Merge "Add method to read trunk stable flag" into main
diff --git a/TEST_MAPPING b/TEST_MAPPING
index d33453c..fafd3bb 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -1,7 +1,12 @@
 {
   "presubmit": [
     {
-      "name": "ConnectivityCoverageTests"
+      "name": "ConnectivityCoverageTests",
+      "options": [
+        {
+          "exclude-annotation": "com.android.testutils.NetworkStackModuleTest"
+        }
+      ]
     },
     {
       // In addition to ConnectivityCoverageTests, runs non-connectivity-module tests
diff --git a/Tethering/apishim/31/com/android/networkstack/tethering/apishim/api31/BpfCoordinatorShimImpl.java b/Tethering/apishim/31/com/android/networkstack/tethering/apishim/api31/BpfCoordinatorShimImpl.java
index a280046..4d1e7ef 100644
--- a/Tethering/apishim/31/com/android/networkstack/tethering/apishim/api31/BpfCoordinatorShimImpl.java
+++ b/Tethering/apishim/31/com/android/networkstack/tethering/apishim/api31/BpfCoordinatorShimImpl.java
@@ -167,7 +167,6 @@
 
     @Override
     public boolean addIpv6UpstreamRule(@NonNull final Ipv6UpstreamRule rule) {
-        if (!isInitialized()) return false;
         // RFC7421_PREFIX_LENGTH = 64 which is the most commonly used IPv6 subnet prefix length.
         if (rule.sourcePrefix.getPrefixLength() != RFC7421_PREFIX_LENGTH) return false;
 
@@ -185,7 +184,6 @@
 
     @Override
     public boolean removeIpv6UpstreamRule(@NonNull final Ipv6UpstreamRule rule) {
-        if (!isInitialized()) return false;
         // RFC7421_PREFIX_LENGTH = 64 which is the most commonly used IPv6 subnet prefix length.
         if (rule.sourcePrefix.getPrefixLength() != RFC7421_PREFIX_LENGTH) return false;
 
@@ -200,8 +198,6 @@
 
     @Override
     public boolean addIpv6DownstreamRule(@NonNull final Ipv6DownstreamRule rule) {
-        if (!isInitialized()) return false;
-
         final TetherDownstream6Key key = rule.makeTetherDownstream6Key();
         final Tether6Value value = rule.makeTether6Value();
 
@@ -217,8 +213,6 @@
 
     @Override
     public boolean removeIpv6DownstreamRule(@NonNull final Ipv6DownstreamRule rule) {
-        if (!isInitialized()) return false;
-
         try {
             mBpfDownstream6Map.deleteEntry(rule.makeTetherDownstream6Key());
         } catch (ErrnoException e) {
@@ -234,8 +228,6 @@
     @Override
     @Nullable
     public SparseArray<TetherStatsValue> tetherOffloadGetStats() {
-        if (!isInitialized()) return null;
-
         final SparseArray<TetherStatsValue> tetherStatsList = new SparseArray<TetherStatsValue>();
         try {
             // The reported tether stats are total data usage for all currently-active upstream
@@ -250,8 +242,6 @@
 
     @Override
     public boolean tetherOffloadSetInterfaceQuota(int ifIndex, long quotaBytes) {
-        if (!isInitialized()) return false;
-
         // The common case is an update, where the stats already exist,
         // hence we read first, even though writing with BPF_NOEXIST
         // first would make the code simpler.
@@ -307,8 +297,6 @@
     @Override
     @Nullable
     public TetherStatsValue tetherOffloadGetAndClearStats(int ifIndex) {
-        if (!isInitialized()) return null;
-
         // getAndClearTetherOffloadStats is called after all offload rules have already been
         // deleted for the given upstream interface. Before starting to do cleanup stuff in this
         // function, use synchronizeKernelRCU to make sure that all the current running eBPF
@@ -354,8 +342,6 @@
     @Override
     public boolean tetherOffloadRuleAdd(boolean downstream, @NonNull Tether4Key key,
             @NonNull Tether4Value value) {
-        if (!isInitialized()) return false;
-
         try {
             if (downstream) {
                 mBpfDownstream4Map.insertEntry(key, value);
@@ -379,8 +365,6 @@
 
     @Override
     public boolean tetherOffloadRuleRemove(boolean downstream, @NonNull Tether4Key key) {
-        if (!isInitialized()) return false;
-
         try {
             if (downstream) {
                 if (!mBpfDownstream4Map.deleteEntry(key)) return false;  // Rule did not exist
@@ -413,8 +397,6 @@
     @Override
     public void tetherOffloadRuleForEach(boolean downstream,
             @NonNull ThrowingBiConsumer<Tether4Key, Tether4Value> action) {
-        if (!isInitialized()) return;
-
         try {
             if (downstream) {
                 mBpfDownstream4Map.forEach(action);
@@ -428,8 +410,6 @@
 
     @Override
     public boolean attachProgram(String iface, boolean downstream, boolean ipv4) {
-        if (!isInitialized()) return false;
-
         try {
             BpfUtils.attachProgram(iface, downstream, ipv4);
         } catch (IOException e) {
@@ -441,8 +421,6 @@
 
     @Override
     public boolean detachProgram(String iface, boolean ipv4) {
-        if (!isInitialized()) return false;
-
         try {
             BpfUtils.detachProgram(iface, ipv4);
         } catch (IOException e) {
@@ -460,8 +438,6 @@
 
     @Override
     public boolean addDevMap(int ifIndex) {
-        if (!isInitialized()) return false;
-
         try {
             mBpfDevMap.updateEntry(new TetherDevKey(ifIndex), new TetherDevValue(ifIndex));
         } catch (ErrnoException e) {
@@ -473,8 +449,6 @@
 
     @Override
     public boolean removeDevMap(int ifIndex) {
-        if (!isInitialized()) return false;
-
         try {
             mBpfDevMap.deleteEntry(new TetherDevKey(ifIndex));
         } catch (ErrnoException e) {
diff --git a/Tethering/src/android/net/ip/IpServer.java b/Tethering/src/android/net/ip/IpServer.java
index a851410..e030902 100644
--- a/Tethering/src/android/net/ip/IpServer.java
+++ b/Tethering/src/android/net/ip/IpServer.java
@@ -127,6 +127,7 @@
     // TODO: have this configurable
     private static final int DHCP_LEASE_TIME_SECS = 3600;
 
+    private static final int NO_UPSTREAM = 0;
     private static final MacAddress NULL_MAC_ADDRESS = MacAddress.fromString("00:00:00:00:00:00");
 
     private static final String TAG = "IpServer";
@@ -259,6 +260,12 @@
     private int mLastError;
     private int mServingMode;
     private InterfaceSet mUpstreamIfaceSet;  // may change over time
+    // mInterfaceParams can't be final now because IpServer will be created when receives
+    // WIFI_AP_STATE_CHANGED broadcasts or when it detects that the wifi interface has come up.
+    // In the latter case, the interface is not fully initialized and the MAC address might not
+    // be correct (it will be set with a randomized MAC address later).
+    // TODO: Consider create the IpServer only when tethering want to enable it, then we can
+    //       make mInterfaceParams final.
     private InterfaceParams mInterfaceParams;
     // TODO: De-duplicate this with mLinkProperties above. Currently, these link
     // properties are those selected by the IPv6TetheringCoordinator and relayed
@@ -740,7 +747,7 @@
         RaParams params = null;
         String upstreamIface = null;
         InterfaceParams upstreamIfaceParams = null;
-        int upstreamIfIndex = 0;
+        int upstreamIfIndex = NO_UPSTREAM;
 
         if (v6only != null) {
             upstreamIface = v6only.getInterfaceName();
@@ -772,7 +779,7 @@
         // CMD_TETHER_CONNECTION_CHANGED. Adding the mapping update here to the avoid potential
         // timing issue. It prevents that the IPv6 capability is updated later than
         // CMD_TETHER_CONNECTION_CHANGED.
-        mBpfCoordinator.addUpstreamNameToLookupTable(upstreamIfIndex, upstreamIface);
+        mBpfCoordinator.maybeAddUpstreamToLookupTable(upstreamIfIndex, upstreamIface);
 
         // If v6only is null, we pass in null to setRaParams(), which handles
         // deprecation of any existing RA data.
@@ -780,8 +787,7 @@
 
         // Not support BPF on virtual upstream interface
         final boolean upstreamSupportsBpf = upstreamIface != null && !isVcnInterface(upstreamIface);
-        updateIpv6ForwardingRules(
-                mLastIPv6UpstreamIfindex, upstreamIfIndex, upstreamSupportsBpf, null);
+        updateIpv6ForwardingRules(mLastIPv6UpstreamIfindex, upstreamIfIndex, upstreamSupportsBpf);
         mLastIPv6LinkProperties = v6only;
         mLastIPv6UpstreamIfindex = upstreamIfIndex;
         mUpstreamSupportsBpf = upstreamSupportsBpf;
@@ -887,25 +893,23 @@
         }
     }
 
-    // Handles all updates to IPv6 forwarding rules. These can currently change only if the upstream
-    // changes or if a neighbor event is received.
+    private int getInterfaceIndexForRule(int ifindex, boolean supportsBpf) {
+        return supportsBpf ? ifindex : NO_UPSTREAM;
+    }
+
+    // Handles updates to IPv6 forwarding rules if the upstream changes.
     private void updateIpv6ForwardingRules(int prevUpstreamIfindex, int upstreamIfindex,
-            boolean upstreamSupportsBpf, NeighborEvent e) {
-        // If no longer have an upstream or upstream not supports BPF, clear forwarding rules and do
-        // nothing else.
-        // TODO: Rather than always clear rules, ensure whether ipv6 ever enable first.
-        if (upstreamIfindex == 0 || !upstreamSupportsBpf) {
-            mBpfCoordinator.tetherOffloadRuleClear(this);
-            return;
-        }
-
+            boolean upstreamSupportsBpf) {
         // If the upstream interface has changed, remove all rules and re-add them with the new
-        // upstream interface.
+        // upstream interface. If upstream is a virtual network, treated as no upstream.
         if (prevUpstreamIfindex != upstreamIfindex) {
-            mBpfCoordinator.tetherOffloadRuleUpdate(this, upstreamIfindex);
+            mBpfCoordinator.updateAllIpv6Rules(this, this.mInterfaceParams,
+                    getInterfaceIndexForRule(upstreamIfindex, upstreamSupportsBpf));
         }
+    }
 
-        // If we're here to process a NeighborEvent, do so now.
+    // Handles updates to IPv6 downstream rules if a neighbor event is received.
+    private void addOrRemoveIpv6Downstream(NeighborEvent e) {
         // mInterfaceParams must be non-null or the event would not have arrived.
         if (e == null) return;
         if (!(e.ip instanceof Inet6Address) || e.ip.isMulticastAddress()
@@ -917,8 +921,9 @@
         // Do this here instead of in the Ipv6DownstreamRule constructor to ensure that we
         // never add rules with a null MAC, only delete them.
         MacAddress dstMac = e.isValid() ? e.macAddr : NULL_MAC_ADDRESS;
-        Ipv6DownstreamRule rule = new Ipv6DownstreamRule(upstreamIfindex, mInterfaceParams.index,
-                (Inet6Address) e.ip, mInterfaceParams.macAddr, dstMac);
+        Ipv6DownstreamRule rule = new Ipv6DownstreamRule(
+                getInterfaceIndexForRule(mLastIPv6UpstreamIfindex, mUpstreamSupportsBpf),
+                mInterfaceParams.index, (Inet6Address) e.ip, mInterfaceParams.macAddr, dstMac);
         if (e.isValid()) {
             mBpfCoordinator.addIpv6DownstreamRule(this, rule);
         } else {
@@ -951,8 +956,7 @@
         if (mInterfaceParams != null
                 && mInterfaceParams.index == e.ifindex
                 && mInterfaceParams.hasMacAddress) {
-            updateIpv6ForwardingRules(mLastIPv6UpstreamIfindex, mLastIPv6UpstreamIfindex,
-                    mUpstreamSupportsBpf, e);
+            addOrRemoveIpv6Downstream(e);
             updateClientInfoIpv4(e);
         }
     }
@@ -1285,6 +1289,7 @@
         @Override
         public void exit() {
             cleanupUpstream();
+            mBpfCoordinator.clearAllIpv6Rules(IpServer.this);
             super.exit();
         }
 
@@ -1303,7 +1308,8 @@
 
             for (String ifname : mUpstreamIfaceSet.ifnames) cleanupUpstreamInterface(ifname);
             mUpstreamIfaceSet = null;
-            mBpfCoordinator.tetherOffloadRuleClear(IpServer.this);
+            mBpfCoordinator.updateAllIpv6Rules(
+                    IpServer.this, IpServer.this.mInterfaceParams, NO_UPSTREAM);
         }
 
         private void cleanupUpstreamInterface(String upstreamIface) {
@@ -1370,7 +1376,7 @@
                             final InterfaceParams upstreamIfaceParams =
                                     mDeps.getInterfaceParams(ifname);
                             if (upstreamIfaceParams != null) {
-                                mBpfCoordinator.addUpstreamNameToLookupTable(
+                                mBpfCoordinator.maybeAddUpstreamToLookupTable(
                                         upstreamIfaceParams.index, ifname);
                             }
                         }
@@ -1430,6 +1436,8 @@
     class UnavailableState extends State {
         @Override
         public void enter() {
+            // TODO: move mIpNeighborMonitor.stop() to TetheredState#exit, and trigger a neighbours
+            //       dump after starting mIpNeighborMonitor.
             mIpNeighborMonitor.stop();
             mLastError = TETHER_ERROR_NO_ERROR;
             sendInterfaceState(STATE_UNAVAILABLE);
diff --git a/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java b/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
index 1b23a6c..46c815f 100644
--- a/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
+++ b/Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
@@ -50,6 +50,7 @@
 import android.system.ErrnoException;
 import android.system.OsConstants;
 import android.text.TextUtils;
+import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Log;
 import android.util.SparseArray;
@@ -153,6 +154,7 @@
     static final int NF_CONNTRACK_UDP_TIMEOUT_STREAM = 180;
     @VisibleForTesting
     static final int INVALID_MTU = 0;
+    static final int NO_UPSTREAM = 0;
 
     // List of TCP port numbers which aren't offloaded because the packets require the netfilter
     // conntrack helper. See also TetherController::setForwardRules in netd.
@@ -221,6 +223,23 @@
     // TODO: Remove the unused interface name.
     private final SparseArray<String> mInterfaceNames = new SparseArray<>();
 
+    // How IPv6 upstream rules and downstream rules are managed in BpfCoordinator:
+    // 1. Each upstream rule represents a downstream interface to an upstream interface forwarding.
+    //    No upstream rule will be exist if there is no upstream interface.
+    //    Note that there is at most one upstream interface for a given downstream interface.
+    // 2. Each downstream rule represents an IPv6 neighbor, regardless of the existence of the
+    //    upstream interface. If the upstream is not present, the downstream rules have an upstream
+    //    interface index of NO_UPSTREAM, only exist in BpfCoordinator and won't be written to the
+    //    BPF map. When the upstream comes back, those downstream rules will be updated by calling
+    //    Ipv6DownstreamRule#onNewUpstream and written to the BPF map again. We don't remove the
+    //    downstream rules when upstream is lost is because the upstream may come back with the
+    //    same prefix and we won't receive any neighbor update event in this case.
+    //    TODO: Remove downstream rules when upstream is lost and dump neighbors table when upstream
+    //    interface comes back in order to reconstruct the downstream rules.
+    // 3. It is the same thing for BpfCoordinator if there is no upstream interface or the upstream
+    //    interface is a virtual interface (which currently not supports BPF). In this case,
+    //    IpServer will update its upstream ifindex to NO_UPSTREAM to the BpfCoordinator.
+
     // Map of downstream rule maps. Each of these maps represents the IPv6 forwarding rules for a
     // given downstream. Each map:
     // - Is owned by the IpServer that is responsible for that downstream.
@@ -240,6 +259,16 @@
     private final HashMap<IpServer, LinkedHashMap<Inet6Address, Ipv6DownstreamRule>>
             mIpv6DownstreamRules = new LinkedHashMap<>();
 
+    // Map of IPv6 upstream rules maps. Each of these maps represents the IPv6 upstream rules for a
+    // given downstream. Each map:
+    // - Is owned by the IpServer that is responsible for that downstream.
+    // - Must only be modified by that IpServer.
+    // - Is created when the IpServer adds its first upstream rule, and deleted when the IpServer
+    //   deletes its last upstream rule (or clears its upstream rules)
+    // - Each upstream rule in the ArraySet is corresponding to an upstream interface.
+    private final ArrayMap<IpServer, ArraySet<Ipv6UpstreamRule>>
+            mIpv6UpstreamRules = new ArrayMap<>();
+
     // Map of downstream client maps. Each of these maps represents the IPv4 clients for a given
     // downstream. Needed to build IPv4 forwarding rules when conntrack events are received.
     // Each map:
@@ -603,130 +632,173 @@
     }
 
     /**
-     * Add IPv6 downstream rule. After adding the first rule on a given upstream, must add the data
-     * limit on the given upstream.
-     * Note that this can be only called on handler thread.
+     * Add IPv6 upstream rule. After adding the first rule on a given upstream, must add the
+     * data limit on the given upstream.
      */
-    public void addIpv6DownstreamRule(
-            @NonNull final IpServer ipServer, @NonNull final Ipv6DownstreamRule rule) {
+    private void addIpv6UpstreamRule(
+            @NonNull final IpServer ipServer, @NonNull final Ipv6UpstreamRule rule) {
         if (!isUsingBpf()) return;
 
-        // TODO: Perhaps avoid to add a duplicate rule.
-        if (!mBpfCoordinatorShim.addIpv6DownstreamRule(rule)) return;
-
-        if (!mIpv6DownstreamRules.containsKey(ipServer)) {
-            mIpv6DownstreamRules.put(ipServer, new LinkedHashMap<Inet6Address,
-                    Ipv6DownstreamRule>());
-        }
-        LinkedHashMap<Inet6Address, Ipv6DownstreamRule> rules = mIpv6DownstreamRules.get(ipServer);
-
         // Add upstream and downstream interface index to dev map.
         maybeAddDevMap(rule.upstreamIfindex, rule.downstreamIfindex);
 
         // When the first rule is added to an upstream, setup upstream forwarding and data limit.
         maybeSetLimit(rule.upstreamIfindex);
 
-        if (!isAnyRuleFromDownstreamToUpstream(rule.downstreamIfindex, rule.upstreamIfindex)) {
-            // TODO: support upstream forwarding on non-point-to-point interfaces.
-            // TODO: get the MTU from LinkProperties and update the rules when it changes.
-            Ipv6UpstreamRule upstreamRule = new Ipv6UpstreamRule(rule.upstreamIfindex,
-                    rule.downstreamIfindex, IPV6_ZERO_PREFIX64, rule.srcMac, NULL_MAC_ADDRESS,
-                    NULL_MAC_ADDRESS);
-            if (!mBpfCoordinatorShim.addIpv6UpstreamRule(upstreamRule)) {
-                mLog.e("Failed to add upstream IPv6 forwarding rule: " + upstreamRule);
-            }
+        // TODO: support upstream forwarding on non-point-to-point interfaces.
+        // TODO: get the MTU from LinkProperties and update the rules when it changes.
+        if (!mBpfCoordinatorShim.addIpv6UpstreamRule(rule)) {
+            return;
         }
 
-        // Must update the adding rule after calling #isAnyRuleOnUpstream because it needs to
-        // check if it is about adding a first rule for a given upstream.
+        ArraySet<Ipv6UpstreamRule> rules = mIpv6UpstreamRules.computeIfAbsent(
+                ipServer, k -> new ArraySet<Ipv6UpstreamRule>());
+        rules.add(rule);
+    }
+
+    /**
+     * Clear all IPv6 upstream rules for a given downstream. After removing the last rule on a given
+     * upstream, must clear data limit, update the last tether stats and remove the tether stats in
+     * the BPF maps.
+     */
+    private void clearIpv6UpstreamRules(@NonNull final IpServer ipServer) {
+        if (!isUsingBpf()) return;
+
+        final ArraySet<Ipv6UpstreamRule> upstreamRules = mIpv6UpstreamRules.remove(ipServer);
+        if (upstreamRules == null) return;
+
+        int upstreamIfindex = 0;
+        for (Ipv6UpstreamRule rule: upstreamRules) {
+            if (upstreamIfindex != 0 && rule.upstreamIfindex != upstreamIfindex) {
+                Log.wtf(TAG, "BUG: upstream rules point to more than one interface");
+            }
+            upstreamIfindex = rule.upstreamIfindex;
+            mBpfCoordinatorShim.removeIpv6UpstreamRule(rule);
+        }
+        // Clear the limit if there are no more rules on the given upstream.
+        // Using upstreamIfindex outside the loop is fine because all the rules for a given IpServer
+        // will always have the same upstream index (since they are always added all together by
+        // updateAllIpv6Rules).
+        // The upstreamIfindex can't be 0 because we won't add an Ipv6UpstreamRule with
+        // upstreamIfindex == 0 and if there is no Ipv6UpstreamRule for an IpServer, it will be
+        // removed from mIpv6UpstreamRules.
+        if (upstreamIfindex == 0) {
+            Log.wtf(TAG, "BUG: upstream rules have empty Set or rule.upstreamIfindex == 0");
+            return;
+        }
+        maybeClearLimit(upstreamIfindex);
+    }
+
+    /**
+     * Add IPv6 downstream rule.
+     * Note that this can be only called on handler thread.
+     */
+    public void addIpv6DownstreamRule(
+            @NonNull final IpServer ipServer, @NonNull final Ipv6DownstreamRule rule) {
+        if (!isUsingBpf()) return;
+
+        // TODO: Perhaps avoid to add a duplicate rule.
+        if (rule.upstreamIfindex != NO_UPSTREAM
+                && !mBpfCoordinatorShim.addIpv6DownstreamRule(rule)) return;
+
+        LinkedHashMap<Inet6Address, Ipv6DownstreamRule> rules =
+                mIpv6DownstreamRules.computeIfAbsent(ipServer,
+                        k -> new LinkedHashMap<Inet6Address, Ipv6DownstreamRule>());
         rules.put(rule.address, rule);
     }
 
     /**
-     * Remove IPv6 downstream rule. After removing the last rule on a given upstream, must clear
-     * data limit, update the last tether stats and remove the tether stats in the BPF maps.
+     * Remove IPv6 downstream rule.
      * Note that this can be only called on handler thread.
      */
     public void removeIpv6DownstreamRule(
             @NonNull final IpServer ipServer, @NonNull final Ipv6DownstreamRule rule) {
         if (!isUsingBpf()) return;
 
-        if (!mBpfCoordinatorShim.removeIpv6DownstreamRule(rule)) return;
+        if (rule.upstreamIfindex != NO_UPSTREAM
+                && !mBpfCoordinatorShim.removeIpv6DownstreamRule(rule)) return;
 
         LinkedHashMap<Inet6Address, Ipv6DownstreamRule> rules = mIpv6DownstreamRules.get(ipServer);
         if (rules == null) return;
 
-        // Must remove rules before calling #isAnyRuleOnUpstream because it needs to check if
-        // the last rule is removed for a given upstream. If no rule is removed, return early.
-        // Avoid unnecessary work on a non-existent rule which may have never been added or
-        // removed already.
+        // If no rule is removed, return early. Avoid unnecessary work on a non-existent rule which
+        // may have never been added or removed already.
         if (rules.remove(rule.address) == null) return;
 
         // Remove the downstream entry if it has no more rule.
         if (rules.isEmpty()) {
             mIpv6DownstreamRules.remove(ipServer);
         }
+    }
 
-        // If no more rules between this upstream and downstream, stop upstream forwarding.
-        if (!isAnyRuleFromDownstreamToUpstream(rule.downstreamIfindex, rule.upstreamIfindex)) {
-            Ipv6UpstreamRule upstreamRule = new Ipv6UpstreamRule(rule.upstreamIfindex,
-                    rule.downstreamIfindex, IPV6_ZERO_PREFIX64, rule.srcMac, NULL_MAC_ADDRESS,
-                    NULL_MAC_ADDRESS);
-            if (!mBpfCoordinatorShim.removeIpv6UpstreamRule(upstreamRule)) {
-                mLog.e("Failed to remove upstream IPv6 forwarding rule: " + upstreamRule);
-            }
+    /**
+      * Clear all downstream rules for a given IpServer and return a copy of all removed rules.
+      */
+    @Nullable
+    private Collection<Ipv6DownstreamRule> clearIpv6DownstreamRules(
+            @NonNull final IpServer ipServer) {
+        final LinkedHashMap<Inet6Address, Ipv6DownstreamRule> downstreamRules =
+                mIpv6DownstreamRules.remove(ipServer);
+        if (downstreamRules == null) return null;
+
+        final Collection<Ipv6DownstreamRule> removedRules = downstreamRules.values();
+        for (final Ipv6DownstreamRule rule : removedRules) {
+            if (rule.upstreamIfindex == NO_UPSTREAM) continue;
+            mBpfCoordinatorShim.removeIpv6DownstreamRule(rule);
         }
-
-        // Do cleanup functionality if there is no more rule on the given upstream.
-        maybeClearLimit(rule.upstreamIfindex);
+        return removedRules;
     }
 
     /**
      * Clear all forwarding rules for a given downstream.
      * Note that this can be only called on handler thread.
-     * TODO: rename to tetherOffloadRuleClear6 because of IPv6 only.
      */
-    public void tetherOffloadRuleClear(@NonNull final IpServer ipServer) {
+    public void clearAllIpv6Rules(@NonNull final IpServer ipServer) {
         if (!isUsingBpf()) return;
 
-        final LinkedHashMap<Inet6Address, Ipv6DownstreamRule> rules =
-                mIpv6DownstreamRules.get(ipServer);
-        if (rules == null) return;
-
-        // Need to build a rule list because the rule map may be changed in the iteration.
-        for (final Ipv6DownstreamRule rule : new ArrayList<Ipv6DownstreamRule>(rules.values())) {
-            removeIpv6DownstreamRule(ipServer, rule);
-        }
+        // Clear downstream rules first, because clearing upstream rules fetches the stats, and
+        // fetching the stats requires that no rules be forwarding traffic to or from the upstream.
+        clearIpv6DownstreamRules(ipServer);
+        clearIpv6UpstreamRules(ipServer);
     }
 
     /**
-     * Update existing forwarding rules to new upstream for a given downstream.
+     * Delete all upstream and downstream rules for the passed-in IpServer, and if the new upstream
+     * is nonzero, reapply them to the new upstream.
      * Note that this can be only called on handler thread.
      */
-    public void tetherOffloadRuleUpdate(@NonNull final IpServer ipServer, int newUpstreamIfindex) {
+    public void updateAllIpv6Rules(@NonNull final IpServer ipServer,
+            final InterfaceParams interfaceParams, int newUpstreamIfindex) {
         if (!isUsingBpf()) return;
 
-        final LinkedHashMap<Inet6Address, Ipv6DownstreamRule> rules =
-                mIpv6DownstreamRules.get(ipServer);
-        if (rules == null) return;
+        // Remove IPv6 downstream rules. Remove the old ones before adding the new rules, otherwise
+        // we need to keep a copy of the old rules.
+        // We still need to keep the downstream rules even when the upstream goes away because it
+        // may come back with the same prefixes (unlikely, but possible). Neighbor entries won't be
+        // deleted and we're not expected to receive new Neighbor events in this case.
+        // TODO: Add new rule first to reduce the latency which has no rule. But this is okay
+        //       because if this is a new upstream, it will probably have different prefixes than
+        //       the one these downstream rules are in. If so, they will never see any downstream
+        //       traffic before new neighbor entries are created.
+        final Collection<Ipv6DownstreamRule> deletedDownstreamRules =
+                clearIpv6DownstreamRules(ipServer);
 
-        // Need to build a rule list because the rule map may be changed in the iteration.
-        // First remove all the old rules, then add all the new rules. This is because the upstream
-        // forwarding code in addIpv6DownstreamRule cannot support rules on two upstreams at the
-        // same time. Deleting the rules first ensures that upstream forwarding is disabled on the
-        // old upstream when the last rule is removed from it, and re-enabled on the new upstream
-        // when the first rule is added to it.
-        // TODO: Once the IPv6 client processing code has moved from IpServer to BpfCoordinator, do
-        // something smarter.
-        final ArrayList<Ipv6DownstreamRule> rulesCopy = new ArrayList<>(rules.values());
-        for (final Ipv6DownstreamRule rule : rulesCopy) {
-            // Remove the old rule before adding the new one because the map uses the same key for
-            // both rules. Reversing the processing order causes that the new rule is removed as
-            // unexpected.
-            // TODO: Add new rule first to reduce the latency which has no rule.
-            removeIpv6DownstreamRule(ipServer, rule);
+        // Remove IPv6 upstream rules. Downstream rules must be removed first because
+        // BpfCoordinatorShimImpl#tetherOffloadGetAndClearStats will be called after the removal of
+        // the last upstream rule and it requires that no rules be forwarding traffic to or from
+        // that upstream.
+        clearIpv6UpstreamRules(ipServer);
+
+        // Add new upstream rules.
+        if (newUpstreamIfindex != 0 && interfaceParams != null && interfaceParams.macAddr != null) {
+            addIpv6UpstreamRule(ipServer, new Ipv6UpstreamRule(
+                    newUpstreamIfindex, interfaceParams.index, IPV6_ZERO_PREFIX64,
+                    interfaceParams.macAddr, NULL_MAC_ADDRESS, NULL_MAC_ADDRESS));
         }
-        for (final Ipv6DownstreamRule rule : rulesCopy) {
+
+        // Add updated downstream rules.
+        if (deletedDownstreamRules == null) return;
+        for (final Ipv6DownstreamRule rule : deletedDownstreamRules) {
             addIpv6DownstreamRule(ipServer, rule.onNewUpstream(newUpstreamIfindex));
         }
     }
@@ -737,7 +809,7 @@
      * expects the interface name in NetworkStats object.
      * Note that this can be only called on handler thread.
      */
-    public void addUpstreamNameToLookupTable(int upstreamIfindex, @NonNull String upstreamIface) {
+    public void maybeAddUpstreamToLookupTable(int upstreamIfindex, @Nullable String upstreamIface) {
         if (!isUsingBpf()) return;
 
         if (upstreamIfindex == 0 || TextUtils.isEmpty(upstreamIface)) return;
@@ -1007,7 +1079,7 @@
      * TODO: consider error handling if the attach program failed.
      */
     public void maybeAttachProgram(@NonNull String intIface, @NonNull String extIface) {
-        if (isVcnInterface(extIface)) return;
+        if (!isUsingBpf() || isVcnInterface(extIface)) return;
 
         if (forwardingPairExists(intIface, extIface)) return;
 
@@ -1031,6 +1103,8 @@
      * Detach BPF program
      */
     public void maybeDetachProgram(@NonNull String intIface, @NonNull String extIface) {
+        if (!isUsingBpf()) return;
+
         forwardingPairRemove(intIface, extIface);
 
         // Detaching program may fail because the interface has been removed already.
@@ -1967,9 +2041,8 @@
     }
 
     private int getInterfaceIndexFromRules(@NonNull String ifName) {
-        for (LinkedHashMap<Inet6Address, Ipv6DownstreamRule> rules :
-                mIpv6DownstreamRules.values()) {
-            for (Ipv6DownstreamRule rule : rules.values()) {
+        for (ArraySet<Ipv6UpstreamRule> rules : mIpv6UpstreamRules.values()) {
+            for (Ipv6UpstreamRule rule : rules) {
                 final int upstreamIfindex = rule.upstreamIfindex;
                 if (TextUtils.equals(ifName, mInterfaceNames.get(upstreamIfindex))) {
                     return upstreamIfindex;
@@ -1987,6 +2060,7 @@
     }
 
     private boolean sendDataLimitToBpfMap(int ifIndex, long quotaBytes) {
+        if (!isUsingBpf()) return false;
         if (ifIndex == 0) {
             Log.wtf(TAG, "Invalid interface index.");
             return false;
@@ -2060,28 +2134,14 @@
     // TODO: Rename to isAnyIpv6RuleOnUpstream and define an isAnyRuleOnUpstream method that called
     // both isAnyIpv6RuleOnUpstream and mBpfCoordinatorShim.isAnyIpv4RuleOnUpstream.
     private boolean isAnyRuleOnUpstream(int upstreamIfindex) {
-        for (LinkedHashMap<Inet6Address, Ipv6DownstreamRule> rules :
-                mIpv6DownstreamRules.values()) {
-            for (Ipv6DownstreamRule rule : rules.values()) {
+        for (ArraySet<Ipv6UpstreamRule> rules : mIpv6UpstreamRules.values()) {
+            for (Ipv6UpstreamRule rule : rules) {
                 if (upstreamIfindex == rule.upstreamIfindex) return true;
             }
         }
         return false;
     }
 
-    private boolean isAnyRuleFromDownstreamToUpstream(int downstreamIfindex, int upstreamIfindex) {
-        for (LinkedHashMap<Inet6Address, Ipv6DownstreamRule> rules :
-                mIpv6DownstreamRules.values()) {
-            for (Ipv6DownstreamRule rule : rules.values()) {
-                if (downstreamIfindex == rule.downstreamIfindex
-                        && upstreamIfindex == rule.upstreamIfindex) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-
     // TODO: remove the index from map while the interface has been removed because the map size
     // is 64 entries. See packages\modules\Connectivity\Tethering\bpf_progs\offload.c.
     private void maybeAddDevMap(int upstreamIfindex, int downstreamIfindex) {
diff --git a/Tethering/tests/unit/src/android/net/ip/IpServerTest.java b/Tethering/tests/unit/src/android/net/ip/IpServerTest.java
index c0718d1..d497a4d 100644
--- a/Tethering/tests/unit/src/android/net/ip/IpServerTest.java
+++ b/Tethering/tests/unit/src/android/net/ip/IpServerTest.java
@@ -158,6 +158,7 @@
     private static final String UPSTREAM_IFACE = "upstream0";
     private static final String UPSTREAM_IFACE2 = "upstream1";
     private static final String IPSEC_IFACE = "ipsec0";
+    private static final int NO_UPSTREAM = 0;
     private static final int UPSTREAM_IFINDEX = 101;
     private static final int UPSTREAM_IFINDEX2 = 102;
     private static final int IPSEC_IFINDEX = 103;
@@ -274,8 +275,18 @@
             LinkProperties lp = new LinkProperties();
             lp.setInterfaceName(upstreamIface);
             dispatchTetherConnectionChanged(upstreamIface, lp, 0);
+            if (usingBpfOffload) {
+                InterfaceParams interfaceParams = mDependencies.getInterfaceParams(upstreamIface);
+                assertNotNull("missing upstream interface: " + upstreamIface, interfaceParams);
+                verify(mBpfCoordinator).updateAllIpv6Rules(
+                        mIpServer, TEST_IFACE_PARAMS, interfaceParams.index);
+                verifyStartUpstreamIpv6Forwarding(null, interfaceParams.index);
+            } else {
+                verifyNoUpstreamIpv6ForwardingChange(null);
+            }
         }
-        reset(mNetd, mCallback, mAddressCoordinator, mBpfCoordinator);
+        reset(mCallback, mAddressCoordinator);
+        resetNetdBpfMapAndCoordinator();
         when(mAddressCoordinator.requestDownstreamAddress(any(), anyInt(),
                 anyBoolean())).thenReturn(mTestAddress);
     }
@@ -531,7 +542,7 @@
         InOrder inOrder = inOrder(mNetd, mBpfCoordinator);
 
         // Add the forwarding pair <IFACE_NAME, UPSTREAM_IFACE>.
-        inOrder.verify(mBpfCoordinator).addUpstreamNameToLookupTable(UPSTREAM_IFINDEX,
+        inOrder.verify(mBpfCoordinator).maybeAddUpstreamToLookupTable(UPSTREAM_IFINDEX,
                 UPSTREAM_IFACE);
         inOrder.verify(mBpfCoordinator).maybeAttachProgram(IFACE_NAME, UPSTREAM_IFACE);
         inOrder.verify(mNetd).tetherAddForward(IFACE_NAME, UPSTREAM_IFACE);
@@ -553,7 +564,7 @@
         inOrder.verify(mNetd).tetherRemoveForward(IFACE_NAME, UPSTREAM_IFACE);
 
         // Add the forwarding pair <IFACE_NAME, UPSTREAM_IFACE2>.
-        inOrder.verify(mBpfCoordinator).addUpstreamNameToLookupTable(UPSTREAM_IFINDEX2,
+        inOrder.verify(mBpfCoordinator).maybeAddUpstreamToLookupTable(UPSTREAM_IFINDEX2,
                 UPSTREAM_IFACE2);
         inOrder.verify(mBpfCoordinator).maybeAttachProgram(IFACE_NAME, UPSTREAM_IFACE2);
         inOrder.verify(mNetd).tetherAddForward(IFACE_NAME, UPSTREAM_IFACE2);
@@ -578,7 +589,7 @@
 
         // Add the forwarding pair <IFACE_NAME, UPSTREAM_IFACE2> and expect that failed on
         // tetherAddForward.
-        inOrder.verify(mBpfCoordinator).addUpstreamNameToLookupTable(UPSTREAM_IFINDEX2,
+        inOrder.verify(mBpfCoordinator).maybeAddUpstreamToLookupTable(UPSTREAM_IFINDEX2,
                 UPSTREAM_IFACE2);
         inOrder.verify(mBpfCoordinator).maybeAttachProgram(IFACE_NAME, UPSTREAM_IFACE2);
         inOrder.verify(mNetd).tetherAddForward(IFACE_NAME, UPSTREAM_IFACE2);
@@ -606,7 +617,7 @@
 
         // Add the forwarding pair <IFACE_NAME, UPSTREAM_IFACE2> and expect that failed on
         // ipfwdAddInterfaceForward.
-        inOrder.verify(mBpfCoordinator).addUpstreamNameToLookupTable(UPSTREAM_IFINDEX2,
+        inOrder.verify(mBpfCoordinator).maybeAddUpstreamToLookupTable(UPSTREAM_IFINDEX2,
                 UPSTREAM_IFACE2);
         inOrder.verify(mBpfCoordinator).maybeAttachProgram(IFACE_NAME, UPSTREAM_IFACE2);
         inOrder.verify(mNetd).tetherAddForward(IFACE_NAME, UPSTREAM_IFACE2);
@@ -627,7 +638,15 @@
         inOrder.verify(mBpfCoordinator).maybeDetachProgram(IFACE_NAME, UPSTREAM_IFACE);
         inOrder.verify(mNetd).ipfwdRemoveInterfaceForward(IFACE_NAME, UPSTREAM_IFACE);
         inOrder.verify(mNetd).tetherRemoveForward(IFACE_NAME, UPSTREAM_IFACE);
-        inOrder.verify(mBpfCoordinator).tetherOffloadRuleClear(mIpServer);
+        inOrder.verify(mBpfCoordinator).updateAllIpv6Rules(
+                mIpServer, TEST_IFACE_PARAMS, NO_UPSTREAM);
+        if (!mBpfDeps.isAtLeastS()) {
+            inOrder.verify(mNetd).tetherOffloadGetAndClearStats(UPSTREAM_IFINDEX);
+        }
+        // When tethering stops, upstream interface is set to zero and thus clearing all upstream
+        // rules. Downstream rules are needed to be cleared explicitly by calling
+        // BpfCoordinator#clearAllIpv6Rules in TetheredState#exit.
+        inOrder.verify(mBpfCoordinator).clearAllIpv6Rules(mIpServer);
         inOrder.verify(mNetd).tetherApplyDnsInterfaces();
         inOrder.verify(mNetd).tetherInterfaceRemove(IFACE_NAME);
         inOrder.verify(mNetd).networkRemoveInterface(INetd.LOCAL_NET_ID, IFACE_NAME);
@@ -1064,13 +1083,12 @@
         recvNewNeigh(notMyIfindex, neighA, NUD_REACHABLE, macA);
         verifyNoMoreInteractions(mBpfCoordinator, mNetd, mBpfDownstream6Map, mBpfUpstream6Map);
 
-        // Events on this interface are received and sent to netd.
+        // Events on this interface are received and sent to BpfCoordinator.
         recvNewNeigh(myIfindex, neighA, NUD_REACHABLE, macA);
         verify(mBpfCoordinator).addIpv6DownstreamRule(
                 mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neighA, macA));
         verifyTetherOffloadRuleAdd(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighA, macA);
-        verifyStartUpstreamIpv6Forwarding(null, UPSTREAM_IFINDEX);
         resetNetdBpfMapAndCoordinator();
 
         recvNewNeigh(myIfindex, neighB, NUD_REACHABLE, macB);
@@ -1078,7 +1096,6 @@
                 mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neighB, macB));
         verifyTetherOffloadRuleAdd(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighB, macB);
-        verifyNoUpstreamIpv6ForwardingChange(null);
         resetNetdBpfMapAndCoordinator();
 
         // Link-local and multicast neighbors are ignored.
@@ -1094,7 +1111,6 @@
                 mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neighA, macNull));
         verifyTetherOffloadRuleRemove(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighA, macNull);
-        verifyNoUpstreamIpv6ForwardingChange(null);
         resetNetdBpfMapAndCoordinator();
 
         // A neighbor that is deleted causes the rule to be removed.
@@ -1103,12 +1119,10 @@
                 mIpServer,  makeDownstreamRule(UPSTREAM_IFINDEX, neighB, macNull));
         verifyTetherOffloadRuleRemove(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighB, macNull);
-        verifyStopUpstreamIpv6Forwarding(null);
         resetNetdBpfMapAndCoordinator();
 
         // Upstream changes result in updating the rules.
         recvNewNeigh(myIfindex, neighA, NUD_REACHABLE, macA);
-        verifyStartUpstreamIpv6Forwarding(null, UPSTREAM_IFINDEX);
         recvNewNeigh(myIfindex, neighB, NUD_REACHABLE, macB);
         resetNetdBpfMapAndCoordinator();
 
@@ -1116,89 +1130,100 @@
         LinkProperties lp = new LinkProperties();
         lp.setInterfaceName(UPSTREAM_IFACE2);
         dispatchTetherConnectionChanged(UPSTREAM_IFACE2, lp, -1);
-        verify(mBpfCoordinator).tetherOffloadRuleUpdate(mIpServer, UPSTREAM_IFINDEX2);
+        verify(mBpfCoordinator).updateAllIpv6Rules(mIpServer, TEST_IFACE_PARAMS, UPSTREAM_IFINDEX2);
         verifyTetherOffloadRuleRemove(inOrder,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighA, macA);
         verifyTetherOffloadRuleRemove(inOrder,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighB, macB);
         verifyStopUpstreamIpv6Forwarding(inOrder);
-        verifyTetherOffloadRuleAdd(inOrder,
-                UPSTREAM_IFINDEX2, UPSTREAM_IFACE_PARAMS2.macAddr, neighA, macA);
         verifyStartUpstreamIpv6Forwarding(inOrder, UPSTREAM_IFINDEX2);
         verifyTetherOffloadRuleAdd(inOrder,
+                UPSTREAM_IFINDEX2, UPSTREAM_IFACE_PARAMS2.macAddr, neighA, macA);
+        verifyTetherOffloadRuleAdd(inOrder,
                 UPSTREAM_IFINDEX2, UPSTREAM_IFACE_PARAMS2.macAddr, neighB, macB);
-        verifyNoUpstreamIpv6ForwardingChange(inOrder);
         resetNetdBpfMapAndCoordinator();
 
         // When the upstream is lost, rules are removed.
         dispatchTetherConnectionChanged(null, null, 0);
-        // Clear function is called two times by:
+        // Upstream clear function is called two times by:
         // - processMessage CMD_TETHER_CONNECTION_CHANGED for the upstream is lost.
         // - processMessage CMD_IPV6_TETHER_UPDATE for the IPv6 upstream is lost.
         // See dispatchTetherConnectionChanged.
-        verify(mBpfCoordinator, times(2)).tetherOffloadRuleClear(mIpServer);
+        verify(mBpfCoordinator, times(2)).updateAllIpv6Rules(
+                mIpServer, TEST_IFACE_PARAMS, NO_UPSTREAM);
+        verifyStopUpstreamIpv6Forwarding(inOrder);
         verifyTetherOffloadRuleRemove(null,
                 UPSTREAM_IFINDEX2, UPSTREAM_IFACE_PARAMS2.macAddr, neighA, macA);
         verifyTetherOffloadRuleRemove(null,
                 UPSTREAM_IFINDEX2, UPSTREAM_IFACE_PARAMS2.macAddr, neighB, macB);
-        verifyStopUpstreamIpv6Forwarding(inOrder);
+        // Upstream lost doesn't clear the downstream rules from BpfCoordinator.
+        // Do that here.
+        recvDelNeigh(myIfindex, neighA, NUD_STALE, macA);
+        recvDelNeigh(myIfindex, neighB, NUD_STALE, macB);
+        verify(mBpfCoordinator).removeIpv6DownstreamRule(
+                mIpServer,  makeDownstreamRule(NO_UPSTREAM, neighA, macNull));
+        verify(mBpfCoordinator).removeIpv6DownstreamRule(
+                mIpServer,  makeDownstreamRule(NO_UPSTREAM, neighB, macNull));
         resetNetdBpfMapAndCoordinator();
 
-        // If the upstream is IPv4-only, no rules are added.
+        // If the upstream is IPv4-only, no IPv6 rules are added to BPF map.
         dispatchTetherConnectionChanged(UPSTREAM_IFACE);
         resetNetdBpfMapAndCoordinator();
         recvNewNeigh(myIfindex, neighA, NUD_REACHABLE, macA);
-        // Clear function is called by #updateIpv6ForwardingRules for the IPv6 upstream is lost.
-        verify(mBpfCoordinator).tetherOffloadRuleClear(mIpServer);
         verifyNoUpstreamIpv6ForwardingChange(null);
+        // Downstream rules are only added to BpfCoordinator but not BPF map.
+        verify(mBpfCoordinator).addIpv6DownstreamRule(
+                mIpServer, makeDownstreamRule(NO_UPSTREAM, neighA, macA));
+        verifyNeverTetherOffloadRuleAdd();
         verifyNoMoreInteractions(mBpfCoordinator, mNetd, mBpfDownstream6Map, mBpfUpstream6Map);
 
-        // Rules can be added again once upstream IPv6 connectivity is available.
+        // Rules can be added again once upstream IPv6 connectivity is available. The existing rules
+        // with an upstream of NO_UPSTREAM are reapplied.
         lp.setInterfaceName(UPSTREAM_IFACE);
         dispatchTetherConnectionChanged(UPSTREAM_IFACE, lp, -1);
+        verifyStartUpstreamIpv6Forwarding(null, UPSTREAM_IFINDEX);
+        verify(mBpfCoordinator).addIpv6DownstreamRule(
+                mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neighA, macA));
+        verifyTetherOffloadRuleAdd(null,
+                UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighA, macA);
         recvNewNeigh(myIfindex, neighB, NUD_REACHABLE, macB);
         verify(mBpfCoordinator).addIpv6DownstreamRule(
                 mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neighB, macB));
         verifyTetherOffloadRuleAdd(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighB, macB);
-        verifyStartUpstreamIpv6Forwarding(null, UPSTREAM_IFINDEX);
-        verify(mBpfCoordinator, never()).addIpv6DownstreamRule(
-                mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neighA, macA));
-        verifyNeverTetherOffloadRuleAdd(
-                UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighA, macA);
 
         // If upstream IPv6 connectivity is lost, rules are removed.
         resetNetdBpfMapAndCoordinator();
         dispatchTetherConnectionChanged(UPSTREAM_IFACE, null, 0);
-        verify(mBpfCoordinator).tetherOffloadRuleClear(mIpServer);
+        verify(mBpfCoordinator).updateAllIpv6Rules(mIpServer, TEST_IFACE_PARAMS, NO_UPSTREAM);
         verifyTetherOffloadRuleRemove(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighB, macB);
         verifyStopUpstreamIpv6Forwarding(null);
 
-        // When the interface goes down, rules are removed.
+        // When upstream IPv6 connectivity comes back, upstream rules are added and downstream rules
+        // are reapplied.
         lp.setInterfaceName(UPSTREAM_IFACE);
         dispatchTetherConnectionChanged(UPSTREAM_IFACE, lp, -1);
-        recvNewNeigh(myIfindex, neighA, NUD_REACHABLE, macA);
-        recvNewNeigh(myIfindex, neighB, NUD_REACHABLE, macB);
+        verifyStartUpstreamIpv6Forwarding(null, UPSTREAM_IFINDEX);
         verify(mBpfCoordinator).addIpv6DownstreamRule(
                 mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neighA, macA));
         verifyTetherOffloadRuleAdd(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighA, macA);
-        verifyStartUpstreamIpv6Forwarding(null, UPSTREAM_IFINDEX);
         verify(mBpfCoordinator).addIpv6DownstreamRule(
                 mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neighB, macB));
         verifyTetherOffloadRuleAdd(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighB, macB);
         resetNetdBpfMapAndCoordinator();
 
+        // When the downstream interface goes down, rules are removed.
         mIpServer.stop();
         mLooper.dispatchAll();
-        verify(mBpfCoordinator).tetherOffloadRuleClear(mIpServer);
+        verify(mBpfCoordinator).clearAllIpv6Rules(mIpServer);
+        verifyStopUpstreamIpv6Forwarding(null);
         verifyTetherOffloadRuleRemove(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighA, macA);
         verifyTetherOffloadRuleRemove(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neighB, macB);
-        verifyStopUpstreamIpv6Forwarding(null);
         verify(mIpNeighborMonitor).stop();
         resetNetdBpfMapAndCoordinator();
     }
@@ -1228,7 +1253,6 @@
                 mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neigh, macA));
         verifyTetherOffloadRuleAdd(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neigh, macA);
-        verifyStartUpstreamIpv6Forwarding(null, UPSTREAM_IFINDEX);
         resetNetdBpfMapAndCoordinator();
 
         recvDelNeigh(myIfindex, neigh, NUD_STALE, macA);
@@ -1236,7 +1260,14 @@
                 mIpServer, makeDownstreamRule(UPSTREAM_IFINDEX, neigh, macNull));
         verifyTetherOffloadRuleRemove(null,
                 UPSTREAM_IFINDEX, UPSTREAM_IFACE_PARAMS.macAddr, neigh, macNull);
-        verifyStopUpstreamIpv6Forwarding(null);
+        resetNetdBpfMapAndCoordinator();
+
+        // Upstream IPv6 connectivity change causes upstream rules change.
+        LinkProperties lp2 = new LinkProperties();
+        lp2.setInterfaceName(UPSTREAM_IFACE2);
+        dispatchTetherConnectionChanged(UPSTREAM_IFACE2, lp2, 0);
+        verify(mBpfCoordinator).updateAllIpv6Rules(mIpServer, TEST_IFACE_PARAMS, UPSTREAM_IFINDEX2);
+        verifyStartUpstreamIpv6Forwarding(null, UPSTREAM_IFINDEX2);
         resetNetdBpfMapAndCoordinator();
 
         // [2] Disable BPF offload.
@@ -1247,12 +1278,16 @@
 
         recvNewNeigh(myIfindex, neigh, NUD_REACHABLE, macA);
         verifyNeverTetherOffloadRuleAdd();
-        verifyNoUpstreamIpv6ForwardingChange(null);
         resetNetdBpfMapAndCoordinator();
 
         recvDelNeigh(myIfindex, neigh, NUD_STALE, macA);
         verifyNeverTetherOffloadRuleRemove();
+        resetNetdBpfMapAndCoordinator();
+
+        // Upstream IPv6 connectivity change doesn't cause the rule to be added or removed.
+        dispatchTetherConnectionChanged(UPSTREAM_IFACE2, lp2, 0);
         verifyNoUpstreamIpv6ForwardingChange(null);
+        verifyNeverTetherOffloadRuleRemove();
         resetNetdBpfMapAndCoordinator();
     }
 
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 04eb430..601f587 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/BpfCoordinatorTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/BpfCoordinatorTest.java
@@ -169,6 +169,8 @@
     private static final String UPSTREAM_IFACE = "rmnet0";
     private static final String UPSTREAM_XLAT_IFACE = "v4-rmnet0";
     private static final String UPSTREAM_IFACE2 = "wlan0";
+    private static final String DOWNSTREAM_IFACE = "downstream1";
+    private static final String DOWNSTREAM_IFACE2 = "downstream2";
 
     private static final MacAddress DOWNSTREAM_MAC = MacAddress.fromString("12:34:56:78:90:ab");
     private static final MacAddress DOWNSTREAM_MAC2 = MacAddress.fromString("ab:90:78:56:34:12");
@@ -213,6 +215,11 @@
     private static final InterfaceParams UPSTREAM_IFACE_PARAMS2 = new InterfaceParams(
             UPSTREAM_IFACE2, UPSTREAM_IFINDEX2, MacAddress.fromString("44:55:66:00:00:0c"),
             NetworkStackConstants.ETHER_MTU);
+    private static final InterfaceParams DOWNSTREAM_IFACE_PARAMS = new InterfaceParams(
+            DOWNSTREAM_IFACE, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC, NetworkStackConstants.ETHER_MTU);
+    private static final InterfaceParams DOWNSTREAM_IFACE_PARAMS2 = new InterfaceParams(
+            DOWNSTREAM_IFACE2, DOWNSTREAM_IFINDEX2, DOWNSTREAM_MAC2,
+            NetworkStackConstants.ETHER_MTU);
 
     private static final Map<Integer, UpstreamInformation> UPSTREAM_INFORMATIONS = Map.of(
             UPSTREAM_IFINDEX, new UpstreamInformation(UPSTREAM_IFACE_PARAMS,
@@ -640,24 +647,6 @@
         }
     }
 
-    private void verifyStartUpstreamIpv6Forwarding(@Nullable InOrder inOrder, int downstreamIfIndex,
-            MacAddress downstreamMac, int upstreamIfindex) throws Exception {
-        if (!mDeps.isAtLeastS()) return;
-        final TetherUpstream6Key key = new TetherUpstream6Key(downstreamIfIndex, downstreamMac, 0);
-        final Tether6Value value = new Tether6Value(upstreamIfindex,
-                MacAddress.ALL_ZEROS_ADDRESS, MacAddress.ALL_ZEROS_ADDRESS,
-                ETH_P_IPV6, NetworkStackConstants.ETHER_MTU);
-        verifyWithOrder(inOrder, mBpfUpstream6Map).insertEntry(key, value);
-    }
-
-    private void verifyStopUpstreamIpv6Forwarding(@Nullable InOrder inOrder, int downstreamIfIndex,
-            MacAddress downstreamMac)
-            throws Exception {
-        if (!mDeps.isAtLeastS()) return;
-        final TetherUpstream6Key key = new TetherUpstream6Key(downstreamIfIndex, downstreamMac, 0);
-        verifyWithOrder(inOrder, mBpfUpstream6Map).deleteEntry(key);
-    }
-
     private void verifyNoUpstreamIpv6ForwardingChange(@Nullable InOrder inOrder) throws Exception {
         if (!mDeps.isAtLeastS()) return;
         if (inOrder != null) {
@@ -671,6 +660,13 @@
         }
     }
 
+    private void verifyAddUpstreamRule(@Nullable InOrder inOrder,
+            @NonNull Ipv6UpstreamRule rule) throws Exception {
+        if (!mDeps.isAtLeastS()) return;
+        verifyWithOrder(inOrder, mBpfUpstream6Map).insertEntry(
+                rule.makeTetherUpstream6Key(), rule.makeTether6Value());
+    }
+
     private void verifyAddDownstreamRule(@Nullable InOrder inOrder,
             @NonNull Ipv6DownstreamRule rule) throws Exception {
         if (mDeps.isAtLeastS()) {
@@ -681,6 +677,11 @@
         }
     }
 
+    private void verifyNeverAddUpstreamRule() throws Exception {
+        if (!mDeps.isAtLeastS()) return;
+        verify(mBpfUpstream6Map, never()).insertEntry(any(), any());
+    }
+
     private void verifyNeverAddDownstreamRule() throws Exception {
         if (mDeps.isAtLeastS()) {
             verify(mBpfDownstream6Map, never()).updateEntry(any(), any());
@@ -689,6 +690,13 @@
         }
     }
 
+    private void verifyRemoveUpstreamRule(@Nullable InOrder inOrder,
+            @NonNull final Ipv6UpstreamRule rule) throws Exception {
+        if (!mDeps.isAtLeastS()) return;
+        verifyWithOrder(inOrder, mBpfUpstream6Map).deleteEntry(
+                rule.makeTetherUpstream6Key());
+    }
+
     private void verifyRemoveDownstreamRule(@Nullable InOrder inOrder,
             @NonNull final Ipv6DownstreamRule rule) throws Exception {
         if (mDeps.isAtLeastS()) {
@@ -699,6 +707,11 @@
         }
     }
 
+    private void verifyNeverRemoveUpstreamRule() throws Exception {
+        if (!mDeps.isAtLeastS()) return;
+        verify(mBpfUpstream6Map, never()).deleteEntry(any());
+    }
+
     private void verifyNeverRemoveDownstreamRule() throws Exception {
         if (mDeps.isAtLeastS()) {
             verify(mBpfDownstream6Map, never()).deleteEntry(any());
@@ -763,24 +776,31 @@
 
         final String mobileIface = "rmnet_data0";
         final Integer mobileIfIndex = 100;
-        coordinator.addUpstreamNameToLookupTable(mobileIfIndex, mobileIface);
+        coordinator.maybeAddUpstreamToLookupTable(mobileIfIndex, mobileIface);
 
         // InOrder is required because mBpfStatsMap may be accessed by both
         // BpfCoordinator#tetherOffloadRuleAdd and BpfCoordinator#tetherOffloadGetAndClearStats.
         // The #verifyTetherOffloadGetAndClearStats can't distinguish who has ever called
         // mBpfStatsMap#getValue and get a wrong calling count which counts all.
-        final InOrder inOrder = inOrder(mNetd, mBpfDownstream6Map, mBpfLimitMap, mBpfStatsMap);
-        final Ipv6DownstreamRule rule = buildTestDownstreamRule(mobileIfIndex, NEIGH_A, MAC_A);
-        coordinator.addIpv6DownstreamRule(mIpServer, rule);
-        verifyAddDownstreamRule(inOrder, rule);
+        final InOrder inOrder = inOrder(mNetd, mBpfUpstream6Map, mBpfDownstream6Map, mBpfLimitMap,
+                mBpfStatsMap);
+        final Ipv6UpstreamRule upstreamRule = buildTestUpstreamRule(
+                mobileIfIndex, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC);
+        final Ipv6DownstreamRule downstreamRule = buildTestDownstreamRule(
+                mobileIfIndex, NEIGH_A, MAC_A);
+        coordinator.updateAllIpv6Rules(mIpServer, DOWNSTREAM_IFACE_PARAMS, mobileIfIndex);
         verifyTetherOffloadSetInterfaceQuota(inOrder, mobileIfIndex, QUOTA_UNLIMITED,
                 true /* isInit */);
+        verifyAddUpstreamRule(inOrder, upstreamRule);
+        coordinator.addIpv6DownstreamRule(mIpServer, downstreamRule);
+        verifyAddDownstreamRule(inOrder, downstreamRule);
 
-        // Removing the last rule on current upstream immediately sends the cleanup stuff to netd.
+        // Removing the last rule on current upstream immediately sends the cleanup stuff to BPF.
         updateStatsEntryForTetherOffloadGetAndClearStats(
                 buildTestTetherStatsParcel(mobileIfIndex, 0, 0, 0, 0));
-        coordinator.removeIpv6DownstreamRule(mIpServer, rule);
-        verifyRemoveDownstreamRule(inOrder, rule);
+        coordinator.updateAllIpv6Rules(mIpServer, DOWNSTREAM_IFACE_PARAMS, 0);
+        verifyRemoveDownstreamRule(inOrder, downstreamRule);
+        verifyRemoveUpstreamRule(inOrder, upstreamRule);
         verifyTetherOffloadGetAndClearStats(inOrder, mobileIfIndex);
     }
 
@@ -806,7 +826,7 @@
 
         final String mobileIface = "rmnet_data0";
         final Integer mobileIfIndex = 100;
-        coordinator.addUpstreamNameToLookupTable(mobileIfIndex, mobileIface);
+        coordinator.maybeAddUpstreamToLookupTable(mobileIfIndex, mobileIface);
 
         updateStatsEntriesAndWaitForUpdate(new TetherStatsParcel[] {
                 buildTestTetherStatsParcel(mobileIfIndex, 1000, 100, 2000, 200)});
@@ -847,8 +867,8 @@
 
         // Add interface name to lookup table. In realistic case, the upstream interface name will
         // be added by IpServer when IpServer has received with a new IPv6 upstream update event.
-        coordinator.addUpstreamNameToLookupTable(wlanIfIndex, wlanIface);
-        coordinator.addUpstreamNameToLookupTable(mobileIfIndex, mobileIface);
+        coordinator.maybeAddUpstreamToLookupTable(wlanIfIndex, wlanIface);
+        coordinator.maybeAddUpstreamToLookupTable(mobileIfIndex, mobileIface);
 
         // [1] Both interface stats are changed.
         // Setup the tether stats of wlan and mobile interface. Note that move forward the time of
@@ -912,7 +932,7 @@
 
         final String mobileIface = "rmnet_data0";
         final Integer mobileIfIndex = 100;
-        coordinator.addUpstreamNameToLookupTable(mobileIfIndex, mobileIface);
+        coordinator.maybeAddUpstreamToLookupTable(mobileIfIndex, mobileIface);
 
         // Verify that set quota to 0 will immediately triggers a callback.
         mTetherStatsProvider.onSetAlert(0);
@@ -978,9 +998,10 @@
     }
 
     @NonNull
-    private static Ipv6UpstreamRule buildTestUpstreamRule(int upstreamIfindex) {
-        return new Ipv6UpstreamRule(upstreamIfindex, DOWNSTREAM_IFINDEX,
-                IPV6_ZERO_PREFIX, DOWNSTREAM_MAC, MacAddress.ALL_ZEROS_ADDRESS,
+    private static Ipv6UpstreamRule buildTestUpstreamRule(
+            int upstreamIfindex, int downstreamIfindex, @NonNull MacAddress inDstMac) {
+        return new Ipv6UpstreamRule(upstreamIfindex, downstreamIfindex,
+                IPV6_ZERO_PREFIX, inDstMac, MacAddress.ALL_ZEROS_ADDRESS,
                 MacAddress.ALL_ZEROS_ADDRESS);
     }
 
@@ -1027,17 +1048,18 @@
 
         final String mobileIface = "rmnet_data0";
         final int mobileIfIndex = 100;
-        coordinator.addUpstreamNameToLookupTable(mobileIfIndex, mobileIface);
+        coordinator.maybeAddUpstreamToLookupTable(mobileIfIndex, mobileIface);
 
         // [1] Default limit.
         // Set the unlimited quota as default if the service has never applied a data limit for a
         // given upstream. Note that the data limit only be applied on an upstream which has rules.
-        final Ipv6DownstreamRule rule = buildTestDownstreamRule(mobileIfIndex, NEIGH_A, MAC_A);
-        final InOrder inOrder = inOrder(mNetd, mBpfDownstream6Map, mBpfLimitMap, mBpfStatsMap);
-        coordinator.addIpv6DownstreamRule(mIpServer, rule);
-        verifyAddDownstreamRule(inOrder, rule);
+        final Ipv6UpstreamRule rule = buildTestUpstreamRule(
+                mobileIfIndex, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC);
+        final InOrder inOrder = inOrder(mNetd, mBpfUpstream6Map, mBpfLimitMap, mBpfStatsMap);
+        coordinator.updateAllIpv6Rules(mIpServer, DOWNSTREAM_IFACE_PARAMS, mobileIfIndex);
         verifyTetherOffloadSetInterfaceQuota(inOrder, mobileIfIndex, QUOTA_UNLIMITED,
                 true /* isInit */);
+        verifyAddUpstreamRule(inOrder, rule);
         inOrder.verifyNoMoreInteractions();
 
         // [2] Specific limit.
@@ -1062,7 +1084,6 @@
         }
     }
 
-    // TODO: Test the case in which the rules are changed from different IpServer objects.
     @Test
     public void testSetDataLimitOnRule6Change() throws Exception {
         setupFunctioningNetdInterface();
@@ -1071,39 +1092,41 @@
 
         final String mobileIface = "rmnet_data0";
         final int mobileIfIndex = 100;
-        coordinator.addUpstreamNameToLookupTable(mobileIfIndex, mobileIface);
+        coordinator.maybeAddUpstreamToLookupTable(mobileIfIndex, mobileIface);
 
         // Applying a data limit to the current upstream does not take any immediate action.
         // The data limit could be only set on an upstream which has rules.
         final long limit = 12345;
-        final InOrder inOrder = inOrder(mNetd, mBpfDownstream6Map, mBpfLimitMap, mBpfStatsMap);
+        final InOrder inOrder = inOrder(mNetd, mBpfUpstream6Map, mBpfLimitMap, mBpfStatsMap);
         mTetherStatsProvider.onSetLimit(mobileIface, limit);
         waitForIdle();
         verifyNeverTetherOffloadSetInterfaceQuota(inOrder);
 
-        // Adding the first rule on current upstream immediately sends the quota to netd.
-        final Ipv6DownstreamRule ruleA = buildTestDownstreamRule(mobileIfIndex, NEIGH_A, MAC_A);
-        coordinator.addIpv6DownstreamRule(mIpServer, ruleA);
-        verifyAddDownstreamRule(inOrder, ruleA);
+        // Adding the first rule on current upstream immediately sends the quota to BPF.
+        final Ipv6UpstreamRule ruleA = buildTestUpstreamRule(
+                mobileIfIndex, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC);
+        coordinator.updateAllIpv6Rules(mIpServer, DOWNSTREAM_IFACE_PARAMS, mobileIfIndex);
         verifyTetherOffloadSetInterfaceQuota(inOrder, mobileIfIndex, limit, true /* isInit */);
+        verifyAddUpstreamRule(inOrder, ruleA);
         inOrder.verifyNoMoreInteractions();
 
-        // Adding the second rule on current upstream does not send the quota to netd.
-        final Ipv6DownstreamRule ruleB = buildTestDownstreamRule(mobileIfIndex, NEIGH_B, MAC_B);
-        coordinator.addIpv6DownstreamRule(mIpServer, ruleB);
-        verifyAddDownstreamRule(inOrder, ruleB);
+        // Adding the second rule on current upstream does not send the quota to BPF.
+        final Ipv6UpstreamRule ruleB = buildTestUpstreamRule(
+                mobileIfIndex, DOWNSTREAM_IFINDEX2, DOWNSTREAM_MAC2);
+        coordinator.updateAllIpv6Rules(mIpServer2, DOWNSTREAM_IFACE_PARAMS2, mobileIfIndex);
+        verifyAddUpstreamRule(inOrder, ruleB);
         verifyNeverTetherOffloadSetInterfaceQuota(inOrder);
 
-        // Removing the second rule on current upstream does not send the quota to netd.
-        coordinator.removeIpv6DownstreamRule(mIpServer, ruleB);
-        verifyRemoveDownstreamRule(inOrder, ruleB);
+        // Removing the second rule on current upstream does not send the quota to BPF.
+        coordinator.updateAllIpv6Rules(mIpServer2, DOWNSTREAM_IFACE_PARAMS2, 0);
+        verifyRemoveUpstreamRule(inOrder, ruleB);
         verifyNeverTetherOffloadSetInterfaceQuota(inOrder);
 
-        // Removing the last rule on current upstream immediately sends the cleanup stuff to netd.
+        // Removing the last rule on current upstream immediately sends the cleanup stuff to BPF.
         updateStatsEntryForTetherOffloadGetAndClearStats(
                 buildTestTetherStatsParcel(mobileIfIndex, 0, 0, 0, 0));
-        coordinator.removeIpv6DownstreamRule(mIpServer, ruleA);
-        verifyRemoveDownstreamRule(inOrder, ruleA);
+        coordinator.updateAllIpv6Rules(mIpServer, DOWNSTREAM_IFACE_PARAMS, 0);
+        verifyRemoveUpstreamRule(inOrder, ruleA);
         verifyTetherOffloadGetAndClearStats(inOrder, mobileIfIndex);
         inOrder.verifyNoMoreInteractions();
     }
@@ -1118,8 +1141,8 @@
         final String mobileIface = "rmnet_data0";
         final Integer ethIfIndex = 100;
         final Integer mobileIfIndex = 101;
-        coordinator.addUpstreamNameToLookupTable(ethIfIndex, ethIface);
-        coordinator.addUpstreamNameToLookupTable(mobileIfIndex, mobileIface);
+        coordinator.maybeAddUpstreamToLookupTable(ethIfIndex, ethIface);
+        coordinator.maybeAddUpstreamToLookupTable(mobileIfIndex, mobileIface);
 
         final InOrder inOrder = inOrder(mNetd, mBpfDownstream6Map, mBpfUpstream6Map, mBpfLimitMap,
                 mBpfStatsMap);
@@ -1133,20 +1156,25 @@
 
         // [1] Adding rules on the upstream Ethernet.
         // Note that the default data limit is applied after the first rule is added.
+        final Ipv6UpstreamRule ethernetUpstreamRule = buildTestUpstreamRule(
+                ethIfIndex, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC);
         final Ipv6DownstreamRule ethernetRuleA = buildTestDownstreamRule(
                 ethIfIndex, NEIGH_A, MAC_A);
         final Ipv6DownstreamRule ethernetRuleB = buildTestDownstreamRule(
                 ethIfIndex, NEIGH_B, MAC_B);
 
-        coordinator.addIpv6DownstreamRule(mIpServer, ethernetRuleA);
-        verifyAddDownstreamRule(inOrder, ethernetRuleA);
+        coordinator.updateAllIpv6Rules(mIpServer, DOWNSTREAM_IFACE_PARAMS, ethIfIndex);
         verifyTetherOffloadSetInterfaceQuota(inOrder, ethIfIndex, QUOTA_UNLIMITED,
                 true /* isInit */);
-        verifyStartUpstreamIpv6Forwarding(inOrder, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC, ethIfIndex);
+        verifyAddUpstreamRule(inOrder, ethernetUpstreamRule);
+        coordinator.addIpv6DownstreamRule(mIpServer, ethernetRuleA);
+        verifyAddDownstreamRule(inOrder, ethernetRuleA);
         coordinator.addIpv6DownstreamRule(mIpServer, ethernetRuleB);
         verifyAddDownstreamRule(inOrder, ethernetRuleB);
 
         // [2] Update the existing rules from Ethernet to cellular.
+        final Ipv6UpstreamRule mobileUpstreamRule = buildTestUpstreamRule(
+                mobileIfIndex, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC);
         final Ipv6DownstreamRule mobileRuleA = buildTestDownstreamRule(
                 mobileIfIndex, NEIGH_A, MAC_A);
         final Ipv6DownstreamRule mobileRuleB = buildTestDownstreamRule(
@@ -1156,25 +1184,24 @@
 
         // Update the existing rules for upstream changes. The rules are removed and re-added one
         // by one for updating upstream interface index by #tetherOffloadRuleUpdate.
-        coordinator.tetherOffloadRuleUpdate(mIpServer, mobileIfIndex);
+        coordinator.updateAllIpv6Rules(mIpServer, DOWNSTREAM_IFACE_PARAMS, mobileIfIndex);
         verifyRemoveDownstreamRule(inOrder, ethernetRuleA);
         verifyRemoveDownstreamRule(inOrder, ethernetRuleB);
-        verifyStopUpstreamIpv6Forwarding(inOrder, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC);
+        verifyRemoveUpstreamRule(inOrder, ethernetUpstreamRule);
         verifyTetherOffloadGetAndClearStats(inOrder, ethIfIndex);
-        verifyAddDownstreamRule(inOrder, mobileRuleA);
         verifyTetherOffloadSetInterfaceQuota(inOrder, mobileIfIndex, QUOTA_UNLIMITED,
                 true /* isInit */);
-        verifyStartUpstreamIpv6Forwarding(inOrder, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC,
-                mobileIfIndex);
+        verifyAddUpstreamRule(inOrder, mobileUpstreamRule);
+        verifyAddDownstreamRule(inOrder, mobileRuleA);
         verifyAddDownstreamRule(inOrder, mobileRuleB);
 
         // [3] Clear all rules for a given IpServer.
         updateStatsEntryForTetherOffloadGetAndClearStats(
                 buildTestTetherStatsParcel(mobileIfIndex, 50, 60, 70, 80));
-        coordinator.tetherOffloadRuleClear(mIpServer);
+        coordinator.clearAllIpv6Rules(mIpServer);
         verifyRemoveDownstreamRule(inOrder, mobileRuleA);
         verifyRemoveDownstreamRule(inOrder, mobileRuleB);
-        verifyStopUpstreamIpv6Forwarding(inOrder, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC);
+        verifyRemoveUpstreamRule(inOrder, mobileUpstreamRule);
         verifyTetherOffloadGetAndClearStats(inOrder, mobileIfIndex);
 
         // [4] Force pushing stats update to verify that the last diff of stats is reported on all
@@ -1204,7 +1231,7 @@
         // The interface name lookup table can't be added.
         final String iface = "rmnet_data0";
         final Integer ifIndex = 100;
-        coordinator.addUpstreamNameToLookupTable(ifIndex, iface);
+        coordinator.maybeAddUpstreamToLookupTable(ifIndex, iface);
         assertEquals(0, coordinator.getInterfaceNamesForTesting().size());
 
         // The rule can't be added.
@@ -1230,14 +1257,15 @@
         assertEquals(1, rules.size());
 
         // The rule can't be cleared.
-        coordinator.tetherOffloadRuleClear(mIpServer);
+        coordinator.clearAllIpv6Rules(mIpServer);
         verifyNeverRemoveDownstreamRule();
         rules = coordinator.getIpv6DownstreamRulesForTesting().get(mIpServer);
         assertNotNull(rules);
         assertEquals(1, rules.size());
 
         // The rule can't be updated.
-        coordinator.tetherOffloadRuleUpdate(mIpServer, rule.upstreamIfindex + 1 /* new */);
+        coordinator.updateAllIpv6Rules(
+                mIpServer, DOWNSTREAM_IFACE_PARAMS, rule.upstreamIfindex + 1 /* new */);
         verifyNeverRemoveDownstreamRule();
         verifyNeverAddDownstreamRule();
         rules = coordinator.getIpv6DownstreamRulesForTesting().get(mIpServer);
@@ -1552,7 +1580,7 @@
         // interface index.
         doReturn(upstreamInfo.interfaceParams).when(mDeps).getInterfaceParams(
                 upstreamInfo.interfaceParams.name);
-        coordinator.addUpstreamNameToLookupTable(upstreamInfo.interfaceParams.index,
+        coordinator.maybeAddUpstreamToLookupTable(upstreamInfo.interfaceParams.index,
                 upstreamInfo.interfaceParams.name);
 
         final LinkProperties lp = new LinkProperties();
@@ -1677,19 +1705,21 @@
     public void testAddDevMapRule6() throws Exception {
         final BpfCoordinator coordinator = makeBpfCoordinator();
 
-        coordinator.addUpstreamNameToLookupTable(UPSTREAM_IFINDEX, UPSTREAM_IFACE);
-        final Ipv6DownstreamRule ruleA = buildTestDownstreamRule(UPSTREAM_IFINDEX, NEIGH_A, MAC_A);
-        final Ipv6DownstreamRule ruleB = buildTestDownstreamRule(UPSTREAM_IFINDEX, NEIGH_B, MAC_B);
-
-        coordinator.addIpv6DownstreamRule(mIpServer, ruleA);
+        coordinator.maybeAddUpstreamToLookupTable(UPSTREAM_IFINDEX, UPSTREAM_IFACE);
+        coordinator.updateAllIpv6Rules(mIpServer, DOWNSTREAM_IFACE_PARAMS, UPSTREAM_IFINDEX);
         verify(mBpfDevMap).updateEntry(eq(new TetherDevKey(UPSTREAM_IFINDEX)),
                 eq(new TetherDevValue(UPSTREAM_IFINDEX)));
         verify(mBpfDevMap).updateEntry(eq(new TetherDevKey(DOWNSTREAM_IFINDEX)),
                 eq(new TetherDevValue(DOWNSTREAM_IFINDEX)));
         clearInvocations(mBpfDevMap);
 
-        coordinator.addIpv6DownstreamRule(mIpServer, ruleB);
-        verify(mBpfDevMap, never()).updateEntry(any(), any());
+        // Adding the second downstream, only the second downstream ifindex is added to DevMap,
+        // the existing upstream ifindex won't be added again.
+        coordinator.updateAllIpv6Rules(mIpServer2, DOWNSTREAM_IFACE_PARAMS2, UPSTREAM_IFINDEX);
+        verify(mBpfDevMap).updateEntry(eq(new TetherDevKey(DOWNSTREAM_IFINDEX2)),
+                eq(new TetherDevValue(DOWNSTREAM_IFINDEX2)));
+        verify(mBpfDevMap, never()).updateEntry(eq(new TetherDevKey(UPSTREAM_IFINDEX)),
+                eq(new TetherDevValue(UPSTREAM_IFINDEX)));
     }
 
     @Test
@@ -2153,7 +2183,8 @@
         assertEquals("upstreamIfindex: 1001, downstreamIfindex: 2001, address: 2001:db8::1, "
                 + "srcMac: 12:34:56:78:90:ab, dstMac: 00:00:00:00:00:0a",
                 downstreamRule.toString());
-        final Ipv6UpstreamRule upstreamRule = buildTestUpstreamRule(UPSTREAM_IFINDEX);
+        final Ipv6UpstreamRule upstreamRule = buildTestUpstreamRule(
+                UPSTREAM_IFINDEX, DOWNSTREAM_IFINDEX, DOWNSTREAM_MAC);
         assertEquals("upstreamIfindex: 1001, downstreamIfindex: 2001, sourcePrefix: ::/64, "
                 + "inDstMac: 12:34:56:78:90:ab, outSrcMac: 00:00:00:00:00:00, "
                 + "outDstMac: 00:00:00:00:00:00", upstreamRule.toString());
@@ -2221,7 +2252,7 @@
                         0L /* txPackets */, 0L /* txBytes */, 0L /* txErrors */));
 
         // dumpDevmap
-        coordinator.addUpstreamNameToLookupTable(UPSTREAM_IFINDEX, UPSTREAM_IFACE);
+        coordinator.maybeAddUpstreamToLookupTable(UPSTREAM_IFINDEX, UPSTREAM_IFACE);
         mBpfDevMap.insertEntry(
                 new TetherDevKey(UPSTREAM_IFINDEX),
                 new TetherDevValue(UPSTREAM_IFINDEX));
@@ -2390,7 +2421,7 @@
         // +-------+-------+-------+-------+-------+
 
         // [1] Mobile IPv4 only
-        coordinator.addUpstreamNameToLookupTable(UPSTREAM_IFINDEX, UPSTREAM_IFACE);
+        coordinator.maybeAddUpstreamToLookupTable(UPSTREAM_IFINDEX, UPSTREAM_IFACE);
         doReturn(UPSTREAM_IFACE_PARAMS).when(mDeps).getInterfaceParams(UPSTREAM_IFACE);
         final UpstreamNetworkState mobileIPv4UpstreamState = new UpstreamNetworkState(
                 buildUpstreamLinkProperties(UPSTREAM_IFACE,
@@ -2442,7 +2473,7 @@
         verifyIpv4Upstream(ipv4UpstreamIndices, interfaceNames);
 
         // Mobile IPv6 and xlat
-        // IpServer doesn't add xlat interface mapping via #addUpstreamNameToLookupTable on
+        // IpServer doesn't add xlat interface mapping via #maybeAddUpstreamToLookupTable on
         // S and T devices.
         coordinator.updateUpstreamNetworkState(mobile464xlatUpstreamState);
         // Upstream IPv4 address mapping is removed because xlat interface is not supported.
@@ -2457,7 +2488,7 @@
 
         // [6] Wifi IPv4 and IPv6
         // Expect that upstream index map is cleared because ether ip is not supported.
-        coordinator.addUpstreamNameToLookupTable(UPSTREAM_IFINDEX2, UPSTREAM_IFACE2);
+        coordinator.maybeAddUpstreamToLookupTable(UPSTREAM_IFINDEX2, UPSTREAM_IFACE2);
         doReturn(UPSTREAM_IFACE_PARAMS2).when(mDeps).getInterfaceParams(UPSTREAM_IFACE2);
         final UpstreamNetworkState wifiDualStackUpstreamState = new UpstreamNetworkState(
                 buildUpstreamLinkProperties(UPSTREAM_IFACE2,
diff --git a/bpf_progs/netd.c b/bpf_progs/netd.c
index 0054d4a..256dd6a 100644
--- a/bpf_progs/netd.c
+++ b/bpf_progs/netd.c
@@ -89,11 +89,11 @@
 DEFINE_BPF_MAP_RW_NETD(cookie_tag_map, HASH, uint64_t, UidTagValue, COOKIE_UID_MAP_SIZE)
 DEFINE_BPF_MAP_NO_NETD(uid_counterset_map, HASH, uint32_t, uint8_t, UID_COUNTERSET_MAP_SIZE)
 DEFINE_BPF_MAP_NO_NETD(app_uid_stats_map, HASH, uint32_t, StatsValue, APP_STATS_MAP_SIZE)
-DEFINE_BPF_MAP_RW_NETD(stats_map_A, HASH, StatsKey, StatsValue, STATS_MAP_SIZE)
+DEFINE_BPF_MAP_RO_NETD(stats_map_A, HASH, StatsKey, StatsValue, STATS_MAP_SIZE)
 DEFINE_BPF_MAP_RO_NETD(stats_map_B, HASH, StatsKey, StatsValue, STATS_MAP_SIZE)
 DEFINE_BPF_MAP_NO_NETD(iface_stats_map, HASH, uint32_t, StatsValue, IFACE_STATS_MAP_SIZE)
 DEFINE_BPF_MAP_NO_NETD(uid_owner_map, HASH, uint32_t, UidOwnerValue, UID_OWNER_MAP_SIZE)
-DEFINE_BPF_MAP_RW_NETD(uid_permission_map, HASH, uint32_t, uint8_t, UID_OWNER_MAP_SIZE)
+DEFINE_BPF_MAP_RO_NETD(uid_permission_map, HASH, uint32_t, uint8_t, UID_OWNER_MAP_SIZE)
 DEFINE_BPF_MAP_NO_NETD(ingress_discard_map, HASH, IngressDiscardKey, IngressDiscardValue,
                        INGRESS_DISCARD_MAP_SIZE)
 
@@ -104,14 +104,13 @@
 DEFINE_BPF_MAP_EXT(packet_trace_enabled_map, ARRAY, uint32_t, bool, 1,
                    AID_ROOT, AID_SYSTEM, 0060, "fs_bpf_net_shared", "", false,
                    BPFLOADER_IGNORED_ON_VERSION, BPFLOADER_MAX_VER, LOAD_ON_ENG,
-                   IGNORE_ON_USER, LOAD_ON_USERDEBUG)
+                   LOAD_ON_USER, LOAD_ON_USERDEBUG)
 
-// A ring buffer on which packet information is pushed. This map will only be loaded
-// on eng and userdebug devices. User devices won't load this to save memory.
+// A ring buffer on which packet information is pushed.
 DEFINE_BPF_RINGBUF_EXT(packet_trace_ringbuf, PacketTrace, PACKET_TRACE_BUF_SIZE,
                        AID_ROOT, AID_SYSTEM, 0060, "fs_bpf_net_shared", "", false,
                        BPFLOADER_IGNORED_ON_VERSION, BPFLOADER_MAX_VER, LOAD_ON_ENG,
-                       IGNORE_ON_USER, LOAD_ON_USERDEBUG);
+                       LOAD_ON_USER, LOAD_ON_USERDEBUG);
 
 // iptables xt_bpf programs need to be usable by both netd and netutils_wrappers
 // selinux contexts, because even non-xt_bpf iptables mutations are implemented as
@@ -504,6 +503,16 @@
     return match;
 }
 
+// This program is optional, and enables tracing on Android U+, 5.8+ on user builds.
+DEFINE_BPF_PROG_EXT("cgroupskb/ingress/stats$trace_user", AID_ROOT, AID_SYSTEM,
+                    bpf_cgroup_ingress_trace_user, KVER(5, 8, 0), KVER_INF,
+                    BPFLOADER_IGNORED_ON_VERSION, BPFLOADER_MAX_VER, true,
+                    "fs_bpf_netd_readonly", "", true, false, true)
+(struct __sk_buff* skb) {
+    return bpf_traffic_account(skb, INGRESS, TRACE_ON, KVER(5, 8, 0));
+}
+
+// This program is required, and enables tracing on Android U+, 5.8+, userdebug/eng.
 DEFINE_BPF_PROG_EXT("cgroupskb/ingress/stats$trace", AID_ROOT, AID_SYSTEM,
                     bpf_cgroup_ingress_trace, KVER(5, 8, 0), KVER_INF,
                     BPFLOADER_IGNORED_ON_VERSION, BPFLOADER_MAX_VER, false,
@@ -524,6 +533,16 @@
     return bpf_traffic_account(skb, INGRESS, TRACE_OFF, KVER_NONE);
 }
 
+// This program is optional, and enables tracing on Android U+, 5.8+ on user builds.
+DEFINE_BPF_PROG_EXT("cgroupskb/egress/stats$trace_user", AID_ROOT, AID_SYSTEM,
+                    bpf_cgroup_egress_trace_user, KVER(5, 8, 0), KVER_INF,
+                    BPFLOADER_IGNORED_ON_VERSION, BPFLOADER_MAX_VER, true,
+                    "fs_bpf_netd_readonly", "", true, false, true)
+(struct __sk_buff* skb) {
+    return bpf_traffic_account(skb, EGRESS, TRACE_ON, KVER(5, 8, 0));
+}
+
+// This program is required, and enables tracing on Android U+, 5.8+, userdebug/eng.
 DEFINE_BPF_PROG_EXT("cgroupskb/egress/stats$trace", AID_ROOT, AID_SYSTEM,
                     bpf_cgroup_egress_trace, KVER(5, 8, 0), KVER_INF,
                     BPFLOADER_IGNORED_ON_VERSION, BPFLOADER_MAX_VER, false,
diff --git a/framework-t/api/OWNERS b/framework-t/api/OWNERS
index af583c3..607f85a 100644
--- a/framework-t/api/OWNERS
+++ b/framework-t/api/OWNERS
@@ -1,2 +1,2 @@
-file:platform/packages/modules/Connectivity:master:/nearby/OWNERS
-file:platform/packages/modules/Connectivity:master:/remoteauth/OWNERS
+file:platform/packages/modules/Connectivity:main:/nearby/OWNERS
+file:platform/packages/modules/Connectivity:main:/remoteauth/OWNERS
diff --git a/framework-t/udc-extended-api/OWNERS b/framework-t/udc-extended-api/OWNERS
index af583c3..607f85a 100644
--- a/framework-t/udc-extended-api/OWNERS
+++ b/framework-t/udc-extended-api/OWNERS
@@ -1,2 +1,2 @@
-file:platform/packages/modules/Connectivity:master:/nearby/OWNERS
-file:platform/packages/modules/Connectivity:master:/remoteauth/OWNERS
+file:platform/packages/modules/Connectivity:main:/nearby/OWNERS
+file:platform/packages/modules/Connectivity:main:/remoteauth/OWNERS
diff --git a/framework/cronet_disabled/api/current.txt b/framework/cronet_disabled/api/current.txt
deleted file mode 100644
index 672e3e2..0000000
--- a/framework/cronet_disabled/api/current.txt
+++ /dev/null
@@ -1,527 +0,0 @@
-// Signature format: 2.0
-package android.net {
-
-  public class CaptivePortal implements android.os.Parcelable {
-    method public int describeContents();
-    method public void ignoreNetwork();
-    method public void reportCaptivePortalDismissed();
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.CaptivePortal> CREATOR;
-  }
-
-  public class ConnectivityDiagnosticsManager {
-    method public void registerConnectivityDiagnosticsCallback(@NonNull android.net.NetworkRequest, @NonNull java.util.concurrent.Executor, @NonNull android.net.ConnectivityDiagnosticsManager.ConnectivityDiagnosticsCallback);
-    method public void unregisterConnectivityDiagnosticsCallback(@NonNull android.net.ConnectivityDiagnosticsManager.ConnectivityDiagnosticsCallback);
-  }
-
-  public abstract static class ConnectivityDiagnosticsManager.ConnectivityDiagnosticsCallback {
-    ctor public ConnectivityDiagnosticsManager.ConnectivityDiagnosticsCallback();
-    method public void onConnectivityReportAvailable(@NonNull android.net.ConnectivityDiagnosticsManager.ConnectivityReport);
-    method public void onDataStallSuspected(@NonNull android.net.ConnectivityDiagnosticsManager.DataStallReport);
-    method public void onNetworkConnectivityReported(@NonNull android.net.Network, boolean);
-  }
-
-  public static final class ConnectivityDiagnosticsManager.ConnectivityReport implements android.os.Parcelable {
-    ctor public ConnectivityDiagnosticsManager.ConnectivityReport(@NonNull android.net.Network, long, @NonNull android.net.LinkProperties, @NonNull android.net.NetworkCapabilities, @NonNull android.os.PersistableBundle);
-    method public int describeContents();
-    method @NonNull public android.os.PersistableBundle getAdditionalInfo();
-    method @NonNull public android.net.LinkProperties getLinkProperties();
-    method @NonNull public android.net.Network getNetwork();
-    method @NonNull public android.net.NetworkCapabilities getNetworkCapabilities();
-    method public long getReportTimestamp();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.ConnectivityDiagnosticsManager.ConnectivityReport> CREATOR;
-    field public static final String KEY_NETWORK_PROBES_ATTEMPTED_BITMASK = "networkProbesAttempted";
-    field public static final String KEY_NETWORK_PROBES_SUCCEEDED_BITMASK = "networkProbesSucceeded";
-    field public static final String KEY_NETWORK_VALIDATION_RESULT = "networkValidationResult";
-    field public static final int NETWORK_PROBE_DNS = 4; // 0x4
-    field public static final int NETWORK_PROBE_FALLBACK = 32; // 0x20
-    field public static final int NETWORK_PROBE_HTTP = 8; // 0x8
-    field public static final int NETWORK_PROBE_HTTPS = 16; // 0x10
-    field public static final int NETWORK_PROBE_PRIVATE_DNS = 64; // 0x40
-    field public static final int NETWORK_VALIDATION_RESULT_INVALID = 0; // 0x0
-    field public static final int NETWORK_VALIDATION_RESULT_PARTIALLY_VALID = 2; // 0x2
-    field public static final int NETWORK_VALIDATION_RESULT_SKIPPED = 3; // 0x3
-    field public static final int NETWORK_VALIDATION_RESULT_VALID = 1; // 0x1
-  }
-
-  public static final class ConnectivityDiagnosticsManager.DataStallReport implements android.os.Parcelable {
-    ctor public ConnectivityDiagnosticsManager.DataStallReport(@NonNull android.net.Network, long, int, @NonNull android.net.LinkProperties, @NonNull android.net.NetworkCapabilities, @NonNull android.os.PersistableBundle);
-    method public int describeContents();
-    method public int getDetectionMethod();
-    method @NonNull public android.net.LinkProperties getLinkProperties();
-    method @NonNull public android.net.Network getNetwork();
-    method @NonNull public android.net.NetworkCapabilities getNetworkCapabilities();
-    method public long getReportTimestamp();
-    method @NonNull public android.os.PersistableBundle getStallDetails();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.ConnectivityDiagnosticsManager.DataStallReport> CREATOR;
-    field public static final int DETECTION_METHOD_DNS_EVENTS = 1; // 0x1
-    field public static final int DETECTION_METHOD_TCP_METRICS = 2; // 0x2
-    field public static final String KEY_DNS_CONSECUTIVE_TIMEOUTS = "dnsConsecutiveTimeouts";
-    field public static final String KEY_TCP_METRICS_COLLECTION_PERIOD_MILLIS = "tcpMetricsCollectionPeriodMillis";
-    field public static final String KEY_TCP_PACKET_FAIL_RATE = "tcpPacketFailRate";
-  }
-
-  public class ConnectivityManager {
-    method public void addDefaultNetworkActiveListener(android.net.ConnectivityManager.OnNetworkActiveListener);
-    method public boolean bindProcessToNetwork(@Nullable android.net.Network);
-    method @NonNull public android.net.SocketKeepalive createSocketKeepalive(@NonNull android.net.Network, @NonNull android.net.IpSecManager.UdpEncapsulationSocket, @NonNull java.net.InetAddress, @NonNull java.net.InetAddress, @NonNull java.util.concurrent.Executor, @NonNull android.net.SocketKeepalive.Callback);
-    method @Nullable @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public android.net.Network getActiveNetwork();
-    method @Deprecated @Nullable @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public android.net.NetworkInfo getActiveNetworkInfo();
-    method @Deprecated @NonNull @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public android.net.NetworkInfo[] getAllNetworkInfo();
-    method @Deprecated @NonNull @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public android.net.Network[] getAllNetworks();
-    method @Deprecated public boolean getBackgroundDataSetting();
-    method @Nullable public android.net.Network getBoundNetworkForProcess();
-    method public int getConnectionOwnerUid(int, @NonNull java.net.InetSocketAddress, @NonNull java.net.InetSocketAddress);
-    method @Nullable public android.net.ProxyInfo getDefaultProxy();
-    method @Nullable @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public android.net.LinkProperties getLinkProperties(@Nullable android.net.Network);
-    method @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public int getMultipathPreference(@Nullable android.net.Network);
-    method @Nullable @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public android.net.NetworkCapabilities getNetworkCapabilities(@Nullable android.net.Network);
-    method @Deprecated @Nullable @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public android.net.NetworkInfo getNetworkInfo(int);
-    method @Deprecated @Nullable @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public android.net.NetworkInfo getNetworkInfo(@Nullable android.net.Network);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public int getNetworkPreference();
-    method @Nullable public byte[] getNetworkWatchlistConfigHash();
-    method @Deprecated @Nullable public static android.net.Network getProcessDefaultNetwork();
-    method public int getRestrictBackgroundStatus();
-    method @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public boolean isActiveNetworkMetered();
-    method public boolean isDefaultNetworkActive();
-    method @Deprecated public static boolean isNetworkTypeValid(int);
-    method public void registerBestMatchingNetworkCallback(@NonNull android.net.NetworkRequest, @NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
-    method @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public void registerDefaultNetworkCallback(@NonNull android.net.ConnectivityManager.NetworkCallback);
-    method @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public void registerDefaultNetworkCallback(@NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
-    method @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public void registerNetworkCallback(@NonNull android.net.NetworkRequest, @NonNull android.net.ConnectivityManager.NetworkCallback);
-    method @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public void registerNetworkCallback(@NonNull android.net.NetworkRequest, @NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
-    method @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE) public void registerNetworkCallback(@NonNull android.net.NetworkRequest, @NonNull android.app.PendingIntent);
-    method public void releaseNetworkRequest(@NonNull android.app.PendingIntent);
-    method public void removeDefaultNetworkActiveListener(@NonNull android.net.ConnectivityManager.OnNetworkActiveListener);
-    method @Deprecated public void reportBadNetwork(@Nullable android.net.Network);
-    method public void reportNetworkConnectivity(@Nullable android.net.Network, boolean);
-    method public boolean requestBandwidthUpdate(@NonNull android.net.Network);
-    method public void requestNetwork(@NonNull android.net.NetworkRequest, @NonNull android.net.ConnectivityManager.NetworkCallback);
-    method public void requestNetwork(@NonNull android.net.NetworkRequest, @NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
-    method public void requestNetwork(@NonNull android.net.NetworkRequest, @NonNull android.net.ConnectivityManager.NetworkCallback, int);
-    method public void requestNetwork(@NonNull android.net.NetworkRequest, @NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler, int);
-    method public void requestNetwork(@NonNull android.net.NetworkRequest, @NonNull android.app.PendingIntent);
-    method @Deprecated public void setNetworkPreference(int);
-    method @Deprecated public static boolean setProcessDefaultNetwork(@Nullable android.net.Network);
-    method public void unregisterNetworkCallback(@NonNull android.net.ConnectivityManager.NetworkCallback);
-    method public void unregisterNetworkCallback(@NonNull android.app.PendingIntent);
-    field @Deprecated public static final String ACTION_BACKGROUND_DATA_SETTING_CHANGED = "android.net.conn.BACKGROUND_DATA_SETTING_CHANGED";
-    field public static final String ACTION_CAPTIVE_PORTAL_SIGN_IN = "android.net.conn.CAPTIVE_PORTAL";
-    field public static final String ACTION_RESTRICT_BACKGROUND_CHANGED = "android.net.conn.RESTRICT_BACKGROUND_CHANGED";
-    field @Deprecated public static final String CONNECTIVITY_ACTION = "android.net.conn.CONNECTIVITY_CHANGE";
-    field @Deprecated public static final int DEFAULT_NETWORK_PREFERENCE = 1; // 0x1
-    field public static final String EXTRA_CAPTIVE_PORTAL = "android.net.extra.CAPTIVE_PORTAL";
-    field public static final String EXTRA_CAPTIVE_PORTAL_URL = "android.net.extra.CAPTIVE_PORTAL_URL";
-    field @Deprecated public static final String EXTRA_EXTRA_INFO = "extraInfo";
-    field @Deprecated public static final String EXTRA_IS_FAILOVER = "isFailover";
-    field public static final String EXTRA_NETWORK = "android.net.extra.NETWORK";
-    field @Deprecated public static final String EXTRA_NETWORK_INFO = "networkInfo";
-    field public static final String EXTRA_NETWORK_REQUEST = "android.net.extra.NETWORK_REQUEST";
-    field @Deprecated public static final String EXTRA_NETWORK_TYPE = "networkType";
-    field public static final String EXTRA_NO_CONNECTIVITY = "noConnectivity";
-    field @Deprecated public static final String EXTRA_OTHER_NETWORK_INFO = "otherNetwork";
-    field public static final String EXTRA_REASON = "reason";
-    field public static final int MULTIPATH_PREFERENCE_HANDOVER = 1; // 0x1
-    field public static final int MULTIPATH_PREFERENCE_PERFORMANCE = 4; // 0x4
-    field public static final int MULTIPATH_PREFERENCE_RELIABILITY = 2; // 0x2
-    field public static final int RESTRICT_BACKGROUND_STATUS_DISABLED = 1; // 0x1
-    field public static final int RESTRICT_BACKGROUND_STATUS_ENABLED = 3; // 0x3
-    field public static final int RESTRICT_BACKGROUND_STATUS_WHITELISTED = 2; // 0x2
-    field @Deprecated public static final int TYPE_BLUETOOTH = 7; // 0x7
-    field @Deprecated public static final int TYPE_DUMMY = 8; // 0x8
-    field @Deprecated public static final int TYPE_ETHERNET = 9; // 0x9
-    field @Deprecated public static final int TYPE_MOBILE = 0; // 0x0
-    field @Deprecated public static final int TYPE_MOBILE_DUN = 4; // 0x4
-    field @Deprecated public static final int TYPE_MOBILE_HIPRI = 5; // 0x5
-    field @Deprecated public static final int TYPE_MOBILE_MMS = 2; // 0x2
-    field @Deprecated public static final int TYPE_MOBILE_SUPL = 3; // 0x3
-    field @Deprecated public static final int TYPE_VPN = 17; // 0x11
-    field @Deprecated public static final int TYPE_WIFI = 1; // 0x1
-    field @Deprecated public static final int TYPE_WIMAX = 6; // 0x6
-  }
-
-  public static class ConnectivityManager.NetworkCallback {
-    ctor public ConnectivityManager.NetworkCallback();
-    ctor public ConnectivityManager.NetworkCallback(int);
-    method public void onAvailable(@NonNull android.net.Network);
-    method public void onBlockedStatusChanged(@NonNull android.net.Network, boolean);
-    method public void onCapabilitiesChanged(@NonNull android.net.Network, @NonNull android.net.NetworkCapabilities);
-    method public void onLinkPropertiesChanged(@NonNull android.net.Network, @NonNull android.net.LinkProperties);
-    method public void onLosing(@NonNull android.net.Network, int);
-    method public void onLost(@NonNull android.net.Network);
-    method public void onUnavailable();
-    field public static final int FLAG_INCLUDE_LOCATION_INFO = 1; // 0x1
-  }
-
-  public static interface ConnectivityManager.OnNetworkActiveListener {
-    method public void onNetworkActive();
-  }
-
-  public class DhcpInfo implements android.os.Parcelable {
-    ctor public DhcpInfo();
-    method public int describeContents();
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.DhcpInfo> CREATOR;
-    field public int dns1;
-    field public int dns2;
-    field public int gateway;
-    field public int ipAddress;
-    field public int leaseDuration;
-    field public int netmask;
-    field public int serverAddress;
-  }
-
-  public final class DnsResolver {
-    method @NonNull public static android.net.DnsResolver getInstance();
-    method public void query(@Nullable android.net.Network, @NonNull String, int, @NonNull java.util.concurrent.Executor, @Nullable android.os.CancellationSignal, @NonNull android.net.DnsResolver.Callback<? super java.util.List<java.net.InetAddress>>);
-    method public void query(@Nullable android.net.Network, @NonNull String, int, int, @NonNull java.util.concurrent.Executor, @Nullable android.os.CancellationSignal, @NonNull android.net.DnsResolver.Callback<? super java.util.List<java.net.InetAddress>>);
-    method public void rawQuery(@Nullable android.net.Network, @NonNull byte[], int, @NonNull java.util.concurrent.Executor, @Nullable android.os.CancellationSignal, @NonNull android.net.DnsResolver.Callback<? super byte[]>);
-    method public void rawQuery(@Nullable android.net.Network, @NonNull String, int, int, int, @NonNull java.util.concurrent.Executor, @Nullable android.os.CancellationSignal, @NonNull android.net.DnsResolver.Callback<? super byte[]>);
-    field public static final int CLASS_IN = 1; // 0x1
-    field public static final int ERROR_PARSE = 0; // 0x0
-    field public static final int ERROR_SYSTEM = 1; // 0x1
-    field public static final int FLAG_EMPTY = 0; // 0x0
-    field public static final int FLAG_NO_CACHE_LOOKUP = 4; // 0x4
-    field public static final int FLAG_NO_CACHE_STORE = 2; // 0x2
-    field public static final int FLAG_NO_RETRY = 1; // 0x1
-    field public static final int TYPE_A = 1; // 0x1
-    field public static final int TYPE_AAAA = 28; // 0x1c
-  }
-
-  public static interface DnsResolver.Callback<T> {
-    method public void onAnswer(@NonNull T, int);
-    method public void onError(@NonNull android.net.DnsResolver.DnsException);
-  }
-
-  public static class DnsResolver.DnsException extends java.lang.Exception {
-    ctor public DnsResolver.DnsException(int, @Nullable Throwable);
-    field public final int code;
-  }
-
-  public class InetAddresses {
-    method public static boolean isNumericAddress(@NonNull String);
-    method @NonNull public static java.net.InetAddress parseNumericAddress(@NonNull String);
-  }
-
-  public final class IpConfiguration implements android.os.Parcelable {
-    method public int describeContents();
-    method @Nullable public android.net.ProxyInfo getHttpProxy();
-    method @Nullable public android.net.StaticIpConfiguration getStaticIpConfiguration();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.IpConfiguration> CREATOR;
-  }
-
-  public static final class IpConfiguration.Builder {
-    ctor public IpConfiguration.Builder();
-    method @NonNull public android.net.IpConfiguration build();
-    method @NonNull public android.net.IpConfiguration.Builder setHttpProxy(@Nullable android.net.ProxyInfo);
-    method @NonNull public android.net.IpConfiguration.Builder setStaticIpConfiguration(@Nullable android.net.StaticIpConfiguration);
-  }
-
-  public final class IpPrefix implements android.os.Parcelable {
-    ctor public IpPrefix(@NonNull java.net.InetAddress, @IntRange(from=0, to=128) int);
-    method public boolean contains(@NonNull java.net.InetAddress);
-    method public int describeContents();
-    method @NonNull public java.net.InetAddress getAddress();
-    method @IntRange(from=0, to=128) public int getPrefixLength();
-    method @NonNull public byte[] getRawAddress();
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.IpPrefix> CREATOR;
-  }
-
-  public class LinkAddress implements android.os.Parcelable {
-    method public int describeContents();
-    method public java.net.InetAddress getAddress();
-    method public int getFlags();
-    method @IntRange(from=0, to=128) public int getPrefixLength();
-    method public int getScope();
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.LinkAddress> CREATOR;
-  }
-
-  public final class LinkProperties implements android.os.Parcelable {
-    ctor public LinkProperties();
-    method public boolean addRoute(@NonNull android.net.RouteInfo);
-    method public void clear();
-    method public int describeContents();
-    method @Nullable public java.net.Inet4Address getDhcpServerAddress();
-    method @NonNull public java.util.List<java.net.InetAddress> getDnsServers();
-    method @Nullable public String getDomains();
-    method @Nullable public android.net.ProxyInfo getHttpProxy();
-    method @Nullable public String getInterfaceName();
-    method @NonNull public java.util.List<android.net.LinkAddress> getLinkAddresses();
-    method public int getMtu();
-    method @Nullable public android.net.IpPrefix getNat64Prefix();
-    method @Nullable public String getPrivateDnsServerName();
-    method @NonNull public java.util.List<android.net.RouteInfo> getRoutes();
-    method public boolean isPrivateDnsActive();
-    method public boolean isWakeOnLanSupported();
-    method public void setDhcpServerAddress(@Nullable java.net.Inet4Address);
-    method public void setDnsServers(@NonNull java.util.Collection<java.net.InetAddress>);
-    method public void setDomains(@Nullable String);
-    method public void setHttpProxy(@Nullable android.net.ProxyInfo);
-    method public void setInterfaceName(@Nullable String);
-    method public void setLinkAddresses(@NonNull java.util.Collection<android.net.LinkAddress>);
-    method public void setMtu(int);
-    method public void setNat64Prefix(@Nullable android.net.IpPrefix);
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.LinkProperties> CREATOR;
-  }
-
-  public final class MacAddress implements android.os.Parcelable {
-    method public int describeContents();
-    method @NonNull public static android.net.MacAddress fromBytes(@NonNull byte[]);
-    method @NonNull public static android.net.MacAddress fromString(@NonNull String);
-    method public int getAddressType();
-    method @Nullable public java.net.Inet6Address getLinkLocalIpv6FromEui48Mac();
-    method public boolean isLocallyAssigned();
-    method public boolean matches(@NonNull android.net.MacAddress, @NonNull android.net.MacAddress);
-    method @NonNull public byte[] toByteArray();
-    method @NonNull public String toOuiString();
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final android.net.MacAddress BROADCAST_ADDRESS;
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.MacAddress> CREATOR;
-    field public static final int TYPE_BROADCAST = 3; // 0x3
-    field public static final int TYPE_MULTICAST = 2; // 0x2
-    field public static final int TYPE_UNICAST = 1; // 0x1
-  }
-
-  public class Network implements android.os.Parcelable {
-    method public void bindSocket(java.net.DatagramSocket) throws java.io.IOException;
-    method public void bindSocket(java.net.Socket) throws java.io.IOException;
-    method public void bindSocket(java.io.FileDescriptor) throws java.io.IOException;
-    method public int describeContents();
-    method public static android.net.Network fromNetworkHandle(long);
-    method public java.net.InetAddress[] getAllByName(String) throws java.net.UnknownHostException;
-    method public java.net.InetAddress getByName(String) throws java.net.UnknownHostException;
-    method public long getNetworkHandle();
-    method public javax.net.SocketFactory getSocketFactory();
-    method public java.net.URLConnection openConnection(java.net.URL) throws java.io.IOException;
-    method public java.net.URLConnection openConnection(java.net.URL, java.net.Proxy) throws java.io.IOException;
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.Network> CREATOR;
-  }
-
-  public final class NetworkCapabilities implements android.os.Parcelable {
-    ctor public NetworkCapabilities();
-    ctor public NetworkCapabilities(android.net.NetworkCapabilities);
-    method public int describeContents();
-    method @NonNull public int[] getCapabilities();
-    method @NonNull public int[] getEnterpriseIds();
-    method public int getLinkDownstreamBandwidthKbps();
-    method public int getLinkUpstreamBandwidthKbps();
-    method @Nullable public android.net.NetworkSpecifier getNetworkSpecifier();
-    method public int getOwnerUid();
-    method public int getSignalStrength();
-    method @Nullable public android.net.TransportInfo getTransportInfo();
-    method public boolean hasCapability(int);
-    method public boolean hasEnterpriseId(int);
-    method public boolean hasTransport(int);
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkCapabilities> CREATOR;
-    field public static final int NET_CAPABILITY_CAPTIVE_PORTAL = 17; // 0x11
-    field public static final int NET_CAPABILITY_CBS = 5; // 0x5
-    field public static final int NET_CAPABILITY_DUN = 2; // 0x2
-    field public static final int NET_CAPABILITY_EIMS = 10; // 0xa
-    field public static final int NET_CAPABILITY_ENTERPRISE = 29; // 0x1d
-    field public static final int NET_CAPABILITY_FOREGROUND = 19; // 0x13
-    field public static final int NET_CAPABILITY_FOTA = 3; // 0x3
-    field public static final int NET_CAPABILITY_HEAD_UNIT = 32; // 0x20
-    field public static final int NET_CAPABILITY_IA = 7; // 0x7
-    field public static final int NET_CAPABILITY_IMS = 4; // 0x4
-    field public static final int NET_CAPABILITY_INTERNET = 12; // 0xc
-    field public static final int NET_CAPABILITY_MCX = 23; // 0x17
-    field public static final int NET_CAPABILITY_MMS = 0; // 0x0
-    field public static final int NET_CAPABILITY_MMTEL = 33; // 0x21
-    field public static final int NET_CAPABILITY_NOT_CONGESTED = 20; // 0x14
-    field public static final int NET_CAPABILITY_NOT_METERED = 11; // 0xb
-    field public static final int NET_CAPABILITY_NOT_RESTRICTED = 13; // 0xd
-    field public static final int NET_CAPABILITY_NOT_ROAMING = 18; // 0x12
-    field public static final int NET_CAPABILITY_NOT_SUSPENDED = 21; // 0x15
-    field public static final int NET_CAPABILITY_NOT_VPN = 15; // 0xf
-    field public static final int NET_CAPABILITY_PRIORITIZE_BANDWIDTH = 35; // 0x23
-    field public static final int NET_CAPABILITY_PRIORITIZE_LATENCY = 34; // 0x22
-    field public static final int NET_CAPABILITY_RCS = 8; // 0x8
-    field public static final int NET_CAPABILITY_SUPL = 1; // 0x1
-    field public static final int NET_CAPABILITY_TEMPORARILY_NOT_METERED = 25; // 0x19
-    field public static final int NET_CAPABILITY_TRUSTED = 14; // 0xe
-    field public static final int NET_CAPABILITY_VALIDATED = 16; // 0x10
-    field public static final int NET_CAPABILITY_WIFI_P2P = 6; // 0x6
-    field public static final int NET_CAPABILITY_XCAP = 9; // 0x9
-    field public static final int NET_ENTERPRISE_ID_1 = 1; // 0x1
-    field public static final int NET_ENTERPRISE_ID_2 = 2; // 0x2
-    field public static final int NET_ENTERPRISE_ID_3 = 3; // 0x3
-    field public static final int NET_ENTERPRISE_ID_4 = 4; // 0x4
-    field public static final int NET_ENTERPRISE_ID_5 = 5; // 0x5
-    field public static final int SIGNAL_STRENGTH_UNSPECIFIED = -2147483648; // 0x80000000
-    field public static final int TRANSPORT_BLUETOOTH = 2; // 0x2
-    field public static final int TRANSPORT_CELLULAR = 0; // 0x0
-    field public static final int TRANSPORT_ETHERNET = 3; // 0x3
-    field public static final int TRANSPORT_LOWPAN = 6; // 0x6
-    field public static final int TRANSPORT_THREAD = 9; // 0x9
-    field public static final int TRANSPORT_USB = 8; // 0x8
-    field public static final int TRANSPORT_VPN = 4; // 0x4
-    field public static final int TRANSPORT_WIFI = 1; // 0x1
-    field public static final int TRANSPORT_WIFI_AWARE = 5; // 0x5
-  }
-
-  @Deprecated public class NetworkInfo implements android.os.Parcelable {
-    ctor @Deprecated public NetworkInfo(int, int, @Nullable String, @Nullable String);
-    method @Deprecated public int describeContents();
-    method @Deprecated @NonNull public android.net.NetworkInfo.DetailedState getDetailedState();
-    method @Deprecated public String getExtraInfo();
-    method @Deprecated public String getReason();
-    method @Deprecated public android.net.NetworkInfo.State getState();
-    method @Deprecated public int getSubtype();
-    method @Deprecated public String getSubtypeName();
-    method @Deprecated public int getType();
-    method @Deprecated public String getTypeName();
-    method @Deprecated public boolean isAvailable();
-    method @Deprecated public boolean isConnected();
-    method @Deprecated public boolean isConnectedOrConnecting();
-    method @Deprecated public boolean isFailover();
-    method @Deprecated public boolean isRoaming();
-    method @Deprecated public void setDetailedState(@NonNull android.net.NetworkInfo.DetailedState, @Nullable String, @Nullable String);
-    method @Deprecated public void writeToParcel(android.os.Parcel, int);
-    field @Deprecated @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkInfo> CREATOR;
-  }
-
-  @Deprecated public enum NetworkInfo.DetailedState {
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState AUTHENTICATING;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState BLOCKED;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState CAPTIVE_PORTAL_CHECK;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState CONNECTED;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState CONNECTING;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState DISCONNECTED;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState DISCONNECTING;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState FAILED;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState IDLE;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState OBTAINING_IPADDR;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState SCANNING;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState SUSPENDED;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.DetailedState VERIFYING_POOR_LINK;
-  }
-
-  @Deprecated public enum NetworkInfo.State {
-    enum_constant @Deprecated public static final android.net.NetworkInfo.State CONNECTED;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.State CONNECTING;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.State DISCONNECTED;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.State DISCONNECTING;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.State SUSPENDED;
-    enum_constant @Deprecated public static final android.net.NetworkInfo.State UNKNOWN;
-  }
-
-  public class NetworkRequest implements android.os.Parcelable {
-    method public boolean canBeSatisfiedBy(@Nullable android.net.NetworkCapabilities);
-    method public int describeContents();
-    method @NonNull public int[] getCapabilities();
-    method @Nullable public android.net.NetworkSpecifier getNetworkSpecifier();
-    method @NonNull public int[] getTransportTypes();
-    method public boolean hasCapability(int);
-    method public boolean hasTransport(int);
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkRequest> CREATOR;
-  }
-
-  public static class NetworkRequest.Builder {
-    ctor public NetworkRequest.Builder();
-    ctor public NetworkRequest.Builder(@NonNull android.net.NetworkRequest);
-    method public android.net.NetworkRequest.Builder addCapability(int);
-    method public android.net.NetworkRequest.Builder addTransportType(int);
-    method public android.net.NetworkRequest build();
-    method @NonNull public android.net.NetworkRequest.Builder clearCapabilities();
-    method public android.net.NetworkRequest.Builder removeCapability(int);
-    method public android.net.NetworkRequest.Builder removeTransportType(int);
-    method @NonNull public android.net.NetworkRequest.Builder setIncludeOtherUidNetworks(boolean);
-    method @Deprecated public android.net.NetworkRequest.Builder setNetworkSpecifier(String);
-    method public android.net.NetworkRequest.Builder setNetworkSpecifier(android.net.NetworkSpecifier);
-  }
-
-  public class ParseException extends java.lang.RuntimeException {
-    ctor public ParseException(@NonNull String);
-    ctor public ParseException(@NonNull String, @NonNull Throwable);
-    field public String response;
-  }
-
-  public class ProxyInfo implements android.os.Parcelable {
-    ctor public ProxyInfo(@Nullable android.net.ProxyInfo);
-    method public static android.net.ProxyInfo buildDirectProxy(String, int);
-    method public static android.net.ProxyInfo buildDirectProxy(String, int, java.util.List<java.lang.String>);
-    method public static android.net.ProxyInfo buildPacProxy(android.net.Uri);
-    method @NonNull public static android.net.ProxyInfo buildPacProxy(@NonNull android.net.Uri, int);
-    method public int describeContents();
-    method public String[] getExclusionList();
-    method public String getHost();
-    method public android.net.Uri getPacFileUrl();
-    method public int getPort();
-    method public boolean isValid();
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.ProxyInfo> CREATOR;
-  }
-
-  public final class RouteInfo implements android.os.Parcelable {
-    method public int describeContents();
-    method @NonNull public android.net.IpPrefix getDestination();
-    method @Nullable public java.net.InetAddress getGateway();
-    method @Nullable public String getInterface();
-    method public int getType();
-    method public boolean hasGateway();
-    method public boolean isDefaultRoute();
-    method public boolean matches(java.net.InetAddress);
-    method public void writeToParcel(android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.RouteInfo> CREATOR;
-    field public static final int RTN_THROW = 9; // 0x9
-    field public static final int RTN_UNICAST = 1; // 0x1
-    field public static final int RTN_UNREACHABLE = 7; // 0x7
-  }
-
-  public abstract class SocketKeepalive implements java.lang.AutoCloseable {
-    method public final void close();
-    method public final void start(@IntRange(from=0xa, to=0xe10) int);
-    method public final void stop();
-    field public static final int ERROR_HARDWARE_ERROR = -31; // 0xffffffe1
-    field public static final int ERROR_INSUFFICIENT_RESOURCES = -32; // 0xffffffe0
-    field public static final int ERROR_INVALID_INTERVAL = -24; // 0xffffffe8
-    field public static final int ERROR_INVALID_IP_ADDRESS = -21; // 0xffffffeb
-    field public static final int ERROR_INVALID_LENGTH = -23; // 0xffffffe9
-    field public static final int ERROR_INVALID_NETWORK = -20; // 0xffffffec
-    field public static final int ERROR_INVALID_PORT = -22; // 0xffffffea
-    field public static final int ERROR_INVALID_SOCKET = -25; // 0xffffffe7
-    field public static final int ERROR_SOCKET_NOT_IDLE = -26; // 0xffffffe6
-    field public static final int ERROR_UNSUPPORTED = -30; // 0xffffffe2
-  }
-
-  public static class SocketKeepalive.Callback {
-    ctor public SocketKeepalive.Callback();
-    method public void onDataReceived();
-    method public void onError(int);
-    method public void onStarted();
-    method public void onStopped();
-  }
-
-  public final class StaticIpConfiguration implements android.os.Parcelable {
-    method public int describeContents();
-    method @NonNull public java.util.List<java.net.InetAddress> getDnsServers();
-    method @Nullable public String getDomains();
-    method @Nullable public java.net.InetAddress getGateway();
-    method @NonNull public android.net.LinkAddress getIpAddress();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.StaticIpConfiguration> CREATOR;
-  }
-
-  public static final class StaticIpConfiguration.Builder {
-    ctor public StaticIpConfiguration.Builder();
-    method @NonNull public android.net.StaticIpConfiguration build();
-    method @NonNull public android.net.StaticIpConfiguration.Builder setDnsServers(@NonNull Iterable<java.net.InetAddress>);
-    method @NonNull public android.net.StaticIpConfiguration.Builder setDomains(@Nullable String);
-    method @NonNull public android.net.StaticIpConfiguration.Builder setGateway(@Nullable java.net.InetAddress);
-    method @NonNull public android.net.StaticIpConfiguration.Builder setIpAddress(@NonNull android.net.LinkAddress);
-  }
-
-  public interface TransportInfo {
-  }
-
-}
-
diff --git a/framework/cronet_disabled/api/lint-baseline.txt b/framework/cronet_disabled/api/lint-baseline.txt
deleted file mode 100644
index 2f4004a..0000000
--- a/framework/cronet_disabled/api/lint-baseline.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-// Baseline format: 1.0
-VisiblySynchronized: android.net.NetworkInfo#toString():
-    Internal locks must not be exposed (synchronizing on this or class is still
-    externally observable): method android.net.NetworkInfo.toString()
diff --git a/framework/cronet_disabled/api/module-lib-current.txt b/framework/cronet_disabled/api/module-lib-current.txt
deleted file mode 100644
index 193bd92..0000000
--- a/framework/cronet_disabled/api/module-lib-current.txt
+++ /dev/null
@@ -1,239 +0,0 @@
-// Signature format: 2.0
-package android.net {
-
-  public final class ConnectivityFrameworkInitializer {
-    method public static void registerServiceWrappers();
-  }
-
-  public class ConnectivityManager {
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void addUidToMeteredNetworkAllowList(int);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void addUidToMeteredNetworkDenyList(int);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void factoryReset();
-    method @NonNull @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public java.util.List<android.net.NetworkStateSnapshot> getAllNetworkStateSnapshots();
-    method @Nullable public android.net.ProxyInfo getGlobalProxy();
-    method @NonNull public static android.util.Range<java.lang.Integer> getIpSecNetIdRange();
-    method @Nullable @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public android.net.LinkProperties getRedactedLinkPropertiesForPackage(@NonNull android.net.LinkProperties, int, @NonNull String);
-    method @Nullable @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public android.net.NetworkCapabilities getRedactedNetworkCapabilitiesForPackage(@NonNull android.net.NetworkCapabilities, int, @NonNull String);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void registerDefaultNetworkCallbackForUid(int, @NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.CONNECTIVITY_USE_RESTRICTED_NETWORKS}) public void registerSystemDefaultNetworkCallback(@NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void removeUidFromMeteredNetworkAllowList(int);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void removeUidFromMeteredNetworkDenyList(int);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void replaceFirewallChain(int, @NonNull int[]);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void requestBackgroundNetwork(@NonNull android.net.NetworkRequest, @NonNull android.net.ConnectivityManager.NetworkCallback, @NonNull android.os.Handler);
-    method @Deprecated public boolean requestRouteToHostAddress(int, java.net.InetAddress);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptPartialConnectivity(@NonNull android.net.Network, boolean, boolean);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptUnvalidated(@NonNull android.net.Network, boolean, boolean);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAvoidUnvalidated(@NonNull android.net.Network);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setFirewallChainEnabled(int, boolean);
-    method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setGlobalProxy(@Nullable android.net.ProxyInfo);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void setLegacyLockdownVpnEnabled(boolean);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setProfileNetworkPreference(@NonNull android.os.UserHandle, int, @Nullable java.util.concurrent.Executor, @Nullable Runnable);
-    method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setProfileNetworkPreferences(@NonNull android.os.UserHandle, @NonNull java.util.List<android.net.ProfileNetworkPreference>, @Nullable java.util.concurrent.Executor, @Nullable Runnable);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void setRequireVpnForUids(boolean, @NonNull java.util.Collection<android.util.Range<java.lang.Integer>>);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setUidFirewallRule(int, int, int);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void setVpnDefaultForUids(@NonNull String, @NonNull java.util.Collection<android.util.Range<java.lang.Integer>>);
-    method @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_TEST_NETWORKS, android.Manifest.permission.NETWORK_STACK}) public void simulateDataStall(int, long, @NonNull android.net.Network, @NonNull android.os.PersistableBundle);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void startCaptivePortalApp(@NonNull android.net.Network);
-    method public void systemReady();
-    field public static final String ACTION_CLEAR_DNS_CACHE = "android.net.action.CLEAR_DNS_CACHE";
-    field public static final String ACTION_PROMPT_LOST_VALIDATION = "android.net.action.PROMPT_LOST_VALIDATION";
-    field public static final String ACTION_PROMPT_PARTIAL_CONNECTIVITY = "android.net.action.PROMPT_PARTIAL_CONNECTIVITY";
-    field public static final String ACTION_PROMPT_UNVALIDATED = "android.net.action.PROMPT_UNVALIDATED";
-    field public static final int BLOCKED_METERED_REASON_ADMIN_DISABLED = 262144; // 0x40000
-    field public static final int BLOCKED_METERED_REASON_DATA_SAVER = 65536; // 0x10000
-    field public static final int BLOCKED_METERED_REASON_MASK = -65536; // 0xffff0000
-    field public static final int BLOCKED_METERED_REASON_USER_RESTRICTED = 131072; // 0x20000
-    field public static final int BLOCKED_REASON_APP_STANDBY = 4; // 0x4
-    field public static final int BLOCKED_REASON_BATTERY_SAVER = 1; // 0x1
-    field public static final int BLOCKED_REASON_DOZE = 2; // 0x2
-    field public static final int BLOCKED_REASON_LOCKDOWN_VPN = 16; // 0x10
-    field public static final int BLOCKED_REASON_LOW_POWER_STANDBY = 32; // 0x20
-    field public static final int BLOCKED_REASON_NONE = 0; // 0x0
-    field public static final int BLOCKED_REASON_RESTRICTED_MODE = 8; // 0x8
-    field public static final int FIREWALL_CHAIN_DOZABLE = 1; // 0x1
-    field public static final int FIREWALL_CHAIN_LOW_POWER_STANDBY = 5; // 0x5
-    field public static final int FIREWALL_CHAIN_OEM_DENY_1 = 7; // 0x7
-    field public static final int FIREWALL_CHAIN_OEM_DENY_2 = 8; // 0x8
-    field public static final int FIREWALL_CHAIN_OEM_DENY_3 = 9; // 0x9
-    field public static final int FIREWALL_CHAIN_POWERSAVE = 3; // 0x3
-    field public static final int FIREWALL_CHAIN_RESTRICTED = 4; // 0x4
-    field public static final int FIREWALL_CHAIN_STANDBY = 2; // 0x2
-    field public static final int FIREWALL_RULE_ALLOW = 1; // 0x1
-    field public static final int FIREWALL_RULE_DEFAULT = 0; // 0x0
-    field public static final int FIREWALL_RULE_DENY = 2; // 0x2
-    field public static final int PROFILE_NETWORK_PREFERENCE_DEFAULT = 0; // 0x0
-    field public static final int PROFILE_NETWORK_PREFERENCE_ENTERPRISE = 1; // 0x1
-    field public static final int PROFILE_NETWORK_PREFERENCE_ENTERPRISE_BLOCKING = 3; // 0x3
-    field public static final int PROFILE_NETWORK_PREFERENCE_ENTERPRISE_NO_FALLBACK = 2; // 0x2
-  }
-
-  public static class ConnectivityManager.NetworkCallback {
-    method public void onBlockedStatusChanged(@NonNull android.net.Network, int);
-  }
-
-  public class ConnectivitySettingsManager {
-    method public static void clearGlobalProxy(@NonNull android.content.Context);
-    method @Nullable public static String getCaptivePortalHttpUrl(@NonNull android.content.Context);
-    method public static int getCaptivePortalMode(@NonNull android.content.Context, int);
-    method @NonNull public static java.time.Duration getConnectivityKeepPendingIntentDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
-    method @NonNull public static android.util.Range<java.lang.Integer> getDnsResolverSampleRanges(@NonNull android.content.Context);
-    method @NonNull public static java.time.Duration getDnsResolverSampleValidityDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
-    method public static int getDnsResolverSuccessThresholdPercent(@NonNull android.content.Context, int);
-    method @Nullable public static android.net.ProxyInfo getGlobalProxy(@NonNull android.content.Context);
-    method public static long getIngressRateLimitInBytesPerSecond(@NonNull android.content.Context);
-    method @NonNull public static java.time.Duration getMobileDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
-    method public static boolean getMobileDataAlwaysOn(@NonNull android.content.Context, boolean);
-    method @NonNull public static java.util.Set<java.lang.Integer> getMobileDataPreferredUids(@NonNull android.content.Context);
-    method public static int getNetworkAvoidBadWifi(@NonNull android.content.Context);
-    method @Nullable public static String getNetworkMeteredMultipathPreference(@NonNull android.content.Context);
-    method public static int getNetworkSwitchNotificationMaximumDailyCount(@NonNull android.content.Context, int);
-    method @NonNull public static java.time.Duration getNetworkSwitchNotificationRateDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
-    method @NonNull public static String getPrivateDnsDefaultMode(@NonNull android.content.Context);
-    method @Nullable public static String getPrivateDnsHostname(@NonNull android.content.Context);
-    method public static int getPrivateDnsMode(@NonNull android.content.Context);
-    method @NonNull public static java.util.Set<java.lang.Integer> getUidsAllowedOnRestrictedNetworks(@NonNull android.content.Context);
-    method public static boolean getWifiAlwaysRequested(@NonNull android.content.Context, boolean);
-    method @NonNull public static java.time.Duration getWifiDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
-    method public static void setCaptivePortalHttpUrl(@NonNull android.content.Context, @Nullable String);
-    method public static void setCaptivePortalMode(@NonNull android.content.Context, int);
-    method public static void setConnectivityKeepPendingIntentDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
-    method public static void setDnsResolverSampleRanges(@NonNull android.content.Context, @NonNull android.util.Range<java.lang.Integer>);
-    method public static void setDnsResolverSampleValidityDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
-    method public static void setDnsResolverSuccessThresholdPercent(@NonNull android.content.Context, @IntRange(from=0, to=100) int);
-    method public static void setGlobalProxy(@NonNull android.content.Context, @NonNull android.net.ProxyInfo);
-    method public static void setIngressRateLimitInBytesPerSecond(@NonNull android.content.Context, @IntRange(from=-1L, to=4294967295L) long);
-    method public static void setMobileDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
-    method public static void setMobileDataAlwaysOn(@NonNull android.content.Context, boolean);
-    method public static void setMobileDataPreferredUids(@NonNull android.content.Context, @NonNull java.util.Set<java.lang.Integer>);
-    method public static void setNetworkAvoidBadWifi(@NonNull android.content.Context, int);
-    method public static void setNetworkMeteredMultipathPreference(@NonNull android.content.Context, @NonNull String);
-    method public static void setNetworkSwitchNotificationMaximumDailyCount(@NonNull android.content.Context, @IntRange(from=0) int);
-    method public static void setNetworkSwitchNotificationRateDuration(@NonNull android.content.Context, @NonNull java.time.Duration);
-    method public static void setPrivateDnsDefaultMode(@NonNull android.content.Context, @NonNull int);
-    method public static void setPrivateDnsHostname(@NonNull android.content.Context, @Nullable String);
-    method public static void setPrivateDnsMode(@NonNull android.content.Context, int);
-    method public static void setUidsAllowedOnRestrictedNetworks(@NonNull android.content.Context, @NonNull java.util.Set<java.lang.Integer>);
-    method public static void setWifiAlwaysRequested(@NonNull android.content.Context, boolean);
-    method public static void setWifiDataActivityTimeout(@NonNull android.content.Context, @NonNull java.time.Duration);
-    field public static final int CAPTIVE_PORTAL_MODE_AVOID = 2; // 0x2
-    field public static final int CAPTIVE_PORTAL_MODE_IGNORE = 0; // 0x0
-    field public static final int CAPTIVE_PORTAL_MODE_PROMPT = 1; // 0x1
-    field public static final int NETWORK_AVOID_BAD_WIFI_AVOID = 2; // 0x2
-    field public static final int NETWORK_AVOID_BAD_WIFI_IGNORE = 0; // 0x0
-    field public static final int NETWORK_AVOID_BAD_WIFI_PROMPT = 1; // 0x1
-    field public static final int PRIVATE_DNS_MODE_OFF = 1; // 0x1
-    field public static final int PRIVATE_DNS_MODE_OPPORTUNISTIC = 2; // 0x2
-    field public static final int PRIVATE_DNS_MODE_PROVIDER_HOSTNAME = 3; // 0x3
-  }
-
-  public final class DhcpOption implements android.os.Parcelable {
-    ctor public DhcpOption(byte, @Nullable byte[]);
-    method public int describeContents();
-    method public byte getType();
-    method @Nullable public byte[] getValue();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.DhcpOption> CREATOR;
-  }
-
-  public final class NetworkAgentConfig implements android.os.Parcelable {
-    method @Nullable public String getSubscriberId();
-    method public boolean isBypassableVpn();
-    method public boolean isVpnValidationRequired();
-  }
-
-  public static final class NetworkAgentConfig.Builder {
-    method @NonNull public android.net.NetworkAgentConfig.Builder setBypassableVpn(boolean);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setLocalRoutesExcludedForVpn(boolean);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setSubscriberId(@Nullable String);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setVpnRequiresValidation(boolean);
-  }
-
-  public final class NetworkCapabilities implements android.os.Parcelable {
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public java.util.Set<java.lang.Integer> getAllowedUids();
-    method @Nullable public java.util.Set<android.util.Range<java.lang.Integer>> getUids();
-    method public boolean hasForbiddenCapability(int);
-    field public static final long REDACT_ALL = -1L; // 0xffffffffffffffffL
-    field public static final long REDACT_FOR_ACCESS_FINE_LOCATION = 1L; // 0x1L
-    field public static final long REDACT_FOR_LOCAL_MAC_ADDRESS = 2L; // 0x2L
-    field public static final long REDACT_FOR_NETWORK_SETTINGS = 4L; // 0x4L
-    field public static final long REDACT_NONE = 0L; // 0x0L
-    field public static final int TRANSPORT_TEST = 7; // 0x7
-  }
-
-  public static final class NetworkCapabilities.Builder {
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public android.net.NetworkCapabilities.Builder setAllowedUids(@NonNull java.util.Set<java.lang.Integer>);
-    method @NonNull public android.net.NetworkCapabilities.Builder setUids(@Nullable java.util.Set<android.util.Range<java.lang.Integer>>);
-  }
-
-  public class NetworkRequest implements android.os.Parcelable {
-    method @NonNull public int[] getEnterpriseIds();
-    method @NonNull public int[] getForbiddenCapabilities();
-    method public boolean hasEnterpriseId(int);
-    method public boolean hasForbiddenCapability(int);
-  }
-
-  public static class NetworkRequest.Builder {
-    method @NonNull public android.net.NetworkRequest.Builder addForbiddenCapability(int);
-    method @NonNull public android.net.NetworkRequest.Builder removeForbiddenCapability(int);
-    method @NonNull public android.net.NetworkRequest.Builder setUids(@Nullable java.util.Set<android.util.Range<java.lang.Integer>>);
-  }
-
-  public final class ProfileNetworkPreference implements android.os.Parcelable {
-    method public int describeContents();
-    method @NonNull public int[] getExcludedUids();
-    method @NonNull public int[] getIncludedUids();
-    method public int getPreference();
-    method public int getPreferenceEnterpriseId();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.ProfileNetworkPreference> CREATOR;
-  }
-
-  public static final class ProfileNetworkPreference.Builder {
-    ctor public ProfileNetworkPreference.Builder();
-    method @NonNull public android.net.ProfileNetworkPreference build();
-    method @NonNull public android.net.ProfileNetworkPreference.Builder setExcludedUids(@NonNull int[]);
-    method @NonNull public android.net.ProfileNetworkPreference.Builder setIncludedUids(@NonNull int[]);
-    method @NonNull public android.net.ProfileNetworkPreference.Builder setPreference(int);
-    method @NonNull public android.net.ProfileNetworkPreference.Builder setPreferenceEnterpriseId(int);
-  }
-
-  public final class TestNetworkInterface implements android.os.Parcelable {
-    ctor public TestNetworkInterface(@NonNull android.os.ParcelFileDescriptor, @NonNull String);
-    method public int describeContents();
-    method @NonNull public android.os.ParcelFileDescriptor getFileDescriptor();
-    method @NonNull public String getInterfaceName();
-    method @Nullable public android.net.MacAddress getMacAddress();
-    method public int getMtu();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.TestNetworkInterface> CREATOR;
-  }
-
-  public class TestNetworkManager {
-    method @NonNull @RequiresPermission(android.Manifest.permission.MANAGE_TEST_NETWORKS) public android.net.TestNetworkInterface createTapInterface();
-    method @NonNull @RequiresPermission(android.Manifest.permission.MANAGE_TEST_NETWORKS) public android.net.TestNetworkInterface createTunInterface(@NonNull java.util.Collection<android.net.LinkAddress>);
-    method @RequiresPermission(android.Manifest.permission.MANAGE_TEST_NETWORKS) public void setupTestNetwork(@NonNull String, @NonNull android.os.IBinder);
-    method @RequiresPermission(android.Manifest.permission.MANAGE_TEST_NETWORKS) public void teardownTestNetwork(@NonNull android.net.Network);
-    field public static final String TEST_TAP_PREFIX = "testtap";
-  }
-
-  public final class TestNetworkSpecifier extends android.net.NetworkSpecifier implements android.os.Parcelable {
-    ctor public TestNetworkSpecifier(@NonNull String);
-    method public int describeContents();
-    method @Nullable public String getInterfaceName();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.TestNetworkSpecifier> CREATOR;
-  }
-
-  public interface TransportInfo {
-    method public default long getApplicableRedactions();
-    method @NonNull public default android.net.TransportInfo makeCopy(long);
-  }
-
-  public final class VpnTransportInfo implements android.os.Parcelable android.net.TransportInfo {
-    ctor @Deprecated public VpnTransportInfo(int, @Nullable String);
-    method @Nullable public String getSessionId();
-    method @NonNull public android.net.VpnTransportInfo makeCopy(long);
-  }
-
-}
-
diff --git a/framework/cronet_disabled/api/module-lib-removed.txt b/framework/cronet_disabled/api/module-lib-removed.txt
deleted file mode 100644
index d802177..0000000
--- a/framework/cronet_disabled/api/module-lib-removed.txt
+++ /dev/null
@@ -1 +0,0 @@
-// Signature format: 2.0
diff --git a/framework/cronet_disabled/api/removed.txt b/framework/cronet_disabled/api/removed.txt
deleted file mode 100644
index 303a1e6..0000000
--- a/framework/cronet_disabled/api/removed.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-// Signature format: 2.0
-package android.net {
-
-  public class ConnectivityManager {
-    method @Deprecated public boolean requestRouteToHost(int, int);
-    method @Deprecated public int startUsingNetworkFeature(int, String);
-    method @Deprecated public int stopUsingNetworkFeature(int, String);
-  }
-
-}
-
diff --git a/framework/cronet_disabled/api/system-current.txt b/framework/cronet_disabled/api/system-current.txt
deleted file mode 100644
index 4a2ed8a..0000000
--- a/framework/cronet_disabled/api/system-current.txt
+++ /dev/null
@@ -1,544 +0,0 @@
-// Signature format: 2.0
-package android.net {
-
-  public class CaptivePortal implements android.os.Parcelable {
-    method @Deprecated public void logEvent(int, @NonNull String);
-    method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void reevaluateNetwork();
-    method public void useNetwork();
-    field public static final int APP_REQUEST_REEVALUATION_REQUIRED = 100; // 0x64
-    field public static final int APP_RETURN_DISMISSED = 0; // 0x0
-    field public static final int APP_RETURN_UNWANTED = 1; // 0x1
-    field public static final int APP_RETURN_WANTED_AS_IS = 2; // 0x2
-  }
-
-  public final class CaptivePortalData implements android.os.Parcelable {
-    method public int describeContents();
-    method public long getByteLimit();
-    method public long getExpiryTimeMillis();
-    method public long getRefreshTimeMillis();
-    method @Nullable public android.net.Uri getUserPortalUrl();
-    method public int getUserPortalUrlSource();
-    method @Nullable public CharSequence getVenueFriendlyName();
-    method @Nullable public android.net.Uri getVenueInfoUrl();
-    method public int getVenueInfoUrlSource();
-    method public boolean isCaptive();
-    method public boolean isSessionExtendable();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field public static final int CAPTIVE_PORTAL_DATA_SOURCE_OTHER = 0; // 0x0
-    field public static final int CAPTIVE_PORTAL_DATA_SOURCE_PASSPOINT = 1; // 0x1
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.CaptivePortalData> CREATOR;
-  }
-
-  public static class CaptivePortalData.Builder {
-    ctor public CaptivePortalData.Builder();
-    ctor public CaptivePortalData.Builder(@Nullable android.net.CaptivePortalData);
-    method @NonNull public android.net.CaptivePortalData build();
-    method @NonNull public android.net.CaptivePortalData.Builder setBytesRemaining(long);
-    method @NonNull public android.net.CaptivePortalData.Builder setCaptive(boolean);
-    method @NonNull public android.net.CaptivePortalData.Builder setExpiryTime(long);
-    method @NonNull public android.net.CaptivePortalData.Builder setRefreshTime(long);
-    method @NonNull public android.net.CaptivePortalData.Builder setSessionExtendable(boolean);
-    method @NonNull public android.net.CaptivePortalData.Builder setUserPortalUrl(@Nullable android.net.Uri);
-    method @NonNull public android.net.CaptivePortalData.Builder setUserPortalUrl(@Nullable android.net.Uri, int);
-    method @NonNull public android.net.CaptivePortalData.Builder setVenueFriendlyName(@Nullable CharSequence);
-    method @NonNull public android.net.CaptivePortalData.Builder setVenueInfoUrl(@Nullable android.net.Uri);
-    method @NonNull public android.net.CaptivePortalData.Builder setVenueInfoUrl(@Nullable android.net.Uri, int);
-  }
-
-  public class ConnectivityManager {
-    method @NonNull @RequiresPermission(android.Manifest.permission.PACKET_KEEPALIVE_OFFLOAD) public android.net.SocketKeepalive createNattKeepalive(@NonNull android.net.Network, @NonNull android.os.ParcelFileDescriptor, @NonNull java.net.InetAddress, @NonNull java.net.InetAddress, @NonNull java.util.concurrent.Executor, @NonNull android.net.SocketKeepalive.Callback);
-    method @NonNull @RequiresPermission(android.Manifest.permission.PACKET_KEEPALIVE_OFFLOAD) public android.net.SocketKeepalive createSocketKeepalive(@NonNull android.net.Network, @NonNull java.net.Socket, @NonNull java.util.concurrent.Executor, @NonNull android.net.SocketKeepalive.Callback);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.NETWORK_SETTINGS) public String getCaptivePortalServerUrl();
-    method @Deprecated @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED) public void getLatestTetheringEntitlementResult(int, boolean, @NonNull java.util.concurrent.Executor, @NonNull android.net.ConnectivityManager.OnTetheringEntitlementResultListener);
-    method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.TETHER_PRIVILEGED, android.Manifest.permission.WRITE_SETTINGS}) public boolean isTetheringSupported();
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_FACTORY}) public int registerNetworkProvider(@NonNull android.net.NetworkProvider);
-    method public void registerQosCallback(@NonNull android.net.QosSocketInfo, @NonNull java.util.concurrent.Executor, @NonNull android.net.QosCallback);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED) public void registerTetheringEventCallback(@NonNull java.util.concurrent.Executor, @NonNull android.net.ConnectivityManager.OnTetheringEventCallback);
-    method @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public void requestNetwork(@NonNull android.net.NetworkRequest, int, int, @NonNull android.os.Handler, @NonNull android.net.ConnectivityManager.NetworkCallback);
-    method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_AIRPLANE_MODE, android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK}) public void setAirplaneMode(boolean);
-    method @RequiresPermission(android.Manifest.permission.CONTROL_OEM_PAID_NETWORK_PREFERENCE) public void setOemNetworkPreference(@NonNull android.net.OemNetworkPreferences, @Nullable java.util.concurrent.Executor, @Nullable Runnable);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public boolean shouldAvoidBadWifi();
-    method @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public void startCaptivePortalApp(@NonNull android.net.Network, @NonNull android.os.Bundle);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED) public void startTethering(int, boolean, android.net.ConnectivityManager.OnStartTetheringCallback);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED) public void startTethering(int, boolean, android.net.ConnectivityManager.OnStartTetheringCallback, android.os.Handler);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED) public void stopTethering(int);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_FACTORY}) public void unregisterNetworkProvider(@NonNull android.net.NetworkProvider);
-    method public void unregisterQosCallback(@NonNull android.net.QosCallback);
-    method @Deprecated @RequiresPermission(android.Manifest.permission.TETHER_PRIVILEGED) public void unregisterTetheringEventCallback(@NonNull android.net.ConnectivityManager.OnTetheringEventCallback);
-    field public static final String EXTRA_CAPTIVE_PORTAL_PROBE_SPEC = "android.net.extra.CAPTIVE_PORTAL_PROBE_SPEC";
-    field public static final String EXTRA_CAPTIVE_PORTAL_USER_AGENT = "android.net.extra.CAPTIVE_PORTAL_USER_AGENT";
-    field public static final int TETHERING_BLUETOOTH = 2; // 0x2
-    field public static final int TETHERING_USB = 1; // 0x1
-    field public static final int TETHERING_WIFI = 0; // 0x0
-    field @Deprecated public static final int TETHER_ERROR_ENTITLEMENT_UNKONWN = 13; // 0xd
-    field @Deprecated public static final int TETHER_ERROR_NO_ERROR = 0; // 0x0
-    field @Deprecated public static final int TETHER_ERROR_PROVISION_FAILED = 11; // 0xb
-    field public static final int TYPE_NONE = -1; // 0xffffffff
-    field @Deprecated public static final int TYPE_PROXY = 16; // 0x10
-    field @Deprecated public static final int TYPE_WIFI_P2P = 13; // 0xd
-  }
-
-  @Deprecated public abstract static class ConnectivityManager.OnStartTetheringCallback {
-    ctor @Deprecated public ConnectivityManager.OnStartTetheringCallback();
-    method @Deprecated public void onTetheringFailed();
-    method @Deprecated public void onTetheringStarted();
-  }
-
-  @Deprecated public static interface ConnectivityManager.OnTetheringEntitlementResultListener {
-    method @Deprecated public void onTetheringEntitlementResult(int);
-  }
-
-  @Deprecated public abstract static class ConnectivityManager.OnTetheringEventCallback {
-    ctor @Deprecated public ConnectivityManager.OnTetheringEventCallback();
-    method @Deprecated public void onUpstreamChanged(@Nullable android.net.Network);
-  }
-
-  public final class DscpPolicy implements android.os.Parcelable {
-    method @Nullable public java.net.InetAddress getDestinationAddress();
-    method @Nullable public android.util.Range<java.lang.Integer> getDestinationPortRange();
-    method public int getDscpValue();
-    method public int getPolicyId();
-    method public int getProtocol();
-    method @Nullable public java.net.InetAddress getSourceAddress();
-    method public int getSourcePort();
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.DscpPolicy> CREATOR;
-    field public static final int PROTOCOL_ANY = -1; // 0xffffffff
-    field public static final int SOURCE_PORT_ANY = -1; // 0xffffffff
-  }
-
-  public static final class DscpPolicy.Builder {
-    ctor public DscpPolicy.Builder(int, int);
-    method @NonNull public android.net.DscpPolicy build();
-    method @NonNull public android.net.DscpPolicy.Builder setDestinationAddress(@NonNull java.net.InetAddress);
-    method @NonNull public android.net.DscpPolicy.Builder setDestinationPortRange(@NonNull android.util.Range<java.lang.Integer>);
-    method @NonNull public android.net.DscpPolicy.Builder setProtocol(int);
-    method @NonNull public android.net.DscpPolicy.Builder setSourceAddress(@NonNull java.net.InetAddress);
-    method @NonNull public android.net.DscpPolicy.Builder setSourcePort(int);
-  }
-
-  public final class InvalidPacketException extends java.lang.Exception {
-    ctor public InvalidPacketException(int);
-    method public int getError();
-    field public static final int ERROR_INVALID_IP_ADDRESS = -21; // 0xffffffeb
-    field public static final int ERROR_INVALID_LENGTH = -23; // 0xffffffe9
-    field public static final int ERROR_INVALID_PORT = -22; // 0xffffffea
-  }
-
-  public final class IpConfiguration implements android.os.Parcelable {
-    ctor public IpConfiguration();
-    ctor public IpConfiguration(@NonNull android.net.IpConfiguration);
-    method @NonNull public android.net.IpConfiguration.IpAssignment getIpAssignment();
-    method @NonNull public android.net.IpConfiguration.ProxySettings getProxySettings();
-    method public void setHttpProxy(@Nullable android.net.ProxyInfo);
-    method public void setIpAssignment(@NonNull android.net.IpConfiguration.IpAssignment);
-    method public void setProxySettings(@NonNull android.net.IpConfiguration.ProxySettings);
-    method public void setStaticIpConfiguration(@Nullable android.net.StaticIpConfiguration);
-  }
-
-  public enum IpConfiguration.IpAssignment {
-    enum_constant public static final android.net.IpConfiguration.IpAssignment DHCP;
-    enum_constant public static final android.net.IpConfiguration.IpAssignment STATIC;
-    enum_constant public static final android.net.IpConfiguration.IpAssignment UNASSIGNED;
-  }
-
-  public enum IpConfiguration.ProxySettings {
-    enum_constant public static final android.net.IpConfiguration.ProxySettings NONE;
-    enum_constant public static final android.net.IpConfiguration.ProxySettings PAC;
-    enum_constant public static final android.net.IpConfiguration.ProxySettings STATIC;
-    enum_constant public static final android.net.IpConfiguration.ProxySettings UNASSIGNED;
-  }
-
-  public final class IpPrefix implements android.os.Parcelable {
-    ctor public IpPrefix(@NonNull String);
-  }
-
-  public class KeepalivePacketData {
-    ctor protected KeepalivePacketData(@NonNull java.net.InetAddress, @IntRange(from=0, to=65535) int, @NonNull java.net.InetAddress, @IntRange(from=0, to=65535) int, @NonNull byte[]) throws android.net.InvalidPacketException;
-    method @NonNull public java.net.InetAddress getDstAddress();
-    method public int getDstPort();
-    method @NonNull public byte[] getPacket();
-    method @NonNull public java.net.InetAddress getSrcAddress();
-    method public int getSrcPort();
-  }
-
-  public class LinkAddress implements android.os.Parcelable {
-    ctor public LinkAddress(@NonNull java.net.InetAddress, @IntRange(from=0, to=128) int, int, int);
-    ctor public LinkAddress(@NonNull java.net.InetAddress, @IntRange(from=0, to=128) int, int, int, long, long);
-    ctor public LinkAddress(@NonNull java.net.InetAddress, @IntRange(from=0, to=128) int);
-    ctor public LinkAddress(@NonNull String);
-    ctor public LinkAddress(@NonNull String, int, int);
-    method public long getDeprecationTime();
-    method public long getExpirationTime();
-    method public boolean isGlobalPreferred();
-    method public boolean isIpv4();
-    method public boolean isIpv6();
-    method public boolean isSameAddressAs(@Nullable android.net.LinkAddress);
-    field public static final long LIFETIME_PERMANENT = 9223372036854775807L; // 0x7fffffffffffffffL
-    field public static final long LIFETIME_UNKNOWN = -1L; // 0xffffffffffffffffL
-  }
-
-  public final class LinkProperties implements android.os.Parcelable {
-    ctor public LinkProperties(@Nullable android.net.LinkProperties);
-    ctor public LinkProperties(@Nullable android.net.LinkProperties, boolean);
-    method public boolean addDnsServer(@NonNull java.net.InetAddress);
-    method public boolean addLinkAddress(@NonNull android.net.LinkAddress);
-    method public boolean addPcscfServer(@NonNull java.net.InetAddress);
-    method @NonNull public java.util.List<java.net.InetAddress> getAddresses();
-    method @NonNull public java.util.List<java.lang.String> getAllInterfaceNames();
-    method @NonNull public java.util.List<android.net.LinkAddress> getAllLinkAddresses();
-    method @NonNull public java.util.List<android.net.RouteInfo> getAllRoutes();
-    method @Nullable public android.net.Uri getCaptivePortalApiUrl();
-    method @Nullable public android.net.CaptivePortalData getCaptivePortalData();
-    method @NonNull public java.util.List<java.net.InetAddress> getPcscfServers();
-    method @Nullable public String getTcpBufferSizes();
-    method @NonNull public java.util.List<java.net.InetAddress> getValidatedPrivateDnsServers();
-    method public boolean hasGlobalIpv6Address();
-    method public boolean hasIpv4Address();
-    method public boolean hasIpv4DefaultRoute();
-    method public boolean hasIpv4DnsServer();
-    method public boolean hasIpv6DefaultRoute();
-    method public boolean hasIpv6DnsServer();
-    method public boolean isIpv4Provisioned();
-    method public boolean isIpv6Provisioned();
-    method public boolean isProvisioned();
-    method public boolean isReachable(@NonNull java.net.InetAddress);
-    method public boolean removeDnsServer(@NonNull java.net.InetAddress);
-    method public boolean removeLinkAddress(@NonNull android.net.LinkAddress);
-    method public boolean removeRoute(@NonNull android.net.RouteInfo);
-    method public void setCaptivePortalApiUrl(@Nullable android.net.Uri);
-    method public void setCaptivePortalData(@Nullable android.net.CaptivePortalData);
-    method public void setPcscfServers(@NonNull java.util.Collection<java.net.InetAddress>);
-    method public void setPrivateDnsServerName(@Nullable String);
-    method public void setTcpBufferSizes(@Nullable String);
-    method public void setUsePrivateDns(boolean);
-    method public void setValidatedPrivateDnsServers(@NonNull java.util.Collection<java.net.InetAddress>);
-  }
-
-  public final class NattKeepalivePacketData extends android.net.KeepalivePacketData implements android.os.Parcelable {
-    ctor public NattKeepalivePacketData(@NonNull java.net.InetAddress, int, @NonNull java.net.InetAddress, int, @NonNull byte[]) throws android.net.InvalidPacketException;
-    method public int describeContents();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.NattKeepalivePacketData> CREATOR;
-  }
-
-  public class Network implements android.os.Parcelable {
-    ctor public Network(@NonNull android.net.Network);
-    method public int getNetId();
-    method @NonNull public android.net.Network getPrivateDnsBypassingCopy();
-  }
-
-  public abstract class NetworkAgent {
-    ctor public NetworkAgent(@NonNull android.content.Context, @NonNull android.os.Looper, @NonNull String, @NonNull android.net.NetworkCapabilities, @NonNull android.net.LinkProperties, int, @NonNull android.net.NetworkAgentConfig, @Nullable android.net.NetworkProvider);
-    ctor public NetworkAgent(@NonNull android.content.Context, @NonNull android.os.Looper, @NonNull String, @NonNull android.net.NetworkCapabilities, @NonNull android.net.LinkProperties, @NonNull android.net.NetworkScore, @NonNull android.net.NetworkAgentConfig, @Nullable android.net.NetworkProvider);
-    method @Nullable public android.net.Network getNetwork();
-    method public void markConnected();
-    method public void onAddKeepalivePacketFilter(int, @NonNull android.net.KeepalivePacketData);
-    method public void onAutomaticReconnectDisabled();
-    method public void onBandwidthUpdateRequested();
-    method public void onDscpPolicyStatusUpdated(int, int);
-    method public void onNetworkCreated();
-    method public void onNetworkDestroyed();
-    method public void onNetworkUnwanted();
-    method public void onQosCallbackRegistered(int, @NonNull android.net.QosFilter);
-    method public void onQosCallbackUnregistered(int);
-    method public void onRemoveKeepalivePacketFilter(int);
-    method public void onSaveAcceptUnvalidated(boolean);
-    method public void onSignalStrengthThresholdsUpdated(@NonNull int[]);
-    method public void onStartSocketKeepalive(int, @NonNull java.time.Duration, @NonNull android.net.KeepalivePacketData);
-    method public void onStopSocketKeepalive(int);
-    method public void onValidationStatus(int, @Nullable android.net.Uri);
-    method @NonNull public android.net.Network register();
-    method public void sendAddDscpPolicy(@NonNull android.net.DscpPolicy);
-    method public void sendLinkProperties(@NonNull android.net.LinkProperties);
-    method public void sendNetworkCapabilities(@NonNull android.net.NetworkCapabilities);
-    method public void sendNetworkScore(@NonNull android.net.NetworkScore);
-    method public void sendNetworkScore(@IntRange(from=0, to=99) int);
-    method public final void sendQosCallbackError(int, int);
-    method public final void sendQosSessionAvailable(int, int, @NonNull android.net.QosSessionAttributes);
-    method public final void sendQosSessionLost(int, int, int);
-    method public void sendRemoveAllDscpPolicies();
-    method public void sendRemoveDscpPolicy(int);
-    method public final void sendSocketKeepaliveEvent(int, int);
-    method @Deprecated public void setLegacySubtype(int, @NonNull String);
-    method public void setLingerDuration(@NonNull java.time.Duration);
-    method public void setTeardownDelayMillis(@IntRange(from=0, to=0x1388) int);
-    method public void setUnderlyingNetworks(@Nullable java.util.List<android.net.Network>);
-    method public void unregister();
-    method public void unregisterAfterReplacement(@IntRange(from=0, to=0x1388) int);
-    field public static final int DSCP_POLICY_STATUS_DELETED = 4; // 0x4
-    field public static final int DSCP_POLICY_STATUS_INSUFFICIENT_PROCESSING_RESOURCES = 3; // 0x3
-    field public static final int DSCP_POLICY_STATUS_POLICY_NOT_FOUND = 5; // 0x5
-    field public static final int DSCP_POLICY_STATUS_REQUESTED_CLASSIFIER_NOT_SUPPORTED = 2; // 0x2
-    field public static final int DSCP_POLICY_STATUS_REQUEST_DECLINED = 1; // 0x1
-    field public static final int DSCP_POLICY_STATUS_SUCCESS = 0; // 0x0
-    field public static final int VALIDATION_STATUS_NOT_VALID = 2; // 0x2
-    field public static final int VALIDATION_STATUS_VALID = 1; // 0x1
-  }
-
-  public final class NetworkAgentConfig implements android.os.Parcelable {
-    method public int describeContents();
-    method public int getLegacyType();
-    method @NonNull public String getLegacyTypeName();
-    method public boolean isExplicitlySelected();
-    method public boolean isPartialConnectivityAcceptable();
-    method public boolean isUnvalidatedConnectivityAcceptable();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkAgentConfig> CREATOR;
-  }
-
-  public static final class NetworkAgentConfig.Builder {
-    ctor public NetworkAgentConfig.Builder();
-    method @NonNull public android.net.NetworkAgentConfig build();
-    method @NonNull public android.net.NetworkAgentConfig.Builder setExplicitlySelected(boolean);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setLegacyExtraInfo(@NonNull String);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setLegacySubType(int);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setLegacySubTypeName(@NonNull String);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setLegacyType(int);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setLegacyTypeName(@NonNull String);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setNat64DetectionEnabled(boolean);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setPartialConnectivityAcceptable(boolean);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setProvisioningNotificationEnabled(boolean);
-    method @NonNull public android.net.NetworkAgentConfig.Builder setUnvalidatedConnectivityAcceptable(boolean);
-  }
-
-  public final class NetworkCapabilities implements android.os.Parcelable {
-    method @NonNull public int[] getAdministratorUids();
-    method @Nullable public static String getCapabilityCarrierName(int);
-    method @Nullable public String getSsid();
-    method @NonNull public java.util.Set<java.lang.Integer> getSubscriptionIds();
-    method @NonNull public int[] getTransportTypes();
-    method @Nullable public java.util.List<android.net.Network> getUnderlyingNetworks();
-    method public boolean isPrivateDnsBroken();
-    method public boolean satisfiedByNetworkCapabilities(@Nullable android.net.NetworkCapabilities);
-    field public static final int NET_CAPABILITY_BIP = 31; // 0x1f
-    field public static final int NET_CAPABILITY_NOT_VCN_MANAGED = 28; // 0x1c
-    field public static final int NET_CAPABILITY_OEM_PAID = 22; // 0x16
-    field public static final int NET_CAPABILITY_OEM_PRIVATE = 26; // 0x1a
-    field public static final int NET_CAPABILITY_PARTIAL_CONNECTIVITY = 24; // 0x18
-    field public static final int NET_CAPABILITY_VEHICLE_INTERNAL = 27; // 0x1b
-    field public static final int NET_CAPABILITY_VSIM = 30; // 0x1e
-  }
-
-  public static final class NetworkCapabilities.Builder {
-    ctor public NetworkCapabilities.Builder();
-    ctor public NetworkCapabilities.Builder(@NonNull android.net.NetworkCapabilities);
-    method @NonNull public android.net.NetworkCapabilities.Builder addCapability(int);
-    method @NonNull public android.net.NetworkCapabilities.Builder addEnterpriseId(int);
-    method @NonNull public android.net.NetworkCapabilities.Builder addTransportType(int);
-    method @NonNull public android.net.NetworkCapabilities build();
-    method @NonNull public android.net.NetworkCapabilities.Builder removeCapability(int);
-    method @NonNull public android.net.NetworkCapabilities.Builder removeEnterpriseId(int);
-    method @NonNull public android.net.NetworkCapabilities.Builder removeTransportType(int);
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public android.net.NetworkCapabilities.Builder setAdministratorUids(@NonNull int[]);
-    method @NonNull public android.net.NetworkCapabilities.Builder setLinkDownstreamBandwidthKbps(int);
-    method @NonNull public android.net.NetworkCapabilities.Builder setLinkUpstreamBandwidthKbps(int);
-    method @NonNull public android.net.NetworkCapabilities.Builder setNetworkSpecifier(@Nullable android.net.NetworkSpecifier);
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public android.net.NetworkCapabilities.Builder setOwnerUid(int);
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public android.net.NetworkCapabilities.Builder setRequestorPackageName(@Nullable String);
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public android.net.NetworkCapabilities.Builder setRequestorUid(int);
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_SIGNAL_STRENGTH_WAKEUP) public android.net.NetworkCapabilities.Builder setSignalStrength(int);
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public android.net.NetworkCapabilities.Builder setSsid(@Nullable String);
-    method @NonNull public android.net.NetworkCapabilities.Builder setSubscriptionIds(@NonNull java.util.Set<java.lang.Integer>);
-    method @NonNull public android.net.NetworkCapabilities.Builder setTransportInfo(@Nullable android.net.TransportInfo);
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public android.net.NetworkCapabilities.Builder setUnderlyingNetworks(@Nullable java.util.List<android.net.Network>);
-    method @NonNull public static android.net.NetworkCapabilities.Builder withoutDefaultCapabilities();
-  }
-
-  public class NetworkProvider {
-    ctor public NetworkProvider(@NonNull android.content.Context, @NonNull android.os.Looper, @NonNull String);
-    method @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public void declareNetworkRequestUnfulfillable(@NonNull android.net.NetworkRequest);
-    method public int getProviderId();
-    method public void onNetworkRequestWithdrawn(@NonNull android.net.NetworkRequest);
-    method public void onNetworkRequested(@NonNull android.net.NetworkRequest, @IntRange(from=0, to=99) int, int);
-    method @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public void registerNetworkOffer(@NonNull android.net.NetworkScore, @NonNull android.net.NetworkCapabilities, @NonNull java.util.concurrent.Executor, @NonNull android.net.NetworkProvider.NetworkOfferCallback);
-    method @RequiresPermission(android.Manifest.permission.NETWORK_FACTORY) public void unregisterNetworkOffer(@NonNull android.net.NetworkProvider.NetworkOfferCallback);
-    field public static final int ID_NONE = -1; // 0xffffffff
-  }
-
-  public static interface NetworkProvider.NetworkOfferCallback {
-    method public void onNetworkNeeded(@NonNull android.net.NetworkRequest);
-    method public void onNetworkUnneeded(@NonNull android.net.NetworkRequest);
-  }
-
-  public class NetworkReleasedException extends java.lang.Exception {
-    ctor public NetworkReleasedException();
-  }
-
-  public class NetworkRequest implements android.os.Parcelable {
-    method @Nullable public String getRequestorPackageName();
-    method public int getRequestorUid();
-  }
-
-  public static class NetworkRequest.Builder {
-    method @NonNull @RequiresPermission(android.Manifest.permission.NETWORK_SIGNAL_STRENGTH_WAKEUP) public android.net.NetworkRequest.Builder setSignalStrength(int);
-    method @NonNull public android.net.NetworkRequest.Builder setSubscriptionIds(@NonNull java.util.Set<java.lang.Integer>);
-  }
-
-  public final class NetworkScore implements android.os.Parcelable {
-    method public int describeContents();
-    method public int getKeepConnectedReason();
-    method public int getLegacyInt();
-    method public boolean isExiting();
-    method public boolean isTransportPrimary();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkScore> CREATOR;
-    field public static final int KEEP_CONNECTED_FOR_HANDOVER = 1; // 0x1
-    field public static final int KEEP_CONNECTED_NONE = 0; // 0x0
-  }
-
-  public static final class NetworkScore.Builder {
-    ctor public NetworkScore.Builder();
-    method @NonNull public android.net.NetworkScore build();
-    method @NonNull public android.net.NetworkScore.Builder setExiting(boolean);
-    method @NonNull public android.net.NetworkScore.Builder setKeepConnectedReason(int);
-    method @NonNull public android.net.NetworkScore.Builder setLegacyInt(int);
-    method @NonNull public android.net.NetworkScore.Builder setTransportPrimary(boolean);
-  }
-
-  public final class OemNetworkPreferences implements android.os.Parcelable {
-    method public int describeContents();
-    method @NonNull public java.util.Map<java.lang.String,java.lang.Integer> getNetworkPreferences();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.OemNetworkPreferences> CREATOR;
-    field public static final int OEM_NETWORK_PREFERENCE_OEM_PAID = 1; // 0x1
-    field public static final int OEM_NETWORK_PREFERENCE_OEM_PAID_NO_FALLBACK = 2; // 0x2
-    field public static final int OEM_NETWORK_PREFERENCE_OEM_PAID_ONLY = 3; // 0x3
-    field public static final int OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY = 4; // 0x4
-    field public static final int OEM_NETWORK_PREFERENCE_UNINITIALIZED = 0; // 0x0
-  }
-
-  public static final class OemNetworkPreferences.Builder {
-    ctor public OemNetworkPreferences.Builder();
-    ctor public OemNetworkPreferences.Builder(@NonNull android.net.OemNetworkPreferences);
-    method @NonNull public android.net.OemNetworkPreferences.Builder addNetworkPreference(@NonNull String, int);
-    method @NonNull public android.net.OemNetworkPreferences build();
-    method @NonNull public android.net.OemNetworkPreferences.Builder clearNetworkPreference(@NonNull String);
-  }
-
-  public abstract class QosCallback {
-    ctor public QosCallback();
-    method public void onError(@NonNull android.net.QosCallbackException);
-    method public void onQosSessionAvailable(@NonNull android.net.QosSession, @NonNull android.net.QosSessionAttributes);
-    method public void onQosSessionLost(@NonNull android.net.QosSession);
-  }
-
-  public static class QosCallback.QosCallbackRegistrationException extends java.lang.RuntimeException {
-  }
-
-  public final class QosCallbackException extends java.lang.Exception {
-    ctor public QosCallbackException(@NonNull String);
-    ctor public QosCallbackException(@NonNull Throwable);
-  }
-
-  public abstract class QosFilter {
-    method @NonNull public abstract android.net.Network getNetwork();
-    method public abstract boolean matchesLocalAddress(@NonNull java.net.InetAddress, int, int);
-    method public boolean matchesProtocol(int);
-    method public abstract boolean matchesRemoteAddress(@NonNull java.net.InetAddress, int, int);
-  }
-
-  public final class QosSession implements android.os.Parcelable {
-    ctor public QosSession(int, int);
-    method public int describeContents();
-    method public int getSessionId();
-    method public int getSessionType();
-    method public long getUniqueId();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.QosSession> CREATOR;
-    field public static final int TYPE_EPS_BEARER = 1; // 0x1
-    field public static final int TYPE_NR_BEARER = 2; // 0x2
-  }
-
-  public interface QosSessionAttributes {
-  }
-
-  public final class QosSocketInfo implements android.os.Parcelable {
-    ctor public QosSocketInfo(@NonNull android.net.Network, @NonNull java.net.Socket) throws java.io.IOException;
-    ctor public QosSocketInfo(@NonNull android.net.Network, @NonNull java.net.DatagramSocket) throws java.io.IOException;
-    method public int describeContents();
-    method @NonNull public java.net.InetSocketAddress getLocalSocketAddress();
-    method @NonNull public android.net.Network getNetwork();
-    method @Nullable public java.net.InetSocketAddress getRemoteSocketAddress();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.QosSocketInfo> CREATOR;
-  }
-
-  public final class RouteInfo implements android.os.Parcelable {
-    ctor public RouteInfo(@Nullable android.net.IpPrefix, @Nullable java.net.InetAddress, @Nullable String, int);
-    ctor public RouteInfo(@Nullable android.net.IpPrefix, @Nullable java.net.InetAddress, @Nullable String, int, int);
-    method public int getMtu();
-  }
-
-  public abstract class SocketKeepalive implements java.lang.AutoCloseable {
-    method public final void start(@IntRange(from=0xa, to=0xe10) int, int, @Nullable android.net.Network);
-    field public static final int ERROR_NO_SUCH_SLOT = -33; // 0xffffffdf
-    field public static final int FLAG_AUTOMATIC_ON_OFF = 1; // 0x1
-    field public static final int SUCCESS = 0; // 0x0
-  }
-
-  public class SocketLocalAddressChangedException extends java.lang.Exception {
-    ctor public SocketLocalAddressChangedException();
-  }
-
-  public class SocketNotBoundException extends java.lang.Exception {
-    ctor public SocketNotBoundException();
-  }
-
-  public class SocketNotConnectedException extends java.lang.Exception {
-    ctor public SocketNotConnectedException();
-  }
-
-  public class SocketRemoteAddressChangedException extends java.lang.Exception {
-    ctor public SocketRemoteAddressChangedException();
-  }
-
-  public final class StaticIpConfiguration implements android.os.Parcelable {
-    ctor public StaticIpConfiguration();
-    ctor public StaticIpConfiguration(@Nullable android.net.StaticIpConfiguration);
-    method public void addDnsServer(@NonNull java.net.InetAddress);
-    method public void clear();
-    method @NonNull public java.util.List<android.net.RouteInfo> getRoutes(@Nullable String);
-  }
-
-  public final class TcpKeepalivePacketData extends android.net.KeepalivePacketData implements android.os.Parcelable {
-    ctor public TcpKeepalivePacketData(@NonNull java.net.InetAddress, int, @NonNull java.net.InetAddress, int, @NonNull byte[], int, int, int, int, int, int) throws android.net.InvalidPacketException;
-    method public int describeContents();
-    method public int getIpTos();
-    method public int getIpTtl();
-    method public int getTcpAck();
-    method public int getTcpSeq();
-    method public int getTcpWindow();
-    method public int getTcpWindowScale();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.TcpKeepalivePacketData> CREATOR;
-  }
-
-  public final class VpnTransportInfo implements android.os.Parcelable android.net.TransportInfo {
-    ctor public VpnTransportInfo(int, @Nullable String, boolean, boolean);
-    method public boolean areLongLivedTcpConnectionsExpensive();
-    method public int describeContents();
-    method public int getType();
-    method public boolean isBypassable();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.VpnTransportInfo> CREATOR;
-  }
-
-}
-
-package android.net.apf {
-
-  public final class ApfCapabilities implements android.os.Parcelable {
-    ctor public ApfCapabilities(int, int, int);
-    method public int describeContents();
-    method public static boolean getApfDrop8023Frames();
-    method @NonNull public static int[] getApfEtherTypeBlackList();
-    method public boolean hasDataAccess();
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final android.os.Parcelable.Creator<android.net.apf.ApfCapabilities> CREATOR;
-    field public final int apfPacketFormat;
-    field public final int apfVersionSupported;
-    field public final int maximumApfProgramSize;
-  }
-
-}
-
diff --git a/framework/cronet_disabled/api/system-lint-baseline.txt b/framework/cronet_disabled/api/system-lint-baseline.txt
deleted file mode 100644
index 9a97707..0000000
--- a/framework/cronet_disabled/api/system-lint-baseline.txt
+++ /dev/null
@@ -1 +0,0 @@
-// Baseline format: 1.0
diff --git a/framework/cronet_disabled/api/system-removed.txt b/framework/cronet_disabled/api/system-removed.txt
deleted file mode 100644
index d802177..0000000
--- a/framework/cronet_disabled/api/system-removed.txt
+++ /dev/null
@@ -1 +0,0 @@
-// Signature format: 2.0
diff --git a/framework/src/android/net/ConnectivitySettingsManager.java b/framework/src/android/net/ConnectivitySettingsManager.java
index 67dacb8..ba7df7f 100644
--- a/framework/src/android/net/ConnectivitySettingsManager.java
+++ b/framework/src/android/net/ConnectivitySettingsManager.java
@@ -176,7 +176,9 @@
 
     /**
      * When detecting a captive portal, immediately disconnect from the
-     * network and do not reconnect to that network in the future.
+     * network and do not reconnect to that network in the future; except
+     * on Wear platform companion proxy networks (transport BLUETOOTH)
+     * will stay behind captive portal.
      */
     public static final int CAPTIVE_PORTAL_MODE_AVOID = 2;
 
diff --git a/netd/BpfHandler.cpp b/netd/BpfHandler.cpp
index fc680d9..a090a54 100644
--- a/netd/BpfHandler.cpp
+++ b/netd/BpfHandler.cpp
@@ -85,8 +85,24 @@
     // U bumps the kernel requirement up to 4.14
     if (modules::sdklevel::IsAtLeastU() && !bpf::isAtLeastKernelVersion(4, 14, 0)) abort();
 
-    // V bumps the kernel requirement up to 4.19
-    if (modules::sdklevel::IsAtLeastV() && !bpf::isAtLeastKernelVersion(4, 19, 0)) abort();
+    if (modules::sdklevel::IsAtLeastV()) {
+        // V bumps the kernel requirement up to 4.19
+        // see also: //system/netd/tests/kernel_test.cpp TestKernel419
+        if (!bpf::isAtLeastKernelVersion(4, 19, 0)) abort();
+
+        // Technically already required by U, but only enforce on V+
+        // see also: //system/netd/tests/kernel_test.cpp TestKernel64Bit
+        if (bpf::isKernel32Bit() && bpf::isAtLeastKernelVersion(5, 16, 0)) abort();
+    }
+
+    // Linux 6.1 is highest version supported by U, starting with V new kernels,
+    // ie. 6.2+ we are dropping various kernel/system userspace 32-on-64 hacks
+    // (for example "ANDROID: xfrm: remove in_compat_syscall() checks").
+    // Note: this check/enforcement only applies to *system* userspace code,
+    // it does not affect unprivileged apps, the 32-on-64 compatibility
+    // problems are AFAIK limited to various CAP_NET_ADMIN protected interfaces.
+    // see also: //system/bpf/bpfloader/BpfLoader.cpp main()
+    if (bpf::isUserspace32bit() && bpf::isAtLeastKernelVersion(6, 2, 0)) abort();
 
     // U mandates this mount point (though it should also be the case on T)
     if (modules::sdklevel::IsAtLeastU() && !!strcmp(cg2_path, "/sys/fs/cgroup")) abort();
@@ -214,7 +230,7 @@
     // which might toggle the live stats map and clean it.
     const auto countUidStatsEntries = [chargeUid, &totalEntryCount, &perUidEntryCount](
                                               const StatsKey& key,
-                                              const BpfMap<StatsKey, StatsValue>&) {
+                                              const BpfMapRO<StatsKey, StatsValue>&) {
         if (key.uid == chargeUid) {
             perUidEntryCount++;
         }
@@ -232,9 +248,8 @@
         return -EINVAL;
     }
 
-    BpfMap<StatsKey, StatsValue>& currentMap =
+    BpfMapRO<StatsKey, StatsValue>& currentMap =
             (configuration.value() == SELECT_MAP_A) ? mStatsMapA : mStatsMapB;
-    // HACK: mStatsMapB becomes RW BpfMap here, but countUidStatsEntries doesn't modify so it works
     base::Result<void> res = currentMap.iterate(countUidStatsEntries);
     if (!res.ok()) {
         ALOGE("Failed to count the stats entry in map: %s",
diff --git a/netd/BpfHandler.h b/netd/BpfHandler.h
index a6da4eb..9e69efc 100644
--- a/netd/BpfHandler.h
+++ b/netd/BpfHandler.h
@@ -59,10 +59,10 @@
     bool hasUpdateDeviceStatsPermission(uid_t uid);
 
     BpfMap<uint64_t, UidTagValue> mCookieTagMap;
-    BpfMap<StatsKey, StatsValue> mStatsMapA;
+    BpfMapRO<StatsKey, StatsValue> mStatsMapA;
     BpfMapRO<StatsKey, StatsValue> mStatsMapB;
     BpfMapRO<uint32_t, uint32_t> mConfigurationMap;
-    BpfMap<uint32_t, uint8_t> mUidPermissionMap;
+    BpfMapRO<uint32_t, uint8_t> mUidPermissionMap;
 
     // The limit on the number of stats entries a uid can have in the per uid stats map. BpfHandler
     // will block that specific uid from tagging new sockets after the limit is reached.
diff --git a/netd/BpfHandlerTest.cpp b/netd/BpfHandlerTest.cpp
index f5c9a68..b38fa16 100644
--- a/netd/BpfHandlerTest.cpp
+++ b/netd/BpfHandlerTest.cpp
@@ -49,7 +49,7 @@
     BpfHandler mBh;
     BpfMap<uint64_t, UidTagValue> mFakeCookieTagMap;
     BpfMap<StatsKey, StatsValue> mFakeStatsMapA;
-    BpfMapRO<uint32_t, uint32_t> mFakeConfigurationMap;
+    BpfMap<uint32_t, uint32_t> mFakeConfigurationMap;
     BpfMap<uint32_t, uint8_t> mFakeUidPermissionMap;
 
     void SetUp() {
diff --git a/service-t/native/libs/libnetworkstats/BpfNetworkStats.cpp b/service-t/native/libs/libnetworkstats/BpfNetworkStats.cpp
index fed2979..3101397 100644
--- a/service-t/native/libs/libnetworkstats/BpfNetworkStats.cpp
+++ b/service-t/native/libs/libnetworkstats/BpfNetworkStats.cpp
@@ -41,7 +41,7 @@
 using base::Result;
 
 int bpfGetUidStatsInternal(uid_t uid, StatsValue* stats,
-                           const BpfMap<uint32_t, StatsValue>& appUidStatsMap) {
+                           const BpfMapRO<uint32_t, StatsValue>& appUidStatsMap) {
     auto statsEntry = appUidStatsMap.readValue(uid);
     if (!statsEntry.ok()) {
         *stats = {};
@@ -57,14 +57,14 @@
 }
 
 int bpfGetIfaceStatsInternal(const char* iface, StatsValue* stats,
-                             const BpfMap<uint32_t, StatsValue>& ifaceStatsMap,
-                             const BpfMap<uint32_t, IfaceValue>& ifaceNameMap) {
+                             const BpfMapRO<uint32_t, StatsValue>& ifaceStatsMap,
+                             const BpfMapRO<uint32_t, IfaceValue>& ifaceNameMap) {
     *stats = {};
     int64_t unknownIfaceBytesTotal = 0;
     const auto processIfaceStats =
             [iface, stats, &ifaceNameMap, &unknownIfaceBytesTotal](
                     const uint32_t& key,
-                    const BpfMap<uint32_t, StatsValue>& ifaceStatsMap) -> Result<void> {
+                    const BpfMapRO<uint32_t, StatsValue>& ifaceStatsMap) -> Result<void> {
         char ifname[IFNAMSIZ];
         if (getIfaceNameFromMap(ifaceNameMap, ifaceStatsMap, key, ifname, key,
                                 &unknownIfaceBytesTotal)) {
@@ -90,7 +90,7 @@
 }
 
 int bpfGetIfIndexStatsInternal(uint32_t ifindex, StatsValue* stats,
-                               const BpfMap<uint32_t, StatsValue>& ifaceStatsMap) {
+                               const BpfMapRO<uint32_t, StatsValue>& ifaceStatsMap) {
     auto statsEntry = ifaceStatsMap.readValue(ifindex);
     if (!statsEntry.ok()) {
         *stats = {};
@@ -120,13 +120,13 @@
 }
 
 int parseBpfNetworkStatsDetailInternal(std::vector<stats_line>& lines,
-                                       const BpfMap<StatsKey, StatsValue>& statsMap,
-                                       const BpfMap<uint32_t, IfaceValue>& ifaceMap) {
+                                       const BpfMapRO<StatsKey, StatsValue>& statsMap,
+                                       const BpfMapRO<uint32_t, IfaceValue>& ifaceMap) {
     int64_t unknownIfaceBytesTotal = 0;
     const auto processDetailUidStats =
             [&lines, &unknownIfaceBytesTotal, &ifaceMap](
                     const StatsKey& key,
-                    const BpfMap<StatsKey, StatsValue>& statsMap) -> Result<void> {
+                    const BpfMapRO<StatsKey, StatsValue>& statsMap) -> Result<void> {
         char ifname[IFNAMSIZ];
         if (getIfaceNameFromMap(ifaceMap, statsMap, key.ifaceIndex, ifname, key,
                                 &unknownIfaceBytesTotal)) {
@@ -212,12 +212,12 @@
 }
 
 int parseBpfNetworkStatsDevInternal(std::vector<stats_line>& lines,
-                                    const BpfMap<uint32_t, StatsValue>& statsMap,
-                                    const BpfMap<uint32_t, IfaceValue>& ifaceMap) {
+                                    const BpfMapRO<uint32_t, StatsValue>& statsMap,
+                                    const BpfMapRO<uint32_t, IfaceValue>& ifaceMap) {
     int64_t unknownIfaceBytesTotal = 0;
     const auto processDetailIfaceStats = [&lines, &unknownIfaceBytesTotal, &ifaceMap, &statsMap](
                                              const uint32_t& key, const StatsValue& value,
-                                             const BpfMap<uint32_t, StatsValue>&) {
+                                             const BpfMapRO<uint32_t, StatsValue>&) {
         char ifname[IFNAMSIZ];
         if (getIfaceNameFromMap(ifaceMap, statsMap, key, ifname, key, &unknownIfaceBytesTotal)) {
             return Result<void>();
diff --git a/service-t/native/libs/libnetworkstats/BpfNetworkStatsTest.cpp b/service-t/native/libs/libnetworkstats/BpfNetworkStatsTest.cpp
index 76c56eb..bcc4550 100644
--- a/service-t/native/libs/libnetworkstats/BpfNetworkStatsTest.cpp
+++ b/service-t/native/libs/libnetworkstats/BpfNetworkStatsTest.cpp
@@ -80,19 +80,19 @@
     void SetUp() {
         ASSERT_EQ(0, setrlimitForTest());
 
-        mFakeCookieTagMap = BpfMap<uint64_t, UidTagValue>(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, 0);
+        mFakeCookieTagMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE);
         ASSERT_TRUE(mFakeCookieTagMap.isValid());
 
-        mFakeAppUidStatsMap = BpfMap<uint32_t, StatsValue>(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, 0);
+        mFakeAppUidStatsMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE);
         ASSERT_TRUE(mFakeAppUidStatsMap.isValid());
 
-        mFakeStatsMap = BpfMap<StatsKey, StatsValue>(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, 0);
+        mFakeStatsMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE);
         ASSERT_TRUE(mFakeStatsMap.isValid());
 
-        mFakeIfaceIndexNameMap = BpfMap<uint32_t, IfaceValue>(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, 0);
+        mFakeIfaceIndexNameMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE);
         ASSERT_TRUE(mFakeIfaceIndexNameMap.isValid());
 
-        mFakeIfaceStatsMap = BpfMap<uint32_t, StatsValue>(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, 0);
+        mFakeIfaceStatsMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE);
         ASSERT_TRUE(mFakeIfaceStatsMap.isValid());
     }
 
diff --git a/service-t/native/libs/libnetworkstats/include/netdbpf/BpfNetworkStats.h b/service-t/native/libs/libnetworkstats/include/netdbpf/BpfNetworkStats.h
index ea068fc..8058d05 100644
--- a/service-t/native/libs/libnetworkstats/include/netdbpf/BpfNetworkStats.h
+++ b/service-t/native/libs/libnetworkstats/include/netdbpf/BpfNetworkStats.h
@@ -57,24 +57,25 @@
 
 // For test only
 int bpfGetUidStatsInternal(uid_t uid, StatsValue* stats,
-                           const BpfMap<uint32_t, StatsValue>& appUidStatsMap);
+                           const BpfMapRO<uint32_t, StatsValue>& appUidStatsMap);
 // For test only
 int bpfGetIfaceStatsInternal(const char* iface, StatsValue* stats,
-                             const BpfMap<uint32_t, StatsValue>& ifaceStatsMap,
-                             const BpfMap<uint32_t, IfaceValue>& ifaceNameMap);
+                             const BpfMapRO<uint32_t, StatsValue>& ifaceStatsMap,
+                             const BpfMapRO<uint32_t, IfaceValue>& ifaceNameMap);
 // For test only
 int bpfGetIfIndexStatsInternal(uint32_t ifindex, StatsValue* stats,
-                               const BpfMap<uint32_t, StatsValue>& ifaceStatsMap);
+                               const BpfMapRO<uint32_t, StatsValue>& ifaceStatsMap);
 // For test only
 int parseBpfNetworkStatsDetailInternal(std::vector<stats_line>& lines,
-                                       const BpfMap<StatsKey, StatsValue>& statsMap,
-                                       const BpfMap<uint32_t, IfaceValue>& ifaceMap);
+                                       const BpfMapRO<StatsKey, StatsValue>& statsMap,
+                                       const BpfMapRO<uint32_t, IfaceValue>& ifaceMap);
 // For test only
 int cleanStatsMapInternal(const base::unique_fd& cookieTagMap, const base::unique_fd& tagStatsMap);
 // For test only
 template <class Key>
-int getIfaceNameFromMap(const BpfMap<uint32_t, IfaceValue>& ifaceMap,
-                        const BpfMap<Key, StatsValue>& statsMap, uint32_t ifaceIndex, char* ifname,
+int getIfaceNameFromMap(const BpfMapRO<uint32_t, IfaceValue>& ifaceMap,
+                        const BpfMapRO<Key, StatsValue>& statsMap,
+                        uint32_t ifaceIndex, char* ifname,
                         const Key& curKey, int64_t* unknownIfaceBytesTotal) {
     auto iface = ifaceMap.readValue(ifaceIndex);
     if (!iface.ok()) {
@@ -86,7 +87,7 @@
 }
 
 template <class Key>
-void maybeLogUnknownIface(int ifaceIndex, const BpfMap<Key, StatsValue>& statsMap,
+void maybeLogUnknownIface(int ifaceIndex, const BpfMapRO<Key, StatsValue>& statsMap,
                           const Key& curKey, int64_t* unknownIfaceBytesTotal) {
     // Have we already logged an error?
     if (*unknownIfaceBytesTotal == -1) {
@@ -110,8 +111,8 @@
 
 // For test only
 int parseBpfNetworkStatsDevInternal(std::vector<stats_line>& lines,
-                                    const BpfMap<uint32_t, StatsValue>& statsMap,
-                                    const BpfMap<uint32_t, IfaceValue>& ifaceMap);
+                                    const BpfMapRO<uint32_t, StatsValue>& statsMap,
+                                    const BpfMapRO<uint32_t, IfaceValue>& ifaceMap);
 
 int bpfGetUidStats(uid_t uid, StatsValue* stats);
 int bpfGetIfaceStats(const char* iface, StatsValue* stats);
diff --git a/service-t/src/com/android/server/NetworkStatsServiceInitializer.java b/service-t/src/com/android/server/NetworkStatsServiceInitializer.java
index 82a4fbd..675e5a1 100644
--- a/service-t/src/com/android/server/NetworkStatsServiceInitializer.java
+++ b/service-t/src/com/android/server/NetworkStatsServiceInitializer.java
@@ -22,6 +22,7 @@
 import android.util.Log;
 
 import com.android.modules.utils.build.SdkLevel;
+import com.android.net.module.util.DeviceConfigUtils;
 import com.android.server.net.NetworkStatsService;
 
 /**
@@ -30,6 +31,8 @@
  */
 public final class NetworkStatsServiceInitializer extends SystemService {
     private static final String TAG = NetworkStatsServiceInitializer.class.getSimpleName();
+    private static final String ENABLE_NETWORK_TRACING = "enable_network_tracing";
+    private final boolean mNetworkTracingFlagEnabled;
     private final NetworkStatsService mStatsService;
 
     public NetworkStatsServiceInitializer(Context context) {
@@ -37,6 +40,8 @@
         // Load JNI libraries used by NetworkStatsService and its dependencies
         System.loadLibrary("service-connectivity");
         mStatsService = maybeCreateNetworkStatsService(context);
+        mNetworkTracingFlagEnabled = DeviceConfigUtils.isTetheringFeatureEnabled(
+            context, ENABLE_NETWORK_TRACING);
     }
 
     @Override
@@ -48,11 +53,10 @@
             TrafficStats.init(getContext());
         }
 
-        // The following code registers the Perfetto Network Trace Handler on non-user builds.
-        // The enhanced tracing is intended to be used for debugging and diagnosing issues. This
-        // is conditional on the build type rather than `isDebuggable` to match the system_server
-        // selinux rules which only allow the Perfetto connection under the same circumstances.
-        if (SdkLevel.isAtLeastU() && !Build.TYPE.equals("user")) {
+        // The following code registers the Perfetto Network Trace Handler. The enhanced tracing
+        // is intended to be used for debugging and diagnosing issues. This is enabled by default
+        // on userdebug/eng builds and flag protected in user builds.
+        if (SdkLevel.isAtLeastU() && (mNetworkTracingFlagEnabled || !Build.TYPE.equals("user"))) {
             Log.i(TAG, "Initializing network tracing hooks");
             NetworkStatsService.nativeInitNetworkTracing();
         }
diff --git a/service-t/src/com/android/server/NsdService.java b/service-t/src/com/android/server/NsdService.java
index 468d7bd..93ccb85 100644
--- a/service-t/src/com/android/server/NsdService.java
+++ b/service-t/src/com/android/server/NsdService.java
@@ -26,6 +26,7 @@
 import static android.net.nsd.NsdManager.MDNS_SERVICE_EVENT;
 import static android.net.nsd.NsdManager.RESOLVE_SERVICE_SUCCEEDED;
 import static android.provider.DeviceConfig.NAMESPACE_TETHERING;
+
 import static com.android.modules.utils.build.SdkLevel.isAtLeastU;
 import static com.android.networkstack.apishim.ConstantsShim.REGISTER_NSD_OFFLOAD_ENGINE;
 import static com.android.server.connectivity.mdns.MdnsAdvertiser.AdvertiserMetrics;
@@ -1709,7 +1710,7 @@
                 mMdnsSocketClient, LOGGER.forSubComponent("MdnsDiscoveryManager"));
         handler.post(() -> mMdnsSocketClient.setCallback(mMdnsDiscoveryManager));
         MdnsFeatureFlags flags = new MdnsFeatureFlags.Builder().setIsMdnsOffloadFeatureEnabled(
-                mDeps.isTetheringFeatureNotChickenedOut(
+                mDeps.isTetheringFeatureNotChickenedOut(mContext,
                         MdnsFeatureFlags.NSD_FORCE_DISABLE_MDNS_OFFLOAD)).build();
         mAdvertiser = deps.makeMdnsAdvertiser(handler.getLooper(), mMdnsSocketProvider,
                 new AdvertiserCallback(), LOGGER.forSubComponent("MdnsAdvertiser"), flags);
@@ -1763,8 +1764,8 @@
         /**
          * @see DeviceConfigUtils#isTetheringFeatureNotChickenedOut
          */
-        public boolean isTetheringFeatureNotChickenedOut(String feature) {
-            return DeviceConfigUtils.isTetheringFeatureNotChickenedOut(feature);
+        public boolean isTetheringFeatureNotChickenedOut(Context context, String feature) {
+            return DeviceConfigUtils.isTetheringFeatureNotChickenedOut(context, feature);
         }
 
         /**
diff --git a/service/src/com/android/server/BpfNetMaps.java b/service/src/com/android/server/BpfNetMaps.java
index 4b24aaf..6a34a24 100644
--- a/service/src/com/android/server/BpfNetMaps.java
+++ b/service/src/com/android/server/BpfNetMaps.java
@@ -254,7 +254,7 @@
         if (sInitialized) return;
         if (sEnableJavaBpfMap == null) {
             sEnableJavaBpfMap = SdkLevel.isAtLeastU() ||
-                    DeviceConfigUtils.isTetheringFeatureNotChickenedOut(
+                    DeviceConfigUtils.isTetheringFeatureNotChickenedOut(context,
                             BPF_NET_MAPS_FORCE_DISABLE_JAVA_BPF_MAP);
         }
         Log.d(TAG, "BpfNetMaps is initialized with sEnableJavaBpfMap=" + sEnableJavaBpfMap);
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 3ae3e2d..b5dbf96 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -1427,7 +1427,7 @@
         public CarrierPrivilegeAuthenticator makeCarrierPrivilegeAuthenticator(
                 @NonNull final Context context, @NonNull final TelephonyManager tm) {
             if (isAtLeastT()) {
-                return new CarrierPrivilegeAuthenticator(context, tm);
+                return new CarrierPrivilegeAuthenticator(context, this, tm);
             } else {
                 return null;
             }
@@ -4405,7 +4405,7 @@
                 updateCapabilitiesForNetwork(nai);
             } else if (portalChanged) {
                 if (portal && ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE_AVOID
-                        == getCaptivePortalMode()) {
+                        == getCaptivePortalMode(nai)) {
                     if (DBG) log("Avoiding captive portal network: " + nai.toShortString());
                     nai.onPreventAutomaticReconnect();
                     teardownUnneededNetwork(nai);
@@ -4441,7 +4441,13 @@
             }
         }
 
-        private int getCaptivePortalMode() {
+        private int getCaptivePortalMode(@NonNull NetworkAgentInfo nai) {
+            if (nai.networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_BLUETOOTH) &&
+                    mContext.getPackageManager().hasSystemFeature(FEATURE_WATCH)) {
+                // Do not avoid captive portal when network is wear proxy.
+                return ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE_PROMPT;
+            }
+
             return Settings.Global.getInt(mContext.getContentResolver(),
                     ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE,
                     ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE_PROMPT);
diff --git a/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java b/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java
index 3befcfa..11345d3 100644
--- a/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java
+++ b/service/src/com/android/server/connectivity/AutomaticOnOffKeepaliveTracker.java
@@ -974,7 +974,7 @@
          * @return whether the feature is enabled
          */
         public boolean isTetheringFeatureNotChickenedOut(@NonNull final String name) {
-            return DeviceConfigUtils.isTetheringFeatureNotChickenedOut(name);
+            return DeviceConfigUtils.isTetheringFeatureNotChickenedOut(mContext, name);
         }
 
         /**
diff --git a/service/src/com/android/server/connectivity/CarrierPrivilegeAuthenticator.java b/service/src/com/android/server/connectivity/CarrierPrivilegeAuthenticator.java
index 88aa329..ab7b1a7 100644
--- a/service/src/com/android/server/connectivity/CarrierPrivilegeAuthenticator.java
+++ b/service/src/com/android/server/connectivity/CarrierPrivilegeAuthenticator.java
@@ -16,10 +16,12 @@
 
 package com.android.server.connectivity;
 
-import static android.net.NetworkCapabilities.NET_CAPABILITY_CBS;
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 
+import static com.android.server.connectivity.ConnectivityFlags.CARRIER_SERVICE_CHANGED_USE_CALLBACK;
+
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -44,6 +46,7 @@
 import com.android.networkstack.apishim.common.TelephonyManagerShim;
 import com.android.networkstack.apishim.common.TelephonyManagerShim.CarrierPrivilegesListenerShim;
 import com.android.networkstack.apishim.common.UnsupportedApiLevelException;
+import com.android.server.ConnectivityService;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -55,7 +58,7 @@
  * carrier privileged app that provides the carrier config
  * @hide
  */
-public class CarrierPrivilegeAuthenticator extends BroadcastReceiver {
+public class CarrierPrivilegeAuthenticator {
     private static final String TAG = CarrierPrivilegeAuthenticator.class.getSimpleName();
     private static final boolean DBG = true;
 
@@ -68,86 +71,96 @@
     @GuardedBy("mLock")
     private int mModemCount = 0;
     private final Object mLock = new Object();
-    private final HandlerThread mThread;
     private final Handler mHandler;
     @NonNull
-    private final List<CarrierPrivilegesListenerShim> mCarrierPrivilegesChangedListeners =
-            new ArrayList<>();
+    private final List<PrivilegeListener> mCarrierPrivilegesChangedListeners = new ArrayList<>();
+    private final boolean mUseCallbacksForServiceChanged;
 
     public CarrierPrivilegeAuthenticator(@NonNull final Context c,
+            @NonNull final ConnectivityService.Dependencies deps,
             @NonNull final TelephonyManager t,
             @NonNull final TelephonyManagerShim telephonyManagerShim) {
         mContext = c;
         mTelephonyManager = t;
         mTelephonyManagerShim = telephonyManagerShim;
-        mThread = new HandlerThread(TAG);
-        mThread.start();
-        mHandler = new Handler(mThread.getLooper()) {};
+        final HandlerThread thread = new HandlerThread(TAG);
+        thread.start();
+        mHandler = new Handler(thread.getLooper());
+        mUseCallbacksForServiceChanged = deps.isFeatureEnabled(
+                c, CARRIER_SERVICE_CHANGED_USE_CALLBACK);
+        final IntentFilter filter = new IntentFilter();
+        filter.addAction(TelephonyManager.ACTION_MULTI_SIM_CONFIG_CHANGED);
         synchronized (mLock) {
-            mModemCount = mTelephonyManager.getActiveModemCount();
-            registerForCarrierChanges();
-            updateCarrierServiceUid();
+            // Never unregistered because the system server never stops
+            c.registerReceiver(new BroadcastReceiver() {
+                @Override
+                public void onReceive(final Context context, final Intent intent) {
+                    switch (intent.getAction()) {
+                        case TelephonyManager.ACTION_MULTI_SIM_CONFIG_CHANGED:
+                            simConfigChanged();
+                            break;
+                        default:
+                            Log.d(TAG, "Unknown intent received, action: " + intent.getAction());
+                    }
+                }
+            }, filter, null, mHandler);
+            simConfigChanged();
         }
     }
 
     public CarrierPrivilegeAuthenticator(@NonNull final Context c,
+            @NonNull final ConnectivityService.Dependencies deps,
             @NonNull final TelephonyManager t) {
-        this(c, t, TelephonyManagerShimImpl.newInstance(t));
+        this(c, deps, t, TelephonyManagerShimImpl.newInstance(t));
     }
 
-    /**
-     * Broadcast receiver for ACTION_MULTI_SIM_CONFIG_CHANGED
-     *
-     * <p>The broadcast receiver is registered with mHandler
-     */
-    @Override
-    public void onReceive(Context context, Intent intent) {
-        switch (intent.getAction()) {
-            case TelephonyManager.ACTION_MULTI_SIM_CONFIG_CHANGED:
-                handleActionMultiSimConfigChanged(context, intent);
-                break;
-            default:
-                Log.d(TAG, "Unknown intent received with action: " + intent.getAction());
-        }
-    }
-
-    private void handleActionMultiSimConfigChanged(Context context, Intent intent) {
-        unregisterCarrierPrivilegesListeners();
+    private void simConfigChanged() {
         synchronized (mLock) {
+            unregisterCarrierPrivilegesListeners();
             mModemCount = mTelephonyManager.getActiveModemCount();
+            registerCarrierPrivilegesListeners(mModemCount);
+            if (!mUseCallbacksForServiceChanged) updateCarrierServiceUid();
         }
-        registerCarrierPrivilegesListeners();
-        updateCarrierServiceUid();
     }
 
-    private void registerForCarrierChanges() {
-        final IntentFilter filter = new IntentFilter();
-        filter.addAction(TelephonyManager.ACTION_MULTI_SIM_CONFIG_CHANGED);
-        mContext.registerReceiver(this, filter, null, mHandler);
-        registerCarrierPrivilegesListeners();
+    private class PrivilegeListener implements CarrierPrivilegesListenerShim {
+        public final int mLogicalSlot;
+        PrivilegeListener(final int logicalSlot) {
+            mLogicalSlot = logicalSlot;
+        }
+
+        @Override public void onCarrierPrivilegesChanged(
+                @NonNull List<String> privilegedPackageNames,
+                @NonNull int[] privilegedUids) {
+            if (mUseCallbacksForServiceChanged) return;
+            // Re-trigger the synchronous check (which is also very cheap due
+            // to caching in CarrierPrivilegesTracker). This allows consistency
+            // with the onSubscriptionsChangedListener and broadcasts.
+            updateCarrierServiceUid();
+        }
+
+        @Override
+        public void onCarrierServiceChanged(@Nullable final String carrierServicePackageName,
+                final int carrierServiceUid) {
+            if (!mUseCallbacksForServiceChanged) {
+                // Re-trigger the synchronous check (which is also very cheap due
+                // to caching in CarrierPrivilegesTracker). This allows consistency
+                // with the onSubscriptionsChangedListener and broadcasts.
+                updateCarrierServiceUid();
+                return;
+            }
+            synchronized (mLock) {
+                mCarrierServiceUid.put(mLogicalSlot, carrierServiceUid);
+            }
+        }
     }
 
-    private void registerCarrierPrivilegesListeners() {
+    private void registerCarrierPrivilegesListeners(final int modemCount) {
         final HandlerExecutor executor = new HandlerExecutor(mHandler);
-        int modemCount;
-        synchronized (mLock) {
-            modemCount = mModemCount;
-        }
         try {
             for (int i = 0; i < modemCount; i++) {
-                CarrierPrivilegesListenerShim carrierPrivilegesListener =
-                        new CarrierPrivilegesListenerShim() {
-                            @Override
-                            public void onCarrierPrivilegesChanged(
-                                    @NonNull List<String> privilegedPackageNames,
-                                    @NonNull int[] privilegedUids) {
-                                // Re-trigger the synchronous check (which is also very cheap due
-                                // to caching in CarrierPrivilegesTracker). This allows consistency
-                                // with the onSubscriptionsChangedListener and broadcasts.
-                                updateCarrierServiceUid();
-                            }
-                        };
-                addCarrierPrivilegesListener(i, executor, carrierPrivilegesListener);
+                PrivilegeListener carrierPrivilegesListener = new PrivilegeListener(i);
+                addCarrierPrivilegesListener(executor, carrierPrivilegesListener);
                 mCarrierPrivilegesChangedListeners.add(carrierPrivilegesListener);
             }
         } catch (IllegalArgumentException e) {
@@ -155,24 +168,13 @@
         }
     }
 
-    private void addCarrierPrivilegesListener(int logicalSlotIndex, Executor executor,
-            CarrierPrivilegesListenerShim listener) {
-        try {
-            mTelephonyManagerShim.addCarrierPrivilegesListener(
-                    logicalSlotIndex, executor, listener);
-        } catch (UnsupportedApiLevelException unsupportedApiLevelException) {
-            // Should not happen since CarrierPrivilegeAuthenticator is only used on T+
-            Log.e(TAG, "addCarrierPrivilegesListener API is not available");
+    @GuardedBy("mLock")
+    private void unregisterCarrierPrivilegesListeners() {
+        for (PrivilegeListener carrierPrivilegesListener : mCarrierPrivilegesChangedListeners) {
+            removeCarrierPrivilegesListener(carrierPrivilegesListener);
+            mCarrierServiceUid.delete(carrierPrivilegesListener.mLogicalSlot);
         }
-    }
-
-    private void removeCarrierPrivilegesListener(CarrierPrivilegesListenerShim listener) {
-        try {
-            mTelephonyManagerShim.removeCarrierPrivilegesListener(listener);
-        } catch (UnsupportedApiLevelException unsupportedApiLevelException) {
-            // Should not happen since CarrierPrivilegeAuthenticator is only used on T+
-            Log.e(TAG, "removeCarrierPrivilegesListener API is not available");
-        }
+        mCarrierPrivilegesChangedListeners.clear();
     }
 
     private String getCarrierServicePackageNameForLogicalSlot(int logicalSlotIndex) {
@@ -186,14 +188,6 @@
         return null;
     }
 
-    private void unregisterCarrierPrivilegesListeners() {
-        for (CarrierPrivilegesListenerShim carrierPrivilegesListener :
-                mCarrierPrivilegesChangedListeners) {
-            removeCarrierPrivilegesListener(carrierPrivilegesListener);
-        }
-        mCarrierPrivilegesChangedListeners.clear();
-    }
-
     /**
      * Check if a UID is the carrier service app of the subscription ID in the provided capabilities
      *
@@ -276,4 +270,26 @@
     int getCarrierServicePackageUidForSlot(int slotId) {
         return getUidForPackage(getCarrierServicePackageNameForLogicalSlot(slotId));
     }
+
+    // Helper methods to avoid having to deal with UnsupportedApiLevelException.
+
+    private void addCarrierPrivilegesListener(@NonNull final Executor executor,
+            @NonNull final PrivilegeListener listener) {
+        try {
+            mTelephonyManagerShim.addCarrierPrivilegesListener(listener.mLogicalSlot, executor,
+                    listener);
+        } catch (UnsupportedApiLevelException unsupportedApiLevelException) {
+            // Should not happen since CarrierPrivilegeAuthenticator is only used on T+
+            Log.e(TAG, "addCarrierPrivilegesListener API is not available");
+        }
+    }
+
+    private void removeCarrierPrivilegesListener(PrivilegeListener listener) {
+        try {
+            mTelephonyManagerShim.removeCarrierPrivilegesListener(listener);
+        } catch (UnsupportedApiLevelException unsupportedApiLevelException) {
+            // Should not happen since CarrierPrivilegeAuthenticator is only used on T+
+            Log.e(TAG, "removeCarrierPrivilegesListener API is not available");
+        }
+    }
 }
diff --git a/service/src/com/android/server/connectivity/ClatCoordinator.java b/service/src/com/android/server/connectivity/ClatCoordinator.java
index eb3e7ce..17de146 100644
--- a/service/src/com/android/server/connectivity/ClatCoordinator.java
+++ b/service/src/com/android/server/connectivity/ClatCoordinator.java
@@ -78,7 +78,7 @@
     @VisibleForTesting
     static final int MTU_DELTA = 28;
     @VisibleForTesting
-    static final int CLAT_MAX_MTU = 65536;
+    static final int CLAT_MAX_MTU = 1500 + MTU_DELTA;
 
     // This must match the interface prefix in clatd.c.
     private static final String CLAT_PREFIX = "v4-";
@@ -673,7 +673,7 @@
             throw new IOException("Detect MTU on " + tunIface + " failed: " + e);
         }
         final int mtu = adjustMtu(detectedMtu);
-        Log.i(TAG, "ipv4 mtu is " + mtu);
+        Log.i(TAG, "detected ipv4 mtu of " + detectedMtu + " adjusted to " + mtu);
 
         // Config tun interface mtu, address and bring up.
         try {
diff --git a/service/src/com/android/server/connectivity/ConnectivityFlags.java b/service/src/com/android/server/connectivity/ConnectivityFlags.java
index 9039a14..5aac8f1 100644
--- a/service/src/com/android/server/connectivity/ConnectivityFlags.java
+++ b/service/src/com/android/server/connectivity/ConnectivityFlags.java
@@ -33,6 +33,10 @@
     public static final String NO_REMATCH_ALL_REQUESTS_ON_REGISTER =
             "no_rematch_all_requests_on_register";
 
+    @VisibleForTesting
+    public static final String CARRIER_SERVICE_CHANGED_USE_CALLBACK =
+            "carrier_service_changed_use_callback_version";
+
     private boolean mNoRematchAllRequestsOnRegister;
 
     /**
diff --git a/service/src/com/android/server/connectivity/KeepaliveTracker.java b/service/src/com/android/server/connectivity/KeepaliveTracker.java
index feba821..a51f09f 100644
--- a/service/src/com/android/server/connectivity/KeepaliveTracker.java
+++ b/service/src/com/android/server/connectivity/KeepaliveTracker.java
@@ -993,7 +993,7 @@
          */
         public boolean isAddressTranslationEnabled(@NonNull Context context) {
             return DeviceConfigUtils.isFeatureSupported(context, FEATURE_CLAT_ADDRESS_TRANSLATE)
-                    && DeviceConfigUtils.isTetheringFeatureNotChickenedOut(
+                    && DeviceConfigUtils.isTetheringFeatureNotChickenedOut(context,
                             CONFIG_DISABLE_CLAT_ADDRESS_TRANSLATE);
         }
     }
diff --git a/staticlibs/device/com/android/net/module/util/DeviceConfigUtils.java b/staticlibs/device/com/android/net/module/util/DeviceConfigUtils.java
index 1714f28..27ca7b7 100644
--- a/staticlibs/device/com/android/net/module/util/DeviceConfigUtils.java
+++ b/staticlibs/device/com/android/net/module/util/DeviceConfigUtils.java
@@ -40,6 +40,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.function.Supplier;
 
 /**
  * Utilities for modules to query {@link DeviceConfig} and flags.
@@ -73,6 +74,9 @@
         sNetworkStackModuleVersion = -1;
     }
 
+    private static final int FORCE_ENABLE_FEATURE_FLAG_VALUE = 1;
+    private static final int FORCE_DISABLE_FEATURE_FLAG_VALUE = -1;
+
     private static volatile long sPackageVersion = -1;
     private static long getPackageVersion(@NonNull final Context context) {
         // sPackageVersion may be set by another thread just after this check, but querying the
@@ -189,9 +193,8 @@
      */
     public static boolean isNetworkStackFeatureEnabled(@NonNull Context context,
             @NonNull String name, boolean defaultEnabled) {
-        final long packageVersion = getPackageVersion(context);
-        return isFeatureEnabled(context, packageVersion, NAMESPACE_CONNECTIVITY, name,
-                defaultEnabled);
+        return isFeatureEnabled(NAMESPACE_CONNECTIVITY, name, defaultEnabled,
+                () -> getPackageVersion(context));
     }
 
     /**
@@ -205,7 +208,7 @@
      *
      * If the feature is disabled by default and enabled by flag push, this method should be used.
      * If the feature is enabled by default and disabled by flag push (kill switch),
-     * {@link #isTetheringFeatureNotChickenedOut(String)} should be used.
+     * {@link #isTetheringFeatureNotChickenedOut(Context, String)} should be used.
      *
      * @param context The global context information about an app environment.
      * @param name The name of the property to look up.
@@ -213,17 +216,24 @@
      */
     public static boolean isTetheringFeatureEnabled(@NonNull Context context,
             @NonNull String name) {
-        final long packageVersion = getTetheringModuleVersion(context);
-        return isFeatureEnabled(context, packageVersion, NAMESPACE_TETHERING, name,
-                false /* defaultEnabled */);
+        return isFeatureEnabled(NAMESPACE_TETHERING, name, false /* defaultEnabled */,
+                () -> getTetheringModuleVersion(context));
     }
 
-    private static boolean isFeatureEnabled(@NonNull Context context, long packageVersion,
-            @NonNull String namespace, String name, boolean defaultEnabled) {
-        final int propertyVersion = getDeviceConfigPropertyInt(namespace, name,
-                0 /* default value */);
-        return (propertyVersion == 0 && defaultEnabled)
-                || (propertyVersion != 0 && packageVersion >= (long) propertyVersion);
+    private static boolean isFeatureEnabled(@NonNull String namespace,
+            String name, boolean defaultEnabled, Supplier<Long> packageVersionSupplier) {
+        final int flagValue = getDeviceConfigPropertyInt(namespace, name, 0 /* default value */);
+        switch (flagValue) {
+            case 0:
+                return defaultEnabled;
+            case FORCE_DISABLE_FEATURE_FLAG_VALUE:
+                return false;
+            case FORCE_ENABLE_FEATURE_FLAG_VALUE:
+                return true;
+            default:
+                final long packageVersion = packageVersionSupplier.get();
+                return packageVersion >= (long) flagValue;
+        }
     }
 
     // Guess the tethering module name based on the package prefix of the connectivity resources
@@ -334,42 +344,38 @@
     }
 
     /**
-     * Check whether one specific experimental feature in specific namespace from
-     * {@link DeviceConfig} is not disabled. Feature can be disabled by setting a non-zero
-     * value in the property. If the feature is enabled by default and disabled by flag push
-     * (kill switch), this method should be used. If the feature is disabled by default and
-     * enabled by flag push, {@link #isFeatureEnabled} should be used.
-     *
-     * @param namespace The namespace containing the property to look up.
-     * @param name The name of the property to look up.
-     * @return true if this feature is enabled, or false if disabled.
-     */
-    private static boolean isFeatureNotChickenedOut(String namespace, String name) {
-        final int propertyVersion = getDeviceConfigPropertyInt(namespace, name,
-                0 /* default value */);
-        return propertyVersion == 0;
-    }
-
-    /**
      * Check whether one specific experimental feature in Tethering module from {@link DeviceConfig}
      * is not disabled.
+     * If the feature is enabled by default and disabled by flag push (kill switch), this method
+     * should be used.
+     * If the feature is disabled by default and enabled by flag push,
+     * {@link #isTetheringFeatureEnabled(Context, String)} should be used.
      *
+     * @param context The global context information about an app environment.
      * @param name The name of the property in tethering module to look up.
      * @return true if this feature is enabled, or false if disabled.
      */
-    public static boolean isTetheringFeatureNotChickenedOut(String name) {
-        return isFeatureNotChickenedOut(NAMESPACE_TETHERING, name);
+    public static boolean isTetheringFeatureNotChickenedOut(@NonNull Context context, String name) {
+        return isFeatureEnabled(NAMESPACE_TETHERING, name, true /* defaultEnabled */,
+                () -> getTetheringModuleVersion(context));
     }
 
     /**
      * Check whether one specific experimental feature in NetworkStack module from
      * {@link DeviceConfig} is not disabled.
+     * If the feature is enabled by default and disabled by flag push (kill switch), this method
+     * should be used.
+     * If the feature is disabled by default and enabled by flag push,
+     * {@link #isNetworkStackFeatureEnabled(Context, String)} should be used.
      *
+     * @param context The global context information about an app environment.
      * @param name The name of the property in NetworkStack module to look up.
      * @return true if this feature is enabled, or false if disabled.
      */
-    public static boolean isNetworkStackFeatureNotChickenedOut(String name) {
-        return isFeatureNotChickenedOut(NAMESPACE_CONNECTIVITY, name);
+    public static boolean isNetworkStackFeatureNotChickenedOut(
+            @NonNull Context context, String name) {
+        return isFeatureEnabled(NAMESPACE_CONNECTIVITY, name, true /* defaultEnabled */,
+                () -> getPackageVersion(context));
     }
 
     /**
diff --git a/staticlibs/native/bpf_headers/BpfMapTest.cpp b/staticlibs/native/bpf_headers/BpfMapTest.cpp
index 10afe86..862114d 100644
--- a/staticlibs/native/bpf_headers/BpfMapTest.cpp
+++ b/staticlibs/native/bpf_headers/BpfMapTest.cpp
@@ -107,12 +107,14 @@
     BpfMap<uint32_t, uint32_t> testMap1;
     checkMapInvalid(testMap1);
 
-    BpfMap<uint32_t, uint32_t> testMap2(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC);
+    BpfMap<uint32_t, uint32_t> testMap2;
+    ASSERT_RESULT_OK(testMap2.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC));
     checkMapValid(testMap2);
 }
 
 TEST_F(BpfMapTest, basicHelpers) {
-    BpfMap<uint32_t, uint32_t> testMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC);
+    BpfMap<uint32_t, uint32_t> testMap;
+    ASSERT_RESULT_OK(testMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC));
     uint32_t key = TEST_KEY1;
     uint32_t value_write = TEST_VALUE1;
     writeToMapAndCheck(testMap, key, value_write);
@@ -126,7 +128,8 @@
 }
 
 TEST_F(BpfMapTest, reset) {
-    BpfMap<uint32_t, uint32_t> testMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC);
+    BpfMap<uint32_t, uint32_t> testMap;
+    ASSERT_RESULT_OK(testMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC));
     uint32_t key = TEST_KEY1;
     uint32_t value_write = TEST_VALUE1;
     writeToMapAndCheck(testMap, key, value_write);
@@ -138,7 +141,8 @@
 }
 
 TEST_F(BpfMapTest, moveConstructor) {
-    BpfMap<uint32_t, uint32_t> testMap1(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC);
+    BpfMap<uint32_t, uint32_t> testMap1;
+    ASSERT_RESULT_OK(testMap1.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC));
     BpfMap<uint32_t, uint32_t> testMap2;
     testMap2 = std::move(testMap1);
     uint32_t key = TEST_KEY1;
@@ -149,7 +153,8 @@
 
 TEST_F(BpfMapTest, SetUpMap) {
     EXPECT_NE(0, access(PINNED_MAP_PATH, R_OK));
-    BpfMap<uint32_t, uint32_t> testMap1(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC);
+    BpfMap<uint32_t, uint32_t> testMap1;
+    ASSERT_RESULT_OK(testMap1.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC));
     ASSERT_EQ(0, bpfFdPin(testMap1.getMap(), PINNED_MAP_PATH));
     EXPECT_EQ(0, access(PINNED_MAP_PATH, R_OK));
     checkMapValid(testMap1);
@@ -164,7 +169,8 @@
 }
 
 TEST_F(BpfMapTest, iterate) {
-    BpfMap<uint32_t, uint32_t> testMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC);
+    BpfMap<uint32_t, uint32_t> testMap;
+    ASSERT_RESULT_OK(testMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC));
     populateMap(TEST_MAP_SIZE, testMap);
     int totalCount = 0;
     int totalSum = 0;
@@ -182,7 +188,8 @@
 }
 
 TEST_F(BpfMapTest, iterateWithValue) {
-    BpfMap<uint32_t, uint32_t> testMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC);
+    BpfMap<uint32_t, uint32_t> testMap;
+    ASSERT_RESULT_OK(testMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC));
     populateMap(TEST_MAP_SIZE, testMap);
     int totalCount = 0;
     int totalSum = 0;
@@ -202,7 +209,8 @@
 }
 
 TEST_F(BpfMapTest, mapIsEmpty) {
-    BpfMap<uint32_t, uint32_t> testMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC);
+    BpfMap<uint32_t, uint32_t> testMap;
+    ASSERT_RESULT_OK(testMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC));
     expectMapEmpty(testMap);
     uint32_t key = TEST_KEY1;
     uint32_t value_write = TEST_VALUE1;
@@ -232,7 +240,8 @@
 }
 
 TEST_F(BpfMapTest, mapClear) {
-    BpfMap<uint32_t, uint32_t> testMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE, BPF_F_NO_PREALLOC);
+    BpfMap<uint32_t, uint32_t> testMap;
+    ASSERT_RESULT_OK(testMap.resetMap(BPF_MAP_TYPE_HASH, TEST_MAP_SIZE));
     populateMap(TEST_MAP_SIZE, testMap);
     Result<bool> isEmpty = testMap.isEmpty();
     ASSERT_RESULT_OK(isEmpty);
diff --git a/staticlibs/native/bpf_headers/include/bpf/BpfMap.h b/staticlibs/native/bpf_headers/include/bpf/BpfMap.h
index 3be7067..5d7eb0d 100644
--- a/staticlibs/native/bpf_headers/include/bpf/BpfMap.h
+++ b/staticlibs/native/bpf_headers/include/bpf/BpfMap.h
@@ -48,41 +48,32 @@
 // is not safe to iterate over a map while another thread or process is deleting
 // from it. In this case the iteration can return duplicate entries.
 template <class Key, class Value>
-class BpfMap {
+class BpfMapRO {
   public:
-    BpfMap<Key, Value>() {};
+    BpfMapRO<Key, Value>() {};
 
     // explicitly force no copy constructor, since it would need to dup the fd
     // (later on, for testing, we still make available a copy assignment operator)
-    BpfMap<Key, Value>(const BpfMap<Key, Value>&) = delete;
+    BpfMapRO<Key, Value>(const BpfMapRO<Key, Value>&) = delete;
 
-  private:
-    void abortOnKeyOrValueSizeMismatch() {
+  protected:
+    void abortOnMismatch(bool writable) const {
         if (!mMapFd.ok()) abort();
         if (isAtLeastKernelVersion(4, 14, 0)) {
+            int flags = bpfGetFdMapFlags(mMapFd);
+            if (flags < 0) abort();
+            if (flags & BPF_F_WRONLY) abort();
+            if (writable && (flags & BPF_F_RDONLY)) abort();
             if (bpfGetFdKeySize(mMapFd) != sizeof(Key)) abort();
             if (bpfGetFdValueSize(mMapFd) != sizeof(Value)) abort();
         }
     }
 
-  protected:
-    // flag must be within BPF_OBJ_FLAG_MASK, ie. 0, BPF_F_RDONLY, BPF_F_WRONLY
-    BpfMap<Key, Value>(const char* pathname, uint32_t flags) {
-        mMapFd.reset(mapRetrieve(pathname, flags));
-        abortOnKeyOrValueSizeMismatch();
-    }
-
   public:
-    explicit BpfMap<Key, Value>(const char* pathname) : BpfMap<Key, Value>(pathname, 0) {}
-
-#ifdef BPF_MAP_MAKE_VISIBLE_FOR_TESTING
-    // All bpf maps should be created by the bpfloader, so this constructor
-    // is reserved for tests
-    BpfMap<Key, Value>(bpf_map_type map_type, uint32_t max_entries, uint32_t map_flags = 0) {
-        mMapFd.reset(createMap(map_type, sizeof(Key), sizeof(Value), max_entries, map_flags));
-        if (!mMapFd.ok()) abort();
+    explicit BpfMapRO<Key, Value>(const char* pathname) {
+        mMapFd.reset(mapRetrieveRO(pathname));
+        abortOnMismatch(/* writable */ false);
     }
-#endif
 
     Result<Key> getFirstKey() const {
         Key firstKey;
@@ -100,13 +91,6 @@
         return nextKey;
     }
 
-    Result<void> writeValue(const Key& key, const Value& value, uint64_t flags) {
-        if (writeToMapEntry(mMapFd, &key, &value, flags)) {
-            return ErrnoErrorf("Write to map {} failed", mMapFd.get());
-        }
-        return {};
-    }
-
     Result<Value> readValue(const Key key) const {
         Value value;
         if (findMapEntry(mMapFd, &key, &value)) {
@@ -115,6 +99,155 @@
         return value;
     }
 
+  protected:
+    [[clang::reinitializes]] Result<void> init(const char* path, int fd, bool writable) {
+        mMapFd.reset(fd);
+        if (!mMapFd.ok()) {
+            return ErrnoErrorf("Pinned map not accessible or does not exist: ({})", path);
+        }
+        // Normally we should return an error here instead of calling abort,
+        // but this cannot happen at runtime without a massive code bug (K/V type mismatch)
+        // and as such it's better to just blow the system up and let the developer fix it.
+        // Crashes are much more likely to be noticed than logs and missing functionality.
+        abortOnMismatch(writable);
+        return {};
+    }
+
+  public:
+    // Function that tries to get map from a pinned path.
+    [[clang::reinitializes]] Result<void> init(const char* path) {
+        return init(path, mapRetrieveRO(path), /* writable */ false);
+    }
+
+    // Iterate through the map and handle each key retrieved based on the filter
+    // without modification of map content.
+    Result<void> iterate(
+            const function<Result<void>(const Key& key,
+                                        const BpfMapRO<Key, Value>& map)>& filter) const;
+
+    // Iterate through the map and get each <key, value> pair, handle each <key,
+    // value> pair based on the filter without modification of map content.
+    Result<void> iterateWithValue(
+            const function<Result<void>(const Key& key, const Value& value,
+                                        const BpfMapRO<Key, Value>& map)>& filter) const;
+
+#ifdef BPF_MAP_MAKE_VISIBLE_FOR_TESTING
+    const unique_fd& getMap() const { return mMapFd; };
+
+    // Copy assignment operator - due to need for fd duping, should not be used in non-test code.
+    BpfMapRO<Key, Value>& operator=(const BpfMapRO<Key, Value>& other) {
+        if (this != &other) mMapFd.reset(fcntl(other.mMapFd.get(), F_DUPFD_CLOEXEC, 0));
+        return *this;
+    }
+#else
+    BpfMapRO<Key, Value>& operator=(const BpfMapRO<Key, Value>&) = delete;
+#endif
+
+    // Move assignment operator
+    BpfMapRO<Key, Value>& operator=(BpfMapRO<Key, Value>&& other) noexcept {
+        if (this != &other) {
+            mMapFd = std::move(other.mMapFd);
+            other.reset();
+        }
+        return *this;
+    }
+
+#ifdef BPF_MAP_MAKE_VISIBLE_FOR_TESTING
+    // Note that unique_fd.reset() carefully saves and restores the errno,
+    // and BpfMap.reset() won't touch the errno if passed in fd is negative either,
+    // hence you can do something like BpfMap.reset(systemcall()) and then
+    // check BpfMap.isValid() and look at errno and see why systemcall() failed.
+    [[clang::reinitializes]] void reset(int fd) {
+        mMapFd.reset(fd);
+        if (mMapFd.ok()) abortOnMismatch(/* writable */ false);  // false isn't ideal
+    }
+
+    // unique_fd has an implicit int conversion defined, which combined with the above
+    // reset(int) would result in double ownership of the fd, hence we either need a custom
+    // implementation of reset(unique_fd), or to delete it and thus cause compile failures
+    // to catch this and prevent it.
+    void reset(unique_fd fd) = delete;
+#endif
+
+    [[clang::reinitializes]] void reset() {
+        mMapFd.reset();
+    }
+
+    bool isValid() const { return mMapFd.ok(); }
+
+    Result<bool> isEmpty() const {
+        auto key = getFirstKey();
+        if (key.ok()) return false;
+        if (key.error().code() == ENOENT) return true;
+        return key.error();
+    }
+
+  protected:
+    unique_fd mMapFd;
+};
+
+template <class Key, class Value>
+Result<void> BpfMapRO<Key, Value>::iterate(
+        const function<Result<void>(const Key& key,
+                                    const BpfMapRO<Key, Value>& map)>& filter) const {
+    Result<Key> curKey = getFirstKey();
+    while (curKey.ok()) {
+        const Result<Key>& nextKey = getNextKey(curKey.value());
+        Result<void> status = filter(curKey.value(), *this);
+        if (!status.ok()) return status;
+        curKey = nextKey;
+    }
+    if (curKey.error().code() == ENOENT) return {};
+    return curKey.error();
+}
+
+template <class Key, class Value>
+Result<void> BpfMapRO<Key, Value>::iterateWithValue(
+        const function<Result<void>(const Key& key, const Value& value,
+                                    const BpfMapRO<Key, Value>& map)>& filter) const {
+    Result<Key> curKey = getFirstKey();
+    while (curKey.ok()) {
+        const Result<Key>& nextKey = getNextKey(curKey.value());
+        Result<Value> curValue = readValue(curKey.value());
+        if (!curValue.ok()) return curValue.error();
+        Result<void> status = filter(curKey.value(), curValue.value(), *this);
+        if (!status.ok()) return status;
+        curKey = nextKey;
+    }
+    if (curKey.error().code() == ENOENT) return {};
+    return curKey.error();
+}
+
+template <class Key, class Value>
+class BpfMap : public BpfMapRO<Key, Value> {
+  protected:
+    using BpfMapRO<Key, Value>::mMapFd;
+    using BpfMapRO<Key, Value>::abortOnMismatch;
+
+  public:
+    using BpfMapRO<Key, Value>::getFirstKey;
+    using BpfMapRO<Key, Value>::getNextKey;
+    using BpfMapRO<Key, Value>::readValue;
+
+    BpfMap<Key, Value>() {};
+
+    explicit BpfMap<Key, Value>(const char* pathname) {
+        mMapFd.reset(mapRetrieveRW(pathname));
+        abortOnMismatch(/* writable */ true);
+    }
+
+    // Function that tries to get map from a pinned path.
+    [[clang::reinitializes]] Result<void> init(const char* path) {
+        return BpfMapRO<Key,Value>::init(path, mapRetrieveRW(path), /* writable */ true);
+    }
+
+    Result<void> writeValue(const Key& key, const Value& value, uint64_t flags) {
+        if (writeToMapEntry(mMapFd, &key, &value, flags)) {
+            return ErrnoErrorf("Write to map {} failed", mMapFd.get());
+        }
+        return {};
+    }
+
     Result<void> deleteValue(const Key& key) {
         if (deleteMapEntry(mMapFd, &key)) {
             return ErrnoErrorf("Delete entry from map {} failed", mMapFd.get());
@@ -122,37 +255,33 @@
         return {};
     }
 
-  protected:
-    [[clang::reinitializes]] Result<void> init(const char* path, int fd) {
-        mMapFd.reset(fd);
-        if (!mMapFd.ok()) {
-            return ErrnoErrorf("Pinned map not accessible or does not exist: ({})", path);
+    Result<void> clear() {
+        while (true) {
+            auto key = getFirstKey();
+            if (!key.ok()) {
+                if (key.error().code() == ENOENT) return {};  // empty: success
+                return key.error();                           // Anything else is an error
+            }
+            auto res = deleteValue(key.value());
+            if (!res.ok()) {
+                // Someone else could have deleted the key, so ignore ENOENT
+                if (res.error().code() == ENOENT) continue;
+                ALOGE("Failed to delete data %s", strerror(res.error().code()));
+                return res.error();
+            }
         }
-        // Normally we should return an error here instead of calling abort,
-        // but this cannot happen at runtime without a massive code bug (K/V type mismatch)
-        // and as such it's better to just blow the system up and let the developer fix it.
-        // Crashes are much more likely to be noticed than logs and missing functionality.
-        abortOnKeyOrValueSizeMismatch();
-        return {};
     }
 
-  public:
-    // Function that tries to get map from a pinned path.
-    [[clang::reinitializes]] Result<void> init(const char* path) {
-        return init(path, mapRetrieveRW(path));
-    }
-
-
 #ifdef BPF_MAP_MAKE_VISIBLE_FOR_TESTING
-    // due to Android SELinux limitations which prevent map creation by anyone besides the bpfloader
-    // this should only ever be used by test code, it is equivalent to:
-    //   .reset(createMap(type, keysize, valuesize, max_entries, map_flags)
-    // TODO: derive map_flags from BpfMap vs BpfMapRO
     [[clang::reinitializes]] Result<void> resetMap(bpf_map_type map_type,
-                                                         uint32_t max_entries,
-                                                         uint32_t map_flags = 0) {
-        mMapFd.reset(createMap(map_type, sizeof(Key), sizeof(Value), max_entries, map_flags));
+                                                   uint32_t max_entries,
+                                                   uint32_t map_flags = 0) {
+        if (map_flags & BPF_F_WRONLY) abort();
+        if (map_flags & BPF_F_RDONLY) abort();
+        mMapFd.reset(createMap(map_type, sizeof(Key), sizeof(Value), max_entries,
+                               map_flags));
         if (!mMapFd.ok()) return ErrnoErrorf("Unable to create map.");
+        abortOnMismatch(/* writable */ true);
         return {};
     }
 #endif
@@ -180,72 +309,6 @@
             const function<Result<void>(const Key& key, const Value& value,
                                         BpfMap<Key, Value>& map)>& filter);
 
-#ifdef BPF_MAP_MAKE_VISIBLE_FOR_TESTING
-    const unique_fd& getMap() const { return mMapFd; };
-
-    // Copy assignment operator - due to need for fd duping, should not be used in non-test code.
-    BpfMap<Key, Value>& operator=(const BpfMap<Key, Value>& other) {
-        if (this != &other) mMapFd.reset(fcntl(other.mMapFd.get(), F_DUPFD_CLOEXEC, 0));
-        return *this;
-    }
-#else
-    BpfMap<Key, Value>& operator=(const BpfMap<Key, Value>&) = delete;
-#endif
-
-    // Move assignment operator
-    BpfMap<Key, Value>& operator=(BpfMap<Key, Value>&& other) noexcept {
-        if (this != &other) {
-            mMapFd = std::move(other.mMapFd);
-            other.reset();
-        }
-        return *this;
-    }
-
-    void reset(unique_fd fd) = delete;
-
-#ifdef BPF_MAP_MAKE_VISIBLE_FOR_TESTING
-    // Note that unique_fd.reset() carefully saves and restores the errno,
-    // and BpfMap.reset() won't touch the errno if passed in fd is negative either,
-    // hence you can do something like BpfMap.reset(systemcall()) and then
-    // check BpfMap.isValid() and look at errno and see why systemcall() failed.
-    [[clang::reinitializes]] void reset(int fd) {
-        mMapFd.reset(fd);
-        if (mMapFd.ok()) abortOnKeyOrValueSizeMismatch();
-    }
-#endif
-
-    [[clang::reinitializes]] void reset() {
-        mMapFd.reset();
-    }
-
-    bool isValid() const { return mMapFd.ok(); }
-
-    Result<void> clear() {
-        while (true) {
-            auto key = getFirstKey();
-            if (!key.ok()) {
-                if (key.error().code() == ENOENT) return {};  // empty: success
-                return key.error();                           // Anything else is an error
-            }
-            auto res = deleteValue(key.value());
-            if (!res.ok()) {
-                // Someone else could have deleted the key, so ignore ENOENT
-                if (res.error().code() == ENOENT) continue;
-                ALOGE("Failed to delete data %s", strerror(res.error().code()));
-                return res.error();
-            }
-        }
-    }
-
-    Result<bool> isEmpty() const {
-        auto key = getFirstKey();
-        if (key.ok()) return false;
-        if (key.error().code() == ENOENT) return true;
-        return key.error();
-    }
-
-  private:
-    unique_fd mMapFd;
 };
 
 template <class Key, class Value>
@@ -312,19 +375,5 @@
     return curKey.error();
 }
 
-template <class Key, class Value>
-class BpfMapRO : public BpfMap<Key, Value> {
-  public:
-    BpfMapRO<Key, Value>() {};
-
-    explicit BpfMapRO<Key, Value>(const char* pathname)
-        : BpfMap<Key, Value>(pathname, BPF_F_RDONLY) {}
-
-    // Function that tries to get map from a pinned path.
-    [[clang::reinitializes]] Result<void> init(const char* path) {
-        return BpfMap<Key,Value>::init(path, mapRetrieveRO(path));
-    }
-};
-
 }  // namespace bpf
 }  // namespace android
diff --git a/staticlibs/tests/unit/src/com/android/net/module/util/DeviceConfigUtilsTest.java b/staticlibs/tests/unit/src/com/android/net/module/util/DeviceConfigUtilsTest.java
index befd751..75b6250 100644
--- a/staticlibs/tests/unit/src/com/android/net/module/util/DeviceConfigUtilsTest.java
+++ b/staticlibs/tests/unit/src/com/android/net/module/util/DeviceConfigUtilsTest.java
@@ -232,27 +232,57 @@
     }
 
     @Test
-    public void testIsNetworkStackFeatureEnabled() {
+    public void testIsFeatureEnabled() {
         doReturn(TEST_FLAG_VALUE_STRING).when(() -> DeviceConfig.getProperty(NAMESPACE_CONNECTIVITY,
                 TEST_EXPERIMENT_FLAG));
-        assertTrue(DeviceConfigUtils.isNetworkStackFeatureEnabled(mContext, TEST_EXPERIMENT_FLAG));
-    }
-
-    @Test
-    public void testIsTetheringFeatureEnabled() {
         doReturn(TEST_FLAG_VALUE_STRING).when(() -> DeviceConfig.getProperty(NAMESPACE_TETHERING,
                 TEST_EXPERIMENT_FLAG));
+        assertTrue(DeviceConfigUtils.isNetworkStackFeatureEnabled(mContext, TEST_EXPERIMENT_FLAG));
         assertTrue(DeviceConfigUtils.isTetheringFeatureEnabled(mContext, TEST_EXPERIMENT_FLAG));
     }
-
     @Test
-    public void testFeatureDefaultEnabled() {
+    public void testIsFeatureEnabledFeatureDefaultDisabled() throws Exception {
         doReturn(null).when(() -> DeviceConfig.getProperty(NAMESPACE_CONNECTIVITY,
                 TEST_EXPERIMENT_FLAG));
         doReturn(null).when(() -> DeviceConfig.getProperty(NAMESPACE_TETHERING,
                 TEST_EXPERIMENT_FLAG));
         assertFalse(DeviceConfigUtils.isNetworkStackFeatureEnabled(mContext, TEST_EXPERIMENT_FLAG));
         assertFalse(DeviceConfigUtils.isTetheringFeatureEnabled(mContext, TEST_EXPERIMENT_FLAG));
+
+        // If the flag is unset, package info is not queried
+        verify(mContext, never()).getPackageManager();
+        verify(mContext, never()).getPackageName();
+        verify(mPm, never()).getPackageInfo(anyString(), anyInt());
+    }
+
+    @Test
+    public void testIsFeatureEnabledFeatureForceEnabled() throws Exception {
+        doReturn("1").when(() -> DeviceConfig.getProperty(NAMESPACE_CONNECTIVITY,
+                TEST_EXPERIMENT_FLAG));
+        doReturn("1").when(() -> DeviceConfig.getProperty(NAMESPACE_TETHERING,
+                TEST_EXPERIMENT_FLAG));
+        assertTrue(DeviceConfigUtils.isNetworkStackFeatureEnabled(mContext, TEST_EXPERIMENT_FLAG));
+        assertTrue(DeviceConfigUtils.isTetheringFeatureEnabled(mContext, TEST_EXPERIMENT_FLAG));
+
+        // If the feature is force enabled, package info is not queried
+        verify(mContext, never()).getPackageManager();
+        verify(mContext, never()).getPackageName();
+        verify(mPm, never()).getPackageInfo(anyString(), anyInt());
+    }
+
+    @Test
+    public void testIsFeatureEnabledFeatureForceDisabled() throws Exception {
+        doReturn("-1").when(() -> DeviceConfig.getProperty(NAMESPACE_CONNECTIVITY,
+                TEST_EXPERIMENT_FLAG));
+        doReturn("-1").when(() -> DeviceConfig.getProperty(NAMESPACE_TETHERING,
+                TEST_EXPERIMENT_FLAG));
+        assertFalse(DeviceConfigUtils.isNetworkStackFeatureEnabled(mContext, TEST_EXPERIMENT_FLAG));
+        assertFalse(DeviceConfigUtils.isTetheringFeatureEnabled(mContext, TEST_EXPERIMENT_FLAG));
+
+        // If the feature is force disabled, package info is not queried
+        verify(mContext, never()).getPackageManager();
+        verify(mContext, never()).getPackageName();
+        verify(mPm, never()).getPackageInfo(anyString(), anyInt());
     }
 
     @Test
@@ -419,26 +449,66 @@
     }
 
     @Test
-    public void testIsTetheringFeatureNotChickenedOut() throws Exception {
-        doReturn("0").when(() -> DeviceConfig.getProperty(
-                eq(NAMESPACE_TETHERING), eq(TEST_EXPERIMENT_FLAG)));
-        assertTrue(DeviceConfigUtils.isTetheringFeatureNotChickenedOut(TEST_EXPERIMENT_FLAG));
-
-        doReturn(TEST_FLAG_VALUE_STRING).when(
-                () -> DeviceConfig.getProperty(eq(NAMESPACE_TETHERING), eq(TEST_EXPERIMENT_FLAG)));
-        assertFalse(DeviceConfigUtils.isTetheringFeatureNotChickenedOut(TEST_EXPERIMENT_FLAG));
+    public void testIsFeatureNotChickenedOut() {
+        doReturn(TEST_FLAG_VALUE_STRING).when(() -> DeviceConfig.getProperty(NAMESPACE_CONNECTIVITY,
+                TEST_EXPERIMENT_FLAG));
+        doReturn(TEST_FLAG_VALUE_STRING).when(() -> DeviceConfig.getProperty(NAMESPACE_TETHERING,
+                TEST_EXPERIMENT_FLAG));
+        assertTrue(DeviceConfigUtils.isTetheringFeatureNotChickenedOut(
+                mContext, TEST_EXPERIMENT_FLAG));
+        assertTrue(DeviceConfigUtils.isNetworkStackFeatureNotChickenedOut(
+                mContext, TEST_EXPERIMENT_FLAG));
     }
 
     @Test
-    public void testIsNetworkStackFeatureNotChickenedOut() throws Exception {
-        doReturn("0").when(() -> DeviceConfig.getProperty(
-                eq(NAMESPACE_CONNECTIVITY), eq(TEST_EXPERIMENT_FLAG)));
-        assertTrue(DeviceConfigUtils.isNetworkStackFeatureNotChickenedOut(TEST_EXPERIMENT_FLAG));
+    public void testIsFeatureNotChickenedOutFeatureDefaultEnabled() throws Exception {
+        doReturn(null).when(() -> DeviceConfig.getProperty(NAMESPACE_CONNECTIVITY,
+                TEST_EXPERIMENT_FLAG));
+        doReturn(null).when(() -> DeviceConfig.getProperty(NAMESPACE_TETHERING,
+                TEST_EXPERIMENT_FLAG));
+        assertTrue(DeviceConfigUtils.isTetheringFeatureNotChickenedOut(
+                mContext, TEST_EXPERIMENT_FLAG));
+        assertTrue(DeviceConfigUtils.isNetworkStackFeatureNotChickenedOut(
+                mContext, TEST_EXPERIMENT_FLAG));
 
-        doReturn(TEST_FLAG_VALUE_STRING).when(
-                () -> DeviceConfig.getProperty(eq(NAMESPACE_CONNECTIVITY),
-                                               eq(TEST_EXPERIMENT_FLAG)));
-        assertFalse(DeviceConfigUtils.isNetworkStackFeatureNotChickenedOut(TEST_EXPERIMENT_FLAG));
+        // If the flag is unset, package info is not queried
+        verify(mContext, never()).getPackageManager();
+        verify(mContext, never()).getPackageName();
+        verify(mPm, never()).getPackageInfo(anyString(), anyInt());
+    }
+
+    @Test
+    public void testIsFeatureNotChickenedOutFeatureForceEnabled() throws Exception {
+        doReturn("1").when(() -> DeviceConfig.getProperty(NAMESPACE_CONNECTIVITY,
+                TEST_EXPERIMENT_FLAG));
+        doReturn("1").when(() -> DeviceConfig.getProperty(NAMESPACE_TETHERING,
+                TEST_EXPERIMENT_FLAG));
+        assertTrue(DeviceConfigUtils.isNetworkStackFeatureNotChickenedOut(
+                mContext, TEST_EXPERIMENT_FLAG));
+        assertTrue(DeviceConfigUtils.isTetheringFeatureNotChickenedOut(
+                mContext, TEST_EXPERIMENT_FLAG));
+
+        // If the feature is force enabled, package info is not queried
+        verify(mContext, never()).getPackageManager();
+        verify(mContext, never()).getPackageName();
+        verify(mPm, never()).getPackageInfo(anyString(), anyInt());
+    }
+
+    @Test
+    public void testIsFeatureNotChickenedOutFeatureForceDisabled() throws Exception {
+        doReturn("-1").when(() -> DeviceConfig.getProperty(NAMESPACE_CONNECTIVITY,
+                TEST_EXPERIMENT_FLAG));
+        doReturn("-1").when(() -> DeviceConfig.getProperty(NAMESPACE_TETHERING,
+                TEST_EXPERIMENT_FLAG));
+        assertFalse(DeviceConfigUtils.isNetworkStackFeatureNotChickenedOut(
+                mContext, TEST_EXPERIMENT_FLAG));
+        assertFalse(DeviceConfigUtils.isTetheringFeatureNotChickenedOut(
+                mContext, TEST_EXPERIMENT_FLAG));
+
+        // If the feature is force disabled, package info is not queried
+        verify(mContext, never()).getPackageManager();
+        verify(mContext, never()).getPackageName();
+        verify(mPm, never()).getPackageInfo(anyString(), anyInt());
     }
 
     @Test
diff --git a/staticlibs/tests/unit/src/com/android/net/module/util/netlink/NetlinkUtilsTest.java b/staticlibs/tests/unit/src/com/android/net/module/util/netlink/NetlinkUtilsTest.java
index 3a72dd1..5e9b004 100644
--- a/staticlibs/tests/unit/src/com/android/net/module/util/netlink/NetlinkUtilsTest.java
+++ b/staticlibs/tests/unit/src/com/android/net/module/util/netlink/NetlinkUtilsTest.java
@@ -88,6 +88,11 @@
         if (SdkLevel.isAtLeastT() && targetSdk > 31) {
             var ctxt = new String(Files.readAllBytes(Paths.get("/proc/thread-self/attr/current")));
             assumeFalse("must not be platform app", ctxt.startsWith("u:r:platform_app:s0:"));
+            // NetworkStackCoverageTests uses the same UID with NetworkStack module, which
+            // still has the permission to send RTM_GETNEIGH message (sepolicy just blocks the
+            // access from untrusted_apps), also exclude the NetworkStackCoverageTests.
+            assumeFalse("network_stack context is expected to have permission to send RTM_GETNEIGH",
+                    ctxt.startsWith("u:r:network_stack:s0"));
             try {
                 NetlinkUtils.sendMessage(fd, req, 0, req.length, TEST_TIMEOUT_MS);
                 fail("RTM_GETNEIGH is not allowed for apps targeting SDK > 31 on T+ platforms,"
diff --git a/staticlibs/testutils/devicetests/com/android/testutils/DevSdkIgnoreRunner.kt b/staticlibs/testutils/devicetests/com/android/testutils/DevSdkIgnoreRunner.kt
index 2e73666..2d281fd 100644
--- a/staticlibs/testutils/devicetests/com/android/testutils/DevSdkIgnoreRunner.kt
+++ b/staticlibs/testutils/devicetests/com/android/testutils/DevSdkIgnoreRunner.kt
@@ -19,6 +19,7 @@
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.android.testutils.DevSdkIgnoreRule.IgnoreAfter
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
+import java.lang.reflect.Modifier
 import org.junit.runner.Description
 import org.junit.runner.Runner
 import org.junit.runner.manipulation.Filter
@@ -27,7 +28,7 @@
 import org.junit.runner.manipulation.Sortable
 import org.junit.runner.manipulation.Sorter
 import org.junit.runner.notification.RunNotifier
-import kotlin.jvm.Throws
+import org.junit.runners.Parameterized
 
 /**
  * A runner that can skip tests based on the development SDK as defined in [DevSdkIgnoreRule].
@@ -41,6 +42,9 @@
  * the whole class if they do not match the development SDK as defined in [DevSdkIgnoreRule].
  * Otherwise, it will delegate to [AndroidJUnit4] to run the test as usual.
  *
+ * This class automatically uses the Parameterized runner as its base runner when needed, so the
+ * @Parameterized.Parameters annotation and its friends can be used in tests using this runner.
+ *
  * Example usage:
  *
  *     @RunWith(DevSdkIgnoreRunner::class)
@@ -48,13 +52,34 @@
  *     class MyTestClass { ... }
  */
 class DevSdkIgnoreRunner(private val klass: Class<*>) : Runner(), Filterable, Sortable {
-    private val baseRunner = klass.let {
+    // Inference correctly infers Runner & Filterable & Sortable for |baseRunner|, but the
+    // Java bytecode doesn't have a way to express this. Give this type a name by wrapping it.
+    private class RunnerWrapper<T>(private val wrapped: T) :
+            Runner(), Filterable by wrapped, Sortable by wrapped
+            where T : Runner, T : Filterable, T : Sortable {
+        override fun getDescription(): Description = wrapped.description
+        override fun run(notifier: RunNotifier?) = wrapped.run(notifier)
+    }
+
+    private val baseRunner: RunnerWrapper<*>? = klass.let {
         val ignoreAfter = it.getAnnotation(IgnoreAfter::class.java)
         val ignoreUpTo = it.getAnnotation(IgnoreUpTo::class.java)
 
-        if (isDevSdkInRange(ignoreUpTo, ignoreAfter)) AndroidJUnit4(klass) else null
+        if (!isDevSdkInRange(ignoreUpTo, ignoreAfter)) {
+            null
+        } else if (it.hasParameterizedMethod()) {
+            // Parameterized throws if there is no static method annotated with @Parameters, which
+            // isn't too useful. Use it if there are, otherwise use its base AndroidJUnit4 runner.
+            RunnerWrapper(Parameterized(klass))
+        } else {
+            RunnerWrapper(AndroidJUnit4(klass))
+        }
     }
 
+    private fun <T> Class<T>.hasParameterizedMethod(): Boolean = methods.any {
+        Modifier.isStatic(it.modifiers) &&
+                it.isAnnotationPresent(Parameterized.Parameters::class.java) }
+
     override fun run(notifier: RunNotifier) {
         if (baseRunner != null) {
             baseRunner.run(notifier)
@@ -88,4 +113,4 @@
     override fun sort(sorter: Sorter?) {
         baseRunner?.sort(sorter)
     }
-}
\ No newline at end of file
+}
diff --git a/tests/cts/net/src/android/net/cts/NetworkStatsManagerTest.java b/tests/cts/net/src/android/net/cts/NetworkStatsManagerTest.java
index 7bccbde..6a019b7 100644
--- a/tests/cts/net/src/android/net/cts/NetworkStatsManagerTest.java
+++ b/tests/cts/net/src/android/net/cts/NetworkStatsManagerTest.java
@@ -387,6 +387,7 @@
                 now = System.currentTimeMillis();
             }
         }
+        mCm.unregisterNetworkCallback(callback);
         if (callback.success) {
             mNetworkInterfacesToTest[networkTypeIndex].setMetered(callback.metered);
             mNetworkInterfacesToTest[networkTypeIndex].setRoaming(callback.roaming);
diff --git a/tests/cts/net/src/android/net/cts/NsdManagerDownstreamTetheringTest.kt b/tests/cts/net/src/android/net/cts/NsdManagerDownstreamTetheringTest.kt
index c2bb7cd..f374181 100644
--- a/tests/cts/net/src/android/net/cts/NsdManagerDownstreamTetheringTest.kt
+++ b/tests/cts/net/src/android/net/cts/NsdManagerDownstreamTetheringTest.kt
@@ -23,6 +23,7 @@
 import android.net.TetheringManager.TetheringRequest
 import android.net.nsd.NsdManager
 import android.os.Build
+import android.platform.test.annotations.AppModeFull
 import androidx.test.filters.SmallTest
 import com.android.testutils.ConnectivityModuleTest
 import com.android.testutils.DevSdkIgnoreRule
@@ -41,6 +42,7 @@
 @RunWith(DevSdkIgnoreRunner::class)
 @SmallTest
 @ConnectivityModuleTest
+@AppModeFull(reason = "WifiManager cannot be obtained in instant mode")
 @DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.S_V2)
 class NsdManagerDownstreamTetheringTest : EthernetTetheringTestBase() {
     private val nsdManager by lazy { context.getSystemService(NsdManager::class.java)!! }
diff --git a/tests/cts/net/src/android/net/cts/RateLimitTest.java b/tests/cts/net/src/android/net/cts/RateLimitTest.java
index 5c93738..36b98fc 100644
--- a/tests/cts/net/src/android/net/cts/RateLimitTest.java
+++ b/tests/cts/net/src/android/net/cts/RateLimitTest.java
@@ -36,7 +36,6 @@
 import android.icu.text.MessageFormat;
 import android.net.ConnectivityManager;
 import android.net.ConnectivitySettingsManager;
-import android.net.ConnectivityThread;
 import android.net.InetAddresses;
 import android.net.IpPrefix;
 import android.net.LinkAddress;
@@ -190,19 +189,7 @@
             // whatever happens, don't leave the device in rate limited state.
             ConnectivitySettingsManager.setIngressRateLimitInBytesPerSecond(mContext, -1);
         }
-        if (mSocket == null) {
-            // HACK(b/272147742): dump ConnectivityThread if test initialization failed.
-            final StackTraceElement[] elements = ConnectivityThread.get().getStackTrace();
-            final StringBuilder sb = new StringBuilder();
-            // Skip first element as it includes the invocation of getStackTrace()
-            for (int i = 1; i < elements.length; i++) {
-                sb.append(elements[i]);
-                sb.append("\n");
-            }
-            Log.e(TAG, sb.toString());
-        } else {
-            mSocket.close();
-        }
+        if (mSocket != null) mSocket.close();
         if (mNetworkAgent != null) mNetworkAgent.unregister();
         if (mTunInterface != null) mTunInterface.getFileDescriptor().close();
         if (mCm != null) mCm.unregisterNetworkCallback(mNetworkCallback);
diff --git a/tests/integration/util/com/android/server/NetworkAgentWrapper.java b/tests/integration/util/com/android/server/NetworkAgentWrapper.java
index edd201d..ec09f9e 100644
--- a/tests/integration/util/com/android/server/NetworkAgentWrapper.java
+++ b/tests/integration/util/com/android/server/NetworkAgentWrapper.java
@@ -19,6 +19,7 @@
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_SUSPENDED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_VCN_MANAGED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_VPN;
+import static android.net.NetworkCapabilities.TRANSPORT_BLUETOOTH;
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
 import static android.net.NetworkCapabilities.TRANSPORT_TEST;
@@ -123,6 +124,10 @@
         mNetworkCapabilities.addCapability(NET_CAPABILITY_NOT_VCN_MANAGED);
         mNetworkCapabilities.addTransportType(transport);
         switch (transport) {
+            case TRANSPORT_BLUETOOTH:
+                // Score for Wear companion proxy network; not BLUETOOTH tethering.
+                mScore = new NetworkScore.Builder().setLegacyInt(100).build();
+                break;
             case TRANSPORT_ETHERNET:
                 mScore = new NetworkScore.Builder().setLegacyInt(70).build();
                 break;
diff --git a/tests/mts/bpf_existence_test.cpp b/tests/mts/bpf_existence_test.cpp
index 15263cc..0c424e9 100644
--- a/tests/mts/bpf_existence_test.cpp
+++ b/tests/mts/bpf_existence_test.cpp
@@ -129,6 +129,16 @@
     SHARED "prog_dscpPolicy_schedcls_set_dscp_ether",
 };
 
+// Provided by *current* mainline module for U+ devices
+static const set<string> MAINLINE_FOR_U_PLUS = {
+    NETD "map_netd_packet_trace_enabled_map",
+};
+
+// Provided by *current* mainline module for U+ devices with 5.10+ kernels
+static const set<string> MAINLINE_FOR_U_5_10_PLUS = {
+    NETD "map_netd_packet_trace_ringbuf",
+};
+
 static void addAll(set<string>& a, const set<string>& b) {
     a.insert(b.begin(), b.end());
 }
@@ -171,6 +181,8 @@
 
     // U requires Linux Kernel 4.14+, but nothing (as yet) added or removed in U.
     if (IsAtLeastU()) ASSERT_TRUE(isAtLeastKernelVersion(4, 14, 0));
+    DO_EXPECT(IsAtLeastU(), MAINLINE_FOR_U_PLUS);
+    DO_EXPECT(IsAtLeastU() && isAtLeastKernelVersion(5, 10, 0), MAINLINE_FOR_U_5_10_PLUS);
 
     // V requires Linux Kernel 4.19+, but nothing (as yet) added or removed in V.
     if (IsAtLeastV()) ASSERT_TRUE(isAtLeastKernelVersion(4, 19, 0));
diff --git a/tests/unit/java/com/android/server/ConnectivityServiceTest.java b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
index c8cbce1..eb03157 100755
--- a/tests/unit/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
@@ -30,6 +30,7 @@
 import static android.Manifest.permission.NETWORK_SETUP_WIZARD;
 import static android.Manifest.permission.NETWORK_STACK;
 import static android.Manifest.permission.PACKET_KEEPALIVE_OFFLOAD;
+import static android.Manifest.permission.READ_DEVICE_CONFIG;
 import static android.app.ActivityManager.UidFrozenStateChangedCallback.UID_FROZEN_STATE_FROZEN;
 import static android.app.ActivityManager.UidFrozenStateChangedCallback.UID_FROZEN_STATE_UNFROZEN;
 import static android.app.PendingIntent.FLAG_IMMUTABLE;
@@ -128,6 +129,7 @@
 import static android.net.NetworkCapabilities.REDACT_FOR_LOCAL_MAC_ADDRESS;
 import static android.net.NetworkCapabilities.REDACT_FOR_NETWORK_SETTINGS;
 import static android.net.NetworkCapabilities.REDACT_NONE;
+import static android.net.NetworkCapabilities.TRANSPORT_BLUETOOTH;
 import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
 import static android.net.NetworkCapabilities.TRANSPORT_TEST;
@@ -152,6 +154,7 @@
 import static android.system.OsConstants.IPPROTO_TCP;
 
 import static com.android.server.ConnectivityService.DELAY_DESTROY_FROZEN_SOCKETS_VERSION;
+import static com.android.net.module.util.DeviceConfigUtils.TETHERING_MODULE_NAME;
 import static com.android.server.ConnectivityService.KEY_DESTROY_FROZEN_SOCKETS_VERSION;
 import static com.android.server.ConnectivityService.MAX_NETWORK_REQUESTS_PER_SYSTEM_UID;
 import static com.android.server.ConnectivityService.PREFERENCE_ORDER_MOBILE_DATA_PREFERERRED;
@@ -250,6 +253,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
+import android.content.pm.ModuleInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
@@ -1903,6 +1907,7 @@
         mServiceContext.setPermission(CONTROL_OEM_PAID_NETWORK_PREFERENCE, PERMISSION_GRANTED);
         mServiceContext.setPermission(PACKET_KEEPALIVE_OFFLOAD, PERMISSION_GRANTED);
         mServiceContext.setPermission(CONNECTIVITY_USE_RESTRICTED_NETWORKS, PERMISSION_GRANTED);
+        mServiceContext.setPermission(READ_DEVICE_CONFIG, PERMISSION_GRANTED);
 
         mAlarmManagerThread = new HandlerThread("TestAlarmManager");
         mAlarmManagerThread.start();
@@ -2058,7 +2063,8 @@
 
         @Override
         public CarrierPrivilegeAuthenticator makeCarrierPrivilegeAuthenticator(
-                @NonNull final Context context, @NonNull final TelephonyManager tm) {
+                @NonNull final Context context,
+                @NonNull final TelephonyManager tm) {
             return mDeps.isAtLeastT() ? mCarrierPrivilegeAuthenticator : null;
         }
 
@@ -2150,6 +2156,7 @@
         public boolean isFeatureEnabled(Context context, String name) {
             switch (name) {
                 case ConnectivityFlags.NO_REMATCH_ALL_REQUESTS_ON_REGISTER:
+                case ConnectivityFlags.CARRIER_SERVICE_CHANGED_USE_CALLBACK:
                     return true;
                 case KEY_DESTROY_FROZEN_SOCKETS_VERSION:
                     return true;
@@ -2404,6 +2411,7 @@
         final String myPackageName = mContext.getPackageName();
         final PackageInfo myPackageInfo = mContext.getPackageManager().getPackageInfo(
                 myPackageName, PackageManager.GET_PERMISSIONS);
+        myPackageInfo.setLongVersionCode(9_999_999L);
         doReturn(new String[] {myPackageName}).when(mPackageManager)
                 .getPackagesForUid(Binder.getCallingUid());
         doReturn(myPackageInfo).when(mPackageManager).getPackageInfoAsUser(
@@ -2415,6 +2423,13 @@
                 buildPackageInfo(/* SYSTEM */ false, VPN_UID)
         })).when(mPackageManager).getInstalledPackagesAsUser(eq(GET_PERMISSIONS), anyInt());
 
+        final ModuleInfo moduleInfo = new ModuleInfo();
+        moduleInfo.setPackageName(TETHERING_MODULE_NAME);
+        doReturn(moduleInfo).when(mPackageManager)
+                .getModuleInfo(TETHERING_MODULE_NAME, PackageManager.MODULE_APEX_NAME);
+        doReturn(myPackageInfo).when(mPackageManager)
+                .getPackageInfo(TETHERING_MODULE_NAME, PackageManager.MATCH_APEX);
+
         // Create a fake always-on VPN package.
         final int userId = UserHandle.getCallingUserId();
         final ApplicationInfo applicationInfo = new ApplicationInfo();
@@ -4871,6 +4886,34 @@
     }
 
     @Test
+    public void testNoAvoidCaptivePortalOnWearProxy() throws Exception {
+        // Bring up a BLUETOOTH network which is companion proxy on wear
+        // then set captive portal.
+        mockHasSystemFeature(PackageManager.FEATURE_WATCH, true);
+        setCaptivePortalMode(ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE_AVOID);
+        TestNetworkAgentWrapper btAgent = new TestNetworkAgentWrapper(TRANSPORT_BLUETOOTH);
+        final String firstRedirectUrl = "http://example.com/firstPath";
+
+        btAgent.connectWithCaptivePortal(firstRedirectUrl, false /* privateDnsProbeSent */);
+        btAgent.assertNotDisconnected(TIMEOUT_MS);
+    }
+
+    @Test
+    public void testAvoidCaptivePortalOnBluetooth() throws Exception {
+        // When not on Wear, BLUETOOTH is just regular network,
+        // then set captive portal.
+        mockHasSystemFeature(PackageManager.FEATURE_WATCH, false);
+        setCaptivePortalMode(ConnectivitySettingsManager.CAPTIVE_PORTAL_MODE_AVOID);
+        TestNetworkAgentWrapper btAgent = new TestNetworkAgentWrapper(TRANSPORT_BLUETOOTH);
+        final String firstRedirectUrl = "http://example.com/firstPath";
+
+        btAgent.connectWithCaptivePortal(firstRedirectUrl, false /* privateDnsProbeSent */);
+
+        btAgent.expectDisconnected();
+        btAgent.expectPreventReconnectReceived();
+    }
+
+    @Test
     public void testCaptivePortalApi() throws Exception {
         mServiceContext.setPermission(NETWORK_SETTINGS, PERMISSION_GRANTED);
 
diff --git a/tests/unit/java/com/android/server/connectivity/CarrierPrivilegeAuthenticatorTest.java b/tests/unit/java/com/android/server/connectivity/CarrierPrivilegeAuthenticatorTest.java
index 3849e49..8113626 100644
--- a/tests/unit/java/com/android/server/connectivity/CarrierPrivilegeAuthenticatorTest.java
+++ b/tests/unit/java/com/android/server/connectivity/CarrierPrivilegeAuthenticatorTest.java
@@ -20,12 +20,15 @@
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
 import static android.telephony.TelephonyManager.ACTION_MULTI_SIM_CONFIG_CHANGED;
 
+import static com.android.server.connectivity.ConnectivityFlags.CARRIER_SERVICE_CHANGED_USE_CALLBACK;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.argThat;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.clearInvocations;
@@ -34,9 +37,9 @@
 import static org.mockito.Mockito.verify;
 
 import android.annotation.NonNull;
+import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
-import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.net.NetworkCapabilities;
@@ -49,14 +52,17 @@
 import com.android.networkstack.apishim.TelephonyManagerShimImpl;
 import com.android.networkstack.apishim.common.TelephonyManagerShim.CarrierPrivilegesListenerShim;
 import com.android.networkstack.apishim.common.UnsupportedApiLevelException;
+import com.android.server.ConnectivityService;
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
 import com.android.testutils.DevSdkIgnoreRunner;
 
-import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
 import org.mockito.ArgumentCaptor;
 
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Map;
 
@@ -79,11 +85,13 @@
     @NonNull private TestCarrierPrivilegeAuthenticator mCarrierPrivilegeAuthenticator;
     private final int mCarrierConfigPkgUid = 12345;
     private final String mTestPkg = "com.android.server.connectivity.test";
+    private final BroadcastReceiver mMultiSimBroadcastReceiver;
 
     public class TestCarrierPrivilegeAuthenticator extends CarrierPrivilegeAuthenticator {
         TestCarrierPrivilegeAuthenticator(@NonNull final Context c,
+                @NonNull final ConnectivityService.Dependencies deps,
                 @NonNull final TelephonyManager t) {
-            super(c, t, mTelephonyManagerShim);
+            super(c, deps, t, mTelephonyManagerShim);
         }
         @Override
         protected int getSlotIndex(int subId) {
@@ -92,15 +100,20 @@
         }
     }
 
-    public CarrierPrivilegeAuthenticatorTest() {
+    /** Parameters to test both using callbacks or the old broadcast */
+    @Parameterized.Parameters
+    public static Collection<Boolean> shouldUseCallbacks() {
+        return Arrays.asList(true, false);
+    }
+
+    public CarrierPrivilegeAuthenticatorTest(final boolean useCallbacks) throws Exception {
         mContext = mock(Context.class);
         mTelephonyManager = mock(TelephonyManager.class);
         mTelephonyManagerShim = mock(TelephonyManagerShimImpl.class);
         mPackageManager = mock(PackageManager.class);
-    }
-
-    @Before
-    public void setUp() throws Exception {
+        final ConnectivityService.Dependencies deps = mock(ConnectivityService.Dependencies.class);
+        doReturn(useCallbacks).when(deps).isFeatureEnabled(any() /* context */,
+                eq(CARRIER_SERVICE_CHANGED_USE_CALLBACK));
         doReturn(SUBSCRIPTION_COUNT).when(mTelephonyManager).getActiveModemCount();
         doReturn(mTestPkg).when(mTelephonyManagerShim)
                 .getCarrierServicePackageNameForLogicalSlot(anyInt());
@@ -109,13 +122,13 @@
         applicationInfo.uid = mCarrierConfigPkgUid;
         doReturn(applicationInfo).when(mPackageManager).getApplicationInfo(eq(mTestPkg), anyInt());
         mCarrierPrivilegeAuthenticator =
-                new TestCarrierPrivilegeAuthenticator(mContext, mTelephonyManager);
-    }
-
-    private IntentFilter getIntentFilter() {
-        final ArgumentCaptor<IntentFilter> captor = ArgumentCaptor.forClass(IntentFilter.class);
-        verify(mContext).registerReceiver(any(), captor.capture(), any(), any());
-        return captor.getValue();
+                new TestCarrierPrivilegeAuthenticator(mContext, deps, mTelephonyManager);
+        final ArgumentCaptor<BroadcastReceiver> receiverCaptor =
+                ArgumentCaptor.forClass(BroadcastReceiver.class);
+        verify(mContext).registerReceiver(receiverCaptor.capture(), argThat(filter ->
+                filter.getAction(0).equals(ACTION_MULTI_SIM_CONFIG_CHANGED)
+        ), any() /* broadcast permissions */, any() /* handler */);
+        mMultiSimBroadcastReceiver = receiverCaptor.getValue();
     }
 
     private Map<Integer, CarrierPrivilegesListenerShim> getCarrierPrivilegesListeners() {
@@ -138,15 +151,6 @@
     }
     @Test
     public void testConstructor() throws Exception {
-        verify(mContext).registerReceiver(
-                        eq(mCarrierPrivilegeAuthenticator),
-                        any(IntentFilter.class),
-                        any(),
-                        any());
-        final IntentFilter filter = getIntentFilter();
-        assertEquals(1, filter.countActions());
-        assertTrue(filter.hasAction(ACTION_MULTI_SIM_CONFIG_CHANGED));
-
         // Two listeners originally registered, one for slot 0 and one for slot 1
         final Map<Integer, CarrierPrivilegesListenerShim> initialListeners =
                 getCarrierPrivilegesListeners();
@@ -154,6 +158,8 @@
         assertNotNull(initialListeners.get(1));
         assertEquals(2, initialListeners.size());
 
+        initialListeners.get(0).onCarrierServiceChanged(null, mCarrierConfigPkgUid);
+
         final NetworkCapabilities.Builder ncBuilder = new NetworkCapabilities.Builder()
                 .addTransportType(TRANSPORT_CELLULAR)
                 .setNetworkSpecifier(new TelephonyNetworkSpecifier(0));
@@ -174,8 +180,11 @@
         assertEquals(2, initialListeners.size());
 
         doReturn(1).when(mTelephonyManager).getActiveModemCount();
-        mCarrierPrivilegeAuthenticator.onReceive(
-                mContext, buildTestMultiSimConfigBroadcastIntent());
+
+        // This is a little bit cavalier in that the call to onReceive is not on the handler
+        // thread that was specified in registerReceiver.
+        // TODO : capture the handler and call this on it if this causes flakiness.
+        mMultiSimBroadcastReceiver.onReceive(mContext, buildTestMultiSimConfigBroadcastIntent());
         // Check all listeners have been removed
         for (CarrierPrivilegesListenerShim listener : initialListeners.values()) {
             verify(mTelephonyManagerShim).removeCarrierPrivilegesListener(eq(listener));
@@ -187,6 +196,8 @@
         assertNotNull(newListeners.get(0));
         assertEquals(1, newListeners.size());
 
+        newListeners.get(0).onCarrierServiceChanged(null, mCarrierConfigPkgUid);
+
         final TelephonyNetworkSpecifier specifier = new TelephonyNetworkSpecifier(0);
         final NetworkCapabilities nc = new NetworkCapabilities.Builder()
                 .addTransportType(TRANSPORT_CELLULAR)
@@ -212,6 +223,7 @@
         applicationInfo.uid = mCarrierConfigPkgUid + 1;
         doReturn(applicationInfo).when(mPackageManager).getApplicationInfo(eq(mTestPkg), anyInt());
         listener.onCarrierPrivilegesChanged(Collections.emptyList(), new int[] {});
+        listener.onCarrierServiceChanged(null, applicationInfo.uid);
 
         assertFalse(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
                 mCarrierConfigPkgUid, nc));
@@ -221,6 +233,9 @@
 
     @Test
     public void testDefaultSubscription() throws Exception {
+        final CarrierPrivilegesListenerShim listener = getCarrierPrivilegesListeners().get(0);
+        listener.onCarrierServiceChanged(null, mCarrierConfigPkgUid);
+
         final NetworkCapabilities.Builder ncBuilder = new NetworkCapabilities.Builder();
         ncBuilder.addTransportType(TRANSPORT_CELLULAR);
         assertFalse(mCarrierPrivilegeAuthenticator.hasCarrierPrivilegeForNetworkCapabilities(
diff --git a/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java b/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
index 4158663..88044be 100644
--- a/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
+++ b/tests/unit/java/com/android/server/connectivity/ClatCoordinatorTest.java
@@ -508,10 +508,10 @@
         // Expected mtu is that the detected mtu minus MTU_DELTA(28).
         assertEquals(1372, ClatCoordinator.adjustMtu(1400));
         assertEquals(1472, ClatCoordinator.adjustMtu(ETHER_MTU));
-        assertEquals(65508, ClatCoordinator.adjustMtu(CLAT_MAX_MTU));
+        assertEquals(1500, ClatCoordinator.adjustMtu(CLAT_MAX_MTU));
 
-        // Expected mtu is that CLAT_MAX_MTU(65536) minus MTU_DELTA(28).
-        assertEquals(65508, ClatCoordinator.adjustMtu(CLAT_MAX_MTU + 1 /* over maximum mtu */));
+        // Expected mtu is that CLAT_MAX_MTU(1528) minus MTU_DELTA(28).
+        assertEquals(1500, ClatCoordinator.adjustMtu(CLAT_MAX_MTU + 1 /* over maximum mtu */));
     }
 
     private void verifyDump(final ClatCoordinator coordinator, boolean clatStarted) {
diff --git a/tests/unit/java/com/android/server/connectivityservice/base/CSAgentWrapper.kt b/tests/unit/java/com/android/server/connectivityservice/base/CSAgentWrapper.kt
index 5ae9232..a5a1aeb 100644
--- a/tests/unit/java/com/android/server/connectivityservice/base/CSAgentWrapper.kt
+++ b/tests/unit/java/com/android/server/connectivityservice/base/CSAgentWrapper.kt
@@ -131,4 +131,8 @@
         }
         mgr.unregisterNetworkCallback(cb)
     }
+
+    fun disconnect() {
+        agent.unregister()
+    }
 }
diff --git a/tests/unit/java/com/android/server/connectivityservice/base/CSTest.kt b/tests/unit/java/com/android/server/connectivityservice/base/CSTest.kt
index 68613a6..b11878d 100644
--- a/tests/unit/java/com/android/server/connectivityservice/base/CSTest.kt
+++ b/tests/unit/java/com/android/server/connectivityservice/base/CSTest.kt
@@ -24,13 +24,16 @@
 import android.net.PacProxyManager
 import android.net.RouteInfo
 import android.net.networkstack.NetworkStackClientBase
+import android.os.BatteryStatsManager
 import android.os.Handler
 import android.os.HandlerThread
 import android.os.UserHandle
 import android.os.UserManager
 import android.telephony.TelephonyManager
 import android.testing.TestableContext
+import android.util.ArraySet
 import androidx.test.platform.app.InstrumentationRegistry
+import com.android.internal.app.IBatteryStats
 import com.android.internal.util.test.BroadcastInterceptingContext
 import com.android.modules.utils.build.SdkLevel
 import com.android.networkstack.apishim.common.UnsupportedApiLevelException
@@ -41,6 +44,7 @@
 import com.android.server.connectivity.MultinetworkPolicyTracker
 import com.android.server.connectivity.MultinetworkPolicyTrackerTestDependencies
 import com.android.server.connectivity.ProxyTracker
+import com.android.testutils.visibleOnHandlerThread
 import com.android.testutils.waitForIdle
 import org.mockito.AdditionalAnswers.delegatesTo
 import org.mockito.Mockito.doAnswer
@@ -71,7 +75,7 @@
     init {
         if (!SdkLevel.isAtLeastS()) {
             throw UnsupportedApiLevelException("CSTest subclasses must be annotated to only " +
-                    "run on S+, e.g. @DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)");
+                    "run on S+, e.g. @DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)")
         }
     }
 
@@ -112,6 +116,7 @@
     val proxyTracker = ProxyTracker(context, mock<Handler>(), 16 /* EVENT_PROXY_HAS_CHANGED */)
     val alarmManager = makeMockAlarmManager()
     val systemConfigManager = makeMockSystemConfigManager()
+    val batteryManager = BatteryStatsManager(mock<IBatteryStats>())
     val telephonyManager = mock<TelephonyManager>().also {
         doReturn(true).`when`(it).isDataCapable()
     }
@@ -130,8 +135,10 @@
         override fun makeHandlerThread() = csHandlerThread
         override fun makeProxyTracker(context: Context, connServiceHandler: Handler) = proxyTracker
 
-        override fun makeCarrierPrivilegeAuthenticator(context: Context, tm: TelephonyManager) =
-                if (SdkLevel.isAtLeastT()) mock<CarrierPrivilegeAuthenticator>() else null
+        override fun makeCarrierPrivilegeAuthenticator(
+                context: Context,
+                tm: TelephonyManager
+        ) = if (SdkLevel.isAtLeastT()) mock<CarrierPrivilegeAuthenticator>() else null
 
         private inner class AOOKTDeps(c: Context) : AutomaticOnOffKeepaliveTracker.Dependencies(c) {
             override fun isTetheringFeatureNotChickenedOut(name: String): Boolean {
@@ -150,6 +157,25 @@
         // checking permissions.
         override fun isFeatureEnabled(context: Context?, name: String?) =
                 enabledFeatures[name] ?: fail("Unmocked feature $name, see CSTest.enabledFeatures")
+
+        // Mocked change IDs
+        private val enabledChangeIds = ArraySet<Long>()
+        fun setChangeIdEnabled(enabled: Boolean, changeId: Long) {
+            // enabledChangeIds is read on the handler thread and maybe the test thread, so
+            // make sure both threads see it before continuing.
+            visibleOnHandlerThread(csHandler) {
+                if (enabled) {
+                    enabledChangeIds.add(changeId)
+                } else {
+                    enabledChangeIds.remove(changeId)
+                }
+            }
+        }
+
+        override fun isChangeEnabled(changeId: Long, pkg: String, user: UserHandle) =
+                changeId in enabledChangeIds
+        override fun isChangeEnabled(changeId: Long, uid: Int) =
+                changeId in enabledChangeIds
     }
 
     inner class CSContext(base: Context) : BroadcastInterceptingContext(base) {
@@ -196,6 +222,7 @@
             Context.ACTIVITY_SERVICE -> activityManager
             Context.SYSTEM_CONFIG_SERVICE -> systemConfigManager
             Context.TELEPHONY_SERVICE -> telephonyManager
+            Context.BATTERY_STATS_SERVICE -> batteryManager
             Context.STATS_MANAGER -> null // Stats manager is final and can't be mocked
             else -> super.getSystemService(serviceName)
         }