diff mbox series

[v2,for-next,2/7] RDMA/hns: Fix missing fields in address vector

Message ID 1605526408-6936-3-git-send-email-liweihang@huawei.com (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series RDMA/hns: Support UD for HIP09 | expand

Commit Message

Weihang Li Nov. 16, 2020, 11:33 a.m. UTC
Traffic class and hop limit in address vector is not assigned from GRH, but
it will be filled into UD SQ WQE. So the hardware will get a wrong value.

Fixes: 82e620d9c3a0 ("RDMA/hns: Modify the data structure of hns_roce_av")
Signed-off-by: Weihang Li <liweihang@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_ah.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
index 3be80d4..d65ff6a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
+++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
@@ -64,18 +64,20 @@  int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
 	struct hns_roce_ah *ah = to_hr_ah(ibah);
 	int ret = 0;
 
-	memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN);
-
 	ah->av.port = rdma_ah_get_port_num(ah_attr);
 	ah->av.gid_index = grh->sgid_index;
 
 	if (rdma_ah_get_static_rate(ah_attr))
 		ah->av.stat_rate = IB_RATE_10_GBPS;
 
-	memcpy(ah->av.dgid, grh->dgid.raw, HNS_ROCE_GID_SIZE);
-	ah->av.sl = rdma_ah_get_sl(ah_attr);
+	ah->av.hop_limit = grh->hop_limit;
 	ah->av.flowlabel = grh->flow_label;
 	ah->av.udp_sport = get_ah_udp_sport(ah_attr);
+	ah->av.sl = rdma_ah_get_sl(ah_attr);
+	ah->av.tclass = grh->traffic_class;
+
+	memcpy(ah->av.dgid, grh->dgid.raw, HNS_ROCE_GID_SIZE);
+	memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN);
 
 	/* HIP08 needs to record vlan info in Address Vector */
 	if (hr_dev->pci_dev->revision <= PCI_REVISION_ID_HIP08) {