netdev - Re: [PATCH net-2.6 01/17] tcp: fix retrans

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Message-Id: <20090301.002211.165202295.davem@davemloft.net>
Date:	Sun, 01 Mar 2009 00:22:11 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-2.6 01/17] tcp: fix retrans_out leaks

From: "Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Sat, 28 Feb 2009 16:44:26 +0200

> There's conflicting assumptions in shifting, the caller assumes
> that dupsack results in S'ed skbs (or a part of it) for sure but
> never gave a hint to tcp_sacktag_one when dsack is actually in
> use. Thus DSACK retrans_out -= pcount was not taken and the
> counter became out of sync. Remove obstacle from that information
> flow to get DSACKs accounted in tcp_sacktag_one as expected.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
> Tested-by: Denys Fedoryshchenko <denys@...p.net.lb>

Applied, thanks.
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