Messages in this thread | | | Date | Sat, 04 Apr 2009 17:05:39 -0700 (PDT) | Subject | Re: [PATCH 1/1] Tell linkwatch about new interfaces | From | David Miller <> |
| |
From: Andrew Lutomirski <amluto@gmail.com> Date: Wed, 1 Apr 2009 11:40:06 -0400
> When a network driver registers a new interface, linkwatch will not notice, > and hence not set the rfc2863 operstate, until netif_carrier_on gets called. > If the new interface has no carrier when it is connected, then a status of > "unknown" is reported to userspace, which confuses various tools > (NetworkManager, for example). > > This fires a linkwatch event for all new interfaces, so that operstate > gets set reasonably quickly. > > Signed-off-by: Andrew Lutomirski <amluto@gmail.com>
The default assumed state for a freshly registered network device is that the link is up.
If that disagrees from reality, the driver should make the appropriate netif_carrier_off() call.
I'm sure you'll find that the e1000 driver is not doing this and that is what causes the bug you are seeing.
| |