mac80211: use new function dev_fetch_sw_netstats

Simplify the code by using new function dev_fetch_sw_netstats().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/93dda477-70ae-0ccf-71b4-bfebb66c9beb@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 240862a..1be7759 100644 (file)
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -709,28 +709,7 @@ static u16 ieee80211_netdev_select_queue(struct net_device *dev,
 static void
 ieee80211_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
-       int i;
-
-       for_each_possible_cpu(i) {
-               const struct pcpu_sw_netstats *tstats;
-               u64 rx_packets, rx_bytes, tx_packets, tx_bytes;
-               unsigned int start;
-
-               tstats = per_cpu_ptr(dev->tstats, i);
-
-               do {
-                       start = u64_stats_fetch_begin_irq(&tstats->syncp);
-                       rx_packets = tstats->rx_packets;
-                       tx_packets = tstats->tx_packets;
-                       rx_bytes = tstats->rx_bytes;
-                       tx_bytes = tstats->tx_bytes;
-               } while (u64_stats_fetch_retry_irq(&tstats->syncp, start));
-
-               stats->rx_packets += rx_packets;
-               stats->tx_packets += tx_packets;
-               stats->rx_bytes   += rx_bytes;
-               stats->tx_bytes   += tx_bytes;
-       }
+       dev_fetch_sw_netstats(stats, dev->tstats);
 }
 
 static const struct net_device_ops ieee80211_dataif_ops = {