359 struct tx_ring {  struct
489 	struct tx_ring tx_ring;  member
1643 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_config_tx_dma_regs()  local
1646 	writel(upper_32_bits(tx_ring->tx_desc_ring_pa), &txdma->pr_base_hi);  in et131x_config_tx_dma_regs()
1647 	writel(lower_32_bits(tx_ring->tx_desc_ring_pa), &txdma->pr_base_lo);  in et131x_config_tx_dma_regs()
1653 	writel(upper_32_bits(tx_ring->tx_status_pa), &txdma->dma_wb_base_hi);  in et131x_config_tx_dma_regs()
1654 	writel(lower_32_bits(tx_ring->tx_status_pa), &txdma->dma_wb_base_lo);  in et131x_config_tx_dma_regs()
1656 	*tx_ring->tx_status = 0;  in et131x_config_tx_dma_regs()
1659 	tx_ring->send_idx = 0;  in et131x_config_tx_dma_regs()
1756 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_init_send()  local
1757 	struct tcb *tcb = tx_ring->tcb_ring;  in et131x_init_send()
1759 	tx_ring->tcb_qhead = tcb;  in et131x_init_send()
1769 	tx_ring->tcb_qtail = tcb;  in et131x_init_send()
1772 	tx_ring->send_head = NULL;  in et131x_init_send()
1773 	tx_ring->send_tail = NULL;  in et131x_init_send()
2361 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_dma_memory_alloc()  local
2364 	tx_ring->tcb_ring = kcalloc(NUM_TCB, sizeof(struct tcb),  in et131x_tx_dma_memory_alloc()
2366 	if (!tx_ring->tcb_ring)  in et131x_tx_dma_memory_alloc()
2370 	tx_ring->tx_desc_ring = dma_alloc_coherent(&adapter->pdev->dev,  in et131x_tx_dma_memory_alloc()
2372 						   &tx_ring->tx_desc_ring_pa,  in et131x_tx_dma_memory_alloc()
2374 	if (!tx_ring->tx_desc_ring) {  in et131x_tx_dma_memory_alloc()
2380 	tx_ring->tx_status = dma_alloc_coherent(&adapter->pdev->dev,  in et131x_tx_dma_memory_alloc()
2382 						    &tx_ring->tx_status_pa,  in et131x_tx_dma_memory_alloc()
2384 	if (!tx_ring->tx_status) {  in et131x_tx_dma_memory_alloc()
2395 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_dma_memory_free()  local
2397 	if (tx_ring->tx_desc_ring) {  in et131x_tx_dma_memory_free()
2402 				  tx_ring->tx_desc_ring,  in et131x_tx_dma_memory_free()
2403 				  tx_ring->tx_desc_ring_pa);  in et131x_tx_dma_memory_free()
2404 		tx_ring->tx_desc_ring = NULL;  in et131x_tx_dma_memory_free()
2408 	if (tx_ring->tx_status) {  in et131x_tx_dma_memory_free()
2411 				  tx_ring->tx_status,  in et131x_tx_dma_memory_free()
2412 				  tx_ring->tx_status_pa);  in et131x_tx_dma_memory_free()
2414 		tx_ring->tx_status = NULL;  in et131x_tx_dma_memory_free()
2417 	kfree(tx_ring->tcb_ring);  in et131x_tx_dma_memory_free()
2432 	struct tx_ring *tx_ring = &adapter->tx_ring;  in nic_send_packet()  local
2504 		if (++tx_ring->since_irq == PARM_TX_NUM_BUFS_DEF) {  in nic_send_packet()
2508 			tx_ring->since_irq = 0;  in nic_send_packet()
2519 	tcb->index_start = tx_ring->send_idx;  in nic_send_packet()
2522 	thiscopy = NUM_DESC_PER_RING_TX - INDEX10(tx_ring->send_idx);  in nic_send_packet()
2531 	memcpy(tx_ring->tx_desc_ring + INDEX10(tx_ring->send_idx),  in nic_send_packet()
2535 	add_10bit(&tx_ring->send_idx, thiscopy);  in nic_send_packet()
2537 	if (INDEX10(tx_ring->send_idx) == 0 ||  in nic_send_packet()
2538 	    INDEX10(tx_ring->send_idx) == NUM_DESC_PER_RING_TX) {  in nic_send_packet()
2539 		tx_ring->send_idx &= ~ET_DMA10_MASK;  in nic_send_packet()
2540 		tx_ring->send_idx ^= ET_DMA10_WRAP;  in nic_send_packet()
2544 		memcpy(tx_ring->tx_desc_ring,  in nic_send_packet()
2548 		add_10bit(&tx_ring->send_idx, remainder);  in nic_send_packet()
2551 	if (INDEX10(tx_ring->send_idx) == 0) {  in nic_send_packet()
2552 		if (tx_ring->send_idx)  in nic_send_packet()
2557 		tcb->index = tx_ring->send_idx - 1;  in nic_send_packet()
2562 	if (tx_ring->send_tail)  in nic_send_packet()
2563 		tx_ring->send_tail->next = tcb;  in nic_send_packet()
2565 		tx_ring->send_head = tcb;  in nic_send_packet()
2567 	tx_ring->send_tail = tcb;  in nic_send_packet()
2571 	tx_ring->used++;  in nic_send_packet()
2576 	writel(tx_ring->send_idx, &adapter->regs->txdma.service_request);  in nic_send_packet()
2593 	struct tx_ring *tx_ring = &adapter->tx_ring;  in send_packet()  local
2601 	tcb = tx_ring->tcb_qhead;  in send_packet()
2608 	tx_ring->tcb_qhead = tcb->next;  in send_packet()
2610 	if (tx_ring->tcb_qhead == NULL)  in send_packet()
2611 		tx_ring->tcb_qtail = NULL;  in send_packet()
2623 		if (tx_ring->tcb_qtail)  in send_packet()
2624 			tx_ring->tcb_qtail->next = tcb;  in send_packet()
2627 			tx_ring->tcb_qhead = tcb;  in send_packet()
2629 		tx_ring->tcb_qtail = tcb;  in send_packet()
2633 	WARN_ON(tx_ring->used > NUM_TCB);  in send_packet()
2644 	struct tx_ring *tx_ring = &adapter->tx_ring;  in free_send_packet()  local
2655 			desc = tx_ring->tx_desc_ring +  in free_send_packet()
2671 		} while (desc != tx_ring->tx_desc_ring + INDEX10(tcb->index));  in free_send_packet()
2683 	if (tx_ring->tcb_qtail)  in free_send_packet()
2684 		tx_ring->tcb_qtail->next = tcb;  in free_send_packet()
2686 		tx_ring->tcb_qhead = tcb;  in free_send_packet()
2688 	tx_ring->tcb_qtail = tcb;  in free_send_packet()
2691 	WARN_ON(tx_ring->used < 0);  in free_send_packet()
2700 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_free_busy_send_packets()  local
2705 	tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2710 		tx_ring->send_head = next;  in et131x_free_busy_send_packets()
2713 			tx_ring->send_tail = NULL;  in et131x_free_busy_send_packets()
2715 		tx_ring->used--;  in et131x_free_busy_send_packets()
2724 		tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2731 	tx_ring->used = 0;  in et131x_free_busy_send_packets()
2745 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_handle_send_pkts()  local
2755 	tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2760 		tx_ring->used--;  in et131x_handle_send_pkts()
2761 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2763 			tx_ring->send_tail = NULL;  in et131x_handle_send_pkts()
2770 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2775 		tx_ring->used--;  in et131x_handle_send_pkts()
2776 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2778 			tx_ring->send_tail = NULL;  in et131x_handle_send_pkts()
2785 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2789 	if (tx_ring->used <= NUM_TCB / 3)  in et131x_handle_send_pkts()
3370 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_isr()  local
3397 		struct tcb *tcb = tx_ring->send_head;  in et131x_isr()
3780 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx()  local
3783 	if (tx_ring->used >= NUM_TCB - 1 && !netif_queue_stopped(netdev))  in et131x_tx()
3790 	if (tx_ring->used >= NUM_TCB)  in et131x_tx()
3817 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_timeout()  local
3839 	tcb = tx_ring->send_head;  in et131x_tx_timeout()