netdev - Re: [PATCH] tcp: use correct counters in CA

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Message-Id: <20101017.134703.112598933.davem@davemloft.net>
Date:	Sun, 17 Oct 2010 13:47:03 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] tcp: use correct counters in CA_CWR state too

From: "Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Thu, 14 Oct 2010 14:52:09 +0300 (EEST)

> As CWR is stronger than CA_Disorder state, we can miscount
> SACK/Reno failure into other timeouts. Not a bad problem as
> it can happen only due to ECN, FRTO detecting spurious RTO
> or xmit error which are the only callers of tcp_enter_cwr.
> And even then losses and RTO must still follow thereafter
> to actually end up into the relevant code paths.
> 
> Compile tested.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

Also applied to net-next-2.6, thanks.
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