Commit 6968aeb5 authored by Weihang Li's avatar Weihang Li Committed by Jason Gunthorpe

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: ffb1308b ("RDMA/hns: Move SRQ code to the reasonable place")
Link: https://lore.kernel.org/r/1588931159-56875-5-git-send-email-liweihang@huawei.comSigned-off-by: default avatarWeihang Li <liweihang@huawei.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 053c0acf
...@@ -5044,8 +5044,8 @@ static int hns_roce_v2_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr) ...@@ -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); SRQC_BYTE_8_SRQ_LIMIT_WL_S);
attr->srq_limit = limit_wl; attr->srq_limit = limit_wl;
attr->max_wr = srq->wqe_cnt; attr->max_wr = srq->wqe_cnt - 1;
attr->max_sge = srq->max_gs; attr->max_sge = srq->max_gs;
memcpy(srq_context, mailbox->buf, sizeof(*srq_context)); memcpy(srq_context, mailbox->buf, sizeof(*srq_context));
......
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