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[net-next,v2,08/12] net: dsa: use new function dev_fetch_sw_netstats

Message ID b6047017-8226-6b7e-a3cd-064e69fdfa27@gmail.com (mailing list archive)
State Accepted
Commit a0d269810185b427feb1ba671cffeac0be17fa27
Headers show
Series net: add and use function dev_fetch_sw_netstats for fetching pcpu_sw_netstats | expand

Commit Message

Heiner Kallweit Oct. 12, 2020, 8:16 a.m. UTC 
Simplify the code by using new function dev_fetch_sw_netstats().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Tested-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
---
 net/dsa/slave.c | 21 +--------------------
 1 file changed, 1 insertion(+), 20 deletions(-)
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Patch

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index e7c1d62fd..3bc5ca40c 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1221,28 +1221,9 @@  static void dsa_slave_get_stats64(struct net_device *dev,
 				  struct rtnl_link_stats64 *stats)
 {
 	struct dsa_slave_priv *p = netdev_priv(dev);
-	struct pcpu_sw_netstats *s;
-	unsigned int start;
-	int i;
 
 	netdev_stats_to_stats64(stats, &dev->stats);
-	for_each_possible_cpu(i) {
-		u64 tx_packets, tx_bytes, rx_packets, rx_bytes;
-
-		s = per_cpu_ptr(p->stats64, i);
-		do {
-			start = u64_stats_fetch_begin_irq(&s->syncp);
-			tx_packets = s->tx_packets;
-			tx_bytes = s->tx_bytes;
-			rx_packets = s->rx_packets;
-			rx_bytes = s->rx_bytes;
-		} while (u64_stats_fetch_retry_irq(&s->syncp, start));
-
-		stats->tx_packets += tx_packets;
-		stats->tx_bytes += tx_bytes;
-		stats->rx_packets += rx_packets;
-		stats->rx_bytes += rx_bytes;
-	}
+	dev_fetch_sw_netstats(stats, p->stats64);
 }
 
 static int dsa_slave_get_rxnfc(struct net_device *dev,