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Message-Id: <20210610002155.196735-13-saeed@kernel.org>
Date:   Wed,  9 Jun 2021 17:21:55 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Tariq Toukan <tariqt@...dia.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Aya Levin <ayal@...dia.com>, Saeed Mahameed <saeedm@...dia.com>
Subject: [net 12/12] net/mlx5e: Block offload of outer header csum for GRE tunnel

From: Aya Levin <ayal@...dia.com>

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: 2729984149e6 ("net/mlx5e: Support TSO and TX checksum offloads for GRE tunnels")
Signed-off-by: Aya Levin <ayal@...dia.com>
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index d4167f7be99c..d26b8ed51195 100644
--- 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)) {
-- 
2.31.1

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