提交 328d405b 编写于 作者: O oulijun 提交者: Doug Ledford

RDMA/hns: Intercept illegal RDMA operation when use inline data

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: NLijun Ou <oulijun@huawei.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>
上级 215a8c09
...@@ -71,6 +71,11 @@ static int set_rwqe_data_seg(struct ib_qp *ibqp, struct ib_send_wr *wr, ...@@ -71,6 +71,11 @@ static int set_rwqe_data_seg(struct ib_qp *ibqp, struct ib_send_wr *wr,
return -EINVAL; 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++) { for (i = 0; i < wr->num_sge; i++) {
memcpy(wqe, ((void *)wr->sg_list[i].addr), memcpy(wqe, ((void *)wr->sg_list[i].addr),
wr->sg_list[i].length); wr->sg_list[i].length);
......
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