Merge branch 'vendor/GCC47'
[dragonfly.git] / contrib / wpa_supplicant / 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
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 /**
162  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
163  *
164  * This structure is initialized by calling wpa_supplicant_init() when starting
165  * %wpa_supplicant.
166  */
167 struct wpa_global {
168         struct wpa_supplicant *ifaces;
169         struct wpa_params params;
170         struct ctrl_iface_global_priv *ctrl_iface;
171         struct ctrl_iface_dbus_priv *dbus_ctrl_iface;
172         void **drv_priv;
173         size_t drv_count;
174 };
175
176
177 struct wpa_client_mlme {
178 #ifdef CONFIG_CLIENT_MLME
179         enum {
180                 IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
181                 IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
182                 IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
183         } state;
184         u8 prev_bssid[ETH_ALEN];
185         u8 ssid[32];
186         size_t ssid_len;
187         u16 aid;
188         u16 ap_capab, capab;
189         u8 *extra_ie; /* to be added to the end of AssocReq */
190         size_t extra_ie_len;
191         u8 *extra_probe_ie; /* to be added to the end of ProbeReq */
192         size_t extra_probe_ie_len;
193         wpa_key_mgmt key_mgmt;
194
195         /* The last AssocReq/Resp IEs */
196         u8 *assocreq_ies, *assocresp_ies;
197         size_t assocreq_ies_len, assocresp_ies_len;
198
199         int auth_tries, assoc_tries;
200
201         unsigned int ssid_set:1;
202         unsigned int bssid_set:1;
203         unsigned int prev_bssid_set:1;
204         unsigned int authenticated:1;
205         unsigned int associated:1;
206         unsigned int probereq_poll:1;
207         unsigned int use_protection:1;
208         unsigned int create_ibss:1;
209         unsigned int mixed_cell:1;
210         unsigned int wmm_enabled:1;
211
212         struct os_time last_probe;
213
214 #define IEEE80211_AUTH_ALG_OPEN BIT(0)
215 #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
216 #define IEEE80211_AUTH_ALG_LEAP BIT(2)
217         unsigned int auth_algs; /* bitfield of allowed auth algs */
218         int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
219         int auth_transaction;
220
221         struct os_time ibss_join_req;
222         u8 *probe_resp; /* ProbeResp template for IBSS */
223         size_t probe_resp_len;
224         u32 supp_rates_bits;
225
226         int wmm_last_param_set;
227
228         int sta_scanning;
229         int scan_hw_mode_idx;
230         int scan_channel_idx;
231         enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
232         struct os_time last_scan_completed;
233         int scan_oper_channel;
234         int scan_oper_freq;
235         int scan_oper_phymode;
236         u8 scan_ssid[32];
237         size_t scan_ssid_len;
238         int scan_skip_11b;
239
240         struct ieee80211_sta_bss *sta_bss_list;
241 #define STA_HASH_SIZE 256
242 #define STA_HASH(sta) (sta[5])
243         struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
244
245         int cts_protect_erp_frames;
246
247         int phymode; /* current mode; WPA_MODE_IEEE80211A, .. */
248         struct wpa_hw_modes *modes;
249         size_t num_modes;
250         unsigned int hw_modes; /* bitfield of allowed hardware modes;
251                                 * (1 << MODE_*) */
252         int num_curr_rates;
253         struct wpa_rate_data *curr_rates;
254         int freq; /* The current frequency in MHz */
255         int channel; /* The current IEEE 802.11 channel number */
256
257 #ifdef CONFIG_IEEE80211R
258         u8 current_md[6];
259         u8 *ft_ies;
260         size_t ft_ies_len;
261 #endif /* CONFIG_IEEE80211R */
262
263 #else /* CONFIG_CLIENT_MLME */
264         int dummy; /* to keep MSVC happy */
265 #endif /* CONFIG_CLIENT_MLME */
266 };
267
268 /**
269  * struct wpa_supplicant - Internal data for wpa_supplicant interface
270  *
271  * This structure contains the internal data for core wpa_supplicant code. This
272  * should be only used directly from the core code. However, a pointer to this
273  * data is used from other files as an arbitrary context pointer in calls to
274  * core functions.
275  */
276 struct wpa_supplicant {
277         struct wpa_global *global;
278         struct wpa_supplicant *next;
279         struct l2_packet_data *l2;
280         struct l2_packet_data *l2_br;
281         unsigned char own_addr[ETH_ALEN];
282         char ifname[100];
283 #ifdef CONFIG_CTRL_IFACE_DBUS
284         char *dbus_path;
285 #endif /* CONFIG_CTRL_IFACE_DBUS */
286         char bridge_ifname[16];
287
288         char *confname;
289         struct wpa_config *conf;
290         int countermeasures;
291         os_time_t last_michael_mic_error;
292         u8 bssid[ETH_ALEN];
293         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
294                                      * field contains the targer BSSID. */
295         int reassociate; /* reassociation requested */
296         int disconnected; /* all connections disabled; i.e., do no reassociate
297                            * before this has been cleared */
298         struct wpa_ssid *current_ssid;
299         int ap_ies_from_associnfo;
300
301         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
302         int pairwise_cipher;
303         int group_cipher;
304         int key_mgmt;
305         int mgmt_group_cipher;
306
307         void *drv_priv; /* private data used by driver_ops */
308         void *global_drv_priv;
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 scanning;
330         int new_connection;
331         int reassociated_connection;
332
333         int eapol_received; /* number of EAPOL packets received after the
334                              * previous association event */
335
336         struct scard_data *scard;
337
338         unsigned char last_eapol_src[ETH_ALEN];
339
340         int keys_cleared;
341
342         struct wpa_blacklist *blacklist;
343
344         int scan_req; /* manual scan request; this forces a scan even if there
345                        * are no enabled networks in the configuration */
346         int scan_res_tried; /* whether ap_scan=1 mode has tried to fetch scan
347                              * results without a new scan request; this is used
348                              * to speed up the first association if the driver
349                              * has already available scan results. */
350         int scan_runs; /* number of scan runs since WPS was started */
351
352         struct wpa_client_mlme mlme;
353         int use_client_mlme;
354         int driver_4way_handshake;
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 wpabuf *pending_eapol_rx;
365         struct os_time pending_eapol_rx_time;
366         u8 pending_eapol_rx_src[ETH_ALEN];
367 };
368
369
370 /* wpa_supplicant.c */
371 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
372
373 const char * wpa_supplicant_state_txt(int state);
374 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
375 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
376                               struct wpa_scan_res *bss,
377                               struct wpa_ssid *ssid,
378                               u8 *wpa_ie, size_t *wpa_ie_len);
379 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
380                               struct wpa_scan_res *bss,
381                               struct wpa_ssid *ssid);
382 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
383                                        struct wpa_ssid *ssid);
384 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
385 int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
386 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
387 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
388                                      int sec, int usec);
389 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
390 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
391 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
392 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
393                                    int reason_code);
394 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
395                                  int reason_code);
396
397 void wpa_show_license(void);
398
399 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
400                                                  struct wpa_interface *iface);
401 int wpa_supplicant_remove_iface(struct wpa_global *global,
402                                 struct wpa_supplicant *wpa_s);
403 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
404                                                  const char *ifname);
405 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
406 int wpa_supplicant_run(struct wpa_global *global);
407 void wpa_supplicant_deinit(struct wpa_global *global);
408
409 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
410                               struct wpa_ssid *ssid);
411
412 /* scan.c */
413 int wpa_supplicant_enabled_networks(struct wpa_config *conf);
414 void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
415 void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
416 void wpa_supplicant_notify_scanning(struct wpa_supplicant *wpa_s,
417                                     int scanning);
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,
428                                             wpa_s->global_drv_priv);
429         if (wpa_s->driver->init) {
430                 return wpa_s->driver->init(wpa_s, ifname);
431         }
432         return NULL;
433 }
434
435 static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
436 {
437         if (wpa_s->driver->deinit)
438                 wpa_s->driver->deinit(wpa_s->drv_priv);
439 }
440
441 static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
442                                     const char *param)
443 {
444         if (wpa_s->driver->set_param)
445                 return wpa_s->driver->set_param(wpa_s->drv_priv, param);
446         return 0;
447 }
448
449 static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
450                                                int enabled)
451 {
452         if (wpa_s->driver->set_drop_unencrypted) {
453                 return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
454                                                            enabled);
455         }
456         return -1;
457 }
458
459 static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
460                                               int enabled)
461 {
462         if (wpa_s->driver->set_countermeasures) {
463                 return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
464                                                           enabled);
465         }
466         return -1;
467 }
468
469 static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
470                                        int auth_alg)
471 {
472         if (wpa_s->driver->set_auth_alg) {
473                 return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
474                                                    auth_alg);
475         }
476         return -1;
477 }
478
479 static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
480 {
481         if (wpa_s->driver->set_wpa) {
482                 return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
483         }
484         return 0;
485 }
486
487 static inline int wpa_drv_set_mode(struct wpa_supplicant *wpa_s, int mode)
488 {
489         if (wpa_s->driver->set_mode) {
490                 return wpa_s->driver->set_mode(wpa_s->drv_priv, mode);
491         }
492         return 0;
493 }
494
495 static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
496                                     struct wpa_driver_associate_params *params)
497 {
498         if (wpa_s->driver->associate) {
499                 return wpa_s->driver->associate(wpa_s->drv_priv, params);
500         }
501         return -1;
502 }
503
504 static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s, const u8 *ssid,
505                                size_t ssid_len)
506 {
507         if (wpa_s->driver->scan) {
508                 return wpa_s->driver->scan(wpa_s->drv_priv, ssid, ssid_len);
509         }
510         return -1;
511 }
512
513 static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
514                                            struct wpa_scan_result *results,
515                                            size_t max_size)
516 {
517         if (wpa_s->driver->get_scan_results) {
518                 return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
519                                                        results, max_size);
520         }
521         return -1;
522 }
523
524 static inline struct wpa_scan_results * wpa_drv_get_scan_results2(
525         struct wpa_supplicant *wpa_s)
526 {
527         if (wpa_s->driver->get_scan_results2)
528                 return wpa_s->driver->get_scan_results2(wpa_s->drv_priv);
529         return NULL;
530 }
531
532 static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
533 {
534         if (wpa_s->driver->get_bssid) {
535                 return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
536         }
537         return -1;
538 }
539
540 static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
541 {
542         if (wpa_s->driver->get_ssid) {
543                 return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
544         }
545         return -1;
546 }
547
548 static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, wpa_alg alg,
549                                    const u8 *addr, int key_idx, int set_tx,
550                                    const u8 *seq, size_t seq_len,
551                                    const u8 *key, size_t key_len)
552 {
553         if (wpa_s->driver->set_key) {
554                 wpa_s->keys_cleared = 0;
555                 return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
556                                               key_idx, set_tx, seq, seq_len,
557                                               key, key_len);
558         }
559         return -1;
560 }
561
562 static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
563                                          const u8 *addr, int reason_code)
564 {
565         if (wpa_s->driver->deauthenticate) {
566                 return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
567                                                      reason_code);
568         }
569         return -1;
570 }
571
572 static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
573                                        const u8 *addr, int reason_code)
574 {
575         if (wpa_s->driver->disassociate) {
576                 return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
577                                                    reason_code);
578         }
579         return -1;
580 }
581
582 static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
583                                     const u8 *bssid, const u8 *pmkid)
584 {
585         if (wpa_s->driver->add_pmkid) {
586                 return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
587         }
588         return -1;
589 }
590
591 static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
592                                        const u8 *bssid, const u8 *pmkid)
593 {
594         if (wpa_s->driver->remove_pmkid) {
595                 return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
596                                                    pmkid);
597         }
598         return -1;
599 }
600
601 static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
602 {
603         if (wpa_s->driver->flush_pmkid) {
604                 return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
605         }
606         return -1;
607 }
608
609 static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
610                                    struct wpa_driver_capa *capa)
611 {
612         if (wpa_s->driver->get_capa) {
613                 return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
614         }
615         return -1;
616 }
617
618 static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
619 {
620         if (wpa_s->driver->poll) {
621                 wpa_s->driver->poll(wpa_s->drv_priv);
622         }
623 }
624
625 static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
626 {
627         if (wpa_s->driver->get_ifname) {
628                 return wpa_s->driver->get_ifname(wpa_s->drv_priv);
629         }
630         return NULL;
631 }
632
633 static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
634 {
635         if (wpa_s->driver->get_mac_addr) {
636                 return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
637         }
638         return NULL;
639 }
640
641 static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
642                                      const u8 *dst, u16 proto,
643                                      const u8 *data, size_t data_len)
644 {
645         if (wpa_s->driver->send_eapol)
646                 return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
647                                                  data, data_len);
648         return -1;
649 }
650
651 static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
652                                         int state)
653 {
654         if (wpa_s->driver->set_operstate)
655                 return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
656         return 0;
657 }
658
659 static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
660                                              const u8 *addr, int protect_type,
661                                              int key_type)
662 {
663         if (wpa_s->driver->mlme_setprotection)
664                 return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
665                                                          protect_type,
666                                                          key_type);
667         return 0;
668 }
669
670 static inline struct wpa_hw_modes *
671 wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
672                             u16 *flags)
673 {
674         if (wpa_s->driver->get_hw_feature_data)
675                 return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
676                                                           num_modes, flags);
677         return NULL;
678 }
679
680 static inline int wpa_drv_set_channel(struct wpa_supplicant *wpa_s,
681                                       wpa_hw_mode phymode, int chan,
682                                       int freq)
683 {
684         if (wpa_s->driver->set_channel)
685                 return wpa_s->driver->set_channel(wpa_s->drv_priv, phymode,
686                                                   chan, freq);
687         return -1;
688 }
689
690 static inline int wpa_drv_set_ssid(struct wpa_supplicant *wpa_s,
691                                    const u8 *ssid, size_t ssid_len)
692 {
693         if (wpa_s->driver->set_ssid) {
694                 return wpa_s->driver->set_ssid(wpa_s->drv_priv, ssid,
695                                                ssid_len);
696         }
697         return -1;
698 }
699
700 static inline int wpa_drv_set_bssid(struct wpa_supplicant *wpa_s,
701                                     const u8 *bssid)
702 {
703         if (wpa_s->driver->set_bssid) {
704                 return wpa_s->driver->set_bssid(wpa_s->drv_priv, bssid);
705         }
706         return -1;
707 }
708
709 static inline int wpa_drv_set_country(struct wpa_supplicant *wpa_s,
710                                       const char *alpha2)
711 {
712         if (wpa_s->driver->set_country)
713                 return wpa_s->driver->set_country(wpa_s->drv_priv, alpha2);
714         return 0;
715 }
716
717 static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
718                                     const u8 *data, size_t data_len)
719 {
720         if (wpa_s->driver->send_mlme)
721                 return wpa_s->driver->send_mlme(wpa_s->drv_priv,
722                                                 data, data_len);
723         return -1;
724 }
725
726 static inline int wpa_drv_mlme_add_sta(struct wpa_supplicant *wpa_s,
727                                        const u8 *addr, const u8 *supp_rates,
728                                        size_t supp_rates_len)
729 {
730         if (wpa_s->driver->mlme_add_sta)
731                 return wpa_s->driver->mlme_add_sta(wpa_s->drv_priv, addr,
732                                                    supp_rates, supp_rates_len);
733         return -1;
734 }
735
736 static inline int wpa_drv_mlme_remove_sta(struct wpa_supplicant *wpa_s,
737                                           const u8 *addr)
738 {
739         if (wpa_s->driver->mlme_remove_sta)
740                 return wpa_s->driver->mlme_remove_sta(wpa_s->drv_priv, addr);
741         return -1;
742 }
743
744 static inline int wpa_drv_update_ft_ies(struct wpa_supplicant *wpa_s,
745                                         const u8 *md,
746                                         const u8 *ies, size_t ies_len)
747 {
748         if (wpa_s->driver->update_ft_ies)
749                 return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md,
750                                                     ies, ies_len);
751         return -1;
752 }
753
754 static inline int wpa_drv_send_ft_action(struct wpa_supplicant *wpa_s,
755                                          u8 action, const u8 *target_ap,
756                                          const u8 *ies, size_t ies_len)
757 {
758         if (wpa_s->driver->send_ft_action)
759                 return wpa_s->driver->send_ft_action(wpa_s->drv_priv, action,
760                                                      target_ap, ies, ies_len);
761         return -1;
762 }
763
764 static inline int wpa_drv_set_probe_req_ie(struct wpa_supplicant *wpa_s,
765                                            const u8 *ies, size_t ies_len)
766 {
767         if (wpa_s->driver->set_probe_req_ie)
768                 return wpa_s->driver->set_probe_req_ie(wpa_s->drv_priv, ies,
769                                                        ies_len);
770         return -1;
771 }
772
773 #endif /* WPA_SUPPLICANT_I_H */