Re: vlan: update vlan carrier state for admin up/down

[David Miller <davem@davemloft.net>]

From: Patrick McHardy <kaber@trash.net>
Date: Fri, 24 Apr 2009 17:44:47 +0200

>     vlan: update vlan carrier state for admin up/down
>     
>     	Currently, the VLAN event handler does not adjust the VLAN
>     device's carrier state when the real device or the VLAN device is set
>     administratively up or down.
>     
>     	The following patch adds a transfer of operating state from the
>     real device to the VLAN device when the real device is administratively
>     set up or down, and sets the carrier state up or down during init, open
>     and close of the VLAN device.
>     
>     	This permits observers above the VLAN device that care about the
>     carrier state (bonding's link monitor, for example) to receive updates
>     for administrative changes by more closely mimicing the behavior of real
>     devices.
>     
>     Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
>     Signed-off-by: Patrick McHardy <kaber@trash.net>

I've applied this to net-2.6, thanks!

I realize there are some more issues to deal with wrt. the
comments Ben made.  And I eagerly await patches for that :)