wpa_supplicant/wpa_supplicant_i.h

   1 /*
   2  * wpa_supplicant - Internal definitions
   3  * Copyright (c) 2003-2010, 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 "utils/list.h"
  19 #include "common/defs.h"
  20 #include "config_ssid.h"
  21
  22 extern const char *wpa_supplicant_version;
  23 extern const char *wpa_supplicant_license;
  24 #ifndef CONFIG_NO_STDOUT_DEBUG
  25 extern const char *wpa_supplicant_full_license1;
  26 extern const char *wpa_supplicant_full_license2;
  27 extern const char *wpa_supplicant_full_license3;
  28 extern const char *wpa_supplicant_full_license4;
  29 extern const char *wpa_supplicant_full_license5;
  30 #endif /* CONFIG_NO_STDOUT_DEBUG */
  31
  32 struct wpa_sm;
  33 struct wpa_supplicant;
  34 struct ibss_rsn;
  35 struct scan_info;
  36 struct wpa_bss;
  37 struct wpa_scan_results;
  38 struct hostapd_hw_modes;
  39
  40 /*
  41  * Forward declarations of private structures used within the ctrl_iface
  42  * backends. Other parts of wpa_supplicant do not have access to data stored in
  43  * these structures.
  44  */
  45 struct ctrl_iface_priv;
  46 struct ctrl_iface_global_priv;
  47 struct wpas_dbus_priv;
  48
  49 /**
  50  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
  51  */
  52 struct wpa_interface {
  53         /**
  54          * confname - Configuration name (file or profile) name
  55          *
  56          * This can also be %NULL when a configuration file is not used. In
  57          * that case, ctrl_interface must be set to allow the interface to be
  58          * configured.
  59          */
  60         const char *confname;
  61
  62         /**
  63          * ctrl_interface - Control interface parameter
  64          *
  65          * If a configuration file is not used, this variable can be used to
  66          * set the ctrl_interface parameter that would have otherwise been read
  67          * from the configuration file. If both confname and ctrl_interface are
  68          * set, ctrl_interface is used to override the value from configuration
  69          * file.
  70          */
  71         const char *ctrl_interface;
  72
  73         /**
  74          * driver - Driver interface name, or %NULL to use the default driver
  75          */
  76         const char *driver;
  77
  78         /**
  79          * driver_param - Driver interface parameters
  80          *
  81          * If a configuration file is not used, this variable can be used to
  82          * set the driver_param parameters that would have otherwise been read
  83          * from the configuration file. If both confname and driver_param are
  84          * set, driver_param is used to override the value from configuration
  85          * file.
  86          */
  87         const char *driver_param;
  88
  89         /**
  90          * ifname - Interface name
  91          */
  92         const char *ifname;
  93
  94         /**
  95          * bridge_ifname - Optional bridge interface name
  96          *
  97          * If the driver interface (ifname) is included in a Linux bridge
  98          * device, the bridge interface may need to be used for receiving EAPOL
  99          * frames. This can be enabled by setting this variable to enable
 100          * receiving of EAPOL frames from an additional interface.
 101          */
 102         const char *bridge_ifname;
 103 };
 104
 105 /**
 106  * struct wpa_params - Parameters for wpa_supplicant_init()
 107  */
 108 struct wpa_params {
 109         /**
 110          * daemonize - Run %wpa_supplicant in the background
 111          */
 112         int daemonize;
 113
 114         /**
 115          * wait_for_monitor - Wait for a monitor program before starting
 116          */
 117         int wait_for_monitor;
 118
 119         /**
 120          * pid_file - Path to a PID (process ID) file
 121          *
 122          * If this and daemonize are set, process ID of the background process
 123          * will be written to the specified file.
 124          */
 125         char *pid_file;
 126
 127         /**
 128          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
 129          */
 130         int wpa_debug_level;
 131
 132         /**
 133          * wpa_debug_show_keys - Whether keying material is included in debug
 134          *
 135          * This parameter can be used to allow keying material to be included
 136          * in debug messages. This is a security risk and this option should
 137          * not be enabled in normal configuration. If needed during
 138          * development or while troubleshooting, this option can provide more
 139          * details for figuring out what is happening.
 140          */
 141         int wpa_debug_show_keys;
 142
 143         /**
 144          * wpa_debug_timestamp - Whether to include timestamp in debug messages
 145          */
 146         int wpa_debug_timestamp;
 147
 148         /**
 149          * ctrl_interface - Global ctrl_iface path/parameter
 150          */
 151         char *ctrl_interface;
 152
 153         /**
 154          * dbus_ctrl_interface - Enable the DBus control interface
 155          */
 156         int dbus_ctrl_interface;
 157
 158         /**
 159          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
 160          */
 161         const char *wpa_debug_file_path;
 162
 163         /**
 164          * wpa_debug_syslog - Enable log output through syslog
 165          */
 166         int wpa_debug_syslog;
 167
 168         /**
 169          * override_driver - Optional driver parameter override
 170          *
 171          * This parameter can be used to override the driver parameter in
 172          * dynamic interface addition to force a specific driver wrapper to be
 173          * used instead.
 174          */
 175         char *override_driver;
 176
 177         /**
 178          * override_ctrl_interface - Optional ctrl_interface override
 179          *
 180          * This parameter can be used to override the ctrl_interface parameter
 181          * in dynamic interface addition to force a control interface to be
 182          * created.
 183          */
 184         char *override_ctrl_interface;
 185
 186         /**
 187          * entropy_file - Optional entropy file
 188          *
 189          * This parameter can be used to configure wpa_supplicant to maintain
 190          * its internal entropy store over restarts.
 191          */
 192         char *entropy_file;
 193 };
 194
 195 struct p2p_srv_bonjour {
 196         struct dl_list list;
 197         struct wpabuf *query;
 198         struct wpabuf *resp;
 199 };
 200
 201 struct p2p_srv_upnp {
 202         struct dl_list list;
 203         u8 version;
 204         char *service;
 205 };
 206
 207 /**
 208  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 209  *
 210  * This structure is initialized by calling wpa_supplicant_init() when starting
 211  * %wpa_supplicant.
 212  */
 213 struct wpa_global {
 214         struct wpa_supplicant *ifaces;
 215         struct wpa_params params;
 216         struct ctrl_iface_global_priv *ctrl_iface;
 217         struct wpas_dbus_priv *dbus;
 218         void **drv_priv;
 219         size_t drv_count;
 220         struct os_time suspend_time;
 221         struct p2p_data *p2p;
 222         struct wpa_supplicant *p2p_group_formation;
 223         u8 p2p_dev_addr[ETH_ALEN];
 224         struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
 225         struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
 226         int p2p_disabled;
 227         int cross_connection;
 228 };
 229
 230
 231 struct wpa_client_mlme {
 232 #ifdef CONFIG_CLIENT_MLME
 233         enum {
 234                 IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
 235                 IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
 236                 IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
 237         } state;
 238         u8 prev_bssid[ETH_ALEN];
 239         u8 ssid[32];
 240         size_t ssid_len;
 241         u16 aid;
 242         u16 ap_capab, capab;
 243         u8 *extra_ie; /* to be added to the end of AssocReq */
 244         size_t extra_ie_len;
 245         u8 *extra_probe_ie; /* to be added to the end of ProbeReq */
 246         size_t extra_probe_ie_len;
 247         enum wpa_key_mgmt key_mgmt;
 248
 249         /* The last AssocReq/Resp IEs */
 250         u8 *assocreq_ies, *assocresp_ies;
 251         size_t assocreq_ies_len, assocresp_ies_len;
 252
 253         int auth_tries, assoc_tries;
 254
 255         unsigned int ssid_set:1;
 256         unsigned int bssid_set:1;
 257         unsigned int prev_bssid_set:1;
 258         unsigned int authenticated:1;
 259         unsigned int associated:1;
 260         unsigned int probereq_poll:1;
 261         unsigned int use_protection:1;
 262         unsigned int create_ibss:1;
 263         unsigned int mixed_cell:1;
 264         unsigned int wmm_enabled:1;
 265
 266         struct os_time last_probe;
 267
 268         unsigned int auth_algs; /* bitfield of allowed auth algs
 269                                  * (WPA_AUTH_ALG_*) */
 270         int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
 271         int auth_transaction;
 272
 273         struct os_time ibss_join_req;
 274         u8 *probe_resp; /* ProbeResp template for IBSS */
 275         size_t probe_resp_len;
 276         u32 supp_rates_bits;
 277
 278         int wmm_last_param_set;
 279
 280         int sta_scanning;
 281         int scan_hw_mode_idx;
 282         int scan_channel_idx;
 283         enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
 284         struct os_time last_scan_completed;
 285         int scan_oper_channel;
 286         int scan_oper_freq;
 287         int scan_oper_phymode;
 288         u8 scan_ssid[32];
 289         size_t scan_ssid_len;
 290         int scan_skip_11b;
 291         int *scan_freqs;
 292
 293         struct ieee80211_sta_bss *sta_bss_list;
 294 #define STA_HASH_SIZE 256
 295 #define STA_HASH(sta) (sta[5])
 296         struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
 297
 298         int cts_protect_erp_frames;
 299
 300         enum hostapd_hw_mode phymode; /* current mode */
 301         struct hostapd_hw_modes *modes;
 302         size_t num_modes;
 303         unsigned int hw_modes; /* bitfield of allowed hardware modes;
 304                                 * (1 << HOSTAPD_MODE_*) */
 305         int num_curr_rates;
 306         int *curr_rates;
 307         int freq; /* The current frequency in MHz */
 308         int channel; /* The current IEEE 802.11 channel number */
 309
 310 #ifdef CONFIG_IEEE80211R
 311         u8 current_md[6];
 312         u8 *ft_ies;
 313         size_t ft_ies_len;
 314 #endif /* CONFIG_IEEE80211R */
 315
 316         void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
 317                                  int freq);
 318         void *public_action_cb_ctx;
 319
 320 #else /* CONFIG_CLIENT_MLME */
 321         int dummy; /* to keep MSVC happy */
 322 #endif /* CONFIG_CLIENT_MLME */
 323 };
 324
 325 /**
 326  * struct wpa_supplicant - Internal data for wpa_supplicant interface
 327  *
 328  * This structure contains the internal data for core wpa_supplicant code. This
 329  * should be only used directly from the core code. However, a pointer to this
 330  * data is used from other files as an arbitrary context pointer in calls to
 331  * core functions.
 332  */
 333 struct wpa_supplicant {
 334         struct wpa_global *global;
 335         struct wpa_supplicant *parent;
 336         struct wpa_supplicant *next;
 337         struct l2_packet_data *l2;
 338         struct l2_packet_data *l2_br;
 339         unsigned char own_addr[ETH_ALEN];
 340         char ifname[100];
 341 #ifdef CONFIG_CTRL_IFACE_DBUS
 342         char *dbus_path;
 343 #endif /* CONFIG_CTRL_IFACE_DBUS */
 344 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
 345         char *dbus_new_path;
 346         char *dbus_groupobj_path;
 347 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 348         char bridge_ifname[16];
 349
 350         char *confname;
 351         struct wpa_config *conf;
 352         int countermeasures;
 353         os_time_t last_michael_mic_error;
 354         u8 bssid[ETH_ALEN];
 355         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
 356                                      * field contains the targer BSSID. */
 357         int reassociate; /* reassociation requested */
 358         int disconnected; /* all connections disabled; i.e., do no reassociate
 359                            * before this has been cleared */
 360         struct wpa_ssid *current_ssid;
 361         struct wpa_bss *current_bss;
 362         int ap_ies_from_associnfo;
 363         unsigned int assoc_freq;
 364
 365         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 366         int pairwise_cipher;
 367         int group_cipher;
 368         int key_mgmt;
 369         int wpa_proto;
 370         int mgmt_group_cipher;
 371
 372         void *drv_priv; /* private data used by driver_ops */
 373         void *global_drv_priv;
 374
 375         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 376                                           * NULL = not yet initialized (start
 377                                           * with wildcard SSID)
 378                                           * WILDCARD_SSID_SCAN = wildcard
 379                                           * SSID was used in the previous scan
 380                                           */
 381 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
 382
 383         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
 384                                  struct wpa_scan_results *scan_res);
 385         struct dl_list bss; /* struct wpa_bss::list */
 386         struct dl_list bss_id; /* struct wpa_bss::list_id */
 387         size_t num_bss;
 388         unsigned int bss_update_idx;
 389         unsigned int bss_next_id;
 390
 391         struct wpa_driver_ops *driver;
 392         int interface_removed; /* whether the network interface has been
 393                                 * removed */
 394         struct wpa_sm *wpa;
 395         struct eapol_sm *eapol;
 396
 397         struct ctrl_iface_priv *ctrl_iface;
 398
 399         enum wpa_states wpa_state;
 400         int scanning;
 401         int new_connection;
 402         int reassociated_connection;
 403
 404         int eapol_received; /* number of EAPOL packets received after the
 405                              * previous association event */
 406
 407         struct scard_data *scard;
 408
 409         unsigned char last_eapol_src[ETH_ALEN];
 410
 411         int keys_cleared;
 412
 413         struct wpa_blacklist *blacklist;
 414
 415         int scan_req; /* manual scan request; this forces a scan even if there
 416                        * are no enabled networks in the configuration */
 417         int scan_runs; /* number of scan runs since WPS was started */
 418         int *next_scan_freqs;
 419         int scan_interval; /* time in sec between scans to find suitable AP */
 420
 421         struct wpa_client_mlme mlme;
 422         unsigned int drv_flags;
 423         int max_scan_ssids;
 424         unsigned int max_remain_on_chan;
 425         unsigned int max_stations;
 426
 427         int pending_mic_error_report;
 428         int pending_mic_error_pairwise;
 429         int mic_errors_seen; /* Michael MIC errors with the current PTK */
 430
 431         struct wps_context *wps;
 432         int wps_success; /* WPS success event received */
 433         struct wps_er *wps_er;
 434         int blacklist_cleared;
 435
 436         struct wpabuf *pending_eapol_rx;
 437         struct os_time pending_eapol_rx_time;
 438         u8 pending_eapol_rx_src[ETH_ALEN];
 439
 440         struct ibss_rsn *ibss_rsn;
 441
 442         int set_sta_uapsd;
 443         int sta_uapsd;
 444         int set_ap_uapsd;
 445         int ap_uapsd;
 446
 447 #ifdef CONFIG_SME
 448         struct {
 449                 u8 ssid[32];
 450                 size_t ssid_len;
 451                 int freq;
 452                 u8 assoc_req_ie[200];
 453                 size_t assoc_req_ie_len;
 454                 int mfp;
 455                 int ft_used;
 456                 u8 mobility_domain[2];
 457                 u8 *ft_ies;
 458                 size_t ft_ies_len;
 459                 u8 prev_bssid[ETH_ALEN];
 460                 int prev_bssid_set;
 461                 int auth_alg;
 462                 int proto;
 463
 464                 int sa_query_count; /* number of pending SA Query requests;
 465                                      * 0 = no SA Query in progress */
 466                 int sa_query_timed_out;
 467                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
 468                                         * sa_query_count octets of pending
 469                                         * SA Query transaction identifiers */
 470                 struct os_time sa_query_start;
 471         } sme;
 472 #endif /* CONFIG_SME */
 473
 474 #ifdef CONFIG_AP
 475         struct hostapd_iface *ap_iface;
 476         void (*ap_configured_cb)(void *ctx, void *data);
 477         void *ap_configured_cb_ctx;
 478         void *ap_configured_cb_data;
 479 #endif /* CONFIG_AP */
 480
 481 #ifdef CONFIG_P2P
 482         struct p2p_go_neg_results *go_params;
 483         int create_p2p_iface;
 484         u8 pending_interface_addr[ETH_ALEN];
 485         char pending_interface_name[100];
 486         int pending_interface_type;
 487         int p2p_group_idx;
 488         unsigned int off_channel_freq;
 489         struct wpabuf *pending_action_tx;
 490         u8 pending_action_src[ETH_ALEN];
 491         u8 pending_action_dst[ETH_ALEN];
 492         u8 pending_action_bssid[ETH_ALEN];
 493         unsigned int pending_action_freq;
 494         int pending_action_without_roc;
 495         unsigned int pending_listen_freq;
 496         unsigned int pending_listen_duration;
 497         enum {
 498                 NOT_P2P_GROUP_INTERFACE,
 499                 P2P_GROUP_INTERFACE_PENDING,
 500                 P2P_GROUP_INTERFACE_GO,
 501                 P2P_GROUP_INTERFACE_CLIENT
 502         } p2p_group_interface;
 503         struct p2p_group *p2p_group;
 504         int p2p_long_listen; /* remaining time in long Listen state in ms */
 505         char p2p_pin[10];
 506         int p2p_wps_method;
 507         u8 p2p_auth_invite[ETH_ALEN];
 508         int p2p_sd_over_ctrl_iface;
 509         int p2p_in_provisioning;
 510         int pending_invite_ssid_id;
 511         int show_group_started;
 512         u8 go_dev_addr[ETH_ALEN];
 513         int pending_pd_before_join;
 514         u8 pending_join_iface_addr[ETH_ALEN];
 515         u8 pending_join_dev_addr[ETH_ALEN];
 516         int pending_join_wps_method;
 517         int p2p_join_scan_count;
 518         unsigned int roc_waiting_drv_freq;
 519         int action_tx_wait_time;
 520         int force_long_sd;
 521
 522         /*
 523          * Whether cross connection is disallowed by the AP to which this
 524          * interface is associated (only valid if there is an association).
 525          */
 526         int cross_connect_disallowed;
 527
 528         /*
 529          * Whether this P2P group is configured to use cross connection (only
 530          * valid if this is P2P GO interface). The actual cross connect packet
 531          * forwarding may not be configured depending on the uplink status.
 532          */
 533         int cross_connect_enabled;
 534
 535         /* Whether cross connection forwarding is in use at the moment. */
 536         int cross_connect_in_use;
 537
 538         /*
 539          * Uplink interface name for cross connection
 540          */
 541         char cross_connect_uplink[100];
 542
 543         enum {
 544                 P2P_GROUP_REMOVAL_UNKNOWN,
 545                 P2P_GROUP_REMOVAL_REQUESTED,
 546                 P2P_GROUP_REMOVAL_IDLE_TIMEOUT,
 547                 P2P_GROUP_REMOVAL_UNAVAILABLE
 548         } removal_reason;
 549 #endif /* CONFIG_P2P */
 550
 551         struct wpa_ssid *bgscan_ssid;
 552         const struct bgscan_ops *bgscan;
 553         void *bgscan_priv;
 554
 555         struct wpa_ssid *connect_without_scan;
 556
 557         int after_wps;
 558         unsigned int wps_freq;
 559         int wps_fragment_size;
 560         int auto_reconnect_disabled;
 561
 562          /* Channel preferences for AP/P2P GO use */
 563         int best_24_freq;
 564         int best_5_freq;
 565         int best_overall_freq;
 566 };
 567
 568
 569 /* wpa_supplicant.c */
 570 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 571
 572 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 573
 574 const char * wpa_supplicant_state_txt(enum wpa_states state);
 575 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 576 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 577                               struct wpa_bss *bss, struct wpa_ssid *ssid,
 578                               u8 *wpa_ie, size_t *wpa_ie_len);
 579 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 580                               struct wpa_bss *bss,
 581                               struct wpa_ssid *ssid);
 582 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 583                                        struct wpa_ssid *ssid);
 584 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 585 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 586 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 587                                      int sec, int usec);
 588 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
 589                               enum wpa_states state);
 590 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 591 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
 592 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 593 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 594                                    int reason_code);
 595 void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
 596                                  int reason_code);
 597
 598 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
 599                                    struct wpa_ssid *ssid);
 600 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
 601                                     struct wpa_ssid *ssid);
 602 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
 603                                    struct wpa_ssid *ssid);
 604 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
 605                                int ap_scan);
 606 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
 607                                           unsigned int expire_age);
 608 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
 609                                             unsigned int expire_count);
 610 int wpa_supplicant_set_debug_params(struct wpa_global *global,
 611                                     int debug_level, int debug_timestamp,
 612                                     int debug_show_keys);
 613
 614 void wpa_show_license(void);
 615
 616 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 617                                                  struct wpa_interface *iface);
 618 int wpa_supplicant_remove_iface(struct wpa_global *global,
 619                                 struct wpa_supplicant *wpa_s);
 620 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 621                                                  const char *ifname);
 622 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
 623 int wpa_supplicant_run(struct wpa_global *global);
 624 void wpa_supplicant_deinit(struct wpa_global *global);
 625
 626 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 627                               struct wpa_ssid *ssid);
 628 void wpa_supplicant_terminate_proc(struct wpa_global *global);
 629 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 630                              const u8 *buf, size_t len);
 631 enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
 632 enum wpa_cipher cipher_suite2driver(int cipher);
 633 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
 634 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
 635 void ieee80211_sta_free_hw_features(struct hostapd_hw_modes *hw_features,
 636                                     size_t num_hw_features);
 637 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
 638
 639 /* events.c */
 640 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
 641 void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
 642                             struct wpa_bss *selected,
 643                             struct wpa_ssid *ssid);
 644
 645 /* eap_register.c */
 646 int eap_register_methods(void);
 647
 648 /**
 649  * Utility method to tell if a given network is a persistent group
 650  * @ssid: Network object
 651  * Returns: 1 if network is a persistent group, 0 otherwise
 652  */
 653 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
 654 {
 655         return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
 656 }
 657
 658 #endif /* WPA_SUPPLICANT_I_H */