diff options
| author | Achiad Shochat <achiad@mellanox.com> | 2016-02-22 18:17:27 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-02-24 13:50:21 -0500 |
| commit | ef9184335e4da720b374a66fe4f80a32982519ca (patch) | |
| tree | 8ac1bb2d08cd5332a13363e7d5ac583678f6fbe5 /drivers/net | |
| parent | 08fb1dacdd763431436d648fd9dc4246e3d5517e (diff) | |
net/mlx5e: Support DCBNL IEEE PFC
Implement the set/get DCBNL IEEE PFC callbacks.
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index 4f097da7e843..39d8069ba9e3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -166,6 +166,43 @@ static int mlx5e_dcbnl_ieee_setets(struct net_device *netdev, return 0; } +static int mlx5e_dcbnl_ieee_getpfc(struct net_device *dev, + struct ieee_pfc *pfc) +{ + struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5_core_dev *mdev = priv->mdev; + + pfc->pfc_cap = mlx5_max_tc(mdev) + 1; + + return mlx5_query_port_pfc(mdev, &pfc->pfc_en, NULL); +} + +static int mlx5e_dcbnl_ieee_setpfc(struct net_device *dev, + struct ieee_pfc *pfc) +{ + struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5_core_dev *mdev = priv->mdev; + enum mlx5_port_status ps; + u8 curr_pfc_en; + int ret; + + mlx5_query_port_pfc(mdev, &curr_pfc_en, NULL); + + if (pfc->pfc_en == curr_pfc_en) + return 0; + + mlx5_query_port_admin_status(mdev, &ps); + if (ps == MLX5_PORT_UP) + mlx5_set_port_admin_status(mdev, MLX5_PORT_DOWN); + + ret = mlx5_set_port_pfc(mdev, pfc->pfc_en, pfc->pfc_en); + + if (ps == MLX5_PORT_UP) + mlx5_set_port_admin_status(mdev, MLX5_PORT_UP); + + return ret; +} + static u8 mlx5e_dcbnl_getdcbx(struct net_device *dev) { return DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_IEEE; @@ -185,6 +222,8 @@ static u8 mlx5e_dcbnl_setdcbx(struct net_device *dev, u8 mode) const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops = { .ieee_getets = mlx5e_dcbnl_ieee_getets, .ieee_setets = mlx5e_dcbnl_ieee_setets, + .ieee_getpfc = mlx5e_dcbnl_ieee_getpfc, + .ieee_setpfc = mlx5e_dcbnl_ieee_setpfc, .getdcbx = mlx5e_dcbnl_getdcbx, .setdcbx = mlx5e_dcbnl_setdcbx, }; |