1 /******************************************************************************
3 * Copyright (C) 2009-2012 Broadcom Corporation
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:
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 ******************************************************************************/
19 /******************************************************************************
21 * this file contains GATT utility functions
23 ******************************************************************************/
24 #include "bt_target.h"
25 #include "allocator.h"
27 #if BLE_INCLUDED == TRUE
37 /* check if [x, y] and [a, b] have overlapping range */
38 #define GATT_VALIDATE_HANDLE_RANGE(x, y, a, b) (y >= a && x <= b)
40 #define GATT_GET_NEXT_VALID_HANDLE(x) (((x)/10 + 1) * 10)
42 const char *const op_code_name[] = {
49 "ATT_REQ_FIND_TYPE_VALUE",
50 "ATT_RSP_FIND_TYPE_VALUE",
51 "ATT_REQ_READ_BY_TYPE",
52 "ATT_RSP_READ_BY_TYPE",
57 "GATT_REQ_READ_MULTI",
58 "GATT_RSP_READ_MULTI",
59 "GATT_REQ_READ_BY_GRP_TYPE",
60 "GATT_RSP_READ_BY_GRP_TYPE",
65 "ATT_REQ_PREPARE_WRITE",
66 "ATT_RSP_PREPARE_WRITE",
70 "ATT_HANDLE_VALUE_NOTIF",
72 "ATT_HANDLE_VALUE_IND",
73 "ATT_HANDLE_VALUE_CONF",
77 static const UINT8 base_uuid[LEN_UUID_128] = {0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
78 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
82 /*******************************************************************************
84 ** Function gatt_free_pending_ind
86 ** Description Free all pending indications
90 *******************************************************************************/
91 void gatt_free_pending_ind(tGATT_TCB *p_tcb)
93 GATT_TRACE_DEBUG("gatt_free_pending_ind");
94 if (p_tcb->pending_ind_q == NULL) {
98 /* release all queued indications */
99 while (!fixed_queue_is_empty(p_tcb->pending_ind_q)) {
100 osi_free(fixed_queue_try_dequeue(p_tcb->pending_ind_q));
102 fixed_queue_free(p_tcb->pending_ind_q, NULL);
103 p_tcb->pending_ind_q = NULL;
106 /*******************************************************************************
108 ** Function gatt_free_pending_enc_queue
110 ** Description Free all buffers in pending encyption queue
114 *******************************************************************************/
115 void gatt_free_pending_enc_queue(tGATT_TCB *p_tcb)
117 GATT_TRACE_DEBUG("gatt_free_pending_enc_queue");
118 if (p_tcb->pending_enc_clcb == NULL) {
122 /* release all queued indications */
123 while (!fixed_queue_is_empty(p_tcb->pending_enc_clcb)) {
124 osi_free(fixed_queue_try_dequeue(p_tcb->pending_enc_clcb));
126 fixed_queue_free(p_tcb->pending_enc_clcb, NULL);
127 p_tcb->pending_enc_clcb = NULL;
130 /*******************************************************************************
132 ** Function gatt_free_pending_prepare_write_queue
134 ** Description Free all buffers in pending prepare write packets queue
138 *******************************************************************************/
139 void gatt_free_pending_prepare_write_queue(tGATT_TCB *p_tcb)
141 GATT_TRACE_DEBUG("gatt_free_pending_prepare_write_queue");
143 if (p_tcb->prepare_write_record.queue) {
144 /* release all queued prepare write packets */
145 while (!fixed_queue_is_empty(p_tcb->prepare_write_record.queue)) {
146 osi_free(fixed_queue_dequeue(p_tcb->prepare_write_record.queue));
148 fixed_queue_free(p_tcb->prepare_write_record.queue, NULL);
149 p_tcb->prepare_write_record.queue = NULL;
152 p_tcb->prepare_write_record.total_num = 0;
153 p_tcb->prepare_write_record.error_code_app = GATT_SUCCESS;
156 /*******************************************************************************
158 ** Function gatt_delete_dev_from_srv_chg_clt_list
160 ** Description Delete a device from the service changed client lit
164 *******************************************************************************/
165 void gatt_delete_dev_from_srv_chg_clt_list(BD_ADDR bd_addr)
167 tGATTS_SRV_CHG *p_buf;
168 tGATTS_SRV_CHG_REQ req;
170 GATT_TRACE_DEBUG ("gatt_delete_dev_from_srv_chg_clt_list");
171 if ((p_buf = gatt_is_bda_in_the_srv_chg_clt_list(bd_addr)) != NULL) {
172 if (gatt_cb.cb_info.p_srv_chg_callback) {
174 memcpy(req.srv_chg.bda, bd_addr, BD_ADDR_LEN);
175 (*gatt_cb.cb_info.p_srv_chg_callback)(GATTS_SRV_CHG_CMD_REMOVE_CLIENT, &req, NULL);
177 osi_free(fixed_queue_try_remove_from_queue(gatt_cb.srv_chg_clt_q,
183 /*******************************************************************************
185 ** Function gatt_set_srv_chg
187 ** Description Set the service changed flag to TRUE
191 *******************************************************************************/
192 void gatt_set_srv_chg(void)
194 GATT_TRACE_DEBUG ("gatt_set_srv_chg");
196 if (fixed_queue_is_empty(gatt_cb.srv_chg_clt_q)) {
200 list_t *list = fixed_queue_get_list(gatt_cb.srv_chg_clt_q);
201 for (const list_node_t *node = list_begin(list); node != list_end(list);
202 node = list_next(node)) {
203 GATT_TRACE_DEBUG ("found a srv_chg clt");
205 tGATTS_SRV_CHG *p_buf = (tGATTS_SRV_CHG *)list_node(node);
206 if (!p_buf->srv_changed) {
207 GATT_TRACE_DEBUG("set srv_changed to TRUE");
208 p_buf->srv_changed = TRUE;
209 tGATTS_SRV_CHG_REQ req;
210 memcpy(&req.srv_chg, p_buf, sizeof(tGATTS_SRV_CHG));
211 if (gatt_cb.cb_info.p_srv_chg_callback) {
212 (*gatt_cb.cb_info.p_srv_chg_callback)(GATTS_SRV_CHG_CMD_UPDATE_CLIENT,&req, NULL);
218 /*******************************************************************************
220 ** Function gatt_sr_is_new_srv_chg
222 ** Description Find the app id in on the new service changed list
224 ** Returns Pointer to the found new service changed item othwerwise NULL
226 *******************************************************************************/
227 tGATTS_PENDING_NEW_SRV_START *gatt_sr_is_new_srv_chg(tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst)
229 tGATTS_PENDING_NEW_SRV_START *p_buf = NULL;
231 if (fixed_queue_is_empty(gatt_cb.pending_new_srv_start_q)) {
235 list_t *list = fixed_queue_get_list(gatt_cb.pending_new_srv_start_q);
236 for (const list_node_t *node = list_begin(list); node != list_end(list);
237 node = list_next(node)) {
238 p_buf = (tGATTS_PENDING_NEW_SRV_START *)list_node(node);
239 tGATTS_HNDL_RANGE *p = p_buf->p_new_srv_start;
240 if (gatt_uuid_compare(*p_app_uuid128, p->app_uuid128)
241 && gatt_uuid_compare (*p_svc_uuid, p->svc_uuid)
242 && (svc_inst == p->svc_inst)) {
243 GATT_TRACE_DEBUG("gatt_sr_is_new_srv_chg: Yes");
252 /*******************************************************************************
254 ** Function gatt_add_pending_ind
256 ** Description Add a pending indication
258 ** Returns Pointer to the current pending indication buffer, NULL no buffer available
260 *******************************************************************************/
261 tGATT_VALUE *gatt_add_pending_ind(tGATT_TCB *p_tcb, tGATT_VALUE *p_ind)
264 GATT_TRACE_DEBUG ("gatt_add_pending_ind");
265 if ((p_buf = (tGATT_VALUE *)osi_malloc((UINT16)sizeof(tGATT_VALUE))) != NULL) {
266 GATT_TRACE_DEBUG ("enqueue a pending indication");
267 memcpy(p_buf, p_ind, sizeof(tGATT_VALUE));
268 fixed_queue_enqueue(p_tcb->pending_ind_q, p_buf);
274 /*******************************************************************************
276 ** Function gatt_add_pending_new_srv_start
278 ** Description Add a pending new srv start to the new service start queue
280 ** Returns Pointer to the new service start buffer, NULL no buffer available
282 *******************************************************************************/
283 tGATTS_PENDING_NEW_SRV_START *gatt_add_pending_new_srv_start(tGATTS_HNDL_RANGE *p_new_srv_start)
285 tGATTS_PENDING_NEW_SRV_START *p_buf;
287 GATT_TRACE_DEBUG ("gatt_add_pending_new_srv_start");
288 if ((p_buf = (tGATTS_PENDING_NEW_SRV_START *)osi_malloc((UINT16)sizeof(tGATTS_PENDING_NEW_SRV_START))) != NULL) {
289 GATT_TRACE_DEBUG ("enqueue a new pending new srv start");
290 p_buf->p_new_srv_start = p_new_srv_start;
291 fixed_queue_enqueue(gatt_cb.pending_new_srv_start_q, p_buf);
297 /*******************************************************************************
299 ** Function gatt_add_srv_chg_clt
301 ** Description Add a service chnage client to the service change client queue
303 ** Returns Pointer to the service change client buffer; Null no buffer available
305 *******************************************************************************/
306 tGATTS_SRV_CHG *gatt_add_srv_chg_clt(tGATTS_SRV_CHG *p_srv_chg)
308 tGATTS_SRV_CHG *p_buf;
309 GATT_TRACE_DEBUG ("gatt_add_srv_chg_clt");
310 if ((p_buf = (tGATTS_SRV_CHG *)osi_malloc((UINT16)sizeof(tGATTS_SRV_CHG))) != NULL) {
311 GATT_TRACE_DEBUG ("enqueue a srv chg client");
312 memcpy(p_buf, p_srv_chg, sizeof(tGATTS_SRV_CHG));
313 fixed_queue_enqueue(gatt_cb.srv_chg_clt_q, p_buf);
320 /*******************************************************************************
322 ** Function gatt_alloc_hdl_buffer
324 ** Description Allocate a handle buufer
326 ** Returns Pointer to the allocated buffer, NULL no buffer available
328 *******************************************************************************/
329 #if (GATTS_INCLUDED == TRUE)
330 tGATT_HDL_LIST_ELEM *gatt_alloc_hdl_buffer(void)
333 tGATT_CB *p_cb = &gatt_cb;
334 tGATT_HDL_LIST_ELEM *p_elem = &p_cb->hdl_list[0];
336 for (i = 0; i < GATT_MAX_SR_PROFILES; i++, p_elem ++) {
337 if (!p_cb->hdl_list[i].in_use) {
338 memset(p_elem, 0, sizeof(tGATT_HDL_LIST_ELEM));
339 p_elem->in_use = TRUE;
340 p_elem->svc_db.svc_buffer = fixed_queue_new(SIZE_MAX);
348 /*******************************************************************************
350 ** Function gatt_find_hdl_buffer_by_handle
352 ** Description Find handle range buffer by service handle.
354 ** Returns Pointer to the buffer, NULL no buffer available
356 *******************************************************************************/
357 tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_handle(UINT16 handle)
359 tGATT_HDL_LIST_INFO *p_list_info = &gatt_cb.hdl_list_info;
360 tGATT_HDL_LIST_ELEM *p_list = NULL;
362 p_list = p_list_info->p_first;
364 while (p_list != NULL) {
365 if (p_list->in_use && p_list->asgn_range.s_handle == handle) {
368 p_list = p_list->p_next;
373 /*******************************************************************************
375 ** Function gatt_find_hdl_buffer_by_attr_handle
377 ** Description Find handle range buffer by attribute handle.
379 ** Returns Pointer to the buffer, NULL no buffer available
381 *******************************************************************************/
382 tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_attr_handle(UINT16 attr_handle)
384 tGATT_HDL_LIST_INFO *p_list_info = &gatt_cb.hdl_list_info;
385 tGATT_HDL_LIST_ELEM *p_list = NULL;
387 p_list = p_list_info->p_first;
389 while (p_list != NULL) {
390 if (p_list->in_use && (p_list->asgn_range.s_handle <= attr_handle)
391 && (p_list->asgn_range.e_handle >= attr_handle)) {
394 p_list = p_list->p_next;
400 /*******************************************************************************
402 ** Function gatt_find_hdl_buffer_by_app_id
404 ** Description Find handle range buffer by app ID, service and service instance ID.
406 ** Returns Pointer to the buffer, NULL no buffer available
408 *******************************************************************************/
409 tGATT_HDL_LIST_ELEM *gatt_find_hdl_buffer_by_app_id (tBT_UUID *p_app_uuid128,
410 tBT_UUID *p_svc_uuid,
413 tGATT_HDL_LIST_INFO *p_list_info = &gatt_cb.hdl_list_info;
414 tGATT_HDL_LIST_ELEM *p_list = NULL;
416 p_list = p_list_info->p_first;
418 while (p_list != NULL) {
419 if ( gatt_uuid_compare (*p_app_uuid128, p_list->asgn_range.app_uuid128)
420 && gatt_uuid_compare (*p_svc_uuid, p_list->asgn_range.svc_uuid)
421 && (svc_inst == p_list->asgn_range.svc_inst) ) {
422 GATT_TRACE_DEBUG ("Already allocated handles for this service before!!");
425 p_list = p_list->p_next;
429 #endif ///GATTS_INCLUDED == TRUE
431 /*******************************************************************************
433 ** Function gatt_free_attr_value_buffer
435 ** Description free characteristic attribute value buffer in a service
439 *******************************************************************************/
440 void gatt_free_attr_value_buffer(tGATT_HDL_LIST_ELEM *p)
443 tGATT_SVC_DB *p_db = &(p->svc_db);
444 tGATT_ATTR16 *p_attr = p_db->p_attr_list;
445 tGATT_ATTR_VALUE *p_value = NULL;
448 if (p_attr->mask & GATT_ATTR_VALUE_ALLOCATED){
449 p_value = p_attr->p_value;
450 if ((p_value != NULL) && (p_value->attr_val.attr_val != NULL)){
451 osi_free(p_value->attr_val.attr_val);
454 p_attr = p_attr->p_next;
458 /*******************************************************************************
460 ** Function gatt_free_hdl_buffer
462 ** Description free a handle buffer
466 *******************************************************************************/
467 void gatt_free_hdl_buffer(tGATT_HDL_LIST_ELEM *p)
471 while (!fixed_queue_is_empty(p->svc_db.svc_buffer)) {
472 osi_free(fixed_queue_try_dequeue(p->svc_db.svc_buffer));
474 fixed_queue_free(p->svc_db.svc_buffer, NULL);
475 memset(p, 0, sizeof(tGATT_HDL_LIST_ELEM));
478 /*******************************************************************************
480 ** Function gatt_free_srvc_db_buffer_app_id
482 ** Description free the service attribute database buffers by the owner of the
487 *******************************************************************************/
488 #if (GATTS_INCLUDED == TRUE)
489 void gatt_free_srvc_db_buffer_app_id(tBT_UUID *p_app_id)
491 tGATT_HDL_LIST_ELEM *p_elem = &gatt_cb.hdl_list[0];
494 for (i = 0; i < GATT_MAX_SR_PROFILES; i ++, p_elem ++) {
495 if (memcmp(p_app_id, &p_elem->asgn_range.app_uuid128, sizeof(tBT_UUID)) == 0) {
496 gatt_free_attr_value_buffer(p_elem);
497 while (!fixed_queue_is_empty(p_elem->svc_db.svc_buffer)) {
498 osi_free(fixed_queue_try_dequeue(p_elem->svc_db.svc_buffer));
500 fixed_queue_free(p_elem->svc_db.svc_buffer, NULL);
501 p_elem->svc_db.svc_buffer = NULL;
503 p_elem->svc_db.mem_free = 0;
504 p_elem->svc_db.p_attr_list = p_elem->svc_db.p_free_mem = NULL;
508 /*******************************************************************************
510 ** Function gatt_is_last_attribute
512 ** Description Check this is the last attribute of the specified value or not
514 ** Returns TRUE - yes this is the last attribute
516 *******************************************************************************/
517 BOOLEAN gatt_is_last_attribute(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_start, tBT_UUID value)
519 tGATT_SRV_LIST_ELEM *p_srv = p_start->p_next;
520 BOOLEAN is_last_attribute = TRUE;
521 tGATT_SR_REG *p_rcb = NULL;
522 tBT_UUID *p_svc_uuid;
524 p_list->p_last_primary = NULL;
527 p_rcb = GATT_GET_SR_REG_PTR(p_srv->i_sreg);
529 p_svc_uuid = gatts_get_service_uuid (p_rcb->p_db);
531 if (gatt_uuid_compare(value, *p_svc_uuid)) {
532 is_last_attribute = FALSE;
536 p_srv = p_srv->p_next;
539 return is_last_attribute;
542 /*******************************************************************************
544 ** Function gatt_update_last_pri_srv_info
546 ** Description Update the the last primary info for the service list info
550 *******************************************************************************/
551 void gatt_update_last_pri_srv_info(tGATT_SRV_LIST_INFO *p_list)
553 tGATT_SRV_LIST_ELEM *p_srv = p_list->p_first;
555 p_list->p_last_primary = NULL;
558 if (p_srv->is_primary) {
559 p_list->p_last_primary = p_srv;
561 p_srv = p_srv->p_next;
565 /*******************************************************************************
567 ** Function gatts_update_srv_list_elem
569 ** Description update an element in the service list.
573 *******************************************************************************/
574 void gatts_update_srv_list_elem(UINT8 i_sreg, UINT16 handle, BOOLEAN is_primary)
578 gatt_cb.srv_list[i_sreg].in_use = TRUE;
579 gatt_cb.srv_list[i_sreg].i_sreg = i_sreg;
580 gatt_cb.srv_list[i_sreg].s_hdl = gatt_cb.sr_reg[i_sreg].s_hdl;
581 gatt_cb.srv_list[i_sreg].is_primary = is_primary;
585 #endif ///GATTS_INCLUDED == TRUE
587 /*******************************************************************************
589 ** Function gatt_add_a_srv_to_list
591 ** Description add an service to the list in ascending
592 ** order of the start handle
594 ** Returns BOOLEAN TRUE-if add is successful
596 *******************************************************************************/
597 BOOLEAN gatt_add_a_srv_to_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_new)
599 tGATT_SRV_LIST_ELEM *p_old;
602 GATT_TRACE_DEBUG("p_new==NULL");
606 if (!p_list->p_first) {
607 /* this is an empty list */
609 p_list->p_last = p_new;
611 p_new->p_prev = NULL;
613 p_old = p_list->p_first;
616 p_list->p_last->p_next = p_new;
617 p_new->p_prev = p_list->p_last;
618 p_new->p_next = NULL;
619 p_list->p_last = p_new;
622 if (p_new->s_hdl < p_old->s_hdl) {
623 /* if not the first in list */
624 if (p_old->p_prev != NULL) {
625 p_old->p_prev->p_next = p_new;
627 p_list->p_first = p_new;
630 p_new->p_prev = p_old->p_prev;
631 p_new->p_next = p_old;
632 p_old->p_prev = p_new;
636 p_old = p_old->p_next;
641 gatt_update_last_pri_srv_info(p_list);
646 /*******************************************************************************
648 ** Function gatt_remove_a_srv_from_list
650 ** Description Remove a service from the list
652 ** Returns BOOLEAN TRUE-if remove is successful
654 *******************************************************************************/
655 BOOLEAN gatt_remove_a_srv_from_list(tGATT_SRV_LIST_INFO *p_list, tGATT_SRV_LIST_ELEM *p_remove)
657 if (!p_remove || !p_list->p_first) {
658 GATT_TRACE_DEBUG("p_remove==NULL || p_list->p_first==NULL");
662 if (p_remove->p_prev == NULL) {
663 p_list->p_first = p_remove->p_next;
664 if (p_remove->p_next) {
665 p_remove->p_next->p_prev = NULL;
667 } else if (p_remove->p_next == NULL) {
668 p_list->p_last = p_remove->p_prev;
669 p_remove->p_prev->p_next = NULL;
671 p_remove->p_next->p_prev = p_remove->p_prev;
672 p_remove->p_prev->p_next = p_remove->p_next;
675 gatt_update_last_pri_srv_info(p_list);
680 /*******************************************************************************
682 ** Function gatt_add_an_item_to_list
684 ** Description add an service handle range to the list in decending
685 ** order of the start handle
687 ** Returns BOOLEAN TRUE-if add is successful
689 *******************************************************************************/
690 BOOLEAN gatt_add_an_item_to_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_LIST_ELEM *p_new)
692 tGATT_HDL_LIST_ELEM *p_old;
694 GATT_TRACE_DEBUG("p_new==NULL");
698 if (!p_list->p_first) {
699 /* this is an empty list */
701 p_list->p_last = p_new;
703 p_new->p_prev = NULL;
705 p_old = p_list->p_first;
708 p_list->p_last->p_next = p_new;
709 p_new->p_prev = p_list->p_last;
710 p_new->p_next = NULL;
711 p_list->p_last = p_new;
716 if (p_new->asgn_range.s_handle > p_old->asgn_range.s_handle) {
717 if (p_old == p_list->p_first) {
718 p_list->p_first = p_new;
721 p_new->p_prev = p_old->p_prev;
722 p_new->p_next = p_old;
725 p_old->p_prev = p_new;
729 p_old = p_old->p_next;
737 /*******************************************************************************
739 ** Function gatt_remove_an_item_from_list
741 ** Description Remove an service handle range from the list
743 ** Returns BOOLEAN TRUE-if remove is successful
745 *******************************************************************************/
746 BOOLEAN gatt_remove_an_item_from_list(tGATT_HDL_LIST_INFO *p_list, tGATT_HDL_LIST_ELEM *p_remove)
748 if (!p_remove || !p_list->p_first) {
749 GATT_TRACE_DEBUG("p_remove==NULL || p_list->p_first==NULL");
753 if (p_remove->p_prev == NULL) {
754 p_list->p_first = p_remove->p_next;
755 if (p_remove->p_next) {
756 p_remove->p_next->p_prev = NULL;
758 } else if (p_remove->p_next == NULL) {
759 p_list->p_last = p_remove->p_prev;
760 p_remove->p_prev->p_next = NULL;
762 p_remove->p_next->p_prev = p_remove->p_prev;
763 p_remove->p_prev->p_next = p_remove->p_next;
770 /*******************************************************************************
772 ** Function gatt_find_the_connected_bda
774 ** Description This function find the connected bda
776 ** Returns TRUE if found
778 *******************************************************************************/
779 BOOLEAN gatt_find_the_connected_bda(UINT8 start_idx, BD_ADDR bda, UINT8 *p_found_idx,
780 tBT_TRANSPORT *p_transport)
783 BOOLEAN found = FALSE;
784 GATT_TRACE_DEBUG("gatt_find_the_connected_bda start_idx=%d", start_idx);
786 for (i = start_idx ; i < GATT_MAX_PHY_CHANNEL; i ++) {
787 if (gatt_cb.tcb[i].in_use && gatt_cb.tcb[i].ch_state == GATT_CH_OPEN) {
788 memcpy( bda, gatt_cb.tcb[i].peer_bda, BD_ADDR_LEN);
790 *p_transport = gatt_cb.tcb[i].transport;
792 GATT_TRACE_DEBUG("gatt_find_the_connected_bda bda :%02x-%02x-%02x-%02x-%02x-%02x",
793 bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
797 GATT_TRACE_DEBUG("gatt_find_the_connected_bda found=%d found_idx=%d", found, i);
803 /*******************************************************************************
805 ** Function gatt_is_srv_chg_ind_pending
807 ** Description Check whether a service chnaged is in the indication pending queue
808 ** or waiting for an Ack already
812 *******************************************************************************/
813 BOOLEAN gatt_is_srv_chg_ind_pending (tGATT_TCB *p_tcb)
815 BOOLEAN srv_chg_ind_pending = FALSE;
817 GATT_TRACE_DEBUG("gatt_is_srv_chg_ind_pending is_queue_empty=%d",
818 fixed_queue_is_empty(p_tcb->pending_ind_q));
820 if (p_tcb->indicate_handle == gatt_cb.handle_of_h_r) {
821 srv_chg_ind_pending = TRUE;
822 } else if (! fixed_queue_is_empty(p_tcb->pending_ind_q)) {
823 list_t *list = fixed_queue_get_list(p_tcb->pending_ind_q);
824 for (const list_node_t *node = list_begin(list);
825 node != list_end(list);
826 node = list_next(node)) {
827 tGATT_VALUE *p_buf = (tGATT_VALUE *)list_node(node);
828 if (p_buf->handle == gatt_cb.handle_of_h_r)
830 srv_chg_ind_pending = TRUE;
836 GATT_TRACE_DEBUG("srv_chg_ind_pending = %d", srv_chg_ind_pending);
837 return srv_chg_ind_pending;
841 /*******************************************************************************
843 ** Function gatt_is_bda_in_the_srv_chg_clt_list
845 ** Description This function check the specified bda is in the srv chg clinet list or not
847 ** Returns pointer to the found elemenet otherwise NULL
849 *******************************************************************************/
850 tGATTS_SRV_CHG *gatt_is_bda_in_the_srv_chg_clt_list (BD_ADDR bda)
852 tGATTS_SRV_CHG *p_buf = NULL;
854 GATT_TRACE_DEBUG("gatt_is_bda_in_the_srv_chg_clt_list :%02x-%02x-%02x-%02x-%02x-%02x",
855 bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
857 if (fixed_queue_is_empty(gatt_cb.srv_chg_clt_q)) {
861 list_t *list = fixed_queue_get_list(gatt_cb.srv_chg_clt_q);
862 for (const list_node_t *node = list_begin(list); node != list_end(list);
863 node = list_next(node)) {
864 p_buf = (tGATTS_SRV_CHG *)list_node(node);
865 if (!memcmp( bda, p_buf->bda, BD_ADDR_LEN)) {
866 GATT_TRACE_DEBUG("bda is in the srv chg clt list");
875 /*******************************************************************************
877 ** Function gatt_is_bda_connected
881 ** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb.
883 *******************************************************************************/
884 BOOLEAN gatt_is_bda_connected(BD_ADDR bda)
887 BOOLEAN connected = FALSE;
889 for ( i = 0; i < GATT_MAX_PHY_CHANNEL; i ++) {
890 if (gatt_cb.tcb[i].in_use &&
891 !memcmp(gatt_cb.tcb[i].peer_bda, bda, BD_ADDR_LEN)) {
899 /*******************************************************************************
901 ** Function gatt_find_i_tcb_by_addr
903 ** Description The function searches for an empty tcb entry, and return the index.
905 ** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb.
907 *******************************************************************************/
908 UINT8 gatt_find_i_tcb_by_addr(BD_ADDR bda, tBT_TRANSPORT transport)
912 for ( ; i < GATT_MAX_PHY_CHANNEL; i ++) {
913 if (!memcmp(gatt_cb.tcb[i].peer_bda, bda, BD_ADDR_LEN) &&
914 gatt_cb.tcb[i].transport == transport) {
918 return GATT_INDEX_INVALID;
922 /*******************************************************************************
924 ** Function gatt_get_tcb_by_idx
926 ** Description The function get TCB using the TCB index
928 ** Returns NULL if not found. Otherwise index to the tcb.
930 *******************************************************************************/
931 tGATT_TCB *gatt_get_tcb_by_idx(UINT8 tcb_idx)
933 tGATT_TCB *p_tcb = NULL;
935 if ( (tcb_idx < GATT_MAX_PHY_CHANNEL) && gatt_cb.tcb[tcb_idx].in_use) {
936 p_tcb = &gatt_cb.tcb[tcb_idx];
942 /*******************************************************************************
944 ** Function gatt_find_tcb_by_addr
946 ** Description The function searches for an empty tcb entry, and return pointer.
948 ** Returns NULL if not found. Otherwise index to the tcb.
950 *******************************************************************************/
951 tGATT_TCB *gatt_find_tcb_by_addr(BD_ADDR bda, tBT_TRANSPORT transport)
953 tGATT_TCB *p_tcb = NULL;
956 if ((i = gatt_find_i_tcb_by_addr(bda, transport)) != GATT_INDEX_INVALID) {
957 p_tcb = &gatt_cb.tcb[i];
962 /*******************************************************************************
964 ** Function gatt_find_i_tcb_free
966 ** Description The function searches for an empty tcb entry, and return the index.
968 ** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb.
970 *******************************************************************************/
971 UINT8 gatt_find_i_tcb_free(void)
973 UINT8 i = 0, j = GATT_INDEX_INVALID;
975 for (i = 0; i < GATT_MAX_PHY_CHANNEL; i ++) {
976 if (!gatt_cb.tcb[i].in_use) {
983 /*******************************************************************************
985 ** Function gatt_allocate_tcb_by_bdaddr
987 ** Description The function locate or allocate new tcb entry for matching bda.
989 ** Returns GATT_INDEX_INVALID if not found. Otherwise index to the tcb.
991 *******************************************************************************/
992 tGATT_TCB *gatt_allocate_tcb_by_bdaddr(BD_ADDR bda, tBT_TRANSPORT transport)
995 BOOLEAN allocated = FALSE;
996 tGATT_TCB *p_tcb = NULL;
998 /* search for existing tcb with matching bda */
999 i = gatt_find_i_tcb_by_addr(bda, transport);
1001 if (i == GATT_INDEX_INVALID) {
1002 i = gatt_find_i_tcb_free();
1005 if (i != GATT_INDEX_INVALID) {
1006 p_tcb = &gatt_cb.tcb[i];
1009 memset(p_tcb, 0, sizeof(tGATT_TCB));
1010 p_tcb->pending_enc_clcb = fixed_queue_new(SIZE_MAX);
1011 p_tcb->pending_ind_q = fixed_queue_new(SIZE_MAX);
1012 p_tcb->in_use = TRUE;
1014 p_tcb->transport = transport;
1016 memcpy(p_tcb->peer_bda, bda, BD_ADDR_LEN);
1021 /*******************************************************************************
1023 ** Function gatt_convert_uuid16_to_uuid128
1025 ** Description Convert a 16 bits UUID to be an standard 128 bits one.
1027 ** Returns TRUE if two uuid match; FALSE otherwise.
1029 *******************************************************************************/
1030 void gatt_convert_uuid16_to_uuid128(UINT8 uuid_128[LEN_UUID_128], UINT16 uuid_16)
1032 UINT8 *p = &uuid_128[LEN_UUID_128 - 4];
1034 memcpy (uuid_128, base_uuid, LEN_UUID_128);
1036 UINT16_TO_STREAM(p, uuid_16);
1039 /*******************************************************************************
1041 ** Function gatt_convert_uuid32_to_uuid128
1043 ** Description Convert a 32 bits UUID to be an standard 128 bits one.
1045 ** Returns TRUE if two uuid match; FALSE otherwise.
1047 *******************************************************************************/
1048 void gatt_convert_uuid32_to_uuid128(UINT8 uuid_128[LEN_UUID_128], UINT32 uuid_32)
1050 UINT8 *p = &uuid_128[LEN_UUID_128 - 4];
1052 memcpy (uuid_128, base_uuid, LEN_UUID_128);
1054 UINT32_TO_STREAM(p, uuid_32);
1056 /*******************************************************************************
1058 ** Function gatt_uuid_compare
1060 ** Description Compare two UUID to see if they are the same.
1062 ** Returns TRUE if two uuid match; FALSE otherwise.
1064 *******************************************************************************/
1065 BOOLEAN gatt_uuid_compare (tBT_UUID src, tBT_UUID tar)
1067 UINT8 su[LEN_UUID_128], tu[LEN_UUID_128];
1070 /* any of the UUID is unspecified */
1071 if (src.len == 0 || tar.len == 0) {
1075 /* If both are 16-bit, we can do a simple compare */
1076 if (src.len == LEN_UUID_16 && tar.len == LEN_UUID_16) {
1077 return src.uu.uuid16 == tar.uu.uuid16;
1080 /* If both are 32-bit, we can do a simple compare */
1081 if (src.len == LEN_UUID_32 && tar.len == LEN_UUID_32) {
1082 return src.uu.uuid32 == tar.uu.uuid32;
1085 /* One or both of the UUIDs is 128-bit */
1086 if (src.len == LEN_UUID_16) {
1087 /* convert a 16 bits UUID to 128 bits value */
1088 gatt_convert_uuid16_to_uuid128(su, src.uu.uuid16);
1090 } else if (src.len == LEN_UUID_32) {
1091 gatt_convert_uuid32_to_uuid128(su, src.uu.uuid32);
1094 ps = src.uu.uuid128;
1097 if (tar.len == LEN_UUID_16) {
1098 /* convert a 16 bits UUID to 128 bits value */
1099 gatt_convert_uuid16_to_uuid128(tu, tar.uu.uuid16);
1101 } else if (tar.len == LEN_UUID_32) {
1102 /* convert a 32 bits UUID to 128 bits value */
1103 gatt_convert_uuid32_to_uuid128(tu, tar.uu.uuid32);
1106 pt = tar.uu.uuid128;
1109 return (memcmp(ps, pt, LEN_UUID_128) == 0);
1112 /*******************************************************************************
1114 ** Function gatt_build_uuid_to_stream
1116 ** Description Add UUID into stream.
1118 ** Returns UUID length.
1120 *******************************************************************************/
1121 UINT8 gatt_build_uuid_to_stream(UINT8 **p_dst, tBT_UUID uuid)
1126 if (uuid.len == LEN_UUID_16) {
1127 UINT16_TO_STREAM (p, uuid.uu.uuid16);
1129 } else if (uuid.len == LEN_UUID_32) { /* always convert 32 bits into 128 bits as alwats */
1130 gatt_convert_uuid32_to_uuid128(p, uuid.uu.uuid32);
1133 } else if (uuid.len == LEN_UUID_128) {
1134 ARRAY_TO_STREAM (p, uuid.uu.uuid128, LEN_UUID_128);
1142 /*******************************************************************************
1144 ** Function gatt_parse_uuid_from_cmd
1146 ** Description Convert a 128 bits UUID into a 16 bits UUID.
1148 ** Returns TRUE if command sent, otherwise FALSE.
1150 *******************************************************************************/
1151 BOOLEAN gatt_parse_uuid_from_cmd(tBT_UUID *p_uuid_rec, UINT16 uuid_size, UINT8 **p_data)
1153 BOOLEAN is_base_uuid, ret = TRUE;
1155 UINT8 *p_uuid = *p_data;
1157 memset(p_uuid_rec, 0, sizeof(tBT_UUID));
1159 switch (uuid_size) {
1161 p_uuid_rec->len = uuid_size;
1162 STREAM_TO_UINT16 (p_uuid_rec->uu.uuid16, p_uuid);
1163 *p_data += LEN_UUID_16;
1167 /* See if we can compress his UUID down to 16 or 32bit UUIDs */
1168 is_base_uuid = TRUE;
1169 for (xx = 0; xx < LEN_UUID_128 - 4; xx++) {
1170 if (p_uuid[xx] != base_uuid[xx]) {
1171 is_base_uuid = FALSE;
1176 if ((p_uuid[LEN_UUID_128 - 1] == 0) && (p_uuid[LEN_UUID_128 - 2] == 0)) {
1177 p_uuid += (LEN_UUID_128 - 4);
1178 p_uuid_rec->len = LEN_UUID_16;
1179 STREAM_TO_UINT16(p_uuid_rec->uu.uuid16, p_uuid);
1181 p_uuid += (LEN_UUID_128 - LEN_UUID_32);
1182 p_uuid_rec->len = LEN_UUID_32;
1183 STREAM_TO_UINT32(p_uuid_rec->uu.uuid32, p_uuid);
1186 if (!is_base_uuid) {
1187 p_uuid_rec->len = LEN_UUID_128;
1188 memcpy(p_uuid_rec->uu.uuid128, p_uuid, LEN_UUID_128);
1190 *p_data += LEN_UUID_128;
1193 /* do not allow 32 bits UUID in ATT PDU now */
1195 GATT_TRACE_ERROR("DO NOT ALLOW 32 BITS UUID IN ATT PDU");
1198 if (uuid_size != 0) {
1201 GATT_TRACE_WARNING("gatt_parse_uuid_from_cmd invalid uuid size");
1208 /*******************************************************************************
1210 ** Function gatt_start_rsp_timer
1212 ** Description Start a wait_for_response timer.
1214 ** Returns TRUE if command sent, otherwise FALSE.
1216 *******************************************************************************/
1217 void gatt_start_rsp_timer(UINT16 clcb_idx)
1219 tGATT_CLCB *p_clcb = &gatt_cb.clcb[clcb_idx];
1220 UINT32 timeout = GATT_WAIT_FOR_RSP_TOUT;
1221 p_clcb->rsp_timer_ent.param = (TIMER_PARAM_TYPE)p_clcb;
1222 if (p_clcb->operation == GATTC_OPTYPE_DISCOVERY &&
1223 p_clcb->op_subtype == GATT_DISC_SRVC_ALL) {
1224 timeout = GATT_WAIT_FOR_DISC_RSP_TOUT;
1226 btu_start_timer (&p_clcb->rsp_timer_ent, BTU_TTYPE_ATT_WAIT_FOR_RSP,
1229 /*******************************************************************************
1231 ** Function gatt_start_conf_timer
1233 ** Description Start a wait_for_confirmation timer.
1235 ** Returns TRUE if command sent, otherwise FALSE.
1237 *******************************************************************************/
1238 void gatt_start_conf_timer(tGATT_TCB *p_tcb)
1240 p_tcb->conf_timer_ent.param = (TIMER_PARAM_TYPE)p_tcb;
1241 btu_start_timer (&p_tcb->conf_timer_ent, BTU_TTYPE_ATT_WAIT_FOR_RSP,
1242 GATT_WAIT_FOR_RSP_TOUT);
1244 /*******************************************************************************
1246 ** Function gatt_start_ind_ack_timer
1248 ** Description start the application ack timer
1252 *******************************************************************************/
1253 void gatt_start_ind_ack_timer(tGATT_TCB *p_tcb)
1255 p_tcb->ind_ack_timer_ent.param = (TIMER_PARAM_TYPE)p_tcb;
1256 /* start notification cache timer */
1257 btu_start_timer (&p_tcb->ind_ack_timer_ent, BTU_TTYPE_ATT_WAIT_FOR_IND_ACK,
1258 GATT_WAIT_FOR_IND_ACK_TOUT);
1261 /*******************************************************************************
1263 ** Function gatt_rsp_timeout
1265 ** Description Called when GATT wait for ATT command response timer expires
1269 *******************************************************************************/
1270 void gatt_rsp_timeout(TIMER_LIST_ENT *p_tle)
1272 tGATT_CLCB *p_clcb = (tGATT_CLCB *)p_tle->param;
1273 if (p_clcb == NULL || p_clcb->p_tcb == NULL) {
1274 GATT_TRACE_WARNING("gatt_rsp_timeout clcb is already deleted");
1277 if (p_clcb->operation == GATTC_OPTYPE_DISCOVERY &&
1278 p_clcb->op_subtype == GATT_DISC_SRVC_ALL &&
1279 p_clcb->retry_count < GATT_REQ_RETRY_LIMIT) {
1281 GATT_TRACE_WARNING("gatt_rsp_timeout retry discovery primary service");
1282 if (p_clcb != gatt_cmd_dequeue(p_clcb->p_tcb, &rsp_code)) {
1283 GATT_TRACE_ERROR("gatt_rsp_timeout command queue out of sync, disconnect");
1285 p_clcb->retry_count++;
1286 #if (GATTC_INCLUDED == TRUE)
1287 gatt_act_discovery(p_clcb);
1288 #endif ///GATTC_INCLUDED == TRUE
1293 GATT_TRACE_WARNING("gatt_rsp_timeout disconnecting...");
1294 gatt_disconnect (p_clcb->p_tcb);
1297 /*******************************************************************************
1299 ** Function gatt_ind_ack_timeout
1301 ** Description Called when GATT wait for ATT handle confirmation timeout
1305 *******************************************************************************/
1306 void gatt_ind_ack_timeout(TIMER_LIST_ENT *p_tle)
1308 tGATT_TCB *p_tcb = (tGATT_TCB *)p_tle->param;
1310 GATT_TRACE_WARNING("gatt_ind_ack_timeout send ack now");
1312 if (p_tcb != NULL) {
1313 p_tcb->ind_count = 0;
1316 attp_send_cl_msg(((tGATT_TCB *)p_tle->param), 0, GATT_HANDLE_VALUE_CONF, NULL);
1318 /*******************************************************************************
1320 ** Function gatt_sr_find_i_rcb_by_handle
1322 ** Description The function searches for a service that owns a specific handle.
1324 ** Returns GATT_MAX_SR_PROFILES if not found. Otherwise index of th eservice.
1326 *******************************************************************************/
1327 UINT8 gatt_sr_find_i_rcb_by_handle(UINT16 handle)
1331 for ( ; i_rcb < GATT_MAX_SR_PROFILES; i_rcb++) {
1332 if (gatt_cb.sr_reg[i_rcb].in_use &&
1333 gatt_cb.sr_reg[i_rcb].s_hdl <= handle &&
1334 gatt_cb.sr_reg[i_rcb].e_hdl >= handle ) {
1341 /*******************************************************************************
1343 ** Function gatt_sr_find_i_rcb_by_handle
1345 ** Description The function searches for a service that owns a specific handle.
1347 ** Returns 0 if not found. Otherwise index of th eservice.
1349 *******************************************************************************/
1350 #if (GATTS_INCLUDED == TRUE)
1351 UINT8 gatt_sr_find_i_rcb_by_app_id(tBT_UUID *p_app_uuid128, tBT_UUID *p_svc_uuid, UINT16 svc_inst)
1354 tGATT_SR_REG *p_sreg;
1355 tBT_UUID *p_this_uuid;
1357 for (i_rcb = 0, p_sreg = gatt_cb.sr_reg; i_rcb < GATT_MAX_SR_PROFILES; i_rcb++, p_sreg++) {
1358 if ( p_sreg->in_use ) {
1359 p_this_uuid = gatts_get_service_uuid (p_sreg->p_db);
1362 gatt_uuid_compare (*p_app_uuid128, p_sreg->app_uuid ) &&
1363 gatt_uuid_compare (*p_svc_uuid, *p_this_uuid) &&
1364 (svc_inst == p_sreg->service_instance)) {
1365 GATT_TRACE_ERROR ("Active Service Found ");
1366 gatt_dbg_display_uuid(*p_svc_uuid);
1374 #endif ///GATTS_INCLUDED == TRUE
1375 /*******************************************************************************
1377 ** Function gatt_sr_find_i_rcb_by_handle
1379 ** Description The function searches for a service that owns a specific handle.
1381 ** Returns 0 if not found. Otherwise index of th eservice.
1383 *******************************************************************************/
1384 UINT8 gatt_sr_alloc_rcb(tGATT_HDL_LIST_ELEM *p_list )
1387 tGATT_SR_REG *p_sreg = NULL;
1389 /*this is a new application servoce start */
1390 for (ii = 0, p_sreg = gatt_cb.sr_reg; ii < GATT_MAX_SR_PROFILES; ii++, p_sreg++) {
1391 if (!p_sreg->in_use) {
1392 memset (p_sreg, 0, sizeof(tGATT_SR_REG));
1394 p_sreg->in_use = TRUE;
1395 memcpy (&p_sreg->app_uuid, &p_list->asgn_range.app_uuid128, sizeof(tBT_UUID));
1397 p_sreg->service_instance = p_list->asgn_range.svc_inst;
1398 p_sreg->type = p_list->asgn_range.is_primary ? GATT_UUID_PRI_SERVICE : GATT_UUID_SEC_SERVICE;
1399 p_sreg->s_hdl = p_list->asgn_range.s_handle;
1400 p_sreg->e_hdl = p_list->asgn_range.e_handle;
1401 p_sreg->p_db = &p_list->svc_db;
1403 GATT_TRACE_DEBUG ("total buffer in db [%d]", fixed_queue_length(p_sreg->p_db->svc_buffer));
1410 /*******************************************************************************
1412 ** Function gatt_sr_get_sec_info
1414 ** Description Get the security flag and key size information for the peer
1419 *******************************************************************************/
1420 void gatt_sr_get_sec_info(BD_ADDR rem_bda, tBT_TRANSPORT transport, UINT8 *p_sec_flag, UINT8 *p_key_size)
1424 BTM_GetSecurityFlagsByTransport(rem_bda, &sec_flag, transport);
1426 sec_flag &= (GATT_SEC_FLAG_LKEY_UNAUTHED | GATT_SEC_FLAG_LKEY_AUTHED | GATT_SEC_FLAG_ENCRYPTED);
1427 #if (SMP_INCLUDED == TRUE)
1428 *p_key_size = btm_ble_read_sec_key_size(rem_bda);
1429 #endif ///SMP_INCLUDED == TRUE
1430 *p_sec_flag = sec_flag;
1432 /*******************************************************************************
1434 ** Function gatt_sr_send_req_callback
1441 *******************************************************************************/
1442 void gatt_sr_send_req_callback(UINT16 conn_id,
1444 tGATTS_REQ_TYPE type, tGATTS_DATA *p_data)
1446 tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
1447 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
1450 GATT_TRACE_ERROR ("p_reg not found discard request");
1454 if ( p_reg->in_use &&
1455 p_reg->app_cb.p_req_cb) {
1456 (*p_reg->app_cb.p_req_cb)(conn_id, trans_id, type, p_data);
1458 GATT_TRACE_WARNING("Call back not found for application conn_id=%d", conn_id);
1463 /*******************************************************************************
1465 ** Function gatt_send_error_rsp
1467 ** Description This function sends an error response.
1471 *******************************************************************************/
1472 tGATT_STATUS gatt_send_error_rsp (tGATT_TCB *p_tcb, UINT8 err_code, UINT8 op_code,
1473 UINT16 handle, BOOLEAN deq)
1476 tGATT_STATUS status;
1479 error.cmd_code = op_code;
1480 error.reason = err_code;
1481 error.handle = handle;
1483 if ((p_buf = attp_build_sr_msg(p_tcb, GATT_RSP_ERROR, (tGATT_SR_MSG *)&error)) != NULL) {
1484 status = attp_send_sr_msg (p_tcb, p_buf);
1486 status = GATT_INSUF_RESOURCE;
1488 #if (GATTS_INCLUDED == TRUE)
1490 gatt_dequeue_sr_cmd(p_tcb);
1492 #endif ///GATTS_INCLUDED == TRUE
1496 #if (SDP_INCLUDED == TRUE)
1497 /*******************************************************************************
1499 ** Function gatt_add_sdp_record
1501 ** Description This function add a SDP record for a GATT primary service
1503 ** Returns 0 if error else sdp handle for the record.
1505 *******************************************************************************/
1506 UINT32 gatt_add_sdp_record (tBT_UUID *p_uuid, UINT16 start_hdl, UINT16 end_hdl)
1508 tSDP_PROTOCOL_ELEM proto_elem_list[2];
1510 UINT16 list = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP;
1514 GATT_TRACE_DEBUG("gatt_add_sdp_record s_hdl=0x%x s_hdl=0x%x", start_hdl, end_hdl);
1516 if ((sdp_handle = SDP_CreateRecord()) == 0) {
1520 switch (p_uuid->len) {
1522 SDP_AddServiceClassIdList(sdp_handle, 1, &p_uuid->uu.uuid16);
1526 UINT8_TO_BE_STREAM (p, (UUID_DESC_TYPE << 3) | SIZE_FOUR_BYTES);
1527 UINT32_TO_BE_STREAM (p, p_uuid->uu.uuid32);
1528 SDP_AddAttribute (sdp_handle, ATTR_ID_SERVICE_CLASS_ID_LIST, DATA_ELE_SEQ_DESC_TYPE,
1529 (UINT32) (p - buff), buff);
1533 UINT8_TO_BE_STREAM (p, (UUID_DESC_TYPE << 3) | SIZE_SIXTEEN_BYTES);
1534 ARRAY_TO_BE_STREAM_REVERSE (p, p_uuid->uu.uuid128, LEN_UUID_128);
1535 SDP_AddAttribute (sdp_handle, ATTR_ID_SERVICE_CLASS_ID_LIST, DATA_ELE_SEQ_DESC_TYPE,
1536 (UINT32) (p - buff), buff);
1540 GATT_TRACE_ERROR("inavlid UUID len=%d", p_uuid->len);
1541 SDP_DeleteRecord(sdp_handle);
1546 /*** Fill out the protocol element sequence for SDP ***/
1547 proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
1548 proto_elem_list[0].num_params = 1;
1549 proto_elem_list[0].params[0] = BT_PSM_ATT;
1550 proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_ATT;
1551 proto_elem_list[1].num_params = 2;
1552 proto_elem_list[1].params[0] = start_hdl;
1553 proto_elem_list[1].params[1] = end_hdl;
1555 SDP_AddProtocolList(sdp_handle, 2, proto_elem_list);
1557 /* Make the service browseable */
1558 SDP_AddUuidSequence (sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, &list);
1560 return (sdp_handle);
1562 #endif ///SDP_INCLUDED == TRUE
1564 #if GATT_CONFORMANCE_TESTING == TRUE
1565 /*******************************************************************************
1567 ** Function gatt_set_err_rsp
1569 ** Description This function is called to set the test confirm value
1573 *******************************************************************************/
1574 void gatt_set_err_rsp(BOOLEAN enable, UINT8 req_op_code, UINT8 err_status)
1576 GATT_TRACE_DEBUG("gatt_set_err_rsp enable=%d op_code=%d, err_status=%d", enable, req_op_code, err_status);
1577 gatt_cb.enable_err_rsp = enable;
1578 gatt_cb.req_op_code = req_op_code;
1579 gatt_cb.err_status = err_status;
1585 /*******************************************************************************
1587 ** Function gatt_get_regcb
1589 ** Description The function returns the registration control block.
1591 ** Returns pointer to the registration control block or NULL
1593 *******************************************************************************/
1594 tGATT_REG *gatt_get_regcb (tGATT_IF gatt_if)
1596 UINT8 ii = (UINT8)gatt_if;
1597 tGATT_REG *p_reg = NULL;
1599 if (ii < 1 || ii > GATT_MAX_APPS) {
1600 GATT_TRACE_WARNING("gatt_if out of range [ = %d]", ii);
1604 // Index for cl_rcb is always 1 less than gatt_if.
1605 p_reg = &gatt_cb.cl_rcb[ii - 1];
1607 if (!p_reg->in_use) {
1608 GATT_TRACE_WARNING("gatt_if found but not in use.\n");
1616 /*******************************************************************************
1618 ** Function gatt_is_clcb_allocated
1620 ** Description The function check clcb for conn_id is allocated or not
1622 ** Returns True already allocated
1624 *******************************************************************************/
1626 BOOLEAN gatt_is_clcb_allocated (UINT16 conn_id)
1629 BOOLEAN is_allocated = FALSE;
1631 for (i = 0; i < GATT_CL_MAX_LCB; i++) {
1632 if (gatt_cb.clcb[i].in_use && (gatt_cb.clcb[i].conn_id == conn_id)) {
1633 is_allocated = TRUE;
1638 return is_allocated;
1641 /*******************************************************************************
1643 ** Function gatt_clcb_alloc
1645 ** Description The function allocates a GATT connection link control block
1647 ** Returns NULL if not found. Otherwise pointer to the connection link block.
1649 *******************************************************************************/
1650 tGATT_CLCB *gatt_clcb_alloc (UINT16 conn_id)
1653 tGATT_CLCB *p_clcb = NULL;
1654 tGATT_IF gatt_if = GATT_GET_GATT_IF(conn_id);
1655 UINT8 tcb_idx = GATT_GET_TCB_IDX(conn_id);
1656 tGATT_TCB *p_tcb = gatt_get_tcb_by_idx(tcb_idx);
1657 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
1659 for (i = 0; i < GATT_CL_MAX_LCB; i++) {
1660 if (!gatt_cb.clcb[i].in_use) {
1661 p_clcb = &gatt_cb.clcb[i];
1663 p_clcb->in_use = TRUE;
1664 p_clcb->conn_id = conn_id;
1665 p_clcb->clcb_idx = i;
1666 p_clcb->p_reg = p_reg;
1667 p_clcb->p_tcb = p_tcb;
1674 /*******************************************************************************
1676 ** Function gatt_clcb_dealloc
1678 ** Description The function de allocates a GATT connection link control block
1682 *******************************************************************************/
1683 void gatt_clcb_dealloc (tGATT_CLCB *p_clcb)
1685 if (p_clcb && p_clcb->in_use) {
1686 memset(p_clcb, 0, sizeof(tGATT_CLCB));
1692 /*******************************************************************************
1694 ** Function gatt_find_tcb_by_cid
1696 ** Description The function searches for an empty entry
1697 ** in registration info table for GATT client
1699 ** Returns NULL if not found. Otherwise pointer to the rcb.
1701 *******************************************************************************/
1702 tGATT_TCB *gatt_find_tcb_by_cid (UINT16 lcid)
1705 tGATT_TCB *p_tcb = NULL;
1707 for (xx = 0; xx < GATT_MAX_PHY_CHANNEL; xx++) {
1708 if (gatt_cb.tcb[xx].in_use && gatt_cb.tcb[xx].att_lcid == lcid) {
1709 p_tcb = &gatt_cb.tcb[xx];
1717 /*******************************************************************************
1719 ** Function gatt_num_apps_hold_link
1721 ** Description The function find the number of applcaitions is holding the link
1723 ** Returns total number of applications holding this acl link.
1725 *******************************************************************************/
1726 UINT8 gatt_num_apps_hold_link(tGATT_TCB *p_tcb)
1730 for (i = 0; i < GATT_MAX_APPS; i ++) {
1731 if (p_tcb->app_hold_link[i]) {
1736 GATT_TRACE_DEBUG("gatt_num_apps_hold_link num=%d", num);
1741 /*******************************************************************************
1743 ** Function gatt_num_clcb_by_bd_addr
1745 ** Description The function searches all LCB with macthing bd address
1747 ** Returns total number of clcb found.
1749 *******************************************************************************/
1750 UINT8 gatt_num_clcb_by_bd_addr(BD_ADDR bda)
1754 for (i = 0; i < GATT_CL_MAX_LCB; i ++) {
1755 if (gatt_cb.clcb[i].in_use && memcmp(gatt_cb.clcb[i].p_tcb->peer_bda, bda, BD_ADDR_LEN) == 0) {
1762 /*******************************************************************************
1764 ** Function gatt_sr_update_cback_cnt
1766 ** Description The function searches all LCB with macthing bd address
1768 ** Returns total number of clcb found.
1770 *******************************************************************************/
1771 void gatt_sr_copy_prep_cnt_to_cback_cnt(tGATT_TCB *p_tcb )
1773 #if (GATTS_INCLUDED == TRUE)
1777 for (i = 0; i < GATT_MAX_APPS; i ++) {
1778 if (p_tcb->prep_cnt[i]) {
1779 p_tcb->sr_cmd.cback_cnt[i] = 1;
1783 #endif ///GATTS_INCLUDED == TRUE
1786 /*******************************************************************************
1788 ** Function gatt_sr_is_cback_cnt_zero
1790 ** Description The function searches all LCB with macthing bd address
1792 ** Returns True if thetotal application callback count is zero
1794 *******************************************************************************/
1795 BOOLEAN gatt_sr_is_cback_cnt_zero(tGATT_TCB *p_tcb )
1797 BOOLEAN status = TRUE;
1798 #if (GATTS_INCLUDED == TRUE)
1802 for (i = 0; i < GATT_MAX_APPS; i ++) {
1803 if (p_tcb->sr_cmd.cback_cnt[i]) {
1811 #endif ///GATTS_INCLUDED == TRUE
1815 /*******************************************************************************
1817 ** Function gatt_sr_is_prep_cnt_zero
1819 ** Description Check the prepare write request count is zero or not
1821 ** Returns True no prepare write request
1823 *******************************************************************************/
1824 BOOLEAN gatt_sr_is_prep_cnt_zero(tGATT_TCB *p_tcb)
1826 BOOLEAN status = TRUE;
1830 for (i = 0; i < GATT_MAX_APPS; i ++) {
1831 if (p_tcb->prep_cnt[i]) {
1843 /*******************************************************************************
1845 ** Function gatt_sr_reset_cback_cnt
1847 ** Description Reset the application callback count to zero
1851 *******************************************************************************/
1852 void gatt_sr_reset_cback_cnt(tGATT_TCB *p_tcb )
1854 #if (GATTS_INCLUDED == TRUE)
1858 for (i = 0; i < GATT_MAX_APPS; i ++) {
1859 p_tcb->sr_cmd.cback_cnt[i] = 0;
1862 #endif ///GATTS_INCLUDED == TRUE
1865 /*******************************************************************************
1867 ** Function gatt_sr_reset_prep_cnt
1869 ** Description Reset the prep write count to zero
1873 *******************************************************************************/
1874 void gatt_sr_reset_prep_cnt(tGATT_TCB *p_tcb )
1878 for (i = 0; i < GATT_MAX_APPS; i ++) {
1879 p_tcb->prep_cnt[i] = 0;
1885 /*******************************************************************************
1887 ** Function gatt_sr_update_cback_cnt
1889 ** Description Update the teh applicaiton callback count
1893 *******************************************************************************/
1894 void gatt_sr_update_cback_cnt(tGATT_TCB *p_tcb, tGATT_IF gatt_if, BOOLEAN is_inc, BOOLEAN is_reset_first)
1896 #if (GATTS_INCLUDED == TRUE)
1897 UINT8 idx = ((UINT8) gatt_if) - 1 ;
1900 if (is_reset_first) {
1901 gatt_sr_reset_cback_cnt(p_tcb);
1904 p_tcb->sr_cmd.cback_cnt[idx]++;
1906 if ( p_tcb->sr_cmd.cback_cnt[idx]) {
1907 p_tcb->sr_cmd.cback_cnt[idx]--;
1911 #endif ///GATTS_INCLUDED == TRUE
1915 /*******************************************************************************
1917 ** Function gatt_sr_update_prep_cnt
1919 ** Description Update the teh prepare write request count
1923 *******************************************************************************/
1924 void gatt_sr_update_prep_cnt(tGATT_TCB *p_tcb, tGATT_IF gatt_if, BOOLEAN is_inc, BOOLEAN is_reset_first)
1926 UINT8 idx = ((UINT8) gatt_if) - 1 ;
1928 GATT_TRACE_DEBUG("gatt_sr_update_prep_cnt tcb idx=%d gatt_if=%d is_inc=%d is_reset_first=%d",
1929 p_tcb->tcb_idx, gatt_if, is_inc, is_reset_first);
1932 if (is_reset_first) {
1933 gatt_sr_reset_prep_cnt(p_tcb);
1936 p_tcb->prep_cnt[idx]++;
1938 if (p_tcb->prep_cnt[idx]) {
1939 p_tcb->prep_cnt[idx]--;
1944 /*******************************************************************************
1946 ** Function gatt_cancel_open
1948 ** Description Cancel open request
1952 *******************************************************************************/
1953 BOOLEAN gatt_cancel_open(tGATT_IF gatt_if, BD_ADDR bda)
1955 tGATT_TCB *p_tcb = NULL;
1956 BOOLEAN status = TRUE;
1958 p_tcb = gatt_find_tcb_by_addr(bda, BT_TRANSPORT_LE);
1961 if (gatt_get_ch_state(p_tcb) == GATT_CH_OPEN) {
1962 GATT_TRACE_ERROR("GATT_CancelConnect - link connected Too late to cancel");
1965 gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, FALSE);
1966 if (!gatt_num_apps_hold_link(p_tcb)) {
1967 gatt_disconnect(p_tcb);
1975 /*******************************************************************************
1977 ** Function gatt_find_app_hold_link
1979 ** Description find the applicaiton that is holding the specified link
1983 *******************************************************************************/
1984 BOOLEAN gatt_find_app_hold_link(tGATT_TCB *p_tcb, UINT8 start_idx, UINT8 *p_found_idx, tGATT_IF *p_gatt_if)
1987 BOOLEAN found = FALSE;
1989 for (i = start_idx; i < GATT_MAX_APPS; i ++) {
1990 if (p_tcb->app_hold_link[i]) {
1991 *p_gatt_if = gatt_cb.clcb[i].p_reg->gatt_if;
2000 /*******************************************************************************
2002 ** Function gatt_cmd_enq
2004 ** Description Enqueue this command.
2008 *******************************************************************************/
2009 BOOLEAN gatt_cmd_enq(tGATT_TCB *p_tcb, UINT16 clcb_idx, BOOLEAN to_send, UINT8 op_code, BT_HDR *p_buf)
2011 tGATT_CMD_Q *p_cmd = &p_tcb->cl_cmd_q[p_tcb->next_slot_inq];
2013 p_cmd->to_send = to_send; /* waiting to be sent */
2014 p_cmd->op_code = op_code;
2015 p_cmd->p_cmd = p_buf;
2016 p_cmd->clcb_idx = clcb_idx;
2019 p_tcb->pending_cl_req = p_tcb->next_slot_inq;
2022 p_tcb->next_slot_inq ++;
2023 p_tcb->next_slot_inq %= GATT_CL_MAX_LCB;
2028 /*******************************************************************************
2030 ** Function gatt_cmd_dequeue
2032 ** Description dequeue the command in the client CCB command queue.
2034 ** Returns total number of clcb found.
2036 *******************************************************************************/
2037 tGATT_CLCB *gatt_cmd_dequeue(tGATT_TCB *p_tcb, UINT8 *p_op_code)
2039 tGATT_CMD_Q *p_cmd = &p_tcb->cl_cmd_q[p_tcb->pending_cl_req];
2040 tGATT_CLCB *p_clcb = NULL;
2042 if (p_tcb->pending_cl_req != p_tcb->next_slot_inq) {
2043 p_clcb = &gatt_cb.clcb[p_cmd->clcb_idx];
2045 *p_op_code = p_cmd->op_code;
2047 p_tcb->pending_cl_req ++;
2048 p_tcb->pending_cl_req %= GATT_CL_MAX_LCB;
2054 /*******************************************************************************
2056 ** Function gatt_send_write_msg
2058 ** Description This real function send out the ATT message for write.
2060 ** Returns status code
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)
2069 msg.attr_value.handle = handle;
2070 msg.attr_value.len = len;
2071 msg.attr_value.offset = offset;
2073 memcpy (msg.attr_value.value, p_data, len);
2075 /* write by handle */
2076 return attp_send_cl_msg(p_tcb, clcb_idx, op_code, &msg);
2079 /*******************************************************************************
2081 ** Function gatt_act_send_browse
2083 ** Description This function ends a browse command request, including read
2084 ** information request and read by type request.
2086 ** Returns status code
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)
2094 msg.browse.s_handle = s_handle;
2095 msg.browse.e_handle = e_handle;
2096 memcpy(&msg.browse.uuid, &uuid, sizeof(tBT_UUID));
2098 /* write by handle */
2099 return attp_send_cl_msg(p_tcb, index, op, &msg);
2102 /*******************************************************************************
2104 ** Function gatt_end_operation
2106 ** Description This function ends a discovery, send callback and finalize
2107 ** some control value.
2109 ** Returns 16 bits uuid.
2111 *******************************************************************************/
2112 void gatt_end_operation(tGATT_CLCB *p_clcb, tGATT_STATUS status, void *p_data)
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;
2121 GATT_TRACE_DEBUG ("gatt_end_operation status=%d op=%d subtype=%d",
2122 status, p_clcb->operation, p_clcb->op_subtype);
2123 memset(&cb_data.att_value, 0, sizeof(tGATT_VALUE));
2125 if (p_cmpl_cb != NULL && p_clcb->operation != 0) {
2126 if (p_clcb->operation == GATTC_OPTYPE_READ) {
2127 cb_data.att_value.handle = p_clcb->s_handle;
2128 cb_data.att_value.len = p_clcb->counter;
2130 if (p_data && p_clcb->counter) {
2131 memcpy (cb_data.att_value.value, p_data, cb_data.att_value.len);
2135 if (p_clcb->operation == GATTC_OPTYPE_WRITE) {
2136 memset(&cb_data.att_value, 0, sizeof(tGATT_VALUE));
2138 cb_data.att_value.handle = p_clcb->s_handle;
2139 if (p_clcb->op_subtype == GATT_WRITE_PREPARE) {
2141 cb_data.att_value = *((tGATT_VALUE *) p_data);
2143 GATT_TRACE_DEBUG("Rcv Prepare write rsp but no data");
2148 if (p_clcb->operation == GATTC_OPTYPE_CONFIG) {
2149 cb_data.mtu = p_clcb->p_tcb->payload_size;
2152 if (p_clcb->operation == GATTC_OPTYPE_DISCOVERY) {
2153 disc_type = p_clcb->op_subtype;
2157 if (p_clcb->p_attr_buf) {
2158 osi_free(p_clcb->p_attr_buf);
2161 operation = p_clcb->operation;
2162 conn_id = p_clcb->conn_id;
2163 btu_stop_timer(&p_clcb->rsp_timer_ent);
2165 gatt_clcb_dealloc(p_clcb);
2167 if (p_disc_cmpl_cb && (op == GATTC_OPTYPE_DISCOVERY)) {
2168 (*p_disc_cmpl_cb)(conn_id, disc_type, status);
2169 } else if (p_cmpl_cb && op) {
2170 (*p_cmpl_cb)(conn_id, op, status, &cb_data);
2172 GATT_TRACE_WARNING ("gatt_end_operation not sent out op=%d p_disc_cmpl_cb:%p p_cmpl_cb:%p",
2173 operation, p_disc_cmpl_cb, p_cmpl_cb);
2176 /*******************************************************************************
2178 ** Function gatt_cleanup_upon_disc
2180 ** Description This function cleans up the control blocks when L2CAP channel
2183 ** Returns 16 bits uuid.
2185 *******************************************************************************/
2186 void gatt_cleanup_upon_disc(BD_ADDR bda, UINT16 reason, tBT_TRANSPORT transport)
2188 tGATT_TCB *p_tcb = NULL;
2192 tGATT_REG *p_reg = NULL;
2195 GATT_TRACE_DEBUG ("gatt_cleanup_upon_disc ");
2197 if ((p_tcb = gatt_find_tcb_by_addr(bda, transport)) != NULL) {
2198 GATT_TRACE_DEBUG ("found p_tcb ");
2199 gatt_set_ch_state(p_tcb, GATT_CH_CLOSE);
2200 for (i = 0; i < GATT_CL_MAX_LCB; i ++) {
2201 p_clcb = &gatt_cb.clcb[i];
2202 if (p_clcb->in_use && p_clcb->p_tcb == p_tcb) {
2203 btu_stop_timer(&p_clcb->rsp_timer_ent);
2204 GATT_TRACE_DEBUG ("found p_clcb conn_id=%d clcb_idx=%d", p_clcb->conn_id, p_clcb->clcb_idx);
2205 if (p_clcb->operation != GATTC_OPTYPE_NONE) {
2206 gatt_end_operation(p_clcb, GATT_ERROR, NULL);
2209 gatt_clcb_dealloc(p_clcb);
2214 btu_stop_timer (&p_tcb->ind_ack_timer_ent);
2215 btu_stop_timer (&p_tcb->conf_timer_ent);
2216 gatt_free_pending_ind(p_tcb);
2217 gatt_free_pending_enc_queue(p_tcb);
2218 gatt_free_pending_prepare_write_queue(p_tcb);
2219 #if (GATTS_INCLUDED)
2220 fixed_queue_free(p_tcb->sr_cmd.multi_rsp_q, osi_free_func);
2221 p_tcb->sr_cmd.multi_rsp_q = NULL;
2222 #endif /* #if (GATTS_INCLUDED) */
2223 for (i = 0; i < GATT_MAX_APPS; i ++) {
2224 p_reg = &gatt_cb.cl_rcb[i];
2225 if (p_reg->in_use && p_reg->app_cb.p_conn_cb) {
2226 conn_id = GATT_CREATE_CONN_ID(p_tcb->tcb_idx, p_reg->gatt_if);
2227 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);
2228 (*p_reg->app_cb.p_conn_cb)(p_reg->gatt_if, bda, conn_id, FALSE, reason, transport);
2231 memset(p_tcb, 0, sizeof(tGATT_TCB));
2234 GATT_TRACE_DEBUG ("exit gatt_cleanup_upon_disc ");
2235 BTM_Recovery_Pre_State();
2238 /*******************************************************************************
2240 ** Function gatt_dbg_req_op_name
2242 ** Description Get op code description name, for debug information.
2244 ** Returns UINT8 *: name of the operation.
2246 *******************************************************************************/
2247 UINT8 *gatt_dbg_op_name(UINT8 op_code)
2249 UINT8 pseduo_op_code_idx = op_code & (~GATT_WRITE_CMD_MASK);
2251 if (op_code == GATT_CMD_WRITE ) {
2252 pseduo_op_code_idx = 0x14; /* just an index to op_code_name */
2256 if (op_code == GATT_SIGN_CMD_WRITE) {
2257 pseduo_op_code_idx = 0x15; /* just an index to op_code_name */
2260 if (pseduo_op_code_idx <= GATT_OP_CODE_MAX) {
2261 return (UINT8 *) op_code_name[pseduo_op_code_idx];
2263 return (UINT8 *)"Op Code Exceed Max";
2267 /*******************************************************************************
2269 ** Function gatt_dbg_display_uuid
2271 ** Description Disaplay the UUID
2275 *******************************************************************************/
2276 void gatt_dbg_display_uuid(tBT_UUID bt_uuid)
2281 if (bt_uuid.len == LEN_UUID_16) {
2282 sprintf(str_buf, "0x%04x", bt_uuid.uu.uuid16);
2283 } else if (bt_uuid.len == LEN_UUID_32) {
2284 sprintf(str_buf, "0x%08x", (unsigned int)bt_uuid.uu.uuid32);
2285 } else if (bt_uuid.len == LEN_UUID_128) {
2286 x += sprintf(&str_buf[x], "0x%02x%02x%02x%02x%02x%02x%02x%02x",
2287 bt_uuid.uu.uuid128[15], bt_uuid.uu.uuid128[14],
2288 bt_uuid.uu.uuid128[13], bt_uuid.uu.uuid128[12],
2289 bt_uuid.uu.uuid128[11], bt_uuid.uu.uuid128[10],
2290 bt_uuid.uu.uuid128[9], bt_uuid.uu.uuid128[8]);
2291 sprintf(&str_buf[x], "%02x%02x%02x%02x%02x%02x%02x%02x",
2292 bt_uuid.uu.uuid128[7], bt_uuid.uu.uuid128[6],
2293 bt_uuid.uu.uuid128[5], bt_uuid.uu.uuid128[4],
2294 bt_uuid.uu.uuid128[3], bt_uuid.uu.uuid128[2],
2295 bt_uuid.uu.uuid128[1], bt_uuid.uu.uuid128[0]);
2297 BCM_STRNCPY_S(str_buf, sizeof(str_buf), "Unknown UUID 0", 15);
2300 GATT_TRACE_DEBUG ("UUID=[%s]", str_buf);
2305 /*******************************************************************************
2307 ** Function gatt_is_bg_dev_for_app
2309 ** Description find is this one of the background devices for the application
2311 ** Returns TRUE this is one of the background devices for the application
2313 *******************************************************************************/
2314 BOOLEAN gatt_is_bg_dev_for_app(tGATT_BG_CONN_DEV *p_dev, tGATT_IF gatt_if)
2318 for (i = 0; i < GATT_MAX_APPS; i ++ ) {
2319 if (p_dev->in_use && (p_dev->gatt_if[i] == gatt_if)) {
2325 /*******************************************************************************
2327 ** Function gatt_find_bg_dev
2329 ** Description find background connection device from the list.
2331 ** Returns pointer to the device record
2333 *******************************************************************************/
2334 tGATT_BG_CONN_DEV *gatt_find_bg_dev(BD_ADDR remote_bda)
2336 tGATT_BG_CONN_DEV *p_dev_list = &gatt_cb.bgconn_dev[0];
2339 for (i = 0; i < GATT_MAX_BG_CONN_DEV; i ++, p_dev_list ++) {
2340 if (p_dev_list->in_use && !memcmp(p_dev_list->remote_bda, remote_bda, BD_ADDR_LEN)) {
2346 /*******************************************************************************
2348 ** Function gatt_alloc_bg_dev
2350 ** Description allocate a background connection device record
2352 ** Returns pointer to the device record
2354 *******************************************************************************/
2355 tGATT_BG_CONN_DEV *gatt_alloc_bg_dev(BD_ADDR remote_bda)
2357 tGATT_BG_CONN_DEV *p_dev_list = &gatt_cb.bgconn_dev[0];
2360 for (i = 0; i < GATT_MAX_BG_CONN_DEV; i ++, p_dev_list ++) {
2361 if (!p_dev_list->in_use) {
2362 p_dev_list->in_use = TRUE;
2363 memcpy(p_dev_list->remote_bda, remote_bda, BD_ADDR_LEN);
2371 /*******************************************************************************
2373 ** Function gatt_add_bg_dev_list
2375 ** Description add/remove device from the back ground connection device list
2377 ** Returns TRUE if device added to the list; FALSE failed
2379 *******************************************************************************/
2380 BOOLEAN gatt_add_bg_dev_list(tGATT_REG *p_reg, BD_ADDR bd_addr, BOOLEAN is_initator)
2382 tGATT_IF gatt_if = p_reg->gatt_if;
2383 tGATT_BG_CONN_DEV *p_dev = NULL;
2385 BOOLEAN ret = FALSE;
2387 if ((p_dev = gatt_find_bg_dev(bd_addr)) == NULL) {
2388 p_dev = gatt_alloc_bg_dev(bd_addr);
2392 for (i = 0; i < GATT_MAX_APPS; i ++) {
2394 if (p_dev->gatt_if[i] == gatt_if) {
2395 GATT_TRACE_ERROR("device already in iniator white list");
2397 } else if (p_dev->gatt_if[i] == 0) {
2398 p_dev->gatt_if[i] = gatt_if;
2400 ret = BTM_BleUpdateBgConnDev(TRUE, bd_addr);
2407 if (p_dev->listen_gif[i] == gatt_if) {
2408 GATT_TRACE_ERROR("device already in adv white list");
2410 } else if (p_dev->listen_gif[i] == 0) {
2411 if (p_reg->listening == GATT_LISTEN_TO_ALL) {
2412 p_reg->listening = GATT_LISTEN_TO_NONE;
2415 p_reg->listening ++;
2416 p_dev->listen_gif[i] = gatt_if;
2419 ret = BTM_BleUpdateAdvWhitelist(TRUE, bd_addr, NULL);
2428 GATT_TRACE_ERROR("no device record available");
2434 /*******************************************************************************
2436 ** Function gatt_remove_bg_dev_for_app
2438 ** Description Remove the application interface for the specified background device
2442 *******************************************************************************/
2443 BOOLEAN gatt_remove_bg_dev_for_app(tGATT_IF gatt_if, BD_ADDR bd_addr)
2445 tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr, BT_TRANSPORT_LE);
2449 gatt_update_app_use_link_flag(gatt_if, p_tcb, FALSE, FALSE);
2451 status = gatt_update_auto_connect_dev(gatt_if, FALSE, bd_addr, TRUE);
2456 /*******************************************************************************
2458 ** Function gatt_get_num_apps_for_bg_dev
2460 ** Description Gte the number of applciations for the specified background device
2462 ** Returns UINT8 total number fo applications
2464 *******************************************************************************/
2465 UINT8 gatt_get_num_apps_for_bg_dev(BD_ADDR bd_addr)
2467 tGATT_BG_CONN_DEV *p_dev = NULL;
2471 if ((p_dev = gatt_find_bg_dev(bd_addr)) != NULL) {
2472 for (i = 0; i < GATT_MAX_APPS; i ++) {
2473 if (p_dev->gatt_if[i]) {
2481 /*******************************************************************************
2483 ** Function gatt_find_app_for_bg_dev
2485 ** Description find the application interface for the specified background device
2489 *******************************************************************************/
2490 BOOLEAN gatt_find_app_for_bg_dev(BD_ADDR bd_addr, tGATT_IF *p_gatt_if)
2492 tGATT_BG_CONN_DEV *p_dev = NULL;
2494 BOOLEAN ret = FALSE;
2496 if ((p_dev = gatt_find_bg_dev(bd_addr)) == NULL) {
2500 for (i = 0; i < GATT_MAX_APPS; i ++) {
2501 if (p_dev->gatt_if[i] != 0 ) {
2502 *p_gatt_if = p_dev->gatt_if[i];
2511 /*******************************************************************************
2513 ** Function gatt_remove_bg_dev_from_list
2515 ** Description add/remove device from the back ground connection device list or
2516 ** listening to advertising list.
2518 ** Returns pointer to the device record
2520 *******************************************************************************/
2521 BOOLEAN gatt_remove_bg_dev_from_list(tGATT_REG *p_reg, BD_ADDR bd_addr, BOOLEAN is_initiator)
2523 tGATT_IF gatt_if = p_reg->gatt_if;
2524 tGATT_BG_CONN_DEV *p_dev = NULL;
2526 BOOLEAN ret = FALSE;
2528 if ((p_dev = gatt_find_bg_dev(bd_addr)) == NULL) {
2532 for (i = 0; i < GATT_MAX_APPS && (p_dev->gatt_if[i] > 0 || p_dev->listen_gif[i]); i ++) {
2534 if (p_dev->gatt_if[i] == gatt_if) {
2535 p_dev->gatt_if[i] = 0;
2536 /* move all element behind one forward */
2537 for (j = i + 1; j < GATT_MAX_APPS; j ++) {
2538 p_dev->gatt_if[j - 1] = p_dev->gatt_if[j];
2541 if (p_dev->gatt_if[0] == 0) {
2542 ret = BTM_BleUpdateBgConnDev(FALSE, p_dev->remote_bda);
2550 if (p_dev->listen_gif[i] == gatt_if) {
2551 p_dev->listen_gif[i] = 0;
2552 p_reg->listening --;
2553 /* move all element behind one forward */
2554 for (j = i + 1; j < GATT_MAX_APPS; j ++) {
2555 p_dev->listen_gif[j - 1] = p_dev->listen_gif[j];
2558 if (p_dev->listen_gif[0] == 0) {
2559 ret = BTM_BleUpdateAdvWhitelist(FALSE, p_dev->remote_bda, NULL);
2568 if (i != GATT_MAX_APPS && p_dev->gatt_if[0] == 0 && p_dev->listen_gif[0] == 0) {
2569 memset(p_dev, 0, sizeof(tGATT_BG_CONN_DEV));
2574 /*******************************************************************************
2576 ** Function gatt_deregister_bgdev_list
2578 ** Description deregister all related back ground connetion device.
2580 ** Returns pointer to the device record
2582 *******************************************************************************/
2583 void gatt_deregister_bgdev_list(tGATT_IF gatt_if)
2585 tGATT_BG_CONN_DEV *p_dev_list = &gatt_cb.bgconn_dev[0];
2587 tGATT_REG *p_reg = gatt_get_regcb(gatt_if);
2589 /* update the BG conn device list */
2590 for (i = 0 ; i < GATT_MAX_BG_CONN_DEV; i ++, p_dev_list ++ ) {
2591 if (p_dev_list->in_use) {
2592 for (j = 0; j < GATT_MAX_APPS; j ++) {
2593 if (p_dev_list->gatt_if[j] == 0 && p_dev_list->listen_gif[j] == 0) {
2597 if (p_dev_list->gatt_if[j] == gatt_if) {
2598 for (k = j + 1; k < GATT_MAX_APPS; k ++) {
2599 p_dev_list->gatt_if[k - 1] = p_dev_list->gatt_if[k];
2602 if (p_dev_list->gatt_if[0] == 0) {
2603 BTM_BleUpdateBgConnDev(FALSE, p_dev_list->remote_bda);
2607 if (p_dev_list->listen_gif[j] == gatt_if) {
2608 p_dev_list->listen_gif[j] = 0;
2610 if (p_reg != NULL && p_reg->listening > 0) {
2611 p_reg->listening --;
2614 /* move all element behind one forward */
2615 for (k = j + 1; k < GATT_MAX_APPS; k ++) {
2616 p_dev_list->listen_gif[k - 1] = p_dev_list->listen_gif[k];
2619 if (p_dev_list->listen_gif[0] == 0) {
2620 BTM_BleUpdateAdvWhitelist(FALSE, p_dev_list->remote_bda, NULL);
2629 /*******************************************************************************
2631 ** Function gatt_reset_bgdev_list
2633 ** Description reset bg device list
2635 ** Returns pointer to the device record
2637 *******************************************************************************/
2638 void gatt_reset_bgdev_list(void)
2640 memset(&gatt_cb.bgconn_dev, 0 , sizeof(tGATT_BG_CONN_DEV)*GATT_MAX_BG_CONN_DEV);
2643 /*******************************************************************************
2645 ** Function gatt_update_auto_connect_dev
2647 ** Description This function add or remove a device for background connection
2650 ** Parameters gatt_if: Application ID.
2651 ** add: add peer device
2652 ** bd_addr: peer device address.
2654 ** Returns TRUE if connection started; FALSE if connection start failure.
2656 *******************************************************************************/
2657 BOOLEAN gatt_update_auto_connect_dev (tGATT_IF gatt_if, BOOLEAN add, BD_ADDR bd_addr, BOOLEAN is_initator)
2659 BOOLEAN ret = FALSE;
2661 tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr, BT_TRANSPORT_LE);
2663 GATT_TRACE_API ("gatt_update_auto_connect_dev ");
2664 /* Make sure app is registered */
2665 if ((p_reg = gatt_get_regcb(gatt_if)) == NULL) {
2666 GATT_TRACE_ERROR("gatt_update_auto_connect_dev - gatt_if %d is not registered", gatt_if);
2671 ret = gatt_add_bg_dev_list(p_reg, bd_addr, is_initator);
2673 if (ret && p_tcb != NULL) {
2674 /* if a connected device, update the link holding number */
2675 gatt_update_app_use_link_flag(gatt_if, p_tcb, TRUE, TRUE);
2678 ret = gatt_remove_bg_dev_from_list(p_reg, bd_addr, is_initator);
2685 /*******************************************************************************
2687 ** Function gatt_add_pending_new_srv_start
2689 ** Description Add a pending new srv start to the new service start queue
2691 ** Returns Pointer to the new service start buffer, NULL no buffer available
2693 *******************************************************************************/
2694 tGATT_PENDING_ENC_CLCB *gatt_add_pending_enc_channel_clcb(tGATT_TCB *p_tcb, tGATT_CLCB *p_clcb )
2696 tGATT_PENDING_ENC_CLCB *p_buf;
2698 GATT_TRACE_DEBUG ("gatt_add_pending_new_srv_start");
2699 if ((p_buf = (tGATT_PENDING_ENC_CLCB *)osi_malloc((UINT16)sizeof(tGATT_PENDING_ENC_CLCB))) != NULL) {
2700 GATT_TRACE_DEBUG ("enqueue a new pending encryption channel clcb");
2701 p_buf->p_clcb = p_clcb;
2702 fixed_queue_enqueue(p_tcb->pending_enc_clcb, p_buf);
2706 /*******************************************************************************
2708 ** Function gatt_update_listen_mode
2710 ** Description update peripheral role listening mode
2712 ** Returns Pointer to the new service start buffer, NULL no buffer available
2714 *******************************************************************************/
2715 BOOLEAN gatt_update_listen_mode(void)
2718 tGATT_REG *p_reg = &gatt_cb.cl_rcb[0];
2719 UINT8 listening = 0;
2720 UINT16 connectability, window, interval;
2723 for (; ii < GATT_MAX_APPS; ii ++, p_reg ++) {
2724 if ( p_reg->in_use && p_reg->listening > listening) {
2725 listening = p_reg->listening;
2729 if (listening == GATT_LISTEN_TO_ALL ||
2730 listening == GATT_LISTEN_TO_NONE) {
2731 BTM_BleUpdateAdvFilterPolicy (AP_SCAN_CONN_ALL);
2733 BTM_BleUpdateAdvFilterPolicy (AP_SCAN_CONN_WL);
2737 connectability = BTM_ReadConnectability (&window, &interval);
2739 if (listening != GATT_LISTEN_TO_NONE) {
2740 connectability |= BTM_BLE_CONNECTABLE;
2742 if ((connectability & BTM_BLE_CONNECTABLE) == 0) {
2743 connectability &= ~BTM_BLE_CONNECTABLE;
2746 /* turning on the adv now */
2747 btm_ble_set_connectability(connectability);