diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index 1753182e8959..7f6c225666c1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -287,13 +287,34 @@ static int mlx5e_dcbnl_ieee_setpfc(struct net_device *dev, static u8 mlx5e_dcbnl_getdcbx(struct net_device *dev) { - return DCB_CAP_DCBX_HOST | - DCB_CAP_DCBX_VER_IEEE | - DCB_CAP_DCBX_VER_CEE; + struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5e_dcbx *dcbx = &priv->dcbx; + u8 mode = DCB_CAP_DCBX_VER_IEEE | DCB_CAP_DCBX_VER_CEE; + + if (dcbx->mode == MLX5E_DCBX_PARAM_VER_OPER_HOST) + mode |= DCB_CAP_DCBX_HOST; + + return mode; } static u8 mlx5e_dcbnl_setdcbx(struct net_device *dev, u8 mode) { + struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5e_dcbx *dcbx = &priv->dcbx; + + if ((!mode) && MLX5_CAP_GEN(priv->mdev, dcbx)) { + if (dcbx->mode == MLX5E_DCBX_PARAM_VER_OPER_AUTO) + return 0; + + /* set dcbx to fw controlled */ + if (!mlx5e_dcbnl_set_dcbx_mode(priv, MLX5E_DCBX_PARAM_VER_OPER_AUTO)) { + dcbx->mode = MLX5E_DCBX_PARAM_VER_OPER_AUTO; + return 0; + } + + return 1; + } + if (mlx5e_dcbnl_switch_to_host_mode(netdev_priv(dev))) return 1; |