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 "gki.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 // btla-specific ++ 183 bta_sys_add_uuid(UUID_SERVCLASS_NAP); 184 // btla-specific -- 185 } 186 /* If the NAP role is already active and now being cleared delete the record */ 187 else if (pan_cb.role & PAN_ROLE_NAP_SERVER) 188 { 189 if (pan_cb.pan_nap_sdp_handle != 0) 190 { 191 SDP_DeleteRecord (pan_cb.pan_nap_sdp_handle); 192 pan_cb.pan_nap_sdp_handle = 0; 193 // btla-specific ++ 194 bta_sys_remove_uuid(UUID_SERVCLASS_NAP); 195 // btla-specific -- 196 } 197 } 198 #endif 199 200 #if (defined (PAN_SUPPORTS_ROLE_GN) && PAN_SUPPORTS_ROLE_GN == TRUE) 201 /* Check the service name */ 202 if ((p_gn_name == NULL) || (*p_gn_name == 0)) 203 p_gn_name = PAN_GN_DEFAULT_SERVICE_NAME; 204 205 if (role & PAN_ROLE_GN_SERVER) 206 { 207 /* Registering for GN service with SDP */ 208 p_desc = PAN_GN_DEFAULT_DESCRIPTION; 209 210 if (pan_cb.pan_gn_sdp_handle != 0) 211 SDP_DeleteRecord (pan_cb.pan_gn_sdp_handle); 212 213 pan_cb.pan_gn_sdp_handle = pan_register_with_sdp (UUID_SERVCLASS_GN, p_sec[1], p_gn_name, p_desc); 214 // btla-specific ++ 215 bta_sys_add_uuid(UUID_SERVCLASS_GN); 216 // btla-specific -- 217 } 218 /* If the GN role is already active and now being cleared delete the record */ 219 else if (pan_cb.role & PAN_ROLE_GN_SERVER) 220 { 221 if (pan_cb.pan_gn_sdp_handle != 0) 222 { 223 SDP_DeleteRecord (pan_cb.pan_gn_sdp_handle); 224 pan_cb.pan_gn_sdp_handle = 0; 225 // btla-specific ++ 226 bta_sys_remove_uuid(UUID_SERVCLASS_GN); 227 // btla-specific -- 228 } 229 } 230 #endif 231 232 #if (defined (PAN_SUPPORTS_ROLE_PANU) && PAN_SUPPORTS_ROLE_PANU == TRUE) 233 /* Check the service name */ 234 if ((p_user_name == NULL) || (*p_user_name == 0)) 235 p_user_name = PAN_PANU_DEFAULT_SERVICE_NAME; 236 237 if (role & PAN_ROLE_CLIENT) 238 { 239 /* Registering for PANU service with SDP */ 240 p_desc = PAN_PANU_DEFAULT_DESCRIPTION; 241 if (pan_cb.pan_user_sdp_handle != 0) 242 SDP_DeleteRecord (pan_cb.pan_user_sdp_handle); 243 244 pan_cb.pan_user_sdp_handle = pan_register_with_sdp (UUID_SERVCLASS_PANU, p_sec[0], p_user_name, p_desc); 245 // btla-specific ++ 246 bta_sys_add_uuid(UUID_SERVCLASS_PANU); 247 // btla-specific -- 248 } 249 /* If the PANU role is already active and now being cleared delete the record */ 250 else if (pan_cb.role & PAN_ROLE_CLIENT) 251 { 252 if (pan_cb.pan_user_sdp_handle != 0) 253 { 254 SDP_DeleteRecord (pan_cb.pan_user_sdp_handle); 255 pan_cb.pan_user_sdp_handle = 0; 256 // btla-specific ++ 257 bta_sys_remove_uuid(UUID_SERVCLASS_PANU); 258 // btla-specific -- 259 } 260 } 261 #endif 262 263 /* Check if it is a shutdown request */ 264 if (role == PAN_ROLE_INACTIVE) 265 pan_close_all_connections (); 266 267 pan_cb.role = role; 268 PAN_TRACE_EVENT ("PAN role set to: %d", role); 269 return PAN_SUCCESS; 270 } 271 272 273 274 /******************************************************************************* 275 ** 276 ** Function PAN_Connect 277 ** 278 ** Description This function is called by the application to initiate a 279 ** connection to the remote device 280 ** 281 ** Parameters: rem_bda - BD Addr of the remote device 282 ** src_role - Role of the local device for the connection 283 ** dst_role - Role of the remote device for the connection 284 ** PAN_ROLE_CLIENT is for PANU role 285 ** PAN_ROLE_GN_SERVER is for GN role 286 ** PAN_ROLE_NAP_SERVER is for NAP role 287 ** *handle - Pointer for returning Handle to the connection 288 ** 289 ** Returns PAN_SUCCESS - if the connection is initiated successfully 290 ** PAN_NO_RESOURCES - resources are not sufficent 291 ** PAN_FAILURE - if the connection cannot be initiated 292 ** this can be because of the combination of 293 ** src and dst roles may not be valid or 294 ** allowed at that point of time 295 ** 296 *******************************************************************************/ 297 tPAN_RESULT PAN_Connect (BD_ADDR rem_bda, UINT8 src_role, UINT8 dst_role, UINT16 *handle) 298 { 299 tPAN_CONN *pcb; 300 tBNEP_RESULT result; 301 tBT_UUID src_uuid, dst_uuid; 302 UINT32 mx_chan_id; 303 304 /* 305 ** Initialize the handle so that in case of failure return values 306 ** the profile will not get confused 307 */ 308 *handle = BNEP_INVALID_HANDLE; 309 310 /* Check if PAN is active or not */ 311 if (!(pan_cb.role & src_role)) 312 { 313 PAN_TRACE_ERROR ("PAN is not active for the role %d", src_role); 314 return PAN_FAILURE; 315 } 316 317 /* Validate the parameters before proceeding */ 318 if ((src_role != PAN_ROLE_CLIENT && src_role != PAN_ROLE_GN_SERVER && src_role != PAN_ROLE_NAP_SERVER) || 319 (dst_role != PAN_ROLE_CLIENT && dst_role != PAN_ROLE_GN_SERVER && dst_role != PAN_ROLE_NAP_SERVER)) 320 { 321 PAN_TRACE_ERROR ("Either source %d or destination role %d is invalid", src_role, dst_role); 322 return PAN_FAILURE; 323 } 324 325 /* Check if connection exists for this remote device */ 326 pcb = pan_get_pcb_by_addr (rem_bda); 327 328 /* If we are PANU for this role validate destination role */ 329 if (src_role == PAN_ROLE_CLIENT) 330 { 331 if ((pan_cb.num_conns > 1) || (pan_cb.num_conns && (!pcb))) 332 { 333 /* 334 ** If the request is not for existing connection reject it 335 ** because if there is already a connection we cannot accept 336 ** another connection in PANU role 337 */ 338 PAN_TRACE_ERROR ("Cannot make PANU connections when there are more than one connection"); 339 return PAN_INVALID_SRC_ROLE; 340 } 341 342 src_uuid.uu.uuid16 = UUID_SERVCLASS_PANU; 343 if (dst_role == PAN_ROLE_CLIENT) 344 { 345 dst_uuid.uu.uuid16 = UUID_SERVCLASS_PANU; 346 } 347 else if (dst_role == PAN_ROLE_GN_SERVER) 348 { 349 dst_uuid.uu.uuid16 = UUID_SERVCLASS_GN; 350 } 351 else 352 { 353 dst_uuid.uu.uuid16 = UUID_SERVCLASS_NAP; 354 } 355 mx_chan_id = dst_uuid.uu.uuid16; 356 } 357 /* If destination is PANU role validate source role */ 358 else if (dst_role == PAN_ROLE_CLIENT) 359 { 360 if (pan_cb.num_conns && pan_cb.active_role == PAN_ROLE_CLIENT && !pcb) 361 { 362 PAN_TRACE_ERROR ("Device already have a connection in PANU role"); 363 return PAN_INVALID_SRC_ROLE; 364 } 365 366 dst_uuid.uu.uuid16 = UUID_SERVCLASS_PANU; 367 if (src_role == PAN_ROLE_GN_SERVER) 368 { 369 src_uuid.uu.uuid16 = UUID_SERVCLASS_GN; 370 } 371 else 372 { 373 src_uuid.uu.uuid16 = UUID_SERVCLASS_NAP; 374 } 375 mx_chan_id = src_uuid.uu.uuid16; 376 } 377 /* The role combination is not valid */ 378 else 379 { 380 PAN_TRACE_ERROR ("Source %d and Destination roles %d are not valid combination", 381 src_role, dst_role); 382 return PAN_FAILURE; 383 } 384 385 /* Allocate control block and initiate connection */ 386 if (!pcb) 387 pcb = pan_allocate_pcb (rem_bda, BNEP_INVALID_HANDLE); 388 if (!pcb) 389 { 390 PAN_TRACE_ERROR ("PAN Connection failed because of no resources"); 391 return PAN_NO_RESOURCES; 392 } 393 BTM_SetOutService(rem_bda, BTM_SEC_SERVICE_BNEP_PANU, mx_chan_id); 394 395 PAN_TRACE_API ("PAN_Connect() for BD Addr %x.%x.%x.%x.%x.%x", 396 rem_bda[0], rem_bda[1], rem_bda[2], rem_bda[3], rem_bda[4], rem_bda[5]); 397 if (pcb->con_state == PAN_STATE_IDLE) 398 { 399 pan_cb.num_conns++; 400 } 401 else if (pcb->con_state == PAN_STATE_CONNECTED) 402 { 403 pcb->con_flags |= PAN_FLAGS_CONN_COMPLETED; 404 } 405 else 406 /* PAN connection is still in progress */ 407 return PAN_WRONG_STATE; 408 409 pcb->con_state = PAN_STATE_CONN_START; 410 pcb->prv_src_uuid = pcb->src_uuid; 411 pcb->prv_dst_uuid = pcb->dst_uuid; 412 413 pcb->src_uuid = src_uuid.uu.uuid16; 414 pcb->dst_uuid = dst_uuid.uu.uuid16; 415 416 src_uuid.len = 2; 417 dst_uuid.len = 2; 418 419 result = BNEP_Connect (rem_bda, &src_uuid, &dst_uuid, &(pcb->handle)); 420 if (result != BNEP_SUCCESS) 421 { 422 pan_release_pcb (pcb); 423 return result; 424 } 425 426 PAN_TRACE_DEBUG ("PAN_Connect() current active role set to %d", src_role); 427 pan_cb.prv_active_role = pan_cb.active_role; 428 pan_cb.active_role = src_role; 429 *handle = pcb->handle; 430 return PAN_SUCCESS; 431 } 432 433 434 435 436 /******************************************************************************* 437 ** 438 ** Function PAN_Disconnect 439 ** 440 ** Description This is used to disconnect the connection 441 ** 442 ** Parameters: handle - handle for the connection 443 ** 444 ** Returns PAN_SUCCESS - if the connection is closed successfully 445 ** PAN_FAILURE - if the connection is not found or 446 ** there is an error in disconnecting 447 ** 448 *******************************************************************************/ 449 tPAN_RESULT PAN_Disconnect (UINT16 handle) 450 { 451 tPAN_CONN *pcb; 452 tBNEP_RESULT result; 453 454 /* Check if the connection exists */ 455 pcb = pan_get_pcb_by_handle (handle); 456 if(!pcb) 457 { 458 PAN_TRACE_ERROR ("PAN connection not found for the handle %d", handle); 459 return PAN_FAILURE; 460 } 461 462 result = BNEP_Disconnect (pcb->handle); 463 if (pcb->con_state != PAN_STATE_IDLE) 464 pan_cb.num_conns--; 465 466 if (pan_cb.pan_bridge_req_cb && pcb->src_uuid == UUID_SERVCLASS_NAP) 467 (*pan_cb.pan_bridge_req_cb) (pcb->rem_bda, FALSE); 468 469 pan_release_pcb (pcb); 470 471 if (result != BNEP_SUCCESS) 472 { 473 PAN_TRACE_EVENT ("Error in closing PAN connection"); 474 return PAN_FAILURE; 475 } 476 477 PAN_TRACE_EVENT ("PAN connection closed"); 478 return PAN_SUCCESS; 479 } 480 481 482 /******************************************************************************* 483 ** 484 ** Function PAN_Write 485 ** 486 ** Description This sends data over the PAN connections. If this is called 487 ** on GN or NAP side and the packet is multicast or broadcast 488 ** it will be sent on all the links. Otherwise the correct link 489 ** is found based on the destination address and forwarded on it. 490 ** 491 ** Parameters: handle - handle for the connection 492 ** dst - MAC or BD Addr of the destination device 493 ** src - MAC or BD Addr of the source who sent this packet 494 ** protocol - protocol of the ethernet packet like IP or ARP 495 ** p_data - pointer to the data 496 ** len - length of the data 497 ** ext - to indicate that extension headers present 498 ** 499 ** Returns PAN_SUCCESS - if the data is sent successfully 500 ** PAN_FAILURE - if the connection is not found or 501 ** there is an error in sending data 502 ** 503 *******************************************************************************/ 504 tPAN_RESULT PAN_Write(UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol, UINT8 *p_data, UINT16 len, BOOLEAN ext) 505 { 506 BT_HDR *buffer; 507 508 if (pan_cb.role == PAN_ROLE_INACTIVE || !pan_cb.num_conns) { 509 PAN_TRACE_ERROR("%s PAN is not active, data write failed.", __func__); 510 return PAN_FAILURE; 511 } 512 513 // If the packet is broadcast or multicast, we're going to have to create 514 // a copy of the packet for each connection. We can save one extra copy 515 // by fast-pathing here and calling BNEP_Write instead of placing the packet 516 // in a BT_HDR buffer, calling BNEP_Write, and then freeing the buffer. 517 if (dst[0] & 0x01) { 518 int i; 519 for (i = 0; i < MAX_PAN_CONNS; ++i) { 520 if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED) 521 BNEP_Write (pan_cb.pcb[i].handle, dst, p_data, len, protocol, src, ext); 522 } 523 return PAN_SUCCESS; 524 } 525 526 buffer = (BT_HDR *)GKI_getpoolbuf(PAN_POOL_ID); 527 if (!buffer) { 528 PAN_TRACE_ERROR("%s unable to acquire buffer from pool.", __func__); 529 return PAN_NO_RESOURCES; 530 } 531 532 buffer->len = len; 533 buffer->offset = PAN_MINIMUM_OFFSET; 534 memcpy((UINT8 *)buffer + sizeof(BT_HDR) + buffer->offset, p_data, buffer->len); 535 536 return PAN_WriteBuf(handle, dst, src, protocol, buffer, ext); 537 } 538 539 540 /******************************************************************************* 541 ** 542 ** Function PAN_WriteBuf 543 ** 544 ** Description This sends data over the PAN connections. If this is called 545 ** on GN or NAP side and the packet is multicast or broadcast 546 ** it will be sent on all the links. Otherwise the correct link 547 ** is found based on the destination address and forwarded on it 548 ** If the return value is not PAN_SUCCESS the application should 549 ** take care of releasing the message buffer 550 ** 551 ** Parameters: handle - handle for the connection 552 ** dst - MAC or BD Addr of the destination device 553 ** src - MAC or BD Addr of the source who sent this packet 554 ** protocol - protocol of the ethernet packet like IP or ARP 555 ** p_buf - pointer to the data buffer 556 ** ext - to indicate that extension headers present 557 ** 558 ** Returns PAN_SUCCESS - if the data is sent successfully 559 ** PAN_FAILURE - if the connection is not found or 560 ** there is an error in sending data 561 ** 562 *******************************************************************************/ 563 tPAN_RESULT PAN_WriteBuf (UINT16 handle, BD_ADDR dst, BD_ADDR src, UINT16 protocol, BT_HDR *p_buf, BOOLEAN ext) 564 { 565 tPAN_CONN *pcb; 566 UINT16 i; 567 tBNEP_RESULT result; 568 569 if (pan_cb.role == PAN_ROLE_INACTIVE || (!(pan_cb.num_conns))) 570 { 571 PAN_TRACE_ERROR ("PAN is not active Data write failed"); 572 GKI_freebuf (p_buf); 573 return PAN_FAILURE; 574 } 575 576 /* Check if it is broadcast or multicast packet */ 577 if (dst[0] & 0x01) 578 { 579 UINT8 *data = (UINT8 *)p_buf + sizeof(BT_HDR) + p_buf->offset; 580 for (i = 0; i < MAX_PAN_CONNS; ++i) { 581 if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED) 582 BNEP_Write(pan_cb.pcb[i].handle, dst, data, p_buf->len, protocol, src, ext); 583 } 584 GKI_freebuf(p_buf); 585 return PAN_SUCCESS; 586 } 587 588 /* Check if the data write is on PANU side */ 589 if (pan_cb.active_role == PAN_ROLE_CLIENT) 590 { 591 /* Data write is on PANU connection */ 592 for (i=0; i<MAX_PAN_CONNS; i++) 593 { 594 if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED && 595 pan_cb.pcb[i].src_uuid == UUID_SERVCLASS_PANU) 596 break; 597 } 598 599 if (i == MAX_PAN_CONNS) 600 { 601 PAN_TRACE_ERROR ("PAN Don't have any user connections"); 602 GKI_freebuf (p_buf); 603 return PAN_FAILURE; 604 } 605 606 result = BNEP_WriteBuf (pan_cb.pcb[i].handle, dst, p_buf, protocol, src, ext); 607 if (result == BNEP_IGNORE_CMD) 608 { 609 PAN_TRACE_DEBUG ("PAN ignored data write for PANU connection"); 610 return result; 611 } 612 else if (result != BNEP_SUCCESS) 613 { 614 PAN_TRACE_ERROR ("PAN failed to write data for the PANU connection"); 615 return result; 616 } 617 618 PAN_TRACE_DEBUG ("PAN successfully wrote data for the PANU connection"); 619 return PAN_SUCCESS; 620 } 621 622 /* findout to which connection the data is meant for */ 623 pcb = pan_get_pcb_by_handle (handle); 624 if (!pcb) 625 { 626 PAN_TRACE_ERROR ("PAN Buf write for wrong handle"); 627 GKI_freebuf (p_buf); 628 return PAN_FAILURE; 629 } 630 631 if (pcb->con_state != PAN_STATE_CONNECTED) 632 { 633 PAN_TRACE_ERROR ("PAN Buf write when conn is not active"); 634 GKI_freebuf (p_buf); 635 return PAN_FAILURE; 636 } 637 638 result = BNEP_WriteBuf (pcb->handle, dst, p_buf, protocol, src, ext); 639 if (result == BNEP_IGNORE_CMD) 640 { 641 PAN_TRACE_DEBUG ("PAN ignored data buf write to PANU"); 642 return result; 643 } 644 else if (result != BNEP_SUCCESS) 645 { 646 PAN_TRACE_ERROR ("PAN failed to send data buf to the PANU"); 647 return result; 648 } 649 650 PAN_TRACE_DEBUG ("PAN successfully sent data buf to the PANU"); 651 return PAN_SUCCESS; 652 } 653 654 655 /******************************************************************************* 656 ** 657 ** Function PAN_SetProtocolFilters 658 ** 659 ** Description This function is used to set protocol filters on the peer 660 ** 661 ** Parameters: handle - handle for the connection 662 ** num_filters - number of protocol filter ranges 663 ** start - array of starting protocol numbers 664 ** end - array of ending protocol numbers 665 ** 666 ** 667 ** Returns PAN_SUCCESS if protocol filters are set successfully 668 ** PAN_FAILURE if connection not found or error in setting 669 ** 670 *******************************************************************************/ 671 tPAN_RESULT PAN_SetProtocolFilters (UINT16 handle, 672 UINT16 num_filters, 673 UINT16 *p_start_array, 674 UINT16 *p_end_array) 675 { 676 tPAN_CONN *pcb; 677 tPAN_RESULT result; 678 679 /* Check if the connection exists */ 680 pcb = pan_get_pcb_by_handle (handle); 681 if(!pcb) 682 { 683 PAN_TRACE_ERROR ("PAN connection not found for the handle %d", handle); 684 return PAN_FAILURE; 685 } 686 687 result = BNEP_SetProtocolFilters (pcb->handle, num_filters, p_start_array, p_end_array); 688 if (result != BNEP_SUCCESS) 689 { 690 PAN_TRACE_ERROR ("PAN failed to set protocol filters for handle %d", handle); 691 return result; 692 } 693 694 PAN_TRACE_API ("PAN successfully sent protocol filters for handle %d", handle); 695 return PAN_SUCCESS; 696 } 697 698 699 700 /******************************************************************************* 701 ** 702 ** Function PAN_SetMulticastFilters 703 ** 704 ** Description This function is used to set multicast filters on the peer 705 ** 706 ** Parameters: handle - handle for the connection 707 ** num_filters - number of multicast filter ranges 708 ** start - array of starting multicast filter addresses 709 ** end - array of ending multicast filter addresses 710 ** 711 ** 712 ** Returns PAN_SUCCESS if multicast filters are set successfully 713 ** PAN_FAILURE if connection not found or error in setting 714 ** 715 *******************************************************************************/ 716 tBNEP_RESULT PAN_SetMulticastFilters (UINT16 handle, 717 UINT16 num_mcast_filters, 718 UINT8 *p_start_array, 719 UINT8 *p_end_array) 720 { 721 tPAN_CONN *pcb; 722 tPAN_RESULT result; 723 724 /* Check if the connection exists */ 725 pcb = pan_get_pcb_by_handle (handle); 726 if(!pcb) 727 { 728 PAN_TRACE_ERROR ("PAN connection not found for the handle %d", handle); 729 return PAN_FAILURE; 730 } 731 732 result = BNEP_SetMulticastFilters (pcb->handle, 733 num_mcast_filters, p_start_array, p_end_array); 734 if (result != BNEP_SUCCESS) 735 { 736 PAN_TRACE_ERROR ("PAN failed to set multicast filters for handle %d", handle); 737 return result; 738 } 739 740 PAN_TRACE_API ("PAN successfully sent multicast filters for handle %d", handle); 741 return PAN_SUCCESS; 742 } 743 744 745 /******************************************************************************* 746 ** 747 ** Function PAN_SetTraceLevel 748 ** 749 ** Description This function sets the trace level for PAN. If called with 750 ** a value of 0xFF, it simply reads the current trace level. 751 ** 752 ** Returns the new (current) trace level 753 ** 754 *******************************************************************************/ 755 UINT8 PAN_SetTraceLevel (UINT8 new_level) 756 { 757 if (new_level != 0xFF) 758 pan_cb.trace_level = new_level; 759 else 760 pan_dump_status (); 761 762 return (pan_cb.trace_level); 763 } 764 765 /******************************************************************************* 766 ** 767 ** Function PAN_Init 768 ** 769 ** Description This function initializes the PAN module variables 770 ** 771 ** Parameters: none 772 ** 773 ** Returns none 774 ** 775 *******************************************************************************/ 776 void PAN_Init (void) 777 { 778 memset (&pan_cb, 0, sizeof (tPAN_CB)); 779 780 #if defined(PAN_INITIAL_TRACE_LEVEL) 781 pan_cb.trace_level = PAN_INITIAL_TRACE_LEVEL; 782 #else 783 pan_cb.trace_level = BT_TRACE_LEVEL_NONE; /* No traces */ 784 #endif 785 } 786 787 788
