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
24 #define P2PS_FEATURE_CAPAB_CPT_MAX 2
27 * P2P_MAX_PREF_CHANNELS - Maximum number of preferred channels
29 #define P2P_MAX_PREF_CHANNELS 100
32 * P2P_MAX_REG_CLASSES - Maximum number of regulatory classes
34 #define P2P_MAX_REG_CLASSES 10
37 * P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class
39 #define P2P_MAX_REG_CLASS_CHANNELS 20
42 * struct p2p_channels - List of supported channels
46 * struct p2p_reg_class - Supported regulatory class
48 struct p2p_reg_class {
50 * reg_class - Regulatory class (IEEE 802.11-2007, Annex J)
55 * channel - Supported channels
57 u8 channel[P2P_MAX_REG_CLASS_CHANNELS];
60 * channels - Number of channel entries in use
63 } reg_class[P2P_MAX_REG_CLASSES];
66 * reg_classes - Number of reg_class entries in use
72 WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC,
77 * struct p2p_go_neg_results - P2P Group Owner Negotiation results
79 struct p2p_go_neg_results {
81 * status - Negotiation result (Status Code)
83 * 0 (P2P_SC_SUCCESS) indicates success. Non-zero values indicate
89 * role_go - Whether local end is Group Owner
94 * freq - Frequency of the group operational channel in MHz
103 * ssid - SSID of the group
105 u8 ssid[SSID_MAX_LEN];
108 * ssid_len - Length of SSID in octets
113 * psk - WPA pre-shared key (256 bits) (GO only)
118 * psk_set - Whether PSK field is configured (GO only)
123 * passphrase - WPA2-Personal passphrase for the group (GO only)
128 * peer_device_addr - P2P Device Address of the peer
130 u8 peer_device_addr[ETH_ALEN];
133 * peer_interface_addr - P2P Interface Address of the peer
135 u8 peer_interface_addr[ETH_ALEN];
138 * wps_method - WPS method to be used during provisioning
140 enum p2p_wps_method wps_method;
142 #define P2P_MAX_CHANNELS 50
145 * freq_list - Zero-terminated list of possible operational channels
147 int freq_list[P2P_MAX_CHANNELS];
150 * persistent_group - Whether the group should be made persistent
152 * 1 = persistent group without persistent reconnect
153 * 2 = persistent group with persistent reconnect
155 int persistent_group;
158 * peer_config_timeout - Peer configuration timeout (in 10 msec units)
160 unsigned int peer_config_timeout;
163 struct p2ps_provision {
165 * pd_seeker - P2PS provision discovery seeker role
167 unsigned int pd_seeker:1;
170 * status - Remote returned provisioning status code
175 * adv_id - P2PS Advertisement ID
180 * session_id - P2PS Session ID
185 * method - WPS Method (to be) used to establish session
190 * conncap - Connection Capabilities negotiated between P2P peers
195 * role - Info about the roles to be used for this connection
200 * session_mac - MAC address of the peer that started the session
202 u8 session_mac[ETH_ALEN];
205 * adv_mac - MAC address of the peer advertised the service
207 u8 adv_mac[ETH_ALEN];
210 * cpt_mask - Supported Coordination Protocol Transport mask
212 * A bitwise mask of supported ASP Coordination Protocol Transports.
213 * This property is set together and corresponds with cpt_priority.
218 * cpt_priority - Coordination Protocol Transport priority list
220 * Priorities of supported ASP Coordination Protocol Transports.
221 * This property is set together and corresponds with cpt_mask.
222 * The CPT priority list is 0 terminated.
224 u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
227 * info - Vendor defined extra Provisioning information
232 struct p2ps_advertisement {
233 struct p2ps_advertisement *next;
236 * svc_info - Pointer to (internal) Service defined information
241 * id - P2PS Advertisement ID
246 * config_methods - WPS Methods which are allowed for this service
251 * state - Current state of the service: 0 - Out Of Service, 1-255 Vendor defined
256 * auto_accept - Automatically Accept provisioning request if possible.
261 * hash - 6 octet Service Name has to match against incoming Probe Requests
263 u8 hash[P2PS_HASH_LEN];
266 * cpt_mask - supported Coordination Protocol Transport mask
268 * A bitwise mask of supported ASP Coordination Protocol Transports.
269 * This property is set together and corresponds with cpt_priority.
274 * cpt_priority - Coordination Protocol Transport priority list
276 * Priorities of supported ASP Coordinatin Protocol Transports.
277 * This property is set together and corresponds with cpt_mask.
278 * The CPT priority list is 0 terminated.
280 u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
283 * svc_name - NULL Terminated UTF-8 Service Name, and svc_info storage
295 P2P_SCAN_SOCIAL_PLUS_ONE
298 #define P2P_MAX_WPS_VENDOR_EXT 10
301 * struct p2p_peer_info - P2P peer information
303 struct p2p_peer_info {
305 * p2p_device_addr - P2P Device Address of the peer
307 u8 p2p_device_addr[ETH_ALEN];
310 * pri_dev_type - Primary Device Type
315 * device_name - Device Name (0..32 octets encoded in UTF-8)
317 char device_name[WPS_DEV_NAME_MAX_LEN + 1];
320 * manufacturer - Manufacturer (0..64 octets encoded in UTF-8)
322 char manufacturer[WPS_MANUFACTURER_MAX_LEN + 1];
325 * model_name - Model Name (0..32 octets encoded in UTF-8)
327 char model_name[WPS_MODEL_NAME_MAX_LEN + 1];
330 * model_number - Model Number (0..32 octets encoded in UTF-8)
332 char model_number[WPS_MODEL_NUMBER_MAX_LEN + 1];
335 * serial_number - Serial Number (0..32 octets encoded in UTF-8)
337 char serial_number[WPS_SERIAL_NUMBER_MAX_LEN + 1];
340 * level - Signal level
345 * config_methods - WPS Configuration Methods
350 * dev_capab - Device Capabilities
355 * group_capab - Group Capabilities
360 * wps_sec_dev_type_list - WPS secondary device type list
362 * This list includes from 0 to 16 Secondary Device Types as indicated
363 * by wps_sec_dev_type_list_len (8 * number of types).
365 u8 wps_sec_dev_type_list[WPS_SEC_DEV_TYPE_MAX_LEN];
368 * wps_sec_dev_type_list_len - Length of secondary device type list
370 size_t wps_sec_dev_type_list_len;
372 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
375 * wfd_subelems - Wi-Fi Display subelements from WFD IE(s)
377 struct wpabuf *wfd_subelems;
380 * vendor_elems - Unrecognized vendor elements
382 * This buffer includes any other vendor element than P2P, WPS, and WFD
383 * IE(s) from the frame that was used to discover the peer.
385 struct wpabuf *vendor_elems;
388 * p2ps_instance - P2PS Application Service Info
390 struct wpabuf *p2ps_instance;
393 enum p2p_prov_disc_status {
394 P2P_PROV_DISC_SUCCESS,
395 P2P_PROV_DISC_TIMEOUT,
396 P2P_PROV_DISC_REJECTED,
397 P2P_PROV_DISC_TIMEOUT_JOIN,
398 P2P_PROV_DISC_INFO_UNAVAILABLE,
407 * struct p2p_config - P2P configuration
409 * This configuration is provided to the P2P module during initialization with
414 * country - Country code to use in P2P operations
419 * reg_class - Regulatory class for own listen channel
424 * channel - Own listen channel
429 * channel_forced - the listen channel was forced by configuration
430 * or by control interface and cannot be overridden
435 * Regulatory class for own operational channel
440 * op_channel - Own operational channel
445 * cfg_op_channel - Whether op_channel is hardcoded in configuration
450 * channels - Own supported regulatory classes and channels
452 * List of supposerted channels per regulatory class. The regulatory
453 * classes are defined in IEEE Std 802.11-2007 Annex J and the
454 * numbering of the clases depends on the configured country code.
456 struct p2p_channels channels;
459 * cli_channels - Additional client channels
461 * This list of channels (if any) will be used when advertising local
462 * channels during GO Negotiation or Invitation for the cases where the
463 * local end may become the client. This may allow the peer to become a
464 * GO on additional channels if it supports these options. The main use
465 * case for this is to include passive-scan channels on devices that may
466 * not know their current location and have configured most channels to
467 * not allow initiation of radition (i.e., another device needs to take
468 * master responsibilities).
470 struct p2p_channels cli_channels;
473 * num_pref_chan - Number of pref_chan entries
475 unsigned int num_pref_chan;
478 * pref_chan - Preferred channels for GO Negotiation
480 struct p2p_channel *pref_chan;
483 * pri_dev_type - Primary Device Type (see WPS)
488 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types
490 #define P2P_SEC_DEVICE_TYPES 5
493 * sec_dev_type - Optional secondary device types
495 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
498 * num_sec_dev_types - Number of sec_dev_type entries
500 size_t num_sec_dev_types;
503 * dev_addr - P2P Device Address
505 u8 dev_addr[ETH_ALEN];
508 * dev_name - Device Name
521 * concurrent_operations - Whether concurrent operations are supported
523 int concurrent_operations;
526 * max_peers - Maximum number of discovered peers to remember
528 * If more peers are discovered, older entries will be removed to make
529 * room for the new ones.
534 * p2p_intra_bss - Intra BSS communication is supported
539 * ssid_postfix - Postfix data to add to the SSID
541 * This data will be added to the end of the SSID after the
542 * DIRECT-<random two octets> prefix.
544 u8 ssid_postfix[SSID_MAX_LEN - 9];
547 * ssid_postfix_len - Length of the ssid_postfix data
549 size_t ssid_postfix_len;
552 * max_listen - Maximum listen duration in ms
554 unsigned int max_listen;
557 * passphrase_len - Passphrase length (8..63)
559 * This parameter controls the length of the random passphrase that is
560 * generated at the GO.
562 unsigned int passphrase_len;
565 * cb_ctx - Context to use with callback functions
570 * debug_print - Debug print
571 * @ctx: Callback context from cb_ctx
572 * @level: Debug verbosity level (MSG_*)
573 * @msg: Debug message
575 void (*debug_print)(void *ctx, int level, const char *msg);
578 /* Callbacks to request lower layer driver operations */
581 * p2p_scan - Request a P2P scan/search
582 * @ctx: Callback context from cb_ctx
584 * @freq: Specific frequency (MHz) to scan or 0 for no restriction
585 * @num_req_dev_types: Number of requested device types
586 * @req_dev_types: Array containing requested device types
587 * @dev_id: Device ID to search for or %NULL to find all devices
588 * @pw_id: Device Password ID
589 * Returns: 0 on success, -1 on failure
591 * This callback function is used to request a P2P scan or search
592 * operation to be completed. Type type argument specifies which type
593 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the
594 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL
595 * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC
596 * request a scan of a single channel specified by freq.
597 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels
598 * plus one extra channel specified by freq.
600 * The full scan is used for the initial scan to find group owners from
601 * all. The other types are used during search phase scan of the social
602 * channels (with potential variation if the Listen channel of the
603 * target peer is known or if other channels are scanned in steps).
605 * The scan results are returned after this call by calling
606 * p2p_scan_res_handler() for each scan result that has a P2P IE and
607 * then calling p2p_scan_res_handled() to indicate that all scan
608 * results have been indicated.
610 int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq,
611 unsigned int num_req_dev_types,
612 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id);
615 * send_probe_resp - Transmit a Probe Response frame
616 * @ctx: Callback context from cb_ctx
617 * @buf: Probe Response frame (including the header and body)
618 * @freq: Forced frequency (in MHz) to use or 0.
619 * Returns: 0 on success, -1 on failure
621 * This function is used to reply to Probe Request frames that were
622 * indicated with a call to p2p_probe_req_rx(). The response is to be
623 * sent on the same channel, unless otherwise specified, or to be
624 * dropped if the driver is not listening to Probe Request frames
627 * Alternatively, the responsibility for building the Probe Response
628 * frames in Listen state may be in another system component in which
629 * case this function need to be implemented (i.e., the function
630 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe
631 * Response frames in such a case are available from the
632 * start_listen() callback. It should be noted that the received Probe
633 * Request frames must be indicated by calling p2p_probe_req_rx() even
634 * if this send_probe_resp() is not used.
636 int (*send_probe_resp)(void *ctx, const struct wpabuf *buf,
640 * send_action - Transmit an Action frame
641 * @ctx: Callback context from cb_ctx
642 * @freq: Frequency in MHz for the channel on which to transmit
643 * @dst: Destination MAC address (Address 1)
644 * @src: Source MAC address (Address 2)
645 * @bssid: BSSID (Address 3)
646 * @buf: Frame body (starting from Category field)
647 * @len: Length of buf in octets
648 * @wait_time: How many msec to wait for a response frame
649 * Returns: 0 on success, -1 on failure
651 * The Action frame may not be transmitted immediately and the status
652 * of the transmission must be reported by calling
653 * p2p_send_action_cb() once the frame has either been transmitted or
654 * it has been dropped due to excessive retries or other failure to
657 int (*send_action)(void *ctx, unsigned int freq, const u8 *dst,
658 const u8 *src, const u8 *bssid, const u8 *buf,
659 size_t len, unsigned int wait_time);
662 * send_action_done - Notify that Action frame sequence was completed
663 * @ctx: Callback context from cb_ctx
665 * This function is called when the Action frame sequence that was
666 * started with send_action() has been completed, i.e., when there is
667 * no need to wait for a response from the destination peer anymore.
669 void (*send_action_done)(void *ctx);
672 * start_listen - Start Listen state
673 * @ctx: Callback context from cb_ctx
674 * @freq: Frequency of the listen channel in MHz
675 * @duration: Duration for the Listen state in milliseconds
676 * @probe_resp_ie: IE(s) to be added to Probe Response frames
677 * Returns: 0 on success, -1 on failure
679 * This Listen state may not start immediately since the driver may
680 * have other pending operations to complete first. Once the Listen
681 * state has started, p2p_listen_cb() must be called to notify the P2P
682 * module. Once the Listen state is stopped, p2p_listen_end() must be
683 * called to notify the P2P module that the driver is not in the Listen
686 * If the send_probe_resp() is not used for generating the response,
687 * the IEs from probe_resp_ie need to be added to the end of the Probe
688 * Response frame body. If send_probe_resp() is used, the probe_resp_ie
689 * information can be ignored.
691 int (*start_listen)(void *ctx, unsigned int freq,
692 unsigned int duration,
693 const struct wpabuf *probe_resp_ie);
695 * stop_listen - Stop Listen state
696 * @ctx: Callback context from cb_ctx
698 * This callback can be used to stop a Listen state operation that was
699 * previously requested with start_listen().
701 void (*stop_listen)(void *ctx);
704 * get_noa - Get current Notice of Absence attribute payload
705 * @ctx: Callback context from cb_ctx
706 * @interface_addr: P2P Interface Address of the GO
707 * @buf: Buffer for returning NoA
708 * @buf_len: Buffer length in octets
709 * Returns: Number of octets used in buf, 0 to indicate no NoA is being
710 * advertized, or -1 on failure
712 * This function is used to fetch the current Notice of Absence
713 * attribute value from GO.
715 int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf,
718 /* Callbacks to notify events to upper layer management entity */
721 * dev_found - Notification of a found P2P Device
722 * @ctx: Callback context from cb_ctx
723 * @addr: Source address of the message triggering this notification
724 * @info: P2P peer information
725 * @new_device: Inform if the peer is newly found
727 * This callback is used to notify that a new P2P Device has been
728 * found. This may happen, e.g., during Search state based on scan
729 * results or during Listen state based on receive Probe Request and
730 * Group Owner Negotiation Request.
732 void (*dev_found)(void *ctx, const u8 *addr,
733 const struct p2p_peer_info *info,
737 * dev_lost - Notification of a lost P2P Device
738 * @ctx: Callback context from cb_ctx
739 * @dev_addr: P2P Device Address of the lost P2P Device
741 * This callback is used to notify that a P2P Device has been deleted.
743 void (*dev_lost)(void *ctx, const u8 *dev_addr);
746 * find_stopped - Notification of a p2p_find operation stopping
747 * @ctx: Callback context from cb_ctx
749 void (*find_stopped)(void *ctx);
752 * go_neg_req_rx - Notification of a receive GO Negotiation Request
753 * @ctx: Callback context from cb_ctx
754 * @src: Source address of the message triggering this notification
755 * @dev_passwd_id: WPS Device Password ID
756 * @go_intent: Peer's GO Intent
758 * This callback is used to notify that a P2P Device is requesting
759 * group owner negotiation with us, but we do not have all the
760 * necessary information to start GO Negotiation. This indicates that
761 * the local user has not authorized the connection yet by providing a
762 * PIN or PBC button press. This information can be provided with a
763 * call to p2p_connect().
765 void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id,
769 * go_neg_completed - Notification of GO Negotiation results
770 * @ctx: Callback context from cb_ctx
771 * @res: GO Negotiation results
773 * This callback is used to notify that Group Owner Negotiation has
774 * been completed. Non-zero struct p2p_go_neg_results::status indicates
775 * failed negotiation. In case of success, this function is responsible
776 * for creating a new group interface (or using the existing interface
777 * depending on driver features), setting up the group interface in
778 * proper mode based on struct p2p_go_neg_results::role_go and
779 * initializing WPS provisioning either as a Registrar (if GO) or as an
780 * Enrollee. Successful WPS provisioning must be indicated by calling
781 * p2p_wps_success_cb(). The callee is responsible for timing out group
782 * formation if WPS provisioning cannot be completed successfully
785 void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res);
788 * sd_request - Callback on Service Discovery Request
789 * @ctx: Callback context from cb_ctx
790 * @freq: Frequency (in MHz) of the channel
791 * @sa: Source address of the request
792 * @dialog_token: Dialog token
793 * @update_indic: Service Update Indicator from the source of request
794 * @tlvs: P2P Service Request TLV(s)
795 * @tlvs_len: Length of tlvs buffer in octets
797 * This callback is used to indicate reception of a service discovery
798 * request. Response to the query must be indicated by calling
799 * p2p_sd_response() with the context information from the arguments to
800 * this callback function.
802 * This callback handler can be set to %NULL to indicate that service
803 * discovery is not supported.
805 void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token,
806 u16 update_indic, const u8 *tlvs, size_t tlvs_len);
809 * sd_response - Callback on Service Discovery Response
810 * @ctx: Callback context from cb_ctx
811 * @sa: Source address of the request
812 * @update_indic: Service Update Indicator from the source of response
813 * @tlvs: P2P Service Response TLV(s)
814 * @tlvs_len: Length of tlvs buffer in octets
816 * This callback is used to indicate reception of a service discovery
817 * response. This callback handler can be set to %NULL if no service
818 * discovery requests are used. The information provided with this call
819 * is replies to the queries scheduled with p2p_sd_request().
821 void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic,
822 const u8 *tlvs, size_t tlvs_len);
825 * prov_disc_req - Callback on Provisiong Discovery Request
826 * @ctx: Callback context from cb_ctx
827 * @peer: Source address of the request
828 * @config_methods: Requested WPS Config Method
829 * @dev_addr: P2P Device Address of the found P2P Device
830 * @pri_dev_type: Primary Device Type
831 * @dev_name: Device Name
832 * @supp_config_methods: Supported configuration Methods
833 * @dev_capab: Device Capabilities
834 * @group_capab: Group Capabilities
835 * @group_id: P2P Group ID (or %NULL if not included)
836 * @group_id_len: Length of P2P Group ID
838 * This callback is used to indicate reception of a Provision Discovery
839 * Request frame that the P2P module accepted.
841 void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods,
842 const u8 *dev_addr, const u8 *pri_dev_type,
843 const char *dev_name, u16 supp_config_methods,
844 u8 dev_capab, u8 group_capab,
845 const u8 *group_id, size_t group_id_len);
848 * prov_disc_resp - Callback on Provisiong Discovery Response
849 * @ctx: Callback context from cb_ctx
850 * @peer: Source address of the response
851 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure
853 * This callback is used to indicate reception of a Provision Discovery
854 * Response frame for a pending request scheduled with
855 * p2p_prov_disc_req(). This callback handler can be set to %NULL if
856 * provision discovery is not used.
858 void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods);
861 * prov_disc_fail - Callback on Provision Discovery failure
862 * @ctx: Callback context from cb_ctx
863 * @peer: Source address of the response
864 * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS
865 * @adv_id: If non-zero, then the adv_id of the PD Request
866 * @adv_mac: P2P Device Address of the advertizer
867 * @deferred_session_resp: Deferred session response sent by advertizer
869 * This callback is used to indicate either a failure or no response
870 * to an earlier provision discovery request.
872 * This callback handler can be set to %NULL if provision discovery
873 * is not used or failures do not need to be indicated.
875 void (*prov_disc_fail)(void *ctx, const u8 *peer,
876 enum p2p_prov_disc_status status,
877 u32 adv_id, const u8 *adv_mac,
878 const char *deferred_session_resp);
881 * invitation_process - Optional callback for processing Invitations
882 * @ctx: Callback context from cb_ctx
883 * @sa: Source address of the Invitation Request
884 * @bssid: P2P Group BSSID from the request or %NULL if not included
885 * @go_dev_addr: GO Device Address from P2P Group ID
886 * @ssid: SSID from P2P Group ID
887 * @ssid_len: Length of ssid buffer in octets
888 * @go: Variable for returning whether the local end is GO in the group
889 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO)
890 * @force_freq: Variable for returning forced frequency for the group
891 * @persistent_group: Whether this is an invitation to reinvoke a
892 * persistent group (instead of invitation to join an active
894 * @channels: Available operating channels for the group
895 * @dev_pw_id: Device Password ID for NFC static handover or -1 if not
897 * Returns: Status code (P2P_SC_*)
899 * This optional callback can be used to implement persistent reconnect
900 * by allowing automatic restarting of persistent groups without user
901 * interaction. If this callback is not implemented (i.e., is %NULL),
902 * the received Invitation Request frames are replied with
903 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the
904 * invitation_result() callback.
906 * If the requested parameters are acceptable and the group is known,
907 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown,
908 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED
909 * can be returned if there is not enough data to provide immediate
910 * response, i.e., if some sort of user interaction is needed. The
911 * invitation_received() callback will be called in that case
912 * immediately after this call.
914 u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid,
915 const u8 *go_dev_addr, const u8 *ssid,
916 size_t ssid_len, int *go, u8 *group_bssid,
917 int *force_freq, int persistent_group,
918 const struct p2p_channels *channels,
922 * invitation_received - Callback on Invitation Request RX
923 * @ctx: Callback context from cb_ctx
924 * @sa: Source address of the Invitation Request
925 * @bssid: P2P Group BSSID or %NULL if not received
926 * @ssid: SSID of the group
927 * @ssid_len: Length of ssid in octets
928 * @go_dev_addr: GO Device Address
929 * @status: Response Status
930 * @op_freq: Operational frequency for the group
932 * This callback is used to indicate sending of an Invitation Response
933 * for a received Invitation Request. If status == 0 (success), the
934 * upper layer code is responsible for starting the group. status == 1
935 * indicates need to get user authorization for the group. Other status
936 * values indicate that the invitation request was rejected.
938 void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid,
939 const u8 *ssid, size_t ssid_len,
940 const u8 *go_dev_addr, u8 status,
944 * invitation_result - Callback on Invitation result
945 * @ctx: Callback context from cb_ctx
946 * @status: Negotiation result (Status Code)
947 * @bssid: P2P Group BSSID or %NULL if not received
948 * @channels: Available operating channels for the group
949 * @addr: Peer address
950 * @freq: Frequency (in MHz) indicated during invitation or 0
951 * @peer_oper_freq: Operating frequency (in MHz) advertized by the peer
952 * during invitation or 0
954 * This callback is used to indicate result of an Invitation procedure
955 * started with a call to p2p_invite(). The indicated status code is
956 * the value received from the peer in Invitation Response with 0
957 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a
958 * local failure in transmitting the Invitation Request.
960 void (*invitation_result)(void *ctx, int status, const u8 *bssid,
961 const struct p2p_channels *channels,
962 const u8 *addr, int freq, int peer_oper_freq);
965 * go_connected - Check whether we are connected to a GO
966 * @ctx: Callback context from cb_ctx
967 * @dev_addr: P2P Device Address of a GO
968 * Returns: 1 if we are connected as a P2P client to the specified GO
971 int (*go_connected)(void *ctx, const u8 *dev_addr);
974 * presence_resp - Callback on Presence Response
975 * @ctx: Callback context from cb_ctx
976 * @src: Source address (GO's P2P Interface Address)
977 * @status: Result of the request (P2P_SC_*)
978 * @noa: Returned NoA value
979 * @noa_len: Length of the NoA buffer in octets
981 void (*presence_resp)(void *ctx, const u8 *src, u8 status,
982 const u8 *noa, size_t noa_len);
985 * is_concurrent_session_active - Check whether concurrent session is
986 * active on other virtual interfaces
987 * @ctx: Callback context from cb_ctx
988 * Returns: 1 if concurrent session is active on other virtual interface
991 int (*is_concurrent_session_active)(void *ctx);
994 * is_p2p_in_progress - Check whether P2P operation is in progress
995 * @ctx: Callback context from cb_ctx
996 * Returns: 1 if P2P operation (e.g., group formation) is in progress
999 int (*is_p2p_in_progress)(void *ctx);
1002 * Determine if we have a persistent group we share with remote peer
1003 * and allocate interface for this group if needed
1004 * @ctx: Callback context from cb_ctx
1005 * @addr: Peer device address to search for
1006 * @ssid: Persistent group SSID or %NULL if any
1007 * @ssid_len: Length of @ssid
1008 * @go_dev_addr: Buffer for returning GO P2P Device Address
1009 * @ret_ssid: Buffer for returning group SSID
1010 * @ret_ssid_len: Buffer for returning length of @ssid
1011 * @intended_iface_addr: Buffer for returning intended iface address
1012 * Returns: 1 if a matching persistent group was found, 0 otherwise
1014 int (*get_persistent_group)(void *ctx, const u8 *addr, const u8 *ssid,
1015 size_t ssid_len, u8 *go_dev_addr,
1016 u8 *ret_ssid, size_t *ret_ssid_len,
1017 u8 *intended_iface_addr);
1020 * Get information about a possible local GO role
1021 * @ctx: Callback context from cb_ctx
1022 * @intended_addr: Buffer for returning intended GO interface address
1023 * @ssid: Buffer for returning group SSID
1024 * @ssid_len: Buffer for returning length of @ssid
1025 * @group_iface: Buffer for returning whether a separate group interface
1027 * Returns: 1 if GO info found, 0 otherwise
1029 * This is used to compose New Group settings (SSID, and intended
1030 * address) during P2PS provisioning if results of provisioning *might*
1031 * result in our being an autonomous GO.
1033 int (*get_go_info)(void *ctx, u8 *intended_addr,
1034 u8 *ssid, size_t *ssid_len, int *group_iface);
1037 * remove_stale_groups - Remove stale P2PS groups
1039 * Because P2PS stages *potential* GOs, and remote devices can remove
1040 * credentials unilaterally, we need to make sure we don't let stale
1041 * unusable groups build up.
1043 int (*remove_stale_groups)(void *ctx, const u8 *peer, const u8 *go,
1044 const u8 *ssid, size_t ssid_len);
1047 * p2ps_prov_complete - P2PS provisioning complete
1049 * When P2PS provisioning completes (successfully or not) we must
1050 * transmit all of the results to the upper layers.
1052 void (*p2ps_prov_complete)(void *ctx, u8 status, const u8 *dev,
1053 const u8 *adv_mac, const u8 *ses_mac,
1054 const u8 *grp_mac, u32 adv_id, u32 ses_id,
1055 u8 conncap, int passwd_id,
1056 const u8 *persist_ssid,
1057 size_t persist_ssid_size, int response_done,
1058 int prov_start, const char *session_info,
1059 const u8 *feat_cap, size_t feat_cap_len);
1062 * prov_disc_resp_cb - Callback for indicating completion of PD Response
1063 * @ctx: Callback context from cb_ctx
1064 * Returns: 1 if operation was started, 0 otherwise
1066 * This callback can be used to perform any pending actions after
1067 * provisioning. It is mainly used for P2PS pending group creation.
1069 int (*prov_disc_resp_cb)(void *ctx);
1072 * p2ps_group_capability - Determine group capability
1074 * This function can be used to determine group capability based on
1075 * information from P2PS PD exchange and the current state of ongoing
1076 * groups and driver capabilities.
1078 * P2PS_SETUP_* bitmap is used as the parameters and return value.
1080 u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role);
1083 * get_pref_freq_list - Get preferred frequency list for an interface
1084 * @ctx: Callback context from cb_ctx
1085 * @go: Whether the use if for GO role
1086 * @len: Length of freq_list in entries (both IN and OUT)
1087 * @freq_list: Buffer for returning the preferred frequencies (MHz)
1088 * Returns: 0 on success, -1 on failure
1090 * This function can be used to query the preferred frequency list from
1091 * the driver specific to a particular interface type.
1093 int (*get_pref_freq_list)(void *ctx, int go,
1094 unsigned int *len, unsigned int *freq_list);
1098 /* P2P module initialization/deinitialization */
1101 * p2p_init - Initialize P2P module
1102 * @cfg: P2P module configuration
1103 * Returns: Pointer to private data or %NULL on failure
1105 * This function is used to initialize global P2P module context (one per
1106 * device). The P2P module will keep a copy of the configuration data, so the
1107 * caller does not need to maintain this structure. However, the callback
1108 * functions and the context parameters to them must be kept available until
1109 * the P2P module is deinitialized with p2p_deinit().
1111 struct p2p_data * p2p_init(const struct p2p_config *cfg);
1114 * p2p_deinit - Deinitialize P2P module
1115 * @p2p: P2P module context from p2p_init()
1117 void p2p_deinit(struct p2p_data *p2p);
1120 * p2p_flush - Flush P2P module state
1121 * @p2p: P2P module context from p2p_init()
1123 * This command removes the P2P module state like peer device entries.
1125 void p2p_flush(struct p2p_data *p2p);
1128 * p2p_unauthorize - Unauthorize the specified peer device
1129 * @p2p: P2P module context from p2p_init()
1130 * @addr: P2P peer entry to be unauthorized
1131 * Returns: 0 on success, -1 on failure
1133 * This command removes any connection authorization from the specified P2P
1134 * peer device address. This can be used, e.g., to cancel effect of a previous
1135 * p2p_authorize() or p2p_connect() call that has not yet resulted in completed
1138 int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr);
1141 * p2p_set_dev_name - Set device name
1142 * @p2p: P2P module context from p2p_init()
1143 * Returns: 0 on success, -1 on failure
1145 * This function can be used to update the P2P module configuration with
1146 * information that was not available at the time of the p2p_init() call.
1148 int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name);
1150 int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer);
1151 int p2p_set_model_name(struct p2p_data *p2p, const char *model_name);
1152 int p2p_set_model_number(struct p2p_data *p2p, const char *model_number);
1153 int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number);
1155 void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods);
1156 void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid);
1159 * p2p_set_pri_dev_type - Set primary device type
1160 * @p2p: P2P module context from p2p_init()
1161 * Returns: 0 on success, -1 on failure
1163 * This function can be used to update the P2P module configuration with
1164 * information that was not available at the time of the p2p_init() call.
1166 int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type);
1169 * p2p_set_sec_dev_types - Set secondary device types
1170 * @p2p: P2P module context from p2p_init()
1171 * Returns: 0 on success, -1 on failure
1173 * This function can be used to update the P2P module configuration with
1174 * information that was not available at the time of the p2p_init() call.
1176 int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
1177 size_t num_dev_types);
1179 int p2p_set_country(struct p2p_data *p2p, const char *country);
1182 /* Commands from upper layer management entity */
1184 enum p2p_discovery_type {
1185 P2P_FIND_START_WITH_FULL,
1186 P2P_FIND_ONLY_SOCIAL,
1187 P2P_FIND_PROGRESSIVE
1191 * p2p_find - Start P2P Find (Device Discovery)
1192 * @p2p: P2P module context from p2p_init()
1193 * @timeout: Timeout for find operation in seconds or 0 for no timeout
1194 * @type: Device Discovery type
1195 * @num_req_dev_types: Number of requested device types
1196 * @req_dev_types: Requested device types array, must be an array
1197 * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no
1198 * requested device types.
1199 * @dev_id: Device ID to search for or %NULL to find all devices
1200 * @search_delay: Extra delay in milliseconds between search iterations
1201 * @seek_count: Number of ASP Service Strings in the seek_string array
1202 * @seek_string: ASP Service Strings to query for in Probe Requests
1203 * @freq: Requested first scan frequency (in MHz) to modify type ==
1204 * P2P_FIND_START_WITH_FULL behavior. 0 = Use normal full scan.
1205 * If p2p_find is already in progress, this parameter is ignored and full
1206 * scan will be executed.
1207 * Returns: 0 on success, -1 on failure
1209 int p2p_find(struct p2p_data *p2p, unsigned int timeout,
1210 enum p2p_discovery_type type,
1211 unsigned int num_req_dev_types, const u8 *req_dev_types,
1212 const u8 *dev_id, unsigned int search_delay,
1213 u8 seek_count, const char **seek_string, int freq);
1216 * p2p_notify_scan_trigger_status - Indicate scan trigger status
1217 * @p2p: P2P module context from p2p_init()
1218 * @status: 0 on success, -1 on failure
1220 void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status);
1223 * p2p_stop_find - Stop P2P Find (Device Discovery)
1224 * @p2p: P2P module context from p2p_init()
1226 void p2p_stop_find(struct p2p_data *p2p);
1229 * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq
1230 * @p2p: P2P module context from p2p_init()
1231 * @freq: Frequency in MHz for next operation
1233 * This is like p2p_stop_find(), but Listen state is not stopped if we are
1234 * already on the same frequency.
1236 void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq);
1239 * p2p_listen - Start P2P Listen state for specified duration
1240 * @p2p: P2P module context from p2p_init()
1241 * @timeout: Listen state duration in milliseconds
1242 * Returns: 0 on success, -1 on failure
1244 * This function can be used to request the P2P module to keep the device
1245 * discoverable on the listen channel for an extended set of time. At least in
1246 * its current form, this is mainly used for testing purposes and may not be of
1247 * much use for normal P2P operations.
1249 int p2p_listen(struct p2p_data *p2p, unsigned int timeout);
1252 * p2p_stop_listen - Stop P2P Listen
1253 * @p2p: P2P module context from p2p_init()
1255 void p2p_stop_listen(struct p2p_data *p2p);
1258 * p2p_connect - Start P2P group formation (GO negotiation)
1259 * @p2p: P2P module context from p2p_init()
1260 * @peer_addr: MAC address of the peer P2P client
1261 * @wps_method: WPS method to be used in provisioning
1262 * @go_intent: Local GO intent value (1..15)
1263 * @own_interface_addr: Intended interface address to use with the group
1264 * @force_freq: The only allowed channel frequency in MHz or 0
1265 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1266 * persistent group without persistent reconnect, 2 = persistent group with
1267 * persistent reconnect)
1268 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1270 * @force_ssid_len: Length of $force_ssid buffer
1271 * @pd_before_go_neg: Whether to send Provision Discovery prior to GO
1272 * Negotiation as an interoperability workaround when initiating group
1274 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1276 * Returns: 0 on success, -1 on failure
1278 int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
1279 enum p2p_wps_method wps_method,
1280 int go_intent, const u8 *own_interface_addr,
1281 unsigned int force_freq, int persistent_group,
1282 const u8 *force_ssid, size_t force_ssid_len,
1283 int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id);
1286 * p2p_authorize - Authorize P2P group formation (GO negotiation)
1287 * @p2p: P2P module context from p2p_init()
1288 * @peer_addr: MAC address of the peer P2P client
1289 * @wps_method: WPS method to be used in provisioning
1290 * @go_intent: Local GO intent value (1..15)
1291 * @own_interface_addr: Intended interface address to use with the group
1292 * @force_freq: The only allowed channel frequency in MHz or 0
1293 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1294 * persistent group without persistent reconnect, 2 = persistent group with
1295 * persistent reconnect)
1296 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1298 * @force_ssid_len: Length of $force_ssid buffer
1299 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1301 * Returns: 0 on success, -1 on failure
1303 * This is like p2p_connect(), but the actual group negotiation is not
1304 * initiated automatically, i.e., the other end is expected to do that.
1306 int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
1307 enum p2p_wps_method wps_method,
1308 int go_intent, const u8 *own_interface_addr,
1309 unsigned int force_freq, int persistent_group,
1310 const u8 *force_ssid, size_t force_ssid_len,
1311 unsigned int pref_freq, u16 oob_pw_id);
1314 * p2p_reject - Reject peer device (explicitly block connection attempts)
1315 * @p2p: P2P module context from p2p_init()
1316 * @peer_addr: MAC address of the peer P2P client
1317 * Returns: 0 on success, -1 on failure
1319 int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr);
1322 * p2p_prov_disc_req - Send Provision Discovery Request
1323 * @p2p: P2P module context from p2p_init()
1324 * @peer_addr: MAC address of the peer P2P client
1325 * @p2ps_prov: Provisioning info for P2PS
1326 * @config_methods: WPS Config Methods value (only one bit set)
1327 * @join: Whether this is used by a client joining an active group
1328 * @force_freq: Forced TX frequency for the frame (mainly for the join case)
1329 * @user_initiated_pd: Flag to indicate if initiated by user or not
1330 * Returns: 0 on success, -1 on failure
1332 * This function can be used to request a discovered P2P peer to display a PIN
1333 * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us
1334 * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame
1335 * is transmitted once immediately and if no response is received, the frame
1336 * will be sent again whenever the target device is discovered during device
1337 * dsicovery (start with a p2p_find() call). Response from the peer is
1338 * indicated with the p2p_config::prov_disc_resp() callback.
1340 int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
1341 struct p2ps_provision *p2ps_prov, u16 config_methods,
1342 int join, int force_freq,
1343 int user_initiated_pd);
1346 * p2p_sd_request - Schedule a service discovery query
1347 * @p2p: P2P module context from p2p_init()
1348 * @dst: Destination peer or %NULL to apply for all peers
1349 * @tlvs: P2P Service Query TLV(s)
1350 * Returns: Reference to the query or %NULL on failure
1352 * Response to the query is indicated with the p2p_config::sd_response()
1355 void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
1356 const struct wpabuf *tlvs);
1358 #ifdef CONFIG_WIFI_DISPLAY
1359 void * p2p_sd_request_wfd(struct p2p_data *p2p, const u8 *dst,
1360 const struct wpabuf *tlvs);
1361 #endif /* CONFIG_WIFI_DISPLAY */
1364 * p2p_sd_cancel_request - Cancel a pending service discovery query
1365 * @p2p: P2P module context from p2p_init()
1366 * @req: Query reference from p2p_sd_request()
1367 * Returns: 0 if request for cancelled; -1 if not found
1369 int p2p_sd_cancel_request(struct p2p_data *p2p, void *req);
1372 * p2p_sd_response - Send response to a service discovery query
1373 * @p2p: P2P module context from p2p_init()
1374 * @freq: Frequency from p2p_config::sd_request() callback
1375 * @dst: Destination address from p2p_config::sd_request() callback
1376 * @dialog_token: Dialog token from p2p_config::sd_request() callback
1377 * @resp_tlvs: P2P Service Response TLV(s)
1379 * This function is called as a response to the request indicated with
1380 * p2p_config::sd_request() callback.
1382 void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst,
1383 u8 dialog_token, const struct wpabuf *resp_tlvs);
1386 * p2p_sd_service_update - Indicate a change in local services
1387 * @p2p: P2P module context from p2p_init()
1389 * This function needs to be called whenever there is a change in availability
1390 * of the local services. This will increment the Service Update Indicator
1391 * value which will be used in SD Request and Response frames.
1393 void p2p_sd_service_update(struct p2p_data *p2p);
1396 enum p2p_invite_role {
1398 P2P_INVITE_ROLE_ACTIVE_GO,
1399 P2P_INVITE_ROLE_CLIENT
1403 * p2p_invite - Invite a P2P Device into a group
1404 * @p2p: P2P module context from p2p_init()
1405 * @peer: Device Address of the peer P2P Device
1406 * @role: Local role in the group
1407 * @bssid: Group BSSID or %NULL if not known
1409 * @ssid_len: Length of ssid in octets
1410 * @force_freq: The only allowed channel frequency in MHz or 0
1411 * @go_dev_addr: Forced GO Device Address or %NULL if none
1412 * @persistent_group: Whether this is to reinvoke a persistent group
1413 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1415 * @dev_pw_id: Device Password ID from OOB Device Password (NFC) static handover
1416 * case or -1 if not used
1417 * Returns: 0 on success, -1 on failure
1419 int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
1420 const u8 *bssid, const u8 *ssid, size_t ssid_len,
1421 unsigned int force_freq, const u8 *go_dev_addr,
1422 int persistent_group, unsigned int pref_freq, int dev_pw_id);
1425 * p2p_presence_req - Request GO presence
1426 * @p2p: P2P module context from p2p_init()
1427 * @go_interface_addr: GO P2P Interface Address
1428 * @own_interface_addr: Own P2P Interface Address for this group
1429 * @freq: Group operating frequence (in MHz)
1430 * @duration1: Preferred presence duration in microseconds
1431 * @interval1: Preferred presence interval in microseconds
1432 * @duration2: Acceptable presence duration in microseconds
1433 * @interval2: Acceptable presence interval in microseconds
1434 * Returns: 0 on success, -1 on failure
1436 * If both duration and interval values are zero, the parameter pair is not
1437 * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0).
1439 int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
1440 const u8 *own_interface_addr, unsigned int freq,
1441 u32 duration1, u32 interval1, u32 duration2,
1445 * p2p_ext_listen - Set Extended Listen Timing
1446 * @p2p: P2P module context from p2p_init()
1447 * @freq: Group operating frequence (in MHz)
1448 * @period: Availability period in milliseconds (1-65535; 0 to disable)
1449 * @interval: Availability interval in milliseconds (1-65535; 0 to disable)
1450 * Returns: 0 on success, -1 on failure
1452 * This function can be used to enable or disable (period = interval = 0)
1453 * Extended Listen Timing. When enabled, the P2P Device will become
1454 * discoverable (go into Listen State) every @interval milliseconds for at
1455 * least @period milliseconds.
1457 int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
1458 unsigned int interval);
1460 /* Event notifications from upper layer management operations */
1463 * p2p_wps_success_cb - Report successfully completed WPS provisioning
1464 * @p2p: P2P module context from p2p_init()
1465 * @mac_addr: Peer address
1467 * This function is used to report successfully completed WPS provisioning
1468 * during group formation in both GO/Registrar and client/Enrollee roles.
1470 void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr);
1473 * p2p_group_formation_failed - Report failed WPS provisioning
1474 * @p2p: P2P module context from p2p_init()
1476 * This function is used to report failed group formation. This can happen
1477 * either due to failed WPS provisioning or due to 15 second timeout during
1478 * the provisioning phase.
1480 void p2p_group_formation_failed(struct p2p_data *p2p);
1483 * p2p_get_provisioning_info - Get any stored provisioning info
1484 * @p2p: P2P module context from p2p_init()
1485 * @addr: Peer P2P Device Address
1486 * Returns: WPS provisioning information (WPS config method) or 0 if no
1487 * information is available
1489 * This function is used to retrieve stored WPS provisioning info for the given
1492 u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1495 * p2p_clear_provisioning_info - Clear any stored provisioning info
1496 * @p2p: P2P module context from p2p_init()
1497 * @iface_addr: Peer P2P Device Address
1499 * This function is used to clear stored WPS provisioning info for the given
1502 void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1505 /* Event notifications from lower layer driver operations */
1508 * enum p2p_probe_req_status
1510 * @P2P_PREQ_MALFORMED: frame was not well-formed
1511 * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored
1512 * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request
1513 * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed
1514 * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P
1516 enum p2p_probe_req_status {
1518 P2P_PREQ_NOT_LISTEN,
1520 P2P_PREQ_NOT_PROCESSED,
1525 * p2p_probe_req_rx - Report reception of a Probe Request frame
1526 * @p2p: P2P module context from p2p_init()
1527 * @addr: Source MAC address
1528 * @dst: Destination MAC address if available or %NULL
1529 * @bssid: BSSID if available or %NULL
1530 * @ie: Information elements from the Probe Request frame body
1531 * @ie_len: Length of ie buffer in octets
1532 * @rx_freq: Probe Request frame RX frequency
1533 * Returns: value indicating the type and status of the probe request
1535 enum p2p_probe_req_status
1536 p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
1537 const u8 *bssid, const u8 *ie, size_t ie_len,
1538 unsigned int rx_freq);
1541 * p2p_rx_action - Report received Action frame
1542 * @p2p: P2P module context from p2p_init()
1543 * @da: Destination address of the received Action frame
1544 * @sa: Source address of the received Action frame
1545 * @bssid: Address 3 of the received Action frame
1546 * @category: Category of the received Action frame
1547 * @data: Action frame body after the Category field
1548 * @len: Length of the data buffer in octets
1549 * @freq: Frequency (in MHz) on which the frame was received
1551 void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
1552 const u8 *bssid, u8 category,
1553 const u8 *data, size_t len, int freq);
1556 * p2p_scan_res_handler - Indicate a P2P scan results
1557 * @p2p: P2P module context from p2p_init()
1558 * @bssid: BSSID of the scan result
1559 * @freq: Frequency of the channel on which the device was found in MHz
1560 * @rx_time: Time when the result was received
1561 * @level: Signal level (signal strength of the received Beacon/Probe Response
1563 * @ies: Pointer to IEs from the scan result
1564 * @ies_len: Length of the ies buffer
1565 * Returns: 0 to continue or 1 to stop scan result indication
1567 * This function is called to indicate a scan result entry with P2P IE from a
1568 * scan requested with struct p2p_config::p2p_scan(). This can be called during
1569 * the actual scan process (i.e., whenever a new device is found) or as a
1570 * sequence of calls after the full scan has been completed. The former option
1571 * can result in optimized operations, but may not be supported by all
1572 * driver/firmware designs. The ies buffer need to include at least the P2P IE,
1573 * but it is recommended to include all IEs received from the device. The
1574 * caller does not need to check that the IEs contain a P2P IE before calling
1575 * this function since frames will be filtered internally if needed.
1577 * This function will return 1 if it wants to stop scan result iteration (and
1578 * scan in general if it is still in progress). This is used to allow faster
1579 * start of a pending operation, e.g., to start a pending GO negotiation.
1581 int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
1582 struct os_reltime *rx_time, int level, const u8 *ies,
1586 * p2p_scan_res_handled - Indicate end of scan results
1587 * @p2p: P2P module context from p2p_init()
1589 * This function is called to indicate that all P2P scan results from a scan
1590 * have been reported with zero or more calls to p2p_scan_res_handler(). This
1591 * function must be called as a response to successful
1592 * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler()
1593 * calls stopped iteration.
1595 void p2p_scan_res_handled(struct p2p_data *p2p);
1597 enum p2p_send_action_result {
1598 P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
1599 P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */,
1600 P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
1604 * p2p_send_action_cb - Notify TX status of an Action frame
1605 * @p2p: P2P module context from p2p_init()
1606 * @freq: Channel frequency in MHz
1607 * @dst: Destination MAC address (Address 1)
1608 * @src: Source MAC address (Address 2)
1609 * @bssid: BSSID (Address 3)
1610 * @result: Result of the transmission attempt
1612 * This function is used to indicate the result of an Action frame transmission
1613 * that was requested with struct p2p_config::send_action() callback.
1615 void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
1616 const u8 *src, const u8 *bssid,
1617 enum p2p_send_action_result result);
1620 * p2p_listen_cb - Indicate the start of a requested Listen state
1621 * @p2p: P2P module context from p2p_init()
1622 * @freq: Listen channel frequency in MHz
1623 * @duration: Duration for the Listen state in milliseconds
1625 * This function is used to indicate that a Listen state requested with
1626 * struct p2p_config::start_listen() callback has started.
1628 void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
1629 unsigned int duration);
1632 * p2p_listen_end - Indicate the end of a requested Listen state
1633 * @p2p: P2P module context from p2p_init()
1634 * @freq: Listen channel frequency in MHz
1635 * Returns: 0 if no operations were started, 1 if an operation was started
1637 * This function is used to indicate that a Listen state requested with
1638 * struct p2p_config::start_listen() callback has ended.
1640 int p2p_listen_end(struct p2p_data *p2p, unsigned int freq);
1642 void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1643 const u8 *ie, size_t ie_len);
1645 void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1646 const u8 *ie, size_t ie_len);
1649 /* Per-group P2P state for GO */
1654 * struct p2p_group_config - P2P group configuration
1656 * This configuration is provided to the P2P module during initialization of
1657 * the per-group information with p2p_group_init().
1659 struct p2p_group_config {
1661 * persistent_group - Whether the group is persistent
1662 * 0 = not a persistent group
1663 * 1 = persistent group without persistent reconnect
1664 * 2 = persistent group with persistent reconnect
1666 int persistent_group;
1669 * interface_addr - P2P Interface Address of the group
1671 u8 interface_addr[ETH_ALEN];
1674 * max_clients - Maximum number of clients in the group
1676 unsigned int max_clients;
1681 u8 ssid[SSID_MAX_LEN];
1684 * ssid_len - Length of SSID
1689 * freq - Operating channel of the group
1694 * cb_ctx - Context to use with callback functions
1699 * ie_update - Notification of IE update
1700 * @ctx: Callback context from cb_ctx
1701 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change
1702 * @proberesp_ies: P2P Ie for Probe Response frames
1704 * P2P module uses this callback function to notify whenever the P2P IE
1705 * in Beacon or Probe Response frames should be updated based on group
1708 * The callee is responsible for freeing the returned buffer(s) with
1711 void (*ie_update)(void *ctx, struct wpabuf *beacon_ies,
1712 struct wpabuf *proberesp_ies);
1715 * idle_update - Notification of changes in group idle state
1716 * @ctx: Callback context from cb_ctx
1717 * @idle: Whether the group is idle (no associated stations)
1719 void (*idle_update)(void *ctx, int idle);
1723 * p2p_group_init - Initialize P2P group
1724 * @p2p: P2P module context from p2p_init()
1725 * @config: P2P group configuration (will be freed by p2p_group_deinit())
1726 * Returns: Pointer to private data or %NULL on failure
1728 * This function is used to initialize per-group P2P module context. Currently,
1729 * this is only used to manage GO functionality and P2P clients do not need to
1730 * create an instance of this per-group information.
1732 struct p2p_group * p2p_group_init(struct p2p_data *p2p,
1733 struct p2p_group_config *config);
1736 * p2p_group_deinit - Deinitialize P2P group
1737 * @group: P2P group context from p2p_group_init()
1739 void p2p_group_deinit(struct p2p_group *group);
1742 * p2p_group_notif_assoc - Notification of P2P client association with GO
1743 * @group: P2P group context from p2p_group_init()
1744 * @addr: Interface address of the P2P client
1745 * @ie: IEs from the (Re)association Request frame
1746 * @len: Length of the ie buffer in octets
1747 * Returns: 0 on success, -1 on failure
1749 int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
1750 const u8 *ie, size_t len);
1753 * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response
1754 * @group: P2P group context from p2p_group_init()
1755 * @status: Status value (P2P_SC_SUCCESS if association succeeded)
1756 * Returns: P2P IE for (Re)association Response or %NULL on failure
1758 * The caller is responsible for freeing the returned buffer with
1761 struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status);
1764 * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO
1765 * @group: P2P group context from p2p_group_init()
1766 * @addr: Interface address of the P2P client
1768 void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr);
1771 * p2p_group_notif_formation_done - Notification of completed group formation
1772 * @group: P2P group context from p2p_group_init()
1774 void p2p_group_notif_formation_done(struct p2p_group *group);
1777 * p2p_group_notif_noa - Notification of NoA change
1778 * @group: P2P group context from p2p_group_init()
1779 * @noa: Notice of Absence attribute payload, %NULL if none
1780 * @noa_len: Length of noa buffer in octets
1781 * Returns: 0 on success, -1 on failure
1783 * Notify the P2P group management about a new NoA contents. This will be
1784 * inserted into the P2P IEs in Beacon and Probe Response frames with rest of
1785 * the group information.
1787 int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
1791 * p2p_group_match_dev_type - Match device types in group with requested type
1792 * @group: P2P group context from p2p_group_init()
1793 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
1794 * Returns: 1 on match, 0 on mismatch
1796 * This function can be used to match the Requested Device Type attribute in
1797 * WPS IE with the device types of a group member for deciding whether a GO
1798 * should reply to a Probe Request frame. Match will be reported if the WPS IE
1799 * is not requested any specific device type.
1801 int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps);
1804 * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id
1806 int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p);
1809 * p2p_group_go_discover - Send GO Discoverability Request to a group client
1810 * @group: P2P group context from p2p_group_init()
1811 * Returns: 0 on success (frame scheduled); -1 if client was not found
1813 int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
1814 const u8 *searching_dev, int rx_freq);
1817 /* Generic helper functions */
1820 * p2p_ie_text - Build text format description of P2P IE
1822 * @buf: Buffer for returning text
1823 * @end: Pointer to the end of the buf area
1824 * Returns: Number of octets written to the buffer or -1 on failure
1826 * This function can be used to parse P2P IE contents into text format
1827 * field=value lines.
1829 int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end);
1832 * p2p_scan_result_text - Build text format description of P2P IE
1833 * @ies: Information elements from scan results
1834 * @ies_len: ies buffer length in octets
1835 * @buf: Buffer for returning text
1836 * @end: Pointer to the end of the buf area
1837 * Returns: Number of octets written to the buffer or -1 on failure
1839 * This function can be used to parse P2P IE contents into text format
1840 * field=value lines.
1842 int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end);
1845 * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated
1848 * @dev_addr: Buffer for returning P2P Device Address
1849 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1851 int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr);
1854 * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s)
1855 * @ies: Information elements from scan results
1856 * @ies_len: ies buffer length in octets
1857 * @dev_addr: Buffer for returning P2P Device Address
1858 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1860 int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr);
1863 * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame
1864 * @p2p: P2P module context from p2p_init()
1866 * @buf: Buffer for writing the P2P IE
1867 * @len: Maximum buf length in octets
1868 * @p2p_group: Whether this is for association with a P2P GO
1869 * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none
1870 * Returns: Number of octets written into buf or -1 on failure
1872 int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
1873 size_t len, int p2p_group, struct wpabuf *p2p_ie);
1876 * p2p_scan_ie - Build P2P IE for Probe Request
1877 * @p2p: P2P module context from p2p_init()
1878 * @ies: Buffer for writing P2P IE
1879 * @dev_id: Device ID to search for or %NULL for any
1881 void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id);
1884 * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie
1885 * @p2p: P2P module context from p2p_init()
1886 * Returns: Number of octets that p2p_scan_ie() may add to the buffer
1888 size_t p2p_scan_ie_buf_len(struct p2p_data *p2p);
1891 * p2p_go_params - Generate random P2P group parameters
1892 * @p2p: P2P module context from p2p_init()
1893 * @params: Buffer for parameters
1894 * Returns: 0 on success, -1 on failure
1896 int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params);
1899 * p2p_get_group_capab - Get Group Capability from P2P IE data
1900 * @p2p_ie: P2P IE(s) contents
1901 * Returns: Group Capability
1903 u8 p2p_get_group_capab(const struct wpabuf *p2p_ie);
1906 * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection
1907 * @p2p_ie: P2P IE(s) contents
1908 * Returns: 0 if cross connection is allow, 1 if not
1910 int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie);
1913 * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data
1914 * @p2p_ie: P2P IE(s) contents
1915 * Returns: Pointer to P2P Device Address or %NULL if not included
1917 const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie);
1920 * p2p_get_peer_info - Get P2P peer information
1921 * @p2p: P2P module context from p2p_init()
1922 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
1923 * @next: Whether to select the peer entry following the one indicated by addr
1924 * Returns: Pointer to peer info or %NULL if not found
1926 const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p,
1927 const u8 *addr, int next);
1930 * p2p_get_peer_info_txt - Get internal P2P peer information in text format
1931 * @info: Pointer to P2P peer info from p2p_get_peer_info()
1932 * @buf: Buffer for returning text
1933 * @buflen: Maximum buffer length
1934 * Returns: Number of octets written to the buffer or -1 on failure
1936 * Note: This information is internal to the P2P module and subject to change.
1937 * As such, this should not really be used by external programs for purposes
1938 * other than debugging.
1940 int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
1941 char *buf, size_t buflen);
1944 * p2p_peer_known - Check whether P2P peer is known
1945 * @p2p: P2P module context from p2p_init()
1946 * @addr: P2P Device Address of the peer
1947 * Returns: 1 if the specified device is in the P2P peer table or 0 if not
1949 int p2p_peer_known(struct p2p_data *p2p, const u8 *addr);
1952 * p2p_set_client_discoverability - Set client discoverability capability
1953 * @p2p: P2P module context from p2p_init()
1954 * @enabled: Whether client discoverability will be enabled
1956 * This function can be used to disable (and re-enable) client discoverability.
1957 * This capability is enabled by default and should not be disabled in normal
1958 * use cases, i.e., this is mainly for testing purposes.
1960 void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled);
1963 * p2p_set_managed_oper - Set managed P2P Device operations capability
1964 * @p2p: P2P module context from p2p_init()
1965 * @enabled: Whether managed P2P Device operations will be enabled
1967 void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
1970 * p2p_config_get_random_social - Return a random social channel
1972 * @op_class: Selected operating class
1973 * @op_channel: Selected social channel
1974 * Returns: 0 on success, -1 on failure
1976 * This function is used before p2p_init is called. A random social channel
1977 * from supports bands 2.4 GHz (channels 1,6,11) and 60 GHz (channel 2) is
1978 * returned on success.
1980 int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class,
1983 int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel,
1986 u8 p2p_get_listen_channel(struct p2p_data *p2p);
1988 int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
1990 int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
1992 int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
1995 void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr);
1998 * p2p_set_cross_connect - Set cross connection capability
1999 * @p2p: P2P module context from p2p_init()
2000 * @enabled: Whether cross connection will be enabled
2002 void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
2004 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
2007 * p2p_set_intra_bss_dist - Set intra BSS distribution
2008 * @p2p: P2P module context from p2p_init()
2009 * @enabled: Whether intra BSS distribution will be enabled
2011 void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
2013 int p2p_channels_includes_freq(const struct p2p_channels *channels,
2016 int p2p_channels_to_freqs(const struct p2p_channels *channels,
2017 int *freq_list, unsigned int max_len);
2020 * p2p_supported_freq - Check whether channel is supported for P2P
2021 * @p2p: P2P module context from p2p_init()
2022 * @freq: Channel frequency in MHz
2023 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
2025 int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
2028 * p2p_supported_freq_go - Check whether channel is supported for P2P GO operation
2029 * @p2p: P2P module context from p2p_init()
2030 * @freq: Channel frequency in MHz
2031 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
2033 int p2p_supported_freq_go(struct p2p_data *p2p, unsigned int freq);
2036 * p2p_supported_freq_cli - Check whether channel is supported for P2P client operation
2037 * @p2p: P2P module context from p2p_init()
2038 * @freq: Channel frequency in MHz
2039 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
2041 int p2p_supported_freq_cli(struct p2p_data *p2p, unsigned int freq);
2044 * p2p_get_pref_freq - Get channel from preferred channel list
2045 * @p2p: P2P module context from p2p_init()
2046 * @channels: List of channels
2047 * Returns: Preferred channel
2049 unsigned int p2p_get_pref_freq(struct p2p_data *p2p,
2050 const struct p2p_channels *channels);
2052 void p2p_update_channel_list(struct p2p_data *p2p,
2053 const struct p2p_channels *chan,
2054 const struct p2p_channels *cli_chan);
2057 * p2p_set_best_channels - Update best channel information
2058 * @p2p: P2P module context from p2p_init()
2059 * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band
2060 * @freq_5: Frequency (MHz) of best channel in 5 GHz band
2061 * @freq_overall: Frequency (MHz) of best channel overall
2063 void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
2067 * p2p_set_own_freq_preference - Set own preference for channel
2068 * @p2p: P2P module context from p2p_init()
2069 * @freq: Frequency (MHz) of the preferred channel or 0 if no preference
2071 * This function can be used to set a preference on the operating channel based
2072 * on frequencies used on the other virtual interfaces that share the same
2073 * radio. If non-zero, this is used to try to avoid multi-channel concurrency.
2075 void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq);
2077 const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p);
2080 * p2p_get_group_num_members - Get number of members in group
2081 * @group: P2P group context from p2p_group_init()
2082 * Returns: Number of members in the group
2084 unsigned int p2p_get_group_num_members(struct p2p_group *group);
2087 * p2p_client_limit_reached - Check if client limit is reached
2088 * @group: P2P group context from p2p_group_init()
2089 * Returns: 1 if no of clients limit reached
2091 int p2p_client_limit_reached(struct p2p_group *group);
2094 * p2p_iterate_group_members - Iterate group members
2095 * @group: P2P group context from p2p_group_init()
2096 * @next: iteration pointer, must be a pointer to a void * that is set to %NULL
2097 * on the first call and not modified later
2098 * Returns: A P2P Device Address for each call and %NULL for no more members
2100 const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
2103 * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group
2104 * @group: P2P group context from p2p_group_init()
2105 * @addr: P2P Interface Address of the client
2106 * Returns: P2P Device Address of the client if found or %NULL if no match
2109 const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr);
2112 * p2p_group_is_client_connected - Check whether a specific client is connected
2113 * @group: P2P group context from p2p_group_init()
2114 * @addr: P2P Device Address of the client
2115 * Returns: 1 if client is connected or 0 if not
2117 int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr);
2120 * p2p_group_get_config - Get the group configuration
2121 * @group: P2P group context from p2p_group_init()
2122 * Returns: The group configuration pointer
2124 const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group);
2127 * p2p_loop_on_all_groups - Run the given callback on all groups
2128 * @p2p: P2P module context from p2p_init()
2129 * @group_callback: The callback function pointer
2130 * @user_data: Some user data pointer which can be %NULL
2132 * The group_callback function can stop the iteration by returning 0.
2134 void p2p_loop_on_all_groups(struct p2p_data *p2p,
2135 int (*group_callback)(struct p2p_group *group,
2140 * p2p_get_peer_found - Get P2P peer info structure of a found peer
2141 * @p2p: P2P module context from p2p_init()
2142 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
2143 * @next: Whether to select the peer entry following the one indicated by addr
2144 * Returns: The first P2P peer info available or %NULL if no such peer exists
2146 const struct p2p_peer_info *
2147 p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next);
2150 * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions
2151 * @p2p: P2P module context from p2p_init()
2153 void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p);
2156 * p2p_add_wps_vendor_extension - Add a WPS vendor extension
2157 * @p2p: P2P module context from p2p_init()
2158 * @vendor_ext: The vendor extensions to add
2159 * Returns: 0 on success, -1 on failure
2161 * The wpabuf structures in the array are owned by the P2P
2162 * module after this call.
2164 int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
2165 const struct wpabuf *vendor_ext);
2168 * p2p_set_oper_channel - Set the P2P operating channel
2169 * @p2p: P2P module context from p2p_init()
2170 * @op_reg_class: Operating regulatory class to set
2171 * @op_channel: operating channel to set
2172 * @cfg_op_channel : Whether op_channel is hardcoded in configuration
2173 * Returns: 0 on success, -1 on failure
2175 int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel,
2176 int cfg_op_channel);
2179 * p2p_set_pref_chan - Set P2P preferred channel list
2180 * @p2p: P2P module context from p2p_init()
2181 * @num_pref_chan: Number of entries in pref_chan list
2182 * @pref_chan: Preferred channels or %NULL to remove preferences
2183 * Returns: 0 on success, -1 on failure
2185 int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan,
2186 const struct p2p_channel *pref_chan);
2189 * p2p_set_no_go_freq - Set no GO channel ranges
2190 * @p2p: P2P module context from p2p_init()
2191 * @list: Channel ranges or %NULL to remove restriction
2192 * Returns: 0 on success, -1 on failure
2194 int p2p_set_no_go_freq(struct p2p_data *p2p,
2195 const struct wpa_freq_range_list *list);
2198 * p2p_in_progress - Check whether a P2P operation is progress
2199 * @p2p: P2P module context from p2p_init()
2200 * Returns: 0 if P2P module is idle, 1 if an operation is in progress but not
2201 * in search state, or 2 if search state operation is in progress
2203 int p2p_in_progress(struct p2p_data *p2p);
2205 const char * p2p_wps_method_text(enum p2p_wps_method method);
2208 * p2p_set_config_timeout - Set local config timeouts
2209 * @p2p: P2P module context from p2p_init()
2210 * @go_timeout: Time in 10 ms units it takes to start the GO mode
2211 * @client_timeout: Time in 10 ms units it takes to start the client mode
2213 void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout,
2216 int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie);
2217 int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie);
2218 int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie);
2219 int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie);
2220 int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie);
2221 int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie);
2222 int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie);
2223 int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie);
2224 int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem);
2225 int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem);
2226 int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p,
2227 const struct wpabuf *elem);
2228 struct wpabuf * wifi_display_encaps(struct wpabuf *subelems);
2231 * p2p_set_disc_int - Set min/max discoverable interval for p2p_find
2232 * @p2p: P2P module context from p2p_init()
2233 * @min_disc_int: minDiscoverableInterval (in units of 100 TU); default 1
2234 * @max_disc_int: maxDiscoverableInterval (in units of 100 TU); default 3
2235 * @max_disc_tu: Maximum number of TUs (1.024 ms) for discoverable interval; or
2237 * Returns: 0 on success, or -1 on failure
2239 * This function can be used to configure minDiscoverableInterval and
2240 * maxDiscoverableInterval parameters for the Listen state during device
2241 * discovery (p2p_find). A random number of 100 TU units is picked for each
2242 * Listen state iteration from [min_disc_int,max_disc_int] range.
2244 * max_disc_tu can be used to futher limit the discoverable duration. However,
2245 * it should be noted that use of this parameter is not recommended since it
2246 * would not be compliant with the P2P specification.
2248 int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int,
2252 * p2p_get_state_txt - Get current P2P state for debug purposes
2253 * @p2p: P2P module context from p2p_init()
2254 * Returns: Name of the current P2P module state
2256 * It should be noted that the P2P module state names are internal information
2257 * and subject to change at any point, i.e., this information should be used
2258 * mainly for debugging purposes.
2260 const char * p2p_get_state_txt(struct p2p_data *p2p);
2262 struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p,
2264 const u8 *go_dev_addr,
2265 const u8 *ssid, size_t ssid_len);
2266 struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p,
2268 const u8 *go_dev_addr,
2269 const u8 *ssid, size_t ssid_len);
2271 struct p2p_nfc_params {
2279 NO_ACTION, JOIN_GROUP, AUTH_JOIN, INIT_GO_NEG, RESP_GO_NEG,
2280 BOTH_GO, PEER_CLIENT
2282 struct p2p_peer_info *peer;
2283 u8 oob_dev_pw[WPS_OOB_PUBKEY_HASH_LEN + 2 +
2284 WPS_OOB_DEVICE_PASSWORD_LEN];
2285 size_t oob_dev_pw_len;
2287 u8 go_dev_addr[ETH_ALEN];
2288 u8 go_ssid[SSID_MAX_LEN];
2292 int p2p_process_nfc_connection_handover(struct p2p_data *p2p,
2293 struct p2p_nfc_params *params);
2295 void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id,
2297 const u8 *own_interface_addr);
2299 int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len);
2301 void p2p_loop_on_known_peers(struct p2p_data *p2p,
2302 void (*peer_callback)(struct p2p_peer_info *peer,
2306 void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem);
2308 void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr);
2310 struct p2ps_advertisement *
2311 p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id);
2312 int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
2313 const char *adv_str, u8 svc_state,
2314 u16 config_methods, const char *svc_info,
2315 const u8 *cpt_priority);
2316 int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id);
2317 void p2p_service_flush_asp(struct p2p_data *p2p);
2318 struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p);
2321 * p2p_expire_peers - Periodic cleanup function to expire peers
2322 * @p2p: P2P module context from p2p_init()
2324 * This is a cleanup function that the entity calling p2p_init() is
2325 * expected to call periodically to clean up expired peer entries.
2327 void p2p_expire_peers(struct p2p_data *p2p);
2329 void p2p_set_own_pref_freq_list(struct p2p_data *p2p,
2330 const unsigned int *pref_freq_list,
2334 * p2p_group_get_common_freqs - Get the group common frequencies
2335 * @group: P2P group context from p2p_group_init()
2336 * @common_freqs: On return will hold the group common frequencies
2337 * @num: On return will hold the number of group common frequencies
2338 * Returns: 0 on success, -1 otherwise
2340 int p2p_group_get_common_freqs(struct p2p_group *group, int *common_freqs,