diff mbox series

[net-next,13/14] net/mlx5e: Add listener to DMAC filter trap event

Message ID 20210126232419.175836-14-saeedm@nvidia.com (mailing list archive)
State Accepted
Delegated to: Netdev Maintainers
Headers show
Series [net-next,01/14] devlink: Add DMAC filter generic packet trap | expand

Checks

Context Check Description
netdev/cover_letter success Pull request
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 2 maintainers not CCed: linux-rdma@vger.kernel.org leon@kernel.org
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch warning WARNING: line length of 92 exceeds 80 columns
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Saeed Mahameed Jan. 26, 2021, 11:24 p.m. UTC 
From: Aya Levin <ayal@nvidia.com>

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 <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en/trap.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

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;