ATH_RXBUF
(ATH_TXBUF + ATH_RXBUF + ATH_BCBUF + 1);
1 + ATH_TXBUF + ATH_RXBUF + ATH_BCBUF);
for (i = 0; i < ATH_RXBUF; i++, bf++, ds++, da += sizeof(*ds)) {
*rx = *rx_max = ATH_RXBUF;
if (rx != ATH_RXBUF)
error = ath_rx_init(sc, ATH_RXBUF);