qtnfmac: 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>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/166259f2-084c-45d7-e610-2de2a0bdae06@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c
index 374074d..bf6dbeb 100644 (file)
--- 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.