net/hns3: support VXLAN-GPE TSO and checksum
net/hns3: support VXLAN-GPE TSO and checksum

Kupeng920 support tso and checksum offload for VXLAN_GPE with
the next protocol id 3(i.e., Ethernet).

Kupeng930 support TSO and checksum offload for VXLAN_GPE with
the next protocol id 1,2,3(i.e., IPv4, IPv6 and Ethernet).

This patch add support for this tunnel type.

Signed-off-by: Chengchang Tang <c3ddc20cc64e98ec759ab2989e2da0f93b89cab6@huawei.com>
Signed-off-by: Lijun Ou <4f660ba6ca3aa3bf060789cece061ff7ba22d4fe@huawei.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk