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[net-next,v2,06/12] qtnfmac: use new function dev_fetch_sw_netstats

Message ID 166259f2-084c-45d7-e610-2de2a0bdae06@gmail.com (mailing list archive)
State Accepted
Commit 1f68b2096f6530867bde34eb67fcc9ac31b58037
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, 8:14 a.m. UTC 
Simplify the code by using new function dev_fetch_sw_netstats().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
---
 drivers/net/wireless/quantenna/qtnfmac/core.c | 23 +------------------
 1 file changed, 1 insertion(+), 22 deletions(-)
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Patch

diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c
index 374074dc7..bf6dbeb61 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.c
@@ -139,34 +139,13 @@  static void qtnf_netdev_get_stats64(struct net_device *ndev,
 				    struct rtnl_link_stats64 *stats)
 {
 	struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
-	unsigned int start;
-	int cpu;
 
 	netdev_stats_to_stats64(stats, &ndev->stats);
 
 	if (!vif->stats64)
 		return;
 
-	for_each_possible_cpu(cpu) {
-		struct pcpu_sw_netstats *stats64;
-		u64 rx_packets, rx_bytes;
-		u64 tx_packets, tx_bytes;
-
-		stats64 = per_cpu_ptr(vif->stats64, cpu);
-
-		do {
-			start = u64_stats_fetch_begin_irq(&stats64->syncp);
-			rx_packets = stats64->rx_packets;
-			rx_bytes = stats64->rx_bytes;
-			tx_packets = stats64->tx_packets;
-			tx_bytes = stats64->tx_bytes;
-		} while (u64_stats_fetch_retry_irq(&stats64->syncp, start));
-
-		stats->rx_packets += rx_packets;
-		stats->rx_bytes += rx_bytes;
-		stats->tx_packets += tx_packets;
-		stats->tx_bytes += tx_bytes;
-	}
+	dev_fetch_sw_netstats(stats, vif->stats64);
 }
 
 /* Netdev handler for transmission timeout.