return NETDEV_TX_OK;
}
-static void loopback_get_stats64(struct net_device *dev,
- struct rtnl_link_stats64 *stats)
+void dev_lstats_read(struct net_device *dev, u64 *packets, u64 *bytes)
{
- u64 bytes = 0;
- u64 packets = 0;
int i;
+ *packets = 0;
+ *bytes = 0;
+
for_each_possible_cpu(i) {
const struct pcpu_lstats *lb_stats;
u64 tbytes, tpackets;
lb_stats = per_cpu_ptr(dev->lstats, i);
do {
start = u64_stats_fetch_begin_irq(&lb_stats->syncp);
- tbytes = lb_stats->bytes;
tpackets = lb_stats->packets;
+ tbytes = lb_stats->bytes;
} while (u64_stats_fetch_retry_irq(&lb_stats->syncp, start));
- bytes += tbytes;
- packets += tpackets;
+ *bytes += tbytes;
+ *packets += tpackets;
}
+}
+EXPORT_SYMBOL(dev_lstats_read);
+
+static void loopback_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *stats)
+{
+ u64 packets, bytes;
+
+ dev_lstats_read(dev, &packets, &bytes);
+
stats->rx_packets = packets;
stats->tx_packets = packets;
stats->rx_bytes = bytes;