p2p_i.h revision fb79edc9df1f20461e90e478363d207348213d35
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_reltime 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 } state; 209 210 /** 211 * min_disc_int - minDiscoverableInterval 212 */ 213 int min_disc_int; 214 215 /** 216 * max_disc_int - maxDiscoverableInterval 217 */ 218 int max_disc_int; 219 220 /** 221 * max_disc_tu - Maximum number of TUs for discoverable interval 222 */ 223 int max_disc_tu; 224 225 /** 226 * devices - List of known P2P Device peers 227 */ 228 struct dl_list devices; 229 230#ifdef ANDROID_P2P 231 /** 232 * sd_dev_list - device pointer to be serviced next 233 * for service discovery 234 */ 235 struct dl_list *sd_dev_list; 236#endif 237 238 /** 239 * go_neg_peer - Pointer to GO Negotiation peer 240 */ 241 struct p2p_device *go_neg_peer; 242 243 /** 244 * invite_peer - Pointer to Invite peer 245 */ 246 struct p2p_device *invite_peer; 247 248 const u8 *invite_go_dev_addr; 249 u8 invite_go_dev_addr_buf[ETH_ALEN]; 250 251 /** 252 * sd_peer - Pointer to Service Discovery peer 253 */ 254 struct p2p_device *sd_peer; 255 256 /** 257 * sd_query - Pointer to Service Discovery query 258 */ 259 struct p2p_sd_query *sd_query; 260 261 /* GO Negotiation data */ 262 263 /** 264 * intended_addr - Local Intended P2P Interface Address 265 * 266 * This address is used during group owner negotiation as the Intended 267 * P2P Interface Address and the group interface will be created with 268 * address as the local address in case of successfully completed 269 * negotiation. 270 */ 271 u8 intended_addr[ETH_ALEN]; 272 273 /** 274 * go_intent - Local GO Intent to be used during GO Negotiation 275 */ 276 u8 go_intent; 277 278 /** 279 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 280 */ 281 u8 next_tie_breaker; 282 283 /** 284 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 285 */ 286 u8 ssid[32]; 287 288 /** 289 * ssid_len - ssid length in octets 290 */ 291 size_t ssid_len; 292 293 /** 294 * ssid_set - Whether SSID is already set for GO Negotiation 295 */ 296 int ssid_set; 297 298 /** 299 * Regulatory class for own operational channel 300 */ 301 u8 op_reg_class; 302 303 /** 304 * op_channel - Own operational channel 305 */ 306 u8 op_channel; 307 308 /** 309 * channels - Own supported regulatory classes and channels 310 * 311 * List of supposerted channels per regulatory class. The regulatory 312 * classes are defined in IEEE Std 802.11-2007 Annex J and the 313 * numbering of the clases depends on the configured country code. 314 */ 315 struct p2p_channels channels; 316 317 struct wpa_freq_range_list no_go_freq; 318 319 enum p2p_pending_action_state { 320 P2P_NO_PENDING_ACTION, 321 P2P_PENDING_GO_NEG_REQUEST, 322 P2P_PENDING_GO_NEG_RESPONSE, 323 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 324 P2P_PENDING_GO_NEG_CONFIRM, 325 P2P_PENDING_SD, 326 P2P_PENDING_PD, 327 P2P_PENDING_INVITATION_REQUEST, 328 P2P_PENDING_INVITATION_RESPONSE, 329 P2P_PENDING_DEV_DISC_REQUEST, 330 P2P_PENDING_DEV_DISC_RESPONSE, 331 P2P_PENDING_GO_DISC_REQ 332 } pending_action_state; 333 334 unsigned int pending_listen_freq; 335 unsigned int pending_listen_sec; 336 unsigned int pending_listen_usec; 337 338 u8 dev_capab; 339 340 int in_listen; 341 int drv_in_listen; 342 343 /** 344 * sd_queries - Pending service discovery queries 345 */ 346 struct p2p_sd_query *sd_queries; 347 348 /** 349 * srv_update_indic - Service Update Indicator for local services 350 */ 351 u16 srv_update_indic; 352 353 struct wpabuf *sd_resp; /* Fragmented SD response */ 354 u8 sd_resp_addr[ETH_ALEN]; 355 u8 sd_resp_dialog_token; 356 size_t sd_resp_pos; /* Offset in sd_resp */ 357 u8 sd_frag_id; 358 359 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 360 u16 sd_rx_update_indic; 361 362 /* P2P Invitation data */ 363 enum p2p_invite_role inv_role; 364 u8 inv_bssid[ETH_ALEN]; 365 int inv_bssid_set; 366 u8 inv_ssid[32]; 367 size_t inv_ssid_len; 368 u8 inv_sa[ETH_ALEN]; 369 u8 inv_group_bssid[ETH_ALEN]; 370 u8 *inv_group_bssid_ptr; 371 u8 inv_go_dev_addr[ETH_ALEN]; 372 u8 inv_status; 373 int inv_op_freq; 374 int inv_persistent; 375 376 enum p2p_discovery_type find_type; 377 unsigned int last_p2p_find_timeout; 378 u8 last_prog_scan_class; 379 u8 last_prog_scan_chan; 380 int p2p_scan_running; 381 enum p2p_after_scan { 382 P2P_AFTER_SCAN_NOTHING, 383 P2P_AFTER_SCAN_LISTEN, 384 P2P_AFTER_SCAN_CONNECT 385 } start_after_scan; 386 u8 after_scan_peer[ETH_ALEN]; 387 struct p2p_pending_action_tx *after_scan_tx; 388 unsigned int after_scan_tx_in_progress:1; 389 390 /* Requested device types for find/search */ 391 unsigned int num_req_dev_types; 392 u8 *req_dev_types; 393 u8 *find_dev_id; 394 u8 find_dev_id_buf[ETH_ALEN]; 395 396 struct os_reltime find_start; /* time of last p2p_find start */ 397 398 struct p2p_group **groups; 399 size_t num_groups; 400 401 struct p2p_device *pending_client_disc_go; 402 u8 pending_client_disc_addr[ETH_ALEN]; 403 u8 pending_dev_disc_dialog_token; 404 u8 pending_dev_disc_addr[ETH_ALEN]; 405 int pending_dev_disc_freq; 406 unsigned int pending_client_disc_freq; 407 408 int ext_listen_only; 409 unsigned int ext_listen_period; 410 unsigned int ext_listen_interval; 411 unsigned int ext_listen_interval_sec; 412 unsigned int ext_listen_interval_usec; 413 414 u8 peer_filter[ETH_ALEN]; 415 416 int cross_connect; 417 418 int best_freq_24; 419 int best_freq_5; 420 int best_freq_overall; 421 int own_freq_preference; 422 423 /** 424 * wps_vendor_ext - WPS Vendor Extensions to add 425 */ 426 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 427 428 /* 429 * user_initiated_pd - Whether a PD request is user initiated or not. 430 */ 431 u8 user_initiated_pd; 432 433 /* 434 * Keep track of which peer a given PD request was sent to. 435 * Used to raise a timeout alert in case there is no response. 436 */ 437 u8 pending_pd_devaddr[ETH_ALEN]; 438 439 /* 440 * Retry counter for provision discovery requests when issued 441 * in IDLE state. 442 */ 443 int pd_retries; 444 445 /** 446 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 447 * 448 * This is is used during PD retries for join-a-group case to use the 449 * correct operating frequency determined from a BSS entry for the GO. 450 */ 451 int pd_force_freq; 452 453 u8 go_timeout; 454 u8 client_timeout; 455 456 /* Extra delay in milliseconds between search iterations */ 457 unsigned int search_delay; 458 int in_search_delay; 459 460#ifdef CONFIG_WIFI_DISPLAY 461 struct wpabuf *wfd_ie_beacon; 462 struct wpabuf *wfd_ie_probe_req; 463 struct wpabuf *wfd_ie_probe_resp; 464 struct wpabuf *wfd_ie_assoc_req; 465 struct wpabuf *wfd_ie_invitation; 466 struct wpabuf *wfd_ie_prov_disc_req; 467 struct wpabuf *wfd_ie_prov_disc_resp; 468 struct wpabuf *wfd_ie_go_neg; 469 struct wpabuf *wfd_dev_info; 470 struct wpabuf *wfd_assoc_bssid; 471 struct wpabuf *wfd_coupled_sink_info; 472#endif /* CONFIG_WIFI_DISPLAY */ 473}; 474 475/** 476 * struct p2p_message - Parsed P2P message (or P2P IE) 477 */ 478struct p2p_message { 479 struct wpabuf *p2p_attributes; 480 struct wpabuf *wps_attributes; 481 struct wpabuf *wfd_subelems; 482 483 u8 dialog_token; 484 485 const u8 *capability; 486 const u8 *go_intent; 487 const u8 *status; 488 const u8 *listen_channel; 489 const u8 *operating_channel; 490 const u8 *channel_list; 491 u8 channel_list_len; 492 const u8 *config_timeout; 493 const u8 *intended_addr; 494 const u8 *group_bssid; 495 const u8 *invitation_flags; 496 497 const u8 *group_info; 498 size_t group_info_len; 499 500 const u8 *group_id; 501 size_t group_id_len; 502 503 const u8 *device_id; 504 505 const u8 *manageability; 506 507 const u8 *noa; 508 size_t noa_len; 509 510 const u8 *ext_listen_timing; 511 512 const u8 *minor_reason_code; 513 514 /* P2P Device Info */ 515 const u8 *p2p_device_info; 516 size_t p2p_device_info_len; 517 const u8 *p2p_device_addr; 518 const u8 *pri_dev_type; 519 u8 num_sec_dev_types; 520 char device_name[33]; 521 u16 config_methods; 522 523 /* WPS IE */ 524 u16 dev_password_id; 525 u16 wps_config_methods; 526 const u8 *wps_pri_dev_type; 527 const u8 *wps_sec_dev_type_list; 528 size_t wps_sec_dev_type_list_len; 529 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 530 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 531 const u8 *manufacturer; 532 size_t manufacturer_len; 533 const u8 *model_name; 534 size_t model_name_len; 535 const u8 *model_number; 536 size_t model_number_len; 537 const u8 *serial_number; 538 size_t serial_number_len; 539 540 /* DS Parameter Set IE */ 541 const u8 *ds_params; 542 543 /* SSID IE */ 544 const u8 *ssid; 545}; 546 547 548#define P2P_MAX_GROUP_ENTRIES 50 549 550struct p2p_group_info { 551 unsigned int num_clients; 552 struct p2p_client_info { 553 const u8 *p2p_device_addr; 554 const u8 *p2p_interface_addr; 555 u8 dev_capab; 556 u16 config_methods; 557 const u8 *pri_dev_type; 558 u8 num_sec_dev_types; 559 const u8 *sec_dev_types; 560 const char *dev_name; 561 size_t dev_name_len; 562 } client[P2P_MAX_GROUP_ENTRIES]; 563}; 564 565 566/* p2p_utils.c */ 567int p2p_random(char *buf, size_t len); 568int p2p_channel_to_freq(int op_class, int channel); 569int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 570void p2p_channels_intersect(const struct p2p_channels *a, 571 const struct p2p_channels *b, 572 struct p2p_channels *res); 573void p2p_channels_union(const struct p2p_channels *a, 574 const struct p2p_channels *b, 575 struct p2p_channels *res); 576void p2p_channels_remove_freqs(struct p2p_channels *chan, 577 const struct wpa_freq_range_list *list); 578int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 579 u8 channel); 580void p2p_channels_dump(struct p2p_data *p2p, const char *title, 581 const struct p2p_channels *chan); 582int p2p_channel_select(struct p2p_channels *chans, const int *classes, 583 u8 *op_class, u8 *op_channel); 584 585/* p2p_parse.c */ 586int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 587int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 588int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 589void p2p_parse_free(struct p2p_message *msg); 590int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 591int p2p_group_info_parse(const u8 *gi, size_t gi_len, 592 struct p2p_group_info *info); 593 594/* p2p_build.c */ 595 596struct p2p_noa_desc { 597 u8 count_type; 598 u32 duration; 599 u32 interval; 600 u32 start_time; 601}; 602 603/* p2p_group.c */ 604const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 605u8 p2p_group_presence_req(struct p2p_group *group, 606 const u8 *client_interface_addr, 607 const u8 *noa, size_t noa_len); 608int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 609 size_t group_id_len); 610void p2p_group_update_ies(struct p2p_group *group); 611void p2p_group_force_beacon_update_ies(struct p2p_group *group); 612struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 613 614 615void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 616void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 617 u8 dialog_token); 618u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 619void p2p_buf_add_status(struct wpabuf *buf, u8 status); 620void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 621 struct p2p_device *peer); 622void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 623void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 624void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 625void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 626void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 627 u8 reg_class, u8 channel); 628void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 629 u8 reg_class, u8 channel); 630void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 631 struct p2p_channels *chan); 632void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 633 u8 client_timeout); 634void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 635void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 636void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 637 const u8 *ssid, size_t ssid_len); 638void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 639void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 640 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 641void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 642 u16 interval); 643void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 644int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 645 int all_attr); 646 647/* p2p_sd.c */ 648struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 649 struct p2p_device *dev); 650void p2p_free_sd_queries(struct p2p_data *p2p); 651void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 652 const u8 *data, size_t len, int rx_freq); 653void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 654 const u8 *data, size_t len, int rx_freq); 655void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 656 const u8 *data, size_t len, int rx_freq); 657void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 658 const u8 *data, size_t len, int rx_freq); 659int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 660 661/* p2p_go_neg.c */ 662int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 663 struct p2p_device *dev, 664 const u8 *channel_list, size_t channel_list_len); 665void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 666 const u8 *data, size_t len, int rx_freq); 667void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 668 const u8 *data, size_t len, int rx_freq); 669void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 670 const u8 *data, size_t len); 671int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 672u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 673void p2p_reselect_channel(struct p2p_data *p2p, 674 struct p2p_channels *intersection); 675 676/* p2p_pd.c */ 677void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 678 const u8 *data, size_t len, int rx_freq); 679void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 680 const u8 *data, size_t len); 681int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 682 int join, int force_freq); 683void p2p_reset_pending_pd(struct p2p_data *p2p); 684 685/* p2p_invitation.c */ 686void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 687 const u8 *data, size_t len, int rx_freq); 688void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 689 const u8 *data, size_t len); 690int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 691 const u8 *go_dev_addr); 692void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 693void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 694 695/* p2p_dev_disc.c */ 696void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 697 const u8 *data, size_t len, int rx_freq); 698void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 699int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 700void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 701void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 702 const u8 *data, size_t len); 703void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 704void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 705 const u8 *data, size_t len, int rx_freq); 706 707/* p2p.c */ 708void p2p_set_state(struct p2p_data *p2p, int new_state); 709void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 710 unsigned int usec); 711void p2p_clear_timeout(struct p2p_data *p2p); 712void p2p_continue_find(struct p2p_data *p2p); 713struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 714 const u8 *addr, 715 struct p2p_message *msg); 716void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 717 struct p2p_device *dev, struct p2p_message *msg); 718int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 719 struct os_reltime *rx_time, int level, const u8 *ies, 720 size_t ies_len, int scan_res); 721struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 722struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 723 const u8 *addr); 724void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 725 int status); 726void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 727int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 728int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 729 size_t num_req_dev_type); 730struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 731void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 732int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 733 const u8 *src, const u8 *bssid, const u8 *buf, 734 size_t len, unsigned int wait_time); 735void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 736int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 737 unsigned int force_freq, unsigned int pref_freq, 738 int go); 739void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 740PRINTF_FORMAT(2, 3); 741void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 742PRINTF_FORMAT(2, 3); 743void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 744PRINTF_FORMAT(2, 3); 745 746#endif /* P2P_I_H */ 747