359 struct tx_ring {  struct
489 	struct tx_ring tx_ring;  member
1639 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_config_tx_dma_regs()  local
1642 	writel(upper_32_bits(tx_ring->tx_desc_ring_pa), &txdma->pr_base_hi);  in et131x_config_tx_dma_regs()
1643 	writel(lower_32_bits(tx_ring->tx_desc_ring_pa), &txdma->pr_base_lo);  in et131x_config_tx_dma_regs()
1649 	writel(upper_32_bits(tx_ring->tx_status_pa), &txdma->dma_wb_base_hi);  in et131x_config_tx_dma_regs()
1650 	writel(lower_32_bits(tx_ring->tx_status_pa), &txdma->dma_wb_base_lo);  in et131x_config_tx_dma_regs()
1652 	*tx_ring->tx_status = 0;  in et131x_config_tx_dma_regs()
1655 	tx_ring->send_idx = 0;  in et131x_config_tx_dma_regs()
1752 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_init_send()  local
1753 	struct tcb *tcb = tx_ring->tcb_ring;  in et131x_init_send()
1755 	tx_ring->tcb_qhead = tcb;  in et131x_init_send()
1765 	tx_ring->tcb_qtail = tcb;  in et131x_init_send()
1768 	tx_ring->send_head = NULL;  in et131x_init_send()
1769 	tx_ring->send_tail = NULL;  in et131x_init_send()
2357 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_dma_memory_alloc()  local
2360 	tx_ring->tcb_ring = kcalloc(NUM_TCB, sizeof(struct tcb),  in et131x_tx_dma_memory_alloc()
2362 	if (!tx_ring->tcb_ring)  in et131x_tx_dma_memory_alloc()
2366 	tx_ring->tx_desc_ring = dma_alloc_coherent(&adapter->pdev->dev,  in et131x_tx_dma_memory_alloc()
2368 						   &tx_ring->tx_desc_ring_pa,  in et131x_tx_dma_memory_alloc()
2370 	if (!tx_ring->tx_desc_ring) {  in et131x_tx_dma_memory_alloc()
2376 	tx_ring->tx_status = dma_alloc_coherent(&adapter->pdev->dev,  in et131x_tx_dma_memory_alloc()
2378 						    &tx_ring->tx_status_pa,  in et131x_tx_dma_memory_alloc()
2380 	if (!tx_ring->tx_status) {  in et131x_tx_dma_memory_alloc()
2391 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_dma_memory_free()  local
2393 	if (tx_ring->tx_desc_ring) {  in et131x_tx_dma_memory_free()
2398 				  tx_ring->tx_desc_ring,  in et131x_tx_dma_memory_free()
2399 				  tx_ring->tx_desc_ring_pa);  in et131x_tx_dma_memory_free()
2400 		tx_ring->tx_desc_ring = NULL;  in et131x_tx_dma_memory_free()
2404 	if (tx_ring->tx_status) {  in et131x_tx_dma_memory_free()
2407 				  tx_ring->tx_status,  in et131x_tx_dma_memory_free()
2408 				  tx_ring->tx_status_pa);  in et131x_tx_dma_memory_free()
2410 		tx_ring->tx_status = NULL;  in et131x_tx_dma_memory_free()
2413 	kfree(tx_ring->tcb_ring);  in et131x_tx_dma_memory_free()
2428 	struct tx_ring *tx_ring = &adapter->tx_ring;  in nic_send_packet()  local
2500 		if (++tx_ring->since_irq == PARM_TX_NUM_BUFS_DEF) {  in nic_send_packet()
2504 			tx_ring->since_irq = 0;  in nic_send_packet()
2515 	tcb->index_start = tx_ring->send_idx;  in nic_send_packet()
2518 	thiscopy = NUM_DESC_PER_RING_TX - INDEX10(tx_ring->send_idx);  in nic_send_packet()
2527 	memcpy(tx_ring->tx_desc_ring + INDEX10(tx_ring->send_idx),  in nic_send_packet()
2531 	add_10bit(&tx_ring->send_idx, thiscopy);  in nic_send_packet()
2533 	if (INDEX10(tx_ring->send_idx) == 0 ||  in nic_send_packet()
2534 	    INDEX10(tx_ring->send_idx) == NUM_DESC_PER_RING_TX) {  in nic_send_packet()
2535 		tx_ring->send_idx &= ~ET_DMA10_MASK;  in nic_send_packet()
2536 		tx_ring->send_idx ^= ET_DMA10_WRAP;  in nic_send_packet()
2540 		memcpy(tx_ring->tx_desc_ring,  in nic_send_packet()
2544 		add_10bit(&tx_ring->send_idx, remainder);  in nic_send_packet()
2547 	if (INDEX10(tx_ring->send_idx) == 0) {  in nic_send_packet()
2548 		if (tx_ring->send_idx)  in nic_send_packet()
2553 		tcb->index = tx_ring->send_idx - 1;  in nic_send_packet()
2558 	if (tx_ring->send_tail)  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()
2567 	tx_ring->used++;  in nic_send_packet()
2572 	writel(tx_ring->send_idx, &adapter->regs->txdma.service_request);  in nic_send_packet()
2589 	struct tx_ring *tx_ring = &adapter->tx_ring;  in send_packet()  local
2597 	tcb = tx_ring->tcb_qhead;  in send_packet()
2604 	tx_ring->tcb_qhead = tcb->next;  in send_packet()
2606 	if (tx_ring->tcb_qhead == NULL)  in send_packet()
2607 		tx_ring->tcb_qtail = NULL;  in send_packet()
2619 		if (tx_ring->tcb_qtail)  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()
2629 	WARN_ON(tx_ring->used > NUM_TCB);  in send_packet()
2640 	struct tx_ring *tx_ring = &adapter->tx_ring;  in free_send_packet()  local
2651 			desc = tx_ring->tx_desc_ring +  in free_send_packet()
2667 		} while (desc != tx_ring->tx_desc_ring + INDEX10(tcb->index));  in free_send_packet()
2679 	if (tx_ring->tcb_qtail)  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()
2687 	WARN_ON(tx_ring->used < 0);  in free_send_packet()
2696 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_free_busy_send_packets()  local
2701 	tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2706 		tx_ring->send_head = next;  in et131x_free_busy_send_packets()
2709 			tx_ring->send_tail = NULL;  in et131x_free_busy_send_packets()
2711 		tx_ring->used--;  in et131x_free_busy_send_packets()
2720 		tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2727 	tx_ring->used = 0;  in et131x_free_busy_send_packets()
2741 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_handle_send_pkts()  local
2751 	tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2756 		tx_ring->used--;  in et131x_handle_send_pkts()
2757 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2759 			tx_ring->send_tail = NULL;  in et131x_handle_send_pkts()
2766 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2771 		tx_ring->used--;  in et131x_handle_send_pkts()
2772 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2774 			tx_ring->send_tail = NULL;  in et131x_handle_send_pkts()
2781 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2785 	if (tx_ring->used <= NUM_TCB / 3)  in et131x_handle_send_pkts()
3365 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_isr()  local
3392 		struct tcb *tcb = tx_ring->send_head;  in et131x_isr()
3763 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx()  local
3766 	if (tx_ring->used >= NUM_TCB - 1 && !netif_queue_stopped(netdev))  in et131x_tx()
3773 	if (tx_ring->used >= NUM_TCB)  in et131x_tx()
3800 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_timeout()  local
3822 	tcb = tx_ring->send_head;  in et131x_tx_timeout()