diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 4fe418a..7d5db85 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -37,6 +37,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.provider.Settings;
+import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.util.ArrayMap;
 import android.util.Log;
@@ -1283,9 +1284,15 @@
         if (b != null) {
             try {
                 ITelephony it = ITelephony.Stub.asInterface(b);
-                return it.getDataEnabled();
+                int subId = SubscriptionManager.getDefaultDataSubId();
+                Log.d("ConnectivityManager", "getMobileDataEnabled()+ subId=" + subId);
+                boolean retVal = it.getDataEnabled(subId);
+                Log.d("ConnectivityManager", "getMobileDataEnabled()- subId=" + subId
+                        + " retVal=" + retVal);
+                return retVal;
             } catch (RemoteException e) { }
         }
+        Log.d("ConnectivityManager", "getMobileDataEnabled()- remote exception retVal=false");
         return false;
     }
 
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index 8021210..d9921a6 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -68,9 +68,6 @@
 
     boolean requestRouteToHostAddress(int networkType, in byte[] hostAddress);
 
-    /** Policy control over specific {@link NetworkStateTracker}. */
-    void setPolicyDataEnable(int networkType, boolean enabled);
-
     int tether(String iface);
 
     int untether(String iface);
diff --git a/core/java/android/net/NetworkMisc.java b/core/java/android/net/NetworkMisc.java
index 5d2a43d..b92c9e3 100644
--- a/core/java/android/net/NetworkMisc.java
+++ b/core/java/android/net/NetworkMisc.java
@@ -20,15 +20,18 @@
 import android.os.Parcelable;
 
 /**
- * A grab-bag of information (metadata, policies, properties, etc) about a {@link Network}.
+ * A grab-bag of information (metadata, policies, properties, etc) about a
+ * {@link Network}. Since this contains PII, it should not be sent outside the
+ * system.
  *
  * @hide
  */
 public class NetworkMisc implements Parcelable {
 
     /**
-     * If the {@link Network} is a VPN, whether apps are allowed to bypass the VPN. This is set by
-     * a {@link VpnService} and used by {@link ConnectivityService} when creating a VPN.
+     * If the {@link Network} is a VPN, whether apps are allowed to bypass the
+     * VPN. This is set by a {@link VpnService} and used by
+     * {@link ConnectivityManager} when creating a VPN.
      */
     public boolean allowBypass;
 
@@ -41,6 +44,11 @@
      */
     public boolean explicitlySelected;
 
+    /**
+     * For mobile networks, this is the subscriber ID (such as IMSI).
+     */
+    public String subscriberId;
+
     public NetworkMisc() {
     }
 
@@ -48,6 +56,7 @@
         if (nm != null) {
             allowBypass = nm.allowBypass;
             explicitlySelected = nm.explicitlySelected;
+            subscriberId = nm.subscriberId;
         }
     }
 
@@ -60,6 +69,7 @@
     public void writeToParcel(Parcel out, int flags) {
         out.writeInt(allowBypass ? 1 : 0);
         out.writeInt(explicitlySelected ? 1 : 0);
+        out.writeString(subscriberId);
     }
 
     public static final Creator<NetworkMisc> CREATOR = new Creator<NetworkMisc>() {
@@ -68,6 +78,7 @@
             NetworkMisc networkMisc = new NetworkMisc();
             networkMisc.allowBypass = in.readInt() != 0;
             networkMisc.explicitlySelected = in.readInt() != 0;
+            networkMisc.subscriberId = in.readString();
             return networkMisc;
         }
 
diff --git a/core/java/android/net/NetworkState.java b/core/java/android/net/NetworkState.java
index d26c70d..933287f 100644
--- a/core/java/android/net/NetworkState.java
+++ b/core/java/android/net/NetworkState.java
@@ -30,16 +30,10 @@
     public final LinkProperties linkProperties;
     public final NetworkCapabilities networkCapabilities;
     public final Network network;
-    /** Currently only used by testing. */
     public final String subscriberId;
     public final String networkId;
 
     public NetworkState(NetworkInfo networkInfo, LinkProperties linkProperties,
-            NetworkCapabilities networkCapabilities, Network network) {
-        this(networkInfo, linkProperties, networkCapabilities, network, null, null);
-    }
-
-    public NetworkState(NetworkInfo networkInfo, LinkProperties linkProperties,
             NetworkCapabilities networkCapabilities, Network network, String subscriberId,
             String networkId) {
         this.networkInfo = networkInfo;
@@ -85,5 +79,4 @@
             return new NetworkState[size];
         }
     };
-
 }
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index c1450cb..e11fa93 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -20,22 +20,8 @@
 import static android.Manifest.permission.RECEIVE_DATA_ACTIVITY_CHANGE;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE;
-import static android.net.ConnectivityManager.TYPE_BLUETOOTH;
-import static android.net.ConnectivityManager.TYPE_DUMMY;
-import static android.net.ConnectivityManager.TYPE_MOBILE;
-import static android.net.ConnectivityManager.TYPE_MOBILE_CBS;
-import static android.net.ConnectivityManager.TYPE_MOBILE_DUN;
-import static android.net.ConnectivityManager.TYPE_MOBILE_FOTA;
-import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI;
-import static android.net.ConnectivityManager.TYPE_MOBILE_IA;
-import static android.net.ConnectivityManager.TYPE_MOBILE_IMS;
-import static android.net.ConnectivityManager.TYPE_MOBILE_MMS;
-import static android.net.ConnectivityManager.TYPE_MOBILE_SUPL;
 import static android.net.ConnectivityManager.TYPE_NONE;
-import static android.net.ConnectivityManager.TYPE_PROXY;
 import static android.net.ConnectivityManager.TYPE_VPN;
-import static android.net.ConnectivityManager.TYPE_WIFI;
-import static android.net.ConnectivityManager.TYPE_WIMAX;
 import static android.net.ConnectivityManager.getNetworkTypeName;
 import static android.net.ConnectivityManager.isNetworkTypeValid;
 import static android.net.NetworkPolicyManager.RULE_ALLOW_ALL;
@@ -45,11 +31,9 @@
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
-import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.ContentResolver;
 import android.content.Context;
-import android.content.ContextWrapper;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
@@ -62,7 +46,6 @@
 import android.net.INetworkPolicyListener;
 import android.net.INetworkPolicyManager;
 import android.net.INetworkStatsService;
-import android.net.LinkAddress;
 import android.net.LinkProperties;
 import android.net.LinkProperties.CompareResult;
 import android.net.MobileDataStateTracker;
@@ -72,7 +55,6 @@
 import android.net.NetworkConfig;
 import android.net.NetworkInfo;
 import android.net.NetworkInfo.DetailedState;
-import android.net.NetworkFactory;
 import android.net.NetworkMisc;
 import android.net.NetworkQuotaInfo;
 import android.net.NetworkRequest;
@@ -80,16 +62,12 @@
 import android.net.NetworkStateTracker;
 import android.net.NetworkUtils;
 import android.net.Proxy;
-import android.net.ProxyDataTracker;
 import android.net.ProxyInfo;
 import android.net.RouteInfo;
 import android.net.SamplingDataTracker;
 import android.net.UidRange;
 import android.net.Uri;
-import android.net.wimax.WimaxManagerConstants;
-import android.os.AsyncTask;
 import android.os.Binder;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.FileUtils;
 import android.os.Handler;
@@ -103,7 +81,6 @@
 import android.os.PowerManager;
 import android.os.Process;
 import android.os.RemoteException;
-import android.os.ServiceManager;
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.os.UserHandle;
@@ -126,9 +103,6 @@
 import com.android.internal.net.VpnConfig;
 import com.android.internal.net.VpnProfile;
 import com.android.internal.telephony.DctConstants;
-import com.android.internal.telephony.Phone;
-import com.android.internal.telephony.PhoneConstants;
-import com.android.internal.telephony.TelephonyIntents;
 import com.android.internal.util.AsyncChannel;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.internal.util.XmlUtils;
@@ -146,8 +120,6 @@
 import com.google.android.collect.Lists;
 import com.google.android.collect.Sets;
 
-import dalvik.system.DexClassLoader;
-
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
 
@@ -157,31 +129,20 @@
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.PrintWriter;
-import java.lang.reflect.Constructor;
-import java.net.HttpURLConnection;
 import java.net.Inet4Address;
-import java.net.Inet6Address;
 import java.net.InetAddress;
-import java.net.URL;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.GregorianCalendar;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
-import java.util.Random;
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import javax.net.ssl.HostnameVerifier;
-import javax.net.ssl.HttpsURLConnection;
-import javax.net.ssl.SSLSession;
-
 /**
  * @hide
  */
@@ -270,6 +231,7 @@
     private static ConnectivityService sServiceInstance;
 
     private INetworkManagementService mNetd;
+    private INetworkStatsService mStatsService;
     private INetworkPolicyManager mPolicyManager;
 
     private String mCurrentTcpBufferSizes;
@@ -328,12 +290,6 @@
     private static final int EVENT_SEND_STICKY_BROADCAST_INTENT = 11;
 
     /**
-     * Used internally to
-     * {@link NetworkStateTracker#setPolicyDataEnable(boolean)}.
-     */
-    private static final int EVENT_SET_POLICY_DATA_ENABLE = 12;
-
-    /**
      * Used internally to disable fail fast of mobile data
      */
     private static final int EVENT_ENABLE_FAIL_FAST_MOBILE_DATA = 14;
@@ -675,6 +631,7 @@
 
         mContext = checkNotNull(context, "missing Context");
         mNetd = checkNotNull(netManager, "missing INetworkManagementService");
+        mStatsService = checkNotNull(statsService, "missing INetworkStatsService");
         mPolicyManager = checkNotNull(policyManager, "missing INetworkPolicyManager");
         mKeyStore = KeyStore.getInstance();
         mTelephonyManager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
@@ -839,6 +796,7 @@
         LinkProperties lp = null;
         NetworkCapabilities nc = null;
         Network network = null;
+        String subscriberId = null;
 
         if (mLegacyTypeTracker.isTypeSupported(networkType)) {
             NetworkAgentInfo nai = mLegacyTypeTracker.getNetworkForType(networkType);
@@ -848,6 +806,7 @@
                     lp = new LinkProperties(nai.linkProperties);
                     nc = new NetworkCapabilities(nai.networkCapabilities);
                     network = new Network(nai.network);
+                    subscriberId = (nai.networkMisc != null) ? nai.networkMisc.subscriberId : null;
                 }
                 info.setType(networkType);
             } else {
@@ -861,7 +820,7 @@
             info = getFilteredNetworkInfo(info, lp, uid);
         }
 
-        return new NetworkState(info, lp, nc, network);
+        return new NetworkState(info, lp, nc, network, subscriberId, null);
     }
 
     private NetworkAgentInfo getNetworkAgentInfoForNetwork(Network network) {
@@ -878,6 +837,7 @@
         LinkProperties lp = null;
         NetworkCapabilities nc = null;
         Network network = null;
+        String subscriberId = null;
 
         NetworkAgentInfo nai = mNetworkForRequestId.get(mDefaultRequest.requestId);
 
@@ -909,10 +869,11 @@
                 lp = new LinkProperties(nai.linkProperties);
                 nc = new NetworkCapabilities(nai.networkCapabilities);
                 network = new Network(nai.network);
+                subscriberId = (nai.networkMisc != null) ? nai.networkMisc.subscriberId : null;
             }
         }
 
-        return new NetworkState(info, lp, nc, network);
+        return new NetworkState(info, lp, nc, network, subscriberId, null);
     }
 
     /**
@@ -1209,14 +1170,19 @@
 
     @Override
     public NetworkState[] getAllNetworkState() {
-        enforceAccessPermission();
-        final int uid = Binder.getCallingUid();
+        // Require internal since we're handing out IMSI details
+        enforceConnectivityInternalPermission();
+
         final ArrayList<NetworkState> result = Lists.newArrayList();
-        for (int networkType = 0; networkType <= ConnectivityManager.MAX_NETWORK_TYPE;
-                networkType++) {
-            NetworkState state = getFilteredNetworkState(networkType, uid);
-            if (state.networkInfo != null) {
-                result.add(state);
+        for (Network network : getAllNetworks()) {
+            final NetworkAgentInfo nai = getNetworkAgentInfoForNetwork(network);
+            if (nai != null) {
+                synchronized (nai) {
+                    final String subscriberId = (nai.networkMisc != null)
+                            ? nai.networkMisc.subscriberId : null;
+                    result.add(new NetworkState(nai.networkInfo, nai.linkProperties,
+                            nai.networkCapabilities, network, subscriberId, null));
+                }
             }
         }
         return result.toArray(new NetworkState[result.size()]);
@@ -1441,25 +1407,6 @@
         }
     };
 
-    @Override
-    public void setPolicyDataEnable(int networkType, boolean enabled) {
-        // only someone like NPMS should only be calling us
-        mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
-
-        mHandler.sendMessage(mHandler.obtainMessage(
-                EVENT_SET_POLICY_DATA_ENABLE, networkType, (enabled ? ENABLED : DISABLED)));
-    }
-
-    private void handleSetPolicyDataEnable(int networkType, boolean enabled) {
-   // TODO - handle this passing to factories
-//        if (isNetworkTypeValid(networkType)) {
-//            final NetworkStateTracker tracker = mNetTrackers[networkType];
-//            if (tracker != null) {
-//                tracker.setPolicyDataEnable(enabled);
-//            }
-//        }
-    }
-
     private void enforceInternetPermission() {
         mContext.enforceCallingOrSelfPermission(
                 android.Manifest.permission.INTERNET,
@@ -2188,6 +2135,7 @@
             if (isDefaultNetwork(nai)) {
                 mDefaultInetConditionPublished = 0;
             }
+            notifyIfacesChanged();
             notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_LOST);
             nai.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_DISCONNECTED);
             mNetworkAgentInfos.remove(msg.replyTo);
@@ -2424,12 +2372,6 @@
                     sendStickyBroadcast(intent);
                     break;
                 }
-                case EVENT_SET_POLICY_DATA_ENABLE: {
-                    final int networkType = msg.arg1;
-                    final boolean enabled = msg.arg2 == ENABLED;
-                    handleSetPolicyDataEnable(networkType, enabled);
-                    break;
-                }
                 case EVENT_ENABLE_FAIL_FAST_MOBILE_DATA: {
                     int tag = mEnableFailFastMobileDataTag.get();
                     if (msg.arg1 == tag) {
@@ -3688,6 +3630,7 @@
         if (isDefaultNetwork(networkAgent)) handleApplyDefaultProxy(newLp.getHttpProxy());
         // TODO - move this check to cover the whole function
         if (!Objects.equals(newLp, oldLp)) {
+            notifyIfacesChanged();
             notifyNetworkCallbacks(networkAgent, ConnectivityManager.CALLBACK_IP_CHANGED);
         }
     }
@@ -3825,7 +3768,6 @@
         mNumDnsEntries = last;
     }
 
-
     private void updateCapabilities(NetworkAgentInfo networkAgent,
             NetworkCapabilities networkCapabilities) {
         if (!Objects.equals(networkAgent.networkCapabilities, networkCapabilities)) {
@@ -4279,6 +4221,7 @@
             }
             networkAgent.created = true;
             updateLinkProperties(networkAgent, null);
+            notifyIfacesChanged();
             notifyNetworkCallbacks(networkAgent, ConnectivityManager.CALLBACK_PRECHECK);
             networkAgent.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_CONNECTED);
             if (networkAgent.isVPN()) {
@@ -4421,6 +4364,16 @@
         return "UNKNOWN";
     }
 
+    /**
+     * Notify other system services that set of active ifaces has changed.
+     */
+    private void notifyIfacesChanged() {
+        try {
+            mStatsService.forceUpdateIfaces();
+        } catch (Exception ignored) {
+        }
+    }
+
     @Override
     public boolean addVpnAddress(String address, int prefixLength) {
         throwIfLockdownEnabled();
diff --git a/services/tests/servicestests/src/com/android/server/NetworkStatsServiceTest.java b/services/tests/servicestests/src/com/android/server/NetworkStatsServiceTest.java
index f9a03fc..7383478 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkStatsServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkStatsServiceTest.java
@@ -1023,7 +1023,7 @@
         info.setDetailedState(DetailedState.CONNECTED, null, null);
         final LinkProperties prop = new LinkProperties();
         prop.setInterfaceName(iface);
-        return new NetworkState(info, prop, null, null);
+        return new NetworkState(info, prop, null, null, null, null);
     }
 
     private NetworkStats buildEmptyStats() {