netdev - Re: [PATCH] TX_RING and packet mmap

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Message-ID: <20090407141708.GA15253@gondor.apana.org.au>
Date:	Tue, 7 Apr 2009 22:17:08 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	jamal <hadi@...erus.ca>
Cc:	Johann Baudy <johann.baudy@...-log.net>, netdev@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: [PATCH] TX_RING and packet mmap

On Tue, Apr 07, 2009 at 09:47:47AM -0400, jamal wrote:
> On Tue, 2009-04-07 at 21:04 +0800, Herbert Xu wrote:
> 
> > Well through tc ipt actions you can invoke arbitrary netfilter
> > targets, including MARK --set-mark.
> 
> I thought you were saying this issue can be solved by 
> tc/mark but you meant tc/mark is one culprit;->
> Solvable by making sure tc/mark is not used in the system
> you are running an app using this feature.

Actually it's not just the tc ipt action.  If the target device
is a bridge then that too can invoke netfilter.  On the other hand
this is yet another feature that I've never really liked :)

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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