maillist inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6EW1Q
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=7105f76fb56f5ed66a59bc048bc71e9f100e1d39

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Add ipip6 and ip6ip decap testcases. Verify that bpf_skb_adjust_room()
correctly decapsulate ipip6 and ip6ip tunnel packets.
Signed-off-by: NZiyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: NWillem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/dfd2d8cfdf9111bd129170d4345296f53bee6a67.1673574419.git.william.xuanziyang@huawei.comSigned-off-by: NMartin KaFai Lau <martin.lau@kernel.org>
Conflicts:
	tools/testing/selftests/bpf/progs/test_tc_tunnel.c
	tools/testing/selftests/bpf/test_tc_tunnel.sh
Signed-off-by: NZiyang Xuan <william.xuanziyang@huawei.com>