netdev - Re: [PATCH] tcp: fix tcp_shifted_skb() adjustment of lost_cnt

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Message-Id: <20120214.144033.848861752845052421.davem@davemloft.net>
Date:	Tue, 14 Feb 2012 14:40:33 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	ncardwell@...gle.com
Cc:	netdev@...r.kernel.org, ilpo.jarvinen@...sinki.fi,
	nanditad@...gle.com, ycheng@...gle.com, therbert@...gle.com,
	subramanian.vijay@...il.com
Subject: Re: [PATCH] tcp: fix tcp_shifted_skb() adjustment of lost_cnt_hint
 for FACK

From: Neal Cardwell <ncardwell@...gle.com>
Date: Tue, 14 Feb 2012 01:22:08 -0500

> This commit ensures that lost_cnt_hint is correctly updated in
> tcp_shifted_skb() for FACK TCP senders. The lost_cnt_hint adjustment
> in tcp_sacktag_one() only applies to non-FACK senders, so FACK senders
> need their own adjustment.
> 
> This applies the spirit of 1e5289e121372a3494402b1b131b41bfe1cf9b7f -
> except now that the sequence range passed into tcp_sacktag_one() is
> correct we need only have a special case adjustment for FACK.
> 
> Signed-off-by: Neal Cardwell <ncardwell@...gle.com>

Applied, and queued up for -stable, thanks Neil.
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