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net/mlx5e: Fix error path for ethtool set-priv-flag

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[ Upstream commit 4eacfe72e3 ]

Expose error value when failing to comply to command:
$ ethtool --set-priv-flags eth2 rx_cqe_compress [on/off]

Fixes: be7e87f92b ("net/mlx5e: Fail safe cqe compressing/moderation mode setting")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Aya Levin 2021-03-11 17:46:35 +02:00 committed by Greg Kroah-Hartman
parent 624f0dc8f7
commit 08a5f812ad
1 changed files with 5 additions and 1 deletions
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6
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
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@ -1873,6 +1873,7 @@ static int set_pflag_rx_cqe_compress(struct net_device *netdev,
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
int err;
if (!MLX5_CAP_GEN(mdev, cqe_compression))
return -EOPNOTSUPP;
@ -1882,7 +1883,10 @@ static int set_pflag_rx_cqe_compress(struct net_device *netdev,
return -EINVAL;
}
mlx5e_modify_rx_cqe_compression_locked(priv, enable);
err = mlx5e_modify_rx_cqe_compression_locked(priv, enable);
if (err)
return err;
priv->channels.params.rx_cqe_compress_def = enable;
return 0;