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 #ifdef CONFIG_WIFI_RPT 353 /** 354 * p2p_rpt_net_id - net id of rpt 355 */ 356 int p2p_rpt_net_id; 357 358 /** 359 * p2p_rpt - whether p2p is rpt 360 */ 361 int p2p_rpt; 362 363 /** 364 * p2p_rpt_freq - wifi rpt freq 365 */ 366 int p2p_rpt_freq; 367 368 /** 369 * ssid_preconfigured - wifi rpt ssid 370 */ 371 char ssid_preconfigured[32]; 372 373 /** 374 * passphrase_preconfigured - wifi rpt psk 375 */ 376 char passphrase_preconfigured[64]; 377 #endif /* CONFIG_WIFI_RPT */ 378 379 /** 380 * Regulatory class for own operational channel 381 */ 382 u8 op_reg_class; 383 384 /** 385 * op_channel - Own operational channel 386 */ 387 u8 op_channel; 388 389 /** 390 * channels - Own supported regulatory classes and channels 391 * 392 * List of supposerted channels per regulatory class. The regulatory 393 * classes are defined in IEEE Std 802.11-2007 Annex J and the 394 * numbering of the clases depends on the configured country code. 395 */ 396 struct p2p_channels channels; 397 398 struct wpa_freq_range_list no_go_freq; 399 400 enum p2p_pending_action_state { 401 P2P_NO_PENDING_ACTION, 402 P2P_PENDING_GO_NEG_REQUEST, 403 P2P_PENDING_GO_NEG_RESPONSE, 404 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 405 P2P_PENDING_GO_NEG_CONFIRM, 406 P2P_PENDING_SD, 407 P2P_PENDING_PD, 408 P2P_PENDING_PD_RESPONSE, 409 P2P_PENDING_INVITATION_REQUEST, 410 P2P_PENDING_INVITATION_RESPONSE, 411 P2P_PENDING_DEV_DISC_REQUEST, 412 P2P_PENDING_DEV_DISC_RESPONSE, 413 P2P_PENDING_GO_DISC_REQ 414 } pending_action_state; 415 416 unsigned int pending_listen_freq; 417 unsigned int pending_listen_sec; 418 unsigned int pending_listen_usec; 419 bool pending_listen_wait_drv; 420 421 u8 dev_capab; 422 423 int in_listen; 424 int drv_in_listen; 425 426 /** 427 * sd_queries - Pending service discovery queries 428 */ 429 struct p2p_sd_query *sd_queries; 430 431 /** 432 * srv_update_indic - Service Update Indicator for local services 433 */ 434 u16 srv_update_indic; 435 436 struct wpabuf *sd_resp; /* Fragmented SD response */ 437 u8 sd_resp_addr[ETH_ALEN]; 438 u8 sd_resp_dialog_token; 439 size_t sd_resp_pos; /* Offset in sd_resp */ 440 u8 sd_frag_id; 441 442 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 443 u16 sd_rx_update_indic; 444 445 /* P2P Invitation data */ 446 enum p2p_invite_role inv_role; 447 u8 inv_bssid[ETH_ALEN]; 448 int inv_bssid_set; 449 u8 inv_ssid[SSID_MAX_LEN]; 450 size_t inv_ssid_len; 451 u8 inv_sa[ETH_ALEN]; 452 u8 inv_group_bssid[ETH_ALEN]; 453 u8 *inv_group_bssid_ptr; 454 u8 inv_go_dev_addr[ETH_ALEN]; 455 u8 inv_status; 456 int inv_op_freq; 457 int inv_persistent; 458 459 enum p2p_discovery_type find_type; 460 int find_specified_freq; 461 unsigned int last_p2p_find_timeout; 462 u8 last_prog_scan_class; 463 u8 last_prog_scan_chan; 464 unsigned int find_pending_full:1; 465 int p2p_scan_running; 466 enum p2p_after_scan { 467 P2P_AFTER_SCAN_NOTHING, 468 P2P_AFTER_SCAN_LISTEN, 469 P2P_AFTER_SCAN_CONNECT, 470 #ifdef CONFIG_OPEN_HARMONY_SPECIFIC_P2P_FIND 471 P2P_AFTER_SCAN_FULL_SCAN, 472 #endif 473 } start_after_scan; 474 u8 after_scan_peer[ETH_ALEN]; 475 unsigned int send_action_in_progress:1; 476 477 /* Requested device types for find/search */ 478 unsigned int num_req_dev_types; 479 u8 *req_dev_types; 480 u8 *find_dev_id; 481 u8 find_dev_id_buf[ETH_ALEN]; 482 483 struct os_reltime find_start; /* time of last p2p_find start */ 484 485 struct p2p_group **groups; 486 size_t num_groups; 487 488 struct p2p_device *pending_client_disc_go; 489 u8 pending_client_disc_addr[ETH_ALEN]; 490 u8 pending_dev_disc_dialog_token; 491 u8 pending_dev_disc_addr[ETH_ALEN]; 492 int pending_dev_disc_freq; 493 unsigned int pending_client_disc_freq; 494 495 int ext_listen_only; 496 unsigned int ext_listen_period; 497 unsigned int ext_listen_interval; 498 unsigned int ext_listen_interval_sec; 499 unsigned int ext_listen_interval_usec; 500 501 u8 peer_filter[ETH_ALEN]; 502 503 int cross_connect; 504 505 int best_freq_24; 506 int best_freq_5; 507 int best_freq_overall; 508 int own_freq_preference; 509 510 /** 511 * wps_vendor_ext - WPS Vendor Extensions to add 512 */ 513 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 514 515 /* 516 * user_initiated_pd - Whether a PD request is user initiated or not. 517 */ 518 u8 user_initiated_pd; 519 520 /* 521 * Keep track of which peer a given PD request was sent to. 522 * Used to raise a timeout alert in case there is no response. 523 */ 524 u8 pending_pd_devaddr[ETH_ALEN]; 525 526 /* 527 * Retry counter for provision discovery requests when issued 528 * in IDLE state. 529 */ 530 int pd_retries; 531 532 /** 533 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 534 * 535 * This is is used during PD retries for join-a-group case to use the 536 * correct operating frequency determined from a BSS entry for the GO. 537 */ 538 int pd_force_freq; 539 540 u8 go_timeout; 541 u8 client_timeout; 542 543 /* Extra delay in milliseconds between search iterations */ 544 unsigned int search_delay; 545 int in_search_delay; 546 547 u8 pending_reg_class; 548 u8 pending_channel; 549 u8 pending_channel_forced; 550 551 /* ASP Support */ 552 struct p2ps_advertisement *p2ps_adv_list; 553 struct p2ps_provision *p2ps_prov; 554 u8 wild_card_hash[P2PS_HASH_LEN]; 555 u8 p2ps_seek; 556 u8 p2ps_seek_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN]; 557 u8 p2ps_seek_count; 558 559 #ifdef CONFIG_WIFI_DISPLAY 560 struct wpabuf *wfd_ie_beacon; 561 struct wpabuf *wfd_ie_probe_req; 562 struct wpabuf *wfd_ie_probe_resp; 563 struct wpabuf *wfd_ie_assoc_req; 564 struct wpabuf *wfd_ie_invitation; 565 struct wpabuf *wfd_ie_prov_disc_req; 566 struct wpabuf *wfd_ie_prov_disc_resp; 567 struct wpabuf *wfd_ie_go_neg; 568 struct wpabuf *wfd_dev_info; 569 struct wpabuf *wfd_assoc_bssid; 570 struct wpabuf *wfd_coupled_sink_info; 571 struct wpabuf *wfd_r2_dev_info; 572 #endif /* CONFIG_WIFI_DISPLAY */ 573 574 u16 authorized_oob_dev_pw_id; 575 576 struct wpabuf **vendor_elem; 577 578 struct weighted_pcl pref_freq_list[P2P_MAX_PREF_CHANNELS]; 579 unsigned int num_pref_freq; 580 581 /* Override option for preferred operating channel in GO Negotiation */ 582 u8 override_pref_op_class; 583 u8 override_pref_channel; 584 #ifdef HARMONY_P2P_CONNECTIVITY_PATCH 585 /** 586 * process_go_neg_opt - go negotiation optimization flag, allow to modify intent 587 * 0 - disallow to process, 1- allow to process 588 */ 589 int process_go_neg_opt; 590 591 /** 592 * enable_go_neg_opt - enable go negotiation optimization or not 593 * 0 - disable, 1- enable 594 */ 595 int enable_go_neg_opt; 596 #endif 597 bool p2p_6ghz_capable; 598 bool include_6ghz; 599 bool allow_6ghz; 600 #ifdef CONFIG_OPEN_HARMONY_PATCH 601 u8 ltecoex_flag; 602 #ifdef OPEN_HARMONY_MIRACAST_SINK_OPT 603 u8 calculated_go_intent; 604 unsigned int original_ext_listen_period; 605 u8 original_reg_class; 606 u8 original_listen_channel; 607 u8 enable_ext_listen:1; 608 u8 on_op_channel_listen:1; 609 u8 invite_resp_callback_result; 610 #endif 611 #endif 612 #ifdef HARMONY_CONNECTIVITY_PATCH 613 int persistent_group_need_remove; 614 u8 pvt_p2p_service; 615 #endif 616 }; 617 618 enum p2p_pvt_service { 619 P2P_NORMAL_FIND, 620 #ifdef OPEN_HARMONY_P2P_ONEHOP_FIND 621 P2P_ONEHOP_FIND 622 #endif 623 }; 624 625 /** 626 * struct p2p_message - Parsed P2P message (or P2P IE) 627 */ 628 struct p2p_message { 629 struct wpabuf *p2p_attributes; 630 struct wpabuf *wps_attributes; 631 struct wpabuf *wfd_subelems; 632 633 u8 dialog_token; 634 635 const u8 *capability; 636 const u8 *go_intent; 637 const u8 *status; 638 const u8 *listen_channel; 639 const u8 *operating_channel; 640 const u8 *channel_list; 641 u8 channel_list_len; 642 const u8 *config_timeout; 643 const u8 *intended_addr; 644 const u8 *group_bssid; 645 const u8 *invitation_flags; 646 647 const u8 *group_info; 648 size_t group_info_len; 649 650 const u8 *group_id; 651 size_t group_id_len; 652 653 const u8 *device_id; 654 655 const u8 *manageability; 656 657 const u8 *noa; 658 size_t noa_len; 659 660 const u8 *ext_listen_timing; 661 662 const u8 *minor_reason_code; 663 664 const u8 *oob_go_neg_channel; 665 666 /* P2P Device Info */ 667 const u8 *p2p_device_info; 668 size_t p2p_device_info_len; 669 const u8 *p2p_device_addr; 670 const u8 *pri_dev_type; 671 u8 num_sec_dev_types; 672 char device_name[WPS_DEV_NAME_MAX_LEN + 1]; 673 u16 config_methods; 674 675 /* WPS IE */ 676 u16 dev_password_id; 677 int dev_password_id_present; 678 u16 wps_config_methods; 679 const u8 *wps_pri_dev_type; 680 const u8 *wps_sec_dev_type_list; 681 size_t wps_sec_dev_type_list_len; 682 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 683 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 684 const u8 *manufacturer; 685 size_t manufacturer_len; 686 const u8 *model_name; 687 size_t model_name_len; 688 const u8 *model_number; 689 size_t model_number_len; 690 const u8 *serial_number; 691 size_t serial_number_len; 692 const u8 *oob_dev_password; 693 size_t oob_dev_password_len; 694 695 /* DS Parameter Set IE */ 696 const u8 *ds_params; 697 698 /* SSID IE */ 699 const u8 *ssid; 700 701 /* P2PS */ 702 u8 service_hash_count; 703 const u8 *service_hash; 704 705 const u8 *session_info; 706 size_t session_info_len; 707 708 const u8 *conn_cap; 709 710 const u8 *adv_id; 711 const u8 *adv_mac; 712 713 const u8 *adv_service_instance; 714 size_t adv_service_instance_len; 715 716 const u8 *session_id; 717 const u8 *session_mac; 718 719 const u8 *feature_cap; 720 size_t feature_cap_len; 721 722 const u8 *persistent_dev; 723 const u8 *persistent_ssid; 724 size_t persistent_ssid_len; 725 726 const u8 *pref_freq_list; 727 size_t pref_freq_list_len; 728 }; 729 730 731 #define P2P_MAX_GROUP_ENTRIES 50 732 733 struct p2p_group_info { 734 unsigned int num_clients; 735 struct p2p_client_info { 736 const u8 *p2p_device_addr; 737 const u8 *p2p_interface_addr; 738 u8 dev_capab; 739 u16 config_methods; 740 const u8 *pri_dev_type; 741 u8 num_sec_dev_types; 742 const u8 *sec_dev_types; 743 const char *dev_name; 744 size_t dev_name_len; 745 } client[P2P_MAX_GROUP_ENTRIES]; 746 }; 747 748 749 /* p2p_utils.c */ 750 int p2p_random(char *buf, size_t len); 751 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 752 void p2p_channels_intersect(const struct p2p_channels *a, 753 const struct p2p_channels *b, 754 struct p2p_channels *res); 755 void p2p_channels_union_inplace(struct p2p_channels *res, 756 const struct p2p_channels *b); 757 void p2p_channels_union(const struct p2p_channels *a, 758 const struct p2p_channels *b, 759 struct p2p_channels *res); 760 void p2p_channels_remove_freqs(struct p2p_channels *chan, 761 const struct wpa_freq_range_list *list); 762 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 763 u8 channel); 764 void p2p_channels_dump(struct p2p_data *p2p, const char *title, 765 const struct p2p_channels *chan); 766 int p2p_channel_select(struct p2p_channels *chans, const int *classes, 767 u8 *op_class, u8 *op_channel); 768 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class, 769 u8 *op_channel, 770 struct wpa_freq_range_list *avoid_list, 771 struct wpa_freq_range_list *disallow_list); 772 void p2p_copy_channels(struct p2p_channels *dst, const struct p2p_channels *src, 773 bool allow_6ghz); 774 775 /* p2p_parse.c */ 776 void p2p_copy_filter_devname(char *dst, size_t dst_len, 777 const void *src, size_t src_len); 778 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 779 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 780 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 781 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p, 782 size_t p2p_len, struct p2p_message *msg); 783 void p2p_parse_free(struct p2p_message *msg); 784 int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 785 int p2p_group_info_parse(const u8 *gi, size_t gi_len, 786 struct p2p_group_info *info); 787 788 /* p2p_build.c */ 789 790 struct p2p_noa_desc { 791 u8 count_type; 792 u32 duration; 793 u32 interval; 794 u32 start_time; 795 }; 796 797 /* p2p_group.c */ 798 const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 799 u8 p2p_group_presence_req(struct p2p_group *group, 800 const u8 *client_interface_addr, 801 const u8 *noa, size_t noa_len); 802 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 803 size_t group_id_len); 804 void p2p_group_update_ies(struct p2p_group *group); 805 void p2p_group_force_beacon_update_ies(struct p2p_group *group); 806 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 807 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf, 808 int max_clients); 809 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf); 810 int p2p_group_get_freq(struct p2p_group *group); 811 812 813 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 814 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 815 u8 dialog_token); 816 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 817 void p2p_buf_add_status(struct wpabuf *buf, u8 status); 818 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 819 struct p2p_device *peer); 820 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 821 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 822 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 823 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 824 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 825 u8 reg_class, u8 channel); 826 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 827 u8 reg_class, u8 channel); 828 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 829 struct p2p_channels *chan, bool is_6ghz_capab); 830 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 831 u8 client_timeout); 832 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 833 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 834 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 835 const u8 *ssid, size_t ssid_len); 836 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 837 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 838 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 839 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 840 u16 interval); 841 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 842 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 843 u8 oper_class, u8 channel, 844 enum p2p_role_indication role); 845 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p); 846 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info); 847 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap); 848 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac); 849 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p, 850 u8 count, const u8 *hash, 851 struct p2ps_advertisement *adv_list); 852 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac); 853 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len, 854 const u8 *mask); 855 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr, 856 const u8 *ssid, size_t ssid_len); 857 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 858 int all_attr); 859 void p2p_buf_add_pref_channel_list(struct wpabuf *buf, 860 const struct weighted_pcl *pref_freq_list, 861 unsigned int size); 862 863 /* p2p_sd.c */ 864 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 865 struct p2p_device *dev); 866 void p2p_free_sd_queries(struct p2p_data *p2p); 867 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 868 const u8 *data, size_t len, int rx_freq); 869 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 870 const u8 *data, size_t len, int rx_freq); 871 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 872 const u8 *data, size_t len, int rx_freq); 873 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 874 const u8 *data, size_t len, int rx_freq); 875 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 876 877 /* p2p_go_neg.c */ 878 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 879 struct p2p_device *dev, 880 const u8 *channel_list, size_t channel_list_len); 881 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 882 const u8 *data, size_t len, int rx_freq); 883 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 884 const u8 *data, size_t len, int rx_freq); 885 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 886 const u8 *data, size_t len); 887 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 888 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 889 void p2p_reselect_channel(struct p2p_data *p2p, 890 struct p2p_channels *intersection); 891 void p2p_check_pref_chan(struct p2p_data *p2p, int go, 892 struct p2p_device *dev, struct p2p_message *msg); 893 894 /* p2p_pd.c */ 895 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 896 const u8 *data, size_t len, int rx_freq); 897 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 898 const u8 *data, size_t len); 899 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 900 int join, int force_freq); 901 void p2p_reset_pending_pd(struct p2p_data *p2p); 902 void p2ps_prov_free(struct p2p_data *p2p); 903 904 /* p2p_invitation.c */ 905 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 906 const u8 *data, size_t len, int rx_freq); 907 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 908 const u8 *data, size_t len); 909 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 910 const u8 *go_dev_addr, int dev_pw_id); 911 void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 912 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 913 914 /* p2p_dev_disc.c */ 915 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 916 const u8 *data, size_t len, int rx_freq); 917 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 918 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 919 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 920 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 921 const u8 *data, size_t len); 922 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 923 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 924 const u8 *data, size_t len, int rx_freq); 925 926 /* p2p.c */ 927 void p2p_set_state(struct p2p_data *p2p, int new_state); 928 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 929 unsigned int usec); 930 void p2p_clear_timeout(struct p2p_data *p2p); 931 void p2p_continue_find(struct p2p_data *p2p); 932 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 933 const u8 *addr, 934 struct p2p_message *msg); 935 void p2p_update_peer_6ghz_capab(struct p2p_device *dev, 936 const struct p2p_message *msg); 937 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 938 struct p2p_device *dev, struct p2p_message *msg); 939 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 940 struct os_reltime *rx_time, int level, const u8 *ies, 941 size_t ies_len, int scan_res); 942 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 943 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 944 const u8 *addr); 945 void p2p_go_neg_failed(struct p2p_data *p2p, int status); 946 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 947 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 948 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 949 size_t num_req_dev_type); 950 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p, 951 const u8 *query_hash, 952 u8 query_count); 953 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 954 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 955 const u8 *src, const u8 *bssid, const u8 *buf, 956 size_t len, unsigned int wait_time); 957 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 958 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 959 unsigned int force_freq, unsigned int pref_freq, 960 int go); 961 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx); 962 int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev, 963 u8 *status); 964 void p2p_pref_channel_filter(const struct p2p_channels *a, 965 const struct weighted_pcl *freq_list, 966 unsigned int num_channels, 967 struct p2p_channels *res, bool go); 968 969 void p2p_sd_query_cb(struct p2p_data *p2p, int success); 970 971 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 972 PRINTF_FORMAT(2, 3); 973 void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 974 PRINTF_FORMAT(2, 3); 975 void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 976 PRINTF_FORMAT(2, 3); 977 void p2p_warning(struct p2p_data *p2p, const char *fmt, ...) 978 PRINTF_FORMAT(2, 3); 979 #endif /* P2P_I_H */ 980