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      1 /*
      2  * Copyright 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.wifi@1.2;
     18 
     19 import @1.0::IWifiChipEventCallback;
     20 import @1.0::WifiBand;
     21 
     22 /**
     23  * Wifi chip event callbacks.
     24  */
     25 interface IWifiChipEventCallback extends @1.0::IWifiChipEventCallback {
     26     /**
     27      * Struct describing the state of each iface operating on the radio chain
     28      * (hardware MAC) on the device.
     29      */
     30     struct IfaceInfo {
     31         /** Name of the interface (For ex: "wlan0"). */
     32         string name;
     33         /** Wifi channel on which this interface is operating. */
     34         uint32_t channel;
     35     };
     36 
     37     /**
     38      * Struct describing the state of each hardware radio chain (hardware MAC)
     39      * on the device.
     40      */
     41     struct RadioModeInfo {
     42         /**
     43          * Identifier for this radio chain. This is vendor dependent & used
     44          * only for debugging purposes.
     45          */
     46         uint32_t radioId;
     47         /**
     48          * List of bands on which this radio chain is operating.
     49          * Can be one of:
     50          * a) WifiBand.BAND_24GHZ => 2.4Ghz.
     51          * b) WifiBand.BAND_5GHZ => 5Ghz.
     52          * c) WifiBand.BAND_24GHZ_5GHZ = 2.4Ghz + 5Ghz (Radio is time sharing
     53          * across the 2 bands).
     54          */
     55         WifiBand bandInfo;
     56         /** List of interfaces on this radio chain (hardware MAC). */
     57         vec<IfaceInfo> ifaceInfos;
     58     };
     59 
     60     /**
     61      * Asynchronous callback indicating a radio mode change.
     62      * Radio mode change could be a result of:
     63      * a) Bringing up concurrent interfaces (For ex: STA + AP).
     64      * b) Change in operating band of one of the concurrent interfaces (For ex:
     65      * STA connection moved from 2.4G to 5G)
     66      *
     67      * @param radioModeInfos List of RadioModeInfo structures for each
     68      * radio chain (hardware MAC) on the device.
     69      */
     70     oneway onRadioModeChange(vec<RadioModeInfo> radioModeInfos);
     71 };
     72