OWNbit
if ((tpc->RxDescArray[cur_rx].status & OWNbit) == 0) {
(OWNbit | EORbit) + RX_BUF_SIZE;
OWNbit + RX_BUF_SIZE;
(OWNbit | FSbit | LSbit) | ((s > ETH_ZLEN) ? s :
(OWNbit | EORbit | FSbit | LSbit) | ((s > ETH_ZLEN) ? s
while ((tpc->TxDescArray[entry].status & OWNbit) && (currticks() < to)); /* wait */
(OWNbit | EORbit) + RX_BUF_SIZE;
tpc->RxDescArray[i].status = OWNbit + RX_BUF_SIZE;