diff --git a/TEST_MAPPING b/TEST_MAPPING
index 4774866..1e8babf 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -36,6 +36,17 @@
     },
     // CTS tests that target older SDKs.
     {
+      "name": "CtsNetTestCasesMaxTargetSdk30",
+      "options": [
+        {
+          "exclude-annotation": "com.android.testutils.SkipPresubmit"
+        },
+        {
+          "exclude-annotation": "androidx.test.filters.RequiresDevice"
+        }
+      ]
+    },
+    {
       "name": "CtsNetTestCasesMaxTargetSdk31",
       "options": [
         {
@@ -103,6 +114,17 @@
       ]
     },
     {
+      "name": "CtsNetTestCasesMaxTargetSdk30[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]",
+      "options": [
+        {
+          "exclude-annotation": "com.android.testutils.SkipPresubmit"
+        },
+        {
+          "exclude-annotation": "androidx.test.filters.RequiresDevice"
+        }
+      ]
+    },
+    {
       "name": "CtsNetTestCasesMaxTargetSdk31[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]",
       "options": [
         {
diff --git a/Tethering/apex/Android.bp b/Tethering/apex/Android.bp
index a7028b7..60b4e91 100644
--- a/Tethering/apex/Android.bp
+++ b/Tethering/apex/Android.bp
@@ -108,7 +108,10 @@
 
     androidManifest: "AndroidManifest.xml",
 
-    compat_configs: ["connectivity-platform-compat-config"],
+    compat_configs: [
+        "connectivity-platform-compat-config",
+        "connectivity-t-platform-compat-config",
+    ],
 }
 
 apex_key {
diff --git a/Tethering/common/TetheringLib/src/android/net/ITetheringEventCallback.aidl b/Tethering/common/TetheringLib/src/android/net/ITetheringEventCallback.aidl
index b4e3ba4..836761f 100644
--- a/Tethering/common/TetheringLib/src/android/net/ITetheringEventCallback.aidl
+++ b/Tethering/common/TetheringLib/src/android/net/ITetheringEventCallback.aidl
@@ -36,4 +36,5 @@
     void onTetherStatesChanged(in TetherStatesParcel states);
     void onTetherClientsChanged(in List<TetheredClient> clients);
     void onOffloadStatusChanged(int status);
+    void onSupportedTetheringTypes(long supportedBitmap);
 }
diff --git a/Tethering/common/TetheringLib/src/android/net/TetheringCallbackStartedParcel.aidl b/Tethering/common/TetheringLib/src/android/net/TetheringCallbackStartedParcel.aidl
index 253eacb..f33f846 100644
--- a/Tethering/common/TetheringLib/src/android/net/TetheringCallbackStartedParcel.aidl
+++ b/Tethering/common/TetheringLib/src/android/net/TetheringCallbackStartedParcel.aidl
@@ -26,7 +26,7 @@
  * @hide
  */
 parcelable TetheringCallbackStartedParcel {
-    boolean tetheringSupported;
+    long supportedTypes;
     Network upstreamNetwork;
     TetheringConfigurationParcel config;
     TetherStatesParcel states;
diff --git a/Tethering/common/TetheringLib/src/android/net/TetheringManager.java b/Tethering/common/TetheringLib/src/android/net/TetheringManager.java
index 6f9b33e..b3f0cf2 100644
--- a/Tethering/common/TetheringLib/src/android/net/TetheringManager.java
+++ b/Tethering/common/TetheringLib/src/android/net/TetheringManager.java
@@ -183,6 +183,12 @@
      */
     public static final int TETHERING_WIGIG = 6;
 
+    /**
+     * The int value of last tethering type.
+     * @hide
+     */
+    public static final int MAX_TETHERING_TYPE = TETHERING_WIGIG;
+
     /** @hide */
     @Retention(RetentionPolicy.SOURCE)
     @IntDef(value = {
@@ -520,6 +526,9 @@
         }
 
         @Override
+        public void onSupportedTetheringTypes(long supportedBitmap) { }
+
+        @Override
         public void onUpstreamChanged(Network network) { }
 
         @Override
@@ -1033,15 +1042,29 @@
         /**
          * Called when tethering supported status changed.
          *
+         * <p>This callback will be called immediately after the callback is
+         * registered, and never be called if there is changes afterward.
+         *
+         * <p>Tethering may be disabled via system properties, device configuration, or device
+         * policy restrictions.
+         *
+         * @param supported whether any tethering type is supported.
+         */
+        default void onTetheringSupported(boolean supported) {}
+
+        /**
+         * Called when tethering supported status changed.
+         *
          * <p>This will be called immediately after the callback is registered, and may be called
          * multiple times later upon changes.
          *
          * <p>Tethering may be disabled via system properties, device configuration, or device
          * policy restrictions.
          *
-         * @param supported The new supported status
+         * @param supportedTypes a set of @TetheringType which is supported.
+         * @hide
          */
-        default void onTetheringSupported(boolean supported) {}
+        default void onSupportedTetheringTypes(@NonNull Set<Integer> supportedTypes) {}
 
         /**
          * Called when tethering upstream changed.
@@ -1339,7 +1362,8 @@
                 @Override
                 public void onCallbackStarted(TetheringCallbackStartedParcel parcel) {
                     executor.execute(() -> {
-                        callback.onTetheringSupported(parcel.tetheringSupported);
+                        callback.onSupportedTetheringTypes(unpackBits(parcel.supportedTypes));
+                        callback.onTetheringSupported(parcel.supportedTypes != 0);
                         callback.onUpstreamChanged(parcel.upstreamNetwork);
                         sendErrorCallbacks(parcel.states);
                         sendRegexpsChanged(parcel.config);
@@ -1358,6 +1382,13 @@
                     });
                 }
 
+                @Override
+                public void onSupportedTetheringTypes(long supportedBitmap) {
+                    executor.execute(() -> {
+                        callback.onSupportedTetheringTypes(unpackBits(supportedBitmap));
+                    });
+                }
+
                 private void sendRegexpsChanged(TetheringConfigurationParcel parcel) {
                     callback.onTetherableInterfaceRegexpsChanged(new TetheringInterfaceRegexps(
                             parcel.tetherableBluetoothRegexs,
@@ -1396,6 +1427,23 @@
     }
 
     /**
+     * Unpack bitmap to a set of bit position intergers.
+     * @hide
+     */
+    public static ArraySet<Integer> unpackBits(long val) {
+        final ArraySet<Integer> result = new ArraySet<>(Long.bitCount(val));
+        int bitPos = 0;
+        while (val != 0) {
+            if ((val & 1) == 1) result.add(bitPos);
+
+            val = val >>> 1;
+            bitPos++;
+        }
+
+        return result;
+    }
+
+    /**
      * Remove tethering event callback previously registered with
      * {@link #registerTetheringEventCallback}.
      *
diff --git a/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java b/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
index 49442a6..f8169cb 100644
--- a/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
+++ b/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
@@ -905,10 +905,16 @@
 
         if (forwardingPairExists(intIface, extIface)) return;
 
+        boolean firstUpstreamForThisDownstream = !isAnyForwardingPairOnDownstream(intIface);
         boolean firstDownstreamForThisUpstream = !isAnyForwardingPairOnUpstream(extIface);
         forwardingPairAdd(intIface, extIface);
 
-        mBpfCoordinatorShim.attachProgram(intIface, UPSTREAM);
+        // Attach if the downstream is the first time to be used in a forwarding pair.
+        // Ex: IPv6 only interface has two forwarding pair, iface and v4-iface, on the
+        // same downstream.
+        if (firstUpstreamForThisDownstream) {
+            mBpfCoordinatorShim.attachProgram(intIface, UPSTREAM);
+        }
         // Attach if the upstream is the first time to be used in a forwarding pair.
         if (firstDownstreamForThisUpstream) {
             mBpfCoordinatorShim.attachProgram(extIface, DOWNSTREAM);
@@ -922,7 +928,9 @@
         forwardingPairRemove(intIface, extIface);
 
         // Detaching program may fail because the interface has been removed already.
-        mBpfCoordinatorShim.detachProgram(intIface);
+        if (!isAnyForwardingPairOnDownstream(intIface)) {
+            mBpfCoordinatorShim.detachProgram(intIface);
+        }
         // Detach if no more forwarding pair is using the upstream.
         if (!isAnyForwardingPairOnUpstream(extIface)) {
             mBpfCoordinatorShim.detachProgram(extIface);
@@ -1827,6 +1835,13 @@
         return mForwardingPairs.containsKey(extIface);
     }
 
+    private boolean isAnyForwardingPairOnDownstream(@NonNull String intIface) {
+        for (final HashSet downstreams : mForwardingPairs.values()) {
+            if (downstreams.contains(intIface)) return true;
+        }
+        return false;
+    }
+
     @NonNull
     private NetworkStats buildNetworkStats(@NonNull StatsType type, int ifIndex,
             @NonNull final ForwardedStats diff) {
diff --git a/Tethering/src/com/android/networkstack/tethering/Tethering.java b/Tethering/src/com/android/networkstack/tethering/Tethering.java
index 89ed620..75f63c8 100644
--- a/Tethering/src/com/android/networkstack/tethering/Tethering.java
+++ b/Tethering/src/com/android/networkstack/tethering/Tethering.java
@@ -281,6 +281,11 @@
     private BluetoothPan mBluetoothPan;
     private PanServiceListener mBluetoothPanListener;
     private ArrayList<Pair<Boolean, IIntResultListener>> mPendingPanRequests;
+    // AIDL doesn't support Set<Integer>. Maintain a int bitmap here. When the bitmap is passed to
+    // TetheringManager, TetheringManager would convert it to a set of Integer types.
+    // mSupportedTypeBitmap should always be updated inside tethering internal thread but it may be
+    // read from binder thread which called TetheringService directly.
+    private volatile long mSupportedTypeBitmap;
 
     public Tethering(TetheringDependencies deps) {
         mLog.mark("Tethering.constructed");
@@ -512,6 +517,8 @@
         mUpstreamNetworkMonitor.setUpstreamConfig(mConfig.chooseUpstreamAutomatically,
                 mConfig.isDunRequired);
         reportConfigurationChanged(mConfig.toStableParcelable());
+
+        updateSupportedDownstreams(mConfig);
     }
 
     private void maybeDunSettingChanged() {
@@ -1550,26 +1557,6 @@
         return mConfig;
     }
 
-    boolean hasAnySupportedDownstream() {
-        if ((mConfig.tetherableUsbRegexs.length != 0)
-                || (mConfig.tetherableWifiRegexs.length != 0)
-                || (mConfig.tetherableBluetoothRegexs.length != 0)) {
-            return true;
-        }
-
-        // Before T, isTetheringSupported would return true if wifi, usb and bluetooth tethering are
-        // disabled (whole tethering settings would be hidden). This means tethering would also not
-        // support wifi p2p, ethernet tethering and mirrorlink. This is wrong but probably there are
-        // some devices in the field rely on this to disable tethering entirely.
-        if (!SdkLevel.isAtLeastT()) return false;
-
-        return (mConfig.tetherableWifiP2pRegexs.length != 0)
-                || (mConfig.tetherableNcmRegexs.length != 0)
-                || isEthernetSupported();
-    }
-
-    // TODO: using EtherentManager new API to check whether ethernet is supported when the API is
-    // ready to use.
     private boolean isEthernetSupported() {
         return mContext.getSystemService(Context.ETHERNET_SERVICE) != null;
     }
@@ -2359,7 +2346,7 @@
         mHandler.post(() -> {
             mTetheringEventCallbacks.register(callback, new CallbackCookie(hasListPermission));
             final TetheringCallbackStartedParcel parcel = new TetheringCallbackStartedParcel();
-            parcel.tetheringSupported = isTetheringSupported();
+            parcel.supportedTypes = mSupportedTypeBitmap;
             parcel.upstreamNetwork = mTetherUpstream;
             parcel.config = mConfig.toStableParcelable();
             parcel.states =
@@ -2398,6 +2385,22 @@
         });
     }
 
+    private void reportTetheringSupportedChange(final long supportedBitmap) {
+        final int length = mTetheringEventCallbacks.beginBroadcast();
+        try {
+            for (int i = 0; i < length; i++) {
+                try {
+                    mTetheringEventCallbacks.getBroadcastItem(i).onSupportedTetheringTypes(
+                            supportedBitmap);
+                } catch (RemoteException e) {
+                    // Not really very much to do here.
+                }
+            }
+        } finally {
+            mTetheringEventCallbacks.finishBroadcast();
+        }
+    }
+
     private void reportUpstreamChanged(UpstreamNetworkState ns) {
         final int length = mTetheringEventCallbacks.beginBroadcast();
         final Network network = (ns != null) ? ns.network : null;
@@ -2482,18 +2485,56 @@
         }
     }
 
+    private void updateSupportedDownstreams(final TetheringConfiguration config) {
+        final long preSupportedBitmap = mSupportedTypeBitmap;
+
+        if (!isTetheringAllowed() || mEntitlementMgr.isProvisioningNeededButUnavailable()) {
+            mSupportedTypeBitmap = 0;
+        } else {
+            mSupportedTypeBitmap = makeSupportedDownstreams(config);
+        }
+
+        if (preSupportedBitmap != mSupportedTypeBitmap) {
+            reportTetheringSupportedChange(mSupportedTypeBitmap);
+        }
+    }
+
+    private long makeSupportedDownstreams(final TetheringConfiguration config) {
+        long types = 0;
+        if (config.tetherableUsbRegexs.length != 0) types |= (1 << TETHERING_USB);
+
+        if (config.tetherableWifiRegexs.length != 0) types |= (1 << TETHERING_WIFI);
+
+        if (config.tetherableBluetoothRegexs.length != 0) types |= (1 << TETHERING_BLUETOOTH);
+
+        // Before T, isTetheringSupported would return true if wifi, usb and bluetooth tethering are
+        // disabled (whole tethering settings would be hidden). This means tethering would also not
+        // support wifi p2p, ethernet tethering and mirrorlink. This is wrong but probably there are
+        // some devices in the field rely on this to disable tethering entirely.
+        if (!SdkLevel.isAtLeastT() && types == 0) return types;
+
+        if (config.tetherableNcmRegexs.length != 0) types |= (1 << TETHERING_NCM);
+
+        if (config.tetherableWifiP2pRegexs.length != 0) types |= (1 << TETHERING_WIFI_P2P);
+
+        if (isEthernetSupported()) types |= (1 << TETHERING_ETHERNET);
+
+        return types;
+    }
+
     // if ro.tether.denied = true we default to no tethering
     // gservices could set the secure setting to 1 though to enable it on a build where it
     // had previously been turned off.
-    boolean isTetheringSupported() {
+    boolean isTetheringAllowed() {
         final int defaultVal = mDeps.isTetheringDenied() ? 0 : 1;
         final boolean tetherSupported = Settings.Global.getInt(mContext.getContentResolver(),
                 Settings.Global.TETHER_SUPPORTED, defaultVal) != 0;
-        final boolean tetherEnabledInSettings = tetherSupported
+        return tetherSupported
                 && !mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING);
+    }
 
-        return tetherEnabledInSettings && hasAnySupportedDownstream()
-                && !mEntitlementMgr.isProvisioningNeededButUnavailable();
+    boolean isTetheringSupported() {
+        return mSupportedTypeBitmap > 0;
     }
 
     private void dumpBpf(IndentingPrintWriter pw) {
@@ -2731,7 +2772,8 @@
         // If we don't care about this type of interface, ignore.
         final int interfaceType = ifaceNameToType(iface);
         if (!checkTetherableType(interfaceType)) {
-            mLog.log(iface + " is used for " + interfaceType + " which is not tetherable");
+            mLog.log(iface + " is used for " + interfaceType + " which is not tetherable"
+                     + " (-1 == INVALID is expected on upstream interface)");
             return;
         }
 
diff --git a/Tethering/src/com/android/networkstack/tethering/TetheringService.java b/Tethering/src/com/android/networkstack/tethering/TetheringService.java
index f147e10..96ddfa0 100644
--- a/Tethering/src/com/android/networkstack/tethering/TetheringService.java
+++ b/Tethering/src/com/android/networkstack/tethering/TetheringService.java
@@ -237,7 +237,7 @@
                     listener.onResult(TETHER_ERROR_NO_CHANGE_TETHERING_PERMISSION);
                     return true;
                 }
-                if (!mTethering.isTetheringSupported()) {
+                if (!mTethering.isTetheringSupported() || !mTethering.isTetheringAllowed()) {
                     listener.onResult(TETHER_ERROR_UNSUPPORTED);
                     return true;
                 }
@@ -255,7 +255,7 @@
                 receiver.send(TETHER_ERROR_NO_CHANGE_TETHERING_PERMISSION, null);
                 return true;
             }
-            if (!mTethering.isTetheringSupported()) {
+            if (!mTethering.isTetheringSupported() || !mTethering.isTetheringAllowed()) {
                 receiver.send(TETHER_ERROR_UNSUPPORTED, null);
                 return true;
             }
diff --git a/Tethering/tests/integration/Android.bp b/Tethering/tests/integration/Android.bp
index ca8d3de..9aa2cff 100644
--- a/Tethering/tests/integration/Android.bp
+++ b/Tethering/tests/integration/Android.bp
@@ -79,7 +79,6 @@
     defaults: ["TetheringIntegrationTestsDefaults"],
     test_suites: [
         "device-tests",
-        "mts-tethering",
     ],
     compile_multilib: "both",
     jarjar_rules: ":NetworkStackJarJarRules",
diff --git a/Tethering/tests/integration/src/android/net/EthernetTetheringTest.java b/Tethering/tests/integration/src/android/net/EthernetTetheringTest.java
index 86dca1c..06586e2 100644
--- a/Tethering/tests/integration/src/android/net/EthernetTetheringTest.java
+++ b/Tethering/tests/integration/src/android/net/EthernetTetheringTest.java
@@ -86,7 +86,6 @@
 import com.android.net.module.util.bpf.TetherStatsValue;
 import com.android.net.module.util.structs.Ipv6Header;
 import com.android.testutils.DevSdkIgnoreRule;
-import com.android.testutils.DevSdkIgnoreRule.IgnoreAfter;
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
 import com.android.testutils.DeviceInfoUtils;
 import com.android.testutils.DumpTestUtils;
@@ -144,6 +143,7 @@
     private static final int TX_UDP_PACKET_COUNT = 123;
     private static final long WAIT_RA_TIMEOUT_MS = 2000;
 
+    private static final MacAddress TEST_MAC = MacAddress.fromString("1:2:3:4:5:6");
     private static final LinkAddress TEST_IP4_ADDR = new LinkAddress("10.0.0.1/8");
     private static final LinkAddress TEST_IP6_ADDR = new LinkAddress("2001:db8:1::101/64");
     private static final InetAddress TEST_IP4_DNS = parseNumericAddress("8.8.8.8");
@@ -151,6 +151,8 @@
     private static final IpPrefix TEST_NAT64PREFIX = new IpPrefix("64:ff9b::/96");
     private static final Inet6Address REMOTE_NAT64_ADDR =
             (Inet6Address) parseNumericAddress("64:ff9b::808:808");
+    private static final Inet6Address REMOTE_IP6_ADDR =
+            (Inet6Address) parseNumericAddress("2002:db8:1::515:ca");
     private static final ByteBuffer TEST_REACHABILITY_PAYLOAD =
             ByteBuffer.wrap(new byte[] { (byte) 0x55, (byte) 0xaa });
 
@@ -192,12 +194,13 @@
         mUiAutomation.adoptShellPermissionIdentity(
                 MANAGE_TEST_NETWORKS, NETWORK_SETTINGS, TETHER_PRIVILEGED, ACCESS_NETWORK_STATE,
                 CONNECTIVITY_USE_RESTRICTED_NETWORKS, DUMP);
-        mRunTests = mTm.isTetheringSupported() && mEm != null;
-        assumeTrue(mRunTests);
-
         mHandlerThread = new HandlerThread(getClass().getSimpleName());
         mHandlerThread.start();
         mHandler = new Handler(mHandlerThread.getLooper());
+
+        mRunTests = isEthernetTetheringSupported();
+        assumeTrue(mRunTests);
+
         mTetheredInterfaceRequester = new TetheredInterfaceRequester(mHandler, mEm);
     }
 
@@ -225,7 +228,6 @@
             mHandler.post(() -> reader.stop());
             mDownstreamReader = null;
         }
-        mHandlerThread.quitSafely();
         mTetheredInterfaceRequester.release();
         mEm.setIncludeTestInterfaces(false);
         maybeDeleteTestInterface();
@@ -236,6 +238,7 @@
         try {
             if (mRunTests) cleanUp();
         } finally {
+            mHandlerThread.quitSafely();
             mUiAutomation.dropShellPermissionIdentity();
         }
     }
@@ -410,6 +413,23 @@
         // client, which is not possible in this test.
     }
 
+    private boolean isEthernetTetheringSupported() throws Exception {
+        final CompletableFuture<Boolean> future = new CompletableFuture<>();
+        final TetheringEventCallback callback = new TetheringEventCallback() {
+            @Override
+            public void onSupportedTetheringTypes(Set<Integer> supportedTypes) {
+                future.complete(supportedTypes.contains(TETHERING_ETHERNET));
+            }
+        };
+
+        try {
+            mTm.registerTetheringEventCallback(mHandler::post, callback);
+            return future.get(TIMEOUT_MS, TimeUnit.MILLISECONDS);
+        } finally {
+            mTm.unregisterTetheringEventCallback(callback);
+        }
+    }
+
     private static final class MyTetheringEventCallback implements TetheringEventCallback {
         private final TetheringManager mTm;
         private final CountDownLatch mTetheringStartedLatch = new CountDownLatch(1);
@@ -777,8 +797,7 @@
     }
 
     private void runPing6Test(TetheringTester tester) throws Exception {
-        TetheredDevice tethered = tester.createTetheredDevice(MacAddress.fromString("1:2:3:4:5:6"),
-                true /* hasIpv6 */);
+        TetheredDevice tethered = tester.createTetheredDevice(TEST_MAC, true /* hasIpv6 */);
         Inet6Address remoteIp6Addr = (Inet6Address) parseNumericAddress("2400:222:222::222");
         ByteBuffer request = Ipv6Utils.buildEchoRequestPacket(tethered.macAddr,
                 tethered.routerMacAddr, tethered.ipv6Addr, remoteIp6Addr);
@@ -818,12 +837,10 @@
     private static final short ID = 27149;
     private static final short FLAGS_AND_FRAGMENT_OFFSET = (short) 0x4000; // flags=DF, offset=0
     private static final byte TIME_TO_LIVE = (byte) 0x40;
-    private static final ByteBuffer PAYLOAD =
+    private static final ByteBuffer RX_PAYLOAD =
             ByteBuffer.wrap(new byte[] { (byte) 0x12, (byte) 0x34 });
-    private static final ByteBuffer PAYLOAD2 =
+    private static final ByteBuffer TX_PAYLOAD =
             ByteBuffer.wrap(new byte[] { (byte) 0x56, (byte) 0x78 });
-    private static final ByteBuffer PAYLOAD3 =
-            ByteBuffer.wrap(new byte[] { (byte) 0x9a, (byte) 0xbc });
 
     @NonNull
     private ByteBuffer buildUdpPacket(
@@ -852,7 +869,7 @@
         final PacketBuilder packetBuilder = new PacketBuilder(buffer);
 
         // [1] Ethernet header
-        if (hasEther) packetBuilder.writeL2Header(srcMac, dstMac, (short) ETHER_TYPE_IPV4);
+        if (hasEther) packetBuilder.writeL2Header(srcMac, dstMac, (short) ethType);
 
         // [2] IP header
         if (ipProto == IPPROTO_IP) {
@@ -885,6 +902,68 @@
                 dstPort, payload);
     }
 
+    private boolean isAddressIpv4(@NonNull final  InetAddress srcIp,
+            @NonNull final InetAddress dstIp) {
+        if (srcIp instanceof Inet4Address && dstIp instanceof Inet4Address) return true;
+        if (srcIp instanceof Inet6Address && dstIp instanceof Inet6Address) return false;
+
+        fail("Unsupported conditions: srcIp " + srcIp + ", dstIp " + dstIp);
+        return false;  // unreachable
+    }
+
+    private void sendDownloadPacketUdp(@NonNull final InetAddress srcIp,
+            @NonNull final InetAddress dstIp, @NonNull final TetheringTester tester,
+            boolean is6To4) throws Exception {
+        if (is6To4) {
+            assertFalse("CLAT download test must sends IPv6 packet", isAddressIpv4(srcIp, dstIp));
+        }
+
+        // Expected received UDP packet IP protocol. While testing CLAT (is6To4 = true), the packet
+        // on downstream must be IPv4. Otherwise, the IP protocol of test packet is the same on
+        // both downstream and upstream.
+        final boolean isIpv4 = is6To4 ? true : isAddressIpv4(srcIp, dstIp);
+
+        final ByteBuffer testPacket = buildUdpPacket(srcIp, dstIp, REMOTE_PORT /* srcPort */,
+                LOCAL_PORT /* dstPort */, RX_PAYLOAD);
+        tester.verifyDownload(testPacket, p -> {
+            Log.d(TAG, "Packet in downstream: " + dumpHexString(p));
+            return isExpectedUdpPacket(p, true /* hasEther */, isIpv4, RX_PAYLOAD);
+        });
+    }
+
+    private void sendUploadPacketUdp(@NonNull final MacAddress srcMac,
+            @NonNull final MacAddress dstMac, @NonNull final InetAddress srcIp,
+            @NonNull final InetAddress dstIp, @NonNull final TetheringTester tester,
+            boolean is4To6) throws Exception {
+        if (is4To6) {
+            assertTrue("CLAT upload test must sends IPv4 packet", isAddressIpv4(srcIp, dstIp));
+        }
+
+        // Expected received UDP packet IP protocol. While testing CLAT (is4To6 = true), the packet
+        // on upstream must be IPv6. Otherwise, the IP protocol of test packet is the same on
+        // both downstream and upstream.
+        final boolean isIpv4 = is4To6 ? false : isAddressIpv4(srcIp, dstIp);
+
+        final ByteBuffer testPacket = buildUdpPacket(srcMac, dstMac, srcIp, dstIp,
+                LOCAL_PORT /* srcPort */, REMOTE_PORT /* dstPort */, TX_PAYLOAD);
+        tester.verifyUpload(testPacket, p -> {
+            Log.d(TAG, "Packet in upstream: " + dumpHexString(p));
+            return isExpectedUdpPacket(p, false /* hasEther */, isIpv4, TX_PAYLOAD);
+        });
+    }
+
+    @Test
+    public void testTetherUdpV6() throws Exception {
+        final TetheringTester tester = initTetheringTester(toList(TEST_IP6_ADDR),
+                toList(TEST_IP6_DNS));
+        final TetheredDevice tethered = tester.createTetheredDevice(TEST_MAC, true /* hasIpv6 */);
+        sendUploadPacketUdp(tethered.macAddr, tethered.routerMacAddr,
+                tethered.ipv6Addr, REMOTE_IP6_ADDR, tester, false /* is4To6 */);
+        sendDownloadPacketUdp(REMOTE_IP6_ADDR, tethered.ipv6Addr, tester, false /* is6To4 */);
+
+        // TODO: test BPF offload maps {rule, stats}.
+    }
+
     // TODO: remove ipv4 verification (is4To6 = false) once upstream connected notification race is
     // fixed. See #runUdp4Test.
     //
@@ -916,9 +995,10 @@
         return null;
     }
 
-    private void runUdp4Test(TetheringTester tester, boolean usingBpf) throws Exception {
-        final TetheredDevice tethered = tester.createTetheredDevice(MacAddress.fromString(
-                "1:2:3:4:5:6"), false /* hasIpv6 */);
+    private void runUdp4Test(boolean verifyBpf) throws Exception {
+        final TetheringTester tester = initTetheringTester(toList(TEST_IP4_ADDR),
+                toList(TEST_IP4_DNS));
+        final TetheredDevice tethered = tester.createTetheredDevice(TEST_MAC, false /* hasIpv6 */);
 
         // TODO: remove the connectivity verification for upstream connected notification race.
         // Because async upstream connected notification can't guarantee the tethering routing is
@@ -928,27 +1008,15 @@
         // refactors upstream connected notification from async to sync.
         probeV4TetheringConnectivity(tester, tethered, false /* is4To6 */);
 
-        // Send a UDP packet in original direction.
-        final ByteBuffer originalPacket = buildUdpPacket(tethered.macAddr,
-                tethered.routerMacAddr, tethered.ipv4Addr /* srcIp */,
-                REMOTE_IP4_ADDR /* dstIp */, LOCAL_PORT /* srcPort */, REMOTE_PORT /* dstPort */,
-                PAYLOAD /* payload */);
-        tester.verifyUpload(originalPacket, p -> {
-            Log.d(TAG, "Packet in upstream: " + dumpHexString(p));
-            return isExpectedUdpPacket(p, false /* hasEther */, true /* isIpv4 */, PAYLOAD);
-        });
+        final MacAddress srcMac = tethered.macAddr;
+        final MacAddress dstMac = tethered.routerMacAddr;
+        final InetAddress remoteIp = REMOTE_IP4_ADDR;
+        final InetAddress tetheringUpstreamIp = TEST_IP4_ADDR.getAddress();
+        final InetAddress clientIp = tethered.ipv4Addr;
+        sendUploadPacketUdp(srcMac, dstMac, clientIp, remoteIp, tester, false /* is4To6 */);
+        sendDownloadPacketUdp(remoteIp, tetheringUpstreamIp, tester, false /* is6To4 */);
 
-        // Send a UDP packet in reply direction.
-        final Inet4Address publicIp4Addr = (Inet4Address) TEST_IP4_ADDR.getAddress();
-        final ByteBuffer replyPacket = buildUdpPacket(REMOTE_IP4_ADDR /* srcIp */,
-                publicIp4Addr /* dstIp */, REMOTE_PORT /* srcPort */, LOCAL_PORT /* dstPort */,
-                PAYLOAD2 /* payload */);
-        tester.verifyDownload(replyPacket, p -> {
-            Log.d(TAG, "Packet in downstream: " + dumpHexString(p));
-            return isExpectedUdpPacket(p, true /* hasEther */, true /* isIpv4 */, PAYLOAD2);
-        });
-
-        if (usingBpf) {
+        if (verifyBpf) {
             // Send second UDP packet in original direction.
             // The BPF coordinator only offloads the ASSURED conntrack entry. The "request + reply"
             // packets can make status IPS_SEEN_REPLY to be set. Need one more packet to make
@@ -958,14 +1026,7 @@
             // See kernel upstream commit b7b1d02fc43925a4d569ec221715db2dfa1ce4f5 and
             // nf_conntrack_udp_packet in net/netfilter/nf_conntrack_proto_udp.c
             Thread.sleep(UDP_STREAM_TS_MS);
-            final ByteBuffer originalPacket2 = buildUdpPacket(tethered.macAddr,
-                    tethered.routerMacAddr, tethered.ipv4Addr /* srcIp */,
-                    REMOTE_IP4_ADDR /* dstIp */, LOCAL_PORT /* srcPort */,
-                    REMOTE_PORT /* dstPort */, PAYLOAD3 /* payload */);
-            tester.verifyUpload(originalPacket2, p -> {
-                Log.d(TAG, "Packet in upstream: " + dumpHexString(p));
-                return isExpectedUdpPacket(p, false /* hasEther */, true /* isIpv4 */, PAYLOAD3);
-            });
+            sendUploadPacketUdp(srcMac, dstMac, clientIp, remoteIp, tester, false /* is4To6 */);
 
             // [1] Verify IPv4 upstream rule map.
             final HashMap<Tether4Key, Tether4Value> upstreamMap = pollRawMapFromDump(
@@ -984,7 +1045,7 @@
             assertEquals(REMOTE_PORT, upstream4Key.dstPort);
 
             final Tether4Value upstream4Value = rule.getValue();
-            assertTrue(Arrays.equals(publicIp4Addr.getAddress(),
+            assertTrue(Arrays.equals(tetheringUpstreamIp.getAddress(),
                     InetAddress.getByAddress(upstream4Value.src46).getAddress()));
             assertEquals(LOCAL_PORT, upstream4Value.srcPort);
             assertTrue(Arrays.equals(REMOTE_IP4_ADDR.getAddress(),
@@ -998,18 +1059,13 @@
 
             // Send packets on original direction.
             for (int i = 0; i < TX_UDP_PACKET_COUNT; i++) {
-                tester.verifyUpload(originalPacket, p -> {
-                    Log.d(TAG, "Packet in upstream: " + dumpHexString(p));
-                    return isExpectedUdpPacket(p, false /* hasEther */, true /* isIpv4 */, PAYLOAD);
-                });
+                sendUploadPacketUdp(srcMac, dstMac, clientIp, remoteIp, tester,
+                        false /* is4To6 */);
             }
 
             // Send packets on reply direction.
             for (int i = 0; i < RX_UDP_PACKET_COUNT; i++) {
-                tester.verifyDownload(replyPacket, p -> {
-                    Log.d(TAG, "Packet in downstream: " + dumpHexString(p));
-                    return isExpectedUdpPacket(p, true /* hasEther */, true /* isIpv4 */, PAYLOAD2);
-                });
+                sendDownloadPacketUdp(remoteIp, tetheringUpstreamIp, tester, false /* is6To4 */);
             }
 
             // Dump stats map to verify.
@@ -1068,13 +1124,6 @@
         return new TetheringTester(mDownstreamReader, mUpstreamReader);
     }
 
-    @Test
-    @IgnoreAfter(Build.VERSION_CODES.R)
-    public void testTetherUdpV4UpToR() throws Exception {
-        runUdp4Test(initTetheringTester(toList(TEST_IP4_ADDR), toList(TEST_IP4_DNS)),
-                false /* usingBpf */);
-    }
-
     private static boolean isUdpOffloadSupportedByKernel(final String kernelVersion) {
         final KVersion current = DeviceInfoUtils.getMajorMinorSubminorVersion(kernelVersion);
         return current.isInRange(new KVersion(4, 14, 222), new KVersion(4, 19, 0))
@@ -1101,24 +1150,47 @@
         assertTrue(isUdpOffloadSupportedByKernel("5.10.0"));
     }
 
-    // TODO: refactor test testTetherUdpV4* into IPv4 UDP non-offload and offload tests.
-    // That can be easier to know which feature is verified from test results.
+    private static void assumeKernelSupportBpfOffloadUdpV4() {
+        final String kernelVersion = VintfRuntimeInfo.getKernelVersion();
+        assumeTrue("Kernel version " + kernelVersion + " doesn't support IPv4 UDP BPF offload",
+                isUdpOffloadSupportedByKernel(kernelVersion));
+    }
+
+    @Test
+    public void testKernelSupportBpfOffloadUdpV4() throws Exception {
+        assumeKernelSupportBpfOffloadUdpV4();
+    }
+
+    @Test
+    public void testTetherConfigBpfOffloadEnabled() throws Exception {
+        assumeTrue(isTetherConfigBpfOffloadEnabled());
+    }
+
+    /**
+     * Basic IPv4 UDP tethering test. Verify that UDP tethered packets are transferred no matter
+     * using which data path.
+     */
+    @Test
+    public void testTetherUdpV4() throws Exception {
+        runUdp4Test(false /* verifyBpf */);
+    }
+
+    /**
+     * BPF offload IPv4 UDP tethering test. Verify that UDP tethered packets are offloaded by BPF.
+     * Minimum test requirement:
+     * 1. S+ device.
+     * 2. Tethering config enables tethering BPF offload.
+     * 3. Kernel supports IPv4 UDP BPF offload. See #isUdpOffloadSupportedByKernel.
+     *
+     * TODO: consider enabling the test even tethering config disables BPF offload. See b/238288883
+     */
     @Test
     @IgnoreUpTo(Build.VERSION_CODES.R)
-    public void testTetherUdpV4AfterR() throws Exception {
-        final String kernelVersion = VintfRuntimeInfo.getKernelVersion();
-        final boolean isUdpOffloadSupported = isUdpOffloadSupportedByKernel(kernelVersion);
-        if (!isUdpOffloadSupported) {
-            Log.i(TAG, "testTetherUdpV4AfterR will skip BPF offload test for kernel "
-                    + kernelVersion);
-        }
-        final boolean isTetherConfigBpfOffloadEnabled = isTetherConfigBpfOffloadEnabled();
-        if (!isTetherConfigBpfOffloadEnabled) {
-            Log.i(TAG, "testTetherUdpV4AfterR will skip BPF offload test "
-                    + "because tethering config doesn't enable BPF offload.");
-        }
-        runUdp4Test(initTetheringTester(toList(TEST_IP4_ADDR), toList(TEST_IP4_DNS)),
-                isUdpOffloadSupported && isTetherConfigBpfOffloadEnabled);
+    public void testTetherUdpV4_VerifyBpf() throws Exception {
+        assumeTrue("Tethering config disabled BPF offload", isTetherConfigBpfOffloadEnabled());
+        assumeKernelSupportBpfOffloadUdpV4();
+
+        runUdp4Test(true /* verifyBpf */);
     }
 
     @Nullable
@@ -1218,33 +1290,23 @@
     // sending out an IPv4 packet and extracting the source address from CLAT translated IPv6
     // packet.
     //
-    private void runClatUdpTest(TetheringTester tester) throws Exception {
-        final TetheredDevice tethered = tester.createTetheredDevice(MacAddress.fromString(
-                "1:2:3:4:5:6"), true /* hasIpv6 */);
+    private void runClatUdpTest() throws Exception {
+        // CLAT only starts on IPv6 only network.
+        final TetheringTester tester = initTetheringTester(toList(TEST_IP6_ADDR),
+                toList(TEST_IP6_DNS));
+        final TetheredDevice tethered = tester.createTetheredDevice(TEST_MAC, true /* hasIpv6 */);
 
         // Get CLAT IPv6 address.
-        final Inet6Address clatAddr6 = getClatIpv6Address(tester, tethered);
+        final Inet6Address clatIp6 = getClatIpv6Address(tester, tethered);
 
         // Send an IPv4 UDP packet in original direction.
         // IPv4 packet -- CLAT translation --> IPv6 packet
-        final ByteBuffer originalPacket = buildUdpPacket(tethered.macAddr,
-                tethered.routerMacAddr, tethered.ipv4Addr /* srcIp */,
-                REMOTE_IP4_ADDR /* dstIp */, LOCAL_PORT /* srcPort */, REMOTE_PORT /* dstPort */,
-                PAYLOAD /* payload */);
-        tester.verifyUpload(originalPacket, p -> {
-            Log.d(TAG, "Packet in upstream: " + dumpHexString(p));
-            return isExpectedUdpPacket(p, false /* hasEther */, false /* isIpv4 */, PAYLOAD);
-        });
+        sendUploadPacketUdp(tethered.macAddr, tethered.routerMacAddr, tethered.ipv4Addr,
+                REMOTE_IP4_ADDR, tester, true /* is4To6 */);
 
         // Send an IPv6 UDP packet in reply direction.
         // IPv6 packet -- CLAT translation --> IPv4 packet
-        final ByteBuffer replyPacket = buildUdpPacket(REMOTE_NAT64_ADDR /* srcIp */,
-                clatAddr6 /* dstIp */, REMOTE_PORT /* srcPort */, LOCAL_PORT /* dstPort */,
-                PAYLOAD2 /* payload */);
-        tester.verifyDownload(replyPacket, p -> {
-            Log.d(TAG, "Packet in downstream: " + dumpHexString(p));
-            return isExpectedUdpPacket(p, true /* hasEther */, true /* isIpv4 */, PAYLOAD2);
-        });
+        sendDownloadPacketUdp(REMOTE_NAT64_ADDR, clatIp6, tester, true /* is6To4 */);
 
         // TODO: test CLAT bpf maps.
     }
@@ -1252,8 +1314,7 @@
     @Test
     @IgnoreUpTo(Build.VERSION_CODES.R)
     public void testTetherClatUdp() throws Exception {
-        // CLAT only starts on IPv6 only network.
-        runClatUdpTest(initTetheringTester(toList(TEST_IP6_ADDR), toList(TEST_IP6_DNS)));
+        runClatUdpTest();
     }
 
     private <T> List<T> toList(T... array) {
diff --git a/Tethering/tests/privileged/src/com/android/networkstack/tethering/BpfMapTest.java b/Tethering/tests/privileged/src/com/android/networkstack/tethering/BpfMapTest.java
index 68c1c57..536ab2d 100644
--- a/Tethering/tests/privileged/src/com/android/networkstack/tethering/BpfMapTest.java
+++ b/Tethering/tests/privileged/src/com/android/networkstack/tethering/BpfMapTest.java
@@ -30,6 +30,7 @@
 import android.net.MacAddress;
 import android.os.Build;
 import android.system.ErrnoException;
+import android.system.Os;
 import android.system.OsConstants;
 import android.util.ArrayMap;
 
@@ -42,6 +43,7 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.io.File;
 import java.net.InetAddress;
 import java.util.NoSuchElementException;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -393,4 +395,34 @@
             assertEquals(OsConstants.ENOENT, expected.errno);
         }
     }
+
+    private static int getNumOpenFds() {
+        return new File("/proc/" + Os.getpid() + "/fd").listFiles().length;
+    }
+
+    @Test
+    public void testNoFdLeaks() throws Exception {
+        // Due to #setUp has called #initTestMap to open map and BpfMap is using persistent fd
+        // cache, expect that the fd amount is not increased in the iterations.
+        // See the comment of BpfMap#close.
+        final int iterations = 1000;
+        final int before = getNumOpenFds();
+        for (int i = 0; i < iterations; i++) {
+            try (BpfMap<TetherDownstream6Key, Tether6Value> map = new BpfMap<>(
+                TETHER_DOWNSTREAM6_FS_PATH, BpfMap.BPF_F_RDWR,
+                TetherDownstream6Key.class, Tether6Value.class)) {
+                // do nothing
+            }
+        }
+        final int after = getNumOpenFds();
+
+        // Check that the number of open fds is the same as before.
+        // If this exact match becomes flaky, we probably need to distinguish that fd is belong
+        // to "bpf-map".
+        // ex:
+        // $ adb shell ls -all /proc/16196/fd
+        // [..] network_stack 64 2022-07-26 22:01:02.300002956 +0800 749 -> anon_inode:bpf-map
+        // [..] network_stack 64 2022-07-26 22:01:02.188002956 +0800 75 -> anon_inode:[eventfd]
+        assertEquals("Fd leak after " + iterations + " iterations: ", before, after);
+    }
 }
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/BpfCoordinatorTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/BpfCoordinatorTest.java
index fa1d881..788673a 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/BpfCoordinatorTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/BpfCoordinatorTest.java
@@ -1277,47 +1277,62 @@
         try {
             final String intIface1 = "wlan1";
             final String intIface2 = "rndis0";
-            final String extIface = "rmnet_data0";
+            final String extIface1 = "rmnet_data0";
+            final String extIface2 = "v4-rmnet_data0";
             final String virtualIface = "ipsec0";
             final BpfUtils mockMarkerBpfUtils = staticMockMarker(BpfUtils.class);
             final BpfCoordinator coordinator = makeBpfCoordinator();
 
             // [1] Add the forwarding pair <wlan1, rmnet_data0>. Expect that attach both wlan1 and
             // rmnet_data0.
-            coordinator.maybeAttachProgram(intIface1, extIface);
-            ExtendedMockito.verify(() -> BpfUtils.attachProgram(extIface, DOWNSTREAM));
+            coordinator.maybeAttachProgram(intIface1, extIface1);
+            ExtendedMockito.verify(() -> BpfUtils.attachProgram(extIface1, DOWNSTREAM));
             ExtendedMockito.verify(() -> BpfUtils.attachProgram(intIface1, UPSTREAM));
             ExtendedMockito.verifyNoMoreInteractions(mockMarkerBpfUtils);
             ExtendedMockito.clearInvocations(mockMarkerBpfUtils);
 
             // [2] Add the forwarding pair <wlan1, rmnet_data0> again. Expect no more action.
-            coordinator.maybeAttachProgram(intIface1, extIface);
+            coordinator.maybeAttachProgram(intIface1, extIface1);
             ExtendedMockito.verifyNoMoreInteractions(mockMarkerBpfUtils);
             ExtendedMockito.clearInvocations(mockMarkerBpfUtils);
 
             // [3] Add the forwarding pair <rndis0, rmnet_data0>. Expect that attach rndis0 only.
-            coordinator.maybeAttachProgram(intIface2, extIface);
+            coordinator.maybeAttachProgram(intIface2, extIface1);
             ExtendedMockito.verify(() -> BpfUtils.attachProgram(intIface2, UPSTREAM));
             ExtendedMockito.verifyNoMoreInteractions(mockMarkerBpfUtils);
             ExtendedMockito.clearInvocations(mockMarkerBpfUtils);
 
-            // [4] Remove the forwarding pair <rndis0, rmnet_data0>. Expect detach rndis0 only.
-            coordinator.maybeDetachProgram(intIface2, extIface);
+            // [4] Add the forwarding pair <rndis0, v4-rmnet_data0>. Expect that attach
+            // v4-rmnet_data0 only.
+            coordinator.maybeAttachProgram(intIface2, extIface2);
+            ExtendedMockito.verify(() -> BpfUtils.attachProgram(extIface2, DOWNSTREAM));
+            ExtendedMockito.verifyNoMoreInteractions(mockMarkerBpfUtils);
+            ExtendedMockito.clearInvocations(mockMarkerBpfUtils);
+
+            // [5] Remove the forwarding pair <rndis0, v4-rmnet_data0>. Expect detach
+            // v4-rmnet_data0 only.
+            coordinator.maybeDetachProgram(intIface2, extIface2);
+            ExtendedMockito.verify(() -> BpfUtils.detachProgram(extIface2));
+            ExtendedMockito.verifyNoMoreInteractions(mockMarkerBpfUtils);
+            ExtendedMockito.clearInvocations(mockMarkerBpfUtils);
+
+            // [6] Remove the forwarding pair <rndis0, rmnet_data0>. Expect detach rndis0 only.
+            coordinator.maybeDetachProgram(intIface2, extIface1);
             ExtendedMockito.verify(() -> BpfUtils.detachProgram(intIface2));
             ExtendedMockito.verifyNoMoreInteractions(mockMarkerBpfUtils);
             ExtendedMockito.clearInvocations(mockMarkerBpfUtils);
 
-            // [5] Remove the forwarding pair <wlan1, rmnet_data0>. Expect that detach both wlan1
+            // [7] Remove the forwarding pair <wlan1, rmnet_data0>. Expect that detach both wlan1
             // and rmnet_data0.
-            coordinator.maybeDetachProgram(intIface1, extIface);
-            ExtendedMockito.verify(() -> BpfUtils.detachProgram(extIface));
+            coordinator.maybeDetachProgram(intIface1, extIface1);
+            ExtendedMockito.verify(() -> BpfUtils.detachProgram(extIface1));
             ExtendedMockito.verify(() -> BpfUtils.detachProgram(intIface1));
             ExtendedMockito.verifyNoMoreInteractions(mockMarkerBpfUtils);
             ExtendedMockito.clearInvocations(mockMarkerBpfUtils);
 
-            // [6] Skip attaching if upstream is virtual interface.
+            // [8] Skip attaching if upstream is virtual interface.
             coordinator.maybeAttachProgram(intIface1, virtualIface);
-            ExtendedMockito.verify(() -> BpfUtils.attachProgram(extIface, DOWNSTREAM), never());
+            ExtendedMockito.verify(() -> BpfUtils.attachProgram(extIface1, DOWNSTREAM), never());
             ExtendedMockito.verify(() -> BpfUtils.attachProgram(intIface1, UPSTREAM), never());
             ExtendedMockito.verifyNoMoreInteractions(mockMarkerBpfUtils);
             ExtendedMockito.clearInvocations(mockMarkerBpfUtils);
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringServiceTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringServiceTest.java
index 9db8f16..e114cb5 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringServiceTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringServiceTest.java
@@ -24,6 +24,7 @@
 import static android.net.TetheringManager.TETHER_ERROR_NO_ACCESS_TETHERING_PERMISSION;
 import static android.net.TetheringManager.TETHER_ERROR_NO_CHANGE_TETHERING_PERMISSION;
 import static android.net.TetheringManager.TETHER_ERROR_NO_ERROR;
+import static android.net.TetheringManager.TETHER_ERROR_UNSUPPORTED;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
@@ -139,23 +140,27 @@
     }
 
     private void runAsNoPermission(final TestTetheringCall test) throws Exception {
-        runTetheringCall(test, new String[0]);
+        runTetheringCall(test, true /* isTetheringAllowed */, new String[0]);
     }
 
     private void runAsTetherPrivileged(final TestTetheringCall test) throws Exception {
-        runTetheringCall(test, TETHER_PRIVILEGED);
+        runTetheringCall(test, true /* isTetheringAllowed */, TETHER_PRIVILEGED);
     }
 
     private void runAsAccessNetworkState(final TestTetheringCall test) throws Exception {
-        runTetheringCall(test, ACCESS_NETWORK_STATE);
+        runTetheringCall(test, true /* isTetheringAllowed */, ACCESS_NETWORK_STATE);
     }
 
     private void runAsWriteSettings(final TestTetheringCall test) throws Exception {
-        runTetheringCall(test, WRITE_SETTINGS);
+        runTetheringCall(test, true /* isTetheringAllowed */, WRITE_SETTINGS);
     }
 
-    private void runTetheringCall(final TestTetheringCall test, String... permissions)
-            throws Exception {
+    private void runAsTetheringDisallowed(final TestTetheringCall test) throws Exception {
+        runTetheringCall(test, false /* isTetheringAllowed */, TETHER_PRIVILEGED);
+    }
+
+    private void runTetheringCall(final TestTetheringCall test, boolean isTetheringAllowed,
+            String... permissions) throws Exception {
         // Allow the test to run even if ACCESS_NETWORK_STATE was granted at the APK level
         if (!CollectionUtils.contains(permissions, ACCESS_NETWORK_STATE)) {
             mMockConnector.setPermission(ACCESS_NETWORK_STATE, PERMISSION_DENIED);
@@ -164,6 +169,7 @@
         if (permissions.length > 0) mUiAutomation.adoptShellPermissionIdentity(permissions);
         try {
             when(mTethering.isTetheringSupported()).thenReturn(true);
+            when(mTethering.isTetheringAllowed()).thenReturn(isTetheringAllowed);
             test.runTetheringCall(new TestTetheringResult());
         } finally {
             mUiAutomation.dropShellPermissionIdentity();
@@ -180,6 +186,7 @@
     private void runTether(final TestTetheringResult result) throws Exception {
         mTetheringConnector.tether(TEST_IFACE_NAME, TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG, result);
         verify(mTethering).isTetheringSupported();
+        verify(mTethering).isTetheringAllowed();
         verify(mTethering).tether(TEST_IFACE_NAME, IpServer.STATE_TETHERED, result);
     }
 
@@ -203,12 +210,22 @@
             verify(mTethering).isTetherProvisioningRequired();
             verifyNoMoreInteractionsForTethering();
         });
+
+        runAsTetheringDisallowed((result) -> {
+            mTetheringConnector.tether(TEST_IFACE_NAME, TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG,
+                    result);
+            verify(mTethering).isTetheringSupported();
+            verify(mTethering).isTetheringAllowed();
+            result.assertResult(TETHER_ERROR_UNSUPPORTED);
+            verifyNoMoreInteractionsForTethering();
+        });
     }
 
     private void runUnTether(final TestTetheringResult result) throws Exception {
         mTetheringConnector.untether(TEST_IFACE_NAME, TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG,
                 result);
         verify(mTethering).isTetheringSupported();
+        verify(mTethering).isTetheringAllowed();
         verify(mTethering).untether(eq(TEST_IFACE_NAME), eq(result));
     }
 
@@ -232,6 +249,15 @@
             verify(mTethering).isTetherProvisioningRequired();
             verifyNoMoreInteractionsForTethering();
         });
+
+        runAsTetheringDisallowed((result) -> {
+            mTetheringConnector.untether(TEST_IFACE_NAME, TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG,
+                    result);
+            verify(mTethering).isTetheringSupported();
+            verify(mTethering).isTetheringAllowed();
+            result.assertResult(TETHER_ERROR_UNSUPPORTED);
+            verifyNoMoreInteractionsForTethering();
+        });
     }
 
     private void runSetUsbTethering(final TestTetheringResult result) throws Exception {
@@ -243,6 +269,7 @@
         mTetheringConnector.setUsbTethering(true /* enable */, TEST_CALLER_PKG,
                 TEST_ATTRIBUTION_TAG, result);
         verify(mTethering).isTetheringSupported();
+        verify(mTethering).isTetheringAllowed();
         verify(mTethering).setUsbTethering(eq(true) /* enable */, any(IIntResultListener.class));
         result.assertResult(TETHER_ERROR_NO_ERROR);
     }
@@ -268,6 +295,14 @@
             verifyNoMoreInteractionsForTethering();
         });
 
+        runAsTetheringDisallowed((result) -> {
+            mTetheringConnector.setUsbTethering(true /* enable */, TEST_CALLER_PKG,
+                    TEST_ATTRIBUTION_TAG, result);
+            verify(mTethering).isTetheringSupported();
+            verify(mTethering).isTetheringAllowed();
+            result.assertResult(TETHER_ERROR_UNSUPPORTED);
+            verifyNoMoreInteractionsForTethering();
+        });
     }
 
     private void runStartTethering(final TestTetheringResult result,
@@ -275,6 +310,7 @@
         mTetheringConnector.startTethering(request, TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG,
                 result);
         verify(mTethering).isTetheringSupported();
+        verify(mTethering).isTetheringAllowed();
         verify(mTethering).startTethering(eq(request), eq(TEST_CALLER_PKG), eq(result));
     }
 
@@ -301,6 +337,15 @@
             verify(mTethering).isTetherProvisioningRequired();
             verifyNoMoreInteractionsForTethering();
         });
+
+        runAsTetheringDisallowed((result) -> {
+            mTetheringConnector.startTethering(request, TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG,
+                    result);
+            verify(mTethering).isTetheringSupported();
+            verify(mTethering).isTetheringAllowed();
+            result.assertResult(TETHER_ERROR_UNSUPPORTED);
+            verifyNoMoreInteractionsForTethering();
+        });
     }
 
     private void runStartTetheringAndVerifyNoPermission(final TestTetheringResult result)
@@ -337,6 +382,7 @@
         mTetheringConnector.stopTethering(TETHERING_WIFI, TEST_CALLER_PKG,
                 TEST_ATTRIBUTION_TAG, result);
         verify(mTethering).isTetheringSupported();
+        verify(mTethering).isTetheringAllowed();
         verify(mTethering).stopTethering(TETHERING_WIFI);
         result.assertResult(TETHER_ERROR_NO_ERROR);
     }
@@ -361,6 +407,15 @@
             verify(mTethering).isTetherProvisioningRequired();
             verifyNoMoreInteractionsForTethering();
         });
+
+        runAsTetheringDisallowed((result) -> {
+            mTetheringConnector.stopTethering(TETHERING_WIFI, TEST_CALLER_PKG,
+                    TEST_ATTRIBUTION_TAG, result);
+            verify(mTethering).isTetheringSupported();
+            verify(mTethering).isTetheringAllowed();
+            result.assertResult(TETHER_ERROR_UNSUPPORTED);
+            verifyNoMoreInteractionsForTethering();
+        });
     }
 
     private void runRequestLatestTetheringEntitlementResult() throws Exception {
@@ -368,6 +423,7 @@
         mTetheringConnector.requestLatestTetheringEntitlementResult(TETHERING_WIFI, result,
                 true /* showEntitlementUi */, TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG);
         verify(mTethering).isTetheringSupported();
+        verify(mTethering).isTetheringAllowed();
         verify(mTethering).requestLatestTetheringEntitlementResult(eq(TETHERING_WIFI),
                 eq(result), eq(true) /* showEntitlementUi */);
     }
@@ -392,6 +448,16 @@
             verify(mTethering).isTetherProvisioningRequired();
             verifyNoMoreInteractionsForTethering();
         });
+
+        runAsTetheringDisallowed((none) -> {
+            final MyResultReceiver receiver = new MyResultReceiver(null);
+            mTetheringConnector.requestLatestTetheringEntitlementResult(TETHERING_WIFI, receiver,
+                    true /* showEntitlementUi */, TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG);
+            verify(mTethering).isTetheringSupported();
+            verify(mTethering).isTetheringAllowed();
+            receiver.assertResult(TETHER_ERROR_UNSUPPORTED);
+            verifyNoMoreInteractionsForTethering();
+        });
     }
 
     private void runRegisterTetheringEventCallback() throws Exception {
@@ -419,6 +485,12 @@
             runRegisterTetheringEventCallback();
             verifyNoMoreInteractionsForTethering();
         });
+
+        // should still be able to register callback even tethering is restricted.
+        runAsTetheringDisallowed((result) -> {
+            runRegisterTetheringEventCallback();
+            verifyNoMoreInteractionsForTethering();
+        });
     }
 
     private void runUnregisterTetheringEventCallback() throws Exception {
@@ -446,11 +518,19 @@
             runUnregisterTetheringEventCallback();
             verifyNoMoreInteractionsForTethering();
         });
+
+        // should still be able to unregister callback even tethering is restricted.
+        runAsTetheringDisallowed((result) -> {
+            runUnregisterTetheringEventCallback();
+            verifyNoMoreInteractionsForTethering();
+        });
+
     }
 
     private void runStopAllTethering(final TestTetheringResult result) throws Exception {
         mTetheringConnector.stopAllTethering(TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG, result);
         verify(mTethering).isTetheringSupported();
+        verify(mTethering).isTetheringAllowed();
         verify(mTethering).untetherAll();
         result.assertResult(TETHER_ERROR_NO_ERROR);
     }
@@ -474,11 +554,20 @@
             verify(mTethering).isTetherProvisioningRequired();
             verifyNoMoreInteractionsForTethering();
         });
+
+        runAsTetheringDisallowed((result) -> {
+            mTetheringConnector.stopAllTethering(TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG, result);
+            verify(mTethering).isTetheringSupported();
+            verify(mTethering).isTetheringAllowed();
+            result.assertResult(TETHER_ERROR_UNSUPPORTED);
+            verifyNoMoreInteractionsForTethering();
+        });
     }
 
     private void runIsTetheringSupported(final TestTetheringResult result) throws Exception {
         mTetheringConnector.isTetheringSupported(TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG, result);
         verify(mTethering).isTetheringSupported();
+        verify(mTethering).isTetheringAllowed();
         result.assertResult(TETHER_ERROR_NO_ERROR);
     }
 
@@ -502,6 +591,15 @@
             verify(mTethering).isTetherProvisioningRequired();
             verifyNoMoreInteractionsForTethering();
         });
+
+        runAsTetheringDisallowed((result) -> {
+            mTetheringConnector.isTetheringSupported(TEST_CALLER_PKG, TEST_ATTRIBUTION_TAG,
+                    result);
+            verify(mTethering).isTetheringSupported();
+            verify(mTethering).isTetheringAllowed();
+            result.assertResult(TETHER_ERROR_UNSUPPORTED);
+            verifyNoMoreInteractionsForTethering();
+        });
     }
 
     private class ConnectorSupplier<T> implements Supplier<T> {
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
index b402bc3..8de7836 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
@@ -144,6 +144,7 @@
 import android.net.TetheringCallbackStartedParcel;
 import android.net.TetheringConfigurationParcel;
 import android.net.TetheringInterface;
+import android.net.TetheringManager;
 import android.net.TetheringRequestParcel;
 import android.net.dhcp.DhcpLeaseParcelable;
 import android.net.dhcp.DhcpServerCallbacks;
@@ -175,6 +176,7 @@
 import android.telephony.PhoneStateListener;
 import android.telephony.TelephonyManager;
 import android.test.mock.MockContentResolver;
+import android.util.ArraySet;
 
 import androidx.annotation.NonNull;
 import androidx.test.filters.SmallTest;
@@ -217,6 +219,7 @@
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.Set;
 import java.util.Vector;
 
 @RunWith(AndroidJUnit4.class)
@@ -1729,6 +1732,7 @@
         private final ArrayList<TetherStatesParcel> mTetherStates = new ArrayList<>();
         private final ArrayList<Integer> mOffloadStatus = new ArrayList<>();
         private final ArrayList<List<TetheredClient>> mTetheredClients = new ArrayList<>();
+        private final ArrayList<Long> mSupportedBitmaps = new ArrayList<>();
 
         // This function will remove the recorded callbacks, so it must be called once for
         // each callback. If this is called after multiple callback, the order matters.
@@ -1781,6 +1785,10 @@
             assertTrue(leases.containsAll(result));
         }
 
+        public void expectSupportedTetheringTypes(Set<Integer> expectedTypes) {
+            assertEquals(expectedTypes, TetheringManager.unpackBits(mSupportedBitmaps.remove(0)));
+        }
+
         @Override
         public void onUpstreamChanged(Network network) {
             mActualUpstreams.add(network);
@@ -1813,11 +1821,17 @@
             mTetherStates.add(parcel.states);
             mOffloadStatus.add(parcel.offloadStatus);
             mTetheredClients.add(parcel.tetheredClients);
+            mSupportedBitmaps.add(parcel.supportedTypes);
         }
 
         @Override
         public void onCallbackStopped(int errorCode) { }
 
+        @Override
+        public void onSupportedTetheringTypes(long supportedBitmap) {
+            mSupportedBitmaps.add(supportedBitmap);
+        }
+
         public void assertNoUpstreamChangeCallback() {
             assertTrue(mActualUpstreams.isEmpty());
         }
@@ -2945,53 +2959,81 @@
         runStopUSBTethering();
     }
 
+    public static ArraySet<Integer> getAllSupportedTetheringTypes() {
+        return new ArraySet<>(new Integer[] { TETHERING_USB, TETHERING_NCM, TETHERING_WIFI,
+                TETHERING_WIFI_P2P, TETHERING_BLUETOOTH, TETHERING_ETHERNET });
+    }
+
     @Test
     public void testTetheringSupported() throws Exception {
+        final ArraySet<Integer> expectedTypes = getAllSupportedTetheringTypes();
+        // Check tethering is supported after initialization.
         setTetheringSupported(true /* supported */);
-        updateConfigAndVerifySupported(true /* supported */);
+        TestTetheringEventCallback callback = new TestTetheringEventCallback();
+        mTethering.registerTetheringEventCallback(callback);
+        mLooper.dispatchAll();
+        updateConfigAndVerifySupported(callback, expectedTypes);
 
         // Could disable tethering supported by settings.
         Settings.Global.putInt(mContentResolver, Settings.Global.TETHER_SUPPORTED, 0);
-        updateConfigAndVerifySupported(false /* supported */);
+        updateConfigAndVerifySupported(callback, new ArraySet<>());
 
         // Could disable tethering supported by user restriction.
         setTetheringSupported(true /* supported */);
+        updateConfigAndVerifySupported(callback, expectedTypes);
         when(mUserManager.hasUserRestriction(
                 UserManager.DISALLOW_CONFIG_TETHERING)).thenReturn(true);
-        updateConfigAndVerifySupported(false /* supported */);
+        updateConfigAndVerifySupported(callback, new ArraySet<>());
 
         // Tethering is supported if it has any supported downstream.
         setTetheringSupported(true /* supported */);
+        updateConfigAndVerifySupported(callback, expectedTypes);
+        // Usb tethering is not supported:
+        expectedTypes.remove(TETHERING_USB);
         when(mResources.getStringArray(R.array.config_tether_usb_regexs))
                 .thenReturn(new String[0]);
-        updateConfigAndVerifySupported(true /* supported */);
+        updateConfigAndVerifySupported(callback, expectedTypes);
+        // Wifi tethering is not supported:
+        expectedTypes.remove(TETHERING_WIFI);
         when(mResources.getStringArray(R.array.config_tether_wifi_regexs))
                 .thenReturn(new String[0]);
-        updateConfigAndVerifySupported(true /* supported */);
-
+        updateConfigAndVerifySupported(callback, expectedTypes);
+        // Bluetooth tethering is not supported:
+        expectedTypes.remove(TETHERING_BLUETOOTH);
+        when(mResources.getStringArray(R.array.config_tether_bluetooth_regexs))
+                .thenReturn(new String[0]);
 
         if (isAtLeastT()) {
-            when(mResources.getStringArray(R.array.config_tether_bluetooth_regexs))
-                    .thenReturn(new String[0]);
-            updateConfigAndVerifySupported(true /* supported */);
+            updateConfigAndVerifySupported(callback, expectedTypes);
+
+            // P2p tethering is not supported:
+            expectedTypes.remove(TETHERING_WIFI_P2P);
             when(mResources.getStringArray(R.array.config_tether_wifi_p2p_regexs))
                     .thenReturn(new String[0]);
-            updateConfigAndVerifySupported(true /* supported */);
+            updateConfigAndVerifySupported(callback, expectedTypes);
+            // Ncm tethering is not supported:
+            expectedTypes.remove(TETHERING_NCM);
             when(mResources.getStringArray(R.array.config_tether_ncm_regexs))
                     .thenReturn(new String[0]);
-            updateConfigAndVerifySupported(true /* supported */);
+            updateConfigAndVerifySupported(callback, expectedTypes);
+            // Ethernet tethering (last supported type) is not supported:
+            expectedTypes.remove(TETHERING_ETHERNET);
             mForceEthernetServiceUnavailable = true;
-            updateConfigAndVerifySupported(false /* supported */);
+            updateConfigAndVerifySupported(callback, new ArraySet<>());
+
         } else {
-            when(mResources.getStringArray(R.array.config_tether_bluetooth_regexs))
-                    .thenReturn(new String[0]);
-            updateConfigAndVerifySupported(false /* supported */);
+            // If wifi, usb and bluetooth are all not supported, all the types are not supported.
+            expectedTypes.clear();
+            updateConfigAndVerifySupported(callback, expectedTypes);
         }
     }
 
-    private void updateConfigAndVerifySupported(boolean supported) {
+    private void updateConfigAndVerifySupported(final TestTetheringEventCallback callback,
+            final ArraySet<Integer> expectedTypes) {
         sendConfigurationChanged();
-        assertEquals(supported, mTethering.isTetheringSupported());
+
+        assertEquals(expectedTypes.size() > 0, mTethering.isTetheringSupported());
+        callback.expectSupportedTetheringTypes(expectedTypes);
     }
     // TODO: Test that a request for hotspot mode doesn't interfere with an
     // already operating tethering mode interface.
diff --git a/bpf_progs/Android.bp b/bpf_progs/Android.bp
index c2e28f4..8eb9cfd 100644
--- a/bpf_progs/Android.bp
+++ b/bpf_progs/Android.bp
@@ -50,7 +50,8 @@
         "//packages/modules/Connectivity/service/native/libs/libclat",
         "//packages/modules/Connectivity/Tethering",
         "//packages/modules/Connectivity/service/native",
-        "//packages/modules/Connectivity/tests/native",
+        "//packages/modules/Connectivity/tests/native/connectivity_native_test",
+        "//packages/modules/Connectivity/tests/native/utilities",
         "//packages/modules/Connectivity/service-t/native/libs/libnetworkstats",
         "//packages/modules/Connectivity/tests/unit/jni",
         "//system/netd/tests",
diff --git a/bpf_progs/dscpPolicy.c b/bpf_progs/dscpPolicy.c
index 25abd2b..f308931 100644
--- a/bpf_progs/dscpPolicy.c
+++ b/bpf_progs/dscpPolicy.c
@@ -34,42 +34,24 @@
 #include "dscpPolicy.h"
 
 #define ECN_MASK 3
-#define IP4_OFFSET(field, header) (header + offsetof(struct iphdr, field))
-#define UPDATE_TOS(dscp, tos) (dscp << 2) | (tos & ECN_MASK)
-#define UPDATE_PRIORITY(dscp) ((dscp >> 2) + 0x60)
-#define UPDATE_FLOW_LABEL(dscp, flow_lbl) ((dscp & 0xf) << 6) + (flow_lbl >> 6)
+#define IP4_OFFSET(field, header) ((header) + offsetof(struct iphdr, field))
+#define UPDATE_TOS(dscp, tos) ((dscp) << 2) | ((tos) & ECN_MASK)
 
-DEFINE_BPF_MAP_GRW(switch_comp_map, ARRAY, int, uint64_t, 1, AID_SYSTEM)
-
-DEFINE_BPF_MAP_GRW(ipv4_socket_to_policies_map_A, HASH, uint64_t, RuleEntry, MAX_POLICIES,
-                   AID_SYSTEM)
-DEFINE_BPF_MAP_GRW(ipv4_socket_to_policies_map_B, HASH, uint64_t, RuleEntry, MAX_POLICIES,
-                   AID_SYSTEM)
-DEFINE_BPF_MAP_GRW(ipv6_socket_to_policies_map_A, HASH, uint64_t, RuleEntry, MAX_POLICIES,
-                   AID_SYSTEM)
-DEFINE_BPF_MAP_GRW(ipv6_socket_to_policies_map_B, HASH, uint64_t, RuleEntry, MAX_POLICIES,
-                   AID_SYSTEM)
+DEFINE_BPF_MAP_GRW(socket_policy_cache_map, HASH, uint64_t, RuleEntry, CACHE_MAP_SIZE, AID_SYSTEM)
 
 DEFINE_BPF_MAP_GRW(ipv4_dscp_policies_map, ARRAY, uint32_t, DscpPolicy, MAX_POLICIES, AID_SYSTEM)
 DEFINE_BPF_MAP_GRW(ipv6_dscp_policies_map, ARRAY, uint32_t, DscpPolicy, MAX_POLICIES, AID_SYSTEM)
 
-static inline __always_inline void match_policy(struct __sk_buff* skb, bool ipv4, bool is_eth) {
+static inline __always_inline void match_policy(struct __sk_buff* skb, bool ipv4) {
     void* data = (void*)(long)skb->data;
     const void* data_end = (void*)(long)skb->data_end;
 
-    const int l2_header_size = is_eth ? sizeof(struct ethhdr) : 0;
-    struct ethhdr* eth = is_eth ? data : NULL;
+    const int l2_header_size = sizeof(struct ethhdr);
+    struct ethhdr* eth = data;
 
     if (data + l2_header_size > data_end) return;
 
-    int zero = 0;
     int hdr_size = 0;
-    uint64_t* selected_map = bpf_switch_comp_map_lookup_elem(&zero);
-
-    // use this with HASH map so map lookup only happens once policies have been added?
-    if (!selected_map) {
-        return;
-    }
 
     // used for map lookup
     uint64_t cookie = bpf_get_socket_cookie(skb);
@@ -80,11 +62,10 @@
     uint8_t protocol = 0;  // TODO: Use are reserved value? Or int (-1) and cast to uint below?
     struct in6_addr src_ip = {};
     struct in6_addr dst_ip = {};
-    uint8_t tos = 0;       // Only used for IPv4
-    uint8_t priority = 0;  // Only used for IPv6
-    uint8_t flow_lbl = 0;  // Only used for IPv6
+    uint8_t tos = 0;             // Only used for IPv4
+    uint32_t old_first_u32 = 0;  // Only used for IPv6
     if (ipv4) {
-        const struct iphdr* const iph = is_eth ? (void*)(eth + 1) : data;
+        const struct iphdr* const iph = (void*)(eth + 1);
         hdr_size = l2_header_size + sizeof(struct iphdr);
         // Must have ipv4 header
         if (data + hdr_size > data_end) return;
@@ -105,7 +86,7 @@
         protocol = iph->protocol;
         tos = iph->tos;
     } else {
-        struct ipv6hdr* ip6h = is_eth ? (void*)(eth + 1) : data;
+        struct ipv6hdr* ip6h = (void*)(eth + 1);
         hdr_size = l2_header_size + sizeof(struct ipv6hdr);
         // Must have ipv6 header
         if (data + hdr_size > data_end) return;
@@ -115,8 +96,7 @@
         src_ip = ip6h->saddr;
         dst_ip = ip6h->daddr;
         protocol = ip6h->nexthdr;
-        priority = ip6h->priority;
-        flow_lbl = ip6h->flow_lbl[0];
+        old_first_u32 = *(uint32_t*)ip6h;
     }
 
     switch (protocol) {
@@ -139,42 +119,30 @@
             return;
     }
 
-    RuleEntry* existing_rule;
-    if (ipv4) {
-        if (*selected_map == MAP_A) {
-            existing_rule = bpf_ipv4_socket_to_policies_map_A_lookup_elem(&cookie);
-        } else {
-            existing_rule = bpf_ipv4_socket_to_policies_map_B_lookup_elem(&cookie);
-        }
-    } else {
-        if (*selected_map == MAP_A) {
-            existing_rule = bpf_ipv6_socket_to_policies_map_A_lookup_elem(&cookie);
-        } else {
-            existing_rule = bpf_ipv6_socket_to_policies_map_B_lookup_elem(&cookie);
-        }
-    }
+    RuleEntry* existing_rule = bpf_socket_policy_cache_map_lookup_elem(&cookie);
 
     if (existing_rule && v6_equal(src_ip, existing_rule->src_ip) &&
             v6_equal(dst_ip, existing_rule->dst_ip) && skb->ifindex == existing_rule->ifindex &&
         ntohs(sport) == htons(existing_rule->src_port) &&
         ntohs(dport) == htons(existing_rule->dst_port) && protocol == existing_rule->proto) {
+        if (existing_rule->dscp_val < 0) return;
         if (ipv4) {
             uint8_t newTos = UPDATE_TOS(existing_rule->dscp_val, tos);
             bpf_l3_csum_replace(skb, IP4_OFFSET(check, l2_header_size), htons(tos), htons(newTos),
                                 sizeof(uint16_t));
             bpf_skb_store_bytes(skb, IP4_OFFSET(tos, l2_header_size), &newTos, sizeof(newTos), 0);
         } else {
-            uint8_t new_priority = UPDATE_PRIORITY(existing_rule->dscp_val);
-            uint8_t new_flow_label = UPDATE_FLOW_LABEL(existing_rule->dscp_val, flow_lbl);
-            bpf_skb_store_bytes(skb, 0 + l2_header_size, &new_priority, sizeof(uint8_t), 0);
-            bpf_skb_store_bytes(skb, 1 + l2_header_size, &new_flow_label, sizeof(uint8_t), 0);
+            uint32_t new_first_u32 =
+                htonl(ntohl(old_first_u32) & 0xF03FFFFF | (existing_rule->dscp_val << 22));
+            bpf_skb_store_bytes(skb, l2_header_size, &new_first_u32, sizeof(uint32_t),
+                BPF_F_RECOMPUTE_CSUM);
         }
         return;
     }
 
     // Linear scan ipv4_dscp_policies_map since no stored params match skb.
-    int best_score = -1;
-    uint32_t best_match = 0;
+    int best_score = 0;
+    int8_t new_dscp = -1;
 
     for (register uint64_t i = 0; i < MAX_POLICIES; i++) {
         int score = 0;
@@ -222,35 +190,11 @@
         }
 
         if (score > best_score && temp_mask == policy->present_fields) {
-            best_match = i;
             best_score = score;
+            new_dscp = policy->dscp_val;
         }
     }
 
-    uint8_t new_tos = 0;  // Can 0 be used as default forwarding value?
-    uint8_t new_dscp = 0;
-    uint8_t new_priority = 0;
-    uint8_t new_flow_lbl = 0;
-    if (best_score > 0) {
-        DscpPolicy* policy;
-        if (ipv4) {
-            policy = bpf_ipv4_dscp_policies_map_lookup_elem(&best_match);
-        } else {
-            policy = bpf_ipv6_dscp_policies_map_lookup_elem(&best_match);
-        }
-
-        if (policy) {
-            new_dscp = policy->dscp_val;
-            if (ipv4) {
-                new_tos = UPDATE_TOS(new_dscp, tos);
-            } else {
-                new_priority = UPDATE_PRIORITY(new_dscp);
-                new_flow_lbl = UPDATE_FLOW_LABEL(new_dscp, flow_lbl);
-            }
-        }
-    } else
-        return;
-
     RuleEntry value = {
         .src_ip = src_ip,
         .dst_ip = dst_ip,
@@ -261,54 +205,33 @@
         .dscp_val = new_dscp,
     };
 
-    // Update map with new policy.
-    if (ipv4) {
-        if (*selected_map == MAP_A) {
-            bpf_ipv4_socket_to_policies_map_A_update_elem(&cookie, &value, BPF_ANY);
-        } else {
-            bpf_ipv4_socket_to_policies_map_B_update_elem(&cookie, &value, BPF_ANY);
-        }
-    } else {
-        if (*selected_map == MAP_A) {
-            bpf_ipv6_socket_to_policies_map_A_update_elem(&cookie, &value, BPF_ANY);
-        } else {
-            bpf_ipv6_socket_to_policies_map_B_update_elem(&cookie, &value, BPF_ANY);
-        }
-    }
+    // Update cache with found policy.
+    bpf_socket_policy_cache_map_update_elem(&cookie, &value, BPF_ANY);
+
+    if (new_dscp < 0) return;
 
     // Need to store bytes after updating map or program will not load.
-    if (ipv4 && new_tos != (tos & 252)) {
+    if (ipv4) {
+        uint8_t new_tos = UPDATE_TOS(new_dscp, tos);
         bpf_l3_csum_replace(skb, IP4_OFFSET(check, l2_header_size), htons(tos), htons(new_tos), 2);
         bpf_skb_store_bytes(skb, IP4_OFFSET(tos, l2_header_size), &new_tos, sizeof(new_tos), 0);
-    } else if (!ipv4 && (new_priority != priority || new_flow_lbl != flow_lbl)) {
-        bpf_skb_store_bytes(skb, l2_header_size, &new_priority, sizeof(new_priority), 0);
-        bpf_skb_store_bytes(skb, l2_header_size + 1, &new_flow_lbl, sizeof(new_flow_lbl), 0);
+    } else {
+        uint32_t new_first_u32 = htonl(ntohl(old_first_u32) & 0xF03FFFFF | (new_dscp << 22));
+        bpf_skb_store_bytes(skb, l2_header_size, &new_first_u32, sizeof(uint32_t),
+            BPF_F_RECOMPUTE_CSUM);
     }
     return;
 }
 
-DEFINE_BPF_PROG_KVER("schedcls/set_dscp_ether", AID_ROOT, AID_SYSTEM,
-                     schedcls_set_dscp_ether, KVER(5, 15, 0))
+DEFINE_BPF_PROG_KVER("schedcls/set_dscp_ether", AID_ROOT, AID_SYSTEM, schedcls_set_dscp_ether,
+                     KVER(5, 15, 0))
 (struct __sk_buff* skb) {
     if (skb->pkt_type != PACKET_HOST) return TC_ACT_PIPE;
 
     if (skb->protocol == htons(ETH_P_IP)) {
-        match_policy(skb, true, true);
+        match_policy(skb, true);
     } else if (skb->protocol == htons(ETH_P_IPV6)) {
-        match_policy(skb, false, true);
-    }
-
-    // Always return TC_ACT_PIPE
-    return TC_ACT_PIPE;
-}
-
-DEFINE_BPF_PROG_KVER("schedcls/set_dscp_raw_ip", AID_ROOT, AID_SYSTEM,
-                     schedcls_set_dscp_raw_ip, KVER(5, 15, 0))
-(struct __sk_buff* skb) {
-    if (skb->protocol == htons(ETH_P_IP)) {
-        match_policy(skb, true, false);
-    } else if (skb->protocol == htons(ETH_P_IPV6)) {
-        match_policy(skb, false, false);
+        match_policy(skb, false);
     }
 
     // Always return TC_ACT_PIPE
diff --git a/bpf_progs/dscpPolicy.h b/bpf_progs/dscpPolicy.h
index 455a121..c1db6ab 100644
--- a/bpf_progs/dscpPolicy.h
+++ b/bpf_progs/dscpPolicy.h
@@ -14,9 +14,8 @@
  * limitations under the License.
  */
 
+#define CACHE_MAP_SIZE 1024
 #define MAX_POLICIES 16
-#define MAP_A 1
-#define MAP_B 2
 
 #define SRC_IP_MASK_FLAG     1
 #define DST_IP_MASK_FLAG     2
@@ -51,7 +50,7 @@
     __be16 dst_port_start;
     __be16 dst_port_end;
     uint8_t proto;
-    uint8_t dscp_val;
+    int8_t dscp_val;  // -1 none, or 0..63 DSCP value
     uint8_t present_fields;
     uint8_t pad[3];
 } DscpPolicy;
@@ -64,7 +63,7 @@
     __be16 src_port;
     __be16 dst_port;
     __u8 proto;
-    __u8 dscp_val;
+    __s8 dscp_val;  // -1 none, or 0..63 DSCP value
     __u8 pad[2];
 } RuleEntry;
-STRUCT_SIZE(RuleEntry, 2 * 16 + 1 * 4 + 2 * 2 + 2 * 1 + 2);  // 44
\ No newline at end of file
+STRUCT_SIZE(RuleEntry, 2 * 16 + 1 * 4 + 2 * 2 + 2 * 1 + 2);  // 44
diff --git a/bpf_progs/offload.c b/bpf_progs/offload.c
index 4eb1e8d..cb83b92 100644
--- a/bpf_progs/offload.c
+++ b/bpf_progs/offload.c
@@ -320,50 +320,32 @@
 //   ANDROID: net: bpf: permit redirect from ingress L3 to egress L2 devices at near max mtu
 // (the first of those has already been upstreamed)
 //
-// 5.4 kernel support was only added to Android Common Kernel in R,
-// and thus a 5.4 kernel always supports this.
+// These were added to 4.14+ Android Common Kernel in R (including the original release of ACK 5.4)
+// and there is a test in kernel/tests/net/test/bpf_test.py testSkbChangeHead()
+// and in system/netd/tests/binder_test.cpp NetdBinderTest TetherOffloadForwarding.
 //
-// Hence, these mandatory (must load successfully) implementations for 5.4+ kernels:
-DEFINE_BPF_PROG_KVER("schedcls/tether_downstream6_rawip$5_4", TETHERING_UID, TETHERING_GID,
-                     sched_cls_tether_downstream6_rawip_5_4, KVER(5, 4, 0))
+// Hence, these mandatory (must load successfully) implementations for 4.14+ kernels:
+DEFINE_BPF_PROG_KVER("schedcls/tether_downstream6_rawip$4_14", TETHERING_UID, TETHERING_GID,
+                     sched_cls_tether_downstream6_rawip_4_14, KVER(4, 14, 0))
 (struct __sk_buff* skb) {
     return do_forward6(skb, /* is_ethernet */ false, /* downstream */ true);
 }
 
-DEFINE_BPF_PROG_KVER("schedcls/tether_upstream6_rawip$5_4", TETHERING_UID, TETHERING_GID,
-                     sched_cls_tether_upstream6_rawip_5_4, KVER(5, 4, 0))
+DEFINE_BPF_PROG_KVER("schedcls/tether_upstream6_rawip$4_14", TETHERING_UID, TETHERING_GID,
+                     sched_cls_tether_upstream6_rawip_4_14, KVER(4, 14, 0))
 (struct __sk_buff* skb) {
     return do_forward6(skb, /* is_ethernet */ false, /* downstream */ false);
 }
 
-// and these identical optional (may fail to load) implementations for [4.14..5.4) patched kernels:
-DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_downstream6_rawip$4_14",
-                                    TETHERING_UID, TETHERING_GID,
-                                    sched_cls_tether_downstream6_rawip_4_14,
-                                    KVER(4, 14, 0), KVER(5, 4, 0))
-(struct __sk_buff* skb) {
-    return do_forward6(skb, /* is_ethernet */ false, /* downstream */ true);
-}
-
-DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_upstream6_rawip$4_14",
-                                    TETHERING_UID, TETHERING_GID,
-                                    sched_cls_tether_upstream6_rawip_4_14,
-                                    KVER(4, 14, 0), KVER(5, 4, 0))
-(struct __sk_buff* skb) {
-    return do_forward6(skb, /* is_ethernet */ false, /* downstream */ false);
-}
-
-// and define no-op stubs for [4.9,4.14) and unpatched [4.14,5.4) kernels.
-// (if the above real 4.14+ program loaded successfully, then bpfloader will have already pinned
-// it at the same location this one would be pinned at and will thus skip loading this stub)
+// and define no-op stubs for pre-4.14 kernels.
 DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_downstream6_rawip$stub", TETHERING_UID, TETHERING_GID,
-                           sched_cls_tether_downstream6_rawip_stub, KVER_NONE, KVER(5, 4, 0))
+                           sched_cls_tether_downstream6_rawip_stub, KVER_NONE, KVER(4, 14, 0))
 (struct __sk_buff* skb) {
     return TC_ACT_PIPE;
 }
 
 DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_upstream6_rawip$stub", TETHERING_UID, TETHERING_GID,
-                           sched_cls_tether_upstream6_rawip_stub, KVER_NONE, KVER(5, 4, 0))
+                           sched_cls_tether_upstream6_rawip_stub, KVER_NONE, KVER(4, 14, 0))
 (struct __sk_buff* skb) {
     return TC_ACT_PIPE;
 }
diff --git a/service-t/src/com/android/server/net/CookieTagMapKey.java b/common/src/com/android/net/module/util/bpf/CookieTagMapKey.java
similarity index 95%
rename from service-t/src/com/android/server/net/CookieTagMapKey.java
rename to common/src/com/android/net/module/util/bpf/CookieTagMapKey.java
index 443e5b3..17da7a0 100644
--- a/service-t/src/com/android/server/net/CookieTagMapKey.java
+++ b/common/src/com/android/net/module/util/bpf/CookieTagMapKey.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.server.net;
+package com.android.net.module.util.bpf;
 
 import com.android.net.module.util.Struct;
 import com.android.net.module.util.Struct.Field;
diff --git a/service-t/src/com/android/server/net/CookieTagMapValue.java b/common/src/com/android/net/module/util/bpf/CookieTagMapValue.java
similarity index 95%
rename from service-t/src/com/android/server/net/CookieTagMapValue.java
rename to common/src/com/android/net/module/util/bpf/CookieTagMapValue.java
index 93b9195..e1a221f 100644
--- a/service-t/src/com/android/server/net/CookieTagMapValue.java
+++ b/common/src/com/android/net/module/util/bpf/CookieTagMapValue.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.server.net;
+package com.android.net.module.util.bpf;
 
 import com.android.net.module.util.Struct;
 import com.android.net.module.util.Struct.Field;
diff --git a/framework-t/Android.bp b/framework-t/Android.bp
index 80477f1..c32742b 100644
--- a/framework-t/Android.bp
+++ b/framework-t/Android.bp
@@ -43,14 +43,9 @@
         ":framework-connectivity-tiramisu-updatable-sources",
         ":framework-nearby-java-sources",
     ],
-    stub_only_libs: [
-        // Use prebuilt framework-connectivity stubs to avoid circular dependencies
-        "sdk_module-lib_current_framework-connectivity",
-    ],
     libs: [
         "unsupportedappusage",
         "app-compat-annotations",
-        "sdk_module-lib_current_framework-connectivity",
     ],
     impl_only_libs: [
         // The build system will use framework-bluetooth module_current stubs, because
@@ -104,6 +99,13 @@
     // The jarjar rules are only so that references to jarjared utils in
     // framework-connectivity-pre-jarjar match at runtime.
     jarjar_rules: ":framework-connectivity-jarjar-rules",
+    stub_only_libs: [
+        // Use prebuilt framework-connectivity stubs to avoid circular dependencies
+        "sdk_module-lib_current_framework-connectivity",
+    ],
+    libs: [
+        "sdk_module-lib_current_framework-connectivity",
+    ],
     permitted_packages: [
         "android.app.usage",
         "android.net",
@@ -142,3 +144,8 @@
         "//packages/modules/Wifi/service/tests/wifitests",
     ],
 }
+
+platform_compat_config {
+    name: "connectivity-t-platform-compat-config",
+    src: ":framework-connectivity-t",
+}
diff --git a/framework-t/src/android/net/NetworkStats.java b/framework-t/src/android/net/NetworkStats.java
index a655a9b..8719960 100644
--- a/framework-t/src/android/net/NetworkStats.java
+++ b/framework-t/src/android/net/NetworkStats.java
@@ -302,20 +302,8 @@
         /** @hide */
         @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
         public Entry() {
-            this(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, 0L, 0L, 0L, 0L, 0L);
-        }
-
-        /** @hide */
-        public Entry(long rxBytes, long rxPackets, long txBytes, long txPackets, long operations) {
-            this(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, rxBytes, rxPackets, txBytes, txPackets,
-                    operations);
-        }
-
-        /** @hide */
-        public Entry(String iface, int uid, int set, int tag, long rxBytes, long rxPackets,
-                long txBytes, long txPackets, long operations) {
-            this(iface, uid, set, tag, METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO,
-                    rxBytes, rxPackets, txBytes, txPackets, operations);
+            this(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                    DEFAULT_NETWORK_NO, 0L, 0L, 0L, 0L, 0L);
         }
 
         /**
@@ -607,7 +595,8 @@
     public NetworkStats insertEntry(
             String iface, long rxBytes, long rxPackets, long txBytes, long txPackets) {
         return insertEntry(
-                iface, UID_ALL, SET_DEFAULT, TAG_NONE, rxBytes, rxPackets, txBytes, txPackets, 0L);
+                iface, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO,
+                rxBytes, rxPackets, txBytes, txPackets, 0L);
     }
 
     /** @hide */
@@ -615,7 +604,8 @@
     public NetworkStats insertEntry(String iface, int uid, int set, int tag, long rxBytes,
             long rxPackets, long txBytes, long txPackets, long operations) {
         return insertEntry(new Entry(
-                iface, uid, set, tag, rxBytes, rxPackets, txBytes, txPackets, operations));
+                iface, uid, set, tag,  METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO,
+                rxBytes, rxPackets, txBytes, txPackets, operations));
     }
 
     /** @hide */
@@ -787,7 +777,8 @@
     public NetworkStats combineValues(String iface, int uid, int set, int tag,
             long rxBytes, long rxPackets, long txBytes, long txPackets, long operations) {
         return combineValues(new Entry(
-                iface, uid, set, tag, rxBytes, rxPackets, txBytes, txPackets, operations));
+                iface, uid, set, tag, METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO,
+                rxBytes, rxPackets, txBytes, txPackets, operations));
     }
 
     /**
diff --git a/framework-t/src/android/net/NetworkStatsCollection.java b/framework-t/src/android/net/NetworkStatsCollection.java
index df42b58..e23faa4 100644
--- a/framework-t/src/android/net/NetworkStatsCollection.java
+++ b/framework-t/src/android/net/NetworkStatsCollection.java
@@ -309,7 +309,8 @@
             // ourselves something to scale with.
             if (entry.rxBytes == 0 || entry.txBytes == 0) {
                 combined.recordData(augmentStart, augmentEnd,
-                        new NetworkStats.Entry(1, 0, 1, 0, 0));
+                        new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 1L, 0L, 1L, 0L, 0L));
                 combined.getValues(augmentStart, augmentEnd, entry);
             }
 
diff --git a/framework-t/src/android/net/NetworkStatsHistory.java b/framework-t/src/android/net/NetworkStatsHistory.java
index 738e9cc..c345747 100644
--- a/framework-t/src/android/net/NetworkStatsHistory.java
+++ b/framework-t/src/android/net/NetworkStatsHistory.java
@@ -17,7 +17,10 @@
 package android.net;
 
 import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+import static android.net.NetworkStats.DEFAULT_NETWORK_NO;
 import static android.net.NetworkStats.IFACE_ALL;
+import static android.net.NetworkStats.METERED_NO;
+import static android.net.NetworkStats.ROAMING_NO;
 import static android.net.NetworkStats.SET_DEFAULT;
 import static android.net.NetworkStats.TAG_NONE;
 import static android.net.NetworkStats.UID_ALL;
@@ -529,7 +532,8 @@
     @Deprecated
     public void recordData(long start, long end, long rxBytes, long txBytes) {
         recordData(start, end, new NetworkStats.Entry(
-                IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, rxBytes, 0L, txBytes, 0L, 0L));
+                IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO, rxBytes, 0L, txBytes, 0L, 0L));
     }
 
     /**
@@ -611,7 +615,8 @@
      */
     public void recordHistory(NetworkStatsHistory input, long start, long end) {
         final NetworkStats.Entry entry = new NetworkStats.Entry(
-                IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, 0L, 0L, 0L, 0L, 0L);
+                IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO, 0L, 0L, 0L, 0L, 0L);
         for (int i = 0; i < input.bucketCount; i++) {
             final long bucketStart = input.bucketStart[i];
             final long bucketEnd = bucketStart + input.bucketDuration;
@@ -854,7 +859,8 @@
         ensureBuckets(start, end);
 
         final NetworkStats.Entry entry = new NetworkStats.Entry(
-                IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, 0L, 0L, 0L, 0L, 0L);
+                IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO, 0L, 0L, 0L, 0L, 0L);
         while (rxBytes > 1024 || rxPackets > 128 || txBytes > 1024 || txPackets > 128
                 || operations > 32) {
             final long curStart = randomLong(r, start, end);
diff --git a/framework-t/src/android/net/nsd/NsdManager.java b/framework-t/src/android/net/nsd/NsdManager.java
index 3fcc11b..fb3b1d6 100644
--- a/framework-t/src/android/net/nsd/NsdManager.java
+++ b/framework-t/src/android/net/nsd/NsdManager.java
@@ -139,17 +139,21 @@
      * The platform will only keep the daemon running as long as there are
      * any legacy apps connected.
      *
-     * After Android 12, directly communicate with native daemon might not
-     * work since the native damon won't always stay alive.
-     * Use the NSD APIs from NsdManager as the replacement is recommended.
-     * An another alternative could be bundling your own mdns solutions instead of
+     * After Android 12, direct communication with the native daemon might not work since the native
+     * daemon won't always stay alive. Using the NSD APIs from NsdManager as the replacement is
+     * recommended.
+     * Another alternative could be bundling your own mdns solutions instead of
      * depending on the system mdns native daemon.
      *
+     * This compatibility change applies to Android 13 and later only. To toggle behavior on
+     * Android 12 and Android 12L, use RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS.
+     *
      * @hide
      */
     @ChangeId
     @EnabledSince(targetSdkVersion = android.os.Build.VERSION_CODES.S)
-    public static final long RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS = 191844585L;
+    // This was a platform change ID with value 191844585L before T
+    public static final long RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER = 235355681L;
 
     /**
      * Broadcast intent action to indicate whether network service discovery is
@@ -500,7 +504,7 @@
 
         // Only proactively start the daemon if the target SDK < S, otherwise the internal service
         // would automatically start/stop the native daemon as needed.
-        if (!CompatChanges.isChangeEnabled(RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)) {
+        if (!CompatChanges.isChangeEnabled(RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)) {
             try {
                 mService.startDaemon();
             } catch (RemoteException e) {
diff --git a/framework/jni/android_net_NetworkUtils.cpp b/framework/jni/android_net_NetworkUtils.cpp
index 857ece5..38e0059 100644
--- a/framework/jni/android_net_NetworkUtils.cpp
+++ b/framework/jni/android_net_NetworkUtils.cpp
@@ -53,7 +53,7 @@
     return static_cast<T>(res);
 }
 
-static void android_net_utils_attachDropAllBPFFilter(JNIEnv *env, jobject clazz, jobject javaFd)
+static void android_net_utils_attachDropAllBPFFilter(JNIEnv *env, jclass clazz, jobject javaFd)
 {
     struct sock_filter filter_code[] = {
         // Reject all.
@@ -71,7 +71,7 @@
     }
 }
 
-static void android_net_utils_detachBPFFilter(JNIEnv *env, jobject clazz, jobject javaFd)
+static void android_net_utils_detachBPFFilter(JNIEnv *env, jclass clazz, jobject javaFd)
 {
     int optval_ignored = 0;
     int fd = AFileDescriptor_getFd(env, javaFd);
@@ -82,13 +82,13 @@
     }
 }
 
-static jboolean android_net_utils_bindProcessToNetworkHandle(JNIEnv *env, jobject thiz,
+static jboolean android_net_utils_bindProcessToNetworkHandle(JNIEnv *env, jclass clazz,
         jlong netHandle)
 {
     return (jboolean) !android_setprocnetwork(netHandle);
 }
 
-static jlong android_net_utils_getBoundNetworkHandleForProcess(JNIEnv *env, jobject thiz)
+static jlong android_net_utils_getBoundNetworkHandleForProcess(JNIEnv *env, jclass clazz)
 {
     net_handle_t network;
     if (android_getprocnetwork(&network) != 0) {
@@ -99,13 +99,13 @@
     return (jlong) network;
 }
 
-static jboolean android_net_utils_bindProcessToNetworkForHostResolution(JNIEnv *env, jobject thiz,
+static jboolean android_net_utils_bindProcessToNetworkForHostResolution(JNIEnv *env, jclass clazz,
         jint netId, jlong netHandle)
 {
     return (jboolean) !android_setprocdns(netHandle);
 }
 
-static jint android_net_utils_bindSocketToNetworkHandle(JNIEnv *env, jobject thiz, jobject javaFd,
+static jint android_net_utils_bindSocketToNetworkHandle(JNIEnv *env, jclass clazz, jobject javaFd,
                                                   jlong netHandle) {
     return android_setsocknetwork(netHandle, AFileDescriptor_getFd(env, javaFd));
 }
@@ -119,7 +119,7 @@
     return true;
 }
 
-static jobject android_net_utils_resNetworkQuery(JNIEnv *env, jobject thiz, jlong netHandle,
+static jobject android_net_utils_resNetworkQuery(JNIEnv *env, jclass clazz, jlong netHandle,
         jstring dname, jint ns_class, jint ns_type, jint flags) {
     const jsize javaCharsCount = env->GetStringLength(dname);
     const jsize byteCountUTF8 = env->GetStringUTFLength(dname);
@@ -140,7 +140,7 @@
     return jniCreateFileDescriptor(env, fd);
 }
 
-static jobject android_net_utils_resNetworkSend(JNIEnv *env, jobject thiz, jlong netHandle,
+static jobject android_net_utils_resNetworkSend(JNIEnv *env, jclass clazz, jlong netHandle,
         jbyteArray msg, jint msgLen, jint flags) {
     uint8_t data[MAXCMDSIZE];
 
@@ -155,7 +155,7 @@
     return jniCreateFileDescriptor(env, fd);
 }
 
-static jobject android_net_utils_resNetworkResult(JNIEnv *env, jobject thiz, jobject javaFd) {
+static jobject android_net_utils_resNetworkResult(JNIEnv *env, jclass clazz, jobject javaFd) {
     int fd = AFileDescriptor_getFd(env, javaFd);
     int rcode;
     uint8_t buf[MAXPACKETSIZE] = {0};
@@ -181,13 +181,13 @@
     return env->NewObject(class_DnsResponse, ctor, answer, rcode);
 }
 
-static void android_net_utils_resNetworkCancel(JNIEnv *env, jobject thiz, jobject javaFd) {
+static void android_net_utils_resNetworkCancel(JNIEnv *env, jclass clazz, jobject javaFd) {
     int fd = AFileDescriptor_getFd(env, javaFd);
     android_res_cancel(fd);
     jniSetFileDescriptorOfFD(env, javaFd, -1);
 }
 
-static jobject android_net_utils_getDnsNetwork(JNIEnv *env, jobject thiz) {
+static jobject android_net_utils_getDnsNetwork(JNIEnv *env, jclass clazz) {
     net_handle_t dnsNetHandle = NETWORK_UNSPECIFIED;
     if (int res = android_getprocdns(&dnsNetHandle) < 0) {
         jniThrowErrnoException(env, "getDnsNetwork", -res);
@@ -204,7 +204,7 @@
             static_cast<jlong>(dnsNetHandle));
 }
 
-static jobject android_net_utils_getTcpRepairWindow(JNIEnv *env, jobject thiz, jobject javaFd) {
+static jobject android_net_utils_getTcpRepairWindow(JNIEnv *env, jclass clazz, jobject javaFd) {
     if (javaFd == NULL) {
         jniThrowNullPointerException(env, NULL);
         return NULL;
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index 6ccd77e..1fbbd25 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -984,7 +984,16 @@
 
     /**
      * Firewall chain used for OEM-specific application restrictions.
-     * Denylist of apps that will not have network access due to OEM-specific restrictions.
+     *
+     * Denylist of apps that will not have network access due to OEM-specific restrictions. If an
+     * app UID is placed on this chain, and the chain is enabled, the app's packets will be dropped.
+     *
+     * All the {@code FIREWALL_CHAIN_OEM_DENY_x} chains are equivalent, and each one is
+     * independent of the others. The chains can be enabled and disabled independently, and apps can
+     * be added and removed from each chain independently.
+     *
+     * @see #FIREWALL_CHAIN_OEM_DENY_2
+     * @see #FIREWALL_CHAIN_OEM_DENY_3
      * @hide
      */
     @SystemApi(client = MODULE_LIBRARIES)
@@ -992,7 +1001,16 @@
 
     /**
      * Firewall chain used for OEM-specific application restrictions.
-     * Denylist of apps that will not have network access due to OEM-specific restrictions.
+     *
+     * Denylist of apps that will not have network access due to OEM-specific restrictions. If an
+     * app UID is placed on this chain, and the chain is enabled, the app's packets will be dropped.
+     *
+     * All the {@code FIREWALL_CHAIN_OEM_DENY_x} chains are equivalent, and each one is
+     * independent of the others. The chains can be enabled and disabled independently, and apps can
+     * be added and removed from each chain independently.
+     *
+     * @see #FIREWALL_CHAIN_OEM_DENY_1
+     * @see #FIREWALL_CHAIN_OEM_DENY_3
      * @hide
      */
     @SystemApi(client = MODULE_LIBRARIES)
@@ -1000,7 +1018,16 @@
 
     /**
      * Firewall chain used for OEM-specific application restrictions.
-     * Denylist of apps that will not have network access due to OEM-specific restrictions.
+     *
+     * Denylist of apps that will not have network access due to OEM-specific restrictions. If an
+     * app UID is placed on this chain, and the chain is enabled, the app's packets will be dropped.
+     *
+     * All the {@code FIREWALL_CHAIN_OEM_DENY_x} chains are equivalent, and each one is
+     * independent of the others. The chains can be enabled and disabled independently, and apps can
+     * be added and removed from each chain independently.
+     *
+     * @see #FIREWALL_CHAIN_OEM_DENY_1
+     * @see #FIREWALL_CHAIN_OEM_DENY_2
      * @hide
      */
     @SystemApi(client = MODULE_LIBRARIES)
@@ -1080,7 +1107,7 @@
     /**
      * Tests if a given integer represents a valid network type.
      * @param networkType the type to be tested
-     * @return a boolean.  {@code true} if the type is valid, else {@code false}
+     * @return {@code true} if the type is valid, else {@code false}
      * @deprecated All APIs accepting a network type are deprecated. There should be no need to
      *             validate a network type.
      */
@@ -1439,9 +1466,8 @@
     }
 
     /**
-     * Returns details about the currently active default data network
-     * for a given uid.  This is for internal use only to avoid spying
-     * other apps.
+     * Returns details about the currently active default data network for a given uid.
+     * This is for privileged use only to avoid spying on other apps.
      *
      * @return a {@link NetworkInfo} object for the current default network
      *        for the given uid or {@code null} if no default network is
@@ -1465,8 +1491,7 @@
     }
 
     /**
-     * Returns connection status information about a particular
-     * network type.
+     * Returns connection status information about a particular network type.
      *
      * @param networkType integer specifying which networkType in
      *        which you're interested.
@@ -1494,8 +1519,7 @@
     }
 
     /**
-     * Returns connection status information about a particular
-     * Network.
+     * Returns connection status information about a particular Network.
      *
      * @param network {@link Network} specifying which network
      *        in which you're interested.
@@ -1521,8 +1545,7 @@
     }
 
     /**
-     * Returns connection status information about all network
-     * types supported by the device.
+     * Returns connection status information about all network types supported by the device.
      *
      * @return an array of {@link NetworkInfo} objects.  Check each
      * {@link NetworkInfo#getType} for which type each applies.
@@ -1582,8 +1605,7 @@
     }
 
     /**
-     * Returns an array of all {@link Network} currently tracked by the
-     * framework.
+     * Returns an array of all {@link Network} currently tracked by the framework.
      *
      * @deprecated This method does not provide any notification of network state changes, forcing
      *             apps to call it repeatedly. This is inefficient and prone to race conditions.
@@ -1786,7 +1808,7 @@
      * that may be relevant for other components trying to detect captive portals.
      *
      * @hide
-     * @deprecated This API returns URL which is not guaranteed to be one of the URLs used by the
+     * @deprecated This API returns a URL which is not guaranteed to be one of the URLs used by the
      *             system.
      */
     @Deprecated
@@ -2365,8 +2387,7 @@
     }
 
     /**
-     * Request that keepalives be started on a TCP socket.
-     * The socket must be established.
+     * Request that keepalives be started on a TCP socket. The socket must be established.
      *
      * @param network The {@link Network} the socket is on.
      * @param socket The socket that needs to be kept alive.
@@ -2653,7 +2674,7 @@
     }
 
     /**
-     * Check if the package is a allowed to write settings. This also accounts that such an access
+     * Check if the package is allowed to write settings. This also records that such an access
      * happened.
      *
      * @return {@code true} iff the package is allowed to write settings.
@@ -2756,7 +2777,7 @@
     }
 
     /**
-     * Attempt to tether the named interface.  This will setup a dhcp server
+     * Attempt to tether the named interface.  This will set up a dhcp server
      * on the interface, forward and NAT IP packets and forward DNS requests
      * to the best active upstream network interface.  Note that if no upstream
      * IP network interface is available, dhcp will still run and traffic will be
@@ -3265,10 +3286,10 @@
 
     /**
      * Get the last value of the entitlement check on this downstream. If the cached value is
-     * {@link #TETHER_ERROR_NO_ERROR} or showEntitlementUi argument is false, it just return the
-     * cached value. Otherwise, a UI-based entitlement check would be performed. It is not
+     * {@link #TETHER_ERROR_NO_ERROR} or showEntitlementUi argument is false, this just returns the
+     * cached value. Otherwise, a UI-based entitlement check will be performed. It is not
      * guaranteed that the UI-based entitlement check will complete in any specific time period
-     * and may in fact never complete. Any successful entitlement check the platform performs for
+     * and it may in fact never complete. Any successful entitlement check the platform performs for
      * any reason will update the cached value.
      *
      * @param type the downstream type of tethering. Must be one of
@@ -3455,12 +3476,11 @@
     }
 
     /**
-     * Returns true if the hardware supports the given network type
-     * else it returns false.  This doesn't indicate we have coverage
-     * or are authorized onto a network, just whether or not the
-     * hardware supports it.  For example a GSM phone without a SIM
-     * should still return {@code true} for mobile data, but a wifi only
-     * tablet would return {@code false}.
+     * Returns whether the hardware supports the given network type.
+     *
+     * This doesn't indicate there is coverage or such a network is available, just whether the
+     * hardware supports it. For example a GSM phone without a SIM card will return {@code true}
+     * for mobile data, but a WiFi only tablet would return {@code false}.
      *
      * @param networkType The network type we'd like to check
      * @return {@code true} if supported, else {@code false}
@@ -4826,9 +4846,8 @@
      * Unregisters a {@code NetworkCallback} and possibly releases networks originating from
      * {@link #requestNetwork(NetworkRequest, NetworkCallback)} and
      * {@link #registerNetworkCallback(NetworkRequest, NetworkCallback)} calls.
-     * If the given {@code NetworkCallback} had previously been used with
-     * {@code #requestNetwork}, any networks that had been connected to only to satisfy that request
-     * will be disconnected.
+     * If the given {@code NetworkCallback} had previously been used with {@code #requestNetwork},
+     * any networks that the device brought up only to satisfy that request will be disconnected.
      *
      * Notifications that would have triggered that {@code NetworkCallback} will immediately stop
      * triggering it as soon as this call returns.
@@ -4963,7 +4982,7 @@
     }
 
     /**
-     * Temporarily allow bad wifi to override {@code config_networkAvoidBadWifi} configuration.
+     * Temporarily allow bad Wi-Fi to override {@code config_networkAvoidBadWifi} configuration.
      *
      * @param timeMs The expired current time. The value should be set within a limited time from
      *               now.
@@ -5022,7 +5041,7 @@
     }
 
     /**
-     * Determine whether the device is configured to avoid bad wifi.
+     * Determine whether the device is configured to avoid bad Wi-Fi.
      * @hide
      */
     @SystemApi
@@ -5091,9 +5110,9 @@
      * each such operation.
      *
      * @param network The network on which the application desires to use multipath data.
-     *                If {@code null}, this method will return the a preference that will generally
+     *                If {@code null}, this method will return a preference that will generally
      *                apply to metered networks.
-     * @return a bitwise OR of zero or more of the  {@code MULTIPATH_PREFERENCE_*} constants.
+     * @return a bitwise OR of zero or more of the {@code MULTIPATH_PREFERENCE_*} constants.
      */
     @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE)
     public @MultipathPreference int getMultipathPreference(@Nullable Network network) {
@@ -5206,7 +5225,7 @@
      */
     @Nullable
     public Network getBoundNetworkForProcess() {
-        // Forcing callers to call thru non-static function ensures ConnectivityManager
+        // Forcing callers to call through non-static function ensures ConnectivityManager has been
         // instantiated.
         return getProcessDefaultNetwork();
     }
@@ -5851,7 +5870,7 @@
     }
 
     /**
-     * Removes the specified UID from the list of UIds that can use use background data on metered
+     * Removes the specified UID from the list of UIDs that can use background data on metered
      * networks if background data is not restricted. The deny list takes precedence over the
      * allow list.
      *
@@ -5949,7 +5968,7 @@
      *
      * @param chain target chain to replace.
      * @param uids The list of UIDs to be placed into chain.
-     * @throws IllegalStateException if replacing the firewall chain failed.
+     * @throws UnsupportedOperationException if called on pre-T devices.
      * @throws IllegalArgumentException if {@code chain} is not a valid chain.
      * @hide
      */
diff --git a/framework/src/android/net/NetworkProvider.java b/framework/src/android/net/NetworkProvider.java
index 3615075..7edcbae 100644
--- a/framework/src/android/net/NetworkProvider.java
+++ b/framework/src/android/net/NetworkProvider.java
@@ -192,36 +192,21 @@
     private class NetworkOfferCallbackProxy extends INetworkOfferCallback.Stub {
         @NonNull public final NetworkOfferCallback callback;
         @NonNull private final Executor mExecutor;
-        /**
-         * Boolean flag that prevents onNetworkNeeded / onNetworkUnneeded callbacks from being
-         * propagated after unregisterNetworkOffer has been called. Since unregisterNetworkOffer
-         * runs on the CS handler thread, it will not go into effect immediately.
-         */
-        private volatile boolean mIsStale;
 
         NetworkOfferCallbackProxy(@NonNull final NetworkOfferCallback callback,
                 @NonNull final Executor executor) {
             this.callback = callback;
             this.mExecutor = executor;
-            this.mIsStale = false;
         }
 
         @Override
         public void onNetworkNeeded(final @NonNull NetworkRequest request) {
-            mExecutor.execute(() -> {
-                if (!mIsStale) callback.onNetworkNeeded(request);
-            });
+            mExecutor.execute(() -> callback.onNetworkNeeded(request));
         }
 
         @Override
         public void onNetworkUnneeded(final @NonNull NetworkRequest request) {
-            mExecutor.execute(() -> {
-                if (!mIsStale) callback.onNetworkUnneeded(request);
-            });
-        }
-
-        public void markStale() {
-            mIsStale = true;
+            mExecutor.execute(() -> callback.onNetworkUnneeded(request));
         }
     }
 
@@ -334,6 +319,11 @@
      * if it could beat any of them, and may be advantageous to the provider's implementation that
      * can rely on no longer receiving callbacks for a network that they can't bring up anyways.
      *
+     * Warning: This method executes asynchronously. The NetworkOfferCallback object can continue
+     * receiving onNetworkNeeded and onNetworkUnneeded callbacks even after this method has
+     * returned. In this case, it is on the caller to take appropriate steps in order to prevent
+     * bringing up a network.
+     *
      * @hide
      */
     @SystemApi
@@ -342,7 +332,6 @@
         final NetworkOfferCallbackProxy proxy = findProxyForCallback(callback);
         if (null == proxy) return;
         synchronized (mProxies) {
-            proxy.markStale();
             mProxies.remove(proxy);
         }
         mContext.getSystemService(ConnectivityManager.class).unofferNetwork(proxy);
diff --git a/service-t/src/com/android/server/net/NetworkStatsFactory.java b/service-t/src/com/android/server/net/NetworkStatsFactory.java
index b628251..4a6741c 100644
--- a/service-t/src/com/android/server/net/NetworkStatsFactory.java
+++ b/service-t/src/com/android/server/net/NetworkStatsFactory.java
@@ -17,9 +17,7 @@
 package com.android.server.net;
 
 import static android.net.NetworkStats.INTERFACES_ALL;
-import static android.net.NetworkStats.SET_ALL;
 import static android.net.NetworkStats.TAG_ALL;
-import static android.net.NetworkStats.TAG_NONE;
 import static android.net.NetworkStats.UID_ALL;
 
 import android.annotation.NonNull;
@@ -28,19 +26,12 @@
 import android.net.NetworkStats;
 import android.net.UnderlyingNetworkInfo;
 import android.os.ServiceSpecificException;
-import android.os.StrictMode;
 import android.os.SystemClock;
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.util.ProcFileReader;
-import com.android.net.module.util.CollectionUtils;
 import com.android.server.BpfNetMaps;
 
-import libcore.io.IoUtils;
-
-import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.net.ProtocolException;
 import java.util.Arrays;
@@ -61,18 +52,6 @@
 
     private static final String TAG = "NetworkStatsFactory";
 
-    private static final boolean USE_NATIVE_PARSING = true;
-    private static final boolean VALIDATE_NATIVE_STATS = false;
-
-    /** Path to {@code /proc/net/xt_qtaguid/iface_stat_all}. */
-    private final File mStatsXtIfaceAll;
-    /** Path to {@code /proc/net/xt_qtaguid/iface_stat_fmt}. */
-    private final File mStatsXtIfaceFmt;
-    /** Path to {@code /proc/net/xt_qtaguid/stats}. */
-    private final File mStatsXtUid;
-
-    private final boolean mUseBpfStats;
-
     private final Context mContext;
 
     private final BpfNetMaps mBpfNetMaps;
@@ -96,6 +75,49 @@
     @GuardedBy("mPersistentDataLock")
     private NetworkStats mTunAnd464xlatAdjustedStats;
 
+    private final Dependencies mDeps;
+    /**
+     * Dependencies of NetworkStatsFactory, for injection in tests.
+     */
+    @VisibleForTesting
+    public static class Dependencies {
+        /**
+         * Parse detailed statistics from bpf into given {@link NetworkStats} object. Values
+         * are expected to monotonically increase since device boot.
+         */
+        @NonNull
+        public NetworkStats getNetworkStatsDetail(int limitUid, @Nullable String[] limitIfaces,
+                int limitTag) throws IOException {
+            final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 0);
+            // TODO: remove both path and useBpfStats arguments.
+            // The path is never used if useBpfStats is true.
+            final int ret = nativeReadNetworkStatsDetail(stats, null /* path */,
+                    limitUid, limitIfaces, limitTag, true /* useBpfStats */);
+            if (ret != 0) {
+                throw new IOException("Failed to parse network stats");
+            }
+            return stats;
+        }
+        /**
+         * Parse device summary statistics from bpf into given {@link NetworkStats} object. Values
+         * are expected to monotonically increase since device boot.
+         */
+        @NonNull
+        public NetworkStats getNetworkStatsDev() throws IOException {
+            final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 6);
+            final int ret = nativeReadNetworkStatsDev(stats);
+            if (ret != 0) {
+                throw new IOException("Failed to parse bpf iface stats");
+            }
+            return stats;
+        }
+
+        /** Create a new {@link BpfNetMaps}. */
+        public BpfNetMaps createBpfNetMaps(@NonNull Context ctx) {
+            return new BpfNetMaps(ctx);
+        }
+    }
+
     /**
      * (Stacked interface) -> (base interface) association for all connected ifaces since boot.
      *
@@ -164,30 +186,18 @@
     }
 
     public NetworkStatsFactory(@NonNull Context ctx) {
-        this(ctx, new File("/proc/"), true, new BpfNetMaps());
+        this(ctx, new Dependencies());
     }
 
     @VisibleForTesting
-    public NetworkStatsFactory(@NonNull Context ctx, File procRoot, boolean useBpfStats,
-            BpfNetMaps bpfNetMaps) {
-        mStatsXtIfaceAll = new File(procRoot, "net/xt_qtaguid/iface_stat_all");
-        mStatsXtIfaceFmt = new File(procRoot, "net/xt_qtaguid/iface_stat_fmt");
-        mStatsXtUid = new File(procRoot, "net/xt_qtaguid/stats");
-        mUseBpfStats = useBpfStats;
-        mBpfNetMaps = bpfNetMaps;
+    public NetworkStatsFactory(@NonNull Context ctx, Dependencies deps) {
+        mBpfNetMaps = deps.createBpfNetMaps(ctx);
         synchronized (mPersistentDataLock) {
             mPersistSnapshot = new NetworkStats(SystemClock.elapsedRealtime(), -1);
             mTunAnd464xlatAdjustedStats = new NetworkStats(SystemClock.elapsedRealtime(), -1);
         }
         mContext = ctx;
-    }
-
-    public NetworkStats readBpfNetworkStatsDev() throws IOException {
-        final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 6);
-        if (nativeReadNetworkStatsDev(stats) != 0) {
-            throw new IOException("Failed to parse bpf iface stats");
-        }
-        return stats;
+        mDeps = deps;
     }
 
     /**
@@ -195,106 +205,18 @@
      * using {@code /proc/net/dev} style hooks, which may include non IP layer
      * traffic. Values monotonically increase since device boot, and may include
      * details about inactive interfaces.
-     *
-     * @throws IllegalStateException when problem parsing stats.
      */
     public NetworkStats readNetworkStatsSummaryDev() throws IOException {
-
-        // Return xt_bpf stats if switched to bpf module.
-        if (mUseBpfStats)
-            return readBpfNetworkStatsDev();
-
-        final StrictMode.ThreadPolicy savedPolicy = StrictMode.allowThreadDiskReads();
-
-        final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 6);
-        final NetworkStats.Entry entry = new NetworkStats.Entry();
-
-        ProcFileReader reader = null;
-        try {
-            reader = new ProcFileReader(new FileInputStream(mStatsXtIfaceAll));
-
-            while (reader.hasMoreData()) {
-                entry.iface = reader.nextString();
-                entry.uid = UID_ALL;
-                entry.set = SET_ALL;
-                entry.tag = TAG_NONE;
-
-                final boolean active = reader.nextInt() != 0;
-
-                // always include snapshot values
-                entry.rxBytes = reader.nextLong();
-                entry.rxPackets = reader.nextLong();
-                entry.txBytes = reader.nextLong();
-                entry.txPackets = reader.nextLong();
-
-                // fold in active numbers, but only when active
-                if (active) {
-                    entry.rxBytes += reader.nextLong();
-                    entry.rxPackets += reader.nextLong();
-                    entry.txBytes += reader.nextLong();
-                    entry.txPackets += reader.nextLong();
-                }
-
-                stats.insertEntry(entry);
-                reader.finishLine();
-            }
-        } catch (NullPointerException|NumberFormatException e) {
-            throw protocolExceptionWithCause("problem parsing stats", e);
-        } finally {
-            IoUtils.closeQuietly(reader);
-            StrictMode.setThreadPolicy(savedPolicy);
-        }
-        return stats;
+        return mDeps.getNetworkStatsDev();
     }
 
     /**
      * Parse and return interface-level summary {@link NetworkStats}. Designed
      * to return only IP layer traffic. Values monotonically increase since
      * device boot, and may include details about inactive interfaces.
-     *
-     * @throws IllegalStateException when problem parsing stats.
      */
     public NetworkStats readNetworkStatsSummaryXt() throws IOException {
-
-        // Return xt_bpf stats if qtaguid  module is replaced.
-        if (mUseBpfStats)
-            return readBpfNetworkStatsDev();
-
-        final StrictMode.ThreadPolicy savedPolicy = StrictMode.allowThreadDiskReads();
-
-        // return null when kernel doesn't support
-        if (!mStatsXtIfaceFmt.exists()) return null;
-
-        final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 6);
-        final NetworkStats.Entry entry = new NetworkStats.Entry();
-
-        ProcFileReader reader = null;
-        try {
-            // open and consume header line
-            reader = new ProcFileReader(new FileInputStream(mStatsXtIfaceFmt));
-            reader.finishLine();
-
-            while (reader.hasMoreData()) {
-                entry.iface = reader.nextString();
-                entry.uid = UID_ALL;
-                entry.set = SET_ALL;
-                entry.tag = TAG_NONE;
-
-                entry.rxBytes = reader.nextLong();
-                entry.rxPackets = reader.nextLong();
-                entry.txBytes = reader.nextLong();
-                entry.txPackets = reader.nextLong();
-
-                stats.insertEntry(entry);
-                reader.finishLine();
-            }
-        } catch (NullPointerException|NumberFormatException e) {
-            throw protocolExceptionWithCause("problem parsing stats", e);
-        } finally {
-            IoUtils.closeQuietly(reader);
-            StrictMode.setThreadPolicy(savedPolicy);
-        }
-        return stats;
+        return mDeps.getNetworkStatsDev();
     }
 
     public NetworkStats readNetworkStatsDetail() throws IOException {
@@ -331,38 +253,14 @@
             // Take a defensive copy. mPersistSnapshot is mutated in some cases below
             final NetworkStats prev = mPersistSnapshot.clone();
 
-            if (USE_NATIVE_PARSING) {
-                final NetworkStats stats =
-                        new NetworkStats(SystemClock.elapsedRealtime(), 0 /* initialSize */);
-                if (mUseBpfStats) {
-                    requestSwapActiveStatsMapLocked();
-                    // Stats are always read from the inactive map, so they must be read after the
-                    // swap
-                    if (nativeReadNetworkStatsDetail(stats, mStatsXtUid.getAbsolutePath(), UID_ALL,
-                            INTERFACES_ALL, TAG_ALL, mUseBpfStats) != 0) {
-                        throw new IOException("Failed to parse network stats");
-                    }
-
-                    // BPF stats are incremental; fold into mPersistSnapshot.
-                    mPersistSnapshot.setElapsedRealtime(stats.getElapsedRealtime());
-                    mPersistSnapshot.combineAllValues(stats);
-                } else {
-                    if (nativeReadNetworkStatsDetail(stats, mStatsXtUid.getAbsolutePath(), UID_ALL,
-                            INTERFACES_ALL, TAG_ALL, mUseBpfStats) != 0) {
-                        throw new IOException("Failed to parse network stats");
-                    }
-                    if (VALIDATE_NATIVE_STATS) {
-                        final NetworkStats javaStats = javaReadNetworkStatsDetail(mStatsXtUid,
-                                UID_ALL, INTERFACES_ALL, TAG_ALL);
-                        assertEquals(javaStats, stats);
-                    }
-
-                    mPersistSnapshot = stats;
-                }
-            } else {
-                mPersistSnapshot = javaReadNetworkStatsDetail(mStatsXtUid, UID_ALL, INTERFACES_ALL,
-                        TAG_ALL);
-            }
+            requestSwapActiveStatsMapLocked();
+            // Stats are always read from the inactive map, so they must be read after the
+            // swap
+            final NetworkStats stats = mDeps.getNetworkStatsDetail(
+                    UID_ALL, INTERFACES_ALL, TAG_ALL);
+            // BPF stats are incremental; fold into mPersistSnapshot.
+            mPersistSnapshot.setElapsedRealtime(stats.getElapsedRealtime());
+            mPersistSnapshot.combineAllValues(stats);
 
             NetworkStats adjustedStats = adjustForTunAnd464Xlat(mPersistSnapshot, prev, vpnArray);
 
@@ -399,62 +297,6 @@
         return mTunAnd464xlatAdjustedStats.clone();
     }
 
-    /**
-     * Parse and return {@link NetworkStats} with UID-level details. Values are
-     * expected to monotonically increase since device boot.
-     */
-    @VisibleForTesting
-    public static NetworkStats javaReadNetworkStatsDetail(File detailPath, int limitUid,
-            String[] limitIfaces, int limitTag)
-            throws IOException {
-        final StrictMode.ThreadPolicy savedPolicy = StrictMode.allowThreadDiskReads();
-
-        final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 24);
-        final NetworkStats.Entry entry = new NetworkStats.Entry();
-
-        int idx = 1;
-        int lastIdx = 1;
-
-        ProcFileReader reader = null;
-        try {
-            // open and consume header line
-            reader = new ProcFileReader(new FileInputStream(detailPath));
-            reader.finishLine();
-
-            while (reader.hasMoreData()) {
-                idx = reader.nextInt();
-                if (idx != lastIdx + 1) {
-                    throw new ProtocolException(
-                            "inconsistent idx=" + idx + " after lastIdx=" + lastIdx);
-                }
-                lastIdx = idx;
-
-                entry.iface = reader.nextString();
-                entry.tag = kernelToTag(reader.nextString());
-                entry.uid = reader.nextInt();
-                entry.set = reader.nextInt();
-                entry.rxBytes = reader.nextLong();
-                entry.rxPackets = reader.nextLong();
-                entry.txBytes = reader.nextLong();
-                entry.txPackets = reader.nextLong();
-
-                if ((limitIfaces == null || CollectionUtils.contains(limitIfaces, entry.iface))
-                        && (limitUid == UID_ALL || limitUid == entry.uid)
-                        && (limitTag == TAG_ALL || limitTag == entry.tag)) {
-                    stats.insertEntry(entry);
-                }
-
-                reader.finishLine();
-            }
-        } catch (NullPointerException|NumberFormatException e) {
-            throw protocolExceptionWithCause("problem parsing idx " + idx, e);
-        } finally {
-            IoUtils.closeQuietly(reader);
-            StrictMode.setThreadPolicy(savedPolicy);
-        }
-
-        return stats;
-    }
 
     public void assertEquals(NetworkStats expected, NetworkStats actual) {
         if (expected.size() != actual.size()) {
diff --git a/service-t/src/com/android/server/net/NetworkStatsService.java b/service-t/src/com/android/server/net/NetworkStatsService.java
index 8032303..96c615b 100644
--- a/service-t/src/com/android/server/net/NetworkStatsService.java
+++ b/service-t/src/com/android/server/net/NetworkStatsService.java
@@ -27,12 +27,15 @@
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
 import static android.net.NetworkStats.DEFAULT_NETWORK_ALL;
+import static android.net.NetworkStats.DEFAULT_NETWORK_NO;
 import static android.net.NetworkStats.IFACE_ALL;
 import static android.net.NetworkStats.IFACE_VT;
 import static android.net.NetworkStats.INTERFACES_ALL;
 import static android.net.NetworkStats.METERED_ALL;
+import static android.net.NetworkStats.METERED_NO;
 import static android.net.NetworkStats.METERED_YES;
 import static android.net.NetworkStats.ROAMING_ALL;
+import static android.net.NetworkStats.ROAMING_NO;
 import static android.net.NetworkStats.SET_ALL;
 import static android.net.NetworkStats.SET_DEFAULT;
 import static android.net.NetworkStats.SET_FOREGROUND;
@@ -53,6 +56,7 @@
 import static android.net.netstats.NetworkStatsDataMigrationUtils.PREFIX_XT;
 import static android.os.Trace.TRACE_TAG_NETWORK;
 import static android.system.OsConstants.ENOENT;
+import static android.system.OsConstants.R_OK;
 import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
 import static android.text.format.DateUtils.DAY_IN_MILLIS;
 import static android.text.format.DateUtils.HOUR_IN_MILLIS;
@@ -130,6 +134,7 @@
 import android.service.NetworkInterfaceProto;
 import android.service.NetworkStatsServiceDumpProto;
 import android.system.ErrnoException;
+import android.system.Os;
 import android.telephony.PhoneStateListener;
 import android.telephony.SubscriptionPlan;
 import android.text.TextUtils;
@@ -156,8 +161,11 @@
 import com.android.net.module.util.LocationPermissionChecker;
 import com.android.net.module.util.NetworkStatsUtils;
 import com.android.net.module.util.PermissionUtils;
+import com.android.net.module.util.Struct;
 import com.android.net.module.util.Struct.U32;
 import com.android.net.module.util.Struct.U8;
+import com.android.net.module.util.bpf.CookieTagMapKey;
+import com.android.net.module.util.bpf.CookieTagMapValue;
 
 import java.io.File;
 import java.io.FileDescriptor;
@@ -2696,6 +2704,23 @@
                 mUidTagRecorder.dumpLocked(pw, fullHistory);
                 pw.decreaseIndent();
             }
+
+            pw.println();
+            pw.println("BPF map status:");
+            pw.increaseIndent();
+            dumpMapStatus(pw);
+            pw.decreaseIndent();
+            pw.println();
+
+            // Following BPF map content dump contains uid and tag regardless of the flags because
+            // following dumps are moved from TrafficController and bug report already contains this
+            // information.
+            pw.println("BPF map content:");
+            pw.increaseIndent();
+            dumpCookieTagMapLocked(pw);
+            dumpUidCounterSetMapLocked(pw);
+            dumpAppUidStatsMapLocked(pw);
+            pw.decreaseIndent();
         }
     }
 
@@ -2730,6 +2755,102 @@
         }
     }
 
+    private <K extends Struct, V extends Struct> String getMapStatus(
+            final IBpfMap<K, V> map, final String path) {
+        if (map != null) {
+            return "OK";
+        }
+        try {
+            Os.access(path, R_OK);
+            return "NULL(map is pinned to " + path + ")";
+        } catch (ErrnoException e) {
+            return "NULL(map is not pinned to " + path + ": " + Os.strerror(e.errno) + ")";
+        }
+    }
+
+    private void dumpMapStatus(final IndentingPrintWriter pw) {
+        pw.println("mCookieTagMap: " + getMapStatus(mCookieTagMap, COOKIE_TAG_MAP_PATH));
+        pw.println("mUidCounterSetMap: "
+                + getMapStatus(mUidCounterSetMap, UID_COUNTERSET_MAP_PATH));
+        pw.println("mAppUidStatsMap: " + getMapStatus(mAppUidStatsMap, APP_UID_STATS_MAP_PATH));
+    }
+
+    @GuardedBy("mStatsLock")
+    private void dumpCookieTagMapLocked(final IndentingPrintWriter pw) {
+        if (mCookieTagMap == null) {
+            return;
+        }
+        pw.println("mCookieTagMap:");
+        pw.increaseIndent();
+        try {
+            mCookieTagMap.forEach((key, value) -> {
+                // value could be null if there is a concurrent entry deletion.
+                // http://b/220084230.
+                if (value != null) {
+                    pw.println("cookie=" + key.socketCookie
+                            + " tag=0x" + Long.toHexString(value.tag)
+                            + " uid=" + value.uid);
+                } else {
+                    pw.println("Entry is deleted while dumping, iterating from first entry");
+                }
+            });
+        } catch (ErrnoException e) {
+            pw.println("mCookieTagMap dump end with error: " + Os.strerror(e.errno));
+        }
+        pw.decreaseIndent();
+    }
+
+    @GuardedBy("mStatsLock")
+    private void dumpUidCounterSetMapLocked(final IndentingPrintWriter pw) {
+        if (mUidCounterSetMap == null) {
+            return;
+        }
+        pw.println("mUidCounterSetMap:");
+        pw.increaseIndent();
+        try {
+            mUidCounterSetMap.forEach((uid, set) -> {
+                // set could be null if there is a concurrent entry deletion.
+                // http://b/220084230.
+                if (set != null) {
+                    pw.println("uid=" + uid.val + " set=" + set.val);
+                } else {
+                    pw.println("Entry is deleted while dumping, iterating from first entry");
+                }
+            });
+        } catch (ErrnoException e) {
+            pw.println("mUidCounterSetMap dump end with error: " + Os.strerror(e.errno));
+        }
+        pw.decreaseIndent();
+    }
+
+    @GuardedBy("mStatsLock")
+    private void dumpAppUidStatsMapLocked(final IndentingPrintWriter pw) {
+        if (mAppUidStatsMap == null) {
+            return;
+        }
+        pw.println("mAppUidStatsMap:");
+        pw.increaseIndent();
+        pw.println("uid rxBytes rxPackets txBytes txPackets");
+        try {
+            mAppUidStatsMap.forEach((key, value) -> {
+                // value could be null if there is a concurrent entry deletion.
+                // http://b/220084230.
+                if (value != null) {
+                    pw.println(key.uid + " "
+                            + value.rxBytes + " "
+                            + value.rxPackets + " "
+                            + value.txBytes + " "
+                            + value.txPackets);
+                } else {
+                    pw.println("Entry is deleted while dumping, iterating from first entry");
+                }
+            });
+        } catch (ErrnoException e) {
+            pw.println("mAppUidStatsMap dump end with error: " + Os.strerror(e.errno));
+        }
+        pw.decreaseIndent();
+    }
+
     private NetworkStats readNetworkStatsSummaryDev() {
         try {
             return mStatsFactory.readNetworkStatsSummaryDev();
@@ -2804,7 +2925,8 @@
             for (TetherStatsParcel tetherStats : tetherStatsParcels) {
                 try {
                     stats.combineValues(new NetworkStats.Entry(tetherStats.iface, UID_TETHERING,
-                            SET_DEFAULT, TAG_NONE, tetherStats.rxBytes, tetherStats.rxPackets,
+                            SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO,
+                            tetherStats.rxBytes, tetherStats.rxPackets,
                             tetherStats.txBytes, tetherStats.txPackets, 0L));
                 } catch (ArrayIndexOutOfBoundsException e) {
                     throw new IllegalStateException("invalid tethering stats " + e);
diff --git a/service/ServiceConnectivityResources/res/values-es-rUS/strings.xml b/service/ServiceConnectivityResources/res/values-es-rUS/strings.xml
index fdca468..b24dee0 100644
--- a/service/ServiceConnectivityResources/res/values-es-rUS/strings.xml
+++ b/service/ServiceConnectivityResources/res/values-es-rUS/strings.xml
@@ -22,7 +22,7 @@
     <string name="network_available_sign_in" msgid="2622520134876355561">"Acceder a la red"</string>
     <!-- no translation found for network_available_sign_in_detailed (8439369644697866359) -->
     <skip />
-    <string name="wifi_no_internet" msgid="1326348603404555475">"<xliff:g id="NETWORK_SSID">%1$s</xliff:g>no tiene acceso a Internet"</string>
+    <string name="wifi_no_internet" msgid="1326348603404555475">"<xliff:g id="NETWORK_SSID">%1$s</xliff:g> no tiene acceso a Internet"</string>
     <string name="wifi_no_internet_detailed" msgid="1746921096565304090">"Presiona para ver opciones"</string>
     <string name="mobile_no_internet" msgid="4087718456753201450">"La red móvil no tiene acceso a Internet"</string>
     <string name="other_networks_no_internet" msgid="5693932964749676542">"La red no tiene acceso a Internet"</string>
diff --git a/service/ServiceConnectivityResources/res/values-or/strings.xml b/service/ServiceConnectivityResources/res/values-or/strings.xml
index 8b85884..49a773a 100644
--- a/service/ServiceConnectivityResources/res/values-or/strings.xml
+++ b/service/ServiceConnectivityResources/res/values-or/strings.xml
@@ -17,7 +17,7 @@
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="connectivityResourcesAppLabel" msgid="2476261877900882974">"ସିଷ୍ଟମର ସଂଯୋଗ ସମ୍ବନ୍ଧିତ ରିସୋର୍ସଗୁଡ଼ିକ"</string>
+    <string name="connectivityResourcesAppLabel" msgid="2476261877900882974">"ସିଷ୍ଟମ କନେକ୍ଟିଭିଟୀ ରିସୋର୍ସ"</string>
     <string name="wifi_available_sign_in" msgid="8041178343789805553">"ୱାଇ-ଫାଇ ନେଟୱର୍କରେ ସାଇନ୍‍-ଇନ୍‍ କରନ୍ତୁ"</string>
     <string name="network_available_sign_in" msgid="2622520134876355561">"ନେଟ୍‌ୱର୍କରେ ସାଇନ୍‍ ଇନ୍‍ କରନ୍ତୁ"</string>
     <!-- no translation found for network_available_sign_in_detailed (8439369644697866359) -->
diff --git a/service/jni/com_android_server_BpfNetMaps.cpp b/service/jni/com_android_server_BpfNetMaps.cpp
index 49392e0..2780044 100644
--- a/service/jni/com_android_server_BpfNetMaps.cpp
+++ b/service/jni/com_android_server_BpfNetMaps.cpp
@@ -82,6 +82,13 @@
   return (jint)status.code();
 }
 
+static jint native_setChildChain(JNIEnv* env, jobject self, jint childChain, jboolean enable) {
+  auto chain = static_cast<ChildChain>(childChain);
+  int res = mTc.toggleUidOwnerMap(chain, enable);
+  if (res) ALOGE("%s failed, error code = %d", __func__, res);
+  return (jint)res;
+}
+
 static jint native_replaceUidChain(JNIEnv* env, jobject self, jstring name, jboolean isAllowlist,
                                    jintArray jUids) {
     const ScopedUtfChars chainNameUtf8(env, name);
@@ -192,6 +199,8 @@
     (void*)native_addNiceApp},
     {"native_removeNiceApp", "(I)I",
     (void*)native_removeNiceApp},
+    {"native_setChildChain", "(IZ)I",
+    (void*)native_setChildChain},
     {"native_replaceUidChain", "(Ljava/lang/String;Z[I)I",
     (void*)native_replaceUidChain},
     {"native_setUidRule", "(III)I",
diff --git a/service/jni/com_android_server_connectivity_ClatCoordinator.cpp b/service/jni/com_android_server_connectivity_ClatCoordinator.cpp
index e2c5a63..de0e20a 100644
--- a/service/jni/com_android_server_connectivity_ClatCoordinator.cpp
+++ b/service/jni/com_android_server_connectivity_ClatCoordinator.cpp
@@ -421,7 +421,7 @@
     stopClatdProcess(pid);
 }
 
-static jlong com_android_server_connectivity_ClatCoordinator_tagSocketAsClat(
+static jlong com_android_server_connectivity_ClatCoordinator_getSocketCookie(
         JNIEnv* env, jobject clazz, jobject sockJavaFd) {
     int sockFd = netjniutils::GetNativeFileDescriptor(env, sockJavaFd);
     if (sockFd < 0) {
@@ -435,58 +435,10 @@
         return -1;
     }
 
-    bpf::BpfMap<uint64_t, UidTagValue> cookieTagMap;
-    auto res = cookieTagMap.init(COOKIE_TAG_MAP_PATH);
-    if (!res.ok()) {
-        throwIOException(env, "failed to init the cookieTagMap", res.error().code());
-        return -1;
-    }
-
-    // Tag raw socket with uid AID_CLAT and set tag as zero because tag is unused in bpf
-    // program for counting data usage in netd.c. Tagging socket is used to avoid counting
-    // duplicated clat traffic in bpf stat.
-    UidTagValue newKey = {.uid = (uint32_t)AID_CLAT, .tag = 0 /* unused */};
-    res = cookieTagMap.writeValue(sock_cookie, newKey, BPF_ANY);
-    if (!res.ok()) {
-        jniThrowExceptionFmt(env, "java/io/IOException", "Failed to tag the socket: %s, fd: %d",
-                             strerror(res.error().code()), cookieTagMap.getMap().get());
-        return -1;
-    }
-
-    ALOGI("tag uid AID_CLAT to socket fd %d, cookie %" PRIu64 "", sockFd, sock_cookie);
+    ALOGI("Get cookie %" PRIu64 " for socket fd %d", sock_cookie, sockFd);
     return static_cast<jlong>(sock_cookie);
 }
 
-static void com_android_server_connectivity_ClatCoordinator_untagSocket(JNIEnv* env, jobject clazz,
-                                                                        jlong cookie) {
-    uint64_t sock_cookie = static_cast<uint64_t>(cookie);
-    if (sock_cookie == bpf::NONEXISTENT_COOKIE) {
-        jniThrowExceptionFmt(env, "java/io/IOException", "Invalid socket cookie");
-        return;
-    }
-
-    // The reason that deleting entry from cookie tag map directly is that the tag socket destroy
-    // listener only monitors on group INET_TCP, INET_UDP, INET6_TCP, INET6_UDP. The other socket
-    // types, ex: raw, are not able to be removed automatically by the listener.
-    // See TrafficController::makeSkDestroyListener.
-    bpf::BpfMap<uint64_t, UidTagValue> cookieTagMap;
-    auto res = cookieTagMap.init(COOKIE_TAG_MAP_PATH);
-    if (!res.ok()) {
-        throwIOException(env, "failed to init the cookieTagMap", res.error().code());
-        return;
-    }
-
-    res = cookieTagMap.deleteValue(sock_cookie);
-    if (!res.ok()) {
-        jniThrowExceptionFmt(env, "java/io/IOException", "Failed to untag the socket: %s",
-                             strerror(res.error().code()));
-        return;
-    }
-
-    ALOGI("untag socket cookie %" PRIu64 "", sock_cookie);
-    return;
-}
-
 /*
  * JNI registration.
  */
@@ -516,10 +468,8 @@
         {"native_stopClatd",
          "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;I)V",
          (void*)com_android_server_connectivity_ClatCoordinator_stopClatd},
-        {"native_tagSocketAsClat", "(Ljava/io/FileDescriptor;)J",
-         (void*)com_android_server_connectivity_ClatCoordinator_tagSocketAsClat},
-        {"native_untagSocket", "(J)V",
-         (void*)com_android_server_connectivity_ClatCoordinator_untagSocket},
+        {"native_getSocketCookie", "(Ljava/io/FileDescriptor;)J",
+         (void*)com_android_server_connectivity_ClatCoordinator_getSocketCookie},
 };
 
 int register_com_android_server_connectivity_ClatCoordinator(JNIEnv* env) {
diff --git a/service/native/TrafficController.cpp b/service/native/TrafficController.cpp
index 9331548..71329ad 100644
--- a/service/native/TrafficController.cpp
+++ b/service/native/TrafficController.cpp
@@ -173,13 +173,8 @@
     RETURN_IF_NOT_OK(mIfaceStatsMap.init(IFACE_STATS_MAP_PATH));
 
     RETURN_IF_NOT_OK(mConfigurationMap.init(CONFIGURATION_MAP_PATH));
-    RETURN_IF_NOT_OK(
-            mConfigurationMap.writeValue(UID_RULES_CONFIGURATION_KEY, DEFAULT_CONFIG, BPF_ANY));
-    RETURN_IF_NOT_OK(mConfigurationMap.writeValue(CURRENT_STATS_MAP_CONFIGURATION_KEY, SELECT_MAP_A,
-                                                  BPF_ANY));
 
     RETURN_IF_NOT_OK(mUidOwnerMap.init(UID_OWNER_MAP_PATH));
-    RETURN_IF_NOT_OK(mUidOwnerMap.clear());
     RETURN_IF_NOT_OK(mUidPermissionMap.init(UID_PERMISSION_MAP_PATH));
     ALOGI("%s successfully", __func__);
 
@@ -451,6 +446,53 @@
     return 0;
 }
 
+int TrafficController::toggleUidOwnerMap(ChildChain chain, bool enable) {
+    std::lock_guard guard(mMutex);
+    uint32_t key = UID_RULES_CONFIGURATION_KEY;
+    auto oldConfigure = mConfigurationMap.readValue(key);
+    if (!oldConfigure.ok()) {
+        ALOGE("Cannot read the old configuration from map: %s",
+              oldConfigure.error().message().c_str());
+        return -oldConfigure.error().code();
+    }
+    uint32_t match;
+    switch (chain) {
+        case DOZABLE:
+            match = DOZABLE_MATCH;
+            break;
+        case STANDBY:
+            match = STANDBY_MATCH;
+            break;
+        case POWERSAVE:
+            match = POWERSAVE_MATCH;
+            break;
+        case RESTRICTED:
+            match = RESTRICTED_MATCH;
+            break;
+        case LOW_POWER_STANDBY:
+            match = LOW_POWER_STANDBY_MATCH;
+            break;
+        case OEM_DENY_1:
+            match = OEM_DENY_1_MATCH;
+            break;
+        case OEM_DENY_2:
+            match = OEM_DENY_2_MATCH;
+            break;
+        case OEM_DENY_3:
+            match = OEM_DENY_3_MATCH;
+            break;
+        default:
+            return -EINVAL;
+    }
+    BpfConfig newConfiguration =
+            enable ? (oldConfigure.value() | match) : (oldConfigure.value() & ~match);
+    Status res = mConfigurationMap.writeValue(key, newConfiguration, BPF_EXIST);
+    if (!isOk(res)) {
+        ALOGE("Failed to toggleUidOwnerMap(%d): %s", chain, res.msg().c_str());
+    }
+    return -res.code();
+}
+
 Status TrafficController::swapActiveStatsMap() {
     std::lock_guard guard(mMutex);
 
@@ -570,12 +612,6 @@
     ScopedIndent indentPreBpfModule(dw);
 
     dw.blankline();
-    dw.println("mCookieTagMap status: %s",
-               getMapStatus(mCookieTagMap.getMap(), COOKIE_TAG_MAP_PATH).c_str());
-    dw.println("mUidCounterSetMap status: %s",
-               getMapStatus(mUidCounterSetMap.getMap(), UID_COUNTERSET_MAP_PATH).c_str());
-    dw.println("mAppUidStatsMap status: %s",
-               getMapStatus(mAppUidStatsMap.getMap(), APP_UID_STATS_MAP_PATH).c_str());
     dw.println("mStatsMapA status: %s",
                getMapStatus(mStatsMapA.getMap(), STATS_MAP_A_PATH).c_str());
     dw.println("mStatsMapB status: %s",
@@ -611,44 +647,6 @@
 
     ScopedIndent indentForMapContent(dw);
 
-    // Print CookieTagMap content.
-    dumpBpfMap("mCookieTagMap", dw, "");
-    const auto printCookieTagInfo = [&dw](const uint64_t& key, const UidTagValue& value,
-                                          const BpfMap<uint64_t, UidTagValue>&) {
-        dw.println("cookie=%" PRIu64 " tag=0x%x uid=%u", key, value.tag, value.uid);
-        return base::Result<void>();
-    };
-    base::Result<void> res = mCookieTagMap.iterateWithValue(printCookieTagInfo);
-    if (!res.ok()) {
-        dw.println("mCookieTagMap print end with error: %s", res.error().message().c_str());
-    }
-
-    // Print UidCounterSetMap content.
-    dumpBpfMap("mUidCounterSetMap", dw, "");
-    const auto printUidInfo = [&dw](const uint32_t& key, const uint8_t& value,
-                                    const BpfMap<uint32_t, uint8_t>&) {
-        dw.println("%u %u", key, value);
-        return base::Result<void>();
-    };
-    res = mUidCounterSetMap.iterateWithValue(printUidInfo);
-    if (!res.ok()) {
-        dw.println("mUidCounterSetMap print end with error: %s", res.error().message().c_str());
-    }
-
-    // Print AppUidStatsMap content.
-    std::string appUidStatsHeader = StringPrintf("uid rxBytes rxPackets txBytes txPackets");
-    dumpBpfMap("mAppUidStatsMap:", dw, appUidStatsHeader);
-    auto printAppUidStatsInfo = [&dw](const uint32_t& key, const StatsValue& value,
-                                      const BpfMap<uint32_t, StatsValue>&) {
-        dw.println("%u %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64, key, value.rxBytes,
-                   value.rxPackets, value.txBytes, value.txPackets);
-        return base::Result<void>();
-    };
-    res = mAppUidStatsMap.iterateWithValue(printAppUidStatsInfo);
-    if (!res.ok()) {
-        dw.println("mAppUidStatsMap print end with error: %s", res.error().message().c_str());
-    }
-
     // Print uidStatsMap content.
     std::string statsHeader = StringPrintf("ifaceIndex ifaceName tag_hex uid_int cnt_set rxBytes"
                                            " rxPackets txBytes txPackets");
@@ -665,7 +663,7 @@
                    value.rxPackets, value.txBytes, value.txPackets);
         return base::Result<void>();
     };
-    res = mStatsMapA.iterateWithValue(printStatsInfo);
+    base::Result<void> res = mStatsMapA.iterateWithValue(printStatsInfo);
     if (!res.ok()) {
         dw.println("mStatsMapA print end with error: %s", res.error().message().c_str());
     }
diff --git a/service/native/TrafficControllerTest.cpp b/service/native/TrafficControllerTest.cpp
index 7730c13..256a2a0 100644
--- a/service/native/TrafficControllerTest.cpp
+++ b/service/native/TrafficControllerTest.cpp
@@ -791,13 +791,6 @@
     // ifaceIndex ifaceName tag_hex uid_int cnt_set rxBytes rxPackets txBytes txPackets
     // 999 test0 0x2a 10086 1 100 1 0 0
     std::vector<std::string> expectedLines = {
-        "mCookieTagMap:",
-        fmt::format("cookie={} tag={:#x} uid={}", TEST_COOKIE, TEST_TAG, TEST_UID),
-        "mUidCounterSetMap:",
-        fmt::format("{} {}", TEST_UID3, TEST_COUNTERSET),
-        "mAppUidStatsMap::",  // TODO@: fix double colon
-        "uid rxBytes rxPackets txBytes txPackets",
-        fmt::format("{} {} {} {} {}", TEST_UID, RXBYTES, RXPACKETS, TXBYTES, TXPACKETS),
         "mStatsMapA",
         "ifaceIndex ifaceName tag_hex uid_int cnt_set rxBytes rxPackets txBytes txPackets",
         fmt::format("{} {} {:#x} {} {} {} {} {} {}",
@@ -833,9 +826,6 @@
             "Read value of map -1 failed: Bad file descriptor";
 
     std::vector<std::string> expectedLines = {
-        fmt::format("mCookieTagMap {}", kErrIterate),
-        fmt::format("mUidCounterSetMap {}", kErrIterate),
-        fmt::format("mAppUidStatsMap {}", kErrIterate),
         fmt::format("mStatsMapA {}", kErrIterate),
         fmt::format("mStatsMapB {}", kErrIterate),
         fmt::format("mIfaceIndexNameMap {}", kErrIterate),
diff --git a/service/native/include/TrafficController.h b/service/native/include/TrafficController.h
index 14c5eaf..8512929 100644
--- a/service/native/include/TrafficController.h
+++ b/service/native/include/TrafficController.h
@@ -71,6 +71,8 @@
     netdutils::Status updateUidOwnerMap(const uint32_t uid,
                                         UidOwnerMatchType matchType, IptOp op) EXCLUDES(mMutex);
 
+    int toggleUidOwnerMap(ChildChain chain, bool enable) EXCLUDES(mMutex);
+
     static netdutils::StatusOr<std::unique_ptr<netdutils::NetlinkListenerInterface>>
     makeSkDestroyListener();
 
diff --git a/service/src/com/android/server/BpfNetMaps.java b/service/src/com/android/server/BpfNetMaps.java
index d7c5a06..bedd0e8 100644
--- a/service/src/com/android/server/BpfNetMaps.java
+++ b/service/src/com/android/server/BpfNetMaps.java
@@ -31,9 +31,11 @@
 import static android.system.OsConstants.ENOENT;
 import static android.system.OsConstants.EOPNOTSUPP;
 
+import android.content.Context;
 import android.net.INetd;
 import android.os.RemoteException;
 import android.os.ServiceSpecificException;
+import android.provider.DeviceConfig;
 import android.system.ErrnoException;
 import android.system.Os;
 import android.util.Log;
@@ -42,10 +44,15 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.modules.utils.build.SdkLevel;
 import com.android.net.module.util.BpfMap;
+import com.android.net.module.util.DeviceConfigUtils;
 import com.android.net.module.util.Struct.U32;
 
 import java.io.FileDescriptor;
 import java.io.IOException;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.stream.Collectors;
 
 /**
  * BpfNetMaps is responsible for providing traffic controller relevant functionality.
@@ -66,6 +73,10 @@
     // Use legacy netd for releases before T.
     private static boolean sInitialized = false;
 
+    private static Boolean sEnableJavaBpfMap = null;
+    private static final String BPF_NET_MAPS_ENABLE_JAVA_BPF_MAP =
+            "bpf_net_maps_enable_java_bpf_map";
+
     // Lock for sConfigurationMap entry for UID_RULES_CONFIGURATION_KEY.
     // This entry is not accessed by others.
     // BpfNetMaps acquires this lock while sequence of read, modify, and write.
@@ -76,6 +87,11 @@
     private static final String UID_OWNER_MAP_PATH =
             "/sys/fs/bpf/netd_shared/map_netd_uid_owner_map";
     private static final U32 UID_RULES_CONFIGURATION_KEY = new U32(0);
+    private static final U32 CURRENT_STATS_MAP_CONFIGURATION_KEY = new U32(1);
+    private static final long UID_RULES_DEFAULT_CONFIGURATION = 0;
+    private static final long STATS_SELECT_MAP_A = 0;
+    private static final long STATS_SELECT_MAP_B = 1;
+
     private static BpfMap<U32, U32> sConfigurationMap = null;
     // BpfMap for UID_OWNER_MAP_PATH. This map is not accessed by others.
     private static BpfMap<U32, UidOwnerValue> sUidOwnerMap = null;
@@ -97,6 +113,14 @@
     // LINT.ThenChange(packages/modules/Connectivity/bpf_progs/bpf_shared.h)
 
     /**
+     * Set sEnableJavaBpfMap for test.
+     */
+    @VisibleForTesting
+    public static void setEnableJavaBpfMapForTest(boolean enable) {
+        sEnableJavaBpfMap = enable;
+    }
+
+    /**
      * Set configurationMap for test.
      */
     @VisibleForTesting
@@ -130,22 +154,47 @@
         }
     }
 
-    private static void setBpfMaps() {
+    private static void initBpfMaps() {
         if (sConfigurationMap == null) {
             sConfigurationMap = getConfigurationMap();
         }
+        try {
+            sConfigurationMap.updateEntry(UID_RULES_CONFIGURATION_KEY,
+                    new U32(UID_RULES_DEFAULT_CONFIGURATION));
+        } catch (ErrnoException e) {
+            throw new IllegalStateException("Failed to initialize uid rules configuration", e);
+        }
+        try {
+            sConfigurationMap.updateEntry(CURRENT_STATS_MAP_CONFIGURATION_KEY,
+                    new U32(STATS_SELECT_MAP_A));
+        } catch (ErrnoException e) {
+            throw new IllegalStateException("Failed to initialize current stats configuration", e);
+        }
+
         if (sUidOwnerMap == null) {
             sUidOwnerMap = getUidOwnerMap();
         }
+        try {
+            sUidOwnerMap.clear();
+        } catch (ErrnoException e) {
+            throw new IllegalStateException("Failed to initialize uid owner map", e);
+        }
     }
 
     /**
      * Initializes the class if it is not already initialized. This method will open maps but not
      * cause any other effects. This method may be called multiple times on any thread.
      */
-    private static synchronized void ensureInitialized() {
+    private static synchronized void ensureInitialized(final Context context) {
         if (sInitialized) return;
-        setBpfMaps();
+        if (sEnableJavaBpfMap == null) {
+            sEnableJavaBpfMap = DeviceConfigUtils.isFeatureEnabled(context,
+                    DeviceConfig.NAMESPACE_TETHERING, BPF_NET_MAPS_ENABLE_JAVA_BPF_MAP,
+                    SdkLevel.isAtLeastU() /* defaultValue */);
+        }
+        Log.d(TAG, "BpfNetMaps is initialized with sEnableJavaBpfMap=" + sEnableJavaBpfMap);
+
+        initBpfMaps();
         native_init();
         sInitialized = true;
     }
@@ -164,20 +213,20 @@
     }
 
     /** Constructor used after T that doesn't need to use netd anymore. */
-    public BpfNetMaps() {
-        this(null);
+    public BpfNetMaps(final Context context) {
+        this(context, null);
 
         if (PRE_T) throw new IllegalArgumentException("BpfNetMaps need to use netd before T");
     }
 
-    public BpfNetMaps(final INetd netd) {
-        this(netd, new Dependencies());
+    public BpfNetMaps(final Context context, final INetd netd) {
+        this(context, netd, new Dependencies());
     }
 
     @VisibleForTesting
-    public BpfNetMaps(final INetd netd, final Dependencies deps) {
+    public BpfNetMaps(final Context context, final INetd netd, final Dependencies deps) {
         if (!PRE_T) {
-            ensureInitialized();
+            ensureInitialized(context);
         }
         mNetd = netd;
         mDeps = deps;
@@ -404,25 +453,46 @@
 
     /**
      * Replaces the contents of the specified UID-based firewall chain.
+     * Enables the chain for specified uids and disables the chain for non-specified uids.
      *
-     * The chain may be an allowlist chain or a denylist chain. A denylist chain contains DROP
-     * rules for the specified UIDs and a RETURN rule at the end. An allowlist chain contains RETURN
-     * rules for the system UID range (0 to {@code UID_APP} - 1), RETURN rules for the specified
-     * UIDs, and a DROP rule at the end. The chain will be created if it does not exist.
-     *
-     * @param chainName   The name of the chain to replace.
-     * @param isAllowlist Whether this is an allowlist or denylist chain.
+     * @param chain       Target chain.
      * @param uids        The list of UIDs to allow/deny.
-     * @return 0 if the chain was successfully replaced, errno otherwise.
+     * @throws UnsupportedOperationException if called on pre-T devices.
+     * @throws IllegalArgumentException if {@code chain} is not a valid chain.
      */
-    public int replaceUidChain(final String chainName, final boolean isAllowlist,
-            final int[] uids) {
-        synchronized (sUidOwnerMap) {
-            final int err = native_replaceUidChain(chainName, isAllowlist, uids);
-            if (err != 0) {
-                Log.e(TAG, "replaceUidChain failed: " + Os.strerror(-err));
+    public void replaceUidChain(final int chain, final int[] uids) {
+        throwIfPreT("replaceUidChain is not available on pre-T devices");
+
+        final long match;
+        try {
+            match = getMatchByFirewallChain(chain);
+        } catch (ServiceSpecificException e) {
+            // Throws IllegalArgumentException to keep the behavior of
+            // ConnectivityManager#replaceFirewallChain API
+            throw new IllegalArgumentException("Invalid firewall chain: " + chain);
+        }
+        final Set<Integer> uidSet = Arrays.stream(uids).boxed().collect(Collectors.toSet());
+        final Set<Integer> uidSetToRemoveRule = new HashSet<>();
+        try {
+            synchronized (sUidOwnerMap) {
+                sUidOwnerMap.forEach((uid, config) -> {
+                    // config could be null if there is a concurrent entry deletion.
+                    // http://b/220084230.
+                    if (config != null
+                            && !uidSet.contains((int) uid.val) && (config.rule & match) != 0) {
+                        uidSetToRemoveRule.add((int) uid.val);
+                    }
+                });
+
+                for (final int uid : uidSetToRemoveRule) {
+                    removeRule(uid, match, "replaceUidChain");
+                }
+                for (final int uid : uids) {
+                    addRule(uid, match, "replaceUidChain");
+                }
             }
-            return -err;
+        } catch (ErrnoException | ServiceSpecificException e) {
+            Log.e(TAG, "replaceUidChain failed: " + e);
         }
     }
 
@@ -590,6 +660,7 @@
     private native int native_addNiceApp(int uid);
     @GuardedBy("sUidOwnerMap")
     private native int native_removeNiceApp(int uid);
+    private native int native_setChildChain(int childChain, boolean enable);
     @GuardedBy("sUidOwnerMap")
     private native int native_replaceUidChain(String name, boolean isAllowlist, int[] uids);
     @GuardedBy("sUidOwnerMap")
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 7050b42..7b5026d 100644
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -1399,8 +1399,8 @@
          * @param netd
          * @return BpfNetMaps implementation.
          */
-        public BpfNetMaps getBpfNetMaps(INetd netd) {
-            return new BpfNetMaps(netd);
+        public BpfNetMaps getBpfNetMaps(Context context, INetd netd) {
+            return new BpfNetMaps(context, netd);
         }
 
         /**
@@ -1529,7 +1529,7 @@
         mProxyTracker = mDeps.makeProxyTracker(mContext, mHandler);
 
         mNetd = netd;
-        mBpfNetMaps = mDeps.getBpfNetMaps(netd);
+        mBpfNetMaps = mDeps.getBpfNetMaps(mContext, netd);
         mTelephonyManager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
         mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
         mLocationPermissionChecker = mDeps.makeLocationPermissionChecker(mContext);
@@ -3604,11 +3604,12 @@
 
             switch (msg.what) {
                 case NetworkAgent.EVENT_NETWORK_CAPABILITIES_CHANGED: {
-                    final NetworkCapabilities networkCapabilities = new NetworkCapabilities(
-                            (NetworkCapabilities) arg.second);
-                    maybeUpdateWifiRoamTimestamp(nai, networkCapabilities);
-                    processCapabilitiesFromAgent(nai, networkCapabilities);
-                    updateCapabilities(nai.getCurrentScore(), nai, networkCapabilities);
+                    nai.declaredCapabilitiesUnsanitized =
+                            new NetworkCapabilities((NetworkCapabilities) arg.second);
+                    final NetworkCapabilities sanitized = sanitizedCapabilitiesFromAgent(
+                            mCarrierPrivilegeAuthenticator, nai);
+                    maybeUpdateWifiRoamTimestamp(nai, sanitized);
+                    updateCapabilities(nai.getCurrentScore(), nai, sanitized);
                     break;
                 }
                 case NetworkAgent.EVENT_NETWORK_PROPERTIES_CHANGED: {
@@ -7323,11 +7324,14 @@
         if (VDBG) log("Network Monitor created for " +  nai);
         // nai.nc and nai.lp are the same object that was passed by the network agent if the agent
         // lives in the same process as this code (e.g. wifi), so make sure this code doesn't
-        // mutate their object
-        final NetworkCapabilities nc = new NetworkCapabilities(nai.networkCapabilities);
+        // mutate their object. TODO : make this copy much earlier to avoid them mutating it
+        // while the network monitor is starting.
         final LinkProperties lp = new LinkProperties(nai.linkProperties);
-        // Make sure the LinkProperties and NetworkCapabilities reflect what the agent info says.
-        processCapabilitiesFromAgent(nai, nc);
+        // Store a copy of the declared capabilities.
+        nai.declaredCapabilitiesUnsanitized = new NetworkCapabilities(nai.networkCapabilities);
+        // Make sure the LinkProperties and NetworkCapabilities reflect what the agent info said.
+        final NetworkCapabilities nc =
+                sanitizedCapabilitiesFromAgent(mCarrierPrivilegeAuthenticator, nai);
         nai.getAndSetNetworkCapabilities(mixInCapabilities(nai, nc));
         processLinkPropertiesFromAgent(nai, lp);
         nai.linkProperties = lp;
@@ -7792,28 +7796,35 @@
     }
 
     /**
-     * Called when receiving NetworkCapabilities directly from a NetworkAgent.
-     * Stores into |nai| any data coming from the agent that might also be written to the network's
-     * NetworkCapabilities by ConnectivityService itself. This ensures that the data provided by the
-     * agent is not lost when updateCapabilities is called.
+     * Sanitize capabilities coming from a network agent.
+     *
+     * Agents have restrictions on what capabilities they can send to Connectivity. For example,
+     * they can't change the owner UID from what they declared before, and complex restrictions
+     * apply to the accessUids field.
+     * They also should not mutate immutable capabilities, although for backward-compatibility
+     * this is not enforced and limited to just a log.
+     *
+     * This method returns a sanitized copy of the passed capabilities to make sure they don't
+     * contain stuff they should not, and should generally be called by code that accesses
+     * {@link NetworkAgentInfo#declaredCapabilitiesUnsanitized}.
      */
-    private void processCapabilitiesFromAgent(NetworkAgentInfo nai, NetworkCapabilities nc) {
+    // TODO : move this to NetworkAgentInfo
+    private NetworkCapabilities sanitizedCapabilitiesFromAgent(
+            final CarrierPrivilegeAuthenticator carrierPrivilegeAuthenticator,
+            @NonNull final NetworkAgentInfo nai) {
+        final NetworkCapabilities nc = new NetworkCapabilities(nai.declaredCapabilitiesUnsanitized);
         if (nc.hasConnectivityManagedCapability()) {
             Log.wtf(TAG, "BUG: " + nai + " has CS-managed capability.");
         }
-        // Note: resetting the owner UID before storing the agent capabilities in NAI means that if
-        // the agent attempts to change the owner UID, then nai.declaredCapabilities will not
-        // actually be the same as the capabilities sent by the agent. Still, it is safer to reset
-        // the owner UID here and behave as if the agent had never tried to change it.
         if (nai.networkCapabilities.getOwnerUid() != nc.getOwnerUid()) {
             Log.e(TAG, nai.toShortString() + ": ignoring attempt to change owner from "
                     + nai.networkCapabilities.getOwnerUid() + " to " + nc.getOwnerUid());
             nc.setOwnerUid(nai.networkCapabilities.getOwnerUid());
         }
-        nai.declaredCapabilities = new NetworkCapabilities(nc);
         NetworkAgentInfo.restrictCapabilitiesFromNetworkAgent(nc, nai.creatorUid,
                 mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE),
-                mCarrierPrivilegeAuthenticator);
+                carrierPrivilegeAuthenticator);
+        return nc;
     }
 
     /** Modifies |newNc| based on the capabilities of |underlyingNetworks| and |agentCaps|. */
@@ -7940,7 +7951,8 @@
         }
 
         if (nai.propagateUnderlyingCapabilities()) {
-            applyUnderlyingCapabilities(nai.declaredUnderlyingNetworks, nai.declaredCapabilities,
+            applyUnderlyingCapabilities(nai.declaredUnderlyingNetworks,
+                    sanitizedCapabilitiesFromAgent(mCarrierPrivilegeAuthenticator, nai),
                     newNc);
         }
 
@@ -11387,39 +11399,6 @@
     public void replaceFirewallChain(final int chain, final int[] uids) {
         enforceNetworkStackOrSettingsPermission();
 
-        try {
-            switch (chain) {
-                case ConnectivityManager.FIREWALL_CHAIN_DOZABLE:
-                    mBpfNetMaps.replaceUidChain("fw_dozable", true /* isAllowList */, uids);
-                    break;
-                case ConnectivityManager.FIREWALL_CHAIN_STANDBY:
-                    mBpfNetMaps.replaceUidChain("fw_standby", false /* isAllowList */, uids);
-                    break;
-                case ConnectivityManager.FIREWALL_CHAIN_POWERSAVE:
-                    mBpfNetMaps.replaceUidChain("fw_powersave", true /* isAllowList */, uids);
-                    break;
-                case ConnectivityManager.FIREWALL_CHAIN_RESTRICTED:
-                    mBpfNetMaps.replaceUidChain("fw_restricted", true /* isAllowList */, uids);
-                    break;
-                case ConnectivityManager.FIREWALL_CHAIN_LOW_POWER_STANDBY:
-                    mBpfNetMaps.replaceUidChain("fw_low_power_standby", true /* isAllowList */,
-                            uids);
-                    break;
-                case ConnectivityManager.FIREWALL_CHAIN_OEM_DENY_1:
-                    mBpfNetMaps.replaceUidChain("fw_oem_deny_1", false /* isAllowList */, uids);
-                    break;
-                case ConnectivityManager.FIREWALL_CHAIN_OEM_DENY_2:
-                    mBpfNetMaps.replaceUidChain("fw_oem_deny_2", false /* isAllowList */, uids);
-                    break;
-                case ConnectivityManager.FIREWALL_CHAIN_OEM_DENY_3:
-                    mBpfNetMaps.replaceUidChain("fw_oem_deny_3", false /* isAllowList */, uids);
-                    break;
-                default:
-                    throw new IllegalArgumentException("replaceFirewallChain with invalid chain: "
-                            + chain);
-            }
-        } catch (ServiceSpecificException e) {
-            throw new IllegalStateException(e);
-        }
+        mBpfNetMaps.replaceUidChain(chain, uids);
     }
 }
diff --git a/service/src/com/android/server/connectivity/ClatCoordinator.java b/service/src/com/android/server/connectivity/ClatCoordinator.java
index 5ea586a..6c4a021 100644
--- a/service/src/com/android/server/connectivity/ClatCoordinator.java
+++ b/service/src/com/android/server/connectivity/ClatCoordinator.java
@@ -46,6 +46,8 @@
 import com.android.net.module.util.bpf.ClatEgress4Value;
 import com.android.net.module.util.bpf.ClatIngress6Key;
 import com.android.net.module.util.bpf.ClatIngress6Value;
+import com.android.net.module.util.bpf.CookieTagMapKey;
+import com.android.net.module.util.bpf.CookieTagMapValue;
 
 import java.io.FileDescriptor;
 import java.io.IOException;
@@ -63,6 +65,10 @@
 public class ClatCoordinator {
     private static final String TAG = ClatCoordinator.class.getSimpleName();
 
+    // Sync from system/core/libcutils/include/private/android_filesystem_config.h
+    @VisibleForTesting
+    static final int AID_CLAT = 1029;
+
     // Sync from external/android-clat/clatd.c
     // 40 bytes IPv6 header - 20 bytes IPv4 header + 8 bytes fragment header.
     @VisibleForTesting
@@ -97,6 +103,8 @@
     @VisibleForTesting
     static final int PRIO_CLAT = 4;
 
+    private static final String COOKIE_TAG_MAP_PATH =
+            "/sys/fs/bpf/netd_shared/map_netd_cookie_tag_map";
     private static final String CLAT_EGRESS4_MAP_PATH = makeMapPath("egress4");
     private static final String CLAT_INGRESS6_MAP_PATH = makeMapPath("ingress6");
 
@@ -121,6 +129,8 @@
     @Nullable
     private final IBpfMap<ClatEgress4Key, ClatEgress4Value> mEgressMap;
     @Nullable
+    private final IBpfMap<CookieTagMapKey, CookieTagMapValue> mCookieTagMap;
+    @Nullable
     private ClatdTracker mClatdTracker = null;
 
     /**
@@ -232,17 +242,10 @@
         }
 
         /**
-         * Tag socket as clat.
+         * Get socket cookie.
          */
-        public long tagSocketAsClat(@NonNull FileDescriptor sock) throws IOException {
-            return native_tagSocketAsClat(sock);
-        }
-
-        /**
-         * Untag socket.
-         */
-        public void untagSocket(long cookie) throws IOException {
-            native_untagSocket(cookie);
+        public long getSocketCookie(@NonNull FileDescriptor sock) throws IOException {
+            return native_getSocketCookie(sock);
         }
 
         /** Get ingress6 BPF map. */
@@ -279,6 +282,23 @@
             }
         }
 
+        /** Get cookie tag map */
+        @Nullable
+        public IBpfMap<CookieTagMapKey, CookieTagMapValue> getBpfCookieTagMap() {
+            // Pre-T devices don't use ClatCoordinator to access clat map. Since Nat464Xlat
+            // initializes a ClatCoordinator object to avoid redundant null pointer check
+            // while using, ignore the BPF map initialization on pre-T devices.
+            // TODO: probably don't initialize ClatCoordinator object on pre-T devices.
+            if (!SdkLevel.isAtLeastT()) return null;
+            try {
+                return new BpfMap<>(COOKIE_TAG_MAP_PATH,
+                        BpfMap.BPF_F_RDWR, CookieTagMapKey.class, CookieTagMapValue.class);
+            } catch (ErrnoException e) {
+                Log.wtf(TAG, "Cannot open cookie tag map: " + e);
+                return null;
+            }
+        }
+
         /** Checks if the network interface uses an ethernet L2 header. */
         public boolean isEthernet(String iface) throws IOException {
             return TcUtils.isEthernet(iface);
@@ -388,6 +408,7 @@
         mNetd = mDeps.getNetd();
         mIngressMap = mDeps.getBpfIngress6Map();
         mEgressMap = mDeps.getBpfEgress4Map();
+        mCookieTagMap = mDeps.getBpfCookieTagMap();
     }
 
     private void maybeStartBpf(final ClatdTracker tracker) {
@@ -536,6 +557,43 @@
         }
     }
 
+    private void tagSocketAsClat(long cookie) throws IOException {
+        if (mCookieTagMap == null) {
+            throw new IOException("Cookie tag map is not initialized");
+        }
+
+        // Tag raw socket with uid AID_CLAT and set tag as zero because tag is unused in bpf
+        // program for counting data usage in netd.c. Tagging socket is used to avoid counting
+        // duplicated clat traffic in bpf stat.
+        final CookieTagMapKey key = new CookieTagMapKey(cookie);
+        final CookieTagMapValue value = new CookieTagMapValue(AID_CLAT, 0 /* tag, unused */);
+        try {
+            mCookieTagMap.insertEntry(key, value);
+        } catch (ErrnoException | IllegalStateException e) {
+            throw new IOException("Could not insert entry (" + key + ", " + value
+                    + ") on cookie tag map: " + e);
+        }
+        Log.i(TAG, "tag socket cookie " + cookie);
+    }
+
+    private void untagSocket(long cookie) throws IOException {
+        if (mCookieTagMap == null) {
+            throw new IOException("Cookie tag map is not initialized");
+        }
+
+        // The reason that deleting entry from cookie tag map directly is that the tag socket
+        // destroy listener only monitors on group INET_TCP, INET_UDP, INET6_TCP, INET6_UDP.
+        // The other socket types, ex: raw, are not able to be removed automatically by the
+        // listener. See TrafficController::makeSkDestroyListener.
+        final CookieTagMapKey key = new CookieTagMapKey(cookie);
+        try {
+            mCookieTagMap.deleteEntry(key);
+        } catch (ErrnoException | IllegalStateException e) {
+            throw new IOException("Could not delete entry (" + key + ") on cookie tag map: " + e);
+        }
+        Log.i(TAG, "untag socket cookie " + cookie);
+    }
+
     /**
      * Start clatd for a given interface and NAT64 prefix.
      */
@@ -686,7 +744,8 @@
         // Tag socket as AID_CLAT to avoid duplicated CLAT data usage accounting.
         final long cookie;
         try {
-            cookie = mDeps.tagSocketAsClat(writeSock6.getFileDescriptor());
+            cookie = mDeps.getSocketCookie(writeSock6.getFileDescriptor());
+            tagSocketAsClat(cookie);
         } catch (IOException e) {
             maybeCleanUp(tunFd, readSock6, writeSock6);
             throw new IOException("tag raw socket failed: " + e);
@@ -696,6 +755,11 @@
         try {
             mDeps.configurePacketSocket(readSock6.getFileDescriptor(), v6Str, ifIndex);
         } catch (IOException e) {
+            try {
+                untagSocket(cookie);
+            } catch (IOException e2) {
+                Log.e(TAG, "untagSocket cookie " + cookie + " failed: " + e2);
+            }
             maybeCleanUp(tunFd, readSock6, writeSock6);
             throw new IOException("configure packet socket failed: " + e);
         }
@@ -706,8 +770,11 @@
             pid = mDeps.startClatd(tunFd.getFileDescriptor(), readSock6.getFileDescriptor(),
                     writeSock6.getFileDescriptor(), iface, pfx96Str, v4Str, v6Str);
         } catch (IOException e) {
-            // TODO: probably refactor to handle the exception of #untagSocket if any.
-            mDeps.untagSocket(cookie);
+            try {
+                untagSocket(cookie);
+            } catch (IOException e2) {
+                Log.e(TAG, "untagSocket cookie " + cookie + " failed: " + e2);
+            }
             throw new IOException("Error start clatd on " + iface + ": " + e);
         } finally {
             // The file descriptors have been duplicated (dup2) to clatd in native_startClatd().
@@ -774,7 +841,7 @@
         mDeps.stopClatd(mClatdTracker.iface, mClatdTracker.pfx96.getHostAddress(),
                 mClatdTracker.v4.getHostAddress(), mClatdTracker.v6.getHostAddress(),
                 mClatdTracker.pid);
-        mDeps.untagSocket(mClatdTracker.cookie);
+        untagSocket(mClatdTracker.cookie);
 
         Log.i(TAG, "clatd on " + mClatdTracker.iface + " stopped");
         mClatdTracker = null;
@@ -870,6 +937,5 @@
             throws IOException;
     private static native void native_stopClatd(String iface, String pfx96, String v4, String v6,
             int pid) throws IOException;
-    private static native long native_tagSocketAsClat(FileDescriptor sock) throws IOException;
-    private static native void native_untagSocket(long cookie) throws IOException;
+    private static native long native_getSocketCookie(FileDescriptor sock) throws IOException;
 }
diff --git a/service/src/com/android/server/connectivity/DscpPolicyTracker.java b/service/src/com/android/server/connectivity/DscpPolicyTracker.java
index 8cb3213..2bfad10 100644
--- a/service/src/com/android/server/connectivity/DscpPolicyTracker.java
+++ b/service/src/com/android/server/connectivity/DscpPolicyTracker.java
@@ -185,7 +185,7 @@
                         new DscpPolicyValue(policy.getSourceAddress(),
                             policy.getDestinationAddress(), ifIndex,
                             policy.getSourcePort(), policy.getDestinationPortRange(),
-                            (short) policy.getProtocol(), (short) policy.getDscpValue()));
+                            (short) policy.getProtocol(), (byte) policy.getDscpValue()));
             }
 
             // Add v6 policy to mBpfDscpIpv6Policies if source and destination address
@@ -196,7 +196,7 @@
                         new DscpPolicyValue(policy.getSourceAddress(),
                                 policy.getDestinationAddress(), ifIndex,
                                 policy.getSourcePort(), policy.getDestinationPortRange(),
-                                (short) policy.getProtocol(), (short) policy.getDscpValue()));
+                                (short) policy.getProtocol(), (byte) policy.getDscpValue()));
             }
 
             ifacePolicies.put(policy.getPolicyId(), addIndex);
diff --git a/service/src/com/android/server/connectivity/DscpPolicyValue.java b/service/src/com/android/server/connectivity/DscpPolicyValue.java
index 6e4e7eb..4bb41da 100644
--- a/service/src/com/android/server/connectivity/DscpPolicyValue.java
+++ b/service/src/com/android/server/connectivity/DscpPolicyValue.java
@@ -52,8 +52,8 @@
     @Field(order = 6, type = Type.U8)
     public final short proto;
 
-    @Field(order = 7, type = Type.U8)
-    public final short dscp;
+    @Field(order = 7, type = Type.S8)
+    public final byte dscp;
 
     @Field(order = 8, type = Type.U8, padding = 3)
     public final short mask;
@@ -100,7 +100,7 @@
             InetAddress.parseNumericAddress("::").getAddress();
 
     private short makeMask(final byte[] src46, final byte[] dst46, final int srcPort,
-            final int dstPortStart, final short proto, final short dscp) {
+            final int dstPortStart, final short proto, final byte dscp) {
         short mask = 0;
         if (src46 != EMPTY_ADDRESS_FIELD) {
             mask |= SRC_IP_MASK;
@@ -122,7 +122,7 @@
 
     private DscpPolicyValue(final InetAddress src46, final InetAddress dst46, final long ifIndex,
             final int srcPort, final int dstPortStart, final int dstPortEnd, final short proto,
-            final short dscp) {
+            final byte dscp) {
         this.src46 = toAddressField(src46);
         this.dst46 = toAddressField(dst46);
         this.ifIndex = ifIndex;
@@ -142,7 +142,7 @@
 
     public DscpPolicyValue(final InetAddress src46, final InetAddress dst46, final long ifIndex,
             final int srcPort, final Range<Integer> dstPort, final short proto,
-            final short dscp) {
+            final byte dscp) {
         this(src46, dst46, ifIndex, srcPort, dstPort != null ? dstPort.getLower() : -1,
                 dstPort != null ? dstPort.getUpper() : -1, proto, dscp);
     }
@@ -150,7 +150,7 @@
     public static final DscpPolicyValue NONE = new DscpPolicyValue(
             null /* src46 */, null /* dst46 */, 0 /* ifIndex */, -1 /* srcPort */,
             -1 /* dstPortStart */, -1 /* dstPortEnd */, (short) -1 /* proto */,
-            (short) 0 /* dscp */);
+            (byte) -1 /* dscp */);
 
     @Override
     public String toString() {
diff --git a/service/src/com/android/server/connectivity/NetworkAgentInfo.java b/service/src/com/android/server/connectivity/NetworkAgentInfo.java
index b40b6e0..04031af 100644
--- a/service/src/com/android/server/connectivity/NetworkAgentInfo.java
+++ b/service/src/com/android/server/connectivity/NetworkAgentInfo.java
@@ -181,8 +181,12 @@
 
     // The capabilities originally announced by the NetworkAgent, regardless of any capabilities
     // that were added or removed due to this network's underlying networks.
-    // Only set if #propagateUnderlyingCapabilities is true.
-    public @Nullable NetworkCapabilities declaredCapabilities;
+    //
+    // As the name implies, these capabilities are not sanitized and are not to
+    // be trusted. Most callers should simply use the {@link networkCapabilities}
+    // field instead, and callers who need the declared capabilities should generally
+    // pass these to {@link ConnectivityService#sanitizedCapabilitiesFromAgent} before using them.
+    public @Nullable NetworkCapabilities declaredCapabilitiesUnsanitized;
 
     // Indicates if netd has been told to create this Network. From this point on the appropriate
     // routing rules are setup and routes are added so packets can begin flowing over the Network.
diff --git a/tests/cts/net/Android.bp b/tests/cts/net/Android.bp
index 62f37bb..a6179fc 100644
--- a/tests/cts/net/Android.bp
+++ b/tests/cts/net/Android.bp
@@ -128,3 +128,18 @@
     ],
 }
 
+android_test {
+    name: "CtsNetTestCasesMaxTargetSdk30",  // Must match CtsNetTestCasesMaxTargetSdk30 annotation.
+    defaults: [
+        "CtsNetTestCasesDefaults",
+        "CtsNetTestCasesApiStableDefaults",
+    ],
+    target_sdk_version: "30",
+    package_name: "android.net.cts.maxtargetsdk30",  // CTS package names must be unique.
+    instrumentation_target_package: "android.net.cts.maxtargetsdk30",
+    test_suites: [
+        "cts",
+        "general-tests",
+        "mts-networking",
+    ],
+}
diff --git a/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java b/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java
index 834f11b..6ff2458 100644
--- a/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java
+++ b/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java
@@ -189,6 +189,7 @@
 import com.android.networkstack.apishim.NetworkInformationShimImpl;
 import com.android.networkstack.apishim.common.ConnectivityManagerShim;
 import com.android.testutils.CompatUtil;
+import com.android.testutils.ConnectivityModuleTest;
 import com.android.testutils.DevSdkIgnoreRule;
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
 import com.android.testutils.DeviceInfoUtils;
@@ -3361,7 +3362,7 @@
         }, NETWORK_SETTINGS);
     }
 
-    @Test @IgnoreUpTo(SC_V2)
+    @Test @IgnoreUpTo(SC_V2) @ConnectivityModuleTest
     @AppModeFull(reason = "Socket cannot bind in instant app mode")
     public void testFirewallBlocking() {
         // ALLOWLIST means the firewall denies all by default, uids must be explicitly allowed
diff --git a/tests/cts/net/src/android/net/cts/DscpPolicyTest.kt b/tests/cts/net/src/android/net/cts/DscpPolicyTest.kt
index b68d3bf..be2911b 100644
--- a/tests/cts/net/src/android/net/cts/DscpPolicyTest.kt
+++ b/tests/cts/net/src/android/net/cts/DscpPolicyTest.kt
@@ -67,6 +67,7 @@
 import com.android.net.module.util.structs.EthernetHeader
 import com.android.testutils.ArpResponder
 import com.android.testutils.CompatUtil
+import com.android.testutils.ConnectivityModuleTest
 import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.assertParcelingIsLossless
 import com.android.testutils.RouterAdvertisementResponder
@@ -77,6 +78,7 @@
 import com.android.testutils.TestableNetworkAgent.CallbackEntry.OnNetworkCreated
 import com.android.testutils.TestableNetworkAgent.CallbackEntry.OnDscpPolicyStatusUpdated
 import com.android.testutils.TestableNetworkCallback
+import com.android.net.module.util.IpUtils
 import org.junit.After
 import org.junit.Assume.assumeTrue
 import org.junit.Before
@@ -88,6 +90,7 @@
 import java.net.InetSocketAddress
 import java.nio.ByteBuffer
 import java.nio.ByteOrder
+import java.util.Arrays
 import java.util.regex.Pattern
 import kotlin.test.assertEquals
 import kotlin.test.assertNotNull
@@ -107,6 +110,7 @@
 
 @AppModeFull(reason = "Instant apps cannot create test networks")
 @RunWith(AndroidJUnit4::class)
+@ConnectivityModuleTest
 class DscpPolicyTest {
     @JvmField
     @Rule
@@ -223,15 +227,13 @@
 
         var inet6Addr: Inet6Address? = null
         val timeout = SystemClock.elapsedRealtime() + PACKET_TIMEOUT_MS
+        val onLinkPrefix = raResponder.prefix
         while (timeout > SystemClock.elapsedRealtime()) {
             try {
                 // Pick any arbitrary port
                 Os.connect(sock, TEST_TARGET_IPV6_ADDR, 12345)
                 val sockAddr = Os.getsockname(sock) as InetSocketAddress
-
-                // TODO: make RouterAdvertisementResponder.SLAAC_PREFIX public and use it here,
-                // or make it configurable and configure it here.
-                if (IpPrefix("2001:db8::/64").contains(sockAddr.address)) {
+                if (onLinkPrefix.contains(sockAddr.address)) {
                     inet6Addr = sockAddr.address as Inet6Address
                     break
                 }
@@ -315,6 +317,9 @@
     }
 
     fun parseV4PacketDscp(buffer: ByteBuffer): Int {
+        // Validate checksum before parsing packet.
+        val calCheck = IpUtils.ipChecksum(buffer, Struct.getSize(EthernetHeader::class.java))
+
         val ip_ver = buffer.get()
         val tos = buffer.get()
         val length = buffer.getShort()
@@ -323,6 +328,8 @@
         val ttl = buffer.get()
         val ipType = buffer.get()
         val checksum = buffer.getShort()
+
+        assertEquals(0, calCheck, "Invalid IPv4 header checksum")
         return tos.toInt().shr(2)
     }
 
@@ -397,6 +404,7 @@
         val packets = generateSequence { reader.poll(PACKET_TIMEOUT_MS) }
         for (packet in packets) {
             val buffer = ByteBuffer.wrap(packet, 0, packet.size).order(ByteOrder.BIG_ENDIAN)
+
             // TODO: consider using Struct.parse for all packet parsing.
             val etherHdr = Struct.parse(EthernetHeader::class.java, buffer)
             val expectedType = if (sendV6) ETHER_TYPE_IPV6 else ETHER_TYPE_IPV4
@@ -440,6 +448,9 @@
             assertEquals(DSCP_POLICY_STATUS_SUCCESS, it.status)
         }
         validatePacket(agent, dscpValue = 1, dstPort = 4444)
+        // Send a second packet to validate that the stored BPF policy
+        // is correct for subsequent packets.
+        validatePacket(agent, dscpValue = 1, dstPort = 4444)
 
         agent.sendRemoveDscpPolicy(1)
         agent.expectCallback<OnDscpPolicyStatusUpdated>().let {
@@ -478,6 +489,9 @@
             assertEquals(DSCP_POLICY_STATUS_SUCCESS, it.status)
         }
         validatePacket(agent, true, dscpValue = 1, dstPort = 4444)
+        // Send a second packet to validate that the stored BPF policy
+        // is correct for subsequent packets.
+        validatePacket(agent, true, dscpValue = 1, dstPort = 4444)
 
         agent.sendRemoveDscpPolicy(1)
         agent.expectCallback<OnDscpPolicyStatusUpdated>().let {
diff --git a/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt b/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
index 89b107e..650450f 100644
--- a/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
+++ b/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
@@ -68,6 +68,7 @@
 import com.android.testutils.RecorderCallback.CallbackEntry.CapabilitiesChanged
 import com.android.testutils.RecorderCallback.CallbackEntry.Lost
 import com.android.testutils.RouterAdvertisementResponder
+import com.android.testutils.SkipPresubmit
 import com.android.testutils.TapPacketReader
 import com.android.testutils.TestableNetworkCallback
 import com.android.testutils.anyNetwork
@@ -117,6 +118,7 @@
 @RunWith(DevSdkIgnoreRunner::class)
 // This test depends on behavior introduced post-T as part of connectivity module updates
 @ConnectivityModuleTest
+@SkipPresubmit(reason = "Flaky: b/240323229; remove annotation after fixing")
 @DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.S_V2)
 class EthernetManagerTest {
 
diff --git a/tests/cts/net/src/android/net/cts/NsdManagerTest.kt b/tests/cts/net/src/android/net/cts/NsdManagerTest.kt
index 64cc97d..a02be85 100644
--- a/tests/cts/net/src/android/net/cts/NsdManagerTest.kt
+++ b/tests/cts/net/src/android/net/cts/NsdManagerTest.kt
@@ -16,6 +16,7 @@
 package android.net.cts
 
 import android.Manifest.permission.MANAGE_TEST_NETWORKS
+import android.app.compat.CompatChanges
 import android.net.ConnectivityManager
 import android.net.ConnectivityManager.NetworkCallback
 import android.net.LinkProperties
@@ -46,6 +47,7 @@
 import android.net.nsd.NsdManager.RegistrationListener
 import android.net.nsd.NsdManager.ResolveListener
 import android.net.nsd.NsdServiceInfo
+import android.os.Build
 import android.os.Handler
 import android.os.HandlerThread
 import android.os.Process.myTid
@@ -56,17 +58,23 @@
 import com.android.net.module.util.ArrayTrackRecord
 import com.android.net.module.util.TrackRecord
 import com.android.networkstack.apishim.NsdShimImpl
+import com.android.testutils.ConnectivityModuleTest
+import com.android.testutils.DevSdkIgnoreRule
 import com.android.testutils.TestableNetworkAgent
 import com.android.testutils.TestableNetworkCallback
+import com.android.testutils.filters.CtsNetTestCasesMaxTargetSdk30
 import com.android.testutils.runAsShell
 import com.android.testutils.tryTest
 import org.junit.After
 import org.junit.Assert.assertArrayEquals
+import org.junit.Assert.assertFalse
 import org.junit.Assert.assertTrue
 import org.junit.Assume.assumeTrue
 import org.junit.Before
+import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
+import java.io.File
 import java.net.ServerSocket
 import java.nio.charset.StandardCharsets
 import java.util.Random
@@ -89,6 +97,10 @@
 @AppModeFull(reason = "Socket cannot bind in instant app mode")
 @RunWith(AndroidJUnit4::class)
 class NsdManagerTest {
+    // Rule used to filter CtsNetTestCasesMaxTargetSdkXX
+    @get:Rule
+    val ignoreRule = DevSdkIgnoreRule()
+
     private val context by lazy { InstrumentationRegistry.getInstrumentation().context }
     private val nsdManager by lazy { context.getSystemService(NsdManager::class.java) }
 
@@ -692,6 +704,30 @@
         }
     }
 
+    @Test @CtsNetTestCasesMaxTargetSdk30("Socket is started with the service up to target SDK 30")
+    fun testManagerCreatesLegacySocket() {
+        nsdManager // Ensure the lazy-init member is initialized, so NsdManager is created
+        val socket = File("/dev/socket/mdnsd")
+        val timeout = System.currentTimeMillis() + TIMEOUT_MS
+        while (!socket.exists() && System.currentTimeMillis() < timeout) {
+            Thread.sleep(10)
+        }
+        assertTrue("$socket was not found after $TIMEOUT_MS ms", socket.exists())
+    }
+
+    // The compat change is part of a connectivity module update that applies to T+
+    @ConnectivityModuleTest @DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.S_V2)
+    @Test @CtsNetTestCasesMaxTargetSdk30("Socket is started with the service up to target SDK 30")
+    fun testManagerCreatesLegacySocket_CompatChange() {
+        // The socket may have been already created by some other app, or some other test, in which
+        // case this test cannot verify creation. At least verify that the compat change is
+        // disabled in a process with max SDK 30; unit tests already verify that start is requested
+        // when the compat change is disabled.
+        // Note that before T the compat constant had a different int value.
+        assertFalse(CompatChanges.isChangeEnabled(
+                NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER))
+    }
+
     /**
      * Register a service and return its registration record.
      */
diff --git a/tests/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt b/tests/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt
index efc24d3..73e4c0e 100644
--- a/tests/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt
+++ b/tests/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt
@@ -209,7 +209,7 @@
         doReturn(mock(ProxyTracker::class.java)).`when`(deps).makeProxyTracker(any(), any())
         doReturn(mock(MockableSystemProperties::class.java)).`when`(deps).systemProperties
         doReturn(TestNetIdManager()).`when`(deps).makeNetIdManager()
-        doReturn(mock(BpfNetMaps::class.java)).`when`(deps).getBpfNetMaps(any())
+        doReturn(mock(BpfNetMaps::class.java)).`when`(deps).getBpfNetMaps(any(), any())
         doAnswer { inv ->
             object : MultinetworkPolicyTracker(inv.getArgument(0), inv.getArgument(1),
                     inv.getArgument(2)) {
diff --git a/tests/integration/util/com/android/server/NetworkAgentWrapper.java b/tests/integration/util/com/android/server/NetworkAgentWrapper.java
index 2763f5a..97688d5 100644
--- a/tests/integration/util/com/android/server/NetworkAgentWrapper.java
+++ b/tests/integration/util/com/android/server/NetworkAgentWrapper.java
@@ -61,6 +61,7 @@
 import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.Consumer;
 
 public class NetworkAgentWrapper implements TestableNetworkCallback.HasNetwork {
     private final NetworkCapabilities mNetworkCapabilities;
@@ -83,14 +84,35 @@
     private final ArrayTrackRecord<CallbackType>.ReadHead mCallbackHistory =
             new ArrayTrackRecord<CallbackType>().newReadHead();
 
+    public static class Callbacks {
+        public final Consumer<NetworkAgent> onNetworkCreated;
+        public final Consumer<NetworkAgent> onNetworkUnwanted;
+        public final Consumer<NetworkAgent> onNetworkDestroyed;
+
+        public Callbacks() {
+            this(null, null, null);
+        }
+
+        public Callbacks(Consumer<NetworkAgent> onNetworkCreated,
+                Consumer<NetworkAgent> onNetworkUnwanted,
+                Consumer<NetworkAgent> onNetworkDestroyed) {
+            this.onNetworkCreated = onNetworkCreated;
+            this.onNetworkUnwanted = onNetworkUnwanted;
+            this.onNetworkDestroyed = onNetworkDestroyed;
+        }
+    }
+
+    private final Callbacks mCallbacks;
+
     public NetworkAgentWrapper(int transport, LinkProperties linkProperties,
             NetworkCapabilities ncTemplate, Context context) throws Exception {
-        this(transport, linkProperties, ncTemplate, null /* provider */, context);
+        this(transport, linkProperties, ncTemplate, null /* provider */,
+                null /* callbacks */, context);
     }
 
     public NetworkAgentWrapper(int transport, LinkProperties linkProperties,
             NetworkCapabilities ncTemplate, NetworkProvider provider,
-            Context context) throws Exception {
+            Callbacks callbacks, Context context) throws Exception {
         final int type = transportToLegacyType(transport);
         final String typeName = ConnectivityManager.getNetworkTypeName(type);
         mNetworkCapabilities = (ncTemplate != null) ? ncTemplate : new NetworkCapabilities();
@@ -135,6 +157,7 @@
                 .setLegacyTypeName(typeName)
                 .setLegacyExtraInfo(extraInfo)
                 .build();
+        mCallbacks = (callbacks != null) ? callbacks : new Callbacks();
         mNetworkAgent = makeNetworkAgent(linkProperties, mNetworkAgentConfig, provider);
     }
 
@@ -214,6 +237,31 @@
         protected void removeKeepalivePacketFilter(Message msg) {
             Log.i(mWrapper.mLogTag, "Remove keepalive packet filter.");
         }
+
+        @Override
+        public void onNetworkCreated() {
+            super.onNetworkCreated();
+            if (mWrapper.mCallbacks.onNetworkCreated != null) {
+                mWrapper.mCallbacks.onNetworkCreated.accept(this);
+            }
+        }
+
+        @Override
+        public void onNetworkUnwanted() {
+            super.onNetworkUnwanted();
+            if (mWrapper.mCallbacks.onNetworkUnwanted != null) {
+                mWrapper.mCallbacks.onNetworkUnwanted.accept(this);
+            }
+        }
+
+        @Override
+        public void onNetworkDestroyed() {
+            super.onNetworkDestroyed();
+            if (mWrapper.mCallbacks.onNetworkDestroyed != null) {
+                mWrapper.mCallbacks.onNetworkDestroyed.accept(this);
+            }
+        }
+
     }
 
     public void setScore(@NonNull final NetworkScore score) {
diff --git a/tests/mts/bpf_existence_test.cpp b/tests/mts/bpf_existence_test.cpp
index 67b4f42..c7e8b97 100644
--- a/tests/mts/bpf_existence_test.cpp
+++ b/tests/mts/bpf_existence_test.cpp
@@ -88,12 +88,8 @@
     SHARED "map_clatd_clat_egress4_map",
     SHARED "map_clatd_clat_ingress6_map",
     SHARED "map_dscpPolicy_ipv4_dscp_policies_map",
-    SHARED "map_dscpPolicy_ipv4_socket_to_policies_map_A",
-    SHARED "map_dscpPolicy_ipv4_socket_to_policies_map_B",
     SHARED "map_dscpPolicy_ipv6_dscp_policies_map",
-    SHARED "map_dscpPolicy_ipv6_socket_to_policies_map_A",
-    SHARED "map_dscpPolicy_ipv6_socket_to_policies_map_B",
-    SHARED "map_dscpPolicy_switch_comp_map",
+    SHARED "map_dscpPolicy_socket_policy_cache_map",
     NETD "map_netd_app_uid_stats_map",
     NETD "map_netd_configuration_map",
     NETD "map_netd_cookie_tag_map",
@@ -127,7 +123,6 @@
 // Provided by *current* mainline module for T+ devices with 5.15+ kernels
 static const set<string> MAINLINE_FOR_T_5_15_PLUS = {
     SHARED "prog_dscpPolicy_schedcls_set_dscp_ether",
-    SHARED "prog_dscpPolicy_schedcls_set_dscp_raw_ip",
 };
 
 void addAll(set<string>* a, const set<string>& b) {
diff --git a/tests/native/Android.bp b/tests/native/connectivity_native_test/Android.bp
similarity index 100%
rename from tests/native/Android.bp
rename to tests/native/connectivity_native_test/Android.bp
diff --git a/tests/native/AndroidTestTemplate.xml b/tests/native/connectivity_native_test/AndroidTestTemplate.xml
similarity index 100%
rename from tests/native/AndroidTestTemplate.xml
rename to tests/native/connectivity_native_test/AndroidTestTemplate.xml
diff --git a/tests/native/NetNativeTestConfigTemplate.xml b/tests/native/connectivity_native_test/NetNativeTestConfigTemplate.xml
similarity index 100%
rename from tests/native/NetNativeTestConfigTemplate.xml
rename to tests/native/connectivity_native_test/NetNativeTestConfigTemplate.xml
diff --git a/tests/native/OWNERS b/tests/native/connectivity_native_test/OWNERS
similarity index 100%
rename from tests/native/OWNERS
rename to tests/native/connectivity_native_test/OWNERS
diff --git a/tests/native/connectivity_native_test.cpp b/tests/native/connectivity_native_test/connectivity_native_test.cpp
similarity index 100%
rename from tests/native/connectivity_native_test.cpp
rename to tests/native/connectivity_native_test/connectivity_native_test.cpp
diff --git a/tests/native/utilities/Android.bp b/tests/native/utilities/Android.bp
new file mode 100644
index 0000000..4706b3d
--- /dev/null
+++ b/tests/native/utilities/Android.bp
@@ -0,0 +1,34 @@
+//
+// Copyright (C) 2022 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_test_library {
+    name: "libconnectivity_native_test_utils",
+    defaults: [
+        "netd_defaults",
+        "resolv_test_defaults"
+    ],
+    srcs: [
+        "firewall.cpp",
+    ],
+    header_libs: [
+        "bpf_connectivity_headers",
+    ],
+    export_header_lib_headers: ["bpf_connectivity_headers"],
+    export_include_dirs: ["."],
+}
diff --git a/tests/native/utilities/firewall.cpp b/tests/native/utilities/firewall.cpp
new file mode 100644
index 0000000..e4669cb
--- /dev/null
+++ b/tests/native/utilities/firewall.cpp
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "firewall.h"
+
+#include <android-base/result.h>
+#include <gtest/gtest.h>
+
+Firewall::Firewall() {
+    std::lock_guard guard(mMutex);
+    auto result = mConfigurationMap.init(CONFIGURATION_MAP_PATH);
+    EXPECT_RESULT_OK(result) << "init mConfigurationMap failed";
+
+    result = mUidOwnerMap.init(UID_OWNER_MAP_PATH);
+    EXPECT_RESULT_OK(result) << "init mUidOwnerMap failed";
+}
+
+Firewall* Firewall::getInstance() {
+    static Firewall instance;
+    return &instance;
+}
+
+Result<void> Firewall::toggleStandbyMatch(bool enable) {
+    std::lock_guard guard(mMutex);
+    uint32_t key = UID_RULES_CONFIGURATION_KEY;
+    auto oldConfiguration = mConfigurationMap.readValue(key);
+    if (!oldConfiguration.ok()) {
+        return Errorf("Cannot read the old configuration: {}", oldConfiguration.error().message());
+    }
+
+    BpfConfig newConfiguration = enable ? (oldConfiguration.value() | STANDBY_MATCH)
+                                        : (oldConfiguration.value() & (~STANDBY_MATCH));
+    auto res = mConfigurationMap.writeValue(key, newConfiguration, BPF_EXIST);
+    if (!res.ok()) return Errorf("Failed to toggle STANDBY_MATCH: {}", res.error().message());
+
+    return {};
+}
+
+Result<void> Firewall::addRule(uint32_t uid, UidOwnerMatchType match, uint32_t iif) {
+    // iif should be non-zero if and only if match == MATCH_IIF
+    if (match == IIF_MATCH && iif == 0) {
+        return Errorf("Interface match {} must have nonzero interface index", match);
+    } else if (match != IIF_MATCH && iif != 0) {
+        return Errorf("Non-interface match {} must have zero interface index", match);
+    }
+
+    std::lock_guard guard(mMutex);
+    auto oldMatch = mUidOwnerMap.readValue(uid);
+    if (oldMatch.ok()) {
+        UidOwnerValue newMatch = {
+                .iif = iif ? iif : oldMatch.value().iif,
+                .rule = static_cast<uint8_t>(oldMatch.value().rule | match),
+        };
+        auto res = mUidOwnerMap.writeValue(uid, newMatch, BPF_ANY);
+        if (!res.ok()) return Errorf("Failed to update rule: {}", res.error().message());
+    } else {
+        UidOwnerValue newMatch = {
+                .iif = iif,
+                .rule = static_cast<uint8_t>(match),
+        };
+        auto res = mUidOwnerMap.writeValue(uid, newMatch, BPF_ANY);
+        if (!res.ok()) return Errorf("Failed to add rule: {}", res.error().message());
+    }
+    return {};
+}
+
+Result<void> Firewall::removeRule(uint32_t uid, UidOwnerMatchType match) {
+    std::lock_guard guard(mMutex);
+    auto oldMatch = mUidOwnerMap.readValue(uid);
+    if (!oldMatch.ok()) return Errorf("uid: %u does not exist in map", uid);
+
+    UidOwnerValue newMatch = {
+            .iif = (match == IIF_MATCH) ? 0 : oldMatch.value().iif,
+            .rule = static_cast<uint8_t>(oldMatch.value().rule & ~match),
+    };
+    if (newMatch.rule == 0) {
+        auto res = mUidOwnerMap.deleteValue(uid);
+        if (!res.ok()) return Errorf("Failed to remove rule: {}", res.error().message());
+    } else {
+        auto res = mUidOwnerMap.writeValue(uid, newMatch, BPF_ANY);
+        if (!res.ok()) return Errorf("Failed to update rule: {}", res.error().message());
+    }
+    return {};
+}
+
+Result<void> Firewall::addUidInterfaceRules(const std::string& ifName,
+                                            const std::vector<int32_t>& uids) {
+    unsigned int iif = if_nametoindex(ifName.c_str());
+    if (!iif) return Errorf("Failed to get interface index: {}", ifName);
+
+    for (auto uid : uids) {
+        auto res = addRule(uid, IIF_MATCH, iif);
+        if (!res.ok()) return res;
+    }
+    return {};
+}
+
+Result<void> Firewall::removeUidInterfaceRules(const std::vector<int32_t>& uids) {
+    for (auto uid : uids) {
+        auto res = removeRule(uid, IIF_MATCH);
+        if (!res.ok()) return res;
+    }
+    return {};
+}
diff --git a/tests/native/utilities/firewall.h b/tests/native/utilities/firewall.h
new file mode 100644
index 0000000..185559b
--- /dev/null
+++ b/tests/native/utilities/firewall.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#pragma once
+
+#include <android-base/thread_annotations.h>
+#include <bpf/BpfMap.h>
+#include <bpf_shared.h>
+
+using android::base::Result;
+using android::bpf::BpfMap;
+
+class Firewall {
+  public:
+    Firewall() EXCLUDES(mMutex);
+    static Firewall* getInstance();
+    Result<void> toggleStandbyMatch(bool enable) EXCLUDES(mMutex);
+    Result<void> addRule(uint32_t uid, UidOwnerMatchType match, uint32_t iif = 0) EXCLUDES(mMutex);
+    Result<void> removeRule(uint32_t uid, UidOwnerMatchType match) EXCLUDES(mMutex);
+    Result<void> addUidInterfaceRules(const std::string& ifName, const std::vector<int32_t>& uids);
+    Result<void> removeUidInterfaceRules(const std::vector<int32_t>& uids);
+
+  private:
+    BpfMap<uint32_t, uint32_t> mConfigurationMap GUARDED_BY(mMutex);
+    BpfMap<uint32_t, UidOwnerValue> mUidOwnerMap GUARDED_BY(mMutex);
+    std::mutex mMutex;
+};
diff --git a/tests/unit/java/android/app/usage/NetworkStatsManagerTest.java b/tests/unit/java/android/app/usage/NetworkStatsManagerTest.java
index 71c03ff..8a537be 100644
--- a/tests/unit/java/android/app/usage/NetworkStatsManagerTest.java
+++ b/tests/unit/java/android/app/usage/NetworkStatsManagerTest.java
@@ -88,20 +88,28 @@
 
         Entry uid1Entry1 = new Entry("if1", uid1,
                 android.net.NetworkStats.SET_DEFAULT, android.net.NetworkStats.TAG_NONE,
+                android.net.NetworkStats.METERED_NO, android.net.NetworkStats.ROAMING_NO,
+                android.net.NetworkStats.DEFAULT_NETWORK_NO,
                 100, 10, 200, 20, 0);
 
         Entry uid1Entry2 = new Entry(
                 "if2", uid1,
                 android.net.NetworkStats.SET_DEFAULT, android.net.NetworkStats.TAG_NONE,
+                android.net.NetworkStats.METERED_NO, android.net.NetworkStats.ROAMING_NO,
+                android.net.NetworkStats.DEFAULT_NETWORK_NO,
                 100, 10, 200, 20, 0);
 
         Entry uid2Entry1 = new Entry("if1", uid2,
                 android.net.NetworkStats.SET_DEFAULT, android.net.NetworkStats.TAG_NONE,
+                android.net.NetworkStats.METERED_NO, android.net.NetworkStats.ROAMING_NO,
+                android.net.NetworkStats.DEFAULT_NETWORK_NO,
                 150, 10, 250, 20, 0);
 
         Entry uid2Entry2 = new Entry(
                 "if2", uid2,
                 android.net.NetworkStats.SET_DEFAULT, android.net.NetworkStats.TAG_NONE,
+                android.net.NetworkStats.METERED_NO, android.net.NetworkStats.ROAMING_NO,
+                android.net.NetworkStats.DEFAULT_NETWORK_NO,
                 150, 10, 250, 20, 0);
 
         NetworkStatsHistory history1 = new NetworkStatsHistory(10, 2);
diff --git a/tests/unit/java/android/net/NetworkStatsCollectionTest.java b/tests/unit/java/android/net/NetworkStatsCollectionTest.java
index b518a61..a6e9e95 100644
--- a/tests/unit/java/android/net/NetworkStatsCollectionTest.java
+++ b/tests/unit/java/android/net/NetworkStatsCollectionTest.java
@@ -18,6 +18,10 @@
 
 import static android.net.ConnectivityManager.TYPE_MOBILE;
 import static android.net.NetworkIdentity.OEM_NONE;
+import static android.net.NetworkStats.DEFAULT_NETWORK_NO;
+import static android.net.NetworkStats.IFACE_ALL;
+import static android.net.NetworkStats.METERED_NO;
+import static android.net.NetworkStats.ROAMING_NO;
 import static android.net.NetworkStats.SET_ALL;
 import static android.net.NetworkStats.SET_DEFAULT;
 import static android.net.NetworkStats.TAG_NONE;
@@ -480,7 +484,8 @@
         ident.add(new NetworkIdentity(ConnectivityManager.TYPE_MOBILE, -1, TEST_IMSI, null,
                 false, true, true, OEM_NONE, TEST_SUBID));
         large.recordData(ident, UID_ALL, SET_ALL, TAG_NONE, TIME_A, TIME_B,
-                new NetworkStats.Entry(12_730_893_164L, 1, 0, 0, 0));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 12_730_893_164L, 1, 0, 0, 0));
 
         // Verify untouched total
         assertEquals(12_730_893_164L, getHistory(large, null, TIME_A, TIME_C).getTotalBytes());
@@ -659,26 +664,33 @@
 
     private static void assertEntry(long rxBytes, long rxPackets, long txBytes, long txPackets,
             NetworkStats.Entry actual) {
-        assertEntry(new NetworkStats.Entry(rxBytes, rxPackets, txBytes, txPackets, 0L), actual);
+        assertEntry(new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, rxBytes, rxPackets, txBytes, txPackets, 0L),
+                actual);
     }
 
     private static void assertEntry(long rxBytes, long rxPackets, long txBytes, long txPackets,
             NetworkStatsHistory.Entry actual) {
-        assertEntry(new NetworkStats.Entry(rxBytes, rxPackets, txBytes, txPackets, 0L), actual);
+        assertEntry(new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, rxBytes, rxPackets, txBytes, txPackets, 0L),
+                actual);
     }
 
     private static void assertEntry(NetworkStats.Entry expected,
             NetworkStatsHistory.Entry actual) {
-        assertEntry(expected, new NetworkStats.Entry(actual.rxBytes, actual.rxPackets,
+        assertEntry(expected, new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE,
+                METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, actual.rxBytes, actual.rxPackets,
                 actual.txBytes, actual.txPackets, 0L));
     }
 
     private static void assertEntry(NetworkStatsHistory.Entry expected,
             NetworkStatsHistory.Entry actual) {
-        assertEntry(new NetworkStats.Entry(actual.rxBytes, actual.rxPackets,
-                actual.txBytes, actual.txPackets, 0L),
-                new NetworkStats.Entry(actual.rxBytes, actual.rxPackets,
-                actual.txBytes, actual.txPackets, 0L));
+        assertEntry(new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                        ROAMING_NO, DEFAULT_NETWORK_NO, actual.rxBytes, actual.rxPackets,
+                       actual.txBytes, actual.txPackets, 0L),
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                        ROAMING_NO, DEFAULT_NETWORK_NO, actual.rxBytes, actual.rxPackets,
+                        actual.txBytes, actual.txPackets, 0L));
     }
 
     private static void assertEntry(NetworkStats.Entry expected,
diff --git a/tests/unit/java/android/net/NetworkStatsHistoryTest.java b/tests/unit/java/android/net/NetworkStatsHistoryTest.java
index 43e331b..2170882 100644
--- a/tests/unit/java/android/net/NetworkStatsHistoryTest.java
+++ b/tests/unit/java/android/net/NetworkStatsHistoryTest.java
@@ -16,6 +16,13 @@
 
 package android.net;
 
+import static android.net.NetworkStats.DEFAULT_NETWORK_NO;
+import static android.net.NetworkStats.IFACE_ALL;
+import static android.net.NetworkStats.METERED_NO;
+import static android.net.NetworkStats.ROAMING_NO;
+import static android.net.NetworkStats.SET_DEFAULT;
+import static android.net.NetworkStats.TAG_NONE;
+import static android.net.NetworkStats.UID_ALL;
 import static android.net.NetworkStatsHistory.DataStreamUtils.readVarLong;
 import static android.net.NetworkStatsHistory.DataStreamUtils.writeVarLong;
 import static android.net.NetworkStatsHistory.Entry.UNKNOWN;
@@ -110,7 +117,8 @@
 
         // record data into narrow window to get single bucket
         stats.recordData(TEST_START, TEST_START + SECOND_IN_MILLIS,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 2L));
 
         assertEquals(1, stats.size());
         assertValues(stats, 0, SECOND_IN_MILLIS, 1024L, 10L, 2048L, 20L, 2L);
@@ -124,7 +132,8 @@
         // split equally across two buckets
         final long recordStart = TEST_START + (bucketDuration / 2);
         stats.recordData(recordStart, recordStart + bucketDuration,
-                new NetworkStats.Entry(1024L, 10L, 128L, 2L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 128L, 2L, 2L));
 
         assertEquals(2, stats.size());
         assertValues(stats, 0, HOUR_IN_MILLIS / 2, 512L, 5L, 64L, 1L, 1L);
@@ -141,7 +150,8 @@
         final long recordStart = (TEST_START + BUCKET_SIZE) - MINUTE_IN_MILLIS;
         final long recordEnd = (TEST_START + (BUCKET_SIZE * 2)) + (MINUTE_IN_MILLIS * 4);
         stats.recordData(recordStart, recordEnd,
-                new NetworkStats.Entry(1000L, 2000L, 5000L, 10000L, 100L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1000L, 2000L, 5000L, 10000L, 100L));
 
         assertEquals(3, stats.size());
         // first bucket should have (1/20 of value)
@@ -161,9 +171,11 @@
         final long firstStart = TEST_START;
         final long lastStart = TEST_START + WEEK_IN_MILLIS;
         stats.recordData(firstStart, firstStart + SECOND_IN_MILLIS,
-                new NetworkStats.Entry(128L, 2L, 256L, 4L, 1L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 128L, 2L, 256L, 4L, 1L));
         stats.recordData(lastStart, lastStart + SECOND_IN_MILLIS,
-                new NetworkStats.Entry(64L, 1L, 512L, 8L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 64L, 1L, 512L, 8L, 2L));
 
         // we should have two buckets, far apart from each other
         assertEquals(2, stats.size());
@@ -174,7 +186,8 @@
         final long middleStart = TEST_START + DAY_IN_MILLIS;
         final long middleEnd = middleStart + (HOUR_IN_MILLIS * 2);
         stats.recordData(middleStart, middleEnd,
-                new NetworkStats.Entry(2048L, 4L, 2048L, 4L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 2048L, 4L, 2048L, 4L, 2L));
 
         // now should have four buckets, with new record in middle two buckets
         assertEquals(4, stats.size());
@@ -191,10 +204,12 @@
 
         // record some data in one bucket, and another overlapping buckets
         stats.recordData(TEST_START, TEST_START + SECOND_IN_MILLIS,
-                new NetworkStats.Entry(256L, 2L, 256L, 2L, 1L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 256L, 2L, 256L, 2L, 1L));
         final long midStart = TEST_START + (HOUR_IN_MILLIS / 2);
         stats.recordData(midStart, midStart + HOUR_IN_MILLIS,
-                new NetworkStats.Entry(1024L, 10L, 1024L, 10L, 10L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 1024L, 10L, 10L));
 
         // should have two buckets, with some data mixed together
         assertEquals(2, stats.size());
@@ -371,9 +386,11 @@
                 MINUTE_IN_MILLIS, 0, FIELD_RX_BYTES | FIELD_TX_BYTES);
 
         history.recordData(0, MINUTE_IN_MILLIS,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 4L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 4L));
         history.recordData(0, 2 * MINUTE_IN_MILLIS,
-                new NetworkStats.Entry(2L, 2L, 2L, 2L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 2L, 2L, 2L, 2L, 2L));
 
         assertFullValues(history, UNKNOWN, 1026L, UNKNOWN, 2050L, UNKNOWN, UNKNOWN);
     }
@@ -385,7 +402,8 @@
                 MINUTE_IN_MILLIS, 0, FIELD_RX_PACKETS | FIELD_OPERATIONS);
 
         full.recordData(0, MINUTE_IN_MILLIS,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 4L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 4L));
         partial.recordEntireHistory(full);
 
         assertFullValues(partial, UNKNOWN, UNKNOWN, 10L, UNKNOWN, UNKNOWN, 4L);
@@ -398,7 +416,8 @@
                 MINUTE_IN_MILLIS, 0, FIELD_RX_PACKETS | FIELD_OPERATIONS);
 
         partial.recordData(0, MINUTE_IN_MILLIS,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 4L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 4L));
         full.recordEntireHistory(partial);
 
         assertFullValues(full, MINUTE_IN_MILLIS, 0L, 10L, 0L, 0L, 4L);
@@ -408,9 +427,11 @@
     public void testSerialize() throws Exception {
         final NetworkStatsHistory before = new NetworkStatsHistory(MINUTE_IN_MILLIS, 40, FIELD_ALL);
         before.recordData(0, 4 * MINUTE_IN_MILLIS,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 4L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 4L));
         before.recordData(DAY_IN_MILLIS, DAY_IN_MILLIS + MINUTE_IN_MILLIS,
-                new NetworkStats.Entry(10L, 20L, 30L, 40L, 50L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 10L, 20L, 30L, 40L, 50L));
 
         final ByteArrayOutputStream out = new ByteArrayOutputStream();
         before.writeToStream(new DataOutputStream(out));
@@ -451,11 +472,14 @@
         final long THIRD_END = THIRD_START + (2 * HOUR_IN_MILLIS);
 
         stats.recordData(FIRST_START, FIRST_END,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 2L));
         stats.recordData(SECOND_START, SECOND_END,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 2L));
         stats.recordData(THIRD_START, THIRD_END,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 2L));
 
         // should have buckets: 2+1+2
         assertEquals(5, stats.size());
@@ -494,11 +518,14 @@
         final long THIRD_END = THIRD_START + (2 * HOUR_IN_MILLIS);
 
         stats.recordData(FIRST_START, FIRST_END,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 2L));
         stats.recordData(SECOND_START, SECOND_END,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 2L));
         stats.recordData(THIRD_START, THIRD_END,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 2L));
 
         assertFalse(stats.intersects(10, 20));
         assertFalse(stats.intersects(TEST_START + YEAR_IN_MILLIS, TEST_START + YEAR_IN_MILLIS + 1));
@@ -520,7 +547,8 @@
     public void testSetValues() throws Exception {
         stats = new NetworkStatsHistory(HOUR_IN_MILLIS);
         stats.recordData(TEST_START, TEST_START + 1,
-                new NetworkStats.Entry(1024L, 10L, 2048L, 20L, 2L));
+                new NetworkStats.Entry(IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO,
+                ROAMING_NO, DEFAULT_NETWORK_NO, 1024L, 10L, 2048L, 20L, 2L));
 
         assertEquals(1024L + 2048L, stats.getTotalBytes());
 
diff --git a/tests/unit/java/android/net/NetworkStatsTest.java b/tests/unit/java/android/net/NetworkStatsTest.java
index 6d79869..709b722 100644
--- a/tests/unit/java/android/net/NetworkStatsTest.java
+++ b/tests/unit/java/android/net/NetworkStatsTest.java
@@ -960,7 +960,7 @@
 
         // Ipv4 traffic sent/received by an app on stacked interface.
         final NetworkStats.Entry appEntry = new NetworkStats.Entry(
-                v4Iface, appUid, SET_DEFAULT, TAG_NONE,
+                v4Iface, appUid, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO,
                 30501490  /* rxBytes */,
                 22401 /* rxPackets */,
                 876235 /* txBytes */,
@@ -969,7 +969,8 @@
 
         // Traffic measured for the root uid on the base interface.
         final NetworkStats.Entry rootUidEntry = new NetworkStats.Entry(
-                baseIface, rootUid, SET_DEFAULT, TAG_NONE,
+                baseIface, rootUid, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO,
                 163577 /* rxBytes */,
                 187 /* rxPackets */,
                 17607 /* txBytes */,
@@ -977,7 +978,8 @@
                 0 /* operations */);
 
         final NetworkStats.Entry otherEntry = new NetworkStats.Entry(
-                otherIface, appUid, SET_DEFAULT, TAG_NONE,
+                otherIface, appUid, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO,
                 2600  /* rxBytes */,
                 2 /* rxPackets */,
                 3800 /* txBytes */,
@@ -993,14 +995,14 @@
 
         assertEquals(3, stats.size());
         final NetworkStats.Entry expectedAppUid = new NetworkStats.Entry(
-                v4Iface, appUid, SET_DEFAULT, TAG_NONE,
+                v4Iface, appUid, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO,
                 30949510,
                 22401,
                 1152335,
                 13805,
                 0);
         final NetworkStats.Entry expectedRootUid = new NetworkStats.Entry(
-                baseIface, 0, SET_DEFAULT, TAG_NONE,
+                baseIface, 0, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO,
                 163577,
                 187,
                 17607,
@@ -1014,14 +1016,16 @@
     @Test
     public void testApply464xlatAdjustments_noStackedIface() {
         NetworkStats.Entry firstEntry = new NetworkStats.Entry(
-                "if1", 10002, SET_DEFAULT, TAG_NONE,
+                "if1", 10002, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO,
                 2600  /* rxBytes */,
                 2 /* rxPackets */,
                 3800 /* txBytes */,
                 3 /* txPackets */,
                 0 /* operations */);
         NetworkStats.Entry secondEntry = new NetworkStats.Entry(
-                "if2", 10002, SET_DEFAULT, TAG_NONE,
+                "if2", 10002, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO,
                 5000  /* rxBytes */,
                 3 /* rxPackets */,
                 6000 /* txBytes */,
diff --git a/tests/unit/java/android/net/nsd/NsdManagerTest.java b/tests/unit/java/android/net/nsd/NsdManagerTest.java
index 32274bc..e3dbb14 100644
--- a/tests/unit/java/android/net/nsd/NsdManagerTest.java
+++ b/tests/unit/java/android/net/nsd/NsdManagerTest.java
@@ -81,70 +81,70 @@
     }
 
     @Test
-    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testResolveServiceS() throws Exception {
         verify(mServiceConn, never()).startDaemon();
         doTestResolveService();
     }
 
     @Test
-    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testResolveServicePreS() throws Exception {
         verify(mServiceConn).startDaemon();
         doTestResolveService();
     }
 
     @Test
-    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testDiscoverServiceS() throws Exception {
         verify(mServiceConn, never()).startDaemon();
         doTestDiscoverService();
     }
 
     @Test
-    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testDiscoverServicePreS() throws Exception {
         verify(mServiceConn).startDaemon();
         doTestDiscoverService();
     }
 
     @Test
-    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testParallelResolveServiceS() throws Exception {
         verify(mServiceConn, never()).startDaemon();
         doTestParallelResolveService();
     }
 
     @Test
-    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testParallelResolveServicePreS() throws Exception {
         verify(mServiceConn).startDaemon();
         doTestParallelResolveService();
     }
 
     @Test
-    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testInvalidCallsS() throws Exception {
         verify(mServiceConn, never()).startDaemon();
         doTestInvalidCalls();
     }
 
     @Test
-    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testInvalidCallsPreS() throws Exception {
         verify(mServiceConn).startDaemon();
         doTestInvalidCalls();
     }
 
     @Test
-    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testRegisterServiceS() throws Exception {
         verify(mServiceConn, never()).startDaemon();
         doTestRegisterService();
     }
 
     @Test
-    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testRegisterServicePreS() throws Exception {
         verify(mServiceConn).startDaemon();
         doTestRegisterService();
diff --git a/tests/unit/java/com/android/server/BpfNetMapsTest.java b/tests/unit/java/com/android/server/BpfNetMapsTest.java
index 0718952..2d09bf2 100644
--- a/tests/unit/java/com/android/server/BpfNetMapsTest.java
+++ b/tests/unit/java/com/android/server/BpfNetMapsTest.java
@@ -46,6 +46,7 @@
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.verify;
 
+import android.content.Context;
 import android.net.INetd;
 import android.os.Build;
 import android.os.ServiceSpecificException;
@@ -102,6 +103,7 @@
 
     @Mock INetd mNetd;
     @Mock BpfNetMaps.Dependencies mDeps;
+    @Mock Context mContext;
     private final BpfMap<U32, U32> mConfigurationMap = new TestBpfMap<>(U32.class, U32.class);
     private final BpfMap<U32, UidOwnerValue> mUidOwnerMap =
             new TestBpfMap<>(U32.class, UidOwnerValue.class);
@@ -110,9 +112,10 @@
     public void setUp() throws Exception {
         MockitoAnnotations.initMocks(this);
         doReturn(TEST_IF_INDEX).when(mDeps).getIfIndex(TEST_IF_NAME);
+        BpfNetMaps.setEnableJavaBpfMapForTest(true /* enable */);
         BpfNetMaps.setConfigurationMapForTest(mConfigurationMap);
         BpfNetMaps.setUidOwnerMapForTest(mUidOwnerMap);
-        mBpfNetMaps = new BpfNetMaps(mNetd, mDeps);
+        mBpfNetMaps = new BpfNetMaps(mContext, mNetd, mDeps);
     }
 
     @Test
@@ -649,4 +652,80 @@
         assertThrows(UnsupportedOperationException.class, () ->
                 mBpfNetMaps.setUidRule(FIREWALL_CHAIN_DOZABLE, TEST_UID, FIREWALL_RULE_ALLOW));
     }
+
+    @Test
+    @IgnoreUpTo(Build.VERSION_CODES.S_V2)
+    public void testReplaceUidChain() throws Exception {
+        final int uid0 = TEST_UIDS[0];
+        final int uid1 = TEST_UIDS[1];
+
+        mBpfNetMaps.replaceUidChain(FIREWALL_CHAIN_DOZABLE, TEST_UIDS);
+
+        checkUidOwnerValue(uid0, NO_IIF, DOZABLE_MATCH);
+        checkUidOwnerValue(uid1, NO_IIF, DOZABLE_MATCH);
+    }
+
+    @Test
+    @IgnoreUpTo(Build.VERSION_CODES.S_V2)
+    public void testReplaceUidChainWithOtherMatch() throws Exception {
+        final int uid0 = TEST_UIDS[0];
+        final int uid1 = TEST_UIDS[1];
+        final long match0 = POWERSAVE_MATCH;
+        final long match1 = POWERSAVE_MATCH | RESTRICTED_MATCH;
+        mUidOwnerMap.updateEntry(new U32(uid0), new UidOwnerValue(NO_IIF, match0));
+        mUidOwnerMap.updateEntry(new U32(uid1), new UidOwnerValue(NO_IIF, match1));
+
+        mBpfNetMaps.replaceUidChain(FIREWALL_CHAIN_DOZABLE, new int[]{uid1});
+
+        checkUidOwnerValue(uid0, NO_IIF, match0);
+        checkUidOwnerValue(uid1, NO_IIF, match1 | DOZABLE_MATCH);
+    }
+
+    @Test
+    @IgnoreUpTo(Build.VERSION_CODES.S_V2)
+    public void testReplaceUidChainWithExistingIifMatch() throws Exception {
+        final int uid0 = TEST_UIDS[0];
+        final int uid1 = TEST_UIDS[1];
+        final long match0 = IIF_MATCH;
+        final long match1 = IIF_MATCH | POWERSAVE_MATCH | RESTRICTED_MATCH;
+        mUidOwnerMap.updateEntry(new U32(uid0), new UidOwnerValue(TEST_IF_INDEX, match0));
+        mUidOwnerMap.updateEntry(new U32(uid1), new UidOwnerValue(NULL_IIF, match1));
+
+        mBpfNetMaps.replaceUidChain(FIREWALL_CHAIN_DOZABLE, TEST_UIDS);
+
+        checkUidOwnerValue(uid0, TEST_IF_INDEX, match0 | DOZABLE_MATCH);
+        checkUidOwnerValue(uid1, NULL_IIF, match1 | DOZABLE_MATCH);
+    }
+
+    @Test
+    @IgnoreUpTo(Build.VERSION_CODES.S_V2)
+    public void testReplaceUidChainRemoveExistingMatch() throws Exception {
+        final int uid0 = TEST_UIDS[0];
+        final int uid1 = TEST_UIDS[1];
+        final long match0 = IIF_MATCH | DOZABLE_MATCH;
+        final long match1 = IIF_MATCH | POWERSAVE_MATCH | RESTRICTED_MATCH;
+        mUidOwnerMap.updateEntry(new U32(uid0), new UidOwnerValue(TEST_IF_INDEX, match0));
+        mUidOwnerMap.updateEntry(new U32(uid1), new UidOwnerValue(NULL_IIF, match1));
+
+        mBpfNetMaps.replaceUidChain(FIREWALL_CHAIN_DOZABLE, new int[]{uid1});
+
+        checkUidOwnerValue(uid0, TEST_IF_INDEX, match0 & ~DOZABLE_MATCH);
+        checkUidOwnerValue(uid1, NULL_IIF, match1 | DOZABLE_MATCH);
+    }
+
+    @Test
+    @IgnoreUpTo(Build.VERSION_CODES.S_V2)
+    public void testReplaceUidChainInvalidChain() {
+        final Class<IllegalArgumentException> expected = IllegalArgumentException.class;
+        assertThrows(expected, () -> mBpfNetMaps.replaceUidChain(-1 /* chain */, TEST_UIDS));
+        assertThrows(expected, () -> mBpfNetMaps.replaceUidChain(1000 /* chain */, TEST_UIDS));
+    }
+
+    @Test
+    @IgnoreAfter(Build.VERSION_CODES.S_V2)
+    public void testReplaceUidChainBeforeT() {
+        assertThrows(UnsupportedOperationException.class,
+                () -> mBpfNetMaps.replaceUidChain(FIREWALL_CHAIN_DOZABLE, TEST_UIDS));
+    }
+
 }
diff --git a/tests/unit/java/com/android/server/ConnectivityServiceTest.java b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
index 0919dfc..1a624e3 100644
--- a/tests/unit/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
@@ -428,6 +428,7 @@
 import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.function.Supplier;
 import java.util.regex.Matcher;
@@ -922,9 +923,6 @@
         private int mProbesSucceeded;
         private String mNmValidationRedirectUrl = null;
         private boolean mNmProvNotificationRequested = false;
-        private Runnable mCreatedCallback;
-        private Runnable mUnwantedCallback;
-        private Runnable mDisconnectedCallback;
 
         private final ConditionVariable mNetworkStatusReceived = new ConditionVariable();
         // Contains the redirectUrl from networkStatus(). Before reading, wait for
@@ -932,22 +930,34 @@
         private String mRedirectUrl;
 
         TestNetworkAgentWrapper(int transport) throws Exception {
-            this(transport, new LinkProperties(), null /* ncTemplate */, null /* provider */);
+            this(transport, new LinkProperties(), null /* ncTemplate */, null /* provider */, null);
         }
 
         TestNetworkAgentWrapper(int transport, LinkProperties linkProperties)
                 throws Exception {
-            this(transport, linkProperties, null /* ncTemplate */, null /* provider */);
+            this(transport, linkProperties, null /* ncTemplate */, null /* provider */, null);
         }
 
         private TestNetworkAgentWrapper(int transport, LinkProperties linkProperties,
                 NetworkCapabilities ncTemplate) throws Exception {
-            this(transport, linkProperties, ncTemplate, null /* provider */);
+            this(transport, linkProperties, ncTemplate, null /* provider */, null);
         }
 
         private TestNetworkAgentWrapper(int transport, LinkProperties linkProperties,
                 NetworkCapabilities ncTemplate, NetworkProvider provider) throws Exception {
-            super(transport, linkProperties, ncTemplate, provider, mServiceContext);
+            this(transport, linkProperties, ncTemplate, provider /* provider */, null);
+        }
+
+        private TestNetworkAgentWrapper(int transport, NetworkAgentWrapper.Callbacks callbacks)
+                throws Exception {
+            this(transport, new LinkProperties(), null /* ncTemplate */, null /* provider */,
+                    callbacks);
+        }
+
+        private TestNetworkAgentWrapper(int transport, LinkProperties linkProperties,
+                NetworkCapabilities ncTemplate, NetworkProvider provider,
+                NetworkAgentWrapper.Callbacks callbacks) throws Exception {
+            super(transport, linkProperties, ncTemplate, provider, callbacks, mServiceContext);
 
             // Waits for the NetworkAgent to be registered, which includes the creation of the
             // NetworkMonitor.
@@ -968,23 +978,6 @@
                 mNetworkStatusReceived.open();
             }
 
-            @Override
-            public void onNetworkCreated() {
-                super.onNetworkCreated();
-                if (mCreatedCallback != null) mCreatedCallback.run();
-            }
-
-            @Override
-            public void onNetworkUnwanted() {
-                super.onNetworkUnwanted();
-                if (mUnwantedCallback != null) mUnwantedCallback.run();
-            }
-
-            @Override
-            public void onNetworkDestroyed() {
-                super.onNetworkDestroyed();
-                if (mDisconnectedCallback != null) mDisconnectedCallback.run();
-            }
         }
 
         @Override
@@ -1214,18 +1207,6 @@
             p.timestampMillis = DATA_STALL_TIMESTAMP;
             mNmCallbacks.notifyDataStallSuspected(p);
         }
-
-        public void setCreatedCallback(Runnable r) {
-            mCreatedCallback = r;
-        }
-
-        public void setUnwantedCallback(Runnable r) {
-            mUnwantedCallback = r;
-        }
-
-        public void setDisconnectedCallback(Runnable r) {
-            mDisconnectedCallback = r;
-        }
     }
 
     /**
@@ -1854,6 +1835,7 @@
         // getSystemService() correctly.
         mCm = new WrappedConnectivityManager(InstrumentationRegistry.getContext(), mService);
         mService.systemReadyInternal();
+        verify(mMockDnsResolver).registerUnsolicitedEventListener(any());
         mVpnManagerService = makeVpnManagerService();
         mVpnManagerService.systemReady();
         mockVpn(Process.myUid());
@@ -2061,7 +2043,7 @@
         }
 
         @Override
-        public BpfNetMaps getBpfNetMaps(INetd netd) {
+        public BpfNetMaps getBpfNetMaps(Context context, INetd netd) {
             return mBpfNetMaps;
         }
 
@@ -2604,7 +2586,7 @@
         doTestValidatedCellularOutscoresUnvalidatedWiFi(false);
     }
 
-    public void doTestValidatedCellularOutscoresUnvalidatedWiFi(
+    private void doTestValidatedCellularOutscoresUnvalidatedWiFi(
             final boolean cellRadioTimesharingCapable) throws Exception {
         mService.mCellularRadioTimesharingCapable = cellRadioTimesharingCapable;
         // Test bringing up unvalidated WiFi
@@ -2652,7 +2634,7 @@
         doTestUnvalidatedWifiOutscoresUnvalidatedCellular(false);
     }
 
-    public void doTestUnvalidatedWifiOutscoresUnvalidatedCellular(
+    private void doTestUnvalidatedWifiOutscoresUnvalidatedCellular(
             final boolean cellRadioTimesharingCapable) throws Exception {
         mService.mCellularRadioTimesharingCapable = cellRadioTimesharingCapable;
         // Test bringing up unvalidated cellular.
@@ -2691,7 +2673,7 @@
         doTestUnlingeringDoesNotValidate(false);
     }
 
-    public void doTestUnlingeringDoesNotValidate(
+    private void doTestUnlingeringDoesNotValidate(
             final boolean cellRadioTimesharingCapable) throws Exception {
         mService.mCellularRadioTimesharingCapable = cellRadioTimesharingCapable;
         // Test bringing up unvalidated WiFi.
@@ -2740,7 +2722,7 @@
         doTestRequestMigrationToSameTransport(TRANSPORT_ETHERNET, true);
     }
 
-    public void doTestRequestMigrationToSameTransport(final int transport,
+    private void doTestRequestMigrationToSameTransport(final int transport,
             final boolean expectLingering) throws Exception {
         // To speed up tests the linger delay is very short by default in tests but this
         // test needs to make sure the delay is not incurred so a longer value is safer (it
@@ -2845,7 +2827,7 @@
         doTestCellularOutscoresWeakWifi(false);
     }
 
-    public void doTestCellularOutscoresWeakWifi(
+    private void doTestCellularOutscoresWeakWifi(
             final boolean cellRadioTimesharingCapable) throws Exception {
         mService.mCellularRadioTimesharingCapable = cellRadioTimesharingCapable;
         // Test bringing up validated cellular.
@@ -2884,7 +2866,7 @@
         doTestReapingNetwork(false);
     }
 
-    public void doTestReapingNetwork(
+    private void doTestReapingNetwork(
             final boolean cellRadioTimesharingCapable) throws Exception {
         mService.mCellularRadioTimesharingCapable = cellRadioTimesharingCapable;
         // Test bringing up WiFi without NET_CAPABILITY_INTERNET.
@@ -2926,7 +2908,7 @@
         doTestCellularFallback(false);
     }
 
-    public void doTestCellularFallback(
+    private void doTestCellularFallback(
             final boolean cellRadioTimesharingCapable) throws Exception {
         mService.mCellularRadioTimesharingCapable = cellRadioTimesharingCapable;
         // Test bringing up validated cellular.
@@ -2977,7 +2959,7 @@
         doTestWiFiFallback(false);
     }
 
-    public void doTestWiFiFallback(
+    private void doTestWiFiFallback(
             final boolean cellRadioTimesharingCapable) throws Exception {
         mService.mCellularRadioTimesharingCapable = cellRadioTimesharingCapable;
         // Test bringing up unvalidated WiFi.
@@ -3565,37 +3547,35 @@
         final NetworkRequest request = new NetworkRequest.Builder()
                 .addTransportType(TRANSPORT_WIFI).build();
         final TestNetworkCallback callback = new TestNetworkCallback();
-        final AtomicReference<Network> wifiNetwork = new AtomicReference<>();
-        mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
 
         // Expectations for state when various callbacks fire. These expectations run on the handler
         // thread and not on the test thread because they need to prevent the handler thread from
         // advancing while they examine state.
 
         // 1. When onCreated fires, netd has been told to create the network.
-        mWiFiNetworkAgent.setCreatedCallback(() -> {
+        final Consumer<NetworkAgent> onNetworkCreated = (agent) -> {
             eventOrder.offer("onNetworkCreated");
-            wifiNetwork.set(mWiFiNetworkAgent.getNetwork());
-            assertNotNull(wifiNetwork.get());
             try {
                 verify(mMockNetd).networkCreate(nativeNetworkConfigPhysical(
-                        wifiNetwork.get().getNetId(), INetd.PERMISSION_NONE));
+                        agent.getNetwork().getNetId(), INetd.PERMISSION_NONE));
             } catch (RemoteException impossible) {
                 fail();
             }
-        });
+        };
 
         // 2. onNetworkUnwanted isn't precisely ordered with respect to any particular events. Just
         //    check that it is fired at some point after disconnect.
-        mWiFiNetworkAgent.setUnwantedCallback(() -> eventOrder.offer("onNetworkUnwanted"));
+        final Consumer<NetworkAgent> onNetworkUnwanted = (agent) -> {
+            eventOrder.offer("onNetworkUnwanted");
+        };
 
         // 3. While the teardown timer is running, connectivity APIs report the network is gone, but
         //    netd has not yet been told to destroy it.
-        final Runnable duringTeardown = () -> {
+        final Consumer<Network> duringTeardown = (network) -> {
             eventOrder.offer("timePasses");
-            assertNull(mCm.getLinkProperties(wifiNetwork.get()));
+            assertNull(mCm.getLinkProperties(network));
             try {
-                verify(mMockNetd, never()).networkDestroy(wifiNetwork.get().getNetId());
+                verify(mMockNetd, never()).networkDestroy(network.getNetId());
             } catch (RemoteException impossible) {
                 fail();
             }
@@ -3603,15 +3583,20 @@
 
         // 4. After onNetworkDisconnected is called, connectivity APIs report the network is gone,
         // and netd has been told to destroy it.
-        mWiFiNetworkAgent.setDisconnectedCallback(() -> {
+        final Consumer<NetworkAgent> onNetworkDisconnected = (agent) -> {
             eventOrder.offer("onNetworkDisconnected");
-            assertNull(mCm.getLinkProperties(wifiNetwork.get()));
+            assertNull(mCm.getLinkProperties(agent.getNetwork()));
             try {
-                verify(mMockNetd).networkDestroy(wifiNetwork.get().getNetId());
+                verify(mMockNetd).networkDestroy(agent.getNetwork().getNetId());
             } catch (RemoteException impossible) {
                 fail();
             }
-        });
+        };
+
+        final NetworkAgentWrapper.Callbacks callbacks = new NetworkAgentWrapper.Callbacks(
+                onNetworkCreated, onNetworkUnwanted, onNetworkDisconnected);
+
+        mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI, callbacks);
 
         // Connect a network, and file a request for it after it has come up, to ensure the nascent
         // timer is cleared and the test does not have to wait for it. Filing the request after the
@@ -3633,7 +3618,7 @@
         // down the network and started the teardown timer, and short enough that the lambda is
         // scheduled to run before the teardown timer.
         final Handler h = new Handler(mCsHandlerThread.getLooper());
-        h.postDelayed(duringTeardown, 150);
+        h.postDelayed(() -> duringTeardown.accept(mWiFiNetworkAgent.getNetwork()), 150);
 
         // Disconnect the network and check that events happened in the right order.
         mCm.unregisterNetworkCallback(callback);
@@ -7256,9 +7241,6 @@
     public void testBasicDnsConfigurationPushed() throws Exception {
         setPrivateDnsSettings(PRIVATE_DNS_MODE_OPPORTUNISTIC, "ignored.example.com");
 
-        // Clear any interactions that occur as a result of CS starting up.
-        reset(mMockDnsResolver);
-
         mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR);
         waitForIdle();
         verify(mMockDnsResolver, never()).setResolverConfiguration(any());
@@ -7331,9 +7313,6 @@
 
     @Test
     public void testDnsConfigurationTransTypesPushed() throws Exception {
-        // Clear any interactions that occur as a result of CS starting up.
-        reset(mMockDnsResolver);
-
         final NetworkRequest request = new NetworkRequest.Builder()
                 .clearCapabilities().addCapability(NET_CAPABILITY_INTERNET)
                 .build();
@@ -7392,9 +7371,6 @@
 
     @Test
     public void testPrivateDnsSettingsChange() throws Exception {
-        // Clear any interactions that occur as a result of CS starting up.
-        reset(mMockDnsResolver);
-
         // The default on Android is opportunistic mode ("Automatic").
         setPrivateDnsSettings(PRIVATE_DNS_MODE_OPPORTUNISTIC, "ignored.example.com");
 
@@ -9592,24 +9568,23 @@
         }
     }
 
-    private void doTestReplaceFirewallChain(final int chain, final String chainName,
-            final boolean allowList) {
+    private void doTestReplaceFirewallChain(final int chain) {
         final int[] uids = new int[] {1001, 1002};
         mCm.replaceFirewallChain(chain, uids);
-        verify(mBpfNetMaps).replaceUidChain(chainName, allowList, uids);
+        verify(mBpfNetMaps).replaceUidChain(chain, uids);
         reset(mBpfNetMaps);
     }
 
     @Test @IgnoreUpTo(SC_V2)
     public void testReplaceFirewallChain() {
-        doTestReplaceFirewallChain(FIREWALL_CHAIN_DOZABLE, "fw_dozable", true);
-        doTestReplaceFirewallChain(FIREWALL_CHAIN_STANDBY, "fw_standby", false);
-        doTestReplaceFirewallChain(FIREWALL_CHAIN_POWERSAVE, "fw_powersave",  true);
-        doTestReplaceFirewallChain(FIREWALL_CHAIN_RESTRICTED, "fw_restricted", true);
-        doTestReplaceFirewallChain(FIREWALL_CHAIN_LOW_POWER_STANDBY, "fw_low_power_standby", true);
-        doTestReplaceFirewallChain(FIREWALL_CHAIN_OEM_DENY_1, "fw_oem_deny_1", false);
-        doTestReplaceFirewallChain(FIREWALL_CHAIN_OEM_DENY_2, "fw_oem_deny_2", false);
-        doTestReplaceFirewallChain(FIREWALL_CHAIN_OEM_DENY_3, "fw_oem_deny_3", false);
+        doTestReplaceFirewallChain(FIREWALL_CHAIN_DOZABLE);
+        doTestReplaceFirewallChain(FIREWALL_CHAIN_STANDBY);
+        doTestReplaceFirewallChain(FIREWALL_CHAIN_POWERSAVE);
+        doTestReplaceFirewallChain(FIREWALL_CHAIN_RESTRICTED);
+        doTestReplaceFirewallChain(FIREWALL_CHAIN_LOW_POWER_STANDBY);
+        doTestReplaceFirewallChain(FIREWALL_CHAIN_OEM_DENY_1);
+        doTestReplaceFirewallChain(FIREWALL_CHAIN_OEM_DENY_2);
+        doTestReplaceFirewallChain(FIREWALL_CHAIN_OEM_DENY_3);
     }
 
     @Test @IgnoreUpTo(SC_V2)
@@ -9620,8 +9595,6 @@
                 () -> mCm.setUidFirewallRule(-1 /* chain */, uid, FIREWALL_RULE_ALLOW));
         assertThrows(expected,
                 () -> mCm.setUidFirewallRule(100 /* chain */, uid, FIREWALL_RULE_ALLOW));
-        assertThrows(expected, () -> mCm.replaceFirewallChain(-1 /* chain */, new int[]{uid}));
-        assertThrows(expected, () -> mCm.replaceFirewallChain(100 /* chain */, new int[]{uid}));
     }
 
     @Test @IgnoreUpTo(SC_V2)
@@ -9845,8 +9818,6 @@
         cellLp.addRoute(ipv6Default);
         cellLp.addRoute(ipv6Subnet);
         mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR, cellLp);
-        reset(mMockDnsResolver);
-        reset(mMockNetd);
         reset(mClatCoordinator);
 
         // Connect with ipv6 link properties. Expect prefix discovery to be started.
@@ -14363,7 +14334,7 @@
      * Make sure per profile network preferences behave as expected for a given
      * profile network preference.
      */
-    public void testPreferenceForUserNetworkUpDownForGivenPreference(
+    private void doTestPreferenceForUserNetworkUpDownForGivenPreference(
             ProfileNetworkPreference profileNetworkPreference,
             boolean connectWorkProfileAgentAhead,
             UserHandle testHandle,
@@ -14607,7 +14578,7 @@
                 new ProfileNetworkPreference.Builder();
         profileNetworkPreferenceBuilder.setPreference(PROFILE_NETWORK_PREFERENCE_ENTERPRISE);
         profileNetworkPreferenceBuilder.setPreferenceEnterpriseId(NET_ENTERPRISE_ID_1);
-        testPreferenceForUserNetworkUpDownForGivenPreference(
+        doTestPreferenceForUserNetworkUpDownForGivenPreference(
                 profileNetworkPreferenceBuilder.build(), false,
                 testHandle, mProfileDefaultNetworkCallback, null);
     }
@@ -14626,7 +14597,7 @@
                 PROFILE_NETWORK_PREFERENCE_ENTERPRISE_NO_FALLBACK);
         profileNetworkPreferenceBuilder.setPreferenceEnterpriseId(NET_ENTERPRISE_ID_1);
         registerDefaultNetworkCallbacks();
-        testPreferenceForUserNetworkUpDownForGivenPreference(
+        doTestPreferenceForUserNetworkUpDownForGivenPreference(
                 profileNetworkPreferenceBuilder.build(), false,
                 testHandle, mProfileDefaultNetworkCallback, null);
     }
@@ -14647,7 +14618,7 @@
                 PROFILE_NETWORK_PREFERENCE_ENTERPRISE_NO_FALLBACK);
         profileNetworkPreferenceBuilder.setPreferenceEnterpriseId(NET_ENTERPRISE_ID_1);
         registerDefaultNetworkCallbacks();
-        testPreferenceForUserNetworkUpDownForGivenPreference(
+        doTestPreferenceForUserNetworkUpDownForGivenPreference(
                 profileNetworkPreferenceBuilder.build(), true, testHandle,
                 mProfileDefaultNetworkCallback, null);
     }
@@ -14666,7 +14637,7 @@
         profileNetworkPreferenceBuilder.setIncludedUids(
                 new int[]{testHandle.getUid(TEST_WORK_PROFILE_APP_UID)});
         registerDefaultNetworkCallbacks();
-        testPreferenceForUserNetworkUpDownForGivenPreference(
+        doTestPreferenceForUserNetworkUpDownForGivenPreference(
                 profileNetworkPreferenceBuilder.build(), false, testHandle,
                 mProfileDefaultNetworkCallback, null);
     }
@@ -14685,7 +14656,7 @@
         profileNetworkPreferenceBuilder.setIncludedUids(
                 new int[]{testHandle.getUid(TEST_WORK_PROFILE_APP_UID_2)});
         registerDefaultNetworkCallbacks();
-        testPreferenceForUserNetworkUpDownForGivenPreference(
+        doTestPreferenceForUserNetworkUpDownForGivenPreference(
                 profileNetworkPreferenceBuilder.build(), false,
                 testHandle, mProfileDefaultNetworkCallbackAsAppUid2, null);
     }
@@ -14704,7 +14675,7 @@
         profileNetworkPreferenceBuilder.setExcludedUids(
                 new int[]{testHandle.getUid(TEST_WORK_PROFILE_APP_UID_2)});
         registerDefaultNetworkCallbacks();
-        testPreferenceForUserNetworkUpDownForGivenPreference(
+        doTestPreferenceForUserNetworkUpDownForGivenPreference(
                 profileNetworkPreferenceBuilder.build(), false,
                 testHandle, mProfileDefaultNetworkCallback,
                 mProfileDefaultNetworkCallbackAsAppUid2);
@@ -14800,7 +14771,7 @@
         profileNetworkPreferenceBuilder.setPreference(PROFILE_NETWORK_PREFERENCE_ENTERPRISE);
         profileNetworkPreferenceBuilder.setPreferenceEnterpriseId(NET_ENTERPRISE_ID_1);
         registerDefaultNetworkCallbacks();
-        testPreferenceForUserNetworkUpDownForGivenPreference(
+        doTestPreferenceForUserNetworkUpDownForGivenPreference(
                 profileNetworkPreferenceBuilder.build(), true,
                 testHandle, mProfileDefaultNetworkCallback,
                 null);
@@ -14820,7 +14791,7 @@
                 PROFILE_NETWORK_PREFERENCE_ENTERPRISE_NO_FALLBACK);
         profileNetworkPreferenceBuilder.setPreferenceEnterpriseId(NET_ENTERPRISE_ID_1);
         registerDefaultNetworkCallbacks();
-        testPreferenceForUserNetworkUpDownForGivenPreference(
+        doTestPreferenceForUserNetworkUpDownForGivenPreference(
                 profileNetworkPreferenceBuilder.build(), true,
                 testHandle, mProfileDefaultNetworkCallback,
                 null);
@@ -14841,7 +14812,7 @@
         profileNetworkPreferenceBuilder.setPreferenceEnterpriseId(
                 NET_ENTERPRISE_ID_2);
         registerDefaultNetworkCallbacks();
-        testPreferenceForUserNetworkUpDownForGivenPreference(
+        doTestPreferenceForUserNetworkUpDownForGivenPreference(
                 profileNetworkPreferenceBuilder.build(), true,
                 testHandle, mProfileDefaultNetworkCallback, null);
     }
diff --git a/tests/unit/java/com/android/server/NsdServiceTest.java b/tests/unit/java/com/android/server/NsdServiceTest.java
index 07884cf..1813393 100644
--- a/tests/unit/java/com/android/server/NsdServiceTest.java
+++ b/tests/unit/java/com/android/server/NsdServiceTest.java
@@ -159,7 +159,7 @@
     }
 
     @Test
-    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @DisableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testPreSClients() throws Exception {
         // Pre S client connected, the daemon should be started.
         connectClient(mService);
@@ -186,7 +186,7 @@
     }
 
     @Test
-    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testNoDaemonStartedWhenClientsConnect() throws Exception {
         // Creating an NsdManager will not cause daemon startup.
         connectClient(mService);
@@ -220,7 +220,7 @@
     }
 
     @Test
-    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testClientRequestsAreGCedAtDisconnection() throws Exception {
         final NsdManager client = connectClient(mService);
         final INsdManagerCallback cb1 = getCallback();
@@ -263,7 +263,7 @@
     }
 
     @Test
-    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)
+    @EnableCompatChanges(NsdManager.RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS_T_AND_LATER)
     public void testCleanupDelayNoRequestActive() throws Exception {
         final NsdManager client = connectClient(mService);
 
diff --git a/tests/unit/java/com/android/server/VpnManagerServiceTest.java b/tests/unit/java/com/android/server/VpnManagerServiceTest.java
index c814cc5..c8a93a6 100644
--- a/tests/unit/java/com/android/server/VpnManagerServiceTest.java
+++ b/tests/unit/java/com/android/server/VpnManagerServiceTest.java
@@ -22,7 +22,11 @@
 import static com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
 import static com.android.testutils.MiscAsserts.assertThrows;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doReturn;
@@ -44,10 +48,14 @@
 import android.os.Looper;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.security.Credentials;
 
 import androidx.test.filters.SmallTest;
 
+import com.android.internal.net.VpnProfile;
 import com.android.server.connectivity.Vpn;
+import com.android.server.connectivity.VpnProfileStore;
+import com.android.server.net.LockdownVpnTracker;
 import com.android.testutils.DevSdkIgnoreRule;
 import com.android.testutils.DevSdkIgnoreRunner;
 import com.android.testutils.HandlerUtils;
@@ -60,6 +68,9 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+
 @RunWith(DevSdkIgnoreRunner.class)
 @IgnoreUpTo(R) // VpnManagerService is not available before R
 @SmallTest
@@ -79,6 +90,8 @@
     @Mock private UserManager mUserManager;
     @Mock private INetd mNetd;
     @Mock private PackageManager mPackageManager;
+    @Mock private VpnProfileStore mVpnProfileStore;
+    @Mock private LockdownVpnTracker mLockdownVpnTracker;
 
     private VpnManagerServiceDependencies mDeps;
     private VpnManagerService mService;
@@ -107,6 +120,17 @@
                 INetd netd, @UserIdInt int userId) {
             return mVpn;
         }
+
+        @Override
+        public VpnProfileStore getVpnProfileStore() {
+            return mVpnProfileStore;
+        }
+
+        @Override
+        public LockdownVpnTracker createLockDownVpnTracker(Context context, Handler handler,
+                Vpn vpn, VpnProfile profile) {
+            return mLockdownVpnTracker;
+        }
     }
 
     @Before
@@ -203,10 +227,14 @@
     }
 
     private void sendIntent(Intent intent) {
+        sendIntent(mIntentReceiver, mContext, intent);
+    }
+
+    private void sendIntent(BroadcastReceiver receiver, Context context, Intent intent) {
         final Handler h = mHandlerThread.getThreadHandler();
 
         // Send in handler thread.
-        h.post(() -> mIntentReceiver.onReceive(mContext, intent));
+        h.post(() -> receiver.onReceive(context, intent));
         HandlerUtils.waitForIdle(mHandlerThread, TIMEOUT_MS);
     }
 
@@ -215,6 +243,21 @@
                 null /* packageName */, userId, -1 /* uid */, false /* isReplacing */));
     }
 
+    private void onUserUnlocked(int userId) {
+        sendIntent(buildIntent(Intent.ACTION_USER_UNLOCKED,
+                null /* packageName */, userId, -1 /* uid */, false /* isReplacing */));
+    }
+
+    private void onUserStopped(int userId) {
+        sendIntent(buildIntent(Intent.ACTION_USER_STOPPED,
+                null /* packageName */, userId, -1 /* uid */, false /* isReplacing */));
+    }
+
+    private void onLockDownReset() {
+        sendIntent(buildIntent(LockdownVpnTracker.ACTION_LOCKDOWN_RESET, null /* packageName */,
+                UserHandle.USER_SYSTEM, -1 /* uid */, false /* isReplacing */));
+    }
+
     private void onPackageAdded(String packageName, int userId, int uid, boolean isReplacing) {
         sendIntent(buildIntent(Intent.ACTION_PACKAGE_ADDED, packageName, userId, uid, isReplacing));
     }
@@ -241,4 +284,111 @@
         assertThrows(IllegalStateException.class, () ->
                 mUserPresentReceiver.onReceive(mContext, new Intent(Intent.ACTION_USER_PRESENT)));
     }
+
+    private void setupLockdownVpn(String packageName) {
+        final byte[] profileTag = packageName.getBytes(StandardCharsets.UTF_8);
+        doReturn(profileTag).when(mVpnProfileStore).get(Credentials.LOCKDOWN_VPN);
+    }
+
+    private void setupVpnProfile(String profileName) {
+        final VpnProfile profile = new VpnProfile(profileName);
+        profile.name = profileName;
+        profile.server = "192.0.2.1";
+        profile.dnsServers = "8.8.8.8";
+        profile.type = VpnProfile.TYPE_IPSEC_XAUTH_PSK;
+        final byte[] encodedProfile = profile.encode();
+        doReturn(encodedProfile).when(mVpnProfileStore).get(Credentials.VPN + profileName);
+    }
+
+    @Test
+    public void testUserPresent() {
+        // Verify that LockDownVpnTracker is not created.
+        verify(mLockdownVpnTracker, never()).init();
+
+        setupLockdownVpn(TEST_VPN_PKG);
+        setupVpnProfile(TEST_VPN_PKG);
+
+        // mUserPresentReceiver only registers ACTION_USER_PRESENT intent and does no verification
+        // on action, so an empty intent is enough.
+        sendIntent(mUserPresentReceiver, mSystemContext, new Intent());
+
+        verify(mLockdownVpnTracker).init();
+        verify(mSystemContext).unregisterReceiver(mUserPresentReceiver);
+        verify(mUserAllContext, never()).unregisterReceiver(any());
+    }
+
+    @Test
+    public void testUpdateLockdownVpn() {
+        setupLockdownVpn(TEST_VPN_PKG);
+        onUserUnlocked(SYSTEM_USER_ID);
+
+        // Will not create lockDownVpnTracker w/o valid profile configured in the keystore
+        verify(mLockdownVpnTracker, never()).init();
+
+        setupVpnProfile(TEST_VPN_PKG);
+
+        // Remove the user from mVpns
+        onUserStopped(SYSTEM_USER_ID);
+        onUserUnlocked(SYSTEM_USER_ID);
+        verify(mLockdownVpnTracker, never()).init();
+
+        // Add user back
+        onUserStarted(SYSTEM_USER_ID);
+        verify(mLockdownVpnTracker).init();
+
+        // Trigger another update. The existing LockDownVpnTracker should be shut down and
+        // initialize another one.
+        onUserUnlocked(SYSTEM_USER_ID);
+        verify(mLockdownVpnTracker).shutdown();
+        verify(mLockdownVpnTracker, times(2)).init();
+    }
+
+    @Test
+    public void testLockdownReset() {
+        // Init LockdownVpnTracker
+        setupLockdownVpn(TEST_VPN_PKG);
+        setupVpnProfile(TEST_VPN_PKG);
+        onUserUnlocked(SYSTEM_USER_ID);
+        verify(mLockdownVpnTracker).init();
+
+        onLockDownReset();
+        verify(mLockdownVpnTracker).reset();
+    }
+
+    @Test
+    public void testLockdownResetWhenLockdownVpnTrackerIsNotInit() {
+        setupLockdownVpn(TEST_VPN_PKG);
+        setupVpnProfile(TEST_VPN_PKG);
+
+        onLockDownReset();
+
+        // LockDownVpnTracker is not created. Lockdown reset will not take effect.
+        verify(mLockdownVpnTracker, never()).reset();
+    }
+
+    @Test
+    public void testIsVpnLockdownEnabled() {
+        // Vpn is created but the VPN lockdown is not enabled.
+        assertFalse(mService.isVpnLockdownEnabled(SYSTEM_USER_ID));
+
+        // Set lockdown for the SYSTEM_USER_ID VPN.
+        doReturn(true).when(mVpn).getLockdown();
+        assertTrue(mService.isVpnLockdownEnabled(SYSTEM_USER_ID));
+
+        // Even lockdown is enabled but no Vpn is created for SECONDARY_USER.
+        assertFalse(mService.isVpnLockdownEnabled(SECONDARY_USER.id));
+    }
+
+    @Test
+    public void testGetVpnLockdownAllowlist() {
+        doReturn(null).when(mVpn).getLockdownAllowlist();
+        assertNull(mService.getVpnLockdownAllowlist(SYSTEM_USER_ID));
+
+        final List<String> expected = List.of(PKGS);
+        doReturn(expected).when(mVpn).getLockdownAllowlist();
+        assertEquals(expected, mService.getVpnLockdownAllowlist(SYSTEM_USER_ID));
+
+        // Even lockdown is enabled but no Vpn is created for SECONDARY_USER.
+        assertNull(mService.getVpnLockdownAllowlist(SECONDARY_USER.id));
+    }
 }
diff --git a/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java b/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
index feee293..bbb61cd 100644
--- a/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
+++ b/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
@@ -21,6 +21,7 @@
 import static android.system.OsConstants.ETH_P_IPV6;
 
 import static com.android.net.module.util.NetworkStackConstants.ETHER_MTU;
+import static com.android.server.connectivity.ClatCoordinator.AID_CLAT;
 import static com.android.server.connectivity.ClatCoordinator.CLAT_MAX_MTU;
 import static com.android.server.connectivity.ClatCoordinator.EGRESS;
 import static com.android.server.connectivity.ClatCoordinator.INGRESS;
@@ -56,6 +57,8 @@
 import com.android.net.module.util.bpf.ClatEgress4Value;
 import com.android.net.module.util.bpf.ClatIngress6Key;
 import com.android.net.module.util.bpf.ClatIngress6Value;
+import com.android.net.module.util.bpf.CookieTagMapKey;
+import com.android.net.module.util.bpf.CookieTagMapValue;
 import com.android.testutils.DevSdkIgnoreRule;
 import com.android.testutils.DevSdkIgnoreRunner;
 import com.android.testutils.TestBpfMap;
@@ -127,11 +130,16 @@
             INET6_PFX96, INET6_LOCAL6);
     private static final ClatIngress6Value INGRESS_VALUE = new ClatIngress6Value(STACKED_IFINDEX,
             INET4_LOCAL4);
+    private static final CookieTagMapKey COOKIE_TAG_KEY = new CookieTagMapKey(RAW_SOCK_COOKIE);
+    private static final CookieTagMapValue COOKIE_TAG_VALUE = new CookieTagMapValue(AID_CLAT,
+            0 /* tag, unused */);
 
     private final TestBpfMap<ClatIngress6Key, ClatIngress6Value> mIngressMap =
             spy(new TestBpfMap<>(ClatIngress6Key.class, ClatIngress6Value.class));
     private final TestBpfMap<ClatEgress4Key, ClatEgress4Value> mEgressMap =
             spy(new TestBpfMap<>(ClatEgress4Key.class, ClatEgress4Value.class));
+    private final TestBpfMap<CookieTagMapKey, CookieTagMapValue> mCookieTagMap =
+            spy(new TestBpfMap<>(CookieTagMapKey.class, CookieTagMapValue.class));
 
     @Mock private INetd mNetd;
     @Spy private TestDependencies mDeps = new TestDependencies();
@@ -313,25 +321,10 @@
         }
 
         /**
-         * Tag socket as clat.
+         * Get socket cookie.
          */
-        @Override
-        public long tagSocketAsClat(@NonNull FileDescriptor sock) throws IOException {
-            if (Objects.equals(RAW_SOCK_PFD.getFileDescriptor(), sock)) {
-                return RAW_SOCK_COOKIE;
-            }
-            fail("unsupported arg: " + sock);
-            return 0;
-        }
-
-        /**
-         * Untag socket.
-         */
-        @Override
-        public void untagSocket(long cookie) throws IOException {
-            if (cookie != RAW_SOCK_COOKIE) {
-                fail("unsupported arg: " + cookie);
-            }
+        public long getSocketCookie(@NonNull FileDescriptor sock) throws IOException {
+            return RAW_SOCK_COOKIE;
         }
 
         /** Get ingress6 BPF map. */
@@ -346,6 +339,12 @@
             return mEgressMap;
         }
 
+        /** Get cookie tag map */
+        @Override
+        public IBpfMap<CookieTagMapKey, CookieTagMapValue> getBpfCookieTagMap() {
+            return mCookieTagMap;
+        }
+
         /** Checks if the network interface uses an ethernet L2 header. */
         public boolean isEthernet(String iface) throws IOException {
             if (BASE_IFACE.equals(iface)) return true;
@@ -400,8 +399,8 @@
     @Test
     public void testStartStopClatd() throws Exception {
         final ClatCoordinator coordinator = makeClatCoordinator();
-        final InOrder inOrder = inOrder(mNetd, mDeps, mIngressMap, mEgressMap);
-        clearInvocations(mNetd, mDeps, mIngressMap, mEgressMap);
+        final InOrder inOrder = inOrder(mNetd, mDeps, mIngressMap, mEgressMap, mCookieTagMap);
+        clearInvocations(mNetd, mDeps, mIngressMap, mEgressMap, mCookieTagMap);
 
         // [1] Start clatd.
         final String addr6For464xlat = coordinator.clatStart(BASE_IFACE, NETID, NAT64_IP_PREFIX);
@@ -444,8 +443,9 @@
         inOrder.verify(mDeps).addAnycastSetsockopt(
                 argThat(fd -> Objects.equals(RAW_SOCK_PFD.getFileDescriptor(), fd)),
                 eq(XLAT_LOCAL_IPV6ADDR_STRING), eq(BASE_IFINDEX));
-        inOrder.verify(mDeps).tagSocketAsClat(
+        inOrder.verify(mDeps).getSocketCookie(
                 argThat(fd -> Objects.equals(RAW_SOCK_PFD.getFileDescriptor(), fd)));
+        inOrder.verify(mCookieTagMap).insertEntry(eq(COOKIE_TAG_KEY), eq(COOKIE_TAG_VALUE));
         inOrder.verify(mDeps).configurePacketSocket(
                 argThat(fd -> Objects.equals(PACKET_SOCK_PFD.getFileDescriptor(), fd)),
                 eq(XLAT_LOCAL_IPV6ADDR_STRING), eq(BASE_IFINDEX));
@@ -481,7 +481,7 @@
         inOrder.verify(mIngressMap).deleteEntry(eq(INGRESS_KEY));
         inOrder.verify(mDeps).stopClatd(eq(BASE_IFACE), eq(NAT64_PREFIX_STRING),
                 eq(XLAT_LOCAL_IPV4ADDR_STRING), eq(XLAT_LOCAL_IPV6ADDR_STRING), eq(CLATD_PID));
-        inOrder.verify(mDeps).untagSocket(eq(RAW_SOCK_COOKIE));
+        inOrder.verify(mCookieTagMap).deleteEntry(eq(COOKIE_TAG_KEY));
         assertNull(coordinator.getClatdTrackerForTesting());
         inOrder.verifyNoMoreInteractions();
 
@@ -680,18 +680,6 @@
     }
 
     @Test
-    public void testNotStartClatWithNativeFailureTagSocketAsClat() throws Exception {
-        class FailureDependencies extends TestDependencies {
-            @Override
-            public long tagSocketAsClat(@NonNull FileDescriptor sock) throws IOException {
-                throw new IOException();
-            }
-        }
-        checkNotStartClat(new FailureDependencies(), true /* needToCloseTunFd */,
-                true /* needToClosePacketSockFd */, true /* needToCloseRawSockFd */);
-    }
-
-    @Test
     public void testNotStartClatWithNativeFailureConfigurePacketSocket() throws Exception {
         class FailureDependencies extends TestDependencies {
             @Override
@@ -718,4 +706,28 @@
         checkNotStartClat(new FailureDependencies(), true /* needToCloseTunFd */,
                 true /* needToClosePacketSockFd */, true /* needToCloseRawSockFd */);
     }
+
+    @Test
+    public void testNotStartClatWithNativeFailureGetSocketCookie() throws Exception {
+        class FailureDependencies extends TestDependencies {
+            @Override
+            public long getSocketCookie(@NonNull FileDescriptor sock) throws IOException {
+                throw new IOException();
+            }
+        }
+        checkNotStartClat(new FailureDependencies(), true /* needToCloseTunFd */,
+                true /* needToClosePacketSockFd */, true /* needToCloseRawSockFd */);
+    }
+
+    @Test
+    public void testNotStartClatWithNullCookieTagMap() throws Exception {
+        class FailureDependencies extends TestDependencies {
+            @Override
+            public IBpfMap<CookieTagMapKey, CookieTagMapValue> getBpfCookieTagMap() {
+                return null;
+            }
+        }
+        checkNotStartClat(new FailureDependencies(), true /* needToCloseTunFd */,
+                true /* needToClosePacketSockFd */, true /* needToCloseRawSockFd */);
+    }
 }
diff --git a/tests/unit/java/com/android/server/connectivity/NetworkNotificationManagerTest.java b/tests/unit/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
index 2cf5d8e..53097b6 100644
--- a/tests/unit/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
+++ b/tests/unit/java/com/android/server/connectivity/NetworkNotificationManagerTest.java
@@ -385,11 +385,13 @@
         doReturn(true).when(mResources).getBoolean(
                 R.bool.config_notifyNoInternetAsDialogWhenHighPriority);
 
+        final Instrumentation instr = InstrumentationRegistry.getInstrumentation();
+        UiDevice.getInstance(instr).pressHome();
+
         mManager.showNotification(TEST_NOTIF_ID, NETWORK_SWITCH, mWifiNai, mCellNai, null, false);
         // Non-"no internet" notifications are not affected
         verify(mNotificationManager).notify(eq(TEST_NOTIF_TAG), eq(NETWORK_SWITCH.eventId), any());
 
-        final Instrumentation instr = InstrumentationRegistry.getInstrumentation();
         final Context ctx = instr.getContext();
         final String testAction = "com.android.connectivity.coverage.TEST_DIALOG";
         final Intent intent = new Intent(testAction)
diff --git a/tests/unit/java/com/android/server/connectivity/VpnTest.java b/tests/unit/java/com/android/server/connectivity/VpnTest.java
index 6f25d1b..041e4ea 100644
--- a/tests/unit/java/com/android/server/connectivity/VpnTest.java
+++ b/tests/unit/java/com/android/server/connectivity/VpnTest.java
@@ -92,7 +92,6 @@
 import android.net.LinkProperties;
 import android.net.LocalSocket;
 import android.net.Network;
-import android.net.NetworkAgent;
 import android.net.NetworkCapabilities;
 import android.net.NetworkInfo.DetailedState;
 import android.net.RouteInfo;
@@ -246,7 +245,7 @@
     @Mock private Vpn.SystemServices mSystemServices;
     @Mock private Vpn.IkeSessionWrapper mIkeSessionWrapper;
     @Mock private Vpn.Ikev2SessionCreator mIkev2SessionCreator;
-    @Mock private NetworkAgent mMockNetworkAgent;
+    @Mock private Vpn.VpnNetworkAgentWrapper mMockNetworkAgent;
     @Mock private ConnectivityManager mConnectivityManager;
     @Mock private IpSecService mIpSecService;
     @Mock private VpnProfileStore mVpnProfileStore;
@@ -870,7 +869,7 @@
     public void testRefreshPlatformVpnAppExclusionList_updatesExcludedUids() throws Exception {
         final Vpn vpn = prepareVpnForVerifyAppExclusionList();
         vpn.setAppExclusionList(TEST_VPN_PKG, Arrays.asList(PKGS));
-        verify(mMockNetworkAgent).sendNetworkCapabilities(any());
+        verify(mMockNetworkAgent).doSendNetworkCapabilities(any());
         assertEquals(Arrays.asList(PKGS), vpn.getAppExclusionList(TEST_VPN_PKG));
 
         reset(mMockNetworkAgent);
@@ -887,7 +886,7 @@
                 vpn.mNetworkCapabilities.getUids());
         ArgumentCaptor<NetworkCapabilities> ncCaptor =
                 ArgumentCaptor.forClass(NetworkCapabilities.class);
-        verify(mMockNetworkAgent).sendNetworkCapabilities(ncCaptor.capture());
+        verify(mMockNetworkAgent).doSendNetworkCapabilities(ncCaptor.capture());
         assertEquals(makeVpnUidRange(PRIMARY_USER.id, newExcludedUids),
                 ncCaptor.getValue().getUids());
 
@@ -902,7 +901,7 @@
         assertEquals(Arrays.asList(PKGS), vpn.getAppExclusionList(TEST_VPN_PKG));
         assertEquals(makeVpnUidRange(PRIMARY_USER.id, newExcludedUids),
                 vpn.mNetworkCapabilities.getUids());
-        verify(mMockNetworkAgent).sendNetworkCapabilities(ncCaptor.capture());
+        verify(mMockNetworkAgent).doSendNetworkCapabilities(ncCaptor.capture());
         assertEquals(makeVpnUidRange(PRIMARY_USER.id, newExcludedUids),
                 ncCaptor.getValue().getUids());
     }
@@ -1854,7 +1853,7 @@
                 Collections.singletonList(TEST_NETWORK_2),
                 vpnSnapShot.vpn.mNetworkCapabilities.getUnderlyingNetworks());
         verify(mMockNetworkAgent)
-                .setUnderlyingNetworks(Collections.singletonList(TEST_NETWORK_2));
+                .doSetUnderlyingNetworks(Collections.singletonList(TEST_NETWORK_2));
 
         vpnSnapShot.vpn.mVpnRunner.exitVpnRunner();
     }
@@ -1896,7 +1895,7 @@
                 Collections.singletonList(TEST_NETWORK_2),
                 vpnSnapShot.vpn.mNetworkCapabilities.getUnderlyingNetworks());
         verify(mMockNetworkAgent)
-                .setUnderlyingNetworks(Collections.singletonList(TEST_NETWORK_2));
+                .doSetUnderlyingNetworks(Collections.singletonList(TEST_NETWORK_2));
 
         vpnSnapShot.vpn.mVpnRunner.exitVpnRunner();
     }
@@ -1904,7 +1903,7 @@
     private void verifyHandlingNetworkLoss() throws Exception {
         final ArgumentCaptor<LinkProperties> lpCaptor =
                 ArgumentCaptor.forClass(LinkProperties.class);
-        verify(mMockNetworkAgent).sendLinkProperties(lpCaptor.capture());
+        verify(mMockNetworkAgent).doSendLinkProperties(lpCaptor.capture());
         final LinkProperties lp = lpCaptor.getValue();
 
         assertNull(lp.getInterfaceName());
diff --git a/tests/unit/java/com/android/server/net/NetworkStatsFactoryTest.java b/tests/unit/java/com/android/server/net/NetworkStatsFactoryTest.java
index f6fb45c..14455fa 100644
--- a/tests/unit/java/com/android/server/net/NetworkStatsFactoryTest.java
+++ b/tests/unit/java/com/android/server/net/NetworkStatsFactoryTest.java
@@ -33,23 +33,26 @@
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.doReturn;
 
 import android.content.Context;
-import android.content.res.Resources;
 import android.net.NetworkStats;
 import android.net.TrafficStats;
 import android.net.UnderlyingNetworkInfo;
+import android.os.SystemClock;
 
 import androidx.test.InstrumentationRegistry;
 import androidx.test.filters.SmallTest;
 
 import com.android.frameworks.tests.net.R;
+import com.android.internal.util.ProcFileReader;
 import com.android.server.BpfNetMaps;
 import com.android.testutils.DevSdkIgnoreRule;
 import com.android.testutils.DevSdkIgnoreRunner;
 
 import libcore.io.IoUtils;
-import libcore.io.Streams;
 import libcore.testing.io.TestIoUtils;
 
 import org.junit.After;
@@ -60,10 +63,8 @@
 import org.mockito.MockitoAnnotations;
 
 import java.io.File;
-import java.io.FileOutputStream;
-import java.io.FileWriter;
-import java.io.InputStream;
-import java.io.OutputStream;
+import java.io.IOException;
+import java.net.ProtocolException;
 
 /** Tests for {@link NetworkStatsFactory}. */
 @RunWith(DevSdkIgnoreRunner.class)
@@ -75,6 +76,7 @@
     private File mTestProc;
     private NetworkStatsFactory mFactory;
     @Mock private Context mContext;
+    @Mock private NetworkStatsFactory.Dependencies mDeps;
     @Mock private BpfNetMaps mBpfNetMaps;
 
     @Before
@@ -86,7 +88,8 @@
         // applications. So in order to have a test support native library, the native code
         // related to networkStatsFactory is compiled to a minimal native library and loaded here.
         System.loadLibrary("networkstatsfactorytestjni");
-        mFactory = new NetworkStatsFactory(mContext, mTestProc, false, mBpfNetMaps);
+        doReturn(mBpfNetMaps).when(mDeps).createBpfNetMaps(any());
+        mFactory = new NetworkStatsFactory(mContext, mDeps);
         mFactory.updateUnderlyingNetworkInfos(new UnderlyingNetworkInfo[0]);
     }
 
@@ -97,7 +100,7 @@
 
     @Test
     public void testNetworkStatsDetail() throws Exception {
-        final NetworkStats stats = parseDetailedStats(R.raw.xt_qtaguid_typical);
+        final NetworkStats stats = factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_typical);
 
         assertEquals(70, stats.size());
         assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, 18621L, 2898L);
@@ -122,8 +125,8 @@
         // over VPN.
         //
         // VPN UID rewrites packets read from TUN back to TUN, plus some of its own traffic
-
-        final NetworkStats tunStats = parseDetailedStats(R.raw.xt_qtaguid_vpn_rewrite_through_self);
+        final NetworkStats tunStats =
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_vpn_rewrite_through_self);
 
         assertValues(tunStats, TUN_IFACE, UID_RED, SET_ALL, TAG_NONE, METERED_ALL, ROAMING_ALL,
                 DEFAULT_NETWORK_ALL, 2000L, 200L, 1000L, 100L, 0);
@@ -164,7 +167,8 @@
         // UID_RED: 2000 bytes, 200 packets
         // UID_BLUE: 1000 bytes, 100 packets
         // UID_VPN: 6300 bytes, 0 packets
-        final NetworkStats tunStats = parseDetailedStats(R.raw.xt_qtaguid_vpn_with_clat);
+        final NetworkStats tunStats =
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_vpn_with_clat);
 
         assertValues(tunStats, CLAT_PREFIX + TEST_IFACE, UID_RED, 2000L, 200L, 1000, 100L);
         assertValues(tunStats, CLAT_PREFIX + TEST_IFACE, UID_BLUE, 1000L, 100L, 500L, 50L);
@@ -188,7 +192,8 @@
         // attributed to UID_BLUE, and 150 bytes attributed to UID_VPN.
         // Of 3300 bytes received over WiFi, expect 2000 bytes attributed to UID_RED, 1000 bytes
         // attributed to UID_BLUE, and 300 bytes attributed to UID_VPN.
-        final NetworkStats tunStats = parseDetailedStats(R.raw.xt_qtaguid_vpn_one_underlying);
+        final NetworkStats tunStats =
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_vpn_one_underlying);
 
         assertValues(tunStats, TEST_IFACE, UID_RED, 2000L, 200L, 1000L, 100L);
         assertValues(tunStats, TEST_IFACE, UID_BLUE, 1000L, 100L, 500L, 50L);
@@ -217,7 +222,7 @@
         // Of 8800 bytes received over WiFi, expect 2000 bytes attributed to UID_RED, 1000 bytes
         // attributed to UID_BLUE, and 5800 bytes attributed to UID_VPN.
         final NetworkStats tunStats =
-                parseDetailedStats(R.raw.xt_qtaguid_vpn_one_underlying_own_traffic);
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_vpn_one_underlying_own_traffic);
 
         assertValues(tunStats, TEST_IFACE, UID_RED, 2000L, 200L, 1000L, 100L);
         assertValues(tunStats, TEST_IFACE, UID_BLUE, 1000L, 100L, 500L, 50L);
@@ -239,7 +244,7 @@
         // Of 1000 bytes over WiFi, expect 250 bytes attributed UID_RED and 750 bytes to UID_BLUE,
         // with nothing attributed to UID_VPN for both rx/tx traffic.
         final NetworkStats tunStats =
-                parseDetailedStats(R.raw.xt_qtaguid_vpn_one_underlying_compression);
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_vpn_one_underlying_compression);
 
         assertValues(tunStats, TEST_IFACE, UID_RED, 250L, 25L, 250L, 25L);
         assertValues(tunStats, TEST_IFACE, UID_BLUE, 750L, 75L, 750L, 75L);
@@ -263,7 +268,7 @@
         // - 500 bytes rx/tx each over WiFi/Cell attributed to both UID_RED and UID_BLUE.
         // - 1200 bytes rx/tx each over WiFi/Cell for VPN_UID.
         final NetworkStats tunStats =
-                parseDetailedStats(R.raw.xt_qtaguid_vpn_two_underlying_duplication);
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_vpn_two_underlying_duplication);
 
         assertValues(tunStats, TEST_IFACE, UID_RED, 500L, 50L, 500L, 50L);
         assertValues(tunStats, TEST_IFACE, UID_BLUE, 500L, 50L, 500L, 50L);
@@ -303,7 +308,7 @@
         // Of 3850 bytes received over Cell, expect 3000 bytes attributed to UID_RED, 500 bytes
         // attributed to UID_BLUE, and 350 bytes attributed to UID_VPN.
         final NetworkStats tunStats =
-                parseDetailedStats(R.raw.xt_qtaguid_vpn_one_underlying_two_vpn);
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_vpn_one_underlying_two_vpn);
 
         assertValues(tunStats, TEST_IFACE, UID_RED, 2000L, 200L, 1000L, 100L);
         assertValues(tunStats, TEST_IFACE, UID_BLUE, 1000L, 100L, 500L, 50L);
@@ -333,7 +338,8 @@
         //
         // For UID_VPN, expect 60 bytes attributed over WiFi and 40 bytes over Cell for tx traffic.
         // And, 30 bytes over WiFi and 20 bytes over Cell for rx traffic.
-        final NetworkStats tunStats = parseDetailedStats(R.raw.xt_qtaguid_vpn_two_underlying_split);
+        final NetworkStats tunStats =
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_vpn_two_underlying_split);
 
         assertValues(tunStats, TEST_IFACE, UID_RED, 300L, 30L, 600L, 60L);
         assertValues(tunStats, TEST_IFACE, UID_VPN, 30L, 0L, 60L, 0L);
@@ -357,7 +363,8 @@
         // rx/tx.
         // UID_VPN gets nothing attributed to it (avoiding negative stats).
         final NetworkStats tunStats =
-                parseDetailedStats(R.raw.xt_qtaguid_vpn_two_underlying_split_compression);
+                factoryReadNetworkStatsDetail(
+                        R.raw.xt_qtaguid_vpn_two_underlying_split_compression);
 
         assertValues(tunStats, TEST_IFACE, UID_RED, 600L, 60L, 600L, 60L);
         assertValues(tunStats, TEST_IFACE, UID_VPN, 0L, 0L, 0L, 0L);
@@ -378,7 +385,8 @@
         // 1000 bytes (100 packets) were sent/received by UID_RED over VPN.
         // VPN sent/received 1100 bytes (100 packets) over Cell.
         // Of 1100 bytes over Cell, expect all of it attributed to UID_VPN for both rx/tx traffic.
-        final NetworkStats tunStats = parseDetailedStats(R.raw.xt_qtaguid_vpn_incorrect_iface);
+        final NetworkStats tunStats =
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_vpn_incorrect_iface);
 
         assertValues(tunStats, TEST_IFACE, UID_RED, 0L, 0L, 0L, 0L);
         assertValues(tunStats, TEST_IFACE, UID_VPN, 0L, 0L, 0L, 0L);
@@ -403,7 +411,9 @@
 
     @Test
     public void testNetworkStatsWithSet() throws Exception {
-        final NetworkStats stats = parseDetailedStats(R.raw.xt_qtaguid_typical);
+        final NetworkStats stats =
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_typical);
+
         assertEquals(70, stats.size());
         assertStatsEntry(stats, "rmnet1", 10021, SET_DEFAULT, 0x30100000, 219110L, 578L, 227423L,
                 676L);
@@ -411,29 +421,6 @@
     }
 
     @Test
-    public void testNetworkStatsSingle() throws Exception {
-        stageFile(R.raw.xt_qtaguid_iface_typical, file("net/xt_qtaguid/iface_stat_all"));
-
-        final NetworkStats stats = mFactory.readNetworkStatsSummaryDev();
-        assertEquals(6, stats.size());
-        assertStatsEntry(stats, "rmnet0", UID_ALL, SET_ALL, TAG_NONE, 2112L, 24L, 700L, 10L);
-        assertStatsEntry(stats, "test1", UID_ALL, SET_ALL, TAG_NONE, 6L, 8L, 10L, 12L);
-        assertStatsEntry(stats, "test2", UID_ALL, SET_ALL, TAG_NONE, 1L, 2L, 3L, 4L);
-    }
-
-    @Test
-    public void testNetworkStatsXt() throws Exception {
-        stageFile(R.raw.xt_qtaguid_iface_fmt_typical, file("net/xt_qtaguid/iface_stat_fmt"));
-
-        final NetworkStats stats = mFactory.readNetworkStatsSummaryXt();
-        assertEquals(3, stats.size());
-        assertStatsEntry(stats, "rmnet0", UID_ALL, SET_ALL, TAG_NONE, 6824L, 16L, 5692L, 10L);
-        assertStatsEntry(stats, "rmnet1", UID_ALL, SET_ALL, TAG_NONE, 11153922L, 8051L, 190226L,
-                2468L);
-        assertStatsEntry(stats, "rmnet2", UID_ALL, SET_ALL, TAG_NONE, 4968L, 35L, 3081L, 39L);
-    }
-
-    @Test
     public void testDoubleClatAccountingSimple() throws Exception {
         mFactory.noteStackedIface("v4-wlan0", "wlan0");
 
@@ -441,7 +428,8 @@
         //  - 213 received 464xlat packets of size 200 bytes
         //  - 41 sent 464xlat packets of size 100 bytes
         //  - no other traffic on base interface for root uid.
-        NetworkStats stats = parseDetailedStats(R.raw.xt_qtaguid_with_clat_simple);
+        final NetworkStats stats =
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_with_clat_simple);
         assertEquals(3, stats.size());
 
         assertStatsEntry(stats, "v4-wlan0", 10060, SET_DEFAULT, 0x0, 46860L, 4920L);
@@ -452,7 +440,8 @@
     public void testDoubleClatAccounting() throws Exception {
         mFactory.noteStackedIface("v4-wlan0", "wlan0");
 
-        NetworkStats stats = parseDetailedStats(R.raw.xt_qtaguid_with_clat);
+        final NetworkStats stats =
+                factoryReadNetworkStatsDetail(R.raw.xt_qtaguid_with_clat);
         assertEquals(42, stats.size());
 
         assertStatsEntry(stats, "v4-wlan0", 0, SET_DEFAULT, 0x0, 356L, 276L);
@@ -473,65 +462,78 @@
         assertNoStatsEntry(stats, "wlan0", 1029, SET_DEFAULT, 0x0);
     }
 
-    @Test
-    public void testDoubleClatAccounting100MBDownload() throws Exception {
-        // Downloading 100mb from an ipv4 only destination in a foreground activity
-
-        long appRxBytesBefore = 328684029L;
-        long appRxBytesAfter = 439237478L;
-        assertEquals("App traffic should be ~100MB", 110553449, appRxBytesAfter - appRxBytesBefore);
-
-        long rootRxBytes = 330187296L;
-
-        mFactory.noteStackedIface("v4-wlan0", "wlan0");
-        NetworkStats stats;
-
-        // Stats snapshot before the download
-        stats = parseDetailedStats(R.raw.xt_qtaguid_with_clat_100mb_download_before);
-        assertStatsEntry(stats, "v4-wlan0", 10106, SET_FOREGROUND, 0x0, appRxBytesBefore, 5199872L);
-        assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, rootRxBytes, 0L);
-
-        // Stats snapshot after the download
-        stats = parseDetailedStats(R.raw.xt_qtaguid_with_clat_100mb_download_after);
-        assertStatsEntry(stats, "v4-wlan0", 10106, SET_FOREGROUND, 0x0, appRxBytesAfter, 7867488L);
-        assertStatsEntry(stats, "wlan0", 0, SET_DEFAULT, 0x0, rootRxBytes, 0L);
-    }
-
-    /**
-     * Copy a {@link Resources#openRawResource(int)} into {@link File} for
-     * testing purposes.
-     */
-    private void stageFile(int rawId, File file) throws Exception {
-        new File(file.getParent()).mkdirs();
-        InputStream in = null;
-        OutputStream out = null;
+    private NetworkStats parseNetworkStatsFromGoldenSample(int resourceId, int initialSize,
+            boolean consumeHeader, boolean checkActive, boolean isUidData) throws IOException {
+        final NetworkStats stats =
+                new NetworkStats(SystemClock.elapsedRealtime(), initialSize);
+        final NetworkStats.Entry entry = new NetworkStats.Entry();
+        ProcFileReader reader = null;
+        int idx = 1;
+        int lastIdx = 1;
         try {
-            in = InstrumentationRegistry.getContext().getResources().openRawResource(rawId);
-            out = new FileOutputStream(file);
-            Streams.copy(in, out);
+            reader = new ProcFileReader(InstrumentationRegistry.getContext().getResources()
+                            .openRawResource(resourceId));
+
+            if (consumeHeader) {
+                reader.finishLine();
+            }
+
+            while (reader.hasMoreData()) {
+                if (isUidData) {
+                    idx = reader.nextInt();
+                    if (idx != lastIdx + 1) {
+                        throw new ProtocolException(
+                                "inconsistent idx=" + idx + " after lastIdx=" + lastIdx);
+                    }
+                    lastIdx = idx;
+                }
+
+                entry.iface = reader.nextString();
+                // Read the uid based information from file. Otherwise, assign with target value.
+                entry.tag = isUidData ? kernelToTag(reader.nextString()) : TAG_NONE;
+                entry.uid = isUidData ? reader.nextInt() : UID_ALL;
+                entry.set = isUidData ? reader.nextInt() : SET_ALL;
+
+                // For fetching active numbers. Dev specific
+                final boolean active = checkActive ? reader.nextInt() != 0 : false;
+
+                // Always include snapshot values
+                entry.rxBytes = reader.nextLong();
+                entry.rxPackets = reader.nextLong();
+                entry.txBytes = reader.nextLong();
+                entry.txPackets = reader.nextLong();
+
+                // Fold in active numbers, but only when active
+                if (active) {
+                    entry.rxBytes += reader.nextLong();
+                    entry.rxPackets += reader.nextLong();
+                    entry.txBytes += reader.nextLong();
+                    entry.txPackets += reader.nextLong();
+                }
+
+                stats.insertEntry(entry);
+                reader.finishLine();
+            }
+        } catch (NullPointerException | NumberFormatException e) {
+            final String errMsg = isUidData
+                    ? "problem parsing idx " + idx : "problem parsing stats";
+            final ProtocolException pe = new ProtocolException(errMsg);
+            pe.initCause(e);
+            throw pe;
         } finally {
-            IoUtils.closeQuietly(in);
-            IoUtils.closeQuietly(out);
+            IoUtils.closeQuietly(reader);
         }
+        return stats;
     }
 
-    private void stageLong(long value, File file) throws Exception {
-        new File(file.getParent()).mkdirs();
-        FileWriter out = null;
-        try {
-            out = new FileWriter(file);
-            out.write(Long.toString(value));
-        } finally {
-            IoUtils.closeQuietly(out);
-        }
-    }
-
-    private File file(String path) throws Exception {
-        return new File(mTestProc, path);
-    }
-
-    private NetworkStats parseDetailedStats(int resourceId) throws Exception {
-        stageFile(resourceId, file("net/xt_qtaguid/stats"));
+    private NetworkStats factoryReadNetworkStatsDetail(int resourceId) throws Exception {
+        // Choose a general detail stats sample size from the experiences to prevent from
+        // frequently allocating buckets.
+        final NetworkStats statsFromResource = parseNetworkStatsFromGoldenSample(resourceId,
+                24 /* initialSize */, true /* consumeHeader */, false /* checkActive */,
+                true /* isUidData */);
+        doReturn(statsFromResource).when(mDeps).getNetworkStatsDetail(anyInt(), any(),
+                anyInt());
         return mFactory.readNetworkStatsDetail();
     }
 
diff --git a/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java b/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java
index 1a5620b..f64e35b 100644
--- a/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java
+++ b/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java
@@ -16,6 +16,7 @@
 
 package com.android.server.net;
 
+import static android.Manifest.permission.DUMP;
 import static android.Manifest.permission.READ_NETWORK_USAGE_HISTORY;
 import static android.Manifest.permission.UPDATE_DEVICE_STATS;
 import static android.app.usage.NetworkStatsManager.PREFIX_DEV;
@@ -133,6 +134,8 @@
 import com.android.net.module.util.LocationPermissionChecker;
 import com.android.net.module.util.Struct.U32;
 import com.android.net.module.util.Struct.U8;
+import com.android.net.module.util.bpf.CookieTagMapKey;
+import com.android.net.module.util.bpf.CookieTagMapValue;
 import com.android.server.net.NetworkStatsService.AlertObserver;
 import com.android.server.net.NetworkStatsService.NetworkStatsSettings;
 import com.android.server.net.NetworkStatsService.NetworkStatsSettings.Config;
@@ -154,7 +157,10 @@
 import org.mockito.MockitoAnnotations;
 
 import java.io.File;
+import java.io.FileDescriptor;
 import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.time.Clock;
@@ -281,6 +287,7 @@
                 case PERMISSION_MAINLINE_NETWORK_STACK:
                 case READ_NETWORK_USAGE_HISTORY:
                 case UPDATE_DEVICE_STATS:
+                case DUMP:
                     return PERMISSION_GRANTED;
                 default:
                     return PERMISSION_DENIED;
@@ -855,7 +862,7 @@
         incrementCurrentTime(MINUTE_IN_MILLIS);
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        12L, 18L, 14L, 1L, 0L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 12L, 18L, 14L, 1L, 0L)));
         forcePollAndWaitForIdle();
 
         // Verify 3g templates gets stats.
@@ -870,10 +877,10 @@
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 // Append more traffic on existing 3g stats entry.
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        16L, 22L, 17L, 2L, 0L))
+                         METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 16L, 22L, 17L, 2L, 0L))
                 // Add entry that is new on 4g.
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_FOREGROUND, TAG_NONE,
-                        33L, 27L, 8L, 10L, 1L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 33L, 27L, 8L, 10L, 1L)));
         forcePollAndWaitForIdle();
 
         // Verify ALL_MOBILE template gets all. 3g template counters do not increase.
@@ -890,12 +897,12 @@
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 // Existing stats remains.
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        16L, 22L, 17L, 2L, 0L))
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 16L, 22L, 17L, 2L, 0L))
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_FOREGROUND, TAG_NONE,
-                        33L, 27L, 8L, 10L, 1L))
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 33L, 27L, 8L, 10L, 1L))
                 // Add some traffic on 5g.
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                5L, 13L, 31L, 9L, 2L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 5L, 13L, 31L, 9L, 2L)));
         forcePollAndWaitForIdle();
 
         // Verify ALL_MOBILE template gets all.
@@ -977,7 +984,7 @@
         incrementCurrentTime(MINUTE_IN_MILLIS);
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        36L, 41L, 24L, 96L, 0L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 36L, 41L, 24L, 96L, 0L)));
         forcePollAndWaitForIdle();
 
         // OEM_PRIVATE network comes online.
@@ -992,7 +999,7 @@
         incrementCurrentTime(MINUTE_IN_MILLIS);
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        49L, 71L, 72L, 48L, 0L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 49L, 71L, 72L, 48L, 0L)));
         forcePollAndWaitForIdle();
 
         // OEM_PAID + OEM_PRIVATE network comes online.
@@ -1008,7 +1015,7 @@
         incrementCurrentTime(MINUTE_IN_MILLIS);
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        57L, 86L, 83L, 93L, 0L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 57L, 86L, 83L, 93L, 0L)));
         forcePollAndWaitForIdle();
 
         // OEM_NONE network comes online.
@@ -1022,7 +1029,7 @@
         incrementCurrentTime(MINUTE_IN_MILLIS);
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        29L, 73L, 34L, 31L, 0L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 29L, 73L, 34L, 31L, 0L)));
         forcePollAndWaitForIdle();
 
         // Verify OEM_PAID template gets only relevant stats.
@@ -1133,7 +1140,8 @@
         // Increase arbitrary time which does not align to the bucket edge, create some traffic.
         incrementCurrentTime(1751000L);
         NetworkStats.Entry entry = new NetworkStats.Entry(
-                TEST_IFACE, UID_ALL, SET_DEFAULT, TAG_NONE, 50L, 5L, 51L, 1L, 3L);
+                TEST_IFACE, UID_ALL, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO, 50L, 5L, 51L, 1L, 3L);
         expectNetworkStatsSummary(new NetworkStats(getElapsedRealtime(), 1).insertEntry(entry));
         expectNetworkStatsUidDetail(buildEmptyStats());
         forcePollAndWaitForIdle();
@@ -1167,11 +1175,14 @@
                 new UnderlyingNetworkInfo[0]);
 
         NetworkStats.Entry entry1 = new NetworkStats.Entry(
-                TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, 50L, 5L, 50L, 5L, 0L);
+                TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO, 50L, 5L, 50L, 5L, 0L);
         NetworkStats.Entry entry2 = new NetworkStats.Entry(
-                TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, 50L, 5L, 50L, 5L, 0L);
+                TEST_IFACE, UID_RED, SET_DEFAULT, 0xF00D, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO, 50L, 5L, 50L, 5L, 0L);
         NetworkStats.Entry entry3 = new NetworkStats.Entry(
-                TEST_IFACE, UID_BLUE, SET_DEFAULT, 0xBEEF, 1024L, 8L, 512L, 4L, 0L);
+                TEST_IFACE, UID_BLUE, SET_DEFAULT, 0xBEEF, METERED_NO, ROAMING_NO,
+                DEFAULT_NETWORK_NO, 1024L, 8L, 512L, 4L, 0L);
 
         incrementCurrentTime(HOUR_IN_MILLIS);
         expectDefaultSettings();
@@ -1679,7 +1690,7 @@
         incrementCurrentTime(MINUTE_IN_MILLIS);
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        12L, 18L, 14L, 1L, 0L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 12L, 18L, 14L, 1L, 0L)));
         forcePollAndWaitForIdle();
 
         // Since CombineSubtypeEnabled is false by default in unit test, the generated traffic
@@ -1703,9 +1714,10 @@
         // Append more traffic on existing snapshot.
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        12L + 4L, 18L + 4L, 14L + 3L, 1L + 1L, 0L))
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 12L + 4L, 18L + 4L, 14L + 3L,
+                        1L + 1L, 0L))
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_FOREGROUND, TAG_NONE,
-                        35L, 29L, 7L, 11L, 1L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 35L, 29L, 7L, 11L, 1L)));
         forcePollAndWaitForIdle();
 
         // Verify 3G counters do not increase, while template with unknown RAT type gets new
@@ -1725,9 +1737,9 @@
         // Append more traffic on existing snapshot.
         expectNetworkStatsUidDetail(new NetworkStats(getElapsedRealtime(), 1)
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_DEFAULT, TAG_NONE,
-                        22L, 26L, 19L, 5L, 0L))
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 22L, 26L, 19L, 5L, 0L))
                 .addEntry(new NetworkStats.Entry(TEST_IFACE, UID_RED, SET_FOREGROUND, TAG_NONE,
-                        35L, 29L, 7L, 11L, 1L)));
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 35L, 29L, 7L, 11L, 1L)));
         forcePollAndWaitForIdle();
 
         // Verify traffic is split by RAT type, no increase on template with unknown RAT type
@@ -2315,4 +2327,44 @@
         assertTrue(mAppUidStatsMap.containsKey(new UidStatsMapKey(UID_RED)));
         assertTrue(mUidCounterSetMap.containsKey(new U32(UID_RED)));
     }
+
+    private void assertDumpContains(final String dump, final String message) {
+        assertTrue(String.format("dump(%s) does not contain '%s'", dump, message),
+                dump.contains(message));
+    }
+
+    private String getDump() {
+        final StringWriter sw = new StringWriter();
+        mService.dump(new FileDescriptor(), new PrintWriter(sw), new String[]{});
+        return sw.toString();
+    }
+
+    @Test
+    public void testDumpCookieTagMap() throws ErrnoException {
+        initBpfMapsWithTagData(UID_BLUE);
+
+        final String dump = getDump();
+        assertDumpContains(dump, "mCookieTagMap: OK");
+        assertDumpContains(dump, "cookie=2002 tag=0x1 uid=1002");
+        assertDumpContains(dump, "cookie=3002 tag=0x2 uid=1002");
+    }
+
+    @Test
+    public void testDumpUidCounterSetMap() throws ErrnoException {
+        initBpfMapsWithTagData(UID_BLUE);
+
+        final String dump = getDump();
+        assertDumpContains(dump, "mUidCounterSetMap: OK");
+        assertDumpContains(dump, "uid=1002 set=1");
+    }
+
+    @Test
+    public void testAppUidStatsMap() throws ErrnoException {
+        initBpfMapsWithTagData(UID_BLUE);
+
+        final String dump = getDump();
+        assertDumpContains(dump, "mAppUidStatsMap: OK");
+        assertDumpContains(dump, "uid rxBytes rxPackets txBytes txPackets");
+        assertDumpContains(dump, "1002 10000 10 6000 6");
+    }
 }
diff --git a/tests/unit/res/raw/xt_qtaguid_iface_fmt_typical b/tests/unit/res/raw/xt_qtaguid_iface_fmt_typical
deleted file mode 100644
index 656d5bb..0000000
--- a/tests/unit/res/raw/xt_qtaguid_iface_fmt_typical
+++ /dev/null
@@ -1,4 +0,0 @@
-ifname total_skb_rx_bytes total_skb_rx_packets total_skb_tx_bytes total_skb_tx_packets
-rmnet2 4968 35 3081 39
-rmnet1 11153922 8051 190226 2468
-rmnet0 6824 16 5692 10
diff --git a/tests/unit/res/raw/xt_qtaguid_iface_typical b/tests/unit/res/raw/xt_qtaguid_iface_typical
deleted file mode 100644
index 610723a..0000000
--- a/tests/unit/res/raw/xt_qtaguid_iface_typical
+++ /dev/null
@@ -1,6 +0,0 @@
-rmnet3 1 0 0 0 0 20822 501 1149991 815
-rmnet2 1 0 0 0 0 1594 15 1313 15
-rmnet1 1 0 0 0 0 207398 458 166918 565
-rmnet0 1 0 0 0 0 2112 24 700 10
-test1 1 1 2 3 4 5 6 7 8
-test2 0 1 2 3 4 5 6 7 8
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_incorrect_iface b/tests/unit/res/raw/xt_qtaguid_vpn_incorrect_iface
index fc92715..8b75565 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_incorrect_iface
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_incorrect_iface
@@ -1,3 +1,3 @@
 idx iface acct_tag_hex uid_tag_int cnt_set rx_bytes rx_packets tx_bytes tx_packets rx_tcp_bytes rx_tcp_packets rx_udp_bytes rx_udp_packets rx_other_bytes rx_other_packets tx_tcp_bytes tx_tcp_packets tx_udp_bytes tx_udp_packets tx_other_bytes tx_other_packets
 2 test_nss_tun0 0x0 1001 0 1000 100 1000 100 0 0 0 0 0 0 0 0 0 0 0 0
-3 test1 0x0 1004 0 1100 100 1100 100 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+3 test1 0x0 1004 0 1100 100 1100 100 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying b/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying
index 1ef1889..2b7cce1 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying
@@ -2,4 +2,4 @@
 2 test_nss_tun0 0x0 1001 0 2000 200 1000 100 0 0 0 0 0 0 0 0 0 0 0 0
 3 test_nss_tun0 0x0 1002 0 1000 100 500 50 0 0 0 0 0 0 0 0 0 0 0 0
 4 test0 0x0 1004 0 3300 300 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-5 test0 0x0 1004 1 0 0 1650 150 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+5 test0 0x0 1004 1 0 0 1650 150 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_compression b/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_compression
index 6d6bf55..2028910 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_compression
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_compression
@@ -1,4 +1,4 @@
 idx iface acct_tag_hex uid_tag_int cnt_set rx_bytes rx_packets tx_bytes tx_packets rx_tcp_bytes rx_tcp_packets rx_udp_bytes rx_udp_packets rx_other_bytes rx_other_packets tx_tcp_bytes tx_tcp_packets tx_udp_bytes tx_udp_packets tx_other_bytes tx_other_packets
 2 test_nss_tun0 0x0 1001 0 1000 100 1000 100 0 0 0 0 0 0 0 0 0 0 0 0
 3 test_nss_tun0 0x0 1002 0 3000 300 3000 300 0 0 0 0 0 0 0 0 0 0 0 0
-4 test0 0x0 1004 0 1000 100 1000 100 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+4 test0 0x0 1004 0 1000 100 1000 100 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_own_traffic b/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_own_traffic
index 2c2e5d2..602f8ec 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_own_traffic
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_own_traffic
@@ -3,4 +3,4 @@
 3 test_nss_tun0 0x0 1002 0 1000 100 500 50 0 0 0 0 0 0 0 0 0 0 0 0
 4 test_nss_tun0 0x0 1004 0 5000 500 6000 600 0 0 0 0 0 0 0 0 0 0 0 0
 5 test0 0x0 1004 0 8800 800 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-6 test0 0x0 1004 1 0 0 8250 750 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+6 test0 0x0 1004 1 0 0 8250 750 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_two_vpn b/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_two_vpn
index eb0513b..dbe05f0 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_two_vpn
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_one_underlying_two_vpn
@@ -6,4 +6,4 @@
 6 test0 0x0 1004 0 3300 300 0 0 0 0 0 0 0 0 0 0 0 0 0 0
 7 test0 0x0 1004 1 0 0 1650 150 0 0 0 0 0 0 0 0 0 0 0 0
 8 test1 0x0 1004 0 3850 350 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-9 test1 0x0 1004 1 0 0 1045 95 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+9 test1 0x0 1004 1 0 0 1045 95 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_rewrite_through_self b/tests/unit/res/raw/xt_qtaguid_vpn_rewrite_through_self
index afcdd71..a84a0fe 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_rewrite_through_self
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_rewrite_through_self
@@ -3,4 +3,4 @@
 3 test_nss_tun0 0x0 1002 0 1000 100 500 50 0 0 0 0 0 0 0 0 0 0 0 0
 4 test_nss_tun0 0x0 1004 0 0 0 1600 160 0 0 0 0 0 0 0 0 0 0 0 0
 5 test0 0x0 1004 1 0 0 1760 176 0 0 0 0 0 0 0 0 0 0 0 0
-6 test0 0x0 1004 0 3300 300 0 0 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+6 test0 0x0 1004 0 3300 300 0 0 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_duplication b/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_duplication
index d7c7eb9..7a53bc5 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_duplication
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_duplication
@@ -2,4 +2,4 @@
 2 test_nss_tun0 0x0 1001 0 1000 100 1000 100 0 0 0 0 0 0 0 0 0 0 0 0
 3 test_nss_tun0 0x0 1002 0 1000 100 1000 100 0 0 0 0 0 0 0 0 0 0 0 0
 4 test0 0x0 1004 0 2200 200 2200 200 0 0 0 0 0 0 0 0 0 0 0 0
-5 test1 0x0 1004 0 2200 200 2200 200 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+5 test1 0x0 1004 0 2200 200 2200 200 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_split b/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_split
index 38a3dce..0e4c1b9 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_split
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_split
@@ -1,4 +1,4 @@
 idx iface acct_tag_hex uid_tag_int cnt_set rx_bytes rx_packets tx_bytes tx_packets rx_tcp_bytes rx_tcp_packets rx_udp_bytes rx_udp_packets rx_other_bytes rx_other_packets tx_tcp_bytes tx_tcp_packets tx_udp_bytes tx_udp_packets tx_other_bytes tx_other_packets
 2 test_nss_tun0 0x0 1001 0 500 50 1000 100 0 0 0 0 0 0 0 0 0 0 0 0
 3 test0 0x0 1004 0 330 30 660 60 0 0 0 0 0 0 0 0 0 0 0 0
-4 test1 0x0 1004 0 220 20 440 40 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+4 test1 0x0 1004 0 220 20 440 40 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_split_compression b/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_split_compression
index d35244b..00a1b65 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_split_compression
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_two_underlying_split_compression
@@ -1,4 +1,4 @@
 idx iface acct_tag_hex uid_tag_int cnt_set rx_bytes rx_packets tx_bytes tx_packets rx_tcp_bytes rx_tcp_packets rx_udp_bytes rx_udp_packets rx_other_bytes rx_other_packets tx_tcp_bytes tx_tcp_packets tx_udp_bytes tx_udp_packets tx_other_bytes tx_other_packets
 2 test_nss_tun0 0x0 1001 0 1000 100 1000 100 0 0 0 0 0 0 0 0 0 0 0 0
 3 test0 0x0 1004 0 600 60 600 60 0 0 0 0 0 0 0 0 0 0 0 0
-4 test1 0x0 1004 0 200 20 200 20 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+4 test1 0x0 1004 0 200 20 200 20 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_vpn_with_clat b/tests/unit/res/raw/xt_qtaguid_vpn_with_clat
index 0d893d5..88770a7 100644
--- a/tests/unit/res/raw/xt_qtaguid_vpn_with_clat
+++ b/tests/unit/res/raw/xt_qtaguid_vpn_with_clat
@@ -5,4 +5,4 @@
 5 v4-test0 0x0 1004 1 0 0 1650 150 0 0 0 0 0 0 0 0 0 0 0 0
 6 test0 0x0 0 0 9300 300 0 0 0 0 0 0 0 0 0 0 0 0 0 0
 7 test0 0x0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-8 test0 0x0 1029 0 0 0 4650 150 0 0 0 0 0 0 0 0 0 0 0 0
\ No newline at end of file
+8 test0 0x0 1029 0 0 0 4650 150 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_with_clat_100mb_download_after b/tests/unit/res/raw/xt_qtaguid_with_clat_100mb_download_after
deleted file mode 100644
index 12d98ca..0000000
--- a/tests/unit/res/raw/xt_qtaguid_with_clat_100mb_download_after
+++ /dev/null
@@ -1,189 +0,0 @@
-idx iface acct_tag_hex uid_tag_int cnt_set rx_bytes rx_packets tx_bytes tx_packets rx_tcp_bytes rx_tcp_packets rx_udp_bytes rx_udp_packets rx_other_bytes rx_other_packets tx_tcp_bytes tx_tcp_packets tx_udp_bytes tx_udp_packets tx_other_bytes tx_other_packets
-2 r_rmnet_data0 0x0 0 0 0 0 392 6 0 0 0 0 0 0 0 0 0 0 392 6
-3 r_rmnet_data0 0x0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-4 v4-wlan0 0x0 0 0 58952 2072 2888 65 264 6 0 0 58688 2066 132 3 0 0 2756 62
-5 v4-wlan0 0x0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-6 v4-wlan0 0x0 10034 0 6192 11 1445 11 6192 11 0 0 0 0 1445 11 0 0 0 0
-7 v4-wlan0 0x0 10034 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-8 v4-wlan0 0x0 10057 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-9 v4-wlan0 0x0 10057 1 728 7 392 7 0 0 728 7 0 0 0 0 392 7 0 0
-10 v4-wlan0 0x0 10106 0 2232 18 2232 18 0 0 2232 18 0 0 0 0 2232 18 0 0
-11 v4-wlan0 0x0 10106 1 432952718 314238 5442288 121260 432950238 314218 2480 20 0 0 5433900 121029 8388 231 0 0
-12 wlan0 0x0 0 0 330187296 250652 0 0 329106990 236273 226202 1255 854104 13124 0 0 0 0 0 0
-13 wlan0 0x0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-14 wlan0 0x0 1000 0 77113 272 56151 575 77113 272 0 0 0 0 19191 190 36960 385 0 0
-15 wlan0 0x0 1000 1 20227 80 8356 72 18539 74 1688 6 0 0 7562 66 794 6 0 0
-16 wlan0 0x0 10006 0 80755 92 9122 99 80755 92 0 0 0 0 9122 99 0 0 0 0
-17 wlan0 0x0 10006 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-18 wlan0 0x0 10015 0 4390 7 14824 252 4390 7 0 0 0 0 14824 252 0 0 0 0
-19 wlan0 0x0 10015 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-20 wlan0 0x0 10018 0 4928 11 1741 14 4928 11 0 0 0 0 1741 14 0 0 0 0
-21 wlan0 0x0 10018 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-22 wlan0 0x0 10020 0 21163552 34395 2351650 15326 21162947 34390 605 5 0 0 2351045 15321 605 5 0 0
-23 wlan0 0x0 10020 1 13835740 12938 1548795 6365 13833754 12920 1986 18 0 0 1546809 6347 1986 18 0 0
-24 wlan0 0x0 10023 0 13405 40 5042 44 13405 40 0 0 0 0 5042 44 0 0 0 0
-25 wlan0 0x0 10023 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-26 wlan0 0x0 10034 0 436394741 342648 6237981 80442 436394741 342648 0 0 0 0 6237981 80442 0 0 0 0
-27 wlan0 0x0 10034 1 64860872 51297 1335539 15546 64860872 51297 0 0 0 0 1335539 15546 0 0 0 0
-28 wlan0 0x0 10044 0 17614444 14774 521004 5694 17329882 14432 284562 342 0 0 419974 5408 101030 286 0 0
-29 wlan0 0x0 10044 1 17701 33 3100 28 17701 33 0 0 0 0 3100 28 0 0 0 0
-30 wlan0 0x0 10057 0 12312074 9339 436098 5450 12248060 9263 64014 76 0 0 414224 5388 21874 62 0 0
-31 wlan0 0x0 10057 1 1332953195 954797 31849632 457698 1331933207 953569 1019988 1228 0 0 31702284 456899 147348 799 0 0
-32 wlan0 0x0 10060 0 32972 200 433705 380 32972 200 0 0 0 0 433705 380 0 0 0 0
-33 wlan0 0x0 10060 1 32106 66 37789 87 32106 66 0 0 0 0 37789 87 0 0 0 0
-34 wlan0 0x0 10061 0 7675 23 2509 22 7675 23 0 0 0 0 2509 22 0 0 0 0
-35 wlan0 0x0 10061 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-36 wlan0 0x0 10074 0 38355 82 10447 97 38355 82 0 0 0 0 10447 97 0 0 0 0
-37 wlan0 0x0 10074 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-38 wlan0 0x0 10078 0 49013 79 7167 69 49013 79 0 0 0 0 7167 69 0 0 0 0
-39 wlan0 0x0 10078 1 5872 8 1236 10 5872 8 0 0 0 0 1236 10 0 0 0 0
-40 wlan0 0x0 10082 0 8301 13 1981 15 8301 13 0 0 0 0 1981 15 0 0 0 0
-41 wlan0 0x0 10082 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-42 wlan0 0x0 10086 0 7001 14 1579 15 7001 14 0 0 0 0 1579 15 0 0 0 0
-43 wlan0 0x0 10086 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-44 wlan0 0x0 10090 0 24327795 20224 920502 14661 24327795 20224 0 0 0 0 920502 14661 0 0 0 0
-45 wlan0 0x0 10090 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-46 wlan0 0x0 10092 0 36849 78 12449 81 36849 78 0 0 0 0 12449 81 0 0 0 0
-47 wlan0 0x0 10092 1 60 1 103 1 60 1 0 0 0 0 103 1 0 0 0 0
-48 wlan0 0x0 10095 0 131962 223 37069 241 131962 223 0 0 0 0 37069 241 0 0 0 0
-49 wlan0 0x0 10095 1 12949 21 3930 21 12949 21 0 0 0 0 3930 21 0 0 0 0
-50 wlan0 0x0 10106 0 30899554 22679 632476 12296 30895334 22645 4220 34 0 0 628256 12262 4220 34 0 0
-51 wlan0 0x0 10106 1 88923475 64963 1606962 35612 88917201 64886 3586 29 2688 48 1602032 35535 4930 77 0 0
-52 wlan0 0x40700000000 10020 0 705732 10589 404428 5504 705732 10589 0 0 0 0 404428 5504 0 0 0 0
-53 wlan0 0x40700000000 10020 1 2376 36 1296 18 2376 36 0 0 0 0 1296 18 0 0 0 0
-54 wlan0 0x40800000000 10020 0 34624 146 122525 160 34624 146 0 0 0 0 122525 160 0 0 0 0
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-59 wlan0 0x120300000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-60 wlan0 0x130100000000 10020 0 73101 287 23236 203 73101 287 0 0 0 0 23236 203 0 0 0 0
-61 wlan0 0x130100000000 10020 1 264 4 144 2 264 4 0 0 0 0 144 2 0 0 0 0
-62 wlan0 0x180300000000 10020 0 330648 399 24736 232 330648 399 0 0 0 0 24736 232 0 0 0 0
-63 wlan0 0x180300000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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-65 wlan0 0x180400000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-66 wlan0 0x300000000000 10020 0 15984 65 26927 57 15984 65 0 0 0 0 26927 57 0 0 0 0
-67 wlan0 0x300000000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-68 wlan0 0x1065fff00000000 10020 0 131871 599 93783 445 131871 599 0 0 0 0 93783 445 0 0 0 0
-69 wlan0 0x1065fff00000000 10020 1 264 4 144 2 264 4 0 0 0 0 144 2 0 0 0 0
-70 wlan0 0x1b24f4600000000 10034 0 15445 42 23329 45 15445 42 0 0 0 0 23329 45 0 0 0 0
-71 wlan0 0x1b24f4600000000 10034 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-72 wlan0 0x1000010000000000 10020 0 5542 9 1364 10 5542 9 0 0 0 0 1364 10 0 0 0 0
-73 wlan0 0x1000010000000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-74 wlan0 0x1000040100000000 10020 0 47196 184 213319 257 47196 184 0 0 0 0 213319 257 0 0 0 0
-75 wlan0 0x1000040100000000 10020 1 60 1 103 1 60 1 0 0 0 0 103 1 0 0 0 0
-76 wlan0 0x1000040700000000 10020 0 11599 50 10786 47 11599 50 0 0 0 0 10786 47 0 0 0 0
-77 wlan0 0x1000040700000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-78 wlan0 0x1000040800000000 10020 0 21902 145 174139 166 21902 145 0 0 0 0 174139 166 0 0 0 0
-79 wlan0 0x1000040800000000 10020 1 8568 88 105743 90 8568 88 0 0 0 0 105743 90 0 0 0 0
-80 wlan0 0x1000100300000000 10020 0 55213 118 194551 199 55213 118 0 0 0 0 194551 199 0 0 0 0
-81 wlan0 0x1000100300000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-82 wlan0 0x1000120300000000 10020 0 50826 74 21153 70 50826 74 0 0 0 0 21153 70 0 0 0 0
-83 wlan0 0x1000120300000000 10020 1 72 1 175 2 72 1 0 0 0 0 175 2 0 0 0 0
-84 wlan0 0x1000180300000000 10020 0 744198 657 65437 592 744198 657 0 0 0 0 65437 592 0 0 0 0
-85 wlan0 0x1000180300000000 10020 1 144719 132 10989 108 144719 132 0 0 0 0 10989 108 0 0 0 0
-86 wlan0 0x1000180600000000 10020 0 4599 8 1928 10 4599 8 0 0 0 0 1928 10 0 0 0 0
-87 wlan0 0x1000180600000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-88 wlan0 0x1000250000000000 10020 0 57740 98 13076 88 57740 98 0 0 0 0 13076 88 0 0 0 0
-89 wlan0 0x1000250000000000 10020 1 328 3 414 4 207 2 121 1 0 0 293 3 121 1 0 0
-90 wlan0 0x1000300000000000 10020 0 7675 30 31331 32 7675 30 0 0 0 0 31331 32 0 0 0 0
-91 wlan0 0x1000300000000000 10020 1 30173 97 101335 100 30173 97 0 0 0 0 101335 100 0 0 0 0
-92 wlan0 0x1000310200000000 10020 0 1681 9 2194 9 1681 9 0 0 0 0 2194 9 0 0 0 0
-93 wlan0 0x1000310200000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-94 wlan0 0x1000360000000000 10020 0 5606 20 2831 20 5606 20 0 0 0 0 2831 20 0 0 0 0
-95 wlan0 0x1000360000000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-96 wlan0 0x11065fff00000000 10020 0 18363 91 83367 104 18363 91 0 0 0 0 83367 104 0 0 0 0
-97 wlan0 0x11065fff00000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-98 wlan0 0x3000009600000000 10020 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-99 wlan0 0x3000009600000000 10020 1 6163 18 2424 18 6163 18 0 0 0 0 2424 18 0 0 0 0
-100 wlan0 0x3000009800000000 10020 0 23337 46 8723 39 23337 46 0 0 0 0 8723 39 0 0 0 0
-101 wlan0 0x3000009800000000 10020 1 33744 93 72437 89 33744 93 0 0 0 0 72437 89 0 0 0 0
-102 wlan0 0x3000020000000000 10020 0 4124 11 8969 19 4124 11 0 0 0 0 8969 19 0 0 0 0
-103 wlan0 0x3000020000000000 10020 1 5993 11 3815 14 5993 11 0 0 0 0 3815 14 0 0 0 0
-104 wlan0 0x3000040100000000 10020 0 113809 342 135666 308 113809 342 0 0 0 0 135666 308 0 0 0 0
-105 wlan0 0x3000040100000000 10020 1 142508 642 500579 637 142508 642 0 0 0 0 500579 637 0 0 0 0
-106 wlan0 0x3000040700000000 10020 0 365815 5119 213340 2733 365815 5119 0 0 0 0 213340 2733 0 0 0 0
-107 wlan0 0x3000040700000000 10020 1 30747 130 18408 100 30747 130 0 0 0 0 18408 100 0 0 0 0
-108 wlan0 0x3000040800000000 10020 0 34672 112 68623 92 34672 112 0 0 0 0 68623 92 0 0 0 0
-109 wlan0 0x3000040800000000 10020 1 78443 199 140944 192 78443 199 0 0 0 0 140944 192 0 0 0 0
-110 wlan0 0x3000040b00000000 10020 0 14949 33 4017 26 14949 33 0 0 0 0 4017 26 0 0 0 0
-111 wlan0 0x3000040b00000000 10020 1 996 15 576 8 996 15 0 0 0 0 576 8 0 0 0 0
-112 wlan0 0x3000090000000000 10020 0 11826 67 7309 52 11826 67 0 0 0 0 7309 52 0 0 0 0
-113 wlan0 0x3000090000000000 10020 1 24805 41 4785 41 24805 41 0 0 0 0 4785 41 0 0 0 0
-114 wlan0 0x3000100300000000 10020 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-115 wlan0 0x3000100300000000 10020 1 3112 10 1628 10 3112 10 0 0 0 0 1628 10 0 0 0 0
-116 wlan0 0x3000120300000000 10020 0 38249 107 20374 85 38249 107 0 0 0 0 20374 85 0 0 0 0
-117 wlan0 0x3000120300000000 10020 1 122581 174 36792 143 122581 174 0 0 0 0 36792 143 0 0 0 0
-118 wlan0 0x3000130100000000 10020 0 2700 41 1524 21 2700 41 0 0 0 0 1524 21 0 0 0 0
-119 wlan0 0x3000130100000000 10020 1 22515 59 8366 52 22515 59 0 0 0 0 8366 52 0 0 0 0
-120 wlan0 0x3000180200000000 10020 0 6411 18 14511 20 6411 18 0 0 0 0 14511 20 0 0 0 0
-121 wlan0 0x3000180200000000 10020 1 336 5 319 4 336 5 0 0 0 0 319 4 0 0 0 0
-122 wlan0 0x3000180300000000 10020 0 129301 136 17622 97 129301 136 0 0 0 0 17622 97 0 0 0 0
-123 wlan0 0x3000180300000000 10020 1 464787 429 41703 336 464787 429 0 0 0 0 41703 336 0 0 0 0
-124 wlan0 0x3000180400000000 10020 0 11014 39 2787 25 11014 39 0 0 0 0 2787 25 0 0 0 0
-125 wlan0 0x3000180400000000 10020 1 144040 139 7540 80 144040 139 0 0 0 0 7540 80 0 0 0 0
-126 wlan0 0x3000210100000000 10020 0 10278 44 4579 33 10278 44 0 0 0 0 4579 33 0 0 0 0
-127 wlan0 0x3000210100000000 10020 1 31151 73 14159 47 31151 73 0 0 0 0 14159 47 0 0 0 0
-128 wlan0 0x3000250000000000 10020 0 132 2 72 1 132 2 0 0 0 0 72 1 0 0 0 0
-129 wlan0 0x3000250000000000 10020 1 76614 143 17711 130 76080 137 534 6 0 0 17177 124 534 6 0 0
-130 wlan0 0x3000260100000000 10020 0 9426 26 3535 20 9426 26 0 0 0 0 3535 20 0 0 0 0
-131 wlan0 0x3000260100000000 10020 1 468 7 288 4 468 7 0 0 0 0 288 4 0 0 0 0
-132 wlan0 0x3000300000000000 10020 0 7241 29 12055 26 7241 29 0 0 0 0 12055 26 0 0 0 0
-133 wlan0 0x3000300000000000 10020 1 3273 23 11232 21 3273 23 0 0 0 0 11232 21 0 0 0 0
-134 wlan0 0x3000310000000000 10020 0 132 2 72 1 132 2 0 0 0 0 72 1 0 0 0 0
-135 wlan0 0x3000310000000000 10020 1 53425 64 8721 62 53425 64 0 0 0 0 8721 62 0 0 0 0
-136 wlan0 0x3000310500000000 10020 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-137 wlan0 0x3000310500000000 10020 1 9929 16 3879 18 9929 16 0 0 0 0 3879 18 0 0 0 0
-138 wlan0 0x3000320100000000 10020 0 6844 14 3745 13 6844 14 0 0 0 0 3745 13 0 0 0 0
-139 wlan0 0x3000320100000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-140 wlan0 0x3000360000000000 10020 0 8855 43 4749 31 8855 43 0 0 0 0 4749 31 0 0 0 0
-141 wlan0 0x3000360000000000 10020 1 5597 19 2456 19 5597 19 0 0 0 0 2456 19 0 0 0 0
-142 wlan0 0x3010000000000000 10090 0 605140 527 38435 429 605140 527 0 0 0 0 38435 429 0 0 0 0
-143 wlan0 0x3010000000000000 10090 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-144 wlan0 0x31065fff00000000 10020 0 22011 67 29665 64 22011 67 0 0 0 0 29665 64 0 0 0 0
-145 wlan0 0x31065fff00000000 10020 1 10695 34 18347 35 10695 34 0 0 0 0 18347 35 0 0 0 0
-146 wlan0 0x32e544f900000000 10034 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-147 wlan0 0x32e544f900000000 10034 1 40143 54 7299 61 40143 54 0 0 0 0 7299 61 0 0 0 0
-148 wlan0 0x58872a4400000000 10018 0 4928 11 1669 13 4928 11 0 0 0 0 1669 13 0 0 0 0
-149 wlan0 0x58872a4400000000 10018 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-150 wlan0 0x5caeaa7b00000000 10034 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-151 wlan0 0x5caeaa7b00000000 10034 1 74971 73 7103 75 74971 73 0 0 0 0 7103 75 0 0 0 0
-152 wlan0 0x9e00923800000000 10034 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-153 wlan0 0x9e00923800000000 10034 1 72385 98 13072 110 72385 98 0 0 0 0 13072 110 0 0 0 0
-154 wlan0 0xb972bdd400000000 10034 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-155 wlan0 0xb972bdd400000000 10034 1 15282 24 3034 27 15282 24 0 0 0 0 3034 27 0 0 0 0
-156 wlan0 0xc7c9f7ba00000000 10034 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-157 wlan0 0xc7c9f7ba00000000 10034 1 194915 185 13316 138 194915 185 0 0 0 0 13316 138 0 0 0 0
-158 wlan0 0xc9395b2600000000 10034 0 6991 13 6215 14 6991 13 0 0 0 0 6215 14 0 0 0 0
-159 wlan0 0xc9395b2600000000 10034 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-160 wlan0 0xdaddf21100000000 10034 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-161 wlan0 0xdaddf21100000000 10034 1 928676 849 81570 799 928676 849 0 0 0 0 81570 799 0 0 0 0
-162 wlan0 0xe8d195d100000000 10020 0 516 8 288 4 516 8 0 0 0 0 288 4 0 0 0 0
-163 wlan0 0xe8d195d100000000 10020 1 5905 15 2622 15 5905 15 0 0 0 0 2622 15 0 0 0 0
-164 wlan0 0xe8d195d100000000 10034 0 236640 524 312523 555 236640 524 0 0 0 0 312523 555 0 0 0 0
-165 wlan0 0xe8d195d100000000 10034 1 319028 539 188776 553 319028 539 0 0 0 0 188776 553 0 0 0 0
-166 wlan0 0xffffff0100000000 10006 0 80755 92 9122 99 80755 92 0 0 0 0 9122 99 0 0 0 0
-167 wlan0 0xffffff0100000000 10006 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-168 wlan0 0xffffff0100000000 10020 0 17874405 14068 223987 3065 17874405 14068 0 0 0 0 223987 3065 0 0 0 0
-169 wlan0 0xffffff0100000000 10020 1 11011258 8672 177693 2407 11011258 8672 0 0 0 0 177693 2407 0 0 0 0
-170 wlan0 0xffffff0100000000 10034 0 436062595 341880 5843990 79630 436062595 341880 0 0 0 0 5843990 79630 0 0 0 0
-171 wlan0 0xffffff0100000000 10034 1 63201220 49447 1005882 13713 63201220 49447 0 0 0 0 1005882 13713 0 0 0 0
-172 wlan0 0xffffff0100000000 10044 0 17159287 13702 356212 4778 17159287 13702 0 0 0 0 356212 4778 0 0 0 0
-173 wlan0 0xffffff0100000000 10044 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-174 wlan0 0xffffff0100000000 10078 0 10439 17 1665 15 10439 17 0 0 0 0 1665 15 0 0 0 0
-175 wlan0 0xffffff0100000000 10078 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-176 wlan0 0xffffff0100000000 10090 0 23722655 19697 881995 14231 23722655 19697 0 0 0 0 881995 14231 0 0 0 0
-177 wlan0 0xffffff0100000000 10090 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-178 wlan0 0xffffff0500000000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-179 wlan0 0xffffff0500000000 1000 1 1592 5 314 1 0 0 1592 5 0 0 0 0 314 1 0 0
-180 wlan0 0xffffff0600000000 1000 0 0 0 36960 385 0 0 0 0 0 0 0 0 36960 385 0 0
-181 wlan0 0xffffff0600000000 1000 1 96 1 480 5 0 0 96 1 0 0 0 0 480 5 0 0
-182 wlan0 0xffffff0700000000 1000 0 38732 229 16567 163 38732 229 0 0 0 0 16567 163 0 0 0 0
-183 wlan0 0xffffff0700000000 1000 1 18539 74 7562 66 18539 74 0 0 0 0 7562 66 0 0 0 0
-184 wlan0 0xffffff0900000000 1000 0 38381 43 2624 27 38381 43 0 0 0 0 2624 27 0 0 0 0
-185 wlan0 0xffffff0900000000 1000 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-186 dummy0 0x0 0 0 0 0 168 3 0 0 0 0 0 0 0 0 0 0 168 3
-187 dummy0 0x0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-188 wlan0 0x0 1029 0 0 0 8524052 130894 0 0 0 0 0 0 7871216 121284 108568 1325 544268 8285
-189 wlan0 0x0 1029 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
diff --git a/tests/unit/res/raw/xt_qtaguid_with_clat_100mb_download_before b/tests/unit/res/raw/xt_qtaguid_with_clat_100mb_download_before
deleted file mode 100644
index ce4bcc3..0000000
--- a/tests/unit/res/raw/xt_qtaguid_with_clat_100mb_download_before
+++ /dev/null
@@ -1,187 +0,0 @@
-idx iface acct_tag_hex uid_tag_int cnt_set rx_bytes rx_packets tx_bytes tx_packets rx_tcp_bytes rx_tcp_packets rx_udp_bytes rx_udp_packets rx_other_bytes rx_other_packets tx_tcp_bytes tx_tcp_packets tx_udp_bytes tx_udp_packets tx_other_bytes tx_other_packets
-2 r_rmnet_data0 0x0 0 0 0 0 392 6 0 0 0 0 0 0 0 0 0 0 392 6
-3 r_rmnet_data0 0x0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-4 v4-wlan0 0x0 0 0 58848 2070 2836 64 160 4 0 0 58688 2066 80 2 0 0 2756 62
-5 v4-wlan0 0x0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-6 v4-wlan0 0x0 10034 0 6192 11 1445 11 6192 11 0 0 0 0 1445 11 0 0 0 0
-7 v4-wlan0 0x0 10034 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-8 v4-wlan0 0x0 10057 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-9 v4-wlan0 0x0 10057 1 728 7 392 7 0 0 728 7 0 0 0 0 392 7 0 0
-10 v4-wlan0 0x0 10106 0 1488 12 1488 12 0 0 1488 12 0 0 0 0 1488 12 0 0
-11 v4-wlan0 0x0 10106 1 323981189 235142 3509032 84542 323979453 235128 1736 14 0 0 3502676 84363 6356 179 0 0
-12 wlan0 0x0 0 0 330187296 250652 0 0 329106990 236273 226202 1255 854104 13124 0 0 0 0 0 0
-13 wlan0 0x0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-14 wlan0 0x0 1000 0 77113 272 56151 575 77113 272 0 0 0 0 19191 190 36960 385 0 0
-15 wlan0 0x0 1000 1 20227 80 8356 72 18539 74 1688 6 0 0 7562 66 794 6 0 0
-16 wlan0 0x0 10006 0 80755 92 9122 99 80755 92 0 0 0 0 9122 99 0 0 0 0
-17 wlan0 0x0 10006 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-18 wlan0 0x0 10015 0 4390 7 14824 252 4390 7 0 0 0 0 14824 252 0 0 0 0
-19 wlan0 0x0 10015 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-20 wlan0 0x0 10018 0 4928 11 1741 14 4928 11 0 0 0 0 1741 14 0 0 0 0
-21 wlan0 0x0 10018 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-22 wlan0 0x0 10020 0 21141412 34316 2329881 15262 21140807 34311 605 5 0 0 2329276 15257 605 5 0 0
-23 wlan0 0x0 10020 1 13835740 12938 1548555 6362 13833754 12920 1986 18 0 0 1546569 6344 1986 18 0 0
-24 wlan0 0x0 10023 0 13405 40 5042 44 13405 40 0 0 0 0 5042 44 0 0 0 0
-25 wlan0 0x0 10023 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-26 wlan0 0x0 10034 0 436394741 342648 6237981 80442 436394741 342648 0 0 0 0 6237981 80442 0 0 0 0
-27 wlan0 0x0 10034 1 64860872 51297 1335539 15546 64860872 51297 0 0 0 0 1335539 15546 0 0 0 0
-28 wlan0 0x0 10044 0 17614444 14774 521004 5694 17329882 14432 284562 342 0 0 419974 5408 101030 286 0 0
-29 wlan0 0x0 10044 1 17701 33 3100 28 17701 33 0 0 0 0 3100 28 0 0 0 0
-30 wlan0 0x0 10057 0 12311735 9335 435954 5448 12247721 9259 64014 76 0 0 414080 5386 21874 62 0 0
-31 wlan0 0x0 10057 1 1332953195 954797 31849632 457698 1331933207 953569 1019988 1228 0 0 31702284 456899 147348 799 0 0
-32 wlan0 0x0 10060 0 32972 200 433705 380 32972 200 0 0 0 0 433705 380 0 0 0 0
-33 wlan0 0x0 10060 1 32106 66 37789 87 32106 66 0 0 0 0 37789 87 0 0 0 0
-34 wlan0 0x0 10061 0 7675 23 2509 22 7675 23 0 0 0 0 2509 22 0 0 0 0
-35 wlan0 0x0 10061 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-36 wlan0 0x0 10074 0 38355 82 10447 97 38355 82 0 0 0 0 10447 97 0 0 0 0
-37 wlan0 0x0 10074 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-38 wlan0 0x0 10078 0 49013 79 7167 69 49013 79 0 0 0 0 7167 69 0 0 0 0
-39 wlan0 0x0 10078 1 5872 8 1236 10 5872 8 0 0 0 0 1236 10 0 0 0 0
-40 wlan0 0x0 10082 0 8301 13 1981 15 8301 13 0 0 0 0 1981 15 0 0 0 0
-41 wlan0 0x0 10082 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-42 wlan0 0x0 10086 0 7001 14 1579 15 7001 14 0 0 0 0 1579 15 0 0 0 0
-43 wlan0 0x0 10086 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-44 wlan0 0x0 10090 0 24327795 20224 920502 14661 24327795 20224 0 0 0 0 920502 14661 0 0 0 0
-45 wlan0 0x0 10090 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-46 wlan0 0x0 10092 0 36849 78 12449 81 36849 78 0 0 0 0 12449 81 0 0 0 0
-47 wlan0 0x0 10092 1 60 1 103 1 60 1 0 0 0 0 103 1 0 0 0 0
-48 wlan0 0x0 10095 0 131962 223 37069 241 131962 223 0 0 0 0 37069 241 0 0 0 0
-49 wlan0 0x0 10095 1 12949 21 3930 21 12949 21 0 0 0 0 3930 21 0 0 0 0
-50 wlan0 0x0 10106 0 30899554 22679 632476 12296 30895334 22645 4220 34 0 0 628256 12262 4220 34 0 0
-51 wlan0 0x0 10106 1 88922349 64952 1605126 35599 88916075 64875 3586 29 2688 48 1600196 35522 4930 77 0 0
-52 wlan0 0x40700000000 10020 0 705732 10589 404428 5504 705732 10589 0 0 0 0 404428 5504 0 0 0 0
-53 wlan0 0x40700000000 10020 1 2376 36 1296 18 2376 36 0 0 0 0 1296 18 0 0 0 0
-54 wlan0 0x40800000000 10020 0 34624 146 122525 160 34624 146 0 0 0 0 122525 160 0 0 0 0
-55 wlan0 0x40800000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-56 wlan0 0x40b00000000 10020 0 22411 85 7364 57 22411 85 0 0 0 0 7364 57 0 0 0 0
-57 wlan0 0x40b00000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-58 wlan0 0x120300000000 10020 0 76641 241 32783 169 76641 241 0 0 0 0 32783 169 0 0 0 0
-59 wlan0 0x120300000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-60 wlan0 0x130100000000 10020 0 73101 287 23236 203 73101 287 0 0 0 0 23236 203 0 0 0 0
-61 wlan0 0x130100000000 10020 1 264 4 144 2 264 4 0 0 0 0 144 2 0 0 0 0
-62 wlan0 0x180300000000 10020 0 330648 399 24736 232 330648 399 0 0 0 0 24736 232 0 0 0 0
-63 wlan0 0x180300000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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-65 wlan0 0x180400000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-66 wlan0 0x300000000000 10020 0 15984 65 26927 57 15984 65 0 0 0 0 26927 57 0 0 0 0
-67 wlan0 0x300000000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-68 wlan0 0x1065fff00000000 10020 0 131871 599 93783 445 131871 599 0 0 0 0 93783 445 0 0 0 0
-69 wlan0 0x1065fff00000000 10020 1 264 4 144 2 264 4 0 0 0 0 144 2 0 0 0 0
-70 wlan0 0x1b24f4600000000 10034 0 15445 42 23329 45 15445 42 0 0 0 0 23329 45 0 0 0 0
-71 wlan0 0x1b24f4600000000 10034 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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-75 wlan0 0x1000040100000000 10020 1 60 1 103 1 60 1 0 0 0 0 103 1 0 0 0 0
-76 wlan0 0x1000040700000000 10020 0 11599 50 10786 47 11599 50 0 0 0 0 10786 47 0 0 0 0
-77 wlan0 0x1000040700000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-78 wlan0 0x1000040800000000 10020 0 21902 145 174139 166 21902 145 0 0 0 0 174139 166 0 0 0 0
-79 wlan0 0x1000040800000000 10020 1 8568 88 105743 90 8568 88 0 0 0 0 105743 90 0 0 0 0
-80 wlan0 0x1000100300000000 10020 0 55213 118 194551 199 55213 118 0 0 0 0 194551 199 0 0 0 0
-81 wlan0 0x1000100300000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-82 wlan0 0x1000120300000000 10020 0 50826 74 21153 70 50826 74 0 0 0 0 21153 70 0 0 0 0
-83 wlan0 0x1000120300000000 10020 1 72 1 175 2 72 1 0 0 0 0 175 2 0 0 0 0
-84 wlan0 0x1000180300000000 10020 0 744198 657 65437 592 744198 657 0 0 0 0 65437 592 0 0 0 0
-85 wlan0 0x1000180300000000 10020 1 144719 132 10989 108 144719 132 0 0 0 0 10989 108 0 0 0 0
-86 wlan0 0x1000180600000000 10020 0 4599 8 1928 10 4599 8 0 0 0 0 1928 10 0 0 0 0
-87 wlan0 0x1000180600000000 10020 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-88 wlan0 0x1000250000000000 10020 0 57740 98 13076 88 57740 98 0 0 0 0 13076 88 0 0 0 0
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