Keep Vehicle internal network always up
Bug: 171801262
Test: Boot with and without overlay set and check ifconfig
Change-Id: I1fd332caf3e09924abcfec9c2c137363be7873e4
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index 1a37fb9..286cdf9 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -171,6 +171,7 @@
NET_CAPABILITY_PARTIAL_CONNECTIVITY,
NET_CAPABILITY_TEMPORARILY_NOT_METERED,
NET_CAPABILITY_OEM_PRIVATE,
+ NET_CAPABILITY_VEHICLE_INTERNAL,
})
public @interface NetCapability { }
@@ -357,8 +358,17 @@
@SystemApi
public static final int NET_CAPABILITY_OEM_PRIVATE = 26;
+ /**
+ * Indicates this is an internal vehicle network, meant to communicate with other
+ * automotive systems.
+ *
+ * @hide
+ */
+ @SystemApi
+ public static final int NET_CAPABILITY_VEHICLE_INTERNAL = 27;
+
private static final int MIN_NET_CAPABILITY = NET_CAPABILITY_MMS;
- private static final int MAX_NET_CAPABILITY = NET_CAPABILITY_OEM_PRIVATE;
+ private static final int MAX_NET_CAPABILITY = NET_CAPABILITY_VEHICLE_INTERNAL;
/**
* Network capabilities that are expected to be mutable, i.e., can change while a particular
@@ -401,15 +411,16 @@
*/
@VisibleForTesting
/* package */ static final long RESTRICTED_CAPABILITIES =
- (1 << NET_CAPABILITY_CBS) |
- (1 << NET_CAPABILITY_DUN) |
- (1 << NET_CAPABILITY_EIMS) |
- (1 << NET_CAPABILITY_FOTA) |
- (1 << NET_CAPABILITY_IA) |
- (1 << NET_CAPABILITY_IMS) |
- (1 << NET_CAPABILITY_RCS) |
- (1 << NET_CAPABILITY_XCAP) |
- (1 << NET_CAPABILITY_MCX);
+ (1 << NET_CAPABILITY_CBS)
+ | (1 << NET_CAPABILITY_DUN)
+ | (1 << NET_CAPABILITY_EIMS)
+ | (1 << NET_CAPABILITY_FOTA)
+ | (1 << NET_CAPABILITY_IA)
+ | (1 << NET_CAPABILITY_IMS)
+ | (1 << NET_CAPABILITY_MCX)
+ | (1 << NET_CAPABILITY_RCS)
+ | (1 << NET_CAPABILITY_VEHICLE_INTERNAL)
+ | (1 << NET_CAPABILITY_XCAP);
/**
* Capabilities that force network to be restricted.
@@ -1939,6 +1950,7 @@
case NET_CAPABILITY_PARTIAL_CONNECTIVITY: return "PARTIAL_CONNECTIVITY";
case NET_CAPABILITY_TEMPORARILY_NOT_METERED: return "TEMPORARILY_NOT_METERED";
case NET_CAPABILITY_OEM_PRIVATE: return "OEM_PRIVATE";
+ case NET_CAPABILITY_VEHICLE_INTERNAL: return "NET_CAPABILITY_VEHICLE_INTERNAL";
default: return Integer.toString(capability);
}
}
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 01ef69b..9c6c759 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -62,6 +62,7 @@
import static java.util.Map.Entry;
import android.Manifest;
+import android.annotation.BoolRes;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.app.AppOpsManager;
@@ -986,6 +987,10 @@
mDefaultWifiRequest = createDefaultInternetRequestForTransport(
NetworkCapabilities.TRANSPORT_WIFI, NetworkRequest.Type.BACKGROUND_REQUEST);
+ mDefaultVehicleRequest = createAlwaysOnRequestForCapability(
+ NetworkCapabilities.NET_CAPABILITY_VEHICLE_INTERNAL,
+ NetworkRequest.Type.BACKGROUND_REQUEST);
+
mHandlerThread = mDeps.makeHandlerThread();
mHandlerThread.start();
mHandler = new InternalHandler(mHandlerThread.getLooper());
@@ -1192,6 +1197,15 @@
return new NetworkRequest(netCap, TYPE_NONE, nextNetworkRequestId(), type);
}
+ private NetworkRequest createAlwaysOnRequestForCapability(int capability,
+ NetworkRequest.Type type) {
+ final NetworkCapabilities netCap = new NetworkCapabilities();
+ netCap.clearAll();
+ netCap.addCapability(capability);
+ netCap.setRequestorUidAndPackageName(Process.myUid(), mContext.getPackageName());
+ return new NetworkRequest(netCap, TYPE_NONE, nextNetworkRequestId(), type);
+ }
+
// Used only for testing.
// TODO: Delete this and either:
// 1. Give FakeSettingsProvider the ability to send settings change notifications (requires
@@ -1209,10 +1223,19 @@
mHandler.sendEmptyMessage(EVENT_PRIVATE_DNS_SETTINGS_CHANGED);
}
+ private void handleAlwaysOnNetworkRequest(NetworkRequest networkRequest, @BoolRes int id) {
+ final boolean enable = mContext.getResources().getBoolean(id);
+ handleAlwaysOnNetworkRequest(networkRequest, enable);
+ }
+
private void handleAlwaysOnNetworkRequest(
NetworkRequest networkRequest, String settingName, boolean defaultValue) {
final boolean enable = toBool(Settings.Global.getInt(
mContext.getContentResolver(), settingName, encodeBool(defaultValue)));
+ handleAlwaysOnNetworkRequest(networkRequest, enable);
+ }
+
+ private void handleAlwaysOnNetworkRequest(NetworkRequest networkRequest, boolean enable) {
final boolean isEnabled = (mNetworkRequests.get(networkRequest) != null);
if (enable == isEnabled) {
return; // Nothing to do.
@@ -1229,9 +1252,11 @@
private void handleConfigureAlwaysOnNetworks() {
handleAlwaysOnNetworkRequest(
- mDefaultMobileDataRequest,Settings.Global.MOBILE_DATA_ALWAYS_ON, true);
+ mDefaultMobileDataRequest, Settings.Global.MOBILE_DATA_ALWAYS_ON, true);
handleAlwaysOnNetworkRequest(mDefaultWifiRequest, Settings.Global.WIFI_ALWAYS_REQUESTED,
false);
+ handleAlwaysOnNetworkRequest(mDefaultVehicleRequest,
+ com.android.internal.R.bool.config_vehicleInternalNetworkAlwaysRequested);
}
private void registerSettingsCallbacks() {
@@ -6011,6 +6036,9 @@
// priority networks like ethernet are active.
private final NetworkRequest mDefaultWifiRequest;
+ // Request used to optionally keep vehicle internal network always active
+ private final NetworkRequest mDefaultVehicleRequest;
+
private NetworkAgentInfo getDefaultNetwork() {
return mDefaultNetworkNai;
}