Re: how to report network device errors to userspace?

[James Morris <jmorris@xxxxxxxxxxxxxxxx>]

On Wed, 19 Jun 2002, Andi Kleen wrote:

> On Wed, Jun 19, 2002 at 05:44:05PM -0400, Chris Friesen wrote:
> > Andi Kleen wrote:
> > 
> > > I would suggest sending a netlink message from the driver.  That's really
> > > what netlink was designed for.
> > 
> > Can you point me to a driver that's done this cleanly as an example to 
> > follow?
> 
> Not exactly a driver, but you can e.g. look at the ip_queue netfilter 
> module.
> 

It's not a very clean example at this stage, unfortunately, as it contains 
some fairly ugly logic for maintaining unicast sessions.

If you don't specifically need unicast Netlink (which I don't think you 
do), try also looking at the tcpdiag & ctnetlink code.


- James
-- 
James Morris
<jmorris@xxxxxxxxxxxxxxxx>