Re: Network link detection

[Chris Friesen]

On 03/03/2011 01:30 PM, Nico Schümann wrote:
> Dear kernel developers,
> 
> currently I'm looking for a way to find out whether a network link went 
> down or up. Of course there is mii-tool, which can watch devices, too.
> 
> Unfortunately, I was not able to find out a way to be notified about 
> link status changes asynchronously. Is there a way? I'm looking for 
> something like "inotify for link states".

You might look at whether you could write a kernel module to register
for NETDEV_CHANGE notifications and pass that back to userspace.

Chris

-- 
Chris Friesen
Software Developer
GENBAND
chris.friesen@xxxxxxxxxxx
www.genband.com
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