patch-2_6_7-vs1_9_1_12
[linux-2.6.git] / drivers / net / acenic.c
index 55717e5..51cf164 100644 (file)
 #define PCI_DEVICE_ID_SGI_ACENIC       0x0009
 #endif
 
-#if LINUX_VERSION_CODE >= 0x20400
 static struct pci_device_id acenic_pci_tbl[] = {
        { PCI_VENDOR_ID_ALTEON, PCI_DEVICE_ID_ALTEON_ACENIC_FIBRE,
          PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_NETWORK_ETHERNET << 8, 0xffff00, },
@@ -156,37 +155,6 @@ static struct pci_device_id acenic_pci_tbl[] = {
        { }
 };
 MODULE_DEVICE_TABLE(pci, acenic_pci_tbl);
-#endif
-
-
-#ifndef MODULE_LICENSE
-#define MODULE_LICENSE(a)
-#endif
-
-#ifndef wmb
-#define wmb()  mb()
-#endif
-
-#ifndef __exit
-#define __exit
-#endif
-
-#ifndef __devinit
-#define __devinit      __init
-#endif
-
-#ifndef SMP_CACHE_BYTES
-#define SMP_CACHE_BYTES        L1_CACHE_BYTES
-#endif
-
-#ifndef SET_MODULE_OWNER
-#define SET_MODULE_OWNER(dev)          do{} while(0)
-#define ACE_MOD_INC_USE_COUNT          MOD_INC_USE_COUNT
-#define ACE_MOD_DEC_USE_COUNT          MOD_DEC_USE_COUNT
-#else
-#define ACE_MOD_INC_USE_COUNT          do{} while(0)
-#define ACE_MOD_DEC_USE_COUNT          do{} while(0)
-#endif
 
 #ifndef SET_NETDEV_DEV
 #define SET_NETDEV_DEV(net, pdev)      do{} while(0)
@@ -198,151 +166,8 @@ MODULE_DEVICE_TABLE(pci, acenic_pci_tbl);
 #define ace_sync_irq(irq)      synchronize_irq()
 #endif
 
-#if LINUX_VERSION_CODE < 0x2051e
-#define local_irq_save(flags)          do{__save_flags(flags) ; \
-                                          __cli();} while(0)
-#define local_irq_restore(flags)       __restore_flags(flags)
-#endif
-
-#if (LINUX_VERSION_CODE < 0x02030d)
-#define pci_resource_start(dev, bar)   dev->base_address[bar]
-#elif (LINUX_VERSION_CODE < 0x02032c)
-#define pci_resource_start(dev, bar)   dev->resource[bar].start
-#endif
-
-#if (LINUX_VERSION_CODE < 0x02030e)
-#define net_device device
-#endif
-
-
-#if (LINUX_VERSION_CODE < 0x02032a)
-typedef u32 dma_addr_t;
-
-static inline void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
-                                        dma_addr_t *dma_handle)
-{
-       void *virt_ptr;
-
-       virt_ptr = kmalloc(size, GFP_KERNEL);
-       if (!virt_ptr)
-               return NULL;
-       *dma_handle = virt_to_bus(virt_ptr);
-       return virt_ptr;
-}
-
-#define pci_free_consistent(cookie, size, ptr, dma_ptr)        kfree(ptr)
-#define pci_map_page(cookie, page, off, size, dir)     \
-       virt_to_bus(page_address(page)+(off))
-#define pci_unmap_page(cookie, address, size, dir)
-#define pci_set_dma_mask(dev, mask)            \
-       (((u64)(mask) & 0xffffffff00000000) == 0 ? 0 : -EIO)
-#define pci_dma_supported(dev, mask)           \
-       (((u64)(mask) & 0xffffffff00000000) == 0 ? 1 : 0)
-
-#elif (LINUX_VERSION_CODE < 0x02040d)
-
-/*
- * 2.4.13 introduced pci_map_page()/pci_unmap_page() - for 2.4.12 and prior,
- * fall back on pci_map_single()/pci_unnmap_single().
- *
- * We are guaranteed that the page is mapped at this point since
- * pci_map_page() is only used upon valid struct skb's.
- */
-static inline dma_addr_t
-pci_map_page(struct pci_dev *cookie, struct page *page, unsigned long off,
-            size_t size, int dir)
-{
-       void *page_virt;
-
-       page_virt = page_address(page);
-       if (!page_virt)
-               BUG();
-       return pci_map_single(cookie, (page_virt + off), size, dir);
-}
-#define pci_unmap_page(cookie, dma_addr, size, dir)    \
-       pci_unmap_single(cookie, dma_addr, size, dir)
-#endif
-
-#if (LINUX_VERSION_CODE < 0x020412)
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)         0
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)        do{} while(0)
-#define pci_unmap_len(PTR, LEN_NAME)           0
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)  do{} while(0)
-#endif
-
-
-#if (LINUX_VERSION_CODE < 0x02032b)
-/*
- * SoftNet
- *
- * For pre-softnet kernels we need to tell the upper layer not to
- * re-enter start_xmit() while we are in there. However softnet
- * guarantees not to enter while we are in there so there is no need
- * to do the netif_stop_queue() dance unless the transmit queue really
- * gets stuck. This should also improve performance according to tests
- * done by Aman Singla.
- */
-#define dev_kfree_skb_irq(a)                   dev_kfree_skb(a)
-#define netif_wake_queue(dev)                  clear_bit(0, &dev->tbusy)
-#define netif_stop_queue(dev)                  set_bit(0, &dev->tbusy)
-#define late_stop_netif_stop_queue(dev)                do{} while(0)
-#define early_stop_netif_stop_queue(dev)       test_and_set_bit(0,&dev->tbusy)
-#define early_stop_netif_wake_queue(dev)       netif_wake_queue(dev)
-
-static inline void netif_start_queue(struct net_device *dev)
-{
-       dev->tbusy = 0;
-       dev->interrupt = 0;
-       dev->start = 1;
-}
-
-#define ace_mark_net_bh()                      mark_bh(NET_BH)
-#define netif_queue_stopped(dev)               dev->tbusy
-#define netif_running(dev)                     dev->start
-#define ace_if_down(dev)                       do{dev->start = 0;} while(0)
-
-#define tasklet_struct                         tq_struct
-static inline void tasklet_schedule(struct tasklet_struct *tasklet)
-{
-       queue_task(tasklet, &tq_immediate);
-       mark_bh(IMMEDIATE_BH);
-}
-
-static inline void tasklet_init(struct tasklet_struct *tasklet,
-                               void (*func)(unsigned long),
-                               unsigned long data)
-{
-       tasklet->next = NULL;
-       tasklet->sync = 0;
-       tasklet->routine = (void (*)(void *))func;
-       tasklet->data = (void *)data;
-}
-#define tasklet_kill(tasklet)                  do{} while(0)
-#else
-#define late_stop_netif_stop_queue(dev)                netif_stop_queue(dev)
-#define early_stop_netif_stop_queue(dev)       0
-#define early_stop_netif_wake_queue(dev)       do{} while(0)
-#define ace_mark_net_bh()                      do{} while(0)
-#define ace_if_down(dev)                       do{} while(0)
-#endif
-
-#if (LINUX_VERSION_CODE >= 0x02031b)
-#define NEW_NETINIT
-#define ACE_PROBE_ARG                          void
-#else
-#define ACE_PROBE_ARG                          struct net_device *dev
-#endif
-
-#ifndef min_t
-#define min_t(type,a,b)        (((a)<(b))?(a):(b))
-#endif
-
-#ifndef ARCH_HAS_PREFETCHW
-#ifndef prefetchw
-#define prefetchw(x)                           do{} while(0)
-#endif
+#ifndef offset_in_page
+#define offset_in_page(ptr)    ((unsigned long)(ptr) & ~PAGE_MASK)
 #endif
 
 #define ACE_MAX_MOD_PARMS      8
@@ -595,407 +420,323 @@ static int max_rx_desc[ACE_MAX_MOD_PARMS];
 static int tx_ratio[ACE_MAX_MOD_PARMS];
 static int dis_pci_mem_inval[ACE_MAX_MOD_PARMS] = {1, 1, 1, 1, 1, 1, 1, 1};
 
+MODULE_AUTHOR("Jes Sorensen <jes@trained-monkey.org>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("AceNIC/3C985/GA620 Gigabit Ethernet driver");
+MODULE_PARM(link, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(trace, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(tx_coal_tick, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(max_tx_desc, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(rx_coal_tick, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(max_rx_desc, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(tx_ratio, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM_DESC(link, "AceNIC/3C985/NetGear link state");
+MODULE_PARM_DESC(trace, "AceNIC/3C985/NetGear firmware trace level");
+MODULE_PARM_DESC(tx_coal_tick, "AceNIC/3C985/GA620 max clock ticks to wait from first tx descriptor arrives");
+MODULE_PARM_DESC(max_tx_desc, "AceNIC/3C985/GA620 max number of transmit descriptors to wait");
+MODULE_PARM_DESC(rx_coal_tick, "AceNIC/3C985/GA620 max clock ticks to wait from first rx descriptor arrives");
+MODULE_PARM_DESC(max_rx_desc, "AceNIC/3C985/GA620 max number of receive descriptors to wait");
+MODULE_PARM_DESC(tx_ratio, "AceNIC/3C985/GA620 ratio of NIC memory used for TX/RX descriptors (range 0-63)");
+
+
 static char version[] __initdata = 
   "acenic.c: v0.92 08/05/2002  Jes Sorensen, linux-acenic@SunSITE.dk\n"
   "                            http://home.cern.ch/~jes/gige/acenic.html\n";
 
-static struct net_device *root_dev;
-
-static int probed __initdata = 0;
-
-
-int __devinit acenic_probe (ACE_PROBE_ARG)
+static int __devinit acenic_probe_one(struct pci_dev *pdev,
+               const struct pci_device_id *id)
 {
-#ifdef NEW_NETINIT
        struct net_device *dev;
-#endif
        struct ace_private *ap;
-       struct pci_dev *pdev = NULL;
-       int boards_found = 0;
-       int version_disp;
-
-       if (probed)
-               return -ENODEV;
-       probed++;
-
-       version_disp = 0;
-
-       while ((pdev = pci_find_class(PCI_CLASS_NETWORK_ETHERNET<<8, pdev))) {
-
-               if (!((pdev->vendor == PCI_VENDOR_ID_ALTEON) &&
-                     ((pdev->device == PCI_DEVICE_ID_ALTEON_ACENIC_FIBRE) ||
-                      (pdev->device == PCI_DEVICE_ID_ALTEON_ACENIC_COPPER)))&&
-                   !((pdev->vendor == PCI_VENDOR_ID_3COM) &&
-                     (pdev->device == PCI_DEVICE_ID_3COM_3C985)) &&
-                   !((pdev->vendor == PCI_VENDOR_ID_NETGEAR) &&
-                     ((pdev->device == PCI_DEVICE_ID_NETGEAR_GA620) || 
-                      (pdev->device == PCI_DEVICE_ID_NETGEAR_GA620T))) &&
-               /*
-                * Farallon used the DEC vendor ID on their cards by
-                * mistake for a while
-                */
-                   !((pdev->vendor == PCI_VENDOR_ID_DEC) &&
-                     (pdev->device == PCI_DEVICE_ID_FARALLON_PN9000SX)) &&
-                   !((pdev->vendor == PCI_VENDOR_ID_ALTEON) &&
-                     (pdev->device == PCI_DEVICE_ID_FARALLON_PN9100T)) &&
-                   !((pdev->vendor == PCI_VENDOR_ID_SGI) &&
-                     (pdev->device == PCI_DEVICE_ID_SGI_ACENIC)))
-                       continue;
-
-               dev = alloc_etherdev(sizeof(struct ace_private));
-               if (dev == NULL) {
-                       printk(KERN_ERR "acenic: Unable to allocate "
-                              "net_device structure!\n");
-                       break;
-               }
+       static int boards_found;
 
-               SET_MODULE_OWNER(dev);
-               SET_NETDEV_DEV(dev, &pdev->dev);
+       dev = alloc_etherdev(sizeof(struct ace_private));
+       if (dev == NULL) {
+               printk(KERN_ERR "acenic: Unable to allocate "
+                      "net_device structure!\n");
+               return -ENOMEM;
+       }
 
-               ap = dev->priv;
-               ap->pdev = pdev;
+       SET_MODULE_OWNER(dev);
+       SET_NETDEV_DEV(dev, &pdev->dev);
 
-               dev->open = &ace_open;
-               dev->hard_start_xmit = &ace_start_xmit;
-               dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+       ap = dev->priv;
+       ap->pdev = pdev;
+
+       dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
 #if ACENIC_DO_VLAN
-               dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
-               dev->vlan_rx_register = ace_vlan_rx_register;
-               dev->vlan_rx_kill_vid = ace_vlan_rx_kill_vid;
+       dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
+       dev->vlan_rx_register = ace_vlan_rx_register;
+       dev->vlan_rx_kill_vid = ace_vlan_rx_kill_vid;
 #endif
-               if (1) {
-                       static void ace_watchdog(struct net_device *dev);
-                       dev->tx_timeout = &ace_watchdog;
-                       dev->watchdog_timeo = 5*HZ;
-               }
-               dev->stop = &ace_close;
-               dev->get_stats = &ace_get_stats;
-               dev->set_multicast_list = &ace_set_multicast_list;
-               dev->do_ioctl = &ace_ioctl;
-               dev->set_mac_address = &ace_set_mac_addr;
-               dev->change_mtu = &ace_change_mtu;
-
-               /* display version info if adapter is found */
-               if (!version_disp)
-               {
-                       /* set display flag to TRUE so that */
-                       /* we only display this string ONCE */
-                       version_disp = 1;
-                       printk(version);
-               }
+       if (1) {
+               static void ace_watchdog(struct net_device *dev);
+               dev->tx_timeout = &ace_watchdog;
+               dev->watchdog_timeo = 5*HZ;
+       }
 
-               if (pci_enable_device(pdev)) {
-                       free_netdev(dev);
-                       continue;
-               }
+       dev->open = &ace_open;
+       dev->stop = &ace_close;
+       dev->hard_start_xmit = &ace_start_xmit;
+       dev->get_stats = &ace_get_stats;
+       dev->set_multicast_list = &ace_set_multicast_list;
+       dev->do_ioctl = &ace_ioctl;
+       dev->set_mac_address = &ace_set_mac_addr;
+       dev->change_mtu = &ace_change_mtu;
 
-               /*
-                * Enable master mode before we start playing with the
-                * pci_command word since pci_set_master() will modify
-                * it.
-                */
-               pci_set_master(pdev);
+       /* we only display this string ONCE */
+       if (!boards_found)
+               printk(version);
 
-               pci_read_config_word(pdev, PCI_COMMAND, &ap->pci_command);
+       if (pci_enable_device(pdev))
+               goto fail_free_netdev;
 
-               /* OpenFirmware on Mac's does not set this - DOH.. */ 
-               if (!(ap->pci_command & PCI_COMMAND_MEMORY)) {
-                       printk(KERN_INFO "%s: Enabling PCI Memory Mapped "
-                              "access - was not enabled by BIOS/Firmware\n",
-                              dev->name);
-                       ap->pci_command = ap->pci_command | PCI_COMMAND_MEMORY;
-                       pci_write_config_word(ap->pdev, PCI_COMMAND,
-                                             ap->pci_command);
-                       wmb();
-               }
+       /*
+        * Enable master mode before we start playing with the
+        * pci_command word since pci_set_master() will modify
+        * it.
+        */
+       pci_set_master(pdev);
 
-               pci_read_config_byte(pdev, PCI_LATENCY_TIMER,
-                                    &ap->pci_latency);
-               if (ap->pci_latency <= 0x40) {
-                       ap->pci_latency = 0x40;
-                       pci_write_config_byte(pdev, PCI_LATENCY_TIMER,
-                                             ap->pci_latency);
-               }
+       pci_read_config_word(pdev, PCI_COMMAND, &ap->pci_command);
 
-               /*
-                * Remap the regs into kernel space - this is abuse of
-                * dev->base_addr since it was means for I/O port
-                * addresses but who gives a damn.
-                */
-               dev->base_addr = pci_resource_start(pdev, 0);
-               ap->regs = (struct ace_regs *)ioremap(dev->base_addr, 0x4000);
-               if (!ap->regs) {
-                       printk(KERN_ERR "%s:  Unable to map I/O register, "
-                              "AceNIC %i will be disabled.\n",
-                              dev->name, boards_found);
-                       break;
-               }
+       /* OpenFirmware on Mac's does not set this - DOH.. */ 
+       if (!(ap->pci_command & PCI_COMMAND_MEMORY)) {
+               printk(KERN_INFO "%s: Enabling PCI Memory Mapped "
+                      "access - was not enabled by BIOS/Firmware\n",
+                      dev->name);
+               ap->pci_command = ap->pci_command | PCI_COMMAND_MEMORY;
+               pci_write_config_word(ap->pdev, PCI_COMMAND,
+                                     ap->pci_command);
+               wmb();
+       }
 
-               switch(pdev->vendor) {
-               case PCI_VENDOR_ID_ALTEON:
-                       if (pdev->device == PCI_DEVICE_ID_FARALLON_PN9100T) {
-                               strncpy(ap->name, "Farallon PN9100-T "
-                                       "Gigabit Ethernet", sizeof (ap->name));
-                               printk(KERN_INFO "%s: Farallon PN9100-T ",
-                                      dev->name);
-                       } else {
-                               strncpy(ap->name, "AceNIC Gigabit Ethernet",
-                                       sizeof (ap->name));
-                               printk(KERN_INFO "%s: Alteon AceNIC ",
-                                      dev->name);
-                       }
-                       break;
-               case PCI_VENDOR_ID_3COM:
-                       strncpy(ap->name, "3Com 3C985 Gigabit Ethernet",
-                               sizeof (ap->name));
-                       printk(KERN_INFO "%s: 3Com 3C985 ", dev->name);
-                       break;
-               case PCI_VENDOR_ID_NETGEAR:
-                       strncpy(ap->name, "NetGear GA620 Gigabit Ethernet",
-                               sizeof (ap->name));
-                       printk(KERN_INFO "%s: NetGear GA620 ", dev->name);
-                       break;
-               case PCI_VENDOR_ID_DEC:
-                       if (pdev->device == PCI_DEVICE_ID_FARALLON_PN9000SX) {
-                               strncpy(ap->name, "Farallon PN9000-SX "
-                                       "Gigabit Ethernet", sizeof (ap->name));
-                               printk(KERN_INFO "%s: Farallon PN9000-SX ",
-                                      dev->name);
-                               break;
-                       }
-               case PCI_VENDOR_ID_SGI:
-                       strncpy(ap->name, "SGI AceNIC Gigabit Ethernet",
+       pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &ap->pci_latency);
+       if (ap->pci_latency <= 0x40) {
+               ap->pci_latency = 0x40;
+               pci_write_config_byte(pdev, PCI_LATENCY_TIMER, ap->pci_latency);
+       }
+
+       /*
+        * Remap the regs into kernel space - this is abuse of
+        * dev->base_addr since it was means for I/O port
+        * addresses but who gives a damn.
+        */
+       dev->base_addr = pci_resource_start(pdev, 0);
+       ap->regs = (struct ace_regs *)ioremap(dev->base_addr, 0x4000);
+       if (!ap->regs) {
+               printk(KERN_ERR "%s:  Unable to map I/O register, "
+                      "AceNIC %i will be disabled.\n",
+                      dev->name, boards_found);
+               goto fail_free_netdev;
+       }
+
+       switch(pdev->vendor) {
+       case PCI_VENDOR_ID_ALTEON:
+               if (pdev->device == PCI_DEVICE_ID_FARALLON_PN9100T) {
+                       strncpy(ap->name, "Farallon PN9100-T "
+                               "Gigabit Ethernet", sizeof (ap->name));
+                       printk(KERN_INFO "%s: Farallon PN9100-T ",
+                              dev->name);
+               } else {
+                       strncpy(ap->name, "AceNIC Gigabit Ethernet",
                                sizeof (ap->name));
-                       printk(KERN_INFO "%s: SGI AceNIC ", dev->name);
-                       break;
-               default:
-                       strncpy(ap->name, "Unknown AceNIC based Gigabit "
-                               "Ethernet", sizeof (ap->name));
-                       printk(KERN_INFO "%s: Unknown AceNIC ", dev->name);
+                       printk(KERN_INFO "%s: Alteon AceNIC ",
+                              dev->name);
+               }
+               break;
+       case PCI_VENDOR_ID_3COM:
+               strncpy(ap->name, "3Com 3C985 Gigabit Ethernet",
+                       sizeof (ap->name));
+               printk(KERN_INFO "%s: 3Com 3C985 ", dev->name);
+               break;
+       case PCI_VENDOR_ID_NETGEAR:
+               strncpy(ap->name, "NetGear GA620 Gigabit Ethernet",
+                       sizeof (ap->name));
+               printk(KERN_INFO "%s: NetGear GA620 ", dev->name);
+               break;
+       case PCI_VENDOR_ID_DEC:
+               if (pdev->device == PCI_DEVICE_ID_FARALLON_PN9000SX) {
+                       strncpy(ap->name, "Farallon PN9000-SX "
+                               "Gigabit Ethernet", sizeof (ap->name));
+                       printk(KERN_INFO "%s: Farallon PN9000-SX ",
+                              dev->name);
                        break;
                }
-               ap->name [sizeof (ap->name) - 1] = '\0';
-               printk("Gigabit Ethernet at 0x%08lx, ", dev->base_addr);
+       case PCI_VENDOR_ID_SGI:
+               strncpy(ap->name, "SGI AceNIC Gigabit Ethernet",
+                       sizeof (ap->name));
+               printk(KERN_INFO "%s: SGI AceNIC ", dev->name);
+               break;
+       default:
+               strncpy(ap->name, "Unknown AceNIC based Gigabit "
+                       "Ethernet", sizeof (ap->name));
+               printk(KERN_INFO "%s: Unknown AceNIC ", dev->name);
+               break;
+       }
+
+       ap->name [sizeof (ap->name) - 1] = '\0';
+       printk("Gigabit Ethernet at 0x%08lx, ", dev->base_addr);
 #ifdef __sparc__
-               printk("irq %s\n", __irq_itoa(pdev->irq));
+       printk("irq %s\n", __irq_itoa(pdev->irq));
 #else
-               printk("irq %i\n", pdev->irq);
+       printk("irq %i\n", pdev->irq);
 #endif
 
 #ifdef CONFIG_ACENIC_OMIT_TIGON_I
-               if ((readl(&ap->regs->HostCtrl) >> 28) == 4) {
-                       printk(KERN_ERR "%s: Driver compiled without Tigon I"
-                              " support - NIC disabled\n", dev->name);
-                       ace_init_cleanup(dev);
-                       free_netdev(dev);
-                       continue;
-               }
+       if ((readl(&ap->regs->HostCtrl) >> 28) == 4) {
+               printk(KERN_ERR "%s: Driver compiled without Tigon I"
+                      " support - NIC disabled\n", dev->name);
+               goto fail_uninit;
+       }
 #endif
 
-               if (ace_allocate_descriptors(dev)) {
-                       /*
-                        * ace_allocate_descriptors() calls
-                        * ace_init_cleanup() on error.
-                        */
-                       free_netdev(dev);
-                       continue;
-               }
+       if (ace_allocate_descriptors(dev))
+               goto fail_free_netdev;
 
 #ifdef MODULE
-               if (boards_found >= ACE_MAX_MOD_PARMS)
-                       ap->board_idx = BOARD_IDX_OVERFLOW;
-               else
-                       ap->board_idx = boards_found;
+       if (boards_found >= ACE_MAX_MOD_PARMS)
+               ap->board_idx = BOARD_IDX_OVERFLOW;
+       else
+               ap->board_idx = boards_found;
 #else
-               ap->board_idx = BOARD_IDX_STATIC;
+       ap->board_idx = BOARD_IDX_STATIC;
 #endif
 
-               if (ace_init(dev)) {
-                       /*
-                        * ace_init() calls ace_init_cleanup() on error.
-                        */
-                       free_netdev(dev);
-                       continue;
-               }
-
-               if (register_netdev(dev)) {
-                       printk(KERN_ERR "acenic: device registration failed\n");
-                       ace_init_cleanup(dev);
-                       free_netdev(dev);
-                       continue;
-               }
-
-               if (ap->pci_using_dac)
-                       dev->features |= NETIF_F_HIGHDMA;
+       if (ace_init(dev))
+               goto fail_free_netdev;
 
-               boards_found++;
+       if (register_netdev(dev)) {
+               printk(KERN_ERR "acenic: device registration failed\n");
+               goto fail_uninit;
        }
 
-       /*
-        * If we're at this point we're going through ace_probe() for
-        * the first time.  Return success (0) if we've initialized 1
-        * or more boards. Otherwise, return failure (-ENODEV).
-        */
-
-       if (boards_found > 0)
-               return 0;
-       else
-               return -ENODEV;
-}
+       if (ap->pci_using_dac)
+               dev->features |= NETIF_F_HIGHDMA;
 
+       pci_set_drvdata(pdev, dev);
 
-#ifdef MODULE
-MODULE_AUTHOR("Jes Sorensen <jes@trained-monkey.org>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("AceNIC/3C985/GA620 Gigabit Ethernet driver");
-MODULE_PARM(link, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(trace, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(tx_coal_tick, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(max_tx_desc, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(rx_coal_tick, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(max_rx_desc, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(tx_ratio, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM_DESC(link, "AceNIC/3C985/NetGear link state");
-MODULE_PARM_DESC(trace, "AceNIC/3C985/NetGear firmware trace level");
-MODULE_PARM_DESC(tx_coal_tick, "AceNIC/3C985/GA620 max clock ticks to wait from first tx descriptor arrives");
-MODULE_PARM_DESC(max_tx_desc, "AceNIC/3C985/GA620 max number of transmit descriptors to wait");
-MODULE_PARM_DESC(rx_coal_tick, "AceNIC/3C985/GA620 max clock ticks to wait from first rx descriptor arrives");
-MODULE_PARM_DESC(max_rx_desc, "AceNIC/3C985/GA620 max number of receive descriptors to wait");
-MODULE_PARM_DESC(tx_ratio, "AceNIC/3C985/GA620 ratio of NIC memory used for TX/RX descriptors (range 0-63)");
-#endif
+       boards_found++;
+       return 0;
 
+ fail_uninit:
+       ace_init_cleanup(dev);
+ fail_free_netdev:
+       free_netdev(dev);
+       return -ENODEV;
+}
 
-static void __exit ace_module_cleanup(void)
+static void __devexit acenic_remove_one(struct pci_dev *pdev)
 {
-       struct ace_private *ap;
-       struct ace_regs *regs;
-       struct net_device *next;
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct ace_private *ap = dev->priv;
+       struct ace_regs *regs = ap->regs;
        short i;
 
-       while (root_dev) {
-               ap = root_dev->priv;
-               next = ap->next;
-               unregister_netdev(root_dev);
+       unregister_netdev(dev);
 
-               regs = ap->regs;
-
-               writel(readl(&regs->CpuCtrl) | CPU_HALT, &regs->CpuCtrl);
-               if (ap->version >= 2)
-                       writel(readl(&regs->CpuBCtrl) | CPU_HALT,
-                              &regs->CpuBCtrl);
-               /*
-                * This clears any pending interrupts
-                */
-               writel(1, &regs->Mb0Lo);
-               readl(&regs->CpuCtrl);  /* flush */
+       writel(readl(&regs->CpuCtrl) | CPU_HALT, &regs->CpuCtrl);
+       if (ap->version >= 2)
+               writel(readl(&regs->CpuBCtrl) | CPU_HALT, &regs->CpuBCtrl);
+       
+       /*
+        * This clears any pending interrupts
+        */
+       writel(1, &regs->Mb0Lo);
+       readl(&regs->CpuCtrl);  /* flush */
 
-               /*
-                * Make sure no other CPUs are processing interrupts
-                * on the card before the buffers are being released.
-                * Otherwise one might experience some `interesting'
-                * effects.
-                *
-                * Then release the RX buffers - jumbo buffers were
-                * already released in ace_close().
-                */
-               ace_sync_irq(root_dev->irq);
+       /*
+        * Make sure no other CPUs are processing interrupts
+        * on the card before the buffers are being released.
+        * Otherwise one might experience some `interesting'
+        * effects.
+        *
+        * Then release the RX buffers - jumbo buffers were
+        * already released in ace_close().
+        */
+       ace_sync_irq(dev->irq);
 
-               for (i = 0; i < RX_STD_RING_ENTRIES; i++) {
-                       struct sk_buff *skb = ap->skb->rx_std_skbuff[i].skb;
+       for (i = 0; i < RX_STD_RING_ENTRIES; i++) {
+               struct sk_buff *skb = ap->skb->rx_std_skbuff[i].skb;
 
-                       if (skb) {
-                               struct ring_info *ringp;
-                               dma_addr_t mapping;
+               if (skb) {
+                       struct ring_info *ringp;
+                       dma_addr_t mapping;
 
-                               ringp = &ap->skb->rx_std_skbuff[i];
-                               mapping = pci_unmap_addr(ringp, mapping);
-                               pci_unmap_page(ap->pdev, mapping,
-                                              ACE_STD_BUFSIZE - (2 + 16),
-                                              PCI_DMA_FROMDEVICE);
+                       ringp = &ap->skb->rx_std_skbuff[i];
+                       mapping = pci_unmap_addr(ringp, mapping);
+                       pci_unmap_page(ap->pdev, mapping,
+                                      ACE_STD_BUFSIZE - (2 + 16),
+                                      PCI_DMA_FROMDEVICE);
 
-                               ap->rx_std_ring[i].size = 0;
-                               ap->skb->rx_std_skbuff[i].skb = NULL;
-                               dev_kfree_skb(skb);
-                       }
-               }
-               if (ap->version >= 2) {
-                       for (i = 0; i < RX_MINI_RING_ENTRIES; i++) {
-                               struct sk_buff *skb = ap->skb->rx_mini_skbuff[i].skb;
-
-                               if (skb) {
-                                       struct ring_info *ringp;
-                                       dma_addr_t mapping;
-
-                                       ringp = &ap->skb->rx_mini_skbuff[i];
-                                       mapping = pci_unmap_addr(ringp,mapping);
-                                       pci_unmap_page(ap->pdev, mapping,
-                                                      ACE_MINI_BUFSIZE - (2 + 16),
-                                                      PCI_DMA_FROMDEVICE);
-
-                                       ap->rx_mini_ring[i].size = 0;
-                                       ap->skb->rx_mini_skbuff[i].skb = NULL;
-                                       dev_kfree_skb(skb);
-                               }
-                       }
+                       ap->rx_std_ring[i].size = 0;
+                       ap->skb->rx_std_skbuff[i].skb = NULL;
+                       dev_kfree_skb(skb);
                }
-               for (i = 0; i < RX_JUMBO_RING_ENTRIES; i++) {
-                       struct sk_buff *skb = ap->skb->rx_jumbo_skbuff[i].skb;
+       }
+
+       if (ap->version >= 2) {
+               for (i = 0; i < RX_MINI_RING_ENTRIES; i++) {
+                       struct sk_buff *skb = ap->skb->rx_mini_skbuff[i].skb;
+
                        if (skb) {
                                struct ring_info *ringp;
                                dma_addr_t mapping;
 
-                               ringp = &ap->skb->rx_jumbo_skbuff[i];
-                               mapping = pci_unmap_addr(ringp, mapping);
+                               ringp = &ap->skb->rx_mini_skbuff[i];
+                               mapping = pci_unmap_addr(ringp,mapping);
                                pci_unmap_page(ap->pdev, mapping,
-                                              ACE_JUMBO_BUFSIZE - (2 + 16),
+                                              ACE_MINI_BUFSIZE - (2 + 16),
                                               PCI_DMA_FROMDEVICE);
 
-                               ap->rx_jumbo_ring[i].size = 0;
-                               ap->skb->rx_jumbo_skbuff[i].skb = NULL;
+                               ap->rx_mini_ring[i].size = 0;
+                               ap->skb->rx_mini_skbuff[i].skb = NULL;
                                dev_kfree_skb(skb);
                        }
                }
-
-               ace_init_cleanup(root_dev);
-               free_netdev(root_dev);
-               root_dev = next;
        }
-}
 
+       for (i = 0; i < RX_JUMBO_RING_ENTRIES; i++) {
+               struct sk_buff *skb = ap->skb->rx_jumbo_skbuff[i].skb;
+               if (skb) {
+                       struct ring_info *ringp;
+                       dma_addr_t mapping;
 
-int __init ace_module_init(void)
-{
-       int status;
+                       ringp = &ap->skb->rx_jumbo_skbuff[i];
+                       mapping = pci_unmap_addr(ringp, mapping);
+                       pci_unmap_page(ap->pdev, mapping,
+                                      ACE_JUMBO_BUFSIZE - (2 + 16),
+                                      PCI_DMA_FROMDEVICE);
 
-       root_dev = NULL;
+                       ap->rx_jumbo_ring[i].size = 0;
+                       ap->skb->rx_jumbo_skbuff[i].skb = NULL;
+                       dev_kfree_skb(skb);
+               }
+       }
 
-#ifdef NEW_NETINIT
-       status = acenic_probe();
-#else
-       status = acenic_probe(NULL);
-#endif
-       return status;
+       ace_init_cleanup(dev);
+       free_netdev(dev);
 }
 
+static struct pci_driver acenic_pci_driver = {
+       .name           = "acenic",
+       .id_table       = acenic_pci_tbl,
+       .probe          = acenic_probe_one,
+       .remove         = __devexit_p(acenic_remove_one),
+};
 
-#if (LINUX_VERSION_CODE < 0x02032a)
-#ifdef MODULE
-int init_module(void)
+static int __init acenic_init(void)
 {
-       return ace_module_init();
+       return pci_module_init(&acenic_pci_driver);
 }
 
-
-void cleanup_module(void)
+static void __exit acenic_exit(void)
 {
-       ace_module_cleanup();
+       pci_unregister_driver(&acenic_pci_driver);
 }
-#endif
-#else
-module_init(ace_module_init);
-module_exit(ace_module_cleanup);
-#endif
 
+module_init(acenic_init);
+module_exit(acenic_exit);
 
 static void ace_free_descriptors(struct net_device *dev)
 {
@@ -1462,13 +1203,6 @@ static int __init ace_init(struct net_device *dev)
        } else
                dev->irq = pdev->irq;
 
-       /*
-        * Register the device here to be able to catch allocated
-        * interrupt handlers in case the firmware doesn't come up.
-        */
-       ap->next = root_dev;
-       root_dev = dev;
-
 #ifdef INDEX_DEBUG
        spin_lock_init(&ap->debug_lock);
        ap->last_tx = ACE_TX_RING_ENTRIES(ap) - 1;
@@ -2642,8 +2376,6 @@ static int ace_open(struct net_device *dev)
 
        netif_start_queue(dev);
 
-       ACE_MOD_INC_USE_COUNT;
-
        /*
         * Setup the bottom half rx ring refill handler
         */
@@ -2660,8 +2392,6 @@ static int ace_close(struct net_device *dev)
        unsigned long flags;
        short i;
 
-       ace_if_down(dev);
-
        /*
         * Without (or before) releasing irq and stopping hardware, this
         * is an absolute non-sense, by the way. It will be reset instantly
@@ -2733,7 +2463,6 @@ static int ace_close(struct net_device *dev)
        ace_unmask_irq(dev);
        local_irq_restore(flags);
 
-       ACE_MOD_DEC_USE_COUNT;
        return 0;
 }
 
@@ -2790,12 +2519,6 @@ static int ace_start_xmit(struct sk_buff *skb, struct net_device *dev)
        struct tx_desc *desc;
        u32 idx, flagsize;
 
-       /*
-        * This only happens with pre-softnet, ie. 2.2.x kernels.
-        */
-       if (early_stop_netif_stop_queue(dev))
-               return 1;
-
 restart:
        idx = ap->tx_prd;