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
 343
 344 /* wpa_supplicant.c */
 345 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 346
 347 const char * wpa_supplicant_state_txt(int state);
 348 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 349 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 350                               struct wpa_scan_res *bss,
 351                               struct wpa_ssid *ssid,
 352                               u8 *wpa_ie, size_t *wpa_ie_len);
 353 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 354                               struct wpa_scan_res *bss,
 355                               struct wpa_ssid *ssid);
 356 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 357                                        struct wpa_ssid *ssid);
 358 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 359 int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
 360 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 361 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 362                                      int sec, int usec);
 363 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
 364 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 365 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 366 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 367                                    int reason_code);
 368 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
 369                                  int reason_code);
 370
 371 void wpa_show_license(void);
 372
 373 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 374                                                  struct wpa_interface *iface);
 375 int wpa_supplicant_remove_iface(struct wpa_global *global,
 376                                 struct wpa_supplicant *wpa_s);
 377 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 378                                                  const char *ifname);
 379 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
 380 int wpa_supplicant_run(struct wpa_global *global);
 381 void wpa_supplicant_deinit(struct wpa_global *global);
 382
 383 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 384                               struct wpa_ssid *ssid);
 385
 386 /* scan.c */
 387 void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
 388 void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
 389
 390 /* events.c */
 391 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
 392
 393 /* driver_ops */
 394 static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
 395                                   const char *ifname)
 396 {
 397         if (wpa_s->driver->init) {
 398                 return wpa_s->driver->init(wpa_s, ifname);
 399         }
 400         return NULL;
 401 }
 402
 403 static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
 404 {
 405         if (wpa_s->driver->deinit)
 406                 wpa_s->driver->deinit(wpa_s->drv_priv);
 407 }
 408
 409 static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
 410                                     const char *param)
 411 {
 412         if (wpa_s->driver->set_param)
 413                 return wpa_s->driver->set_param(wpa_s->drv_priv, param);
 414         return 0;
 415 }
 416
 417 static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
 418                                                int enabled)
 419 {
 420         if (wpa_s->driver->set_drop_unencrypted) {
 421                 return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
 422                                                            enabled);
 423         }
 424         return -1;
 425 }
 426
 427 static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
 428                                               int enabled)
 429 {
 430         if (wpa_s->driver->set_countermeasures) {
 431                 return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
 432                                                           enabled);
 433         }
 434         return -1;
 435 }
 436
 437 static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
 438                                        int auth_alg)
 439 {
 440         if (wpa_s->driver->set_auth_alg) {
 441                 return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
 442                                                    auth_alg);
 443         }
 444         return -1;
 445 }
 446
 447 static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
 448 {
 449         if (wpa_s->driver->set_wpa) {
 450                 return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
 451         }
 452         return 0;
 453 }
 454
 455 static inline int wpa_drv_set_mode(struct wpa_supplicant *wpa_s, int mode)
 456 {
 457         if (wpa_s->driver->set_mode) {
 458                 return wpa_s->driver->set_mode(wpa_s->drv_priv, mode);
 459         }
 460         return 0;
 461 }
 462
 463 static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
 464                                     struct wpa_driver_associate_params *params)
 465 {
 466         if (wpa_s->driver->associate) {
 467                 return wpa_s->driver->associate(wpa_s->drv_priv, params);
 468         }
 469         return -1;
 470 }
 471
 472 static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s, const u8 *ssid,
 473                                size_t ssid_len)
 474 {
 475         if (wpa_s->driver->scan) {
 476                 return wpa_s->driver->scan(wpa_s->drv_priv, ssid, ssid_len);
 477         }
 478         return -1;
 479 }
 480
 481 static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
 482                                            struct wpa_scan_result *results,
 483                                            size_t max_size)
 484 {
 485         if (wpa_s->driver->get_scan_results) {
 486                 return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
 487                                                        results, max_size);
 488         }
 489         return -1;
 490 }
 491
 492 static inline struct wpa_scan_results * wpa_drv_get_scan_results2(
 493         struct wpa_supplicant *wpa_s)
 494 {
 495         if (wpa_s->driver->get_scan_results2)
 496                 return wpa_s->driver->get_scan_results2(wpa_s->drv_priv);
 497         return NULL;
 498 }
 499
 500 static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
 501 {
 502         if (wpa_s->driver->get_bssid) {
 503                 return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
 504         }
 505         return -1;
 506 }
 507
 508 static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
 509 {
 510         if (wpa_s->driver->get_ssid) {
 511                 return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
 512         }
 513         return -1;
 514 }
 515
 516 static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, wpa_alg alg,
 517                                    const u8 *addr, int key_idx, int set_tx,
 518                                    const u8 *seq, size_t seq_len,
 519                                    const u8 *key, size_t key_len)
 520 {
 521         if (wpa_s->driver->set_key) {
 522                 wpa_s->keys_cleared = 0;
 523                 return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
 524                                               key_idx, set_tx, seq, seq_len,
 525                                               key, key_len);
 526         }
 527         return -1;
 528 }
 529
 530 static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
 531                                          const u8 *addr, int reason_code)
 532 {
 533         if (wpa_s->driver->deauthenticate) {
 534                 return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
 535                                                      reason_code);
 536         }
 537         return -1;
 538 }
 539
 540 static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
 541                                        const u8 *addr, int reason_code)
 542 {
 543         if (wpa_s->driver->disassociate) {
 544                 return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
 545                                                    reason_code);
 546         }
 547         return -1;
 548 }
 549
 550 static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
 551                                     const u8 *bssid, const u8 *pmkid)
 552 {
 553         if (wpa_s->driver->add_pmkid) {
 554                 return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
 555         }
 556         return -1;
 557 }
 558
 559 static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
 560                                        const u8 *bssid, const u8 *pmkid)
 561 {
 562         if (wpa_s->driver->remove_pmkid) {
 563                 return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
 564                                                    pmkid);
 565         }
 566         return -1;
 567 }
 568
 569 static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
 570 {
 571         if (wpa_s->driver->flush_pmkid) {
 572                 return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
 573         }
 574         return -1;
 575 }
 576
 577 static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
 578                                    struct wpa_driver_capa *capa)
 579 {
 580         if (wpa_s->driver->get_capa) {
 581                 return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
 582         }
 583         return -1;
 584 }
 585
 586 static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
 587 {
 588         if (wpa_s->driver->poll) {
 589                 wpa_s->driver->poll(wpa_s->drv_priv);
 590         }
 591 }
 592
 593 static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
 594 {
 595         if (wpa_s->driver->get_ifname) {
 596                 return wpa_s->driver->get_ifname(wpa_s->drv_priv);
 597         }
 598         return NULL;
 599 }
 600
 601 static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
 602 {
 603         if (wpa_s->driver->get_mac_addr) {
 604                 return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
 605         }
 606         return NULL;
 607 }
 608
 609 static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
 610                                      const u8 *dst, u16 proto,
 611                                      const u8 *data, size_t data_len)
 612 {
 613         if (wpa_s->driver->send_eapol)
 614                 return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
 615                                                  data, data_len);
 616         return -1;
 617 }
 618
 619 static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
 620                                         int state)
 621 {
 622         if (wpa_s->driver->set_operstate)
 623                 return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
 624         return 0;
 625 }
 626
 627 static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
 628                                              const u8 *addr, int protect_type,
 629                                              int key_type)
 630 {
 631         if (wpa_s->driver->mlme_setprotection)
 632                 return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
 633                                                          protect_type,
 634                                                          key_type);
 635         return 0;
 636 }
 637
 638 static inline struct wpa_hw_modes *
 639 wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
 640                             u16 *flags)
 641 {
 642         if (wpa_s->driver->get_hw_feature_data)
 643                 return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
 644                                                           num_modes, flags);
 645         return NULL;
 646 }
 647
 648 static inline int wpa_drv_set_channel(struct wpa_supplicant *wpa_s,
 649                                       wpa_hw_mode phymode, int chan,
 650                                       int freq)
 651 {
 652         if (wpa_s->driver->set_channel)
 653                 return wpa_s->driver->set_channel(wpa_s->drv_priv, phymode,
 654                                                   chan, freq);
 655         return -1;
 656 }
 657
 658 static inline int wpa_drv_set_ssid(struct wpa_supplicant *wpa_s,
 659                                    const u8 *ssid, size_t ssid_len)
 660 {
 661         if (wpa_s->driver->set_ssid) {
 662                 return wpa_s->driver->set_ssid(wpa_s->drv_priv, ssid,
 663                                                ssid_len);
 664         }
 665         return -1;
 666 }
 667
 668 static inline int wpa_drv_set_bssid(struct wpa_supplicant *wpa_s,
 669                                     const u8 *bssid)
 670 {
 671         if (wpa_s->driver->set_bssid) {
 672                 return wpa_s->driver->set_bssid(wpa_s->drv_priv, bssid);
 673         }
 674         return -1;
 675 }
 676
 677 static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
 678                                     const u8 *data, size_t data_len)
 679 {
 680         if (wpa_s->driver->send_mlme)
 681                 return wpa_s->driver->send_mlme(wpa_s->drv_priv,
 682                                                 data, data_len);
 683         return -1;
 684 }
 685
 686 static inline int wpa_drv_mlme_add_sta(struct wpa_supplicant *wpa_s,
 687                                        const u8 *addr, const u8 *supp_rates,
 688                                        size_t supp_rates_len)
 689 {
 690         if (wpa_s->driver->mlme_add_sta)
 691                 return wpa_s->driver->mlme_add_sta(wpa_s->drv_priv, addr,
 692                                                    supp_rates, supp_rates_len);
 693         return -1;
 694 }
 695
 696 static inline int wpa_drv_mlme_remove_sta(struct wpa_supplicant *wpa_s,
 697                                           const u8 *addr)
 698 {
 699         if (wpa_s->driver->mlme_remove_sta)
 700                 return wpa_s->driver->mlme_remove_sta(wpa_s->drv_priv, addr);
 701         return -1;
 702 }
 703
 704 static inline int wpa_drv_update_ft_ies(struct wpa_supplicant *wpa_s,
 705                                         const u8 *md,
 706                                         const u8 *ies, size_t ies_len)
 707 {
 708         if (wpa_s->driver->update_ft_ies)
 709                 return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md,
 710                                                     ies, ies_len);
 711         return -1;
 712 }
 713
 714 static inline int wpa_drv_send_ft_action(struct wpa_supplicant *wpa_s,
 715                                          u8 action, const u8 *target_ap,
 716                                          const u8 *ies, size_t ies_len)
 717 {
 718         if (wpa_s->driver->send_ft_action)
 719                 return wpa_s->driver->send_ft_action(wpa_s->drv_priv, action,
 720                                                      target_ap, ies, ies_len);
 721         return -1;
 722 }
 723
 724 static inline int wpa_drv_set_probe_req_ie(struct wpa_supplicant *wpa_s,
 725                                            const u8 *ies, size_t ies_len)
 726 {
 727         if (wpa_s->driver->set_probe_req_ie)
 728                 return wpa_s->driver->set_probe_req_ie(wpa_s->drv_priv, ies,
 729                                                        ies_len);
 730         return -1;
 731 }
 732
 733 #endif /* WPA_SUPPLICANT_I_H */