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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __WIFI_HAL_GSCAN_COMMAND_H__
#define __WIFI_HAL_GSCAN_COMMAND_H__
#include "common.h"
#include "cpp_bindings.h"
#ifdef __GNUC__
#define PRINTF_FORMAT(a,b) __attribute__ ((format (printf, (a), (b))))
#define STRUCT_PACKED __attribute__ ((packed))
#else
#define PRINTF_FORMAT(a,b)
#define STRUCT_PACKED
#endif
#include "gscan.h"
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
typedef struct{
u32 status;
u32 num_channels;
wifi_channel channels[];
} GScanGetValidChannelsRspParams;
typedef struct{
wifi_gscan_capabilities capabilities;
} GScanGetCapabilitiesRspParams;
typedef struct{
u8 more_data;
u32 num_cached_results;
u32 cachedResultsStartingIndex; /* Used in filling cached scan results */
int lastProcessedScanId; /* Last scan id in gscan cached results block */
u32 wifiScanResultsStartingIndex; /* For the lastProcessedScanId */
u32 max; /* max num of cached results specified by caller */
wifi_cached_scan_results *cached_results;
} GScanGetCachedResultsRspParams;
typedef struct {
int max_channels;
wifi_channel *channels;
int *number_channels;
} GScan_get_valid_channels_cb_data;
typedef enum{
eGScanRspParamsInvalid = 0,
eGScanGetValidChannelsRspParams,
eGScanGetCapabilitiesRspParams,
eGScanGetCachedResultsRspParams,
} eGScanRspRarams;
/* Response and Event Callbacks */
typedef struct {
/* Various Events Callback */
void (*on_hotlist_ap_found)(wifi_request_id id,
unsigned num_results, wifi_scan_result *results);
void (*on_hotlist_ap_lost)(wifi_request_id id,
unsigned num_results, wifi_scan_result *results);
void (*on_significant_change)(wifi_request_id id,
unsigned num_results,
wifi_significant_change_result **results);
/* Reported when each probe response is received, if report_events
* enabled in wifi_scan_cmd_params
*/
void (*on_full_scan_result) (wifi_request_id id, wifi_scan_result *result,
unsigned buckets_scanned);
/* Optional event - indicates progress of scanning statemachine */
void (*on_scan_event) (wifi_request_id id, wifi_scan_event event);
void (*on_hotlist_ssid_found)(wifi_request_id id,
unsigned num_results, wifi_scan_result *results);
void (*on_hotlist_ssid_lost)(wifi_request_id id,
unsigned num_results, wifi_scan_result *results);
void (*on_pno_network_found)(wifi_request_id id,
unsigned num_results, wifi_scan_result *results);
void (*on_passpoint_network_found)(wifi_request_id id,
int net_id,
wifi_scan_result *result,
int anqp_len,
byte *anqp
);
} GScanCallbackHandler;
class GScanCommand: public WifiVendorCommand
{
private:
GScanGetCachedResultsRspParams *mGetCachedResultsRspParams;
GScanCallbackHandler mHandler;
int mRequestId;
int *mChannels;
int mMaxChannels;
int *mNumChannelsPtr;
public:
GScanCommand(wifi_handle handle, int id, u32 vendor_id, u32 subcmd);
virtual ~GScanCommand();
/* This function implements creation of GSCAN specific Request
* based on the request type.
*/
virtual wifi_error create();
virtual wifi_error requestResponse();
virtual int handleResponse(WifiEvent &reply);
virtual void setMaxChannels(int max_channels);
virtual void setChannels(int *channels);
virtual void setNumChannelsPtr(int *num_channels);
virtual wifi_error allocRspParams(eGScanRspRarams cmd);
virtual void freeRspParams(eGScanRspRarams cmd);
virtual wifi_error copyCachedScanResults(int *numResults,
wifi_cached_scan_results *cached_results);
virtual wifi_error gscan_get_cached_results(wifi_cached_scan_results *results,
struct nlattr **tb_vendor);
wifi_error validateGscanConfig(wifi_scan_cmd_params params);
wifi_error validateSignificantChangeParams(
wifi_significant_change_params params);
virtual wifi_error allocCachedResultsTemp(int max,
wifi_cached_scan_results *results);
};
#define GSCAN_BASE_PERIOD_MIN 1
#define GSCAN_MAX_AP_PER_SCAN_MIN 1
#define GSCAN_REPORT_THRESHOLD_MIN 1
#define GSCAN_NUM_BUCKETS_MIN 1
#define GSCAN_BUCKET_INDEX_MIN 0
#define GSCAN_REPORT_EVENT0 0
#define GSCAN_REPORT_EVENT1 1
#define GSCAN_REPORT_EVENT2 2
#define GSCAN_MIN_CHANNELS 0
#define GSCAN_ACTIVE_SCAN 0
#define GSCAN_PASSIVE_SCAN 1
#define BSSID_HOTLIST_NUM_AP_MIN 1
#define RSSI_SAMPLE_SIZE_MIN 1
#define LOSTAP_SAMPLE_SIZE_MIN 1
#define MIN_BREACHING_MIN 1
#define SIGNIFICANT_CHANGE_NUM_AP_MIN 1
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
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