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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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 *******************************************************************************/ 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
