netdev - Re: [PATCH] drop_monitor: make last

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Date:	Wed, 02 Sep 2009 14:37:55 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	nhorman@...driver.com
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH] drop_monitor: make last_rx timestamp private

From: Neil Horman <nhorman@...driver.com>
Date: Wed, 2 Sep 2009 09:36:20 -0400

> Ok, heres a repost, unchanged saved for being massaged to fit in with the recent
> changes that my origional patch raced against.  Thanks!
> Neil
> 
> 
> It was recently pointed out to me that the last_rx field of the net_device
> structure wasn't updated regularly.  In fact only the bonding driver really uses
> it currently.  Since the drop_monitor code relies on the last_rx field to detect
> drops on recevie in hardware, We need to find a more reliable way to rate limit
> our drop checks (so that we don't check for drops on every frame recevied, which
> would be inefficient.  This patch makes a last_rx timestamp that is private to
> the drop monitor code and is updated for every device that we track.
> 
> Signed-off-by: Neil Horman <nhorman@...driver.com>

Applied, thanks Neil.
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