openwrt/target/linux/generic/backport-6.1/730-01-v6.3-net-ethernet-mtk_eth_soc-account-for-vlan-in-rx-head.patch
Christian Marangi fa79baf4a6
generic: copy backport, hack, pending patch and config from 5.15 to 6.1
Copy backport, hack, pending patch and config from 5.15 to 6.1.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2023-05-22 22:28:13 +02:00

23 lines
777 B
Diff

From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 27 Oct 2022 19:50:31 +0200
Subject: [PATCH] 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@nbd.name>
---
--- 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 | \