From: David Miller <davem@davemloft.net>
To: chris.friesen@genband.com
Cc: dev@nico22.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: Network link detection
Date: Thu, 03 Mar 2011 14:01:06 -0800 (PST) [thread overview]
Message-ID: <20110303.140106.191399853.davem@davemloft.net> (raw)
In-Reply-To: <4D700A5B.2000807@genband.com>
From: Chris Friesen <chris.friesen@genband.com>
Date: Thu, 03 Mar 2011 15:38:35 -0600
> You might look at whether you could write a kernel module to register
> for NETDEV_CHANGE notifications and pass that back to userspace.
This is the kind of responses you get when you ask networking specific
questions and don't CC: netdev :-/
There is this thing called netlink, you can listen for arbitrary
network state change events on a socket, and get the link state
notifications you are looking for. It's in use by many real
applications like NetworkManager and co.
next parent reply other threads:[~2011-03-03 22:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20110303193006.GA29129@svh.nico22.de>
[not found] ` <4D700A5B.2000807@genband.com>
2011-03-03 22:01 ` David Miller [this message]
2011-03-03 22:29 ` Network link detection Nico Schümann
2011-03-07 19:49 ` Dan Williams
2011-03-03 23:54 ` Chris Friesen
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