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Have IpManager track L2-L4 signaling traffic required for IP connectivity. am: 4adb18679e

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am: cdb620fbcb

Change-Id: Iccd81c5d722a14409fc4f22bc34c3607bca653da
This commit is contained in:
Erik Kline 2016-12-15 10:21:08 +00:00 • committed by android-build-merger
commit bfdf051585
1 changed files with 103 additions and 15 deletions
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11
core/java/android/net/NetworkUtils.java
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@ -51,6 +51,17 @@ public class NetworkUtils {
*/
public native static void attachRaFilter(FileDescriptor fd, int packetType) throws SocketException;
/**
* Attaches a socket filter that accepts L2-L4 signaling traffic required for IP connectivity.
*
* This includes: all ARP, ICMPv6 RS/RA/NS/NA messages, and DHCPv4 exchanges.
*
* @param fd the socket's {@link FileDescriptor}.
* @param packetType the hardware address type, one of ARPHRD_*.
*/
public native static void attachControlPacketFilter(FileDescriptor fd, int packetType)
throws SocketException;
/**
* Configures a socket for receiving ICMPv6 router solicitations and sending advertisements.
* @param fd the socket's {@link FileDescriptor}.