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[net-next,1/4] net: core: add dev_sw_netstats_tx_add

Message ID 972dfa4e-d983-9daa-2d34-23844793646a@gmail.com (mailing list archive)
State Not Applicable
Delegated to: Netdev Maintainers
Headers show
Series net: add functionality to net core byte/packet counters and use it in r8169 | expand

Commit Message

Heiner Kallweit Oct. 29, 2020, 5:29 p.m. UTC 
Add dev_sw_netstats_tx_add(), complementing already existing
dev_sw_netstats_rx_add(). Other than dev_sw_netstats_rx_add allow to
pass the number of packets as function argument.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 include/linux/netdevice.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 964b494b0..568fab708 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2557,6 +2557,18 @@  static inline void dev_sw_netstats_rx_add(struct net_device *dev, unsigned int l
 	u64_stats_update_end(&tstats->syncp);
 }
 
+static inline void dev_sw_netstats_tx_add(struct net_device *dev,
+					  unsigned int packets,
+					  unsigned int len)
+{
+	struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
+
+	u64_stats_update_begin(&tstats->syncp);
+	tstats->tx_bytes += len;
+	tstats->tx_packets += 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);