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[1/5] net: ethernet: mtk_eth_soc: account for vlan in rx header length

Message ID 20221123095754.36821-1-nbd@nbd.name (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series [1/5] net: ethernet: mtk_eth_soc: account for vlan in rx header length | expand

Checks

Context Check Description
netdev/tree_selection success Guessing tree name failed - patch did not apply

Commit Message

Felix Fietkau Nov. 23, 2022, 9:57 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(-)
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Patch

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 7ca806b4de10..a553265c10de 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 | \