2 * Wi-Fi Direct - P2P module
3 * Copyright (c) 2009-2010, Atheros Communications
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "common/ieee802_11_defs.h"
15 /* P2P ASP Setup Capability */
16 #define P2PS_SETUP_NONE 0
17 #define P2PS_SETUP_NEW BIT(0)
18 #define P2PS_SETUP_CLIENT BIT(1)
19 #define P2PS_SETUP_GROUP_OWNER BIT(2)
21 #define P2PS_WILD_HASH_STR "org.wi-fi.wfds"
22 #define P2PS_HASH_LEN 6
23 #define P2P_MAX_QUERY_HASH 6
26 * P2P_MAX_REG_CLASSES - Maximum number of regulatory classes
28 #define P2P_MAX_REG_CLASSES 10
31 * P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class
33 #define P2P_MAX_REG_CLASS_CHANNELS 20
36 * struct p2p_channels - List of supported channels
40 * struct p2p_reg_class - Supported regulatory class
42 struct p2p_reg_class {
44 * reg_class - Regulatory class (IEEE 802.11-2007, Annex J)
49 * channel - Supported channels
51 u8 channel[P2P_MAX_REG_CLASS_CHANNELS];
54 * channels - Number of channel entries in use
57 } reg_class[P2P_MAX_REG_CLASSES];
60 * reg_classes - Number of reg_class entries in use
66 WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC,
71 * struct p2p_go_neg_results - P2P Group Owner Negotiation results
73 struct p2p_go_neg_results {
75 * status - Negotiation result (Status Code)
77 * 0 (P2P_SC_SUCCESS) indicates success. Non-zero values indicate
83 * role_go - Whether local end is Group Owner
88 * freq - Frequency of the group operational channel in MHz
97 * ssid - SSID of the group
99 u8 ssid[SSID_MAX_LEN];
102 * ssid_len - Length of SSID in octets
107 * psk - WPA pre-shared key (256 bits) (GO only)
112 * psk_set - Whether PSK field is configured (GO only)
117 * passphrase - WPA2-Personal passphrase for the group (GO only)
122 * peer_device_addr - P2P Device Address of the peer
124 u8 peer_device_addr[ETH_ALEN];
127 * peer_interface_addr - P2P Interface Address of the peer
129 u8 peer_interface_addr[ETH_ALEN];
132 * wps_method - WPS method to be used during provisioning
134 enum p2p_wps_method wps_method;
136 #define P2P_MAX_CHANNELS 50
139 * freq_list - Zero-terminated list of possible operational channels
141 int freq_list[P2P_MAX_CHANNELS];
144 * persistent_group - Whether the group should be made persistent
146 * 1 = persistent group without persistent reconnect
147 * 2 = persistent group with persistent reconnect
149 int persistent_group;
152 * peer_config_timeout - Peer configuration timeout (in 10 msec units)
154 unsigned int peer_config_timeout;
157 struct p2ps_provision {
159 * status - Remote returned provisioning status code
164 * adv_id - P2PS Advertisement ID
169 * session_id - P2PS Session ID
174 * method - WPS Method (to be) used to establish session
179 * conncap - Connection Capabilities negotiated between P2P peers
184 * role - Info about the roles to be used for this connection
189 * session_mac - MAC address of the peer that started the session
191 u8 session_mac[ETH_ALEN];
194 * adv_mac - MAC address of the peer advertised the service
196 u8 adv_mac[ETH_ALEN];
199 * info - Vendor defined extra Provisioning information
204 struct p2ps_advertisement {
205 struct p2ps_advertisement *next;
208 * svc_info - Pointer to (internal) Service defined information
213 * id - P2PS Advertisement ID
218 * config_methods - WPS Methods which are allowed for this service
223 * state - Current state of the service: 0 - Out Of Service, 1-255 Vendor defined
228 * auto_accept - Automatically Accept provisioning request if possible.
233 * hash - 6 octet Service Name has to match against incoming Probe Requests
235 u8 hash[P2PS_HASH_LEN];
238 * svc_name - NULL Terminated UTF-8 Service Name, and svc_info storage
250 P2P_SCAN_SOCIAL_PLUS_ONE
253 #define P2P_MAX_WPS_VENDOR_EXT 10
256 * struct p2p_peer_info - P2P peer information
258 struct p2p_peer_info {
260 * p2p_device_addr - P2P Device Address of the peer
262 u8 p2p_device_addr[ETH_ALEN];
265 * pri_dev_type - Primary Device Type
270 * device_name - Device Name (0..32 octets encoded in UTF-8)
272 char device_name[WPS_DEV_NAME_MAX_LEN + 1];
275 * manufacturer - Manufacturer (0..64 octets encoded in UTF-8)
277 char manufacturer[65];
280 * model_name - Model Name (0..32 octets encoded in UTF-8)
285 * model_number - Model Number (0..32 octets encoded in UTF-8)
287 char model_number[33];
290 * serial_number - Serial Number (0..32 octets encoded in UTF-8)
292 char serial_number[33];
295 * level - Signal level
300 * config_methods - WPS Configuration Methods
305 * dev_capab - Device Capabilities
310 * group_capab - Group Capabilities
315 * wps_sec_dev_type_list - WPS secondary device type list
317 * This list includes from 0 to 16 Secondary Device Types as indicated
318 * by wps_sec_dev_type_list_len (8 * number of types).
320 u8 wps_sec_dev_type_list[WPS_SEC_DEV_TYPE_MAX_LEN];
323 * wps_sec_dev_type_list_len - Length of secondary device type list
325 size_t wps_sec_dev_type_list_len;
327 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
330 * wfd_subelems - Wi-Fi Display subelements from WFD IE(s)
332 struct wpabuf *wfd_subelems;
335 * vendor_elems - Unrecognized vendor elements
337 * This buffer includes any other vendor element than P2P, WPS, and WFD
338 * IE(s) from the frame that was used to discover the peer.
340 struct wpabuf *vendor_elems;
343 * p2ps_instance - P2PS Application Service Info
345 struct wpabuf *p2ps_instance;
348 enum p2p_prov_disc_status {
349 P2P_PROV_DISC_SUCCESS,
350 P2P_PROV_DISC_TIMEOUT,
351 P2P_PROV_DISC_REJECTED,
352 P2P_PROV_DISC_TIMEOUT_JOIN,
353 P2P_PROV_DISC_INFO_UNAVAILABLE,
362 * struct p2p_config - P2P configuration
364 * This configuration is provided to the P2P module during initialization with
369 * country - Country code to use in P2P operations
374 * reg_class - Regulatory class for own listen channel
379 * channel - Own listen channel
384 * channel_forced - the listen channel was forced by configuration
385 * or by control interface and cannot be overridden
390 * Regulatory class for own operational channel
395 * op_channel - Own operational channel
400 * cfg_op_channel - Whether op_channel is hardcoded in configuration
405 * channels - Own supported regulatory classes and channels
407 * List of supposerted channels per regulatory class. The regulatory
408 * classes are defined in IEEE Std 802.11-2007 Annex J and the
409 * numbering of the clases depends on the configured country code.
411 struct p2p_channels channels;
414 * cli_channels - Additional client channels
416 * This list of channels (if any) will be used when advertising local
417 * channels during GO Negotiation or Invitation for the cases where the
418 * local end may become the client. This may allow the peer to become a
419 * GO on additional channels if it supports these options. The main use
420 * case for this is to include passive-scan channels on devices that may
421 * not know their current location and have configured most channels to
422 * not allow initiation of radition (i.e., another device needs to take
423 * master responsibilities).
425 struct p2p_channels cli_channels;
428 * num_pref_chan - Number of pref_chan entries
430 unsigned int num_pref_chan;
433 * pref_chan - Preferred channels for GO Negotiation
435 struct p2p_channel *pref_chan;
438 * pri_dev_type - Primary Device Type (see WPS)
443 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types
445 #define P2P_SEC_DEVICE_TYPES 5
448 * sec_dev_type - Optional secondary device types
450 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
453 * num_sec_dev_types - Number of sec_dev_type entries
455 size_t num_sec_dev_types;
458 * dev_addr - P2P Device Address
460 u8 dev_addr[ETH_ALEN];
463 * dev_name - Device Name
476 * concurrent_operations - Whether concurrent operations are supported
478 int concurrent_operations;
481 * max_peers - Maximum number of discovered peers to remember
483 * If more peers are discovered, older entries will be removed to make
484 * room for the new ones.
489 * p2p_intra_bss - Intra BSS communication is supported
494 * ssid_postfix - Postfix data to add to the SSID
496 * This data will be added to the end of the SSID after the
497 * DIRECT-<random two octets> prefix.
499 u8 ssid_postfix[SSID_MAX_LEN - 9];
502 * ssid_postfix_len - Length of the ssid_postfix data
504 size_t ssid_postfix_len;
507 * max_listen - Maximum listen duration in ms
509 unsigned int max_listen;
512 * passphrase_len - Passphrase length (8..63)
514 * This parameter controls the length of the random passphrase that is
515 * generated at the GO.
517 unsigned int passphrase_len;
520 * cb_ctx - Context to use with callback functions
525 * debug_print - Debug print
526 * @ctx: Callback context from cb_ctx
527 * @level: Debug verbosity level (MSG_*)
528 * @msg: Debug message
530 void (*debug_print)(void *ctx, int level, const char *msg);
533 /* Callbacks to request lower layer driver operations */
536 * p2p_scan - Request a P2P scan/search
537 * @ctx: Callback context from cb_ctx
539 * @freq: Specific frequency (MHz) to scan or 0 for no restriction
540 * @num_req_dev_types: Number of requested device types
541 * @req_dev_types: Array containing requested device types
542 * @dev_id: Device ID to search for or %NULL to find all devices
543 * @pw_id: Device Password ID
544 * Returns: 0 on success, -1 on failure
546 * This callback function is used to request a P2P scan or search
547 * operation to be completed. Type type argument specifies which type
548 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the
549 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL
550 * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC
551 * request a scan of a single channel specified by freq.
552 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels
553 * plus one extra channel specified by freq.
555 * The full scan is used for the initial scan to find group owners from
556 * all. The other types are used during search phase scan of the social
557 * channels (with potential variation if the Listen channel of the
558 * target peer is known or if other channels are scanned in steps).
560 * The scan results are returned after this call by calling
561 * p2p_scan_res_handler() for each scan result that has a P2P IE and
562 * then calling p2p_scan_res_handled() to indicate that all scan
563 * results have been indicated.
565 int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq,
566 unsigned int num_req_dev_types,
567 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id);
570 * send_probe_resp - Transmit a Probe Response frame
571 * @ctx: Callback context from cb_ctx
572 * @buf: Probe Response frame (including the header and body)
573 * Returns: 0 on success, -1 on failure
575 * This function is used to reply to Probe Request frames that were
576 * indicated with a call to p2p_probe_req_rx(). The response is to be
577 * sent on the same channel or to be dropped if the driver is not
578 * anymore listening to Probe Request frames.
580 * Alternatively, the responsibility for building the Probe Response
581 * frames in Listen state may be in another system component in which
582 * case this function need to be implemented (i.e., the function
583 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe
584 * Response frames in such a case are available from the
585 * start_listen() callback. It should be noted that the received Probe
586 * Request frames must be indicated by calling p2p_probe_req_rx() even
587 * if this send_probe_resp() is not used.
589 int (*send_probe_resp)(void *ctx, const struct wpabuf *buf);
592 * send_action - Transmit an Action frame
593 * @ctx: Callback context from cb_ctx
594 * @freq: Frequency in MHz for the channel on which to transmit
595 * @dst: Destination MAC address (Address 1)
596 * @src: Source MAC address (Address 2)
597 * @bssid: BSSID (Address 3)
598 * @buf: Frame body (starting from Category field)
599 * @len: Length of buf in octets
600 * @wait_time: How many msec to wait for a response frame
601 * Returns: 0 on success, -1 on failure
603 * The Action frame may not be transmitted immediately and the status
604 * of the transmission must be reported by calling
605 * p2p_send_action_cb() once the frame has either been transmitted or
606 * it has been dropped due to excessive retries or other failure to
609 int (*send_action)(void *ctx, unsigned int freq, const u8 *dst,
610 const u8 *src, const u8 *bssid, const u8 *buf,
611 size_t len, unsigned int wait_time);
614 * send_action_done - Notify that Action frame sequence was completed
615 * @ctx: Callback context from cb_ctx
617 * This function is called when the Action frame sequence that was
618 * started with send_action() has been completed, i.e., when there is
619 * no need to wait for a response from the destination peer anymore.
621 void (*send_action_done)(void *ctx);
624 * start_listen - Start Listen state
625 * @ctx: Callback context from cb_ctx
626 * @freq: Frequency of the listen channel in MHz
627 * @duration: Duration for the Listen state in milliseconds
628 * @probe_resp_ie: IE(s) to be added to Probe Response frames
629 * Returns: 0 on success, -1 on failure
631 * This Listen state may not start immediately since the driver may
632 * have other pending operations to complete first. Once the Listen
633 * state has started, p2p_listen_cb() must be called to notify the P2P
634 * module. Once the Listen state is stopped, p2p_listen_end() must be
635 * called to notify the P2P module that the driver is not in the Listen
638 * If the send_probe_resp() is not used for generating the response,
639 * the IEs from probe_resp_ie need to be added to the end of the Probe
640 * Response frame body. If send_probe_resp() is used, the probe_resp_ie
641 * information can be ignored.
643 int (*start_listen)(void *ctx, unsigned int freq,
644 unsigned int duration,
645 const struct wpabuf *probe_resp_ie);
647 * stop_listen - Stop Listen state
648 * @ctx: Callback context from cb_ctx
650 * This callback can be used to stop a Listen state operation that was
651 * previously requested with start_listen().
653 void (*stop_listen)(void *ctx);
656 * get_noa - Get current Notice of Absence attribute payload
657 * @ctx: Callback context from cb_ctx
658 * @interface_addr: P2P Interface Address of the GO
659 * @buf: Buffer for returning NoA
660 * @buf_len: Buffer length in octets
661 * Returns: Number of octets used in buf, 0 to indicate no NoA is being
662 * advertized, or -1 on failure
664 * This function is used to fetch the current Notice of Absence
665 * attribute value from GO.
667 int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf,
670 /* Callbacks to notify events to upper layer management entity */
673 * dev_found - Notification of a found P2P Device
674 * @ctx: Callback context from cb_ctx
675 * @addr: Source address of the message triggering this notification
676 * @info: P2P peer information
677 * @new_device: Inform if the peer is newly found
679 * This callback is used to notify that a new P2P Device has been
680 * found. This may happen, e.g., during Search state based on scan
681 * results or during Listen state based on receive Probe Request and
682 * Group Owner Negotiation Request.
684 void (*dev_found)(void *ctx, const u8 *addr,
685 const struct p2p_peer_info *info,
689 * dev_lost - Notification of a lost P2P Device
690 * @ctx: Callback context from cb_ctx
691 * @dev_addr: P2P Device Address of the lost P2P Device
693 * This callback is used to notify that a P2P Device has been deleted.
695 void (*dev_lost)(void *ctx, const u8 *dev_addr);
698 * find_stopped - Notification of a p2p_find operation stopping
699 * @ctx: Callback context from cb_ctx
701 void (*find_stopped)(void *ctx);
704 * go_neg_req_rx - Notification of a receive GO Negotiation Request
705 * @ctx: Callback context from cb_ctx
706 * @src: Source address of the message triggering this notification
707 * @dev_passwd_id: WPS Device Password ID
709 * This callback is used to notify that a P2P Device is requesting
710 * group owner negotiation with us, but we do not have all the
711 * necessary information to start GO Negotiation. This indicates that
712 * the local user has not authorized the connection yet by providing a
713 * PIN or PBC button press. This information can be provided with a
714 * call to p2p_connect().
716 void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id);
719 * go_neg_completed - Notification of GO Negotiation results
720 * @ctx: Callback context from cb_ctx
721 * @res: GO Negotiation results
723 * This callback is used to notify that Group Owner Negotiation has
724 * been completed. Non-zero struct p2p_go_neg_results::status indicates
725 * failed negotiation. In case of success, this function is responsible
726 * for creating a new group interface (or using the existing interface
727 * depending on driver features), setting up the group interface in
728 * proper mode based on struct p2p_go_neg_results::role_go and
729 * initializing WPS provisioning either as a Registrar (if GO) or as an
730 * Enrollee. Successful WPS provisioning must be indicated by calling
731 * p2p_wps_success_cb(). The callee is responsible for timing out group
732 * formation if WPS provisioning cannot be completed successfully
735 void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res);
738 * sd_request - Callback on Service Discovery Request
739 * @ctx: Callback context from cb_ctx
740 * @freq: Frequency (in MHz) of the channel
741 * @sa: Source address of the request
742 * @dialog_token: Dialog token
743 * @update_indic: Service Update Indicator from the source of request
744 * @tlvs: P2P Service Request TLV(s)
745 * @tlvs_len: Length of tlvs buffer in octets
747 * This callback is used to indicate reception of a service discovery
748 * request. Response to the query must be indicated by calling
749 * p2p_sd_response() with the context information from the arguments to
750 * this callback function.
752 * This callback handler can be set to %NULL to indicate that service
753 * discovery is not supported.
755 void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token,
756 u16 update_indic, const u8 *tlvs, size_t tlvs_len);
759 * sd_response - Callback on Service Discovery Response
760 * @ctx: Callback context from cb_ctx
761 * @sa: Source address of the request
762 * @update_indic: Service Update Indicator from the source of response
763 * @tlvs: P2P Service Response TLV(s)
764 * @tlvs_len: Length of tlvs buffer in octets
766 * This callback is used to indicate reception of a service discovery
767 * response. This callback handler can be set to %NULL if no service
768 * discovery requests are used. The information provided with this call
769 * is replies to the queries scheduled with p2p_sd_request().
771 void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic,
772 const u8 *tlvs, size_t tlvs_len);
775 * prov_disc_req - Callback on Provisiong Discovery Request
776 * @ctx: Callback context from cb_ctx
777 * @peer: Source address of the request
778 * @config_methods: Requested WPS Config Method
779 * @dev_addr: P2P Device Address of the found P2P Device
780 * @pri_dev_type: Primary Device Type
781 * @dev_name: Device Name
782 * @supp_config_methods: Supported configuration Methods
783 * @dev_capab: Device Capabilities
784 * @group_capab: Group Capabilities
785 * @group_id: P2P Group ID (or %NULL if not included)
786 * @group_id_len: Length of P2P Group ID
788 * This callback is used to indicate reception of a Provision Discovery
789 * Request frame that the P2P module accepted.
791 void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods,
792 const u8 *dev_addr, const u8 *pri_dev_type,
793 const char *dev_name, u16 supp_config_methods,
794 u8 dev_capab, u8 group_capab,
795 const u8 *group_id, size_t group_id_len);
798 * prov_disc_resp - Callback on Provisiong Discovery Response
799 * @ctx: Callback context from cb_ctx
800 * @peer: Source address of the response
801 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure
803 * This callback is used to indicate reception of a Provision Discovery
804 * Response frame for a pending request scheduled with
805 * p2p_prov_disc_req(). This callback handler can be set to %NULL if
806 * provision discovery is not used.
808 void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods);
811 * prov_disc_fail - Callback on Provision Discovery failure
812 * @ctx: Callback context from cb_ctx
813 * @peer: Source address of the response
814 * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS
815 * @adv_id: If non-zero, then the adv_id of the PD Request
816 * @adv_mac: P2P Device Address of the advertizer
817 * @deferred_session_resp: Deferred session response sent by advertizer
819 * This callback is used to indicate either a failure or no response
820 * to an earlier provision discovery request.
822 * This callback handler can be set to %NULL if provision discovery
823 * is not used or failures do not need to be indicated.
825 void (*prov_disc_fail)(void *ctx, const u8 *peer,
826 enum p2p_prov_disc_status status,
827 u32 adv_id, const u8 *adv_mac,
828 const char *deferred_session_resp);
831 * invitation_process - Optional callback for processing Invitations
832 * @ctx: Callback context from cb_ctx
833 * @sa: Source address of the Invitation Request
834 * @bssid: P2P Group BSSID from the request or %NULL if not included
835 * @go_dev_addr: GO Device Address from P2P Group ID
836 * @ssid: SSID from P2P Group ID
837 * @ssid_len: Length of ssid buffer in octets
838 * @go: Variable for returning whether the local end is GO in the group
839 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO)
840 * @force_freq: Variable for returning forced frequency for the group
841 * @persistent_group: Whether this is an invitation to reinvoke a
842 * persistent group (instead of invitation to join an active
844 * @channels: Available operating channels for the group
845 * @dev_pw_id: Device Password ID for NFC static handover or -1 if not
847 * Returns: Status code (P2P_SC_*)
849 * This optional callback can be used to implement persistent reconnect
850 * by allowing automatic restarting of persistent groups without user
851 * interaction. If this callback is not implemented (i.e., is %NULL),
852 * the received Invitation Request frames are replied with
853 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the
854 * invitation_result() callback.
856 * If the requested parameters are acceptable and the group is known,
857 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown,
858 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED
859 * can be returned if there is not enough data to provide immediate
860 * response, i.e., if some sort of user interaction is needed. The
861 * invitation_received() callback will be called in that case
862 * immediately after this call.
864 u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid,
865 const u8 *go_dev_addr, const u8 *ssid,
866 size_t ssid_len, int *go, u8 *group_bssid,
867 int *force_freq, int persistent_group,
868 const struct p2p_channels *channels,
872 * invitation_received - Callback on Invitation Request RX
873 * @ctx: Callback context from cb_ctx
874 * @sa: Source address of the Invitation Request
875 * @bssid: P2P Group BSSID or %NULL if not received
876 * @ssid: SSID of the group
877 * @ssid_len: Length of ssid in octets
878 * @go_dev_addr: GO Device Address
879 * @status: Response Status
880 * @op_freq: Operational frequency for the group
882 * This callback is used to indicate sending of an Invitation Response
883 * for a received Invitation Request. If status == 0 (success), the
884 * upper layer code is responsible for starting the group. status == 1
885 * indicates need to get user authorization for the group. Other status
886 * values indicate that the invitation request was rejected.
888 void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid,
889 const u8 *ssid, size_t ssid_len,
890 const u8 *go_dev_addr, u8 status,
894 * invitation_result - Callback on Invitation result
895 * @ctx: Callback context from cb_ctx
896 * @status: Negotiation result (Status Code)
897 * @bssid: P2P Group BSSID or %NULL if not received
898 * @channels: Available operating channels for the group
899 * @addr: Peer address
900 * @freq: Frequency (in MHz) indicated during invitation or 0
901 * @peer_oper_freq: Operating frequency (in MHz) advertized by the peer
902 * during invitation or 0
904 * This callback is used to indicate result of an Invitation procedure
905 * started with a call to p2p_invite(). The indicated status code is
906 * the value received from the peer in Invitation Response with 0
907 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a
908 * local failure in transmitting the Invitation Request.
910 void (*invitation_result)(void *ctx, int status, const u8 *bssid,
911 const struct p2p_channels *channels,
912 const u8 *addr, int freq, int peer_oper_freq);
915 * go_connected - Check whether we are connected to a GO
916 * @ctx: Callback context from cb_ctx
917 * @dev_addr: P2P Device Address of a GO
918 * Returns: 1 if we are connected as a P2P client to the specified GO
921 int (*go_connected)(void *ctx, const u8 *dev_addr);
924 * presence_resp - Callback on Presence Response
925 * @ctx: Callback context from cb_ctx
926 * @src: Source address (GO's P2P Interface Address)
927 * @status: Result of the request (P2P_SC_*)
928 * @noa: Returned NoA value
929 * @noa_len: Length of the NoA buffer in octets
931 void (*presence_resp)(void *ctx, const u8 *src, u8 status,
932 const u8 *noa, size_t noa_len);
935 * is_concurrent_session_active - Check whether concurrent session is
936 * active on other virtual interfaces
937 * @ctx: Callback context from cb_ctx
938 * Returns: 1 if concurrent session is active on other virtual interface
941 int (*is_concurrent_session_active)(void *ctx);
944 * is_p2p_in_progress - Check whether P2P operation is in progress
945 * @ctx: Callback context from cb_ctx
946 * Returns: 1 if P2P operation (e.g., group formation) is in progress
949 int (*is_p2p_in_progress)(void *ctx);
952 * Determine if we have a persistent group we share with remote peer
953 * @ctx: Callback context from cb_ctx
954 * @addr: Peer device address to search for
955 * @ssid: Persistent group SSID or %NULL if any
956 * @ssid_len: Length of @ssid
957 * @go_dev_addr: Buffer for returning intended GO P2P Device Address
958 * @ret_ssid: Buffer for returning group SSID
959 * @ret_ssid_len: Buffer for returning length of @ssid
960 * Returns: 1 if a matching persistent group was found, 0 otherwise
962 int (*get_persistent_group)(void *ctx, const u8 *addr, const u8 *ssid,
963 size_t ssid_len, u8 *go_dev_addr,
964 u8 *ret_ssid, size_t *ret_ssid_len);
967 * Get information about a possible local GO role
968 * @ctx: Callback context from cb_ctx
969 * @intended_addr: Buffer for returning intended GO interface address
970 * @ssid: Buffer for returning group SSID
971 * @ssid_len: Buffer for returning length of @ssid
972 * @group_iface: Buffer for returning whether a separate group interface
974 * Returns: 1 if GO info found, 0 otherwise
976 * This is used to compose New Group settings (SSID, and intended
977 * address) during P2PS provisioning if results of provisioning *might*
978 * result in our being an autonomous GO.
980 int (*get_go_info)(void *ctx, u8 *intended_addr,
981 u8 *ssid, size_t *ssid_len, int *group_iface);
984 * remove_stale_groups - Remove stale P2PS groups
986 * Because P2PS stages *potential* GOs, and remote devices can remove
987 * credentials unilaterally, we need to make sure we don't let stale
988 * unusable groups build up.
990 int (*remove_stale_groups)(void *ctx, const u8 *peer, const u8 *go,
991 const u8 *ssid, size_t ssid_len);
994 * p2ps_prov_complete - P2PS provisioning complete
996 * When P2PS provisioning completes (successfully or not) we must
997 * transmit all of the results to the upper layers.
999 void (*p2ps_prov_complete)(void *ctx, u8 status, const u8 *dev,
1000 const u8 *adv_mac, const u8 *ses_mac,
1001 const u8 *grp_mac, u32 adv_id, u32 ses_id,
1002 u8 conncap, int passwd_id,
1003 const u8 *persist_ssid,
1004 size_t persist_ssid_size, int response_done,
1005 int prov_start, const char *session_info);
1008 * prov_disc_resp_cb - Callback for indicating completion of PD Response
1009 * @ctx: Callback context from cb_ctx
1010 * Returns: 1 if operation was started, 0 otherwise
1012 * This callback can be used to perform any pending actions after
1013 * provisioning. It is mainly used for P2PS pending group creation.
1015 int (*prov_disc_resp_cb)(void *ctx);
1018 * p2ps_group_capability - Determine group capability
1020 * This function can be used to determine group capability based on
1021 * information from P2PS PD exchange and the current state of ongoing
1022 * groups and driver capabilities.
1024 * P2PS_SETUP_* bitmap is used as the parameters and return value.
1026 u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role);
1030 /* P2P module initialization/deinitialization */
1033 * p2p_init - Initialize P2P module
1034 * @cfg: P2P module configuration
1035 * Returns: Pointer to private data or %NULL on failure
1037 * This function is used to initialize global P2P module context (one per
1038 * device). The P2P module will keep a copy of the configuration data, so the
1039 * caller does not need to maintain this structure. However, the callback
1040 * functions and the context parameters to them must be kept available until
1041 * the P2P module is deinitialized with p2p_deinit().
1043 struct p2p_data * p2p_init(const struct p2p_config *cfg);
1046 * p2p_deinit - Deinitialize P2P module
1047 * @p2p: P2P module context from p2p_init()
1049 void p2p_deinit(struct p2p_data *p2p);
1052 * p2p_flush - Flush P2P module state
1053 * @p2p: P2P module context from p2p_init()
1055 * This command removes the P2P module state like peer device entries.
1057 void p2p_flush(struct p2p_data *p2p);
1060 * p2p_unauthorize - Unauthorize the specified peer device
1061 * @p2p: P2P module context from p2p_init()
1062 * @addr: P2P peer entry to be unauthorized
1063 * Returns: 0 on success, -1 on failure
1065 * This command removes any connection authorization from the specified P2P
1066 * peer device address. This can be used, e.g., to cancel effect of a previous
1067 * p2p_authorize() or p2p_connect() call that has not yet resulted in completed
1070 int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr);
1073 * p2p_set_dev_name - Set device name
1074 * @p2p: P2P module context from p2p_init()
1075 * Returns: 0 on success, -1 on failure
1077 * This function can be used to update the P2P module configuration with
1078 * information that was not available at the time of the p2p_init() call.
1080 int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name);
1082 int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer);
1083 int p2p_set_model_name(struct p2p_data *p2p, const char *model_name);
1084 int p2p_set_model_number(struct p2p_data *p2p, const char *model_number);
1085 int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number);
1087 void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods);
1088 void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid);
1091 * p2p_set_pri_dev_type - Set primary device type
1092 * @p2p: P2P module context from p2p_init()
1093 * Returns: 0 on success, -1 on failure
1095 * This function can be used to update the P2P module configuration with
1096 * information that was not available at the time of the p2p_init() call.
1098 int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type);
1101 * p2p_set_sec_dev_types - Set secondary device types
1102 * @p2p: P2P module context from p2p_init()
1103 * Returns: 0 on success, -1 on failure
1105 * This function can be used to update the P2P module configuration with
1106 * information that was not available at the time of the p2p_init() call.
1108 int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
1109 size_t num_dev_types);
1111 int p2p_set_country(struct p2p_data *p2p, const char *country);
1114 /* Commands from upper layer management entity */
1116 enum p2p_discovery_type {
1117 P2P_FIND_START_WITH_FULL,
1118 P2P_FIND_ONLY_SOCIAL,
1119 P2P_FIND_PROGRESSIVE
1123 * p2p_find - Start P2P Find (Device Discovery)
1124 * @p2p: P2P module context from p2p_init()
1125 * @timeout: Timeout for find operation in seconds or 0 for no timeout
1126 * @type: Device Discovery type
1127 * @num_req_dev_types: Number of requested device types
1128 * @req_dev_types: Requested device types array, must be an array
1129 * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no
1130 * requested device types.
1131 * @dev_id: Device ID to search for or %NULL to find all devices
1132 * @search_delay: Extra delay in milliseconds between search iterations
1133 * @seek_count: Number of ASP Service Strings in the seek_string array
1134 * @seek_string: ASP Service Strings to query for in Probe Requests
1135 * @freq: Requested first scan frequency (in MHz) to modify type ==
1136 * P2P_FIND_START_WITH_FULL behavior. 0 = Use normal full scan.
1137 * If p2p_find is already in progress, this parameter is ignored and full
1138 * scan will be executed.
1139 * Returns: 0 on success, -1 on failure
1141 int p2p_find(struct p2p_data *p2p, unsigned int timeout,
1142 enum p2p_discovery_type type,
1143 unsigned int num_req_dev_types, const u8 *req_dev_types,
1144 const u8 *dev_id, unsigned int search_delay,
1145 u8 seek_count, const char **seek_string, int freq);
1148 * p2p_notify_scan_trigger_status - Indicate scan trigger status
1149 * @p2p: P2P module context from p2p_init()
1150 * @status: 0 on success, -1 on failure
1152 void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status);
1155 * p2p_stop_find - Stop P2P Find (Device Discovery)
1156 * @p2p: P2P module context from p2p_init()
1158 void p2p_stop_find(struct p2p_data *p2p);
1161 * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq
1162 * @p2p: P2P module context from p2p_init()
1163 * @freq: Frequency in MHz for next operation
1165 * This is like p2p_stop_find(), but Listen state is not stopped if we are
1166 * already on the same frequency.
1168 void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq);
1171 * p2p_listen - Start P2P Listen state for specified duration
1172 * @p2p: P2P module context from p2p_init()
1173 * @timeout: Listen state duration in milliseconds
1174 * Returns: 0 on success, -1 on failure
1176 * This function can be used to request the P2P module to keep the device
1177 * discoverable on the listen channel for an extended set of time. At least in
1178 * its current form, this is mainly used for testing purposes and may not be of
1179 * much use for normal P2P operations.
1181 int p2p_listen(struct p2p_data *p2p, unsigned int timeout);
1184 * p2p_stop_listen - Stop P2P Listen
1185 * @p2p: P2P module context from p2p_init()
1187 void p2p_stop_listen(struct p2p_data *p2p);
1190 * p2p_connect - Start P2P group formation (GO negotiation)
1191 * @p2p: P2P module context from p2p_init()
1192 * @peer_addr: MAC address of the peer P2P client
1193 * @wps_method: WPS method to be used in provisioning
1194 * @go_intent: Local GO intent value (1..15)
1195 * @own_interface_addr: Intended interface address to use with the group
1196 * @force_freq: The only allowed channel frequency in MHz or 0
1197 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1198 * persistent group without persistent reconnect, 2 = persistent group with
1199 * persistent reconnect)
1200 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1202 * @force_ssid_len: Length of $force_ssid buffer
1203 * @pd_before_go_neg: Whether to send Provision Discovery prior to GO
1204 * Negotiation as an interoperability workaround when initiating group
1206 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1208 * Returns: 0 on success, -1 on failure
1210 int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
1211 enum p2p_wps_method wps_method,
1212 int go_intent, const u8 *own_interface_addr,
1213 unsigned int force_freq, int persistent_group,
1214 const u8 *force_ssid, size_t force_ssid_len,
1215 int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id);
1218 * p2p_authorize - Authorize P2P group formation (GO negotiation)
1219 * @p2p: P2P module context from p2p_init()
1220 * @peer_addr: MAC address of the peer P2P client
1221 * @wps_method: WPS method to be used in provisioning
1222 * @go_intent: Local GO intent value (1..15)
1223 * @own_interface_addr: Intended interface address to use with the group
1224 * @force_freq: The only allowed channel frequency in MHz or 0
1225 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1226 * persistent group without persistent reconnect, 2 = persistent group with
1227 * persistent reconnect)
1228 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1230 * @force_ssid_len: Length of $force_ssid buffer
1231 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1233 * Returns: 0 on success, -1 on failure
1235 * This is like p2p_connect(), but the actual group negotiation is not
1236 * initiated automatically, i.e., the other end is expected to do that.
1238 int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
1239 enum p2p_wps_method wps_method,
1240 int go_intent, const u8 *own_interface_addr,
1241 unsigned int force_freq, int persistent_group,
1242 const u8 *force_ssid, size_t force_ssid_len,
1243 unsigned int pref_freq, u16 oob_pw_id);
1246 * p2p_reject - Reject peer device (explicitly block connection attempts)
1247 * @p2p: P2P module context from p2p_init()
1248 * @peer_addr: MAC address of the peer P2P client
1249 * Returns: 0 on success, -1 on failure
1251 int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr);
1254 * p2p_prov_disc_req - Send Provision Discovery Request
1255 * @p2p: P2P module context from p2p_init()
1256 * @peer_addr: MAC address of the peer P2P client
1257 * @p2ps_prov: Provisioning info for P2PS
1258 * @config_methods: WPS Config Methods value (only one bit set)
1259 * @join: Whether this is used by a client joining an active group
1260 * @force_freq: Forced TX frequency for the frame (mainly for the join case)
1261 * @user_initiated_pd: Flag to indicate if initiated by user or not
1262 * Returns: 0 on success, -1 on failure
1264 * This function can be used to request a discovered P2P peer to display a PIN
1265 * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us
1266 * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame
1267 * is transmitted once immediately and if no response is received, the frame
1268 * will be sent again whenever the target device is discovered during device
1269 * dsicovery (start with a p2p_find() call). Response from the peer is
1270 * indicated with the p2p_config::prov_disc_resp() callback.
1272 int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
1273 struct p2ps_provision *p2ps_prov, u16 config_methods,
1274 int join, int force_freq,
1275 int user_initiated_pd);
1278 * p2p_sd_request - Schedule a service discovery query
1279 * @p2p: P2P module context from p2p_init()
1280 * @dst: Destination peer or %NULL to apply for all peers
1281 * @tlvs: P2P Service Query TLV(s)
1282 * Returns: Reference to the query or %NULL on failure
1284 * Response to the query is indicated with the p2p_config::sd_response()
1287 void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
1288 const struct wpabuf *tlvs);
1290 #ifdef CONFIG_WIFI_DISPLAY
1291 void * p2p_sd_request_wfd(struct p2p_data *p2p, const u8 *dst,
1292 const struct wpabuf *tlvs);
1293 #endif /* CONFIG_WIFI_DISPLAY */
1296 * p2p_sd_cancel_request - Cancel a pending service discovery query
1297 * @p2p: P2P module context from p2p_init()
1298 * @req: Query reference from p2p_sd_request()
1299 * Returns: 0 if request for cancelled; -1 if not found
1301 int p2p_sd_cancel_request(struct p2p_data *p2p, void *req);
1304 * p2p_sd_response - Send response to a service discovery query
1305 * @p2p: P2P module context from p2p_init()
1306 * @freq: Frequency from p2p_config::sd_request() callback
1307 * @dst: Destination address from p2p_config::sd_request() callback
1308 * @dialog_token: Dialog token from p2p_config::sd_request() callback
1309 * @resp_tlvs: P2P Service Response TLV(s)
1311 * This function is called as a response to the request indicated with
1312 * p2p_config::sd_request() callback.
1314 void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst,
1315 u8 dialog_token, const struct wpabuf *resp_tlvs);
1318 * p2p_sd_service_update - Indicate a change in local services
1319 * @p2p: P2P module context from p2p_init()
1321 * This function needs to be called whenever there is a change in availability
1322 * of the local services. This will increment the Service Update Indicator
1323 * value which will be used in SD Request and Response frames.
1325 void p2p_sd_service_update(struct p2p_data *p2p);
1328 enum p2p_invite_role {
1330 P2P_INVITE_ROLE_ACTIVE_GO,
1331 P2P_INVITE_ROLE_CLIENT
1335 * p2p_invite - Invite a P2P Device into a group
1336 * @p2p: P2P module context from p2p_init()
1337 * @peer: Device Address of the peer P2P Device
1338 * @role: Local role in the group
1339 * @bssid: Group BSSID or %NULL if not known
1341 * @ssid_len: Length of ssid in octets
1342 * @force_freq: The only allowed channel frequency in MHz or 0
1343 * @go_dev_addr: Forced GO Device Address or %NULL if none
1344 * @persistent_group: Whether this is to reinvoke a persistent group
1345 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1347 * @dev_pw_id: Device Password ID from OOB Device Password (NFC) static handover
1348 * case or -1 if not used
1349 * Returns: 0 on success, -1 on failure
1351 int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
1352 const u8 *bssid, const u8 *ssid, size_t ssid_len,
1353 unsigned int force_freq, const u8 *go_dev_addr,
1354 int persistent_group, unsigned int pref_freq, int dev_pw_id);
1357 * p2p_presence_req - Request GO presence
1358 * @p2p: P2P module context from p2p_init()
1359 * @go_interface_addr: GO P2P Interface Address
1360 * @own_interface_addr: Own P2P Interface Address for this group
1361 * @freq: Group operating frequence (in MHz)
1362 * @duration1: Preferred presence duration in microseconds
1363 * @interval1: Preferred presence interval in microseconds
1364 * @duration2: Acceptable presence duration in microseconds
1365 * @interval2: Acceptable presence interval in microseconds
1366 * Returns: 0 on success, -1 on failure
1368 * If both duration and interval values are zero, the parameter pair is not
1369 * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0).
1371 int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
1372 const u8 *own_interface_addr, unsigned int freq,
1373 u32 duration1, u32 interval1, u32 duration2,
1377 * p2p_ext_listen - Set Extended Listen Timing
1378 * @p2p: P2P module context from p2p_init()
1379 * @freq: Group operating frequence (in MHz)
1380 * @period: Availability period in milliseconds (1-65535; 0 to disable)
1381 * @interval: Availability interval in milliseconds (1-65535; 0 to disable)
1382 * Returns: 0 on success, -1 on failure
1384 * This function can be used to enable or disable (period = interval = 0)
1385 * Extended Listen Timing. When enabled, the P2P Device will become
1386 * discoverable (go into Listen State) every @interval milliseconds for at
1387 * least @period milliseconds.
1389 int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
1390 unsigned int interval);
1392 /* Event notifications from upper layer management operations */
1395 * p2p_wps_success_cb - Report successfully completed WPS provisioning
1396 * @p2p: P2P module context from p2p_init()
1397 * @mac_addr: Peer address
1399 * This function is used to report successfully completed WPS provisioning
1400 * during group formation in both GO/Registrar and client/Enrollee roles.
1402 void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr);
1405 * p2p_group_formation_failed - Report failed WPS provisioning
1406 * @p2p: P2P module context from p2p_init()
1408 * This function is used to report failed group formation. This can happen
1409 * either due to failed WPS provisioning or due to 15 second timeout during
1410 * the provisioning phase.
1412 void p2p_group_formation_failed(struct p2p_data *p2p);
1415 * p2p_get_provisioning_info - Get any stored provisioning info
1416 * @p2p: P2P module context from p2p_init()
1417 * @addr: Peer P2P Device Address
1418 * Returns: WPS provisioning information (WPS config method) or 0 if no
1419 * information is available
1421 * This function is used to retrieve stored WPS provisioning info for the given
1424 u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1427 * p2p_clear_provisioning_info - Clear any stored provisioning info
1428 * @p2p: P2P module context from p2p_init()
1429 * @iface_addr: Peer P2P Device Address
1431 * This function is used to clear stored WPS provisioning info for the given
1434 void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1437 /* Event notifications from lower layer driver operations */
1440 * enum p2p_probe_req_status
1442 * @P2P_PREQ_MALFORMED: frame was not well-formed
1443 * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored
1444 * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request
1445 * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed
1446 * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P
1448 enum p2p_probe_req_status {
1450 P2P_PREQ_NOT_LISTEN,
1452 P2P_PREQ_NOT_PROCESSED,
1457 * p2p_probe_req_rx - Report reception of a Probe Request frame
1458 * @p2p: P2P module context from p2p_init()
1459 * @addr: Source MAC address
1460 * @dst: Destination MAC address if available or %NULL
1461 * @bssid: BSSID if available or %NULL
1462 * @ie: Information elements from the Probe Request frame body
1463 * @ie_len: Length of ie buffer in octets
1464 * Returns: value indicating the type and status of the probe request
1466 enum p2p_probe_req_status
1467 p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
1468 const u8 *bssid, const u8 *ie, size_t ie_len);
1471 * p2p_rx_action - Report received Action frame
1472 * @p2p: P2P module context from p2p_init()
1473 * @da: Destination address of the received Action frame
1474 * @sa: Source address of the received Action frame
1475 * @bssid: Address 3 of the received Action frame
1476 * @category: Category of the received Action frame
1477 * @data: Action frame body after the Category field
1478 * @len: Length of the data buffer in octets
1479 * @freq: Frequency (in MHz) on which the frame was received
1481 void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
1482 const u8 *bssid, u8 category,
1483 const u8 *data, size_t len, int freq);
1486 * p2p_scan_res_handler - Indicate a P2P scan results
1487 * @p2p: P2P module context from p2p_init()
1488 * @bssid: BSSID of the scan result
1489 * @freq: Frequency of the channel on which the device was found in MHz
1490 * @rx_time: Time when the result was received
1491 * @level: Signal level (signal strength of the received Beacon/Probe Response
1493 * @ies: Pointer to IEs from the scan result
1494 * @ies_len: Length of the ies buffer
1495 * Returns: 0 to continue or 1 to stop scan result indication
1497 * This function is called to indicate a scan result entry with P2P IE from a
1498 * scan requested with struct p2p_config::p2p_scan(). This can be called during
1499 * the actual scan process (i.e., whenever a new device is found) or as a
1500 * sequence of calls after the full scan has been completed. The former option
1501 * can result in optimized operations, but may not be supported by all
1502 * driver/firmware designs. The ies buffer need to include at least the P2P IE,
1503 * but it is recommended to include all IEs received from the device. The
1504 * caller does not need to check that the IEs contain a P2P IE before calling
1505 * this function since frames will be filtered internally if needed.
1507 * This function will return 1 if it wants to stop scan result iteration (and
1508 * scan in general if it is still in progress). This is used to allow faster
1509 * start of a pending operation, e.g., to start a pending GO negotiation.
1511 int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
1512 struct os_reltime *rx_time, int level, const u8 *ies,
1516 * p2p_scan_res_handled - Indicate end of scan results
1517 * @p2p: P2P module context from p2p_init()
1519 * This function is called to indicate that all P2P scan results from a scan
1520 * have been reported with zero or more calls to p2p_scan_res_handler(). This
1521 * function must be called as a response to successful
1522 * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler()
1523 * calls stopped iteration.
1525 void p2p_scan_res_handled(struct p2p_data *p2p);
1527 enum p2p_send_action_result {
1528 P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
1529 P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */,
1530 P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
1534 * p2p_send_action_cb - Notify TX status of an Action frame
1535 * @p2p: P2P module context from p2p_init()
1536 * @freq: Channel frequency in MHz
1537 * @dst: Destination MAC address (Address 1)
1538 * @src: Source MAC address (Address 2)
1539 * @bssid: BSSID (Address 3)
1540 * @result: Result of the transmission attempt
1542 * This function is used to indicate the result of an Action frame transmission
1543 * that was requested with struct p2p_config::send_action() callback.
1545 void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
1546 const u8 *src, const u8 *bssid,
1547 enum p2p_send_action_result result);
1550 * p2p_listen_cb - Indicate the start of a requested Listen state
1551 * @p2p: P2P module context from p2p_init()
1552 * @freq: Listen channel frequency in MHz
1553 * @duration: Duration for the Listen state in milliseconds
1555 * This function is used to indicate that a Listen state requested with
1556 * struct p2p_config::start_listen() callback has started.
1558 void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
1559 unsigned int duration);
1562 * p2p_listen_end - Indicate the end of a requested Listen state
1563 * @p2p: P2P module context from p2p_init()
1564 * @freq: Listen channel frequency in MHz
1565 * Returns: 0 if no operations were started, 1 if an operation was started
1567 * This function is used to indicate that a Listen state requested with
1568 * struct p2p_config::start_listen() callback has ended.
1570 int p2p_listen_end(struct p2p_data *p2p, unsigned int freq);
1572 void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1573 const u8 *ie, size_t ie_len);
1575 void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1576 const u8 *ie, size_t ie_len);
1579 /* Per-group P2P state for GO */
1584 * struct p2p_group_config - P2P group configuration
1586 * This configuration is provided to the P2P module during initialization of
1587 * the per-group information with p2p_group_init().
1589 struct p2p_group_config {
1591 * persistent_group - Whether the group is persistent
1592 * 0 = not a persistent group
1593 * 1 = persistent group without persistent reconnect
1594 * 2 = persistent group with persistent reconnect
1596 int persistent_group;
1599 * interface_addr - P2P Interface Address of the group
1601 u8 interface_addr[ETH_ALEN];
1604 * max_clients - Maximum number of clients in the group
1606 unsigned int max_clients;
1611 u8 ssid[SSID_MAX_LEN];
1614 * ssid_len - Length of SSID
1619 * freq - Operating channel of the group
1624 * cb_ctx - Context to use with callback functions
1629 * ie_update - Notification of IE update
1630 * @ctx: Callback context from cb_ctx
1631 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change
1632 * @proberesp_ies: P2P Ie for Probe Response frames
1634 * P2P module uses this callback function to notify whenever the P2P IE
1635 * in Beacon or Probe Response frames should be updated based on group
1638 * The callee is responsible for freeing the returned buffer(s) with
1641 void (*ie_update)(void *ctx, struct wpabuf *beacon_ies,
1642 struct wpabuf *proberesp_ies);
1645 * idle_update - Notification of changes in group idle state
1646 * @ctx: Callback context from cb_ctx
1647 * @idle: Whether the group is idle (no associated stations)
1649 void (*idle_update)(void *ctx, int idle);
1653 * p2p_group_init - Initialize P2P group
1654 * @p2p: P2P module context from p2p_init()
1655 * @config: P2P group configuration (will be freed by p2p_group_deinit())
1656 * Returns: Pointer to private data or %NULL on failure
1658 * This function is used to initialize per-group P2P module context. Currently,
1659 * this is only used to manage GO functionality and P2P clients do not need to
1660 * create an instance of this per-group information.
1662 struct p2p_group * p2p_group_init(struct p2p_data *p2p,
1663 struct p2p_group_config *config);
1666 * p2p_group_deinit - Deinitialize P2P group
1667 * @group: P2P group context from p2p_group_init()
1669 void p2p_group_deinit(struct p2p_group *group);
1672 * p2p_group_notif_assoc - Notification of P2P client association with GO
1673 * @group: P2P group context from p2p_group_init()
1674 * @addr: Interface address of the P2P client
1675 * @ie: IEs from the (Re)association Request frame
1676 * @len: Length of the ie buffer in octets
1677 * Returns: 0 on success, -1 on failure
1679 int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
1680 const u8 *ie, size_t len);
1683 * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response
1684 * @group: P2P group context from p2p_group_init()
1685 * @status: Status value (P2P_SC_SUCCESS if association succeeded)
1686 * Returns: P2P IE for (Re)association Response or %NULL on failure
1688 * The caller is responsible for freeing the returned buffer with
1691 struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status);
1694 * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO
1695 * @group: P2P group context from p2p_group_init()
1696 * @addr: Interface address of the P2P client
1698 void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr);
1701 * p2p_group_notif_formation_done - Notification of completed group formation
1702 * @group: P2P group context from p2p_group_init()
1704 void p2p_group_notif_formation_done(struct p2p_group *group);
1707 * p2p_group_notif_noa - Notification of NoA change
1708 * @group: P2P group context from p2p_group_init()
1709 * @noa: Notice of Absence attribute payload, %NULL if none
1710 * @noa_len: Length of noa buffer in octets
1711 * Returns: 0 on success, -1 on failure
1713 * Notify the P2P group management about a new NoA contents. This will be
1714 * inserted into the P2P IEs in Beacon and Probe Response frames with rest of
1715 * the group information.
1717 int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
1721 * p2p_group_match_dev_type - Match device types in group with requested type
1722 * @group: P2P group context from p2p_group_init()
1723 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
1724 * Returns: 1 on match, 0 on mismatch
1726 * This function can be used to match the Requested Device Type attribute in
1727 * WPS IE with the device types of a group member for deciding whether a GO
1728 * should reply to a Probe Request frame. Match will be reported if the WPS IE
1729 * is not requested any specific device type.
1731 int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps);
1734 * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id
1736 int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p);
1739 * p2p_group_go_discover - Send GO Discoverability Request to a group client
1740 * @group: P2P group context from p2p_group_init()
1741 * Returns: 0 on success (frame scheduled); -1 if client was not found
1743 int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
1744 const u8 *searching_dev, int rx_freq);
1747 /* Generic helper functions */
1750 * p2p_ie_text - Build text format description of P2P IE
1752 * @buf: Buffer for returning text
1753 * @end: Pointer to the end of the buf area
1754 * Returns: Number of octets written to the buffer or -1 on failure
1756 * This function can be used to parse P2P IE contents into text format
1757 * field=value lines.
1759 int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end);
1762 * p2p_scan_result_text - Build text format description of P2P IE
1763 * @ies: Information elements from scan results
1764 * @ies_len: ies buffer length in octets
1765 * @buf: Buffer for returning text
1766 * @end: Pointer to the end of the buf area
1767 * Returns: Number of octets written to the buffer or -1 on failure
1769 * This function can be used to parse P2P IE contents into text format
1770 * field=value lines.
1772 int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end);
1775 * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated
1778 * @dev_addr: Buffer for returning P2P Device Address
1779 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1781 int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr);
1784 * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s)
1785 * @ies: Information elements from scan results
1786 * @ies_len: ies buffer length in octets
1787 * @dev_addr: Buffer for returning P2P Device Address
1788 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1790 int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr);
1793 * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame
1794 * @p2p: P2P module context from p2p_init()
1796 * @buf: Buffer for writing the P2P IE
1797 * @len: Maximum buf length in octets
1798 * @p2p_group: Whether this is for association with a P2P GO
1799 * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none
1800 * Returns: Number of octets written into buf or -1 on failure
1802 int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
1803 size_t len, int p2p_group, struct wpabuf *p2p_ie);
1806 * p2p_scan_ie - Build P2P IE for Probe Request
1807 * @p2p: P2P module context from p2p_init()
1808 * @ies: Buffer for writing P2P IE
1809 * @dev_id: Device ID to search for or %NULL for any
1811 void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id);
1814 * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie
1815 * @p2p: P2P module context from p2p_init()
1816 * Returns: Number of octets that p2p_scan_ie() may add to the buffer
1818 size_t p2p_scan_ie_buf_len(struct p2p_data *p2p);
1821 * p2p_go_params - Generate random P2P group parameters
1822 * @p2p: P2P module context from p2p_init()
1823 * @params: Buffer for parameters
1824 * Returns: 0 on success, -1 on failure
1826 int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params);
1829 * p2p_get_group_capab - Get Group Capability from P2P IE data
1830 * @p2p_ie: P2P IE(s) contents
1831 * Returns: Group Capability
1833 u8 p2p_get_group_capab(const struct wpabuf *p2p_ie);
1836 * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection
1837 * @p2p_ie: P2P IE(s) contents
1838 * Returns: 0 if cross connection is allow, 1 if not
1840 int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie);
1843 * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data
1844 * @p2p_ie: P2P IE(s) contents
1845 * Returns: Pointer to P2P Device Address or %NULL if not included
1847 const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie);
1850 * p2p_get_peer_info - Get P2P peer information
1851 * @p2p: P2P module context from p2p_init()
1852 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
1853 * @next: Whether to select the peer entry following the one indicated by addr
1854 * Returns: Pointer to peer info or %NULL if not found
1856 const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p,
1857 const u8 *addr, int next);
1860 * p2p_get_peer_info_txt - Get internal P2P peer information in text format
1861 * @info: Pointer to P2P peer info from p2p_get_peer_info()
1862 * @buf: Buffer for returning text
1863 * @buflen: Maximum buffer length
1864 * Returns: Number of octets written to the buffer or -1 on failure
1866 * Note: This information is internal to the P2P module and subject to change.
1867 * As such, this should not really be used by external programs for purposes
1868 * other than debugging.
1870 int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
1871 char *buf, size_t buflen);
1874 * p2p_peer_known - Check whether P2P peer is known
1875 * @p2p: P2P module context from p2p_init()
1876 * @addr: P2P Device Address of the peer
1877 * Returns: 1 if the specified device is in the P2P peer table or 0 if not
1879 int p2p_peer_known(struct p2p_data *p2p, const u8 *addr);
1882 * p2p_set_client_discoverability - Set client discoverability capability
1883 * @p2p: P2P module context from p2p_init()
1884 * @enabled: Whether client discoverability will be enabled
1886 * This function can be used to disable (and re-enable) client discoverability.
1887 * This capability is enabled by default and should not be disabled in normal
1888 * use cases, i.e., this is mainly for testing purposes.
1890 void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled);
1893 * p2p_set_managed_oper - Set managed P2P Device operations capability
1894 * @p2p: P2P module context from p2p_init()
1895 * @enabled: Whether managed P2P Device operations will be enabled
1897 void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
1900 * p2p_config_get_random_social - Return a random social channel
1902 * @op_class: Selected operating class
1903 * @op_channel: Selected social channel
1904 * Returns: 0 on success, -1 on failure
1906 * This function is used before p2p_init is called. A random social channel
1907 * from supports bands 2.4 GHz (channels 1,6,11) and 60 GHz (channel 2) is
1908 * returned on success.
1910 int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class,
1913 int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel,
1916 u8 p2p_get_listen_channel(struct p2p_data *p2p);
1918 int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
1920 int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
1922 int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
1925 void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr);
1928 * p2p_set_cross_connect - Set cross connection capability
1929 * @p2p: P2P module context from p2p_init()
1930 * @enabled: Whether cross connection will be enabled
1932 void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
1934 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
1937 * p2p_set_intra_bss_dist - Set intra BSS distribution
1938 * @p2p: P2P module context from p2p_init()
1939 * @enabled: Whether intra BSS distribution will be enabled
1941 void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
1943 int p2p_channels_includes_freq(const struct p2p_channels *channels,
1946 int p2p_channels_to_freqs(const struct p2p_channels *channels,
1947 int *freq_list, unsigned int max_len);
1950 * p2p_supported_freq - Check whether channel is supported for P2P
1951 * @p2p: P2P module context from p2p_init()
1952 * @freq: Channel frequency in MHz
1953 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
1955 int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
1958 * p2p_supported_freq_go - Check whether channel is supported for P2P GO operation
1959 * @p2p: P2P module context from p2p_init()
1960 * @freq: Channel frequency in MHz
1961 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
1963 int p2p_supported_freq_go(struct p2p_data *p2p, unsigned int freq);
1966 * p2p_supported_freq_cli - Check whether channel is supported for P2P client operation
1967 * @p2p: P2P module context from p2p_init()
1968 * @freq: Channel frequency in MHz
1969 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
1971 int p2p_supported_freq_cli(struct p2p_data *p2p, unsigned int freq);
1974 * p2p_get_pref_freq - Get channel from preferred channel list
1975 * @p2p: P2P module context from p2p_init()
1976 * @channels: List of channels
1977 * Returns: Preferred channel
1979 unsigned int p2p_get_pref_freq(struct p2p_data *p2p,
1980 const struct p2p_channels *channels);
1982 void p2p_update_channel_list(struct p2p_data *p2p,
1983 const struct p2p_channels *chan,
1984 const struct p2p_channels *cli_chan);
1987 * p2p_set_best_channels - Update best channel information
1988 * @p2p: P2P module context from p2p_init()
1989 * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band
1990 * @freq_5: Frequency (MHz) of best channel in 5 GHz band
1991 * @freq_overall: Frequency (MHz) of best channel overall
1993 void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
1997 * p2p_set_own_freq_preference - Set own preference for channel
1998 * @p2p: P2P module context from p2p_init()
1999 * @freq: Frequency (MHz) of the preferred channel or 0 if no preference
2001 * This function can be used to set a preference on the operating channel based
2002 * on frequencies used on the other virtual interfaces that share the same
2003 * radio. If non-zero, this is used to try to avoid multi-channel concurrency.
2005 void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq);
2007 const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p);
2010 * p2p_get_group_num_members - Get number of members in group
2011 * @group: P2P group context from p2p_group_init()
2012 * Returns: Number of members in the group
2014 unsigned int p2p_get_group_num_members(struct p2p_group *group);
2017 * p2p_client_limit_reached - Check if client limit is reached
2018 * @group: P2P group context from p2p_group_init()
2019 * Returns: 1 if no of clients limit reached
2021 int p2p_client_limit_reached(struct p2p_group *group);
2024 * p2p_iterate_group_members - Iterate group members
2025 * @group: P2P group context from p2p_group_init()
2026 * @next: iteration pointer, must be a pointer to a void * that is set to %NULL
2027 * on the first call and not modified later
2028 * Returns: A P2P Device Address for each call and %NULL for no more members
2030 const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
2033 * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group
2034 * @group: P2P group context from p2p_group_init()
2035 * @addr: P2P Interface Address of the client
2036 * Returns: P2P Device Address of the client if found or %NULL if no match
2039 const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr);
2042 * p2p_group_is_client_connected - Check whether a specific client is connected
2043 * @group: P2P group context from p2p_group_init()
2044 * @addr: P2P Device Address of the client
2045 * Returns: 1 if client is connected or 0 if not
2047 int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr);
2050 * p2p_group_get_config - Get the group configuration
2051 * @group: P2P group context from p2p_group_init()
2052 * Returns: The group configuration pointer
2054 const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group);
2057 * p2p_loop_on_all_groups - Run the given callback on all groups
2058 * @p2p: P2P module context from p2p_init()
2059 * @group_callback: The callback function pointer
2060 * @user_data: Some user data pointer which can be %NULL
2062 * The group_callback function can stop the iteration by returning 0.
2064 void p2p_loop_on_all_groups(struct p2p_data *p2p,
2065 int (*group_callback)(struct p2p_group *group,
2070 * p2p_get_peer_found - Get P2P peer info structure of a found peer
2071 * @p2p: P2P module context from p2p_init()
2072 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
2073 * @next: Whether to select the peer entry following the one indicated by addr
2074 * Returns: The first P2P peer info available or %NULL if no such peer exists
2076 const struct p2p_peer_info *
2077 p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next);
2080 * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions
2081 * @p2p: P2P module context from p2p_init()
2083 void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p);
2086 * p2p_add_wps_vendor_extension - Add a WPS vendor extension
2087 * @p2p: P2P module context from p2p_init()
2088 * @vendor_ext: The vendor extensions to add
2089 * Returns: 0 on success, -1 on failure
2091 * The wpabuf structures in the array are owned by the P2P
2092 * module after this call.
2094 int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
2095 const struct wpabuf *vendor_ext);
2098 * p2p_set_oper_channel - Set the P2P operating channel
2099 * @p2p: P2P module context from p2p_init()
2100 * @op_reg_class: Operating regulatory class to set
2101 * @op_channel: operating channel to set
2102 * @cfg_op_channel : Whether op_channel is hardcoded in configuration
2103 * Returns: 0 on success, -1 on failure
2105 int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel,
2106 int cfg_op_channel);
2109 * p2p_set_pref_chan - Set P2P preferred channel list
2110 * @p2p: P2P module context from p2p_init()
2111 * @num_pref_chan: Number of entries in pref_chan list
2112 * @pref_chan: Preferred channels or %NULL to remove preferences
2113 * Returns: 0 on success, -1 on failure
2115 int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan,
2116 const struct p2p_channel *pref_chan);
2119 * p2p_set_no_go_freq - Set no GO channel ranges
2120 * @p2p: P2P module context from p2p_init()
2121 * @list: Channel ranges or %NULL to remove restriction
2122 * Returns: 0 on success, -1 on failure
2124 int p2p_set_no_go_freq(struct p2p_data *p2p,
2125 const struct wpa_freq_range_list *list);
2128 * p2p_in_progress - Check whether a P2P operation is progress
2129 * @p2p: P2P module context from p2p_init()
2130 * Returns: 0 if P2P module is idle, 1 if an operation is in progress but not
2131 * in search state, or 2 if search state operation is in progress
2133 int p2p_in_progress(struct p2p_data *p2p);
2135 const char * p2p_wps_method_text(enum p2p_wps_method method);
2138 * p2p_set_config_timeout - Set local config timeouts
2139 * @p2p: P2P module context from p2p_init()
2140 * @go_timeout: Time in 10 ms units it takes to start the GO mode
2141 * @client_timeout: Time in 10 ms units it takes to start the client mode
2143 void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout,
2146 int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie);
2147 int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie);
2148 int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie);
2149 int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie);
2150 int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie);
2151 int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie);
2152 int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie);
2153 int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie);
2154 int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem);
2155 int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem);
2156 int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p,
2157 const struct wpabuf *elem);
2158 struct wpabuf * wifi_display_encaps(struct wpabuf *subelems);
2161 * p2p_set_disc_int - Set min/max discoverable interval for p2p_find
2162 * @p2p: P2P module context from p2p_init()
2163 * @min_disc_int: minDiscoverableInterval (in units of 100 TU); default 1
2164 * @max_disc_int: maxDiscoverableInterval (in units of 100 TU); default 3
2165 * @max_disc_tu: Maximum number of TUs (1.024 ms) for discoverable interval; or
2167 * Returns: 0 on success, or -1 on failure
2169 * This function can be used to configure minDiscoverableInterval and
2170 * maxDiscoverableInterval parameters for the Listen state during device
2171 * discovery (p2p_find). A random number of 100 TU units is picked for each
2172 * Listen state iteration from [min_disc_int,max_disc_int] range.
2174 * max_disc_tu can be used to futher limit the discoverable duration. However,
2175 * it should be noted that use of this parameter is not recommended since it
2176 * would not be compliant with the P2P specification.
2178 int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int,
2182 * p2p_get_state_txt - Get current P2P state for debug purposes
2183 * @p2p: P2P module context from p2p_init()
2184 * Returns: Name of the current P2P module state
2186 * It should be noted that the P2P module state names are internal information
2187 * and subject to change at any point, i.e., this information should be used
2188 * mainly for debugging purposes.
2190 const char * p2p_get_state_txt(struct p2p_data *p2p);
2192 struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p,
2194 const u8 *go_dev_addr,
2195 const u8 *ssid, size_t ssid_len);
2196 struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p,
2198 const u8 *go_dev_addr,
2199 const u8 *ssid, size_t ssid_len);
2201 struct p2p_nfc_params {
2209 NO_ACTION, JOIN_GROUP, AUTH_JOIN, INIT_GO_NEG, RESP_GO_NEG,
2210 BOTH_GO, PEER_CLIENT
2212 struct p2p_peer_info *peer;
2213 u8 oob_dev_pw[WPS_OOB_PUBKEY_HASH_LEN + 2 +
2214 WPS_OOB_DEVICE_PASSWORD_LEN];
2215 size_t oob_dev_pw_len;
2217 u8 go_dev_addr[ETH_ALEN];
2218 u8 go_ssid[SSID_MAX_LEN];
2222 int p2p_process_nfc_connection_handover(struct p2p_data *p2p,
2223 struct p2p_nfc_params *params);
2225 void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id,
2227 const u8 *own_interface_addr);
2229 int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len);
2231 void p2p_loop_on_known_peers(struct p2p_data *p2p,
2232 void (*peer_callback)(struct p2p_peer_info *peer,
2236 void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem);
2238 void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr);
2240 struct p2ps_advertisement *
2241 p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id);
2242 int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
2243 const char *adv_str, u8 svc_state,
2244 u16 config_methods, const char *svc_info);
2245 int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id);
2246 void p2p_service_flush_asp(struct p2p_data *p2p);
2247 struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p);