net/mlx5: E-Switch, Enable vport metadata matching if firmware supports it (92ab1eb3) · Commits · 戴 / test

As the ingress ACL rules save vhca id and vport number to packet's metadata REG_C_0, and the metadata matching for the rules in both fast path and slow path are all added, enable this feature if supported. Signed-off-by:

Jianbo Liu <jianbol@mellanox.com> Reviewed-by:

Roi Dayan <roid@mellanox.com> Reviewed-by:

Mark Bloch <markb@mellanox.com> Signed-off-by:

Saeed Mahameed <saeedm@mellanox.com>

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

+23 −0

Original line number	Diff line number	Diff line
		@@ -1904,12 +1904,35 @@ out:
		return err;
		}

		static bool
		esw_check_vport_match_metadata_supported(const struct mlx5_eswitch *esw)
		{
		if (!MLX5_CAP_ESW(esw->dev, esw_uplink_ingress_acl))
		return false;

		if (!(MLX5_CAP_ESW_FLOWTABLE(esw->dev, fdb_to_vport_reg_c_id) &
		MLX5_FDB_TO_VPORT_REG_C_0))
		return false;

		if (!MLX5_CAP_ESW_FLOWTABLE(esw->dev, flow_source))
		return false;

		if (mlx5_core_is_ecpf_esw_manager(esw->dev) \|\|
		mlx5_ecpf_vport_exists(esw->dev))
		return false;

		return true;
		}

		static int esw_create_offloads_acl_tables(struct mlx5_eswitch *esw)
		{
		struct mlx5_vport *vport;
		int i, j;
		int err;

		if (esw_check_vport_match_metadata_supported(esw))
		esw->flags \|= MLX5_ESWITCH_VPORT_MATCH_METADATA;

		mlx5_esw_for_all_vports(esw, i, vport) {
		err = esw_vport_ingress_common_config(esw, vport);
		if (err)

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