netdev - Re: [PATCH v2 -next] net: tcp: add mib counters to track zero window transitions

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Message-ID: <1393391242.2316.145.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Tue, 25 Feb 2014 21:07:22 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Florian Westphal <fw@...len.de>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v2 -next] net: tcp: add mib counters to track zero
 window transitions

On Tue, 2014-02-25 at 14:34 +0100, Florian Westphal wrote:
> Three counters are added:
> - one to track when we went from non-zero to zero window
> - one to track the reverse
> - one counter incremented when we want to announce zero window,
>   but can't because we would shrink current window.
> 
> Suggested-by: Eric Dumazet <edumazet@...gle.com>
> Signed-off-by: Florian Westphal <fw@...len.de>
> ---
> Changes in v2:
>  - use NET_INC_STATS, not _BH; can be called from both bh and process context (pointed out by Hannes)
>  - rename LINUX_MIB_TCPWANTZEROWINDOW to LINUX_MIB_TCPWANTZEROWINDOWADV for consistency

Thanks Florian

Acked-by: Eric Dumazet <edumazet@...gle.com>


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