From: Huy Nguyen <huyn@mellanox.com>
Date: Sun, 27 Nov 2016 15:02:03 +0000 (+0200)
Subject: net/mlx5e: Add qos capability check
X-Git-Tag: v4.14-rc1~1973^2~173^2~9
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=80653f73c53de8f5874e03d0d3bdd1943c2a33cf;p=platform%2Fkernel%2Flinux-rpi3.git

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>
---

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 19403d6..2b42112 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -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;