2 * Wi-Fi Direct - P2P module
3 * Copyright (c) 2009-2010, Atheros Communications
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
19 * P2P_MAX_REG_CLASSES - Maximum number of regulatory classes
21 #define P2P_MAX_REG_CLASSES 10
24 * P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class
26 #define P2P_MAX_REG_CLASS_CHANNELS 20
29 * struct p2p_channels - List of supported channels
33 * struct p2p_reg_class - Supported regulatory class
35 struct p2p_reg_class {
37 * reg_class - Regulatory class (IEEE 802.11-2007, Annex J)
42 * channel - Supported channels
44 u8 channel[P2P_MAX_REG_CLASS_CHANNELS];
47 * channels - Number of channel entries in use
50 } reg_class[P2P_MAX_REG_CLASSES];
53 * reg_classes - Number of reg_class entries in use
59 WPS_NOT_READY, WPS_PIN_LABEL, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC
63 * struct p2p_go_neg_results - P2P Group Owner Negotiation results
65 struct p2p_go_neg_results {
67 * status - Negotiation result (Status Code)
69 * 0 (P2P_SC_SUCCESS) indicates success. Non-zero values indicate
75 * role_go - Whether local end is Group Owner
80 * freq - Frequency of the group operational channel in MHz
85 * ssid - SSID of the group
90 * ssid_len - Length of SSID in octets
95 * passphrase - WPA2-Personal passphrase for the group (GO only)
100 * peer_device_addr - P2P Device Address of the peer
102 u8 peer_device_addr[ETH_ALEN];
105 * peer_interface_addr - P2P Interface Address of the peer
107 u8 peer_interface_addr[ETH_ALEN];
110 * wps_method - WPS method to be used during provisioning
112 enum p2p_wps_method wps_method;
114 #define P2P_MAX_CHANNELS 50
117 * freq_list - Zero-terminated list of possible operational channels
119 int freq_list[P2P_MAX_CHANNELS];
122 * persistent_group - Whether the group should be made persistent
124 int persistent_group;
127 * peer_config_timeout - Peer configuration timeout (in 10 msec units)
129 unsigned int peer_config_timeout;
138 P2P_SCAN_SOCIAL_PLUS_ONE
141 #define P2P_MAX_WPS_VENDOR_EXT 10
144 * struct p2p_peer_info - P2P peer information
146 struct p2p_peer_info {
148 * p2p_device_addr - P2P Device Address of the peer
150 u8 p2p_device_addr[ETH_ALEN];
153 * pri_dev_type - Primary Device Type
158 * device_name - Device Name
160 char device_name[33];
163 * config_methods - WPS Configuration Methods
168 * dev_capab - Device Capabilities
173 * group_capab - Group Capabilities
178 * wps_sec_dev_type_list - WPS secondary device type list
180 * This list includes from 0 to 16 Secondary Device Types as indicated
181 * by wps_sec_dev_type_list_len (8 * number of types).
183 u8 wps_sec_dev_type_list[128];
186 * wps_sec_dev_type_list_len - Length of secondary device type list
188 size_t wps_sec_dev_type_list_len;
190 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
194 * struct p2p_config - P2P configuration
196 * This configuration is provided to the P2P module during initialization with
201 * country - Country code to use in P2P operations
206 * reg_class - Regulatory class for own listen channel
211 * channel - Own listen channel
216 * Regulatory class for own operational channel
221 * op_channel - Own operational channel
226 * cfg_op_channel - Whether op_channel is hardcoded in configuration
231 * channels - Own supported regulatory classes and channels
233 * List of supposerted channels per regulatory class. The regulatory
234 * classes are defined in IEEE Std 802.11-2007 Annex J and the
235 * numbering of the clases depends on the configured country code.
237 struct p2p_channels channels;
240 * pri_dev_type - Primary Device Type (see WPS)
245 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types
247 #define P2P_SEC_DEVICE_TYPES 5
250 * sec_dev_type - Optional secondary device types
252 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
255 * num_sec_dev_types - Number of sec_dev_type entries
257 size_t num_sec_dev_types;
260 * dev_addr - P2P Device Address
262 u8 dev_addr[ETH_ALEN];
265 * dev_name - Device Name
278 * concurrent_operations - Whether concurrent operations are supported
280 int concurrent_operations;
283 * max_peers - Maximum number of discovered peers to remember
285 * If more peers are discovered, older entries will be removed to make
286 * room for the new ones.
291 * p2p_intra_bss - Intra BSS communication is supported
296 * ssid_postfix - Postfix data to add to the SSID
298 * This data will be added to the end of the SSID after the
299 * DIRECT-<random two octets> prefix.
301 u8 ssid_postfix[32 - 9];
304 * ssid_postfix_len - Length of the ssid_postfix data
306 size_t ssid_postfix_len;
309 * msg_ctx - Context to use with wpa_msg() calls
314 * cb_ctx - Context to use with callback functions
319 /* Callbacks to request lower layer driver operations */
322 * p2p_scan - Request a P2P scan/search
323 * @ctx: Callback context from cb_ctx
325 * @freq: Specific frequency (MHz) to scan or 0 for no restriction
326 * @num_req_dev_types: Number of requested device types
327 * @req_dev_types: Array containing requested device types
328 * Returns: 0 on success, -1 on failure
330 * This callback function is used to request a P2P scan or search
331 * operation to be completed. Type type argument specifies which type
332 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the
333 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL
334 * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC
335 * request a scan of a single channel specified by freq.
336 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels
337 * plus one extra channel specified by freq.
339 * The full scan is used for the initial scan to find group owners from
340 * all. The other types are used during search phase scan of the social
341 * channels (with potential variation if the Listen channel of the
342 * target peer is known or if other channels are scanned in steps).
344 * The scan results are returned after this call by calling
345 * p2p_scan_res_handler() for each scan result that has a P2P IE and
346 * then calling p2p_scan_res_handled() to indicate that all scan
347 * results have been indicated.
349 int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq,
350 unsigned int num_req_dev_types,
351 const u8 *req_dev_types);
354 * send_probe_resp - Transmit a Probe Response frame
355 * @ctx: Callback context from cb_ctx
356 * @buf: Probe Response frame (including the header and body)
357 * Returns: 0 on success, -1 on failure
359 * This function is used to reply to Probe Request frames that were
360 * indicated with a call to p2p_probe_req_rx(). The response is to be
361 * sent on the same channel or to be dropped if the driver is not
362 * anymore listening to Probe Request frames.
364 * Alternatively, the responsibility for building the Probe Response
365 * frames in Listen state may be in another system component in which
366 * case this function need to be implemented (i.e., the function
367 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe
368 * Response frames in such a case are available from the
369 * start_listen() callback. It should be noted that the received Probe
370 * Request frames must be indicated by calling p2p_probe_req_rx() even
371 * if this send_probe_resp() is not used.
373 int (*send_probe_resp)(void *ctx, const struct wpabuf *buf);
376 * send_action - Transmit an Action frame
377 * @ctx: Callback context from cb_ctx
378 * @freq: Frequency in MHz for the channel on which to transmit
379 * @dst: Destination MAC address (Address 1)
380 * @src: Source MAC address (Address 2)
381 * @bssid: BSSID (Address 3)
382 * @buf: Frame body (starting from Category field)
383 * @len: Length of buf in octets
384 * @wait_time: How many msec to wait for a response frame
385 * Returns: 0 on success, -1 on failure
387 * The Action frame may not be transmitted immediately and the status
388 * of the transmission must be reported by calling
389 * p2p_send_action_cb() once the frame has either been transmitted or
390 * it has been dropped due to excessive retries or other failure to
393 int (*send_action)(void *ctx, unsigned int freq, const u8 *dst,
394 const u8 *src, const u8 *bssid, const u8 *buf,
395 size_t len, unsigned int wait_time);
398 * send_action_done - Notify that Action frame sequence was completed
399 * @ctx: Callback context from cb_ctx
401 * This function is called when the Action frame sequence that was
402 * started with send_action() has been completed, i.e., when there is
403 * no need to wait for a response from the destination peer anymore.
405 void (*send_action_done)(void *ctx);
408 * start_listen - Start Listen state
409 * @ctx: Callback context from cb_ctx
410 * @freq: Frequency of the listen channel in MHz
411 * @duration: Duration for the Listen state in milliseconds
412 * @probe_resp_ie: IE(s) to be added to Probe Response frames
413 * Returns: 0 on success, -1 on failure
415 * This Listen state may not start immediately since the driver may
416 * have other pending operations to complete first. Once the Listen
417 * state has started, p2p_listen_cb() must be called to notify the P2P
418 * module. Once the Listen state is stopped, p2p_listen_end() must be
419 * called to notify the P2P module that the driver is not in the Listen
422 * If the send_probe_resp() is not used for generating the response,
423 * the IEs from probe_resp_ie need to be added to the end of the Probe
424 * Response frame body. If send_probe_resp() is used, the probe_resp_ie
425 * information can be ignored.
427 int (*start_listen)(void *ctx, unsigned int freq,
428 unsigned int duration,
429 const struct wpabuf *probe_resp_ie);
431 * stop_listen - Stop Listen state
432 * @ctx: Callback context from cb_ctx
434 * This callback can be used to stop a Listen state operation that was
435 * previously requested with start_listen().
437 void (*stop_listen)(void *ctx);
440 * get_noa - Get current Notice of Absence attribute payload
441 * @ctx: Callback context from cb_ctx
442 * @interface_addr: P2P Interface Address of the GO
443 * @buf: Buffer for returning NoA
444 * @buf_len: Buffer length in octets
445 * Returns: Number of octets used in buf, 0 to indicate no NoA is being
446 * advertized, or -1 on failure
448 * This function is used to fetch the current Notice of Absence
449 * attribute value from GO.
451 int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf,
454 /* Callbacks to notify events to upper layer management entity */
457 * dev_found - Notification of a found P2P Device
458 * @ctx: Callback context from cb_ctx
459 * @addr: Source address of the message triggering this notification
460 * @info: P2P peer information
461 * @new_device: Inform if the peer is newly found
463 * This callback is used to notify that a new P2P Device has been
464 * found. This may happen, e.g., during Search state based on scan
465 * results or during Listen state based on receive Probe Request and
466 * Group Owner Negotiation Request.
468 void (*dev_found)(void *ctx, const u8 *addr,
469 const struct p2p_peer_info *info,
473 * dev_lost - Notification of a lost P2P Device
474 * @ctx: Callback context from cb_ctx
475 * @dev_addr: P2P Device Address of the lost P2P Device
477 * This callback is used to notify that a P2P Device has been deleted.
479 void (*dev_lost)(void *ctx, const u8 *dev_addr);
482 * go_neg_req_rx - Notification of a receive GO Negotiation Request
483 * @ctx: Callback context from cb_ctx
484 * @src: Source address of the message triggering this notification
485 * @dev_passwd_id: WPS Device Password ID
487 * This callback is used to notify that a P2P Device is requesting
488 * group owner negotiation with us, but we do not have all the
489 * necessary information to start GO Negotiation. This indicates that
490 * the local user has not authorized the connection yet by providing a
491 * PIN or PBC button press. This information can be provided with a
492 * call to p2p_connect().
494 void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id);
497 * go_neg_completed - Notification of GO Negotiation results
498 * @ctx: Callback context from cb_ctx
499 * @res: GO Negotiation results
501 * This callback is used to notify that Group Owner Negotiation has
502 * been completed. Non-zero struct p2p_go_neg_results::status indicates
503 * failed negotiation. In case of success, this function is responsible
504 * for creating a new group interface (or using the existing interface
505 * depending on driver features), setting up the group interface in
506 * proper mode based on struct p2p_go_neg_results::role_go and
507 * initializing WPS provisioning either as a Registrar (if GO) or as an
508 * Enrollee. Successful WPS provisioning must be indicated by calling
509 * p2p_wps_success_cb(). The callee is responsible for timing out group
510 * formation if WPS provisioning cannot be completed successfully
513 void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res);
516 * sd_request - Callback on Service Discovery Request
517 * @ctx: Callback context from cb_ctx
518 * @freq: Frequency (in MHz) of the channel
519 * @sa: Source address of the request
520 * @dialog_token: Dialog token
521 * @update_indic: Service Update Indicator from the source of request
522 * @tlvs: P2P Service Request TLV(s)
523 * @tlvs_len: Length of tlvs buffer in octets
525 * This callback is used to indicate reception of a service discovery
526 * request. Response to the query must be indicated by calling
527 * p2p_sd_response() with the context information from the arguments to
528 * this callback function.
530 * This callback handler can be set to %NULL to indicate that service
531 * discovery is not supported.
533 void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token,
534 u16 update_indic, const u8 *tlvs, size_t tlvs_len);
537 * sd_response - Callback on Service Discovery Response
538 * @ctx: Callback context from cb_ctx
539 * @sa: Source address of the request
540 * @update_indic: Service Update Indicator from the source of response
541 * @tlvs: P2P Service Response TLV(s)
542 * @tlvs_len: Length of tlvs buffer in octets
544 * This callback is used to indicate reception of a service discovery
545 * response. This callback handler can be set to %NULL if no service
546 * discovery requests are used. The information provided with this call
547 * is replies to the queries scheduled with p2p_sd_request().
549 void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic,
550 const u8 *tlvs, size_t tlvs_len);
553 * prov_disc_req - Callback on Provisiong Discovery Request
554 * @ctx: Callback context from cb_ctx
555 * @peer: Source address of the request
556 * @config_methods: Requested WPS Config Method
557 * @dev_addr: P2P Device Address of the found P2P Device
558 * @pri_dev_type: Primary Device Type
559 * @dev_name: Device Name
560 * @supp_config_methods: Supported configuration Methods
561 * @dev_capab: Device Capabilities
562 * @group_capab: Group Capabilities
564 * This callback is used to indicate reception of a Provision Discovery
565 * Request frame that the P2P module accepted.
567 void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods,
568 const u8 *dev_addr, const u8 *pri_dev_type,
569 const char *dev_name, u16 supp_config_methods,
570 u8 dev_capab, u8 group_capab);
573 * prov_disc_resp - Callback on Provisiong Discovery Response
574 * @ctx: Callback context from cb_ctx
575 * @peer: Source address of the response
576 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure
578 * This callback is used to indicate reception of a Provision Discovery
579 * Response frame for a pending request scheduled with
580 * p2p_prov_disc_req(). This callback handler can be set to %NULL if
581 * provision discovery is not used.
583 void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods);
586 * invitation_process - Optional callback for processing Invitations
587 * @ctx: Callback context from cb_ctx
588 * @sa: Source address of the Invitation Request
589 * @bssid: P2P Group BSSID from the request or %NULL if not included
590 * @go_dev_addr: GO Device Address from P2P Group ID
591 * @ssid: SSID from P2P Group ID
592 * @ssid_len: Length of ssid buffer in octets
593 * @go: Variable for returning whether the local end is GO in the group
594 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO)
595 * @force_freq: Variable for returning forced frequency for the group
596 * @persistent_group: Whether this is an invitation to reinvoke a
597 * persistent group (instead of invitation to join an active
599 * Returns: Status code (P2P_SC_*)
601 * This optional callback can be used to implement persistent reconnect
602 * by allowing automatic restarting of persistent groups without user
603 * interaction. If this callback is not implemented (i.e., is %NULL),
604 * the received Invitation Request frames are replied with
605 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the
606 * invitation_result() callback.
608 * If the requested parameters are acceptable and the group is known,
609 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown,
610 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED
611 * can be returned if there is not enough data to provide immediate
612 * response, i.e., if some sort of user interaction is needed. The
613 * invitation_received() callback will be called in that case
614 * immediately after this call.
616 u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid,
617 const u8 *go_dev_addr, const u8 *ssid,
618 size_t ssid_len, int *go, u8 *group_bssid,
619 int *force_freq, int persistent_group);
622 * invitation_received - Callback on Invitation Request RX
623 * @ctx: Callback context from cb_ctx
624 * @sa: Source address of the Invitation Request
625 * @bssid: P2P Group BSSID or %NULL if not received
626 * @ssid: SSID of the group
627 * @ssid_len: Length of ssid in octets
628 * @go_dev_addr: GO Device Address
629 * @status: Response Status
630 * @op_freq: Operational frequency for the group
632 * This callback is used to indicate sending of an Invitation Response
633 * for a received Invitation Request. If status == 0 (success), the
634 * upper layer code is responsible for starting the group. status == 1
635 * indicates need to get user authorization for the group. Other status
636 * values indicate that the invitation request was rejected.
638 void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid,
639 const u8 *ssid, size_t ssid_len,
640 const u8 *go_dev_addr, u8 status,
644 * invitation_result - Callback on Invitation result
645 * @ctx: Callback context from cb_ctx
646 * @status: Negotiation result (Status Code)
647 * @bssid: P2P Group BSSID or %NULL if not received
649 * This callback is used to indicate result of an Invitation procedure
650 * started with a call to p2p_invite(). The indicated status code is
651 * the value received from the peer in Invitation Response with 0
652 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a
653 * local failure in transmitting the Invitation Request.
655 void (*invitation_result)(void *ctx, int status, const u8 *bssid);
659 /* P2P module initialization/deinitialization */
662 * p2p_init - Initialize P2P module
663 * @cfg: P2P module configuration
664 * Returns: Pointer to private data or %NULL on failure
666 * This function is used to initialize global P2P module context (one per
667 * device). The P2P module will keep a copy of the configuration data, so the
668 * caller does not need to maintain this structure. However, the callback
669 * functions and the context parameters to them must be kept available until
670 * the P2P module is deinitialized with p2p_deinit().
672 struct p2p_data * p2p_init(const struct p2p_config *cfg);
675 * p2p_deinit - Deinitialize P2P module
676 * @p2p: P2P module context from p2p_init()
678 void p2p_deinit(struct p2p_data *p2p);
681 * p2p_flush - Flush P2P module state
682 * @p2p: P2P module context from p2p_init()
684 * This command removes the P2P module state like peer device entries.
686 void p2p_flush(struct p2p_data *p2p);
689 * p2p_unauthorize - Unauthorize the specified peer device
690 * @p2p: P2P module context from p2p_init()
691 * @addr: P2P peer entry to be unauthorized
692 * Returns: 0 on success, -1 on failure
694 * This command removes any connection authorization from the specified P2P
695 * peer device address. This can be used, e.g., to cancel effect of a previous
696 * p2p_authorize() or p2p_connect() call that has not yet resulted in completed
699 int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr);
702 * p2p_set_dev_name - Set device name
703 * @p2p: P2P module context from p2p_init()
704 * Returns: 0 on success, -1 on failure
706 * This function can be used to update the P2P module configuration with
707 * information that was not available at the time of the p2p_init() call.
709 int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name);
711 int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer);
712 int p2p_set_model_name(struct p2p_data *p2p, const char *model_name);
713 int p2p_set_model_number(struct p2p_data *p2p, const char *model_number);
714 int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number);
716 void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods);
717 void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid);
720 * p2p_set_pri_dev_type - Set primary device type
721 * @p2p: P2P module context from p2p_init()
722 * Returns: 0 on success, -1 on failure
724 * This function can be used to update the P2P module configuration with
725 * information that was not available at the time of the p2p_init() call.
727 int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type);
730 * p2p_set_sec_dev_types - Set secondary device types
731 * @p2p: P2P module context from p2p_init()
732 * Returns: 0 on success, -1 on failure
734 * This function can be used to update the P2P module configuration with
735 * information that was not available at the time of the p2p_init() call.
737 int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
738 size_t num_dev_types);
740 int p2p_set_country(struct p2p_data *p2p, const char *country);
743 /* Commands from upper layer management entity */
745 enum p2p_discovery_type {
746 P2P_FIND_START_WITH_FULL,
747 P2P_FIND_ONLY_SOCIAL,
752 * p2p_find - Start P2P Find (Device Discovery)
753 * @p2p: P2P module context from p2p_init()
754 * @timeout: Timeout for find operation in seconds or 0 for no timeout
755 * @type: Device Discovery type
756 * @num_req_dev_types: Number of requested device types
757 * @req_dev_types: Requested device types array, must be an array
758 * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no
759 * requested device types.
760 * Returns: 0 on success, -1 on failure
762 int p2p_find(struct p2p_data *p2p, unsigned int timeout,
763 enum p2p_discovery_type type,
764 unsigned int num_req_dev_types, const u8 *req_dev_types);
767 * p2p_stop_find - Stop P2P Find (Device Discovery)
768 * @p2p: P2P module context from p2p_init()
770 void p2p_stop_find(struct p2p_data *p2p);
773 * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq
774 * @p2p: P2P module context from p2p_init()
775 * @freq: Frequency in MHz for next operation
777 * This is like p2p_stop_find(), but Listen state is not stopped if we are
778 * already on the same frequency.
780 void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq);
783 * p2p_listen - Start P2P Listen state for specified duration
784 * @p2p: P2P module context from p2p_init()
785 * @timeout: Listen state duration in milliseconds
786 * Returns: 0 on success, -1 on failure
788 * This function can be used to request the P2P module to keep the device
789 * discoverable on the listen channel for an extended set of time. At least in
790 * its current form, this is mainly used for testing purposes and may not be of
791 * much use for normal P2P operations.
793 int p2p_listen(struct p2p_data *p2p, unsigned int timeout);
796 * p2p_connect - Start P2P group formation (GO negotiation)
797 * @p2p: P2P module context from p2p_init()
798 * @peer_addr: MAC address of the peer P2P client
799 * @wps_method: WPS method to be used in provisioning
800 * @go_intent: Local GO intent value (1..15)
801 * @own_interface_addr: Intended interface address to use with the group
802 * @force_freq: The only allowed channel frequency in MHz or 0
803 * @persistent_group: Whether to create a persistent group
804 * Returns: 0 on success, -1 on failure
806 int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
807 enum p2p_wps_method wps_method,
808 int go_intent, const u8 *own_interface_addr,
809 unsigned int force_freq, int persistent_group);
812 * p2p_authorize - Authorize P2P group formation (GO negotiation)
813 * @p2p: P2P module context from p2p_init()
814 * @peer_addr: MAC address of the peer P2P client
815 * @wps_method: WPS method to be used in provisioning
816 * @go_intent: Local GO intent value (1..15)
817 * @own_interface_addr: Intended interface address to use with the group
818 * @force_freq: The only allowed channel frequency in MHz or 0
819 * @persistent_group: Whether to create a persistent group
820 * Returns: 0 on success, -1 on failure
822 * This is like p2p_connect(), but the actual group negotiation is not
823 * initiated automatically, i.e., the other end is expected to do that.
825 int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
826 enum p2p_wps_method wps_method,
827 int go_intent, const u8 *own_interface_addr,
828 unsigned int force_freq, int persistent_group);
831 * p2p_reject - Reject peer device (explicitly block connection attempts)
832 * @p2p: P2P module context from p2p_init()
833 * @peer_addr: MAC address of the peer P2P client
834 * Returns: 0 on success, -1 on failure
836 int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr);
839 * p2p_prov_disc_req - Send Provision Discovery Request
840 * @p2p: P2P module context from p2p_init()
841 * @peer_addr: MAC address of the peer P2P client
842 * @config_methods: WPS Config Methods value (only one bit set)
843 * @join: Whether this is used by a client joining an active group
844 * Returns: 0 on success, -1 on failure
846 * This function can be used to request a discovered P2P peer to display a PIN
847 * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us
848 * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame
849 * is transmitted once immediately and if no response is received, the frame
850 * will be sent again whenever the target device is discovered during device
851 * dsicovery (start with a p2p_find() call). Response from the peer is
852 * indicated with the p2p_config::prov_disc_resp() callback.
854 int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
855 u16 config_methods, int join);
858 * p2p_sd_request - Schedule a service discovery query
859 * @p2p: P2P module context from p2p_init()
860 * @dst: Destination peer or %NULL to apply for all peers
861 * @tlvs: P2P Service Query TLV(s)
862 * Returns: Reference to the query or %NULL on failure
864 * Response to the query is indicated with the p2p_config::sd_response()
867 void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
868 const struct wpabuf *tlvs);
871 * p2p_sd_cancel_request - Cancel a pending service discovery query
872 * @p2p: P2P module context from p2p_init()
873 * @req: Query reference from p2p_sd_request()
874 * Returns: 0 if request for cancelled; -1 if not found
876 int p2p_sd_cancel_request(struct p2p_data *p2p, void *req);
879 * p2p_sd_response - Send response to a service discovery query
880 * @p2p: P2P module context from p2p_init()
881 * @freq: Frequency from p2p_config::sd_request() callback
882 * @dst: Destination address from p2p_config::sd_request() callback
883 * @dialog_token: Dialog token from p2p_config::sd_request() callback
884 * @resp_tlvs: P2P Service Response TLV(s)
886 * This function is called as a response to the request indicated with
887 * p2p_config::sd_request() callback.
889 void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst,
890 u8 dialog_token, const struct wpabuf *resp_tlvs);
893 * p2p_sd_service_update - Indicate a change in local services
894 * @p2p: P2P module context from p2p_init()
896 * This function needs to be called whenever there is a change in availability
897 * of the local services. This will increment the Service Update Indicator
898 * value which will be used in SD Request and Response frames.
900 void p2p_sd_service_update(struct p2p_data *p2p);
903 enum p2p_invite_role {
905 P2P_INVITE_ROLE_ACTIVE_GO,
906 P2P_INVITE_ROLE_CLIENT
910 * p2p_invite - Invite a P2P Device into a group
911 * @p2p: P2P module context from p2p_init()
912 * @peer: Device Address of the peer P2P Device
913 * @role: Local role in the group
914 * @bssid: Group BSSID or %NULL if not known
916 * @ssid_len: Length of ssid in octets
917 * @force_freq: The only allowed channel frequency in MHz or 0
918 * @go_dev_addr: Forced GO Device Address or %NULL if none
919 * @persistent_group: Whether this is to reinvoke a persistent group
920 * Returns: 0 on success, -1 on failure
922 int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
923 const u8 *bssid, const u8 *ssid, size_t ssid_len,
924 unsigned int force_freq, const u8 *go_dev_addr,
925 int persistent_group);
928 * p2p_presence_req - Request GO presence
929 * @p2p: P2P module context from p2p_init()
930 * @go_interface_addr: GO P2P Interface Address
931 * @own_interface_addr: Own P2P Interface Address for this group
932 * @freq: Group operating frequence (in MHz)
933 * @duration1: Preferred presence duration in microseconds
934 * @interval1: Preferred presence interval in microseconds
935 * @duration2: Acceptable presence duration in microseconds
936 * @interval2: Acceptable presence interval in microseconds
937 * Returns: 0 on success, -1 on failure
939 * If both duration and interval values are zero, the parameter pair is not
940 * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0).
942 int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
943 const u8 *own_interface_addr, unsigned int freq,
944 u32 duration1, u32 interval1, u32 duration2,
948 * p2p_ext_listen - Set Extended Listen Timing
949 * @p2p: P2P module context from p2p_init()
950 * @freq: Group operating frequence (in MHz)
951 * @period: Availability period in milliseconds (1-65535; 0 to disable)
952 * @interval: Availability interval in milliseconds (1-65535; 0 to disable)
953 * Returns: 0 on success, -1 on failure
955 * This function can be used to enable or disable (period = interval = 0)
956 * Extended Listen Timing. When enabled, the P2P Device will become
957 * discoverable (go into Listen State) every @interval milliseconds for at
958 * least @period milliseconds.
960 int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
961 unsigned int interval);
963 /* Event notifications from upper layer management operations */
966 * p2p_wps_success_cb - Report successfully completed WPS provisioning
967 * @p2p: P2P module context from p2p_init()
968 * @mac_addr: Peer address
970 * This function is used to report successfully completed WPS provisioning
971 * during group formation in both GO/Registrar and client/Enrollee roles.
973 void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr);
976 * p2p_group_formation_failed - Report failed WPS provisioning
977 * @p2p: P2P module context from p2p_init()
979 * This function is used to report failed group formation. This can happen
980 * either due to failed WPS provisioning or due to 15 second timeout during
981 * the provisioning phase.
983 void p2p_group_formation_failed(struct p2p_data *p2p);
986 /* Event notifications from lower layer driver operations */
989 * p2p_probe_req_rx - Report reception of a Probe Request frame
990 * @p2p: P2P module context from p2p_init()
991 * @addr: Source MAC address
992 * @ie: Information elements from the Probe Request frame body
993 * @ie_len: Length of ie buffer in octets
994 * Returns: 0 to indicate the frame was not processed or 1 if it was
996 int p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *ie,
1000 * p2p_rx_action - Report received Action frame
1001 * @p2p: P2P module context from p2p_init()
1002 * @da: Destination address of the received Action frame
1003 * @sa: Source address of the received Action frame
1004 * @bssid: Address 3 of the received Action frame
1005 * @category: Category of the received Action frame
1006 * @data: Action frame body after the Category field
1007 * @len: Length of the data buffer in octets
1008 * @freq: Frequency (in MHz) on which the frame was received
1010 void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
1011 const u8 *bssid, u8 category,
1012 const u8 *data, size_t len, int freq);
1015 * p2p_scan_res_handler - Indicate a P2P scan results
1016 * @p2p: P2P module context from p2p_init()
1017 * @bssid: BSSID of the scan result
1018 * @freq: Frequency of the channel on which the device was found in MHz
1019 * @level: Signal level (signal strength of the received Beacon/Probe Response
1021 * @ies: Pointer to IEs from the scan result
1022 * @ies_len: Length of the ies buffer
1023 * Returns: 0 to continue or 1 to stop scan result indication
1025 * This function is called to indicate a scan result entry with P2P IE from a
1026 * scan requested with struct p2p_config::p2p_scan(). This can be called during
1027 * the actual scan process (i.e., whenever a new device is found) or as a
1028 * sequence of calls after the full scan has been completed. The former option
1029 * can result in optimized operations, but may not be supported by all
1030 * driver/firmware designs. The ies buffer need to include at least the P2P IE,
1031 * but it is recommended to include all IEs received from the device. The
1032 * caller does not need to check that the IEs contain a P2P IE before calling
1033 * this function since frames will be filtered internally if needed.
1035 * This function will return 1 if it wants to stop scan result iteration (and
1036 * scan in general if it is still in progress). This is used to allow faster
1037 * start of a pending operation, e.g., to start a pending GO negotiation.
1039 int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
1040 int level, const u8 *ies, size_t ies_len);
1043 * p2p_scan_res_handled - Indicate end of scan results
1044 * @p2p: P2P module context from p2p_init()
1046 * This function is called to indicate that all P2P scan results from a scan
1047 * have been reported with zero or more calls to p2p_scan_res_handler(). This
1048 * function must be called as a response to successful
1049 * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler()
1050 * calls stopped iteration.
1052 void p2p_scan_res_handled(struct p2p_data *p2p);
1054 enum p2p_send_action_result {
1055 P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
1056 P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */,
1057 P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
1061 * p2p_send_action_cb - Notify TX status of an Action frame
1062 * @p2p: P2P module context from p2p_init()
1063 * @freq: Channel frequency in MHz
1064 * @dst: Destination MAC address (Address 1)
1065 * @src: Source MAC address (Address 2)
1066 * @bssid: BSSID (Address 3)
1067 * @result: Result of the transmission attempt
1069 * This function is used to indicate the result of an Action frame transmission
1070 * that was requested with struct p2p_config::send_action() callback.
1072 void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
1073 const u8 *src, const u8 *bssid,
1074 enum p2p_send_action_result result);
1077 * p2p_listen_cb - Indicate the start of a requested Listen state
1078 * @p2p: P2P module context from p2p_init()
1079 * @freq: Listen channel frequency in MHz
1080 * @duration: Duration for the Listen state in milliseconds
1082 * This function is used to indicate that a Listen state requested with
1083 * struct p2p_config::start_listen() callback has started.
1085 void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
1086 unsigned int duration);
1089 * p2p_listen_end - Indicate the end of a requested Listen state
1090 * @p2p: P2P module context from p2p_init()
1091 * @freq: Listen channel frequency in MHz
1092 * Returns: 0 if no operations were started, 1 if an operation was started
1094 * This function is used to indicate that a Listen state requested with
1095 * struct p2p_config::start_listen() callback has ended.
1097 int p2p_listen_end(struct p2p_data *p2p, unsigned int freq);
1099 void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1100 const u8 *ie, size_t ie_len);
1102 void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1103 const u8 *ie, size_t ie_len);
1106 /* Per-group P2P state for GO */
1111 * struct p2p_group_config - P2P group configuration
1113 * This configuration is provided to the P2P module during initialization of
1114 * the per-group information with p2p_group_init().
1116 struct p2p_group_config {
1118 * persistent_group - Whether the group is persistent
1120 int persistent_group;
1123 * interface_addr - P2P Interface Address of the group
1125 u8 interface_addr[ETH_ALEN];
1128 * max_clients - Maximum number of clients in the group
1130 unsigned int max_clients;
1133 * cb_ctx - Context to use with callback functions
1138 * ie_update - Notification of IE update
1139 * @ctx: Callback context from cb_ctx
1140 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change
1141 * @proberesp_ies: P2P Ie for Probe Response frames
1143 * P2P module uses this callback function to notify whenever the P2P IE
1144 * in Beacon or Probe Response frames should be updated based on group
1147 * The callee is responsible for freeing the returned buffer(s) with
1150 void (*ie_update)(void *ctx, struct wpabuf *beacon_ies,
1151 struct wpabuf *proberesp_ies);
1154 * idle_update - Notification of changes in group idle state
1155 * @ctx: Callback context from cb_ctx
1156 * @idle: Whether the group is idle (no associated stations)
1158 void (*idle_update)(void *ctx, int idle);
1162 * p2p_group_init - Initialize P2P group
1163 * @p2p: P2P module context from p2p_init()
1164 * @config: P2P group configuration (will be freed by p2p_group_deinit())
1165 * Returns: Pointer to private data or %NULL on failure
1167 * This function is used to initialize per-group P2P module context. Currently,
1168 * this is only used to manage GO functionality and P2P clients do not need to
1169 * create an instance of this per-group information.
1171 struct p2p_group * p2p_group_init(struct p2p_data *p2p,
1172 struct p2p_group_config *config);
1175 * p2p_group_deinit - Deinitialize P2P group
1176 * @group: P2P group context from p2p_group_init()
1178 void p2p_group_deinit(struct p2p_group *group);
1181 * p2p_group_notif_assoc - Notification of P2P client association with GO
1182 * @group: P2P group context from p2p_group_init()
1183 * @addr: Interface address of the P2P client
1184 * @ie: IEs from the (Re)association Request frame
1185 * @len: Length of the ie buffer in octets
1186 * Returns: 0 on success, -1 on failure
1188 int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
1189 const u8 *ie, size_t len);
1192 * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response
1193 * @group: P2P group context from p2p_group_init()
1194 * @status: Status value (P2P_SC_SUCCESS if association succeeded)
1195 * Returns: P2P IE for (Re)association Response or %NULL on failure
1197 * The caller is responsible for freeing the returned buffer with
1200 struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status);
1203 * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO
1204 * @group: P2P group context from p2p_group_init()
1205 * @addr: Interface address of the P2P client
1207 void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr);
1210 * p2p_group_notif_formation_done - Notification of completed group formation
1211 * @group: P2P group context from p2p_group_init()
1213 void p2p_group_notif_formation_done(struct p2p_group *group);
1216 * p2p_group_notif_noa - Notification of NoA change
1217 * @group: P2P group context from p2p_group_init()
1218 * @noa: Notice of Absence attribute payload, %NULL if none
1219 * @noa_len: Length of noa buffer in octets
1220 * Returns: 0 on success, -1 on failure
1222 * Notify the P2P group management about a new NoA contents. This will be
1223 * inserted into the P2P IEs in Beacon and Probe Response frames with rest of
1224 * the group information.
1226 int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
1230 * p2p_group_match_dev_type - Match device types in group with requested type
1231 * @group: P2P group context from p2p_group_init()
1232 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
1233 * Returns: 1 on match, 0 on mismatch
1235 * This function can be used to match the Requested Device Type attribute in
1236 * WPS IE with the device types of a group member for deciding whether a GO
1237 * should reply to a Probe Request frame. Match will be reported if the WPS IE
1238 * is not requested any specific device type.
1240 int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps);
1243 * p2p_group_go_discover - Send GO Discoverability Request to a group client
1244 * @group: P2P group context from p2p_group_init()
1245 * Returns: 0 on success (frame scheduled); -1 if client was not found
1247 int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
1248 const u8 *searching_dev, int rx_freq);
1251 /* Generic helper functions */
1254 * p2p_ie_text - Build text format description of P2P IE
1256 * @buf: Buffer for returning text
1257 * @end: Pointer to the end of the buf area
1258 * Returns: Number of octets written to the buffer or -1 on failure
1260 * This function can be used to parse P2P IE contents into text format
1261 * field=value lines.
1263 int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end);
1266 * p2p_scan_result_text - Build text format description of P2P IE
1267 * @ies: Information elements from scan results
1268 * @ies_len: ies buffer length in octets
1269 * @buf: Buffer for returning text
1270 * @end: Pointer to the end of the buf area
1271 * Returns: Number of octets written to the buffer or -1 on failure
1273 * This function can be used to parse P2P IE contents into text format
1274 * field=value lines.
1276 int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end);
1279 * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame
1280 * @p2p: P2P module context from p2p_init()
1282 * @buf: Buffer for writing the P2P IE
1283 * @len: Maximum buf length in octets
1284 * @p2p_group: Whether this is for association with a P2P GO
1285 * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none
1286 * Returns: Number of octets written into buf or -1 on failure
1288 int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
1289 size_t len, int p2p_group, struct wpabuf *p2p_ie);
1292 * p2p_scan_ie - Build P2P IE for Probe Request
1293 * @p2p: P2P module context from p2p_init()
1294 * @ies: Buffer for writing P2P IE
1296 void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies);
1299 * p2p_go_params - Generate random P2P group parameters
1300 * @p2p: P2P module context from p2p_init()
1301 * @params: Buffer for parameters
1302 * Returns: 0 on success, -1 on failure
1304 int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params);
1307 * p2p_get_group_capab - Get Group Capability from P2P IE data
1308 * @p2p_ie: P2P IE(s) contents
1309 * Returns: Group Capability
1311 u8 p2p_get_group_capab(const struct wpabuf *p2p_ie);
1314 * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection
1315 * @p2p_ie: P2P IE(s) contents
1316 * Returns: 0 if cross connection is allow, 1 if not
1318 int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie);
1321 * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data
1322 * @p2p_ie: P2P IE(s) contents
1323 * Returns: Pointer to P2P Device Address or %NULL if not included
1325 const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie);
1328 * p2p_get_peer_info - Get P2P peer information in text format
1329 * @p2p: P2P module context from p2p_init()
1330 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
1331 * @next: Whether to select the peer entry following the one indicated by addr
1332 * @buf: Buffer for returning text
1333 * @buflen: Maximum buffer length
1334 * Returns: Number of octets written to the buffer or -1 on failure
1336 int p2p_get_peer_info(struct p2p_data *p2p, const u8 *addr, int next,
1337 char *buf, size_t buflen);
1340 * p2p_set_client_discoverability - Set client discoverability capability
1341 * @p2p: P2P module context from p2p_init()
1342 * @enabled: Whether client discoverability will be enabled
1344 * This function can be used to disable (and re-enable) client discoverability.
1345 * This capability is enabled by default and should not be disabled in normal
1346 * use cases, i.e., this is mainly for testing purposes.
1348 void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled);
1351 * p2p_set_manageD_oper - Set managed P2P Device operations capability
1352 * @p2p: P2P module context from p2p_init()
1353 * @enabled: Whether managed P2P Device operations will be enabled
1355 void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
1357 int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel);
1359 int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
1361 int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
1363 int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
1366 void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr);
1369 * p2p_set_cross_connect - Set cross connection capability
1370 * @p2p: P2P module context from p2p_init()
1371 * @enabled: Whether cross connection will be enabled
1373 void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
1375 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
1377 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
1378 const u8 *ies, size_t ies_len);
1381 * p2p_set_intra_bss_dist - Set intra BSS distribution
1382 * @p2p: P2P module context from p2p_init()
1383 * @enabled: Whether intra BSS distribution will be enabled
1385 void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
1388 * p2p_supported_freq - Check whether channel is supported for P2P
1389 * @p2p: P2P module context from p2p_init()
1390 * @freq: Channel frequency in MHz
1391 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
1393 int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
1395 void p2p_update_channel_list(struct p2p_data *p2p, struct p2p_channels *chan);
1398 * p2p_set_best_channels - Update best channel information
1399 * @p2p: P2P module context from p2p_init()
1400 * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band
1401 * @freq_5: Frequency (MHz) of best channel in 5 GHz band
1402 * @freq_overall: Frequency (MHz) of best channel overall
1404 void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
1407 const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p);
1410 * p2p_get_group_num_members - Get number of members in group
1411 * @group: P2P group context from p2p_group_init()
1412 * Returns: Number of members in the group
1414 unsigned int p2p_get_group_num_members(struct p2p_group *group);
1417 * p2p_iterate_group_members - Iterate group members
1418 * @group: P2P group context from p2p_group_init()
1419 * @next: iteration pointer, must be a pointer to a void * that is set to %NULL
1420 * on the first call and not modified later
1421 * Returns: A P2P Interface Address for each call and %NULL for no more members
1423 const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
1426 * p2p_get_peer_found - Get P2P peer info structure of a found peer
1427 * @p2p: P2P module context from p2p_init()
1428 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
1429 * @next: Whether to select the peer entry following the one indicated by addr
1430 * Returns: The first P2P peer info available or %NULL if no such peer exists
1432 const struct p2p_peer_info *
1433 p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next);
1436 * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions
1437 * @p2p: P2P module context from p2p_init()
1439 void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p);
1442 * p2p_add_wps_vendor_extension - Add a WPS vendor extension
1443 * @p2p: P2P module context from p2p_init()
1444 * @vendor_ext: The vendor extensions to add
1445 * Returns: 0 on success, -1 on failure
1447 * The wpabuf structures in the array are owned by the P2P
1448 * module after this call.
1450 int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
1451 const struct wpabuf *vendor_ext);