p2p_i.h revision 91c40cdce17424d9a4718876becf0b7811cf68f2
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	 * devices - List of known P2P Device peers
230	 */
231	struct dl_list devices;
232
233#ifdef ANDROID_P2P
234	/**
235	 * sd_dev_list - device pointer to be serviced next
236	 * for service discovery
237	 */
238	struct dl_list *sd_dev_list;
239#endif
240
241	/**
242	 * go_neg_peer - Pointer to GO Negotiation peer
243	 */
244	struct p2p_device *go_neg_peer;
245
246	/**
247	 * invite_peer - Pointer to Invite peer
248	 */
249	struct p2p_device *invite_peer;
250
251	const u8 *invite_go_dev_addr;
252	u8 invite_go_dev_addr_buf[ETH_ALEN];
253
254	/**
255	 * sd_peer - Pointer to Service Discovery peer
256	 */
257	struct p2p_device *sd_peer;
258
259	/**
260	 * sd_query - Pointer to Service Discovery query
261	 */
262	struct p2p_sd_query *sd_query;
263
264	/* GO Negotiation data */
265
266	/**
267	 * intended_addr - Local Intended P2P Interface Address
268	 *
269	 * This address is used during group owner negotiation as the Intended
270	 * P2P Interface Address and the group interface will be created with
271	 * address as the local address in case of successfully completed
272	 * negotiation.
273	 */
274	u8 intended_addr[ETH_ALEN];
275
276	/**
277	 * go_intent - Local GO Intent to be used during GO Negotiation
278	 */
279	u8 go_intent;
280
281	/**
282	 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
283	 */
284	u8 next_tie_breaker;
285
286	/**
287	 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
288	 */
289	u8 ssid[32];
290
291	/**
292	 * ssid_len - ssid length in octets
293	 */
294	size_t ssid_len;
295
296	/**
297	 * ssid_set - Whether SSID is already set for GO Negotiation
298	 */
299	int ssid_set;
300
301	/**
302	 * Regulatory class for own operational channel
303	 */
304	u8 op_reg_class;
305
306	/**
307	 * op_channel - Own operational channel
308	 */
309	u8 op_channel;
310
311	/**
312	 * channels - Own supported regulatory classes and channels
313	 *
314	 * List of supposerted channels per regulatory class. The regulatory
315	 * classes are defined in IEEE Std 802.11-2007 Annex J and the
316	 * numbering of the clases depends on the configured country code.
317	 */
318	struct p2p_channels channels;
319
320	enum p2p_pending_action_state {
321		P2P_NO_PENDING_ACTION,
322		P2P_PENDING_GO_NEG_REQUEST,
323		P2P_PENDING_GO_NEG_RESPONSE,
324		P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
325		P2P_PENDING_GO_NEG_CONFIRM,
326		P2P_PENDING_SD,
327		P2P_PENDING_PD,
328		P2P_PENDING_INVITATION_REQUEST,
329		P2P_PENDING_INVITATION_RESPONSE,
330		P2P_PENDING_DEV_DISC_REQUEST,
331		P2P_PENDING_DEV_DISC_RESPONSE,
332		P2P_PENDING_GO_DISC_REQ
333	} pending_action_state;
334
335	unsigned int pending_listen_freq;
336	unsigned int pending_listen_sec;
337	unsigned int pending_listen_usec;
338
339	u8 dev_capab;
340
341	int in_listen;
342	int drv_in_listen;
343
344	/**
345	 * sd_queries - Pending service discovery queries
346	 */
347	struct p2p_sd_query *sd_queries;
348
349	/**
350	 * srv_update_indic - Service Update Indicator for local services
351	 */
352	u16 srv_update_indic;
353#ifdef ANDROID_P2P
354	/**
355	 * srv_count - Registered services count
356	 */
357	u16 srv_count;
358#endif
359	struct wpabuf *sd_resp; /* Fragmented SD response */
360	u8 sd_resp_addr[ETH_ALEN];
361	u8 sd_resp_dialog_token;
362	size_t sd_resp_pos; /* Offset in sd_resp */
363	u8 sd_frag_id;
364
365	struct wpabuf *sd_rx_resp; /* Reassembled SD response */
366	u16 sd_rx_update_indic;
367
368	/* P2P Invitation data */
369	enum p2p_invite_role inv_role;
370	u8 inv_bssid[ETH_ALEN];
371	int inv_bssid_set;
372	u8 inv_ssid[32];
373	size_t inv_ssid_len;
374	u8 inv_sa[ETH_ALEN];
375	u8 inv_group_bssid[ETH_ALEN];
376	u8 *inv_group_bssid_ptr;
377	u8 inv_go_dev_addr[ETH_ALEN];
378	u8 inv_status;
379	int inv_op_freq;
380	int inv_persistent;
381
382	enum p2p_discovery_type find_type;
383	unsigned int last_p2p_find_timeout;
384	u8 last_prog_scan_class;
385	u8 last_prog_scan_chan;
386	int p2p_scan_running;
387	enum p2p_after_scan {
388		P2P_AFTER_SCAN_NOTHING,
389		P2P_AFTER_SCAN_LISTEN,
390		P2P_AFTER_SCAN_CONNECT
391	} start_after_scan;
392	u8 after_scan_peer[ETH_ALEN];
393	struct p2p_pending_action_tx *after_scan_tx;
394
395	/* Requested device types for find/search */
396	unsigned int num_req_dev_types;
397	u8 *req_dev_types;
398	u8 *find_dev_id;
399	u8 find_dev_id_buf[ETH_ALEN];
400
401	struct p2p_group **groups;
402	size_t num_groups;
403
404	struct p2p_device *pending_client_disc_go;
405	u8 pending_client_disc_addr[ETH_ALEN];
406	u8 pending_dev_disc_dialog_token;
407	u8 pending_dev_disc_addr[ETH_ALEN];
408	int pending_dev_disc_freq;
409	unsigned int pending_client_disc_freq;
410
411	int ext_listen_only;
412	unsigned int ext_listen_period;
413	unsigned int ext_listen_interval;
414	unsigned int ext_listen_interval_sec;
415	unsigned int ext_listen_interval_usec;
416
417	u8 peer_filter[ETH_ALEN];
418
419	int cross_connect;
420
421	int best_freq_24;
422	int best_freq_5;
423	int best_freq_overall;
424
425	/**
426	 * wps_vendor_ext - WPS Vendor Extensions to add
427	 */
428	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
429
430	/*
431	 * user_initiated_pd - Whether a PD request is user initiated or not.
432	 */
433	u8 user_initiated_pd;
434
435	/*
436	 * Keep track of which peer a given PD request was sent to.
437	 * Used to raise a timeout alert in case there is no response.
438	 */
439	u8 pending_pd_devaddr[ETH_ALEN];
440
441	/*
442	 * Retry counter for provision discovery requests when issued
443	 * in IDLE state.
444	 */
445	int pd_retries;
446
447	u8 go_timeout;
448	u8 client_timeout;
449
450	/* Extra delay in milliseconds between search iterations */
451	unsigned int search_delay;
452	int in_search_delay;
453
454#ifdef CONFIG_WIFI_DISPLAY
455	struct wpabuf *wfd_ie_beacon;
456	struct wpabuf *wfd_ie_probe_req;
457	struct wpabuf *wfd_ie_probe_resp;
458	struct wpabuf *wfd_ie_assoc_req;
459	struct wpabuf *wfd_ie_invitation;
460	struct wpabuf *wfd_ie_prov_disc_req;
461	struct wpabuf *wfd_ie_prov_disc_resp;
462	struct wpabuf *wfd_ie_go_neg;
463	struct wpabuf *wfd_dev_info;
464	struct wpabuf *wfd_assoc_bssid;
465	struct wpabuf *wfd_coupled_sink_info;
466#endif /* CONFIG_WIFI_DISPLAY */
467};
468
469/**
470 * struct p2p_message - Parsed P2P message (or P2P IE)
471 */
472struct p2p_message {
473	struct wpabuf *p2p_attributes;
474	struct wpabuf *wps_attributes;
475	struct wpabuf *wfd_subelems;
476
477	u8 dialog_token;
478
479	const u8 *capability;
480	const u8 *go_intent;
481	const u8 *status;
482	const u8 *listen_channel;
483	const u8 *operating_channel;
484	const u8 *channel_list;
485	u8 channel_list_len;
486	const u8 *config_timeout;
487	const u8 *intended_addr;
488	const u8 *group_bssid;
489	const u8 *invitation_flags;
490
491	const u8 *group_info;
492	size_t group_info_len;
493
494	const u8 *group_id;
495	size_t group_id_len;
496
497	const u8 *device_id;
498
499	const u8 *manageability;
500
501	const u8 *noa;
502	size_t noa_len;
503
504	const u8 *ext_listen_timing;
505
506	const u8 *minor_reason_code;
507
508	/* P2P Device Info */
509	const u8 *p2p_device_info;
510	size_t p2p_device_info_len;
511	const u8 *p2p_device_addr;
512	const u8 *pri_dev_type;
513	u8 num_sec_dev_types;
514	char device_name[33];
515	u16 config_methods;
516
517	/* WPS IE */
518	u16 dev_password_id;
519	u16 wps_config_methods;
520	const u8 *wps_pri_dev_type;
521	const u8 *wps_sec_dev_type_list;
522	size_t wps_sec_dev_type_list_len;
523	const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
524	size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
525	const u8 *manufacturer;
526	size_t manufacturer_len;
527	const u8 *model_name;
528	size_t model_name_len;
529	const u8 *model_number;
530	size_t model_number_len;
531	const u8 *serial_number;
532	size_t serial_number_len;
533
534	/* DS Parameter Set IE */
535	const u8 *ds_params;
536
537	/* SSID IE */
538	const u8 *ssid;
539};
540
541
542#define P2P_MAX_GROUP_ENTRIES 50
543
544struct p2p_group_info {
545	unsigned int num_clients;
546	struct p2p_client_info {
547		const u8 *p2p_device_addr;
548		const u8 *p2p_interface_addr;
549		u8 dev_capab;
550		u16 config_methods;
551		const u8 *pri_dev_type;
552		u8 num_sec_dev_types;
553		const u8 *sec_dev_types;
554		const char *dev_name;
555		size_t dev_name_len;
556	} client[P2P_MAX_GROUP_ENTRIES];
557};
558
559
560/* p2p_utils.c */
561int p2p_random(char *buf, size_t len);
562int p2p_channel_to_freq(const char *country, int reg_class, int channel);
563int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class,
564			u8 *channel);
565void p2p_channels_intersect(const struct p2p_channels *a,
566			    const struct p2p_channels *b,
567			    struct p2p_channels *res);
568int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
569			  u8 channel);
570
571/* p2p_parse.c */
572int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
573int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
574int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
575void p2p_parse_free(struct p2p_message *msg);
576int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
577int p2p_group_info_parse(const u8 *gi, size_t gi_len,
578			 struct p2p_group_info *info);
579
580/* p2p_build.c */
581
582struct p2p_noa_desc {
583	u8 count_type;
584	u32 duration;
585	u32 interval;
586	u32 start_time;
587};
588
589/* p2p_group.c */
590const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
591u8 p2p_group_presence_req(struct p2p_group *group,
592			  const u8 *client_interface_addr,
593			  const u8 *noa, size_t noa_len);
594int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
595				size_t group_id_len);
596void p2p_group_update_ies(struct p2p_group *group);
597struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
598
599
600void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
601void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
602				   u8 dialog_token);
603u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
604void p2p_buf_add_status(struct wpabuf *buf, u8 status);
605void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
606			     struct p2p_device *peer);
607void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
608void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
609void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
610void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
611void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
612				u8 reg_class, u8 channel);
613void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
614				   u8 reg_class, u8 channel);
615void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
616			      struct p2p_channels *chan);
617void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
618				u8 client_timeout);
619void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
620void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
621void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
622			  const u8 *ssid, size_t ssid_len);
623void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
624void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
625		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
626void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
627				   u16 interval);
628void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
629void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
630		      int all_attr);
631
632/* p2p_sd.c */
633struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
634					 struct p2p_device *dev);
635void p2p_free_sd_queries(struct p2p_data *p2p);
636void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
637			    const u8 *data, size_t len, int rx_freq);
638void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
639			     const u8 *data, size_t len, int rx_freq);
640void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
641			     const u8 *data, size_t len, int rx_freq);
642void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
643			      const u8 *data, size_t len, int rx_freq);
644int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
645
646/* p2p_go_neg.c */
647int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
648			    struct p2p_device *dev,
649			    const u8 *channel_list, size_t channel_list_len);
650void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
651			    const u8 *data, size_t len, int rx_freq);
652void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
653			     const u8 *data, size_t len, int rx_freq);
654void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
655			     const u8 *data, size_t len);
656int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
657u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
658void p2p_reselect_channel(struct p2p_data *p2p,
659			  struct p2p_channels *intersection);
660
661/* p2p_pd.c */
662void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
663			       const u8 *data, size_t len, int rx_freq);
664void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
665				const u8 *data, size_t len);
666int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
667			   int join, int force_freq);
668void p2p_reset_pending_pd(struct p2p_data *p2p);
669
670/* p2p_invitation.c */
671void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
672				const u8 *data, size_t len, int rx_freq);
673void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
674				 const u8 *data, size_t len);
675int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
676		    const u8 *go_dev_addr);
677void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
678void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
679
680/* p2p_dev_disc.c */
681void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
682			      const u8 *data, size_t len, int rx_freq);
683void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
684int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
685void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
686void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
687			       const u8 *data, size_t len);
688void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
689void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
690			     const u8 *data, size_t len, int rx_freq);
691
692/* p2p.c */
693void p2p_set_state(struct p2p_data *p2p, int new_state);
694void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
695		     unsigned int usec);
696void p2p_clear_timeout(struct p2p_data *p2p);
697void p2p_continue_find(struct p2p_data *p2p);
698struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
699						const u8 *addr,
700						struct p2p_message *msg);
701void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
702		      struct p2p_device *dev, struct p2p_message *msg);
703int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
704		   const u8 *ies, size_t ies_len, int scan_res);
705struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
706struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
707					     const u8 *addr);
708void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
709		       int status);
710void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
711int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
712int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
713			size_t num_req_dev_type);
714struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
715void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
716int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
717		    const u8 *src, const u8 *bssid, const u8 *buf,
718		    size_t len, unsigned int wait_time);
719void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
720
721#endif /* P2P_I_H */
722