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mediatek: Fix packet corruption on bridge interface
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Cristian Ciobanu
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Apr 10, 2020
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...linux/mediatek/patches-5.4/0004-mediatek-fix-packet-corruption-on-bridged-interface.patch
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| From 0593f719ca873722c6ac66604f027a63663c9b64 Mon Sep 17 00:00:00 2001 | ||
| From: Alexey Loukianov <[email protected]> | ||
| Date: Fri, 7 Jun 2019 12:33:45 +0300 | ||
| Subject: [PATCH 04/12] mediatek: fix packet corruption on bridged interface | ||
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| This fixes problem that was reported here: | ||
| http://forum.banana-pi.org/t/openwrt-18-06-malformed-ip-packets-at-bridged-interface/ | ||
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| Fix is to set both gmacs to use trgmii mode. | ||
| This fix is not technically correct as second gmac | ||
| does not support trgmii mode but current driver | ||
| implementation seems to handle it somehow and | ||
| it is the only way to have both gmacs enabled | ||
| and avoid corruption of the packets on brigded | ||
| lanX interfaces. | ||
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| Signed-off-by: Alexey Loukianov <[email protected]> | ||
| --- | ||
| .../0067-dts-bpi-r2-fix-second-gmac.patch | 20 +++++++++++++++++++ | ||
| 1 file changed, 20 insertions(+) | ||
| create mode 100644 target/linux/mediatek/patches-4.14/0067-dts-bpi-r2-fix-second-gmac.patch | ||
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| diff --git a/target/linux/mediatek/patches-4.14/0067-dts-bpi-r2-fix-second-gmac.patch b/target/linux/mediatek/patches-4.14/0067-dts-bpi-r2-fix-second-gmac.patch | ||
| new file mode 100644 | ||
| index 0000000000..145c188972 | ||
| --- /dev/null | ||
| +++ b/target/linux/mediatek/patches-4.14/0067-dts-bpi-r2-fix-second-gmac.patch | ||
| @@ -0,0 +1,20 @@ | ||
| +--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts | ||
| ++++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts | ||
| +@@ -141,7 +141,7 @@ | ||
| + gmac1: mac@1 { | ||
| + compatible = "mediatek,eth-mac"; | ||
| + reg = <1>; | ||
| +- phy-mode = "rgmii"; | ||
| ++ phy-mode = "trgmii"; | ||
| + | ||
| + fixed-link { | ||
| + speed = <1000>; | ||
| +@@ -206,7 +206,7 @@ | ||
| + reg = <5>; | ||
| + label = "cpu"; | ||
| + ethernet = <&gmac1>; | ||
| +- phy-mode = "rgmii"; | ||
| ++ phy-mode = "trgmii"; | ||
| + | ||
| + fixed-link { | ||
| + speed = <1000>; | ||
| -- | ||
| 2.23.0 | ||
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