diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 69ebf40..22be7bf 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -64,4 +64,19 @@
         <item>"softap.*"</item>
     </string-array>
 
+    <!-- List of regexpressions describing the interface (if any) that represent tetherable
+         USB interfaces.  If the device doesn't want to support tethering over USB this should
+         be empty.  An example would be "usb.*" -->
+    <string-array translatable="false" name="config_tether_usb_regexs">
+        <item>"usb\\d"</item>
+        <item>"rndis\\d"</item>
+    </string-array>
+
+    <!-- Array of allowable ConnectivityManager network types for tethering -->
+    <!-- Common options are [1, 4] for TYPE_WIFI and TYPE_MOBILE_DUN or
+         [0,1,5,7] for TYPE_MOBILE, TYPE_WIFI, TYPE_MOBILE_HIPRI and TYPE_BLUETOOTH -->
+    <integer-array translatable="false" name="config_tether_upstream_types">
+        <item>1</item>
+    </integer-array>
+
 </resources>