diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/7990.c | 6 | ||||
-rw-r--r-- | drivers/net/Kconfig | 6 | ||||
-rw-r--r-- | drivers/net/Space.c | 4 | ||||
-rw-r--r-- | drivers/net/a2065.c | 8 | ||||
-rw-r--r-- | drivers/net/ariadne.c | 1 | ||||
-rw-r--r-- | drivers/net/jazzsonic.c | 27 | ||||
-rw-r--r-- | drivers/net/mac8390.c | 245 | ||||
-rw-r--r-- | drivers/net/mac89x0.c | 88 | ||||
-rw-r--r-- | drivers/net/macmace.c | 591 | ||||
-rw-r--r-- | drivers/net/macsonic.c | 65 | ||||
-rw-r--r-- | drivers/net/sonic.c | 32 | ||||
-rw-r--r-- | drivers/net/sun3_82586.c | 5 |
12 files changed, 660 insertions, 418 deletions
diff --git a/drivers/net/7990.c b/drivers/net/7990.c index d396f996af5..0877fc372f4 100644 --- a/drivers/net/7990.c +++ b/drivers/net/7990.c @@ -565,9 +565,9 @@ int lance_start_xmit (struct sk_buff *skb, struct net_device *dev) ib->btx_ring [entry].length = (-len) | 0xf000; ib->btx_ring [entry].misc = 0; - if (skb->len < ETH_ZLEN) - memset((char *)&ib->tx_buf[entry][0], 0, ETH_ZLEN); - skb_copy_from_linear_data(skb, &ib->tx_buf[entry][0], skblen); + if (skb->len < ETH_ZLEN) + memset((void *)&ib->tx_buf[entry][0], 0, ETH_ZLEN); + skb_copy_from_linear_data(skb, (void *)&ib->tx_buf[entry][0], skblen); /* Now, give the packet to the lance */ ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index dcdad217df5..69dba62e0ba 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -311,7 +311,7 @@ config MAC8390 config MAC89x0 tristate "Macintosh CS89x0 based ethernet cards" - depends on NET_ETHERNET && MAC && BROKEN + depends on NET_ETHERNET && MAC ---help--- Support for CS89x0 chipset based Ethernet cards. If you have a Nubus or LC-PDS network (Ethernet) card of this type, say Y and @@ -337,8 +337,8 @@ config MACSONIC be called macsonic. config MACMACE - bool "Macintosh (AV) onboard MACE ethernet (EXPERIMENTAL)" - depends on NET_ETHERNET && MAC && EXPERIMENTAL + bool "Macintosh (AV) onboard MACE ethernet" + depends on NET_ETHERNET && MAC select CRC32 help Support for the onboard AMD 79C940 MACE Ethernet controller used in diff --git a/drivers/net/Space.c b/drivers/net/Space.c index dd8ed456c8b..1c3e293fbaf 100644 --- a/drivers/net/Space.c +++ b/drivers/net/Space.c @@ -83,7 +83,6 @@ extern struct net_device *bagetlance_probe(int unit); extern struct net_device *mvme147lance_probe(int unit); extern struct net_device *tc515_probe(int unit); extern struct net_device *lance_probe(int unit); -extern struct net_device *mace_probe(int unit); extern struct net_device *mac8390_probe(int unit); extern struct net_device *mac89x0_probe(int unit); extern struct net_device *mc32_probe(int unit); @@ -274,9 +273,6 @@ static struct devprobe2 m68k_probes[] __initdata = { #ifdef CONFIG_MVME147_NET /* MVME147 internal Ethernet */ {mvme147lance_probe, 0}, #endif -#ifdef CONFIG_MACMACE /* Mac 68k Quadra AV builtin Ethernet */ - {mace_probe, 0}, -#endif #ifdef CONFIG_MAC8390 /* NuBus NS8390-based cards */ {mac8390_probe, 0}, #endif diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c index 1226cbba045..81d5a374042 100644 --- a/drivers/net/a2065.c +++ b/drivers/net/a2065.c @@ -562,7 +562,6 @@ static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev) volatile struct lance_init_block *ib = lp->init_block; int entry, skblen, len; int status = 0; - static int outs; unsigned long flags; skblen = skb->len; @@ -598,17 +597,16 @@ static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev) ib->btx_ring [entry].length = (-len) | 0xf000; ib->btx_ring [entry].misc = 0; - skb_copy_from_linear_data(skb, &ib->tx_buf [entry][0], skblen); + skb_copy_from_linear_data(skb, (void *)&ib->tx_buf [entry][0], skblen); /* Clear the slack of the packet, do I need this? */ if (len != skblen) - memset ((char *) &ib->tx_buf [entry][skblen], 0, len - skblen); + memset ((void *) &ib->tx_buf [entry][skblen], 0, len - skblen); /* Now, give the packet to the lance */ ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN); lp->tx_new = (lp->tx_new+1) & lp->tx_ring_mod_mask; - - outs++; + lp->stats.tx_bytes += skblen; if (TX_BUFFS_AVAIL <= 0) netif_stop_queue(dev); diff --git a/drivers/net/ariadne.c b/drivers/net/ariadne.c index a0e68e71853..a241ae7855a 100644 --- a/drivers/net/ariadne.c +++ b/drivers/net/ariadne.c @@ -677,6 +677,7 @@ static int ariadne_start_xmit(struct sk_buff *skb, struct net_device *dev) priv->cur_tx -= TX_RING_SIZE; priv->dirty_tx -= TX_RING_SIZE; } + priv->stats.tx_bytes += len; /* Trigger an immediate send poll. */ lance->RAP = CSR0; /* PCnet-ISA Controller Status */ diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c index d34afb52ea7..75f6f441e87 100644 --- a/drivers/net/jazzsonic.c +++ b/drivers/net/jazzsonic.c @@ -88,6 +88,23 @@ static unsigned short known_revisions[] = 0xffff /* end of list */ }; +static int jazzsonic_open(struct net_device* dev) +{ + if (request_irq(dev->irq, &sonic_interrupt, IRQF_DISABLED, "sonic", dev)) { + printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq); + return -EAGAIN; + } + return sonic_open(dev); +} + +static int jazzsonic_close(struct net_device* dev) +{ + int err; + err = sonic_close(dev); + free_irq(dev->irq, dev); + return err; +} + static int __init sonic_probe1(struct net_device *dev) { static unsigned version_printed; @@ -169,8 +186,8 @@ static int __init sonic_probe1(struct net_device *dev) lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS * SONIC_BUS_SCALE(lp->dma_bitmode)); - dev->open = sonic_open; - dev->stop = sonic_close; + dev->open = jazzsonic_open; + dev->stop = jazzsonic_close; dev->hard_start_xmit = sonic_send_packet; dev->get_stats = sonic_get_stats; dev->set_multicast_list = &sonic_multicast_list; @@ -260,8 +277,6 @@ MODULE_DESCRIPTION("Jazz SONIC ethernet driver"); module_param(sonic_debug, int, 0); MODULE_PARM_DESC(sonic_debug, "jazzsonic debug level (1-4)"); -#define SONIC_IRQ_FLAG IRQF_DISABLED - #include "sonic.c" static int __devexit jazz_sonic_device_remove (struct platform_device *pdev) @@ -269,11 +284,11 @@ static int __devexit jazz_sonic_device_remove (struct platform_device *pdev) struct net_device *dev = platform_get_drvdata(pdev); struct sonic_local* lp = netdev_priv(dev); - unregister_netdev (dev); + unregister_netdev(dev); dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), lp->descriptors, lp->descriptors_laddr); release_region (dev->base_addr, SONIC_MEM_SIZE); - free_netdev (dev); + free_netdev(dev); return 0; } diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c index a12bb64e369..90b0c3ed4bb 100644 --- a/drivers/net/mac8390.c +++ b/drivers/net/mac8390.c @@ -14,6 +14,8 @@ /* 2001-05-15: support for Cabletron ported from old daynaport driver * and fixed access to Sonic Sys card which masquerades as a Farallon * by rayk@knightsmanor.org */ +/* 2002-12-30: Try to support more cards, some clues from NetBSD driver */ +/* 2003-12-26: Make sure Asante cards always work. */ #include <linux/module.h> #include <linux/kernel.h> @@ -61,25 +63,21 @@ static char version[] = #define DAYNA_8390_BASE 0x80000 #define DAYNA_8390_MEM 0x00000 -#define KINETICS_8390_BASE 0x80000 -#define KINETICS_8390_MEM 0x00000 - #define CABLETRON_8390_BASE 0x90000 #define CABLETRON_8390_MEM 0x00000 +#define INTERLAN_8390_BASE 0xE0000 +#define INTERLAN_8390_MEM 0xD0000 + enum mac8390_type { MAC8390_NONE = -1, MAC8390_APPLE, MAC8390_ASANTE, - MAC8390_FARALLON, /* Apple, Asante, and Farallon are all compatible */ + MAC8390_FARALLON, MAC8390_CABLETRON, MAC8390_DAYNA, MAC8390_INTERLAN, MAC8390_KINETICS, - MAC8390_FOCUS, - MAC8390_SONICSYS, - MAC8390_DAYNA2, - MAC8390_DAYNA3, }; static const char * cardname[] = { @@ -90,10 +88,6 @@ static const char * cardname[] = { "dayna", "interlan", "kinetics", - "focus", - "sonic systems", - "dayna2", - "dayna_lc", }; static int word16[] = { @@ -104,10 +98,6 @@ static int word16[] = { 0, /* dayna */ 1, /* interlan */ 0, /* kinetics */ - 1, /* focus (??) */ - 1, /* sonic systems */ - 1, /* dayna2 */ - 1, /* dayna-lc */ }; /* on which cards do we use NuBus resources? */ @@ -119,10 +109,12 @@ static int useresources[] = { 0, /* dayna */ 0, /* interlan */ 0, /* kinetics */ - 0, /* focus (??) */ - 1, /* sonic systems */ - 1, /* dayna2 */ - 1, /* dayna-lc */ +}; + +enum mac8390_access { + ACCESS_UNKNOWN = 0, + ACCESS_32, + ACCESS_16, }; extern enum mac8390_type mac8390_ident(struct nubus_dev * dev); @@ -134,8 +126,9 @@ static int mac8390_initdev(struct net_device * dev, struct nubus_dev * ndev, static int mac8390_open(struct net_device * dev); static int mac8390_close(struct net_device * dev); static void mac8390_no_reset(struct net_device *dev); +static void interlan_reset(struct net_device *dev); -/* Sane (32-bit chunk memory read/write) - Apple/Asante/Farallon do this*/ +/* Sane (32-bit chunk memory read/write) - Some Farallon and Apple do this*/ static void sane_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page); static void sane_block_input(struct net_device * dev, int count, @@ -172,23 +165,93 @@ static void word_memcpy_fromcard(void *tp, const void *fp, int count); enum mac8390_type __init mac8390_ident(struct nubus_dev * dev) { - if (dev->dr_sw == NUBUS_DRSW_ASANTE) - return MAC8390_ASANTE; - if (dev->dr_sw == NUBUS_DRSW_FARALLON) - return MAC8390_FARALLON; - if (dev->dr_sw == NUBUS_DRSW_KINETICS) - return MAC8390_KINETICS; - if (dev->dr_sw == NUBUS_DRSW_DAYNA) - return MAC8390_DAYNA; - if (dev->dr_sw == NUBUS_DRSW_DAYNA2) - return MAC8390_DAYNA2; - if (dev->dr_sw == NUBUS_DRSW_DAYNA_LC) - return MAC8390_DAYNA3; - if (dev->dr_hw == NUBUS_DRHW_CABLETRON) - return MAC8390_CABLETRON; + switch (dev->dr_sw) { + case NUBUS_DRSW_3COM: + switch (dev->dr_hw) { + case NUBUS_DRHW_APPLE_SONIC_NB: + case NUBUS_DRHW_APPLE_SONIC_LC: + case NUBUS_DRHW_SONNET: + return MAC8390_NONE; + break; + default: + return MAC8390_APPLE; + break; + } + break; + + case NUBUS_DRSW_APPLE: + switch (dev->dr_hw) { + case NUBUS_DRHW_ASANTE_LC: + return MAC8390_NONE; + break; + case NUBUS_DRHW_CABLETRON: + return MAC8390_CABLETRON; + break; + default: + return MAC8390_APPLE; + break; + } + break; + + case NUBUS_DRSW_ASANTE: + return MAC8390_ASANTE; + break; + + case NUBUS_DRSW_TECHWORKS: + case NUBUS_DRSW_DAYNA2: + case NUBUS_DRSW_DAYNA_LC: + if (dev->dr_hw == NUBUS_DRHW_CABLETRON) + return MAC8390_CABLETRON; + else + return MAC8390_APPLE; + break; + + case NUBUS_DRSW_FARALLON: + return MAC8390_FARALLON; + break; + + case NUBUS_DRSW_KINETICS: + switch (dev->dr_hw) { + case NUBUS_DRHW_INTERLAN: + return MAC8390_INTERLAN; + break; + default: + return MAC8390_KINETICS; + break; + } + break; + + case NUBUS_DRSW_DAYNA: + // These correspond to Dayna Sonic cards + // which use the macsonic driver + if (dev->dr_hw == NUBUS_DRHW_SMC9194 || + dev->dr_hw == NUBUS_DRHW_INTERLAN ) + return MAC8390_NONE; + else + return MAC8390_DAYNA; + break; + } return MAC8390_NONE; } +enum mac8390_access __init mac8390_testio(volatile unsigned long membase) +{ + unsigned long outdata = 0xA5A0B5B0; + unsigned long indata = 0x00000000; + /* Try writing 32 bits */ + memcpy((char *)membase, (char *)&outdata, 4); + /* Now compare them */ + if (memcmp((char *)&outdata, (char *)membase, 4) == 0) + return ACCESS_32; + /* Write 16 bit output */ + word_memcpy_tocard((char *)membase, (char *)&outdata, 4); + /* Now read it back */ + word_memcpy_fromcard((char *)&indata, (char *)membase, 4); + if (outdata == indata) + return ACCESS_16; + return ACCESS_UNKNOWN; +} + int __init mac8390_memsize(unsigned long membase) { unsigned long flags; @@ -287,14 +350,6 @@ struct net_device * __init mac8390_probe(int unit) continue; } else { nubus_get_rsrc_mem(dev->dev_addr, &ent, 6); - /* Some Sonic Sys cards masquerade as Farallon */ - if (cardtype == MAC8390_FARALLON && - dev->dev_addr[0] == 0x0 && - dev->dev_addr[1] == 0x40 && - dev->dev_addr[2] == 0x10) { - /* This is really Sonic Sys card */ - cardtype = MAC8390_SONICSYS; - } } if (useresources[cardtype] == 1) { @@ -334,6 +389,17 @@ struct net_device * __init mac8390_probe(int unit) dev->mem_start + mac8390_memsize(dev->mem_start); break; + case MAC8390_INTERLAN: + dev->base_addr = + (int)(ndev->board->slot_addr + + INTERLAN_8390_BASE); + dev->mem_start = + (int)(ndev->board->slot_addr + + INTERLAN_8390_MEM); + dev->mem_end = + dev->mem_start + + mac8390_memsize(dev->mem_start); + break; case MAC8390_CABLETRON: dev->base_addr = (int)(ndev->board->slot_addr + @@ -356,8 +422,8 @@ struct net_device * __init mac8390_probe(int unit) default: printk(KERN_ERR "Card type %s is" - " unsupported, sorry\n", - cardname[cardtype]); + " unsupported, sorry\n", + ndev->board->name); continue; } } @@ -438,7 +504,7 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd 24, 26, 28, 30 }; - int access_bitmode; + int access_bitmode = 0; /* Now fill in our stuff */ dev->open = &mac8390_open; @@ -468,29 +534,47 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd /* Fill in model-specific information and functions */ switch(type) { - case MAC8390_SONICSYS: - /* 16 bit card, register map is reversed */ - ei_status.reset_8390 = &mac8390_no_reset; - ei_status.block_input = &slow_sane_block_input; - ei_status.block_output = &slow_sane_block_output; - ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; - ei_status.reg_offset = back4_offsets; - access_bitmode = 0; - break; case MAC8390_FARALLON: case MAC8390_APPLE: + switch(mac8390_testio(dev->mem_start)) { + case ACCESS_UNKNOWN: + printk("Don't know how to access card memory!\n"); + return -ENODEV; + break; + + case ACCESS_16: + /* 16 bit card, register map is reversed */ + ei_status.reset_8390 = &mac8390_no_reset; + ei_status.block_input = &slow_sane_block_input; + ei_status.block_output = &slow_sane_block_output; + ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; + ei_status.reg_offset = back4_offsets; + break; + + case ACCESS_32: + /* 32 bit card, register map is reversed */ + ei_status.reset_8390 = &mac8390_no_reset; + ei_status.block_input = &sane_block_input; + ei_status.block_output = &sane_block_output; + ei_status.get_8390_hdr = &sane_get_8390_hdr; + ei_status.reg_offset = back4_offsets; + access_bitmode = 1; + break; + } + break; + case MAC8390_ASANTE: - case MAC8390_DAYNA2: - case MAC8390_DAYNA3: - /* 32 bit card, register map is reversed */ - /* sane */ + /* Some Asante cards pass the 32 bit test + * but overwrite system memory when run at 32 bit. + * so we run them all at 16 bit. + */ ei_status.reset_8390 = &mac8390_no_reset; - ei_status.block_input = &sane_block_input; - ei_status.block_output = &sane_block_output; - ei_status.get_8390_hdr = &sane_get_8390_hdr; + ei_status.block_input = &slow_sane_block_input; + ei_status.block_output = &slow_sane_block_output; + ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; ei_status.reg_offset = back4_offsets; - access_bitmode = 1; break; + case MAC8390_CABLETRON: /* 16 bit card, register map is short forward */ ei_status.reset_8390 = &mac8390_no_reset; @@ -498,21 +582,30 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd ei_status.block_output = &slow_sane_block_output; ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; ei_status.reg_offset = fwrd2_offsets; - access_bitmode = 0; break; + case MAC8390_DAYNA: case MAC8390_KINETICS: - /* 16 bit memory */ + /* 16 bit memory, register map is forward */ /* dayna and similar */ ei_status.reset_8390 = &mac8390_no_reset; ei_status.block_input = &dayna_block_input; ei_status.block_output = &dayna_block_output; ei_status.get_8390_hdr = &dayna_get_8390_hdr; ei_status.reg_offset = fwrd4_offsets; - access_bitmode = 0; break; + + case MAC8390_INTERLAN: + /* 16 bit memory, register map is forward */ + ei_status.reset_8390 = &interlan_reset; + ei_status.block_input = &slow_sane_block_input; + ei_status.block_output = &slow_sane_block_output; + ei_status.get_8390_hdr = &slow_sane_get_8390_hdr; + ei_status.reg_offset = fwrd4_offsets; + break; + default: - printk(KERN_ERR "Card type %s is unsupported, sorry\n", cardname[type]); + printk(KERN_ERR "Card type %s is unsupported, sorry\n", ndev->board->name); return -ENODEV; } @@ -530,9 +623,9 @@ static int __init mac8390_initdev(struct net_device * dev, struct nubus_dev * nd printk(":"); } } - printk(" IRQ %d, shared memory at %#lx-%#lx, %d-bit access.\n", - dev->irq, dev->mem_start, dev->mem_end-1, - access_bitmode?32:16); + printk(" IRQ %d, %d KB shared memory at %#lx, %d-bit access.\n", + dev->irq, (int)((dev->mem_end - dev->mem_start)/0x1000) * 4, + dev->mem_start, access_bitmode?32:16); return 0; } @@ -561,6 +654,18 @@ static void mac8390_no_reset(struct net_device *dev) return; } +static void interlan_reset(struct net_device *dev) +{ + unsigned char *target=nubus_slot_addr(IRQ2SLOT(dev->irq)); + if (ei_debug > 1) + printk("Need to reset the NS8390 t=%lu...", jiffies); + ei_status.txing = 0; + target[0xC0000] = 0; + if (ei_debug > 1) + printk("reset complete\n"); + return; +} + /* dayna_memcpy_fromio/dayna_memcpy_toio */ /* directly from daynaport.c by Alan Cox */ static void dayna_memcpy_fromcard(struct net_device *dev, void *to, int from, int count) diff --git a/drivers/net/mac89x0.c b/drivers/net/mac89x0.c index 90e695d5326..26a3b45a4a3 100644 --- a/drivers/net/mac89x0.c +++ b/drivers/net/mac89x0.c @@ -128,7 +128,7 @@ struct net_local { extern void reset_chip(struct net_device *dev); #endif static int net_open(struct net_device *dev); -static int net_send_packet(struct sk_buff *skb, struct net_device *dev); +static int net_send_packet(struct sk_buff *skb, struct net_device *dev); static irqreturn_t net_interrupt(int irq, void *dev_id); static void set_multicast_list(struct net_device *dev); static void net_rx(struct net_device *dev); @@ -374,56 +374,39 @@ net_open(struct net_device *dev) static int net_send_packet(struct sk_buff *skb, struct net_device *dev) { - if (dev->tbusy) { - /* If we get here, some higher level has decided we are broken. - There should really be a "kick me" function call instead. */ - int tickssofar = jiffies - dev->trans_start; - if (tickssofar < 5) - return 1; - if (net_debug > 0) printk("%s: transmit timed out, %s?\n", dev->name, - tx_done(dev) ? "IRQ conflict" : "network cable problem"); - /* Try to restart the adaptor. */ - dev->tbusy=0; - dev->trans_start = jiffies; - } - - /* Block a timer-based transmit from overlapping. This could better be - done with atomic_swap(1, dev->tbusy), but set_bit() works as well. */ - if (test_and_set_bit(0, (void*)&dev->tbusy) != 0) - printk("%s: Transmitter access conflict.\n", dev->name); - else { - struct net_local *lp = netdev_priv(dev); - unsigned long flags; - - if (net_debug > 3) - printk("%s: sent %d byte packet of type %x\n", - dev->name, skb->len, - (skb->data[ETH_ALEN+ETH_ALEN] << 8) - | skb->data[ETH_ALEN+ETH_ALEN+1]); - - /* keep the upload from being interrupted, since we - ask the chip to start transmitting before the - whole packet has been completely uploaded. */ - local_irq_save(flags); + struct net_local *lp = netdev_priv(dev); + unsigned long flags; - /* initiate a transmit sequence */ - writereg(dev, PP_TxCMD, lp->send_cmd); - writereg(dev, PP_TxLength, skb->len); + if (net_debug > 3) + printk("%s: sent %d byte packet of type %x\n", + dev->name, skb->len, + (skb->data[ETH_ALEN+ETH_ALEN] << 8) + | skb->data[ETH_ALEN+ETH_ALEN+1]); - /* Test to see if the chip has allocated memory for the packet */ - if ((readreg(dev, PP_BusST) & READY_FOR_TX_NOW) == 0) { - /* Gasp! It hasn't. But that shouldn't happen since - we're waiting for TxOk, so return 1 and requeue this packet. */ - local_irq_restore(flags); - return 1; - } + /* keep the upload from being interrupted, since we + ask the chip to start transmitting before the + whole packet has been completely uploaded. */ + local_irq_save(flags); + netif_stop_queue(dev); - /* Write the contents of the packet */ - memcpy_toio(dev->mem_start + PP_TxFrame, skb->data, skb->len+1); + /* initiate a transmit sequence */ + writereg(dev, PP_TxCMD, lp->send_cmd); + writereg(dev, PP_TxLength, skb->len); + /* Test to see if the chip has allocated memory for the packet */ + if ((readreg(dev, PP_BusST) & READY_FOR_TX_NOW) == 0) { + /* Gasp! It hasn't. But that shouldn't happen since + we're waiting for TxOk, so return 1 and requeue this packet. */ local_irq_restore(flags); - dev->trans_start = jiffies; + return 1; } + + /* Write the contents of the packet */ + skb_copy_from_linear_data(skb, (void *)(dev->mem_start + PP_TxFrame), + skb->len+1); + + local_irq_restore(flags); + dev->trans_start = jiffies; dev_kfree_skb (skb); return 0; @@ -441,9 +424,6 @@ static irqreturn_t net_interrupt(int irq, void *dev_id) printk ("net_interrupt(): irq %d for unknown device.\n", irq); return IRQ_NONE; } - if (dev->interrupt) - printk("%s: Re-entering the interrupt handler.\n", dev->name); - dev->interrupt = 1; ioaddr = dev->base_addr; lp = netdev_priv(dev); @@ -464,8 +444,7 @@ static irqreturn_t net_interrupt(int irq, void *dev_id) break; case ISQ_TRANSMITTER_EVENT: lp->stats.tx_packets++; - dev->tbusy = 0; - mark_bh(NET_BH); /* Inform upper layers. */ + netif_wake_queue(dev); if ((status & TX_OK) == 0) lp->stats.tx_errors++; if (status & TX_LOST_CRS) lp->stats.tx_carrier_errors++; if (status & TX_SQE_ERROR) lp->stats.tx_heartbeat_errors++; @@ -479,8 +458,7 @@ static irqreturn_t net_interrupt(int irq, void *dev_id) That shouldn't happen since we only ever load one packet. Shrug. Do the right thing anyway. */ - dev->tbusy = 0; - mark_bh(NET_BH); /* Inform upper layers. */ + netif_wake_queue(dev); } if (status & TX_UNDERRUN) { if (net_debug > 0) printk("%s: transmit underrun\n", dev->name); @@ -497,7 +475,6 @@ static irqreturn_t net_interrupt(int irq, void *dev_id) break; } } - dev->interrupt = 0; return IRQ_HANDLED; } @@ -531,7 +508,8 @@ net_rx(struct net_device *dev) } skb_put(skb, length); - memcpy_fromio(skb->data, dev->mem_start + PP_RxFrame, length); + skb_copy_to_linear_data(skb, (void *)(dev->mem_start + PP_RxFrame), + length); if (net_debug > 3)printk("%s: received %d byte packet of type %x\n", dev->name, length, @@ -610,8 +588,6 @@ static void set_multicast_list(struct net_device *dev) static int set_mac_address(struct net_device *dev, void *addr) { int i; - if (dev->start) - return -EBUSY; printk("%s: Setting MAC address to ", dev->name); for (i = 0; i < 6; i++) printk(" %2.2x", dev->dev_addr[i] = ((unsigned char *)addr)[i]); diff --git a/drivers/net/macmace.c b/drivers/net/macmace.c index 27911c07558..fef3193121f 100644 --- a/drivers/net/macmace.c +++ b/drivers/net/macmace.c @@ -12,6 +12,11 @@ * Copyright (C) 1998 Alan Cox <alan@redhat.com> * * Modified heavily by Joshua M. Thompson based on Dave Huang's NetBSD driver + * + * Copyright (C) 2007 Finn Thain + * + * Converted to DMA API, converted to unified driver model, + * sync'd some routines with mace.c and fixed various bugs. */ @@ -23,8 +28,9 @@ #include <linux/string.h> #include <linux/crc32.h> #include <linux/bitrev.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> #include <asm/io.h> -#include <asm/pgtable.h> #include <asm/irq.h> #include <asm/macintosh.h> #include <asm/macints.h> @@ -32,13 +38,20 @@ #include <asm/page.h> #include "mace.h" -#define N_TX_RING 1 -#define N_RX_RING 8 -#define N_RX_PAGES ((N_RX_RING * 0x0800 + PAGE_SIZE - 1) / PAGE_SIZE) +static char mac_mace_string[] = "macmace"; +static struct platform_device *mac_mace_device; + +#define N_TX_BUFF_ORDER 0 +#define N_TX_RING (1 << N_TX_BUFF_ORDER) +#define N_RX_BUFF_ORDER 3 +#define N_RX_RING (1 << N_RX_BUFF_ORDER) + #define TX_TIMEOUT HZ -/* Bits in transmit DMA status */ -#define TX_DMA_ERR 0x80 +#define MACE_BUFF_SIZE 0x800 + +/* Chip rev needs workaround on HW & multicast addr change */ +#define BROKEN_ADDRCHG_REV 0x0941 /* The MACE is simply wired down on a Mac68K box */ @@ -47,40 +60,46 @@ struct mace_data { volatile struct mace *mace; - volatile unsigned char *tx_ring; - volatile unsigned char *tx_ring_phys; - volatile unsigned char *rx_ring; - volatile unsigned char *rx_ring_phys; + unsigned char *tx_ring; + dma_addr_t tx_ring_phys; + unsigned char *rx_ring; + dma_addr_t rx_ring_phys; int dma_intr; struct net_device_stats stats; int rx_slot, rx_tail; int tx_slot, tx_sloti, tx_count; + int chipid; + struct device *device; }; struct mace_frame { - u16 len; - u16 status; - u16 rntpc; - u16 rcvcc; - u32 pad1; - u32 pad2; + u8 rcvcnt; + u8 pad1; + u8 rcvsts; + u8 pad2; + u8 rntpc; + u8 pad3; + u8 rcvcc; + u8 pad4; + u32 pad5; + u32 pad6; u8 data[1]; /* And frame continues.. */ }; #define PRIV_BYTES sizeof(struct mace_data) -extern void psc_debug_dump(void); - static int mace_open(struct net_device *dev); static int mace_close(struct net_device *dev); static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev); static struct net_device_stats *mace_stats(struct net_device *dev); static void mace_set_multicast(struct net_device *dev); static int mace_set_address(struct net_device *dev, void *addr); +static void mace_reset(struct net_device *dev); static irqreturn_t mace_interrupt(int irq, void *dev_id); static irqreturn_t mace_dma_intr(int irq, void *dev_id); static void mace_tx_timeout(struct net_device *dev); +static void __mace_set_address(struct net_device *dev, void *addr); /* * Load a receive DMA channel with a base address and ring length @@ -88,7 +107,7 @@ static void mace_tx_timeout(struct net_device *dev); static void mace_load_rxdma_base(struct net_device *dev, int set) { - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); psc_write_word(PSC_ENETRD_CMD + set, 0x0100); psc_write_long(PSC_ENETRD_ADDR + set, (u32) mp->rx_ring_phys); @@ -103,7 +122,7 @@ static void mace_load_rxdma_base(struct net_device *dev, int set) static void mace_rxdma_reset(struct net_device *dev) { - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); volatile struct mace *mace = mp->mace; u8 maccc = mace->maccc; @@ -130,7 +149,7 @@ static void mace_rxdma_reset(struct net_device *dev) static void mace_txdma_reset(struct net_device *dev) { - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); volatile struct mace *mace = mp->mace; u8 maccc; @@ -168,7 +187,7 @@ static void mace_dma_off(struct net_device *dev) * model of Macintrash has a MACE (AV macintoshes) */ -struct net_device *mace_probe(int unit) +static int __devinit mace_probe(struct platform_device *pdev) { int j; struct mace_data *mp; @@ -179,24 +198,28 @@ struct net_device *mace_probe(int unit) int err; if (found || macintosh_config->ether_type != MAC_ETHER_MACE) - return ERR_PTR(-ENODEV); + return -ENODEV; found = 1; /* prevent 'finding' one on every device probe */ dev = alloc_etherdev(PRIV_BYTES); if (!dev) - return ERR_PTR(-ENOMEM); + return -ENOMEM; - if (unit >= 0) - sprintf(dev->name, "eth%d", unit); + mp = netdev_priv(dev); + + mp->device = &pdev->dev; + SET_NETDEV_DEV(dev, &pdev->dev); + SET_MODULE_OWNER(dev); - mp = (struct mace_data *) dev->priv; dev->base_addr = (u32)MACE_BASE; mp->mace = (volatile struct mace *) MACE_BASE; dev->irq = IRQ_MAC_MACE; mp->dma_intr = IRQ_MAC_MACE_DMA; + mp->chipid = mp->mace->chipid_hi << 8 | mp->mace->chipid_lo; + /* * The PROM contains 8 bytes which total 0xFF when XOR'd * together. Due to the usual peculiar apple brain damage @@ -217,7 +240,7 @@ struct net_device *mace_probe(int unit) if (checksum != 0xFF) { free_netdev(dev); - return ERR_PTR(-ENODEV); + return -ENODEV; } memset(&mp->stats, 0, sizeof(mp->stats)); @@ -237,22 +260,98 @@ struct net_device *mace_probe(int unit) err = register_netdev(dev); if (!err) - return dev; + return 0; free_netdev(dev); - return ERR_PTR(err); + return err; +} + +/* + * Reset the chip. + */ + +static void mace_reset(struct net_device *dev) +{ + struct mace_data *mp = netdev_priv(dev); + volatile struct mace *mb = mp->mace; + int i; + + /* soft-reset the chip */ + i = 200; + while (--i) { + mb->biucc = SWRST; + if (mb->biucc & SWRST) { + udelay(10); + continue; + } + break; + } + if (!i) { + printk(KERN_ERR "macmace: cannot reset chip!\n"); + return; + } + + mb->maccc = 0; /* turn off tx, rx */ + mb->imr = 0xFF; /* disable all intrs for now */ + i = mb->ir; + + mb->biucc = XMTSP_64; + mb->utr = RTRD; + mb->fifocc = XMTFW_8 | RCVFW_64 | XMTFWU | RCVFWU; + + mb->xmtfc = AUTO_PAD_XMIT; /* auto-pad short frames */ + mb->rcvfc = 0; + + /* load up the hardware address */ + __mace_set_address(dev, dev->dev_addr); + + /* clear the multicast filter */ + if (mp->chipid == BROKEN_ADDRCHG_REV) + mb->iac = LOGADDR; + else { + mb->iac = ADDRCHG | LOGADDR; + while ((mb->iac & ADDRCHG) != 0) + ; + } + for (i = 0; i < 8; ++i) + mb->ladrf = 0; + + /* done changing address */ + if (mp->chipid != BROKEN_ADDRCHG_REV) + mb->iac = 0; + + mb->plscc = PORTSEL_AUI; } /* * Load the address on a mace controller. */ -static int mace_set_address(struct net_device *dev, void *addr) +static void __mace_set_address(struct net_device *dev, void *addr) { - unsigned char *p = addr; - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); volatile struct mace *mb = mp->mace; + unsigned char *p = addr; int i; + + /* load up the hardware address */ + if (mp->chipid == BROKEN_ADDRCHG_REV) + mb->iac = PHYADDR; + else { + mb->iac = ADDRCHG | PHYADDR; + while ((mb->iac & ADDRCHG) != 0) + ; + } + for (i = 0; i < 6; ++i) + mb->padr = dev->dev_addr[i] = p[i]; + if (mp->chipid != BROKEN_ADDRCHG_REV) + mb->iac = 0; +} + +static int mace_set_address(struct net_device *dev, void *addr) +{ + struct mace_data *mp = netdev_priv(dev); + volatile struct mace *mb = mp->mace; unsigned long flags; u8 maccc; @@ -260,15 +359,10 @@ static int mace_set_address(struct net_device *dev, void *addr) maccc = mb->maccc; - /* load up the hardware address */ - mb->iac = ADDRCHG | PHYADDR; - while ((mb->iac & ADDRCHG) != 0); - - for (i = 0; i < 6; ++i) { - mb->padr = dev->dev_addr[i] = p[i]; - } + __mace_set_address(dev, addr); mb->maccc = maccc; + local_irq_restore(flags); return 0; @@ -281,31 +375,11 @@ static int mace_set_address(struct net_device *dev, void *addr) static int mace_open(struct net_device *dev) { - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); volatile struct mace *mb = mp->mace; -#if 0 - int i; - i = 200; - while (--i) { - mb->biucc = SWRST; - if (mb->biucc & SWRST) { - udelay(10); - continue; - } - break; - } - if (!i) { - printk(KERN_ERR "%s: software reset failed!!\n", dev->name); - return -EAGAIN; - } -#endif - - mb->biucc = XMTSP_64; - mb->fifocc = XMTFW_16 | RCVFW_64 | XMTFWU | RCVFWU | XMTBRST | RCVBRST; - mb->xmtfc = AUTO_PAD_XMIT; - mb->plscc = PORTSEL_AUI; - /* mb->utr = RTRD; */ + /* reset the chip */ + mace_reset(dev); if (request_irq(dev->irq, mace_interrupt, 0, dev->name, dev)) { printk(KERN_ERR "%s: can't get irq %d\n", dev->name, dev->irq); @@ -319,25 +393,21 @@ static int mace_open(struct net_device *dev) /* Allocate the DMA ring buffers */ - mp->rx_ring = (void *) __get_free_pages(GFP_KERNEL | GFP_DMA, N_RX_PAGES); - mp->tx_ring = (void *) __get_free_pages(GFP_KERNEL | GFP_DMA, 0); - - if (mp->tx_ring==NULL || mp->rx_ring==NULL) { - if (mp->rx_ring) free_pages((u32) mp->rx_ring, N_RX_PAGES); - if (mp->tx_ring) free_pages((u32) mp->tx_ring, 0); - free_irq(dev->irq, dev); - free_irq(mp->dma_intr, dev); - printk(KERN_ERR "%s: unable to allocate DMA buffers\n", dev->name); - return -ENOMEM; + mp->tx_ring = dma_alloc_coherent(mp->device, + N_TX_RING * MACE_BUFF_SIZE, + &mp->tx_ring_phys, GFP_KERNEL); + if (mp->tx_ring == NULL) { + printk(KERN_ERR "%s: unable to allocate DMA tx buffers\n", dev->name); + goto out1; } - mp->rx_ring_phys = (unsigned char *) virt_to_bus((void *)mp->rx_ring); - mp->tx_ring_phys = (unsigned char *) virt_to_bus((void *)mp->tx_ring); - - /* We want the Rx buffer to be uncached and the Tx buffer to be writethrough */ - - kernel_set_cachemode((void *)mp->rx_ring, N_RX_PAGES * PAGE_SIZE, IOMAP_NOCACHE_NONSER); - kernel_set_cachemode((void *)mp->tx_ring, PAGE_SIZE, IOMAP_WRITETHROUGH); + mp->rx_ring = dma_alloc_coherent(mp->device, + N_RX_RING * MACE_BUFF_SIZE, + &mp->rx_ring_phys, GFP_KERNEL); + if (mp->rx_ring == NULL) { + printk(KERN_ERR "%s: unable to allocate DMA rx buffers\n", dev->name); + goto out2; + } mace_dma_off(dev); @@ -348,34 +418,22 @@ static int mace_open(struct net_device *dev) psc_write_word(PSC_ENETWR_CTL, 0x0400); psc_write_word(PSC_ENETRD_CTL, 0x0400); -#if 0 - /* load up the hardware address */ - - mb->iac = ADDRCHG | PHYADDR; - - while ((mb->iac & ADDRCHG) != 0); - - for (i = 0; i < 6; ++i) - mb->padr = dev->dev_addr[i]; - - /* clear the multicast filter */ - mb->iac = ADDRCHG | LOGADDR; - - while ((mb->iac & ADDRCHG) != 0); - - for (i = 0; i < 8; ++i) - mb->ladrf = 0; - - mb->plscc = PORTSEL_GPSI + ENPLSIO; - - mb->maccc = ENXMT | ENRCV; - mb->imr = RCVINT; -#endif - mace_rxdma_reset(dev); mace_txdma_reset(dev); + /* turn it on! */ + mb->maccc = ENXMT | ENRCV; + /* enable all interrupts except receive interrupts */ + mb->imr = RCVINT; return 0; + +out2: + dma_free_coherent(mp->device, N_TX_RING * MACE_BUFF_SIZE, + mp->tx_ring, mp->tx_ring_phys); +out1: + free_irq(dev->irq, dev); + free_irq(mp->dma_intr, dev); + return -ENOMEM; } /* @@ -384,19 +442,13 @@ static int mace_open(struct net_device *dev) static int mace_close(struct net_device *dev) { - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); volatile struct mace *mb = mp->mace; mb->maccc = 0; /* disable rx and tx */ mb->imr = 0xFF; /* disable all irqs */ mace_dma_off(dev); /* disable rx and tx dma */ - free_irq(dev->irq, dev); - free_irq(IRQ_MAC_MACE_DMA, dev); - - free_pages((u32) mp->rx_ring, N_RX_PAGES); - free_pages((u32) mp->tx_ring, 0); - return 0; } @@ -406,15 +458,20 @@ static int mace_close(struct net_device *dev) static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev) { - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); + unsigned long flags; - /* Stop the queue if the buffer is full */ + /* Stop the queue since there's only the one buffer */ + local_irq_save(flags); + netif_stop_queue(dev); if (!mp->tx_count) { - netif_stop_queue(dev); - return 1; + printk(KERN_ERR "macmace: tx queue running but no free buffers.\n"); + local_irq_restore(flags); + return NETDEV_TX_BUSY; } mp->tx_count--; + local_irq_restore(flags); mp->stats.tx_packets++; mp->stats.tx_bytes += skb->len; @@ -432,23 +489,26 @@ static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb(skb); - return 0; + dev->trans_start = jiffies; + return NETDEV_TX_OK; } static struct net_device_stats *mace_stats(struct net_device *dev) { - struct mace_data *p = (struct mace_data *) dev->priv; - return &p->stats; + struct mace_data *mp = netdev_priv(dev); + return &mp->stats; } static void mace_set_multicast(struct net_device *dev) { - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); volatile struct mace *mb = mp->mace; int i, j; u32 crc; u8 maccc; + unsigned long flags; + local_irq_save(flags); maccc = mb->maccc; mb->maccc &= ~PROM; @@ -473,116 +533,122 @@ static void mace_set_multicast(struct net_device *dev) } } - mb->iac = ADDRCHG | LOGADDR; - while (mb->iac & ADDRCHG); - - for (i = 0; i < 8; ++i) { - mb->ladrf = multicast_filter[i]; + if (mp->chipid == BROKEN_ADDRCHG_REV) + mb->iac = LOGADDR; + else { + mb->iac = ADDRCHG | LOGADDR; + while ((mb->iac & ADDRCHG) != 0) + ; } + for (i = 0; i < 8; ++i) + mb->ladrf = multicast_filter[i]; + if (mp->chipid != BROKEN_ADDRCHG_REV) + mb->iac = 0; } mb->maccc = maccc; + local_irq_restore(flags); } -/* - * Miscellaneous interrupts are handled here. We may end up - * having to bash the chip on the head for bad errors - */ - static void mace_handle_misc_intrs(struct mace_data *mp, int intr) { volatile struct mace *mb = mp->mace; static int mace_babbles, mace_jabbers; - if (intr & MPCO) { + if (intr & MPCO) mp->stats.rx_missed_errors += 256; - } - mp->stats.rx_missed_errors += mb->mpc; /* reading clears it */ - - if (intr & RNTPCO) { + mp->stats.rx_missed_errors += mb->mpc; /* reading clears it */ + if (intr & RNTPCO) mp->stats.rx_length_errors += 256; - } - mp->stats.rx_length_errors += mb->rntpc; /* reading clears it */ - - if (intr & CERR) { + mp->stats.rx_length_errors += mb->rntpc; /* reading clears it */ + if (intr & CERR) ++mp->stats.tx_heartbeat_errors; - } - if (intr & BABBLE) { - if (mace_babbles++ < 4) { - printk(KERN_DEBUG "mace: babbling transmitter\n"); - } - } - if (intr & JABBER) { - if (mace_jabbers++ < 4) { - printk(KERN_DEBUG "mace: jabbering transceiver\n"); - } - } + if (intr & BABBLE) + if (mace_babbles++ < 4) + printk(KERN_DEBUG "macmace: babbling transmitter\n"); + if (intr & JABBER) + if (mace_jabbers++ < 4) + printk(KERN_DEBUG "macmace: jabbering transceiver\n"); } -/* - * A transmit error has occurred. (We kick the transmit side from - * the DMA completion) - */ - -static void mace_xmit_error(struct net_device *dev) +static irqreturn_t mace_interrupt(int irq, void *dev_id) { - struct mace_data *mp = (struct mace_data *) dev->priv; + struct net_device *dev = (struct net_device *) dev_id; + struct mace_data *mp = netdev_priv(dev); volatile struct mace *mb = mp->mace; - u8 xmtfs, xmtrc; + int intr, fs; + unsigned int flags; - xmtfs = mb->xmtfs; - xmtrc = mb->xmtrc; + /* don't want the dma interrupt handler to fire */ + local_irq_save(flags); - if (xmtfs & XMTSV) { - if (xmtfs & UFLO) { - printk("%s: DMA underrun.\n", dev->name); - mp->stats.tx_errors++; - mp->stats.tx_fifo_errors++; - mace_txdma_reset(dev); + intr = mb->ir; /* read interrupt register */ + mace_handle_misc_intrs(mp, intr); + + if (intr & XMTINT) { + fs = mb->xmtfs; + if ((fs & XMTSV) == 0) { + printk(KERN_ERR "macmace: xmtfs not valid! (fs=%x)\n", fs); + mace_reset(dev); + /* + * XXX mace likes to hang the machine after a xmtfs error. + * This is hard to reproduce, reseting *may* help + */ } - if (xmtfs & RTRY) { - mp->stats.collisions++; + /* dma should have finished */ + if (!mp->tx_count) { + printk(KERN_DEBUG "macmace: tx ring ran out? (fs=%x)\n", fs); + } + /* Update stats */ + if (fs & (UFLO|LCOL|LCAR|RTRY)) { + ++mp->stats.tx_errors; + if (fs & LCAR) + ++mp->stats.tx_carrier_errors; + else if (fs & (UFLO|LCOL|RTRY)) { + ++mp->stats.tx_aborted_errors; + if (mb->xmtfs & UFLO) { + printk(KERN_ERR "%s: DMA underrun.\n", dev->name); + mp->stats.tx_fifo_errors++; + mace_txdma_reset(dev); + } + } } } -} -/* - * A receive interrupt occurred. - */ + if (mp->tx_count) + netif_wake_queue(dev); -static void mace_recv_interrupt(struct net_device *dev) -{ -/* struct mace_data *mp = (struct mace_data *) dev->priv; */ -// volatile struct mace *mb = mp->mace; -} + local_irq_restore(flags); -/* - * Process the chip interrupt - */ + return IRQ_HANDLED; +} -static irqreturn_t mace_interrupt(int irq, void *dev_id) +static void mace_tx_timeout(struct net_device *dev) { - struct net_device *dev = (struct net_device *) dev_id; - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); volatile struct mace *mb = mp->mace; - u8 ir; + unsigned long flags; - ir = mb->ir; - mace_handle_misc_intrs(mp, ir); + local_irq_save(flags); - if (ir & XMTINT) { - mace_xmit_error(dev); - } - if (ir & RCVINT) { - mace_recv_interrupt(dev); - } - return IRQ_HANDLED; -} + /* turn off both tx and rx and reset the chip */ + mb->maccc = 0; + printk(KERN_ERR "macmace: transmit timeout - resetting\n"); + mace_txdma_reset(dev); + mace_reset(dev); -static void mace_tx_timeout(struct net_device *dev) -{ -/* struct mace_data *mp = (struct mace_data *) dev->priv; */ -// volatile struct mace *mb = mp->mace; + /* restart rx dma */ + mace_rxdma_reset(dev); + + mp->tx_count = N_TX_RING; + netif_wake_queue(dev); + + /* turn it on! */ + mb->maccc = ENXMT | ENRCV; + /* enable all interrupts except receive interrupts */ + mb->imr = RCVINT; + + local_irq_restore(flags); } /* @@ -591,40 +657,39 @@ static void mace_tx_timeout(struct net_device *dev) static void mace_dma_rx_frame(struct net_device *dev, struct mace_frame *mf) { - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); struct sk_buff *skb; + unsigned int frame_status = mf->rcvsts; - if (mf->status & RS_OFLO) { - printk("%s: fifo overflow.\n", dev->name); - mp->stats.rx_errors++; - mp->stats.rx_fifo_errors++; - } - if (mf->status&(RS_CLSN|RS_FRAMERR|RS_FCSERR)) + if (frame_status & (RS_OFLO | RS_CLSN | RS_FRAMERR | RS_FCSERR)) { mp->stats.rx_errors++; + if (frame_status & RS_OFLO) { + printk(KERN_DEBUG "%s: fifo overflow.\n", dev->name); + mp->stats.rx_fifo_errors++; + } + if (frame_status & RS_CLSN) + mp->stats.collisions++; + if (frame_status & RS_FRAMERR) + mp->stats.rx_frame_errors++; + if (frame_status & RS_FCSERR) + mp->stats.rx_crc_errors++; + } else { + unsigned int frame_length = mf->rcvcnt + ((frame_status & 0x0F) << 8 ); - if (mf->status&RS_CLSN) { - mp->stats.collisions++; - } - if (mf->status&RS_FRAMERR) { - mp->stats.rx_frame_errors++; - } - if (mf->status&RS_FCSERR) { - mp->stats.rx_crc_errors++; - } - - skb = dev_alloc_skb(mf->len+2); - if (!skb) { - mp->stats.rx_dropped++; - return; + skb = dev_alloc_skb(frame_length + 2); + if (!skb) { + mp->stats.rx_dropped++; + return; + } + skb_reserve(skb, 2); + memcpy(skb_put(skb, frame_length), mf->data, frame_length); + + skb->protocol = eth_type_trans(skb, dev); + netif_rx(skb); + dev->last_rx = jiffies; + mp->stats.rx_packets++; + mp->stats.rx_bytes += frame_length; } - skb_reserve(skb,2); - memcpy(skb_put(skb, mf->len), mf->data, mf->len); - - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - dev->last_rx = jiffies; - mp->stats.rx_packets++; - mp->stats.rx_bytes += mf->len; } /* @@ -634,7 +699,7 @@ static void mace_dma_rx_frame(struct net_device *dev, struct mace_frame *mf) static irqreturn_t mace_dma_intr(int irq, void *dev_id) { struct net_device *dev = (struct net_device *) dev_id; - struct mace_data *mp = (struct mace_data *) dev->priv; + struct mace_data *mp = netdev_priv(dev); int left, head; u16 status; u32 baka; @@ -661,7 +726,8 @@ static irqreturn_t mace_dma_intr(int irq, void *dev_id) /* Loop through the ring buffer and process new packages */ while (mp->rx_tail < head) { - mace_dma_rx_frame(dev, (struct mace_frame *) (mp->rx_ring + (mp->rx_tail * 0x0800))); + mace_dma_rx_frame(dev, (struct mace_frame*) (mp->rx_ring + + (mp->rx_tail * MACE_BUFF_SIZE))); mp->rx_tail++; } @@ -688,9 +754,76 @@ static irqreturn_t mace_dma_intr(int irq, void *dev_id) psc_write_word(PSC_ENETWR_CMD + mp->tx_sloti, 0x0100); mp->tx_sloti ^= 0x10; mp->tx_count++; - netif_wake_queue(dev); } return IRQ_HANDLED; } MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Macintosh MACE ethernet driver"); + +static int __devexit mac_mace_device_remove (struct platform_device *pdev) +{ + struct net_device *dev = platform_get_drvdata(pdev); + struct mace_data *mp = netdev_priv(dev); + + unregister_netdev(dev); + + free_irq(dev->irq, dev); + free_irq(IRQ_MAC_MACE_DMA, dev); + + dma_free_coherent(mp->device, N_RX_RING * MACE_BUFF_SIZE, + mp->rx_ring, mp->rx_ring_phys); + dma_free_coherent(mp->device, N_TX_RING * MACE_BUFF_SIZE, + mp->tx_ring, mp->tx_ring_phys); + + free_netdev(dev); + + return 0; +} + +static struct platform_driver mac_mace_driver = { + .probe = mace_probe, + .remove = __devexit_p(mac_mace_device_remove), + .driver = { + .name = mac_mace_string, + }, +}; + +static int __init mac_mace_init_module(void) +{ + int err; + + if ((err = platform_driver_register(&mac_mace_driver))) { + printk(KERN_ERR "Driver registration failed\n"); + return err; + } + + mac_mace_device = platform_device_alloc(mac_mace_string, 0); + if (!mac_mace_device) + goto out_unregister; + + if (platform_device_add(mac_mace_device)) { + platform_device_put(mac_mace_device); + mac_mace_device = NULL; + } + + return 0; + +out_unregister: + platform_driver_unregister(&mac_mace_driver); + + return -ENOMEM; +} + +static void __exit mac_mace_cleanup_module(void) +{ + platform_driver_unregister(&mac_mace_driver); + + if (mac_mace_device) { + platform_device_unregister(mac_mace_device); + mac_mace_device = NULL; + } +} + +module_init(mac_mace_init_module); +module_exit(mac_mace_cleanup_module); diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c index 8ca57a0a4c1..e9ecdbf352a 100644 --- a/drivers/net/macsonic.c +++ b/drivers/net/macsonic.c @@ -130,6 +130,46 @@ static inline void bit_reverse_addr(unsigned char addr[6]) addr[i] = bitrev8(addr[i]); } +static irqreturn_t macsonic_interrupt(int irq, void *dev_id) +{ + irqreturn_t result; + unsigned long flags; + + local_irq_save(flags); + result = sonic_interrupt(irq, dev_id); + local_irq_restore(flags); + return result; +} + +static int macsonic_open(struct net_device* dev) +{ + if (request_irq(dev->irq, &sonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) { + printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq); + return -EAGAIN; + } + /* Under the A/UX interrupt scheme, the onboard SONIC interrupt comes + * in at priority level 3. However, we sometimes get the level 2 inter- + * rupt as well, which must prevent re-entrance of the sonic handler. + */ + if (dev->irq == IRQ_AUTO_3) + if (request_irq(IRQ_NUBUS_9, &macsonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) { + printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, IRQ_NUBUS_9); + free_irq(dev->irq, dev); + return -EAGAIN; + } + return sonic_open(dev); +} + +static int macsonic_close(struct net_device* dev) +{ + int err; + err = sonic_close(dev); + free_irq(dev->irq, dev); + if (dev->irq == IRQ_AUTO_3) + free_irq(IRQ_NUBUS_9, dev); + return err; +} + int __init macsonic_init(struct net_device* dev) { struct sonic_local* lp = netdev_priv(dev); @@ -160,8 +200,8 @@ int __init macsonic_init(struct net_device* dev) lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS * SONIC_BUS_SCALE(lp->dma_bitmode)); - dev->open = sonic_open; - dev->stop = sonic_close; + dev->open = macsonic_open; + dev->stop = macsonic_close; dev->hard_start_xmit = sonic_send_packet; dev->get_stats = sonic_get_stats; dev->set_multicast_list = &sonic_multicast_list; @@ -402,7 +442,7 @@ int __init macsonic_ident(struct nubus_dev* ndev) ndev->dr_sw == NUBUS_DRSW_DAYNA) return MACSONIC_DAYNA; - if (ndev->dr_hw == NUBUS_DRHW_SONIC_LC && + if (ndev->dr_hw == NUBUS_DRHW_APPLE_SONIC_LC && ndev->dr_sw == 0) { /* huh? */ return MACSONIC_APPLE16; } @@ -522,7 +562,7 @@ int __init mac_nubus_sonic_probe(struct net_device* dev) return macsonic_init(dev); } -static int __init mac_sonic_probe(struct platform_device *device) +static int __init mac_sonic_probe(struct platform_device *pdev) { struct net_device *dev; struct sonic_local *lp; @@ -534,8 +574,8 @@ static int __init mac_sonic_probe(struct platform_device *device) return -ENOMEM; lp = netdev_priv(dev); - lp->device = &device->dev; - SET_NETDEV_DEV(dev, &device->dev); + lp->device = &pdev->dev; + SET_NETDEV_DEV(dev, &pdev->dev); SET_MODULE_OWNER(dev); /* This will catch fatal stuff like -ENOMEM as well as success */ @@ -572,19 +612,17 @@ MODULE_DESCRIPTION("Macintosh SONIC ethernet driver"); module_param(sonic_debug, int, 0); MODULE_PARM_DESC(sonic_debug, "macsonic debug level (1-4)"); -#define SONIC_IRQ_FLAG IRQ_FLG_FAST - #include "sonic.c" -static int __devexit mac_sonic_device_remove (struct platform_device *device) +static int __devexit mac_sonic_device_remove (struct platform_device *pdev) { - struct net_device *dev = platform_get_drvdata(device); + struct net_device *dev = platform_get_drvdata(pdev); struct sonic_local* lp = netdev_priv(dev); - unregister_netdev (dev); + unregister_netdev(dev); dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), lp->descriptors, lp->descriptors_laddr); - free_netdev (dev); + free_netdev(dev); return 0; } @@ -607,9 +645,8 @@ static int __init mac_sonic_init_module(void) } mac_sonic_device = platform_device_alloc(mac_sonic_string, 0); - if (!mac_sonic_device) { + if (!mac_sonic_device) goto out_unregister; - } if (platform_device_add(mac_sonic_device)) { platform_device_put(mac_sonic_device); diff --git a/drivers/net/sonic.c b/drivers/net/sonic.c index c6320c71993..8069f3e32d8 100644 --- a/drivers/net/sonic.c +++ b/drivers/net/sonic.c @@ -50,29 +50,6 @@ static int sonic_open(struct net_device *dev) if (sonic_debug > 2) printk("sonic_open: initializing sonic driver.\n"); - /* - * We don't need to deal with auto-irq stuff since we - * hardwire the sonic interrupt. - */ -/* - * XXX Horrible work around: We install sonic_interrupt as fast interrupt. - * This means that during execution of the handler interrupt are disabled - * covering another bug otherwise corrupting data. This doesn't mean - * this glue works ok under all situations. - * - * Note (dhd): this also appears to prevent lockups on the Macintrash - * when more than one Ethernet card is installed (knock on wood) - * - * Note (fthain): whether the above is still true is anyones guess. Certainly - * the buffer handling algorithms will not tolerate re-entrance without some - * mutual exclusion added. Anyway, the memcpy has now been eliminated from the - * rx code to make this a faster "fast interrupt". - */ - if (request_irq(dev->irq, &sonic_interrupt, SONIC_IRQ_FLAG, "sonic", dev)) { - printk(KERN_ERR "\n%s: unable to get IRQ %d .\n", dev->name, dev->irq); - return -EAGAIN; - } - for (i = 0; i < SONIC_NUM_RRS; i++) { struct sk_buff *skb = dev_alloc_skb(SONIC_RBSIZE + 2); if (skb == NULL) { @@ -169,8 +146,6 @@ static int sonic_close(struct net_device *dev) } } - free_irq(dev->irq, dev); /* release the IRQ */ - return 0; } @@ -178,8 +153,13 @@ static void sonic_tx_timeout(struct net_device *dev) { struct sonic_local *lp = netdev_priv(dev); int i; - /* Stop the interrupts for this */ + /* + * put the Sonic into software-reset mode and + * disable all interrupts before releasing DMA buffers + */ SONIC_WRITE(SONIC_IMR, 0); + SONIC_WRITE(SONIC_ISR, 0x7fff); + SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); /* We could resend the original skbs. Easier to re-initialise. */ for (i = 0; i < SONIC_NUM_TDS; i++) { if(lp->tx_laddr[i]) { diff --git a/drivers/net/sun3_82586.c b/drivers/net/sun3_82586.c index 396c3d961f8..a123ea87893 100644 --- a/drivers/net/sun3_82586.c +++ b/drivers/net/sun3_82586.c @@ -1023,10 +1023,11 @@ static int sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev) { len = skb->len; if (len < ETH_ZLEN) { - memset((char *)p->xmit_cbuffs[p->xmit_count], 0, ETH_ZLEN); + memset((void *)p->xmit_cbuffs[p->xmit_count], 0, + ETH_ZLEN); len = ETH_ZLEN; } - skb_copy_from_linear_data(skb, p->xmit_cbuffs[p->xmit_count], skb->len); + skb_copy_from_linear_data(skb, (void *)p->xmit_cbuffs[p->xmit_count], skb->len); #if (NUM_XMIT_BUFFS == 1) # ifdef NO_NOPCOMMANDS |