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net/mlx5e: Prevent HW-GRO and CQE-COMPRESS features operate together 

HW-GRO and CQE-COMPRESS are mutually exclusive, this commit adds this
restriction.

Signed-off-by: Khalid Manaa <khalidm@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Khalid Manaa 2021-10-11 10:36:24 +03:00 committed by Saeed Mahameed
parent 83439f3c37
commit ae3452995b
2 changed files with 10 additions and 0 deletions
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5
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
View File

@ -1900,6 +1900,11 @@ int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val
return -EINVAL;
}
if (priv->channels.params.packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) {
netdev_warn(priv->netdev, "Can't set CQE compression with HW-GRO, disable it first.\n");
return -EINVAL;
}
new_params = priv->channels.params;
MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
if (rx_filter)

5
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
View File

@ -3560,6 +3560,11 @@ static int set_feature_hw_gro(struct net_device *netdev, bool enable)
new_params = priv->channels.params;
if (enable) {
if (MLX5E_GET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS)) {
netdev_warn(netdev, "Can't set HW-GRO when CQE compress is active\n");
err = -EINVAL;
goto out;
}
new_params.packet_merge.type = MLX5E_PACKET_MERGE_SHAMPO;
new_params.packet_merge.shampo.match_criteria_type =
MLX5_RQC_SHAMPO_MATCH_CRITERIA_TYPE_EXTENDED;