[dpdk-dev] [PATCH 1/4] common/mlx5: support delay drop capabilities query

[Bing Zhao <bingz@nvidia.com>]

The "rq_delay_drop" capability in the HCA_CAP is checked and saved
in the output data structure for the future usage.

Signed-off-by: Bing Zhao <bingz@nvidia.com>
---
 drivers/common/mlx5/mlx5_devx_cmds.c | 1 +
 drivers/common/mlx5/mlx5_devx_cmds.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index 12c114a91b..eaf1dd5046 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -962,6 +962,7 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
 	attr->ct_offload = !!(MLX5_GET64(cmd_hca_cap, hcattr,
 					 general_obj_types) &
 			      MLX5_GENERAL_OBJ_TYPES_CAP_CONN_TRACK_OFFLOAD);
+	attr->rq_delay_drop = MLX5_GET(cmd_hca_cap, hcattr, rq_delay_drop);
 	if (attr->qos.sup) {
 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
 				MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP |
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h
index 2326f1e968..25e2814ac0 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -176,6 +176,7 @@ struct mlx5_hca_attr {
 	uint32_t swp_csum:1;
 	uint32_t swp_lso:1;
 	uint32_t lro_max_msg_sz_mode:2;
+	uint32_t rq_delay_drop:1;
 	uint32_t lro_timer_supported_periods[MLX5_LRO_NUM_SUPP_PERIODS];
 	uint16_t lro_min_mss_size;
 	uint32_t flex_parser_protocols;
-- 
2.27.0