diff options
| author | Gal Pressman <galp@mellanox.com> | 2016-06-23 17:02:42 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-27 04:10:41 -0400 |
| commit | 667daedaecd15b89d0ded7af49519f28d6ea2cf4 (patch) | |
| tree | a3d9e5cecbd2145bb5be79bcca4cfb3189ce2abe /drivers/net/ethernet/mellanox/mlx5/core/port.c | |
| parent | cb3c7fd4f8393e0c42cbb13367b60454ae4e05f7 (diff) | |
net/mlx5e: Toggle link only after modifying port parameters
Add a dedicated function to toggle port link. It should be called only
after setting a port register.
Toggle will set port link to down and bring it back up in case that it's
admin status was up.
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/port.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/port.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c index 3e35611b19c3..1562e7310f5b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c @@ -222,6 +222,18 @@ int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin, } EXPORT_SYMBOL_GPL(mlx5_set_port_proto); +/* This function should be used after setting a port register only */ +void mlx5_toggle_port_link(struct mlx5_core_dev *dev) +{ + enum mlx5_port_status ps; + + mlx5_query_port_admin_status(dev, &ps); + mlx5_set_port_admin_status(dev, MLX5_PORT_DOWN); + if (ps == MLX5_PORT_UP) + mlx5_set_port_admin_status(dev, MLX5_PORT_UP); +} +EXPORT_SYMBOL_GPL(mlx5_toggle_port_link); + int mlx5_set_port_admin_status(struct mlx5_core_dev *dev, enum mlx5_port_status status) { |