Default Ethernet feature is removed for Android Auto (both Android_Pie9.0 and Android10)
Below are the patched to bring Ethernet feature back to Android Auto. Please try to apply the according patches if you want to enable Ethernet.
For Android_Pie9.0_Auto(example with car2 build):
--- a/arch/arm64/configs/android_car2_defconfig
+++b/arch/arm64/configs/android_car2_defconfig
@@ -245,7 +245,7 @@ CONFIG_DM_VERITY_FEC=y
CONFIG_NETDEVICES=y
CONFIG_MACVTAP=m
CONFIG_TUN=y
-# CONFIG_ETHERNET is not set
+CONFIG_ETHERNET=y
CONFIG_MDIO_BUS_MUX_MMIOREG=m
CONFIG_AT803X_PHY=m
CONFIG_MARVELL_PHY=m
@@ -517,7 +517,7 @@ CONFIG_SQUASHFS=y
CONFIG_SQUASHFS_DECOMP_MULTI=y
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_LZ4=y
-# CONFIG_NETWORK_FILESYSTEMS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
--- a/imx8q/mek_8q/mek_8q.mk
+++ b/imx8q/mek_8q/mek_8q.mk
@@ -46,6 +46,7 @@ PRODUCT_COPY_FILES += \
$(IMX_DEVICE_PATH)/fstab.freescale.car:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.freescale \
$(IMX_DEVICE_PATH)/early.init_car.cfg:$(TARGET_COPY_OUT_VENDOR)/etc/early.init.cfg \
$(IMX_DEVICE_PATH)/required_hardware_auto.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/required_hardware.xml \
+ frameworks/native/data/etc/android.hardware.ethernet.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.ethernet.xml \
device/fsl/imx8q/init.recovery.freescale.car.rc:root/init.recovery.freescale.rc
For Android10_Auto,(example with car build):
--- a/arch/arm64/configs/android_car_defconfig
+++ b/arch/arm64/configs/android_car_defconfig
@@ -23,6 +23,8 @@ CONFIG_SCHED_AUTOGROUP=y
CONFIG_SCHED_TUNE=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
+CONFIG_FEC=y
+CONFIG_AT803X_PHY=y
# CONFIG_RD_BZIP2 is not set
# CONFIG_RD_LZMA is not set
# CONFIG_RD_XZ is not set
@@ -246,7 +248,6 @@ CONFIG_DM_VERITY=y
CONFIG_DM_VERITY_FEC=y
CONFIG_NETDEVICES=y
CONFIG_TUN=y
-# CONFIG_ETHERNET is not set
--- a/imx8q/mek_8q/mek_8q.mk
+++ b/imx8q/mek_8q/mek_8q.mk
@@ -46,6 +46,7 @@ PRODUCT_COPY_FILES += \
$(IMX_DEVICE_PATH)/fstab.freescale.car:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.freescale \
$(IMX_DEVICE_PATH)/early.init_car.cfg:$(TARGET_COPY_OUT_VENDOR)/etc/early.init.cfg \
$(IMX_DEVICE_PATH)/required_hardware_auto.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/required_hardware.xml \
+ frameworks/native/data/etc/android.hardware.ethernet.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.ethernet.xml \
device/fsl/imx8q/init.recovery.freescale.car.rc:root/init.recovery.freescale.rc
Note: Please also check for below file, if fec1 is disabled, please also apply below diff.
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek-car2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek-car2.dts
@@ -147,10 +147,6 @@
status = "disabled";
};
-&fec1 {
- status = "disabled";
-};
-
&fec2 {
status = "disabled";
};
