p2p_i.h revision fb79edc9df1f20461e90e478363d207348213d35
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_reltime 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	} state;
209
210	/**
211	 * min_disc_int - minDiscoverableInterval
212	 */
213	int min_disc_int;
214
215	/**
216	 * max_disc_int - maxDiscoverableInterval
217	 */
218	int max_disc_int;
219
220	/**
221	 * max_disc_tu - Maximum number of TUs for discoverable interval
222	 */
223	int max_disc_tu;
224
225	/**
226	 * devices - List of known P2P Device peers
227	 */
228	struct dl_list devices;
229
230#ifdef ANDROID_P2P
231	/**
232	 * sd_dev_list - device pointer to be serviced next
233	 * for service discovery
234	 */
235	struct dl_list *sd_dev_list;
236#endif
237
238	/**
239	 * go_neg_peer - Pointer to GO Negotiation peer
240	 */
241	struct p2p_device *go_neg_peer;
242
243	/**
244	 * invite_peer - Pointer to Invite peer
245	 */
246	struct p2p_device *invite_peer;
247
248	const u8 *invite_go_dev_addr;
249	u8 invite_go_dev_addr_buf[ETH_ALEN];
250
251	/**
252	 * sd_peer - Pointer to Service Discovery peer
253	 */
254	struct p2p_device *sd_peer;
255
256	/**
257	 * sd_query - Pointer to Service Discovery query
258	 */
259	struct p2p_sd_query *sd_query;
260
261	/* GO Negotiation data */
262
263	/**
264	 * intended_addr - Local Intended P2P Interface Address
265	 *
266	 * This address is used during group owner negotiation as the Intended
267	 * P2P Interface Address and the group interface will be created with
268	 * address as the local address in case of successfully completed
269	 * negotiation.
270	 */
271	u8 intended_addr[ETH_ALEN];
272
273	/**
274	 * go_intent - Local GO Intent to be used during GO Negotiation
275	 */
276	u8 go_intent;
277
278	/**
279	 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
280	 */
281	u8 next_tie_breaker;
282
283	/**
284	 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
285	 */
286	u8 ssid[32];
287
288	/**
289	 * ssid_len - ssid length in octets
290	 */
291	size_t ssid_len;
292
293	/**
294	 * ssid_set - Whether SSID is already set for GO Negotiation
295	 */
296	int ssid_set;
297
298	/**
299	 * Regulatory class for own operational channel
300	 */
301	u8 op_reg_class;
302
303	/**
304	 * op_channel - Own operational channel
305	 */
306	u8 op_channel;
307
308	/**
309	 * channels - Own supported regulatory classes and channels
310	 *
311	 * List of supposerted channels per regulatory class. The regulatory
312	 * classes are defined in IEEE Std 802.11-2007 Annex J and the
313	 * numbering of the clases depends on the configured country code.
314	 */
315	struct p2p_channels channels;
316
317	struct wpa_freq_range_list no_go_freq;
318
319	enum p2p_pending_action_state {
320		P2P_NO_PENDING_ACTION,
321		P2P_PENDING_GO_NEG_REQUEST,
322		P2P_PENDING_GO_NEG_RESPONSE,
323		P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
324		P2P_PENDING_GO_NEG_CONFIRM,
325		P2P_PENDING_SD,
326		P2P_PENDING_PD,
327		P2P_PENDING_INVITATION_REQUEST,
328		P2P_PENDING_INVITATION_RESPONSE,
329		P2P_PENDING_DEV_DISC_REQUEST,
330		P2P_PENDING_DEV_DISC_RESPONSE,
331		P2P_PENDING_GO_DISC_REQ
332	} pending_action_state;
333
334	unsigned int pending_listen_freq;
335	unsigned int pending_listen_sec;
336	unsigned int pending_listen_usec;
337
338	u8 dev_capab;
339
340	int in_listen;
341	int drv_in_listen;
342
343	/**
344	 * sd_queries - Pending service discovery queries
345	 */
346	struct p2p_sd_query *sd_queries;
347
348	/**
349	 * srv_update_indic - Service Update Indicator for local services
350	 */
351	u16 srv_update_indic;
352
353	struct wpabuf *sd_resp; /* Fragmented SD response */
354	u8 sd_resp_addr[ETH_ALEN];
355	u8 sd_resp_dialog_token;
356	size_t sd_resp_pos; /* Offset in sd_resp */
357	u8 sd_frag_id;
358
359	struct wpabuf *sd_rx_resp; /* Reassembled SD response */
360	u16 sd_rx_update_indic;
361
362	/* P2P Invitation data */
363	enum p2p_invite_role inv_role;
364	u8 inv_bssid[ETH_ALEN];
365	int inv_bssid_set;
366	u8 inv_ssid[32];
367	size_t inv_ssid_len;
368	u8 inv_sa[ETH_ALEN];
369	u8 inv_group_bssid[ETH_ALEN];
370	u8 *inv_group_bssid_ptr;
371	u8 inv_go_dev_addr[ETH_ALEN];
372	u8 inv_status;
373	int inv_op_freq;
374	int inv_persistent;
375
376	enum p2p_discovery_type find_type;
377	unsigned int last_p2p_find_timeout;
378	u8 last_prog_scan_class;
379	u8 last_prog_scan_chan;
380	int p2p_scan_running;
381	enum p2p_after_scan {
382		P2P_AFTER_SCAN_NOTHING,
383		P2P_AFTER_SCAN_LISTEN,
384		P2P_AFTER_SCAN_CONNECT
385	} start_after_scan;
386	u8 after_scan_peer[ETH_ALEN];
387	struct p2p_pending_action_tx *after_scan_tx;
388	unsigned int after_scan_tx_in_progress:1;
389
390	/* Requested device types for find/search */
391	unsigned int num_req_dev_types;
392	u8 *req_dev_types;
393	u8 *find_dev_id;
394	u8 find_dev_id_buf[ETH_ALEN];
395
396	struct os_reltime find_start; /* time of last p2p_find start */
397
398	struct p2p_group **groups;
399	size_t num_groups;
400
401	struct p2p_device *pending_client_disc_go;
402	u8 pending_client_disc_addr[ETH_ALEN];
403	u8 pending_dev_disc_dialog_token;
404	u8 pending_dev_disc_addr[ETH_ALEN];
405	int pending_dev_disc_freq;
406	unsigned int pending_client_disc_freq;
407
408	int ext_listen_only;
409	unsigned int ext_listen_period;
410	unsigned int ext_listen_interval;
411	unsigned int ext_listen_interval_sec;
412	unsigned int ext_listen_interval_usec;
413
414	u8 peer_filter[ETH_ALEN];
415
416	int cross_connect;
417
418	int best_freq_24;
419	int best_freq_5;
420	int best_freq_overall;
421	int own_freq_preference;
422
423	/**
424	 * wps_vendor_ext - WPS Vendor Extensions to add
425	 */
426	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
427
428	/*
429	 * user_initiated_pd - Whether a PD request is user initiated or not.
430	 */
431	u8 user_initiated_pd;
432
433	/*
434	 * Keep track of which peer a given PD request was sent to.
435	 * Used to raise a timeout alert in case there is no response.
436	 */
437	u8 pending_pd_devaddr[ETH_ALEN];
438
439	/*
440	 * Retry counter for provision discovery requests when issued
441	 * in IDLE state.
442	 */
443	int pd_retries;
444
445	/**
446	 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select
447	 *
448	 * This is is used during PD retries for join-a-group case to use the
449	 * correct operating frequency determined from a BSS entry for the GO.
450	 */
451	int pd_force_freq;
452
453	u8 go_timeout;
454	u8 client_timeout;
455
456	/* Extra delay in milliseconds between search iterations */
457	unsigned int search_delay;
458	int in_search_delay;
459
460#ifdef CONFIG_WIFI_DISPLAY
461	struct wpabuf *wfd_ie_beacon;
462	struct wpabuf *wfd_ie_probe_req;
463	struct wpabuf *wfd_ie_probe_resp;
464	struct wpabuf *wfd_ie_assoc_req;
465	struct wpabuf *wfd_ie_invitation;
466	struct wpabuf *wfd_ie_prov_disc_req;
467	struct wpabuf *wfd_ie_prov_disc_resp;
468	struct wpabuf *wfd_ie_go_neg;
469	struct wpabuf *wfd_dev_info;
470	struct wpabuf *wfd_assoc_bssid;
471	struct wpabuf *wfd_coupled_sink_info;
472#endif /* CONFIG_WIFI_DISPLAY */
473};
474
475/**
476 * struct p2p_message - Parsed P2P message (or P2P IE)
477 */
478struct p2p_message {
479	struct wpabuf *p2p_attributes;
480	struct wpabuf *wps_attributes;
481	struct wpabuf *wfd_subelems;
482
483	u8 dialog_token;
484
485	const u8 *capability;
486	const u8 *go_intent;
487	const u8 *status;
488	const u8 *listen_channel;
489	const u8 *operating_channel;
490	const u8 *channel_list;
491	u8 channel_list_len;
492	const u8 *config_timeout;
493	const u8 *intended_addr;
494	const u8 *group_bssid;
495	const u8 *invitation_flags;
496
497	const u8 *group_info;
498	size_t group_info_len;
499
500	const u8 *group_id;
501	size_t group_id_len;
502
503	const u8 *device_id;
504
505	const u8 *manageability;
506
507	const u8 *noa;
508	size_t noa_len;
509
510	const u8 *ext_listen_timing;
511
512	const u8 *minor_reason_code;
513
514	/* P2P Device Info */
515	const u8 *p2p_device_info;
516	size_t p2p_device_info_len;
517	const u8 *p2p_device_addr;
518	const u8 *pri_dev_type;
519	u8 num_sec_dev_types;
520	char device_name[33];
521	u16 config_methods;
522
523	/* WPS IE */
524	u16 dev_password_id;
525	u16 wps_config_methods;
526	const u8 *wps_pri_dev_type;
527	const u8 *wps_sec_dev_type_list;
528	size_t wps_sec_dev_type_list_len;
529	const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
530	size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
531	const u8 *manufacturer;
532	size_t manufacturer_len;
533	const u8 *model_name;
534	size_t model_name_len;
535	const u8 *model_number;
536	size_t model_number_len;
537	const u8 *serial_number;
538	size_t serial_number_len;
539
540	/* DS Parameter Set IE */
541	const u8 *ds_params;
542
543	/* SSID IE */
544	const u8 *ssid;
545};
546
547
548#define P2P_MAX_GROUP_ENTRIES 50
549
550struct p2p_group_info {
551	unsigned int num_clients;
552	struct p2p_client_info {
553		const u8 *p2p_device_addr;
554		const u8 *p2p_interface_addr;
555		u8 dev_capab;
556		u16 config_methods;
557		const u8 *pri_dev_type;
558		u8 num_sec_dev_types;
559		const u8 *sec_dev_types;
560		const char *dev_name;
561		size_t dev_name_len;
562	} client[P2P_MAX_GROUP_ENTRIES];
563};
564
565
566/* p2p_utils.c */
567int p2p_random(char *buf, size_t len);
568int p2p_channel_to_freq(int op_class, int channel);
569int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
570void p2p_channels_intersect(const struct p2p_channels *a,
571			    const struct p2p_channels *b,
572			    struct p2p_channels *res);
573void p2p_channels_union(const struct p2p_channels *a,
574			const struct p2p_channels *b,
575			struct p2p_channels *res);
576void p2p_channels_remove_freqs(struct p2p_channels *chan,
577			       const struct wpa_freq_range_list *list);
578int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
579			  u8 channel);
580void p2p_channels_dump(struct p2p_data *p2p, const char *title,
581		       const struct p2p_channels *chan);
582int p2p_channel_select(struct p2p_channels *chans, const int *classes,
583		       u8 *op_class, u8 *op_channel);
584
585/* p2p_parse.c */
586int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
587int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
588int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
589void p2p_parse_free(struct p2p_message *msg);
590int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
591int p2p_group_info_parse(const u8 *gi, size_t gi_len,
592			 struct p2p_group_info *info);
593
594/* p2p_build.c */
595
596struct p2p_noa_desc {
597	u8 count_type;
598	u32 duration;
599	u32 interval;
600	u32 start_time;
601};
602
603/* p2p_group.c */
604const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
605u8 p2p_group_presence_req(struct p2p_group *group,
606			  const u8 *client_interface_addr,
607			  const u8 *noa, size_t noa_len);
608int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
609				size_t group_id_len);
610void p2p_group_update_ies(struct p2p_group *group);
611void p2p_group_force_beacon_update_ies(struct p2p_group *group);
612struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
613
614
615void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
616void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
617				   u8 dialog_token);
618u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
619void p2p_buf_add_status(struct wpabuf *buf, u8 status);
620void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
621			     struct p2p_device *peer);
622void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
623void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
624void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
625void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
626void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
627				u8 reg_class, u8 channel);
628void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
629				   u8 reg_class, u8 channel);
630void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
631			      struct p2p_channels *chan);
632void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
633				u8 client_timeout);
634void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
635void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
636void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
637			  const u8 *ssid, size_t ssid_len);
638void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
639void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
640		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
641void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
642				   u16 interval);
643void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
644int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
645		     int all_attr);
646
647/* p2p_sd.c */
648struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
649					 struct p2p_device *dev);
650void p2p_free_sd_queries(struct p2p_data *p2p);
651void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
652			    const u8 *data, size_t len, int rx_freq);
653void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
654			     const u8 *data, size_t len, int rx_freq);
655void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
656			     const u8 *data, size_t len, int rx_freq);
657void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
658			      const u8 *data, size_t len, int rx_freq);
659int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
660
661/* p2p_go_neg.c */
662int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
663			    struct p2p_device *dev,
664			    const u8 *channel_list, size_t channel_list_len);
665void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
666			    const u8 *data, size_t len, int rx_freq);
667void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
668			     const u8 *data, size_t len, int rx_freq);
669void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
670			     const u8 *data, size_t len);
671int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
672u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
673void p2p_reselect_channel(struct p2p_data *p2p,
674			  struct p2p_channels *intersection);
675
676/* p2p_pd.c */
677void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
678			       const u8 *data, size_t len, int rx_freq);
679void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
680				const u8 *data, size_t len);
681int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
682			   int join, int force_freq);
683void p2p_reset_pending_pd(struct p2p_data *p2p);
684
685/* p2p_invitation.c */
686void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
687				const u8 *data, size_t len, int rx_freq);
688void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
689				 const u8 *data, size_t len);
690int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
691		    const u8 *go_dev_addr);
692void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
693void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
694
695/* p2p_dev_disc.c */
696void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
697			      const u8 *data, size_t len, int rx_freq);
698void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
699int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
700void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
701void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
702			       const u8 *data, size_t len);
703void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
704void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
705			     const u8 *data, size_t len, int rx_freq);
706
707/* p2p.c */
708void p2p_set_state(struct p2p_data *p2p, int new_state);
709void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
710		     unsigned int usec);
711void p2p_clear_timeout(struct p2p_data *p2p);
712void p2p_continue_find(struct p2p_data *p2p);
713struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
714						const u8 *addr,
715						struct p2p_message *msg);
716void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
717		      struct p2p_device *dev, struct p2p_message *msg);
718int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
719		   struct os_reltime *rx_time, int level, const u8 *ies,
720		   size_t ies_len, int scan_res);
721struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
722struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
723					     const u8 *addr);
724void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
725		       int status);
726void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
727int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
728int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
729			size_t num_req_dev_type);
730struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
731void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
732int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
733		    const u8 *src, const u8 *bssid, const u8 *buf,
734		    size_t len, unsigned int wait_time);
735void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
736int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
737			unsigned int force_freq, unsigned int pref_freq,
738			int go);
739void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
740PRINTF_FORMAT(2, 3);
741void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
742PRINTF_FORMAT(2, 3);
743void p2p_err(struct p2p_data *p2p, const char *fmt, ...)
744PRINTF_FORMAT(2, 3);
745
746#endif /* P2P_I_H */
747