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 /** 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 enum p2p_pending_action_state { 318 P2P_NO_PENDING_ACTION, 319 P2P_PENDING_GO_NEG_REQUEST, 320 P2P_PENDING_GO_NEG_RESPONSE, 321 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 322 P2P_PENDING_GO_NEG_CONFIRM, 323 P2P_PENDING_SD, 324 P2P_PENDING_PD, 325 P2P_PENDING_INVITATION_REQUEST, 326 P2P_PENDING_INVITATION_RESPONSE, 327 P2P_PENDING_DEV_DISC_REQUEST, 328 P2P_PENDING_DEV_DISC_RESPONSE, 329 P2P_PENDING_GO_DISC_REQ 330 } pending_action_state; 331 332 unsigned int pending_listen_freq; 333 unsigned int pending_listen_sec; 334 unsigned int pending_listen_usec; 335 336 u8 dev_capab; 337 338 int in_listen; 339 int drv_in_listen; 340 341 /** 342 * sd_queries - Pending service discovery queries 343 */ 344 struct p2p_sd_query *sd_queries; 345 346 /** 347 * srv_update_indic - Service Update Indicator for local services 348 */ 349 u16 srv_update_indic; 350 351 struct wpabuf *sd_resp; /* Fragmented SD response */ 352 u8 sd_resp_addr[ETH_ALEN]; 353 u8 sd_resp_dialog_token; 354 size_t sd_resp_pos; /* Offset in sd_resp */ 355 u8 sd_frag_id; 356 357 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 358 u16 sd_rx_update_indic; 359 360 /* P2P Invitation data */ 361 enum p2p_invite_role inv_role; 362 u8 inv_bssid[ETH_ALEN]; 363 int inv_bssid_set; 364 u8 inv_ssid[32]; 365 size_t inv_ssid_len; 366 u8 inv_sa[ETH_ALEN]; 367 u8 inv_group_bssid[ETH_ALEN]; 368 u8 *inv_group_bssid_ptr; 369 u8 inv_go_dev_addr[ETH_ALEN]; 370 u8 inv_status; 371 int inv_op_freq; 372 int inv_persistent; 373 374 enum p2p_discovery_type find_type; 375 unsigned int last_p2p_find_timeout; 376 u8 last_prog_scan_class; 377 u8 last_prog_scan_chan; 378 int p2p_scan_running; 379 enum p2p_after_scan { 380 P2P_AFTER_SCAN_NOTHING, 381 P2P_AFTER_SCAN_LISTEN, 382 P2P_AFTER_SCAN_CONNECT 383 } start_after_scan; 384 u8 after_scan_peer[ETH_ALEN]; 385 struct p2p_pending_action_tx *after_scan_tx; 386 387 /* Requested device types for find/search */ 388 unsigned int num_req_dev_types; 389 u8 *req_dev_types; 390 u8 *find_dev_id; 391 u8 find_dev_id_buf[ETH_ALEN]; 392 393 struct p2p_group **groups; 394 size_t num_groups; 395 396 struct p2p_device *pending_client_disc_go; 397 u8 pending_client_disc_addr[ETH_ALEN]; 398 u8 pending_dev_disc_dialog_token; 399 u8 pending_dev_disc_addr[ETH_ALEN]; 400 int pending_dev_disc_freq; 401 unsigned int pending_client_disc_freq; 402 403 int ext_listen_only; 404 unsigned int ext_listen_period; 405 unsigned int ext_listen_interval; 406 unsigned int ext_listen_interval_sec; 407 unsigned int ext_listen_interval_usec; 408 409 u8 peer_filter[ETH_ALEN]; 410 411 int cross_connect; 412 413 int best_freq_24; 414 int best_freq_5; 415 int best_freq_overall; 416 417 /** 418 * wps_vendor_ext - WPS Vendor Extensions to add 419 */ 420 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 421 422 /* 423 * user_initiated_pd - Whether a PD request is user initiated or not. 424 */ 425 u8 user_initiated_pd; 426 427 /* 428 * Keep track of which peer a given PD request was sent to. 429 * Used to raise a timeout alert in case there is no response. 430 */ 431 u8 pending_pd_devaddr[ETH_ALEN]; 432 433 /* 434 * Retry counter for provision discovery requests when issued 435 * in IDLE state. 436 */ 437 int pd_retries; 438 439 u8 go_timeout; 440 u8 client_timeout; 441 442 /* Extra delay in milliseconds between search iterations */ 443 unsigned int search_delay; 444 int in_search_delay; 445 446#ifdef CONFIG_WIFI_DISPLAY 447 struct wpabuf *wfd_ie_beacon; 448 struct wpabuf *wfd_ie_probe_req; 449 struct wpabuf *wfd_ie_probe_resp; 450 struct wpabuf *wfd_ie_assoc_req; 451 struct wpabuf *wfd_ie_invitation; 452 struct wpabuf *wfd_ie_prov_disc_req; 453 struct wpabuf *wfd_ie_prov_disc_resp; 454 struct wpabuf *wfd_ie_go_neg; 455 struct wpabuf *wfd_dev_info; 456 struct wpabuf *wfd_assoc_bssid; 457 struct wpabuf *wfd_coupled_sink_info; 458#endif /* CONFIG_WIFI_DISPLAY */ 459}; 460 461/** 462 * struct p2p_message - Parsed P2P message (or P2P IE) 463 */ 464struct p2p_message { 465 struct wpabuf *p2p_attributes; 466 struct wpabuf *wps_attributes; 467 struct wpabuf *wfd_subelems; 468 469 u8 dialog_token; 470 471 const u8 *capability; 472 const u8 *go_intent; 473 const u8 *status; 474 const u8 *listen_channel; 475 const u8 *operating_channel; 476 const u8 *channel_list; 477 u8 channel_list_len; 478 const u8 *config_timeout; 479 const u8 *intended_addr; 480 const u8 *group_bssid; 481 const u8 *invitation_flags; 482 483 const u8 *group_info; 484 size_t group_info_len; 485 486 const u8 *group_id; 487 size_t group_id_len; 488 489 const u8 *device_id; 490 491 const u8 *manageability; 492 493 const u8 *noa; 494 size_t noa_len; 495 496 const u8 *ext_listen_timing; 497 498 const u8 *minor_reason_code; 499 500 /* P2P Device Info */ 501 const u8 *p2p_device_info; 502 size_t p2p_device_info_len; 503 const u8 *p2p_device_addr; 504 const u8 *pri_dev_type; 505 u8 num_sec_dev_types; 506 char device_name[33]; 507 u16 config_methods; 508 509 /* WPS IE */ 510 u16 dev_password_id; 511 u16 wps_config_methods; 512 const u8 *wps_pri_dev_type; 513 const u8 *wps_sec_dev_type_list; 514 size_t wps_sec_dev_type_list_len; 515 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 516 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 517 const u8 *manufacturer; 518 size_t manufacturer_len; 519 const u8 *model_name; 520 size_t model_name_len; 521 const u8 *model_number; 522 size_t model_number_len; 523 const u8 *serial_number; 524 size_t serial_number_len; 525 526 /* DS Parameter Set IE */ 527 const u8 *ds_params; 528 529 /* SSID IE */ 530 const u8 *ssid; 531}; 532 533 534#define P2P_MAX_GROUP_ENTRIES 50 535 536struct p2p_group_info { 537 unsigned int num_clients; 538 struct p2p_client_info { 539 const u8 *p2p_device_addr; 540 const u8 *p2p_interface_addr; 541 u8 dev_capab; 542 u16 config_methods; 543 const u8 *pri_dev_type; 544 u8 num_sec_dev_types; 545 const u8 *sec_dev_types; 546 const char *dev_name; 547 size_t dev_name_len; 548 } client[P2P_MAX_GROUP_ENTRIES]; 549}; 550 551 552/* p2p_utils.c */ 553int p2p_random(char *buf, size_t len); 554int p2p_channel_to_freq(const char *country, int reg_class, int channel); 555int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class, 556 u8 *channel); 557void p2p_channels_intersect(const struct p2p_channels *a, 558 const struct p2p_channels *b, 559 struct p2p_channels *res); 560int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 561 u8 channel); 562 563/* p2p_parse.c */ 564int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 565int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 566int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 567void p2p_parse_free(struct p2p_message *msg); 568int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 569int p2p_group_info_parse(const u8 *gi, size_t gi_len, 570 struct p2p_group_info *info); 571 572/* p2p_build.c */ 573 574struct p2p_noa_desc { 575 u8 count_type; 576 u32 duration; 577 u32 interval; 578 u32 start_time; 579}; 580 581/* p2p_group.c */ 582const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 583u8 p2p_group_presence_req(struct p2p_group *group, 584 const u8 *client_interface_addr, 585 const u8 *noa, size_t noa_len); 586int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 587 size_t group_id_len); 588void p2p_group_update_ies(struct p2p_group *group); 589struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 590 591 592void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 593void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 594 u8 dialog_token); 595u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 596void p2p_buf_add_status(struct wpabuf *buf, u8 status); 597void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 598 struct p2p_device *peer); 599void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 600void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 601void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 602void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 603void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 604 u8 reg_class, u8 channel); 605void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 606 u8 reg_class, u8 channel); 607void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 608 struct p2p_channels *chan); 609void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 610 u8 client_timeout); 611void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 612void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 613void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 614 const u8 *ssid, size_t ssid_len); 615void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 616void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 617 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 618void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 619 u16 interval); 620void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 621void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 622 int all_attr); 623 624/* p2p_sd.c */ 625struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 626 struct p2p_device *dev); 627void p2p_free_sd_queries(struct p2p_data *p2p); 628void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 629 const u8 *data, size_t len, int rx_freq); 630void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 631 const u8 *data, size_t len, int rx_freq); 632void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 633 const u8 *data, size_t len, int rx_freq); 634void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 635 const u8 *data, size_t len, int rx_freq); 636int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 637 638/* p2p_go_neg.c */ 639int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 640 struct p2p_device *dev, 641 const u8 *channel_list, size_t channel_list_len); 642void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 643 const u8 *data, size_t len, int rx_freq); 644void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 645 const u8 *data, size_t len, int rx_freq); 646void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 647 const u8 *data, size_t len); 648int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 649u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 650void p2p_reselect_channel(struct p2p_data *p2p, 651 struct p2p_channels *intersection); 652 653/* p2p_pd.c */ 654void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 655 const u8 *data, size_t len, int rx_freq); 656void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 657 const u8 *data, size_t len); 658int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 659 int join, int force_freq); 660void p2p_reset_pending_pd(struct p2p_data *p2p); 661 662/* p2p_invitation.c */ 663void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 664 const u8 *data, size_t len, int rx_freq); 665void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 666 const u8 *data, size_t len); 667int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 668 const u8 *go_dev_addr); 669void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 670void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 671 672/* p2p_dev_disc.c */ 673void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 674 const u8 *data, size_t len, int rx_freq); 675void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 676int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 677void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 678void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 679 const u8 *data, size_t len); 680void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 681void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 682 const u8 *data, size_t len, int rx_freq); 683 684/* p2p.c */ 685void p2p_set_state(struct p2p_data *p2p, int new_state); 686void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 687 unsigned int usec); 688void p2p_clear_timeout(struct p2p_data *p2p); 689void p2p_continue_find(struct p2p_data *p2p); 690struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 691 const u8 *addr, 692 struct p2p_message *msg); 693void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 694 struct p2p_device *dev, struct p2p_message *msg); 695int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 696 unsigned int age_ms, int level, const u8 *ies, 697 size_t ies_len, int scan_res); 698struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 699struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 700 const u8 *addr); 701void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 702 int status); 703void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 704int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 705int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 706 size_t num_req_dev_type); 707struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 708void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 709int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 710 const u8 *src, const u8 *bssid, const u8 *buf, 711 size_t len, unsigned int wait_time); 712void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 713 714#endif /* P2P_I_H */ 715