len -= tx_buffer->length; - - tx_buffer->dma = - pci_map_page(adapter->pdev, frag->page, - frag->page_offset + - (i * MAX_TX_BUF_LEN), - tx_buffer->length, - PCI_DMA_TODEVICE); - ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_PAGE); - use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma); - use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) | - ((cpu_to_le32(tx_buffer->length) & - TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT); - } - } - - if ((tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK) - /* note this one is a tcp header */ - tpd->word3 |= 1 << TPD_HDRFLAG_SHIFT; - /* The last tpd */ - - use_tpd->word3 |= 1 << TPD_EOP_SHIFT; - /* The last buffer info contain the skb address, - so it will be free after unmap */ - tx_buffer->skb = skb; -} - -static void atl1e_tx_queue(struct atl1e_adapter *adapter, u16 count, - struct atl1e_tpd_desc *tpd) -{ - struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; - /* 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(); - AT_WRITE_REG(&adapter->hw, REG_MB_TPD_PROD_IDX, tx_ring->next_to_use); -} - -static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb, - struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - unsigned long flags; - u16 tpd_req = 1; - struct atl1e_tpd_desc *tpd; - - if (test_bit(__AT_DOWN, &adapter->flags)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if (unlikely(skb->len <= 0)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - tpd_req = atl1e_cal_tdp_req(skb); - if (!spin_trylock_irqsave(&adapter->tx_lock, flags)) - return NETDEV_TX_LOCKED; - - if (atl1e_tpd_avail(adapter) < tpd_req) { - /* no enough descriptor, just stop queue */ - netif_stop_queue(netdev); - spin_unlock_irqrestore(&adapter->tx_lock, flags); - return NETDEV_TX_BUSY; - } - - tpd = atl1e_get_tpd(adapter); - - if (vlan_tx_tag_present(skb)) { - u16 vlan_tag = vlan_tx_tag_get(skb); - u16 atl1e_vlan_tag; - - tpd->word3 |= 1 << TPD_INS_VL_TAG_SHIFT; - AT_VLAN_TAG_TO_TPD_TAG(vlan_tag, atl1e_vlan_tag); - tpd->word2 |= (atl1e_vlan_tag & TPD_VLANTAG_MASK) << - TPD_VLAN_SHIFT; - } - - if (skb->protocol == htons(ETH_P_8021Q)) - tpd->word3 |= 1 << TPD_VL_TAGGED_SHIFT; - - if (skb_network_offset(skb) != ETH_HLEN) - tpd->word3 |= 1 << TPD_ETHTYPE_SHIFT; /* 802.3 frame */ - - /* do TSO and check sum */ - if (atl1e_tso_csum(adapter, skb, tpd) != 0) { - spin_unlock_irqrestore(&adapter->tx_lock, flags); - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - atl1e_tx_map(adapter, skb, tpd); - atl1e_tx_queue(adapter, tpd_req, tpd); - - netdev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */ - spin_unlock_irqrestore(&adapter->tx_lock, flags); - return NETDEV_TX_OK; -} - -static void atl1e_free_irq(struct atl1e_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - free_irq(adapter->pdev->irq, netdev); - - if (adapter->have_msi) - pci_disable_msi(adapter->pdev); -} - -static int atl1e_request_irq(struct atl1e_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - struct net_device *netdev = adapter->netdev; - int flags = 0; - int err = 0; - - adapter->have_msi = true; - err = pci_enable_msi(adapter->pdev); - if (err) { - netdev_dbg(adapter->netdev, - "Unable to allocate MSI interrupt Error: %d\n", err); - adapter->have_msi = false; - } else - netdev->irq = pdev->irq; - - - if (!adapter->have_msi) - flags |= IRQF_SHARED; - err = request_irq(adapter->pdev->irq, atl1e_intr, flags, - netdev->name, netdev); - if (err) { - netdev_dbg(adapter->netdev, - "Unable to allocate interrupt Error: %d\n", err); - if (adapter->have_msi) - pci_disable_msi(adapter->pdev); - return err; - } - netdev_dbg(adapter->netdev, "atl1e_request_irq OK\n"); - return err; -} - -int atl1e_up(struct atl1e_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int err = 0; - u32 val; - - /* hardware has been reset, we need to reload some things */ - err = atl1e_init_hw(&adapter->hw); - if (err) { - err = -EIO; - return err; - } - atl1e_init_ring_ptrs(adapter); - atl1e_set_multi(netdev); - atl1e_restore_vlan(adapter); - - if (atl1e_configure(adapter)) { - err = -EIO; - goto err_up; - } - - clear_bit(__AT_DOWN, &adapter->flags); - napi_enable(&adapter->napi); - atl1e_irq_enable(adapter); - val = AT_READ_REG(&adapter->hw, REG_MASTER_CTRL); - AT_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, - val | MASTER_CTRL_MANUAL_INT); - -err_up: - return err; -} - -void atl1e_down(struct atl1e_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - /* signal that we're down so the interrupt handler does not - * reschedule our watchdog timer */ - set_bit(__AT_DOWN, &adapter->flags); - - netif_stop_queue(netdev); - - /* reset MAC to disable all RX/TX */ - atl1e_reset_hw(&adapter->hw); - msleep(1); - - napi_disable(&adapter->napi); - atl1e_del_timer(adapter); - atl1e_irq_disable(adapter); - - netif_carrier_off(netdev); - adapter->link_speed = SPEED_0; - adapter->link_duplex = -1; - atl1e_clean_tx_ring(adapter); - atl1e_clean_rx_ring(adapter); -} - -/* - * atl1e_open - Called when a network interface is made active - * @netdev: network interface device structure - * - * Returns 0 on success, negative value on failure - * - * The open entry point is called when a network interface is made - * active by the system (IFF_UP). At this point all resources needed - * for transmit and receive operations are allocated, the interrupt - * handler is registered with the OS, the watchdog timer is started, - * and the stack is notified that the interface is ready. - */ -static int atl1e_open(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - int err; - - /* disallow open during test */ - if (test_bit(__AT_TESTING, &adapter->flags)) - return -EBUSY; - - /* allocate rx/tx dma buffer & descriptors */ - atl1e_init_ring_resources(adapter); - err = atl1e_setup_ring_resources(adapter); - if (unlikely(err)) - return err; - - err = atl1e_request_irq(adapter); - if (unlikely(err)) - goto err_req_irq; - - err = atl1e_up(adapter); - if (unlikely(err)) - goto err_up; - - return 0; - -err_up: - atl1e_free_irq(adapter); -err_req_irq: - atl1e_free_ring_resources(adapter); - atl1e_reset_hw(&adapter->hw); - - return err; -} - -/* - * atl1e_close - Disables a network interface - * @netdev: network interface device structure - * - * Returns 0, this is not allowed to fail - * - * The close entry point is called when an interface is de-activated - * by the OS. The hardware is still under the drivers control, but - * needs to be disabled. A global MAC reset is issued to stop the - * hardware, and all transmit and receive resources are freed. - */ -static int atl1e_close(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); - atl1e_down(adapter); - atl1e_free_irq(adapter); - atl1e_free_ring_resources(adapter); - - return 0; -} - -static int atl1e_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - u32 ctrl = 0; - u32 mac_ctrl_data = 0; - u32 wol_ctrl_data = 0; - u16 mii_advertise_data = 0; - u16 mii_bmsr_data = 0; - u16 mii_intr_status_data = 0; - u32 wufc = adapter->wol; - u32 i; -#ifdef CONFIG_PM - int retval = 0; -#endif - - if (netif_running(netdev)) { - WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); - atl1e_down(adapter); - } - netif_device_detach(netdev); - -#ifdef CONFIG_PM - retval = pci_save_state(pdev); - if (retval) - return retval; -#endif - - if (wufc) { - /* get link status */ - atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data); - atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data); - - mii_advertise_data = ADVERTISE_10HALF; - - if ((atl1e_write_phy_reg(hw, MII_CTRL1000, 0) != 0) || - (atl1e_write_phy_reg(hw, - MII_ADVERTISE, mii_advertise_data) != 0) || - (atl1e_phy_commit(hw)) != 0) { - netdev_dbg(adapter->netdev, "set phy register failed\n"); - goto wol_dis; - } - - hw->phy_configured = false; /* re-init PHY when resume */ - - /* turn on magic packet wol */ - if (wufc & AT_WUFC_MAG) - wol_ctrl_data |= WOL_MAGIC_EN | WOL_MAGIC_PME_EN; - - if (wufc & AT_WUFC_LNKC) { - /* if orignal link status is link, just wait for retrive link */ - if (mii_bmsr_data & BMSR_LSTATUS) { - for (i = 0; i < AT_SUSPEND_LINK_TIMEOUT; i++) { - msleep(100); - atl1e_read_phy_reg(hw, MII_BMSR, - (u16 *)&mii_bmsr_data); - if (mii_bmsr_data & BMSR_LSTATUS) - break; - } - - if ((mii_bmsr_data & BMSR_LSTATUS) == 0) - netdev_dbg(adapter->netdev, - "Link may change when suspend\n"); - } - wol_ctrl_data |= WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN; - /* only link up can wake up */ - if (atl1e_write_phy_reg(hw, MII_INT_CTRL, 0x400) != 0) { - netdev_dbg(adapter->netdev, - "read write phy register failed\n"); - goto wol_dis; - } - } - /* clear phy interrupt */ - atl1e_read_phy_reg(hw, MII_INT_STATUS, &mii_intr_status_data); - /* Config MAC Ctrl register */ - mac_ctrl_data = MAC_CTRL_RX_EN; - /* set to 10/100M halt duplex */ - mac_ctrl_data |= MAC_CTRL_SPEED_10_100 << MAC_CTRL_SPEED_SHIFT; - mac_ctrl_data |= (((u32)adapter->hw.preamble_len & - MAC_CTRL_PRMLEN_MASK) << - MAC_CTRL_PRMLEN_SHIFT); - - __atl1e_vlan_mode(netdev->features, &mac_ctrl_data); - - /* magic packet maybe Broadcast&multicast&Unicast frame */ - if (wufc & AT_WUFC_MAG) - mac_ctrl_data |= MAC_CTRL_BC_EN; - - netdev_dbg(adapter->netdev, "suspend MAC=0x%x\n", - mac_ctrl_data); - - AT_WRITE_REG(hw, REG_WOL_CTRL, wol_ctrl_data); - AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); - /* pcie patch */ - ctrl = AT_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); - goto suspend_exit; - } -wol_dis: - - /* WOL disabled */ - AT_WRITE_REG(hw, REG_WOL_CTRL, 0); - - /* pcie patch */ - ctrl = AT_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - - atl1e_force_ps(hw); - hw->phy_configured = false; /* re-init PHY when resume */ - - pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); - -suspend_exit: - - if (netif_running(netdev)) - atl1e_free_irq(adapter); - - pci_disable_device(pdev); - - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - - return 0; -} - -#ifdef CONFIG_PM -static int atl1e_resume(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - u32 err; - - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - - err = pci_enable_device(pdev); - if (err) { - netdev_err(adapter->netdev, - "Cannot enable PCI device from suspend\n"); - return err; - } - - pci_set_master(pdev); - - AT_READ_REG(&adapter->hw, REG_WOL_CTRL); /* clear WOL status */ - - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - - AT_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); - - if (netif_running(netdev)) { - err = atl1e_request_irq(adapter); - if (err) - return err; - } - - atl1e_reset_hw(&adapter->hw); - - if (netif_running(netdev)) - atl1e_up(adapter); - - netif_device_attach(netdev); - - return 0; -} -#endif - -static void atl1e_shutdown(struct pci_dev *pdev) -{ - atl1e_suspend(pdev, PMSG_SUSPEND); -} - -static const struct net_device_ops atl1e_netdev_ops = { - .ndo_open = atl1e_open, - .ndo_stop = atl1e_close, - .ndo_start_xmit = atl1e_xmit_frame, - .ndo_get_stats = atl1e_get_stats, - .ndo_set_multicast_list = atl1e_set_multi, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = atl1e_set_mac_addr, - .ndo_fix_features = atl1e_fix_features, - .ndo_set_features = atl1e_set_features, - .ndo_change_mtu = atl1e_change_mtu, - .ndo_do_ioctl = atl1e_ioctl, - .ndo_tx_timeout = atl1e_tx_timeout, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = atl1e_netpoll, -#endif - -}; - -static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev) -{ - SET_NETDEV_DEV(netdev, &pdev->dev); - pci_set_drvdata(pdev, netdev); - - netdev->irq = pdev->irq; - netdev->netdev_ops = &atl1e_netdev_ops; - - netdev->watchdog_timeo = AT_TX_WATCHDOG; - atl1e_set_ethtool_ops(netdev); - - netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO | - NETIF_F_HW_VLAN_RX; - netdev->features = netdev->hw_features | NETIF_F_LLTX | - NETIF_F_HW_VLAN_TX; - - return 0; -} - -/* - * atl1e_probe - Device Initialization Routine - * @pdev: PCI device information struct - * @ent: entry in atl1e_pci_tbl - * - * Returns 0 on success, negative on failure - * - * atl1e_probe initializes an adapter identified by a pci_dev structure. - * The OS initialization, configuring of the adapter private structure, - * and a hardware reset occur. - */ -static int __devinit atl1e_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *netdev; - struct atl1e_adapter *adapter = NULL; - static int cards_found; - - int err = 0; - - err = pci_enable_device(pdev); - if (err) { - dev_err(&pdev->dev, "cannot enable PCI device\n"); - return err; - } - - /* - * The atl1e chip can DMA to 64-bit addresses, but it uses a single - * shared register for the high 32 bits, so only a single, aligned, - * 4 GB physical address range can be used at a time. - * - * Supporting 64-bit DMA on this hardware is more trouble than it's - * worth. It is far easier to limit to 32-bit DMA than update - * various kernel subsystems to support the mechanics required by a - * fixed-high-32-bit system. - */ - if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || - (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { - dev_err(&pdev->dev, "No usable DMA configuration,aborting\n"); - goto err_dma; - } - - err = pci_request_regions(pdev, atl1e_driver_name); - if (err) { - dev_err(&pdev->dev, "cannot obtain PCI resources\n"); - goto err_pci_reg; - } - - pci_set_master(pdev); - - netdev = alloc_etherdev(sizeof(struct atl1e_adapter)); - if (netdev == NULL) { - err = -ENOMEM; - dev_err(&pdev->dev, "etherdev alloc failed\n"); - goto err_alloc_etherdev; - } - - err = atl1e_init_netdev(netdev, pdev); - if (err) { - netdev_err(netdev, "init netdevice failed\n"); - goto err_init_netdev; - } - adapter = netdev_priv(netdev); - adapter->bd_number = cards_found; - adapter->netdev = netdev; - adapter->pdev = pdev; - adapter->hw.adapter = adapter; - adapter->hw.hw_addr = pci_iomap(pdev, BAR_0, 0); - if (!adapter->hw.hw_addr) { - err = -EIO; - netdev_err(netdev, "cannot map device registers\n"); - goto err_ioremap; - } - netdev->base_addr = (unsigned long)adapter->hw.hw_addr; - - /* init mii data */ - adapter->mii.dev = netdev; - adapter->mii.mdio_read = atl1e_mdio_read; - adapter->mii.mdio_write = atl1e_mdio_write; - adapter->mii.phy_id_mask = 0x1f; - adapter->mii.reg_num_mask = MDIO_REG_ADDR_MASK; - - netif_napi_add(netdev, &adapter->napi, atl1e_clean, 64); - - init_timer(&adapter->phy_config_timer); - adapter->phy_config_timer.function = atl1e_phy_config; - adapter->phy_config_timer.data = (unsigned long) adapter; - - /* get user settings */ - atl1e_check_options(adapter); - /* - * Mark all PCI regions associated with PCI device - * pdev as being reserved by owner atl1e_driver_name - * Enables bus-mastering on the device and calls - * pcibios_set_master to do the needed arch specific settings - */ - atl1e_setup_pcicmd(pdev); - /* setup the private structure */ - err = atl1e_sw_init(adapter); - if (err) { - netdev_err(netdev, "net device private data init failed\n"); - goto err_sw_init; - } - - /* Init GPHY as early as possible due to power saving issue */ - atl1e_phy_init(&adapter->hw); - /* reset the controller to - * put the device in a known good starting state */ - err = atl1e_reset_hw(&adapter->hw); - if (err) { - err = -EIO; - goto err_reset; - } - - if (atl1e_read_mac_addr(&adapter->hw) != 0) { - err = -EIO; - netdev_err(netdev, "get mac address failed\n"); - goto err_eeprom; - } - - memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); - memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); - netdev_dbg(netdev, "mac address : %pM\n", adapter->hw.mac_addr); - - INIT_WORK(&adapter->reset_task, atl1e_reset_task); - INIT_WORK(&adapter->link_chg_task, atl1e_link_chg_task); - err = register_netdev(netdev); - if (err) { - netdev_err(netdev, "register netdevice failed\n"); - goto err_register; - } - - /* assume we have no link for now */ - netif_stop_queue(netdev); - netif_carrier_off(netdev); - - cards_found++; - - return 0; - -err_reset: -err_register: -err_sw_init: -err_eeprom: - iounmap(adapter->hw.hw_addr); -err_init_netdev: -err_ioremap: - free_netdev(netdev); -err_alloc_etherdev: - pci_release_regions(pdev); -err_pci_reg: -err_dma: - pci_disable_device(pdev); - return err; -} - -/* - * atl1e_remove - Device Removal Routine - * @pdev: PCI device information struct - * - * atl1e_remove is called by the PCI subsystem to alert the driver - * that it should release a PCI device. The could be caused by a - * Hot-Plug event, or because the driver is going to be removed from - * memory. - */ -static void __devexit atl1e_remove(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - - /* - * flush_scheduled work may reschedule our watchdog task, so - * explicitly disable watchdog tasks from being rescheduled - */ - set_bit(__AT_DOWN, &adapter->flags); - - atl1e_del_timer(adapter); - atl1e_cancel_work(adapter); - - unregister_netdev(netdev); - atl1e_free_ring_resources(adapter); - atl1e_force_ps(&adapter->hw); - iounmap(adapter->hw.hw_addr); - pci_release_regions(pdev); - free_netdev(netdev); - pci_disable_device(pdev); -} - -/* - * atl1e_io_error_detected - called when PCI error is detected - * @pdev: Pointer to PCI device - * @state: The current pci connection state - * - * This function is called after a PCI bus error affecting - * this device has been detected. - */ -static pci_ers_result_t -atl1e_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - - netif_device_detach(netdev); - - if (state == pci_channel_io_perm_failure) - return PCI_ERS_RESULT_DISCONNECT; - - if (netif_running(netdev)) - atl1e_down(adapter); - - pci_disable_device(pdev); - - /* Request a slot slot reset. */ - return PCI_ERS_RESULT_NEED_RESET; -} - -/* - * atl1e_io_slot_reset - called after the pci bus has been reset. - * @pdev: Pointer to PCI device - * - * Restart the card from scratch, as if from a cold-boot. Implementation - * resembles the first-half of the e1000_resume routine. - */ -static pci_ers_result_t atl1e_io_slot_reset(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - - if (pci_enable_device(pdev)) { - netdev_err(adapter->netdev, - "Cannot re-enable PCI device after reset\n"); - return PCI_ERS_RESULT_DISCONNECT; - } - pci_set_master(pdev); - - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - - atl1e_reset_hw(&adapter->hw); - - return PCI_ERS_RESULT_RECOVERED; -} - -/* - * atl1e_io_resume - called when traffic can start flowing again. - * @pdev: Pointer to PCI device - * - * This callback is called when the error recovery driver tells us that - * its OK to resume normal operation. Implementation resembles the - * second-half of the atl1e_resume routine. - */ -static void atl1e_io_resume(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - - if (netif_running(netdev)) { - if (atl1e_up(adapter)) { - netdev_err(adapter->netdev, - "can't bring device back up after reset\n"); - return; - } - } - - netif_device_attach(netdev); -} - -static struct pci_error_handlers atl1e_err_handler = { - .error_detected = atl1e_io_error_detected, - .slot_reset = atl1e_io_slot_reset, - .resume = atl1e_io_resume, -}; - -static struct pci_driver atl1e_driver = { - .name = atl1e_driver_name, - .id_table = atl1e_pci_tbl, - .probe = atl1e_probe, - .remove = __devexit_p(atl1e_remove), - /* Power Management Hooks */ -#ifdef CONFIG_PM - .suspend = atl1e_suspend, - .resume = atl1e_resume, -#endif - .shutdown = atl1e_shutdown, - .err_handler = &atl1e_err_handler -}; - -/* - * atl1e_init_module - Driver Registration Routine - * - * atl1e_init_module is the first routine called when the driver is - * loaded. All it does is register with the PCI subsystem. - */ -static int __init atl1e_init_module(void) -{ - return pci_register_driver(&atl1e_driver); -} - -/* - * atl1e_exit_module - Driver Exit Cleanup Routine - * - * atl1e_exit_module is called just before the driver is removed - * from memory. - */ -static void __exit atl1e_exit_module(void) -{ - pci_unregister_driver(&atl1e_driver); -} - -module_init(atl1e_init_module); -module_exit(atl1e_exit_module); diff --git a/drivers/net/atl1e/atl1e_param.c b/drivers/net/atl1e/atl1e_param.c deleted file mode 100644 index 0ce60b6e7ef..00000000000 --- a/drivers/net/atl1e/atl1e_param.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * 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) - * 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. - */ - -#include <linux/netdevice.h> - -#include "atl1e.h" - -/* This is the only thing that needs to be changed to adjust the - * maximum number of ports that the driver can manage. - */ - -#define ATL1E_MAX_NIC 32 - -#define OPTION_UNSET -1 -#define OPTION_DISABLED 0 -#define OPTION_ENABLED 1 - -/* All parameters are treated the same, as an integer array of values. - * This macro just reduces the need to repeat the same declaration code - * over and over (plus this helps to avoid typo bugs). - */ -#define ATL1E_PARAM_INIT { [0 ... ATL1E_MAX_NIC] = OPTION_UNSET } - -#define ATL1E_PARAM(x, desc) \ - static int __devinitdata x[ATL1E_MAX_NIC + 1] = ATL1E_PARAM_INIT; \ - static unsigned int num_##x; \ - module_param_array_named(x, x, int, &num_##x, 0); \ - MODULE_PARM_DESC(x, desc); - -/* Transmit Memory count - * - * Valid Range: 64-2048 - * - * Default Value: 128 - */ -#define ATL1E_MIN_TX_DESC_CNT 32 -#define ATL1E_MAX_TX_DESC_CNT 1020 -#define ATL1E_DEFAULT_TX_DESC_CNT 128 -ATL1E_PARAM(tx_desc_cnt, "Transmit description count"); - -/* Receive Memory Block Count - * - * Valid Range: 16-512 - * - * Default Value: 128 - */ -#define ATL1E_MIN_RX_MEM_SIZE 8 /* 8KB */ -#define ATL1E_MAX_RX_MEM_SIZE 1024 /* 1MB */ -#define ATL1E_DEFAULT_RX_MEM_SIZE 256 /* 128KB */ -ATL1E_PARAM(rx_mem_size, "memory size of rx buffer(KB)"); - -/* User Specified MediaType Override - * - * Valid Range: 0-5 - * - 0 - auto-negotiate at all supported speeds - * - 1 - only link at 100Mbps Full Duplex - * - 2 - only link at 100Mbps Half Duplex - * - 3 - only link at 10Mbps Full Duplex - * - 4 - only link at 10Mbps Half Duplex - * Default Value: 0 - */ - -ATL1E_PARAM(media_type, "MediaType Select"); - -/* Interrupt Moderate Timer in units of 2 us - * - * Valid Range: 10-65535 - * - * Default Value: 45000(90ms) - */ -#define INT_MOD_DEFAULT_CNT 100 /* 200us */ -#define INT_MOD_MAX_CNT 65000 -#define INT_MOD_MIN_CNT 50 -ATL1E_PARAM(int_mod_timer, "Interrupt Moderator Timer"); - -#define AUTONEG_ADV_DEFAULT 0x2F -#define AUTONEG_ADV_MASK 0x2F -#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL - -#define FLASH_VENDOR_DEFAULT 0 -#define FLASH_VENDOR_MIN 0 -#define FLASH_VENDOR_MAX 2 - -struct atl1e_option { - enum { enable_option, range_option, list_option } type; - char *name; - char *err; - int def; - union { - struct { /* range_option info */ - int min; - int max; - } r; - struct { /* list_option info */ - int nr; - struct atl1e_opt_list { int i; char *str; } *p; - } l; - } arg; -}; - -static int __devinit atl1e_validate_option(int *value, struct atl1e_option *opt, struct atl1e_adapter *adapter) -{ - if (*value == OPTION_UNSET) { - *value = opt->def; - return 0; - } - - switch (opt->type) { - case enable_option: - switch (*value) { - case OPTION_ENABLED: - netdev_info(adapter->netdev, - "%s Enabled\n", opt->name); - return 0; - case OPTION_DISABLED: - netdev_info(adapter->netdev, - "%s Disabled\n", opt->name); - return 0; - } - break; - case range_option: - if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { - netdev_info(adapter->netdev, "%s set to %i\n", - opt->name, *value); - return 0; - } - break; - case list_option:{ - int i; - struct atl1e_opt_list *ent; - - for (i = 0; i < opt->arg.l.nr; i++) { - ent = &opt->arg.l.p[i]; - if (*value == ent->i) { - if (ent->str[0] != '\0') - netdev_info(adapter->netdev, - "%s\n", ent->str); - return 0; - } - } - break; - } - default: - BUG(); - } - - netdev_info(adapter->netdev, "Invalid %s specified (%i) %s\n", - opt->name, *value, opt->err); - *value = opt->def; - return -1; -} - -/* - * atl1e_check_options - Range Checking for Command Line Parameters - * @adapter: board private structure - * - * This routine checks all command line parameters for valid user - * input. If an invalid value is given, or if no user specified - * value exists, a default value is used. The final value is stored - * in a variable in the adapter structure. - */ -void __devinit atl1e_check_options(struct atl1e_adapter *adapter) -{ - int bd = adapter->bd_number; - - if (bd >= ATL1E_MAX_NIC) { - netdev_notice(adapter->netdev, - "no configuration for board #%i\n", bd); - netdev_notice(adapter->netdev, - "Using defaults for all values\n"); - } - - { /* Transmit Ring Size */ - struct atl1e_option opt = { - .type = range_option, - .name = "Transmit Ddescription Count", - .err = "using default of " - __MODULE_STRING(ATL1E_DEFAULT_TX_DESC_CNT), - .def = ATL1E_DEFAULT_TX_DESC_CNT, - .arg = { .r = { .min = ATL1E_MIN_TX_DESC_CNT, - .max = ATL1E_MAX_TX_DESC_CNT} } - }; - int val; - if (num_tx_desc_cnt > bd) { - val = tx_desc_cnt[bd]; - atl1e_validate_option(&val, &opt, adapter); - adapter->tx_ring.count = (u16) val & 0xFFFC; - } else - adapter->tx_ring.count = (u16)opt.def; - } - - { /* Receive Memory Block Count */ - struct atl1e_option opt = { - .type = range_option, - .name = "Memory size of rx buffer(KB)", - .err = "using default of " - __MODULE_STRING(ATL1E_DEFAULT_RX_MEM_SIZE), - .def = ATL1E_DEFAULT_RX_MEM_SIZE, - .arg = { .r = { .min = ATL1E_MIN_RX_MEM_SIZE, - .max = ATL1E_MAX_RX_MEM_SIZE} } - }; - int val; - if (num_rx_mem_size > bd) { - val = rx_mem_size[bd]; - atl1e_validate_option(&val, &opt, adapter); - adapter->rx_ring.page_size = (u32)val * 1024; - } else { - adapter->rx_ring.page_size = (u32)opt.def * 1024; - } - } - - { /* Interrupt Moderate Timer */ - struct atl1e_option opt = { - .type = range_option, - .name = "Interrupt Moderate Timer", - .err = "using default of " - __MODULE_STRING(INT_MOD_DEFAULT_CNT), - .def = INT_MOD_DEFAULT_CNT, - .arg = { .r = { .min = INT_MOD_MIN_CNT, - .max = INT_MOD_MAX_CNT} } - } ; - int val; - if (num_int_mod_timer > bd) { - val = int_mod_timer[bd]; - atl1e_validate_option(&val, &opt, adapter); - adapter->hw.imt = (u16) val; - } else - adapter->hw.imt = (u16)(opt.def); - } - - { /* MediaType */ - struct atl1e_option opt = { - .type = range_option, - .name = "Speed/Duplex Selection", - .err = "using default of " - __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR), - .def = MEDIA_TYPE_AUTO_SENSOR, - .arg = { .r = { .min = MEDIA_TYPE_AUTO_SENSOR, - .max = MEDIA_TYPE_10M_HALF} } - } ; - int val; - if (num_media_type > bd) { - val = media_type[bd]; - atl1e_validate_option(&val, &opt, adapter); - adapter->hw.media_type = (u16) val; - } else - adapter->hw.media_type = (u16)(opt.def); - - } -} |