net/mlx5e: Block offload of outer header csum for GRE tunnel

The device is able to offload either the outer header csum or inner
header csum. The driver utilizes the inner csum offload. So, prohibit
setting of tx-gre-csum-segmentation and let it be: off[fixed].

Fixes: 64befd7a504b ("net/mlx5e: Support TSO and TX checksum offloads for GRE tunnels")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index d4167f7be99ca0a1d9e858af70820bef64d60fdf..d26b8ed511959805836435dfbd3b589082ba9fe6 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4828,12 +4828,9 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
        }
 
        if (mlx5e_tunnel_proto_supported_tx(mdev, IPPROTO_GRE)) {
-               netdev->hw_features     |= NETIF_F_GSO_GRE |
-                                          NETIF_F_GSO_GRE_CSUM;
-               netdev->hw_enc_features |= NETIF_F_GSO_GRE |
-                                          NETIF_F_GSO_GRE_CSUM;
-               netdev->gso_partial_features |= NETIF_F_GSO_GRE |
-                                               NETIF_F_GSO_GRE_CSUM;
+               netdev->hw_features     |= NETIF_F_GSO_GRE;
+               netdev->hw_enc_features |= NETIF_F_GSO_GRE;
+               netdev->gso_partial_features |= NETIF_F_GSO_GRE;
        }
 
        if (mlx5e_tunnel_proto_supported_tx(mdev, IPPROTO_IPIP)) {