On 2015-01-03, Alan Corey <alan01...@gmail.com> wrote: > I'm trying to do some antenna work so I want a weak signal from the > other side of the basement. So I try stuff like ifconfig athn0 > txpower 1 and get "ifconfig: SIOCS80211TXPOWER: Invalid argument". > Any number I've tried gives the same thing. If I leave out the number > it tells me I need one. Worse, the same thing happens with athn, ath, > urtwn, in OpenBSD 5.6, 5.2, 5.0.
Grepping over /sys/dev source, it appears that the only OpenBSD driver implementing this ioctl is wi(4).