From 349be276509455ac2f19fa4051ed773082c6a27e Mon Sep 17 00:00:00 2001
From: Lijun Ou <oulijun@huawei.com>
Date: Fri, 8 May 2020 17:45:51 +0800
Subject: [PATCH 1/1] RDMA/hns: Bugfix for querying qkey
Git-commit: 349be276509455ac2f19fa4051ed773082c6a27e
Patch-mainline: v5.8-rc1
References: git-fixes
The qkey queried through the query ud qp verb is a fixed value and it
should be read from qp context.
Fixes: 926a01dc000d ("RDMA/hns: Add QP operations support for hip08 SoC")
Link: https://lore.kernel.org/r/1588931159-56875-2-git-send-email-liweihang@huawei.com
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Nicolas Morey <nmorey@suse.com>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index ebe570aa2323..8c24ddfb76fe 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -4683,7 +4683,7 @@ static int hns_roce_v2_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
qp_attr->path_mig_state = IB_MIG_ARMED;
qp_attr->ah_attr.type = RDMA_AH_ATTR_TYPE_ROCE;
if (hr_qp->ibqp.qp_type == IB_QPT_UD)
- qp_attr->qkey = V2_QKEY_VAL;
+ qp_attr->qkey = le32_to_cpu(context->qkey_xrcd);
qp_attr->rq_psn = roce_get_field(context->byte_108_rx_reqepsn,
V2_QPC_BYTE_108_RX_REQ_EPSN_M,
--
2.39.1.1.gbe015eda0162