wpi_free_tx_ring
wpi_free_tx_ring(sc, ring);
wpi_free_tx_ring(sc, &sc->sc_svcq);
wpi_free_tx_ring(sc, &sc->sc_cmdq);
wpi_free_tx_ring(sc, &sc->sc_txq[i]);
static void wpi_free_tx_ring(wpi_sc_t *, wpi_tx_ring_t *);