1 /******************************************************************************
2 *
3 * Copyright (C) 2004-2012 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 * This file contains the pan action functions for the state machine.
22 *
23 ******************************************************************************/
24
25 #include "bt_target.h"
26
27 #if defined(PAN_INCLUDED) && (PAN_INCLUDED == TRUE)
28
29 #include "bta_api.h"
30 #include "bta_sys.h"
31 #include "bd.h"
32 #include "gki.h"
33 #include "pan_api.h"
34 #include "bta_pan_api.h"
35 #include "bta_pan_int.h"
36 #include "bta_pan_co.h"
37 #include <string.h>
38
39
40 /* RX and TX data flow mask */
41 #define BTA_PAN_RX_MASK 0x0F
42 #define BTA_PAN_TX_MASK 0xF0
43
44 /*******************************************************************************
45 **
46 ** Function bta_pan_conn_state_cback
47 **
48 ** Description Connection state callback from Pan profile
49 **
50 **
51 ** Returns void
52 **
53 *******************************************************************************/
bta_pan_conn_state_cback(UINT16 handle,BD_ADDR bd_addr,tPAN_RESULT state,BOOLEAN is_role_change,UINT8 src_role,UINT8 dst_role)54 static void bta_pan_conn_state_cback(UINT16 handle, BD_ADDR bd_addr, tPAN_RESULT state,
55 BOOLEAN is_role_change, UINT8 src_role, UINT8 dst_role)
56 {
57
58 tBTA_PAN_CONN * p_buf;
59 tBTA_PAN_SCB *p_scb;
60
61
62 if ((p_buf = (tBTA_PAN_CONN *) GKI_getbuf(sizeof(tBTA_PAN_CONN))) != NULL)
63 {
64 if((state == PAN_SUCCESS) && !is_role_change)
65 {
66 p_buf->hdr.event = BTA_PAN_CONN_OPEN_EVT;
67 if((p_scb = bta_pan_scb_by_handle(handle)) == NULL)
68 {
69 /* allocate an scb */
70 p_scb = bta_pan_scb_alloc();
71
72 }
73 /* we have exceeded maximum number of connections */
74 if(!p_scb)
75 {
76 PAN_Disconnect (handle);
77 return;
78 }
79
80 p_scb->handle = handle;
81 p_scb->local_role = src_role;
82 p_scb->peer_role = dst_role;
83 p_scb->pan_flow_enable = TRUE;
84 bdcpy(p_scb->bd_addr, bd_addr);
85 GKI_init_q(&p_scb->data_queue);
86
87 if(src_role == PAN_ROLE_CLIENT)
88 p_scb->app_id = bta_pan_cb.app_id[0];
89 else if (src_role == PAN_ROLE_GN_SERVER)
90 p_scb->app_id = bta_pan_cb.app_id[1];
91 else if (src_role == PAN_ROLE_NAP_SERVER)
92 p_scb->app_id = bta_pan_cb.app_id[2];
93
94 }
95 else if((state != PAN_SUCCESS) && !is_role_change)
96 {
97 p_buf->hdr.event = BTA_PAN_CONN_CLOSE_EVT;
98
99 }
100 else
101 {
102 return;
103 }
104
105 p_buf->result = state;
106 p_buf->hdr.layer_specific = handle;
107 bta_sys_sendmsg(p_buf);
108
109 }
110
111
112
113 }
114
115 /*******************************************************************************
116 **
117 ** Function bta_pan_data_flow_cb
118 **
119 ** Description Data flow status callback from PAN
120 **
121 **
122 ** Returns void
123 **
124 *******************************************************************************/
bta_pan_data_flow_cb(UINT16 handle,tPAN_RESULT result)125 static void bta_pan_data_flow_cb(UINT16 handle, tPAN_RESULT result)
126 {
127 BT_HDR *p_buf;
128 tBTA_PAN_SCB *p_scb;
129
130 if((p_scb = bta_pan_scb_by_handle(handle)) == NULL)
131 return;
132
133 if(result == PAN_TX_FLOW_ON)
134 {
135 if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
136 {
137 p_buf->layer_specific = handle;
138 p_buf->event = BTA_PAN_BNEP_FLOW_ENABLE_EVT;
139 bta_sys_sendmsg(p_buf);
140 }
141 bta_pan_co_rx_flow(handle, p_scb->app_id, TRUE);
142
143 }
144 else if(result == PAN_TX_FLOW_OFF)
145 {
146
147 p_scb->pan_flow_enable = FALSE;
148 bta_pan_co_rx_flow(handle, p_scb->app_id, FALSE);
149
150 }
151
152
153 }
154
155
156 /*******************************************************************************
157 **
158 ** Function bta_pan_data_buf_ind_cback
159 **
160 ** Description data indication callback from pan profile
161 **
162 **
163 ** Returns void
164 **
165 *******************************************************************************/
bta_pan_data_buf_ind_cback(UINT16 handle,BD_ADDR src,BD_ADDR dst,UINT16 protocol,BT_HDR * p_buf,BOOLEAN ext,BOOLEAN forward)166 static void bta_pan_data_buf_ind_cback(UINT16 handle, BD_ADDR src, BD_ADDR dst, UINT16 protocol, BT_HDR *p_buf,
167 BOOLEAN ext, BOOLEAN forward)
168 {
169 tBTA_PAN_SCB *p_scb;
170 BT_HDR * p_event;
171 BT_HDR *p_new_buf;
172
173 if ( sizeof(tBTA_PAN_DATA_PARAMS) > p_buf->offset )
174 {
175 /* offset smaller than data structure in front of actual data */
176 p_new_buf = (BT_HDR *)GKI_getpoolbuf( PAN_POOL_ID );
177 if(!p_new_buf)
178 {
179 APPL_TRACE_WARNING0("Cannot get a PAN GKI buffer");
180 GKI_freebuf( p_buf );
181 return;
182 }
183 else
184 {
185 memcpy( (UINT8 *)(p_new_buf+1)+sizeof(tBTA_PAN_DATA_PARAMS), (UINT8 *)(p_buf+1)+p_buf->offset, p_buf->len );
186 p_new_buf->len = p_buf->len;
187 p_new_buf->offset = sizeof(tBTA_PAN_DATA_PARAMS);
188 GKI_freebuf( p_buf );
189 }
190 }
191 else
192 {
193 p_new_buf = p_buf;
194 }
195 /* copy params into the space before the data */
196 bdcpy(((tBTA_PAN_DATA_PARAMS *)p_new_buf)->src, src);
197 bdcpy(((tBTA_PAN_DATA_PARAMS *)p_new_buf)->dst, dst);
198 ((tBTA_PAN_DATA_PARAMS *)p_new_buf)->protocol = protocol;
199 ((tBTA_PAN_DATA_PARAMS *)p_new_buf)->ext = ext;
200 ((tBTA_PAN_DATA_PARAMS *)p_new_buf)->forward = forward;
201
202
203 if((p_scb = bta_pan_scb_by_handle(handle)) == NULL)
204 {
205
206 GKI_freebuf( p_new_buf );
207 return;
208 }
209
210 GKI_enqueue(&p_scb->data_queue, p_new_buf);
211 if ((p_event = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
212 {
213 p_event->layer_specific = handle;
214 p_event->event = BTA_PAN_RX_FROM_BNEP_READY_EVT;
215 bta_sys_sendmsg(p_event);
216 }
217
218 }
219
220
221 /*******************************************************************************
222 **
223 ** Function bta_pan_pfilt_ind_cback
224 **
225 ** Description
226 **
227 **
228 ** Returns void
229 **
230 *******************************************************************************/
bta_pan_pfilt_ind_cback(UINT16 handle,BOOLEAN indication,tBNEP_RESULT result,UINT16 num_filters,UINT8 * p_filters)231 static void bta_pan_pfilt_ind_cback(UINT16 handle, BOOLEAN indication,tBNEP_RESULT result,
232 UINT16 num_filters, UINT8 *p_filters)
233 {
234
235 bta_pan_co_pfilt_ind(handle, indication, (tBTA_PAN_STATUS)((result == BNEP_SUCCESS) ? BTA_PAN_SUCCESS : BTA_PAN_FAIL),
236 num_filters, p_filters);
237
238
239 }
240
241
242 /*******************************************************************************
243 **
244 ** Function bta_pan_mfilt_ind_cback
245 **
246 ** Description
247 **
248 **
249 ** Returns void
250 **
251 *******************************************************************************/
bta_pan_mfilt_ind_cback(UINT16 handle,BOOLEAN indication,tBNEP_RESULT result,UINT16 num_mfilters,UINT8 * p_mfilters)252 static void bta_pan_mfilt_ind_cback(UINT16 handle, BOOLEAN indication,tBNEP_RESULT result,
253 UINT16 num_mfilters, UINT8 *p_mfilters)
254 {
255
256 bta_pan_co_mfilt_ind(handle, indication, (tBTA_PAN_STATUS)((result == BNEP_SUCCESS) ? BTA_PAN_SUCCESS : BTA_PAN_FAIL),
257 num_mfilters, p_mfilters);
258 }
259
260
261
262 /*******************************************************************************
263 **
264 ** Function bta_pan_enable
265 **
266 ** Description
267 **
268 **
269 **
270 ** Returns void
271 **
272 *******************************************************************************/
bta_pan_enable(tBTA_PAN_DATA * p_data)273 void bta_pan_enable(tBTA_PAN_DATA *p_data)
274 {
275 tPAN_REGISTER reg_data;
276 UINT16 initial_discoverability;
277 UINT16 initial_connectability;
278 UINT16 d_window;
279 UINT16 d_interval;
280 UINT16 c_window;
281 UINT16 c_interval;
282
283 bta_pan_cb.p_cback = p_data->api_enable.p_cback;
284
285 reg_data.pan_conn_state_cb = bta_pan_conn_state_cback;
286 reg_data.pan_bridge_req_cb = NULL;
287 reg_data.pan_data_buf_ind_cb = bta_pan_data_buf_ind_cback;
288 reg_data.pan_data_ind_cb = NULL;
289 reg_data.pan_pfilt_ind_cb = bta_pan_pfilt_ind_cback;
290 reg_data.pan_mfilt_ind_cb = bta_pan_mfilt_ind_cback;
291 reg_data.pan_tx_data_flow_cb = bta_pan_data_flow_cb;
292
293 /* read connectability and discoverability settings.
294 Pan profile changes the settings. We have to change it back to
295 be consistent with other bta subsystems */
296 initial_connectability = BTM_ReadConnectability(&c_window, &c_interval);
297 initial_discoverability = BTM_ReadDiscoverability(&d_window, &d_interval);
298
299
300 PAN_Register (®_data);
301
302
303 /* set it back to original value */
304 BTM_SetDiscoverability(initial_discoverability, d_window, d_interval);
305 BTM_SetConnectability(initial_connectability, c_window, c_interval);
306
307 bta_pan_cb.flow_mask = bta_pan_co_init(&bta_pan_cb.q_level);
308 bta_pan_cb.p_cback(BTA_PAN_ENABLE_EVT, NULL);
309
310 }
311
312 /*******************************************************************************
313 **
314 ** Function bta_pan_set_role
315 **
316 ** Description
317 **
318 ** Returns void
319 **
320 *******************************************************************************/
bta_pan_set_role(tBTA_PAN_DATA * p_data)321 void bta_pan_set_role(tBTA_PAN_DATA *p_data)
322 {
323 tPAN_RESULT status;
324 tBTA_PAN_SET_ROLE set_role;
325 UINT8 sec[3];
326
327
328 bta_pan_cb.app_id[0] = p_data->api_set_role.user_app_id;
329 bta_pan_cb.app_id[1] = p_data->api_set_role.gn_app_id;
330 bta_pan_cb.app_id[2] = p_data->api_set_role.nap_app_id;
331
332 sec[0] = p_data->api_set_role.user_sec_mask;
333 sec[1] = p_data->api_set_role.gn_sec_mask;
334 sec[2] = p_data->api_set_role.nap_sec_mask;
335
336 /* set security correctly in api and here */
337 status = PAN_SetRole(p_data->api_set_role.role, sec,
338 p_data->api_set_role.user_name,
339 p_data->api_set_role.gn_name,
340 p_data->api_set_role.nap_name);
341
342 set_role.role = p_data->api_set_role.role;
343 if(status == PAN_SUCCESS)
344 {
345 if(p_data->api_set_role.role & PAN_ROLE_NAP_SERVER )
346 bta_sys_add_uuid(UUID_SERVCLASS_NAP);
347 else
348 bta_sys_remove_uuid(UUID_SERVCLASS_NAP);
349
350 if(p_data->api_set_role.role & PAN_ROLE_GN_SERVER )
351 bta_sys_add_uuid(UUID_SERVCLASS_GN);
352 else
353 bta_sys_remove_uuid(UUID_SERVCLASS_GN);
354
355 if(p_data->api_set_role.role & PAN_ROLE_CLIENT )
356 bta_sys_add_uuid(UUID_SERVCLASS_PANU);
357 else
358 bta_sys_remove_uuid(UUID_SERVCLASS_PANU);
359
360 set_role.status = BTA_PAN_SUCCESS;
361 }
362 /* if status is not success clear everything */
363 else
364 {
365 PAN_SetRole(0, 0, NULL, NULL, NULL);
366 bta_sys_remove_uuid(UUID_SERVCLASS_NAP);
367 bta_sys_remove_uuid(UUID_SERVCLASS_GN);
368 bta_sys_remove_uuid(UUID_SERVCLASS_PANU);
369 set_role.status = BTA_PAN_FAIL;
370 }
371 bta_pan_cb.p_cback(BTA_PAN_SET_ROLE_EVT, (tBTA_PAN *)&set_role);
372 }
373
374
375
376 /*******************************************************************************
377 **
378 ** Function bta_pan_disable
379 **
380 ** Description
381 **
382 **
383 **
384 ** Returns void
385 **
386 *******************************************************************************/
bta_pan_disable(void)387 void bta_pan_disable(void)
388 {
389
390 BT_HDR *p_buf;
391 tBTA_PAN_SCB *p_scb = &bta_pan_cb.scb[0];
392 UINT8 i;
393
394
395 /* close all connections */
396 PAN_SetRole (0, NULL, NULL, NULL, NULL);
397
398 #if ( BTM_EIR_SERVER_INCLUDED == TRUE )&&(BTA_EIR_CANNED_UUID_LIST != TRUE)
399 bta_sys_remove_uuid(UUID_SERVCLASS_NAP);
400 bta_sys_remove_uuid(UUID_SERVCLASS_GN);
401 bta_sys_remove_uuid(UUID_SERVCLASS_PANU);
402 #endif
403 /* free all queued up data buffers */
404 for (i = 0; i < BTA_PAN_NUM_CONN; i++, p_scb++)
405 {
406 if (p_scb->in_use)
407 {
408 while((p_buf = (BT_HDR *)GKI_dequeue(&p_scb->data_queue)) != NULL)
409 GKI_freebuf(p_buf);
410
411 bta_pan_co_close(p_scb->handle, p_scb->app_id);
412
413 }
414 }
415
416
417
418 PAN_Deregister();
419
420 }
421
422 /*******************************************************************************
423 **
424 ** Function bta_pan_open
425 **
426 ** Description
427 **
428 ** Returns void
429 **
430 *******************************************************************************/
bta_pan_open(tBTA_PAN_SCB * p_scb,tBTA_PAN_DATA * p_data)431 void bta_pan_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data)
432 {
433 tPAN_RESULT status;
434 tBTA_PAN_OPEN data;
435 tBTA_PAN_OPENING opening;
436
437
438 status = PAN_Connect (p_data->api_open.bd_addr, p_data->api_open.local_role, p_data->api_open.peer_role,
439 &p_scb->handle);
440
441
442 if(status == PAN_SUCCESS)
443 {
444
445 bdcpy(p_scb->bd_addr, p_data->api_open.bd_addr);
446 p_scb->local_role = p_data->api_open.local_role;
447 p_scb->peer_role = p_data->api_open.peer_role;
448 bdcpy(opening.bd_addr, p_data->api_open.bd_addr);
449 opening.handle = p_scb->handle;
450 bta_pan_cb.p_cback(BTA_PAN_OPENING_EVT, (tBTA_PAN *)&opening);
451
452
453 }
454 else
455 {
456 bta_pan_scb_dealloc(p_scb);
457 bdcpy(data.bd_addr, p_data->api_open.bd_addr);
458 data.status = BTA_PAN_FAIL;
459 bta_pan_cb.p_cback(BTA_PAN_OPEN_EVT, (tBTA_PAN *)&data);
460 }
461
462 }
463
464
465 /*******************************************************************************
466 **
467 ** Function bta_pan_close
468 **
469 ** Description
470 **
471 **
472 **
473 ** Returns void
474 **
475 *******************************************************************************/
bta_pan_api_close(tBTA_PAN_SCB * p_scb,tBTA_PAN_DATA * p_data)476 void bta_pan_api_close (tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data)
477 {
478 tBTA_PAN_CONN * p_buf;
479
480 PAN_Disconnect (p_scb->handle);
481
482
483 /* send an event to BTA so that application will get the connection
484 close event */
485 if ((p_buf = (tBTA_PAN_CONN *) GKI_getbuf(sizeof(tBTA_PAN_CONN))) != NULL)
486 {
487 p_buf->hdr.event = BTA_PAN_CONN_CLOSE_EVT;
488
489 p_buf->hdr.layer_specific = p_scb->handle;
490 bta_sys_sendmsg(p_buf);
491
492 }
493 }
494
495
496 /*******************************************************************************
497 **
498 ** Function bta_pan_conn_open
499 **
500 ** Description process connection open event
501 **
502 ** Returns void
503 **
504 *******************************************************************************/
bta_pan_conn_open(tBTA_PAN_SCB * p_scb,tBTA_PAN_DATA * p_data)505 void bta_pan_conn_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data)
506 {
507
508 tBTA_PAN_OPEN data;
509
510 bdcpy(data.bd_addr, p_scb->bd_addr);
511 data.handle = p_scb->handle;
512 data.local_role = p_scb->local_role;
513 data.peer_role = p_scb->peer_role;
514
515 if(p_data->conn.result == PAN_SUCCESS)
516 {
517 data.status = BTA_PAN_SUCCESS;
518 bta_pan_co_open(p_scb->handle, p_scb->app_id, p_scb->local_role, p_scb->peer_role, p_scb->bd_addr);
519
520 }
521 else
522 {
523 bta_pan_scb_dealloc(p_scb);
524 data.status = BTA_PAN_FAIL;
525 }
526
527 p_scb->pan_flow_enable = TRUE;
528 p_scb->app_flow_enable = TRUE;
529
530 bta_sys_conn_open( BTA_ID_PAN ,p_scb->app_id, p_scb->bd_addr);
531
532 bta_pan_cb.p_cback(BTA_PAN_OPEN_EVT, (tBTA_PAN *)&data);
533
534
535 }
536
537 /*******************************************************************************
538 **
539 ** Function bta_pan_conn_close
540 **
541 ** Description process connection close event
542 **
543 **
544 **
545 ** Returns void
546 **
547 *******************************************************************************/
bta_pan_conn_close(tBTA_PAN_SCB * p_scb,tBTA_PAN_DATA * p_data)548 void bta_pan_conn_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data)
549 {
550
551 tBTA_PAN_CLOSE data;
552 BT_HDR *p_buf;
553
554 data.handle = p_data->hdr.layer_specific;
555
556
557 bta_sys_conn_close( BTA_ID_PAN ,p_scb->app_id, p_scb->bd_addr);
558
559 /* free all queued up data buffers */
560 while((p_buf = (BT_HDR *)GKI_dequeue(&p_scb->data_queue)) != NULL)
561 GKI_freebuf(p_buf);
562
563 GKI_init_q(&p_scb->data_queue);
564
565 bta_pan_co_close(p_scb->handle, p_scb->app_id);
566
567 bta_pan_scb_dealloc(p_scb);
568
569 bta_pan_cb.p_cback(BTA_PAN_CLOSE_EVT, (tBTA_PAN *)&data);
570
571 }
572
573
574
575
576 /*******************************************************************************
577 **
578 ** Function bta_pan_rx_path
579 **
580 ** Description Handle data on the RX path (data sent from the phone to
581 ** BTA).
582 **
583 **
584 ** Returns void
585 **
586 *******************************************************************************/
bta_pan_rx_path(tBTA_PAN_SCB * p_scb,tBTA_PAN_DATA * p_data)587 void bta_pan_rx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data)
588 {
589 /* if data path configured for rx pull */
590 if ((bta_pan_cb.flow_mask & BTA_PAN_RX_MASK) == BTA_PAN_RX_PULL)
591 {
592 /* if we can accept data */
593 if (p_scb->pan_flow_enable == TRUE)
594 {
595 /* call application callout function for rx path */
596 bta_pan_co_rx_path(p_scb->handle, p_scb->app_id);
597 }
598 }
599 /* else data path configured for rx push */
600 else
601 {
602
603 }
604 }
605
606 /*******************************************************************************
607 **
608 ** Function bta_pan_tx_path
609 **
610 ** Description Handle the TX data path (data sent from BTA to the phone).
611 **
612 **
613 ** Returns void
614 **
615 *******************************************************************************/
bta_pan_tx_path(tBTA_PAN_SCB * p_scb,tBTA_PAN_DATA * p_data)616 void bta_pan_tx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data)
617 {
618
619 BT_HDR * p_buf;
620 /* if data path configured for tx pull */
621 if ((bta_pan_cb.flow_mask & BTA_PAN_TX_MASK) == BTA_PAN_TX_PULL)
622 {
623 /* call application callout function for tx path */
624 bta_pan_co_tx_path(p_scb->handle, p_scb->app_id);
625
626 /* free data that exceeds queue level */
627 while(p_scb->data_queue.count > bta_pan_cb.q_level)
628 GKI_freebuf(GKI_dequeue(&p_scb->data_queue));
629 }
630 /* if configured for zero copy push */
631 else if ((bta_pan_cb.flow_mask & BTA_PAN_TX_MASK) == BTA_PAN_TX_PUSH_BUF)
632 {
633 /* if app can accept data */
634 if (p_scb->app_flow_enable == TRUE)
635 {
636 /* read data from the queue */
637 if ((p_buf = (BT_HDR *)GKI_dequeue(&p_scb->data_queue)) != NULL)
638 {
639 /* send data to application */
640 bta_pan_co_tx_writebuf(p_scb->handle,
641 p_scb->app_id,
642 ((tBTA_PAN_DATA_PARAMS *)p_buf)->src,
643 ((tBTA_PAN_DATA_PARAMS *)p_buf)->dst,
644 ((tBTA_PAN_DATA_PARAMS *)p_buf)->protocol,
645 p_buf,
646 ((tBTA_PAN_DATA_PARAMS *)p_buf)->ext,
647 ((tBTA_PAN_DATA_PARAMS *)p_buf)->forward);
648
649 }
650 /* free data that exceeds queue level */
651 while(p_scb->data_queue.count > bta_pan_cb.q_level)
652 GKI_freebuf(GKI_dequeue(&p_scb->data_queue));
653
654 /* if there is more data to be passed to
655 upper layer */
656 if(p_scb->data_queue.count)
657 {
658 if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
659 {
660 p_buf->layer_specific = p_scb->handle;
661 p_buf->event = BTA_PAN_RX_FROM_BNEP_READY_EVT;
662 bta_sys_sendmsg(p_buf);
663 }
664
665 }
666
667 }
668 }
669 }
670
671 /*******************************************************************************
672 **
673 ** Function bta_pan_tx_flow
674 **
675 ** Description Set the application flow control state.
676 **
677 **
678 ** Returns void
679 **
680 *******************************************************************************/
bta_pan_tx_flow(tBTA_PAN_SCB * p_scb,tBTA_PAN_DATA * p_data)681 void bta_pan_tx_flow(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data)
682 {
683 p_scb->app_flow_enable = p_data->ci_tx_flow.enable;
684 }
685
686 /*******************************************************************************
687 **
688 ** Function bta_pan_write_buf
689 **
690 ** Description Handle a bta_pan_ci_rx_writebuf() and send data to PAN.
691 **
692 **
693 ** Returns void
694 **
695 *******************************************************************************/
bta_pan_write_buf(tBTA_PAN_SCB * p_scb,tBTA_PAN_DATA * p_data)696 void bta_pan_write_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data)
697 {
698 if ((bta_pan_cb.flow_mask & BTA_PAN_RX_MASK) == BTA_PAN_RX_PUSH_BUF)
699 {
700
701 PAN_WriteBuf (p_scb->handle,
702 ((tBTA_PAN_DATA_PARAMS *)p_data)->dst,
703 ((tBTA_PAN_DATA_PARAMS *)p_data)->src,
704 ((tBTA_PAN_DATA_PARAMS *)p_data)->protocol,
705 (BT_HDR *)p_data,
706 ((tBTA_PAN_DATA_PARAMS *)p_data)->ext);
707
708 }
709 }
710
711 /*******************************************************************************
712 **
713 ** Function bta_pan_free_buf
714 **
715 ** Description Frees the data buffer during closing state
716 **
717 **
718 ** Returns void
719 **
720 *******************************************************************************/
bta_pan_free_buf(tBTA_PAN_SCB * p_scb,tBTA_PAN_DATA * p_data)721 void bta_pan_free_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data)
722 {
723
724 GKI_freebuf(p_data);
725
726 }
727
728 #endif /* PAN_INCLUDED */
729