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From: Heiner Kallweit <hkallweit1@gmail.com>
To: "David Miller" <davem@davemloft.net>,
	"Jakub Kicinski" <kuba@kernel.org>, "Bjørn Mork" <bjorn@mork.no>,
	"Oliver Neukum" <oneukum@suse.com>,
	"Igor Mitsyanko" <imitsyanko@quantenna.com>,
	"Sergey Matyukevich" <geomatsi@gmail.com>,
	"Kalle Valo" <kvalo@codeaurora.org>,
	"Roopa Prabhu" <roopa@nvidia.com>,
	"Nikolay Aleksandrov" <nikolay@nvidia.com>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Vivien Didelot" <vivien.didelot@gmail.com>,
	"Florian Fainelli" <f.fainelli@gmail.com>,
	"Vladimir Oltean" <olteanv@gmail.com>,
	"Alexey Kuznetsov" <kuznet@ms2.inr.ac.ru>,
	"Hideaki YOSHIFUJI" <yoshfuji@linux-ipv6.org>,
	"Johannes Berg" <johannes@sipsolutions.net>,
	"Pravin B Shelar" <pshelar@ovn.org>,
	"Steffen Klassert" <steffen.klassert@secunet.com>,
	"Herbert Xu" <herbert@gondor.apana.org.au>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	linux-rdma@vger.kernel.org,
	Linux USB Mailing List <linux-usb@vger.kernel.org>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	bridge@lists.linux-foundation.org
Subject: [PATCH net-next v2 12/12] xfrm: use new function dev_fetch_sw_netstats
Date: Mon, 12 Oct 2020 10:19:59 +0200
Message-ID: <a6b816f4-bbf2-9db0-d59a-7e4e9cc808fe@gmail.com> (raw)
In-Reply-To: <d77b65de-1793-f808-66b5-aaa4e7c8a8f0@gmail.com>

Simplify the code by using new function dev_fetch_sw_netstats().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 net/xfrm/xfrm_interface.c | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index 5b120936d..aa4cdcf69 100644
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -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;
-- 
2.28.0



  parent reply index

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-12  8:00 [PATCH net-next v2 00/12] net: add and use function dev_fetch_sw_netstats for fetching pcpu_sw_netstats Heiner Kallweit
2020-10-12  8:01 ` [PATCH net-next v2 01/12] net: add " Heiner Kallweit
2020-10-12  8:03 ` [PATCH net-next v2 02/12] IB/hfi1: use new function dev_fetch_sw_netstats Heiner Kallweit
2020-10-12  8:04 ` [PATCH net-next v2 03/12] net: macsec: " Heiner Kallweit
2020-10-12  8:06 ` [PATCH net-next v2 04/12] net: usb: qmi_wwan: " Heiner Kallweit
2020-10-12  8:07 ` [PATCH net-next v2 05/12] net: usbnet: " Heiner Kallweit
2020-10-12  8:14 ` [PATCH net-next v2 06/12] qtnfmac: " Heiner Kallweit
2020-10-12  8:15 ` [PATCH net-next v2 07/12] net: bridge: " Heiner Kallweit
2020-10-12  8:16 ` [PATCH net-next v2 08/12] net: dsa: " Heiner Kallweit
2020-10-12  8:17 ` [PATCH net-next v2 09/12] iptunnel: " Heiner Kallweit
2020-10-12  8:18 ` [PATCH net-next v2 10/12] mac80211: " Heiner Kallweit
2020-10-12  8:19 ` [PATCH net-next v2 11/12] net: openvswitch: " Heiner Kallweit
2020-10-12  8:19 ` Heiner Kallweit [this message]
2020-10-14  0:39 ` [PATCH net-next v2 00/12] net: add and use function dev_fetch_sw_netstats for fetching pcpu_sw_netstats Jakub Kicinski
2020-10-14  5:42   ` Leon Romanovsky
2020-10-14  6:13     ` Heiner Kallweit
2020-10-14  7:53       ` Leon Romanovsky
2020-10-14  7:59         ` Heiner Kallweit
2020-10-14  8:01           ` Johannes Berg
2020-10-14  8:33             ` Leon Romanovsky

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