From: Huy Nguyen <h...@mellanox.com>
Use setdcbx interface to set the DCBX mode to firmware or os.
If setdcbx is called with mode value of zero, the DCBX mode
is set to firmware.
Signed-off-by: Huy Nguyen <h...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 27 +++++++++++++++++++---
1 file 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 2e94717..64c45e9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -288,13 +288,34 @@ 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;
--
2.7.4
