1/*
2 * Copyright 2020 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 android.hardware.wifi@1.5;
18
19import @1.4::IWifi;
20import IWifiEventCallback;
21import @1.0::WifiStatus;
22
23/**
24 * This is the root of the HAL module and is the interface returned when
25 * loading an implementation of the Wi-Fi HAL. There must be at most one
26 * module loaded in the system.
27 * IWifi.getChip() must return @1.5::IWifiChip
28 */
29interface IWifi extends @1.4::IWifi {
30  /**
31   * Requests notifications of significant events for the HAL. Multiple calls to
32   * this must register multiple callbacks each of which must receive all
33   * events. |IWifiEventCallback| object registration must be independent of the
34   * state of the rest of the HAL and must persist though stops/starts. These
35   * objects must be deleted when the corresponding client process is dead.
36   *
37   * @param callback An instance of the |IWifiEventCallback| HIDL interface
38   *        object.
39   * @return status WifiStatus of the operation.
40   *         Possible status codes:
41   *         |WifiStatusCode.SUCCESS|,
42   *         |WifiStatusCode.UNKNOWN|
43   */
44  registerEventCallback_1_5(IWifiEventCallback callback)
45      generates (WifiStatus status);
46};
47