[PATCH v1] net/mlx5: use reg to match eswitch manager

[Rongwei Liu]

Rdma-core exposes E-Switch Manager vport metadata
for matching in flow rules.
Use that metadata when available.

Signed-off-by: Rongwei Liu <rongw...@nvidia.com>
Acked-by: Dariusz Sosnowski <dsosnow...@nvidia.com>
---
 drivers/net/mlx5/mlx5_flow_dv.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index c217634d9b..d555a9cdcb 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -10885,9 +10885,21 @@ flow_dv_translate_item_port_id(struct rte_eth_dev 
*dev, void *key,
 
        MLX5_ASSERT(wks);
        if (pid_v && pid_v->id == MLX5_PORT_ESW_MGR) {
-               flow_dv_translate_item_source_vport(key,
-                               key_type & MLX5_SET_MATCHER_V ?
-                               mlx5_flow_get_esw_manager_vport_id(dev) : 
0xffff);
+               priv = dev->data->dev_private;
+               if (priv->sh->dev_cap.esw_info.regc_mask) {
+                       if (key_type & MLX5_SET_MATCHER_M) {
+                               vport_meta = 
priv->sh->dev_cap.esw_info.regc_mask;
+                       } else {
+                               vport_meta = 
priv->sh->dev_cap.esw_info.regc_value;
+                               wks->vport_meta_tag = vport_meta;
+                       }
+                       flow_dv_translate_item_meta_vport(key, vport_meta,
+                                                         
priv->sh->dev_cap.esw_info.regc_mask);
+               } else {
+                       flow_dv_translate_item_source_vport(key,
+                                       key_type & MLX5_SET_MATCHER_V ?
+                                       mlx5_flow_get_esw_manager_vport_id(dev) 
: 0xffff);
+               }
                return 0;
        }
        mask = pid_m ? pid_m->id : 0xffff;
-- 
2.27.0