p2p_i.h revision d11f019d62a42a8fc4c4d1f2ec17cf35b0763153
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 15enum p2p_role_indication; 16 17enum p2p_go_state { 18 UNKNOWN_GO, 19 LOCAL_GO, 20 REMOTE_GO 21}; 22 23/** 24 * struct p2p_device - P2P Device data (internal to P2P module) 25 */ 26struct p2p_device { 27 struct dl_list list; 28 struct os_reltime last_seen; 29 int listen_freq; 30 int oob_go_neg_freq; 31 enum p2p_wps_method wps_method; 32 u16 oob_pw_id; 33 34 struct p2p_peer_info info; 35 36 /* 37 * If the peer was discovered based on an interface address (e.g., GO 38 * from Beacon/Probe Response), the interface address is stored here. 39 * p2p_device_addr must still be set in such a case to the unique 40 * identifier for the P2P Device. 41 */ 42 u8 interface_addr[ETH_ALEN]; 43 44 /* 45 * P2P Device Address of the GO in whose group this P2P Device is a 46 * client. 47 */ 48 u8 member_in_go_dev[ETH_ALEN]; 49 50 /* 51 * P2P Interface Address of the GO in whose group this P2P Device is a 52 * client. 53 */ 54 u8 member_in_go_iface[ETH_ALEN]; 55 56 int go_neg_req_sent; 57 enum p2p_go_state go_state; 58 u8 dialog_token; 59 u8 tie_breaker; 60 u8 intended_addr[ETH_ALEN]; 61 62 char country[3]; 63 struct p2p_channels channels; 64 int oper_freq; 65 u8 oper_ssid[32]; 66 size_t oper_ssid_len; 67 68 /** 69 * req_config_methods - Pending provision discovery methods 70 */ 71 u16 req_config_methods; 72 73 /** 74 * wps_prov_info - Stored provisioning WPS config method 75 * 76 * This is used to store pending WPS config method between Provisioning 77 * Discovery and connection to a running group. 78 */ 79 u16 wps_prov_info; 80 81#define P2P_DEV_PROBE_REQ_ONLY BIT(0) 82#define P2P_DEV_REPORTED BIT(1) 83#define P2P_DEV_NOT_YET_READY BIT(2) 84#define P2P_DEV_PD_PEER_DISPLAY BIT(5) 85#define P2P_DEV_PD_PEER_KEYPAD BIT(6) 86#define P2P_DEV_USER_REJECTED BIT(7) 87#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 88#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 89#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 90#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 91#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 92#define P2P_DEV_FORCE_FREQ BIT(13) 93#define P2P_DEV_PD_FOR_JOIN BIT(14) 94#define P2P_DEV_REPORTED_ONCE BIT(15) 95#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 96#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 97#define P2P_DEV_NO_PREF_CHAN BIT(18) 98#define P2P_DEV_WAIT_INV_REQ_ACK BIT(19) 99 unsigned int flags; 100 101 int status; /* enum p2p_status_code */ 102 unsigned int wait_count; 103 unsigned int connect_reqs; 104 unsigned int invitation_reqs; 105 106 u16 ext_listen_period; 107 u16 ext_listen_interval; 108 109 u8 go_timeout; 110 u8 client_timeout; 111 int sd_pending_bcast_queries; 112}; 113 114struct p2p_sd_query { 115 struct p2p_sd_query *next; 116 u8 peer[ETH_ALEN]; 117 int for_all_peers; 118 int wsd; /* Wi-Fi Display Service Discovery Request */ 119 struct wpabuf *tlvs; 120}; 121 122struct p2p_pending_action_tx { 123 unsigned int freq; 124 u8 dst[ETH_ALEN]; 125 u8 src[ETH_ALEN]; 126 u8 bssid[ETH_ALEN]; 127 size_t len; 128 unsigned int wait_time; 129 /* Followed by len octets of the frame */ 130}; 131 132/** 133 * struct p2p_data - P2P module data (internal to P2P module) 134 */ 135struct p2p_data { 136 /** 137 * cfg - P2P module configuration 138 * 139 * This is included in the same memory allocation with the 140 * struct p2p_data and as such, must not be freed separately. 141 */ 142 struct p2p_config *cfg; 143 144 /** 145 * state - The current P2P state 146 */ 147 enum p2p_state { 148 /** 149 * P2P_IDLE - Idle 150 */ 151 P2P_IDLE, 152 153 /** 154 * P2P_SEARCH - Search (Device Discovery) 155 */ 156 P2P_SEARCH, 157 158 /** 159 * P2P_CONNECT - Trying to start GO Negotiation 160 */ 161 P2P_CONNECT, 162 163 /** 164 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start 165 */ 166 P2P_CONNECT_LISTEN, 167 168 /** 169 * P2P_GO_NEG - In GO Negotiation 170 */ 171 P2P_GO_NEG, 172 173 /** 174 * P2P_LISTEN_ONLY - Listen only 175 */ 176 P2P_LISTEN_ONLY, 177 178 /** 179 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg 180 */ 181 P2P_WAIT_PEER_CONNECT, 182 183 /** 184 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg 185 */ 186 P2P_WAIT_PEER_IDLE, 187 188 /** 189 * P2P_SD_DURING_FIND - Service Discovery during find 190 */ 191 P2P_SD_DURING_FIND, 192 193 /** 194 * P2P_PROVISIONING - Provisioning (during group formation) 195 */ 196 P2P_PROVISIONING, 197 198 /** 199 * P2P_PD_DURING_FIND - Provision Discovery during find 200 */ 201 P2P_PD_DURING_FIND, 202 203 /** 204 * P2P_INVITE - Trying to start Invite 205 */ 206 P2P_INVITE, 207 208 /** 209 * P2P_INVITE_LISTEN - Listen during Invite 210 */ 211 P2P_INVITE_LISTEN, 212 } state; 213 214 /** 215 * min_disc_int - minDiscoverableInterval 216 */ 217 int min_disc_int; 218 219 /** 220 * max_disc_int - maxDiscoverableInterval 221 */ 222 int max_disc_int; 223 224 /** 225 * max_disc_tu - Maximum number of TUs for discoverable interval 226 */ 227 int max_disc_tu; 228 229 /** 230 * devices - List of known P2P Device peers 231 */ 232 struct dl_list devices; 233 234 /** 235 * go_neg_peer - Pointer to GO Negotiation peer 236 */ 237 struct p2p_device *go_neg_peer; 238 239 /** 240 * invite_peer - Pointer to Invite peer 241 */ 242 struct p2p_device *invite_peer; 243 244 const u8 *invite_go_dev_addr; 245 u8 invite_go_dev_addr_buf[ETH_ALEN]; 246 int invite_dev_pw_id; 247 248 /** 249 * sd_peer - Pointer to Service Discovery peer 250 */ 251 struct p2p_device *sd_peer; 252 253 /** 254 * sd_query - Pointer to Service Discovery query 255 */ 256 struct p2p_sd_query *sd_query; 257 258 /** 259 * num_p2p_sd_queries - Total number of broadcast SD queries present in 260 * the list 261 */ 262 int num_p2p_sd_queries; 263 264 /* GO Negotiation data */ 265 266 /** 267 * intended_addr - Local Intended P2P Interface Address 268 * 269 * This address is used during group owner negotiation as the Intended 270 * P2P Interface Address and the group interface will be created with 271 * address as the local address in case of successfully completed 272 * negotiation. 273 */ 274 u8 intended_addr[ETH_ALEN]; 275 276 /** 277 * go_intent - Local GO Intent to be used during GO Negotiation 278 */ 279 u8 go_intent; 280 281 /** 282 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 283 */ 284 u8 next_tie_breaker; 285 286 /** 287 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 288 */ 289 u8 ssid[32]; 290 291 /** 292 * ssid_len - ssid length in octets 293 */ 294 size_t ssid_len; 295 296 /** 297 * ssid_set - Whether SSID is already set for GO Negotiation 298 */ 299 int ssid_set; 300 301 /** 302 * Regulatory class for own operational channel 303 */ 304 u8 op_reg_class; 305 306 /** 307 * op_channel - Own operational channel 308 */ 309 u8 op_channel; 310 311 /** 312 * channels - Own supported regulatory classes and channels 313 * 314 * List of supposerted channels per regulatory class. The regulatory 315 * classes are defined in IEEE Std 802.11-2007 Annex J and the 316 * numbering of the clases depends on the configured country code. 317 */ 318 struct p2p_channels channels; 319 320 struct wpa_freq_range_list no_go_freq; 321 322 enum p2p_pending_action_state { 323 P2P_NO_PENDING_ACTION, 324 P2P_PENDING_GO_NEG_REQUEST, 325 P2P_PENDING_GO_NEG_RESPONSE, 326 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 327 P2P_PENDING_GO_NEG_CONFIRM, 328 P2P_PENDING_SD, 329 P2P_PENDING_PD, 330 P2P_PENDING_INVITATION_REQUEST, 331 P2P_PENDING_INVITATION_RESPONSE, 332 P2P_PENDING_DEV_DISC_REQUEST, 333 P2P_PENDING_DEV_DISC_RESPONSE, 334 P2P_PENDING_GO_DISC_REQ 335 } pending_action_state; 336 337 unsigned int pending_listen_freq; 338 unsigned int pending_listen_sec; 339 unsigned int pending_listen_usec; 340 341 u8 dev_capab; 342 343 int in_listen; 344 int drv_in_listen; 345 346 /** 347 * sd_queries - Pending service discovery queries 348 */ 349 struct p2p_sd_query *sd_queries; 350 351 /** 352 * srv_update_indic - Service Update Indicator for local services 353 */ 354 u16 srv_update_indic; 355 356 struct wpabuf *sd_resp; /* Fragmented SD response */ 357 u8 sd_resp_addr[ETH_ALEN]; 358 u8 sd_resp_dialog_token; 359 size_t sd_resp_pos; /* Offset in sd_resp */ 360 u8 sd_frag_id; 361 362 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 363 u16 sd_rx_update_indic; 364 365 /* P2P Invitation data */ 366 enum p2p_invite_role inv_role; 367 u8 inv_bssid[ETH_ALEN]; 368 int inv_bssid_set; 369 u8 inv_ssid[32]; 370 size_t inv_ssid_len; 371 u8 inv_sa[ETH_ALEN]; 372 u8 inv_group_bssid[ETH_ALEN]; 373 u8 *inv_group_bssid_ptr; 374 u8 inv_go_dev_addr[ETH_ALEN]; 375 u8 inv_status; 376 int inv_op_freq; 377 int inv_persistent; 378 379 enum p2p_discovery_type find_type; 380 unsigned int last_p2p_find_timeout; 381 u8 last_prog_scan_class; 382 u8 last_prog_scan_chan; 383 int p2p_scan_running; 384 enum p2p_after_scan { 385 P2P_AFTER_SCAN_NOTHING, 386 P2P_AFTER_SCAN_LISTEN, 387 P2P_AFTER_SCAN_CONNECT 388 } start_after_scan; 389 u8 after_scan_peer[ETH_ALEN]; 390 struct p2p_pending_action_tx *after_scan_tx; 391 unsigned int after_scan_tx_in_progress:1; 392 unsigned int send_action_in_progress:1; 393 394 /* Requested device types for find/search */ 395 unsigned int num_req_dev_types; 396 u8 *req_dev_types; 397 u8 *find_dev_id; 398 u8 find_dev_id_buf[ETH_ALEN]; 399 400 struct os_reltime find_start; /* time of last p2p_find start */ 401 402 struct p2p_group **groups; 403 size_t num_groups; 404 405 struct p2p_device *pending_client_disc_go; 406 u8 pending_client_disc_addr[ETH_ALEN]; 407 u8 pending_dev_disc_dialog_token; 408 u8 pending_dev_disc_addr[ETH_ALEN]; 409 int pending_dev_disc_freq; 410 unsigned int pending_client_disc_freq; 411 412 int ext_listen_only; 413 unsigned int ext_listen_period; 414 unsigned int ext_listen_interval; 415 unsigned int ext_listen_interval_sec; 416 unsigned int ext_listen_interval_usec; 417 418 u8 peer_filter[ETH_ALEN]; 419 420 int cross_connect; 421 422 int best_freq_24; 423 int best_freq_5; 424 int best_freq_overall; 425 int own_freq_preference; 426 427 /** 428 * wps_vendor_ext - WPS Vendor Extensions to add 429 */ 430 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 431 432 /* 433 * user_initiated_pd - Whether a PD request is user initiated or not. 434 */ 435 u8 user_initiated_pd; 436 437 /* 438 * Keep track of which peer a given PD request was sent to. 439 * Used to raise a timeout alert in case there is no response. 440 */ 441 u8 pending_pd_devaddr[ETH_ALEN]; 442 443 /* 444 * Retry counter for provision discovery requests when issued 445 * in IDLE state. 446 */ 447 int pd_retries; 448 449 /** 450 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 451 * 452 * This is is used during PD retries for join-a-group case to use the 453 * correct operating frequency determined from a BSS entry for the GO. 454 */ 455 int pd_force_freq; 456 457 u8 go_timeout; 458 u8 client_timeout; 459 460 /* Extra delay in milliseconds between search iterations */ 461 unsigned int search_delay; 462 int in_search_delay; 463 464#ifdef CONFIG_WIFI_DISPLAY 465 struct wpabuf *wfd_ie_beacon; 466 struct wpabuf *wfd_ie_probe_req; 467 struct wpabuf *wfd_ie_probe_resp; 468 struct wpabuf *wfd_ie_assoc_req; 469 struct wpabuf *wfd_ie_invitation; 470 struct wpabuf *wfd_ie_prov_disc_req; 471 struct wpabuf *wfd_ie_prov_disc_resp; 472 struct wpabuf *wfd_ie_go_neg; 473 struct wpabuf *wfd_dev_info; 474 struct wpabuf *wfd_assoc_bssid; 475 struct wpabuf *wfd_coupled_sink_info; 476#endif /* CONFIG_WIFI_DISPLAY */ 477 478 u16 authorized_oob_dev_pw_id; 479}; 480 481/** 482 * struct p2p_message - Parsed P2P message (or P2P IE) 483 */ 484struct p2p_message { 485 struct wpabuf *p2p_attributes; 486 struct wpabuf *wps_attributes; 487 struct wpabuf *wfd_subelems; 488 489 u8 dialog_token; 490 491 const u8 *capability; 492 const u8 *go_intent; 493 const u8 *status; 494 const u8 *listen_channel; 495 const u8 *operating_channel; 496 const u8 *channel_list; 497 u8 channel_list_len; 498 const u8 *config_timeout; 499 const u8 *intended_addr; 500 const u8 *group_bssid; 501 const u8 *invitation_flags; 502 503 const u8 *group_info; 504 size_t group_info_len; 505 506 const u8 *group_id; 507 size_t group_id_len; 508 509 const u8 *device_id; 510 511 const u8 *manageability; 512 513 const u8 *noa; 514 size_t noa_len; 515 516 const u8 *ext_listen_timing; 517 518 const u8 *minor_reason_code; 519 520 const u8 *oob_go_neg_channel; 521 522 /* P2P Device Info */ 523 const u8 *p2p_device_info; 524 size_t p2p_device_info_len; 525 const u8 *p2p_device_addr; 526 const u8 *pri_dev_type; 527 u8 num_sec_dev_types; 528 char device_name[33]; 529 u16 config_methods; 530 531 /* WPS IE */ 532 u16 dev_password_id; 533 int dev_password_id_present; 534 u16 wps_config_methods; 535 const u8 *wps_pri_dev_type; 536 const u8 *wps_sec_dev_type_list; 537 size_t wps_sec_dev_type_list_len; 538 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 539 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 540 const u8 *manufacturer; 541 size_t manufacturer_len; 542 const u8 *model_name; 543 size_t model_name_len; 544 const u8 *model_number; 545 size_t model_number_len; 546 const u8 *serial_number; 547 size_t serial_number_len; 548 const u8 *oob_dev_password; 549 size_t oob_dev_password_len; 550 551 /* DS Parameter Set IE */ 552 const u8 *ds_params; 553 554 /* SSID IE */ 555 const u8 *ssid; 556}; 557 558 559#define P2P_MAX_GROUP_ENTRIES 50 560 561struct p2p_group_info { 562 unsigned int num_clients; 563 struct p2p_client_info { 564 const u8 *p2p_device_addr; 565 const u8 *p2p_interface_addr; 566 u8 dev_capab; 567 u16 config_methods; 568 const u8 *pri_dev_type; 569 u8 num_sec_dev_types; 570 const u8 *sec_dev_types; 571 const char *dev_name; 572 size_t dev_name_len; 573 } client[P2P_MAX_GROUP_ENTRIES]; 574}; 575 576 577/* p2p_utils.c */ 578int p2p_random(char *buf, size_t len); 579int p2p_channel_to_freq(int op_class, int channel); 580int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 581void p2p_channels_intersect(const struct p2p_channels *a, 582 const struct p2p_channels *b, 583 struct p2p_channels *res); 584void p2p_channels_union(const struct p2p_channels *a, 585 const struct p2p_channels *b, 586 struct p2p_channels *res); 587void p2p_channels_remove_freqs(struct p2p_channels *chan, 588 const struct wpa_freq_range_list *list); 589int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 590 u8 channel); 591void p2p_channels_dump(struct p2p_data *p2p, const char *title, 592 const struct p2p_channels *chan); 593int p2p_channel_select(struct p2p_channels *chans, const int *classes, 594 u8 *op_class, u8 *op_channel); 595int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class, 596 u8 *op_channel); 597 598/* p2p_parse.c */ 599int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 600int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 601int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 602int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p, 603 size_t p2p_len, struct p2p_message *msg); 604void p2p_parse_free(struct p2p_message *msg); 605int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 606int p2p_group_info_parse(const u8 *gi, size_t gi_len, 607 struct p2p_group_info *info); 608 609/* p2p_build.c */ 610 611struct p2p_noa_desc { 612 u8 count_type; 613 u32 duration; 614 u32 interval; 615 u32 start_time; 616}; 617 618/* p2p_group.c */ 619const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 620u8 p2p_group_presence_req(struct p2p_group *group, 621 const u8 *client_interface_addr, 622 const u8 *noa, size_t noa_len); 623int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 624 size_t group_id_len); 625void p2p_group_update_ies(struct p2p_group *group); 626void p2p_group_force_beacon_update_ies(struct p2p_group *group); 627struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 628void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf, 629 int max_clients); 630void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf); 631int p2p_group_get_freq(struct p2p_group *group); 632 633 634void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 635void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 636 u8 dialog_token); 637u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 638void p2p_buf_add_status(struct wpabuf *buf, u8 status); 639void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 640 struct p2p_device *peer); 641void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 642void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 643void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 644void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 645void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 646 u8 reg_class, u8 channel); 647void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 648 u8 reg_class, u8 channel); 649void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 650 struct p2p_channels *chan); 651void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 652 u8 client_timeout); 653void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 654void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 655void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 656 const u8 *ssid, size_t ssid_len); 657void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 658void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 659 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 660void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 661 u16 interval); 662void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 663void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 664 u8 oper_class, u8 channel, 665 enum p2p_role_indication role); 666int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 667 int all_attr); 668 669/* p2p_sd.c */ 670struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 671 struct p2p_device *dev); 672void p2p_free_sd_queries(struct p2p_data *p2p); 673void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 674 const u8 *data, size_t len, int rx_freq); 675void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 676 const u8 *data, size_t len, int rx_freq); 677void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 678 const u8 *data, size_t len, int rx_freq); 679void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 680 const u8 *data, size_t len, int rx_freq); 681int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 682 683/* p2p_go_neg.c */ 684int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 685 struct p2p_device *dev, 686 const u8 *channel_list, size_t channel_list_len); 687void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 688 const u8 *data, size_t len, int rx_freq); 689void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 690 const u8 *data, size_t len, int rx_freq); 691void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 692 const u8 *data, size_t len); 693int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 694u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 695void p2p_reselect_channel(struct p2p_data *p2p, 696 struct p2p_channels *intersection); 697 698/* p2p_pd.c */ 699void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 700 const u8 *data, size_t len, int rx_freq); 701void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 702 const u8 *data, size_t len); 703int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 704 int join, int force_freq); 705void p2p_reset_pending_pd(struct p2p_data *p2p); 706 707/* p2p_invitation.c */ 708void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 709 const u8 *data, size_t len, int rx_freq); 710void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 711 const u8 *data, size_t len); 712int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 713 const u8 *go_dev_addr, int dev_pw_id); 714void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 715void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 716 717/* p2p_dev_disc.c */ 718void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 719 const u8 *data, size_t len, int rx_freq); 720void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 721int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 722void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 723void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 724 const u8 *data, size_t len); 725void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 726void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 727 const u8 *data, size_t len, int rx_freq); 728 729/* p2p.c */ 730void p2p_set_state(struct p2p_data *p2p, int new_state); 731void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 732 unsigned int usec); 733void p2p_clear_timeout(struct p2p_data *p2p); 734void p2p_continue_find(struct p2p_data *p2p); 735struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 736 const u8 *addr, 737 struct p2p_message *msg); 738void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 739 struct p2p_device *dev, struct p2p_message *msg); 740int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 741 struct os_reltime *rx_time, int level, const u8 *ies, 742 size_t ies_len, int scan_res); 743struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 744struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 745 const u8 *addr); 746void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 747 int status); 748void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 749int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 750int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 751 size_t num_req_dev_type); 752struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 753void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 754int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 755 const u8 *src, const u8 *bssid, const u8 *buf, 756 size_t len, unsigned int wait_time); 757void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 758int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 759 unsigned int force_freq, unsigned int pref_freq, 760 int go); 761void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 762PRINTF_FORMAT(2, 3); 763void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 764PRINTF_FORMAT(2, 3); 765void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 766PRINTF_FORMAT(2, 3); 767 768#endif /* P2P_I_H */ 769