Re: [RFD] Automatic suspend

Oliver Neukum
2009-02-16T07:06:13Z

Am Monday 16 February 2009 03:20:12 schrieb Arjan van de Ven:
> >or
> > network or similar where the driver cannot shut the device down
> > without losing the ability to detect activity (ie, switch your PHY
> > off is nice but you lose the ability to monitor the link for example).
>
> what this needs is a separation between "interface down, all off" and
> "interface down enough so that link detection works".
> Some NICs can go all the way down and still do link detection, others
> cannot. This is obviously something the driver will know, nothing else
> in the system should know.

Why shouldn't user space know the consequences of still requesting
a service and be able to decide on that basis which services to request?

Regards
Oliver