net/mlx5e: Block rx-gro-hw feature in switchdev mode
authorAya Levin <ayal@nvidia.com>
Mon, 11 Apr 2022 14:29:08 +0000 (17:29 +0300)
committerSaeed Mahameed <saeedm@nvidia.com>
Wed, 18 May 2022 06:03:54 +0000 (23:03 -0700)
When the driver is in switchdev mode and rx-gro-hw is set, the RQ needs
special CQE handling. Till then, block setting of rx-gro-hw feature in
switchdev mode, to avoid failure while setting the feature due to
failure while opening the RQ.

Fixes: f97d5c2a453e ("net/mlx5e: Add handle SHAMPO cqe support")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
drivers/net/ethernet/mellanox/mlx5/core/en_main.c

index 2f1dedc..9992419 100644 (file)
@@ -3864,6 +3864,10 @@ static netdev_features_t mlx5e_fix_uplink_rep_features(struct net_device *netdev
        if (netdev->features & NETIF_F_NTUPLE)
                netdev_warn(netdev, "Disabling ntuple, not supported in switchdev mode\n");
 
+       features &= ~NETIF_F_GRO_HW;
+       if (netdev->features & NETIF_F_GRO_HW)
+               netdev_warn(netdev, "Disabling HW_GRO, not supported in switchdev mode\n");
+
        return features;
 }