net/mlx5: Register to devlink DMAC filter trap

Core driver is registered to the devlink traps service, which enables the
admin to redeem packets that were destined to be dropped due to a
particular reason. Register to DMAC filter, allow visibility of packets
that were filtered out by the MAC table.
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>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mellanox/mlx5/core/devlink.c

@@ -449,6 +449,7 @@ static void mlx5_devlink_set_params_init_values(struct devlink *devlink)
 
 static const struct devlink_trap mlx5_traps_arr[] = {
 	MLX5_TRAP_DROP(INGRESS_VLAN_FILTER, L2_DROPS),
+	MLX5_TRAP_DROP(DMAC_FILTER, L2_DROPS),
 };
 
 static const struct devlink_trap_group mlx5_trap_groups_arr[] = {