347 struct tcb {  struct
348 	struct tcb *next;	/* Next entry in ring */  argument
359 	struct tcb *tcb_ring;  argument
362 	struct tcb *tcb_qhead;
363 	struct tcb *tcb_qtail;
366 	struct tcb *send_head;
367 	struct tcb *send_tail;
1756 	struct tcb *tcb = tx_ring->tcb_ring;  in et131x_init_send()  local
1758 	tx_ring->tcb_qhead = tcb;  in et131x_init_send()
1760 	memset(tcb, 0, sizeof(struct tcb) * NUM_TCB);  in et131x_init_send()
1763 		tcb->next = tcb + 1;  in et131x_init_send()
1764 		tcb++;  in et131x_init_send()
1767 	tcb--;  in et131x_init_send()
1768 	tx_ring->tcb_qtail = tcb;  in et131x_init_send()
1769 	tcb->next = NULL;  in et131x_init_send()
2363 	tx_ring->tcb_ring = kcalloc(NUM_TCB, sizeof(struct tcb),  in et131x_tx_dma_memory_alloc()
2420 static int nic_send_packet(struct et131x_adapter *adapter, struct tcb *tcb)  in nic_send_packet()  argument
2426 	struct sk_buff *skb = tcb->skb;  in nic_send_packet()
2518 	tcb->index_start = tx_ring->send_idx;  in nic_send_packet()
2519 	tcb->stale = 0;  in nic_send_packet()
2552 			tcb->index = NUM_DESC_PER_RING_TX - 1;  in nic_send_packet()
2554 			tcb->index = ET_DMA10_WRAP|(NUM_DESC_PER_RING_TX - 1);  in nic_send_packet()
2556 		tcb->index = tx_ring->send_idx - 1;  in nic_send_packet()
2562 		tx_ring->send_tail->next = tcb;  in nic_send_packet()
2564 		tx_ring->send_head = tcb;  in nic_send_packet()
2566 	tx_ring->send_tail = tcb;  in nic_send_packet()
2568 	WARN_ON(tcb->next != NULL);  in nic_send_packet()
2590 	struct tcb *tcb;  in send_packet()  local
2600 	tcb = tx_ring->tcb_qhead;  in send_packet()
2602 	if (tcb == NULL) {  in send_packet()
2607 	tx_ring->tcb_qhead = tcb->next;  in send_packet()
2614 	tcb->skb = skb;  in send_packet()
2615 	tcb->next = NULL;  in send_packet()
2617 	status = nic_send_packet(adapter, tcb);  in send_packet()
2623 			tx_ring->tcb_qtail->next = tcb;  in send_packet()
2626 			tx_ring->tcb_qhead = tcb;  in send_packet()
2628 		tx_ring->tcb_qtail = tcb;  in send_packet()
2638 				    struct tcb *tcb)  in free_send_packet()  argument
2646 	if (tcb->skb) {  in free_send_packet()
2647 		stats->tx_bytes += tcb->skb->len;  in free_send_packet()
2655 			       INDEX10(tcb->index_start);  in free_send_packet()
2664 			add_10bit(&tcb->index_start, 1);  in free_send_packet()
2665 			if (INDEX10(tcb->index_start) >=  in free_send_packet()
2667 				tcb->index_start &= ~ET_DMA10_MASK;  in free_send_packet()
2668 				tcb->index_start ^= ET_DMA10_WRAP;  in free_send_packet()
2670 		} while (desc != tx_ring->tx_desc_ring + INDEX10(tcb->index));  in free_send_packet()
2672 		dev_kfree_skb_any(tcb->skb);  in free_send_packet()
2675 	memset(tcb, 0, sizeof(struct tcb));  in free_send_packet()
2683 		tx_ring->tcb_qtail->next = tcb;  in free_send_packet()
2685 		tx_ring->tcb_qhead = tcb;  in free_send_packet()
2687 	tx_ring->tcb_qtail = tcb;  in free_send_packet()
2696 	struct tcb *tcb;  in et131x_free_busy_send_packets()  local
2704 	tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2706 	while (tcb != NULL && freed < NUM_TCB) {  in et131x_free_busy_send_packets()
2707 		struct tcb *next = tcb->next;  in et131x_free_busy_send_packets()
2719 		free_send_packet(adapter, tcb);  in et131x_free_busy_send_packets()
2723 		tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2742 	struct tcb *tcb;  in et131x_handle_send_pkts()  local
2754 	tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2756 	while (tcb &&  in et131x_handle_send_pkts()
2757 	       ((serviced ^ tcb->index) & ET_DMA10_WRAP) &&  in et131x_handle_send_pkts()
2758 	       index < INDEX10(tcb->index)) {  in et131x_handle_send_pkts()
2760 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2761 		if (tcb->next == NULL)  in et131x_handle_send_pkts()
2765 		free_send_packet(adapter, tcb);  in et131x_handle_send_pkts()
2769 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2771 	while (tcb &&  in et131x_handle_send_pkts()
2772 	       !((serviced ^ tcb->index) & ET_DMA10_WRAP) &&  in et131x_handle_send_pkts()
2773 	       index > (tcb->index & ET_DMA10_MASK)) {  in et131x_handle_send_pkts()
2775 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2776 		if (tcb->next == NULL)  in et131x_handle_send_pkts()
2780 		free_send_packet(adapter, tcb);  in et131x_handle_send_pkts()
2784 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
3428 		struct tcb *tcb = tx_ring->send_head;  in et131x_isr()  local
3430 		if (tcb)  in et131x_isr()
3431 			if (++tcb->stale > 1)  in et131x_isr()
3436 		else if (tcb == NULL)  in et131x_isr()
3853 	struct tcb *tcb;  in et131x_tx_timeout()  local
3874 	tcb = tx_ring->send_head;  in et131x_tx_timeout()
3877 	if (tcb) {  in et131x_tx_timeout()
3878 		tcb->count++;  in et131x_tx_timeout()
3880 		if (tcb->count > NIC_SEND_HANG_THRESHOLD) {  in et131x_tx_timeout()
3883 				 tcb->index);  in et131x_tx_timeout()