diff options
| author | Maor Gottlieb <maorg@mellanox.com> | 2020-04-30 21:21:41 +0200 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2020-05-01 21:15:38 +0200 |
| commit | c6bc6041b10f70b617f2d13894311fe62027d292 (patch) | |
| tree | c8db7e5b45942128ddaff78298e9da525a55f94b /drivers/net | |
| parent | net/mlx5: Change lag mutex lock to spin lock (diff) | |
| download | linux-c6bc6041b10f70b617f2d13894311fe62027d292.tar.xz linux-c6bc6041b10f70b617f2d13894311fe62027d292.zip | |
net/mlx5: Add support to get lag physical port
Add function to get the device physical port of the lag slave.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index b17b80bcd045..874c70e8cc54 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -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, |