ATH_TXBUF
(ATH_TXBUF * ATH_TXDESC + ATH_RXBUF + 1);
bsize = sizeof(struct ath_buf) * (ATH_TXBUF + ATH_RXBUF + 1);
for (i = 0; i < ATH_TXBUF; i++, bf++, ds += ATH_TXDESC) {
for (i = ATH_RXBUF; i < ATH_RXBUF + ATH_TXBUF; i++) {
ifq_init_maxlen(&ifp->if_snd, ATH_TXBUF * ATH_TXDESC);