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net/mlx5e: Check ets capability before initializing ets settings 

During the initial setup, the ets command is sent to firmware
without checking if the HCA supports ets. This causes the invalid
command error. Add the ets capiblity check before sending firmware
command to initialize ets settings.

Fixes: e207b7e991 ("net/mlx5e: ConnectX-4 firmware support for DCBX")
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 2016-12-28 14:58:40 +02:00 committed by David S. Miller
parent 1efbd205b3
commit 4525a45bfa
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
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@ -723,6 +723,9 @@ static void mlx5e_ets_init(struct mlx5e_priv *priv)
int i;
struct ieee_ets ets;
if (!MLX5_CAP_GEN(priv->mdev, ets))
return;
memset(&ets, 0, sizeof(ets));
ets.ets_cap = mlx5_max_tc(priv->mdev) + 1;
for (i = 0; i < ets.ets_cap; i++) {