| Message ID | 1524725184-79590-4-git-send-email-oulijun@huawei.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 8b84ab7..aa5f9b3 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -71,6 +71,11 @@ static int set_rwqe_data_seg(struct ib_qp *ibqp, struct ib_send_wr *wr, return -EINVAL; } + if (wr->opcode == IB_WR_RDMA_READ) { + dev_err(hr_dev->dev, "Not support inline data!\n"); + return -EINVAL; + } + for (i = 0; i < wr->num_sge; i++) { memcpy(wqe, ((void *)wr->sg_list[i].addr), wr->sg_list[i].length);
RDMA read operation is not supported inline data. If user cofigures issue a RDMA read and use inline data, it will happen a hardware error. Signed-off-by: Lijun Ou <oulijun@huawei.com> --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 5 +++++ 1 file changed, 5 insertions(+)