191 			struct sk_buff *skb = greth->tx_skbuff[greth->tx_last];  in greth_clean_rings()
193 			tx_bdp = greth->tx_bd_base + greth->tx_last;  in greth_clean_rings()
194 			greth->tx_last = NEXT_TX(greth->tx_last);  in greth_clean_rings()
203 				tx_bdp = greth->tx_bd_base + greth->tx_last;  in greth_clean_rings()
210 				greth->tx_last = NEXT_TX(greth->tx_last);  in greth_clean_rings()
328 	greth->tx_last = 0;  in greth_init_rings()
457 static inline u16 greth_num_free_bds(u16 tx_last, u16 tx_next)  in greth_num_free_bds()  argument
459 	if (tx_next < tx_last)  in greth_num_free_bds()
460 		return (tx_last - tx_next) - 1;  in greth_num_free_bds()
462 		return GRETH_TXBD_NUM - (tx_next - tx_last) - 1;  in greth_num_free_bds()
473 	u16 tx_last;  in greth_start_xmit_gbit()  local
476 	tx_last = greth->tx_last;  in greth_start_xmit_gbit()
479 	if (greth_num_free_bds(tx_last, greth->tx_next) < nr_frags + 1) {  in greth_start_xmit_gbit()
631 		bdp = greth->tx_bd_base + greth->tx_last;  in greth_clean_tx()
651 		dev->stats.tx_bytes += greth->tx_bufs_length[greth->tx_last];  in greth_clean_tx()
652 		greth->tx_last = NEXT_TX(greth->tx_last);  in greth_clean_tx()
683 	u16 tx_last;  in greth_clean_tx_gbit()  local
686 	tx_last = greth->tx_last;  in greth_clean_tx_gbit()
688 	while (tx_last != greth->tx_next) {  in greth_clean_tx_gbit()
690 		skb = greth->tx_skbuff[tx_last];  in greth_clean_tx_gbit()
695 		bdp_last_frag = greth->tx_bd_base + SKIP_TX(tx_last, nr_frags);  in greth_clean_tx_gbit()
704 		greth->tx_skbuff[tx_last] = NULL;  in greth_clean_tx_gbit()
709 		bdp = greth->tx_bd_base + tx_last;  in greth_clean_tx_gbit()
711 		tx_last = NEXT_TX(tx_last);  in greth_clean_tx_gbit()
720 			bdp = greth->tx_bd_base + tx_last;  in greth_clean_tx_gbit()
727 			tx_last = NEXT_TX(tx_last);  in greth_clean_tx_gbit()
733 		greth->tx_last = tx_last;  in greth_clean_tx_gbit()
736 		    (greth_num_free_bds(tx_last, greth->tx_next) >  in greth_clean_tx_gbit()
997 		if ((greth->gbit_mac && (greth->tx_last != greth->tx_next)) ||  in greth_poll()