diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 89 |
1 files changed, 72 insertions, 17 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 83348dc4b18..f574edff7fc 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -92,7 +92,8 @@ static irqreturn_t netxen_msi_intr(int irq, void *data); static irqreturn_t netxen_msix_intr(int irq, void *data); static void netxen_config_indev_addr(struct net_device *dev, unsigned long); -static struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev); +static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *dev, + struct rtnl_link_stats64 *stats); static int netxen_nic_set_mac(struct net_device *netdev, void *p); /* PCI Device ID Table */ @@ -485,16 +486,49 @@ static void netxen_set_multicast_list(struct net_device *dev) adapter->set_multi(dev); } +static u32 netxen_fix_features(struct net_device *dev, u32 features) +{ + if (!(features & NETIF_F_RXCSUM)) { + netdev_info(dev, "disabling LRO as RXCSUM is off\n"); + + features &= ~NETIF_F_LRO; + } + + return features; +} + +static int netxen_set_features(struct net_device *dev, u32 features) +{ + struct netxen_adapter *adapter = netdev_priv(dev); + int hw_lro; + + if (!((dev->features ^ features) & NETIF_F_LRO)) + return 0; + + hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED + : NETXEN_NIC_LRO_DISABLED; + + if (netxen_config_hw_lro(adapter, hw_lro)) + return -EIO; + + if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter)) + return -EIO; + + return 0; +} + static const struct net_device_ops netxen_netdev_ops = { .ndo_open = netxen_nic_open, .ndo_stop = netxen_nic_close, .ndo_start_xmit = netxen_nic_xmit_frame, - .ndo_get_stats = netxen_nic_get_stats, + .ndo_get_stats64 = netxen_nic_get_stats, .ndo_validate_addr = eth_validate_addr, .ndo_set_multicast_list = netxen_set_multicast_list, .ndo_set_mac_address = netxen_nic_set_mac, .ndo_change_mtu = netxen_nic_change_mtu, .ndo_tx_timeout = netxen_tx_timeout, + .ndo_fix_features = netxen_fix_features, + .ndo_set_features = netxen_set_features, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = netxen_nic_poll_controller, #endif @@ -905,7 +939,7 @@ netxen_nic_request_irq(struct netxen_adapter *adapter) struct nx_host_sds_ring *sds_ring; int err, ring; - unsigned long flags = IRQF_SAMPLE_RANDOM; + unsigned long flags = 0; struct net_device *netdev = adapter->netdev; struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; @@ -1196,7 +1230,6 @@ netxen_setup_netdev(struct netxen_adapter *adapter, int err = 0; struct pci_dev *pdev = adapter->pdev; - adapter->rx_csum = 1; adapter->mc_enabled = 0; if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) adapter->max_mc_count = 38; @@ -1210,14 +1243,13 @@ netxen_setup_netdev(struct netxen_adapter *adapter, SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); - netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); - netdev->features |= (NETIF_F_GRO); - netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); + netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | + NETIF_F_RXCSUM; - if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { - netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); - netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); - } + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) + netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; + + netdev->vlan_features |= netdev->hw_features; if (adapter->pci_using_dac) { netdev->features |= NETIF_F_HIGHDMA; @@ -1225,10 +1257,12 @@ netxen_setup_netdev(struct netxen_adapter *adapter, } if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) - netdev->features |= (NETIF_F_HW_VLAN_TX); + netdev->hw_features |= NETIF_F_HW_VLAN_TX; if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) - netdev->features |= NETIF_F_LRO; + netdev->hw_features |= NETIF_F_LRO; + + netdev->features |= netdev->hw_features; netdev->irq = adapter->msix_entries[0].vector; @@ -1354,6 +1388,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) break; } + err = netxen_check_flash_fw_compatibility(adapter); + if (err) + goto err_out_iounmap; + if (adapter->portnum == 0) { val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT); if (val != 0xffffffff && val != 0) { @@ -1844,6 +1882,8 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) struct cmd_desc_type0 *hwdesc, *first_desc; struct pci_dev *pdev; int i, k; + int delta = 0; + struct skb_frag_struct *frag; u32 producer; int frag_count, no_of_desc; @@ -1851,6 +1891,21 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) frag_count = skb_shinfo(skb)->nr_frags + 1; + /* 14 frags supported for normal packet and + * 32 frags supported for TSO packet + */ + if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) { + + for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) { + frag = &skb_shinfo(skb)->frags[i]; + delta += frag->size; + } + + if (!__pskb_pull_tail(skb, delta)) + goto drop_packet; + + frag_count = 1 + skb_shinfo(skb)->nr_frags; + } /* 4 fragments per cmd des */ no_of_desc = (frag_count + 3) >> 2; @@ -1915,11 +1970,11 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) netxen_tso_check(netdev, tx_ring, first_desc, skb); - netxen_nic_update_cmd_producer(adapter, tx_ring); - adapter->stats.txbytes += skb->len; adapter->stats.xmitcalled++; + netxen_nic_update_cmd_producer(adapter, tx_ring); + return NETDEV_TX_OK; drop_packet: @@ -2060,10 +2115,10 @@ request_reset: clear_bit(__NX_RESETTING, &adapter->state); } -static struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev) +static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev, + struct rtnl_link_stats64 *stats) { struct netxen_adapter *adapter = netdev_priv(netdev); - struct net_device_stats *stats = &netdev->stats; stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; stats->tx_packets = adapter->stats.xmitfinished; |