diff options
Diffstat (limited to 'drivers/net/ethernet/dec/tulip/tulip_core.c')
-rw-r--r-- | drivers/net/ethernet/dec/tulip/tulip_core.c | 238 |
1 files changed, 87 insertions, 151 deletions
diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c index 9e9d9eee29d9..ecfad43df45a 100644 --- a/drivers/net/ethernet/dec/tulip/tulip_core.c +++ b/drivers/net/ethernet/dec/tulip/tulip_core.c @@ -12,13 +12,6 @@ #define pr_fmt(fmt) "tulip: " fmt #define DRV_NAME "tulip" -#ifdef CONFIG_TULIP_NAPI -#define DRV_VERSION "1.1.15-NAPI" /* Keep at least for test */ -#else -#define DRV_VERSION "1.1.15" -#endif -#define DRV_RELDATE "Feb 27, 2007" - #include <linux/module.h> #include <linux/pci.h> @@ -37,9 +30,6 @@ #include <asm/prom.h> #endif -static char version[] = - "Linux Tulip driver version " DRV_VERSION " (" DRV_RELDATE ")\n"; - /* A few user-configurable values. */ /* Maximum events (Rx packets, etc.) to handle at each interrupt. */ @@ -109,7 +99,6 @@ static int csr0; MODULE_AUTHOR("The Linux Kernel Team"); MODULE_DESCRIPTION("Digital 21*4* Tulip ethernet driver"); MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_VERSION); module_param(tulip_debug, int, 0); module_param(max_interrupt_work, int, 0); module_param(rx_copybreak, int, 0); @@ -350,7 +339,7 @@ static void tulip_up(struct net_device *dev) } } else { /* This is set_rx_mode(), but without starting the transmitter. */ - u16 *eaddrs = (u16 *)dev->dev_addr; + const u16 *eaddrs = (const u16 *)dev->dev_addr; u16 *setup_frm = &tp->setup_frame[15*6]; dma_addr_t mapping; @@ -361,9 +350,9 @@ static void tulip_up(struct net_device *dev) *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; - mapping = pci_map_single(tp->pdev, tp->setup_frame, + mapping = dma_map_single(&tp->pdev->dev, tp->setup_frame, sizeof(tp->setup_frame), - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); tp->tx_buffers[tp->cur_tx].skb = NULL; tp->tx_buffers[tp->cur_tx].mapping = mapping; @@ -641,8 +630,8 @@ static void tulip_init_ring(struct net_device *dev) tp->rx_buffers[i].skb = skb; if (skb == NULL) break; - mapping = pci_map_single(tp->pdev, skb->data, - PKT_BUF_SZ, PCI_DMA_FROMDEVICE); + mapping = dma_map_single(&tp->pdev->dev, skb->data, + PKT_BUF_SZ, DMA_FROM_DEVICE); tp->rx_buffers[i].mapping = mapping; tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */ tp->rx_ring[i].buffer1 = cpu_to_le32(mapping); @@ -675,8 +664,8 @@ tulip_start_xmit(struct sk_buff *skb, struct net_device *dev) entry = tp->cur_tx % TX_RING_SIZE; tp->tx_buffers[entry].skb = skb; - mapping = pci_map_single(tp->pdev, skb->data, - skb->len, PCI_DMA_TODEVICE); + mapping = dma_map_single(&tp->pdev->dev, skb->data, skb->len, + DMA_TO_DEVICE); tp->tx_buffers[entry].mapping = mapping; tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping); @@ -727,16 +716,17 @@ static void tulip_clean_tx_ring(struct tulip_private *tp) if (tp->tx_buffers[entry].skb == NULL) { /* test because dummy frames not mapped */ if (tp->tx_buffers[entry].mapping) - pci_unmap_single(tp->pdev, - tp->tx_buffers[entry].mapping, - sizeof(tp->setup_frame), - PCI_DMA_TODEVICE); + dma_unmap_single(&tp->pdev->dev, + tp->tx_buffers[entry].mapping, + sizeof(tp->setup_frame), + DMA_TO_DEVICE); continue; } - pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping, - tp->tx_buffers[entry].skb->len, - PCI_DMA_TODEVICE); + dma_unmap_single(&tp->pdev->dev, + tp->tx_buffers[entry].mapping, + tp->tx_buffers[entry].skb->len, + DMA_TO_DEVICE); /* Free the original skb. */ dev_kfree_skb_irq(tp->tx_buffers[entry].skb); @@ -806,8 +796,8 @@ static void tulip_free_ring (struct net_device *dev) /* An invalid address. */ tp->rx_ring[i].buffer1 = cpu_to_le32(0xBADF00D0); if (skb) { - pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ, - PCI_DMA_FROMDEVICE); + dma_unmap_single(&tp->pdev->dev, mapping, PKT_BUF_SZ, + DMA_FROM_DEVICE); dev_kfree_skb (skb); } } @@ -816,8 +806,9 @@ static void tulip_free_ring (struct net_device *dev) struct sk_buff *skb = tp->tx_buffers[i].skb; if (skb != NULL) { - pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping, - skb->len, PCI_DMA_TODEVICE); + dma_unmap_single(&tp->pdev->dev, + tp->tx_buffers[i].mapping, skb->len, + DMA_TO_DEVICE); dev_kfree_skb (skb); } tp->tx_buffers[i].skb = NULL; @@ -867,9 +858,8 @@ static struct net_device_stats *tulip_get_stats(struct net_device *dev) static void tulip_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct tulip_private *np = netdev_priv(dev); - strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); - strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info)); + strscpy(info->driver, DRV_NAME, sizeof(info->driver)); + strscpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info)); } @@ -923,7 +913,7 @@ static int private_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) data->phy_id = 1; else return -ENODEV; - /* Fall through */ + fallthrough; case SIOCGMIIREG: /* Read MII PHY register. */ if (data->phy_id == 32 && (tp->flags & HAS_NWAY)) { @@ -1011,8 +1001,8 @@ static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev) struct tulip_private *tp = netdev_priv(dev); u16 hash_table[32]; struct netdev_hw_addr *ha; + const u16 *eaddrs; int i; - u16 *eaddrs; memset(hash_table, 0, sizeof(hash_table)); __set_bit_le(255, hash_table); /* Broadcast entry */ @@ -1029,7 +1019,7 @@ static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev) setup_frm = &tp->setup_frame[13*6]; /* Fill the final entry with our physical address. */ - eaddrs = (u16 *)dev->dev_addr; + eaddrs = (const u16 *)dev->dev_addr; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; @@ -1039,7 +1029,7 @@ static void build_setup_frame_perfect(u16 *setup_frm, struct net_device *dev) { struct tulip_private *tp = netdev_priv(dev); struct netdev_hw_addr *ha; - u16 *eaddrs; + const u16 *eaddrs; /* We have <= 14 addresses so we can use the wonderful 16 address perfect filtering of the Tulip. */ @@ -1054,7 +1044,7 @@ static void build_setup_frame_perfect(u16 *setup_frm, struct net_device *dev) setup_frm = &tp->setup_frame[15*6]; /* Fill the final entry with our physical address. */ - eaddrs = (u16 *)dev->dev_addr; + eaddrs = (const u16 *)dev->dev_addr; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[0]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; @@ -1161,9 +1151,10 @@ static void set_rx_mode(struct net_device *dev) tp->tx_buffers[entry].skb = NULL; tp->tx_buffers[entry].mapping = - pci_map_single(tp->pdev, tp->setup_frame, + dma_map_single(&tp->pdev->dev, + tp->setup_frame, sizeof(tp->setup_frame), - PCI_DMA_TODEVICE); + DMA_TO_DEVICE); /* Put the setup frame on the Tx list. */ if (entry == TX_RING_SIZE-1) tx_flags |= DESC_RING_WRAP; /* Wrap ring. */ @@ -1280,7 +1271,7 @@ static const struct net_device_ops tulip_netdev_ops = { .ndo_tx_timeout = tulip_tx_timeout, .ndo_stop = tulip_close, .ndo_get_stats = tulip_get_stats, - .ndo_do_ioctl = private_ioctl, + .ndo_eth_ioctl = private_ioctl, .ndo_set_rx_mode = set_rx_mode, .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, @@ -1289,7 +1280,7 @@ static const struct net_device_ops tulip_netdev_ops = { #endif }; -const struct pci_device_id early_486_chipsets[] = { +static const struct pci_device_id early_486_chipsets[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82424) }, { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496) }, { }, @@ -1302,7 +1293,9 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) static unsigned char last_phys_addr[ETH_ALEN] = { 0x00, 'L', 'i', 'n', 'u', 'x' }; +#if defined(__i386__) || defined(__x86_64__) /* Patch up x86 BIOS bug. */ static int last_irq; +#endif int i, irq; unsigned short sum; unsigned char *ee_data; @@ -1312,13 +1305,9 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) int chip_idx = ent->driver_data; const char *chip_name = tulip_tbl[chip_idx].chip_name; unsigned int eeprom_missing = 0; + u8 addr[ETH_ALEN] __aligned(2); unsigned int force_csr0 = 0; -#ifndef MODULE - if (tulip_debug > 0) - printk_once(KERN_INFO "%s", version); -#endif - board_idx++; /* @@ -1400,7 +1389,7 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) * And back to business */ - i = pci_enable_device(pdev); + i = pcim_enable_device(pdev); if (i) { pr_err("Cannot enable tulip board #%d, aborting\n", board_idx); return i; @@ -1409,7 +1398,7 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) irq = pdev->irq; /* alloc_etherdev ensures aligned and zeroed private structures */ - dev = alloc_etherdev (sizeof (*tp)); + dev = devm_alloc_etherdev(&pdev->dev, sizeof(*tp)); if (!dev) return -ENOMEM; @@ -1419,18 +1408,18 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_name(pdev), (unsigned long long)pci_resource_len (pdev, 0), (unsigned long long)pci_resource_start (pdev, 0)); - goto err_out_free_netdev; + return -ENODEV; } /* grab all resources from both PIO and MMIO regions, as we * don't want anyone else messing around with our hardware */ - if (pci_request_regions (pdev, DRV_NAME)) - goto err_out_free_netdev; + if (pci_request_regions(pdev, DRV_NAME)) + return -ENODEV; - ioaddr = pci_iomap(pdev, TULIP_BAR, tulip_tbl[chip_idx].io_size); + ioaddr = pcim_iomap(pdev, TULIP_BAR, tulip_tbl[chip_idx].io_size); if (!ioaddr) - goto err_out_free_res; + return -ENODEV; /* * initialize private data structure 'tp' @@ -1439,12 +1428,12 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp = netdev_priv(dev); tp->dev = dev; - tp->rx_ring = pci_alloc_consistent(pdev, - sizeof(struct tulip_rx_desc) * RX_RING_SIZE + - sizeof(struct tulip_tx_desc) * TX_RING_SIZE, - &tp->rx_ring_dma); + tp->rx_ring = dmam_alloc_coherent(&pdev->dev, + sizeof(struct tulip_rx_desc) * RX_RING_SIZE + + sizeof(struct tulip_tx_desc) * TX_RING_SIZE, + &tp->rx_ring_dma, GFP_KERNEL); if (!tp->rx_ring) - goto err_out_mtable; + return -ENODEV; tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE); tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE; @@ -1518,13 +1507,15 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) do { value = ioread32(ioaddr + CSR9); } while (value < 0 && --boguscnt > 0); - put_unaligned_le16(value, ((__le16 *)dev->dev_addr) + i); + put_unaligned_le16(value, ((__le16 *)addr) + i); sum += value & 0xffff; } + eth_hw_addr_set(dev, addr); } else if (chip_idx == COMET) { /* No need to read the EEPROM. */ - put_unaligned_le32(ioread32(ioaddr + 0xA4), dev->dev_addr); - put_unaligned_le16(ioread32(ioaddr + 0xA8), dev->dev_addr + 4); + put_unaligned_le32(ioread32(ioaddr + 0xA4), addr); + put_unaligned_le16(ioread32(ioaddr + 0xA8), addr + 4); + eth_hw_addr_set(dev, addr); for (i = 0; i < 6; i ++) sum += dev->dev_addr[i]; } else { @@ -1587,20 +1578,23 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) #endif for (i = 0; i < 6; i ++) { - dev->dev_addr[i] = ee_data[i + sa_offset]; + addr[i] = ee_data[i + sa_offset]; sum += ee_data[i + sa_offset]; } + eth_hw_addr_set(dev, addr); } /* Lite-On boards have the address byte-swapped. */ if ((dev->dev_addr[0] == 0xA0 || dev->dev_addr[0] == 0xC0 || dev->dev_addr[0] == 0x02) && - dev->dev_addr[1] == 0x00) + dev->dev_addr[1] == 0x00) { for (i = 0; i < 6; i+=2) { - char tmp = dev->dev_addr[i]; - dev->dev_addr[i] = dev->dev_addr[i+1]; - dev->dev_addr[i+1] = tmp; + addr[i] = dev->dev_addr[i+1]; + addr[i+1] = dev->dev_addr[i]; } + eth_hw_addr_set(dev, addr); + } + /* On the Zynx 315 Etherarray and other multiport boards only the first Tulip has an EEPROM. On Sparc systems the mac address is held in the OBP property @@ -1611,17 +1605,18 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (sum == 0 || sum == 6*0xff) { #if defined(CONFIG_SPARC) struct device_node *dp = pci_device_to_OF_node(pdev); - const unsigned char *addr; + const unsigned char *addr2; int len; #endif eeprom_missing = 1; for (i = 0; i < 5; i++) - dev->dev_addr[i] = last_phys_addr[i]; - dev->dev_addr[i] = last_phys_addr[i] + 1; + addr[i] = last_phys_addr[i]; + addr[i] = last_phys_addr[i] + 1; + eth_hw_addr_set(dev, addr); #if defined(CONFIG_SPARC) - addr = of_get_property(dp, "local-mac-address", &len); - if (addr && len == ETH_ALEN) - memcpy(dev->dev_addr, addr, ETH_ALEN); + addr2 = of_get_property(dp, "local-mac-address", &len); + if (addr2 && len == ETH_ALEN) + eth_hw_addr_set(dev, addr2); #endif #if defined(__i386__) || defined(__x86_64__) /* Patch up x86 BIOS bug. */ if (last_irq) @@ -1631,7 +1626,9 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) for (i = 0; i < 6; i++) last_phys_addr[i] = dev->dev_addr[i]; +#if defined(__i386__) || defined(__x86_64__) /* Patch up x86 BIOS bug. */ last_irq = irq; +#endif /* The lower four bits are the media type. */ if (board_idx >= 0 && board_idx < MAX_UNITS) { @@ -1692,12 +1689,13 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->netdev_ops = &tulip_netdev_ops; dev->watchdog_timeo = TX_TIMEOUT; #ifdef CONFIG_TULIP_NAPI - netif_napi_add(dev, &tp->napi, tulip_poll, 16); + netif_napi_add_weight(dev, &tp->napi, tulip_poll, 16); #endif dev->ethtool_ops = &ops; - if (register_netdev(dev)) - goto err_out_free_ring; + i = register_netdev(dev); + if (i) + return i; pci_set_drvdata(pdev, dev); @@ -1772,23 +1770,6 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tulip_set_power_state (tp, 0, 1); return 0; - -err_out_free_ring: - pci_free_consistent (pdev, - sizeof (struct tulip_rx_desc) * RX_RING_SIZE + - sizeof (struct tulip_tx_desc) * TX_RING_SIZE, - tp->rx_ring, tp->rx_ring_dma); - -err_out_mtable: - kfree (tp->mtable); - pci_iounmap(pdev, ioaddr); - -err_out_free_res: - pci_release_regions (pdev); - -err_out_free_netdev: - free_netdev (dev); - return -ENODEV; } @@ -1800,14 +1781,13 @@ static void tulip_set_wolopts (struct pci_dev *pdev, u32 wolopts) void __iomem *ioaddr = tp->base_addr; if (tp->flags & COMET_PM) { - unsigned int tmp; - + tmp = ioread32(ioaddr + CSR18); tmp &= ~(comet_csr18_pmes_sticky | comet_csr18_apm_mode | comet_csr18_d3a); tmp |= comet_csr18_pm_mode; iowrite32(tmp, ioaddr + CSR18); - + /* Set the Wake-up Control/Status Register to the given WOL options*/ tmp = ioread32(ioaddr + CSR13); tmp &= ~(comet_csr13_linkoffe | comet_csr13_linkone | comet_csr13_wfre | comet_csr13_lsce | comet_csr13_mpre); @@ -1821,13 +1801,9 @@ static void tulip_set_wolopts (struct pci_dev *pdev, u32 wolopts) } } -#ifdef CONFIG_PM - - -static int tulip_suspend (struct pci_dev *pdev, pm_message_t state) +static int __maybe_unused tulip_suspend(struct device *dev_d) { - pci_power_t pstate; - struct net_device *dev = pci_get_drvdata(pdev); + struct net_device *dev = dev_get_drvdata(dev_d); struct tulip_private *tp = netdev_priv(dev); if (!dev) @@ -1843,45 +1819,27 @@ static int tulip_suspend (struct pci_dev *pdev, pm_message_t state) free_irq(tp->pdev->irq, dev); save_state: - pci_save_state(pdev); - pci_disable_device(pdev); - pstate = pci_choose_state(pdev, state); - if (state.event == PM_EVENT_SUSPEND && pstate != PCI_D0) { - int rc; - - tulip_set_wolopts(pdev, tp->wolinfo.wolopts); - rc = pci_enable_wake(pdev, pstate, tp->wolinfo.wolopts); - if (rc) - pr_err("pci_enable_wake failed (%d)\n", rc); - } - pci_set_power_state(pdev, pstate); + tulip_set_wolopts(to_pci_dev(dev_d), tp->wolinfo.wolopts); + device_set_wakeup_enable(dev_d, !!tp->wolinfo.wolopts); return 0; } - -static int tulip_resume(struct pci_dev *pdev) +static int __maybe_unused tulip_resume(struct device *dev_d) { - struct net_device *dev = pci_get_drvdata(pdev); + struct pci_dev *pdev = to_pci_dev(dev_d); + struct net_device *dev = dev_get_drvdata(dev_d); struct tulip_private *tp = netdev_priv(dev); void __iomem *ioaddr = tp->base_addr; - int retval; unsigned int tmp; + int retval = 0; if (!dev) return -EINVAL; - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - if (!netif_running(dev)) return 0; - if ((retval = pci_enable_device(pdev))) { - pr_err("pci_enable_device failed in resume\n"); - return retval; - } - retval = request_irq(pdev->irq, tulip_interrupt, IRQF_SHARED, dev->name, dev); if (retval) { @@ -1890,8 +1848,7 @@ static int tulip_resume(struct pci_dev *pdev) } if (tp->flags & COMET_PM) { - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); + device_set_wakeup_enable(dev_d, 0); /* Clear the PMES flag */ tmp = ioread32(ioaddr + CSR20); @@ -1909,30 +1866,14 @@ static int tulip_resume(struct pci_dev *pdev) return 0; } -#endif /* CONFIG_PM */ - - static void tulip_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata (pdev); - struct tulip_private *tp; if (!dev) return; - tp = netdev_priv(dev); unregister_netdev(dev); - pci_free_consistent (pdev, - sizeof (struct tulip_rx_desc) * RX_RING_SIZE + - sizeof (struct tulip_tx_desc) * TX_RING_SIZE, - tp->rx_ring, tp->rx_ring_dma); - kfree (tp->mtable); - pci_iounmap(pdev, tp->base_addr); - free_netdev (dev); - pci_release_regions (pdev); - pci_disable_device(pdev); - - /* pci_power_off (pdev, -1); */ } #ifdef CONFIG_NET_POLL_CONTROLLER @@ -1955,24 +1896,19 @@ static void poll_tulip (struct net_device *dev) } #endif +static SIMPLE_DEV_PM_OPS(tulip_pm_ops, tulip_suspend, tulip_resume); + static struct pci_driver tulip_driver = { .name = DRV_NAME, .id_table = tulip_pci_tbl, .probe = tulip_init_one, .remove = tulip_remove_one, -#ifdef CONFIG_PM - .suspend = tulip_suspend, - .resume = tulip_resume, -#endif /* CONFIG_PM */ + .driver.pm = &tulip_pm_ops, }; static int __init tulip_init (void) { -#ifdef MODULE - pr_info("%s", version); -#endif - if (!csr0) { pr_warn("tulip: unknown CPU architecture, using default csr0\n"); /* default to 8 longword cache line alignment */ |