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| author | Aya Levin <ayal@nvidia.com> | 2021-05-03 17:16:44 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2021-06-01 18:30:21 -0700 |
| commit | 5349cbba754ee54f6cca8b946aa9172f1ac60b8c (patch) | |
| tree | 0b81426b59f653694a38f388b1f64cc6fe3c8290 /drivers/net/ethernet/mellanox | |
| parent | 256f79d13c1d1fe53b2b31ab2089b615bbfcd361 (diff) | |
| download | linux-5349cbba754ee54f6cca8b946aa9172f1ac60b8c.tar.gz linux-5349cbba754ee54f6cca8b946aa9172f1ac60b8c.tar.bz2 linux-5349cbba754ee54f6cca8b946aa9172f1ac60b8c.zip | |
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: 885b8cfb161e ("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>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index c4724742eef1..d6513aef5cd4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -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) |