Re: 2.4.21+ - IPv6 over IPv4 tunneling b0rked

YOSHIFUJI Hideaki / 吉藤英明
2003-07-11T10:31:19Z

In article <Pine.LNX.4.44.0307111301520.27036-100000@netcore.fi> (at Fri, 11 Jul 2003 13:03:54 +0300 (EEST)), Pekka Savola <pekkas@netcore.fi> says:

> > We have but we cannot; it is refcnt'ed.
>
> I don't understand what you mean. Refcnt'ed by a userland process, so
> that if you'd want the subnet-router anycast address, the whole time a
> process (like radvd) should be running.. or what?

Kernel has refcnt for subnet router anycast address.
Ref/dereference from userspace is done via socket.
You cannot derefer subnet router anycast address
from userspace if the socket hasn't refered it.

--yoshfuji