Date: Thu, 11 Apr 2002 07:24:06 -0400 (EDT)
From: jamal <hadi@cyberus.ca>
To: Stefan Rompf <srompf@isg.de>
cc: Michael Richardson <mcr@sandelman.ottawa.on.ca>, <netdev@oss.sgi.com>
Subject: Re: Patch: Device operative state notification against 2.5.7
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On Tue, 9 Apr 2002, Stefan Rompf wrote:

> Hi Jamal,
>
> > [discussion whether IFOP_DOWN_LOWERLAYER should send netlink messages]
> >
> > I think they should be accessible; whether you send netlink
> > advertisements everytime there is some state transition is the question.
>
> they should. For a routing daemon it is interesting to be notified when
> interfaces becomes capable or incapable of handling packets, independant
> of the reason. As long as we abstract virtual or subinterfaces as normal
> interfaces to the upper layers (which is IMHO the correct decision),
> IFOP_DOWN_LOWERLAYER must trigger a notification.

Well ... ok. Note, the user space program could maintain state
and observe when all the interfaces are down to reach the same conclusion.

Ok, Stefan, i think you should be ready to roll some code now ;->

cheers,
jamal