1 /******************************************************************************
2 *
3 * Copyright (C) 2010-2014 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19
20 /******************************************************************************
21 *
22 * This is the main implementation file for the NFA P2P.
23 *
24 ******************************************************************************/
25 #include <string.h>
26 #include "nfc_api.h"
27 #include "nfa_sys.h"
28 #include "nfa_sys_int.h"
29 #include "nfa_dm_int.h"
30 #include "llcp_api.h"
31 #include "llcp_defs.h"
32 #include "nfa_p2p_api.h"
33 #include "nfa_p2p_int.h"
34
35 /*****************************************************************************
36 ** Global Variables
37 *****************************************************************************/
38
39 /* system manager control block definition */
40 #if NFA_DYNAMIC_MEMORY == FALSE
41 tNFA_P2P_CB nfa_p2p_cb;
42 #endif
43
44 /*****************************************************************************
45 ** Static Functions
46 *****************************************************************************/
47
48 /* event handler function type */
49 static BOOLEAN nfa_p2p_evt_hdlr (BT_HDR *p_msg);
50
51 /* disable function type */
52 static void nfa_p2p_sys_disable (void);
53 static void nfa_p2p_update_active_listen (void);
54
55 /* debug functions type */
56 #if (BT_TRACE_VERBOSE == TRUE)
57 static char *nfa_p2p_llcp_state_code (tNFA_P2P_LLCP_STATE state_code);
58 #endif
59
60 /*****************************************************************************
61 ** Constants
62 *****************************************************************************/
63 /* timeout to restore active listen mode if no RF activation on passive mode */
64 #define NFA_P2P_RESTORE_ACTIVE_LISTEN_TIMEOUT 5000
65
66 static const tNFA_SYS_REG nfa_p2p_sys_reg =
67 {
68 NULL,
69 nfa_p2p_evt_hdlr,
70 nfa_p2p_sys_disable,
71 NULL
72 };
73
74 #define NFA_P2P_NUM_ACTIONS (NFA_P2P_LAST_EVT & 0x00ff)
75
76 /* type for action functions */
77 typedef BOOLEAN (*tNFA_P2P_ACTION) (tNFA_P2P_MSG *p_data);
78
79 /* action function list */
80 const tNFA_P2P_ACTION nfa_p2p_action[] =
81 {
82 nfa_p2p_reg_server, /* NFA_P2P_API_REG_SERVER_EVT */
83 nfa_p2p_reg_client, /* NFA_P2P_API_REG_CLIENT_EVT */
84 nfa_p2p_dereg, /* NFA_P2P_API_DEREG_EVT */
85 nfa_p2p_accept_connection, /* NFA_P2P_API_ACCEPT_CONN_EVT */
86 nfa_p2p_reject_connection, /* NFA_P2P_API_REJECT_CONN_EVT */
87 nfa_p2p_disconnect, /* NFA_P2P_API_DISCONNECT_EVT */
88 nfa_p2p_create_data_link_connection, /* NFA_P2P_API_CONNECT_EVT */
89 nfa_p2p_send_ui, /* NFA_P2P_API_SEND_UI_EVT */
90 nfa_p2p_send_data, /* NFA_P2P_API_SEND_DATA_EVT */
91 nfa_p2p_set_local_busy, /* NFA_P2P_API_SET_LOCAL_BUSY_EVT */
92 nfa_p2p_get_link_info, /* NFA_P2P_API_GET_LINK_INFO_EVT */
93 nfa_p2p_get_remote_sap, /* NFA_P2P_API_GET_REMOTE_SAP_EVT */
94 nfa_p2p_set_llcp_cfg, /* NFA_P2P_API_SET_LLCP_CFG_EVT */
95 nfa_p2p_restart_rf_discovery /* NFA_P2P_INT_RESTART_RF_DISC_EVT */
96 };
97
98 /*******************************************************************************
99 **
100 ** Function nfa_p2p_discovery_cback
101 **
102 ** Description Processing event from discovery callback for listening
103 **
104 **
105 ** Returns None
106 **
107 *******************************************************************************/
nfa_p2p_discovery_cback(tNFA_DM_RF_DISC_EVT event,tNFC_DISCOVER * p_data)108 void nfa_p2p_discovery_cback (tNFA_DM_RF_DISC_EVT event, tNFC_DISCOVER *p_data)
109 {
110 tNFA_CONN_EVT_DATA evt_data;
111
112 P2P_TRACE_DEBUG1 ("nfa_p2p_discovery_cback (): event:0x%02X", event);
113
114 switch (event)
115 {
116 case NFA_DM_RF_DISC_START_EVT:
117 if (p_data->status == NFC_STATUS_OK)
118 {
119 nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_LISTENING;
120 nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_DISCOVERY;
121 }
122 break;
123
124 case NFA_DM_RF_DISC_ACTIVATED_EVT:
125
126 nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_LISTEN_ACTIVE;
127
128 /* notify NFC link activation */
129 memcpy (&(evt_data.activated.activate_ntf),
130 &(p_data->activate),
131 sizeof (tNFC_ACTIVATE_DEVT));
132 nfa_dm_conn_cback_event_notify (NFA_ACTIVATED_EVT, &evt_data);
133
134 if ((p_data->activate.protocol == NFC_PROTOCOL_NFC_DEP)
135 &&(p_data->activate.intf_param.type == NFC_INTERFACE_NFC_DEP))
136 {
137 nfa_p2p_activate_llcp (p_data);
138
139 /* stop timer not to deactivate LLCP link on passive mode */
140 nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer);
141 }
142 break;
143
144 case NFA_DM_RF_DISC_DEACTIVATED_EVT:
145
146 if ( (nfa_p2p_cb.rf_disc_state != NFA_DM_RFST_LISTEN_ACTIVE)
147 &&(nfa_p2p_cb.rf_disc_state != NFA_DM_RFST_LISTEN_SLEEP) )
148 {
149 /* this is not for P2P listen
150 ** DM broadcasts deactivaiton event in listen sleep state.
151 */
152 break;
153 }
154
155 /* notify deactivation */
156 if ( (p_data->deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP)
157 ||(p_data->deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP_AF) )
158 {
159 nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_LISTEN_SLEEP;
160 evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_SLEEP;
161 }
162 else
163 {
164 nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_DISCOVERY;
165 evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_IDLE;
166 }
167 nfa_dm_conn_cback_event_notify (NFA_DEACTIVATED_EVT, &evt_data);
168 break;
169
170 default:
171 P2P_TRACE_ERROR0 ("Unexpected event");
172 break;
173 }
174 }
175
176 /*******************************************************************************
177 **
178 ** Function nfa_p2p_update_active_listen_timeout_cback
179 **
180 ** Description Timeout while waiting for passive mode activation
181 **
182 ** Returns void
183 **
184 *******************************************************************************/
nfa_p2p_update_active_listen_timeout_cback(TIMER_LIST_ENT * p_tle)185 static void nfa_p2p_update_active_listen_timeout_cback (TIMER_LIST_ENT *p_tle)
186 {
187 NFA_TRACE_ERROR0 ("nfa_p2p_update_active_listen_timeout_cback()");
188
189 /* restore active listen mode */
190 nfa_p2p_update_active_listen ();
191 }
192
193 /*******************************************************************************
194 **
195 ** Function nfa_p2p_update_active_listen
196 **
197 ** Description Remove active listen mode temporarily or restore it
198 **
199 **
200 ** Returns None
201 **
202 *******************************************************************************/
nfa_p2p_update_active_listen(void)203 static void nfa_p2p_update_active_listen (void)
204 {
205 tNFA_DM_DISC_TECH_PROTO_MASK p2p_listen_mask = 0;
206 BT_HDR *p_msg;
207
208 P2P_TRACE_DEBUG1 ("nfa_p2p_update_active_listen (): listen_tech_mask_to_restore:0x%x",
209 nfa_p2p_cb.listen_tech_mask_to_restore);
210
211 /* if active listen mode was removed temporarily */
212 if (nfa_p2p_cb.listen_tech_mask_to_restore)
213 {
214 /* restore listen technologies */
215 nfa_p2p_cb.listen_tech_mask = nfa_p2p_cb.listen_tech_mask_to_restore;
216 nfa_p2p_cb.listen_tech_mask_to_restore = 0;
217 nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer);
218 }
219 else
220 {
221 /* start timer in case of no passive activation */
222 nfa_p2p_cb.active_listen_restore_timer.p_cback = (TIMER_CBACK *)nfa_p2p_update_active_listen_timeout_cback;
223 nfa_sys_start_timer (&nfa_p2p_cb.active_listen_restore_timer, 0, NFA_P2P_RESTORE_ACTIVE_LISTEN_TIMEOUT);
224
225 /* save listen techonologies */
226 nfa_p2p_cb.listen_tech_mask_to_restore = nfa_p2p_cb.listen_tech_mask;
227
228 /* remove active listen mode */
229 nfa_p2p_cb.listen_tech_mask &= ~( NFA_TECHNOLOGY_MASK_A_ACTIVE|NFA_TECHNOLOGY_MASK_F_ACTIVE);
230 }
231
232 if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID)
233 {
234 nfa_dm_delete_rf_discover (nfa_p2p_cb.dm_disc_handle);
235 nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID;
236 }
237
238 /* collect listen technologies with NFC-DEP protocol */
239 if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A)
240 p2p_listen_mask |= NFA_DM_DISC_MASK_LA_NFC_DEP;
241
242 if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F)
243 p2p_listen_mask |= NFA_DM_DISC_MASK_LF_NFC_DEP;
244
245 if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A_ACTIVE)
246 p2p_listen_mask |= NFA_DM_DISC_MASK_LAA_NFC_DEP;
247
248 if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F_ACTIVE)
249 p2p_listen_mask |= NFA_DM_DISC_MASK_LFA_NFC_DEP;
250
251 /* Configure listen technologies and protocols and register callback to NFA DM discovery */
252 nfa_p2p_cb.dm_disc_handle = nfa_dm_add_rf_discover (p2p_listen_mask,
253 NFA_DM_DISC_HOST_ID_DH,
254 nfa_p2p_discovery_cback);
255
256 /* restart RF discovery to update RF technologies */
257 if ((p_msg = (BT_HDR *) GKI_getbuf (sizeof(BT_HDR))) != NULL)
258 {
259 p_msg->event = NFA_P2P_INT_RESTART_RF_DISC_EVT;
260 nfa_sys_sendmsg (p_msg);
261 }
262 }
263
264 /*******************************************************************************
265 **
266 ** Function nfa_p2p_llcp_link_cback
267 **
268 ** Description Processing event from LLCP link management callback
269 **
270 **
271 ** Returns None
272 **
273 *******************************************************************************/
nfa_p2p_llcp_link_cback(UINT8 event,UINT8 reason)274 void nfa_p2p_llcp_link_cback (UINT8 event, UINT8 reason)
275 {
276 tNFA_LLCP_ACTIVATED llcp_activated;
277 tNFA_LLCP_DEACTIVATED llcp_deactivated;
278
279 P2P_TRACE_DEBUG2 ("nfa_p2p_llcp_link_cback () event:0x%x, reason:0x%x", event, reason);
280
281 if (event == LLCP_LINK_ACTIVATION_COMPLETE_EVT)
282 {
283 LLCP_GetLinkMIU (&nfa_p2p_cb.local_link_miu, &nfa_p2p_cb.remote_link_miu);
284 nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_ACTIVATED;
285
286 if (nfa_p2p_cb.is_initiator)
287 {
288 /* notify NFA DM to send Activate Event to applicaiton with status */
289 nfa_dm_notify_activation_status (NFA_STATUS_OK, NULL);
290 }
291
292 llcp_activated.is_initiator = nfa_p2p_cb.is_initiator;
293 llcp_activated.local_link_miu = nfa_p2p_cb.local_link_miu;
294 llcp_activated.remote_link_miu = nfa_p2p_cb.remote_link_miu;
295 llcp_activated.remote_lsc = LLCP_GetRemoteLSC ();
296 llcp_activated.remote_wks = LLCP_GetRemoteWKS ();
297
298 nfa_dm_act_conn_cback_notify (NFA_LLCP_ACTIVATED_EVT, (tNFA_CONN_EVT_DATA *) &llcp_activated);
299
300 }
301 else if (event == LLCP_LINK_ACTIVATION_FAILED_EVT)
302 {
303 nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_IDLE;
304
305 if (nfa_p2p_cb.is_initiator)
306 {
307 /* notify NFA DM to send Activate Event to applicaiton with status */
308 nfa_dm_notify_activation_status (NFA_STATUS_FAILED, NULL);
309 }
310
311 nfa_dm_rf_deactivate (NFA_DEACTIVATE_TYPE_DISCOVERY);
312 }
313 else if (event == LLCP_LINK_FIRST_PACKET_RECEIVED_EVT)
314 {
315 nfa_dm_act_conn_cback_notify (NFA_LLCP_FIRST_PACKET_RECEIVED_EVT, NULL);
316 }
317 else /* LLCP_LINK_DEACTIVATED_EVT */
318 {
319 nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_IDLE;
320
321 /* if got RF link loss without any rx LLC PDU */
322 if (reason == LLCP_LINK_RF_LINK_LOSS_NO_RX_LLC)
323 {
324 /* if it was active listen mode */
325 if ( (nfa_p2p_cb.is_active_mode)
326 &&(!nfa_p2p_cb.is_initiator))
327 {
328 /* if it didn't retry without active listen mode and passive mode is available */
329 if ( (nfa_p2p_cb.listen_tech_mask_to_restore == 0x00)
330 &&(nfa_p2p_cb.listen_tech_mask & ( NFA_TECHNOLOGY_MASK_A
331 |NFA_TECHNOLOGY_MASK_F)))
332 {
333 P2P_TRACE_DEBUG0 ("Retry without active listen mode");
334
335 /* retry without active listen mode */
336 nfa_p2p_update_active_listen ();
337 }
338 }
339 else if (nfa_p2p_cb.listen_tech_mask_to_restore)
340 {
341 nfa_sys_start_timer (&nfa_p2p_cb.active_listen_restore_timer, 0, NFA_P2P_RESTORE_ACTIVE_LISTEN_TIMEOUT);
342 }
343
344 reason = LLCP_LINK_RF_LINK_LOSS_ERR;
345 }
346 else
347 {
348 if (nfa_p2p_cb.listen_tech_mask_to_restore)
349 {
350 /* restore active listen mode */
351 nfa_p2p_update_active_listen ();
352 }
353 }
354
355 llcp_deactivated.reason = reason;
356 nfa_dm_act_conn_cback_notify (NFA_LLCP_DEACTIVATED_EVT, (tNFA_CONN_EVT_DATA *)&llcp_deactivated);
357
358 if (reason != LLCP_LINK_RF_LINK_LOSS_ERR) /* if NFC link is still up */
359 {
360 if (nfa_p2p_cb.is_initiator)
361 {
362 nfa_dm_rf_deactivate (NFA_DEACTIVATE_TYPE_DISCOVERY);
363 }
364 else if ((nfa_p2p_cb.is_active_mode) && (reason == LLCP_LINK_TIMEOUT))
365 {
366 /*
367 ** target needs to trun off RF in case of receiving invalid frame from initiator
368 */
369 P2P_TRACE_DEBUG0 ("Got LLCP_LINK_TIMEOUT in active mode on target");
370 nfa_dm_rf_deactivate (NFA_DEACTIVATE_TYPE_DISCOVERY);
371 }
372 }
373 }
374 }
375
376 /*******************************************************************************
377 **
378 ** Function nfa_p2p_activate_llcp
379 **
380 ** Description Activate LLCP link
381 **
382 **
383 ** Returns None
384 **
385 *******************************************************************************/
nfa_p2p_activate_llcp(tNFC_DISCOVER * p_data)386 void nfa_p2p_activate_llcp (tNFC_DISCOVER *p_data)
387 {
388 tLLCP_ACTIVATE_CONFIG config;
389
390 P2P_TRACE_DEBUG0 ("nfa_p2p_activate_llcp ()");
391
392 if ( (p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_A)
393 ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_F)
394 ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_A_ACTIVE)
395 ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_F_ACTIVE) )
396 {
397 config.is_initiator = TRUE;
398 }
399 else
400 {
401 config.is_initiator = FALSE;
402 }
403
404 if ( (p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_A_ACTIVE)
405 ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_F_ACTIVE)
406 ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_LISTEN_A_ACTIVE)
407 ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_LISTEN_F_ACTIVE) )
408 {
409 nfa_p2p_cb.is_active_mode = TRUE;
410 }
411 else
412 {
413 nfa_p2p_cb.is_active_mode = FALSE;
414 }
415
416 nfa_p2p_cb.is_initiator = config.is_initiator;
417
418 config.max_payload_size = p_data->activate.intf_param.intf_param.pa_nfc.max_payload_size;
419 config.waiting_time = p_data->activate.intf_param.intf_param.pa_nfc.waiting_time;
420 config.p_gen_bytes = p_data->activate.intf_param.intf_param.pa_nfc.gen_bytes;
421 config.gen_bytes_len = p_data->activate.intf_param.intf_param.pa_nfc.gen_bytes_len;
422
423 LLCP_ActivateLink (config, nfa_p2p_llcp_link_cback);
424 }
425
426 /*******************************************************************************
427 **
428 ** Function nfa_p2p_deactivate_llcp
429 **
430 ** Description Deactivate LLCP link
431 **
432 **
433 ** Returns None
434 **
435 *******************************************************************************/
nfa_p2p_deactivate_llcp(void)436 void nfa_p2p_deactivate_llcp (void)
437 {
438 P2P_TRACE_DEBUG0 ("nfa_p2p_deactivate_llcp ()");
439
440 LLCP_DeactivateLink ();
441 }
442
443 /*******************************************************************************
444 **
445 ** Function nfa_p2p_init
446 **
447 ** Description Initialize NFA P2P
448 **
449 **
450 ** Returns None
451 **
452 *******************************************************************************/
nfa_p2p_init(void)453 void nfa_p2p_init (void)
454 {
455 UINT8 xx;
456
457 P2P_TRACE_DEBUG0 ("nfa_p2p_init ()");
458
459 /* initialize control block */
460 memset (&nfa_p2p_cb, 0, sizeof (tNFA_P2P_CB));
461 nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID;
462 nfa_p2p_cb.trace_level = APPL_INITIAL_TRACE_LEVEL;
463
464 for (xx = 0; xx < LLCP_MAX_SDP_TRANSAC; xx++)
465 {
466 nfa_p2p_cb.sdp_cb[xx].local_sap = LLCP_INVALID_SAP;
467 }
468
469 /* register message handler on NFA SYS */
470 nfa_sys_register (NFA_ID_P2P, &nfa_p2p_sys_reg);
471 }
472
473
474 /*******************************************************************************
475 **
476 ** Function nfa_p2p_sys_disable
477 **
478 ** Description Deregister NFA P2P from NFA SYS/DM
479 **
480 **
481 ** Returns None
482 **
483 *******************************************************************************/
nfa_p2p_sys_disable(void)484 static void nfa_p2p_sys_disable (void)
485 {
486 P2P_TRACE_DEBUG0 ("nfa_p2p_sys_disable()");
487
488 nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer);
489
490 /* deregister message handler on NFA SYS */
491 nfa_sys_deregister (NFA_ID_P2P);
492 }
493
494 /*******************************************************************************
495 **
496 ** Function nfa_p2p_set_config
497 **
498 ** Description Set General bytes and WT parameters for LLCP
499 **
500 **
501 ** Returns void
502 **
503 *******************************************************************************/
nfa_p2p_set_config(tNFA_DM_DISC_TECH_PROTO_MASK disc_mask)504 void nfa_p2p_set_config (tNFA_DM_DISC_TECH_PROTO_MASK disc_mask)
505 {
506 UINT8 wt, gen_bytes_len = LLCP_MAX_GEN_BYTES;
507 UINT8 params[LLCP_MAX_GEN_BYTES + 5], *p, length;
508
509 P2P_TRACE_DEBUG0 ("nfa_p2p_set_config ()");
510
511 LLCP_GetDiscoveryConfig (&wt, params + 2, &gen_bytes_len);
512 if (nfa_dm_is_p2p_paused ())
513 {
514 gen_bytes_len = 0;
515 }
516
517 if (disc_mask & ( NFA_DM_DISC_MASK_PA_NFC_DEP
518 |NFA_DM_DISC_MASK_PF_NFC_DEP
519 |NFA_DM_DISC_MASK_PAA_NFC_DEP
520 |NFA_DM_DISC_MASK_PFA_NFC_DEP) )
521 {
522 p = params;
523
524 UINT8_TO_BE_STREAM (p, NFC_PMID_ATR_REQ_GEN_BYTES);
525 UINT8_TO_BE_STREAM (p, gen_bytes_len);
526
527 p += gen_bytes_len;
528 length = gen_bytes_len + 2;
529
530 nfa_dm_check_set_config (length, params, FALSE);
531 }
532
533 if (disc_mask & ( NFA_DM_DISC_MASK_LA_NFC_DEP
534 |NFA_DM_DISC_MASK_LF_NFC_DEP
535 |NFA_DM_DISC_MASK_LAA_NFC_DEP
536 |NFA_DM_DISC_MASK_LFA_NFC_DEP) )
537 {
538 p = params;
539
540 UINT8_TO_BE_STREAM (p, NFC_PMID_ATR_RES_GEN_BYTES);
541 UINT8_TO_BE_STREAM (p, gen_bytes_len);
542
543 p += gen_bytes_len;
544 length = gen_bytes_len + 2;
545
546 UINT8_TO_BE_STREAM (p, NFC_PMID_WT);
547 UINT8_TO_BE_STREAM (p, NCI_PARAM_LEN_WT);
548 UINT8_TO_BE_STREAM (p, wt);
549
550 length += 3;
551
552 nfa_dm_check_set_config (length, params, FALSE);
553 }
554 }
555
556 /*******************************************************************************
557 **
558 ** Function nfa_p2p_enable_listening
559 **
560 ** Description Configure listen technologies and protocols for LLCP
561 ** If LLCP WKS is changed then LLCP Gen bytes will be updated.
562 **
563 ** Returns void
564 **
565 *******************************************************************************/
nfa_p2p_enable_listening(tNFA_SYS_ID sys_id,BOOLEAN update_wks)566 void nfa_p2p_enable_listening (tNFA_SYS_ID sys_id, BOOLEAN update_wks)
567 {
568 tNFA_DM_DISC_TECH_PROTO_MASK p2p_listen_mask = 0;
569
570 P2P_TRACE_DEBUG2 ("nfa_p2p_enable_listening () sys_id = %d, update_wks = %d",
571 sys_id, update_wks);
572
573 if (sys_id == NFA_ID_P2P)
574 nfa_p2p_cb.is_p2p_listening = TRUE;
575 else if (sys_id == NFA_ID_CHO)
576 nfa_p2p_cb.is_cho_listening = TRUE;
577 else if (sys_id == NFA_ID_SNEP)
578 nfa_p2p_cb.is_snep_listening = TRUE;
579
580 if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID)
581 {
582 /* if need to update WKS in LLCP Gen bytes */
583 if (update_wks)
584 {
585 /* update LLCP Gen Bytes */
586 nfa_p2p_set_config (NFA_DM_DISC_MASK_PA_NFC_DEP|NFA_DM_DISC_MASK_LA_NFC_DEP);
587 }
588 return;
589 }
590
591 /* collect listen technologies with NFC-DEP protocol */
592 if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A)
593 p2p_listen_mask |= NFA_DM_DISC_MASK_LA_NFC_DEP;
594
595 if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F)
596 p2p_listen_mask |= NFA_DM_DISC_MASK_LF_NFC_DEP;
597
598 if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A_ACTIVE)
599 p2p_listen_mask |= NFA_DM_DISC_MASK_LAA_NFC_DEP;
600
601 if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F_ACTIVE)
602 p2p_listen_mask |= NFA_DM_DISC_MASK_LFA_NFC_DEP;
603
604 if (p2p_listen_mask)
605 {
606 /* Configure listen technologies and protocols and register callback to NFA DM discovery */
607 nfa_p2p_cb.dm_disc_handle = nfa_dm_add_rf_discover (p2p_listen_mask,
608 NFA_DM_DISC_HOST_ID_DH,
609 nfa_p2p_discovery_cback);
610 }
611 }
612
613 /*******************************************************************************
614 **
615 ** Function nfa_p2p_disable_listening
616 **
617 ** Description Remove listen technologies and protocols for LLCP and
618 ** deregister callback from NFA DM discovery if all of P2P/CHO/SNEP
619 ** doesn't listen LLCP any more.
620 ** If LLCP WKS is changed then ATR_RES will be updated.
621 **
622 ** Returns void
623 **
624 *******************************************************************************/
nfa_p2p_disable_listening(tNFA_SYS_ID sys_id,BOOLEAN update_wks)625 void nfa_p2p_disable_listening (tNFA_SYS_ID sys_id, BOOLEAN update_wks)
626 {
627
628 P2P_TRACE_DEBUG2 ("nfa_p2p_disable_listening () sys_id = %d, update_wks = %d",
629 sys_id, update_wks);
630
631 if (sys_id == NFA_ID_P2P)
632 nfa_p2p_cb.is_p2p_listening = FALSE;
633 else if (sys_id == NFA_ID_CHO)
634 nfa_p2p_cb.is_cho_listening = FALSE;
635 else if (sys_id == NFA_ID_SNEP)
636 nfa_p2p_cb.is_snep_listening = FALSE;
637
638 if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID)
639 {
640 if ( (nfa_p2p_cb.is_p2p_listening == FALSE)
641 &&(nfa_p2p_cb.is_cho_listening == FALSE)
642 &&(nfa_p2p_cb.is_snep_listening == FALSE) )
643 {
644 nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_IDLE;
645 nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_IDLE;
646
647 nfa_dm_delete_rf_discover (nfa_p2p_cb.dm_disc_handle);
648 nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID;
649 }
650 else if (update_wks)
651 {
652 /* update LLCP Gen Bytes */
653 nfa_p2p_set_config (NFA_DM_DISC_MASK_PA_NFC_DEP|NFA_DM_DISC_MASK_LA_NFC_DEP);
654 }
655 }
656 }
657
658 /*******************************************************************************
659 **
660 ** Function nfa_p2p_update_listen_tech
661 **
662 ** Description Update P2P listen technologies. If there is change then
663 ** restart or stop P2P listen.
664 **
665 ** Returns void
666 **
667 *******************************************************************************/
nfa_p2p_update_listen_tech(tNFA_TECHNOLOGY_MASK tech_mask)668 void nfa_p2p_update_listen_tech (tNFA_TECHNOLOGY_MASK tech_mask)
669 {
670 P2P_TRACE_DEBUG1 ("nfa_p2p_update_listen_tech () tech_mask = 0x%x", tech_mask);
671
672 if (nfa_p2p_cb.listen_tech_mask_to_restore)
673 {
674 nfa_p2p_cb.listen_tech_mask_to_restore = 0;
675 nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer);
676 }
677
678 if (nfa_p2p_cb.listen_tech_mask != tech_mask)
679 {
680 nfa_p2p_cb.listen_tech_mask = tech_mask;
681
682 if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID)
683 {
684 nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_IDLE;
685
686 nfa_dm_delete_rf_discover (nfa_p2p_cb.dm_disc_handle);
687 nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID;
688 }
689
690 /* restart discovery without updating sub-module status */
691 if (nfa_p2p_cb.is_p2p_listening)
692 nfa_p2p_enable_listening (NFA_ID_P2P, FALSE);
693 else if (nfa_p2p_cb.is_cho_listening)
694 nfa_p2p_enable_listening (NFA_ID_CHO, FALSE);
695 else if (nfa_p2p_cb.is_snep_listening)
696 nfa_p2p_enable_listening (NFA_ID_SNEP, FALSE);
697 }
698 }
699
700 /*******************************************************************************
701 **
702 ** Function nfa_p2p_evt_hdlr
703 **
704 ** Description Processing event for NFA P2P
705 **
706 **
707 ** Returns TRUE if p_msg needs to be deallocated
708 **
709 *******************************************************************************/
nfa_p2p_evt_hdlr(BT_HDR * p_hdr)710 static BOOLEAN nfa_p2p_evt_hdlr (BT_HDR *p_hdr)
711 {
712 BOOLEAN delete_msg = TRUE;
713 UINT16 event;
714
715 tNFA_P2P_MSG *p_msg = (tNFA_P2P_MSG *)p_hdr;
716
717 #if (BT_TRACE_VERBOSE == TRUE)
718 P2P_TRACE_DEBUG2 ("nfa_p2p_evt_hdlr (): LLCP State [%s], Event [%s]",
719 nfa_p2p_llcp_state_code (nfa_p2p_cb.llcp_state),
720 nfa_p2p_evt_code (p_msg->hdr.event));
721 #else
722 P2P_TRACE_DEBUG2 ("nfa_p2p_evt_hdlr (): State 0x%02x, Event 0x%02x",
723 nfa_p2p_cb.llcp_state, p_msg->hdr.event);
724 #endif
725
726 event = p_msg->hdr.event & 0x00ff;
727
728 /* execute action functions */
729 if (event < NFA_P2P_NUM_ACTIONS)
730 {
731 delete_msg = (*nfa_p2p_action[event]) (p_msg);
732 }
733 else
734 {
735 P2P_TRACE_ERROR0 ("Unhandled event");
736 }
737
738 return delete_msg;
739 }
740
741
742 #if (BT_TRACE_VERBOSE == TRUE)
743 /*******************************************************************************
744 **
745 ** Function nfa_p2p_llcp_state_code
746 **
747 ** Description
748 **
749 ** Returns string of state
750 **
751 *******************************************************************************/
nfa_p2p_llcp_state_code(tNFA_P2P_LLCP_STATE state_code)752 static char *nfa_p2p_llcp_state_code (tNFA_P2P_LLCP_STATE state_code)
753 {
754 switch (state_code)
755 {
756 case NFA_P2P_LLCP_STATE_IDLE:
757 return "Link IDLE";
758 case NFA_P2P_LLCP_STATE_LISTENING:
759 return "Link LISTENING";
760 case NFA_P2P_LLCP_STATE_ACTIVATED:
761 return "Link ACTIVATED";
762 default:
763 return "Unknown state";
764 }
765 }
766
767 /*******************************************************************************
768 **
769 ** Function nfa_p2p_evt_code
770 **
771 ** Description
772 **
773 ** Returns string of event
774 **
775 *******************************************************************************/
nfa_p2p_evt_code(UINT16 evt_code)776 char *nfa_p2p_evt_code (UINT16 evt_code)
777 {
778 switch (evt_code)
779 {
780 case NFA_P2P_API_REG_SERVER_EVT:
781 return "API_REG_SERVER";
782 case NFA_P2P_API_REG_CLIENT_EVT:
783 return "API_REG_CLIENT";
784 case NFA_P2P_API_DEREG_EVT:
785 return "API_DEREG";
786 case NFA_P2P_API_ACCEPT_CONN_EVT:
787 return "API_ACCEPT_CONN";
788 case NFA_P2P_API_REJECT_CONN_EVT:
789 return "API_REJECT_CONN";
790 case NFA_P2P_API_DISCONNECT_EVT:
791 return "API_DISCONNECT";
792 case NFA_P2P_API_CONNECT_EVT:
793 return "API_CONNECT";
794 case NFA_P2P_API_SEND_UI_EVT:
795 return "API_SEND_UI";
796 case NFA_P2P_API_SEND_DATA_EVT:
797 return "API_SEND_DATA";
798 case NFA_P2P_API_SET_LOCAL_BUSY_EVT:
799 return "API_SET_LOCAL_BUSY";
800 case NFA_P2P_API_GET_LINK_INFO_EVT:
801 return "API_GET_LINK_INFO";
802 case NFA_P2P_API_GET_REMOTE_SAP_EVT:
803 return "API_GET_REMOTE_SAP";
804 case NFA_P2P_API_SET_LLCP_CFG_EVT:
805 return "API_SET_LLCP_CFG_EVT";
806 case NFA_P2P_INT_RESTART_RF_DISC_EVT:
807 return "RESTART_RF_DISC_EVT";
808 default:
809 return "Unknown event";
810 }
811 }
812 #endif /* Debug Functions */
813