78 static int ixgb_open(struct net_device *netdev);
79 static int ixgb_close(struct net_device *netdev);
85 static void ixgb_set_multi(struct net_device *netdev);
88 				   struct net_device *netdev);
89 static struct net_device_stats *ixgb_get_stats(struct net_device *netdev);
90 static int ixgb_change_mtu(struct net_device *netdev, int new_mtu);
91 static int ixgb_set_mac(struct net_device *netdev, void *p);
104 static int ixgb_vlan_rx_add_vid(struct net_device *netdev,
106 static int ixgb_vlan_rx_kill_vid(struct net_device *netdev,
209 	struct net_device *netdev = adapter->netdev;  in ixgb_up()  local
211 	int max_frame = netdev->mtu + ENET_HEADER_SIZE + ENET_FCS_LENGTH;  in ixgb_up()
216 	ixgb_rar_set(hw, netdev->dev_addr, 0);  in ixgb_up()
217 	ixgb_set_multi(netdev);  in ixgb_up()
240 	                  netdev->name, netdev);  in ixgb_up()
244 		netif_err(adapter, probe, adapter->netdev,  in ixgb_up()
273 	netif_wake_queue(netdev);  in ixgb_up()
283 	struct net_device *netdev = adapter->netdev;  in ixgb_down()  local
288 	netif_carrier_off(netdev);  in ixgb_down()
293 	free_irq(adapter->pdev->irq, netdev);  in ixgb_down()
303 	netif_stop_queue(netdev);  in ixgb_down()
317 		netif_err(adapter, probe, adapter->netdev, "ixgb_init_hw failed\n");  in ixgb_reset()
332 ixgb_fix_features(struct net_device *netdev, netdev_features_t features)  in ixgb_fix_features()  argument
345 ixgb_set_features(struct net_device *netdev, netdev_features_t features)  in ixgb_set_features()  argument
347 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_set_features()
348 	netdev_features_t changed = features ^ netdev->features;  in ixgb_set_features()
355 	if (netif_running(netdev)) {  in ixgb_set_features()
358 		ixgb_set_speed_duplex(netdev);  in ixgb_set_features()
400 	struct net_device *netdev = NULL;  in ixgb_probe()  local
429 	netdev = alloc_etherdev(sizeof(struct ixgb_adapter));  in ixgb_probe()
430 	if (!netdev) {  in ixgb_probe()
435 	SET_NETDEV_DEV(netdev, &pdev->dev);  in ixgb_probe()
437 	pci_set_drvdata(pdev, netdev);  in ixgb_probe()
438 	adapter = netdev_priv(netdev);  in ixgb_probe()
439 	adapter->netdev = netdev;  in ixgb_probe()
459 	netdev->netdev_ops = &ixgb_netdev_ops;  in ixgb_probe()
460 	ixgb_set_ethtool_ops(netdev);  in ixgb_probe()
461 	netdev->watchdog_timeo = 5 * HZ;  in ixgb_probe()
462 	netif_napi_add(netdev, &adapter->napi, ixgb_clean, 64);  in ixgb_probe()
464 	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);  in ixgb_probe()
476 	netdev->hw_features = NETIF_F_SG |  in ixgb_probe()
481 	netdev->features = netdev->hw_features |  in ixgb_probe()
483 	netdev->hw_features |= NETIF_F_RXCSUM;  in ixgb_probe()
486 		netdev->features |= NETIF_F_HIGHDMA;  in ixgb_probe()
487 		netdev->vlan_features |= NETIF_F_HIGHDMA;  in ixgb_probe()
493 		netif_err(adapter, probe, adapter->netdev,  in ixgb_probe()
499 	ixgb_get_ee_mac_addr(&adapter->hw, netdev->dev_addr);  in ixgb_probe()
501 	if (!is_valid_ether_addr(netdev->dev_addr)) {  in ixgb_probe()
502 		netif_err(adapter, probe, adapter->netdev, "Invalid MAC Address\n");  in ixgb_probe()
515 	strcpy(netdev->name, "eth%d");  in ixgb_probe()
516 	err = register_netdev(netdev);  in ixgb_probe()
521 	netif_carrier_off(netdev);  in ixgb_probe()
523 	netif_info(adapter, probe, adapter->netdev,  in ixgb_probe()
538 	free_netdev(netdev);  in ixgb_probe()
560 	struct net_device *netdev = pci_get_drvdata(pdev);  in ixgb_remove()  local
561 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_remove()
565 	unregister_netdev(netdev);  in ixgb_remove()
570 	free_netdev(netdev);  in ixgb_remove()
587 	struct net_device *netdev = adapter->netdev;  in ixgb_sw_init()  local
597 	hw->max_frame_size = netdev->mtu + ENET_HEADER_SIZE + ENET_FCS_LENGTH;  in ixgb_sw_init()
607 		netif_err(adapter, probe, adapter->netdev, "unsupported device id\n");  in ixgb_sw_init()
631 ixgb_open(struct net_device *netdev)  in ixgb_open()  argument
633 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_open()
641 	netif_carrier_off(netdev);  in ixgb_open()
653 	netif_start_queue(netdev);  in ixgb_open()
680 ixgb_close(struct net_device *netdev)  in ixgb_close()  argument
682 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_close()
1063 ixgb_set_mac(struct net_device *netdev, void *p)  in ixgb_set_mac()  argument
1065 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_set_mac()
1071 	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);  in ixgb_set_mac()
1089 ixgb_set_multi(struct net_device *netdev)  in ixgb_set_multi()  argument
1091 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_set_multi()
1100 	if (netdev->flags & IFF_PROMISC) {  in ixgb_set_multi()
1106 		if (netdev->flags & IFF_ALLMULTI) {  in ixgb_set_multi()
1117 	if (netdev_mc_count(netdev) > IXGB_MAX_NUM_MULTICAST_ADDRESSES) {  in ixgb_set_multi()
1130 		netdev_for_each_mc_addr(ha, netdev) {  in ixgb_set_multi()
1135 		ixgb_mc_addr_list_update(hw, mta, netdev_mc_count(netdev), 0);  in ixgb_set_multi()
1140 	if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX)  in ixgb_set_multi()
1156 	struct net_device *netdev = adapter->netdev;  in ixgb_watchdog()  local
1163 		netif_stop_queue(netdev);  in ixgb_watchdog()
1167 		if (!netif_carrier_ok(netdev)) {  in ixgb_watchdog()
1168 			netdev_info(netdev,  in ixgb_watchdog()
1178 			netif_carrier_on(netdev);  in ixgb_watchdog()
1181 		if (netif_carrier_ok(netdev)) {  in ixgb_watchdog()
1184 			netdev_info(netdev, "NIC Link is Down\n");  in ixgb_watchdog()
1185 			netif_carrier_off(netdev);  in ixgb_watchdog()
1191 	if (!netif_carrier_ok(netdev)) {  in ixgb_watchdog()
1474 static int __ixgb_maybe_stop_tx(struct net_device *netdev, int size)  in __ixgb_maybe_stop_tx()  argument
1476 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in __ixgb_maybe_stop_tx()
1479 	netif_stop_queue(netdev);  in __ixgb_maybe_stop_tx()
1491 	netif_start_queue(netdev);  in __ixgb_maybe_stop_tx()
1496 static int ixgb_maybe_stop_tx(struct net_device *netdev,  in ixgb_maybe_stop_tx()  argument
1501 	return __ixgb_maybe_stop_tx(netdev, size);  in ixgb_maybe_stop_tx()
1513 ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)  in ixgb_xmit_frame()  argument
1515 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_xmit_frame()
1532 	if (unlikely(ixgb_maybe_stop_tx(netdev, &adapter->tx_ring,  in ixgb_xmit_frame()
1559 		ixgb_maybe_stop_tx(netdev, &adapter->tx_ring, DESC_NEEDED);  in ixgb_xmit_frame()
1576 ixgb_tx_timeout(struct net_device *netdev)  in ixgb_tx_timeout()  argument
1578 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_tx_timeout()
1604 ixgb_get_stats(struct net_device *netdev)  in ixgb_get_stats()  argument
1606 	return &netdev->stats;  in ixgb_get_stats()
1618 ixgb_change_mtu(struct net_device *netdev, int new_mtu)  in ixgb_change_mtu()  argument
1620 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_change_mtu()
1622 	int old_max_frame = netdev->mtu + ENET_HEADER_SIZE + ENET_FCS_LENGTH;  in ixgb_change_mtu()
1627 		netif_err(adapter, probe, adapter->netdev,  in ixgb_change_mtu()
1635 	if (netif_running(netdev))  in ixgb_change_mtu()
1640 	netdev->mtu = new_mtu;  in ixgb_change_mtu()
1642 	if (netif_running(netdev))  in ixgb_change_mtu()
1656 	struct net_device *netdev = adapter->netdev;  in ixgb_update_stats()  local
1663 	if ((netdev->flags & IFF_PROMISC) || (netdev->flags & IFF_ALLMULTI) ||  in ixgb_update_stats()
1664 	   (netdev_mc_count(netdev) > IXGB_MAX_NUM_MULTICAST_ADDRESSES)) {  in ixgb_update_stats()
1744 	netdev->stats.rx_packets = adapter->stats.gprcl;  in ixgb_update_stats()
1745 	netdev->stats.tx_packets = adapter->stats.gptcl;  in ixgb_update_stats()
1746 	netdev->stats.rx_bytes = adapter->stats.gorcl;  in ixgb_update_stats()
1747 	netdev->stats.tx_bytes = adapter->stats.gotcl;  in ixgb_update_stats()
1748 	netdev->stats.multicast = adapter->stats.mprcl;  in ixgb_update_stats()
1749 	netdev->stats.collisions = 0;  in ixgb_update_stats()
1753 	netdev->stats.rx_errors =  in ixgb_update_stats()
1764 	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;  in ixgb_update_stats()
1765 	netdev->stats.rx_fifo_errors = adapter->stats.mpc;  in ixgb_update_stats()
1766 	netdev->stats.rx_missed_errors = adapter->stats.mpc;  in ixgb_update_stats()
1767 	netdev->stats.rx_over_errors = adapter->stats.mpc;  in ixgb_update_stats()
1769 	netdev->stats.tx_errors = 0;  in ixgb_update_stats()
1770 	netdev->stats.rx_frame_errors = 0;  in ixgb_update_stats()
1771 	netdev->stats.tx_aborted_errors = 0;  in ixgb_update_stats()
1772 	netdev->stats.tx_carrier_errors = 0;  in ixgb_update_stats()
1773 	netdev->stats.tx_fifo_errors = 0;  in ixgb_update_stats()
1774 	netdev->stats.tx_heartbeat_errors = 0;  in ixgb_update_stats()
1775 	netdev->stats.tx_window_errors = 0;  in ixgb_update_stats()
1788 	struct net_device *netdev = data;  in ixgb_intr()  local
1789 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_intr()
1845 	struct net_device *netdev = adapter->netdev;  in ixgb_clean_tx_irq()  local
1881 	if (unlikely(cleaned && netif_carrier_ok(netdev) &&  in ixgb_clean_tx_irq()
1887 		if (netif_queue_stopped(netdev) &&  in ixgb_clean_tx_irq()
1889 			netif_wake_queue(netdev);  in ixgb_clean_tx_irq()
1903 			netif_err(adapter, drv, adapter->netdev,  in ixgb_clean_tx_irq()
1922 			netif_stop_queue(netdev);  in ixgb_clean_tx_irq()
1997 	struct net_device *netdev = adapter->netdev;  in ixgb_clean_rx_irq()  local
2076 		skb->protocol = eth_type_trans(skb, netdev);  in ixgb_clean_rx_irq()
2116 	struct net_device *netdev = adapter->netdev;  in ixgb_alloc_rx_buffers()  local
2138 		skb = netdev_alloc_skb_ip_align(netdev, adapter->rx_buffer_len);  in ixgb_alloc_rx_buffers()
2207 ixgb_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid)  in ixgb_vlan_rx_add_vid()  argument
2209 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_vlan_rx_add_vid()
2224 ixgb_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid)  in ixgb_vlan_rx_kill_vid()  argument
2226 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_vlan_rx_kill_vid()
2246 		ixgb_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);  in ixgb_restore_vlan()
2277 	struct net_device *netdev = pci_get_drvdata(pdev);  in ixgb_io_error_detected()  local
2278 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_io_error_detected()
2280 	netif_device_detach(netdev);  in ixgb_io_error_detected()
2285 	if (netif_running(netdev))  in ixgb_io_error_detected()
2305 	struct net_device *netdev = pci_get_drvdata(pdev);  in ixgb_io_slot_reset()  local
2306 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_io_slot_reset()
2309 		netif_err(adapter, probe, adapter->netdev,  in ixgb_io_slot_reset()
2320 	netif_carrier_off(netdev);  in ixgb_io_slot_reset()
2321 	netif_stop_queue(netdev);  in ixgb_io_slot_reset()
2326 		netif_err(adapter, probe, adapter->netdev,  in ixgb_io_slot_reset()
2330 	ixgb_get_ee_mac_addr(&adapter->hw, netdev->dev_addr);  in ixgb_io_slot_reset()
2331 	memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);  in ixgb_io_slot_reset()
2333 	if (!is_valid_ether_addr(netdev->perm_addr)) {  in ixgb_io_slot_reset()
2334 		netif_err(adapter, probe, adapter->netdev,  in ixgb_io_slot_reset()
2352 	struct net_device *netdev = pci_get_drvdata(pdev);  in ixgb_io_resume()  local
2353 	struct ixgb_adapter *adapter = netdev_priv(netdev);  in ixgb_io_resume()
2357 	if (netif_running(netdev)) {  in ixgb_io_resume()
2364 	netif_device_attach(netdev);  in ixgb_io_resume()