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Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * P2P - Internal definitions for P2P module
3 * Copyright (c) 2009-2010, Atheros Communications
4 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08005 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007 */
8
9#ifndef P2P_I_H
10#define P2P_I_H
11
12#include "utils/list.h"
13#include "p2p.h"
14
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070015enum 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;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070028 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 intended_addr[ETH_ALEN];
56
57 char country[3];
58 struct p2p_channels channels;
59 int oper_freq;
60 u8 oper_ssid[32];
61 size_t oper_ssid_len;
62
63 /**
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080064 * req_config_methods - Pending provision discovery methods
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070065 */
66 u16 req_config_methods;
67
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080068 /**
69 * wps_prov_info - Stored provisioning WPS config method
70 *
71 * This is used to store pending WPS config method between Provisioning
72 * Discovery and connection to a running group.
73 */
74 u16 wps_prov_info;
75
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070076#define P2P_DEV_PROBE_REQ_ONLY BIT(0)
77#define P2P_DEV_REPORTED BIT(1)
78#define P2P_DEV_NOT_YET_READY BIT(2)
79#define P2P_DEV_SD_INFO BIT(3)
80#define P2P_DEV_SD_SCHEDULE BIT(4)
81#define P2P_DEV_PD_PEER_DISPLAY BIT(5)
82#define P2P_DEV_PD_PEER_KEYPAD BIT(6)
83#define P2P_DEV_USER_REJECTED BIT(7)
84#define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)
85#define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)
86#define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)
87#define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)
88#define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)
89#define P2P_DEV_FORCE_FREQ BIT(13)
90#define P2P_DEV_PD_FOR_JOIN BIT(14)
91#define P2P_DEV_REPORTED_ONCE BIT(15)
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080092#define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)
Dmitry Shmidt04949592012-07-19 12:16:46 -070093#define P2P_DEV_PD_BEFORE_GO_NEG BIT(17)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070094 unsigned int flags;
95
96 int status; /* enum p2p_status_code */
97 unsigned int wait_count;
98 unsigned int connect_reqs;
99 unsigned int invitation_reqs;
100
101 u16 ext_listen_period;
102 u16 ext_listen_interval;
103
104 u8 go_timeout;
105 u8 client_timeout;
106};
107
108struct p2p_sd_query {
109 struct p2p_sd_query *next;
110 u8 peer[ETH_ALEN];
111 int for_all_peers;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700112 int wsd; /* Wi-Fi Display Service Discovery Request */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700113 struct wpabuf *tlvs;
114};
115
116struct p2p_pending_action_tx {
117 unsigned int freq;
118 u8 dst[ETH_ALEN];
119 u8 src[ETH_ALEN];
120 u8 bssid[ETH_ALEN];
121 size_t len;
122 unsigned int wait_time;
123 /* Followed by len octets of the frame */
124};
125
126/**
127 * struct p2p_data - P2P module data (internal to P2P module)
128 */
129struct p2p_data {
130 /**
131 * cfg - P2P module configuration
132 *
133 * This is included in the same memory allocation with the
134 * struct p2p_data and as such, must not be freed separately.
135 */
136 struct p2p_config *cfg;
137
138 /**
139 * state - The current P2P state
140 */
141 enum p2p_state {
142 /**
143 * P2P_IDLE - Idle
144 */
145 P2P_IDLE,
146
147 /**
148 * P2P_SEARCH - Search (Device Discovery)
149 */
150 P2P_SEARCH,
151
152 /**
153 * P2P_CONNECT - Trying to start GO Negotiation
154 */
155 P2P_CONNECT,
156
157 /**
158 * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
159 */
160 P2P_CONNECT_LISTEN,
161
162 /**
163 * P2P_GO_NEG - In GO Negotiation
164 */
165 P2P_GO_NEG,
166
167 /**
168 * P2P_LISTEN_ONLY - Listen only
169 */
170 P2P_LISTEN_ONLY,
171
172 /**
173 * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
174 */
175 P2P_WAIT_PEER_CONNECT,
176
177 /**
178 * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
179 */
180 P2P_WAIT_PEER_IDLE,
181
182 /**
183 * P2P_SD_DURING_FIND - Service Discovery during find
184 */
185 P2P_SD_DURING_FIND,
186
187 /**
188 * P2P_PROVISIONING - Provisioning (during group formation)
189 */
190 P2P_PROVISIONING,
191
192 /**
193 * P2P_PD_DURING_FIND - Provision Discovery during find
194 */
195 P2P_PD_DURING_FIND,
196
197 /**
198 * P2P_INVITE - Trying to start Invite
199 */
200 P2P_INVITE,
201
202 /**
203 * P2P_INVITE_LISTEN - Listen during Invite
204 */
205 P2P_INVITE_LISTEN,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800206
207 /**
208 * P2P_SEARCH_WHEN_READY - Waiting to start Search
209 */
210 P2P_SEARCH_WHEN_READY,
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700211
212 /**
213 * P2P_CONTINUE_SEARCH_WHEN_READY - Waiting to continue Search
214 */
215 P2P_CONTINUE_SEARCH_WHEN_READY,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700216 } state;
217
218 /**
219 * min_disc_int - minDiscoverableInterval
220 */
221 int min_disc_int;
222
223 /**
224 * max_disc_int - maxDiscoverableInterval
225 */
226 int max_disc_int;
227
228 /**
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800229 * max_disc_tu - Maximum number of TUs for discoverable interval
230 */
231 int max_disc_tu;
232
233 /**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700234 * devices - List of known P2P Device peers
235 */
236 struct dl_list devices;
237
Irfan Sherifff44b9c42012-06-13 11:09:23 -0700238#ifdef ANDROID_P2P
239 /**
240 * sd_dev_list - device pointer to be serviced next
241 * for service discovery
242 */
243 struct dl_list *sd_dev_list;
244#endif
245
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700246 /**
247 * go_neg_peer - Pointer to GO Negotiation peer
248 */
249 struct p2p_device *go_neg_peer;
250
251 /**
252 * invite_peer - Pointer to Invite peer
253 */
254 struct p2p_device *invite_peer;
255
256 const u8 *invite_go_dev_addr;
257 u8 invite_go_dev_addr_buf[ETH_ALEN];
258
259 /**
260 * sd_peer - Pointer to Service Discovery peer
261 */
262 struct p2p_device *sd_peer;
263
264 /**
265 * sd_query - Pointer to Service Discovery query
266 */
267 struct p2p_sd_query *sd_query;
268
269 /* GO Negotiation data */
270
271 /**
272 * intended_addr - Local Intended P2P Interface Address
273 *
274 * This address is used during group owner negotiation as the Intended
275 * P2P Interface Address and the group interface will be created with
276 * address as the local address in case of successfully completed
277 * negotiation.
278 */
279 u8 intended_addr[ETH_ALEN];
280
281 /**
282 * go_intent - Local GO Intent to be used during GO Negotiation
283 */
284 u8 go_intent;
285
286 /**
287 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
288 */
289 u8 next_tie_breaker;
290
291 /**
292 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
293 */
294 u8 ssid[32];
295
296 /**
297 * ssid_len - ssid length in octets
298 */
299 size_t ssid_len;
300
301 /**
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800302 * ssid_set - Whether SSID is already set for GO Negotiation
303 */
304 int ssid_set;
305
306 /**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700307 * Regulatory class for own operational channel
308 */
309 u8 op_reg_class;
310
311 /**
312 * op_channel - Own operational channel
313 */
314 u8 op_channel;
315
316 /**
317 * channels - Own supported regulatory classes and channels
318 *
319 * List of supposerted channels per regulatory class. The regulatory
320 * classes are defined in IEEE Std 802.11-2007 Annex J and the
321 * numbering of the clases depends on the configured country code.
322 */
323 struct p2p_channels channels;
324
325 enum p2p_pending_action_state {
326 P2P_NO_PENDING_ACTION,
327 P2P_PENDING_GO_NEG_REQUEST,
328 P2P_PENDING_GO_NEG_RESPONSE,
329 P2P_PENDING_GO_NEG_RESPONSE_FAILURE,
330 P2P_PENDING_GO_NEG_CONFIRM,
331 P2P_PENDING_SD,
332 P2P_PENDING_PD,
333 P2P_PENDING_INVITATION_REQUEST,
334 P2P_PENDING_INVITATION_RESPONSE,
335 P2P_PENDING_DEV_DISC_REQUEST,
336 P2P_PENDING_DEV_DISC_RESPONSE,
337 P2P_PENDING_GO_DISC_REQ
338 } pending_action_state;
339
340 unsigned int pending_listen_freq;
341 unsigned int pending_listen_sec;
342 unsigned int pending_listen_usec;
343
344 u8 dev_capab;
345
346 int in_listen;
347 int drv_in_listen;
348
349 /**
350 * sd_queries - Pending service discovery queries
351 */
352 struct p2p_sd_query *sd_queries;
353
354 /**
355 * srv_update_indic - Service Update Indicator for local services
356 */
357 u16 srv_update_indic;
Dmitry Shmidtb5e8f062012-08-08 10:56:33 -0700358#ifdef ANDROID_P2P
359 /**
360 * srv_count - Registered services count
361 */
362 u16 srv_count;
363#endif
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700364 struct wpabuf *sd_resp; /* Fragmented SD response */
365 u8 sd_resp_addr[ETH_ALEN];
366 u8 sd_resp_dialog_token;
367 size_t sd_resp_pos; /* Offset in sd_resp */
368 u8 sd_frag_id;
369
370 struct wpabuf *sd_rx_resp; /* Reassembled SD response */
371 u16 sd_rx_update_indic;
372
373 /* P2P Invitation data */
374 enum p2p_invite_role inv_role;
375 u8 inv_bssid[ETH_ALEN];
376 int inv_bssid_set;
377 u8 inv_ssid[32];
378 size_t inv_ssid_len;
379 u8 inv_sa[ETH_ALEN];
380 u8 inv_group_bssid[ETH_ALEN];
381 u8 *inv_group_bssid_ptr;
382 u8 inv_go_dev_addr[ETH_ALEN];
383 u8 inv_status;
384 int inv_op_freq;
385 int inv_persistent;
386
387 enum p2p_discovery_type find_type;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800388 unsigned int last_p2p_find_timeout;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700389 u8 last_prog_scan_class;
390 u8 last_prog_scan_chan;
391 int p2p_scan_running;
392 enum p2p_after_scan {
393 P2P_AFTER_SCAN_NOTHING,
394 P2P_AFTER_SCAN_LISTEN,
395 P2P_AFTER_SCAN_CONNECT
396 } start_after_scan;
397 u8 after_scan_peer[ETH_ALEN];
398 struct p2p_pending_action_tx *after_scan_tx;
399
400 /* Requested device types for find/search */
401 unsigned int num_req_dev_types;
402 u8 *req_dev_types;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800403 u8 *find_dev_id;
404 u8 find_dev_id_buf[ETH_ALEN];
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700405
Dmitry Shmidtf8623282013-02-20 14:34:59 -0800406 struct os_time find_start; /* time of last p2p_find start */
407
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700408 struct p2p_group **groups;
409 size_t num_groups;
410
411 struct p2p_device *pending_client_disc_go;
412 u8 pending_client_disc_addr[ETH_ALEN];
413 u8 pending_dev_disc_dialog_token;
414 u8 pending_dev_disc_addr[ETH_ALEN];
415 int pending_dev_disc_freq;
416 unsigned int pending_client_disc_freq;
417
418 int ext_listen_only;
419 unsigned int ext_listen_period;
420 unsigned int ext_listen_interval;
421 unsigned int ext_listen_interval_sec;
422 unsigned int ext_listen_interval_usec;
423
424 u8 peer_filter[ETH_ALEN];
425
426 int cross_connect;
427
428 int best_freq_24;
429 int best_freq_5;
430 int best_freq_overall;
431
432 /**
433 * wps_vendor_ext - WPS Vendor Extensions to add
434 */
435 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
Jouni Malinen75ecf522011-06-27 15:19:46 -0700436
437 /*
438 * user_initiated_pd - Whether a PD request is user initiated or not.
439 */
440 u8 user_initiated_pd;
441
442 /*
443 * Keep track of which peer a given PD request was sent to.
444 * Used to raise a timeout alert in case there is no response.
445 */
446 u8 pending_pd_devaddr[ETH_ALEN];
447
448 /*
449 * Retry counter for provision discovery requests when issued
450 * in IDLE state.
451 */
452 int pd_retries;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700453
454 u8 go_timeout;
455 u8 client_timeout;
456
457 /* Extra delay in milliseconds between search iterations */
458 unsigned int search_delay;
459 int in_search_delay;
460
461#ifdef CONFIG_WIFI_DISPLAY
462 struct wpabuf *wfd_ie_beacon;
463 struct wpabuf *wfd_ie_probe_req;
464 struct wpabuf *wfd_ie_probe_resp;
465 struct wpabuf *wfd_ie_assoc_req;
466 struct wpabuf *wfd_ie_invitation;
467 struct wpabuf *wfd_ie_prov_disc_req;
468 struct wpabuf *wfd_ie_prov_disc_resp;
469 struct wpabuf *wfd_ie_go_neg;
470 struct wpabuf *wfd_dev_info;
471 struct wpabuf *wfd_assoc_bssid;
472 struct wpabuf *wfd_coupled_sink_info;
473#endif /* CONFIG_WIFI_DISPLAY */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700474};
475
476/**
477 * struct p2p_message - Parsed P2P message (or P2P IE)
478 */
479struct p2p_message {
480 struct wpabuf *p2p_attributes;
481 struct wpabuf *wps_attributes;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700482 struct wpabuf *wfd_subelems;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700483
484 u8 dialog_token;
485
486 const u8 *capability;
487 const u8 *go_intent;
488 const u8 *status;
489 const u8 *listen_channel;
490 const u8 *operating_channel;
491 const u8 *channel_list;
492 u8 channel_list_len;
493 const u8 *config_timeout;
494 const u8 *intended_addr;
495 const u8 *group_bssid;
496 const u8 *invitation_flags;
497
498 const u8 *group_info;
499 size_t group_info_len;
500
501 const u8 *group_id;
502 size_t group_id_len;
503
504 const u8 *device_id;
505
506 const u8 *manageability;
507
508 const u8 *noa;
509 size_t noa_len;
510
511 const u8 *ext_listen_timing;
512
513 const u8 *minor_reason_code;
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 u16 wps_config_methods;
527 const u8 *wps_pri_dev_type;
528 const u8 *wps_sec_dev_type_list;
529 size_t wps_sec_dev_type_list_len;
530 const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
531 size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];
532 const u8 *manufacturer;
533 size_t manufacturer_len;
534 const u8 *model_name;
535 size_t model_name_len;
536 const u8 *model_number;
537 size_t model_number_len;
538 const u8 *serial_number;
539 size_t serial_number_len;
540
541 /* DS Parameter Set IE */
542 const u8 *ds_params;
543
544 /* SSID IE */
545 const u8 *ssid;
546};
547
548
549#define P2P_MAX_GROUP_ENTRIES 50
550
551struct p2p_group_info {
552 unsigned int num_clients;
553 struct p2p_client_info {
554 const u8 *p2p_device_addr;
555 const u8 *p2p_interface_addr;
556 u8 dev_capab;
557 u16 config_methods;
558 const u8 *pri_dev_type;
559 u8 num_sec_dev_types;
560 const u8 *sec_dev_types;
561 const char *dev_name;
562 size_t dev_name_len;
563 } client[P2P_MAX_GROUP_ENTRIES];
564};
565
566
567/* p2p_utils.c */
568int p2p_random(char *buf, size_t len);
569int p2p_channel_to_freq(const char *country, int reg_class, int channel);
570int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class,
571 u8 *channel);
572void p2p_channels_intersect(const struct p2p_channels *a,
573 const struct p2p_channels *b,
574 struct p2p_channels *res);
575int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
576 u8 channel);
577
578/* p2p_parse.c */
579int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
580int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
581int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
582void p2p_parse_free(struct p2p_message *msg);
583int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
584int p2p_group_info_parse(const u8 *gi, size_t gi_len,
585 struct p2p_group_info *info);
586
587/* p2p_build.c */
588
589struct p2p_noa_desc {
590 u8 count_type;
591 u32 duration;
592 u32 interval;
593 u32 start_time;
594};
595
596/* p2p_group.c */
597const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
598u8 p2p_group_presence_req(struct p2p_group *group,
599 const u8 *client_interface_addr,
600 const u8 *noa, size_t noa_len);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700601int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
602 size_t group_id_len);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700603void p2p_group_update_ies(struct p2p_group *group);
604struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700605
606
607void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
608void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
609 u8 dialog_token);
610u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
611void p2p_buf_add_status(struct wpabuf *buf, u8 status);
612void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
613 struct p2p_device *peer);
614void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
615void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
616void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
617void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
618void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
619 u8 reg_class, u8 channel);
620void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
621 u8 reg_class, u8 channel);
622void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
623 struct p2p_channels *chan);
624void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
625 u8 client_timeout);
626void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
627void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
628void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
629 const u8 *ssid, size_t ssid_len);
630void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
631void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
632 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
633void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
634 u16 interval);
635void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700636void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700637 int all_attr);
638
639/* p2p_sd.c */
640struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
641 struct p2p_device *dev);
642void p2p_free_sd_queries(struct p2p_data *p2p);
643void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
644 const u8 *data, size_t len, int rx_freq);
645void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
646 const u8 *data, size_t len, int rx_freq);
647void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
648 const u8 *data, size_t len, int rx_freq);
649void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
650 const u8 *data, size_t len, int rx_freq);
651int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
652
653/* p2p_go_neg.c */
654int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
655 struct p2p_device *dev,
656 const u8 *channel_list, size_t channel_list_len);
657void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
658 const u8 *data, size_t len, int rx_freq);
659void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
660 const u8 *data, size_t len, int rx_freq);
661void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
662 const u8 *data, size_t len);
663int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700664u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
Dmitry Shmidt91c40cd2012-09-25 14:23:53 -0700665void p2p_reselect_channel(struct p2p_data *p2p,
666 struct p2p_channels *intersection);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700667
668/* p2p_pd.c */
669void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
670 const u8 *data, size_t len, int rx_freq);
671void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
672 const u8 *data, size_t len);
673int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800674 int join, int force_freq);
Jouni Malinen75ecf522011-06-27 15:19:46 -0700675void p2p_reset_pending_pd(struct p2p_data *p2p);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700676
677/* p2p_invitation.c */
678void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
679 const u8 *data, size_t len, int rx_freq);
680void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
681 const u8 *data, size_t len);
682int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
683 const u8 *go_dev_addr);
684void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
685void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
686
687/* p2p_dev_disc.c */
688void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
689 const u8 *data, size_t len, int rx_freq);
690void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
691int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
692void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
693void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
694 const u8 *data, size_t len);
695void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
696void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
697 const u8 *data, size_t len, int rx_freq);
698
699/* p2p.c */
700void p2p_set_state(struct p2p_data *p2p, int new_state);
701void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
702 unsigned int usec);
703void p2p_clear_timeout(struct p2p_data *p2p);
704void p2p_continue_find(struct p2p_data *p2p);
705struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
706 const u8 *addr,
707 struct p2p_message *msg);
708void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
709 struct p2p_device *dev, struct p2p_message *msg);
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -0800710int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
Dmitry Shmidtf8623282013-02-20 14:34:59 -0800711 struct os_time *rx_time, int level, const u8 *ies,
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -0800712 size_t ies_len, int scan_res);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700713struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
714struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
715 const u8 *addr);
716void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
717 int status);
718void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
719int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
720int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
721 size_t num_req_dev_type);
722struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
723void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
724int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
725 const u8 *src, const u8 *bssid, const u8 *buf,
726 size_t len, unsigned int wait_time);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700727void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700728
729#endif /* P2P_I_H */