357 struct tx_ring {  struct
488 	struct tx_ring tx_ring;  member
1642 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_config_tx_dma_regs()  local
1645 	writel(upper_32_bits(tx_ring->tx_desc_ring_pa), &txdma->pr_base_hi);  in et131x_config_tx_dma_regs()
1646 	writel(lower_32_bits(tx_ring->tx_desc_ring_pa), &txdma->pr_base_lo);  in et131x_config_tx_dma_regs()
1652 	writel(upper_32_bits(tx_ring->tx_status_pa), &txdma->dma_wb_base_hi);  in et131x_config_tx_dma_regs()
1653 	writel(lower_32_bits(tx_ring->tx_status_pa), &txdma->dma_wb_base_lo);  in et131x_config_tx_dma_regs()
1655 	*tx_ring->tx_status = 0;  in et131x_config_tx_dma_regs()
1658 	tx_ring->send_idx = 0;  in et131x_config_tx_dma_regs()
1755 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_init_send()  local
1756 	struct tcb *tcb = tx_ring->tcb_ring;  in et131x_init_send()
1758 	tx_ring->tcb_qhead = tcb;  in et131x_init_send()
1768 	tx_ring->tcb_qtail = tcb;  in et131x_init_send()
1771 	tx_ring->send_head = NULL;  in et131x_init_send()
1772 	tx_ring->send_tail = NULL;  in et131x_init_send()
2360 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_dma_memory_alloc()  local
2363 	tx_ring->tcb_ring = kcalloc(NUM_TCB, sizeof(struct tcb),  in et131x_tx_dma_memory_alloc()
2365 	if (!tx_ring->tcb_ring)  in et131x_tx_dma_memory_alloc()
2369 	tx_ring->tx_desc_ring = dma_alloc_coherent(&adapter->pdev->dev,  in et131x_tx_dma_memory_alloc()
2371 						   &tx_ring->tx_desc_ring_pa,  in et131x_tx_dma_memory_alloc()
2373 	if (!tx_ring->tx_desc_ring) {  in et131x_tx_dma_memory_alloc()
2379 	tx_ring->tx_status = dma_alloc_coherent(&adapter->pdev->dev,  in et131x_tx_dma_memory_alloc()
2381 						    &tx_ring->tx_status_pa,  in et131x_tx_dma_memory_alloc()
2383 	if (!tx_ring->tx_status_pa) {  in et131x_tx_dma_memory_alloc()
2394 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_dma_memory_free()  local
2396 	if (tx_ring->tx_desc_ring) {  in et131x_tx_dma_memory_free()
2401 				  tx_ring->tx_desc_ring,  in et131x_tx_dma_memory_free()
2402 				  tx_ring->tx_desc_ring_pa);  in et131x_tx_dma_memory_free()
2403 		tx_ring->tx_desc_ring = NULL;  in et131x_tx_dma_memory_free()
2407 	if (tx_ring->tx_status) {  in et131x_tx_dma_memory_free()
2410 				  tx_ring->tx_status,  in et131x_tx_dma_memory_free()
2411 				  tx_ring->tx_status_pa);  in et131x_tx_dma_memory_free()
2413 		tx_ring->tx_status = NULL;  in et131x_tx_dma_memory_free()
2416 	kfree(tx_ring->tcb_ring);  in et131x_tx_dma_memory_free()
2431 	struct tx_ring *tx_ring = &adapter->tx_ring;  in nic_send_packet()  local
2503 		if (++tx_ring->since_irq == PARM_TX_NUM_BUFS_DEF) {  in nic_send_packet()
2507 			tx_ring->since_irq = 0;  in nic_send_packet()
2518 	tcb->index_start = tx_ring->send_idx;  in nic_send_packet()
2521 	thiscopy = NUM_DESC_PER_RING_TX - INDEX10(tx_ring->send_idx);  in nic_send_packet()
2530 	memcpy(tx_ring->tx_desc_ring + INDEX10(tx_ring->send_idx),  in nic_send_packet()
2534 	add_10bit(&tx_ring->send_idx, thiscopy);  in nic_send_packet()
2536 	if (INDEX10(tx_ring->send_idx) == 0 ||  in nic_send_packet()
2537 	    INDEX10(tx_ring->send_idx) == NUM_DESC_PER_RING_TX) {  in nic_send_packet()
2538 		tx_ring->send_idx &= ~ET_DMA10_MASK;  in nic_send_packet()
2539 		tx_ring->send_idx ^= ET_DMA10_WRAP;  in nic_send_packet()
2543 		memcpy(tx_ring->tx_desc_ring,  in nic_send_packet()
2547 		add_10bit(&tx_ring->send_idx, remainder);  in nic_send_packet()
2550 	if (INDEX10(tx_ring->send_idx) == 0) {  in nic_send_packet()
2551 		if (tx_ring->send_idx)  in nic_send_packet()
2556 		tcb->index = tx_ring->send_idx - 1;  in nic_send_packet()
2561 	if (tx_ring->send_tail)  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()
2570 	tx_ring->used++;  in nic_send_packet()
2575 	writel(tx_ring->send_idx, &adapter->regs->txdma.service_request);  in nic_send_packet()
2592 	struct tx_ring *tx_ring = &adapter->tx_ring;  in send_packet()  local
2600 	tcb = tx_ring->tcb_qhead;  in send_packet()
2607 	tx_ring->tcb_qhead = tcb->next;  in send_packet()
2609 	if (tx_ring->tcb_qhead == NULL)  in send_packet()
2610 		tx_ring->tcb_qtail = NULL;  in send_packet()
2622 		if (tx_ring->tcb_qtail)  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()
2632 	WARN_ON(tx_ring->used > NUM_TCB);  in send_packet()
2643 	struct tx_ring *tx_ring = &adapter->tx_ring;  in free_send_packet()  local
2654 			desc = tx_ring->tx_desc_ring +  in free_send_packet()
2670 		} while (desc != tx_ring->tx_desc_ring + INDEX10(tcb->index));  in free_send_packet()
2682 	if (tx_ring->tcb_qtail)  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()
2690 	WARN_ON(tx_ring->used < 0);  in free_send_packet()
2699 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_free_busy_send_packets()  local
2704 	tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2709 		tx_ring->send_head = next;  in et131x_free_busy_send_packets()
2712 			tx_ring->send_tail = NULL;  in et131x_free_busy_send_packets()
2714 		tx_ring->used--;  in et131x_free_busy_send_packets()
2723 		tcb = tx_ring->send_head;  in et131x_free_busy_send_packets()
2730 	tx_ring->used = 0;  in et131x_free_busy_send_packets()
2744 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_handle_send_pkts()  local
2754 	tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2759 		tx_ring->used--;  in et131x_handle_send_pkts()
2760 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2762 			tx_ring->send_tail = NULL;  in et131x_handle_send_pkts()
2769 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2774 		tx_ring->used--;  in et131x_handle_send_pkts()
2775 		tx_ring->send_head = tcb->next;  in et131x_handle_send_pkts()
2777 			tx_ring->send_tail = NULL;  in et131x_handle_send_pkts()
2784 		tcb = tx_ring->send_head;  in et131x_handle_send_pkts()
2788 	if (tx_ring->used <= NUM_TCB / 3)  in et131x_handle_send_pkts()
3401 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_isr()  local
3428 		struct tcb *tcb = tx_ring->send_head;  in et131x_isr()
3815 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx()  local
3818 	if (tx_ring->used >= NUM_TCB - 1 && !netif_queue_stopped(netdev))  in et131x_tx()
3825 	if (tx_ring->used >= NUM_TCB)  in et131x_tx()
3852 	struct tx_ring *tx_ring = &adapter->tx_ring;  in et131x_tx_timeout()  local
3874 	tcb = tx_ring->send_head;  in et131x_tx_timeout()