187 			struct sk_buff *skb = greth->tx_skbuff[greth->tx_last];  in greth_clean_rings()
189 			tx_bdp = greth->tx_bd_base + greth->tx_last;  in greth_clean_rings()
190 			greth->tx_last = NEXT_TX(greth->tx_last);  in greth_clean_rings()
199 				tx_bdp = greth->tx_bd_base + greth->tx_last;  in greth_clean_rings()
206 				greth->tx_last = NEXT_TX(greth->tx_last);  in greth_clean_rings()
325 	greth->tx_last = 0;  in greth_init_rings()
454 static inline u16 greth_num_free_bds(u16 tx_last, u16 tx_next)  in greth_num_free_bds()  argument
456 	if (tx_next < tx_last)  in greth_num_free_bds()
457 		return (tx_last - tx_next) - 1;  in greth_num_free_bds()
459 		return GRETH_TXBD_NUM - (tx_next - tx_last) - 1;  in greth_num_free_bds()
470 	u16 tx_last;  in greth_start_xmit_gbit()  local
473 	tx_last = greth->tx_last;  in greth_start_xmit_gbit()
476 	if (greth_num_free_bds(tx_last, greth->tx_next) < nr_frags + 1) {  in greth_start_xmit_gbit()
628 		bdp = greth->tx_bd_base + greth->tx_last;  in greth_clean_tx()
648 		dev->stats.tx_bytes += greth->tx_bufs_length[greth->tx_last];  in greth_clean_tx()
649 		greth->tx_last = NEXT_TX(greth->tx_last);  in greth_clean_tx()
680 	u16 tx_last;  in greth_clean_tx_gbit()  local
683 	tx_last = greth->tx_last;  in greth_clean_tx_gbit()
685 	while (tx_last != greth->tx_next) {  in greth_clean_tx_gbit()
687 		skb = greth->tx_skbuff[tx_last];  in greth_clean_tx_gbit()
692 		bdp_last_frag = greth->tx_bd_base + SKIP_TX(tx_last, nr_frags);  in greth_clean_tx_gbit()
701 		greth->tx_skbuff[tx_last] = NULL;  in greth_clean_tx_gbit()
706 		bdp = greth->tx_bd_base + tx_last;  in greth_clean_tx_gbit()
708 		tx_last = NEXT_TX(tx_last);  in greth_clean_tx_gbit()
717 			bdp = greth->tx_bd_base + tx_last;  in greth_clean_tx_gbit()
724 			tx_last = NEXT_TX(tx_last);  in greth_clean_tx_gbit()
730 		greth->tx_last = tx_last;  in greth_clean_tx_gbit()
733 		    (greth_num_free_bds(tx_last, greth->tx_next) >  in greth_clean_tx_gbit()
994 		if ((greth->gbit_mac && (greth->tx_last != greth->tx_next)) ||  in greth_poll()