netdev - Re: [patch net-next v3 00/15] introduce programable flow dissector and cls

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Date:	Wed, 13 May 2015 15:21:02 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	jiri@...nulli.us
Cc:	netdev@...r.kernel.org, jhs@...atatu.com, tgraf@...g.ch,
	jesse@...ira.com, kaber@...sh.net, tom@...bertland.com,
	edumazet@...gle.com, alexander.h.duyck@...hat.com,
	hannes@...essinduktion.org, ast@...mgrid.com, daniel@...earbox.net,
	herbert@...dor.apana.org.au, cwang@...pensource.com,
	john.fastabend@...il.com
Subject: Re: [patch net-next v3 00/15] introduce programable flow dissector
 and cls_flower

From: Jiri Pirko <jiri@...nulli.us>
Date: Tue, 12 May 2015 14:56:06 +0200

> Per Davem's request, I prepared this patchset which introduces programmable
> flow dissector. For current users of flow_keys, there is a wrapper
> skb_flow_dissect_flow_keys which maintains the previous behaviour.
> For purposes of cls_flower, couple of new dissection keys were introduced.
> 
> Note that this dissector can be also eventually used by openvswitch code.
> 
> Also, as a next step, I plan to get rid of *skb_flow_get_ports(export)
> and *__skb_get_poff as their functionality can be now implemented by
> skb_flow_dissect as well.
> 
> v2->v3:
> - remove TCA_FLOWER_POLICE attr suggested by Jamal
> 
> v1->v2:
> - move __skb_tx_hash rather to dev.c as suggested by Alex

Ok, assuming this passes all of my build tests, I'll push this into
net-next.

I'm sure there will be some performance improvements possible, and I
hope you will look into making sure this new programmable classifier
is as light weight as possible.

Anyways, thanks a lot.
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