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)
109 #define P2P_DEV_PD_PEER_P2PS BIT(21)
112 int status; /* enum p2p_status_code */
113 unsigned int wait_count;
114 unsigned int connect_reqs;
115 unsigned int invitation_reqs;
116 unsigned int sd_reqs;
118 u16 ext_listen_period;
119 u16 ext_listen_interval;
125 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries
130 * freq - Frquency on which the GO Negotiation Confirmation is sent
132 int go_neg_conf_freq;
135 * go_neg_conf - GO Negotiation Confirmation frame
137 struct wpabuf *go_neg_conf;
139 int sd_pending_bcast_queries;
142 struct p2p_sd_query {
143 struct p2p_sd_query *next;
146 int wsd; /* Wi-Fi Display Service Discovery Request */
150 struct p2p_pending_action_tx {
156 unsigned int wait_time;
157 /* Followed by len octets of the frame */
161 * struct p2p_data - P2P module data (internal to P2P module)
165 * cfg - P2P module configuration
167 * This is included in the same memory allocation with the
168 * struct p2p_data and as such, must not be freed separately.
170 struct p2p_config *cfg;
173 * state - The current P2P state
182 * P2P_SEARCH - Search (Device Discovery)
187 * P2P_CONNECT - Trying to start GO Negotiation
192 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
197 * P2P_GO_NEG - In GO Negotiation
202 * P2P_LISTEN_ONLY - Listen only
207 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
209 P2P_WAIT_PEER_CONNECT,
212 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
217 * P2P_SD_DURING_FIND - Service Discovery during find
222 * P2P_PROVISIONING - Provisioning (during group formation)
227 * P2P_PD_DURING_FIND - Provision Discovery during find
232 * P2P_INVITE - Trying to start Invite
237 * P2P_INVITE_LISTEN - Listen during Invite
243 * min_disc_int - minDiscoverableInterval
248 * max_disc_int - maxDiscoverableInterval
253 * max_disc_tu - Maximum number of TUs for discoverable interval
258 * devices - List of known P2P Device peers
260 struct dl_list devices;
263 * go_neg_peer - Pointer to GO Negotiation peer
265 struct p2p_device *go_neg_peer;
268 * invite_peer - Pointer to Invite peer
270 struct p2p_device *invite_peer;
273 * last_p2p_find_oper - Pointer to last pre-find operation peer
275 struct p2p_device *last_p2p_find_oper;
277 const u8 *invite_go_dev_addr;
278 u8 invite_go_dev_addr_buf[ETH_ALEN];
279 int invite_dev_pw_id;
281 unsigned int retry_invite_req:1;
282 unsigned int retry_invite_req_sent:1;
285 * sd_peer - Pointer to Service Discovery peer
287 struct p2p_device *sd_peer;
290 * sd_query - Pointer to Service Discovery query
292 struct p2p_sd_query *sd_query;
295 * num_p2p_sd_queries - Total number of broadcast SD queries present in
298 int num_p2p_sd_queries;
300 /* GO Negotiation data */
303 * intended_addr - Local Intended P2P Interface Address
305 * This address is used during group owner negotiation as the Intended
306 * P2P Interface Address and the group interface will be created with
307 * address as the local address in case of successfully completed
310 u8 intended_addr[ETH_ALEN];
313 * go_intent - Local GO Intent to be used during GO Negotiation
318 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
323 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
328 * ssid_len - ssid length in octets
333 * ssid_set - Whether SSID is already set for GO Negotiation
338 * Regulatory class for own operational channel
343 * op_channel - Own operational channel
348 * channels - Own supported regulatory classes and channels
350 * List of supposerted channels per regulatory class. The regulatory
351 * classes are defined in IEEE Std 802.11-2007 Annex J and the
352 * numbering of the clases depends on the configured country code.
354 struct p2p_channels channels;
356 struct wpa_freq_range_list no_go_freq;
358 enum p2p_pending_action_state {
359 P2P_NO_PENDING_ACTION,
360 P2P_PENDING_GO_NEG_REQUEST,
361 P2P_PENDING_GO_NEG_RESPONSE,
362 P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
363 P2P_PENDING_GO_NEG_CONFIRM,
366 P2P_PENDING_PD_RESPONSE,
367 P2P_PENDING_INVITATION_REQUEST,
368 P2P_PENDING_INVITATION_RESPONSE,
369 P2P_PENDING_DEV_DISC_REQUEST,
370 P2P_PENDING_DEV_DISC_RESPONSE,
371 P2P_PENDING_GO_DISC_REQ
372 } pending_action_state;
374 unsigned int pending_listen_freq;
375 unsigned int pending_listen_sec;
376 unsigned int pending_listen_usec;
384 * sd_queries - Pending service discovery queries
386 struct p2p_sd_query *sd_queries;
389 * srv_update_indic - Service Update Indicator for local services
391 u16 srv_update_indic;
393 struct wpabuf *sd_resp; /* Fragmented SD response */
394 u8 sd_resp_addr[ETH_ALEN];
395 u8 sd_resp_dialog_token;
396 size_t sd_resp_pos; /* Offset in sd_resp */
399 struct wpabuf *sd_rx_resp; /* Reassembled SD response */
400 u16 sd_rx_update_indic;
402 /* P2P Invitation data */
403 enum p2p_invite_role inv_role;
404 u8 inv_bssid[ETH_ALEN];
409 u8 inv_group_bssid[ETH_ALEN];
410 u8 *inv_group_bssid_ptr;
411 u8 inv_go_dev_addr[ETH_ALEN];
416 enum p2p_discovery_type find_type;
417 unsigned int last_p2p_find_timeout;
418 u8 last_prog_scan_class;
419 u8 last_prog_scan_chan;
420 int p2p_scan_running;
421 enum p2p_after_scan {
422 P2P_AFTER_SCAN_NOTHING,
423 P2P_AFTER_SCAN_LISTEN,
424 P2P_AFTER_SCAN_CONNECT
426 u8 after_scan_peer[ETH_ALEN];
427 struct p2p_pending_action_tx *after_scan_tx;
428 unsigned int after_scan_tx_in_progress:1;
429 unsigned int send_action_in_progress:1;
431 /* Requested device types for find/search */
432 unsigned int num_req_dev_types;
435 u8 find_dev_id_buf[ETH_ALEN];
437 struct os_reltime find_start; /* time of last p2p_find start */
439 struct p2p_group **groups;
442 struct p2p_device *pending_client_disc_go;
443 u8 pending_client_disc_addr[ETH_ALEN];
444 u8 pending_dev_disc_dialog_token;
445 u8 pending_dev_disc_addr[ETH_ALEN];
446 int pending_dev_disc_freq;
447 unsigned int pending_client_disc_freq;
450 unsigned int ext_listen_period;
451 unsigned int ext_listen_interval;
452 unsigned int ext_listen_interval_sec;
453 unsigned int ext_listen_interval_usec;
455 u8 peer_filter[ETH_ALEN];
461 int best_freq_overall;
462 int own_freq_preference;
465 * wps_vendor_ext - WPS Vendor Extensions to add
467 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
470 * user_initiated_pd - Whether a PD request is user initiated or not.
472 u8 user_initiated_pd;
475 * Keep track of which peer a given PD request was sent to.
476 * Used to raise a timeout alert in case there is no response.
478 u8 pending_pd_devaddr[ETH_ALEN];
481 * Retry counter for provision discovery requests when issued
487 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select
489 * This is is used during PD retries for join-a-group case to use the
490 * correct operating frequency determined from a BSS entry for the GO.
497 /* Extra delay in milliseconds between search iterations */
498 unsigned int search_delay;
501 u8 pending_reg_class;
503 u8 pending_channel_forced;
506 struct p2ps_advertisement *p2ps_adv_list;
507 struct p2ps_provision *p2ps_prov;
508 u8 wild_card_hash[P2PS_HASH_LEN];
509 u8 query_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN];
515 #ifdef CONFIG_WIFI_DISPLAY
516 struct wpabuf *wfd_ie_beacon;
517 struct wpabuf *wfd_ie_probe_req;
518 struct wpabuf *wfd_ie_probe_resp;
519 struct wpabuf *wfd_ie_assoc_req;
520 struct wpabuf *wfd_ie_invitation;
521 struct wpabuf *wfd_ie_prov_disc_req;
522 struct wpabuf *wfd_ie_prov_disc_resp;
523 struct wpabuf *wfd_ie_go_neg;
524 struct wpabuf *wfd_dev_info;
525 struct wpabuf *wfd_assoc_bssid;
526 struct wpabuf *wfd_coupled_sink_info;
527 #endif /* CONFIG_WIFI_DISPLAY */
529 u16 authorized_oob_dev_pw_id;
531 struct wpabuf **vendor_elem;
535 * struct p2p_message - Parsed P2P message (or P2P IE)
538 struct wpabuf *p2p_attributes;
539 struct wpabuf *wps_attributes;
540 struct wpabuf *wfd_subelems;
544 const u8 *capability;
547 const u8 *listen_channel;
548 const u8 *operating_channel;
549 const u8 *channel_list;
551 const u8 *config_timeout;
552 const u8 *intended_addr;
553 const u8 *group_bssid;
554 const u8 *invitation_flags;
556 const u8 *group_info;
557 size_t group_info_len;
564 const u8 *manageability;
569 const u8 *ext_listen_timing;
571 const u8 *minor_reason_code;
573 const u8 *oob_go_neg_channel;
575 /* P2P Device Info */
576 const u8 *p2p_device_info;
577 size_t p2p_device_info_len;
578 const u8 *p2p_device_addr;
579 const u8 *pri_dev_type;
580 u8 num_sec_dev_types;
581 char device_name[33];
586 int dev_password_id_present;
587 u16 wps_config_methods;
588 const u8 *wps_pri_dev_type;
589 const u8 *wps_sec_dev_type_list;
590 size_t wps_sec_dev_type_list_len;
591 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
592 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
593 const u8 *manufacturer;
594 size_t manufacturer_len;
595 const u8 *model_name;
596 size_t model_name_len;
597 const u8 *model_number;
598 size_t model_number_len;
599 const u8 *serial_number;
600 size_t serial_number_len;
601 const u8 *oob_dev_password;
602 size_t oob_dev_password_len;
604 /* DS Parameter Set IE */
611 u8 service_hash_count;
612 const u8 *service_hash;
614 const u8 *session_info;
615 size_t session_info_len;
622 const u8 *adv_service_instance;
623 size_t adv_service_instance_len;
625 const u8 *session_id;
626 const u8 *session_mac;
628 const u8 *feature_cap;
629 size_t feature_cap_len;
631 const u8 *persistent_dev;
632 const u8 *persistent_ssid;
633 size_t persistent_ssid_len;
637 #define P2P_MAX_GROUP_ENTRIES 50
639 struct p2p_group_info {
640 unsigned int num_clients;
641 struct p2p_client_info {
642 const u8 *p2p_device_addr;
643 const u8 *p2p_interface_addr;
646 const u8 *pri_dev_type;
647 u8 num_sec_dev_types;
648 const u8 *sec_dev_types;
649 const char *dev_name;
651 } client[P2P_MAX_GROUP_ENTRIES];
656 int p2p_random(char *buf, size_t len);
657 int p2p_channel_to_freq(int op_class, int channel);
658 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
659 void p2p_channels_intersect(const struct p2p_channels *a,
660 const struct p2p_channels *b,
661 struct p2p_channels *res);
662 void p2p_channels_union_inplace(struct p2p_channels *res,
663 const struct p2p_channels *b);
664 void p2p_channels_union(const struct p2p_channels *a,
665 const struct p2p_channels *b,
666 struct p2p_channels *res);
667 void p2p_channels_remove_freqs(struct p2p_channels *chan,
668 const struct wpa_freq_range_list *list);
669 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
671 void p2p_channels_dump(struct p2p_data *p2p, const char *title,
672 const struct p2p_channels *chan);
673 int p2p_channel_select(struct p2p_channels *chans, const int *classes,
674 u8 *op_class, u8 *op_channel);
675 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class,
679 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
680 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
681 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
682 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,
683 size_t p2p_len, struct p2p_message *msg);
684 void p2p_parse_free(struct p2p_message *msg);
685 int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
686 int p2p_group_info_parse(const u8 *gi, size_t gi_len,
687 struct p2p_group_info *info);
691 struct p2p_noa_desc {
699 const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
700 u8 p2p_group_presence_req(struct p2p_group *group,
701 const u8 *client_interface_addr,
702 const u8 *noa, size_t noa_len);
703 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
704 size_t group_id_len);
705 void p2p_group_update_ies(struct p2p_group *group);
706 void p2p_group_force_beacon_update_ies(struct p2p_group *group);
707 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
708 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf,
710 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf);
711 int p2p_group_get_freq(struct p2p_group *group);
714 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
715 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
717 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
718 void p2p_buf_add_status(struct wpabuf *buf, u8 status);
719 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
720 struct p2p_device *peer);
721 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
722 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
723 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
724 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
725 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
726 u8 reg_class, u8 channel);
727 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
728 u8 reg_class, u8 channel);
729 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
730 struct p2p_channels *chan);
731 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
733 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
734 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
735 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
736 const u8 *ssid, size_t ssid_len);
737 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
738 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
739 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
740 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
742 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
743 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country,
744 u8 oper_class, u8 channel,
745 enum p2p_role_indication role);
746 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p);
747 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info);
748 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap);
749 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac);
750 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p,
751 u8 count, const u8 *hash,
752 struct p2ps_advertisement *adv_list);
753 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac);
754 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len,
756 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr,
757 const u8 *ssid, size_t ssid_len);
758 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
762 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
763 struct p2p_device *dev);
764 void p2p_free_sd_queries(struct p2p_data *p2p);
765 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
766 const u8 *data, size_t len, int rx_freq);
767 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
768 const u8 *data, size_t len, int rx_freq);
769 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
770 const u8 *data, size_t len, int rx_freq);
771 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
772 const u8 *data, size_t len, int rx_freq);
773 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
776 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
777 struct p2p_device *dev,
778 const u8 *channel_list, size_t channel_list_len);
779 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
780 const u8 *data, size_t len, int rx_freq);
781 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
782 const u8 *data, size_t len, int rx_freq);
783 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
784 const u8 *data, size_t len);
785 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
786 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
787 void p2p_reselect_channel(struct p2p_data *p2p,
788 struct p2p_channels *intersection);
791 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
792 const u8 *data, size_t len, int rx_freq);
793 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
794 const u8 *data, size_t len);
795 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
796 int join, int force_freq);
797 void p2p_reset_pending_pd(struct p2p_data *p2p);
799 /* p2p_invitation.c */
800 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
801 const u8 *data, size_t len, int rx_freq);
802 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
803 const u8 *data, size_t len);
804 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
805 const u8 *go_dev_addr, int dev_pw_id);
806 void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
807 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
810 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
811 const u8 *data, size_t len, int rx_freq);
812 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
813 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
814 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
815 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
816 const u8 *data, size_t len);
817 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
818 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
819 const u8 *data, size_t len, int rx_freq);
822 void p2p_set_state(struct p2p_data *p2p, int new_state);
823 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
825 void p2p_clear_timeout(struct p2p_data *p2p);
826 void p2p_continue_find(struct p2p_data *p2p);
827 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
829 struct p2p_message *msg);
830 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
831 struct p2p_device *dev, struct p2p_message *msg);
832 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
833 struct os_reltime *rx_time, int level, const u8 *ies,
834 size_t ies_len, int scan_res);
835 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
836 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
838 void p2p_go_neg_failed(struct p2p_data *p2p, int status);
839 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
840 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
841 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
842 size_t num_req_dev_type);
843 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
844 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
845 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
846 const u8 *src, const u8 *bssid, const u8 *buf,
847 size_t len, unsigned int wait_time);
848 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
849 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
850 unsigned int force_freq, unsigned int pref_freq,
852 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx);
853 int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev,
855 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
857 void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
859 void p2p_err(struct p2p_data *p2p, const char *fmt, ...)