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