On Tue, 2013-10-01 at 13:14 +0200, Felix Fietkau wrote: > On 2013-10-01 1:05 PM, Johannes Berg wrote: > > On Fri, 2013-09-06 at 15:06 +0200, Felix Fietkau wrote: > >> Report the maximum allowable extra antenna gain to the driver to allow > >> it to reduce the tx power even further based on internal data > > > > I don't quite understand the maximum thing here - what's a user to do > > who has an antenna that goes over? Is that then intended to not be > > supported? That seems odd. A very high gain antenna might just result in > > signal distortions, but what's the reason for limiting it this way? > Very high gain antennas are useful for long distance links. > The signal is not distorted, but focused directionally, which can easily > make it exceed regulatory EIRP limits, unless tx power is reduced > appropriately. Sure. > If the user explicitly configures the gain of the directional antenna > using this patch, mac80211 will reduce the maximum allowed tx power > setting to stay within the legal limit. I understand. I don't understand the pieces about "max_antenna_gain". johannes -- 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
