* @tx_packets: number of RX/TX MSDUs
* @tx_bytes: number of bytes transmitted to this STA
* @tx_fragments: number of transmitted MPDUs
- * @last_txrate: description of the last used transmit rate
* @tid_seq: per-TID sequence numbers for sending to this STA
* @ampdu_mlme: A-MPDU state machine state
* @timer_to_tid: identity mapping to ID timers