Commit c6bc6041 authored by Maor Gottlieb's avatar Maor Gottlieb Committed by Saeed Mahameed
Browse files

net/mlx5: Add support to get lag physical port 



Add function to get the device physical port of the lag slave.

Signed-off-by: default avatarMaor Gottlieb <maorg@mellanox.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 64363e61

drivers/net/ethernet/mellanox/mlx5/core/lag.c

+24 −0
Original line number Diff line number Diff line
@@ -687,6 +687,30 @@ unlock: 
}

EXPORT_SYMBOL(mlx5_lag_get_roce_netdev);



u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev,

			   struct net_device *slave)

{

	struct mlx5_lag *ldev;

	u8 port = 0;



	spin_lock(&lag_lock);

	ldev = mlx5_lag_dev_get(dev);

	if (!(ldev && __mlx5_lag_is_roce(ldev)))

		goto unlock;



	if (ldev->pf[MLX5_LAG_P1].netdev == slave)

		port = MLX5_LAG_P1;

	else

		port = MLX5_LAG_P2;



	port = ldev->v2p_map[port];



unlock:

	spin_unlock(&lag_lock);

	return port;

}

EXPORT_SYMBOL(mlx5_lag_get_slave_port);



bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv)

{

	struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev,

include/linux/mlx5/driver.h

+2 −0
Original line number Diff line number Diff line
@@ -1074,6 +1074,8 @@ bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev); 
bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev);

bool mlx5_lag_is_active(struct mlx5_core_dev *dev);

struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);

u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev,

			   struct net_device *slave);

int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,

				 u64 *values,

				 int num_counters,

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