368 	struct tcb *send_head;  member
1768 	tx_ring->send_head = NULL;  in et131x_init_send()
2561 		tx_ring->send_head = tcb;  in nic_send_packet()
2701 	tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2706 		tx_ring->send_head = next;  in et131x_free_busy_send_packets()
2720 		tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2751 	tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2757 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2766 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2772 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2781 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
3392 		struct tcb *tcb = tx_ring->send_head;  in et131x_isr()
3822 	tcb = tx_ring->send_head;  in et131x_tx_timeout()