RK3566板子接通信模组没法ping通百度

firefly_zhongw

android系统，如果手动关闭eth0，接上USB以太网开启eth1的话，要让eth1能够连外网，需要在板子的/vendor/build.prop里添加如下属性：
ro.net.eth_primary=eth1

或者修改SDK源码，重新编译固件

1. diff --git a/device/rockchip/rk356x/rk3566_roc_pc/rk3566_roc_pc.mk b/device/rockchip/rk356x/rk3566_roc_pc/rk3566_roc_pc.mk
   
2. index 963dce12154..e05701e3e3a 100644
   
3. --- a/device/rockchip/rk356x/rk3566_roc_pc/rk3566_roc_pc.mk
   
4. +++ b/device/rockchip/rk356x/rk3566_roc_pc/rk3566_roc_pc.mk
   
5. @@ -45,6 +45,7 @@ PRODUCT_PROPERTY_OVERRIDES += vendor.hwc.device.primary=HDMI-A
   
6. PRODUCT_PROPERTY_OVERRIDES += ro.sf.lcd_density=280
   
7. PRODUCT_PROPERTY_OVERRIDES += ro.wifi.sleep.power.down=true
   
8. PRODUCT_PROPERTY_OVERRIDES += persist.usb.mode=otg
   
9. +PRODUCT_PROPERTY_OVERRIDES += ro.net.eth_primary=eth1
   
10. 
    
11. PRODUCT_COPY_FILES += \
    
12.         device/rockchip/rk356x/rk3566_roc_pc/gps/u-blox.conf:system/etc/u-blox.conf

复制代码