On Sun, Apr 03, 2016 at 07:29:09AM +0200, Stefan Sperling wrote: > The following drivers advertise IBSS support in their man pages: > > acx(4), an(4), ath(4), atu(4), atw(4), ipw(4), iwi(4), pgt(4), > ral(4), rtw(4), rum(4), ural(4)
Just in case you are considering ath(4) from the above list as a replacement for your athn(4) card, note that ath(4) does not support 11g at present. It only supports 11b and 11a. The man page in OpenBSD 5.9 does't mention this bug (I've just fixed the man page in -current).

