netdev - Re: [Bridge] VLANs and bridge

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Message-ID: <OF7400A5E8.F4AC001F-ONC125761C.00674A25-C125761C.00679758@transmode.se>
Date:	Mon, 24 Aug 2009 20:51:29 +0200
From:	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
To:	Simon Barber <simon@...erduper.net>
Cc:	bridge@...ts.linux-foundation.org, netdev@...r.kernel.org,
	kaber@...sh.net
Subject: Re: [Bridge] VLANs and bridge

Simon Barber <simon@...erduper.net> wrote on 22/08/2009 19:12:10:
>
> Looking through B.1.3 it looks like the patch would need some
> enhancement. It provides a good basis - handling tagging/untagging and
> filtering, but would need a way to specify the untagged vlan separately
> for in and out.

I see. Perhaps the VLAN maintainer(CC:ed) can comment too. Especially about extending
the VLAN code to allowed several VLANs in one interface?

>
> Simon
>
>
> Joakim Tjernlund wrote:
> > Joakim Tjernlund/Transmode wrote on 22/08/2009 17:36:54:
> >
> >> Simon Barber <simon@...erduper.net> wrote on 22/08/2009 16:34:11:
> >>
> >>> Hi Joakim,
> >>>
> >>> Look back a month or so in the archives - you'll find an email from me
> >>> referencing a patch to make the bridge VLAN aware. It's a little old,
> >>> and needs updating for 2.6 (it was written for 2.4) - but should not be
> >>> much work to get it done. There is a matching patch for the brctl utility.
> >>>
> >>> Simon
> >>>
> >>>
> >> Thanks Simon
> >>
> >> Do you mean the "bridge vlan integration" patch?
> >> It is not clear to me if this would support the case
> >> described in B.1.3(802.1Q-2005), does it?
> >>
> >> Seems like there is little interest to post this to 2.6 and
> >> I am not sure how welcome this would be either, perhaps
> >> the bridge maintainer could comment?
> >>
> >>   Jocke
> >>
> >
> > Thinking a bit more about this I could envision some changes to the
> > vlan code too. I image one could create one vlan interface which will listen
> > to several VLANs. One VLAN is the primary VLAN and is used in the tx path
> > by default. The bridge would be able to filter on individual VLANs received
> > from such interface and be able to chose outgoing VLAN too.
> >
> >  Jocke
> >
> >
>
>
>

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