Commit c6d0ff17 authored Apr 02, 2021 by Wenpeng Liang Committed by Zheng Zengkai Jul 20, 2021

RDMA/hns: Remove unsupported QP types

mainline inclusion
from mainline-v5.12-rc1
commit 537bc924
category: feature
bugzilla: 174002
CVE:NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=537bc924f367e35a351cbddbc502995cf5bd18c8

----------------------------------------------------------------------

The hns ROCEE does not support UC QP currently.

Link: https://lore.kernel.org/r/1617354454-47840-7-git-send-email-liweihang@huawei.com


Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: wangsirong <wangsirong@huawei.com>
Reviewed-by: ChunZhi Hu <huchunzhi@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>

parent b1b4bad3

drivers/infiniband/hw/hns/hns_roce_hw_v1.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -3452,8 +3452,7 @@ static int hns_roce_v1_q_qp(struct ib_qp ibqp, struct ib_qp_attr qp_attr,
		((roce_get_bit(context->qpc_bytes_4,
		QP_CONTEXT_QPC_BYTE_4_ATOMIC_OPERATION_ENABLE_S)) << 3);

		if (hr_qp->ibqp.qp_type == IB_QPT_RC \|\|
		hr_qp->ibqp.qp_type == IB_QPT_UC) {
		if (hr_qp->ibqp.qp_type == IB_QPT_RC) {
		struct ib_global_route *grh =
		rdma_ah_retrieve_grh(&qp_attr->ah_attr);

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -5328,7 +5328,6 @@ static int hns_roce_v2_query_qp(struct ib_qp ibqp, struct ib_qp_attr qp_attr,
		V2_QPC_BYTE_76_ATE_S)) << V2_QP_ATE_S);

		if (hr_qp->ibqp.qp_type == IB_QPT_RC \|\|
		hr_qp->ibqp.qp_type == IB_QPT_UC \|\|
		hr_qp->ibqp.qp_type == IB_QPT_XRC_INI \|\|
		hr_qp->ibqp.qp_type == IB_QPT_XRC_TGT) {
		struct ib_global_route *grh =

drivers/infiniband/hw/hns/hns_roce_qp.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -1195,8 +1195,6 @@ int to_hr_qp_type(int qp_type)
		switch (qp_type) {
		case IB_QPT_RC:
		return SERV_TYPE_RC;
		case IB_QPT_UC:
		return SERV_TYPE_UC;
		case IB_QPT_UD:
		case IB_QPT_GSI:
		return SERV_TYPE_UD;