ATH_TXQ_REMOVE
ATH_TXQ_REMOVE(txq, bf, bf_list);
ATH_TXQ_REMOVE(&txq->fifo, bf, bf_list);
ATH_TXQ_REMOVE(txq, bf, bf_list);
ATH_TXQ_REMOVE(txq, bf, bf_list);
ATH_TXQ_REMOVE(&txq->fifo, bf, bf_list);