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net: openvswitch: 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>
Link: https://lore.kernel.org/r/5e52dc91-97b1-82b0-214b-65d404e4a2ec@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit 2020-10-12 10:19:12 +02:00 committed by Jakub Kicinski
parent 6401297e76
commit 3569939a81
1 changed files with 1 additions and 19 deletions
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20
net/openvswitch/vport-internal_dev.c
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@ -86,31 +86,13 @@ static void internal_dev_destructor(struct net_device *dev)
static void
internal_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
int i;
memset(stats, 0, sizeof(*stats));
stats->rx_errors = dev->stats.rx_errors;
stats->tx_errors = dev->stats.tx_errors;
stats->tx_dropped = dev->stats.tx_dropped;
stats->rx_dropped = dev->stats.rx_dropped;
for_each_possible_cpu(i) {
const struct pcpu_sw_netstats *percpu_stats;
struct pcpu_sw_netstats local_stats;
unsigned int start;
percpu_stats = per_cpu_ptr(dev->tstats, i);
do {
start = u64_stats_fetch_begin_irq(&percpu_stats->syncp);
local_stats = *percpu_stats;
} while (u64_stats_fetch_retry_irq(&percpu_stats->syncp, start));
stats->rx_bytes += local_stats.rx_bytes;
stats->rx_packets += local_stats.rx_packets;
stats->tx_bytes += local_stats.tx_bytes;
stats->tx_packets += local_stats.tx_packets;
}
dev_fetch_sw_netstats(stats, dev->tstats);
}
static const struct net_device_ops internal_dev_netdev_ops = {