netdev - Re: two other cases Re: [Bug 11721] after upgrade to 2.6.27 i cannot navigate

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Date:	Thu, 23 Oct 2008 14:07:22 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	jarkao2@...il.com, sentiniate@...cali.it, netdev@...r.kernel.org,
	bugme-daemon@...zilla.kernel.org, olon@...izon.net
Subject: Re: two other cases Re: [Bug 11721] after upgrade to 2.6.27 i
 cannot navigate

From: "Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Wed, 22 Oct 2008 13:00:01 +0300 (EEST)

> [PATCH] tcp: Restore ordering of TCP options for the sake of inter-operability
> 
> This is not our bug! Sadly some devices cannot cope with the change
> of TCP option ordering which was a result of the recent rewrite of
> the option code (not that there was some particular reason steming
> from the rewrite for the reordering) though any ordering of TCP
> options is perfectly legal. Thus we restore the original ordering
> to allow interoperability with/through such broken devices and add
> some warning about this trap. Since the reordering just happened
> without any particular reason, this change shouldn't cost us
> anything.
> 
> There are already couple of known failure reports (within close
> proximity of the last release), so the problem might be more
> wide-spread than a single device. And other reports which may
> be due to the same problem though the symptoms were less obvious.
> Analysis of one of the case revealed (with very high probability)
> that sack capability cannot be negotiated as the first option
> (SYN never got a response).
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
> Reported-by: Aldo Maggi <sentiniate@...cali.it>
> Tested-by: Aldo Maggi <sentiniate@...cali.it>

Applied and I'll queue up for -stable, thanks!
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