netdev - Re: [PATCH net-next] drivers/net: add 6WIND SHULTI support

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Date:	Wed, 27 Apr 2016 17:38:09 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Jiri Pirko <jiri@...nulli.us>, Florian Westphal <fw@...len.de>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] drivers/net: add 6WIND SHULTI support

Le 27/04/2016 17:14, Jiri Pirko a écrit :
> Wed, Apr 27, 2016 at 11:56:15AM CEST, fw@...len.de wrote:
>> Nicolas Dichtel <nicolas.dichtel@...nd.com> wrote:
>>> This patch adds the support of the 6WIND SHULTI switch. It is a software
>>> switch doing L2 forwarding.
>>>
>>> This first version implements the minimum needed to get the device working.
>>> It also implements, via switchdev and rtnetlink, bridge forwarding offload,
>>> including FDB static entries, FDB learning and FDB ageing.
>>
>> How is this different from net/bridge?
>> How is this different from openvswitch?
> 
> The difference is that it this tries to allow userspace crap to mirror
> setting user does for bridge/ovs. Basically this looks to me like an
> attempt to enable userspace SDKs and such.
> 
It is software switch, allowed by the switchdev model (see
Documentation/networking/switchdev.txt), same design as mellanox spectrum.

What's wrong with that?