netdev - Re: [patch net-next v2 10/10] rocker: implement L2 bridge offloading

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Message-ID: <54608111.60308@6wind.com>
Date:	Mon, 10 Nov 2014 10:10:41 +0100
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Jiri Pirko <jiri@...nulli.us>, Jamal Hadi Salim <jhs@...atatu.com>
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Subject: Re: [patch net-next v2 10/10] rocker: implement L2 bridge offloading

Le 10/11/2014 09:18, Jiri Pirko a écrit :
> Mon, Nov 10, 2014 at 04:53:07AM CET, jhs@...atatu.com wrote:
>> On 11/09/14 05:51, Jiri Pirko wrote:
>>> From: Scott Feldman <sfeldma@...il.com>
>>>
>>> Add L2 bridge offloading support to rocker driver.  Here, the Linux bridge
>>> driver is used to collect swdev ports into a tagged (or untagged) VLAN
>>> bridge.  The swdev will offload from the bridge driver the following L2
>>> bridging functions:
>>>
>>>   - Learning of neighbor MAC addresses on VLAN X  Learned mac/vlan is
>>> installed in bridge FDB.  (And removed when device unlearns mac/vlan).
>>> Learning must be turned off on each bridge port to disable the feature in
>>> the bridge driver.
>>>
>>
>> I have quiet a few use cases where the above is a no-no. I dont want
>> learning of any sort (we have a knob for that in the bridge).
>
> I would love to see your code. Please do share.
>
>> And i dont want learning in hardware to be reflected in software.
>> Basically this is a policy decision. Introduce a knob to choose whether
>> hardware learnt addresses should be reflected in software.
>
> This can be easily done as a bridge option I believe. If you are ok with
> that, I will add a patch (either in re-post or as a follow-up)
An option will be nice.


Regards,
Nicolas
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