netdev - Re: A Linux TCP SACK Question

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Message-Id: <20080416.012732.152357000.davem@davemloft.net>
Date:	Wed, 16 Apr 2008 01:27:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	johnwheffner@...il.com
Cc:	wenji@...l.gov, ilpo.jarvinen@...sinki.fi, netdev@...r.kernel.org
Subject: Re: A Linux TCP SACK Question

From: "John Heffner" <johnwheffner@...il.com>
Date: Tue, 15 Apr 2008 15:40:05 -0700

> Subject: [PATCH] Increase the max_burst threshold from 3 to tp->reordering.
> 
> This change is necessary to allow cwnd to grow during persistent
> reordering.  Cwnd moderation is applied when in the disorder state
> and an ack that fills the hole comes in.  If the hole was greater
> than 3 packets, but less than tp->reordering, cwnd will shrink when
> it should not have.
> 
> Signed-off-by: John Heffner <jheffner@...a.(none)>

I think this patch is correct, or at least more correct than what
this code is doing right now.

Any objections to my adding this to net-2.6.26?
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