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>
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