netdev - Re: [PATCH 02/10] [TCP]: Extend reordering detection to cover CA

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Message-Id: <20071115.193527.149970561.davem@davemloft.net>
Date:	Thu, 15 Nov 2007 19:35:27 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 02/10] [TCP]: Extend reordering detection to cover
 CA_Loss partially

From: "Ilpo_Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Thu, 15 Nov 2007 15:37:26 +0200

> This implements more accurately what is stated in sacktag's
> overall comment:
> 
>   "Both of these heuristics are not used in Loss state, when
>    we cannot account for retransmits accurately."
> 
> When CA_Loss state is entered, the state changer ensures that
> undo_marker is only set if no TCPCB_RETRANS skbs were found,
> thus having non-zero undo_marker in CA_Loss basically tells
> that the R-bits still accurately reflect the current state
> of TCP.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

Applied to net-2.6.25, thanks!
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