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net/mlx5e: Prevent PFC call for non ethernet ports

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Port flow control supported only for ethernet ports,
therefore, prevent any call if the port type differs from
MLX5_CAP_PORT_TYPE_ETH.

Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Feras Daoud 2017-06-04 17:45:02 +03:00 committed by Saeed Mahameed
parent 4301ba7b3e
commit c66f2091c9
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
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@ -135,6 +135,9 @@ static unsigned long mlx5e_query_pfc_combined(struct mlx5e_priv *priv)
u8 pfc_en_rx;
int err;
if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
return 0;
err = mlx5_query_port_pfc(mdev, &pfc_en_tx, &pfc_en_rx);
return err ? 0 : pfc_en_tx | pfc_en_rx;
@ -147,6 +150,9 @@ static bool mlx5e_query_global_pause_combined(struct mlx5e_priv *priv)
u32 tx_pause;
int err;
if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
return false;
err = mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
return err ? false : rx_pause | tx_pause;