357 struct tx_ring {  struct
487 	struct tx_ring tx_ring;  member
1641 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_config_tx_dma_regs()  local
1644 	writel(upper_32_bits(tx_ring->tx_desc_ring_pa), &txdma->pr_base_hi);  in et131x_config_tx_dma_regs()
1645 	writel(lower_32_bits(tx_ring->tx_desc_ring_pa), &txdma->pr_base_lo);  in et131x_config_tx_dma_regs()
1651 	writel(upper_32_bits(tx_ring->tx_status_pa), &txdma->dma_wb_base_hi);  in et131x_config_tx_dma_regs()
1652 	writel(lower_32_bits(tx_ring->tx_status_pa), &txdma->dma_wb_base_lo);  in et131x_config_tx_dma_regs()
1654 	*tx_ring->tx_status = 0;  in et131x_config_tx_dma_regs()
1657 	tx_ring->send_idx = 0;  in et131x_config_tx_dma_regs()
1754 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_init_send()  local
1755 	struct tcb *tcb = tx_ring->tcb_ring;  in et131x_init_send()
1757 	tx_ring->tcb_qhead = tcb;  in et131x_init_send()
1767 	tx_ring->tcb_qtail = tcb;  in et131x_init_send()
1770 	tx_ring->send_head = NULL;  in et131x_init_send()
1771 	tx_ring->send_tail = NULL;  in et131x_init_send()
2359 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_dma_memory_alloc()  local
2362 	tx_ring->tcb_ring = kcalloc(NUM_TCB, sizeof(struct tcb),  in et131x_tx_dma_memory_alloc()
2364 	if (!tx_ring->tcb_ring)  in et131x_tx_dma_memory_alloc()
2368 	tx_ring->tx_desc_ring = dma_alloc_coherent(&adapter->pdev->dev,  in et131x_tx_dma_memory_alloc()
2370 						   &tx_ring->tx_desc_ring_pa,  in et131x_tx_dma_memory_alloc()
2372 	if (!tx_ring->tx_desc_ring) {  in et131x_tx_dma_memory_alloc()
2378 	tx_ring->tx_status = dma_alloc_coherent(&adapter->pdev->dev,  in et131x_tx_dma_memory_alloc()
2380 						    &tx_ring->tx_status_pa,  in et131x_tx_dma_memory_alloc()
2382 	if (!tx_ring->tx_status) {  in et131x_tx_dma_memory_alloc()
2393 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_dma_memory_free()  local
2395 	if (tx_ring->tx_desc_ring) {  in et131x_tx_dma_memory_free()
2400 				  tx_ring->tx_desc_ring,  in et131x_tx_dma_memory_free()
2401 				  tx_ring->tx_desc_ring_pa);  in et131x_tx_dma_memory_free()
2402 		tx_ring->tx_desc_ring = NULL;  in et131x_tx_dma_memory_free()
2406 	if (tx_ring->tx_status) {  in et131x_tx_dma_memory_free()
2409 				  tx_ring->tx_status,  in et131x_tx_dma_memory_free()
2410 				  tx_ring->tx_status_pa);  in et131x_tx_dma_memory_free()
2412 		tx_ring->tx_status = NULL;  in et131x_tx_dma_memory_free()
2415 	kfree(tx_ring->tcb_ring);  in et131x_tx_dma_memory_free()
2430 	struct tx_ring *tx_ring = &adapter->tx_ring;  in nic_send_packet()  local
2502 		if (++tx_ring->since_irq == PARM_TX_NUM_BUFS_DEF) {  in nic_send_packet()
2506 			tx_ring->since_irq = 0;  in nic_send_packet()
2517 	tcb->index_start = tx_ring->send_idx;  in nic_send_packet()
2520 	thiscopy = NUM_DESC_PER_RING_TX - INDEX10(tx_ring->send_idx);  in nic_send_packet()
2529 	memcpy(tx_ring->tx_desc_ring + INDEX10(tx_ring->send_idx),  in nic_send_packet()
2533 	add_10bit(&tx_ring->send_idx, thiscopy);  in nic_send_packet()
2535 	if (INDEX10(tx_ring->send_idx) == 0 ||  in nic_send_packet()
2536 	    INDEX10(tx_ring->send_idx) == NUM_DESC_PER_RING_TX) {  in nic_send_packet()
2537 		tx_ring->send_idx &= ~ET_DMA10_MASK;  in nic_send_packet()
2538 		tx_ring->send_idx ^= ET_DMA10_WRAP;  in nic_send_packet()
2542 		memcpy(tx_ring->tx_desc_ring,  in nic_send_packet()
2546 		add_10bit(&tx_ring->send_idx, remainder);  in nic_send_packet()
2549 	if (INDEX10(tx_ring->send_idx) == 0) {  in nic_send_packet()
2550 		if (tx_ring->send_idx)  in nic_send_packet()
2555 		tcb->index = tx_ring->send_idx - 1;  in nic_send_packet()
2560 	if (tx_ring->send_tail)  in nic_send_packet()
2561 		tx_ring->send_tail->next = tcb;  in nic_send_packet()
2563 		tx_ring->send_head = tcb;  in nic_send_packet()
2565 	tx_ring->send_tail = tcb;  in nic_send_packet()
2569 	tx_ring->used++;  in nic_send_packet()
2574 	writel(tx_ring->send_idx, &adapter->regs->txdma.service_request);  in nic_send_packet()
2591 	struct tx_ring *tx_ring = &adapter->tx_ring;  in send_packet()  local
2599 	tcb = tx_ring->tcb_qhead;  in send_packet()
2606 	tx_ring->tcb_qhead = tcb->next;  in send_packet()
2608 	if (tx_ring->tcb_qhead == NULL)  in send_packet()
2609 		tx_ring->tcb_qtail = NULL;  in send_packet()
2621 		if (tx_ring->tcb_qtail)  in send_packet()
2622 			tx_ring->tcb_qtail->next = tcb;  in send_packet()
2625 			tx_ring->tcb_qhead = tcb;  in send_packet()
2627 		tx_ring->tcb_qtail = tcb;  in send_packet()
2631 	WARN_ON(tx_ring->used > NUM_TCB);  in send_packet()
2642 	struct tx_ring *tx_ring = &adapter->tx_ring;  in free_send_packet()  local
2653 			desc = tx_ring->tx_desc_ring +  in free_send_packet()
2669 		} while (desc != tx_ring->tx_desc_ring + INDEX10(tcb->index));  in free_send_packet()
2681 	if (tx_ring->tcb_qtail)  in free_send_packet()
2682 		tx_ring->tcb_qtail->next = tcb;  in free_send_packet()
2684 		tx_ring->tcb_qhead = tcb;  in free_send_packet()
2686 	tx_ring->tcb_qtail = tcb;  in free_send_packet()
2689 	WARN_ON(tx_ring->used < 0);  in free_send_packet()
2698 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_free_busy_send_packets()  local
2703 	tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2708 		tx_ring->send_head = next;  in et131x_free_busy_send_packets()
2711 			tx_ring->send_tail = NULL;  in et131x_free_busy_send_packets()
2713 		tx_ring->used--;  in et131x_free_busy_send_packets()
2722 		tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2729 	tx_ring->used = 0;  in et131x_free_busy_send_packets()
2743 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_handle_send_pkts()  local
2753 	tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2758 		tx_ring->used--;  in et131x_handle_send_pkts()
2759 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2761 			tx_ring->send_tail = NULL;  in et131x_handle_send_pkts()
2768 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2773 		tx_ring->used--;  in et131x_handle_send_pkts()
2774 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2776 			tx_ring->send_tail = NULL;  in et131x_handle_send_pkts()
2783 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2787 	if (tx_ring->used <= NUM_TCB / 3)  in et131x_handle_send_pkts()
3376 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_isr()  local
3403 		struct tcb *tcb = tx_ring->send_head;  in et131x_isr()
3788 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx()  local
3791 	if (tx_ring->used >= NUM_TCB - 1 && !netif_queue_stopped(netdev))  in et131x_tx()
3798 	if (tx_ring->used >= NUM_TCB)  in et131x_tx()
3825 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_timeout()  local
3847 	tcb = tx_ring->send_head;  in et131x_tx_timeout()