netdev - [PATCH v2 net-next 5/9] wireguard: receive: use dev_sw_netstats_rx

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Message-Id: <20220608154640.1235958-6-eric.dumazet@gmail.com>
Date:   Wed,  8 Jun 2022 08:46:36 -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>,
        "Jason A . Donenfeld" <Jason@...c4.com>
Subject: [PATCH v2 net-next 5/9] wireguard: receive: use dev_sw_netstats_rx_add()

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

We have a convenient helper, let's use it.
This will make the following patch easier to review and smaller.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
Reviewed-by: Jason A. Donenfeld <Jason@...c4.com>
---
 drivers/net/wireguard/receive.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index 7b8df406c7737398f0270361afcb196af4b6a76e..7135d51d2d872edb66c856379ce2923b214289e9 100644
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -19,15 +19,8 @@
 /* Must be called with bh disabled. */
 static void update_rx_stats(struct wg_peer *peer, size_t len)
 {
-	struct pcpu_sw_netstats *tstats =
-		get_cpu_ptr(peer->device->dev->tstats);
-
-	u64_stats_update_begin(&tstats->syncp);
-	++tstats->rx_packets;
-	tstats->rx_bytes += len;
+	dev_sw_netstats_rx_add(peer->device->dev, len);
 	peer->rx_bytes += len;
-	u64_stats_update_end(&tstats->syncp);
-	put_cpu_ptr(tstats);
 }
 
 #define SKB_TYPE_LE32(skb) (((struct message_header *)(skb)->data)->type)
-- 
2.36.1.255.ge46751e96f-goog