openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

RDMA/hns: Fix wrong assignment of SRQ's max_wr 

srq's attribute max_wr should be 1 less than the total count of wqe.

Fixes: ffb1308b88 ("RDMA/hns: Move SRQ code to the reasonable place")
Link: https://lore.kernel.org/r/1588931159-56875-5-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Weihang Li 2020-05-08 17:45:54 +08:00 committed by Jason Gunthorpe
parent 053c0acf52
commit 6968aeb5aa
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View File

@ -5044,8 +5044,8 @@ static int hns_roce_v2_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
SRQC_BYTE_8_SRQ_LIMIT_WL_S);
attr->srq_limit = limit_wl;
attr->max_wr = srq->wqe_cnt;
attr->max_sge = srq->max_gs;
attr->max_wr = srq->wqe_cnt - 1;
attr->max_sge = srq->max_gs;
memcpy(srq_context, mailbox->buf, sizeof(*srq_context));