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path: root/drivers/net/loopback.c
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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 b7d438a367f..da472c68748 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