1 /* 2 * Copyright (C) 2014 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 #ifndef __WIFI_HAL_GSCAN_COMMAND_H__ 18 #define __WIFI_HAL_GSCAN_COMMAND_H__ 19 20 #include "common.h" 21 #include "cpp_bindings.h" 22 #ifdef __GNUC__ 23 #define PRINTF_FORMAT(a,b) __attribute__ ((format (printf, (a), (b)))) 24 #define STRUCT_PACKED __attribute__ ((packed)) 25 #else 26 #define PRINTF_FORMAT(a,b) 27 #define STRUCT_PACKED 28 #endif 29 #include "qca-vendor.h" 30 #include "vendor_definitions.h" 31 #include "gscan.h" 32 33 #ifdef __cplusplus 34 extern "C" 35 { 36 #endif /* __cplusplus */ 37 38 typedef struct{ 39 u32 status; 40 u32 num_channels; 41 wifi_channel channels[]; 42 } GScanGetValidChannelsRspParams; 43 44 typedef struct{ 45 u32 status; 46 wifi_gscan_capabilities capabilities; 47 } GScanGetCapabilitiesRspParams; 48 49 typedef struct{ 50 u32 status; 51 } GScanStartRspParams; 52 53 typedef struct{ 54 u32 status; 55 } GScanStopRspParams; 56 57 typedef struct{ 58 u32 status; 59 } GScanSetBssidHotlistRspParams; 60 61 typedef struct{ 62 u32 status; 63 } GScanResetBssidHotlistRspParams; 64 65 typedef struct{ 66 u8 more_data; 67 u32 num_results; 68 wifi_scan_result *results; 69 } GScanGetCachedResultsRspParams; 70 71 typedef struct{ 72 u32 status; 73 } GScanSetSignificantChangeRspParams; 74 75 typedef struct{ 76 u32 status; 77 } GScanResetSignificantChangeRspParams; 78 79 typedef struct { 80 int max_channels; 81 wifi_channel *channels; 82 int *number_channels; 83 } GScan_get_valid_channels_cb_data; 84 85 typedef enum{ 86 eGScanRspParamsInvalid = 0, 87 eGScanGetValidChannelsRspParams, 88 eGScanGetCapabilitiesRspParams, 89 eGScanGetCachedResultsRspParams, 90 eGScanStartRspParams, 91 eGScanStopRspParams, 92 eGScanSetBssidHotlistRspParams, 93 eGScanResetBssidHotlistRspParams, 94 eGScanSetSignificantChangeRspParams, 95 eGScanResetSignificantChangeRspParams, 96 } eGScanRspRarams; 97 98 /* Response and Event Callbacks */ 99 typedef struct { 100 /* Various Events Callback */ 101 void (*get_capabilities)(int status, wifi_gscan_capabilities capabilities); 102 void (*start)(int status); 103 void (*stop)(int status); 104 void (*set_bssid_hotlist)(int status); 105 void (*reset_bssid_hotlist)(int status); 106 void (*set_significant_change)(int status); 107 void (*reset_significant_change)(int status); 108 void (*on_hotlist_ap_found)(wifi_request_id id, 109 unsigned num_results, wifi_scan_result *results); 110 void (*get_cached_results)(u8 more_data, u32 num_results); 111 void (*on_significant_change)(wifi_request_id id, 112 unsigned num_results, 113 wifi_significant_change_result **results); 114 /* Reported when report_threshold is reached in scan cache */ 115 void (*on_scan_results_available) (wifi_request_id id, 116 unsigned num_results_available); 117 /* Reported when each probe response is received, if report_events 118 * enabled in wifi_scan_cmd_params 119 */ 120 void (*on_full_scan_result) (wifi_request_id id, wifi_scan_result *result); 121 /* Optional event - indicates progress of scanning statemachine */ 122 void (*on_scan_event) (wifi_scan_event event, unsigned status); 123 } GScanCallbackHandler; 124 125 class GScanCommand: public WifiVendorCommand 126 { 127 private: 128 GScanStopRspParams *mStopGScanRspParams; 129 GScanStartRspParams *mStartGScanRspParams; 130 GScanSetBssidHotlistRspParams *mSetBssidHotlistRspParams; 131 GScanResetBssidHotlistRspParams *mResetBssidHotlistRspParams; 132 GScanSetSignificantChangeRspParams *mSetSignificantChangeRspParams; 133 GScanResetSignificantChangeRspParams*mResetSignificantChangeRspParams; 134 GScanGetCapabilitiesRspParams *mGetCapabilitiesRspParams; 135 GScanGetCachedResultsRspParams *mGetCachedResultsRspParams; 136 u32 mGetCachedResultsNumResults; 137 GScanCallbackHandler mHandler; 138 int mRequestId; 139 int *mChannels; 140 int mMaxChannels; 141 int *mNumChannelsPtr; 142 bool mWaitforRsp; 143 144 public: 145 GScanCommand(wifi_handle handle, int id, u32 vendor_id, u32 subcmd); 146 virtual ~GScanCommand(); 147 148 /* This function implements creation of GSCAN specific Request 149 * based on the request type. 150 */ 151 virtual int create(); 152 virtual int requestEvent(); 153 virtual int requestResponse(); 154 virtual int handleResponse(WifiEvent &reply); 155 virtual int handleEvent(WifiEvent &event); 156 virtual int setCallbackHandler(GScanCallbackHandler nHandler); 157 virtual void setMaxChannels(int max_channels); 158 virtual void setChannels(int *channels); 159 virtual void setNumChannelsPtr(int *num_channels); 160 virtual int allocRspParams(eGScanRspRarams cmd); 161 virtual void freeRspParams(eGScanRspRarams cmd); 162 virtual void getGetCapabilitiesRspParams( 163 wifi_gscan_capabilities *capabilities, 164 u32 *status); 165 virtual void getStartGScanRspParams(u32 *status); 166 virtual void getStopGScanRspParams(u32 *status); 167 virtual void getSetBssidHotlistRspParams(u32 *status); 168 virtual void getResetBssidHotlistRspParams(u32 *status); 169 virtual void getSetSignificantChangeRspParams(u32 *status); 170 virtual void getResetSignificantChangeRspParams(u32 *status); 171 virtual wifi_error getGetCachedResultsRspParams(int max, 172 u8 *moreData, 173 int *numResults, 174 wifi_scan_result *results); 175 /* Takes wait time in seconds. */ 176 virtual int timed_wait(u16 wait_time); 177 virtual void waitForRsp(bool wait); 178 }; 179 180 #ifdef __cplusplus 181 } 182 #endif /* __cplusplus */ 183 #endif 184
