[PATCH 5.4 054/154] RDMA/hns: Fix wrong value of max_sge_rd

Greg Kroah-Hartman
2025-04-08T12:04:39Z

From: Junxian Huang <huangjunxian6@hisilicon.com>

[ Upstream commit 6b5e41a8b51fce520bb09bd651a29ef495e990de ]

There is no difference between the sge of READ and non-READ
operations in hns RoCE. Set max_sge_rd to the same value as
max_send_sge.

Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20250311084857.3803665-8-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/infiniband/hw/hns/hns_roce_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 70991649dc693..4c5179e45dadc 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -198,7 +198,7 @@ static int hns_roce_query_device(struct ib_device *ib_dev,
IB_DEVICE_RC_RNR_NAK_GEN;
props->max_send_sge = hr_dev->caps.max_sq_sg;
props->max_recv_sge = hr_dev->caps.max_rq_sg;
- props->max_sge_rd = 1;
+ props->max_sge_rd = hr_dev->caps.max_sq_sg;
props->max_cq = hr_dev->caps.num_cqs;
props->max_cqe = hr_dev->caps.max_cqes;
props->max_mr = hr_dev->caps.num_mtpts;
--
2.39.5