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net/mlx5e: Add qos capability check 

Make sure firmware supports qos before exposing the DCB API.

Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huy Nguyen 2016-11-27 17:02:03 +02:00 committed by David S. Miller
parent 4490001029
commit 80653f73c5
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -3549,7 +3549,8 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
if (MLX5_CAP_GEN(mdev, vport_group_manager)) {
netdev->netdev_ops = &mlx5e_netdev_ops_sriov;
#ifdef CONFIG_MLX5_CORE_EN_DCB
netdev->dcbnl_ops = &mlx5e_dcbnl_ops;
if (MLX5_CAP_GEN(mdev, qos))
netdev->dcbnl_ops = &mlx5e_dcbnl_ops;
#endif
} else {
netdev->netdev_ops = &mlx5e_netdev_ops_basic;