Commit 49fdbd23 authored by Aya Levin's avatar Aya Levin Committed by Jakub Kicinski
Browse files

net/mlx5e: Add listener to DMAC filter trap event 



Add support for trapping packets which didn't match any DMAC in the MAC
table. Add a listener which adds/removes MAC trap rule in the flow
steering according to the trap's action trap/drop.

Signed-off-by: default avatarAya Levin <ayal@nvidia.com>
Reviewed-by: default avatarMoshe Shemesh <moshe@nvidia.com>
Reviewed-by: default avatarTariq Toukan <tariqt@nvidia.com>
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 70038b73

drivers/net/ethernet/mellanox/mlx5/core/en/trap.c

+8 −0
Original line number Diff line number Diff line
@@ -360,6 +360,11 @@ static int mlx5e_handle_action_trap(struct mlx5e_priv *priv, int trap_id) 
		if (err)

			goto err_out;

		break;

	case DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER:

		err = mlx5e_add_mac_trap(priv, trap_id, mlx5e_trap_get_tirn(priv->en_trap));

		if (err)

			goto err_out;

		break;

	default:

		netdev_warn(priv->netdev, "%s: Unknown trap id %d\n", __func__, trap_id);

		err = -EINVAL;
@@ -379,6 +384,9 @@ static int mlx5e_handle_action_drop(struct mlx5e_priv *priv, int trap_id) 
	case DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER:

		mlx5e_remove_vlan_trap(priv);

		break;

	case DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER:

		mlx5e_remove_mac_trap(priv);

		break;

	default:

		netdev_warn(priv->netdev, "%s: Unknown trap id %d\n", __func__, trap_id);

		return -EINVAL;