ath_tx_processq
if (txqactive(sc->sc_ah, 0) && ath_tx_processq(sc, &sc->sc_txq[0]) > 0)
ath_tx_processq(sc, sc->sc_cabq);
nacked += ath_tx_processq(sc, &sc->sc_txq[0]);
nacked += ath_tx_processq(sc, &sc->sc_txq[1]);
nacked += ath_tx_processq(sc, &sc->sc_txq[2]);
nacked += ath_tx_processq(sc, &sc->sc_txq[3]);
ath_tx_processq(sc, sc->sc_cabq);
nacked += ath_tx_processq(sc, &sc->sc_txq[i]);