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