diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.9/0043-net-next-mediatek-enable-special-tag-indication-for-.patch')
-rw-r--r-- | target/linux/mediatek/patches-4.9/0043-net-next-mediatek-enable-special-tag-indication-for-.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.9/0043-net-next-mediatek-enable-special-tag-indication-for-.patch b/target/linux/mediatek/patches-4.9/0043-net-next-mediatek-enable-special-tag-indication-for-.patch new file mode 100644 index 0000000000..2256325c9c --- /dev/null +++ b/target/linux/mediatek/patches-4.9/0043-net-next-mediatek-enable-special-tag-indication-for-.patch @@ -0,0 +1,41 @@ +From 53e3d9af39805a7e1ba81a047a9ab433be0e82f5 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Wed, 9 Aug 2017 14:56:53 +0200 +Subject: [PATCH 43/57] net-next: mediatek: enable special tag indication for + PDMA + +The Ingress special tag indication was only enabled for QDMA and not PDMA. +Properly initialize the STAG bit. This broke HW NAT and Qos from working +for traffic coming in via a DSA device. The PPE failed to properly parse +the traffic as it was not expecting the special tag. + +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 ++ + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 ++++ + 2 files changed, 6 insertions(+) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1894,6 +1894,8 @@ static int mtk_hw_init(struct mtk_eth *e + */ + val = mtk_r32(eth, MTK_CDMQ_IG_CTRL); + mtk_w32(eth, val | MTK_CDMQ_STAG_EN, MTK_CDMQ_IG_CTRL); ++ val = mtk_r32(eth, MTK_CDMP_IG_CTRL); ++ mtk_w32(eth, val | MTK_CDMP_STAG_EN, MTK_CDMP_IG_CTRL); + + /* Enable RX VLan Offloading */ + if (MTK_HW_FEATURES & NETIF_F_HW_VLAN_CTAG_RX) +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -76,6 +76,10 @@ + #define MTK_CDMQ_IG_CTRL 0x1400 + #define MTK_CDMQ_STAG_EN BIT(0) + ++/* CDMP Ingress Control Register */ ++#define MTK_CDMP_IG_CTRL 0x400 ++#define MTK_CDMP_STAG_EN BIT(0) ++ + /* CDMP Exgress Control Register */ + #define MTK_CDMP_EG_CTRL 0x404 + |