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Diffstat (limited to 'drivers/infiniband/hw/hns')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_ah.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
index fbf046982374..b4209b6aed8d 100644
--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
+++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
@@ -57,6 +57,7 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device);
+ struct hns_roce_ib_create_ah_resp resp = {};
struct hns_roce_ah *ah = to_hr_ah(ibah);
int ret = 0;
u32 max_sl;
@@ -97,6 +98,12 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
ah->av.vlan_en = ah->av.vlan_id < VLAN_N_VID;
}
+ if (udata) {
+ memcpy(resp.dmac, ah_attr->roce.dmac, ETH_ALEN);
+ ret = ib_copy_to_udata(udata, &resp,
+ min(udata->outlen, sizeof(resp)));
+ }
+
err_out:
if (ret)
atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_AH_CREATE_ERR_CNT]);