251 lines
7.2 KiB
C
251 lines
7.2 KiB
C
/*
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* Header file of Broadcom Dongle Host Driver (DHD)
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* Prefered Network Offload code and Wi-Fi Location Service(WLS) code.
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* Copyright (C) 1999-2013, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: dhd_pno.h 419969 2013-08-23 18:54:36Z $
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*/
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#ifndef __DHD_PNO_H__
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#define __DHD_PNO_H__
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#define PNO_TLV_PREFIX 'S'
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#define PNO_TLV_VERSION '1'
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#define PNO_TLV_SUBTYPE_LEGACY_PNO '2'
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#define PNO_TLV_RESERVED '0'
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#define PNO_BATCHING_SET "SET"
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#define PNO_BATCHING_GET "GET"
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#define PNO_BATCHING_STOP "STOP"
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#define PNO_PARAMS_DELIMETER " "
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#define PNO_PARAM_CHANNEL_DELIMETER ","
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#define PNO_PARAM_VALUE_DELLIMETER '='
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#define PNO_PARAM_SCANFREQ "SCANFREQ"
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#define PNO_PARAM_BESTN "BESTN"
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#define PNO_PARAM_MSCAN "MSCAN"
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#define PNO_PARAM_CHANNEL "CHANNEL"
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#define PNO_PARAM_RTT "RTT"
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#define PNO_TLV_TYPE_SSID_IE 'S'
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#define PNO_TLV_TYPE_TIME 'T'
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#define PNO_TLV_FREQ_REPEAT 'R'
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#define PNO_TLV_FREQ_EXPO_MAX 'M'
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#define MAXNUM_SSID_PER_ADD 16
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#define MAXNUM_PNO_PARAMS 2
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#define PNO_TLV_COMMON_LENGTH 1
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#define DEFAULT_BATCH_MSCAN 16
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#define RESULTS_END_MARKER "----\n"
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#define SCAN_END_MARKER "####\n"
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#define AP_END_MARKER "====\n"
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enum scan_status {
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/* SCAN ABORT by other scan */
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PNO_STATUS_ABORT,
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/* RTT is presence or not */
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PNO_STATUS_RTT_PRESENCE,
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/* Disable PNO by Driver */
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PNO_STATUS_DISABLE,
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/* NORMAL BATCHING GET */
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PNO_STATUS_NORMAL,
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/* WLC_E_PFN_BEST_BATCHING */
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PNO_STATUS_EVENT,
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PNO_STATUS_MAX
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};
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#define PNO_STATUS_ABORT_MASK 0x0001
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#define PNO_STATUS_RTT_MASK 0x0002
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#define PNO_STATUS_DISABLE_MASK 0x0004
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#define PNO_STATUS_OOM_MASK 0x0010
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enum index_mode {
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INDEX_OF_LEGACY_PARAMS,
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INDEX_OF_BATCH_PARAMS,
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INDEX_OF_HOTLIST_PARAMS,
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INDEX_MODE_MAX
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};
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enum dhd_pno_status {
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DHD_PNO_DISABLED,
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DHD_PNO_ENABLED,
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DHD_PNO_SUSPEND
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};
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typedef struct cmd_tlv {
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char prefix;
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char version;
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char subtype;
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char reserved;
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} cmd_tlv_t;
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typedef enum dhd_pno_mode {
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/* Wi-Fi Legacy PNO Mode */
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DHD_PNO_NONE_MODE = 0,
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DHD_PNO_LEGACY_MODE = (1 << (0)),
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/* Wi-Fi Android BATCH SCAN Mode */
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DHD_PNO_BATCH_MODE = (1 << (1)),
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/* Wi-Fi Android Hotlist SCAN Mode */
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DHD_PNO_HOTLIST_MODE = (1 << (2))
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} dhd_pno_mode_t;
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struct dhd_pno_ssid {
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uint32 SSID_len;
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uchar SSID[DOT11_MAX_SSID_LEN];
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struct list_head list;
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};
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struct dhd_pno_bssid {
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struct ether_addr macaddr;
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/* Bit4: suppress_lost, Bit3: suppress_found */
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uint16 flags;
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struct list_head list;
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};
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typedef struct dhd_pno_bestnet_entry {
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struct ether_addr BSSID;
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uint8 SSID_len;
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uint8 SSID[DOT11_MAX_SSID_LEN];
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int8 RSSI;
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uint8 channel;
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uint32 timestamp;
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uint16 rtt0; /* distance_cm based on RTT */
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uint16 rtt1; /* distance_cm based on sample standard deviation */
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unsigned long recorded_time;
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struct list_head list;
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} dhd_pno_bestnet_entry_t;
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#define BESTNET_ENTRY_SIZE (sizeof(dhd_pno_bestnet_entry_t))
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typedef struct dhd_pno_bestnet_header {
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struct dhd_pno_bestnet_header *next;
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uint8 reason;
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uint32 tot_cnt;
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uint32 tot_size;
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struct list_head entry_list;
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} dhd_pno_best_header_t;
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#define BEST_HEADER_SIZE (sizeof(dhd_pno_best_header_t))
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typedef struct dhd_pno_scan_results {
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dhd_pno_best_header_t *bestnetheader;
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uint8 cnt_header;
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struct list_head list;
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} dhd_pno_scan_results_t;
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#define SCAN_RESULTS_SIZE (sizeof(dhd_pno_scan_results_t))
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struct dhd_pno_get_batch_info {
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/* info related to get batch */
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char *buf;
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bool batch_started;
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uint32 tot_scan_cnt;
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uint32 expired_tot_scan_cnt;
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uint32 top_node_cnt;
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uint32 bufsize;
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uint32 bytes_written;
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int reason;
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struct list_head scan_results_list;
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struct list_head expired_scan_results_list;
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};
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struct dhd_pno_legacy_params {
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uint16 scan_fr;
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uint16 chan_list[WL_NUMCHANNELS];
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uint16 nchan;
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int pno_repeat;
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int pno_freq_expo_max;
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int nssid;
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struct list_head ssid_list;
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};
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struct dhd_pno_batch_params {
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int32 scan_fr;
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uint8 bestn;
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uint8 mscan;
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uint8 band;
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uint16 chan_list[WL_NUMCHANNELS];
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uint16 nchan;
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uint16 rtt;
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struct dhd_pno_get_batch_info get_batch;
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};
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struct dhd_pno_hotlist_params {
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uint8 band;
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int32 scan_fr;
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uint16 chan_list[WL_NUMCHANNELS];
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uint16 nchan;
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uint16 nbssid;
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struct list_head bssid_list;
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};
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typedef union dhd_pno_params {
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struct dhd_pno_legacy_params params_legacy;
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struct dhd_pno_batch_params params_batch;
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struct dhd_pno_hotlist_params params_hotlist;
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} dhd_pno_params_t;
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typedef struct dhd_pno_status_info {
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dhd_pub_t *dhd;
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struct work_struct work;
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struct mutex pno_mutex;
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struct completion get_batch_done;
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bool wls_supported; /* wifi location service supported or not */
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enum dhd_pno_status pno_status;
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enum dhd_pno_mode pno_mode;
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dhd_pno_params_t pno_params_arr[INDEX_MODE_MAX];
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struct list_head head_list;
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} dhd_pno_status_info_t;
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/* wrapper functions */
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extern int
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dhd_dev_pno_enable(struct net_device *dev, int enable);
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extern int
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dhd_dev_pno_stop_for_ssid(struct net_device *dev);
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extern int
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dhd_dev_pno_set_for_ssid(struct net_device *dev, wlc_ssid_t* ssids_local, int nssid,
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uint16 scan_fr, int pno_repeat, int pno_freq_expo_max, uint16 *channel_list, int nchan);
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extern int
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dhd_dev_pno_set_for_batch(struct net_device *dev,
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struct dhd_pno_batch_params *batch_params);
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extern int
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dhd_dev_pno_get_for_batch(struct net_device *dev, char *buf, int bufsize);
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extern int
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dhd_dev_pno_stop_for_batch(struct net_device *dev);
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extern int
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dhd_dev_pno_set_for_hotlist(struct net_device *dev, wl_pfn_bssid_t *p_pfn_bssid,
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struct dhd_pno_hotlist_params *hotlist_params);
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/* dhd pno fuctions */
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extern int dhd_pno_stop_for_ssid(dhd_pub_t *dhd);
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extern int dhd_pno_enable(dhd_pub_t *dhd, int enable);
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extern int dhd_pno_set_for_ssid(dhd_pub_t *dhd, wlc_ssid_t* ssid_list, int nssid,
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uint16 scan_fr, int pno_repeat, int pno_freq_expo_max, uint16 *channel_list, int nchan);
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extern int dhd_pno_set_for_batch(dhd_pub_t *dhd, struct dhd_pno_batch_params *batch_params);
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extern int dhd_pno_get_for_batch(dhd_pub_t *dhd, char *buf, int bufsize, int reason);
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extern int dhd_pno_stop_for_batch(dhd_pub_t *dhd);
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extern int dhd_pno_set_for_hotlist(dhd_pub_t *dhd, wl_pfn_bssid_t *p_pfn_bssid,
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struct dhd_pno_hotlist_params *hotlist_params);
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extern int dhd_pno_stop_for_hotlist(dhd_pub_t *dhd);
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extern int dhd_pno_event_handler(dhd_pub_t *dhd, wl_event_msg_t *event, void *event_data);
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extern int dhd_pno_init(dhd_pub_t *dhd);
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extern int dhd_pno_deinit(dhd_pub_t *dhd);
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#endif /* __DHD_PNO_H__ */
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