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 34extern "C" 35{ 36#endif /* __cplusplus */ 37 38typedef struct{ 39 u32 status; 40 u32 num_channels; 41 wifi_channel channels[]; 42} GScanGetValidChannelsRspParams; 43 44typedef struct{ 45 wifi_gscan_capabilities capabilities; 46} GScanGetCapabilitiesRspParams; 47 48typedef struct{ 49 u8 more_data; 50 u32 num_cached_results; 51 u32 cachedResultsStartingIndex; /* Used in filling cached scan results */ 52 int lastProcessedScanId; /* Last scan id in gscan cached results block */ 53 u32 wifiScanResultsStartingIndex; /* For the lastProcessedScanId */ 54 u32 max; /* max num of cached results specified by caller */ 55 wifi_cached_scan_results *cached_results; 56} GScanGetCachedResultsRspParams; 57 58typedef struct { 59 int max_channels; 60 wifi_channel *channels; 61 int *number_channels; 62} GScan_get_valid_channels_cb_data; 63 64typedef enum{ 65 eGScanRspParamsInvalid = 0, 66 eGScanGetValidChannelsRspParams, 67 eGScanGetCapabilitiesRspParams, 68 eGScanGetCachedResultsRspParams, 69} eGScanRspRarams; 70 71/* Response and Event Callbacks */ 72typedef struct { 73 /* Various Events Callback */ 74 void (*on_hotlist_ap_found)(wifi_request_id id, 75 unsigned num_results, wifi_scan_result *results); 76 void (*on_hotlist_ap_lost)(wifi_request_id id, 77 unsigned num_results, wifi_scan_result *results); 78 void (*on_significant_change)(wifi_request_id id, 79 unsigned num_results, 80 wifi_significant_change_result **results); 81 /* Reported when each probe response is received, if report_events 82 * enabled in wifi_scan_cmd_params 83 */ 84 void (*on_full_scan_result) (wifi_request_id id, wifi_scan_result *result, 85 unsigned buckets_scanned); 86 /* Optional event - indicates progress of scanning statemachine */ 87 void (*on_scan_event) (wifi_request_id id, wifi_scan_event event); 88 void (*on_hotlist_ssid_found)(wifi_request_id id, 89 unsigned num_results, wifi_scan_result *results); 90 void (*on_hotlist_ssid_lost)(wifi_request_id id, 91 unsigned num_results, wifi_scan_result *results); 92 void (*on_pno_network_found)(wifi_request_id id, 93 unsigned num_results, wifi_scan_result *results); 94 void (*on_passpoint_network_found)(wifi_request_id id, 95 int net_id, 96 wifi_scan_result *result, 97 int anqp_len, 98 byte *anqp 99 ); 100} GScanCallbackHandler; 101 102class GScanCommand: public WifiVendorCommand 103{ 104private: 105 GScanGetCapabilitiesRspParams *mGetCapabilitiesRspParams; 106 GScanGetCachedResultsRspParams *mGetCachedResultsRspParams; 107 GScanCallbackHandler mHandler; 108 int mRequestId; 109 int *mChannels; 110 int mMaxChannels; 111 int *mNumChannelsPtr; 112 113public: 114 GScanCommand(wifi_handle handle, int id, u32 vendor_id, u32 subcmd); 115 virtual ~GScanCommand(); 116 117 /* This function implements creation of GSCAN specific Request 118 * based on the request type. 119 */ 120 virtual int create(); 121 virtual int requestResponse(); 122 virtual int handleResponse(WifiEvent &reply); 123 virtual void setMaxChannels(int max_channels); 124 virtual void setChannels(int *channels); 125 virtual void setNumChannelsPtr(int *num_channels); 126 virtual int allocRspParams(eGScanRspRarams cmd); 127 virtual void freeRspParams(eGScanRspRarams cmd); 128 virtual wifi_error getGetCapabilitiesRspParams( 129 wifi_gscan_capabilities *capabilities); 130 virtual wifi_error copyCachedScanResults(int *numResults, 131 wifi_cached_scan_results *cached_results); 132 virtual int gscan_get_cached_results(wifi_cached_scan_results *results, 133 struct nlattr **tb_vendor); 134 virtual int allocCachedResultsTemp(int max, 135 wifi_cached_scan_results *results); 136 virtual int gscan_parse_capabilities(struct nlattr **tbVendor); 137}; 138 139#ifdef __cplusplus 140} 141#endif /* __cplusplus */ 142#endif 143