Add extended driver scan request command: driver_ops::scan2()
[wpasupplicant] / wpa_supplicant / wpa_supplicant_i.h
1 /*
2  * wpa_supplicant - Internal definitions
3  * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
4  *
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.
8  *
9  * Alternatively, this software may be distributed under the terms of BSD
10  * license.
11  *
12  * See README and COPYING for more details.
13  */
14
15 #ifndef WPA_SUPPLICANT_I_H
16 #define WPA_SUPPLICANT_I_H
17
18 #include "drivers/driver.h"
19
20 extern const char *wpa_supplicant_version;
21 extern const char *wpa_supplicant_license;
22 #ifndef CONFIG_NO_STDOUT_DEBUG
23 extern const char *wpa_supplicant_full_license1;
24 extern const char *wpa_supplicant_full_license2;
25 extern const char *wpa_supplicant_full_license3;
26 extern const char *wpa_supplicant_full_license4;
27 extern const char *wpa_supplicant_full_license5;
28 #endif /* CONFIG_NO_STDOUT_DEBUG */
29
30 extern struct wpa_driver_ops *wpa_supplicant_drivers[];
31
32
33 struct wpa_scan_result;
34 struct wpa_sm;
35 struct wpa_supplicant;
36 struct ibss_rsn;
37
38 /*
39  * Forward declarations of private structures used within the ctrl_iface
40  * backends. Other parts of wpa_supplicant do not have access to data stored in
41  * these structures.
42  */
43 struct ctrl_iface_priv;
44 struct ctrl_iface_global_priv;
45 struct ctrl_iface_dbus_priv;
46
47 /**
48  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
49  */
50 struct wpa_interface {
51         /**
52          * confname - Configuration name (file or profile) name
53          *
54          * This can also be %NULL when a configuration file is not used. In
55          * that case, ctrl_interface must be set to allow the interface to be
56          * configured.
57          */
58         const char *confname;
59
60         /**
61          * ctrl_interface - Control interface parameter
62          *
63          * If a configuration file is not used, this variable can be used to
64          * set the ctrl_interface parameter that would have otherwise been read
65          * from the configuration file. If both confname and ctrl_interface are
66          * set, ctrl_interface is used to override the value from configuration
67          * file.
68          */
69         const char *ctrl_interface;
70
71         /**
72          * driver - Driver interface name, or %NULL to use the default driver
73          */
74         const char *driver;
75
76         /**
77          * driver_param - Driver interface parameters
78          *
79          * If a configuration file is not used, this variable can be used to
80          * set the driver_param parameters that would have otherwise been read
81          * from the configuration file. If both confname and driver_param are
82          * set, driver_param is used to override the value from configuration
83          * file.
84          */
85         const char *driver_param;
86
87         /**
88          * ifname - Interface name
89          */
90         const char *ifname;
91
92         /**
93          * bridge_ifname - Optional bridge interface name
94          *
95          * If the driver interface (ifname) is included in a Linux bridge
96          * device, the bridge interface may need to be used for receiving EAPOL
97          * frames. This can be enabled by setting this variable to enable
98          * receiving of EAPOL frames from an additional interface.
99          */
100         const char *bridge_ifname;
101 };
102
103 /**
104  * struct wpa_params - Parameters for wpa_supplicant_init()
105  */
106 struct wpa_params {
107         /**
108          * daemonize - Run %wpa_supplicant in the background
109          */
110         int daemonize;
111
112         /**
113          * wait_for_monitor - Wait for a monitor program before starting
114          */
115         int wait_for_monitor;
116
117         /**
118          * pid_file - Path to a PID (process ID) file
119          *
120          * If this and daemonize are set, process ID of the background process
121          * will be written to the specified file.
122          */
123         char *pid_file;
124
125         /**
126          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
127          */
128         int wpa_debug_level;
129
130         /**
131          * wpa_debug_show_keys - Whether keying material is included in debug
132          *
133          * This parameter can be used to allow keying material to be included
134          * in debug messages. This is a security risk and this option should
135          * not be enabled in normal configuration. If needed during
136          * development or while troubleshooting, this option can provide more
137          * details for figuring out what is happening.
138          */
139         int wpa_debug_show_keys;
140
141         /**
142          * wpa_debug_timestamp - Whether to include timestamp in debug messages
143          */
144         int wpa_debug_timestamp;
145
146         /**
147          * ctrl_interface - Global ctrl_iface path/parameter
148          */
149         char *ctrl_interface;
150
151         /**
152          * dbus_ctrl_interface - Enable the DBus control interface
153          */
154         int dbus_ctrl_interface;
155
156         /**
157          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
158          */
159         const char *wpa_debug_file_path;
160 };
161
162 /**
163  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
164  *
165  * This structure is initialized by calling wpa_supplicant_init() when starting
166  * %wpa_supplicant.
167  */
168 struct wpa_global {
169         struct wpa_supplicant *ifaces;
170         struct wpa_params params;
171         struct ctrl_iface_global_priv *ctrl_iface;
172         struct ctrl_iface_dbus_priv *dbus_ctrl_iface;
173         void **drv_priv;
174         size_t drv_count;
175 };
176
177
178 struct wpa_client_mlme {
179 #ifdef CONFIG_CLIENT_MLME
180         enum {
181                 IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
182                 IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
183                 IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
184         } state;
185         u8 prev_bssid[ETH_ALEN];
186         u8 ssid[32];
187         size_t ssid_len;
188         u16 aid;
189         u16 ap_capab, capab;
190         u8 *extra_ie; /* to be added to the end of AssocReq */
191         size_t extra_ie_len;
192         u8 *extra_probe_ie; /* to be added to the end of ProbeReq */
193         size_t extra_probe_ie_len;
194         wpa_key_mgmt key_mgmt;
195
196         /* The last AssocReq/Resp IEs */
197         u8 *assocreq_ies, *assocresp_ies;
198         size_t assocreq_ies_len, assocresp_ies_len;
199
200         int auth_tries, assoc_tries;
201
202         unsigned int ssid_set:1;
203         unsigned int bssid_set:1;
204         unsigned int prev_bssid_set:1;
205         unsigned int authenticated:1;
206         unsigned int associated:1;
207         unsigned int probereq_poll:1;
208         unsigned int use_protection:1;
209         unsigned int create_ibss:1;
210         unsigned int mixed_cell:1;
211         unsigned int wmm_enabled:1;
212
213         struct os_time last_probe;
214
215 #define IEEE80211_AUTH_ALG_OPEN BIT(0)
216 #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
217 #define IEEE80211_AUTH_ALG_LEAP BIT(2)
218         unsigned int auth_algs; /* bitfield of allowed auth algs */
219         int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
220         int auth_transaction;
221
222         struct os_time ibss_join_req;
223         u8 *probe_resp; /* ProbeResp template for IBSS */
224         size_t probe_resp_len;
225         u32 supp_rates_bits;
226
227         int wmm_last_param_set;
228
229         int sta_scanning;
230         int scan_hw_mode_idx;
231         int scan_channel_idx;
232         enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
233         struct os_time last_scan_completed;
234         int scan_oper_channel;
235         int scan_oper_freq;
236         int scan_oper_phymode;
237         u8 scan_ssid[32];
238         size_t scan_ssid_len;
239         int scan_skip_11b;
240
241         struct ieee80211_sta_bss *sta_bss_list;
242 #define STA_HASH_SIZE 256
243 #define STA_HASH(sta) (sta[5])
244         struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
245
246         int cts_protect_erp_frames;
247
248         int phymode; /* current mode; WPA_MODE_IEEE80211A, .. */
249         struct wpa_hw_modes *modes;
250         size_t num_modes;
251         unsigned int hw_modes; /* bitfield of allowed hardware modes;
252                                 * (1 << MODE_*) */
253         int num_curr_rates;
254         struct wpa_rate_data *curr_rates;
255         int freq; /* The current frequency in MHz */
256         int channel; /* The current IEEE 802.11 channel number */
257
258 #ifdef CONFIG_IEEE80211R
259         u8 current_md[6];
260         u8 *ft_ies;
261         size_t ft_ies_len;
262 #endif /* CONFIG_IEEE80211R */
263
264 #else /* CONFIG_CLIENT_MLME */
265         int dummy; /* to keep MSVC happy */
266 #endif /* CONFIG_CLIENT_MLME */
267 };
268
269 /**
270  * struct wpa_supplicant - Internal data for wpa_supplicant interface
271  *
272  * This structure contains the internal data for core wpa_supplicant code. This
273  * should be only used directly from the core code. However, a pointer to this
274  * data is used from other files as an arbitrary context pointer in calls to
275  * core functions.
276  */
277 struct wpa_supplicant {
278         struct wpa_global *global;
279         struct wpa_supplicant *next;
280         struct l2_packet_data *l2;
281         struct l2_packet_data *l2_br;
282         unsigned char own_addr[ETH_ALEN];
283         char ifname[100];
284 #ifdef CONFIG_CTRL_IFACE_DBUS
285         char *dbus_path;
286 #endif /* CONFIG_CTRL_IFACE_DBUS */
287         char bridge_ifname[16];
288
289         char *confname;
290         struct wpa_config *conf;
291         int countermeasures;
292         os_time_t last_michael_mic_error;
293         u8 bssid[ETH_ALEN];
294         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
295                                      * field contains the targer BSSID. */
296         int reassociate; /* reassociation requested */
297         int disconnected; /* all connections disabled; i.e., do no reassociate
298                            * before this has been cleared */
299         struct wpa_ssid *current_ssid;
300         int ap_ies_from_associnfo;
301
302         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
303         int pairwise_cipher;
304         int group_cipher;
305         int key_mgmt;
306         int mgmt_group_cipher;
307
308         void *drv_priv; /* private data used by driver_ops */
309
310         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
311                                           * NULL = not yet initialized (start
312                                           * with broadcast SSID)
313                                           * BROADCAST_SSID_SCAN = broadcast
314                                           * SSID was used in the previous scan
315                                           */
316 #define BROADCAST_SSID_SCAN ((struct wpa_ssid *) 1)
317
318         struct wpa_scan_results *scan_res;
319
320         struct wpa_driver_ops *driver;
321         int interface_removed; /* whether the network interface has been
322                                 * removed */
323         struct wpa_sm *wpa;
324         struct eapol_sm *eapol;
325
326         struct ctrl_iface_priv *ctrl_iface;
327
328         wpa_states wpa_state;
329         int new_connection;
330         int reassociated_connection;
331
332         int eapol_received; /* number of EAPOL packets received after the
333                              * previous association event */
334
335         struct scard_data *scard;
336
337         unsigned char last_eapol_src[ETH_ALEN];
338
339         int keys_cleared;
340
341         struct wpa_blacklist *blacklist;
342
343         int scan_req; /* manual scan request; this forces a scan even if there
344                        * are no enabled networks in the configuration */
345         int scan_res_tried; /* whether ap_scan=1 mode has tried to fetch scan
346                              * results without a new scan request; this is used
347                              * to speed up the first association if the driver
348                              * has already available scan results. */
349         int scan_runs; /* number of scan runs since WPS was started */
350
351         struct wpa_client_mlme mlme;
352         int use_client_mlme;
353         int driver_4way_handshake;
354         int max_scan_ssids;
355
356         int pending_mic_error_report;
357         int pending_mic_error_pairwise;
358         int mic_errors_seen; /* Michael MIC errors with the current PTK */
359
360         struct wps_context *wps;
361         int wps_success; /* WPS success event received */
362         int blacklist_cleared;
363
364         struct ibss_rsn *ibss_rsn;
365 };
366
367
368 /* wpa_supplicant.c */
369 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
370
371 const char * wpa_supplicant_state_txt(int state);
372 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
373 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
374                               struct wpa_scan_res *bss,
375                               struct wpa_ssid *ssid,
376                               u8 *wpa_ie, size_t *wpa_ie_len);
377 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
378                               struct wpa_scan_res *bss,
379                               struct wpa_ssid *ssid);
380 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
381                                        struct wpa_ssid *ssid);
382 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
383 int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
384 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
385 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
386                                      int sec, int usec);
387 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
388 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
389 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
390 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
391                                    int reason_code);
392 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
393                                  int reason_code);
394
395 void wpa_show_license(void);
396
397 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
398                                                  struct wpa_interface *iface);
399 int wpa_supplicant_remove_iface(struct wpa_global *global,
400                                 struct wpa_supplicant *wpa_s);
401 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
402                                                  const char *ifname);
403 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
404 int wpa_supplicant_run(struct wpa_global *global);
405 void wpa_supplicant_deinit(struct wpa_global *global);
406
407 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
408                               struct wpa_ssid *ssid);
409
410 /* scan.c */
411 void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
412 void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
413
414 /* events.c */
415 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
416
417 /* driver_ops */
418 static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
419                                   const char *ifname)
420 {
421         if (wpa_s->driver->init2)
422                 return wpa_s->driver->init2(wpa_s, ifname, wpa_s->global);
423         if (wpa_s->driver->init) {
424                 return wpa_s->driver->init(wpa_s, ifname);
425         }
426         return NULL;
427 }
428
429 static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
430 {
431         if (wpa_s->driver->deinit)
432                 wpa_s->driver->deinit(wpa_s->drv_priv);
433 }
434
435 static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
436                                     const char *param)
437 {
438         if (wpa_s->driver->set_param)
439                 return wpa_s->driver->set_param(wpa_s->drv_priv, param);
440         return 0;
441 }
442
443 static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
444                                                int enabled)
445 {
446         if (wpa_s->driver->set_drop_unencrypted) {
447                 return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
448                                                            enabled);
449         }
450         return -1;
451 }
452
453 static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
454                                               int enabled)
455 {
456         if (wpa_s->driver->set_countermeasures) {
457                 return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
458                                                           enabled);
459         }
460         return -1;
461 }
462
463 static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
464                                        int auth_alg)
465 {
466         if (wpa_s->driver->set_auth_alg) {
467                 return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
468                                                    auth_alg);
469         }
470         return -1;
471 }
472
473 static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
474 {
475         if (wpa_s->driver->set_wpa) {
476                 return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
477         }
478         return 0;
479 }
480
481 static inline int wpa_drv_set_mode(struct wpa_supplicant *wpa_s, int mode)
482 {
483         if (wpa_s->driver->set_mode) {
484                 return wpa_s->driver->set_mode(wpa_s->drv_priv, mode);
485         }
486         return 0;
487 }
488
489 static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
490                                     struct wpa_driver_associate_params *params)
491 {
492         if (wpa_s->driver->associate) {
493                 return wpa_s->driver->associate(wpa_s->drv_priv, params);
494         }
495         return -1;
496 }
497
498 static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s,
499                                struct wpa_driver_scan_params *params)
500 {
501         if (wpa_s->driver->scan2)
502                 return wpa_s->driver->scan2(wpa_s->drv_priv, params);
503         if (wpa_s->driver->scan)
504                 return wpa_s->driver->scan(wpa_s->drv_priv,
505                                            params->ssids[0].ssid,
506                                            params->ssids[0].ssid_len);
507         return -1;
508 }
509
510 static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
511                                            struct wpa_scan_result *results,
512                                            size_t max_size)
513 {
514         if (wpa_s->driver->get_scan_results) {
515                 return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
516                                                        results, max_size);
517         }
518         return -1;
519 }
520
521 static inline struct wpa_scan_results * wpa_drv_get_scan_results2(
522         struct wpa_supplicant *wpa_s)
523 {
524         if (wpa_s->driver->get_scan_results2)
525                 return wpa_s->driver->get_scan_results2(wpa_s->drv_priv);
526         return NULL;
527 }
528
529 static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
530 {
531         if (wpa_s->driver->get_bssid) {
532                 return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
533         }
534         return -1;
535 }
536
537 static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
538 {
539         if (wpa_s->driver->get_ssid) {
540                 return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
541         }
542         return -1;
543 }
544
545 static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, wpa_alg alg,
546                                    const u8 *addr, int key_idx, int set_tx,
547                                    const u8 *seq, size_t seq_len,
548                                    const u8 *key, size_t key_len)
549 {
550         if (wpa_s->driver->set_key) {
551                 wpa_s->keys_cleared = 0;
552                 return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
553                                               key_idx, set_tx, seq, seq_len,
554                                               key, key_len);
555         }
556         return -1;
557 }
558
559 static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
560                                          const u8 *addr, int reason_code)
561 {
562         if (wpa_s->driver->deauthenticate) {
563                 return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
564                                                      reason_code);
565         }
566         return -1;
567 }
568
569 static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
570                                        const u8 *addr, int reason_code)
571 {
572         if (wpa_s->driver->disassociate) {
573                 return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
574                                                    reason_code);
575         }
576         return -1;
577 }
578
579 static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
580                                     const u8 *bssid, const u8 *pmkid)
581 {
582         if (wpa_s->driver->add_pmkid) {
583                 return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
584         }
585         return -1;
586 }
587
588 static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
589                                        const u8 *bssid, const u8 *pmkid)
590 {
591         if (wpa_s->driver->remove_pmkid) {
592                 return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
593                                                    pmkid);
594         }
595         return -1;
596 }
597
598 static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
599 {
600         if (wpa_s->driver->flush_pmkid) {
601                 return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
602         }
603         return -1;
604 }
605
606 static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
607                                    struct wpa_driver_capa *capa)
608 {
609         if (wpa_s->driver->get_capa) {
610                 return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
611         }
612         return -1;
613 }
614
615 static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
616 {
617         if (wpa_s->driver->poll) {
618                 wpa_s->driver->poll(wpa_s->drv_priv);
619         }
620 }
621
622 static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
623 {
624         if (wpa_s->driver->get_ifname) {
625                 return wpa_s->driver->get_ifname(wpa_s->drv_priv);
626         }
627         return NULL;
628 }
629
630 static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
631 {
632         if (wpa_s->driver->get_mac_addr) {
633                 return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
634         }
635         return NULL;
636 }
637
638 static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
639                                      const u8 *dst, u16 proto,
640                                      const u8 *data, size_t data_len)
641 {
642         if (wpa_s->driver->send_eapol)
643                 return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
644                                                  data, data_len);
645         return -1;
646 }
647
648 static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
649                                         int state)
650 {
651         if (wpa_s->driver->set_operstate)
652                 return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
653         return 0;
654 }
655
656 static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
657                                              const u8 *addr, int protect_type,
658                                              int key_type)
659 {
660         if (wpa_s->driver->mlme_setprotection)
661                 return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
662                                                          protect_type,
663                                                          key_type);
664         return 0;
665 }
666
667 static inline struct wpa_hw_modes *
668 wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
669                             u16 *flags)
670 {
671         if (wpa_s->driver->get_hw_feature_data)
672                 return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
673                                                           num_modes, flags);
674         return NULL;
675 }
676
677 static inline int wpa_drv_set_channel(struct wpa_supplicant *wpa_s,
678                                       wpa_hw_mode phymode, int chan,
679                                       int freq)
680 {
681         if (wpa_s->driver->set_channel)
682                 return wpa_s->driver->set_channel(wpa_s->drv_priv, phymode,
683                                                   chan, freq);
684         return -1;
685 }
686
687 static inline int wpa_drv_set_ssid(struct wpa_supplicant *wpa_s,
688                                    const u8 *ssid, size_t ssid_len)
689 {
690         if (wpa_s->driver->set_ssid) {
691                 return wpa_s->driver->set_ssid(wpa_s->drv_priv, ssid,
692                                                ssid_len);
693         }
694         return -1;
695 }
696
697 static inline int wpa_drv_set_bssid(struct wpa_supplicant *wpa_s,
698                                     const u8 *bssid)
699 {
700         if (wpa_s->driver->set_bssid) {
701                 return wpa_s->driver->set_bssid(wpa_s->drv_priv, bssid);
702         }
703         return -1;
704 }
705
706 static inline int wpa_drv_set_country(struct wpa_supplicant *wpa_s,
707                                       const char *alpha2)
708 {
709         if (wpa_s->driver->set_country)
710                 return wpa_s->driver->set_country(wpa_s->drv_priv, alpha2);
711         return 0;
712 }
713
714 static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
715                                     const u8 *data, size_t data_len)
716 {
717         if (wpa_s->driver->send_mlme)
718                 return wpa_s->driver->send_mlme(wpa_s->drv_priv,
719                                                 data, data_len);
720         return -1;
721 }
722
723 static inline int wpa_drv_mlme_add_sta(struct wpa_supplicant *wpa_s,
724                                        const u8 *addr, const u8 *supp_rates,
725                                        size_t supp_rates_len)
726 {
727         if (wpa_s->driver->mlme_add_sta)
728                 return wpa_s->driver->mlme_add_sta(wpa_s->drv_priv, addr,
729                                                    supp_rates, supp_rates_len);
730         return -1;
731 }
732
733 static inline int wpa_drv_mlme_remove_sta(struct wpa_supplicant *wpa_s,
734                                           const u8 *addr)
735 {
736         if (wpa_s->driver->mlme_remove_sta)
737                 return wpa_s->driver->mlme_remove_sta(wpa_s->drv_priv, addr);
738         return -1;
739 }
740
741 static inline int wpa_drv_update_ft_ies(struct wpa_supplicant *wpa_s,
742                                         const u8 *md,
743                                         const u8 *ies, size_t ies_len)
744 {
745         if (wpa_s->driver->update_ft_ies)
746                 return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md,
747                                                     ies, ies_len);
748         return -1;
749 }
750
751 static inline int wpa_drv_send_ft_action(struct wpa_supplicant *wpa_s,
752                                          u8 action, const u8 *target_ap,
753                                          const u8 *ies, size_t ies_len)
754 {
755         if (wpa_s->driver->send_ft_action)
756                 return wpa_s->driver->send_ft_action(wpa_s->drv_priv, action,
757                                                      target_ap, ies, ies_len);
758         return -1;
759 }
760
761 static inline int wpa_drv_set_probe_req_ie(struct wpa_supplicant *wpa_s,
762                                            const u8 *ies, size_t ies_len)
763 {
764         if (wpa_s->driver->set_probe_req_ie)
765                 return wpa_s->driver->set_probe_req_ie(wpa_s->drv_priv, ies,
766                                                        ies_len);
767         return -1;
768 }
769
770 #endif /* WPA_SUPPLICANT_I_H */