[dpdk-dev] [PATCH 01/11] common/mlx5: support receive queue user index

[Xueming Li]

RQ user index is saved in CQE when packet received by RQ.

Signed-off-by: Xueming Li <xuemingl at nvidia.com>
---
 drivers/common/mlx5/mlx5_prm.h           | 8 +++++++-
 drivers/regex/mlx5/mlx5_regex_fastpath.c | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index d361bcf90ef..72af3710a8f 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -393,7 +393,13 @@ struct mlx5_cqe {
 	uint16_t hdr_type_etc;
 	uint16_t vlan_info;
 	uint8_t lro_num_seg;
-	uint8_t rsvd3[3];
+	union {
+		uint8_t user_index_bytes[3];
+		struct {
+			uint8_t user_index_hi;
+			uint16_t user_index_low;
+		} __rte_packed;
+	};
 	uint32_t flow_table_metadata;
 	uint8_t rsvd4[4];
 	uint32_t byte_cnt;
diff --git a/drivers/regex/mlx5/mlx5_regex_fastpath.c b/drivers/regex/mlx5/mlx5_regex_fastpath.c
index c79445ce7d3..a151e4ce8dc 100644
--- a/drivers/regex/mlx5/mlx5_regex_fastpath.c
+++ b/drivers/regex/mlx5/mlx5_regex_fastpath.c
@@ -567,7 +567,7 @@ mlx5_regexdev_dequeue(struct rte_regexdev *dev, uint16_t qp_id,
 		uint16_t wq_counter
 			= (rte_be_to_cpu_16(cqe->wqe_counter) + 1) &
 			  MLX5_REGEX_MAX_WQE_INDEX;
-		size_t sqid = cqe->rsvd3[2];
+		size_t sqid = cqe->user_index_bytes[2];
 		struct mlx5_regex_sq *sq = &queue->sqs[sqid];
 
 		/* UMR mode WQE counter move as WQE set(4 WQEBBS).*/
-- 
2.33.0