netdev - [PATCH 2/2 net V2] net: vertexcom: mse102x: Fix tx

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Message-Id: <20241105163545.33585-2-wahrenst@gmx.net>
Date: Tue,  5 Nov 2024 17:35:45 +0100
From: Stefan Wahren <wahrenst@....net>
To: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: Dan Carpenter <dan.carpenter@...aro.org>,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Stefan Wahren <wahrenst@....net>
Subject: [PATCH 2/2 net V2] net: vertexcom: mse102x: Fix tx_bytes calculation

The tx_bytes should consider the actual size of the Ethernet frames
without the SPI encapsulation. But we still need to take care of
Ethernet padding.

Fixes: 2f207cbf0dd4 ("net: vertexcom: Add MSE102x SPI support")
Signed-off-by: Stefan Wahren <wahrenst@....net>
---
 drivers/net/ethernet/vertexcom/mse102x.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/vertexcom/mse102x.c b/drivers/net/ethernet/vertexcom/mse102x.c
index 2c37957478fb..1fffae6596de 100644
--- a/drivers/net/ethernet/vertexcom/mse102x.c
+++ b/drivers/net/ethernet/vertexcom/mse102x.c
@@ -443,7 +443,8 @@ static void mse102x_tx_work(struct work_struct *work)
 		if (ret) {
 			mse->ndev->stats.tx_dropped++;
 		} else {
-			mse->ndev->stats.tx_bytes += txb->len;
+			mse->ndev->stats.tx_bytes += max_t(unsigned int,
+							   txb->len, ETH_ZLEN);
 			mse->ndev->stats.tx_packets++;
 		}

--
2.34.1