368 	struct tcb *send_head;  member
1768 	tx_ring->send_head = NULL;  in et131x_init_send()
2560 		tx_ring->send_head = tcb;  in nic_send_packet()
2700 	tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2705 		tx_ring->send_head = next;  in et131x_free_busy_send_packets()
2719 		tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2750 	tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2756 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2765 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2771 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2780 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
3391 		struct tcb *tcb = tx_ring->send_head;  in et131x_isr()
3828 	tcb = tx_ring->send_head;  in et131x_tx_timeout()