diff --git a/framework-t/Sources.bp b/framework-t/Sources.bp
index 6652780..217a1f6 100644
--- a/framework-t/Sources.bp
+++ b/framework-t/Sources.bp
@@ -154,17 +154,17 @@
     ],
 }
 
+// TODO: remove this empty filegroup.
 filegroup {
     name: "framework-connectivity-tiramisu-sources",
-    srcs: [
-        ":framework-connectivity-ethernet-sources",
-    ],
+    srcs: [],
     visibility: ["//frameworks/base"],
 }
 
 filegroup {
     name: "framework-connectivity-tiramisu-updatable-sources",
     srcs: [
+        ":framework-connectivity-ethernet-sources",
         ":framework-connectivity-ipsec-sources",
         ":framework-connectivity-netstats-sources",
         ":framework-connectivity-nsd-sources",
diff --git a/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java b/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java
index 9bffbfb..61b34d0 100644
--- a/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java
+++ b/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java
@@ -34,8 +34,9 @@
     private ConnectivityFrameworkInitializerTiramisu() {}
 
     /**
-     * Called by {@link SystemServiceRegistry}'s static initializer and registers nsd services to
-     * {@link Context}, so that {@link Context#getSystemService} can return them.
+     * Called by {@link SystemServiceRegistry}'s static initializer and registers NetworkStats, nsd,
+     * ipsec and ethernet services to {@link Context}, so that {@link Context#getSystemService} can
+     * return them.
      *
      * @throws IllegalStateException if this is called anywhere besides
      * {@link SystemServiceRegistry}.
@@ -68,5 +69,14 @@
                     return new NetworkStatsManager(context, service);
                 }
         );
+
+        SystemServiceRegistry.registerContextAwareService(
+                Context.ETHERNET_SERVICE,
+                EthernetManager.class,
+                (context, serviceBinder) -> {
+                    IEthernetManager service = IEthernetManager.Stub.asInterface(serviceBinder);
+                    return new EthernetManager(context, service);
+                }
+        );
     }
 }
diff --git a/framework-t/src/android/net/EthernetManager.java b/framework-t/src/android/net/EthernetManager.java
index eba51c1..793f28d 100644
--- a/framework-t/src/android/net/EthernetManager.java
+++ b/framework-t/src/android/net/EthernetManager.java
@@ -33,7 +33,7 @@
 import android.os.RemoteException;
 
 import com.android.internal.annotations.GuardedBy;
-import com.android.internal.os.BackgroundThread;
+import com.android.modules.utils.BackgroundThread;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;