From: Junxian Huang huangjunxian4@hisilicon.com
[ Upstream commit 074f315fc54a9ce45559a44ca36d9fa1ee1ea2cd ]
When the dgid-dip_idx mapping relationship exists, dip should be assigned.
Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW") Link: https://lore.kernel.org/r/1629884592-23424-3-git-send-email-liangwenpeng@hua... Signed-off-by: Junxian Huang huangjunxian4@hisilicon.com Signed-off-by: Wenpeng Liang liangwenpeng@huawei.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 4 +++- 1 file changed, 3 insertions(+), 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 dcbe5e28a4f7..90945e664f5d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4735,8 +4735,10 @@ static int get_dip_ctx_idx(struct ib_qp *ibqp, const struct ib_qp_attr *attr, spin_lock_irqsave(&hr_dev->dip_list_lock, flags);
list_for_each_entry(hr_dip, &hr_dev->dip_list, node) { - if (!memcmp(grh->dgid.raw, hr_dip->dgid, 16)) + if (!memcmp(grh->dgid.raw, hr_dip->dgid, 16)) { + *dip_idx = hr_dip->dip_idx; goto out; + } }
/* If no dgid is found, a new dip and a mapping between dgid and