diff --git a/framework/Android.bp b/framework/Android.bp
index 3553c1f..fdfb108 100644
--- a/framework/Android.bp
+++ b/framework/Android.bp
@@ -26,6 +26,7 @@
 java_library {
     name: "framework-connectivity-protos",
     sdk_version: "module_current",
+    min_sdk_version: "30",
     proto: {
         type: "nano",
     },
@@ -81,11 +82,13 @@
 
 java_sdk_library {
     name: "framework-connectivity",
-    api_only: true,
+    sdk_version: "module_current",
+    min_sdk_version: "30",
     defaults: ["framework-module-defaults"],
     installable: true,
     srcs: [
         ":framework-connectivity-sources",
+        ":net-utils-framework-common-srcs",
     ],
     aidl: {
         include_dirs: [
@@ -97,10 +100,34 @@
             "frameworks/native/aidl/binder", // For PersistableBundle.aidl
         ],
     },
+    impl_only_libs: [
+        // TODO (b/183097033) remove once module_current includes core_platform
+        "stable.core.platform.api.stubs",
+        "framework-tethering.stubs.module_lib",
+        "framework-wifi.stubs.module_lib",
+        "net-utils-device-common",
+    ],
     libs: [
         "unsupportedappusage",
     ],
+    static_libs: [
+        "framework-connectivity-protos",
+    ],
+    jarjar_rules: "jarjar-rules.txt",
     permitted_packages: ["android.net"],
+    impl_library_visibility: [
+        "//packages/modules/Connectivity/Tethering/apex",
+        // In preparation for future move
+        "//packages/modules/Connectivity/apex",
+        "//packages/modules/Connectivity/service",
+        "//frameworks/base/packages/Connectivity/service",
+        "//frameworks/base",
+        "//packages/modules/Connectivity/Tethering/tests/unit",
+    ],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.tethering",
+    ],
 }
 
 cc_defaults {
@@ -109,13 +136,15 @@
         "-Wall",
         "-Werror",
         "-Wno-unused-parameter",
+        // Don't warn about S API usage even with
+        // min_sdk 30: the library is only loaded
+        // on S+ devices
+        "-Wno-unguarded-availability",
         "-Wthread-safety",
     ],
     shared_libs: [
-        "libbase",
         "liblog",
         "libnativehelper",
-        "libnetd_client",
     ],
     header_libs: [
         "dnsproxyd_protocol_headers",
@@ -137,43 +166,15 @@
 
 cc_library_shared {
     name: "libframework-connectivity-jni",
+    min_sdk_version: "30",
     defaults: ["libframework-connectivity-defaults"],
     srcs: [
+        "jni/android_net_NetworkUtils.cpp",
         "jni/onload.cpp",
     ],
     shared_libs: ["libandroid"],
-    static_libs: ["libconnectivityframeworkutils"],
+    stl: "libc++_static",
     apex_available: [
-        "//apex_available:platform",
         "com.android.tethering",
     ],
 }
-
-java_library {
-    name: "framework-connectivity.impl",
-    sdk_version: "module_current",
-    srcs: [
-        ":framework-connectivity-sources",
-    ],
-    aidl: {
-        include_dirs: [
-            "frameworks/base/core/java", // For framework parcelables
-            "frameworks/native/aidl/binder", // For PersistableBundle.aidl
-        ],
-    },
-    libs: [
-        // TODO (b/183097033) remove once module_current includes core_current
-        "stable.core.platform.api.stubs",
-        "framework-tethering",
-        "framework-wifi",
-        "unsupportedappusage",
-    ],
-    static_libs: [
-        "framework-connectivity-protos",
-        "net-utils-device-common",
-    ],
-    jarjar_rules: "jarjar-rules.txt",
-    apex_available: ["com.android.tethering"],
-    installable: true,
-    permitted_packages: ["android.net"],
-}
diff --git a/framework/api/module-lib-current.txt b/framework/api/module-lib-current.txt
index 4a03c15..41c5609 100644
--- a/framework/api/module-lib-current.txt
+++ b/framework/api/module-lib-current.txt
@@ -28,6 +28,14 @@
     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_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_NONE = 0; // 0x0
+    field public static final int BLOCKED_REASON_RESTRICTED_MODE = 8; // 0x8
     field public static final String PRIVATE_DNS_MODE_OFF = "off";
     field public static final String PRIVATE_DNS_MODE_OPPORTUNISTIC = "opportunistic";
     field public static final String PRIVATE_DNS_MODE_PROVIDER_HOSTNAME = "hostname";
diff --git a/framework/api/system-current.txt b/framework/api/system-current.txt
index 9dcc391..593698e 100644
--- a/framework/api/system-current.txt
+++ b/framework/api/system-current.txt
@@ -218,6 +218,8 @@
     method public void onAddKeepalivePacketFilter(int, @NonNull android.net.KeepalivePacketData);
     method public void onAutomaticReconnectDisabled();
     method public void onBandwidthUpdateRequested();
+    method public void onNetworkCreated();
+    method public void onNetworkDisconnected();
     method public void onNetworkUnwanted();
     method public void onQosCallbackRegistered(int, @NonNull android.net.QosFilter);
     method public void onQosCallbackUnregistered(int);
@@ -232,8 +234,8 @@
     method public final void sendNetworkCapabilities(@NonNull android.net.NetworkCapabilities);
     method public final void sendNetworkScore(@IntRange(from=0, to=99) int);
     method public final void sendQosCallbackError(int, int);
-    method public final void sendQosSessionAvailable(int, int, @NonNull android.telephony.data.EpsBearerQosSessionAttributes);
-    method public final void sendQosSessionLost(int, int);
+    method public final void sendQosSessionAvailable(int, int, @NonNull android.net.QosSessionAttributes);
+    method public final void sendQosSessionLost(int, int, int);
     method public final void sendSocketKeepaliveEvent(int, int);
     method @Deprecated public void setLegacySubtype(int, @NonNull String);
     method public final void setUnderlyingNetworks(@Nullable java.util.List<android.net.Network>);
@@ -385,6 +387,7 @@
     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 {
diff --git a/framework/jni/android_net_NetworkUtils.cpp b/framework/jni/android_net_NetworkUtils.cpp
index fd4d9db..e8bb42d 100644
--- a/framework/jni/android_net_NetworkUtils.cpp
+++ b/framework/jni/android_net_NetworkUtils.cpp
@@ -37,7 +37,6 @@
 #include <utils/Log.h>
 #include <utils/misc.h>
 
-#include "NetdClient.h"
 #include "jni.h"
 
 extern "C" {
@@ -113,14 +112,14 @@
 }
 
 static jboolean android_net_utils_bindProcessToNetworkForHostResolution(JNIEnv *env, jobject thiz,
-        jint netId)
+        jint netId, jlong netHandle)
 {
-    return (jboolean) !setNetworkForResolv(netId);
+    return (jboolean) !android_setprocdns(netHandle);
 }
 
-static jint android_net_utils_bindSocketToNetwork(JNIEnv *env, jobject thiz, jobject javaFd,
-                                                  jint netId) {
-    return setNetworkForSocket(netId, AFileDescriptor_getFD(env, javaFd));
+static jint android_net_utils_bindSocketToNetworkHandle(JNIEnv *env, jobject thiz, jobject javaFd,
+                                                  jlong netHandle) {
+    return android_setsocknetwork(netHandle, AFileDescriptor_getFD(env, javaFd));
 }
 
 static bool checkLenAndCopy(JNIEnv* env, const jbyteArray& addr, int len, void* dst)
@@ -132,7 +131,7 @@
     return true;
 }
 
-static jobject android_net_utils_resNetworkQuery(JNIEnv *env, jobject thiz, jint netId,
+static jobject android_net_utils_resNetworkQuery(JNIEnv *env, jobject thiz, jlong netHandle,
         jstring dname, jint ns_class, jint ns_type, jint flags) {
     const jsize javaCharsCount = env->GetStringLength(dname);
     const jsize byteCountUTF8 = env->GetStringUTFLength(dname);
@@ -142,7 +141,8 @@
     std::vector<char> queryname(byteCountUTF8 + 1, 0);
 
     env->GetStringUTFRegion(dname, 0, javaCharsCount, queryname.data());
-    int fd = resNetworkQuery(netId, queryname.data(), ns_class, ns_type, flags);
+
+    int fd = android_res_nquery(netHandle, queryname.data(), ns_class, ns_type, flags);
 
     if (fd < 0) {
         jniThrowErrnoException(env, "resNetworkQuery", -fd);
@@ -152,12 +152,12 @@
     return jniCreateFileDescriptor(env, fd);
 }
 
-static jobject android_net_utils_resNetworkSend(JNIEnv *env, jobject thiz, jint netId,
+static jobject android_net_utils_resNetworkSend(JNIEnv *env, jobject thiz, jlong netHandle,
         jbyteArray msg, jint msgLen, jint flags) {
     uint8_t data[MAXCMDSIZE];
 
     checkLenAndCopy(env, msg, msgLen, data);
-    int fd = resNetworkSend(netId, data, msgLen, flags);
+    int fd = android_res_nsend(netHandle, data, msgLen, flags);
 
     if (fd < 0) {
         jniThrowErrnoException(env, "resNetworkSend", -fd);
@@ -172,7 +172,7 @@
     int rcode;
     std::vector<uint8_t> buf(MAXPACKETSIZE, 0);
 
-    int res = resNetworkResult(fd, &rcode, buf.data(), MAXPACKETSIZE);
+    int res = android_res_nresult(fd, &rcode, buf.data(), MAXPACKETSIZE);
     jniSetFileDescriptorOfFD(env, javaFd, -1);
     if (res < 0) {
         jniThrowErrnoException(env, "resNetworkResult", -res);
@@ -196,23 +196,22 @@
 
 static void android_net_utils_resNetworkCancel(JNIEnv *env, jobject thiz, jobject javaFd) {
     int fd = AFileDescriptor_getFD(env, javaFd);
-    resNetworkCancel(fd);
+    android_res_cancel(fd);
     jniSetFileDescriptorOfFD(env, javaFd, -1);
 }
 
 static jobject android_net_utils_getDnsNetwork(JNIEnv *env, jobject thiz) {
-    unsigned dnsNetId = 0;
-    if (int res = getNetworkForDns(&dnsNetId) < 0) {
-        jniThrowErrnoException(env, "getDnsNetId", -res);
+    net_handle_t dnsNetHandle = NETWORK_UNSPECIFIED;
+    if (int res = android_getprocdns(&dnsNetHandle) < 0) {
+        jniThrowErrnoException(env, "getDnsNetwork", -res);
         return nullptr;
     }
-    bool privateDnsBypass = dnsNetId & NETID_USE_LOCAL_NAMESERVERS;
 
     static jclass class_Network = MakeGlobalRefOrDie(
             env, FindClassOrDie(env, "android/net/Network"));
-    static jmethodID ctor = env->GetMethodID(class_Network, "<init>", "(IZ)V");
-    return env->NewObject(
-            class_Network, ctor, dnsNetId & ~NETID_USE_LOCAL_NAMESERVERS, privateDnsBypass);
+    static jmethodID method = env->GetStaticMethodID(class_Network, "fromNetworkHandle",
+            "(J)Landroid/net/Network;");
+    return env->CallStaticObjectMethod(class_Network, method, static_cast<jlong>(dnsNetHandle));
 }
 
 static jobject android_net_utils_getTcpRepairWindow(JNIEnv *env, jobject thiz, jobject javaFd) {
@@ -261,12 +260,12 @@
     { "bindProcessToNetworkHandle", "(J)Z", (void*) android_net_utils_bindProcessToNetworkHandle },
     { "getBoundNetworkHandleForProcess", "()J", (void*) android_net_utils_getBoundNetworkHandleForProcess },
     { "bindProcessToNetworkForHostResolution", "(I)Z", (void*) android_net_utils_bindProcessToNetworkForHostResolution },
-    { "bindSocketToNetwork", "(Ljava/io/FileDescriptor;I)I", (void*) android_net_utils_bindSocketToNetwork },
+    { "bindSocketToNetworkHandle", "(Ljava/io/FileDescriptor;J)I", (void*) android_net_utils_bindSocketToNetworkHandle },
     { "attachDropAllBPFFilter", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_attachDropAllBPFFilter },
     { "detachBPFFilter", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_detachBPFFilter },
     { "getTcpRepairWindow", "(Ljava/io/FileDescriptor;)Landroid/net/TcpRepairWindow;", (void*) android_net_utils_getTcpRepairWindow },
-    { "resNetworkSend", "(I[BII)Ljava/io/FileDescriptor;", (void*) android_net_utils_resNetworkSend },
-    { "resNetworkQuery", "(ILjava/lang/String;III)Ljava/io/FileDescriptor;", (void*) android_net_utils_resNetworkQuery },
+    { "resNetworkSend", "(J[BII)Ljava/io/FileDescriptor;", (void*) android_net_utils_resNetworkSend },
+    { "resNetworkQuery", "(JLjava/lang/String;III)Ljava/io/FileDescriptor;", (void*) android_net_utils_resNetworkQuery },
     { "resNetworkResult", "(Ljava/io/FileDescriptor;)Landroid/net/DnsResolver$DnsResponse;", (void*) android_net_utils_resNetworkResult },
     { "resNetworkCancel", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_resNetworkCancel },
     { "getDnsNetwork", "()Landroid/net/Network;", (void*) android_net_utils_getDnsNetwork },
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index 8c93676..c8bc662 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -829,6 +829,94 @@
     })
     public @interface PrivateDnsMode {}
 
+    /**
+     * Flag to indicate that an app is not subject to any restrictions that could result in its
+     * network access blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_NONE = 0;
+
+    /**
+     * Flag to indicate that an app is subject to Battery saver restrictions that would
+     * result in its network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_BATTERY_SAVER = 1 << 0;
+
+    /**
+     * Flag to indicate that an app is subject to Doze restrictions that would
+     * result in its network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_DOZE = 1 << 1;
+
+    /**
+     * Flag to indicate that an app is subject to App Standby restrictions that would
+     * result in its network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_APP_STANDBY = 1 << 2;
+
+    /**
+     * Flag to indicate that an app is subject to Restricted mode restrictions that would
+     * result in its network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_REASON_RESTRICTED_MODE = 1 << 3;
+
+    /**
+     * Flag to indicate that an app is subject to Data saver restrictions that would
+     * result in its metered network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_METERED_REASON_DATA_SAVER = 1 << 16;
+
+    /**
+     * Flag to indicate that an app is subject to user restrictions that would
+     * result in its metered network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_METERED_REASON_USER_RESTRICTED = 1 << 17;
+
+    /**
+     * Flag to indicate that an app is subject to Device admin restrictions that would
+     * result in its metered network access being blocked.
+     *
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public static final int BLOCKED_METERED_REASON_ADMIN_DISABLED = 1 << 18;
+
+    /**
+     * @hide
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(flag = true, prefix = {"BLOCKED_"}, value = {
+            BLOCKED_REASON_NONE,
+            BLOCKED_REASON_BATTERY_SAVER,
+            BLOCKED_REASON_DOZE,
+            BLOCKED_REASON_APP_STANDBY,
+            BLOCKED_REASON_RESTRICTED_MODE,
+            BLOCKED_METERED_REASON_DATA_SAVER,
+            BLOCKED_METERED_REASON_USER_RESTRICTED,
+            BLOCKED_METERED_REASON_ADMIN_DISABLED,
+    })
+    public @interface BlockedReason {}
+
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 130143562)
     private final IConnectivityManager mService;
 
@@ -3238,9 +3326,10 @@
      * Register or update a network offer with ConnectivityService.
      *
      * ConnectivityService keeps track of offers made by the various providers and matches
-     * them to networking requests made by apps or the system. The provider supplies a score
-     * and the capabilities of the network it might be able to bring up ; these act as filters
-     * used by ConnectivityService to only send those requests that can be fulfilled by the
+     * them to networking requests made by apps or the system. A callback identifies an offer
+     * uniquely, and later calls with the same callback update the offer. The provider supplies a
+     * score and the capabilities of the network it might be able to bring up ; these act as
+     * filters used by ConnectivityService to only send those requests that can be fulfilled by the
      * provider.
      *
      * The provider is under no obligation to be able to bring up the network it offers at any
diff --git a/framework/src/android/net/INetworkAgent.aidl b/framework/src/android/net/INetworkAgent.aidl
index 1f66e18..f9d3994 100644
--- a/framework/src/android/net/INetworkAgent.aidl
+++ b/framework/src/android/net/INetworkAgent.aidl
@@ -46,4 +46,6 @@
     void onRemoveKeepalivePacketFilter(int slot);
     void onQosFilterCallbackRegistered(int qosCallbackId, in QosFilterParcelable filterParcel);
     void onQosCallbackUnregistered(int qosCallbackId);
+    void onNetworkCreated();
+    void onNetworkDisconnected();
 }
diff --git a/framework/src/android/net/INetworkAgentRegistry.aidl b/framework/src/android/net/INetworkAgentRegistry.aidl
index c5464d3..cbd6193 100644
--- a/framework/src/android/net/INetworkAgentRegistry.aidl
+++ b/framework/src/android/net/INetworkAgentRegistry.aidl
@@ -22,6 +22,7 @@
 import android.net.NetworkScore;
 import android.net.QosSession;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 
 /**
  * Interface for NetworkAgents to send network properties.
@@ -37,6 +38,7 @@
     void sendSocketKeepaliveEvent(int slot, int reason);
     void sendUnderlyingNetworks(in @nullable List<Network> networks);
     void sendEpsQosSessionAvailable(int callbackId, in QosSession session, in EpsBearerQosSessionAttributes attributes);
+    void sendNrQosSessionAvailable(int callbackId, in QosSession session, in NrQosSessionAttributes attributes);
     void sendQosSessionLost(int qosCallbackId, in QosSession session);
     void sendQosCallbackError(int qosCallbackId, int exceptionType);
 }
diff --git a/framework/src/android/net/INetworkOfferCallback.aidl b/framework/src/android/net/INetworkOfferCallback.aidl
index 67d2d40..a6de173 100644
--- a/framework/src/android/net/INetworkOfferCallback.aidl
+++ b/framework/src/android/net/INetworkOfferCallback.aidl
@@ -22,15 +22,16 @@
  * A callback registered with connectivity by network providers together with
  * a NetworkOffer.
  *
- * When the offer is needed to satisfy some application or system component,
- * connectivity will call onOfferNeeded on this callback. When this happens,
- * the provider should try and bring up the network.
+ * When the network for this offer is needed to satisfy some application or
+ * system component, connectivity will call onNetworkNeeded on this callback.
+ * When this happens, the provider should try and bring up the network.
  *
- * When the offer is no longer needed, for example because the application has
- * withdrawn the request or if the request is being satisfied by a network
- * that this offer will never be able to beat, connectivity calls
- * onOfferUnneeded. When this happens, the provider should stop trying to
- * bring up the network, or tear it down if it has already been brought up.
+ * When the network for this offer is no longer needed, for example because
+ * the application has withdrawn the request or if the request is being
+ * satisfied by a network that this offer will never be able to beat,
+ * connectivity calls onNetworkUnneeded. When this happens, the provider
+ * should stop trying to bring up the network, or tear it down if it has
+ * already been brought up.
  *
  * When NetworkProvider#offerNetwork is called, the provider can expect to
  * immediately receive all requests that can be fulfilled by that offer and
@@ -38,25 +39,25 @@
  * request is currently outstanding, because no requests have been made that
  * can be satisfied by this offer, or because all such requests are already
  * satisfied by a better network.
- * onOfferNeeded can be called at any time after registration and until the
+ * onNetworkNeeded can be called at any time after registration and until the
  * offer is withdrawn with NetworkProvider#unofferNetwork is called. This
  * typically happens when a new network request is filed by an application,
  * or when the network satisfying a request disconnects and this offer now
- * stands a chance to be the best network for it.
+ * stands a chance to supply the best network for it.
  *
  * @hide
  */
 oneway interface INetworkOfferCallback {
     /**
-     * Informs the registrant that the offer is needed to fulfill this request.
+     * Called when a network for this offer is needed to fulfill this request.
      * @param networkRequest the request to satisfy
      * @param providerId the ID of the provider currently satisfying
      *          this request, or NetworkProvider.ID_NONE if none.
      */
-    void onOfferNeeded(in NetworkRequest networkRequest, int providerId);
+    void onNetworkNeeded(in NetworkRequest networkRequest, int providerId);
 
     /**
-     * Informs the registrant that the offer is no longer needed to fulfill this request.
+     * Informs the registrant that the offer is no longer valuable to fulfill this request.
      */
-    void onOfferUnneeded(in NetworkRequest networkRequest);
+    void onNetworkUnneeded(in NetworkRequest networkRequest);
 }
diff --git a/framework/src/android/net/IQosCallback.aidl b/framework/src/android/net/IQosCallback.aidl
index 91c7575..c973541 100644
--- a/framework/src/android/net/IQosCallback.aidl
+++ b/framework/src/android/net/IQosCallback.aidl
@@ -19,6 +19,7 @@
 import android.os.Bundle;
 import android.net.QosSession;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 
 /**
  * AIDL interface for QosCallback
@@ -29,6 +30,8 @@
 {
      void onQosEpsBearerSessionAvailable(in QosSession session,
         in EpsBearerQosSessionAttributes attributes);
+     void onNrQosSessionAvailable(in QosSession session,
+        in NrQosSessionAttributes attributes);
      void onQosSessionLost(in QosSession session);
      void onError(in int type);
 }
diff --git a/framework/src/android/net/Network.java b/framework/src/android/net/Network.java
index 41fad63..1f49033 100644
--- a/framework/src/android/net/Network.java
+++ b/framework/src/android/net/Network.java
@@ -92,6 +92,7 @@
     // value in the native/android/net.c NDK implementation.
     private static final long HANDLE_MAGIC = 0xcafed00dL;
     private static final int HANDLE_MAGIC_SIZE = 32;
+    private static final int USE_LOCAL_NAMESERVERS_FLAG = 0x80000000;
 
     // A boolean to control how getAllByName()/getByName() behaves in the face
     // of Private DNS.
@@ -189,7 +190,7 @@
      */
     public int getNetIdForResolv() {
         return mPrivateDnsBypass
-                ? (int) (0x80000000L | (long) netId)  // Non-portable DNS resolution flag.
+                ? (USE_LOCAL_NAMESERVERS_FLAG | netId)  // Non-portable DNS resolution flag.
                 : netId;
     }
 
@@ -452,12 +453,13 @@
             throw new IllegalArgumentException(
                     "Network.fromNetworkHandle refusing to instantiate NETID_UNSET Network.");
         }
-        if ((networkHandle & ((1L << HANDLE_MAGIC_SIZE) - 1)) != HANDLE_MAGIC
-                || networkHandle < 0) {
+        if ((networkHandle & ((1L << HANDLE_MAGIC_SIZE) - 1)) != HANDLE_MAGIC) {
             throw new IllegalArgumentException(
                     "Value passed to fromNetworkHandle() is not a network handle.");
         }
-        return new Network((int) (networkHandle >> HANDLE_MAGIC_SIZE));
+        final int netIdForResolv = (int) (networkHandle >>> HANDLE_MAGIC_SIZE);
+        return new Network((netIdForResolv & ~USE_LOCAL_NAMESERVERS_FLAG),
+                ((netIdForResolv & USE_LOCAL_NAMESERVERS_FLAG) != 0) /* privateDnsBypass */);
     }
 
     /**
@@ -485,7 +487,7 @@
         if (netId == 0) {
             return 0L;  // make this zero condition obvious for debugging
         }
-        return (((long) netId) << HANDLE_MAGIC_SIZE) | HANDLE_MAGIC;
+        return (((long) getNetIdForResolv()) << HANDLE_MAGIC_SIZE) | HANDLE_MAGIC;
     }
 
     // implement the Parcelable interface
diff --git a/framework/src/android/net/NetworkAgent.java b/framework/src/android/net/NetworkAgent.java
index b3d9616..6b55bb7 100644
--- a/framework/src/android/net/NetworkAgent.java
+++ b/framework/src/android/net/NetworkAgent.java
@@ -32,6 +32,7 @@
 import android.os.Message;
 import android.os.RemoteException;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 import android.util.Log;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -361,6 +362,22 @@
      */
     public static final int CMD_UNREGISTER_QOS_CALLBACK = BASE + 21;
 
+    /**
+     * Sent by ConnectivityService to {@link NetworkAgent} to inform the agent that its native
+     * network was created and the Network object is now valid.
+     *
+     * @hide
+     */
+    public static final int CMD_NETWORK_CREATED = BASE + 22;
+
+    /**
+     * Sent by ConnectivityService to {@link NetworkAgent} to inform the agent that its native
+     * network was destroyed.
+     *
+     * @hide
+     */
+    public static final int CMD_NETWORK_DISCONNECTED = BASE + 23;
+
     private static NetworkInfo getLegacyNetworkInfo(final NetworkAgentConfig config) {
         final NetworkInfo ni = new NetworkInfo(config.legacyType, config.legacySubType,
                 config.legacyTypeName, config.legacySubTypeName);
@@ -560,6 +577,14 @@
                             msg.arg1 /* QoS callback id */);
                     break;
                 }
+                case CMD_NETWORK_CREATED: {
+                    onNetworkCreated();
+                    break;
+                }
+                case CMD_NETWORK_DISCONNECTED: {
+                    onNetworkDisconnected();
+                    break;
+                }
             }
         }
     }
@@ -700,6 +725,16 @@
             mHandler.sendMessage(mHandler.obtainMessage(
                     CMD_UNREGISTER_QOS_CALLBACK, qosCallbackId, 0, null));
         }
+
+        @Override
+        public void onNetworkCreated() {
+            mHandler.sendMessage(mHandler.obtainMessage(CMD_NETWORK_CREATED));
+        }
+
+        @Override
+        public void onNetworkDisconnected() {
+            mHandler.sendMessage(mHandler.obtainMessage(CMD_NETWORK_DISCONNECTED));
+        }
     }
 
     /**
@@ -1010,6 +1045,17 @@
     }
 
     /**
+     * Called when ConnectivityService has successfully created this NetworkAgent's native network.
+     */
+    public void onNetworkCreated() {}
+
+
+    /**
+     * Called when ConnectivityService has successfully destroy this NetworkAgent's native network.
+     */
+    public void onNetworkDisconnected() {}
+
+    /**
      * Requests that the network hardware send the specified packet at the specified interval.
      *
      * @param slot the hardware slot on which to start the keepalive.
@@ -1160,29 +1206,37 @@
 
 
     /**
-     * Sends the attributes of Eps Bearer Qos Session back to the Application
+     * Sends the attributes of Qos Session back to the Application
      *
      * @param qosCallbackId the callback id that the session belongs to
-     * @param sessionId the unique session id across all Eps Bearer Qos Sessions
-     * @param attributes the attributes of the Eps Qos Session
+     * @param sessionId the unique session id across all Qos Sessions
+     * @param attributes the attributes of the Qos Session
      */
     public final void sendQosSessionAvailable(final int qosCallbackId, final int sessionId,
-            @NonNull final EpsBearerQosSessionAttributes attributes) {
+            @NonNull final QosSessionAttributes attributes) {
         Objects.requireNonNull(attributes, "The attributes must be non-null");
-        queueOrSendMessage(ra -> ra.sendEpsQosSessionAvailable(qosCallbackId,
-                new QosSession(sessionId, QosSession.TYPE_EPS_BEARER),
-                attributes));
+        if (attributes instanceof EpsBearerQosSessionAttributes) {
+            queueOrSendMessage(ra -> ra.sendEpsQosSessionAvailable(qosCallbackId,
+                    new QosSession(sessionId, QosSession.TYPE_EPS_BEARER),
+                    (EpsBearerQosSessionAttributes)attributes));
+        } else if (attributes instanceof NrQosSessionAttributes) {
+            queueOrSendMessage(ra -> ra.sendNrQosSessionAvailable(qosCallbackId,
+                    new QosSession(sessionId, QosSession.TYPE_NR_BEARER),
+                    (NrQosSessionAttributes)attributes));
+        }
     }
 
     /**
-     * Sends event that the Eps Qos Session was lost.
+     * Sends event that the Qos Session was lost.
      *
      * @param qosCallbackId the callback id that the session belongs to
-     * @param sessionId the unique session id across all Eps Bearer Qos Sessions
+     * @param sessionId the unique session id across all Qos Sessions
+     * @param qosSessionType the session type {@code QosSesson#QosSessionType}
      */
-    public final void sendQosSessionLost(final int qosCallbackId, final int sessionId) {
+    public final void sendQosSessionLost(final int qosCallbackId,
+            final int sessionId, final int qosSessionType) {
         queueOrSendMessage(ra -> ra.sendQosSessionLost(qosCallbackId,
-                new QosSession(sessionId, QosSession.TYPE_EPS_BEARER)));
+                new QosSession(sessionId, qosSessionType)));
     }
 
     /**
diff --git a/framework/src/android/net/NetworkProvider.java b/framework/src/android/net/NetworkProvider.java
index d5b5c9b..d859022 100644
--- a/framework/src/android/net/NetworkProvider.java
+++ b/framework/src/android/net/NetworkProvider.java
@@ -170,10 +170,11 @@
     /** @hide */
     // TODO : make @SystemApi when the impl is complete
     public interface NetworkOfferCallback {
-        /** Called by the system when this offer is needed to satisfy some networking request. */
-        void onOfferNeeded(@NonNull NetworkRequest request, int providerId);
-        /** Called by the system when this offer is no longer needed. */
-        void onOfferUnneeded(@NonNull NetworkRequest request);
+        /** Called by the system when a network for this offer is needed to satisfy some
+         *  networking request. */
+        void onNetworkNeeded(@NonNull NetworkRequest request, int providerId);
+        /** Called by the system when this offer is no longer valuable for this request. */
+        void onNetworkUnneeded(@NonNull NetworkRequest request);
     }
 
     private class NetworkOfferCallbackProxy extends INetworkOfferCallback.Stub {
@@ -187,14 +188,14 @@
         }
 
         @Override
-        public void onOfferNeeded(final @NonNull NetworkRequest request,
+        public void onNetworkNeeded(final @NonNull NetworkRequest request,
                 final int providerId) {
-            mExecutor.execute(() -> callback.onOfferNeeded(request, providerId));
+            mExecutor.execute(() -> callback.onNetworkNeeded(request, providerId));
         }
 
         @Override
-        public void onOfferUnneeded(final @NonNull NetworkRequest request) {
-            mExecutor.execute(() -> callback.onOfferUnneeded(request));
+        public void onNetworkUnneeded(final @NonNull NetworkRequest request) {
+            mExecutor.execute(() -> callback.onNetworkUnneeded(request));
         }
     }
 
@@ -213,41 +214,41 @@
     }
 
     /**
-     * Register or update an offer for network with the passed caps and score.
+     * Register or update an offer for network with the passed capabilities and score.
      *
-     * A NetworkProvider's job is to provide networks. This function is how a provider tells the
+     * A NetworkProvider's role is to provide networks. This method is how a provider tells the
      * connectivity stack what kind of network it may provide. The score and caps arguments act
-     * as filters that the connectivity stack uses to tell when the offer is necessary. When an
-     * offer might be advantageous over existing networks, the provider will receive a call to
-     * the associated callback's {@link NetworkOfferCallback#onOfferNeeded} method. The provider
-     * should then try to bring up this network. When an offer is no longer needed, the stack
-     * will inform the provider by calling {@link NetworkOfferCallback#onOfferUnneeded}. The
+     * as filters that the connectivity stack uses to tell when the offer is valuable. When an
+     * offer might be preferred over existing networks, the provider will receive a call to
+     * the associated callback's {@link NetworkOfferCallback#onNetworkNeeded} method. The provider
+     * should then try to bring up this network. When an offer is no longer useful, the stack
+     * will inform the provider by calling {@link NetworkOfferCallback#onNetworkUnneeded}. The
      * provider should stop trying to bring up such a network, or disconnect it if it already has
      * one.
      *
-     * The stack determines what offers are needed according to what networks are currently
+     * The stack determines what offers are valuable according to what networks are currently
      * available to the system, and what networking requests are made by applications. If an
-     * offer looks like it could be a better choice than any existing network for any particular
-     * request, that's when the stack decides the offer is needed. If the current networking
-     * requests are all satisfied by networks that this offer can't possibly be a better match
-     * for, that's when the offer is unneeded. An offer starts off as unneeded ; the provider
-     * should not try to bring up the network until {@link NetworkOfferCallback#onOfferNeeded}
-     * is called.
+     * offer looks like it could connect a better network than any existing network for any
+     * particular request, that's when the stack decides the network is needed. If the current
+     * networking requests are all satisfied by networks that this offer couldn't possibly be a
+     * better match for, that's when the offer is no longer valuable. An offer starts out as
+     * unneeded ; the provider should not try to bring up the network until
+     * {@link NetworkOfferCallback#onNetworkNeeded} is called.
      *
      * Note that the offers are non-binding to the providers, in particular because providers
      * often don't know if they will be able to bring up such a network at any given time. For
-     * example, no wireless network may be in range when the offer is needed. This is fine and
-     * expected ; the provider should simply continue to try to bring up the network and do so
+     * example, no wireless network may be in range when the offer would be valuable. This is fine
+     * and expected ; the provider should simply continue to try to bring up the network and do so
      * if/when it becomes possible. In the mean time, the stack will continue to satisfy requests
      * with the best network currently available, or if none, keep the apps informed that no
      * network can currently satisfy this request. When/if the provider can bring up the network,
      * the connectivity stack will match it against requests, and inform interested apps of the
      * availability of this network. This may, in turn, render the offer of some other provider
-     * unneeded if all requests it used to satisfy are now better served by this network.
+     * low-value if all requests it used to satisfy are now better served by this network.
      *
      * A network can become unneeded for a reason like the above : whether the provider managed
      * to bring up the offered network after it became needed or not, some other provider may
-     * bring up a better network than this one, making this offer unneeded. A network may also
+     * bring up a better network than this one, making this network unneeded. A network may also
      * become unneeded if the application making the request withdrew it (for example, after it
      * is done transferring data, or if the user canceled an operation).
      *
diff --git a/framework/src/android/net/NetworkUtils.java b/framework/src/android/net/NetworkUtils.java
index f524859..16a49bc 100644
--- a/framework/src/android/net/NetworkUtils.java
+++ b/framework/src/android/net/NetworkUtils.java
@@ -92,12 +92,16 @@
     @Deprecated
     public native static boolean bindProcessToNetworkForHostResolution(int netId);
 
+    private static native int bindSocketToNetworkHandle(FileDescriptor fd, long netHandle);
+
     /**
      * Explicitly binds {@code fd} to the network designated by {@code netId}.  This
      * overrides any binding via {@link #bindProcessToNetwork}.
      * @return 0 on success or negative errno on failure.
      */
-    public static native int bindSocketToNetwork(FileDescriptor fd, int netId);
+    public static int bindSocketToNetwork(FileDescriptor fd, int netId) {
+        return bindSocketToNetworkHandle(fd, new Network(netId).getNetworkHandle());
+    }
 
     /**
      * Determine if {@code uid} can access network designated by {@code netId}.
@@ -108,14 +112,22 @@
         return false;
     }
 
+    private static native FileDescriptor resNetworkSend(
+            long netHandle, byte[] msg, int msglen, int flags) throws ErrnoException;
+
     /**
      * DNS resolver series jni method.
      * Issue the query {@code msg} on the network designated by {@code netId}.
      * {@code flags} is an additional config to control actual querying behavior.
      * @return a file descriptor to watch for read events
      */
-    public static native FileDescriptor resNetworkSend(
-            int netId, byte[] msg, int msglen, int flags) throws ErrnoException;
+    public static FileDescriptor resNetworkSend(
+            int netId, byte[] msg, int msglen, int flags) throws ErrnoException {
+        return resNetworkSend(new Network(netId).getNetworkHandle(), msg, msglen, flags);
+    }
+
+    private static native FileDescriptor resNetworkQuery(
+            long netHandle, String dname, int nsClass, int nsType, int flags) throws ErrnoException;
 
     /**
      * DNS resolver series jni method.
@@ -124,8 +136,11 @@
      * {@code flags} is an additional config to control actual querying behavior.
      * @return a file descriptor to watch for read events
      */
-    public static native FileDescriptor resNetworkQuery(
-            int netId, String dname, int nsClass, int nsType, int flags) throws ErrnoException;
+    public static FileDescriptor resNetworkQuery(
+            int netId, String dname, int nsClass, int nsType, int flags) throws ErrnoException {
+        return resNetworkQuery(new Network(netId).getNetworkHandle(), dname, nsClass, nsType,
+                flags);
+    }
 
     /**
      * DNS resolver series jni method.
diff --git a/framework/src/android/net/QosCallbackConnection.java b/framework/src/android/net/QosCallbackConnection.java
index bdb4ad6..de0fc24 100644
--- a/framework/src/android/net/QosCallbackConnection.java
+++ b/framework/src/android/net/QosCallbackConnection.java
@@ -19,6 +19,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.telephony.data.EpsBearerQosSessionAttributes;
+import android.telephony.data.NrQosSessionAttributes;
 
 import com.android.internal.annotations.VisibleForTesting;
 
@@ -84,6 +85,25 @@
     }
 
     /**
+     * Called when either the {@link NrQosSessionAttributes} has changed or on the first time
+     * the attributes have become available.
+     *
+     * @param session the session that is now available
+     * @param attributes the corresponding attributes of session
+     */
+    @Override
+    public void onNrQosSessionAvailable(@NonNull final QosSession session,
+            @NonNull final NrQosSessionAttributes attributes) {
+
+        mExecutor.execute(() -> {
+            final QosCallback callback = mCallback;
+            if (callback != null) {
+                callback.onQosSessionAvailable(session, attributes);
+            }
+        });
+    }
+
+    /**
      * Called when the session is lost.
      *
      * @param session the session that was lost
diff --git a/framework/src/android/net/QosSession.java b/framework/src/android/net/QosSession.java
index 4f3bb77..93f2ff2 100644
--- a/framework/src/android/net/QosSession.java
+++ b/framework/src/android/net/QosSession.java
@@ -36,6 +36,11 @@
      */
     public static final int TYPE_EPS_BEARER = 1;
 
+    /**
+     * The {@link QosSession} is a NR Session.
+     */
+    public static final int TYPE_NR_BEARER = 2;
+
     private final int mSessionId;
 
     private final int mSessionType;
@@ -100,6 +105,7 @@
      */
     @IntDef(value = {
             TYPE_EPS_BEARER,
+            TYPE_NR_BEARER,
     })
     @interface QosSessionType {}
 
diff --git a/service/Android.bp b/service/Android.bp
index 37dd9ff..b44128b 100644
--- a/service/Android.bp
+++ b/service/Android.bp
@@ -25,7 +25,7 @@
 
 cc_library_shared {
     name: "libservice-connectivity",
-    // TODO: build against the NDK (sdk_version: "30" for example)
+    min_sdk_version: "30",
     cflags: [
         "-Wall",
         "-Werror",
@@ -36,13 +36,13 @@
         "jni/com_android_server_TestNetworkService.cpp",
         "jni/onload.cpp",
     ],
+    stl: "libc++_static",
+    header_libs: [
+        "libbase_headers",
+    ],
     shared_libs: [
-        "libbase",
         "liblog",
         "libnativehelper",
-        // TODO: remove dependency on ifc_[add/del]_address by having Java code to add/delete
-        // addresses, and remove dependency on libnetutils.
-        "libnetutils",
     ],
     apex_available: [
         "com.android.tethering",
@@ -52,6 +52,7 @@
 java_library {
     name: "service-connectivity-pre-jarjar",
     sdk_version: "system_server_current",
+    min_sdk_version: "30",
     srcs: [
         ":connectivity-service-srcs",
         ":framework-connectivity-shared-srcs",
@@ -82,7 +83,6 @@
         "service-connectivity-protos",
     ],
     apex_available: [
-        "//apex_available:platform",
         "com.android.tethering",
     ],
 }
@@ -90,6 +90,7 @@
 java_library {
     name: "service-connectivity-protos",
     sdk_version: "system_current",
+    min_sdk_version: "30",
     proto: {
         type: "nano",
     },
@@ -98,7 +99,6 @@
     ],
     libs: ["libprotobuf-java-nano"],
     apex_available: [
-        "//apex_available:platform",
         "com.android.tethering",
     ],
 }
@@ -106,13 +106,14 @@
 java_library {
     name: "service-connectivity",
     sdk_version: "system_server_current",
+    min_sdk_version: "30",
     installable: true,
     static_libs: [
         "service-connectivity-pre-jarjar",
     ],
     jarjar_rules: "jarjar-rules.txt",
     apex_available: [
-        "//apex_available:platform",
+        "//apex_available:platform", // For arc-services
         "com.android.tethering",
     ],
 }
diff --git a/service/ServiceConnectivityResources/Android.bp b/service/ServiceConnectivityResources/Android.bp
index fa4501a..d783738 100644
--- a/service/ServiceConnectivityResources/Android.bp
+++ b/service/ServiceConnectivityResources/Android.bp
@@ -22,6 +22,7 @@
 android_app {
     name: "ServiceConnectivityResources",
     sdk_version: "module_current",
+    min_sdk_version: "30",
     resource_dirs: [
         "res",
     ],
diff --git a/service/jni/com_android_server_TestNetworkService.cpp b/service/jni/com_android_server_TestNetworkService.cpp
index 36a6fde..e7a40e5 100644
--- a/service/jni/com_android_server_TestNetworkService.cpp
+++ b/service/jni/com_android_server_TestNetworkService.cpp
@@ -35,8 +35,6 @@
 
 #include <log/log.h>
 
-#include "netutils/ifc.h"
-
 #include "jni.h"
 #include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>
@@ -48,9 +46,8 @@
 //------------------------------------------------------------------------------
 
 static void throwException(JNIEnv* env, int error, const char* action, const char* iface) {
-    const std::string& msg =
-        android::base::StringPrintf("Error %s %s: %s", action, iface, strerror(error));
-
+    const std::string& msg = "Error: " + std::string(action) + " " + std::string(iface) +  ": "
+                + std::string(strerror(error));
     jniThrowException(env, "java/lang/IllegalStateException", msg.c_str());
 }