Add support for wpa_supplicant syslog output
[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          * wpa_debug_syslog - Enable log output through syslog
163          */
164         int wpa_debug_syslog;
165 };
166
167 /**
168  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
169  *
170  * This structure is initialized by calling wpa_supplicant_init() when starting
171  * %wpa_supplicant.
172  */
173 struct wpa_global {
174         struct wpa_supplicant *ifaces;
175         struct wpa_params params;
176         struct ctrl_iface_global_priv *ctrl_iface;
177         struct ctrl_iface_dbus_priv *dbus_ctrl_iface;
178         void **drv_priv;
179         size_t drv_count;
180 };
181
182
183 struct wpa_client_mlme {
184 #ifdef CONFIG_CLIENT_MLME
185         enum {
186                 IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
187                 IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
188                 IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
189         } state;
190         u8 prev_bssid[ETH_ALEN];
191         u8 ssid[32];
192         size_t ssid_len;
193         u16 aid;
194         u16 ap_capab, capab;
195         u8 *extra_ie; /* to be added to the end of AssocReq */
196         size_t extra_ie_len;
197         u8 *extra_probe_ie; /* to be added to the end of ProbeReq */
198         size_t extra_probe_ie_len;
199         wpa_key_mgmt key_mgmt;
200
201         /* The last AssocReq/Resp IEs */
202         u8 *assocreq_ies, *assocresp_ies;
203         size_t assocreq_ies_len, assocresp_ies_len;
204
205         int auth_tries, assoc_tries;
206
207         unsigned int ssid_set:1;
208         unsigned int bssid_set:1;
209         unsigned int prev_bssid_set:1;
210         unsigned int authenticated:1;
211         unsigned int associated:1;
212         unsigned int probereq_poll:1;
213         unsigned int use_protection:1;
214         unsigned int create_ibss:1;
215         unsigned int mixed_cell:1;
216         unsigned int wmm_enabled:1;
217
218         struct os_time last_probe;
219
220 #define IEEE80211_AUTH_ALG_OPEN BIT(0)
221 #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
222 #define IEEE80211_AUTH_ALG_LEAP BIT(2)
223         unsigned int auth_algs; /* bitfield of allowed auth algs */
224         int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
225         int auth_transaction;
226
227         struct os_time ibss_join_req;
228         u8 *probe_resp; /* ProbeResp template for IBSS */
229         size_t probe_resp_len;
230         u32 supp_rates_bits;
231
232         int wmm_last_param_set;
233
234         int sta_scanning;
235         int scan_hw_mode_idx;
236         int scan_channel_idx;
237         enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
238         struct os_time last_scan_completed;
239         int scan_oper_channel;
240         int scan_oper_freq;
241         int scan_oper_phymode;
242         u8 scan_ssid[32];
243         size_t scan_ssid_len;
244         int scan_skip_11b;
245
246         struct ieee80211_sta_bss *sta_bss_list;
247 #define STA_HASH_SIZE 256
248 #define STA_HASH(sta) (sta[5])
249         struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
250
251         int cts_protect_erp_frames;
252
253         int phymode; /* current mode; WPA_MODE_IEEE80211A, .. */
254         struct wpa_hw_modes *modes;
255         size_t num_modes;
256         unsigned int hw_modes; /* bitfield of allowed hardware modes;
257                                 * (1 << MODE_*) */
258         int num_curr_rates;
259         struct wpa_rate_data *curr_rates;
260         int freq; /* The current frequency in MHz */
261         int channel; /* The current IEEE 802.11 channel number */
262
263 #ifdef CONFIG_IEEE80211R
264         u8 current_md[6];
265         u8 *ft_ies;
266         size_t ft_ies_len;
267 #endif /* CONFIG_IEEE80211R */
268
269 #else /* CONFIG_CLIENT_MLME */
270         int dummy; /* to keep MSVC happy */
271 #endif /* CONFIG_CLIENT_MLME */
272 };
273
274 /**
275  * struct wpa_supplicant - Internal data for wpa_supplicant interface
276  *
277  * This structure contains the internal data for core wpa_supplicant code. This
278  * should be only used directly from the core code. However, a pointer to this
279  * data is used from other files as an arbitrary context pointer in calls to
280  * core functions.
281  */
282 struct wpa_supplicant {
283         struct wpa_global *global;
284         struct wpa_supplicant *next;
285         struct l2_packet_data *l2;
286         struct l2_packet_data *l2_br;
287         unsigned char own_addr[ETH_ALEN];
288         char ifname[100];
289 #ifdef CONFIG_CTRL_IFACE_DBUS
290         char *dbus_path;
291 #endif /* CONFIG_CTRL_IFACE_DBUS */
292         char bridge_ifname[16];
293
294         char *confname;
295         struct wpa_config *conf;
296         int countermeasures;
297         os_time_t last_michael_mic_error;
298         u8 bssid[ETH_ALEN];
299         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
300                                      * field contains the targer BSSID. */
301         int reassociate; /* reassociation requested */
302         int disconnected; /* all connections disabled; i.e., do no reassociate
303                            * before this has been cleared */
304         struct wpa_ssid *current_ssid;
305         int ap_ies_from_associnfo;
306
307         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
308         int pairwise_cipher;
309         int group_cipher;
310         int key_mgmt;
311         int mgmt_group_cipher;
312
313         void *drv_priv; /* private data used by driver_ops */
314
315         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
316                                           * NULL = not yet initialized (start
317                                           * with wildcard SSID)
318                                           * WILDCARD_SSID_SCAN = wildcard
319                                           * SSID was used in the previous scan
320                                           */
321 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
322
323         struct wpa_scan_results *scan_res;
324
325         struct wpa_driver_ops *driver;
326         int interface_removed; /* whether the network interface has been
327                                 * removed */
328         struct wpa_sm *wpa;
329         struct eapol_sm *eapol;
330
331         struct ctrl_iface_priv *ctrl_iface;
332
333         wpa_states wpa_state;
334         int new_connection;
335         int reassociated_connection;
336
337         int eapol_received; /* number of EAPOL packets received after the
338                              * previous association event */
339
340         struct scard_data *scard;
341
342         unsigned char last_eapol_src[ETH_ALEN];
343
344         int keys_cleared;
345
346         struct wpa_blacklist *blacklist;
347
348         int scan_req; /* manual scan request; this forces a scan even if there
349                        * are no enabled networks in the configuration */
350         int scan_res_tried; /* whether ap_scan=1 mode has tried to fetch scan
351                              * results without a new scan request; this is used
352                              * to speed up the first association if the driver
353                              * has already available scan results. */
354         int scan_runs; /* number of scan runs since WPS was started */
355
356         struct wpa_client_mlme mlme;
357         int use_client_mlme;
358         int driver_4way_handshake;
359         int max_scan_ssids;
360
361         int pending_mic_error_report;
362         int pending_mic_error_pairwise;
363         int mic_errors_seen; /* Michael MIC errors with the current PTK */
364
365         struct wps_context *wps;
366         int wps_success; /* WPS success event received */
367         int blacklist_cleared;
368
369         struct ibss_rsn *ibss_rsn;
370 };
371
372
373 /* wpa_supplicant.c */
374 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
375
376 const char * wpa_supplicant_state_txt(int state);
377 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
378 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
379                               struct wpa_scan_res *bss,
380                               struct wpa_ssid *ssid,
381                               u8 *wpa_ie, size_t *wpa_ie_len);
382 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
383                               struct wpa_scan_res *bss,
384                               struct wpa_ssid *ssid);
385 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
386                                        struct wpa_ssid *ssid);
387 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
388 int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
389 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
390 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
391                                      int sec, int usec);
392 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
393 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
394 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
395 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
396                                    int reason_code);
397 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
398                                  int reason_code);
399
400 void wpa_show_license(void);
401
402 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
403                                                  struct wpa_interface *iface);
404 int wpa_supplicant_remove_iface(struct wpa_global *global,
405                                 struct wpa_supplicant *wpa_s);
406 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
407                                                  const char *ifname);
408 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
409 int wpa_supplicant_run(struct wpa_global *global);
410 void wpa_supplicant_deinit(struct wpa_global *global);
411
412 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
413                               struct wpa_ssid *ssid);
414
415 /* scan.c */
416 void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
417 void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
418
419 /* events.c */
420 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
421
422 /* driver_ops */
423 static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
424                                   const char *ifname)
425 {
426         if (wpa_s->driver->init2)
427                 return wpa_s->driver->init2(wpa_s, ifname, wpa_s->global);
428         if (wpa_s->driver->init) {
429                 return wpa_s->driver->init(wpa_s, ifname);
430         }
431         return NULL;
432 }
433
434 static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
435 {
436         if (wpa_s->driver->deinit)
437                 wpa_s->driver->deinit(wpa_s->drv_priv);
438 }
439
440 static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
441                                     const char *param)
442 {
443         if (wpa_s->driver->set_param)
444                 return wpa_s->driver->set_param(wpa_s->drv_priv, param);
445         return 0;
446 }
447
448 static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
449                                                int enabled)
450 {
451         if (wpa_s->driver->set_drop_unencrypted) {
452                 return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
453                                                            enabled);
454         }
455         return -1;
456 }
457
458 static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
459                                               int enabled)
460 {
461         if (wpa_s->driver->set_countermeasures) {
462                 return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
463                                                           enabled);
464         }
465         return -1;
466 }
467
468 static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
469                                        int auth_alg)
470 {
471         if (wpa_s->driver->set_auth_alg) {
472                 return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
473                                                    auth_alg);
474         }
475         return -1;
476 }
477
478 static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
479 {
480         if (wpa_s->driver->set_wpa) {
481                 return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
482         }
483         return 0;
484 }
485
486 static inline int wpa_drv_set_mode(struct wpa_supplicant *wpa_s, int mode)
487 {
488         if (wpa_s->driver->set_mode) {
489                 return wpa_s->driver->set_mode(wpa_s->drv_priv, mode);
490         }
491         return 0;
492 }
493
494 static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
495                                     struct wpa_driver_associate_params *params)
496 {
497         if (wpa_s->driver->associate) {
498                 return wpa_s->driver->associate(wpa_s->drv_priv, params);
499         }
500         return -1;
501 }
502
503 static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s,
504                                struct wpa_driver_scan_params *params)
505 {
506         if (wpa_s->driver->scan2)
507                 return wpa_s->driver->scan2(wpa_s->drv_priv, params);
508         if (wpa_s->driver->scan)
509                 return wpa_s->driver->scan(wpa_s->drv_priv,
510                                            params->ssids[0].ssid,
511                                            params->ssids[0].ssid_len);
512         return -1;
513 }
514
515 static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
516                                            struct wpa_scan_result *results,
517                                            size_t max_size)
518 {
519         if (wpa_s->driver->get_scan_results) {
520                 return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
521                                                        results, max_size);
522         }
523         return -1;
524 }
525
526 static inline struct wpa_scan_results * wpa_drv_get_scan_results2(
527         struct wpa_supplicant *wpa_s)
528 {
529         if (wpa_s->driver->get_scan_results2)
530                 return wpa_s->driver->get_scan_results2(wpa_s->drv_priv);
531         return NULL;
532 }
533
534 static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
535 {
536         if (wpa_s->driver->get_bssid) {
537                 return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
538         }
539         return -1;
540 }
541
542 static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
543 {
544         if (wpa_s->driver->get_ssid) {
545                 return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
546         }
547         return -1;
548 }
549
550 static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, wpa_alg alg,
551                                    const u8 *addr, int key_idx, int set_tx,
552                                    const u8 *seq, size_t seq_len,
553                                    const u8 *key, size_t key_len)
554 {
555         if (wpa_s->driver->set_key) {
556                 wpa_s->keys_cleared = 0;
557                 return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
558                                               key_idx, set_tx, seq, seq_len,
559                                               key, key_len);
560         }
561         return -1;
562 }
563
564 static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
565                                          const u8 *addr, int reason_code)
566 {
567         if (wpa_s->driver->deauthenticate) {
568                 return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
569                                                      reason_code);
570         }
571         return -1;
572 }
573
574 static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
575                                        const u8 *addr, int reason_code)
576 {
577         if (wpa_s->driver->disassociate) {
578                 return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
579                                                    reason_code);
580         }
581         return -1;
582 }
583
584 static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
585                                     const u8 *bssid, const u8 *pmkid)
586 {
587         if (wpa_s->driver->add_pmkid) {
588                 return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
589         }
590         return -1;
591 }
592
593 static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
594                                        const u8 *bssid, const u8 *pmkid)
595 {
596         if (wpa_s->driver->remove_pmkid) {
597                 return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
598                                                    pmkid);
599         }
600         return -1;
601 }
602
603 static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
604 {
605         if (wpa_s->driver->flush_pmkid) {
606                 return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
607         }
608         return -1;
609 }
610
611 static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
612                                    struct wpa_driver_capa *capa)
613 {
614         if (wpa_s->driver->get_capa) {
615                 return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
616         }
617         return -1;
618 }
619
620 static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
621 {
622         if (wpa_s->driver->poll) {
623                 wpa_s->driver->poll(wpa_s->drv_priv);
624         }
625 }
626
627 static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
628 {
629         if (wpa_s->driver->get_ifname) {
630                 return wpa_s->driver->get_ifname(wpa_s->drv_priv);
631         }
632         return NULL;
633 }
634
635 static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
636 {
637         if (wpa_s->driver->get_mac_addr) {
638                 return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
639         }
640         return NULL;
641 }
642
643 static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
644                                      const u8 *dst, u16 proto,
645                                      const u8 *data, size_t data_len)
646 {
647         if (wpa_s->driver->send_eapol)
648                 return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
649                                                  data, data_len);
650         return -1;
651 }
652
653 static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
654                                         int state)
655 {
656         if (wpa_s->driver->set_operstate)
657                 return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
658         return 0;
659 }
660
661 static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
662                                              const u8 *addr, int protect_type,
663                                              int key_type)
664 {
665         if (wpa_s->driver->mlme_setprotection)
666                 return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
667                                                          protect_type,
668                                                          key_type);
669         return 0;
670 }
671
672 static inline struct wpa_hw_modes *
673 wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
674                             u16 *flags)
675 {
676         if (wpa_s->driver->get_hw_feature_data)
677                 return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
678                                                           num_modes, flags);
679         return NULL;
680 }
681
682 static inline int wpa_drv_set_channel(struct wpa_supplicant *wpa_s,
683                                       wpa_hw_mode phymode, int chan,
684                                       int freq)
685 {
686         if (wpa_s->driver->set_channel)
687                 return wpa_s->driver->set_channel(wpa_s->drv_priv, phymode,
688                                                   chan, freq);
689         return -1;
690 }
691
692 static inline int wpa_drv_set_ssid(struct wpa_supplicant *wpa_s,
693                                    const u8 *ssid, size_t ssid_len)
694 {
695         if (wpa_s->driver->set_ssid) {
696                 return wpa_s->driver->set_ssid(wpa_s->drv_priv, ssid,
697                                                ssid_len);
698         }
699         return -1;
700 }
701
702 static inline int wpa_drv_set_bssid(struct wpa_supplicant *wpa_s,
703                                     const u8 *bssid)
704 {
705         if (wpa_s->driver->set_bssid) {
706                 return wpa_s->driver->set_bssid(wpa_s->drv_priv, bssid);
707         }
708         return -1;
709 }
710
711 static inline int wpa_drv_set_country(struct wpa_supplicant *wpa_s,
712                                       const char *alpha2)
713 {
714         if (wpa_s->driver->set_country)
715                 return wpa_s->driver->set_country(wpa_s->drv_priv, alpha2);
716         return 0;
717 }
718
719 static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
720                                     const u8 *data, size_t data_len)
721 {
722         if (wpa_s->driver->send_mlme)
723                 return wpa_s->driver->send_mlme(wpa_s->drv_priv,
724                                                 data, data_len);
725         return -1;
726 }
727
728 static inline int wpa_drv_mlme_add_sta(struct wpa_supplicant *wpa_s,
729                                        const u8 *addr, const u8 *supp_rates,
730                                        size_t supp_rates_len)
731 {
732         if (wpa_s->driver->mlme_add_sta)
733                 return wpa_s->driver->mlme_add_sta(wpa_s->drv_priv, addr,
734                                                    supp_rates, supp_rates_len);
735         return -1;
736 }
737
738 static inline int wpa_drv_mlme_remove_sta(struct wpa_supplicant *wpa_s,
739                                           const u8 *addr)
740 {
741         if (wpa_s->driver->mlme_remove_sta)
742                 return wpa_s->driver->mlme_remove_sta(wpa_s->drv_priv, addr);
743         return -1;
744 }
745
746 static inline int wpa_drv_update_ft_ies(struct wpa_supplicant *wpa_s,
747                                         const u8 *md,
748                                         const u8 *ies, size_t ies_len)
749 {
750         if (wpa_s->driver->update_ft_ies)
751                 return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md,
752                                                     ies, ies_len);
753         return -1;
754 }
755
756 static inline int wpa_drv_send_ft_action(struct wpa_supplicant *wpa_s,
757                                          u8 action, const u8 *target_ap,
758                                          const u8 *ies, size_t ies_len)
759 {
760         if (wpa_s->driver->send_ft_action)
761                 return wpa_s->driver->send_ft_action(wpa_s->drv_priv, action,
762                                                      target_ap, ies, ies_len);
763         return -1;
764 }
765
766 static inline int wpa_drv_set_probe_req_ie(struct wpa_supplicant *wpa_s,
767                                            const u8 *ies, size_t ies_len)
768 {
769         if (wpa_s->driver->set_probe_req_ie)
770                 return wpa_s->driver->set_probe_req_ie(wpa_s->drv_priv, ies,
771                                                        ies_len);
772         return -1;
773 }
774
775 #endif /* WPA_SUPPLICANT_I_H */