59 	struct ltq_dma_channel dma;  member
103 		struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in xrx200_flush_dma()
110 		ch->dma.desc++;  in xrx200_flush_dma()
111 		ch->dma.desc %= LTQ_DESC_NUM;  in xrx200_flush_dma()
120 	ltq_dma_open(&priv->chan_tx.dma);  in xrx200_open()
121 	ltq_dma_enable_irq(&priv->chan_tx.dma);  in xrx200_open()
124 	ltq_dma_open(&priv->chan_rx.dma);  in xrx200_open()
133 	ltq_dma_enable_irq(&priv->chan_rx.dma);  in xrx200_open()
147 	ltq_dma_close(&priv->chan_rx.dma);  in xrx200_close()
150 	ltq_dma_close(&priv->chan_tx.dma);  in xrx200_close()
157 	struct sk_buff *skb = ch->skb[ch->dma.desc];  in xrx200_alloc_skb()
161 	ch->skb[ch->dma.desc] = netdev_alloc_skb_ip_align(ch->priv->net_dev,  in xrx200_alloc_skb()
163 	if (!ch->skb[ch->dma.desc]) {  in xrx200_alloc_skb()
168 	mapping = dma_map_single(ch->priv->dev, ch->skb[ch->dma.desc]->data,  in xrx200_alloc_skb()
171 		dev_kfree_skb_any(ch->skb[ch->dma.desc]);  in xrx200_alloc_skb()
172 		ch->skb[ch->dma.desc] = skb;  in xrx200_alloc_skb()
177 	ch->dma.desc_base[ch->dma.desc].addr = mapping;  in xrx200_alloc_skb()
181 	ch->dma.desc_base[ch->dma.desc].ctl =  in xrx200_alloc_skb()
191 	struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in xrx200_hw_receive()
192 	struct sk_buff *skb = ch->skb[ch->dma.desc];  in xrx200_hw_receive()
199 	ch->dma.desc++;  in xrx200_hw_receive()
200 	ch->dma.desc %= LTQ_DESC_NUM;  in xrx200_hw_receive()
225 		struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in xrx200_poll_rx()
239 			ltq_dma_enable_irq(&ch->dma);  in xrx200_poll_rx()
255 		struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->tx_free];  in xrx200_tx_housekeeping()
264 			memset(&ch->dma.desc_base[ch->tx_free], 0,  in xrx200_tx_housekeeping()
283 			ltq_dma_enable_irq(&ch->dma);  in xrx200_tx_housekeeping()
294 	struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in xrx200_start_xmit()
307 	if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) {  in xrx200_start_xmit()
313 	ch->skb[ch->dma.desc] = skb;  in xrx200_start_xmit()
327 	ch->dma.desc++;  in xrx200_start_xmit()
328 	ch->dma.desc %= LTQ_DESC_NUM;  in xrx200_start_xmit()
329 	if (ch->dma.desc == ch->tx_free)  in xrx200_start_xmit()
356 		ltq_dma_disable_irq(&ch->dma);  in xrx200_dma_irq()
360 	ltq_dma_ack_irq(&ch->dma);  in xrx200_dma_irq()
374 	ch_rx->dma.nr = XRX200_DMA_RX;  in xrx200_dma_init()
375 	ch_rx->dma.dev = priv->dev;  in xrx200_dma_init()
378 	ltq_dma_alloc_rx(&ch_rx->dma);  in xrx200_dma_init()
379 	for (ch_rx->dma.desc = 0; ch_rx->dma.desc < LTQ_DESC_NUM;  in xrx200_dma_init()
380 	     ch_rx->dma.desc++) {  in xrx200_dma_init()
385 	ch_rx->dma.desc = 0;  in xrx200_dma_init()
386 	ret = devm_request_irq(priv->dev, ch_rx->dma.irq, xrx200_dma_irq, 0,  in xrx200_dma_init()
390 			ch_rx->dma.irq);  in xrx200_dma_init()
394 	ch_tx->dma.nr = XRX200_DMA_TX;  in xrx200_dma_init()
395 	ch_tx->dma.dev = priv->dev;  in xrx200_dma_init()
398 	ltq_dma_alloc_tx(&ch_tx->dma);  in xrx200_dma_init()
399 	ret = devm_request_irq(priv->dev, ch_tx->dma.irq, xrx200_dma_irq, 0,  in xrx200_dma_init()
403 			ch_tx->dma.irq);  in xrx200_dma_init()
410 	ltq_dma_free(&ch_tx->dma);  in xrx200_dma_init()
420 	ltq_dma_free(&ch_rx->dma);  in xrx200_dma_init()
428 	ltq_dma_free(&priv->chan_tx.dma);  in xrx200_hw_cleanup()
429 	ltq_dma_free(&priv->chan_rx.dma);  in xrx200_hw_cleanup()
463 	priv->chan_rx.dma.irq = platform_get_irq_byname(pdev, "rx");  in xrx200_probe()
464 	if (priv->chan_rx.dma.irq < 0)  in xrx200_probe()
466 	priv->chan_tx.dma.irq = platform_get_irq_byname(pdev, "tx");  in xrx200_probe()
467 	if (priv->chan_tx.dma.irq < 0)  in xrx200_probe()