diff options
| author | Huy Nguyen <huyn@mellanox.com> | 2017-07-13 21:45:11 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2017-08-30 21:20:42 +0300 |
| commit | 33c52b6718d2a6cb414440c98560818910d896dc (patch) | |
| tree | 460979e6104120a046515b4c06147ceffdccb214 /drivers | |
| parent | 183db481279437590f75a8a0479d512e5dd597de (diff) | |
| download | linux-33c52b6718d2a6cb414440c98560818910d896dc.tar.xz | |
net/mlx5e: Check for qos capability in dcbnl_initialize
qos capability is the master capability bit that determines
if the DCBX is supported for the PCI function. If this bit is off,
driver cannot run any dcbx code.
Fixes: e207b7e99176 ("net/mlx5e: ConnectX-4 firmware support for DCBX")
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index 2eb54d36e16e..810b51029c7f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -754,6 +754,9 @@ void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv) { struct mlx5e_dcbx *dcbx = &priv->dcbx; + if (!MLX5_CAP_GEN(priv->mdev, qos)) + return; + if (MLX5_CAP_GEN(priv->mdev, dcbx)) mlx5e_dcbnl_query_dcbx_mode(priv, &dcbx->mode); |