p2p_i.h revision 281806
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 15#define P2P_GO_NEG_CNF_MAX_RETRY_COUNT 1 16 17enum p2p_role_indication; 18 19/* 20 * To force Service Instances to fit within a single P2P Tag, MAX_SVC_ADV_LEN 21 * must equal 248 or less. Must have a minimum size of 19. 22 */ 23#define MAX_SVC_ADV_LEN 600 24#define MAX_SVC_ADV_IE_LEN (9 + MAX_SVC_ADV_LEN + (5 * (MAX_SVC_ADV_LEN / 240))) 25 26enum p2p_go_state { 27 UNKNOWN_GO, 28 LOCAL_GO, 29 REMOTE_GO 30}; 31 32/** 33 * struct p2p_device - P2P Device data (internal to P2P module) 34 */ 35struct p2p_device { 36 struct dl_list list; 37 struct os_reltime last_seen; 38 int listen_freq; 39 int oob_go_neg_freq; 40 enum p2p_wps_method wps_method; 41 u16 oob_pw_id; 42 43 struct p2p_peer_info info; 44 45 /* 46 * If the peer was discovered based on an interface address (e.g., GO 47 * from Beacon/Probe Response), the interface address is stored here. 48 * p2p_device_addr must still be set in such a case to the unique 49 * identifier for the P2P Device. 50 */ 51 u8 interface_addr[ETH_ALEN]; 52 53 /* 54 * P2P Device Address of the GO in whose group this P2P Device is a 55 * client. 56 */ 57 u8 member_in_go_dev[ETH_ALEN]; 58 59 /* 60 * P2P Interface Address of the GO in whose group this P2P Device is a 61 * client. 62 */ 63 u8 member_in_go_iface[ETH_ALEN]; 64 65 int go_neg_req_sent; 66 enum p2p_go_state go_state; 67 u8 dialog_token; 68 u8 tie_breaker; 69 u8 intended_addr[ETH_ALEN]; 70 71 char country[3]; 72 struct p2p_channels channels; 73 int oper_freq; 74 u8 oper_ssid[32]; 75 size_t oper_ssid_len; 76 77 /** 78 * req_config_methods - Pending provision discovery methods 79 */ 80 u16 req_config_methods; 81 82 /** 83 * wps_prov_info - Stored provisioning WPS config method 84 * 85 * This is used to store pending WPS config method between Provisioning 86 * Discovery and connection to a running group. 87 */ 88 u16 wps_prov_info; 89 90#define P2P_DEV_PROBE_REQ_ONLY BIT(0) 91#define P2P_DEV_REPORTED BIT(1) 92#define P2P_DEV_NOT_YET_READY BIT(2) 93#define P2P_DEV_PD_PEER_DISPLAY BIT(5) 94#define P2P_DEV_PD_PEER_KEYPAD BIT(6) 95#define P2P_DEV_USER_REJECTED BIT(7) 96#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 97#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 98#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 99#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 100#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 101#define P2P_DEV_FORCE_FREQ BIT(13) 102#define P2P_DEV_PD_FOR_JOIN BIT(14) 103#define P2P_DEV_REPORTED_ONCE BIT(15) 104#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 105#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 106#define P2P_DEV_NO_PREF_CHAN BIT(18) 107#define P2P_DEV_WAIT_INV_REQ_ACK BIT(19) 108#define P2P_DEV_P2PS_REPORTED BIT(20) 109#define P2P_DEV_PD_PEER_P2PS BIT(21) 110 unsigned int flags; 111 112 int status; /* enum p2p_status_code */ 113 unsigned int wait_count; 114 unsigned int connect_reqs; 115 unsigned int invitation_reqs; 116 unsigned int sd_reqs; 117 118 u16 ext_listen_period; 119 u16 ext_listen_interval; 120 121 u8 go_timeout; 122 u8 client_timeout; 123 124 /** 125 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries 126 */ 127 u8 go_neg_conf_sent; 128 129 /** 130 * freq - Frquency on which the GO Negotiation Confirmation is sent 131 */ 132 int go_neg_conf_freq; 133 134 /** 135 * go_neg_conf - GO Negotiation Confirmation frame 136 */ 137 struct wpabuf *go_neg_conf; 138 139 int sd_pending_bcast_queries; 140}; 141 142struct p2p_sd_query { 143 struct p2p_sd_query *next; 144 u8 peer[ETH_ALEN]; 145 int for_all_peers; 146 int wsd; /* Wi-Fi Display Service Discovery Request */ 147 struct wpabuf *tlvs; 148}; 149 150struct p2p_pending_action_tx { 151 unsigned int freq; 152 u8 dst[ETH_ALEN]; 153 u8 src[ETH_ALEN]; 154 u8 bssid[ETH_ALEN]; 155 size_t len; 156 unsigned int wait_time; 157 /* Followed by len octets of the frame */ 158}; 159 160/** 161 * struct p2p_data - P2P module data (internal to P2P module) 162 */ 163struct p2p_data { 164 /** 165 * cfg - P2P module configuration 166 * 167 * This is included in the same memory allocation with the 168 * struct p2p_data and as such, must not be freed separately. 169 */ 170 struct p2p_config *cfg; 171 172 /** 173 * state - The current P2P state 174 */ 175 enum p2p_state { 176 /** 177 * P2P_IDLE - Idle 178 */ 179 P2P_IDLE, 180 181 /** 182 * P2P_SEARCH - Search (Device Discovery) 183 */ 184 P2P_SEARCH, 185 186 /** 187 * P2P_CONNECT - Trying to start GO Negotiation 188 */ 189 P2P_CONNECT, 190 191 /** 192 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 193 */ 194 P2P_CONNECT_LISTEN, 195 196 /** 197 * P2P_GO_NEG - In GO Negotiation 198 */ 199 P2P_GO_NEG, 200 201 /** 202 * P2P_LISTEN_ONLY - Listen only 203 */ 204 P2P_LISTEN_ONLY, 205 206 /** 207 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 208 */ 209 P2P_WAIT_PEER_CONNECT, 210 211 /** 212 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 213 */ 214 P2P_WAIT_PEER_IDLE, 215 216 /** 217 * P2P_SD_DURING_FIND - Service Discovery during find 218 */ 219 P2P_SD_DURING_FIND, 220 221 /** 222 * P2P_PROVISIONING - Provisioning (during group formation) 223 */ 224 P2P_PROVISIONING, 225 226 /** 227 * P2P_PD_DURING_FIND - Provision Discovery during find 228 */ 229 P2P_PD_DURING_FIND, 230 231 /** 232 * P2P_INVITE - Trying to start Invite 233 */ 234 P2P_INVITE, 235 236 /** 237 * P2P_INVITE_LISTEN - Listen during Invite 238 */ 239 P2P_INVITE_LISTEN, 240 } state; 241 242 /** 243 * min_disc_int - minDiscoverableInterval 244 */ 245 int min_disc_int; 246 247 /** 248 * max_disc_int - maxDiscoverableInterval 249 */ 250 int max_disc_int; 251 252 /** 253 * max_disc_tu - Maximum number of TUs for discoverable interval 254 */ 255 int max_disc_tu; 256 257 /** 258 * devices - List of known P2P Device peers 259 */ 260 struct dl_list devices; 261 262 /** 263 * go_neg_peer - Pointer to GO Negotiation peer 264 */ 265 struct p2p_device *go_neg_peer; 266 267 /** 268 * invite_peer - Pointer to Invite peer 269 */ 270 struct p2p_device *invite_peer; 271 272 /** 273 * last_p2p_find_oper - Pointer to last pre-find operation peer 274 */ 275 struct p2p_device *last_p2p_find_oper; 276 277 const u8 *invite_go_dev_addr; 278 u8 invite_go_dev_addr_buf[ETH_ALEN]; 279 int invite_dev_pw_id; 280 281 unsigned int retry_invite_req:1; 282 unsigned int retry_invite_req_sent:1; 283 284 /** 285 * sd_peer - Pointer to Service Discovery peer 286 */ 287 struct p2p_device *sd_peer; 288 289 /** 290 * sd_query - Pointer to Service Discovery query 291 */ 292 struct p2p_sd_query *sd_query; 293 294 /** 295 * num_p2p_sd_queries - Total number of broadcast SD queries present in 296 * the list 297 */ 298 int num_p2p_sd_queries; 299 300 /* GO Negotiation data */ 301 302 /** 303 * intended_addr - Local Intended P2P Interface Address 304 * 305 * This address is used during group owner negotiation as the Intended 306 * P2P Interface Address and the group interface will be created with 307 * address as the local address in case of successfully completed 308 * negotiation. 309 */ 310 u8 intended_addr[ETH_ALEN]; 311 312 /** 313 * go_intent - Local GO Intent to be used during GO Negotiation 314 */ 315 u8 go_intent; 316 317 /** 318 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 319 */ 320 u8 next_tie_breaker; 321 322 /** 323 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 324 */ 325 u8 ssid[32]; 326 327 /** 328 * ssid_len - ssid length in octets 329 */ 330 size_t ssid_len; 331 332 /** 333 * ssid_set - Whether SSID is already set for GO Negotiation 334 */ 335 int ssid_set; 336 337 /** 338 * Regulatory class for own operational channel 339 */ 340 u8 op_reg_class; 341 342 /** 343 * op_channel - Own operational channel 344 */ 345 u8 op_channel; 346 347 /** 348 * channels - Own supported regulatory classes and channels 349 * 350 * List of supposerted channels per regulatory class. The regulatory 351 * classes are defined in IEEE Std 802.11-2007 Annex J and the 352 * numbering of the clases depends on the configured country code. 353 */ 354 struct p2p_channels channels; 355 356 struct wpa_freq_range_list no_go_freq; 357 358 enum p2p_pending_action_state { 359 P2P_NO_PENDING_ACTION, 360 P2P_PENDING_GO_NEG_REQUEST, 361 P2P_PENDING_GO_NEG_RESPONSE, 362 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 363 P2P_PENDING_GO_NEG_CONFIRM, 364 P2P_PENDING_SD, 365 P2P_PENDING_PD, 366 P2P_PENDING_PD_RESPONSE, 367 P2P_PENDING_INVITATION_REQUEST, 368 P2P_PENDING_INVITATION_RESPONSE, 369 P2P_PENDING_DEV_DISC_REQUEST, 370 P2P_PENDING_DEV_DISC_RESPONSE, 371 P2P_PENDING_GO_DISC_REQ 372 } pending_action_state; 373 374 unsigned int pending_listen_freq; 375 unsigned int pending_listen_sec; 376 unsigned int pending_listen_usec; 377 378 u8 dev_capab; 379 380 int in_listen; 381 int drv_in_listen; 382 383 /** 384 * sd_queries - Pending service discovery queries 385 */ 386 struct p2p_sd_query *sd_queries; 387 388 /** 389 * srv_update_indic - Service Update Indicator for local services 390 */ 391 u16 srv_update_indic; 392 393 struct wpabuf *sd_resp; /* Fragmented SD response */ 394 u8 sd_resp_addr[ETH_ALEN]; 395 u8 sd_resp_dialog_token; 396 size_t sd_resp_pos; /* Offset in sd_resp */ 397 u8 sd_frag_id; 398 399 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 400 u16 sd_rx_update_indic; 401 402 /* P2P Invitation data */ 403 enum p2p_invite_role inv_role; 404 u8 inv_bssid[ETH_ALEN]; 405 int inv_bssid_set; 406 u8 inv_ssid[32]; 407 size_t inv_ssid_len; 408 u8 inv_sa[ETH_ALEN]; 409 u8 inv_group_bssid[ETH_ALEN]; 410 u8 *inv_group_bssid_ptr; 411 u8 inv_go_dev_addr[ETH_ALEN]; 412 u8 inv_status; 413 int inv_op_freq; 414 int inv_persistent; 415 416 enum p2p_discovery_type find_type; 417 unsigned int last_p2p_find_timeout; 418 u8 last_prog_scan_class; 419 u8 last_prog_scan_chan; 420 int p2p_scan_running; 421 enum p2p_after_scan { 422 P2P_AFTER_SCAN_NOTHING, 423 P2P_AFTER_SCAN_LISTEN, 424 P2P_AFTER_SCAN_CONNECT 425 } start_after_scan; 426 u8 after_scan_peer[ETH_ALEN]; 427 struct p2p_pending_action_tx *after_scan_tx; 428 unsigned int after_scan_tx_in_progress:1; 429 unsigned int send_action_in_progress:1; 430 431 /* Requested device types for find/search */ 432 unsigned int num_req_dev_types; 433 u8 *req_dev_types; 434 u8 *find_dev_id; 435 u8 find_dev_id_buf[ETH_ALEN]; 436 437 struct os_reltime find_start; /* time of last p2p_find start */ 438 439 struct p2p_group **groups; 440 size_t num_groups; 441 442 struct p2p_device *pending_client_disc_go; 443 u8 pending_client_disc_addr[ETH_ALEN]; 444 u8 pending_dev_disc_dialog_token; 445 u8 pending_dev_disc_addr[ETH_ALEN]; 446 int pending_dev_disc_freq; 447 unsigned int pending_client_disc_freq; 448 449 int ext_listen_only; 450 unsigned int ext_listen_period; 451 unsigned int ext_listen_interval; 452 unsigned int ext_listen_interval_sec; 453 unsigned int ext_listen_interval_usec; 454 455 u8 peer_filter[ETH_ALEN]; 456 457 int cross_connect; 458 459 int best_freq_24; 460 int best_freq_5; 461 int best_freq_overall; 462 int own_freq_preference; 463 464 /** 465 * wps_vendor_ext - WPS Vendor Extensions to add 466 */ 467 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 468 469 /* 470 * user_initiated_pd - Whether a PD request is user initiated or not. 471 */ 472 u8 user_initiated_pd; 473 474 /* 475 * Keep track of which peer a given PD request was sent to. 476 * Used to raise a timeout alert in case there is no response. 477 */ 478 u8 pending_pd_devaddr[ETH_ALEN]; 479 480 /* 481 * Retry counter for provision discovery requests when issued 482 * in IDLE state. 483 */ 484 int pd_retries; 485 486 /** 487 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 488 * 489 * This is is used during PD retries for join-a-group case to use the 490 * correct operating frequency determined from a BSS entry for the GO. 491 */ 492 int pd_force_freq; 493 494 u8 go_timeout; 495 u8 client_timeout; 496 497 /* Extra delay in milliseconds between search iterations */ 498 unsigned int search_delay; 499 int in_search_delay; 500 501 u8 pending_reg_class; 502 u8 pending_channel; 503 u8 pending_channel_forced; 504 505 /* ASP Support */ 506 struct p2ps_advertisement *p2ps_adv_list; 507 struct p2ps_provision *p2ps_prov; 508 u8 wild_card_hash[P2PS_HASH_LEN]; 509 u8 query_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN]; 510 u8 query_count; 511 u8 p2ps_seek; 512 u8 p2ps_seek_count; 513 u8 p2ps_svc_found; 514 515#ifdef CONFIG_WIFI_DISPLAY 516 struct wpabuf *wfd_ie_beacon; 517 struct wpabuf *wfd_ie_probe_req; 518 struct wpabuf *wfd_ie_probe_resp; 519 struct wpabuf *wfd_ie_assoc_req; 520 struct wpabuf *wfd_ie_invitation; 521 struct wpabuf *wfd_ie_prov_disc_req; 522 struct wpabuf *wfd_ie_prov_disc_resp; 523 struct wpabuf *wfd_ie_go_neg; 524 struct wpabuf *wfd_dev_info; 525 struct wpabuf *wfd_assoc_bssid; 526 struct wpabuf *wfd_coupled_sink_info; 527#endif /* CONFIG_WIFI_DISPLAY */ 528 529 u16 authorized_oob_dev_pw_id; 530 531 struct wpabuf **vendor_elem; 532}; 533 534/** 535 * struct p2p_message - Parsed P2P message (or P2P IE) 536 */ 537struct p2p_message { 538 struct wpabuf *p2p_attributes; 539 struct wpabuf *wps_attributes; 540 struct wpabuf *wfd_subelems; 541 542 u8 dialog_token; 543 544 const u8 *capability; 545 const u8 *go_intent; 546 const u8 *status; 547 const u8 *listen_channel; 548 const u8 *operating_channel; 549 const u8 *channel_list; 550 u8 channel_list_len; 551 const u8 *config_timeout; 552 const u8 *intended_addr; 553 const u8 *group_bssid; 554 const u8 *invitation_flags; 555 556 const u8 *group_info; 557 size_t group_info_len; 558 559 const u8 *group_id; 560 size_t group_id_len; 561 562 const u8 *device_id; 563 564 const u8 *manageability; 565 566 const u8 *noa; 567 size_t noa_len; 568 569 const u8 *ext_listen_timing; 570 571 const u8 *minor_reason_code; 572 573 const u8 *oob_go_neg_channel; 574 575 /* P2P Device Info */ 576 const u8 *p2p_device_info; 577 size_t p2p_device_info_len; 578 const u8 *p2p_device_addr; 579 const u8 *pri_dev_type; 580 u8 num_sec_dev_types; 581 char device_name[33]; 582 u16 config_methods; 583 584 /* WPS IE */ 585 u16 dev_password_id; 586 int dev_password_id_present; 587 u16 wps_config_methods; 588 const u8 *wps_pri_dev_type; 589 const u8 *wps_sec_dev_type_list; 590 size_t wps_sec_dev_type_list_len; 591 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 592 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 593 const u8 *manufacturer; 594 size_t manufacturer_len; 595 const u8 *model_name; 596 size_t model_name_len; 597 const u8 *model_number; 598 size_t model_number_len; 599 const u8 *serial_number; 600 size_t serial_number_len; 601 const u8 *oob_dev_password; 602 size_t oob_dev_password_len; 603 604 /* DS Parameter Set IE */ 605 const u8 *ds_params; 606 607 /* SSID IE */ 608 const u8 *ssid; 609 610 /* P2PS */ 611 u8 service_hash_count; 612 const u8 *service_hash; 613 614 const u8 *session_info; 615 size_t session_info_len; 616 617 const u8 *conn_cap; 618 619 const u8 *adv_id; 620 const u8 *adv_mac; 621 622 const u8 *adv_service_instance; 623 size_t adv_service_instance_len; 624 625 const u8 *session_id; 626 const u8 *session_mac; 627 628 const u8 *feature_cap; 629 size_t feature_cap_len; 630 631 const u8 *persistent_dev; 632 const u8 *persistent_ssid; 633 size_t persistent_ssid_len; 634}; 635 636 637#define P2P_MAX_GROUP_ENTRIES 50 638 639struct p2p_group_info { 640 unsigned int num_clients; 641 struct p2p_client_info { 642 const u8 *p2p_device_addr; 643 const u8 *p2p_interface_addr; 644 u8 dev_capab; 645 u16 config_methods; 646 const u8 *pri_dev_type; 647 u8 num_sec_dev_types; 648 const u8 *sec_dev_types; 649 const char *dev_name; 650 size_t dev_name_len; 651 } client[P2P_MAX_GROUP_ENTRIES]; 652}; 653 654 655/* p2p_utils.c */ 656int p2p_random(char *buf, size_t len); 657int p2p_channel_to_freq(int op_class, int channel); 658int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 659void p2p_channels_intersect(const struct p2p_channels *a, 660 const struct p2p_channels *b, 661 struct p2p_channels *res); 662void p2p_channels_union_inplace(struct p2p_channels *res, 663 const struct p2p_channels *b); 664void p2p_channels_union(const struct p2p_channels *a, 665 const struct p2p_channels *b, 666 struct p2p_channels *res); 667void p2p_channels_remove_freqs(struct p2p_channels *chan, 668 const struct wpa_freq_range_list *list); 669int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 670 u8 channel); 671void p2p_channels_dump(struct p2p_data *p2p, const char *title, 672 const struct p2p_channels *chan); 673int p2p_channel_select(struct p2p_channels *chans, const int *classes, 674 u8 *op_class, u8 *op_channel); 675int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class, 676 u8 *op_channel); 677 678/* p2p_parse.c */ 679int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 680int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 681int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 682int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p, 683 size_t p2p_len, struct p2p_message *msg); 684void p2p_parse_free(struct p2p_message *msg); 685int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 686int p2p_group_info_parse(const u8 *gi, size_t gi_len, 687 struct p2p_group_info *info); 688 689/* p2p_build.c */ 690 691struct p2p_noa_desc { 692 u8 count_type; 693 u32 duration; 694 u32 interval; 695 u32 start_time; 696}; 697 698/* p2p_group.c */ 699const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 700u8 p2p_group_presence_req(struct p2p_group *group, 701 const u8 *client_interface_addr, 702 const u8 *noa, size_t noa_len); 703int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 704 size_t group_id_len); 705void p2p_group_update_ies(struct p2p_group *group); 706void p2p_group_force_beacon_update_ies(struct p2p_group *group); 707struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 708void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf, 709 int max_clients); 710void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf); 711int p2p_group_get_freq(struct p2p_group *group); 712 713 714void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 715void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 716 u8 dialog_token); 717u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 718void p2p_buf_add_status(struct wpabuf *buf, u8 status); 719void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 720 struct p2p_device *peer); 721void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 722void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 723void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 724void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 725void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 726 u8 reg_class, u8 channel); 727void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 728 u8 reg_class, u8 channel); 729void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 730 struct p2p_channels *chan); 731void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 732 u8 client_timeout); 733void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 734void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 735void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 736 const u8 *ssid, size_t ssid_len); 737void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 738void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 739 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 740void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 741 u16 interval); 742void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 743void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 744 u8 oper_class, u8 channel, 745 enum p2p_role_indication role); 746void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p); 747void p2p_buf_add_session_info(struct wpabuf *buf, const char *info); 748void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap); 749void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac); 750void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p, 751 u8 count, const u8 *hash, 752 struct p2ps_advertisement *adv_list); 753void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac); 754void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len, 755 const u8 *mask); 756void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr, 757 const u8 *ssid, size_t ssid_len); 758int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 759 int all_attr); 760 761/* p2p_sd.c */ 762struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 763 struct p2p_device *dev); 764void p2p_free_sd_queries(struct p2p_data *p2p); 765void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 766 const u8 *data, size_t len, int rx_freq); 767void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 768 const u8 *data, size_t len, int rx_freq); 769void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 770 const u8 *data, size_t len, int rx_freq); 771void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 772 const u8 *data, size_t len, int rx_freq); 773int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 774 775/* p2p_go_neg.c */ 776int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 777 struct p2p_device *dev, 778 const u8 *channel_list, size_t channel_list_len); 779void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 780 const u8 *data, size_t len, int rx_freq); 781void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 782 const u8 *data, size_t len, int rx_freq); 783void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 784 const u8 *data, size_t len); 785int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 786u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 787void p2p_reselect_channel(struct p2p_data *p2p, 788 struct p2p_channels *intersection); 789 790/* p2p_pd.c */ 791void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 792 const u8 *data, size_t len, int rx_freq); 793void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 794 const u8 *data, size_t len); 795int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 796 int join, int force_freq); 797void p2p_reset_pending_pd(struct p2p_data *p2p); 798 799/* p2p_invitation.c */ 800void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 801 const u8 *data, size_t len, int rx_freq); 802void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 803 const u8 *data, size_t len); 804int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 805 const u8 *go_dev_addr, int dev_pw_id); 806void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 807void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 808 809/* p2p_dev_disc.c */ 810void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 811 const u8 *data, size_t len, int rx_freq); 812void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 813int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 814void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 815void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 816 const u8 *data, size_t len); 817void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 818void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 819 const u8 *data, size_t len, int rx_freq); 820 821/* p2p.c */ 822void p2p_set_state(struct p2p_data *p2p, int new_state); 823void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 824 unsigned int usec); 825void p2p_clear_timeout(struct p2p_data *p2p); 826void p2p_continue_find(struct p2p_data *p2p); 827struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 828 const u8 *addr, 829 struct p2p_message *msg); 830void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 831 struct p2p_device *dev, struct p2p_message *msg); 832int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 833 struct os_reltime *rx_time, int level, const u8 *ies, 834 size_t ies_len, int scan_res); 835struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 836struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 837 const u8 *addr); 838void p2p_go_neg_failed(struct p2p_data *p2p, int status); 839void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 840int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 841int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 842 size_t num_req_dev_type); 843struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 844void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 845int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 846 const u8 *src, const u8 *bssid, const u8 *buf, 847 size_t len, unsigned int wait_time); 848void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 849int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 850 unsigned int force_freq, unsigned int pref_freq, 851 int go); 852void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx); 853int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev, 854 u8 *status); 855void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 856PRINTF_FORMAT(2, 3); 857void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 858PRINTF_FORMAT(2, 3); 859void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 860PRINTF_FORMAT(2, 3); 861 862#endif /* P2P_I_H */ 863