2 * WPA Supplicant - driver interface definition
3 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
18 #define WPA_SUPPLICANT_DRIVER_VERSION 3
22 #define AUTH_ALG_OPEN_SYSTEM 0x01
23 #define AUTH_ALG_SHARED_KEY 0x02
24 #define AUTH_ALG_LEAP 0x04
25 #define AUTH_ALG_FT 0x08
27 #define IEEE80211_MODE_INFRA 0
28 #define IEEE80211_MODE_IBSS 1
30 #define IEEE80211_CAP_ESS 0x0001
31 #define IEEE80211_CAP_IBSS 0x0002
32 #define IEEE80211_CAP_PRIVACY 0x0010
34 #define SSID_MAX_WPA_IE_LEN 40
36 * struct wpa_scan_result - Scan results (old structure)
39 * @ssid_len: length of the ssid
41 * @wpa_ie_len: length of the wpa_ie
43 * @rsn_ie_len: length of the RSN IE
44 * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
45 * @caps: capability information field in host byte order
46 * @qual: signal quality
48 * @level: signal level
49 * @maxrate: maximum supported rate
50 * @mdie_present: Whether MDIE was included in Beacon/ProbeRsp frame
51 * @mdie: Mobility domain identifier IE (IEEE 802.11r MDIE) (starting from
55 * This structure is used as a generic format for scan results from the
56 * driver. Each driver interface implementation is responsible for converting
57 * the driver or OS specific scan results into this format.
59 * This structure is the old data structure used for scan results. It is
60 * obsoleted by the new struct wpa_scan_res structure and the old version is
61 * only included for backwards compatibility with existing driver wrapper
62 * implementations. New implementations are encouraged to implement for struct
63 * wpa_scan_res. The old structure will be removed at some point.
65 struct wpa_scan_result
{
69 u8 wpa_ie
[SSID_MAX_WPA_IE_LEN
];
71 u8 rsn_ie
[SSID_MAX_WPA_IE_LEN
];
85 #define WPA_SCAN_QUAL_INVALID BIT(0)
86 #define WPA_SCAN_NOISE_INVALID BIT(1)
87 #define WPA_SCAN_LEVEL_INVALID BIT(2)
88 #define WPA_SCAN_LEVEL_DBM BIT(3)
91 * struct wpa_scan_res - Scan result for an BSS/IBSS
92 * @flags: information flags about the BSS/IBSS (WPA_SCAN_*)
94 * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
95 * @beacon_int: beacon interval in TUs (host byte order)
96 * @caps: capability information field in host byte order
97 * @qual: signal quality
99 * @level: signal level
101 * @ie_len: length of the following IE field in octets
103 * This structure is used as a generic format for scan results from the
104 * driver. Each driver interface implementation is responsible for converting
105 * the driver or OS specific scan results into this format.
107 * If the driver does not support reporting all IEs, the IE data structure is
108 * constructed of the IEs that are available. This field will also need to
109 * include SSID in IE format. All drivers are encouraged to be extended to
110 * report all IEs to make it easier to support future additions.
112 struct wpa_scan_res
{
123 /* followed by ie_len octets of IEs */
127 * struct wpa_scan_results - Scan results
128 * @res: Array of pointers to allocated variable length scan result entries
129 * @num: Number of entries in the scan result array
131 struct wpa_scan_results
{
132 struct wpa_scan_res
**res
;
137 * struct wpa_interface_info - Network interface information
138 * @next: Pointer to the next interface or NULL if this is the last one
139 * @ifname: Interface name that can be used with init() or init2()
140 * @desc: Human readable adapter description (e.g., vendor/model) or NULL if
142 * @drv_bame: struct wpa_driver_ops::name (note: unlike other strings, this one
143 * is not an allocated copy, i.e., get_interfaces() caller will not free
146 struct wpa_interface_info
{
147 struct wpa_interface_info
*next
;
150 const char *drv_name
;
153 #define WPAS_MAX_SCAN_SSIDS 4
156 * struct wpa_driver_scan_params - Scan parameters
157 * Data for struct wpa_driver_ops::scan2().
159 struct wpa_driver_scan_params
{
161 * ssids - SSIDs to scan for
163 struct wpa_driver_scan_ssid
{
165 * ssid - specific SSID to scan for (ProbeReq)
166 * %NULL or zero-length SSID is used to indicate active scan
167 * with wildcard SSID.
171 * ssid_len: Length of the SSID in octets
174 } ssids
[WPAS_MAX_SCAN_SSIDS
];
177 * num_ssids - Number of entries in ssids array
178 * Zero indicates a request for a passive scan.
183 * extra_ies - Extra IE(s) to add into Probe Request or %NULL
188 * extra_ies_len - Length of extra_ies in octets
190 size_t extra_ies_len
;
193 * freqs - Array of frequencies to scan or %NULL for all frequencies
195 * The frequency is set in MHz. The array is zero-terminated.
201 * struct wpa_driver_auth_params - Authentication parameters
202 * Data for struct wpa_driver_ops::authenticate().
204 struct wpa_driver_auth_params
{
215 * struct wpa_driver_associate_params - Association parameters
216 * Data for struct wpa_driver_ops::associate().
218 struct wpa_driver_associate_params
{
220 * bssid - BSSID of the selected AP
221 * This can be %NULL, if ap_scan=2 mode is used and the driver is
222 * responsible for selecting with which BSS to associate. */
226 * ssid - The selected SSID
232 * freq - Frequency of the channel the selected AP is using
233 * Frequency that the selected AP is using (in MHz as
234 * reported in the scan results)
239 * wpa_ie - WPA information element for (Re)Association Request
240 * WPA information element to be included in (Re)Association
241 * Request (including information element id and length). Use
242 * of this WPA IE is optional. If the driver generates the WPA
243 * IE, it can use pairwise_suite, group_suite, and
244 * key_mgmt_suite to select proper algorithms. In this case,
245 * the driver has to notify wpa_supplicant about the used WPA
246 * IE by generating an event that the interface code will
247 * convert into EVENT_ASSOCINFO data (see below).
249 * When using WPA2/IEEE 802.11i, wpa_ie is used for RSN IE
250 * instead. The driver can determine which version is used by
251 * looking at the first byte of the IE (0xdd for WPA, 0x30 for
254 * When using WPS, wpa_ie is used for WPS IE instead of WPA/RSN IE.
258 * wpa_ie_len - length of the wpa_ie
262 /* The selected pairwise/group cipher and key management
263 * suites. These are usually ignored if @wpa_ie is used. */
264 wpa_cipher pairwise_suite
;
265 wpa_cipher group_suite
;
266 wpa_key_mgmt key_mgmt_suite
;
269 * auth_alg - Allowed authentication algorithms
270 * Bit field of AUTH_ALG_*
275 * mode - Operation mode (infra/ibss) IEEE80211_MODE_*
280 * wep_key - WEP keys for static WEP configuration
282 const u8
*wep_key
[4];
285 * wep_key_len - WEP key length for static WEP configuration
287 size_t wep_key_len
[4];
290 * wep_tx_keyidx - WEP TX key index for static WEP configuration
295 * mgmt_frame_protection - IEEE 802.11w management frame protection
298 NO_MGMT_FRAME_PROTECTION
,
299 MGMT_FRAME_PROTECTION_OPTIONAL
,
300 MGMT_FRAME_PROTECTION_REQUIRED
301 } mgmt_frame_protection
;
304 * ft_ies - IEEE 802.11r / FT information elements
305 * If the supplicant is using IEEE 802.11r (FT) and has the needed keys
306 * for fast transition, this parameter is set to include the IEs that
307 * are to be sent in the next FT Authentication Request message.
308 * update_ft_ies() handler is called to update the IEs for further
309 * FT messages in the sequence.
311 * The driver should use these IEs only if the target AP is advertising
312 * the same mobility domain as the one included in the MDIE here.
314 * In ap_scan=2 mode, the driver can use these IEs when moving to a new
315 * AP after the initial association. These IEs can only be used if the
316 * target AP is advertising support for FT and is using the same MDIE
317 * and SSID as the current AP.
319 * The driver is responsible for reporting the FT IEs received from the
320 * AP's response using wpa_supplicant_event() with EVENT_FT_RESPONSE
321 * type. update_ft_ies() handler will then be called with the FT IEs to
322 * include in the next frame in the authentication sequence.
327 * ft_ies_len - Length of ft_ies in bytes
332 * ft_md - FT Mobility domain (6 octets) (also included inside ft_ies)
334 * This value is provided to allow the driver interface easier access
335 * to the current mobility domain. This value is set to %NULL if no
336 * mobility domain is currently active.
341 * passphrase - RSN passphrase for PSK
343 * This value is made available only for WPA/WPA2-Personal (PSK) and
344 * only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is
345 * the 8..63 character ASCII passphrase, if available. Please note that
346 * this can be %NULL if passphrase was not used to generate the PSK. In
347 * that case, the psk field must be used to fetch the PSK.
349 const char *passphrase
;
352 * psk - RSN PSK (alternative for passphrase for PSK)
354 * This value is made available only for WPA/WPA2-Personal (PSK) and
355 * only for drivers that set WPA_DRIVER_FLAGS_4WAY_HANDSHAKE. This is
356 * the 32-octet (256-bit) PSK, if available. The driver wrapper should
357 * be prepared to handle %NULL value as an error.
362 * drop_unencrypted - Enable/disable unencrypted frame filtering
364 * Configure the driver to drop all non-EAPOL frames (both receive and
365 * transmit paths). Unencrypted EAPOL frames (ethertype 0x888e) must
366 * still be allowed for key negotiation.
368 int drop_unencrypted
;
372 * struct wpa_driver_capa - Driver capability information
374 struct wpa_driver_capa
{
375 #define WPA_DRIVER_CAPA_KEY_MGMT_WPA 0x00000001
376 #define WPA_DRIVER_CAPA_KEY_MGMT_WPA2 0x00000002
377 #define WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK 0x00000004
378 #define WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK 0x00000008
379 #define WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE 0x00000010
380 #define WPA_DRIVER_CAPA_KEY_MGMT_FT 0x00000020
381 #define WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK 0x00000040
382 unsigned int key_mgmt
;
384 #define WPA_DRIVER_CAPA_ENC_WEP40 0x00000001
385 #define WPA_DRIVER_CAPA_ENC_WEP104 0x00000002
386 #define WPA_DRIVER_CAPA_ENC_TKIP 0x00000004
387 #define WPA_DRIVER_CAPA_ENC_CCMP 0x00000008
390 #define WPA_DRIVER_AUTH_OPEN 0x00000001
391 #define WPA_DRIVER_AUTH_SHARED 0x00000002
392 #define WPA_DRIVER_AUTH_LEAP 0x00000004
395 /* Driver generated WPA/RSN IE */
396 #define WPA_DRIVER_FLAGS_DRIVER_IE 0x00000001
397 #define WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC 0x00000002
398 #define WPA_DRIVER_FLAGS_USER_SPACE_MLME 0x00000004
399 /* Driver takes care of RSN 4-way handshake internally; PMK is configured with
400 * struct wpa_driver_ops::set_key using alg = WPA_ALG_PMK */
401 #define WPA_DRIVER_FLAGS_4WAY_HANDSHAKE 0x00000008
402 #define WPA_DRIVER_FLAGS_WIRED 0x00000010
403 /* Driver provides separate commands for authentication and association (SME in
404 * wpa_supplicant). */
405 #define WPA_DRIVER_FLAGS_SME 0x00000020
406 /* Driver supports AP mode */
407 #define WPA_DRIVER_FLAGS_AP 0x00000040
414 #define WPA_CHAN_W_SCAN 0x00000001
415 #define WPA_CHAN_W_ACTIVE_SCAN 0x00000002
416 #define WPA_CHAN_W_IBSS 0x00000004
418 struct wpa_channel_data
{
419 short chan
; /* channel number (IEEE 802.11) */
420 short freq
; /* frequency in MHz */
421 int flag
; /* flag for user space use (WPA_CHAN_*) */
424 #define WPA_RATE_ERP 0x00000001
425 #define WPA_RATE_BASIC 0x00000002
426 #define WPA_RATE_PREAMBLE2 0x00000004
427 #define WPA_RATE_SUPPORTED 0x00000010
428 #define WPA_RATE_OFDM 0x00000020
429 #define WPA_RATE_CCK 0x00000040
430 #define WPA_RATE_MANDATORY 0x00000100
432 struct wpa_rate_data
{
433 int rate
; /* rate in 100 kbps */
434 int flags
; /* WPA_RATE_ flags */
444 struct wpa_hw_modes
{
447 struct wpa_channel_data
*channels
;
449 struct wpa_rate_data
*rates
;
453 struct ieee80211_rx_status
{
460 * struct wpa_driver_ops - Driver interface API definition
462 * This structure defines the API that each driver interface needs to implement
463 * for core wpa_supplicant code. All driver specific functionality is captured
466 struct wpa_driver_ops
{
467 /** Name of the driver interface */
469 /** One line description of the driver interface */
473 * get_bssid - Get the current BSSID
474 * @priv: private driver interface data
475 * @bssid: buffer for BSSID (ETH_ALEN = 6 bytes)
477 * Returns: 0 on success, -1 on failure
479 * Query kernel driver for the current BSSID and copy it to bssid.
480 * Setting bssid to 00:00:00:00:00:00 is recommended if the STA is not
483 int (*get_bssid
)(void *priv
, u8
*bssid
);
486 * get_ssid - Get the current SSID
487 * @priv: private driver interface data
488 * @ssid: buffer for SSID (at least 32 bytes)
490 * Returns: Length of the SSID on success, -1 on failure
492 * Query kernel driver for the current SSID and copy it to ssid.
493 * Returning zero is recommended if the STA is not associated.
495 * Note: SSID is an array of octets, i.e., it is not nul terminated and
496 * can, at least in theory, contain control characters (including nul)
497 * and as such, should be processed as binary data, not a printable
500 int (*get_ssid
)(void *priv
, u8
*ssid
);
503 * set_wpa - Enable/disable WPA support (OBSOLETE)
504 * @priv: private driver interface data
505 * @enabled: 1 = enable, 0 = disable
507 * Returns: 0 on success, -1 on failure
509 * Note: This function is included for backwards compatibility. This is
510 * called only just after init and just before deinit, so these
511 * functions can be used to implement same functionality and the driver
512 * interface need not define this function.
514 * Configure the kernel driver to enable/disable WPA support. This may
515 * be empty function, if WPA support is always enabled. Common
516 * configuration items are WPA IE (clearing it when WPA support is
517 * disabled), Privacy flag configuration for capability field (note:
518 * this the value need to set in associate handler to allow plaintext
519 * mode to be used) when trying to associate with, roaming mode (can
520 * allow wpa_supplicant to control roaming if ap_scan=1 is used;
521 * however, drivers can also implement roaming if desired, especially
522 * ap_scan=2 mode is used for this).
524 int (*set_wpa
)(void *priv
, int enabled
);
527 * set_key - Configure encryption key
528 * @priv: private driver interface data
529 * @alg: encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP,
530 * %WPA_ALG_TKIP, %WPA_ALG_CCMP, %WPA_ALG_IGTK, %WPA_ALG_PMK);
531 * %WPA_ALG_NONE clears the key.
532 * @addr: address of the peer STA or ff:ff:ff:ff:ff:ff for
533 * broadcast/default keys
534 * @key_idx: key index (0..3), usually 0 for unicast keys; 0..4095 for
536 * @set_tx: configure this key as the default Tx key (only used when
537 * driver does not support separate unicast/individual key
538 * @seq: sequence number/packet number, seq_len octets, the next
539 * packet number to be used for in replay protection; configured
540 * for Rx keys (in most cases, this is only used with broadcast
541 * keys and set to zero for unicast keys)
542 * @seq_len: length of the seq, depends on the algorithm:
543 * TKIP: 6 octets, CCMP: 6 octets, IGTK: 6 octets
544 * @key: key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key,
546 * @key_len: length of the key buffer in octets (WEP: 5 or 13,
547 * TKIP: 32, CCMP: 16, IGTK: 16)
549 * Returns: 0 on success, -1 on failure
551 * Configure the given key for the kernel driver. If the driver
552 * supports separate individual keys (4 default keys + 1 individual),
553 * addr can be used to determine whether the key is default or
554 * individual. If only 4 keys are supported, the default key with key
555 * index 0 is used as the individual key. STA must be configured to use
556 * it as the default Tx key (set_tx is set) and accept Rx for all the
557 * key indexes. In most cases, WPA uses only key indexes 1 and 2 for
558 * broadcast keys, so key index 0 is available for this kind of
561 * Please note that TKIP keys include separate TX and RX MIC keys and
562 * some drivers may expect them in different order than wpa_supplicant
563 * is using. If the TX/RX keys are swapped, all TKIP encrypted packets
564 * will tricker Michael MIC errors. This can be fixed by changing the
565 * order of MIC keys by swapping te bytes 16..23 and 24..31 of the key
566 * in driver_*.c set_key() implementation, see driver_ndis.c for an
567 * example on how this can be done.
569 int (*set_key
)(void *priv
, wpa_alg alg
, const u8
*addr
,
570 int key_idx
, int set_tx
, const u8
*seq
, size_t seq_len
,
571 const u8
*key
, size_t key_len
);
574 * init - Initialize driver interface
575 * @ctx: context to be used when calling wpa_supplicant functions,
576 * e.g., wpa_supplicant_event()
577 * @ifname: interface name, e.g., wlan0
579 * Returns: Pointer to private data, %NULL on failure
581 * Initialize driver interface, including event processing for kernel
582 * driver events (e.g., associated, scan results, Michael MIC failure).
583 * This function can allocate a private configuration data area for
584 * @ctx, file descriptor, interface name, etc. information that may be
585 * needed in future driver operations. If this is not used, non-NULL
586 * value will need to be returned because %NULL is used to indicate
587 * failure. The returned value will be used as 'void *priv' data for
588 * all other driver_ops functions.
590 * The main event loop (eloop.c) of wpa_supplicant can be used to
591 * register callback for read sockets (eloop_register_read_sock()).
593 * See below for more information about events and
594 * wpa_supplicant_event() function.
596 void * (*init
)(void *ctx
, const char *ifname
);
599 * deinit - Deinitialize driver interface
600 * @priv: private driver interface data from init()
602 * Shut down driver interface and processing of driver events. Free
603 * private data buffer if one was allocated in init() handler.
605 void (*deinit
)(void *priv
);
608 * set_param - Set driver configuration parameters
609 * @priv: private driver interface data from init()
610 * @param: driver specific configuration parameters
612 * Returns: 0 on success, -1 on failure
614 * Optional handler for notifying driver interface about configuration
615 * parameters (driver_param).
617 int (*set_param
)(void *priv
, const char *param
);
620 * set_countermeasures - Enable/disable TKIP countermeasures
621 * @priv: private driver interface data
622 * @enabled: 1 = countermeasures enabled, 0 = disabled
624 * Returns: 0 on success, -1 on failure
626 * Configure TKIP countermeasures. When these are enabled, the driver
627 * should drop all received and queued frames that are using TKIP.
629 int (*set_countermeasures
)(void *priv
, int enabled
);
632 * set_drop_unencrypted - Enable/disable unencrypted frame filtering
633 * @priv: private driver interface data
634 * @enabled: 1 = unencrypted Tx/Rx frames will be dropped, 0 = disabled
636 * Returns: 0 on success, -1 on failure
638 * Configure the driver to drop all non-EAPOL frames (both receive and
639 * transmit paths). Unencrypted EAPOL frames (ethertype 0x888e) must
640 * still be allowed for key negotiation.
642 * This function is deprecated. New driver wrapper implementations
643 * should use associate() parameter drop_unencrypted instead.
645 int (*set_drop_unencrypted
)(void *priv
, int enabled
);
648 * scan - Request the driver to initiate scan (old version)
649 * @priv: private driver interface data
650 * @ssid: specific SSID to scan for (ProbeReq) or %NULL to scan for
651 * all SSIDs (either active scan with wildcard SSID or passive
653 * @ssid_len: length of the SSID
655 * Returns: 0 on success, -1 on failure
657 * Once the scan results are ready, the driver should report scan
658 * results event for wpa_supplicant which will eventually request the
659 * results with wpa_driver_get_scan_results().
661 * This function is deprecated. New driver wrapper implementations
662 * should implement support for scan2().
664 int (*scan
)(void *priv
, const u8
*ssid
, size_t ssid_len
);
667 * get_scan_results - Fetch the latest scan results (old version)
668 * @priv: private driver interface data
669 * @results: pointer to buffer for scan results
670 * @max_size: maximum number of entries (buffer size)
672 * Returns: Number of scan result entries used on success, -1 on
675 * If scan results include more than max_size BSSes, max_size will be
676 * returned and the remaining entries will not be included in the
679 * This function is deprecated. New driver wrapper implementations
680 * should implement support for get_scan_results2().
682 int (*get_scan_results
)(void *priv
,
683 struct wpa_scan_result
*results
,
687 * deauthenticate - Request driver to deauthenticate
688 * @priv: private driver interface data
689 * @addr: peer address (BSSID of the AP)
690 * @reason_code: 16-bit reason code to be sent in the deauthentication
693 * Returns: 0 on success, -1 on failure
695 int (*deauthenticate
)(void *priv
, const u8
*addr
, int reason_code
);
698 * disassociate - Request driver to disassociate
699 * @priv: private driver interface data
700 * @addr: peer address (BSSID of the AP)
701 * @reason_code: 16-bit reason code to be sent in the disassociation
704 * Returns: 0 on success, -1 on failure
706 int (*disassociate
)(void *priv
, const u8
*addr
, int reason_code
);
709 * associate - Request driver to associate
710 * @priv: private driver interface data
711 * @params: association parameters
713 * Returns: 0 on success, -1 on failure
715 int (*associate
)(void *priv
,
716 struct wpa_driver_associate_params
*params
);
719 * set_auth_alg - Set IEEE 802.11 authentication algorithm
720 * @priv: private driver interface data
721 * @auth_alg: bit field of AUTH_ALG_*
723 * If the driver supports more than one authentication algorithm at the
724 * same time, it should configure all supported algorithms. If not, one
725 * algorithm needs to be selected arbitrarily. Open System
726 * authentication should be ok for most cases and it is recommended to
727 * be used if other options are not supported. Static WEP configuration
728 * may also use Shared Key authentication and LEAP requires its own
729 * algorithm number. For LEAP, user can make sure that only one
730 * algorithm is used at a time by configuring LEAP as the only
731 * supported EAP method. This information is also available in
732 * associate() params, so set_auth_alg may not be needed in case of
735 * This function is deprecated. New driver wrapper implementations
736 * should use associate() parameter auth_alg instead.
738 * Returns: 0 on success, -1 on failure
740 int (*set_auth_alg
)(void *priv
, int auth_alg
);
743 * add_pmkid - Add PMKSA cache entry to the driver
744 * @priv: private driver interface data
745 * @bssid: BSSID for the PMKSA cache entry
746 * @pmkid: PMKID for the PMKSA cache entry
748 * Returns: 0 on success, -1 on failure
750 * This function is called when a new PMK is received, as a result of
751 * either normal authentication or RSN pre-authentication.
753 * If the driver generates RSN IE, i.e., it does not use wpa_ie in
754 * associate(), add_pmkid() can be used to add new PMKSA cache entries
755 * in the driver. If the driver uses wpa_ie from wpa_supplicant, this
756 * driver_ops function does not need to be implemented. Likewise, if
757 * the driver does not support WPA, this function is not needed.
759 int (*add_pmkid
)(void *priv
, const u8
*bssid
, const u8
*pmkid
);
762 * remove_pmkid - Remove PMKSA cache entry to the driver
763 * @priv: private driver interface data
764 * @bssid: BSSID for the PMKSA cache entry
765 * @pmkid: PMKID for the PMKSA cache entry
767 * Returns: 0 on success, -1 on failure
769 * This function is called when the supplicant drops a PMKSA cache
770 * entry for any reason.
772 * If the driver generates RSN IE, i.e., it does not use wpa_ie in
773 * associate(), remove_pmkid() can be used to synchronize PMKSA caches
774 * between the driver and wpa_supplicant. If the driver uses wpa_ie
775 * from wpa_supplicant, this driver_ops function does not need to be
776 * implemented. Likewise, if the driver does not support WPA, this
777 * function is not needed.
779 int (*remove_pmkid
)(void *priv
, const u8
*bssid
, const u8
*pmkid
);
782 * flush_pmkid - Flush PMKSA cache
783 * @priv: private driver interface data
785 * Returns: 0 on success, -1 on failure
787 * This function is called when the supplicant drops all PMKSA cache
788 * entries for any reason.
790 * If the driver generates RSN IE, i.e., it does not use wpa_ie in
791 * associate(), remove_pmkid() can be used to synchronize PMKSA caches
792 * between the driver and wpa_supplicant. If the driver uses wpa_ie
793 * from wpa_supplicant, this driver_ops function does not need to be
794 * implemented. Likewise, if the driver does not support WPA, this
795 * function is not needed.
797 int (*flush_pmkid
)(void *priv
);
800 * get_capa - Get driver capabilities
801 * @priv: private driver interface data
803 * Returns: 0 on success, -1 on failure
805 * Get driver/firmware/hardware capabilities.
807 int (*get_capa
)(void *priv
, struct wpa_driver_capa
*capa
);
810 * poll - Poll driver for association information
811 * @priv: private driver interface data
813 * This is an option callback that can be used when the driver does not
814 * provide event mechanism for association events. This is called when
815 * receiving WPA EAPOL-Key messages that require association
816 * information. The driver interface is supposed to generate associnfo
817 * event before returning from this callback function. In addition, the
818 * driver interface should generate an association event after having
819 * sent out associnfo.
821 void (*poll
)(void *priv
);
824 * get_ifname - Get interface name
825 * @priv: private driver interface data
827 * Returns: Pointer to the interface name. This can differ from the
828 * interface name used in init() call. Init() is called first.
830 * This optional function can be used to allow the driver interface to
831 * replace the interface name with something else, e.g., based on an
832 * interface mapping from a more descriptive name.
834 const char * (*get_ifname
)(void *priv
);
837 * get_mac_addr - Get own MAC address
838 * @priv: private driver interface data
840 * Returns: Pointer to own MAC address or %NULL on failure
842 * This optional function can be used to get the own MAC address of the
843 * device from the driver interface code. This is only needed if the
844 * l2_packet implementation for the OS does not provide easy access to
846 const u8
* (*get_mac_addr
)(void *priv
);
849 * send_eapol - Optional function for sending EAPOL packets
850 * @priv: private driver interface data
851 * @dest: Destination MAC address
853 * @data: EAPOL packet starting with IEEE 802.1X header
854 * @data_len: Size of the EAPOL packet
856 * Returns: 0 on success, -1 on failure
858 * This optional function can be used to override l2_packet operations
859 * with driver specific functionality. If this function pointer is set,
860 * l2_packet module is not used at all and the driver interface code is
861 * responsible for receiving and sending all EAPOL packets. The
862 * received EAPOL packets are sent to core code by calling
863 * wpa_supplicant_rx_eapol(). The driver interface is required to
864 * implement get_mac_addr() handler if send_eapol() is used.
866 int (*send_eapol
)(void *priv
, const u8
*dest
, u16 proto
,
867 const u8
*data
, size_t data_len
);
870 * set_operstate - Sets device operating state to DORMANT or UP
871 * @priv: private driver interface data
872 * @state: 0 = dormant, 1 = up
873 * Returns: 0 on success, -1 on failure
875 * This is an optional function that can be used on operating systems
876 * that support a concept of controlling network device state from user
877 * space applications. This function, if set, gets called with
878 * state = 1 when authentication has been completed and with state = 0
879 * when connection is lost.
881 int (*set_operstate
)(void *priv
, int state
);
884 * mlme_setprotection - MLME-SETPROTECTION.request primitive
885 * @priv: Private driver interface data
886 * @addr: Address of the station for which to set protection (may be
887 * %NULL for group keys)
888 * @protect_type: MLME_SETPROTECTION_PROTECT_TYPE_*
889 * @key_type: MLME_SETPROTECTION_KEY_TYPE_*
890 * Returns: 0 on success, -1 on failure
892 * This is an optional function that can be used to set the driver to
893 * require protection for Tx and/or Rx frames. This uses the layer
894 * interface defined in IEEE 802.11i-2004 clause 10.3.22.1
895 * (MLME-SETPROTECTION.request). Many drivers do not use explicit
896 * set protection operation; instead, they set protection implicitly
897 * based on configured keys.
899 int (*mlme_setprotection
)(void *priv
, const u8
*addr
, int protect_type
,
903 * get_hw_feature_data - Get hardware support data (channels and rates)
904 * @priv: Private driver interface data
905 * @num_modes: Variable for returning the number of returned modes
906 * flags: Variable for returning hardware feature flags
907 * Returns: Pointer to allocated hardware data on success or %NULL on
908 * failure. Caller is responsible for freeing this.
910 * This function is only needed for drivers that export MLME
911 * (management frame processing) to wpa_supplicant.
913 struct wpa_hw_modes
* (*get_hw_feature_data
)(void *priv
,
918 * set_channel - Set channel
919 * @priv: Private driver interface data
920 * @phymode: WPA_MODE_IEEE80211B, ..
921 * @chan: IEEE 802.11 channel number
922 * @freq: Frequency of the channel in MHz
923 * Returns: 0 on success, -1 on failure
925 * This function is only needed for drivers that export MLME
926 * (management frame processing) to wpa_supplicant.
928 int (*set_channel
)(void *priv
, wpa_hw_mode phymode
, int chan
,
932 * set_ssid - Set SSID
933 * @priv: Private driver interface data
935 * @ssid_len: SSID length
936 * Returns: 0 on success, -1 on failure
938 * This function is only needed for drivers that export MLME
939 * (management frame processing) to wpa_supplicant.
941 int (*set_ssid
)(void *priv
, const u8
*ssid
, size_t ssid_len
);
944 * set_bssid - Set BSSID
945 * @priv: Private driver interface data
947 * Returns: 0 on success, -1 on failure
949 * This function is only needed for drivers that export MLME
950 * (management frame processing) to wpa_supplicant.
952 int (*set_bssid
)(void *priv
, const u8
*bssid
);
955 * send_mlme - Send management frame from MLME
956 * @priv: Private driver interface data
957 * @data: IEEE 802.11 management frame with IEEE 802.11 header
958 * @data_len: Size of the management frame
959 * Returns: 0 on success, -1 on failure
961 * This function is only needed for drivers that export MLME
962 * (management frame processing) to wpa_supplicant.
964 int (*send_mlme
)(void *priv
, const u8
*data
, size_t data_len
);
967 * mlme_add_sta - Add a STA entry into the driver/netstack
968 * @priv: Private driver interface data
969 * @addr: MAC address of the STA (e.g., BSSID of the AP)
970 * @supp_rates: Supported rate set (from (Re)AssocResp); in IEEE 802.11
971 * format (one octet per rate, 1 = 0.5 Mbps)
972 * @supp_rates_len: Number of entries in supp_rates
973 * Returns: 0 on success, -1 on failure
975 * This function is only needed for drivers that export MLME
976 * (management frame processing) to wpa_supplicant. When the MLME code
977 * completes association with an AP, this function is called to
978 * configure the driver/netstack with a STA entry for data frame
979 * processing (TX rate control, encryption/decryption).
981 int (*mlme_add_sta
)(void *priv
, const u8
*addr
, const u8
*supp_rates
,
982 size_t supp_rates_len
);
985 * mlme_remove_sta - Remove a STA entry from the driver/netstack
986 * @priv: Private driver interface data
987 * @addr: MAC address of the STA (e.g., BSSID of the AP)
988 * Returns: 0 on success, -1 on failure
990 * This function is only needed for drivers that export MLME
991 * (management frame processing) to wpa_supplicant.
993 int (*mlme_remove_sta
)(void *priv
, const u8
*addr
);
996 * update_ft_ies - Update FT (IEEE 802.11r) IEs
997 * @priv: Private driver interface data
998 * @md: Mobility domain (2 octets) (also included inside ies)
999 * @ies: FT IEs (MDIE, FTIE, ...) or %NULL to remove IEs
1000 * @ies_len: Length of FT IEs in bytes
1001 * Returns: 0 on success, -1 on failure
1003 * The supplicant uses this callback to let the driver know that keying
1004 * material for FT is available and that the driver can use the
1005 * provided IEs in the next message in FT authentication sequence.
1007 * This function is only needed for driver that support IEEE 802.11r
1008 * (Fast BSS Transition).
1010 int (*update_ft_ies
)(void *priv
, const u8
*md
, const u8
*ies
,
1014 * send_ft_action - Send FT Action frame (IEEE 802.11r)
1015 * @priv: Private driver interface data
1016 * @action: Action field value
1017 * @target_ap: Target AP address
1018 * @ies: FT IEs (MDIE, FTIE, ...) (FT Request action frame body)
1019 * @ies_len: Length of FT IEs in bytes
1020 * Returns: 0 on success, -1 on failure
1022 * The supplicant uses this callback to request the driver to transmit
1023 * an FT Action frame (action category 6) for over-the-DS fast BSS
1026 int (*send_ft_action
)(void *priv
, u8 action
, const u8
*target_ap
,
1027 const u8
*ies
, size_t ies_len
);
1030 * get_scan_results2 - Fetch the latest scan results
1031 * @priv: private driver interface data
1033 * Returns: Allocated buffer of scan results (caller is responsible for
1034 * freeing the data structure) on success, NULL on failure
1036 struct wpa_scan_results
* (*get_scan_results2
)(void *priv
);
1039 * set_probe_req_ie - Set information element(s) for Probe Request
1040 * @priv: private driver interface data
1041 * @ies: Information elements to append or %NULL to remove extra IEs
1042 * @ies_len: Length of the IE buffer in octets
1043 * Returns: 0 on success, -1 on failure
1045 int (*set_probe_req_ie
)(void *priv
, const u8
*ies
, size_t ies_len
);
1048 * set_mode - Request driver to set the operating mode
1049 * @priv: private driver interface data
1050 * @mode: Operation mode (infra/ibss) IEEE80211_MODE_*
1052 * This handler will be called before any key configuration and call to
1053 * associate() handler in order to allow the operation mode to be
1054 * configured as early as possible. This information is also available
1055 * in associate() params and as such, driver wrappers may not need
1056 * to implement set_mode() handler.
1058 * This function is deprecated. New driver wrapper implementations
1059 * should use associate() parameter mode instead.
1061 * Returns: 0 on success, -1 on failure
1063 int (*set_mode
)(void *priv
, int mode
);
1066 * set_country - Set country
1067 * @priv: Private driver interface data
1068 * @alpha2: country to which to switch to
1069 * Returns: 0 on success, -1 on failure
1071 * This function is for drivers which support some form
1072 * of setting a regulatory domain.
1074 int (*set_country
)(void *priv
, const char *alpha2
);
1077 * global_init - Global driver initialization
1078 * Returns: Pointer to private data (global), %NULL on failure
1080 * This optional function is called to initialize the driver wrapper
1081 * for global data, i.e., data that applies to all interfaces. If this
1082 * function is implemented, global_deinit() will also need to be
1083 * implemented to free the private data. The driver will also likely
1084 * use init2() function instead of init() to get the pointer to global
1085 * data available to per-interface initializer.
1087 void * (*global_init
)(void);
1090 * global_deinit - Global driver deinitialization
1091 * @priv: private driver global data from global_init()
1093 * Terminate any global driver related functionality and free the
1094 * global data structure.
1096 void (*global_deinit
)(void *priv
);
1099 * init2 - Initialize driver interface (with global data)
1100 * @ctx: context to be used when calling wpa_supplicant functions,
1101 * e.g., wpa_supplicant_event()
1102 * @ifname: interface name, e.g., wlan0
1103 * @global_priv: private driver global data from global_init()
1104 * Returns: Pointer to private data, %NULL on failure
1106 * This function can be used instead of init() if the driver wrapper
1109 void * (*init2
)(void *ctx
, const char *ifname
, void *global_priv
);
1112 * get_interfaces - Get information about available interfaces
1113 * @global_priv: private driver global data from global_init()
1114 * Returns: Allocated buffer of interface information (caller is
1115 * responsible for freeing the data structure) on success, NULL on
1118 struct wpa_interface_info
* (*get_interfaces
)(void *global_priv
);
1121 * scan2 - Request the driver to initiate scan
1122 * @priv: private driver interface data
1123 * @params: Scan parameters
1125 * Returns: 0 on success, -1 on failure
1127 * Once the scan results are ready, the driver should report scan
1128 * results event for wpa_supplicant which will eventually request the
1129 * results with wpa_driver_get_scan_results2().
1131 int (*scan2
)(void *priv
, struct wpa_driver_scan_params
*params
);
1134 * authenticate - Request driver to authenticate
1135 * @priv: private driver interface data
1136 * @params: authentication parameters
1137 * Returns: 0 on success, -1 on failure
1139 * This is an optional function that can be used with drivers that
1140 * support separate authentication and association steps, i.e., when
1141 * wpa_supplicant can act as the SME. If not implemented, associate()
1142 * function is expected to take care of IEEE 802.11 authentication,
1145 int (*authenticate
)(void *priv
,
1146 struct wpa_driver_auth_params
*params
);
1148 int (*set_beacon
)(void *priv
, const u8
*head
, size_t head_len
,
1149 const u8
*tail
, size_t tail_len
, int dtim_period
);
1151 int (*set_beacon_int
)(void *priv
, int value
);
1155 * enum wpa_event_type - Event type for wpa_supplicant_event() calls
1157 typedef enum wpa_event_type
{
1159 * EVENT_ASSOC - Association completed
1161 * This event needs to be delivered when the driver completes IEEE
1162 * 802.11 association or reassociation successfully.
1163 * wpa_driver_ops::get_bssid() is expected to provide the current BSSID
1164 * after this event has been generated. In addition, optional
1165 * EVENT_ASSOCINFO may be generated just before EVENT_ASSOC to provide
1166 * more information about the association. If the driver interface gets
1167 * both of these events at the same time, it can also include the
1168 * assoc_info data in EVENT_ASSOC call.
1173 * EVENT_DISASSOC - Association lost
1175 * This event should be called when association is lost either due to
1176 * receiving deauthenticate or disassociate frame from the AP or when
1177 * sending either of these frames to the current AP. If the driver
1178 * supports separate deauthentication event, EVENT_DISASSOC should only
1179 * be used for disassociation and EVENT_DEAUTH for deauthentication.
1184 * EVENT_MICHAEL_MIC_FAILURE - Michael MIC (TKIP) detected
1186 * This event must be delivered when a Michael MIC error is detected by
1187 * the local driver. Additional data for event processing is
1188 * provided with union wpa_event_data::michael_mic_failure. This
1189 * information is used to request new encyption key and to initiate
1190 * TKIP countermeasures if needed.
1192 EVENT_MICHAEL_MIC_FAILURE
,
1195 * EVENT_SCAN_RESULTS - Scan results available
1197 * This event must be called whenever scan results are available to be
1198 * fetched with struct wpa_driver_ops::get_scan_results(). This event
1199 * is expected to be used some time after struct wpa_driver_ops::scan()
1200 * is called. If the driver provides an unsolicited event when the scan
1201 * has been completed, this event can be used to trigger
1202 * EVENT_SCAN_RESULTS call. If such event is not available from the
1203 * driver, the driver wrapper code is expected to use a registered
1204 * timeout to generate EVENT_SCAN_RESULTS call after the time that the
1205 * scan is expected to be completed.
1210 * EVENT_ASSOCINFO - Report optional extra information for association
1212 * This event can be used to report extra association information for
1213 * EVENT_ASSOC processing. This extra information includes IEs from
1214 * association frames and Beacon/Probe Response frames in union
1215 * wpa_event_data::assoc_info. EVENT_ASSOCINFO must be send just before
1216 * EVENT_ASSOC. Alternatively, the driver interface can include
1217 * assoc_info data in the EVENT_ASSOC call if it has all the
1218 * information available at the same point.
1223 * EVENT_INTERFACE_STATUS - Report interface status changes
1225 * This optional event can be used to report changes in interface
1226 * status (interface added/removed) using union
1227 * wpa_event_data::interface_status. This can be used to trigger
1228 * wpa_supplicant to stop and re-start processing for the interface,
1229 * e.g., when a cardbus card is ejected/inserted.
1231 EVENT_INTERFACE_STATUS
,
1234 * EVENT_PMKID_CANDIDATE - Report a candidate AP for pre-authentication
1236 * This event can be used to inform wpa_supplicant about candidates for
1237 * RSN (WPA2) pre-authentication. If wpa_supplicant is not responsible
1238 * for scan request (ap_scan=2 mode), this event is required for
1239 * pre-authentication. If wpa_supplicant is performing scan request
1240 * (ap_scan=1), this event is optional since scan results can be used
1241 * to add pre-authentication candidates. union
1242 * wpa_event_data::pmkid_candidate is used to report the BSSID of the
1243 * candidate and priority of the candidate, e.g., based on the signal
1244 * strength, in order to try to pre-authenticate first with candidates
1245 * that are most likely targets for re-association.
1247 * EVENT_PMKID_CANDIDATE can be called whenever the driver has updates
1248 * on the candidate list. In addition, it can be called for the current
1249 * AP and APs that have existing PMKSA cache entries. wpa_supplicant
1250 * will automatically skip pre-authentication in cases where a valid
1251 * PMKSA exists. When more than one candidate exists, this event should
1252 * be generated once for each candidate.
1254 * Driver will be notified about successful pre-authentication with
1255 * struct wpa_driver_ops::add_pmkid() calls.
1257 EVENT_PMKID_CANDIDATE
,
1260 * EVENT_STKSTART - Request STK handshake (MLME-STKSTART.request)
1262 * This event can be used to inform wpa_supplicant about desire to set
1263 * up secure direct link connection between two stations as defined in
1264 * IEEE 802.11e with a new PeerKey mechanism that replaced the original
1265 * STAKey negotiation. The caller will need to set peer address for the
1271 * EVENT_FT_RESPONSE - Report FT (IEEE 802.11r) response IEs
1273 * The driver is expected to report the received FT IEs from
1274 * FT authentication sequence from the AP. The FT IEs are included in
1275 * the extra information in union wpa_event_data::ft_ies.
1280 * EVENT_IBSS_RSN_START - Request RSN authentication in IBSS
1282 * The driver can use this event to inform wpa_supplicant about a STA
1283 * in an IBSS with which protected frames could be exchanged. This
1284 * event starts RSN authentication with the other STA to authenticate
1285 * the STA and set up encryption keys with it.
1287 EVENT_IBSS_RSN_START
,
1290 * EVENT_AUTH - Authentication result
1292 * This event should be called when authentication attempt has been
1293 * completed. This is only used if the driver supports separate
1294 * authentication step (struct wpa_driver_ops::authenticate).
1295 * Information about authentication result is included in
1296 * union wpa_event_data::auth.
1301 * EVENT_DEAUTH - Authentication lost
1303 * This event should be called when authentication is lost either due
1304 * to receiving deauthenticate frame from the AP or when sending that
1305 * frame to the current AP.
1310 * EVENT_ASSOC_REJECT - Association rejected
1312 * This event should be called when (re)association attempt has been
1313 * rejected by the AP. Information about authentication result is
1314 * included in union wpa_event_data::assoc_reject.
1321 * union wpa_event_data - Additional data for wpa_supplicant_event() calls
1323 union wpa_event_data
{
1325 * struct assoc_info - Data for EVENT_ASSOC and EVENT_ASSOCINFO events
1327 * This structure is optional for EVENT_ASSOC calls and required for
1328 * EVENT_ASSOCINFO calls. By using EVENT_ASSOC with this data, the
1329 * driver interface does not need to generate separate EVENT_ASSOCINFO
1334 * req_ies - (Re)Association Request IEs
1336 * If the driver generates WPA/RSN IE, this event data must be
1337 * returned for WPA handshake to have needed information. If
1338 * wpa_supplicant-generated WPA/RSN IE is used, this
1339 * information event is optional.
1341 * This should start with the first IE (fixed fields before IEs
1342 * are not included).
1347 * req_ies_len - Length of req_ies in bytes
1352 * resp_ies - (Re)Association Response IEs
1354 * Optional association data from the driver. This data is not
1355 * required WPA, but may be useful for some protocols and as
1356 * such, should be reported if this is available to the driver
1359 * This should start with the first IE (fixed fields before IEs
1360 * are not included).
1365 * resp_ies_len - Length of resp_ies in bytes
1367 size_t resp_ies_len
;
1370 * beacon_ies - Beacon or Probe Response IEs
1372 * Optional Beacon/ProbeResp data: IEs included in Beacon or
1373 * Probe Response frames from the current AP (i.e., the one
1374 * that the client just associated with). This information is
1375 * used to update WPA/RSN IE for the AP. If this field is not
1376 * set, the results from previous scan will be used. If no
1377 * data for the new AP is found, scan results will be requested
1378 * again (without scan request). At this point, the driver is
1379 * expected to provide WPA/RSN IE for the AP (if WPA/WPA2 is
1382 * This should start with the first IE (fixed fields before IEs
1383 * are not included).
1388 * beacon_ies_len - Length of beacon_ies */
1389 size_t beacon_ies_len
;
1393 * struct michael_mic_failure - Data for EVENT_MICHAEL_MIC_FAILURE
1395 struct michael_mic_failure
{
1397 } michael_mic_failure
;
1400 * struct interface_status - Data for EVENT_INTERFACE_STATUS
1402 struct interface_status
{
1405 EVENT_INTERFACE_ADDED
, EVENT_INTERFACE_REMOVED
1410 * struct pmkid_candidate - Data for EVENT_PMKID_CANDIDATE
1412 struct pmkid_candidate
{
1413 /** BSSID of the PMKID candidate */
1415 /** Smaller the index, higher the priority */
1417 /** Whether RSN IE includes pre-authenticate flag */
1422 * struct stkstart - Data for EVENT_STKSTART
1429 * struct ft_ies - FT information elements (EVENT_FT_RESPONSE)
1431 * During FT (IEEE 802.11r) authentication sequence, the driver is
1432 * expected to use this event to report received FT IEs (MDIE, FTIE,
1433 * RSN IE, TIE, possible resource request) to the supplicant. The FT
1434 * IEs for the next message will be delivered through the
1435 * struct wpa_driver_ops::update_ft_ies() callback.
1441 u8 target_ap
[ETH_ALEN
];
1442 /** Optional IE(s), e.g., WMM TSPEC(s), for RIC-Request */
1444 /** Length of ric_ies buffer in octets */
1449 * struct ibss_rsn_start - Data for EVENT_IBSS_RSN_START
1451 struct ibss_rsn_start
{
1456 * struct auth_info - Data for EVENT_AUTH events
1467 * struct assoc_reject - Data for EVENT_ASSOC_REJECT events
1469 struct assoc_reject
{
1471 * resp_ies - (Re)Association Response IEs
1473 * Optional association data from the driver. This data is not
1474 * required WPA, but may be useful for some protocols and as
1475 * such, should be reported if this is available to the driver
1478 * This should start with the first IE (fixed fields before IEs
1479 * are not included).
1484 * resp_ies_len - Length of resp_ies in bytes
1486 size_t resp_ies_len
;
1489 * status_code - Status Code from (Re)association Response
1496 * wpa_supplicant_event - Report a driver event for wpa_supplicant
1497 * @ctx: Context pointer (wpa_s); this is the ctx variable registered
1498 * with struct wpa_driver_ops::init()
1499 * @event: event type (defined above)
1500 * @data: possible extra data for the event
1502 * Driver wrapper code should call this function whenever an event is received
1505 void wpa_supplicant_event(void *ctx
, wpa_event_type event
,
1506 union wpa_event_data
*data
);
1509 * wpa_supplicant_rx_eapol - Deliver a received EAPOL frame to wpa_supplicant
1510 * @ctx: Context pointer (wpa_s); this is the ctx variable registered
1511 * with struct wpa_driver_ops::init()
1512 * @src_addr: Source address of the EAPOL frame
1513 * @buf: EAPOL data starting from the EAPOL header (i.e., no Ethernet header)
1514 * @len: Length of the EAPOL data
1516 * This function is called for each received EAPOL frame. Most driver
1517 * interfaces rely on more generic OS mechanism for receiving frames through
1518 * l2_packet, but if such a mechanism is not available, the driver wrapper may
1519 * take care of received EAPOL frames and deliver them to the core supplicant
1520 * code by calling this function.
1522 void wpa_supplicant_rx_eapol(void *ctx
, const u8
*src_addr
,
1523 const u8
*buf
, size_t len
);
1525 void wpa_supplicant_sta_rx(void *ctx
, const u8
*buf
, size_t len
,
1526 struct ieee80211_rx_status
*rx_status
);
1527 void wpa_supplicant_sta_free_hw_features(struct wpa_hw_modes
*hw_features
,
1528 size_t num_hw_features
);
1530 const u8
* wpa_scan_get_ie(const struct wpa_scan_res
*res
, u8 ie
);
1531 #define WPA_IE_VENDOR_TYPE 0x0050f201
1532 #define WPS_IE_VENDOR_TYPE 0x0050f204
1533 const u8
* wpa_scan_get_vendor_ie(const struct wpa_scan_res
*res
,
1535 struct wpabuf
* wpa_scan_get_vendor_ie_multi(const struct wpa_scan_res
*res
,
1537 int wpa_scan_get_max_rate(const struct wpa_scan_res
*res
);
1538 void wpa_scan_results_free(struct wpa_scan_results
*res
);
1539 void wpa_scan_sort_results(struct wpa_scan_results
*res
);
1541 #endif /* DRIVER_H */