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