[PATCH v2] net/mlx5: enable hint in async table

Rongwei Liu rongweil at nvidia.com
Mon Mar 6 12:36:52 CET 2023


Driver gets the hint value from rte_table_attr for async flow.
Parse the value and pass the supported value to hardware accordingly.

Signed-off-by: Rongwei Liu <rongweil at nvidia.com>
---
 drivers/net/mlx5/mlx5_flow_hw.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/mlx5/mlx5_flow_hw.c b/drivers/net/mlx5/mlx5_flow_hw.c
index b67b33bc22..70b8e130e8 100644
--- a/drivers/net/mlx5/mlx5_flow_hw.c
+++ b/drivers/net/mlx5/mlx5_flow_hw.c
@@ -3098,10 +3098,20 @@ flow_hw_table_create(struct rte_eth_dev *dev,
 	grp = container_of(ge, struct mlx5_flow_group, entry);
 	tbl->grp = grp;
 	/* Prepare matcher information. */
+	matcher_attr.optimize_flow_src = MLX5DR_MATCHER_FLOW_SRC_ANY;
 	matcher_attr.priority = attr->flow_attr.priority;
 	matcher_attr.optimize_using_rule_idx = true;
 	matcher_attr.mode = MLX5DR_MATCHER_RESOURCE_MODE_RULE;
 	matcher_attr.rule.num_log = rte_log2_u32(nb_flows);
+	/* Parse hints information. */
+	if (attr->specialize) {
+		if (attr->specialize == RTE_FLOW_TABLE_SPECIALIZE_TRANSFER_WIRE_ORIG)
+			matcher_attr.optimize_flow_src = MLX5DR_MATCHER_FLOW_SRC_WIRE;
+		else if (attr->specialize == RTE_FLOW_TABLE_SPECIALIZE_TRANSFER_VPORT_ORIG)
+			matcher_attr.optimize_flow_src = MLX5DR_MATCHER_FLOW_SRC_VPORT;
+		else
+			DRV_LOG(INFO, "Unsupported hint value %x", attr->specialize);
+	}
 	/* Build the item template. */
 	for (i = 0; i < nb_item_templates; i++) {
 		uint32_t ret;
-- 
2.27.0



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