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 17 package android.hardware.tetheroffload.control@1.0; 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 */ 23 interface 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
