hostapd vendor branch: Update version from 0.6.10 => 2.1
[dragonfly.git] / contrib / hostapd / src / p2p / p2p_i.h
CommitLineData
4781064b
JM
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_SD_INFO BIT(3)
85#define P2P_DEV_SD_SCHEDULE BIT(4)
86#define P2P_DEV_PD_PEER_DISPLAY BIT(5)
87#define P2P_DEV_PD_PEER_KEYPAD BIT(6)
88#define P2P_DEV_USER_REJECTED BIT(7)
89#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
90#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
91#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
92#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
93#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
94#define P2P_DEV_FORCE_FREQ BIT(13)
95#define P2P_DEV_PD_FOR_JOIN BIT(14)
96#define P2P_DEV_REPORTED_ONCE BIT(15)
97#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)
98#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17)
99#define P2P_DEV_NO_PREF_CHAN BIT(18)
100 unsigned int flags;
101
102 int status; /* enum p2p_status_code */
103 unsigned int wait_count;
104 unsigned int connect_reqs;
105 unsigned int invitation_reqs;
106
107 u16 ext_listen_period;
108 u16 ext_listen_interval;
109
110 u8 go_timeout;
111 u8 client_timeout;
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 /* GO Negotiation data */
259
260 /**
261 * intended_addr - Local Intended P2P Interface Address
262 *
263 * This address is used during group owner negotiation as the Intended
264 * P2P Interface Address and the group interface will be created with
265 * address as the local address in case of successfully completed
266 * negotiation.
267 */
268 u8 intended_addr[ETH_ALEN];
269
270 /**
271 * go_intent - Local GO Intent to be used during GO Negotiation
272 */
273 u8 go_intent;
274
275 /**
276 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
277 */
278 u8 next_tie_breaker;
279
280 /**
281 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
282 */
283 u8 ssid[32];
284
285 /**
286 * ssid_len - ssid length in octets
287 */
288 size_t ssid_len;
289
290 /**
291 * ssid_set - Whether SSID is already set for GO Negotiation
292 */
293 int ssid_set;
294
295 /**
296 * Regulatory class for own operational channel
297 */
298 u8 op_reg_class;
299
300 /**
301 * op_channel - Own operational channel
302 */
303 u8 op_channel;
304
305 /**
306 * channels - Own supported regulatory classes and channels
307 *
308 * List of supposerted channels per regulatory class. The regulatory
309 * classes are defined in IEEE Std 802.11-2007 Annex J and the
310 * numbering of the clases depends on the configured country code.
311 */
312 struct p2p_channels channels;
313
314 struct wpa_freq_range_list no_go_freq;
315
316 enum p2p_pending_action_state {
317 P2P_NO_PENDING_ACTION,
318 P2P_PENDING_GO_NEG_REQUEST,
319 P2P_PENDING_GO_NEG_RESPONSE,
320 P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
321 P2P_PENDING_GO_NEG_CONFIRM,
322 P2P_PENDING_SD,
323 P2P_PENDING_PD,
324 P2P_PENDING_INVITATION_REQUEST,
325 P2P_PENDING_INVITATION_RESPONSE,
326 P2P_PENDING_DEV_DISC_REQUEST,
327 P2P_PENDING_DEV_DISC_RESPONSE,
328 P2P_PENDING_GO_DISC_REQ
329 } pending_action_state;
330
331 unsigned int pending_listen_freq;
332 unsigned int pending_listen_sec;
333 unsigned int pending_listen_usec;
334
335 u8 dev_capab;
336
337 int in_listen;
338 int drv_in_listen;
339
340 /**
341 * sd_queries - Pending service discovery queries
342 */
343 struct p2p_sd_query *sd_queries;
344
345 /**
346 * srv_update_indic - Service Update Indicator for local services
347 */
348 u16 srv_update_indic;
349
350 struct wpabuf *sd_resp; /* Fragmented SD response */
351 u8 sd_resp_addr[ETH_ALEN];
352 u8 sd_resp_dialog_token;
353 size_t sd_resp_pos; /* Offset in sd_resp */
354 u8 sd_frag_id;
355
356 struct wpabuf *sd_rx_resp; /* Reassembled SD response */
357 u16 sd_rx_update_indic;
358
359 /* P2P Invitation data */
360 enum p2p_invite_role inv_role;
361 u8 inv_bssid[ETH_ALEN];
362 int inv_bssid_set;
363 u8 inv_ssid[32];
364 size_t inv_ssid_len;
365 u8 inv_sa[ETH_ALEN];
366 u8 inv_group_bssid[ETH_ALEN];
367 u8 *inv_group_bssid_ptr;
368 u8 inv_go_dev_addr[ETH_ALEN];
369 u8 inv_status;
370 int inv_op_freq;
371 int inv_persistent;
372
373 enum p2p_discovery_type find_type;
374 unsigned int last_p2p_find_timeout;
375 u8 last_prog_scan_class;
376 u8 last_prog_scan_chan;
377 int p2p_scan_running;
378 enum p2p_after_scan {
379 P2P_AFTER_SCAN_NOTHING,
380 P2P_AFTER_SCAN_LISTEN,
381 P2P_AFTER_SCAN_CONNECT
382 } start_after_scan;
383 u8 after_scan_peer[ETH_ALEN];
384 struct p2p_pending_action_tx *after_scan_tx;
385 unsigned int after_scan_tx_in_progress:1;
386
387 /* Requested device types for find/search */
388 unsigned int num_req_dev_types;
389 u8 *req_dev_types;
390 u8 *find_dev_id;
391 u8 find_dev_id_buf[ETH_ALEN];
392
393 struct os_reltime find_start; /* time of last p2p_find start */
394
395 struct p2p_group **groups;
396 size_t num_groups;
397
398 struct p2p_device *pending_client_disc_go;
399 u8 pending_client_disc_addr[ETH_ALEN];
400 u8 pending_dev_disc_dialog_token;
401 u8 pending_dev_disc_addr[ETH_ALEN];
402 int pending_dev_disc_freq;
403 unsigned int pending_client_disc_freq;
404
405 int ext_listen_only;
406 unsigned int ext_listen_period;
407 unsigned int ext_listen_interval;
408 unsigned int ext_listen_interval_sec;
409 unsigned int ext_listen_interval_usec;
410
411 u8 peer_filter[ETH_ALEN];
412
413 int cross_connect;
414
415 int best_freq_24;
416 int best_freq_5;
417 int best_freq_overall;
418 int own_freq_preference;
419
420 /**
421 * wps_vendor_ext - WPS Vendor Extensions to add
422 */
423 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
424
425 /*
426 * user_initiated_pd - Whether a PD request is user initiated or not.
427 */
428 u8 user_initiated_pd;
429
430 /*
431 * Keep track of which peer a given PD request was sent to.
432 * Used to raise a timeout alert in case there is no response.
433 */
434 u8 pending_pd_devaddr[ETH_ALEN];
435
436 /*
437 * Retry counter for provision discovery requests when issued
438 * in IDLE state.
439 */
440 int pd_retries;
441
442 /**
443 * pd_force_freq - Forced frequency for PD retries or 0 to auto-select
444 *
445 * This is is used during PD retries for join-a-group case to use the
446 * correct operating frequency determined from a BSS entry for the GO.
447 */
448 int pd_force_freq;
449
450 u8 go_timeout;
451 u8 client_timeout;
452
453 /* Extra delay in milliseconds between search iterations */
454 unsigned int search_delay;
455 int in_search_delay;
456
457#ifdef CONFIG_WIFI_DISPLAY
458 struct wpabuf *wfd_ie_beacon;
459 struct wpabuf *wfd_ie_probe_req;
460 struct wpabuf *wfd_ie_probe_resp;
461 struct wpabuf *wfd_ie_assoc_req;
462 struct wpabuf *wfd_ie_invitation;
463 struct wpabuf *wfd_ie_prov_disc_req;
464 struct wpabuf *wfd_ie_prov_disc_resp;
465 struct wpabuf *wfd_ie_go_neg;
466 struct wpabuf *wfd_dev_info;
467 struct wpabuf *wfd_assoc_bssid;
468 struct wpabuf *wfd_coupled_sink_info;
469#endif /* CONFIG_WIFI_DISPLAY */
470
471 u16 authorized_oob_dev_pw_id;
472};
473
474/**
475 * struct p2p_message - Parsed P2P message (or P2P IE)
476 */
477struct p2p_message {
478 struct wpabuf *p2p_attributes;
479 struct wpabuf *wps_attributes;
480 struct wpabuf *wfd_subelems;
481
482 u8 dialog_token;
483
484 const u8 *capability;
485 const u8 *go_intent;
486 const u8 *status;
487 const u8 *listen_channel;
488 const u8 *operating_channel;
489 const u8 *channel_list;
490 u8 channel_list_len;
491 const u8 *config_timeout;
492 const u8 *intended_addr;
493 const u8 *group_bssid;
494 const u8 *invitation_flags;
495
496 const u8 *group_info;
497 size_t group_info_len;
498
499 const u8 *group_id;
500 size_t group_id_len;
501
502 const u8 *device_id;
503
504 const u8 *manageability;
505
506 const u8 *noa;
507 size_t noa_len;
508
509 const u8 *ext_listen_timing;
510
511 const u8 *minor_reason_code;
512
513 const u8 *oob_go_neg_channel;
514
515 /* P2P Device Info */
516 const u8 *p2p_device_info;
517 size_t p2p_device_info_len;
518 const u8 *p2p_device_addr;
519 const u8 *pri_dev_type;
520 u8 num_sec_dev_types;
521 char device_name[33];
522 u16 config_methods;
523
524 /* WPS IE */
525 u16 dev_password_id;
526 int dev_password_id_present;
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 const u8 *oob_dev_password;
542 size_t oob_dev_password_len;
543
544 /* DS Parameter Set IE */
545 const u8 *ds_params;
546
547 /* SSID IE */
548 const u8 *ssid;
549};
550
551
552#define P2P_MAX_GROUP_ENTRIES 50
553
554struct p2p_group_info {
555 unsigned int num_clients;
556 struct p2p_client_info {
557 const u8 *p2p_device_addr;
558 const u8 *p2p_interface_addr;
559 u8 dev_capab;
560 u16 config_methods;
561 const u8 *pri_dev_type;
562 u8 num_sec_dev_types;
563 const u8 *sec_dev_types;
564 const char *dev_name;
565 size_t dev_name_len;
566 } client[P2P_MAX_GROUP_ENTRIES];
567};
568
569
570/* p2p_utils.c */
571int p2p_random(char *buf, size_t len);
572int p2p_channel_to_freq(int op_class, int channel);
573int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
574void p2p_channels_intersect(const struct p2p_channels *a,
575 const struct p2p_channels *b,
576 struct p2p_channels *res);
577void p2p_channels_union(const struct p2p_channels *a,
578 const struct p2p_channels *b,
579 struct p2p_channels *res);
580void p2p_channels_remove_freqs(struct p2p_channels *chan,
581 const struct wpa_freq_range_list *list);
582int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
583 u8 channel);
584void p2p_channels_dump(struct p2p_data *p2p, const char *title,
585 const struct p2p_channels *chan);
586int p2p_channel_select(struct p2p_channels *chans, const int *classes,
587 u8 *op_class, u8 *op_channel);
588
589/* p2p_parse.c */
590int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
591int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
592int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
593int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,
594 size_t p2p_len, struct p2p_message *msg);
595void p2p_parse_free(struct p2p_message *msg);
596int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
597int p2p_group_info_parse(const u8 *gi, size_t gi_len,
598 struct p2p_group_info *info);
599
600/* p2p_build.c */
601
602struct p2p_noa_desc {
603 u8 count_type;
604 u32 duration;
605 u32 interval;
606 u32 start_time;
607};
608
609/* p2p_group.c */
610const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
611u8 p2p_group_presence_req(struct p2p_group *group,
612 const u8 *client_interface_addr,
613 const u8 *noa, size_t noa_len);
614int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
615 size_t group_id_len);
616void p2p_group_update_ies(struct p2p_group *group);
617void p2p_group_force_beacon_update_ies(struct p2p_group *group);
618struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
619void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf,
620 int max_clients);
621void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf);
622int p2p_group_get_freq(struct p2p_group *group);
623
624
625void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
626void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
627 u8 dialog_token);
628u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
629void p2p_buf_add_status(struct wpabuf *buf, u8 status);
630void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
631 struct p2p_device *peer);
632void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
633void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
634void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
635void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
636void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
637 u8 reg_class, u8 channel);
638void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
639 u8 reg_class, u8 channel);
640void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
641 struct p2p_channels *chan);
642void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
643 u8 client_timeout);
644void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
645void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
646void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
647 const u8 *ssid, size_t ssid_len);
648void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
649void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
650 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
651void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
652 u16 interval);
653void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
654void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country,
655 u8 oper_class, u8 channel,
656 enum p2p_role_indication role);
657int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
658 int all_attr);
659
660/* p2p_sd.c */
661struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
662 struct p2p_device *dev);
663void p2p_free_sd_queries(struct p2p_data *p2p);
664void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
665 const u8 *data, size_t len, int rx_freq);
666void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
667 const u8 *data, size_t len, int rx_freq);
668void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
669 const u8 *data, size_t len, int rx_freq);
670void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
671 const u8 *data, size_t len, int rx_freq);
672int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
673
674/* p2p_go_neg.c */
675int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
676 struct p2p_device *dev,
677 const u8 *channel_list, size_t channel_list_len);
678void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
679 const u8 *data, size_t len, int rx_freq);
680void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
681 const u8 *data, size_t len, int rx_freq);
682void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
683 const u8 *data, size_t len);
684int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
685u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
686void p2p_reselect_channel(struct p2p_data *p2p,
687 struct p2p_channels *intersection);
688
689/* p2p_pd.c */
690void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
691 const u8 *data, size_t len, int rx_freq);
692void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
693 const u8 *data, size_t len);
694int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
695 int join, int force_freq);
696void p2p_reset_pending_pd(struct p2p_data *p2p);
697
698/* p2p_invitation.c */
699void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
700 const u8 *data, size_t len, int rx_freq);
701void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
702 const u8 *data, size_t len);
703int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
704 const u8 *go_dev_addr, int dev_pw_id);
705void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
706void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
707
708/* p2p_dev_disc.c */
709void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
710 const u8 *data, size_t len, int rx_freq);
711void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
712int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
713void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
714void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
715 const u8 *data, size_t len);
716void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
717void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
718 const u8 *data, size_t len, int rx_freq);
719
720/* p2p.c */
721void p2p_set_state(struct p2p_data *p2p, int new_state);
722void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
723 unsigned int usec);
724void p2p_clear_timeout(struct p2p_data *p2p);
725void p2p_continue_find(struct p2p_data *p2p);
726struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
727 const u8 *addr,
728 struct p2p_message *msg);
729void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
730 struct p2p_device *dev, struct p2p_message *msg);
731int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
732 struct os_reltime *rx_time, int level, const u8 *ies,
733 size_t ies_len, int scan_res);
734struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
735struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
736 const u8 *addr);
737void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
738 int status);
739void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
740int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
741int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
742 size_t num_req_dev_type);
743struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
744void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
745int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
746 const u8 *src, const u8 *bssid, const u8 *buf,
747 size_t len, unsigned int wait_time);
748void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
749int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
750 unsigned int force_freq, unsigned int pref_freq,
751 int go);
752void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
753PRINTF_FORMAT(2, 3);
754void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
755PRINTF_FORMAT(2, 3);
756void p2p_err(struct p2p_data *p2p, const char *fmt, ...)
757PRINTF_FORMAT(2, 3);
758
759#endif /* P2P_I_H */