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xfrm: 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>
Link: https://lore.kernel.org/r/a6b816f4-bbf2-9db0-d59a-7e4e9cc808fe@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit 2020-10-12 10:19:59 +02:00 committed by Jakub Kicinski
parent 3569939a81
commit 5fc3594d36
1 changed files with 1 additions and 21 deletions
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22
net/xfrm/xfrm_interface.c
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@ -541,27 +541,7 @@ static int xfrmi_update(struct xfrm_if *xi, struct xfrm_if_parms *p)
static void xfrmi_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *s)
{
int cpu;
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;