Merge "[BBR] Apply downstream multicast config sent from ot-daemon" into main
diff --git a/thread/service/java/com/android/server/thread/ThreadNetworkControllerService.java b/thread/service/java/com/android/server/thread/ThreadNetworkControllerService.java
index 56dd056..0623b87 100644
--- a/thread/service/java/com/android/server/thread/ThreadNetworkControllerService.java
+++ b/thread/service/java/com/android/server/thread/ThreadNetworkControllerService.java
@@ -16,7 +16,6 @@
import static android.Manifest.permission.NETWORK_SETTINGS;
import static android.net.MulticastRoutingConfig.CONFIG_FORWARD_NONE;
-import static android.net.MulticastRoutingConfig.FORWARD_NONE;
import static android.net.MulticastRoutingConfig.FORWARD_SELECTED;
import static android.net.MulticastRoutingConfig.FORWARD_WITH_MIN_SCOPE;
import static android.net.thread.ActiveOperationalDataset.CHANNEL_PAGE_24_GHZ;
@@ -70,6 +69,7 @@
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
+import android.net.InetAddresses;
import android.net.LinkAddress;
import android.net.LinkProperties;
import android.net.LocalNetworkConfig;
@@ -108,6 +108,7 @@
import com.android.internal.annotations.VisibleForTesting;
import com.android.server.ServiceManagerWrapper;
+import com.android.server.thread.openthread.BackboneRouterState;
import com.android.server.thread.openthread.BorderRouterConfigurationParcel;
import com.android.server.thread.openthread.IChannelMasksReceiver;
import com.android.server.thread.openthread.IOtDaemon;
@@ -123,6 +124,7 @@
import java.security.SecureRandom;
import java.time.Instant;
import java.util.HashMap;
+import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Random;
@@ -1001,11 +1003,6 @@
}
}
- private boolean isMulticastForwardingEnabled() {
- return !(mUpstreamMulticastRoutingConfig.getForwardingMode() == FORWARD_NONE
- && mDownstreamMulticastRoutingConfig.getForwardingMode() == FORWARD_NONE);
- }
-
private void sendLocalNetworkConfig() {
if (mNetworkAgent == null) {
return;
@@ -1015,72 +1012,44 @@
Log.d(TAG, "Sent localNetworkConfig: " + localNetworkConfig);
}
- private void handleMulticastForwardingStateChanged(boolean isEnabled) {
- if (isMulticastForwardingEnabled() == isEnabled) {
- return;
- }
+ private void handleMulticastForwardingChanged(BackboneRouterState state) {
+ MulticastRoutingConfig upstreamMulticastRoutingConfig;
+ MulticastRoutingConfig downstreamMulticastRoutingConfig;
- Log.i(TAG, "Multicast forwaring is " + (isEnabled ? "enabled" : "disabled"));
-
- if (isEnabled) {
+ if (state.multicastForwardingEnabled) {
// When multicast forwarding is enabled, setup upstream forwarding to any address
// with minimal scope 4
// setup downstream forwarding with addresses subscribed from Thread network
- mUpstreamMulticastRoutingConfig =
+ upstreamMulticastRoutingConfig =
new MulticastRoutingConfig.Builder(FORWARD_WITH_MIN_SCOPE, 4).build();
- mDownstreamMulticastRoutingConfig =
- new MulticastRoutingConfig.Builder(FORWARD_SELECTED).build();
+ downstreamMulticastRoutingConfig =
+ buildDownstreamMulticastRoutingConfigSelected(state.listeningAddresses);
} else {
// When multicast forwarding is disabled, set both upstream and downstream
// forwarding config to FORWARD_NONE.
- mUpstreamMulticastRoutingConfig = CONFIG_FORWARD_NONE;
- mDownstreamMulticastRoutingConfig = CONFIG_FORWARD_NONE;
+ upstreamMulticastRoutingConfig = CONFIG_FORWARD_NONE;
+ downstreamMulticastRoutingConfig = CONFIG_FORWARD_NONE;
}
+
+ if (upstreamMulticastRoutingConfig.equals(mUpstreamMulticastRoutingConfig)
+ && downstreamMulticastRoutingConfig.equals(mDownstreamMulticastRoutingConfig)) {
+ return;
+ }
+
+ mUpstreamMulticastRoutingConfig = upstreamMulticastRoutingConfig;
+ mDownstreamMulticastRoutingConfig = downstreamMulticastRoutingConfig;
sendLocalNetworkConfig();
}
- private void handleMulticastForwardingAddressChanged(byte[] addressBytes, boolean isAdded) {
- Inet6Address address = bytesToInet6Address(addressBytes);
- MulticastRoutingConfig newDownstreamConfig;
- MulticastRoutingConfig.Builder builder;
-
- if (mDownstreamMulticastRoutingConfig.getForwardingMode()
- != MulticastRoutingConfig.FORWARD_SELECTED) {
- Log.e(
- TAG,
- "Ignore multicast listening address updates when downstream multicast "
- + "forwarding mode is not FORWARD_SELECTED");
- // Don't update the address set if downstream multicast forwarding is disabled.
- return;
- }
- if (isAdded
- == mDownstreamMulticastRoutingConfig.getListeningAddresses().contains(address)) {
- return;
- }
-
- builder = new MulticastRoutingConfig.Builder(FORWARD_SELECTED);
- for (Inet6Address listeningAddress :
- mDownstreamMulticastRoutingConfig.getListeningAddresses()) {
- builder.addListeningAddress(listeningAddress);
- }
-
- if (isAdded) {
+ private MulticastRoutingConfig buildDownstreamMulticastRoutingConfigSelected(
+ List<String> listeningAddresses) {
+ MulticastRoutingConfig.Builder builder =
+ new MulticastRoutingConfig.Builder(FORWARD_SELECTED);
+ for (String addressStr : listeningAddresses) {
+ Inet6Address address = (Inet6Address) InetAddresses.parseNumericAddress(addressStr);
builder.addListeningAddress(address);
- } else {
- builder.clearListeningAddress(address);
}
-
- newDownstreamConfig = builder.build();
- if (!newDownstreamConfig.equals(mDownstreamMulticastRoutingConfig)) {
- Log.d(
- TAG,
- "Multicast listening address "
- + address.getHostAddress()
- + " is "
- + (isAdded ? "added" : "removed"));
- mDownstreamMulticastRoutingConfig = newDownstreamConfig;
- sendLocalNetworkConfig();
- }
+ return builder.build();
}
private static final class CallbackMetadata {
@@ -1248,7 +1217,6 @@
onInterfaceStateChanged(newState.isInterfaceUp);
onDeviceRoleChanged(newState.deviceRole, listenerId);
onPartitionIdChanged(newState.partitionId, listenerId);
- onMulticastForwardingStateChanged(newState.multicastForwardingEnabled);
mState = newState;
ActiveOperationalDataset newActiveDataset;
@@ -1357,19 +1325,14 @@
}
}
- private void onMulticastForwardingStateChanged(boolean isEnabled) {
- checkOnHandlerThread();
- handleMulticastForwardingStateChanged(isEnabled);
- }
-
@Override
public void onAddressChanged(Ipv6AddressInfo addressInfo, boolean isAdded) {
mHandler.post(() -> handleAddressChanged(addressInfo, isAdded));
}
@Override
- public void onMulticastForwardingAddressChanged(byte[] address, boolean isAdded) {
- mHandler.post(() -> handleMulticastForwardingAddressChanged(address, isAdded));
+ public void onBackboneRouterStateChanged(BackboneRouterState state) {
+ mHandler.post(() -> handleMulticastForwardingChanged(state));
}
}
}
diff --git a/thread/tests/integration/src/android/net/thread/BorderRoutingTest.java b/thread/tests/integration/src/android/net/thread/BorderRoutingTest.java
index 7554610..7aaae86 100644
--- a/thread/tests/integration/src/android/net/thread/BorderRoutingTest.java
+++ b/thread/tests/integration/src/android/net/thread/BorderRoutingTest.java
@@ -296,6 +296,16 @@
}
@Test
+ public void multicastRouting_inboundForwarding_afterBrRejoinFtdRepliesSubscribedAddress()
+ throws Exception {
+ assumeTrue(isKernelVersionAtLeast(KERNEL_VERSION_MULTICAST_ROUTING_SUPPORTED));
+
+ // TODO (b/327311034): Testing bbr state switch from primary mode to secondary mode and back
+ // to primary mode requires an additional BR in the Thread network. This is not currently
+ // supported, to be implemented when possible.
+ }
+
+ @Test
public void multicastRouting_ftdSubscribedScope3MulticastAddress_cannotPingfromInfraLink()
throws Exception {
assumeTrue(isKernelVersionAtLeast(KERNEL_VERSION_MULTICAST_ROUTING_SUPPORTED));