netdev - [PATCH net-next 1/4] net: core: add dev_sw_netstats_tx

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Date:   Thu, 29 Oct 2020 18:29:59 +0100
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Realtek linux nic maintainers <nic_swsd@...ltek.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 1/4] net: core: add dev_sw_netstats_tx_add

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@...il.com>
---
 include/linux/netdevice.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

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);
-- 
2.29.1