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