netdev - Re: [PATCH 5/5] [TCP] MIB: Add counters for discarded SACK blocks

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Message-Id: <20070824.225608.93637672.davem@davemloft.net>
Date:	Fri, 24 Aug 2007 22:56:08 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 5/5] [TCP] MIB: Add counters for discarded SACK blocks

From: "Ilpo_Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Mon, 20 Aug 2007 16:16:33 +0300

> In DSACK case, some events are not extraordinary, such as packet
> duplication generated DSACK. They can arrive easily below
> snd_una when undo_marker is not set (TCP being in CA_Open),
> counting such DSACKs amoung SACK discards will likely just
> mislead if they occur in some scenario when there are other
> problems as well. Similarly, excessively delayed packets could
> cause "normal" DSACKs. Therefore, separate counters are
> allocated for DSACK events.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

Also applied, thanks a lot!
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