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 * info - Vendor defined extra Provisioning information
205 struct p2ps_advertisement {
206 struct p2ps_advertisement *next;
209 * svc_info - Pointer to (internal) Service defined information
214 * id - P2PS Advertisement ID
219 * config_methods - WPS Methods which are allowed for this service
224 * state - Current state of the service: 0 - Out Of Service, 1-255 Vendor defined
229 * auto_accept - Automatically Accept provisioning request if possible.
234 * hash - 6 octet Service Name has to match against incoming Probe Requests
236 u8 hash[P2PS_HASH_LEN];
239 * cpt_mask - supported Coordination Protocol Transport mask
241 * A bitwise mask of supported ASP Coordination Protocol Transports.
242 * This property is set together and corresponds with cpt_priority.
247 * cpt_priority - Coordination Protocol Transport priority list
249 * Priorities of supported ASP Coordinatin Protocol Transports.
250 * This property is set together and corresponds with cpt_mask.
251 * The CPT priority list is 0 terminated.
253 u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
256 * svc_name - NULL Terminated UTF-8 Service Name, and svc_info storage
268 P2P_SCAN_SOCIAL_PLUS_ONE
271 #define P2P_MAX_WPS_VENDOR_EXT 10
274 * struct p2p_peer_info - P2P peer information
276 struct p2p_peer_info {
278 * p2p_device_addr - P2P Device Address of the peer
280 u8 p2p_device_addr[ETH_ALEN];
283 * pri_dev_type - Primary Device Type
288 * device_name - Device Name (0..32 octets encoded in UTF-8)
290 char device_name[WPS_DEV_NAME_MAX_LEN + 1];
293 * manufacturer - Manufacturer (0..64 octets encoded in UTF-8)
295 char manufacturer[WPS_MANUFACTURER_MAX_LEN + 1];
298 * model_name - Model Name (0..32 octets encoded in UTF-8)
300 char model_name[WPS_MODEL_NAME_MAX_LEN + 1];
303 * model_number - Model Number (0..32 octets encoded in UTF-8)
305 char model_number[WPS_MODEL_NUMBER_MAX_LEN + 1];
308 * serial_number - Serial Number (0..32 octets encoded in UTF-8)
310 char serial_number[WPS_SERIAL_NUMBER_MAX_LEN + 1];
313 * level - Signal level
318 * config_methods - WPS Configuration Methods
323 * dev_capab - Device Capabilities
328 * group_capab - Group Capabilities
333 * wps_sec_dev_type_list - WPS secondary device type list
335 * This list includes from 0 to 16 Secondary Device Types as indicated
336 * by wps_sec_dev_type_list_len (8 * number of types).
338 u8 wps_sec_dev_type_list[WPS_SEC_DEV_TYPE_MAX_LEN];
341 * wps_sec_dev_type_list_len - Length of secondary device type list
343 size_t wps_sec_dev_type_list_len;
345 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
348 * wfd_subelems - Wi-Fi Display subelements from WFD IE(s)
350 struct wpabuf *wfd_subelems;
353 * vendor_elems - Unrecognized vendor elements
355 * This buffer includes any other vendor element than P2P, WPS, and WFD
356 * IE(s) from the frame that was used to discover the peer.
358 struct wpabuf *vendor_elems;
361 * p2ps_instance - P2PS Application Service Info
363 struct wpabuf *p2ps_instance;
366 enum p2p_prov_disc_status {
367 P2P_PROV_DISC_SUCCESS,
368 P2P_PROV_DISC_TIMEOUT,
369 P2P_PROV_DISC_REJECTED,
370 P2P_PROV_DISC_TIMEOUT_JOIN,
371 P2P_PROV_DISC_INFO_UNAVAILABLE,
380 * struct p2p_config - P2P configuration
382 * This configuration is provided to the P2P module during initialization with
387 * country - Country code to use in P2P operations
392 * reg_class - Regulatory class for own listen channel
397 * channel - Own listen channel
402 * channel_forced - the listen channel was forced by configuration
403 * or by control interface and cannot be overridden
408 * Regulatory class for own operational channel
413 * op_channel - Own operational channel
418 * cfg_op_channel - Whether op_channel is hardcoded in configuration
423 * channels - Own supported regulatory classes and channels
425 * List of supposerted channels per regulatory class. The regulatory
426 * classes are defined in IEEE Std 802.11-2007 Annex J and the
427 * numbering of the clases depends on the configured country code.
429 struct p2p_channels channels;
432 * cli_channels - Additional client channels
434 * This list of channels (if any) will be used when advertising local
435 * channels during GO Negotiation or Invitation for the cases where the
436 * local end may become the client. This may allow the peer to become a
437 * GO on additional channels if it supports these options. The main use
438 * case for this is to include passive-scan channels on devices that may
439 * not know their current location and have configured most channels to
440 * not allow initiation of radition (i.e., another device needs to take
441 * master responsibilities).
443 struct p2p_channels cli_channels;
446 * num_pref_chan - Number of pref_chan entries
448 unsigned int num_pref_chan;
451 * pref_chan - Preferred channels for GO Negotiation
453 struct p2p_channel *pref_chan;
456 * pri_dev_type - Primary Device Type (see WPS)
461 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types
463 #define P2P_SEC_DEVICE_TYPES 5
466 * sec_dev_type - Optional secondary device types
468 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
471 * num_sec_dev_types - Number of sec_dev_type entries
473 size_t num_sec_dev_types;
476 * dev_addr - P2P Device Address
478 u8 dev_addr[ETH_ALEN];
481 * dev_name - Device Name
494 * concurrent_operations - Whether concurrent operations are supported
496 int concurrent_operations;
499 * max_peers - Maximum number of discovered peers to remember
501 * If more peers are discovered, older entries will be removed to make
502 * room for the new ones.
507 * p2p_intra_bss - Intra BSS communication is supported
512 * ssid_postfix - Postfix data to add to the SSID
514 * This data will be added to the end of the SSID after the
515 * DIRECT-<random two octets> prefix.
517 u8 ssid_postfix[SSID_MAX_LEN - 9];
520 * ssid_postfix_len - Length of the ssid_postfix data
522 size_t ssid_postfix_len;
525 * max_listen - Maximum listen duration in ms
527 unsigned int max_listen;
530 * passphrase_len - Passphrase length (8..63)
532 * This parameter controls the length of the random passphrase that is
533 * generated at the GO.
535 unsigned int passphrase_len;
538 * cb_ctx - Context to use with callback functions
543 * debug_print - Debug print
544 * @ctx: Callback context from cb_ctx
545 * @level: Debug verbosity level (MSG_*)
546 * @msg: Debug message
548 void (*debug_print)(void *ctx, int level, const char *msg);
551 /* Callbacks to request lower layer driver operations */
554 * p2p_scan - Request a P2P scan/search
555 * @ctx: Callback context from cb_ctx
557 * @freq: Specific frequency (MHz) to scan or 0 for no restriction
558 * @num_req_dev_types: Number of requested device types
559 * @req_dev_types: Array containing requested device types
560 * @dev_id: Device ID to search for or %NULL to find all devices
561 * @pw_id: Device Password ID
562 * Returns: 0 on success, -1 on failure
564 * This callback function is used to request a P2P scan or search
565 * operation to be completed. Type type argument specifies which type
566 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the
567 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL
568 * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC
569 * request a scan of a single channel specified by freq.
570 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels
571 * plus one extra channel specified by freq.
573 * The full scan is used for the initial scan to find group owners from
574 * all. The other types are used during search phase scan of the social
575 * channels (with potential variation if the Listen channel of the
576 * target peer is known or if other channels are scanned in steps).
578 * The scan results are returned after this call by calling
579 * p2p_scan_res_handler() for each scan result that has a P2P IE and
580 * then calling p2p_scan_res_handled() to indicate that all scan
581 * results have been indicated.
583 int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq,
584 unsigned int num_req_dev_types,
585 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id);
588 * send_probe_resp - Transmit a Probe Response frame
589 * @ctx: Callback context from cb_ctx
590 * @buf: Probe Response frame (including the header and body)
591 * @freq: Forced frequency (in MHz) to use or 0.
592 * Returns: 0 on success, -1 on failure
594 * This function is used to reply to Probe Request frames that were
595 * indicated with a call to p2p_probe_req_rx(). The response is to be
596 * sent on the same channel, unless otherwise specified, or to be
597 * dropped if the driver is not listening to Probe Request frames
600 * Alternatively, the responsibility for building the Probe Response
601 * frames in Listen state may be in another system component in which
602 * case this function need to be implemented (i.e., the function
603 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe
604 * Response frames in such a case are available from the
605 * start_listen() callback. It should be noted that the received Probe
606 * Request frames must be indicated by calling p2p_probe_req_rx() even
607 * if this send_probe_resp() is not used.
609 int (*send_probe_resp)(void *ctx, const struct wpabuf *buf,
613 * send_action - Transmit an Action frame
614 * @ctx: Callback context from cb_ctx
615 * @freq: Frequency in MHz for the channel on which to transmit
616 * @dst: Destination MAC address (Address 1)
617 * @src: Source MAC address (Address 2)
618 * @bssid: BSSID (Address 3)
619 * @buf: Frame body (starting from Category field)
620 * @len: Length of buf in octets
621 * @wait_time: How many msec to wait for a response frame
622 * Returns: 0 on success, -1 on failure
624 * The Action frame may not be transmitted immediately and the status
625 * of the transmission must be reported by calling
626 * p2p_send_action_cb() once the frame has either been transmitted or
627 * it has been dropped due to excessive retries or other failure to
630 int (*send_action)(void *ctx, unsigned int freq, const u8 *dst,
631 const u8 *src, const u8 *bssid, const u8 *buf,
632 size_t len, unsigned int wait_time);
635 * send_action_done - Notify that Action frame sequence was completed
636 * @ctx: Callback context from cb_ctx
638 * This function is called when the Action frame sequence that was
639 * started with send_action() has been completed, i.e., when there is
640 * no need to wait for a response from the destination peer anymore.
642 void (*send_action_done)(void *ctx);
645 * start_listen - Start Listen state
646 * @ctx: Callback context from cb_ctx
647 * @freq: Frequency of the listen channel in MHz
648 * @duration: Duration for the Listen state in milliseconds
649 * @probe_resp_ie: IE(s) to be added to Probe Response frames
650 * Returns: 0 on success, -1 on failure
652 * This Listen state may not start immediately since the driver may
653 * have other pending operations to complete first. Once the Listen
654 * state has started, p2p_listen_cb() must be called to notify the P2P
655 * module. Once the Listen state is stopped, p2p_listen_end() must be
656 * called to notify the P2P module that the driver is not in the Listen
659 * If the send_probe_resp() is not used for generating the response,
660 * the IEs from probe_resp_ie need to be added to the end of the Probe
661 * Response frame body. If send_probe_resp() is used, the probe_resp_ie
662 * information can be ignored.
664 int (*start_listen)(void *ctx, unsigned int freq,
665 unsigned int duration,
666 const struct wpabuf *probe_resp_ie);
668 * stop_listen - Stop Listen state
669 * @ctx: Callback context from cb_ctx
671 * This callback can be used to stop a Listen state operation that was
672 * previously requested with start_listen().
674 void (*stop_listen)(void *ctx);
677 * get_noa - Get current Notice of Absence attribute payload
678 * @ctx: Callback context from cb_ctx
679 * @interface_addr: P2P Interface Address of the GO
680 * @buf: Buffer for returning NoA
681 * @buf_len: Buffer length in octets
682 * Returns: Number of octets used in buf, 0 to indicate no NoA is being
683 * advertized, or -1 on failure
685 * This function is used to fetch the current Notice of Absence
686 * attribute value from GO.
688 int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf,
691 /* Callbacks to notify events to upper layer management entity */
694 * dev_found - Notification of a found P2P Device
695 * @ctx: Callback context from cb_ctx
696 * @addr: Source address of the message triggering this notification
697 * @info: P2P peer information
698 * @new_device: Inform if the peer is newly found
700 * This callback is used to notify that a new P2P Device has been
701 * found. This may happen, e.g., during Search state based on scan
702 * results or during Listen state based on receive Probe Request and
703 * Group Owner Negotiation Request.
705 void (*dev_found)(void *ctx, const u8 *addr,
706 const struct p2p_peer_info *info,
710 * dev_lost - Notification of a lost P2P Device
711 * @ctx: Callback context from cb_ctx
712 * @dev_addr: P2P Device Address of the lost P2P Device
714 * This callback is used to notify that a P2P Device has been deleted.
716 void (*dev_lost)(void *ctx, const u8 *dev_addr);
719 * find_stopped - Notification of a p2p_find operation stopping
720 * @ctx: Callback context from cb_ctx
722 void (*find_stopped)(void *ctx);
725 * go_neg_req_rx - Notification of a receive GO Negotiation Request
726 * @ctx: Callback context from cb_ctx
727 * @src: Source address of the message triggering this notification
728 * @dev_passwd_id: WPS Device Password ID
729 * @go_intent: Peer's GO Intent
731 * This callback is used to notify that a P2P Device is requesting
732 * group owner negotiation with us, but we do not have all the
733 * necessary information to start GO Negotiation. This indicates that
734 * the local user has not authorized the connection yet by providing a
735 * PIN or PBC button press. This information can be provided with a
736 * call to p2p_connect().
738 void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id,
742 * go_neg_completed - Notification of GO Negotiation results
743 * @ctx: Callback context from cb_ctx
744 * @res: GO Negotiation results
746 * This callback is used to notify that Group Owner Negotiation has
747 * been completed. Non-zero struct p2p_go_neg_results::status indicates
748 * failed negotiation. In case of success, this function is responsible
749 * for creating a new group interface (or using the existing interface
750 * depending on driver features), setting up the group interface in
751 * proper mode based on struct p2p_go_neg_results::role_go and
752 * initializing WPS provisioning either as a Registrar (if GO) or as an
753 * Enrollee. Successful WPS provisioning must be indicated by calling
754 * p2p_wps_success_cb(). The callee is responsible for timing out group
755 * formation if WPS provisioning cannot be completed successfully
758 void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res);
761 * sd_request - Callback on Service Discovery Request
762 * @ctx: Callback context from cb_ctx
763 * @freq: Frequency (in MHz) of the channel
764 * @sa: Source address of the request
765 * @dialog_token: Dialog token
766 * @update_indic: Service Update Indicator from the source of request
767 * @tlvs: P2P Service Request TLV(s)
768 * @tlvs_len: Length of tlvs buffer in octets
770 * This callback is used to indicate reception of a service discovery
771 * request. Response to the query must be indicated by calling
772 * p2p_sd_response() with the context information from the arguments to
773 * this callback function.
775 * This callback handler can be set to %NULL to indicate that service
776 * discovery is not supported.
778 void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token,
779 u16 update_indic, const u8 *tlvs, size_t tlvs_len);
782 * sd_response - Callback on Service Discovery Response
783 * @ctx: Callback context from cb_ctx
784 * @sa: Source address of the request
785 * @update_indic: Service Update Indicator from the source of response
786 * @tlvs: P2P Service Response TLV(s)
787 * @tlvs_len: Length of tlvs buffer in octets
789 * This callback is used to indicate reception of a service discovery
790 * response. This callback handler can be set to %NULL if no service
791 * discovery requests are used. The information provided with this call
792 * is replies to the queries scheduled with p2p_sd_request().
794 void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic,
795 const u8 *tlvs, size_t tlvs_len);
798 * prov_disc_req - Callback on Provisiong Discovery Request
799 * @ctx: Callback context from cb_ctx
800 * @peer: Source address of the request
801 * @config_methods: Requested WPS Config Method
802 * @dev_addr: P2P Device Address of the found P2P Device
803 * @pri_dev_type: Primary Device Type
804 * @dev_name: Device Name
805 * @supp_config_methods: Supported configuration Methods
806 * @dev_capab: Device Capabilities
807 * @group_capab: Group Capabilities
808 * @group_id: P2P Group ID (or %NULL if not included)
809 * @group_id_len: Length of P2P Group ID
811 * This callback is used to indicate reception of a Provision Discovery
812 * Request frame that the P2P module accepted.
814 void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods,
815 const u8 *dev_addr, const u8 *pri_dev_type,
816 const char *dev_name, u16 supp_config_methods,
817 u8 dev_capab, u8 group_capab,
818 const u8 *group_id, size_t group_id_len);
821 * prov_disc_resp - Callback on Provisiong Discovery Response
822 * @ctx: Callback context from cb_ctx
823 * @peer: Source address of the response
824 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure
826 * This callback is used to indicate reception of a Provision Discovery
827 * Response frame for a pending request scheduled with
828 * p2p_prov_disc_req(). This callback handler can be set to %NULL if
829 * provision discovery is not used.
831 void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods);
834 * prov_disc_fail - Callback on Provision Discovery failure
835 * @ctx: Callback context from cb_ctx
836 * @peer: Source address of the response
837 * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS
838 * @adv_id: If non-zero, then the adv_id of the PD Request
839 * @adv_mac: P2P Device Address of the advertizer
840 * @deferred_session_resp: Deferred session response sent by advertizer
842 * This callback is used to indicate either a failure or no response
843 * to an earlier provision discovery request.
845 * This callback handler can be set to %NULL if provision discovery
846 * is not used or failures do not need to be indicated.
848 void (*prov_disc_fail)(void *ctx, const u8 *peer,
849 enum p2p_prov_disc_status status,
850 u32 adv_id, const u8 *adv_mac,
851 const char *deferred_session_resp);
854 * invitation_process - Optional callback for processing Invitations
855 * @ctx: Callback context from cb_ctx
856 * @sa: Source address of the Invitation Request
857 * @bssid: P2P Group BSSID from the request or %NULL if not included
858 * @go_dev_addr: GO Device Address from P2P Group ID
859 * @ssid: SSID from P2P Group ID
860 * @ssid_len: Length of ssid buffer in octets
861 * @go: Variable for returning whether the local end is GO in the group
862 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO)
863 * @force_freq: Variable for returning forced frequency for the group
864 * @persistent_group: Whether this is an invitation to reinvoke a
865 * persistent group (instead of invitation to join an active
867 * @channels: Available operating channels for the group
868 * @dev_pw_id: Device Password ID for NFC static handover or -1 if not
870 * Returns: Status code (P2P_SC_*)
872 * This optional callback can be used to implement persistent reconnect
873 * by allowing automatic restarting of persistent groups without user
874 * interaction. If this callback is not implemented (i.e., is %NULL),
875 * the received Invitation Request frames are replied with
876 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the
877 * invitation_result() callback.
879 * If the requested parameters are acceptable and the group is known,
880 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown,
881 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED
882 * can be returned if there is not enough data to provide immediate
883 * response, i.e., if some sort of user interaction is needed. The
884 * invitation_received() callback will be called in that case
885 * immediately after this call.
887 u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid,
888 const u8 *go_dev_addr, const u8 *ssid,
889 size_t ssid_len, int *go, u8 *group_bssid,
890 int *force_freq, int persistent_group,
891 const struct p2p_channels *channels,
895 * invitation_received - Callback on Invitation Request RX
896 * @ctx: Callback context from cb_ctx
897 * @sa: Source address of the Invitation Request
898 * @bssid: P2P Group BSSID or %NULL if not received
899 * @ssid: SSID of the group
900 * @ssid_len: Length of ssid in octets
901 * @go_dev_addr: GO Device Address
902 * @status: Response Status
903 * @op_freq: Operational frequency for the group
905 * This callback is used to indicate sending of an Invitation Response
906 * for a received Invitation Request. If status == 0 (success), the
907 * upper layer code is responsible for starting the group. status == 1
908 * indicates need to get user authorization for the group. Other status
909 * values indicate that the invitation request was rejected.
911 void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid,
912 const u8 *ssid, size_t ssid_len,
913 const u8 *go_dev_addr, u8 status,
917 * invitation_result - Callback on Invitation result
918 * @ctx: Callback context from cb_ctx
919 * @status: Negotiation result (Status Code)
920 * @bssid: P2P Group BSSID or %NULL if not received
921 * @channels: Available operating channels for the group
922 * @addr: Peer address
923 * @freq: Frequency (in MHz) indicated during invitation or 0
924 * @peer_oper_freq: Operating frequency (in MHz) advertized by the peer
925 * during invitation or 0
927 * This callback is used to indicate result of an Invitation procedure
928 * started with a call to p2p_invite(). The indicated status code is
929 * the value received from the peer in Invitation Response with 0
930 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a
931 * local failure in transmitting the Invitation Request.
933 void (*invitation_result)(void *ctx, int status, const u8 *bssid,
934 const struct p2p_channels *channels,
935 const u8 *addr, int freq, int peer_oper_freq);
938 * go_connected - Check whether we are connected to a GO
939 * @ctx: Callback context from cb_ctx
940 * @dev_addr: P2P Device Address of a GO
941 * Returns: 1 if we are connected as a P2P client to the specified GO
944 int (*go_connected)(void *ctx, const u8 *dev_addr);
947 * presence_resp - Callback on Presence Response
948 * @ctx: Callback context from cb_ctx
949 * @src: Source address (GO's P2P Interface Address)
950 * @status: Result of the request (P2P_SC_*)
951 * @noa: Returned NoA value
952 * @noa_len: Length of the NoA buffer in octets
954 void (*presence_resp)(void *ctx, const u8 *src, u8 status,
955 const u8 *noa, size_t noa_len);
958 * is_concurrent_session_active - Check whether concurrent session is
959 * active on other virtual interfaces
960 * @ctx: Callback context from cb_ctx
961 * Returns: 1 if concurrent session is active on other virtual interface
964 int (*is_concurrent_session_active)(void *ctx);
967 * is_p2p_in_progress - Check whether P2P operation is in progress
968 * @ctx: Callback context from cb_ctx
969 * Returns: 1 if P2P operation (e.g., group formation) is in progress
972 int (*is_p2p_in_progress)(void *ctx);
975 * Determine if we have a persistent group we share with remote peer
976 * and allocate interface for this group if needed
977 * @ctx: Callback context from cb_ctx
978 * @addr: Peer device address to search for
979 * @ssid: Persistent group SSID or %NULL if any
980 * @ssid_len: Length of @ssid
981 * @go_dev_addr: Buffer for returning GO P2P Device Address
982 * @ret_ssid: Buffer for returning group SSID
983 * @ret_ssid_len: Buffer for returning length of @ssid
984 * @intended_iface_addr: Buffer for returning intended iface address
985 * Returns: 1 if a matching persistent group was found, 0 otherwise
987 int (*get_persistent_group)(void *ctx, const u8 *addr, const u8 *ssid,
988 size_t ssid_len, u8 *go_dev_addr,
989 u8 *ret_ssid, size_t *ret_ssid_len,
990 u8 *intended_iface_addr);
993 * Get information about a possible local GO role
994 * @ctx: Callback context from cb_ctx
995 * @intended_addr: Buffer for returning intended GO interface address
996 * @ssid: Buffer for returning group SSID
997 * @ssid_len: Buffer for returning length of @ssid
998 * @group_iface: Buffer for returning whether a separate group interface
1000 * Returns: 1 if GO info found, 0 otherwise
1002 * This is used to compose New Group settings (SSID, and intended
1003 * address) during P2PS provisioning if results of provisioning *might*
1004 * result in our being an autonomous GO.
1006 int (*get_go_info)(void *ctx, u8 *intended_addr,
1007 u8 *ssid, size_t *ssid_len, int *group_iface);
1010 * remove_stale_groups - Remove stale P2PS groups
1012 * Because P2PS stages *potential* GOs, and remote devices can remove
1013 * credentials unilaterally, we need to make sure we don't let stale
1014 * unusable groups build up.
1016 int (*remove_stale_groups)(void *ctx, const u8 *peer, const u8 *go,
1017 const u8 *ssid, size_t ssid_len);
1020 * p2ps_prov_complete - P2PS provisioning complete
1022 * When P2PS provisioning completes (successfully or not) we must
1023 * transmit all of the results to the upper layers.
1025 void (*p2ps_prov_complete)(void *ctx, u8 status, const u8 *dev,
1026 const u8 *adv_mac, const u8 *ses_mac,
1027 const u8 *grp_mac, u32 adv_id, u32 ses_id,
1028 u8 conncap, int passwd_id,
1029 const u8 *persist_ssid,
1030 size_t persist_ssid_size, int response_done,
1031 int prov_start, const char *session_info);
1034 * prov_disc_resp_cb - Callback for indicating completion of PD Response
1035 * @ctx: Callback context from cb_ctx
1036 * Returns: 1 if operation was started, 0 otherwise
1038 * This callback can be used to perform any pending actions after
1039 * provisioning. It is mainly used for P2PS pending group creation.
1041 int (*prov_disc_resp_cb)(void *ctx);
1044 * p2ps_group_capability - Determine group capability
1046 * This function can be used to determine group capability based on
1047 * information from P2PS PD exchange and the current state of ongoing
1048 * groups and driver capabilities.
1050 * P2PS_SETUP_* bitmap is used as the parameters and return value.
1052 u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role);
1056 /* P2P module initialization/deinitialization */
1059 * p2p_init - Initialize P2P module
1060 * @cfg: P2P module configuration
1061 * Returns: Pointer to private data or %NULL on failure
1063 * This function is used to initialize global P2P module context (one per
1064 * device). The P2P module will keep a copy of the configuration data, so the
1065 * caller does not need to maintain this structure. However, the callback
1066 * functions and the context parameters to them must be kept available until
1067 * the P2P module is deinitialized with p2p_deinit().
1069 struct p2p_data * p2p_init(const struct p2p_config *cfg);
1072 * p2p_deinit - Deinitialize P2P module
1073 * @p2p: P2P module context from p2p_init()
1075 void p2p_deinit(struct p2p_data *p2p);
1078 * p2p_flush - Flush P2P module state
1079 * @p2p: P2P module context from p2p_init()
1081 * This command removes the P2P module state like peer device entries.
1083 void p2p_flush(struct p2p_data *p2p);
1086 * p2p_unauthorize - Unauthorize the specified peer device
1087 * @p2p: P2P module context from p2p_init()
1088 * @addr: P2P peer entry to be unauthorized
1089 * Returns: 0 on success, -1 on failure
1091 * This command removes any connection authorization from the specified P2P
1092 * peer device address. This can be used, e.g., to cancel effect of a previous
1093 * p2p_authorize() or p2p_connect() call that has not yet resulted in completed
1096 int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr);
1099 * p2p_set_dev_name - Set device name
1100 * @p2p: P2P module context from p2p_init()
1101 * Returns: 0 on success, -1 on failure
1103 * This function can be used to update the P2P module configuration with
1104 * information that was not available at the time of the p2p_init() call.
1106 int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name);
1108 int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer);
1109 int p2p_set_model_name(struct p2p_data *p2p, const char *model_name);
1110 int p2p_set_model_number(struct p2p_data *p2p, const char *model_number);
1111 int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number);
1113 void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods);
1114 void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid);
1117 * p2p_set_pri_dev_type - Set primary device type
1118 * @p2p: P2P module context from p2p_init()
1119 * Returns: 0 on success, -1 on failure
1121 * This function can be used to update the P2P module configuration with
1122 * information that was not available at the time of the p2p_init() call.
1124 int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type);
1127 * p2p_set_sec_dev_types - Set secondary device types
1128 * @p2p: P2P module context from p2p_init()
1129 * Returns: 0 on success, -1 on failure
1131 * This function can be used to update the P2P module configuration with
1132 * information that was not available at the time of the p2p_init() call.
1134 int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
1135 size_t num_dev_types);
1137 int p2p_set_country(struct p2p_data *p2p, const char *country);
1140 /* Commands from upper layer management entity */
1142 enum p2p_discovery_type {
1143 P2P_FIND_START_WITH_FULL,
1144 P2P_FIND_ONLY_SOCIAL,
1145 P2P_FIND_PROGRESSIVE
1149 * p2p_find - Start P2P Find (Device Discovery)
1150 * @p2p: P2P module context from p2p_init()
1151 * @timeout: Timeout for find operation in seconds or 0 for no timeout
1152 * @type: Device Discovery type
1153 * @num_req_dev_types: Number of requested device types
1154 * @req_dev_types: Requested device types array, must be an array
1155 * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no
1156 * requested device types.
1157 * @dev_id: Device ID to search for or %NULL to find all devices
1158 * @search_delay: Extra delay in milliseconds between search iterations
1159 * @seek_count: Number of ASP Service Strings in the seek_string array
1160 * @seek_string: ASP Service Strings to query for in Probe Requests
1161 * @freq: Requested first scan frequency (in MHz) to modify type ==
1162 * P2P_FIND_START_WITH_FULL behavior. 0 = Use normal full scan.
1163 * If p2p_find is already in progress, this parameter is ignored and full
1164 * scan will be executed.
1165 * Returns: 0 on success, -1 on failure
1167 int p2p_find(struct p2p_data *p2p, unsigned int timeout,
1168 enum p2p_discovery_type type,
1169 unsigned int num_req_dev_types, const u8 *req_dev_types,
1170 const u8 *dev_id, unsigned int search_delay,
1171 u8 seek_count, const char **seek_string, int freq);
1174 * p2p_notify_scan_trigger_status - Indicate scan trigger status
1175 * @p2p: P2P module context from p2p_init()
1176 * @status: 0 on success, -1 on failure
1178 void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status);
1181 * p2p_stop_find - Stop P2P Find (Device Discovery)
1182 * @p2p: P2P module context from p2p_init()
1184 void p2p_stop_find(struct p2p_data *p2p);
1187 * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq
1188 * @p2p: P2P module context from p2p_init()
1189 * @freq: Frequency in MHz for next operation
1191 * This is like p2p_stop_find(), but Listen state is not stopped if we are
1192 * already on the same frequency.
1194 void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq);
1197 * p2p_listen - Start P2P Listen state for specified duration
1198 * @p2p: P2P module context from p2p_init()
1199 * @timeout: Listen state duration in milliseconds
1200 * Returns: 0 on success, -1 on failure
1202 * This function can be used to request the P2P module to keep the device
1203 * discoverable on the listen channel for an extended set of time. At least in
1204 * its current form, this is mainly used for testing purposes and may not be of
1205 * much use for normal P2P operations.
1207 int p2p_listen(struct p2p_data *p2p, unsigned int timeout);
1210 * p2p_stop_listen - Stop P2P Listen
1211 * @p2p: P2P module context from p2p_init()
1213 void p2p_stop_listen(struct p2p_data *p2p);
1216 * p2p_connect - Start P2P group formation (GO negotiation)
1217 * @p2p: P2P module context from p2p_init()
1218 * @peer_addr: MAC address of the peer P2P client
1219 * @wps_method: WPS method to be used in provisioning
1220 * @go_intent: Local GO intent value (1..15)
1221 * @own_interface_addr: Intended interface address to use with the group
1222 * @force_freq: The only allowed channel frequency in MHz or 0
1223 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1224 * persistent group without persistent reconnect, 2 = persistent group with
1225 * persistent reconnect)
1226 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1228 * @force_ssid_len: Length of $force_ssid buffer
1229 * @pd_before_go_neg: Whether to send Provision Discovery prior to GO
1230 * Negotiation as an interoperability workaround when initiating group
1232 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1234 * Returns: 0 on success, -1 on failure
1236 int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
1237 enum p2p_wps_method wps_method,
1238 int go_intent, const u8 *own_interface_addr,
1239 unsigned int force_freq, int persistent_group,
1240 const u8 *force_ssid, size_t force_ssid_len,
1241 int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id);
1244 * p2p_authorize - Authorize P2P group formation (GO negotiation)
1245 * @p2p: P2P module context from p2p_init()
1246 * @peer_addr: MAC address of the peer P2P client
1247 * @wps_method: WPS method to be used in provisioning
1248 * @go_intent: Local GO intent value (1..15)
1249 * @own_interface_addr: Intended interface address to use with the group
1250 * @force_freq: The only allowed channel frequency in MHz or 0
1251 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1252 * persistent group without persistent reconnect, 2 = persistent group with
1253 * persistent reconnect)
1254 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1256 * @force_ssid_len: Length of $force_ssid buffer
1257 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1259 * Returns: 0 on success, -1 on failure
1261 * This is like p2p_connect(), but the actual group negotiation is not
1262 * initiated automatically, i.e., the other end is expected to do that.
1264 int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
1265 enum p2p_wps_method wps_method,
1266 int go_intent, const u8 *own_interface_addr,
1267 unsigned int force_freq, int persistent_group,
1268 const u8 *force_ssid, size_t force_ssid_len,
1269 unsigned int pref_freq, u16 oob_pw_id);
1272 * p2p_reject - Reject peer device (explicitly block connection attempts)
1273 * @p2p: P2P module context from p2p_init()
1274 * @peer_addr: MAC address of the peer P2P client
1275 * Returns: 0 on success, -1 on failure
1277 int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr);
1280 * p2p_prov_disc_req - Send Provision Discovery Request
1281 * @p2p: P2P module context from p2p_init()
1282 * @peer_addr: MAC address of the peer P2P client
1283 * @p2ps_prov: Provisioning info for P2PS
1284 * @config_methods: WPS Config Methods value (only one bit set)
1285 * @join: Whether this is used by a client joining an active group
1286 * @force_freq: Forced TX frequency for the frame (mainly for the join case)
1287 * @user_initiated_pd: Flag to indicate if initiated by user or not
1288 * Returns: 0 on success, -1 on failure
1290 * This function can be used to request a discovered P2P peer to display a PIN
1291 * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us
1292 * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame
1293 * is transmitted once immediately and if no response is received, the frame
1294 * will be sent again whenever the target device is discovered during device
1295 * dsicovery (start with a p2p_find() call). Response from the peer is
1296 * indicated with the p2p_config::prov_disc_resp() callback.
1298 int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
1299 struct p2ps_provision *p2ps_prov, u16 config_methods,
1300 int join, int force_freq,
1301 int user_initiated_pd);
1304 * p2p_sd_request - Schedule a service discovery query
1305 * @p2p: P2P module context from p2p_init()
1306 * @dst: Destination peer or %NULL to apply for all peers
1307 * @tlvs: P2P Service Query TLV(s)
1308 * Returns: Reference to the query or %NULL on failure
1310 * Response to the query is indicated with the p2p_config::sd_response()
1313 void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
1314 const struct wpabuf *tlvs);
1316 #ifdef CONFIG_WIFI_DISPLAY
1317 void * p2p_sd_request_wfd(struct p2p_data *p2p, const u8 *dst,
1318 const struct wpabuf *tlvs);
1319 #endif /* CONFIG_WIFI_DISPLAY */
1322 * p2p_sd_cancel_request - Cancel a pending service discovery query
1323 * @p2p: P2P module context from p2p_init()
1324 * @req: Query reference from p2p_sd_request()
1325 * Returns: 0 if request for cancelled; -1 if not found
1327 int p2p_sd_cancel_request(struct p2p_data *p2p, void *req);
1330 * p2p_sd_response - Send response to a service discovery query
1331 * @p2p: P2P module context from p2p_init()
1332 * @freq: Frequency from p2p_config::sd_request() callback
1333 * @dst: Destination address from p2p_config::sd_request() callback
1334 * @dialog_token: Dialog token from p2p_config::sd_request() callback
1335 * @resp_tlvs: P2P Service Response TLV(s)
1337 * This function is called as a response to the request indicated with
1338 * p2p_config::sd_request() callback.
1340 void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst,
1341 u8 dialog_token, const struct wpabuf *resp_tlvs);
1344 * p2p_sd_service_update - Indicate a change in local services
1345 * @p2p: P2P module context from p2p_init()
1347 * This function needs to be called whenever there is a change in availability
1348 * of the local services. This will increment the Service Update Indicator
1349 * value which will be used in SD Request and Response frames.
1351 void p2p_sd_service_update(struct p2p_data *p2p);
1354 enum p2p_invite_role {
1356 P2P_INVITE_ROLE_ACTIVE_GO,
1357 P2P_INVITE_ROLE_CLIENT
1361 * p2p_invite - Invite a P2P Device into a group
1362 * @p2p: P2P module context from p2p_init()
1363 * @peer: Device Address of the peer P2P Device
1364 * @role: Local role in the group
1365 * @bssid: Group BSSID or %NULL if not known
1367 * @ssid_len: Length of ssid in octets
1368 * @force_freq: The only allowed channel frequency in MHz or 0
1369 * @go_dev_addr: Forced GO Device Address or %NULL if none
1370 * @persistent_group: Whether this is to reinvoke a persistent group
1371 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1373 * @dev_pw_id: Device Password ID from OOB Device Password (NFC) static handover
1374 * case or -1 if not used
1375 * Returns: 0 on success, -1 on failure
1377 int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
1378 const u8 *bssid, const u8 *ssid, size_t ssid_len,
1379 unsigned int force_freq, const u8 *go_dev_addr,
1380 int persistent_group, unsigned int pref_freq, int dev_pw_id);
1383 * p2p_presence_req - Request GO presence
1384 * @p2p: P2P module context from p2p_init()
1385 * @go_interface_addr: GO P2P Interface Address
1386 * @own_interface_addr: Own P2P Interface Address for this group
1387 * @freq: Group operating frequence (in MHz)
1388 * @duration1: Preferred presence duration in microseconds
1389 * @interval1: Preferred presence interval in microseconds
1390 * @duration2: Acceptable presence duration in microseconds
1391 * @interval2: Acceptable presence interval in microseconds
1392 * Returns: 0 on success, -1 on failure
1394 * If both duration and interval values are zero, the parameter pair is not
1395 * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0).
1397 int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
1398 const u8 *own_interface_addr, unsigned int freq,
1399 u32 duration1, u32 interval1, u32 duration2,
1403 * p2p_ext_listen - Set Extended Listen Timing
1404 * @p2p: P2P module context from p2p_init()
1405 * @freq: Group operating frequence (in MHz)
1406 * @period: Availability period in milliseconds (1-65535; 0 to disable)
1407 * @interval: Availability interval in milliseconds (1-65535; 0 to disable)
1408 * Returns: 0 on success, -1 on failure
1410 * This function can be used to enable or disable (period = interval = 0)
1411 * Extended Listen Timing. When enabled, the P2P Device will become
1412 * discoverable (go into Listen State) every @interval milliseconds for at
1413 * least @period milliseconds.
1415 int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
1416 unsigned int interval);
1418 /* Event notifications from upper layer management operations */
1421 * p2p_wps_success_cb - Report successfully completed WPS provisioning
1422 * @p2p: P2P module context from p2p_init()
1423 * @mac_addr: Peer address
1425 * This function is used to report successfully completed WPS provisioning
1426 * during group formation in both GO/Registrar and client/Enrollee roles.
1428 void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr);
1431 * p2p_group_formation_failed - Report failed WPS provisioning
1432 * @p2p: P2P module context from p2p_init()
1434 * This function is used to report failed group formation. This can happen
1435 * either due to failed WPS provisioning or due to 15 second timeout during
1436 * the provisioning phase.
1438 void p2p_group_formation_failed(struct p2p_data *p2p);
1441 * p2p_get_provisioning_info - Get any stored provisioning info
1442 * @p2p: P2P module context from p2p_init()
1443 * @addr: Peer P2P Device Address
1444 * Returns: WPS provisioning information (WPS config method) or 0 if no
1445 * information is available
1447 * This function is used to retrieve stored WPS provisioning info for the given
1450 u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1453 * p2p_clear_provisioning_info - Clear any stored provisioning info
1454 * @p2p: P2P module context from p2p_init()
1455 * @iface_addr: Peer P2P Device Address
1457 * This function is used to clear stored WPS provisioning info for the given
1460 void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1463 /* Event notifications from lower layer driver operations */
1466 * enum p2p_probe_req_status
1468 * @P2P_PREQ_MALFORMED: frame was not well-formed
1469 * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored
1470 * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request
1471 * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed
1472 * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P
1474 enum p2p_probe_req_status {
1476 P2P_PREQ_NOT_LISTEN,
1478 P2P_PREQ_NOT_PROCESSED,
1483 * p2p_probe_req_rx - Report reception of a Probe Request frame
1484 * @p2p: P2P module context from p2p_init()
1485 * @addr: Source MAC address
1486 * @dst: Destination MAC address if available or %NULL
1487 * @bssid: BSSID if available or %NULL
1488 * @ie: Information elements from the Probe Request frame body
1489 * @ie_len: Length of ie buffer in octets
1490 * @rx_freq: Probe Request frame RX frequency
1491 * Returns: value indicating the type and status of the probe request
1493 enum p2p_probe_req_status
1494 p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
1495 const u8 *bssid, const u8 *ie, size_t ie_len,
1496 unsigned int rx_freq);
1499 * p2p_rx_action - Report received Action frame
1500 * @p2p: P2P module context from p2p_init()
1501 * @da: Destination address of the received Action frame
1502 * @sa: Source address of the received Action frame
1503 * @bssid: Address 3 of the received Action frame
1504 * @category: Category of the received Action frame
1505 * @data: Action frame body after the Category field
1506 * @len: Length of the data buffer in octets
1507 * @freq: Frequency (in MHz) on which the frame was received
1509 void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
1510 const u8 *bssid, u8 category,
1511 const u8 *data, size_t len, int freq);
1514 * p2p_scan_res_handler - Indicate a P2P scan results
1515 * @p2p: P2P module context from p2p_init()
1516 * @bssid: BSSID of the scan result
1517 * @freq: Frequency of the channel on which the device was found in MHz
1518 * @rx_time: Time when the result was received
1519 * @level: Signal level (signal strength of the received Beacon/Probe Response
1521 * @ies: Pointer to IEs from the scan result
1522 * @ies_len: Length of the ies buffer
1523 * Returns: 0 to continue or 1 to stop scan result indication
1525 * This function is called to indicate a scan result entry with P2P IE from a
1526 * scan requested with struct p2p_config::p2p_scan(). This can be called during
1527 * the actual scan process (i.e., whenever a new device is found) or as a
1528 * sequence of calls after the full scan has been completed. The former option
1529 * can result in optimized operations, but may not be supported by all
1530 * driver/firmware designs. The ies buffer need to include at least the P2P IE,
1531 * but it is recommended to include all IEs received from the device. The
1532 * caller does not need to check that the IEs contain a P2P IE before calling
1533 * this function since frames will be filtered internally if needed.
1535 * This function will return 1 if it wants to stop scan result iteration (and
1536 * scan in general if it is still in progress). This is used to allow faster
1537 * start of a pending operation, e.g., to start a pending GO negotiation.
1539 int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
1540 struct os_reltime *rx_time, int level, const u8 *ies,
1544 * p2p_scan_res_handled - Indicate end of scan results
1545 * @p2p: P2P module context from p2p_init()
1547 * This function is called to indicate that all P2P scan results from a scan
1548 * have been reported with zero or more calls to p2p_scan_res_handler(). This
1549 * function must be called as a response to successful
1550 * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler()
1551 * calls stopped iteration.
1553 void p2p_scan_res_handled(struct p2p_data *p2p);
1555 enum p2p_send_action_result {
1556 P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
1557 P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */,
1558 P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
1562 * p2p_send_action_cb - Notify TX status of an Action frame
1563 * @p2p: P2P module context from p2p_init()
1564 * @freq: Channel frequency in MHz
1565 * @dst: Destination MAC address (Address 1)
1566 * @src: Source MAC address (Address 2)
1567 * @bssid: BSSID (Address 3)
1568 * @result: Result of the transmission attempt
1570 * This function is used to indicate the result of an Action frame transmission
1571 * that was requested with struct p2p_config::send_action() callback.
1573 void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
1574 const u8 *src, const u8 *bssid,
1575 enum p2p_send_action_result result);
1578 * p2p_listen_cb - Indicate the start of a requested Listen state
1579 * @p2p: P2P module context from p2p_init()
1580 * @freq: Listen channel frequency in MHz
1581 * @duration: Duration for the Listen state in milliseconds
1583 * This function is used to indicate that a Listen state requested with
1584 * struct p2p_config::start_listen() callback has started.
1586 void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
1587 unsigned int duration);
1590 * p2p_listen_end - Indicate the end of a requested Listen state
1591 * @p2p: P2P module context from p2p_init()
1592 * @freq: Listen channel frequency in MHz
1593 * Returns: 0 if no operations were started, 1 if an operation was started
1595 * This function is used to indicate that a Listen state requested with
1596 * struct p2p_config::start_listen() callback has ended.
1598 int p2p_listen_end(struct p2p_data *p2p, unsigned int freq);
1600 void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1601 const u8 *ie, size_t ie_len);
1603 void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1604 const u8 *ie, size_t ie_len);
1607 /* Per-group P2P state for GO */
1612 * struct p2p_group_config - P2P group configuration
1614 * This configuration is provided to the P2P module during initialization of
1615 * the per-group information with p2p_group_init().
1617 struct p2p_group_config {
1619 * persistent_group - Whether the group is persistent
1620 * 0 = not a persistent group
1621 * 1 = persistent group without persistent reconnect
1622 * 2 = persistent group with persistent reconnect
1624 int persistent_group;
1627 * interface_addr - P2P Interface Address of the group
1629 u8 interface_addr[ETH_ALEN];
1632 * max_clients - Maximum number of clients in the group
1634 unsigned int max_clients;
1639 u8 ssid[SSID_MAX_LEN];
1642 * ssid_len - Length of SSID
1647 * freq - Operating channel of the group
1652 * cb_ctx - Context to use with callback functions
1657 * ie_update - Notification of IE update
1658 * @ctx: Callback context from cb_ctx
1659 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change
1660 * @proberesp_ies: P2P Ie for Probe Response frames
1662 * P2P module uses this callback function to notify whenever the P2P IE
1663 * in Beacon or Probe Response frames should be updated based on group
1666 * The callee is responsible for freeing the returned buffer(s) with
1669 void (*ie_update)(void *ctx, struct wpabuf *beacon_ies,
1670 struct wpabuf *proberesp_ies);
1673 * idle_update - Notification of changes in group idle state
1674 * @ctx: Callback context from cb_ctx
1675 * @idle: Whether the group is idle (no associated stations)
1677 void (*idle_update)(void *ctx, int idle);
1681 * p2p_group_init - Initialize P2P group
1682 * @p2p: P2P module context from p2p_init()
1683 * @config: P2P group configuration (will be freed by p2p_group_deinit())
1684 * Returns: Pointer to private data or %NULL on failure
1686 * This function is used to initialize per-group P2P module context. Currently,
1687 * this is only used to manage GO functionality and P2P clients do not need to
1688 * create an instance of this per-group information.
1690 struct p2p_group * p2p_group_init(struct p2p_data *p2p,
1691 struct p2p_group_config *config);
1694 * p2p_group_deinit - Deinitialize P2P group
1695 * @group: P2P group context from p2p_group_init()
1697 void p2p_group_deinit(struct p2p_group *group);
1700 * p2p_group_notif_assoc - Notification of P2P client association with GO
1701 * @group: P2P group context from p2p_group_init()
1702 * @addr: Interface address of the P2P client
1703 * @ie: IEs from the (Re)association Request frame
1704 * @len: Length of the ie buffer in octets
1705 * Returns: 0 on success, -1 on failure
1707 int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
1708 const u8 *ie, size_t len);
1711 * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response
1712 * @group: P2P group context from p2p_group_init()
1713 * @status: Status value (P2P_SC_SUCCESS if association succeeded)
1714 * Returns: P2P IE for (Re)association Response or %NULL on failure
1716 * The caller is responsible for freeing the returned buffer with
1719 struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status);
1722 * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO
1723 * @group: P2P group context from p2p_group_init()
1724 * @addr: Interface address of the P2P client
1726 void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr);
1729 * p2p_group_notif_formation_done - Notification of completed group formation
1730 * @group: P2P group context from p2p_group_init()
1732 void p2p_group_notif_formation_done(struct p2p_group *group);
1735 * p2p_group_notif_noa - Notification of NoA change
1736 * @group: P2P group context from p2p_group_init()
1737 * @noa: Notice of Absence attribute payload, %NULL if none
1738 * @noa_len: Length of noa buffer in octets
1739 * Returns: 0 on success, -1 on failure
1741 * Notify the P2P group management about a new NoA contents. This will be
1742 * inserted into the P2P IEs in Beacon and Probe Response frames with rest of
1743 * the group information.
1745 int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
1749 * p2p_group_match_dev_type - Match device types in group with requested type
1750 * @group: P2P group context from p2p_group_init()
1751 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
1752 * Returns: 1 on match, 0 on mismatch
1754 * This function can be used to match the Requested Device Type attribute in
1755 * WPS IE with the device types of a group member for deciding whether a GO
1756 * should reply to a Probe Request frame. Match will be reported if the WPS IE
1757 * is not requested any specific device type.
1759 int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps);
1762 * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id
1764 int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p);
1767 * p2p_group_go_discover - Send GO Discoverability Request to a group client
1768 * @group: P2P group context from p2p_group_init()
1769 * Returns: 0 on success (frame scheduled); -1 if client was not found
1771 int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
1772 const u8 *searching_dev, int rx_freq);
1775 /* Generic helper functions */
1778 * p2p_ie_text - Build text format description of P2P IE
1780 * @buf: Buffer for returning text
1781 * @end: Pointer to the end of the buf area
1782 * Returns: Number of octets written to the buffer or -1 on failure
1784 * This function can be used to parse P2P IE contents into text format
1785 * field=value lines.
1787 int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end);
1790 * p2p_scan_result_text - Build text format description of P2P IE
1791 * @ies: Information elements from scan results
1792 * @ies_len: ies buffer length in octets
1793 * @buf: Buffer for returning text
1794 * @end: Pointer to the end of the buf area
1795 * Returns: Number of octets written to the buffer or -1 on failure
1797 * This function can be used to parse P2P IE contents into text format
1798 * field=value lines.
1800 int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end);
1803 * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated
1806 * @dev_addr: Buffer for returning P2P Device Address
1807 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1809 int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr);
1812 * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s)
1813 * @ies: Information elements from scan results
1814 * @ies_len: ies buffer length in octets
1815 * @dev_addr: Buffer for returning P2P Device Address
1816 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1818 int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr);
1821 * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame
1822 * @p2p: P2P module context from p2p_init()
1824 * @buf: Buffer for writing the P2P IE
1825 * @len: Maximum buf length in octets
1826 * @p2p_group: Whether this is for association with a P2P GO
1827 * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none
1828 * Returns: Number of octets written into buf or -1 on failure
1830 int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
1831 size_t len, int p2p_group, struct wpabuf *p2p_ie);
1834 * p2p_scan_ie - Build P2P IE for Probe Request
1835 * @p2p: P2P module context from p2p_init()
1836 * @ies: Buffer for writing P2P IE
1837 * @dev_id: Device ID to search for or %NULL for any
1839 void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id);
1842 * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie
1843 * @p2p: P2P module context from p2p_init()
1844 * Returns: Number of octets that p2p_scan_ie() may add to the buffer
1846 size_t p2p_scan_ie_buf_len(struct p2p_data *p2p);
1849 * p2p_go_params - Generate random P2P group parameters
1850 * @p2p: P2P module context from p2p_init()
1851 * @params: Buffer for parameters
1852 * Returns: 0 on success, -1 on failure
1854 int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params);
1857 * p2p_get_group_capab - Get Group Capability from P2P IE data
1858 * @p2p_ie: P2P IE(s) contents
1859 * Returns: Group Capability
1861 u8 p2p_get_group_capab(const struct wpabuf *p2p_ie);
1864 * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection
1865 * @p2p_ie: P2P IE(s) contents
1866 * Returns: 0 if cross connection is allow, 1 if not
1868 int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie);
1871 * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data
1872 * @p2p_ie: P2P IE(s) contents
1873 * Returns: Pointer to P2P Device Address or %NULL if not included
1875 const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie);
1878 * p2p_get_peer_info - Get P2P peer information
1879 * @p2p: P2P module context from p2p_init()
1880 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
1881 * @next: Whether to select the peer entry following the one indicated by addr
1882 * Returns: Pointer to peer info or %NULL if not found
1884 const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p,
1885 const u8 *addr, int next);
1888 * p2p_get_peer_info_txt - Get internal P2P peer information in text format
1889 * @info: Pointer to P2P peer info from p2p_get_peer_info()
1890 * @buf: Buffer for returning text
1891 * @buflen: Maximum buffer length
1892 * Returns: Number of octets written to the buffer or -1 on failure
1894 * Note: This information is internal to the P2P module and subject to change.
1895 * As such, this should not really be used by external programs for purposes
1896 * other than debugging.
1898 int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
1899 char *buf, size_t buflen);
1902 * p2p_peer_known - Check whether P2P peer is known
1903 * @p2p: P2P module context from p2p_init()
1904 * @addr: P2P Device Address of the peer
1905 * Returns: 1 if the specified device is in the P2P peer table or 0 if not
1907 int p2p_peer_known(struct p2p_data *p2p, const u8 *addr);
1910 * p2p_set_client_discoverability - Set client discoverability capability
1911 * @p2p: P2P module context from p2p_init()
1912 * @enabled: Whether client discoverability will be enabled
1914 * This function can be used to disable (and re-enable) client discoverability.
1915 * This capability is enabled by default and should not be disabled in normal
1916 * use cases, i.e., this is mainly for testing purposes.
1918 void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled);
1921 * p2p_set_managed_oper - Set managed P2P Device operations capability
1922 * @p2p: P2P module context from p2p_init()
1923 * @enabled: Whether managed P2P Device operations will be enabled
1925 void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
1928 * p2p_config_get_random_social - Return a random social channel
1930 * @op_class: Selected operating class
1931 * @op_channel: Selected social channel
1932 * Returns: 0 on success, -1 on failure
1934 * This function is used before p2p_init is called. A random social channel
1935 * from supports bands 2.4 GHz (channels 1,6,11) and 60 GHz (channel 2) is
1936 * returned on success.
1938 int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class,
1941 int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel,
1944 u8 p2p_get_listen_channel(struct p2p_data *p2p);
1946 int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
1948 int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
1950 int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
1953 void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr);
1956 * p2p_set_cross_connect - Set cross connection capability
1957 * @p2p: P2P module context from p2p_init()
1958 * @enabled: Whether cross connection will be enabled
1960 void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
1962 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
1965 * p2p_set_intra_bss_dist - Set intra BSS distribution
1966 * @p2p: P2P module context from p2p_init()
1967 * @enabled: Whether intra BSS distribution will be enabled
1969 void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
1971 int p2p_channels_includes_freq(const struct p2p_channels *channels,
1974 int p2p_channels_to_freqs(const struct p2p_channels *channels,
1975 int *freq_list, unsigned int max_len);
1978 * p2p_supported_freq - Check whether channel is supported for P2P
1979 * @p2p: P2P module context from p2p_init()
1980 * @freq: Channel frequency in MHz
1981 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
1983 int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
1986 * p2p_supported_freq_go - Check whether channel is supported for P2P GO operation
1987 * @p2p: P2P module context from p2p_init()
1988 * @freq: Channel frequency in MHz
1989 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
1991 int p2p_supported_freq_go(struct p2p_data *p2p, unsigned int freq);
1994 * p2p_supported_freq_cli - Check whether channel is supported for P2P client operation
1995 * @p2p: P2P module context from p2p_init()
1996 * @freq: Channel frequency in MHz
1997 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
1999 int p2p_supported_freq_cli(struct p2p_data *p2p, unsigned int freq);
2002 * p2p_get_pref_freq - Get channel from preferred channel list
2003 * @p2p: P2P module context from p2p_init()
2004 * @channels: List of channels
2005 * Returns: Preferred channel
2007 unsigned int p2p_get_pref_freq(struct p2p_data *p2p,
2008 const struct p2p_channels *channels);
2010 void p2p_update_channel_list(struct p2p_data *p2p,
2011 const struct p2p_channels *chan,
2012 const struct p2p_channels *cli_chan);
2015 * p2p_set_best_channels - Update best channel information
2016 * @p2p: P2P module context from p2p_init()
2017 * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band
2018 * @freq_5: Frequency (MHz) of best channel in 5 GHz band
2019 * @freq_overall: Frequency (MHz) of best channel overall
2021 void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
2025 * p2p_set_own_freq_preference - Set own preference for channel
2026 * @p2p: P2P module context from p2p_init()
2027 * @freq: Frequency (MHz) of the preferred channel or 0 if no preference
2029 * This function can be used to set a preference on the operating channel based
2030 * on frequencies used on the other virtual interfaces that share the same
2031 * radio. If non-zero, this is used to try to avoid multi-channel concurrency.
2033 void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq);
2035 const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p);
2038 * p2p_get_group_num_members - Get number of members in group
2039 * @group: P2P group context from p2p_group_init()
2040 * Returns: Number of members in the group
2042 unsigned int p2p_get_group_num_members(struct p2p_group *group);
2045 * p2p_client_limit_reached - Check if client limit is reached
2046 * @group: P2P group context from p2p_group_init()
2047 * Returns: 1 if no of clients limit reached
2049 int p2p_client_limit_reached(struct p2p_group *group);
2052 * p2p_iterate_group_members - Iterate group members
2053 * @group: P2P group context from p2p_group_init()
2054 * @next: iteration pointer, must be a pointer to a void * that is set to %NULL
2055 * on the first call and not modified later
2056 * Returns: A P2P Device Address for each call and %NULL for no more members
2058 const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
2061 * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group
2062 * @group: P2P group context from p2p_group_init()
2063 * @addr: P2P Interface Address of the client
2064 * Returns: P2P Device Address of the client if found or %NULL if no match
2067 const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr);
2070 * p2p_group_is_client_connected - Check whether a specific client is connected
2071 * @group: P2P group context from p2p_group_init()
2072 * @addr: P2P Device Address of the client
2073 * Returns: 1 if client is connected or 0 if not
2075 int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr);
2078 * p2p_group_get_config - Get the group configuration
2079 * @group: P2P group context from p2p_group_init()
2080 * Returns: The group configuration pointer
2082 const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group);
2085 * p2p_loop_on_all_groups - Run the given callback on all groups
2086 * @p2p: P2P module context from p2p_init()
2087 * @group_callback: The callback function pointer
2088 * @user_data: Some user data pointer which can be %NULL
2090 * The group_callback function can stop the iteration by returning 0.
2092 void p2p_loop_on_all_groups(struct p2p_data *p2p,
2093 int (*group_callback)(struct p2p_group *group,
2098 * p2p_get_peer_found - Get P2P peer info structure of a found peer
2099 * @p2p: P2P module context from p2p_init()
2100 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
2101 * @next: Whether to select the peer entry following the one indicated by addr
2102 * Returns: The first P2P peer info available or %NULL if no such peer exists
2104 const struct p2p_peer_info *
2105 p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next);
2108 * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions
2109 * @p2p: P2P module context from p2p_init()
2111 void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p);
2114 * p2p_add_wps_vendor_extension - Add a WPS vendor extension
2115 * @p2p: P2P module context from p2p_init()
2116 * @vendor_ext: The vendor extensions to add
2117 * Returns: 0 on success, -1 on failure
2119 * The wpabuf structures in the array are owned by the P2P
2120 * module after this call.
2122 int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
2123 const struct wpabuf *vendor_ext);
2126 * p2p_set_oper_channel - Set the P2P operating channel
2127 * @p2p: P2P module context from p2p_init()
2128 * @op_reg_class: Operating regulatory class to set
2129 * @op_channel: operating channel to set
2130 * @cfg_op_channel : Whether op_channel is hardcoded in configuration
2131 * Returns: 0 on success, -1 on failure
2133 int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel,
2134 int cfg_op_channel);
2137 * p2p_set_pref_chan - Set P2P preferred channel list
2138 * @p2p: P2P module context from p2p_init()
2139 * @num_pref_chan: Number of entries in pref_chan list
2140 * @pref_chan: Preferred channels or %NULL to remove preferences
2141 * Returns: 0 on success, -1 on failure
2143 int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan,
2144 const struct p2p_channel *pref_chan);
2147 * p2p_set_no_go_freq - Set no GO channel ranges
2148 * @p2p: P2P module context from p2p_init()
2149 * @list: Channel ranges or %NULL to remove restriction
2150 * Returns: 0 on success, -1 on failure
2152 int p2p_set_no_go_freq(struct p2p_data *p2p,
2153 const struct wpa_freq_range_list *list);
2156 * p2p_in_progress - Check whether a P2P operation is progress
2157 * @p2p: P2P module context from p2p_init()
2158 * Returns: 0 if P2P module is idle, 1 if an operation is in progress but not
2159 * in search state, or 2 if search state operation is in progress
2161 int p2p_in_progress(struct p2p_data *p2p);
2163 const char * p2p_wps_method_text(enum p2p_wps_method method);
2166 * p2p_set_config_timeout - Set local config timeouts
2167 * @p2p: P2P module context from p2p_init()
2168 * @go_timeout: Time in 10 ms units it takes to start the GO mode
2169 * @client_timeout: Time in 10 ms units it takes to start the client mode
2171 void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout,
2174 int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie);
2175 int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie);
2176 int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie);
2177 int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie);
2178 int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie);
2179 int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie);
2180 int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie);
2181 int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie);
2182 int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem);
2183 int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem);
2184 int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p,
2185 const struct wpabuf *elem);
2186 struct wpabuf * wifi_display_encaps(struct wpabuf *subelems);
2189 * p2p_set_disc_int - Set min/max discoverable interval for p2p_find
2190 * @p2p: P2P module context from p2p_init()
2191 * @min_disc_int: minDiscoverableInterval (in units of 100 TU); default 1
2192 * @max_disc_int: maxDiscoverableInterval (in units of 100 TU); default 3
2193 * @max_disc_tu: Maximum number of TUs (1.024 ms) for discoverable interval; or
2195 * Returns: 0 on success, or -1 on failure
2197 * This function can be used to configure minDiscoverableInterval and
2198 * maxDiscoverableInterval parameters for the Listen state during device
2199 * discovery (p2p_find). A random number of 100 TU units is picked for each
2200 * Listen state iteration from [min_disc_int,max_disc_int] range.
2202 * max_disc_tu can be used to futher limit the discoverable duration. However,
2203 * it should be noted that use of this parameter is not recommended since it
2204 * would not be compliant with the P2P specification.
2206 int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int,
2210 * p2p_get_state_txt - Get current P2P state for debug purposes
2211 * @p2p: P2P module context from p2p_init()
2212 * Returns: Name of the current P2P module state
2214 * It should be noted that the P2P module state names are internal information
2215 * and subject to change at any point, i.e., this information should be used
2216 * mainly for debugging purposes.
2218 const char * p2p_get_state_txt(struct p2p_data *p2p);
2220 struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p,
2222 const u8 *go_dev_addr,
2223 const u8 *ssid, size_t ssid_len);
2224 struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p,
2226 const u8 *go_dev_addr,
2227 const u8 *ssid, size_t ssid_len);
2229 struct p2p_nfc_params {
2237 NO_ACTION, JOIN_GROUP, AUTH_JOIN, INIT_GO_NEG, RESP_GO_NEG,
2238 BOTH_GO, PEER_CLIENT
2240 struct p2p_peer_info *peer;
2241 u8 oob_dev_pw[WPS_OOB_PUBKEY_HASH_LEN + 2 +
2242 WPS_OOB_DEVICE_PASSWORD_LEN];
2243 size_t oob_dev_pw_len;
2245 u8 go_dev_addr[ETH_ALEN];
2246 u8 go_ssid[SSID_MAX_LEN];
2250 int p2p_process_nfc_connection_handover(struct p2p_data *p2p,
2251 struct p2p_nfc_params *params);
2253 void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id,
2255 const u8 *own_interface_addr);
2257 int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len);
2259 void p2p_loop_on_known_peers(struct p2p_data *p2p,
2260 void (*peer_callback)(struct p2p_peer_info *peer,
2264 void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem);
2266 void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr);
2268 struct p2ps_advertisement *
2269 p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id);
2270 int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
2271 const char *adv_str, u8 svc_state,
2272 u16 config_methods, const char *svc_info,
2273 const u8 *cpt_priority);
2274 int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id);
2275 void p2p_service_flush_asp(struct p2p_data *p2p);
2276 struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p);
2279 * p2p_expire_peers - Periodic cleanup function to expire peers
2280 * @p2p: P2P module context from p2p_init()
2282 * This is a cleanup function that the entity calling p2p_init() is
2283 * expected to call periodically to clean up expired peer entries.
2285 void p2p_expire_peers(struct p2p_data *p2p);