p2p_i.h revision a54fa5fb807eaeff45464139b5a7759f060cec68
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 intended_addr[ETH_ALEN]; 56 57 char country[3]; 58 struct p2p_channels channels; 59 int oper_freq; 60 u8 oper_ssid[32]; 61 size_t oper_ssid_len; 62 63 /** 64 * req_config_methods - Pending provision discovery methods 65 */ 66 u16 req_config_methods; 67 68 /** 69 * wps_prov_info - Stored provisioning WPS config method 70 * 71 * This is used to store pending WPS config method between Provisioning 72 * Discovery and connection to a running group. 73 */ 74 u16 wps_prov_info; 75 76#define P2P_DEV_PROBE_REQ_ONLY BIT(0) 77#define P2P_DEV_REPORTED BIT(1) 78#define P2P_DEV_NOT_YET_READY BIT(2) 79#define P2P_DEV_SD_INFO BIT(3) 80#define P2P_DEV_SD_SCHEDULE BIT(4) 81#define P2P_DEV_PD_PEER_DISPLAY BIT(5) 82#define P2P_DEV_PD_PEER_KEYPAD BIT(6) 83#define P2P_DEV_USER_REJECTED BIT(7) 84#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 85#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 86#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 87#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 88#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 89#define P2P_DEV_FORCE_FREQ BIT(13) 90#define P2P_DEV_PD_FOR_JOIN BIT(14) 91#define P2P_DEV_REPORTED_ONCE BIT(15) 92#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 93#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 94 unsigned int flags; 95 96 int status; /* enum p2p_status_code */ 97 unsigned int wait_count; 98 unsigned int connect_reqs; 99 unsigned int invitation_reqs; 100 101 u16 ext_listen_period; 102 u16 ext_listen_interval; 103 104 u8 go_timeout; 105 u8 client_timeout; 106}; 107 108struct p2p_sd_query { 109 struct p2p_sd_query *next; 110 u8 peer[ETH_ALEN]; 111 int for_all_peers; 112 int wsd; /* Wi-Fi Display Service Discovery Request */ 113 struct wpabuf *tlvs; 114}; 115 116struct p2p_pending_action_tx { 117 unsigned int freq; 118 u8 dst[ETH_ALEN]; 119 u8 src[ETH_ALEN]; 120 u8 bssid[ETH_ALEN]; 121 size_t len; 122 unsigned int wait_time; 123 /* Followed by len octets of the frame */ 124}; 125 126/** 127 * struct p2p_data - P2P module data (internal to P2P module) 128 */ 129struct p2p_data { 130 /** 131 * cfg - P2P module configuration 132 * 133 * This is included in the same memory allocation with the 134 * struct p2p_data and as such, must not be freed separately. 135 */ 136 struct p2p_config *cfg; 137 138 /** 139 * state - The current P2P state 140 */ 141 enum p2p_state { 142 /** 143 * P2P_IDLE - Idle 144 */ 145 P2P_IDLE, 146 147 /** 148 * P2P_SEARCH - Search (Device Discovery) 149 */ 150 P2P_SEARCH, 151 152 /** 153 * P2P_CONNECT - Trying to start GO Negotiation 154 */ 155 P2P_CONNECT, 156 157 /** 158 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 159 */ 160 P2P_CONNECT_LISTEN, 161 162 /** 163 * P2P_GO_NEG - In GO Negotiation 164 */ 165 P2P_GO_NEG, 166 167 /** 168 * P2P_LISTEN_ONLY - Listen only 169 */ 170 P2P_LISTEN_ONLY, 171 172 /** 173 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 174 */ 175 P2P_WAIT_PEER_CONNECT, 176 177 /** 178 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 179 */ 180 P2P_WAIT_PEER_IDLE, 181 182 /** 183 * P2P_SD_DURING_FIND - Service Discovery during find 184 */ 185 P2P_SD_DURING_FIND, 186 187 /** 188 * P2P_PROVISIONING - Provisioning (during group formation) 189 */ 190 P2P_PROVISIONING, 191 192 /** 193 * P2P_PD_DURING_FIND - Provision Discovery during find 194 */ 195 P2P_PD_DURING_FIND, 196 197 /** 198 * P2P_INVITE - Trying to start Invite 199 */ 200 P2P_INVITE, 201 202 /** 203 * P2P_INVITE_LISTEN - Listen during Invite 204 */ 205 P2P_INVITE_LISTEN, 206 207 /** 208 * P2P_SEARCH_WHEN_READY - Waiting to start Search 209 */ 210 P2P_SEARCH_WHEN_READY, 211 212 /** 213 * P2P_CONTINUE_SEARCH_WHEN_READY - Waiting to continue Search 214 */ 215 P2P_CONTINUE_SEARCH_WHEN_READY, 216 } state; 217 218 /** 219 * min_disc_int - minDiscoverableInterval 220 */ 221 int min_disc_int; 222 223 /** 224 * max_disc_int - maxDiscoverableInterval 225 */ 226 int max_disc_int; 227 228 /** 229 * max_disc_tu - Maximum number of TUs for discoverable interval 230 */ 231 int max_disc_tu; 232 233 /** 234 * devices - List of known P2P Device peers 235 */ 236 struct dl_list devices; 237 238#ifdef ANDROID_P2P 239 /** 240 * sd_dev_list - device pointer to be serviced next 241 * for service discovery 242 */ 243 struct dl_list *sd_dev_list; 244#endif 245 246 /** 247 * go_neg_peer - Pointer to GO Negotiation peer 248 */ 249 struct p2p_device *go_neg_peer; 250 251 /** 252 * invite_peer - Pointer to Invite peer 253 */ 254 struct p2p_device *invite_peer; 255 256 const u8 *invite_go_dev_addr; 257 u8 invite_go_dev_addr_buf[ETH_ALEN]; 258 259 /** 260 * sd_peer - Pointer to Service Discovery peer 261 */ 262 struct p2p_device *sd_peer; 263 264 /** 265 * sd_query - Pointer to Service Discovery query 266 */ 267 struct p2p_sd_query *sd_query; 268 269 /* GO Negotiation data */ 270 271 /** 272 * intended_addr - Local Intended P2P Interface Address 273 * 274 * This address is used during group owner negotiation as the Intended 275 * P2P Interface Address and the group interface will be created with 276 * address as the local address in case of successfully completed 277 * negotiation. 278 */ 279 u8 intended_addr[ETH_ALEN]; 280 281 /** 282 * go_intent - Local GO Intent to be used during GO Negotiation 283 */ 284 u8 go_intent; 285 286 /** 287 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 288 */ 289 u8 next_tie_breaker; 290 291 /** 292 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 293 */ 294 u8 ssid[32]; 295 296 /** 297 * ssid_len - ssid length in octets 298 */ 299 size_t ssid_len; 300 301 /** 302 * ssid_set - Whether SSID is already set for GO Negotiation 303 */ 304 int ssid_set; 305 306 /** 307 * Regulatory class for own operational channel 308 */ 309 u8 op_reg_class; 310 311 /** 312 * op_channel - Own operational channel 313 */ 314 u8 op_channel; 315 316 /** 317 * channels - Own supported regulatory classes and channels 318 * 319 * List of supposerted channels per regulatory class. The regulatory 320 * classes are defined in IEEE Std 802.11-2007 Annex J and the 321 * numbering of the clases depends on the configured country code. 322 */ 323 struct p2p_channels channels; 324 325 enum p2p_pending_action_state { 326 P2P_NO_PENDING_ACTION, 327 P2P_PENDING_GO_NEG_REQUEST, 328 P2P_PENDING_GO_NEG_RESPONSE, 329 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 330 P2P_PENDING_GO_NEG_CONFIRM, 331 P2P_PENDING_SD, 332 P2P_PENDING_PD, 333 P2P_PENDING_INVITATION_REQUEST, 334 P2P_PENDING_INVITATION_RESPONSE, 335 P2P_PENDING_DEV_DISC_REQUEST, 336 P2P_PENDING_DEV_DISC_RESPONSE, 337 P2P_PENDING_GO_DISC_REQ 338 } pending_action_state; 339 340 unsigned int pending_listen_freq; 341 unsigned int pending_listen_sec; 342 unsigned int pending_listen_usec; 343 344 u8 dev_capab; 345 346 int in_listen; 347 int drv_in_listen; 348 349 /** 350 * sd_queries - Pending service discovery queries 351 */ 352 struct p2p_sd_query *sd_queries; 353 354 /** 355 * srv_update_indic - Service Update Indicator for local services 356 */ 357 u16 srv_update_indic; 358#ifdef ANDROID_P2P 359 /** 360 * srv_count - Registered services count 361 */ 362 u16 srv_count; 363#endif 364 struct wpabuf *sd_resp; /* Fragmented SD response */ 365 u8 sd_resp_addr[ETH_ALEN]; 366 u8 sd_resp_dialog_token; 367 size_t sd_resp_pos; /* Offset in sd_resp */ 368 u8 sd_frag_id; 369 370 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 371 u16 sd_rx_update_indic; 372 373 /* P2P Invitation data */ 374 enum p2p_invite_role inv_role; 375 u8 inv_bssid[ETH_ALEN]; 376 int inv_bssid_set; 377 u8 inv_ssid[32]; 378 size_t inv_ssid_len; 379 u8 inv_sa[ETH_ALEN]; 380 u8 inv_group_bssid[ETH_ALEN]; 381 u8 *inv_group_bssid_ptr; 382 u8 inv_go_dev_addr[ETH_ALEN]; 383 u8 inv_status; 384 int inv_op_freq; 385 int inv_persistent; 386 387 enum p2p_discovery_type find_type; 388 unsigned int last_p2p_find_timeout; 389 u8 last_prog_scan_class; 390 u8 last_prog_scan_chan; 391 int p2p_scan_running; 392 enum p2p_after_scan { 393 P2P_AFTER_SCAN_NOTHING, 394 P2P_AFTER_SCAN_LISTEN, 395 P2P_AFTER_SCAN_CONNECT 396 } start_after_scan; 397 u8 after_scan_peer[ETH_ALEN]; 398 struct p2p_pending_action_tx *after_scan_tx; 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 p2p_group **groups; 407 size_t num_groups; 408 409 struct p2p_device *pending_client_disc_go; 410 u8 pending_client_disc_addr[ETH_ALEN]; 411 u8 pending_dev_disc_dialog_token; 412 u8 pending_dev_disc_addr[ETH_ALEN]; 413 int pending_dev_disc_freq; 414 unsigned int pending_client_disc_freq; 415 416 int ext_listen_only; 417 unsigned int ext_listen_period; 418 unsigned int ext_listen_interval; 419 unsigned int ext_listen_interval_sec; 420 unsigned int ext_listen_interval_usec; 421 422 u8 peer_filter[ETH_ALEN]; 423 424 int cross_connect; 425 426 int best_freq_24; 427 int best_freq_5; 428 int best_freq_overall; 429 430 /** 431 * wps_vendor_ext - WPS Vendor Extensions to add 432 */ 433 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 434 435 /* 436 * user_initiated_pd - Whether a PD request is user initiated or not. 437 */ 438 u8 user_initiated_pd; 439 440 /* 441 * Keep track of which peer a given PD request was sent to. 442 * Used to raise a timeout alert in case there is no response. 443 */ 444 u8 pending_pd_devaddr[ETH_ALEN]; 445 446 /* 447 * Retry counter for provision discovery requests when issued 448 * in IDLE state. 449 */ 450 int pd_retries; 451 452 u8 go_timeout; 453 u8 client_timeout; 454 455 /* Extra delay in milliseconds between search iterations */ 456 unsigned int search_delay; 457 int in_search_delay; 458 459#ifdef CONFIG_WIFI_DISPLAY 460 struct wpabuf *wfd_ie_beacon; 461 struct wpabuf *wfd_ie_probe_req; 462 struct wpabuf *wfd_ie_probe_resp; 463 struct wpabuf *wfd_ie_assoc_req; 464 struct wpabuf *wfd_ie_invitation; 465 struct wpabuf *wfd_ie_prov_disc_req; 466 struct wpabuf *wfd_ie_prov_disc_resp; 467 struct wpabuf *wfd_ie_go_neg; 468 struct wpabuf *wfd_dev_info; 469 struct wpabuf *wfd_assoc_bssid; 470 struct wpabuf *wfd_coupled_sink_info; 471#endif /* CONFIG_WIFI_DISPLAY */ 472}; 473 474/** 475 * struct p2p_message - Parsed P2P message (or P2P IE) 476 */ 477struct p2p_message { 478 struct wpabuf *p2p_attributes; 479 struct wpabuf *wps_attributes; 480 struct wpabuf *wfd_subelems; 481 482 u8 dialog_token; 483 484 const u8 *capability; 485 const u8 *go_intent; 486 const u8 *status; 487 const u8 *listen_channel; 488 const u8 *operating_channel; 489 const u8 *channel_list; 490 u8 channel_list_len; 491 const u8 *config_timeout; 492 const u8 *intended_addr; 493 const u8 *group_bssid; 494 const u8 *invitation_flags; 495 496 const u8 *group_info; 497 size_t group_info_len; 498 499 const u8 *group_id; 500 size_t group_id_len; 501 502 const u8 *device_id; 503 504 const u8 *manageability; 505 506 const u8 *noa; 507 size_t noa_len; 508 509 const u8 *ext_listen_timing; 510 511 const u8 *minor_reason_code; 512 513 /* P2P Device Info */ 514 const u8 *p2p_device_info; 515 size_t p2p_device_info_len; 516 const u8 *p2p_device_addr; 517 const u8 *pri_dev_type; 518 u8 num_sec_dev_types; 519 char device_name[33]; 520 u16 config_methods; 521 522 /* WPS IE */ 523 u16 dev_password_id; 524 u16 wps_config_methods; 525 const u8 *wps_pri_dev_type; 526 const u8 *wps_sec_dev_type_list; 527 size_t wps_sec_dev_type_list_len; 528 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 529 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 530 const u8 *manufacturer; 531 size_t manufacturer_len; 532 const u8 *model_name; 533 size_t model_name_len; 534 const u8 *model_number; 535 size_t model_number_len; 536 const u8 *serial_number; 537 size_t serial_number_len; 538 539 /* DS Parameter Set IE */ 540 const u8 *ds_params; 541 542 /* SSID IE */ 543 const u8 *ssid; 544}; 545 546 547#define P2P_MAX_GROUP_ENTRIES 50 548 549struct p2p_group_info { 550 unsigned int num_clients; 551 struct p2p_client_info { 552 const u8 *p2p_device_addr; 553 const u8 *p2p_interface_addr; 554 u8 dev_capab; 555 u16 config_methods; 556 const u8 *pri_dev_type; 557 u8 num_sec_dev_types; 558 const u8 *sec_dev_types; 559 const char *dev_name; 560 size_t dev_name_len; 561 } client[P2P_MAX_GROUP_ENTRIES]; 562}; 563 564 565/* p2p_utils.c */ 566int p2p_random(char *buf, size_t len); 567int p2p_channel_to_freq(const char *country, int reg_class, int channel); 568int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class, 569 u8 *channel); 570void p2p_channels_intersect(const struct p2p_channels *a, 571 const struct p2p_channels *b, 572 struct p2p_channels *res); 573int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 574 u8 channel); 575 576/* p2p_parse.c */ 577int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 578int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 579int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 580void p2p_parse_free(struct p2p_message *msg); 581int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 582int p2p_group_info_parse(const u8 *gi, size_t gi_len, 583 struct p2p_group_info *info); 584 585/* p2p_build.c */ 586 587struct p2p_noa_desc { 588 u8 count_type; 589 u32 duration; 590 u32 interval; 591 u32 start_time; 592}; 593 594/* p2p_group.c */ 595const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 596u8 p2p_group_presence_req(struct p2p_group *group, 597 const u8 *client_interface_addr, 598 const u8 *noa, size_t noa_len); 599int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 600 size_t group_id_len); 601void p2p_group_update_ies(struct p2p_group *group); 602struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 603 604 605void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 606void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 607 u8 dialog_token); 608u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 609void p2p_buf_add_status(struct wpabuf *buf, u8 status); 610void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 611 struct p2p_device *peer); 612void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 613void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 614void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 615void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 616void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 617 u8 reg_class, u8 channel); 618void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 619 u8 reg_class, u8 channel); 620void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 621 struct p2p_channels *chan); 622void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 623 u8 client_timeout); 624void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 625void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 626void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 627 const u8 *ssid, size_t ssid_len); 628void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 629void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 630 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 631void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 632 u16 interval); 633void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 634void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 635 int all_attr); 636 637/* p2p_sd.c */ 638struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 639 struct p2p_device *dev); 640void p2p_free_sd_queries(struct p2p_data *p2p); 641void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 642 const u8 *data, size_t len, int rx_freq); 643void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 644 const u8 *data, size_t len, int rx_freq); 645void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 646 const u8 *data, size_t len, int rx_freq); 647void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 648 const u8 *data, size_t len, int rx_freq); 649int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 650 651/* p2p_go_neg.c */ 652int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 653 struct p2p_device *dev, 654 const u8 *channel_list, size_t channel_list_len); 655void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 656 const u8 *data, size_t len, int rx_freq); 657void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 658 const u8 *data, size_t len, int rx_freq); 659void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 660 const u8 *data, size_t len); 661int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 662u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 663void p2p_reselect_channel(struct p2p_data *p2p, 664 struct p2p_channels *intersection); 665 666/* p2p_pd.c */ 667void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 668 const u8 *data, size_t len, int rx_freq); 669void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 670 const u8 *data, size_t len); 671int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 672 int join, int force_freq); 673void p2p_reset_pending_pd(struct p2p_data *p2p); 674 675/* p2p_invitation.c */ 676void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 677 const u8 *data, size_t len, int rx_freq); 678void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 679 const u8 *data, size_t len); 680int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 681 const u8 *go_dev_addr); 682void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 683void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 684 685/* p2p_dev_disc.c */ 686void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 687 const u8 *data, size_t len, int rx_freq); 688void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 689int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 690void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 691void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 692 const u8 *data, size_t len); 693void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 694void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 695 const u8 *data, size_t len, int rx_freq); 696 697/* p2p.c */ 698void p2p_set_state(struct p2p_data *p2p, int new_state); 699void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 700 unsigned int usec); 701void p2p_clear_timeout(struct p2p_data *p2p); 702void p2p_continue_find(struct p2p_data *p2p); 703struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 704 const u8 *addr, 705 struct p2p_message *msg); 706void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 707 struct p2p_device *dev, struct p2p_message *msg); 708int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 709 unsigned int age_ms, int level, const u8 *ies, 710 size_t ies_len, int scan_res); 711struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 712struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 713 const u8 *addr); 714void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 715 int status); 716void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 717int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 718int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 719 size_t num_req_dev_type); 720struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 721void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 722int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 723 const u8 *src, const u8 *bssid, const u8 *buf, 724 size_t len, unsigned int wait_time); 725void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 726 727#endif /* P2P_I_H */ 728