netdev - Netlink event for network device statistics

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Date:	Sun, 29 Nov 2009 23:56:37 +0100
From:	Marcel Holtmann <marcel@...tmann.org>
To:	netdev@...r.kernel.org
Subject: Netlink event for network device statistics

Hi everyone,

so I was playing with monitoring network device statistics and storing
them over a period of time. While netlink and ethtool provides all the
network packet statistics, I have a problem with devices that are
actually hotplug. Especially 3G cards that get taken off the bus via
RFKILL and external dongles that can be unplugged at any time.

So I was thinking that before we send the DELLINK netlink event for that
interface, we should send the latest statistic details via netlink. Is
that a good idea or is there another way to get up-to-date statistics
without polling for them?

Regards

Marcel

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