X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fr8169.c;h=06c535222666be7e1c5a0f933268cec7b58052a0;hb=6456fffb09a281af2644e73fda26d1eeec325830;hp=02b11a0814dd42fd1de63fd9575c0279fbc33938;hpb=5b538df9dedb3469b688b93ffab2a7efb64c88e3;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 02b11a0..06c5352 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -81,6 +81,10 @@ static const int multicast_filter_limit = 32; #define RTL8169_TX_TIMEOUT (6*HZ) #define RTL8169_PHY_TIMEOUT (10*HZ) +#define RTL_EEPROM_SIG cpu_to_le32(0x8129) +#define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff) +#define RTL_EEPROM_SIG_ADDR 0x0000 + /* write/read MMIO register */ #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg)) #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg)) @@ -433,6 +437,22 @@ enum features { RTL_FEATURE_GMII = (1 << 2), }; +struct rtl8169_counters { + __le64 tx_packets; + __le64 rx_packets; + __le64 tx_errors; + __le32 rx_errors; + __le16 rx_missed; + __le16 align_errors; + __le32 tx_one_collision; + __le32 tx_multi_collision; + __le64 rx_unicast; + __le64 rx_broadcast; + __le32 rx_multicast; + __le16 tx_aborted; + __le16 tx_underun; +}; + struct rtl8169_private { void __iomem *mmio_addr; /* memory map physical address */ struct pci_dev *pci_dev; /* Index of PCI device */ @@ -470,11 +490,13 @@ struct rtl8169_private { void (*hw_start)(struct net_device *); unsigned int (*phy_reset_pending)(void __iomem *); unsigned int (*link_ok)(void __iomem *); + int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd); int pcie_cap; struct delayed_work task; unsigned features; struct mii_if_info mii; + struct rtl8169_counters counters; }; MODULE_AUTHOR("Realtek and the Linux r8169 crew "); @@ -1095,22 +1117,6 @@ static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = { "tx_underrun", }; -struct rtl8169_counters { - __le64 tx_packets; - __le64 rx_packets; - __le64 tx_errors; - __le32 rx_errors; - __le16 rx_missed; - __le16 align_errors; - __le32 tx_one_collision; - __le32 tx_multi_collision; - __le64 rx_unicast; - __le64 rx_broadcast; - __le32 rx_multicast; - __le16 tx_aborted; - __le16 tx_underun; -}; - static int rtl8169_get_sset_count(struct net_device *dev, int sset) { switch (sset) { @@ -1121,16 +1127,21 @@ static int rtl8169_get_sset_count(struct net_device *dev, int sset) } } -static void rtl8169_get_ethtool_stats(struct net_device *dev, - struct ethtool_stats *stats, u64 *data) +static void rtl8169_update_counters(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); void __iomem *ioaddr = tp->mmio_addr; struct rtl8169_counters *counters; dma_addr_t paddr; u32 cmd; + int wait = 1000; - ASSERT_RTNL(); + /* + * Some chips are unable to dump tally counters when the receiver + * is disabled. + */ + if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0) + return; counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr); if (!counters) @@ -1141,31 +1152,45 @@ static void rtl8169_get_ethtool_stats(struct net_device *dev, RTL_W32(CounterAddrLow, cmd); RTL_W32(CounterAddrLow, cmd | CounterDump); - while (RTL_R32(CounterAddrLow) & CounterDump) { - if (msleep_interruptible(1)) + while (wait--) { + if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) { + /* copy updated counters */ + memcpy(&tp->counters, counters, sizeof(*counters)); break; + } + udelay(10); } RTL_W32(CounterAddrLow, 0); RTL_W32(CounterAddrHigh, 0); - data[0] = le64_to_cpu(counters->tx_packets); - data[1] = le64_to_cpu(counters->rx_packets); - data[2] = le64_to_cpu(counters->tx_errors); - data[3] = le32_to_cpu(counters->rx_errors); - data[4] = le16_to_cpu(counters->rx_missed); - data[5] = le16_to_cpu(counters->align_errors); - data[6] = le32_to_cpu(counters->tx_one_collision); - data[7] = le32_to_cpu(counters->tx_multi_collision); - data[8] = le64_to_cpu(counters->rx_unicast); - data[9] = le64_to_cpu(counters->rx_broadcast); - data[10] = le32_to_cpu(counters->rx_multicast); - data[11] = le16_to_cpu(counters->tx_aborted); - data[12] = le16_to_cpu(counters->tx_underun); - pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr); } +static void rtl8169_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, u64 *data) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + ASSERT_RTNL(); + + rtl8169_update_counters(dev); + + data[0] = le64_to_cpu(tp->counters.tx_packets); + data[1] = le64_to_cpu(tp->counters.rx_packets); + data[2] = le64_to_cpu(tp->counters.tx_errors); + data[3] = le32_to_cpu(tp->counters.rx_errors); + data[4] = le16_to_cpu(tp->counters.rx_missed); + data[5] = le16_to_cpu(tp->counters.align_errors); + data[6] = le32_to_cpu(tp->counters.tx_one_collision); + data[7] = le32_to_cpu(tp->counters.tx_multi_collision); + data[8] = le64_to_cpu(tp->counters.rx_unicast); + data[9] = le64_to_cpu(tp->counters.rx_broadcast); + data[10] = le32_to_cpu(tp->counters.rx_multicast); + data[11] = le16_to_cpu(tp->counters.tx_aborted); + data[12] = le16_to_cpu(tp->counters.tx_underun); +} + static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data) { switch(stringset) { @@ -1825,9 +1850,11 @@ static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) struct rtl8169_private *tp = netdev_priv(dev); struct mii_ioctl_data *data = if_mii(ifr); - if (!netif_running(dev)) - return -ENODEV; + return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV; +} +static int rtl_xmii_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd) +{ switch (cmd) { case SIOCGMIIPHY: data->phy_id = 32; /* Internal PHY */ @@ -1846,6 +1873,11 @@ static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return -EOPNOTSUPP; } +static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd) +{ + return -EOPNOTSUPP; +} + static const struct rtl_cfg_info { void (*hw_start)(struct net_device *); unsigned int region; @@ -1911,73 +1943,25 @@ static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp) } } -static int rtl_eeprom_read(struct pci_dev *pdev, int cap, int addr, __le32 *val) -{ - int ret, count = 100; - u16 status = 0; - u32 value; - - ret = pci_write_config_word(pdev, cap + PCI_VPD_ADDR, addr); - if (ret < 0) - return ret; - - do { - udelay(10); - ret = pci_read_config_word(pdev, cap + PCI_VPD_ADDR, &status); - if (ret < 0) - return ret; - } while (!(status & PCI_VPD_ADDR_F) && --count); - - if (!(status & PCI_VPD_ADDR_F)) - return -ETIMEDOUT; - - ret = pci_read_config_dword(pdev, cap + PCI_VPD_DATA, &value); - if (ret < 0) - return ret; - - *val = cpu_to_le32(value); - - return 0; -} - -static void rtl_init_mac_address(struct rtl8169_private *tp, - void __iomem *ioaddr) -{ - struct pci_dev *pdev = tp->pci_dev; - u8 cfg1; - int vpd_cap; - u8 mac[8]; - DECLARE_MAC_BUF(buf); - - cfg1 = RTL_R8(Config1); - if (!(cfg1 & VPD)) { - dprintk("VPD access not enabled, enabling\n"); - RTL_W8(Cfg9346, Cfg9346_Unlock); - RTL_W8(Config1, cfg1 | VPD); - RTL_W8(Cfg9346, Cfg9346_Lock); - } - - vpd_cap = pci_find_capability(pdev, PCI_CAP_ID_VPD); - if (!vpd_cap) - return; - - /* MAC address is stored in EEPROM at offset 0x0e - * Realtek says: "The VPD address does not have to be a DWORD-aligned - * address as defined in the PCI 2.2 Specifications, but the VPD data - * is always consecutive 4-byte data starting from the VPD address - * specified." - */ - if (rtl_eeprom_read(pdev, vpd_cap, 0x000e, (__le32*)&mac[0]) < 0 || - rtl_eeprom_read(pdev, vpd_cap, 0x0012, (__le32*)&mac[4]) < 0) { - dprintk("Reading MAC address from EEPROM failed\n"); - return; - } - - dprintk("MAC address found in EEPROM: %s\n", print_mac(buf, mac)); +static const struct net_device_ops rtl8169_netdev_ops = { + .ndo_open = rtl8169_open, + .ndo_stop = rtl8169_close, + .ndo_get_stats = rtl8169_get_stats, + .ndo_start_xmit = rtl8169_start_xmit, + .ndo_tx_timeout = rtl8169_tx_timeout, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = rtl8169_change_mtu, + .ndo_set_mac_address = rtl_set_mac_address, + .ndo_do_ioctl = rtl8169_ioctl, + .ndo_set_multicast_list = rtl_set_rx_mode, +#ifdef CONFIG_R8169_VLAN + .ndo_vlan_rx_register = rtl8169_vlan_rx_register, +#endif +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = rtl8169_netpoll, +#endif - /* Write MAC address */ - rtl_rar_set(tp, mac); -} +}; static int __devinit rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) @@ -2005,6 +1989,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } SET_NETDEV_DEV(dev, &pdev->dev); + dev->netdev_ops = &rtl8169_netdev_ops; tp = netdev_priv(dev); tp->dev = dev; tp->pci_dev = pdev; @@ -2140,6 +2125,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->phy_reset_enable = rtl8169_tbi_reset_enable; tp->phy_reset_pending = rtl8169_tbi_reset_pending; tp->link_ok = rtl8169_tbi_link_ok; + tp->do_ioctl = rtl_tbi_ioctl; tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */ } else { @@ -2148,45 +2134,30 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->phy_reset_enable = rtl8169_xmii_reset_enable; tp->phy_reset_pending = rtl8169_xmii_reset_pending; tp->link_ok = rtl8169_xmii_link_ok; - - dev->do_ioctl = rtl8169_ioctl; + tp->do_ioctl = rtl_xmii_ioctl; } spin_lock_init(&tp->lock); - rtl_init_mac_address(tp, ioaddr); + tp->mmio_addr = ioaddr; /* Get MAC address */ for (i = 0; i < MAC_ADDR_LEN; i++) dev->dev_addr[i] = RTL_R8(MAC0 + i); memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - dev->open = rtl8169_open; - dev->hard_start_xmit = rtl8169_start_xmit; - dev->get_stats = rtl8169_get_stats; SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops); - dev->stop = rtl8169_close; - dev->tx_timeout = rtl8169_tx_timeout; - dev->set_multicast_list = rtl_set_rx_mode; dev->watchdog_timeo = RTL8169_TX_TIMEOUT; dev->irq = pdev->irq; dev->base_addr = (unsigned long) ioaddr; - dev->change_mtu = rtl8169_change_mtu; - dev->set_mac_address = rtl_set_mac_address; netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT); #ifdef CONFIG_R8169_VLAN dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; - dev->vlan_rx_register = rtl8169_vlan_rx_register; -#endif - -#ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = rtl8169_netpoll; #endif tp->intr_mask = 0xffff; - tp->mmio_addr = ioaddr; tp->align = cfg->align; tp->hw_start = cfg->hw_start; tp->intr_event = cfg->intr_event; @@ -3282,13 +3253,6 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev) opts1 |= FirstFrag; } else { len = skb->len; - - if (unlikely(len < ETH_ZLEN)) { - if (skb_padto(skb, ETH_ZLEN)) - goto err_update_stats; - len = ETH_ZLEN; - } - opts1 |= FirstFrag | LastFrag; tp->tx_skb[entry].skb = skb; } @@ -3326,7 +3290,6 @@ out: err_stop: netif_stop_queue(dev); ret = NETDEV_TX_BUSY; -err_update_stats: dev->stats.tx_dropped++; goto out; } @@ -3549,7 +3512,6 @@ static int rtl8169_rx_interrupt(struct net_device *dev, if (rtl8169_rx_vlan_skb(tp, desc, skb) < 0) netif_receive_skb(skb); - dev->last_rx = jiffies; dev->stats.rx_bytes += pkt_size; dev->stats.rx_packets++; } @@ -3631,8 +3593,8 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event); tp->intr_mask = ~tp->napi_event; - if (likely(netif_rx_schedule_prep(dev, &tp->napi))) - __netif_rx_schedule(dev, &tp->napi); + if (likely(napi_schedule_prep(&tp->napi))) + __napi_schedule(&tp->napi); else if (netif_msg_intr(tp)) { printk(KERN_INFO "%s: interrupt %04x in poll\n", dev->name, status); @@ -3653,7 +3615,7 @@ static int rtl8169_poll(struct napi_struct *napi, int budget) rtl8169_tx_interrupt(dev, tp, ioaddr); if (work_done < budget) { - netif_rx_complete(dev, napi); + napi_complete(napi); tp->intr_mask = 0xffff; /* * 20040426: the barrier is not strictly required but the @@ -3732,6 +3694,9 @@ static int rtl8169_close(struct net_device *dev) struct rtl8169_private *tp = netdev_priv(dev); struct pci_dev *pdev = tp->pci_dev; + /* update counters before going down */ + rtl8169_update_counters(dev); + rtl8169_down(dev); free_irq(dev->irq, dev); @@ -3874,6 +3839,11 @@ out: return 0; } +static void rtl_shutdown(struct pci_dev *pdev) +{ + rtl8169_suspend(pdev, PMSG_SUSPEND); +} + #endif /* CONFIG_PM */ static struct pci_driver rtl8169_pci_driver = { @@ -3884,6 +3854,7 @@ static struct pci_driver rtl8169_pci_driver = { #ifdef CONFIG_PM .suspend = rtl8169_suspend, .resume = rtl8169_resume, + .shutdown = rtl_shutdown, #endif };