2 * P2P - Internal definitions for 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 "utils/list.h"
15 #define P2P_GO_NEG_CNF_MAX_RETRY_COUNT 1
17 enum p2p_role_indication;
20 * To force Service Instances to fit within a single P2P Tag, MAX_SVC_ADV_LEN
21 * must equal 248 or less. Must have a minimum size of 19.
23 #define MAX_SVC_ADV_LEN 600
24 #define MAX_SVC_ADV_IE_LEN (9 + MAX_SVC_ADV_LEN + (5 * (MAX_SVC_ADV_LEN / 240)))
33 * struct p2p_device - P2P Device data (internal to P2P module)
37 struct os_reltime last_seen;
40 enum p2p_wps_method wps_method;
43 struct p2p_peer_info info;
46 * If the peer was discovered based on an interface address (e.g., GO
47 * from Beacon/Probe Response), the interface address is stored here.
48 * p2p_device_addr must still be set in such a case to the unique
49 * identifier for the P2P Device.
51 u8 interface_addr[ETH_ALEN];
54 * P2P Device Address of the GO in whose group this P2P Device is a
57 u8 member_in_go_dev[ETH_ALEN];
60 * P2P Interface Address of the GO in whose group this P2P Device is a
63 u8 member_in_go_iface[ETH_ALEN];
66 enum p2p_go_state go_state;
69 u8 intended_addr[ETH_ALEN];
72 struct p2p_channels channels;
78 * req_config_methods - Pending provision discovery methods
80 u16 req_config_methods;
83 * wps_prov_info - Stored provisioning WPS config method
85 * This is used to store pending WPS config method between Provisioning
86 * Discovery and connection to a running group.
90 #define P2P_DEV_PROBE_REQ_ONLY BIT(0)
91 #define P2P_DEV_REPORTED BIT(1)
92 #define P2P_DEV_NOT_YET_READY BIT(2)
93 #define P2P_DEV_PD_PEER_DISPLAY BIT(5)
94 #define P2P_DEV_PD_PEER_KEYPAD BIT(6)
95 #define P2P_DEV_USER_REJECTED BIT(7)
96 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
97 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
98 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
99 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
100 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
101 #define P2P_DEV_FORCE_FREQ BIT(13)
102 #define P2P_DEV_PD_FOR_JOIN BIT(14)
103 #define P2P_DEV_REPORTED_ONCE BIT(15)
104 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)
105 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17)
106 #define P2P_DEV_NO_PREF_CHAN BIT(18)
107 #define P2P_DEV_WAIT_INV_REQ_ACK BIT(19)
108 #define P2P_DEV_P2PS_REPORTED BIT(20)
111 int status; /* enum p2p_status_code */
112 unsigned int wait_count;
113 unsigned int connect_reqs;
114 unsigned int invitation_reqs;
115 unsigned int sd_reqs;
117 u16 ext_listen_period;
118 u16 ext_listen_interval;
124 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries
129 * freq - Frquency on which the GO Negotiation Confirmation is sent
131 int go_neg_conf_freq;
134 * go_neg_conf - GO Negotiation Confirmation frame
136 struct wpabuf *go_neg_conf;
138 int sd_pending_bcast_queries;
141 struct p2p_sd_query {
142 struct p2p_sd_query *next;
145 int wsd; /* Wi-Fi Display Service Discovery Request */
149 struct p2p_pending_action_tx {
155 unsigned int wait_time;
156 /* Followed by len octets of the frame */
160 * struct p2p_data - P2P module data (internal to P2P module)
164 * cfg - P2P module configuration
166 * This is included in the same memory allocation with the
167 * struct p2p_data and as such, must not be freed separately.
169 struct p2p_config *cfg;
172 * state - The current P2P state
181 * P2P_SEARCH - Search (Device Discovery)
186 * P2P_CONNECT - Trying to start GO Negotiation
191 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
196 * P2P_GO_NEG - In GO Negotiation
201 * P2P_LISTEN_ONLY - Listen only
206 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
208 P2P_WAIT_PEER_CONNECT,
211 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
216 * P2P_SD_DURING_FIND - Service Discovery during find
221 * P2P_PROVISIONING - Provisioning (during group formation)
226 * P2P_PD_DURING_FIND - Provision Discovery during find
231 * P2P_INVITE - Trying to start Invite
236 * P2P_INVITE_LISTEN - Listen during Invite
242 * min_disc_int - minDiscoverableInterval
247 * max_disc_int - maxDiscoverableInterval
252 * max_disc_tu - Maximum number of TUs for discoverable interval
257 * devices - List of known P2P Device peers
259 struct dl_list devices;
262 * go_neg_peer - Pointer to GO Negotiation peer
264 struct p2p_device *go_neg_peer;
267 * invite_peer - Pointer to Invite peer
269 struct p2p_device *invite_peer;
272 * last_p2p_find_oper - Pointer to last pre-find operation peer
274 struct p2p_device *last_p2p_find_oper;
276 const u8 *invite_go_dev_addr;
277 u8 invite_go_dev_addr_buf[ETH_ALEN];
278 int invite_dev_pw_id;
280 unsigned int retry_invite_req:1;
281 unsigned int retry_invite_req_sent:1;
284 * sd_peer - Pointer to Service Discovery peer
286 struct p2p_device *sd_peer;
289 * sd_query - Pointer to Service Discovery query
291 struct p2p_sd_query *sd_query;
294 * num_p2p_sd_queries - Total number of broadcast SD queries present in
297 int num_p2p_sd_queries;
299 /* GO Negotiation data */
302 * intended_addr - Local Intended P2P Interface Address
304 * This address is used during group owner negotiation as the Intended
305 * P2P Interface Address and the group interface will be created with
306 * address as the local address in case of successfully completed
309 u8 intended_addr[ETH_ALEN];
312 * go_intent - Local GO Intent to be used during GO Negotiation
317 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
322 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
327 * ssid_len - ssid length in octets
332 * ssid_set - Whether SSID is already set for GO Negotiation
337 * Regulatory class for own operational channel
342 * op_channel - Own operational channel
347 * channels - Own supported regulatory classes and channels
349 * List of supposerted channels per regulatory class. The regulatory
350 * classes are defined in IEEE Std 802.11-2007 Annex J and the
351 * numbering of the clases depends on the configured country code.
353 struct p2p_channels channels;
355 struct wpa_freq_range_list no_go_freq;
357 enum p2p_pending_action_state {
358 P2P_NO_PENDING_ACTION,
359 P2P_PENDING_GO_NEG_REQUEST,
360 P2P_PENDING_GO_NEG_RESPONSE,
361 P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
362 P2P_PENDING_GO_NEG_CONFIRM,
365 P2P_PENDING_INVITATION_REQUEST,
366 P2P_PENDING_INVITATION_RESPONSE,
367 P2P_PENDING_DEV_DISC_REQUEST,
368 P2P_PENDING_DEV_DISC_RESPONSE,
369 P2P_PENDING_GO_DISC_REQ
370 } pending_action_state;
372 unsigned int pending_listen_freq;
373 unsigned int pending_listen_sec;
374 unsigned int pending_listen_usec;
382 * sd_queries - Pending service discovery queries
384 struct p2p_sd_query *sd_queries;
387 * srv_update_indic - Service Update Indicator for local services
389 u16 srv_update_indic;
391 struct wpabuf *sd_resp; /* Fragmented SD response */
392 u8 sd_resp_addr[ETH_ALEN];
393 u8 sd_resp_dialog_token;
394 size_t sd_resp_pos; /* Offset in sd_resp */
397 struct wpabuf *sd_rx_resp; /* Reassembled SD response */
398 u16 sd_rx_update_indic;
400 /* P2P Invitation data */
401 enum p2p_invite_role inv_role;
402 u8 inv_bssid[ETH_ALEN];
407 u8 inv_group_bssid[ETH_ALEN];
408 u8 *inv_group_bssid_ptr;
409 u8 inv_go_dev_addr[ETH_ALEN];
414 enum p2p_discovery_type find_type;
415 unsigned int last_p2p_find_timeout;
416 u8 last_prog_scan_class;
417 u8 last_prog_scan_chan;
418 int p2p_scan_running;
419 enum p2p_after_scan {
420 P2P_AFTER_SCAN_NOTHING,
421 P2P_AFTER_SCAN_LISTEN,
422 P2P_AFTER_SCAN_CONNECT
424 u8 after_scan_peer[ETH_ALEN];
425 struct p2p_pending_action_tx *after_scan_tx;
426 unsigned int after_scan_tx_in_progress:1;
427 unsigned int send_action_in_progress:1;
429 /* Requested device types for find/search */
430 unsigned int num_req_dev_types;
433 u8 find_dev_id_buf[ETH_ALEN];
435 struct os_reltime find_start; /* time of last p2p_find start */
437 struct p2p_group **groups;
440 struct p2p_device *pending_client_disc_go;
441 u8 pending_client_disc_addr[ETH_ALEN];
442 u8 pending_dev_disc_dialog_token;
443 u8 pending_dev_disc_addr[ETH_ALEN];
444 int pending_dev_disc_freq;
445 unsigned int pending_client_disc_freq;
448 unsigned int ext_listen_period;
449 unsigned int ext_listen_interval;
450 unsigned int ext_listen_interval_sec;
451 unsigned int ext_listen_interval_usec;
453 u8 peer_filter[ETH_ALEN];
459 int best_freq_overall;
460 int own_freq_preference;
463 * wps_vendor_ext - WPS Vendor Extensions to add
465 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
468 * user_initiated_pd - Whether a PD request is user initiated or not.
470 u8 user_initiated_pd;
473 * Keep track of which peer a given PD request was sent to.
474 * Used to raise a timeout alert in case there is no response.
476 u8 pending_pd_devaddr[ETH_ALEN];
479 * Retry counter for provision discovery requests when issued
485 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select
487 * This is is used during PD retries for join-a-group case to use the
488 * correct operating frequency determined from a BSS entry for the GO.
495 /* Extra delay in milliseconds between search iterations */
496 unsigned int search_delay;
499 u8 pending_reg_class;
501 u8 pending_channel_forced;
504 struct p2ps_advertisement *p2ps_adv_list;
505 struct p2ps_provision *p2ps_prov;
506 u8 wild_card_hash[P2PS_HASH_LEN];
507 u8 query_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN];
513 #ifdef CONFIG_WIFI_DISPLAY
514 struct wpabuf *wfd_ie_beacon;
515 struct wpabuf *wfd_ie_probe_req;
516 struct wpabuf *wfd_ie_probe_resp;
517 struct wpabuf *wfd_ie_assoc_req;
518 struct wpabuf *wfd_ie_invitation;
519 struct wpabuf *wfd_ie_prov_disc_req;
520 struct wpabuf *wfd_ie_prov_disc_resp;
521 struct wpabuf *wfd_ie_go_neg;
522 struct wpabuf *wfd_dev_info;
523 struct wpabuf *wfd_assoc_bssid;
524 struct wpabuf *wfd_coupled_sink_info;
525 #endif /* CONFIG_WIFI_DISPLAY */
527 u16 authorized_oob_dev_pw_id;
529 struct wpabuf **vendor_elem;
533 * struct p2p_message - Parsed P2P message (or P2P IE)
536 struct wpabuf *p2p_attributes;
537 struct wpabuf *wps_attributes;
538 struct wpabuf *wfd_subelems;
542 const u8 *capability;
545 const u8 *listen_channel;
546 const u8 *operating_channel;
547 const u8 *channel_list;
549 const u8 *config_timeout;
550 const u8 *intended_addr;
551 const u8 *group_bssid;
552 const u8 *invitation_flags;
554 const u8 *group_info;
555 size_t group_info_len;
562 const u8 *manageability;
567 const u8 *ext_listen_timing;
569 const u8 *minor_reason_code;
571 const u8 *oob_go_neg_channel;
573 /* P2P Device Info */
574 const u8 *p2p_device_info;
575 size_t p2p_device_info_len;
576 const u8 *p2p_device_addr;
577 const u8 *pri_dev_type;
578 u8 num_sec_dev_types;
579 char device_name[33];
584 int dev_password_id_present;
585 u16 wps_config_methods;
586 const u8 *wps_pri_dev_type;
587 const u8 *wps_sec_dev_type_list;
588 size_t wps_sec_dev_type_list_len;
589 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
590 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
591 const u8 *manufacturer;
592 size_t manufacturer_len;
593 const u8 *model_name;
594 size_t model_name_len;
595 const u8 *model_number;
596 size_t model_number_len;
597 const u8 *serial_number;
598 size_t serial_number_len;
599 const u8 *oob_dev_password;
600 size_t oob_dev_password_len;
602 /* DS Parameter Set IE */
609 u8 service_hash_count;
610 const u8 *service_hash;
612 const u8 *session_info;
613 size_t session_info_len;
620 const u8 *adv_service_instance;
621 size_t adv_service_instance_len;
623 const u8 *session_id;
624 const u8 *session_mac;
626 const u8 *feature_cap;
627 size_t feature_cap_len;
629 const u8 *persistent_dev;
630 const u8 *persistent_ssid;
631 size_t persistent_ssid_len;
635 #define P2P_MAX_GROUP_ENTRIES 50
637 struct p2p_group_info {
638 unsigned int num_clients;
639 struct p2p_client_info {
640 const u8 *p2p_device_addr;
641 const u8 *p2p_interface_addr;
644 const u8 *pri_dev_type;
645 u8 num_sec_dev_types;
646 const u8 *sec_dev_types;
647 const char *dev_name;
649 } client[P2P_MAX_GROUP_ENTRIES];
654 int p2p_random(char *buf, size_t len);
655 int p2p_channel_to_freq(int op_class, int channel);
656 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
657 void p2p_channels_intersect(const struct p2p_channels *a,
658 const struct p2p_channels *b,
659 struct p2p_channels *res);
660 void p2p_channels_union_inplace(struct p2p_channels *res,
661 const struct p2p_channels *b);
662 void p2p_channels_union(const struct p2p_channels *a,
663 const struct p2p_channels *b,
664 struct p2p_channels *res);
665 void p2p_channels_remove_freqs(struct p2p_channels *chan,
666 const struct wpa_freq_range_list *list);
667 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
669 void p2p_channels_dump(struct p2p_data *p2p, const char *title,
670 const struct p2p_channels *chan);
671 int p2p_channel_select(struct p2p_channels *chans, const int *classes,
672 u8 *op_class, u8 *op_channel);
673 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class,
677 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
678 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
679 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
680 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,
681 size_t p2p_len, struct p2p_message *msg);
682 void p2p_parse_free(struct p2p_message *msg);
683 int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
684 int p2p_group_info_parse(const u8 *gi, size_t gi_len,
685 struct p2p_group_info *info);
689 struct p2p_noa_desc {
697 const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
698 u8 p2p_group_presence_req(struct p2p_group *group,
699 const u8 *client_interface_addr,
700 const u8 *noa, size_t noa_len);
701 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
702 size_t group_id_len);
703 void p2p_group_update_ies(struct p2p_group *group);
704 void p2p_group_force_beacon_update_ies(struct p2p_group *group);
705 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
706 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf,
708 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf);
709 int p2p_group_get_freq(struct p2p_group *group);
712 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
713 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
715 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
716 void p2p_buf_add_status(struct wpabuf *buf, u8 status);
717 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
718 struct p2p_device *peer);
719 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
720 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
721 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
722 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
723 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
724 u8 reg_class, u8 channel);
725 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
726 u8 reg_class, u8 channel);
727 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
728 struct p2p_channels *chan);
729 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
731 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
732 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
733 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
734 const u8 *ssid, size_t ssid_len);
735 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
736 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
737 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
738 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
740 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
741 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country,
742 u8 oper_class, u8 channel,
743 enum p2p_role_indication role);
744 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p);
745 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info);
746 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap);
747 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac);
748 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p,
749 u8 count, const u8 *hash,
750 struct p2ps_advertisement *adv_list);
751 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac);
752 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len,
754 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr,
755 const u8 *ssid, size_t ssid_len);
756 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
760 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
761 struct p2p_device *dev);
762 void p2p_free_sd_queries(struct p2p_data *p2p);
763 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
764 const u8 *data, size_t len, int rx_freq);
765 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
766 const u8 *data, size_t len, int rx_freq);
767 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
768 const u8 *data, size_t len, int rx_freq);
769 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
770 const u8 *data, size_t len, int rx_freq);
771 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
774 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
775 struct p2p_device *dev,
776 const u8 *channel_list, size_t channel_list_len);
777 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
778 const u8 *data, size_t len, int rx_freq);
779 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
780 const u8 *data, size_t len, int rx_freq);
781 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
782 const u8 *data, size_t len);
783 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
784 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
785 void p2p_reselect_channel(struct p2p_data *p2p,
786 struct p2p_channels *intersection);
789 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
790 const u8 *data, size_t len, int rx_freq);
791 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
792 const u8 *data, size_t len);
793 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
794 int join, int force_freq);
795 void p2p_reset_pending_pd(struct p2p_data *p2p);
797 /* p2p_invitation.c */
798 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
799 const u8 *data, size_t len, int rx_freq);
800 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
801 const u8 *data, size_t len);
802 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
803 const u8 *go_dev_addr, int dev_pw_id);
804 void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
805 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
808 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
809 const u8 *data, size_t len, int rx_freq);
810 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
811 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
812 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
813 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
814 const u8 *data, size_t len);
815 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
816 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
817 const u8 *data, size_t len, int rx_freq);
820 void p2p_set_state(struct p2p_data *p2p, int new_state);
821 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
823 void p2p_clear_timeout(struct p2p_data *p2p);
824 void p2p_continue_find(struct p2p_data *p2p);
825 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
827 struct p2p_message *msg);
828 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
829 struct p2p_device *dev, struct p2p_message *msg);
830 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
831 struct os_reltime *rx_time, int level, const u8 *ies,
832 size_t ies_len, int scan_res);
833 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
834 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
836 void p2p_go_neg_failed(struct p2p_data *p2p, int status);
837 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
838 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
839 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
840 size_t num_req_dev_type);
841 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
842 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
843 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
844 const u8 *src, const u8 *bssid, const u8 *buf,
845 size_t len, unsigned int wait_time);
846 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
847 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
848 unsigned int force_freq, unsigned int pref_freq,
850 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx);
851 int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev,
853 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
855 void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
857 void p2p_err(struct p2p_data *p2p, const char *fmt, ...)