94 	struct ltq_dma_channel dma;  member
116 	ch->skb[ch->dma.desc] = netdev_alloc_skb(ch->netdev, MAX_DMA_DATA_LEN);  in ltq_etop_alloc_skb()
117 	if (!ch->skb[ch->dma.desc])  in ltq_etop_alloc_skb()
119 	ch->dma.desc_base[ch->dma.desc].addr = dma_map_single(NULL,  in ltq_etop_alloc_skb()
120 		ch->skb[ch->dma.desc]->data, MAX_DMA_DATA_LEN,  in ltq_etop_alloc_skb()
122 	ch->dma.desc_base[ch->dma.desc].addr =  in ltq_etop_alloc_skb()
123 		CPHYSADDR(ch->skb[ch->dma.desc]->data);  in ltq_etop_alloc_skb()
124 	ch->dma.desc_base[ch->dma.desc].ctl =  in ltq_etop_alloc_skb()
127 	skb_reserve(ch->skb[ch->dma.desc], NET_IP_ALIGN);  in ltq_etop_alloc_skb()
135 	struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in ltq_etop_hw_receive()
136 	struct sk_buff *skb = ch->skb[ch->dma.desc];  in ltq_etop_hw_receive()
144 		ltq_dma_close(&ch->dma);  in ltq_etop_hw_receive()
146 	ch->dma.desc++;  in ltq_etop_hw_receive()
147 	ch->dma.desc %= LTQ_DESC_NUM;  in ltq_etop_hw_receive()
164 		struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in ltq_etop_poll_rx()
175 		ltq_dma_ack_irq(&ch->dma);  in ltq_etop_poll_rx()
191 	while ((ch->dma.desc_base[ch->tx_free].ctl &  in ltq_etop_poll_tx()
195 		memset(&ch->dma.desc_base[ch->tx_free], 0,  in ltq_etop_poll_tx()
205 	ltq_dma_ack_irq(&ch->dma);  in ltq_etop_poll_tx()
224 	ltq_dma_free(&ch->dma);  in ltq_etop_free_channel()
225 	if (ch->dma.irq)  in ltq_etop_free_channel()
226 		free_irq(ch->dma.irq, priv);  in ltq_etop_free_channel()
230 			dev_kfree_skb_any(ch->skb[ch->dma.desc]);  in ltq_etop_free_channel()
280 		ch->idx = ch->dma.nr = i;  in ltq_etop_hw_init()
283 			ltq_dma_alloc_tx(&ch->dma);  in ltq_etop_hw_init()
286 			ltq_dma_alloc_rx(&ch->dma);  in ltq_etop_hw_init()
287 			for (ch->dma.desc = 0; ch->dma.desc < LTQ_DESC_NUM;  in ltq_etop_hw_init()
288 					ch->dma.desc++)  in ltq_etop_hw_init()
291 			ch->dma.desc = 0;  in ltq_etop_hw_init()
294 		ch->dma.irq = irq;  in ltq_etop_hw_init()
490 		ltq_dma_open(&ch->dma);  in ltq_etop_open()
512 		ltq_dma_close(&ch->dma);  in ltq_etop_stop()
524 	struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in ltq_etop_tx()
531 	if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) {  in ltq_etop_tx()
540 	ch->skb[ch->dma.desc] = skb;  in ltq_etop_tx()
550 	ch->dma.desc++;  in ltq_etop_tx()
551 	ch->dma.desc %= LTQ_DESC_NUM;  in ltq_etop_tx()
554 	if (ch->dma.desc_base[ch->dma.desc].ctl & LTQ_DMA_OWN)  in ltq_etop_tx()