contrib/wpa/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          * 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         void *global_drv_priv;
 314
 315         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 316                                           * NULL = not yet initialized (start
 317                                           * with broadcast SSID)
 318                                           * BROADCAST_SSID_SCAN = broadcast
 319                                           * SSID was used in the previous scan
 320                                           */
 321 #define BROADCAST_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 scanning;
 335         int new_connection;
 336         int reassociated_connection;
 337
 338         int eapol_received; /* number of EAPOL packets received after the
 339                              * previous association event */
 340
 341         struct scard_data *scard;
 342
 343         unsigned char last_eapol_src[ETH_ALEN];
 344
 345         int keys_cleared;
 346
 347         struct wpa_blacklist *blacklist;
 348
 349         int scan_req; /* manual scan request; this forces a scan even if there
 350                        * are no enabled networks in the configuration */
 351         int scan_res_tried; /* whether ap_scan=1 mode has tried to fetch scan
 352                              * results without a new scan request; this is used
 353                              * to speed up the first association if the driver
 354                              * has already available scan results. */
 355         int scan_runs; /* number of scan runs since WPS was started */
 356
 357         struct wpa_client_mlme mlme;
 358         int use_client_mlme;
 359         int driver_4way_handshake;
 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 wpabuf *pending_eapol_rx;
 370         struct os_time pending_eapol_rx_time;
 371         u8 pending_eapol_rx_src[ETH_ALEN];
 372 };
 373
 374
 375 /* wpa_supplicant.c */
 376 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 377
 378 const char * wpa_supplicant_state_txt(int state);
 379 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 380 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 381                               struct wpa_scan_res *bss,
 382                               struct wpa_ssid *ssid,
 383                               u8 *wpa_ie, size_t *wpa_ie_len);
 384 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 385                               struct wpa_scan_res *bss,
 386                               struct wpa_ssid *ssid);
 387 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 388                                        struct wpa_ssid *ssid);
 389 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 390 int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
 391 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 392 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 393                                      int sec, int usec);
 394 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
 395 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 396 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 397 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 398                                    int reason_code);
 399 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
 400                                  int reason_code);
 401
 402 void wpa_show_license(void);
 403
 404 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 405                                                  struct wpa_interface *iface);
 406 int wpa_supplicant_remove_iface(struct wpa_global *global,
 407                                 struct wpa_supplicant *wpa_s);
 408 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 409                                                  const char *ifname);
 410 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
 411 int wpa_supplicant_run(struct wpa_global *global);
 412 void wpa_supplicant_deinit(struct wpa_global *global);
 413
 414 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 415                               struct wpa_ssid *ssid);
 416
 417 /* scan.c */
 418 int wpa_supplicant_enabled_networks(struct wpa_config *conf);
 419 void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
 420 void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
 421 void wpa_supplicant_notify_scanning(struct wpa_supplicant *wpa_s,
 422                                     int scanning);
 423
 424 /* events.c */
 425 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
 426
 427 /* driver_ops */
 428 static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
 429                                   const char *ifname)
 430 {
 431         if (wpa_s->driver->init2)
 432                 return wpa_s->driver->init2(wpa_s, ifname,
 433                                             wpa_s->global_drv_priv);
 434         if (wpa_s->driver->init) {
 435                 return wpa_s->driver->init(wpa_s, ifname);
 436         }
 437         return NULL;
 438 }
 439
 440 static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
 441 {
 442         if (wpa_s->driver->deinit)
 443                 wpa_s->driver->deinit(wpa_s->drv_priv);
 444 }
 445
 446 static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
 447                                     const char *param)
 448 {
 449         if (wpa_s->driver->set_param)
 450                 return wpa_s->driver->set_param(wpa_s->drv_priv, param);
 451         return 0;
 452 }
 453
 454 static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
 455                                                int enabled)
 456 {
 457         if (wpa_s->driver->set_drop_unencrypted) {
 458                 return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
 459                                                            enabled);
 460         }
 461         return -1;
 462 }
 463
 464 static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
 465                                               int enabled)
 466 {
 467         if (wpa_s->driver->set_countermeasures) {
 468                 return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
 469                                                           enabled);
 470         }
 471         return -1;
 472 }
 473
 474 static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
 475                                        int auth_alg)
 476 {
 477         if (wpa_s->driver->set_auth_alg) {
 478                 return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
 479                                                    auth_alg);
 480         }
 481         return -1;
 482 }
 483
 484 static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
 485 {
 486         if (wpa_s->driver->set_wpa) {
 487                 return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
 488         }
 489         return 0;
 490 }
 491
 492 static inline int wpa_drv_set_mode(struct wpa_supplicant *wpa_s, int mode)
 493 {
 494         if (wpa_s->driver->set_mode) {
 495                 return wpa_s->driver->set_mode(wpa_s->drv_priv, mode);
 496         }
 497         return 0;
 498 }
 499
 500 static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
 501                                     struct wpa_driver_associate_params *params)
 502 {
 503         if (wpa_s->driver->associate) {
 504                 return wpa_s->driver->associate(wpa_s->drv_priv, params);
 505         }
 506         return -1;
 507 }
 508
 509 static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s, const u8 *ssid,
 510                                size_t ssid_len)
 511 {
 512         if (wpa_s->driver->scan) {
 513                 return wpa_s->driver->scan(wpa_s->drv_priv, ssid, ssid_len);
 514         }
 515         return -1;
 516 }
 517
 518 static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
 519                                            struct wpa_scan_result *results,
 520                                            size_t max_size)
 521 {
 522         if (wpa_s->driver->get_scan_results) {
 523                 return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
 524                                                        results, max_size);
 525         }
 526         return -1;
 527 }
 528
 529 static inline struct wpa_scan_results * wpa_drv_get_scan_results2(
 530         struct wpa_supplicant *wpa_s)
 531 {
 532         if (wpa_s->driver->get_scan_results2)
 533                 return wpa_s->driver->get_scan_results2(wpa_s->drv_priv);
 534         return NULL;
 535 }
 536
 537 static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
 538 {
 539         if (wpa_s->driver->get_bssid) {
 540                 return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
 541         }
 542         return -1;
 543 }
 544
 545 static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
 546 {
 547         if (wpa_s->driver->get_ssid) {
 548                 return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
 549         }
 550         return -1;
 551 }
 552
 553 static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, wpa_alg alg,
 554                                    const u8 *addr, int key_idx, int set_tx,
 555                                    const u8 *seq, size_t seq_len,
 556                                    const u8 *key, size_t key_len)
 557 {
 558         if (wpa_s->driver->set_key) {
 559                 wpa_s->keys_cleared = 0;
 560                 return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
 561                                               key_idx, set_tx, seq, seq_len,
 562                                               key, key_len);
 563         }
 564         return -1;
 565 }
 566
 567 static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
 568                                          const u8 *addr, int reason_code)
 569 {
 570         if (wpa_s->driver->deauthenticate) {
 571                 return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
 572                                                      reason_code);
 573         }
 574         return -1;
 575 }
 576
 577 static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
 578                                        const u8 *addr, int reason_code)
 579 {
 580         if (wpa_s->driver->disassociate) {
 581                 return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
 582                                                    reason_code);
 583         }
 584         return -1;
 585 }
 586
 587 static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
 588                                     const u8 *bssid, const u8 *pmkid)
 589 {
 590         if (wpa_s->driver->add_pmkid) {
 591                 return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
 592         }
 593         return -1;
 594 }
 595
 596 static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
 597                                        const u8 *bssid, const u8 *pmkid)
 598 {
 599         if (wpa_s->driver->remove_pmkid) {
 600                 return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
 601                                                    pmkid);
 602         }
 603         return -1;
 604 }
 605
 606 static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
 607 {
 608         if (wpa_s->driver->flush_pmkid) {
 609                 return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
 610         }
 611         return -1;
 612 }
 613
 614 static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
 615                                    struct wpa_driver_capa *capa)
 616 {
 617         if (wpa_s->driver->get_capa) {
 618                 return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
 619         }
 620         return -1;
 621 }
 622
 623 static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
 624 {
 625         if (wpa_s->driver->poll) {
 626                 wpa_s->driver->poll(wpa_s->drv_priv);
 627         }
 628 }
 629
 630 static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
 631 {
 632         if (wpa_s->driver->get_ifname) {
 633                 return wpa_s->driver->get_ifname(wpa_s->drv_priv);
 634         }
 635         return NULL;
 636 }
 637
 638 static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
 639 {
 640         if (wpa_s->driver->get_mac_addr) {
 641                 return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
 642         }
 643         return NULL;
 644 }
 645
 646 static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
 647                                      const u8 *dst, u16 proto,
 648                                      const u8 *data, size_t data_len)
 649 {
 650         if (wpa_s->driver->send_eapol)
 651                 return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
 652                                                  data, data_len);
 653         return -1;
 654 }
 655
 656 static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
 657                                         int state)
 658 {
 659         if (wpa_s->driver->set_operstate)
 660                 return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
 661         return 0;
 662 }
 663
 664 static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
 665                                              const u8 *addr, int protect_type,
 666                                              int key_type)
 667 {
 668         if (wpa_s->driver->mlme_setprotection)
 669                 return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
 670                                                          protect_type,
 671                                                          key_type);
 672         return 0;
 673 }
 674
 675 static inline struct wpa_hw_modes *
 676 wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
 677                             u16 *flags)
 678 {
 679         if (wpa_s->driver->get_hw_feature_data)
 680                 return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
 681                                                           num_modes, flags);
 682         return NULL;
 683 }
 684
 685 static inline int wpa_drv_set_channel(struct wpa_supplicant *wpa_s,
 686                                       wpa_hw_mode phymode, int chan,
 687                                       int freq)
 688 {
 689         if (wpa_s->driver->set_channel)
 690                 return wpa_s->driver->set_channel(wpa_s->drv_priv, phymode,
 691                                                   chan, freq);
 692         return -1;
 693 }
 694
 695 static inline int wpa_drv_set_ssid(struct wpa_supplicant *wpa_s,
 696                                    const u8 *ssid, size_t ssid_len)
 697 {
 698         if (wpa_s->driver->set_ssid) {
 699                 return wpa_s->driver->set_ssid(wpa_s->drv_priv, ssid,
 700                                                ssid_len);
 701         }
 702         return -1;
 703 }
 704
 705 static inline int wpa_drv_set_bssid(struct wpa_supplicant *wpa_s,
 706                                     const u8 *bssid)
 707 {
 708         if (wpa_s->driver->set_bssid) {
 709                 return wpa_s->driver->set_bssid(wpa_s->drv_priv, bssid);
 710         }
 711         return -1;
 712 }
 713
 714 static inline int wpa_drv_set_country(struct wpa_supplicant *wpa_s,
 715                                       const char *alpha2)
 716 {
 717         if (wpa_s->driver->set_country)
 718                 return wpa_s->driver->set_country(wpa_s->drv_priv, alpha2);
 719         return 0;
 720 }
 721
 722 static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
 723                                     const u8 *data, size_t data_len)
 724 {
 725         if (wpa_s->driver->send_mlme)
 726                 return wpa_s->driver->send_mlme(wpa_s->drv_priv,
 727                                                 data, data_len);
 728         return -1;
 729 }
 730
 731 static inline int wpa_drv_mlme_add_sta(struct wpa_supplicant *wpa_s,
 732                                        const u8 *addr, const u8 *supp_rates,
 733                                        size_t supp_rates_len)
 734 {
 735         if (wpa_s->driver->mlme_add_sta)
 736                 return wpa_s->driver->mlme_add_sta(wpa_s->drv_priv, addr,
 737                                                    supp_rates, supp_rates_len);
 738         return -1;
 739 }
 740
 741 static inline int wpa_drv_mlme_remove_sta(struct wpa_supplicant *wpa_s,
 742                                           const u8 *addr)
 743 {
 744         if (wpa_s->driver->mlme_remove_sta)
 745                 return wpa_s->driver->mlme_remove_sta(wpa_s->drv_priv, addr);
 746         return -1;
 747 }
 748
 749 static inline int wpa_drv_update_ft_ies(struct wpa_supplicant *wpa_s,
 750                                         const u8 *md,
 751                                         const u8 *ies, size_t ies_len)
 752 {
 753         if (wpa_s->driver->update_ft_ies)
 754                 return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md,
 755                                                     ies, ies_len);
 756         return -1;
 757 }
 758
 759 static inline int wpa_drv_send_ft_action(struct wpa_supplicant *wpa_s,
 760                                          u8 action, const u8 *target_ap,
 761                                          const u8 *ies, size_t ies_len)
 762 {
 763         if (wpa_s->driver->send_ft_action)
 764                 return wpa_s->driver->send_ft_action(wpa_s->drv_priv, action,
 765                                                      target_ap, ies, ies_len);
 766         return -1;
 767 }
 768
 769 static inline int wpa_drv_set_probe_req_ie(struct wpa_supplicant *wpa_s,
 770                                            const u8 *ies, size_t ies_len)
 771 {
 772         if (wpa_s->driver->set_probe_req_ie)
 773                 return wpa_s->driver->set_probe_req_ie(wpa_s->drv_priv, ies,
 774                                                        ies_len);
 775         return -1;
 776 }
 777
 778 #endif /* WPA_SUPPLICANT_I_H */