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