487 lines
13 KiB
C
487 lines
13 KiB
C
#ifndef __WIFI_DRIVERS_HEADER__
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#define __WIFI_DRIVERS_HEADER__
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#include <net/if_arp.h>
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#include <linux/if_ether.h>
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#include "ieee80211.h"
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#include <ev.h>
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/* */
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#define WIFI_DRIVER_NAME_SIZE 16
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/* */
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#define WIFI_BAND_UNKNOWN 0
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#define WIFI_BAND_2GHZ 1
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#define WIFI_BAND_5GHZ 2
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/* */
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#define WIFI_CAPABILITY_RADIOSUPPORTED 0x00000001
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#define WIFI_CAPABILITY_RADIOTYPE 0x00000002
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#define WIFI_CAPABILITY_BANDS 0x00000004
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#define WIFI_CAPABILITY_CIPHERS 0x00000008
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#define WIFI_CAPABILITY_ANTENNA_MASK 0x00000010
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#define WIFI_CAPABILITY_MAX_SCAN_SSIDS 0x00000020
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#define WIFI_CAPABILITY_MAX_SCHED_SCAN_SSIDS 0x00000040
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#define WIFI_CAPABILITY_MAX_MATCH_SETS 0x00000080
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#define WIFI_CAPABILITY_MAX_ACL_MACADDRESS 0x00000100
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/* */
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#define WIFI_CAPABILITY_FLAGS_OFFCHANNEL_TX_OK 0x00000001
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#define WIFI_CAPABILITY_FLAGS_ROAM_SUPPORT 0x00000002
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#define WIFI_CAPABILITY_FLAGS_SUPPORT_AP_UAPSD 0x00000004
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#define WIFI_CAPABILITY_FLAGS_DEVICE_AP_SME 0x00000008
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#define WIFI_CAPABILITY_FLAGS_PROBE_RESPONSE_OFFLOAD 0x00000010
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#define WIFI_CAPABILITY_FLAGS_INACTIVITY_TIMER 0x00000020
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/* */
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#define WIFI_CAPABILITY_AP_SUPPORTED 0x00000001
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#define WIFI_CAPABILITY_AP_VLAN_SUPPORTED 0x00000002
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#define WIFI_CAPABILITY_ADHOC_SUPPORTED 0x00000004
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#define WIFI_CAPABILITY_MONITOR_SUPPORTED 0x00000008
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#define WIFI_CAPABILITY_WDS_SUPPORTED 0x00000010
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#define FREQ_CAPABILITY_DISABLED 0x00000001
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#define FREQ_CAPABILITY_PASSIVE_SCAN 0x00000002
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#define FREQ_CAPABILITY_NO_IBBS 0x00000004
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#define FREQ_CAPABILITY_RADAR 0x00000008
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#define FREQ_CAPABILITY_DFS_STATE 0x00000010
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#define FREQ_CAPABILITY_DFS_TIME 0x00000020
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#define RATE_CAPABILITY_SHORTPREAMBLE 0x00000001
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#define IEEE80211_DFS_USABLE 0
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#define IEEE80211_DFS_UNAVAILABLE 1
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#define IEEE80211_DFS_AVAILABLE 2
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#define WLAN_INTERFACE_AP 1
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/* */
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DECLARE_OPAQUE_TYPE(wifi_global_handle);
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DECLARE_OPAQUE_TYPE(wifi_device_handle);
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DECLARE_OPAQUE_TYPE(wifi_wlan_handle);
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struct capwap_80211_wtpqos_element;
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struct capwap_80211_stationkey_element;
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/* */
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struct device_setrates_params {
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int supportedratescount;
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uint8_t supportedrates[IEEE80211_SUPPORTEDRATE_MAX_COUNT];
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int basicratescount;
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uint8_t basicrates[IEEE80211_SUPPORTEDRATE_MAX_COUNT];
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};
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/* */
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#define WIFI_COUNTRY_LENGTH 4
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struct device_setconfiguration_params {
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int shortpreamble;
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uint8_t maxbssid;
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uint8_t dtimperiod;
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uint8_t bssid[MACADDRESS_EUI48_LENGTH];
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uint16_t beaconperiod;
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uint8_t country[WIFI_COUNTRY_LENGTH];
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};
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/* */
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typedef int (*send_frame_to_ac)(void* param, const uint8_t* frame, int length, uint8_t rssi, uint8_t snr, uint16_t rate);
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struct wlan_startap_params {
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uint8_t radioid;
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uint8_t wlanid;
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const char* ssid;
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uint8_t ssid_hidden;
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uint16_t capability;
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uint8_t qos;
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uint8_t authmode;
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uint8_t macmode;
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uint8_t tunnelmode;
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uint8_t keyindex;
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uint8_t keylength;
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uint8_t *key;
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struct capwap_array *ie;
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};
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struct wlan_updateap_params {
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uint8_t radioid;
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uint8_t wlanid;
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uint16_t capability;
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uint8_t qos;
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uint8_t keyindex;
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uint8_t keystatus;
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uint8_t keylength;
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uint8_t *key;
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struct capwap_array *ie;
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};
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/* */
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struct wlan_send_frame_params {
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uint8_t* packet;
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int length;
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uint32_t frequency;
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uint32_t duration;
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int offchannel_tx_ok;
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int no_cck_rate;
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int no_wait_ack;
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uint64_t cookie;
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};
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/* */
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struct station_add_params {
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uint8_t* address;
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struct ieee80211_ht_cap *ht_cap;
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uint32_t pairwise;
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struct capwap_80211_stationkey_element *key;
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int max_inactivity;
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};
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/* Interface capability */
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struct wifi_freq_capability {
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unsigned long flags;
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unsigned long frequency; /* MHz */
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unsigned long channel;
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unsigned long maxtxpower; /* mBm = 100 * dBm */
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unsigned long dfsstate;
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unsigned long dfstime; /* ms */
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};
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/* */
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struct wifi_rate_capability {
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unsigned long flags;
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uint8_t bitrate;
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};
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/* */
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struct wifi_band_capability {
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unsigned long band;
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unsigned long htcapability;
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uint8_t a_mpdu_params;
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uint8_t mcs_set[16];
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struct capwap_array* freq;
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struct capwap_array* rate;
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};
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/* */
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struct wifi_commands_capability {
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unsigned int poll_command_supported:1;
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};
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/* */
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struct wifi_capability {
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struct wifi_device* device;
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unsigned long flags;
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unsigned long capability;
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/* WIFI_CAPABILITY_RADIOSUPPORTED */
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unsigned long radiosupported;
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/* WIFI_CAPABILITY_RADIOTYPE */
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unsigned long radiotype;
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/* WIFI_CAPABILITY_ANTENNA_MASK */
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unsigned long txantennamask;
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unsigned long rxantennamask;
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/* WIFI_CAPABILITY_BANDS */
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struct capwap_array* bands;
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struct wifi_commands_capability supp_cmds;
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/* WIFI_CAPABILITY_CIPHERS */
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int ciphers_count;
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uint32_t *ciphers;
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/* WIFI_CAPABILITY_MAX_SCAN_SSIDS */
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uint8_t maxscanssids;
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/* WIFI_CAPABILITY_MAX_SCHED_SCAN_SSIDS */
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uint8_t maxschedscanssids;
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/* WIFI_CAPABILITY_MAX_MATCH_SETS */
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uint8_t maxmatchsets;
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/* WIFI_CAPABILITY_MAX_ACL_MACADDRESS */
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uint8_t maxaclmacaddress;
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};
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/* Frequency configuration */
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struct wifi_frequency {
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uint32_t band;
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uint32_t mode;
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uint8_t channel;
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uint32_t frequency;
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};
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/* */
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#define WIFI_EVENT_MAX_ITEMS 2
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struct wifi_event {
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void (*event_handler)(int fd, void** params, int paramscount);
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int paramscount;
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void* params[WIFI_EVENT_MAX_ITEMS];
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};
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/* */
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struct wifi_driver_instance {
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struct wifi_driver_ops* ops; /* Driver functions */
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wifi_global_handle handle; /* Global instance handle */
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};
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/* */
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struct wifi_global {
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int sock_util;
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struct capwap_list* devices;
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/* Stations */
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struct capwap_hash* stations;
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};
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/* Device handle */
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#define WIFI_DEVICE_SET_FREQUENCY 0x00000001
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#define WIFI_DEVICE_SET_RATES 0x00000002
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#define WIFI_DEVICE_SET_CONFIGURATION 0x00000004
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#define WIFI_DEVICE_REQUIRED_FOR_BSS (WIFI_DEVICE_SET_FREQUENCY | WIFI_DEVICE_SET_RATES | WIFI_DEVICE_SET_CONFIGURATION)
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struct wifi_device {
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struct wifi_global* global;
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wifi_device_handle handle; /* Device handle */
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struct wifi_driver_instance* instance; /* Driver instance */
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uint32_t phyindex;
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char phyname[IFNAMSIZ];
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unsigned long flags;
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/* */
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struct capwap_list* wlans;
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unsigned long wlanactive;
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/* Current frequency */
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struct wifi_frequency currentfrequency;
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/* */
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uint16_t beaconperiod;
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uint8_t dtimperiod;
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int shortpreamble;
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/* Cached capability */
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struct wifi_capability* capability;
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/* Rates */
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unsigned long supportedratescount;
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uint8_t supportedrates[IEEE80211_SUPPORTEDRATE_MAX_COUNT];
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unsigned long basicratescount;
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uint8_t basicrates[IEEE80211_SUPPORTEDRATE_MAX_COUNT];
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/* ERP Information */
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int olbc;
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unsigned long stationsnonerpcount;
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unsigned long stationsnoshortslottimecount;
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unsigned long stationsnoshortpreamblecount;
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};
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/* WLAN handle */
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#define WIFI_WLAN_RUNNING 0x00000001
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#define WIFI_WLAN_SET_BEACON 0x00000002
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#define WIFI_WLAN_OPERSTATE_RUNNING 0x00000004
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struct wifi_wlan {
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wifi_wlan_handle handle;
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struct wifi_device* device;
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unsigned long flags;
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uint32_t virtindex;
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char virtname[IFNAMSIZ];
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uint8_t address[MACADDRESS_EUI48_LENGTH];
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/* */
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uint8_t radioid;
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uint8_t wlanid;
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/* WLAN information */
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char ssid[IEEE80211_SSID_MAX_LENGTH + 1];
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uint8_t ssid_hidden;
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uint16_t capability;
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int ht_opmode;
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/* Tunnel */
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uint8_t macmode;
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uint8_t tunnelmode;
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/* Authentication */
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uint8_t authmode;
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/* Station information */
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unsigned long stationscount;
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unsigned long maxstationscount;
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uint32_t aidbitfield[IEEE80211_AID_BITFIELD_SIZE];
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struct ieee80211_ie *rsne;
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uint32_t group_cipher_suite;
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uint8_t keyindex;
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uint8_t keylength;
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uint8_t *key;
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int beacon_ies_len;
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uint8_t *beacon_ies;
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int response_ies_len;
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uint8_t *response_ies;
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};
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/* Station handle */
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#define WIFI_STATION_FLAGS_AUTHENTICATED 0x00000001
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#define WIFI_STATION_FLAGS_ASSOCIATE 0x00000002
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#define WIFI_STATION_FLAGS_NON_ERP 0x00000004
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#define WIFI_STATION_FLAGS_NO_SHORT_SLOT_TIME 0x00000008
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#define WIFI_STATION_FLAGS_NO_SHORT_PREAMBLE 0x00000010
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#define WIFI_STATION_FLAGS_WMM 0x00000020
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#define WIFI_STATION_FLAGS_AUTHORIZED 0x00000040
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#define WIFI_STATION_FLAGS_HT_CAP 0x00000080
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#define WIFI_STATION_FLAGS_POLL_PENDING 0x00000100
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/* */
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#define WIFI_STATION_TIMEOUT_ASSOCIATION_COMPLETE 30000
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#define WIFI_STATION_TIMEOUT_AFTER_DEAUTHENTICATED 5000
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#define WIFI_STATION_TIMEOUT_BEFORE_DISASSOCIATE 3000
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#define WIFI_STATION_TIMEOUT_BEFORE_DEAUTHENTICATE 1000
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struct wifi_station {
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uint8_t address[MACADDRESS_EUI48_LENGTH];
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/* */
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struct wifi_wlan* wlan;
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/* */
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uint32_t flags;
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/* Timer */
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int max_inactivity;
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enum {
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WIFI_STATION_TIMEOUT_ACTION_SEND_NULLFUNC = 0,
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WIFI_STATION_TIMEOUT_ACTION_DEAUTHENTICATE,
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WIFI_STATION_TIMEOUT_ACTION_DISASSOCIATE,
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WIFI_STATION_TIMEOUT_ACTION_DELETE
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} timeout_action;
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struct ev_timer timeout;
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/* */
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uint16_t capability;
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uint16_t listeninterval;
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uint16_t aid;
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/* */
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int supportedratescount;
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uint8_t supportedrates[IEEE80211_SUPPORTEDRATE_MAX_COUNT];
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/* Authentication */
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uint16_t authalgorithm;
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uint32_t pairwise_cipher;
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struct capwap_80211_stationkey_element *key;
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uint8_t qosinfo;
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struct ieee80211_ht_cap ht_cap;
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};
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/* */
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struct wifi_driver_ops {
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const char* name; /* Name of wifi driver */
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const char* description; /* Description of wifi driver */
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/* Global initialize driver */
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wifi_global_handle (*global_init)(void);
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void (*global_deinit)(wifi_global_handle handle);
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/* Device functions */
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int (*device_init)(wifi_global_handle handle, struct wifi_device* device);
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int (*device_getcapability)(struct wifi_device* device, struct wifi_capability* capability);
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void (*device_updatebeacons)(struct wifi_device* device);
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int (*device_setfrequency)(struct wifi_device* device);
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int (*device_settxqueue)(struct wifi_device* device, int queue, int aifs,
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int cw_min, int cw_max, int txop);
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void (*device_deinit)(struct wifi_device* device);
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/* WLAN functions */
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wifi_wlan_handle (*wlan_create)(struct wifi_device* device, struct wifi_wlan* wlan);
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int (*wlan_startap)(struct wifi_wlan* wlan);
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void (*wlan_stopap)(struct wifi_wlan* wlan);
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int (*wlan_sendframe)(struct wifi_wlan* wlan, uint8_t* frame, int length, uint32_t frequency, uint32_t duration, int offchannel_tx_ok, int no_cck_rate, int no_wait_ack);
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void (*wlan_poll_station)(struct wifi_wlan* wlan, const uint8_t* address, int qos);
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void (*wlan_delete)(struct wifi_wlan* wlan);
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int (*wlan_set_key)(struct wifi_wlan* wlan,
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uint32_t alg, const uint8_t *addr,
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int key_idx, int set_tx,
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const uint8_t *seq, size_t seq_len,
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const uint8_t *key, size_t key_len);
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/* Stations functions */
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int (*station_authorize)(struct wifi_wlan* wlan, struct wifi_station* station);
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int (*station_deauthorize)(struct wifi_wlan* wlan, const uint8_t* address);
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int (*station_get_inact_sec)(struct wifi_wlan* wlan, const uint8_t* address);
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};
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/* Initialize wifi driver engine */
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int wifi_driver_init(void);
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void wifi_driver_free(void);
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/* */
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struct wifi_wlan* wifi_get_wlan(uint32_t ifindex);
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/* Device management */
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struct wifi_device* wifi_device_connect(const char* ifname, const char* driver);
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const struct wifi_capability* wifi_device_getcapability(struct wifi_device* device);
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int wifi_device_setconfiguration(struct wifi_device* device, struct device_setconfiguration_params* params);
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int wifi_device_setfrequency(struct wifi_device* device, uint32_t band, uint32_t mode, uint8_t channel);
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int wifi_device_settxqueue(struct wifi_device *device, struct capwap_80211_wtpqos_element *qos);
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int wifi_device_updaterates(struct wifi_device* device, uint8_t* rates, int ratescount);
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/* WLAN management */
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struct wifi_wlan* wifi_wlan_create(struct wifi_device* device, const char* ifname);
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int wifi_wlan_startap(struct wifi_wlan* wlan, struct wlan_startap_params* params);
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int wifi_wlan_updateap(struct wifi_wlan* wlan, struct wlan_updateap_params* params);
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void wifi_wlan_stopap(struct wifi_wlan* wlan);
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int wifi_wlan_getbssid(struct wifi_wlan* wlan, uint8_t* bssid);
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uint16_t wifi_wlan_check_capability(struct wifi_wlan* wlan, uint16_t capability);
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int wifi_wlan_send_frame(struct wifi_wlan* wlan, const uint8_t* data, int length, uint8_t rssi, uint8_t snr, uint16_t rate);
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void wifi_wlan_destroy(struct wifi_wlan* wlan);
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/* WLAN packet management */
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void wifi_wlan_receive_station_frame(struct wifi_wlan* wlan, const struct ieee80211_header* frame, int length, uint32_t frequency, uint8_t rssi, uint8_t snr, uint16_t rate);
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void wifi_wlan_receive_station_ackframe(struct wifi_wlan* wlan, const struct ieee80211_header* frame, int length, int ack);
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void wifi_wlan_receive_ac_frame(struct wifi_wlan* wlan, struct ieee80211_header* frame, int length);
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void wifi_wlan_client_probe_event(struct wifi_wlan *wlan, const uint8_t *address);
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/* Station management */
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int wifi_station_set_key(struct wifi_wlan *wlan, struct wifi_station* station);
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int wifi_station_authorize(struct wifi_wlan* wlan, struct station_add_params* params);
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void wifi_station_deauthorize(struct wifi_device* device, const uint8_t* address);
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/* Util functions */
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uint32_t wifi_iface_index(const char* ifname);
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/* */
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int wifi_iface_getstatus(int sock, const char* ifname);
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int wifi_iface_updown(int sock, const char* ifname, int up);
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#define wifi_iface_up(sock, ifname) wifi_iface_updown(sock, ifname, 1)
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#define wifi_iface_down(sock, ifname) wifi_iface_updown(sock, ifname, 0)
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#endif /* __WIFI_DRIVERS_HEADER__ */
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