linux-kernel - Re: [PATCH updated] net: add ability to clear per-interface network statistics via procfs

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Message-ID: <482F89B2.6060108@trash.net>
Date:	Sun, 18 May 2008 03:43:14 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Ben Hutchings <bhutchings@...arflare.com>
CC:	James Cammarata <jimi@...x.net>,
	Eric Dumazet <dada1@...mosbay.com>,
	linux-kernel@...r.kernel.org,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH updated] net: add ability to clear per-interface network
 statistics via procfs

Ben Hutchings wrote:
>> +                        dev = dev_get_by_name(net,devname);
>> +                        if (dev) {
>> +                                if (dev->get_stats) {
>> +                                        struct net_device_stats *stats =
>> +                                               dev->get_stats(dev);
>> +                                        memset(stats,0,
>> +                                               sizeof(struct 
>> net_device_stats));

This doesn't work for devices that generate the stats (for
example by reading them from the hardware) in ->get_stats().

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