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net/mlx5e: Support DCBNL IEEE PFC

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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>
This commit is contained in:
Achiad Shochat 2016-02-22 18:17:27 +02:00 committed by David S. Miller
parent 08fb1dacdd
commit ef9184335e
1 changed files with 39 additions and 0 deletions
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39
drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
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@ -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,
};