Re: Run mcast tests on rump kernel

[Ryota Ozaki <ozaki-r%netbsd.org@localhost>]

The patch is updated:
http://www.netbsd.org/~ozaki-r/run-mcast-tests-on-rump.diff

Now all tests pass on rump kernels :)

  ozaki-r


On Mon, May 25, 2015 at 1:10 PM, Ryota Ozaki <ozaki-r%netbsd.org@localhost> wrote:
> Hi,
>
> I found it. The problem is related to host's environments, but the
> real problem is in t_mcast.c. It explicitly specifies an interface
> of index=1:
>
> #else
>                 ifc = 1;
> #endif
>                 m6.ipv6mr_interface = ifc;
>                 m6.ipv6mr_multiaddr = s6->sin6_addr;
>                 return setsockopt(s, IPPROTO_IPV6, IPV6_JOIN_GROUP,
>                     &m6, sizeof(m6));
>
> However, the interface indexes depend on host's environments.
> In martin's environment, the interface of index=1 is awge0 and
> it works in luck, but in my rump environment the interface of
> index=1 is lo0 and it doesn't work with no luck.
>
> If we pass index=0, the kernel selects an appropriate interface
> for mcast and IPv6 mcast tests pass on any environments if its
> IPv6 setup is proper (inet6 addr, default gw, etc.).
>
> Thank you for your help,
>   ozaki-r