HIP08 doesn't support modifying the maximum number of outstanding WR in an
SRQ. However, the driver does not return a failure message, and users may
mistakenly think that the resizing is executed successfully. So the driver
needs to intercept this operation.
Fixes:
ffb1308b88b6 ("RDMA/hns: Move SRQ code to the reasonable place")
Link: https://lore.kernel.org/r/1600509802-44382-3-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
struct hns_roce_cmd_mailbox *mailbox;
int ret;
+ /* Resizing SRQs is not supported yet */
+ if (srq_attr_mask & IB_SRQ_MAX_WR)
+ return -EINVAL;
+
if (srq_attr_mask & IB_SRQ_LIMIT) {
if (srq_attr->srq_limit >= srq->wqe_cnt)
return -EINVAL;