cvs commit: src/sys/netinet ip_carp.c
trhodes at FreeBSD.org
Thu Oct 27 16:20:54 PDT 2005
On Wed, 26 Oct 2005 14:15:47 +0200
Max Laier <max at love2party.net> wrote:
> On Wednesday 26 October 2005 11:58, Robert Watson wrote:
> > On Wed, 26 Oct 2005, Gleb Smirnoff wrote:
> > > On Wed, Oct 26, 2005 at 10:15:09AM +0100, Robert Watson wrote:
> > > R> I think we may actually be in need of either a new flag,
> > > R> IFF_OKSODONTTREATTHISQUITELIKEANINTERFACE, or maybe a more reliable
> > > way R> for protocols to ask if an interface is a loopback interface or
> > > not.
> > >
> > > I'd prefer to rewrite those subsystems that use interface layer but
> > > aren't actually interfaces. I have plans to do this for CARP.
> > At least in the case of if_disc, this won't help. I'm not quite sure why
> > if_disc is IFF_LOOPBACK.
> Sad answer seems to be: copy and paste. IFF_LOOPBACK is part of 1.1 which
> also contains the following comment:
> * Discard interface driver for protocol testing and timing.
> * (Based on the loopback.)
> So it might be a good idea to get rid of it and work from there.
IIRC, someone told me or I read somewhere that if_disc is
somewhat based on lo(4). There may be more sections where
code is similar - rotted - over time.
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