Commit 10bd2ade authored Jan 03, 2018 by Yixian Liu Committed by Jason Gunthorpe Jan 03, 2018

RDMA/hns: Fix QP state judgement before sending work requests



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: Jason Gunthorpe <jgg@mellanox.com>

parent 52e3b42a

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -76,7 +76,8 @@ static int hns_roce_v2_post_send(struct ib_qp ibqp, struct ib_send_wr wr,
		return -EOPNOTSUPP;
		}

		if (unlikely(qp->state != IB_QPS_RTS && qp->state != IB_QPS_SQD)) {
		if (unlikely(qp->state == IB_QPS_RESET \|\| qp->state == IB_QPS_INIT \|\|
		qp->state == IB_QPS_RTR)) {
		dev_err(dev, "Post WQE fail, QP state %d err!\n", qp->state);
		*bad_wr = wr;
		return -EINVAL;