diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 66 |
1 files changed, 54 insertions, 12 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index ab28dc2..900562e 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -6912,31 +6912,55 @@ static void ixgbe_tx_csum(struct ixgbe_ring *tx_ring, if (!(first->tx_flags & IXGBE_TX_FLAGS_HW_VLAN) && !(first->tx_flags & IXGBE_TX_FLAGS_CC)) return; + vlan_macip_lens = skb_network_offset(skb) << + IXGBE_ADVTXD_MACLEN_SHIFT; } else { u8 l4_hdr = 0; - switch (first->protocol) { - case htons(ETH_P_IP): - vlan_macip_lens |= skb_network_header_len(skb); + union { + struct iphdr *ipv4; + struct ipv6hdr *ipv6; + u8 *raw; + } network_hdr; + union { + struct tcphdr *tcphdr; + u8 *raw; + } transport_hdr; + + if (skb->encapsulation) { + network_hdr.raw = skb_inner_network_header(skb); + transport_hdr.raw = skb_inner_transport_header(skb); + vlan_macip_lens = skb_inner_network_offset(skb) << + IXGBE_ADVTXD_MACLEN_SHIFT; + } else { + network_hdr.raw = skb_network_header(skb); + transport_hdr.raw = skb_transport_header(skb); + vlan_macip_lens = skb_network_offset(skb) << + IXGBE_ADVTXD_MACLEN_SHIFT; + } + + /* use first 4 bits to determine IP version */ + switch (network_hdr.ipv4->version) { + case IPVERSION: + vlan_macip_lens |= transport_hdr.raw - network_hdr.raw; type_tucmd |= IXGBE_ADVTXD_TUCMD_IPV4; - l4_hdr = ip_hdr(skb)->protocol; + l4_hdr = network_hdr.ipv4->protocol; break; - case htons(ETH_P_IPV6): - vlan_macip_lens |= skb_network_header_len(skb); - l4_hdr = ipv6_hdr(skb)->nexthdr; + case 6: + vlan_macip_lens |= transport_hdr.raw - network_hdr.raw; + l4_hdr = network_hdr.ipv6->nexthdr; break; default: if (unlikely(net_ratelimit())) { dev_warn(tx_ring->dev, - "partial checksum but proto=%x!\n", - first->protocol); + "partial checksum but version=%d\n", + network_hdr.ipv4->version); } - break; } switch (l4_hdr) { case IPPROTO_TCP: type_tucmd |= IXGBE_ADVTXD_TUCMD_L4T_TCP; - mss_l4len_idx = tcp_hdrlen(skb) << + mss_l4len_idx = (transport_hdr.tcphdr->doff * 4) << IXGBE_ADVTXD_L4LEN_SHIFT; break; case IPPROTO_SCTP: @@ -6962,7 +6986,6 @@ static void ixgbe_tx_csum(struct ixgbe_ring *tx_ring, } /* vlan_macip_lens: MACLEN, VLAN tag */ - vlan_macip_lens |= skb_network_offset(skb) << IXGBE_ADVTXD_MACLEN_SHIFT; vlan_macip_lens |= first->tx_flags & IXGBE_TX_FLAGS_VLAN_MASK; ixgbe_tx_ctxtdesc(tx_ring, vlan_macip_lens, 0, @@ -8207,6 +8230,21 @@ static void ixgbe_fwd_del(struct net_device *pdev, void *priv) kfree(fwd_adapter); } +#define IXGBE_MAX_TUNNEL_HDR_LEN 80 +static netdev_features_t +ixgbe_features_check(struct sk_buff *skb, struct net_device *dev, + netdev_features_t features) +{ + if (!skb->encapsulation) + return features; + + if (unlikely(skb_inner_mac_header(skb) - skb_transport_header(skb) > + IXGBE_MAX_TUNNEL_HDR_LEN)) + return features & ~NETIF_F_ALL_CSUM; + + return features; +} + static const struct net_device_ops ixgbe_netdev_ops = { .ndo_open = ixgbe_open, .ndo_stop = ixgbe_close, @@ -8254,6 +8292,7 @@ static const struct net_device_ops ixgbe_netdev_ops = { .ndo_dfwd_del_station = ixgbe_fwd_del, .ndo_add_vxlan_port = ixgbe_add_vxlan_port, .ndo_del_vxlan_port = ixgbe_del_vxlan_port, + .ndo_features_check = ixgbe_features_check, }; /** @@ -8613,6 +8652,9 @@ skip_sriov: netdev->vlan_features |= NETIF_F_IPV6_CSUM; netdev->vlan_features |= NETIF_F_SG; + netdev->hw_enc_features |= NETIF_F_SG | NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM; + netdev->priv_flags |= IFF_UNICAST_FLT; netdev->priv_flags |= IFF_SUPP_NOFCS; |