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
18 * A threshold (in seconds) to prefer a direct Probe Response frame from a P2P
19 * Device over the P2P Client Info received from a GO.
21 #define P2P_DEV_GROUP_CLIENT_RESP_THRESHOLD 1
23 enum p2p_role_indication;
26 * To force Service Instances to fit within a single P2P Tag, MAX_SVC_ADV_LEN
27 * must equal 248 or less. Must have a minimum size of 19.
29 #define MAX_SVC_ADV_LEN 600
30 #define MAX_SVC_ADV_IE_LEN (9 + MAX_SVC_ADV_LEN + (5 * (MAX_SVC_ADV_LEN / 240)))
39 * struct p2p_device - P2P Device data (internal to P2P module)
43 struct os_reltime last_seen;
46 enum p2p_wps_method wps_method;
49 struct p2p_peer_info info;
52 * If the peer was discovered based on an interface address (e.g., GO
53 * from Beacon/Probe Response), the interface address is stored here.
54 * p2p_device_addr must still be set in such a case to the unique
55 * identifier for the P2P Device.
57 * This field is also used during P2PS PD to store the intended GO
58 * address of the peer.
60 u8 interface_addr[ETH_ALEN];
63 * P2P Device Address of the GO in whose group this P2P Device is a
66 u8 member_in_go_dev[ETH_ALEN];
69 * P2P Interface Address of the GO in whose group this P2P Device is a
72 u8 member_in_go_iface[ETH_ALEN];
75 enum p2p_go_state go_state;
78 u8 intended_addr[ETH_ALEN];
81 struct p2p_channels channels;
83 u8 oper_ssid[SSID_MAX_LEN];
87 * req_config_methods - Pending provision discovery methods
89 u16 req_config_methods;
92 * wps_prov_info - Stored provisioning WPS config method
94 * This is used to store pending WPS config method between Provisioning
95 * Discovery and connection to a running group.
99 #define P2P_DEV_PROBE_REQ_ONLY BIT(0)
100 #define P2P_DEV_REPORTED BIT(1)
101 #define P2P_DEV_NOT_YET_READY BIT(2)
102 #define P2P_DEV_PD_PEER_DISPLAY BIT(5)
103 #define P2P_DEV_PD_PEER_KEYPAD BIT(6)
104 #define P2P_DEV_USER_REJECTED BIT(7)
105 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
106 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
107 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
108 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
109 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
110 #define P2P_DEV_FORCE_FREQ BIT(13)
111 #define P2P_DEV_PD_FOR_JOIN BIT(14)
112 #define P2P_DEV_REPORTED_ONCE BIT(15)
113 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)
114 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17)
115 #define P2P_DEV_NO_PREF_CHAN BIT(18)
116 #define P2P_DEV_WAIT_INV_REQ_ACK BIT(19)
117 #define P2P_DEV_P2PS_REPORTED BIT(20)
118 #define P2P_DEV_PD_PEER_P2PS BIT(21)
119 #define P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT BIT(22)
123 int status; /* enum p2p_status_code */
124 unsigned int wait_count;
125 unsigned int connect_reqs;
126 unsigned int invitation_reqs;
127 unsigned int sd_reqs;
129 u16 ext_listen_period;
130 u16 ext_listen_interval;
136 * go_neg_conf_sent - Number of GO Negotiation Confirmation retries
141 * freq - Frquency on which the GO Negotiation Confirmation is sent
143 int go_neg_conf_freq;
146 * go_neg_conf - GO Negotiation Confirmation frame
148 struct wpabuf *go_neg_conf;
150 int sd_pending_bcast_queries;
153 struct p2p_sd_query {
154 struct p2p_sd_query *next;
157 int wsd; /* Wi-Fi Display Service Discovery Request */
161 struct p2p_pending_action_tx {
167 unsigned int wait_time;
168 /* Followed by len octets of the frame */
172 * struct p2p_data - P2P module data (internal to P2P module)
176 * cfg - P2P module configuration
178 * This is included in the same memory allocation with the
179 * struct p2p_data and as such, must not be freed separately.
181 struct p2p_config *cfg;
184 * state - The current P2P state
193 * P2P_SEARCH - Search (Device Discovery)
198 * P2P_CONNECT - Trying to start GO Negotiation
203 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
208 * P2P_GO_NEG - In GO Negotiation
213 * P2P_LISTEN_ONLY - Listen only
218 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
220 P2P_WAIT_PEER_CONNECT,
223 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
228 * P2P_SD_DURING_FIND - Service Discovery during find
233 * P2P_PROVISIONING - Provisioning (during group formation)
238 * P2P_PD_DURING_FIND - Provision Discovery during find
243 * P2P_INVITE - Trying to start Invite
248 * P2P_INVITE_LISTEN - Listen during Invite
254 * min_disc_int - minDiscoverableInterval
259 * max_disc_int - maxDiscoverableInterval
264 * max_disc_tu - Maximum number of TUs for discoverable interval
269 * devices - List of known P2P Device peers
271 struct dl_list devices;
274 * go_neg_peer - Pointer to GO Negotiation peer
276 struct p2p_device *go_neg_peer;
279 * invite_peer - Pointer to Invite peer
281 struct p2p_device *invite_peer;
284 * last_p2p_find_oper - Pointer to last pre-find operation peer
286 struct p2p_device *last_p2p_find_oper;
288 const u8 *invite_go_dev_addr;
289 u8 invite_go_dev_addr_buf[ETH_ALEN];
290 int invite_dev_pw_id;
292 unsigned int retry_invite_req:1;
293 unsigned int retry_invite_req_sent:1;
296 * sd_peer - Pointer to Service Discovery peer
298 struct p2p_device *sd_peer;
301 * sd_query - Pointer to Service Discovery query
303 struct p2p_sd_query *sd_query;
306 * num_p2p_sd_queries - Total number of broadcast SD queries present in
309 int num_p2p_sd_queries;
311 /* GO Negotiation data */
314 * intended_addr - Local Intended P2P Interface Address
316 * This address is used during group owner negotiation as the Intended
317 * P2P Interface Address and the group interface will be created with
318 * address as the local address in case of successfully completed
321 u8 intended_addr[ETH_ALEN];
324 * go_intent - Local GO Intent to be used during GO Negotiation
329 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
334 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
336 u8 ssid[SSID_MAX_LEN];
339 * ssid_len - ssid length in octets
344 * ssid_set - Whether SSID is already set for GO Negotiation
349 * Regulatory class for own operational channel
354 * op_channel - Own operational channel
359 * channels - Own supported regulatory classes and channels
361 * List of supposerted channels per regulatory class. The regulatory
362 * classes are defined in IEEE Std 802.11-2007 Annex J and the
363 * numbering of the clases depends on the configured country code.
365 struct p2p_channels channels;
367 struct wpa_freq_range_list no_go_freq;
369 enum p2p_pending_action_state {
370 P2P_NO_PENDING_ACTION,
371 P2P_PENDING_GO_NEG_REQUEST,
372 P2P_PENDING_GO_NEG_RESPONSE,
373 P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
374 P2P_PENDING_GO_NEG_CONFIRM,
377 P2P_PENDING_PD_RESPONSE,
378 P2P_PENDING_INVITATION_REQUEST,
379 P2P_PENDING_INVITATION_RESPONSE,
380 P2P_PENDING_DEV_DISC_REQUEST,
381 P2P_PENDING_DEV_DISC_RESPONSE,
382 P2P_PENDING_GO_DISC_REQ
383 } pending_action_state;
385 unsigned int pending_listen_freq;
386 unsigned int pending_listen_sec;
387 unsigned int pending_listen_usec;
395 * sd_queries - Pending service discovery queries
397 struct p2p_sd_query *sd_queries;
400 * srv_update_indic - Service Update Indicator for local services
402 u16 srv_update_indic;
404 struct wpabuf *sd_resp; /* Fragmented SD response */
405 u8 sd_resp_addr[ETH_ALEN];
406 u8 sd_resp_dialog_token;
407 size_t sd_resp_pos; /* Offset in sd_resp */
410 struct wpabuf *sd_rx_resp; /* Reassembled SD response */
411 u16 sd_rx_update_indic;
413 /* P2P Invitation data */
414 enum p2p_invite_role inv_role;
415 u8 inv_bssid[ETH_ALEN];
417 u8 inv_ssid[SSID_MAX_LEN];
420 u8 inv_group_bssid[ETH_ALEN];
421 u8 *inv_group_bssid_ptr;
422 u8 inv_go_dev_addr[ETH_ALEN];
427 enum p2p_discovery_type find_type;
428 unsigned int last_p2p_find_timeout;
429 u8 last_prog_scan_class;
430 u8 last_prog_scan_chan;
431 int p2p_scan_running;
432 enum p2p_after_scan {
433 P2P_AFTER_SCAN_NOTHING,
434 P2P_AFTER_SCAN_LISTEN,
435 P2P_AFTER_SCAN_CONNECT
437 u8 after_scan_peer[ETH_ALEN];
438 struct p2p_pending_action_tx *after_scan_tx;
439 unsigned int after_scan_tx_in_progress:1;
440 unsigned int send_action_in_progress:1;
442 /* Requested device types for find/search */
443 unsigned int num_req_dev_types;
446 u8 find_dev_id_buf[ETH_ALEN];
448 struct os_reltime find_start; /* time of last p2p_find start */
450 struct p2p_group **groups;
453 struct p2p_device *pending_client_disc_go;
454 u8 pending_client_disc_addr[ETH_ALEN];
455 u8 pending_dev_disc_dialog_token;
456 u8 pending_dev_disc_addr[ETH_ALEN];
457 int pending_dev_disc_freq;
458 unsigned int pending_client_disc_freq;
461 unsigned int ext_listen_period;
462 unsigned int ext_listen_interval;
463 unsigned int ext_listen_interval_sec;
464 unsigned int ext_listen_interval_usec;
466 u8 peer_filter[ETH_ALEN];
472 int best_freq_overall;
473 int own_freq_preference;
476 * wps_vendor_ext - WPS Vendor Extensions to add
478 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
481 * user_initiated_pd - Whether a PD request is user initiated or not.
483 u8 user_initiated_pd;
486 * Keep track of which peer a given PD request was sent to.
487 * Used to raise a timeout alert in case there is no response.
489 u8 pending_pd_devaddr[ETH_ALEN];
492 * Retry counter for provision discovery requests when issued
498 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select
500 * This is is used during PD retries for join-a-group case to use the
501 * correct operating frequency determined from a BSS entry for the GO.
508 /* Extra delay in milliseconds between search iterations */
509 unsigned int search_delay;
512 u8 pending_reg_class;
514 u8 pending_channel_forced;
517 struct p2ps_advertisement *p2ps_adv_list;
518 struct p2ps_provision *p2ps_prov;
519 u8 wild_card_hash[P2PS_HASH_LEN];
521 u8 p2ps_seek_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN];
524 #ifdef CONFIG_WIFI_DISPLAY
525 struct wpabuf *wfd_ie_beacon;
526 struct wpabuf *wfd_ie_probe_req;
527 struct wpabuf *wfd_ie_probe_resp;
528 struct wpabuf *wfd_ie_assoc_req;
529 struct wpabuf *wfd_ie_invitation;
530 struct wpabuf *wfd_ie_prov_disc_req;
531 struct wpabuf *wfd_ie_prov_disc_resp;
532 struct wpabuf *wfd_ie_go_neg;
533 struct wpabuf *wfd_dev_info;
534 struct wpabuf *wfd_assoc_bssid;
535 struct wpabuf *wfd_coupled_sink_info;
536 #endif /* CONFIG_WIFI_DISPLAY */
538 u16 authorized_oob_dev_pw_id;
540 struct wpabuf **vendor_elem;
544 * struct p2p_message - Parsed P2P message (or P2P IE)
547 struct wpabuf *p2p_attributes;
548 struct wpabuf *wps_attributes;
549 struct wpabuf *wfd_subelems;
553 const u8 *capability;
556 const u8 *listen_channel;
557 const u8 *operating_channel;
558 const u8 *channel_list;
560 const u8 *config_timeout;
561 const u8 *intended_addr;
562 const u8 *group_bssid;
563 const u8 *invitation_flags;
565 const u8 *group_info;
566 size_t group_info_len;
573 const u8 *manageability;
578 const u8 *ext_listen_timing;
580 const u8 *minor_reason_code;
582 const u8 *oob_go_neg_channel;
584 /* P2P Device Info */
585 const u8 *p2p_device_info;
586 size_t p2p_device_info_len;
587 const u8 *p2p_device_addr;
588 const u8 *pri_dev_type;
589 u8 num_sec_dev_types;
590 char device_name[WPS_DEV_NAME_MAX_LEN + 1];
595 int dev_password_id_present;
596 u16 wps_config_methods;
597 const u8 *wps_pri_dev_type;
598 const u8 *wps_sec_dev_type_list;
599 size_t wps_sec_dev_type_list_len;
600 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
601 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
602 const u8 *manufacturer;
603 size_t manufacturer_len;
604 const u8 *model_name;
605 size_t model_name_len;
606 const u8 *model_number;
607 size_t model_number_len;
608 const u8 *serial_number;
609 size_t serial_number_len;
610 const u8 *oob_dev_password;
611 size_t oob_dev_password_len;
613 /* DS Parameter Set IE */
620 u8 service_hash_count;
621 const u8 *service_hash;
623 const u8 *session_info;
624 size_t session_info_len;
631 const u8 *adv_service_instance;
632 size_t adv_service_instance_len;
634 const u8 *session_id;
635 const u8 *session_mac;
637 const u8 *feature_cap;
638 size_t feature_cap_len;
640 const u8 *persistent_dev;
641 const u8 *persistent_ssid;
642 size_t persistent_ssid_len;
646 #define P2P_MAX_GROUP_ENTRIES 50
648 struct p2p_group_info {
649 unsigned int num_clients;
650 struct p2p_client_info {
651 const u8 *p2p_device_addr;
652 const u8 *p2p_interface_addr;
655 const u8 *pri_dev_type;
656 u8 num_sec_dev_types;
657 const u8 *sec_dev_types;
658 const char *dev_name;
660 } client[P2P_MAX_GROUP_ENTRIES];
665 int p2p_random(char *buf, size_t len);
666 int p2p_channel_to_freq(int op_class, int channel);
667 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
668 void p2p_channels_intersect(const struct p2p_channels *a,
669 const struct p2p_channels *b,
670 struct p2p_channels *res);
671 void p2p_channels_union_inplace(struct p2p_channels *res,
672 const struct p2p_channels *b);
673 void p2p_channels_union(const struct p2p_channels *a,
674 const struct p2p_channels *b,
675 struct p2p_channels *res);
676 void p2p_channels_remove_freqs(struct p2p_channels *chan,
677 const struct wpa_freq_range_list *list);
678 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
680 void p2p_channels_dump(struct p2p_data *p2p, const char *title,
681 const struct p2p_channels *chan);
682 int p2p_channel_select(struct p2p_channels *chans, const int *classes,
683 u8 *op_class, u8 *op_channel);
684 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class,
688 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
689 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
690 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
691 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,
692 size_t p2p_len, struct p2p_message *msg);
693 void p2p_parse_free(struct p2p_message *msg);
694 int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
695 int p2p_group_info_parse(const u8 *gi, size_t gi_len,
696 struct p2p_group_info *info);
700 struct p2p_noa_desc {
708 const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
709 u8 p2p_group_presence_req(struct p2p_group *group,
710 const u8 *client_interface_addr,
711 const u8 *noa, size_t noa_len);
712 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
713 size_t group_id_len);
714 void p2p_group_update_ies(struct p2p_group *group);
715 void p2p_group_force_beacon_update_ies(struct p2p_group *group);
716 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
717 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf,
719 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf);
720 int p2p_group_get_freq(struct p2p_group *group);
723 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
724 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
726 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
727 void p2p_buf_add_status(struct wpabuf *buf, u8 status);
728 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
729 struct p2p_device *peer);
730 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
731 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
732 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
733 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
734 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
735 u8 reg_class, u8 channel);
736 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
737 u8 reg_class, u8 channel);
738 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
739 struct p2p_channels *chan);
740 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
742 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
743 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
744 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
745 const u8 *ssid, size_t ssid_len);
746 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
747 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
748 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
749 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
751 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
752 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country,
753 u8 oper_class, u8 channel,
754 enum p2p_role_indication role);
755 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p);
756 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info);
757 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap);
758 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac);
759 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p,
760 u8 count, const u8 *hash,
761 struct p2ps_advertisement *adv_list);
762 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac);
763 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len,
765 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr,
766 const u8 *ssid, size_t ssid_len);
767 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
771 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
772 struct p2p_device *dev);
773 void p2p_free_sd_queries(struct p2p_data *p2p);
774 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
775 const u8 *data, size_t len, int rx_freq);
776 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
777 const u8 *data, size_t len, int rx_freq);
778 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
779 const u8 *data, size_t len, int rx_freq);
780 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
781 const u8 *data, size_t len, int rx_freq);
782 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
785 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
786 struct p2p_device *dev,
787 const u8 *channel_list, size_t channel_list_len);
788 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
789 const u8 *data, size_t len, int rx_freq);
790 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
791 const u8 *data, size_t len, int rx_freq);
792 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
793 const u8 *data, size_t len);
794 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
795 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
796 void p2p_reselect_channel(struct p2p_data *p2p,
797 struct p2p_channels *intersection);
800 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
801 const u8 *data, size_t len, int rx_freq);
802 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
803 const u8 *data, size_t len);
804 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
805 int join, int force_freq);
806 void p2p_reset_pending_pd(struct p2p_data *p2p);
807 void p2ps_prov_free(struct p2p_data *p2p);
809 /* p2p_invitation.c */
810 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
811 const u8 *data, size_t len, int rx_freq);
812 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
813 const u8 *data, size_t len);
814 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
815 const u8 *go_dev_addr, int dev_pw_id);
816 void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
817 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
820 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
821 const u8 *data, size_t len, int rx_freq);
822 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
823 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
824 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
825 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
826 const u8 *data, size_t len);
827 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
828 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
829 const u8 *data, size_t len, int rx_freq);
832 void p2p_set_state(struct p2p_data *p2p, int new_state);
833 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
835 void p2p_clear_timeout(struct p2p_data *p2p);
836 void p2p_continue_find(struct p2p_data *p2p);
837 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
839 struct p2p_message *msg);
840 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
841 struct p2p_device *dev, struct p2p_message *msg);
842 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
843 struct os_reltime *rx_time, int level, const u8 *ies,
844 size_t ies_len, int scan_res);
845 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
846 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
848 void p2p_go_neg_failed(struct p2p_data *p2p, int status);
849 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
850 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
851 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
852 size_t num_req_dev_type);
853 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p,
854 const u8 *query_hash,
856 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
857 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
858 const u8 *src, const u8 *bssid, const u8 *buf,
859 size_t len, unsigned int wait_time);
860 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
861 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
862 unsigned int force_freq, unsigned int pref_freq,
864 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx);
865 int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev,
867 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
869 void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
871 void p2p_err(struct p2p_data *p2p, const char *fmt, ...)