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 enum p2p_go_state { 16 UNKNOWN_GO, 17 LOCAL_GO, 18 REMOTE_GO 19 }; 20 21 /** 22 * struct p2p_device - P2P Device data (internal to P2P module) 23 */ 24 struct p2p_device { 25 struct dl_list list; 26 struct os_time last_seen; 27 int listen_freq; 28 enum p2p_wps_method wps_method; 29 30 struct p2p_peer_info info; 31 32 /* 33 * If the peer was discovered based on an interface address (e.g., GO 34 * from Beacon/Probe Response), the interface address is stored here. 35 * p2p_device_addr must still be set in such a case to the unique 36 * identifier for the P2P Device. 37 */ 38 u8 interface_addr[ETH_ALEN]; 39 40 /* 41 * P2P Device Address of the GO in whose group this P2P Device is a 42 * client. 43 */ 44 u8 member_in_go_dev[ETH_ALEN]; 45 46 /* 47 * P2P Interface Address of the GO in whose group this P2P Device is a 48 * client. 49 */ 50 u8 member_in_go_iface[ETH_ALEN]; 51 52 int go_neg_req_sent; 53 enum p2p_go_state go_state; 54 u8 dialog_token; 55 u8 tie_breaker; 56 u8 intended_addr[ETH_ALEN]; 57 58 char country[3]; 59 struct p2p_channels channels; 60 int oper_freq; 61 u8 oper_ssid[32]; 62 size_t oper_ssid_len; 63 64 /** 65 * req_config_methods - Pending provision discovery methods 66 */ 67 u16 req_config_methods; 68 69 /** 70 * wps_prov_info - Stored provisioning WPS config method 71 * 72 * This is used to store pending WPS config method between Provisioning 73 * Discovery and connection to a running group. 74 */ 75 u16 wps_prov_info; 76 77 #define P2P_DEV_PROBE_REQ_ONLY BIT(0) 78 #define P2P_DEV_REPORTED BIT(1) 79 #define P2P_DEV_NOT_YET_READY BIT(2) 80 #define P2P_DEV_SD_INFO BIT(3) 81 #define P2P_DEV_SD_SCHEDULE BIT(4) 82 #define P2P_DEV_PD_PEER_DISPLAY BIT(5) 83 #define P2P_DEV_PD_PEER_KEYPAD BIT(6) 84 #define P2P_DEV_USER_REJECTED BIT(7) 85 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 86 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 87 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 88 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 89 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 90 #define P2P_DEV_FORCE_FREQ BIT(13) 91 #define P2P_DEV_PD_FOR_JOIN BIT(14) 92 #define P2P_DEV_REPORTED_ONCE BIT(15) 93 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 94 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 95 #define P2P_DEV_NO_PREF_CHAN BIT(18) 96 unsigned int flags; 97 98 int status; /* enum p2p_status_code */ 99 unsigned int wait_count; 100 unsigned int connect_reqs; 101 unsigned int invitation_reqs; 102 103 u16 ext_listen_period; 104 u16 ext_listen_interval; 105 106 u8 go_timeout; 107 u8 client_timeout; 108 }; 109 110 struct p2p_sd_query { 111 struct p2p_sd_query *next; 112 u8 peer[ETH_ALEN]; 113 int for_all_peers; 114 int wsd; /* Wi-Fi Display Service Discovery Request */ 115 struct wpabuf *tlvs; 116 }; 117 118 struct p2p_pending_action_tx { 119 unsigned int freq; 120 u8 dst[ETH_ALEN]; 121 u8 src[ETH_ALEN]; 122 u8 bssid[ETH_ALEN]; 123 size_t len; 124 unsigned int wait_time; 125 /* Followed by len octets of the frame */ 126 }; 127 128 /** 129 * struct p2p_data - P2P module data (internal to P2P module) 130 */ 131 struct p2p_data { 132 /** 133 * cfg - P2P module configuration 134 * 135 * This is included in the same memory allocation with the 136 * struct p2p_data and as such, must not be freed separately. 137 */ 138 struct p2p_config *cfg; 139 140 /** 141 * state - The current P2P state 142 */ 143 enum p2p_state { 144 /** 145 * P2P_IDLE - Idle 146 */ 147 P2P_IDLE, 148 149 /** 150 * P2P_SEARCH - Search (Device Discovery) 151 */ 152 P2P_SEARCH, 153 154 /** 155 * P2P_CONNECT - Trying to start GO Negotiation 156 */ 157 P2P_CONNECT, 158 159 /** 160 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 161 */ 162 P2P_CONNECT_LISTEN, 163 164 /** 165 * P2P_GO_NEG - In GO Negotiation 166 */ 167 P2P_GO_NEG, 168 169 /** 170 * P2P_LISTEN_ONLY - Listen only 171 */ 172 P2P_LISTEN_ONLY, 173 174 /** 175 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 176 */ 177 P2P_WAIT_PEER_CONNECT, 178 179 /** 180 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 181 */ 182 P2P_WAIT_PEER_IDLE, 183 184 /** 185 * P2P_SD_DURING_FIND - Service Discovery during find 186 */ 187 P2P_SD_DURING_FIND, 188 189 /** 190 * P2P_PROVISIONING - Provisioning (during group formation) 191 */ 192 P2P_PROVISIONING, 193 194 /** 195 * P2P_PD_DURING_FIND - Provision Discovery during find 196 */ 197 P2P_PD_DURING_FIND, 198 199 /** 200 * P2P_INVITE - Trying to start Invite 201 */ 202 P2P_INVITE, 203 204 /** 205 * P2P_INVITE_LISTEN - Listen during Invite 206 */ 207 P2P_INVITE_LISTEN, 208 209 /** 210 * P2P_SEARCH_WHEN_READY - Waiting to start Search 211 */ 212 P2P_SEARCH_WHEN_READY, 213 214 /** 215 * P2P_CONTINUE_SEARCH_WHEN_READY - Waiting to continue Search 216 */ 217 P2P_CONTINUE_SEARCH_WHEN_READY, 218 } state; 219 220 /** 221 * min_disc_int - minDiscoverableInterval 222 */ 223 int min_disc_int; 224 225 /** 226 * max_disc_int - maxDiscoverableInterval 227 */ 228 int max_disc_int; 229 230 /** 231 * max_disc_tu - Maximum number of TUs for discoverable interval 232 */ 233 int max_disc_tu; 234 235 /** 236 * devices - List of known P2P Device peers 237 */ 238 struct dl_list devices; 239 240 #ifdef ANDROID_P2P 241 /** 242 * sd_dev_list - device pointer to be serviced next 243 * for service discovery 244 */ 245 struct dl_list *sd_dev_list; 246 #endif 247 248 /** 249 * go_neg_peer - Pointer to GO Negotiation peer 250 */ 251 struct p2p_device *go_neg_peer; 252 253 /** 254 * invite_peer - Pointer to Invite peer 255 */ 256 struct p2p_device *invite_peer; 257 258 const u8 *invite_go_dev_addr; 259 u8 invite_go_dev_addr_buf[ETH_ALEN]; 260 261 /** 262 * sd_peer - Pointer to Service Discovery peer 263 */ 264 struct p2p_device *sd_peer; 265 266 /** 267 * sd_query - Pointer to Service Discovery query 268 */ 269 struct p2p_sd_query *sd_query; 270 271 /* GO Negotiation data */ 272 273 /** 274 * intended_addr - Local Intended P2P Interface Address 275 * 276 * This address is used during group owner negotiation as the Intended 277 * P2P Interface Address and the group interface will be created with 278 * address as the local address in case of successfully completed 279 * negotiation. 280 */ 281 u8 intended_addr[ETH_ALEN]; 282 283 /** 284 * go_intent - Local GO Intent to be used during GO Negotiation 285 */ 286 u8 go_intent; 287 288 /** 289 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 290 */ 291 u8 next_tie_breaker; 292 293 /** 294 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 295 */ 296 u8 ssid[32]; 297 298 /** 299 * ssid_len - ssid length in octets 300 */ 301 size_t ssid_len; 302 303 /** 304 * ssid_set - Whether SSID is already set for GO Negotiation 305 */ 306 int ssid_set; 307 308 /** 309 * Regulatory class for own operational channel 310 */ 311 u8 op_reg_class; 312 313 /** 314 * op_channel - Own operational channel 315 */ 316 u8 op_channel; 317 318 /** 319 * channels - Own supported regulatory classes and channels 320 * 321 * List of supposerted channels per regulatory class. The regulatory 322 * classes are defined in IEEE Std 802.11-2007 Annex J and the 323 * numbering of the clases depends on the configured country code. 324 */ 325 struct p2p_channels channels; 326 327 enum p2p_pending_action_state { 328 P2P_NO_PENDING_ACTION, 329 P2P_PENDING_GO_NEG_REQUEST, 330 P2P_PENDING_GO_NEG_RESPONSE, 331 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 332 P2P_PENDING_GO_NEG_CONFIRM, 333 P2P_PENDING_SD, 334 P2P_PENDING_PD, 335 P2P_PENDING_INVITATION_REQUEST, 336 P2P_PENDING_INVITATION_RESPONSE, 337 P2P_PENDING_DEV_DISC_REQUEST, 338 P2P_PENDING_DEV_DISC_RESPONSE, 339 P2P_PENDING_GO_DISC_REQ 340 } pending_action_state; 341 342 unsigned int pending_listen_freq; 343 unsigned int pending_listen_sec; 344 unsigned int pending_listen_usec; 345 346 u8 dev_capab; 347 348 int in_listen; 349 int drv_in_listen; 350 351 /** 352 * sd_queries - Pending service discovery queries 353 */ 354 struct p2p_sd_query *sd_queries; 355 356 /** 357 * srv_update_indic - Service Update Indicator for local services 358 */ 359 u16 srv_update_indic; 360 361 struct wpabuf *sd_resp; /* Fragmented SD response */ 362 u8 sd_resp_addr[ETH_ALEN]; 363 u8 sd_resp_dialog_token; 364 size_t sd_resp_pos; /* Offset in sd_resp */ 365 u8 sd_frag_id; 366 367 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 368 u16 sd_rx_update_indic; 369 370 /* P2P Invitation data */ 371 enum p2p_invite_role inv_role; 372 u8 inv_bssid[ETH_ALEN]; 373 int inv_bssid_set; 374 u8 inv_ssid[32]; 375 size_t inv_ssid_len; 376 u8 inv_sa[ETH_ALEN]; 377 u8 inv_group_bssid[ETH_ALEN]; 378 u8 *inv_group_bssid_ptr; 379 u8 inv_go_dev_addr[ETH_ALEN]; 380 u8 inv_status; 381 int inv_op_freq; 382 int inv_persistent; 383 384 enum p2p_discovery_type find_type; 385 unsigned int last_p2p_find_timeout; 386 u8 last_prog_scan_class; 387 u8 last_prog_scan_chan; 388 int p2p_scan_running; 389 enum p2p_after_scan { 390 P2P_AFTER_SCAN_NOTHING, 391 P2P_AFTER_SCAN_LISTEN, 392 P2P_AFTER_SCAN_CONNECT 393 } start_after_scan; 394 u8 after_scan_peer[ETH_ALEN]; 395 struct p2p_pending_action_tx *after_scan_tx; 396 unsigned int after_scan_tx_in_progress:1; 397 398 /* Requested device types for find/search */ 399 unsigned int num_req_dev_types; 400 u8 *req_dev_types; 401 u8 *find_dev_id; 402 u8 find_dev_id_buf[ETH_ALEN]; 403 404 struct os_time find_start; /* time of last p2p_find start */ 405 406 struct p2p_group **groups; 407 size_t num_groups; 408 409 struct p2p_device *pending_client_disc_go; 410 u8 pending_client_disc_addr[ETH_ALEN]; 411 u8 pending_dev_disc_dialog_token; 412 u8 pending_dev_disc_addr[ETH_ALEN]; 413 int pending_dev_disc_freq; 414 unsigned int pending_client_disc_freq; 415 416 int ext_listen_only; 417 unsigned int ext_listen_period; 418 unsigned int ext_listen_interval; 419 unsigned int ext_listen_interval_sec; 420 unsigned int ext_listen_interval_usec; 421 422 u8 peer_filter[ETH_ALEN]; 423 424 int cross_connect; 425 426 int best_freq_24; 427 int best_freq_5; 428 int best_freq_overall; 429 int own_freq_preference; 430 431 /** 432 * wps_vendor_ext - WPS Vendor Extensions to add 433 */ 434 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 435 436 /* 437 * user_initiated_pd - Whether a PD request is user initiated or not. 438 */ 439 u8 user_initiated_pd; 440 441 /* 442 * Keep track of which peer a given PD request was sent to. 443 * Used to raise a timeout alert in case there is no response. 444 */ 445 u8 pending_pd_devaddr[ETH_ALEN]; 446 447 /* 448 * Retry counter for provision discovery requests when issued 449 * in IDLE state. 450 */ 451 int pd_retries; 452 453 u8 go_timeout; 454 u8 client_timeout; 455 456 /* Extra delay in milliseconds between search iterations */ 457 unsigned int search_delay; 458 int in_search_delay; 459 460 #ifdef CONFIG_WIFI_DISPLAY 461 struct wpabuf *wfd_ie_beacon; 462 struct wpabuf *wfd_ie_probe_req; 463 struct wpabuf *wfd_ie_probe_resp; 464 struct wpabuf *wfd_ie_assoc_req; 465 struct wpabuf *wfd_ie_invitation; 466 struct wpabuf *wfd_ie_prov_disc_req; 467 struct wpabuf *wfd_ie_prov_disc_resp; 468 struct wpabuf *wfd_ie_go_neg; 469 struct wpabuf *wfd_dev_info; 470 struct wpabuf *wfd_assoc_bssid; 471 struct wpabuf *wfd_coupled_sink_info; 472 #endif /* CONFIG_WIFI_DISPLAY */ 473 }; 474 475 /** 476 * struct p2p_message - Parsed P2P message (or P2P IE) 477 */ 478 struct p2p_message { 479 struct wpabuf *p2p_attributes; 480 struct wpabuf *wps_attributes; 481 struct wpabuf *wfd_subelems; 482 483 u8 dialog_token; 484 485 const u8 *capability; 486 const u8 *go_intent; 487 const u8 *status; 488 const u8 *listen_channel; 489 const u8 *operating_channel; 490 const u8 *channel_list; 491 u8 channel_list_len; 492 const u8 *config_timeout; 493 const u8 *intended_addr; 494 const u8 *group_bssid; 495 const u8 *invitation_flags; 496 497 const u8 *group_info; 498 size_t group_info_len; 499 500 const u8 *group_id; 501 size_t group_id_len; 502 503 const u8 *device_id; 504 505 const u8 *manageability; 506 507 const u8 *noa; 508 size_t noa_len; 509 510 const u8 *ext_listen_timing; 511 512 const u8 *minor_reason_code; 513 514 /* P2P Device Info */ 515 const u8 *p2p_device_info; 516 size_t p2p_device_info_len; 517 const u8 *p2p_device_addr; 518 const u8 *pri_dev_type; 519 u8 num_sec_dev_types; 520 char device_name[33]; 521 u16 config_methods; 522 523 /* WPS IE */ 524 u16 dev_password_id; 525 u16 wps_config_methods; 526 const u8 *wps_pri_dev_type; 527 const u8 *wps_sec_dev_type_list; 528 size_t wps_sec_dev_type_list_len; 529 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 530 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 531 const u8 *manufacturer; 532 size_t manufacturer_len; 533 const u8 *model_name; 534 size_t model_name_len; 535 const u8 *model_number; 536 size_t model_number_len; 537 const u8 *serial_number; 538 size_t serial_number_len; 539 540 /* DS Parameter Set IE */ 541 const u8 *ds_params; 542 543 /* SSID IE */ 544 const u8 *ssid; 545 }; 546 547 548 #define P2P_MAX_GROUP_ENTRIES 50 549 550 struct p2p_group_info { 551 unsigned int num_clients; 552 struct p2p_client_info { 553 const u8 *p2p_device_addr; 554 const u8 *p2p_interface_addr; 555 u8 dev_capab; 556 u16 config_methods; 557 const u8 *pri_dev_type; 558 u8 num_sec_dev_types; 559 const u8 *sec_dev_types; 560 const char *dev_name; 561 size_t dev_name_len; 562 } client[P2P_MAX_GROUP_ENTRIES]; 563 }; 564 565 566 /* p2p_utils.c */ 567 int p2p_random(char *buf, size_t len); 568 int p2p_channel_to_freq(int op_class, int channel); 569 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 570 void p2p_channels_intersect(const struct p2p_channels *a, 571 const struct p2p_channels *b, 572 struct p2p_channels *res); 573 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 574 u8 channel); 575 #ifdef ANDROID_P2P 576 size_t p2p_copy_reg_class(struct p2p_reg_class *dc, struct p2p_reg_class *sc); 577 #endif 578 579 /* p2p_parse.c */ 580 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 581 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 582 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 583 void p2p_parse_free(struct p2p_message *msg); 584 int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 585 int p2p_group_info_parse(const u8 *gi, size_t gi_len, 586 struct p2p_group_info *info); 587 588 /* p2p_build.c */ 589 590 struct p2p_noa_desc { 591 u8 count_type; 592 u32 duration; 593 u32 interval; 594 u32 start_time; 595 }; 596 597 /* p2p_group.c */ 598 const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 599 u8 p2p_group_presence_req(struct p2p_group *group, 600 const u8 *client_interface_addr, 601 const u8 *noa, size_t noa_len); 602 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 603 size_t group_id_len); 604 void p2p_group_update_ies(struct p2p_group *group); 605 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 606 607 608 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 609 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 610 u8 dialog_token); 611 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 612 void p2p_buf_add_status(struct wpabuf *buf, u8 status); 613 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 614 struct p2p_device *peer); 615 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 616 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 617 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 618 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 619 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 620 u8 reg_class, u8 channel); 621 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 622 u8 reg_class, u8 channel); 623 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 624 struct p2p_channels *chan); 625 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 626 u8 client_timeout); 627 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 628 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 629 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 630 const u8 *ssid, size_t ssid_len); 631 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 632 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 633 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 634 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 635 u16 interval); 636 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 637 void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 638 int all_attr); 639 640 /* p2p_sd.c */ 641 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 642 struct p2p_device *dev); 643 void p2p_free_sd_queries(struct p2p_data *p2p); 644 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 645 const u8 *data, size_t len, int rx_freq); 646 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 647 const u8 *data, size_t len, int rx_freq); 648 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 649 const u8 *data, size_t len, int rx_freq); 650 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 651 const u8 *data, size_t len, int rx_freq); 652 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 653 654 /* p2p_go_neg.c */ 655 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 656 struct p2p_device *dev, 657 const u8 *channel_list, size_t channel_list_len); 658 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 659 const u8 *data, size_t len, int rx_freq); 660 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 661 const u8 *data, size_t len, int rx_freq); 662 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 663 const u8 *data, size_t len); 664 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 665 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 666 void p2p_reselect_channel(struct p2p_data *p2p, 667 struct p2p_channels *intersection); 668 669 /* p2p_pd.c */ 670 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 671 const u8 *data, size_t len, int rx_freq); 672 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 673 const u8 *data, size_t len); 674 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 675 int join, int force_freq); 676 void p2p_reset_pending_pd(struct p2p_data *p2p); 677 678 /* p2p_invitation.c */ 679 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 680 const u8 *data, size_t len, int rx_freq); 681 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 682 const u8 *data, size_t len); 683 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 684 const u8 *go_dev_addr); 685 void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 686 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 687 688 /* p2p_dev_disc.c */ 689 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 690 const u8 *data, size_t len, int rx_freq); 691 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 692 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 693 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 694 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 695 const u8 *data, size_t len); 696 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 697 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 698 const u8 *data, size_t len, int rx_freq); 699 700 /* p2p.c */ 701 void p2p_set_state(struct p2p_data *p2p, int new_state); 702 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 703 unsigned int usec); 704 void p2p_clear_timeout(struct p2p_data *p2p); 705 void p2p_continue_find(struct p2p_data *p2p); 706 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 707 const u8 *addr, 708 struct p2p_message *msg); 709 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 710 struct p2p_device *dev, struct p2p_message *msg); 711 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 712 struct os_time *rx_time, int level, const u8 *ies, 713 size_t ies_len, int scan_res); 714 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 715 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 716 const u8 *addr); 717 void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 718 int status); 719 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 720 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 721 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 722 size_t num_req_dev_type); 723 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 724 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 725 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 726 const u8 *src, const u8 *bssid, const u8 *buf, 727 size_t len, unsigned int wait_time); 728 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 729 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 730 unsigned int force_freq, unsigned int pref_freq); 731 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 732 PRINTF_FORMAT(2, 3); 733 void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 734 PRINTF_FORMAT(2, 3); 735 void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 736 PRINTF_FORMAT(2, 3); 737 738 #endif /* P2P_I_H */ 739