Date: Thu, 9 May 2002 12:53:04 -0700 From: "Sam Leffler" <sam@errno.com> To: "Archie Cobbs" <archie@dellroad.org>, "Luigi Rizzo" <rizzo@icir.org> Cc: <freebsd-net@FreeBSD.ORG> Subject: Re: Transmitting packets when not IFF_UP Message-ID: <09c401c1f793$22c6c670$52557f42@errno.com> References: <200205091652.g49Gqs102639@arch20m.dellroad.org>
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> > This said, do you have any reference or docs on the exact meaning
> > of the various IFF_* flags, so we can give a sweep at the code
> > and try to make things consistent and possibly centralised --
> > e.g. should we move the check for IFF_UP|IFF_RUNNING to IF_ENQUEUE
> > (or whatever it is called in -current) so we do not need to bother
> > in the drivers ?
>
> No-- I've always wondered about that, e.g., the difference between
> IFF_UP and IFF_RUNNING...
Originally IFF_RUNNING meant the underlying hardware was setup and ready to
go (probe+config had completed successfully). IFF_UP meant the network
interface was fully configured and ready for packets. I don't recall if
IFF_UP => IFF_RUNNING.
Sam
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