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Date:	Sun, 12 Apr 2015 18:03:43 -0700
From:	Alexei Starovoitov <alexei.starovoitov@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	jiri@...nulli.us, netdev@...r.kernel.org, jhs@...atatu.com,
	tgraf@...g.ch, jesse@...ira.com
Subject: Re: [patch net-next v3] tc: introduce OpenFlow classifier

On Sun, Apr 12, 2015 at 08:36:18PM -0400, David Miller wrote:
> 
> It's easy to parameterize what flow dissector does and share code.

yes. Though I wouldn't pessimize ixgbe rx path even by single
cycle to accommodate openflow spec. As far as I understand the
skb_flow_dissect() job from driver point of view is to figure
out header length for copybreak, which includes parsing encaps,
whereas openflow stops at outer header. Even with this difference,
it surely can be parameterized. Would be great to share if it
doesn't cost rx anything.

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