diff options
| -rw-r--r-- | drivers/net/bnx2.c | 91 | ||||
| -rw-r--r-- | drivers/net/bnx2.h | 4 |
2 files changed, 67 insertions, 28 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 89681b3..01977de 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -4537,35 +4537,49 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) u32 tcp_opt_len, ip_tcp_len; struct iphdr *iph; - if (skb_header_cloned(skb) && - pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - vlan_tag_flags |= TX_BD_FLAGS_SW_LSO; - tcp_opt_len = 0; - if (tcp_hdr(skb)->doff > 5) - tcp_opt_len = tcp_optlen(skb); + tcp_opt_len = tcp_optlen(skb); + + if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) { + u32 tcp_off = skb_transport_offset(skb) - + sizeof(struct ipv6hdr) - ETH_HLEN; - ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr); + vlan_tag_flags |= ((tcp_opt_len >> 2) << 8) | + TX_BD_FLAGS_SW_FLAGS; + if (likely(tcp_off == 0)) + vlan_tag_flags &= ~TX_BD_FLAGS_TCP6_OFF0_MSK; + else { + tcp_off >>= 3; + vlan_tag_flags |= ((tcp_off & 0x3) << + TX_BD_FLAGS_TCP6_OFF0_SHL) | + ((tcp_off & 0x10) << + TX_BD_FLAGS_TCP6_OFF4_SHL); + mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL; + } + } else { + if (skb_header_cloned(skb) && + pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { + dev_kfree_skb(skb); + return NETDEV_TX_OK; + } - iph = ip_hdr(skb); - iph->check = 0; - iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len); - tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, - iph->daddr, 0, - IPPROTO_TCP, 0); - if (tcp_opt_len || (iph->ihl > 5)) { - vlan_tag_flags |= ((iph->ihl - 5) + - (tcp_opt_len >> 2)) << 8; + ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr); + + iph = ip_hdr(skb); + iph->check = 0; + iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len); + tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, + iph->daddr, 0, + IPPROTO_TCP, + 0); + if (tcp_opt_len || (iph->ihl > 5)) { + vlan_tag_flags |= ((iph->ihl - 5) + + (tcp_opt_len >> 2)) << 8; + } } - } - else - { + } else mss = 0; - } mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE); @@ -5233,10 +5247,15 @@ bnx2_set_rx_csum(struct net_device *dev, u32 data) static int bnx2_set_tso(struct net_device *dev, u32 data) { - if (data) + struct bnx2 *bp = netdev_priv(dev); + + if (data) { dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN; - else - dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN); + if (CHIP_NUM(bp) == CHIP_NUM_5709) + dev->features |= NETIF_F_TSO6; + } else + dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6 | + NETIF_F_TSO_ECN); return 0; } @@ -5534,6 +5553,17 @@ bnx2_phys_id(struct net_device *dev, u32 data) return 0; } +static int +bnx2_set_tx_csum(struct net_device *dev, u32 data) +{ + struct bnx2 *bp = netdev_priv(dev); + + if (CHIP_NUM(bp) == CHIP_NUM_5709) + return (ethtool_op_set_tx_hw_csum(dev, data)); + else + return (ethtool_op_set_tx_csum(dev, data)); +} + static const struct ethtool_ops bnx2_ethtool_ops = { .get_settings = bnx2_get_settings, .set_settings = bnx2_set_settings, @@ -5556,7 +5586,7 @@ static const struct ethtool_ops bnx2_ethtool_ops = { .get_rx_csum = bnx2_get_rx_csum, .set_rx_csum = bnx2_set_rx_csum, .get_tx_csum = ethtool_op_get_tx_csum, - .set_tx_csum = ethtool_op_set_tx_csum, + .set_tx_csum = bnx2_set_tx_csum, .get_sg = ethtool_op_get_sg, .set_sg = ethtool_op_set_sg, .get_tso = ethtool_op_get_tso, @@ -6094,11 +6124,16 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) memcpy(dev->perm_addr, bp->mac_addr, 6); bp->name = board_info[ent->driver_data].name; - dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; + if (CHIP_NUM(bp) == CHIP_NUM_5709) + dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; + else + dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; #ifdef BCM_VLAN dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; #endif dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN; + if (CHIP_NUM(bp) == CHIP_NUM_5709) + dev->features |= NETIF_F_TSO6; if ((rc = register_netdev(dev))) { dev_err(&pdev->dev, "Cannot register net device\n"); diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 8e7b29a..70fb639 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -24,8 +24,11 @@ struct tx_bd { u32 tx_bd_haddr_hi; u32 tx_bd_haddr_lo; u32 tx_bd_mss_nbytes; + #define TX_BD_TCP6_OFF2_SHL (14) u32 tx_bd_vlan_tag_flags; #define TX_BD_FLAGS_CONN_FAULT (1<<0) + #define TX_BD_FLAGS_TCP6_OFF0_MSK (3<<1) + #define TX_BD_FLAGS_TCP6_OFF0_SHL (1) #define TX_BD_FLAGS_TCP_UDP_CKSUM (1<<1) #define TX_BD_FLAGS_IP_CKSUM (1<<2) #define TX_BD_FLAGS_VLAN_TAG (1<<3) @@ -34,6 +37,7 @@ struct tx_bd { #define TX_BD_FLAGS_END (1<<6) #define TX_BD_FLAGS_START (1<<7) #define TX_BD_FLAGS_SW_OPTION_WORD (0x1f<<8) + #define TX_BD_FLAGS_TCP6_OFF4_SHL (12) #define TX_BD_FLAGS_SW_FLAGS (1<<13) #define TX_BD_FLAGS_SW_SNAP (1<<14) #define TX_BD_FLAGS_SW_LSO (1<<15) |