1080 		    queue_index, queue->tx_tail, queue->tx_head);  in macb_tx_error_task()
1107 	for (tail = queue->tx_tail; tail != queue->tx_head; tail++) {  in macb_tx_error_task()
1167 	queue->tx_head = 0;  in macb_tx_error_task()
1226 	head = queue->tx_head;  in macb_tx_complete()
1285 	    CIRC_CNT(queue->tx_head, queue->tx_tail,  in macb_tx_complete()
1708 	if (queue->tx_head == queue->tx_tail)  in macb_tx_restart()
1713 	head_idx = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, queue->tx_head));  in macb_tx_restart()
1732 	if (queue->tx_head != queue->tx_tail) {  in macb_tx_complete_pending()
2028 	unsigned int len, entry, i, tx_head = queue->tx_head;  in macb_tx_map()  local
2054 		entry = macb_tx_ring_wrap(bp, tx_head);  in macb_tx_map()
2072 		tx_head++;  in macb_tx_map()
2085 			entry = macb_tx_ring_wrap(bp, tx_head);  in macb_tx_map()
2102 			tx_head++;  in macb_tx_map()
2119 	/* Set 'TX_USED' bit in buffer descriptor at tx_head position  in macb_tx_map()
2122 	i = tx_head;  in macb_tx_map()
2158 		if (i == queue->tx_head) {  in macb_tx_map()
2178 	} while (i != queue->tx_head);  in macb_tx_map()
2180 	queue->tx_head = tx_head;  in macb_tx_map()
2187 	for (i = queue->tx_head; i != tx_head; i++) {  in macb_tx_map()
2371 	if (CIRC_SPACE(queue->tx_head, queue->tx_tail,  in macb_start_xmit()
2374 		netdev_dbg(bp->dev, "tx_head = %u, tx_tail = %u\n",  in macb_start_xmit()
2375 			   queue->tx_head, queue->tx_tail);  in macb_start_xmit()
2396 	if (CIRC_SPACE(queue->tx_head, queue->tx_tail, bp->tx_ring_size) < 1)  in macb_start_xmit()
2634 		queue->tx_head = 0;  in gem_init_rings()
2658 	bp->queues[0].tx_head = 0;  in macb_init_rings()
3434 	head = macb_tx_ring_wrap(bp, bp->queues[0].tx_head);  in macb_get_regs()