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

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Message-ID: <4FA2DBF7.40108@intel.com>
Date:	Thu, 03 May 2012 12:26:47 -0700
From:	John Fastabend <john.r.fastabend@...el.com>
To:	shemminger@...tta.com
CC:	"Michael S. Tsirkin" <mst@...hat.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 5/2/2012 10:48 PM, Michael S. Tsirkin wrote:
> 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.
> 

Agreed.

Stephen when do you think you will be able to submit 'br' renamed
'bridge' for the iproute2 package? I've been using it now for sometime
without any issues and it seems to be working great for me.

Thanks,
John
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