From 0979a83d9f48d301722e43b72b1800d99a996603 Mon Sep 17 00:00:00 2001
From: Xinghai Cen <cenxinghai@h-partners.com>
Date: Thu, 27 Feb 2025 17:03:58 +0800
Subject: [PATCH] libhns: Fix missing fields for SRQ WC

The sl and src_qpn fields in recv-WC are not filled when the QP is UD
and has an SRQ. Here fix it.

In addition, UD QP does not support RQ INLINE and CQE INLINE features.
Reorder the related if-else statements to reduce the number of
conditional checks in IO path.

mainline inclusion
from mainline-master
commit c4119911c212aaa552c9cb928fba0a696640c9b5
category: bugfix
bugzilla: https://gitee.com/src-openeuler/rdma-core/issues/IBPB3C
CVE: NA
Reference:https://github.com/linux-rdma/rdma-core/pull/1543/commits/65a7ce99cf4bfd6748346206f546e51c0a82c993

Fixes:68c547c02bf5 ("libhns: Support user to choose using UD sl or pktype to adapt MPI APP")
Signed-off-by: wenglianfa <wenglianfa@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com>
---
 providers/hns/hns_roce_u_hw_v2.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/providers/hns/hns_roce_u_hw_v2.c b/providers/hns/hns_roce_u_hw_v2.c
index 1bbd788..f05b839 100644
--- a/providers/hns/hns_roce_u_hw_v2.c
+++ b/providers/hns/hns_roce_u_hw_v2.c
@@ -540,7 +540,8 @@ static void parse_for_ud_qp(struct hns_roce_v2_cqe *cqe, struct ibv_wc *wc,
 }
 
 static void parse_cqe_for_srq(struct hns_roce_v2_cqe *cqe, struct ibv_wc *wc,
-			      struct hns_roce_srq *srq)
+			      struct hns_roce_srq *srq,
+			      struct hns_roce_qp *hr_qp)
 {
 	uint32_t wqe_idx;
 
@@ -550,6 +551,9 @@ static void parse_cqe_for_srq(struct hns_roce_v2_cqe *cqe, struct ibv_wc *wc,
 
 	if (hr_reg_read(cqe, CQE_CQE_INLINE))
 		handle_recv_cqe_inl_from_srq(cqe, srq);
+	else if (hr_qp->verbs_qp.qp.qp_type == IBV_QPT_UD) {
+		parse_for_ud_qp(cqe, wc, hr_qp->enable_ud_sl);
+	}
 }
 
 static int parse_cqe_for_resp(struct hns_roce_v2_cqe *cqe, struct ibv_wc *wc,
@@ -561,13 +565,12 @@ static int parse_cqe_for_resp(struct hns_roce_v2_cqe *cqe, struct ibv_wc *wc,
 	wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)];
 	++wq->tail;
 
-	if (hr_qp->verbs_qp.qp.qp_type == IBV_QPT_UD)
-		parse_for_ud_qp(cqe, wc, hr_qp->enable_ud_sl);
-
 	if (hr_reg_read(cqe, CQE_CQE_INLINE))
 		handle_recv_cqe_inl_from_rq(cqe, hr_qp);
 	else if (hr_reg_read(cqe, CQE_RQ_INLINE))
 		handle_recv_rq_inl(cqe, hr_qp);
+	else if (hr_qp->verbs_qp.qp.qp_type == IBV_QPT_UD)
+		parse_for_ud_qp(cqe, wc, hr_qp->enable_ud_sl);
 
 	return 0;
 }
@@ -777,7 +780,7 @@ static int parse_cqe_for_cq(struct hns_roce_context *ctx, struct hns_roce_cq *cq
 			return V2_CQ_POLL_ERR;
 
 		if (srq)
-			parse_cqe_for_srq(cqe, wc, srq);
+			parse_cqe_for_srq(cqe, wc, srq, cur_qp);
 		else
 			parse_cqe_for_resp(cqe, wc, cur_qp);
 	}
-- 
2.25.1

