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 17 /* 18 * A threshold (in seconds) to prefer a direct Probe Response frame from a P2P 19 * Device over the P2P Client Info received from a GO. 20 */ 21 #define P2P_DEV_GROUP_CLIENT_RESP_THRESHOLD 1 22 23 enum p2p_role_indication; 24 25 /* 26 * To force Service Instances to fit within a single P2P Tag, MAX_SVC_ADV_LEN 27 * must equal 248 or less. Must have a minimum size of 19. 28 */ 29 #define MAX_SVC_ADV_LEN 600 30 #define MAX_SVC_ADV_IE_LEN (9 + MAX_SVC_ADV_LEN + (5 * (MAX_SVC_ADV_LEN / 240))) 31 32 enum p2p_go_state { 33 UNKNOWN_GO, 34 LOCAL_GO, 35 REMOTE_GO 36 }; 37 38 /** 39 * struct p2p_device - P2P Device data (internal to P2P module) 40 */ 41 struct p2p_device { 42 struct dl_list list; 43 struct os_reltime last_seen; 44 int listen_freq; 45 int oob_go_neg_freq; 46 enum p2p_wps_method wps_method; 47 u16 oob_pw_id; 48 49 struct p2p_peer_info info; 50 51 /* 52 * If the peer was discovered based on an interface address (e.g., GO 53 * from Beacon/Probe Response), the interface address is stored here. 54 * p2p_device_addr must still be set in such a case to the unique 55 * identifier for the P2P Device. 56 * 57 * This field is also used during P2PS PD to store the intended GO 58 * address of the peer. 59 */ 60 u8 interface_addr[ETH_ALEN]; 61 62 /* 63 * P2P Device Address of the GO in whose group this P2P Device is a 64 * client. 65 */ 66 u8 member_in_go_dev[ETH_ALEN]; 67 68 /* 69 * P2P Interface Address of the GO in whose group this P2P Device is a 70 * client. 71 */ 72 u8 member_in_go_iface[ETH_ALEN]; 73 74 int go_neg_req_sent; 75 enum p2p_go_state go_state; 76 u8 dialog_token; 77 u8 tie_breaker; 78 u8 intended_addr[ETH_ALEN]; 79 80 char country[3]; 81 struct p2p_channels channels; 82 int oper_freq; 83 u8 oper_ssid[SSID_MAX_LEN]; 84 size_t oper_ssid_len; 85 86 /** 87 * req_config_methods - Pending provision discovery methods 88 */ 89 u16 req_config_methods; 90 91 /** 92 * wps_prov_info - Stored provisioning WPS config method 93 * 94 * This is used to store pending WPS config method between Provisioning 95 * Discovery and connection to a running group. 96 */ 97 u16 wps_prov_info; 98 99 #define P2P_DEV_PROBE_REQ_ONLY BIT(0) 100 #define P2P_DEV_REPORTED BIT(1) 101 #define P2P_DEV_NOT_YET_READY BIT(2) 102 #define P2P_DEV_PD_PEER_DISPLAY BIT(5) 103 #define P2P_DEV_PD_PEER_KEYPAD BIT(6) 104 #define P2P_DEV_USER_REJECTED BIT(7) 105 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 106 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 107 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 108 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 109 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 110 #define P2P_DEV_FORCE_FREQ BIT(13) 111 #define P2P_DEV_PD_FOR_JOIN BIT(14) 112 #define P2P_DEV_REPORTED_ONCE BIT(15) 113 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 114 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 115 #define P2P_DEV_NO_PREF_CHAN BIT(18) 116 #define P2P_DEV_WAIT_INV_REQ_ACK BIT(19) 117 #define P2P_DEV_P2PS_REPORTED BIT(20) 118 #define P2P_DEV_PD_PEER_P2PS BIT(21) 119 #define P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT BIT(22) 120 121 unsigned int flags; 122 123 int status; /* enum p2p_status_code */ 124 unsigned int wait_count; 125 unsigned int connect_reqs; 126 unsigned int invitation_reqs; 127 unsigned int sd_reqs; 128 129 u16 ext_listen_period; 130 u16 ext_listen_interval; 131 132 u8 go_timeout; 133 u8 client_timeout; 134 135 /** 136 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries 137 */ 138 u8 go_neg_conf_sent; 139 140 /** 141 * freq - Frquency on which the GO Negotiation Confirmation is sent 142 */ 143 int go_neg_conf_freq; 144 145 /** 146 * go_neg_conf - GO Negotiation Confirmation frame 147 */ 148 struct wpabuf *go_neg_conf; 149 150 int sd_pending_bcast_queries; 151 #ifdef LOS_CONFIG_P2P_MODIFY 152 char reject_flag; 153 #endif /* LOS_CONFIG_P2P_MODIFY */ 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 * Regulatory class for own operational channel 355 */ 356 u8 op_reg_class; 357 358 /** 359 * op_channel - Own operational channel 360 */ 361 u8 op_channel; 362 363 /** 364 * channels - Own supported regulatory classes and channels 365 * 366 * List of supposerted channels per regulatory class. The regulatory 367 * classes are defined in IEEE Std 802.11-2007 Annex J and the 368 * numbering of the clases depends on the configured country code. 369 */ 370 struct p2p_channels channels; 371 372 struct wpa_freq_range_list no_go_freq; 373 374 enum p2p_pending_action_state { 375 P2P_NO_PENDING_ACTION, 376 P2P_PENDING_GO_NEG_REQUEST, 377 P2P_PENDING_GO_NEG_RESPONSE, 378 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 379 P2P_PENDING_GO_NEG_CONFIRM, 380 P2P_PENDING_SD, 381 P2P_PENDING_PD, 382 P2P_PENDING_PD_RESPONSE, 383 P2P_PENDING_INVITATION_REQUEST, 384 P2P_PENDING_INVITATION_RESPONSE, 385 P2P_PENDING_DEV_DISC_REQUEST, 386 P2P_PENDING_DEV_DISC_RESPONSE, 387 P2P_PENDING_GO_DISC_REQ 388 } pending_action_state; 389 390 unsigned int pending_listen_freq; 391 unsigned int pending_listen_sec; 392 unsigned int pending_listen_usec; 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 #ifdef LOS_CONFIG_P2P_SERVICE 526 u8 p2ps_seek; 527 u8 p2ps_seek_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN]; 528 u8 p2ps_seek_count; 529 #endif /* LOS_CONFIG_P2P_SERVICE */ 530 531 #ifdef CONFIG_WIFI_DISPLAY 532 struct wpabuf *wfd_ie_beacon; 533 struct wpabuf *wfd_ie_probe_req; 534 struct wpabuf *wfd_ie_probe_resp; 535 struct wpabuf *wfd_ie_assoc_req; 536 struct wpabuf *wfd_ie_invitation; 537 struct wpabuf *wfd_ie_prov_disc_req; 538 struct wpabuf *wfd_ie_prov_disc_resp; 539 struct wpabuf *wfd_ie_go_neg; 540 struct wpabuf *wfd_dev_info; 541 struct wpabuf *wfd_assoc_bssid; 542 struct wpabuf *wfd_coupled_sink_info; 543 struct wpabuf *wfd_r2_dev_info; 544 #endif /* CONFIG_WIFI_DISPLAY */ 545 546 u16 authorized_oob_dev_pw_id; 547 548 struct wpabuf **vendor_elem; 549 550 unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS]; 551 unsigned int num_pref_freq; 552 553 /* Override option for preferred operating channel in GO Negotiation */ 554 u8 override_pref_op_class; 555 u8 override_pref_channel; 556 bool p2p_6ghz_capable; 557 bool include_6ghz; 558 bool allow_6ghz; 559 }; 560 561 /** 562 * struct p2p_message - Parsed P2P message (or P2P IE) 563 */ 564 struct p2p_message { 565 struct wpabuf *p2p_attributes; 566 struct wpabuf *wps_attributes; 567 struct wpabuf *wfd_subelems; 568 569 u8 dialog_token; 570 571 const u8 *capability; 572 const u8 *go_intent; 573 const u8 *status; 574 const u8 *listen_channel; 575 const u8 *operating_channel; 576 const u8 *channel_list; 577 u8 channel_list_len; 578 const u8 *config_timeout; 579 const u8 *intended_addr; 580 const u8 *group_bssid; 581 const u8 *invitation_flags; 582 583 const u8 *group_info; 584 size_t group_info_len; 585 586 const u8 *group_id; 587 size_t group_id_len; 588 589 const u8 *device_id; 590 591 const u8 *manageability; 592 593 const u8 *noa; 594 size_t noa_len; 595 596 const u8 *ext_listen_timing; 597 598 const u8 *minor_reason_code; 599 600 const u8 *oob_go_neg_channel; 601 602 /* P2P Device Info */ 603 const u8 *p2p_device_info; 604 size_t p2p_device_info_len; 605 const u8 *p2p_device_addr; 606 const u8 *pri_dev_type; 607 u8 num_sec_dev_types; 608 char device_name[WPS_DEV_NAME_MAX_LEN + 1]; 609 u16 config_methods; 610 611 /* WPS IE */ 612 u16 dev_password_id; 613 int dev_password_id_present; 614 u16 wps_config_methods; 615 const u8 *wps_pri_dev_type; 616 const u8 *wps_sec_dev_type_list; 617 size_t wps_sec_dev_type_list_len; 618 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 619 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 620 const u8 *manufacturer; 621 size_t manufacturer_len; 622 const u8 *model_name; 623 size_t model_name_len; 624 const u8 *model_number; 625 size_t model_number_len; 626 const u8 *serial_number; 627 size_t serial_number_len; 628 const u8 *oob_dev_password; 629 size_t oob_dev_password_len; 630 631 /* DS Parameter Set IE */ 632 const u8 *ds_params; 633 634 /* SSID IE */ 635 const u8 *ssid; 636 637 /* P2PS */ 638 u8 service_hash_count; 639 const u8 *service_hash; 640 641 const u8 *session_info; 642 size_t session_info_len; 643 644 const u8 *conn_cap; 645 646 const u8 *adv_id; 647 const u8 *adv_mac; 648 649 const u8 *adv_service_instance; 650 size_t adv_service_instance_len; 651 652 const u8 *session_id; 653 const u8 *session_mac; 654 655 const u8 *feature_cap; 656 size_t feature_cap_len; 657 658 const u8 *persistent_dev; 659 const u8 *persistent_ssid; 660 size_t persistent_ssid_len; 661 662 const u8 *pref_freq_list; 663 size_t pref_freq_list_len; 664 }; 665 666 667 #define P2P_MAX_GROUP_ENTRIES 50 668 669 struct p2p_group_info { 670 unsigned int num_clients; 671 struct p2p_client_info { 672 const u8 *p2p_device_addr; 673 const u8 *p2p_interface_addr; 674 u8 dev_capab; 675 u16 config_methods; 676 const u8 *pri_dev_type; 677 u8 num_sec_dev_types; 678 const u8 *sec_dev_types; 679 const char *dev_name; 680 size_t dev_name_len; 681 } client[P2P_MAX_GROUP_ENTRIES]; 682 }; 683 684 685 /* p2p_utils.c */ 686 int p2p_random(char *buf, size_t len); 687 int p2p_channel_to_freq(int op_class, int channel); 688 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 689 void p2p_channels_intersect(const struct p2p_channels *a, 690 const struct p2p_channels *b, 691 struct p2p_channels *res); 692 void p2p_channels_union_inplace(struct p2p_channels *res, 693 const struct p2p_channels *b); 694 void p2p_channels_union(const struct p2p_channels *a, 695 const struct p2p_channels *b, 696 struct p2p_channels *res); 697 void p2p_channels_remove_freqs(struct p2p_channels *chan, 698 const struct wpa_freq_range_list *list); 699 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 700 u8 channel); 701 void p2p_channels_dump(struct p2p_data *p2p, const char *title, 702 const struct p2p_channels *chan); 703 int p2p_channel_select(struct p2p_channels *chans, const int *classes, 704 u8 *op_class, u8 *op_channel); 705 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class, 706 u8 *op_channel, 707 struct wpa_freq_range_list *avoid_list, 708 struct wpa_freq_range_list *disallow_list); 709 void p2p_copy_channels(struct p2p_channels *dst, const struct p2p_channels *src, 710 bool allow_6ghz); 711 712 /* p2p_parse.c */ 713 void p2p_copy_filter_devname(char *dst, size_t dst_len, 714 const void *src, size_t src_len); 715 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 716 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 717 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 718 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p, 719 size_t p2p_len, struct p2p_message *msg); 720 void p2p_parse_free(struct p2p_message *msg); 721 int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 722 int p2p_group_info_parse(const u8 *gi, size_t gi_len, 723 struct p2p_group_info *info); 724 725 /* p2p_build.c */ 726 727 struct p2p_noa_desc { 728 u8 count_type; 729 u32 duration; 730 u32 interval; 731 u32 start_time; 732 }; 733 734 /* p2p_group.c */ 735 const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 736 u8 p2p_group_presence_req(struct p2p_group *group, 737 const u8 *client_interface_addr, 738 const u8 *noa, size_t noa_len); 739 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 740 size_t group_id_len); 741 void p2p_group_update_ies(struct p2p_group *group); 742 void p2p_group_force_beacon_update_ies(struct p2p_group *group); 743 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 744 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf, 745 int max_clients); 746 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf); 747 int p2p_group_get_freq(struct p2p_group *group); 748 749 750 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 751 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 752 u8 dialog_token); 753 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 754 void p2p_buf_add_status(struct wpabuf *buf, u8 status); 755 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 756 struct p2p_device *peer); 757 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 758 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 759 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 760 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 761 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 762 u8 reg_class, u8 channel); 763 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 764 u8 reg_class, u8 channel); 765 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 766 struct p2p_channels *chan); 767 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 768 u8 client_timeout); 769 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 770 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 771 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 772 const u8 *ssid, size_t ssid_len); 773 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 774 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 775 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 776 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 777 u16 interval); 778 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 779 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 780 u8 oper_class, u8 channel, 781 enum p2p_role_indication role); 782 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p); 783 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info); 784 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap); 785 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac); 786 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p, 787 u8 count, const u8 *hash, 788 struct p2ps_advertisement *adv_list); 789 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac); 790 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len, 791 const u8 *mask); 792 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr, 793 const u8 *ssid, size_t ssid_len); 794 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 795 int all_attr); 796 void p2p_buf_add_pref_channel_list(struct wpabuf *buf, 797 const unsigned int *preferred_freq_list, 798 unsigned int size); 799 800 /* p2p_sd.c */ 801 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 802 struct p2p_device *dev); 803 void p2p_free_sd_queries(struct p2p_data *p2p); 804 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 805 const u8 *data, size_t len, int rx_freq); 806 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 807 const u8 *data, size_t len, int rx_freq); 808 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 809 const u8 *data, size_t len, int rx_freq); 810 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 811 const u8 *data, size_t len, int rx_freq); 812 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 813 814 /* p2p_go_neg.c */ 815 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 816 struct p2p_device *dev, 817 const u8 *channel_list, size_t channel_list_len); 818 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 819 const u8 *data, size_t len, int rx_freq); 820 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 821 const u8 *data, size_t len, int rx_freq); 822 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 823 const u8 *data, size_t len); 824 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 825 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 826 void p2p_reselect_channel(struct p2p_data *p2p, 827 struct p2p_channels *intersection); 828 void p2p_check_pref_chan(struct p2p_data *p2p, int go, 829 struct p2p_device *dev, struct p2p_message *msg); 830 831 /* p2p_pd.c */ 832 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 833 const u8 *data, size_t len, int rx_freq); 834 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 835 const u8 *data, size_t len); 836 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 837 int join, int force_freq); 838 void p2p_reset_pending_pd(struct p2p_data *p2p); 839 void p2ps_prov_free(struct p2p_data *p2p); 840 841 /* p2p_invitation.c */ 842 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 843 const u8 *data, size_t len, int rx_freq); 844 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 845 const u8 *data, size_t len); 846 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 847 const u8 *go_dev_addr, int dev_pw_id); 848 void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 849 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 850 851 /* p2p_dev_disc.c */ 852 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 853 const u8 *data, size_t len, int rx_freq); 854 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 855 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 856 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 857 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 858 const u8 *data, size_t len); 859 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 860 #ifndef LOS_P2P_CROP 861 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 862 const u8 *data, size_t len, int rx_freq); 863 #endif /* LOS_P2P_CROP */ 864 /* p2p.c */ 865 void p2p_set_state(struct p2p_data *p2p, int new_state); 866 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 867 unsigned int usec); 868 void p2p_clear_timeout(struct p2p_data *p2p); 869 void p2p_continue_find(struct p2p_data *p2p); 870 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 871 const u8 *addr, 872 struct p2p_message *msg); 873 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 874 struct p2p_device *dev, struct p2p_message *msg); 875 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 876 struct os_reltime *rx_time, int level, const u8 *ies, 877 size_t ies_len, int scan_res); 878 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 879 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 880 const u8 *addr); 881 void p2p_go_neg_failed(struct p2p_data *p2p, int status); 882 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 883 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 884 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 885 size_t num_req_dev_type); 886 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p, 887 const u8 *query_hash, 888 u8 query_count); 889 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 890 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 891 const u8 *src, const u8 *bssid, const u8 *buf, 892 size_t len, unsigned int wait_time); 893 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 894 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 895 unsigned int force_freq, unsigned int pref_freq, 896 int go); 897 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx); 898 int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev, 899 u8 *status); 900 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 901 PRINTF_FORMAT(2, 3); 902 void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 903 PRINTF_FORMAT(2, 3); 904 void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 905 PRINTF_FORMAT(2, 3); 906 907 #endif /* P2P_I_H */ 908