1 files changed, 9 insertions, 0 deletions
diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index 4457a2284469..e5227548b564 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -119,6 +119,15 @@ public class LinkProperties implements Parcelable {
         return mIfaceName;
     }
 
+    public Collection<String> getAllInterfaceNames() {
+        Collection interfaceNames = new ArrayList<String>(mStackedLinks.size() + 1);
+        interfaceNames.add(new String(mIfaceName));
+        for (LinkProperties stacked: mStackedLinks.values()) {
+            interfaceNames.addAll(stacked.getAllInterfaceNames());
+        }
+        return interfaceNames;
+    }
+
     public Collection<InetAddress> getAddresses() {
         Collection<InetAddress> addresses = new ArrayList<InetAddress>();
         for (LinkAddress linkAddress : mLinkAddresses) {