netdev - [PATCH v2 net-next 3/9] sit: use dev_sw_netstats_rx

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Date:   Wed,  8 Jun 2022 08:46:34 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH v2 net-next 3/9] sit: use dev_sw_netstats_rx_add()

From: Eric Dumazet <edumazet@...gle.com>

We have a convenient helper, let's use it.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 net/ipv6/sit.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index c0b138c2099256bdcb041caa72407f234963c601..d3254aa80a5251bea50dd061cc437dbf793f96fd 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -686,8 +686,6 @@ static int ipip6_rcv(struct sk_buff *skb)
 	tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
 				     iph->saddr, iph->daddr, sifindex);
 	if (tunnel) {
-		struct pcpu_sw_netstats *tstats;
-
 		if (tunnel->parms.iph.protocol != IPPROTO_IPV6 &&
 		    tunnel->parms.iph.protocol != 0)
 			goto out;
@@ -724,11 +722,7 @@ static int ipip6_rcv(struct sk_buff *skb)
 			}
 		}
 
-		tstats = this_cpu_ptr(tunnel->dev->tstats);
-		u64_stats_update_begin(&tstats->syncp);
-		tstats->rx_packets++;
-		tstats->rx_bytes += skb->len;
-		u64_stats_update_end(&tstats->syncp);
+		dev_sw_netstats_rx_add(tunnel->dev, skb->len);
 
 		netif_rx(skb);
 
-- 
2.36.1.255.ge46751e96f-goog