+
+ # TXPower settings only work if device is up already
+ # while atheros hardware theoretically is capable of per-vif (even per-packet) txpower
+ # adjustment it does not work with the current atheros hal/madwifi driver
+
+ config_get vif_txpower "$vif" txpower
+ # use vif_txpower (from wifi-iface) instead of txpower (from wifi-device) if
+ # the latter doesn't exist
+ txpower="${txpower:-$vif_txpower}"
+ [ -z "$txpower" ] || iwconfig "$ifname" txpower "${txpower%%.*}"
+