1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package [email protected];
18
19/**
20 * Callback providing information about status of hardware management process
21 * as well as providing a way to keep offloaded connections from timing out.
22 */
23interface ITetheringOffloadCallback {
24  /**
25   * Called when an asynchronous event is generated by the hardware management
26   * process.
27   */
28  oneway onEvent(OffloadCallbackEvent event);
29
30  /**
31   *  Provide a way for the management process to request that a connections
32   *  timeout be updated in kernel.
33   *
34   *  This is necessary to ensure that offloaded traffic is not cleaned up
35   *  by the kernel connection tracking module for IPv4.
36   */
37   oneway updateTimeout(NatTimeoutUpdate params);
38};
39