p2p_i.h revision 4582d2a5dd8180c52eb95b1100fb183b9a289708
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_role_indication;
16
17enum p2p_go_state {
18	UNKNOWN_GO,
19	LOCAL_GO,
20	REMOTE_GO
21};
22
23/**
24 * struct p2p_device - P2P Device data (internal to P2P module)
25 */
26struct p2p_device {
27	struct dl_list list;
28	struct os_reltime last_seen;
29	int listen_freq;
30	int oob_go_neg_freq;
31	enum p2p_wps_method wps_method;
32	u16 oob_pw_id;
33
34	struct p2p_peer_info info;
35
36	/*
37	 * If the peer was discovered based on an interface address (e.g., GO
38	 * from Beacon/Probe Response), the interface address is stored here.
39	 * p2p_device_addr must still be set in such a case to the unique
40	 * identifier for the P2P Device.
41	 */
42	u8 interface_addr[ETH_ALEN];
43
44	/*
45	 * P2P Device Address of the GO in whose group this P2P Device is a
46	 * client.
47	 */
48	u8 member_in_go_dev[ETH_ALEN];
49
50	/*
51	 * P2P Interface Address of the GO in whose group this P2P Device is a
52	 * client.
53	 */
54	u8 member_in_go_iface[ETH_ALEN];
55
56	int go_neg_req_sent;
57	enum p2p_go_state go_state;
58	u8 dialog_token;
59	u8 tie_breaker;
60	u8 intended_addr[ETH_ALEN];
61
62	char country[3];
63	struct p2p_channels channels;
64	int oper_freq;
65	u8 oper_ssid[32];
66	size_t oper_ssid_len;
67
68	/**
69	 * req_config_methods - Pending provision discovery methods
70	 */
71	u16 req_config_methods;
72
73	/**
74	 * wps_prov_info - Stored provisioning WPS config method
75	 *
76	 * This is used to store pending WPS config method between Provisioning
77	 * Discovery and connection to a running group.
78	 */
79	u16 wps_prov_info;
80
81#define P2P_DEV_PROBE_REQ_ONLY BIT(0)
82#define P2P_DEV_REPORTED BIT(1)
83#define P2P_DEV_NOT_YET_READY BIT(2)
84#define P2P_DEV_PD_PEER_DISPLAY BIT(5)
85#define P2P_DEV_PD_PEER_KEYPAD BIT(6)
86#define P2P_DEV_USER_REJECTED BIT(7)
87#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
88#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
89#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
90#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
91#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
92#define P2P_DEV_FORCE_FREQ BIT(13)
93#define P2P_DEV_PD_FOR_JOIN BIT(14)
94#define P2P_DEV_REPORTED_ONCE BIT(15)
95#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)
96#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17)
97#define P2P_DEV_NO_PREF_CHAN BIT(18)
98#define P2P_DEV_WAIT_INV_REQ_ACK BIT(19)
99	unsigned int flags;
100
101	int status; /* enum p2p_status_code */
102	unsigned int wait_count;
103	unsigned int connect_reqs;
104	unsigned int invitation_reqs;
105
106	u16 ext_listen_period;
107	u16 ext_listen_interval;
108
109	u8 go_timeout;
110	u8 client_timeout;
111	int sd_pending_bcast_queries;
112};
113
114struct p2p_sd_query {
115	struct p2p_sd_query *next;
116	u8 peer[ETH_ALEN];
117	int for_all_peers;
118	int wsd; /* Wi-Fi Display Service Discovery Request */
119	struct wpabuf *tlvs;
120};
121
122struct p2p_pending_action_tx {
123	unsigned int freq;
124	u8 dst[ETH_ALEN];
125	u8 src[ETH_ALEN];
126	u8 bssid[ETH_ALEN];
127	size_t len;
128	unsigned int wait_time;
129	/* Followed by len octets of the frame */
130};
131
132/**
133 * struct p2p_data - P2P module data (internal to P2P module)
134 */
135struct p2p_data {
136	/**
137	 * cfg - P2P module configuration
138	 *
139	 * This is included in the same memory allocation with the
140	 * struct p2p_data and as such, must not be freed separately.
141	 */
142	struct p2p_config *cfg;
143
144	/**
145	 * state - The current P2P state
146	 */
147	enum p2p_state {
148		/**
149		 * P2P_IDLE - Idle
150		 */
151		P2P_IDLE,
152
153		/**
154		 * P2P_SEARCH - Search (Device Discovery)
155		 */
156		P2P_SEARCH,
157
158		/**
159		 * P2P_CONNECT - Trying to start GO Negotiation
160		 */
161		P2P_CONNECT,
162
163		/**
164		 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
165		 */
166		P2P_CONNECT_LISTEN,
167
168		/**
169		 * P2P_GO_NEG - In GO Negotiation
170		 */
171		P2P_GO_NEG,
172
173		/**
174		 * P2P_LISTEN_ONLY - Listen only
175		 */
176		P2P_LISTEN_ONLY,
177
178		/**
179		 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
180		 */
181		P2P_WAIT_PEER_CONNECT,
182
183		/**
184		 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
185		 */
186		P2P_WAIT_PEER_IDLE,
187
188		/**
189		 * P2P_SD_DURING_FIND - Service Discovery during find
190		 */
191		P2P_SD_DURING_FIND,
192
193		/**
194		 * P2P_PROVISIONING - Provisioning (during group formation)
195		 */
196		P2P_PROVISIONING,
197
198		/**
199		 * P2P_PD_DURING_FIND - Provision Discovery during find
200		 */
201		P2P_PD_DURING_FIND,
202
203		/**
204		 * P2P_INVITE - Trying to start Invite
205		 */
206		P2P_INVITE,
207
208		/**
209		 * P2P_INVITE_LISTEN - Listen during Invite
210		 */
211		P2P_INVITE_LISTEN,
212	} state;
213
214	/**
215	 * min_disc_int - minDiscoverableInterval
216	 */
217	int min_disc_int;
218
219	/**
220	 * max_disc_int - maxDiscoverableInterval
221	 */
222	int max_disc_int;
223
224	/**
225	 * max_disc_tu - Maximum number of TUs for discoverable interval
226	 */
227	int max_disc_tu;
228
229	/**
230	 * devices - List of known P2P Device peers
231	 */
232	struct dl_list devices;
233
234	/**
235	 * go_neg_peer - Pointer to GO Negotiation peer
236	 */
237	struct p2p_device *go_neg_peer;
238
239	/**
240	 * invite_peer - Pointer to Invite peer
241	 */
242	struct p2p_device *invite_peer;
243
244	const u8 *invite_go_dev_addr;
245	u8 invite_go_dev_addr_buf[ETH_ALEN];
246	int invite_dev_pw_id;
247
248	/**
249	 * sd_peer - Pointer to Service Discovery peer
250	 */
251	struct p2p_device *sd_peer;
252
253	/**
254	 * sd_query - Pointer to Service Discovery query
255	 */
256	struct p2p_sd_query *sd_query;
257
258	/**
259	 * num_p2p_sd_queries - Total number of broadcast SD queries present in
260	 * the list
261	 */
262	int num_p2p_sd_queries;
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	struct wpa_freq_range_list no_go_freq;
321
322	enum p2p_pending_action_state {
323		P2P_NO_PENDING_ACTION,
324		P2P_PENDING_GO_NEG_REQUEST,
325		P2P_PENDING_GO_NEG_RESPONSE,
326		P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
327		P2P_PENDING_GO_NEG_CONFIRM,
328		P2P_PENDING_SD,
329		P2P_PENDING_PD,
330		P2P_PENDING_INVITATION_REQUEST,
331		P2P_PENDING_INVITATION_RESPONSE,
332		P2P_PENDING_DEV_DISC_REQUEST,
333		P2P_PENDING_DEV_DISC_RESPONSE,
334		P2P_PENDING_GO_DISC_REQ
335	} pending_action_state;
336
337	unsigned int pending_listen_freq;
338	unsigned int pending_listen_sec;
339	unsigned int pending_listen_usec;
340
341	u8 dev_capab;
342
343	int in_listen;
344	int drv_in_listen;
345
346	/**
347	 * sd_queries - Pending service discovery queries
348	 */
349	struct p2p_sd_query *sd_queries;
350
351	/**
352	 * srv_update_indic - Service Update Indicator for local services
353	 */
354	u16 srv_update_indic;
355
356	struct wpabuf *sd_resp; /* Fragmented SD response */
357	u8 sd_resp_addr[ETH_ALEN];
358	u8 sd_resp_dialog_token;
359	size_t sd_resp_pos; /* Offset in sd_resp */
360	u8 sd_frag_id;
361
362	struct wpabuf *sd_rx_resp; /* Reassembled SD response */
363	u16 sd_rx_update_indic;
364
365	/* P2P Invitation data */
366	enum p2p_invite_role inv_role;
367	u8 inv_bssid[ETH_ALEN];
368	int inv_bssid_set;
369	u8 inv_ssid[32];
370	size_t inv_ssid_len;
371	u8 inv_sa[ETH_ALEN];
372	u8 inv_group_bssid[ETH_ALEN];
373	u8 *inv_group_bssid_ptr;
374	u8 inv_go_dev_addr[ETH_ALEN];
375	u8 inv_status;
376	int inv_op_freq;
377	int inv_persistent;
378
379	enum p2p_discovery_type find_type;
380	unsigned int last_p2p_find_timeout;
381	u8 last_prog_scan_class;
382	u8 last_prog_scan_chan;
383	int p2p_scan_running;
384	enum p2p_after_scan {
385		P2P_AFTER_SCAN_NOTHING,
386		P2P_AFTER_SCAN_LISTEN,
387		P2P_AFTER_SCAN_CONNECT
388	} start_after_scan;
389	u8 after_scan_peer[ETH_ALEN];
390	struct p2p_pending_action_tx *after_scan_tx;
391	unsigned int after_scan_tx_in_progress:1;
392	unsigned int send_action_in_progress:1;
393
394	/* Requested device types for find/search */
395	unsigned int num_req_dev_types;
396	u8 *req_dev_types;
397	u8 *find_dev_id;
398	u8 find_dev_id_buf[ETH_ALEN];
399
400	struct os_reltime find_start; /* time of last p2p_find start */
401
402	struct p2p_group **groups;
403	size_t num_groups;
404
405	struct p2p_device *pending_client_disc_go;
406	u8 pending_client_disc_addr[ETH_ALEN];
407	u8 pending_dev_disc_dialog_token;
408	u8 pending_dev_disc_addr[ETH_ALEN];
409	int pending_dev_disc_freq;
410	unsigned int pending_client_disc_freq;
411
412	int ext_listen_only;
413	unsigned int ext_listen_period;
414	unsigned int ext_listen_interval;
415	unsigned int ext_listen_interval_sec;
416	unsigned int ext_listen_interval_usec;
417
418	u8 peer_filter[ETH_ALEN];
419
420	int cross_connect;
421
422	int best_freq_24;
423	int best_freq_5;
424	int best_freq_overall;
425	int own_freq_preference;
426
427	/**
428	 * wps_vendor_ext - WPS Vendor Extensions to add
429	 */
430	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
431
432	/*
433	 * user_initiated_pd - Whether a PD request is user initiated or not.
434	 */
435	u8 user_initiated_pd;
436
437	/*
438	 * Keep track of which peer a given PD request was sent to.
439	 * Used to raise a timeout alert in case there is no response.
440	 */
441	u8 pending_pd_devaddr[ETH_ALEN];
442
443	/*
444	 * Retry counter for provision discovery requests when issued
445	 * in IDLE state.
446	 */
447	int pd_retries;
448
449	/**
450	 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select
451	 *
452	 * This is is used during PD retries for join-a-group case to use the
453	 * correct operating frequency determined from a BSS entry for the GO.
454	 */
455	int pd_force_freq;
456
457	u8 go_timeout;
458	u8 client_timeout;
459
460	/* Extra delay in milliseconds between search iterations */
461	unsigned int search_delay;
462	int in_search_delay;
463
464#ifdef CONFIG_WIFI_DISPLAY
465	struct wpabuf *wfd_ie_beacon;
466	struct wpabuf *wfd_ie_probe_req;
467	struct wpabuf *wfd_ie_probe_resp;
468	struct wpabuf *wfd_ie_assoc_req;
469	struct wpabuf *wfd_ie_invitation;
470	struct wpabuf *wfd_ie_prov_disc_req;
471	struct wpabuf *wfd_ie_prov_disc_resp;
472	struct wpabuf *wfd_ie_go_neg;
473	struct wpabuf *wfd_dev_info;
474	struct wpabuf *wfd_assoc_bssid;
475	struct wpabuf *wfd_coupled_sink_info;
476#endif /* CONFIG_WIFI_DISPLAY */
477
478	u16 authorized_oob_dev_pw_id;
479};
480
481/**
482 * struct p2p_message - Parsed P2P message (or P2P IE)
483 */
484struct p2p_message {
485	struct wpabuf *p2p_attributes;
486	struct wpabuf *wps_attributes;
487	struct wpabuf *wfd_subelems;
488
489	u8 dialog_token;
490
491	const u8 *capability;
492	const u8 *go_intent;
493	const u8 *status;
494	const u8 *listen_channel;
495	const u8 *operating_channel;
496	const u8 *channel_list;
497	u8 channel_list_len;
498	const u8 *config_timeout;
499	const u8 *intended_addr;
500	const u8 *group_bssid;
501	const u8 *invitation_flags;
502
503	const u8 *group_info;
504	size_t group_info_len;
505
506	const u8 *group_id;
507	size_t group_id_len;
508
509	const u8 *device_id;
510
511	const u8 *manageability;
512
513	const u8 *noa;
514	size_t noa_len;
515
516	const u8 *ext_listen_timing;
517
518	const u8 *minor_reason_code;
519
520	const u8 *oob_go_neg_channel;
521
522	/* P2P Device Info */
523	const u8 *p2p_device_info;
524	size_t p2p_device_info_len;
525	const u8 *p2p_device_addr;
526	const u8 *pri_dev_type;
527	u8 num_sec_dev_types;
528	char device_name[33];
529	u16 config_methods;
530
531	/* WPS IE */
532	u16 dev_password_id;
533	int dev_password_id_present;
534	u16 wps_config_methods;
535	const u8 *wps_pri_dev_type;
536	const u8 *wps_sec_dev_type_list;
537	size_t wps_sec_dev_type_list_len;
538	const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
539	size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
540	const u8 *manufacturer;
541	size_t manufacturer_len;
542	const u8 *model_name;
543	size_t model_name_len;
544	const u8 *model_number;
545	size_t model_number_len;
546	const u8 *serial_number;
547	size_t serial_number_len;
548	const u8 *oob_dev_password;
549	size_t oob_dev_password_len;
550
551	/* DS Parameter Set IE */
552	const u8 *ds_params;
553
554	/* SSID IE */
555	const u8 *ssid;
556};
557
558
559#define P2P_MAX_GROUP_ENTRIES 50
560
561struct p2p_group_info {
562	unsigned int num_clients;
563	struct p2p_client_info {
564		const u8 *p2p_device_addr;
565		const u8 *p2p_interface_addr;
566		u8 dev_capab;
567		u16 config_methods;
568		const u8 *pri_dev_type;
569		u8 num_sec_dev_types;
570		const u8 *sec_dev_types;
571		const char *dev_name;
572		size_t dev_name_len;
573	} client[P2P_MAX_GROUP_ENTRIES];
574};
575
576
577/* p2p_utils.c */
578int p2p_random(char *buf, size_t len);
579int p2p_channel_to_freq(int op_class, int channel);
580int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
581void p2p_channels_intersect(const struct p2p_channels *a,
582			    const struct p2p_channels *b,
583			    struct p2p_channels *res);
584void p2p_channels_union(const struct p2p_channels *a,
585			const struct p2p_channels *b,
586			struct p2p_channels *res);
587void p2p_channels_remove_freqs(struct p2p_channels *chan,
588			       const struct wpa_freq_range_list *list);
589int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
590			  u8 channel);
591void p2p_channels_dump(struct p2p_data *p2p, const char *title,
592		       const struct p2p_channels *chan);
593int p2p_channel_select(struct p2p_channels *chans, const int *classes,
594		       u8 *op_class, u8 *op_channel);
595
596/* p2p_parse.c */
597int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
598int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
599int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
600int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,
601			   size_t p2p_len, struct p2p_message *msg);
602void p2p_parse_free(struct p2p_message *msg);
603int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
604int p2p_group_info_parse(const u8 *gi, size_t gi_len,
605			 struct p2p_group_info *info);
606
607/* p2p_build.c */
608
609struct p2p_noa_desc {
610	u8 count_type;
611	u32 duration;
612	u32 interval;
613	u32 start_time;
614};
615
616/* p2p_group.c */
617const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
618u8 p2p_group_presence_req(struct p2p_group *group,
619			  const u8 *client_interface_addr,
620			  const u8 *noa, size_t noa_len);
621int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
622				size_t group_id_len);
623void p2p_group_update_ies(struct p2p_group *group);
624void p2p_group_force_beacon_update_ies(struct p2p_group *group);
625struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
626void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf,
627			    int max_clients);
628void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf);
629int p2p_group_get_freq(struct p2p_group *group);
630
631
632void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
633void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
634				   u8 dialog_token);
635u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
636void p2p_buf_add_status(struct wpabuf *buf, u8 status);
637void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
638			     struct p2p_device *peer);
639void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
640void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
641void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
642void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
643void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
644				u8 reg_class, u8 channel);
645void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
646				   u8 reg_class, u8 channel);
647void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
648			      struct p2p_channels *chan);
649void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
650				u8 client_timeout);
651void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
652void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
653void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
654			  const u8 *ssid, size_t ssid_len);
655void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
656void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
657		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
658void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
659				   u16 interval);
660void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
661void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country,
662				    u8 oper_class, u8 channel,
663				    enum p2p_role_indication role);
664int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
665		     int all_attr);
666
667/* p2p_sd.c */
668struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
669					 struct p2p_device *dev);
670void p2p_free_sd_queries(struct p2p_data *p2p);
671void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
672			    const u8 *data, size_t len, int rx_freq);
673void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
674			     const u8 *data, size_t len, int rx_freq);
675void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
676			     const u8 *data, size_t len, int rx_freq);
677void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
678			      const u8 *data, size_t len, int rx_freq);
679int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
680
681/* p2p_go_neg.c */
682int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
683			    struct p2p_device *dev,
684			    const u8 *channel_list, size_t channel_list_len);
685void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
686			    const u8 *data, size_t len, int rx_freq);
687void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
688			     const u8 *data, size_t len, int rx_freq);
689void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
690			     const u8 *data, size_t len);
691int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
692u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
693void p2p_reselect_channel(struct p2p_data *p2p,
694			  struct p2p_channels *intersection);
695
696/* p2p_pd.c */
697void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
698			       const u8 *data, size_t len, int rx_freq);
699void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
700				const u8 *data, size_t len);
701int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
702			   int join, int force_freq);
703void p2p_reset_pending_pd(struct p2p_data *p2p);
704
705/* p2p_invitation.c */
706void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
707				const u8 *data, size_t len, int rx_freq);
708void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
709				 const u8 *data, size_t len);
710int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
711		    const u8 *go_dev_addr, int dev_pw_id);
712void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
713void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
714
715/* p2p_dev_disc.c */
716void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
717			      const u8 *data, size_t len, int rx_freq);
718void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
719int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
720void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
721void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
722			       const u8 *data, size_t len);
723void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
724void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
725			     const u8 *data, size_t len, int rx_freq);
726
727/* p2p.c */
728void p2p_set_state(struct p2p_data *p2p, int new_state);
729void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
730		     unsigned int usec);
731void p2p_clear_timeout(struct p2p_data *p2p);
732void p2p_continue_find(struct p2p_data *p2p);
733struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
734						const u8 *addr,
735						struct p2p_message *msg);
736void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
737		      struct p2p_device *dev, struct p2p_message *msg);
738int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
739		   struct os_reltime *rx_time, int level, const u8 *ies,
740		   size_t ies_len, int scan_res);
741struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
742struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
743					     const u8 *addr);
744void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
745		       int status);
746void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
747int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
748int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
749			size_t num_req_dev_type);
750struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
751void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
752int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
753		    const u8 *src, const u8 *bssid, const u8 *buf,
754		    size_t len, unsigned int wait_time);
755void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
756int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
757			unsigned int force_freq, unsigned int pref_freq,
758			int go);
759void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
760PRINTF_FORMAT(2, 3);
761void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
762PRINTF_FORMAT(2, 3);
763void p2p_err(struct p2p_data *p2p, const char *fmt, ...)
764PRINTF_FORMAT(2, 3);
765
766#endif /* P2P_I_H */
767