Re: [PATCH] netdev/uevent

From: Greg KH
Date: Tue Feb 21 2006 - 19:14:53 EST


On Wed, Feb 22, 2006 at 12:48:07AM +0100, Thomas Ogrisegg wrote:
> This patch adds userspace notification for register/unregister and
> plug/unplug events for netdevices. It calls kobject_uevent to let
> userspace applications (via netlink-interface) know that e.g. the
> ethernet-cable was plugged in (or plugged out) and thus the ethernet
> device may have to be reconfigured.
>
> Common scenario:
> A userspace application is notified that the ethernet cable was plugged
> out and later plugged in. It now checks whether the ethernet card is now
> connected to an other network and reassigns it's IP-Address via DHCP.
>
> BTW: Of course I know that the constant KOBJ_ONLINE actually has an other
> meaning than what I used it for. I just didn't want to introduce a new
> constant and it just seems perfect for my purpose.
>
> Signed-off-by: Thomas Ogrisegg <tom-lkml@xxxxxxxxxxxxx>

Hm, I thought ethtool and netlink already handled this kind of event
just fine. Why would you add a uevent too?

thanks,

greg k-h
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