Commit 204cbe42 authored by Wenpeng Liang's avatar Wenpeng Liang Committed by Jason Gunthorpe
Browse files

RDMA/hns: Add verification of QP type when post_recv 

The post_recv only supports QP types of RC, GSI and UD.

Link: https://lore.kernel.org/r/1611997090-48820-13-git-send-email-liweihang@huawei.com


Signed-off-by: default avatarWenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: default avatarWeihang Li <liweihang@huawei.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 2e07a3d9

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+13 −1
Original line number Diff line number Diff line
@@ -721,9 +721,21 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp, 
static int check_recv_valid(struct hns_roce_dev *hr_dev,

			    struct hns_roce_qp *hr_qp)

{

	struct ib_device *ibdev = &hr_dev->ib_dev;

	struct ib_qp *ibqp = &hr_qp->ibqp;



	if (unlikely(ibqp->qp_type != IB_QPT_RC &&

		     ibqp->qp_type != IB_QPT_GSI &&

		     ibqp->qp_type != IB_QPT_UD)) {

		ibdev_err(ibdev, "unsupported qp type, qp_type = %d.\n",

			  ibqp->qp_type);

		return -EOPNOTSUPP;

	}



	if (unlikely(hr_dev->state >= HNS_ROCE_DEVICE_STATE_RST_DOWN))

		return -EIO;

	else if (hr_qp->state == IB_QPS_RESET)



	if (hr_qp->state == IB_QPS_RESET)

		return -EINVAL;



	return 0;