uml: convert network device to internal network device stats

Convert the UML network device to use internal network device stats.
Signed-off-by: NStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/um/drivers/net_kern.c

@@ -86,7 +86,7 @@ static int uml_net_rx(struct net_device *dev)
 		drop_skb->dev = dev;
 		/* Read a packet into drop_skb and don't do anything with it. */
 		(*lp->read)(lp->fd, drop_skb, lp);
-		lp->stats.rx_dropped++;
+		dev->stats.rx_dropped++;
 		return 0;
 	}
 
@@ -99,8 +99,8 @@ static int uml_net_rx(struct net_device *dev)
 		skb_trim(skb, pkt_len);
 		skb->protocol = (*lp->protocol)(skb);
 
-		lp->stats.rx_bytes += skb->len;
-		lp->stats.rx_packets++;
+		dev->stats.rx_bytes += skb->len;
+		dev->stats.rx_packets++;
 		netif_rx(skb);
 		return pkt_len;
 	}
@@ -224,8 +224,8 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	len = (*lp->write)(lp->fd, skb, lp);
 
 	if (len == skb->len) {
-		lp->stats.tx_packets++;
-		lp->stats.tx_bytes += skb->len;
+		dev->stats.tx_packets++;
+		dev->stats.tx_bytes += skb->len;
 		dev->trans_start = jiffies;
 		netif_start_queue(dev);
 
@@ -234,7 +234,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 	else if (len == 0) {
 		netif_start_queue(dev);
-		lp->stats.tx_dropped++;
+		dev->stats.tx_dropped++;
 	}
 	else {
 		netif_start_queue(dev);
@@ -248,12 +248,6 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	return 0;
 }
 
-static struct net_device_stats *uml_net_get_stats(struct net_device *dev)
-{
-	struct uml_net_private *lp = netdev_priv(dev);
-	return &lp->stats;
-}
-
 static void uml_net_set_multicast_list(struct net_device *dev)
 {
 	return;
@@ -476,7 +470,6 @@ static void eth_configure(int n, void *init, char *mac,
 	dev->open = uml_net_open;
 	dev->hard_start_xmit = uml_net_start_xmit;
 	dev->stop = uml_net_close;
-	dev->get_stats = uml_net_get_stats;
 	dev->set_multicast_list = uml_net_set_multicast_list;
 	dev->tx_timeout = uml_net_tx_timeout;
 	dev->set_mac_address = uml_net_set_mac;

arch/um/include/shared/net_kern.h

@@ -26,7 +26,7 @@ struct uml_net_private {
 	spinlock_t lock;
 	struct net_device *dev;
 	struct timer_list tl;
-	struct net_device_stats stats;
+
 	struct work_struct work;
 	int fd;
 	unsigned char mac[ETH_ALEN];