1 /****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 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 GATT utility functions 22 * 23 ******************************************************************************/ 24 #include "bt_target.h" 25 #include "bt_utils.h" 26 27 #if BLE_INCLUDED == TRUE 28 #include <string.h> 29 #include "stdio.h" 30 #include "gki.h" 31 32 #include "l2cdefs.h" 33 #include "gatt_int.h" 34 #include "gatt_api.h" 35 #include "gattdefs.h" 36 #include "sdp_api.h" 37 #include "btm_int.h" 38 /* check if [x, y] and [a, b] have overlapping range */ 39 #define GATT_VALIDATE_HANDLE_RANGE(x, y, a, b) (y >= a && x <= b) 40 41 #define GATT_GET_NEXT_VALID_HANDLE(x) (((x)/10 + 1) * 10) 42 43 const char * const op_code_name[] = 44 { 45 "UNKNOWN", 46 "ATT_RSP_ERROR", 47 "ATT_REQ_MTU", 48 "ATT_RSP_MTU", 49 "ATT_REQ_READ_INFO", 50 "ATT_RSP_READ_INFO", 51 "ATT_REQ_FIND_TYPE_VALUE", 52 "ATT_RSP_FIND_TYPE_VALUE", 53 "ATT_REQ_READ_BY_TYPE", 54 "ATT_RSP_READ_BY_TYPE", 55 "ATT_REQ_READ", 56 "ATT_RSP_READ", 57 "ATT_REQ_READ_BLOB", 58 "ATT_RSP_READ_BLOB", 59 "GATT_REQ_READ_MULTI", 60 "GATT_RSP_READ_MULTI", 61 "GATT_REQ_READ_BY_GRP_TYPE", 62 "GATT_RSP_READ_BY_GRP_TYPE", 63 "ATT_REQ_WRITE", 64 "ATT_RSP_WRITE", 65 "ATT_CMD_WRITE", 66 "ATT_SIGN_CMD_WRITE", 67 "ATT_REQ_PREPARE_WRITE", 68 "ATT_RSP_PREPARE_WRITE", 69 "ATT_REQ_EXEC_WRITE", 70 "ATT_RSP_EXEC_WRITE", 71 "Reserved", 72 "ATT_HANDLE_VALUE_NOTIF", 73 "Reserved", 74 "ATT_HANDLE_VALUE_IND", 75 "ATT_HANDLE_VALUE_CONF", 76 "ATT_OP_CODE_MAX" 77 }; 78 79 static const UINT8 base_uuid[LEN_UUID_128] = {0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, 80 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 81 82 83 /******************************************************************************* 84 ** 85 ** Function gatt_free_pending_ind 86 ** 87 ** Description Free all pending indications 88 ** 89 ** Returns None 90 ** 91 *******************************************************************************/ 92 void gatt_free_pending_ind(tGATT_TCB *p_tcb) 93 { 94 GATT_TRACE_DEBUG("gatt_free_pending_ind"); 95 /* release all queued indications */ 96 while (p_tcb->pending_ind_q.p_first) 97 GKI_freebuf (GKI_dequeue (&p_tcb->pending_ind_q)); 98 } 99 100 /******************************************************************************* 101 ** 102 ** Function gatt_free_pending_enc_queue 103 ** 104 ** Description Free all buffers in pending encyption queue 105 ** 106 ** Returns None 107 ** 108 *******************************************************************************/ 109 void gatt_free_pending_enc_queue(tGATT_TCB *p_tcb) 110 { 111 GATT_TRACE_DEBUG("gatt_free_pending_enc_queue"); 112 /* release all queued indications */ 113 while (p_tcb->pending_enc_clcb.p_first) 114 GKI_freebuf (GKI_dequeue (&p_tcb->pending_enc_clcb)); 115 } 116 117 /******************************************************************************* 118 ** 119 ** Function gatt_delete_dev_from_srv_chg_clt_list 120 ** 121 ** Description Delete a device from the service changed client lit 122 ** 123 ** Returns None 124 ** 125 *******************************************************************************/ 126 void gatt_delete_dev_from_srv_chg_clt_list(BD_ADDR bd_addr) 127 { 128 tGATTS_SRV_CHG *p_buf; 129 tGATTS_SRV_CHG_REQ req; 130 131 GATT_TRACE_DEBUG ("gatt_delete_dev_from_srv_chg_clt_list"); 132 if ((p_buf = gatt_is_bda_in_the_srv_chg_clt_list(bd_addr)) != NULL) 133 { 134 if (gatt_cb.cb_info.p_srv_chg_callback) 135 { 136 /* delete from NV */ 137 memcpy(req.srv_chg.bda, bd_addr, BD_ADDR_LEN); 138 (*gatt_cb.cb_info.p_srv_chg_callback)(GATTS_SRV_CHG_CMD_REMOVE_CLIENT,&req, NULL); 139 } 140 GKI_freebuf (GKI_remove_from_queue (&gatt_cb.srv_chg_clt_q, p_buf)); 141 } 142 143 } 144 145 /******************************************************************************* 146 ** 147 ** Function gatt_set_srv_chg 148 ** 149 ** Description Set the service changed flag to TRUE 150 ** 151 ** Returns None 152 ** 153 *******************************************************************************/ 154 void gatt_set_srv_chg(void) 155 { 156 tGATTS_SRV_CHG *p_buf = (tGATTS_SRV_CHG *)GKI_getfirst(&gatt_cb.srv_chg_clt_q); 157 tGATTS_SRV_CHG_REQ req; 158 159 GATT_TRACE_DEBUG ("gatt_set_srv_chg"); 160 while (p_buf) 161 { 162 GATT_TRACE_DEBUG ("found a srv_chg clt"); 163 if (!p_buf->srv_changed) 164 { 165 GATT_TRACE_DEBUG ("set srv_changed to TRUE"); 166 p_buf->srv_changed= TRUE; 167 memcpy(&req.srv_chg, p_buf, sizeof(tGATTS_SRV_CHG)); 168 if (gatt_cb.cb_info.p_srv_chg_callback) 169 (*gatt_cb.cb_info.p_srv_chg_callback)(GATTS_SRV_CHG_CMD_UPDATE_CLIENT,&req, NULL); 170 } 171 p_buf = (tGATTS_SRV_CHG *)GKI_getnext(p_buf); 172 } 173 } 174 175 /******************************************************************************* 176 ** 177 ** Function gatt_sr_is_new_srv_chg 178 ** 179 ** Description Find the app id in on the new service changed list 180 ** 181 ** Returns Pointer to the found new service changed item othwerwise NULL 182 ** 183 *******************************************************************************/ 184 tGATTS_PENDING_NEW_SRV_START *gatt_sr_is_new_srv_chg(tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst) 185 { 186 tGATTS_HNDL_RANGE *p; 187 tGATTS_PENDING_NEW_SRV_START *p_buf = (tGATTS_PENDING_NEW_SRV_START *)GKI_getfirst(&gatt_cb.pending_new_srv_start_q); 188 189 while (p_buf != NULL) 190 { 191 p = p_buf->p_new_srv_start; 192 if ( gatt_uuid_compare (*p_app_uuid128, p->app_uuid128) 193 && gatt_uuid_compare (*p_svc_uuid, p->svc_uuid) 194 && (svc_inst == p->svc_inst) ) 195 { 196 GATT_TRACE_DEBUG ("gatt_sr_is_new_srv_chg: Yes"); 197 break; 198 } 199 p_buf = (tGATTS_PENDING_NEW_SRV_START *)GKI_getnext(p_buf); 200 } 201 202 return p_buf; 203 } 204 205 206 /******************************************************************************* 207 ** 208 ** Function gatt_add_pending_ind 209 ** 210 ** Description Add a pending indication 211 ** 212 ** Returns Pointer to the current pending indication buffer, NULL no buffer available 213 ** 214 *******************************************************************************/ 215 tGATT_VALUE *gatt_add_pending_ind(tGATT_TCB *p_tcb, tGATT_VALUE *p_ind) 216 { 217 tGATT_VALUE *p_buf; 218 GATT_TRACE_DEBUG ("gatt_add_pending_ind"); 219 if ((p_buf = (tGATT_VALUE *)GKI_getbuf((UINT16)sizeof(tGATT_VALUE))) != NULL) 220 { 221 GATT_TRACE_DEBUG ("enqueue a pending indication"); 222 memcpy(p_buf, p_ind, sizeof(tGATT_VALUE)); 223 GKI_enqueue (&p_tcb->pending_ind_q, p_buf); 224 } 225 return p_buf; 226 } 227 228 229 /******************************************************************************* 230 ** 231 ** Function gatt_add_pending_new_srv_start 232 ** 233 ** Description Add a pending new srv start to the new service start queue 234 ** 235 ** Returns Pointer to the new service start buffer, NULL no buffer available 236 ** 237 *******************************************************************************/ 238 tGATTS_PENDING_NEW_SRV_START *gatt_add_pending_new_srv_start(tGATTS_HNDL_RANGE *p_new_srv_start) 239 { 240 tGATTS_PENDING_NEW_SRV_START *p_buf; 241 242 GATT_TRACE_DEBUG ("gatt_add_pending_new_srv_start"); 243 if ((p_buf = (tGATTS_PENDING_NEW_SRV_START *)GKI_getbuf((UINT16)sizeof(tGATTS_PENDING_NEW_SRV_START))) != NULL) 244 { 245 GATT_TRACE_DEBUG ("enqueue a new pending new srv start"); 246 p_buf->p_new_srv_start = p_new_srv_start; 247 GKI_enqueue (&gatt_cb.pending_new_srv_start_q, p_buf); 248 } 249 return p_buf; 250 } 251 252 253 /******************************************************************************* 254 ** 255 ** Function gatt_add_srv_chg_clt 256 ** 257 ** Description Add a service chnage client to the service change client queue 258 ** 259 ** Returns Pointer to the service change client buffer; Null no buffer available 260 ** 261 *******************************************************************************/ 262 tGATTS_SRV_CHG *gatt_add_srv_chg_clt(tGATTS_SRV_CHG *p_srv_chg) 263 { 264 tGATTS_SRV_CHG *p_buf; 265 GATT_TRACE_DEBUG ("gatt_add_srv_chg_clt"); 266 if ((p_buf = (tGATTS_SRV_CHG *)GKI_getbuf((UINT16)sizeof(tGATTS_SRV_CHG))) != NULL) 267 { 268 GATT_TRACE_DEBUG ("enqueue a srv chg client"); 269 memcpy(p_buf, p_srv_chg, sizeof(tGATTS_SRV_CHG)); 270 GKI_enqueue (&gatt_cb.srv_chg_clt_q, p_buf); 271 } 272 273 return p_buf; 274 } 275 276 277 /******************************************************************************* 278 ** 279 ** Function gatt_alloc_hdl_buffer 280 ** 281 ** Description Allocate a handle buufer 282 ** 283 ** Returns Pointer to the allocated buffer, NULL no buffer available 284 ** 285 *******************************************************************************/ 286 tGATT_HDL_LIST_ELEM *gatt_alloc_hdl_buffer(void) 287 { 288 UINT8 i; 289 tGATT_CB *p_cb = &gatt_cb; 290 tGATT_HDL_LIST_ELEM * p_elem= &p_cb->hdl_list[0]; 291 292 for (i = 0; i < GATT_MAX_SR_PROFILES; i++, p_elem ++) 293 { 294 if (!p_cb->hdl_list[i].in_use) 295 { 296 memset(p_elem, 0, sizeof(tGATT_HDL_LIST_ELEM)); 297 p_elem->in_use = TRUE; 298 return p_elem; 299 } 300 } 301 302 return NULL; 303 } 304 305 /******************************************************************************* 306 ** 307 ** Function gatt_find_hdl_buffer_by_handle 308 ** 309 ** Description Find handle range buffer by service handle. 310 ** 311 ** Returns Pointer to the buffer, NULL no buffer available 312 ** 313 *******************************************************************************/ 314 tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_handle(UINT16 handle) 315 { 316 tGATT_HDL_LIST_INFO *p_list_info= &gatt_cb.hdl_list_info; 317 tGATT_HDL_LIST_ELEM *p_list = NULL; 318 319 p_list = p_list_info->p_first; 320 321 while (p_list != NULL) 322 { 323 if (p_list->in_use && p_list->asgn_range.s_handle == handle) 324 { 325 return(p_list); 326 } 327 p_list = p_list->p_next; 328 } 329 return NULL; 330 } 331 /******************************************************************************* 332 ** 333 ** Function gatt_find_hdl_buffer_by_app_id 334 ** 335 ** Description Find handle range buffer by app ID, service and service instance ID. 336 ** 337 ** Returns Pointer to the buffer, NULL no buffer available 338 ** 339 *******************************************************************************/ 340 tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_app_id (tBT_UUID *p_app_uuid128, 341 tBT_UUID *p_svc_uuid, 342 UINT16 svc_inst) 343 { 344 tGATT_HDL_LIST_INFO *p_list_info= &gatt_cb.hdl_list_info; 345 tGATT_HDL_LIST_ELEM *p_list = NULL; 346 347 p_list = p_list_info->p_first; 348 349 while (p_list != NULL) 350 { 351 if ( gatt_uuid_compare (*p_app_uuid128, p_list->asgn_range.app_uuid128) 352 && gatt_uuid_compare (*p_svc_uuid, p_list->asgn_range.svc_uuid) 353 && (svc_inst == p_list->asgn_range.svc_inst) ) 354 { 355 GATT_TRACE_DEBUG ("Already allocated handles for this service before!!"); 356 return(p_list); 357 } 358 p_list = p_list->p_next; 359 } 360 return NULL; 361 } 362 /******************************************************************************* 363 ** 364 ** Function gatt_free_hdl_buffer 365 ** 366 ** Description free a handle buffer 367 ** 368 ** Returns None 369 ** 370 *******************************************************************************/ 371 void gatt_free_hdl_buffer(tGATT_HDL_LIST_ELEM *p) 372 { 373 374 if (p) 375 { 376 while (p->svc_db.svc_buffer.p_first) 377 GKI_freebuf (GKI_dequeue (&p->svc_db.svc_buffer)); 378 memset(p, 0, sizeof(tGATT_HDL_LIST_ELEM)); 379 } 380 } 381 /******************************************************************************* 382 ** 383 ** Function gatt_free_srvc_db_buffer_app_id 384 ** 385 ** Description free the service attribute database buffers by the owner of the 386 ** service app ID. 387 ** 388 ** Returns None 389 ** 390 *******************************************************************************/ 391 void gatt_free_srvc_db_buffer_app_id(tBT_UUID *p_app_id) 392 { 393 tGATT_HDL_LIST_ELEM *p_elem = &gatt_cb.hdl_list[0]; 394 UINT8 i; 395 396 for (i = 0; i < GATT_MAX_SR_PROFILES; i ++, p_elem ++) 397 { 398 if (memcmp(p_app_id, &p_elem->asgn_range.app_uuid128, sizeof(tBT_UUID)) == 0) 399 { 400 while (p_elem->svc_db.svc_buffer.p_first) 401 GKI_freebuf (GKI_dequeue (&p_elem->svc_db.svc_buffer)); 402 403 p_elem->svc_db.mem_free = 0; 404 p_elem->svc_db.p_attr_list = p_elem->svc_db.p_free_mem = NULL; 405 } 406 } 407 } 408 /******************************************************************************* 409 ** 410 ** Function gatt_is_last_attribute 411 ** 412 ** Description Check this is the last attribute of the specified value or not 413 ** 414 ** Returns TRUE - yes this is the last attribute 415 ** 416 *******************************************************************************/ 417 BOOLEAN gatt_is_last_attribute(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_start, tBT_UUID value) 418 { 419 tGATT_SRV_LIST_ELEM *p_srv= p_start->p_next; 420 BOOLEAN is_last_attribute = TRUE; 421 tGATT_SR_REG *p_rcb = NULL; 422 tBT_UUID *p_svc_uuid; 423 424 p_list->p_last_primary = NULL; 425 426 while (p_srv) 427 { 428 p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg); 429 430 p_svc_uuid = gatts_get_service_uuid (p_rcb->p_db); 431 432 if (gatt_uuid_compare(value, *p_svc_uuid)) 433 { 434 is_last_attribute = FALSE; 435 break; 436 437 } 438 p_srv = p_srv->p_next; 439 } 440 441 return is_last_attribute; 442 443 } 444 445 /******************************************************************************* 446 ** 447 ** Function gatt_update_last_pri_srv_info 448 ** 449 ** Description Update the the last primary info for the service list info 450 ** 451 ** Returns None 452 ** 453 *******************************************************************************/ 454 void gatt_update_last_pri_srv_info(tGATT_SRV_LIST_INFO *p_list) 455 { 456 tGATT_SRV_LIST_ELEM *p_srv= p_list->p_first; 457 458 p_list->p_last_primary = NULL; 459 460 while (p_srv) 461 { 462 if (p_srv->is_primary) 463 { 464 p_list->p_last_primary = p_srv; 465 } 466 p_srv = p_srv->p_next; 467 } 468 469 } 470 /******************************************************************************* 471 ** 472 ** Function gatts_update_srv_list_elem 473 ** 474 ** Description update an element in the service list. 475 ** 476 ** Returns None. 477 ** 478 *******************************************************************************/ 479 void gatts_update_srv_list_elem(UINT8 i_sreg, UINT16 handle, BOOLEAN is_primary) 480 { 481 UNUSED(handle); 482 483 gatt_cb.srv_list[i_sreg].in_use = TRUE; 484 gatt_cb.srv_list[i_sreg].i_sreg = i_sreg; 485 gatt_cb.srv_list[i_sreg].s_hdl = gatt_cb.sr_reg[i_sreg].s_hdl; 486 gatt_cb.srv_list[i_sreg].is_primary = is_primary; 487 488 return; 489 } 490 /******************************************************************************* 491 ** 492 ** Function gatt_add_a_srv_to_list 493 ** 494 ** Description add an service to the list in ascending 495 ** order of the start handle 496 ** 497 ** Returns BOOLEAN TRUE-if add is successful 498 ** 499 *******************************************************************************/ 500 BOOLEAN gatt_add_a_srv_to_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_new) 501 { 502 tGATT_SRV_LIST_ELEM *p_old; 503 504 if (!p_new) 505 { 506 GATT_TRACE_DEBUG("p_new==NULL"); 507 return FALSE; 508 } 509 510 if (!p_list->p_first) 511 { 512 /* this is an empty list */ 513 p_list->p_first = 514 p_list->p_last = p_new; 515 p_new->p_next = 516 p_new->p_prev = NULL; 517 } 518 else 519 { 520 p_old = p_list->p_first; 521 while (1) 522 { 523 if (p_old == NULL) 524 { 525 p_list->p_last->p_next = p_new; 526 p_new->p_prev = p_list->p_last; 527 p_new->p_next = NULL; 528 p_list->p_last = p_new; 529 break; 530 } 531 else 532 { 533 if (p_new->s_hdl < p_old->s_hdl) 534 { 535 /* if not the first in list */ 536 if (p_old->p_prev != NULL) 537 p_old->p_prev->p_next = p_new; 538 else 539 p_list->p_first = p_new; 540 541 p_new->p_prev = p_old->p_prev; 542 p_new->p_next = p_old; 543 p_old->p_prev = p_new; 544 break; 545 } 546 } 547 p_old = p_old->p_next; 548 } 549 } 550 p_list->count++; 551 552 gatt_update_last_pri_srv_info(p_list); 553 return TRUE; 554 555 } 556 557 /******************************************************************************* 558 ** 559 ** Function gatt_remove_a_srv_from_list 560 ** 561 ** Description Remove a service from the list 562 ** 563 ** Returns BOOLEAN TRUE-if remove is successful 564 ** 565 *******************************************************************************/ 566 BOOLEAN gatt_remove_a_srv_from_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_remove) 567 { 568 if (!p_remove || !p_list->p_first) 569 { 570 GATT_TRACE_DEBUG("p_remove==NULL || p_list->p_first==NULL"); 571 return FALSE; 572 } 573 574 if (p_remove->p_prev == NULL) 575 { 576 p_list->p_first = p_remove->p_next; 577 if (p_remove->p_next) 578 p_remove->p_next->p_prev = NULL; 579 } 580 else if (p_remove->p_next == NULL) 581 { 582 p_list->p_last = p_remove->p_prev; 583 p_remove->p_prev->p_next = NULL; 584 } 585 else 586 { 587 p_remove->p_next->p_prev = p_remove->p_prev; 588 p_remove->p_prev->p_next = p_remove->p_next; 589 } 590 p_list->count--; 591 gatt_update_last_pri_srv_info(p_list); 592 return TRUE; 593 594 } 595 596 /******************************************************************************* 597 ** 598 ** Function gatt_add_an_item_to_list 599 ** 600 ** Description add an service handle range to the list in decending 601 ** order of the start handle 602 ** 603 ** Returns BOOLEAN TRUE-if add is successful 604 ** 605 *******************************************************************************/ 606 BOOLEAN gatt_add_an_item_to_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_LIST_ELEM *p_new) 607 { 608 tGATT_HDL_LIST_ELEM *p_old; 609 if (!p_new) 610 { 611 GATT_TRACE_DEBUG("p_new==NULL"); 612 return FALSE; 613 } 614 615 if (!p_list->p_first) 616 { 617 /* this is an empty list */ 618 p_list->p_first = 619 p_list->p_last = p_new; 620 p_new->p_next = 621 p_new->p_prev = NULL; 622 } 623 else 624 { 625 p_old = p_list->p_first; 626 while (1) 627 { 628 if (p_old == NULL) 629 { 630 p_list->p_last->p_next = p_new; 631 p_new->p_prev = p_list->p_last; 632 p_new->p_next = NULL; 633 p_list->p_last = p_new; 634 635 break; 636 637 } 638 else 639 { 640 if (p_new->asgn_range.s_handle > p_old->asgn_range.s_handle) 641 { 642 if (p_old == p_list->p_first) 643 p_list->p_first = p_new; 644 645 p_new->p_prev = p_old->p_prev; 646 p_new->p_next = p_old; 647 648 649 p_old->p_prev = p_new; 650 break; 651 } 652 } 653 p_old = p_old->p_next; 654 } 655 } 656 p_list->count++; 657 return TRUE; 658 659 } 660 661 /******************************************************************************* 662 ** 663 ** Function gatt_remove_an_item_from_list 664 ** 665 ** Description Remove an service handle range from the list 666 ** 667 ** Returns BOOLEAN TRUE-if remove is successful 668 ** 669 *******************************************************************************/ 670 BOOLEAN gatt_remove_an_item_from_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_LIST_ELEM *p_remove) 671 { 672 if (!p_remove || !p_list->p_first) 673 { 674 GATT_TRACE_DEBUG("p_remove==NULL || p_list->p_first==NULL"); 675 return FALSE; 676 } 677 678 if (p_remove->p_prev == NULL) 679 { 680 p_list->p_first = p_remove->p_next; 681 if (p_remove->p_next) 682 p_remove->p_next->p_prev = NULL; 683 } 684 else if (p_remove->p_next == NULL) 685 { 686 p_list->p_last = p_remove->p_prev; 687 p_remove->p_prev->p_next = NULL; 688 } 689 else 690 { 691 p_remove->p_next->p_prev = p_remove->p_prev; 692 p_remove->p_prev->p_next = p_remove->p_next; 693 } 694 p_list->count--; 695 return TRUE; 696 697 } 698 699 /******************************************************************************* 700 ** 701 ** Function gatt_find_the_connected_bda 702 ** 703 ** Description This function find the connected bda 704 ** 705 ** Returns TRUE if found 706 ** 707 *******************************************************************************/ 708 BOOLEAN gatt_find_the_connected_bda(UINT8 start_idx, BD_ADDR bda, UINT8 *p_found_idx, 709 tBT_TRANSPORT *p_transport) 710 { 711 UINT8 i; 712 BOOLEAN found = FALSE; 713 GATT_TRACE_DEBUG("gatt_find_the_connected_bda start_idx=%d",start_idx); 714 715 for (i = start_idx ; i < GATT_MAX_PHY_CHANNEL; i ++) 716 { 717 if (gatt_cb.tcb[i].in_use && gatt_cb.tcb[i].ch_state == GATT_CH_OPEN) 718 { 719 memcpy( bda, gatt_cb.tcb[i].peer_bda, BD_ADDR_LEN); 720 *p_found_idx = i; 721 *p_transport = gatt_cb.tcb[i].transport; 722 found = TRUE; 723 GATT_TRACE_DEBUG("gatt_find_the_connected_bda bda :%02x-%02x-%02x-%02x-%02x-%02x", 724 bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]); 725 break; 726 } 727 } 728 GATT_TRACE_DEBUG("gatt_find_the_connected_bda found=%d found_idx=%d", found, i); 729 return found; 730 } 731 732 733 734 /******************************************************************************* 735 ** 736 ** Function gatt_is_srv_chg_ind_pending 737 ** 738 ** Description Check whether a service chnaged is in the indication pending queue 739 ** or waiting for an Ack already 740 ** 741 ** Returns BOOLEAN 742 ** 743 *******************************************************************************/ 744 BOOLEAN gatt_is_srv_chg_ind_pending (tGATT_TCB *p_tcb) 745 { 746 tGATT_VALUE *p_buf = (tGATT_VALUE *)GKI_getfirst(&p_tcb->pending_ind_q); 747 BOOLEAN srv_chg_ind_pending = FALSE; 748 749 GATT_TRACE_DEBUG("gatt_is_srv_chg_ind_pending is_queue_empty=%d", GKI_queue_is_empty(&p_tcb->pending_ind_q) ); 750 751 if (p_tcb->indicate_handle == gatt_cb.handle_of_h_r) 752 { 753 srv_chg_ind_pending = TRUE; 754 } 755 else 756 { 757 while (p_buf) 758 { 759 if (p_buf->handle == gatt_cb.handle_of_h_r) 760 { 761 srv_chg_ind_pending = TRUE; 762 break; 763 } 764 p_buf = (tGATT_VALUE *)GKI_getnext(p_buf); 765 } 766 } 767 768 GATT_TRACE_DEBUG("srv_chg_ind_pending = %d", srv_chg_ind_pending); 769 return srv_chg_ind_pending; 770 } 771 772 773 /******************************************************************************* 774 ** 775 ** Function gatt_is_bda_in_the_srv_chg_clt_list 776 ** 777 ** Description This function check the specified bda is in the srv chg clinet list or not 778 ** 779 ** Returns pointer to the found elemenet otherwise NULL 780 ** 781 *******************************************************************************/ 782 tGATTS_SRV_CHG *gatt_is_bda_in_the_srv_chg_clt_list (BD_ADDR bda) 783 { 784 tGATTS_SRV_CHG *p_buf = (tGATTS_SRV_CHG *)GKI_getfirst(&gatt_cb.srv_chg_clt_q); 785 786 GATT_TRACE_DEBUG("gatt_is_bda_in_the_srv_chg_clt_list :%02x-%02x-%02x-%02x-%02x-%02x", 787 bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]); 788 789 while (p_buf != NULL) 790 { 791 if (!memcmp( bda, p_buf->bda, BD_ADDR_LEN)) 792 { 793 GATT_TRACE_DEBUG("bda is in the srv chg clt list"); 794 break; 795 } 796 p_buf = (tGATTS_SRV_CHG *)GKI_getnext(p_buf); 797 } 798 799 return p_buf; 800 } 801 802 803 /******************************************************************************* 804 ** 805 ** Function gatt_is_bda_connected 806 ** 807 ** Description 808 ** 809 ** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb. 810 ** 811 *******************************************************************************/ 812 BOOLEAN gatt_is_bda_connected(BD_ADDR bda) 813 { 814 UINT8 i = 0; 815 BOOLEAN connected=FALSE; 816 817 for ( i=0; i < GATT_MAX_PHY_CHANNEL; i ++) 818 { 819 if (gatt_cb.tcb[i].in_use && 820 !memcmp(gatt_cb.tcb[i].peer_bda, bda, BD_ADDR_LEN)) 821 { 822 connected = TRUE; 823 break; 824 } 825 } 826 return connected; 827 } 828 829 /******************************************************************************* 830 ** 831 ** Function gatt_find_i_tcb_by_addr 832 ** 833 ** Description The function searches for an empty tcb entry, and return the index. 834 ** 835 ** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb. 836 ** 837 *******************************************************************************/ 838 UINT8 gatt_find_i_tcb_by_addr(BD_ADDR bda, tBT_TRANSPORT transport) 839 { 840 UINT8 i = 0; 841 842 for ( ; i < GATT_MAX_PHY_CHANNEL; i ++) 843 { 844 if (!memcmp(gatt_cb.tcb[i].peer_bda, bda, BD_ADDR_LEN) && 845 gatt_cb.tcb[i].transport == transport) 846 { 847 return i; 848 } 849 } 850 return GATT_INDEX_INVALID; 851 } 852 853 854 /******************************************************************************* 855 ** 856 ** Function gatt_get_tcb_by_idx 857 ** 858 ** Description The function get TCB using the TCB index 859 ** 860 ** Returns NULL if not found. Otherwise index to the tcb. 861 ** 862 *******************************************************************************/ 863 tGATT_TCB * gatt_get_tcb_by_idx(UINT8 tcb_idx) 864 { 865 tGATT_TCB *p_tcb = NULL; 866 867 if ( (tcb_idx < GATT_MAX_PHY_CHANNEL) && gatt_cb.tcb[tcb_idx].in_use) 868 p_tcb = &gatt_cb.tcb[tcb_idx]; 869 870 return p_tcb; 871 } 872 873 /******************************************************************************* 874 ** 875 ** Function gatt_find_tcb_by_addr 876 ** 877 ** Description The function searches for an empty tcb entry, and return pointer. 878 ** 879 ** Returns NULL if not found. Otherwise index to the tcb. 880 ** 881 *******************************************************************************/ 882 tGATT_TCB * gatt_find_tcb_by_addr(BD_ADDR bda, tBT_TRANSPORT transport) 883 { 884 tGATT_TCB *p_tcb = NULL; 885 UINT8 i = 0; 886 887 if ((i = gatt_find_i_tcb_by_addr(bda, transport)) != GATT_INDEX_INVALID) 888 p_tcb = &gatt_cb.tcb[i]; 889 890 return p_tcb; 891 } 892 /******************************************************************************* 893 ** 894 ** Function gatt_find_i_tcb_free 895 ** 896 ** Description The function searches for an empty tcb entry, and return the index. 897 ** 898 ** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb. 899 ** 900 *******************************************************************************/ 901 UINT8 gatt_find_i_tcb_free(void) 902 { 903 UINT8 i = 0, j = GATT_INDEX_INVALID; 904 905 for (i = 0; i < GATT_MAX_PHY_CHANNEL; i ++) 906 { 907 if (!gatt_cb.tcb[i].in_use) 908 { 909 j = i; 910 break; 911 } 912 } 913 return j; 914 } 915 /******************************************************************************* 916 ** 917 ** Function gatt_allocate_tcb_by_bdaddr 918 ** 919 ** Description The function locate or allocate new tcb entry for matching bda. 920 ** 921 ** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb. 922 ** 923 *******************************************************************************/ 924 tGATT_TCB * gatt_allocate_tcb_by_bdaddr(BD_ADDR bda, tBT_TRANSPORT transport) 925 { 926 UINT8 i = 0; 927 BOOLEAN allocated = FALSE; 928 tGATT_TCB *p_tcb = NULL; 929 930 /* search for existing tcb with matching bda */ 931 i = gatt_find_i_tcb_by_addr(bda, transport); 932 /* find free tcb */ 933 if (i == GATT_INDEX_INVALID) 934 { 935 i = gatt_find_i_tcb_free(); 936 allocated = TRUE; 937 } 938 if (i != GATT_INDEX_INVALID) 939 { 940 p_tcb = &gatt_cb.tcb[i]; 941 942 if (allocated) 943 { 944 memset(p_tcb, 0, sizeof(tGATT_TCB)); 945 GKI_init_q (&p_tcb->pending_enc_clcb); 946 GKI_init_q (&p_tcb->pending_ind_q); 947 p_tcb->in_use = TRUE; 948 p_tcb->tcb_idx = i; 949 p_tcb->transport = transport; 950 } 951 memcpy(p_tcb->peer_bda, bda, BD_ADDR_LEN); 952 } 953 return p_tcb; 954 } 955 956 /******************************************************************************* 957 ** 958 ** Function gatt_convert_uuid16_to_uuid128 959 ** 960 ** Description Convert a 16 bits UUID to be an standard 128 bits one. 961 ** 962 ** Returns TRUE if two uuid match; FALSE otherwise. 963 ** 964 *******************************************************************************/ 965 void gatt_convert_uuid16_to_uuid128(UINT8 uuid_128[LEN_UUID_128], UINT16 uuid_16) 966 { 967 UINT8 *p = &uuid_128[LEN_UUID_128 - 4]; 968 969 memcpy (uuid_128, base_uuid, LEN_UUID_128); 970 971 UINT16_TO_STREAM(p, uuid_16); 972 } 973 974 /******************************************************************************* 975 ** 976 ** Function gatt_convert_uuid32_to_uuid128 977 ** 978 ** Description Convert a 32 bits UUID to be an standard 128 bits one. 979 ** 980 ** Returns TRUE if two uuid match; FALSE otherwise. 981 ** 982 *******************************************************************************/ 983 void gatt_convert_uuid32_to_uuid128(UINT8 uuid_128[LEN_UUID_128], UINT32 uuid_32) 984 { 985 UINT8 *p = &uuid_128[LEN_UUID_128 - 4]; 986 987 memcpy (uuid_128, base_uuid, LEN_UUID_128); 988 989 UINT32_TO_STREAM(p, uuid_32); 990 } 991 /******************************************************************************* 992 ** 993 ** Function gatt_uuid_compare 994 ** 995 ** Description Compare two UUID to see if they are the same. 996 ** 997 ** Returns TRUE if two uuid match; FALSE otherwise. 998 ** 999 *******************************************************************************/ 1000 BOOLEAN gatt_uuid_compare (tBT_UUID src, tBT_UUID tar) 1001 { 1002 UINT8 su[LEN_UUID_128], tu[LEN_UUID_128]; 1003 UINT8 *ps, *pt; 1004 1005 /* any of the UUID is unspecified */ 1006 if (src.len == 0 || tar.len == 0) 1007 { 1008 return TRUE; 1009 } 1010 1011 /* If both are 16-bit, we can do a simple compare */ 1012 if (src.len == LEN_UUID_16 && tar.len == LEN_UUID_16) 1013 { 1014 return src.uu.uuid16 == tar.uu.uuid16; 1015 } 1016 1017 /* If both are 32-bit, we can do a simple compare */ 1018 if (src.len == LEN_UUID_32 && tar.len == LEN_UUID_32) 1019 { 1020 return src.uu.uuid32 == tar.uu.uuid32; 1021 } 1022 1023 /* One or both of the UUIDs is 128-bit */ 1024 if (src.len == LEN_UUID_16) 1025 { 1026 /* convert a 16 bits UUID to 128 bits value */ 1027 gatt_convert_uuid16_to_uuid128(su, src.uu.uuid16); 1028 ps = su; 1029 } 1030 else if (src.len == LEN_UUID_32) 1031 { 1032 gatt_convert_uuid32_to_uuid128(su, src.uu.uuid32); 1033 ps = su; 1034 } 1035 else 1036 ps = src.uu.uuid128; 1037 1038 if (tar.len == LEN_UUID_16) 1039 { 1040 /* convert a 16 bits UUID to 128 bits value */ 1041 gatt_convert_uuid16_to_uuid128(tu, tar.uu.uuid16); 1042 pt = tu; 1043 } 1044 else if (tar.len == LEN_UUID_32) 1045 { 1046 /* convert a 32 bits UUID to 128 bits value */ 1047 gatt_convert_uuid32_to_uuid128(tu, tar.uu.uuid32); 1048 pt = tu; 1049 } 1050 else 1051 pt = tar.uu.uuid128; 1052 1053 return(memcmp(ps, pt, LEN_UUID_128) == 0); 1054 } 1055 1056 /******************************************************************************* 1057 ** 1058 ** Function gatt_build_uuid_to_stream 1059 ** 1060 ** Description Add UUID into stream. 1061 ** 1062 ** Returns UUID length. 1063 ** 1064 *******************************************************************************/ 1065 UINT8 gatt_build_uuid_to_stream(UINT8 **p_dst, tBT_UUID uuid) 1066 { 1067 UINT8 *p = *p_dst; 1068 UINT8 len = 0; 1069 1070 if (uuid.len == LEN_UUID_16) 1071 { 1072 UINT16_TO_STREAM (p, uuid.uu.uuid16); 1073 len = LEN_UUID_16; 1074 } 1075 else if (uuid.len == LEN_UUID_32) /* always convert 32 bits into 128 bits as alwats */ 1076 { 1077 gatt_convert_uuid32_to_uuid128(p, uuid.uu.uuid32); 1078 p += LEN_UUID_128; 1079 len = LEN_UUID_128; 1080 } 1081 else if (uuid.len == LEN_UUID_128) 1082 { 1083 ARRAY_TO_STREAM (p, uuid.uu.uuid128, LEN_UUID_128); 1084 len = LEN_UUID_128; 1085 } 1086 1087 *p_dst = p; 1088 return len; 1089 } 1090 1091 /******************************************************************************* 1092 ** 1093 ** Function gatt_parse_uuid_from_cmd 1094 ** 1095 ** Description Convert a 128 bits UUID into a 16 bits UUID. 1096 ** 1097 ** Returns TRUE if command sent, otherwise FALSE. 1098 ** 1099 *******************************************************************************/ 1100 BOOLEAN gatt_parse_uuid_from_cmd(tBT_UUID *p_uuid_rec, UINT16 uuid_size, UINT8 **p_data) 1101 { 1102 BOOLEAN is_base_uuid, ret = TRUE; 1103 UINT8 xx; 1104 UINT8 *p_uuid = *p_data; 1105 1106 memset(p_uuid_rec, 0, sizeof(tBT_UUID)); 1107 1108 switch (uuid_size) 1109 { 1110 case LEN_UUID_16: 1111 p_uuid_rec->len = uuid_size; 1112 STREAM_TO_UINT16 (p_uuid_rec->uu.uuid16, p_uuid); 1113 *p_data += LEN_UUID_16; 1114 break; 1115 1116 case LEN_UUID_128: 1117 /* See if we can compress his UUID down to 16 or 32bit UUIDs */ 1118 is_base_uuid = TRUE; 1119 for (xx = 0; xx < LEN_UUID_128 - 4; xx++) 1120 { 1121 if (p_uuid[xx] != base_uuid[xx]) 1122 { 1123 is_base_uuid = FALSE; 1124 break; 1125 } 1126 } 1127 if (is_base_uuid) 1128 { 1129 if ((p_uuid[LEN_UUID_128 - 1] == 0) && (p_uuid[LEN_UUID_128 - 2] == 0)) 1130 { 1131 p_uuid += (LEN_UUID_128 - 4); 1132 p_uuid_rec->len = LEN_UUID_16; 1133 STREAM_TO_UINT16(p_uuid_rec->uu.uuid16, p_uuid); 1134 } 1135 else 1136 { 1137 p_uuid += (LEN_UUID_128 - LEN_UUID_32); 1138 p_uuid_rec->len = LEN_UUID_32; 1139 STREAM_TO_UINT32(p_uuid_rec->uu.uuid32, p_uuid); 1140 } 1141 } 1142 if (!is_base_uuid) 1143 { 1144 p_uuid_rec->len = LEN_UUID_128; 1145 memcpy(p_uuid_rec->uu.uuid128, p_uuid, LEN_UUID_128); 1146 } 1147 *p_data += LEN_UUID_128; 1148 break; 1149 1150 /* do not allow 32 bits UUID in ATT PDU now */ 1151 case LEN_UUID_32: 1152 GATT_TRACE_ERROR("DO NOT ALLOW 32 BITS UUID IN ATT PDU"); 1153 case 0: 1154 default: 1155 if (uuid_size != 0) ret = FALSE; 1156 GATT_TRACE_WARNING("gatt_parse_uuid_from_cmd invalid uuid size"); 1157 break; 1158 } 1159 1160 return( ret); 1161 } 1162 1163 /******************************************************************************* 1164 ** 1165 ** Function gatt_start_rsp_timer 1166 ** 1167 ** Description Start a wait_for_response timer. 1168 ** 1169 ** Returns TRUE if command sent, otherwise FALSE. 1170 ** 1171 *******************************************************************************/ 1172 void gatt_start_rsp_timer(UINT16 clcb_idx) 1173 { 1174 tGATT_CLCB *p_clcb = &gatt_cb.clcb[clcb_idx]; 1175 UINT32 timeout = GATT_WAIT_FOR_RSP_TOUT; 1176 p_clcb->rsp_timer_ent.param = (TIMER_PARAM_TYPE)p_clcb; 1177 if (p_clcb->operation == GATTC_OPTYPE_DISCOVERY && 1178 p_clcb->op_subtype == GATT_DISC_SRVC_ALL) 1179 { 1180 timeout = GATT_WAIT_FOR_DISC_RSP_TOUT; 1181 } 1182 btu_start_timer (&p_clcb->rsp_timer_ent, BTU_TTYPE_ATT_WAIT_FOR_RSP, 1183 timeout); 1184 } 1185 /******************************************************************************* 1186 ** 1187 ** Function gatt_start_conf_timer 1188 ** 1189 ** Description Start a wait_for_confirmation timer. 1190 ** 1191 ** Returns TRUE if command sent, otherwise FALSE. 1192 ** 1193 *******************************************************************************/ 1194 void gatt_start_conf_timer(tGATT_TCB *p_tcb) 1195 { 1196 p_tcb->conf_timer_ent.param = (TIMER_PARAM_TYPE)p_tcb; 1197 btu_start_timer (&p_tcb->conf_timer_ent, BTU_TTYPE_ATT_WAIT_FOR_RSP, 1198 GATT_WAIT_FOR_RSP_TOUT); 1199 } 1200 /******************************************************************************* 1201 ** 1202 ** Function gatt_start_ind_ack_timer 1203 ** 1204 ** Description start the application ack timer 1205 ** 1206 ** Returns void 1207 ** 1208 *******************************************************************************/ 1209 void gatt_start_ind_ack_timer(tGATT_TCB *p_tcb) 1210 { 1211 p_tcb->ind_ack_timer_ent.param = (TIMER_PARAM_TYPE)p_tcb; 1212 /* start notification cache timer */ 1213 btu_start_timer (&p_tcb->ind_ack_timer_ent, BTU_TTYPE_ATT_WAIT_FOR_IND_ACK, 1214 GATT_WAIT_FOR_RSP_TOUT); 1215 1216 } 1217 /******************************************************************************* 1218 ** 1219 ** Function gatt_rsp_timeout 1220 ** 1221 ** Description Called when GATT wait for ATT command response timer expires 1222 ** 1223 ** Returns void 1224 ** 1225 *******************************************************************************/ 1226 void gatt_rsp_timeout(TIMER_LIST_ENT *p_tle) 1227 { 1228 tGATT_CLCB *p_clcb = (tGATT_CLCB *)p_tle->param; 1229 if (p_clcb == NULL || p_clcb->p_tcb == NULL) 1230 { 1231 GATT_TRACE_WARNING("gatt_rsp_timeout clcb is already deleted"); 1232 return; 1233 } 1234 if (p_clcb->operation == GATTC_OPTYPE_DISCOVERY && 1235 p_clcb->op_subtype == GATT_DISC_SRVC_ALL && 1236 p_clcb->retry_count < GATT_REQ_RETRY_LIMIT) 1237 { 1238 UINT8 rsp_code; 1239 GATT_TRACE_WARNING("gatt_rsp_timeout retry discovery primary service"); 1240 if (p_clcb != gatt_cmd_dequeue(p_clcb->p_tcb, &rsp_code)) 1241 { 1242 GATT_TRACE_ERROR("gatt_rsp_timeout command queue out of sync, disconnect"); 1243 } 1244 else 1245 { 1246 p_clcb->retry_count++; 1247 gatt_act_discovery(p_clcb); 1248 return; 1249 } 1250 } 1251 1252 GATT_TRACE_WARNING("gatt_rsp_timeout disconnecting..."); 1253 gatt_disconnect (p_clcb->p_tcb); 1254 } 1255 1256 /******************************************************************************* 1257 ** 1258 ** Function gatt_ind_ack_timeout 1259 ** 1260 ** Description Called when GATT wait for ATT handle confirmation timeout 1261 ** 1262 ** Returns void 1263 ** 1264 *******************************************************************************/ 1265 void gatt_ind_ack_timeout(TIMER_LIST_ENT *p_tle) 1266 { 1267 tGATT_TCB * p_tcb = (tGATT_TCB *)p_tle->param; 1268 1269 GATT_TRACE_WARNING("gatt_ind_ack_timeout send ack now"); 1270 1271 if (p_tcb != NULL) 1272 p_tcb->ind_count = 0; 1273 1274 attp_send_cl_msg(((tGATT_TCB *)p_tle->param), 0, GATT_HANDLE_VALUE_CONF, NULL); 1275 } 1276 /******************************************************************************* 1277 ** 1278 ** Function gatt_sr_find_i_rcb_by_handle 1279 ** 1280 ** Description The function searches for a service that owns a specific handle. 1281 ** 1282 ** Returns GATT_MAX_SR_PROFILES if not found. Otherwise index of th eservice. 1283 ** 1284 *******************************************************************************/ 1285 UINT8 gatt_sr_find_i_rcb_by_handle(UINT16 handle) 1286 { 1287 UINT8 i_rcb = 0; 1288 1289 for ( ; i_rcb < GATT_MAX_SR_PROFILES; i_rcb++) 1290 { 1291 if (gatt_cb.sr_reg[i_rcb].in_use && 1292 gatt_cb.sr_reg[i_rcb].s_hdl <= handle && 1293 gatt_cb.sr_reg[i_rcb].e_hdl >= handle ) 1294 { 1295 break; 1296 } 1297 } 1298 return i_rcb; 1299 } 1300 1301 /******************************************************************************* 1302 ** 1303 ** Function gatt_sr_find_i_rcb_by_handle 1304 ** 1305 ** Description The function searches for a service that owns a specific handle. 1306 ** 1307 ** Returns 0 if not found. Otherwise index of th eservice. 1308 ** 1309 *******************************************************************************/ 1310 UINT8 gatt_sr_find_i_rcb_by_app_id(tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst) 1311 { 1312 UINT8 i_rcb = 0; 1313 tGATT_SR_REG *p_sreg; 1314 tBT_UUID *p_this_uuid; 1315 1316 for (i_rcb = 0, p_sreg = gatt_cb.sr_reg; i_rcb < GATT_MAX_SR_PROFILES; i_rcb++, p_sreg++) 1317 { 1318 if ( p_sreg->in_use ) 1319 { 1320 p_this_uuid = gatts_get_service_uuid (p_sreg->p_db); 1321 1322 if (p_this_uuid && 1323 gatt_uuid_compare (*p_app_uuid128, p_sreg->app_uuid ) && 1324 gatt_uuid_compare (*p_svc_uuid, *p_this_uuid) && 1325 (svc_inst == p_sreg->service_instance)) 1326 { 1327 GATT_TRACE_ERROR ("Active Service Found "); 1328 gatt_dbg_display_uuid(*p_svc_uuid); 1329 1330 break; 1331 } 1332 } 1333 } 1334 return i_rcb; 1335 } 1336 /******************************************************************************* 1337 ** 1338 ** Function gatt_sr_find_i_rcb_by_handle 1339 ** 1340 ** Description The function searches for a service that owns a specific handle. 1341 ** 1342 ** Returns 0 if not found. Otherwise index of th eservice. 1343 ** 1344 *******************************************************************************/ 1345 UINT8 gatt_sr_alloc_rcb(tGATT_HDL_LIST_ELEM *p_list ) 1346 { 1347 UINT8 ii = 0; 1348 tGATT_SR_REG *p_sreg = NULL; 1349 1350 /*this is a new application servoce start */ 1351 for (ii = 0, p_sreg = gatt_cb.sr_reg; ii < GATT_MAX_SR_PROFILES; ii++, p_sreg++) 1352 { 1353 if (!p_sreg->in_use) 1354 { 1355 memset (p_sreg, 0, sizeof(tGATT_SR_REG)); 1356 1357 p_sreg->in_use = TRUE; 1358 memcpy (&p_sreg->app_uuid, &p_list->asgn_range.app_uuid128, sizeof(tBT_UUID)); 1359 1360 p_sreg->service_instance = p_list->asgn_range.svc_inst; 1361 p_sreg->type = p_list->asgn_range.is_primary ? GATT_UUID_PRI_SERVICE: GATT_UUID_SEC_SERVICE; 1362 p_sreg->s_hdl = p_list->asgn_range.s_handle; 1363 p_sreg->e_hdl = p_list->asgn_range.e_handle; 1364 p_sreg->p_db = &p_list->svc_db; 1365 1366 GATT_TRACE_DEBUG ("total GKI buffer in db [%d]",p_sreg->p_db->svc_buffer.count); 1367 break; 1368 } 1369 } 1370 1371 return ii; 1372 } 1373 /******************************************************************************* 1374 ** 1375 ** Function gatt_sr_get_sec_info 1376 ** 1377 ** Description Get the security flag and key size information for the peer 1378 ** device. 1379 ** 1380 ** Returns void 1381 ** 1382 *******************************************************************************/ 1383 void gatt_sr_get_sec_info(BD_ADDR rem_bda, tBT_TRANSPORT transport, UINT8 *p_sec_flag, UINT8 *p_key_size) 1384 { 1385 UINT8 sec_flag = 0; 1386 1387 BTM_GetSecurityFlagsByTransport(rem_bda, &sec_flag, transport); 1388 1389 sec_flag &= (GATT_SEC_FLAG_LKEY_UNAUTHED | GATT_SEC_FLAG_LKEY_AUTHED | GATT_SEC_FLAG_ENCRYPTED); 1390 1391 *p_key_size = btm_ble_read_sec_key_size(rem_bda); 1392 *p_sec_flag = sec_flag; 1393 } 1394 /******************************************************************************* 1395 ** 1396 ** Function gatt_sr_send_req_callback 1397 ** 1398 ** Description 1399 ** 1400 ** 1401 ** Returns void 1402 ** 1403 *******************************************************************************/ 1404 void gatt_sr_send_req_callback(UINT16 conn_id, 1405 UINT32 trans_id, 1406 tGATTS_REQ_TYPE type, tGATTS_DATA *p_data) 1407 { 1408 tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id); 1409 tGATT_REG *p_reg = gatt_get_regcb(gatt_if); 1410 1411 if (!p_reg ) 1412 { 1413 GATT_TRACE_ERROR ("p_reg not found discard request"); 1414 return; 1415 } 1416 1417 if ( p_reg->in_use && 1418 p_reg->app_cb.p_req_cb) 1419 { 1420 (*p_reg->app_cb.p_req_cb)(conn_id, trans_id, type, p_data); 1421 } 1422 else 1423 { 1424 GATT_TRACE_WARNING("Call back not found for application conn_id=%d", conn_id); 1425 } 1426 1427 } 1428 1429 /******************************************************************************* 1430 ** 1431 ** Function gatt_send_error_rsp 1432 ** 1433 ** Description This function sends an error response. 1434 ** 1435 ** Returns void 1436 ** 1437 *******************************************************************************/ 1438 tGATT_STATUS gatt_send_error_rsp (tGATT_TCB *p_tcb, UINT8 err_code, UINT8 op_code, 1439 UINT16 handle, BOOLEAN deq) 1440 { 1441 tGATT_ERROR error; 1442 tGATT_STATUS status; 1443 BT_HDR *p_buf; 1444 1445 error.cmd_code = op_code; 1446 error.reason = err_code; 1447 error.handle =handle; 1448 1449 if ((p_buf = attp_build_sr_msg(p_tcb, GATT_RSP_ERROR, (tGATT_SR_MSG *)&error)) != NULL) 1450 { 1451 status = attp_send_sr_msg (p_tcb, p_buf); 1452 } 1453 else 1454 status = GATT_INSUF_RESOURCE; 1455 1456 if (deq) 1457 gatt_dequeue_sr_cmd(p_tcb); 1458 1459 return status; 1460 } 1461 1462 1463 /******************************************************************************* 1464 ** 1465 ** Function gatt_add_sdp_record 1466 ** 1467 ** Description This function add a SDP record for a GATT primary service 1468 ** 1469 ** Returns 0 if error else sdp handle for the record. 1470 ** 1471 *******************************************************************************/ 1472 UINT32 gatt_add_sdp_record (tBT_UUID *p_uuid, UINT16 start_hdl, UINT16 end_hdl) 1473 { 1474 tSDP_PROTOCOL_ELEM proto_elem_list[2]; 1475 UINT32 sdp_handle; 1476 UINT16 list = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP; 1477 UINT8 buff[60]; 1478 UINT8 *p = buff; 1479 1480 GATT_TRACE_DEBUG("gatt_add_sdp_record s_hdl=0x%x s_hdl=0x%x",start_hdl, end_hdl); 1481 1482 if ((sdp_handle = SDP_CreateRecord()) == 0) 1483 return 0; 1484 1485 switch (p_uuid->len) 1486 { 1487 case LEN_UUID_16: 1488 SDP_AddServiceClassIdList(sdp_handle, 1, &p_uuid->uu.uuid16); 1489 break; 1490 1491 case LEN_UUID_32: 1492 UINT8_TO_BE_STREAM (p, (UUID_DESC_TYPE << 3) | SIZE_FOUR_BYTES); 1493 UINT32_TO_BE_STREAM (p, p_uuid->uu.uuid32); 1494 SDP_AddAttribute (sdp_handle, ATTR_ID_SERVICE_CLASS_ID_LIST, DATA_ELE_SEQ_DESC_TYPE, 1495 (UINT32) (p - buff), buff); 1496 break; 1497 1498 case LEN_UUID_128: 1499 UINT8_TO_BE_STREAM (p, (UUID_DESC_TYPE << 3) | SIZE_SIXTEEN_BYTES); 1500 ARRAY_TO_BE_STREAM (p, p_uuid->uu.uuid128, LEN_UUID_128); 1501 SDP_AddAttribute (sdp_handle, ATTR_ID_SERVICE_CLASS_ID_LIST, DATA_ELE_SEQ_DESC_TYPE, 1502 (UINT32) (p - buff), buff); 1503 break; 1504 1505 default: 1506 GATT_TRACE_ERROR("inavlid UUID len=%d", p_uuid->len); 1507 SDP_DeleteRecord(sdp_handle); 1508 return 0; 1509 break; 1510 } 1511 1512 /*** Fill out the protocol element sequence for SDP ***/ 1513 proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP; 1514 proto_elem_list[0].num_params = 1; 1515 proto_elem_list[0].params[0] = BT_PSM_ATT; 1516 proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_ATT; 1517 proto_elem_list[1].num_params = 2; 1518 proto_elem_list[1].params[0] = start_hdl; 1519 proto_elem_list[1].params[1] = end_hdl; 1520 1521 SDP_AddProtocolList(sdp_handle, 2, proto_elem_list); 1522 1523 /* Make the service browseable */ 1524 SDP_AddUuidSequence (sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, &list); 1525 1526 return(sdp_handle); 1527 } 1528 1529 1530 #if GATT_CONFORMANCE_TESTING == TRUE 1531 /******************************************************************************* 1532 ** 1533 ** Function gatt_set_err_rsp 1534 ** 1535 ** Description This function is called to set the test confirm value 1536 ** 1537 ** Returns void 1538 ** 1539 *******************************************************************************/ 1540 void gatt_set_err_rsp(BOOLEAN enable, UINT8 req_op_code, UINT8 err_status) 1541 { 1542 GATT_TRACE_DEBUG("gatt_set_err_rsp enable=%d op_code=%d, err_status=%d", enable, req_op_code, err_status); 1543 gatt_cb.enable_err_rsp = enable; 1544 gatt_cb.req_op_code = req_op_code; 1545 gatt_cb.err_status = err_status; 1546 } 1547 #endif 1548 1549 1550 1551 /******************************************************************************* 1552 ** 1553 ** Function gatt_get_regcb 1554 ** 1555 ** Description The function returns the registration control block. 1556 ** 1557 ** Returns pointer to the registration control block or NULL 1558 ** 1559 *******************************************************************************/ 1560 tGATT_REG *gatt_get_regcb (tGATT_IF gatt_if) 1561 { 1562 UINT8 ii = (UINT8)gatt_if; 1563 tGATT_REG *p_reg = NULL; 1564 1565 if (ii) 1566 { 1567 ii--; /* convert from one based to zero based */ 1568 p_reg = &gatt_cb.cl_rcb[ii]; 1569 if ( (ii < GATT_MAX_APPS) && (p_reg->in_use) ) 1570 return(p_reg); 1571 } 1572 1573 return NULL; 1574 } 1575 1576 1577 /******************************************************************************* 1578 ** 1579 ** Function gatt_is_clcb_allocated 1580 ** 1581 ** Description The function check clcb for conn_id is allocated or not 1582 ** 1583 ** Returns True already allocated 1584 ** 1585 *******************************************************************************/ 1586 1587 BOOLEAN gatt_is_clcb_allocated (UINT16 conn_id) 1588 { 1589 UINT8 i = 0; 1590 BOOLEAN is_allocated= FALSE; 1591 1592 for (i = 0; i < GATT_CL_MAX_LCB; i++) 1593 { 1594 if (gatt_cb.clcb[i].in_use && (gatt_cb.clcb[i].conn_id == conn_id)) 1595 { 1596 is_allocated = TRUE; 1597 break; 1598 } 1599 } 1600 1601 return is_allocated; 1602 } 1603 1604 /******************************************************************************* 1605 ** 1606 ** Function gatt_clcb_alloc 1607 ** 1608 ** Description The function allocates a GATT connection link control block 1609 ** 1610 ** Returns NULL if not found. Otherwise pointer to the connection link block. 1611 ** 1612 *******************************************************************************/ 1613 tGATT_CLCB *gatt_clcb_alloc (UINT16 conn_id) 1614 { 1615 UINT8 i = 0; 1616 tGATT_CLCB *p_clcb = NULL; 1617 tGATT_IF gatt_if=GATT_GET_GATT_IF(conn_id); 1618 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id); 1619 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx); 1620 tGATT_REG *p_reg = gatt_get_regcb(gatt_if); 1621 1622 for (i = 0; i < GATT_CL_MAX_LCB; i++) 1623 { 1624 if (!gatt_cb.clcb[i].in_use) 1625 { 1626 p_clcb = &gatt_cb.clcb[i]; 1627 1628 p_clcb->in_use = TRUE; 1629 p_clcb->conn_id = conn_id; 1630 p_clcb->clcb_idx = i; 1631 p_clcb->p_reg = p_reg; 1632 p_clcb->p_tcb = p_tcb; 1633 break; 1634 } 1635 } 1636 return p_clcb; 1637 } 1638 1639 /******************************************************************************* 1640 ** 1641 ** Function gatt_clcb_dealloc 1642 ** 1643 ** Description The function de allocates a GATT connection link control block 1644 ** 1645 ** Returns None 1646 ** 1647 *******************************************************************************/ 1648 void gatt_clcb_dealloc (tGATT_CLCB *p_clcb) 1649 { 1650 if (p_clcb && p_clcb->in_use) 1651 { 1652 memset(p_clcb, 0, sizeof(tGATT_CLCB)); 1653 } 1654 } 1655 1656 1657 1658 /******************************************************************************* 1659 ** 1660 ** Function gatt_find_tcb_by_cid 1661 ** 1662 ** Description The function searches for an empty entry 1663 ** in registration info table for GATT client 1664 ** 1665 ** Returns NULL if not found. Otherwise pointer to the rcb. 1666 ** 1667 *******************************************************************************/ 1668 tGATT_TCB * gatt_find_tcb_by_cid (UINT16 lcid) 1669 { 1670 UINT16 xx = 0; 1671 tGATT_TCB *p_tcb = NULL; 1672 1673 for (xx = 0; xx < GATT_MAX_PHY_CHANNEL; xx++) 1674 { 1675 if (gatt_cb.tcb[xx].in_use && gatt_cb.tcb[xx].att_lcid == lcid) 1676 { 1677 p_tcb = &gatt_cb.tcb[xx]; 1678 break; 1679 } 1680 } 1681 return p_tcb; 1682 } 1683 1684 1685 /******************************************************************************* 1686 ** 1687 ** Function gatt_num_apps_hold_link 1688 ** 1689 ** Description The function find the number of applcaitions is holding the link 1690 ** 1691 ** Returns total number of applications holding this acl link. 1692 ** 1693 *******************************************************************************/ 1694 UINT8 gatt_num_apps_hold_link(tGATT_TCB *p_tcb) 1695 { 1696 UINT8 i, num = 0; 1697 1698 for (i = 0; i < GATT_MAX_APPS; i ++) 1699 { 1700 if (p_tcb->app_hold_link[i]) 1701 num ++; 1702 } 1703 1704 GATT_TRACE_DEBUG("gatt_num_apps_hold_link num=%d", num); 1705 return num; 1706 } 1707 1708 1709 /******************************************************************************* 1710 ** 1711 ** Function gatt_num_clcb_by_bd_addr 1712 ** 1713 ** Description The function searches all LCB with macthing bd address 1714 ** 1715 ** Returns total number of clcb found. 1716 ** 1717 *******************************************************************************/ 1718 UINT8 gatt_num_clcb_by_bd_addr(BD_ADDR bda) 1719 { 1720 UINT8 i, num = 0; 1721 1722 for (i = 0; i < GATT_CL_MAX_LCB; i ++) 1723 { 1724 if (gatt_cb.clcb[i].in_use && memcmp(gatt_cb.clcb[i].p_tcb->peer_bda, bda, BD_ADDR_LEN) == 0) 1725 num ++; 1726 } 1727 return num; 1728 } 1729 1730 /******************************************************************************* 1731 ** 1732 ** Function gatt_sr_update_cback_cnt 1733 ** 1734 ** Description The function searches all LCB with macthing bd address 1735 ** 1736 ** Returns total number of clcb found. 1737 ** 1738 *******************************************************************************/ 1739 void gatt_sr_copy_prep_cnt_to_cback_cnt(tGATT_TCB *p_tcb ) 1740 { 1741 UINT8 i; 1742 1743 if (p_tcb) 1744 { 1745 for (i = 0; i < GATT_MAX_APPS; i ++) 1746 { 1747 if (p_tcb->prep_cnt[i]) 1748 { 1749 p_tcb->sr_cmd.cback_cnt[i]=1; 1750 } 1751 } 1752 } 1753 1754 } 1755 1756 /******************************************************************************* 1757 ** 1758 ** Function gatt_sr_is_cback_cnt_zero 1759 ** 1760 ** Description The function searches all LCB with macthing bd address 1761 ** 1762 ** Returns True if thetotal application callback count is zero 1763 ** 1764 *******************************************************************************/ 1765 BOOLEAN gatt_sr_is_cback_cnt_zero(tGATT_TCB *p_tcb ) 1766 { 1767 BOOLEAN status = TRUE; 1768 UINT8 i; 1769 1770 if (p_tcb) 1771 { 1772 for (i = 0; i < GATT_MAX_APPS; i ++) 1773 { 1774 if (p_tcb->sr_cmd.cback_cnt[i]) 1775 { 1776 status = FALSE; 1777 break; 1778 } 1779 } 1780 } 1781 else 1782 { 1783 status = FALSE; 1784 } 1785 return status; 1786 } 1787 1788 /******************************************************************************* 1789 ** 1790 ** Function gatt_sr_is_prep_cnt_zero 1791 ** 1792 ** Description Check the prepare write request count is zero or not 1793 ** 1794 ** Returns True no prepare write request 1795 ** 1796 *******************************************************************************/ 1797 BOOLEAN gatt_sr_is_prep_cnt_zero(tGATT_TCB *p_tcb) 1798 { 1799 BOOLEAN status = TRUE; 1800 UINT8 i; 1801 1802 if (p_tcb) 1803 { 1804 for (i = 0; i < GATT_MAX_APPS; i ++) 1805 { 1806 if (p_tcb->prep_cnt[i]) 1807 { 1808 status = FALSE; 1809 break; 1810 } 1811 } 1812 } 1813 else 1814 { 1815 status = FALSE; 1816 } 1817 return status; 1818 } 1819 1820 1821 /******************************************************************************* 1822 ** 1823 ** Function gatt_sr_reset_cback_cnt 1824 ** 1825 ** Description Reset the application callback count to zero 1826 ** 1827 ** Returns None 1828 ** 1829 *******************************************************************************/ 1830 void gatt_sr_reset_cback_cnt(tGATT_TCB *p_tcb ) 1831 { 1832 UINT8 i; 1833 1834 if (p_tcb) 1835 { 1836 for (i = 0; i < GATT_MAX_APPS; i ++) 1837 { 1838 p_tcb->sr_cmd.cback_cnt[i]=0; 1839 } 1840 } 1841 } 1842 1843 /******************************************************************************* 1844 ** 1845 ** Function gatt_sr_reset_prep_cnt 1846 ** 1847 ** Description Reset the prep write count to zero 1848 ** 1849 ** Returns None 1850 ** 1851 *******************************************************************************/ 1852 void gatt_sr_reset_prep_cnt(tGATT_TCB *p_tcb ) 1853 { 1854 UINT8 i; 1855 if (p_tcb) 1856 { 1857 for (i = 0; i < GATT_MAX_APPS; i ++) 1858 { 1859 p_tcb->prep_cnt[i]=0; 1860 } 1861 } 1862 } 1863 1864 1865 /******************************************************************************* 1866 ** 1867 ** Function gatt_sr_update_cback_cnt 1868 ** 1869 ** Description Update the teh applicaiton callback count 1870 ** 1871 ** Returns None 1872 ** 1873 *******************************************************************************/ 1874 void gatt_sr_update_cback_cnt(tGATT_TCB *p_tcb, tGATT_IF gatt_if, BOOLEAN is_inc, BOOLEAN is_reset_first) 1875 { 1876 1877 UINT8 idx = ((UINT8) gatt_if) - 1 ; 1878 1879 if (p_tcb) 1880 { 1881 if (is_reset_first) 1882 { 1883 gatt_sr_reset_cback_cnt(p_tcb); 1884 } 1885 if (is_inc) 1886 { 1887 p_tcb->sr_cmd.cback_cnt[idx]++; 1888 } 1889 else 1890 { 1891 if ( p_tcb->sr_cmd.cback_cnt[idx]) 1892 { 1893 p_tcb->sr_cmd.cback_cnt[idx]--; 1894 } 1895 } 1896 } 1897 } 1898 1899 1900 /******************************************************************************* 1901 ** 1902 ** Function gatt_sr_update_prep_cnt 1903 ** 1904 ** Description Update the teh prepare write request count 1905 ** 1906 ** Returns None 1907 ** 1908 *******************************************************************************/ 1909 void gatt_sr_update_prep_cnt(tGATT_TCB *p_tcb, tGATT_IF gatt_if, BOOLEAN is_inc, BOOLEAN is_reset_first) 1910 { 1911 UINT8 idx = ((UINT8) gatt_if) - 1 ; 1912 1913 GATT_TRACE_DEBUG("gatt_sr_update_prep_cnt tcb idx=%d gatt_if=%d is_inc=%d is_reset_first=%d", 1914 p_tcb->tcb_idx, gatt_if, is_inc, is_reset_first); 1915 1916 if (p_tcb) 1917 { 1918 if (is_reset_first) 1919 { 1920 gatt_sr_reset_prep_cnt(p_tcb); 1921 } 1922 if (is_inc) 1923 { 1924 p_tcb->prep_cnt[idx]++; 1925 } 1926 else 1927 { 1928 if (p_tcb->prep_cnt[idx]) 1929 { 1930 p_tcb->prep_cnt[idx]--; 1931 } 1932 } 1933 } 1934 } 1935 /******************************************************************************* 1936 ** 1937 ** Function gatt_cancel_open 1938 ** 1939 ** Description Cancel open request 1940 ** 1941 ** Returns Boolean 1942 ** 1943 *******************************************************************************/ 1944 BOOLEAN gatt_cancel_open(tGATT_IF gatt_if, BD_ADDR bda) 1945 { 1946 tGATT_TCB *p_tcb=NULL; 1947 BOOLEAN status= TRUE; 1948 1949 p_tcb = gatt_find_tcb_by_addr(bda, BT_TRANSPORT_LE); 1950 1951 if (p_tcb) 1952 { 1953 if (gatt_get_ch_state(p_tcb) == GATT_CH_OPEN) 1954 { 1955 GATT_TRACE_ERROR("GATT_CancelConnect - link connected Too late to cancel"); 1956 status = FALSE; 1957 } 1958 else 1959 { 1960 gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, FALSE); 1961 if (!gatt_num_apps_hold_link(p_tcb)) 1962 { 1963 gatt_disconnect(p_tcb); 1964 } 1965 } 1966 } 1967 1968 return status; 1969 } 1970 1971 /******************************************************************************* 1972 ** 1973 ** Function gatt_find_app_hold_link 1974 ** 1975 ** Description find the applicaiton that is holding the specified link 1976 ** 1977 ** Returns Boolean 1978 ** 1979 *******************************************************************************/ 1980 BOOLEAN gatt_find_app_hold_link(tGATT_TCB *p_tcb, UINT8 start_idx, UINT8 *p_found_idx, tGATT_IF *p_gatt_if) 1981 { 1982 UINT8 i; 1983 BOOLEAN found= FALSE; 1984 1985 for (i = start_idx; i < GATT_MAX_APPS; i ++) 1986 { 1987 if (p_tcb->app_hold_link[i]) 1988 { 1989 *p_gatt_if = gatt_cb.clcb[i].p_reg->gatt_if; 1990 *p_found_idx = i; 1991 found = TRUE; 1992 break; 1993 } 1994 } 1995 return found; 1996 } 1997 1998 /******************************************************************************* 1999 ** 2000 ** Function gatt_cmd_enq 2001 ** 2002 ** Description Enqueue this command. 2003 ** 2004 ** Returns None. 2005 ** 2006 *******************************************************************************/ 2007 BOOLEAN gatt_cmd_enq(tGATT_TCB *p_tcb, UINT16 clcb_idx, BOOLEAN to_send, UINT8 op_code, BT_HDR *p_buf) 2008 { 2009 tGATT_CMD_Q *p_cmd = &p_tcb->cl_cmd_q[p_tcb->next_slot_inq]; 2010 2011 p_cmd->to_send = to_send; /* waiting to be sent */ 2012 p_cmd->op_code = op_code; 2013 p_cmd->p_cmd = p_buf; 2014 p_cmd->clcb_idx = clcb_idx; 2015 2016 if (!to_send) 2017 { 2018 p_tcb->pending_cl_req = p_tcb->next_slot_inq; 2019 } 2020 2021 p_tcb->next_slot_inq ++; 2022 p_tcb->next_slot_inq %= GATT_CL_MAX_LCB; 2023 2024 return TRUE; 2025 } 2026 2027 /******************************************************************************* 2028 ** 2029 ** Function gatt_cmd_dequeue 2030 ** 2031 ** Description dequeue the command in the client CCB command queue. 2032 ** 2033 ** Returns total number of clcb found. 2034 ** 2035 *******************************************************************************/ 2036 tGATT_CLCB * gatt_cmd_dequeue(tGATT_TCB *p_tcb, UINT8 *p_op_code) 2037 { 2038 tGATT_CMD_Q *p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req]; 2039 tGATT_CLCB *p_clcb = NULL; 2040 2041 if (p_tcb->pending_cl_req != p_tcb->next_slot_inq) 2042 { 2043 p_clcb = &gatt_cb.clcb[p_cmd->clcb_idx]; 2044 2045 *p_op_code = p_cmd->op_code; 2046 2047 p_tcb->pending_cl_req ++; 2048 p_tcb->pending_cl_req %= GATT_CL_MAX_LCB; 2049 } 2050 2051 return p_clcb; 2052 } 2053 2054 /******************************************************************************* 2055 ** 2056 ** Function gatt_send_write_msg 2057 ** 2058 ** Description This real function send out the ATT message for write. 2059 ** 2060 ** Returns status code 2061 ** 2062 *******************************************************************************/ 2063 UINT8 gatt_send_write_msg (tGATT_TCB *p_tcb, UINT16 clcb_idx, UINT8 op_code, 2064 UINT16 handle, UINT16 len, 2065 UINT16 offset, UINT8 *p_data) 2066 { 2067 tGATT_CL_MSG msg; 2068 2069 msg.attr_value.handle = handle; 2070 msg.attr_value.len = len; 2071 msg.attr_value.offset = offset; 2072 2073 memcpy (msg.attr_value.value, p_data, len); 2074 2075 /* write by handle */ 2076 return attp_send_cl_msg(p_tcb, clcb_idx, op_code, &msg); 2077 } 2078 2079 /******************************************************************************* 2080 ** 2081 ** Function gatt_act_send_browse 2082 ** 2083 ** Description This function ends a browse command request, including read 2084 ** information request and read by type request. 2085 ** 2086 ** Returns status code 2087 ** 2088 *******************************************************************************/ 2089 UINT8 gatt_act_send_browse(tGATT_TCB *p_tcb, UINT16 index, UINT8 op, UINT16 s_handle, 2090 UINT16 e_handle, tBT_UUID uuid) 2091 { 2092 tGATT_CL_MSG msg; 2093 2094 msg.browse.s_handle = s_handle; 2095 msg.browse.e_handle = e_handle; 2096 memcpy(&msg.browse.uuid, &uuid, sizeof(tBT_UUID)); 2097 2098 /* write by handle */ 2099 return attp_send_cl_msg(p_tcb, index, op, &msg); 2100 } 2101 2102 /******************************************************************************* 2103 ** 2104 ** Function gatt_end_operation 2105 ** 2106 ** Description This function ends a discovery, send callback and finalize 2107 ** some control value. 2108 ** 2109 ** Returns 16 bits uuid. 2110 ** 2111 *******************************************************************************/ 2112 void gatt_end_operation(tGATT_CLCB *p_clcb, tGATT_STATUS status, void *p_data) 2113 { 2114 tGATT_CL_COMPLETE cb_data; 2115 tGATT_CMPL_CBACK *p_cmpl_cb = (p_clcb->p_reg) ? p_clcb->p_reg->app_cb.p_cmpl_cb : NULL; 2116 UINT8 op = p_clcb->operation, disc_type=GATT_DISC_MAX; 2117 tGATT_DISC_CMPL_CB *p_disc_cmpl_cb = (p_clcb->p_reg) ? p_clcb->p_reg->app_cb.p_disc_cmpl_cb : NULL; 2118 UINT16 conn_id; 2119 UINT8 operation; 2120 2121 GATT_TRACE_DEBUG ("gatt_end_operation status=%d op=%d subtype=%d", 2122 status, p_clcb->operation, p_clcb->op_subtype); 2123 2124 if (p_cmpl_cb != NULL && p_clcb->operation != 0) 2125 { 2126 if (p_clcb->operation == GATTC_OPTYPE_READ) 2127 { 2128 memset(&cb_data.att_value, 0, sizeof(tGATT_VALUE)); 2129 cb_data.att_value.handle = p_clcb->s_handle; 2130 cb_data.att_value.len = p_clcb->counter; 2131 if (p_data) 2132 memcpy (cb_data.att_value.value, p_data, cb_data.att_value.len); 2133 } 2134 2135 if (p_clcb->operation == GATTC_OPTYPE_WRITE) 2136 { 2137 memset(&cb_data.att_value, 0, sizeof(tGATT_VALUE)); 2138 cb_data.handle = 2139 cb_data.att_value.handle = p_clcb->s_handle; 2140 if (p_clcb->op_subtype == GATT_WRITE_PREPARE) 2141 { 2142 if (p_data) 2143 { 2144 cb_data.att_value = *((tGATT_VALUE *) p_data); 2145 } 2146 else 2147 { 2148 GATT_TRACE_DEBUG("Rcv Prepare write rsp but no data"); 2149 } 2150 } 2151 } 2152 2153 if (p_clcb->operation == GATTC_OPTYPE_CONFIG) 2154 cb_data.mtu = p_clcb->p_tcb->payload_size; 2155 2156 if (p_clcb->operation == GATTC_OPTYPE_DISCOVERY) 2157 { 2158 disc_type = p_clcb->op_subtype; 2159 } 2160 } 2161 2162 if (p_clcb->p_attr_buf) 2163 { 2164 GKI_freebuf(p_clcb->p_attr_buf); 2165 } 2166 2167 operation = p_clcb->operation; 2168 conn_id = p_clcb->conn_id; 2169 btu_stop_timer(&p_clcb->rsp_timer_ent); 2170 2171 gatt_clcb_dealloc(p_clcb); 2172 2173 if (p_disc_cmpl_cb && (op == GATTC_OPTYPE_DISCOVERY)) 2174 (*p_disc_cmpl_cb)(conn_id, disc_type, status); 2175 else if (p_cmpl_cb && op) 2176 (*p_cmpl_cb)(conn_id, op, status, &cb_data); 2177 else 2178 GATT_TRACE_WARNING ("gatt_end_operation not sent out op=%d p_disc_cmpl_cb:%p p_cmpl_cb:%p", 2179 operation, p_disc_cmpl_cb, p_cmpl_cb); 2180 } 2181 2182 /******************************************************************************* 2183 ** 2184 ** Function gatt_cleanup_upon_disc 2185 ** 2186 ** Description This function cleans up the control blocks when L2CAP channel 2187 ** disconnect. 2188 ** 2189 ** Returns 16 bits uuid. 2190 ** 2191 *******************************************************************************/ 2192 void gatt_cleanup_upon_disc(BD_ADDR bda, UINT16 reason, tBT_TRANSPORT transport) 2193 { 2194 tGATT_TCB *p_tcb = NULL; 2195 tGATT_CLCB *p_clcb; 2196 UINT8 i; 2197 UINT16 conn_id; 2198 tGATT_REG *p_reg=NULL; 2199 2200 2201 GATT_TRACE_DEBUG ("gatt_cleanup_upon_disc "); 2202 2203 if ((p_tcb = gatt_find_tcb_by_addr(bda, transport)) != NULL) 2204 { 2205 GATT_TRACE_DEBUG ("found p_tcb "); 2206 gatt_set_ch_state(p_tcb, GATT_CH_CLOSE); 2207 for (i = 0; i < GATT_CL_MAX_LCB; i ++) 2208 { 2209 p_clcb = &gatt_cb.clcb[i]; 2210 if (p_clcb->in_use && p_clcb->p_tcb == p_tcb) 2211 { 2212 btu_stop_timer(&p_clcb->rsp_timer_ent); 2213 GATT_TRACE_DEBUG ("found p_clcb conn_id=%d clcb_idx=%d", p_clcb->conn_id, p_clcb->clcb_idx); 2214 if (p_clcb->operation != GATTC_OPTYPE_NONE) 2215 gatt_end_operation(p_clcb, GATT_ERROR, NULL); 2216 2217 gatt_clcb_dealloc(p_clcb); 2218 2219 } 2220 } 2221 2222 btu_stop_timer (&p_tcb->ind_ack_timer_ent); 2223 btu_stop_timer (&p_tcb->conf_timer_ent); 2224 gatt_free_pending_ind(p_tcb); 2225 gatt_free_pending_enc_queue(p_tcb); 2226 2227 for (i = 0; i < GATT_MAX_APPS; i ++) 2228 { 2229 p_reg = &gatt_cb.cl_rcb[i]; 2230 if (p_reg->in_use && p_reg->app_cb.p_conn_cb) 2231 { 2232 conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_reg->gatt_if); 2233 GATT_TRACE_DEBUG ("found p_reg tcb_idx=%d gatt_if=%d conn_id=0x%x", p_tcb->tcb_idx, p_reg->gatt_if, conn_id); 2234 (*p_reg->app_cb.p_conn_cb)(p_reg->gatt_if, bda, conn_id, FALSE, reason, transport); 2235 } 2236 } 2237 memset(p_tcb, 0, sizeof(tGATT_TCB)); 2238 2239 } 2240 GATT_TRACE_DEBUG ("exit gatt_cleanup_upon_disc "); 2241 } 2242 /******************************************************************************* 2243 ** 2244 ** Function gatt_dbg_req_op_name 2245 ** 2246 ** Description Get op code description name, for debug information. 2247 ** 2248 ** Returns UINT8 *: name of the operation. 2249 ** 2250 *******************************************************************************/ 2251 UINT8 * gatt_dbg_op_name(UINT8 op_code) 2252 { 2253 UINT8 pseduo_op_code_idx = op_code & (~GATT_WRITE_CMD_MASK); 2254 2255 if (op_code == GATT_CMD_WRITE ) 2256 { 2257 pseduo_op_code_idx = 0x14; /* just an index to op_code_name */ 2258 2259 } 2260 2261 if (op_code == GATT_SIGN_CMD_WRITE) 2262 { 2263 pseduo_op_code_idx = 0x15; /* just an index to op_code_name */ 2264 } 2265 2266 if (pseduo_op_code_idx <= GATT_OP_CODE_MAX) 2267 return(UINT8*) op_code_name[pseduo_op_code_idx]; 2268 else 2269 return(UINT8 *)"Op Code Exceed Max"; 2270 } 2271 2272 /******************************************************************************* 2273 ** 2274 ** Function gatt_dbg_display_uuid 2275 ** 2276 ** Description Disaplay the UUID 2277 ** 2278 ** Returns None 2279 ** 2280 *******************************************************************************/ 2281 void gatt_dbg_display_uuid(tBT_UUID bt_uuid) 2282 { 2283 char str_buf[50]; 2284 int x = 0; 2285 2286 if (bt_uuid.len == LEN_UUID_16) 2287 { 2288 sprintf(str_buf, "0x%04x", bt_uuid.uu.uuid16); 2289 } 2290 else if (bt_uuid.len == LEN_UUID_32) 2291 { 2292 sprintf(str_buf, "0x%08x", (unsigned int)bt_uuid.uu.uuid32); 2293 } 2294 else if (bt_uuid.len == LEN_UUID_128) 2295 { 2296 x += sprintf(&str_buf[x], "0x%02x%02x%02x%02x%02x%02x%02x%02x", 2297 bt_uuid.uu.uuid128[15], bt_uuid.uu.uuid128[14], 2298 bt_uuid.uu.uuid128[13], bt_uuid.uu.uuid128[12], 2299 bt_uuid.uu.uuid128[11], bt_uuid.uu.uuid128[10], 2300 bt_uuid.uu.uuid128[9], bt_uuid.uu.uuid128[8]); 2301 sprintf(&str_buf[x], "%02x%02x%02x%02x%02x%02x%02x%02x", 2302 bt_uuid.uu.uuid128[7], bt_uuid.uu.uuid128[6], 2303 bt_uuid.uu.uuid128[5], bt_uuid.uu.uuid128[4], 2304 bt_uuid.uu.uuid128[3], bt_uuid.uu.uuid128[2], 2305 bt_uuid.uu.uuid128[1], bt_uuid.uu.uuid128[0]); 2306 } 2307 else 2308 BCM_STRNCPY_S(str_buf, sizeof(str_buf), "Unknown UUID 0", 15); 2309 2310 GATT_TRACE_DEBUG ("UUID=[%s]", str_buf); 2311 2312 } 2313 2314 2315 /******************************************************************************* 2316 ** 2317 ** Function gatt_is_bg_dev_for_app 2318 ** 2319 ** Description find is this one of the background devices for the application 2320 ** 2321 ** Returns TRUE this is one of the background devices for the application 2322 ** 2323 *******************************************************************************/ 2324 BOOLEAN gatt_is_bg_dev_for_app(tGATT_BG_CONN_DEV *p_dev, tGATT_IF gatt_if) 2325 { 2326 UINT8 i; 2327 2328 for (i = 0; i < GATT_MAX_APPS; i ++ ) 2329 { 2330 if (p_dev->in_use && (p_dev->gatt_if[i] == gatt_if)) 2331 { 2332 return TRUE; 2333 } 2334 } 2335 return FALSE; 2336 } 2337 /******************************************************************************* 2338 ** 2339 ** Function gatt_find_bg_dev 2340 ** 2341 ** Description find background connection device from the list. 2342 ** 2343 ** Returns pointer to the device record 2344 ** 2345 *******************************************************************************/ 2346 tGATT_BG_CONN_DEV * gatt_find_bg_dev(BD_ADDR remote_bda) 2347 { 2348 tGATT_BG_CONN_DEV *p_dev_list = &gatt_cb.bgconn_dev[0]; 2349 UINT8 i; 2350 2351 for (i = 0; i < GATT_MAX_BG_CONN_DEV; i ++, p_dev_list ++) 2352 { 2353 if (p_dev_list->in_use && !memcmp(p_dev_list->remote_bda, remote_bda, BD_ADDR_LEN)) 2354 { 2355 return p_dev_list; 2356 } 2357 } 2358 return NULL; 2359 } 2360 /******************************************************************************* 2361 ** 2362 ** Function gatt_alloc_bg_dev 2363 ** 2364 ** Description allocate a background connection device record 2365 ** 2366 ** Returns pointer to the device record 2367 ** 2368 *******************************************************************************/ 2369 tGATT_BG_CONN_DEV * gatt_alloc_bg_dev(BD_ADDR remote_bda) 2370 { 2371 tGATT_BG_CONN_DEV *p_dev_list = &gatt_cb.bgconn_dev[0]; 2372 UINT8 i; 2373 2374 for (i = 0; i < GATT_MAX_BG_CONN_DEV; i ++, p_dev_list ++) 2375 { 2376 if (!p_dev_list->in_use) 2377 { 2378 p_dev_list->in_use = TRUE; 2379 memcpy(p_dev_list->remote_bda, remote_bda, BD_ADDR_LEN); 2380 2381 return p_dev_list; 2382 } 2383 } 2384 return NULL; 2385 } 2386 2387 /******************************************************************************* 2388 ** 2389 ** Function gatt_add_bg_dev_list 2390 ** 2391 ** Description add/remove device from the back ground connection device list 2392 ** 2393 ** Returns TRUE if device added to the list; FALSE failed 2394 ** 2395 *******************************************************************************/ 2396 BOOLEAN gatt_add_bg_dev_list(tGATT_REG *p_reg, BD_ADDR bd_addr, BOOLEAN is_initator) 2397 { 2398 tGATT_IF gatt_if = p_reg->gatt_if; 2399 tGATT_BG_CONN_DEV *p_dev = NULL; 2400 UINT8 i; 2401 BOOLEAN ret = FALSE; 2402 2403 if ((p_dev = gatt_find_bg_dev(bd_addr)) == NULL) 2404 { 2405 p_dev = gatt_alloc_bg_dev(bd_addr); 2406 } 2407 2408 if (p_dev) 2409 { 2410 for (i = 0; i < GATT_MAX_APPS; i ++) 2411 { 2412 if (is_initator) 2413 { 2414 if (p_dev->gatt_if[i] == gatt_if) 2415 { 2416 GATT_TRACE_ERROR("device already in iniator white list"); 2417 return TRUE; 2418 } 2419 else if (p_dev->gatt_if[i] == 0) 2420 { 2421 p_dev->gatt_if[i] = gatt_if; 2422 if (i == 0) 2423 ret = BTM_BleUpdateBgConnDev(TRUE, bd_addr); 2424 else 2425 ret = TRUE; 2426 break; 2427 } 2428 } 2429 else 2430 { 2431 if (p_dev->listen_gif[i] == gatt_if) 2432 { 2433 GATT_TRACE_ERROR("device already in adv white list"); 2434 return TRUE; 2435 } 2436 else if (p_dev->listen_gif[i] == 0) 2437 { 2438 if (p_reg->listening == GATT_LISTEN_TO_ALL) 2439 p_reg->listening = GATT_LISTEN_TO_NONE; 2440 2441 p_reg->listening ++; 2442 p_dev->listen_gif[i] = gatt_if; 2443 2444 if (i == 0) 2445 ret = BTM_BleUpdateAdvWhitelist(TRUE, bd_addr); 2446 else 2447 ret = TRUE; 2448 break; 2449 } 2450 } 2451 } 2452 } 2453 else 2454 { 2455 GATT_TRACE_ERROR("no device record available"); 2456 } 2457 2458 return ret; 2459 } 2460 2461 /******************************************************************************* 2462 ** 2463 ** Function gatt_remove_bg_dev_for_app 2464 ** 2465 ** Description Remove the application interface for the specified background device 2466 ** 2467 ** Returns Boolean 2468 ** 2469 *******************************************************************************/ 2470 BOOLEAN gatt_remove_bg_dev_for_app(tGATT_IF gatt_if, BD_ADDR bd_addr) 2471 { 2472 tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr, BT_TRANSPORT_LE); 2473 BOOLEAN status; 2474 2475 if (p_tcb) 2476 gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, FALSE); 2477 status = gatt_update_auto_connect_dev(gatt_if, FALSE, bd_addr, TRUE); 2478 return status; 2479 } 2480 2481 2482 /******************************************************************************* 2483 ** 2484 ** Function gatt_get_num_apps_for_bg_dev 2485 ** 2486 ** Description Gte the number of applciations for the specified background device 2487 ** 2488 ** Returns UINT8 total number fo applications 2489 ** 2490 *******************************************************************************/ 2491 UINT8 gatt_get_num_apps_for_bg_dev(BD_ADDR bd_addr) 2492 { 2493 tGATT_BG_CONN_DEV *p_dev = NULL; 2494 UINT8 i; 2495 UINT8 cnt = 0; 2496 2497 if ((p_dev = gatt_find_bg_dev(bd_addr)) != NULL) 2498 { 2499 for (i = 0; i < GATT_MAX_APPS; i ++) 2500 { 2501 if (p_dev->gatt_if[i]) 2502 cnt++; 2503 } 2504 } 2505 return cnt; 2506 } 2507 2508 /******************************************************************************* 2509 ** 2510 ** Function gatt_find_app_for_bg_dev 2511 ** 2512 ** Description find the application interface for the specified background device 2513 ** 2514 ** Returns Boolean 2515 ** 2516 *******************************************************************************/ 2517 BOOLEAN gatt_find_app_for_bg_dev(BD_ADDR bd_addr, tGATT_IF *p_gatt_if) 2518 { 2519 tGATT_BG_CONN_DEV *p_dev = NULL; 2520 UINT8 i; 2521 BOOLEAN ret = FALSE; 2522 2523 if ((p_dev = gatt_find_bg_dev(bd_addr)) == NULL) 2524 { 2525 return ret; 2526 } 2527 2528 for (i = 0; i < GATT_MAX_APPS; i ++) 2529 { 2530 if (p_dev->gatt_if[i] != 0 ) 2531 { 2532 *p_gatt_if = p_dev->gatt_if[i]; 2533 ret = TRUE; 2534 break; 2535 } 2536 } 2537 return ret; 2538 } 2539 2540 2541 /******************************************************************************* 2542 ** 2543 ** Function gatt_remove_bg_dev_from_list 2544 ** 2545 ** Description add/remove device from the back ground connection device list or 2546 ** listening to advertising list. 2547 ** 2548 ** Returns pointer to the device record 2549 ** 2550 *******************************************************************************/ 2551 BOOLEAN gatt_remove_bg_dev_from_list(tGATT_REG *p_reg, BD_ADDR bd_addr, BOOLEAN is_initiator) 2552 { 2553 tGATT_IF gatt_if = p_reg->gatt_if; 2554 tGATT_BG_CONN_DEV *p_dev = NULL; 2555 UINT8 i, j; 2556 BOOLEAN ret = FALSE; 2557 2558 if ((p_dev = gatt_find_bg_dev(bd_addr)) == NULL) 2559 { 2560 return ret; 2561 } 2562 2563 for (i = 0; i < GATT_MAX_APPS && (p_dev->gatt_if[i] > 0 || p_dev->listen_gif[i]); i ++) 2564 { 2565 if (is_initiator) 2566 { 2567 if (p_dev->gatt_if[i] == gatt_if) 2568 { 2569 p_dev->gatt_if[i] = 0; 2570 /* move all element behind one forward */ 2571 for (j = i + 1; j < GATT_MAX_APPS; j ++) 2572 p_dev->gatt_if[j - 1] = p_dev->gatt_if[j]; 2573 2574 if (p_dev->gatt_if[0] == 0) 2575 ret = BTM_BleUpdateBgConnDev(FALSE, p_dev->remote_bda); 2576 else 2577 ret = TRUE; 2578 2579 break; 2580 } 2581 } 2582 else 2583 { 2584 if (p_dev->listen_gif[i] == gatt_if) 2585 { 2586 p_dev->listen_gif[i] = 0; 2587 p_reg->listening --; 2588 /* move all element behind one forward */ 2589 for (j = i + 1; j < GATT_MAX_APPS; j ++) 2590 p_dev->listen_gif[j - 1] = p_dev->listen_gif[j]; 2591 2592 if (p_dev->listen_gif[0] == 0) 2593 ret = BTM_BleUpdateAdvWhitelist(FALSE, p_dev->remote_bda); 2594 else 2595 ret = TRUE; 2596 break; 2597 } 2598 } 2599 } 2600 2601 if (i != GATT_MAX_APPS && p_dev->gatt_if[0] == 0 && p_dev->listen_gif[0] == 0) 2602 { 2603 memset(p_dev, 0, sizeof(tGATT_BG_CONN_DEV)); 2604 } 2605 2606 return ret; 2607 } 2608 /******************************************************************************* 2609 ** 2610 ** Function gatt_deregister_bgdev_list 2611 ** 2612 ** Description deregister all related back ground connetion device. 2613 ** 2614 ** Returns pointer to the device record 2615 ** 2616 *******************************************************************************/ 2617 void gatt_deregister_bgdev_list(tGATT_IF gatt_if) 2618 { 2619 tGATT_BG_CONN_DEV *p_dev_list = &gatt_cb.bgconn_dev[0]; 2620 UINT8 i , j, k; 2621 tGATT_REG *p_reg = gatt_get_regcb(gatt_if); 2622 2623 /* update the BG conn device list */ 2624 for (i = 0 ; i <GATT_MAX_BG_CONN_DEV; i ++, p_dev_list ++ ) 2625 { 2626 if (p_dev_list->in_use) 2627 { 2628 for (j = 0; j < GATT_MAX_APPS; j ++) 2629 { 2630 if (p_dev_list->gatt_if[j] == 0 && p_dev_list->listen_gif[j] == 0) 2631 break; 2632 2633 if (p_dev_list->gatt_if[j] == gatt_if) 2634 { 2635 for (k = j + 1; k < GATT_MAX_APPS; k ++) 2636 p_dev_list->gatt_if[k - 1] = p_dev_list->gatt_if[k]; 2637 2638 if (p_dev_list->gatt_if[0] == 0) 2639 BTM_BleUpdateBgConnDev(FALSE, p_dev_list->remote_bda); 2640 } 2641 2642 if (p_dev_list->listen_gif[j] == gatt_if) 2643 { 2644 p_dev_list->listen_gif[j] = 0; 2645 2646 if (p_reg != NULL && p_reg->listening > 0) 2647 p_reg->listening --; 2648 2649 /* move all element behind one forward */ 2650 for (k = j + 1; k < GATT_MAX_APPS; k ++) 2651 p_dev_list->listen_gif[k - 1] = p_dev_list->listen_gif[k]; 2652 2653 if (p_dev_list->listen_gif[0] == 0) 2654 BTM_BleUpdateAdvWhitelist(FALSE, p_dev_list->remote_bda); 2655 } 2656 } 2657 } 2658 } 2659 } 2660 2661 2662 /******************************************************************************* 2663 ** 2664 ** Function gatt_reset_bgdev_list 2665 ** 2666 ** Description reset bg device list 2667 ** 2668 ** Returns pointer to the device record 2669 ** 2670 *******************************************************************************/ 2671 void gatt_reset_bgdev_list(void) 2672 { 2673 memset(&gatt_cb.bgconn_dev, 0 , sizeof(tGATT_BG_CONN_DEV)*GATT_MAX_BG_CONN_DEV); 2674 2675 } 2676 /******************************************************************************* 2677 ** 2678 ** Function gatt_update_auto_connect_dev 2679 ** 2680 ** Description This function add or remove a device for background connection 2681 ** procedure. 2682 ** 2683 ** Parameters gatt_if: Application ID. 2684 ** add: add peer device 2685 ** bd_addr: peer device address. 2686 ** 2687 ** Returns TRUE if connection started; FALSE if connection start failure. 2688 ** 2689 *******************************************************************************/ 2690 BOOLEAN gatt_update_auto_connect_dev (tGATT_IF gatt_if, BOOLEAN add, BD_ADDR bd_addr, BOOLEAN is_initator) 2691 { 2692 BOOLEAN ret = FALSE; 2693 tGATT_REG *p_reg; 2694 tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr, BT_TRANSPORT_LE); 2695 2696 GATT_TRACE_API ("gatt_update_auto_connect_dev "); 2697 /* Make sure app is registered */ 2698 if ((p_reg = gatt_get_regcb(gatt_if)) == NULL) 2699 { 2700 GATT_TRACE_ERROR("gatt_update_auto_connect_dev - gatt_if is not registered", gatt_if); 2701 return(FALSE); 2702 } 2703 2704 if (add) 2705 { 2706 ret = gatt_add_bg_dev_list(p_reg, bd_addr, is_initator); 2707 2708 if (ret && p_tcb != NULL) 2709 { 2710 /* if a connected device, update the link holding number */ 2711 gatt_update_app_use_link_flag(gatt_if, p_tcb, TRUE, TRUE); 2712 } 2713 } 2714 else 2715 { 2716 ret = gatt_remove_bg_dev_from_list(p_reg, bd_addr, is_initator); 2717 } 2718 return ret; 2719 } 2720 2721 2722 2723 /******************************************************************************* 2724 ** 2725 ** Function gatt_add_pending_new_srv_start 2726 ** 2727 ** Description Add a pending new srv start to the new service start queue 2728 ** 2729 ** Returns Pointer to the new service start buffer, NULL no buffer available 2730 ** 2731 *******************************************************************************/ 2732 tGATT_PENDING_ENC_CLCB* gatt_add_pending_enc_channel_clcb(tGATT_TCB *p_tcb, tGATT_CLCB *p_clcb ) 2733 { 2734 tGATT_PENDING_ENC_CLCB *p_buf; 2735 2736 GATT_TRACE_DEBUG ("gatt_add_pending_new_srv_start"); 2737 if ((p_buf = (tGATT_PENDING_ENC_CLCB *)GKI_getbuf((UINT16)sizeof(tGATT_PENDING_ENC_CLCB))) != NULL) 2738 { 2739 GATT_TRACE_DEBUG ("enqueue a new pending encryption channel clcb"); 2740 p_buf->p_clcb = p_clcb; 2741 GKI_enqueue (&p_tcb->pending_enc_clcb, p_buf); 2742 } 2743 return p_buf; 2744 } 2745 /******************************************************************************* 2746 ** 2747 ** Function gatt_update_listen_mode 2748 ** 2749 ** Description update peripheral role listening mode 2750 ** 2751 ** Returns Pointer to the new service start buffer, NULL no buffer available 2752 ** 2753 *******************************************************************************/ 2754 BOOLEAN gatt_update_listen_mode(void) 2755 { 2756 UINT8 ii = 0; 2757 tGATT_REG *p_reg = &gatt_cb.cl_rcb[0]; 2758 UINT8 listening = 0; 2759 UINT16 connectability, window, interval; 2760 BOOLEAN rt = TRUE; 2761 2762 for (; ii < GATT_MAX_APPS; ii ++, p_reg ++) 2763 { 2764 if ( p_reg->in_use && p_reg->listening > listening) 2765 { 2766 listening = p_reg->listening; 2767 } 2768 } 2769 2770 if (listening == GATT_LISTEN_TO_ALL || 2771 listening == GATT_LISTEN_TO_NONE) 2772 BTM_BleUpdateAdvFilterPolicy (AP_SCAN_CONN_ALL); 2773 else 2774 BTM_BleUpdateAdvFilterPolicy (AP_SCAN_CONN_WL); 2775 2776 if (rt) 2777 { 2778 connectability = BTM_ReadConnectability (&window, &interval); 2779 2780 if (listening != GATT_LISTEN_TO_NONE) 2781 { 2782 connectability |= BTM_BLE_CONNECTABLE; 2783 } 2784 else 2785 { 2786 if ((connectability & BTM_BLE_CONNECTABLE) == 0) 2787 connectability &= ~BTM_BLE_CONNECTABLE; 2788 } 2789 /* turning on the adv now */ 2790 btm_ble_set_connectability(connectability); 2791 } 2792 2793 return rt; 2794 2795 } 2796 #endif 2797 2798 2799
