1syntax = "proto2"; 2 3package chre_cross_validation_wifi; 4 5option java_package = "com.google.android.chre.nanoapp.proto"; 6option java_outer_classname = "ChreCrossValidationWifi"; 7 8enum MessageType { 9 // Reserved for corrupted messages 10 UNDEFINED = 0; 11 12 // H2C: Host informing nanoapp to start a new step 13 // Payload must be StepStartCommand Message 14 STEP_START = 1; 15 16 // C2H: Nanoapp informing host on the result of a step 17 // Payload must be chre_test_common::TestResult message. 18 // This will also include the final validation result if this is the step 19 // result for the VALIDATE step. 20 STEP_RESULT = 2; 21 22 // H2C: Host passing down wifi scan result data to CHRE to validate. 23 // There may be multiple messages with this type sent. 24 SCAN_RESULT = 3; 25 26 // C2H: Nanoapp informing host about the wifi capabilities it has. 27 // The payload must be a WifiCapabilities message. 28 WIFI_CAPABILITIES = 4; 29} 30 31enum Step { 32 // The initial step where no action is performed. 33 INIT = 0; 34 // The step where the nanoapp is configured to monitor for wifi scans and the 35 // scan results threshold message is sent. 36 SETUP = 1; 37 // The validate step where the data is gathered and compared. 38 VALIDATE = 2; 39 // The step where the wifi capabilities are gathered from the nanoapp. 40 CAPABILITIES = 3; 41} 42 43message StepStartCommand { 44 optional Step step = 1; 45 // The maxinum number of WiFi scans that can be delivered to CHRE, which 46 // will be used to limit the cross-validation check. This value is only 47 // valid if the step value is SETUP. 48 optional int32 chreScanCapacity = 2; 49} 50 51/* 52 * The fields that are common between the AP framework ScanResult object @ 53 * //frameworks/base/wifi/java/android/net/wifi/ScanResult.java 54 * and the chreWifiScanResult in the WiFi CHRE API @ 55 * //system/chre/chre_api/include/chre_api/chre/wifi.h 56 */ 57message WifiScanResult { 58 // The name of the access point 59 optional string ssid = 1; 60 // The mac address of the access point 61 optional bytes bssid = 2; 62 // The total number of results that will be sent from AP. 63 optional uint32 totalNumResults = 3; 64 // The index of this result in relation to the entire set of results. 65 // [0 - totalNumResults) 66 optional uint32 resultIndex = 4; 67} 68 69/* 70 * The wifi capabilities listed in 71 * //system/chre/chre_api/include/chre_api/chre/wifi.h 72 */ 73message WifiCapabilities { 74 optional uint32 wifiCapabilities = 1; 75} 76 77message UseScanResultsSizeThreshold { 78 optional bool useThreshold = 1; 79} 80