selftests/bpf: expand bpf tunnel test to ipv6

The test only uses ipv4 so far, expand to ipv6.
This is mostly a boilerplate near copy of the ipv4 path.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Willem de Bruijn 2019-03-22 14:32:51 -04:00 • committed by Alexei Starovoitov
commit ef81bd0549
3 changed files with 149 additions and 22 deletions