349 struct tcb {  struct
350 	struct tcb *next;	/* Next entry in ring */  argument
361 	struct tcb *tcb_ring;  argument
364 	struct tcb *tcb_qhead;
365 	struct tcb *tcb_qtail;
368 	struct tcb *send_head;
369 	struct tcb *send_tail;
1753 	struct tcb *tcb = tx_ring->tcb_ring;  in et131x_init_send()  local
1755 	tx_ring->tcb_qhead = tcb;  in et131x_init_send()
1757 	memset(tcb, 0, sizeof(struct tcb) * NUM_TCB);  in et131x_init_send()
1760 		tcb->next = tcb + 1;  in et131x_init_send()
1761 		tcb++;  in et131x_init_send()
1764 	tcb--;  in et131x_init_send()
1765 	tx_ring->tcb_qtail = tcb;  in et131x_init_send()
1766 	tcb->next = NULL;  in et131x_init_send()
2360 	tx_ring->tcb_ring = kcalloc(NUM_TCB, sizeof(struct tcb),  in et131x_tx_dma_memory_alloc()
2417 static int nic_send_packet(struct et131x_adapter *adapter, struct tcb *tcb)  in nic_send_packet()  argument
2423 	struct sk_buff *skb = tcb->skb;  in nic_send_packet()
2515 	tcb->index_start = tx_ring->send_idx;  in nic_send_packet()
2516 	tcb->stale = 0;  in nic_send_packet()
2549 			tcb->index = NUM_DESC_PER_RING_TX - 1;  in nic_send_packet()
2551 			tcb->index = ET_DMA10_WRAP|(NUM_DESC_PER_RING_TX - 1);  in nic_send_packet()
2553 		tcb->index = tx_ring->send_idx - 1;  in nic_send_packet()
2559 		tx_ring->send_tail->next = tcb;  in nic_send_packet()
2561 		tx_ring->send_head = tcb;  in nic_send_packet()
2563 	tx_ring->send_tail = tcb;  in nic_send_packet()
2565 	WARN_ON(tcb->next != NULL);  in nic_send_packet()
2587 	struct tcb *tcb;  in send_packet()  local
2597 	tcb = tx_ring->tcb_qhead;  in send_packet()
2599 	if (tcb == NULL) {  in send_packet()
2604 	tx_ring->tcb_qhead = tcb->next;  in send_packet()
2611 	tcb->skb = skb;  in send_packet()
2612 	tcb->next = NULL;  in send_packet()
2614 	status = nic_send_packet(adapter, tcb);  in send_packet()
2620 			tx_ring->tcb_qtail->next = tcb;  in send_packet()
2623 			tx_ring->tcb_qhead = tcb;  in send_packet()
2625 		tx_ring->tcb_qtail = tcb;  in send_packet()
2635 				    struct tcb *tcb)  in free_send_packet()  argument
2643 	if (tcb->skb) {  in free_send_packet()
2644 		stats->tx_bytes += tcb->skb->len;  in free_send_packet()
2652 			       INDEX10(tcb->index_start);  in free_send_packet()
2661 			add_10bit(&tcb->index_start, 1);  in free_send_packet()
2662 			if (INDEX10(tcb->index_start) >=  in free_send_packet()
2664 				tcb->index_start &= ~ET_DMA10_MASK;  in free_send_packet()
2665 				tcb->index_start ^= ET_DMA10_WRAP;  in free_send_packet()
2667 		} while (desc != tx_ring->tx_desc_ring + INDEX10(tcb->index));  in free_send_packet()
2669 		dev_kfree_skb_any(tcb->skb);  in free_send_packet()
2672 	memset(tcb, 0, sizeof(struct tcb));  in free_send_packet()
2680 		tx_ring->tcb_qtail->next = tcb;  in free_send_packet()
2682 		tx_ring->tcb_qhead = tcb;  in free_send_packet()
2684 	tx_ring->tcb_qtail = tcb;  in free_send_packet()
2693 	struct tcb *tcb;  in et131x_free_busy_send_packets()  local
2701 	tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2703 	while (tcb != NULL && freed < NUM_TCB) {  in et131x_free_busy_send_packets()
2704 		struct tcb *next = tcb->next;  in et131x_free_busy_send_packets()
2716 		free_send_packet(adapter, tcb);  in et131x_free_busy_send_packets()
2720 		tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2739 	struct tcb *tcb;  in et131x_handle_send_pkts()  local
2751 	tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2753 	while (tcb &&  in et131x_handle_send_pkts()
2754 	       ((serviced ^ tcb->index) & ET_DMA10_WRAP) &&  in et131x_handle_send_pkts()
2755 	       index < INDEX10(tcb->index)) {  in et131x_handle_send_pkts()
2757 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2758 		if (tcb->next == NULL)  in et131x_handle_send_pkts()
2762 		free_send_packet(adapter, tcb);  in et131x_handle_send_pkts()
2766 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2768 	while (tcb &&  in et131x_handle_send_pkts()
2769 	       !((serviced ^ tcb->index) & ET_DMA10_WRAP) &&  in et131x_handle_send_pkts()
2770 	       index > (tcb->index & ET_DMA10_MASK)) {  in et131x_handle_send_pkts()
2772 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2773 		if (tcb->next == NULL)  in et131x_handle_send_pkts()
2777 		free_send_packet(adapter, tcb);  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()  local
3394 		if (tcb)  in et131x_isr()
3395 			if (++tcb->stale > 1)  in et131x_isr()
3400 		else if (tcb == NULL)  in et131x_isr()
3801 	struct tcb *tcb;  in et131x_tx_timeout()  local
3822 	tcb = tx_ring->send_head;  in et131x_tx_timeout()
3825 	if (tcb) {  in et131x_tx_timeout()
3826 		tcb->count++;  in et131x_tx_timeout()
3828 		if (tcb->count > NIC_SEND_HANG_THRESHOLD) {  in et131x_tx_timeout()
3831 				 tcb->index);  in et131x_tx_timeout()