linux-kernel - [PATCH net-next 2/2] net: nlmon: Simplify nlmon_get

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Date: Fri,  1 Mar 2024 05:42:14 -0800
From: Breno Leitao <leitao@...ian.org>
To: kuba@...nel.org,
	davem@...emloft.net,
	pabeni@...hat.com,
	edumazet@...gle.com,
	daniel@...earbox.net
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	horms@...nel.org,
	dsahern@...nel.org
Subject: [PATCH net-next 2/2] net: nlmon: Simplify nlmon_get_stats64

Do not set rtnl_link_stats64 fields to zero, since they are zeroed
before ops->ndo_get_stats64 is called in core dev_get_stats() function.

Also, simplify the data collection by removing the temporary variable.

Signed-off-by: Breno Leitao <leitao@...ian.org>
---
 drivers/net/nlmon.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c
index e026bfc83757..e5a0987a263e 100644
--- a/drivers/net/nlmon.c
+++ b/drivers/net/nlmon.c
@@ -40,15 +40,7 @@ static int nlmon_close(struct net_device *dev)
 static void
 nlmon_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
-	u64 packets, bytes;
-
-	dev_lstats_read(dev, &packets, &bytes);
-
-	stats->rx_packets = packets;
-	stats->tx_packets = 0;
-
-	stats->rx_bytes = bytes;
-	stats->tx_bytes = 0;
+	dev_lstats_read(dev, &stats->rx_packets, &stats->rx_bytes);
 }
 
 static u32 always_on(struct net_device *dev)
-- 
2.43.0