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 16 #define P2P_GO_NEG_CNF_MAX_RETRY_COUNT 1 17 18 /* 19 * A threshold (in seconds) to prefer a direct Probe Response frame from a P2P 20 * Device over the P2P Client Info received from a GO. 21 */ 22 #define P2P_DEV_GROUP_CLIENT_RESP_THRESHOLD 1 23 24 enum p2p_role_indication; 25 26 /* 27 * To force Service Instances to fit within a single P2P Tag, MAX_SVC_ADV_LEN 28 * must equal 248 or less. Must have a minimum size of 19. 29 */ 30 #define MAX_SVC_ADV_LEN 600 31 #define MAX_SVC_ADV_IE_LEN (9 + MAX_SVC_ADV_LEN + (5 * (MAX_SVC_ADV_LEN / 240))) 32 33 enum p2p_go_state { 34 UNKNOWN_GO, 35 LOCAL_GO, 36 REMOTE_GO 37 }; 38 39 /** 40 * struct p2p_device - P2P Device data (internal to P2P module) 41 */ 42 struct p2p_device { 43 struct dl_list list; 44 struct os_reltime last_seen; 45 int listen_freq; 46 int oob_go_neg_freq; 47 enum p2p_wps_method wps_method; 48 u16 oob_pw_id; 49 50 struct p2p_peer_info info; 51 52 /* 53 * If the peer was discovered based on an interface address (e.g., GO 54 * from Beacon/Probe Response), the interface address is stored here. 55 * p2p_device_addr must still be set in such a case to the unique 56 * identifier for the P2P Device. 57 * 58 * This field is also used during P2PS PD to store the intended GO 59 * address of the peer. 60 */ 61 u8 interface_addr[ETH_ALEN]; 62 63 /* 64 * P2P Device Address of the GO in whose group this P2P Device is a 65 * client. 66 */ 67 u8 member_in_go_dev[ETH_ALEN]; 68 69 /* 70 * P2P Interface Address of the GO in whose group this P2P Device is a 71 * client. 72 */ 73 u8 member_in_go_iface[ETH_ALEN]; 74 75 int go_neg_req_sent; 76 enum p2p_go_state go_state; 77 u8 dialog_token; 78 u8 tie_breaker; 79 u8 intended_addr[ETH_ALEN]; 80 81 char country[3]; 82 struct p2p_channels channels; 83 int oper_freq; 84 u8 oper_ssid[SSID_MAX_LEN]; 85 size_t oper_ssid_len; 86 87 /** 88 * req_config_methods - Pending provision discovery methods 89 */ 90 u16 req_config_methods; 91 92 /** 93 * wps_prov_info - Stored provisioning WPS config method 94 * 95 * This is used to store pending WPS config method between Provisioning 96 * Discovery and connection to a running group. 97 */ 98 u16 wps_prov_info; 99 100 #define P2P_DEV_PROBE_REQ_ONLY BIT(0) 101 #define P2P_DEV_REPORTED BIT(1) 102 #define P2P_DEV_NOT_YET_READY BIT(2) 103 #define P2P_DEV_PD_PEER_DISPLAY BIT(5) 104 #define P2P_DEV_PD_PEER_KEYPAD BIT(6) 105 #define P2P_DEV_USER_REJECTED BIT(7) 106 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 107 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 108 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 109 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 110 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 111 #define P2P_DEV_FORCE_FREQ BIT(13) 112 #define P2P_DEV_PD_FOR_JOIN BIT(14) 113 #define P2P_DEV_REPORTED_ONCE BIT(15) 114 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 115 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 116 #define P2P_DEV_NO_PREF_CHAN BIT(18) 117 #define P2P_DEV_WAIT_INV_REQ_ACK BIT(19) 118 #define P2P_DEV_P2PS_REPORTED BIT(20) 119 #define P2P_DEV_PD_PEER_P2PS BIT(21) 120 #define P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT BIT(22) 121 122 unsigned int flags; 123 124 int status; /* enum p2p_status_code */ 125 unsigned int wait_count; 126 unsigned int connect_reqs; 127 unsigned int invitation_reqs; 128 unsigned int sd_reqs; 129 130 u16 ext_listen_period; 131 u16 ext_listen_interval; 132 133 u8 go_timeout; 134 u8 client_timeout; 135 136 /** 137 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries 138 */ 139 u8 go_neg_conf_sent; 140 141 /** 142 * freq - Frquency on which the GO Negotiation Confirmation is sent 143 */ 144 int go_neg_conf_freq; 145 146 /** 147 * go_neg_conf - GO Negotiation Confirmation frame 148 */ 149 struct wpabuf *go_neg_conf; 150 151 int sd_pending_bcast_queries; 152 bool support_6ghz; 153 }; 154 155 struct p2p_sd_query { 156 struct p2p_sd_query *next; 157 u8 peer[ETH_ALEN]; 158 int for_all_peers; 159 int wsd; /* Wi-Fi Display Service Discovery Request */ 160 struct wpabuf *tlvs; 161 }; 162 163 /** 164 * struct p2p_data - P2P module data (internal to P2P module) 165 */ 166 struct p2p_data { 167 /** 168 * cfg - P2P module configuration 169 * 170 * This is included in the same memory allocation with the 171 * struct p2p_data and as such, must not be freed separately. 172 */ 173 struct p2p_config *cfg; 174 175 /** 176 * state - The current P2P state 177 */ 178 enum p2p_state { 179 /** 180 * P2P_IDLE - Idle 181 */ 182 P2P_IDLE, 183 184 /** 185 * P2P_SEARCH - Search (Device Discovery) 186 */ 187 P2P_SEARCH, 188 189 /** 190 * P2P_CONNECT - Trying to start GO Negotiation 191 */ 192 P2P_CONNECT, 193 194 /** 195 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 196 */ 197 P2P_CONNECT_LISTEN, 198 199 /** 200 * P2P_GO_NEG - In GO Negotiation 201 */ 202 P2P_GO_NEG, 203 204 /** 205 * P2P_LISTEN_ONLY - Listen only 206 */ 207 P2P_LISTEN_ONLY, 208 209 /** 210 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 211 */ 212 P2P_WAIT_PEER_CONNECT, 213 214 /** 215 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 216 */ 217 P2P_WAIT_PEER_IDLE, 218 219 /** 220 * P2P_SD_DURING_FIND - Service Discovery during find 221 */ 222 P2P_SD_DURING_FIND, 223 224 /** 225 * P2P_PROVISIONING - Provisioning (during group formation) 226 */ 227 P2P_PROVISIONING, 228 229 /** 230 * P2P_PD_DURING_FIND - Provision Discovery during find 231 */ 232 P2P_PD_DURING_FIND, 233 234 /** 235 * P2P_INVITE - Trying to start Invite 236 */ 237 P2P_INVITE, 238 239 /** 240 * P2P_INVITE_LISTEN - Listen during Invite 241 */ 242 P2P_INVITE_LISTEN, 243 } state; 244 245 /** 246 * min_disc_int - minDiscoverableInterval 247 */ 248 int min_disc_int; 249 250 /** 251 * max_disc_int - maxDiscoverableInterval 252 */ 253 int max_disc_int; 254 255 /** 256 * max_disc_tu - Maximum number of TUs for discoverable interval 257 */ 258 int max_disc_tu; 259 260 /** 261 * devices - List of known P2P Device peers 262 */ 263 struct dl_list devices; 264 265 /** 266 * go_neg_peer - Pointer to GO Negotiation peer 267 */ 268 struct p2p_device *go_neg_peer; 269 270 /** 271 * invite_peer - Pointer to Invite peer 272 */ 273 struct p2p_device *invite_peer; 274 275 /** 276 * last_p2p_find_oper - Pointer to last pre-find operation peer 277 */ 278 struct p2p_device *last_p2p_find_oper; 279 280 const u8 *invite_go_dev_addr; 281 u8 invite_go_dev_addr_buf[ETH_ALEN]; 282 int invite_dev_pw_id; 283 284 unsigned int retry_invite_req:1; 285 unsigned int retry_invite_req_sent:1; 286 287 /** 288 * sd_peer - Pointer to Service Discovery peer 289 */ 290 struct p2p_device *sd_peer; 291 292 /** 293 * sd_query - Pointer to Service Discovery query 294 */ 295 struct p2p_sd_query *sd_query; 296 297 /** 298 * num_p2p_sd_queries - Total number of broadcast SD queries present in 299 * the list 300 */ 301 int num_p2p_sd_queries; 302 303 /** 304 * sd_query_no_ack - The first peer (Dev Addr) that did not ACK SD Query 305 * 306 * This is used to track the first peer that did not ACK an SD Query 307 * within a single P2P Search iteration. All zeros address means no such 308 * peer was yet seen. This information is used to allow a new Listen and 309 * Search phases to be once every pending SD Query has been sent once to 310 * each peer instead of looping all pending attempts continuously until 311 * running out of retry maximums. 312 */ 313 u8 sd_query_no_ack[ETH_ALEN]; 314 315 /* GO Negotiation data */ 316 317 /** 318 * intended_addr - Local Intended P2P Interface Address 319 * 320 * This address is used during group owner negotiation as the Intended 321 * P2P Interface Address and the group interface will be created with 322 * address as the local address in case of successfully completed 323 * negotiation. 324 */ 325 u8 intended_addr[ETH_ALEN]; 326 327 /** 328 * go_intent - Local GO Intent to be used during GO Negotiation 329 */ 330 u8 go_intent; 331 332 /** 333 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 334 */ 335 u8 next_tie_breaker; 336 337 /** 338 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 339 */ 340 u8 ssid[SSID_MAX_LEN]; 341 342 /** 343 * ssid_len - ssid length in octets 344 */ 345 size_t ssid_len; 346 347 /** 348 * ssid_set - Whether SSID is already set for GO Negotiation 349 */ 350 int ssid_set; 351 352 /** 353 * Regulatory class for own operational channel 354 */ 355 u8 op_reg_class; 356 357 /** 358 * op_channel - Own operational channel 359 */ 360 u8 op_channel; 361 362 /** 363 * channels - Own supported regulatory classes and channels 364 * 365 * List of supposerted channels per regulatory class. The regulatory 366 * classes are defined in IEEE Std 802.11-2007 Annex J and the 367 * numbering of the clases depends on the configured country code. 368 */ 369 struct p2p_channels channels; 370 371 struct wpa_freq_range_list no_go_freq; 372 373 enum p2p_pending_action_state { 374 P2P_NO_PENDING_ACTION, 375 P2P_PENDING_GO_NEG_REQUEST, 376 P2P_PENDING_GO_NEG_RESPONSE, 377 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 378 P2P_PENDING_GO_NEG_CONFIRM, 379 P2P_PENDING_SD, 380 P2P_PENDING_PD, 381 P2P_PENDING_PD_RESPONSE, 382 P2P_PENDING_INVITATION_REQUEST, 383 P2P_PENDING_INVITATION_RESPONSE, 384 P2P_PENDING_DEV_DISC_REQUEST, 385 P2P_PENDING_DEV_DISC_RESPONSE, 386 P2P_PENDING_GO_DISC_REQ 387 } pending_action_state; 388 389 unsigned int pending_listen_freq; 390 unsigned int pending_listen_sec; 391 unsigned int pending_listen_usec; 392 bool pending_listen_wait_drv; 393 394 u8 dev_capab; 395 396 int in_listen; 397 int drv_in_listen; 398 399 /** 400 * sd_queries - Pending service discovery queries 401 */ 402 struct p2p_sd_query *sd_queries; 403 404 /** 405 * srv_update_indic - Service Update Indicator for local services 406 */ 407 u16 srv_update_indic; 408 409 struct wpabuf *sd_resp; /* Fragmented SD response */ 410 u8 sd_resp_addr[ETH_ALEN]; 411 u8 sd_resp_dialog_token; 412 size_t sd_resp_pos; /* Offset in sd_resp */ 413 u8 sd_frag_id; 414 415 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 416 u16 sd_rx_update_indic; 417 418 /* P2P Invitation data */ 419 enum p2p_invite_role inv_role; 420 u8 inv_bssid[ETH_ALEN]; 421 int inv_bssid_set; 422 u8 inv_ssid[SSID_MAX_LEN]; 423 size_t inv_ssid_len; 424 u8 inv_sa[ETH_ALEN]; 425 u8 inv_group_bssid[ETH_ALEN]; 426 u8 *inv_group_bssid_ptr; 427 u8 inv_go_dev_addr[ETH_ALEN]; 428 u8 inv_status; 429 int inv_op_freq; 430 int inv_persistent; 431 432 enum p2p_discovery_type find_type; 433 int find_specified_freq; 434 unsigned int last_p2p_find_timeout; 435 u8 last_prog_scan_class; 436 u8 last_prog_scan_chan; 437 unsigned int find_pending_full:1; 438 int p2p_scan_running; 439 enum p2p_after_scan { 440 P2P_AFTER_SCAN_NOTHING, 441 P2P_AFTER_SCAN_LISTEN, 442 P2P_AFTER_SCAN_CONNECT 443 } start_after_scan; 444 u8 after_scan_peer[ETH_ALEN]; 445 unsigned int send_action_in_progress:1; 446 447 /* Requested device types for find/search */ 448 unsigned int num_req_dev_types; 449 u8 *req_dev_types; 450 u8 *find_dev_id; 451 u8 find_dev_id_buf[ETH_ALEN]; 452 453 struct os_reltime find_start; /* time of last p2p_find start */ 454 455 struct p2p_group **groups; 456 size_t num_groups; 457 458 struct p2p_device *pending_client_disc_go; 459 u8 pending_client_disc_addr[ETH_ALEN]; 460 u8 pending_dev_disc_dialog_token; 461 u8 pending_dev_disc_addr[ETH_ALEN]; 462 int pending_dev_disc_freq; 463 unsigned int pending_client_disc_freq; 464 465 int ext_listen_only; 466 unsigned int ext_listen_period; 467 unsigned int ext_listen_interval; 468 unsigned int ext_listen_interval_sec; 469 unsigned int ext_listen_interval_usec; 470 471 u8 peer_filter[ETH_ALEN]; 472 473 int cross_connect; 474 475 int best_freq_24; 476 int best_freq_5; 477 int best_freq_overall; 478 int own_freq_preference; 479 480 /** 481 * wps_vendor_ext - WPS Vendor Extensions to add 482 */ 483 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 484 485 /* 486 * user_initiated_pd - Whether a PD request is user initiated or not. 487 */ 488 u8 user_initiated_pd; 489 490 /* 491 * Keep track of which peer a given PD request was sent to. 492 * Used to raise a timeout alert in case there is no response. 493 */ 494 u8 pending_pd_devaddr[ETH_ALEN]; 495 496 /* 497 * Retry counter for provision discovery requests when issued 498 * in IDLE state. 499 */ 500 int pd_retries; 501 502 /** 503 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 504 * 505 * This is is used during PD retries for join-a-group case to use the 506 * correct operating frequency determined from a BSS entry for the GO. 507 */ 508 int pd_force_freq; 509 510 u8 go_timeout; 511 u8 client_timeout; 512 513 /* Extra delay in milliseconds between search iterations */ 514 unsigned int search_delay; 515 int in_search_delay; 516 517 u8 pending_reg_class; 518 u8 pending_channel; 519 u8 pending_channel_forced; 520 521 /* ASP Support */ 522 struct p2ps_advertisement *p2ps_adv_list; 523 struct p2ps_provision *p2ps_prov; 524 u8 wild_card_hash[P2PS_HASH_LEN]; 525 u8 p2ps_seek; 526 u8 p2ps_seek_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN]; 527 u8 p2ps_seek_count; 528 529 #ifdef CONFIG_WIFI_DISPLAY 530 struct wpabuf *wfd_ie_beacon; 531 struct wpabuf *wfd_ie_probe_req; 532 struct wpabuf *wfd_ie_probe_resp; 533 struct wpabuf *wfd_ie_assoc_req; 534 struct wpabuf *wfd_ie_invitation; 535 struct wpabuf *wfd_ie_prov_disc_req; 536 struct wpabuf *wfd_ie_prov_disc_resp; 537 struct wpabuf *wfd_ie_go_neg; 538 struct wpabuf *wfd_dev_info; 539 struct wpabuf *wfd_assoc_bssid; 540 struct wpabuf *wfd_coupled_sink_info; 541 struct wpabuf *wfd_r2_dev_info; 542 #endif /* CONFIG_WIFI_DISPLAY */ 543 544 u16 authorized_oob_dev_pw_id; 545 546 struct wpabuf **vendor_elem; 547 548 struct weighted_pcl pref_freq_list[P2P_MAX_PREF_CHANNELS]; 549 unsigned int num_pref_freq; 550 551 /* Override option for preferred operating channel in GO Negotiation */ 552 u8 override_pref_op_class; 553 u8 override_pref_channel; 554 bool p2p_6ghz_capable; 555 bool include_6ghz; 556 bool allow_6ghz; 557 }; 558 559 /** 560 * struct p2p_message - Parsed P2P message (or P2P IE) 561 */ 562 struct p2p_message { 563 struct wpabuf *p2p_attributes; 564 struct wpabuf *wps_attributes; 565 struct wpabuf *wfd_subelems; 566 567 u8 dialog_token; 568 569 const u8 *capability; 570 const u8 *go_intent; 571 const u8 *status; 572 const u8 *listen_channel; 573 const u8 *operating_channel; 574 const u8 *channel_list; 575 u8 channel_list_len; 576 const u8 *config_timeout; 577 const u8 *intended_addr; 578 const u8 *group_bssid; 579 const u8 *invitation_flags; 580 581 const u8 *group_info; 582 size_t group_info_len; 583 584 const u8 *group_id; 585 size_t group_id_len; 586 587 const u8 *device_id; 588 589 const u8 *manageability; 590 591 const u8 *noa; 592 size_t noa_len; 593 594 const u8 *ext_listen_timing; 595 596 const u8 *minor_reason_code; 597 598 const u8 *oob_go_neg_channel; 599 600 /* P2P Device Info */ 601 const u8 *p2p_device_info; 602 size_t p2p_device_info_len; 603 const u8 *p2p_device_addr; 604 const u8 *pri_dev_type; 605 u8 num_sec_dev_types; 606 char device_name[WPS_DEV_NAME_MAX_LEN + 1]; 607 u16 config_methods; 608 609 /* WPS IE */ 610 u16 dev_password_id; 611 int dev_password_id_present; 612 u16 wps_config_methods; 613 const u8 *wps_pri_dev_type; 614 const u8 *wps_sec_dev_type_list; 615 size_t wps_sec_dev_type_list_len; 616 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 617 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 618 const u8 *manufacturer; 619 size_t manufacturer_len; 620 const u8 *model_name; 621 size_t model_name_len; 622 const u8 *model_number; 623 size_t model_number_len; 624 const u8 *serial_number; 625 size_t serial_number_len; 626 const u8 *oob_dev_password; 627 size_t oob_dev_password_len; 628 629 /* DS Parameter Set IE */ 630 const u8 *ds_params; 631 632 /* SSID IE */ 633 const u8 *ssid; 634 635 /* P2PS */ 636 u8 service_hash_count; 637 const u8 *service_hash; 638 639 const u8 *session_info; 640 size_t session_info_len; 641 642 const u8 *conn_cap; 643 644 const u8 *adv_id; 645 const u8 *adv_mac; 646 647 const u8 *adv_service_instance; 648 size_t adv_service_instance_len; 649 650 const u8 *session_id; 651 const u8 *session_mac; 652 653 const u8 *feature_cap; 654 size_t feature_cap_len; 655 656 const u8 *persistent_dev; 657 const u8 *persistent_ssid; 658 size_t persistent_ssid_len; 659 660 const u8 *pref_freq_list; 661 size_t pref_freq_list_len; 662 }; 663 664 665 #define P2P_MAX_GROUP_ENTRIES 50 666 667 struct p2p_group_info { 668 unsigned int num_clients; 669 struct p2p_client_info { 670 const u8 *p2p_device_addr; 671 const u8 *p2p_interface_addr; 672 u8 dev_capab; 673 u16 config_methods; 674 const u8 *pri_dev_type; 675 u8 num_sec_dev_types; 676 const u8 *sec_dev_types; 677 const char *dev_name; 678 size_t dev_name_len; 679 } client[P2P_MAX_GROUP_ENTRIES]; 680 }; 681 682 683 /* p2p_utils.c */ 684 int p2p_random(char *buf, size_t len); 685 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 686 void p2p_channels_intersect(const struct p2p_channels *a, 687 const struct p2p_channels *b, 688 struct p2p_channels *res); 689 void p2p_channels_union_inplace(struct p2p_channels *res, 690 const struct p2p_channels *b); 691 void p2p_channels_union(const struct p2p_channels *a, 692 const struct p2p_channels *b, 693 struct p2p_channels *res); 694 void p2p_channels_remove_freqs(struct p2p_channels *chan, 695 const struct wpa_freq_range_list *list); 696 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 697 u8 channel); 698 void p2p_channels_dump(struct p2p_data *p2p, const char *title, 699 const struct p2p_channels *chan); 700 int p2p_channel_select(struct p2p_channels *chans, const int *classes, 701 u8 *op_class, u8 *op_channel); 702 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class, 703 u8 *op_channel, 704 struct wpa_freq_range_list *avoid_list, 705 struct wpa_freq_range_list *disallow_list); 706 void p2p_copy_channels(struct p2p_channels *dst, const struct p2p_channels *src, 707 bool allow_6ghz); 708 709 /* p2p_parse.c */ 710 void p2p_copy_filter_devname(char *dst, size_t dst_len, 711 const void *src, size_t src_len); 712 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 713 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 714 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 715 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p, 716 size_t p2p_len, struct p2p_message *msg); 717 void p2p_parse_free(struct p2p_message *msg); 718 int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 719 int p2p_group_info_parse(const u8 *gi, size_t gi_len, 720 struct p2p_group_info *info); 721 722 /* p2p_build.c */ 723 724 struct p2p_noa_desc { 725 u8 count_type; 726 u32 duration; 727 u32 interval; 728 u32 start_time; 729 }; 730 731 /* p2p_group.c */ 732 const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 733 u8 p2p_group_presence_req(struct p2p_group *group, 734 const u8 *client_interface_addr, 735 const u8 *noa, size_t noa_len); 736 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 737 size_t group_id_len); 738 void p2p_group_update_ies(struct p2p_group *group); 739 void p2p_group_force_beacon_update_ies(struct p2p_group *group); 740 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 741 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf, 742 int max_clients); 743 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf); 744 int p2p_group_get_freq(struct p2p_group *group); 745 746 747 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 748 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 749 u8 dialog_token); 750 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 751 void p2p_buf_add_status(struct wpabuf *buf, u8 status); 752 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 753 struct p2p_device *peer); 754 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 755 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 756 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 757 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 758 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 759 u8 reg_class, u8 channel); 760 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 761 u8 reg_class, u8 channel); 762 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 763 struct p2p_channels *chan, bool is_6ghz_capab); 764 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 765 u8 client_timeout); 766 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 767 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 768 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 769 const u8 *ssid, size_t ssid_len); 770 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 771 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 772 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 773 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 774 u16 interval); 775 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 776 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 777 u8 oper_class, u8 channel, 778 enum p2p_role_indication role); 779 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p); 780 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info); 781 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap); 782 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac); 783 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p, 784 u8 count, const u8 *hash, 785 struct p2ps_advertisement *adv_list); 786 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac); 787 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len, 788 const u8 *mask); 789 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr, 790 const u8 *ssid, size_t ssid_len); 791 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 792 int all_attr); 793 void p2p_buf_add_pref_channel_list(struct wpabuf *buf, 794 const struct weighted_pcl *pref_freq_list, 795 unsigned int size); 796 797 /* p2p_sd.c */ 798 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 799 struct p2p_device *dev); 800 void p2p_free_sd_queries(struct p2p_data *p2p); 801 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 802 const u8 *data, size_t len, int rx_freq); 803 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 804 const u8 *data, size_t len, int rx_freq); 805 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 806 const u8 *data, size_t len, int rx_freq); 807 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 808 const u8 *data, size_t len, int rx_freq); 809 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 810 811 /* p2p_go_neg.c */ 812 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 813 struct p2p_device *dev, 814 const u8 *channel_list, size_t channel_list_len); 815 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 816 const u8 *data, size_t len, int rx_freq); 817 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 818 const u8 *data, size_t len, int rx_freq); 819 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 820 const u8 *data, size_t len); 821 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 822 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 823 void p2p_reselect_channel(struct p2p_data *p2p, 824 struct p2p_channels *intersection); 825 void p2p_check_pref_chan(struct p2p_data *p2p, int go, 826 struct p2p_device *dev, struct p2p_message *msg); 827 828 /* p2p_pd.c */ 829 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 830 const u8 *data, size_t len, int rx_freq); 831 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 832 const u8 *data, size_t len); 833 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 834 int join, int force_freq); 835 void p2p_reset_pending_pd(struct p2p_data *p2p); 836 void p2ps_prov_free(struct p2p_data *p2p); 837 838 /* p2p_invitation.c */ 839 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 840 const u8 *data, size_t len, int rx_freq); 841 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 842 const u8 *data, size_t len); 843 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 844 const u8 *go_dev_addr, int dev_pw_id); 845 void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 846 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 847 848 /* p2p_dev_disc.c */ 849 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 850 const u8 *data, size_t len, int rx_freq); 851 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 852 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 853 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 854 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 855 const u8 *data, size_t len); 856 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 857 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 858 const u8 *data, size_t len, int rx_freq); 859 860 /* p2p.c */ 861 void p2p_set_state(struct p2p_data *p2p, int new_state); 862 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 863 unsigned int usec); 864 void p2p_clear_timeout(struct p2p_data *p2p); 865 void p2p_continue_find(struct p2p_data *p2p); 866 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 867 const u8 *addr, 868 struct p2p_message *msg); 869 void p2p_update_peer_6ghz_capab(struct p2p_device *dev, 870 const struct p2p_message *msg); 871 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 872 struct p2p_device *dev, struct p2p_message *msg); 873 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 874 struct os_reltime *rx_time, int level, const u8 *ies, 875 size_t ies_len, int scan_res); 876 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 877 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 878 const u8 *addr); 879 void p2p_go_neg_failed(struct p2p_data *p2p, int status); 880 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 881 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 882 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 883 size_t num_req_dev_type); 884 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p, 885 const u8 *query_hash, 886 u8 query_count); 887 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 888 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 889 const u8 *src, const u8 *bssid, const u8 *buf, 890 size_t len, unsigned int wait_time); 891 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 892 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 893 unsigned int force_freq, unsigned int pref_freq, 894 int go); 895 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx); 896 int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev, 897 u8 *status); 898 void p2p_pref_channel_filter(const struct p2p_channels *a, 899 const struct weighted_pcl *freq_list, 900 unsigned int num_channels, 901 struct p2p_channels *res, bool go); 902 903 void p2p_sd_query_cb(struct p2p_data *p2p, int success); 904 905 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 906 PRINTF_FORMAT(2, 3); 907 void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 908 PRINTF_FORMAT(2, 3); 909 void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 910 PRINTF_FORMAT(2, 3); 911 912 #endif /* P2P_I_H */ 913
Indexes created Thu Jun 18 00:24:58 UTC 2026