openwrt/target/linux/mediatek/patches-4.14/0035-net-mediatek-disable-RX-VLan-offloading.patch
Stijn Tintel 88ba41453d kernel: bump 4.14 to 4.14.20
Refresh patches.
Remove upstreamed patches:
- backport/080-v4.15-0001-arch-define-weak-abort.patch
- backport/081-v4.15-0002-kernel-exit.c-export-abort-to-modules.patch
Update patch that no longer applies:
pending/493-ubi-set-ROOT_DEV-to-ubiblock-rootfs-if-unset.patch

Fixes CVE-2017-8824.

Compile-tested: octeon, x86/64.
Runtime-tested: octeon, x86/64.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2018-02-18 02:59:48 +01:00

48 lines
1.7 KiB
Diff

From 35b83b85e752a6660b92f08c0fb912308f25cf6d Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Thu, 10 Aug 2017 15:56:40 +0200
Subject: [PATCH 35/57] net: mediatek: disable RX VLan offloading
Signed-off-by: John Crispin <john@phrozen.org>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 9 ++++++---
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 2 --
2 files changed, 6 insertions(+), 5 deletions(-)
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -709,8 +709,8 @@ static int mtk_tx_map(struct sk_buff *sk
txd4 |= TX_DMA_CHKSUM;
/* VLAN header offload */
- if (skb_vlan_tag_present(skb))
- txd4 |= TX_DMA_INS_VLAN | skb_vlan_tag_get(skb);
+// if (skb_vlan_tag_present(skb))
+// txd4 |= TX_DMA_INS_VLAN | skb_vlan_tag_get(skb);
mapped_addr = dma_map_single(eth->dev, skb->data,
skb_headlen(skb), DMA_TO_DEVICE);
@@ -1979,7 +1979,10 @@ static int mtk_hw_init(struct mtk_eth *e
mtk_w32(eth, val | MTK_CDMQ_STAG_EN, MTK_CDMQ_IG_CTRL);
/* Enable RX VLan Offloading */
- mtk_w32(eth, 1, MTK_CDMP_EG_CTRL);
+ if (MTK_HW_FEATURES & NETIF_F_HW_VLAN_CTAG_RX)
+ mtk_w32(eth, 1, MTK_CDMP_EG_CTRL);
+ else
+ mtk_w32(eth, 0, MTK_CDMP_EG_CTRL);
/* enable interrupt delay for RX */
mtk_w32(eth, MTK_PDMA_DELAY_RX_DELAY, MTK_PDMA_DELAY_INT);
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -34,8 +34,6 @@
NETIF_MSG_TX_ERR)
#define MTK_HW_FEATURES (NETIF_F_IP_CSUM | \
NETIF_F_RXCSUM | \
- NETIF_F_HW_VLAN_CTAG_TX | \
- NETIF_F_HW_VLAN_CTAG_RX | \
NETIF_F_SG | NETIF_F_TSO | \
NETIF_F_TSO6 | \
NETIF_F_IPV6_CSUM)