[PATCH] net/mlx5: fix HWS support for item NSH

[Gavin Li]

Allow item NSH in HWS and set item_flags.

Fixes: f6164649a8 ("net/mlx5/hws: support VXLAN-GPE matching")
Signed-off-by: Gavin Li <gavinl at nvidia.com>
Reviewed-by: Bing Zhao <bingz at nvidia.com>
---
 drivers/net/mlx5/hws/mlx5dr_definer.c |  3 +++
 drivers/net/mlx5/mlx5_flow_hw.c       | 13 +++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.c b/drivers/net/mlx5/hws/mlx5dr_definer.c
index a0f95c6923..867393e282 100644
--- a/drivers/net/mlx5/hws/mlx5dr_definer.c
+++ b/drivers/net/mlx5/hws/mlx5dr_definer.c
@@ -3198,6 +3198,9 @@ mlx5dr_definer_conv_items_to_hl(struct mlx5dr_context *ctx,
 			item_flags |= MLX5_FLOW_ITEM_COMPARE;
 			matcher->flags |= MLX5DR_MATCHER_FLAGS_COMPARE;
 			break;
+		case RTE_FLOW_ITEM_TYPE_NSH:
+			item_flags |= MLX5_FLOW_ITEM_NSH;
+			break;
 		case RTE_FLOW_ITEM_TYPE_VOID:
 			break;
 		default:
diff --git a/drivers/net/mlx5/mlx5_flow_hw.c b/drivers/net/mlx5/mlx5_flow_hw.c
index 9ebbe664d1..4587d04cb6 100644
--- a/drivers/net/mlx5/mlx5_flow_hw.c
+++ b/drivers/net/mlx5/mlx5_flow_hw.c
@@ -7475,6 +7475,14 @@ flow_hw_validate_item_compare(const struct rte_flow_item *item,
 	return 0;
 }
 
+static inline int
+mlx5_hw_validate_item_nsh(struct rte_eth_dev *dev,
+			  const struct rte_flow_item *item,
+			  struct rte_flow_error *error)
+{
+	return mlx5_flow_validate_item_nsh(dev, item, error);
+}
+
 static int
 flow_hw_pattern_validate(struct rte_eth_dev *dev,
 			 const struct rte_flow_pattern_template_attr *attr,
@@ -7671,6 +7679,11 @@ flow_hw_pattern_validate(struct rte_eth_dev *dev,
 			 * template and item spec in flow rule.
 			 */
 			break;
+		case RTE_FLOW_ITEM_TYPE_NSH:
+			ret = mlx5_hw_validate_item_nsh(dev, &items[i], error);
+			if (ret < 0)
+				return ret;
+			break;
 		case RTE_FLOW_ITEM_TYPE_END:
 			items_end = true;
 			break;
-- 
2.34.1