p2p_i.h revision 68d0e3ed07847339aedfac8e02f50db68c702e52
1/* 2 * P2P - Internal definitions for P2P module 3 * Copyright (c) 2009-2010, Atheros Communications 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#ifndef P2P_I_H 10#define P2P_I_H 11 12#include "utils/list.h" 13#include "p2p.h" 14 15enum p2p_go_state { 16 UNKNOWN_GO, 17 LOCAL_GO, 18 REMOTE_GO 19}; 20 21/** 22 * struct p2p_device - P2P Device data (internal to P2P module) 23 */ 24struct p2p_device { 25 struct dl_list list; 26 struct os_time last_seen; 27 int listen_freq; 28 enum p2p_wps_method wps_method; 29 30 struct p2p_peer_info info; 31 32 /* 33 * If the peer was discovered based on an interface address (e.g., GO 34 * from Beacon/Probe Response), the interface address is stored here. 35 * p2p_device_addr must still be set in such a case to the unique 36 * identifier for the P2P Device. 37 */ 38 u8 interface_addr[ETH_ALEN]; 39 40 /* 41 * P2P Device Address of the GO in whose group this P2P Device is a 42 * client. 43 */ 44 u8 member_in_go_dev[ETH_ALEN]; 45 46 /* 47 * P2P Interface Address of the GO in whose group this P2P Device is a 48 * client. 49 */ 50 u8 member_in_go_iface[ETH_ALEN]; 51 52 int go_neg_req_sent; 53 enum p2p_go_state go_state; 54 u8 dialog_token; 55 u8 tie_breaker; 56 u8 intended_addr[ETH_ALEN]; 57 58 char country[3]; 59 struct p2p_channels channels; 60 int oper_freq; 61 u8 oper_ssid[32]; 62 size_t oper_ssid_len; 63 64 /** 65 * req_config_methods - Pending provision discovery methods 66 */ 67 u16 req_config_methods; 68 69 /** 70 * wps_prov_info - Stored provisioning WPS config method 71 * 72 * This is used to store pending WPS config method between Provisioning 73 * Discovery and connection to a running group. 74 */ 75 u16 wps_prov_info; 76 77#define P2P_DEV_PROBE_REQ_ONLY BIT(0) 78#define P2P_DEV_REPORTED BIT(1) 79#define P2P_DEV_NOT_YET_READY BIT(2) 80#define P2P_DEV_SD_INFO BIT(3) 81#define P2P_DEV_SD_SCHEDULE BIT(4) 82#define P2P_DEV_PD_PEER_DISPLAY BIT(5) 83#define P2P_DEV_PD_PEER_KEYPAD BIT(6) 84#define P2P_DEV_USER_REJECTED BIT(7) 85#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 86#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 87#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 88#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 89#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 90#define P2P_DEV_FORCE_FREQ BIT(13) 91#define P2P_DEV_PD_FOR_JOIN BIT(14) 92#define P2P_DEV_REPORTED_ONCE BIT(15) 93#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 94#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 95#define P2P_DEV_NO_PREF_CHAN BIT(18) 96 unsigned int flags; 97 98 int status; /* enum p2p_status_code */ 99 unsigned int wait_count; 100 unsigned int connect_reqs; 101 unsigned int invitation_reqs; 102 103 u16 ext_listen_period; 104 u16 ext_listen_interval; 105 106 u8 go_timeout; 107 u8 client_timeout; 108}; 109 110struct p2p_sd_query { 111 struct p2p_sd_query *next; 112 u8 peer[ETH_ALEN]; 113 int for_all_peers; 114 int wsd; /* Wi-Fi Display Service Discovery Request */ 115 struct wpabuf *tlvs; 116}; 117 118struct p2p_pending_action_tx { 119 unsigned int freq; 120 u8 dst[ETH_ALEN]; 121 u8 src[ETH_ALEN]; 122 u8 bssid[ETH_ALEN]; 123 size_t len; 124 unsigned int wait_time; 125 /* Followed by len octets of the frame */ 126}; 127 128/** 129 * struct p2p_data - P2P module data (internal to P2P module) 130 */ 131struct p2p_data { 132 /** 133 * cfg - P2P module configuration 134 * 135 * This is included in the same memory allocation with the 136 * struct p2p_data and as such, must not be freed separately. 137 */ 138 struct p2p_config *cfg; 139 140 /** 141 * state - The current P2P state 142 */ 143 enum p2p_state { 144 /** 145 * P2P_IDLE - Idle 146 */ 147 P2P_IDLE, 148 149 /** 150 * P2P_SEARCH - Search (Device Discovery) 151 */ 152 P2P_SEARCH, 153 154 /** 155 * P2P_CONNECT - Trying to start GO Negotiation 156 */ 157 P2P_CONNECT, 158 159 /** 160 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 161 */ 162 P2P_CONNECT_LISTEN, 163 164 /** 165 * P2P_GO_NEG - In GO Negotiation 166 */ 167 P2P_GO_NEG, 168 169 /** 170 * P2P_LISTEN_ONLY - Listen only 171 */ 172 P2P_LISTEN_ONLY, 173 174 /** 175 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 176 */ 177 P2P_WAIT_PEER_CONNECT, 178 179 /** 180 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 181 */ 182 P2P_WAIT_PEER_IDLE, 183 184 /** 185 * P2P_SD_DURING_FIND - Service Discovery during find 186 */ 187 P2P_SD_DURING_FIND, 188 189 /** 190 * P2P_PROVISIONING - Provisioning (during group formation) 191 */ 192 P2P_PROVISIONING, 193 194 /** 195 * P2P_PD_DURING_FIND - Provision Discovery during find 196 */ 197 P2P_PD_DURING_FIND, 198 199 /** 200 * P2P_INVITE - Trying to start Invite 201 */ 202 P2P_INVITE, 203 204 /** 205 * P2P_INVITE_LISTEN - Listen during Invite 206 */ 207 P2P_INVITE_LISTEN, 208 209 /** 210 * P2P_SEARCH_WHEN_READY - Waiting to start Search 211 */ 212 P2P_SEARCH_WHEN_READY, 213 214 /** 215 * P2P_CONTINUE_SEARCH_WHEN_READY - Waiting to continue Search 216 */ 217 P2P_CONTINUE_SEARCH_WHEN_READY, 218 } state; 219 220 /** 221 * min_disc_int - minDiscoverableInterval 222 */ 223 int min_disc_int; 224 225 /** 226 * max_disc_int - maxDiscoverableInterval 227 */ 228 int max_disc_int; 229 230 /** 231 * max_disc_tu - Maximum number of TUs for discoverable interval 232 */ 233 int max_disc_tu; 234 235 /** 236 * devices - List of known P2P Device peers 237 */ 238 struct dl_list devices; 239 240#ifdef ANDROID_P2P 241 /** 242 * sd_dev_list - device pointer to be serviced next 243 * for service discovery 244 */ 245 struct dl_list *sd_dev_list; 246#endif 247 248 /** 249 * go_neg_peer - Pointer to GO Negotiation peer 250 */ 251 struct p2p_device *go_neg_peer; 252 253 /** 254 * invite_peer - Pointer to Invite peer 255 */ 256 struct p2p_device *invite_peer; 257 258 const u8 *invite_go_dev_addr; 259 u8 invite_go_dev_addr_buf[ETH_ALEN]; 260 261 /** 262 * sd_peer - Pointer to Service Discovery peer 263 */ 264 struct p2p_device *sd_peer; 265 266 /** 267 * sd_query - Pointer to Service Discovery query 268 */ 269 struct p2p_sd_query *sd_query; 270 271 /* GO Negotiation data */ 272 273 /** 274 * intended_addr - Local Intended P2P Interface Address 275 * 276 * This address is used during group owner negotiation as the Intended 277 * P2P Interface Address and the group interface will be created with 278 * address as the local address in case of successfully completed 279 * negotiation. 280 */ 281 u8 intended_addr[ETH_ALEN]; 282 283 /** 284 * go_intent - Local GO Intent to be used during GO Negotiation 285 */ 286 u8 go_intent; 287 288 /** 289 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 290 */ 291 u8 next_tie_breaker; 292 293 /** 294 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 295 */ 296 u8 ssid[32]; 297 298 /** 299 * ssid_len - ssid length in octets 300 */ 301 size_t ssid_len; 302 303 /** 304 * ssid_set - Whether SSID is already set for GO Negotiation 305 */ 306 int ssid_set; 307 308 /** 309 * Regulatory class for own operational channel 310 */ 311 u8 op_reg_class; 312 313 /** 314 * op_channel - Own operational channel 315 */ 316 u8 op_channel; 317 318 /** 319 * channels - Own supported regulatory classes and channels 320 * 321 * List of supposerted channels per regulatory class. The regulatory 322 * classes are defined in IEEE Std 802.11-2007 Annex J and the 323 * numbering of the clases depends on the configured country code. 324 */ 325 struct p2p_channels channels; 326 327 struct wpa_freq_range_list no_go_freq; 328 329 enum p2p_pending_action_state { 330 P2P_NO_PENDING_ACTION, 331 P2P_PENDING_GO_NEG_REQUEST, 332 P2P_PENDING_GO_NEG_RESPONSE, 333 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 334 P2P_PENDING_GO_NEG_CONFIRM, 335 P2P_PENDING_SD, 336 P2P_PENDING_PD, 337 P2P_PENDING_INVITATION_REQUEST, 338 P2P_PENDING_INVITATION_RESPONSE, 339 P2P_PENDING_DEV_DISC_REQUEST, 340 P2P_PENDING_DEV_DISC_RESPONSE, 341 P2P_PENDING_GO_DISC_REQ 342 } pending_action_state; 343 344 unsigned int pending_listen_freq; 345 unsigned int pending_listen_sec; 346 unsigned int pending_listen_usec; 347 348 u8 dev_capab; 349 350 int in_listen; 351 int drv_in_listen; 352 353 /** 354 * sd_queries - Pending service discovery queries 355 */ 356 struct p2p_sd_query *sd_queries; 357 358 /** 359 * srv_update_indic - Service Update Indicator for local services 360 */ 361 u16 srv_update_indic; 362 363 struct wpabuf *sd_resp; /* Fragmented SD response */ 364 u8 sd_resp_addr[ETH_ALEN]; 365 u8 sd_resp_dialog_token; 366 size_t sd_resp_pos; /* Offset in sd_resp */ 367 u8 sd_frag_id; 368 369 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 370 u16 sd_rx_update_indic; 371 372 /* P2P Invitation data */ 373 enum p2p_invite_role inv_role; 374 u8 inv_bssid[ETH_ALEN]; 375 int inv_bssid_set; 376 u8 inv_ssid[32]; 377 size_t inv_ssid_len; 378 u8 inv_sa[ETH_ALEN]; 379 u8 inv_group_bssid[ETH_ALEN]; 380 u8 *inv_group_bssid_ptr; 381 u8 inv_go_dev_addr[ETH_ALEN]; 382 u8 inv_status; 383 int inv_op_freq; 384 int inv_persistent; 385 386 enum p2p_discovery_type find_type; 387 unsigned int last_p2p_find_timeout; 388 u8 last_prog_scan_class; 389 u8 last_prog_scan_chan; 390 int p2p_scan_running; 391 enum p2p_after_scan { 392 P2P_AFTER_SCAN_NOTHING, 393 P2P_AFTER_SCAN_LISTEN, 394 P2P_AFTER_SCAN_CONNECT 395 } start_after_scan; 396 u8 after_scan_peer[ETH_ALEN]; 397 struct p2p_pending_action_tx *after_scan_tx; 398 unsigned int after_scan_tx_in_progress:1; 399 400 /* Requested device types for find/search */ 401 unsigned int num_req_dev_types; 402 u8 *req_dev_types; 403 u8 *find_dev_id; 404 u8 find_dev_id_buf[ETH_ALEN]; 405 406 struct os_time find_start; /* time of last p2p_find start */ 407 408 struct p2p_group **groups; 409 size_t num_groups; 410 411 struct p2p_device *pending_client_disc_go; 412 u8 pending_client_disc_addr[ETH_ALEN]; 413 u8 pending_dev_disc_dialog_token; 414 u8 pending_dev_disc_addr[ETH_ALEN]; 415 int pending_dev_disc_freq; 416 unsigned int pending_client_disc_freq; 417 418 int ext_listen_only; 419 unsigned int ext_listen_period; 420 unsigned int ext_listen_interval; 421 unsigned int ext_listen_interval_sec; 422 unsigned int ext_listen_interval_usec; 423 424 u8 peer_filter[ETH_ALEN]; 425 426 int cross_connect; 427 428 int best_freq_24; 429 int best_freq_5; 430 int best_freq_overall; 431 int own_freq_preference; 432 433 /** 434 * wps_vendor_ext - WPS Vendor Extensions to add 435 */ 436 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 437 438 /* 439 * user_initiated_pd - Whether a PD request is user initiated or not. 440 */ 441 u8 user_initiated_pd; 442 443 /* 444 * Keep track of which peer a given PD request was sent to. 445 * Used to raise a timeout alert in case there is no response. 446 */ 447 u8 pending_pd_devaddr[ETH_ALEN]; 448 449 /* 450 * Retry counter for provision discovery requests when issued 451 * in IDLE state. 452 */ 453 int pd_retries; 454 455 /** 456 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 457 * 458 * This is is used during PD retries for join-a-group case to use the 459 * correct operating frequency determined from a BSS entry for the GO. 460 */ 461 int pd_force_freq; 462 463 u8 go_timeout; 464 u8 client_timeout; 465 466 /* Extra delay in milliseconds between search iterations */ 467 unsigned int search_delay; 468 int in_search_delay; 469 470#ifdef CONFIG_WIFI_DISPLAY 471 struct wpabuf *wfd_ie_beacon; 472 struct wpabuf *wfd_ie_probe_req; 473 struct wpabuf *wfd_ie_probe_resp; 474 struct wpabuf *wfd_ie_assoc_req; 475 struct wpabuf *wfd_ie_invitation; 476 struct wpabuf *wfd_ie_prov_disc_req; 477 struct wpabuf *wfd_ie_prov_disc_resp; 478 struct wpabuf *wfd_ie_go_neg; 479 struct wpabuf *wfd_dev_info; 480 struct wpabuf *wfd_assoc_bssid; 481 struct wpabuf *wfd_coupled_sink_info; 482#endif /* CONFIG_WIFI_DISPLAY */ 483}; 484 485/** 486 * struct p2p_message - Parsed P2P message (or P2P IE) 487 */ 488struct p2p_message { 489 struct wpabuf *p2p_attributes; 490 struct wpabuf *wps_attributes; 491 struct wpabuf *wfd_subelems; 492 493 u8 dialog_token; 494 495 const u8 *capability; 496 const u8 *go_intent; 497 const u8 *status; 498 const u8 *listen_channel; 499 const u8 *operating_channel; 500 const u8 *channel_list; 501 u8 channel_list_len; 502 const u8 *config_timeout; 503 const u8 *intended_addr; 504 const u8 *group_bssid; 505 const u8 *invitation_flags; 506 507 const u8 *group_info; 508 size_t group_info_len; 509 510 const u8 *group_id; 511 size_t group_id_len; 512 513 const u8 *device_id; 514 515 const u8 *manageability; 516 517 const u8 *noa; 518 size_t noa_len; 519 520 const u8 *ext_listen_timing; 521 522 const u8 *minor_reason_code; 523 524 /* P2P Device Info */ 525 const u8 *p2p_device_info; 526 size_t p2p_device_info_len; 527 const u8 *p2p_device_addr; 528 const u8 *pri_dev_type; 529 u8 num_sec_dev_types; 530 char device_name[33]; 531 u16 config_methods; 532 533 /* WPS IE */ 534 u16 dev_password_id; 535 u16 wps_config_methods; 536 const u8 *wps_pri_dev_type; 537 const u8 *wps_sec_dev_type_list; 538 size_t wps_sec_dev_type_list_len; 539 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 540 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 541 const u8 *manufacturer; 542 size_t manufacturer_len; 543 const u8 *model_name; 544 size_t model_name_len; 545 const u8 *model_number; 546 size_t model_number_len; 547 const u8 *serial_number; 548 size_t serial_number_len; 549 550 /* DS Parameter Set IE */ 551 const u8 *ds_params; 552 553 /* SSID IE */ 554 const u8 *ssid; 555}; 556 557 558#define P2P_MAX_GROUP_ENTRIES 50 559 560struct p2p_group_info { 561 unsigned int num_clients; 562 struct p2p_client_info { 563 const u8 *p2p_device_addr; 564 const u8 *p2p_interface_addr; 565 u8 dev_capab; 566 u16 config_methods; 567 const u8 *pri_dev_type; 568 u8 num_sec_dev_types; 569 const u8 *sec_dev_types; 570 const char *dev_name; 571 size_t dev_name_len; 572 } client[P2P_MAX_GROUP_ENTRIES]; 573}; 574 575 576/* p2p_utils.c */ 577int p2p_random(char *buf, size_t len); 578int p2p_channel_to_freq(int op_class, int channel); 579int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 580void p2p_channels_intersect(const struct p2p_channels *a, 581 const struct p2p_channels *b, 582 struct p2p_channels *res); 583void p2p_channels_union(const struct p2p_channels *a, 584 const struct p2p_channels *b, 585 struct p2p_channels *res); 586void p2p_channels_remove_freqs(struct p2p_channels *chan, 587 const struct wpa_freq_range_list *list); 588int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 589 u8 channel); 590void p2p_channels_dump(struct p2p_data *p2p, const char *title, 591 const struct p2p_channels *chan); 592#ifdef ANDROID_P2P 593size_t p2p_copy_reg_class(struct p2p_reg_class *dc, struct p2p_reg_class *sc); 594#endif 595 596/* p2p_parse.c */ 597int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 598int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 599int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 600void p2p_parse_free(struct p2p_message *msg); 601int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 602int p2p_group_info_parse(const u8 *gi, size_t gi_len, 603 struct p2p_group_info *info); 604 605/* p2p_build.c */ 606 607struct p2p_noa_desc { 608 u8 count_type; 609 u32 duration; 610 u32 interval; 611 u32 start_time; 612}; 613 614/* p2p_group.c */ 615const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 616u8 p2p_group_presence_req(struct p2p_group *group, 617 const u8 *client_interface_addr, 618 const u8 *noa, size_t noa_len); 619int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 620 size_t group_id_len); 621void p2p_group_update_ies(struct p2p_group *group); 622struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 623 624 625void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 626void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 627 u8 dialog_token); 628u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 629void p2p_buf_add_status(struct wpabuf *buf, u8 status); 630void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 631 struct p2p_device *peer); 632void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 633void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 634void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 635void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 636void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 637 u8 reg_class, u8 channel); 638void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 639 u8 reg_class, u8 channel); 640void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 641 struct p2p_channels *chan); 642void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 643 u8 client_timeout); 644void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 645void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 646void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 647 const u8 *ssid, size_t ssid_len); 648void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 649void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 650 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 651void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 652 u16 interval); 653void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 654int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 655 int all_attr); 656 657/* p2p_sd.c */ 658struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 659 struct p2p_device *dev); 660void p2p_free_sd_queries(struct p2p_data *p2p); 661void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 662 const u8 *data, size_t len, int rx_freq); 663void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 664 const u8 *data, size_t len, int rx_freq); 665void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 666 const u8 *data, size_t len, int rx_freq); 667void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 668 const u8 *data, size_t len, int rx_freq); 669int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 670 671/* p2p_go_neg.c */ 672int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 673 struct p2p_device *dev, 674 const u8 *channel_list, size_t channel_list_len); 675void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 676 const u8 *data, size_t len, int rx_freq); 677void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 678 const u8 *data, size_t len, int rx_freq); 679void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 680 const u8 *data, size_t len); 681int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 682u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 683void p2p_reselect_channel(struct p2p_data *p2p, 684 struct p2p_channels *intersection); 685 686/* p2p_pd.c */ 687void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 688 const u8 *data, size_t len, int rx_freq); 689void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 690 const u8 *data, size_t len); 691int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 692 int join, int force_freq); 693void p2p_reset_pending_pd(struct p2p_data *p2p); 694 695/* p2p_invitation.c */ 696void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 697 const u8 *data, size_t len, int rx_freq); 698void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 699 const u8 *data, size_t len); 700int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 701 const u8 *go_dev_addr); 702void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 703void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 704 705/* p2p_dev_disc.c */ 706void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 707 const u8 *data, size_t len, int rx_freq); 708void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 709int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 710void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 711void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 712 const u8 *data, size_t len); 713void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 714void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 715 const u8 *data, size_t len, int rx_freq); 716 717/* p2p.c */ 718void p2p_set_state(struct p2p_data *p2p, int new_state); 719void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 720 unsigned int usec); 721void p2p_clear_timeout(struct p2p_data *p2p); 722void p2p_continue_find(struct p2p_data *p2p); 723struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 724 const u8 *addr, 725 struct p2p_message *msg); 726void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 727 struct p2p_device *dev, struct p2p_message *msg); 728int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 729 struct os_time *rx_time, int level, const u8 *ies, 730 size_t ies_len, int scan_res); 731struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 732struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 733 const u8 *addr); 734void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 735 int status); 736void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 737int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 738int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 739 size_t num_req_dev_type); 740struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 741void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 742int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 743 const u8 *src, const u8 *bssid, const u8 *buf, 744 size_t len, unsigned int wait_time); 745void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 746int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 747 unsigned int force_freq, unsigned int pref_freq, 748 int go); 749void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 750PRINTF_FORMAT(2, 3); 751void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 752PRINTF_FORMAT(2, 3); 753void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 754PRINTF_FORMAT(2, 3); 755 756#endif /* P2P_I_H */ 757