linux-kernel - [PATCH 3/3] net: xfrm: use core API for updating TX stats

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Message-Id: <20201112111345.34625-1-lev@openvpn.net>
Date:   Thu, 12 Nov 2020 13:13:45 +0200
From:   Lev Stipakov <lstipakov@...il.com>
To:     Steffen Klassert <steffen.klassert@...unet.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Lev Stipakov <lev@...nvpn.net>
Subject: [PATCH 3/3] net: xfrm: use core API for updating TX stats

Commit d3fd65484c781 ("net: core: add dev_sw_netstats_tx_add") has added
function "dev_sw_netstats_tx_add()" to update net device per-cpu TX
stats.

Use this function instead of own code.

Signed-off-by: Lev Stipakov <lev@...nvpn.net>
---
 net/xfrm/xfrm_interface.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index 9b8e292a7c6a..43ee4c5a6fa9 100644
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -319,12 +319,7 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
 
 	err = dst_output(xi->net, skb->sk, skb);
 	if (net_xmit_eval(err) == 0) {
-		struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
-
-		u64_stats_update_begin(&tstats->syncp);
-		tstats->tx_bytes += length;
-		tstats->tx_packets++;
-		u64_stats_update_end(&tstats->syncp);
+		dev_sw_netstats_tx_add(dev, 1, length);
 	} else {
 		stats->tx_errors++;
 		stats->tx_aborted_errors++;
-- 
2.25.1