On Tue, Mar 22, 2016 at 07:44:05PM -0400, Jiri B wrote: > I wanted to go 'green' and thus I've thought de facto standard > 'em' interface supports wake on lan (WoL). > > $ grep -n -i wol ~/cvs/openbsd-src/sys/dev/pci/if_em* > /home/jirib/cvs/openbsd-src/sys/dev/pci/if_em_hw.c:1150: > /* Enable PHY low-power state when MAC is at D3 w/o WoL */ > /home/jirib/cvs/openbsd-src/sys/dev/pci/if_em_hw.h:3473:#define IGP3_CAP_WFM > 0x0002 /* Support WoL and PXE */ > > But it seems it is not case for every chip, right?
You need actual support in the driver to able to use WoL. If the man page doesn't mention WoL, it most likely won't work. The following drivers support WoL: nfe(4), re(4), vr(4), xl(4).

