From 49fdbd23418f5b18536d02f257096bd71fc83086 Mon Sep 17 00:00:00 2001 From: Aya Levin Date: Tue, 26 Jan 2021 15:24:18 -0800 Subject: [PATCH] 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: Aya Levin Reviewed-by: Moshe Shemesh Reviewed-by: Tariq Toukan Signed-off-by: Tariq Toukan Signed-off-by: Saeed Mahameed Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/mellanox/mlx5/core/en/trap.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c b/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c index 5507efacb9dc..d078281dbd1d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/trap.c @@ -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;