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net: usb: qmi_wwan: use new function dev_fetch_sw_netstats

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Simplify the code by using new function dev_fetch_sw_netstats().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Link: https://lore.kernel.org/r/2c97b75b-107e-0ab6-d9ef-9f38bb03f495@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit 2020-10-12 10:06:44 +02:00 committed by Jakub Kicinski
parent 9d0151673e
commit ec173778e9
1 changed files with 1 additions and 23 deletions
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24
drivers/net/usb/qmi_wwan.c
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@ -126,31 +126,9 @@ static void qmimux_get_stats64(struct net_device *net,
struct rtnl_link_stats64 *stats) struct rtnl_link_stats64 *stats)
{ {
struct qmimux_priv *priv = netdev_priv(net); struct qmimux_priv *priv = netdev_priv(net);
unsigned int start;
int cpu;
netdev_stats_to_stats64(stats, &net->stats); netdev_stats_to_stats64(stats, &net->stats);
dev_fetch_sw_netstats(stats, priv->stats64);
for_each_possible_cpu(cpu) {
struct pcpu_sw_netstats *stats64;
u64 rx_packets, rx_bytes;
u64 tx_packets, tx_bytes;
stats64 = per_cpu_ptr(priv->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;
}
} }
static const struct net_device_ops qmimux_netdev_ops = { static const struct net_device_ops qmimux_netdev_ops = {