net/mlx5e: Support TSO and TX checksum offloads for IP-in-IP

tunnels

Add TX offloads support for IP-in-IP tunneled packets by reporting
the needed netdev features.

Signed-off-by: Marina Varshaver <marinav@mellanox.com>
Signed-off-by: Avihu Hagag <avihuh@mellanox.com>
Reviewed-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 327c90d..9ff28e2 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4243,6 +4243,8 @@ static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv,
 
        switch (proto) {
        case IPPROTO_GRE:
+       case IPPROTO_IPIP:
+       case IPPROTO_IPV6:
                return features;
        case IPPROTO_UDP:
                udph = udp_hdr(skb);
@@ -4903,6 +4905,15 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
                                                NETIF_F_GSO_GRE_CSUM;
        }
 
+       if (mlx5e_tunnel_proto_supported(mdev, IPPROTO_IPIP)) {
+               netdev->hw_features |= NETIF_F_GSO_IPXIP4 |
+                                      NETIF_F_GSO_IPXIP6;
+               netdev->hw_enc_features |= NETIF_F_GSO_IPXIP4 |
+                                          NETIF_F_GSO_IPXIP6;
+               netdev->gso_partial_features |= NETIF_F_GSO_IPXIP4 |
+                                               NETIF_F_GSO_IPXIP6;
+       }
+
        netdev->hw_features                      |= NETIF_F_GSO_PARTIAL;
        netdev->gso_partial_features             |= NETIF_F_GSO_UDP_L4;
        netdev->hw_features                      |= NETIF_F_GSO_UDP_L4;