netdev - Re: [PATCH] IPv6: fix rt_lookup in pmtu

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Date:	Sat, 23 Jan 2010 02:20:55 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	zenczykowski@...il.com
Cc:	lorenzo@...gle.com, therbert@...gle.com, netdev@...r.kernel.org
Subject: Re: [PATCH] IPv6: fix rt_lookup in pmtu_discovery

From: Maciej Żenczykowski <zenczykowski@...il.com>
Date: Wed, 13 Jan 2010 16:51:30 -0800

> I believe you are looking for the following patch.
> 
> I don't think it solves the problem of source based routing to any
> (significantly) greater extent than the previous patch.
> That would actually require iterating over all IPs assigned to any
> interface on our machine.
> 
> However, I really don't understand the code (nor the precise issues
> involved) sufficiently well to be certain of that.
> 
> I actually think the ipv4 code path suffers from a very similar problem.
> 
> Mind you - I don't think these issues are really significant problems,
> because they just mean we do PMTU once per (dest ip, src ip) instead
> of once per (dest ip).

Yes, this is about right.

Please resubmit with a proper Signed-off-by: tag so I can apply
this, thanks.
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