netdev - Re: Open vSwitch Design

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Date:	Fri, 25 Nov 2011 07:18:03 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	jhs@...atatu.com, hadi@...erus.ca, Jesse Gross <jesse@...ira.com>,
	netdev <netdev@...r.kernel.org>, dev@...nvswitch.org,
	David Miller <davem@...emloft.net>,
	Chris Wright <chrisw@...hat.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	John Fastabend <john.r.fastabend@...el.com>,
	Justin Pettit <jpettit@...ira.com>
Subject: Re: Open vSwitch Design

Le jeudi 24 novembre 2011 à 21:20 -0800, Stephen Hemminger a écrit :

> The problem is that there are two flow classifiers, one in OpenVswitch
> in the kernel, and the other in the user space flow manager. I think the
> issue is that the two have different code.

We have kind of same duplication in kernel already :)

__skb_get_rxhash() and net/sched/cls_flow.c contain roughly the same
logic...

Maybe its time to factorize the thing, eventually use it in a third
component (Open vSwitch...)



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