[dpdk-dev] [PATCH v2 4/5] regex/mlx5: add support for priority match

[Ori Kam <orika@nvidia.com>]

The high priority match request flags means that the
RegEx engine should stop on the first match.

This commit add this flag check to the RegEx engine.

Signed-off-by: Ori Kam <orika@nvidia.com>
---
 drivers/regex/mlx5/mlx5_regex_fastpath.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/regex/mlx5/mlx5_regex_fastpath.c b/drivers/regex/mlx5/mlx5_regex_fastpath.c
index 8d134ac98e..ee72f89c99 100644
--- a/drivers/regex/mlx5/mlx5_regex_fastpath.c
+++ b/drivers/regex/mlx5/mlx5_regex_fastpath.c
@@ -113,6 +113,8 @@ prep_one(struct mlx5_regex_priv *priv, struct mlx5_regex_qp *qp,
 				op->group_id2 : 0;
 	uint16_t group3 = op->req_flags & RTE_REGEX_OPS_REQ_GROUP_ID3_VALID_F ?
 				op->group_id3 : 0;
+	uint8_t control = op->req_flags &
+				RTE_REGEX_OPS_REQ_MATCH_HIGH_PRIORITY_F ? 1 : 0;
 
 	/* For backward compatibility. */
 	if (!(op->req_flags & (RTE_REGEX_OPS_REQ_GROUP_ID0_VALID_F |
@@ -131,7 +133,7 @@ prep_one(struct mlx5_regex_priv *priv, struct mlx5_regex_qp *qp,
 			 MLX5_OPCODE_MMO, MLX5_OPC_MOD_MMO_REGEX, sq->obj->id,
 			 0, ds, 0, 0);
 	set_regex_ctrl_seg(wqe + 12, 0, group0, group1, group2, group3,
-			   0);
+			   control);
 	struct mlx5_wqe_data_seg *input_seg =
 		(struct mlx5_wqe_data_seg *)(wqe +
 					     MLX5_REGEX_WQE_GATHER_OFFSET);
-- 
2.25.1