[ofa-general] Re: [PATCH v4 14/14] QLogic VNIC: sysfs Documentation

[Patrick McHardy]

Patrick McHardy wrote:
> Jason Gunthorpe wrote:
>> On Wed, Jun 18, 2008 at 02:38:00PM +0200, Patrick McHardy wrote:
>>
>>>> Currently we register netdevice only after we have made sure that
>>>> we can connect to the EVIC and that there are enough resources on
>>>> the EVIC to support this virtual ethernet interface. But if we
>>>> register the netdevice without making sure that we can reach the
>>>> EVIC and that it has resources, there is a possibility that we
>>>> register a netdevice that can never become active.
>  >>
>>> Thats similar to a ethernet device that never has a cable
>>> plugged in. You should register the device with its carrier
>>> turned off, then change the carrier state once the connection
>>> has been established.
>>
>> I would also encourage you to embrace this view of the VNIC as a
>> tunnel fully and let the administrator re-target an active netdevice
>> to a different VNIC without tearing down the netdevice..

Maybe I misparsed this, sorry Jason :)