netdev - Re: [PATCH 2/9] [TCP] FRTO: remove unnecessary fackets/sacked

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Date:	Thu, 31 May 2007 01:40:19 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 2/9] [TCP] FRTO: remove unnecessary fackets/sacked_out
 recounting

From: "Ilpo_Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Sat, 26 May 2007 11:35:55 +0300

> From: =?ISO-8859-1?q?Ilpo_J=E4rvinen?= <ilpo.jarvinen@...sinki.fi>
> 
> F-RTO does not touch SACKED_ACKED bits at all, so there is no
> need to recount them in tcp_enter_frto_loss. After removal of
> the else branch, nested ifs can be combined.
> 
> This must also reset sacked_out when SACK is not in use as TCP
> could have received some duplicate ACKs prior RTO. To achieve
> that in a sane manner, tcp_reset_reno_sack was re-placed by the
> previous patch.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

Looks good, applied.
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