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net/mlx5e: Add support for UDP tunnel segmentation with outer checksum offload

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This patch assumes that the mlx5 hardware will ignore existing IPv4/v6
header fields for length and checksum as well as the length and checksum
fields for outer UDP headers.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2016-05-02 09:38:43 -07:00 committed by David S. Miller
parent 09067122db
commit b49663c8fb
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -2802,13 +2802,18 @@ static void mlx5e_build_netdev(struct net_device *netdev)
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
if (mlx5e_vxlan_allowed(mdev)) {
netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_GSO_UDP_TUNNEL_CSUM |
NETIF_F_GSO_PARTIAL;
netdev->hw_enc_features |= NETIF_F_IP_CSUM;
netdev->hw_enc_features |= NETIF_F_RXCSUM;
netdev->hw_enc_features |= NETIF_F_TSO;
netdev->hw_enc_features |= NETIF_F_TSO6;
netdev->hw_enc_features |= NETIF_F_RXHASH;
netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL;
netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM |
NETIF_F_GSO_PARTIAL;
netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM;
}
mlx5_query_port_fcs(mdev, &fcs_supported, &fcs_enabled);