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;
26 * struct p2p_device - P2P Device data (internal to P2P module)
30 struct os_reltime last_seen;
33 enum p2p_wps_method wps_method;
36 struct p2p_peer_info info;
39 * If the peer was discovered based on an interface address (e.g., GO
40 * from Beacon/Probe Response), the interface address is stored here.
41 * p2p_device_addr must still be set in such a case to the unique
42 * identifier for the P2P Device.
44 u8 interface_addr[ETH_ALEN];
47 * P2P Device Address of the GO in whose group this P2P Device is a
50 u8 member_in_go_dev[ETH_ALEN];
53 * P2P Interface Address of the GO in whose group this P2P Device is a
56 u8 member_in_go_iface[ETH_ALEN];
59 enum p2p_go_state go_state;
62 u8 intended_addr[ETH_ALEN];
65 struct p2p_channels channels;
71 * req_config_methods - Pending provision discovery methods
73 u16 req_config_methods;
76 * wps_prov_info - Stored provisioning WPS config method
78 * This is used to store pending WPS config method between Provisioning
79 * Discovery and connection to a running group.
83 #define P2P_DEV_PROBE_REQ_ONLY BIT(0)
84 #define P2P_DEV_REPORTED BIT(1)
85 #define P2P_DEV_NOT_YET_READY BIT(2)
86 #define P2P_DEV_PD_PEER_DISPLAY BIT(5)
87 #define P2P_DEV_PD_PEER_KEYPAD BIT(6)
88 #define P2P_DEV_USER_REJECTED BIT(7)
89 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
90 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
91 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
92 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
93 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
94 #define P2P_DEV_FORCE_FREQ BIT(13)
95 #define P2P_DEV_PD_FOR_JOIN BIT(14)
96 #define P2P_DEV_REPORTED_ONCE BIT(15)
97 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)
98 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17)
99 #define P2P_DEV_NO_PREF_CHAN BIT(18)
100 #define P2P_DEV_WAIT_INV_REQ_ACK BIT(19)
103 int status; /* enum p2p_status_code */
104 unsigned int wait_count;
105 unsigned int connect_reqs;
106 unsigned int invitation_reqs;
107 unsigned int sd_reqs;
109 u16 ext_listen_period;
110 u16 ext_listen_interval;
116 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries
121 * freq - Frquency on which the GO Negotiation Confirmation is sent
123 int go_neg_conf_freq;
126 * go_neg_conf - GO Negotiation Confirmation frame
128 struct wpabuf *go_neg_conf;
130 int sd_pending_bcast_queries;
133 struct p2p_sd_query {
134 struct p2p_sd_query *next;
137 int wsd; /* Wi-Fi Display Service Discovery Request */
141 struct p2p_pending_action_tx {
147 unsigned int wait_time;
148 /* Followed by len octets of the frame */
152 * struct p2p_data - P2P module data (internal to P2P module)
156 * cfg - P2P module configuration
158 * This is included in the same memory allocation with the
159 * struct p2p_data and as such, must not be freed separately.
161 struct p2p_config *cfg;
164 * state - The current P2P state
173 * P2P_SEARCH - Search (Device Discovery)
178 * P2P_CONNECT - Trying to start GO Negotiation
183 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
188 * P2P_GO_NEG - In GO Negotiation
193 * P2P_LISTEN_ONLY - Listen only
198 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
200 P2P_WAIT_PEER_CONNECT,
203 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
208 * P2P_SD_DURING_FIND - Service Discovery during find
213 * P2P_PROVISIONING - Provisioning (during group formation)
218 * P2P_PD_DURING_FIND - Provision Discovery during find
223 * P2P_INVITE - Trying to start Invite
228 * P2P_INVITE_LISTEN - Listen during Invite
234 * min_disc_int - minDiscoverableInterval
239 * max_disc_int - maxDiscoverableInterval
244 * max_disc_tu - Maximum number of TUs for discoverable interval
249 * devices - List of known P2P Device peers
251 struct dl_list devices;
254 * go_neg_peer - Pointer to GO Negotiation peer
256 struct p2p_device *go_neg_peer;
259 * invite_peer - Pointer to Invite peer
261 struct p2p_device *invite_peer;
264 * last_p2p_find_oper - Pointer to last pre-find operation peer
266 struct p2p_device *last_p2p_find_oper;
268 const u8 *invite_go_dev_addr;
269 u8 invite_go_dev_addr_buf[ETH_ALEN];
270 int invite_dev_pw_id;
272 unsigned int retry_invite_req:1;
273 unsigned int retry_invite_req_sent:1;
276 * sd_peer - Pointer to Service Discovery peer
278 struct p2p_device *sd_peer;
281 * sd_query - Pointer to Service Discovery query
283 struct p2p_sd_query *sd_query;
286 * num_p2p_sd_queries - Total number of broadcast SD queries present in
289 int num_p2p_sd_queries;
291 /* GO Negotiation data */
294 * intended_addr - Local Intended P2P Interface Address
296 * This address is used during group owner negotiation as the Intended
297 * P2P Interface Address and the group interface will be created with
298 * address as the local address in case of successfully completed
301 u8 intended_addr[ETH_ALEN];
304 * go_intent - Local GO Intent to be used during GO Negotiation
309 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
314 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
319 * ssid_len - ssid length in octets
324 * ssid_set - Whether SSID is already set for GO Negotiation
329 * Regulatory class for own operational channel
334 * op_channel - Own operational channel
339 * channels - Own supported regulatory classes and channels
341 * List of supposerted channels per regulatory class. The regulatory
342 * classes are defined in IEEE Std 802.11-2007 Annex J and the
343 * numbering of the clases depends on the configured country code.
345 struct p2p_channels channels;
347 struct wpa_freq_range_list no_go_freq;
349 enum p2p_pending_action_state {
350 P2P_NO_PENDING_ACTION,
351 P2P_PENDING_GO_NEG_REQUEST,
352 P2P_PENDING_GO_NEG_RESPONSE,
353 P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
354 P2P_PENDING_GO_NEG_CONFIRM,
357 P2P_PENDING_INVITATION_REQUEST,
358 P2P_PENDING_INVITATION_RESPONSE,
359 P2P_PENDING_DEV_DISC_REQUEST,
360 P2P_PENDING_DEV_DISC_RESPONSE,
361 P2P_PENDING_GO_DISC_REQ
362 } pending_action_state;
364 unsigned int pending_listen_freq;
365 unsigned int pending_listen_sec;
366 unsigned int pending_listen_usec;
374 * sd_queries - Pending service discovery queries
376 struct p2p_sd_query *sd_queries;
379 * srv_update_indic - Service Update Indicator for local services
381 u16 srv_update_indic;
383 struct wpabuf *sd_resp; /* Fragmented SD response */
384 u8 sd_resp_addr[ETH_ALEN];
385 u8 sd_resp_dialog_token;
386 size_t sd_resp_pos; /* Offset in sd_resp */
389 struct wpabuf *sd_rx_resp; /* Reassembled SD response */
390 u16 sd_rx_update_indic;
392 /* P2P Invitation data */
393 enum p2p_invite_role inv_role;
394 u8 inv_bssid[ETH_ALEN];
399 u8 inv_group_bssid[ETH_ALEN];
400 u8 *inv_group_bssid_ptr;
401 u8 inv_go_dev_addr[ETH_ALEN];
406 enum p2p_discovery_type find_type;
407 unsigned int last_p2p_find_timeout;
408 u8 last_prog_scan_class;
409 u8 last_prog_scan_chan;
410 int p2p_scan_running;
411 enum p2p_after_scan {
412 P2P_AFTER_SCAN_NOTHING,
413 P2P_AFTER_SCAN_LISTEN,
414 P2P_AFTER_SCAN_CONNECT
416 u8 after_scan_peer[ETH_ALEN];
417 struct p2p_pending_action_tx *after_scan_tx;
418 unsigned int after_scan_tx_in_progress:1;
419 unsigned int send_action_in_progress:1;
421 /* Requested device types for find/search */
422 unsigned int num_req_dev_types;
425 u8 find_dev_id_buf[ETH_ALEN];
427 struct os_reltime find_start; /* time of last p2p_find start */
429 struct p2p_group **groups;
432 struct p2p_device *pending_client_disc_go;
433 u8 pending_client_disc_addr[ETH_ALEN];
434 u8 pending_dev_disc_dialog_token;
435 u8 pending_dev_disc_addr[ETH_ALEN];
436 int pending_dev_disc_freq;
437 unsigned int pending_client_disc_freq;
440 unsigned int ext_listen_period;
441 unsigned int ext_listen_interval;
442 unsigned int ext_listen_interval_sec;
443 unsigned int ext_listen_interval_usec;
445 u8 peer_filter[ETH_ALEN];
451 int best_freq_overall;
452 int own_freq_preference;
455 * wps_vendor_ext - WPS Vendor Extensions to add
457 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
460 * user_initiated_pd - Whether a PD request is user initiated or not.
462 u8 user_initiated_pd;
465 * Keep track of which peer a given PD request was sent to.
466 * Used to raise a timeout alert in case there is no response.
468 u8 pending_pd_devaddr[ETH_ALEN];
471 * Retry counter for provision discovery requests when issued
477 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select
479 * This is is used during PD retries for join-a-group case to use the
480 * correct operating frequency determined from a BSS entry for the GO.
487 /* Extra delay in milliseconds between search iterations */
488 unsigned int search_delay;
491 u8 pending_reg_class;
493 u8 pending_channel_forced;
496 struct p2ps_advertisement *p2ps_adv_list;
497 u8 wild_card_hash[P2PS_HASH_LEN];
498 u8 query_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN];
504 #ifdef CONFIG_WIFI_DISPLAY
505 struct wpabuf *wfd_ie_beacon;
506 struct wpabuf *wfd_ie_probe_req;
507 struct wpabuf *wfd_ie_probe_resp;
508 struct wpabuf *wfd_ie_assoc_req;
509 struct wpabuf *wfd_ie_invitation;
510 struct wpabuf *wfd_ie_prov_disc_req;
511 struct wpabuf *wfd_ie_prov_disc_resp;
512 struct wpabuf *wfd_ie_go_neg;
513 struct wpabuf *wfd_dev_info;
514 struct wpabuf *wfd_assoc_bssid;
515 struct wpabuf *wfd_coupled_sink_info;
516 #endif /* CONFIG_WIFI_DISPLAY */
518 u16 authorized_oob_dev_pw_id;
520 struct wpabuf **vendor_elem;
524 * struct p2p_message - Parsed P2P message (or P2P IE)
527 struct wpabuf *p2p_attributes;
528 struct wpabuf *wps_attributes;
529 struct wpabuf *wfd_subelems;
533 const u8 *capability;
536 const u8 *listen_channel;
537 const u8 *operating_channel;
538 const u8 *channel_list;
540 const u8 *config_timeout;
541 const u8 *intended_addr;
542 const u8 *group_bssid;
543 const u8 *invitation_flags;
545 const u8 *group_info;
546 size_t group_info_len;
553 const u8 *manageability;
558 const u8 *ext_listen_timing;
560 const u8 *minor_reason_code;
562 const u8 *oob_go_neg_channel;
564 /* P2P Device Info */
565 const u8 *p2p_device_info;
566 size_t p2p_device_info_len;
567 const u8 *p2p_device_addr;
568 const u8 *pri_dev_type;
569 u8 num_sec_dev_types;
570 char device_name[33];
575 int dev_password_id_present;
576 u16 wps_config_methods;
577 const u8 *wps_pri_dev_type;
578 const u8 *wps_sec_dev_type_list;
579 size_t wps_sec_dev_type_list_len;
580 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
581 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
582 const u8 *manufacturer;
583 size_t manufacturer_len;
584 const u8 *model_name;
585 size_t model_name_len;
586 const u8 *model_number;
587 size_t model_number_len;
588 const u8 *serial_number;
589 size_t serial_number_len;
590 const u8 *oob_dev_password;
591 size_t oob_dev_password_len;
593 /* DS Parameter Set IE */
600 u8 service_hash_count;
601 const u8 *service_hash;
603 const u8 *session_info;
604 size_t session_info_len;
611 const u8 *adv_service_instance;
612 size_t adv_service_instance_len;
614 const u8 *session_id;
615 const u8 *session_mac;
617 const u8 *feature_cap;
618 size_t feature_cap_len;
620 const u8 *persistent_dev;
621 const u8 *persistent_ssid;
622 size_t persistent_ssid_len;
626 #define P2P_MAX_GROUP_ENTRIES 50
628 struct p2p_group_info {
629 unsigned int num_clients;
630 struct p2p_client_info {
631 const u8 *p2p_device_addr;
632 const u8 *p2p_interface_addr;
635 const u8 *pri_dev_type;
636 u8 num_sec_dev_types;
637 const u8 *sec_dev_types;
638 const char *dev_name;
640 } client[P2P_MAX_GROUP_ENTRIES];
645 int p2p_random(char *buf, size_t len);
646 int p2p_channel_to_freq(int op_class, int channel);
647 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
648 void p2p_channels_intersect(const struct p2p_channels *a,
649 const struct p2p_channels *b,
650 struct p2p_channels *res);
651 void p2p_channels_union_inplace(struct p2p_channels *res,
652 const struct p2p_channels *b);
653 void p2p_channels_union(const struct p2p_channels *a,
654 const struct p2p_channels *b,
655 struct p2p_channels *res);
656 void p2p_channels_remove_freqs(struct p2p_channels *chan,
657 const struct wpa_freq_range_list *list);
658 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
660 void p2p_channels_dump(struct p2p_data *p2p, const char *title,
661 const struct p2p_channels *chan);
662 int p2p_channel_select(struct p2p_channels *chans, const int *classes,
663 u8 *op_class, u8 *op_channel);
664 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class,
668 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
669 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
670 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
671 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,
672 size_t p2p_len, struct p2p_message *msg);
673 void p2p_parse_free(struct p2p_message *msg);
674 int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
675 int p2p_group_info_parse(const u8 *gi, size_t gi_len,
676 struct p2p_group_info *info);
680 struct p2p_noa_desc {
688 const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
689 u8 p2p_group_presence_req(struct p2p_group *group,
690 const u8 *client_interface_addr,
691 const u8 *noa, size_t noa_len);
692 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
693 size_t group_id_len);
694 void p2p_group_update_ies(struct p2p_group *group);
695 void p2p_group_force_beacon_update_ies(struct p2p_group *group);
696 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
697 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf,
699 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf);
700 int p2p_group_get_freq(struct p2p_group *group);
703 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
704 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
706 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
707 void p2p_buf_add_status(struct wpabuf *buf, u8 status);
708 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
709 struct p2p_device *peer);
710 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
711 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
712 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
713 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
714 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
715 u8 reg_class, u8 channel);
716 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
717 u8 reg_class, u8 channel);
718 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
719 struct p2p_channels *chan);
720 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
722 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
723 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
724 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
725 const u8 *ssid, size_t ssid_len);
726 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
727 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
728 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
729 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
731 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
732 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country,
733 u8 oper_class, u8 channel,
734 enum p2p_role_indication role);
735 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p);
736 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info);
737 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap);
738 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac);
739 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac);
740 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len,
742 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr,
743 const u8 *ssid, size_t ssid_len);
744 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
748 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
749 struct p2p_device *dev);
750 void p2p_free_sd_queries(struct p2p_data *p2p);
751 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
752 const u8 *data, size_t len, int rx_freq);
753 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
754 const u8 *data, size_t len, int rx_freq);
755 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
756 const u8 *data, size_t len, int rx_freq);
757 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
758 const u8 *data, size_t len, int rx_freq);
759 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
762 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
763 struct p2p_device *dev,
764 const u8 *channel_list, size_t channel_list_len);
765 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
766 const u8 *data, size_t len, int rx_freq);
767 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
768 const u8 *data, size_t len, int rx_freq);
769 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
770 const u8 *data, size_t len);
771 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
772 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
773 void p2p_reselect_channel(struct p2p_data *p2p,
774 struct p2p_channels *intersection);
777 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
778 const u8 *data, size_t len, int rx_freq);
779 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
780 const u8 *data, size_t len);
781 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
782 int join, int force_freq);
783 void p2p_reset_pending_pd(struct p2p_data *p2p);
785 /* p2p_invitation.c */
786 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
787 const u8 *data, size_t len, int rx_freq);
788 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
789 const u8 *data, size_t len);
790 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
791 const u8 *go_dev_addr, int dev_pw_id);
792 void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
793 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
796 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
797 const u8 *data, size_t len, int rx_freq);
798 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
799 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
800 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
801 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
802 const u8 *data, size_t len);
803 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
804 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
805 const u8 *data, size_t len, int rx_freq);
808 void p2p_set_state(struct p2p_data *p2p, int new_state);
809 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
811 void p2p_clear_timeout(struct p2p_data *p2p);
812 void p2p_continue_find(struct p2p_data *p2p);
813 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
815 struct p2p_message *msg);
816 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
817 struct p2p_device *dev, struct p2p_message *msg);
818 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
819 struct os_reltime *rx_time, int level, const u8 *ies,
820 size_t ies_len, int scan_res);
821 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
822 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
824 void p2p_go_neg_failed(struct p2p_data *p2p, int status);
825 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
826 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
827 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
828 size_t num_req_dev_type);
829 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
830 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
831 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
832 const u8 *src, const u8 *bssid, const u8 *buf,
833 size_t len, unsigned int wait_time);
834 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
835 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
836 unsigned int force_freq, unsigned int pref_freq,
838 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx);
839 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
841 void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
843 void p2p_err(struct p2p_data *p2p, const char *fmt, ...)