netdev - Re: [net-next PATCH v4 0/8] Managing the forwarding database(FDB)

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Date:	Thu, 3 May 2012 08:48:59 +0300
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	John Fastabend <john.r.fastabend@...el.com>
Cc:	shemminger@...tta.com, bhutchings@...arflare.com, sri@...ibm.com,
	hadi@...erus.ca, jeffrey.t.kirsher@...el.com,
	netdev@...r.kernel.org, gregory.v.rose@...el.com,
	krkumar2@...ibm.com, roprabhu@...co.com
Subject: Re: [net-next PATCH v4 0/8] Managing the forwarding database(FDB)

On Wed, May 02, 2012 at 02:52:33PM -0700, John Fastabend wrote:
> On 5/2/2012 8:08 AM, Michael S. Tsirkin wrote:
> > On Sun, Apr 15, 2012 at 01:06:37PM -0400, David Miller wrote:
> >> From: John Fastabend <john.r.fastabend@...el.com>
> >> Date: Sun, 15 Apr 2012 09:43:51 -0700
> >>
> >>> The following series is a submission for net-next to allow
> >>> embedded switches and other stacked devices other then the
> >>> Linux bridge to manage a forwarding database.
> >>>
> >>> Previously discussed here,
> >>>
> >>> http://lists.openwall.net/netdev/2012/03/19/26
> >>>
> >>> v4: propagate return codes correctly for ndo_dflt_Fdb_dump()
> >>>
> >>> v3: resolve the macvlan patch 8/8 to fix a dev_set_promiscuity()
> >>>     error and add the flags field to change and get link routines.
> >>>
> >>> v2: addressed feedback from Ben Hutchings resolving a typo in the
> >>>     multicast add/del routines and improving the error handling
> >>>     when both NTF_SELF and NTF_MASTER are set.
> >>>
> >>> I've tested this with 'br' tool published by Stephen Hemminger
> >>> soon to be renamed 'bridge' I believe and various traffic
> >>> generators mostly pktgen, ping, and netperf.
> >>
> >> All applied, if we need any more tweaks we can just add them
> >> on top of this work.
> >>
> >> Thanks John.
> > 
> > John, do you plan to update kvm userspace to use this interface?
> > 
> 
> No immediate plans. I would really appreciate it if you or one
> of the IBM developers working in this space took it on. Of course
> if no one steps up I guess I can eventually get at it but it will
> be sometime. For now I've been doing this manually with the bridge
> tool yet to be published.
> 
> .John

It'll be easier once you publish the tool, qemu can just run
scripts like it does for ifup/ifdown now.

-- 
MST
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