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         int link_speed;   /* current link speed */
 369         int rssi;         /* current signal level */
 370 #ifdef ANDROID
 371         int scan_interval; /* time between scans when no APs available */
 372 #endif
 373 };
 374
 375
 376 /* wpa_supplicant.c */
 377 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 378
 379 const char * wpa_supplicant_state_txt(int state);
 380 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 381 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 382                               struct wpa_scan_res *bss,
 383                               struct wpa_ssid *ssid,
 384                               u8 *wpa_ie, size_t *wpa_ie_len);
 385 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 386                               struct wpa_scan_res *bss,
 387                               struct wpa_ssid *ssid);
 388 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 389                                        struct wpa_ssid *ssid);
 390 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 391 int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
 392 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 393 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 394                                      int sec, int usec);
 395 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
 396 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 397 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 398 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 399                                    int reason_code);
 400 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
 401                                  int reason_code);
 402
 403 void wpa_show_license(void);
 404
 405 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 406                                                  struct wpa_interface *iface);
 407 int wpa_supplicant_remove_iface(struct wpa_global *global,
 408                                 struct wpa_supplicant *wpa_s);
 409 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 410                                                  const char *ifname);
 411 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
 412 int wpa_supplicant_run(struct wpa_global *global);
 413 void wpa_supplicant_deinit(struct wpa_global *global);
 414
 415 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 416                               struct wpa_ssid *ssid);
 417
 418 /* scan.c */
 419 int wpa_supplicant_enabled_networks(struct wpa_config *conf);
 420 void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
 421 void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
 422 void wpa_supplicant_notify_scanning(struct wpa_supplicant *wpa_s,
 423                                     int scanning);
 424
 425 /* events.c */
 426 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
 427
 428 /* driver_ops */
 429 static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
 430                                   const char *ifname)
 431 {
 432         if (wpa_s->driver->init2)
 433                 return wpa_s->driver->init2(wpa_s, ifname,
 434                                             wpa_s->global_drv_priv);
 435         if (wpa_s->driver->init) {
 436                 return wpa_s->driver->init(wpa_s, ifname);
 437         }
 438         return NULL;
 439 }
 440
 441 static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
 442 {
 443         if (wpa_s->driver->deinit)
 444                 wpa_s->driver->deinit(wpa_s->drv_priv);
 445 }
 446
 447 static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
 448                                     const char *param)
 449 {
 450         if (wpa_s->driver->set_param)
 451                 return wpa_s->driver->set_param(wpa_s->drv_priv, param);
 452         return 0;
 453 }
 454
 455 static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
 456                                                int enabled)
 457 {
 458         if (wpa_s->driver->set_drop_unencrypted) {
 459                 return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
 460                                                            enabled);
 461         }
 462         return -1;
 463 }
 464
 465 static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
 466                                               int enabled)
 467 {
 468         if (wpa_s->driver->set_countermeasures) {
 469                 return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
 470                                                           enabled);
 471         }
 472         return -1;
 473 }
 474
 475 static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
 476                                        int auth_alg)
 477 {
 478         if (wpa_s->driver->set_auth_alg) {
 479                 return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
 480                                                    auth_alg);
 481         }
 482         return -1;
 483 }
 484
 485 static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
 486 {
 487         if (wpa_s->driver->set_wpa) {
 488                 return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
 489         }
 490         return 0;
 491 }
 492
 493 static inline int wpa_drv_set_mode(struct wpa_supplicant *wpa_s, int mode)
 494 {
 495         if (wpa_s->driver->set_mode) {
 496                 return wpa_s->driver->set_mode(wpa_s->drv_priv, mode);
 497         }
 498         return 0;
 499 }
 500
 501 static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
 502                                     struct wpa_driver_associate_params *params)
 503 {
 504         if (wpa_s->driver->associate) {
 505                 return wpa_s->driver->associate(wpa_s->drv_priv, params);
 506         }
 507         return -1;
 508 }
 509
 510 static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s, const u8 *ssid,
 511                                size_t ssid_len)
 512 {
 513         if (wpa_s->driver->scan) {
 514                 return wpa_s->driver->scan(wpa_s->drv_priv, ssid, ssid_len);
 515         }
 516         return -1;
 517 }
 518
 519 static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
 520                                            struct wpa_scan_result *results,
 521                                            size_t max_size)
 522 {
 523         if (wpa_s->driver->get_scan_results) {
 524                 return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
 525                                                        results, max_size);
 526         }
 527         return -1;
 528 }
 529
 530 static inline struct wpa_scan_results * wpa_drv_get_scan_results2(
 531         struct wpa_supplicant *wpa_s)
 532 {
 533         if (wpa_s->driver->get_scan_results2)
 534                 return wpa_s->driver->get_scan_results2(wpa_s->drv_priv);
 535         return NULL;
 536 }
 537
 538 static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
 539 {
 540         if (wpa_s->driver->get_bssid) {
 541                 return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
 542         }
 543         return -1;
 544 }
 545
 546 static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
 547 {
 548         if (wpa_s->driver->get_ssid) {
 549                 return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
 550         }
 551         return -1;
 552 }
 553
 554 static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, wpa_alg alg,
 555                                    const u8 *addr, int key_idx, int set_tx,
 556                                    const u8 *seq, size_t seq_len,
 557                                    const u8 *key, size_t key_len)
 558 {
 559         if (wpa_s->driver->set_key) {
 560                 wpa_s->keys_cleared = 0;
 561                 return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
 562                                               key_idx, set_tx, seq, seq_len,
 563                                               key, key_len);
 564         }
 565         return -1;
 566 }
 567
 568 static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
 569                                          const u8 *addr, int reason_code)
 570 {
 571         if (wpa_s->driver->deauthenticate) {
 572                 return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
 573                                                      reason_code);
 574         }
 575         return -1;
 576 }
 577
 578 static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
 579                                        const u8 *addr, int reason_code)
 580 {
 581         if (wpa_s->driver->disassociate) {
 582                 return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
 583                                                    reason_code);
 584         }
 585         return -1;
 586 }
 587
 588 static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
 589                                     const u8 *bssid, const u8 *pmkid)
 590 {
 591         if (wpa_s->driver->add_pmkid) {
 592                 return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
 593         }
 594         return -1;
 595 }
 596
 597 static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
 598                                        const u8 *bssid, const u8 *pmkid)
 599 {
 600         if (wpa_s->driver->remove_pmkid) {
 601                 return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
 602                                                    pmkid);
 603         }
 604         return -1;
 605 }
 606
 607 static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
 608 {
 609         if (wpa_s->driver->flush_pmkid) {
 610                 return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
 611         }
 612         return -1;
 613 }
 614
 615 static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
 616                                    struct wpa_driver_capa *capa)
 617 {
 618         if (wpa_s->driver->get_capa) {
 619                 return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
 620         }
 621         return -1;
 622 }
 623
 624 static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
 625 {
 626         if (wpa_s->driver->poll) {
 627                 wpa_s->driver->poll(wpa_s->drv_priv);
 628         }
 629 }
 630
 631 static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
 632 {
 633         if (wpa_s->driver->get_ifname) {
 634                 return wpa_s->driver->get_ifname(wpa_s->drv_priv);
 635         }
 636         return NULL;
 637 }
 638
 639 static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
 640 {
 641         if (wpa_s->driver->get_mac_addr) {
 642                 return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
 643         }
 644         return NULL;
 645 }
 646
 647 static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
 648                                      const u8 *dst, u16 proto,
 649                                      const u8 *data, size_t data_len)
 650 {
 651         if (wpa_s->driver->send_eapol)
 652                 return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
 653                                                  data, data_len);
 654         return -1;
 655 }
 656
 657 static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
 658                                         int state)
 659 {
 660         if (wpa_s->driver->set_operstate)
 661                 return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
 662         return 0;
 663 }
 664
 665 static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
 666                                              const u8 *addr, int protect_type,
 667                                              int key_type)
 668 {
 669         if (wpa_s->driver->mlme_setprotection)
 670                 return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
 671                                                          protect_type,
 672                                                          key_type);
 673         return 0;
 674 }
 675
 676 static inline struct wpa_hw_modes *
 677 wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
 678                             u16 *flags)
 679 {
 680         if (wpa_s->driver->get_hw_feature_data)
 681                 return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
 682                                                           num_modes, flags);
 683         return NULL;
 684 }
 685
 686 static inline int wpa_drv_set_channel(struct wpa_supplicant *wpa_s,
 687                                       wpa_hw_mode phymode, int chan,
 688                                       int freq)
 689 {
 690         if (wpa_s->driver->set_channel)
 691                 return wpa_s->driver->set_channel(wpa_s->drv_priv, phymode,
 692                                                   chan, freq);
 693         return -1;
 694 }
 695
 696 static inline int wpa_drv_set_ssid(struct wpa_supplicant *wpa_s,
 697                                    const u8 *ssid, size_t ssid_len)
 698 {
 699         if (wpa_s->driver->set_ssid) {
 700                 return wpa_s->driver->set_ssid(wpa_s->drv_priv, ssid,
 701                                                ssid_len);
 702         }
 703         return -1;
 704 }
 705
 706 static inline int wpa_drv_set_bssid(struct wpa_supplicant *wpa_s,
 707                                     const u8 *bssid)
 708 {
 709         if (wpa_s->driver->set_bssid) {
 710                 return wpa_s->driver->set_bssid(wpa_s->drv_priv, bssid);
 711         }
 712         return -1;
 713 }
 714
 715 static inline int wpa_drv_set_country(struct wpa_supplicant *wpa_s,
 716                                       const char *alpha2)
 717 {
 718         if (wpa_s->driver->set_country)
 719                 return wpa_s->driver->set_country(wpa_s->drv_priv, alpha2);
 720         return 0;
 721 }
 722
 723 static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
 724                                     const u8 *data, size_t data_len)
 725 {
 726         if (wpa_s->driver->send_mlme)
 727                 return wpa_s->driver->send_mlme(wpa_s->drv_priv,
 728                                                 data, data_len);
 729         return -1;
 730 }
 731
 732 static inline int wpa_drv_mlme_add_sta(struct wpa_supplicant *wpa_s,
 733                                        const u8 *addr, const u8 *supp_rates,
 734                                        size_t supp_rates_len)
 735 {
 736         if (wpa_s->driver->mlme_add_sta)
 737                 return wpa_s->driver->mlme_add_sta(wpa_s->drv_priv, addr,
 738                                                    supp_rates, supp_rates_len);
 739         return -1;
 740 }
 741
 742 static inline int wpa_drv_mlme_remove_sta(struct wpa_supplicant *wpa_s,
 743                                           const u8 *addr)
 744 {
 745         if (wpa_s->driver->mlme_remove_sta)
 746                 return wpa_s->driver->mlme_remove_sta(wpa_s->drv_priv, addr);
 747         return -1;
 748 }
 749
 750 static inline int wpa_drv_update_ft_ies(struct wpa_supplicant *wpa_s,
 751                                         const u8 *md,
 752                                         const u8 *ies, size_t ies_len)
 753 {
 754         if (wpa_s->driver->update_ft_ies)
 755                 return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md,
 756                                                     ies, ies_len);
 757         return -1;
 758 }
 759
 760 static inline int wpa_drv_send_ft_action(struct wpa_supplicant *wpa_s,
 761                                          u8 action, const u8 *target_ap,
 762                                          const u8 *ies, size_t ies_len)
 763 {
 764         if (wpa_s->driver->send_ft_action)
 765                 return wpa_s->driver->send_ft_action(wpa_s->drv_priv, action,
 766                                                      target_ap, ies, ies_len);
 767         return -1;
 768 }
 769
 770 static inline int wpa_drv_set_probe_req_ie(struct wpa_supplicant *wpa_s,
 771                                            const u8 *ies, size_t ies_len)
 772 {
 773         if (wpa_s->driver->set_probe_req_ie)
 774                 return wpa_s->driver->set_probe_req_ie(wpa_s->drv_priv, ies,
 775                                                        ies_len);
 776         return -1;
 777 }
 778
 779 #ifdef ANDROID
 780 static inline int wpa_drv_driver_cmd(struct wpa_supplicant *wpa_s,
 781                                           char *cmd, char *buf, size_t buf_len)
 782 {
 783         if (wpa_s->driver->driver_cmd)
 784                 return wpa_s->driver->driver_cmd(wpa_s->drv_priv, cmd, buf, buf_len);
 785         return -1;
 786 }
 787 #endif
 788 #endif /* WPA_SUPPLICANT_I_H */