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[net-next,v2,03/12] net: macsec: use new function dev_fetch_sw_netstats

Message ID 0d81e0f7-7784-42df-8e10-d0b77ca5b7ee@gmail.com (mailing list archive)
State RFC
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, 8:04 a.m. UTC 
Simplify the code by using new function dev_fetch_sw_netstats().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/net/macsec.c | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)
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Patch

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 2b0c8f01d..11ca5fa90 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -3647,30 +3647,10 @@  static int macsec_change_mtu(struct net_device *dev, int new_mtu)
 static void macsec_get_stats64(struct net_device *dev,
 			       struct rtnl_link_stats64 *s)
 {
-	int cpu;
-
 	if (!dev->tstats)
 		return;
 
-	for_each_possible_cpu(cpu) {
-		struct pcpu_sw_netstats *stats;
-		struct pcpu_sw_netstats tmp;
-		int start;
-
-		stats = per_cpu_ptr(dev->tstats, cpu);
-		do {
-			start = u64_stats_fetch_begin_irq(&stats->syncp);
-			tmp.rx_packets = stats->rx_packets;
-			tmp.rx_bytes   = stats->rx_bytes;
-			tmp.tx_packets = stats->tx_packets;
-			tmp.tx_bytes   = stats->tx_bytes;
-		} while (u64_stats_fetch_retry_irq(&stats->syncp, start));
-
-		s->rx_packets += tmp.rx_packets;
-		s->rx_bytes   += tmp.rx_bytes;
-		s->tx_packets += tmp.tx_packets;
-		s->tx_bytes   += tmp.tx_bytes;
-	}
+	dev_fetch_sw_netstats(s, dev->tstats);
 
 	s->rx_dropped = dev->stats.rx_dropped;
 	s->tx_dropped = dev->stats.tx_dropped;