2 * Wi-Fi Direct - P2P module
3 * Copyright (c) 2009-2010, Atheros Communications
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "common/ieee802_11_defs.h"
15 /* P2P ASP Setup Capability */
16 #define P2PS_SETUP_NONE 0
17 #define P2PS_SETUP_NEW BIT(0)
18 #define P2PS_SETUP_CLIENT BIT(1)
19 #define P2PS_SETUP_GROUP_OWNER BIT(2)
21 #define P2PS_WILD_HASH_STR "org.wi-fi.wfds"
22 #define P2PS_HASH_LEN 6
23 #define P2P_MAX_QUERY_HASH 6
24 #define P2PS_FEATURE_CAPAB_CPT_MAX 2
27 * P2P_MAX_PREF_CHANNELS - Maximum number of preferred channels
29 #define P2P_MAX_PREF_CHANNELS 100
32 * P2P_MAX_REG_CLASSES - Maximum number of regulatory classes
34 #define P2P_MAX_REG_CLASSES 15
37 * P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class
39 #define P2P_MAX_REG_CLASS_CHANNELS 20
42 * struct p2p_channels - List of supported channels
46 * struct p2p_reg_class - Supported regulatory class
48 struct p2p_reg_class {
50 * reg_class - Regulatory class (IEEE 802.11-2007, Annex J)
55 * channel - Supported channels
57 u8 channel[P2P_MAX_REG_CLASS_CHANNELS];
60 * channels - Number of channel entries in use
63 } reg_class[P2P_MAX_REG_CLASSES];
66 * reg_classes - Number of reg_class entries in use
72 WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC,
77 * struct p2p_go_neg_results - P2P Group Owner Negotiation results
79 struct p2p_go_neg_results {
81 * status - Negotiation result (Status Code)
83 * 0 (P2P_SC_SUCCESS) indicates success. Non-zero values indicate
89 * role_go - Whether local end is Group Owner
94 * freq - Frequency of the group operational channel in MHz
104 unsigned int vht_center_freq2;
107 * he - Indicates if IEEE 802.11ax HE is enabled
112 * ssid - SSID of the group
114 u8 ssid[SSID_MAX_LEN];
117 * ssid_len - Length of SSID in octets
122 * psk - WPA pre-shared key (256 bits) (GO only)
127 * psk_set - Whether PSK field is configured (GO only)
132 * passphrase - WPA2-Personal passphrase for the group (GO only)
137 * peer_device_addr - P2P Device Address of the peer
139 u8 peer_device_addr[ETH_ALEN];
142 * peer_interface_addr - P2P Interface Address of the peer
144 u8 peer_interface_addr[ETH_ALEN];
147 * wps_method - WPS method to be used during provisioning
149 enum p2p_wps_method wps_method;
151 #define P2P_MAX_CHANNELS 50
154 * freq_list - Zero-terminated list of possible operational channels
156 int freq_list[P2P_MAX_CHANNELS];
159 * persistent_group - Whether the group should be made persistent
161 * 1 = persistent group without persistent reconnect
162 * 2 = persistent group with persistent reconnect
164 int persistent_group;
167 * peer_config_timeout - Peer configuration timeout (in 10 msec units)
169 unsigned int peer_config_timeout;
172 struct p2ps_provision {
174 * pd_seeker - P2PS provision discovery seeker role
176 unsigned int pd_seeker:1;
179 * status - Remote returned provisioning status code
184 * adv_id - P2PS Advertisement ID
189 * session_id - P2PS Session ID
194 * method - WPS Method (to be) used to establish session
199 * conncap - Connection Capabilities negotiated between P2P peers
204 * role - Info about the roles to be used for this connection
209 * session_mac - MAC address of the peer that started the session
211 u8 session_mac[ETH_ALEN];
214 * adv_mac - MAC address of the peer advertised the service
216 u8 adv_mac[ETH_ALEN];
219 * cpt_mask - Supported Coordination Protocol Transport mask
221 * A bitwise mask of supported ASP Coordination Protocol Transports.
222 * This property is set together and corresponds with cpt_priority.
227 * cpt_priority - Coordination Protocol Transport priority list
229 * Priorities of supported ASP Coordination Protocol Transports.
230 * This property is set together and corresponds with cpt_mask.
231 * The CPT priority list is 0 terminated.
233 u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
236 * force_freq - The only allowed channel frequency in MHz or 0.
238 unsigned int force_freq;
241 * pref_freq - Preferred operating frequency in MHz or 0.
243 unsigned int pref_freq;
246 * info - Vendor defined extra Provisioning information
251 struct p2ps_advertisement {
252 struct p2ps_advertisement *next;
255 * svc_info - Pointer to (internal) Service defined information
260 * id - P2PS Advertisement ID
265 * config_methods - WPS Methods which are allowed for this service
270 * state - Current state of the service: 0 - Out Of Service, 1-255 Vendor defined
275 * auto_accept - Automatically Accept provisioning request if possible.
280 * hash - 6 octet Service Name has to match against incoming Probe Requests
282 u8 hash[P2PS_HASH_LEN];
285 * cpt_mask - supported Coordination Protocol Transport mask
287 * A bitwise mask of supported ASP Coordination Protocol Transports.
288 * This property is set together and corresponds with cpt_priority.
293 * cpt_priority - Coordination Protocol Transport priority list
295 * Priorities of supported ASP Coordinatin Protocol Transports.
296 * This property is set together and corresponds with cpt_mask.
297 * The CPT priority list is 0 terminated.
299 u8 cpt_priority[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
302 * svc_name - NULL Terminated UTF-8 Service Name, and svc_info storage
314 P2P_SCAN_SOCIAL_PLUS_ONE
317 #define P2P_MAX_WPS_VENDOR_EXT 10
320 * struct p2p_peer_info - P2P peer information
322 struct p2p_peer_info {
324 * p2p_device_addr - P2P Device Address of the peer
326 u8 p2p_device_addr[ETH_ALEN];
329 * pri_dev_type - Primary Device Type
334 * device_name - Device Name (0..32 octets encoded in UTF-8)
336 char device_name[WPS_DEV_NAME_MAX_LEN + 1];
339 * manufacturer - Manufacturer (0..64 octets encoded in UTF-8)
341 char manufacturer[WPS_MANUFACTURER_MAX_LEN + 1];
344 * model_name - Model Name (0..32 octets encoded in UTF-8)
346 char model_name[WPS_MODEL_NAME_MAX_LEN + 1];
349 * model_number - Model Number (0..32 octets encoded in UTF-8)
351 char model_number[WPS_MODEL_NUMBER_MAX_LEN + 1];
354 * serial_number - Serial Number (0..32 octets encoded in UTF-8)
356 char serial_number[WPS_SERIAL_NUMBER_MAX_LEN + 1];
359 * level - Signal level
364 * config_methods - WPS Configuration Methods
369 * dev_capab - Device Capabilities
374 * group_capab - Group Capabilities
379 * wps_sec_dev_type_list - WPS secondary device type list
381 * This list includes from 0 to 16 Secondary Device Types as indicated
382 * by wps_sec_dev_type_list_len (8 * number of types).
384 u8 wps_sec_dev_type_list[WPS_SEC_DEV_TYPE_MAX_LEN];
387 * wps_sec_dev_type_list_len - Length of secondary device type list
389 size_t wps_sec_dev_type_list_len;
391 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
394 * wfd_subelems - Wi-Fi Display subelements from WFD IE(s)
396 struct wpabuf *wfd_subelems;
399 * vendor_elems - Unrecognized vendor elements
401 * This buffer includes any other vendor element than P2P, WPS, and WFD
402 * IE(s) from the frame that was used to discover the peer.
404 struct wpabuf *vendor_elems;
407 * p2ps_instance - P2PS Application Service Info
409 struct wpabuf *p2ps_instance;
412 enum p2p_prov_disc_status {
413 P2P_PROV_DISC_SUCCESS,
414 P2P_PROV_DISC_TIMEOUT,
415 P2P_PROV_DISC_REJECTED,
416 P2P_PROV_DISC_TIMEOUT_JOIN,
417 P2P_PROV_DISC_INFO_UNAVAILABLE,
426 * struct p2p_config - P2P configuration
428 * This configuration is provided to the P2P module during initialization with
433 * country - Country code to use in P2P operations
438 * reg_class - Regulatory class for own listen channel
443 * channel - Own listen channel
448 * channel_forced - the listen channel was forced by configuration
449 * or by control interface and cannot be overridden
454 * Regulatory class for own operational channel
459 * op_channel - Own operational channel
464 * cfg_op_channel - Whether op_channel is hardcoded in configuration
469 * channels - Own supported regulatory classes and channels
471 * List of supposerted channels per regulatory class. The regulatory
472 * classes are defined in IEEE Std 802.11-2007 Annex J and the
473 * numbering of the clases depends on the configured country code.
475 struct p2p_channels channels;
478 * cli_channels - Additional client channels
480 * This list of channels (if any) will be used when advertising local
481 * channels during GO Negotiation or Invitation for the cases where the
482 * local end may become the client. This may allow the peer to become a
483 * GO on additional channels if it supports these options. The main use
484 * case for this is to include passive-scan channels on devices that may
485 * not know their current location and have configured most channels to
486 * not allow initiation of radition (i.e., another device needs to take
487 * master responsibilities).
489 struct p2p_channels cli_channels;
492 * num_pref_chan - Number of pref_chan entries
494 unsigned int num_pref_chan;
497 * pref_chan - Preferred channels for GO Negotiation
499 struct p2p_channel *pref_chan;
502 * pri_dev_type - Primary Device Type (see WPS)
507 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types
509 #define P2P_SEC_DEVICE_TYPES 5
512 * sec_dev_type - Optional secondary device types
514 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
517 * num_sec_dev_types - Number of sec_dev_type entries
519 size_t num_sec_dev_types;
522 * dev_addr - P2P Device Address
524 u8 dev_addr[ETH_ALEN];
527 * dev_name - Device Name
540 * concurrent_operations - Whether concurrent operations are supported
542 int concurrent_operations;
545 * max_peers - Maximum number of discovered peers to remember
547 * If more peers are discovered, older entries will be removed to make
548 * room for the new ones.
553 * p2p_intra_bss - Intra BSS communication is supported
558 * ssid_postfix - Postfix data to add to the SSID
560 * This data will be added to the end of the SSID after the
561 * DIRECT-<random two octets> prefix.
563 u8 ssid_postfix[SSID_MAX_LEN - 9];
566 * ssid_postfix_len - Length of the ssid_postfix data
568 size_t ssid_postfix_len;
571 * max_listen - Maximum listen duration in ms
573 unsigned int max_listen;
576 * passphrase_len - Passphrase length (8..63)
578 * This parameter controls the length of the random passphrase that is
579 * generated at the GO.
581 unsigned int passphrase_len;
584 * cb_ctx - Context to use with callback functions
589 * debug_print - Debug print
590 * @ctx: Callback context from cb_ctx
591 * @level: Debug verbosity level (MSG_*)
592 * @msg: Debug message
594 void (*debug_print)(void *ctx, int level, const char *msg);
597 /* Callbacks to request lower layer driver operations */
600 * p2p_scan - Request a P2P scan/search
601 * @ctx: Callback context from cb_ctx
603 * @freq: Specific frequency (MHz) to scan or 0 for no restriction
604 * @num_req_dev_types: Number of requested device types
605 * @req_dev_types: Array containing requested device types
606 * @dev_id: Device ID to search for or %NULL to find all devices
607 * @pw_id: Device Password ID
608 * Returns: 0 on success, -1 on failure
610 * This callback function is used to request a P2P scan or search
611 * operation to be completed. Type type argument specifies which type
612 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the
613 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL
614 * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC
615 * request a scan of a single channel specified by freq.
616 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels
617 * plus one extra channel specified by freq.
619 * The full scan is used for the initial scan to find group owners from
620 * all. The other types are used during search phase scan of the social
621 * channels (with potential variation if the Listen channel of the
622 * target peer is known or if other channels are scanned in steps).
624 * The scan results are returned after this call by calling
625 * p2p_scan_res_handler() for each scan result that has a P2P IE and
626 * then calling p2p_scan_res_handled() to indicate that all scan
627 * results have been indicated.
629 int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq,
630 unsigned int num_req_dev_types,
631 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id);
634 * send_probe_resp - Transmit a Probe Response frame
635 * @ctx: Callback context from cb_ctx
636 * @buf: Probe Response frame (including the header and body)
637 * @freq: Forced frequency (in MHz) to use or 0.
638 * Returns: 0 on success, -1 on failure
640 * This function is used to reply to Probe Request frames that were
641 * indicated with a call to p2p_probe_req_rx(). The response is to be
642 * sent on the same channel, unless otherwise specified, or to be
643 * dropped if the driver is not listening to Probe Request frames
646 * Alternatively, the responsibility for building the Probe Response
647 * frames in Listen state may be in another system component in which
648 * case this function need to be implemented (i.e., the function
649 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe
650 * Response frames in such a case are available from the
651 * start_listen() callback. It should be noted that the received Probe
652 * Request frames must be indicated by calling p2p_probe_req_rx() even
653 * if this send_probe_resp() is not used.
655 int (*send_probe_resp)(void *ctx, const struct wpabuf *buf,
659 * send_action - Transmit an Action frame
660 * @ctx: Callback context from cb_ctx
661 * @freq: Frequency in MHz for the channel on which to transmit
662 * @dst: Destination MAC address (Address 1)
663 * @src: Source MAC address (Address 2)
664 * @bssid: BSSID (Address 3)
665 * @buf: Frame body (starting from Category field)
666 * @len: Length of buf in octets
667 * @wait_time: How many msec to wait for a response frame
668 * @scheduled: Return value indicating whether the transmissions was
669 * scheduled to happen once the radio is available
670 * Returns: 0 on success, -1 on failure
672 * The Action frame may not be transmitted immediately and the status
673 * of the transmission must be reported by calling
674 * p2p_send_action_cb() once the frame has either been transmitted or
675 * it has been dropped due to excessive retries or other failure to
678 int (*send_action)(void *ctx, unsigned int freq, const u8 *dst,
679 const u8 *src, const u8 *bssid, const u8 *buf,
680 size_t len, unsigned int wait_time, int *scheduled);
683 * send_action_done - Notify that Action frame sequence was completed
684 * @ctx: Callback context from cb_ctx
686 * This function is called when the Action frame sequence that was
687 * started with send_action() has been completed, i.e., when there is
688 * no need to wait for a response from the destination peer anymore.
690 void (*send_action_done)(void *ctx);
693 * start_listen - Start Listen state
694 * @ctx: Callback context from cb_ctx
695 * @freq: Frequency of the listen channel in MHz
696 * @duration: Duration for the Listen state in milliseconds
697 * @probe_resp_ie: IE(s) to be added to Probe Response frames
698 * Returns: 0 on success, -1 on failure
700 * This Listen state may not start immediately since the driver may
701 * have other pending operations to complete first. Once the Listen
702 * state has started, p2p_listen_cb() must be called to notify the P2P
703 * module. Once the Listen state is stopped, p2p_listen_end() must be
704 * called to notify the P2P module that the driver is not in the Listen
707 * If the send_probe_resp() is not used for generating the response,
708 * the IEs from probe_resp_ie need to be added to the end of the Probe
709 * Response frame body. If send_probe_resp() is used, the probe_resp_ie
710 * information can be ignored.
712 int (*start_listen)(void *ctx, unsigned int freq,
713 unsigned int duration,
714 const struct wpabuf *probe_resp_ie);
716 * stop_listen - Stop Listen state
717 * @ctx: Callback context from cb_ctx
719 * This callback can be used to stop a Listen state operation that was
720 * previously requested with start_listen().
722 void (*stop_listen)(void *ctx);
725 * get_noa - Get current Notice of Absence attribute payload
726 * @ctx: Callback context from cb_ctx
727 * @interface_addr: P2P Interface Address of the GO
728 * @buf: Buffer for returning NoA
729 * @buf_len: Buffer length in octets
730 * Returns: Number of octets used in buf, 0 to indicate no NoA is being
731 * advertized, or -1 on failure
733 * This function is used to fetch the current Notice of Absence
734 * attribute value from GO.
736 int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf,
739 /* Callbacks to notify events to upper layer management entity */
742 * dev_found - Notification of a found P2P Device
743 * @ctx: Callback context from cb_ctx
744 * @addr: Source address of the message triggering this notification
745 * @info: P2P peer information
746 * @new_device: Inform if the peer is newly found
748 * This callback is used to notify that a new P2P Device has been
749 * found. This may happen, e.g., during Search state based on scan
750 * results or during Listen state based on receive Probe Request and
751 * Group Owner Negotiation Request.
753 void (*dev_found)(void *ctx, const u8 *addr,
754 const struct p2p_peer_info *info,
758 * dev_lost - Notification of a lost P2P Device
759 * @ctx: Callback context from cb_ctx
760 * @dev_addr: P2P Device Address of the lost P2P Device
762 * This callback is used to notify that a P2P Device has been deleted.
764 void (*dev_lost)(void *ctx, const u8 *dev_addr);
767 * find_stopped - Notification of a p2p_find operation stopping
768 * @ctx: Callback context from cb_ctx
770 void (*find_stopped)(void *ctx);
773 * go_neg_req_rx - Notification of a receive GO Negotiation Request
774 * @ctx: Callback context from cb_ctx
775 * @src: Source address of the message triggering this notification
776 * @dev_passwd_id: WPS Device Password ID
777 * @go_intent: Peer's GO Intent
779 * This callback is used to notify that a P2P Device is requesting
780 * group owner negotiation with us, but we do not have all the
781 * necessary information to start GO Negotiation. This indicates that
782 * the local user has not authorized the connection yet by providing a
783 * PIN or PBC button press. This information can be provided with a
784 * call to p2p_connect().
786 void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id,
790 * go_neg_completed - Notification of GO Negotiation results
791 * @ctx: Callback context from cb_ctx
792 * @res: GO Negotiation results
794 * This callback is used to notify that Group Owner Negotiation has
795 * been completed. Non-zero struct p2p_go_neg_results::status indicates
796 * failed negotiation. In case of success, this function is responsible
797 * for creating a new group interface (or using the existing interface
798 * depending on driver features), setting up the group interface in
799 * proper mode based on struct p2p_go_neg_results::role_go and
800 * initializing WPS provisioning either as a Registrar (if GO) or as an
801 * Enrollee. Successful WPS provisioning must be indicated by calling
802 * p2p_wps_success_cb(). The callee is responsible for timing out group
803 * formation if WPS provisioning cannot be completed successfully
806 void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res);
809 * sd_request - Callback on Service Discovery Request
810 * @ctx: Callback context from cb_ctx
811 * @freq: Frequency (in MHz) of the channel
812 * @sa: Source address of the request
813 * @dialog_token: Dialog token
814 * @update_indic: Service Update Indicator from the source of request
815 * @tlvs: P2P Service Request TLV(s)
816 * @tlvs_len: Length of tlvs buffer in octets
818 * This callback is used to indicate reception of a service discovery
819 * request. Response to the query must be indicated by calling
820 * p2p_sd_response() with the context information from the arguments to
821 * this callback function.
823 * This callback handler can be set to %NULL to indicate that service
824 * discovery is not supported.
826 void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token,
827 u16 update_indic, const u8 *tlvs, size_t tlvs_len);
830 * sd_response - Callback on Service Discovery Response
831 * @ctx: Callback context from cb_ctx
832 * @sa: Source address of the request
833 * @update_indic: Service Update Indicator from the source of response
834 * @tlvs: P2P Service Response TLV(s)
835 * @tlvs_len: Length of tlvs buffer in octets
837 * This callback is used to indicate reception of a service discovery
838 * response. This callback handler can be set to %NULL if no service
839 * discovery requests are used. The information provided with this call
840 * is replies to the queries scheduled with p2p_sd_request().
842 void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic,
843 const u8 *tlvs, size_t tlvs_len);
846 * prov_disc_req - Callback on Provisiong Discovery Request
847 * @ctx: Callback context from cb_ctx
848 * @peer: Source address of the request
849 * @config_methods: Requested WPS Config Method
850 * @dev_addr: P2P Device Address of the found P2P Device
851 * @pri_dev_type: Primary Device Type
852 * @dev_name: Device Name
853 * @supp_config_methods: Supported configuration Methods
854 * @dev_capab: Device Capabilities
855 * @group_capab: Group Capabilities
856 * @group_id: P2P Group ID (or %NULL if not included)
857 * @group_id_len: Length of P2P Group ID
859 * This callback is used to indicate reception of a Provision Discovery
860 * Request frame that the P2P module accepted.
862 void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods,
863 const u8 *dev_addr, const u8 *pri_dev_type,
864 const char *dev_name, u16 supp_config_methods,
865 u8 dev_capab, u8 group_capab,
866 const u8 *group_id, size_t group_id_len);
869 * prov_disc_resp - Callback on Provisiong Discovery Response
870 * @ctx: Callback context from cb_ctx
871 * @peer: Source address of the response
872 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure
874 * This callback is used to indicate reception of a Provision Discovery
875 * Response frame for a pending request scheduled with
876 * p2p_prov_disc_req(). This callback handler can be set to %NULL if
877 * provision discovery is not used.
879 void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods);
882 * prov_disc_fail - Callback on Provision Discovery failure
883 * @ctx: Callback context from cb_ctx
884 * @peer: Source address of the response
885 * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS
886 * @adv_id: If non-zero, then the adv_id of the PD Request
887 * @adv_mac: P2P Device Address of the advertizer
888 * @deferred_session_resp: Deferred session response sent by advertizer
890 * This callback is used to indicate either a failure or no response
891 * to an earlier provision discovery request.
893 * This callback handler can be set to %NULL if provision discovery
894 * is not used or failures do not need to be indicated.
896 void (*prov_disc_fail)(void *ctx, const u8 *peer,
897 enum p2p_prov_disc_status status,
898 u32 adv_id, const u8 *adv_mac,
899 const char *deferred_session_resp);
902 * invitation_process - Optional callback for processing Invitations
903 * @ctx: Callback context from cb_ctx
904 * @sa: Source address of the Invitation Request
905 * @bssid: P2P Group BSSID from the request or %NULL if not included
906 * @go_dev_addr: GO Device Address from P2P Group ID
907 * @ssid: SSID from P2P Group ID
908 * @ssid_len: Length of ssid buffer in octets
909 * @go: Variable for returning whether the local end is GO in the group
910 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO)
911 * @force_freq: Variable for returning forced frequency for the group
912 * @persistent_group: Whether this is an invitation to reinvoke a
913 * persistent group (instead of invitation to join an active
915 * @channels: Available operating channels for the group
916 * @dev_pw_id: Device Password ID for NFC static handover or -1 if not
918 * Returns: Status code (P2P_SC_*)
920 * This optional callback can be used to implement persistent reconnect
921 * by allowing automatic restarting of persistent groups without user
922 * interaction. If this callback is not implemented (i.e., is %NULL),
923 * the received Invitation Request frames are replied with
924 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the
925 * invitation_result() callback.
927 * If the requested parameters are acceptable and the group is known,
928 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown,
929 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED
930 * can be returned if there is not enough data to provide immediate
931 * response, i.e., if some sort of user interaction is needed. The
932 * invitation_received() callback will be called in that case
933 * immediately after this call.
935 u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid,
936 const u8 *go_dev_addr, const u8 *ssid,
937 size_t ssid_len, int *go, u8 *group_bssid,
938 int *force_freq, int persistent_group,
939 const struct p2p_channels *channels,
943 * invitation_received - Callback on Invitation Request RX
944 * @ctx: Callback context from cb_ctx
945 * @sa: Source address of the Invitation Request
946 * @bssid: P2P Group BSSID or %NULL if not received
947 * @ssid: SSID of the group
948 * @ssid_len: Length of ssid in octets
949 * @go_dev_addr: GO Device Address
950 * @status: Response Status
951 * @op_freq: Operational frequency for the group
953 * This callback is used to indicate sending of an Invitation Response
954 * for a received Invitation Request. If status == 0 (success), the
955 * upper layer code is responsible for starting the group. status == 1
956 * indicates need to get user authorization for the group. Other status
957 * values indicate that the invitation request was rejected.
959 void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid,
960 const u8 *ssid, size_t ssid_len,
961 const u8 *go_dev_addr, u8 status,
965 * invitation_result - Callback on Invitation result
966 * @ctx: Callback context from cb_ctx
967 * @status: Negotiation result (Status Code)
968 * @bssid: P2P Group BSSID or %NULL if not received
969 * @channels: Available operating channels for the group
970 * @addr: Peer address
971 * @freq: Frequency (in MHz) indicated during invitation or 0
972 * @peer_oper_freq: Operating frequency (in MHz) advertized by the peer
973 * during invitation or 0
975 * This callback is used to indicate result of an Invitation procedure
976 * started with a call to p2p_invite(). The indicated status code is
977 * the value received from the peer in Invitation Response with 0
978 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a
979 * local failure in transmitting the Invitation Request.
981 void (*invitation_result)(void *ctx, int status, const u8 *bssid,
982 const struct p2p_channels *channels,
983 const u8 *addr, int freq, int peer_oper_freq);
986 * go_connected - Check whether we are connected to a GO
987 * @ctx: Callback context from cb_ctx
988 * @dev_addr: P2P Device Address of a GO
989 * Returns: 1 if we are connected as a P2P client to the specified GO
992 int (*go_connected)(void *ctx, const u8 *dev_addr);
995 * presence_resp - Callback on Presence Response
996 * @ctx: Callback context from cb_ctx
997 * @src: Source address (GO's P2P Interface Address)
998 * @status: Result of the request (P2P_SC_*)
999 * @noa: Returned NoA value
1000 * @noa_len: Length of the NoA buffer in octets
1002 void (*presence_resp)(void *ctx, const u8 *src, u8 status,
1003 const u8 *noa, size_t noa_len);
1006 * is_concurrent_session_active - Check whether concurrent session is
1007 * active on other virtual interfaces
1008 * @ctx: Callback context from cb_ctx
1009 * Returns: 1 if concurrent session is active on other virtual interface
1012 int (*is_concurrent_session_active)(void *ctx);
1015 * is_p2p_in_progress - Check whether P2P operation is in progress
1016 * @ctx: Callback context from cb_ctx
1017 * Returns: 1 if P2P operation (e.g., group formation) is in progress
1020 int (*is_p2p_in_progress)(void *ctx);
1023 * Determine if we have a persistent group we share with remote peer
1024 * and allocate interface for this group if needed
1025 * @ctx: Callback context from cb_ctx
1026 * @addr: Peer device address to search for
1027 * @ssid: Persistent group SSID or %NULL if any
1028 * @ssid_len: Length of @ssid
1029 * @go_dev_addr: Buffer for returning GO P2P Device Address
1030 * @ret_ssid: Buffer for returning group SSID
1031 * @ret_ssid_len: Buffer for returning length of @ssid
1032 * @intended_iface_addr: Buffer for returning intended iface address
1033 * Returns: 1 if a matching persistent group was found, 0 otherwise
1035 int (*get_persistent_group)(void *ctx, const u8 *addr, const u8 *ssid,
1036 size_t ssid_len, u8 *go_dev_addr,
1037 u8 *ret_ssid, size_t *ret_ssid_len,
1038 u8 *intended_iface_addr);
1041 * Get information about a possible local GO role
1042 * @ctx: Callback context from cb_ctx
1043 * @intended_addr: Buffer for returning intended GO interface address
1044 * @ssid: Buffer for returning group SSID
1045 * @ssid_len: Buffer for returning length of @ssid
1046 * @group_iface: Buffer for returning whether a separate group interface
1048 * @freq: Variable for returning the current operating frequency of a
1049 * currently running P2P GO.
1050 * Returns: 1 if GO info found, 0 otherwise
1052 * This is used to compose New Group settings (SSID, and intended
1053 * address) during P2PS provisioning if results of provisioning *might*
1054 * result in our being an autonomous GO.
1056 int (*get_go_info)(void *ctx, u8 *intended_addr,
1057 u8 *ssid, size_t *ssid_len, int *group_iface,
1058 unsigned int *freq);
1061 * remove_stale_groups - Remove stale P2PS groups
1063 * Because P2PS stages *potential* GOs, and remote devices can remove
1064 * credentials unilaterally, we need to make sure we don't let stale
1065 * unusable groups build up.
1067 int (*remove_stale_groups)(void *ctx, const u8 *peer, const u8 *go,
1068 const u8 *ssid, size_t ssid_len);
1071 * p2ps_prov_complete - P2PS provisioning complete
1073 * When P2PS provisioning completes (successfully or not) we must
1074 * transmit all of the results to the upper layers.
1076 void (*p2ps_prov_complete)(void *ctx, u8 status, const u8 *dev,
1077 const u8 *adv_mac, const u8 *ses_mac,
1078 const u8 *grp_mac, u32 adv_id, u32 ses_id,
1079 u8 conncap, int passwd_id,
1080 const u8 *persist_ssid,
1081 size_t persist_ssid_size, int response_done,
1082 int prov_start, const char *session_info,
1083 const u8 *feat_cap, size_t feat_cap_len,
1084 unsigned int freq, const u8 *group_ssid,
1085 size_t group_ssid_len);
1088 * prov_disc_resp_cb - Callback for indicating completion of PD Response
1089 * @ctx: Callback context from cb_ctx
1090 * Returns: 1 if operation was started, 0 otherwise
1092 * This callback can be used to perform any pending actions after
1093 * provisioning. It is mainly used for P2PS pending group creation.
1095 int (*prov_disc_resp_cb)(void *ctx);
1098 * p2ps_group_capability - Determine group capability
1099 * @ctx: Callback context from cb_ctx
1100 * @incoming: Peer requested roles, expressed with P2PS_SETUP_* bitmap.
1101 * @role: Local roles, expressed with P2PS_SETUP_* bitmap.
1102 * @force_freq: Variable for returning forced frequency for the group.
1103 * @pref_freq: Variable for returning preferred frequency for the group.
1104 * Returns: P2PS_SETUP_* bitmap of group capability result.
1106 * This function can be used to determine group capability and
1107 * frequencies based on information from P2PS PD exchange and the
1108 * current state of ongoing groups and driver capabilities.
1110 u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role,
1111 unsigned int *force_freq,
1112 unsigned int *pref_freq);
1115 * get_pref_freq_list - Get preferred frequency list for an interface
1116 * @ctx: Callback context from cb_ctx
1117 * @go: Whether the use if for GO role
1118 * @len: Length of freq_list in entries (both IN and OUT)
1119 * @freq_list: Buffer for returning the preferred frequencies (MHz)
1120 * Returns: 0 on success, -1 on failure
1122 * This function can be used to query the preferred frequency list from
1123 * the driver specific to a particular interface type.
1125 int (*get_pref_freq_list)(void *ctx, int go,
1126 unsigned int *len, unsigned int *freq_list);
1130 /* P2P module initialization/deinitialization */
1133 * p2p_init - Initialize P2P module
1134 * @cfg: P2P module configuration
1135 * Returns: Pointer to private data or %NULL on failure
1137 * This function is used to initialize global P2P module context (one per
1138 * device). The P2P module will keep a copy of the configuration data, so the
1139 * caller does not need to maintain this structure. However, the callback
1140 * functions and the context parameters to them must be kept available until
1141 * the P2P module is deinitialized with p2p_deinit().
1143 struct p2p_data * p2p_init(const struct p2p_config *cfg);
1146 * p2p_deinit - Deinitialize P2P module
1147 * @p2p: P2P module context from p2p_init()
1149 void p2p_deinit(struct p2p_data *p2p);
1152 * p2p_flush - Flush P2P module state
1153 * @p2p: P2P module context from p2p_init()
1155 * This command removes the P2P module state like peer device entries.
1157 void p2p_flush(struct p2p_data *p2p);
1160 * p2p_unauthorize - Unauthorize the specified peer device
1161 * @p2p: P2P module context from p2p_init()
1162 * @addr: P2P peer entry to be unauthorized
1163 * Returns: 0 on success, -1 on failure
1165 * This command removes any connection authorization from the specified P2P
1166 * peer device address. This can be used, e.g., to cancel effect of a previous
1167 * p2p_authorize() or p2p_connect() call that has not yet resulted in completed
1170 int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr);
1173 * p2p_set_dev_name - Set device name
1174 * @p2p: P2P module context from p2p_init()
1175 * Returns: 0 on success, -1 on failure
1177 * This function can be used to update the P2P module configuration with
1178 * information that was not available at the time of the p2p_init() call.
1180 int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name);
1182 int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer);
1183 int p2p_set_model_name(struct p2p_data *p2p, const char *model_name);
1184 int p2p_set_model_number(struct p2p_data *p2p, const char *model_number);
1185 int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number);
1187 void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods);
1188 void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid);
1191 * p2p_set_pri_dev_type - Set primary device type
1192 * @p2p: P2P module context from p2p_init()
1193 * Returns: 0 on success, -1 on failure
1195 * This function can be used to update the P2P module configuration with
1196 * information that was not available at the time of the p2p_init() call.
1198 int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type);
1201 * p2p_set_sec_dev_types - Set secondary device types
1202 * @p2p: P2P module context from p2p_init()
1203 * Returns: 0 on success, -1 on failure
1205 * This function can be used to update the P2P module configuration with
1206 * information that was not available at the time of the p2p_init() call.
1208 int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
1209 size_t num_dev_types);
1211 int p2p_set_country(struct p2p_data *p2p, const char *country);
1214 /* Commands from upper layer management entity */
1216 enum p2p_discovery_type {
1217 P2P_FIND_START_WITH_FULL,
1218 P2P_FIND_ONLY_SOCIAL,
1219 P2P_FIND_PROGRESSIVE
1223 * p2p_find - Start P2P Find (Device Discovery)
1224 * @p2p: P2P module context from p2p_init()
1225 * @timeout: Timeout for find operation in seconds or 0 for no timeout
1226 * @type: Device Discovery type
1227 * @num_req_dev_types: Number of requested device types
1228 * @req_dev_types: Requested device types array, must be an array
1229 * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no
1230 * requested device types.
1231 * @dev_id: Device ID to search for or %NULL to find all devices
1232 * @search_delay: Extra delay in milliseconds between search iterations
1233 * @seek_count: Number of ASP Service Strings in the seek_string array
1234 * @seek_string: ASP Service Strings to query for in Probe Requests
1235 * @freq: Requested first scan frequency (in MHz) to modify type ==
1236 * P2P_FIND_START_WITH_FULL behavior. 0 = Use normal full scan.
1237 * If p2p_find is already in progress, this parameter is ignored and full
1238 * scan will be executed.
1239 * Returns: 0 on success, -1 on failure
1241 int p2p_find(struct p2p_data *p2p, unsigned int timeout,
1242 enum p2p_discovery_type type,
1243 unsigned int num_req_dev_types, const u8 *req_dev_types,
1244 const u8 *dev_id, unsigned int search_delay,
1245 u8 seek_count, const char **seek_string, int freq);
1248 * p2p_notify_scan_trigger_status - Indicate scan trigger status
1249 * @p2p: P2P module context from p2p_init()
1250 * @status: 0 on success, -1 on failure
1252 void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status);
1255 * p2p_stop_find - Stop P2P Find (Device Discovery)
1256 * @p2p: P2P module context from p2p_init()
1258 void p2p_stop_find(struct p2p_data *p2p);
1261 * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq
1262 * @p2p: P2P module context from p2p_init()
1263 * @freq: Frequency in MHz for next operation
1265 * This is like p2p_stop_find(), but Listen state is not stopped if we are
1266 * already on the same frequency.
1268 void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq);
1271 * p2p_listen - Start P2P Listen state for specified duration
1272 * @p2p: P2P module context from p2p_init()
1273 * @timeout: Listen state duration in milliseconds
1274 * Returns: 0 on success, -1 on failure
1276 * This function can be used to request the P2P module to keep the device
1277 * discoverable on the listen channel for an extended set of time. At least in
1278 * its current form, this is mainly used for testing purposes and may not be of
1279 * much use for normal P2P operations.
1281 int p2p_listen(struct p2p_data *p2p, unsigned int timeout);
1284 * p2p_stop_listen - Stop P2P Listen
1285 * @p2p: P2P module context from p2p_init()
1287 void p2p_stop_listen(struct p2p_data *p2p);
1290 * p2p_connect - Start P2P group formation (GO negotiation)
1291 * @p2p: P2P module context from p2p_init()
1292 * @peer_addr: MAC address of the peer P2P client
1293 * @wps_method: WPS method to be used in provisioning
1294 * @go_intent: Local GO intent value (1..15)
1295 * @own_interface_addr: Intended interface address to use with the group
1296 * @force_freq: The only allowed channel frequency in MHz or 0
1297 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1298 * persistent group without persistent reconnect, 2 = persistent group with
1299 * persistent reconnect)
1300 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1302 * @force_ssid_len: Length of $force_ssid buffer
1303 * @pd_before_go_neg: Whether to send Provision Discovery prior to GO
1304 * Negotiation as an interoperability workaround when initiating group
1306 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1308 * Returns: 0 on success, -1 on failure
1310 int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
1311 enum p2p_wps_method wps_method,
1312 int go_intent, const u8 *own_interface_addr,
1313 unsigned int force_freq, int persistent_group,
1314 const u8 *force_ssid, size_t force_ssid_len,
1315 int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id);
1318 * p2p_authorize - Authorize P2P group formation (GO negotiation)
1319 * @p2p: P2P module context from p2p_init()
1320 * @peer_addr: MAC address of the peer P2P client
1321 * @wps_method: WPS method to be used in provisioning
1322 * @go_intent: Local GO intent value (1..15)
1323 * @own_interface_addr: Intended interface address to use with the group
1324 * @force_freq: The only allowed channel frequency in MHz or 0
1325 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
1326 * persistent group without persistent reconnect, 2 = persistent group with
1327 * persistent reconnect)
1328 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
1330 * @force_ssid_len: Length of $force_ssid buffer
1331 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1333 * Returns: 0 on success, -1 on failure
1335 * This is like p2p_connect(), but the actual group negotiation is not
1336 * initiated automatically, i.e., the other end is expected to do that.
1338 int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
1339 enum p2p_wps_method wps_method,
1340 int go_intent, const u8 *own_interface_addr,
1341 unsigned int force_freq, int persistent_group,
1342 const u8 *force_ssid, size_t force_ssid_len,
1343 unsigned int pref_freq, u16 oob_pw_id);
1346 * p2p_reject - Reject peer device (explicitly block connection attempts)
1347 * @p2p: P2P module context from p2p_init()
1348 * @peer_addr: MAC address of the peer P2P client
1349 * Returns: 0 on success, -1 on failure
1351 int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr);
1354 * p2p_prov_disc_req - Send Provision Discovery Request
1355 * @p2p: P2P module context from p2p_init()
1356 * @peer_addr: MAC address of the peer P2P client
1357 * @p2ps_prov: Provisioning info for P2PS
1358 * @config_methods: WPS Config Methods value (only one bit set)
1359 * @join: Whether this is used by a client joining an active group
1360 * @force_freq: Forced TX frequency for the frame (mainly for the join case)
1361 * @user_initiated_pd: Flag to indicate if initiated by user or not
1362 * Returns: 0 on success, -1 on failure
1364 * This function can be used to request a discovered P2P peer to display a PIN
1365 * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us
1366 * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame
1367 * is transmitted once immediately and if no response is received, the frame
1368 * will be sent again whenever the target device is discovered during device
1369 * dsicovery (start with a p2p_find() call). Response from the peer is
1370 * indicated with the p2p_config::prov_disc_resp() callback.
1372 int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
1373 struct p2ps_provision *p2ps_prov, u16 config_methods,
1374 int join, int force_freq,
1375 int user_initiated_pd);
1378 * p2p_sd_request - Schedule a service discovery query
1379 * @p2p: P2P module context from p2p_init()
1380 * @dst: Destination peer or %NULL to apply for all peers
1381 * @tlvs: P2P Service Query TLV(s)
1382 * Returns: Reference to the query or %NULL on failure
1384 * Response to the query is indicated with the p2p_config::sd_response()
1387 void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
1388 const struct wpabuf *tlvs);
1390 #ifdef CONFIG_WIFI_DISPLAY
1391 void * p2p_sd_request_wfd(struct p2p_data *p2p, const u8 *dst,
1392 const struct wpabuf *tlvs);
1393 #endif /* CONFIG_WIFI_DISPLAY */
1396 * p2p_sd_cancel_request - Cancel a pending service discovery query
1397 * @p2p: P2P module context from p2p_init()
1398 * @req: Query reference from p2p_sd_request()
1399 * Returns: 0 if request for cancelled; -1 if not found
1401 int p2p_sd_cancel_request(struct p2p_data *p2p, void *req);
1404 * p2p_sd_response - Send response to a service discovery query
1405 * @p2p: P2P module context from p2p_init()
1406 * @freq: Frequency from p2p_config::sd_request() callback
1407 * @dst: Destination address from p2p_config::sd_request() callback
1408 * @dialog_token: Dialog token from p2p_config::sd_request() callback
1409 * @resp_tlvs: P2P Service Response TLV(s)
1411 * This function is called as a response to the request indicated with
1412 * p2p_config::sd_request() callback.
1414 void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst,
1415 u8 dialog_token, const struct wpabuf *resp_tlvs);
1418 * p2p_sd_service_update - Indicate a change in local services
1419 * @p2p: P2P module context from p2p_init()
1421 * This function needs to be called whenever there is a change in availability
1422 * of the local services. This will increment the Service Update Indicator
1423 * value which will be used in SD Request and Response frames.
1425 void p2p_sd_service_update(struct p2p_data *p2p);
1428 enum p2p_invite_role {
1430 P2P_INVITE_ROLE_ACTIVE_GO,
1431 P2P_INVITE_ROLE_CLIENT
1435 * p2p_invite - Invite a P2P Device into a group
1436 * @p2p: P2P module context from p2p_init()
1437 * @peer: Device Address of the peer P2P Device
1438 * @role: Local role in the group
1439 * @bssid: Group BSSID or %NULL if not known
1441 * @ssid_len: Length of ssid in octets
1442 * @force_freq: The only allowed channel frequency in MHz or 0
1443 * @go_dev_addr: Forced GO Device Address or %NULL if none
1444 * @persistent_group: Whether this is to reinvoke a persistent group
1445 * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if
1447 * @dev_pw_id: Device Password ID from OOB Device Password (NFC) static handover
1448 * case or -1 if not used
1449 * Returns: 0 on success, -1 on failure
1451 int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
1452 const u8 *bssid, const u8 *ssid, size_t ssid_len,
1453 unsigned int force_freq, const u8 *go_dev_addr,
1454 int persistent_group, unsigned int pref_freq, int dev_pw_id);
1457 * p2p_presence_req - Request GO presence
1458 * @p2p: P2P module context from p2p_init()
1459 * @go_interface_addr: GO P2P Interface Address
1460 * @own_interface_addr: Own P2P Interface Address for this group
1461 * @freq: Group operating frequence (in MHz)
1462 * @duration1: Preferred presence duration in microseconds
1463 * @interval1: Preferred presence interval in microseconds
1464 * @duration2: Acceptable presence duration in microseconds
1465 * @interval2: Acceptable presence interval in microseconds
1466 * Returns: 0 on success, -1 on failure
1468 * If both duration and interval values are zero, the parameter pair is not
1469 * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0).
1471 int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
1472 const u8 *own_interface_addr, unsigned int freq,
1473 u32 duration1, u32 interval1, u32 duration2,
1477 * p2p_ext_listen - Set Extended Listen Timing
1478 * @p2p: P2P module context from p2p_init()
1479 * @freq: Group operating frequence (in MHz)
1480 * @period: Availability period in milliseconds (1-65535; 0 to disable)
1481 * @interval: Availability interval in milliseconds (1-65535; 0 to disable)
1482 * Returns: 0 on success, -1 on failure
1484 * This function can be used to enable or disable (period = interval = 0)
1485 * Extended Listen Timing. When enabled, the P2P Device will become
1486 * discoverable (go into Listen State) every @interval milliseconds for at
1487 * least @period milliseconds.
1489 int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
1490 unsigned int interval);
1492 /* Event notifications from upper layer management operations */
1495 * p2p_wps_success_cb - Report successfully completed WPS provisioning
1496 * @p2p: P2P module context from p2p_init()
1497 * @mac_addr: Peer address
1499 * This function is used to report successfully completed WPS provisioning
1500 * during group formation in both GO/Registrar and client/Enrollee roles.
1502 void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr);
1505 * p2p_group_formation_failed - Report failed WPS provisioning
1506 * @p2p: P2P module context from p2p_init()
1508 * This function is used to report failed group formation. This can happen
1509 * either due to failed WPS provisioning or due to 15 second timeout during
1510 * the provisioning phase.
1512 void p2p_group_formation_failed(struct p2p_data *p2p);
1515 * p2p_get_provisioning_info - Get any stored provisioning info
1516 * @p2p: P2P module context from p2p_init()
1517 * @addr: Peer P2P Device Address
1518 * Returns: WPS provisioning information (WPS config method) or 0 if no
1519 * information is available
1521 * This function is used to retrieve stored WPS provisioning info for the given
1524 u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1527 * p2p_clear_provisioning_info - Clear any stored provisioning info
1528 * @p2p: P2P module context from p2p_init()
1529 * @iface_addr: Peer P2P Device Address
1531 * This function is used to clear stored WPS provisioning info for the given
1534 void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1537 /* Event notifications from lower layer driver operations */
1540 * enum p2p_probe_req_status
1542 * @P2P_PREQ_MALFORMED: frame was not well-formed
1543 * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored
1544 * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request
1545 * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed
1546 * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P
1548 enum p2p_probe_req_status {
1550 P2P_PREQ_NOT_LISTEN,
1552 P2P_PREQ_NOT_PROCESSED,
1557 * p2p_probe_req_rx - Report reception of a Probe Request frame
1558 * @p2p: P2P module context from p2p_init()
1559 * @addr: Source MAC address
1560 * @dst: Destination MAC address if available or %NULL
1561 * @bssid: BSSID if available or %NULL
1562 * @ie: Information elements from the Probe Request frame body
1563 * @ie_len: Length of ie buffer in octets
1564 * @rx_freq: Probe Request frame RX frequency
1565 * @p2p_lo_started: Whether P2P Listen Offload is started
1566 * Returns: value indicating the type and status of the probe request
1568 enum p2p_probe_req_status
1569 p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
1570 const u8 *bssid, const u8 *ie, size_t ie_len,
1571 unsigned int rx_freq, int p2p_lo_started);
1574 * p2p_rx_action - Report received Action frame
1575 * @p2p: P2P module context from p2p_init()
1576 * @da: Destination address of the received Action frame
1577 * @sa: Source address of the received Action frame
1578 * @bssid: Address 3 of the received Action frame
1579 * @category: Category of the received Action frame
1580 * @data: Action frame body after the Category field
1581 * @len: Length of the data buffer in octets
1582 * @freq: Frequency (in MHz) on which the frame was received
1584 void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
1585 const u8 *bssid, u8 category,
1586 const u8 *data, size_t len, int freq);
1589 * p2p_scan_res_handler - Indicate a P2P scan results
1590 * @p2p: P2P module context from p2p_init()
1591 * @bssid: BSSID of the scan result
1592 * @freq: Frequency of the channel on which the device was found in MHz
1593 * @rx_time: Time when the result was received
1594 * @level: Signal level (signal strength of the received Beacon/Probe Response
1596 * @ies: Pointer to IEs from the scan result
1597 * @ies_len: Length of the ies buffer
1598 * Returns: 0 to continue or 1 to stop scan result indication
1600 * This function is called to indicate a scan result entry with P2P IE from a
1601 * scan requested with struct p2p_config::p2p_scan(). This can be called during
1602 * the actual scan process (i.e., whenever a new device is found) or as a
1603 * sequence of calls after the full scan has been completed. The former option
1604 * can result in optimized operations, but may not be supported by all
1605 * driver/firmware designs. The ies buffer need to include at least the P2P IE,
1606 * but it is recommended to include all IEs received from the device. The
1607 * caller does not need to check that the IEs contain a P2P IE before calling
1608 * this function since frames will be filtered internally if needed.
1610 * This function will return 1 if it wants to stop scan result iteration (and
1611 * scan in general if it is still in progress). This is used to allow faster
1612 * start of a pending operation, e.g., to start a pending GO negotiation.
1614 int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
1615 struct os_reltime *rx_time, int level, const u8 *ies,
1619 * p2p_scan_res_handled - Indicate end of scan results
1620 * @p2p: P2P module context from p2p_init()
1622 * This function is called to indicate that all P2P scan results from a scan
1623 * have been reported with zero or more calls to p2p_scan_res_handler(). This
1624 * function must be called as a response to successful
1625 * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler()
1626 * calls stopped iteration.
1628 void p2p_scan_res_handled(struct p2p_data *p2p);
1630 enum p2p_send_action_result {
1631 P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
1632 P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */,
1633 P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
1637 * p2p_send_action_cb - Notify TX status of an Action frame
1638 * @p2p: P2P module context from p2p_init()
1639 * @freq: Channel frequency in MHz
1640 * @dst: Destination MAC address (Address 1)
1641 * @src: Source MAC address (Address 2)
1642 * @bssid: BSSID (Address 3)
1643 * @result: Result of the transmission attempt
1645 * This function is used to indicate the result of an Action frame transmission
1646 * that was requested with struct p2p_config::send_action() callback.
1648 void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
1649 const u8 *src, const u8 *bssid,
1650 enum p2p_send_action_result result);
1653 * p2p_listen_cb - Indicate the start of a requested Listen state
1654 * @p2p: P2P module context from p2p_init()
1655 * @freq: Listen channel frequency in MHz
1656 * @duration: Duration for the Listen state in milliseconds
1658 * This function is used to indicate that a Listen state requested with
1659 * struct p2p_config::start_listen() callback has started.
1661 void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
1662 unsigned int duration);
1665 * p2p_listen_end - Indicate the end of a requested Listen state
1666 * @p2p: P2P module context from p2p_init()
1667 * @freq: Listen channel frequency in MHz
1668 * Returns: 0 if no operations were started, 1 if an operation was started
1670 * This function is used to indicate that a Listen state requested with
1671 * struct p2p_config::start_listen() callback has ended.
1673 int p2p_listen_end(struct p2p_data *p2p, unsigned int freq);
1675 void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1676 const u8 *ie, size_t ie_len);
1678 void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1679 const u8 *ie, size_t ie_len);
1682 /* Per-group P2P state for GO */
1687 * struct p2p_group_config - P2P group configuration
1689 * This configuration is provided to the P2P module during initialization of
1690 * the per-group information with p2p_group_init().
1692 struct p2p_group_config {
1694 * persistent_group - Whether the group is persistent
1695 * 0 = not a persistent group
1696 * 1 = persistent group without persistent reconnect
1697 * 2 = persistent group with persistent reconnect
1699 int persistent_group;
1702 * interface_addr - P2P Interface Address of the group
1704 u8 interface_addr[ETH_ALEN];
1707 * max_clients - Maximum number of clients in the group
1709 unsigned int max_clients;
1714 u8 ssid[SSID_MAX_LEN];
1717 * ssid_len - Length of SSID
1722 * freq - Operating channel of the group
1727 * ip_addr_alloc - Whether IP address allocation within 4-way handshake
1733 * cb_ctx - Context to use with callback functions
1738 * ie_update - Notification of IE update
1739 * @ctx: Callback context from cb_ctx
1740 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change
1741 * @proberesp_ies: P2P Ie for Probe Response frames
1743 * P2P module uses this callback function to notify whenever the P2P IE
1744 * in Beacon or Probe Response frames should be updated based on group
1747 * The callee is responsible for freeing the returned buffer(s) with
1750 void (*ie_update)(void *ctx, struct wpabuf *beacon_ies,
1751 struct wpabuf *proberesp_ies);
1754 * idle_update - Notification of changes in group idle state
1755 * @ctx: Callback context from cb_ctx
1756 * @idle: Whether the group is idle (no associated stations)
1758 void (*idle_update)(void *ctx, int idle);
1762 * p2p_group_init - Initialize P2P group
1763 * @p2p: P2P module context from p2p_init()
1764 * @config: P2P group configuration (will be freed by p2p_group_deinit())
1765 * Returns: Pointer to private data or %NULL on failure
1767 * This function is used to initialize per-group P2P module context. Currently,
1768 * this is only used to manage GO functionality and P2P clients do not need to
1769 * create an instance of this per-group information.
1771 struct p2p_group * p2p_group_init(struct p2p_data *p2p,
1772 struct p2p_group_config *config);
1775 * p2p_group_deinit - Deinitialize P2P group
1776 * @group: P2P group context from p2p_group_init()
1778 void p2p_group_deinit(struct p2p_group *group);
1781 * p2p_group_notif_assoc - Notification of P2P client association with GO
1782 * @group: P2P group context from p2p_group_init()
1783 * @addr: Interface address of the P2P client
1784 * @ie: IEs from the (Re)association Request frame
1785 * @len: Length of the ie buffer in octets
1786 * Returns: 0 on success, -1 on failure
1788 int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
1789 const u8 *ie, size_t len);
1792 * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response
1793 * @group: P2P group context from p2p_group_init()
1794 * @status: Status value (P2P_SC_SUCCESS if association succeeded)
1795 * Returns: P2P IE for (Re)association Response or %NULL on failure
1797 * The caller is responsible for freeing the returned buffer with
1800 struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status);
1803 * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO
1804 * @group: P2P group context from p2p_group_init()
1805 * @addr: Interface address of the P2P client
1807 void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr);
1810 * p2p_group_notif_formation_done - Notification of completed group formation
1811 * @group: P2P group context from p2p_group_init()
1813 void p2p_group_notif_formation_done(struct p2p_group *group);
1816 * p2p_group_notif_noa - Notification of NoA change
1817 * @group: P2P group context from p2p_group_init()
1818 * @noa: Notice of Absence attribute payload, %NULL if none
1819 * @noa_len: Length of noa buffer in octets
1820 * Returns: 0 on success, -1 on failure
1822 * Notify the P2P group management about a new NoA contents. This will be
1823 * inserted into the P2P IEs in Beacon and Probe Response frames with rest of
1824 * the group information.
1826 int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
1830 * p2p_group_match_dev_type - Match device types in group with requested type
1831 * @group: P2P group context from p2p_group_init()
1832 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
1833 * Returns: 1 on match, 0 on mismatch
1835 * This function can be used to match the Requested Device Type attribute in
1836 * WPS IE with the device types of a group member for deciding whether a GO
1837 * should reply to a Probe Request frame. Match will be reported if the WPS IE
1838 * is not requested any specific device type.
1840 int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps);
1843 * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id
1845 int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p);
1848 * p2p_group_go_discover - Send GO Discoverability Request to a group client
1849 * @group: P2P group context from p2p_group_init()
1850 * Returns: 0 on success (frame scheduled); -1 if client was not found
1852 int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
1853 const u8 *searching_dev, int rx_freq);
1856 /* Generic helper functions */
1859 * p2p_ie_text - Build text format description of P2P IE
1861 * @buf: Buffer for returning text
1862 * @end: Pointer to the end of the buf area
1863 * Returns: Number of octets written to the buffer or -1 on failure
1865 * This function can be used to parse P2P IE contents into text format
1866 * field=value lines.
1868 int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end);
1871 * p2p_scan_result_text - Build text format description of P2P IE
1872 * @ies: Information elements from scan results
1873 * @ies_len: ies buffer length in octets
1874 * @buf: Buffer for returning text
1875 * @end: Pointer to the end of the buf area
1876 * Returns: Number of octets written to the buffer or -1 on failure
1878 * This function can be used to parse P2P IE contents into text format
1879 * field=value lines.
1881 int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end);
1884 * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated
1887 * @dev_addr: Buffer for returning P2P Device Address
1888 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1890 int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr);
1893 * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s)
1894 * @ies: Information elements from scan results
1895 * @ies_len: ies buffer length in octets
1896 * @dev_addr: Buffer for returning P2P Device Address
1897 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1899 int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr);
1902 * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame
1903 * @p2p: P2P module context from p2p_init()
1905 * @buf: Buffer for writing the P2P IE
1906 * @len: Maximum buf length in octets
1907 * @p2p_group: Whether this is for association with a P2P GO
1908 * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none
1909 * Returns: Number of octets written into buf or -1 on failure
1911 int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
1912 size_t len, int p2p_group, struct wpabuf *p2p_ie);
1915 * p2p_scan_ie - Build P2P IE for Probe Request
1916 * @p2p: P2P module context from p2p_init()
1917 * @ies: Buffer for writing P2P IE
1918 * @dev_id: Device ID to search for or %NULL for any
1919 * @bands: Frequency bands used in the scan (enum wpa_radio_work_band bitmap)
1921 void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id,
1922 unsigned int bands);
1925 * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie
1926 * @p2p: P2P module context from p2p_init()
1927 * Returns: Number of octets that p2p_scan_ie() may add to the buffer
1929 size_t p2p_scan_ie_buf_len(struct p2p_data *p2p);
1932 * p2p_go_params - Generate random P2P group parameters
1933 * @p2p: P2P module context from p2p_init()
1934 * @params: Buffer for parameters
1935 * Returns: 0 on success, -1 on failure
1937 int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params);
1940 * p2p_get_group_capab - Get Group Capability from P2P IE data
1941 * @p2p_ie: P2P IE(s) contents
1942 * Returns: Group Capability
1944 u8 p2p_get_group_capab(const struct wpabuf *p2p_ie);
1947 * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection
1948 * @p2p_ie: P2P IE(s) contents
1949 * Returns: 0 if cross connection is allow, 1 if not
1951 int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie);
1954 * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data
1955 * @p2p_ie: P2P IE(s) contents
1956 * Returns: Pointer to P2P Device Address or %NULL if not included
1958 const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie);
1961 * p2p_get_peer_info - Get P2P peer information
1962 * @p2p: P2P module context from p2p_init()
1963 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
1964 * @next: Whether to select the peer entry following the one indicated by addr
1965 * Returns: Pointer to peer info or %NULL if not found
1967 const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p,
1968 const u8 *addr, int next);
1971 * p2p_get_peer_info_txt - Get internal P2P peer information in text format
1972 * @info: Pointer to P2P peer info from p2p_get_peer_info()
1973 * @buf: Buffer for returning text
1974 * @buflen: Maximum buffer length
1975 * Returns: Number of octets written to the buffer or -1 on failure
1977 * Note: This information is internal to the P2P module and subject to change.
1978 * As such, this should not really be used by external programs for purposes
1979 * other than debugging.
1981 int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
1982 char *buf, size_t buflen);
1985 * p2p_peer_known - Check whether P2P peer is known
1986 * @p2p: P2P module context from p2p_init()
1987 * @addr: P2P Device Address of the peer
1988 * Returns: 1 if the specified device is in the P2P peer table or 0 if not
1990 int p2p_peer_known(struct p2p_data *p2p, const u8 *addr);
1993 * p2p_set_client_discoverability - Set client discoverability capability
1994 * @p2p: P2P module context from p2p_init()
1995 * @enabled: Whether client discoverability will be enabled
1997 * This function can be used to disable (and re-enable) client discoverability.
1998 * This capability is enabled by default and should not be disabled in normal
1999 * use cases, i.e., this is mainly for testing purposes.
2001 void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled);
2004 * p2p_set_managed_oper - Set managed P2P Device operations capability
2005 * @p2p: P2P module context from p2p_init()
2006 * @enabled: Whether managed P2P Device operations will be enabled
2008 void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
2011 * p2p_config_get_random_social - Return a random social channel
2013 * @op_class: Selected operating class
2014 * @op_channel: Selected social channel
2015 * @avoid_list: Channel ranges to try to avoid or %NULL
2016 * @disallow_list: Channel ranges to discard or %NULL
2017 * Returns: 0 on success, -1 on failure
2019 * This function is used before p2p_init is called. A random social channel
2020 * from supports bands 2.4 GHz (channels 1,6,11) and 60 GHz (channel 2) is
2021 * returned on success.
2023 int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class,
2025 struct wpa_freq_range_list *avoid_list,
2026 struct wpa_freq_range_list *disallow_list);
2028 int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel,
2031 u8 p2p_get_listen_channel(struct p2p_data *p2p);
2033 int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
2035 int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
2037 int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
2040 void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr);
2043 * p2p_set_cross_connect - Set cross connection capability
2044 * @p2p: P2P module context from p2p_init()
2045 * @enabled: Whether cross connection will be enabled
2047 void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
2049 int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
2052 * p2p_set_intra_bss_dist - Set intra BSS distribution
2053 * @p2p: P2P module context from p2p_init()
2054 * @enabled: Whether intra BSS distribution will be enabled
2056 void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
2058 int p2p_channels_includes_freq(const struct p2p_channels *channels,
2061 int p2p_channels_to_freqs(const struct p2p_channels *channels,
2062 int *freq_list, unsigned int max_len);
2065 * p2p_supported_freq - Check whether channel is supported for P2P
2066 * @p2p: P2P module context from p2p_init()
2067 * @freq: Channel frequency in MHz
2068 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
2070 int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
2073 * p2p_supported_freq_go - Check whether channel is supported for P2P GO operation
2074 * @p2p: P2P module context from p2p_init()
2075 * @freq: Channel frequency in MHz
2076 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
2078 int p2p_supported_freq_go(struct p2p_data *p2p, unsigned int freq);
2081 * p2p_supported_freq_cli - Check whether channel is supported for P2P client operation
2082 * @p2p: P2P module context from p2p_init()
2083 * @freq: Channel frequency in MHz
2084 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
2086 int p2p_supported_freq_cli(struct p2p_data *p2p, unsigned int freq);
2089 * p2p_get_pref_freq - Get channel from preferred channel list
2090 * @p2p: P2P module context from p2p_init()
2091 * @channels: List of channels
2092 * Returns: Preferred channel
2094 unsigned int p2p_get_pref_freq(struct p2p_data *p2p,
2095 const struct p2p_channels *channels);
2097 void p2p_update_channel_list(struct p2p_data *p2p,
2098 const struct p2p_channels *chan,
2099 const struct p2p_channels *cli_chan);
2102 * p2p_set_best_channels - Update best channel information
2103 * @p2p: P2P module context from p2p_init()
2104 * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band
2105 * @freq_5: Frequency (MHz) of best channel in 5 GHz band
2106 * @freq_overall: Frequency (MHz) of best channel overall
2108 void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
2112 * p2p_set_own_freq_preference - Set own preference for channel
2113 * @p2p: P2P module context from p2p_init()
2114 * @freq: Frequency (MHz) of the preferred channel or 0 if no preference
2116 * This function can be used to set a preference on the operating channel based
2117 * on frequencies used on the other virtual interfaces that share the same
2118 * radio. If non-zero, this is used to try to avoid multi-channel concurrency.
2120 void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq);
2122 const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p);
2125 * p2p_get_group_num_members - Get number of members in group
2126 * @group: P2P group context from p2p_group_init()
2127 * Returns: Number of members in the group
2129 unsigned int p2p_get_group_num_members(struct p2p_group *group);
2132 * p2p_client_limit_reached - Check if client limit is reached
2133 * @group: P2P group context from p2p_group_init()
2134 * Returns: 1 if no of clients limit reached
2136 int p2p_client_limit_reached(struct p2p_group *group);
2139 * p2p_iterate_group_members - Iterate group members
2140 * @group: P2P group context from p2p_group_init()
2141 * @next: iteration pointer, must be a pointer to a void * that is set to %NULL
2142 * on the first call and not modified later
2143 * Returns: A P2P Device Address for each call and %NULL for no more members
2145 const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
2148 * p2p_group_get_client_interface_addr - Get P2P Interface Address of a client in a group
2149 * @group: P2P group context from p2p_group_init()
2150 * @dev_addr: P2P Device Address of the client
2151 * Returns: P2P Interface Address of the client if found or %NULL if no match
2154 const u8 * p2p_group_get_client_interface_addr(struct p2p_group *group,
2155 const u8 *dev_addr);
2158 * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group
2159 * @group: P2P group context from p2p_group_init()
2160 * @addr: P2P Interface Address of the client
2161 * Returns: P2P Device Address of the client if found or %NULL if no match
2164 const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr);
2167 * p2p_group_is_client_connected - Check whether a specific client is connected
2168 * @group: P2P group context from p2p_group_init()
2169 * @addr: P2P Device Address of the client
2170 * Returns: 1 if client is connected or 0 if not
2172 int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr);
2175 * p2p_group_get_config - Get the group configuration
2176 * @group: P2P group context from p2p_group_init()
2177 * Returns: The group configuration pointer
2179 const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group);
2182 * p2p_loop_on_all_groups - Run the given callback on all groups
2183 * @p2p: P2P module context from p2p_init()
2184 * @group_callback: The callback function pointer
2185 * @user_data: Some user data pointer which can be %NULL
2187 * The group_callback function can stop the iteration by returning 0.
2189 void p2p_loop_on_all_groups(struct p2p_data *p2p,
2190 int (*group_callback)(struct p2p_group *group,
2195 * p2p_get_peer_found - Get P2P peer info structure of a found peer
2196 * @p2p: P2P module context from p2p_init()
2197 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
2198 * @next: Whether to select the peer entry following the one indicated by addr
2199 * Returns: The first P2P peer info available or %NULL if no such peer exists
2201 const struct p2p_peer_info *
2202 p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next);
2205 * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions
2206 * @p2p: P2P module context from p2p_init()
2208 void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p);
2211 * p2p_add_wps_vendor_extension - Add a WPS vendor extension
2212 * @p2p: P2P module context from p2p_init()
2213 * @vendor_ext: The vendor extensions to add
2214 * Returns: 0 on success, -1 on failure
2216 * The wpabuf structures in the array are owned by the P2P
2217 * module after this call.
2219 int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
2220 const struct wpabuf *vendor_ext);
2223 * p2p_set_oper_channel - Set the P2P operating channel
2224 * @p2p: P2P module context from p2p_init()
2225 * @op_reg_class: Operating regulatory class to set
2226 * @op_channel: operating channel to set
2227 * @cfg_op_channel : Whether op_channel is hardcoded in configuration
2228 * Returns: 0 on success, -1 on failure
2230 int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel,
2231 int cfg_op_channel);
2234 * p2p_set_pref_chan - Set P2P preferred channel list
2235 * @p2p: P2P module context from p2p_init()
2236 * @num_pref_chan: Number of entries in pref_chan list
2237 * @pref_chan: Preferred channels or %NULL to remove preferences
2238 * Returns: 0 on success, -1 on failure
2240 int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan,
2241 const struct p2p_channel *pref_chan);
2244 * p2p_set_no_go_freq - Set no GO channel ranges
2245 * @p2p: P2P module context from p2p_init()
2246 * @list: Channel ranges or %NULL to remove restriction
2247 * Returns: 0 on success, -1 on failure
2249 int p2p_set_no_go_freq(struct p2p_data *p2p,
2250 const struct wpa_freq_range_list *list);
2253 * p2p_in_progress - Check whether a P2P operation is progress
2254 * @p2p: P2P module context from p2p_init()
2255 * Returns: 0 if P2P module is idle, 1 if an operation is in progress but not
2256 * in search state, or 2 if search state operation is in progress
2258 int p2p_in_progress(struct p2p_data *p2p);
2260 const char * p2p_wps_method_text(enum p2p_wps_method method);
2263 * p2p_set_config_timeout - Set local config timeouts
2264 * @p2p: P2P module context from p2p_init()
2265 * @go_timeout: Time in 10 ms units it takes to start the GO mode
2266 * @client_timeout: Time in 10 ms units it takes to start the client mode
2268 void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout,
2271 int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie);
2272 int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie);
2273 int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie);
2274 int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie);
2275 int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie);
2276 int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie);
2277 int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie);
2278 int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie);
2279 int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem);
2280 int p2p_set_wfd_r2_dev_info(struct p2p_data *p2p, const struct wpabuf *elem);
2281 int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem);
2282 int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p,
2283 const struct wpabuf *elem);
2284 struct wpabuf * wifi_display_encaps(struct wpabuf *subelems);
2287 * p2p_set_disc_int - Set min/max discoverable interval for p2p_find
2288 * @p2p: P2P module context from p2p_init()
2289 * @min_disc_int: minDiscoverableInterval (in units of 100 TU); default 1
2290 * @max_disc_int: maxDiscoverableInterval (in units of 100 TU); default 3
2291 * @max_disc_tu: Maximum number of TUs (1.024 ms) for discoverable interval; or
2293 * Returns: 0 on success, or -1 on failure
2295 * This function can be used to configure minDiscoverableInterval and
2296 * maxDiscoverableInterval parameters for the Listen state during device
2297 * discovery (p2p_find). A random number of 100 TU units is picked for each
2298 * Listen state iteration from [min_disc_int,max_disc_int] range.
2300 * max_disc_tu can be used to further limit the discoverable duration. However,
2301 * it should be noted that use of this parameter is not recommended since it
2302 * would not be compliant with the P2P specification.
2304 int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int,
2308 * p2p_get_state_txt - Get current P2P state for debug purposes
2309 * @p2p: P2P module context from p2p_init()
2310 * Returns: Name of the current P2P module state
2312 * It should be noted that the P2P module state names are internal information
2313 * and subject to change at any point, i.e., this information should be used
2314 * mainly for debugging purposes.
2316 const char * p2p_get_state_txt(struct p2p_data *p2p);
2318 struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p,
2320 const u8 *go_dev_addr,
2321 const u8 *ssid, size_t ssid_len);
2322 struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p,
2324 const u8 *go_dev_addr,
2325 const u8 *ssid, size_t ssid_len);
2327 struct p2p_nfc_params {
2335 NO_ACTION, JOIN_GROUP, AUTH_JOIN, INIT_GO_NEG, RESP_GO_NEG,
2336 BOTH_GO, PEER_CLIENT
2338 struct p2p_peer_info *peer;
2339 u8 oob_dev_pw[WPS_OOB_PUBKEY_HASH_LEN + 2 +
2340 WPS_OOB_DEVICE_PASSWORD_LEN];
2341 size_t oob_dev_pw_len;
2343 u8 go_dev_addr[ETH_ALEN];
2344 u8 go_ssid[SSID_MAX_LEN];
2348 int p2p_process_nfc_connection_handover(struct p2p_data *p2p,
2349 struct p2p_nfc_params *params);
2351 void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id,
2353 const u8 *own_interface_addr);
2355 int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len);
2357 void p2p_loop_on_known_peers(struct p2p_data *p2p,
2358 void (*peer_callback)(struct p2p_peer_info *peer,
2362 void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem);
2364 void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr);
2366 struct p2ps_advertisement *
2367 p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id);
2368 int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
2369 const char *adv_str, u8 svc_state,
2370 u16 config_methods, const char *svc_info,
2371 const u8 *cpt_priority);
2372 int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id);
2373 void p2p_service_flush_asp(struct p2p_data *p2p);
2374 struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p);
2377 * p2p_expire_peers - Periodic cleanup function to expire peers
2378 * @p2p: P2P module context from p2p_init()
2380 * This is a cleanup function that the entity calling p2p_init() is
2381 * expected to call periodically to clean up expired peer entries.
2383 void p2p_expire_peers(struct p2p_data *p2p);
2385 void p2p_set_own_pref_freq_list(struct p2p_data *p2p,
2386 const unsigned int *pref_freq_list,
2388 void p2p_set_override_pref_op_chan(struct p2p_data *p2p, u8 op_class,
2392 * p2p_group_get_common_freqs - Get the group common frequencies
2393 * @group: P2P group context from p2p_group_init()
2394 * @common_freqs: On return will hold the group common frequencies
2395 * @num: On return will hold the number of group common frequencies
2396 * Returns: 0 on success, -1 otherwise
2398 int p2p_group_get_common_freqs(struct p2p_group *group, int *common_freqs,
2401 struct wpabuf * p2p_build_probe_resp_template(struct p2p_data *p2p,