X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fixp2000%2Fixpdev.c;h=484cb2ba717f97d1df4f84b43701a9b7cf7b4bca;hb=2d94dfc8c38edf63e91e48fd55c3a8822b6a9ced;hp=d9ce1aef148a5d9ab4c4d3ccf8c4b0e5ded4eda2;hpb=4aabab2181f20560948c2045ce1faaa9ac1507a8;p=pandora-kernel.git

diff --git a/drivers/net/ixp2000/ixpdev.c b/drivers/net/ixp2000/ixpdev.c
index d9ce1aef148a..484cb2ba717f 100644
--- a/drivers/net/ixp2000/ixpdev.c
+++ b/drivers/net/ixp2000/ixpdev.c
@@ -74,9 +74,9 @@ static int ixpdev_xmit(struct sk_buff *skb, struct net_device *dev)
 }
 
 
-static int ixpdev_rx(struct net_device *dev, int *budget)
+static int ixpdev_rx(struct net_device *dev, int processed, int budget)
 {
-	while (*budget > 0) {
+	while (processed < budget) {
 		struct ixpdev_rx_desc *desc;
 		struct sk_buff *skb;
 		void *buf;
@@ -122,29 +122,32 @@ static int ixpdev_rx(struct net_device *dev, int *budget)
 
 err:
 		ixp2000_reg_write(RING_RX_PENDING, _desc);
-		dev->quota--;
-		(*budget)--;
+		processed++;
 	}
 
-	return 1;
+	return processed;
 }
 
 /* dev always points to nds[0].  */
-static int ixpdev_poll(struct net_device *dev, int *budget)
+static int ixpdev_poll(struct napi_struct *napi, int budget)
 {
-	/* @@@ Have to stop polling when nds[0] is administratively
-	 * downed while we are polling.  */
+	struct ixpdev_priv *ip = container_of(napi, struct ixpdev_priv, napi);
+	struct net_device *dev = ip->dev;
+	int rx;
+
+	rx = 0;
 	do {
 		ixp2000_reg_write(IXP2000_IRQ_THD_RAW_STATUS_A_0, 0x00ff);
 
-		if (ixpdev_rx(dev, budget))
-			return 1;
+		rx = ixpdev_rx(dev, rx, budget);
+		if (rx >= budget)
+			break;
 	} while (ixp2000_reg_read(IXP2000_IRQ_THD_RAW_STATUS_A_0) & 0x00ff);
 
-	netif_rx_complete(dev);
+	netif_rx_complete(dev, napi);
 	ixp2000_reg_write(IXP2000_IRQ_THD_ENABLE_SET_A_0, 0x00ff);
 
-	return 0;
+	return rx;
 }
 
 static void ixpdev_tx_complete(void)
@@ -199,9 +202,12 @@ static irqreturn_t ixpdev_interrupt(int irq, void *dev_id)
 	 * Any of the eight receive units signaled RX?
 	 */
 	if (status & 0x00ff) {
+		struct net_device *dev = nds[0];
+		struct ixpdev_priv *ip = netdev_priv(dev);
+
 		ixp2000_reg_wrb(IXP2000_IRQ_THD_ENABLE_CLEAR_A_0, 0x00ff);
-		if (likely(__netif_rx_schedule_prep(nds[0]))) {
-			__netif_rx_schedule(nds[0]);
+		if (likely(napi_schedule_prep(&ip->napi))) {
+			__netif_rx_schedule(dev, &ip->napi);
 		} else {
 			printk(KERN_CRIT "ixp2000: irq while polling!!\n");
 		}
@@ -232,11 +238,13 @@ static int ixpdev_open(struct net_device *dev)
 	struct ixpdev_priv *ip = netdev_priv(dev);
 	int err;
 
+	napi_enable(&ip->napi);
 	if (!nds_open++) {
 		err = request_irq(IRQ_IXP2000_THDA0, ixpdev_interrupt,
 					IRQF_SHARED, "ixp2000_eth", nds);
 		if (err) {
 			nds_open--;
+			napi_disable(&ip->napi);
 			return err;
 		}
 
@@ -254,6 +262,7 @@ static int ixpdev_close(struct net_device *dev)
 	struct ixpdev_priv *ip = netdev_priv(dev);
 
 	netif_stop_queue(dev);
+	napi_disable(&ip->napi);
 	set_port_admin_status(ip->channel, 0);
 
 	if (!--nds_open) {
@@ -274,7 +283,6 @@ struct net_device *ixpdev_alloc(int channel, int sizeof_priv)
 		return NULL;
 
 	dev->hard_start_xmit = ixpdev_xmit;
-	dev->poll = ixpdev_poll;
 	dev->open = ixpdev_open;
 	dev->stop = ixpdev_close;
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -282,9 +290,10 @@ struct net_device *ixpdev_alloc(int channel, int sizeof_priv)
 #endif
 
 	dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM;
-	dev->weight = 64;
 
 	ip = netdev_priv(dev);
+	ip->dev = dev;
+	netif_napi_add(dev, &ip->napi, ixpdev_poll, 64);
 	ip->channel = channel;
 	ip->tx_queue_entries = 0;