summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/loopback.c12
-rw-r--r--include/linux/netdevice.h10
2 files changed, 12 insertions, 10 deletions
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 92336ac4c5e6..47ad2478b9f3 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -68,7 +68,6 @@ EXPORT_SYMBOL(blackhole_netdev);
static netdev_tx_t loopback_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- struct pcpu_lstats *lb_stats;
int len;
skb_tx_timestamp(skb);
@@ -85,16 +84,9 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb,
skb->protocol = eth_type_trans(skb, dev);
- /* it's OK to use per_cpu_ptr() because BHs are off */
- lb_stats = this_cpu_ptr(dev->lstats);
-
len = skb->len;
- if (likely(netif_rx(skb) == NET_RX_SUCCESS)) {
- u64_stats_update_begin(&lb_stats->syncp);
- lb_stats->bytes += len;
- lb_stats->packets++;
- u64_stats_update_end(&lb_stats->syncp);
- }
+ if (likely(netif_rx(skb) == NET_RX_SUCCESS))
+ dev_lstats_add(dev, len);
return NETDEV_TX_OK;
}
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 75561992c31f..461a36220cf4 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2403,6 +2403,16 @@ struct pcpu_lstats {
void dev_lstats_read(struct net_device *dev, u64 *packets, u64 *bytes);
+static inline void dev_lstats_add(struct net_device *dev, unsigned int len)
+{
+ struct pcpu_lstats *lstats = this_cpu_ptr(dev->lstats);
+
+ u64_stats_update_begin(&lstats->syncp);
+ lstats->bytes += len;
+ lstats->packets++;
+ u64_stats_update_end(&lstats->syncp);
+}
+
#define __netdev_alloc_pcpu_stats(type, gfp) \
({ \
typeof(type) __percpu *pcpu_stats = alloc_percpu_gfp(type, gfp);\