ATH_TXBUF
#define ATH5K_TXQ_LEN_MAX (ATH_TXBUF / 4) /* bufs per queue */
(ATH_TXBUF + ATH_RXBUF + ATH_BCBUF + 1);
1 + ATH_TXBUF + ATH_RXBUF + ATH_BCBUF);
ah->txbuf_len = ATH_TXBUF;
for (i = 0; i < ATH_TXBUF; i++, bf++, ds++, da += sizeof(*ds)) {
error = ath_tx_init(sc, ATH_TXBUF);