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 "drivers/driver.h" 14 #include "p2p.h" 15 #include "ap/ap_config.h" 16 17 #define P2P_GO_NEG_CNF_MAX_RETRY_COUNT 1 18 19 /* 20 * A threshold (in seconds) to prefer a direct Probe Response frame from a P2P 21 * Device over the P2P Client Info received from a GO. 22 */ 23 #define P2P_DEV_GROUP_CLIENT_RESP_THRESHOLD 1 24 25 enum p2p_role_indication; 26 27 /* 28 * To force Service Instances to fit within a single P2P Tag, MAX_SVC_ADV_LEN 29 * must equal 248 or less. Must have a minimum size of 19. 30 */ 31 #define MAX_SVC_ADV_LEN 600 32 #define MAX_SVC_ADV_IE_LEN (9 + MAX_SVC_ADV_LEN + (5 * (MAX_SVC_ADV_LEN / 240))) 33 34 enum p2p_go_state { 35 UNKNOWN_GO, 36 LOCAL_GO, 37 REMOTE_GO 38 }; 39 40 /** 41 * struct p2p_device - P2P Device data (internal to P2P module) 42 */ 43 struct p2p_device { 44 struct dl_list list; 45 struct os_reltime last_seen; 46 int listen_freq; 47 int oob_go_neg_freq; 48 enum p2p_wps_method wps_method; 49 u16 oob_pw_id; 50 51 struct p2p_peer_info info; 52 53 /* 54 * If the peer was discovered based on an interface address (e.g., GO 55 * from Beacon/Probe Response), the interface address is stored here. 56 * p2p_device_addr must still be set in such a case to the unique 57 * identifier for the P2P Device. 58 * 59 * This field is also used during P2PS PD to store the intended GO 60 * address of the peer. 61 */ 62 u8 interface_addr[ETH_ALEN]; 63 64 /* 65 * P2P Device Address of the GO in whose group this P2P Device is a 66 * client. 67 */ 68 u8 member_in_go_dev[ETH_ALEN]; 69 70 /* 71 * P2P Interface Address of the GO in whose group this P2P Device is a 72 * client. 73 */ 74 u8 member_in_go_iface[ETH_ALEN]; 75 76 int go_neg_req_sent; 77 enum p2p_go_state go_state; 78 u8 dialog_token; 79 u8 tie_breaker; 80 u8 intended_addr[ETH_ALEN]; 81 82 char country[3]; 83 struct p2p_channels channels; 84 int oper_freq; 85 u8 oper_ssid[SSID_MAX_LEN]; 86 size_t oper_ssid_len; 87 88 /** 89 * req_config_methods - Pending provision discovery methods 90 */ 91 u16 req_config_methods; 92 93 /** 94 * wps_prov_info - Stored provisioning WPS config method 95 * 96 * This is used to store pending WPS config method between Provisioning 97 * Discovery and connection to a running group. 98 */ 99 u16 wps_prov_info; 100 101 #define P2P_DEV_PROBE_REQ_ONLY BIT(0) 102 #define P2P_DEV_REPORTED BIT(1) 103 #define P2P_DEV_NOT_YET_READY BIT(2) 104 #define P2P_DEV_PD_PEER_DISPLAY BIT(5) 105 #define P2P_DEV_PD_PEER_KEYPAD BIT(6) 106 #define P2P_DEV_USER_REJECTED BIT(7) 107 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 108 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 109 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 110 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 111 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 112 #define P2P_DEV_FORCE_FREQ BIT(13) 113 #define P2P_DEV_PD_FOR_JOIN BIT(14) 114 #define P2P_DEV_REPORTED_ONCE BIT(15) 115 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 116 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 117 #define P2P_DEV_NO_PREF_CHAN BIT(18) 118 #define P2P_DEV_WAIT_INV_REQ_ACK BIT(19) 119 #define P2P_DEV_P2PS_REPORTED BIT(20) 120 #define P2P_DEV_PD_PEER_P2PS BIT(21) 121 #define P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT BIT(22) 122 123 unsigned int flags; 124 125 int status; /* enum p2p_status_code */ 126 unsigned int wait_count; 127 unsigned int connect_reqs; 128 unsigned int invitation_reqs; 129 unsigned int sd_reqs; 130 131 u16 ext_listen_period; 132 u16 ext_listen_interval; 133 134 u8 go_timeout; 135 u8 client_timeout; 136 137 /** 138 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries 139 */ 140 u8 go_neg_conf_sent; 141 142 /** 143 * freq - Frquency on which the GO Negotiation Confirmation is sent 144 */ 145 int go_neg_conf_freq; 146 147 /** 148 * go_neg_conf - GO Negotiation Confirmation frame 149 */ 150 struct wpabuf *go_neg_conf; 151 152 int sd_pending_bcast_queries; 153 bool support_6ghz; 154 }; 155 156 struct p2p_sd_query { 157 struct p2p_sd_query *next; 158 u8 peer[ETH_ALEN]; 159 int for_all_peers; 160 int wsd; /* Wi-Fi Display Service Discovery Request */ 161 struct wpabuf *tlvs; 162 }; 163 164 /** 165 * struct p2p_data - P2P module data (internal to P2P module) 166 */ 167 struct p2p_data { 168 /** 169 * cfg - P2P module configuration 170 * 171 * This is included in the same memory allocation with the 172 * struct p2p_data and as such, must not be freed separately. 173 */ 174 struct p2p_config *cfg; 175 176 /** 177 * state - The current P2P state 178 */ 179 enum p2p_state { 180 /** 181 * P2P_IDLE - Idle 182 */ 183 P2P_IDLE, 184 185 /** 186 * P2P_SEARCH - Search (Device Discovery) 187 */ 188 P2P_SEARCH, 189 190 /** 191 * P2P_CONNECT - Trying to start GO Negotiation 192 */ 193 P2P_CONNECT, 194 195 /** 196 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 197 */ 198 P2P_CONNECT_LISTEN, 199 200 /** 201 * P2P_GO_NEG - In GO Negotiation 202 */ 203 P2P_GO_NEG, 204 205 /** 206 * P2P_LISTEN_ONLY - Listen only 207 */ 208 P2P_LISTEN_ONLY, 209 210 /** 211 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 212 */ 213 P2P_WAIT_PEER_CONNECT, 214 215 /** 216 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 217 */ 218 P2P_WAIT_PEER_IDLE, 219 220 /** 221 * P2P_SD_DURING_FIND - Service Discovery during find 222 */ 223 P2P_SD_DURING_FIND, 224 225 /** 226 * P2P_PROVISIONING - Provisioning (during group formation) 227 */ 228 P2P_PROVISIONING, 229 230 /** 231 * P2P_PD_DURING_FIND - Provision Discovery during find 232 */ 233 P2P_PD_DURING_FIND, 234 235 /** 236 * P2P_INVITE - Trying to start Invite 237 */ 238 P2P_INVITE, 239 240 /** 241 * P2P_INVITE_LISTEN - Listen during Invite 242 */ 243 P2P_INVITE_LISTEN, 244 } state; 245 246 /** 247 * min_disc_int - minDiscoverableInterval 248 */ 249 int min_disc_int; 250 251 /** 252 * max_disc_int - maxDiscoverableInterval 253 */ 254 int max_disc_int; 255 256 /** 257 * max_disc_tu - Maximum number of TUs for discoverable interval 258 */ 259 int max_disc_tu; 260 261 /** 262 * devices - List of known P2P Device peers 263 */ 264 struct dl_list devices; 265 266 /** 267 * go_neg_peer - Pointer to GO Negotiation peer 268 */ 269 struct p2p_device *go_neg_peer; 270 271 /** 272 * invite_peer - Pointer to Invite peer 273 */ 274 struct p2p_device *invite_peer; 275 276 /** 277 * last_p2p_find_oper - Pointer to last pre-find operation peer 278 */ 279 struct p2p_device *last_p2p_find_oper; 280 281 const u8 *invite_go_dev_addr; 282 u8 invite_go_dev_addr_buf[ETH_ALEN]; 283 int invite_dev_pw_id; 284 285 unsigned int retry_invite_req:1; 286 unsigned int retry_invite_req_sent:1; 287 288 /** 289 * sd_peer - Pointer to Service Discovery peer 290 */ 291 struct p2p_device *sd_peer; 292 293 /** 294 * sd_query - Pointer to Service Discovery query 295 */ 296 struct p2p_sd_query *sd_query; 297 298 /** 299 * num_p2p_sd_queries - Total number of broadcast SD queries present in 300 * the list 301 */ 302 int num_p2p_sd_queries; 303 304 /** 305 * sd_query_no_ack - The first peer (Dev Addr) that did not ACK SD Query 306 * 307 * This is used to track the first peer that did not ACK an SD Query 308 * within a single P2P Search iteration. All zeros address means no such 309 * peer was yet seen. This information is used to allow a new Listen and 310 * Search phases to be once every pending SD Query has been sent once to 311 * each peer instead of looping all pending attempts continuously until 312 * running out of retry maximums. 313 */ 314 u8 sd_query_no_ack[ETH_ALEN]; 315 316 /* GO Negotiation data */ 317 318 /** 319 * intended_addr - Local Intended P2P Interface Address 320 * 321 * This address is used during group owner negotiation as the Intended 322 * P2P Interface Address and the group interface will be created with 323 * address as the local address in case of successfully completed 324 * negotiation. 325 */ 326 u8 intended_addr[ETH_ALEN]; 327 328 /** 329 * go_intent - Local GO Intent to be used during GO Negotiation 330 */ 331 u8 go_intent; 332 333 /** 334 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 335 */ 336 u8 next_tie_breaker; 337 338 /** 339 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 340 */ 341 u8 ssid[SSID_MAX_LEN]; 342 343 /** 344 * ssid_len - ssid length in octets 345 */ 346 size_t ssid_len; 347 348 /** 349 * ssid_set - Whether SSID is already set for GO Negotiation 350 */ 351 int ssid_set; 352 353 /** 354 * passphrase - WPA2-Personal passphrase for GO Negotiation (if local end will be GO) 355 */ 356 char passphrase[MAX_PASSPHRASE_LEN + 1]; 357 358 /** 359 * passphrase_set - Whether passphrase is already set for GO Negotiation 360 */ 361 int passphrase_set; 362 363 /** 364 * Regulatory class for own operational channel 365 */ 366 u8 op_reg_class; 367 368 /** 369 * op_channel - Own operational channel 370 */ 371 u8 op_channel; 372 373 /** 374 * channels - Own supported regulatory classes and channels 375 * 376 * List of supposerted channels per regulatory class. The regulatory 377 * classes are defined in IEEE Std 802.11-2007 Annex J and the 378 * numbering of the clases depends on the configured country code. 379 */ 380 struct p2p_channels channels; 381 382 struct wpa_freq_range_list no_go_freq; 383 384 enum p2p_pending_action_state { 385 P2P_NO_PENDING_ACTION, 386 P2P_PENDING_GO_NEG_REQUEST, 387 P2P_PENDING_GO_NEG_RESPONSE, 388 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 389 P2P_PENDING_GO_NEG_CONFIRM, 390 P2P_PENDING_SD, 391 P2P_PENDING_PD, 392 P2P_PENDING_PD_RESPONSE, 393 P2P_PENDING_INVITATION_REQUEST, 394 P2P_PENDING_INVITATION_RESPONSE, 395 P2P_PENDING_DEV_DISC_REQUEST, 396 P2P_PENDING_DEV_DISC_RESPONSE, 397 P2P_PENDING_GO_DISC_REQ 398 } pending_action_state; 399 400 unsigned int pending_listen_freq; 401 unsigned int pending_listen_sec; 402 unsigned int pending_listen_usec; 403 404 u8 dev_capab; 405 406 int in_listen; 407 int drv_in_listen; 408 409 /** 410 * sd_queries - Pending service discovery queries 411 */ 412 struct p2p_sd_query *sd_queries; 413 414 /** 415 * srv_update_indic - Service Update Indicator for local services 416 */ 417 u16 srv_update_indic; 418 419 struct wpabuf *sd_resp; /* Fragmented SD response */ 420 u8 sd_resp_addr[ETH_ALEN]; 421 u8 sd_resp_dialog_token; 422 size_t sd_resp_pos; /* Offset in sd_resp */ 423 u8 sd_frag_id; 424 425 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 426 u16 sd_rx_update_indic; 427 428 /* P2P Invitation data */ 429 enum p2p_invite_role inv_role; 430 u8 inv_bssid[ETH_ALEN]; 431 int inv_bssid_set; 432 u8 inv_ssid[SSID_MAX_LEN]; 433 size_t inv_ssid_len; 434 u8 inv_sa[ETH_ALEN]; 435 u8 inv_group_bssid[ETH_ALEN]; 436 u8 *inv_group_bssid_ptr; 437 u8 inv_go_dev_addr[ETH_ALEN]; 438 u8 inv_status; 439 int inv_op_freq; 440 int inv_persistent; 441 442 enum p2p_discovery_type find_type; 443 int find_specified_freq; 444 unsigned int last_p2p_find_timeout; 445 u8 last_prog_scan_class; 446 u8 last_prog_scan_chan; 447 unsigned int find_pending_full:1; 448 int p2p_scan_running; 449 enum p2p_after_scan { 450 P2P_AFTER_SCAN_NOTHING, 451 P2P_AFTER_SCAN_LISTEN, 452 P2P_AFTER_SCAN_CONNECT 453 } start_after_scan; 454 u8 after_scan_peer[ETH_ALEN]; 455 unsigned int send_action_in_progress:1; 456 457 /* Requested device types for find/search */ 458 unsigned int num_req_dev_types; 459 u8 *req_dev_types; 460 u8 *find_dev_id; 461 u8 find_dev_id_buf[ETH_ALEN]; 462 463 struct os_reltime find_start; /* time of last p2p_find start */ 464 465 struct p2p_group **groups; 466 size_t num_groups; 467 468 struct p2p_device *pending_client_disc_go; 469 u8 pending_client_disc_addr[ETH_ALEN]; 470 u8 pending_dev_disc_dialog_token; 471 u8 pending_dev_disc_addr[ETH_ALEN]; 472 int pending_dev_disc_freq; 473 unsigned int pending_client_disc_freq; 474 475 int ext_listen_only; 476 unsigned int ext_listen_period; 477 unsigned int ext_listen_interval; 478 unsigned int ext_listen_interval_sec; 479 unsigned int ext_listen_interval_usec; 480 481 u8 peer_filter[ETH_ALEN]; 482 483 int cross_connect; 484 485 int best_freq_24; 486 int best_freq_5; 487 int best_freq_overall; 488 int own_freq_preference; 489 490 /** 491 * wps_vendor_ext - WPS Vendor Extensions to add 492 */ 493 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 494 495 /* 496 * user_initiated_pd - Whether a PD request is user initiated or not. 497 */ 498 u8 user_initiated_pd; 499 500 /* 501 * Keep track of which peer a given PD request was sent to. 502 * Used to raise a timeout alert in case there is no response. 503 */ 504 u8 pending_pd_devaddr[ETH_ALEN]; 505 506 /* 507 * Retry counter for provision discovery requests when issued 508 * in IDLE state. 509 */ 510 int pd_retries; 511 512 /** 513 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 514 * 515 * This is is used during PD retries for join-a-group case to use the 516 * correct operating frequency determined from a BSS entry for the GO. 517 */ 518 int pd_force_freq; 519 520 u8 go_timeout; 521 u8 client_timeout; 522 523 /* Extra delay in milliseconds between search iterations */ 524 unsigned int search_delay; 525 int in_search_delay; 526 527 u8 pending_reg_class; 528 u8 pending_channel; 529 u8 pending_channel_forced; 530 531 /* ASP Support */ 532 struct p2ps_advertisement *p2ps_adv_list; 533 struct p2ps_provision *p2ps_prov; 534 u8 wild_card_hash[P2PS_HASH_LEN]; 535 u8 p2ps_seek; 536 u8 p2ps_seek_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN]; 537 u8 p2ps_seek_count; 538 539 #ifdef CONFIG_WIFI_DISPLAY 540 struct wpabuf *wfd_ie_beacon; 541 struct wpabuf *wfd_ie_probe_req; 542 struct wpabuf *wfd_ie_probe_resp; 543 struct wpabuf *wfd_ie_assoc_req; 544 struct wpabuf *wfd_ie_invitation; 545 struct wpabuf *wfd_ie_prov_disc_req; 546 struct wpabuf *wfd_ie_prov_disc_resp; 547 struct wpabuf *wfd_ie_go_neg; 548 struct wpabuf *wfd_dev_info; 549 struct wpabuf *wfd_assoc_bssid; 550 struct wpabuf *wfd_coupled_sink_info; 551 struct wpabuf *wfd_r2_dev_info; 552 #endif /* CONFIG_WIFI_DISPLAY */ 553 554 u16 authorized_oob_dev_pw_id; 555 556 struct wpabuf **vendor_elem; 557 558 struct weighted_pcl pref_freq_list[P2P_MAX_PREF_CHANNELS]; 559 unsigned int num_pref_freq; 560 561 /* Override option for preferred operating channel in GO Negotiation */ 562 u8 override_pref_op_class; 563 u8 override_pref_channel; 564 bool p2p_6ghz_capable; 565 bool include_6ghz; 566 bool allow_6ghz; 567 }; 568 569 /** 570 * struct p2p_message - Parsed P2P message (or P2P IE) 571 */ 572 struct p2p_message { 573 struct wpabuf *p2p_attributes; 574 struct wpabuf *wps_attributes; 575 struct wpabuf *wfd_subelems; 576 577 u8 dialog_token; 578 579 const u8 *capability; 580 const u8 *go_intent; 581 const u8 *status; 582 const u8 *listen_channel; 583 const u8 *operating_channel; 584 const u8 *channel_list; 585 u8 channel_list_len; 586 const u8 *config_timeout; 587 const u8 *intended_addr; 588 const u8 *group_bssid; 589 const u8 *invitation_flags; 590 591 const u8 *group_info; 592 size_t group_info_len; 593 594 const u8 *group_id; 595 size_t group_id_len; 596 597 const u8 *device_id; 598 599 const u8 *manageability; 600 601 const u8 *noa; 602 size_t noa_len; 603 604 const u8 *ext_listen_timing; 605 606 const u8 *minor_reason_code; 607 608 const u8 *oob_go_neg_channel; 609 610 /* P2P Device Info */ 611 const u8 *p2p_device_info; 612 size_t p2p_device_info_len; 613 const u8 *p2p_device_addr; 614 const u8 *pri_dev_type; 615 u8 num_sec_dev_types; 616 char device_name[WPS_DEV_NAME_MAX_LEN + 1]; 617 u16 config_methods; 618 619 /* WPS IE */ 620 u16 dev_password_id; 621 int dev_password_id_present; 622 u16 wps_config_methods; 623 const u8 *wps_pri_dev_type; 624 const u8 *wps_sec_dev_type_list; 625 size_t wps_sec_dev_type_list_len; 626 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 627 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 628 const u8 *manufacturer; 629 size_t manufacturer_len; 630 const u8 *model_name; 631 size_t model_name_len; 632 const u8 *model_number; 633 size_t model_number_len; 634 const u8 *serial_number; 635 size_t serial_number_len; 636 const u8 *oob_dev_password; 637 size_t oob_dev_password_len; 638 639 /* DS Parameter Set IE */ 640 const u8 *ds_params; 641 642 /* SSID IE */ 643 const u8 *ssid; 644 645 /* P2PS */ 646 u8 service_hash_count; 647 const u8 *service_hash; 648 649 const u8 *session_info; 650 size_t session_info_len; 651 652 const u8 *conn_cap; 653 654 const u8 *adv_id; 655 const u8 *adv_mac; 656 657 const u8 *adv_service_instance; 658 size_t adv_service_instance_len; 659 660 const u8 *session_id; 661 const u8 *session_mac; 662 663 const u8 *feature_cap; 664 size_t feature_cap_len; 665 666 const u8 *persistent_dev; 667 const u8 *persistent_ssid; 668 size_t persistent_ssid_len; 669 670 const u8 *pref_freq_list; 671 size_t pref_freq_list_len; 672 }; 673 674 675 #define P2P_MAX_GROUP_ENTRIES 50 676 677 struct p2p_group_info { 678 unsigned int num_clients; 679 struct p2p_client_info { 680 const u8 *p2p_device_addr; 681 const u8 *p2p_interface_addr; 682 u8 dev_capab; 683 u16 config_methods; 684 const u8 *pri_dev_type; 685 u8 num_sec_dev_types; 686 const u8 *sec_dev_types; 687 const char *dev_name; 688 size_t dev_name_len; 689 } client[P2P_MAX_GROUP_ENTRIES]; 690 }; 691 692 693 /* p2p_utils.c */ 694 int p2p_random(char *buf, size_t len); 695 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 696 void p2p_channels_intersect(const struct p2p_channels *a, 697 const struct p2p_channels *b, 698 struct p2p_channels *res); 699 void p2p_channels_union_inplace(struct p2p_channels *res, 700 const struct p2p_channels *b); 701 void p2p_channels_union(const struct p2p_channels *a, 702 const struct p2p_channels *b, 703 struct p2p_channels *res); 704 void p2p_channels_remove_freqs(struct p2p_channels *chan, 705 const struct wpa_freq_range_list *list); 706 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 707 u8 channel); 708 void p2p_channels_dump(struct p2p_data *p2p, const char *title, 709 const struct p2p_channels *chan); 710 int p2p_channel_select(struct p2p_channels *chans, const int *classes, 711 u8 *op_class, u8 *op_channel); 712 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class, 713 u8 *op_channel, 714 struct wpa_freq_range_list *avoid_list, 715 struct wpa_freq_range_list *disallow_list); 716 void p2p_copy_channels(struct p2p_channels *dst, const struct p2p_channels *src, 717 bool allow_6ghz); 718 719 /* p2p_parse.c */ 720 void p2p_copy_filter_devname(char *dst, size_t dst_len, 721 const void *src, size_t src_len); 722 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 723 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 724 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 725 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p, 726 size_t p2p_len, struct p2p_message *msg); 727 void p2p_parse_free(struct p2p_message *msg); 728 int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 729 int p2p_group_info_parse(const u8 *gi, size_t gi_len, 730 struct p2p_group_info *info); 731 732 /* p2p_build.c */ 733 734 struct p2p_noa_desc { 735 u8 count_type; 736 u32 duration; 737 u32 interval; 738 u32 start_time; 739 }; 740 741 /* p2p_group.c */ 742 const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 743 u8 p2p_group_presence_req(struct p2p_group *group, 744 const u8 *client_interface_addr, 745 const u8 *noa, size_t noa_len); 746 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 747 size_t group_id_len); 748 void p2p_group_update_ies(struct p2p_group *group); 749 void p2p_group_force_beacon_update_ies(struct p2p_group *group); 750 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 751 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf, 752 int max_clients); 753 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf); 754 int p2p_group_get_freq(struct p2p_group *group); 755 756 757 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 758 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 759 u8 dialog_token); 760 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 761 void p2p_buf_add_status(struct wpabuf *buf, u8 status); 762 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 763 struct p2p_device *peer); 764 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 765 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 766 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 767 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 768 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 769 u8 reg_class, u8 channel); 770 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 771 u8 reg_class, u8 channel); 772 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 773 struct p2p_channels *chan, bool is_6ghz_capab); 774 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 775 u8 client_timeout); 776 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 777 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 778 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 779 const u8 *ssid, size_t ssid_len); 780 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 781 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 782 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 783 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 784 u16 interval); 785 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 786 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 787 u8 oper_class, u8 channel, 788 enum p2p_role_indication role); 789 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p); 790 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info); 791 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap); 792 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac); 793 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p, 794 u8 count, const u8 *hash, 795 struct p2ps_advertisement *adv_list); 796 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac); 797 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len, 798 const u8 *mask); 799 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr, 800 const u8 *ssid, size_t ssid_len); 801 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 802 int all_attr); 803 void p2p_buf_add_pref_channel_list(struct wpabuf *buf, 804 const struct weighted_pcl *pref_freq_list, 805 unsigned int size); 806 807 /* p2p_sd.c */ 808 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 809 struct p2p_device *dev); 810 void p2p_free_sd_queries(struct p2p_data *p2p); 811 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 812 const u8 *data, size_t len, int rx_freq); 813 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 814 const u8 *data, size_t len, int rx_freq); 815 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 816 const u8 *data, size_t len, int rx_freq); 817 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 818 const u8 *data, size_t len, int rx_freq); 819 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 820 821 /* p2p_go_neg.c */ 822 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 823 struct p2p_device *dev, 824 const u8 *channel_list, size_t channel_list_len); 825 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 826 const u8 *data, size_t len, int rx_freq); 827 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 828 const u8 *data, size_t len, int rx_freq); 829 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 830 const u8 *data, size_t len); 831 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 832 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 833 void p2p_reselect_channel(struct p2p_data *p2p, 834 struct p2p_channels *intersection); 835 void p2p_check_pref_chan(struct p2p_data *p2p, int go, 836 struct p2p_device *dev, struct p2p_message *msg); 837 838 /* p2p_pd.c */ 839 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 840 const u8 *data, size_t len, int rx_freq); 841 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 842 const u8 *data, size_t len); 843 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 844 int join, int force_freq); 845 void p2p_reset_pending_pd(struct p2p_data *p2p); 846 void p2ps_prov_free(struct p2p_data *p2p); 847 848 /* p2p_invitation.c */ 849 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 850 const u8 *data, size_t len, int rx_freq); 851 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 852 const u8 *data, size_t len); 853 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 854 const u8 *go_dev_addr, int dev_pw_id); 855 void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 856 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 857 858 /* p2p_dev_disc.c */ 859 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 860 const u8 *data, size_t len, int rx_freq); 861 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 862 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 863 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 864 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 865 const u8 *data, size_t len); 866 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 867 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 868 const u8 *data, size_t len, int rx_freq); 869 870 /* p2p.c */ 871 void p2p_set_state(struct p2p_data *p2p, int new_state); 872 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 873 unsigned int usec); 874 void p2p_clear_timeout(struct p2p_data *p2p); 875 void p2p_continue_find(struct p2p_data *p2p); 876 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 877 const u8 *addr, 878 struct p2p_message *msg); 879 void p2p_update_peer_6ghz_capab(struct p2p_device *dev, 880 const struct p2p_message *msg); 881 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 882 struct p2p_device *dev, struct p2p_message *msg); 883 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 884 struct os_reltime *rx_time, int level, const u8 *ies, 885 size_t ies_len, int scan_res); 886 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 887 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 888 const u8 *addr); 889 void p2p_go_neg_failed(struct p2p_data *p2p, int status); 890 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 891 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 892 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 893 size_t num_req_dev_type); 894 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p, 895 const u8 *query_hash, 896 u8 query_count); 897 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 898 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 899 const u8 *src, const u8 *bssid, const u8 *buf, 900 size_t len, unsigned int wait_time); 901 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 902 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 903 unsigned int force_freq, unsigned int pref_freq, 904 int go); 905 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx); 906 int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev, 907 u8 *status); 908 void p2p_pref_channel_filter(const struct p2p_channels *a, 909 const struct weighted_pcl *freq_list, 910 unsigned int num_channels, 911 struct p2p_channels *res, bool go); 912 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 913 PRINTF_FORMAT(2, 3); 914 void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 915 PRINTF_FORMAT(2, 3); 916 void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 917 PRINTF_FORMAT(2, 3); 918 919 #endif /* P2P_I_H */ 920