diff options
Diffstat (limited to 'target/linux/ramips/files/drivers/net')
| -rw-r--r-- | target/linux/ramips/files/drivers/net/ramips.c | 146 | 
1 files changed, 73 insertions, 73 deletions
diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c index 6fa115135..781a68b05 100644 --- a/target/linux/ramips/files/drivers/net/ramips.c +++ b/target/linux/ramips/files/drivers/net/ramips.c @@ -560,49 +560,49 @@ ramips_setup_dma(struct raeth_priv *re)  static int  ramips_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)  { -	struct raeth_priv *priv = netdev_priv(dev); +	struct raeth_priv *re = netdev_priv(dev);  	unsigned long tx;  	unsigned int tx_next;  	dma_addr_t mapped_addr; -	if (priv->plat->min_pkt_len) { -		if (skb->len < priv->plat->min_pkt_len) { -			if (skb_padto(skb, priv->plat->min_pkt_len)) { +	if (re->plat->min_pkt_len) { +		if (skb->len < re->plat->min_pkt_len) { +			if (skb_padto(skb, re->plat->min_pkt_len)) {  				printk(KERN_ERR  				       "ramips_eth: skb_padto failed\n");  				kfree_skb(skb);  				return 0;  			} -			skb_put(skb, priv->plat->min_pkt_len - skb->len); +			skb_put(skb, re->plat->min_pkt_len - skb->len);  		}  	}  	dev->trans_start = jiffies; -	mapped_addr = dma_map_single(&priv->netdev->dev, skb->data, skb->len, +	mapped_addr = dma_map_single(&re->netdev->dev, skb->data, skb->len,  				     DMA_TO_DEVICE); -	spin_lock(&priv->page_lock); +	spin_lock(&re->page_lock);  	tx = ramips_fe_rr(RAMIPS_TX_CTX_IDX0);  	tx_next = (tx + 1) % NUM_TX_DESC; -	if ((priv->tx_skb[tx]) || (priv->tx_skb[tx_next]) || -	    !(priv->tx[tx].txd2 & TX_DMA_DONE) || -	    !(priv->tx[tx_next].txd2 & TX_DMA_DONE)) +	if ((re->tx_skb[tx]) || (re->tx_skb[tx_next]) || +	    !(re->tx[tx].txd2 & TX_DMA_DONE) || +	    !(re->tx[tx_next].txd2 & TX_DMA_DONE))  		goto out; -	priv->tx[tx].txd1 = (unsigned int) mapped_addr; -	priv->tx[tx].txd2 &= ~(TX_DMA_PLEN0_MASK | TX_DMA_DONE); -	priv->tx[tx].txd2 |= TX_DMA_PLEN0(skb->len); +	re->tx[tx].txd1 = (unsigned int) mapped_addr; +	re->tx[tx].txd2 &= ~(TX_DMA_PLEN0_MASK | TX_DMA_DONE); +	re->tx[tx].txd2 |= TX_DMA_PLEN0(skb->len);  	dev->stats.tx_packets++;  	dev->stats.tx_bytes += skb->len; -	priv->tx_skb[tx] = skb; +	re->tx_skb[tx] = skb;  	wmb();  	ramips_fe_wr(tx_next, RAMIPS_TX_CTX_IDX0); -	spin_unlock(&priv->page_lock); +	spin_unlock(&re->page_lock);  	return NETDEV_TX_OK;   out: -	spin_unlock(&priv->page_lock); +	spin_unlock(&re->page_lock);  	dev->stats.tx_dropped++;  	kfree_skb(skb);  	return NETDEV_TX_OK; @@ -612,7 +612,7 @@ static void  ramips_eth_rx_hw(unsigned long ptr)  {  	struct net_device *dev = (struct net_device *) ptr; -	struct raeth_priv *priv = netdev_priv(dev); +	struct raeth_priv *re = netdev_priv(dev);  	int rx;  	int max_rx = 16; @@ -621,19 +621,19 @@ ramips_eth_rx_hw(unsigned long ptr)  		int pktlen;  		rx = (ramips_fe_rr(RAMIPS_RX_CALC_IDX0) + 1) % NUM_RX_DESC; -		if (!(priv->rx[rx].rxd2 & RX_DMA_DONE)) +		if (!(re->rx[rx].rxd2 & RX_DMA_DONE))  			break;  		max_rx--; -		rx_skb = priv->rx_skb[rx]; -		pktlen = RX_DMA_PLEN0(priv->rx[rx].rxd2); +		rx_skb = re->rx_skb[rx]; +		pktlen = RX_DMA_PLEN0(re->rx[rx].rxd2);  		new_skb = netdev_alloc_skb(dev, MAX_RX_LENGTH + NET_IP_ALIGN);  		/* Reuse the buffer on allocation failures */  		if (new_skb) {  			dma_addr_t dma_addr; -			dma_unmap_single(&priv->netdev->dev, priv->rx_dma[rx], +			dma_unmap_single(&re->netdev->dev, re->rx_dma[rx],  					 MAX_RX_LENGTH, DMA_FROM_DEVICE);  			skb_put(rx_skb, pktlen); @@ -644,26 +644,26 @@ ramips_eth_rx_hw(unsigned long ptr)  			dev->stats.rx_bytes += pktlen;  			netif_rx(rx_skb); -			priv->rx_skb[rx] = new_skb; +			re->rx_skb[rx] = new_skb;  			skb_reserve(new_skb, NET_IP_ALIGN); -			dma_addr = dma_map_single(&priv->netdev->dev, +			dma_addr = dma_map_single(&re->netdev->dev,  						  new_skb->data,  						  MAX_RX_LENGTH,  						  DMA_FROM_DEVICE); -			priv->rx_dma[rx] = dma_addr; -			priv->rx[rx].rxd1 = (unsigned int) dma_addr; +			re->rx_dma[rx] = dma_addr; +			re->rx[rx].rxd1 = (unsigned int) dma_addr;  		} else {  			dev->stats.rx_dropped++;  		} -		priv->rx[rx].rxd2 &= ~RX_DMA_DONE; +		re->rx[rx].rxd2 &= ~RX_DMA_DONE;  		wmb();  		ramips_fe_wr(rx, RAMIPS_RX_CALC_IDX0);  	}  	if (max_rx == 0) -		tasklet_schedule(&priv->rx_tasklet); +		tasklet_schedule(&re->rx_tasklet);  	else  		ramips_fe_int_enable(RAMIPS_RX_DLY_INT);  } @@ -672,18 +672,18 @@ static void  ramips_eth_tx_housekeeping(unsigned long ptr)  {  	struct net_device *dev = (struct net_device*)ptr; -	struct raeth_priv *priv = netdev_priv(dev); - -	spin_lock(&priv->page_lock); -	while ((priv->tx[priv->skb_free_idx].txd2 & TX_DMA_DONE) && -	       (priv->tx_skb[priv->skb_free_idx])) { -		dev_kfree_skb_irq(priv->tx_skb[priv->skb_free_idx]); -		priv->tx_skb[priv->skb_free_idx] = 0; -		priv->skb_free_idx++; -		if (priv->skb_free_idx >= NUM_TX_DESC) -			priv->skb_free_idx = 0; +	struct raeth_priv *re = netdev_priv(dev); + +	spin_lock(&re->page_lock); +	while ((re->tx[re->skb_free_idx].txd2 & TX_DMA_DONE) && +	       (re->tx_skb[re->skb_free_idx])) { +		dev_kfree_skb_irq(re->tx_skb[re->skb_free_idx]); +		re->tx_skb[re->skb_free_idx] = 0; +		re->skb_free_idx++; +		if (re->skb_free_idx >= NUM_TX_DESC) +			re->skb_free_idx = 0;  	} -	spin_unlock(&priv->page_lock); +	spin_unlock(&re->page_lock);  	ramips_fe_int_enable(RAMIPS_TX_DLY_INT);  } @@ -691,27 +691,27 @@ ramips_eth_tx_housekeeping(unsigned long ptr)  static void  ramips_eth_timeout(struct net_device *dev)  { -	struct raeth_priv *priv = netdev_priv(dev); +	struct raeth_priv *re = netdev_priv(dev); -	tasklet_schedule(&priv->tx_housekeeping_tasklet); +	tasklet_schedule(&re->tx_housekeeping_tasklet);  }  static irqreturn_t  ramips_eth_irq(int irq, void *dev)  { -	struct raeth_priv *priv = netdev_priv(dev); +	struct raeth_priv *re = netdev_priv(dev);  	unsigned long fe_int = ramips_fe_rr(RAMIPS_FE_INT_STATUS);  	ramips_fe_wr(0xFFFFFFFF, RAMIPS_FE_INT_STATUS);  	if (fe_int & RAMIPS_RX_DLY_INT) {  		ramips_fe_int_disable(RAMIPS_RX_DLY_INT); -		tasklet_schedule(&priv->rx_tasklet); +		tasklet_schedule(&re->rx_tasklet);  	}  	if (fe_int & RAMIPS_TX_DLY_INT) {  		ramips_fe_int_disable(RAMIPS_TX_DLY_INT); -		tasklet_schedule(&priv->tx_housekeeping_tasklet); +		tasklet_schedule(&re->tx_housekeeping_tasklet);  	}  	return IRQ_HANDLED; @@ -720,7 +720,7 @@ ramips_eth_irq(int irq, void *dev)  static int  ramips_eth_open(struct net_device *dev)  { -	struct raeth_priv *priv = netdev_priv(dev); +	struct raeth_priv *re = netdev_priv(dev);  	int err;  	err = request_irq(dev->irq, ramips_eth_irq, IRQF_DISABLED, @@ -728,27 +728,27 @@ ramips_eth_open(struct net_device *dev)  	if (err)  		return err; -	err = ramips_alloc_dma(priv); +	err = ramips_alloc_dma(re);  	if (err)  		goto err_free_irq;  	ramips_hw_set_macaddr(dev->dev_addr); -	ramips_setup_dma(priv); +	ramips_setup_dma(re);  	ramips_fe_wr((ramips_fe_rr(RAMIPS_PDMA_GLO_CFG) & 0xff) |  		(RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN |  		RAMIPS_TX_DMA_EN | RAMIPS_PDMA_SIZE_4DWORDS),  		RAMIPS_PDMA_GLO_CFG);  	ramips_fe_wr((ramips_fe_rr(RAMIPS_FE_GLO_CFG) &  		~(RAMIPS_US_CYC_CNT_MASK << RAMIPS_US_CYC_CNT_SHIFT)) | -		((priv->plat->sys_freq / RAMIPS_US_CYC_CNT_DIVISOR) << RAMIPS_US_CYC_CNT_SHIFT), +		((re->plat->sys_freq / RAMIPS_US_CYC_CNT_DIVISOR) << RAMIPS_US_CYC_CNT_SHIFT),  		RAMIPS_FE_GLO_CFG); -	tasklet_init(&priv->tx_housekeeping_tasklet, ramips_eth_tx_housekeeping, +	tasklet_init(&re->tx_housekeeping_tasklet, ramips_eth_tx_housekeeping,  		     (unsigned long)dev); -	tasklet_init(&priv->rx_tasklet, ramips_eth_rx_hw, (unsigned long)dev); +	tasklet_init(&re->rx_tasklet, ramips_eth_rx_hw, (unsigned long)dev); -	ramips_phy_start(priv); +	ramips_phy_start(re);  	ramips_fe_wr(RAMIPS_DELAY_INIT, RAMIPS_DLY_INT_CFG);  	ramips_fe_wr(RAMIPS_TX_DLY_INT | RAMIPS_RX_DLY_INT, RAMIPS_FE_INT_ENABLE); @@ -773,7 +773,7 @@ ramips_eth_open(struct net_device *dev)  static int  ramips_eth_stop(struct net_device *dev)  { -	struct raeth_priv *priv = netdev_priv(dev); +	struct raeth_priv *re = netdev_priv(dev);  	ramips_fe_wr(ramips_fe_rr(RAMIPS_PDMA_GLO_CFG) &  		     ~(RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN | RAMIPS_TX_DMA_EN), @@ -782,12 +782,12 @@ ramips_eth_stop(struct net_device *dev)  	/* disable all interrupts in the hw */  	ramips_fe_wr(0, RAMIPS_FE_INT_ENABLE); -	ramips_phy_stop(priv); +	ramips_phy_stop(re);  	free_irq(dev->irq, dev);  	netif_stop_queue(dev); -	tasklet_kill(&priv->tx_housekeeping_tasklet); -	tasklet_kill(&priv->rx_tasklet); -	ramips_cleanup_dma(priv); +	tasklet_kill(&re->tx_housekeeping_tasklet); +	tasklet_kill(&re->rx_tasklet); +	ramips_cleanup_dma(re);  	RADEBUG("ramips_eth: stopped\n");  	return 0;  } @@ -795,32 +795,32 @@ ramips_eth_stop(struct net_device *dev)  static int __init  ramips_eth_probe(struct net_device *dev)  { -	struct raeth_priv *priv = netdev_priv(dev); +	struct raeth_priv *re = netdev_priv(dev);  	int err; -	BUG_ON(!priv->plat->reset_fe); -	priv->plat->reset_fe(); +	BUG_ON(!re->plat->reset_fe); +	re->plat->reset_fe();  	net_srandom(jiffies); -	memcpy(dev->dev_addr, priv->plat->mac, ETH_ALEN); +	memcpy(dev->dev_addr, re->plat->mac, ETH_ALEN);  	ether_setup(dev);  	dev->mtu = 1500;  	dev->watchdog_timeo = TX_TIMEOUT; -	spin_lock_init(&priv->page_lock); -	spin_lock_init(&priv->phy_lock); +	spin_lock_init(&re->page_lock); +	spin_lock_init(&re->phy_lock); -	err = ramips_mdio_init(priv); +	err = ramips_mdio_init(re);  	if (err)  		return err; -	err = ramips_phy_connect(priv); +	err = ramips_phy_connect(re);  	if (err)  		goto err_mdio_cleanup;  	return 0;  err_mdio_cleanup: -	ramips_mdio_cleanup(priv); +	ramips_mdio_cleanup(re);  	return err;  } @@ -848,7 +848,7 @@ static const struct net_device_ops ramips_eth_netdev_ops = {  static int  ramips_eth_plat_probe(struct platform_device *plat)  { -	struct raeth_priv *priv; +	struct raeth_priv *re;  	struct ramips_eth_platform_data *data = plat->dev.platform_data;  	struct resource *res;  	int err; @@ -886,15 +886,15 @@ ramips_eth_plat_probe(struct platform_device *plat)  	ramips_dev->base_addr = (unsigned long)ramips_fe_base;  	ramips_dev->netdev_ops = &ramips_eth_netdev_ops; -	priv = netdev_priv(ramips_dev); +	re = netdev_priv(ramips_dev); -	priv->netdev = ramips_dev; -	priv->parent = &plat->dev; -	priv->speed = data->speed; -	priv->duplex = data->duplex; -	priv->rx_fc = data->rx_fc; -	priv->tx_fc = data->tx_fc; -	priv->plat = data; +	re->netdev = ramips_dev; +	re->parent = &plat->dev; +	re->speed = data->speed; +	re->duplex = data->duplex; +	re->rx_fc = data->rx_fc; +	re->tx_fc = data->tx_fc; +	re->plat = data;  	err = register_netdev(ramips_dev);  	if (err) {  | 
