Howto rename an interface

[Brooks Davis]

On Mon, May 05, 2003 at 11:47:23PM +0200, Vincent Jardin wrote:
> > Many issues are resolved by moving from if_name and if_unit to if_xname
> > in ifnet.  I've got a patch for that, but due to lack of time to deal
> > with the issues involved in the ABI change I don't think I'll get it
> > in to 5.x.  It doesn't deal with sockaddr_dl or routing sockets, but
> > it does clean up most uses if interface names.
> 
> I had been googling about if_xname, and I found OpenBSD. According to their 
> cvs history they do not use if_unit/if_name since 1996.
> 
> revision 1.9
> date: 1996/05/10 12:31:07;  author: deraadt;  state: Exp;  lines: +48 -112
> if_name/if_unit -> if_xname/if_softc

That's basicly what my patches do.

> > I did take a shot at interface renaming, but didn't quite get it right
> > the first try.  I was looking at what I did wrong a little while ago and
> > I don't think renaming is all that difficult once you kill off if_name
> > and if_unit.  It's on my todo list, but I think it's a 6.x feature at
> > this point.
> 
> I agree that the main issue is to remove all the if_name and
> if_unit. It would have been a nice 5.x feature ;-)

Yes it would have, but RE never approved my commit before 5.0 and I
haven't had time since then so it's probably going to be a 6.0 feature.
If the people wanting to add an if_alias member get that approved,
if_xname should go in as well since the ABI will be trashed anyway.

-- Brooks

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