netdev - Re: [PATCH net-next v2 4/4] switchdev: don't support custom ip rules, for now

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Message-Id: <20150302.153000.14374017304430703.davem@davemloft.net>
Date:	Mon, 02 Mar 2015 15:30:00 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	sfeldma@...il.com
Cc:	roopa@...ulusnetworks.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: Scott Feldman <sfeldma@...il.com>
Date: Mon, 2 Mar 2015 09:00:58 -0800

> 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.

+1
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