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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-17 10:24:53 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-17 10:24:53 +1000
commit492b057c426e4aa747484958e18e9da29003985d (patch)
tree34e08c24618688d8bcc190523028b5f94cce0c0b /drivers/net/loopback.c
parent313485175da221c388f6a8ecf4c30062ba9bea17 (diff)
parent300df7dc89cc276377fc020704e34875d5c473b6 (diff)
downloadlinux-492b057c426e4aa747484958e18e9da29003985d.tar.gz
Merge commit 'origin/master' into next
Diffstat (limited to 'drivers/net/loopback.c')
-rw-r--r--drivers/net/loopback.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index b7d438a367f3..da472c687481 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -62,6 +62,7 @@
 struct pcpu_lstats {
 	unsigned long packets;
 	unsigned long bytes;
+	unsigned long drops;
 };
 
 /*
@@ -71,18 +72,22 @@ struct pcpu_lstats {
 static int loopback_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct pcpu_lstats *pcpu_lstats, *lb_stats;
+	int len;
 
 	skb_orphan(skb);
 
-	skb->protocol = eth_type_trans(skb,dev);
+	skb->protocol = eth_type_trans(skb, dev);
 
 	/* it's OK to use per_cpu_ptr() because BHs are off */
 	pcpu_lstats = dev->ml_priv;
 	lb_stats = per_cpu_ptr(pcpu_lstats, smp_processor_id());
-	lb_stats->bytes += skb->len;
-	lb_stats->packets++;
 
-	netif_rx(skb);
+	len = skb->len;
+	if (likely(netif_rx(skb) == NET_RX_SUCCESS)) {
+		lb_stats->bytes += len;
+		lb_stats->packets++;
+	} else
+		lb_stats->drops++;
 
 	return 0;
 }
@@ -93,6 +98,7 @@ static struct net_device_stats *loopback_get_stats(struct net_device *dev)
 	struct net_device_stats *stats = &dev->stats;
 	unsigned long bytes = 0;
 	unsigned long packets = 0;
+	unsigned long drops = 0;
 	int i;
 
 	pcpu_lstats = dev->ml_priv;
@@ -102,11 +108,14 @@ static struct net_device_stats *loopback_get_stats(struct net_device *dev)
 		lb_stats = per_cpu_ptr(pcpu_lstats, i);
 		bytes   += lb_stats->bytes;
 		packets += lb_stats->packets;
+		drops   += lb_stats->drops;
 	}
 	stats->rx_packets = packets;
 	stats->tx_packets = packets;
-	stats->rx_bytes = bytes;
-	stats->tx_bytes = bytes;
+	stats->rx_dropped = drops;
+	stats->rx_errors  = drops;
+	stats->rx_bytes   = bytes;
+	stats->tx_bytes   = bytes;
 	return stats;
 }
 
@@ -161,6 +170,7 @@ static void loopback_setup(struct net_device *dev)
 	dev->tx_queue_len	= 0;
 	dev->type		= ARPHRD_LOOPBACK;	/* 0x0001*/
 	dev->flags		= IFF_LOOPBACK;
+	dev->priv_flags	       &= ~IFF_XMIT_DST_RELEASE;
 	dev->features 		= NETIF_F_SG | NETIF_F_FRAGLIST
 		| NETIF_F_TSO
 		| NETIF_F_NO_CSUM