提交 157b52a0 编写于 作者: L Lijun Ou 提交者: Jason Gunthorpe

RDMA/hns: Configure ecn field of ip header

In order to compatible with the third party RoCE device, The hardware
modify the set method for the ecn field of ip header in new hip08
version. The high 6bit of tclass be assigned for dscp field of packet.
Signed-off-by: NLijun Ou <oulijun@huawei.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>
上级 05ad5482
...@@ -3640,8 +3640,15 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp, ...@@ -3640,8 +3640,15 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
V2_QPC_BYTE_24_HOP_LIMIT_M, V2_QPC_BYTE_24_HOP_LIMIT_M,
V2_QPC_BYTE_24_HOP_LIMIT_S, 0); V2_QPC_BYTE_24_HOP_LIMIT_S, 0);
roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M, if (hr_dev->pci_dev->revision == 0x21 &&
V2_QPC_BYTE_24_TC_S, grh->traffic_class); gid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP)
roce_set_field(context->byte_24_mtu_tc,
V2_QPC_BYTE_24_TC_M, V2_QPC_BYTE_24_TC_S,
grh->traffic_class >> 2);
else
roce_set_field(context->byte_24_mtu_tc,
V2_QPC_BYTE_24_TC_M, V2_QPC_BYTE_24_TC_S,
grh->traffic_class);
roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M, roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M,
V2_QPC_BYTE_24_TC_S, 0); V2_QPC_BYTE_24_TC_S, 0);
roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_FL_M, roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_FL_M,
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册