1 /******************************************************************************
2 *
3 * Copyright (C) 2001-2012 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 BNEP API code
22 *
23 ******************************************************************************/
24
25 #include <string.h>
26 #include "bnep_api.h"
27 #include "bnep_int.h"
28
29 /*******************************************************************************
30 **
31 ** Function BNEP_Init
32 **
33 ** Description This function initializes the BNEP unit. It should be called
34 ** before accessing any other APIs to initialize the control block
35 **
36 ** Returns void
37 **
38 *******************************************************************************/
BNEP_Init(void)39 void BNEP_Init (void)
40 {
41 memset (&bnep_cb, 0, sizeof (tBNEP_CB));
42
43 #if defined(BNEP_INITIAL_TRACE_LEVEL)
44 bnep_cb.trace_level = BNEP_INITIAL_TRACE_LEVEL;
45 #else
46 bnep_cb.trace_level = BT_TRACE_LEVEL_NONE; /* No traces */
47 #endif
48
49 /* Start a timer to read our BD address */
50 btu_start_timer (&bnep_cb.bnep_tle, BTU_TTYPE_BNEP, 2);
51 }
52
53
54 /*******************************************************************************
55 **
56 ** Function BNEP_Register
57 **
58 ** Description This function is called by the upper layer to register
59 ** its callbacks with BNEP
60 **
61 ** Parameters: p_reg_info - contains all callback function pointers
62 **
63 **
64 ** Returns BNEP_SUCCESS if registered successfully
65 ** BNEP_FAILURE if connection state callback is missing
66 **
67 *******************************************************************************/
BNEP_Register(tBNEP_REGISTER * p_reg_info)68 tBNEP_RESULT BNEP_Register (tBNEP_REGISTER *p_reg_info)
69 {
70 /* There should be connection state call back registered */
71 if ((!p_reg_info) || (!(p_reg_info->p_conn_state_cb)))
72 return BNEP_SECURITY_FAIL;
73
74 bnep_cb.p_conn_ind_cb = p_reg_info->p_conn_ind_cb;
75 bnep_cb.p_conn_state_cb = p_reg_info->p_conn_state_cb;
76 bnep_cb.p_data_ind_cb = p_reg_info->p_data_ind_cb;
77 bnep_cb.p_data_buf_cb = p_reg_info->p_data_buf_cb;
78 bnep_cb.p_filter_ind_cb = p_reg_info->p_filter_ind_cb;
79 bnep_cb.p_mfilter_ind_cb = p_reg_info->p_mfilter_ind_cb;
80 bnep_cb.p_tx_data_flow_cb = p_reg_info->p_tx_data_flow_cb;
81
82 if (bnep_register_with_l2cap ())
83 return BNEP_SECURITY_FAIL;
84
85 bnep_cb.profile_registered = TRUE;
86 return BNEP_SUCCESS;
87 }
88
89
90 /*******************************************************************************
91 **
92 ** Function BNEP_Deregister
93 **
94 ** Description This function is called by the upper layer to de-register
95 ** its callbacks.
96 **
97 ** Parameters: void
98 **
99 **
100 ** Returns void
101 **
102 *******************************************************************************/
BNEP_Deregister(void)103 void BNEP_Deregister (void)
104 {
105 /* Clear all the call backs registered */
106 bnep_cb.p_conn_ind_cb = NULL;
107 bnep_cb.p_conn_state_cb = NULL;
108 bnep_cb.p_data_ind_cb = NULL;
109 bnep_cb.p_data_buf_cb = NULL;
110 bnep_cb.p_filter_ind_cb = NULL;
111 bnep_cb.p_mfilter_ind_cb = NULL;
112
113 bnep_cb.profile_registered = FALSE;
114 L2CA_Deregister (BT_PSM_BNEP);
115 }
116
117
118 /*******************************************************************************
119 **
120 ** Function BNEP_Connect
121 **
122 ** Description This function creates a BNEP connection to a remote
123 ** device.
124 **
125 ** Parameters: p_rem_addr - BD_ADDR of the peer
126 ** src_uuid - source uuid for the connection
127 ** dst_uuid - destination uuid for the connection
128 ** p_handle - pointer to return the handle for the connection
129 **
130 ** Returns BNEP_SUCCESS if connection started
131 ** BNEP_NO_RESOURCES if no resources
132 **
133 *******************************************************************************/
BNEP_Connect(BD_ADDR p_rem_bda,tBT_UUID * src_uuid,tBT_UUID * dst_uuid,UINT16 * p_handle)134 tBNEP_RESULT BNEP_Connect (BD_ADDR p_rem_bda,
135 tBT_UUID *src_uuid,
136 tBT_UUID *dst_uuid,
137 UINT16 *p_handle)
138 {
139 UINT16 cid;
140 tBNEP_CONN *p_bcb = bnepu_find_bcb_by_bd_addr (p_rem_bda);
141
142 BNEP_TRACE_API ("BNEP_Connect() BDA: %02x-%02x-%02x-%02x-%02x-%02x",
143 p_rem_bda[0], p_rem_bda[1], p_rem_bda[2],
144 p_rem_bda[3], p_rem_bda[4], p_rem_bda[5]);
145
146 if (!bnep_cb.profile_registered)
147 return BNEP_WRONG_STATE;
148
149 /* Both source and destination UUID lengths should be same */
150 if (src_uuid->len != dst_uuid->len)
151 return BNEP_CONN_FAILED_UUID_SIZE;
152
153 if (!p_bcb)
154 {
155 if ((p_bcb = bnepu_allocate_bcb (p_rem_bda)) == NULL)
156 return (BNEP_NO_RESOURCES);
157 }
158 else if (p_bcb->con_state != BNEP_STATE_CONNECTED)
159 return BNEP_WRONG_STATE;
160 else
161 {
162 /* Backup current UUID values to restore if role change fails */
163 memcpy ((UINT8 *)&(p_bcb->prv_src_uuid), (UINT8 *)&(p_bcb->src_uuid), sizeof (tBT_UUID));
164 memcpy ((UINT8 *)&(p_bcb->prv_dst_uuid), (UINT8 *)&(p_bcb->dst_uuid), sizeof (tBT_UUID));
165 }
166
167 /* We are the originator of this connection */
168 p_bcb->con_flags |= BNEP_FLAGS_IS_ORIG;
169
170 memcpy ((UINT8 *)&(p_bcb->src_uuid), (UINT8 *)src_uuid, sizeof (tBT_UUID));
171 memcpy ((UINT8 *)&(p_bcb->dst_uuid), (UINT8 *)dst_uuid, sizeof (tBT_UUID));
172
173 if (p_bcb->con_state == BNEP_STATE_CONNECTED)
174 {
175 /* Transition to the next appropriate state, waiting for connection confirm. */
176 p_bcb->con_state = BNEP_STATE_SEC_CHECKING;
177
178 BNEP_TRACE_API ("BNEP initiating security procedures for src uuid 0x%x",
179 p_bcb->src_uuid.uu.uuid16);
180
181 #if (defined (BNEP_DO_AUTH_FOR_ROLE_SWITCH) && BNEP_DO_AUTH_FOR_ROLE_SWITCH == TRUE)
182 btm_sec_mx_access_request (p_bcb->rem_bda, BT_PSM_BNEP, TRUE,
183 BTM_SEC_PROTO_BNEP,
184 bnep_get_uuid32(src_uuid),
185 &bnep_sec_check_complete, p_bcb);
186 #else
187 bnep_sec_check_complete (p_bcb->rem_bda, p_bcb, BTM_SUCCESS);
188 #endif
189
190 }
191 else
192 {
193 /* Transition to the next appropriate state, waiting for connection confirm. */
194 p_bcb->con_state = BNEP_STATE_CONN_START;
195
196 if ((cid = L2CA_ConnectReq (BT_PSM_BNEP, p_bcb->rem_bda)) != 0)
197 {
198 p_bcb->l2cap_cid = cid;
199
200 }
201 else
202 {
203 BNEP_TRACE_ERROR ("BNEP - Originate failed");
204 if (bnep_cb.p_conn_state_cb)
205 (*bnep_cb.p_conn_state_cb) (p_bcb->handle, p_bcb->rem_bda, BNEP_CONN_FAILED, FALSE);
206 bnepu_release_bcb (p_bcb);
207 return BNEP_CONN_FAILED;
208 }
209
210 /* Start timer waiting for connect */
211 btu_start_timer (&p_bcb->conn_tle, BTU_TTYPE_BNEP, BNEP_CONN_TIMEOUT);
212 }
213
214 *p_handle = p_bcb->handle;
215 return (BNEP_SUCCESS);
216 }
217
218
219 /*******************************************************************************
220 **
221 ** Function BNEP_ConnectResp
222 **
223 ** Description This function is called in responce to connection indication
224 **
225 **
226 ** Parameters: handle - handle given in the connection indication
227 ** resp - responce for the connection indication
228 **
229 ** Returns BNEP_SUCCESS if connection started
230 ** BNEP_WRONG_HANDLE if the connection is not found
231 ** BNEP_WRONG_STATE if the responce is not expected
232 **
233 *******************************************************************************/
BNEP_ConnectResp(UINT16 handle,tBNEP_RESULT resp)234 tBNEP_RESULT BNEP_ConnectResp (UINT16 handle, tBNEP_RESULT resp)
235 {
236 tBNEP_CONN *p_bcb;
237 UINT16 resp_code = BNEP_SETUP_CONN_OK;
238
239 if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
240 return (BNEP_WRONG_HANDLE);
241
242 p_bcb = &(bnep_cb.bcb[handle - 1]);
243
244 if (p_bcb->con_state != BNEP_STATE_CONN_SETUP ||
245 (!(p_bcb->con_flags & BNEP_FLAGS_SETUP_RCVD)))
246 return (BNEP_WRONG_STATE);
247
248 BNEP_TRACE_API ("BNEP_ConnectResp() for handle %d, responce %d", handle, resp);
249
250 /* Form appropriate responce based on profile responce */
251 if (resp == BNEP_CONN_FAILED_SRC_UUID) resp_code = BNEP_SETUP_INVALID_SRC_UUID;
252 else if (resp == BNEP_CONN_FAILED_DST_UUID) resp_code = BNEP_SETUP_INVALID_DEST_UUID;
253 else if (resp == BNEP_CONN_FAILED_UUID_SIZE) resp_code = BNEP_SETUP_INVALID_UUID_SIZE;
254 else if (resp == BNEP_SUCCESS) resp_code = BNEP_SETUP_CONN_OK;
255 else resp_code = BNEP_SETUP_CONN_NOT_ALLOWED;
256
257 bnep_send_conn_responce (p_bcb, resp_code);
258 p_bcb->con_flags &= (~BNEP_FLAGS_SETUP_RCVD);
259
260 if (resp == BNEP_SUCCESS)
261 bnep_connected (p_bcb);
262 else if (p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)
263 {
264 /* Restore the original parameters */
265 p_bcb->con_state = BNEP_STATE_CONNECTED;
266 p_bcb->con_flags &= (~BNEP_FLAGS_SETUP_RCVD);
267
268 memcpy ((UINT8 *)&(p_bcb->src_uuid), (UINT8 *)&(p_bcb->prv_src_uuid), sizeof (tBT_UUID));
269 memcpy ((UINT8 *)&(p_bcb->dst_uuid), (UINT8 *)&(p_bcb->prv_dst_uuid), sizeof (tBT_UUID));
270 }
271
272 /* Process remaining part of the setup message (extension headers) */
273 if (p_bcb->p_pending_data)
274 {
275 UINT8 extension_present = TRUE, *p, ext_type;
276 UINT16 rem_len;
277
278 rem_len = p_bcb->p_pending_data->len;
279 p = (UINT8 *)(p_bcb->p_pending_data + 1) + p_bcb->p_pending_data->offset;
280 while (extension_present && p && rem_len)
281 {
282 ext_type = *p++;
283 extension_present = ext_type >> 7;
284 ext_type &= 0x7F;
285
286 /* if unknown extension present stop processing */
287 if (ext_type)
288 break;
289
290 p = bnep_process_control_packet (p_bcb, p, &rem_len, TRUE);
291 }
292
293 GKI_freebuf (p_bcb->p_pending_data);
294 p_bcb->p_pending_data = NULL;
295 }
296 return (BNEP_SUCCESS);
297 }
298
299
300 /*******************************************************************************
301 **
302 ** Function BNEP_Disconnect
303 **
304 ** Description This function is called to close the specified connection.
305 **
306 ** Parameters: handle - handle of the connection
307 **
308 ** Returns BNEP_SUCCESS if connection is disconnected
309 ** BNEP_WRONG_HANDLE if no connection is not found
310 **
311 *******************************************************************************/
BNEP_Disconnect(UINT16 handle)312 tBNEP_RESULT BNEP_Disconnect (UINT16 handle)
313 {
314 tBNEP_CONN *p_bcb;
315
316 if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
317 return (BNEP_WRONG_HANDLE);
318
319 p_bcb = &(bnep_cb.bcb[handle - 1]);
320
321 if (p_bcb->con_state == BNEP_STATE_IDLE)
322 return (BNEP_WRONG_HANDLE);
323
324 BNEP_TRACE_API ("BNEP_Disconnect() for handle %d", handle);
325
326 L2CA_DisconnectReq (p_bcb->l2cap_cid);
327
328 bnepu_release_bcb (p_bcb);
329
330 return (BNEP_SUCCESS);
331 }
332
333
334 /*******************************************************************************
335 **
336 ** Function BNEP_WriteBuf
337 **
338 ** Description This function sends data in a GKI buffer on BNEP connection
339 **
340 ** Parameters: handle - handle of the connection to write
341 ** p_dest_addr - BD_ADDR/Ethernet addr of the destination
342 ** p_buf - pointer to address of buffer with data
343 ** protocol - protocol type of the packet
344 ** p_src_addr - (optional) BD_ADDR/ethernet address of the source
345 ** (should be NULL if it is local BD Addr)
346 ** fw_ext_present - forwarded extensions present
347 **
348 ** Returns: BNEP_WRONG_HANDLE - if passed handle is not valid
349 ** BNEP_MTU_EXCEDED - If the data length is greater than MTU
350 ** BNEP_IGNORE_CMD - If the packet is filtered out
351 ** BNEP_Q_SIZE_EXCEEDED - If the Tx Q is full
352 ** BNEP_SUCCESS - If written successfully
353 **
354 *******************************************************************************/
BNEP_WriteBuf(UINT16 handle,UINT8 * p_dest_addr,BT_HDR * p_buf,UINT16 protocol,UINT8 * p_src_addr,BOOLEAN fw_ext_present)355 tBNEP_RESULT BNEP_WriteBuf (UINT16 handle,
356 UINT8 *p_dest_addr,
357 BT_HDR *p_buf,
358 UINT16 protocol,
359 UINT8 *p_src_addr,
360 BOOLEAN fw_ext_present)
361 {
362 tBNEP_CONN *p_bcb;
363 UINT8 *p_data;
364
365 if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
366 {
367 GKI_freebuf (p_buf);
368 return (BNEP_WRONG_HANDLE);
369 }
370
371 p_bcb = &(bnep_cb.bcb[handle - 1]);
372 /* Check MTU size */
373 if (p_buf->len > BNEP_MTU_SIZE)
374 {
375 BNEP_TRACE_ERROR ("BNEP_Write() length %d exceeded MTU %d", p_buf->len, BNEP_MTU_SIZE);
376 GKI_freebuf (p_buf);
377 return (BNEP_MTU_EXCEDED);
378 }
379
380 /* Check if the packet should be filtered out */
381 p_data = (UINT8 *)(p_buf + 1) + p_buf->offset;
382 if (bnep_is_packet_allowed (p_bcb, p_dest_addr, protocol, fw_ext_present, p_data) != BNEP_SUCCESS)
383 {
384 /*
385 ** If packet is filtered and ext headers are present
386 ** drop the data and forward the ext headers
387 */
388 if (fw_ext_present)
389 {
390 UINT8 ext, length;
391 UINT16 org_len, new_len;
392 /* parse the extension headers and findout the new packet len */
393 org_len = p_buf->len;
394 new_len = 0;
395 do {
396
397 ext = *p_data++;
398 length = *p_data++;
399 p_data += length;
400
401 new_len += (length + 2);
402
403 if (new_len > org_len)
404 {
405 GKI_freebuf (p_buf);
406 return BNEP_IGNORE_CMD;
407 }
408
409 } while (ext & 0x80);
410
411 if (protocol != BNEP_802_1_P_PROTOCOL)
412 protocol = 0;
413 else
414 {
415 new_len += 4;
416 p_data[2] = 0;
417 p_data[3] = 0;
418 }
419 p_buf->len = new_len;
420 }
421 else
422 {
423 GKI_freebuf (p_buf);
424 return BNEP_IGNORE_CMD;
425 }
426 }
427
428 /* Check transmit queue */
429 if (GKI_queue_length(&p_bcb->xmit_q) >= BNEP_MAX_XMITQ_DEPTH)
430 {
431 GKI_freebuf (p_buf);
432 return (BNEP_Q_SIZE_EXCEEDED);
433 }
434
435 /* Build the BNEP header */
436 bnepu_build_bnep_hdr (p_bcb, p_buf, protocol, p_src_addr, p_dest_addr, fw_ext_present);
437
438 /* Send the data or queue it up */
439 bnepu_check_send_packet (p_bcb, p_buf);
440
441 return (BNEP_SUCCESS);
442 }
443
444
445 /*******************************************************************************
446 **
447 ** Function BNEP_Write
448 **
449 ** Description This function sends data over a BNEP connection
450 **
451 ** Parameters: handle - handle of the connection to write
452 ** p_dest_addr - BD_ADDR/Ethernet addr of the destination
453 ** p_data - pointer to data start
454 ** protocol - protocol type of the packet
455 ** p_src_addr - (optional) BD_ADDR/ethernet address of the source
456 ** (should be NULL if it is local BD Addr)
457 ** fw_ext_present - forwarded extensions present
458 **
459 ** Returns: BNEP_WRONG_HANDLE - if passed handle is not valid
460 ** BNEP_MTU_EXCEDED - If the data length is greater than MTU
461 ** BNEP_IGNORE_CMD - If the packet is filtered out
462 ** BNEP_Q_SIZE_EXCEEDED - If the Tx Q is full
463 ** BNEP_NO_RESOURCES - If not able to allocate a buffer
464 ** BNEP_SUCCESS - If written successfully
465 **
466 *******************************************************************************/
BNEP_Write(UINT16 handle,UINT8 * p_dest_addr,UINT8 * p_data,UINT16 len,UINT16 protocol,UINT8 * p_src_addr,BOOLEAN fw_ext_present)467 tBNEP_RESULT BNEP_Write (UINT16 handle,
468 UINT8 *p_dest_addr,
469 UINT8 *p_data,
470 UINT16 len,
471 UINT16 protocol,
472 UINT8 *p_src_addr,
473 BOOLEAN fw_ext_present)
474 {
475 BT_HDR *p_buf;
476 tBNEP_CONN *p_bcb;
477 UINT8 *p;
478
479 /* Check MTU size. Consider the possibility of having extension headers */
480 if (len > BNEP_MTU_SIZE)
481 {
482 BNEP_TRACE_ERROR ("BNEP_Write() length %d exceeded MTU %d", len, BNEP_MTU_SIZE);
483 return (BNEP_MTU_EXCEDED);
484 }
485
486 if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
487 return (BNEP_WRONG_HANDLE);
488
489 p_bcb = &(bnep_cb.bcb[handle - 1]);
490
491 /* Check if the packet should be filtered out */
492 if (bnep_is_packet_allowed (p_bcb, p_dest_addr, protocol, fw_ext_present, p_data) != BNEP_SUCCESS)
493 {
494 /*
495 ** If packet is filtered and ext headers are present
496 ** drop the data and forward the ext headers
497 */
498 if (fw_ext_present)
499 {
500 UINT8 ext, length;
501 UINT16 org_len, new_len;
502 /* parse the extension headers and findout the new packet len */
503 org_len = len;
504 new_len = 0;
505 p = p_data;
506 do {
507
508 ext = *p_data++;
509 length = *p_data++;
510 p_data += length;
511
512 new_len += (length + 2);
513
514 if (new_len > org_len)
515 return BNEP_IGNORE_CMD;
516
517 } while (ext & 0x80);
518
519 if (protocol != BNEP_802_1_P_PROTOCOL)
520 protocol = 0;
521 else
522 {
523 new_len += 4;
524 p_data[2] = 0;
525 p_data[3] = 0;
526 }
527 len = new_len;
528 p_data = p;
529 }
530 else
531 return BNEP_IGNORE_CMD;
532 }
533
534 /* Check transmit queue */
535 if (GKI_queue_length(&p_bcb->xmit_q) >= BNEP_MAX_XMITQ_DEPTH)
536 return (BNEP_Q_SIZE_EXCEEDED);
537
538 /* Get a buffer to copy teh data into */
539 if ((p_buf = (BT_HDR *)GKI_getpoolbuf (BNEP_POOL_ID)) == NULL)
540 {
541 BNEP_TRACE_ERROR ("BNEP_Write() not able to get buffer");
542 return (BNEP_NO_RESOURCES);
543 }
544
545 p_buf->len = len;
546 p_buf->offset = BNEP_MINIMUM_OFFSET;
547 p = (UINT8 *)(p_buf + 1) + BNEP_MINIMUM_OFFSET;
548
549 memcpy (p, p_data, len);
550
551 /* Build the BNEP header */
552 bnepu_build_bnep_hdr (p_bcb, p_buf, protocol, p_src_addr, p_dest_addr, fw_ext_present);
553
554 /* Send the data or queue it up */
555 bnepu_check_send_packet (p_bcb, p_buf);
556
557 return (BNEP_SUCCESS);
558 }
559
560
561 /*******************************************************************************
562 **
563 ** Function BNEP_SetProtocolFilters
564 **
565 ** Description This function sets the protocol filters on peer device
566 **
567 ** Parameters: handle - Handle for the connection
568 ** num_filters - total number of filter ranges
569 ** p_start_array - Array of beginings of all protocol ranges
570 ** p_end_array - Array of ends of all protocol ranges
571 **
572 ** Returns BNEP_WRONG_HANDLE - if the connection handle is not valid
573 ** BNEP_SET_FILTER_FAIL - if the connection is in wrong state
574 ** BNEP_TOO_MANY_FILTERS - if too many filters
575 ** BNEP_SUCCESS - if request sent successfully
576 **
577 *******************************************************************************/
BNEP_SetProtocolFilters(UINT16 handle,UINT16 num_filters,UINT16 * p_start_array,UINT16 * p_end_array)578 tBNEP_RESULT BNEP_SetProtocolFilters (UINT16 handle,
579 UINT16 num_filters,
580 UINT16 *p_start_array,
581 UINT16 *p_end_array)
582 {
583 UINT16 xx;
584 tBNEP_CONN *p_bcb;
585
586 if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
587 return (BNEP_WRONG_HANDLE);
588
589 p_bcb = &(bnep_cb.bcb[handle - 1]);
590
591 /* Check the connection state */
592 if ((p_bcb->con_state != BNEP_STATE_CONNECTED) &&
593 (!(p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)))
594 return (BNEP_WRONG_STATE);
595
596 /* Validate the parameters */
597 if (num_filters && (!p_start_array || !p_end_array))
598 return (BNEP_SET_FILTER_FAIL);
599
600 if (num_filters > BNEP_MAX_PROT_FILTERS)
601 return (BNEP_TOO_MANY_FILTERS);
602
603 /* Fill the filter values in connnection block */
604 for (xx = 0; xx < num_filters; xx++)
605 {
606 p_bcb->sent_prot_filter_start[xx] = *p_start_array++;
607 p_bcb->sent_prot_filter_end[xx] = *p_end_array++;
608 }
609
610 p_bcb->sent_num_filters = num_filters;
611
612 bnepu_send_peer_our_filters (p_bcb);
613
614 return (BNEP_SUCCESS);
615 }
616
617
618 /*******************************************************************************
619 **
620 ** Function BNEP_SetMulticastFilters
621 **
622 ** Description This function sets the filters for multicast addresses for BNEP.
623 **
624 ** Parameters: handle - Handle for the connection
625 ** num_filters - total number of filter ranges
626 ** p_start_array - Pointer to sequence of beginings of all
627 ** multicast address ranges
628 ** p_end_array - Pointer to sequence of ends of all
629 ** multicast address ranges
630 **
631 ** Returns BNEP_WRONG_HANDLE - if the connection handle is not valid
632 ** BNEP_SET_FILTER_FAIL - if the connection is in wrong state
633 ** BNEP_TOO_MANY_FILTERS - if too many filters
634 ** BNEP_SUCCESS - if request sent successfully
635 **
636 *******************************************************************************/
BNEP_SetMulticastFilters(UINT16 handle,UINT16 num_filters,UINT8 * p_start_array,UINT8 * p_end_array)637 tBNEP_RESULT BNEP_SetMulticastFilters (UINT16 handle,
638 UINT16 num_filters,
639 UINT8 *p_start_array,
640 UINT8 *p_end_array)
641 {
642 UINT16 xx;
643 tBNEP_CONN *p_bcb;
644
645 if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
646 return (BNEP_WRONG_HANDLE);
647
648 p_bcb = &(bnep_cb.bcb[handle - 1]);
649
650 /* Check the connection state */
651 if ((p_bcb->con_state != BNEP_STATE_CONNECTED) &&
652 (!(p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)))
653 return (BNEP_WRONG_STATE);
654
655 /* Validate the parameters */
656 if (num_filters && (!p_start_array || !p_end_array))
657 return (BNEP_SET_FILTER_FAIL);
658
659 if (num_filters > BNEP_MAX_MULTI_FILTERS)
660 return (BNEP_TOO_MANY_FILTERS);
661
662 /* Fill the multicast filter values in connnection block */
663 for (xx = 0; xx < num_filters; xx++)
664 {
665 memcpy (p_bcb->sent_mcast_filter_start[xx], p_start_array, BD_ADDR_LEN);
666 memcpy (p_bcb->sent_mcast_filter_end[xx], p_end_array, BD_ADDR_LEN);
667
668 p_start_array += BD_ADDR_LEN;
669 p_end_array += BD_ADDR_LEN;
670 }
671
672 p_bcb->sent_mcast_filters = num_filters;
673
674 bnepu_send_peer_our_multi_filters (p_bcb);
675
676 return (BNEP_SUCCESS);
677 }
678
679 /*******************************************************************************
680 **
681 ** Function BNEP_SetTraceLevel
682 **
683 ** Description This function sets the trace level for BNEP. If called with
684 ** a value of 0xFF, it simply reads the current trace level.
685 **
686 ** Returns the new (current) trace level
687 **
688 *******************************************************************************/
BNEP_SetTraceLevel(UINT8 new_level)689 UINT8 BNEP_SetTraceLevel (UINT8 new_level)
690 {
691 if (new_level != 0xFF)
692 bnep_cb.trace_level = new_level;
693
694 return (bnep_cb.trace_level);
695 }
696
697
698 /*******************************************************************************
699 **
700 ** Function BNEP_GetStatus
701 **
702 ** Description This function gets the status information for BNEP connection
703 **
704 ** Returns BNEP_SUCCESS - if the status is available
705 ** BNEP_NO_RESOURCES - if no structure is passed for output
706 ** BNEP_WRONG_HANDLE - if the handle is invalid
707 ** BNEP_WRONG_STATE - if not in connected state
708 **
709 *******************************************************************************/
BNEP_GetStatus(UINT16 handle,tBNEP_STATUS * p_status)710 tBNEP_RESULT BNEP_GetStatus (UINT16 handle, tBNEP_STATUS *p_status)
711 {
712 #if (defined (BNEP_SUPPORTS_STATUS_API) && BNEP_SUPPORTS_STATUS_API == TRUE)
713 tBNEP_CONN *p_bcb;
714
715 if (!p_status)
716 return BNEP_NO_RESOURCES;
717
718 if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
719 return (BNEP_WRONG_HANDLE);
720
721 p_bcb = &(bnep_cb.bcb[handle - 1]);
722
723 memset (p_status, 0, sizeof (tBNEP_STATUS));
724 if ((p_bcb->con_state != BNEP_STATE_CONNECTED) &&
725 (!(p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)))
726 return BNEP_WRONG_STATE;
727
728 /* Read the status parameters from the connection control block */
729 p_status->con_status = BNEP_STATUS_CONNECTED;
730 p_status->l2cap_cid = p_bcb->l2cap_cid;
731 p_status->rem_mtu_size = p_bcb->rem_mtu_size;
732 p_status->xmit_q_depth = GKI_queue_length(&p_bcb->xmit_q);
733 p_status->sent_num_filters = p_bcb->sent_num_filters;
734 p_status->sent_mcast_filters = p_bcb->sent_mcast_filters;
735 p_status->rcvd_num_filters = p_bcb->rcvd_num_filters;
736 p_status->rcvd_mcast_filters = p_bcb->rcvd_mcast_filters;
737
738 memcpy (p_status->rem_bda, p_bcb->rem_bda, BD_ADDR_LEN);
739 memcpy (&(p_status->src_uuid), &(p_bcb->src_uuid), sizeof (tBT_UUID));
740 memcpy (&(p_status->dst_uuid), &(p_bcb->dst_uuid), sizeof (tBT_UUID));
741
742 return BNEP_SUCCESS;
743 #else
744 return (BNEP_IGNORE_CMD);
745 #endif
746 }
747
748
749