p2p_i.h revision a54fa5fb807eaeff45464139b5a7759f060cec68
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 p2p_group **groups;
407	size_t num_groups;
408
409	struct p2p_device *pending_client_disc_go;
410	u8 pending_client_disc_addr[ETH_ALEN];
411	u8 pending_dev_disc_dialog_token;
412	u8 pending_dev_disc_addr[ETH_ALEN];
413	int pending_dev_disc_freq;
414	unsigned int pending_client_disc_freq;
415
416	int ext_listen_only;
417	unsigned int ext_listen_period;
418	unsigned int ext_listen_interval;
419	unsigned int ext_listen_interval_sec;
420	unsigned int ext_listen_interval_usec;
421
422	u8 peer_filter[ETH_ALEN];
423
424	int cross_connect;
425
426	int best_freq_24;
427	int best_freq_5;
428	int best_freq_overall;
429
430	/**
431	 * wps_vendor_ext - WPS Vendor Extensions to add
432	 */
433	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
434
435	/*
436	 * user_initiated_pd - Whether a PD request is user initiated or not.
437	 */
438	u8 user_initiated_pd;
439
440	/*
441	 * Keep track of which peer a given PD request was sent to.
442	 * Used to raise a timeout alert in case there is no response.
443	 */
444	u8 pending_pd_devaddr[ETH_ALEN];
445
446	/*
447	 * Retry counter for provision discovery requests when issued
448	 * in IDLE state.
449	 */
450	int pd_retries;
451
452	u8 go_timeout;
453	u8 client_timeout;
454
455	/* Extra delay in milliseconds between search iterations */
456	unsigned int search_delay;
457	int in_search_delay;
458
459#ifdef CONFIG_WIFI_DISPLAY
460	struct wpabuf *wfd_ie_beacon;
461	struct wpabuf *wfd_ie_probe_req;
462	struct wpabuf *wfd_ie_probe_resp;
463	struct wpabuf *wfd_ie_assoc_req;
464	struct wpabuf *wfd_ie_invitation;
465	struct wpabuf *wfd_ie_prov_disc_req;
466	struct wpabuf *wfd_ie_prov_disc_resp;
467	struct wpabuf *wfd_ie_go_neg;
468	struct wpabuf *wfd_dev_info;
469	struct wpabuf *wfd_assoc_bssid;
470	struct wpabuf *wfd_coupled_sink_info;
471#endif /* CONFIG_WIFI_DISPLAY */
472};
473
474/**
475 * struct p2p_message - Parsed P2P message (or P2P IE)
476 */
477struct p2p_message {
478	struct wpabuf *p2p_attributes;
479	struct wpabuf *wps_attributes;
480	struct wpabuf *wfd_subelems;
481
482	u8 dialog_token;
483
484	const u8 *capability;
485	const u8 *go_intent;
486	const u8 *status;
487	const u8 *listen_channel;
488	const u8 *operating_channel;
489	const u8 *channel_list;
490	u8 channel_list_len;
491	const u8 *config_timeout;
492	const u8 *intended_addr;
493	const u8 *group_bssid;
494	const u8 *invitation_flags;
495
496	const u8 *group_info;
497	size_t group_info_len;
498
499	const u8 *group_id;
500	size_t group_id_len;
501
502	const u8 *device_id;
503
504	const u8 *manageability;
505
506	const u8 *noa;
507	size_t noa_len;
508
509	const u8 *ext_listen_timing;
510
511	const u8 *minor_reason_code;
512
513	/* P2P Device Info */
514	const u8 *p2p_device_info;
515	size_t p2p_device_info_len;
516	const u8 *p2p_device_addr;
517	const u8 *pri_dev_type;
518	u8 num_sec_dev_types;
519	char device_name[33];
520	u16 config_methods;
521
522	/* WPS IE */
523	u16 dev_password_id;
524	u16 wps_config_methods;
525	const u8 *wps_pri_dev_type;
526	const u8 *wps_sec_dev_type_list;
527	size_t wps_sec_dev_type_list_len;
528	const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
529	size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
530	const u8 *manufacturer;
531	size_t manufacturer_len;
532	const u8 *model_name;
533	size_t model_name_len;
534	const u8 *model_number;
535	size_t model_number_len;
536	const u8 *serial_number;
537	size_t serial_number_len;
538
539	/* DS Parameter Set IE */
540	const u8 *ds_params;
541
542	/* SSID IE */
543	const u8 *ssid;
544};
545
546
547#define P2P_MAX_GROUP_ENTRIES 50
548
549struct p2p_group_info {
550	unsigned int num_clients;
551	struct p2p_client_info {
552		const u8 *p2p_device_addr;
553		const u8 *p2p_interface_addr;
554		u8 dev_capab;
555		u16 config_methods;
556		const u8 *pri_dev_type;
557		u8 num_sec_dev_types;
558		const u8 *sec_dev_types;
559		const char *dev_name;
560		size_t dev_name_len;
561	} client[P2P_MAX_GROUP_ENTRIES];
562};
563
564
565/* p2p_utils.c */
566int p2p_random(char *buf, size_t len);
567int p2p_channel_to_freq(const char *country, int reg_class, int channel);
568int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class,
569			u8 *channel);
570void p2p_channels_intersect(const struct p2p_channels *a,
571			    const struct p2p_channels *b,
572			    struct p2p_channels *res);
573int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
574			  u8 channel);
575
576/* p2p_parse.c */
577int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
578int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
579int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
580void p2p_parse_free(struct p2p_message *msg);
581int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
582int p2p_group_info_parse(const u8 *gi, size_t gi_len,
583			 struct p2p_group_info *info);
584
585/* p2p_build.c */
586
587struct p2p_noa_desc {
588	u8 count_type;
589	u32 duration;
590	u32 interval;
591	u32 start_time;
592};
593
594/* p2p_group.c */
595const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
596u8 p2p_group_presence_req(struct p2p_group *group,
597			  const u8 *client_interface_addr,
598			  const u8 *noa, size_t noa_len);
599int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
600				size_t group_id_len);
601void p2p_group_update_ies(struct p2p_group *group);
602struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
603
604
605void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
606void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
607				   u8 dialog_token);
608u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
609void p2p_buf_add_status(struct wpabuf *buf, u8 status);
610void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
611			     struct p2p_device *peer);
612void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
613void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
614void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
615void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
616void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
617				u8 reg_class, u8 channel);
618void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
619				   u8 reg_class, u8 channel);
620void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
621			      struct p2p_channels *chan);
622void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
623				u8 client_timeout);
624void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
625void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
626void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
627			  const u8 *ssid, size_t ssid_len);
628void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
629void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
630		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
631void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
632				   u16 interval);
633void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
634void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
635		      int all_attr);
636
637/* p2p_sd.c */
638struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
639					 struct p2p_device *dev);
640void p2p_free_sd_queries(struct p2p_data *p2p);
641void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
642			    const u8 *data, size_t len, int rx_freq);
643void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
644			     const u8 *data, size_t len, int rx_freq);
645void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
646			     const u8 *data, size_t len, int rx_freq);
647void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
648			      const u8 *data, size_t len, int rx_freq);
649int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
650
651/* p2p_go_neg.c */
652int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
653			    struct p2p_device *dev,
654			    const u8 *channel_list, size_t channel_list_len);
655void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
656			    const u8 *data, size_t len, int rx_freq);
657void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
658			     const u8 *data, size_t len, int rx_freq);
659void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
660			     const u8 *data, size_t len);
661int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
662u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
663void p2p_reselect_channel(struct p2p_data *p2p,
664			  struct p2p_channels *intersection);
665
666/* p2p_pd.c */
667void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
668			       const u8 *data, size_t len, int rx_freq);
669void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
670				const u8 *data, size_t len);
671int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
672			   int join, int force_freq);
673void p2p_reset_pending_pd(struct p2p_data *p2p);
674
675/* p2p_invitation.c */
676void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
677				const u8 *data, size_t len, int rx_freq);
678void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
679				 const u8 *data, size_t len);
680int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
681		    const u8 *go_dev_addr);
682void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
683void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
684
685/* p2p_dev_disc.c */
686void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
687			      const u8 *data, size_t len, int rx_freq);
688void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
689int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
690void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
691void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
692			       const u8 *data, size_t len);
693void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
694void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
695			     const u8 *data, size_t len, int rx_freq);
696
697/* p2p.c */
698void p2p_set_state(struct p2p_data *p2p, int new_state);
699void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
700		     unsigned int usec);
701void p2p_clear_timeout(struct p2p_data *p2p);
702void p2p_continue_find(struct p2p_data *p2p);
703struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
704						const u8 *addr,
705						struct p2p_message *msg);
706void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
707		      struct p2p_device *dev, struct p2p_message *msg);
708int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
709		   unsigned int age_ms, int level, const u8 *ies,
710		   size_t ies_len, int scan_res);
711struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
712struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
713					     const u8 *addr);
714void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
715		       int status);
716void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
717int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
718int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
719			size_t num_req_dev_type);
720struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
721void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
722int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
723		    const u8 *src, const u8 *bssid, const u8 *buf,
724		    size_t len, unsigned int wait_time);
725void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
726
727#endif /* P2P_I_H */
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