On 27.08.2020 12:08, Rasmus Villemoes wrote: > Hi, > > We have a requirement that when an interface is taken down > administratively, the phy should be powered off. That also works when > the interface has link when the 'ip link set down ...' is run. But if > there's no cable plugged in, the phy stays powered on (as can be seen > both using phytool, and from the fact that a peer gets carrier once a > cable is later plugged in). > > Is this expected behaviour? Driver/device dependent? Can we do anything > to force the phy off? > This may be MAC/PHY-driver dependent. Which driver(s) do we talk about? Also it may depend on whether Runtime PM is active for a PCI network device. In addition WoL should be disabled.
> Thanks, > Rasmus > Heiner
