[PATCH 2/2 net V3] net: vertexcom: mse102x: Fix tx_bytes calculation

Stefan Wahren posted 2 patches 2 weeks, 1 day ago
[PATCH 2/2 net V3] net: vertexcom: mse102x: Fix tx_bytes calculation
Posted by Stefan Wahren 2 weeks, 1 day ago
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@gmx.net>
---
 drivers/net/ethernet/vertexcom/mse102x.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/vertexcom/mse102x.c b/drivers/net/ethernet/vertexcom/mse102x.c
index 2c37957478fb..89dc4c401a8d 100644
--- a/drivers/net/ethernet/vertexcom/mse102x.c
+++ b/drivers/net/ethernet/vertexcom/mse102x.c
@@ -437,13 +437,15 @@ static void mse102x_tx_work(struct work_struct *work)
 	mse = &mses->mse102x;

 	while ((txb = skb_dequeue(&mse->txq))) {
+		unsigned int len = max_t(unsigned int, txb->len, ETH_ZLEN);
+
 		mutex_lock(&mses->lock);
 		ret = mse102x_tx_pkt_spi(mse, txb, work_timeout);
 		mutex_unlock(&mses->lock);
 		if (ret) {
 			mse->ndev->stats.tx_dropped++;
 		} else {
-			mse->ndev->stats.tx_bytes += txb->len;
+			mse->ndev->stats.tx_bytes += len;
 			mse->ndev->stats.tx_packets++;
 		}

--
2.34.1