IPW2100_NUM_TXBD
sc->sc_tx_cur = RING_FORWARD(sc->sc_tx_cur, 1, IPW2100_NUM_TXBD);
sc->sc_tx_free = IPW2100_NUM_TXBD;
ipw2100_csr_put32(sc, IPW2100_CSR_TX_BD_SIZE, IPW2100_NUM_TXBD);
sc->sc_tx_cur = RING_FORWARD(sc->sc_tx_cur, 1, IPW2100_NUM_TXBD);
sc->sc_tx_cur = RING_FORWARD(sc->sc_tx_cur, 1, IPW2100_NUM_TXBD);
sc->sc_tx_free, IPW2100_NUM_TXBD),
ridx, IPW2100_NUM_TXBD);
#define IPW2100_TXBD_SIZE (IPW2100_NUM_TXBD * sizeof (struct ipw2100_bd))
#define IPW2100_NUM_TXBUF (IPW2100_NUM_TXBD/2) /* ipw2100_txb number */