netdev - Re: [PATCH -next 0/3] net: cap size to original frag size when refragmenting

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Message-ID: <20150416052904.GA12648@gondor.apana.org.au>
Date:	Thu, 16 Apr 2015 13:29:04 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	David Miller <davem@...emloft.net>, fw@...len.de,
	netdev@...r.kernel.org
Subject: Re: [PATCH -next 0/3] net: cap size to original frag size when
 refragmenting

On Thu, Apr 16, 2015 at 06:24:00AM +0100, Patrick McHardy wrote:
>
> Netfilter may change the contents of the packet, even change its size.
> It is *really* hard to do this while keeping the original fragments
> intact.

Perhaps we should provide better helpers to facilitate this?

So instead of directly manipulating the content of the skb you
would so so through helpers and the helpers can then try to do
sensible things with the fragments.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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