556 	struct pasemi_mac_txring *txring = tx_ring(mac);  in pasemi_mac_free_tx_resources()  local
563 	start = txring->next_to_clean;  in pasemi_mac_free_tx_resources()
564 	limit = txring->next_to_fill;  in pasemi_mac_free_tx_resources()
571 		info = &txring->ring_info[(i+1) & (TX_RING_SIZE-1)];  in pasemi_mac_free_tx_resources()
575 				dmas[j] = txring->ring_info[(i+1+j) &  in pasemi_mac_free_tx_resources()
584 	kfree(txring->ring_info);  in pasemi_mac_free_tx_resources()
585 	pasemi_dma_free_chan(&txring->chan);  in pasemi_mac_free_tx_resources()
863 static int pasemi_mac_clean_tx(struct pasemi_mac_txring *txring)  in pasemi_mac_clean_tx()  argument
865 	struct pasemi_dmachan *chan = &txring->chan;  in pasemi_mac_clean_tx()
866 	struct pasemi_mac *mac = txring->mac;  in pasemi_mac_clean_tx()
880 	spin_lock_irqsave(&txring->lock, flags);  in pasemi_mac_clean_tx()
882 	start = txring->next_to_clean;  in pasemi_mac_clean_tx()
883 	ring_limit = txring->next_to_fill;  in pasemi_mac_clean_tx()
885 	prefetch(&TX_DESC_INFO(txring, start+1).skb);  in pasemi_mac_clean_tx()
897 		u64 mactx = TX_DESC(txring, i);  in pasemi_mac_clean_tx()
906 			TX_DESC(txring, i) = 0;  in pasemi_mac_clean_tx()
907 			TX_DESC(txring, i+1) = 0;  in pasemi_mac_clean_tx()
912 		skb = TX_DESC_INFO(txring, i+1).skb;  in pasemi_mac_clean_tx()
913 		nr_frags = TX_DESC_INFO(txring, i).dma;  in pasemi_mac_clean_tx()
927 			dmas[descr_count][j] = TX_DESC_INFO(txring, i+1+j).dma;  in pasemi_mac_clean_tx()
932 		TX_DESC(txring, i) = 0;  in pasemi_mac_clean_tx()
933 		TX_DESC(txring, i+1) = 0;  in pasemi_mac_clean_tx()
937 	txring->next_to_clean = i & (TX_RING_SIZE-1);  in pasemi_mac_clean_tx()
939 	spin_unlock_irqrestore(&txring->lock, flags);  in pasemi_mac_clean_tx()
986 	struct pasemi_mac_txring *txring = (struct pasemi_mac_txring *)data;  in pasemi_mac_tx_timer()  local
987 	struct pasemi_mac *mac = txring->mac;  in pasemi_mac_tx_timer()
989 	pasemi_mac_clean_tx(txring);  in pasemi_mac_tx_timer()
991 	mod_timer(&txring->clean_timer, jiffies + TX_CLEAN_INTERVAL);  in pasemi_mac_tx_timer()
998 	struct pasemi_mac_txring *txring = data;  in pasemi_mac_tx_intr()  local
999 	const struct pasemi_dmachan *chan = &txring->chan;  in pasemi_mac_tx_intr()
1000 	struct pasemi_mac *mac = txring->mac;  in pasemi_mac_tx_intr()
1013 	mod_timer(&txring->clean_timer, jiffies + (TX_CLEAN_INTERVAL)*2);  in pasemi_mac_tx_intr()
1391 				    struct pasemi_mac_txring *txring,  in pasemi_mac_queue_csdesc()  argument
1463 	fill = txring->next_to_fill;  in pasemi_mac_queue_csdesc()
1464 	TX_DESC(txring, fill++) = CTRL_CMD_T | CTRL_CMD_META_EVT | CTRL_CMD_O |  in pasemi_mac_queue_csdesc()
1466 	TX_DESC(txring, fill++) = 0;  in pasemi_mac_queue_csdesc()
1467 	TX_DESC(txring, fill++) = CTRL_CMD_T | CTRL_CMD_META_EVT | CTRL_CMD_O |  in pasemi_mac_queue_csdesc()
1469 	TX_DESC(txring, fill++) = 0;  in pasemi_mac_queue_csdesc()
1470 	txring->next_to_fill = fill;  in pasemi_mac_queue_csdesc()
1472 	write_dma_reg(PAS_DMA_TXCHAN_INCR(txring->chan.chno), 2);  in pasemi_mac_queue_csdesc()
1478 	struct pasemi_mac_txring * const txring = tx_ring(mac);  in pasemi_mac_start_tx()  local
1490 	prefetch(&txring->ring_info);  in pasemi_mac_start_tx()
1533 	spin_lock_irqsave(&txring->lock, flags);  in pasemi_mac_start_tx()
1539 	if (RING_AVAIL(txring) < nfrags + 14) {  in pasemi_mac_start_tx()
1550 		pasemi_mac_queue_csdesc(skb, map, map_size, txring, csring);  in pasemi_mac_start_tx()
1553 	fill = txring->next_to_fill;  in pasemi_mac_start_tx()
1554 	TX_DESC(txring, fill) = mactx;  in pasemi_mac_start_tx()
1555 	TX_DESC_INFO(txring, fill).dma = nfrags;  in pasemi_mac_start_tx()
1557 	TX_DESC_INFO(txring, fill).skb = skb;  in pasemi_mac_start_tx()
1559 		TX_DESC(txring, fill+i) =  in pasemi_mac_start_tx()
1561 		TX_DESC_INFO(txring, fill+i).dma = map[i];  in pasemi_mac_start_tx()
1571 	txring->next_to_fill = (fill + nfrags + 1) & (TX_RING_SIZE-1);  in pasemi_mac_start_tx()
1576 	spin_unlock_irqrestore(&txring->lock, flags);  in pasemi_mac_start_tx()
1578 	write_dma_reg(PAS_DMA_TXCHAN_INCR(txring->chan.chno), (nfrags+2) >> 1);  in pasemi_mac_start_tx()
1583 	spin_unlock_irqrestore(&txring->lock, flags);  in pasemi_mac_start_tx()