Commit f5a7cbea authored by wenglianfa's avatar wenglianfa Committed by Leon Romanovsky
Browse files

RDMA/hns: Fix the modification of max_send_sge 



The actual sge number may exceed the value specified in init_attr->cap
when HW needs extra sge to enable inline feature. Since these extra
sges are not expected by ULP, return the user-specified value to ULP
instead of the expanded sge number.

Fixes: 0c5e259b ("RDMA/hns: Fix incorrect sge nums calculation")
Signed-off-by: default avatarwenglianfa <wenglianfa@huawei.com>
Signed-off-by: default avatarJunxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20251016114051.1963197-3-huangjunxian6@hisilicon.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent c4b67b51

drivers/infiniband/hw/hns/hns_roce_qp.c

+0 −2
Original line number Diff line number Diff line
@@ -662,7 +662,6 @@ static int set_user_sq_size(struct hns_roce_dev *hr_dev, 


	hr_qp->sq.wqe_shift = ucmd->log_sq_stride;

	hr_qp->sq.wqe_cnt = cnt;

	cap->max_send_sge = hr_qp->sq.max_gs;



	return 0;

}
@@ -744,7 +743,6 @@ static int set_kernel_sq_size(struct hns_roce_dev *hr_dev, 


	/* sync the parameters of kernel QP to user's configuration */

	cap->max_send_wr = cnt;

	cap->max_send_sge = hr_qp->sq.max_gs;



	return 0;

}