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b22128ef JM |
1 | /* |
2 | * Wi-Fi Direct - P2P module | |
3 | * Copyright (c) 2009-2010, Atheros Communications | |
4 | * | |
e22d4d95 JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
b22128ef JM |
7 | */ |
8 | ||
9 | #ifndef P2P_H | |
10 | #define P2P_H | |
11 | ||
d9d1b952 | 12 | #include "common/ieee802_11_defs.h" |
db6ae69e JM |
13 | #include "wps/wps_defs.h" |
14 | ||
ae9d45f3 KV |
15 | /* P2P ASP Setup Capability */ |
16 | #define P2PS_SETUP_NONE 0 | |
17 | #define P2PS_SETUP_NEW BIT(0) | |
18 | #define P2PS_SETUP_CLIENT BIT(1) | |
19 | #define P2PS_SETUP_GROUP_OWNER BIT(2) | |
20 | ||
51775096 | 21 | #define P2PS_WILD_HASH_STR "org.wi-fi.wfds" |
60d11488 | 22 | #define P2PS_HASH_LEN 6 |
51775096 | 23 | #define P2P_MAX_QUERY_HASH 6 |
60d11488 | 24 | |
b22128ef JM |
25 | /** |
26 | * P2P_MAX_REG_CLASSES - Maximum number of regulatory classes | |
27 | */ | |
28 | #define P2P_MAX_REG_CLASSES 10 | |
29 | ||
30 | /** | |
31 | * P2P_MAX_REG_CLASS_CHANNELS - Maximum number of channels per regulatory class | |
32 | */ | |
33 | #define P2P_MAX_REG_CLASS_CHANNELS 20 | |
34 | ||
35 | /** | |
36 | * struct p2p_channels - List of supported channels | |
37 | */ | |
38 | struct p2p_channels { | |
39 | /** | |
40 | * struct p2p_reg_class - Supported regulatory class | |
41 | */ | |
42 | struct p2p_reg_class { | |
43 | /** | |
44 | * reg_class - Regulatory class (IEEE 802.11-2007, Annex J) | |
45 | */ | |
46 | u8 reg_class; | |
47 | ||
48 | /** | |
49 | * channel - Supported channels | |
50 | */ | |
51 | u8 channel[P2P_MAX_REG_CLASS_CHANNELS]; | |
52 | ||
53 | /** | |
54 | * channels - Number of channel entries in use | |
55 | */ | |
56 | size_t channels; | |
57 | } reg_class[P2P_MAX_REG_CLASSES]; | |
58 | ||
59 | /** | |
60 | * reg_classes - Number of reg_class entries in use | |
61 | */ | |
62 | size_t reg_classes; | |
63 | }; | |
64 | ||
65 | enum p2p_wps_method { | |
4f88fc04 BG |
66 | WPS_NOT_READY, WPS_PIN_DISPLAY, WPS_PIN_KEYPAD, WPS_PBC, WPS_NFC, |
67 | WPS_P2PS | |
b22128ef JM |
68 | }; |
69 | ||
70 | /** | |
71 | * struct p2p_go_neg_results - P2P Group Owner Negotiation results | |
72 | */ | |
73 | struct p2p_go_neg_results { | |
74 | /** | |
75 | * status - Negotiation result (Status Code) | |
76 | * | |
77 | * 0 (P2P_SC_SUCCESS) indicates success. Non-zero values indicate | |
78 | * failed negotiation. | |
79 | */ | |
80 | int status; | |
81 | ||
82 | /** | |
83 | * role_go - Whether local end is Group Owner | |
84 | */ | |
85 | int role_go; | |
86 | ||
87 | /** | |
88 | * freq - Frequency of the group operational channel in MHz | |
89 | */ | |
90 | int freq; | |
91 | ||
7aeac985 RM |
92 | int ht40; |
93 | ||
20ea1ca4 EP |
94 | int vht; |
95 | ||
b22128ef JM |
96 | /** |
97 | * ssid - SSID of the group | |
98 | */ | |
d9d1b952 | 99 | u8 ssid[SSID_MAX_LEN]; |
b22128ef JM |
100 | |
101 | /** | |
102 | * ssid_len - Length of SSID in octets | |
103 | */ | |
104 | size_t ssid_len; | |
105 | ||
30c371e8 MH |
106 | /** |
107 | * psk - WPA pre-shared key (256 bits) (GO only) | |
108 | */ | |
109 | u8 psk[32]; | |
110 | ||
111 | /** | |
112 | * psk_set - Whether PSK field is configured (GO only) | |
113 | */ | |
114 | int psk_set; | |
115 | ||
b22128ef JM |
116 | /** |
117 | * passphrase - WPA2-Personal passphrase for the group (GO only) | |
118 | */ | |
119 | char passphrase[64]; | |
120 | ||
121 | /** | |
122 | * peer_device_addr - P2P Device Address of the peer | |
123 | */ | |
124 | u8 peer_device_addr[ETH_ALEN]; | |
125 | ||
126 | /** | |
127 | * peer_interface_addr - P2P Interface Address of the peer | |
128 | */ | |
129 | u8 peer_interface_addr[ETH_ALEN]; | |
130 | ||
131 | /** | |
132 | * wps_method - WPS method to be used during provisioning | |
133 | */ | |
134 | enum p2p_wps_method wps_method; | |
135 | ||
136 | #define P2P_MAX_CHANNELS 50 | |
137 | ||
138 | /** | |
139 | * freq_list - Zero-terminated list of possible operational channels | |
140 | */ | |
141 | int freq_list[P2P_MAX_CHANNELS]; | |
142 | ||
143 | /** | |
144 | * persistent_group - Whether the group should be made persistent | |
acc247b2 JM |
145 | * 0 = not persistent |
146 | * 1 = persistent group without persistent reconnect | |
147 | * 2 = persistent group with persistent reconnect | |
b22128ef JM |
148 | */ |
149 | int persistent_group; | |
ae3e3421 JM |
150 | |
151 | /** | |
152 | * peer_config_timeout - Peer configuration timeout (in 10 msec units) | |
153 | */ | |
154 | unsigned int peer_config_timeout; | |
b22128ef JM |
155 | }; |
156 | ||
369678ad KV |
157 | struct p2ps_provision { |
158 | /** | |
159 | * status - Remote returned provisioning status code | |
160 | */ | |
161 | int status; | |
162 | ||
163 | /** | |
164 | * adv_id - P2PS Advertisement ID | |
165 | */ | |
166 | u32 adv_id; | |
167 | ||
168 | /** | |
169 | * session_id - P2PS Session ID | |
170 | */ | |
171 | u32 session_id; | |
172 | ||
173 | /** | |
174 | * method - WPS Method (to be) used to establish session | |
175 | */ | |
176 | u16 method; | |
177 | ||
178 | /** | |
179 | * conncap - Connection Capabilities negotiated between P2P peers | |
180 | */ | |
181 | u8 conncap; | |
182 | ||
183 | /** | |
184 | * role - Info about the roles to be used for this connection | |
185 | */ | |
186 | u8 role; | |
187 | ||
188 | /** | |
189 | * session_mac - MAC address of the peer that started the session | |
190 | */ | |
191 | u8 session_mac[ETH_ALEN]; | |
192 | ||
193 | /** | |
194 | * adv_mac - MAC address of the peer advertised the service | |
195 | */ | |
196 | u8 adv_mac[ETH_ALEN]; | |
197 | ||
198 | /** | |
199 | * info - Vendor defined extra Provisioning information | |
200 | */ | |
201 | char info[0]; | |
202 | }; | |
203 | ||
ae9d45f3 KV |
204 | struct p2ps_advertisement { |
205 | struct p2ps_advertisement *next; | |
206 | ||
207 | /** | |
208 | * svc_info - Pointer to (internal) Service defined information | |
209 | */ | |
210 | char *svc_info; | |
211 | ||
212 | /** | |
213 | * id - P2PS Advertisement ID | |
214 | */ | |
215 | u32 id; | |
216 | ||
217 | /** | |
218 | * config_methods - WPS Methods which are allowed for this service | |
219 | */ | |
220 | u16 config_methods; | |
221 | ||
222 | /** | |
223 | * state - Current state of the service: 0 - Out Of Service, 1-255 Vendor defined | |
224 | */ | |
225 | u8 state; | |
226 | ||
227 | /** | |
228 | * auto_accept - Automatically Accept provisioning request if possible. | |
229 | */ | |
230 | u8 auto_accept; | |
231 | ||
232 | /** | |
233 | * hash - 6 octet Service Name has to match against incoming Probe Requests | |
234 | */ | |
235 | u8 hash[P2PS_HASH_LEN]; | |
236 | ||
237 | /** | |
238 | * svc_name - NULL Terminated UTF-8 Service Name, and svc_info storage | |
239 | */ | |
240 | char svc_name[0]; | |
241 | }; | |
242 | ||
243 | ||
b22128ef JM |
244 | struct p2p_data; |
245 | ||
246 | enum p2p_scan_type { | |
247 | P2P_SCAN_SOCIAL, | |
248 | P2P_SCAN_FULL, | |
eb78a8d5 | 249 | P2P_SCAN_SPECIFIC, |
b22128ef JM |
250 | P2P_SCAN_SOCIAL_PLUS_ONE |
251 | }; | |
252 | ||
10c5d2a5 JM |
253 | #define P2P_MAX_WPS_VENDOR_EXT 10 |
254 | ||
c5db8e51 KRK |
255 | /** |
256 | * struct p2p_peer_info - P2P peer information | |
c5db8e51 KRK |
257 | */ |
258 | struct p2p_peer_info { | |
259 | /** | |
260 | * p2p_device_addr - P2P Device Address of the peer | |
261 | */ | |
262 | u8 p2p_device_addr[ETH_ALEN]; | |
263 | ||
264 | /** | |
265 | * pri_dev_type - Primary Device Type | |
266 | */ | |
267 | u8 pri_dev_type[8]; | |
268 | ||
269 | /** | |
b67d0d9e | 270 | * device_name - Device Name (0..32 octets encoded in UTF-8) |
c5db8e51 | 271 | */ |
cc6f2438 | 272 | char device_name[WPS_DEV_NAME_MAX_LEN + 1]; |
c5db8e51 | 273 | |
b67d0d9e JM |
274 | /** |
275 | * manufacturer - Manufacturer (0..64 octets encoded in UTF-8) | |
276 | */ | |
277 | char manufacturer[65]; | |
278 | ||
279 | /** | |
280 | * model_name - Model Name (0..32 octets encoded in UTF-8) | |
281 | */ | |
282 | char model_name[33]; | |
283 | ||
284 | /** | |
285 | * model_number - Model Number (0..32 octets encoded in UTF-8) | |
286 | */ | |
287 | char model_number[33]; | |
288 | ||
289 | /** | |
290 | * serial_number - Serial Number (0..32 octets encoded in UTF-8) | |
291 | */ | |
292 | char serial_number[33]; | |
293 | ||
6402fc43 JS |
294 | /** |
295 | * level - Signal level | |
296 | */ | |
297 | int level; | |
298 | ||
c5db8e51 KRK |
299 | /** |
300 | * config_methods - WPS Configuration Methods | |
301 | */ | |
302 | u16 config_methods; | |
303 | ||
304 | /** | |
305 | * dev_capab - Device Capabilities | |
306 | */ | |
307 | u8 dev_capab; | |
308 | ||
309 | /** | |
310 | * group_capab - Group Capabilities | |
311 | */ | |
312 | u8 group_capab; | |
e57ae6e1 JMB |
313 | |
314 | /** | |
315 | * wps_sec_dev_type_list - WPS secondary device type list | |
316 | * | |
317 | * This list includes from 0 to 16 Secondary Device Types as indicated | |
318 | * by wps_sec_dev_type_list_len (8 * number of types). | |
319 | */ | |
320 | u8 wps_sec_dev_type_list[128]; | |
321 | ||
322 | /** | |
323 | * wps_sec_dev_type_list_len - Length of secondary device type list | |
324 | */ | |
325 | size_t wps_sec_dev_type_list_len; | |
326 | ||
10c5d2a5 | 327 | struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]; |
9675ce35 JM |
328 | |
329 | /** | |
330 | * wfd_subelems - Wi-Fi Display subelements from WFD IE(s) | |
331 | */ | |
332 | struct wpabuf *wfd_subelems; | |
71a0e395 JM |
333 | |
334 | /** | |
335 | * vendor_elems - Unrecognized vendor elements | |
336 | * | |
337 | * This buffer includes any other vendor element than P2P, WPS, and WFD | |
338 | * IE(s) from the frame that was used to discover the peer. | |
339 | */ | |
340 | struct wpabuf *vendor_elems; | |
095b3c40 BG |
341 | |
342 | /** | |
343 | * p2ps_instance - P2PS Application Service Info | |
344 | */ | |
345 | struct wpabuf *p2ps_instance; | |
c5db8e51 KRK |
346 | }; |
347 | ||
349b213c JS |
348 | enum p2p_prov_disc_status { |
349 | P2P_PROV_DISC_SUCCESS, | |
350 | P2P_PROV_DISC_TIMEOUT, | |
351 | P2P_PROV_DISC_REJECTED, | |
175171ac | 352 | P2P_PROV_DISC_TIMEOUT_JOIN, |
9e96e464 | 353 | P2P_PROV_DISC_INFO_UNAVAILABLE, |
349b213c JS |
354 | }; |
355 | ||
21d996f7 JM |
356 | struct p2p_channel { |
357 | u8 op_class; | |
358 | u8 chan; | |
359 | }; | |
360 | ||
b22128ef JM |
361 | /** |
362 | * struct p2p_config - P2P configuration | |
363 | * | |
364 | * This configuration is provided to the P2P module during initialization with | |
365 | * p2p_init(). | |
366 | */ | |
367 | struct p2p_config { | |
368 | /** | |
369 | * country - Country code to use in P2P operations | |
370 | */ | |
371 | char country[3]; | |
372 | ||
373 | /** | |
374 | * reg_class - Regulatory class for own listen channel | |
375 | */ | |
376 | u8 reg_class; | |
377 | ||
378 | /** | |
379 | * channel - Own listen channel | |
380 | */ | |
381 | u8 channel; | |
382 | ||
e3bd6e9d IP |
383 | /** |
384 | * channel_forced - the listen channel was forced by configuration | |
385 | * or by control interface and cannot be overridden | |
386 | */ | |
387 | u8 channel_forced; | |
388 | ||
b22128ef JM |
389 | /** |
390 | * Regulatory class for own operational channel | |
391 | */ | |
392 | u8 op_reg_class; | |
393 | ||
394 | /** | |
395 | * op_channel - Own operational channel | |
396 | */ | |
397 | u8 op_channel; | |
398 | ||
7cfc4ac3 AGS |
399 | /** |
400 | * cfg_op_channel - Whether op_channel is hardcoded in configuration | |
401 | */ | |
402 | u8 cfg_op_channel; | |
403 | ||
b22128ef JM |
404 | /** |
405 | * channels - Own supported regulatory classes and channels | |
406 | * | |
407 | * List of supposerted channels per regulatory class. The regulatory | |
408 | * classes are defined in IEEE Std 802.11-2007 Annex J and the | |
409 | * numbering of the clases depends on the configured country code. | |
410 | */ | |
411 | struct p2p_channels channels; | |
412 | ||
51e9f228 JM |
413 | /** |
414 | * cli_channels - Additional client channels | |
415 | * | |
416 | * This list of channels (if any) will be used when advertising local | |
417 | * channels during GO Negotiation or Invitation for the cases where the | |
418 | * local end may become the client. This may allow the peer to become a | |
419 | * GO on additional channels if it supports these options. The main use | |
420 | * case for this is to include passive-scan channels on devices that may | |
421 | * not know their current location and have configured most channels to | |
422 | * not allow initiation of radition (i.e., another device needs to take | |
423 | * master responsibilities). | |
424 | */ | |
425 | struct p2p_channels cli_channels; | |
426 | ||
21d996f7 JM |
427 | /** |
428 | * num_pref_chan - Number of pref_chan entries | |
429 | */ | |
430 | unsigned int num_pref_chan; | |
431 | ||
432 | /** | |
433 | * pref_chan - Preferred channels for GO Negotiation | |
434 | */ | |
435 | struct p2p_channel *pref_chan; | |
436 | ||
b22128ef JM |
437 | /** |
438 | * pri_dev_type - Primary Device Type (see WPS) | |
439 | */ | |
440 | u8 pri_dev_type[8]; | |
441 | ||
442 | /** | |
443 | * P2P_SEC_DEVICE_TYPES - Maximum number of secondary device types | |
444 | */ | |
445 | #define P2P_SEC_DEVICE_TYPES 5 | |
446 | ||
447 | /** | |
448 | * sec_dev_type - Optional secondary device types | |
449 | */ | |
450 | u8 sec_dev_type[P2P_SEC_DEVICE_TYPES][8]; | |
451 | ||
b6e01800 JM |
452 | /** |
453 | * num_sec_dev_types - Number of sec_dev_type entries | |
454 | */ | |
455 | size_t num_sec_dev_types; | |
456 | ||
b22128ef JM |
457 | /** |
458 | * dev_addr - P2P Device Address | |
459 | */ | |
460 | u8 dev_addr[ETH_ALEN]; | |
461 | ||
462 | /** | |
463 | * dev_name - Device Name | |
464 | */ | |
465 | char *dev_name; | |
466 | ||
b6e01800 JM |
467 | char *manufacturer; |
468 | char *model_name; | |
469 | char *model_number; | |
470 | char *serial_number; | |
471 | ||
472 | u8 uuid[16]; | |
473 | u16 config_methods; | |
b22128ef JM |
474 | |
475 | /** | |
476 | * concurrent_operations - Whether concurrent operations are supported | |
477 | */ | |
478 | int concurrent_operations; | |
479 | ||
480 | /** | |
481 | * max_peers - Maximum number of discovered peers to remember | |
482 | * | |
483 | * If more peers are discovered, older entries will be removed to make | |
484 | * room for the new ones. | |
485 | */ | |
486 | size_t max_peers; | |
487 | ||
0f66abd2 SS |
488 | /** |
489 | * p2p_intra_bss - Intra BSS communication is supported | |
490 | */ | |
491 | int p2p_intra_bss; | |
492 | ||
b22128ef JM |
493 | /** |
494 | * ssid_postfix - Postfix data to add to the SSID | |
495 | * | |
496 | * This data will be added to the end of the SSID after the | |
497 | * DIRECT-<random two octets> prefix. | |
498 | */ | |
d9d1b952 | 499 | u8 ssid_postfix[SSID_MAX_LEN - 9]; |
b22128ef JM |
500 | |
501 | /** | |
502 | * ssid_postfix_len - Length of the ssid_postfix data | |
503 | */ | |
504 | size_t ssid_postfix_len; | |
505 | ||
96beff11 JM |
506 | /** |
507 | * max_listen - Maximum listen duration in ms | |
508 | */ | |
509 | unsigned int max_listen; | |
510 | ||
1b928f96 JM |
511 | /** |
512 | * passphrase_len - Passphrase length (8..63) | |
513 | * | |
514 | * This parameter controls the length of the random passphrase that is | |
515 | * generated at the GO. | |
516 | */ | |
517 | unsigned int passphrase_len; | |
518 | ||
b22128ef | 519 | /** |
ed496f13 | 520 | * cb_ctx - Context to use with callback functions |
b22128ef | 521 | */ |
ed496f13 | 522 | void *cb_ctx; |
b22128ef JM |
523 | |
524 | /** | |
ed496f13 JM |
525 | * debug_print - Debug print |
526 | * @ctx: Callback context from cb_ctx | |
527 | * @level: Debug verbosity level (MSG_*) | |
528 | * @msg: Debug message | |
b22128ef | 529 | */ |
ed496f13 | 530 | void (*debug_print)(void *ctx, int level, const char *msg); |
b22128ef JM |
531 | |
532 | ||
533 | /* Callbacks to request lower layer driver operations */ | |
534 | ||
535 | /** | |
536 | * p2p_scan - Request a P2P scan/search | |
537 | * @ctx: Callback context from cb_ctx | |
538 | * @type: Scan type | |
539 | * @freq: Specific frequency (MHz) to scan or 0 for no restriction | |
046ef4aa JMB |
540 | * @num_req_dev_types: Number of requested device types |
541 | * @req_dev_types: Array containing requested device types | |
6d92fa6e | 542 | * @dev_id: Device ID to search for or %NULL to find all devices |
360182ed | 543 | * @pw_id: Device Password ID |
b22128ef JM |
544 | * Returns: 0 on success, -1 on failure |
545 | * | |
546 | * This callback function is used to request a P2P scan or search | |
547 | * operation to be completed. Type type argument specifies which type | |
548 | * of scan is to be done. @P2P_SCAN_SOCIAL indicates that only the | |
549 | * social channels (1, 6, 11) should be scanned. @P2P_SCAN_FULL | |
eb78a8d5 DU |
550 | * indicates that all channels are to be scanned. @P2P_SCAN_SPECIFIC |
551 | * request a scan of a single channel specified by freq. | |
b22128ef JM |
552 | * @P2P_SCAN_SOCIAL_PLUS_ONE request scan of all the social channels |
553 | * plus one extra channel specified by freq. | |
554 | * | |
555 | * The full scan is used for the initial scan to find group owners from | |
556 | * all. The other types are used during search phase scan of the social | |
557 | * channels (with potential variation if the Listen channel of the | |
558 | * target peer is known or if other channels are scanned in steps). | |
559 | * | |
560 | * The scan results are returned after this call by calling | |
561 | * p2p_scan_res_handler() for each scan result that has a P2P IE and | |
562 | * then calling p2p_scan_res_handled() to indicate that all scan | |
563 | * results have been indicated. | |
564 | */ | |
046ef4aa JMB |
565 | int (*p2p_scan)(void *ctx, enum p2p_scan_type type, int freq, |
566 | unsigned int num_req_dev_types, | |
360182ed | 567 | const u8 *req_dev_types, const u8 *dev_id, u16 pw_id); |
b22128ef JM |
568 | |
569 | /** | |
570 | * send_probe_resp - Transmit a Probe Response frame | |
571 | * @ctx: Callback context from cb_ctx | |
572 | * @buf: Probe Response frame (including the header and body) | |
573 | * Returns: 0 on success, -1 on failure | |
574 | * | |
575 | * This function is used to reply to Probe Request frames that were | |
576 | * indicated with a call to p2p_probe_req_rx(). The response is to be | |
577 | * sent on the same channel or to be dropped if the driver is not | |
578 | * anymore listening to Probe Request frames. | |
579 | * | |
580 | * Alternatively, the responsibility for building the Probe Response | |
581 | * frames in Listen state may be in another system component in which | |
582 | * case this function need to be implemented (i.e., the function | |
583 | * pointer can be %NULL). The WPS and P2P IEs to be added for Probe | |
584 | * Response frames in such a case are available from the | |
585 | * start_listen() callback. It should be noted that the received Probe | |
586 | * Request frames must be indicated by calling p2p_probe_req_rx() even | |
587 | * if this send_probe_resp() is not used. | |
588 | */ | |
589 | int (*send_probe_resp)(void *ctx, const struct wpabuf *buf); | |
590 | ||
591 | /** | |
592 | * send_action - Transmit an Action frame | |
593 | * @ctx: Callback context from cb_ctx | |
594 | * @freq: Frequency in MHz for the channel on which to transmit | |
595 | * @dst: Destination MAC address (Address 1) | |
596 | * @src: Source MAC address (Address 2) | |
597 | * @bssid: BSSID (Address 3) | |
598 | * @buf: Frame body (starting from Category field) | |
599 | * @len: Length of buf in octets | |
600 | * @wait_time: How many msec to wait for a response frame | |
601 | * Returns: 0 on success, -1 on failure | |
602 | * | |
603 | * The Action frame may not be transmitted immediately and the status | |
604 | * of the transmission must be reported by calling | |
605 | * p2p_send_action_cb() once the frame has either been transmitted or | |
606 | * it has been dropped due to excessive retries or other failure to | |
607 | * transmit. | |
608 | */ | |
609 | int (*send_action)(void *ctx, unsigned int freq, const u8 *dst, | |
610 | const u8 *src, const u8 *bssid, const u8 *buf, | |
611 | size_t len, unsigned int wait_time); | |
612 | ||
613 | /** | |
614 | * send_action_done - Notify that Action frame sequence was completed | |
615 | * @ctx: Callback context from cb_ctx | |
616 | * | |
617 | * This function is called when the Action frame sequence that was | |
618 | * started with send_action() has been completed, i.e., when there is | |
619 | * no need to wait for a response from the destination peer anymore. | |
620 | */ | |
621 | void (*send_action_done)(void *ctx); | |
622 | ||
623 | /** | |
624 | * start_listen - Start Listen state | |
625 | * @ctx: Callback context from cb_ctx | |
626 | * @freq: Frequency of the listen channel in MHz | |
627 | * @duration: Duration for the Listen state in milliseconds | |
628 | * @probe_resp_ie: IE(s) to be added to Probe Response frames | |
629 | * Returns: 0 on success, -1 on failure | |
630 | * | |
631 | * This Listen state may not start immediately since the driver may | |
632 | * have other pending operations to complete first. Once the Listen | |
633 | * state has started, p2p_listen_cb() must be called to notify the P2P | |
634 | * module. Once the Listen state is stopped, p2p_listen_end() must be | |
635 | * called to notify the P2P module that the driver is not in the Listen | |
636 | * state anymore. | |
637 | * | |
638 | * If the send_probe_resp() is not used for generating the response, | |
639 | * the IEs from probe_resp_ie need to be added to the end of the Probe | |
640 | * Response frame body. If send_probe_resp() is used, the probe_resp_ie | |
641 | * information can be ignored. | |
642 | */ | |
643 | int (*start_listen)(void *ctx, unsigned int freq, | |
644 | unsigned int duration, | |
645 | const struct wpabuf *probe_resp_ie); | |
646 | /** | |
647 | * stop_listen - Stop Listen state | |
648 | * @ctx: Callback context from cb_ctx | |
649 | * | |
650 | * This callback can be used to stop a Listen state operation that was | |
651 | * previously requested with start_listen(). | |
652 | */ | |
653 | void (*stop_listen)(void *ctx); | |
654 | ||
655 | /** | |
656 | * get_noa - Get current Notice of Absence attribute payload | |
657 | * @ctx: Callback context from cb_ctx | |
658 | * @interface_addr: P2P Interface Address of the GO | |
659 | * @buf: Buffer for returning NoA | |
660 | * @buf_len: Buffer length in octets | |
661 | * Returns: Number of octets used in buf, 0 to indicate no NoA is being | |
662 | * advertized, or -1 on failure | |
663 | * | |
664 | * This function is used to fetch the current Notice of Absence | |
665 | * attribute value from GO. | |
666 | */ | |
667 | int (*get_noa)(void *ctx, const u8 *interface_addr, u8 *buf, | |
668 | size_t buf_len); | |
669 | ||
670 | /* Callbacks to notify events to upper layer management entity */ | |
671 | ||
672 | /** | |
673 | * dev_found - Notification of a found P2P Device | |
674 | * @ctx: Callback context from cb_ctx | |
675 | * @addr: Source address of the message triggering this notification | |
c5db8e51 | 676 | * @info: P2P peer information |
8fd7dc1b | 677 | * @new_device: Inform if the peer is newly found |
b22128ef JM |
678 | * |
679 | * This callback is used to notify that a new P2P Device has been | |
680 | * found. This may happen, e.g., during Search state based on scan | |
681 | * results or during Listen state based on receive Probe Request and | |
682 | * Group Owner Negotiation Request. | |
683 | */ | |
c5db8e51 | 684 | void (*dev_found)(void *ctx, const u8 *addr, |
8fd7dc1b JB |
685 | const struct p2p_peer_info *info, |
686 | int new_device); | |
b22128ef | 687 | |
56eeb8f2 JB |
688 | /** |
689 | * dev_lost - Notification of a lost P2P Device | |
690 | * @ctx: Callback context from cb_ctx | |
691 | * @dev_addr: P2P Device Address of the lost P2P Device | |
692 | * | |
693 | * This callback is used to notify that a P2P Device has been deleted. | |
694 | */ | |
695 | void (*dev_lost)(void *ctx, const u8 *dev_addr); | |
696 | ||
710ae9ac JM |
697 | /** |
698 | * find_stopped - Notification of a p2p_find operation stopping | |
699 | * @ctx: Callback context from cb_ctx | |
700 | */ | |
701 | void (*find_stopped)(void *ctx); | |
702 | ||
b22128ef JM |
703 | /** |
704 | * go_neg_req_rx - Notification of a receive GO Negotiation Request | |
705 | * @ctx: Callback context from cb_ctx | |
706 | * @src: Source address of the message triggering this notification | |
3dfda83d | 707 | * @dev_passwd_id: WPS Device Password ID |
b22128ef JM |
708 | * |
709 | * This callback is used to notify that a P2P Device is requesting | |
710 | * group owner negotiation with us, but we do not have all the | |
711 | * necessary information to start GO Negotiation. This indicates that | |
712 | * the local user has not authorized the connection yet by providing a | |
713 | * PIN or PBC button press. This information can be provided with a | |
714 | * call to p2p_connect(). | |
715 | */ | |
3dfda83d | 716 | void (*go_neg_req_rx)(void *ctx, const u8 *src, u16 dev_passwd_id); |
b22128ef JM |
717 | |
718 | /** | |
719 | * go_neg_completed - Notification of GO Negotiation results | |
720 | * @ctx: Callback context from cb_ctx | |
721 | * @res: GO Negotiation results | |
722 | * | |
723 | * This callback is used to notify that Group Owner Negotiation has | |
724 | * been completed. Non-zero struct p2p_go_neg_results::status indicates | |
725 | * failed negotiation. In case of success, this function is responsible | |
726 | * for creating a new group interface (or using the existing interface | |
727 | * depending on driver features), setting up the group interface in | |
728 | * proper mode based on struct p2p_go_neg_results::role_go and | |
729 | * initializing WPS provisioning either as a Registrar (if GO) or as an | |
730 | * Enrollee. Successful WPS provisioning must be indicated by calling | |
731 | * p2p_wps_success_cb(). The callee is responsible for timing out group | |
732 | * formation if WPS provisioning cannot be completed successfully | |
733 | * within 15 seconds. | |
734 | */ | |
735 | void (*go_neg_completed)(void *ctx, struct p2p_go_neg_results *res); | |
736 | ||
737 | /** | |
738 | * sd_request - Callback on Service Discovery Request | |
739 | * @ctx: Callback context from cb_ctx | |
740 | * @freq: Frequency (in MHz) of the channel | |
741 | * @sa: Source address of the request | |
742 | * @dialog_token: Dialog token | |
743 | * @update_indic: Service Update Indicator from the source of request | |
744 | * @tlvs: P2P Service Request TLV(s) | |
745 | * @tlvs_len: Length of tlvs buffer in octets | |
746 | * | |
747 | * This callback is used to indicate reception of a service discovery | |
748 | * request. Response to the query must be indicated by calling | |
749 | * p2p_sd_response() with the context information from the arguments to | |
750 | * this callback function. | |
751 | * | |
752 | * This callback handler can be set to %NULL to indicate that service | |
753 | * discovery is not supported. | |
754 | */ | |
755 | void (*sd_request)(void *ctx, int freq, const u8 *sa, u8 dialog_token, | |
756 | u16 update_indic, const u8 *tlvs, size_t tlvs_len); | |
757 | ||
758 | /** | |
759 | * sd_response - Callback on Service Discovery Response | |
760 | * @ctx: Callback context from cb_ctx | |
761 | * @sa: Source address of the request | |
762 | * @update_indic: Service Update Indicator from the source of response | |
763 | * @tlvs: P2P Service Response TLV(s) | |
764 | * @tlvs_len: Length of tlvs buffer in octets | |
765 | * | |
766 | * This callback is used to indicate reception of a service discovery | |
767 | * response. This callback handler can be set to %NULL if no service | |
768 | * discovery requests are used. The information provided with this call | |
769 | * is replies to the queries scheduled with p2p_sd_request(). | |
770 | */ | |
771 | void (*sd_response)(void *ctx, const u8 *sa, u16 update_indic, | |
772 | const u8 *tlvs, size_t tlvs_len); | |
773 | ||
774 | /** | |
775 | * prov_disc_req - Callback on Provisiong Discovery Request | |
776 | * @ctx: Callback context from cb_ctx | |
777 | * @peer: Source address of the request | |
778 | * @config_methods: Requested WPS Config Method | |
779 | * @dev_addr: P2P Device Address of the found P2P Device | |
780 | * @pri_dev_type: Primary Device Type | |
781 | * @dev_name: Device Name | |
782 | * @supp_config_methods: Supported configuration Methods | |
783 | * @dev_capab: Device Capabilities | |
784 | * @group_capab: Group Capabilities | |
c3f42784 JM |
785 | * @group_id: P2P Group ID (or %NULL if not included) |
786 | * @group_id_len: Length of P2P Group ID | |
b22128ef JM |
787 | * |
788 | * This callback is used to indicate reception of a Provision Discovery | |
789 | * Request frame that the P2P module accepted. | |
790 | */ | |
791 | void (*prov_disc_req)(void *ctx, const u8 *peer, u16 config_methods, | |
792 | const u8 *dev_addr, const u8 *pri_dev_type, | |
793 | const char *dev_name, u16 supp_config_methods, | |
c3f42784 JM |
794 | u8 dev_capab, u8 group_capab, |
795 | const u8 *group_id, size_t group_id_len); | |
b22128ef JM |
796 | |
797 | /** | |
798 | * prov_disc_resp - Callback on Provisiong Discovery Response | |
799 | * @ctx: Callback context from cb_ctx | |
800 | * @peer: Source address of the response | |
801 | * @config_methods: Value from p2p_prov_disc_req() or 0 on failure | |
802 | * | |
803 | * This callback is used to indicate reception of a Provision Discovery | |
804 | * Response frame for a pending request scheduled with | |
805 | * p2p_prov_disc_req(). This callback handler can be set to %NULL if | |
806 | * provision discovery is not used. | |
807 | */ | |
808 | void (*prov_disc_resp)(void *ctx, const u8 *peer, u16 config_methods); | |
809 | ||
349b213c JS |
810 | /** |
811 | * prov_disc_fail - Callback on Provision Discovery failure | |
812 | * @ctx: Callback context from cb_ctx | |
813 | * @peer: Source address of the response | |
814 | * @status: Cause of failure, will not be %P2P_PROV_DISC_SUCCESS | |
ab8ee776 KV |
815 | * @adv_id: If non-zero, then the adv_id of the PD Request |
816 | * @adv_mac: P2P Device Address of the advertizer | |
817 | * @deferred_session_resp: Deferred session response sent by advertizer | |
349b213c JS |
818 | * |
819 | * This callback is used to indicate either a failure or no response | |
820 | * to an earlier provision discovery request. | |
821 | * | |
822 | * This callback handler can be set to %NULL if provision discovery | |
823 | * is not used or failures do not need to be indicated. | |
824 | */ | |
825 | void (*prov_disc_fail)(void *ctx, const u8 *peer, | |
ab8ee776 KV |
826 | enum p2p_prov_disc_status status, |
827 | u32 adv_id, const u8 *adv_mac, | |
828 | const char *deferred_session_resp); | |
349b213c | 829 | |
b22128ef JM |
830 | /** |
831 | * invitation_process - Optional callback for processing Invitations | |
832 | * @ctx: Callback context from cb_ctx | |
833 | * @sa: Source address of the Invitation Request | |
834 | * @bssid: P2P Group BSSID from the request or %NULL if not included | |
835 | * @go_dev_addr: GO Device Address from P2P Group ID | |
836 | * @ssid: SSID from P2P Group ID | |
837 | * @ssid_len: Length of ssid buffer in octets | |
838 | * @go: Variable for returning whether the local end is GO in the group | |
839 | * @group_bssid: Buffer for returning P2P Group BSSID (if local end GO) | |
840 | * @force_freq: Variable for returning forced frequency for the group | |
841 | * @persistent_group: Whether this is an invitation to reinvoke a | |
842 | * persistent group (instead of invitation to join an active | |
843 | * group) | |
72728c6f | 844 | * @channels: Available operating channels for the group |
8e9f53c3 JM |
845 | * @dev_pw_id: Device Password ID for NFC static handover or -1 if not |
846 | * used | |
b22128ef JM |
847 | * Returns: Status code (P2P_SC_*) |
848 | * | |
849 | * This optional callback can be used to implement persistent reconnect | |
850 | * by allowing automatic restarting of persistent groups without user | |
851 | * interaction. If this callback is not implemented (i.e., is %NULL), | |
852 | * the received Invitation Request frames are replied with | |
853 | * %P2P_SC_REQ_RECEIVED status and indicated to upper layer with the | |
854 | * invitation_result() callback. | |
855 | * | |
856 | * If the requested parameters are acceptable and the group is known, | |
857 | * %P2P_SC_SUCCESS may be returned. If the requested group is unknown, | |
858 | * %P2P_SC_FAIL_UNKNOWN_GROUP should be returned. %P2P_SC_REQ_RECEIVED | |
859 | * can be returned if there is not enough data to provide immediate | |
860 | * response, i.e., if some sort of user interaction is needed. The | |
861 | * invitation_received() callback will be called in that case | |
862 | * immediately after this call. | |
863 | */ | |
864 | u8 (*invitation_process)(void *ctx, const u8 *sa, const u8 *bssid, | |
865 | const u8 *go_dev_addr, const u8 *ssid, | |
866 | size_t ssid_len, int *go, u8 *group_bssid, | |
72728c6f | 867 | int *force_freq, int persistent_group, |
8e9f53c3 JM |
868 | const struct p2p_channels *channels, |
869 | int dev_pw_id); | |
b22128ef JM |
870 | |
871 | /** | |
872 | * invitation_received - Callback on Invitation Request RX | |
873 | * @ctx: Callback context from cb_ctx | |
874 | * @sa: Source address of the Invitation Request | |
875 | * @bssid: P2P Group BSSID or %NULL if not received | |
876 | * @ssid: SSID of the group | |
877 | * @ssid_len: Length of ssid in octets | |
878 | * @go_dev_addr: GO Device Address | |
879 | * @status: Response Status | |
880 | * @op_freq: Operational frequency for the group | |
881 | * | |
882 | * This callback is used to indicate sending of an Invitation Response | |
883 | * for a received Invitation Request. If status == 0 (success), the | |
884 | * upper layer code is responsible for starting the group. status == 1 | |
885 | * indicates need to get user authorization for the group. Other status | |
886 | * values indicate that the invitation request was rejected. | |
887 | */ | |
888 | void (*invitation_received)(void *ctx, const u8 *sa, const u8 *bssid, | |
889 | const u8 *ssid, size_t ssid_len, | |
890 | const u8 *go_dev_addr, u8 status, | |
891 | int op_freq); | |
892 | ||
893 | /** | |
894 | * invitation_result - Callback on Invitation result | |
895 | * @ctx: Callback context from cb_ctx | |
896 | * @status: Negotiation result (Status Code) | |
897 | * @bssid: P2P Group BSSID or %NULL if not received | |
54733624 | 898 | * @channels: Available operating channels for the group |
dbca75f8 | 899 | * @addr: Peer address |
dcd25d4c | 900 | * @freq: Frequency (in MHz) indicated during invitation or 0 |
41d5ce9e RR |
901 | * @peer_oper_freq: Operating frequency (in MHz) advertized by the peer |
902 | * during invitation or 0 | |
b22128ef JM |
903 | * |
904 | * This callback is used to indicate result of an Invitation procedure | |
905 | * started with a call to p2p_invite(). The indicated status code is | |
906 | * the value received from the peer in Invitation Response with 0 | |
907 | * (P2P_SC_SUCCESS) indicating success or -1 to indicate a timeout or a | |
908 | * local failure in transmitting the Invitation Request. | |
909 | */ | |
54733624 | 910 | void (*invitation_result)(void *ctx, int status, const u8 *bssid, |
dbca75f8 | 911 | const struct p2p_channels *channels, |
41d5ce9e | 912 | const u8 *addr, int freq, int peer_oper_freq); |
b1aebbc4 JM |
913 | |
914 | /** | |
915 | * go_connected - Check whether we are connected to a GO | |
916 | * @ctx: Callback context from cb_ctx | |
917 | * @dev_addr: P2P Device Address of a GO | |
918 | * Returns: 1 if we are connected as a P2P client to the specified GO | |
919 | * or 0 if not. | |
920 | */ | |
921 | int (*go_connected)(void *ctx, const u8 *dev_addr); | |
c64e3a08 JM |
922 | |
923 | /** | |
924 | * presence_resp - Callback on Presence Response | |
925 | * @ctx: Callback context from cb_ctx | |
926 | * @src: Source address (GO's P2P Interface Address) | |
927 | * @status: Result of the request (P2P_SC_*) | |
928 | * @noa: Returned NoA value | |
929 | * @noa_len: Length of the NoA buffer in octets | |
930 | */ | |
931 | void (*presence_resp)(void *ctx, const u8 *src, u8 status, | |
932 | const u8 *noa, size_t noa_len); | |
a2d63657 RR |
933 | |
934 | /** | |
935 | * is_concurrent_session_active - Check whether concurrent session is | |
936 | * active on other virtual interfaces | |
937 | * @ctx: Callback context from cb_ctx | |
938 | * Returns: 1 if concurrent session is active on other virtual interface | |
939 | * or 0 if not. | |
940 | */ | |
941 | int (*is_concurrent_session_active)(void *ctx); | |
0f1034e3 SD |
942 | |
943 | /** | |
944 | * is_p2p_in_progress - Check whether P2P operation is in progress | |
945 | * @ctx: Callback context from cb_ctx | |
946 | * Returns: 1 if P2P operation (e.g., group formation) is in progress | |
947 | * or 0 if not. | |
948 | */ | |
949 | int (*is_p2p_in_progress)(void *ctx); | |
369678ad KV |
950 | |
951 | /** | |
952 | * Determine if we have a persistent group we share with remote peer | |
953 | * @ctx: Callback context from cb_ctx | |
954 | * @addr: Peer device address to search for | |
955 | * @ssid: Persistent group SSID or %NULL if any | |
956 | * @ssid_len: Length of @ssid | |
957 | * @go_dev_addr: Buffer for returning intended GO P2P Device Address | |
958 | * @ret_ssid: Buffer for returning group SSID | |
959 | * @ret_ssid_len: Buffer for returning length of @ssid | |
960 | * Returns: 1 if a matching persistent group was found, 0 otherwise | |
961 | */ | |
962 | int (*get_persistent_group)(void *ctx, const u8 *addr, const u8 *ssid, | |
963 | size_t ssid_len, u8 *go_dev_addr, | |
964 | u8 *ret_ssid, size_t *ret_ssid_len); | |
965 | ||
966 | /** | |
967 | * Get information about a possible local GO role | |
968 | * @ctx: Callback context from cb_ctx | |
969 | * @intended_addr: Buffer for returning intended GO interface address | |
970 | * @ssid: Buffer for returning group SSID | |
971 | * @ssid_len: Buffer for returning length of @ssid | |
972 | * @group_iface: Buffer for returning whether a separate group interface | |
973 | * would be used | |
974 | * Returns: 1 if GO info found, 0 otherwise | |
975 | * | |
976 | * This is used to compose New Group settings (SSID, and intended | |
977 | * address) during P2PS provisioning if results of provisioning *might* | |
978 | * result in our being an autonomous GO. | |
979 | */ | |
980 | int (*get_go_info)(void *ctx, u8 *intended_addr, | |
981 | u8 *ssid, size_t *ssid_len, int *group_iface); | |
895d94de KV |
982 | |
983 | /** | |
984 | * remove_stale_groups - Remove stale P2PS groups | |
985 | * | |
986 | * Because P2PS stages *potential* GOs, and remote devices can remove | |
987 | * credentials unilaterally, we need to make sure we don't let stale | |
988 | * unusable groups build up. | |
989 | */ | |
990 | int (*remove_stale_groups)(void *ctx, const u8 *peer, const u8 *go, | |
991 | const u8 *ssid, size_t ssid_len); | |
9a58e521 | 992 | |
5fefce27 KV |
993 | /** |
994 | * p2ps_prov_complete - P2PS provisioning complete | |
995 | * | |
996 | * When P2PS provisioning completes (successfully or not) we must | |
997 | * transmit all of the results to the upper layers. | |
998 | */ | |
999 | void (*p2ps_prov_complete)(void *ctx, u8 status, const u8 *dev, | |
1000 | const u8 *adv_mac, const u8 *ses_mac, | |
1001 | const u8 *grp_mac, u32 adv_id, u32 ses_id, | |
1002 | u8 conncap, int passwd_id, | |
1003 | const u8 *persist_ssid, | |
1004 | size_t persist_ssid_size, int response_done, | |
1005 | int prov_start, const char *session_info); | |
1006 | ||
9a58e521 KV |
1007 | /** |
1008 | * prov_disc_resp_cb - Callback for indicating completion of PD Response | |
1009 | * @ctx: Callback context from cb_ctx | |
1010 | * Returns: 1 if operation was started, 0 otherwise | |
1011 | * | |
1012 | * This callback can be used to perform any pending actions after | |
1013 | * provisioning. It is mainly used for P2PS pending group creation. | |
1014 | */ | |
1015 | int (*prov_disc_resp_cb)(void *ctx); | |
1300cc8e KV |
1016 | |
1017 | /** | |
1018 | * p2ps_group_capability - Determine group capability | |
1019 | * | |
1020 | * This function can be used to determine group capability based on | |
1021 | * information from P2PS PD exchange and the current state of ongoing | |
1022 | * groups and driver capabilities. | |
1023 | * | |
1024 | * P2PS_SETUP_* bitmap is used as the parameters and return value. | |
1025 | */ | |
1026 | u8 (*p2ps_group_capability)(void *ctx, u8 incoming, u8 role); | |
b22128ef JM |
1027 | }; |
1028 | ||
1029 | ||
1030 | /* P2P module initialization/deinitialization */ | |
1031 | ||
1032 | /** | |
1033 | * p2p_init - Initialize P2P module | |
1034 | * @cfg: P2P module configuration | |
1035 | * Returns: Pointer to private data or %NULL on failure | |
1036 | * | |
1037 | * This function is used to initialize global P2P module context (one per | |
1038 | * device). The P2P module will keep a copy of the configuration data, so the | |
1039 | * caller does not need to maintain this structure. However, the callback | |
1040 | * functions and the context parameters to them must be kept available until | |
1041 | * the P2P module is deinitialized with p2p_deinit(). | |
1042 | */ | |
1043 | struct p2p_data * p2p_init(const struct p2p_config *cfg); | |
1044 | ||
1045 | /** | |
1046 | * p2p_deinit - Deinitialize P2P module | |
1047 | * @p2p: P2P module context from p2p_init() | |
1048 | */ | |
1049 | void p2p_deinit(struct p2p_data *p2p); | |
1050 | ||
1051 | /** | |
1052 | * p2p_flush - Flush P2P module state | |
1053 | * @p2p: P2P module context from p2p_init() | |
1054 | * | |
1055 | * This command removes the P2P module state like peer device entries. | |
1056 | */ | |
1057 | void p2p_flush(struct p2p_data *p2p); | |
1058 | ||
9d562b79 SS |
1059 | /** |
1060 | * p2p_unauthorize - Unauthorize the specified peer device | |
1061 | * @p2p: P2P module context from p2p_init() | |
1062 | * @addr: P2P peer entry to be unauthorized | |
1063 | * Returns: 0 on success, -1 on failure | |
1064 | * | |
1065 | * This command removes any connection authorization from the specified P2P | |
1066 | * peer device address. This can be used, e.g., to cancel effect of a previous | |
1067 | * p2p_authorize() or p2p_connect() call that has not yet resulted in completed | |
1068 | * GO Negotiation. | |
1069 | */ | |
1070 | int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr); | |
1071 | ||
b22128ef JM |
1072 | /** |
1073 | * p2p_set_dev_name - Set device name | |
1074 | * @p2p: P2P module context from p2p_init() | |
1075 | * Returns: 0 on success, -1 on failure | |
1076 | * | |
1077 | * This function can be used to update the P2P module configuration with | |
1078 | * information that was not available at the time of the p2p_init() call. | |
1079 | */ | |
1080 | int p2p_set_dev_name(struct p2p_data *p2p, const char *dev_name); | |
1081 | ||
b6e01800 JM |
1082 | int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer); |
1083 | int p2p_set_model_name(struct p2p_data *p2p, const char *model_name); | |
1084 | int p2p_set_model_number(struct p2p_data *p2p, const char *model_number); | |
1085 | int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number); | |
1086 | ||
1087 | void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods); | |
1088 | void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid); | |
1089 | ||
b22128ef JM |
1090 | /** |
1091 | * p2p_set_pri_dev_type - Set primary device type | |
1092 | * @p2p: P2P module context from p2p_init() | |
1093 | * Returns: 0 on success, -1 on failure | |
1094 | * | |
1095 | * This function can be used to update the P2P module configuration with | |
1096 | * information that was not available at the time of the p2p_init() call. | |
1097 | */ | |
1098 | int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type); | |
1099 | ||
1100 | /** | |
1101 | * p2p_set_sec_dev_types - Set secondary device types | |
1102 | * @p2p: P2P module context from p2p_init() | |
1103 | * Returns: 0 on success, -1 on failure | |
1104 | * | |
1105 | * This function can be used to update the P2P module configuration with | |
1106 | * information that was not available at the time of the p2p_init() call. | |
1107 | */ | |
1108 | int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8], | |
1109 | size_t num_dev_types); | |
1110 | ||
1111 | int p2p_set_country(struct p2p_data *p2p, const char *country); | |
1112 | ||
1113 | ||
1114 | /* Commands from upper layer management entity */ | |
1115 | ||
1116 | enum p2p_discovery_type { | |
1117 | P2P_FIND_START_WITH_FULL, | |
1118 | P2P_FIND_ONLY_SOCIAL, | |
1119 | P2P_FIND_PROGRESSIVE | |
1120 | }; | |
1121 | ||
1122 | /** | |
1123 | * p2p_find - Start P2P Find (Device Discovery) | |
1124 | * @p2p: P2P module context from p2p_init() | |
1125 | * @timeout: Timeout for find operation in seconds or 0 for no timeout | |
1126 | * @type: Device Discovery type | |
046ef4aa JMB |
1127 | * @num_req_dev_types: Number of requested device types |
1128 | * @req_dev_types: Requested device types array, must be an array | |
1129 | * containing num_req_dev_types * WPS_DEV_TYPE_LEN bytes; %NULL if no | |
1130 | * requested device types. | |
6d92fa6e | 1131 | * @dev_id: Device ID to search for or %NULL to find all devices |
37448ede | 1132 | * @search_delay: Extra delay in milliseconds between search iterations |
51775096 BG |
1133 | * @seek_count: Number of ASP Service Strings in the seek_string array |
1134 | * @seek_string: ASP Service Strings to query for in Probe Requests | |
fa9f381f DN |
1135 | * @freq: Requested first scan frequency (in MHz) to modify type == |
1136 | * P2P_FIND_START_WITH_FULL behavior. 0 = Use normal full scan. | |
1137 | * If p2p_find is already in progress, this parameter is ignored and full | |
1138 | * scan will be executed. | |
b22128ef JM |
1139 | * Returns: 0 on success, -1 on failure |
1140 | */ | |
1141 | int p2p_find(struct p2p_data *p2p, unsigned int timeout, | |
046ef4aa | 1142 | enum p2p_discovery_type type, |
6d92fa6e | 1143 | unsigned int num_req_dev_types, const u8 *req_dev_types, |
51775096 | 1144 | const u8 *dev_id, unsigned int search_delay, |
fa9f381f | 1145 | u8 seek_count, const char **seek_string, int freq); |
b22128ef | 1146 | |
b951a974 SD |
1147 | /** |
1148 | * p2p_notify_scan_trigger_status - Indicate scan trigger status | |
1149 | * @p2p: P2P module context from p2p_init() | |
1150 | * @status: 0 on success, -1 on failure | |
1151 | */ | |
1152 | void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status); | |
1153 | ||
b22128ef JM |
1154 | /** |
1155 | * p2p_stop_find - Stop P2P Find (Device Discovery) | |
1156 | * @p2p: P2P module context from p2p_init() | |
1157 | */ | |
1158 | void p2p_stop_find(struct p2p_data *p2p); | |
1159 | ||
0b8889d8 JM |
1160 | /** |
1161 | * p2p_stop_find_for_freq - Stop P2P Find for next oper on specific freq | |
1162 | * @p2p: P2P module context from p2p_init() | |
1163 | * @freq: Frequency in MHz for next operation | |
1164 | * | |
1165 | * This is like p2p_stop_find(), but Listen state is not stopped if we are | |
1166 | * already on the same frequency. | |
1167 | */ | |
1168 | void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq); | |
1169 | ||
b22128ef JM |
1170 | /** |
1171 | * p2p_listen - Start P2P Listen state for specified duration | |
1172 | * @p2p: P2P module context from p2p_init() | |
1173 | * @timeout: Listen state duration in milliseconds | |
1174 | * Returns: 0 on success, -1 on failure | |
1175 | * | |
1176 | * This function can be used to request the P2P module to keep the device | |
1177 | * discoverable on the listen channel for an extended set of time. At least in | |
1178 | * its current form, this is mainly used for testing purposes and may not be of | |
1179 | * much use for normal P2P operations. | |
1180 | */ | |
1181 | int p2p_listen(struct p2p_data *p2p, unsigned int timeout); | |
1182 | ||
0b5fb86a SADR |
1183 | /** |
1184 | * p2p_stop_listen - Stop P2P Listen | |
1185 | * @p2p: P2P module context from p2p_init() | |
1186 | */ | |
1187 | void p2p_stop_listen(struct p2p_data *p2p); | |
1188 | ||
b22128ef JM |
1189 | /** |
1190 | * p2p_connect - Start P2P group formation (GO negotiation) | |
1191 | * @p2p: P2P module context from p2p_init() | |
1192 | * @peer_addr: MAC address of the peer P2P client | |
1193 | * @wps_method: WPS method to be used in provisioning | |
1194 | * @go_intent: Local GO intent value (1..15) | |
1195 | * @own_interface_addr: Intended interface address to use with the group | |
1196 | * @force_freq: The only allowed channel frequency in MHz or 0 | |
acc247b2 JM |
1197 | * @persistent_group: Whether to create a persistent group (0 = no, 1 = |
1198 | * persistent group without persistent reconnect, 2 = persistent group with | |
1199 | * persistent reconnect) | |
23c84252 JM |
1200 | * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate |
1201 | * a new SSID | |
1202 | * @force_ssid_len: Length of $force_ssid buffer | |
3bc462cb JM |
1203 | * @pd_before_go_neg: Whether to send Provision Discovery prior to GO |
1204 | * Negotiation as an interoperability workaround when initiating group | |
1205 | * formation | |
04a3e69d JM |
1206 | * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if |
1207 | * force_freq == 0) | |
b22128ef JM |
1208 | * Returns: 0 on success, -1 on failure |
1209 | */ | |
1210 | int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr, | |
1211 | enum p2p_wps_method wps_method, | |
1212 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 1213 | unsigned int force_freq, int persistent_group, |
3bc462cb | 1214 | const u8 *force_ssid, size_t force_ssid_len, |
ab9e3442 | 1215 | int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id); |
b22128ef JM |
1216 | |
1217 | /** | |
1218 | * p2p_authorize - Authorize P2P group formation (GO negotiation) | |
1219 | * @p2p: P2P module context from p2p_init() | |
1220 | * @peer_addr: MAC address of the peer P2P client | |
1221 | * @wps_method: WPS method to be used in provisioning | |
1222 | * @go_intent: Local GO intent value (1..15) | |
1223 | * @own_interface_addr: Intended interface address to use with the group | |
1224 | * @force_freq: The only allowed channel frequency in MHz or 0 | |
acc247b2 JM |
1225 | * @persistent_group: Whether to create a persistent group (0 = no, 1 = |
1226 | * persistent group without persistent reconnect, 2 = persistent group with | |
1227 | * persistent reconnect) | |
23c84252 JM |
1228 | * @force_ssid: Forced SSID for the group if we become GO or %NULL to generate |
1229 | * a new SSID | |
1230 | * @force_ssid_len: Length of $force_ssid buffer | |
04a3e69d JM |
1231 | * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if |
1232 | * force_freq == 0) | |
b22128ef JM |
1233 | * Returns: 0 on success, -1 on failure |
1234 | * | |
1235 | * This is like p2p_connect(), but the actual group negotiation is not | |
1236 | * initiated automatically, i.e., the other end is expected to do that. | |
1237 | */ | |
1238 | int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr, | |
1239 | enum p2p_wps_method wps_method, | |
1240 | int go_intent, const u8 *own_interface_addr, | |
23c84252 | 1241 | unsigned int force_freq, int persistent_group, |
04a3e69d | 1242 | const u8 *force_ssid, size_t force_ssid_len, |
ab9e3442 | 1243 | unsigned int pref_freq, u16 oob_pw_id); |
b22128ef JM |
1244 | |
1245 | /** | |
1246 | * p2p_reject - Reject peer device (explicitly block connection attempts) | |
1247 | * @p2p: P2P module context from p2p_init() | |
1248 | * @peer_addr: MAC address of the peer P2P client | |
1249 | * Returns: 0 on success, -1 on failure | |
1250 | */ | |
1251 | int p2p_reject(struct p2p_data *p2p, const u8 *peer_addr); | |
1252 | ||
1253 | /** | |
1254 | * p2p_prov_disc_req - Send Provision Discovery Request | |
1255 | * @p2p: P2P module context from p2p_init() | |
1256 | * @peer_addr: MAC address of the peer P2P client | |
369678ad | 1257 | * @p2ps_prov: Provisioning info for P2PS |
b22128ef JM |
1258 | * @config_methods: WPS Config Methods value (only one bit set) |
1259 | * @join: Whether this is used by a client joining an active group | |
1ef2f7ff | 1260 | * @force_freq: Forced TX frequency for the frame (mainly for the join case) |
67527166 | 1261 | * @user_initiated_pd: Flag to indicate if initiated by user or not |
b22128ef JM |
1262 | * Returns: 0 on success, -1 on failure |
1263 | * | |
1264 | * This function can be used to request a discovered P2P peer to display a PIN | |
1265 | * (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us | |
1266 | * (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame | |
1267 | * is transmitted once immediately and if no response is received, the frame | |
1268 | * will be sent again whenever the target device is discovered during device | |
1269 | * dsicovery (start with a p2p_find() call). Response from the peer is | |
1270 | * indicated with the p2p_config::prov_disc_resp() callback. | |
1271 | */ | |
1272 | int p2p_prov_disc_req(struct p2p_data *p2p, const u8 *peer_addr, | |
369678ad KV |
1273 | struct p2ps_provision *p2ps_prov, u16 config_methods, |
1274 | int join, int force_freq, | |
67527166 | 1275 | int user_initiated_pd); |
b22128ef JM |
1276 | |
1277 | /** | |
1278 | * p2p_sd_request - Schedule a service discovery query | |
1279 | * @p2p: P2P module context from p2p_init() | |
1280 | * @dst: Destination peer or %NULL to apply for all peers | |
1281 | * @tlvs: P2P Service Query TLV(s) | |
1282 | * Returns: Reference to the query or %NULL on failure | |
1283 | * | |
1284 | * Response to the query is indicated with the p2p_config::sd_response() | |
1285 | * callback. | |
1286 | */ | |
1287 | void * p2p_sd_request(struct p2p_data *p2p, const u8 *dst, | |
1288 | const struct wpabuf *tlvs); | |
1289 | ||
347d6a5b JM |
1290 | #ifdef CONFIG_WIFI_DISPLAY |
1291 | void * p2p_sd_request_wfd(struct p2p_data *p2p, const u8 *dst, | |
1292 | const struct wpabuf *tlvs); | |
1293 | #endif /* CONFIG_WIFI_DISPLAY */ | |
1294 | ||
b22128ef JM |
1295 | /** |
1296 | * p2p_sd_cancel_request - Cancel a pending service discovery query | |
1297 | * @p2p: P2P module context from p2p_init() | |
1298 | * @req: Query reference from p2p_sd_request() | |
1299 | * Returns: 0 if request for cancelled; -1 if not found | |
1300 | */ | |
1301 | int p2p_sd_cancel_request(struct p2p_data *p2p, void *req); | |
1302 | ||
1303 | /** | |
1304 | * p2p_sd_response - Send response to a service discovery query | |
1305 | * @p2p: P2P module context from p2p_init() | |
1306 | * @freq: Frequency from p2p_config::sd_request() callback | |
1307 | * @dst: Destination address from p2p_config::sd_request() callback | |
1308 | * @dialog_token: Dialog token from p2p_config::sd_request() callback | |
1309 | * @resp_tlvs: P2P Service Response TLV(s) | |
1310 | * | |
1311 | * This function is called as a response to the request indicated with | |
1312 | * p2p_config::sd_request() callback. | |
1313 | */ | |
1314 | void p2p_sd_response(struct p2p_data *p2p, int freq, const u8 *dst, | |
1315 | u8 dialog_token, const struct wpabuf *resp_tlvs); | |
1316 | ||
1317 | /** | |
1318 | * p2p_sd_service_update - Indicate a change in local services | |
1319 | * @p2p: P2P module context from p2p_init() | |
1320 | * | |
1321 | * This function needs to be called whenever there is a change in availability | |
1322 | * of the local services. This will increment the Service Update Indicator | |
1323 | * value which will be used in SD Request and Response frames. | |
1324 | */ | |
1325 | void p2p_sd_service_update(struct p2p_data *p2p); | |
1326 | ||
1327 | ||
1328 | enum p2p_invite_role { | |
1329 | P2P_INVITE_ROLE_GO, | |
1330 | P2P_INVITE_ROLE_ACTIVE_GO, | |
1331 | P2P_INVITE_ROLE_CLIENT | |
1332 | }; | |
1333 | ||
1334 | /** | |
1335 | * p2p_invite - Invite a P2P Device into a group | |
1336 | * @p2p: P2P module context from p2p_init() | |
1337 | * @peer: Device Address of the peer P2P Device | |
1338 | * @role: Local role in the group | |
1339 | * @bssid: Group BSSID or %NULL if not known | |
1340 | * @ssid: Group SSID | |
1341 | * @ssid_len: Length of ssid in octets | |
1342 | * @force_freq: The only allowed channel frequency in MHz or 0 | |
1343 | * @go_dev_addr: Forced GO Device Address or %NULL if none | |
1344 | * @persistent_group: Whether this is to reinvoke a persistent group | |
79879f4a DG |
1345 | * @pref_freq: Preferred operating frequency in MHz or 0 (this is only used if |
1346 | * force_freq == 0) | |
8e9f53c3 JM |
1347 | * @dev_pw_id: Device Password ID from OOB Device Password (NFC) static handover |
1348 | * case or -1 if not used | |
b22128ef JM |
1349 | * Returns: 0 on success, -1 on failure |
1350 | */ | |
1351 | int p2p_invite(struct p2p_data *p2p, const u8 *peer, enum p2p_invite_role role, | |
1352 | const u8 *bssid, const u8 *ssid, size_t ssid_len, | |
1353 | unsigned int force_freq, const u8 *go_dev_addr, | |
8e9f53c3 | 1354 | int persistent_group, unsigned int pref_freq, int dev_pw_id); |
b22128ef JM |
1355 | |
1356 | /** | |
1357 | * p2p_presence_req - Request GO presence | |
1358 | * @p2p: P2P module context from p2p_init() | |
1359 | * @go_interface_addr: GO P2P Interface Address | |
1360 | * @own_interface_addr: Own P2P Interface Address for this group | |
1361 | * @freq: Group operating frequence (in MHz) | |
1362 | * @duration1: Preferred presence duration in microseconds | |
1363 | * @interval1: Preferred presence interval in microseconds | |
1364 | * @duration2: Acceptable presence duration in microseconds | |
1365 | * @interval2: Acceptable presence interval in microseconds | |
1366 | * Returns: 0 on success, -1 on failure | |
1367 | * | |
1368 | * If both duration and interval values are zero, the parameter pair is not | |
1369 | * specified (i.e., to remove Presence Request, use duration1 = interval1 = 0). | |
1370 | */ | |
1371 | int p2p_presence_req(struct p2p_data *p2p, const u8 *go_interface_addr, | |
1372 | const u8 *own_interface_addr, unsigned int freq, | |
1373 | u32 duration1, u32 interval1, u32 duration2, | |
1374 | u32 interval2); | |
1375 | ||
1376 | /** | |
1377 | * p2p_ext_listen - Set Extended Listen Timing | |
1378 | * @p2p: P2P module context from p2p_init() | |
1379 | * @freq: Group operating frequence (in MHz) | |
1380 | * @period: Availability period in milliseconds (1-65535; 0 to disable) | |
1381 | * @interval: Availability interval in milliseconds (1-65535; 0 to disable) | |
1382 | * Returns: 0 on success, -1 on failure | |
1383 | * | |
1384 | * This function can be used to enable or disable (period = interval = 0) | |
1385 | * Extended Listen Timing. When enabled, the P2P Device will become | |
1386 | * discoverable (go into Listen State) every @interval milliseconds for at | |
1387 | * least @period milliseconds. | |
1388 | */ | |
1389 | int p2p_ext_listen(struct p2p_data *p2p, unsigned int period, | |
1390 | unsigned int interval); | |
1391 | ||
1392 | /* Event notifications from upper layer management operations */ | |
1393 | ||
1394 | /** | |
1395 | * p2p_wps_success_cb - Report successfully completed WPS provisioning | |
1396 | * @p2p: P2P module context from p2p_init() | |
1397 | * @mac_addr: Peer address | |
1398 | * | |
1399 | * This function is used to report successfully completed WPS provisioning | |
1400 | * during group formation in both GO/Registrar and client/Enrollee roles. | |
1401 | */ | |
1402 | void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr); | |
1403 | ||
1404 | /** | |
1405 | * p2p_group_formation_failed - Report failed WPS provisioning | |
1406 | * @p2p: P2P module context from p2p_init() | |
1407 | * | |
1408 | * This function is used to report failed group formation. This can happen | |
1409 | * either due to failed WPS provisioning or due to 15 second timeout during | |
1410 | * the provisioning phase. | |
1411 | */ | |
1412 | void p2p_group_formation_failed(struct p2p_data *p2p); | |
1413 | ||
ec437d9e JJ |
1414 | /** |
1415 | * p2p_get_provisioning_info - Get any stored provisioning info | |
1416 | * @p2p: P2P module context from p2p_init() | |
1417 | * @addr: Peer P2P Device Address | |
1418 | * Returns: WPS provisioning information (WPS config method) or 0 if no | |
1419 | * information is available | |
1420 | * | |
1421 | * This function is used to retrieve stored WPS provisioning info for the given | |
1422 | * peer. | |
1423 | */ | |
1424 | u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr); | |
1425 | ||
1426 | /** | |
1427 | * p2p_clear_provisioning_info - Clear any stored provisioning info | |
1428 | * @p2p: P2P module context from p2p_init() | |
10531d21 | 1429 | * @iface_addr: Peer P2P Device Address |
ec437d9e JJ |
1430 | * |
1431 | * This function is used to clear stored WPS provisioning info for the given | |
1432 | * peer. | |
1433 | */ | |
10531d21 | 1434 | void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr); |
ec437d9e | 1435 | |
b22128ef JM |
1436 | |
1437 | /* Event notifications from lower layer driver operations */ | |
1438 | ||
2d43d37f JB |
1439 | /** |
1440 | * enum p2p_probe_req_status | |
1441 | * | |
1442 | * @P2P_PREQ_MALFORMED: frame was not well-formed | |
1443 | * @P2P_PREQ_NOT_LISTEN: device isn't in listen state, frame ignored | |
1444 | * @P2P_PREQ_NOT_P2P: frame was not a P2P probe request | |
1445 | * @P2P_PREQ_P2P_NOT_PROCESSED: frame was P2P but wasn't processed | |
1446 | * @P2P_PREQ_P2P_PROCESSED: frame has been processed by P2P | |
1447 | */ | |
1448 | enum p2p_probe_req_status { | |
1449 | P2P_PREQ_MALFORMED, | |
1450 | P2P_PREQ_NOT_LISTEN, | |
1451 | P2P_PREQ_NOT_P2P, | |
1452 | P2P_PREQ_NOT_PROCESSED, | |
1453 | P2P_PREQ_PROCESSED | |
1454 | }; | |
1455 | ||
b22128ef JM |
1456 | /** |
1457 | * p2p_probe_req_rx - Report reception of a Probe Request frame | |
1458 | * @p2p: P2P module context from p2p_init() | |
1459 | * @addr: Source MAC address | |
04a85e44 JM |
1460 | * @dst: Destination MAC address if available or %NULL |
1461 | * @bssid: BSSID if available or %NULL | |
b22128ef JM |
1462 | * @ie: Information elements from the Probe Request frame body |
1463 | * @ie_len: Length of ie buffer in octets | |
2d43d37f | 1464 | * Returns: value indicating the type and status of the probe request |
b22128ef | 1465 | */ |
2d43d37f JB |
1466 | enum p2p_probe_req_status |
1467 | p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst, | |
1468 | const u8 *bssid, const u8 *ie, size_t ie_len); | |
b22128ef JM |
1469 | |
1470 | /** | |
1471 | * p2p_rx_action - Report received Action frame | |
1472 | * @p2p: P2P module context from p2p_init() | |
1473 | * @da: Destination address of the received Action frame | |
1474 | * @sa: Source address of the received Action frame | |
1475 | * @bssid: Address 3 of the received Action frame | |
1476 | * @category: Category of the received Action frame | |
1477 | * @data: Action frame body after the Category field | |
1478 | * @len: Length of the data buffer in octets | |
1479 | * @freq: Frequency (in MHz) on which the frame was received | |
1480 | */ | |
1481 | void p2p_rx_action(struct p2p_data *p2p, const u8 *da, const u8 *sa, | |
1482 | const u8 *bssid, u8 category, | |
1483 | const u8 *data, size_t len, int freq); | |
1484 | ||
1485 | /** | |
1486 | * p2p_scan_res_handler - Indicate a P2P scan results | |
1487 | * @p2p: P2P module context from p2p_init() | |
1488 | * @bssid: BSSID of the scan result | |
1489 | * @freq: Frequency of the channel on which the device was found in MHz | |
c5f10e80 | 1490 | * @rx_time: Time when the result was received |
b22128ef JM |
1491 | * @level: Signal level (signal strength of the received Beacon/Probe Response |
1492 | * frame) | |
1493 | * @ies: Pointer to IEs from the scan result | |
1494 | * @ies_len: Length of the ies buffer | |
1495 | * Returns: 0 to continue or 1 to stop scan result indication | |
1496 | * | |
1497 | * This function is called to indicate a scan result entry with P2P IE from a | |
1498 | * scan requested with struct p2p_config::p2p_scan(). This can be called during | |
1499 | * the actual scan process (i.e., whenever a new device is found) or as a | |
1500 | * sequence of calls after the full scan has been completed. The former option | |
1501 | * can result in optimized operations, but may not be supported by all | |
1502 | * driver/firmware designs. The ies buffer need to include at least the P2P IE, | |
1503 | * but it is recommended to include all IEs received from the device. The | |
1504 | * caller does not need to check that the IEs contain a P2P IE before calling | |
1505 | * this function since frames will be filtered internally if needed. | |
1506 | * | |
1507 | * This function will return 1 if it wants to stop scan result iteration (and | |
1508 | * scan in general if it is still in progress). This is used to allow faster | |
1509 | * start of a pending operation, e.g., to start a pending GO negotiation. | |
1510 | */ | |
1511 | int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq, | |
acb69cec | 1512 | struct os_reltime *rx_time, int level, const u8 *ies, |
3dfd0484 | 1513 | size_t ies_len); |
b22128ef JM |
1514 | |
1515 | /** | |
1516 | * p2p_scan_res_handled - Indicate end of scan results | |
1517 | * @p2p: P2P module context from p2p_init() | |
1518 | * | |
1519 | * This function is called to indicate that all P2P scan results from a scan | |
1520 | * have been reported with zero or more calls to p2p_scan_res_handler(). This | |
1521 | * function must be called as a response to successful | |
1522 | * struct p2p_config::p2p_scan() call if none of the p2p_scan_res_handler() | |
1523 | * calls stopped iteration. | |
1524 | */ | |
1525 | void p2p_scan_res_handled(struct p2p_data *p2p); | |
1526 | ||
93b7ddd0 JM |
1527 | enum p2p_send_action_result { |
1528 | P2P_SEND_ACTION_SUCCESS /* Frame was send and acknowledged */, | |
1529 | P2P_SEND_ACTION_NO_ACK /* Frame was sent, but not acknowledged */, | |
1530 | P2P_SEND_ACTION_FAILED /* Frame was not sent due to a failure */ | |
1531 | }; | |
1532 | ||
b22128ef JM |
1533 | /** |
1534 | * p2p_send_action_cb - Notify TX status of an Action frame | |
1535 | * @p2p: P2P module context from p2p_init() | |
1536 | * @freq: Channel frequency in MHz | |
1537 | * @dst: Destination MAC address (Address 1) | |
1538 | * @src: Source MAC address (Address 2) | |
1539 | * @bssid: BSSID (Address 3) | |
93b7ddd0 | 1540 | * @result: Result of the transmission attempt |
b22128ef JM |
1541 | * |
1542 | * This function is used to indicate the result of an Action frame transmission | |
1543 | * that was requested with struct p2p_config::send_action() callback. | |
1544 | */ | |
1545 | void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst, | |
93b7ddd0 JM |
1546 | const u8 *src, const u8 *bssid, |
1547 | enum p2p_send_action_result result); | |
b22128ef JM |
1548 | |
1549 | /** | |
1550 | * p2p_listen_cb - Indicate the start of a requested Listen state | |
1551 | * @p2p: P2P module context from p2p_init() | |
1552 | * @freq: Listen channel frequency in MHz | |
1553 | * @duration: Duration for the Listen state in milliseconds | |
1554 | * | |
1555 | * This function is used to indicate that a Listen state requested with | |
1556 | * struct p2p_config::start_listen() callback has started. | |
1557 | */ | |
1558 | void p2p_listen_cb(struct p2p_data *p2p, unsigned int freq, | |
1559 | unsigned int duration); | |
1560 | ||
1561 | /** | |
1562 | * p2p_listen_end - Indicate the end of a requested Listen state | |
1563 | * @p2p: P2P module context from p2p_init() | |
1564 | * @freq: Listen channel frequency in MHz | |
1565 | * Returns: 0 if no operations were started, 1 if an operation was started | |
1566 | * | |
1567 | * This function is used to indicate that a Listen state requested with | |
1568 | * struct p2p_config::start_listen() callback has ended. | |
1569 | */ | |
1570 | int p2p_listen_end(struct p2p_data *p2p, unsigned int freq); | |
1571 | ||
1572 | void p2p_deauth_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code, | |
1573 | const u8 *ie, size_t ie_len); | |
1574 | ||
1575 | void p2p_disassoc_notif(struct p2p_data *p2p, const u8 *bssid, u16 reason_code, | |
1576 | const u8 *ie, size_t ie_len); | |
1577 | ||
1578 | ||
1579 | /* Per-group P2P state for GO */ | |
1580 | ||
1581 | struct p2p_group; | |
1582 | ||
1583 | /** | |
1584 | * struct p2p_group_config - P2P group configuration | |
1585 | * | |
1586 | * This configuration is provided to the P2P module during initialization of | |
1587 | * the per-group information with p2p_group_init(). | |
1588 | */ | |
1589 | struct p2p_group_config { | |
1590 | /** | |
1591 | * persistent_group - Whether the group is persistent | |
acc247b2 JM |
1592 | * 0 = not a persistent group |
1593 | * 1 = persistent group without persistent reconnect | |
1594 | * 2 = persistent group with persistent reconnect | |
b22128ef JM |
1595 | */ |
1596 | int persistent_group; | |
1597 | ||
1598 | /** | |
1599 | * interface_addr - P2P Interface Address of the group | |
1600 | */ | |
1601 | u8 interface_addr[ETH_ALEN]; | |
1602 | ||
3f4ce13f JM |
1603 | /** |
1604 | * max_clients - Maximum number of clients in the group | |
1605 | */ | |
1606 | unsigned int max_clients; | |
1607 | ||
6f251b6b JM |
1608 | /** |
1609 | * ssid - Group SSID | |
1610 | */ | |
d9d1b952 | 1611 | u8 ssid[SSID_MAX_LEN]; |
6f251b6b JM |
1612 | |
1613 | /** | |
1614 | * ssid_len - Length of SSID | |
1615 | */ | |
1616 | size_t ssid_len; | |
1617 | ||
ea43ad96 JM |
1618 | /** |
1619 | * freq - Operating channel of the group | |
1620 | */ | |
1621 | int freq; | |
1622 | ||
b22128ef JM |
1623 | /** |
1624 | * cb_ctx - Context to use with callback functions | |
1625 | */ | |
1626 | void *cb_ctx; | |
1627 | ||
1628 | /** | |
1629 | * ie_update - Notification of IE update | |
1630 | * @ctx: Callback context from cb_ctx | |
1631 | * @beacon_ies: P2P IE for Beacon frames or %NULL if no change | |
1632 | * @proberesp_ies: P2P Ie for Probe Response frames | |
1633 | * | |
1634 | * P2P module uses this callback function to notify whenever the P2P IE | |
1635 | * in Beacon or Probe Response frames should be updated based on group | |
1636 | * events. | |
1637 | * | |
1638 | * The callee is responsible for freeing the returned buffer(s) with | |
1639 | * wpabuf_free(). | |
1640 | */ | |
1641 | void (*ie_update)(void *ctx, struct wpabuf *beacon_ies, | |
1642 | struct wpabuf *proberesp_ies); | |
3071e181 JM |
1643 | |
1644 | /** | |
1645 | * idle_update - Notification of changes in group idle state | |
1646 | * @ctx: Callback context from cb_ctx | |
1647 | * @idle: Whether the group is idle (no associated stations) | |
1648 | */ | |
1649 | void (*idle_update)(void *ctx, int idle); | |
b22128ef JM |
1650 | }; |
1651 | ||
1652 | /** | |
1653 | * p2p_group_init - Initialize P2P group | |
1654 | * @p2p: P2P module context from p2p_init() | |
1655 | * @config: P2P group configuration (will be freed by p2p_group_deinit()) | |
1656 | * Returns: Pointer to private data or %NULL on failure | |
1657 | * | |
1658 | * This function is used to initialize per-group P2P module context. Currently, | |
1659 | * this is only used to manage GO functionality and P2P clients do not need to | |
1660 | * create an instance of this per-group information. | |
1661 | */ | |
1662 | struct p2p_group * p2p_group_init(struct p2p_data *p2p, | |
1663 | struct p2p_group_config *config); | |
1664 | ||
1665 | /** | |
1666 | * p2p_group_deinit - Deinitialize P2P group | |
1667 | * @group: P2P group context from p2p_group_init() | |
1668 | */ | |
1669 | void p2p_group_deinit(struct p2p_group *group); | |
1670 | ||
1671 | /** | |
1672 | * p2p_group_notif_assoc - Notification of P2P client association with GO | |
1673 | * @group: P2P group context from p2p_group_init() | |
1674 | * @addr: Interface address of the P2P client | |
1675 | * @ie: IEs from the (Re)association Request frame | |
1676 | * @len: Length of the ie buffer in octets | |
1677 | * Returns: 0 on success, -1 on failure | |
1678 | */ | |
1679 | int p2p_group_notif_assoc(struct p2p_group *group, const u8 *addr, | |
1680 | const u8 *ie, size_t len); | |
1681 | ||
1682 | /** | |
1683 | * p2p_group_assoc_resp_ie - Build P2P IE for (re)association response | |
1684 | * @group: P2P group context from p2p_group_init() | |
1685 | * @status: Status value (P2P_SC_SUCCESS if association succeeded) | |
1686 | * Returns: P2P IE for (Re)association Response or %NULL on failure | |
1687 | * | |
1688 | * The caller is responsible for freeing the returned buffer with | |
1689 | * wpabuf_free(). | |
1690 | */ | |
1691 | struct wpabuf * p2p_group_assoc_resp_ie(struct p2p_group *group, u8 status); | |
1692 | ||
1693 | /** | |
1694 | * p2p_group_notif_disassoc - Notification of P2P client disassociation from GO | |
1695 | * @group: P2P group context from p2p_group_init() | |
1696 | * @addr: Interface address of the P2P client | |
1697 | */ | |
1698 | void p2p_group_notif_disassoc(struct p2p_group *group, const u8 *addr); | |
1699 | ||
1700 | /** | |
1701 | * p2p_group_notif_formation_done - Notification of completed group formation | |
1702 | * @group: P2P group context from p2p_group_init() | |
1703 | */ | |
1704 | void p2p_group_notif_formation_done(struct p2p_group *group); | |
1705 | ||
1706 | /** | |
1707 | * p2p_group_notif_noa - Notification of NoA change | |
1708 | * @group: P2P group context from p2p_group_init() | |
1709 | * @noa: Notice of Absence attribute payload, %NULL if none | |
1710 | * @noa_len: Length of noa buffer in octets | |
1711 | * Returns: 0 on success, -1 on failure | |
1712 | * | |
1713 | * Notify the P2P group management about a new NoA contents. This will be | |
1714 | * inserted into the P2P IEs in Beacon and Probe Response frames with rest of | |
1715 | * the group information. | |
1716 | */ | |
1717 | int p2p_group_notif_noa(struct p2p_group *group, const u8 *noa, | |
1718 | size_t noa_len); | |
1719 | ||
1720 | /** | |
1721 | * p2p_group_match_dev_type - Match device types in group with requested type | |
1722 | * @group: P2P group context from p2p_group_init() | |
1723 | * @wps: WPS TLVs from Probe Request frame (concatenated WPS IEs) | |
1724 | * Returns: 1 on match, 0 on mismatch | |
1725 | * | |
1726 | * This function can be used to match the Requested Device Type attribute in | |
1727 | * WPS IE with the device types of a group member for deciding whether a GO | |
1728 | * should reply to a Probe Request frame. Match will be reported if the WPS IE | |
1729 | * is not requested any specific device type. | |
1730 | */ | |
1731 | int p2p_group_match_dev_type(struct p2p_group *group, struct wpabuf *wps); | |
1732 | ||
8017b538 JM |
1733 | /** |
1734 | * p2p_group_match_dev_id - Match P2P Device Address in group with requested device id | |
1735 | */ | |
1736 | int p2p_group_match_dev_id(struct p2p_group *group, struct wpabuf *p2p); | |
1737 | ||
b22128ef JM |
1738 | /** |
1739 | * p2p_group_go_discover - Send GO Discoverability Request to a group client | |
1740 | * @group: P2P group context from p2p_group_init() | |
1741 | * Returns: 0 on success (frame scheduled); -1 if client was not found | |
1742 | */ | |
1743 | int p2p_group_go_discover(struct p2p_group *group, const u8 *dev_id, | |
1744 | const u8 *searching_dev, int rx_freq); | |
1745 | ||
1746 | ||
1747 | /* Generic helper functions */ | |
1748 | ||
1749 | /** | |
1750 | * p2p_ie_text - Build text format description of P2P IE | |
1751 | * @p2p_ie: P2P IE | |
1752 | * @buf: Buffer for returning text | |
1753 | * @end: Pointer to the end of the buf area | |
1754 | * Returns: Number of octets written to the buffer or -1 on failure | |
1755 | * | |
1756 | * This function can be used to parse P2P IE contents into text format | |
1757 | * field=value lines. | |
1758 | */ | |
1759 | int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end); | |
1760 | ||
1761 | /** | |
1762 | * p2p_scan_result_text - Build text format description of P2P IE | |
1763 | * @ies: Information elements from scan results | |
1764 | * @ies_len: ies buffer length in octets | |
1765 | * @buf: Buffer for returning text | |
1766 | * @end: Pointer to the end of the buf area | |
1767 | * Returns: Number of octets written to the buffer or -1 on failure | |
1768 | * | |
1769 | * This function can be used to parse P2P IE contents into text format | |
1770 | * field=value lines. | |
1771 | */ | |
1772 | int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end); | |
1773 | ||
c2d76aa6 MH |
1774 | /** |
1775 | * p2p_parse_dev_addr_in_p2p_ie - Parse P2P Device Address from a concatenated | |
1776 | * P2P IE | |
1777 | * @p2p_ie: P2P IE | |
1778 | * @dev_addr: Buffer for returning P2P Device Address | |
1779 | * Returns: 0 on success or -1 if P2P Device Address could not be parsed | |
1780 | */ | |
1781 | int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr); | |
1782 | ||
0a70f34f JM |
1783 | /** |
1784 | * p2p_parse_dev_addr - Parse P2P Device Address from P2P IE(s) | |
1785 | * @ies: Information elements from scan results | |
1786 | * @ies_len: ies buffer length in octets | |
1787 | * @dev_addr: Buffer for returning P2P Device Address | |
1788 | * Returns: 0 on success or -1 if P2P Device Address could not be parsed | |
1789 | */ | |
1790 | int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr); | |
1791 | ||
b22128ef JM |
1792 | /** |
1793 | * p2p_assoc_req_ie - Build P2P IE for (Re)Association Request frame | |
1794 | * @p2p: P2P module context from p2p_init() | |
1795 | * @bssid: BSSID | |
1796 | * @buf: Buffer for writing the P2P IE | |
1797 | * @len: Maximum buf length in octets | |
1798 | * @p2p_group: Whether this is for association with a P2P GO | |
4c08c0bd | 1799 | * @p2p_ie: Reassembled P2P IE data from scan results or %NULL if none |
b22128ef JM |
1800 | * Returns: Number of octets written into buf or -1 on failure |
1801 | */ | |
1802 | int p2p_assoc_req_ie(struct p2p_data *p2p, const u8 *bssid, u8 *buf, | |
4c08c0bd | 1803 | size_t len, int p2p_group, struct wpabuf *p2p_ie); |
b22128ef JM |
1804 | |
1805 | /** | |
1806 | * p2p_scan_ie - Build P2P IE for Probe Request | |
1807 | * @p2p: P2P module context from p2p_init() | |
1808 | * @ies: Buffer for writing P2P IE | |
6d92fa6e | 1809 | * @dev_id: Device ID to search for or %NULL for any |
b22128ef | 1810 | */ |
6d92fa6e | 1811 | void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id); |
b22128ef | 1812 | |
206e1f42 JM |
1813 | /** |
1814 | * p2p_scan_ie_buf_len - Get maximum buffer length needed for p2p_scan_ie | |
1815 | * @p2p: P2P module context from p2p_init() | |
1816 | * Returns: Number of octets that p2p_scan_ie() may add to the buffer | |
1817 | */ | |
1818 | size_t p2p_scan_ie_buf_len(struct p2p_data *p2p); | |
1819 | ||
b22128ef JM |
1820 | /** |
1821 | * p2p_go_params - Generate random P2P group parameters | |
1822 | * @p2p: P2P module context from p2p_init() | |
1823 | * @params: Buffer for parameters | |
1824 | * Returns: 0 on success, -1 on failure | |
1825 | */ | |
1826 | int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params); | |
1827 | ||
1828 | /** | |
1829 | * p2p_get_group_capab - Get Group Capability from P2P IE data | |
1830 | * @p2p_ie: P2P IE(s) contents | |
1831 | * Returns: Group Capability | |
1832 | */ | |
1833 | u8 p2p_get_group_capab(const struct wpabuf *p2p_ie); | |
1834 | ||
72044390 JM |
1835 | /** |
1836 | * p2p_get_cross_connect_disallowed - Does WLAN AP disallows cross connection | |
1837 | * @p2p_ie: P2P IE(s) contents | |
1838 | * Returns: 0 if cross connection is allow, 1 if not | |
1839 | */ | |
1840 | int p2p_get_cross_connect_disallowed(const struct wpabuf *p2p_ie); | |
1841 | ||
b22128ef JM |
1842 | /** |
1843 | * p2p_get_go_dev_addr - Get P2P Device Address from P2P IE data | |
1844 | * @p2p_ie: P2P IE(s) contents | |
1845 | * Returns: Pointer to P2P Device Address or %NULL if not included | |
1846 | */ | |
1847 | const u8 * p2p_get_go_dev_addr(const struct wpabuf *p2p_ie); | |
1848 | ||
1849 | /** | |
b3ffc80b | 1850 | * p2p_get_peer_info - Get P2P peer information |
b22128ef JM |
1851 | * @p2p: P2P module context from p2p_init() |
1852 | * @addr: P2P Device Address of the peer or %NULL to indicate the first peer | |
1853 | * @next: Whether to select the peer entry following the one indicated by addr | |
b3ffc80b JM |
1854 | * Returns: Pointer to peer info or %NULL if not found |
1855 | */ | |
1856 | const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p, | |
1857 | const u8 *addr, int next); | |
1858 | ||
1859 | /** | |
1860 | * p2p_get_peer_info_txt - Get internal P2P peer information in text format | |
1861 | * @info: Pointer to P2P peer info from p2p_get_peer_info() | |
b22128ef JM |
1862 | * @buf: Buffer for returning text |
1863 | * @buflen: Maximum buffer length | |
1864 | * Returns: Number of octets written to the buffer or -1 on failure | |
b3ffc80b JM |
1865 | * |
1866 | * Note: This information is internal to the P2P module and subject to change. | |
1867 | * As such, this should not really be used by external programs for purposes | |
1868 | * other than debugging. | |
b22128ef | 1869 | */ |
b3ffc80b JM |
1870 | int p2p_get_peer_info_txt(const struct p2p_peer_info *info, |
1871 | char *buf, size_t buflen); | |
b22128ef | 1872 | |
b3bcc0f5 JM |
1873 | /** |
1874 | * p2p_peer_known - Check whether P2P peer is known | |
1875 | * @p2p: P2P module context from p2p_init() | |
1876 | * @addr: P2P Device Address of the peer | |
1877 | * Returns: 1 if the specified device is in the P2P peer table or 0 if not | |
1878 | */ | |
1879 | int p2p_peer_known(struct p2p_data *p2p, const u8 *addr); | |
1880 | ||
b22128ef JM |
1881 | /** |
1882 | * p2p_set_client_discoverability - Set client discoverability capability | |
1883 | * @p2p: P2P module context from p2p_init() | |
1884 | * @enabled: Whether client discoverability will be enabled | |
1885 | * | |
1886 | * This function can be used to disable (and re-enable) client discoverability. | |
1887 | * This capability is enabled by default and should not be disabled in normal | |
1888 | * use cases, i.e., this is mainly for testing purposes. | |
1889 | */ | |
1890 | void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled); | |
1891 | ||
1892 | /** | |
a601f71b | 1893 | * p2p_set_managed_oper - Set managed P2P Device operations capability |
b22128ef JM |
1894 | * @p2p: P2P module context from p2p_init() |
1895 | * @enabled: Whether managed P2P Device operations will be enabled | |
1896 | */ | |
1897 | void p2p_set_managed_oper(struct p2p_data *p2p, int enabled); | |
1898 | ||
1595eb93 AM |
1899 | /** |
1900 | * p2p_config_get_random_social - Return a random social channel | |
1901 | * @p2p: P2P config | |
1902 | * @op_class: Selected operating class | |
1903 | * @op_channel: Selected social channel | |
1904 | * Returns: 0 on success, -1 on failure | |
1905 | * | |
1906 | * This function is used before p2p_init is called. A random social channel | |
1907 | * from supports bands 2.4 GHz (channels 1,6,11) and 60 GHz (channel 2) is | |
1908 | * returned on success. | |
1909 | */ | |
1910 | int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class, | |
1911 | u8 *op_channel); | |
1912 | ||
e3bd6e9d IP |
1913 | int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel, |
1914 | u8 forced); | |
1915 | ||
1916 | u8 p2p_get_listen_channel(struct p2p_data *p2p); | |
b22128ef JM |
1917 | |
1918 | int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len); | |
1919 | ||
1920 | int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr, | |
1921 | u8 *iface_addr); | |
4147a2cc JM |
1922 | int p2p_get_dev_addr(struct p2p_data *p2p, const u8 *iface_addr, |
1923 | u8 *dev_addr); | |
b22128ef | 1924 | |
80c9582a JM |
1925 | void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr); |
1926 | ||
72044390 JM |
1927 | /** |
1928 | * p2p_set_cross_connect - Set cross connection capability | |
1929 | * @p2p: P2P module context from p2p_init() | |
1930 | * @enabled: Whether cross connection will be enabled | |
1931 | */ | |
1932 | void p2p_set_cross_connect(struct p2p_data *p2p, int enabled); | |
1933 | ||
f8d0131a JM |
1934 | int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr); |
1935 | ||
0f66abd2 SS |
1936 | /** |
1937 | * p2p_set_intra_bss_dist - Set intra BSS distribution | |
1938 | * @p2p: P2P module context from p2p_init() | |
1939 | * @enabled: Whether intra BSS distribution will be enabled | |
1940 | */ | |
1941 | void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled); | |
1942 | ||
54733624 JM |
1943 | int p2p_channels_includes_freq(const struct p2p_channels *channels, |
1944 | unsigned int freq); | |
1945 | ||
1170239e IP |
1946 | int p2p_channels_to_freqs(const struct p2p_channels *channels, |
1947 | int *freq_list, unsigned int max_len); | |
1948 | ||
d054a462 JM |
1949 | /** |
1950 | * p2p_supported_freq - Check whether channel is supported for P2P | |
1951 | * @p2p: P2P module context from p2p_init() | |
1952 | * @freq: Channel frequency in MHz | |
1953 | * Returns: 0 if channel not usable for P2P, 1 if usable for P2P | |
1954 | */ | |
1955 | int p2p_supported_freq(struct p2p_data *p2p, unsigned int freq); | |
1956 | ||
556b30da JM |
1957 | /** |
1958 | * p2p_supported_freq_go - Check whether channel is supported for P2P GO operation | |
1959 | * @p2p: P2P module context from p2p_init() | |
1960 | * @freq: Channel frequency in MHz | |
1961 | * Returns: 0 if channel not usable for P2P, 1 if usable for P2P | |
1962 | */ | |
1963 | int p2p_supported_freq_go(struct p2p_data *p2p, unsigned int freq); | |
1964 | ||
51e9f228 JM |
1965 | /** |
1966 | * p2p_supported_freq_cli - Check whether channel is supported for P2P client operation | |
1967 | * @p2p: P2P module context from p2p_init() | |
1968 | * @freq: Channel frequency in MHz | |
1969 | * Returns: 0 if channel not usable for P2P, 1 if usable for P2P | |
1970 | */ | |
1971 | int p2p_supported_freq_cli(struct p2p_data *p2p, unsigned int freq); | |
1972 | ||
c6ccf12d SS |
1973 | /** |
1974 | * p2p_get_pref_freq - Get channel from preferred channel list | |
1975 | * @p2p: P2P module context from p2p_init() | |
1976 | * @channels: List of channels | |
1977 | * Returns: Preferred channel | |
1978 | */ | |
1979 | unsigned int p2p_get_pref_freq(struct p2p_data *p2p, | |
1980 | const struct p2p_channels *channels); | |
1981 | ||
51e9f228 JM |
1982 | void p2p_update_channel_list(struct p2p_data *p2p, |
1983 | const struct p2p_channels *chan, | |
1984 | const struct p2p_channels *cli_chan); | |
b5c9da8d | 1985 | |
7cfc4ac3 AGS |
1986 | /** |
1987 | * p2p_set_best_channels - Update best channel information | |
1988 | * @p2p: P2P module context from p2p_init() | |
1989 | * @freq_24: Frequency (MHz) of best channel in 2.4 GHz band | |
1990 | * @freq_5: Frequency (MHz) of best channel in 5 GHz band | |
1991 | * @freq_overall: Frequency (MHz) of best channel overall | |
1992 | */ | |
1993 | void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5, | |
1994 | int freq_overall); | |
1995 | ||
6cb27aa8 JM |
1996 | /** |
1997 | * p2p_set_own_freq_preference - Set own preference for channel | |
1998 | * @p2p: P2P module context from p2p_init() | |
1999 | * @freq: Frequency (MHz) of the preferred channel or 0 if no preference | |
2000 | * | |
2001 | * This function can be used to set a preference on the operating channel based | |
2002 | * on frequencies used on the other virtual interfaces that share the same | |
2003 | * radio. If non-zero, this is used to try to avoid multi-channel concurrency. | |
2004 | */ | |
2005 | void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq); | |
2006 | ||
231bbd03 SS |
2007 | const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p); |
2008 | ||
5efa9e2a JB |
2009 | /** |
2010 | * p2p_get_group_num_members - Get number of members in group | |
2011 | * @group: P2P group context from p2p_group_init() | |
2012 | * Returns: Number of members in the group | |
2013 | */ | |
2014 | unsigned int p2p_get_group_num_members(struct p2p_group *group); | |
2015 | ||
6d908514 KV |
2016 | /** |
2017 | * p2p_client_limit_reached - Check if client limit is reached | |
2018 | * @group: P2P group context from p2p_group_init() | |
2019 | * Returns: 1 if no of clients limit reached | |
2020 | */ | |
2021 | int p2p_client_limit_reached(struct p2p_group *group); | |
2022 | ||
5efa9e2a JB |
2023 | /** |
2024 | * p2p_iterate_group_members - Iterate group members | |
2025 | * @group: P2P group context from p2p_group_init() | |
2026 | * @next: iteration pointer, must be a pointer to a void * that is set to %NULL | |
2027 | * on the first call and not modified later | |
bf035663 | 2028 | * Returns: A P2P Device Address for each call and %NULL for no more members |
5efa9e2a JB |
2029 | */ |
2030 | const u8 * p2p_iterate_group_members(struct p2p_group *group, void **next); | |
2031 | ||
c9aab274 JJ |
2032 | /** |
2033 | * p2p_group_get_dev_addr - Get a P2P Device Address of a client in a group | |
2034 | * @group: P2P group context from p2p_group_init() | |
2035 | * @addr: P2P Interface Address of the client | |
2036 | * Returns: P2P Device Address of the client if found or %NULL if no match | |
2037 | * found | |
2038 | */ | |
2039 | const u8 * p2p_group_get_dev_addr(struct p2p_group *group, const u8 *addr); | |
2040 | ||
1d277f02 JM |
2041 | /** |
2042 | * p2p_group_is_client_connected - Check whether a specific client is connected | |
2043 | * @group: P2P group context from p2p_group_init() | |
2044 | * @addr: P2P Device Address of the client | |
2045 | * Returns: 1 if client is connected or 0 if not | |
2046 | */ | |
2047 | int p2p_group_is_client_connected(struct p2p_group *group, const u8 *dev_addr); | |
2048 | ||
8e76f48a TB |
2049 | /** |
2050 | * p2p_group_get_config - Get the group configuration | |
2051 | * @group: P2P group context from p2p_group_init() | |
2052 | * Returns: The group configuration pointer | |
2053 | */ | |
2054 | const struct p2p_group_config * p2p_group_get_config(struct p2p_group *group); | |
2055 | ||
c6386e5c TB |
2056 | /** |
2057 | * p2p_loop_on_all_groups - Run the given callback on all groups | |
2058 | * @p2p: P2P module context from p2p_init() | |
2059 | * @group_callback: The callback function pointer | |
2060 | * @user_data: Some user data pointer which can be %NULL | |
2061 | * | |
2062 | * The group_callback function can stop the iteration by returning 0. | |
2063 | */ | |
2064 | void p2p_loop_on_all_groups(struct p2p_data *p2p, | |
2065 | int (*group_callback)(struct p2p_group *group, | |
2066 | void *user_data), | |
2067 | void *user_data); | |
2068 | ||
c165d81e JB |
2069 | /** |
2070 | * p2p_get_peer_found - Get P2P peer info structure of a found peer | |
2071 | * @p2p: P2P module context from p2p_init() | |
2072 | * @addr: P2P Device Address of the peer or %NULL to indicate the first peer | |
2073 | * @next: Whether to select the peer entry following the one indicated by addr | |
2074 | * Returns: The first P2P peer info available or %NULL if no such peer exists | |
2075 | */ | |
2076 | const struct p2p_peer_info * | |
2077 | p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next); | |
2078 | ||
f95cac27 JMB |
2079 | /** |
2080 | * p2p_remove_wps_vendor_extensions - Remove WPS vendor extensions | |
2081 | * @p2p: P2P module context from p2p_init() | |
2082 | */ | |
2083 | void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p); | |
2084 | ||
2085 | /** | |
2086 | * p2p_add_wps_vendor_extension - Add a WPS vendor extension | |
2087 | * @p2p: P2P module context from p2p_init() | |
2088 | * @vendor_ext: The vendor extensions to add | |
2089 | * Returns: 0 on success, -1 on failure | |
2090 | * | |
2091 | * The wpabuf structures in the array are owned by the P2P | |
2092 | * module after this call. | |
2093 | */ | |
2094 | int p2p_add_wps_vendor_extension(struct p2p_data *p2p, | |
2095 | const struct wpabuf *vendor_ext); | |
2096 | ||
2463ba70 JS |
2097 | /** |
2098 | * p2p_set_oper_channel - Set the P2P operating channel | |
2099 | * @p2p: P2P module context from p2p_init() | |
2100 | * @op_reg_class: Operating regulatory class to set | |
2101 | * @op_channel: operating channel to set | |
2102 | * @cfg_op_channel : Whether op_channel is hardcoded in configuration | |
2103 | * Returns: 0 on success, -1 on failure | |
2104 | */ | |
2105 | int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel, | |
2106 | int cfg_op_channel); | |
2107 | ||
21d996f7 JM |
2108 | /** |
2109 | * p2p_set_pref_chan - Set P2P preferred channel list | |
2110 | * @p2p: P2P module context from p2p_init() | |
2111 | * @num_pref_chan: Number of entries in pref_chan list | |
2112 | * @pref_chan: Preferred channels or %NULL to remove preferences | |
2113 | * Returns: 0 on success, -1 on failure | |
2114 | */ | |
2115 | int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan, | |
2116 | const struct p2p_channel *pref_chan); | |
2117 | ||
556b30da JM |
2118 | /** |
2119 | * p2p_set_no_go_freq - Set no GO channel ranges | |
2120 | * @p2p: P2P module context from p2p_init() | |
2121 | * @list: Channel ranges or %NULL to remove restriction | |
2122 | * Returns: 0 on success, -1 on failure | |
2123 | */ | |
2124 | int p2p_set_no_go_freq(struct p2p_data *p2p, | |
2125 | const struct wpa_freq_range_list *list); | |
2126 | ||
303f60d3 JM |
2127 | /** |
2128 | * p2p_in_progress - Check whether a P2P operation is progress | |
2129 | * @p2p: P2P module context from p2p_init() | |
b5ea9937 JM |
2130 | * Returns: 0 if P2P module is idle, 1 if an operation is in progress but not |
2131 | * in search state, or 2 if search state operation is in progress | |
303f60d3 JM |
2132 | */ |
2133 | int p2p_in_progress(struct p2p_data *p2p); | |
2134 | ||
e5a359cf RC |
2135 | const char * p2p_wps_method_text(enum p2p_wps_method method); |
2136 | ||
4f219667 JM |
2137 | /** |
2138 | * p2p_set_config_timeout - Set local config timeouts | |
2139 | * @p2p: P2P module context from p2p_init() | |
2140 | * @go_timeout: Time in 10 ms units it takes to start the GO mode | |
2141 | * @client_timeout: Time in 10 ms units it takes to start the client mode | |
2142 | */ | |
2143 | void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout, | |
2144 | u8 client_timeout); | |
2145 | ||
9675ce35 JM |
2146 | int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie); |
2147 | int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie); | |
2148 | int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie); | |
2149 | int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie); | |
2150 | int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie); | |
2151 | int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie); | |
2152 | int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie); | |
2153 | int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie); | |
2154 | int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem); | |
2155 | int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem); | |
2156 | int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p, | |
2157 | const struct wpabuf *elem); | |
2158 | struct wpabuf * wifi_display_encaps(struct wpabuf *subelems); | |
2159 | ||
96beff11 JM |
2160 | /** |
2161 | * p2p_set_disc_int - Set min/max discoverable interval for p2p_find | |
2162 | * @p2p: P2P module context from p2p_init() | |
2163 | * @min_disc_int: minDiscoverableInterval (in units of 100 TU); default 1 | |
2164 | * @max_disc_int: maxDiscoverableInterval (in units of 100 TU); default 3 | |
2165 | * @max_disc_tu: Maximum number of TUs (1.024 ms) for discoverable interval; or | |
2166 | * -1 not to limit | |
2167 | * Returns: 0 on success, or -1 on failure | |
2168 | * | |
2169 | * This function can be used to configure minDiscoverableInterval and | |
2170 | * maxDiscoverableInterval parameters for the Listen state during device | |
2171 | * discovery (p2p_find). A random number of 100 TU units is picked for each | |
2172 | * Listen state iteration from [min_disc_int,max_disc_int] range. | |
2173 | * | |
2174 | * max_disc_tu can be used to futher limit the discoverable duration. However, | |
2175 | * it should be noted that use of this parameter is not recommended since it | |
2176 | * would not be compliant with the P2P specification. | |
2177 | */ | |
2178 | int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int, | |
2179 | int max_disc_tu); | |
2180 | ||
4c559019 JM |
2181 | /** |
2182 | * p2p_get_state_txt - Get current P2P state for debug purposes | |
2183 | * @p2p: P2P module context from p2p_init() | |
2184 | * Returns: Name of the current P2P module state | |
2185 | * | |
2186 | * It should be noted that the P2P module state names are internal information | |
2187 | * and subject to change at any point, i.e., this information should be used | |
2188 | * mainly for debugging purposes. | |
2189 | */ | |
2190 | const char * p2p_get_state_txt(struct p2p_data *p2p); | |
2191 | ||
59b45d1a | 2192 | struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p, |
abe44e3c JM |
2193 | int client_freq, |
2194 | const u8 *go_dev_addr, | |
2195 | const u8 *ssid, size_t ssid_len); | |
59b45d1a | 2196 | struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p, |
abe44e3c JM |
2197 | int client_freq, |
2198 | const u8 *go_dev_addr, | |
2199 | const u8 *ssid, size_t ssid_len); | |
93588780 | 2200 | |
db6ae69e JM |
2201 | struct p2p_nfc_params { |
2202 | int sel; | |
2203 | const u8 *wsc_attr; | |
2204 | size_t wsc_len; | |
2205 | const u8 *p2p_attr; | |
2206 | size_t p2p_len; | |
2207 | ||
2208 | enum { | |
74df9ecd | 2209 | NO_ACTION, JOIN_GROUP, AUTH_JOIN, INIT_GO_NEG, RESP_GO_NEG, |
59b45d1a | 2210 | BOTH_GO, PEER_CLIENT |
db6ae69e JM |
2211 | } next_step; |
2212 | struct p2p_peer_info *peer; | |
2213 | u8 oob_dev_pw[WPS_OOB_PUBKEY_HASH_LEN + 2 + | |
2214 | WPS_OOB_DEVICE_PASSWORD_LEN]; | |
2215 | size_t oob_dev_pw_len; | |
23318bea JM |
2216 | int go_freq; |
2217 | u8 go_dev_addr[ETH_ALEN]; | |
d9d1b952 | 2218 | u8 go_ssid[SSID_MAX_LEN]; |
23318bea | 2219 | size_t go_ssid_len; |
db6ae69e JM |
2220 | }; |
2221 | ||
2222 | int p2p_process_nfc_connection_handover(struct p2p_data *p2p, | |
2223 | struct p2p_nfc_params *params); | |
2224 | ||
c4f87a70 JM |
2225 | void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id, |
2226 | int go_intent, | |
2227 | const u8 *own_interface_addr); | |
2228 | ||
1b928f96 JM |
2229 | int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len); |
2230 | ||
36716eef TB |
2231 | void p2p_loop_on_known_peers(struct p2p_data *p2p, |
2232 | void (*peer_callback)(struct p2p_peer_info *peer, | |
2233 | void *user_data), | |
2234 | void *user_data); | |
2235 | ||
86bd36f0 JM |
2236 | void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem); |
2237 | ||
6d908514 KV |
2238 | void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr); |
2239 | ||
ae9d45f3 KV |
2240 | struct p2ps_advertisement * |
2241 | p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id); | |
2242 | int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id, | |
2243 | const char *adv_str, u8 svc_state, | |
2244 | u16 config_methods, const char *svc_info); | |
2245 | int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id); | |
c40a8918 | 2246 | void p2p_service_flush_asp(struct p2p_data *p2p); |
6df08d03 | 2247 | struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p); |
ae9d45f3 | 2248 | |
b22128ef | 2249 | #endif /* P2P_H */ |