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

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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>
This commit is contained in:
Yixian Liu 2018-01-03 10:44:07 +08:00 committed by Jason Gunthorpe
parent 52e3b42a2f
commit 10bd2ade4b
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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@ -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;