1 /******************************************************************************
2 *
3 * Copyright (C) 1999-2012 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 main functions to support PAN profile
22 * commands and events.
23 *
24 *****************************************************************************/
25
26 #include <string.h>
27 #include "bt_common.h"
28 #include "bt_types.h"
29 #include "bnep_api.h"
30 #include "pan_api.h"
31 #include "pan_int.h"
32 #include "sdp_api.h"
33 #include "sdpdefs.h"
34 #include "l2c_api.h"
35 #include "hcidefs.h"
36 #include "btm_api.h"
37 #include "bta_sys.h"
38
39
40 /*******************************************************************************
41 **
42 ** Function PAN_Register
43 **
44 ** Description This function is called by the application to register
45 ** its callbacks with PAN profile. The application then
46 ** should set the PAN role explicitly.
47 **
48 ** Parameters: p_register - contains all callback function pointers
49 **
50 **
51 ** Returns none
52 **
53 *******************************************************************************/
PAN_Register(tPAN_REGISTER * p_register)54 void PAN_Register (tPAN_REGISTER *p_register)
55 {
56 BTM_SetDiscoverability (BTM_GENERAL_DISCOVERABLE, 0, 0);
57 BTM_SetConnectability (BTM_CONNECTABLE, 0, 0);
58
59 pan_register_with_bnep ();
60
61 if (!p_register)
62 return;
63
64 pan_cb.pan_conn_state_cb = p_register->pan_conn_state_cb;
65 pan_cb.pan_bridge_req_cb = p_register->pan_bridge_req_cb;
66 pan_cb.pan_data_buf_ind_cb = p_register->pan_data_buf_ind_cb;
67 pan_cb.pan_data_ind_cb = p_register->pan_data_ind_cb;
68 pan_cb.pan_pfilt_ind_cb = p_register->pan_pfilt_ind_cb;
69 pan_cb.pan_mfilt_ind_cb = p_register->pan_mfilt_ind_cb;
70 pan_cb.pan_tx_data_flow_cb = p_register->pan_tx_data_flow_cb;
71
72 return;
73 }
74
75
76
77 /*******************************************************************************
78 **
79 ** Function PAN_Deregister
80 **
81 ** Description This function is called by the application to de-register
82 ** its callbacks with PAN profile. This will make the PAN to
83 ** become inactive. This will deregister PAN services from SDP
84 ** and close all active connections
85 **
86 ** Parameters: none
87 **
88 **
89 ** Returns none
90 **
91 *******************************************************************************/
PAN_Deregister(void)92 void PAN_Deregister (void)
93 {
94 pan_cb.pan_bridge_req_cb = NULL;
95 pan_cb.pan_data_buf_ind_cb = NULL;
96 pan_cb.pan_data_ind_cb = NULL;
97 pan_cb.pan_conn_state_cb = NULL;
98 pan_cb.pan_pfilt_ind_cb = NULL;
99 pan_cb.pan_mfilt_ind_cb = NULL;
100
101 PAN_SetRole (PAN_ROLE_INACTIVE, NULL, NULL, NULL, NULL);
102 BNEP_Deregister ();
103
104 return;
105 }
106
107
108
109
110 /*******************************************************************************
111 **
112 ** Function PAN_SetRole
113 **
114 ** Description This function is called by the application to set the PAN
115 ** profile role. This should be called after PAN_Register.
116 ** This can be called any time to change the PAN role
117 **
118 ** Parameters: role - is bit map of roles to be active
119 ** PAN_ROLE_CLIENT is for PANU role
120 ** PAN_ROLE_GN_SERVER is for GN role
121 ** PAN_ROLE_NAP_SERVER is for NAP role
122 ** sec_mask - Security mask for different roles
123 ** It is array of UINT8. The byte represent the
124 ** security for roles PANU, GN and NAP in order
125 ** p_user_name - Service name for PANU role
126 ** p_gn_name - Service name for GN role
127 ** p_nap_name - Service name for NAP role
128 ** Can be NULL if user wants it to be default
129 **
130 ** Returns PAN_SUCCESS - if the role is set successfully
131 ** PAN_FAILURE - if the role is not valid
132 **
133 *******************************************************************************/
PAN_SetRole(UINT8 role,UINT8 * sec_mask,char * p_user_name,char * p_gn_name,char * p_nap_name)134 tPAN_RESULT PAN_SetRole (UINT8 role,
135 UINT8 *sec_mask,
136 char *p_user_name,
137 char *p_gn_name,
138 char *p_nap_name)
139 {
140 char *p_desc;
141 UINT8 security[3] = {PAN_PANU_SECURITY_LEVEL,
142 PAN_GN_SECURITY_LEVEL,
143 PAN_NAP_SECURITY_LEVEL};
144 UINT8 *p_sec;
145
146 /* If the role is not a valid combination reject it */
147 if ((!(role & (PAN_ROLE_CLIENT | PAN_ROLE_GN_SERVER | PAN_ROLE_NAP_SERVER))) &&
148 role != PAN_ROLE_INACTIVE)
149 {
150 PAN_TRACE_ERROR ("PAN role %d is invalid", role);
151 return PAN_FAILURE;
152 }
153
154 /* If the current active role is same as the role being set do nothing */
155 if (pan_cb.role == role)
156 {
157 PAN_TRACE_EVENT ("PAN role already was set to: %d", role);
158 return PAN_SUCCESS;
159 }
160
161 if (!sec_mask)
162 p_sec = security;
163 else
164 p_sec = sec_mask;
165
166 /* Register all the roles with SDP */
167 PAN_TRACE_API ("PAN_SetRole() called with role 0x%x", role);
168 #if (defined (PAN_SUPPORTS_ROLE_NAP) && PAN_SUPPORTS_ROLE_NAP == TRUE)
169 /* Check the service name */
170 if ((p_nap_name == NULL) || (*p_nap_name == 0))
171 p_nap_name = PAN_NAP_DEFAULT_SERVICE_NAME;
172
173 if (role & PAN_ROLE_NAP_SERVER)
174 {
175 /* Registering for NAP service with SDP */
176 p_desc = PAN_NAP_DEFAULT_DESCRIPTION;
177
178 if (pan_cb.pan_nap_sdp_handle != 0)
179 SDP_DeleteRecord (pan_cb.pan_nap_sdp_handle);
180
181 pan_cb.pan_nap_sdp_handle = pan_register_with_sdp (UUID_SERVCLASS_NAP, p_sec[2], p_nap_name, p_desc);
182 bta_sys_add_uuid(UUID_SERVCLASS_NAP);
183 }
184 /* If the NAP role is already active and now being cleared delete the record */
185 else if (pan_cb.role & PAN_ROLE_NAP_SERVER)
186 {
187 if (pan_cb.pan_nap_sdp_handle != 0)
188 {
189 SDP_DeleteRecord (pan_cb.pan_nap_sdp_handle);
190 pan_cb.pan_nap_sdp_handle = 0;
191 bta_sys_remove_uuid(UUID_SERVCLASS_NAP);
192 }
193 }
194 #endif
195
196 #if (defined (PAN_SUPPORTS_ROLE_GN) && PAN_SUPPORTS_ROLE_GN == TRUE)
197 /* Check the service name */
198 if ((p_gn_name == NULL) || (*p_gn_name == 0))
199 p_gn_name = PAN_GN_DEFAULT_SERVICE_NAME;
200
201 if (role & PAN_ROLE_GN_SERVER)
202 {
203 /* Registering for GN service with SDP */
204 p_desc = PAN_GN_DEFAULT_DESCRIPTION;
205
206 if (pan_cb.pan_gn_sdp_handle != 0)
207 SDP_DeleteRecord (pan_cb.pan_gn_sdp_handle);
208
209 pan_cb.pan_gn_sdp_handle = pan_register_with_sdp (UUID_SERVCLASS_GN, p_sec[1], p_gn_name, p_desc);
210 bta_sys_add_uuid(UUID_SERVCLASS_GN);
211 }
212 /* If the GN role is already active and now being cleared delete the record */
213 else if (pan_cb.role & PAN_ROLE_GN_SERVER)
214 {
215 if (pan_cb.pan_gn_sdp_handle != 0)
216 {
217 SDP_DeleteRecord (pan_cb.pan_gn_sdp_handle);
218 pan_cb.pan_gn_sdp_handle = 0;
219 bta_sys_remove_uuid(UUID_SERVCLASS_GN);
220 }
221 }
222 #endif
223
224 #if (defined (PAN_SUPPORTS_ROLE_PANU) && PAN_SUPPORTS_ROLE_PANU == TRUE)
225 /* Check the service name */
226 if ((p_user_name == NULL) || (*p_user_name == 0))
227 p_user_name = PAN_PANU_DEFAULT_SERVICE_NAME;
228
229 if (role & PAN_ROLE_CLIENT)
230 {
231 /* Registering for PANU service with SDP */
232 p_desc = PAN_PANU_DEFAULT_DESCRIPTION;
233 if (pan_cb.pan_user_sdp_handle != 0)
234 SDP_DeleteRecord (pan_cb.pan_user_sdp_handle);
235
236 pan_cb.pan_user_sdp_handle = pan_register_with_sdp (UUID_SERVCLASS_PANU, p_sec[0], p_user_name, p_desc);
237 bta_sys_add_uuid(UUID_SERVCLASS_PANU);
238 }
239 /* If the PANU role is already active and now being cleared delete the record */
240 else if (pan_cb.role & PAN_ROLE_CLIENT)
241 {
242 if (pan_cb.pan_user_sdp_handle != 0)
243 {
244 SDP_DeleteRecord (pan_cb.pan_user_sdp_handle);
245 pan_cb.pan_user_sdp_handle = 0;
246 bta_sys_remove_uuid(UUID_SERVCLASS_PANU);
247 }
248 }
249 #endif
250
251 /* Check if it is a shutdown request */
252 if (role == PAN_ROLE_INACTIVE)
253 pan_close_all_connections ();
254
255 pan_cb.role = role;
256 PAN_TRACE_EVENT ("PAN role set to: %d", role);
257 return PAN_SUCCESS;
258 }
259
260
261
262 /*******************************************************************************
263 **
264 ** Function PAN_Connect
265 **
266 ** Description This function is called by the application to initiate a
267 ** connection to the remote device
268 **
269 ** Parameters: rem_bda - BD Addr of the remote device
270 ** src_role - Role of the local device for the connection
271 ** dst_role - Role of the remote device for the connection
272 ** PAN_ROLE_CLIENT is for PANU role
273 ** PAN_ROLE_GN_SERVER is for GN role
274 ** PAN_ROLE_NAP_SERVER is for NAP role
275 ** *handle - Pointer for returning Handle to the connection
276 **
277 ** Returns PAN_SUCCESS - if the connection is initiated successfully
278 ** PAN_NO_RESOURCES - resources are not sufficent
279 ** PAN_FAILURE - if the connection cannot be initiated
280 ** this can be because of the combination of
281 ** src and dst roles may not be valid or
282 ** allowed at that point of time
283 **
284 *******************************************************************************/
PAN_Connect(BD_ADDR rem_bda,UINT8 src_role,UINT8 dst_role,UINT16 * handle)285 tPAN_RESULT PAN_Connect (BD_ADDR rem_bda, UINT8 src_role, UINT8 dst_role, UINT16 *handle)
286 {
287 tPAN_CONN *pcb;
288 tBNEP_RESULT result;
289 tBT_UUID src_uuid, dst_uuid;
290 UINT32 mx_chan_id;
291
292 /*
293 ** Initialize the handle so that in case of failure return values
294 ** the profile will not get confused
295 */
296 *handle = BNEP_INVALID_HANDLE;
297
298 /* Check if PAN is active or not */
299 if (!(pan_cb.role & src_role))
300 {
301 PAN_TRACE_ERROR ("PAN is not active for the role %d", src_role);
302 return PAN_FAILURE;
303 }
304
305 /* Validate the parameters before proceeding */
306 if ((src_role != PAN_ROLE_CLIENT && src_role != PAN_ROLE_GN_SERVER && src_role != PAN_ROLE_NAP_SERVER) ||
307 (dst_role != PAN_ROLE_CLIENT && dst_role != PAN_ROLE_GN_SERVER && dst_role != PAN_ROLE_NAP_SERVER))
308 {
309 PAN_TRACE_ERROR ("Either source %d or destination role %d is invalid", src_role, dst_role);
310 return PAN_FAILURE;
311 }
312
313 /* Check if connection exists for this remote device */
314 pcb = pan_get_pcb_by_addr (rem_bda);
315
316 /* If we are PANU for this role validate destination role */
317 if (src_role == PAN_ROLE_CLIENT)
318 {
319 if ((pan_cb.num_conns > 1) || (pan_cb.num_conns && (!pcb)))
320 {
321 /*
322 ** If the request is not for existing connection reject it
323 ** because if there is already a connection we cannot accept
324 ** another connection in PANU role
325 */
326 PAN_TRACE_ERROR ("Cannot make PANU connections when there are more than one connection");
327 return PAN_INVALID_SRC_ROLE;
328 }
329
330 src_uuid.uu.uuid16 = UUID_SERVCLASS_PANU;
331 if (dst_role == PAN_ROLE_CLIENT)
332 {
333 dst_uuid.uu.uuid16 = UUID_SERVCLASS_PANU;
334 }
335 else if (dst_role == PAN_ROLE_GN_SERVER)
336 {
337 dst_uuid.uu.uuid16 = UUID_SERVCLASS_GN;
338 }
339 else
340 {
341 dst_uuid.uu.uuid16 = UUID_SERVCLASS_NAP;
342 }
343 mx_chan_id = dst_uuid.uu.uuid16;
344 }
345 /* If destination is PANU role validate source role */
346 else if (dst_role == PAN_ROLE_CLIENT)
347 {
348 if (pan_cb.num_conns && pan_cb.active_role == PAN_ROLE_CLIENT && !pcb)
349 {
350 PAN_TRACE_ERROR ("Device already have a connection in PANU role");
351 return PAN_INVALID_SRC_ROLE;
352 }
353
354 dst_uuid.uu.uuid16 = UUID_SERVCLASS_PANU;
355 if (src_role == PAN_ROLE_GN_SERVER)
356 {
357 src_uuid.uu.uuid16 = UUID_SERVCLASS_GN;
358 }
359 else
360 {
361 src_uuid.uu.uuid16 = UUID_SERVCLASS_NAP;
362 }
363 mx_chan_id = src_uuid.uu.uuid16;
364 }
365 /* The role combination is not valid */
366 else
367 {
368 PAN_TRACE_ERROR ("Source %d and Destination roles %d are not valid combination",
369 src_role, dst_role);
370 return PAN_FAILURE;
371 }
372
373 /* Allocate control block and initiate connection */
374 if (!pcb)
375 pcb = pan_allocate_pcb (rem_bda, BNEP_INVALID_HANDLE);
376 if (!pcb)
377 {
378 PAN_TRACE_ERROR ("PAN Connection failed because of no resources");
379 return PAN_NO_RESOURCES;
380 }
381 BTM_SetOutService(rem_bda, BTM_SEC_SERVICE_BNEP_PANU, mx_chan_id);
382
383 PAN_TRACE_API ("PAN_Connect() for BD Addr %x.%x.%x.%x.%x.%x",
384 rem_bda[0], rem_bda[1], rem_bda[2], rem_bda[3], rem_bda[4], rem_bda[5]);
385 if (pcb->con_state == PAN_STATE_IDLE)
386 {
387 pan_cb.num_conns++;
388 }
389 else if (pcb->con_state == PAN_STATE_CONNECTED)
390 {
391 pcb->con_flags |= PAN_FLAGS_CONN_COMPLETED;
392 }
393 else
394 /* PAN connection is still in progress */
395 return PAN_WRONG_STATE;
396
397 pcb->con_state = PAN_STATE_CONN_START;
398 pcb->prv_src_uuid = pcb->src_uuid;
399 pcb->prv_dst_uuid = pcb->dst_uuid;
400
401 pcb->src_uuid = src_uuid.uu.uuid16;
402 pcb->dst_uuid = dst_uuid.uu.uuid16;
403
404 src_uuid.len = 2;
405 dst_uuid.len = 2;
406
407 result = BNEP_Connect (rem_bda, &src_uuid, &dst_uuid, &(pcb->handle));
408 if (result != BNEP_SUCCESS)
409 {
410 pan_release_pcb (pcb);
411 return result;
412 }
413
414 PAN_TRACE_DEBUG ("PAN_Connect() current active role set to %d", src_role);
415 pan_cb.prv_active_role = pan_cb.active_role;
416 pan_cb.active_role = src_role;
417 *handle = pcb->handle;
418 return PAN_SUCCESS;
419 }
420
421
422
423
424 /*******************************************************************************
425 **
426 ** Function PAN_Disconnect
427 **
428 ** Description This is used to disconnect the connection
429 **
430 ** Parameters: handle - handle for the connection
431 **
432 ** Returns PAN_SUCCESS - if the connection is closed successfully
433 ** PAN_FAILURE - if the connection is not found or
434 ** there is an error in disconnecting
435 **
436 *******************************************************************************/
PAN_Disconnect(UINT16 handle)437 tPAN_RESULT PAN_Disconnect (UINT16 handle)
438 {
439 tPAN_CONN *pcb;
440 tBNEP_RESULT result;
441
442 /* Check if the connection exists */
443 pcb = pan_get_pcb_by_handle (handle);
444 if(!pcb)
445 {
446 PAN_TRACE_ERROR ("PAN connection not found for the handle %d", handle);
447 return PAN_FAILURE;
448 }
449
450 result = BNEP_Disconnect (pcb->handle);
451 if (pcb->con_state != PAN_STATE_IDLE)
452 pan_cb.num_conns--;
453
454 if (pan_cb.pan_bridge_req_cb && pcb->src_uuid == UUID_SERVCLASS_NAP)
455 (*pan_cb.pan_bridge_req_cb) (pcb->rem_bda, FALSE);
456
457 pan_release_pcb (pcb);
458
459 if (result != BNEP_SUCCESS)
460 {
461 PAN_TRACE_EVENT ("Error in closing PAN connection");
462 return PAN_FAILURE;
463 }
464
465 PAN_TRACE_EVENT ("PAN connection closed");
466 return PAN_SUCCESS;
467 }
468
469
470 /*******************************************************************************
471 **
472 ** Function PAN_Write
473 **
474 ** Description This sends data over the PAN connections. If this is called
475 ** on GN or NAP side and the packet is multicast or broadcast
476 ** it will be sent on all the links. Otherwise the correct link
477 ** is found based on the destination address and forwarded on it.
478 **
479 ** Parameters: handle - handle for the connection
480 ** dst - MAC or BD Addr of the destination device
481 ** src - MAC or BD Addr of the source who sent this packet
482 ** protocol - protocol of the ethernet packet like IP or ARP
483 ** p_data - pointer to the data
484 ** len - length of the data
485 ** ext - to indicate that extension headers present
486 **
487 ** Returns PAN_SUCCESS - if the data is sent successfully
488 ** PAN_FAILURE - if the connection is not found or
489 ** there is an error in sending data
490 **
491 *******************************************************************************/
PAN_Write(UINT16 handle,BD_ADDR dst,BD_ADDR src,UINT16 protocol,UINT8 * p_data,UINT16 len,BOOLEAN ext)492 tPAN_RESULT PAN_Write(UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol, UINT8 *p_data, UINT16 len, BOOLEAN ext)
493 {
494 if (pan_cb.role == PAN_ROLE_INACTIVE || !pan_cb.num_conns) {
495 PAN_TRACE_ERROR("%s PAN is not active, data write failed.", __func__);
496 return PAN_FAILURE;
497 }
498
499 // If the packet is broadcast or multicast, we're going to have to create
500 // a copy of the packet for each connection. We can save one extra copy
501 // by fast-pathing here and calling BNEP_Write instead of placing the packet
502 // in a BT_HDR buffer, calling BNEP_Write, and then freeing the buffer.
503 if (dst[0] & 0x01) {
504 int i;
505 for (i = 0; i < MAX_PAN_CONNS; ++i) {
506 if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED)
507 BNEP_Write (pan_cb.pcb[i].handle, dst, p_data, len, protocol, src, ext);
508 }
509 return PAN_SUCCESS;
510 }
511
512 BT_HDR *buffer = (BT_HDR *)osi_malloc(PAN_BUF_SIZE);
513 buffer->len = len;
514 buffer->offset = PAN_MINIMUM_OFFSET;
515 memcpy((UINT8 *)buffer + sizeof(BT_HDR) + buffer->offset, p_data, buffer->len);
516
517 return PAN_WriteBuf(handle, dst, src, protocol, buffer, ext);
518 }
519
520
521 /*******************************************************************************
522 **
523 ** Function PAN_WriteBuf
524 **
525 ** Description This sends data over the PAN connections. If this is called
526 ** on GN or NAP side and the packet is multicast or broadcast
527 ** it will be sent on all the links. Otherwise the correct link
528 ** is found based on the destination address and forwarded on it
529 ** If the return value is not PAN_SUCCESS the application should
530 ** take care of releasing the message buffer
531 **
532 ** Parameters: handle - handle for the connection
533 ** dst - MAC or BD Addr of the destination device
534 ** src - MAC or BD Addr of the source who sent this packet
535 ** protocol - protocol of the ethernet packet like IP or ARP
536 ** p_buf - pointer to the data buffer
537 ** ext - to indicate that extension headers present
538 **
539 ** Returns PAN_SUCCESS - if the data is sent successfully
540 ** PAN_FAILURE - if the connection is not found or
541 ** there is an error in sending data
542 **
543 *******************************************************************************/
PAN_WriteBuf(UINT16 handle,BD_ADDR dst,BD_ADDR src,UINT16 protocol,BT_HDR * p_buf,BOOLEAN ext)544 tPAN_RESULT PAN_WriteBuf (UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol, BT_HDR *p_buf, BOOLEAN ext)
545 {
546 tPAN_CONN *pcb;
547 UINT16 i;
548 tBNEP_RESULT result;
549
550 if (pan_cb.role == PAN_ROLE_INACTIVE || (!(pan_cb.num_conns)))
551 {
552 PAN_TRACE_ERROR ("PAN is not active Data write failed");
553 osi_free(p_buf);
554 return PAN_FAILURE;
555 }
556
557 /* Check if it is broadcast or multicast packet */
558 if (dst[0] & 0x01)
559 {
560 UINT8 *data = (UINT8 *)p_buf + sizeof(BT_HDR) + p_buf->offset;
561 for (i = 0; i < MAX_PAN_CONNS; ++i) {
562 if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED)
563 BNEP_Write(pan_cb.pcb[i].handle, dst, data, p_buf->len, protocol, src, ext);
564 }
565 osi_free(p_buf);
566 return PAN_SUCCESS;
567 }
568
569 /* Check if the data write is on PANU side */
570 if (pan_cb.active_role == PAN_ROLE_CLIENT)
571 {
572 /* Data write is on PANU connection */
573 for (i=0; i<MAX_PAN_CONNS; i++)
574 {
575 if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED &&
576 pan_cb.pcb[i].src_uuid == UUID_SERVCLASS_PANU)
577 break;
578 }
579
580 if (i == MAX_PAN_CONNS)
581 {
582 PAN_TRACE_ERROR ("PAN Don't have any user connections");
583 osi_free(p_buf);
584 return PAN_FAILURE;
585 }
586
587 result = BNEP_WriteBuf (pan_cb.pcb[i].handle, dst, p_buf, protocol, src, ext);
588 if (result == BNEP_IGNORE_CMD)
589 {
590 PAN_TRACE_DEBUG ("PAN ignored data write for PANU connection");
591 return result;
592 }
593 else if (result != BNEP_SUCCESS)
594 {
595 PAN_TRACE_ERROR ("PAN failed to write data for the PANU connection");
596 return result;
597 }
598
599 PAN_TRACE_DEBUG ("PAN successfully wrote data for the PANU connection");
600 return PAN_SUCCESS;
601 }
602
603 /* findout to which connection the data is meant for */
604 pcb = pan_get_pcb_by_handle (handle);
605 if (!pcb)
606 {
607 PAN_TRACE_ERROR ("PAN Buf write for wrong handle");
608 osi_free(p_buf);
609 return PAN_FAILURE;
610 }
611
612 if (pcb->con_state != PAN_STATE_CONNECTED)
613 {
614 PAN_TRACE_ERROR ("PAN Buf write when conn is not active");
615 osi_free(p_buf);
616 return PAN_FAILURE;
617 }
618
619 result = BNEP_WriteBuf (pcb->handle, dst, p_buf, protocol, src, ext);
620 if (result == BNEP_IGNORE_CMD)
621 {
622 PAN_TRACE_DEBUG ("PAN ignored data buf write to PANU");
623 return result;
624 }
625 else if (result != BNEP_SUCCESS)
626 {
627 PAN_TRACE_ERROR ("PAN failed to send data buf to the PANU");
628 return result;
629 }
630
631 PAN_TRACE_DEBUG ("PAN successfully sent data buf to the PANU");
632 return PAN_SUCCESS;
633 }
634
635
636 /*******************************************************************************
637 **
638 ** Function PAN_SetProtocolFilters
639 **
640 ** Description This function is used to set protocol filters on the peer
641 **
642 ** Parameters: handle - handle for the connection
643 ** num_filters - number of protocol filter ranges
644 ** start - array of starting protocol numbers
645 ** end - array of ending protocol numbers
646 **
647 **
648 ** Returns PAN_SUCCESS if protocol filters are set successfully
649 ** PAN_FAILURE if connection not found or error in setting
650 **
651 *******************************************************************************/
PAN_SetProtocolFilters(UINT16 handle,UINT16 num_filters,UINT16 * p_start_array,UINT16 * p_end_array)652 tPAN_RESULT PAN_SetProtocolFilters (UINT16 handle,
653 UINT16 num_filters,
654 UINT16 *p_start_array,
655 UINT16 *p_end_array)
656 {
657 tPAN_CONN *pcb;
658 tPAN_RESULT result;
659
660 /* Check if the connection exists */
661 pcb = pan_get_pcb_by_handle (handle);
662 if(!pcb)
663 {
664 PAN_TRACE_ERROR ("PAN connection not found for the handle %d", handle);
665 return PAN_FAILURE;
666 }
667
668 result = BNEP_SetProtocolFilters (pcb->handle, num_filters, p_start_array, p_end_array);
669 if (result != BNEP_SUCCESS)
670 {
671 PAN_TRACE_ERROR ("PAN failed to set protocol filters for handle %d", handle);
672 return result;
673 }
674
675 PAN_TRACE_API ("PAN successfully sent protocol filters for handle %d", handle);
676 return PAN_SUCCESS;
677 }
678
679
680
681 /*******************************************************************************
682 **
683 ** Function PAN_SetMulticastFilters
684 **
685 ** Description This function is used to set multicast filters on the peer
686 **
687 ** Parameters: handle - handle for the connection
688 ** num_filters - number of multicast filter ranges
689 ** start - array of starting multicast filter addresses
690 ** end - array of ending multicast filter addresses
691 **
692 **
693 ** Returns PAN_SUCCESS if multicast filters are set successfully
694 ** PAN_FAILURE if connection not found or error in setting
695 **
696 *******************************************************************************/
PAN_SetMulticastFilters(UINT16 handle,UINT16 num_mcast_filters,UINT8 * p_start_array,UINT8 * p_end_array)697 tBNEP_RESULT PAN_SetMulticastFilters (UINT16 handle,
698 UINT16 num_mcast_filters,
699 UINT8 *p_start_array,
700 UINT8 *p_end_array)
701 {
702 tPAN_CONN *pcb;
703 tPAN_RESULT result;
704
705 /* Check if the connection exists */
706 pcb = pan_get_pcb_by_handle (handle);
707 if(!pcb)
708 {
709 PAN_TRACE_ERROR ("PAN connection not found for the handle %d", handle);
710 return PAN_FAILURE;
711 }
712
713 result = BNEP_SetMulticastFilters (pcb->handle,
714 num_mcast_filters, p_start_array, p_end_array);
715 if (result != BNEP_SUCCESS)
716 {
717 PAN_TRACE_ERROR ("PAN failed to set multicast filters for handle %d", handle);
718 return result;
719 }
720
721 PAN_TRACE_API ("PAN successfully sent multicast filters for handle %d", handle);
722 return PAN_SUCCESS;
723 }
724
725
726 /*******************************************************************************
727 **
728 ** Function PAN_SetTraceLevel
729 **
730 ** Description This function sets the trace level for PAN. If called with
731 ** a value of 0xFF, it simply reads the current trace level.
732 **
733 ** Returns the new (current) trace level
734 **
735 *******************************************************************************/
PAN_SetTraceLevel(UINT8 new_level)736 UINT8 PAN_SetTraceLevel (UINT8 new_level)
737 {
738 if (new_level != 0xFF)
739 pan_cb.trace_level = new_level;
740 else
741 pan_dump_status ();
742
743 return (pan_cb.trace_level);
744 }
745
746 /*******************************************************************************
747 **
748 ** Function PAN_Init
749 **
750 ** Description This function initializes the PAN module variables
751 **
752 ** Parameters: none
753 **
754 ** Returns none
755 **
756 *******************************************************************************/
PAN_Init(void)757 void PAN_Init (void)
758 {
759 memset (&pan_cb, 0, sizeof (tPAN_CB));
760
761 #if defined(PAN_INITIAL_TRACE_LEVEL)
762 pan_cb.trace_level = PAN_INITIAL_TRACE_LEVEL;
763 #else
764 pan_cb.trace_level = BT_TRACE_LEVEL_NONE; /* No traces */
765 #endif
766 }
767
768
769