p2p_i.h revision 9cdf1b905fae57dea42506a1af67f6ece544b261
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	unsigned int flags;
96
97	int status; /* enum p2p_status_code */
98	unsigned int wait_count;
99	unsigned int connect_reqs;
100	unsigned int invitation_reqs;
101
102	u16 ext_listen_period;
103	u16 ext_listen_interval;
104
105	u8 go_timeout;
106	u8 client_timeout;
107};
108
109struct p2p_sd_query {
110	struct p2p_sd_query *next;
111	u8 peer[ETH_ALEN];
112	int for_all_peers;
113	int wsd; /* Wi-Fi Display Service Discovery Request */
114	struct wpabuf *tlvs;
115};
116
117struct p2p_pending_action_tx {
118	unsigned int freq;
119	u8 dst[ETH_ALEN];
120	u8 src[ETH_ALEN];
121	u8 bssid[ETH_ALEN];
122	size_t len;
123	unsigned int wait_time;
124	/* Followed by len octets of the frame */
125};
126
127/**
128 * struct p2p_data - P2P module data (internal to P2P module)
129 */
130struct p2p_data {
131	/**
132	 * cfg - P2P module configuration
133	 *
134	 * This is included in the same memory allocation with the
135	 * struct p2p_data and as such, must not be freed separately.
136	 */
137	struct p2p_config *cfg;
138
139	/**
140	 * state - The current P2P state
141	 */
142	enum p2p_state {
143		/**
144		 * P2P_IDLE - Idle
145		 */
146		P2P_IDLE,
147
148		/**
149		 * P2P_SEARCH - Search (Device Discovery)
150		 */
151		P2P_SEARCH,
152
153		/**
154		 * P2P_CONNECT - Trying to start GO Negotiation
155		 */
156		P2P_CONNECT,
157
158		/**
159		 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
160		 */
161		P2P_CONNECT_LISTEN,
162
163		/**
164		 * P2P_GO_NEG - In GO Negotiation
165		 */
166		P2P_GO_NEG,
167
168		/**
169		 * P2P_LISTEN_ONLY - Listen only
170		 */
171		P2P_LISTEN_ONLY,
172
173		/**
174		 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
175		 */
176		P2P_WAIT_PEER_CONNECT,
177
178		/**
179		 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
180		 */
181		P2P_WAIT_PEER_IDLE,
182
183		/**
184		 * P2P_SD_DURING_FIND - Service Discovery during find
185		 */
186		P2P_SD_DURING_FIND,
187
188		/**
189		 * P2P_PROVISIONING - Provisioning (during group formation)
190		 */
191		P2P_PROVISIONING,
192
193		/**
194		 * P2P_PD_DURING_FIND - Provision Discovery during find
195		 */
196		P2P_PD_DURING_FIND,
197
198		/**
199		 * P2P_INVITE - Trying to start Invite
200		 */
201		P2P_INVITE,
202
203		/**
204		 * P2P_INVITE_LISTEN - Listen during Invite
205		 */
206		P2P_INVITE_LISTEN,
207
208		/**
209		 * P2P_SEARCH_WHEN_READY - Waiting to start Search
210		 */
211		P2P_SEARCH_WHEN_READY,
212
213		/**
214		 * P2P_CONTINUE_SEARCH_WHEN_READY - Waiting to continue Search
215		 */
216		P2P_CONTINUE_SEARCH_WHEN_READY,
217	} state;
218
219	/**
220	 * min_disc_int - minDiscoverableInterval
221	 */
222	int min_disc_int;
223
224	/**
225	 * max_disc_int - maxDiscoverableInterval
226	 */
227	int max_disc_int;
228
229	/**
230	 * max_disc_tu - Maximum number of TUs for discoverable interval
231	 */
232	int max_disc_tu;
233
234	/**
235	 * devices - List of known P2P Device peers
236	 */
237	struct dl_list devices;
238
239#ifdef ANDROID_P2P
240	/**
241	 * sd_dev_list - device pointer to be serviced next
242	 * for service discovery
243	 */
244	struct dl_list *sd_dev_list;
245#endif
246
247	/**
248	 * go_neg_peer - Pointer to GO Negotiation peer
249	 */
250	struct p2p_device *go_neg_peer;
251
252	/**
253	 * invite_peer - Pointer to Invite peer
254	 */
255	struct p2p_device *invite_peer;
256
257	const u8 *invite_go_dev_addr;
258	u8 invite_go_dev_addr_buf[ETH_ALEN];
259
260	/**
261	 * sd_peer - Pointer to Service Discovery peer
262	 */
263	struct p2p_device *sd_peer;
264
265	/**
266	 * sd_query - Pointer to Service Discovery query
267	 */
268	struct p2p_sd_query *sd_query;
269
270	/* GO Negotiation data */
271
272	/**
273	 * intended_addr - Local Intended P2P Interface Address
274	 *
275	 * This address is used during group owner negotiation as the Intended
276	 * P2P Interface Address and the group interface will be created with
277	 * address as the local address in case of successfully completed
278	 * negotiation.
279	 */
280	u8 intended_addr[ETH_ALEN];
281
282	/**
283	 * go_intent - Local GO Intent to be used during GO Negotiation
284	 */
285	u8 go_intent;
286
287	/**
288	 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
289	 */
290	u8 next_tie_breaker;
291
292	/**
293	 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
294	 */
295	u8 ssid[32];
296
297	/**
298	 * ssid_len - ssid length in octets
299	 */
300	size_t ssid_len;
301
302	/**
303	 * ssid_set - Whether SSID is already set for GO Negotiation
304	 */
305	int ssid_set;
306
307	/**
308	 * Regulatory class for own operational channel
309	 */
310	u8 op_reg_class;
311
312	/**
313	 * op_channel - Own operational channel
314	 */
315	u8 op_channel;
316
317	/**
318	 * channels - Own supported regulatory classes and channels
319	 *
320	 * List of supposerted channels per regulatory class. The regulatory
321	 * classes are defined in IEEE Std 802.11-2007 Annex J and the
322	 * numbering of the clases depends on the configured country code.
323	 */
324	struct p2p_channels channels;
325
326	enum p2p_pending_action_state {
327		P2P_NO_PENDING_ACTION,
328		P2P_PENDING_GO_NEG_REQUEST,
329		P2P_PENDING_GO_NEG_RESPONSE,
330		P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
331		P2P_PENDING_GO_NEG_CONFIRM,
332		P2P_PENDING_SD,
333		P2P_PENDING_PD,
334		P2P_PENDING_INVITATION_REQUEST,
335		P2P_PENDING_INVITATION_RESPONSE,
336		P2P_PENDING_DEV_DISC_REQUEST,
337		P2P_PENDING_DEV_DISC_RESPONSE,
338		P2P_PENDING_GO_DISC_REQ
339	} pending_action_state;
340
341	unsigned int pending_listen_freq;
342	unsigned int pending_listen_sec;
343	unsigned int pending_listen_usec;
344
345	u8 dev_capab;
346
347	int in_listen;
348	int drv_in_listen;
349
350	/**
351	 * sd_queries - Pending service discovery queries
352	 */
353	struct p2p_sd_query *sd_queries;
354
355	/**
356	 * srv_update_indic - Service Update Indicator for local services
357	 */
358	u16 srv_update_indic;
359#ifdef ANDROID_P2P
360	/**
361	 * srv_count - Registered services count
362	 */
363	u16 srv_count;
364#endif
365	struct wpabuf *sd_resp; /* Fragmented SD response */
366	u8 sd_resp_addr[ETH_ALEN];
367	u8 sd_resp_dialog_token;
368	size_t sd_resp_pos; /* Offset in sd_resp */
369	u8 sd_frag_id;
370
371	struct wpabuf *sd_rx_resp; /* Reassembled SD response */
372	u16 sd_rx_update_indic;
373
374	/* P2P Invitation data */
375	enum p2p_invite_role inv_role;
376	u8 inv_bssid[ETH_ALEN];
377	int inv_bssid_set;
378	u8 inv_ssid[32];
379	size_t inv_ssid_len;
380	u8 inv_sa[ETH_ALEN];
381	u8 inv_group_bssid[ETH_ALEN];
382	u8 *inv_group_bssid_ptr;
383	u8 inv_go_dev_addr[ETH_ALEN];
384	u8 inv_status;
385	int inv_op_freq;
386	int inv_persistent;
387
388	enum p2p_discovery_type find_type;
389	unsigned int last_p2p_find_timeout;
390	u8 last_prog_scan_class;
391	u8 last_prog_scan_chan;
392	int p2p_scan_running;
393	enum p2p_after_scan {
394		P2P_AFTER_SCAN_NOTHING,
395		P2P_AFTER_SCAN_LISTEN,
396		P2P_AFTER_SCAN_CONNECT
397	} start_after_scan;
398	u8 after_scan_peer[ETH_ALEN];
399	struct p2p_pending_action_tx *after_scan_tx;
400
401	/* Requested device types for find/search */
402	unsigned int num_req_dev_types;
403	u8 *req_dev_types;
404	u8 *find_dev_id;
405	u8 find_dev_id_buf[ETH_ALEN];
406
407	struct os_time find_start; /* time of last p2p_find start */
408
409	struct p2p_group **groups;
410	size_t num_groups;
411
412	struct p2p_device *pending_client_disc_go;
413	u8 pending_client_disc_addr[ETH_ALEN];
414	u8 pending_dev_disc_dialog_token;
415	u8 pending_dev_disc_addr[ETH_ALEN];
416	int pending_dev_disc_freq;
417	unsigned int pending_client_disc_freq;
418
419	int ext_listen_only;
420	unsigned int ext_listen_period;
421	unsigned int ext_listen_interval;
422	unsigned int ext_listen_interval_sec;
423	unsigned int ext_listen_interval_usec;
424
425	u8 peer_filter[ETH_ALEN];
426
427	int cross_connect;
428
429	int best_freq_24;
430	int best_freq_5;
431	int best_freq_overall;
432
433	/**
434	 * wps_vendor_ext - WPS Vendor Extensions to add
435	 */
436	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
437
438	/*
439	 * user_initiated_pd - Whether a PD request is user initiated or not.
440	 */
441	u8 user_initiated_pd;
442
443	/*
444	 * Keep track of which peer a given PD request was sent to.
445	 * Used to raise a timeout alert in case there is no response.
446	 */
447	u8 pending_pd_devaddr[ETH_ALEN];
448
449	/*
450	 * Retry counter for provision discovery requests when issued
451	 * in IDLE state.
452	 */
453	int pd_retries;
454
455	u8 go_timeout;
456	u8 client_timeout;
457
458	/* Extra delay in milliseconds between search iterations */
459	unsigned int search_delay;
460	int in_search_delay;
461
462#ifdef CONFIG_WIFI_DISPLAY
463	struct wpabuf *wfd_ie_beacon;
464	struct wpabuf *wfd_ie_probe_req;
465	struct wpabuf *wfd_ie_probe_resp;
466	struct wpabuf *wfd_ie_assoc_req;
467	struct wpabuf *wfd_ie_invitation;
468	struct wpabuf *wfd_ie_prov_disc_req;
469	struct wpabuf *wfd_ie_prov_disc_resp;
470	struct wpabuf *wfd_ie_go_neg;
471	struct wpabuf *wfd_dev_info;
472	struct wpabuf *wfd_assoc_bssid;
473	struct wpabuf *wfd_coupled_sink_info;
474#endif /* CONFIG_WIFI_DISPLAY */
475};
476
477/**
478 * struct p2p_message - Parsed P2P message (or P2P IE)
479 */
480struct p2p_message {
481	struct wpabuf *p2p_attributes;
482	struct wpabuf *wps_attributes;
483	struct wpabuf *wfd_subelems;
484
485	u8 dialog_token;
486
487	const u8 *capability;
488	const u8 *go_intent;
489	const u8 *status;
490	const u8 *listen_channel;
491	const u8 *operating_channel;
492	const u8 *channel_list;
493	u8 channel_list_len;
494	const u8 *config_timeout;
495	const u8 *intended_addr;
496	const u8 *group_bssid;
497	const u8 *invitation_flags;
498
499	const u8 *group_info;
500	size_t group_info_len;
501
502	const u8 *group_id;
503	size_t group_id_len;
504
505	const u8 *device_id;
506
507	const u8 *manageability;
508
509	const u8 *noa;
510	size_t noa_len;
511
512	const u8 *ext_listen_timing;
513
514	const u8 *minor_reason_code;
515
516	/* P2P Device Info */
517	const u8 *p2p_device_info;
518	size_t p2p_device_info_len;
519	const u8 *p2p_device_addr;
520	const u8 *pri_dev_type;
521	u8 num_sec_dev_types;
522	char device_name[33];
523	u16 config_methods;
524
525	/* WPS IE */
526	u16 dev_password_id;
527	u16 wps_config_methods;
528	const u8 *wps_pri_dev_type;
529	const u8 *wps_sec_dev_type_list;
530	size_t wps_sec_dev_type_list_len;
531	const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
532	size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
533	const u8 *manufacturer;
534	size_t manufacturer_len;
535	const u8 *model_name;
536	size_t model_name_len;
537	const u8 *model_number;
538	size_t model_number_len;
539	const u8 *serial_number;
540	size_t serial_number_len;
541
542	/* DS Parameter Set IE */
543	const u8 *ds_params;
544
545	/* SSID IE */
546	const u8 *ssid;
547};
548
549
550#define P2P_MAX_GROUP_ENTRIES 50
551
552struct p2p_group_info {
553	unsigned int num_clients;
554	struct p2p_client_info {
555		const u8 *p2p_device_addr;
556		const u8 *p2p_interface_addr;
557		u8 dev_capab;
558		u16 config_methods;
559		const u8 *pri_dev_type;
560		u8 num_sec_dev_types;
561		const u8 *sec_dev_types;
562		const char *dev_name;
563		size_t dev_name_len;
564	} client[P2P_MAX_GROUP_ENTRIES];
565};
566
567
568/* p2p_utils.c */
569int p2p_random(char *buf, size_t len);
570int p2p_channel_to_freq(const char *country, int reg_class, int channel);
571int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class,
572			u8 *channel);
573void p2p_channels_intersect(const struct p2p_channels *a,
574			    const struct p2p_channels *b,
575			    struct p2p_channels *res);
576int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
577			  u8 channel);
578
579/* p2p_parse.c */
580int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
581int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
582int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
583void p2p_parse_free(struct p2p_message *msg);
584int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
585int p2p_group_info_parse(const u8 *gi, size_t gi_len,
586			 struct p2p_group_info *info);
587
588/* p2p_build.c */
589
590struct p2p_noa_desc {
591	u8 count_type;
592	u32 duration;
593	u32 interval;
594	u32 start_time;
595};
596
597/* p2p_group.c */
598const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
599u8 p2p_group_presence_req(struct p2p_group *group,
600			  const u8 *client_interface_addr,
601			  const u8 *noa, size_t noa_len);
602int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
603				size_t group_id_len);
604void p2p_group_update_ies(struct p2p_group *group);
605struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
606
607
608void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
609void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
610				   u8 dialog_token);
611u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
612void p2p_buf_add_status(struct wpabuf *buf, u8 status);
613void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
614			     struct p2p_device *peer);
615void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
616void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
617void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
618void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
619void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
620				u8 reg_class, u8 channel);
621void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
622				   u8 reg_class, u8 channel);
623void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
624			      struct p2p_channels *chan);
625void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
626				u8 client_timeout);
627void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
628void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
629void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
630			  const u8 *ssid, size_t ssid_len);
631void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
632void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
633		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
634void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
635				   u16 interval);
636void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
637void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
638		      int all_attr);
639
640/* p2p_sd.c */
641struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
642					 struct p2p_device *dev);
643void p2p_free_sd_queries(struct p2p_data *p2p);
644void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
645			    const u8 *data, size_t len, int rx_freq);
646void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
647			     const u8 *data, size_t len, int rx_freq);
648void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
649			     const u8 *data, size_t len, int rx_freq);
650void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
651			      const u8 *data, size_t len, int rx_freq);
652int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
653
654/* p2p_go_neg.c */
655int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
656			    struct p2p_device *dev,
657			    const u8 *channel_list, size_t channel_list_len);
658void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
659			    const u8 *data, size_t len, int rx_freq);
660void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
661			     const u8 *data, size_t len, int rx_freq);
662void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
663			     const u8 *data, size_t len);
664int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
665u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
666void p2p_reselect_channel(struct p2p_data *p2p,
667			  struct p2p_channels *intersection);
668
669/* p2p_pd.c */
670void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
671			       const u8 *data, size_t len, int rx_freq);
672void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
673				const u8 *data, size_t len);
674int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
675			   int join, int force_freq);
676void p2p_reset_pending_pd(struct p2p_data *p2p);
677
678/* p2p_invitation.c */
679void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
680				const u8 *data, size_t len, int rx_freq);
681void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
682				 const u8 *data, size_t len);
683int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
684		    const u8 *go_dev_addr);
685void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
686void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
687
688/* p2p_dev_disc.c */
689void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
690			      const u8 *data, size_t len, int rx_freq);
691void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
692int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
693void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
694void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
695			       const u8 *data, size_t len);
696void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
697void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
698			     const u8 *data, size_t len, int rx_freq);
699
700/* p2p.c */
701void p2p_set_state(struct p2p_data *p2p, int new_state);
702void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
703		     unsigned int usec);
704void p2p_clear_timeout(struct p2p_data *p2p);
705void p2p_continue_find(struct p2p_data *p2p);
706struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
707						const u8 *addr,
708						struct p2p_message *msg);
709void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
710		      struct p2p_device *dev, struct p2p_message *msg);
711int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
712		   struct os_time *rx_time, int level, const u8 *ies,
713		   size_t ies_len, int scan_res);
714struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
715struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
716					     const u8 *addr);
717void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
718		       int status);
719void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
720int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
721int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
722			size_t num_req_dev_type);
723struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
724void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
725int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
726		    const u8 *src, const u8 *bssid, const u8 *buf,
727		    size_t len, unsigned int wait_time);
728void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
729
730#endif /* P2P_I_H */
731