enum ieee80211_conf_flags — configuration flags
enum ieee80211_conf_flags { IEEE80211_CONF_RADIOTAP, IEEE80211_CONF_PS, IEEE80211_CONF_IDLE, IEEE80211_CONF_QOS };
add radiotap header at receive time (if supported)
Enable 802.11 power save mode (managed mode only)
The device is running, but idle; if the flag is set the driver should be prepared to handle configuration requests but may turn the device off as much as possible. Typically, this flag will be set when an interface is set UP but not associated or scanning, but it can also be unset in that case when monitor interfaces are active.
Enable 802.11e QoS also know as WMM (Wireless Multimedia). On some drivers (iwlwifi is one of know) we have to enable/disable QoS explicitly.