p2p_i.h revision b6e9aaf735990dc64cdb6efccc03d076768eabf3
1/*
2 * P2P - Internal definitions for P2P module
3 * Copyright (c) 2009-2010, Atheros Communications
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#ifndef P2P_I_H
10#define P2P_I_H
11
12#include "utils/list.h"
13#include "p2p.h"
14
15enum p2p_go_state {
16	UNKNOWN_GO,
17	LOCAL_GO,
18	REMOTE_GO
19};
20
21/**
22 * struct p2p_device - P2P Device data (internal to P2P module)
23 */
24struct p2p_device {
25	struct dl_list list;
26	struct os_time last_seen;
27	int listen_freq;
28	enum p2p_wps_method wps_method;
29
30	struct p2p_peer_info info;
31
32	/*
33	 * If the peer was discovered based on an interface address (e.g., GO
34	 * from Beacon/Probe Response), the interface address is stored here.
35	 * p2p_device_addr must still be set in such a case to the unique
36	 * identifier for the P2P Device.
37	 */
38	u8 interface_addr[ETH_ALEN];
39
40	/*
41	 * P2P Device Address of the GO in whose group this P2P Device is a
42	 * client.
43	 */
44	u8 member_in_go_dev[ETH_ALEN];
45
46	/*
47	 * P2P Interface Address of the GO in whose group this P2P Device is a
48	 * client.
49	 */
50	u8 member_in_go_iface[ETH_ALEN];
51
52	int go_neg_req_sent;
53	enum p2p_go_state go_state;
54	u8 dialog_token;
55	u8 tie_breaker;
56	u8 intended_addr[ETH_ALEN];
57
58	char country[3];
59	struct p2p_channels channels;
60	int oper_freq;
61	u8 oper_ssid[32];
62	size_t oper_ssid_len;
63
64	/**
65	 * req_config_methods - Pending provision discovery methods
66	 */
67	u16 req_config_methods;
68
69	/**
70	 * wps_prov_info - Stored provisioning WPS config method
71	 *
72	 * This is used to store pending WPS config method between Provisioning
73	 * Discovery and connection to a running group.
74	 */
75	u16 wps_prov_info;
76
77#define P2P_DEV_PROBE_REQ_ONLY BIT(0)
78#define P2P_DEV_REPORTED BIT(1)
79#define P2P_DEV_NOT_YET_READY BIT(2)
80#define P2P_DEV_SD_INFO BIT(3)
81#define P2P_DEV_SD_SCHEDULE BIT(4)
82#define P2P_DEV_PD_PEER_DISPLAY BIT(5)
83#define P2P_DEV_PD_PEER_KEYPAD BIT(6)
84#define P2P_DEV_USER_REJECTED BIT(7)
85#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
86#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
87#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
88#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
89#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
90#define P2P_DEV_FORCE_FREQ BIT(13)
91#define P2P_DEV_PD_FOR_JOIN BIT(14)
92#define P2P_DEV_REPORTED_ONCE BIT(15)
93#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)
94#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17)
95#define P2P_DEV_NO_PREF_CHAN BIT(18)
96	unsigned int flags;
97
98	int status; /* enum p2p_status_code */
99	unsigned int wait_count;
100	unsigned int connect_reqs;
101	unsigned int invitation_reqs;
102
103	u16 ext_listen_period;
104	u16 ext_listen_interval;
105
106	u8 go_timeout;
107	u8 client_timeout;
108};
109
110struct p2p_sd_query {
111	struct p2p_sd_query *next;
112	u8 peer[ETH_ALEN];
113	int for_all_peers;
114	int wsd; /* Wi-Fi Display Service Discovery Request */
115	struct wpabuf *tlvs;
116};
117
118struct p2p_pending_action_tx {
119	unsigned int freq;
120	u8 dst[ETH_ALEN];
121	u8 src[ETH_ALEN];
122	u8 bssid[ETH_ALEN];
123	size_t len;
124	unsigned int wait_time;
125	/* Followed by len octets of the frame */
126};
127
128/**
129 * struct p2p_data - P2P module data (internal to P2P module)
130 */
131struct p2p_data {
132	/**
133	 * cfg - P2P module configuration
134	 *
135	 * This is included in the same memory allocation with the
136	 * struct p2p_data and as such, must not be freed separately.
137	 */
138	struct p2p_config *cfg;
139
140	/**
141	 * state - The current P2P state
142	 */
143	enum p2p_state {
144		/**
145		 * P2P_IDLE - Idle
146		 */
147		P2P_IDLE,
148
149		/**
150		 * P2P_SEARCH - Search (Device Discovery)
151		 */
152		P2P_SEARCH,
153
154		/**
155		 * P2P_CONNECT - Trying to start GO Negotiation
156		 */
157		P2P_CONNECT,
158
159		/**
160		 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
161		 */
162		P2P_CONNECT_LISTEN,
163
164		/**
165		 * P2P_GO_NEG - In GO Negotiation
166		 */
167		P2P_GO_NEG,
168
169		/**
170		 * P2P_LISTEN_ONLY - Listen only
171		 */
172		P2P_LISTEN_ONLY,
173
174		/**
175		 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
176		 */
177		P2P_WAIT_PEER_CONNECT,
178
179		/**
180		 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
181		 */
182		P2P_WAIT_PEER_IDLE,
183
184		/**
185		 * P2P_SD_DURING_FIND - Service Discovery during find
186		 */
187		P2P_SD_DURING_FIND,
188
189		/**
190		 * P2P_PROVISIONING - Provisioning (during group formation)
191		 */
192		P2P_PROVISIONING,
193
194		/**
195		 * P2P_PD_DURING_FIND - Provision Discovery during find
196		 */
197		P2P_PD_DURING_FIND,
198
199		/**
200		 * P2P_INVITE - Trying to start Invite
201		 */
202		P2P_INVITE,
203
204		/**
205		 * P2P_INVITE_LISTEN - Listen during Invite
206		 */
207		P2P_INVITE_LISTEN,
208
209		/**
210		 * P2P_SEARCH_WHEN_READY - Waiting to start Search
211		 */
212		P2P_SEARCH_WHEN_READY,
213
214		/**
215		 * P2P_CONTINUE_SEARCH_WHEN_READY - Waiting to continue Search
216		 */
217		P2P_CONTINUE_SEARCH_WHEN_READY,
218	} state;
219
220	/**
221	 * min_disc_int - minDiscoverableInterval
222	 */
223	int min_disc_int;
224
225	/**
226	 * max_disc_int - maxDiscoverableInterval
227	 */
228	int max_disc_int;
229
230	/**
231	 * max_disc_tu - Maximum number of TUs for discoverable interval
232	 */
233	int max_disc_tu;
234
235	/**
236	 * devices - List of known P2P Device peers
237	 */
238	struct dl_list devices;
239
240#ifdef ANDROID_P2P
241	/**
242	 * sd_dev_list - device pointer to be serviced next
243	 * for service discovery
244	 */
245	struct dl_list *sd_dev_list;
246#endif
247
248	/**
249	 * go_neg_peer - Pointer to GO Negotiation peer
250	 */
251	struct p2p_device *go_neg_peer;
252
253	/**
254	 * invite_peer - Pointer to Invite peer
255	 */
256	struct p2p_device *invite_peer;
257
258	const u8 *invite_go_dev_addr;
259	u8 invite_go_dev_addr_buf[ETH_ALEN];
260
261	/**
262	 * sd_peer - Pointer to Service Discovery peer
263	 */
264	struct p2p_device *sd_peer;
265
266	/**
267	 * sd_query - Pointer to Service Discovery query
268	 */
269	struct p2p_sd_query *sd_query;
270
271	/* GO Negotiation data */
272
273	/**
274	 * intended_addr - Local Intended P2P Interface Address
275	 *
276	 * This address is used during group owner negotiation as the Intended
277	 * P2P Interface Address and the group interface will be created with
278	 * address as the local address in case of successfully completed
279	 * negotiation.
280	 */
281	u8 intended_addr[ETH_ALEN];
282
283	/**
284	 * go_intent - Local GO Intent to be used during GO Negotiation
285	 */
286	u8 go_intent;
287
288	/**
289	 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
290	 */
291	u8 next_tie_breaker;
292
293	/**
294	 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
295	 */
296	u8 ssid[32];
297
298	/**
299	 * ssid_len - ssid length in octets
300	 */
301	size_t ssid_len;
302
303	/**
304	 * ssid_set - Whether SSID is already set for GO Negotiation
305	 */
306	int ssid_set;
307
308	/**
309	 * Regulatory class for own operational channel
310	 */
311	u8 op_reg_class;
312
313	/**
314	 * op_channel - Own operational channel
315	 */
316	u8 op_channel;
317
318	/**
319	 * channels - Own supported regulatory classes and channels
320	 *
321	 * List of supposerted channels per regulatory class. The regulatory
322	 * classes are defined in IEEE Std 802.11-2007 Annex J and the
323	 * numbering of the clases depends on the configured country code.
324	 */
325	struct p2p_channels channels;
326
327	enum p2p_pending_action_state {
328		P2P_NO_PENDING_ACTION,
329		P2P_PENDING_GO_NEG_REQUEST,
330		P2P_PENDING_GO_NEG_RESPONSE,
331		P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
332		P2P_PENDING_GO_NEG_CONFIRM,
333		P2P_PENDING_SD,
334		P2P_PENDING_PD,
335		P2P_PENDING_INVITATION_REQUEST,
336		P2P_PENDING_INVITATION_RESPONSE,
337		P2P_PENDING_DEV_DISC_REQUEST,
338		P2P_PENDING_DEV_DISC_RESPONSE,
339		P2P_PENDING_GO_DISC_REQ
340	} pending_action_state;
341
342	unsigned int pending_listen_freq;
343	unsigned int pending_listen_sec;
344	unsigned int pending_listen_usec;
345
346	u8 dev_capab;
347
348	int in_listen;
349	int drv_in_listen;
350
351	/**
352	 * sd_queries - Pending service discovery queries
353	 */
354	struct p2p_sd_query *sd_queries;
355
356	/**
357	 * srv_update_indic - Service Update Indicator for local services
358	 */
359	u16 srv_update_indic;
360#ifdef ANDROID_P2P
361	/**
362	 * srv_count - Registered services count
363	 */
364	u16 srv_count;
365#endif
366	struct wpabuf *sd_resp; /* Fragmented SD response */
367	u8 sd_resp_addr[ETH_ALEN];
368	u8 sd_resp_dialog_token;
369	size_t sd_resp_pos; /* Offset in sd_resp */
370	u8 sd_frag_id;
371
372	struct wpabuf *sd_rx_resp; /* Reassembled SD response */
373	u16 sd_rx_update_indic;
374
375	/* P2P Invitation data */
376	enum p2p_invite_role inv_role;
377	u8 inv_bssid[ETH_ALEN];
378	int inv_bssid_set;
379	u8 inv_ssid[32];
380	size_t inv_ssid_len;
381	u8 inv_sa[ETH_ALEN];
382	u8 inv_group_bssid[ETH_ALEN];
383	u8 *inv_group_bssid_ptr;
384	u8 inv_go_dev_addr[ETH_ALEN];
385	u8 inv_status;
386	int inv_op_freq;
387	int inv_persistent;
388
389	enum p2p_discovery_type find_type;
390	unsigned int last_p2p_find_timeout;
391	u8 last_prog_scan_class;
392	u8 last_prog_scan_chan;
393	int p2p_scan_running;
394	enum p2p_after_scan {
395		P2P_AFTER_SCAN_NOTHING,
396		P2P_AFTER_SCAN_LISTEN,
397		P2P_AFTER_SCAN_CONNECT
398	} start_after_scan;
399	u8 after_scan_peer[ETH_ALEN];
400	struct p2p_pending_action_tx *after_scan_tx;
401	unsigned int after_scan_tx_in_progress:1;
402
403	/* Requested device types for find/search */
404	unsigned int num_req_dev_types;
405	u8 *req_dev_types;
406	u8 *find_dev_id;
407	u8 find_dev_id_buf[ETH_ALEN];
408
409	struct os_time find_start; /* time of last p2p_find start */
410
411	struct p2p_group **groups;
412	size_t num_groups;
413
414	struct p2p_device *pending_client_disc_go;
415	u8 pending_client_disc_addr[ETH_ALEN];
416	u8 pending_dev_disc_dialog_token;
417	u8 pending_dev_disc_addr[ETH_ALEN];
418	int pending_dev_disc_freq;
419	unsigned int pending_client_disc_freq;
420
421	int ext_listen_only;
422	unsigned int ext_listen_period;
423	unsigned int ext_listen_interval;
424	unsigned int ext_listen_interval_sec;
425	unsigned int ext_listen_interval_usec;
426
427	u8 peer_filter[ETH_ALEN];
428
429	int cross_connect;
430
431	int best_freq_24;
432	int best_freq_5;
433	int best_freq_overall;
434	int own_freq_preference;
435
436	/**
437	 * wps_vendor_ext - WPS Vendor Extensions to add
438	 */
439	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
440
441	/*
442	 * user_initiated_pd - Whether a PD request is user initiated or not.
443	 */
444	u8 user_initiated_pd;
445
446	/*
447	 * Keep track of which peer a given PD request was sent to.
448	 * Used to raise a timeout alert in case there is no response.
449	 */
450	u8 pending_pd_devaddr[ETH_ALEN];
451
452	/*
453	 * Retry counter for provision discovery requests when issued
454	 * in IDLE state.
455	 */
456	int pd_retries;
457
458	u8 go_timeout;
459	u8 client_timeout;
460
461	/* Extra delay in milliseconds between search iterations */
462	unsigned int search_delay;
463	int in_search_delay;
464
465#ifdef CONFIG_WIFI_DISPLAY
466	struct wpabuf *wfd_ie_beacon;
467	struct wpabuf *wfd_ie_probe_req;
468	struct wpabuf *wfd_ie_probe_resp;
469	struct wpabuf *wfd_ie_assoc_req;
470	struct wpabuf *wfd_ie_invitation;
471	struct wpabuf *wfd_ie_prov_disc_req;
472	struct wpabuf *wfd_ie_prov_disc_resp;
473	struct wpabuf *wfd_ie_go_neg;
474	struct wpabuf *wfd_dev_info;
475	struct wpabuf *wfd_assoc_bssid;
476	struct wpabuf *wfd_coupled_sink_info;
477#endif /* CONFIG_WIFI_DISPLAY */
478};
479
480/**
481 * struct p2p_message - Parsed P2P message (or P2P IE)
482 */
483struct p2p_message {
484	struct wpabuf *p2p_attributes;
485	struct wpabuf *wps_attributes;
486	struct wpabuf *wfd_subelems;
487
488	u8 dialog_token;
489
490	const u8 *capability;
491	const u8 *go_intent;
492	const u8 *status;
493	const u8 *listen_channel;
494	const u8 *operating_channel;
495	const u8 *channel_list;
496	u8 channel_list_len;
497	const u8 *config_timeout;
498	const u8 *intended_addr;
499	const u8 *group_bssid;
500	const u8 *invitation_flags;
501
502	const u8 *group_info;
503	size_t group_info_len;
504
505	const u8 *group_id;
506	size_t group_id_len;
507
508	const u8 *device_id;
509
510	const u8 *manageability;
511
512	const u8 *noa;
513	size_t noa_len;
514
515	const u8 *ext_listen_timing;
516
517	const u8 *minor_reason_code;
518
519	/* P2P Device Info */
520	const u8 *p2p_device_info;
521	size_t p2p_device_info_len;
522	const u8 *p2p_device_addr;
523	const u8 *pri_dev_type;
524	u8 num_sec_dev_types;
525	char device_name[33];
526	u16 config_methods;
527
528	/* WPS IE */
529	u16 dev_password_id;
530	u16 wps_config_methods;
531	const u8 *wps_pri_dev_type;
532	const u8 *wps_sec_dev_type_list;
533	size_t wps_sec_dev_type_list_len;
534	const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
535	size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
536	const u8 *manufacturer;
537	size_t manufacturer_len;
538	const u8 *model_name;
539	size_t model_name_len;
540	const u8 *model_number;
541	size_t model_number_len;
542	const u8 *serial_number;
543	size_t serial_number_len;
544
545	/* DS Parameter Set IE */
546	const u8 *ds_params;
547
548	/* SSID IE */
549	const u8 *ssid;
550};
551
552
553#define P2P_MAX_GROUP_ENTRIES 50
554
555struct p2p_group_info {
556	unsigned int num_clients;
557	struct p2p_client_info {
558		const u8 *p2p_device_addr;
559		const u8 *p2p_interface_addr;
560		u8 dev_capab;
561		u16 config_methods;
562		const u8 *pri_dev_type;
563		u8 num_sec_dev_types;
564		const u8 *sec_dev_types;
565		const char *dev_name;
566		size_t dev_name_len;
567	} client[P2P_MAX_GROUP_ENTRIES];
568};
569
570
571/* p2p_utils.c */
572int p2p_random(char *buf, size_t len);
573int p2p_channel_to_freq(int op_class, int channel);
574int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
575void p2p_channels_intersect(const struct p2p_channels *a,
576			    const struct p2p_channels *b,
577			    struct p2p_channels *res);
578int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
579			  u8 channel);
580
581/* p2p_parse.c */
582int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
583int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
584int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
585void p2p_parse_free(struct p2p_message *msg);
586int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
587int p2p_group_info_parse(const u8 *gi, size_t gi_len,
588			 struct p2p_group_info *info);
589
590/* p2p_build.c */
591
592struct p2p_noa_desc {
593	u8 count_type;
594	u32 duration;
595	u32 interval;
596	u32 start_time;
597};
598
599/* p2p_group.c */
600const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
601u8 p2p_group_presence_req(struct p2p_group *group,
602			  const u8 *client_interface_addr,
603			  const u8 *noa, size_t noa_len);
604int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
605				size_t group_id_len);
606void p2p_group_update_ies(struct p2p_group *group);
607struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
608
609
610void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
611void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
612				   u8 dialog_token);
613u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
614void p2p_buf_add_status(struct wpabuf *buf, u8 status);
615void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
616			     struct p2p_device *peer);
617void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
618void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
619void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
620void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
621void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
622				u8 reg_class, u8 channel);
623void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
624				   u8 reg_class, u8 channel);
625void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
626			      struct p2p_channels *chan);
627void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
628				u8 client_timeout);
629void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
630void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
631void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
632			  const u8 *ssid, size_t ssid_len);
633void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
634void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
635		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
636void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
637				   u16 interval);
638void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
639void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
640		      int all_attr);
641
642/* p2p_sd.c */
643struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
644					 struct p2p_device *dev);
645void p2p_free_sd_queries(struct p2p_data *p2p);
646void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
647			    const u8 *data, size_t len, int rx_freq);
648void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
649			     const u8 *data, size_t len, int rx_freq);
650void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
651			     const u8 *data, size_t len, int rx_freq);
652void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
653			      const u8 *data, size_t len, int rx_freq);
654int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
655
656/* p2p_go_neg.c */
657int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
658			    struct p2p_device *dev,
659			    const u8 *channel_list, size_t channel_list_len);
660void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
661			    const u8 *data, size_t len, int rx_freq);
662void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
663			     const u8 *data, size_t len, int rx_freq);
664void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
665			     const u8 *data, size_t len);
666int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
667u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
668void p2p_reselect_channel(struct p2p_data *p2p,
669			  struct p2p_channels *intersection);
670
671/* p2p_pd.c */
672void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
673			       const u8 *data, size_t len, int rx_freq);
674void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
675				const u8 *data, size_t len);
676int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
677			   int join, int force_freq);
678void p2p_reset_pending_pd(struct p2p_data *p2p);
679
680/* p2p_invitation.c */
681void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
682				const u8 *data, size_t len, int rx_freq);
683void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
684				 const u8 *data, size_t len);
685int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
686		    const u8 *go_dev_addr);
687void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
688void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
689
690/* p2p_dev_disc.c */
691void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
692			      const u8 *data, size_t len, int rx_freq);
693void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
694int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
695void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
696void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
697			       const u8 *data, size_t len);
698void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
699void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
700			     const u8 *data, size_t len, int rx_freq);
701
702/* p2p.c */
703void p2p_set_state(struct p2p_data *p2p, int new_state);
704void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
705		     unsigned int usec);
706void p2p_clear_timeout(struct p2p_data *p2p);
707void p2p_continue_find(struct p2p_data *p2p);
708struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
709						const u8 *addr,
710						struct p2p_message *msg);
711void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
712		      struct p2p_device *dev, struct p2p_message *msg);
713int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
714		   struct os_time *rx_time, int level, const u8 *ies,
715		   size_t ies_len, int scan_res);
716struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
717struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
718					     const u8 *addr);
719void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
720		       int status);
721void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
722int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
723int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
724			size_t num_req_dev_type);
725struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
726void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
727int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
728		    const u8 *src, const u8 *bssid, const u8 *buf,
729		    size_t len, unsigned int wait_time);
730void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
731int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
732			unsigned int force_freq, unsigned int pref_freq);
733void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
734PRINTF_FORMAT(2, 3);
735void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
736PRINTF_FORMAT(2, 3);
737void p2p_err(struct p2p_data *p2p, const char *fmt, ...)
738PRINTF_FORMAT(2, 3);
739
740#endif /* P2P_I_H */
741