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_REG_CLASSES - Maximum number of regulatory classes
29 #define P2P_MAX_REG_CLASSES 10
32 * P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class
34 #define P2P_MAX_REG_CLASS_CHANNELS 20
37 * struct p2p_channels - List of supported channels
41 * struct p2p_reg_class - Supported regulatory class
43 struct p2p_reg_class {
45 * reg_class - Regulatory class (IEEE 802.11-2007, Annex J)
50 * channel - Supported channels
52 u8 channel[P2P_MAX_REG_CLASS_CHANNELS];
55 * channels - Number of channel entries in use
58 } reg_class[P2P_MAX_REG_CLASSES];
61 * reg_classes - Number of reg_class entries in use
67 WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC,
72 * struct p2p_go_neg_results - P2P Group Owner Negotiation results
74 struct p2p_go_neg_results {
76 * status - Negotiation result (Status Code)
78 * 0 (P2P_SC_SUCCESS) indicates success. Non-zero values indicate
84 * role_go - Whether local end is Group Owner
89 * freq - Frequency of the group operational channel in MHz
98 * ssid - SSID of the group
100 u8 ssid[SSID_MAX_LEN];
103 * ssid_len - Length of SSID in octets
108 * psk - WPA pre-shared key (256 bits) (GO only)
113 * psk_set - Whether PSK field is configured (GO only)
118 * passphrase - WPA2-Personal passphrase for the group (GO only)
123 * peer_device_addr - P2P Device Address of the peer
125 u8 peer_device_addr[ETH_ALEN];
128 * peer_interface_addr - P2P Interface Address of the peer
130 u8 peer_interface_addr[ETH_ALEN];
133 * wps_method - WPS method to be used during provisioning
135 enum p2p_wps_method wps_method;
137 #define P2P_MAX_CHANNELS 50
140 * freq_list - Zero-terminated list of possible operational channels
142 int freq_list[P2P_MAX_CHANNELS];
145 * persistent_group - Whether the group should be made persistent
147 * 1 = persistent group without persistent reconnect
148 * 2 = persistent group with persistent reconnect
150 int persistent_group;
153 * peer_config_timeout - Peer configuration timeout (in 10 msec units)
155 unsigned int peer_config_timeout;
158 struct p2ps_provision {
160 * status - Remote returned provisioning status code
165 * adv_id - P2PS Advertisement ID
170 * session_id - P2PS Session ID
175 * method - WPS Method (to be) used to establish session
180 * conncap - Connection Capabilities negotiated between P2P peers
185 * role - Info about the roles to be used for this connection
190 * session_mac - MAC address of the peer that started the session
192 u8 session_mac[ETH_ALEN];
195 * adv_mac - MAC address of the peer advertised the service
197 u8 adv_mac[ETH_ALEN];
200 * cpt_mask - Supported Coordination Protocol Transport mask
202 * A bitwise mask of supported ASP Coordination Protocol Transports.
203 * This property is set together and corresponds with cpt_priority.
208 * cpt_priority - Coordination Protocol Transport priority list
210 * Priorities of supported ASP Coordination Protocol Transports.
211 * This property is set together and corresponds with cpt_mask.
212 * The CPT priority list is 0 terminated.
214 u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
217 * info - Vendor defined extra Provisioning information
222 struct p2ps_advertisement {
223 struct p2ps_advertisement *next;
226 * svc_info - Pointer to (internal) Service defined information
231 * id - P2PS Advertisement ID
236 * config_methods - WPS Methods which are allowed for this service
241 * state - Current state of the service: 0 - Out Of Service, 1-255 Vendor defined
246 * auto_accept - Automatically Accept provisioning request if possible.
251 * hash - 6 octet Service Name has to match against incoming Probe Requests
253 u8 hash[P2PS_HASH_LEN];
256 * cpt_mask - supported Coordination Protocol Transport mask
258 * A bitwise mask of supported ASP Coordination Protocol Transports.
259 * This property is set together and corresponds with cpt_priority.
264 * cpt_priority - Coordination Protocol Transport priority list
266 * Priorities of supported ASP Coordinatin Protocol Transports.
267 * This property is set together and corresponds with cpt_mask.
268 * The CPT priority list is 0 terminated.
270 u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
273 * svc_name - NULL Terminated UTF-8 Service Name, and svc_info storage
285 P2P_SCAN_SOCIAL_PLUS_ONE
288 #define P2P_MAX_WPS_VENDOR_EXT 10
291 * struct p2p_peer_info - P2P peer information
293 struct p2p_peer_info {
295 * p2p_device_addr - P2P Device Address of the peer
297 u8 p2p_device_addr[ETH_ALEN];
300 * pri_dev_type - Primary Device Type
305 * device_name - Device Name (0..32 octets encoded in UTF-8)
307 char device_name[WPS_DEV_NAME_MAX_LEN + 1];
310 * manufacturer - Manufacturer (0..64 octets encoded in UTF-8)
312 char manufacturer[WPS_MANUFACTURER_MAX_LEN + 1];
315 * model_name - Model Name (0..32 octets encoded in UTF-8)
317 char model_name[WPS_MODEL_NAME_MAX_LEN + 1];
320 * model_number - Model Number (0..32 octets encoded in UTF-8)
322 char model_number[WPS_MODEL_NUMBER_MAX_LEN + 1];
325 * serial_number - Serial Number (0..32 octets encoded in UTF-8)
327 char serial_number[WPS_SERIAL_NUMBER_MAX_LEN + 1];
330 * level - Signal level
335 * config_methods - WPS Configuration Methods
340 * dev_capab - Device Capabilities
345 * group_capab - Group Capabilities
350 * wps_sec_dev_type_list - WPS secondary device type list
352 * This list includes from 0 to 16 Secondary Device Types as indicated
353 * by wps_sec_dev_type_list_len (8 * number of types).
355 u8 wps_sec_dev_type_list[WPS_SEC_DEV_TYPE_MAX_LEN];
358 * wps_sec_dev_type_list_len - Length of secondary device type list
360 size_t wps_sec_dev_type_list_len;
362 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
365 * wfd_subelems - Wi-Fi Display subelements from WFD IE(s)
367 struct wpabuf *wfd_subelems;
370 * vendor_elems - Unrecognized vendor elements
372 * This buffer includes any other vendor element than P2P, WPS, and WFD
373 * IE(s) from the frame that was used to discover the peer.
375 struct wpabuf *vendor_elems;
378 * p2ps_instance - P2PS Application Service Info
380 struct wpabuf *p2ps_instance;
383 enum p2p_prov_disc_status {
384 P2P_PROV_DISC_SUCCESS,
385 P2P_PROV_DISC_TIMEOUT,
386 P2P_PROV_DISC_REJECTED,
387 P2P_PROV_DISC_TIMEOUT_JOIN,
388 P2P_PROV_DISC_INFO_UNAVAILABLE,
397 * struct p2p_config - P2P configuration
399 * This configuration is provided to the P2P module during initialization with
404 * country - Country code to use in P2P operations
409 * reg_class - Regulatory class for own listen channel
414 * channel - Own listen channel
419 * channel_forced - the listen channel was forced by configuration
420 * or by control interface and cannot be overridden
425 * Regulatory class for own operational channel
430 * op_channel - Own operational channel
435 * cfg_op_channel - Whether op_channel is hardcoded in configuration
440 * channels - Own supported regulatory classes and channels
442 * List of supposerted channels per regulatory class. The regulatory
443 * classes are defined in IEEE Std 802.11-2007 Annex J and the
444 * numbering of the clases depends on the configured country code.
446 struct p2p_channels channels;
449 * cli_channels - Additional client channels
451 * This list of channels (if any) will be used when advertising local
452 * channels during GO Negotiation or Invitation for the cases where the
453 * local end may become the client. This may allow the peer to become a
454 * GO on additional channels if it supports these options. The main use
455 * case for this is to include passive-scan channels on devices that may
456 * not know their current location and have configured most channels to
457 * not allow initiation of radition (i.e., another device needs to take
458 * master responsibilities).
460 struct p2p_channels cli_channels;
463 * num_pref_chan - Number of pref_chan entries
465 unsigned int num_pref_chan;
468 * pref_chan - Preferred channels for GO Negotiation
470 struct p2p_channel *pref_chan;
473 * pri_dev_type - Primary Device Type (see WPS)
478 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types
480 #define P2P_SEC_DEVICE_TYPES 5
483 * sec_dev_type - Optional secondary device types
485 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
488 * num_sec_dev_types - Number of sec_dev_type entries
490 size_t num_sec_dev_types;
493 * dev_addr - P2P Device Address
495 u8 dev_addr[ETH_ALEN];
498 * dev_name - Device Name
511 * concurrent_operations - Whether concurrent operations are supported
513 int concurrent_operations;
516 * max_peers - Maximum number of discovered peers to remember
518 * If more peers are discovered, older entries will be removed to make
519 * room for the new ones.
524 * p2p_intra_bss - Intra BSS communication is supported
529 * ssid_postfix - Postfix data to add to the SSID
531 * This data will be added to the end of the SSID after the
532 * DIRECT-<random two octets> prefix.
534 u8 ssid_postfix[SSID_MAX_LEN - 9];
537 * ssid_postfix_len - Length of the ssid_postfix data
539 size_t ssid_postfix_len;
542 * max_listen - Maximum listen duration in ms
544 unsigned int max_listen;
547 * passphrase_len - Passphrase length (8..63)
549 * This parameter controls the length of the random passphrase that is
550 * generated at the GO.
552 unsigned int passphrase_len;
555 * cb_ctx - Context to use with callback functions
560 * debug_print - Debug print
561 * @ctx: Callback context from cb_ctx
562 * @level: Debug verbosity level (MSG_*)
563 * @msg: Debug message
565 void (*debug_print)(void *ctx, int level, const char *msg);
568 /* Callbacks to request lower layer driver operations */
571 * p2p_scan - Request a P2P scan/search
572 * @ctx: Callback context from cb_ctx
574 * @freq: Specific frequency (MHz) to scan or 0 for no restriction
575 * @num_req_dev_types: Number of requested device types
576 * @req_dev_types: Array containing requested device types
577 * @dev_id: Device ID to search for or %NULL to find all devices
578 * @pw_id: Device Password ID
579 * Returns: 0 on success, -1 on failure
581 * This callback function is used to request a P2P scan or search
582 * operation to be completed. Type type argument specifies which type
583 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the
584 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL
585 * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC
586 * request a scan of a single channel specified by freq.
587 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels
588 * plus one extra channel specified by freq.
590 * The full scan is used for the initial scan to find group owners from
591 * all. The other types are used during search phase scan of the social
592 * channels (with potential variation if the Listen channel of the
593 * target peer is known or if other channels are scanned in steps).
595 * The scan results are returned after this call by calling
596 * p2p_scan_res_handler() for each scan result that has a P2P IE and
597 * then calling p2p_scan_res_handled() to indicate that all scan
598 * results have been indicated.
600 int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq,
601 unsigned int num_req_dev_types,
602 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id);
605 * send_probe_resp - Transmit a Probe Response frame
606 * @ctx: Callback context from cb_ctx
607 * @buf: Probe Response frame (including the header and body)
608 * @freq: Forced frequency (in MHz) to use or 0.
609 * Returns: 0 on success, -1 on failure
611 * This function is used to reply to Probe Request frames that were
612 * indicated with a call to p2p_probe_req_rx(). The response is to be
613 * sent on the same channel, unless otherwise specified, or to be
614 * dropped if the driver is not listening to Probe Request frames
617 * Alternatively, the responsibility for building the Probe Response
618 * frames in Listen state may be in another system component in which
619 * case this function need to be implemented (i.e., the function
620 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe
621 * Response frames in such a case are available from the
622 * start_listen() callback. It should be noted that the received Probe
623 * Request frames must be indicated by calling p2p_probe_req_rx() even
624 * if this send_probe_resp() is not used.
626 int (*send_probe_resp)(void *ctx, const struct wpabuf *buf,
630 * send_action - Transmit an Action frame
631 * @ctx: Callback context from cb_ctx
632 * @freq: Frequency in MHz for the channel on which to transmit
633 * @dst: Destination MAC address (Address 1)
634 * @src: Source MAC address (Address 2)
635 * @bssid: BSSID (Address 3)
636 * @buf: Frame body (starting from Category field)
637 * @len: Length of buf in octets
638 * @wait_time: How many msec to wait for a response frame
639 * Returns: 0 on success, -1 on failure
641 * The Action frame may not be transmitted immediately and the status
642 * of the transmission must be reported by calling
643 * p2p_send_action_cb() once the frame has either been transmitted or
644 * it has been dropped due to excessive retries or other failure to
647 int (*send_action)(void *ctx, unsigned int freq, const u8 *dst,
648 const u8 *src, const u8 *bssid, const u8 *buf,
649 size_t len, unsigned int wait_time);
652 * send_action_done - Notify that Action frame sequence was completed
653 * @ctx: Callback context from cb_ctx
655 * This function is called when the Action frame sequence that was
656 * started with send_action() has been completed, i.e., when there is
657 * no need to wait for a response from the destination peer anymore.
659 void (*send_action_done)(void *ctx);
662 * start_listen - Start Listen state
663 * @ctx: Callback context from cb_ctx
664 * @freq: Frequency of the listen channel in MHz
665 * @duration: Duration for the Listen state in milliseconds
666 * @probe_resp_ie: IE(s) to be added to Probe Response frames
667 * Returns: 0 on success, -1 on failure
669 * This Listen state may not start immediately since the driver may
670 * have other pending operations to complete first. Once the Listen
671 * state has started, p2p_listen_cb() must be called to notify the P2P
672 * module. Once the Listen state is stopped, p2p_listen_end() must be
673 * called to notify the P2P module that the driver is not in the Listen
676 * If the send_probe_resp() is not used for generating the response,
677 * the IEs from probe_resp_ie need to be added to the end of the Probe
678 * Response frame body. If send_probe_resp() is used, the probe_resp_ie
679 * information can be ignored.
681 int (*start_listen)(void *ctx, unsigned int freq,
682 unsigned int duration,
683 const struct wpabuf *probe_resp_ie);
685 * stop_listen - Stop Listen state
686 * @ctx: Callback context from cb_ctx
688 * This callback can be used to stop a Listen state operation that was
689 * previously requested with start_listen().
691 void (*stop_listen)(void *ctx);
694 * get_noa - Get current Notice of Absence attribute payload
695 * @ctx: Callback context from cb_ctx
696 * @interface_addr: P2P Interface Address of the GO
697 * @buf: Buffer for returning NoA
698 * @buf_len: Buffer length in octets
699 * Returns: Number of octets used in buf, 0 to indicate no NoA is being
700 * advertized, or -1 on failure
702 * This function is used to fetch the current Notice of Absence
703 * attribute value from GO.
705 int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf,
708 /* Callbacks to notify events to upper layer management entity */
711 * dev_found - Notification of a found P2P Device
712 * @ctx: Callback context from cb_ctx
713 * @addr: Source address of the message triggering this notification
714 * @info: P2P peer information
715 * @new_device: Inform if the peer is newly found
717 * This callback is used to notify that a new P2P Device has been
718 * found. This may happen, e.g., during Search state based on scan
719 * results or during Listen state based on receive Probe Request and
720 * Group Owner Negotiation Request.
722 void (*dev_found)(void *ctx, const u8 *addr,
723 const struct p2p_peer_info *info,
727 * dev_lost - Notification of a lost P2P Device
728 * @ctx: Callback context from cb_ctx
729 * @dev_addr: P2P Device Address of the lost P2P Device
731 * This callback is used to notify that a P2P Device has been deleted.
733 void (*dev_lost)(void *ctx, const u8 *dev_addr);
736 * find_stopped - Notification of a p2p_find operation stopping
737 * @ctx: Callback context from cb_ctx
739 void (*find_stopped)(void *ctx);
742 * go_neg_req_rx - Notification of a receive GO Negotiation Request
743 * @ctx: Callback context from cb_ctx
744 * @src: Source address of the message triggering this notification
745 * @dev_passwd_id: WPS Device Password ID
746 * @go_intent: Peer's GO Intent
748 * This callback is used to notify that a P2P Device is requesting
749 * group owner negotiation with us, but we do not have all the
750 * necessary information to start GO Negotiation. This indicates that
751 * the local user has not authorized the connection yet by providing a
752 * PIN or PBC button press. This information can be provided with a
753 * call to p2p_connect().
755 void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id,
759 * go_neg_completed - Notification of GO Negotiation results
760 * @ctx: Callback context from cb_ctx
761 * @res: GO Negotiation results
763 * This callback is used to notify that Group Owner Negotiation has
764 * been completed. Non-zero struct p2p_go_neg_results::status indicates
765 * failed negotiation. In case of success, this function is responsible
766 * for creating a new group interface (or using the existing interface
767 * depending on driver features), setting up the group interface in
768 * proper mode based on struct p2p_go_neg_results::role_go and
769 * initializing WPS provisioning either as a Registrar (if GO) or as an
770 * Enrollee. Successful WPS provisioning must be indicated by calling
771 * p2p_wps_success_cb(). The callee is responsible for timing out group
772 * formation if WPS provisioning cannot be completed successfully
775 void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res);
778 * sd_request - Callback on Service Discovery Request
779 * @ctx: Callback context from cb_ctx
780 * @freq: Frequency (in MHz) of the channel
781 * @sa: Source address of the request
782 * @dialog_token: Dialog token
783 * @update_indic: Service Update Indicator from the source of request
784 * @tlvs: P2P Service Request TLV(s)
785 * @tlvs_len: Length of tlvs buffer in octets
787 * This callback is used to indicate reception of a service discovery
788 * request. Response to the query must be indicated by calling
789 * p2p_sd_response() with the context information from the arguments to
790 * this callback function.
792 * This callback handler can be set to %NULL to indicate that service
793 * discovery is not supported.
795 void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token,
796 u16 update_indic, const u8 *tlvs, size_t tlvs_len);
799 * sd_response - Callback on Service Discovery Response
800 * @ctx: Callback context from cb_ctx
801 * @sa: Source address of the request
802 * @update_indic: Service Update Indicator from the source of response
803 * @tlvs: P2P Service Response TLV(s)
804 * @tlvs_len: Length of tlvs buffer in octets
806 * This callback is used to indicate reception of a service discovery
807 * response. This callback handler can be set to %NULL if no service
808 * discovery requests are used. The information provided with this call
809 * is replies to the queries scheduled with p2p_sd_request().
811 void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic,
812 const u8 *tlvs, size_t tlvs_len);
815 * prov_disc_req - Callback on Provisiong Discovery Request
816 * @ctx: Callback context from cb_ctx
817 * @peer: Source address of the request
818 * @config_methods: Requested WPS Config Method
819 * @dev_addr: P2P Device Address of the found P2P Device
820 * @pri_dev_type: Primary Device Type
821 * @dev_name: Device Name
822 * @supp_config_methods: Supported configuration Methods
823 * @dev_capab: Device Capabilities
824 * @group_capab: Group Capabilities
825 * @group_id: P2P Group ID (or %NULL if not included)
826 * @group_id_len: Length of P2P Group ID
828 * This callback is used to indicate reception of a Provision Discovery
829 * Request frame that the P2P module accepted.
831 void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods,
832 const u8 *dev_addr, const u8 *pri_dev_type,
833 const char *dev_name, u16 supp_config_methods,
834 u8 dev_capab, u8 group_capab,
835 const u8 *group_id, size_t group_id_len);
838 * prov_disc_resp - Callback on Provisiong Discovery Response
839 * @ctx: Callback context from cb_ctx
840 * @peer: Source address of the response
841 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure
843 * This callback is used to indicate reception of a Provision Discovery
844 * Response frame for a pending request scheduled with
845 * p2p_prov_disc_req(). This callback handler can be set to %NULL if
846 * provision discovery is not used.
848 void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods);
851 * prov_disc_fail - Callback on Provision Discovery failure
852 * @ctx: Callback context from cb_ctx
853 * @peer: Source address of the response
854 * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS
855 * @adv_id: If non-zero, then the adv_id of the PD Request
856 * @adv_mac: P2P Device Address of the advertizer
857 * @deferred_session_resp: Deferred session response sent by advertizer
859 * This callback is used to indicate either a failure or no response
860 * to an earlier provision discovery request.
862 * This callback handler can be set to %NULL if provision discovery
863 * is not used or failures do not need to be indicated.
865 void (*prov_disc_fail)(void *ctx, const u8 *peer,
866 enum p2p_prov_disc_status status,
867 u32 adv_id, const u8 *adv_mac,
868 const char *deferred_session_resp);
871 * invitation_process - Optional callback for processing Invitations
872 * @ctx: Callback context from cb_ctx
873 * @sa: Source address of the Invitation Request
874 * @bssid: P2P Group BSSID from the request or %NULL if not included
875 * @go_dev_addr: GO Device Address from P2P Group ID
876 * @ssid: SSID from P2P Group ID
877 * @ssid_len: Length of ssid buffer in octets
878 * @go: Variable for returning whether the local end is GO in the group
879 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO)
880 * @force_freq: Variable for returning forced frequency for the group
881 * @persistent_group: Whether this is an invitation to reinvoke a
882 * persistent group (instead of invitation to join an active
884 * @channels: Available operating channels for the group
885 * @dev_pw_id: Device Password ID for NFC static handover or -1 if not
887 * Returns: Status code (P2P_SC_*)
889 * This optional callback can be used to implement persistent reconnect
890 * by allowing automatic restarting of persistent groups without user
891 * interaction. If this callback is not implemented (i.e., is %NULL),
892 * the received Invitation Request frames are replied with
893 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the
894 * invitation_result() callback.
896 * If the requested parameters are acceptable and the group is known,
897 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown,
898 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED
899 * can be returned if there is not enough data to provide immediate
900 * response, i.e., if some sort of user interaction is needed. The
901 * invitation_received() callback will be called in that case
902 * immediately after this call.
904 u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid,
905 const u8 *go_dev_addr, const u8 *ssid,
906 size_t ssid_len, int *go, u8 *group_bssid,
907 int *force_freq, int persistent_group,
908 const struct p2p_channels *channels,
912 * invitation_received - Callback on Invitation Request RX
913 * @ctx: Callback context from cb_ctx
914 * @sa: Source address of the Invitation Request
915 * @bssid: P2P Group BSSID or %NULL if not received
916 * @ssid: SSID of the group
917 * @ssid_len: Length of ssid in octets
918 * @go_dev_addr: GO Device Address
919 * @status: Response Status
920 * @op_freq: Operational frequency for the group
922 * This callback is used to indicate sending of an Invitation Response
923 * for a received Invitation Request. If status == 0 (success), the
924 * upper layer code is responsible for starting the group. status == 1
925 * indicates need to get user authorization for the group. Other status
926 * values indicate that the invitation request was rejected.
928 void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid,
929 const u8 *ssid, size_t ssid_len,
930 const u8 *go_dev_addr, u8 status,
934 * invitation_result - Callback on Invitation result
935 * @ctx: Callback context from cb_ctx
936 * @status: Negotiation result (Status Code)
937 * @bssid: P2P Group BSSID or %NULL if not received
938 * @channels: Available operating channels for the group
939 * @addr: Peer address
940 * @freq: Frequency (in MHz) indicated during invitation or 0
941 * @peer_oper_freq: Operating frequency (in MHz) advertized by the peer
942 * during invitation or 0
944 * This callback is used to indicate result of an Invitation procedure
945 * started with a call to p2p_invite(). The indicated status code is
946 * the value received from the peer in Invitation Response with 0
947 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a
948 * local failure in transmitting the Invitation Request.
950 void (*invitation_result)(void *ctx, int status, const u8 *bssid,
951 const struct p2p_channels *channels,
952 const u8 *addr, int freq, int peer_oper_freq);
955 * go_connected - Check whether we are connected to a GO
956 * @ctx: Callback context from cb_ctx
957 * @dev_addr: P2P Device Address of a GO
958 * Returns: 1 if we are connected as a P2P client to the specified GO
961 int (*go_connected)(void *ctx, const u8 *dev_addr);
964 * presence_resp - Callback on Presence Response
965 * @ctx: Callback context from cb_ctx
966 * @src: Source address (GO's P2P Interface Address)
967 * @status: Result of the request (P2P_SC_*)
968 * @noa: Returned NoA value
969 * @noa_len: Length of the NoA buffer in octets
971 void (*presence_resp)(void *ctx, const u8 *src, u8 status,
972 const u8 *noa, size_t noa_len);
975 * is_concurrent_session_active - Check whether concurrent session is
976 * active on other virtual interfaces
977 * @ctx: Callback context from cb_ctx
978 * Returns: 1 if concurrent session is active on other virtual interface
981 int (*is_concurrent_session_active)(void *ctx);
984 * is_p2p_in_progress - Check whether P2P operation is in progress
985 * @ctx: Callback context from cb_ctx
986 * Returns: 1 if P2P operation (e.g., group formation) is in progress
989 int (*is_p2p_in_progress)(void *ctx);
992 * Determine if we have a persistent group we share with remote peer
993 * and allocate interface for this group if needed
994 * @ctx: Callback context from cb_ctx
995 * @addr: Peer device address to search for
996 * @ssid: Persistent group SSID or %NULL if any
997 * @ssid_len: Length of @ssid
998 * @go_dev_addr: Buffer for returning GO P2P Device Address
999 * @ret_ssid: Buffer for returning group SSID
1000 * @ret_ssid_len: Buffer for returning length of @ssid
1001 * @intended_iface_addr: Buffer for returning intended iface address
1002 * Returns: 1 if a matching persistent group was found, 0 otherwise
1004 int (*get_persistent_group)(void *ctx, const u8 *addr, const u8 *ssid,
1005 size_t ssid_len, u8 *go_dev_addr,
1006 u8 *ret_ssid, size_t *ret_ssid_len,
1007 u8 *intended_iface_addr);
1010 * Get information about a possible local GO role
1011 * @ctx: Callback context from cb_ctx
1012 * @intended_addr: Buffer for returning intended GO interface address
1013 * @ssid: Buffer for returning group SSID
1014 * @ssid_len: Buffer for returning length of @ssid
1015 * @group_iface: Buffer for returning whether a separate group interface
1017 * Returns: 1 if GO info found, 0 otherwise
1019 * This is used to compose New Group settings (SSID, and intended
1020 * address) during P2PS provisioning if results of provisioning *might*
1021 * result in our being an autonomous GO.
1023 int (*get_go_info)(void *ctx, u8 *intended_addr,
1024 u8 *ssid, size_t *ssid_len, int *group_iface);
1027 * remove_stale_groups - Remove stale P2PS groups
1029 * Because P2PS stages *potential* GOs, and remote devices can remove
1030 * credentials unilaterally, we need to make sure we don't let stale
1031 * unusable groups build up.
1033 int (*remove_stale_groups)(void *ctx, const u8 *peer, const u8 *go,
1034 const u8 *ssid, size_t ssid_len);
1037 * p2ps_prov_complete - P2PS provisioning complete
1039 * When P2PS provisioning completes (successfully or not) we must
1040 * transmit all of the results to the upper layers.
1042 void (*p2ps_prov_complete)(void *ctx, u8 status, const u8 *dev,
1043 const u8 *adv_mac, const u8 *ses_mac,
1044 const u8 *grp_mac, u32 adv_id, u32 ses_id,
1045 u8 conncap, int passwd_id,
1046 const u8 *persist_ssid,
1047 size_t persist_ssid_size, int response_done,
1048 int prov_start, const char *session_info);
1051 * prov_disc_resp_cb - Callback for indicating completion of PD Response
1052 * @ctx: Callback context from cb_ctx
1053 * Returns: 1 if operation was started, 0 otherwise
1055 * This callback can be used to perform any pending actions after
1056 * provisioning. It is mainly used for P2PS pending group creation.
1058 int (*prov_disc_resp_cb)(void *ctx);
1061 * p2ps_group_capability - Determine group capability
1063 * This function can be used to determine group capability based on
1064 * information from P2PS PD exchange and the current state of ongoing
1065 * groups and driver capabilities.
1067 * P2PS_SETUP_* bitmap is used as the parameters and return value.
1069 u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role);
1073 /* P2P module initialization/deinitialization */
1076 * p2p_init - Initialize P2P module
1077 * @cfg: P2P module configuration
1078 * Returns: Pointer to private data or %NULL on failure
1080 * This function is used to initialize global P2P module context (one per
1081 * device). The P2P module will keep a copy of the configuration data, so the
1082 * caller does not need to maintain this structure. However, the callback
1083 * functions and the context parameters to them must be kept available until
1084 * the P2P module is deinitialized with p2p_deinit().
1086 struct p2p_data * p2p_init(const struct p2p_config *cfg);
1089 * p2p_deinit - Deinitialize P2P module
1090 * @p2p: P2P module context from p2p_init()
1092 void p2p_deinit(struct p2p_data *p2p);
1095 * p2p_flush - Flush P2P module state
1096 * @p2p: P2P module context from p2p_init()
1098 * This command removes the P2P module state like peer device entries.
1100 void p2p_flush(struct p2p_data *p2p);
1103 * p2p_unauthorize - Unauthorize the specified peer device
1104 * @p2p: P2P module context from p2p_init()
1105 * @addr: P2P peer entry to be unauthorized
1106 * Returns: 0 on success, -1 on failure
1108 * This command removes any connection authorization from the specified P2P
1109 * peer device address. This can be used, e.g., to cancel effect of a previous
1110 * p2p_authorize() or p2p_connect() call that has not yet resulted in completed
1113 int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr);
1116 * p2p_set_dev_name - Set device name
1117 * @p2p: P2P module context from p2p_init()
1118 * Returns: 0 on success, -1 on failure
1120 * This function can be used to update the P2P module configuration with
1121 * information that was not available at the time of the p2p_init() call.
1123 int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name);
1125 int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer);
1126 int p2p_set_model_name(struct p2p_data *p2p, const char *model_name);
1127 int p2p_set_model_number(struct p2p_data *p2p, const char *model_number);
1128 int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number);
1130 void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods);
1131 void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid);
1134 * p2p_set_pri_dev_type - Set primary device type
1135 * @p2p: P2P module context from p2p_init()
1136 * Returns: 0 on success, -1 on failure
1138 * This function can be used to update the P2P module configuration with
1139 * information that was not available at the time of the p2p_init() call.
1141 int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type);
1144 * p2p_set_sec_dev_types - Set secondary device types
1145 * @p2p: P2P module context from p2p_init()
1146 * Returns: 0 on success, -1 on failure
1148 * This function can be used to update the P2P module configuration with
1149 * information that was not available at the time of the p2p_init() call.
1151 int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
1152 size_t num_dev_types);
1154 int p2p_set_country(struct p2p_data *p2p, const char *country);
1157 /* Commands from upper layer management entity */
1159 enum p2p_discovery_type {
1160 P2P_FIND_START_WITH_FULL,
1161 P2P_FIND_ONLY_SOCIAL,
1162 P2P_FIND_PROGRESSIVE
1166 * p2p_find - Start P2P Find (Device Discovery)
1167 * @p2p: P2P module context from p2p_init()
1168 * @timeout: Timeout for find operation in seconds or 0 for no timeout
1169 * @type: Device Discovery type
1170 * @num_req_dev_types: Number of requested device types
1171 * @req_dev_types: Requested device types array, must be an array
1172 * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no
1173 * requested device types.
1174 * @dev_id: Device ID to search for or %NULL to find all devices
1175 * @search_delay: Extra delay in milliseconds between search iterations
1176 * @seek_count: Number of ASP Service Strings in the seek_string array
1177 * @seek_string: ASP Service Strings to query for in Probe Requests
1178 * @freq: Requested first scan frequency (in MHz) to modify type ==
1179 * P2P_FIND_START_WITH_FULL behavior. 0 = Use normal full scan.
1180 * If p2p_find is already in progress, this parameter is ignored and full
1181 * scan will be executed.
1182 * Returns: 0 on success, -1 on failure
1184 int p2p_find(struct p2p_data *p2p, unsigned int timeout,
1185 enum p2p_discovery_type type,
1186 unsigned int num_req_dev_types, const u8 *req_dev_types,
1187 const u8 *dev_id, unsigned int search_delay,
1188 u8 seek_count, const char **seek_string, int freq);
1191 * p2p_notify_scan_trigger_status - Indicate scan trigger status
1192 * @p2p: P2P module context from p2p_init()
1193 * @status: 0 on success, -1 on failure
1195 void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status);
1198 * p2p_stop_find - Stop P2P Find (Device Discovery)
1199 * @p2p: P2P module context from p2p_init()
1201 void p2p_stop_find(struct p2p_data *p2p);
1204 * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq
1205 * @p2p: P2P module context from p2p_init()
1206 * @freq: Frequency in MHz for next operation
1208 * This is like p2p_stop_find(), but Listen state is not stopped if we are
1209 * already on the same frequency.
1211 void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq);
1214 * p2p_listen - Start P2P Listen state for specified duration
1215 * @p2p: P2P module context from p2p_init()
1216 * @timeout: Listen state duration in milliseconds
1217 * Returns: 0 on success, -1 on failure
1219 * This function can be used to request the P2P module to keep the device
1220 * discoverable on the listen channel for an extended set of time. At least in
1221 * its current form, this is mainly used for testing purposes and may not be of
1222 * much use for normal P2P operations.
1224 int p2p_listen(struct p2p_data *p2p, unsigned int timeout);
1227 * p2p_stop_listen - Stop P2P Listen
1228 * @p2p: P2P module context from p2p_init()
1230 void p2p_stop_listen(struct p2p_data *p2p);
1233 * p2p_connect - Start P2P group formation (GO negotiation)
1234 * @p2p: P2P module context from p2p_init()
1235 * @peer_addr: MAC address of the peer P2P client
1236 * @wps_method: WPS method to be used in provisioning
1237 * @go_intent: Local GO intent value (1..15)
1238 * @own_interface_addr: Intended interface address to use with the group
1239 * @force_freq: The only allowed channel frequency in MHz or 0
1240 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1241 * persistent group without persistent reconnect, 2 = persistent group with
1242 * persistent reconnect)
1243 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1245 * @force_ssid_len: Length of $force_ssid buffer
1246 * @pd_before_go_neg: Whether to send Provision Discovery prior to GO
1247 * Negotiation as an interoperability workaround when initiating group
1249 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1251 * Returns: 0 on success, -1 on failure
1253 int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
1254 enum p2p_wps_method wps_method,
1255 int go_intent, const u8 *own_interface_addr,
1256 unsigned int force_freq, int persistent_group,
1257 const u8 *force_ssid, size_t force_ssid_len,
1258 int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id);
1261 * p2p_authorize - Authorize P2P group formation (GO negotiation)
1262 * @p2p: P2P module context from p2p_init()
1263 * @peer_addr: MAC address of the peer P2P client
1264 * @wps_method: WPS method to be used in provisioning
1265 * @go_intent: Local GO intent value (1..15)
1266 * @own_interface_addr: Intended interface address to use with the group
1267 * @force_freq: The only allowed channel frequency in MHz or 0
1268 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1269 * persistent group without persistent reconnect, 2 = persistent group with
1270 * persistent reconnect)
1271 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1273 * @force_ssid_len: Length of $force_ssid buffer
1274 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1276 * Returns: 0 on success, -1 on failure
1278 * This is like p2p_connect(), but the actual group negotiation is not
1279 * initiated automatically, i.e., the other end is expected to do that.
1281 int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
1282 enum p2p_wps_method wps_method,
1283 int go_intent, const u8 *own_interface_addr,
1284 unsigned int force_freq, int persistent_group,
1285 const u8 *force_ssid, size_t force_ssid_len,
1286 unsigned int pref_freq, u16 oob_pw_id);
1289 * p2p_reject - Reject peer device (explicitly block connection attempts)
1290 * @p2p: P2P module context from p2p_init()
1291 * @peer_addr: MAC address of the peer P2P client
1292 * Returns: 0 on success, -1 on failure
1294 int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr);
1297 * p2p_prov_disc_req - Send Provision Discovery Request
1298 * @p2p: P2P module context from p2p_init()
1299 * @peer_addr: MAC address of the peer P2P client
1300 * @p2ps_prov: Provisioning info for P2PS
1301 * @config_methods: WPS Config Methods value (only one bit set)
1302 * @join: Whether this is used by a client joining an active group
1303 * @force_freq: Forced TX frequency for the frame (mainly for the join case)
1304 * @user_initiated_pd: Flag to indicate if initiated by user or not
1305 * Returns: 0 on success, -1 on failure
1307 * This function can be used to request a discovered P2P peer to display a PIN
1308 * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us
1309 * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame
1310 * is transmitted once immediately and if no response is received, the frame
1311 * will be sent again whenever the target device is discovered during device
1312 * dsicovery (start with a p2p_find() call). Response from the peer is
1313 * indicated with the p2p_config::prov_disc_resp() callback.
1315 int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
1316 struct p2ps_provision *p2ps_prov, u16 config_methods,
1317 int join, int force_freq,
1318 int user_initiated_pd);
1321 * p2p_sd_request - Schedule a service discovery query
1322 * @p2p: P2P module context from p2p_init()
1323 * @dst: Destination peer or %NULL to apply for all peers
1324 * @tlvs: P2P Service Query TLV(s)
1325 * Returns: Reference to the query or %NULL on failure
1327 * Response to the query is indicated with the p2p_config::sd_response()
1330 void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
1331 const struct wpabuf *tlvs);
1333 #ifdef CONFIG_WIFI_DISPLAY
1334 void * p2p_sd_request_wfd(struct p2p_data *p2p, const u8 *dst,
1335 const struct wpabuf *tlvs);
1336 #endif /* CONFIG_WIFI_DISPLAY */
1339 * p2p_sd_cancel_request - Cancel a pending service discovery query
1340 * @p2p: P2P module context from p2p_init()
1341 * @req: Query reference from p2p_sd_request()
1342 * Returns: 0 if request for cancelled; -1 if not found
1344 int p2p_sd_cancel_request(struct p2p_data *p2p, void *req);
1347 * p2p_sd_response - Send response to a service discovery query
1348 * @p2p: P2P module context from p2p_init()
1349 * @freq: Frequency from p2p_config::sd_request() callback
1350 * @dst: Destination address from p2p_config::sd_request() callback
1351 * @dialog_token: Dialog token from p2p_config::sd_request() callback
1352 * @resp_tlvs: P2P Service Response TLV(s)
1354 * This function is called as a response to the request indicated with
1355 * p2p_config::sd_request() callback.
1357 void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst,
1358 u8 dialog_token, const struct wpabuf *resp_tlvs);
1361 * p2p_sd_service_update - Indicate a change in local services
1362 * @p2p: P2P module context from p2p_init()
1364 * This function needs to be called whenever there is a change in availability
1365 * of the local services. This will increment the Service Update Indicator
1366 * value which will be used in SD Request and Response frames.
1368 void p2p_sd_service_update(struct p2p_data *p2p);
1371 enum p2p_invite_role {
1373 P2P_INVITE_ROLE_ACTIVE_GO,
1374 P2P_INVITE_ROLE_CLIENT
1378 * p2p_invite - Invite a P2P Device into a group
1379 * @p2p: P2P module context from p2p_init()
1380 * @peer: Device Address of the peer P2P Device
1381 * @role: Local role in the group
1382 * @bssid: Group BSSID or %NULL if not known
1384 * @ssid_len: Length of ssid in octets
1385 * @force_freq: The only allowed channel frequency in MHz or 0
1386 * @go_dev_addr: Forced GO Device Address or %NULL if none
1387 * @persistent_group: Whether this is to reinvoke a persistent group
1388 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1390 * @dev_pw_id: Device Password ID from OOB Device Password (NFC) static handover
1391 * case or -1 if not used
1392 * Returns: 0 on success, -1 on failure
1394 int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
1395 const u8 *bssid, const u8 *ssid, size_t ssid_len,
1396 unsigned int force_freq, const u8 *go_dev_addr,
1397 int persistent_group, unsigned int pref_freq, int dev_pw_id);
1400 * p2p_presence_req - Request GO presence
1401 * @p2p: P2P module context from p2p_init()
1402 * @go_interface_addr: GO P2P Interface Address
1403 * @own_interface_addr: Own P2P Interface Address for this group
1404 * @freq: Group operating frequence (in MHz)
1405 * @duration1: Preferred presence duration in microseconds
1406 * @interval1: Preferred presence interval in microseconds
1407 * @duration2: Acceptable presence duration in microseconds
1408 * @interval2: Acceptable presence interval in microseconds
1409 * Returns: 0 on success, -1 on failure
1411 * If both duration and interval values are zero, the parameter pair is not
1412 * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0).
1414 int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
1415 const u8 *own_interface_addr, unsigned int freq,
1416 u32 duration1, u32 interval1, u32 duration2,
1420 * p2p_ext_listen - Set Extended Listen Timing
1421 * @p2p: P2P module context from p2p_init()
1422 * @freq: Group operating frequence (in MHz)
1423 * @period: Availability period in milliseconds (1-65535; 0 to disable)
1424 * @interval: Availability interval in milliseconds (1-65535; 0 to disable)
1425 * Returns: 0 on success, -1 on failure
1427 * This function can be used to enable or disable (period = interval = 0)
1428 * Extended Listen Timing. When enabled, the P2P Device will become
1429 * discoverable (go into Listen State) every @interval milliseconds for at
1430 * least @period milliseconds.
1432 int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
1433 unsigned int interval);
1435 /* Event notifications from upper layer management operations */
1438 * p2p_wps_success_cb - Report successfully completed WPS provisioning
1439 * @p2p: P2P module context from p2p_init()
1440 * @mac_addr: Peer address
1442 * This function is used to report successfully completed WPS provisioning
1443 * during group formation in both GO/Registrar and client/Enrollee roles.
1445 void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr);
1448 * p2p_group_formation_failed - Report failed WPS provisioning
1449 * @p2p: P2P module context from p2p_init()
1451 * This function is used to report failed group formation. This can happen
1452 * either due to failed WPS provisioning or due to 15 second timeout during
1453 * the provisioning phase.
1455 void p2p_group_formation_failed(struct p2p_data *p2p);
1458 * p2p_get_provisioning_info - Get any stored provisioning info
1459 * @p2p: P2P module context from p2p_init()
1460 * @addr: Peer P2P Device Address
1461 * Returns: WPS provisioning information (WPS config method) or 0 if no
1462 * information is available
1464 * This function is used to retrieve stored WPS provisioning info for the given
1467 u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1470 * p2p_clear_provisioning_info - Clear any stored provisioning info
1471 * @p2p: P2P module context from p2p_init()
1472 * @iface_addr: Peer P2P Device Address
1474 * This function is used to clear stored WPS provisioning info for the given
1477 void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1480 /* Event notifications from lower layer driver operations */
1483 * enum p2p_probe_req_status
1485 * @P2P_PREQ_MALFORMED: frame was not well-formed
1486 * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored
1487 * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request
1488 * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed
1489 * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P
1491 enum p2p_probe_req_status {
1493 P2P_PREQ_NOT_LISTEN,
1495 P2P_PREQ_NOT_PROCESSED,
1500 * p2p_probe_req_rx - Report reception of a Probe Request frame
1501 * @p2p: P2P module context from p2p_init()
1502 * @addr: Source MAC address
1503 * @dst: Destination MAC address if available or %NULL
1504 * @bssid: BSSID if available or %NULL
1505 * @ie: Information elements from the Probe Request frame body
1506 * @ie_len: Length of ie buffer in octets
1507 * @rx_freq: Probe Request frame RX frequency
1508 * Returns: value indicating the type and status of the probe request
1510 enum p2p_probe_req_status
1511 p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
1512 const u8 *bssid, const u8 *ie, size_t ie_len,
1513 unsigned int rx_freq);
1516 * p2p_rx_action - Report received Action frame
1517 * @p2p: P2P module context from p2p_init()
1518 * @da: Destination address of the received Action frame
1519 * @sa: Source address of the received Action frame
1520 * @bssid: Address 3 of the received Action frame
1521 * @category: Category of the received Action frame
1522 * @data: Action frame body after the Category field
1523 * @len: Length of the data buffer in octets
1524 * @freq: Frequency (in MHz) on which the frame was received
1526 void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
1527 const u8 *bssid, u8 category,
1528 const u8 *data, size_t len, int freq);
1531 * p2p_scan_res_handler - Indicate a P2P scan results
1532 * @p2p: P2P module context from p2p_init()
1533 * @bssid: BSSID of the scan result
1534 * @freq: Frequency of the channel on which the device was found in MHz
1535 * @rx_time: Time when the result was received
1536 * @level: Signal level (signal strength of the received Beacon/Probe Response
1538 * @ies: Pointer to IEs from the scan result
1539 * @ies_len: Length of the ies buffer
1540 * Returns: 0 to continue or 1 to stop scan result indication
1542 * This function is called to indicate a scan result entry with P2P IE from a
1543 * scan requested with struct p2p_config::p2p_scan(). This can be called during
1544 * the actual scan process (i.e., whenever a new device is found) or as a
1545 * sequence of calls after the full scan has been completed. The former option
1546 * can result in optimized operations, but may not be supported by all
1547 * driver/firmware designs. The ies buffer need to include at least the P2P IE,
1548 * but it is recommended to include all IEs received from the device. The
1549 * caller does not need to check that the IEs contain a P2P IE before calling
1550 * this function since frames will be filtered internally if needed.
1552 * This function will return 1 if it wants to stop scan result iteration (and
1553 * scan in general if it is still in progress). This is used to allow faster
1554 * start of a pending operation, e.g., to start a pending GO negotiation.
1556 int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
1557 struct os_reltime *rx_time, int level, const u8 *ies,
1561 * p2p_scan_res_handled - Indicate end of scan results
1562 * @p2p: P2P module context from p2p_init()
1564 * This function is called to indicate that all P2P scan results from a scan
1565 * have been reported with zero or more calls to p2p_scan_res_handler(). This
1566 * function must be called as a response to successful
1567 * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler()
1568 * calls stopped iteration.
1570 void p2p_scan_res_handled(struct p2p_data *p2p);
1572 enum p2p_send_action_result {
1573 P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
1574 P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */,
1575 P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
1579 * p2p_send_action_cb - Notify TX status of an Action frame
1580 * @p2p: P2P module context from p2p_init()
1581 * @freq: Channel frequency in MHz
1582 * @dst: Destination MAC address (Address 1)
1583 * @src: Source MAC address (Address 2)
1584 * @bssid: BSSID (Address 3)
1585 * @result: Result of the transmission attempt
1587 * This function is used to indicate the result of an Action frame transmission
1588 * that was requested with struct p2p_config::send_action() callback.
1590 void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
1591 const u8 *src, const u8 *bssid,
1592 enum p2p_send_action_result result);
1595 * p2p_listen_cb - Indicate the start of a requested Listen state
1596 * @p2p: P2P module context from p2p_init()
1597 * @freq: Listen channel frequency in MHz
1598 * @duration: Duration for the Listen state in milliseconds
1600 * This function is used to indicate that a Listen state requested with
1601 * struct p2p_config::start_listen() callback has started.
1603 void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
1604 unsigned int duration);
1607 * p2p_listen_end - Indicate the end of a requested Listen state
1608 * @p2p: P2P module context from p2p_init()
1609 * @freq: Listen channel frequency in MHz
1610 * Returns: 0 if no operations were started, 1 if an operation was started
1612 * This function is used to indicate that a Listen state requested with
1613 * struct p2p_config::start_listen() callback has ended.
1615 int p2p_listen_end(struct p2p_data *p2p, unsigned int freq);
1617 void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1618 const u8 *ie, size_t ie_len);
1620 void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1621 const u8 *ie, size_t ie_len);
1624 /* Per-group P2P state for GO */
1629 * struct p2p_group_config - P2P group configuration
1631 * This configuration is provided to the P2P module during initialization of
1632 * the per-group information with p2p_group_init().
1634 struct p2p_group_config {
1636 * persistent_group - Whether the group is persistent
1637 * 0 = not a persistent group
1638 * 1 = persistent group without persistent reconnect
1639 * 2 = persistent group with persistent reconnect
1641 int persistent_group;
1644 * interface_addr - P2P Interface Address of the group
1646 u8 interface_addr[ETH_ALEN];
1649 * max_clients - Maximum number of clients in the group
1651 unsigned int max_clients;
1656 u8 ssid[SSID_MAX_LEN];
1659 * ssid_len - Length of SSID
1664 * freq - Operating channel of the group
1669 * cb_ctx - Context to use with callback functions
1674 * ie_update - Notification of IE update
1675 * @ctx: Callback context from cb_ctx
1676 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change
1677 * @proberesp_ies: P2P Ie for Probe Response frames
1679 * P2P module uses this callback function to notify whenever the P2P IE
1680 * in Beacon or Probe Response frames should be updated based on group
1683 * The callee is responsible for freeing the returned buffer(s) with
1686 void (*ie_update)(void *ctx, struct wpabuf *beacon_ies,
1687 struct wpabuf *proberesp_ies);
1690 * idle_update - Notification of changes in group idle state
1691 * @ctx: Callback context from cb_ctx
1692 * @idle: Whether the group is idle (no associated stations)
1694 void (*idle_update)(void *ctx, int idle);
1698 * p2p_group_init - Initialize P2P group
1699 * @p2p: P2P module context from p2p_init()
1700 * @config: P2P group configuration (will be freed by p2p_group_deinit())
1701 * Returns: Pointer to private data or %NULL on failure
1703 * This function is used to initialize per-group P2P module context. Currently,
1704 * this is only used to manage GO functionality and P2P clients do not need to
1705 * create an instance of this per-group information.
1707 struct p2p_group * p2p_group_init(struct p2p_data *p2p,
1708 struct p2p_group_config *config);
1711 * p2p_group_deinit - Deinitialize P2P group
1712 * @group: P2P group context from p2p_group_init()
1714 void p2p_group_deinit(struct p2p_group *group);
1717 * p2p_group_notif_assoc - Notification of P2P client association with GO
1718 * @group: P2P group context from p2p_group_init()
1719 * @addr: Interface address of the P2P client
1720 * @ie: IEs from the (Re)association Request frame
1721 * @len: Length of the ie buffer in octets
1722 * Returns: 0 on success, -1 on failure
1724 int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
1725 const u8 *ie, size_t len);
1728 * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response
1729 * @group: P2P group context from p2p_group_init()
1730 * @status: Status value (P2P_SC_SUCCESS if association succeeded)
1731 * Returns: P2P IE for (Re)association Response or %NULL on failure
1733 * The caller is responsible for freeing the returned buffer with
1736 struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status);
1739 * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO
1740 * @group: P2P group context from p2p_group_init()
1741 * @addr: Interface address of the P2P client
1743 void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr);
1746 * p2p_group_notif_formation_done - Notification of completed group formation
1747 * @group: P2P group context from p2p_group_init()
1749 void p2p_group_notif_formation_done(struct p2p_group *group);
1752 * p2p_group_notif_noa - Notification of NoA change
1753 * @group: P2P group context from p2p_group_init()
1754 * @noa: Notice of Absence attribute payload, %NULL if none
1755 * @noa_len: Length of noa buffer in octets
1756 * Returns: 0 on success, -1 on failure
1758 * Notify the P2P group management about a new NoA contents. This will be
1759 * inserted into the P2P IEs in Beacon and Probe Response frames with rest of
1760 * the group information.
1762 int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
1766 * p2p_group_match_dev_type - Match device types in group with requested type
1767 * @group: P2P group context from p2p_group_init()
1768 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
1769 * Returns: 1 on match, 0 on mismatch
1771 * This function can be used to match the Requested Device Type attribute in
1772 * WPS IE with the device types of a group member for deciding whether a GO
1773 * should reply to a Probe Request frame. Match will be reported if the WPS IE
1774 * is not requested any specific device type.
1776 int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps);
1779 * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id
1781 int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p);
1784 * p2p_group_go_discover - Send GO Discoverability Request to a group client
1785 * @group: P2P group context from p2p_group_init()
1786 * Returns: 0 on success (frame scheduled); -1 if client was not found
1788 int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
1789 const u8 *searching_dev, int rx_freq);
1792 /* Generic helper functions */
1795 * p2p_ie_text - Build text format description of P2P IE
1797 * @buf: Buffer for returning text
1798 * @end: Pointer to the end of the buf area
1799 * Returns: Number of octets written to the buffer or -1 on failure
1801 * This function can be used to parse P2P IE contents into text format
1802 * field=value lines.
1804 int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end);
1807 * p2p_scan_result_text - Build text format description of P2P IE
1808 * @ies: Information elements from scan results
1809 * @ies_len: ies buffer length in octets
1810 * @buf: Buffer for returning text
1811 * @end: Pointer to the end of the buf area
1812 * Returns: Number of octets written to the buffer or -1 on failure
1814 * This function can be used to parse P2P IE contents into text format
1815 * field=value lines.
1817 int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end);
1820 * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated
1823 * @dev_addr: Buffer for returning P2P Device Address
1824 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1826 int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr);
1829 * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s)
1830 * @ies: Information elements from scan results
1831 * @ies_len: ies buffer length in octets
1832 * @dev_addr: Buffer for returning P2P Device Address
1833 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1835 int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr);
1838 * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame
1839 * @p2p: P2P module context from p2p_init()
1841 * @buf: Buffer for writing the P2P IE
1842 * @len: Maximum buf length in octets
1843 * @p2p_group: Whether this is for association with a P2P GO
1844 * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none
1845 * Returns: Number of octets written into buf or -1 on failure
1847 int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
1848 size_t len, int p2p_group, struct wpabuf *p2p_ie);
1851 * p2p_scan_ie - Build P2P IE for Probe Request
1852 * @p2p: P2P module context from p2p_init()
1853 * @ies: Buffer for writing P2P IE
1854 * @dev_id: Device ID to search for or %NULL for any
1856 void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id);
1859 * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie
1860 * @p2p: P2P module context from p2p_init()
1861 * Returns: Number of octets that p2p_scan_ie() may add to the buffer
1863 size_t p2p_scan_ie_buf_len(struct p2p_data *p2p);
1866 * p2p_go_params - Generate random P2P group parameters
1867 * @p2p: P2P module context from p2p_init()
1868 * @params: Buffer for parameters
1869 * Returns: 0 on success, -1 on failure
1871 int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params);
1874 * p2p_get_group_capab - Get Group Capability from P2P IE data
1875 * @p2p_ie: P2P IE(s) contents
1876 * Returns: Group Capability
1878 u8 p2p_get_group_capab(const struct wpabuf *p2p_ie);
1881 * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection
1882 * @p2p_ie: P2P IE(s) contents
1883 * Returns: 0 if cross connection is allow, 1 if not
1885 int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie);
1888 * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data
1889 * @p2p_ie: P2P IE(s) contents
1890 * Returns: Pointer to P2P Device Address or %NULL if not included
1892 const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie);
1895 * p2p_get_peer_info - Get P2P peer information
1896 * @p2p: P2P module context from p2p_init()
1897 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
1898 * @next: Whether to select the peer entry following the one indicated by addr
1899 * Returns: Pointer to peer info or %NULL if not found
1901 const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p,
1902 const u8 *addr, int next);
1905 * p2p_get_peer_info_txt - Get internal P2P peer information in text format
1906 * @info: Pointer to P2P peer info from p2p_get_peer_info()
1907 * @buf: Buffer for returning text
1908 * @buflen: Maximum buffer length
1909 * Returns: Number of octets written to the buffer or -1 on failure
1911 * Note: This information is internal to the P2P module and subject to change.
1912 * As such, this should not really be used by external programs for purposes
1913 * other than debugging.
1915 int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
1916 char *buf, size_t buflen);
1919 * p2p_peer_known - Check whether P2P peer is known
1920 * @p2p: P2P module context from p2p_init()
1921 * @addr: P2P Device Address of the peer
1922 * Returns: 1 if the specified device is in the P2P peer table or 0 if not
1924 int p2p_peer_known(struct p2p_data *p2p, const u8 *addr);
1927 * p2p_set_client_discoverability - Set client discoverability capability
1928 * @p2p: P2P module context from p2p_init()
1929 * @enabled: Whether client discoverability will be enabled
1931 * This function can be used to disable (and re-enable) client discoverability.
1932 * This capability is enabled by default and should not be disabled in normal
1933 * use cases, i.e., this is mainly for testing purposes.
1935 void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled);
1938 * p2p_set_managed_oper - Set managed P2P Device operations capability
1939 * @p2p: P2P module context from p2p_init()
1940 * @enabled: Whether managed P2P Device operations will be enabled
1942 void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
1945 * p2p_config_get_random_social - Return a random social channel
1947 * @op_class: Selected operating class
1948 * @op_channel: Selected social channel
1949 * Returns: 0 on success, -1 on failure
1951 * This function is used before p2p_init is called. A random social channel
1952 * from supports bands 2.4 GHz (channels 1,6,11) and 60 GHz (channel 2) is
1953 * returned on success.
1955 int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class,
1958 int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel,
1961 u8 p2p_get_listen_channel(struct p2p_data *p2p);
1963 int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
1965 int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
1967 int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
1970 void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr);
1973 * p2p_set_cross_connect - Set cross connection capability
1974 * @p2p: P2P module context from p2p_init()
1975 * @enabled: Whether cross connection will be enabled
1977 void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
1979 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
1982 * p2p_set_intra_bss_dist - Set intra BSS distribution
1983 * @p2p: P2P module context from p2p_init()
1984 * @enabled: Whether intra BSS distribution will be enabled
1986 void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
1988 int p2p_channels_includes_freq(const struct p2p_channels *channels,
1991 int p2p_channels_to_freqs(const struct p2p_channels *channels,
1992 int *freq_list, unsigned int max_len);
1995 * p2p_supported_freq - Check whether channel is supported for P2P
1996 * @p2p: P2P module context from p2p_init()
1997 * @freq: Channel frequency in MHz
1998 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
2000 int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
2003 * p2p_supported_freq_go - Check whether channel is supported for P2P GO operation
2004 * @p2p: P2P module context from p2p_init()
2005 * @freq: Channel frequency in MHz
2006 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
2008 int p2p_supported_freq_go(struct p2p_data *p2p, unsigned int freq);
2011 * p2p_supported_freq_cli - Check whether channel is supported for P2P client operation
2012 * @p2p: P2P module context from p2p_init()
2013 * @freq: Channel frequency in MHz
2014 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
2016 int p2p_supported_freq_cli(struct p2p_data *p2p, unsigned int freq);
2019 * p2p_get_pref_freq - Get channel from preferred channel list
2020 * @p2p: P2P module context from p2p_init()
2021 * @channels: List of channels
2022 * Returns: Preferred channel
2024 unsigned int p2p_get_pref_freq(struct p2p_data *p2p,
2025 const struct p2p_channels *channels);
2027 void p2p_update_channel_list(struct p2p_data *p2p,
2028 const struct p2p_channels *chan,
2029 const struct p2p_channels *cli_chan);
2032 * p2p_set_best_channels - Update best channel information
2033 * @p2p: P2P module context from p2p_init()
2034 * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band
2035 * @freq_5: Frequency (MHz) of best channel in 5 GHz band
2036 * @freq_overall: Frequency (MHz) of best channel overall
2038 void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
2042 * p2p_set_own_freq_preference - Set own preference for channel
2043 * @p2p: P2P module context from p2p_init()
2044 * @freq: Frequency (MHz) of the preferred channel or 0 if no preference
2046 * This function can be used to set a preference on the operating channel based
2047 * on frequencies used on the other virtual interfaces that share the same
2048 * radio. If non-zero, this is used to try to avoid multi-channel concurrency.
2050 void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq);
2052 const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p);
2055 * p2p_get_group_num_members - Get number of members in group
2056 * @group: P2P group context from p2p_group_init()
2057 * Returns: Number of members in the group
2059 unsigned int p2p_get_group_num_members(struct p2p_group *group);
2062 * p2p_client_limit_reached - Check if client limit is reached
2063 * @group: P2P group context from p2p_group_init()
2064 * Returns: 1 if no of clients limit reached
2066 int p2p_client_limit_reached(struct p2p_group *group);
2069 * p2p_iterate_group_members - Iterate group members
2070 * @group: P2P group context from p2p_group_init()
2071 * @next: iteration pointer, must be a pointer to a void * that is set to %NULL
2072 * on the first call and not modified later
2073 * Returns: A P2P Device Address for each call and %NULL for no more members
2075 const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
2078 * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group
2079 * @group: P2P group context from p2p_group_init()
2080 * @addr: P2P Interface Address of the client
2081 * Returns: P2P Device Address of the client if found or %NULL if no match
2084 const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr);
2087 * p2p_group_is_client_connected - Check whether a specific client is connected
2088 * @group: P2P group context from p2p_group_init()
2089 * @addr: P2P Device Address of the client
2090 * Returns: 1 if client is connected or 0 if not
2092 int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr);
2095 * p2p_group_get_config - Get the group configuration
2096 * @group: P2P group context from p2p_group_init()
2097 * Returns: The group configuration pointer
2099 const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group);
2102 * p2p_loop_on_all_groups - Run the given callback on all groups
2103 * @p2p: P2P module context from p2p_init()
2104 * @group_callback: The callback function pointer
2105 * @user_data: Some user data pointer which can be %NULL
2107 * The group_callback function can stop the iteration by returning 0.
2109 void p2p_loop_on_all_groups(struct p2p_data *p2p,
2110 int (*group_callback)(struct p2p_group *group,
2115 * p2p_get_peer_found - Get P2P peer info structure of a found peer
2116 * @p2p: P2P module context from p2p_init()
2117 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
2118 * @next: Whether to select the peer entry following the one indicated by addr
2119 * Returns: The first P2P peer info available or %NULL if no such peer exists
2121 const struct p2p_peer_info *
2122 p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next);
2125 * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions
2126 * @p2p: P2P module context from p2p_init()
2128 void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p);
2131 * p2p_add_wps_vendor_extension - Add a WPS vendor extension
2132 * @p2p: P2P module context from p2p_init()
2133 * @vendor_ext: The vendor extensions to add
2134 * Returns: 0 on success, -1 on failure
2136 * The wpabuf structures in the array are owned by the P2P
2137 * module after this call.
2139 int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
2140 const struct wpabuf *vendor_ext);
2143 * p2p_set_oper_channel - Set the P2P operating channel
2144 * @p2p: P2P module context from p2p_init()
2145 * @op_reg_class: Operating regulatory class to set
2146 * @op_channel: operating channel to set
2147 * @cfg_op_channel : Whether op_channel is hardcoded in configuration
2148 * Returns: 0 on success, -1 on failure
2150 int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel,
2151 int cfg_op_channel);
2154 * p2p_set_pref_chan - Set P2P preferred channel list
2155 * @p2p: P2P module context from p2p_init()
2156 * @num_pref_chan: Number of entries in pref_chan list
2157 * @pref_chan: Preferred channels or %NULL to remove preferences
2158 * Returns: 0 on success, -1 on failure
2160 int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan,
2161 const struct p2p_channel *pref_chan);
2164 * p2p_set_no_go_freq - Set no GO channel ranges
2165 * @p2p: P2P module context from p2p_init()
2166 * @list: Channel ranges or %NULL to remove restriction
2167 * Returns: 0 on success, -1 on failure
2169 int p2p_set_no_go_freq(struct p2p_data *p2p,
2170 const struct wpa_freq_range_list *list);
2173 * p2p_in_progress - Check whether a P2P operation is progress
2174 * @p2p: P2P module context from p2p_init()
2175 * Returns: 0 if P2P module is idle, 1 if an operation is in progress but not
2176 * in search state, or 2 if search state operation is in progress
2178 int p2p_in_progress(struct p2p_data *p2p);
2180 const char * p2p_wps_method_text(enum p2p_wps_method method);
2183 * p2p_set_config_timeout - Set local config timeouts
2184 * @p2p: P2P module context from p2p_init()
2185 * @go_timeout: Time in 10 ms units it takes to start the GO mode
2186 * @client_timeout: Time in 10 ms units it takes to start the client mode
2188 void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout,
2191 int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie);
2192 int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie);
2193 int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie);
2194 int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie);
2195 int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie);
2196 int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie);
2197 int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie);
2198 int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie);
2199 int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem);
2200 int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem);
2201 int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p,
2202 const struct wpabuf *elem);
2203 struct wpabuf * wifi_display_encaps(struct wpabuf *subelems);
2206 * p2p_set_disc_int - Set min/max discoverable interval for p2p_find
2207 * @p2p: P2P module context from p2p_init()
2208 * @min_disc_int: minDiscoverableInterval (in units of 100 TU); default 1
2209 * @max_disc_int: maxDiscoverableInterval (in units of 100 TU); default 3
2210 * @max_disc_tu: Maximum number of TUs (1.024 ms) for discoverable interval; or
2212 * Returns: 0 on success, or -1 on failure
2214 * This function can be used to configure minDiscoverableInterval and
2215 * maxDiscoverableInterval parameters for the Listen state during device
2216 * discovery (p2p_find). A random number of 100 TU units is picked for each
2217 * Listen state iteration from [min_disc_int,max_disc_int] range.
2219 * max_disc_tu can be used to futher limit the discoverable duration. However,
2220 * it should be noted that use of this parameter is not recommended since it
2221 * would not be compliant with the P2P specification.
2223 int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int,
2227 * p2p_get_state_txt - Get current P2P state for debug purposes
2228 * @p2p: P2P module context from p2p_init()
2229 * Returns: Name of the current P2P module state
2231 * It should be noted that the P2P module state names are internal information
2232 * and subject to change at any point, i.e., this information should be used
2233 * mainly for debugging purposes.
2235 const char * p2p_get_state_txt(struct p2p_data *p2p);
2237 struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p,
2239 const u8 *go_dev_addr,
2240 const u8 *ssid, size_t ssid_len);
2241 struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p,
2243 const u8 *go_dev_addr,
2244 const u8 *ssid, size_t ssid_len);
2246 struct p2p_nfc_params {
2254 NO_ACTION, JOIN_GROUP, AUTH_JOIN, INIT_GO_NEG, RESP_GO_NEG,
2255 BOTH_GO, PEER_CLIENT
2257 struct p2p_peer_info *peer;
2258 u8 oob_dev_pw[WPS_OOB_PUBKEY_HASH_LEN + 2 +
2259 WPS_OOB_DEVICE_PASSWORD_LEN];
2260 size_t oob_dev_pw_len;
2262 u8 go_dev_addr[ETH_ALEN];
2263 u8 go_ssid[SSID_MAX_LEN];
2267 int p2p_process_nfc_connection_handover(struct p2p_data *p2p,
2268 struct p2p_nfc_params *params);
2270 void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id,
2272 const u8 *own_interface_addr);
2274 int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len);
2276 void p2p_loop_on_known_peers(struct p2p_data *p2p,
2277 void (*peer_callback)(struct p2p_peer_info *peer,
2281 void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem);
2283 void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr);
2285 struct p2ps_advertisement *
2286 p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id);
2287 int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
2288 const char *adv_str, u8 svc_state,
2289 u16 config_methods, const char *svc_info,
2290 const u8 *cpt_priority);
2291 int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id);
2292 void p2p_service_flush_asp(struct p2p_data *p2p);
2293 struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p);
2296 * p2p_expire_peers - Periodic cleanup function to expire peers
2297 * @p2p: P2P module context from p2p_init()
2299 * This is a cleanup function that the entity calling p2p_init() is
2300 * expected to call periodically to clean up expired peer entries.
2302 void p2p_expire_peers(struct p2p_data *p2p);