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)
110 int status; /* enum p2p_status_code */
111 unsigned int wait_count;
112 unsigned int connect_reqs;
113 unsigned int invitation_reqs;
114 unsigned int sd_reqs;
116 u16 ext_listen_period;
117 u16 ext_listen_interval;
123 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries
128 * freq - Frquency on which the GO Negotiation Confirmation is sent
130 int go_neg_conf_freq;
133 * go_neg_conf - GO Negotiation Confirmation frame
135 struct wpabuf *go_neg_conf;
137 int sd_pending_bcast_queries;
140 struct p2p_sd_query {
141 struct p2p_sd_query *next;
144 int wsd; /* Wi-Fi Display Service Discovery Request */
148 struct p2p_pending_action_tx {
154 unsigned int wait_time;
155 /* Followed by len octets of the frame */
159 * struct p2p_data - P2P module data (internal to P2P module)
163 * cfg - P2P module configuration
165 * This is included in the same memory allocation with the
166 * struct p2p_data and as such, must not be freed separately.
168 struct p2p_config *cfg;
171 * state - The current P2P state
180 * P2P_SEARCH - Search (Device Discovery)
185 * P2P_CONNECT - Trying to start GO Negotiation
190 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
195 * P2P_GO_NEG - In GO Negotiation
200 * P2P_LISTEN_ONLY - Listen only
205 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
207 P2P_WAIT_PEER_CONNECT,
210 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
215 * P2P_SD_DURING_FIND - Service Discovery during find
220 * P2P_PROVISIONING - Provisioning (during group formation)
225 * P2P_PD_DURING_FIND - Provision Discovery during find
230 * P2P_INVITE - Trying to start Invite
235 * P2P_INVITE_LISTEN - Listen during Invite
241 * min_disc_int - minDiscoverableInterval
246 * max_disc_int - maxDiscoverableInterval
251 * max_disc_tu - Maximum number of TUs for discoverable interval
256 * devices - List of known P2P Device peers
258 struct dl_list devices;
261 * go_neg_peer - Pointer to GO Negotiation peer
263 struct p2p_device *go_neg_peer;
266 * invite_peer - Pointer to Invite peer
268 struct p2p_device *invite_peer;
271 * last_p2p_find_oper - Pointer to last pre-find operation peer
273 struct p2p_device *last_p2p_find_oper;
275 const u8 *invite_go_dev_addr;
276 u8 invite_go_dev_addr_buf[ETH_ALEN];
277 int invite_dev_pw_id;
279 unsigned int retry_invite_req:1;
280 unsigned int retry_invite_req_sent:1;
283 * sd_peer - Pointer to Service Discovery peer
285 struct p2p_device *sd_peer;
288 * sd_query - Pointer to Service Discovery query
290 struct p2p_sd_query *sd_query;
293 * num_p2p_sd_queries - Total number of broadcast SD queries present in
296 int num_p2p_sd_queries;
298 /* GO Negotiation data */
301 * intended_addr - Local Intended P2P Interface Address
303 * This address is used during group owner negotiation as the Intended
304 * P2P Interface Address and the group interface will be created with
305 * address as the local address in case of successfully completed
308 u8 intended_addr[ETH_ALEN];
311 * go_intent - Local GO Intent to be used during GO Negotiation
316 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
321 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
326 * ssid_len - ssid length in octets
331 * ssid_set - Whether SSID is already set for GO Negotiation
336 * Regulatory class for own operational channel
341 * op_channel - Own operational channel
346 * channels - Own supported regulatory classes and channels
348 * List of supposerted channels per regulatory class. The regulatory
349 * classes are defined in IEEE Std 802.11-2007 Annex J and the
350 * numbering of the clases depends on the configured country code.
352 struct p2p_channels channels;
354 struct wpa_freq_range_list no_go_freq;
356 enum p2p_pending_action_state {
357 P2P_NO_PENDING_ACTION,
358 P2P_PENDING_GO_NEG_REQUEST,
359 P2P_PENDING_GO_NEG_RESPONSE,
360 P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
361 P2P_PENDING_GO_NEG_CONFIRM,
364 P2P_PENDING_INVITATION_REQUEST,
365 P2P_PENDING_INVITATION_RESPONSE,
366 P2P_PENDING_DEV_DISC_REQUEST,
367 P2P_PENDING_DEV_DISC_RESPONSE,
368 P2P_PENDING_GO_DISC_REQ
369 } pending_action_state;
371 unsigned int pending_listen_freq;
372 unsigned int pending_listen_sec;
373 unsigned int pending_listen_usec;
381 * sd_queries - Pending service discovery queries
383 struct p2p_sd_query *sd_queries;
386 * srv_update_indic - Service Update Indicator for local services
388 u16 srv_update_indic;
390 struct wpabuf *sd_resp; /* Fragmented SD response */
391 u8 sd_resp_addr[ETH_ALEN];
392 u8 sd_resp_dialog_token;
393 size_t sd_resp_pos; /* Offset in sd_resp */
396 struct wpabuf *sd_rx_resp; /* Reassembled SD response */
397 u16 sd_rx_update_indic;
399 /* P2P Invitation data */
400 enum p2p_invite_role inv_role;
401 u8 inv_bssid[ETH_ALEN];
406 u8 inv_group_bssid[ETH_ALEN];
407 u8 *inv_group_bssid_ptr;
408 u8 inv_go_dev_addr[ETH_ALEN];
413 enum p2p_discovery_type find_type;
414 unsigned int last_p2p_find_timeout;
415 u8 last_prog_scan_class;
416 u8 last_prog_scan_chan;
417 int p2p_scan_running;
418 enum p2p_after_scan {
419 P2P_AFTER_SCAN_NOTHING,
420 P2P_AFTER_SCAN_LISTEN,
421 P2P_AFTER_SCAN_CONNECT
423 u8 after_scan_peer[ETH_ALEN];
424 struct p2p_pending_action_tx *after_scan_tx;
425 unsigned int after_scan_tx_in_progress:1;
426 unsigned int send_action_in_progress:1;
428 /* Requested device types for find/search */
429 unsigned int num_req_dev_types;
432 u8 find_dev_id_buf[ETH_ALEN];
434 struct os_reltime find_start; /* time of last p2p_find start */
436 struct p2p_group **groups;
439 struct p2p_device *pending_client_disc_go;
440 u8 pending_client_disc_addr[ETH_ALEN];
441 u8 pending_dev_disc_dialog_token;
442 u8 pending_dev_disc_addr[ETH_ALEN];
443 int pending_dev_disc_freq;
444 unsigned int pending_client_disc_freq;
447 unsigned int ext_listen_period;
448 unsigned int ext_listen_interval;
449 unsigned int ext_listen_interval_sec;
450 unsigned int ext_listen_interval_usec;
452 u8 peer_filter[ETH_ALEN];
458 int best_freq_overall;
459 int own_freq_preference;
462 * wps_vendor_ext - WPS Vendor Extensions to add
464 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
467 * user_initiated_pd - Whether a PD request is user initiated or not.
469 u8 user_initiated_pd;
472 * Keep track of which peer a given PD request was sent to.
473 * Used to raise a timeout alert in case there is no response.
475 u8 pending_pd_devaddr[ETH_ALEN];
478 * Retry counter for provision discovery requests when issued
484 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select
486 * This is is used during PD retries for join-a-group case to use the
487 * correct operating frequency determined from a BSS entry for the GO.
494 /* Extra delay in milliseconds between search iterations */
495 unsigned int search_delay;
498 u8 pending_reg_class;
500 u8 pending_channel_forced;
503 struct p2ps_advertisement *p2ps_adv_list;
504 u8 wild_card_hash[P2PS_HASH_LEN];
505 u8 query_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN];
511 #ifdef CONFIG_WIFI_DISPLAY
512 struct wpabuf *wfd_ie_beacon;
513 struct wpabuf *wfd_ie_probe_req;
514 struct wpabuf *wfd_ie_probe_resp;
515 struct wpabuf *wfd_ie_assoc_req;
516 struct wpabuf *wfd_ie_invitation;
517 struct wpabuf *wfd_ie_prov_disc_req;
518 struct wpabuf *wfd_ie_prov_disc_resp;
519 struct wpabuf *wfd_ie_go_neg;
520 struct wpabuf *wfd_dev_info;
521 struct wpabuf *wfd_assoc_bssid;
522 struct wpabuf *wfd_coupled_sink_info;
523 #endif /* CONFIG_WIFI_DISPLAY */
525 u16 authorized_oob_dev_pw_id;
527 struct wpabuf **vendor_elem;
531 * struct p2p_message - Parsed P2P message (or P2P IE)
534 struct wpabuf *p2p_attributes;
535 struct wpabuf *wps_attributes;
536 struct wpabuf *wfd_subelems;
540 const u8 *capability;
543 const u8 *listen_channel;
544 const u8 *operating_channel;
545 const u8 *channel_list;
547 const u8 *config_timeout;
548 const u8 *intended_addr;
549 const u8 *group_bssid;
550 const u8 *invitation_flags;
552 const u8 *group_info;
553 size_t group_info_len;
560 const u8 *manageability;
565 const u8 *ext_listen_timing;
567 const u8 *minor_reason_code;
569 const u8 *oob_go_neg_channel;
571 /* P2P Device Info */
572 const u8 *p2p_device_info;
573 size_t p2p_device_info_len;
574 const u8 *p2p_device_addr;
575 const u8 *pri_dev_type;
576 u8 num_sec_dev_types;
577 char device_name[33];
582 int dev_password_id_present;
583 u16 wps_config_methods;
584 const u8 *wps_pri_dev_type;
585 const u8 *wps_sec_dev_type_list;
586 size_t wps_sec_dev_type_list_len;
587 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
588 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
589 const u8 *manufacturer;
590 size_t manufacturer_len;
591 const u8 *model_name;
592 size_t model_name_len;
593 const u8 *model_number;
594 size_t model_number_len;
595 const u8 *serial_number;
596 size_t serial_number_len;
597 const u8 *oob_dev_password;
598 size_t oob_dev_password_len;
600 /* DS Parameter Set IE */
607 u8 service_hash_count;
608 const u8 *service_hash;
610 const u8 *session_info;
611 size_t session_info_len;
618 const u8 *adv_service_instance;
619 size_t adv_service_instance_len;
621 const u8 *session_id;
622 const u8 *session_mac;
624 const u8 *feature_cap;
625 size_t feature_cap_len;
627 const u8 *persistent_dev;
628 const u8 *persistent_ssid;
629 size_t persistent_ssid_len;
633 #define P2P_MAX_GROUP_ENTRIES 50
635 struct p2p_group_info {
636 unsigned int num_clients;
637 struct p2p_client_info {
638 const u8 *p2p_device_addr;
639 const u8 *p2p_interface_addr;
642 const u8 *pri_dev_type;
643 u8 num_sec_dev_types;
644 const u8 *sec_dev_types;
645 const char *dev_name;
647 } client[P2P_MAX_GROUP_ENTRIES];
652 int p2p_random(char *buf, size_t len);
653 int p2p_channel_to_freq(int op_class, int channel);
654 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
655 void p2p_channels_intersect(const struct p2p_channels *a,
656 const struct p2p_channels *b,
657 struct p2p_channels *res);
658 void p2p_channels_union_inplace(struct p2p_channels *res,
659 const struct p2p_channels *b);
660 void p2p_channels_union(const struct p2p_channels *a,
661 const struct p2p_channels *b,
662 struct p2p_channels *res);
663 void p2p_channels_remove_freqs(struct p2p_channels *chan,
664 const struct wpa_freq_range_list *list);
665 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
667 void p2p_channels_dump(struct p2p_data *p2p, const char *title,
668 const struct p2p_channels *chan);
669 int p2p_channel_select(struct p2p_channels *chans, const int *classes,
670 u8 *op_class, u8 *op_channel);
671 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class,
675 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
676 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
677 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
678 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,
679 size_t p2p_len, struct p2p_message *msg);
680 void p2p_parse_free(struct p2p_message *msg);
681 int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
682 int p2p_group_info_parse(const u8 *gi, size_t gi_len,
683 struct p2p_group_info *info);
687 struct p2p_noa_desc {
695 const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
696 u8 p2p_group_presence_req(struct p2p_group *group,
697 const u8 *client_interface_addr,
698 const u8 *noa, size_t noa_len);
699 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
700 size_t group_id_len);
701 void p2p_group_update_ies(struct p2p_group *group);
702 void p2p_group_force_beacon_update_ies(struct p2p_group *group);
703 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
704 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf,
706 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf);
707 int p2p_group_get_freq(struct p2p_group *group);
710 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
711 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
713 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
714 void p2p_buf_add_status(struct wpabuf *buf, u8 status);
715 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
716 struct p2p_device *peer);
717 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
718 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
719 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
720 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
721 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
722 u8 reg_class, u8 channel);
723 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
724 u8 reg_class, u8 channel);
725 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
726 struct p2p_channels *chan);
727 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
729 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
730 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
731 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
732 const u8 *ssid, size_t ssid_len);
733 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
734 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
735 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
736 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
738 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
739 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country,
740 u8 oper_class, u8 channel,
741 enum p2p_role_indication role);
742 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p);
743 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info);
744 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap);
745 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac);
746 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p,
747 u8 count, const u8 *hash,
748 struct p2ps_advertisement *adv_list);
749 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac);
750 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len,
752 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr,
753 const u8 *ssid, size_t ssid_len);
754 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
758 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
759 struct p2p_device *dev);
760 void p2p_free_sd_queries(struct p2p_data *p2p);
761 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
762 const u8 *data, size_t len, int rx_freq);
763 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
764 const u8 *data, size_t len, int rx_freq);
765 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
766 const u8 *data, size_t len, int rx_freq);
767 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
768 const u8 *data, size_t len, int rx_freq);
769 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
772 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
773 struct p2p_device *dev,
774 const u8 *channel_list, size_t channel_list_len);
775 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
776 const u8 *data, size_t len, int rx_freq);
777 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
778 const u8 *data, size_t len, int rx_freq);
779 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
780 const u8 *data, size_t len);
781 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
782 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
783 void p2p_reselect_channel(struct p2p_data *p2p,
784 struct p2p_channels *intersection);
787 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
788 const u8 *data, size_t len, int rx_freq);
789 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
790 const u8 *data, size_t len);
791 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
792 int join, int force_freq);
793 void p2p_reset_pending_pd(struct p2p_data *p2p);
795 /* p2p_invitation.c */
796 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
797 const u8 *data, size_t len, int rx_freq);
798 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
799 const u8 *data, size_t len);
800 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
801 const u8 *go_dev_addr, int dev_pw_id);
802 void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
803 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
806 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
807 const u8 *data, size_t len, int rx_freq);
808 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
809 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
810 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
811 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
812 const u8 *data, size_t len);
813 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
814 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
815 const u8 *data, size_t len, int rx_freq);
818 void p2p_set_state(struct p2p_data *p2p, int new_state);
819 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
821 void p2p_clear_timeout(struct p2p_data *p2p);
822 void p2p_continue_find(struct p2p_data *p2p);
823 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
825 struct p2p_message *msg);
826 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
827 struct p2p_device *dev, struct p2p_message *msg);
828 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
829 struct os_reltime *rx_time, int level, const u8 *ies,
830 size_t ies_len, int scan_res);
831 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
832 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
834 void p2p_go_neg_failed(struct p2p_data *p2p, int status);
835 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
836 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
837 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
838 size_t num_req_dev_type);
839 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
840 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
841 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
842 const u8 *src, const u8 *bssid, const u8 *buf,
843 size_t len, unsigned int wait_time);
844 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
845 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
846 unsigned int force_freq, unsigned int pref_freq,
848 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx);
849 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
851 void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
853 void p2p_err(struct p2p_data *p2p, const char *fmt, ...)