On Fri, Oct 08, 2010 at 10:24:50AM -0700, Ben Greear wrote: > On 10/08/2010 10:12 AM, Johannes Berg wrote: > > On Fri, 2010-10-08 at 10:07 -0700, Ben Greear wrote: > > > >> Well, the command fails because of this check (mbm is 20 in his case) > >> cfg.c: > >> case NL80211_TX_POWER_FIXED: > >> if (mbm< 0 || (mbm % 100)) > >> return -EOPNOTSUPP; > >> > >> That mbm % 100 looks quite strange to me..any idea what that is supposed to > >> accomplish? > > > > There's a later division by 100 to go from mBm to dBm ... I think you > > want 2000, not 20. > > Well, it's documented in iw to be 'mBm', though I surely wouldn't have known > what that stood for (nothing useful shows up on google for 'mBm units'). d-B-m is deci-Bel-milliWatt, so a mBm ostensibly is a milli-Bel-milliWatt... (yes, the "m" really encodes "mW"...) -David -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
