net: nlmon: use standard dev_lstats_add() and dev_lstats_read()
No need to hand-code the exact same functions.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c
index 68771b2..afb119f38 100644
--- a/drivers/net/nlmon.c
+++ b/drivers/net/nlmon.c
@@ -9,13 +9,7 @@
static netdev_tx_t nlmon_xmit(struct sk_buff *skb, struct net_device *dev)
{
- int len = skb->len;
- struct pcpu_lstats *stats = this_cpu_ptr(dev->lstats);
-
- u64_stats_update_begin(&stats->syncp);
- stats->bytes += len;
- stats->packets++;
- u64_stats_update_end(&stats->syncp);
+ dev_lstats_add(dev, skb->len);
dev_kfree_skb(skb);
@@ -56,25 +50,9 @@ static int nlmon_close(struct net_device *dev)
static void
nlmon_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
- int i;
- u64 bytes = 0, packets = 0;
+ u64 packets, bytes;
- for_each_possible_cpu(i) {
- const struct pcpu_lstats *nl_stats;
- u64 tbytes, tpackets;
- unsigned int start;
-
- nl_stats = per_cpu_ptr(dev->lstats, i);
-
- do {
- start = u64_stats_fetch_begin_irq(&nl_stats->syncp);
- tbytes = nl_stats->bytes;
- tpackets = nl_stats->packets;
- } while (u64_stats_fetch_retry_irq(&nl_stats->syncp, start));
-
- packets += tpackets;
- bytes += tbytes;
- }
+ dev_lstats_read(dev, &packets, &bytes);
stats->rx_packets = packets;
stats->tx_packets = 0;