Have ConnectivityService install packet filters when possible
Listen for ICMP6 router advertisements on networks that support
packet filters. Construct packet filters and install them to
ignore redundant future ICMP6 router advertisements.
Bug: 26238573
Change-Id: If78300b9fda257c21f3ee6533e1da7de9f897cb4
diff --git a/core/java/android/net/NetworkUtils.java b/core/java/android/net/NetworkUtils.java
index c6d919f..555032d 100644
--- a/core/java/android/net/NetworkUtils.java
+++ b/core/java/android/net/NetworkUtils.java
@@ -62,6 +62,13 @@
public native static void attachDhcpFilter(FileDescriptor fd) throws SocketException;
/**
+ * Attaches a socket filter that accepts ICMP6 router advertisement packets to the given socket.
+ * @param fd the socket's {@link FileDescriptor}.
+ * @param packetType the hardware address type, one of ARPHRD_*.
+ */
+ public native static void attachRaFilter(FileDescriptor fd, int packetType) throws SocketException;
+
+ /**
* Binds the current process to the network designated by {@code netId}. All sockets created
* in the future (and not explicitly bound via a bound {@link SocketFactory} (see
* {@link Network#getSocketFactory}) will be bound to this network. Note that if this