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_role_indication; 16 17 enum 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 */ 26 struct 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_SD_INFO BIT(3) 85 #define P2P_DEV_SD_SCHEDULE BIT(4) 86 #define P2P_DEV_PD_PEER_DISPLAY BIT(5) 87 #define P2P_DEV_PD_PEER_KEYPAD BIT(6) 88 #define P2P_DEV_USER_REJECTED BIT(7) 89 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8) 90 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9) 91 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10) 92 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11) 93 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12) 94 #define P2P_DEV_FORCE_FREQ BIT(13) 95 #define P2P_DEV_PD_FOR_JOIN BIT(14) 96 #define P2P_DEV_REPORTED_ONCE BIT(15) 97 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16) 98 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17) 99 #define P2P_DEV_NO_PREF_CHAN BIT(18) 100 unsigned int flags; 101 102 int status; /* enum p2p_status_code */ 103 unsigned int wait_count; 104 unsigned int connect_reqs; 105 unsigned int invitation_reqs; 106 107 u16 ext_listen_period; 108 u16 ext_listen_interval; 109 110 u8 go_timeout; 111 u8 client_timeout; 112 }; 113 114 struct 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 }; 121 122 struct 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 */ 135 struct 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 /* GO Negotiation data */ 259 260 /** 261 * intended_addr - Local Intended P2P Interface Address 262 * 263 * This address is used during group owner negotiation as the Intended 264 * P2P Interface Address and the group interface will be created with 265 * address as the local address in case of successfully completed 266 * negotiation. 267 */ 268 u8 intended_addr[ETH_ALEN]; 269 270 /** 271 * go_intent - Local GO Intent to be used during GO Negotiation 272 */ 273 u8 go_intent; 274 275 /** 276 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation 277 */ 278 u8 next_tie_breaker; 279 280 /** 281 * ssid - Selected SSID for GO Negotiation (if local end will be GO) 282 */ 283 u8 ssid[32]; 284 285 /** 286 * ssid_len - ssid length in octets 287 */ 288 size_t ssid_len; 289 290 /** 291 * ssid_set - Whether SSID is already set for GO Negotiation 292 */ 293 int ssid_set; 294 295 /** 296 * Regulatory class for own operational channel 297 */ 298 u8 op_reg_class; 299 300 /** 301 * op_channel - Own operational channel 302 */ 303 u8 op_channel; 304 305 /** 306 * channels - Own supported regulatory classes and channels 307 * 308 * List of supposerted channels per regulatory class. The regulatory 309 * classes are defined in IEEE Std 802.11-2007 Annex J and the 310 * numbering of the clases depends on the configured country code. 311 */ 312 struct p2p_channels channels; 313 314 struct wpa_freq_range_list no_go_freq; 315 316 enum p2p_pending_action_state { 317 P2P_NO_PENDING_ACTION, 318 P2P_PENDING_GO_NEG_REQUEST, 319 P2P_PENDING_GO_NEG_RESPONSE, 320 P2P_PENDING_GO_NEG_RESPONSE_FAILURE, 321 P2P_PENDING_GO_NEG_CONFIRM, 322 P2P_PENDING_SD, 323 P2P_PENDING_PD, 324 P2P_PENDING_INVITATION_REQUEST, 325 P2P_PENDING_INVITATION_RESPONSE, 326 P2P_PENDING_DEV_DISC_REQUEST, 327 P2P_PENDING_DEV_DISC_RESPONSE, 328 P2P_PENDING_GO_DISC_REQ 329 } pending_action_state; 330 331 unsigned int pending_listen_freq; 332 unsigned int pending_listen_sec; 333 unsigned int pending_listen_usec; 334 335 u8 dev_capab; 336 337 int in_listen; 338 int drv_in_listen; 339 340 /** 341 * sd_queries - Pending service discovery queries 342 */ 343 struct p2p_sd_query *sd_queries; 344 345 /** 346 * srv_update_indic - Service Update Indicator for local services 347 */ 348 u16 srv_update_indic; 349 350 struct wpabuf *sd_resp; /* Fragmented SD response */ 351 u8 sd_resp_addr[ETH_ALEN]; 352 u8 sd_resp_dialog_token; 353 size_t sd_resp_pos; /* Offset in sd_resp */ 354 u8 sd_frag_id; 355 356 struct wpabuf *sd_rx_resp; /* Reassembled SD response */ 357 u16 sd_rx_update_indic; 358 359 /* P2P Invitation data */ 360 enum p2p_invite_role inv_role; 361 u8 inv_bssid[ETH_ALEN]; 362 int inv_bssid_set; 363 u8 inv_ssid[32]; 364 size_t inv_ssid_len; 365 u8 inv_sa[ETH_ALEN]; 366 u8 inv_group_bssid[ETH_ALEN]; 367 u8 *inv_group_bssid_ptr; 368 u8 inv_go_dev_addr[ETH_ALEN]; 369 u8 inv_status; 370 int inv_op_freq; 371 int inv_persistent; 372 373 enum p2p_discovery_type find_type; 374 unsigned int last_p2p_find_timeout; 375 u8 last_prog_scan_class; 376 u8 last_prog_scan_chan; 377 int p2p_scan_running; 378 enum p2p_after_scan { 379 P2P_AFTER_SCAN_NOTHING, 380 P2P_AFTER_SCAN_LISTEN, 381 P2P_AFTER_SCAN_CONNECT 382 } start_after_scan; 383 u8 after_scan_peer[ETH_ALEN]; 384 struct p2p_pending_action_tx *after_scan_tx; 385 unsigned int after_scan_tx_in_progress:1; 386 387 /* Requested device types for find/search */ 388 unsigned int num_req_dev_types; 389 u8 *req_dev_types; 390 u8 *find_dev_id; 391 u8 find_dev_id_buf[ETH_ALEN]; 392 393 struct os_reltime find_start; /* time of last p2p_find start */ 394 395 struct p2p_group **groups; 396 size_t num_groups; 397 398 struct p2p_device *pending_client_disc_go; 399 u8 pending_client_disc_addr[ETH_ALEN]; 400 u8 pending_dev_disc_dialog_token; 401 u8 pending_dev_disc_addr[ETH_ALEN]; 402 int pending_dev_disc_freq; 403 unsigned int pending_client_disc_freq; 404 405 int ext_listen_only; 406 unsigned int ext_listen_period; 407 unsigned int ext_listen_interval; 408 unsigned int ext_listen_interval_sec; 409 unsigned int ext_listen_interval_usec; 410 411 u8 peer_filter[ETH_ALEN]; 412 413 int cross_connect; 414 415 int best_freq_24; 416 int best_freq_5; 417 int best_freq_overall; 418 int own_freq_preference; 419 420 /** 421 * wps_vendor_ext - WPS Vendor Extensions to add 422 */ 423 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 424 425 /* 426 * user_initiated_pd - Whether a PD request is user initiated or not. 427 */ 428 u8 user_initiated_pd; 429 430 /* 431 * Keep track of which peer a given PD request was sent to. 432 * Used to raise a timeout alert in case there is no response. 433 */ 434 u8 pending_pd_devaddr[ETH_ALEN]; 435 436 /* 437 * Retry counter for provision discovery requests when issued 438 * in IDLE state. 439 */ 440 int pd_retries; 441 442 /** 443 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select 444 * 445 * This is is used during PD retries for join-a-group case to use the 446 * correct operating frequency determined from a BSS entry for the GO. 447 */ 448 int pd_force_freq; 449 450 u8 go_timeout; 451 u8 client_timeout; 452 453 /* Extra delay in milliseconds between search iterations */ 454 unsigned int search_delay; 455 int in_search_delay; 456 457 #ifdef CONFIG_WIFI_DISPLAY 458 struct wpabuf *wfd_ie_beacon; 459 struct wpabuf *wfd_ie_probe_req; 460 struct wpabuf *wfd_ie_probe_resp; 461 struct wpabuf *wfd_ie_assoc_req; 462 struct wpabuf *wfd_ie_invitation; 463 struct wpabuf *wfd_ie_prov_disc_req; 464 struct wpabuf *wfd_ie_prov_disc_resp; 465 struct wpabuf *wfd_ie_go_neg; 466 struct wpabuf *wfd_dev_info; 467 struct wpabuf *wfd_assoc_bssid; 468 struct wpabuf *wfd_coupled_sink_info; 469 #endif /* CONFIG_WIFI_DISPLAY */ 470 471 u16 authorized_oob_dev_pw_id; 472 }; 473 474 /** 475 * struct p2p_message - Parsed P2P message (or P2P IE) 476 */ 477 struct p2p_message { 478 struct wpabuf *p2p_attributes; 479 struct wpabuf *wps_attributes; 480 struct wpabuf *wfd_subelems; 481 482 u8 dialog_token; 483 484 const u8 *capability; 485 const u8 *go_intent; 486 const u8 *status; 487 const u8 *listen_channel; 488 const u8 *operating_channel; 489 const u8 *channel_list; 490 u8 channel_list_len; 491 const u8 *config_timeout; 492 const u8 *intended_addr; 493 const u8 *group_bssid; 494 const u8 *invitation_flags; 495 496 const u8 *group_info; 497 size_t group_info_len; 498 499 const u8 *group_id; 500 size_t group_id_len; 501 502 const u8 *device_id; 503 504 const u8 *manageability; 505 506 const u8 *noa; 507 size_t noa_len; 508 509 const u8 *ext_listen_timing; 510 511 const u8 *minor_reason_code; 512 513 const u8 *oob_go_neg_channel; 514 515 /* P2P Device Info */ 516 const u8 *p2p_device_info; 517 size_t p2p_device_info_len; 518 const u8 *p2p_device_addr; 519 const u8 *pri_dev_type; 520 u8 num_sec_dev_types; 521 char device_name[33]; 522 u16 config_methods; 523 524 /* WPS IE */ 525 u16 dev_password_id; 526 int dev_password_id_present; 527 u16 wps_config_methods; 528 const u8 *wps_pri_dev_type; 529 const u8 *wps_sec_dev_type_list; 530 size_t wps_sec_dev_type_list_len; 531 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 532 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT]; 533 const u8 *manufacturer; 534 size_t manufacturer_len; 535 const u8 *model_name; 536 size_t model_name_len; 537 const u8 *model_number; 538 size_t model_number_len; 539 const u8 *serial_number; 540 size_t serial_number_len; 541 const u8 *oob_dev_password; 542 size_t oob_dev_password_len; 543 544 /* DS Parameter Set IE */ 545 const u8 *ds_params; 546 547 /* SSID IE */ 548 const u8 *ssid; 549 }; 550 551 552 #define P2P_MAX_GROUP_ENTRIES 50 553 554 struct p2p_group_info { 555 unsigned int num_clients; 556 struct p2p_client_info { 557 const u8 *p2p_device_addr; 558 const u8 *p2p_interface_addr; 559 u8 dev_capab; 560 u16 config_methods; 561 const u8 *pri_dev_type; 562 u8 num_sec_dev_types; 563 const u8 *sec_dev_types; 564 const char *dev_name; 565 size_t dev_name_len; 566 } client[P2P_MAX_GROUP_ENTRIES]; 567 }; 568 569 570 /* p2p_utils.c */ 571 int p2p_random(char *buf, size_t len); 572 int p2p_channel_to_freq(int op_class, int channel); 573 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel); 574 void p2p_channels_intersect(const struct p2p_channels *a, 575 const struct p2p_channels *b, 576 struct p2p_channels *res); 577 void p2p_channels_union(const struct p2p_channels *a, 578 const struct p2p_channels *b, 579 struct p2p_channels *res); 580 void p2p_channels_remove_freqs(struct p2p_channels *chan, 581 const struct wpa_freq_range_list *list); 582 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, 583 u8 channel); 584 void p2p_channels_dump(struct p2p_data *p2p, const char *title, 585 const struct p2p_channels *chan); 586 int p2p_channel_select(struct p2p_channels *chans, const int *classes, 587 u8 *op_class, u8 *op_channel); 588 589 /* p2p_parse.c */ 590 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg); 591 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg); 592 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg); 593 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p, 594 size_t p2p_len, struct p2p_message *msg); 595 void p2p_parse_free(struct p2p_message *msg); 596 int p2p_attr_text(struct wpabuf *data, char *buf, char *end); 597 int p2p_group_info_parse(const u8 *gi, size_t gi_len, 598 struct p2p_group_info *info); 599 600 /* p2p_build.c */ 601 602 struct p2p_noa_desc { 603 u8 count_type; 604 u32 duration; 605 u32 interval; 606 u32 start_time; 607 }; 608 609 /* p2p_group.c */ 610 const u8 * p2p_group_get_interface_addr(struct p2p_group *group); 611 u8 p2p_group_presence_req(struct p2p_group *group, 612 const u8 *client_interface_addr, 613 const u8 *noa, size_t noa_len); 614 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id, 615 size_t group_id_len); 616 void p2p_group_update_ies(struct p2p_group *group); 617 void p2p_group_force_beacon_update_ies(struct p2p_group *group); 618 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g); 619 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf, 620 int max_clients); 621 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf); 622 int p2p_group_get_freq(struct p2p_group *group); 623 624 625 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token); 626 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 627 u8 dialog_token); 628 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf); 629 void p2p_buf_add_status(struct wpabuf *buf, u8 status); 630 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 631 struct p2p_device *peer); 632 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr); 633 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len); 634 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab); 635 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent); 636 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 637 u8 reg_class, u8 channel); 638 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 639 u8 reg_class, u8 channel); 640 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 641 struct p2p_channels *chan); 642 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 643 u8 client_timeout); 644 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr); 645 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid); 646 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 647 const u8 *ssid, size_t ssid_len); 648 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags); 649 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 650 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2); 651 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 652 u16 interval); 653 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p); 654 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 655 u8 oper_class, u8 channel, 656 enum p2p_role_indication role); 657 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 658 int all_attr); 659 660 /* p2p_sd.c */ 661 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p, 662 struct p2p_device *dev); 663 void p2p_free_sd_queries(struct p2p_data *p2p); 664 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa, 665 const u8 *data, size_t len, int rx_freq); 666 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa, 667 const u8 *data, size_t len, int rx_freq); 668 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa, 669 const u8 *data, size_t len, int rx_freq); 670 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa, 671 const u8 *data, size_t len, int rx_freq); 672 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev); 673 674 /* p2p_go_neg.c */ 675 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own, 676 struct p2p_device *dev, 677 const u8 *channel_list, size_t channel_list_len); 678 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa, 679 const u8 *data, size_t len, int rx_freq); 680 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa, 681 const u8 *data, size_t len, int rx_freq); 682 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa, 683 const u8 *data, size_t len); 684 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev); 685 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method); 686 void p2p_reselect_channel(struct p2p_data *p2p, 687 struct p2p_channels *intersection); 688 689 /* p2p_pd.c */ 690 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, 691 const u8 *data, size_t len, int rx_freq); 692 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa, 693 const u8 *data, size_t len); 694 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev, 695 int join, int force_freq); 696 void p2p_reset_pending_pd(struct p2p_data *p2p); 697 698 /* p2p_invitation.c */ 699 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa, 700 const u8 *data, size_t len, int rx_freq); 701 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa, 702 const u8 *data, size_t len); 703 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev, 704 const u8 *go_dev_addr, int dev_pw_id); 705 void p2p_invitation_req_cb(struct p2p_data *p2p, int success); 706 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success); 707 708 /* p2p_dev_disc.c */ 709 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa, 710 const u8 *data, size_t len, int rx_freq); 711 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success); 712 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev); 713 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success); 714 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa, 715 const u8 *data, size_t len); 716 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success); 717 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa, 718 const u8 *data, size_t len, int rx_freq); 719 720 /* p2p.c */ 721 void p2p_set_state(struct p2p_data *p2p, int new_state); 722 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, 723 unsigned int usec); 724 void p2p_clear_timeout(struct p2p_data *p2p); 725 void p2p_continue_find(struct p2p_data *p2p); 726 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p, 727 const u8 *addr, 728 struct p2p_message *msg); 729 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr, 730 struct p2p_device *dev, struct p2p_message *msg); 731 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, 732 struct os_reltime *rx_time, int level, const u8 *ies, 733 size_t ies_len, int scan_res); 734 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr); 735 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, 736 const u8 *addr); 737 void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer, 738 int status); 739 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer); 740 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps); 741 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[], 742 size_t num_req_dev_type); 743 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p); 744 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len); 745 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 746 const u8 *src, const u8 *bssid, const u8 *buf, 747 size_t len, unsigned int wait_time); 748 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq); 749 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, 750 unsigned int force_freq, unsigned int pref_freq, 751 int go); 752 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...) 753 PRINTF_FORMAT(2, 3); 754 void p2p_info(struct p2p_data *p2p, const char *fmt, ...) 755 PRINTF_FORMAT(2, 3); 756 void p2p_err(struct p2p_data *p2p, const char *fmt, ...) 757 PRINTF_FORMAT(2, 3); 758 759 #endif /* P2P_I_H */ 760