diff options
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/e100.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index 485ab8cdac48..3ecbdedf6135 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -1075,7 +1075,7 @@ static void e100_get_defaults(struct nic *nic) /* Template for a freshly allocated RFD */ nic->blank_rfd.command = 0; nic->blank_rfd.rbd = cpu_to_le32(0xFFFFFFFF); - nic->blank_rfd.size = cpu_to_le16(VLAN_ETH_FRAME_LEN); + nic->blank_rfd.size = cpu_to_le16(VLAN_ETH_FRAME_LEN + ETH_FCS_LEN); /* MII setup */ nic->mii.phy_id_mask = 0x1F; @@ -1089,6 +1089,7 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb) { struct config *config = &cb->u.config; u8 *c = (u8 *)config; + struct net_device *netdev = nic->netdev; cb->command = cpu_to_le16(cb_config); @@ -1132,6 +1133,9 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb) config->promiscuous_mode = 0x1; /* 1=on, 0=off */ } + if (unlikely(netdev->features & NETIF_F_RXFCS)) + config->rx_crc_transfer = 0x1; /* 1=save, 0=discard */ + if (nic->flags & multicast_all) config->multicast_all = 0x1; /* 1=accept, 0=no */ @@ -1881,7 +1885,7 @@ static inline void e100_start_receiver(struct nic *nic, struct rx *rx) } } -#define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN) +#define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN + ETH_FCS_LEN) static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) { if (!(rx->skb = netdev_alloc_skb_ip_align(nic->netdev, RFD_BUF_LEN))) @@ -1919,6 +1923,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, struct sk_buff *skb = rx->skb; struct rfd *rfd = (struct rfd *)skb->data; u16 rfd_status, actual_size; + u16 fcs_pad = 0; if (unlikely(work_done && *work_done >= work_to_do)) return -EAGAIN; @@ -1951,6 +1956,8 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, } /* Get actual data size */ + if (unlikely(dev->features & NETIF_F_RXFCS)) + fcs_pad = 4; actual_size = le16_to_cpu(rfd->actual_size) & 0x3FFF; if (unlikely(actual_size > RFD_BUF_LEN - sizeof(struct rfd))) actual_size = RFD_BUF_LEN - sizeof(struct rfd); @@ -1980,13 +1987,13 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, if (unlikely(!(rfd_status & cb_ok))) { /* Don't indicate if hardware indicates errors */ dev_kfree_skb_any(skb); - } else if (actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN) { + } else if (actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN + fcs_pad) { /* Don't indicate oversized frames */ nic->rx_over_length_errors++; dev_kfree_skb_any(skb); } else { dev->stats.rx_packets++; - dev->stats.rx_bytes += actual_size; + dev->stats.rx_bytes += (actual_size - fcs_pad); netif_receive_skb(skb); if (work_done) (*work_done)++; @@ -2058,7 +2065,8 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done, pci_dma_sync_single_for_device(nic->pdev, old_before_last_rx->dma_addr, sizeof(struct rfd), PCI_DMA_BIDIRECTIONAL); - old_before_last_rfd->size = cpu_to_le16(VLAN_ETH_FRAME_LEN); + old_before_last_rfd->size = cpu_to_le16(VLAN_ETH_FRAME_LEN + + ETH_FCS_LEN); pci_dma_sync_single_for_device(nic->pdev, old_before_last_rx->dma_addr, sizeof(struct rfd), PCI_DMA_BIDIRECTIONAL); @@ -2729,6 +2737,20 @@ static int e100_close(struct net_device *netdev) return 0; } +static int e100_set_features(struct net_device *netdev, + netdev_features_t features) +{ + struct nic *nic = netdev_priv(netdev); + netdev_features_t changed = features ^ netdev->features; + + if (!(changed & (NETIF_F_RXFCS))) + return 0; + + netdev->features = features; + e100_exec_cb(nic, NULL, e100_configure); + return 0; +} + static const struct net_device_ops e100_netdev_ops = { .ndo_open = e100_open, .ndo_stop = e100_close, @@ -2742,6 +2764,7 @@ static const struct net_device_ops e100_netdev_ops = { #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = e100_netpoll, #endif + .ndo_set_features = e100_set_features, }; static int __devinit e100_probe(struct pci_dev *pdev, @@ -2754,6 +2777,8 @@ static int __devinit e100_probe(struct pci_dev *pdev, if (!(netdev = alloc_etherdev(sizeof(struct nic)))) return -ENOMEM; + netdev->hw_features |= NETIF_F_RXFCS; + netdev->netdev_ops = &e100_netdev_ops; SET_ETHTOOL_OPS(netdev, &e100_ethtool_ops); netdev->watchdog_timeo = E100_WATCHDOG_PERIOD; |