1 /* 2 * Copyright (C) 2016 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.net.wifi.nl80211; 18 19 import android.net.wifi.nl80211.IPnoScanEvent; 20 import android.net.wifi.nl80211.IScanEvent; 21 import android.net.wifi.nl80211.NativeScanResult; 22 import android.net.wifi.nl80211.PnoSettings; 23 import android.net.wifi.nl80211.SingleScanSettings; 24 25 /** 26 * @hide 27 */ 28 interface IWifiScannerImpl { 29 // Type of scan request. This is used in |SingleScanSettings.scan_type|. 30 const int SCAN_TYPE_LOW_SPAN = 0; 31 const int SCAN_TYPE_LOW_POWER = 1; 32 const int SCAN_TYPE_HIGH_ACCURACY = 2; 33 34 // Scan request status 35 // Request succeeded 36 const int SCAN_STATUS_SUCCESS = 0; 37 // All other standard error codes are mapped to this 38 const int SCAN_STATUS_FAILED_GENERIC = 1; 39 //Device or resource busy - Due to connection in progress, processing another scan request etc. 40 const int SCAN_STATUS_FAILED_BUSY = 2; 41 // Aborted - Due to another high priority operation like roaming, offload scan etc 42 const int SCAN_STATUS_FAILED_ABORT = 3; 43 // No such device - Due to wrong interface or interface doesn't exist 44 const int SCAN_STATUS_FAILED_NODEV = 4; 45 // Invalid argument - Due to wrong/unsupported argument passed in scan params 46 const int SCAN_STATUS_FAILED_INVALID_ARGS = 5; 47 // Scan type used internally if the device does not support 48 // the type specified in |SingleScanSettings.scan_type|. 49 // Scan requests from framework with this type will be rejected. 50 const int SCAN_TYPE_DEFAULT = -1; 51 52 // Get the latest single scan results from kernel. getScanResults()53 NativeScanResult[] getScanResults(); 54 55 // Get the latest pno scan results from the interface which has most recently 56 // completed disconnected mode PNO scans getPnoScanResults()57 NativeScanResult[] getPnoScanResults(); 58 59 // Get the max number of SSIDs that the driver supports per scan. getMaxSsidsPerScan()60 int getMaxSsidsPerScan(); 61 62 // Request a single scan using a SingleScanSettings parcelable object. 63 // This interface is deprecated from Android 14, newer wificond implementation should call 64 // scanRequest() which can return the scan request status. scan(in SingleScanSettings scanSettings)65 boolean scan(in SingleScanSettings scanSettings); 66 67 // Request a single scan using a SingleScanSettings parcelable object. scanRequest(in SingleScanSettings scanSettings)68 int scanRequest(in SingleScanSettings scanSettings); 69 70 // Subscribe single scanning events. 71 // Scanner assumes there is only one subscriber. 72 // This call will replace any existing |handler|. subscribeScanEvents(IScanEvent handler)73 oneway void subscribeScanEvents(IScanEvent handler); 74 75 // Unsubscribe single scanning events . unsubscribeScanEvents()76 oneway void unsubscribeScanEvents(); 77 78 // Subscribe Pno scanning events. 79 // Scanner assumes there is only one subscriber. 80 // This call will replace any existing |handler|. subscribePnoScanEvents(IPnoScanEvent handler)81 oneway void subscribePnoScanEvents(IPnoScanEvent handler); 82 83 // Unsubscribe Pno scanning events . unsubscribePnoScanEvents()84 oneway void unsubscribePnoScanEvents(); 85 86 // Request a scheduled scan. startPnoScan(in PnoSettings pnoSettings)87 boolean startPnoScan(in PnoSettings pnoSettings); 88 89 // Stop any existing scheduled scan. 90 // Returns true on success. 91 // Returns false on failure or there is no existing scheduled scan. stopPnoScan()92 boolean stopPnoScan(); 93 94 // Abort ongoing scan. abortScan()95 void abortScan(); 96 97 // add more interfaces. 98 } 99