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[rdma-core,1/4] libhns: Fix QP state judgement before sending work requests

Message ID 1520069370-129426-2-git-send-email-oulijun@huawei.com (mailing list archive)
State Accepted
Headers show

Commit Message

Lijun Ou March 3, 2018, 9:29 a.m. UTC 
From: Yixian Liu <liuyixian@huawei.com>

The QP can accept send work requests only when the QP is
in the states that allow them to be submitted.

This patch updates the QP state judgement based on the
specification.

Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
---
 providers/hns/hns_roce_u_hw_v2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/providers/hns/hns_roce_u_hw_v2.c b/providers/hns/hns_roce_u_hw_v2.c
index 226f66d..0644a8e 100644
--- a/providers/hns/hns_roce_u_hw_v2.c
+++ b/providers/hns/hns_roce_u_hw_v2.c
@@ -536,7 +536,8 @@  static int hns_roce_u_v2_post_send(struct ibv_qp *ibvqp, struct ibv_send_wr *wr,
 	ind = qp->sq.head;
 	ind_sge = qp->next_sge;
 
-	if (ibvqp->state != IBV_QPS_RTS && ibvqp->state != IBV_QPS_SQD) {
+	if (ibvqp->state == IBV_QPS_RESET || ibvqp->state == IBV_QPS_INIT ||
+	    ibvqp->state == IBV_QPS_RTR) {
 		pthread_spin_unlock(&qp->sq.lock);
 		*bad_wr = wr;
 		return EINVAL;