p2p_i.h revision 97a1e7d55662fa4a41b05b9fbd2e9e03e153266a
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 /** 231 * go_neg_peer - Pointer to GO Negotiation peer 232 */ 233 struct p2p_device *go_neg_peer; 234 235 /** 236 * invite_peer - Pointer to Invite peer 237 */ 238 struct p2p_device *invite_peer; 239 240 const u8 *invite_go_dev_addr; 241 u8 invite_go_dev_addr_buf[ETH_ALEN]; 242 243 /** 244 * sd_peer - Pointer to Service Discovery peer 245 */ 246 struct p2p_device *sd_peer; 247 248 /** 249 * sd_query - Pointer to Service Discovery query 250 */ 251 struct p2p_sd_query *sd_query; 252 253 /* GO Negotiation data */ 254 255 /** 256 * intended_addr - Local Intended P2P Interface Address 257 * 258 * This address is used during group owner negotiation as the Intended 259 * P2P Interface Address and the group interface will be created with 260 * address as the local address in case of successfully completed 261 * negotiation. 262 */ 263 u8 intended_addr[ETH_ALEN]; 264 265 /** 266 * go_intent - Local GO Intent to be used during GO Negotiation 267 */ 268 u8 go_intent; 269 270 /** 271 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 272 */ 273 u8 next_tie_breaker; 274 275 /** 276 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 277 */ 278 u8 ssid[32]; 279 280 /** 281 * ssid_len - ssid length in octets 282 */ 283 size_t ssid_len; 284 285 /** 286 * ssid_set - Whether SSID is already set for GO Negotiation 287 */ 288 int ssid_set; 289 290 /** 291 * Regulatory class for own operational channel 292 */ 293 u8 op_reg_class; 294 295 /** 296 * op_channel - Own operational channel 297 */ 298 u8 op_channel; 299 300 /** 301 * channels - Own supported regulatory classes and channels 302 * 303 * List of supposerted channels per regulatory class. The regulatory 304 * classes are defined in IEEE Std 802.11-2007 Annex J and the 305 * numbering of the clases depends on the configured country code. 306 */ 307 struct p2p_channels channels; 308 309 struct wpa_freq_range_list no_go_freq; 310 311 enum p2p_pending_action_state { 312 P2P_NO_PENDING_ACTION, 313 P2P_PENDING_GO_NEG_REQUEST, 314 P2P_PENDING_GO_NEG_RESPONSE, 315 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 316 P2P_PENDING_GO_NEG_CONFIRM, 317 P2P_PENDING_SD, 318 P2P_PENDING_PD, 319 P2P_PENDING_INVITATION_REQUEST, 320 P2P_PENDING_INVITATION_RESPONSE, 321 P2P_PENDING_DEV_DISC_REQUEST, 322 P2P_PENDING_DEV_DISC_RESPONSE, 323 P2P_PENDING_GO_DISC_REQ 324 } pending_action_state; 325 326 unsigned int pending_listen_freq; 327 unsigned int pending_listen_sec; 328 unsigned int pending_listen_usec; 329 330 u8 dev_capab; 331 332 int in_listen; 333 int drv_in_listen; 334 335 /** 336 * sd_queries - Pending service discovery queries 337 */ 338 struct p2p_sd_query *sd_queries; 339 340 /** 341 * srv_update_indic - Service Update Indicator for local services 342 */ 343 u16 srv_update_indic; 344 345 struct wpabuf *sd_resp; /* Fragmented SD response */ 346 u8 sd_resp_addr[ETH_ALEN]; 347 u8 sd_resp_dialog_token; 348 size_t sd_resp_pos; /* Offset in sd_resp */ 349 u8 sd_frag_id; 350 351 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 352 u16 sd_rx_update_indic; 353 354 /* P2P Invitation data */ 355 enum p2p_invite_role inv_role; 356 u8 inv_bssid[ETH_ALEN]; 357 int inv_bssid_set; 358 u8 inv_ssid[32]; 359 size_t inv_ssid_len; 360 u8 inv_sa[ETH_ALEN]; 361 u8 inv_group_bssid[ETH_ALEN]; 362 u8 *inv_group_bssid_ptr; 363 u8 inv_go_dev_addr[ETH_ALEN]; 364 u8 inv_status; 365 int inv_op_freq; 366 int inv_persistent; 367 368 enum p2p_discovery_type find_type; 369 unsigned int last_p2p_find_timeout; 370 u8 last_prog_scan_class; 371 u8 last_prog_scan_chan; 372 int p2p_scan_running; 373 enum p2p_after_scan { 374 P2P_AFTER_SCAN_NOTHING, 375 P2P_AFTER_SCAN_LISTEN, 376 P2P_AFTER_SCAN_CONNECT 377 } start_after_scan; 378 u8 after_scan_peer[ETH_ALEN]; 379 struct p2p_pending_action_tx *after_scan_tx; 380 unsigned int after_scan_tx_in_progress:1; 381 382 /* Requested device types for find/search */ 383 unsigned int num_req_dev_types; 384 u8 *req_dev_types; 385 u8 *find_dev_id; 386 u8 find_dev_id_buf[ETH_ALEN]; 387 388 struct os_reltime find_start; /* time of last p2p_find start */ 389 390 struct p2p_group **groups; 391 size_t num_groups; 392 393 struct p2p_device *pending_client_disc_go; 394 u8 pending_client_disc_addr[ETH_ALEN]; 395 u8 pending_dev_disc_dialog_token; 396 u8 pending_dev_disc_addr[ETH_ALEN]; 397 int pending_dev_disc_freq; 398 unsigned int pending_client_disc_freq; 399 400 int ext_listen_only; 401 unsigned int ext_listen_period; 402 unsigned int ext_listen_interval; 403 unsigned int ext_listen_interval_sec; 404 unsigned int ext_listen_interval_usec; 405 406 u8 peer_filter[ETH_ALEN]; 407 408 int cross_connect; 409 410 int best_freq_24; 411 int best_freq_5; 412 int best_freq_overall; 413 int own_freq_preference; 414 415 /** 416 * wps_vendor_ext - WPS Vendor Extensions to add 417 */ 418 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 419 420 /* 421 * user_initiated_pd - Whether a PD request is user initiated or not. 422 */ 423 u8 user_initiated_pd; 424 425 /* 426 * Keep track of which peer a given PD request was sent to. 427 * Used to raise a timeout alert in case there is no response. 428 */ 429 u8 pending_pd_devaddr[ETH_ALEN]; 430 431 /* 432 * Retry counter for provision discovery requests when issued 433 * in IDLE state. 434 */ 435 int pd_retries; 436 437 /** 438 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 439 * 440 * This is is used during PD retries for join-a-group case to use the 441 * correct operating frequency determined from a BSS entry for the GO. 442 */ 443 int pd_force_freq; 444 445 u8 go_timeout; 446 u8 client_timeout; 447 448 /* Extra delay in milliseconds between search iterations */ 449 unsigned int search_delay; 450 int in_search_delay; 451 452#ifdef CONFIG_WIFI_DISPLAY 453 struct wpabuf *wfd_ie_beacon; 454 struct wpabuf *wfd_ie_probe_req; 455 struct wpabuf *wfd_ie_probe_resp; 456 struct wpabuf *wfd_ie_assoc_req; 457 struct wpabuf *wfd_ie_invitation; 458 struct wpabuf *wfd_ie_prov_disc_req; 459 struct wpabuf *wfd_ie_prov_disc_resp; 460 struct wpabuf *wfd_ie_go_neg; 461 struct wpabuf *wfd_dev_info; 462 struct wpabuf *wfd_assoc_bssid; 463 struct wpabuf *wfd_coupled_sink_info; 464#endif /* CONFIG_WIFI_DISPLAY */ 465}; 466 467/** 468 * struct p2p_message - Parsed P2P message (or P2P IE) 469 */ 470struct p2p_message { 471 struct wpabuf *p2p_attributes; 472 struct wpabuf *wps_attributes; 473 struct wpabuf *wfd_subelems; 474 475 u8 dialog_token; 476 477 const u8 *capability; 478 const u8 *go_intent; 479 const u8 *status; 480 const u8 *listen_channel; 481 const u8 *operating_channel; 482 const u8 *channel_list; 483 u8 channel_list_len; 484 const u8 *config_timeout; 485 const u8 *intended_addr; 486 const u8 *group_bssid; 487 const u8 *invitation_flags; 488 489 const u8 *group_info; 490 size_t group_info_len; 491 492 const u8 *group_id; 493 size_t group_id_len; 494 495 const u8 *device_id; 496 497 const u8 *manageability; 498 499 const u8 *noa; 500 size_t noa_len; 501 502 const u8 *ext_listen_timing; 503 504 const u8 *minor_reason_code; 505 506 /* P2P Device Info */ 507 const u8 *p2p_device_info; 508 size_t p2p_device_info_len; 509 const u8 *p2p_device_addr; 510 const u8 *pri_dev_type; 511 u8 num_sec_dev_types; 512 char device_name[33]; 513 u16 config_methods; 514 515 /* WPS IE */ 516 u16 dev_password_id; 517 u16 wps_config_methods; 518 const u8 *wps_pri_dev_type; 519 const u8 *wps_sec_dev_type_list; 520 size_t wps_sec_dev_type_list_len; 521 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 522 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 523 const u8 *manufacturer; 524 size_t manufacturer_len; 525 const u8 *model_name; 526 size_t model_name_len; 527 const u8 *model_number; 528 size_t model_number_len; 529 const u8 *serial_number; 530 size_t serial_number_len; 531 532 /* DS Parameter Set IE */ 533 const u8 *ds_params; 534 535 /* SSID IE */ 536 const u8 *ssid; 537}; 538 539 540#define P2P_MAX_GROUP_ENTRIES 50 541 542struct p2p_group_info { 543 unsigned int num_clients; 544 struct p2p_client_info { 545 const u8 *p2p_device_addr; 546 const u8 *p2p_interface_addr; 547 u8 dev_capab; 548 u16 config_methods; 549 const u8 *pri_dev_type; 550 u8 num_sec_dev_types; 551 const u8 *sec_dev_types; 552 const char *dev_name; 553 size_t dev_name_len; 554 } client[P2P_MAX_GROUP_ENTRIES]; 555}; 556 557 558/* p2p_utils.c */ 559int p2p_random(char *buf, size_t len); 560int p2p_channel_to_freq(int op_class, int channel); 561int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 562void p2p_channels_intersect(const struct p2p_channels *a, 563 const struct p2p_channels *b, 564 struct p2p_channels *res); 565void p2p_channels_union(const struct p2p_channels *a, 566 const struct p2p_channels *b, 567 struct p2p_channels *res); 568void p2p_channels_remove_freqs(struct p2p_channels *chan, 569 const struct wpa_freq_range_list *list); 570int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 571 u8 channel); 572void p2p_channels_dump(struct p2p_data *p2p, const char *title, 573 const struct p2p_channels *chan); 574int p2p_channel_select(struct p2p_channels *chans, const int *classes, 575 u8 *op_class, u8 *op_channel); 576 577/* p2p_parse.c */ 578int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 579int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 580int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 581void p2p_parse_free(struct p2p_message *msg); 582int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 583int p2p_group_info_parse(const u8 *gi, size_t gi_len, 584 struct p2p_group_info *info); 585 586/* p2p_build.c */ 587 588struct p2p_noa_desc { 589 u8 count_type; 590 u32 duration; 591 u32 interval; 592 u32 start_time; 593}; 594 595/* p2p_group.c */ 596const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 597u8 p2p_group_presence_req(struct p2p_group *group, 598 const u8 *client_interface_addr, 599 const u8 *noa, size_t noa_len); 600int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 601 size_t group_id_len); 602void p2p_group_update_ies(struct p2p_group *group); 603void p2p_group_force_beacon_update_ies(struct p2p_group *group); 604struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 605 606 607void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 608void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 609 u8 dialog_token); 610u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 611void p2p_buf_add_status(struct wpabuf *buf, u8 status); 612void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 613 struct p2p_device *peer); 614void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 615void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 616void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 617void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 618void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 619 u8 reg_class, u8 channel); 620void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 621 u8 reg_class, u8 channel); 622void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 623 struct p2p_channels *chan); 624void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 625 u8 client_timeout); 626void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 627void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 628void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 629 const u8 *ssid, size_t ssid_len); 630void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 631void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 632 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 633void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 634 u16 interval); 635void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 636int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 637 int all_attr); 638 639/* p2p_sd.c */ 640struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 641 struct p2p_device *dev); 642void p2p_free_sd_queries(struct p2p_data *p2p); 643void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 644 const u8 *data, size_t len, int rx_freq); 645void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 646 const u8 *data, size_t len, int rx_freq); 647void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 648 const u8 *data, size_t len, int rx_freq); 649void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 650 const u8 *data, size_t len, int rx_freq); 651int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 652 653/* p2p_go_neg.c */ 654int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 655 struct p2p_device *dev, 656 const u8 *channel_list, size_t channel_list_len); 657void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 658 const u8 *data, size_t len, int rx_freq); 659void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 660 const u8 *data, size_t len, int rx_freq); 661void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 662 const u8 *data, size_t len); 663int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 664u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 665void p2p_reselect_channel(struct p2p_data *p2p, 666 struct p2p_channels *intersection); 667 668/* p2p_pd.c */ 669void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 670 const u8 *data, size_t len, int rx_freq); 671void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 672 const u8 *data, size_t len); 673int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 674 int join, int force_freq); 675void p2p_reset_pending_pd(struct p2p_data *p2p); 676 677/* p2p_invitation.c */ 678void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 679 const u8 *data, size_t len, int rx_freq); 680void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 681 const u8 *data, size_t len); 682int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 683 const u8 *go_dev_addr); 684void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 685void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 686 687/* p2p_dev_disc.c */ 688void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 689 const u8 *data, size_t len, int rx_freq); 690void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 691int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 692void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 693void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 694 const u8 *data, size_t len); 695void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 696void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 697 const u8 *data, size_t len, int rx_freq); 698 699/* p2p.c */ 700void p2p_set_state(struct p2p_data *p2p, int new_state); 701void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 702 unsigned int usec); 703void p2p_clear_timeout(struct p2p_data *p2p); 704void p2p_continue_find(struct p2p_data *p2p); 705struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 706 const u8 *addr, 707 struct p2p_message *msg); 708void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 709 struct p2p_device *dev, struct p2p_message *msg); 710int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 711 struct os_reltime *rx_time, int level, const u8 *ies, 712 size_t ies_len, int scan_res); 713struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 714struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 715 const u8 *addr); 716void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 717 int status); 718void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 719int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 720int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 721 size_t num_req_dev_type); 722struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 723void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 724int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 725 const u8 *src, const u8 *bssid, const u8 *buf, 726 size_t len, unsigned int wait_time); 727void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 728int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 729 unsigned int force_freq, unsigned int pref_freq, 730 int go); 731void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 732PRINTF_FORMAT(2, 3); 733void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 734PRINTF_FORMAT(2, 3); 735void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 736PRINTF_FORMAT(2, 3); 737 738#endif /* P2P_I_H */ 739