510 	struct pasemi_mac_txring *txring = tx_ring(mac);  in pasemi_mac_free_tx_resources()  local
517 	start = txring->next_to_clean;  in pasemi_mac_free_tx_resources()
518 	limit = txring->next_to_fill;  in pasemi_mac_free_tx_resources()
525 		info = &txring->ring_info[(i+1) & (TX_RING_SIZE-1)];  in pasemi_mac_free_tx_resources()
529 				dmas[j] = txring->ring_info[(i+1+j) &  in pasemi_mac_free_tx_resources()
538 	kfree(txring->ring_info);  in pasemi_mac_free_tx_resources()
539 	pasemi_dma_free_chan(&txring->chan);  in pasemi_mac_free_tx_resources()
814 static int pasemi_mac_clean_tx(struct pasemi_mac_txring *txring)  in pasemi_mac_clean_tx()  argument
816 	struct pasemi_dmachan *chan = &txring->chan;  in pasemi_mac_clean_tx()
817 	struct pasemi_mac *mac = txring->mac;  in pasemi_mac_clean_tx()
831 	spin_lock_irqsave(&txring->lock, flags);  in pasemi_mac_clean_tx()
833 	start = txring->next_to_clean;  in pasemi_mac_clean_tx()
834 	ring_limit = txring->next_to_fill;  in pasemi_mac_clean_tx()
836 	prefetch(&TX_DESC_INFO(txring, start+1).skb);  in pasemi_mac_clean_tx()
848 		u64 mactx = TX_DESC(txring, i);  in pasemi_mac_clean_tx()
857 			TX_DESC(txring, i) = 0;  in pasemi_mac_clean_tx()
858 			TX_DESC(txring, i+1) = 0;  in pasemi_mac_clean_tx()
863 		skb = TX_DESC_INFO(txring, i+1).skb;  in pasemi_mac_clean_tx()
864 		nr_frags = TX_DESC_INFO(txring, i).dma;  in pasemi_mac_clean_tx()
878 			dmas[descr_count][j] = TX_DESC_INFO(txring, i+1+j).dma;  in pasemi_mac_clean_tx()
883 		TX_DESC(txring, i) = 0;  in pasemi_mac_clean_tx()
884 		TX_DESC(txring, i+1) = 0;  in pasemi_mac_clean_tx()
888 	txring->next_to_clean = i & (TX_RING_SIZE-1);  in pasemi_mac_clean_tx()
890 	spin_unlock_irqrestore(&txring->lock, flags);  in pasemi_mac_clean_tx()
937 	struct pasemi_mac_txring *txring = from_timer(txring, t, clean_timer);  in pasemi_mac_tx_timer()  local
938 	struct pasemi_mac *mac = txring->mac;  in pasemi_mac_tx_timer()
940 	pasemi_mac_clean_tx(txring);  in pasemi_mac_tx_timer()
942 	mod_timer(&txring->clean_timer, jiffies + TX_CLEAN_INTERVAL);  in pasemi_mac_tx_timer()
949 	struct pasemi_mac_txring *txring = data;  in pasemi_mac_tx_intr()  local
950 	const struct pasemi_dmachan *chan = &txring->chan;  in pasemi_mac_tx_intr()
951 	struct pasemi_mac *mac = txring->mac;  in pasemi_mac_tx_intr()
964 	mod_timer(&txring->clean_timer, jiffies + (TX_CLEAN_INTERVAL)*2);  in pasemi_mac_tx_intr()
1343 				    struct pasemi_mac_txring *txring,  in pasemi_mac_queue_csdesc()  argument
1414 	fill = txring->next_to_fill;  in pasemi_mac_queue_csdesc()
1415 	TX_DESC(txring, fill++) = CTRL_CMD_T | CTRL_CMD_META_EVT | CTRL_CMD_O |  in pasemi_mac_queue_csdesc()
1417 	TX_DESC(txring, fill++) = 0;  in pasemi_mac_queue_csdesc()
1418 	TX_DESC(txring, fill++) = CTRL_CMD_T | CTRL_CMD_META_EVT | CTRL_CMD_O |  in pasemi_mac_queue_csdesc()
1420 	TX_DESC(txring, fill++) = 0;  in pasemi_mac_queue_csdesc()
1421 	txring->next_to_fill = fill;  in pasemi_mac_queue_csdesc()
1423 	write_dma_reg(PAS_DMA_TXCHAN_INCR(txring->chan.chno), 2);  in pasemi_mac_queue_csdesc()
1429 	struct pasemi_mac_txring * const txring = tx_ring(mac);  in pasemi_mac_start_tx()  local
1441 	prefetch(&txring->ring_info);  in pasemi_mac_start_tx()
1484 	spin_lock_irqsave(&txring->lock, flags);  in pasemi_mac_start_tx()
1490 	if (RING_AVAIL(txring) < nfrags + 14) {  in pasemi_mac_start_tx()
1501 		pasemi_mac_queue_csdesc(skb, map, map_size, txring, csring);  in pasemi_mac_start_tx()
1504 	fill = txring->next_to_fill;  in pasemi_mac_start_tx()
1505 	TX_DESC(txring, fill) = mactx;  in pasemi_mac_start_tx()
1506 	TX_DESC_INFO(txring, fill).dma = nfrags;  in pasemi_mac_start_tx()
1508 	TX_DESC_INFO(txring, fill).skb = skb;  in pasemi_mac_start_tx()
1510 		TX_DESC(txring, fill+i) =  in pasemi_mac_start_tx()
1512 		TX_DESC_INFO(txring, fill+i).dma = map[i];  in pasemi_mac_start_tx()
1522 	txring->next_to_fill = (fill + nfrags + 1) & (TX_RING_SIZE-1);  in pasemi_mac_start_tx()
1527 	spin_unlock_irqrestore(&txring->lock, flags);  in pasemi_mac_start_tx()
1529 	write_dma_reg(PAS_DMA_TXCHAN_INCR(txring->chan.chno), (nfrags+2) >> 1);  in pasemi_mac_start_tx()
1534 	spin_unlock_irqrestore(&txring->lock, flags);  in pasemi_mac_start_tx()