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net/mlx5: E-Switch, Enable vport metadata matching if firmware supports it

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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>
This commit is contained in:
Jianbo Liu 2019-06-25 17:48:14 +00:00 committed by Saeed Mahameed
parent 669ff1e32f
commit 92ab1eb392
1 changed files with 23 additions and 0 deletions
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23
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
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@ -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)