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Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * Wi-Fi Direct - 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_H
10#define P2P_H
11
12/**
13 * P2P_MAX_REG_CLASSES - Maximum number of regulatory classes
14 */
15#define P2P_MAX_REG_CLASSES 10
16
17/**
18 * P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class
19 */
20#define P2P_MAX_REG_CLASS_CHANNELS 20
21
22/**
23 * struct p2p_channels - List of supported channels
24 */
25struct p2p_channels {
26 /**
27 * struct p2p_reg_class - Supported regulatory class
28 */
29 struct p2p_reg_class {
30 /**
31 * reg_class - Regulatory class (IEEE 802.11-2007, Annex J)
32 */
33 u8 reg_class;
34
35 /**
36 * channel - Supported channels
37 */
38 u8 channel[P2P_MAX_REG_CLASS_CHANNELS];
39
40 /**
41 * channels - Number of channel entries in use
42 */
43 size_t channels;
44 } reg_class[P2P_MAX_REG_CLASSES];
45
46 /**
47 * reg_classes - Number of reg_class entries in use
48 */
49 size_t reg_classes;
50};
51
52enum p2p_wps_method {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080053 WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070054};
55
Dmitry Shmidtb5e8f062012-08-08 10:56:33 -070056enum p2p_sd_action {
57 SRV_UPDATE, SRV_ADD, SRV_DEL, SRV_FLUSH
58};
59
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070060/**
61 * struct p2p_go_neg_results - P2P Group Owner Negotiation results
62 */
63struct p2p_go_neg_results {
64 /**
65 * status - Negotiation result (Status Code)
66 *
67 * 0 (P2P_SC_SUCCESS) indicates success. Non-zero values indicate
68 * failed negotiation.
69 */
70 int status;
71
72 /**
73 * role_go - Whether local end is Group Owner
74 */
75 int role_go;
76
77 /**
78 * freq - Frequency of the group operational channel in MHz
79 */
80 int freq;
81
82 /**
83 * ssid - SSID of the group
84 */
85 u8 ssid[32];
86
87 /**
88 * ssid_len - Length of SSID in octets
89 */
90 size_t ssid_len;
91
92 /**
93 * passphrase - WPA2-Personal passphrase for the group (GO only)
94 */
95 char passphrase[64];
96
97 /**
98 * peer_device_addr - P2P Device Address of the peer
99 */
100 u8 peer_device_addr[ETH_ALEN];
101
102 /**
103 * peer_interface_addr - P2P Interface Address of the peer
104 */
105 u8 peer_interface_addr[ETH_ALEN];
106
107 /**
108 * wps_method - WPS method to be used during provisioning
109 */
110 enum p2p_wps_method wps_method;
111
112#define P2P_MAX_CHANNELS 50
113
114 /**
115 * freq_list - Zero-terminated list of possible operational channels
116 */
117 int freq_list[P2P_MAX_CHANNELS];
118
119 /**
120 * persistent_group - Whether the group should be made persistent
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800121 * 0 = not persistent
122 * 1 = persistent group without persistent reconnect
123 * 2 = persistent group with persistent reconnect
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700124 */
125 int persistent_group;
126
127 /**
128 * peer_config_timeout - Peer configuration timeout (in 10 msec units)
129 */
130 unsigned int peer_config_timeout;
131};
132
133struct p2p_data;
134
135enum p2p_scan_type {
136 P2P_SCAN_SOCIAL,
137 P2P_SCAN_FULL,
Dmitry Shmidtb5e8f062012-08-08 10:56:33 -0700138 P2P_SCAN_SPECIFIC,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700139 P2P_SCAN_SOCIAL_PLUS_ONE
140};
141
142#define P2P_MAX_WPS_VENDOR_EXT 10
143
144/**
145 * struct p2p_peer_info - P2P peer information
146 */
147struct p2p_peer_info {
148 /**
149 * p2p_device_addr - P2P Device Address of the peer
150 */
151 u8 p2p_device_addr[ETH_ALEN];
152
153 /**
154 * pri_dev_type - Primary Device Type
155 */
156 u8 pri_dev_type[8];
157
158 /**
159 * device_name - Device Name (0..32 octets encoded in UTF-8)
160 */
161 char device_name[33];
162
163 /**
164 * manufacturer - Manufacturer (0..64 octets encoded in UTF-8)
165 */
166 char manufacturer[65];
167
168 /**
169 * model_name - Model Name (0..32 octets encoded in UTF-8)
170 */
171 char model_name[33];
172
173 /**
174 * model_number - Model Number (0..32 octets encoded in UTF-8)
175 */
176 char model_number[33];
177
178 /**
179 * serial_number - Serial Number (0..32 octets encoded in UTF-8)
180 */
181 char serial_number[33];
182
183 /**
Jouni Malinen75ecf522011-06-27 15:19:46 -0700184 * level - Signal level
185 */
186 int level;
187
188 /**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700189 * config_methods - WPS Configuration Methods
190 */
191 u16 config_methods;
192
193 /**
194 * dev_capab - Device Capabilities
195 */
196 u8 dev_capab;
197
198 /**
199 * group_capab - Group Capabilities
200 */
201 u8 group_capab;
202
203 /**
204 * wps_sec_dev_type_list - WPS secondary device type list
205 *
206 * This list includes from 0 to 16 Secondary Device Types as indicated
207 * by wps_sec_dev_type_list_len (8 * number of types).
208 */
209 u8 wps_sec_dev_type_list[128];
210
211 /**
212 * wps_sec_dev_type_list_len - Length of secondary device type list
213 */
214 size_t wps_sec_dev_type_list_len;
215
216 struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
217};
218
Jouni Malinen75ecf522011-06-27 15:19:46 -0700219enum p2p_prov_disc_status {
220 P2P_PROV_DISC_SUCCESS,
221 P2P_PROV_DISC_TIMEOUT,
222 P2P_PROV_DISC_REJECTED,
223};
224
Dmitry Shmidt04949592012-07-19 12:16:46 -0700225struct p2p_channel {
226 u8 op_class;
227 u8 chan;
228};
229
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700230/**
231 * struct p2p_config - P2P configuration
232 *
233 * This configuration is provided to the P2P module during initialization with
234 * p2p_init().
235 */
236struct p2p_config {
237 /**
238 * country - Country code to use in P2P operations
239 */
240 char country[3];
241
242 /**
243 * reg_class - Regulatory class for own listen channel
244 */
245 u8 reg_class;
246
247 /**
248 * channel - Own listen channel
249 */
250 u8 channel;
251
252 /**
253 * Regulatory class for own operational channel
254 */
255 u8 op_reg_class;
256
257 /**
258 * op_channel - Own operational channel
259 */
260 u8 op_channel;
261
262 /**
263 * cfg_op_channel - Whether op_channel is hardcoded in configuration
264 */
265 u8 cfg_op_channel;
266
267 /**
268 * channels - Own supported regulatory classes and channels
269 *
270 * List of supposerted channels per regulatory class. The regulatory
271 * classes are defined in IEEE Std 802.11-2007 Annex J and the
272 * numbering of the clases depends on the configured country code.
273 */
274 struct p2p_channels channels;
275
276 /**
Dmitry Shmidt04949592012-07-19 12:16:46 -0700277 * num_pref_chan - Number of pref_chan entries
278 */
279 unsigned int num_pref_chan;
280
281 /**
282 * pref_chan - Preferred channels for GO Negotiation
283 */
284 struct p2p_channel *pref_chan;
285
286 /**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700287 * pri_dev_type - Primary Device Type (see WPS)
288 */
289 u8 pri_dev_type[8];
290
291 /**
292 * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types
293 */
294#define P2P_SEC_DEVICE_TYPES 5
295
296 /**
297 * sec_dev_type - Optional secondary device types
298 */
299 u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8];
300
301 /**
302 * num_sec_dev_types - Number of sec_dev_type entries
303 */
304 size_t num_sec_dev_types;
305
306 /**
307 * dev_addr - P2P Device Address
308 */
309 u8 dev_addr[ETH_ALEN];
310
311 /**
312 * dev_name - Device Name
313 */
314 char *dev_name;
315
316 char *manufacturer;
317 char *model_name;
318 char *model_number;
319 char *serial_number;
320
321 u8 uuid[16];
322 u16 config_methods;
323
324 /**
325 * concurrent_operations - Whether concurrent operations are supported
326 */
327 int concurrent_operations;
328
329 /**
330 * max_peers - Maximum number of discovered peers to remember
331 *
332 * If more peers are discovered, older entries will be removed to make
333 * room for the new ones.
334 */
335 size_t max_peers;
336
337 /**
338 * p2p_intra_bss - Intra BSS communication is supported
339 */
340 int p2p_intra_bss;
341
342 /**
343 * ssid_postfix - Postfix data to add to the SSID
344 *
345 * This data will be added to the end of the SSID after the
346 * DIRECT-<random two octets> prefix.
347 */
348 u8 ssid_postfix[32 - 9];
349
350 /**
351 * ssid_postfix_len - Length of the ssid_postfix data
352 */
353 size_t ssid_postfix_len;
354
355 /**
356 * msg_ctx - Context to use with wpa_msg() calls
357 */
358 void *msg_ctx;
359
360 /**
361 * cb_ctx - Context to use with callback functions
362 */
363 void *cb_ctx;
364
365
366 /* Callbacks to request lower layer driver operations */
367
368 /**
369 * p2p_scan - Request a P2P scan/search
370 * @ctx: Callback context from cb_ctx
371 * @type: Scan type
372 * @freq: Specific frequency (MHz) to scan or 0 for no restriction
373 * @num_req_dev_types: Number of requested device types
374 * @req_dev_types: Array containing requested device types
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800375 * @dev_id: Device ID to search for or %NULL to find all devices
Dmitry Shmidt04949592012-07-19 12:16:46 -0700376 * @pw_id: Device Password ID
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700377 * Returns: 0 on success, -1 on failure
378 *
379 * This callback function is used to request a P2P scan or search
380 * operation to be completed. Type type argument specifies which type
381 * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the
382 * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL
Dmitry Shmidt04949592012-07-19 12:16:46 -0700383 * indicates that all channels are to be scanned.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700384 * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels
385 * plus one extra channel specified by freq.
386 *
387 * The full scan is used for the initial scan to find group owners from
388 * all. The other types are used during search phase scan of the social
389 * channels (with potential variation if the Listen channel of the
390 * target peer is known or if other channels are scanned in steps).
391 *
392 * The scan results are returned after this call by calling
393 * p2p_scan_res_handler() for each scan result that has a P2P IE and
394 * then calling p2p_scan_res_handled() to indicate that all scan
395 * results have been indicated.
396 */
397 int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq,
398 unsigned int num_req_dev_types,
Dmitry Shmidt04949592012-07-19 12:16:46 -0700399 const u8 *req_dev_types, const u8 *dev_id, u16 pw_id);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700400
401 /**
402 * send_probe_resp - Transmit a Probe Response frame
403 * @ctx: Callback context from cb_ctx
404 * @buf: Probe Response frame (including the header and body)
405 * Returns: 0 on success, -1 on failure
406 *
407 * This function is used to reply to Probe Request frames that were
408 * indicated with a call to p2p_probe_req_rx(). The response is to be
409 * sent on the same channel or to be dropped if the driver is not
410 * anymore listening to Probe Request frames.
411 *
412 * Alternatively, the responsibility for building the Probe Response
413 * frames in Listen state may be in another system component in which
414 * case this function need to be implemented (i.e., the function
415 * pointer can be %NULL). The WPS and P2P IEs to be added for Probe
416 * Response frames in such a case are available from the
417 * start_listen() callback. It should be noted that the received Probe
418 * Request frames must be indicated by calling p2p_probe_req_rx() even
419 * if this send_probe_resp() is not used.
420 */
421 int (*send_probe_resp)(void *ctx, const struct wpabuf *buf);
422
423 /**
424 * send_action - Transmit an Action frame
425 * @ctx: Callback context from cb_ctx
426 * @freq: Frequency in MHz for the channel on which to transmit
427 * @dst: Destination MAC address (Address 1)
428 * @src: Source MAC address (Address 2)
429 * @bssid: BSSID (Address 3)
430 * @buf: Frame body (starting from Category field)
431 * @len: Length of buf in octets
432 * @wait_time: How many msec to wait for a response frame
433 * Returns: 0 on success, -1 on failure
434 *
435 * The Action frame may not be transmitted immediately and the status
436 * of the transmission must be reported by calling
437 * p2p_send_action_cb() once the frame has either been transmitted or
438 * it has been dropped due to excessive retries or other failure to
439 * transmit.
440 */
441 int (*send_action)(void *ctx, unsigned int freq, const u8 *dst,
442 const u8 *src, const u8 *bssid, const u8 *buf,
443 size_t len, unsigned int wait_time);
444
445 /**
446 * send_action_done - Notify that Action frame sequence was completed
447 * @ctx: Callback context from cb_ctx
448 *
449 * This function is called when the Action frame sequence that was
450 * started with send_action() has been completed, i.e., when there is
451 * no need to wait for a response from the destination peer anymore.
452 */
453 void (*send_action_done)(void *ctx);
454
455 /**
456 * start_listen - Start Listen state
457 * @ctx: Callback context from cb_ctx
458 * @freq: Frequency of the listen channel in MHz
459 * @duration: Duration for the Listen state in milliseconds
460 * @probe_resp_ie: IE(s) to be added to Probe Response frames
461 * Returns: 0 on success, -1 on failure
462 *
463 * This Listen state may not start immediately since the driver may
464 * have other pending operations to complete first. Once the Listen
465 * state has started, p2p_listen_cb() must be called to notify the P2P
466 * module. Once the Listen state is stopped, p2p_listen_end() must be
467 * called to notify the P2P module that the driver is not in the Listen
468 * state anymore.
469 *
470 * If the send_probe_resp() is not used for generating the response,
471 * the IEs from probe_resp_ie need to be added to the end of the Probe
472 * Response frame body. If send_probe_resp() is used, the probe_resp_ie
473 * information can be ignored.
474 */
475 int (*start_listen)(void *ctx, unsigned int freq,
476 unsigned int duration,
477 const struct wpabuf *probe_resp_ie);
478 /**
479 * stop_listen - Stop Listen state
480 * @ctx: Callback context from cb_ctx
481 *
482 * This callback can be used to stop a Listen state operation that was
483 * previously requested with start_listen().
484 */
485 void (*stop_listen)(void *ctx);
486
487 /**
488 * get_noa - Get current Notice of Absence attribute payload
489 * @ctx: Callback context from cb_ctx
490 * @interface_addr: P2P Interface Address of the GO
491 * @buf: Buffer for returning NoA
492 * @buf_len: Buffer length in octets
493 * Returns: Number of octets used in buf, 0 to indicate no NoA is being
494 * advertized, or -1 on failure
495 *
496 * This function is used to fetch the current Notice of Absence
497 * attribute value from GO.
498 */
499 int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf,
500 size_t buf_len);
501
502 /* Callbacks to notify events to upper layer management entity */
503
504 /**
505 * dev_found - Notification of a found P2P Device
506 * @ctx: Callback context from cb_ctx
507 * @addr: Source address of the message triggering this notification
508 * @info: P2P peer information
509 * @new_device: Inform if the peer is newly found
510 *
511 * This callback is used to notify that a new P2P Device has been
512 * found. This may happen, e.g., during Search state based on scan
513 * results or during Listen state based on receive Probe Request and
514 * Group Owner Negotiation Request.
515 */
516 void (*dev_found)(void *ctx, const u8 *addr,
517 const struct p2p_peer_info *info,
518 int new_device);
519
520 /**
521 * dev_lost - Notification of a lost P2P Device
522 * @ctx: Callback context from cb_ctx
523 * @dev_addr: P2P Device Address of the lost P2P Device
524 *
525 * This callback is used to notify that a P2P Device has been deleted.
526 */
527 void (*dev_lost)(void *ctx, const u8 *dev_addr);
528
529 /**
530 * go_neg_req_rx - Notification of a receive GO Negotiation Request
531 * @ctx: Callback context from cb_ctx
532 * @src: Source address of the message triggering this notification
533 * @dev_passwd_id: WPS Device Password ID
534 *
535 * This callback is used to notify that a P2P Device is requesting
536 * group owner negotiation with us, but we do not have all the
537 * necessary information to start GO Negotiation. This indicates that
538 * the local user has not authorized the connection yet by providing a
539 * PIN or PBC button press. This information can be provided with a
540 * call to p2p_connect().
541 */
542 void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id);
543
544 /**
545 * go_neg_completed - Notification of GO Negotiation results
546 * @ctx: Callback context from cb_ctx
547 * @res: GO Negotiation results
548 *
549 * This callback is used to notify that Group Owner Negotiation has
550 * been completed. Non-zero struct p2p_go_neg_results::status indicates
551 * failed negotiation. In case of success, this function is responsible
552 * for creating a new group interface (or using the existing interface
553 * depending on driver features), setting up the group interface in
554 * proper mode based on struct p2p_go_neg_results::role_go and
555 * initializing WPS provisioning either as a Registrar (if GO) or as an
556 * Enrollee. Successful WPS provisioning must be indicated by calling
557 * p2p_wps_success_cb(). The callee is responsible for timing out group
558 * formation if WPS provisioning cannot be completed successfully
559 * within 15 seconds.
560 */
561 void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res);
562
563 /**
564 * sd_request - Callback on Service Discovery Request
565 * @ctx: Callback context from cb_ctx
566 * @freq: Frequency (in MHz) of the channel
567 * @sa: Source address of the request
568 * @dialog_token: Dialog token
569 * @update_indic: Service Update Indicator from the source of request
570 * @tlvs: P2P Service Request TLV(s)
571 * @tlvs_len: Length of tlvs buffer in octets
572 *
573 * This callback is used to indicate reception of a service discovery
574 * request. Response to the query must be indicated by calling
575 * p2p_sd_response() with the context information from the arguments to
576 * this callback function.
577 *
578 * This callback handler can be set to %NULL to indicate that service
579 * discovery is not supported.
580 */
581 void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token,
582 u16 update_indic, const u8 *tlvs, size_t tlvs_len);
583
584 /**
585 * sd_response - Callback on Service Discovery Response
586 * @ctx: Callback context from cb_ctx
587 * @sa: Source address of the request
588 * @update_indic: Service Update Indicator from the source of response
589 * @tlvs: P2P Service Response TLV(s)
590 * @tlvs_len: Length of tlvs buffer in octets
591 *
592 * This callback is used to indicate reception of a service discovery
593 * response. This callback handler can be set to %NULL if no service
594 * discovery requests are used. The information provided with this call
595 * is replies to the queries scheduled with p2p_sd_request().
596 */
597 void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic,
598 const u8 *tlvs, size_t tlvs_len);
599
600 /**
601 * prov_disc_req - Callback on Provisiong Discovery Request
602 * @ctx: Callback context from cb_ctx
603 * @peer: Source address of the request
604 * @config_methods: Requested WPS Config Method
605 * @dev_addr: P2P Device Address of the found P2P Device
606 * @pri_dev_type: Primary Device Type
607 * @dev_name: Device Name
608 * @supp_config_methods: Supported configuration Methods
609 * @dev_capab: Device Capabilities
610 * @group_capab: Group Capabilities
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800611 * @group_id: P2P Group ID (or %NULL if not included)
612 * @group_id_len: Length of P2P Group ID
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700613 *
614 * This callback is used to indicate reception of a Provision Discovery
615 * Request frame that the P2P module accepted.
616 */
617 void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods,
618 const u8 *dev_addr, const u8 *pri_dev_type,
619 const char *dev_name, u16 supp_config_methods,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800620 u8 dev_capab, u8 group_capab,
621 const u8 *group_id, size_t group_id_len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700622
623 /**
624 * prov_disc_resp - Callback on Provisiong Discovery Response
625 * @ctx: Callback context from cb_ctx
626 * @peer: Source address of the response
627 * @config_methods: Value from p2p_prov_disc_req() or 0 on failure
628 *
629 * This callback is used to indicate reception of a Provision Discovery
630 * Response frame for a pending request scheduled with
631 * p2p_prov_disc_req(). This callback handler can be set to %NULL if
632 * provision discovery is not used.
633 */
634 void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods);
635
636 /**
Jouni Malinen75ecf522011-06-27 15:19:46 -0700637 * prov_disc_fail - Callback on Provision Discovery failure
638 * @ctx: Callback context from cb_ctx
639 * @peer: Source address of the response
640 * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS
641 *
642 * This callback is used to indicate either a failure or no response
643 * to an earlier provision discovery request.
644 *
645 * This callback handler can be set to %NULL if provision discovery
646 * is not used or failures do not need to be indicated.
647 */
648 void (*prov_disc_fail)(void *ctx, const u8 *peer,
649 enum p2p_prov_disc_status status);
650
651 /**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700652 * invitation_process - Optional callback for processing Invitations
653 * @ctx: Callback context from cb_ctx
654 * @sa: Source address of the Invitation Request
655 * @bssid: P2P Group BSSID from the request or %NULL if not included
656 * @go_dev_addr: GO Device Address from P2P Group ID
657 * @ssid: SSID from P2P Group ID
658 * @ssid_len: Length of ssid buffer in octets
659 * @go: Variable for returning whether the local end is GO in the group
660 * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO)
661 * @force_freq: Variable for returning forced frequency for the group
662 * @persistent_group: Whether this is an invitation to reinvoke a
663 * persistent group (instead of invitation to join an active
664 * group)
665 * Returns: Status code (P2P_SC_*)
666 *
667 * This optional callback can be used to implement persistent reconnect
668 * by allowing automatic restarting of persistent groups without user
669 * interaction. If this callback is not implemented (i.e., is %NULL),
670 * the received Invitation Request frames are replied with
671 * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the
672 * invitation_result() callback.
673 *
674 * If the requested parameters are acceptable and the group is known,
675 * %P2P_SC_SUCCESS may be returned. If the requested group is unknown,
676 * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED
677 * can be returned if there is not enough data to provide immediate
678 * response, i.e., if some sort of user interaction is needed. The
679 * invitation_received() callback will be called in that case
680 * immediately after this call.
681 */
682 u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid,
683 const u8 *go_dev_addr, const u8 *ssid,
684 size_t ssid_len, int *go, u8 *group_bssid,
685 int *force_freq, int persistent_group);
686
687 /**
688 * invitation_received - Callback on Invitation Request RX
689 * @ctx: Callback context from cb_ctx
690 * @sa: Source address of the Invitation Request
691 * @bssid: P2P Group BSSID or %NULL if not received
692 * @ssid: SSID of the group
693 * @ssid_len: Length of ssid in octets
694 * @go_dev_addr: GO Device Address
695 * @status: Response Status
696 * @op_freq: Operational frequency for the group
697 *
698 * This callback is used to indicate sending of an Invitation Response
699 * for a received Invitation Request. If status == 0 (success), the
700 * upper layer code is responsible for starting the group. status == 1
701 * indicates need to get user authorization for the group. Other status
702 * values indicate that the invitation request was rejected.
703 */
704 void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid,
705 const u8 *ssid, size_t ssid_len,
706 const u8 *go_dev_addr, u8 status,
707 int op_freq);
708
709 /**
710 * invitation_result - Callback on Invitation result
711 * @ctx: Callback context from cb_ctx
712 * @status: Negotiation result (Status Code)
713 * @bssid: P2P Group BSSID or %NULL if not received
714 *
715 * This callback is used to indicate result of an Invitation procedure
716 * started with a call to p2p_invite(). The indicated status code is
717 * the value received from the peer in Invitation Response with 0
718 * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a
719 * local failure in transmitting the Invitation Request.
720 */
721 void (*invitation_result)(void *ctx, int status, const u8 *bssid);
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800722
723 /**
724 * go_connected - Check whether we are connected to a GO
725 * @ctx: Callback context from cb_ctx
726 * @dev_addr: P2P Device Address of a GO
727 * Returns: 1 if we are connected as a P2P client to the specified GO
728 * or 0 if not.
729 */
730 int (*go_connected)(void *ctx, const u8 *dev_addr);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700731};
732
733
734/* P2P module initialization/deinitialization */
735
736/**
737 * p2p_init - Initialize P2P module
738 * @cfg: P2P module configuration
739 * Returns: Pointer to private data or %NULL on failure
740 *
741 * This function is used to initialize global P2P module context (one per
742 * device). The P2P module will keep a copy of the configuration data, so the
743 * caller does not need to maintain this structure. However, the callback
744 * functions and the context parameters to them must be kept available until
745 * the P2P module is deinitialized with p2p_deinit().
746 */
747struct p2p_data * p2p_init(const struct p2p_config *cfg);
748
749/**
750 * p2p_deinit - Deinitialize P2P module
751 * @p2p: P2P module context from p2p_init()
752 */
753void p2p_deinit(struct p2p_data *p2p);
754
755/**
756 * p2p_flush - Flush P2P module state
757 * @p2p: P2P module context from p2p_init()
758 *
759 * This command removes the P2P module state like peer device entries.
760 */
761void p2p_flush(struct p2p_data *p2p);
762
763/**
764 * p2p_unauthorize - Unauthorize the specified peer device
765 * @p2p: P2P module context from p2p_init()
766 * @addr: P2P peer entry to be unauthorized
767 * Returns: 0 on success, -1 on failure
768 *
769 * This command removes any connection authorization from the specified P2P
770 * peer device address. This can be used, e.g., to cancel effect of a previous
771 * p2p_authorize() or p2p_connect() call that has not yet resulted in completed
772 * GO Negotiation.
773 */
774int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr);
775
776/**
777 * p2p_set_dev_name - Set device name
778 * @p2p: P2P module context from p2p_init()
779 * Returns: 0 on success, -1 on failure
780 *
781 * This function can be used to update the P2P module configuration with
782 * information that was not available at the time of the p2p_init() call.
783 */
784int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name);
785
786int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer);
787int p2p_set_model_name(struct p2p_data *p2p, const char *model_name);
788int p2p_set_model_number(struct p2p_data *p2p, const char *model_number);
789int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number);
790
791void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods);
792void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid);
793
794/**
795 * p2p_set_pri_dev_type - Set primary device type
796 * @p2p: P2P module context from p2p_init()
797 * Returns: 0 on success, -1 on failure
798 *
799 * This function can be used to update the P2P module configuration with
800 * information that was not available at the time of the p2p_init() call.
801 */
802int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type);
803
804/**
805 * p2p_set_sec_dev_types - Set secondary device types
806 * @p2p: P2P module context from p2p_init()
807 * Returns: 0 on success, -1 on failure
808 *
809 * This function can be used to update the P2P module configuration with
810 * information that was not available at the time of the p2p_init() call.
811 */
812int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
813 size_t num_dev_types);
814
815int p2p_set_country(struct p2p_data *p2p, const char *country);
816
817
818/* Commands from upper layer management entity */
819
820enum p2p_discovery_type {
821 P2P_FIND_START_WITH_FULL,
822 P2P_FIND_ONLY_SOCIAL,
823 P2P_FIND_PROGRESSIVE
824};
825
826/**
827 * p2p_find - Start P2P Find (Device Discovery)
828 * @p2p: P2P module context from p2p_init()
829 * @timeout: Timeout for find operation in seconds or 0 for no timeout
830 * @type: Device Discovery type
831 * @num_req_dev_types: Number of requested device types
832 * @req_dev_types: Requested device types array, must be an array
833 * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no
834 * requested device types.
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800835 * @dev_id: Device ID to search for or %NULL to find all devices
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700836 * Returns: 0 on success, -1 on failure
837 */
838int p2p_find(struct p2p_data *p2p, unsigned int timeout,
839 enum p2p_discovery_type type,
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800840 unsigned int num_req_dev_types, const u8 *req_dev_types,
841 const u8 *dev_id);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700842
843/**
844 * p2p_stop_find - Stop P2P Find (Device Discovery)
845 * @p2p: P2P module context from p2p_init()
846 */
847void p2p_stop_find(struct p2p_data *p2p);
848
849/**
850 * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq
851 * @p2p: P2P module context from p2p_init()
852 * @freq: Frequency in MHz for next operation
853 *
854 * This is like p2p_stop_find(), but Listen state is not stopped if we are
855 * already on the same frequency.
856 */
857void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq);
858
859/**
860 * p2p_listen - Start P2P Listen state for specified duration
861 * @p2p: P2P module context from p2p_init()
862 * @timeout: Listen state duration in milliseconds
863 * Returns: 0 on success, -1 on failure
864 *
865 * This function can be used to request the P2P module to keep the device
866 * discoverable on the listen channel for an extended set of time. At least in
867 * its current form, this is mainly used for testing purposes and may not be of
868 * much use for normal P2P operations.
869 */
870int p2p_listen(struct p2p_data *p2p, unsigned int timeout);
871
872/**
873 * p2p_connect - Start P2P group formation (GO negotiation)
874 * @p2p: P2P module context from p2p_init()
875 * @peer_addr: MAC address of the peer P2P client
876 * @wps_method: WPS method to be used in provisioning
877 * @go_intent: Local GO intent value (1..15)
878 * @own_interface_addr: Intended interface address to use with the group
879 * @force_freq: The only allowed channel frequency in MHz or 0
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800880 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
881 * persistent group without persistent reconnect, 2 = persistent group with
882 * persistent reconnect)
Dmitry Shmidt04949592012-07-19 12:16:46 -0700883 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
884 * a new SSID
885 * @force_ssid_len: Length of $force_ssid buffer
886 * @pd_before_go_neg: Whether to send Provision Discovery prior to GO
887 * Negotiation as an interoperability workaround when initiating group
888 * formation
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700889 * Returns: 0 on success, -1 on failure
890 */
891int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
892 enum p2p_wps_method wps_method,
893 int go_intent, const u8 *own_interface_addr,
Dmitry Shmidt04949592012-07-19 12:16:46 -0700894 unsigned int force_freq, int persistent_group,
895 const u8 *force_ssid, size_t force_ssid_len,
896 int pd_before_go_neg);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700897
898/**
899 * p2p_authorize - Authorize P2P group formation (GO negotiation)
900 * @p2p: P2P module context from p2p_init()
901 * @peer_addr: MAC address of the peer P2P client
902 * @wps_method: WPS method to be used in provisioning
903 * @go_intent: Local GO intent value (1..15)
904 * @own_interface_addr: Intended interface address to use with the group
905 * @force_freq: The only allowed channel frequency in MHz or 0
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800906 * @persistent_group: Whether to create a persistent group (0 = no, 1 =
907 * persistent group without persistent reconnect, 2 = persistent group with
908 * persistent reconnect)
Dmitry Shmidt04949592012-07-19 12:16:46 -0700909 * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate
910 * a new SSID
911 * @force_ssid_len: Length of $force_ssid buffer
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700912 * Returns: 0 on success, -1 on failure
913 *
914 * This is like p2p_connect(), but the actual group negotiation is not
915 * initiated automatically, i.e., the other end is expected to do that.
916 */
917int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
918 enum p2p_wps_method wps_method,
919 int go_intent, const u8 *own_interface_addr,
Dmitry Shmidt04949592012-07-19 12:16:46 -0700920 unsigned int force_freq, int persistent_group,
921 const u8 *force_ssid, size_t force_ssid_len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700922
923/**
924 * p2p_reject - Reject peer device (explicitly block connection attempts)
925 * @p2p: P2P module context from p2p_init()
926 * @peer_addr: MAC address of the peer P2P client
927 * Returns: 0 on success, -1 on failure
928 */
929int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr);
930
931/**
932 * p2p_prov_disc_req - Send Provision Discovery Request
933 * @p2p: P2P module context from p2p_init()
934 * @peer_addr: MAC address of the peer P2P client
935 * @config_methods: WPS Config Methods value (only one bit set)
936 * @join: Whether this is used by a client joining an active group
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800937 * @force_freq: Forced TX frequency for the frame (mainly for the join case)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700938 * Returns: 0 on success, -1 on failure
939 *
940 * This function can be used to request a discovered P2P peer to display a PIN
941 * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us
942 * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame
943 * is transmitted once immediately and if no response is received, the frame
944 * will be sent again whenever the target device is discovered during device
945 * dsicovery (start with a p2p_find() call). Response from the peer is
946 * indicated with the p2p_config::prov_disc_resp() callback.
947 */
948int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800949 u16 config_methods, int join, int force_freq);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700950
951/**
952 * p2p_sd_request - Schedule a service discovery query
953 * @p2p: P2P module context from p2p_init()
954 * @dst: Destination peer or %NULL to apply for all peers
955 * @tlvs: P2P Service Query TLV(s)
956 * Returns: Reference to the query or %NULL on failure
957 *
958 * Response to the query is indicated with the p2p_config::sd_response()
959 * callback.
960 */
961void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst,
962 const struct wpabuf *tlvs);
963
964/**
965 * p2p_sd_cancel_request - Cancel a pending service discovery query
966 * @p2p: P2P module context from p2p_init()
967 * @req: Query reference from p2p_sd_request()
968 * Returns: 0 if request for cancelled; -1 if not found
969 */
970int p2p_sd_cancel_request(struct p2p_data *p2p, void *req);
971
972/**
973 * p2p_sd_response - Send response to a service discovery query
974 * @p2p: P2P module context from p2p_init()
975 * @freq: Frequency from p2p_config::sd_request() callback
976 * @dst: Destination address from p2p_config::sd_request() callback
977 * @dialog_token: Dialog token from p2p_config::sd_request() callback
978 * @resp_tlvs: P2P Service Response TLV(s)
979 *
980 * This function is called as a response to the request indicated with
981 * p2p_config::sd_request() callback.
982 */
983void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst,
984 u8 dialog_token, const struct wpabuf *resp_tlvs);
985
986/**
987 * p2p_sd_service_update - Indicate a change in local services
988 * @p2p: P2P module context from p2p_init()
989 *
990 * This function needs to be called whenever there is a change in availability
991 * of the local services. This will increment the Service Update Indicator
992 * value which will be used in SD Request and Response frames.
993 */
Dmitry Shmidtb5e8f062012-08-08 10:56:33 -0700994#ifdef ANDROID_P2P
995void p2p_sd_service_update(struct p2p_data *p2p, int action);
996#else
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700997void p2p_sd_service_update(struct p2p_data *p2p);
Dmitry Shmidtb5e8f062012-08-08 10:56:33 -0700998#endif
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700999
1000
1001enum p2p_invite_role {
1002 P2P_INVITE_ROLE_GO,
1003 P2P_INVITE_ROLE_ACTIVE_GO,
1004 P2P_INVITE_ROLE_CLIENT
1005};
1006
1007/**
1008 * p2p_invite - Invite a P2P Device into a group
1009 * @p2p: P2P module context from p2p_init()
1010 * @peer: Device Address of the peer P2P Device
1011 * @role: Local role in the group
1012 * @bssid: Group BSSID or %NULL if not known
1013 * @ssid: Group SSID
1014 * @ssid_len: Length of ssid in octets
1015 * @force_freq: The only allowed channel frequency in MHz or 0
1016 * @go_dev_addr: Forced GO Device Address or %NULL if none
1017 * @persistent_group: Whether this is to reinvoke a persistent group
1018 * Returns: 0 on success, -1 on failure
1019 */
1020int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role,
1021 const u8 *bssid, const u8 *ssid, size_t ssid_len,
1022 unsigned int force_freq, const u8 *go_dev_addr,
1023 int persistent_group);
1024
1025/**
1026 * p2p_presence_req - Request GO presence
1027 * @p2p: P2P module context from p2p_init()
1028 * @go_interface_addr: GO P2P Interface Address
1029 * @own_interface_addr: Own P2P Interface Address for this group
1030 * @freq: Group operating frequence (in MHz)
1031 * @duration1: Preferred presence duration in microseconds
1032 * @interval1: Preferred presence interval in microseconds
1033 * @duration2: Acceptable presence duration in microseconds
1034 * @interval2: Acceptable presence interval in microseconds
1035 * Returns: 0 on success, -1 on failure
1036 *
1037 * If both duration and interval values are zero, the parameter pair is not
1038 * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0).
1039 */
1040int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr,
1041 const u8 *own_interface_addr, unsigned int freq,
1042 u32 duration1, u32 interval1, u32 duration2,
1043 u32 interval2);
1044
1045/**
1046 * p2p_ext_listen - Set Extended Listen Timing
1047 * @p2p: P2P module context from p2p_init()
1048 * @freq: Group operating frequence (in MHz)
1049 * @period: Availability period in milliseconds (1-65535; 0 to disable)
1050 * @interval: Availability interval in milliseconds (1-65535; 0 to disable)
1051 * Returns: 0 on success, -1 on failure
1052 *
1053 * This function can be used to enable or disable (period = interval = 0)
1054 * Extended Listen Timing. When enabled, the P2P Device will become
1055 * discoverable (go into Listen State) every @interval milliseconds for at
1056 * least @period milliseconds.
1057 */
1058int p2p_ext_listen(struct p2p_data *p2p, unsigned int period,
1059 unsigned int interval);
1060
1061/* Event notifications from upper layer management operations */
1062
1063/**
1064 * p2p_wps_success_cb - Report successfully completed WPS provisioning
1065 * @p2p: P2P module context from p2p_init()
1066 * @mac_addr: Peer address
1067 *
1068 * This function is used to report successfully completed WPS provisioning
1069 * during group formation in both GO/Registrar and client/Enrollee roles.
1070 */
1071void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr);
1072
1073/**
1074 * p2p_group_formation_failed - Report failed WPS provisioning
1075 * @p2p: P2P module context from p2p_init()
1076 *
1077 * This function is used to report failed group formation. This can happen
1078 * either due to failed WPS provisioning or due to 15 second timeout during
1079 * the provisioning phase.
1080 */
1081void p2p_group_formation_failed(struct p2p_data *p2p);
1082
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001083/**
1084 * p2p_get_provisioning_info - Get any stored provisioning info
1085 * @p2p: P2P module context from p2p_init()
1086 * @addr: Peer P2P Device Address
1087 * Returns: WPS provisioning information (WPS config method) or 0 if no
1088 * information is available
1089 *
1090 * This function is used to retrieve stored WPS provisioning info for the given
1091 * peer.
1092 */
1093u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr);
1094
1095/**
1096 * p2p_clear_provisioning_info - Clear any stored provisioning info
1097 * @p2p: P2P module context from p2p_init()
Dmitry Shmidt04949592012-07-19 12:16:46 -07001098 * @iface_addr: Peer P2P Device Address
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001099 *
1100 * This function is used to clear stored WPS provisioning info for the given
1101 * peer.
1102 */
Dmitry Shmidt04949592012-07-19 12:16:46 -07001103void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001104
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001105
1106/* Event notifications from lower layer driver operations */
1107
1108/**
Dmitry Shmidt04949592012-07-19 12:16:46 -07001109 * enum p2p_probe_req_status
1110 *
1111 * @P2P_PREQ_MALFORMED: frame was not well-formed
1112 * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored
1113 * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request
1114 * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed
1115 * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P
1116 */
1117enum p2p_probe_req_status {
1118 P2P_PREQ_MALFORMED,
1119 P2P_PREQ_NOT_LISTEN,
1120 P2P_PREQ_NOT_P2P,
1121 P2P_PREQ_NOT_PROCESSED,
1122 P2P_PREQ_PROCESSED
1123};
1124
1125/**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001126 * p2p_probe_req_rx - Report reception of a Probe Request frame
1127 * @p2p: P2P module context from p2p_init()
1128 * @addr: Source MAC address
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001129 * @dst: Destination MAC address if available or %NULL
1130 * @bssid: BSSID if available or %NULL
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001131 * @ie: Information elements from the Probe Request frame body
1132 * @ie_len: Length of ie buffer in octets
Dmitry Shmidt04949592012-07-19 12:16:46 -07001133 * Returns: value indicating the type and status of the probe request
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001134 */
Dmitry Shmidt04949592012-07-19 12:16:46 -07001135enum p2p_probe_req_status
1136p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
1137 const u8 *bssid, const u8 *ie, size_t ie_len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001138
1139/**
1140 * p2p_rx_action - Report received Action frame
1141 * @p2p: P2P module context from p2p_init()
1142 * @da: Destination address of the received Action frame
1143 * @sa: Source address of the received Action frame
1144 * @bssid: Address 3 of the received Action frame
1145 * @category: Category of the received Action frame
1146 * @data: Action frame body after the Category field
1147 * @len: Length of the data buffer in octets
1148 * @freq: Frequency (in MHz) on which the frame was received
1149 */
1150void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa,
1151 const u8 *bssid, u8 category,
1152 const u8 *data, size_t len, int freq);
1153
1154/**
1155 * p2p_scan_res_handler - Indicate a P2P scan results
1156 * @p2p: P2P module context from p2p_init()
1157 * @bssid: BSSID of the scan result
1158 * @freq: Frequency of the channel on which the device was found in MHz
1159 * @level: Signal level (signal strength of the received Beacon/Probe Response
1160 * frame)
1161 * @ies: Pointer to IEs from the scan result
1162 * @ies_len: Length of the ies buffer
1163 * Returns: 0 to continue or 1 to stop scan result indication
1164 *
1165 * This function is called to indicate a scan result entry with P2P IE from a
1166 * scan requested with struct p2p_config::p2p_scan(). This can be called during
1167 * the actual scan process (i.e., whenever a new device is found) or as a
1168 * sequence of calls after the full scan has been completed. The former option
1169 * can result in optimized operations, but may not be supported by all
1170 * driver/firmware designs. The ies buffer need to include at least the P2P IE,
1171 * but it is recommended to include all IEs received from the device. The
1172 * caller does not need to check that the IEs contain a P2P IE before calling
1173 * this function since frames will be filtered internally if needed.
1174 *
1175 * This function will return 1 if it wants to stop scan result iteration (and
1176 * scan in general if it is still in progress). This is used to allow faster
1177 * start of a pending operation, e.g., to start a pending GO negotiation.
1178 */
1179int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
1180 int level, const u8 *ies, size_t ies_len);
1181
1182/**
1183 * p2p_scan_res_handled - Indicate end of scan results
1184 * @p2p: P2P module context from p2p_init()
1185 *
1186 * This function is called to indicate that all P2P scan results from a scan
1187 * have been reported with zero or more calls to p2p_scan_res_handler(). This
1188 * function must be called as a response to successful
1189 * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler()
1190 * calls stopped iteration.
1191 */
1192void p2p_scan_res_handled(struct p2p_data *p2p);
1193
1194enum p2p_send_action_result {
1195 P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */,
1196 P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */,
1197 P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */
1198};
1199
1200/**
1201 * p2p_send_action_cb - Notify TX status of an Action frame
1202 * @p2p: P2P module context from p2p_init()
1203 * @freq: Channel frequency in MHz
1204 * @dst: Destination MAC address (Address 1)
1205 * @src: Source MAC address (Address 2)
1206 * @bssid: BSSID (Address 3)
1207 * @result: Result of the transmission attempt
1208 *
1209 * This function is used to indicate the result of an Action frame transmission
1210 * that was requested with struct p2p_config::send_action() callback.
1211 */
1212void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
1213 const u8 *src, const u8 *bssid,
1214 enum p2p_send_action_result result);
1215
1216/**
1217 * p2p_listen_cb - Indicate the start of a requested Listen state
1218 * @p2p: P2P module context from p2p_init()
1219 * @freq: Listen channel frequency in MHz
1220 * @duration: Duration for the Listen state in milliseconds
1221 *
1222 * This function is used to indicate that a Listen state requested with
1223 * struct p2p_config::start_listen() callback has started.
1224 */
1225void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq,
1226 unsigned int duration);
1227
1228/**
1229 * p2p_listen_end - Indicate the end of a requested Listen state
1230 * @p2p: P2P module context from p2p_init()
1231 * @freq: Listen channel frequency in MHz
1232 * Returns: 0 if no operations were started, 1 if an operation was started
1233 *
1234 * This function is used to indicate that a Listen state requested with
1235 * struct p2p_config::start_listen() callback has ended.
1236 */
1237int p2p_listen_end(struct p2p_data *p2p, unsigned int freq);
1238
1239void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1240 const u8 *ie, size_t ie_len);
1241
1242void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code,
1243 const u8 *ie, size_t ie_len);
1244
1245
1246/* Per-group P2P state for GO */
1247
1248struct p2p_group;
1249
1250/**
1251 * struct p2p_group_config - P2P group configuration
1252 *
1253 * This configuration is provided to the P2P module during initialization of
1254 * the per-group information with p2p_group_init().
1255 */
1256struct p2p_group_config {
1257 /**
1258 * persistent_group - Whether the group is persistent
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001259 * 0 = not a persistent group
1260 * 1 = persistent group without persistent reconnect
1261 * 2 = persistent group with persistent reconnect
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001262 */
1263 int persistent_group;
1264
1265 /**
1266 * interface_addr - P2P Interface Address of the group
1267 */
1268 u8 interface_addr[ETH_ALEN];
1269
1270 /**
1271 * max_clients - Maximum number of clients in the group
1272 */
1273 unsigned int max_clients;
1274
1275 /**
Dmitry Shmidt04949592012-07-19 12:16:46 -07001276 * ssid - Group SSID
1277 */
1278 u8 ssid[32];
1279
1280 /**
1281 * ssid_len - Length of SSID
1282 */
1283 size_t ssid_len;
1284
1285 /**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001286 * cb_ctx - Context to use with callback functions
1287 */
1288 void *cb_ctx;
1289
1290 /**
1291 * ie_update - Notification of IE update
1292 * @ctx: Callback context from cb_ctx
1293 * @beacon_ies: P2P IE for Beacon frames or %NULL if no change
1294 * @proberesp_ies: P2P Ie for Probe Response frames
1295 *
1296 * P2P module uses this callback function to notify whenever the P2P IE
1297 * in Beacon or Probe Response frames should be updated based on group
1298 * events.
1299 *
1300 * The callee is responsible for freeing the returned buffer(s) with
1301 * wpabuf_free().
1302 */
1303 void (*ie_update)(void *ctx, struct wpabuf *beacon_ies,
1304 struct wpabuf *proberesp_ies);
1305
1306 /**
1307 * idle_update - Notification of changes in group idle state
1308 * @ctx: Callback context from cb_ctx
1309 * @idle: Whether the group is idle (no associated stations)
1310 */
1311 void (*idle_update)(void *ctx, int idle);
1312};
1313
1314/**
1315 * p2p_group_init - Initialize P2P group
1316 * @p2p: P2P module context from p2p_init()
1317 * @config: P2P group configuration (will be freed by p2p_group_deinit())
1318 * Returns: Pointer to private data or %NULL on failure
1319 *
1320 * This function is used to initialize per-group P2P module context. Currently,
1321 * this is only used to manage GO functionality and P2P clients do not need to
1322 * create an instance of this per-group information.
1323 */
1324struct p2p_group * p2p_group_init(struct p2p_data *p2p,
1325 struct p2p_group_config *config);
1326
1327/**
1328 * p2p_group_deinit - Deinitialize P2P group
1329 * @group: P2P group context from p2p_group_init()
1330 */
1331void p2p_group_deinit(struct p2p_group *group);
1332
1333/**
1334 * p2p_group_notif_assoc - Notification of P2P client association with GO
1335 * @group: P2P group context from p2p_group_init()
1336 * @addr: Interface address of the P2P client
1337 * @ie: IEs from the (Re)association Request frame
1338 * @len: Length of the ie buffer in octets
1339 * Returns: 0 on success, -1 on failure
1340 */
1341int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr,
1342 const u8 *ie, size_t len);
1343
1344/**
1345 * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response
1346 * @group: P2P group context from p2p_group_init()
1347 * @status: Status value (P2P_SC_SUCCESS if association succeeded)
1348 * Returns: P2P IE for (Re)association Response or %NULL on failure
1349 *
1350 * The caller is responsible for freeing the returned buffer with
1351 * wpabuf_free().
1352 */
1353struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status);
1354
1355/**
1356 * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO
1357 * @group: P2P group context from p2p_group_init()
1358 * @addr: Interface address of the P2P client
1359 */
1360void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr);
1361
1362/**
1363 * p2p_group_notif_formation_done - Notification of completed group formation
1364 * @group: P2P group context from p2p_group_init()
1365 */
1366void p2p_group_notif_formation_done(struct p2p_group *group);
1367
1368/**
1369 * p2p_group_notif_noa - Notification of NoA change
1370 * @group: P2P group context from p2p_group_init()
1371 * @noa: Notice of Absence attribute payload, %NULL if none
1372 * @noa_len: Length of noa buffer in octets
1373 * Returns: 0 on success, -1 on failure
1374 *
1375 * Notify the P2P group management about a new NoA contents. This will be
1376 * inserted into the P2P IEs in Beacon and Probe Response frames with rest of
1377 * the group information.
1378 */
1379int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa,
1380 size_t noa_len);
1381
1382/**
1383 * p2p_group_match_dev_type - Match device types in group with requested type
1384 * @group: P2P group context from p2p_group_init()
1385 * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs)
1386 * Returns: 1 on match, 0 on mismatch
1387 *
1388 * This function can be used to match the Requested Device Type attribute in
1389 * WPS IE with the device types of a group member for deciding whether a GO
1390 * should reply to a Probe Request frame. Match will be reported if the WPS IE
1391 * is not requested any specific device type.
1392 */
1393int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps);
1394
1395/**
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001396 * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id
1397 */
1398int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p);
1399
1400/**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001401 * p2p_group_go_discover - Send GO Discoverability Request to a group client
1402 * @group: P2P group context from p2p_group_init()
1403 * Returns: 0 on success (frame scheduled); -1 if client was not found
1404 */
1405int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id,
1406 const u8 *searching_dev, int rx_freq);
1407
1408
1409/* Generic helper functions */
1410
1411/**
1412 * p2p_ie_text - Build text format description of P2P IE
1413 * @p2p_ie: P2P IE
1414 * @buf: Buffer for returning text
1415 * @end: Pointer to the end of the buf area
1416 * Returns: Number of octets written to the buffer or -1 on failure
1417 *
1418 * This function can be used to parse P2P IE contents into text format
1419 * field=value lines.
1420 */
1421int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end);
1422
1423/**
1424 * p2p_scan_result_text - Build text format description of P2P IE
1425 * @ies: Information elements from scan results
1426 * @ies_len: ies buffer length in octets
1427 * @buf: Buffer for returning text
1428 * @end: Pointer to the end of the buf area
1429 * Returns: Number of octets written to the buffer or -1 on failure
1430 *
1431 * This function can be used to parse P2P IE contents into text format
1432 * field=value lines.
1433 */
1434int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end);
1435
1436/**
Dmitry Shmidt04949592012-07-19 12:16:46 -07001437 * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated
1438 * P2P IE
1439 * @p2p_ie: P2P IE
1440 * @dev_addr: Buffer for returning P2P Device Address
1441 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1442 */
1443int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr);
1444
1445/**
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001446 * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s)
1447 * @ies: Information elements from scan results
1448 * @ies_len: ies buffer length in octets
1449 * @dev_addr: Buffer for returning P2P Device Address
1450 * Returns: 0 on success or -1 if P2P Device Address could not be parsed
1451 */
1452int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr);
1453
1454/**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001455 * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame
1456 * @p2p: P2P module context from p2p_init()
1457 * @bssid: BSSID
1458 * @buf: Buffer for writing the P2P IE
1459 * @len: Maximum buf length in octets
1460 * @p2p_group: Whether this is for association with a P2P GO
1461 * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none
1462 * Returns: Number of octets written into buf or -1 on failure
1463 */
1464int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf,
1465 size_t len, int p2p_group, struct wpabuf *p2p_ie);
1466
1467/**
1468 * p2p_scan_ie - Build P2P IE for Probe Request
1469 * @p2p: P2P module context from p2p_init()
1470 * @ies: Buffer for writing P2P IE
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001471 * @dev_id: Device ID to search for or %NULL for any
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001472 */
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001473void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001474
1475/**
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001476 * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie
1477 * @p2p: P2P module context from p2p_init()
1478 * Returns: Number of octets that p2p_scan_ie() may add to the buffer
1479 */
1480size_t p2p_scan_ie_buf_len(struct p2p_data *p2p);
1481
1482/**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001483 * p2p_go_params - Generate random P2P group parameters
1484 * @p2p: P2P module context from p2p_init()
1485 * @params: Buffer for parameters
1486 * Returns: 0 on success, -1 on failure
1487 */
1488int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params);
1489
1490/**
1491 * p2p_get_group_capab - Get Group Capability from P2P IE data
1492 * @p2p_ie: P2P IE(s) contents
1493 * Returns: Group Capability
1494 */
1495u8 p2p_get_group_capab(const struct wpabuf *p2p_ie);
1496
1497/**
1498 * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection
1499 * @p2p_ie: P2P IE(s) contents
1500 * Returns: 0 if cross connection is allow, 1 if not
1501 */
1502int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie);
1503
1504/**
1505 * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data
1506 * @p2p_ie: P2P IE(s) contents
1507 * Returns: Pointer to P2P Device Address or %NULL if not included
1508 */
1509const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie);
1510
1511/**
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001512 * p2p_get_peer_info - Get P2P peer information
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001513 * @p2p: P2P module context from p2p_init()
1514 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
1515 * @next: Whether to select the peer entry following the one indicated by addr
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001516 * Returns: Pointer to peer info or %NULL if not found
1517 */
1518const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p,
1519 const u8 *addr, int next);
1520
1521/**
1522 * p2p_get_peer_info_txt - Get internal P2P peer information in text format
1523 * @info: Pointer to P2P peer info from p2p_get_peer_info()
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001524 * @buf: Buffer for returning text
1525 * @buflen: Maximum buffer length
1526 * Returns: Number of octets written to the buffer or -1 on failure
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001527 *
1528 * Note: This information is internal to the P2P module and subject to change.
1529 * As such, this should not really be used by external programs for purposes
1530 * other than debugging.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001531 */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001532int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
1533 char *buf, size_t buflen);
1534
1535/**
1536 * p2p_peer_known - Check whether P2P peer is known
1537 * @p2p: P2P module context from p2p_init()
1538 * @addr: P2P Device Address of the peer
1539 * Returns: 1 if the specified device is in the P2P peer table or 0 if not
1540 */
1541int p2p_peer_known(struct p2p_data *p2p, const u8 *addr);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001542
1543/**
1544 * p2p_set_client_discoverability - Set client discoverability capability
1545 * @p2p: P2P module context from p2p_init()
1546 * @enabled: Whether client discoverability will be enabled
1547 *
1548 * This function can be used to disable (and re-enable) client discoverability.
1549 * This capability is enabled by default and should not be disabled in normal
1550 * use cases, i.e., this is mainly for testing purposes.
1551 */
1552void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled);
1553
1554/**
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001555 * p2p_set_managed_oper - Set managed P2P Device operations capability
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001556 * @p2p: P2P module context from p2p_init()
1557 * @enabled: Whether managed P2P Device operations will be enabled
1558 */
1559void p2p_set_managed_oper(struct p2p_data *p2p, int enabled);
1560
1561int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel);
1562
1563int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
1564
1565int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
1566 u8 *iface_addr);
1567int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr,
1568 u8 *dev_addr);
1569
1570void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr);
1571
1572/**
1573 * p2p_set_cross_connect - Set cross connection capability
1574 * @p2p: P2P module context from p2p_init()
1575 * @enabled: Whether cross connection will be enabled
1576 */
1577void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
1578
1579int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
1580
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001581/**
1582 * p2p_set_intra_bss_dist - Set intra BSS distribution
1583 * @p2p: P2P module context from p2p_init()
1584 * @enabled: Whether intra BSS distribution will be enabled
1585 */
1586void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled);
1587
1588/**
1589 * p2p_supported_freq - Check whether channel is supported for P2P
1590 * @p2p: P2P module context from p2p_init()
1591 * @freq: Channel frequency in MHz
1592 * Returns: 0 if channel not usable for P2P, 1 if usable for P2P
1593 */
1594int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq);
1595
1596void p2p_update_channel_list(struct p2p_data *p2p, struct p2p_channels *chan);
1597
1598/**
1599 * p2p_set_best_channels - Update best channel information
1600 * @p2p: P2P module context from p2p_init()
1601 * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band
1602 * @freq_5: Frequency (MHz) of best channel in 5 GHz band
1603 * @freq_overall: Frequency (MHz) of best channel overall
1604 */
1605void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
1606 int freq_overall);
1607
1608const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p);
1609
1610/**
1611 * p2p_get_group_num_members - Get number of members in group
1612 * @group: P2P group context from p2p_group_init()
1613 * Returns: Number of members in the group
1614 */
1615unsigned int p2p_get_group_num_members(struct p2p_group *group);
1616
1617/**
1618 * p2p_iterate_group_members - Iterate group members
1619 * @group: P2P group context from p2p_group_init()
1620 * @next: iteration pointer, must be a pointer to a void * that is set to %NULL
1621 * on the first call and not modified later
1622 * Returns: A P2P Interface Address for each call and %NULL for no more members
1623 */
1624const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next);
1625
1626/**
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001627 * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group
1628 * @group: P2P group context from p2p_group_init()
1629 * @addr: P2P Interface Address of the client
1630 * Returns: P2P Device Address of the client if found or %NULL if no match
1631 * found
1632 */
1633const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr);
1634
1635/**
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001636 * p2p_group_is_client_connected - Check whether a specific client is connected
1637 * @group: P2P group context from p2p_group_init()
1638 * @addr: P2P Device Address of the client
1639 * Returns: 1 if client is connected or 0 if not
1640 */
1641int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr);
1642
1643/**
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001644 * p2p_get_peer_found - Get P2P peer info structure of a found peer
1645 * @p2p: P2P module context from p2p_init()
1646 * @addr: P2P Device Address of the peer or %NULL to indicate the first peer
1647 * @next: Whether to select the peer entry following the one indicated by addr
1648 * Returns: The first P2P peer info available or %NULL if no such peer exists
1649 */
1650const struct p2p_peer_info *
1651p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next);
1652
1653/**
1654 * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions
1655 * @p2p: P2P module context from p2p_init()
1656 */
1657void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p);
1658
1659/**
1660 * p2p_add_wps_vendor_extension - Add a WPS vendor extension
1661 * @p2p: P2P module context from p2p_init()
1662 * @vendor_ext: The vendor extensions to add
1663 * Returns: 0 on success, -1 on failure
1664 *
1665 * The wpabuf structures in the array are owned by the P2P
1666 * module after this call.
1667 */
1668int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
1669 const struct wpabuf *vendor_ext);
1670
Jouni Malinen75ecf522011-06-27 15:19:46 -07001671/**
1672 * p2p_set_oper_channel - Set the P2P operating channel
1673 * @p2p: P2P module context from p2p_init()
1674 * @op_reg_class: Operating regulatory class to set
1675 * @op_channel: operating channel to set
1676 * @cfg_op_channel : Whether op_channel is hardcoded in configuration
1677 * Returns: 0 on success, -1 on failure
1678 */
1679int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel,
1680 int cfg_op_channel);
1681
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001682/**
Dmitry Shmidt04949592012-07-19 12:16:46 -07001683 * p2p_set_pref_chan - Set P2P preferred channel list
1684 * @p2p: P2P module context from p2p_init()
1685 * @num_pref_chan: Number of entries in pref_chan list
1686 * @pref_chan: Preferred channels or %NULL to remove preferences
1687 * Returns: 0 on success, -1 on failure
1688 */
1689int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan,
1690 const struct p2p_channel *pref_chan);
1691
1692/**
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001693 * p2p_in_progress - Check whether a P2P operation is progress
1694 * @p2p: P2P module context from p2p_init()
1695 * Returns: 0 if P2P module is idle or 1 if an operation is in progress
1696 */
1697int p2p_in_progress(struct p2p_data *p2p);
1698
1699#ifdef ANDROID_P2P
1700/**
Dmitry Shmidt2fb777c2012-05-02 12:29:53 -07001701 * p2p_search_in_progress - Check whether a P2P SEARCH is in progress
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001702 * @p2p: P2P module context from p2p_init()
1703 * Returns: 0 if P2P module is idle or 1 if an operation is in progress
1704 */
1705int p2p_search_in_progress(struct p2p_data *p2p);
Dmitry Shmidt2fb777c2012-05-02 12:29:53 -07001706
1707/**
1708 * p2p_search_pending - Check whether there is a deferred P2P SEARCH
1709 * @p2p: P2P module context from p2p_init()
1710 * Returns: 0 if there is no deferred P2P search or 1 if there is one
1711 */
1712int p2p_search_pending(struct p2p_data *p2p);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001713#endif
1714
1715/**
1716 * p2p_other_scan_completed - Notify completion of non-P2P scan
1717 * @p2p: P2P module context from p2p_init()
1718 * Returns: 0 if P2P module is idle or 1 if an operation was started
1719 */
1720int p2p_other_scan_completed(struct p2p_data *p2p);
1721
1722const char * p2p_wps_method_text(enum p2p_wps_method method);
1723
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001724#endif /* P2P_H */