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net/mlx5e: Print a warning when LRO feature is dropped or not allowed

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When user enables LRO via ethtool and if the RQ mode is legacy,
mlx5e_fix_features drops the request without any explanation.
Add netdev_warn to cover this case.

Fixes: 6c3a823e1e ("net/mlx5e: RX, Remove HW LRO support in legacy RQ")
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Huy Nguyen 2019-06-27 09:24:57 -05:00 committed by Saeed Mahameed
parent 85fd801147
commit 842a2eb28f
1 changed files with 3 additions and 2 deletions
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5
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -3788,9 +3788,10 @@ static netdev_features_t mlx5e_fix_features(struct net_device *netdev,
netdev_warn(netdev, "Dropping C-tag vlan stripping offload due to S-tag vlan\n");
}
if (!MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_STRIDING_RQ)) {
features &= ~NETIF_F_LRO;
if (params->lro_en)
if (features & NETIF_F_LRO) {
netdev_warn(netdev, "Disabling LRO, not supported in legacy RQ\n");
features &= ~NETIF_F_LRO;
}
}
if (MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS)) {