enum ieee80211_tx_status_flags — transmit status flags
enum ieee80211_tx_status_flags { IEEE80211_TX_STATUS_TX_FILTERED, IEEE80211_TX_STATUS_ACK, IEEE80211_TX_STATUS_AMPDU };
The frame was not transmitted because the destination STA was in powersave mode.
Frame was acknowledged
The frame was aggregated, so status is for the whole aggregation.
Status flags to indicate various transmit conditions.