netdev - Re: [patch net-next RFC 10/12] openvswitch: add support for datapath hardware offload

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Message-ID: <20140826154459.GB1843@nanopsycho.lan>
Date:	Tue, 26 Aug 2014 17:44:59 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	Jamal Hadi Salim <jhs@...atatu.com>
Cc:	Roopa Prabhu <roopa@...ulusnetworks.com>,
	Thomas Graf <tgraf@...g.ch>,
	John Fastabend <john.fastabend@...il.com>,
	Scott Feldman <sfeldma@...ulusnetworks.com>,
	netdev <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Neil Horman <nhorman@...driver.com>,
	Andy Gospodarek <andy@...yhouse.net>,
	dborkman <dborkman@...hat.com>, ogerlitz <ogerlitz@...lanox.com>,
	jesse@...ira.com, pshelar@...ira.com, azhou@...ira.com,
	ben@...adent.org.uk, stephen@...workplumber.org,
	jeffrey.t.kirsher@...el.com, vyasevic@...hat.com,
	xiyou.wangcong@...il.com, john.r.fastabend@...el.com,
	edumazet@...gle.com, f.fainelli@...il.com, linville@...driver.com,
	dev@...nvswitch.org, jasowang@...hat.com, ebiederm@...ssion.com,
	nicolas.dichtel@...nd.com, ryazanov.s.a@...il.com,
	buytenh@...tstofly.org, aviadr@...lanox.com, nbd@...nwrt.org,
	alexei.starovoitov@...il.com, Neil.Jerram@...aswitch.com,
	ronye@...lanox.com, Shrijeet Mukherjee <shm@...ulusnetworks.com>
Subject: Re: [patch net-next RFC 10/12] openvswitch: add support for datapath
 hardware offload

Tue, Aug 26, 2014 at 05:29:10PM CEST, jhs@...atatu.com wrote:
>On 08/26/14 11:22, Jiri Pirko wrote:
>
>>I do not think that really matters. Phase one is flows. After that we
>>can focus on l2/l3. If we would be able to fit in in flows (some drivers
>>may), then ok. If not, we extend the api with couple of more l2/l3
>>related ndos. I see no problem there.
>
>Well, it matters because we are proceeding to implement L2/3.
>i.e the simple stuff first. We dont have anything to show yet - but
>we will hopefully have some useful bit by Plumbers.
>So maybe best path forward is we talk then and see how we can merge
>efforts since we cant seem to agree at this point.

I think we are in agreement. We have two worlds: flows and l2/3. We need
both for sure. And my patchset adds an initial part of the first one.
The second one can be added later. I do not see any issues in that.

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