Change tetheroffloadjni to tetheringutilsjni
Rename tetheroffloadjni to tetheringutilsjni and move setupRaSocket
jni method from NetUtils into tetheringutilsjni.
Bug: 143195885
Test: -build, flash, boot
-atest TetheringTests
-Off/On hotspot with ipv6 upstream
Change-Id: Ib68eb6999bbe2d3ca97e68712f22b105311ef800
diff --git a/Tethering/src/android/net/ip/RouterAdvertisementDaemon.java b/Tethering/src/android/net/ip/RouterAdvertisementDaemon.java
index 4147413..4396cdb 100644
--- a/Tethering/src/android/net/ip/RouterAdvertisementDaemon.java
+++ b/Tethering/src/android/net/ip/RouterAdvertisementDaemon.java
@@ -30,6 +30,7 @@
import android.net.NetworkUtils;
import android.net.TrafficStats;
import android.net.util.InterfaceParams;
+import android.net.util.TetheringUtils;
import android.system.ErrnoException;
import android.system.Os;
import android.system.StructTimeval;
@@ -613,7 +614,7 @@
mSocket, SOL_SOCKET, SO_SNDTIMEO, StructTimeval.fromMillis(send_timout_ms));
Os.setsockoptIfreq(mSocket, SOL_SOCKET, SO_BINDTODEVICE, mInterface.name);
NetworkUtils.protectFromVpn(mSocket);
- NetworkUtils.setupRaSocket(mSocket, mInterface.index);
+ TetheringUtils.setupRaSocket(mSocket, mInterface.index);
} catch (ErrnoException | IOException e) {
Log.e(TAG, "Failed to create RA daemon socket: " + e);
return false;
diff --git a/Tethering/src/android/net/util/TetheringUtils.java b/Tethering/src/android/net/util/TetheringUtils.java
new file mode 100644
index 0000000..2fb73ce
--- /dev/null
+++ b/Tethering/src/android/net/util/TetheringUtils.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.net.util;
+
+import java.io.FileDescriptor;
+import java.net.SocketException;
+
+/**
+ * Native methods for tethering utilization.
+ *
+ * {@hide}
+ */
+public class TetheringUtils {
+
+ /**
+ * Offload management process need to know conntrack rules to support NAT, but it may not have
+ * permission to create netlink netfilter sockets. Create two netlink netfilter sockets and
+ * share them with offload management process.
+ */
+ public static native boolean configOffload();
+
+ /**
+ * Configures a socket for receiving ICMPv6 router solicitations and sending advertisements.
+ * @param fd the socket's {@link FileDescriptor}.
+ * @param ifIndex the interface index.
+ */
+ public static native void setupRaSocket(FileDescriptor fd, int ifIndex)
+ throws SocketException;
+}