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

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Date:	Mon, 02 Mar 2015 15:10:23 -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 06:36:15 -0800

> 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.
> 
> Until rules are hw accelerated, its ok to document this limitation for
> hw accelerated routes in my opinion.

No, we absolutely must start with a simple model that doesn't try
at all to offload if any FIB rules are installed.
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