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 * pri_dev_type - Primary Device Type (see WPS) 512 */ 513 u8 pri_dev_type[8]; 514 515 /** 516 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types 517 */ 518 #define P2P_SEC_DEVICE_TYPES 5 519 520 /** 521 * sec_dev_type - Optional secondary device types 522 */ 523 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8]; 524 525 /** 526 * num_sec_dev_types - Number of sec_dev_type entries 527 */ 528 size_t num_sec_dev_types; 529 530 /** 531 * dev_addr - P2P Device Address 532 */ 533 u8 dev_addr[ETH_ALEN]; 534 535 /** 536 * dev_name - Device Name 537 */ 538 char *dev_name; 539 540 char *manufacturer; 541 char *model_name; 542 char *model_number; 543 char *serial_number; 544 545 u8 uuid[16]; 546 u16 config_methods; 547 548 /** 549 * concurrent_operations - Whether concurrent operations are supported 550 */ 551 int concurrent_operations; 552 553 /** 554 * max_peers - Maximum number of discovered peers to remember 555 * 556 * If more peers are discovered, older entries will be removed to make 557 * room for the new ones. 558 */ 559 size_t max_peers; 560 561 /** 562 * p2p_intra_bss - Intra BSS communication is supported 563 */ 564 int p2p_intra_bss; 565 566 /** 567 * ssid_postfix - Postfix data to add to the SSID 568 * 569 * This data will be added to the end of the SSID after the 570 * DIRECT-<random two octets> prefix. 571 */ 572 u8 ssid_postfix[SSID_MAX_LEN - 9]; 573 574 /** 575 * ssid_postfix_len - Length of the ssid_postfix data 576 */ 577 size_t ssid_postfix_len; 578 579 /** 580 * max_listen - Maximum listen duration in ms 581 */ 582 unsigned int max_listen; 583 584 /** 585 * passphrase_len - Passphrase length (8..63) 586 * 587 * This parameter controls the length of the random passphrase that is 588 * generated at the GO. 589 */ 590 unsigned int passphrase_len; 591 592 /** 593 * cb_ctx - Context to use with callback functions 594 */ 595 void *cb_ctx; 596 597 /** 598 * debug_print - Debug print 599 * @ctx: Callback context from cb_ctx 600 * @level: Debug verbosity level (MSG_*) 601 * @msg: Debug message 602 */ 603 void (*debug_print)(void *ctx, int level, const char *msg); 604 605 606 /* Callbacks to request lower layer driver operations */ 607 608 /** 609 * p2p_scan - Request a P2P scan/search 610 * @ctx: Callback context from cb_ctx 611 * @type: Scan type 612 * @freq: Specific frequency (MHz) to scan or 0 for no restriction 613 * @num_req_dev_types: Number of requested device types 614 * @req_dev_types: Array containing requested device types 615 * @dev_id: Device ID to search for or %NULL to find all devices 616 * @pw_id: Device Password ID 617 * @include_6ghz: Include 6 GHz channels in P2P scan 618 * Returns: 0 on success, -1 on failure 619 * 620 * This callback function is used to request a P2P scan or search 621 * operation to be completed. Type type argument specifies which type 622 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the 623 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL 624 * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC 625 * request a scan of a single channel specified by freq. 626 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels 627 * plus one extra channel specified by freq. 628 * 629 * The full scan is used for the initial scan to find group owners from 630 * all. The other types are used during search phase scan of the social 631 * channels (with potential variation if the Listen channel of the 632 * target peer is known or if other channels are scanned in steps). 633 * 634 * The scan results are returned after this call by calling 635 * p2p_scan_res_handler() for each scan result that has a P2P IE and 636 * then calling p2p_scan_res_handled() to indicate that all scan 637 * results have been indicated. 638 */ 639 int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq, 640 unsigned int num_req_dev_types, 641 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id, 642 bool include_6ghz); 643 644 /** 645 * send_probe_resp - Transmit a Probe Response frame 646 * @ctx: Callback context from cb_ctx 647 * @buf: Probe Response frame (including the header and body) 648 * @freq: Forced frequency (in MHz) to use or 0. 649 * Returns: 0 on success, -1 on failure 650 * 651 * This function is used to reply to Probe Request frames that were 652 * indicated with a call to p2p_probe_req_rx(). The response is to be 653 * sent on the same channel, unless otherwise specified, or to be 654 * dropped if the driver is not listening to Probe Request frames 655 * anymore. 656 * 657 * Alternatively, the responsibility for building the Probe Response 658 * frames in Listen state may be in another system component in which 659 * case this function need to be implemented (i.e., the function 660 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe 661 * Response frames in such a case are available from the 662 * start_listen() callback. It should be noted that the received Probe 663 * Request frames must be indicated by calling p2p_probe_req_rx() even 664 * if this send_probe_resp() is not used. 665 */ 666 int (*send_probe_resp)(void *ctx, const struct wpabuf *buf, 667 unsigned int freq); 668 669 /** 670 * send_action - Transmit an Action frame 671 * @ctx: Callback context from cb_ctx 672 * @freq: Frequency in MHz for the channel on which to transmit 673 * @dst: Destination MAC address (Address 1) 674 * @src: Source MAC address (Address 2) 675 * @bssid: BSSID (Address 3) 676 * @buf: Frame body (starting from Category field) 677 * @len: Length of buf in octets 678 * @wait_time: How many msec to wait for a response frame 679 * @scheduled: Return value indicating whether the transmissions was 680 * scheduled to happen once the radio is available 681 * Returns: 0 on success, -1 on failure 682 * 683 * The Action frame may not be transmitted immediately and the status 684 * of the transmission must be reported by calling 685 * p2p_send_action_cb() once the frame has either been transmitted or 686 * it has been dropped due to excessive retries or other failure to 687 * transmit. 688 */ 689 int (*send_action)(void *ctx, unsigned int freq, const u8 *dst, 690 const u8 *src, const u8 *bssid, const u8 *buf, 691 size_t len, unsigned int wait_time, int *scheduled); 692 693 /** 694 * send_action_done - Notify that Action frame sequence was completed 695 * @ctx: Callback context from cb_ctx 696 * 697 * This function is called when the Action frame sequence that was 698 * started with send_action() has been completed, i.e., when there is 699 * no need to wait for a response from the destination peer anymore. 700 */ 701 void (*send_action_done)(void *ctx); 702 703 /** 704 * start_listen - Start Listen state 705 * @ctx: Callback context from cb_ctx 706 * @freq: Frequency of the listen channel in MHz 707 * @duration: Duration for the Listen state in milliseconds 708 * @probe_resp_ie: IE(s) to be added to Probe Response frames 709 * Returns: 0 on success, -1 on failure 710 * 711 * This Listen state may not start immediately since the driver may 712 * have other pending operations to complete first. Once the Listen 713 * state has started, p2p_listen_cb() must be called to notify the P2P 714 * module. Once the Listen state is stopped, p2p_listen_end() must be 715 * called to notify the P2P module that the driver is not in the Listen 716 * state anymore. 717 * 718 * If the send_probe_resp() is not used for generating the response, 719 * the IEs from probe_resp_ie need to be added to the end of the Probe 720 * Response frame body. If send_probe_resp() is used, the probe_resp_ie 721 * information can be ignored. 722 */ 723 int (*start_listen)(void *ctx, unsigned int freq, 724 unsigned int duration, 725 const struct wpabuf *probe_resp_ie); 726 /** 727 * stop_listen - Stop Listen state 728 * @ctx: Callback context from cb_ctx 729 * 730 * This callback can be used to stop a Listen state operation that was 731 * previously requested with start_listen(). 732 */ 733 void (*stop_listen)(void *ctx); 734 735 /** 736 * get_noa - Get current Notice of Absence attribute payload 737 * @ctx: Callback context from cb_ctx 738 * @interface_addr: P2P Interface Address of the GO 739 * @buf: Buffer for returning NoA 740 * @buf_len: Buffer length in octets 741 * Returns: Number of octets used in buf, 0 to indicate no NoA is being 742 * advertized, or -1 on failure 743 * 744 * This function is used to fetch the current Notice of Absence 745 * attribute value from GO. 746 */ 747 int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf, 748 size_t buf_len); 749 750 /* Callbacks to notify events to upper layer management entity */ 751 752 /** 753 * dev_found - Notification of a found P2P Device 754 * @ctx: Callback context from cb_ctx 755 * @addr: Source address of the message triggering this notification 756 * @info: P2P peer information 757 * @new_device: Inform if the peer is newly found 758 * 759 * This callback is used to notify that a new P2P Device has been 760 * found. This may happen, e.g., during Search state based on scan 761 * results or during Listen state based on receive Probe Request and 762 * Group Owner Negotiation Request. 763 */ 764 void (*dev_found)(void *ctx, const u8 *addr, 765 const struct p2p_peer_info *info, 766 int new_device); 767 768 /** 769 * dev_lost - Notification of a lost P2P Device 770 * @ctx: Callback context from cb_ctx 771 * @dev_addr: P2P Device Address of the lost P2P Device 772 * 773 * This callback is used to notify that a P2P Device has been deleted. 774 */ 775 void (*dev_lost)(void *ctx, const u8 *dev_addr); 776 777 /** 778 * find_stopped - Notification of a p2p_find operation stopping 779 * @ctx: Callback context from cb_ctx 780 */ 781 void (*find_stopped)(void *ctx); 782 783 /** 784 * go_neg_req_rx - Notification of a receive GO Negotiation Request 785 * @ctx: Callback context from cb_ctx 786 * @src: Source address of the message triggering this notification 787 * @dev_passwd_id: WPS Device Password ID 788 * @go_intent: Peer's GO Intent 789 * 790 * This callback is used to notify that a P2P Device is requesting 791 * group owner negotiation with us, but we do not have all the 792 * necessary information to start GO Negotiation. This indicates that 793 * the local user has not authorized the connection yet by providing a 794 * PIN or PBC button press. This information can be provided with a 795 * call to p2p_connect(). 796 */ 797 void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id, 798 u8 go_intent); 799 800 /** 801 * go_neg_completed - Notification of GO Negotiation results 802 * @ctx: Callback context from cb_ctx 803 * @res: GO Negotiation results 804 * 805 * This callback is used to notify that Group Owner Negotiation has 806 * been completed. Non-zero struct p2p_go_neg_results::status indicates 807 * failed negotiation. In case of success, this function is responsible 808 * for creating a new group interface (or using the existing interface 809 * depending on driver features), setting up the group interface in 810 * proper mode based on struct p2p_go_neg_results::role_go and 811 * initializing WPS provisioning either as a Registrar (if GO) or as an 812 * Enrollee. Successful WPS provisioning must be indicated by calling 813 * p2p_wps_success_cb(). The callee is responsible for timing out group 814 * formation if WPS provisioning cannot be completed successfully 815 * within 15 seconds. 816 */ 817 void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res); 818 819 /** 820 * sd_request - Callback on Service Discovery Request 821 * @ctx: Callback context from cb_ctx 822 * @freq: Frequency (in MHz) of the channel 823 * @sa: Source address of the request 824 * @dialog_token: Dialog token 825 * @update_indic: Service Update Indicator from the source of request 826 * @tlvs: P2P Service Request TLV(s) 827 * @tlvs_len: Length of tlvs buffer in octets 828 * 829 * This callback is used to indicate reception of a service discovery 830 * request. Response to the query must be indicated by calling 831 * p2p_sd_response() with the context information from the arguments to 832 * this callback function. 833 * 834 * This callback handler can be set to %NULL to indicate that service 835 * discovery is not supported. 836 */ 837 void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token, 838 u16 update_indic, const u8 *tlvs, size_t tlvs_len); 839 840 /** 841 * sd_response - Callback on Service Discovery Response 842 * @ctx: Callback context from cb_ctx 843 * @sa: Source address of the request 844 * @update_indic: Service Update Indicator from the source of response 845 * @tlvs: P2P Service Response TLV(s) 846 * @tlvs_len: Length of tlvs buffer in octets 847 * 848 * This callback is used to indicate reception of a service discovery 849 * response. This callback handler can be set to %NULL if no service 850 * discovery requests are used. The information provided with this call 851 * is replies to the queries scheduled with p2p_sd_request(). 852 */ 853 void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic, 854 const u8 *tlvs, size_t tlvs_len); 855 856 /** 857 * prov_disc_req - Callback on Provisiong Discovery Request 858 * @ctx: Callback context from cb_ctx 859 * @peer: Source address of the request 860 * @config_methods: Requested WPS Config Method 861 * @dev_addr: P2P Device Address of the found P2P Device 862 * @pri_dev_type: Primary Device Type 863 * @dev_name: Device Name 864 * @supp_config_methods: Supported configuration Methods 865 * @dev_capab: Device Capabilities 866 * @group_capab: Group Capabilities 867 * @group_id: P2P Group ID (or %NULL if not included) 868 * @group_id_len: Length of P2P Group ID 869 * 870 * This callback is used to indicate reception of a Provision Discovery 871 * Request frame that the P2P module accepted. 872 */ 873 void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods, 874 const u8 *dev_addr, const u8 *pri_dev_type, 875 const char *dev_name, u16 supp_config_methods, 876 u8 dev_capab, u8 group_capab, 877 const u8 *group_id, size_t group_id_len); 878 879 /** 880 * prov_disc_resp - Callback on Provisiong Discovery Response 881 * @ctx: Callback context from cb_ctx 882 * @peer: Source address of the response 883 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure 884 * 885 * This callback is used to indicate reception of a Provision Discovery 886 * Response frame for a pending request scheduled with 887 * p2p_prov_disc_req(). This callback handler can be set to %NULL if 888 * provision discovery is not used. 889 */ 890 void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods); 891 892 /** 893 * prov_disc_fail - Callback on Provision Discovery failure 894 * @ctx: Callback context from cb_ctx 895 * @peer: Source address of the response 896 * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS 897 * @adv_id: If non-zero, then the adv_id of the PD Request 898 * @adv_mac: P2P Device Address of the advertizer 899 * @deferred_session_resp: Deferred session response sent by advertizer 900 * 901 * This callback is used to indicate either a failure or no response 902 * to an earlier provision discovery request. 903 * 904 * This callback handler can be set to %NULL if provision discovery 905 * is not used or failures do not need to be indicated. 906 */ 907 void (*prov_disc_fail)(void *ctx, const u8 *peer, 908 enum p2p_prov_disc_status status, 909 u32 adv_id, const u8 *adv_mac, 910 const char *deferred_session_resp); 911 912 /** 913 * invitation_process - Optional callback for processing Invitations 914 * @ctx: Callback context from cb_ctx 915 * @sa: Source address of the Invitation Request 916 * @bssid: P2P Group BSSID from the request or %NULL if not included 917 * @go_dev_addr: GO Device Address from P2P Group ID 918 * @ssid: SSID from P2P Group ID 919 * @ssid_len: Length of ssid buffer in octets 920 * @go: Variable for returning whether the local end is GO in the group 921 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO) 922 * @force_freq: Variable for returning forced frequency for the group 923 * @persistent_group: Whether this is an invitation to reinvoke a 924 * persistent group (instead of invitation to join an active 925 * group) 926 * @channels: Available operating channels for the group 927 * @dev_pw_id: Device Password ID for NFC static handover or -1 if not 928 * used 929 * Returns: Status code (P2P_SC_*) 930 * 931 * This optional callback can be used to implement persistent reconnect 932 * by allowing automatic restarting of persistent groups without user 933 * interaction. If this callback is not implemented (i.e., is %NULL), 934 * the received Invitation Request frames are replied with 935 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the 936 * invitation_result() callback. 937 * 938 * If the requested parameters are acceptable and the group is known, 939 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown, 940 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED 941 * can be returned if there is not enough data to provide immediate 942 * response, i.e., if some sort of user interaction is needed. The 943 * invitation_received() callback will be called in that case 944 * immediately after this call. 945 */ 946 u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid, 947 const u8 *go_dev_addr, const u8 *ssid, 948 size_t ssid_len, int *go, u8 *group_bssid, 949 int *force_freq, int persistent_group, 950 const struct p2p_channels *channels, 951 int dev_pw_id); 952 953 /** 954 * invitation_received - Callback on Invitation Request RX 955 * @ctx: Callback context from cb_ctx 956 * @sa: Source address of the Invitation Request 957 * @bssid: P2P Group BSSID or %NULL if not received 958 * @ssid: SSID of the group 959 * @ssid_len: Length of ssid in octets 960 * @go_dev_addr: GO Device Address 961 * @status: Response Status 962 * @op_freq: Operational frequency for the group 963 * 964 * This callback is used to indicate sending of an Invitation Response 965 * for a received Invitation Request. If status == 0 (success), the 966 * upper layer code is responsible for starting the group. status == 1 967 * indicates need to get user authorization for the group. Other status 968 * values indicate that the invitation request was rejected. 969 */ 970 void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid, 971 const u8 *ssid, size_t ssid_len, 972 const u8 *go_dev_addr, u8 status, 973 int op_freq); 974 975 /** 976 * invitation_result - Callback on Invitation result 977 * @ctx: Callback context from cb_ctx 978 * @status: Negotiation result (Status Code) 979 * @bssid: P2P Group BSSID or %NULL if not received 980 * @channels: Available operating channels for the group 981 * @addr: Peer address 982 * @freq: Frequency (in MHz) indicated during invitation or 0 983 * @peer_oper_freq: Operating frequency (in MHz) advertized by the peer 984 * during invitation or 0 985 * 986 * This callback is used to indicate result of an Invitation procedure 987 * started with a call to p2p_invite(). The indicated status code is 988 * the value received from the peer in Invitation Response with 0 989 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a 990 * local failure in transmitting the Invitation Request. 991 */ 992 void (*invitation_result)(void *ctx, int status, const u8 *bssid, 993 const struct p2p_channels *channels, 994 const u8 *addr, int freq, int peer_oper_freq); 995 996 /** 997 * go_connected - Check whether we are connected to a GO 998 * @ctx: Callback context from cb_ctx 999 * @dev_addr: P2P Device Address of a GO 1000 * Returns: 1 if we are connected as a P2P client to the specified GO 1001 * or 0 if not. 1002 */ 1003 int (*go_connected)(void *ctx, const u8 *dev_addr); 1004 1005 /** 1006 * presence_resp - Callback on Presence Response 1007 * @ctx: Callback context from cb_ctx 1008 * @src: Source address (GO's P2P Interface Address) 1009 * @status: Result of the request (P2P_SC_*) 1010 * @noa: Returned NoA value 1011 * @noa_len: Length of the NoA buffer in octets 1012 */ 1013 void (*presence_resp)(void *ctx, const u8 *src, u8 status, 1014 const u8 *noa, size_t noa_len); 1015 1016 /** 1017 * is_concurrent_session_active - Check whether concurrent session is 1018 * active on other virtual interfaces 1019 * @ctx: Callback context from cb_ctx 1020 * Returns: 1 if concurrent session is active on other virtual interface 1021 * or 0 if not. 1022 */ 1023 int (*is_concurrent_session_active)(void *ctx); 1024 1025 /** 1026 * is_p2p_in_progress - Check whether P2P operation is in progress 1027 * @ctx: Callback context from cb_ctx 1028 * Returns: 1 if P2P operation (e.g., group formation) is in progress 1029 * or 0 if not. 1030 */ 1031 int (*is_p2p_in_progress)(void *ctx); 1032 1033 /** 1034 * Determine if we have a persistent group we share with remote peer 1035 * and allocate interface for this group if needed 1036 * @ctx: Callback context from cb_ctx 1037 * @addr: Peer device address to search for 1038 * @ssid: Persistent group SSID or %NULL if any 1039 * @ssid_len: Length of @ssid 1040 * @go_dev_addr: Buffer for returning GO P2P Device Address 1041 * @ret_ssid: Buffer for returning group SSID 1042 * @ret_ssid_len: Buffer for returning length of @ssid 1043 * @intended_iface_addr: Buffer for returning intended iface address 1044 * Returns: 1 if a matching persistent group was found, 0 otherwise 1045 */ 1046 int (*get_persistent_group)(void *ctx, const u8 *addr, const u8 *ssid, 1047 size_t ssid_len, u8 *go_dev_addr, 1048 u8 *ret_ssid, size_t *ret_ssid_len, 1049 u8 *intended_iface_addr); 1050 1051 /** 1052 * Get information about a possible local GO role 1053 * @ctx: Callback context from cb_ctx 1054 * @intended_addr: Buffer for returning intended GO interface address 1055 * @ssid: Buffer for returning group SSID 1056 * @ssid_len: Buffer for returning length of @ssid 1057 * @group_iface: Buffer for returning whether a separate group interface 1058 * would be used 1059 * @freq: Variable for returning the current operating frequency of a 1060 * currently running P2P GO. 1061 * Returns: 1 if GO info found, 0 otherwise 1062 * 1063 * This is used to compose New Group settings (SSID, and intended 1064 * address) during P2PS provisioning if results of provisioning *might* 1065 * result in our being an autonomous GO. 1066 */ 1067 int (*get_go_info)(void *ctx, u8 *intended_addr, 1068 u8 *ssid, size_t *ssid_len, int *group_iface, 1069 unsigned int *freq); 1070 1071 /** 1072 * remove_stale_groups - Remove stale P2PS groups 1073 * 1074 * Because P2PS stages *potential* GOs, and remote devices can remove 1075 * credentials unilaterally, we need to make sure we don't let stale 1076 * unusable groups build up. 1077 */ 1078 int (*remove_stale_groups)(void *ctx, const u8 *peer, const u8 *go, 1079 const u8 *ssid, size_t ssid_len); 1080 1081 /** 1082 * p2ps_prov_complete - P2PS provisioning complete 1083 * 1084 * When P2PS provisioning completes (successfully or not) we must 1085 * transmit all of the results to the upper layers. 1086 */ 1087 void (*p2ps_prov_complete)(void *ctx, u8 status, const u8 *dev, 1088 const u8 *adv_mac, const u8 *ses_mac, 1089 const u8 *grp_mac, u32 adv_id, u32 ses_id, 1090 u8 conncap, int passwd_id, 1091 const u8 *persist_ssid, 1092 size_t persist_ssid_size, int response_done, 1093 int prov_start, const char *session_info, 1094 const u8 *feat_cap, size_t feat_cap_len, 1095 unsigned int freq, const u8 *group_ssid, 1096 size_t group_ssid_len); 1097 1098 /** 1099 * prov_disc_resp_cb - Callback for indicating completion of PD Response 1100 * @ctx: Callback context from cb_ctx 1101 * Returns: 1 if operation was started, 0 otherwise 1102 * 1103 * This callback can be used to perform any pending actions after 1104 * provisioning. It is mainly used for P2PS pending group creation. 1105 */ 1106 int (*prov_disc_resp_cb)(void *ctx); 1107 1108 /** 1109 * p2ps_group_capability - Determine group capability 1110 * @ctx: Callback context from cb_ctx 1111 * @incoming: Peer requested roles, expressed with P2PS_SETUP_* bitmap. 1112 * @role: Local roles, expressed with P2PS_SETUP_* bitmap. 1113 * @force_freq: Variable for returning forced frequency for the group. 1114 * @pref_freq: Variable for returning preferred frequency for the group. 1115 * Returns: P2PS_SETUP_* bitmap of group capability result. 1116 * 1117 * This function can be used to determine group capability and 1118 * frequencies based on information from P2PS PD exchange and the 1119 * current state of ongoing groups and driver capabilities. 1120 */ 1121 u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role, 1122 unsigned int *force_freq, 1123 unsigned int *pref_freq); 1124 1125 /** 1126 * get_pref_freq_list - Get preferred frequency list for an interface 1127 * @ctx: Callback context from cb_ctx 1128 * @go: Whether the use if for GO role 1129 * @len: Length of freq_list in entries (both IN and OUT) 1130 * @freq_list: Buffer for returning the preferred frequencies (MHz) 1131 * Returns: 0 on success, -1 on failure 1132 * 1133 * This function can be used to query the preferred frequency list from 1134 * the driver specific to a particular interface type. 1135 */ 1136 int (*get_pref_freq_list)(void *ctx, int go, 1137 unsigned int *len, 1138 struct weighted_pcl *freq_list); 1139 }; 1140 1141 1142 /* P2P module initialization/deinitialization */ 1143 1144 /** 1145 * p2p_init - Initialize P2P module 1146 * @cfg: P2P module configuration 1147 * Returns: Pointer to private data or %NULL on failure 1148 * 1149 * This function is used to initialize global P2P module context (one per 1150 * device). The P2P module will keep a copy of the configuration data, so the 1151 * caller does not need to maintain this structure. However, the callback 1152 * functions and the context parameters to them must be kept available until 1153 * the P2P module is deinitialized with p2p_deinit(). 1154 */ 1155 struct p2p_data * p2p_init(const struct p2p_config *cfg); 1156 1157 /** 1158 * p2p_deinit - Deinitialize P2P module 1159 * @p2p: P2P module context from p2p_init() 1160 */ 1161 void p2p_deinit(struct p2p_data *p2p); 1162 1163 /** 1164 * p2p_flush - Flush P2P module state 1165 * @p2p: P2P module context from p2p_init() 1166 * 1167 * This command removes the P2P module state like peer device entries. 1168 */ 1169 void p2p_flush(struct p2p_data *p2p); 1170 1171 /** 1172 * p2p_unauthorize - Unauthorize the specified peer device 1173 * @p2p: P2P module context from p2p_init() 1174 * @addr: P2P peer entry to be unauthorized 1175 * Returns: 0 on success, -1 on failure 1176 * 1177 * This command removes any connection authorization from the specified P2P 1178 * peer device address. This can be used, e.g., to cancel effect of a previous 1179 * p2p_authorize() or p2p_connect() call that has not yet resulted in completed 1180 * GO Negotiation. 1181 */ 1182 int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr); 1183 1184 /** 1185 * p2p_set_dev_name - Set device name 1186 * @p2p: P2P module context from p2p_init() 1187 * Returns: 0 on success, -1 on failure 1188 * 1189 * This function can be used to update the P2P module configuration with 1190 * information that was not available at the time of the p2p_init() call. 1191 */ 1192 int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name); 1193 1194 int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer); 1195 int p2p_set_model_name(struct p2p_data *p2p, const char *model_name); 1196 int p2p_set_model_number(struct p2p_data *p2p, const char *model_number); 1197 int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number); 1198 1199 void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods); 1200 void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid); 1201 1202 /** 1203 * p2p_set_pri_dev_type - Set primary device type 1204 * @p2p: P2P module context from p2p_init() 1205 * Returns: 0 on success, -1 on failure 1206 * 1207 * This function can be used to update the P2P module configuration with 1208 * information that was not available at the time of the p2p_init() call. 1209 */ 1210 int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type); 1211 1212 /** 1213 * p2p_set_sec_dev_types - Set secondary device types 1214 * @p2p: P2P module context from p2p_init() 1215 * Returns: 0 on success, -1 on failure 1216 * 1217 * This function can be used to update the P2P module configuration with 1218 * information that was not available at the time of the p2p_init() call. 1219 */ 1220 int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8], 1221 size_t num_dev_types); 1222 1223 int p2p_set_country(struct p2p_data *p2p, const char *country); 1224 1225 1226 /* Commands from upper layer management entity */ 1227 1228 enum p2p_discovery_type { 1229 P2P_FIND_START_WITH_FULL, 1230 P2P_FIND_ONLY_SOCIAL, 1231 P2P_FIND_PROGRESSIVE 1232 }; 1233 1234 /** 1235 * p2p_find - Start P2P Find (Device Discovery) 1236 * @p2p: P2P module context from p2p_init() 1237 * @timeout: Timeout for find operation in seconds or 0 for no timeout 1238 * @type: Device Discovery type 1239 * @num_req_dev_types: Number of requested device types 1240 * @req_dev_types: Requested device types array, must be an array 1241 * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no 1242 * requested device types. 1243 * @dev_id: Device ID to search for or %NULL to find all devices 1244 * @search_delay: Extra delay in milliseconds between search iterations 1245 * @seek_count: Number of ASP Service Strings in the seek_string array 1246 * @seek_string: ASP Service Strings to query for in Probe Requests 1247 * @freq: Requested first scan frequency (in MHz) to modify type == 1248 * P2P_FIND_START_WITH_FULL behavior. 0 = Use normal full scan. 1249 * If p2p_find is already in progress, this parameter is ignored and full 1250 * scan will be executed. 1251 * @include_6ghz: Include 6 GHz channels in P2P find 1252 * Returns: 0 on success, -1 on failure 1253 */ 1254 int p2p_find(struct p2p_data *p2p, unsigned int timeout, 1255 enum p2p_discovery_type type, 1256 unsigned int num_req_dev_types, const u8 *req_dev_types, 1257 const u8 *dev_id, unsigned int search_delay, 1258 u8 seek_count, const char **seek_string, int freq, 1259 bool include_6ghz); 1260 1261 /** 1262 * p2p_notify_scan_trigger_status - Indicate scan trigger status 1263 * @p2p: P2P module context from p2p_init() 1264 * @status: 0 on success, -1 on failure 1265 */ 1266 void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status); 1267 1268 /** 1269 * p2p_stop_find - Stop P2P Find (Device Discovery) 1270 * @p2p: P2P module context from p2p_init() 1271 */ 1272 void p2p_stop_find(struct p2p_data *p2p); 1273 1274 /** 1275 * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq 1276 * @p2p: P2P module context from p2p_init() 1277 * @freq: Frequency in MHz for next operation 1278 * 1279 * This is like p2p_stop_find(), but Listen state is not stopped if we are 1280 * already on the same frequency. 1281 */ 1282 void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq); 1283 1284 /** 1285 * p2p_listen - Start P2P Listen state for specified duration 1286 * @p2p: P2P module context from p2p_init() 1287 * @timeout: Listen state duration in milliseconds 1288 * Returns: 0 on success, -1 on failure 1289 * 1290 * This function can be used to request the P2P module to keep the device 1291 * discoverable on the listen channel for an extended set of time. At least in 1292 * its current form, this is mainly used for testing purposes and may not be of 1293 * much use for normal P2P operations. 1294 */ 1295 int p2p_listen(struct p2p_data *p2p, unsigned int timeout); 1296 1297 /** 1298 * p2p_stop_listen - Stop P2P Listen 1299 * @p2p: P2P module context from p2p_init() 1300 */ 1301 void p2p_stop_listen(struct p2p_data *p2p); 1302 1303 /** 1304 * p2p_connect - Start P2P group formation (GO negotiation) 1305 * @p2p: P2P module context from p2p_init() 1306 * @peer_addr: MAC address of the peer P2P client 1307 * @wps_method: WPS method to be used in provisioning 1308 * @go_intent: Local GO intent value (1..15) 1309 * @own_interface_addr: Intended interface address to use with the group 1310 * @force_freq: The only allowed channel frequency in MHz or 0 1311 * @persistent_group: Whether to create a persistent group (0 = no, 1 = 1312 * persistent group without persistent reconnect, 2 = persistent group with 1313 * persistent reconnect) 1314 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate 1315 * a new SSID 1316 * @force_ssid_len: Length of $force_ssid buffer 1317 * @pd_before_go_neg: Whether to send Provision Discovery prior to GO 1318 * Negotiation as an interoperability workaround when initiating group 1319 * formation 1320 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if 1321 * force_freq == 0) 1322 * Returns: 0 on success, -1 on failure 1323 */ 1324 int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr, 1325 enum p2p_wps_method wps_method, 1326 int go_intent, const u8 *own_interface_addr, 1327 unsigned int force_freq, int persistent_group, 1328 const u8 *force_ssid, size_t force_ssid_len, 1329 int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id); 1330 1331 /** 1332 * p2p_authorize - Authorize P2P group formation (GO negotiation) 1333 * @p2p: P2P module context from p2p_init() 1334 * @peer_addr: MAC address of the peer P2P client 1335 * @wps_method: WPS method to be used in provisioning 1336 * @go_intent: Local GO intent value (1..15) 1337 * @own_interface_addr: Intended interface address to use with the group 1338 * @force_freq: The only allowed channel frequency in MHz or 0 1339 * @persistent_group: Whether to create a persistent group (0 = no, 1 = 1340 * persistent group without persistent reconnect, 2 = persistent group with 1341 * persistent reconnect) 1342 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate 1343 * a new SSID 1344 * @force_ssid_len: Length of $force_ssid buffer 1345 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if 1346 * force_freq == 0) 1347 * Returns: 0 on success, -1 on failure 1348 * 1349 * This is like p2p_connect(), but the actual group negotiation is not 1350 * initiated automatically, i.e., the other end is expected to do that. 1351 */ 1352 int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr, 1353 enum p2p_wps_method wps_method, 1354 int go_intent, const u8 *own_interface_addr, 1355 unsigned int force_freq, int persistent_group, 1356 const u8 *force_ssid, size_t force_ssid_len, 1357 unsigned int pref_freq, u16 oob_pw_id); 1358 1359 /** 1360 * p2p_reject - Reject peer device (explicitly block connection attempts) 1361 * @p2p: P2P module context from p2p_init() 1362 * @peer_addr: MAC address of the peer P2P client 1363 * Returns: 0 on success, -1 on failure 1364 */ 1365 int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr); 1366 1367 /** 1368 * p2p_prov_disc_req - Send Provision Discovery Request 1369 * @p2p: P2P module context from p2p_init() 1370 * @peer_addr: MAC address of the peer P2P client 1371 * @p2ps_prov: Provisioning info for P2PS 1372 * @config_methods: WPS Config Methods value (only one bit set) 1373 * @join: Whether this is used by a client joining an active group 1374 * @force_freq: Forced TX frequency for the frame (mainly for the join case) 1375 * @user_initiated_pd: Flag to indicate if initiated by user or not 1376 * Returns: 0 on success, -1 on failure 1377 * 1378 * This function can be used to request a discovered P2P peer to display a PIN 1379 * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us 1380 * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame 1381 * is transmitted once immediately and if no response is received, the frame 1382 * will be sent again whenever the target device is discovered during device 1383 * dsicovery (start with a p2p_find() call). Response from the peer is 1384 * indicated with the p2p_config::prov_disc_resp() callback. 1385 */ 1386 int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr, 1387 struct p2ps_provision *p2ps_prov, u16 config_methods, 1388 int join, int force_freq, 1389 int user_initiated_pd); 1390 1391 /** 1392 * p2p_sd_request - Schedule a service discovery query 1393 * @p2p: P2P module context from p2p_init() 1394 * @dst: Destination peer or %NULL to apply for all peers 1395 * @tlvs: P2P Service Query TLV(s) 1396 * Returns: Reference to the query or %NULL on failure 1397 * 1398 * Response to the query is indicated with the p2p_config::sd_response() 1399 * callback. 1400 */ 1401 void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst, 1402 const struct wpabuf *tlvs); 1403 1404 #ifdef CONFIG_WIFI_DISPLAY 1405 void * p2p_sd_request_wfd(struct p2p_data *p2p, const u8 *dst, 1406 const struct wpabuf *tlvs); 1407 #endif /* CONFIG_WIFI_DISPLAY */ 1408 1409 /** 1410 * p2p_sd_cancel_request - Cancel a pending service discovery query 1411 * @p2p: P2P module context from p2p_init() 1412 * @req: Query reference from p2p_sd_request() 1413 * Returns: 0 if request for cancelled; -1 if not found 1414 */ 1415 int p2p_sd_cancel_request(struct p2p_data *p2p, void *req); 1416 1417 /** 1418 * p2p_sd_response - Send response to a service discovery query 1419 * @p2p: P2P module context from p2p_init() 1420 * @freq: Frequency from p2p_config::sd_request() callback 1421 * @dst: Destination address from p2p_config::sd_request() callback 1422 * @dialog_token: Dialog token from p2p_config::sd_request() callback 1423 * @resp_tlvs: P2P Service Response TLV(s) 1424 * 1425 * This function is called as a response to the request indicated with 1426 * p2p_config::sd_request() callback. 1427 */ 1428 void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst, 1429 u8 dialog_token, const struct wpabuf *resp_tlvs); 1430 1431 /** 1432 * p2p_sd_service_update - Indicate a change in local services 1433 * @p2p: P2P module context from p2p_init() 1434 * 1435 * This function needs to be called whenever there is a change in availability 1436 * of the local services. This will increment the Service Update Indicator 1437 * value which will be used in SD Request and Response frames. 1438 */ 1439 void p2p_sd_service_update(struct p2p_data *p2p); 1440 1441 1442 enum p2p_invite_role { 1443 P2P_INVITE_ROLE_GO, 1444 P2P_INVITE_ROLE_ACTIVE_GO, 1445 P2P_INVITE_ROLE_CLIENT 1446 }; 1447 1448 /** 1449 * p2p_invite - Invite a P2P Device into a group 1450 * @p2p: P2P module context from p2p_init() 1451 * @peer: Device Address of the peer P2P Device 1452 * @role: Local role in the group 1453 * @bssid: Group BSSID or %NULL if not known 1454 * @ssid: Group SSID 1455 * @ssid_len: Length of ssid in octets 1456 * @force_freq: The only allowed channel frequency in MHz or 0 1457 * @go_dev_addr: Forced GO Device Address or %NULL if none 1458 * @persistent_group: Whether this is to reinvoke a persistent group 1459 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if 1460 * force_freq == 0) 1461 * @dev_pw_id: Device Password ID from OOB Device Password (NFC) static handover 1462 * case or -1 if not used 1463 * Returns: 0 on success, -1 on failure 1464 */ 1465 int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role, 1466 const u8 *bssid, const u8 *ssid, size_t ssid_len, 1467 unsigned int force_freq, const u8 *go_dev_addr, 1468 int persistent_group, unsigned int pref_freq, int dev_pw_id); 1469 1470 /** 1471 * p2p_presence_req - Request GO presence 1472 * @p2p: P2P module context from p2p_init() 1473 * @go_interface_addr: GO P2P Interface Address 1474 * @own_interface_addr: Own P2P Interface Address for this group 1475 * @freq: Group operating frequence (in MHz) 1476 * @duration1: Preferred presence duration in microseconds 1477 * @interval1: Preferred presence interval in microseconds 1478 * @duration2: Acceptable presence duration in microseconds 1479 * @interval2: Acceptable presence interval in microseconds 1480 * Returns: 0 on success, -1 on failure 1481 * 1482 * If both duration and interval values are zero, the parameter pair is not 1483 * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0). 1484 */ 1485 int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr, 1486 const u8 *own_interface_addr, unsigned int freq, 1487 u32 duration1, u32 interval1, u32 duration2, 1488 u32 interval2); 1489 1490 /** 1491 * p2p_ext_listen - Set Extended Listen Timing 1492 * @p2p: P2P module context from p2p_init() 1493 * @freq: Group operating frequence (in MHz) 1494 * @period: Availability period in milliseconds (1-65535; 0 to disable) 1495 * @interval: Availability interval in milliseconds (1-65535; 0 to disable) 1496 * Returns: 0 on success, -1 on failure 1497 * 1498 * This function can be used to enable or disable (period = interval = 0) 1499 * Extended Listen Timing. When enabled, the P2P Device will become 1500 * discoverable (go into Listen State) every @interval milliseconds for at 1501 * least @period milliseconds. 1502 */ 1503 int p2p_ext_listen(struct p2p_data *p2p, unsigned int period, 1504 unsigned int interval); 1505 1506 /* Event notifications from upper layer management operations */ 1507 1508 /** 1509 * p2p_wps_success_cb - Report successfully completed WPS provisioning 1510 * @p2p: P2P module context from p2p_init() 1511 * @mac_addr: Peer address 1512 * 1513 * This function is used to report successfully completed WPS provisioning 1514 * during group formation in both GO/Registrar and client/Enrollee roles. 1515 */ 1516 void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr); 1517 1518 /** 1519 * p2p_group_formation_failed - Report failed WPS provisioning 1520 * @p2p: P2P module context from p2p_init() 1521 * 1522 * This function is used to report failed group formation. This can happen 1523 * either due to failed WPS provisioning or due to 15 second timeout during 1524 * the provisioning phase. 1525 */ 1526 void p2p_group_formation_failed(struct p2p_data *p2p); 1527 1528 /** 1529 * p2p_get_provisioning_info - Get any stored provisioning info 1530 * @p2p: P2P module context from p2p_init() 1531 * @addr: Peer P2P Device Address 1532 * Returns: WPS provisioning information (WPS config method) or 0 if no 1533 * information is available 1534 * 1535 * This function is used to retrieve stored WPS provisioning info for the given 1536 * peer. 1537 */ 1538 u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr); 1539 1540 /** 1541 * p2p_clear_provisioning_info - Clear any stored provisioning info 1542 * @p2p: P2P module context from p2p_init() 1543 * @iface_addr: Peer P2P Device Address 1544 * 1545 * This function is used to clear stored WPS provisioning info for the given 1546 * peer. 1547 */ 1548 void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr); 1549 1550 1551 /* Event notifications from lower layer driver operations */ 1552 1553 /** 1554 * enum p2p_probe_req_status 1555 * 1556 * @P2P_PREQ_MALFORMED: frame was not well-formed 1557 * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored 1558 * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request 1559 * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed 1560 * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P 1561 */ 1562 enum p2p_probe_req_status { 1563 P2P_PREQ_MALFORMED, 1564 P2P_PREQ_NOT_LISTEN, 1565 P2P_PREQ_NOT_P2P, 1566 P2P_PREQ_NOT_PROCESSED, 1567 P2P_PREQ_PROCESSED 1568 }; 1569 1570 /** 1571 * p2p_probe_req_rx - Report reception of a Probe Request frame 1572 * @p2p: P2P module context from p2p_init() 1573 * @addr: Source MAC address 1574 * @dst: Destination MAC address if available or %NULL 1575 * @bssid: BSSID if available or %NULL 1576 * @ie: Information elements from the Probe Request frame body 1577 * @ie_len: Length of ie buffer in octets 1578 * @rx_freq: Probe Request frame RX frequency 1579 * @p2p_lo_started: Whether P2P Listen Offload is started 1580 * Returns: value indicating the type and status of the probe request 1581 */ 1582 enum p2p_probe_req_status 1583 p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst, 1584 const u8 *bssid, const u8 *ie, size_t ie_len, 1585 unsigned int rx_freq, int p2p_lo_started); 1586 1587 /** 1588 * p2p_rx_action - Report received Action frame 1589 * @p2p: P2P module context from p2p_init() 1590 * @da: Destination address of the received Action frame 1591 * @sa: Source address of the received Action frame 1592 * @bssid: Address 3 of the received Action frame 1593 * @category: Category of the received Action frame 1594 * @data: Action frame body after the Category field 1595 * @len: Length of the data buffer in octets 1596 * @freq: Frequency (in MHz) on which the frame was received 1597 */ 1598 void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa, 1599 const u8 *bssid, u8 category, 1600 const u8 *data, size_t len, int freq); 1601 1602 /** 1603 * p2p_scan_res_handler - Indicate a P2P scan results 1604 * @p2p: P2P module context from p2p_init() 1605 * @bssid: BSSID of the scan result 1606 * @freq: Frequency of the channel on which the device was found in MHz 1607 * @rx_time: Time when the result was received 1608 * @level: Signal level (signal strength of the received Beacon/Probe Response 1609 * frame) 1610 * @ies: Pointer to IEs from the scan result 1611 * @ies_len: Length of the ies buffer 1612 * Returns: 0 to continue or 1 to stop scan result indication 1613 * 1614 * This function is called to indicate a scan result entry with P2P IE from a 1615 * scan requested with struct p2p_config::p2p_scan(). This can be called during 1616 * the actual scan process (i.e., whenever a new device is found) or as a 1617 * sequence of calls after the full scan has been completed. The former option 1618 * can result in optimized operations, but may not be supported by all 1619 * driver/firmware designs. The ies buffer need to include at least the P2P IE, 1620 * but it is recommended to include all IEs received from the device. The 1621 * caller does not need to check that the IEs contain a P2P IE before calling 1622 * this function since frames will be filtered internally if needed. 1623 * 1624 * This function will return 1 if it wants to stop scan result iteration (and 1625 * scan in general if it is still in progress). This is used to allow faster 1626 * start of a pending operation, e.g., to start a pending GO negotiation. 1627 */ 1628 int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq, 1629 struct os_reltime *rx_time, int level, const u8 *ies, 1630 size_t ies_len); 1631 1632 /** 1633 * p2p_scan_res_handled - Indicate end of scan results 1634 * @p2p: P2P module context from p2p_init() 1635 * @delay: Search delay for next scan in ms 1636 * 1637 * This function is called to indicate that all P2P scan results from a scan 1638 * have been reported with zero or more calls to p2p_scan_res_handler(). This 1639 * function must be called as a response to successful 1640 * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler() 1641 * calls stopped iteration. 1642 */ 1643 void p2p_scan_res_handled(struct p2p_data *p2p, unsigned int delay); 1644 1645 enum p2p_send_action_result { 1646 P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */, 1647 P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */, 1648 P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */ 1649 }; 1650 1651 /** 1652 * p2p_send_action_cb - Notify TX status of an Action frame 1653 * @p2p: P2P module context from p2p_init() 1654 * @freq: Channel frequency in MHz 1655 * @dst: Destination MAC address (Address 1) 1656 * @src: Source MAC address (Address 2) 1657 * @bssid: BSSID (Address 3) 1658 * @result: Result of the transmission attempt 1659 * 1660 * This function is used to indicate the result of an Action frame transmission 1661 * that was requested with struct p2p_config::send_action() callback. 1662 */ 1663 void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst, 1664 const u8 *src, const u8 *bssid, 1665 enum p2p_send_action_result result); 1666 1667 /** 1668 * p2p_listen_cb - Indicate the start of a requested Listen state 1669 * @p2p: P2P module context from p2p_init() 1670 * @freq: Listen channel frequency in MHz 1671 * @duration: Duration for the Listen state in milliseconds 1672 * 1673 * This function is used to indicate that a Listen state requested with 1674 * struct p2p_config::start_listen() callback has started. 1675 */ 1676 void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq, 1677 unsigned int duration); 1678 1679 /** 1680 * p2p_listen_end - Indicate the end of a requested Listen state 1681 * @p2p: P2P module context from p2p_init() 1682 * @freq: Listen channel frequency in MHz 1683 * Returns: 0 if no operations were started, 1 if an operation was started 1684 * 1685 * This function is used to indicate that a Listen state requested with 1686 * struct p2p_config::start_listen() callback has ended. 1687 */ 1688 int p2p_listen_end(struct p2p_data *p2p, unsigned int freq); 1689 1690 void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code, 1691 const u8 *ie, size_t ie_len); 1692 1693 void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code, 1694 const u8 *ie, size_t ie_len); 1695 1696 1697 /* Per-group P2P state for GO */ 1698 1699 struct p2p_group; 1700 1701 /** 1702 * struct p2p_group_config - P2P group configuration 1703 * 1704 * This configuration is provided to the P2P module during initialization of 1705 * the per-group information with p2p_group_init(). 1706 */ 1707 struct p2p_group_config { 1708 /** 1709 * persistent_group - Whether the group is persistent 1710 * 0 = not a persistent group 1711 * 1 = persistent group without persistent reconnect 1712 * 2 = persistent group with persistent reconnect 1713 */ 1714 int persistent_group; 1715 1716 /** 1717 * interface_addr - P2P Interface Address of the group 1718 */ 1719 u8 interface_addr[ETH_ALEN]; 1720 1721 /** 1722 * max_clients - Maximum number of clients in the group 1723 */ 1724 unsigned int max_clients; 1725 1726 /** 1727 * ssid - Group SSID 1728 */ 1729 u8 ssid[SSID_MAX_LEN]; 1730 1731 /** 1732 * ssid_len - Length of SSID 1733 */ 1734 size_t ssid_len; 1735 1736 /** 1737 * freq - Operating channel of the group 1738 */ 1739 int freq; 1740 1741 /** 1742 * ip_addr_alloc - Whether IP address allocation within 4-way handshake 1743 * is supported 1744 */ 1745 int ip_addr_alloc; 1746 1747 /** 1748 * cb_ctx - Context to use with callback functions 1749 */ 1750 void *cb_ctx; 1751 1752 /** 1753 * ie_update - Notification of IE update 1754 * @ctx: Callback context from cb_ctx 1755 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change 1756 * @proberesp_ies: P2P Ie for Probe Response frames 1757 * 1758 * P2P module uses this callback function to notify whenever the P2P IE 1759 * in Beacon or Probe Response frames should be updated based on group 1760 * events. 1761 * 1762 * The callee is responsible for freeing the returned buffer(s) with 1763 * wpabuf_free(). 1764 */ 1765 void (*ie_update)(void *ctx, struct wpabuf *beacon_ies, 1766 struct wpabuf *proberesp_ies); 1767 1768 /** 1769 * idle_update - Notification of changes in group idle state 1770 * @ctx: Callback context from cb_ctx 1771 * @idle: Whether the group is idle (no associated stations) 1772 */ 1773 void (*idle_update)(void *ctx, int idle); 1774 }; 1775 1776 /** 1777 * p2p_group_init - Initialize P2P group 1778 * @p2p: P2P module context from p2p_init() 1779 * @config: P2P group configuration (will be freed by p2p_group_deinit()) 1780 * Returns: Pointer to private data or %NULL on failure 1781 * 1782 * This function is used to initialize per-group P2P module context. Currently, 1783 * this is only used to manage GO functionality and P2P clients do not need to 1784 * create an instance of this per-group information. 1785 */ 1786 struct p2p_group * p2p_group_init(struct p2p_data *p2p, 1787 struct p2p_group_config *config); 1788 1789 /** 1790 * p2p_group_deinit - Deinitialize P2P group 1791 * @group: P2P group context from p2p_group_init() 1792 */ 1793 void p2p_group_deinit(struct p2p_group *group); 1794 1795 /** 1796 * p2p_group_notif_assoc - Notification of P2P client association with GO 1797 * @group: P2P group context from p2p_group_init() 1798 * @addr: Interface address of the P2P client 1799 * @ie: IEs from the (Re)association Request frame 1800 * @len: Length of the ie buffer in octets 1801 * Returns: 0 on success, -1 on failure 1802 */ 1803 int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr, 1804 const u8 *ie, size_t len); 1805 1806 /** 1807 * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response 1808 * @group: P2P group context from p2p_group_init() 1809 * @status: Status value (P2P_SC_SUCCESS if association succeeded) 1810 * Returns: P2P IE for (Re)association Response or %NULL on failure 1811 * 1812 * The caller is responsible for freeing the returned buffer with 1813 * wpabuf_free(). 1814 */ 1815 struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status); 1816 1817 /** 1818 * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO 1819 * @group: P2P group context from p2p_group_init() 1820 * @addr: Interface address of the P2P client 1821 */ 1822 void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr); 1823 1824 /** 1825 * p2p_group_notif_formation_done - Notification of completed group formation 1826 * @group: P2P group context from p2p_group_init() 1827 */ 1828 void p2p_group_notif_formation_done(struct p2p_group *group); 1829 1830 /** 1831 * p2p_group_notif_noa - Notification of NoA change 1832 * @group: P2P group context from p2p_group_init() 1833 * @noa: Notice of Absence attribute payload, %NULL if none 1834 * @noa_len: Length of noa buffer in octets 1835 * Returns: 0 on success, -1 on failure 1836 * 1837 * Notify the P2P group management about a new NoA contents. This will be 1838 * inserted into the P2P IEs in Beacon and Probe Response frames with rest of 1839 * the group information. 1840 */ 1841 int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa, 1842 size_t noa_len); 1843 1844 /** 1845 * p2p_group_match_dev_type - Match device types in group with requested type 1846 * @group: P2P group context from p2p_group_init() 1847 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs) 1848 * Returns: 1 on match, 0 on mismatch 1849 * 1850 * This function can be used to match the Requested Device Type attribute in 1851 * WPS IE with the device types of a group member for deciding whether a GO 1852 * should reply to a Probe Request frame. Match will be reported if the WPS IE 1853 * is not requested any specific device type. 1854 */ 1855 int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps); 1856 1857 /** 1858 * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id 1859 */ 1860 int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p); 1861 1862 /** 1863 * p2p_group_go_discover - Send GO Discoverability Request to a group client 1864 * @group: P2P group context from p2p_group_init() 1865 * Returns: 0 on success (frame scheduled); -1 if client was not found 1866 */ 1867 int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id, 1868 const u8 *searching_dev, int rx_freq); 1869 1870 1871 /* Generic helper functions */ 1872 1873 /** 1874 * p2p_ie_text - Build text format description of P2P IE 1875 * @p2p_ie: P2P IE 1876 * @buf: Buffer for returning text 1877 * @end: Pointer to the end of the buf area 1878 * Returns: Number of octets written to the buffer or -1 on failure 1879 * 1880 * This function can be used to parse P2P IE contents into text format 1881 * field=value lines. 1882 */ 1883 int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end); 1884 1885 /** 1886 * p2p_scan_result_text - Build text format description of P2P IE 1887 * @ies: Information elements from scan results 1888 * @ies_len: ies buffer length in octets 1889 * @buf: Buffer for returning text 1890 * @end: Pointer to the end of the buf area 1891 * Returns: Number of octets written to the buffer or -1 on failure 1892 * 1893 * This function can be used to parse P2P IE contents into text format 1894 * field=value lines. 1895 */ 1896 int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end); 1897 1898 /** 1899 * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated 1900 * P2P IE 1901 * @p2p_ie: P2P IE 1902 * @dev_addr: Buffer for returning P2P Device Address 1903 * Returns: 0 on success or -1 if P2P Device Address could not be parsed 1904 */ 1905 int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr); 1906 1907 /** 1908 * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s) 1909 * @ies: Information elements from scan results 1910 * @ies_len: ies buffer length in octets 1911 * @dev_addr: Buffer for returning P2P Device Address 1912 * Returns: 0 on success or -1 if P2P Device Address could not be parsed 1913 */ 1914 int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr); 1915 1916 /** 1917 * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame 1918 * @p2p: P2P module context from p2p_init() 1919 * @bssid: BSSID 1920 * @buf: Buffer for writing the P2P IE 1921 * @len: Maximum buf length in octets 1922 * @p2p_group: Whether this is for association with a P2P GO 1923 * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none 1924 * Returns: Number of octets written into buf or -1 on failure 1925 */ 1926 int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf, 1927 size_t len, int p2p_group, struct wpabuf *p2p_ie); 1928 1929 /** 1930 * p2p_scan_ie - Build P2P IE for Probe Request 1931 * @p2p: P2P module context from p2p_init() 1932 * @ies: Buffer for writing P2P IE 1933 * @dev_id: Device ID to search for or %NULL for any 1934 * @bands: Frequency bands used in the scan (enum wpa_radio_work_band bitmap) 1935 */ 1936 void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id, 1937 unsigned int bands); 1938 1939 /** 1940 * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie 1941 * @p2p: P2P module context from p2p_init() 1942 * Returns: Number of octets that p2p_scan_ie() may add to the buffer 1943 */ 1944 size_t p2p_scan_ie_buf_len(struct p2p_data *p2p); 1945 1946 /** 1947 * p2p_go_params - Generate random P2P group parameters 1948 * @p2p: P2P module context from p2p_init() 1949 * @params: Buffer for parameters 1950 * Returns: 0 on success, -1 on failure 1951 */ 1952 int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params); 1953 1954 /** 1955 * p2p_get_group_capab - Get Group Capability from P2P IE data 1956 * @p2p_ie: P2P IE(s) contents 1957 * Returns: Group Capability 1958 */ 1959 u8 p2p_get_group_capab(const struct wpabuf *p2p_ie); 1960 1961 /** 1962 * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection 1963 * @p2p_ie: P2P IE(s) contents 1964 * Returns: 0 if cross connection is allow, 1 if not 1965 */ 1966 int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie); 1967 1968 /** 1969 * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data 1970 * @p2p_ie: P2P IE(s) contents 1971 * Returns: Pointer to P2P Device Address or %NULL if not included 1972 */ 1973 const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie); 1974 1975 /** 1976 * p2p_get_peer_info - Get P2P peer information 1977 * @p2p: P2P module context from p2p_init() 1978 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer 1979 * @next: Whether to select the peer entry following the one indicated by addr 1980 * Returns: Pointer to peer info or %NULL if not found 1981 */ 1982 const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p, 1983 const u8 *addr, int next); 1984 1985 /** 1986 * p2p_get_peer_info_txt - Get internal P2P peer information in text format 1987 * @info: Pointer to P2P peer info from p2p_get_peer_info() 1988 * @buf: Buffer for returning text 1989 * @buflen: Maximum buffer length 1990 * Returns: Number of octets written to the buffer or -1 on failure 1991 * 1992 * Note: This information is internal to the P2P module and subject to change. 1993 * As such, this should not really be used by external programs for purposes 1994 * other than debugging. 1995 */ 1996 int p2p_get_peer_info_txt(const struct p2p_peer_info *info, 1997 char *buf, size_t buflen); 1998 1999 /** 2000 * p2p_peer_known - Check whether P2P peer is known 2001 * @p2p: P2P module context from p2p_init() 2002 * @addr: P2P Device Address of the peer 2003 * Returns: 1 if the specified device is in the P2P peer table or 0 if not 2004 */ 2005 int p2p_peer_known(struct p2p_data *p2p, const u8 *addr); 2006 2007 /** 2008 * p2p_set_client_discoverability - Set client discoverability capability 2009 * @p2p: P2P module context from p2p_init() 2010 * @enabled: Whether client discoverability will be enabled 2011 * 2012 * This function can be used to disable (and re-enable) client discoverability. 2013 * This capability is enabled by default and should not be disabled in normal 2014 * use cases, i.e., this is mainly for testing purposes. 2015 */ 2016 void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled); 2017 2018 /** 2019 * p2p_set_managed_oper - Set managed P2P Device operations capability 2020 * @p2p: P2P module context from p2p_init() 2021 * @enabled: Whether managed P2P Device operations will be enabled 2022 */ 2023 void p2p_set_managed_oper(struct p2p_data *p2p, int enabled); 2024 2025 /** 2026 * p2p_config_get_random_social - Return a random social channel 2027 * @p2p: P2P config 2028 * @op_class: Selected operating class 2029 * @op_channel: Selected social channel 2030 * @avoid_list: Channel ranges to try to avoid or %NULL 2031 * @disallow_list: Channel ranges to discard or %NULL 2032 * Returns: 0 on success, -1 on failure 2033 * 2034 * This function is used before p2p_init is called. A random social channel 2035 * from supports bands 2.4 GHz (channels 1,6,11) and 60 GHz (channel 2) is 2036 * returned on success. 2037 */ 2038 int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class, 2039 u8 *op_channel, 2040 struct wpa_freq_range_list *avoid_list, 2041 struct wpa_freq_range_list *disallow_list); 2042 2043 int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel, 2044 u8 forced); 2045 2046 u8 p2p_get_listen_channel(struct p2p_data *p2p); 2047 2048 int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len); 2049 2050 int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr, 2051 u8 *iface_addr); 2052 int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr, 2053 u8 *dev_addr); 2054 2055 void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr); 2056 2057 /** 2058 * p2p_set_cross_connect - Set cross connection capability 2059 * @p2p: P2P module context from p2p_init() 2060 * @enabled: Whether cross connection will be enabled 2061 */ 2062 void p2p_set_cross_connect(struct p2p_data *p2p, int enabled); 2063 2064 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr); 2065 2066 /** 2067 * p2p_set_intra_bss_dist - Set intra BSS distribution 2068 * @p2p: P2P module context from p2p_init() 2069 * @enabled: Whether intra BSS distribution will be enabled 2070 */ 2071 void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled); 2072 2073 int p2p_channels_includes_freq(const struct p2p_channels *channels, 2074 unsigned int freq); 2075 2076 int p2p_channels_to_freqs(const struct p2p_channels *channels, 2077 int *freq_list, unsigned int max_len); 2078 2079 /** 2080 * p2p_supported_freq - Check whether channel is supported for P2P 2081 * @p2p: P2P module context from p2p_init() 2082 * @freq: Channel frequency in MHz 2083 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P 2084 */ 2085 int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq); 2086 2087 /** 2088 * p2p_supported_freq_go - Check whether channel is supported for P2P GO operation 2089 * @p2p: P2P module context from p2p_init() 2090 * @freq: Channel frequency in MHz 2091 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P 2092 */ 2093 int p2p_supported_freq_go(struct p2p_data *p2p, unsigned int freq); 2094 2095 /** 2096 * p2p_supported_freq_cli - Check whether channel is supported for P2P client operation 2097 * @p2p: P2P module context from p2p_init() 2098 * @freq: Channel frequency in MHz 2099 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P 2100 */ 2101 int p2p_supported_freq_cli(struct p2p_data *p2p, unsigned int freq); 2102 2103 /** 2104 * p2p_get_pref_freq - Get channel from preferred channel list 2105 * @p2p: P2P module context from p2p_init() 2106 * @channels: List of channels 2107 * Returns: Preferred channel 2108 */ 2109 unsigned int p2p_get_pref_freq(struct p2p_data *p2p, 2110 const struct p2p_channels *channels); 2111 2112 void p2p_update_channel_list(struct p2p_data *p2p, 2113 const struct p2p_channels *chan, 2114 const struct p2p_channels *cli_chan); 2115 2116 bool is_p2p_6ghz_disabled(struct p2p_data *p2p); 2117 2118 /** 2119 * p2p_set_best_channels - Update best channel information 2120 * @p2p: P2P module context from p2p_init() 2121 * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band 2122 * @freq_5: Frequency (MHz) of best channel in 5 GHz band 2123 * @freq_overall: Frequency (MHz) of best channel overall 2124 */ 2125 void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5, 2126 int freq_overall); 2127 2128 /** 2129 * p2p_set_own_freq_preference - Set own preference for channel 2130 * @p2p: P2P module context from p2p_init() 2131 * @freq: Frequency (MHz) of the preferred channel or 0 if no preference 2132 * 2133 * This function can be used to set a preference on the operating channel based 2134 * on frequencies used on the other virtual interfaces that share the same 2135 * radio. If non-zero, this is used to try to avoid multi-channel concurrency. 2136 */ 2137 void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq); 2138 2139 const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p); 2140 2141 /** 2142 * p2p_get_group_num_members - Get number of members in group 2143 * @group: P2P group context from p2p_group_init() 2144 * Returns: Number of members in the group 2145 */ 2146 unsigned int p2p_get_group_num_members(struct p2p_group *group); 2147 2148 /** 2149 * p2p_client_limit_reached - Check if client limit is reached 2150 * @group: P2P group context from p2p_group_init() 2151 * Returns: 1 if no of clients limit reached 2152 */ 2153 int p2p_client_limit_reached(struct p2p_group *group); 2154 2155 /** 2156 * p2p_iterate_group_members - Iterate group members 2157 * @group: P2P group context from p2p_group_init() 2158 * @next: iteration pointer, must be a pointer to a void * that is set to %NULL 2159 * on the first call and not modified later 2160 * Returns: A P2P Device Address for each call and %NULL for no more members 2161 */ 2162 const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next); 2163 2164 /** 2165 * p2p_group_get_client_interface_addr - Get P2P Interface Address of a client in a group 2166 * @group: P2P group context from p2p_group_init() 2167 * @dev_addr: P2P Device Address of the client 2168 * Returns: P2P Interface Address of the client if found or %NULL if no match 2169 * found 2170 */ 2171 const u8 * p2p_group_get_client_interface_addr(struct p2p_group *group, 2172 const u8 *dev_addr); 2173 2174 /** 2175 * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group 2176 * @group: P2P group context from p2p_group_init() 2177 * @addr: P2P Interface Address of the client 2178 * Returns: P2P Device Address of the client if found or %NULL if no match 2179 * found 2180 */ 2181 const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr); 2182 2183 /** 2184 * p2p_group_is_client_connected - Check whether a specific client is connected 2185 * @group: P2P group context from p2p_group_init() 2186 * @addr: P2P Device Address of the client 2187 * Returns: 1 if client is connected or 0 if not 2188 */ 2189 int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr); 2190 2191 /** 2192 * p2p_group_get_config - Get the group configuration 2193 * @group: P2P group context from p2p_group_init() 2194 * Returns: The group configuration pointer 2195 */ 2196 const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group); 2197 2198 /** 2199 * p2p_loop_on_all_groups - Run the given callback on all groups 2200 * @p2p: P2P module context from p2p_init() 2201 * @group_callback: The callback function pointer 2202 * @user_data: Some user data pointer which can be %NULL 2203 * 2204 * The group_callback function can stop the iteration by returning 0. 2205 */ 2206 void p2p_loop_on_all_groups(struct p2p_data *p2p, 2207 int (*group_callback)(struct p2p_group *group, 2208 void *user_data), 2209 void *user_data); 2210 2211 /** 2212 * p2p_get_peer_found - Get P2P peer info structure of a found peer 2213 * @p2p: P2P module context from p2p_init() 2214 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer 2215 * @next: Whether to select the peer entry following the one indicated by addr 2216 * Returns: The first P2P peer info available or %NULL if no such peer exists 2217 */ 2218 const struct p2p_peer_info * 2219 p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next); 2220 2221 /** 2222 * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions 2223 * @p2p: P2P module context from p2p_init() 2224 */ 2225 void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p); 2226 2227 /** 2228 * p2p_add_wps_vendor_extension - Add a WPS vendor extension 2229 * @p2p: P2P module context from p2p_init() 2230 * @vendor_ext: The vendor extensions to add 2231 * Returns: 0 on success, -1 on failure 2232 * 2233 * The wpabuf structures in the array are owned by the P2P 2234 * module after this call. 2235 */ 2236 int p2p_add_wps_vendor_extension(struct p2p_data *p2p, 2237 const struct wpabuf *vendor_ext); 2238 2239 /** 2240 * p2p_set_oper_channel - Set the P2P operating channel 2241 * @p2p: P2P module context from p2p_init() 2242 * @op_reg_class: Operating regulatory class to set 2243 * @op_channel: operating channel to set 2244 * @cfg_op_channel : Whether op_channel is hardcoded in configuration 2245 * Returns: 0 on success, -1 on failure 2246 */ 2247 int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel, 2248 int cfg_op_channel); 2249 2250 /** 2251 * p2p_set_pref_chan - Set P2P preferred channel list 2252 * @p2p: P2P module context from p2p_init() 2253 * @num_pref_chan: Number of entries in pref_chan list 2254 * @pref_chan: Preferred channels or %NULL to remove preferences 2255 * Returns: 0 on success, -1 on failure 2256 */ 2257 int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan, 2258 const struct p2p_channel *pref_chan); 2259 2260 /** 2261 * p2p_set_no_go_freq - Set no GO channel ranges 2262 * @p2p: P2P module context from p2p_init() 2263 * @list: Channel ranges or %NULL to remove restriction 2264 * Returns: 0 on success, -1 on failure 2265 */ 2266 int p2p_set_no_go_freq(struct p2p_data *p2p, 2267 const struct wpa_freq_range_list *list); 2268 2269 /** 2270 * p2p_in_progress - Check whether a P2P operation is progress 2271 * @p2p: P2P module context from p2p_init() 2272 * Returns: 0 if P2P module is idle, 1 if an operation is in progress but not 2273 * in search state, or 2 if search state operation is in progress 2274 */ 2275 int p2p_in_progress(struct p2p_data *p2p); 2276 2277 const char * p2p_wps_method_text(enum p2p_wps_method method); 2278 2279 /** 2280 * p2p_set_config_timeout - Set local config timeouts 2281 * @p2p: P2P module context from p2p_init() 2282 * @go_timeout: Time in 10 ms units it takes to start the GO mode 2283 * @client_timeout: Time in 10 ms units it takes to start the client mode 2284 */ 2285 void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout, 2286 u8 client_timeout); 2287 2288 int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie); 2289 int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie); 2290 int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie); 2291 int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie); 2292 int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie); 2293 int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie); 2294 int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie); 2295 int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie); 2296 int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem); 2297 int p2p_set_wfd_r2_dev_info(struct p2p_data *p2p, const struct wpabuf *elem); 2298 int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem); 2299 int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p, 2300 const struct wpabuf *elem); 2301 struct wpabuf * wifi_display_encaps(struct wpabuf *subelems); 2302 2303 /** 2304 * p2p_set_disc_int - Set min/max discoverable interval for p2p_find 2305 * @p2p: P2P module context from p2p_init() 2306 * @min_disc_int: minDiscoverableInterval (in units of 100 TU); default 1 2307 * @max_disc_int: maxDiscoverableInterval (in units of 100 TU); default 3 2308 * @max_disc_tu: Maximum number of TUs (1.024 ms) for discoverable interval; or 2309 * -1 not to limit 2310 * Returns: 0 on success, or -1 on failure 2311 * 2312 * This function can be used to configure minDiscoverableInterval and 2313 * maxDiscoverableInterval parameters for the Listen state during device 2314 * discovery (p2p_find). A random number of 100 TU units is picked for each 2315 * Listen state iteration from [min_disc_int,max_disc_int] range. 2316 * 2317 * max_disc_tu can be used to further limit the discoverable duration. However, 2318 * it should be noted that use of this parameter is not recommended since it 2319 * would not be compliant with the P2P specification. 2320 */ 2321 int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int, 2322 int max_disc_tu); 2323 2324 /** 2325 * p2p_get_state_txt - Get current P2P state for debug purposes 2326 * @p2p: P2P module context from p2p_init() 2327 * Returns: Name of the current P2P module state 2328 * 2329 * It should be noted that the P2P module state names are internal information 2330 * and subject to change at any point, i.e., this information should be used 2331 * mainly for debugging purposes. 2332 */ 2333 const char * p2p_get_state_txt(struct p2p_data *p2p); 2334 2335 struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p, 2336 int client_freq, 2337 const u8 *go_dev_addr, 2338 const u8 *ssid, size_t ssid_len); 2339 struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p, 2340 int client_freq, 2341 const u8 *go_dev_addr, 2342 const u8 *ssid, size_t ssid_len); 2343 2344 bool p2p_pref_freq_allowed(const struct weighted_pcl *freq_list, bool go); 2345 2346 struct p2p_nfc_params { 2347 int sel; 2348 const u8 *wsc_attr; 2349 size_t wsc_len; 2350 const u8 *p2p_attr; 2351 size_t p2p_len; 2352 2353 enum { 2354 NO_ACTION, JOIN_GROUP, AUTH_JOIN, INIT_GO_NEG, RESP_GO_NEG, 2355 BOTH_GO, PEER_CLIENT 2356 } next_step; 2357 struct p2p_peer_info *peer; 2358 u8 oob_dev_pw[WPS_OOB_PUBKEY_HASH_LEN + 2 + 2359 WPS_OOB_DEVICE_PASSWORD_LEN]; 2360 size_t oob_dev_pw_len; 2361 int go_freq; 2362 u8 go_dev_addr[ETH_ALEN]; 2363 u8 go_ssid[SSID_MAX_LEN]; 2364 size_t go_ssid_len; 2365 }; 2366 2367 int p2p_process_nfc_connection_handover(struct p2p_data *p2p, 2368 struct p2p_nfc_params *params); 2369 2370 void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id, 2371 int go_intent, 2372 const u8 *own_interface_addr); 2373 2374 int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len); 2375 2376 void p2p_loop_on_known_peers(struct p2p_data *p2p, 2377 void (*peer_callback)(struct p2p_peer_info *peer, 2378 void *user_data), 2379 void *user_data); 2380 2381 void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem); 2382 2383 void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr); 2384 2385 struct p2ps_advertisement * 2386 p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id); 2387 int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id, 2388 const char *adv_str, u8 svc_state, 2389 u16 config_methods, const char *svc_info, 2390 const u8 *cpt_priority); 2391 int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id); 2392 void p2p_service_flush_asp(struct p2p_data *p2p); 2393 struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p); 2394 2395 /** 2396 * p2p_expire_peers - Periodic cleanup function to expire peers 2397 * @p2p: P2P module context from p2p_init() 2398 * 2399 * This is a cleanup function that the entity calling p2p_init() is 2400 * expected to call periodically to clean up expired peer entries. 2401 */ 2402 void p2p_expire_peers(struct p2p_data *p2p); 2403 2404 void p2p_set_own_pref_freq_list(struct p2p_data *p2p, 2405 const struct weighted_pcl *pref_freq_list, 2406 unsigned int size); 2407 void p2p_set_override_pref_op_chan(struct p2p_data *p2p, u8 op_class, 2408 u8 chan); 2409 2410 /** 2411 * p2p_group_get_common_freqs - Get the group common frequencies 2412 * @group: P2P group context from p2p_group_init() 2413 * @common_freqs: On return will hold the group common frequencies 2414 * @num: On return will hold the number of group common frequencies 2415 * Returns: 0 on success, -1 otherwise 2416 */ 2417 int p2p_group_get_common_freqs(struct p2p_group *group, int *common_freqs, 2418 unsigned int *num); 2419 2420 struct wpabuf * p2p_build_probe_resp_template(struct p2p_data *p2p, 2421 unsigned int freq); 2422 2423 void p2p_set_6ghz_dev_capab(struct p2p_data *p2p, bool allow_6ghz); 2424 bool is_p2p_6ghz_capable(struct p2p_data *p2p); 2425 bool p2p_is_peer_6ghz_capab(struct p2p_data *p2p, const u8 *addr); 2426 bool p2p_peer_wfd_enabled(struct p2p_data *p2p, const u8 *peer_addr); 2427 bool p2p_wfd_enabled(struct p2p_data *p2p); 2428 bool is_p2p_allow_6ghz(struct p2p_data *p2p); 2429 void set_p2p_allow_6ghz(struct p2p_data *p2p, bool value); 2430 int p2p_remove_6ghz_channels(struct weighted_pcl *pref_freq_list, int size); 2431 int p2p_channel_to_freq(int op_class, int channel); 2432 2433 #endif /* P2P_H */ 2434
Indexes created Tue Feb 24 08:35:24 UTC 2026