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net: netdevice.h: sw_netstats_rx_add helper

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some drivers/network protocols update rx bytes/packets under
u64_stats_update_begin/end sequence.
Add a specific helper like dev_lstats_add()

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Fabian Frederick 2020-10-05 22:34:18 +02:00 committed by David S. Miller
parent 9b9dda5d1d
commit 451b05f413
1 changed files with 10 additions and 0 deletions
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10
include/linux/netdevice.h
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@ -2543,6 +2543,16 @@ struct pcpu_lstats {
void dev_lstats_read(struct net_device *dev, u64 *packets, u64 *bytes);
static inline void dev_sw_netstats_rx_add(struct net_device *dev, unsigned int len)
{
struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
u64_stats_update_begin(&tstats->syncp);
tstats->rx_bytes += len;
tstats->rx_packets++;
u64_stats_update_end(&tstats->syncp);
}
static inline void dev_lstats_add(struct net_device *dev, unsigned int len)
{
struct pcpu_lstats *lstats = this_cpu_ptr(dev->lstats);