[PATCH net-next] net: dsa: realtek: rtl8365mb: remove ifOutDiscards from rx_packets

[Luiz Angelo Daros de Luca]

From: Mieczyslaw Nalewaj <namiltd@xxxxxxxxx>

rx_packets should report the number of frames successfully received:
unicast + multicast + broadcast. Subtracting ifOutDiscards (a TX
counter) is incorrect and can undercount RX packets. RX drops are
already reported via rx_dropped (e.g. etherStatsDropEvents), so
there is no need to adjust rx_packets.

This patch removes the subtraction of ifOutDiscards from rx_packets
in rtl8365mb_stats_update().

Link: https://lore.kernel.org/netdev/878777925.105015.1763423928520@xxxxxxxxxxxxxx/
Fixes: 4af2950c50c8 ("net: dsa: realtek-smi: add rtl8365mb subdriver for RTL8365MB-VC")
Signed-off-by: Mieczyslaw Nalewaj <namiltd@xxxxxxxxx>
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@xxxxxxxxx>
---
I'm taking over the original patch submitted by Mieczyslaw Nalewaj
(with his authorization). The original message is referenced in the
Link tag.
---
 drivers/net/dsa/realtek/rtl8365mb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c
index c575e164368c..5c094fcafc21 100644
--- a/drivers/net/dsa/realtek/rtl8365mb.c
+++ b/drivers/net/dsa/realtek/rtl8365mb.c
@@ -1480,8 +1480,7 @@ static void rtl8365mb_stats_update(struct realtek_priv *priv, int port)
 
 	stats->rx_packets = cnt[RTL8365MB_MIB_ifInUcastPkts] +
 			    cnt[RTL8365MB_MIB_ifInMulticastPkts] +
-			    cnt[RTL8365MB_MIB_ifInBroadcastPkts] -
-			    cnt[RTL8365MB_MIB_ifOutDiscards];
+			    cnt[RTL8365MB_MIB_ifInBroadcastPkts];
 
 	stats->tx_packets = cnt[RTL8365MB_MIB_ifOutUcastPkts] +
 			    cnt[RTL8365MB_MIB_ifOutMulticastPkts] +

---
base-commit: ed0abfe93fd135dac223e87a3c945017b1fa8bfc
change-id: 20260303-realtek_namiltd_fix2-f72c45f4c424

Best regards,
-- 
Luiz Angelo Daros de Luca <luizluca@xxxxxxxxx>