[PATCH for-next 5/6] RDMA/hns: Update the verbs of polling for completion

Lijun Ou
2018-01-04T04:19:22Z

If the port is a RoCEv2 port, the remote port address and QP
information which returned for UD will be modified.

Signed-off-by: Lijun Ou <oulijun-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Signed-off-by: Yixian Liu <liuyixian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 12 ++++++++++++
drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 2 +-
2 files changed, 13 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 4a902c4..6b4474d 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1914,6 +1914,18 @@ static int hns_roce_v2_poll_one(struct hns_roce_cq *hr_cq,
wc->port_num = roce_get_field(cqe->byte_32,
V2_CQE_BYTE_32_PORTN_M, V2_CQE_BYTE_32_PORTN_S);
wc->pkey_index = 0;
+ memcpy(wc->smac, cqe->smac, 4);
+ wc->smac[4] = roce_get_field(cqe->byte_28,
+ V2_CQE_BYTE_28_SMAC_4_M,
+ V2_CQE_BYTE_28_SMAC_4_S);
+ wc->smac[5] = roce_get_field(cqe->byte_28,
+ V2_CQE_BYTE_28_SMAC_5_M,
+ V2_CQE_BYTE_28_SMAC_5_S);
+ wc->vlan_id = 0xffff;
+ wc->wc_flags |= (IB_WC_WITH_VLAN | IB_WC_WITH_SMAC);
+ wc->network_hdr_type = roce_get_field(cqe->byte_28,
+ V2_CQE_BYTE_28_PORT_TYPE_M,
+ V2_CQE_BYTE_28_PORT_TYPE_S);
}

return 0;
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index c11b253..ce52c73 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -766,7 +766,7 @@ struct hns_roce_v2_cqe {
u32 byte_12;
u32 byte_16;
u32 byte_cnt;
- u32 smac;
+ u8 smac[4];
u32 byte_28;
u32 byte_32;
};