p2p_i.h revision 1f69aa52ea2e0a73ac502565df8c666ee49cab6a
1/*
2 * P2P - Internal definitions for P2P module
3 * Copyright (c) 2009-2010, Atheros Communications
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#ifndef P2P_I_H
16#define P2P_I_H
17
18#include "utils/list.h"
19#include "p2p.h"
20
21enum p2p_go_state {
22	UNKNOWN_GO,
23	LOCAL_GO,
24	REMOTE_GO
25};
26
27/**
28 * struct p2p_device - P2P Device data (internal to P2P module)
29 */
30struct p2p_device {
31	struct dl_list list;
32	struct os_time last_seen;
33	int listen_freq;
34	enum p2p_wps_method wps_method;
35
36	struct p2p_peer_info info;
37
38	/*
39	 * If the peer was discovered based on an interface address (e.g., GO
40	 * from Beacon/Probe Response), the interface address is stored here.
41	 * p2p_device_addr must still be set in such a case to the unique
42	 * identifier for the P2P Device.
43	 */
44	u8 interface_addr[ETH_ALEN];
45
46	/*
47	 * P2P Device Address of the GO in whose group this P2P Device is a
48	 * client.
49	 */
50	u8 member_in_go_dev[ETH_ALEN];
51
52	/*
53	 * P2P Interface Address of the GO in whose group this P2P Device is a
54	 * client.
55	 */
56	u8 member_in_go_iface[ETH_ALEN];
57
58	int go_neg_req_sent;
59	enum p2p_go_state go_state;
60	u8 dialog_token;
61	u8 intended_addr[ETH_ALEN];
62
63	char country[3];
64	struct p2p_channels channels;
65	int oper_freq;
66	u8 oper_ssid[32];
67	size_t oper_ssid_len;
68
69	/**
70	 * req_config_methods - Pending provision discovery methods
71	 */
72	u16 req_config_methods;
73
74	/**
75	 * wps_prov_info - Stored provisioning WPS config method
76	 *
77	 * This is used to store pending WPS config method between Provisioning
78	 * Discovery and connection to a running group.
79	 */
80	u16 wps_prov_info;
81
82#define P2P_DEV_PROBE_REQ_ONLY BIT(0)
83#define P2P_DEV_REPORTED BIT(1)
84#define P2P_DEV_NOT_YET_READY BIT(2)
85#define P2P_DEV_SD_INFO BIT(3)
86#define P2P_DEV_SD_SCHEDULE BIT(4)
87#define P2P_DEV_PD_PEER_DISPLAY BIT(5)
88#define P2P_DEV_PD_PEER_KEYPAD BIT(6)
89#define P2P_DEV_USER_REJECTED BIT(7)
90#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
91#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
92#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
93#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
94#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
95#define P2P_DEV_FORCE_FREQ BIT(13)
96#define P2P_DEV_PD_FOR_JOIN BIT(14)
97#define P2P_DEV_REPORTED_ONCE BIT(15)
98#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)
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};
112
113struct p2p_sd_query {
114	struct p2p_sd_query *next;
115	u8 peer[ETH_ALEN];
116	int for_all_peers;
117	struct wpabuf *tlvs;
118};
119
120struct p2p_pending_action_tx {
121	unsigned int freq;
122	u8 dst[ETH_ALEN];
123	u8 src[ETH_ALEN];
124	u8 bssid[ETH_ALEN];
125	size_t len;
126	unsigned int wait_time;
127	/* Followed by len octets of the frame */
128};
129
130/**
131 * struct p2p_data - P2P module data (internal to P2P module)
132 */
133struct p2p_data {
134	/**
135	 * cfg - P2P module configuration
136	 *
137	 * This is included in the same memory allocation with the
138	 * struct p2p_data and as such, must not be freed separately.
139	 */
140	struct p2p_config *cfg;
141
142	/**
143	 * state - The current P2P state
144	 */
145	enum p2p_state {
146		/**
147		 * P2P_IDLE - Idle
148		 */
149		P2P_IDLE,
150
151		/**
152		 * P2P_SEARCH - Search (Device Discovery)
153		 */
154		P2P_SEARCH,
155
156		/**
157		 * P2P_CONNECT - Trying to start GO Negotiation
158		 */
159		P2P_CONNECT,
160
161		/**
162		 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
163		 */
164		P2P_CONNECT_LISTEN,
165
166		/**
167		 * P2P_GO_NEG - In GO Negotiation
168		 */
169		P2P_GO_NEG,
170
171		/**
172		 * P2P_LISTEN_ONLY - Listen only
173		 */
174		P2P_LISTEN_ONLY,
175
176		/**
177		 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
178		 */
179		P2P_WAIT_PEER_CONNECT,
180
181		/**
182		 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
183		 */
184		P2P_WAIT_PEER_IDLE,
185
186		/**
187		 * P2P_SD_DURING_FIND - Service Discovery during find
188		 */
189		P2P_SD_DURING_FIND,
190
191		/**
192		 * P2P_PROVISIONING - Provisioning (during group formation)
193		 */
194		P2P_PROVISIONING,
195
196		/**
197		 * P2P_PD_DURING_FIND - Provision Discovery during find
198		 */
199		P2P_PD_DURING_FIND,
200
201		/**
202		 * P2P_INVITE - Trying to start Invite
203		 */
204		P2P_INVITE,
205
206		/**
207		 * P2P_INVITE_LISTEN - Listen during Invite
208		 */
209		P2P_INVITE_LISTEN,
210
211		/**
212		 * P2P_SEARCH_WHEN_READY - Waiting to start Search
213		 */
214		P2P_SEARCH_WHEN_READY,
215	} state;
216
217	/**
218	 * min_disc_int - minDiscoverableInterval
219	 */
220	int min_disc_int;
221
222	/**
223	 * max_disc_int - maxDiscoverableInterval
224	 */
225	int max_disc_int;
226
227	/**
228	 * devices - List of known P2P Device peers
229	 */
230	struct dl_list devices;
231
232	/**
233	 * go_neg_peer - Pointer to GO Negotiation peer
234	 */
235	struct p2p_device *go_neg_peer;
236
237	/**
238	 * invite_peer - Pointer to Invite peer
239	 */
240	struct p2p_device *invite_peer;
241
242	const u8 *invite_go_dev_addr;
243	u8 invite_go_dev_addr_buf[ETH_ALEN];
244
245	/**
246	 * sd_peer - Pointer to Service Discovery peer
247	 */
248	struct p2p_device *sd_peer;
249
250	/**
251	 * sd_query - Pointer to Service Discovery query
252	 */
253	struct p2p_sd_query *sd_query;
254
255	/* GO Negotiation data */
256
257	/**
258	 * intended_addr - Local Intended P2P Interface Address
259	 *
260	 * This address is used during group owner negotiation as the Intended
261	 * P2P Interface Address and the group interface will be created with
262	 * address as the local address in case of successfully completed
263	 * negotiation.
264	 */
265	u8 intended_addr[ETH_ALEN];
266
267	/**
268	 * go_intent - Local GO Intent to be used during GO Negotiation
269	 */
270	u8 go_intent;
271
272	/**
273	 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
274	 */
275	u8 next_tie_breaker;
276
277	/**
278	 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
279	 */
280	u8 ssid[32];
281
282	/**
283	 * ssid_len - ssid length in octets
284	 */
285	size_t ssid_len;
286
287	/**
288	 * ssid_set - Whether SSID is already set for GO Negotiation
289	 */
290	int ssid_set;
291
292	/**
293	 * Regulatory class for own operational channel
294	 */
295	u8 op_reg_class;
296
297	/**
298	 * op_channel - Own operational channel
299	 */
300	u8 op_channel;
301
302	/**
303	 * channels - Own supported regulatory classes and channels
304	 *
305	 * List of supposerted channels per regulatory class. The regulatory
306	 * classes are defined in IEEE Std 802.11-2007 Annex J and the
307	 * numbering of the clases depends on the configured country code.
308	 */
309	struct p2p_channels channels;
310
311	enum p2p_pending_action_state {
312		P2P_NO_PENDING_ACTION,
313		P2P_PENDING_GO_NEG_REQUEST,
314		P2P_PENDING_GO_NEG_RESPONSE,
315		P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
316		P2P_PENDING_GO_NEG_CONFIRM,
317		P2P_PENDING_SD,
318		P2P_PENDING_PD,
319		P2P_PENDING_INVITATION_REQUEST,
320		P2P_PENDING_INVITATION_RESPONSE,
321		P2P_PENDING_DEV_DISC_REQUEST,
322		P2P_PENDING_DEV_DISC_RESPONSE,
323		P2P_PENDING_GO_DISC_REQ
324	} pending_action_state;
325
326	unsigned int pending_listen_freq;
327	unsigned int pending_listen_sec;
328	unsigned int pending_listen_usec;
329
330	u8 dev_capab;
331
332	int in_listen;
333	int drv_in_listen;
334
335	/**
336	 * sd_queries - Pending service discovery queries
337	 */
338	struct p2p_sd_query *sd_queries;
339
340	/**
341	 * srv_update_indic - Service Update Indicator for local services
342	 */
343	u16 srv_update_indic;
344
345	struct wpabuf *sd_resp; /* Fragmented SD response */
346	u8 sd_resp_addr[ETH_ALEN];
347	u8 sd_resp_dialog_token;
348	size_t sd_resp_pos; /* Offset in sd_resp */
349	u8 sd_frag_id;
350
351	struct wpabuf *sd_rx_resp; /* Reassembled SD response */
352	u16 sd_rx_update_indic;
353
354	/* P2P Invitation data */
355	enum p2p_invite_role inv_role;
356	u8 inv_bssid[ETH_ALEN];
357	int inv_bssid_set;
358	u8 inv_ssid[32];
359	size_t inv_ssid_len;
360	u8 inv_sa[ETH_ALEN];
361	u8 inv_group_bssid[ETH_ALEN];
362	u8 *inv_group_bssid_ptr;
363	u8 inv_go_dev_addr[ETH_ALEN];
364	u8 inv_status;
365	int inv_op_freq;
366	int inv_persistent;
367
368	enum p2p_discovery_type find_type;
369	unsigned int last_p2p_find_timeout;
370	u8 last_prog_scan_class;
371	u8 last_prog_scan_chan;
372	int p2p_scan_running;
373	enum p2p_after_scan {
374		P2P_AFTER_SCAN_NOTHING,
375		P2P_AFTER_SCAN_LISTEN,
376		P2P_AFTER_SCAN_CONNECT
377	} start_after_scan;
378	u8 after_scan_peer[ETH_ALEN];
379	struct p2p_pending_action_tx *after_scan_tx;
380
381	/* Requested device types for find/search */
382	unsigned int num_req_dev_types;
383	u8 *req_dev_types;
384
385	struct p2p_group **groups;
386	size_t num_groups;
387
388	struct p2p_device *pending_client_disc_go;
389	u8 pending_client_disc_addr[ETH_ALEN];
390	u8 pending_dev_disc_dialog_token;
391	u8 pending_dev_disc_addr[ETH_ALEN];
392	int pending_dev_disc_freq;
393	unsigned int pending_client_disc_freq;
394
395	int ext_listen_only;
396	unsigned int ext_listen_period;
397	unsigned int ext_listen_interval;
398	unsigned int ext_listen_interval_sec;
399	unsigned int ext_listen_interval_usec;
400
401	u8 peer_filter[ETH_ALEN];
402
403	int cross_connect;
404
405	int best_freq_24;
406	int best_freq_5;
407	int best_freq_overall;
408
409	/**
410	 * wps_vendor_ext - WPS Vendor Extensions to add
411	 */
412	struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
413
414	/*
415	 * user_initiated_pd - Whether a PD request is user initiated or not.
416	 */
417	u8 user_initiated_pd;
418
419	/*
420	 * Keep track of which peer a given PD request was sent to.
421	 * Used to raise a timeout alert in case there is no response.
422	 */
423	u8 pending_pd_devaddr[ETH_ALEN];
424
425	/*
426	 * Retry counter for provision discovery requests when issued
427	 * in IDLE state.
428	 */
429	int pd_retries;
430};
431
432/**
433 * struct p2p_message - Parsed P2P message (or P2P IE)
434 */
435struct p2p_message {
436	struct wpabuf *p2p_attributes;
437	struct wpabuf *wps_attributes;
438
439	u8 dialog_token;
440
441	const u8 *capability;
442	const u8 *go_intent;
443	const u8 *status;
444	const u8 *listen_channel;
445	const u8 *operating_channel;
446	const u8 *channel_list;
447	u8 channel_list_len;
448	const u8 *config_timeout;
449	const u8 *intended_addr;
450	const u8 *group_bssid;
451	const u8 *invitation_flags;
452
453	const u8 *group_info;
454	size_t group_info_len;
455
456	const u8 *group_id;
457	size_t group_id_len;
458
459	const u8 *device_id;
460
461	const u8 *manageability;
462
463	const u8 *noa;
464	size_t noa_len;
465
466	const u8 *ext_listen_timing;
467
468	const u8 *minor_reason_code;
469
470	/* P2P Device Info */
471	const u8 *p2p_device_info;
472	size_t p2p_device_info_len;
473	const u8 *p2p_device_addr;
474	const u8 *pri_dev_type;
475	u8 num_sec_dev_types;
476	char device_name[33];
477	u16 config_methods;
478
479	/* WPS IE */
480	u16 dev_password_id;
481	u16 wps_config_methods;
482	const u8 *wps_pri_dev_type;
483	const u8 *wps_sec_dev_type_list;
484	size_t wps_sec_dev_type_list_len;
485	const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
486	size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
487	const u8 *manufacturer;
488	size_t manufacturer_len;
489	const u8 *model_name;
490	size_t model_name_len;
491	const u8 *model_number;
492	size_t model_number_len;
493	const u8 *serial_number;
494	size_t serial_number_len;
495
496	/* DS Parameter Set IE */
497	const u8 *ds_params;
498
499	/* SSID IE */
500	const u8 *ssid;
501};
502
503
504#define P2P_MAX_GROUP_ENTRIES 50
505
506struct p2p_group_info {
507	unsigned int num_clients;
508	struct p2p_client_info {
509		const u8 *p2p_device_addr;
510		const u8 *p2p_interface_addr;
511		u8 dev_capab;
512		u16 config_methods;
513		const u8 *pri_dev_type;
514		u8 num_sec_dev_types;
515		const u8 *sec_dev_types;
516		const char *dev_name;
517		size_t dev_name_len;
518	} client[P2P_MAX_GROUP_ENTRIES];
519};
520
521
522/* p2p_utils.c */
523int p2p_random(char *buf, size_t len);
524int p2p_channel_to_freq(const char *country, int reg_class, int channel);
525int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class,
526			u8 *channel);
527void p2p_channels_intersect(const struct p2p_channels *a,
528			    const struct p2p_channels *b,
529			    struct p2p_channels *res);
530int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
531			  u8 channel);
532
533/* p2p_parse.c */
534int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
535int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
536int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
537void p2p_parse_free(struct p2p_message *msg);
538int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
539int p2p_group_info_parse(const u8 *gi, size_t gi_len,
540			 struct p2p_group_info *info);
541
542/* p2p_build.c */
543
544struct p2p_noa_desc {
545	u8 count_type;
546	u32 duration;
547	u32 interval;
548	u32 start_time;
549};
550
551/* p2p_group.c */
552const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
553u8 p2p_group_presence_req(struct p2p_group *group,
554			  const u8 *client_interface_addr,
555			  const u8 *noa, size_t noa_len);
556
557
558void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
559void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
560				   u8 dialog_token);
561u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
562void p2p_buf_add_status(struct wpabuf *buf, u8 status);
563void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
564			     struct p2p_device *peer);
565void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
566void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
567void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
568void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
569void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
570				u8 reg_class, u8 channel);
571void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
572				   u8 reg_class, u8 channel);
573void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
574			      struct p2p_channels *chan);
575void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
576				u8 client_timeout);
577void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
578void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
579void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
580			  const u8 *ssid, size_t ssid_len);
581void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
582void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
583		     struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
584void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
585				   u16 interval);
586void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
587void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, u16 pw_id,
588		      int all_attr);
589
590/* p2p_sd.c */
591struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
592					 struct p2p_device *dev);
593void p2p_free_sd_queries(struct p2p_data *p2p);
594void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
595			    const u8 *data, size_t len, int rx_freq);
596void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
597			     const u8 *data, size_t len, int rx_freq);
598void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
599			     const u8 *data, size_t len, int rx_freq);
600void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
601			      const u8 *data, size_t len, int rx_freq);
602int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
603
604/* p2p_go_neg.c */
605int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
606			    struct p2p_device *dev,
607			    const u8 *channel_list, size_t channel_list_len);
608void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
609			    const u8 *data, size_t len, int rx_freq);
610void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
611			     const u8 *data, size_t len, int rx_freq);
612void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
613			     const u8 *data, size_t len);
614int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
615
616/* p2p_pd.c */
617void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
618			       const u8 *data, size_t len, int rx_freq);
619void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
620				const u8 *data, size_t len);
621int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
622			   int join, int force_freq);
623void p2p_reset_pending_pd(struct p2p_data *p2p);
624
625/* p2p_invitation.c */
626void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
627				const u8 *data, size_t len, int rx_freq);
628void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
629				 const u8 *data, size_t len);
630int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
631		    const u8 *go_dev_addr);
632void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
633void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
634
635/* p2p_dev_disc.c */
636void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
637			      const u8 *data, size_t len, int rx_freq);
638void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
639int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
640void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
641void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
642			       const u8 *data, size_t len);
643void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
644void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
645			     const u8 *data, size_t len, int rx_freq);
646
647/* p2p.c */
648void p2p_set_state(struct p2p_data *p2p, int new_state);
649void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
650		     unsigned int usec);
651void p2p_clear_timeout(struct p2p_data *p2p);
652void p2p_continue_find(struct p2p_data *p2p);
653struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
654						const u8 *addr,
655						struct p2p_message *msg);
656void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
657		      struct p2p_device *dev, struct p2p_message *msg);
658struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
659struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
660					     const u8 *addr);
661void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
662		       int status);
663void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
664int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
665int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
666			size_t num_req_dev_type);
667struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
668void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
669int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
670		    const u8 *src, const u8 *bssid, const u8 *buf,
671		    size_t len, unsigned int wait_time);
672
673#endif /* P2P_I_H */
674