netdev - Re: [PATCH net-2.6] [TCP]: fix D-SACK cwnd handling

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Message-Id: <20071026.042818.263025603.davem@davemloft.net>
Date:	Fri, 26 Oct 2007 04:28:18 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	takano-ryousei@...t.go.jp
Cc:	netdev@...r.kernel.org, ilpo.jarvinen@...sinki.fi,
	y-kodama@...t.go.jp
Subject: Re: [PATCH net-2.6] [TCP]: fix D-SACK cwnd handling

From: Ryousei Takano <takano-ryousei@...t.go.jp>
Date: Thu, 25 Oct 2007 17:11:47 +0900 (JST)

> In the current net-2.6 kernel, handling FLAG_DSACKING_ACK is broken.
> The flag is cleared to 1 just after FLAG_DSACKING_ACK is set.
> 
>         if (found_dup_sack)
>                 flag |= FLAG_DSACKING_ACK;
> 	:
> 	flag = 1;
> 
> To fix it, this patch introduces a part of the tcp_sacktag_state patch:
> 	http://marc.info/?l=linux-netdev&m=119210560431519&w=2
> 
> Do you plan to apply the tcp_sacktag_state patch?
> Or please apply this patch.
> 
> Signed-off-by: David S. Miller <davem@...emloft.net>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
> Signed-off-by: Ryousei Takano <takano-ryousei@...t.go.jp>

I've applied this patch, thank you!

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