p2p_i.h revision 3c4793790bf06f1fe08a2ddf604c9caa855151f1
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_role_indication; 16 17enum p2p_go_state { 18 UNKNOWN_GO, 19 LOCAL_GO, 20 REMOTE_GO 21}; 22 23/** 24 * struct p2p_device - P2P Device data (internal to P2P module) 25 */ 26struct p2p_device { 27 struct dl_list list; 28 struct os_reltime last_seen; 29 int listen_freq; 30 int oob_go_neg_freq; 31 enum p2p_wps_method wps_method; 32 u16 oob_pw_id; 33 34 struct p2p_peer_info info; 35 36 /* 37 * If the peer was discovered based on an interface address (e.g., GO 38 * from Beacon/Probe Response), the interface address is stored here. 39 * p2p_device_addr must still be set in such a case to the unique 40 * identifier for the P2P Device. 41 */ 42 u8 interface_addr[ETH_ALEN]; 43 44 /* 45 * P2P Device Address of the GO in whose group this P2P Device is a 46 * client. 47 */ 48 u8 member_in_go_dev[ETH_ALEN]; 49 50 /* 51 * P2P Interface Address of the GO in whose group this P2P Device is a 52 * client. 53 */ 54 u8 member_in_go_iface[ETH_ALEN]; 55 56 int go_neg_req_sent; 57 enum p2p_go_state go_state; 58 u8 dialog_token; 59 u8 tie_breaker; 60 u8 intended_addr[ETH_ALEN]; 61 62 char country[3]; 63 struct p2p_channels channels; 64 int oper_freq; 65 u8 oper_ssid[32]; 66 size_t oper_ssid_len; 67 68 /** 69 * req_config_methods - Pending provision discovery methods 70 */ 71 u16 req_config_methods; 72 73 /** 74 * wps_prov_info - Stored provisioning WPS config method 75 * 76 * This is used to store pending WPS config method between Provisioning 77 * Discovery and connection to a running group. 78 */ 79 u16 wps_prov_info; 80 81#define P2P_DEV_PROBE_REQ_ONLY BIT(0) 82#define P2P_DEV_REPORTED BIT(1) 83#define P2P_DEV_NOT_YET_READY BIT(2) 84#define P2P_DEV_SD_INFO BIT(3) 85#define P2P_DEV_SD_SCHEDULE BIT(4) 86#define P2P_DEV_PD_PEER_DISPLAY BIT(5) 87#define P2P_DEV_PD_PEER_KEYPAD BIT(6) 88#define P2P_DEV_USER_REJECTED BIT(7) 89#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 90#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 91#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 92#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 93#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 94#define P2P_DEV_FORCE_FREQ BIT(13) 95#define P2P_DEV_PD_FOR_JOIN BIT(14) 96#define P2P_DEV_REPORTED_ONCE BIT(15) 97#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 98#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 99#define P2P_DEV_NO_PREF_CHAN BIT(18) 100#define P2P_DEV_WAIT_INV_REQ_ACK BIT(19) 101 unsigned int flags; 102 103 int status; /* enum p2p_status_code */ 104 unsigned int wait_count; 105 unsigned int connect_reqs; 106 unsigned int invitation_reqs; 107 108 u16 ext_listen_period; 109 u16 ext_listen_interval; 110 111 u8 go_timeout; 112 u8 client_timeout; 113}; 114 115struct p2p_sd_query { 116 struct p2p_sd_query *next; 117 u8 peer[ETH_ALEN]; 118 int for_all_peers; 119 int wsd; /* Wi-Fi Display Service Discovery Request */ 120 struct wpabuf *tlvs; 121}; 122 123struct p2p_pending_action_tx { 124 unsigned int freq; 125 u8 dst[ETH_ALEN]; 126 u8 src[ETH_ALEN]; 127 u8 bssid[ETH_ALEN]; 128 size_t len; 129 unsigned int wait_time; 130 /* Followed by len octets of the frame */ 131}; 132 133/** 134 * struct p2p_data - P2P module data (internal to P2P module) 135 */ 136struct p2p_data { 137 /** 138 * cfg - P2P module configuration 139 * 140 * This is included in the same memory allocation with the 141 * struct p2p_data and as such, must not be freed separately. 142 */ 143 struct p2p_config *cfg; 144 145 /** 146 * state - The current P2P state 147 */ 148 enum p2p_state { 149 /** 150 * P2P_IDLE - Idle 151 */ 152 P2P_IDLE, 153 154 /** 155 * P2P_SEARCH - Search (Device Discovery) 156 */ 157 P2P_SEARCH, 158 159 /** 160 * P2P_CONNECT - Trying to start GO Negotiation 161 */ 162 P2P_CONNECT, 163 164 /** 165 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 166 */ 167 P2P_CONNECT_LISTEN, 168 169 /** 170 * P2P_GO_NEG - In GO Negotiation 171 */ 172 P2P_GO_NEG, 173 174 /** 175 * P2P_LISTEN_ONLY - Listen only 176 */ 177 P2P_LISTEN_ONLY, 178 179 /** 180 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 181 */ 182 P2P_WAIT_PEER_CONNECT, 183 184 /** 185 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 186 */ 187 P2P_WAIT_PEER_IDLE, 188 189 /** 190 * P2P_SD_DURING_FIND - Service Discovery during find 191 */ 192 P2P_SD_DURING_FIND, 193 194 /** 195 * P2P_PROVISIONING - Provisioning (during group formation) 196 */ 197 P2P_PROVISIONING, 198 199 /** 200 * P2P_PD_DURING_FIND - Provision Discovery during find 201 */ 202 P2P_PD_DURING_FIND, 203 204 /** 205 * P2P_INVITE - Trying to start Invite 206 */ 207 P2P_INVITE, 208 209 /** 210 * P2P_INVITE_LISTEN - Listen during Invite 211 */ 212 P2P_INVITE_LISTEN, 213 } state; 214 215 /** 216 * min_disc_int - minDiscoverableInterval 217 */ 218 int min_disc_int; 219 220 /** 221 * max_disc_int - maxDiscoverableInterval 222 */ 223 int max_disc_int; 224 225 /** 226 * max_disc_tu - Maximum number of TUs for discoverable interval 227 */ 228 int max_disc_tu; 229 230 /** 231 * devices - List of known P2P Device peers 232 */ 233 struct dl_list devices; 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 int invite_dev_pw_id; 248 249 /** 250 * sd_peer - Pointer to Service Discovery peer 251 */ 252 struct p2p_device *sd_peer; 253 254 /** 255 * sd_query - Pointer to Service Discovery query 256 */ 257 struct p2p_sd_query *sd_query; 258 259 /* GO Negotiation data */ 260 261 /** 262 * intended_addr - Local Intended P2P Interface Address 263 * 264 * This address is used during group owner negotiation as the Intended 265 * P2P Interface Address and the group interface will be created with 266 * address as the local address in case of successfully completed 267 * negotiation. 268 */ 269 u8 intended_addr[ETH_ALEN]; 270 271 /** 272 * go_intent - Local GO Intent to be used during GO Negotiation 273 */ 274 u8 go_intent; 275 276 /** 277 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 278 */ 279 u8 next_tie_breaker; 280 281 /** 282 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 283 */ 284 u8 ssid[32]; 285 286 /** 287 * ssid_len - ssid length in octets 288 */ 289 size_t ssid_len; 290 291 /** 292 * ssid_set - Whether SSID is already set for GO Negotiation 293 */ 294 int ssid_set; 295 296 /** 297 * Regulatory class for own operational channel 298 */ 299 u8 op_reg_class; 300 301 /** 302 * op_channel - Own operational channel 303 */ 304 u8 op_channel; 305 306 /** 307 * channels - Own supported regulatory classes and channels 308 * 309 * List of supposerted channels per regulatory class. The regulatory 310 * classes are defined in IEEE Std 802.11-2007 Annex J and the 311 * numbering of the clases depends on the configured country code. 312 */ 313 struct p2p_channels channels; 314 315 struct wpa_freq_range_list no_go_freq; 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 unsigned int after_scan_tx_in_progress:1; 387 388 /* Requested device types for find/search */ 389 unsigned int num_req_dev_types; 390 u8 *req_dev_types; 391 u8 *find_dev_id; 392 u8 find_dev_id_buf[ETH_ALEN]; 393 394 struct os_reltime find_start; /* time of last p2p_find start */ 395 396 struct p2p_group **groups; 397 size_t num_groups; 398 399 struct p2p_device *pending_client_disc_go; 400 u8 pending_client_disc_addr[ETH_ALEN]; 401 u8 pending_dev_disc_dialog_token; 402 u8 pending_dev_disc_addr[ETH_ALEN]; 403 int pending_dev_disc_freq; 404 unsigned int pending_client_disc_freq; 405 406 int ext_listen_only; 407 unsigned int ext_listen_period; 408 unsigned int ext_listen_interval; 409 unsigned int ext_listen_interval_sec; 410 unsigned int ext_listen_interval_usec; 411 412 u8 peer_filter[ETH_ALEN]; 413 414 int cross_connect; 415 416 int best_freq_24; 417 int best_freq_5; 418 int best_freq_overall; 419 int own_freq_preference; 420 421 /** 422 * wps_vendor_ext - WPS Vendor Extensions to add 423 */ 424 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 425 426 /* 427 * user_initiated_pd - Whether a PD request is user initiated or not. 428 */ 429 u8 user_initiated_pd; 430 431 /* 432 * Keep track of which peer a given PD request was sent to. 433 * Used to raise a timeout alert in case there is no response. 434 */ 435 u8 pending_pd_devaddr[ETH_ALEN]; 436 437 /* 438 * Retry counter for provision discovery requests when issued 439 * in IDLE state. 440 */ 441 int pd_retries; 442 443 /** 444 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 445 * 446 * This is is used during PD retries for join-a-group case to use the 447 * correct operating frequency determined from a BSS entry for the GO. 448 */ 449 int pd_force_freq; 450 451 u8 go_timeout; 452 u8 client_timeout; 453 454 /* Extra delay in milliseconds between search iterations */ 455 unsigned int search_delay; 456 int in_search_delay; 457 458#ifdef CONFIG_WIFI_DISPLAY 459 struct wpabuf *wfd_ie_beacon; 460 struct wpabuf *wfd_ie_probe_req; 461 struct wpabuf *wfd_ie_probe_resp; 462 struct wpabuf *wfd_ie_assoc_req; 463 struct wpabuf *wfd_ie_invitation; 464 struct wpabuf *wfd_ie_prov_disc_req; 465 struct wpabuf *wfd_ie_prov_disc_resp; 466 struct wpabuf *wfd_ie_go_neg; 467 struct wpabuf *wfd_dev_info; 468 struct wpabuf *wfd_assoc_bssid; 469 struct wpabuf *wfd_coupled_sink_info; 470#endif /* CONFIG_WIFI_DISPLAY */ 471 472 u16 authorized_oob_dev_pw_id; 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 const u8 *oob_go_neg_channel; 515 516 /* P2P Device Info */ 517 const u8 *p2p_device_info; 518 size_t p2p_device_info_len; 519 const u8 *p2p_device_addr; 520 const u8 *pri_dev_type; 521 u8 num_sec_dev_types; 522 char device_name[33]; 523 u16 config_methods; 524 525 /* WPS IE */ 526 u16 dev_password_id; 527 int dev_password_id_present; 528 u16 wps_config_methods; 529 const u8 *wps_pri_dev_type; 530 const u8 *wps_sec_dev_type_list; 531 size_t wps_sec_dev_type_list_len; 532 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 533 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 534 const u8 *manufacturer; 535 size_t manufacturer_len; 536 const u8 *model_name; 537 size_t model_name_len; 538 const u8 *model_number; 539 size_t model_number_len; 540 const u8 *serial_number; 541 size_t serial_number_len; 542 const u8 *oob_dev_password; 543 size_t oob_dev_password_len; 544 545 /* DS Parameter Set IE */ 546 const u8 *ds_params; 547 548 /* SSID IE */ 549 const u8 *ssid; 550}; 551 552 553#define P2P_MAX_GROUP_ENTRIES 50 554 555struct p2p_group_info { 556 unsigned int num_clients; 557 struct p2p_client_info { 558 const u8 *p2p_device_addr; 559 const u8 *p2p_interface_addr; 560 u8 dev_capab; 561 u16 config_methods; 562 const u8 *pri_dev_type; 563 u8 num_sec_dev_types; 564 const u8 *sec_dev_types; 565 const char *dev_name; 566 size_t dev_name_len; 567 } client[P2P_MAX_GROUP_ENTRIES]; 568}; 569 570 571/* p2p_utils.c */ 572int p2p_random(char *buf, size_t len); 573int p2p_channel_to_freq(int op_class, int channel); 574int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 575void p2p_channels_intersect(const struct p2p_channels *a, 576 const struct p2p_channels *b, 577 struct p2p_channels *res); 578void p2p_channels_union(const struct p2p_channels *a, 579 const struct p2p_channels *b, 580 struct p2p_channels *res); 581void p2p_channels_remove_freqs(struct p2p_channels *chan, 582 const struct wpa_freq_range_list *list); 583int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 584 u8 channel); 585void p2p_channels_dump(struct p2p_data *p2p, const char *title, 586 const struct p2p_channels *chan); 587int p2p_channel_select(struct p2p_channels *chans, const int *classes, 588 u8 *op_class, u8 *op_channel); 589 590/* p2p_parse.c */ 591int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 592int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 593int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 594int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p, 595 size_t p2p_len, struct p2p_message *msg); 596void p2p_parse_free(struct p2p_message *msg); 597int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 598int p2p_group_info_parse(const u8 *gi, size_t gi_len, 599 struct p2p_group_info *info); 600 601/* p2p_build.c */ 602 603struct p2p_noa_desc { 604 u8 count_type; 605 u32 duration; 606 u32 interval; 607 u32 start_time; 608}; 609 610/* p2p_group.c */ 611const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 612u8 p2p_group_presence_req(struct p2p_group *group, 613 const u8 *client_interface_addr, 614 const u8 *noa, size_t noa_len); 615int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 616 size_t group_id_len); 617void p2p_group_update_ies(struct p2p_group *group); 618void p2p_group_force_beacon_update_ies(struct p2p_group *group); 619struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 620void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf, 621 int max_clients); 622void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf); 623int p2p_group_get_freq(struct p2p_group *group); 624 625 626void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 627void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 628 u8 dialog_token); 629u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 630void p2p_buf_add_status(struct wpabuf *buf, u8 status); 631void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 632 struct p2p_device *peer); 633void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 634void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 635void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 636void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 637void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 638 u8 reg_class, u8 channel); 639void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 640 u8 reg_class, u8 channel); 641void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 642 struct p2p_channels *chan); 643void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 644 u8 client_timeout); 645void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 646void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 647void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 648 const u8 *ssid, size_t ssid_len); 649void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 650void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 651 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 652void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 653 u16 interval); 654void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 655void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 656 u8 oper_class, u8 channel, 657 enum p2p_role_indication role); 658int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 659 int all_attr); 660 661/* p2p_sd.c */ 662struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 663 struct p2p_device *dev); 664void p2p_free_sd_queries(struct p2p_data *p2p); 665void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 666 const u8 *data, size_t len, int rx_freq); 667void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 668 const u8 *data, size_t len, int rx_freq); 669void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 670 const u8 *data, size_t len, int rx_freq); 671void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 672 const u8 *data, size_t len, int rx_freq); 673int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 674 675/* p2p_go_neg.c */ 676int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 677 struct p2p_device *dev, 678 const u8 *channel_list, size_t channel_list_len); 679void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 680 const u8 *data, size_t len, int rx_freq); 681void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 682 const u8 *data, size_t len, int rx_freq); 683void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 684 const u8 *data, size_t len); 685int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 686u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 687void p2p_reselect_channel(struct p2p_data *p2p, 688 struct p2p_channels *intersection); 689 690/* p2p_pd.c */ 691void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 692 const u8 *data, size_t len, int rx_freq); 693void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 694 const u8 *data, size_t len); 695int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 696 int join, int force_freq); 697void p2p_reset_pending_pd(struct p2p_data *p2p); 698 699/* p2p_invitation.c */ 700void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 701 const u8 *data, size_t len, int rx_freq); 702void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 703 const u8 *data, size_t len); 704int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 705 const u8 *go_dev_addr, int dev_pw_id); 706void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 707void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 708 709/* p2p_dev_disc.c */ 710void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 711 const u8 *data, size_t len, int rx_freq); 712void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 713int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 714void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 715void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 716 const u8 *data, size_t len); 717void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 718void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 719 const u8 *data, size_t len, int rx_freq); 720 721/* p2p.c */ 722void p2p_set_state(struct p2p_data *p2p, int new_state); 723void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 724 unsigned int usec); 725void p2p_clear_timeout(struct p2p_data *p2p); 726void p2p_continue_find(struct p2p_data *p2p); 727struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 728 const u8 *addr, 729 struct p2p_message *msg); 730void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 731 struct p2p_device *dev, struct p2p_message *msg); 732int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 733 struct os_reltime *rx_time, int level, const u8 *ies, 734 size_t ies_len, int scan_res); 735struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 736struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 737 const u8 *addr); 738void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 739 int status); 740void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 741int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 742int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 743 size_t num_req_dev_type); 744struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 745void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 746int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 747 const u8 *src, const u8 *bssid, const u8 *buf, 748 size_t len, unsigned int wait_time); 749void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 750int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 751 unsigned int force_freq, unsigned int pref_freq, 752 int go); 753void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 754PRINTF_FORMAT(2, 3); 755void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 756PRINTF_FORMAT(2, 3); 757void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 758PRINTF_FORMAT(2, 3); 759 760#endif /* P2P_I_H */ 761