tethering bpf offloading toggle, swlan0 tethering device

Tethering-nobpf/Android.mk

@@ -0,0 +1,8 @@
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+LOCAL_MODULE_TAGS := optional
+LOCAL_PACKAGE_NAME := treble-overlay-tethering-nobpf
+LOCAL_MODULE_PATH := $(TARGET_OUT_PRODUCT)/overlay
+LOCAL_IS_RUNTIME_RESOURCE_OVERLAY := true
+LOCAL_PRIVATE_PLATFORM_APIS := true
+include $(BUILD_PACKAGE)

Tethering-nobpf/AndroidManifest.xml

@@ -0,0 +1,12 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+        package="me.phh.treble.overlay.tethering.nobpf"
+        android:versionCode="1"
+        android:versionName="1.0">
+        <overlay
+		android:priority="10"
+		    android:requiredSystemPropertyName="persist.sys.phh.tethering.nobpf"
+		    android:requiredSystemPropertyValue="1"
+            android:targetPackage="com.android.networkstack.tethering"
+            android:targetName="TetheringConfig"
+		android:isStatic="true" />
+</manifest>

Tethering-nobpf/res/values/config.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <bool translatable="false" name="config_tether_enable_bpf_offload">false</bool>
+</resources>

Tethering/res/values/config.xml

@@ -4,6 +4,7 @@
         <item>"wlan\\d"</item>
         <item>"softap\\d"</item>
         <item>"ap\\d"</item>
+        <item>"swlan0"</item>
     </string-array>
     <string-array translatable="false" name="config_tether_bluetooth_regexs">
         <item>"bt-pan"</item>

overlay.mk

@@ -203,6 +203,7 @@ PRODUCT_PACKAGES += \
 	treble-overlay-teracube-2e \
 	treble-overlay-teracube-v7101o \
 	treble-overlay-tethering \
+	treble-overlay-tethering-nobpf \
 	treble-overlay-umidigi-A3S \
 	treble-overlay-umidigi-power \
 	treble-overlay-unihertz-jelly2 \