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Message-Id: <20150302.154021.291909338132330257.davem@davemloft.net>
Date:	Mon, 02 Mar 2015 15:40:21 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	roopa@...ulusnetworks.com
Cc:	sfeldma@...il.com, netdev@...r.kernel.org, jiri@...nulli.us
Subject: Re: [PATCH net-next v2 4/4] switchdev: don't support custom ip
 rules, for now

From: roopa <roopa@...ulusnetworks.com>
Date: Mon, 02 Mar 2015 11:09:32 -0800

> On 3/2/15, 9:00 AM, Scott Feldman wrote:
>> On Mon, Mar 2, 2015 at 6:36 AM, roopa <roopa@...ulusnetworks.com>
>> wrote:
>>> On 3/2/15, 2:06 AM, sfeldma@...il.com wrote:
>>>> From: Scott Feldman <sfeldma@...il.com>
>>>>
>>>> Keep switchdev FIB offload model simple for now and don't allow custom
>>>> ip
>>>> rules.
>>>>
>>>> Signed-off-by: Scott Feldman <sfeldma@...il.com>
>>>
>>> I don't see a need to do this. And seems very aggressive.
>>> Also, note that the rules in a system can be on non-hw accelerated
>>> ports.
>> It is aggressive but it's the safest choice for the first pass on this
>> L3 offload.  Without, switchdev has no way to model custom ip rules
>> down to hardware.   Let's start with this aggressive case, and that'll
>> force us to work on relaxing it.
>>
>>
> But, this will not allow hw acceleration of routes even if you had a
> rule for the management traffic for example.

We start simple, add complexity later.
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