On Wed, Nov 04, 2020 at 10:40:34AM -0800, Martin KaFai Lau wrote: > > + check $TYPE > > + config_device > > + add_ipip6tnl_tunnel > > + ip link set dev veth1 mtu 1500 > > + attach_bpf $DEV ipip6_set_tunnel ipip6_get_tunnel > From looking at the ipip6_set_tunnel in test_tunnel_kern.c. > I don't think they are testing an ip6ip6 packet. > If the intention is to test ip6ip6, why the existing > ip6ip6_set_tunnel does not need to be exercised? Hi Martin, Maybe I missed something. But I saw both ipip6_set_tunnel and ip6ip6_set_tunnel in test_tunnel_kern.c. only set remote IPv6 address. They didn't do anything else. The only difference between ipip6 and ip6ip6 are in overlay network, using IPv4 or IPv6. Thanks Hangbin
