p2p_i.h revision b5e8f06e18446918f6d801566e5709a8c87f1780
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 struct wpabuf *tlvs; 113}; 114 115struct p2p_pending_action_tx { 116 unsigned int freq; 117 u8 dst[ETH_ALEN]; 118 u8 src[ETH_ALEN]; 119 u8 bssid[ETH_ALEN]; 120 size_t len; 121 unsigned int wait_time; 122 /* Followed by len octets of the frame */ 123}; 124 125/** 126 * struct p2p_data - P2P module data (internal to P2P module) 127 */ 128struct p2p_data { 129 /** 130 * cfg - P2P module configuration 131 * 132 * This is included in the same memory allocation with the 133 * struct p2p_data and as such, must not be freed separately. 134 */ 135 struct p2p_config *cfg; 136 137 /** 138 * state - The current P2P state 139 */ 140 enum p2p_state { 141 /** 142 * P2P_IDLE - Idle 143 */ 144 P2P_IDLE, 145 146 /** 147 * P2P_SEARCH - Search (Device Discovery) 148 */ 149 P2P_SEARCH, 150 151 /** 152 * P2P_CONNECT - Trying to start GO Negotiation 153 */ 154 P2P_CONNECT, 155 156 /** 157 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 158 */ 159 P2P_CONNECT_LISTEN, 160 161 /** 162 * P2P_GO_NEG - In GO Negotiation 163 */ 164 P2P_GO_NEG, 165 166 /** 167 * P2P_LISTEN_ONLY - Listen only 168 */ 169 P2P_LISTEN_ONLY, 170 171 /** 172 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 173 */ 174 P2P_WAIT_PEER_CONNECT, 175 176 /** 177 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 178 */ 179 P2P_WAIT_PEER_IDLE, 180 181 /** 182 * P2P_SD_DURING_FIND - Service Discovery during find 183 */ 184 P2P_SD_DURING_FIND, 185 186 /** 187 * P2P_PROVISIONING - Provisioning (during group formation) 188 */ 189 P2P_PROVISIONING, 190 191 /** 192 * P2P_PD_DURING_FIND - Provision Discovery during find 193 */ 194 P2P_PD_DURING_FIND, 195 196 /** 197 * P2P_INVITE - Trying to start Invite 198 */ 199 P2P_INVITE, 200 201 /** 202 * P2P_INVITE_LISTEN - Listen during Invite 203 */ 204 P2P_INVITE_LISTEN, 205 206 /** 207 * P2P_SEARCH_WHEN_READY - Waiting to start Search 208 */ 209 P2P_SEARCH_WHEN_READY, 210 } state; 211 212 /** 213 * min_disc_int - minDiscoverableInterval 214 */ 215 int min_disc_int; 216 217 /** 218 * max_disc_int - maxDiscoverableInterval 219 */ 220 int max_disc_int; 221 222 /** 223 * devices - List of known P2P Device peers 224 */ 225 struct dl_list devices; 226 227#ifdef ANDROID_P2P 228 /** 229 * sd_dev_list - device pointer to be serviced next 230 * for service discovery 231 */ 232 struct dl_list *sd_dev_list; 233#endif 234 235 /** 236 * go_neg_peer - Pointer to GO Negotiation peer 237 */ 238 struct p2p_device *go_neg_peer; 239 240 /** 241 * invite_peer - Pointer to Invite peer 242 */ 243 struct p2p_device *invite_peer; 244 245 const u8 *invite_go_dev_addr; 246 u8 invite_go_dev_addr_buf[ETH_ALEN]; 247 248 /** 249 * sd_peer - Pointer to Service Discovery peer 250 */ 251 struct p2p_device *sd_peer; 252 253 /** 254 * sd_query - Pointer to Service Discovery query 255 */ 256 struct p2p_sd_query *sd_query; 257 258 /* GO Negotiation data */ 259 260 /** 261 * intended_addr - Local Intended P2P Interface Address 262 * 263 * This address is used during group owner negotiation as the Intended 264 * P2P Interface Address and the group interface will be created with 265 * address as the local address in case of successfully completed 266 * negotiation. 267 */ 268 u8 intended_addr[ETH_ALEN]; 269 270 /** 271 * go_intent - Local GO Intent to be used during GO Negotiation 272 */ 273 u8 go_intent; 274 275 /** 276 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 277 */ 278 u8 next_tie_breaker; 279 280 /** 281 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 282 */ 283 u8 ssid[32]; 284 285 /** 286 * ssid_len - ssid length in octets 287 */ 288 size_t ssid_len; 289 290 /** 291 * ssid_set - Whether SSID is already set for GO Negotiation 292 */ 293 int ssid_set; 294 295 /** 296 * Regulatory class for own operational channel 297 */ 298 u8 op_reg_class; 299 300 /** 301 * op_channel - Own operational channel 302 */ 303 u8 op_channel; 304 305 /** 306 * channels - Own supported regulatory classes and channels 307 * 308 * List of supposerted channels per regulatory class. The regulatory 309 * classes are defined in IEEE Std 802.11-2007 Annex J and the 310 * numbering of the clases depends on the configured country code. 311 */ 312 struct p2p_channels channels; 313 314 enum p2p_pending_action_state { 315 P2P_NO_PENDING_ACTION, 316 P2P_PENDING_GO_NEG_REQUEST, 317 P2P_PENDING_GO_NEG_RESPONSE, 318 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 319 P2P_PENDING_GO_NEG_CONFIRM, 320 P2P_PENDING_SD, 321 P2P_PENDING_PD, 322 P2P_PENDING_INVITATION_REQUEST, 323 P2P_PENDING_INVITATION_RESPONSE, 324 P2P_PENDING_DEV_DISC_REQUEST, 325 P2P_PENDING_DEV_DISC_RESPONSE, 326 P2P_PENDING_GO_DISC_REQ 327 } pending_action_state; 328 329 unsigned int pending_listen_freq; 330 unsigned int pending_listen_sec; 331 unsigned int pending_listen_usec; 332 333 u8 dev_capab; 334 335 int in_listen; 336 int drv_in_listen; 337 338 /** 339 * sd_queries - Pending service discovery queries 340 */ 341 struct p2p_sd_query *sd_queries; 342 343 /** 344 * srv_update_indic - Service Update Indicator for local services 345 */ 346 u16 srv_update_indic; 347#ifdef ANDROID_P2P 348 /** 349 * srv_count - Registered services count 350 */ 351 u16 srv_count; 352#endif 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; 388 389 /* Requested device types for find/search */ 390 unsigned int num_req_dev_types; 391 u8 *req_dev_types; 392 u8 *find_dev_id; 393 u8 find_dev_id_buf[ETH_ALEN]; 394 395 struct p2p_group **groups; 396 size_t num_groups; 397 398 struct p2p_device *pending_client_disc_go; 399 u8 pending_client_disc_addr[ETH_ALEN]; 400 u8 pending_dev_disc_dialog_token; 401 u8 pending_dev_disc_addr[ETH_ALEN]; 402 int pending_dev_disc_freq; 403 unsigned int pending_client_disc_freq; 404 405 int ext_listen_only; 406 unsigned int ext_listen_period; 407 unsigned int ext_listen_interval; 408 unsigned int ext_listen_interval_sec; 409 unsigned int ext_listen_interval_usec; 410 411 u8 peer_filter[ETH_ALEN]; 412 413 int cross_connect; 414 415 int best_freq_24; 416 int best_freq_5; 417 int best_freq_overall; 418 419 /** 420 * wps_vendor_ext - WPS Vendor Extensions to add 421 */ 422 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 423 424 /* 425 * user_initiated_pd - Whether a PD request is user initiated or not. 426 */ 427 u8 user_initiated_pd; 428 429 /* 430 * Keep track of which peer a given PD request was sent to. 431 * Used to raise a timeout alert in case there is no response. 432 */ 433 u8 pending_pd_devaddr[ETH_ALEN]; 434 435 /* 436 * Retry counter for provision discovery requests when issued 437 * in IDLE state. 438 */ 439 int pd_retries; 440}; 441 442/** 443 * struct p2p_message - Parsed P2P message (or P2P IE) 444 */ 445struct p2p_message { 446 struct wpabuf *p2p_attributes; 447 struct wpabuf *wps_attributes; 448 449 u8 dialog_token; 450 451 const u8 *capability; 452 const u8 *go_intent; 453 const u8 *status; 454 const u8 *listen_channel; 455 const u8 *operating_channel; 456 const u8 *channel_list; 457 u8 channel_list_len; 458 const u8 *config_timeout; 459 const u8 *intended_addr; 460 const u8 *group_bssid; 461 const u8 *invitation_flags; 462 463 const u8 *group_info; 464 size_t group_info_len; 465 466 const u8 *group_id; 467 size_t group_id_len; 468 469 const u8 *device_id; 470 471 const u8 *manageability; 472 473 const u8 *noa; 474 size_t noa_len; 475 476 const u8 *ext_listen_timing; 477 478 const u8 *minor_reason_code; 479 480 /* P2P Device Info */ 481 const u8 *p2p_device_info; 482 size_t p2p_device_info_len; 483 const u8 *p2p_device_addr; 484 const u8 *pri_dev_type; 485 u8 num_sec_dev_types; 486 char device_name[33]; 487 u16 config_methods; 488 489 /* WPS IE */ 490 u16 dev_password_id; 491 u16 wps_config_methods; 492 const u8 *wps_pri_dev_type; 493 const u8 *wps_sec_dev_type_list; 494 size_t wps_sec_dev_type_list_len; 495 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 496 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 497 const u8 *manufacturer; 498 size_t manufacturer_len; 499 const u8 *model_name; 500 size_t model_name_len; 501 const u8 *model_number; 502 size_t model_number_len; 503 const u8 *serial_number; 504 size_t serial_number_len; 505 506 /* DS Parameter Set IE */ 507 const u8 *ds_params; 508 509 /* SSID IE */ 510 const u8 *ssid; 511}; 512 513 514#define P2P_MAX_GROUP_ENTRIES 50 515 516struct p2p_group_info { 517 unsigned int num_clients; 518 struct p2p_client_info { 519 const u8 *p2p_device_addr; 520 const u8 *p2p_interface_addr; 521 u8 dev_capab; 522 u16 config_methods; 523 const u8 *pri_dev_type; 524 u8 num_sec_dev_types; 525 const u8 *sec_dev_types; 526 const char *dev_name; 527 size_t dev_name_len; 528 } client[P2P_MAX_GROUP_ENTRIES]; 529}; 530 531 532/* p2p_utils.c */ 533int p2p_random(char *buf, size_t len); 534int p2p_channel_to_freq(const char *country, int reg_class, int channel); 535int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class, 536 u8 *channel); 537void p2p_channels_intersect(const struct p2p_channels *a, 538 const struct p2p_channels *b, 539 struct p2p_channels *res); 540int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 541 u8 channel); 542 543/* p2p_parse.c */ 544int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 545int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 546int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 547void p2p_parse_free(struct p2p_message *msg); 548int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 549int p2p_group_info_parse(const u8 *gi, size_t gi_len, 550 struct p2p_group_info *info); 551 552/* p2p_build.c */ 553 554struct p2p_noa_desc { 555 u8 count_type; 556 u32 duration; 557 u32 interval; 558 u32 start_time; 559}; 560 561/* p2p_group.c */ 562const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 563u8 p2p_group_presence_req(struct p2p_group *group, 564 const u8 *client_interface_addr, 565 const u8 *noa, size_t noa_len); 566int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 567 size_t group_id_len); 568 569 570void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 571void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 572 u8 dialog_token); 573u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 574void p2p_buf_add_status(struct wpabuf *buf, u8 status); 575void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 576 struct p2p_device *peer); 577void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 578void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 579void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 580void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 581void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 582 u8 reg_class, u8 channel); 583void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 584 u8 reg_class, u8 channel); 585void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 586 struct p2p_channels *chan); 587void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 588 u8 client_timeout); 589void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 590void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 591void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 592 const u8 *ssid, size_t ssid_len); 593void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 594void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 595 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 596void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 597 u16 interval); 598void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 599void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 600 int all_attr); 601 602/* p2p_sd.c */ 603struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 604 struct p2p_device *dev); 605void p2p_free_sd_queries(struct p2p_data *p2p); 606void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 607 const u8 *data, size_t len, int rx_freq); 608void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 609 const u8 *data, size_t len, int rx_freq); 610void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 611 const u8 *data, size_t len, int rx_freq); 612void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 613 const u8 *data, size_t len, int rx_freq); 614int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 615 616/* p2p_go_neg.c */ 617int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 618 struct p2p_device *dev, 619 const u8 *channel_list, size_t channel_list_len); 620void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 621 const u8 *data, size_t len, int rx_freq); 622void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 623 const u8 *data, size_t len, int rx_freq); 624void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 625 const u8 *data, size_t len); 626int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 627u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 628 629/* p2p_pd.c */ 630void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 631 const u8 *data, size_t len, int rx_freq); 632void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 633 const u8 *data, size_t len); 634int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 635 int join, int force_freq); 636void p2p_reset_pending_pd(struct p2p_data *p2p); 637 638/* p2p_invitation.c */ 639void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 640 const u8 *data, size_t len, int rx_freq); 641void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 642 const u8 *data, size_t len); 643int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 644 const u8 *go_dev_addr); 645void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 646void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 647 648/* p2p_dev_disc.c */ 649void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 650 const u8 *data, size_t len, int rx_freq); 651void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 652int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 653void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 654void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 655 const u8 *data, size_t len); 656void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 657void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 658 const u8 *data, size_t len, int rx_freq); 659 660/* p2p.c */ 661void p2p_set_state(struct p2p_data *p2p, int new_state); 662void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 663 unsigned int usec); 664void p2p_clear_timeout(struct p2p_data *p2p); 665void p2p_continue_find(struct p2p_data *p2p); 666struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 667 const u8 *addr, 668 struct p2p_message *msg); 669void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 670 struct p2p_device *dev, struct p2p_message *msg); 671int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level, 672 const u8 *ies, size_t ies_len, int scan_res); 673struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 674struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 675 const u8 *addr); 676void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 677 int status); 678void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 679int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 680int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 681 size_t num_req_dev_type); 682struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 683void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 684int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 685 const u8 *src, const u8 *bssid, const u8 *buf, 686 size_t len, unsigned int wait_time); 687void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 688 689#endif /* P2P_I_H */ 690