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id 1pB9rm-00CcyM-An; Fri, 30 Dec 2022 08:31:46 +0100
From: Felix Fietkau <nbd@nbd.name>
To: netdev@vger.kernel.org, John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
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Cc: Vladimir Oltean <olteanv@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH net v3 1/5] net: ethernet: mtk_eth_soc: account for vlan in rx
header length
Date: Fri, 30 Dec 2022 08:31:41 +0100
Message-Id: <20221230073145.53386-1-nbd@nbd.name>
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[net,v3,1/5] net: ethernet: mtk_eth_soc: account for vlan in rx header length
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Commit Message
Felix Fietkau
Dec. 30, 2022, 7:31 a.m. UTC
The network stack assumes that devices can handle an extra VLAN tag without increasing the MTU Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Felix Fietkau <nbd@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 18a50529ce7b..877cee9bcc66 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -34,7 +34,7 @@ #define MTK_QDMA_RING_SIZE 2048 #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 | \