LCOV - code coverage report
Current view: top level - src/drivers - driver.h (source / functions) Hit Total Coverage
Test: wpa_supplicant/hostapd combined for hwsim test run 1426431149 Lines: 7 20 35.0 %
Date: 2015-03-15 Functions: 1 3 33.3 %

          Line data    Source code
       1             : /*
       2             :  * Driver interface definition
       3             :  * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
       4             :  *
       5             :  * This software may be distributed under the terms of the BSD license.
       6             :  * See README for more details.
       7             :  *
       8             :  * This file defines a driver interface used by both %wpa_supplicant and
       9             :  * hostapd. The first part of the file defines data structures used in various
      10             :  * driver operations. This is followed by the struct wpa_driver_ops that each
      11             :  * driver wrapper will beed to define with callback functions for requesting
      12             :  * driver operations. After this, there are definitions for driver event
      13             :  * reporting with wpa_supplicant_event() and some convenience helper functions
      14             :  * that can be used to report events.
      15             :  */
      16             : 
      17             : #ifndef DRIVER_H
      18             : #define DRIVER_H
      19             : 
      20             : #define WPA_SUPPLICANT_DRIVER_VERSION 4
      21             : 
      22             : #include "common/defs.h"
      23             : #include "utils/list.h"
      24             : 
      25             : #define HOSTAPD_CHAN_DISABLED 0x00000001
      26             : #define HOSTAPD_CHAN_NO_IR 0x00000002
      27             : #define HOSTAPD_CHAN_RADAR 0x00000008
      28             : #define HOSTAPD_CHAN_HT40PLUS 0x00000010
      29             : #define HOSTAPD_CHAN_HT40MINUS 0x00000020
      30             : #define HOSTAPD_CHAN_HT40 0x00000040
      31             : #define HOSTAPD_CHAN_SURVEY_LIST_INITIALIZED 0x00000080
      32             : 
      33             : #define HOSTAPD_CHAN_DFS_UNKNOWN 0x00000000
      34             : #define HOSTAPD_CHAN_DFS_USABLE 0x00000100
      35             : #define HOSTAPD_CHAN_DFS_UNAVAILABLE 0x00000200
      36             : #define HOSTAPD_CHAN_DFS_AVAILABLE 0x00000300
      37             : #define HOSTAPD_CHAN_DFS_MASK 0x00000300
      38             : 
      39             : #define HOSTAPD_CHAN_VHT_10_70 0x00000800
      40             : #define HOSTAPD_CHAN_VHT_30_50 0x00001000
      41             : #define HOSTAPD_CHAN_VHT_50_30 0x00002000
      42             : #define HOSTAPD_CHAN_VHT_70_10 0x00004000
      43             : 
      44             : #define HOSTAPD_CHAN_INDOOR_ONLY 0x00010000
      45             : #define HOSTAPD_CHAN_GO_CONCURRENT 0x00020000
      46             : 
      47             : /**
      48             :  * enum reg_change_initiator - Regulatory change initiator
      49             :  */
      50             : enum reg_change_initiator {
      51             :         REGDOM_SET_BY_CORE,
      52             :         REGDOM_SET_BY_USER,
      53             :         REGDOM_SET_BY_DRIVER,
      54             :         REGDOM_SET_BY_COUNTRY_IE,
      55             :         REGDOM_BEACON_HINT,
      56             : };
      57             : 
      58             : /**
      59             :  * enum reg_type - Regulatory change types
      60             :  */
      61             : enum reg_type {
      62             :         REGDOM_TYPE_UNKNOWN,
      63             :         REGDOM_TYPE_COUNTRY,
      64             :         REGDOM_TYPE_WORLD,
      65             :         REGDOM_TYPE_CUSTOM_WORLD,
      66             :         REGDOM_TYPE_INTERSECTION,
      67             : };
      68             : 
      69             : /**
      70             :  * struct hostapd_channel_data - Channel information
      71             :  */
      72             : struct hostapd_channel_data {
      73             :         /**
      74             :          * chan - Channel number (IEEE 802.11)
      75             :          */
      76             :         short chan;
      77             : 
      78             :         /**
      79             :          * freq - Frequency in MHz
      80             :          */
      81             :         int freq;
      82             : 
      83             :         /**
      84             :          * flag - Channel flags (HOSTAPD_CHAN_*)
      85             :          */
      86             :         int flag;
      87             : 
      88             :         /**
      89             :          * max_tx_power - Regulatory transmit power limit in dBm
      90             :          */
      91             :         u8 max_tx_power;
      92             : 
      93             :         /**
      94             :          * survey_list - Linked list of surveys (struct freq_survey)
      95             :          */
      96             :         struct dl_list survey_list;
      97             : 
      98             :         /**
      99             :          * min_nf - Minimum observed noise floor, in dBm, based on all
     100             :          * surveyed channel data
     101             :          */
     102             :         s8 min_nf;
     103             : 
     104             : #ifdef CONFIG_ACS
     105             :         /**
     106             :          * interference_factor - Computed interference factor on this
     107             :          * channel (used internally in src/ap/acs.c; driver wrappers do not
     108             :          * need to set this)
     109             :          */
     110             :         long double interference_factor;
     111             : #endif /* CONFIG_ACS */
     112             : 
     113             :         /**
     114             :          * dfs_cac_ms - DFS CAC time in milliseconds
     115             :          */
     116             :         unsigned int dfs_cac_ms;
     117             : };
     118             : 
     119             : #define HOSTAPD_MODE_FLAG_HT_INFO_KNOWN BIT(0)
     120             : #define HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN BIT(1)
     121             : 
     122             : /**
     123             :  * struct hostapd_hw_modes - Supported hardware mode information
     124             :  */
     125             : struct hostapd_hw_modes {
     126             :         /**
     127             :          * mode - Hardware mode
     128             :          */
     129             :         enum hostapd_hw_mode mode;
     130             : 
     131             :         /**
     132             :          * num_channels - Number of entries in the channels array
     133             :          */
     134             :         int num_channels;
     135             : 
     136             :         /**
     137             :          * channels - Array of supported channels
     138             :          */
     139             :         struct hostapd_channel_data *channels;
     140             : 
     141             :         /**
     142             :          * num_rates - Number of entries in the rates array
     143             :          */
     144             :         int num_rates;
     145             : 
     146             :         /**
     147             :          * rates - Array of supported rates in 100 kbps units
     148             :          */
     149             :         int *rates;
     150             : 
     151             :         /**
     152             :          * ht_capab - HT (IEEE 802.11n) capabilities
     153             :          */
     154             :         u16 ht_capab;
     155             : 
     156             :         /**
     157             :          * mcs_set - MCS (IEEE 802.11n) rate parameters
     158             :          */
     159             :         u8 mcs_set[16];
     160             : 
     161             :         /**
     162             :          * a_mpdu_params - A-MPDU (IEEE 802.11n) parameters
     163             :          */
     164             :         u8 a_mpdu_params;
     165             : 
     166             :         /**
     167             :          * vht_capab - VHT (IEEE 802.11ac) capabilities
     168             :          */
     169             :         u32 vht_capab;
     170             : 
     171             :         /**
     172             :          * vht_mcs_set - VHT MCS (IEEE 802.11ac) rate parameters
     173             :          */
     174             :         u8 vht_mcs_set[8];
     175             : 
     176             :         unsigned int flags; /* HOSTAPD_MODE_FLAG_* */
     177             : };
     178             : 
     179             : 
     180             : #define IEEE80211_MODE_INFRA    0
     181             : #define IEEE80211_MODE_IBSS     1
     182             : #define IEEE80211_MODE_AP       2
     183             : #define IEEE80211_MODE_MESH     5
     184             : 
     185             : #define IEEE80211_CAP_ESS       0x0001
     186             : #define IEEE80211_CAP_IBSS      0x0002
     187             : #define IEEE80211_CAP_PRIVACY   0x0010
     188             : #define IEEE80211_CAP_RRM       0x1000
     189             : 
     190             : /* DMG (60 GHz) IEEE 802.11ad */
     191             : /* type - bits 0..1 */
     192             : #define IEEE80211_CAP_DMG_MASK  0x0003
     193             : #define IEEE80211_CAP_DMG_IBSS  0x0001 /* Tx by: STA */
     194             : #define IEEE80211_CAP_DMG_PBSS  0x0002 /* Tx by: PCP */
     195             : #define IEEE80211_CAP_DMG_AP    0x0003 /* Tx by: AP */
     196             : 
     197             : #define WPA_SCAN_QUAL_INVALID           BIT(0)
     198             : #define WPA_SCAN_NOISE_INVALID          BIT(1)
     199             : #define WPA_SCAN_LEVEL_INVALID          BIT(2)
     200             : #define WPA_SCAN_LEVEL_DBM              BIT(3)
     201             : #define WPA_SCAN_ASSOCIATED             BIT(5)
     202             : 
     203             : /**
     204             :  * struct wpa_scan_res - Scan result for an BSS/IBSS
     205             :  * @flags: information flags about the BSS/IBSS (WPA_SCAN_*)
     206             :  * @bssid: BSSID
     207             :  * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
     208             :  * @beacon_int: beacon interval in TUs (host byte order)
     209             :  * @caps: capability information field in host byte order
     210             :  * @qual: signal quality
     211             :  * @noise: noise level
     212             :  * @level: signal level
     213             :  * @tsf: Timestamp
     214             :  * @age: Age of the information in milliseconds (i.e., how many milliseconds
     215             :  * ago the last Beacon or Probe Response frame was received)
     216             :  * @est_throughput: Estimated throughput in kbps (this is calculated during
     217             :  * scan result processing if left zero by the driver wrapper)
     218             :  * @snr: Signal-to-noise ratio in dB (calculated during scan result processing)
     219             :  * @ie_len: length of the following IE field in octets
     220             :  * @beacon_ie_len: length of the following Beacon IE field in octets
     221             :  *
     222             :  * This structure is used as a generic format for scan results from the
     223             :  * driver. Each driver interface implementation is responsible for converting
     224             :  * the driver or OS specific scan results into this format.
     225             :  *
     226             :  * If the driver does not support reporting all IEs, the IE data structure is
     227             :  * constructed of the IEs that are available. This field will also need to
     228             :  * include SSID in IE format. All drivers are encouraged to be extended to
     229             :  * report all IEs to make it easier to support future additions.
     230             :  *
     231             :  * This structure data is followed by ie_len octets of IEs from Probe Response
     232             :  * frame (or if the driver does not indicate source of IEs, these may also be
     233             :  * from Beacon frame). After the first set of IEs, another set of IEs may follow
     234             :  * (with beacon_ie_len octets of data) if the driver provides both IE sets.
     235             :  */
     236             : struct wpa_scan_res {
     237             :         unsigned int flags;
     238             :         u8 bssid[ETH_ALEN];
     239             :         int freq;
     240             :         u16 beacon_int;
     241             :         u16 caps;
     242             :         int qual;
     243             :         int noise;
     244             :         int level;
     245             :         u64 tsf;
     246             :         unsigned int age;
     247             :         unsigned int est_throughput;
     248             :         int snr;
     249             :         size_t ie_len;
     250             :         size_t beacon_ie_len;
     251             :         /* Followed by ie_len + beacon_ie_len octets of IE data */
     252             : };
     253             : 
     254             : /**
     255             :  * struct wpa_scan_results - Scan results
     256             :  * @res: Array of pointers to allocated variable length scan result entries
     257             :  * @num: Number of entries in the scan result array
     258             :  * @fetch_time: Time when the results were fetched from the driver
     259             :  */
     260             : struct wpa_scan_results {
     261             :         struct wpa_scan_res **res;
     262             :         size_t num;
     263             :         struct os_reltime fetch_time;
     264             : };
     265             : 
     266             : /**
     267             :  * struct wpa_interface_info - Network interface information
     268             :  * @next: Pointer to the next interface or NULL if this is the last one
     269             :  * @ifname: Interface name that can be used with init() or init2()
     270             :  * @desc: Human readable adapter description (e.g., vendor/model) or NULL if
     271             :  *      not available
     272             :  * @drv_name: struct wpa_driver_ops::name (note: unlike other strings, this one
     273             :  *      is not an allocated copy, i.e., get_interfaces() caller will not free
     274             :  *      this)
     275             :  */
     276             : struct wpa_interface_info {
     277             :         struct wpa_interface_info *next;
     278             :         char *ifname;
     279             :         char *desc;
     280             :         const char *drv_name;
     281             : };
     282             : 
     283             : #define WPAS_MAX_SCAN_SSIDS 16
     284             : 
     285             : /**
     286             :  * struct wpa_driver_scan_params - Scan parameters
     287             :  * Data for struct wpa_driver_ops::scan2().
     288             :  */
     289             : struct wpa_driver_scan_params {
     290             :         /**
     291             :          * ssids - SSIDs to scan for
     292             :          */
     293             :         struct wpa_driver_scan_ssid {
     294             :                 /**
     295             :                  * ssid - specific SSID to scan for (ProbeReq)
     296             :                  * %NULL or zero-length SSID is used to indicate active scan
     297             :                  * with wildcard SSID.
     298             :                  */
     299             :                 const u8 *ssid;
     300             :                 /**
     301             :                  * ssid_len: Length of the SSID in octets
     302             :                  */
     303             :                 size_t ssid_len;
     304             :         } ssids[WPAS_MAX_SCAN_SSIDS];
     305             : 
     306             :         /**
     307             :          * num_ssids - Number of entries in ssids array
     308             :          * Zero indicates a request for a passive scan.
     309             :          */
     310             :         size_t num_ssids;
     311             : 
     312             :         /**
     313             :          * extra_ies - Extra IE(s) to add into Probe Request or %NULL
     314             :          */
     315             :         const u8 *extra_ies;
     316             : 
     317             :         /**
     318             :          * extra_ies_len - Length of extra_ies in octets
     319             :          */
     320             :         size_t extra_ies_len;
     321             : 
     322             :         /**
     323             :          * freqs - Array of frequencies to scan or %NULL for all frequencies
     324             :          *
     325             :          * The frequency is set in MHz. The array is zero-terminated.
     326             :          */
     327             :         int *freqs;
     328             : 
     329             :         /**
     330             :          * filter_ssids - Filter for reporting SSIDs
     331             :          *
     332             :          * This optional parameter can be used to request the driver wrapper to
     333             :          * filter scan results to include only the specified SSIDs. %NULL
     334             :          * indicates that no filtering is to be done. This can be used to
     335             :          * reduce memory needs for scan results in environments that have large
     336             :          * number of APs with different SSIDs.
     337             :          *
     338             :          * The driver wrapper is allowed to take this allocated buffer into its
     339             :          * own use by setting the pointer to %NULL. In that case, the driver
     340             :          * wrapper is responsible for freeing the buffer with os_free() once it
     341             :          * is not needed anymore.
     342             :          */
     343             :         struct wpa_driver_scan_filter {
     344             :                 u8 ssid[32];
     345             :                 size_t ssid_len;
     346             :         } *filter_ssids;
     347             : 
     348             :         /**
     349             :          * num_filter_ssids - Number of entries in filter_ssids array
     350             :          */
     351             :         size_t num_filter_ssids;
     352             : 
     353             :         /**
     354             :          * filter_rssi - Filter by RSSI
     355             :          *
     356             :          * The driver may filter scan results in firmware to reduce host
     357             :          * wakeups and thereby save power. Specify the RSSI threshold in s32
     358             :          * dBm.
     359             :          */
     360             :         s32 filter_rssi;
     361             : 
     362             :         /**
     363             :          * p2p_probe - Used to disable CCK (802.11b) rates for P2P probes
     364             :          *
     365             :          * When set, the driver is expected to remove rates 1, 2, 5.5, and 11
     366             :          * Mbps from the support rates element(s) in the Probe Request frames
     367             :          * and not to transmit the frames at any of those rates.
     368             :          */
     369             :         unsigned int p2p_probe:1;
     370             : 
     371             :         /**
     372             :          * only_new_results - Request driver to report only new results
     373             :          *
     374             :          * This is used to request the driver to report only BSSes that have
     375             :          * been detected after this scan request has been started, i.e., to
     376             :          * flush old cached BSS entries.
     377             :          */
     378             :         unsigned int only_new_results:1;
     379             : 
     380             :         /**
     381             :          * low_priority - Requests driver to use a lower scan priority
     382             :          *
     383             :          * This is used to request the driver to use a lower scan priority
     384             :          * if it supports such a thing.
     385             :          */
     386             :         unsigned int low_priority:1;
     387             : 
     388             :         /**
     389             :          * mac_addr_rand - Requests driver to randomize MAC address
     390             :          */
     391             :         unsigned int mac_addr_rand:1;
     392             : 
     393             :         /**
     394             :          * mac_addr - MAC address used with randomization. The address cannot be
     395             :          * a multicast one, i.e., bit 0 of byte 0 should not be set.
     396             :          */
     397             :         const u8 *mac_addr;
     398             : 
     399             :         /**
     400             :          * mac_addr_mask - MAC address mask used with randomization.
     401             :          *
     402             :          * Bits that are 0 in the mask should be randomized. Bits that are 1 in
     403             :          * the mask should be taken as is from mac_addr. The mask should not
     404             :          * allow the generation of a multicast address, i.e., bit 0 of byte 0
     405             :          * must be set.
     406             :          */
     407             :         const u8 *mac_addr_mask;
     408             : 
     409             :         /*
     410             :          * NOTE: Whenever adding new parameters here, please make sure
     411             :          * wpa_scan_clone_params() and wpa_scan_free_params() get updated with
     412             :          * matching changes.
     413             :          */
     414             : };
     415             : 
     416             : /**
     417             :  * struct wpa_driver_auth_params - Authentication parameters
     418             :  * Data for struct wpa_driver_ops::authenticate().
     419             :  */
     420             : struct wpa_driver_auth_params {
     421             :         int freq;
     422             :         const u8 *bssid;
     423             :         const u8 *ssid;
     424             :         size_t ssid_len;
     425             :         int auth_alg;
     426             :         const u8 *ie;
     427             :         size_t ie_len;
     428             :         const u8 *wep_key[4];
     429             :         size_t wep_key_len[4];
     430             :         int wep_tx_keyidx;
     431             :         int local_state_change;
     432             : 
     433             :         /**
     434             :          * p2p - Whether this connection is a P2P group
     435             :          */
     436             :         int p2p;
     437             : 
     438             :         /**
     439             :          * sae_data - SAE elements for Authentication frame
     440             :          *
     441             :          * This buffer starts with the Authentication transaction sequence
     442             :          * number field. If SAE is not used, this pointer is %NULL.
     443             :          */
     444             :         const u8 *sae_data;
     445             : 
     446             :         /**
     447             :          * sae_data_len - Length of sae_data buffer in octets
     448             :          */
     449             :         size_t sae_data_len;
     450             : };
     451             : 
     452             : /**
     453             :  * enum wps_mode - WPS mode
     454             :  */
     455             : enum wps_mode {
     456             :         /**
     457             :          * WPS_MODE_NONE - No WPS provisioning being used
     458             :          */
     459             :         WPS_MODE_NONE,
     460             : 
     461             :         /**
     462             :          * WPS_MODE_OPEN - WPS provisioning with AP that is in open mode
     463             :          */
     464             :         WPS_MODE_OPEN,
     465             : 
     466             :         /**
     467             :          * WPS_MODE_PRIVACY - WPS provisioning with AP that is using protection
     468             :          */
     469             :         WPS_MODE_PRIVACY
     470             : };
     471             : 
     472             : /**
     473             :  * struct hostapd_freq_params - Channel parameters
     474             :  */
     475             : struct hostapd_freq_params {
     476             :         /**
     477             :          * mode - Mode/band (HOSTAPD_MODE_IEEE80211A, ..)
     478             :          */
     479             :         enum hostapd_hw_mode mode;
     480             : 
     481             :         /**
     482             :          * freq - Primary channel center frequency in MHz
     483             :          */
     484             :         int freq;
     485             : 
     486             :         /**
     487             :          * channel - Channel number
     488             :          */
     489             :         int channel;
     490             : 
     491             :         /**
     492             :          * ht_enabled - Whether HT is enabled
     493             :          */
     494             :         int ht_enabled;
     495             : 
     496             :         /**
     497             :          * sec_channel_offset - Secondary channel offset for HT40
     498             :          *
     499             :          * 0 = HT40 disabled,
     500             :          * -1 = HT40 enabled, secondary channel below primary,
     501             :          * 1 = HT40 enabled, secondary channel above primary
     502             :          */
     503             :         int sec_channel_offset;
     504             : 
     505             :         /**
     506             :          * vht_enabled - Whether VHT is enabled
     507             :          */
     508             :         int vht_enabled;
     509             : 
     510             :         /**
     511             :          * center_freq1 - Segment 0 center frequency in MHz
     512             :          *
     513             :          * Valid for both HT and VHT.
     514             :          */
     515             :         int center_freq1;
     516             : 
     517             :         /**
     518             :          * center_freq2 - Segment 1 center frequency in MHz
     519             :          *
     520             :          * Non-zero only for bandwidth 80 and an 80+80 channel
     521             :          */
     522             :         int center_freq2;
     523             : 
     524             :         /**
     525             :          * bandwidth - Channel bandwidth in MHz (20, 40, 80, 160)
     526             :          */
     527             :         int bandwidth;
     528             : };
     529             : 
     530             : /**
     531             :  * struct wpa_driver_associate_params - Association parameters
     532             :  * Data for struct wpa_driver_ops::associate().
     533             :  */
     534             : struct wpa_driver_associate_params {
     535             :         /**
     536             :          * bssid - BSSID of the selected AP
     537             :          * This can be %NULL, if ap_scan=2 mode is used and the driver is
     538             :          * responsible for selecting with which BSS to associate. */
     539             :         const u8 *bssid;
     540             : 
     541             :         /**
     542             :          * bssid_hint - BSSID of a proposed AP
     543             :          *
     544             :          * This indicates which BSS has been found a suitable candidate for
     545             :          * initial association for drivers that use driver/firmwate-based BSS
     546             :          * selection. Unlike the @bssid parameter, @bssid_hint does not limit
     547             :          * the driver from selecting other BSSes in the ESS.
     548             :          */
     549             :         const u8 *bssid_hint;
     550             : 
     551             :         /**
     552             :          * ssid - The selected SSID
     553             :          */
     554             :         const u8 *ssid;
     555             : 
     556             :         /**
     557             :          * ssid_len - Length of the SSID (1..32)
     558             :          */
     559             :         size_t ssid_len;
     560             : 
     561             :         /**
     562             :          * freq - channel parameters
     563             :          */
     564             :         struct hostapd_freq_params freq;
     565             : 
     566             :         /**
     567             :          * freq_hint - Frequency of the channel the proposed AP is using
     568             :          *
     569             :          * This provides a channel on which a suitable BSS has been found as a
     570             :          * hint for the driver. Unlike the @freq parameter, @freq_hint does not
     571             :          * limit the driver from selecting other channels for
     572             :          * driver/firmware-based BSS selection.
     573             :          */
     574             :         int freq_hint;
     575             : 
     576             :         /**
     577             :          * bg_scan_period - Background scan period in seconds, 0 to disable
     578             :          * background scan, or -1 to indicate no change to default driver
     579             :          * configuration
     580             :          */
     581             :         int bg_scan_period;
     582             : 
     583             :         /**
     584             :          * beacon_int - Beacon interval for IBSS or 0 to use driver default
     585             :          */
     586             :         int beacon_int;
     587             : 
     588             :         /**
     589             :          * wpa_ie - WPA information element for (Re)Association Request
     590             :          * WPA information element to be included in (Re)Association
     591             :          * Request (including information element id and length). Use
     592             :          * of this WPA IE is optional. If the driver generates the WPA
     593             :          * IE, it can use pairwise_suite, group_suite, and
     594             :          * key_mgmt_suite to select proper algorithms. In this case,
     595             :          * the driver has to notify wpa_supplicant about the used WPA
     596             :          * IE by generating an event that the interface code will
     597             :          * convert into EVENT_ASSOCINFO data (see below).
     598             :          *
     599             :          * When using WPA2/IEEE 802.11i, wpa_ie is used for RSN IE
     600             :          * instead. The driver can determine which version is used by
     601             :          * looking at the first byte of the IE (0xdd for WPA, 0x30 for
     602             :          * WPA2/RSN).
     603             :          *
     604             :          * When using WPS, wpa_ie is used for WPS IE instead of WPA/RSN IE.
     605             :          */
     606             :         const u8 *wpa_ie;
     607             : 
     608             :         /**
     609             :          * wpa_ie_len - length of the wpa_ie
     610             :          */
     611             :         size_t wpa_ie_len;
     612             : 
     613             :         /**
     614             :          * wpa_proto - Bitfield of WPA_PROTO_* values to indicate WPA/WPA2
     615             :          */
     616             :         unsigned int wpa_proto;
     617             : 
     618             :         /**
     619             :          * pairwise_suite - Selected pairwise cipher suite (WPA_CIPHER_*)
     620             :          *
     621             :          * This is usually ignored if @wpa_ie is used.
     622             :          */
     623             :         unsigned int pairwise_suite;
     624             : 
     625             :         /**
     626             :          * group_suite - Selected group cipher suite (WPA_CIPHER_*)
     627             :          *
     628             :          * This is usually ignored if @wpa_ie is used.
     629             :          */
     630             :         unsigned int group_suite;
     631             : 
     632             :         /**
     633             :          * key_mgmt_suite - Selected key management suite (WPA_KEY_MGMT_*)
     634             :          *
     635             :          * This is usually ignored if @wpa_ie is used.
     636             :          */
     637             :         unsigned int key_mgmt_suite;
     638             : 
     639             :         /**
     640             :          * auth_alg - Allowed authentication algorithms
     641             :          * Bit field of WPA_AUTH_ALG_*
     642             :          */
     643             :         int auth_alg;
     644             : 
     645             :         /**
     646             :          * mode - Operation mode (infra/ibss) IEEE80211_MODE_*
     647             :          */
     648             :         int mode;
     649             : 
     650             :         /**
     651             :          * wep_key - WEP keys for static WEP configuration
     652             :          */
     653             :         const u8 *wep_key[4];
     654             : 
     655             :         /**
     656             :          * wep_key_len - WEP key length for static WEP configuration
     657             :          */
     658             :         size_t wep_key_len[4];
     659             : 
     660             :         /**
     661             :          * wep_tx_keyidx - WEP TX key index for static WEP configuration
     662             :          */
     663             :         int wep_tx_keyidx;
     664             : 
     665             :         /**
     666             :          * mgmt_frame_protection - IEEE 802.11w management frame protection
     667             :          */
     668             :         enum mfp_options mgmt_frame_protection;
     669             : 
     670             :         /**
     671             :          * ft_ies - IEEE 802.11r / FT information elements
     672             :          * If the supplicant is using IEEE 802.11r (FT) and has the needed keys
     673             :          * for fast transition, this parameter is set to include the IEs that
     674             :          * are to be sent in the next FT Authentication Request message.
     675             :          * update_ft_ies() handler is called to update the IEs for further
     676             :          * FT messages in the sequence.
     677             :          *
     678             :          * The driver should use these IEs only if the target AP is advertising
     679             :          * the same mobility domain as the one included in the MDIE here.
     680             :          *
     681             :          * In ap_scan=2 mode, the driver can use these IEs when moving to a new
     682             :          * AP after the initial association. These IEs can only be used if the
     683             :          * target AP is advertising support for FT and is using the same MDIE
     684             :          * and SSID as the current AP.
     685             :          *
     686             :          * The driver is responsible for reporting the FT IEs received from the
     687             :          * AP's response using wpa_supplicant_event() with EVENT_FT_RESPONSE
     688             :          * type. update_ft_ies() handler will then be called with the FT IEs to
     689             :          * include in the next frame in the authentication sequence.
     690             :          */
     691             :         const u8 *ft_ies;
     692             : 
     693             :         /**
     694             :          * ft_ies_len - Length of ft_ies in bytes
     695             :          */
     696             :         size_t ft_ies_len;
     697             : 
     698             :         /**
     699             :          * ft_md - FT Mobility domain (6 octets) (also included inside ft_ies)
     700             :          *
     701             :          * This value is provided to allow the driver interface easier access
     702             :          * to the current mobility domain. This value is set to %NULL if no
     703             :          * mobility domain is currently active.
     704             :          */
     705             :         const u8 *ft_md;
     706             : 
     707             :         /**
     708             :          * passphrase - RSN passphrase for PSK
     709             :          *
     710             :          * This value is made available only for WPA/WPA2-Personal (PSK) and
     711             :          * only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is
     712             :          * the 8..63 character ASCII passphrase, if available. Please note that
     713             :          * this can be %NULL if passphrase was not used to generate the PSK. In
     714             :          * that case, the psk field must be used to fetch the PSK.
     715             :          */
     716             :         const char *passphrase;
     717             : 
     718             :         /**
     719             :          * psk - RSN PSK (alternative for passphrase for PSK)
     720             :          *
     721             :          * This value is made available only for WPA/WPA2-Personal (PSK) and
     722             :          * only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is
     723             :          * the 32-octet (256-bit) PSK, if available. The driver wrapper should
     724             :          * be prepared to handle %NULL value as an error.
     725             :          */
     726             :         const u8 *psk;
     727             : 
     728             :         /**
     729             :          * drop_unencrypted - Enable/disable unencrypted frame filtering
     730             :          *
     731             :          * Configure the driver to drop all non-EAPOL frames (both receive and
     732             :          * transmit paths). Unencrypted EAPOL frames (ethertype 0x888e) must
     733             :          * still be allowed for key negotiation.
     734             :          */
     735             :         int drop_unencrypted;
     736             : 
     737             :         /**
     738             :          * prev_bssid - Previously used BSSID in this ESS
     739             :          *
     740             :          * When not %NULL, this is a request to use reassociation instead of
     741             :          * association.
     742             :          */
     743             :         const u8 *prev_bssid;
     744             : 
     745             :         /**
     746             :          * wps - WPS mode
     747             :          *
     748             :          * If the driver needs to do special configuration for WPS association,
     749             :          * this variable provides more information on what type of association
     750             :          * is being requested. Most drivers should not need ot use this.
     751             :          */
     752             :         enum wps_mode wps;
     753             : 
     754             :         /**
     755             :          * p2p - Whether this connection is a P2P group
     756             :          */
     757             :         int p2p;
     758             : 
     759             :         /**
     760             :          * uapsd - UAPSD parameters for the network
     761             :          * -1 = do not change defaults
     762             :          * AP mode: 1 = enabled, 0 = disabled
     763             :          * STA mode: bits 0..3 UAPSD enabled for VO,VI,BK,BE
     764             :          */
     765             :         int uapsd;
     766             : 
     767             :         /**
     768             :          * fixed_bssid - Whether to force this BSSID in IBSS mode
     769             :          * 1 = Fix this BSSID and prevent merges.
     770             :          * 0 = Do not fix BSSID.
     771             :          */
     772             :         int fixed_bssid;
     773             : 
     774             :         /**
     775             :          * fixed_freq - Fix control channel in IBSS mode
     776             :          * 0 = don't fix control channel (default)
     777             :          * 1 = fix control channel; this prevents IBSS merging with another
     778             :          *      channel
     779             :          */
     780             :         int fixed_freq;
     781             : 
     782             :         /**
     783             :          * disable_ht - Disable HT (IEEE 802.11n) for this connection
     784             :          */
     785             :         int disable_ht;
     786             : 
     787             :         /**
     788             :          * htcaps - HT Capabilities over-rides
     789             :          *
     790             :          * Only bits set in the mask will be used, and not all values are used
     791             :          * by the kernel anyway. Currently, MCS, MPDU and MSDU fields are used.
     792             :          *
     793             :          * Pointer to struct ieee80211_ht_capabilities.
     794             :          */
     795             :         const u8 *htcaps;
     796             : 
     797             :         /**
     798             :          * htcaps_mask - HT Capabilities over-rides mask
     799             :          *
     800             :          * Pointer to struct ieee80211_ht_capabilities.
     801             :          */
     802             :         const u8 *htcaps_mask;
     803             : 
     804             : #ifdef CONFIG_VHT_OVERRIDES
     805             :         /**
     806             :          * disable_vht - Disable VHT for this connection
     807             :          */
     808             :         int disable_vht;
     809             : 
     810             :         /**
     811             :          * VHT capability overrides.
     812             :          */
     813             :         const struct ieee80211_vht_capabilities *vhtcaps;
     814             :         const struct ieee80211_vht_capabilities *vhtcaps_mask;
     815             : #endif /* CONFIG_VHT_OVERRIDES */
     816             : 
     817             :         /**
     818             :          * req_key_mgmt_offload - Request key management offload for connection
     819             :          *
     820             :          * Request key management offload for this connection if the device
     821             :          * supports it.
     822             :          */
     823             :         int req_key_mgmt_offload;
     824             : 
     825             :         /**
     826             :          * Flag for indicating whether this association includes support for
     827             :          * RRM (Radio Resource Measurements)
     828             :          */
     829             :         int rrm_used;
     830             : };
     831             : 
     832             : enum hide_ssid {
     833             :         NO_SSID_HIDING,
     834             :         HIDDEN_SSID_ZERO_LEN,
     835             :         HIDDEN_SSID_ZERO_CONTENTS
     836             : };
     837             : 
     838             : struct wowlan_triggers {
     839             :         u8 any;
     840             :         u8 disconnect;
     841             :         u8 magic_pkt;
     842             :         u8 gtk_rekey_failure;
     843             :         u8 eap_identity_req;
     844             :         u8 four_way_handshake;
     845             :         u8 rfkill_release;
     846             : };
     847             : 
     848             : struct wpa_driver_ap_params {
     849             :         /**
     850             :          * head - Beacon head from IEEE 802.11 header to IEs before TIM IE
     851             :          */
     852             :         u8 *head;
     853             : 
     854             :         /**
     855             :          * head_len - Length of the head buffer in octets
     856             :          */
     857             :         size_t head_len;
     858             : 
     859             :         /**
     860             :          * tail - Beacon tail following TIM IE
     861             :          */
     862             :         u8 *tail;
     863             : 
     864             :         /**
     865             :          * tail_len - Length of the tail buffer in octets
     866             :          */
     867             :         size_t tail_len;
     868             : 
     869             :         /**
     870             :          * dtim_period - DTIM period
     871             :          */
     872             :         int dtim_period;
     873             : 
     874             :         /**
     875             :          * beacon_int - Beacon interval
     876             :          */
     877             :         int beacon_int;
     878             : 
     879             :         /**
     880             :          * basic_rates: -1 terminated array of basic rates in 100 kbps
     881             :          *
     882             :          * This parameter can be used to set a specific basic rate set for the
     883             :          * BSS. If %NULL, default basic rate set is used.
     884             :          */
     885             :         int *basic_rates;
     886             : 
     887             :         /**
     888             :          * proberesp - Probe Response template
     889             :          *
     890             :          * This is used by drivers that reply to Probe Requests internally in
     891             :          * AP mode and require the full Probe Response template.
     892             :          */
     893             :         u8 *proberesp;
     894             : 
     895             :         /**
     896             :          * proberesp_len - Length of the proberesp buffer in octets
     897             :          */
     898             :         size_t proberesp_len;
     899             : 
     900             :         /**
     901             :          * ssid - The SSID to use in Beacon/Probe Response frames
     902             :          */
     903             :         const u8 *ssid;
     904             : 
     905             :         /**
     906             :          * ssid_len - Length of the SSID (1..32)
     907             :          */
     908             :         size_t ssid_len;
     909             : 
     910             :         /**
     911             :          * hide_ssid - Whether to hide the SSID
     912             :          */
     913             :         enum hide_ssid hide_ssid;
     914             : 
     915             :         /**
     916             :          * pairwise_ciphers - WPA_CIPHER_* bitfield
     917             :          */
     918             :         unsigned int pairwise_ciphers;
     919             : 
     920             :         /**
     921             :          * group_cipher - WPA_CIPHER_*
     922             :          */
     923             :         unsigned int group_cipher;
     924             : 
     925             :         /**
     926             :          * key_mgmt_suites - WPA_KEY_MGMT_* bitfield
     927             :          */
     928             :         unsigned int key_mgmt_suites;
     929             : 
     930             :         /**
     931             :          * auth_algs - WPA_AUTH_ALG_* bitfield
     932             :          */
     933             :         unsigned int auth_algs;
     934             : 
     935             :         /**
     936             :          * wpa_version - WPA_PROTO_* bitfield
     937             :          */
     938             :         unsigned int wpa_version;
     939             : 
     940             :         /**
     941             :          * privacy - Whether privacy is used in the BSS
     942             :          */
     943             :         int privacy;
     944             : 
     945             :         /**
     946             :          * beacon_ies - WPS/P2P IE(s) for Beacon frames
     947             :          *
     948             :          * This is used to add IEs like WPS IE and P2P IE by drivers that do
     949             :          * not use the full Beacon template.
     950             :          */
     951             :         const struct wpabuf *beacon_ies;
     952             : 
     953             :         /**
     954             :          * proberesp_ies - P2P/WPS IE(s) for Probe Response frames
     955             :          *
     956             :          * This is used to add IEs like WPS IE and P2P IE by drivers that
     957             :          * reply to Probe Request frames internally.
     958             :          */
     959             :         const struct wpabuf *proberesp_ies;
     960             : 
     961             :         /**
     962             :          * assocresp_ies - WPS IE(s) for (Re)Association Response frames
     963             :          *
     964             :          * This is used to add IEs like WPS IE by drivers that reply to
     965             :          * (Re)Association Request frames internally.
     966             :          */
     967             :         const struct wpabuf *assocresp_ies;
     968             : 
     969             :         /**
     970             :          * isolate - Whether to isolate frames between associated stations
     971             :          *
     972             :          * If this is non-zero, the AP is requested to disable forwarding of
     973             :          * frames between associated stations.
     974             :          */
     975             :         int isolate;
     976             : 
     977             :         /**
     978             :          * cts_protect - Whether CTS protection is enabled
     979             :          */
     980             :         int cts_protect;
     981             : 
     982             :         /**
     983             :          * preamble - Whether short preamble is enabled
     984             :          */
     985             :         int preamble;
     986             : 
     987             :         /**
     988             :          * short_slot_time - Whether short slot time is enabled
     989             :          *
     990             :          * 0 = short slot time disable, 1 = short slot time enabled, -1 = do
     991             :          * not set (e.g., when 802.11g mode is not in use)
     992             :          */
     993             :         int short_slot_time;
     994             : 
     995             :         /**
     996             :          * ht_opmode - HT operation mode or -1 if HT not in use
     997             :          */
     998             :         int ht_opmode;
     999             : 
    1000             :         /**
    1001             :          * interworking - Whether Interworking is enabled
    1002             :          */
    1003             :         int interworking;
    1004             : 
    1005             :         /**
    1006             :          * hessid - Homogeneous ESS identifier or %NULL if not set
    1007             :          */
    1008             :         const u8 *hessid;
    1009             : 
    1010             :         /**
    1011             :          * access_network_type - Access Network Type (0..15)
    1012             :          *
    1013             :          * This is used for filtering Probe Request frames when Interworking is
    1014             :          * enabled.
    1015             :          */
    1016             :         u8 access_network_type;
    1017             : 
    1018             :         /**
    1019             :          * ap_max_inactivity - Timeout in seconds to detect STA's inactivity
    1020             :          *
    1021             :          * This is used by driver which advertises this capability.
    1022             :          */
    1023             :         int ap_max_inactivity;
    1024             : 
    1025             :         /**
    1026             :          * ctwindow - Client Traffic Window (in TUs)
    1027             :          */
    1028             :         u8 p2p_go_ctwindow;
    1029             : 
    1030             :         /**
    1031             :          * smps_mode - SMPS mode
    1032             :          *
    1033             :          * SMPS mode to be used by the AP, specified as the relevant bits of
    1034             :          * ht_capab (i.e. HT_CAP_INFO_SMPS_*).
    1035             :          */
    1036             :         unsigned int smps_mode;
    1037             : 
    1038             :         /**
    1039             :          * disable_dgaf - Whether group-addressed frames are disabled
    1040             :          */
    1041             :         int disable_dgaf;
    1042             : 
    1043             :         /**
    1044             :          * osen - Whether OSEN security is enabled
    1045             :          */
    1046             :         int osen;
    1047             : 
    1048             :         /**
    1049             :          * freq - Channel parameters for dynamic bandwidth changes
    1050             :          */
    1051             :         struct hostapd_freq_params *freq;
    1052             : 
    1053             :         /**
    1054             :          * reenable - Whether this is to re-enable beaconing
    1055             :          */
    1056             :         int reenable;
    1057             : };
    1058             : 
    1059             : struct wpa_driver_mesh_bss_params {
    1060             : #define WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS   0x00000001
    1061             :         /*
    1062             :          * TODO: Other mesh configuration parameters would go here.
    1063             :          * See NL80211_MESHCONF_* for all the mesh config parameters.
    1064             :          */
    1065             :         unsigned int flags;
    1066             :         int peer_link_timeout;
    1067             : };
    1068             : 
    1069             : struct wpa_driver_mesh_join_params {
    1070             :         const u8 *meshid;
    1071             :         int meshid_len;
    1072             :         const int *basic_rates;
    1073             :         const u8 *ies;
    1074             :         int ie_len;
    1075             :         struct hostapd_freq_params freq;
    1076             :         int beacon_int;
    1077             :         int max_peer_links;
    1078             :         struct wpa_driver_mesh_bss_params conf;
    1079             : #define WPA_DRIVER_MESH_FLAG_USER_MPM   0x00000001
    1080             : #define WPA_DRIVER_MESH_FLAG_DRIVER_MPM 0x00000002
    1081             : #define WPA_DRIVER_MESH_FLAG_SAE_AUTH   0x00000004
    1082             : #define WPA_DRIVER_MESH_FLAG_AMPE       0x00000008
    1083             :         unsigned int flags;
    1084             : };
    1085             : 
    1086             : /**
    1087             :  * struct wpa_driver_capa - Driver capability information
    1088             :  */
    1089             : struct wpa_driver_capa {
    1090             : #define WPA_DRIVER_CAPA_KEY_MGMT_WPA            0x00000001
    1091             : #define WPA_DRIVER_CAPA_KEY_MGMT_WPA2           0x00000002
    1092             : #define WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK        0x00000004
    1093             : #define WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK       0x00000008
    1094             : #define WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE       0x00000010
    1095             : #define WPA_DRIVER_CAPA_KEY_MGMT_FT             0x00000020
    1096             : #define WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK         0x00000040
    1097             : #define WPA_DRIVER_CAPA_KEY_MGMT_WAPI_PSK       0x00000080
    1098             : #define WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B        0x00000100
    1099             : #define WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192    0x00000200
    1100             :         /** Bitfield of supported key management suites */
    1101             :         unsigned int key_mgmt;
    1102             : 
    1103             : #define WPA_DRIVER_CAPA_ENC_WEP40       0x00000001
    1104             : #define WPA_DRIVER_CAPA_ENC_WEP104      0x00000002
    1105             : #define WPA_DRIVER_CAPA_ENC_TKIP        0x00000004
    1106             : #define WPA_DRIVER_CAPA_ENC_CCMP        0x00000008
    1107             : #define WPA_DRIVER_CAPA_ENC_WEP128      0x00000010
    1108             : #define WPA_DRIVER_CAPA_ENC_GCMP        0x00000020
    1109             : #define WPA_DRIVER_CAPA_ENC_GCMP_256    0x00000040
    1110             : #define WPA_DRIVER_CAPA_ENC_CCMP_256    0x00000080
    1111             : #define WPA_DRIVER_CAPA_ENC_BIP         0x00000100
    1112             : #define WPA_DRIVER_CAPA_ENC_BIP_GMAC_128        0x00000200
    1113             : #define WPA_DRIVER_CAPA_ENC_BIP_GMAC_256        0x00000400
    1114             : #define WPA_DRIVER_CAPA_ENC_BIP_CMAC_256        0x00000800
    1115             : #define WPA_DRIVER_CAPA_ENC_GTK_NOT_USED        0x00001000
    1116             :         /** Bitfield of supported cipher suites */
    1117             :         unsigned int enc;
    1118             : 
    1119             : #define WPA_DRIVER_AUTH_OPEN            0x00000001
    1120             : #define WPA_DRIVER_AUTH_SHARED          0x00000002
    1121             : #define WPA_DRIVER_AUTH_LEAP            0x00000004
    1122             :         /** Bitfield of supported IEEE 802.11 authentication algorithms */
    1123             :         unsigned int auth;
    1124             : 
    1125             : /** Driver generated WPA/RSN IE */
    1126             : #define WPA_DRIVER_FLAGS_DRIVER_IE      0x00000001
    1127             : /** Driver needs static WEP key setup after association command */
    1128             : #define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC 0x00000002
    1129             : /** Driver takes care of all DFS operations */
    1130             : #define WPA_DRIVER_FLAGS_DFS_OFFLOAD                    0x00000004
    1131             : /** Driver takes care of RSN 4-way handshake internally; PMK is configured with
    1132             :  * struct wpa_driver_ops::set_key using alg = WPA_ALG_PMK */
    1133             : #define WPA_DRIVER_FLAGS_4WAY_HANDSHAKE 0x00000008
    1134             : /** Driver is for a wired Ethernet interface */
    1135             : #define WPA_DRIVER_FLAGS_WIRED          0x00000010
    1136             : /** Driver provides separate commands for authentication and association (SME in
    1137             :  * wpa_supplicant). */
    1138             : #define WPA_DRIVER_FLAGS_SME            0x00000020
    1139             : /** Driver supports AP mode */
    1140             : #define WPA_DRIVER_FLAGS_AP             0x00000040
    1141             : /** Driver needs static WEP key setup after association has been completed */
    1142             : #define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE      0x00000080
    1143             : /** Driver supports dynamic HT 20/40 MHz channel changes during BSS lifetime */
    1144             : #define WPA_DRIVER_FLAGS_HT_2040_COEX                   0x00000100
    1145             : /** Driver supports concurrent P2P operations */
    1146             : #define WPA_DRIVER_FLAGS_P2P_CONCURRENT 0x00000200
    1147             : /**
    1148             :  * Driver uses the initial interface as a dedicated management interface, i.e.,
    1149             :  * it cannot be used for P2P group operations or non-P2P purposes.
    1150             :  */
    1151             : #define WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE        0x00000400
    1152             : /** This interface is P2P capable (P2P GO or P2P Client) */
    1153             : #define WPA_DRIVER_FLAGS_P2P_CAPABLE    0x00000800
    1154             : /** Driver supports station and key removal when stopping an AP */
    1155             : #define WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT            0x00001000
    1156             : /**
    1157             :  * Driver uses the initial interface for P2P management interface and non-P2P
    1158             :  * purposes (e.g., connect to infra AP), but this interface cannot be used for
    1159             :  * P2P group operations.
    1160             :  */
    1161             : #define WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P           0x00002000
    1162             : /**
    1163             :  * Driver is known to use sane error codes, i.e., when it indicates that
    1164             :  * something (e.g., association) fails, there was indeed a failure and the
    1165             :  * operation does not end up getting completed successfully later.
    1166             :  */
    1167             : #define WPA_DRIVER_FLAGS_SANE_ERROR_CODES               0x00004000
    1168             : /** Driver supports off-channel TX */
    1169             : #define WPA_DRIVER_FLAGS_OFFCHANNEL_TX                  0x00008000
    1170             : /** Driver indicates TX status events for EAPOL Data frames */
    1171             : #define WPA_DRIVER_FLAGS_EAPOL_TX_STATUS                0x00010000
    1172             : /** Driver indicates TX status events for Deauth/Disassoc frames */
    1173             : #define WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS               0x00020000
    1174             : /** Driver supports roaming (BSS selection) in firmware */
    1175             : #define WPA_DRIVER_FLAGS_BSS_SELECTION                  0x00040000
    1176             : /** Driver supports operating as a TDLS peer */
    1177             : #define WPA_DRIVER_FLAGS_TDLS_SUPPORT                   0x00080000
    1178             : /** Driver requires external TDLS setup/teardown/discovery */
    1179             : #define WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP            0x00100000
    1180             : /** Driver indicates support for Probe Response offloading in AP mode */
    1181             : #define WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD             0x00200000
    1182             : /** Driver supports U-APSD in AP mode */
    1183             : #define WPA_DRIVER_FLAGS_AP_UAPSD                       0x00400000
    1184             : /** Driver supports inactivity timer in AP mode */
    1185             : #define WPA_DRIVER_FLAGS_INACTIVITY_TIMER               0x00800000
    1186             : /** Driver expects user space implementation of MLME in AP mode */
    1187             : #define WPA_DRIVER_FLAGS_AP_MLME                        0x01000000
    1188             : /** Driver supports SAE with user space SME */
    1189             : #define WPA_DRIVER_FLAGS_SAE                            0x02000000
    1190             : /** Driver makes use of OBSS scan mechanism in wpa_supplicant */
    1191             : #define WPA_DRIVER_FLAGS_OBSS_SCAN                      0x04000000
    1192             : /** Driver supports IBSS (Ad-hoc) mode */
    1193             : #define WPA_DRIVER_FLAGS_IBSS                           0x08000000
    1194             : /** Driver supports radar detection */
    1195             : #define WPA_DRIVER_FLAGS_RADAR                          0x10000000
    1196             : /** Driver supports a dedicated interface for P2P Device */
    1197             : #define WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE           0x20000000
    1198             : /** Driver supports QoS Mapping */
    1199             : #define WPA_DRIVER_FLAGS_QOS_MAPPING                    0x40000000
    1200             : /** Driver supports CSA in AP mode */
    1201             : #define WPA_DRIVER_FLAGS_AP_CSA                         0x80000000
    1202             : /** Driver supports mesh */
    1203             : #define WPA_DRIVER_FLAGS_MESH                   0x0000000100000000ULL
    1204             : /** Driver support ACS offload */
    1205             : #define WPA_DRIVER_FLAGS_ACS_OFFLOAD            0x0000000200000000ULL
    1206             : /** Driver supports key management offload */
    1207             : #define WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD       0x0000000400000000ULL
    1208             : /** Driver supports TDLS channel switching */
    1209             : #define WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH    0x0000000800000000ULL
    1210             : /** Driver supports IBSS with HT datarates */
    1211             : #define WPA_DRIVER_FLAGS_HT_IBSS                0x0000001000000000ULL
    1212             : /** Driver supports IBSS with VHT datarates */
    1213             : #define WPA_DRIVER_FLAGS_VHT_IBSS               0x0000002000000000ULL
    1214             :         u64 flags;
    1215             : 
    1216             : #define WPA_DRIVER_SMPS_MODE_STATIC                     0x00000001
    1217             : #define WPA_DRIVER_SMPS_MODE_DYNAMIC                    0x00000002
    1218             :         unsigned int smps_modes;
    1219             : 
    1220             :         unsigned int wmm_ac_supported:1;
    1221             : 
    1222             :         unsigned int mac_addr_rand_scan_supported:1;
    1223             :         unsigned int mac_addr_rand_sched_scan_supported:1;
    1224             : 
    1225             :         /** Maximum number of supported active probe SSIDs */
    1226             :         int max_scan_ssids;
    1227             : 
    1228             :         /** Maximum number of supported active probe SSIDs for sched_scan */
    1229             :         int max_sched_scan_ssids;
    1230             : 
    1231             :         /** Whether sched_scan (offloaded scanning) is supported */
    1232             :         int sched_scan_supported;
    1233             : 
    1234             :         /** Maximum number of supported match sets for sched_scan */
    1235             :         int max_match_sets;
    1236             : 
    1237             :         /**
    1238             :          * max_remain_on_chan - Maximum remain-on-channel duration in msec
    1239             :          */
    1240             :         unsigned int max_remain_on_chan;
    1241             : 
    1242             :         /**
    1243             :          * max_stations - Maximum number of associated stations the driver
    1244             :          * supports in AP mode
    1245             :          */
    1246             :         unsigned int max_stations;
    1247             : 
    1248             :         /**
    1249             :          * probe_resp_offloads - Bitmap of supported protocols by the driver
    1250             :          * for Probe Response offloading.
    1251             :          */
    1252             : /** Driver Probe Response offloading support for WPS ver. 1 */
    1253             : #define WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS               0x00000001
    1254             : /** Driver Probe Response offloading support for WPS ver. 2 */
    1255             : #define WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2              0x00000002
    1256             : /** Driver Probe Response offloading support for P2P */
    1257             : #define WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P               0x00000004
    1258             : /** Driver Probe Response offloading support for IEEE 802.11u (Interworking) */
    1259             : #define WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING      0x00000008
    1260             :         unsigned int probe_resp_offloads;
    1261             : 
    1262             :         unsigned int max_acl_mac_addrs;
    1263             : 
    1264             :         /**
    1265             :          * Number of supported concurrent channels
    1266             :          */
    1267             :         unsigned int num_multichan_concurrent;
    1268             : 
    1269             :         /**
    1270             :          * extended_capa - extended capabilities in driver/device
    1271             :          *
    1272             :          * Must be allocated and freed by driver and the pointers must be
    1273             :          * valid for the lifetime of the driver, i.e., freed in deinit()
    1274             :          */
    1275             :         const u8 *extended_capa, *extended_capa_mask;
    1276             :         unsigned int extended_capa_len;
    1277             : 
    1278             :         struct wowlan_triggers wowlan_triggers;
    1279             : 
    1280             : /** Driver adds the DS Params Set IE in Probe Request frames */
    1281             : #define WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES      0x00000001
    1282             : /** Driver adds the WFA TPC IE in Probe Request frames */
    1283             : #define WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES           0x00000002
    1284             : /** Driver handles quiet period requests */
    1285             : #define WPA_DRIVER_FLAGS_QUIET                          0x00000004
    1286             : /**
    1287             :  * Driver is capable of inserting the current TX power value into the body of
    1288             :  * transmitted frames.
    1289             :  * Background: Some Action frames include a TPC Report IE. This IE contains a
    1290             :  * TX power field, which has to be updated by lower layers. One such Action
    1291             :  * frame is Link Measurement Report (part of RRM). Another is TPC Report (part
    1292             :  * of spectrum management). Note that this insertion takes place at a fixed
    1293             :  * offset, namely the 6th byte in the Action frame body.
    1294             :  */
    1295             : #define WPA_DRIVER_FLAGS_TX_POWER_INSERTION             0x00000008
    1296             :         u32 rrm_flags;
    1297             : };
    1298             : 
    1299             : 
    1300             : struct hostapd_data;
    1301             : 
    1302             : struct hostap_sta_driver_data {
    1303             :         unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
    1304             :         unsigned long current_tx_rate;
    1305             :         unsigned long inactive_msec;
    1306             :         unsigned long flags;
    1307             :         unsigned long num_ps_buf_frames;
    1308             :         unsigned long tx_retry_failed;
    1309             :         unsigned long tx_retry_count;
    1310             :         int last_rssi;
    1311             :         int last_ack_rssi;
    1312             : };
    1313             : 
    1314             : struct hostapd_sta_add_params {
    1315             :         const u8 *addr;
    1316             :         u16 aid;
    1317             :         u16 capability;
    1318             :         const u8 *supp_rates;
    1319             :         size_t supp_rates_len;
    1320             :         u16 listen_interval;
    1321             :         const struct ieee80211_ht_capabilities *ht_capabilities;
    1322             :         const struct ieee80211_vht_capabilities *vht_capabilities;
    1323             :         int vht_opmode_enabled;
    1324             :         u8 vht_opmode;
    1325             :         u32 flags; /* bitmask of WPA_STA_* flags */
    1326             :         u32 flags_mask; /* unset bits in flags */
    1327             : #ifdef CONFIG_MESH
    1328             :         enum mesh_plink_state plink_state;
    1329             : #endif /* CONFIG_MESH */
    1330             :         int set; /* Set STA parameters instead of add */
    1331             :         u8 qosinfo;
    1332             :         const u8 *ext_capab;
    1333             :         size_t ext_capab_len;
    1334             :         const u8 *supp_channels;
    1335             :         size_t supp_channels_len;
    1336             :         const u8 *supp_oper_classes;
    1337             :         size_t supp_oper_classes_len;
    1338             : };
    1339             : 
    1340             : struct mac_address {
    1341             :         u8 addr[ETH_ALEN];
    1342             : };
    1343             : 
    1344             : struct hostapd_acl_params {
    1345             :         u8 acl_policy;
    1346             :         unsigned int num_mac_acl;
    1347             :         struct mac_address mac_acl[0];
    1348             : };
    1349             : 
    1350             : enum wpa_driver_if_type {
    1351             :         /**
    1352             :          * WPA_IF_STATION - Station mode interface
    1353             :          */
    1354             :         WPA_IF_STATION,
    1355             : 
    1356             :         /**
    1357             :          * WPA_IF_AP_VLAN - AP mode VLAN interface
    1358             :          *
    1359             :          * This interface shares its address and Beacon frame with the main
    1360             :          * BSS.
    1361             :          */
    1362             :         WPA_IF_AP_VLAN,
    1363             : 
    1364             :         /**
    1365             :          * WPA_IF_AP_BSS - AP mode BSS interface
    1366             :          *
    1367             :          * This interface has its own address and Beacon frame.
    1368             :          */
    1369             :         WPA_IF_AP_BSS,
    1370             : 
    1371             :         /**
    1372             :          * WPA_IF_P2P_GO - P2P Group Owner
    1373             :          */
    1374             :         WPA_IF_P2P_GO,
    1375             : 
    1376             :         /**
    1377             :          * WPA_IF_P2P_CLIENT - P2P Client
    1378             :          */
    1379             :         WPA_IF_P2P_CLIENT,
    1380             : 
    1381             :         /**
    1382             :          * WPA_IF_P2P_GROUP - P2P Group interface (will become either
    1383             :          * WPA_IF_P2P_GO or WPA_IF_P2P_CLIENT, but the role is not yet known)
    1384             :          */
    1385             :         WPA_IF_P2P_GROUP,
    1386             : 
    1387             :         /**
    1388             :          * WPA_IF_P2P_DEVICE - P2P Device interface is used to indentify the
    1389             :          * abstracted P2P Device function in the driver
    1390             :          */
    1391             :         WPA_IF_P2P_DEVICE,
    1392             : 
    1393             :         /*
    1394             :          * WPA_IF_MESH - Mesh interface
    1395             :          */
    1396             :         WPA_IF_MESH,
    1397             : };
    1398             : 
    1399             : struct wpa_init_params {
    1400             :         void *global_priv;
    1401             :         const u8 *bssid;
    1402             :         const char *ifname;
    1403             :         const char *driver_params;
    1404             :         int use_pae_group_addr;
    1405             :         char **bridge;
    1406             :         size_t num_bridge;
    1407             : 
    1408             :         u8 *own_addr; /* buffer for writing own MAC address */
    1409             : };
    1410             : 
    1411             : 
    1412             : struct wpa_bss_params {
    1413             :         /** Interface name (for multi-SSID/VLAN support) */
    1414             :         const char *ifname;
    1415             :         /** Whether IEEE 802.1X or WPA/WPA2 is enabled */
    1416             :         int enabled;
    1417             : 
    1418             :         int wpa;
    1419             :         int ieee802_1x;
    1420             :         int wpa_group;
    1421             :         int wpa_pairwise;
    1422             :         int wpa_key_mgmt;
    1423             :         int rsn_preauth;
    1424             :         enum mfp_options ieee80211w;
    1425             : };
    1426             : 
    1427             : #define WPA_STA_AUTHORIZED BIT(0)
    1428             : #define WPA_STA_WMM BIT(1)
    1429             : #define WPA_STA_SHORT_PREAMBLE BIT(2)
    1430             : #define WPA_STA_MFP BIT(3)
    1431             : #define WPA_STA_TDLS_PEER BIT(4)
    1432             : #define WPA_STA_AUTHENTICATED BIT(5)
    1433             : 
    1434             : enum tdls_oper {
    1435             :         TDLS_DISCOVERY_REQ,
    1436             :         TDLS_SETUP,
    1437             :         TDLS_TEARDOWN,
    1438             :         TDLS_ENABLE_LINK,
    1439             :         TDLS_DISABLE_LINK,
    1440             :         TDLS_ENABLE,
    1441             :         TDLS_DISABLE
    1442             : };
    1443             : 
    1444             : enum wnm_oper {
    1445             :         WNM_SLEEP_ENTER_CONFIRM,
    1446             :         WNM_SLEEP_ENTER_FAIL,
    1447             :         WNM_SLEEP_EXIT_CONFIRM,
    1448             :         WNM_SLEEP_EXIT_FAIL,
    1449             :         WNM_SLEEP_TFS_REQ_IE_ADD,   /* STA requests driver to add TFS req IE */
    1450             :         WNM_SLEEP_TFS_REQ_IE_NONE,  /* STA requests empty TFS req IE */
    1451             :         WNM_SLEEP_TFS_REQ_IE_SET,   /* AP requests driver to set TFS req IE for
    1452             :                                      * a STA */
    1453             :         WNM_SLEEP_TFS_RESP_IE_ADD,  /* AP requests driver to add TFS resp IE
    1454             :                                      * for a STA */
    1455             :         WNM_SLEEP_TFS_RESP_IE_NONE, /* AP requests empty TFS resp IE */
    1456             :         WNM_SLEEP_TFS_RESP_IE_SET,  /* AP requests driver to set TFS resp IE
    1457             :                                      * for a STA */
    1458             :         WNM_SLEEP_TFS_IE_DEL        /* AP delete the TFS IE */
    1459             : };
    1460             : 
    1461             : /* enum chan_width - Channel width definitions */
    1462             : enum chan_width {
    1463             :         CHAN_WIDTH_20_NOHT,
    1464             :         CHAN_WIDTH_20,
    1465             :         CHAN_WIDTH_40,
    1466             :         CHAN_WIDTH_80,
    1467             :         CHAN_WIDTH_80P80,
    1468             :         CHAN_WIDTH_160,
    1469             :         CHAN_WIDTH_UNKNOWN
    1470             : };
    1471             : 
    1472             : /**
    1473             :  * struct wpa_signal_info - Information about channel signal quality
    1474             :  */
    1475             : struct wpa_signal_info {
    1476             :         u32 frequency;
    1477             :         int above_threshold;
    1478             :         int current_signal;
    1479             :         int avg_signal;
    1480             :         int current_noise;
    1481             :         int current_txrate;
    1482             :         enum chan_width chanwidth;
    1483             :         int center_frq1;
    1484             :         int center_frq2;
    1485             : };
    1486             : 
    1487             : /**
    1488             :  * struct beacon_data - Beacon data
    1489             :  * @head: Head portion of Beacon frame (before TIM IE)
    1490             :  * @tail: Tail portion of Beacon frame (after TIM IE)
    1491             :  * @beacon_ies: Extra information element(s) to add into Beacon frames or %NULL
    1492             :  * @proberesp_ies: Extra information element(s) to add into Probe Response
    1493             :  *      frames or %NULL
    1494             :  * @assocresp_ies: Extra information element(s) to add into (Re)Association
    1495             :  *      Response frames or %NULL
    1496             :  * @probe_resp: Probe Response frame template
    1497             :  * @head_len: Length of @head
    1498             :  * @tail_len: Length of @tail
    1499             :  * @beacon_ies_len: Length of beacon_ies in octets
    1500             :  * @proberesp_ies_len: Length of proberesp_ies in octets
    1501             :  * @proberesp_ies_len: Length of proberesp_ies in octets
    1502             :  * @probe_resp_len: Length of probe response template (@probe_resp)
    1503             :  */
    1504             : struct beacon_data {
    1505             :         u8 *head, *tail;
    1506             :         u8 *beacon_ies;
    1507             :         u8 *proberesp_ies;
    1508             :         u8 *assocresp_ies;
    1509             :         u8 *probe_resp;
    1510             : 
    1511             :         size_t head_len, tail_len;
    1512             :         size_t beacon_ies_len;
    1513             :         size_t proberesp_ies_len;
    1514             :         size_t assocresp_ies_len;
    1515             :         size_t probe_resp_len;
    1516             : };
    1517             : 
    1518             : /**
    1519             :  * struct csa_settings - Settings for channel switch command
    1520             :  * @cs_count: Count in Beacon frames (TBTT) to perform the switch
    1521             :  * @block_tx: 1 - block transmission for CSA period
    1522             :  * @freq_params: Next channel frequency parameter
    1523             :  * @beacon_csa: Beacon/probe resp/asooc resp info for CSA period
    1524             :  * @beacon_after: Next beacon/probe resp/asooc resp info
    1525             :  * @counter_offset_beacon: Offset to the count field in beacon's tail
    1526             :  * @counter_offset_presp: Offset to the count field in probe resp.
    1527             :  */
    1528             : struct csa_settings {
    1529             :         u8 cs_count;
    1530             :         u8 block_tx;
    1531             : 
    1532             :         struct hostapd_freq_params freq_params;
    1533             :         struct beacon_data beacon_csa;
    1534             :         struct beacon_data beacon_after;
    1535             : 
    1536             :         u16 counter_offset_beacon;
    1537             :         u16 counter_offset_presp;
    1538             : };
    1539             : 
    1540             : /* TDLS peer capabilities for send_tdls_mgmt() */
    1541             : enum tdls_peer_capability {
    1542             :         TDLS_PEER_HT = BIT(0),
    1543             :         TDLS_PEER_VHT = BIT(1),
    1544             :         TDLS_PEER_WMM = BIT(2),
    1545             : };
    1546             : 
    1547             : /* valid info in the wmm_params struct */
    1548             : enum wmm_params_valid_info {
    1549             :         WMM_PARAMS_UAPSD_QUEUES_INFO = BIT(0),
    1550             : };
    1551             : 
    1552             : /**
    1553             :  * struct wmm_params - WMM parameterss configured for this association
    1554             :  * @info_bitmap: Bitmap of valid wmm_params info; indicates what fields
    1555             :  *      of the struct contain valid information.
    1556             :  * @uapsd_queues: Bitmap of ACs configured for uapsd (valid only if
    1557             :  *      %WMM_PARAMS_UAPSD_QUEUES_INFO is set)
    1558             :  */
    1559             : struct wmm_params {
    1560             :         u8 info_bitmap;
    1561             :         u8 uapsd_queues;
    1562             : };
    1563             : 
    1564             : #ifdef CONFIG_MACSEC
    1565             : struct macsec_init_params {
    1566             :         Boolean always_include_sci;
    1567             :         Boolean use_es;
    1568             :         Boolean use_scb;
    1569             : };
    1570             : #endif /* CONFIG_MACSEC */
    1571             : 
    1572             : enum drv_br_port_attr {
    1573             :         DRV_BR_PORT_ATTR_PROXYARP,
    1574             :         DRV_BR_PORT_ATTR_HAIRPIN_MODE,
    1575             : };
    1576             : 
    1577             : enum drv_br_net_param {
    1578             :         DRV_BR_NET_PARAM_GARP_ACCEPT,
    1579             : };
    1580             : 
    1581             : struct drv_acs_params {
    1582             :         /* Selected mode (HOSTAPD_MODE_*) */
    1583             :         enum hostapd_hw_mode hw_mode;
    1584             : 
    1585             :         /* Indicates whether HT is enabled */
    1586             :         int ht_enabled;
    1587             : 
    1588             :         /* Indicates whether HT40 is enabled */
    1589             :         int ht40_enabled;
    1590             : };
    1591             : 
    1592             : 
    1593             : /**
    1594             :  * struct wpa_driver_ops - Driver interface API definition
    1595             :  *
    1596             :  * This structure defines the API that each driver interface needs to implement
    1597             :  * for core wpa_supplicant code. All driver specific functionality is captured
    1598             :  * in this wrapper.
    1599             :  */
    1600             : struct wpa_driver_ops {
    1601             :         /** Name of the driver interface */
    1602             :         const char *name;
    1603             :         /** One line description of the driver interface */
    1604             :         const char *desc;
    1605             : 
    1606             :         /**
    1607             :          * get_bssid - Get the current BSSID
    1608             :          * @priv: private driver interface data
    1609             :          * @bssid: buffer for BSSID (ETH_ALEN = 6 bytes)
    1610             :          *
    1611             :          * Returns: 0 on success, -1 on failure
    1612             :          *
    1613             :          * Query kernel driver for the current BSSID and copy it to bssid.
    1614             :          * Setting bssid to 00:00:00:00:00:00 is recommended if the STA is not
    1615             :          * associated.
    1616             :          */
    1617             :         int (*get_bssid)(void *priv, u8 *bssid);
    1618             : 
    1619             :         /**
    1620             :          * get_ssid - Get the current SSID
    1621             :          * @priv: private driver interface data
    1622             :          * @ssid: buffer for SSID (at least 32 bytes)
    1623             :          *
    1624             :          * Returns: Length of the SSID on success, -1 on failure
    1625             :          *
    1626             :          * Query kernel driver for the current SSID and copy it to ssid.
    1627             :          * Returning zero is recommended if the STA is not associated.
    1628             :          *
    1629             :          * Note: SSID is an array of octets, i.e., it is not nul terminated and
    1630             :          * can, at least in theory, contain control characters (including nul)
    1631             :          * and as such, should be processed as binary data, not a printable
    1632             :          * string.
    1633             :          */
    1634             :         int (*get_ssid)(void *priv, u8 *ssid);
    1635             : 
    1636             :         /**
    1637             :          * set_key - Configure encryption key
    1638             :          * @ifname: Interface name (for multi-SSID/VLAN support)
    1639             :          * @priv: private driver interface data
    1640             :          * @alg: encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP,
    1641             :          *      %WPA_ALG_TKIP, %WPA_ALG_CCMP, %WPA_ALG_IGTK, %WPA_ALG_PMK,
    1642             :          *      %WPA_ALG_GCMP, %WPA_ALG_GCMP_256, %WPA_ALG_CCMP_256,
    1643             :          *      %WPA_ALG_BIP_GMAC_128, %WPA_ALG_BIP_GMAC_256,
    1644             :          *      %WPA_ALG_BIP_CMAC_256);
    1645             :          *      %WPA_ALG_NONE clears the key.
    1646             :          * @addr: Address of the peer STA (BSSID of the current AP when setting
    1647             :          *      pairwise key in station mode), ff:ff:ff:ff:ff:ff for
    1648             :          *      broadcast keys, %NULL for default keys that are used both for
    1649             :          *      broadcast and unicast; when clearing keys, %NULL is used to
    1650             :          *      indicate that both the broadcast-only and default key of the
    1651             :          *      specified key index is to be cleared
    1652             :          * @key_idx: key index (0..3), usually 0 for unicast keys; 0..4095 for
    1653             :          *      IGTK
    1654             :          * @set_tx: configure this key as the default Tx key (only used when
    1655             :          *      driver does not support separate unicast/individual key
    1656             :          * @seq: sequence number/packet number, seq_len octets, the next
    1657             :          *      packet number to be used for in replay protection; configured
    1658             :          *      for Rx keys (in most cases, this is only used with broadcast
    1659             :          *      keys and set to zero for unicast keys); %NULL if not set
    1660             :          * @seq_len: length of the seq, depends on the algorithm:
    1661             :          *      TKIP: 6 octets, CCMP/GCMP: 6 octets, IGTK: 6 octets
    1662             :          * @key: key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key,
    1663             :          *      8-byte Rx Mic Key
    1664             :          * @key_len: length of the key buffer in octets (WEP: 5 or 13,
    1665             :          *      TKIP: 32, CCMP/GCMP: 16, IGTK: 16)
    1666             :          *
    1667             :          * Returns: 0 on success, -1 on failure
    1668             :          *
    1669             :          * Configure the given key for the kernel driver. If the driver
    1670             :          * supports separate individual keys (4 default keys + 1 individual),
    1671             :          * addr can be used to determine whether the key is default or
    1672             :          * individual. If only 4 keys are supported, the default key with key
    1673             :          * index 0 is used as the individual key. STA must be configured to use
    1674             :          * it as the default Tx key (set_tx is set) and accept Rx for all the
    1675             :          * key indexes. In most cases, WPA uses only key indexes 1 and 2 for
    1676             :          * broadcast keys, so key index 0 is available for this kind of
    1677             :          * configuration.
    1678             :          *
    1679             :          * Please note that TKIP keys include separate TX and RX MIC keys and
    1680             :          * some drivers may expect them in different order than wpa_supplicant
    1681             :          * is using. If the TX/RX keys are swapped, all TKIP encrypted packets
    1682             :          * will trigger Michael MIC errors. This can be fixed by changing the
    1683             :          * order of MIC keys by swapping te bytes 16..23 and 24..31 of the key
    1684             :          * in driver_*.c set_key() implementation, see driver_ndis.c for an
    1685             :          * example on how this can be done.
    1686             :          */
    1687             :         int (*set_key)(const char *ifname, void *priv, enum wpa_alg alg,
    1688             :                        const u8 *addr, int key_idx, int set_tx,
    1689             :                        const u8 *seq, size_t seq_len,
    1690             :                        const u8 *key, size_t key_len);
    1691             : 
    1692             :         /**
    1693             :          * init - Initialize driver interface
    1694             :          * @ctx: context to be used when calling wpa_supplicant functions,
    1695             :          * e.g., wpa_supplicant_event()
    1696             :          * @ifname: interface name, e.g., wlan0
    1697             :          *
    1698             :          * Returns: Pointer to private data, %NULL on failure
    1699             :          *
    1700             :          * Initialize driver interface, including event processing for kernel
    1701             :          * driver events (e.g., associated, scan results, Michael MIC failure).
    1702             :          * This function can allocate a private configuration data area for
    1703             :          * @ctx, file descriptor, interface name, etc. information that may be
    1704             :          * needed in future driver operations. If this is not used, non-NULL
    1705             :          * value will need to be returned because %NULL is used to indicate
    1706             :          * failure. The returned value will be used as 'void *priv' data for
    1707             :          * all other driver_ops functions.
    1708             :          *
    1709             :          * The main event loop (eloop.c) of wpa_supplicant can be used to
    1710             :          * register callback for read sockets (eloop_register_read_sock()).
    1711             :          *
    1712             :          * See below for more information about events and
    1713             :          * wpa_supplicant_event() function.
    1714             :          */
    1715             :         void * (*init)(void *ctx, const char *ifname);
    1716             : 
    1717             :         /**
    1718             :          * deinit - Deinitialize driver interface
    1719             :          * @priv: private driver interface data from init()
    1720             :          *
    1721             :          * Shut down driver interface and processing of driver events. Free
    1722             :          * private data buffer if one was allocated in init() handler.
    1723             :          */
    1724             :         void (*deinit)(void *priv);
    1725             : 
    1726             :         /**
    1727             :          * set_param - Set driver configuration parameters
    1728             :          * @priv: private driver interface data from init()
    1729             :          * @param: driver specific configuration parameters
    1730             :          *
    1731             :          * Returns: 0 on success, -1 on failure
    1732             :          *
    1733             :          * Optional handler for notifying driver interface about configuration
    1734             :          * parameters (driver_param).
    1735             :          */
    1736             :         int (*set_param)(void *priv, const char *param);
    1737             : 
    1738             :         /**
    1739             :          * set_countermeasures - Enable/disable TKIP countermeasures
    1740             :          * @priv: private driver interface data
    1741             :          * @enabled: 1 = countermeasures enabled, 0 = disabled
    1742             :          *
    1743             :          * Returns: 0 on success, -1 on failure
    1744             :          *
    1745             :          * Configure TKIP countermeasures. When these are enabled, the driver
    1746             :          * should drop all received and queued frames that are using TKIP.
    1747             :          */
    1748             :         int (*set_countermeasures)(void *priv, int enabled);
    1749             : 
    1750             :         /**
    1751             :          * deauthenticate - Request driver to deauthenticate
    1752             :          * @priv: private driver interface data
    1753             :          * @addr: peer address (BSSID of the AP)
    1754             :          * @reason_code: 16-bit reason code to be sent in the deauthentication
    1755             :          *      frame
    1756             :          *
    1757             :          * Returns: 0 on success, -1 on failure
    1758             :          */
    1759             :         int (*deauthenticate)(void *priv, const u8 *addr, int reason_code);
    1760             : 
    1761             :         /**
    1762             :          * associate - Request driver to associate
    1763             :          * @priv: private driver interface data
    1764             :          * @params: association parameters
    1765             :          *
    1766             :          * Returns: 0 on success, -1 on failure
    1767             :          */
    1768             :         int (*associate)(void *priv,
    1769             :                          struct wpa_driver_associate_params *params);
    1770             : 
    1771             :         /**
    1772             :          * add_pmkid - Add PMKSA cache entry to the driver
    1773             :          * @priv: private driver interface data
    1774             :          * @bssid: BSSID for the PMKSA cache entry
    1775             :          * @pmkid: PMKID for the PMKSA cache entry
    1776             :          *
    1777             :          * Returns: 0 on success, -1 on failure
    1778             :          *
    1779             :          * This function is called when a new PMK is received, as a result of
    1780             :          * either normal authentication or RSN pre-authentication.
    1781             :          *
    1782             :          * If the driver generates RSN IE, i.e., it does not use wpa_ie in
    1783             :          * associate(), add_pmkid() can be used to add new PMKSA cache entries
    1784             :          * in the driver. If the driver uses wpa_ie from wpa_supplicant, this
    1785             :          * driver_ops function does not need to be implemented. Likewise, if
    1786             :          * the driver does not support WPA, this function is not needed.
    1787             :          */
    1788             :         int (*add_pmkid)(void *priv, const u8 *bssid, const u8 *pmkid);
    1789             : 
    1790             :         /**
    1791             :          * remove_pmkid - Remove PMKSA cache entry to the driver
    1792             :          * @priv: private driver interface data
    1793             :          * @bssid: BSSID for the PMKSA cache entry
    1794             :          * @pmkid: PMKID for the PMKSA cache entry
    1795             :          *
    1796             :          * Returns: 0 on success, -1 on failure
    1797             :          *
    1798             :          * This function is called when the supplicant drops a PMKSA cache
    1799             :          * entry for any reason.
    1800             :          *
    1801             :          * If the driver generates RSN IE, i.e., it does not use wpa_ie in
    1802             :          * associate(), remove_pmkid() can be used to synchronize PMKSA caches
    1803             :          * between the driver and wpa_supplicant. If the driver uses wpa_ie
    1804             :          * from wpa_supplicant, this driver_ops function does not need to be
    1805             :          * implemented. Likewise, if the driver does not support WPA, this
    1806             :          * function is not needed.
    1807             :          */
    1808             :         int (*remove_pmkid)(void *priv, const u8 *bssid, const u8 *pmkid);
    1809             : 
    1810             :         /**
    1811             :          * flush_pmkid - Flush PMKSA cache
    1812             :          * @priv: private driver interface data
    1813             :          *
    1814             :          * Returns: 0 on success, -1 on failure
    1815             :          *
    1816             :          * This function is called when the supplicant drops all PMKSA cache
    1817             :          * entries for any reason.
    1818             :          *
    1819             :          * If the driver generates RSN IE, i.e., it does not use wpa_ie in
    1820             :          * associate(), remove_pmkid() can be used to synchronize PMKSA caches
    1821             :          * between the driver and wpa_supplicant. If the driver uses wpa_ie
    1822             :          * from wpa_supplicant, this driver_ops function does not need to be
    1823             :          * implemented. Likewise, if the driver does not support WPA, this
    1824             :          * function is not needed.
    1825             :          */
    1826             :         int (*flush_pmkid)(void *priv);
    1827             : 
    1828             :         /**
    1829             :          * get_capa - Get driver capabilities
    1830             :          * @priv: private driver interface data
    1831             :          *
    1832             :          * Returns: 0 on success, -1 on failure
    1833             :          *
    1834             :          * Get driver/firmware/hardware capabilities.
    1835             :          */
    1836             :         int (*get_capa)(void *priv, struct wpa_driver_capa *capa);
    1837             : 
    1838             :         /**
    1839             :          * poll - Poll driver for association information
    1840             :          * @priv: private driver interface data
    1841             :          *
    1842             :          * This is an option callback that can be used when the driver does not
    1843             :          * provide event mechanism for association events. This is called when
    1844             :          * receiving WPA EAPOL-Key messages that require association
    1845             :          * information. The driver interface is supposed to generate associnfo
    1846             :          * event before returning from this callback function. In addition, the
    1847             :          * driver interface should generate an association event after having
    1848             :          * sent out associnfo.
    1849             :          */
    1850             :         void (*poll)(void *priv);
    1851             : 
    1852             :         /**
    1853             :          * get_ifname - Get interface name
    1854             :          * @priv: private driver interface data
    1855             :          *
    1856             :          * Returns: Pointer to the interface name. This can differ from the
    1857             :          * interface name used in init() call. Init() is called first.
    1858             :          *
    1859             :          * This optional function can be used to allow the driver interface to
    1860             :          * replace the interface name with something else, e.g., based on an
    1861             :          * interface mapping from a more descriptive name.
    1862             :          */
    1863             :         const char * (*get_ifname)(void *priv);
    1864             : 
    1865             :         /**
    1866             :          * get_mac_addr - Get own MAC address
    1867             :          * @priv: private driver interface data
    1868             :          *
    1869             :          * Returns: Pointer to own MAC address or %NULL on failure
    1870             :          *
    1871             :          * This optional function can be used to get the own MAC address of the
    1872             :          * device from the driver interface code. This is only needed if the
    1873             :          * l2_packet implementation for the OS does not provide easy access to
    1874             :          * a MAC address. */
    1875             :         const u8 * (*get_mac_addr)(void *priv);
    1876             : 
    1877             :         /**
    1878             :          * set_operstate - Sets device operating state to DORMANT or UP
    1879             :          * @priv: private driver interface data
    1880             :          * @state: 0 = dormant, 1 = up
    1881             :          * Returns: 0 on success, -1 on failure
    1882             :          *
    1883             :          * This is an optional function that can be used on operating systems
    1884             :          * that support a concept of controlling network device state from user
    1885             :          * space applications. This function, if set, gets called with
    1886             :          * state = 1 when authentication has been completed and with state = 0
    1887             :          * when connection is lost.
    1888             :          */
    1889             :         int (*set_operstate)(void *priv, int state);
    1890             : 
    1891             :         /**
    1892             :          * mlme_setprotection - MLME-SETPROTECTION.request primitive
    1893             :          * @priv: Private driver interface data
    1894             :          * @addr: Address of the station for which to set protection (may be
    1895             :          * %NULL for group keys)
    1896             :          * @protect_type: MLME_SETPROTECTION_PROTECT_TYPE_*
    1897             :          * @key_type: MLME_SETPROTECTION_KEY_TYPE_*
    1898             :          * Returns: 0 on success, -1 on failure
    1899             :          *
    1900             :          * This is an optional function that can be used to set the driver to
    1901             :          * require protection for Tx and/or Rx frames. This uses the layer
    1902             :          * interface defined in IEEE 802.11i-2004 clause 10.3.22.1
    1903             :          * (MLME-SETPROTECTION.request). Many drivers do not use explicit
    1904             :          * set protection operation; instead, they set protection implicitly
    1905             :          * based on configured keys.
    1906             :          */
    1907             :         int (*mlme_setprotection)(void *priv, const u8 *addr, int protect_type,
    1908             :                                   int key_type);
    1909             : 
    1910             :         /**
    1911             :          * get_hw_feature_data - Get hardware support data (channels and rates)
    1912             :          * @priv: Private driver interface data
    1913             :          * @num_modes: Variable for returning the number of returned modes
    1914             :          * flags: Variable for returning hardware feature flags
    1915             :          * Returns: Pointer to allocated hardware data on success or %NULL on
    1916             :          * failure. Caller is responsible for freeing this.
    1917             :          */
    1918             :         struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv,
    1919             :                                                          u16 *num_modes,
    1920             :                                                          u16 *flags);
    1921             : 
    1922             :         /**
    1923             :          * send_mlme - Send management frame from MLME
    1924             :          * @priv: Private driver interface data
    1925             :          * @data: IEEE 802.11 management frame with IEEE 802.11 header
    1926             :          * @data_len: Size of the management frame
    1927             :          * @noack: Do not wait for this frame to be acked (disable retries)
    1928             :          * Returns: 0 on success, -1 on failure
    1929             :          */
    1930             :         int (*send_mlme)(void *priv, const u8 *data, size_t data_len,
    1931             :                          int noack);
    1932             : 
    1933             :         /**
    1934             :          * update_ft_ies - Update FT (IEEE 802.11r) IEs
    1935             :          * @priv: Private driver interface data
    1936             :          * @md: Mobility domain (2 octets) (also included inside ies)
    1937             :          * @ies: FT IEs (MDIE, FTIE, ...) or %NULL to remove IEs
    1938             :          * @ies_len: Length of FT IEs in bytes
    1939             :          * Returns: 0 on success, -1 on failure
    1940             :          *
    1941             :          * The supplicant uses this callback to let the driver know that keying
    1942             :          * material for FT is available and that the driver can use the
    1943             :          * provided IEs in the next message in FT authentication sequence.
    1944             :          *
    1945             :          * This function is only needed for driver that support IEEE 802.11r
    1946             :          * (Fast BSS Transition).
    1947             :          */
    1948             :         int (*update_ft_ies)(void *priv, const u8 *md, const u8 *ies,
    1949             :                              size_t ies_len);
    1950             : 
    1951             :         /**
    1952             :          * get_scan_results2 - Fetch the latest scan results
    1953             :          * @priv: private driver interface data
    1954             :          *
    1955             :          * Returns: Allocated buffer of scan results (caller is responsible for
    1956             :          * freeing the data structure) on success, NULL on failure
    1957             :          */
    1958             :          struct wpa_scan_results * (*get_scan_results2)(void *priv);
    1959             : 
    1960             :         /**
    1961             :          * set_country - Set country
    1962             :          * @priv: Private driver interface data
    1963             :          * @alpha2: country to which to switch to
    1964             :          * Returns: 0 on success, -1 on failure
    1965             :          *
    1966             :          * This function is for drivers which support some form
    1967             :          * of setting a regulatory domain.
    1968             :          */
    1969             :         int (*set_country)(void *priv, const char *alpha2);
    1970             : 
    1971             :         /**
    1972             :          * get_country - Get country
    1973             :          * @priv: Private driver interface data
    1974             :          * @alpha2: Buffer for returning country code (at least 3 octets)
    1975             :          * Returns: 0 on success, -1 on failure
    1976             :          */
    1977             :         int (*get_country)(void *priv, char *alpha2);
    1978             : 
    1979             :         /**
    1980             :          * global_init - Global driver initialization
    1981             :          * Returns: Pointer to private data (global), %NULL on failure
    1982             :          *
    1983             :          * This optional function is called to initialize the driver wrapper
    1984             :          * for global data, i.e., data that applies to all interfaces. If this
    1985             :          * function is implemented, global_deinit() will also need to be
    1986             :          * implemented to free the private data. The driver will also likely
    1987             :          * use init2() function instead of init() to get the pointer to global
    1988             :          * data available to per-interface initializer.
    1989             :          */
    1990             :         void * (*global_init)(void);
    1991             : 
    1992             :         /**
    1993             :          * global_deinit - Global driver deinitialization
    1994             :          * @priv: private driver global data from global_init()
    1995             :          *
    1996             :          * Terminate any global driver related functionality and free the
    1997             :          * global data structure.
    1998             :          */
    1999             :         void (*global_deinit)(void *priv);
    2000             : 
    2001             :         /**
    2002             :          * init2 - Initialize driver interface (with global data)
    2003             :          * @ctx: context to be used when calling wpa_supplicant functions,
    2004             :          * e.g., wpa_supplicant_event()
    2005             :          * @ifname: interface name, e.g., wlan0
    2006             :          * @global_priv: private driver global data from global_init()
    2007             :          * Returns: Pointer to private data, %NULL on failure
    2008             :          *
    2009             :          * This function can be used instead of init() if the driver wrapper
    2010             :          * uses global data.
    2011             :          */
    2012             :         void * (*init2)(void *ctx, const char *ifname, void *global_priv);
    2013             : 
    2014             :         /**
    2015             :          * get_interfaces - Get information about available interfaces
    2016             :          * @global_priv: private driver global data from global_init()
    2017             :          * Returns: Allocated buffer of interface information (caller is
    2018             :          * responsible for freeing the data structure) on success, NULL on
    2019             :          * failure
    2020             :          */
    2021             :         struct wpa_interface_info * (*get_interfaces)(void *global_priv);
    2022             : 
    2023             :         /**
    2024             :          * scan2 - Request the driver to initiate scan
    2025             :          * @priv: private driver interface data
    2026             :          * @params: Scan parameters
    2027             :          *
    2028             :          * Returns: 0 on success, -1 on failure
    2029             :          *
    2030             :          * Once the scan results are ready, the driver should report scan
    2031             :          * results event for wpa_supplicant which will eventually request the
    2032             :          * results with wpa_driver_get_scan_results2().
    2033             :          */
    2034             :         int (*scan2)(void *priv, struct wpa_driver_scan_params *params);
    2035             : 
    2036             :         /**
    2037             :          * authenticate - Request driver to authenticate
    2038             :          * @priv: private driver interface data
    2039             :          * @params: authentication parameters
    2040             :          * Returns: 0 on success, -1 on failure
    2041             :          *
    2042             :          * This is an optional function that can be used with drivers that
    2043             :          * support separate authentication and association steps, i.e., when
    2044             :          * wpa_supplicant can act as the SME. If not implemented, associate()
    2045             :          * function is expected to take care of IEEE 802.11 authentication,
    2046             :          * too.
    2047             :          */
    2048             :         int (*authenticate)(void *priv,
    2049             :                             struct wpa_driver_auth_params *params);
    2050             : 
    2051             :         /**
    2052             :          * set_ap - Set Beacon and Probe Response information for AP mode
    2053             :          * @priv: Private driver interface data
    2054             :          * @params: Parameters to use in AP mode
    2055             :          *
    2056             :          * This function is used to configure Beacon template and/or extra IEs
    2057             :          * to add for Beacon and Probe Response frames for the driver in
    2058             :          * AP mode. The driver is responsible for building the full Beacon
    2059             :          * frame by concatenating the head part with TIM IE generated by the
    2060             :          * driver/firmware and finishing with the tail part. Depending on the
    2061             :          * driver architectue, this can be done either by using the full
    2062             :          * template or the set of additional IEs (e.g., WPS and P2P IE).
    2063             :          * Similarly, Probe Response processing depends on the driver design.
    2064             :          * If the driver (or firmware) takes care of replying to Probe Request
    2065             :          * frames, the extra IEs provided here needs to be added to the Probe
    2066             :          * Response frames.
    2067             :          *
    2068             :          * Returns: 0 on success, -1 on failure
    2069             :          */
    2070             :         int (*set_ap)(void *priv, struct wpa_driver_ap_params *params);
    2071             : 
    2072             :         /**
    2073             :          * set_acl - Set ACL in AP mode
    2074             :          * @priv: Private driver interface data
    2075             :          * @params: Parameters to configure ACL
    2076             :          * Returns: 0 on success, -1 on failure
    2077             :          *
    2078             :          * This is used only for the drivers which support MAC address ACL.
    2079             :          */
    2080             :         int (*set_acl)(void *priv, struct hostapd_acl_params *params);
    2081             : 
    2082             :         /**
    2083             :          * hapd_init - Initialize driver interface (hostapd only)
    2084             :          * @hapd: Pointer to hostapd context
    2085             :          * @params: Configuration for the driver wrapper
    2086             :          * Returns: Pointer to private data, %NULL on failure
    2087             :          *
    2088             :          * This function is used instead of init() or init2() when the driver
    2089             :          * wrapper is used with hostapd.
    2090             :          */
    2091             :         void * (*hapd_init)(struct hostapd_data *hapd,
    2092             :                             struct wpa_init_params *params);
    2093             : 
    2094             :         /**
    2095             :          * hapd_deinit - Deinitialize driver interface (hostapd only)
    2096             :          * @priv: Private driver interface data from hapd_init()
    2097             :          */
    2098             :         void (*hapd_deinit)(void *priv);
    2099             : 
    2100             :         /**
    2101             :          * set_ieee8021x - Enable/disable IEEE 802.1X support (AP only)
    2102             :          * @priv: Private driver interface data
    2103             :          * @params: BSS parameters
    2104             :          * Returns: 0 on success, -1 on failure
    2105             :          *
    2106             :          * This is an optional function to configure the kernel driver to
    2107             :          * enable/disable IEEE 802.1X support and set WPA/WPA2 parameters. This
    2108             :          * can be left undefined (set to %NULL) if IEEE 802.1X support is
    2109             :          * always enabled and the driver uses set_ap() to set WPA/RSN IE
    2110             :          * for Beacon frames.
    2111             :          *
    2112             :          * DEPRECATED - use set_ap() instead
    2113             :          */
    2114             :         int (*set_ieee8021x)(void *priv, struct wpa_bss_params *params);
    2115             : 
    2116             :         /**
    2117             :          * set_privacy - Enable/disable privacy (AP only)
    2118             :          * @priv: Private driver interface data
    2119             :          * @enabled: 1 = privacy enabled, 0 = disabled
    2120             :          * Returns: 0 on success, -1 on failure
    2121             :          *
    2122             :          * This is an optional function to configure privacy field in the
    2123             :          * kernel driver for Beacon frames. This can be left undefined (set to
    2124             :          * %NULL) if the driver uses the Beacon template from set_ap().
    2125             :          *
    2126             :          * DEPRECATED - use set_ap() instead
    2127             :          */
    2128             :         int (*set_privacy)(void *priv, int enabled);
    2129             : 
    2130             :         /**
    2131             :          * get_seqnum - Fetch the current TSC/packet number (AP only)
    2132             :          * @ifname: The interface name (main or virtual)
    2133             :          * @priv: Private driver interface data
    2134             :          * @addr: MAC address of the station or %NULL for group keys
    2135             :          * @idx: Key index
    2136             :          * @seq: Buffer for returning the latest used TSC/packet number
    2137             :          * Returns: 0 on success, -1 on failure
    2138             :          *
    2139             :          * This function is used to fetch the last used TSC/packet number for
    2140             :          * a TKIP, CCMP, GCMP, or BIP/IGTK key. It is mainly used with group
    2141             :          * keys, so there is no strict requirement on implementing support for
    2142             :          * unicast keys (i.e., addr != %NULL).
    2143             :          */
    2144             :         int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr,
    2145             :                           int idx, u8 *seq);
    2146             : 
    2147             :         /**
    2148             :          * flush - Flush all association stations (AP only)
    2149             :          * @priv: Private driver interface data
    2150             :          * Returns: 0 on success, -1 on failure
    2151             :          *
    2152             :          * This function requests the driver to disassociate all associated
    2153             :          * stations. This function does not need to be implemented if the
    2154             :          * driver does not process association frames internally.
    2155             :          */
    2156             :         int (*flush)(void *priv);
    2157             : 
    2158             :         /**
    2159             :          * set_generic_elem - Add IEs into Beacon/Probe Response frames (AP)
    2160             :          * @priv: Private driver interface data
    2161             :          * @elem: Information elements
    2162             :          * @elem_len: Length of the elem buffer in octets
    2163             :          * Returns: 0 on success, -1 on failure
    2164             :          *
    2165             :          * This is an optional function to add information elements in the
    2166             :          * kernel driver for Beacon and Probe Response frames. This can be left
    2167             :          * undefined (set to %NULL) if the driver uses the Beacon template from
    2168             :          * set_ap().
    2169             :          *
    2170             :          * DEPRECATED - use set_ap() instead
    2171             :          */
    2172             :         int (*set_generic_elem)(void *priv, const u8 *elem, size_t elem_len);
    2173             : 
    2174             :         /**
    2175             :          * read_sta_data - Fetch station data
    2176             :          * @priv: Private driver interface data
    2177             :          * @data: Buffer for returning station information
    2178             :          * @addr: MAC address of the station
    2179             :          * Returns: 0 on success, -1 on failure
    2180             :          */
    2181             :         int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data,
    2182             :                              const u8 *addr);
    2183             : 
    2184             :         /**
    2185             :          * hapd_send_eapol - Send an EAPOL packet (AP only)
    2186             :          * @priv: private driver interface data
    2187             :          * @addr: Destination MAC address
    2188             :          * @data: EAPOL packet starting with IEEE 802.1X header
    2189             :          * @data_len: Length of the EAPOL packet in octets
    2190             :          * @encrypt: Whether the frame should be encrypted
    2191             :          * @own_addr: Source MAC address
    2192             :          * @flags: WPA_STA_* flags for the destination station
    2193             :          *
    2194             :          * Returns: 0 on success, -1 on failure
    2195             :          */
    2196             :         int (*hapd_send_eapol)(void *priv, const u8 *addr, const u8 *data,
    2197             :                                size_t data_len, int encrypt,
    2198             :                                const u8 *own_addr, u32 flags);
    2199             : 
    2200             :         /**
    2201             :          * sta_deauth - Deauthenticate a station (AP only)
    2202             :          * @priv: Private driver interface data
    2203             :          * @own_addr: Source address and BSSID for the Deauthentication frame
    2204             :          * @addr: MAC address of the station to deauthenticate
    2205             :          * @reason: Reason code for the Deauthentiation frame
    2206             :          * Returns: 0 on success, -1 on failure
    2207             :          *
    2208             :          * This function requests a specific station to be deauthenticated and
    2209             :          * a Deauthentication frame to be sent to it.
    2210             :          */
    2211             :         int (*sta_deauth)(void *priv, const u8 *own_addr, const u8 *addr,
    2212             :                           int reason);
    2213             : 
    2214             :         /**
    2215             :          * sta_disassoc - Disassociate a station (AP only)
    2216             :          * @priv: Private driver interface data
    2217             :          * @own_addr: Source address and BSSID for the Disassociation frame
    2218             :          * @addr: MAC address of the station to disassociate
    2219             :          * @reason: Reason code for the Disassociation frame
    2220             :          * Returns: 0 on success, -1 on failure
    2221             :          *
    2222             :          * This function requests a specific station to be disassociated and
    2223             :          * a Disassociation frame to be sent to it.
    2224             :          */
    2225             :         int (*sta_disassoc)(void *priv, const u8 *own_addr, const u8 *addr,
    2226             :                             int reason);
    2227             : 
    2228             :         /**
    2229             :          * sta_remove - Remove a station entry (AP only)
    2230             :          * @priv: Private driver interface data
    2231             :          * @addr: MAC address of the station to be removed
    2232             :          * Returns: 0 on success, -1 on failure
    2233             :          */
    2234             :         int (*sta_remove)(void *priv, const u8 *addr);
    2235             : 
    2236             :         /**
    2237             :          * hapd_get_ssid - Get the current SSID (AP only)
    2238             :          * @priv: Private driver interface data
    2239             :          * @buf: Buffer for returning the SSID
    2240             :          * @len: Maximum length of the buffer
    2241             :          * Returns: Length of the SSID on success, -1 on failure
    2242             :          *
    2243             :          * This function need not be implemented if the driver uses Beacon
    2244             :          * template from set_ap() and does not reply to Probe Request frames.
    2245             :          */
    2246             :         int (*hapd_get_ssid)(void *priv, u8 *buf, int len);
    2247             : 
    2248             :         /**
    2249             :          * hapd_set_ssid - Set SSID (AP only)
    2250             :          * @priv: Private driver interface data
    2251             :          * @buf: SSID
    2252             :          * @len: Length of the SSID in octets
    2253             :          * Returns: 0 on success, -1 on failure
    2254             :          *
    2255             :          * DEPRECATED - use set_ap() instead
    2256             :          */
    2257             :         int (*hapd_set_ssid)(void *priv, const u8 *buf, int len);
    2258             : 
    2259             :         /**
    2260             :          * hapd_set_countermeasures - Enable/disable TKIP countermeasures (AP)
    2261             :          * @priv: Private driver interface data
    2262             :          * @enabled: 1 = countermeasures enabled, 0 = disabled
    2263             :          * Returns: 0 on success, -1 on failure
    2264             :          *
    2265             :          * This need not be implemented if the driver does not take care of
    2266             :          * association processing.
    2267             :          */
    2268             :         int (*hapd_set_countermeasures)(void *priv, int enabled);
    2269             : 
    2270             :         /**
    2271             :          * sta_add - Add a station entry
    2272             :          * @priv: Private driver interface data
    2273             :          * @params: Station parameters
    2274             :          * Returns: 0 on success, -1 on failure
    2275             :          *
    2276             :          * This function is used to add a station entry to the driver once the
    2277             :          * station has completed association. This is only used if the driver
    2278             :          * does not take care of association processing.
    2279             :          *
    2280             :          * With TDLS, this function is also used to add or set (params->set 1)
    2281             :          * TDLS peer entries.
    2282             :          */
    2283             :         int (*sta_add)(void *priv, struct hostapd_sta_add_params *params);
    2284             : 
    2285             :         /**
    2286             :          * get_inact_sec - Get station inactivity duration (AP only)
    2287             :          * @priv: Private driver interface data
    2288             :          * @addr: Station address
    2289             :          * Returns: Number of seconds station has been inactive, -1 on failure
    2290             :          */
    2291             :         int (*get_inact_sec)(void *priv, const u8 *addr);
    2292             : 
    2293             :         /**
    2294             :          * sta_clear_stats - Clear station statistics (AP only)
    2295             :          * @priv: Private driver interface data
    2296             :          * @addr: Station address
    2297             :          * Returns: 0 on success, -1 on failure
    2298             :          */
    2299             :         int (*sta_clear_stats)(void *priv, const u8 *addr);
    2300             : 
    2301             :         /**
    2302             :          * set_freq - Set channel/frequency (AP only)
    2303             :          * @priv: Private driver interface data
    2304             :          * @freq: Channel parameters
    2305             :          * Returns: 0 on success, -1 on failure
    2306             :          */
    2307             :         int (*set_freq)(void *priv, struct hostapd_freq_params *freq);
    2308             : 
    2309             :         /**
    2310             :          * set_rts - Set RTS threshold
    2311             :          * @priv: Private driver interface data
    2312             :          * @rts: RTS threshold in octets
    2313             :          * Returns: 0 on success, -1 on failure
    2314             :          */
    2315             :         int (*set_rts)(void *priv, int rts);
    2316             : 
    2317             :         /**
    2318             :          * set_frag - Set fragmentation threshold
    2319             :          * @priv: Private driver interface data
    2320             :          * @frag: Fragmentation threshold in octets
    2321             :          * Returns: 0 on success, -1 on failure
    2322             :          */
    2323             :         int (*set_frag)(void *priv, int frag);
    2324             : 
    2325             :         /**
    2326             :          * sta_set_flags - Set station flags (AP only)
    2327             :          * @priv: Private driver interface data
    2328             :          * @addr: Station address
    2329             :          * @total_flags: Bitmap of all WPA_STA_* flags currently set
    2330             :          * @flags_or: Bitmap of WPA_STA_* flags to add
    2331             :          * @flags_and: Bitmap of WPA_STA_* flags to us as a mask
    2332             :          * Returns: 0 on success, -1 on failure
    2333             :          */
    2334             :         int (*sta_set_flags)(void *priv, const u8 *addr,
    2335             :                              int total_flags, int flags_or, int flags_and);
    2336             : 
    2337             :         /**
    2338             :          * set_tx_queue_params - Set TX queue parameters
    2339             :          * @priv: Private driver interface data
    2340             :          * @queue: Queue number (0 = VO, 1 = VI, 2 = BE, 3 = BK)
    2341             :          * @aifs: AIFS
    2342             :          * @cw_min: cwMin
    2343             :          * @cw_max: cwMax
    2344             :          * @burst_time: Maximum length for bursting in 0.1 msec units
    2345             :          */
    2346             :         int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min,
    2347             :                                    int cw_max, int burst_time);
    2348             : 
    2349             :         /**
    2350             :          * if_add - Add a virtual interface
    2351             :          * @priv: Private driver interface data
    2352             :          * @type: Interface type
    2353             :          * @ifname: Interface name for the new virtual interface
    2354             :          * @addr: Local address to use for the interface or %NULL to use the
    2355             :          *      parent interface address
    2356             :          * @bss_ctx: BSS context for %WPA_IF_AP_BSS interfaces
    2357             :          * @drv_priv: Pointer for overwriting the driver context or %NULL if
    2358             :          *      not allowed (applies only to %WPA_IF_AP_BSS type)
    2359             :          * @force_ifname: Buffer for returning an interface name that the
    2360             :          *      driver ended up using if it differs from the requested ifname
    2361             :          * @if_addr: Buffer for returning the allocated interface address
    2362             :          *      (this may differ from the requested addr if the driver cannot
    2363             :          *      change interface address)
    2364             :          * @bridge: Bridge interface to use or %NULL if no bridge configured
    2365             :          * @use_existing: Whether to allow existing interface to be used
    2366             :          * Returns: 0 on success, -1 on failure
    2367             :          */
    2368             :         int (*if_add)(void *priv, enum wpa_driver_if_type type,
    2369             :                       const char *ifname, const u8 *addr, void *bss_ctx,
    2370             :                       void **drv_priv, char *force_ifname, u8 *if_addr,
    2371             :                       const char *bridge, int use_existing);
    2372             : 
    2373             :         /**
    2374             :          * if_remove - Remove a virtual interface
    2375             :          * @priv: Private driver interface data
    2376             :          * @type: Interface type
    2377             :          * @ifname: Interface name of the virtual interface to be removed
    2378             :          * Returns: 0 on success, -1 on failure
    2379             :          */
    2380             :         int (*if_remove)(void *priv, enum wpa_driver_if_type type,
    2381             :                          const char *ifname);
    2382             : 
    2383             :         /**
    2384             :          * set_sta_vlan - Bind a station into a specific interface (AP only)
    2385             :          * @priv: Private driver interface data
    2386             :          * @ifname: Interface (main or virtual BSS or VLAN)
    2387             :          * @addr: MAC address of the associated station
    2388             :          * @vlan_id: VLAN ID
    2389             :          * Returns: 0 on success, -1 on failure
    2390             :          *
    2391             :          * This function is used to bind a station to a specific virtual
    2392             :          * interface. It is only used if when virtual interfaces are supported,
    2393             :          * e.g., to assign stations to different VLAN interfaces based on
    2394             :          * information from a RADIUS server. This allows separate broadcast
    2395             :          * domains to be used with a single BSS.
    2396             :          */
    2397             :         int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
    2398             :                             int vlan_id);
    2399             : 
    2400             :         /**
    2401             :          * commit - Optional commit changes handler (AP only)
    2402             :          * @priv: driver private data
    2403             :          * Returns: 0 on success, -1 on failure
    2404             :          *
    2405             :          * This optional handler function can be registered if the driver
    2406             :          * interface implementation needs to commit changes (e.g., by setting
    2407             :          * network interface up) at the end of initial configuration. If set,
    2408             :          * this handler will be called after initial setup has been completed.
    2409             :          */
    2410             :         int (*commit)(void *priv);
    2411             : 
    2412             :         /**
    2413             :          * send_ether - Send an ethernet packet (AP only)
    2414             :          * @priv: private driver interface data
    2415             :          * @dst: Destination MAC address
    2416             :          * @src: Source MAC address
    2417             :          * @proto: Ethertype
    2418             :          * @data: EAPOL packet starting with IEEE 802.1X header
    2419             :          * @data_len: Length of the EAPOL packet in octets
    2420             :          * Returns: 0 on success, -1 on failure
    2421             :          */
    2422             :         int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto,
    2423             :                           const u8 *data, size_t data_len);
    2424             : 
    2425             :         /**
    2426             :          * set_radius_acl_auth - Notification of RADIUS ACL change
    2427             :          * @priv: Private driver interface data
    2428             :          * @mac: MAC address of the station
    2429             :          * @accepted: Whether the station was accepted
    2430             :          * @session_timeout: Session timeout for the station
    2431             :          * Returns: 0 on success, -1 on failure
    2432             :          */
    2433             :         int (*set_radius_acl_auth)(void *priv, const u8 *mac, int accepted,
    2434             :                                    u32 session_timeout);
    2435             : 
    2436             :         /**
    2437             :          * set_radius_acl_expire - Notification of RADIUS ACL expiration
    2438             :          * @priv: Private driver interface data
    2439             :          * @mac: MAC address of the station
    2440             :          * Returns: 0 on success, -1 on failure
    2441             :          */
    2442             :         int (*set_radius_acl_expire)(void *priv, const u8 *mac);
    2443             : 
    2444             :         /**
    2445             :          * set_ap_wps_ie - Add WPS IE(s) into Beacon/Probe Response frames (AP)
    2446             :          * @priv: Private driver interface data
    2447             :          * @beacon: WPS IE(s) for Beacon frames or %NULL to remove extra IE(s)
    2448             :          * @proberesp: WPS IE(s) for Probe Response frames or %NULL to remove
    2449             :          *      extra IE(s)
    2450             :          * @assocresp: WPS IE(s) for (Re)Association Response frames or %NULL
    2451             :          *      to remove extra IE(s)
    2452             :          * Returns: 0 on success, -1 on failure
    2453             :          *
    2454             :          * This is an optional function to add WPS IE in the kernel driver for
    2455             :          * Beacon and Probe Response frames. This can be left undefined (set
    2456             :          * to %NULL) if the driver uses the Beacon template from set_ap()
    2457             :          * and does not process Probe Request frames. If the driver takes care
    2458             :          * of (Re)Association frame processing, the assocresp buffer includes
    2459             :          * WPS IE(s) that need to be added to (Re)Association Response frames
    2460             :          * whenever a (Re)Association Request frame indicated use of WPS.
    2461             :          *
    2462             :          * This will also be used to add P2P IE(s) into Beacon/Probe Response
    2463             :          * frames when operating as a GO. The driver is responsible for adding
    2464             :          * timing related attributes (e.g., NoA) in addition to the IEs
    2465             :          * included here by appending them after these buffers. This call is
    2466             :          * also used to provide Probe Response IEs for P2P Listen state
    2467             :          * operations for drivers that generate the Probe Response frames
    2468             :          * internally.
    2469             :          *
    2470             :          * DEPRECATED - use set_ap() instead
    2471             :          */
    2472             :         int (*set_ap_wps_ie)(void *priv, const struct wpabuf *beacon,
    2473             :                              const struct wpabuf *proberesp,
    2474             :                              const struct wpabuf *assocresp);
    2475             : 
    2476             :         /**
    2477             :          * set_supp_port - Set IEEE 802.1X Supplicant Port status
    2478             :          * @priv: Private driver interface data
    2479             :          * @authorized: Whether the port is authorized
    2480             :          * Returns: 0 on success, -1 on failure
    2481             :          */
    2482             :         int (*set_supp_port)(void *priv, int authorized);
    2483             : 
    2484             :         /**
    2485             :          * set_wds_sta - Bind a station into a 4-address WDS (AP only)
    2486             :          * @priv: Private driver interface data
    2487             :          * @addr: MAC address of the associated station
    2488             :          * @aid: Association ID
    2489             :          * @val: 1 = bind to 4-address WDS; 0 = unbind
    2490             :          * @bridge_ifname: Bridge interface to use for the WDS station or %NULL
    2491             :          *      to indicate that bridge is not to be used
    2492             :          * @ifname_wds: Buffer to return the interface name for the new WDS
    2493             :          *      station or %NULL to indicate name is not returned.
    2494             :          * Returns: 0 on success, -1 on failure
    2495             :          */
    2496             :         int (*set_wds_sta)(void *priv, const u8 *addr, int aid, int val,
    2497             :                            const char *bridge_ifname, char *ifname_wds);
    2498             : 
    2499             :         /**
    2500             :          * send_action - Transmit an Action frame
    2501             :          * @priv: Private driver interface data
    2502             :          * @freq: Frequency (in MHz) of the channel
    2503             :          * @wait: Time to wait off-channel for a response (in ms), or zero
    2504             :          * @dst: Destination MAC address (Address 1)
    2505             :          * @src: Source MAC address (Address 2)
    2506             :          * @bssid: BSSID (Address 3)
    2507             :          * @data: Frame body
    2508             :          * @data_len: data length in octets
    2509             :          @ @no_cck: Whether CCK rates must not be used to transmit this frame
    2510             :          * Returns: 0 on success, -1 on failure
    2511             :          *
    2512             :          * This command can be used to request the driver to transmit an action
    2513             :          * frame to the specified destination.
    2514             :          *
    2515             :          * If the %WPA_DRIVER_FLAGS_OFFCHANNEL_TX flag is set, the frame will
    2516             :          * be transmitted on the given channel and the device will wait for a
    2517             :          * response on that channel for the given wait time.
    2518             :          *
    2519             :          * If the flag is not set, the wait time will be ignored. In this case,
    2520             :          * if a remain-on-channel duration is in progress, the frame must be
    2521             :          * transmitted on that channel; alternatively the frame may be sent on
    2522             :          * the current operational channel (if in associated state in station
    2523             :          * mode or while operating as an AP.)
    2524             :          */
    2525             :         int (*send_action)(void *priv, unsigned int freq, unsigned int wait,
    2526             :                            const u8 *dst, const u8 *src, const u8 *bssid,
    2527             :                            const u8 *data, size_t data_len, int no_cck);
    2528             : 
    2529             :         /**
    2530             :          * send_action_cancel_wait - Cancel action frame TX wait
    2531             :          * @priv: Private driver interface data
    2532             :          *
    2533             :          * This command cancels the wait time associated with sending an action
    2534             :          * frame. It is only available when %WPA_DRIVER_FLAGS_OFFCHANNEL_TX is
    2535             :          * set in the driver flags.
    2536             :          */
    2537             :         void (*send_action_cancel_wait)(void *priv);
    2538             : 
    2539             :         /**
    2540             :          * remain_on_channel - Remain awake on a channel
    2541             :          * @priv: Private driver interface data
    2542             :          * @freq: Frequency (in MHz) of the channel
    2543             :          * @duration: Duration in milliseconds
    2544             :          * Returns: 0 on success, -1 on failure
    2545             :          *
    2546             :          * This command is used to request the driver to remain awake on the
    2547             :          * specified channel for the specified duration and report received
    2548             :          * Action frames with EVENT_RX_MGMT events. Optionally, received
    2549             :          * Probe Request frames may also be requested to be reported by calling
    2550             :          * probe_req_report(). These will be reported with EVENT_RX_PROBE_REQ.
    2551             :          *
    2552             :          * The driver may not be at the requested channel when this function
    2553             :          * returns, i.e., the return code is only indicating whether the
    2554             :          * request was accepted. The caller will need to wait until the
    2555             :          * EVENT_REMAIN_ON_CHANNEL event indicates that the driver has
    2556             :          * completed the channel change. This may take some time due to other
    2557             :          * need for the radio and the caller should be prepared to timing out
    2558             :          * its wait since there are no guarantees on when this request can be
    2559             :          * executed.
    2560             :          */
    2561             :         int (*remain_on_channel)(void *priv, unsigned int freq,
    2562             :                                  unsigned int duration);
    2563             : 
    2564             :         /**
    2565             :          * cancel_remain_on_channel - Cancel remain-on-channel operation
    2566             :          * @priv: Private driver interface data
    2567             :          *
    2568             :          * This command can be used to cancel a remain-on-channel operation
    2569             :          * before its originally requested duration has passed. This could be
    2570             :          * used, e.g., when remain_on_channel() is used to request extra time
    2571             :          * to receive a response to an Action frame and the response is
    2572             :          * received when there is still unneeded time remaining on the
    2573             :          * remain-on-channel operation.
    2574             :          */
    2575             :         int (*cancel_remain_on_channel)(void *priv);
    2576             : 
    2577             :         /**
    2578             :          * probe_req_report - Request Probe Request frames to be indicated
    2579             :          * @priv: Private driver interface data
    2580             :          * @report: Whether to report received Probe Request frames
    2581             :          * Returns: 0 on success, -1 on failure (or if not supported)
    2582             :          *
    2583             :          * This command can be used to request the driver to indicate when
    2584             :          * Probe Request frames are received with EVENT_RX_PROBE_REQ events.
    2585             :          * Since this operation may require extra resources, e.g., due to less
    2586             :          * optimal hardware/firmware RX filtering, many drivers may disable
    2587             :          * Probe Request reporting at least in station mode. This command is
    2588             :          * used to notify the driver when the Probe Request frames need to be
    2589             :          * reported, e.g., during remain-on-channel operations.
    2590             :          */
    2591             :         int (*probe_req_report)(void *priv, int report);
    2592             : 
    2593             :         /**
    2594             :          * deinit_ap - Deinitialize AP mode
    2595             :          * @priv: Private driver interface data
    2596             :          * Returns: 0 on success, -1 on failure (or if not supported)
    2597             :          *
    2598             :          * This optional function can be used to disable AP mode related
    2599             :          * configuration. If the interface was not dynamically added,
    2600             :          * change the driver mode to station mode to allow normal station
    2601             :          * operations like scanning to be completed.
    2602             :          */
    2603             :         int (*deinit_ap)(void *priv);
    2604             : 
    2605             :         /**
    2606             :          * deinit_p2p_cli - Deinitialize P2P client mode
    2607             :          * @priv: Private driver interface data
    2608             :          * Returns: 0 on success, -1 on failure (or if not supported)
    2609             :          *
    2610             :          * This optional function can be used to disable P2P client mode. If the
    2611             :          * interface was not dynamically added, change the interface type back
    2612             :          * to station mode.
    2613             :          */
    2614             :         int (*deinit_p2p_cli)(void *priv);
    2615             : 
    2616             :         /**
    2617             :          * suspend - Notification on system suspend/hibernate event
    2618             :          * @priv: Private driver interface data
    2619             :          */
    2620             :         void (*suspend)(void *priv);
    2621             : 
    2622             :         /**
    2623             :          * resume - Notification on system resume/thaw event
    2624             :          * @priv: Private driver interface data
    2625             :          */
    2626             :         void (*resume)(void *priv);
    2627             : 
    2628             :         /**
    2629             :          * signal_monitor - Set signal monitoring parameters
    2630             :          * @priv: Private driver interface data
    2631             :          * @threshold: Threshold value for signal change events; 0 = disabled
    2632             :          * @hysteresis: Minimum change in signal strength before indicating a
    2633             :          *      new event
    2634             :          * Returns: 0 on success, -1 on failure (or if not supported)
    2635             :          *
    2636             :          * This function can be used to configure monitoring of signal strength
    2637             :          * with the current AP. Whenever signal strength drops below the
    2638             :          * %threshold value or increases above it, EVENT_SIGNAL_CHANGE event
    2639             :          * should be generated assuming the signal strength has changed at
    2640             :          * least %hysteresis from the previously indicated signal change event.
    2641             :          */
    2642             :         int (*signal_monitor)(void *priv, int threshold, int hysteresis);
    2643             : 
    2644             :         /**
    2645             :          * send_frame - Send IEEE 802.11 frame (testing use only)
    2646             :          * @priv: Private driver interface data
    2647             :          * @data: IEEE 802.11 frame with IEEE 802.11 header
    2648             :          * @data_len: Size of the frame
    2649             :          * @encrypt: Whether to encrypt the frame (if keys are set)
    2650             :          * Returns: 0 on success, -1 on failure
    2651             :          *
    2652             :          * This function is only used for debugging purposes and is not
    2653             :          * required to be implemented for normal operations.
    2654             :          */
    2655             :         int (*send_frame)(void *priv, const u8 *data, size_t data_len,
    2656             :                           int encrypt);
    2657             : 
    2658             :         /**
    2659             :          * shared_freq - Get operating frequency of shared interface(s)
    2660             :          * @priv: Private driver interface data
    2661             :          * Returns: Operating frequency in MHz, 0 if no shared operation in
    2662             :          * use, or -1 on failure
    2663             :          *
    2664             :          * This command can be used to request the current operating frequency
    2665             :          * of any virtual interface that shares the same radio to provide
    2666             :          * information for channel selection for other virtual interfaces.
    2667             :          */
    2668             :         int (*shared_freq)(void *priv);
    2669             : 
    2670             :         /**
    2671             :          * get_noa - Get current Notice of Absence attribute payload
    2672             :          * @priv: Private driver interface data
    2673             :          * @buf: Buffer for returning NoA
    2674             :          * @buf_len: Buffer length in octets
    2675             :          * Returns: Number of octets used in buf, 0 to indicate no NoA is being
    2676             :          * advertized, or -1 on failure
    2677             :          *
    2678             :          * This function is used to fetch the current Notice of Absence
    2679             :          * attribute value from GO.
    2680             :          */
    2681             :         int (*get_noa)(void *priv, u8 *buf, size_t buf_len);
    2682             : 
    2683             :         /**
    2684             :          * set_noa - Set Notice of Absence parameters for GO (testing)
    2685             :          * @priv: Private driver interface data
    2686             :          * @count: Count
    2687             :          * @start: Start time in ms from next TBTT
    2688             :          * @duration: Duration in ms
    2689             :          * Returns: 0 on success or -1 on failure
    2690             :          *
    2691             :          * This function is used to set Notice of Absence parameters for GO. It
    2692             :          * is used only for testing. To disable NoA, all parameters are set to
    2693             :          * 0.
    2694             :          */
    2695             :         int (*set_noa)(void *priv, u8 count, int start, int duration);
    2696             : 
    2697             :         /**
    2698             :          * set_p2p_powersave - Set P2P power save options
    2699             :          * @priv: Private driver interface data
    2700             :          * @legacy_ps: 0 = disable, 1 = enable, 2 = maximum PS, -1 = no change
    2701             :          * @opp_ps: 0 = disable, 1 = enable, -1 = no change
    2702             :          * @ctwindow: 0.. = change (msec), -1 = no change
    2703             :          * Returns: 0 on success or -1 on failure
    2704             :          */
    2705             :         int (*set_p2p_powersave)(void *priv, int legacy_ps, int opp_ps,
    2706             :                                  int ctwindow);
    2707             : 
    2708             :         /**
    2709             :          * ampdu - Enable/disable aggregation
    2710             :          * @priv: Private driver interface data
    2711             :          * @ampdu: 1/0 = enable/disable A-MPDU aggregation
    2712             :          * Returns: 0 on success or -1 on failure
    2713             :          */
    2714             :         int (*ampdu)(void *priv, int ampdu);
    2715             : 
    2716             :         /**
    2717             :          * get_radio_name - Get physical radio name for the device
    2718             :          * @priv: Private driver interface data
    2719             :          * Returns: Radio name or %NULL if not known
    2720             :          *
    2721             :          * The returned data must not be modified by the caller. It is assumed
    2722             :          * that any interface that has the same radio name as another is
    2723             :          * sharing the same physical radio. This information can be used to
    2724             :          * share scan results etc. information between the virtual interfaces
    2725             :          * to speed up various operations.
    2726             :          */
    2727             :         const char * (*get_radio_name)(void *priv);
    2728             : 
    2729             :         /**
    2730             :          * send_tdls_mgmt - for sending TDLS management packets
    2731             :          * @priv: private driver interface data
    2732             :          * @dst: Destination (peer) MAC address
    2733             :          * @action_code: TDLS action code for the mssage
    2734             :          * @dialog_token: Dialog Token to use in the message (if needed)
    2735             :          * @status_code: Status Code or Reason Code to use (if needed)
    2736             :          * @peer_capab: TDLS peer capability (TDLS_PEER_* bitfield)
    2737             :          * @initiator: Is the current end the TDLS link initiator
    2738             :          * @buf: TDLS IEs to add to the message
    2739             :          * @len: Length of buf in octets
    2740             :          * Returns: 0 on success, negative (<0) on failure
    2741             :          *
    2742             :          * This optional function can be used to send packet to driver which is
    2743             :          * responsible for receiving and sending all TDLS packets.
    2744             :          */
    2745             :         int (*send_tdls_mgmt)(void *priv, const u8 *dst, u8 action_code,
    2746             :                               u8 dialog_token, u16 status_code, u32 peer_capab,
    2747             :                               int initiator, const u8 *buf, size_t len);
    2748             : 
    2749             :         /**
    2750             :          * tdls_oper - Ask the driver to perform high-level TDLS operations
    2751             :          * @priv: Private driver interface data
    2752             :          * @oper: TDLS high-level operation. See %enum tdls_oper
    2753             :          * @peer: Destination (peer) MAC address
    2754             :          * Returns: 0 on success, negative (<0) on failure
    2755             :          *
    2756             :          * This optional function can be used to send high-level TDLS commands
    2757             :          * to the driver.
    2758             :          */
    2759             :         int (*tdls_oper)(void *priv, enum tdls_oper oper, const u8 *peer);
    2760             : 
    2761             :         /**
    2762             :          * wnm_oper - Notify driver of the WNM frame reception
    2763             :          * @priv: Private driver interface data
    2764             :          * @oper: WNM operation. See %enum wnm_oper
    2765             :          * @peer: Destination (peer) MAC address
    2766             :          * @buf: Buffer for the driver to fill in (for getting IE)
    2767             :          * @buf_len: Return the len of buf
    2768             :          * Returns: 0 on success, negative (<0) on failure
    2769             :          */
    2770             :         int (*wnm_oper)(void *priv, enum wnm_oper oper, const u8 *peer,
    2771             :                         u8 *buf, u16 *buf_len);
    2772             : 
    2773             :         /**
    2774             :          * set_qos_map - Set QoS Map
    2775             :          * @priv: Private driver interface data
    2776             :          * @qos_map_set: QoS Map
    2777             :          * @qos_map_set_len: Length of QoS Map
    2778             :          */
    2779             :         int (*set_qos_map)(void *priv, const u8 *qos_map_set,
    2780             :                            u8 qos_map_set_len);
    2781             : 
    2782             :         /**
    2783             :          * br_add_ip_neigh - Add a neigh to the bridge ip neigh table
    2784             :          * @priv: Private driver interface data
    2785             :          * @version: IP version of the IP address, 4 or 6
    2786             :          * @ipaddr: IP address for the neigh entry
    2787             :          * @prefixlen: IP address prefix length
    2788             :          * @addr: Corresponding MAC address
    2789             :          * Returns: 0 on success, negative (<0) on failure
    2790             :          */
    2791             :         int (*br_add_ip_neigh)(void *priv, u8 version, const u8 *ipaddr,
    2792             :                                int prefixlen, const u8 *addr);
    2793             : 
    2794             :         /**
    2795             :          * br_delete_ip_neigh - Remove a neigh from the bridge ip neigh table
    2796             :          * @priv: Private driver interface data
    2797             :          * @version: IP version of the IP address, 4 or 6
    2798             :          * @ipaddr: IP address for the neigh entry
    2799             :          * Returns: 0 on success, negative (<0) on failure
    2800             :          */
    2801             :         int (*br_delete_ip_neigh)(void *priv, u8 version, const u8 *ipaddr);
    2802             : 
    2803             :         /**
    2804             :          * br_port_set_attr - Set a bridge port attribute
    2805             :          * @attr: Bridge port attribute to set
    2806             :          * @val: Value to be set
    2807             :          * Returns: 0 on success, negative (<0) on failure
    2808             :          */
    2809             :         int (*br_port_set_attr)(void *priv, enum drv_br_port_attr attr,
    2810             :                                 unsigned int val);
    2811             : 
    2812             :         /**
    2813             :          * br_port_set_attr - Set a bridge network parameter
    2814             :          * @param: Bridge parameter to set
    2815             :          * @val: Value to be set
    2816             :          * Returns: 0 on success, negative (<0) on failure
    2817             :          */
    2818             :         int (*br_set_net_param)(void *priv, enum drv_br_net_param param,
    2819             :                                 unsigned int val);
    2820             : 
    2821             :         /**
    2822             :          * set_wowlan - Set wake-on-wireless triggers
    2823             :          * @priv: Private driver interface data
    2824             :          * @triggers: wowlan triggers
    2825             :          */
    2826             :         int (*set_wowlan)(void *priv, const struct wowlan_triggers *triggers);
    2827             : 
    2828             :         /**
    2829             :          * signal_poll - Get current connection information
    2830             :          * @priv: Private driver interface data
    2831             :          * @signal_info: Connection info structure
    2832             :          */
    2833             :         int (*signal_poll)(void *priv, struct wpa_signal_info *signal_info);
    2834             : 
    2835             :         /**
    2836             :          * set_authmode - Set authentication algorithm(s) for static WEP
    2837             :          * @priv: Private driver interface data
    2838             :          * @authmode: 1=Open System, 2=Shared Key, 3=both
    2839             :          * Returns: 0 on success, -1 on failure
    2840             :          *
    2841             :          * This function can be used to set authentication algorithms for AP
    2842             :          * mode when static WEP is used. If the driver uses user space MLME/SME
    2843             :          * implementation, there is no need to implement this function.
    2844             :          *
    2845             :          * DEPRECATED - use set_ap() instead
    2846             :          */
    2847             :         int (*set_authmode)(void *priv, int authmode);
    2848             : 
    2849             : #ifdef ANDROID
    2850             :         /**
    2851             :          * driver_cmd - Execute driver-specific command
    2852             :          * @priv: Private driver interface data
    2853             :          * @cmd: Command to execute
    2854             :          * @buf: Return buffer
    2855             :          * @buf_len: Buffer length
    2856             :          * Returns: 0 on success, -1 on failure
    2857             :          */
    2858             :         int (*driver_cmd)(void *priv, char *cmd, char *buf, size_t buf_len);
    2859             : #endif /* ANDROID */
    2860             : 
    2861             :         /**
    2862             :          * vendor_cmd - Execute vendor specific command
    2863             :          * @priv: Private driver interface data
    2864             :          * @vendor_id: Vendor id
    2865             :          * @subcmd: Vendor command id
    2866             :          * @data: Vendor command parameters (%NULL if no parameters)
    2867             :          * @data_len: Data length
    2868             :          * @buf: Return buffer (%NULL to ignore reply)
    2869             :          * Returns: 0 on success, negative (<0) on failure
    2870             :          *
    2871             :          * This function handles vendor specific commands that are passed to
    2872             :          * the driver/device. The command is identified by vendor id and
    2873             :          * command id. Parameters can be passed as argument to the command
    2874             :          * in the data buffer. Reply (if any) will be filled in the supplied
    2875             :          * return buffer.
    2876             :          *
    2877             :          * The exact driver behavior is driver interface and vendor specific. As
    2878             :          * an example, this will be converted to a vendor specific cfg80211
    2879             :          * command in case of the nl80211 driver interface.
    2880             :          */
    2881             :         int (*vendor_cmd)(void *priv, unsigned int vendor_id,
    2882             :                           unsigned int subcmd, const u8 *data, size_t data_len,
    2883             :                           struct wpabuf *buf);
    2884             : 
    2885             :         /**
    2886             :          * set_rekey_info - Set rekey information
    2887             :          * @priv: Private driver interface data
    2888             :          * @kek: Current KEK
    2889             :          * @kek_len: KEK length in octets
    2890             :          * @kck: Current KCK
    2891             :          * @kck_len: KCK length in octets
    2892             :          * @replay_ctr: Current EAPOL-Key Replay Counter
    2893             :          *
    2894             :          * This optional function can be used to provide information for the
    2895             :          * driver/firmware to process EAPOL-Key frames in Group Key Handshake
    2896             :          * while the host (including wpa_supplicant) is sleeping.
    2897             :          */
    2898             :         void (*set_rekey_info)(void *priv, const u8 *kek, size_t kek_len,
    2899             :                                const u8 *kck, size_t kck_len,
    2900             :                                const u8 *replay_ctr);
    2901             : 
    2902             :         /**
    2903             :          * sta_assoc - Station association indication
    2904             :          * @priv: Private driver interface data
    2905             :          * @own_addr: Source address and BSSID for association frame
    2906             :          * @addr: MAC address of the station to associate
    2907             :          * @reassoc: flag to indicate re-association
    2908             :          * @status: association response status code
    2909             :          * @ie: assoc response ie buffer
    2910             :          * @len: ie buffer length
    2911             :          * Returns: 0 on success, -1 on failure
    2912             :          *
    2913             :          * This function indicates the driver to send (Re)Association
    2914             :          * Response frame to the station.
    2915             :          */
    2916             :          int (*sta_assoc)(void *priv, const u8 *own_addr, const u8 *addr,
    2917             :                           int reassoc, u16 status, const u8 *ie, size_t len);
    2918             : 
    2919             :         /**
    2920             :          * sta_auth - Station authentication indication
    2921             :          * @priv: Private driver interface data
    2922             :          * @own_addr: Source address and BSSID for authentication frame
    2923             :          * @addr: MAC address of the station to associate
    2924             :          * @seq: authentication sequence number
    2925             :          * @status: authentication response status code
    2926             :          * @ie: authentication frame ie buffer
    2927             :          * @len: ie buffer length
    2928             :          *
    2929             :          * This function indicates the driver to send Authentication frame
    2930             :          * to the station.
    2931             :          */
    2932             :          int (*sta_auth)(void *priv, const u8 *own_addr, const u8 *addr,
    2933             :                          u16 seq, u16 status, const u8 *ie, size_t len);
    2934             : 
    2935             :         /**
    2936             :          * add_tspec - Add traffic stream
    2937             :          * @priv: Private driver interface data
    2938             :          * @addr: MAC address of the station to associate
    2939             :          * @tspec_ie: tspec ie buffer
    2940             :          * @tspec_ielen: tspec ie length
    2941             :          * Returns: 0 on success, -1 on failure
    2942             :          *
    2943             :          * This function adds the traffic steam for the station
    2944             :          * and fills the medium_time in tspec_ie.
    2945             :          */
    2946             :          int (*add_tspec)(void *priv, const u8 *addr, u8 *tspec_ie,
    2947             :                           size_t tspec_ielen);
    2948             : 
    2949             :         /**
    2950             :          * add_sta_node - Add a station node in the driver
    2951             :          * @priv: Private driver interface data
    2952             :          * @addr: MAC address of the station to add
    2953             :          * @auth_alg: authentication algorithm used by the station
    2954             :          * Returns: 0 on success, -1 on failure
    2955             :          *
    2956             :          * This function adds the station node in the driver, when
    2957             :          * the station gets added by FT-over-DS.
    2958             :          */
    2959             :         int (*add_sta_node)(void *priv, const u8 *addr, u16 auth_alg);
    2960             : 
    2961             :         /**
    2962             :          * sched_scan - Request the driver to initiate scheduled scan
    2963             :          * @priv: Private driver interface data
    2964             :          * @params: Scan parameters
    2965             :          * @interval: Interval between scan cycles in milliseconds
    2966             :          * Returns: 0 on success, -1 on failure
    2967             :          *
    2968             :          * This operation should be used for scheduled scan offload to
    2969             :          * the hardware. Every time scan results are available, the
    2970             :          * driver should report scan results event for wpa_supplicant
    2971             :          * which will eventually request the results with
    2972             :          * wpa_driver_get_scan_results2(). This operation is optional
    2973             :          * and if not provided or if it returns -1, we fall back to
    2974             :          * normal host-scheduled scans.
    2975             :          */
    2976             :         int (*sched_scan)(void *priv, struct wpa_driver_scan_params *params,
    2977             :                           u32 interval);
    2978             : 
    2979             :         /**
    2980             :          * stop_sched_scan - Request the driver to stop a scheduled scan
    2981             :          * @priv: Private driver interface data
    2982             :          * Returns: 0 on success, -1 on failure
    2983             :          *
    2984             :          * This should cause the scheduled scan to be stopped and
    2985             :          * results should stop being sent. Must be supported if
    2986             :          * sched_scan is supported.
    2987             :          */
    2988             :         int (*stop_sched_scan)(void *priv);
    2989             : 
    2990             :         /**
    2991             :          * poll_client - Probe (null data or such) the given station
    2992             :          * @priv: Private driver interface data
    2993             :          * @own_addr: MAC address of sending interface
    2994             :          * @addr: MAC address of the station to probe
    2995             :          * @qos: Indicates whether station is QoS station
    2996             :          *
    2997             :          * This function is used to verify whether an associated station is
    2998             :          * still present. This function does not need to be implemented if the
    2999             :          * driver provides such inactivity polling mechanism.
    3000             :          */
    3001             :         void (*poll_client)(void *priv, const u8 *own_addr,
    3002             :                             const u8 *addr, int qos);
    3003             : 
    3004             :         /**
    3005             :          * radio_disable - Disable/enable radio
    3006             :          * @priv: Private driver interface data
    3007             :          * @disabled: 1=disable 0=enable radio
    3008             :          * Returns: 0 on success, -1 on failure
    3009             :          *
    3010             :          * This optional command is for testing purposes. It can be used to
    3011             :          * disable the radio on a testbed device to simulate out-of-radio-range
    3012             :          * conditions.
    3013             :          */
    3014             :         int (*radio_disable)(void *priv, int disabled);
    3015             : 
    3016             :         /**
    3017             :          * switch_channel - Announce channel switch and migrate the GO to the
    3018             :          * given frequency
    3019             :          * @priv: Private driver interface data
    3020             :          * @settings: Settings for CSA period and new channel
    3021             :          * Returns: 0 on success, -1 on failure
    3022             :          *
    3023             :          * This function is used to move the GO to the legacy STA channel to
    3024             :          * avoid frequency conflict in single channel concurrency.
    3025             :          */
    3026             :         int (*switch_channel)(void *priv, struct csa_settings *settings);
    3027             : 
    3028             :         /**
    3029             :          * add_tx_ts - Add traffic stream
    3030             :          * @priv: Private driver interface data
    3031             :          * @tsid: Traffic stream ID
    3032             :          * @addr: Receiver address
    3033             :          * @user_prio: User priority of the traffic stream
    3034             :          * @admitted_time: Admitted time for this TS in units of
    3035             :          *      32 microsecond periods (per second).
    3036             :          * Returns: 0 on success, -1 on failure
    3037             :          */
    3038             :         int (*add_tx_ts)(void *priv, u8 tsid, const u8 *addr, u8 user_prio,
    3039             :                          u16 admitted_time);
    3040             : 
    3041             :         /**
    3042             :          * del_tx_ts - Delete traffic stream
    3043             :          * @priv: Private driver interface data
    3044             :          * @tsid: Traffic stream ID
    3045             :          * @addr: Receiver address
    3046             :          * Returns: 0 on success, -1 on failure
    3047             :          */
    3048             :         int (*del_tx_ts)(void *priv, u8 tsid, const u8 *addr);
    3049             : 
    3050             :         /**
    3051             :          * Enable channel-switching with TDLS peer
    3052             :          * @priv: Private driver interface data
    3053             :          * @addr: MAC address of the TDLS peer
    3054             :          * @oper_class: Operating class of the switch channel
    3055             :          * @params: Channel specification
    3056             :          * Returns: 0 on success, -1 on failure
    3057             :          *
    3058             :          * The function indicates to driver that it can start switching to a
    3059             :          * different channel with a specified TDLS peer. The switching is
    3060             :          * assumed on until canceled with tdls_disable_channel_switch().
    3061             :          */
    3062             :         int (*tdls_enable_channel_switch)(
    3063             :                 void *priv, const u8 *addr, u8 oper_class,
    3064             :                 const struct hostapd_freq_params *params);
    3065             : 
    3066             :         /**
    3067             :          * Disable channel switching with TDLS peer
    3068             :          * @priv: Private driver interface data
    3069             :          * @addr: MAC address of the TDLS peer
    3070             :          * Returns: 0 on success, -1 on failure
    3071             :          *
    3072             :          * This function indicates to the driver that it should stop switching
    3073             :          * with a given TDLS peer.
    3074             :          */
    3075             :         int (*tdls_disable_channel_switch)(void *priv, const u8 *addr);
    3076             : 
    3077             :         /**
    3078             :          * start_dfs_cac - Listen for radar interference on the channel
    3079             :          * @priv: Private driver interface data
    3080             :          * @freq: Channel parameters
    3081             :          * Returns: 0 on success, -1 on failure
    3082             :          */
    3083             :         int (*start_dfs_cac)(void *priv, struct hostapd_freq_params *freq);
    3084             : 
    3085             :         /**
    3086             :          * stop_ap - Removes beacon from AP
    3087             :          * @priv: Private driver interface data
    3088             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3089             :          *
    3090             :          * This optional function can be used to disable AP mode related
    3091             :          * configuration. Unlike deinit_ap, it does not change to station
    3092             :          * mode.
    3093             :          */
    3094             :         int (*stop_ap)(void *priv);
    3095             : 
    3096             :         /**
    3097             :          * get_survey - Retrieve survey data
    3098             :          * @priv: Private driver interface data
    3099             :          * @freq: If set, survey data for the specified frequency is only
    3100             :          *      being requested. If not set, all survey data is requested.
    3101             :          * Returns: 0 on success, -1 on failure
    3102             :          *
    3103             :          * Use this to retrieve:
    3104             :          *
    3105             :          * - the observed channel noise floor
    3106             :          * - the amount of time we have spent on the channel
    3107             :          * - the amount of time during which we have spent on the channel that
    3108             :          *   the radio has determined the medium is busy and we cannot
    3109             :          *   transmit
    3110             :          * - the amount of time we have spent receiving data
    3111             :          * - the amount of time we have spent transmitting data
    3112             :          *
    3113             :          * This data can be used for spectrum heuristics. One example is
    3114             :          * Automatic Channel Selection (ACS). The channel survey data is
    3115             :          * kept on a linked list on the channel data, one entry is added
    3116             :          * for each survey. The min_nf of the channel is updated for each
    3117             :          * survey.
    3118             :          */
    3119             :         int (*get_survey)(void *priv, unsigned int freq);
    3120             : 
    3121             :         /**
    3122             :          * status - Get driver interface status information
    3123             :          * @priv: Private driver interface data
    3124             :          * @buf: Buffer for printing tou the status information
    3125             :          * @buflen: Maximum length of the buffer
    3126             :          * Returns: Length of written status information or -1 on failure
    3127             :          */
    3128             :         int (*status)(void *priv, char *buf, size_t buflen);
    3129             : 
    3130             :         /**
    3131             :          * roaming - Set roaming policy for driver-based BSS selection
    3132             :          * @priv: Private driver interface data
    3133             :          * @allowed: Whether roaming within ESS is allowed
    3134             :          * @bssid: Forced BSSID if roaming is disabled or %NULL if not set
    3135             :          * Returns: Length of written status information or -1 on failure
    3136             :          *
    3137             :          * This optional callback can be used to update roaming policy from the
    3138             :          * associate() command (bssid being set there indicates that the driver
    3139             :          * should not roam before getting this roaming() call to allow roaming.
    3140             :          * If the driver does not indicate WPA_DRIVER_FLAGS_BSS_SELECTION
    3141             :          * capability, roaming policy is handled within wpa_supplicant and there
    3142             :          * is no need to implement or react to this callback.
    3143             :          */
    3144             :         int (*roaming)(void *priv, int allowed, const u8 *bssid);
    3145             : 
    3146             :         /**
    3147             :          * set_mac_addr - Set MAC address
    3148             :          * @priv: Private driver interface data
    3149             :          * @addr: MAC address to use or %NULL for setting back to permanent
    3150             :          * Returns: 0 on success, -1 on failure
    3151             :          */
    3152             :         int (*set_mac_addr)(void *priv, const u8 *addr);
    3153             : 
    3154             : #ifdef CONFIG_MACSEC
    3155             :         int (*macsec_init)(void *priv, struct macsec_init_params *params);
    3156             : 
    3157             :         int (*macsec_deinit)(void *priv);
    3158             : 
    3159             :         /**
    3160             :          * enable_protect_frames - Set protect frames status
    3161             :          * @priv: Private driver interface data
    3162             :          * @enabled: TRUE = protect frames enabled
    3163             :          *           FALSE = protect frames disabled
    3164             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3165             :          */
    3166             :         int (*enable_protect_frames)(void *priv, Boolean enabled);
    3167             : 
    3168             :         /**
    3169             :          * set_replay_protect - Set replay protect status and window size
    3170             :          * @priv: Private driver interface data
    3171             :          * @enabled: TRUE = replay protect enabled
    3172             :          *           FALSE = replay protect disabled
    3173             :          * @window: replay window size, valid only when replay protect enabled
    3174             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3175             :          */
    3176             :         int (*set_replay_protect)(void *priv, Boolean enabled, u32 window);
    3177             : 
    3178             :         /**
    3179             :          * set_current_cipher_suite - Set current cipher suite
    3180             :          * @priv: Private driver interface data
    3181             :          * @cs: EUI64 identifier
    3182             :          * @cs_len: Length of the cs buffer in octets
    3183             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3184             :          */
    3185             :         int (*set_current_cipher_suite)(void *priv, const u8 *cs,
    3186             :                                         size_t cs_len);
    3187             : 
    3188             :         /**
    3189             :          * enable_controlled_port - Set controlled port status
    3190             :          * @priv: Private driver interface data
    3191             :          * @enabled: TRUE = controlled port enabled
    3192             :          *           FALSE = controlled port disabled
    3193             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3194             :          */
    3195             :         int (*enable_controlled_port)(void *priv, Boolean enabled);
    3196             : 
    3197             :         /**
    3198             :          * get_receive_lowest_pn - Get receive lowest pn
    3199             :          * @priv: Private driver interface data
    3200             :          * @channel: secure channel
    3201             :          * @an: association number
    3202             :          * @lowest_pn: lowest accept pn
    3203             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3204             :          */
    3205             :         int (*get_receive_lowest_pn)(void *priv, u32 channel, u8 an,
    3206             :                                      u32 *lowest_pn);
    3207             : 
    3208             :         /**
    3209             :          * get_transmit_next_pn - Get transmit next pn
    3210             :          * @priv: Private driver interface data
    3211             :          * @channel: secure channel
    3212             :          * @an: association number
    3213             :          * @next_pn: next pn
    3214             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3215             :          */
    3216             :         int (*get_transmit_next_pn)(void *priv, u32 channel, u8 an,
    3217             :                                     u32 *next_pn);
    3218             : 
    3219             :         /**
    3220             :          * set_transmit_next_pn - Set transmit next pn
    3221             :          * @priv: Private driver interface data
    3222             :          * @channel: secure channel
    3223             :          * @an: association number
    3224             :          * @next_pn: next pn
    3225             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3226             :          */
    3227             :         int (*set_transmit_next_pn)(void *priv, u32 channel, u8 an,
    3228             :                                     u32 next_pn);
    3229             : 
    3230             :         /**
    3231             :          * get_available_receive_sc - get available receive channel
    3232             :          * @priv: Private driver interface data
    3233             :          * @channel: secure channel
    3234             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3235             :          */
    3236             :         int (*get_available_receive_sc)(void *priv, u32 *channel);
    3237             : 
    3238             :         /**
    3239             :          * create_receive_sc - create secure channel for receiving
    3240             :          * @priv: Private driver interface data
    3241             :          * @channel: secure channel
    3242             :          * @sci_addr: secure channel identifier - address
    3243             :          * @sci_port: secure channel identifier - port
    3244             :          * @conf_offset: confidentiality offset (0, 30, or 50)
    3245             :          * @validation: frame validation policy (0 = Disabled, 1 = Checked,
    3246             :          *      2 = Strict)
    3247             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3248             :          */
    3249             :         int (*create_receive_sc)(void *priv, u32 channel, const u8 *sci_addr,
    3250             :                                  u16 sci_port, unsigned int conf_offset,
    3251             :                                  int validation);
    3252             : 
    3253             :         /**
    3254             :          * delete_receive_sc - delete secure connection for receiving
    3255             :          * @priv: private driver interface data from init()
    3256             :          * @channel: secure channel
    3257             :          * Returns: 0 on success, -1 on failure
    3258             :          */
    3259             :         int (*delete_receive_sc)(void *priv, u32 channel);
    3260             : 
    3261             :         /**
    3262             :          * create_receive_sa - create secure association for receive
    3263             :          * @priv: private driver interface data from init()
    3264             :          * @channel: secure channel
    3265             :          * @an: association number
    3266             :          * @lowest_pn: the lowest packet number can be received
    3267             :          * @sak: the secure association key
    3268             :          * Returns: 0 on success, -1 on failure
    3269             :          */
    3270             :         int (*create_receive_sa)(void *priv, u32 channel, u8 an,
    3271             :                                  u32 lowest_pn, const u8 *sak);
    3272             : 
    3273             :         /**
    3274             :          * enable_receive_sa - enable the SA for receive
    3275             :          * @priv: private driver interface data from init()
    3276             :          * @channel: secure channel
    3277             :          * @an: association number
    3278             :          * Returns: 0 on success, -1 on failure
    3279             :          */
    3280             :         int (*enable_receive_sa)(void *priv, u32 channel, u8 an);
    3281             : 
    3282             :         /**
    3283             :          * disable_receive_sa - disable SA for receive
    3284             :          * @priv: private driver interface data from init()
    3285             :          * @channel: secure channel index
    3286             :          * @an: association number
    3287             :          * Returns: 0 on success, -1 on failure
    3288             :          */
    3289             :         int (*disable_receive_sa)(void *priv, u32 channel, u8 an);
    3290             : 
    3291             :         /**
    3292             :          * get_available_transmit_sc - get available transmit channel
    3293             :          * @priv: Private driver interface data
    3294             :          * @channel: secure channel
    3295             :          * Returns: 0 on success, -1 on failure (or if not supported)
    3296             :          */
    3297             :         int (*get_available_transmit_sc)(void *priv, u32 *channel);
    3298             : 
    3299             :         /**
    3300             :          * create_transmit_sc - create secure connection for transmit
    3301             :          * @priv: private driver interface data from init()
    3302             :          * @channel: secure channel
    3303             :          * @sci_addr: secure channel identifier - address
    3304             :          * @sci_port: secure channel identifier - port
    3305             :          * Returns: 0 on success, -1 on failure
    3306             :          */
    3307             :         int (*create_transmit_sc)(void *priv, u32 channel, const u8 *sci_addr,
    3308             :                                   u16 sci_port, unsigned int conf_offset);
    3309             : 
    3310             :         /**
    3311             :          * delete_transmit_sc - delete secure connection for transmit
    3312             :          * @priv: private driver interface data from init()
    3313             :          * @channel: secure channel
    3314             :          * Returns: 0 on success, -1 on failure
    3315             :          */
    3316             :         int (*delete_transmit_sc)(void *priv, u32 channel);
    3317             : 
    3318             :         /**
    3319             :          * create_transmit_sa - create secure association for transmit
    3320             :          * @priv: private driver interface data from init()
    3321             :          * @channel: secure channel index
    3322             :          * @an: association number
    3323             :          * @next_pn: the packet number used as next transmit packet
    3324             :          * @confidentiality: True if the SA is to provide confidentiality
    3325             :          *                   as well as integrity
    3326             :          * @sak: the secure association key
    3327             :          * Returns: 0 on success, -1 on failure
    3328             :          */
    3329             :         int (*create_transmit_sa)(void *priv, u32 channel, u8 an, u32 next_pn,
    3330             :                                   Boolean confidentiality, const u8 *sak);
    3331             : 
    3332             :         /**
    3333             :          * enable_transmit_sa - enable SA for transmit
    3334             :          * @priv: private driver interface data from init()
    3335             :          * @channel: secure channel
    3336             :          * @an: association number
    3337             :          * Returns: 0 on success, -1 on failure
    3338             :          */
    3339             :         int (*enable_transmit_sa)(void *priv, u32 channel, u8 an);
    3340             : 
    3341             :         /**
    3342             :          * disable_transmit_sa - disable SA for transmit
    3343             :          * @priv: private driver interface data from init()
    3344             :          * @channel: secure channel
    3345             :          * @an: association number
    3346             :          * Returns: 0 on success, -1 on failure
    3347             :          */
    3348             :         int (*disable_transmit_sa)(void *priv, u32 channel, u8 an);
    3349             : #endif /* CONFIG_MACSEC */
    3350             : 
    3351             :         /**
    3352             :          * init_mesh - Driver specific initialization for mesh
    3353             :          * @priv: Private driver interface data
    3354             :          * Returns: 0 on success, -1 on failure
    3355             :          */
    3356             :         int (*init_mesh)(void *priv);
    3357             : 
    3358             :         /**
    3359             :          * join_mesh - Join a mesh network
    3360             :          * @priv: Private driver interface data
    3361             :          * @params: Mesh configuration parameters
    3362             :          * Returns: 0 on success, -1 on failure
    3363             :          */
    3364             :         int (*join_mesh)(void *priv,
    3365             :                          struct wpa_driver_mesh_join_params *params);
    3366             : 
    3367             :         /**
    3368             :          * leave_mesh - Leave a mesh network
    3369             :          * @priv: Private driver interface data
    3370             :          * Returns 0 on success, -1 on failure
    3371             :          */
    3372             :         int (*leave_mesh)(void *priv);
    3373             : 
    3374             :         /**
    3375             :          * do_acs - Automatically select channel
    3376             :          * @priv: Private driver interface data
    3377             :          * @params: Parameters for ACS
    3378             :          * Returns 0 on success, -1 on failure
    3379             :          *
    3380             :          * This command can be used to offload ACS to the driver if the driver
    3381             :          * indicates support for such offloading (WPA_DRIVER_FLAGS_ACS_OFFLOAD).
    3382             :          */
    3383             :         int (*do_acs)(void *priv, struct drv_acs_params *params);
    3384             : };
    3385             : 
    3386             : 
    3387             : /**
    3388             :  * enum wpa_event_type - Event type for wpa_supplicant_event() calls
    3389             :  */
    3390             : enum wpa_event_type {
    3391             :         /**
    3392             :          * EVENT_ASSOC - Association completed
    3393             :          *
    3394             :          * This event needs to be delivered when the driver completes IEEE
    3395             :          * 802.11 association or reassociation successfully.
    3396             :          * wpa_driver_ops::get_bssid() is expected to provide the current BSSID
    3397             :          * after this event has been generated. In addition, optional
    3398             :          * EVENT_ASSOCINFO may be generated just before EVENT_ASSOC to provide
    3399             :          * more information about the association. If the driver interface gets
    3400             :          * both of these events at the same time, it can also include the
    3401             :          * assoc_info data in EVENT_ASSOC call.
    3402             :          */
    3403             :         EVENT_ASSOC,
    3404             : 
    3405             :         /**
    3406             :          * EVENT_DISASSOC - Association lost
    3407             :          *
    3408             :          * This event should be called when association is lost either due to
    3409             :          * receiving deauthenticate or disassociate frame from the AP or when
    3410             :          * sending either of these frames to the current AP. If the driver
    3411             :          * supports separate deauthentication event, EVENT_DISASSOC should only
    3412             :          * be used for disassociation and EVENT_DEAUTH for deauthentication.
    3413             :          * In AP mode, union wpa_event_data::disassoc_info is required.
    3414             :          */
    3415             :         EVENT_DISASSOC,
    3416             : 
    3417             :         /**
    3418             :          * EVENT_MICHAEL_MIC_FAILURE - Michael MIC (TKIP) detected
    3419             :          *
    3420             :          * This event must be delivered when a Michael MIC error is detected by
    3421             :          * the local driver. Additional data for event processing is
    3422             :          * provided with union wpa_event_data::michael_mic_failure. This
    3423             :          * information is used to request new encyption key and to initiate
    3424             :          * TKIP countermeasures if needed.
    3425             :          */
    3426             :         EVENT_MICHAEL_MIC_FAILURE,
    3427             : 
    3428             :         /**
    3429             :          * EVENT_SCAN_RESULTS - Scan results available
    3430             :          *
    3431             :          * This event must be called whenever scan results are available to be
    3432             :          * fetched with struct wpa_driver_ops::get_scan_results(). This event
    3433             :          * is expected to be used some time after struct wpa_driver_ops::scan()
    3434             :          * is called. If the driver provides an unsolicited event when the scan
    3435             :          * has been completed, this event can be used to trigger
    3436             :          * EVENT_SCAN_RESULTS call. If such event is not available from the
    3437             :          * driver, the driver wrapper code is expected to use a registered
    3438             :          * timeout to generate EVENT_SCAN_RESULTS call after the time that the
    3439             :          * scan is expected to be completed. Optional information about
    3440             :          * completed scan can be provided with union wpa_event_data::scan_info.
    3441             :          */
    3442             :         EVENT_SCAN_RESULTS,
    3443             : 
    3444             :         /**
    3445             :          * EVENT_ASSOCINFO - Report optional extra information for association
    3446             :          *
    3447             :          * This event can be used to report extra association information for
    3448             :          * EVENT_ASSOC processing. This extra information includes IEs from
    3449             :          * association frames and Beacon/Probe Response frames in union
    3450             :          * wpa_event_data::assoc_info. EVENT_ASSOCINFO must be send just before
    3451             :          * EVENT_ASSOC. Alternatively, the driver interface can include
    3452             :          * assoc_info data in the EVENT_ASSOC call if it has all the
    3453             :          * information available at the same point.
    3454             :          */
    3455             :         EVENT_ASSOCINFO,
    3456             : 
    3457             :         /**
    3458             :          * EVENT_INTERFACE_STATUS - Report interface status changes
    3459             :          *
    3460             :          * This optional event can be used to report changes in interface
    3461             :          * status (interface added/removed) using union
    3462             :          * wpa_event_data::interface_status. This can be used to trigger
    3463             :          * wpa_supplicant to stop and re-start processing for the interface,
    3464             :          * e.g., when a cardbus card is ejected/inserted.
    3465             :          */
    3466             :         EVENT_INTERFACE_STATUS,
    3467             : 
    3468             :         /**
    3469             :          * EVENT_PMKID_CANDIDATE - Report a candidate AP for pre-authentication
    3470             :          *
    3471             :          * This event can be used to inform wpa_supplicant about candidates for
    3472             :          * RSN (WPA2) pre-authentication. If wpa_supplicant is not responsible
    3473             :          * for scan request (ap_scan=2 mode), this event is required for
    3474             :          * pre-authentication. If wpa_supplicant is performing scan request
    3475             :          * (ap_scan=1), this event is optional since scan results can be used
    3476             :          * to add pre-authentication candidates. union
    3477             :          * wpa_event_data::pmkid_candidate is used to report the BSSID of the
    3478             :          * candidate and priority of the candidate, e.g., based on the signal
    3479             :          * strength, in order to try to pre-authenticate first with candidates
    3480             :          * that are most likely targets for re-association.
    3481             :          *
    3482             :          * EVENT_PMKID_CANDIDATE can be called whenever the driver has updates
    3483             :          * on the candidate list. In addition, it can be called for the current
    3484             :          * AP and APs that have existing PMKSA cache entries. wpa_supplicant
    3485             :          * will automatically skip pre-authentication in cases where a valid
    3486             :          * PMKSA exists. When more than one candidate exists, this event should
    3487             :          * be generated once for each candidate.
    3488             :          *
    3489             :          * Driver will be notified about successful pre-authentication with
    3490             :          * struct wpa_driver_ops::add_pmkid() calls.
    3491             :          */
    3492             :         EVENT_PMKID_CANDIDATE,
    3493             : 
    3494             :         /**
    3495             :          * EVENT_STKSTART - Request STK handshake (MLME-STKSTART.request)
    3496             :          *
    3497             :          * This event can be used to inform wpa_supplicant about desire to set
    3498             :          * up secure direct link connection between two stations as defined in
    3499             :          * IEEE 802.11e with a new PeerKey mechanism that replaced the original
    3500             :          * STAKey negotiation. The caller will need to set peer address for the
    3501             :          * event.
    3502             :          */
    3503             :         EVENT_STKSTART,
    3504             : 
    3505             :         /**
    3506             :          * EVENT_TDLS - Request TDLS operation
    3507             :          *
    3508             :          * This event can be used to request a TDLS operation to be performed.
    3509             :          */
    3510             :         EVENT_TDLS,
    3511             : 
    3512             :         /**
    3513             :          * EVENT_FT_RESPONSE - Report FT (IEEE 802.11r) response IEs
    3514             :          *
    3515             :          * The driver is expected to report the received FT IEs from
    3516             :          * FT authentication sequence from the AP. The FT IEs are included in
    3517             :          * the extra information in union wpa_event_data::ft_ies.
    3518             :          */
    3519             :         EVENT_FT_RESPONSE,
    3520             : 
    3521             :         /**
    3522             :          * EVENT_IBSS_RSN_START - Request RSN authentication in IBSS
    3523             :          *
    3524             :          * The driver can use this event to inform wpa_supplicant about a STA
    3525             :          * in an IBSS with which protected frames could be exchanged. This
    3526             :          * event starts RSN authentication with the other STA to authenticate
    3527             :          * the STA and set up encryption keys with it.
    3528             :          */
    3529             :         EVENT_IBSS_RSN_START,
    3530             : 
    3531             :         /**
    3532             :          * EVENT_AUTH - Authentication result
    3533             :          *
    3534             :          * This event should be called when authentication attempt has been
    3535             :          * completed. This is only used if the driver supports separate
    3536             :          * authentication step (struct wpa_driver_ops::authenticate).
    3537             :          * Information about authentication result is included in
    3538             :          * union wpa_event_data::auth.
    3539             :          */
    3540             :         EVENT_AUTH,
    3541             : 
    3542             :         /**
    3543             :          * EVENT_DEAUTH - Authentication lost
    3544             :          *
    3545             :          * This event should be called when authentication is lost either due
    3546             :          * to receiving deauthenticate frame from the AP or when sending that
    3547             :          * frame to the current AP.
    3548             :          * In AP mode, union wpa_event_data::deauth_info is required.
    3549             :          */
    3550             :         EVENT_DEAUTH,
    3551             : 
    3552             :         /**
    3553             :          * EVENT_ASSOC_REJECT - Association rejected
    3554             :          *
    3555             :          * This event should be called when (re)association attempt has been
    3556             :          * rejected by the AP. Information about the association response is
    3557             :          * included in union wpa_event_data::assoc_reject.
    3558             :          */
    3559             :         EVENT_ASSOC_REJECT,
    3560             : 
    3561             :         /**
    3562             :          * EVENT_AUTH_TIMED_OUT - Authentication timed out
    3563             :          */
    3564             :         EVENT_AUTH_TIMED_OUT,
    3565             : 
    3566             :         /**
    3567             :          * EVENT_ASSOC_TIMED_OUT - Association timed out
    3568             :          */
    3569             :         EVENT_ASSOC_TIMED_OUT,
    3570             : 
    3571             :         /**
    3572             :          * EVENT_WPS_BUTTON_PUSHED - Report hardware push button press for WPS
    3573             :          */
    3574             :         EVENT_WPS_BUTTON_PUSHED,
    3575             : 
    3576             :         /**
    3577             :          * EVENT_TX_STATUS - Report TX status
    3578             :          */
    3579             :         EVENT_TX_STATUS,
    3580             : 
    3581             :         /**
    3582             :          * EVENT_RX_FROM_UNKNOWN - Report RX from unknown STA
    3583             :          */
    3584             :         EVENT_RX_FROM_UNKNOWN,
    3585             : 
    3586             :         /**
    3587             :          * EVENT_RX_MGMT - Report RX of a management frame
    3588             :          */
    3589             :         EVENT_RX_MGMT,
    3590             : 
    3591             :         /**
    3592             :          * EVENT_REMAIN_ON_CHANNEL - Remain-on-channel duration started
    3593             :          *
    3594             :          * This event is used to indicate when the driver has started the
    3595             :          * requested remain-on-channel duration. Information about the
    3596             :          * operation is included in union wpa_event_data::remain_on_channel.
    3597             :          */
    3598             :         EVENT_REMAIN_ON_CHANNEL,
    3599             : 
    3600             :         /**
    3601             :          * EVENT_CANCEL_REMAIN_ON_CHANNEL - Remain-on-channel timed out
    3602             :          *
    3603             :          * This event is used to indicate when the driver has completed
    3604             :          * remain-on-channel duration, i.e., may noot be available on the
    3605             :          * requested channel anymore. Information about the
    3606             :          * operation is included in union wpa_event_data::remain_on_channel.
    3607             :          */
    3608             :         EVENT_CANCEL_REMAIN_ON_CHANNEL,
    3609             : 
    3610             :         /**
    3611             :          * EVENT_RX_PROBE_REQ - Indicate received Probe Request frame
    3612             :          *
    3613             :          * This event is used to indicate when a Probe Request frame has been
    3614             :          * received. Information about the received frame is included in
    3615             :          * union wpa_event_data::rx_probe_req. The driver is required to report
    3616             :          * these events only after successfully completed probe_req_report()
    3617             :          * commands to request the events (i.e., report parameter is non-zero)
    3618             :          * in station mode. In AP mode, Probe Request frames should always be
    3619             :          * reported.
    3620             :          */
    3621             :         EVENT_RX_PROBE_REQ,
    3622             : 
    3623             :         /**
    3624             :          * EVENT_NEW_STA - New wired device noticed
    3625             :          *
    3626             :          * This event is used to indicate that a new device has been detected
    3627             :          * in a network that does not use association-like functionality (i.e.,
    3628             :          * mainly wired Ethernet). This can be used to start EAPOL
    3629             :          * authenticator when receiving a frame from a device. The address of
    3630             :          * the device is included in union wpa_event_data::new_sta.
    3631             :          */
    3632             :         EVENT_NEW_STA,
    3633             : 
    3634             :         /**
    3635             :          * EVENT_EAPOL_RX - Report received EAPOL frame
    3636             :          *
    3637             :          * When in AP mode with hostapd, this event is required to be used to
    3638             :          * deliver the receive EAPOL frames from the driver.
    3639             :          */
    3640             :         EVENT_EAPOL_RX,
    3641             : 
    3642             :         /**
    3643             :          * EVENT_SIGNAL_CHANGE - Indicate change in signal strength
    3644             :          *
    3645             :          * This event is used to indicate changes in the signal strength
    3646             :          * observed in frames received from the current AP if signal strength
    3647             :          * monitoring has been enabled with signal_monitor().
    3648             :          */
    3649             :         EVENT_SIGNAL_CHANGE,
    3650             : 
    3651             :         /**
    3652             :          * EVENT_INTERFACE_ENABLED - Notify that interface was enabled
    3653             :          *
    3654             :          * This event is used to indicate that the interface was enabled after
    3655             :          * having been previously disabled, e.g., due to rfkill.
    3656             :          */
    3657             :         EVENT_INTERFACE_ENABLED,
    3658             : 
    3659             :         /**
    3660             :          * EVENT_INTERFACE_DISABLED - Notify that interface was disabled
    3661             :          *
    3662             :          * This event is used to indicate that the interface was disabled,
    3663             :          * e.g., due to rfkill.
    3664             :          */
    3665             :         EVENT_INTERFACE_DISABLED,
    3666             : 
    3667             :         /**
    3668             :          * EVENT_CHANNEL_LIST_CHANGED - Channel list changed
    3669             :          *
    3670             :          * This event is used to indicate that the channel list has changed,
    3671             :          * e.g., because of a regulatory domain change triggered by scan
    3672             :          * results including an AP advertising a country code.
    3673             :          */
    3674             :         EVENT_CHANNEL_LIST_CHANGED,
    3675             : 
    3676             :         /**
    3677             :          * EVENT_INTERFACE_UNAVAILABLE - Notify that interface is unavailable
    3678             :          *
    3679             :          * This event is used to indicate that the driver cannot maintain this
    3680             :          * interface in its operation mode anymore. The most likely use for
    3681             :          * this is to indicate that AP mode operation is not available due to
    3682             :          * operating channel would need to be changed to a DFS channel when
    3683             :          * the driver does not support radar detection and another virtual
    3684             :          * interfaces caused the operating channel to change. Other similar
    3685             :          * resource conflicts could also trigger this for station mode
    3686             :          * interfaces. This event can be propagated when channel switching
    3687             :          * fails.
    3688             :          */
    3689             :         EVENT_INTERFACE_UNAVAILABLE,
    3690             : 
    3691             :         /**
    3692             :          * EVENT_BEST_CHANNEL
    3693             :          *
    3694             :          * Driver generates this event whenever it detects a better channel
    3695             :          * (e.g., based on RSSI or channel use). This information can be used
    3696             :          * to improve channel selection for a new AP/P2P group.
    3697             :          */
    3698             :         EVENT_BEST_CHANNEL,
    3699             : 
    3700             :         /**
    3701             :          * EVENT_UNPROT_DEAUTH - Unprotected Deauthentication frame received
    3702             :          *
    3703             :          * This event should be called when a Deauthentication frame is dropped
    3704             :          * due to it not being protected (MFP/IEEE 802.11w).
    3705             :          * union wpa_event_data::unprot_deauth is required to provide more
    3706             :          * details of the frame.
    3707             :          */
    3708             :         EVENT_UNPROT_DEAUTH,
    3709             : 
    3710             :         /**
    3711             :          * EVENT_UNPROT_DISASSOC - Unprotected Disassociation frame received
    3712             :          *
    3713             :          * This event should be called when a Disassociation frame is dropped
    3714             :          * due to it not being protected (MFP/IEEE 802.11w).
    3715             :          * union wpa_event_data::unprot_disassoc is required to provide more
    3716             :          * details of the frame.
    3717             :          */
    3718             :         EVENT_UNPROT_DISASSOC,
    3719             : 
    3720             :         /**
    3721             :          * EVENT_STATION_LOW_ACK
    3722             :          *
    3723             :          * Driver generates this event whenever it detected that a particular
    3724             :          * station was lost. Detection can be through massive transmission
    3725             :          * failures for example.
    3726             :          */
    3727             :         EVENT_STATION_LOW_ACK,
    3728             : 
    3729             :         /**
    3730             :          * EVENT_IBSS_PEER_LOST - IBSS peer not reachable anymore
    3731             :          */
    3732             :         EVENT_IBSS_PEER_LOST,
    3733             : 
    3734             :         /**
    3735             :          * EVENT_DRIVER_GTK_REKEY - Device/driver did GTK rekey
    3736             :          *
    3737             :          * This event carries the new replay counter to notify wpa_supplicant
    3738             :          * of the current EAPOL-Key Replay Counter in case the driver/firmware
    3739             :          * completed Group Key Handshake while the host (including
    3740             :          * wpa_supplicant was sleeping).
    3741             :          */
    3742             :         EVENT_DRIVER_GTK_REKEY,
    3743             : 
    3744             :         /**
    3745             :          * EVENT_SCHED_SCAN_STOPPED - Scheduled scan was stopped
    3746             :          */
    3747             :         EVENT_SCHED_SCAN_STOPPED,
    3748             : 
    3749             :         /**
    3750             :          * EVENT_DRIVER_CLIENT_POLL_OK - Station responded to poll
    3751             :          *
    3752             :          * This event indicates that the station responded to the poll
    3753             :          * initiated with @poll_client.
    3754             :          */
    3755             :         EVENT_DRIVER_CLIENT_POLL_OK,
    3756             : 
    3757             :         /**
    3758             :          * EVENT_EAPOL_TX_STATUS - notify of EAPOL TX status
    3759             :          */
    3760             :         EVENT_EAPOL_TX_STATUS,
    3761             : 
    3762             :         /**
    3763             :          * EVENT_CH_SWITCH - AP or GO decided to switch channels
    3764             :          *
    3765             :          * Described in wpa_event_data.ch_switch
    3766             :          * */
    3767             :         EVENT_CH_SWITCH,
    3768             : 
    3769             :         /**
    3770             :          * EVENT_WNM - Request WNM operation
    3771             :          *
    3772             :          * This event can be used to request a WNM operation to be performed.
    3773             :          */
    3774             :         EVENT_WNM,
    3775             : 
    3776             :         /**
    3777             :          * EVENT_CONNECT_FAILED_REASON - Connection failure reason in AP mode
    3778             :          *
    3779             :          * This event indicates that the driver reported a connection failure
    3780             :          * with the specified client (for example, max client reached, etc.) in
    3781             :          * AP mode.
    3782             :          */
    3783             :         EVENT_CONNECT_FAILED_REASON,
    3784             : 
    3785             :         /**
    3786             :          * EVENT_DFS_RADAR_DETECTED - Notify of radar detection
    3787             :          *
    3788             :          * A radar has been detected on the supplied frequency, hostapd should
    3789             :          * react accordingly (e.g., change channel).
    3790             :          */
    3791             :         EVENT_DFS_RADAR_DETECTED,
    3792             : 
    3793             :         /**
    3794             :          * EVENT_DFS_CAC_FINISHED - Notify that channel availability check has been completed
    3795             :          *
    3796             :          * After a successful CAC, the channel can be marked clear and used.
    3797             :          */
    3798             :         EVENT_DFS_CAC_FINISHED,
    3799             : 
    3800             :         /**
    3801             :          * EVENT_DFS_CAC_ABORTED - Notify that channel availability check has been aborted
    3802             :          *
    3803             :          * The CAC was not successful, and the channel remains in the previous
    3804             :          * state. This may happen due to a radar beeing detected or other
    3805             :          * external influences.
    3806             :          */
    3807             :         EVENT_DFS_CAC_ABORTED,
    3808             : 
    3809             :         /**
    3810             :          * EVENT_DFS_NOP_FINISHED - Notify that non-occupancy period is over
    3811             :          *
    3812             :          * The channel which was previously unavailable is now available again.
    3813             :          */
    3814             :         EVENT_DFS_NOP_FINISHED,
    3815             : 
    3816             :         /**
    3817             :          * EVENT_SURVEY - Received survey data
    3818             :          *
    3819             :          * This event gets triggered when a driver query is issued for survey
    3820             :          * data and the requested data becomes available. The returned data is
    3821             :          * stored in struct survey_results. The results provide at most one
    3822             :          * survey entry for each frequency and at minimum will provide one
    3823             :          * survey entry for one frequency. The survey data can be os_malloc()'d
    3824             :          * and then os_free()'d, so the event callback must only copy data.
    3825             :          */
    3826             :         EVENT_SURVEY,
    3827             : 
    3828             :         /**
    3829             :          * EVENT_SCAN_STARTED - Scan started
    3830             :          *
    3831             :          * This indicates that driver has started a scan operation either based
    3832             :          * on a request from wpa_supplicant/hostapd or from another application.
    3833             :          * EVENT_SCAN_RESULTS is used to indicate when the scan has been
    3834             :          * completed (either successfully or by getting cancelled).
    3835             :          */
    3836             :         EVENT_SCAN_STARTED,
    3837             : 
    3838             :         /**
    3839             :          * EVENT_AVOID_FREQUENCIES - Received avoid frequency range
    3840             :          *
    3841             :          * This event indicates a set of frequency ranges that should be avoided
    3842             :          * to reduce issues due to interference or internal co-existence
    3843             :          * information in the driver.
    3844             :          */
    3845             :         EVENT_AVOID_FREQUENCIES,
    3846             : 
    3847             :         /**
    3848             :          * EVENT_NEW_PEER_CANDIDATE - new (unknown) mesh peer notification
    3849             :          */
    3850             :         EVENT_NEW_PEER_CANDIDATE,
    3851             : 
    3852             :         /**
    3853             :          * EVENT_ACS_CHANNEL_SELECTED - Received selected channels by ACS
    3854             :          *
    3855             :          * Indicates a pair of primary and secondary channels chosen by ACS
    3856             :          * in device.
    3857             :          */
    3858             :         EVENT_ACS_CHANNEL_SELECTED,
    3859             : 
    3860             :         /**
    3861             :          * EVENT_DFS_CAC_STARTED - Notify that channel availability check has
    3862             :          * been started.
    3863             :          *
    3864             :          * This event indicates that channel availability check has been started
    3865             :          * on a DFS frequency by a driver that supports DFS Offload.
    3866             :          */
    3867             :         EVENT_DFS_CAC_STARTED,
    3868             : };
    3869             : 
    3870             : 
    3871             : /**
    3872             :  * struct freq_survey - Channel survey info
    3873             :  *
    3874             :  * @ifidx: Interface index in which this survey was observed
    3875             :  * @freq: Center of frequency of the surveyed channel
    3876             :  * @nf: Channel noise floor in dBm
    3877             :  * @channel_time: Amount of time in ms the radio spent on the channel
    3878             :  * @channel_time_busy: Amount of time in ms the radio detected some signal
    3879             :  *     that indicated to the radio the channel was not clear
    3880             :  * @channel_time_rx: Amount of time the radio spent receiving data
    3881             :  * @channel_time_tx: Amount of time the radio spent transmitting data
    3882             :  * @filled: bitmask indicating which fields have been reported, see
    3883             :  *     SURVEY_HAS_* defines.
    3884             :  * @list: Internal list pointers
    3885             :  */
    3886             : struct freq_survey {
    3887             :         u32 ifidx;
    3888             :         unsigned int freq;
    3889             :         s8 nf;
    3890             :         u64 channel_time;
    3891             :         u64 channel_time_busy;
    3892             :         u64 channel_time_rx;
    3893             :         u64 channel_time_tx;
    3894             :         unsigned int filled;
    3895             :         struct dl_list list;
    3896             : };
    3897             : 
    3898             : #define SURVEY_HAS_NF BIT(0)
    3899             : #define SURVEY_HAS_CHAN_TIME BIT(1)
    3900             : #define SURVEY_HAS_CHAN_TIME_BUSY BIT(2)
    3901             : #define SURVEY_HAS_CHAN_TIME_RX BIT(3)
    3902             : #define SURVEY_HAS_CHAN_TIME_TX BIT(4)
    3903             : 
    3904             : 
    3905             : /**
    3906             :  * union wpa_event_data - Additional data for wpa_supplicant_event() calls
    3907             :  */
    3908             : union wpa_event_data {
    3909             :         /**
    3910             :          * struct assoc_info - Data for EVENT_ASSOC and EVENT_ASSOCINFO events
    3911             :          *
    3912             :          * This structure is optional for EVENT_ASSOC calls and required for
    3913             :          * EVENT_ASSOCINFO calls. By using EVENT_ASSOC with this data, the
    3914             :          * driver interface does not need to generate separate EVENT_ASSOCINFO
    3915             :          * calls.
    3916             :          */
    3917             :         struct assoc_info {
    3918             :                 /**
    3919             :                  * reassoc - Flag to indicate association or reassociation
    3920             :                  */
    3921             :                 int reassoc;
    3922             : 
    3923             :                 /**
    3924             :                  * req_ies - (Re)Association Request IEs
    3925             :                  *
    3926             :                  * If the driver generates WPA/RSN IE, this event data must be
    3927             :                  * returned for WPA handshake to have needed information. If
    3928             :                  * wpa_supplicant-generated WPA/RSN IE is used, this
    3929             :                  * information event is optional.
    3930             :                  *
    3931             :                  * This should start with the first IE (fixed fields before IEs
    3932             :                  * are not included).
    3933             :                  */
    3934             :                 const u8 *req_ies;
    3935             : 
    3936             :                 /**
    3937             :                  * req_ies_len - Length of req_ies in bytes
    3938             :                  */
    3939             :                 size_t req_ies_len;
    3940             : 
    3941             :                 /**
    3942             :                  * resp_ies - (Re)Association Response IEs
    3943             :                  *
    3944             :                  * Optional association data from the driver. This data is not
    3945             :                  * required WPA, but may be useful for some protocols and as
    3946             :                  * such, should be reported if this is available to the driver
    3947             :                  * interface.
    3948             :                  *
    3949             :                  * This should start with the first IE (fixed fields before IEs
    3950             :                  * are not included).
    3951             :                  */
    3952             :                 const u8 *resp_ies;
    3953             : 
    3954             :                 /**
    3955             :                  * resp_ies_len - Length of resp_ies in bytes
    3956             :                  */
    3957             :                 size_t resp_ies_len;
    3958             : 
    3959             :                 /**
    3960             :                  * beacon_ies - Beacon or Probe Response IEs
    3961             :                  *
    3962             :                  * Optional Beacon/ProbeResp data: IEs included in Beacon or
    3963             :                  * Probe Response frames from the current AP (i.e., the one
    3964             :                  * that the client just associated with). This information is
    3965             :                  * used to update WPA/RSN IE for the AP. If this field is not
    3966             :                  * set, the results from previous scan will be used. If no
    3967             :                  * data for the new AP is found, scan results will be requested
    3968             :                  * again (without scan request). At this point, the driver is
    3969             :                  * expected to provide WPA/RSN IE for the AP (if WPA/WPA2 is
    3970             :                  * used).
    3971             :                  *
    3972             :                  * This should start with the first IE (fixed fields before IEs
    3973             :                  * are not included).
    3974             :                  */
    3975             :                 const u8 *beacon_ies;
    3976             : 
    3977             :                 /**
    3978             :                  * beacon_ies_len - Length of beacon_ies */
    3979             :                 size_t beacon_ies_len;
    3980             : 
    3981             :                 /**
    3982             :                  * freq - Frequency of the operational channel in MHz
    3983             :                  */
    3984             :                 unsigned int freq;
    3985             : 
    3986             :                 /**
    3987             :                  * wmm_params - WMM parameters used in this association.
    3988             :                  */
    3989             :                 struct wmm_params wmm_params;
    3990             : 
    3991             :                 /**
    3992             :                  * addr - Station address (for AP mode)
    3993             :                  */
    3994             :                 const u8 *addr;
    3995             : 
    3996             :                 /**
    3997             :                  * The following is the key management offload information
    3998             :                  * @authorized
    3999             :                  * @key_replay_ctr
    4000             :                  * @key_replay_ctr_len
    4001             :                  * @ptk_kck
    4002             :                  * @ptk_kek_len
    4003             :                  * @ptk_kek
    4004             :                  * @ptk_kek_len
    4005             :                  */
    4006             : 
    4007             :                 /**
    4008             :                  * authorized - Status of key management offload,
    4009             :                  * 1 = successful
    4010             :                  */
    4011             :                 int authorized;
    4012             : 
    4013             :                 /**
    4014             :                  * key_replay_ctr - Key replay counter value last used
    4015             :                  * in a valid EAPOL-Key frame
    4016             :                  */
    4017             :                 const u8 *key_replay_ctr;
    4018             : 
    4019             :                 /**
    4020             :                  * key_replay_ctr_len - The length of key_replay_ctr
    4021             :                  */
    4022             :                 size_t key_replay_ctr_len;
    4023             : 
    4024             :                 /**
    4025             :                  * ptk_kck - The derived PTK KCK
    4026             :                  */
    4027             :                 const u8 *ptk_kck;
    4028             : 
    4029             :                 /**
    4030             :                  * ptk_kek_len - The length of ptk_kck
    4031             :                  */
    4032             :                 size_t ptk_kck_len;
    4033             : 
    4034             :                 /**
    4035             :                  * ptk_kek - The derived PTK KEK
    4036             :                  */
    4037             :                 const u8 *ptk_kek;
    4038             : 
    4039             :                 /**
    4040             :                  * ptk_kek_len - The length of ptk_kek
    4041             :                  */
    4042             :                 size_t ptk_kek_len;
    4043             :         } assoc_info;
    4044             : 
    4045             :         /**
    4046             :          * struct disassoc_info - Data for EVENT_DISASSOC events
    4047             :          */
    4048             :         struct disassoc_info {
    4049             :                 /**
    4050             :                  * addr - Station address (for AP mode)
    4051             :                  */
    4052             :                 const u8 *addr;
    4053             : 
    4054             :                 /**
    4055             :                  * reason_code - Reason Code (host byte order) used in
    4056             :                  *      Deauthentication frame
    4057             :                  */
    4058             :                 u16 reason_code;
    4059             : 
    4060             :                 /**
    4061             :                  * ie - Optional IE(s) in Disassociation frame
    4062             :                  */
    4063             :                 const u8 *ie;
    4064             : 
    4065             :                 /**
    4066             :                  * ie_len - Length of ie buffer in octets
    4067             :                  */
    4068             :                 size_t ie_len;
    4069             : 
    4070             :                 /**
    4071             :                  * locally_generated - Whether the frame was locally generated
    4072             :                  */
    4073             :                 int locally_generated;
    4074             :         } disassoc_info;
    4075             : 
    4076             :         /**
    4077             :          * struct deauth_info - Data for EVENT_DEAUTH events
    4078             :          */
    4079             :         struct deauth_info {
    4080             :                 /**
    4081             :                  * addr - Station address (for AP mode)
    4082             :                  */
    4083             :                 const u8 *addr;
    4084             : 
    4085             :                 /**
    4086             :                  * reason_code - Reason Code (host byte order) used in
    4087             :                  *      Deauthentication frame
    4088             :                  */
    4089             :                 u16 reason_code;
    4090             : 
    4091             :                 /**
    4092             :                  * ie - Optional IE(s) in Deauthentication frame
    4093             :                  */
    4094             :                 const u8 *ie;
    4095             : 
    4096             :                 /**
    4097             :                  * ie_len - Length of ie buffer in octets
    4098             :                  */
    4099             :                 size_t ie_len;
    4100             : 
    4101             :                 /**
    4102             :                  * locally_generated - Whether the frame was locally generated
    4103             :                  */
    4104             :                 int locally_generated;
    4105             :         } deauth_info;
    4106             : 
    4107             :         /**
    4108             :          * struct michael_mic_failure - Data for EVENT_MICHAEL_MIC_FAILURE
    4109             :          */
    4110             :         struct michael_mic_failure {
    4111             :                 int unicast;
    4112             :                 const u8 *src;
    4113             :         } michael_mic_failure;
    4114             : 
    4115             :         /**
    4116             :          * struct interface_status - Data for EVENT_INTERFACE_STATUS
    4117             :          */
    4118             :         struct interface_status {
    4119             :                 char ifname[100];
    4120             :                 enum {
    4121             :                         EVENT_INTERFACE_ADDED, EVENT_INTERFACE_REMOVED
    4122             :                 } ievent;
    4123             :         } interface_status;
    4124             : 
    4125             :         /**
    4126             :          * struct pmkid_candidate - Data for EVENT_PMKID_CANDIDATE
    4127             :          */
    4128             :         struct pmkid_candidate {
    4129             :                 /** BSSID of the PMKID candidate */
    4130             :                 u8 bssid[ETH_ALEN];
    4131             :                 /** Smaller the index, higher the priority */
    4132             :                 int index;
    4133             :                 /** Whether RSN IE includes pre-authenticate flag */
    4134             :                 int preauth;
    4135             :         } pmkid_candidate;
    4136             : 
    4137             :         /**
    4138             :          * struct stkstart - Data for EVENT_STKSTART
    4139             :          */
    4140             :         struct stkstart {
    4141             :                 u8 peer[ETH_ALEN];
    4142             :         } stkstart;
    4143             : 
    4144             :         /**
    4145             :          * struct tdls - Data for EVENT_TDLS
    4146             :          */
    4147             :         struct tdls {
    4148             :                 u8 peer[ETH_ALEN];
    4149             :                 enum {
    4150             :                         TDLS_REQUEST_SETUP,
    4151             :                         TDLS_REQUEST_TEARDOWN,
    4152             :                         TDLS_REQUEST_DISCOVER,
    4153             :                 } oper;
    4154             :                 u16 reason_code; /* for teardown */
    4155             :         } tdls;
    4156             : 
    4157             :         /**
    4158             :          * struct wnm - Data for EVENT_WNM
    4159             :          */
    4160             :         struct wnm {
    4161             :                 u8 addr[ETH_ALEN];
    4162             :                 enum {
    4163             :                         WNM_OPER_SLEEP,
    4164             :                 } oper;
    4165             :                 enum {
    4166             :                         WNM_SLEEP_ENTER,
    4167             :                         WNM_SLEEP_EXIT
    4168             :                 } sleep_action;
    4169             :                 int sleep_intval;
    4170             :                 u16 reason_code;
    4171             :                 u8 *buf;
    4172             :                 u16 buf_len;
    4173             :         } wnm;
    4174             : 
    4175             :         /**
    4176             :          * struct ft_ies - FT information elements (EVENT_FT_RESPONSE)
    4177             :          *
    4178             :          * During FT (IEEE 802.11r) authentication sequence, the driver is
    4179             :          * expected to use this event to report received FT IEs (MDIE, FTIE,
    4180             :          * RSN IE, TIE, possible resource request) to the supplicant. The FT
    4181             :          * IEs for the next message will be delivered through the
    4182             :          * struct wpa_driver_ops::update_ft_ies() callback.
    4183             :          */
    4184             :         struct ft_ies {
    4185             :                 const u8 *ies;
    4186             :                 size_t ies_len;
    4187             :                 int ft_action;
    4188             :                 u8 target_ap[ETH_ALEN];
    4189             :                 /** Optional IE(s), e.g., WMM TSPEC(s), for RIC-Request */
    4190             :                 const u8 *ric_ies;
    4191             :                 /** Length of ric_ies buffer in octets */
    4192             :                 size_t ric_ies_len;
    4193             :         } ft_ies;
    4194             : 
    4195             :         /**
    4196             :          * struct ibss_rsn_start - Data for EVENT_IBSS_RSN_START
    4197             :          */
    4198             :         struct ibss_rsn_start {
    4199             :                 u8 peer[ETH_ALEN];
    4200             :         } ibss_rsn_start;
    4201             : 
    4202             :         /**
    4203             :          * struct auth_info - Data for EVENT_AUTH events
    4204             :          */
    4205             :         struct auth_info {
    4206             :                 u8 peer[ETH_ALEN];
    4207             :                 u8 bssid[ETH_ALEN];
    4208             :                 u16 auth_type;
    4209             :                 u16 auth_transaction;
    4210             :                 u16 status_code;
    4211             :                 const u8 *ies;
    4212             :                 size_t ies_len;
    4213             :         } auth;
    4214             : 
    4215             :         /**
    4216             :          * struct assoc_reject - Data for EVENT_ASSOC_REJECT events
    4217             :          */
    4218             :         struct assoc_reject {
    4219             :                 /**
    4220             :                  * bssid - BSSID of the AP that rejected association
    4221             :                  */
    4222             :                 const u8 *bssid;
    4223             : 
    4224             :                 /**
    4225             :                  * resp_ies - (Re)Association Response IEs
    4226             :                  *
    4227             :                  * Optional association data from the driver. This data is not
    4228             :                  * required WPA, but may be useful for some protocols and as
    4229             :                  * such, should be reported if this is available to the driver
    4230             :                  * interface.
    4231             :                  *
    4232             :                  * This should start with the first IE (fixed fields before IEs
    4233             :                  * are not included).
    4234             :                  */
    4235             :                 const u8 *resp_ies;
    4236             : 
    4237             :                 /**
    4238             :                  * resp_ies_len - Length of resp_ies in bytes
    4239             :                  */
    4240             :                 size_t resp_ies_len;
    4241             : 
    4242             :                 /**
    4243             :                  * status_code - Status Code from (Re)association Response
    4244             :                  */
    4245             :                 u16 status_code;
    4246             :         } assoc_reject;
    4247             : 
    4248             :         struct timeout_event {
    4249             :                 u8 addr[ETH_ALEN];
    4250             :         } timeout_event;
    4251             : 
    4252             :         /**
    4253             :          * struct tx_status - Data for EVENT_TX_STATUS events
    4254             :          */
    4255             :         struct tx_status {
    4256             :                 u16 type;
    4257             :                 u16 stype;
    4258             :                 const u8 *dst;
    4259             :                 const u8 *data;
    4260             :                 size_t data_len;
    4261             :                 int ack;
    4262             :         } tx_status;
    4263             : 
    4264             :         /**
    4265             :          * struct rx_from_unknown - Data for EVENT_RX_FROM_UNKNOWN events
    4266             :          */
    4267             :         struct rx_from_unknown {
    4268             :                 const u8 *bssid;
    4269             :                 const u8 *addr;
    4270             :                 int wds;
    4271             :         } rx_from_unknown;
    4272             : 
    4273             :         /**
    4274             :          * struct rx_mgmt - Data for EVENT_RX_MGMT events
    4275             :          */
    4276             :         struct rx_mgmt {
    4277             :                 const u8 *frame;
    4278             :                 size_t frame_len;
    4279             :                 u32 datarate;
    4280             : 
    4281             :                 /**
    4282             :                  * drv_priv - Pointer to store driver private BSS information
    4283             :                  *
    4284             :                  * If not set to NULL, this is used for comparison with
    4285             :                  * hostapd_data->drv_priv to determine which BSS should process
    4286             :                  * the frame.
    4287             :                  */
    4288             :                 void *drv_priv;
    4289             : 
    4290             :                 /**
    4291             :                  * freq - Frequency (in MHz) on which the frame was received
    4292             :                  */
    4293             :                 int freq;
    4294             : 
    4295             :                 /**
    4296             :                  * ssi_signal - Signal strength in dBm (or 0 if not available)
    4297             :                  */
    4298             :                 int ssi_signal;
    4299             :         } rx_mgmt;
    4300             : 
    4301             :         /**
    4302             :          * struct remain_on_channel - Data for EVENT_REMAIN_ON_CHANNEL events
    4303             :          *
    4304             :          * This is also used with EVENT_CANCEL_REMAIN_ON_CHANNEL events.
    4305             :          */
    4306             :         struct remain_on_channel {
    4307             :                 /**
    4308             :                  * freq - Channel frequency in MHz
    4309             :                  */
    4310             :                 unsigned int freq;
    4311             : 
    4312             :                 /**
    4313             :                  * duration - Duration to remain on the channel in milliseconds
    4314             :                  */
    4315             :                 unsigned int duration;
    4316             :         } remain_on_channel;
    4317             : 
    4318             :         /**
    4319             :          * struct scan_info - Optional data for EVENT_SCAN_RESULTS events
    4320             :          * @aborted: Whether the scan was aborted
    4321             :          * @freqs: Scanned frequencies in MHz (%NULL = all channels scanned)
    4322             :          * @num_freqs: Number of entries in freqs array
    4323             :          * @ssids: Scanned SSIDs (%NULL or zero-length SSID indicates wildcard
    4324             :          *      SSID)
    4325             :          * @num_ssids: Number of entries in ssids array
    4326             :          */
    4327             :         struct scan_info {
    4328             :                 int aborted;
    4329             :                 const int *freqs;
    4330             :                 size_t num_freqs;
    4331             :                 struct wpa_driver_scan_ssid ssids[WPAS_MAX_SCAN_SSIDS];
    4332             :                 size_t num_ssids;
    4333             :         } scan_info;
    4334             : 
    4335             :         /**
    4336             :          * struct rx_probe_req - Data for EVENT_RX_PROBE_REQ events
    4337             :          */
    4338             :         struct rx_probe_req {
    4339             :                 /**
    4340             :                  * sa - Source address of the received Probe Request frame
    4341             :                  */
    4342             :                 const u8 *sa;
    4343             : 
    4344             :                 /**
    4345             :                  * da - Destination address of the received Probe Request frame
    4346             :                  *      or %NULL if not available
    4347             :                  */
    4348             :                 const u8 *da;
    4349             : 
    4350             :                 /**
    4351             :                  * bssid - BSSID of the received Probe Request frame or %NULL
    4352             :                  *      if not available
    4353             :                  */
    4354             :                 const u8 *bssid;
    4355             : 
    4356             :                 /**
    4357             :                  * ie - IEs from the Probe Request body
    4358             :                  */
    4359             :                 const u8 *ie;
    4360             : 
    4361             :                 /**
    4362             :                  * ie_len - Length of ie buffer in octets
    4363             :                  */
    4364             :                 size_t ie_len;
    4365             : 
    4366             :                 /**
    4367             :                  * signal - signal strength in dBm (or 0 if not available)
    4368             :                  */
    4369             :                 int ssi_signal;
    4370             :         } rx_probe_req;
    4371             : 
    4372             :         /**
    4373             :          * struct new_sta - Data for EVENT_NEW_STA events
    4374             :          */
    4375             :         struct new_sta {
    4376             :                 const u8 *addr;
    4377             :         } new_sta;
    4378             : 
    4379             :         /**
    4380             :          * struct eapol_rx - Data for EVENT_EAPOL_RX events
    4381             :          */
    4382             :         struct eapol_rx {
    4383             :                 const u8 *src;
    4384             :                 const u8 *data;
    4385             :                 size_t data_len;
    4386             :         } eapol_rx;
    4387             : 
    4388             :         /**
    4389             :          * signal_change - Data for EVENT_SIGNAL_CHANGE events
    4390             :          */
    4391             :         struct wpa_signal_info signal_change;
    4392             : 
    4393             :         /**
    4394             :          * struct best_channel - Data for EVENT_BEST_CHANNEL events
    4395             :          * @freq_24: Best 2.4 GHz band channel frequency in MHz
    4396             :          * @freq_5: Best 5 GHz band channel frequency in MHz
    4397             :          * @freq_overall: Best channel frequency in MHz
    4398             :          *
    4399             :          * 0 can be used to indicate no preference in either band.
    4400             :          */
    4401             :         struct best_channel {
    4402             :                 int freq_24;
    4403             :                 int freq_5;
    4404             :                 int freq_overall;
    4405             :         } best_chan;
    4406             : 
    4407             :         struct unprot_deauth {
    4408             :                 const u8 *sa;
    4409             :                 const u8 *da;
    4410             :                 u16 reason_code;
    4411             :         } unprot_deauth;
    4412             : 
    4413             :         struct unprot_disassoc {
    4414             :                 const u8 *sa;
    4415             :                 const u8 *da;
    4416             :                 u16 reason_code;
    4417             :         } unprot_disassoc;
    4418             : 
    4419             :         /**
    4420             :          * struct low_ack - Data for EVENT_STATION_LOW_ACK events
    4421             :          * @addr: station address
    4422             :          */
    4423             :         struct low_ack {
    4424             :                 u8 addr[ETH_ALEN];
    4425             :         } low_ack;
    4426             : 
    4427             :         /**
    4428             :          * struct ibss_peer_lost - Data for EVENT_IBSS_PEER_LOST
    4429             :          */
    4430             :         struct ibss_peer_lost {
    4431             :                 u8 peer[ETH_ALEN];
    4432             :         } ibss_peer_lost;
    4433             : 
    4434             :         /**
    4435             :          * struct driver_gtk_rekey - Data for EVENT_DRIVER_GTK_REKEY
    4436             :          */
    4437             :         struct driver_gtk_rekey {
    4438             :                 const u8 *bssid;
    4439             :                 const u8 *replay_ctr;
    4440             :         } driver_gtk_rekey;
    4441             : 
    4442             :         /**
    4443             :          * struct client_poll - Data for EVENT_DRIVER_CLIENT_POLL_OK events
    4444             :          * @addr: station address
    4445             :          */
    4446             :         struct client_poll {
    4447             :                 u8 addr[ETH_ALEN];
    4448             :         } client_poll;
    4449             : 
    4450             :         /**
    4451             :          * struct eapol_tx_status
    4452             :          * @dst: Original destination
    4453             :          * @data: Data starting with IEEE 802.1X header (!)
    4454             :          * @data_len: Length of data
    4455             :          * @ack: Indicates ack or lost frame
    4456             :          *
    4457             :          * This corresponds to hapd_send_eapol if the frame sent
    4458             :          * there isn't just reported as EVENT_TX_STATUS.
    4459             :          */
    4460             :         struct eapol_tx_status {
    4461             :                 const u8 *dst;
    4462             :                 const u8 *data;
    4463             :                 int data_len;
    4464             :                 int ack;
    4465             :         } eapol_tx_status;
    4466             : 
    4467             :         /**
    4468             :          * struct ch_switch
    4469             :          * @freq: Frequency of new channel in MHz
    4470             :          * @ht_enabled: Whether this is an HT channel
    4471             :          * @ch_offset: Secondary channel offset
    4472             :          * @ch_width: Channel width
    4473             :          * @cf1: Center frequency 1
    4474             :          * @cf2: Center frequency 2
    4475             :          */
    4476             :         struct ch_switch {
    4477             :                 int freq;
    4478             :                 int ht_enabled;
    4479             :                 int ch_offset;
    4480             :                 enum chan_width ch_width;
    4481             :                 int cf1;
    4482             :                 int cf2;
    4483             :         } ch_switch;
    4484             : 
    4485             :         /**
    4486             :          * struct connect_failed - Data for EVENT_CONNECT_FAILED_REASON
    4487             :          * @addr: Remote client address
    4488             :          * @code: Reason code for connection failure
    4489             :          */
    4490             :         struct connect_failed_reason {
    4491             :                 u8 addr[ETH_ALEN];
    4492             :                 enum {
    4493             :                         MAX_CLIENT_REACHED,
    4494             :                         BLOCKED_CLIENT
    4495             :                 } code;
    4496             :         } connect_failed_reason;
    4497             : 
    4498             :         /**
    4499             :          * struct dfs_event - Data for radar detected events
    4500             :          * @freq: Frequency of the channel in MHz
    4501             :          */
    4502             :         struct dfs_event {
    4503             :                 int freq;
    4504             :                 int ht_enabled;
    4505             :                 int chan_offset;
    4506             :                 enum chan_width chan_width;
    4507             :                 int cf1;
    4508             :                 int cf2;
    4509             :         } dfs_event;
    4510             : 
    4511             :         /**
    4512             :          * survey_results - Survey result data for EVENT_SURVEY
    4513             :          * @freq_filter: Requested frequency survey filter, 0 if request
    4514             :          *      was for all survey data
    4515             :          * @survey_list: Linked list of survey data (struct freq_survey)
    4516             :          */
    4517             :         struct survey_results {
    4518             :                 unsigned int freq_filter;
    4519             :                 struct dl_list survey_list; /* struct freq_survey */
    4520             :         } survey_results;
    4521             : 
    4522             :         /**
    4523             :          * channel_list_changed - Data for EVENT_CHANNEL_LIST_CHANGED
    4524             :          * @initiator: Initiator of the regulatory change
    4525             :          * @type: Regulatory change type
    4526             :          * @alpha2: Country code (or "" if not available)
    4527             :          */
    4528             :         struct channel_list_changed {
    4529             :                 enum reg_change_initiator initiator;
    4530             :                 enum reg_type type;
    4531             :                 char alpha2[3];
    4532             :         } channel_list_changed;
    4533             : 
    4534             :         /**
    4535             :          * freq_range - List of frequency ranges
    4536             :          *
    4537             :          * This is used as the data with EVENT_AVOID_FREQUENCIES.
    4538             :          */
    4539             :         struct wpa_freq_range_list freq_range;
    4540             : 
    4541             :         /**
    4542             :          * struct mesh_peer
    4543             :          *
    4544             :          * @peer: Peer address
    4545             :          * @ies: Beacon IEs
    4546             :          * @ie_len: Length of @ies
    4547             :          *
    4548             :          * Notification of new candidate mesh peer.
    4549             :          */
    4550             :         struct mesh_peer {
    4551             :                 const u8 *peer;
    4552             :                 const u8 *ies;
    4553             :                 size_t ie_len;
    4554             :         } mesh_peer;
    4555             : 
    4556             :         /**
    4557             :          * struct acs_selected_channels - Data for EVENT_ACS_CHANNEL_SELECTED
    4558             :          * @pri_channel: Selected primary channel
    4559             :          * @sec_channel: Selected secondary channel
    4560             :          */
    4561             :         struct acs_selected_channels {
    4562             :                 u8 pri_channel;
    4563             :                 u8 sec_channel;
    4564             :         } acs_selected_channels;
    4565             : };
    4566             : 
    4567             : /**
    4568             :  * wpa_supplicant_event - Report a driver event for wpa_supplicant
    4569             :  * @ctx: Context pointer (wpa_s); this is the ctx variable registered
    4570             :  *      with struct wpa_driver_ops::init()
    4571             :  * @event: event type (defined above)
    4572             :  * @data: possible extra data for the event
    4573             :  *
    4574             :  * Driver wrapper code should call this function whenever an event is received
    4575             :  * from the driver.
    4576             :  */
    4577             : void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
    4578             :                           union wpa_event_data *data);
    4579             : 
    4580             : 
    4581             : /*
    4582             :  * The following inline functions are provided for convenience to simplify
    4583             :  * event indication for some of the common events.
    4584             :  */
    4585             : 
    4586           0 : static inline void drv_event_assoc(void *ctx, const u8 *addr, const u8 *ie,
    4587             :                                    size_t ielen, int reassoc)
    4588             : {
    4589             :         union wpa_event_data event;
    4590           0 :         os_memset(&event, 0, sizeof(event));
    4591           0 :         event.assoc_info.reassoc = reassoc;
    4592           0 :         event.assoc_info.req_ies = ie;
    4593           0 :         event.assoc_info.req_ies_len = ielen;
    4594           0 :         event.assoc_info.addr = addr;
    4595           0 :         wpa_supplicant_event(ctx, EVENT_ASSOC, &event);
    4596           0 : }
    4597             : 
    4598           0 : static inline void drv_event_disassoc(void *ctx, const u8 *addr)
    4599             : {
    4600             :         union wpa_event_data event;
    4601           0 :         os_memset(&event, 0, sizeof(event));
    4602           0 :         event.disassoc_info.addr = addr;
    4603           0 :         wpa_supplicant_event(ctx, EVENT_DISASSOC, &event);
    4604           0 : }
    4605             : 
    4606        6775 : static inline void drv_event_eapol_rx(void *ctx, const u8 *src, const u8 *data,
    4607             :                                       size_t data_len)
    4608             : {
    4609             :         union wpa_event_data event;
    4610        6775 :         os_memset(&event, 0, sizeof(event));
    4611        6775 :         event.eapol_rx.src = src;
    4612        6775 :         event.eapol_rx.data = data;
    4613        6775 :         event.eapol_rx.data_len = data_len;
    4614        6775 :         wpa_supplicant_event(ctx, EVENT_EAPOL_RX, &event);
    4615        6775 : }
    4616             : 
    4617             : /* driver_common.c */
    4618             : void wpa_scan_results_free(struct wpa_scan_results *res);
    4619             : 
    4620             : /* Convert wpa_event_type to a string for logging */
    4621             : const char * event_to_string(enum wpa_event_type event);
    4622             : 
    4623             : /* Convert chan_width to a string for logging and control interfaces */
    4624             : const char * channel_width_to_string(enum chan_width width);
    4625             : 
    4626             : int ht_supported(const struct hostapd_hw_modes *mode);
    4627             : int vht_supported(const struct hostapd_hw_modes *mode);
    4628             : 
    4629             : struct wowlan_triggers *
    4630             : wpa_get_wowlan_triggers(const char *wowlan_triggers,
    4631             :                         const struct wpa_driver_capa *capa);
    4632             : 
    4633             : /* NULL terminated array of linked in driver wrappers */
    4634             : extern struct wpa_driver_ops *wpa_drivers[];
    4635             : 
    4636             : #endif /* DRIVER_H */

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