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From: Patrick McHardy <kaber@trash.net>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: netdev@vger.kernel.org
Subject: Re: Netlink event for network device statistics
Date: Tue, 01 Dec 2009 12:28:59 +0100	[thread overview]
Message-ID: <4B14FDFB.7060600@trash.net> (raw)
In-Reply-To: <1259535397.4421.3.camel@violet>

Marcel Holtmann wrote:
> 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?

Don't we already include them in the DELLINK message? rtnl_fill_ifinfo()
unconditionally includes the statistics.

  reply	other threads:[~2009-12-01 11:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-29 22:56 Netlink event for network device statistics Marcel Holtmann
2009-12-01 11:28 ` Patrick McHardy [this message]
2009-12-01 13:36   ` Marcel Holtmann

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