1 /* 2 * Wi-Fi Direct - 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_H 10 #define P2P_H 11 12 #include "common/ieee802_11_defs.h" 13 #include "wps/wps.h" 14 15 struct weighted_pcl; 16 17 /* P2P ASP Setup Capability */ 18 #define P2PS_SETUP_NONE 0 19 #define P2PS_SETUP_NEW BIT(0) 20 #define P2PS_SETUP_CLIENT BIT(1) 21 #define P2PS_SETUP_GROUP_OWNER BIT(2) 22 23 #define P2PS_WILD_HASH_STR "org.wi-fi.wfds" 24 #define P2PS_HASH_LEN 6 25 #define P2P_MAX_QUERY_HASH 6 26 #define P2PS_FEATURE_CAPAB_CPT_MAX 2 27 28 /** 29 * P2P_MAX_PREF_CHANNELS - Maximum number of preferred channels 30 */ 31 #define P2P_MAX_PREF_CHANNELS 100 32 33 /** 34 * P2P_MAX_REG_CLASSES - Maximum number of regulatory classes 35 */ 36 #define P2P_MAX_REG_CLASSES 15 37 38 /** 39 * P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class 40 */ 41 #define P2P_MAX_REG_CLASS_CHANNELS 60 42 43 /** 44 * struct p2p_channels - List of supported channels 45 */ 46 struct p2p_channels { 47 /** 48 * struct p2p_reg_class - Supported regulatory class 49 */ 50 struct p2p_reg_class { 51 /** 52 * reg_class - Regulatory class (IEEE 802.11-2007, Annex J) 53 */ 54 u8 reg_class; 55 56 /** 57 * channel - Supported channels 58 */ 59 u8 channel[P2P_MAX_REG_CLASS_CHANNELS]; 60 61 /** 62 * channels - Number of channel entries in use 63 */ 64 size_t channels; 65 } reg_class[P2P_MAX_REG_CLASSES]; 66 67 /** 68 * reg_classes - Number of reg_class entries in use 69 */ 70 size_t reg_classes; 71 }; 72 73 enum p2p_wps_method { 74 WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC, 75 WPS_P2PS 76 }; 77 78 /** 79 * struct p2p_go_neg_results - P2P Group Owner Negotiation results 80 */ 81 struct p2p_go_neg_results { 82 /** 83 * status - Negotiation result (Status Code) 84 * 85 * 0 (P2P_SC_SUCCESS) indicates success. Non-zero values indicate 86 * failed negotiation. 87 */ 88 int status; 89 90 /** 91 * role_go - Whether local end is Group Owner 92 */ 93 int role_go; 94 95 /** 96 * freq - Frequency of the group operational channel in MHz 97 */ 98 int freq; 99 100 int ht40; 101 102 int vht; 103 104 int edmg; 105 106 u8 max_oper_chwidth; 107 108 unsigned int vht_center_freq2; 109 110 /** 111 * he - Indicates if IEEE 802.11ax HE is enabled 112 */ 113 int he; 114 115 /** 116 * ssid - SSID of the group 117 */ 118 u8 ssid[SSID_MAX_LEN]; 119 120 /** 121 * ssid_len - Length of SSID in octets 122 */ 123 size_t ssid_len; 124 125 /** 126 * psk - WPA pre-shared key (256 bits) (GO only) 127 */ 128 u8 psk[32]; 129 130 /** 131 * psk_set - Whether PSK field is configured (GO only) 132 */ 133 int psk_set; 134 135 /** 136 * passphrase - WPA2-Personal passphrase for the group (GO only) 137 */ 138 char passphrase[64]; 139 140 /** 141 * peer_device_addr - P2P Device Address of the peer 142 */ 143 u8 peer_device_addr[ETH_ALEN]; 144 145 /** 146 * peer_interface_addr - P2P Interface Address of the peer 147 */ 148 u8 peer_interface_addr[ETH_ALEN]; 149 150 /** 151 * wps_method - WPS method to be used during provisioning 152 */ 153 enum p2p_wps_method wps_method; 154 155 #define P2P_MAX_CHANNELS 50 156 157 /** 158 * freq_list - Zero-terminated list of possible operational channels 159 */ 160 int freq_list[P2P_MAX_CHANNELS]; 161 162 /** 163 * persistent_group - Whether the group should be made persistent 164 * 0 = not persistent 165 * 1 = persistent group without persistent reconnect 166 * 2 = persistent group with persistent reconnect 167 */ 168 int persistent_group; 169 170 /** 171 * peer_config_timeout - Peer configuration timeout (in 10 msec units) 172 */ 173 unsigned int peer_config_timeout; 174 }; 175 176 struct p2ps_provision { 177 /** 178 * pd_seeker - P2PS provision discovery seeker role 179 */ 180 unsigned int pd_seeker:1; 181 182 /** 183 * status - Remote returned provisioning status code 184 */ 185 int status; 186 187 /** 188 * adv_id - P2PS Advertisement ID 189 */ 190 u32 adv_id; 191 192 /** 193 * session_id - P2PS Session ID 194 */ 195 u32 session_id; 196 197 /** 198 * method - WPS Method (to be) used to establish session 199 */ 200 u16 method; 201 202 /** 203 * conncap - Connection Capabilities negotiated between P2P peers 204 */ 205 u8 conncap; 206 207 /** 208 * role - Info about the roles to be used for this connection 209 */ 210 u8 role; 211 212 /** 213 * session_mac - MAC address of the peer that started the session 214 */ 215 u8 session_mac[ETH_ALEN]; 216 217 /** 218 * adv_mac - MAC address of the peer advertised the service 219 */ 220 u8 adv_mac[ETH_ALEN]; 221 222 /** 223 * cpt_mask - Supported Coordination Protocol Transport mask 224 * 225 * A bitwise mask of supported ASP Coordination Protocol Transports. 226 * This property is set together and corresponds with cpt_priority. 227 */ 228 u8 cpt_mask; 229 230 /** 231 * cpt_priority - Coordination Protocol Transport priority list 232 * 233 * Priorities of supported ASP Coordination Protocol Transports. 234 * This property is set together and corresponds with cpt_mask. 235 * The CPT priority list is 0 terminated. 236 */ 237 u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1]; 238 239 /** 240 * force_freq - The only allowed channel frequency in MHz or 0. 241 */ 242 unsigned int force_freq; 243 244 /** 245 * pref_freq - Preferred operating frequency in MHz or 0. 246 */ 247 unsigned int pref_freq; 248 249 /** 250 * info - Vendor defined extra Provisioning information 251 */ 252 char info[0]; 253 }; 254 255 struct p2ps_advertisement { 256 struct p2ps_advertisement *next; 257 258 /** 259 * svc_info - Pointer to (internal) Service defined information 260 */ 261 char *svc_info; 262 263 /** 264 * id - P2PS Advertisement ID 265 */ 266 u32 id; 267 268 /** 269 * config_methods - WPS Methods which are allowed for this service 270 */ 271 u16 config_methods; 272 273 /** 274 * state - Current state of the service: 0 - Out Of Service, 1-255 Vendor defined 275 */ 276 u8 state; 277 278 /** 279 * auto_accept - Automatically Accept provisioning request if possible. 280 */ 281 u8 auto_accept; 282 283 /** 284 * hash - 6 octet Service Name has to match against incoming Probe Requests 285 */ 286 u8 hash[P2PS_HASH_LEN]; 287 288 /** 289 * cpt_mask - supported Coordination Protocol Transport mask 290 * 291 * A bitwise mask of supported ASP Coordination Protocol Transports. 292 * This property is set together and corresponds with cpt_priority. 293 */ 294 u8 cpt_mask; 295 296 /** 297 * cpt_priority - Coordination Protocol Transport priority list 298 * 299 * Priorities of supported ASP Coordinatin Protocol Transports. 300 * This property is set together and corresponds with cpt_mask. 301 * The CPT priority list is 0 terminated. 302 */ 303 u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1]; 304 305 /** 306 * svc_name - NULL Terminated UTF-8 Service Name, and svc_info storage 307 */ 308 char svc_name[0]; 309 }; 310 311 312 struct p2p_data; 313 314 enum p2p_scan_type { 315 P2P_SCAN_SOCIAL, 316 P2P_SCAN_FULL, 317 P2P_SCAN_SPECIFIC, 318 P2P_SCAN_SOCIAL_PLUS_ONE 319 }; 320 321 #define P2P_MAX_WPS_VENDOR_EXT 10 322 323 /** 324 * struct p2p_peer_info - P2P peer information 325 */ 326 struct p2p_peer_info { 327 /** 328 * p2p_device_addr - P2P Device Address of the peer 329 */ 330 u8 p2p_device_addr[ETH_ALEN]; 331 332 /** 333 * pri_dev_type - Primary Device Type 334 */ 335 u8 pri_dev_type[8]; 336 337 /** 338 * device_name - Device Name (0..32 octets encoded in UTF-8) 339 */ 340 char device_name[WPS_DEV_NAME_MAX_LEN + 1]; 341 342 /** 343 * manufacturer - Manufacturer (0..64 octets encoded in UTF-8) 344 */ 345 char manufacturer[WPS_MANUFACTURER_MAX_LEN + 1]; 346 347 /** 348 * model_name - Model Name (0..32 octets encoded in UTF-8) 349 */ 350 char model_name[WPS_MODEL_NAME_MAX_LEN + 1]; 351 352 /** 353 * model_number - Model Number (0..32 octets encoded in UTF-8) 354 */ 355 char model_number[WPS_MODEL_NUMBER_MAX_LEN + 1]; 356 357 /** 358 * serial_number - Serial Number (0..32 octets encoded in UTF-8) 359 */ 360 char serial_number[WPS_SERIAL_NUMBER_MAX_LEN + 1]; 361 362 /** 363 * level - Signal level 364 */ 365 int level; 366 367 /** 368 * config_methods - WPS Configuration Methods 369 */ 370 u16 config_methods; 371 372 /** 373 * dev_capab - Device Capabilities 374 */ 375 u8 dev_capab; 376 377 /** 378 * group_capab - Group Capabilities 379 */ 380 u8 group_capab; 381 382 /** 383 * wps_sec_dev_type_list - WPS secondary device type list 384 * 385 * This list includes from 0 to 16 Secondary Device Types as indicated 386 * by wps_sec_dev_type_list_len (8 * number of types). 387 */ 388 u8 wps_sec_dev_type_list[WPS_SEC_DEV_TYPE_MAX_LEN]; 389 390 /** 391 * wps_sec_dev_type_list_len - Length of secondary device type list 392 */ 393 size_t wps_sec_dev_type_list_len; 394 395 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; 396 397 /** 398 * wfd_subelems - Wi-Fi Display subelements from WFD IE(s) 399 */ 400 struct wpabuf *wfd_subelems; 401 402 /** 403 * vendor_elems - Unrecognized vendor elements 404 * 405 * This buffer includes any other vendor element than P2P, WPS, and WFD 406 * IE(s) from the frame that was used to discover the peer. 407 */ 408 struct wpabuf *vendor_elems; 409 410 /** 411 * p2ps_instance - P2PS Application Service Info 412 */ 413 struct wpabuf *p2ps_instance; 414 }; 415 416 enum p2p_prov_disc_status { 417 P2P_PROV_DISC_SUCCESS, 418 P2P_PROV_DISC_TIMEOUT, 419 P2P_PROV_DISC_REJECTED, 420 P2P_PROV_DISC_TIMEOUT_JOIN, 421 P2P_PROV_DISC_INFO_UNAVAILABLE, 422 }; 423 424 struct p2p_channel { 425 u8 op_class; 426 u8 chan; 427 }; 428 429 /** 430 * struct p2p_config - P2P configuration 431 * 432 * This configuration is provided to the P2P module during initialization with 433 * p2p_init(). 434 */ 435 struct p2p_config { 436 /** 437 * country - Country code to use in P2P operations 438 */ 439 char country[3]; 440 441 /** 442 * reg_class - Regulatory class for own listen channel 443 */ 444 u8 reg_class; 445 446 /** 447 * channel - Own listen channel 448 */ 449 u8 channel; 450 451 /** 452 * channel_forced - the listen channel was forced by configuration 453 * or by control interface and cannot be overridden 454 */ 455 u8 channel_forced; 456 457 /** 458 * Regulatory class for own operational channel 459 */ 460 u8 op_reg_class; 461 462 /** 463 * op_channel - Own operational channel 464 */ 465 u8 op_channel; 466 467 /** 468 * cfg_op_channel - Whether op_channel is hardcoded in configuration 469 */ 470 u8 cfg_op_channel; 471 472 /** 473 * channels - Own supported regulatory classes and channels 474 * 475 * List of supposerted channels per regulatory class. The regulatory 476 * classes are defined in IEEE Std 802.11-2007 Annex J and the 477 * numbering of the clases depends on the configured country code. 478 */ 479 struct p2p_channels channels; 480 481 /** 482 * cli_channels - Additional client channels 483 * 484 * This list of channels (if any) will be used when advertising local 485 * channels during GO Negotiation or Invitation for the cases where the 486 * local end may become the client. This may allow the peer to become a 487 * GO on additional channels if it supports these options. The main use 488 * case for this is to include passive-scan channels on devices that may 489 * not know their current location and have configured most channels to 490 * not allow initiation of radition (i.e., another device needs to take 491 * master responsibilities). 492 */ 493 struct p2p_channels cli_channels; 494 495 /** 496 * num_pref_chan - Number of pref_chan entries 497 */ 498 unsigned int num_pref_chan; 499 500 /** 501 * pref_chan - Preferred channels for GO Negotiation 502 */ 503 struct p2p_channel *pref_chan; 504 505 /** 506 * p2p_6ghz_disable - Disable 6GHz for P2P operations 507 */ 508 bool p2p_6ghz_disable; 509 510 /** 511 * p2p_dfs_chan_enable - Enable p2p Go to operate on dfs channel 512 */ 513 bool p2p_dfs_chan_enable; 514 515 /** 516 * pri_dev_type - Primary Device Type (see WPS) 517 */ 518 u8 pri_dev_type[8]; 519 520 /** 521 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types 522 */ 523 #define P2P_SEC_DEVICE_TYPES 5 524 525 /** 526 * sec_dev_type - Optional secondary device types 527 */ 528 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8]; 529 530 /** 531 * num_sec_dev_types - Number of sec_dev_type entries 532 */ 533 size_t num_sec_dev_types; 534 535 /** 536 * dev_addr - P2P Device Address 537 */ 538 u8 dev_addr[ETH_ALEN]; 539 540 /** 541 * dev_name - Device Name 542 */ 543 char *dev_name; 544 545 char *manufacturer; 546 char *model_name; 547 char *model_number; 548 char *serial_number; 549 550 u8 uuid[16]; 551 u16 config_methods; 552 553 /** 554 * concurrent_operations - Whether concurrent operations are supported 555 */ 556 int concurrent_operations; 557 558 /** 559 * max_peers - Maximum number of discovered peers to remember 560 * 561 * If more peers are discovered, older entries will be removed to make 562 * room for the new ones. 563 */ 564 size_t max_peers; 565 566 /** 567 * p2p_intra_bss - Intra BSS communication is supported 568 */ 569 int p2p_intra_bss; 570 571 /** 572 * ssid_postfix - Postfix data to add to the SSID 573 * 574 * This data will be added to the end of the SSID after the 575 * DIRECT-<random two octets> prefix. 576 */ 577 u8 ssid_postfix[SSID_MAX_LEN - 9]; 578 579 /** 580 * ssid_postfix_len - Length of the ssid_postfix data 581 */ 582 size_t ssid_postfix_len; 583 584 /** 585 * max_listen - Maximum listen duration in ms 586 */ 587 unsigned int max_listen; 588 589 /** 590 * passphrase_len - Passphrase length (8..63) 591 * 592 * This parameter controls the length of the random passphrase that is 593 * generated at the GO. 594 */ 595 unsigned int passphrase_len; 596 597 /** 598 * cb_ctx - Context to use with callback functions 599 */ 600 void *cb_ctx; 601 602 /** 603 * debug_print - Debug print 604 * @ctx: Callback context from cb_ctx 605 * @level: Debug verbosity level (MSG_*) 606 * @msg: Debug message 607 */ 608 void (*debug_print)(void *ctx, int level, const char *msg); 609 610 611 /* Callbacks to request lower layer driver operations */ 612 613 /** 614 * p2p_scan - Request a P2P scan/search 615 * @ctx: Callback context from cb_ctx 616 * @type: Scan type 617 * @freq: Specific frequency (MHz) to scan or 0 for no restriction 618 * @num_req_dev_types: Number of requested device types 619 * @req_dev_types: Array containing requested device types 620 * @dev_id: Device ID to search for or %NULL to find all devices 621 * @pw_id: Device Password ID 622 * @include_6ghz: Include 6 GHz channels in P2P scan 623 * Returns: 0 on success, -1 on failure 624 * 625 * This callback function is used to request a P2P scan or search 626 * operation to be completed. Type type argument specifies which type 627 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the 628 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL 629 * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC 630 * request a scan of a single channel specified by freq. 631 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels 632 * plus one extra channel specified by freq. 633 * 634 * The full scan is used for the initial scan to find group owners from 635 * all. The other types are used during search phase scan of the social 636 * channels (with potential variation if the Listen channel of the 637 * target peer is known or if other channels are scanned in steps). 638 * 639 * The scan results are returned after this call by calling 640 * p2p_scan_res_handler() for each scan result that has a P2P IE and 641 * then calling p2p_scan_res_handled() to indicate that all scan 642 * results have been indicated. 643 */ 644 int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq, 645 unsigned int num_req_dev_types, 646 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id, 647 bool include_6ghz); 648 649 /** 650 * send_probe_resp - Transmit a Probe Response frame 651 * @ctx: Callback context from cb_ctx 652 * @buf: Probe Response frame (including the header and body) 653 * @freq: Forced frequency (in MHz) to use or 0. 654 * Returns: 0 on success, -1 on failure 655 * 656 * This function is used to reply to Probe Request frames that were 657 * indicated with a call to p2p_probe_req_rx(). The response is to be 658 * sent on the same channel, unless otherwise specified, or to be 659 * dropped if the driver is not listening to Probe Request frames 660 * anymore. 661 * 662 * Alternatively, the responsibility for building the Probe Response 663 * frames in Listen state may be in another system component in which 664 * case this function need to be implemented (i.e., the function 665 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe 666 * Response frames in such a case are available from the 667 * start_listen() callback. It should be noted that the received Probe 668 * Request frames must be indicated by calling p2p_probe_req_rx() even 669 * if this send_probe_resp() is not used. 670 */ 671 int (*send_probe_resp)(void *ctx, const struct wpabuf *buf, 672 unsigned int freq); 673 674 /** 675 * send_action - Transmit an Action frame 676 * @ctx: Callback context from cb_ctx 677 * @freq: Frequency in MHz for the channel on which to transmit 678 * @dst: Destination MAC address (Address 1) 679 * @src: Source MAC address (Address 2) 680 * @bssid: BSSID (Address 3) 681 * @buf: Frame body (starting from Category field) 682 * @len: Length of buf in octets 683 * @wait_time: How many msec to wait for a response frame 684 * @scheduled: Return value indicating whether the transmissions was 685 * scheduled to happen once the radio is available 686 * Returns: 0 on success, -1 on failure 687 * 688 * The Action frame may not be transmitted immediately and the status 689 * of the transmission must be reported by calling 690 * p2p_send_action_cb() once the frame has either been transmitted or 691 * it has been dropped due to excessive retries or other failure to 692 * transmit. 693 */ 694 int (*send_action)(void *ctx, unsigned int freq, const u8 *dst, 695 const u8 *src, const u8 *bssid, const u8 *buf, 696 size_t len, unsigned int wait_time, int *scheduled); 697 698 /** 699 * send_action_done - Notify that Action frame sequence was completed 700 * @ctx: Callback context from cb_ctx 701 * 702 * This function is called when the Action frame sequence that was 703 * started with send_action() has been completed, i.e., when there is 704 * no need to wait for a response from the destination peer anymore. 705 */ 706 void (*send_action_done)(void *ctx); 707 708 /** 709 * start_listen - Start Listen state 710 * @ctx: Callback context from cb_ctx 711 * @freq: Frequency of the listen channel in MHz 712 * @duration: Duration for the Listen state in milliseconds 713 * @probe_resp_ie: IE(s) to be added to Probe Response frames 714 * Returns: 0 on success, -1 on failure 715 * 716 * This Listen state may not start immediately since the driver may 717 * have other pending operations to complete first. Once the Listen 718 * state has started, p2p_listen_cb() must be called to notify the P2P 719 * module. Once the Listen state is stopped, p2p_listen_end() must be 720 * called to notify the P2P module that the driver is not in the Listen 721 * state anymore. 722 * 723 * If the send_probe_resp() is not used for generating the response, 724 * the IEs from probe_resp_ie need to be added to the end of the Probe 725 * Response frame body. If send_probe_resp() is used, the probe_resp_ie 726 * information can be ignored. 727 */ 728 int (*start_listen)(void *ctx, unsigned int freq, 729 unsigned int duration, 730 const struct wpabuf *probe_resp_ie); 731 /** 732 * stop_listen - Stop Listen state 733 * @ctx: Callback context from cb_ctx 734 * 735 * This callback can be used to stop a Listen state operation that was 736 * previously requested with start_listen(). 737 */ 738 void (*stop_listen)(void *ctx); 739 740 /** 741 * get_noa - Get current Notice of Absence attribute payload 742 * @ctx: Callback context from cb_ctx 743 * @interface_addr: P2P Interface Address of the GO 744 * @buf: Buffer for returning NoA 745 * @buf_len: Buffer length in octets 746 * Returns: Number of octets used in buf, 0 to indicate no NoA is being 747 * advertized, or -1 on failure 748 * 749 * This function is used to fetch the current Notice of Absence 750 * attribute value from GO. 751 */ 752 int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf, 753 size_t buf_len); 754 755 /* Callbacks to notify events to upper layer management entity */ 756 757 /** 758 * dev_found - Notification of a found P2P Device 759 * @ctx: Callback context from cb_ctx 760 * @addr: Source address of the message triggering this notification 761 * @info: P2P peer information 762 * @new_device: Inform if the peer is newly found 763 * 764 * This callback is used to notify that a new P2P Device has been 765 * found. This may happen, e.g., during Search state based on scan 766 * results or during Listen state based on receive Probe Request and 767 * Group Owner Negotiation Request. 768 */ 769 void (*dev_found)(void *ctx, const u8 *addr, 770 const struct p2p_peer_info *info, 771 int new_device); 772 773 /** 774 * dev_lost - Notification of a lost P2P Device 775 * @ctx: Callback context from cb_ctx 776 * @dev_addr: P2P Device Address of the lost P2P Device 777 * 778 * This callback is used to notify that a P2P Device has been deleted. 779 */ 780 void (*dev_lost)(void *ctx, const u8 *dev_addr); 781 782 /** 783 * find_stopped - Notification of a p2p_find operation stopping 784 * @ctx: Callback context from cb_ctx 785 */ 786 void (*find_stopped)(void *ctx); 787 788 /** 789 * go_neg_req_rx - Notification of a receive GO Negotiation Request 790 * @ctx: Callback context from cb_ctx 791 * @src: Source address of the message triggering this notification 792 * @dev_passwd_id: WPS Device Password ID 793 * @go_intent: Peer's GO Intent 794 * 795 * This callback is used to notify that a P2P Device is requesting 796 * group owner negotiation with us, but we do not have all the 797 * necessary information to start GO Negotiation. This indicates that 798 * the local user has not authorized the connection yet by providing a 799 * PIN or PBC button press. This information can be provided with a 800 * call to p2p_connect(). 801 */ 802 void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id, 803 u8 go_intent); 804 805 /** 806 * go_neg_completed - Notification of GO Negotiation results 807 * @ctx: Callback context from cb_ctx 808 * @res: GO Negotiation results 809 * 810 * This callback is used to notify that Group Owner Negotiation has 811 * been completed. Non-zero struct p2p_go_neg_results::status indicates 812 * failed negotiation. In case of success, this function is responsible 813 * for creating a new group interface (or using the existing interface 814 * depending on driver features), setting up the group interface in 815 * proper mode based on struct p2p_go_neg_results::role_go and 816 * initializing WPS provisioning either as a Registrar (if GO) or as an 817 * Enrollee. Successful WPS provisioning must be indicated by calling 818 * p2p_wps_success_cb(). The callee is responsible for timing out group 819 * formation if WPS provisioning cannot be completed successfully 820 * within 15 seconds. 821 */ 822 void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res); 823 824 /** 825 * sd_request - Callback on Service Discovery Request 826 * @ctx: Callback context from cb_ctx 827 * @freq: Frequency (in MHz) of the channel 828 * @sa: Source address of the request 829 * @dialog_token: Dialog token 830 * @update_indic: Service Update Indicator from the source of request 831 * @tlvs: P2P Service Request TLV(s) 832 * @tlvs_len: Length of tlvs buffer in octets 833 * 834 * This callback is used to indicate reception of a service discovery 835 * request. Response to the query must be indicated by calling 836 * p2p_sd_response() with the context information from the arguments to 837 * this callback function. 838 * 839 * This callback handler can be set to %NULL to indicate that service 840 * discovery is not supported. 841 */ 842 void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token, 843 u16 update_indic, const u8 *tlvs, size_t tlvs_len); 844 845 /** 846 * sd_response - Callback on Service Discovery Response 847 * @ctx: Callback context from cb_ctx 848 * @sa: Source address of the request 849 * @update_indic: Service Update Indicator from the source of response 850 * @tlvs: P2P Service Response TLV(s) 851 * @tlvs_len: Length of tlvs buffer in octets 852 * 853 * This callback is used to indicate reception of a service discovery 854 * response. This callback handler can be set to %NULL if no service 855 * discovery requests are used. The information provided with this call 856 * is replies to the queries scheduled with p2p_sd_request(). 857 */ 858 void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic, 859 const u8 *tlvs, size_t tlvs_len); 860 861 /** 862 * prov_disc_req - Callback on Provisiong Discovery Request 863 * @ctx: Callback context from cb_ctx 864 * @peer: Source address of the request 865 * @config_methods: Requested WPS Config Method 866 * @dev_addr: P2P Device Address of the found P2P Device 867 * @pri_dev_type: Primary Device Type 868 * @dev_name: Device Name 869 * @supp_config_methods: Supported configuration Methods 870 * @dev_capab: Device Capabilities 871 * @group_capab: Group Capabilities 872 * @group_id: P2P Group ID (or %NULL if not included) 873 * @group_id_len: Length of P2P Group ID 874 * 875 * This callback is used to indicate reception of a Provision Discovery 876 * Request frame that the P2P module accepted. 877 */ 878 void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods, 879 const u8 *dev_addr, const u8 *pri_dev_type, 880 const char *dev_name, u16 supp_config_methods, 881 u8 dev_capab, u8 group_capab, 882 const u8 *group_id, size_t group_id_len); 883 884 /** 885 * prov_disc_resp - Callback on Provisiong Discovery Response 886 * @ctx: Callback context from cb_ctx 887 * @peer: Source address of the response 888 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure 889 * 890 * This callback is used to indicate reception of a Provision Discovery 891 * Response frame for a pending request scheduled with 892 * p2p_prov_disc_req(). This callback handler can be set to %NULL if 893 * provision discovery is not used. 894 */ 895 void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods); 896 897 /** 898 * prov_disc_fail - Callback on Provision Discovery failure 899 * @ctx: Callback context from cb_ctx 900 * @peer: Source address of the response 901 * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS 902 * @adv_id: If non-zero, then the adv_id of the PD Request 903 * @adv_mac: P2P Device Address of the advertizer 904 * @deferred_session_resp: Deferred session response sent by advertizer 905 * 906 * This callback is used to indicate either a failure or no response 907 * to an earlier provision discovery request. 908 * 909 * This callback handler can be set to %NULL if provision discovery 910 * is not used or failures do not need to be indicated. 911 */ 912 void (*prov_disc_fail)(void *ctx, const u8 *peer, 913 enum p2p_prov_disc_status status, 914 u32 adv_id, const u8 *adv_mac, 915 const char *deferred_session_resp); 916 917 /** 918 * invitation_process - Optional callback for processing Invitations 919 * @ctx: Callback context from cb_ctx 920 * @sa: Source address of the Invitation Request 921 * @bssid: P2P Group BSSID from the request or %NULL if not included 922 * @go_dev_addr: GO Device Address from P2P Group ID 923 * @ssid: SSID from P2P Group ID 924 * @ssid_len: Length of ssid buffer in octets 925 * @go: Variable for returning whether the local end is GO in the group 926 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO) 927 * @force_freq: Variable for returning forced frequency for the group 928 * @persistent_group: Whether this is an invitation to reinvoke a 929 * persistent group (instead of invitation to join an active 930 * group) 931 * @channels: Available operating channels for the group 932 * @dev_pw_id: Device Password ID for NFC static handover or -1 if not 933 * used 934 * Returns: Status code (P2P_SC_*) 935 * 936 * This optional callback can be used to implement persistent reconnect 937 * by allowing automatic restarting of persistent groups without user 938 * interaction. If this callback is not implemented (i.e., is %NULL), 939 * the received Invitation Request frames are replied with 940 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the 941 * invitation_result() callback. 942 * 943 * If the requested parameters are acceptable and the group is known, 944 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown, 945 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED 946 * can be returned if there is not enough data to provide immediate 947 * response, i.e., if some sort of user interaction is needed. The 948 * invitation_received() callback will be called in that case 949 * immediately after this call. 950 */ 951 u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid, 952 const u8 *go_dev_addr, const u8 *ssid, 953 size_t ssid_len, int *go, u8 *group_bssid, 954 int *force_freq, int persistent_group, 955 const struct p2p_channels *channels, 956 int dev_pw_id); 957 958 /** 959 * invitation_received - Callback on Invitation Request RX 960 * @ctx: Callback context from cb_ctx 961 * @sa: Source address of the Invitation Request 962 * @bssid: P2P Group BSSID or %NULL if not received 963 * @ssid: SSID of the group 964 * @ssid_len: Length of ssid in octets 965 * @go_dev_addr: GO Device Address 966 * @status: Response Status 967 * @op_freq: Operational frequency for the group 968 * 969 * This callback is used to indicate sending of an Invitation Response 970 * for a received Invitation Request. If status == 0 (success), the 971 * upper layer code is responsible for starting the group. status == 1 972 * indicates need to get user authorization for the group. Other status 973 * values indicate that the invitation request was rejected. 974 */ 975 void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid, 976 const u8 *ssid, size_t ssid_len, 977 const u8 *go_dev_addr, u8 status, 978 int op_freq); 979 980 /** 981 * invitation_result - Callback on Invitation result 982 * @ctx: Callback context from cb_ctx 983 * @status: Negotiation result (Status Code) 984 * @bssid: P2P Group BSSID or %NULL if not received 985 * @channels: Available operating channels for the group 986 * @addr: Peer address 987 * @freq: Frequency (in MHz) indicated during invitation or 0 988 * @peer_oper_freq: Operating frequency (in MHz) advertized by the peer 989 * during invitation or 0 990 * 991 * This callback is used to indicate result of an Invitation procedure 992 * started with a call to p2p_invite(). The indicated status code is 993 * the value received from the peer in Invitation Response with 0 994 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a 995 * local failure in transmitting the Invitation Request. 996 */ 997 void (*invitation_result)(void *ctx, int status, const u8 *bssid, 998 const struct p2p_channels *channels, 999 const u8 *addr, int freq, int peer_oper_freq); 1000 1001 /** 1002 * go_connected - Check whether we are connected to a GO 1003 * @ctx: Callback context from cb_ctx 1004 * @dev_addr: P2P Device Address of a GO 1005 * Returns: 1 if we are connected as a P2P client to the specified GO 1006 * or 0 if not. 1007 */ 1008 int (*go_connected)(void *ctx, const u8 *dev_addr); 1009 1010 /** 1011 * presence_resp - Callback on Presence Response 1012 * @ctx: Callback context from cb_ctx 1013 * @src: Source address (GO's P2P Interface Address) 1014 * @status: Result of the request (P2P_SC_*) 1015 * @noa: Returned NoA value 1016 * @noa_len: Length of the NoA buffer in octets 1017 */ 1018 void (*presence_resp)(void *ctx, const u8 *src, u8 status, 1019 const u8 *noa, size_t noa_len); 1020 1021 /** 1022 * is_concurrent_session_active - Check whether concurrent session is 1023 * active on other virtual interfaces 1024 * @ctx: Callback context from cb_ctx 1025 * Returns: 1 if concurrent session is active on other virtual interface 1026 * or 0 if not. 1027 */ 1028 int (*is_concurrent_session_active)(void *ctx); 1029 1030 /** 1031 * is_p2p_in_progress - Check whether P2P operation is in progress 1032 * @ctx: Callback context from cb_ctx 1033 * Returns: 1 if P2P operation (e.g., group formation) is in progress 1034 * or 0 if not. 1035 */ 1036 int (*is_p2p_in_progress)(void *ctx); 1037 1038 /** 1039 * Determine if we have a persistent group we share with remote peer 1040 * and allocate interface for this group if needed 1041 * @ctx: Callback context from cb_ctx 1042 * @addr: Peer device address to search for 1043 * @ssid: Persistent group SSID or %NULL if any 1044 * @ssid_len: Length of @ssid 1045 * @go_dev_addr: Buffer for returning GO P2P Device Address 1046 * @ret_ssid: Buffer for returning group SSID 1047 * @ret_ssid_len: Buffer for returning length of @ssid 1048 * @intended_iface_addr: Buffer for returning intended iface address 1049 * Returns: 1 if a matching persistent group was found, 0 otherwise 1050 */ 1051 int (*get_persistent_group)(void *ctx, const u8 *addr, const u8 *ssid, 1052 size_t ssid_len, u8 *go_dev_addr, 1053 u8 *ret_ssid, size_t *ret_ssid_len, 1054 u8 *intended_iface_addr); 1055 1056 /** 1057 * Get information about a possible local GO role 1058 * @ctx: Callback context from cb_ctx 1059 * @intended_addr: Buffer for returning intended GO interface address 1060 * @ssid: Buffer for returning group SSID 1061 * @ssid_len: Buffer for returning length of @ssid 1062 * @group_iface: Buffer for returning whether a separate group interface 1063 * would be used 1064 * @freq: Variable for returning the current operating frequency of a 1065 * currently running P2P GO. 1066 * Returns: 1 if GO info found, 0 otherwise 1067 * 1068 * This is used to compose New Group settings (SSID, and intended 1069 * address) during P2PS provisioning if results of provisioning *might* 1070 * result in our being an autonomous GO. 1071 */ 1072 int (*get_go_info)(void *ctx, u8 *intended_addr, 1073 u8 *ssid, size_t *ssid_len, int *group_iface, 1074 unsigned int *freq); 1075 1076 /** 1077 * remove_stale_groups - Remove stale P2PS groups 1078 * 1079 * Because P2PS stages *potential* GOs, and remote devices can remove 1080 * credentials unilaterally, we need to make sure we don't let stale 1081 * unusable groups build up. 1082 */ 1083 int (*remove_stale_groups)(void *ctx, const u8 *peer, const u8 *go, 1084 const u8 *ssid, size_t ssid_len); 1085 1086 /** 1087 * p2ps_prov_complete - P2PS provisioning complete 1088 * 1089 * When P2PS provisioning completes (successfully or not) we must 1090 * transmit all of the results to the upper layers. 1091 */ 1092 void (*p2ps_prov_complete)(void *ctx, u8 status, const u8 *dev, 1093 const u8 *adv_mac, const u8 *ses_mac, 1094 const u8 *grp_mac, u32 adv_id, u32 ses_id, 1095 u8 conncap, int passwd_id, 1096 const u8 *persist_ssid, 1097 size_t persist_ssid_size, int response_done, 1098 int prov_start, const char *session_info, 1099 const u8 *feat_cap, size_t feat_cap_len, 1100 unsigned int freq, const u8 *group_ssid, 1101 size_t group_ssid_len); 1102 1103 /** 1104 * prov_disc_resp_cb - Callback for indicating completion of PD Response 1105 * @ctx: Callback context from cb_ctx 1106 * Returns: 1 if operation was started, 0 otherwise 1107 * 1108 * This callback can be used to perform any pending actions after 1109 * provisioning. It is mainly used for P2PS pending group creation. 1110 */ 1111 int (*prov_disc_resp_cb)(void *ctx); 1112 1113 /** 1114 * p2ps_group_capability - Determine group capability 1115 * @ctx: Callback context from cb_ctx 1116 * @incoming: Peer requested roles, expressed with P2PS_SETUP_* bitmap. 1117 * @role: Local roles, expressed with P2PS_SETUP_* bitmap. 1118 * @force_freq: Variable for returning forced frequency for the group. 1119 * @pref_freq: Variable for returning preferred frequency for the group. 1120 * Returns: P2PS_SETUP_* bitmap of group capability result. 1121 * 1122 * This function can be used to determine group capability and 1123 * frequencies based on information from P2PS PD exchange and the 1124 * current state of ongoing groups and driver capabilities. 1125 */ 1126 u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role, 1127 unsigned int *force_freq, 1128 unsigned int *pref_freq); 1129 1130 /** 1131 * get_pref_freq_list - Get preferred frequency list for an interface 1132 * @ctx: Callback context from cb_ctx 1133 * @go: Whether the use if for GO role 1134 * @len: Length of freq_list in entries (both IN and OUT) 1135 * @freq_list: Buffer for returning the preferred frequencies (MHz) 1136 * Returns: 0 on success, -1 on failure 1137 * 1138 * This function can be used to query the preferred frequency list from 1139 * the driver specific to a particular interface type. 1140 */ 1141 int (*get_pref_freq_list)(void *ctx, int go, 1142 unsigned int *len, 1143 struct weighted_pcl *freq_list); 1144 }; 1145 1146 1147 /* P2P module initialization/deinitialization */ 1148 1149 /** 1150 * p2p_init - Initialize P2P module 1151 * @cfg: P2P module configuration 1152 * Returns: Pointer to private data or %NULL on failure 1153 * 1154 * This function is used to initialize global P2P module context (one per 1155 * device). The P2P module will keep a copy of the configuration data, so the 1156 * caller does not need to maintain this structure. However, the callback 1157 * functions and the context parameters to them must be kept available until 1158 * the P2P module is deinitialized with p2p_deinit(). 1159 */ 1160 struct p2p_data * p2p_init(const struct p2p_config *cfg); 1161 1162 /** 1163 * p2p_deinit - Deinitialize P2P module 1164 * @p2p: P2P module context from p2p_init() 1165 */ 1166 void p2p_deinit(struct p2p_data *p2p); 1167 1168 /** 1169 * p2p_flush - Flush P2P module state 1170 * @p2p: P2P module context from p2p_init() 1171 * 1172 * This command removes the P2P module state like peer device entries. 1173 */ 1174 void p2p_flush(struct p2p_data *p2p); 1175 1176 /** 1177 * p2p_unauthorize - Unauthorize the specified peer device 1178 * @p2p: P2P module context from p2p_init() 1179 * @addr: P2P peer entry to be unauthorized 1180 * Returns: 0 on success, -1 on failure 1181 * 1182 * This command removes any connection authorization from the specified P2P 1183 * peer device address. This can be used, e.g., to cancel effect of a previous 1184 * p2p_authorize() or p2p_connect() call that has not yet resulted in completed 1185 * GO Negotiation. 1186 */ 1187 int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr); 1188 1189 /** 1190 * p2p_set_dev_name - Set device name 1191 * @p2p: P2P module context from p2p_init() 1192 * Returns: 0 on success, -1 on failure 1193 * 1194 * This function can be used to update the P2P module configuration with 1195 * information that was not available at the time of the p2p_init() call. 1196 */ 1197 int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name); 1198 1199 int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer); 1200 int p2p_set_model_name(struct p2p_data *p2p, const char *model_name); 1201 int p2p_set_model_number(struct p2p_data *p2p, const char *model_number); 1202 int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number); 1203 1204 void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods); 1205 void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid); 1206 1207 /** 1208 * p2p_set_pri_dev_type - Set primary device type 1209 * @p2p: P2P module context from p2p_init() 1210 * Returns: 0 on success, -1 on failure 1211 * 1212 * This function can be used to update the P2P module configuration with 1213 * information that was not available at the time of the p2p_init() call. 1214 */ 1215 int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type); 1216 1217 /** 1218 * p2p_set_sec_dev_types - Set secondary device types 1219 * @p2p: P2P module context from p2p_init() 1220 * Returns: 0 on success, -1 on failure 1221 * 1222 * This function can be used to update the P2P module configuration with 1223 * information that was not available at the time of the p2p_init() call. 1224 */ 1225 int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8], 1226 size_t num_dev_types); 1227 1228 int p2p_set_country(struct p2p_data *p2p, const char *country); 1229 1230 1231 /* Commands from upper layer management entity */ 1232 1233 enum p2p_discovery_type { 1234 P2P_FIND_START_WITH_FULL, 1235 P2P_FIND_ONLY_SOCIAL, 1236 P2P_FIND_PROGRESSIVE 1237 }; 1238 1239 /** 1240 * p2p_find - Start P2P Find (Device Discovery) 1241 * @p2p: P2P module context from p2p_init() 1242 * @timeout: Timeout for find operation in seconds or 0 for no timeout 1243 * @type: Device Discovery type 1244 * @num_req_dev_types: Number of requested device types 1245 * @req_dev_types: Requested device types array, must be an array 1246 * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no 1247 * requested device types. 1248 * @dev_id: Device ID to search for or %NULL to find all devices 1249 * @search_delay: Extra delay in milliseconds between search iterations 1250 * @seek_count: Number of ASP Service Strings in the seek_string array 1251 * @seek_string: ASP Service Strings to query for in Probe Requests 1252 * @freq: Requested first scan frequency (in MHz) to modify type == 1253 * P2P_FIND_START_WITH_FULL behavior. 0 = Use normal full scan. 1254 * If p2p_find is already in progress, this parameter is ignored and full 1255 * scan will be executed. 1256 * @include_6ghz: Include 6 GHz channels in P2P find 1257 * Returns: 0 on success, -1 on failure 1258 */ 1259 int p2p_find(struct p2p_data *p2p, unsigned int timeout, 1260 enum p2p_discovery_type type, 1261 unsigned int num_req_dev_types, const u8 *req_dev_types, 1262 const u8 *dev_id, unsigned int search_delay, 1263 u8 seek_count, const char **seek_string, int freq, 1264 bool include_6ghz); 1265 1266 /** 1267 * p2p_notify_scan_trigger_status - Indicate scan trigger status 1268 * @p2p: P2P module context from p2p_init() 1269 * @status: 0 on success, -1 on failure 1270 */ 1271 void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status); 1272 1273 /** 1274 * p2p_stop_find - Stop P2P Find (Device Discovery) 1275 * @p2p: P2P module context from p2p_init() 1276 */ 1277 void p2p_stop_find(struct p2p_data *p2p); 1278 1279 /** 1280 * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq 1281 * @p2p: P2P module context from p2p_init() 1282 * @freq: Frequency in MHz for next operation 1283 * 1284 * This is like p2p_stop_find(), but Listen state is not stopped if we are 1285 * already on the same frequency. 1286 */ 1287 void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq); 1288 1289 /** 1290 * p2p_listen - Start P2P Listen state for specified duration 1291 * @p2p: P2P module context from p2p_init() 1292 * @timeout: Listen state duration in milliseconds 1293 * Returns: 0 on success, -1 on failure 1294 * 1295 * This function can be used to request the P2P module to keep the device 1296 * discoverable on the listen channel for an extended set of time. At least in 1297 * its current form, this is mainly used for testing purposes and may not be of 1298 * much use for normal P2P operations. 1299 */ 1300 int p2p_listen(struct p2p_data *p2p, unsigned int timeout); 1301 1302 /** 1303 * p2p_stop_listen - Stop P2P Listen 1304 * @p2p: P2P module context from p2p_init() 1305 */ 1306 void p2p_stop_listen(struct p2p_data *p2p); 1307 1308 /** 1309 * p2p_connect - Start P2P group formation (GO negotiation) 1310 * @p2p: P2P module context from p2p_init() 1311 * @peer_addr: MAC address of the peer P2P client 1312 * @wps_method: WPS method to be used in provisioning 1313 * @go_intent: Local GO intent value (1..15) 1314 * @own_interface_addr: Intended interface address to use with the group 1315 * @force_freq: The only allowed channel frequency in MHz or 0 1316 * @persistent_group: Whether to create a persistent group (0 = no, 1 = 1317 * persistent group without persistent reconnect, 2 = persistent group with 1318 * persistent reconnect) 1319 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate 1320 * a new SSID 1321 * @force_ssid_len: Length of $force_ssid buffer 1322 * @pd_before_go_neg: Whether to send Provision Discovery prior to GO 1323 * Negotiation as an interoperability workaround when initiating group 1324 * formation 1325 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if 1326 * force_freq == 0) 1327 * Returns: 0 on success, -1 on failure 1328 */ 1329 int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr, 1330 enum p2p_wps_method wps_method, 1331 int go_intent, const u8 *own_interface_addr, 1332 unsigned int force_freq, int persistent_group, 1333 const u8 *force_ssid, size_t force_ssid_len, 1334 int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id); 1335 1336 /** 1337 * p2p_authorize - Authorize P2P group formation (GO negotiation) 1338 * @p2p: P2P module context from p2p_init() 1339 * @peer_addr: MAC address of the peer P2P client 1340 * @wps_method: WPS method to be used in provisioning 1341 * @go_intent: Local GO intent value (1..15) 1342 * @own_interface_addr: Intended interface address to use with the group 1343 * @force_freq: The only allowed channel frequency in MHz or 0 1344 * @persistent_group: Whether to create a persistent group (0 = no, 1 = 1345 * persistent group without persistent reconnect, 2 = persistent group with 1346 * persistent reconnect) 1347 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate 1348 * a new SSID 1349 * @force_ssid_len: Length of $force_ssid buffer 1350 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if 1351 * force_freq == 0) 1352 * Returns: 0 on success, -1 on failure 1353 * 1354 * This is like p2p_connect(), but the actual group negotiation is not 1355 * initiated automatically, i.e., the other end is expected to do that. 1356 */ 1357 int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr, 1358 enum p2p_wps_method wps_method, 1359 int go_intent, const u8 *own_interface_addr, 1360 unsigned int force_freq, int persistent_group, 1361 const u8 *force_ssid, size_t force_ssid_len, 1362 unsigned int pref_freq, u16 oob_pw_id); 1363 1364 /** 1365 * p2p_reject - Reject peer device (explicitly block connection attempts) 1366 * @p2p: P2P module context from p2p_init() 1367 * @peer_addr: MAC address of the peer P2P client 1368 * Returns: 0 on success, -1 on failure 1369 */ 1370 int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr); 1371 1372 /** 1373 * p2p_prov_disc_req - Send Provision Discovery Request 1374 * @p2p: P2P module context from p2p_init() 1375 * @peer_addr: MAC address of the peer P2P client 1376 * @p2ps_prov: Provisioning info for P2PS 1377 * @config_methods: WPS Config Methods value (only one bit set) 1378 * @join: Whether this is used by a client joining an active group 1379 * @force_freq: Forced TX frequency for the frame (mainly for the join case) 1380 * @user_initiated_pd: Flag to indicate if initiated by user or not 1381 * Returns: 0 on success, -1 on failure 1382 * 1383 * This function can be used to request a discovered P2P peer to display a PIN 1384 * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us 1385 * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame 1386 * is transmitted once immediately and if no response is received, the frame 1387 * will be sent again whenever the target device is discovered during device 1388 * dsicovery (start with a p2p_find() call). Response from the peer is 1389 * indicated with the p2p_config::prov_disc_resp() callback. 1390 */ 1391 int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr, 1392 struct p2ps_provision *p2ps_prov, u16 config_methods, 1393 int join, int force_freq, 1394 int user_initiated_pd); 1395 1396 /** 1397 * p2p_sd_request - Schedule a service discovery query 1398 * @p2p: P2P module context from p2p_init() 1399 * @dst: Destination peer or %NULL to apply for all peers 1400 * @tlvs: P2P Service Query TLV(s) 1401 * Returns: Reference to the query or %NULL on failure 1402 * 1403 * Response to the query is indicated with the p2p_config::sd_response() 1404 * callback. 1405 */ 1406 void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst, 1407 const struct wpabuf *tlvs); 1408 1409 #ifdef CONFIG_WIFI_DISPLAY 1410 void * p2p_sd_request_wfd(struct p2p_data *p2p, const u8 *dst, 1411 const struct wpabuf *tlvs); 1412 #endif /* CONFIG_WIFI_DISPLAY */ 1413 1414 /** 1415 * p2p_sd_cancel_request - Cancel a pending service discovery query 1416 * @p2p: P2P module context from p2p_init() 1417 * @req: Query reference from p2p_sd_request() 1418 * Returns: 0 if request for cancelled; -1 if not found 1419 */ 1420 int p2p_sd_cancel_request(struct p2p_data *p2p, void *req); 1421 1422 /** 1423 * p2p_sd_response - Send response to a service discovery query 1424 * @p2p: P2P module context from p2p_init() 1425 * @freq: Frequency from p2p_config::sd_request() callback 1426 * @dst: Destination address from p2p_config::sd_request() callback 1427 * @dialog_token: Dialog token from p2p_config::sd_request() callback 1428 * @resp_tlvs: P2P Service Response TLV(s) 1429 * 1430 * This function is called as a response to the request indicated with 1431 * p2p_config::sd_request() callback. 1432 */ 1433 void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst, 1434 u8 dialog_token, const struct wpabuf *resp_tlvs); 1435 1436 /** 1437 * p2p_sd_service_update - Indicate a change in local services 1438 * @p2p: P2P module context from p2p_init() 1439 * 1440 * This function needs to be called whenever there is a change in availability 1441 * of the local services. This will increment the Service Update Indicator 1442 * value which will be used in SD Request and Response frames. 1443 */ 1444 void p2p_sd_service_update(struct p2p_data *p2p); 1445 1446 1447 enum p2p_invite_role { 1448 P2P_INVITE_ROLE_GO, 1449 P2P_INVITE_ROLE_ACTIVE_GO, 1450 P2P_INVITE_ROLE_CLIENT 1451 }; 1452 1453 /** 1454 * p2p_invite - Invite a P2P Device into a group 1455 * @p2p: P2P module context from p2p_init() 1456 * @peer: Device Address of the peer P2P Device 1457 * @role: Local role in the group 1458 * @bssid: Group BSSID or %NULL if not known 1459 * @ssid: Group SSID 1460 * @ssid_len: Length of ssid in octets 1461 * @force_freq: The only allowed channel frequency in MHz or 0 1462 * @go_dev_addr: Forced GO Device Address or %NULL if none 1463 * @persistent_group: Whether this is to reinvoke a persistent group 1464 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if 1465 * force_freq == 0) 1466 * @dev_pw_id: Device Password ID from OOB Device Password (NFC) static handover 1467 * case or -1 if not used 1468 * Returns: 0 on success, -1 on failure 1469 */ 1470 int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role, 1471 const u8 *bssid, const u8 *ssid, size_t ssid_len, 1472 unsigned int force_freq, const u8 *go_dev_addr, 1473 int persistent_group, unsigned int pref_freq, int dev_pw_id); 1474 1475 /** 1476 * p2p_presence_req - Request GO presence 1477 * @p2p: P2P module context from p2p_init() 1478 * @go_interface_addr: GO P2P Interface Address 1479 * @own_interface_addr: Own P2P Interface Address for this group 1480 * @freq: Group operating frequence (in MHz) 1481 * @duration1: Preferred presence duration in microseconds 1482 * @interval1: Preferred presence interval in microseconds 1483 * @duration2: Acceptable presence duration in microseconds 1484 * @interval2: Acceptable presence interval in microseconds 1485 * Returns: 0 on success, -1 on failure 1486 * 1487 * If both duration and interval values are zero, the parameter pair is not 1488 * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0). 1489 */ 1490 int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr, 1491 const u8 *own_interface_addr, unsigned int freq, 1492 u32 duration1, u32 interval1, u32 duration2, 1493 u32 interval2); 1494 1495 /** 1496 * p2p_ext_listen - Set Extended Listen Timing 1497 * @p2p: P2P module context from p2p_init() 1498 * @freq: Group operating frequence (in MHz) 1499 * @period: Availability period in milliseconds (1-65535; 0 to disable) 1500 * @interval: Availability interval in milliseconds (1-65535; 0 to disable) 1501 * Returns: 0 on success, -1 on failure 1502 * 1503 * This function can be used to enable or disable (period = interval = 0) 1504 * Extended Listen Timing. When enabled, the P2P Device will become 1505 * discoverable (go into Listen State) every @interval milliseconds for at 1506 * least @period milliseconds. 1507 */ 1508 int p2p_ext_listen(struct p2p_data *p2p, unsigned int period, 1509 unsigned int interval); 1510 1511 /* Event notifications from upper layer management operations */ 1512 1513 /** 1514 * p2p_wps_success_cb - Report successfully completed WPS provisioning 1515 * @p2p: P2P module context from p2p_init() 1516 * @mac_addr: Peer address 1517 * 1518 * This function is used to report successfully completed WPS provisioning 1519 * during group formation in both GO/Registrar and client/Enrollee roles. 1520 */ 1521 void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr); 1522 1523 /** 1524 * p2p_group_formation_failed - Report failed WPS provisioning 1525 * @p2p: P2P module context from p2p_init() 1526 * 1527 * This function is used to report failed group formation. This can happen 1528 * either due to failed WPS provisioning or due to 15 second timeout during 1529 * the provisioning phase. 1530 */ 1531 void p2p_group_formation_failed(struct p2p_data *p2p); 1532 1533 /** 1534 * p2p_get_provisioning_info - Get any stored provisioning info 1535 * @p2p: P2P module context from p2p_init() 1536 * @addr: Peer P2P Device Address 1537 * Returns: WPS provisioning information (WPS config method) or 0 if no 1538 * information is available 1539 * 1540 * This function is used to retrieve stored WPS provisioning info for the given 1541 * peer. 1542 */ 1543 u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr); 1544 1545 /** 1546 * p2p_clear_provisioning_info - Clear any stored provisioning info 1547 * @p2p: P2P module context from p2p_init() 1548 * @iface_addr: Peer P2P Device Address 1549 * 1550 * This function is used to clear stored WPS provisioning info for the given 1551 * peer. 1552 */ 1553 void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr); 1554 1555 1556 /* Event notifications from lower layer driver operations */ 1557 1558 /** 1559 * enum p2p_probe_req_status 1560 * 1561 * @P2P_PREQ_MALFORMED: frame was not well-formed 1562 * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored 1563 * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request 1564 * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed 1565 * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P 1566 */ 1567 enum p2p_probe_req_status { 1568 P2P_PREQ_MALFORMED, 1569 P2P_PREQ_NOT_LISTEN, 1570 P2P_PREQ_NOT_P2P, 1571 P2P_PREQ_NOT_PROCESSED, 1572 P2P_PREQ_PROCESSED 1573 }; 1574 1575 /** 1576 * p2p_probe_req_rx - Report reception of a Probe Request frame 1577 * @p2p: P2P module context from p2p_init() 1578 * @addr: Source MAC address 1579 * @dst: Destination MAC address if available or %NULL 1580 * @bssid: BSSID if available or %NULL 1581 * @ie: Information elements from the Probe Request frame body 1582 * @ie_len: Length of ie buffer in octets 1583 * @rx_freq: Probe Request frame RX frequency 1584 * @p2p_lo_started: Whether P2P Listen Offload is started 1585 * Returns: value indicating the type and status of the probe request 1586 */ 1587 enum p2p_probe_req_status 1588 p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst, 1589 const u8 *bssid, const u8 *ie, size_t ie_len, 1590 unsigned int rx_freq, int p2p_lo_started); 1591 1592 /** 1593 * p2p_rx_action - Report received Action frame 1594 * @p2p: P2P module context from p2p_init() 1595 * @da: Destination address of the received Action frame 1596 * @sa: Source address of the received Action frame 1597 * @bssid: Address 3 of the received Action frame 1598 * @category: Category of the received Action frame 1599 * @data: Action frame body after the Category field 1600 * @len: Length of the data buffer in octets 1601 * @freq: Frequency (in MHz) on which the frame was received 1602 */ 1603 void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa, 1604 const u8 *bssid, u8 category, 1605 const u8 *data, size_t len, int freq); 1606 1607 /** 1608 * p2p_scan_res_handler - Indicate a P2P scan results 1609 * @p2p: P2P module context from p2p_init() 1610 * @bssid: BSSID of the scan result 1611 * @freq: Frequency of the channel on which the device was found in MHz 1612 * @rx_time: Time when the result was received 1613 * @level: Signal level (signal strength of the received Beacon/Probe Response 1614 * frame) 1615 * @ies: Pointer to IEs from the scan result 1616 * @ies_len: Length of the ies buffer 1617 * Returns: 0 to continue or 1 to stop scan result indication 1618 * 1619 * This function is called to indicate a scan result entry with P2P IE from a 1620 * scan requested with struct p2p_config::p2p_scan(). This can be called during 1621 * the actual scan process (i.e., whenever a new device is found) or as a 1622 * sequence of calls after the full scan has been completed. The former option 1623 * can result in optimized operations, but may not be supported by all 1624 * driver/firmware designs. The ies buffer need to include at least the P2P IE, 1625 * but it is recommended to include all IEs received from the device. The 1626 * caller does not need to check that the IEs contain a P2P IE before calling 1627 * this function since frames will be filtered internally if needed. 1628 * 1629 * This function will return 1 if it wants to stop scan result iteration (and 1630 * scan in general if it is still in progress). This is used to allow faster 1631 * start of a pending operation, e.g., to start a pending GO negotiation. 1632 */ 1633 int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq, 1634 struct os_reltime *rx_time, int level, const u8 *ies, 1635 size_t ies_len); 1636 1637 /** 1638 * p2p_scan_res_handled - Indicate end of scan results 1639 * @p2p: P2P module context from p2p_init() 1640 * @delay: Search delay for next scan in ms 1641 * 1642 * This function is called to indicate that all P2P scan results from a scan 1643 * have been reported with zero or more calls to p2p_scan_res_handler(). This 1644 * function must be called as a response to successful 1645 * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler() 1646 * calls stopped iteration. 1647 */ 1648 void p2p_scan_res_handled(struct p2p_data *p2p, unsigned int delay); 1649 1650 enum p2p_send_action_result { 1651 P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */, 1652 P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */, 1653 P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */ 1654 }; 1655 1656 /** 1657 * p2p_send_action_cb - Notify TX status of an Action frame 1658 * @p2p: P2P module context from p2p_init() 1659 * @freq: Channel frequency in MHz 1660 * @dst: Destination MAC address (Address 1) 1661 * @src: Source MAC address (Address 2) 1662 * @bssid: BSSID (Address 3) 1663 * @result: Result of the transmission attempt 1664 * 1665 * This function is used to indicate the result of an Action frame transmission 1666 * that was requested with struct p2p_config::send_action() callback. 1667 */ 1668 void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 1669 const u8 *src, const u8 *bssid, 1670 enum p2p_send_action_result result); 1671 1672 /** 1673 * p2p_listen_cb - Indicate the start of a requested Listen state 1674 * @p2p: P2P module context from p2p_init() 1675 * @freq: Listen channel frequency in MHz 1676 * @duration: Duration for the Listen state in milliseconds 1677 * 1678 * This function is used to indicate that a Listen state requested with 1679 * struct p2p_config::start_listen() callback has started. 1680 */ 1681 void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq, 1682 unsigned int duration); 1683 1684 /** 1685 * p2p_listen_end - Indicate the end of a requested Listen state 1686 * @p2p: P2P module context from p2p_init() 1687 * @freq: Listen channel frequency in MHz 1688 * Returns: 0 if no operations were started, 1 if an operation was started 1689 * 1690 * This function is used to indicate that a Listen state requested with 1691 * struct p2p_config::start_listen() callback has ended. 1692 */ 1693 int p2p_listen_end(struct p2p_data *p2p, unsigned int freq); 1694 1695 void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code, 1696 const u8 *ie, size_t ie_len); 1697 1698 void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code, 1699 const u8 *ie, size_t ie_len); 1700 1701 1702 /* Per-group P2P state for GO */ 1703 1704 struct p2p_group; 1705 1706 /** 1707 * struct p2p_group_config - P2P group configuration 1708 * 1709 * This configuration is provided to the P2P module during initialization of 1710 * the per-group information with p2p_group_init(). 1711 */ 1712 struct p2p_group_config { 1713 /** 1714 * persistent_group - Whether the group is persistent 1715 * 0 = not a persistent group 1716 * 1 = persistent group without persistent reconnect 1717 * 2 = persistent group with persistent reconnect 1718 */ 1719 int persistent_group; 1720 1721 /** 1722 * interface_addr - P2P Interface Address of the group 1723 */ 1724 u8 interface_addr[ETH_ALEN]; 1725 1726 /** 1727 * max_clients - Maximum number of clients in the group 1728 */ 1729 unsigned int max_clients; 1730 1731 /** 1732 * ssid - Group SSID 1733 */ 1734 u8 ssid[SSID_MAX_LEN]; 1735 1736 /** 1737 * ssid_len - Length of SSID 1738 */ 1739 size_t ssid_len; 1740 1741 /** 1742 * freq - Operating channel of the group 1743 */ 1744 int freq; 1745 1746 /** 1747 * ip_addr_alloc - Whether IP address allocation within 4-way handshake 1748 * is supported 1749 */ 1750 int ip_addr_alloc; 1751 1752 /** 1753 * cb_ctx - Context to use with callback functions 1754 */ 1755 void *cb_ctx; 1756 1757 /** 1758 * ie_update - Notification of IE update 1759 * @ctx: Callback context from cb_ctx 1760 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change 1761 * @proberesp_ies: P2P Ie for Probe Response frames 1762 * 1763 * P2P module uses this callback function to notify whenever the P2P IE 1764 * in Beacon or Probe Response frames should be updated based on group 1765 * events. 1766 * 1767 * The callee is responsible for freeing the returned buffer(s) with 1768 * wpabuf_free(). 1769 */ 1770 void (*ie_update)(void *ctx, struct wpabuf *beacon_ies, 1771 struct wpabuf *proberesp_ies); 1772 1773 /** 1774 * idle_update - Notification of changes in group idle state 1775 * @ctx: Callback context from cb_ctx 1776 * @idle: Whether the group is idle (no associated stations) 1777 */ 1778 void (*idle_update)(void *ctx, int idle); 1779 }; 1780 1781 /** 1782 * p2p_group_init - Initialize P2P group 1783 * @p2p: P2P module context from p2p_init() 1784 * @config: P2P group configuration (will be freed by p2p_group_deinit()) 1785 * Returns: Pointer to private data or %NULL on failure 1786 * 1787 * This function is used to initialize per-group P2P module context. Currently, 1788 * this is only used to manage GO functionality and P2P clients do not need to 1789 * create an instance of this per-group information. 1790 */ 1791 struct p2p_group * p2p_group_init(struct p2p_data *p2p, 1792 struct p2p_group_config *config); 1793 1794 /** 1795 * p2p_group_deinit - Deinitialize P2P group 1796 * @group: P2P group context from p2p_group_init() 1797 */ 1798 void p2p_group_deinit(struct p2p_group *group); 1799 1800 /** 1801 * p2p_group_notif_assoc - Notification of P2P client association with GO 1802 * @group: P2P group context from p2p_group_init() 1803 * @addr: Interface address of the P2P client 1804 * @ie: IEs from the (Re)association Request frame 1805 * @len: Length of the ie buffer in octets 1806 * Returns: 0 on success, -1 on failure 1807 */ 1808 int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr, 1809 const u8 *ie, size_t len); 1810 1811 /** 1812 * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response 1813 * @group: P2P group context from p2p_group_init() 1814 * @status: Status value (P2P_SC_SUCCESS if association succeeded) 1815 * Returns: P2P IE for (Re)association Response or %NULL on failure 1816 * 1817 * The caller is responsible for freeing the returned buffer with 1818 * wpabuf_free(). 1819 */ 1820 struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status); 1821 1822 /** 1823 * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO 1824 * @group: P2P group context from p2p_group_init() 1825 * @addr: Interface address of the P2P client 1826 */ 1827 void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr); 1828 1829 /** 1830 * p2p_group_notif_formation_done - Notification of completed group formation 1831 * @group: P2P group context from p2p_group_init() 1832 */ 1833 void p2p_group_notif_formation_done(struct p2p_group *group); 1834 1835 /** 1836 * p2p_group_notif_noa - Notification of NoA change 1837 * @group: P2P group context from p2p_group_init() 1838 * @noa: Notice of Absence attribute payload, %NULL if none 1839 * @noa_len: Length of noa buffer in octets 1840 * Returns: 0 on success, -1 on failure 1841 * 1842 * Notify the P2P group management about a new NoA contents. This will be 1843 * inserted into the P2P IEs in Beacon and Probe Response frames with rest of 1844 * the group information. 1845 */ 1846 int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa, 1847 size_t noa_len); 1848 1849 /** 1850 * p2p_group_match_dev_type - Match device types in group with requested type 1851 * @group: P2P group context from p2p_group_init() 1852 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs) 1853 * Returns: 1 on match, 0 on mismatch 1854 * 1855 * This function can be used to match the Requested Device Type attribute in 1856 * WPS IE with the device types of a group member for deciding whether a GO 1857 * should reply to a Probe Request frame. Match will be reported if the WPS IE 1858 * is not requested any specific device type. 1859 */ 1860 int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps); 1861 1862 /** 1863 * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id 1864 */ 1865 int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p); 1866 1867 /** 1868 * p2p_group_go_discover - Send GO Discoverability Request to a group client 1869 * @group: P2P group context from p2p_group_init() 1870 * Returns: 0 on success (frame scheduled); -1 if client was not found 1871 */ 1872 int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id, 1873 const u8 *searching_dev, int rx_freq); 1874 1875 1876 /* Generic helper functions */ 1877 1878 /** 1879 * p2p_ie_text - Build text format description of P2P IE 1880 * @p2p_ie: P2P IE 1881 * @buf: Buffer for returning text 1882 * @end: Pointer to the end of the buf area 1883 * Returns: Number of octets written to the buffer or -1 on failure 1884 * 1885 * This function can be used to parse P2P IE contents into text format 1886 * field=value lines. 1887 */ 1888 int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end); 1889 1890 /** 1891 * p2p_scan_result_text - Build text format description of P2P IE 1892 * @ies: Information elements from scan results 1893 * @ies_len: ies buffer length in octets 1894 * @buf: Buffer for returning text 1895 * @end: Pointer to the end of the buf area 1896 * Returns: Number of octets written to the buffer or -1 on failure 1897 * 1898 * This function can be used to parse P2P IE contents into text format 1899 * field=value lines. 1900 */ 1901 int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end); 1902 1903 /** 1904 * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated 1905 * P2P IE 1906 * @p2p_ie: P2P IE 1907 * @dev_addr: Buffer for returning P2P Device Address 1908 * Returns: 0 on success or -1 if P2P Device Address could not be parsed 1909 */ 1910 int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr); 1911 1912 /** 1913 * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s) 1914 * @ies: Information elements from scan results 1915 * @ies_len: ies buffer length in octets 1916 * @dev_addr: Buffer for returning P2P Device Address 1917 * Returns: 0 on success or -1 if P2P Device Address could not be parsed 1918 */ 1919 int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr); 1920 1921 /** 1922 * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame 1923 * @p2p: P2P module context from p2p_init() 1924 * @bssid: BSSID 1925 * @buf: Buffer for writing the P2P IE 1926 * @len: Maximum buf length in octets 1927 * @p2p_group: Whether this is for association with a P2P GO 1928 * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none 1929 * Returns: Number of octets written into buf or -1 on failure 1930 */ 1931 int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf, 1932 size_t len, int p2p_group, struct wpabuf *p2p_ie); 1933 1934 /** 1935 * p2p_scan_ie - Build P2P IE for Probe Request 1936 * @p2p: P2P module context from p2p_init() 1937 * @ies: Buffer for writing P2P IE 1938 * @dev_id: Device ID to search for or %NULL for any 1939 * @bands: Frequency bands used in the scan (enum wpa_radio_work_band bitmap) 1940 */ 1941 void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id, 1942 unsigned int bands); 1943 1944 /** 1945 * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie 1946 * @p2p: P2P module context from p2p_init() 1947 * Returns: Number of octets that p2p_scan_ie() may add to the buffer 1948 */ 1949 size_t p2p_scan_ie_buf_len(struct p2p_data *p2p); 1950 1951 /** 1952 * p2p_go_params - Generate random P2P group parameters 1953 * @p2p: P2P module context from p2p_init() 1954 * @params: Buffer for parameters 1955 * Returns: 0 on success, -1 on failure 1956 */ 1957 int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params); 1958 1959 /** 1960 * p2p_get_group_capab - Get Group Capability from P2P IE data 1961 * @p2p_ie: P2P IE(s) contents 1962 * Returns: Group Capability 1963 */ 1964 u8 p2p_get_group_capab(const struct wpabuf *p2p_ie); 1965 1966 /** 1967 * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection 1968 * @p2p_ie: P2P IE(s) contents 1969 * Returns: 0 if cross connection is allow, 1 if not 1970 */ 1971 int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie); 1972 1973 /** 1974 * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data 1975 * @p2p_ie: P2P IE(s) contents 1976 * Returns: Pointer to P2P Device Address or %NULL if not included 1977 */ 1978 const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie); 1979 1980 /** 1981 * p2p_get_peer_info - Get P2P peer information 1982 * @p2p: P2P module context from p2p_init() 1983 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer 1984 * @next: Whether to select the peer entry following the one indicated by addr 1985 * Returns: Pointer to peer info or %NULL if not found 1986 */ 1987 const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p, 1988 const u8 *addr, int next); 1989 1990 /** 1991 * p2p_get_peer_info_txt - Get internal P2P peer information in text format 1992 * @info: Pointer to P2P peer info from p2p_get_peer_info() 1993 * @buf: Buffer for returning text 1994 * @buflen: Maximum buffer length 1995 * Returns: Number of octets written to the buffer or -1 on failure 1996 * 1997 * Note: This information is internal to the P2P module and subject to change. 1998 * As such, this should not really be used by external programs for purposes 1999 * other than debugging. 2000 */ 2001 int p2p_get_peer_info_txt(const struct p2p_peer_info *info, 2002 char *buf, size_t buflen); 2003 2004 /** 2005 * p2p_peer_known - Check whether P2P peer is known 2006 * @p2p: P2P module context from p2p_init() 2007 * @addr: P2P Device Address of the peer 2008 * Returns: 1 if the specified device is in the P2P peer table or 0 if not 2009 */ 2010 int p2p_peer_known(struct p2p_data *p2p, const u8 *addr); 2011 2012 /** 2013 * p2p_set_client_discoverability - Set client discoverability capability 2014 * @p2p: P2P module context from p2p_init() 2015 * @enabled: Whether client discoverability will be enabled 2016 * 2017 * This function can be used to disable (and re-enable) client discoverability. 2018 * This capability is enabled by default and should not be disabled in normal 2019 * use cases, i.e., this is mainly for testing purposes. 2020 */ 2021 void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled); 2022 2023 /** 2024 * p2p_set_managed_oper - Set managed P2P Device operations capability 2025 * @p2p: P2P module context from p2p_init() 2026 * @enabled: Whether managed P2P Device operations will be enabled 2027 */ 2028 void p2p_set_managed_oper(struct p2p_data *p2p, int enabled); 2029 2030 /** 2031 * p2p_config_get_random_social - Return a random social channel 2032 * @p2p: P2P config 2033 * @op_class: Selected operating class 2034 * @op_channel: Selected social channel 2035 * @avoid_list: Channel ranges to try to avoid or %NULL 2036 * @disallow_list: Channel ranges to discard or %NULL 2037 * Returns: 0 on success, -1 on failure 2038 * 2039 * This function is used before p2p_init is called. A random social channel 2040 * from supports bands 2.4 GHz (channels 1,6,11) and 60 GHz (channel 2) is 2041 * returned on success. 2042 */ 2043 int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class, 2044 u8 *op_channel, 2045 struct wpa_freq_range_list *avoid_list, 2046 struct wpa_freq_range_list *disallow_list); 2047 2048 int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel, 2049 u8 forced); 2050 2051 u8 p2p_get_listen_channel(struct p2p_data *p2p); 2052 2053 int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len); 2054 2055 int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr, 2056 u8 *iface_addr); 2057 int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr, 2058 u8 *dev_addr); 2059 2060 void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr); 2061 2062 /** 2063 * p2p_set_cross_connect - Set cross connection capability 2064 * @p2p: P2P module context from p2p_init() 2065 * @enabled: Whether cross connection will be enabled 2066 */ 2067 void p2p_set_cross_connect(struct p2p_data *p2p, int enabled); 2068 2069 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr); 2070 2071 /** 2072 * p2p_set_intra_bss_dist - Set intra BSS distribution 2073 * @p2p: P2P module context from p2p_init() 2074 * @enabled: Whether intra BSS distribution will be enabled 2075 */ 2076 void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled); 2077 2078 int p2p_channels_includes_freq(const struct p2p_channels *channels, 2079 unsigned int freq); 2080 2081 int p2p_channels_to_freqs(const struct p2p_channels *channels, 2082 int *freq_list, unsigned int max_len); 2083 2084 /** 2085 * p2p_supported_freq - Check whether channel is supported for P2P 2086 * @p2p: P2P module context from p2p_init() 2087 * @freq: Channel frequency in MHz 2088 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P 2089 */ 2090 int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq); 2091 2092 /** 2093 * p2p_supported_freq_go - Check whether channel is supported for P2P GO operation 2094 * @p2p: P2P module context from p2p_init() 2095 * @freq: Channel frequency in MHz 2096 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P 2097 */ 2098 int p2p_supported_freq_go(struct p2p_data *p2p, unsigned int freq); 2099 2100 /** 2101 * p2p_supported_freq_cli - Check whether channel is supported for P2P client operation 2102 * @p2p: P2P module context from p2p_init() 2103 * @freq: Channel frequency in MHz 2104 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P 2105 */ 2106 int p2p_supported_freq_cli(struct p2p_data *p2p, unsigned int freq); 2107 2108 /** 2109 * p2p_get_pref_freq - Get channel from preferred channel list 2110 * @p2p: P2P module context from p2p_init() 2111 * @channels: List of channels 2112 * Returns: Preferred channel 2113 */ 2114 unsigned int p2p_get_pref_freq(struct p2p_data *p2p, 2115 const struct p2p_channels *channels); 2116 2117 void p2p_update_channel_list(struct p2p_data *p2p, 2118 const struct p2p_channels *chan, 2119 const struct p2p_channels *cli_chan); 2120 2121 bool is_p2p_6ghz_disabled(struct p2p_data *p2p); 2122 bool is_p2p_dfs_chan_enabled(struct p2p_data *p2p); 2123 2124 /** 2125 * p2p_set_best_channels - Update best channel information 2126 * @p2p: P2P module context from p2p_init() 2127 * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band 2128 * @freq_5: Frequency (MHz) of best channel in 5 GHz band 2129 * @freq_overall: Frequency (MHz) of best channel overall 2130 */ 2131 void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5, 2132 int freq_overall); 2133 2134 /** 2135 * p2p_set_own_freq_preference - Set own preference for channel 2136 * @p2p: P2P module context from p2p_init() 2137 * @freq: Frequency (MHz) of the preferred channel or 0 if no preference 2138 * 2139 * This function can be used to set a preference on the operating channel based 2140 * on frequencies used on the other virtual interfaces that share the same 2141 * radio. If non-zero, this is used to try to avoid multi-channel concurrency. 2142 */ 2143 void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq); 2144 2145 const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p); 2146 2147 /** 2148 * p2p_get_group_num_members - Get number of members in group 2149 * @group: P2P group context from p2p_group_init() 2150 * Returns: Number of members in the group 2151 */ 2152 unsigned int p2p_get_group_num_members(struct p2p_group *group); 2153 2154 /** 2155 * p2p_client_limit_reached - Check if client limit is reached 2156 * @group: P2P group context from p2p_group_init() 2157 * Returns: 1 if no of clients limit reached 2158 */ 2159 int p2p_client_limit_reached(struct p2p_group *group); 2160 2161 /** 2162 * p2p_iterate_group_members - Iterate group members 2163 * @group: P2P group context from p2p_group_init() 2164 * @next: iteration pointer, must be a pointer to a void * that is set to %NULL 2165 * on the first call and not modified later 2166 * Returns: A P2P Device Address for each call and %NULL for no more members 2167 */ 2168 const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next); 2169 2170 /** 2171 * p2p_group_get_client_interface_addr - Get P2P Interface Address of a client in a group 2172 * @group: P2P group context from p2p_group_init() 2173 * @dev_addr: P2P Device Address of the client 2174 * Returns: P2P Interface Address of the client if found or %NULL if no match 2175 * found 2176 */ 2177 const u8 * p2p_group_get_client_interface_addr(struct p2p_group *group, 2178 const u8 *dev_addr); 2179 2180 /** 2181 * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group 2182 * @group: P2P group context from p2p_group_init() 2183 * @addr: P2P Interface Address of the client 2184 * Returns: P2P Device Address of the client if found or %NULL if no match 2185 * found 2186 */ 2187 const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr); 2188 2189 /** 2190 * p2p_group_is_client_connected - Check whether a specific client is connected 2191 * @group: P2P group context from p2p_group_init() 2192 * @addr: P2P Device Address of the client 2193 * Returns: 1 if client is connected or 0 if not 2194 */ 2195 int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr); 2196 2197 /** 2198 * p2p_group_get_config - Get the group configuration 2199 * @group: P2P group context from p2p_group_init() 2200 * Returns: The group configuration pointer 2201 */ 2202 const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group); 2203 2204 /** 2205 * p2p_loop_on_all_groups - Run the given callback on all groups 2206 * @p2p: P2P module context from p2p_init() 2207 * @group_callback: The callback function pointer 2208 * @user_data: Some user data pointer which can be %NULL 2209 * 2210 * The group_callback function can stop the iteration by returning 0. 2211 */ 2212 void p2p_loop_on_all_groups(struct p2p_data *p2p, 2213 int (*group_callback)(struct p2p_group *group, 2214 void *user_data), 2215 void *user_data); 2216 2217 /** 2218 * p2p_get_peer_found - Get P2P peer info structure of a found peer 2219 * @p2p: P2P module context from p2p_init() 2220 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer 2221 * @next: Whether to select the peer entry following the one indicated by addr 2222 * Returns: The first P2P peer info available or %NULL if no such peer exists 2223 */ 2224 const struct p2p_peer_info * 2225 p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next); 2226 2227 /** 2228 * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions 2229 * @p2p: P2P module context from p2p_init() 2230 */ 2231 void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p); 2232 2233 /** 2234 * p2p_add_wps_vendor_extension - Add a WPS vendor extension 2235 * @p2p: P2P module context from p2p_init() 2236 * @vendor_ext: The vendor extensions to add 2237 * Returns: 0 on success, -1 on failure 2238 * 2239 * The wpabuf structures in the array are owned by the P2P 2240 * module after this call. 2241 */ 2242 int p2p_add_wps_vendor_extension(struct p2p_data *p2p, 2243 const struct wpabuf *vendor_ext); 2244 2245 /** 2246 * p2p_set_oper_channel - Set the P2P operating channel 2247 * @p2p: P2P module context from p2p_init() 2248 * @op_reg_class: Operating regulatory class to set 2249 * @op_channel: operating channel to set 2250 * @cfg_op_channel : Whether op_channel is hardcoded in configuration 2251 * Returns: 0 on success, -1 on failure 2252 */ 2253 int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel, 2254 int cfg_op_channel); 2255 2256 /** 2257 * p2p_set_pref_chan - Set P2P preferred channel list 2258 * @p2p: P2P module context from p2p_init() 2259 * @num_pref_chan: Number of entries in pref_chan list 2260 * @pref_chan: Preferred channels or %NULL to remove preferences 2261 * Returns: 0 on success, -1 on failure 2262 */ 2263 int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan, 2264 const struct p2p_channel *pref_chan); 2265 2266 /** 2267 * p2p_set_no_go_freq - Set no GO channel ranges 2268 * @p2p: P2P module context from p2p_init() 2269 * @list: Channel ranges or %NULL to remove restriction 2270 * Returns: 0 on success, -1 on failure 2271 */ 2272 int p2p_set_no_go_freq(struct p2p_data *p2p, 2273 const struct wpa_freq_range_list *list); 2274 2275 /** 2276 * p2p_in_progress - Check whether a P2P operation is progress 2277 * @p2p: P2P module context from p2p_init() 2278 * Returns: 0 if P2P module is idle, 1 if an operation is in progress but not 2279 * in search state, or 2 if search state operation is in progress 2280 */ 2281 int p2p_in_progress(struct p2p_data *p2p); 2282 2283 const char * p2p_wps_method_text(enum p2p_wps_method method); 2284 2285 /** 2286 * p2p_set_config_timeout - Set local config timeouts 2287 * @p2p: P2P module context from p2p_init() 2288 * @go_timeout: Time in 10 ms units it takes to start the GO mode 2289 * @client_timeout: Time in 10 ms units it takes to start the client mode 2290 */ 2291 void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout, 2292 u8 client_timeout); 2293 2294 int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie); 2295 int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie); 2296 int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie); 2297 int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie); 2298 int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie); 2299 int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie); 2300 int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie); 2301 int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie); 2302 int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem); 2303 int p2p_set_wfd_r2_dev_info(struct p2p_data *p2p, const struct wpabuf *elem); 2304 int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem); 2305 int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p, 2306 const struct wpabuf *elem); 2307 struct wpabuf * wifi_display_encaps(struct wpabuf *subelems); 2308 2309 /** 2310 * p2p_set_disc_int - Set min/max discoverable interval for p2p_find 2311 * @p2p: P2P module context from p2p_init() 2312 * @min_disc_int: minDiscoverableInterval (in units of 100 TU); default 1 2313 * @max_disc_int: maxDiscoverableInterval (in units of 100 TU); default 3 2314 * @max_disc_tu: Maximum number of TUs (1.024 ms) for discoverable interval; or 2315 * -1 not to limit 2316 * Returns: 0 on success, or -1 on failure 2317 * 2318 * This function can be used to configure minDiscoverableInterval and 2319 * maxDiscoverableInterval parameters for the Listen state during device 2320 * discovery (p2p_find). A random number of 100 TU units is picked for each 2321 * Listen state iteration from [min_disc_int,max_disc_int] range. 2322 * 2323 * max_disc_tu can be used to further limit the discoverable duration. However, 2324 * it should be noted that use of this parameter is not recommended since it 2325 * would not be compliant with the P2P specification. 2326 */ 2327 int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int, 2328 int max_disc_tu); 2329 2330 /** 2331 * p2p_get_state_txt - Get current P2P state for debug purposes 2332 * @p2p: P2P module context from p2p_init() 2333 * Returns: Name of the current P2P module state 2334 * 2335 * It should be noted that the P2P module state names are internal information 2336 * and subject to change at any point, i.e., this information should be used 2337 * mainly for debugging purposes. 2338 */ 2339 const char * p2p_get_state_txt(struct p2p_data *p2p); 2340 2341 struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p, 2342 int client_freq, 2343 const u8 *go_dev_addr, 2344 const u8 *ssid, size_t ssid_len); 2345 struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p, 2346 int client_freq, 2347 const u8 *go_dev_addr, 2348 const u8 *ssid, size_t ssid_len); 2349 2350 bool p2p_pref_freq_allowed(const struct weighted_pcl *freq_list, bool go); 2351 2352 struct p2p_nfc_params { 2353 int sel; 2354 const u8 *wsc_attr; 2355 size_t wsc_len; 2356 const u8 *p2p_attr; 2357 size_t p2p_len; 2358 2359 enum { 2360 NO_ACTION, JOIN_GROUP, AUTH_JOIN, INIT_GO_NEG, RESP_GO_NEG, 2361 BOTH_GO, PEER_CLIENT 2362 } next_step; 2363 struct p2p_peer_info *peer; 2364 u8 oob_dev_pw[WPS_OOB_PUBKEY_HASH_LEN + 2 + 2365 WPS_OOB_DEVICE_PASSWORD_LEN]; 2366 size_t oob_dev_pw_len; 2367 int go_freq; 2368 u8 go_dev_addr[ETH_ALEN]; 2369 u8 go_ssid[SSID_MAX_LEN]; 2370 size_t go_ssid_len; 2371 }; 2372 2373 int p2p_process_nfc_connection_handover(struct p2p_data *p2p, 2374 struct p2p_nfc_params *params); 2375 2376 void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id, 2377 int go_intent, 2378 const u8 *own_interface_addr); 2379 2380 int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len); 2381 2382 void p2p_loop_on_known_peers(struct p2p_data *p2p, 2383 void (*peer_callback)(struct p2p_peer_info *peer, 2384 void *user_data), 2385 void *user_data); 2386 2387 void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem); 2388 2389 void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr); 2390 2391 struct p2ps_advertisement * 2392 p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id); 2393 int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id, 2394 const char *adv_str, u8 svc_state, 2395 u16 config_methods, const char *svc_info, 2396 const u8 *cpt_priority); 2397 int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id); 2398 void p2p_service_flush_asp(struct p2p_data *p2p); 2399 struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p); 2400 2401 /** 2402 * p2p_expire_peers - Periodic cleanup function to expire peers 2403 * @p2p: P2P module context from p2p_init() 2404 * 2405 * This is a cleanup function that the entity calling p2p_init() is 2406 * expected to call periodically to clean up expired peer entries. 2407 */ 2408 void p2p_expire_peers(struct p2p_data *p2p); 2409 2410 void p2p_set_own_pref_freq_list(struct p2p_data *p2p, 2411 const struct weighted_pcl *pref_freq_list, 2412 unsigned int size); 2413 void p2p_set_override_pref_op_chan(struct p2p_data *p2p, u8 op_class, 2414 u8 chan); 2415 2416 /** 2417 * p2p_group_get_common_freqs - Get the group common frequencies 2418 * @group: P2P group context from p2p_group_init() 2419 * @common_freqs: On return will hold the group common frequencies 2420 * @num: On return will hold the number of group common frequencies 2421 * Returns: 0 on success, -1 otherwise 2422 */ 2423 int p2p_group_get_common_freqs(struct p2p_group *group, int *common_freqs, 2424 unsigned int *num); 2425 2426 struct wpabuf * p2p_build_probe_resp_template(struct p2p_data *p2p, 2427 unsigned int freq); 2428 2429 void p2p_set_6ghz_dev_capab(struct p2p_data *p2p, bool allow_6ghz); 2430 bool is_p2p_6ghz_capable(struct p2p_data *p2p); 2431 bool p2p_is_peer_6ghz_capab(struct p2p_data *p2p, const u8 *addr); 2432 bool p2p_peer_wfd_enabled(struct p2p_data *p2p, const u8 *peer_addr); 2433 bool p2p_wfd_enabled(struct p2p_data *p2p); 2434 bool is_p2p_allow_6ghz(struct p2p_data *p2p); 2435 void set_p2p_allow_6ghz(struct p2p_data *p2p, bool value); 2436 int p2p_remove_6ghz_channels(struct weighted_pcl *pref_freq_list, int size); 2437 int p2p_channel_to_freq(int op_class, int channel); 2438 2439 #endif /* P2P_H */ 2440