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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
15 enum 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 */
24 struct p2p_device {
25 struct dl_list list;
26 struct os_time 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
110 struct 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
118 struct 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 */
131 struct 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
209 /**
210 * P2P_SEARCH_WHEN_READY - Waiting to start Search
211 */
212 P2P_SEARCH_WHEN_READY,
213
214 /**
215 * P2P_CONTINUE_SEARCH_WHEN_READY - Waiting to continue Search
216 */
217 P2P_CONTINUE_SEARCH_WHEN_READY,
218 } state;
219
220 /**
221 * min_disc_int - minDiscoverableInterval
222 */
223 int min_disc_int;
224
225 /**
226 * max_disc_int - maxDiscoverableInterval
227 */
228 int max_disc_int;
229
230 /**
231 * max_disc_tu - Maximum number of TUs for discoverable interval
232 */
233 int max_disc_tu;
234
235 /**
236 * devices - List of known P2P Device peers
237 */
238 struct dl_list devices;
239
240 /**
241 * go_neg_peer - Pointer to GO Negotiation peer
242 */
243 struct p2p_device *go_neg_peer;
244
245 /**
246 * invite_peer - Pointer to Invite peer
247 */
248 struct p2p_device *invite_peer;
249
250 const u8 *invite_go_dev_addr;
251 u8 invite_go_dev_addr_buf[ETH_ALEN];
252
253 /**
254 * sd_peer - Pointer to Service Discovery peer
255 */
256 struct p2p_device *sd_peer;
257
258 /**
259 * sd_query - Pointer to Service Discovery query
260 */
261 struct p2p_sd_query *sd_query;
262
263 /* GO Negotiation data */
264
265 /**
266 * intended_addr - Local Intended P2P Interface Address
267 *
268 * This address is used during group owner negotiation as the Intended
269 * P2P Interface Address and the group interface will be created with
270 * address as the local address in case of successfully completed
271 * negotiation.
272 */
273 u8 intended_addr[ETH_ALEN];
274
275 /**
276 * go_intent - Local GO Intent to be used during GO Negotiation
277 */
278 u8 go_intent;
279
280 /**
281 * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
282 */
283 u8 next_tie_breaker;
284
285 /**
286 * ssid - Selected SSID for GO Negotiation (if local end will be GO)
287 */
288 u8 ssid[32];
289
290 /**
291 * ssid_len - ssid length in octets
292 */
293 size_t ssid_len;
294
295 /**
296 * ssid_set - Whether SSID is already set for GO Negotiation
297 */
298 int ssid_set;
299
300 /**
301 * Regulatory class for own operational channel
302 */
303 u8 op_reg_class;
304
305 /**
306 * op_channel - Own operational channel
307 */
308 u8 op_channel;
309
310 /**
311 * channels - Own supported regulatory classes and channels
312 *
313 * List of supposerted channels per regulatory class. The regulatory
314 * classes are defined in IEEE Std 802.11-2007 Annex J and the
315 * numbering of the clases depends on the configured country code.
316 */
317 struct p2p_channels channels;
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_time 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 */
478 struct 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
550 struct 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 */
567 int p2p_random(char *buf, size_t len);
568 int p2p_channel_to_freq(int op_class, int channel);
569 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);
570 void p2p_channels_intersect(const struct p2p_channels *a,
571 const struct p2p_channels *b,
572 struct p2p_channels *res);
573 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
574 u8 channel);
575
576 /* p2p_parse.c */
577 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
578 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
579 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
580 void p2p_parse_free(struct p2p_message *msg);
581 int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
582 int p2p_group_info_parse(const u8 *gi, size_t gi_len,
583 struct p2p_group_info *info);
584
585 /* p2p_build.c */
586
587 struct p2p_noa_desc {
588 u8 count_type;
589 u32 duration;
590 u32 interval;
591 u32 start_time;
592 };
593
594 /* p2p_group.c */
595 const u8 * p2p_group_get_interface_addr(struct p2p_group *group);
596 u8 p2p_group_presence_req(struct p2p_group *group,
597 const u8 *client_interface_addr,
598 const u8 *noa, size_t noa_len);
599 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,
600 size_t group_id_len);
601 void p2p_group_update_ies(struct p2p_group *group);
602 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);
603
604
605 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);
606 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
607 u8 dialog_token);
608 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);
609 void p2p_buf_add_status(struct wpabuf *buf, u8 status);
610 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
611 struct p2p_device *peer);
612 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);
613 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);
614 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);
615 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);
616 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
617 u8 reg_class, u8 channel);
618 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
619 u8 reg_class, u8 channel);
620 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
621 struct p2p_channels *chan);
622 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
623 u8 client_timeout);
624 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);
625 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);
626 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
627 const u8 *ssid, size_t ssid_len);
628 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);
629 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
630 struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);
631 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
632 u16 interval);
633 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);
634 void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,
635 int all_attr);
636
637 /* p2p_sd.c */
638 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,
639 struct p2p_device *dev);
640 void p2p_free_sd_queries(struct p2p_data *p2p);
641 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,
642 const u8 *data, size_t len, int rx_freq);
643 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,
644 const u8 *data, size_t len, int rx_freq);
645 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,
646 const u8 *data, size_t len, int rx_freq);
647 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,
648 const u8 *data, size_t len, int rx_freq);
649 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);
650
651 /* p2p_go_neg.c */
652 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,
653 struct p2p_device *dev,
654 const u8 *channel_list, size_t channel_list_len);
655 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,
656 const u8 *data, size_t len, int rx_freq);
657 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,
658 const u8 *data, size_t len, int rx_freq);
659 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,
660 const u8 *data, size_t len);
661 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);
662 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);
663 void p2p_reselect_channel(struct p2p_data *p2p,
664 struct p2p_channels *intersection);
665
666 /* p2p_pd.c */
667 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
668 const u8 *data, size_t len, int rx_freq);
669 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,
670 const u8 *data, size_t len);
671 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,
672 int join, int force_freq);
673 void p2p_reset_pending_pd(struct p2p_data *p2p);
674
675 /* p2p_invitation.c */
676 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,
677 const u8 *data, size_t len, int rx_freq);
678 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,
679 const u8 *data, size_t len);
680 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,
681 const u8 *go_dev_addr);
682 void p2p_invitation_req_cb(struct p2p_data *p2p, int success);
683 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);
684
685 /* p2p_dev_disc.c */
686 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,
687 const u8 *data, size_t len, int rx_freq);
688 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);
689 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);
690 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);
691 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,
692 const u8 *data, size_t len);
693 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);
694 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,
695 const u8 *data, size_t len, int rx_freq);
696
697 /* p2p.c */
698 void p2p_set_state(struct p2p_data *p2p, int new_state);
699 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,
700 unsigned int usec);
701 void p2p_clear_timeout(struct p2p_data *p2p);
702 void p2p_continue_find(struct p2p_data *p2p);
703 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,
704 const u8 *addr,
705 struct p2p_message *msg);
706 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
707 struct p2p_device *dev, struct p2p_message *msg);
708 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
709 struct os_time *rx_time, int level, const u8 *ies,
710 size_t ies_len, int scan_res);
711 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);
712 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,
713 const u8 *addr);
714 void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
715 int status);
716 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);
717 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);
718 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],
719 size_t num_req_dev_type);
720 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p);
721 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
722 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
723 const u8 *src, const u8 *bssid, const u8 *buf,
724 size_t len, unsigned int wait_time);
725 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);
726 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
727 unsigned int force_freq, unsigned int pref_freq);
728 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
729 PRINTF_FORMAT(2, 3);
730 void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
731 PRINTF_FORMAT(2, 3);
732 void p2p_err(struct p2p_data *p2p, const char *fmt, ...)
733 PRINTF_FORMAT(2, 3);
734
735 #endif /* P2P_I_H */