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net/mlx5e: Fix conflict with HW TS and CQE compression 

When a driver's profile doesn't support a dedicated PTP-RQ,
configuration of CQE compression while HW TS is configured should fail.

Fixes: 885b8cfb16 ("net/mlx5e: Update ethtool setting of CQE compression")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Aya Levin 2021-05-03 17:16:44 +03:00 committed by Saeed Mahameed
parent 256f79d13c
commit 5349cbba75
1 changed files with 7 additions and 0 deletions
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7
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
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@ -1894,6 +1894,13 @@ int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val
if (curr_val == new_val)
return 0;
if (new_val && !priv->profile->rx_ptp_support &&
priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) {
netdev_err(priv->netdev,
"Profile doesn't support enabling of CQE compression while hardware time-stamping is enabled.\n");
return -EINVAL;
}
new_params = priv->channels.params;
MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
if (priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE)