[net-next 02/10] net/mlx5e: Prevent PFC call for non ethernet ports

[Saeed Mahameed]

From: Feras Daoud <fera...@mellanox.com>

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 <fera...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c 
b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 216752070391..7408c298ce2f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -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;
-- 
2.11.0