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Message-Id: <20221109163426.76164-2-nbd@nbd.name>
Date: Wed, 9 Nov 2022 17:34:15 +0100
From: Felix Fietkau <nbd@....name>
To: netdev@...r.kernel.org, John Crispin <john@...ozen.org>,
Sean Wang <sean.wang@...iatek.com>,
Mark Lee <Mark-MC.Lee@...iatek.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Matthias Brugger <matthias.bgg@...il.com>
Cc: Vladimir Oltean <olteanv@...il.com>,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next v2 01/12] net: ethernet: mtk_eth_soc: account for vlan in rx header length
The network stack assumes that devices can handle an extra VLAN tag without
increasing the MTU
Signed-off-by: Felix Fietkau <nbd@....name>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 589f27ddc401..3d7cdc1efbbc 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -29,7 +29,7 @@
#define MTK_TX_DMA_BUF_LEN_V2 0xffff
#define MTK_DMA_SIZE 512
#define MTK_MAC_COUNT 2
-#define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN)
+#define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + ETH_FCS_LEN)
#define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN)
#define MTK_DMA_DUMMY_DESC 0xffffffff
#define MTK_DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | \
--
2.38.1
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