net/mlx4_en: Enable DCB ETS ops only when supported by the firmware

[pandora-kernel.git] / drivers / net / ethernet / mellanox / mlx4 / en_netdev.c

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 473c9d2..d2a4f91 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2013,8 +2013,14 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
        INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);
        INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats);
 #ifdef CONFIG_MLX4_EN_DCB
-       if (!mlx4_is_slave(priv->mdev->dev))
-               dev->dcbnl_ops = &mlx4_en_dcbnl_ops;
+       if (!mlx4_is_slave(priv->mdev->dev)) {
+               if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) {
+                       dev->dcbnl_ops = &mlx4_en_dcbnl_ops;
+               } else {
+                       en_info(priv, "enabling only PFC DCB ops\n");
+                       dev->dcbnl_ops = &mlx4_en_dcbnl_pfc_ops;
+               }
+       }
 #endif
 
        for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i)