p2p_i.h revision f86232838cf712377867cb42417c1613ab5dc425
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 intended_addr[ETH_ALEN];
56
57	char country[3];
58	struct p2p_channels channels;
59	int oper_freq;
60	u8 oper_ssid[32];
61	size_t oper_ssid_len;
62
63	/**
64	 * req_config_methods - Pending provision discovery methods
65	 */
66	u16 req_config_methods;
67
68	/**
69	 * wps_prov_info - Stored provisioning WPS config method
70	 *
71	 * This is used to store pending WPS config method between Provisioning
72	 * Discovery and connection to a running group.
73	 */
74	u16 wps_prov_info;
75
76#define P2P_DEV_PROBE_REQ_ONLY BIT(0)
77#define P2P_DEV_REPORTED BIT(1)
78#define P2P_DEV_NOT_YET_READY BIT(2)
79#define P2P_DEV_SD_INFO BIT(3)
80#define P2P_DEV_SD_SCHEDULE BIT(4)
81#define P2P_DEV_PD_PEER_DISPLAY BIT(5)
82#define P2P_DEV_PD_PEER_KEYPAD BIT(6)
83#define P2P_DEV_USER_REJECTED BIT(7)
84#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
85#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
86#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
87#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
88#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
89#define P2P_DEV_FORCE_FREQ BIT(13)
90#define P2P_DEV_PD_FOR_JOIN BIT(14)
91#define P2P_DEV_REPORTED_ONCE BIT(15)
92#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)
93#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17)
94	unsigned int flags;
95
96	int status; /* enum p2p_status_code */
97	unsigned int wait_count;
98	unsigned int connect_reqs;
99	unsigned int invitation_reqs;
100
101	u16 ext_listen_period;
102	u16 ext_listen_interval;
103
104	u8 go_timeout;
105	u8 client_timeout;
106};
107
108struct p2p_sd_query {
109	struct p2p_sd_query *next;
110	u8 peer[ETH_ALEN];
111	int for_all_peers;
112	int wsd; /* Wi-Fi Display Service Discovery Request */
113	struct wpabuf *tlvs;
114};
115
116struct p2p_pending_action_tx {
117	unsigned int freq;
118	u8 dst[ETH_ALEN];
119	u8 src[ETH_ALEN];
120	u8 bssid[ETH_ALEN];
121	size_t len;
122	unsigned int wait_time;
123	/* Followed by len octets of the frame */
124};
125
126/**
127 * struct p2p_data - P2P module data (internal to P2P module)
128 */
129struct p2p_data {
130	/**
131	 * cfg - P2P module configuration
132	 *
133	 * This is included in the same memory allocation with the
134	 * struct p2p_data and as such, must not be freed separately.
135	 */
136	struct p2p_config *cfg;
137
138	/**
139	 * state - The current P2P state
140	 */
141	enum p2p_state {
142		/**
143		 * P2P_IDLE - Idle
144		 */
145		P2P_IDLE,
146
147		/**
148		 * P2P_SEARCH - Search (Device Discovery)
149		 */
150		P2P_SEARCH,
151
152		/**
153		 * P2P_CONNECT - Trying to start GO Negotiation
154		 */
155		P2P_CONNECT,
156
157		/**
158		 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
159		 */
160		P2P_CONNECT_LISTEN,
161
162		/**
163		 * P2P_GO_NEG - In GO Negotiation
164		 */
165		P2P_GO_NEG,
166
167		/**
168		 * P2P_LISTEN_ONLY - Listen only
169		 */
170		P2P_LISTEN_ONLY,
171
172		/**
173		 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
174		 */
175		P2P_WAIT_PEER_CONNECT,
176
177		/**
178		 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
179		 */
180		P2P_WAIT_PEER_IDLE,
181
182		/**
183		 * P2P_SD_DURING_FIND - Service Discovery during find
184		 */
185		P2P_SD_DURING_FIND,
186
187		/**
188		 * P2P_PROVISIONING - Provisioning (during group formation)
189		 */
190		P2P_PROVISIONING,
191
192		/**
193		 * P2P_PD_DURING_FIND - Provision Discovery during find
194		 */
195		P2P_PD_DURING_FIND,
196
197		/**
198		 * P2P_INVITE - Trying to start Invite
199		 */
200		P2P_INVITE,
201
202		/**
203		 * P2P_INVITE_LISTEN - Listen during Invite
204		 */
205		P2P_INVITE_LISTEN,
206
207		/**
208		 * P2P_SEARCH_WHEN_READY - Waiting to start Search
209		 */
210		P2P_SEARCH_WHEN_READY,
211
212		/**
213		 * P2P_CONTINUE_SEARCH_WHEN_READY - Waiting to continue Search
214		 */
215		P2P_CONTINUE_SEARCH_WHEN_READY,
216	} state;
217
218	/**
219	 * min_disc_int - minDiscoverableInterval
220	 */
221	int min_disc_int;
222
223	/**
224	 * max_disc_int - maxDiscoverableInterval
225	 */
226	int max_disc_int;
227
228	/**
229	 * max_disc_tu - Maximum number of TUs for discoverable interval
230	 */
231	int max_disc_tu;
232
233	/**
234	 * devices - List of known P2P Device peers
235	 */
236	struct dl_list devices;
237
238#ifdef ANDROID_P2P
239	/**
240	 * sd_dev_list - device pointer to be serviced next
241	 * for service discovery
242	 */
243	struct dl_list *sd_dev_list;
244#endif
245
246	/**
247	 * go_neg_peer - Pointer to GO Negotiation peer
248	 */
249	struct p2p_device *go_neg_peer;
250
251	/**
252	 * invite_peer - Pointer to Invite peer
253	 */
254	struct p2p_device *invite_peer;
255
256	const u8 *invite_go_dev_addr;
257	u8 invite_go_dev_addr_buf[ETH_ALEN];
258
259	/**
260	 * sd_peer - Pointer to Service Discovery peer
261	 */
262	struct p2p_device *sd_peer;
263
264	/**
265	 * sd_query - Pointer to Service Discovery query
266	 */
267	struct p2p_sd_query *sd_query;
268
269	/* GO Negotiation data */
270
271	/**
272	 * intended_addr - Local Intended P2P Interface Address
273	 *
274	 * This address is used during group owner negotiation as the Intended
275	 * P2P Interface Address and the group interface will be created with
276	 * address as the local address in case of successfully completed
277	 * negotiation.
278	 */
279	u8 intended_addr[ETH_ALEN];
280
281	/**
282	 * go_intent - Local GO Intent to be used during GO Negotiation
283	 */
284	u8 go_intent;
285
286	/**
287	 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
288	 */
289	u8 next_tie_breaker;
290
291	/**
292	 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
293	 */
294	u8 ssid[32];
295
296	/**
297	 * ssid_len - ssid length in octets
298	 */
299	size_t ssid_len;
300
301	/**
302	 * ssid_set - Whether SSID is already set for GO Negotiation
303	 */
304	int ssid_set;
305
306	/**
307	 * Regulatory class for own operational channel
308	 */
309	u8 op_reg_class;
310
311	/**
312	 * op_channel - Own operational channel
313	 */
314	u8 op_channel;
315
316	/**
317	 * channels - Own supported regulatory classes and channels
318	 *
319	 * List of supposerted channels per regulatory class. The regulatory
320	 * classes are defined in IEEE Std 802.11-2007 Annex J and the
321	 * numbering of the clases depends on the configured country code.
322	 */
323	struct p2p_channels channels;
324
325	enum p2p_pending_action_state {
326		P2P_NO_PENDING_ACTION,
327		P2P_PENDING_GO_NEG_REQUEST,
328		P2P_PENDING_GO_NEG_RESPONSE,
329		P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
330		P2P_PENDING_GO_NEG_CONFIRM,
331		P2P_PENDING_SD,
332		P2P_PENDING_PD,
333		P2P_PENDING_INVITATION_REQUEST,
334		P2P_PENDING_INVITATION_RESPONSE,
335		P2P_PENDING_DEV_DISC_REQUEST,
336		P2P_PENDING_DEV_DISC_RESPONSE,
337		P2P_PENDING_GO_DISC_REQ
338	} pending_action_state;
339
340	unsigned int pending_listen_freq;
341	unsigned int pending_listen_sec;
342	unsigned int pending_listen_usec;
343
344	u8 dev_capab;
345
346	int in_listen;
347	int drv_in_listen;
348
349	/**
350	 * sd_queries - Pending service discovery queries
351	 */
352	struct p2p_sd_query *sd_queries;
353
354	/**
355	 * srv_update_indic - Service Update Indicator for local services
356	 */
357	u16 srv_update_indic;
358#ifdef ANDROID_P2P
359	/**
360	 * srv_count - Registered services count
361	 */
362	u16 srv_count;
363#endif
364	struct wpabuf *sd_resp; /* Fragmented SD response */
365	u8 sd_resp_addr[ETH_ALEN];
366	u8 sd_resp_dialog_token;
367	size_t sd_resp_pos; /* Offset in sd_resp */
368	u8 sd_frag_id;
369
370	struct wpabuf *sd_rx_resp; /* Reassembled SD response */
371	u16 sd_rx_update_indic;
372
373	/* P2P Invitation data */
374	enum p2p_invite_role inv_role;
375	u8 inv_bssid[ETH_ALEN];
376	int inv_bssid_set;
377	u8 inv_ssid[32];
378	size_t inv_ssid_len;
379	u8 inv_sa[ETH_ALEN];
380	u8 inv_group_bssid[ETH_ALEN];
381	u8 *inv_group_bssid_ptr;
382	u8 inv_go_dev_addr[ETH_ALEN];
383	u8 inv_status;
384	int inv_op_freq;
385	int inv_persistent;
386
387	enum p2p_discovery_type find_type;
388	unsigned int last_p2p_find_timeout;
389	u8 last_prog_scan_class;
390	u8 last_prog_scan_chan;
391	int p2p_scan_running;
392	enum p2p_after_scan {
393		P2P_AFTER_SCAN_NOTHING,
394		P2P_AFTER_SCAN_LISTEN,
395		P2P_AFTER_SCAN_CONNECT
396	} start_after_scan;
397	u8 after_scan_peer[ETH_ALEN];
398	struct p2p_pending_action_tx *after_scan_tx;
399
400	/* Requested device types for find/search */
401	unsigned int num_req_dev_types;
402	u8 *req_dev_types;
403	u8 *find_dev_id;
404	u8 find_dev_id_buf[ETH_ALEN];
405
406	struct os_time find_start; /* time of last p2p_find start */
407
408	struct p2p_group **groups;
409	size_t num_groups;
410
411	struct p2p_device *pending_client_disc_go;
412	u8 pending_client_disc_addr[ETH_ALEN];
413	u8 pending_dev_disc_dialog_token;
414	u8 pending_dev_disc_addr[ETH_ALEN];
415	int pending_dev_disc_freq;
416	unsigned int pending_client_disc_freq;
417
418	int ext_listen_only;
419	unsigned int ext_listen_period;
420	unsigned int ext_listen_interval;
421	unsigned int ext_listen_interval_sec;
422	unsigned int ext_listen_interval_usec;
423
424	u8 peer_filter[ETH_ALEN];
425
426	int cross_connect;
427
428	int best_freq_24;
429	int best_freq_5;
430	int best_freq_overall;
431
432	/**
433	 * wps_vendor_ext - WPS Vendor Extensions to add
434	 */
435	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
436
437	/*
438	 * user_initiated_pd - Whether a PD request is user initiated or not.
439	 */
440	u8 user_initiated_pd;
441
442	/*
443	 * Keep track of which peer a given PD request was sent to.
444	 * Used to raise a timeout alert in case there is no response.
445	 */
446	u8 pending_pd_devaddr[ETH_ALEN];
447
448	/*
449	 * Retry counter for provision discovery requests when issued
450	 * in IDLE state.
451	 */
452	int pd_retries;
453
454	u8 go_timeout;
455	u8 client_timeout;
456
457	/* Extra delay in milliseconds between search iterations */
458	unsigned int search_delay;
459	int in_search_delay;
460
461#ifdef CONFIG_WIFI_DISPLAY
462	struct wpabuf *wfd_ie_beacon;
463	struct wpabuf *wfd_ie_probe_req;
464	struct wpabuf *wfd_ie_probe_resp;
465	struct wpabuf *wfd_ie_assoc_req;
466	struct wpabuf *wfd_ie_invitation;
467	struct wpabuf *wfd_ie_prov_disc_req;
468	struct wpabuf *wfd_ie_prov_disc_resp;
469	struct wpabuf *wfd_ie_go_neg;
470	struct wpabuf *wfd_dev_info;
471	struct wpabuf *wfd_assoc_bssid;
472	struct wpabuf *wfd_coupled_sink_info;
473#endif /* CONFIG_WIFI_DISPLAY */
474};
475
476/**
477 * struct p2p_message - Parsed P2P message (or P2P IE)
478 */
479struct p2p_message {
480	struct wpabuf *p2p_attributes;
481	struct wpabuf *wps_attributes;
482	struct wpabuf *wfd_subelems;
483
484	u8 dialog_token;
485
486	const u8 *capability;
487	const u8 *go_intent;
488	const u8 *status;
489	const u8 *listen_channel;
490	const u8 *operating_channel;
491	const u8 *channel_list;
492	u8 channel_list_len;
493	const u8 *config_timeout;
494	const u8 *intended_addr;
495	const u8 *group_bssid;
496	const u8 *invitation_flags;
497
498	const u8 *group_info;
499	size_t group_info_len;
500
501	const u8 *group_id;
502	size_t group_id_len;
503
504	const u8 *device_id;
505
506	const u8 *manageability;
507
508	const u8 *noa;
509	size_t noa_len;
510
511	const u8 *ext_listen_timing;
512
513	const u8 *minor_reason_code;
514
515	/* P2P Device Info */
516	const u8 *p2p_device_info;
517	size_t p2p_device_info_len;
518	const u8 *p2p_device_addr;
519	const u8 *pri_dev_type;
520	u8 num_sec_dev_types;
521	char device_name[33];
522	u16 config_methods;
523
524	/* WPS IE */
525	u16 dev_password_id;
526	u16 wps_config_methods;
527	const u8 *wps_pri_dev_type;
528	const u8 *wps_sec_dev_type_list;
529	size_t wps_sec_dev_type_list_len;
530	const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
531	size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
532	const u8 *manufacturer;
533	size_t manufacturer_len;
534	const u8 *model_name;
535	size_t model_name_len;
536	const u8 *model_number;
537	size_t model_number_len;
538	const u8 *serial_number;
539	size_t serial_number_len;
540
541	/* DS Parameter Set IE */
542	const u8 *ds_params;
543
544	/* SSID IE */
545	const u8 *ssid;
546};
547
548
549#define P2P_MAX_GROUP_ENTRIES 50
550
551struct p2p_group_info {
552	unsigned int num_clients;
553	struct p2p_client_info {
554		const u8 *p2p_device_addr;
555		const u8 *p2p_interface_addr;
556		u8 dev_capab;
557		u16 config_methods;
558		const u8 *pri_dev_type;
559		u8 num_sec_dev_types;
560		const u8 *sec_dev_types;
561		const char *dev_name;
562		size_t dev_name_len;
563	} client[P2P_MAX_GROUP_ENTRIES];
564};
565
566
567/* p2p_utils.c */
568int p2p_random(char *buf, size_t len);
569int p2p_channel_to_freq(const char *country, int reg_class, int channel);
570int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class,
571			u8 *channel);
572void p2p_channels_intersect(const struct p2p_channels *a,
573			    const struct p2p_channels *b,
574			    struct p2p_channels *res);
575int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
576			  u8 channel);
577
578/* p2p_parse.c */
579int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
580int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
581int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
582void p2p_parse_free(struct p2p_message *msg);
583int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
584int p2p_group_info_parse(const u8 *gi, size_t gi_len,
585			 struct p2p_group_info *info);
586
587/* p2p_build.c */
588
589struct p2p_noa_desc {
590	u8 count_type;
591	u32 duration;
592	u32 interval;
593	u32 start_time;
594};
595
596/* p2p_group.c */
597const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
598u8 p2p_group_presence_req(struct p2p_group *group,
599			  const u8 *client_interface_addr,
600			  const u8 *noa, size_t noa_len);
601int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
602				size_t group_id_len);
603void p2p_group_update_ies(struct p2p_group *group);
604struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
605
606
607void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
608void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
609				   u8 dialog_token);
610u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
611void p2p_buf_add_status(struct wpabuf *buf, u8 status);
612void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
613			     struct p2p_device *peer);
614void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
615void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
616void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
617void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
618void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
619				u8 reg_class, u8 channel);
620void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
621				   u8 reg_class, u8 channel);
622void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
623			      struct p2p_channels *chan);
624void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
625				u8 client_timeout);
626void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
627void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
628void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
629			  const u8 *ssid, size_t ssid_len);
630void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
631void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
632		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
633void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
634				   u16 interval);
635void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
636void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
637		      int all_attr);
638
639/* p2p_sd.c */
640struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
641					 struct p2p_device *dev);
642void p2p_free_sd_queries(struct p2p_data *p2p);
643void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
644			    const u8 *data, size_t len, int rx_freq);
645void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
646			     const u8 *data, size_t len, int rx_freq);
647void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
648			     const u8 *data, size_t len, int rx_freq);
649void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
650			      const u8 *data, size_t len, int rx_freq);
651int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
652
653/* p2p_go_neg.c */
654int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
655			    struct p2p_device *dev,
656			    const u8 *channel_list, size_t channel_list_len);
657void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
658			    const u8 *data, size_t len, int rx_freq);
659void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
660			     const u8 *data, size_t len, int rx_freq);
661void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
662			     const u8 *data, size_t len);
663int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
664u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
665void p2p_reselect_channel(struct p2p_data *p2p,
666			  struct p2p_channels *intersection);
667
668/* p2p_pd.c */
669void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
670			       const u8 *data, size_t len, int rx_freq);
671void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
672				const u8 *data, size_t len);
673int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
674			   int join, int force_freq);
675void p2p_reset_pending_pd(struct p2p_data *p2p);
676
677/* p2p_invitation.c */
678void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
679				const u8 *data, size_t len, int rx_freq);
680void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
681				 const u8 *data, size_t len);
682int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
683		    const u8 *go_dev_addr);
684void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
685void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
686
687/* p2p_dev_disc.c */
688void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
689			      const u8 *data, size_t len, int rx_freq);
690void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
691int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
692void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
693void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
694			       const u8 *data, size_t len);
695void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
696void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
697			     const u8 *data, size_t len, int rx_freq);
698
699/* p2p.c */
700void p2p_set_state(struct p2p_data *p2p, int new_state);
701void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
702		     unsigned int usec);
703void p2p_clear_timeout(struct p2p_data *p2p);
704void p2p_continue_find(struct p2p_data *p2p);
705struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
706						const u8 *addr,
707						struct p2p_message *msg);
708void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
709		      struct p2p_device *dev, struct p2p_message *msg);
710int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
711		   struct os_time *rx_time, int level, const u8 *ies,
712		   size_t ies_len, int scan_res);
713struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
714struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
715					     const u8 *addr);
716void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
717		       int status);
718void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
719int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
720int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
721			size_t num_req_dev_type);
722struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
723void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
724int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
725		    const u8 *src, const u8 *bssid, const u8 *buf,
726		    size_t len, unsigned int wait_time);
727void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
728
729#endif /* P2P_I_H */
730