1 /******************************************************************************
3 * Copyright 2001-2012 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 the main BNEP functions
23 ******************************************************************************/
28 #include "bt_target.h"
30 #include "bt_common.h"
46 #include "device/include/controller.h"
47 #include "osi/include/osi.h"
49 /******************************************************************************/
50 /* G L O B A L B N E P D A T A */
51 /******************************************************************************/
54 const uint16_t bnep_frame_hdr_sizes[] = {14, 1, 2, 8, 8};
56 /******************************************************************************/
57 /* L O C A L F U N C T I O N P R O T O T Y P E S */
58 /******************************************************************************/
59 static void bnep_connect_ind(const RawAddress& bd_addr, uint16_t l2cap_cid,
60 uint16_t psm, uint8_t l2cap_id);
61 static void bnep_connect_cfm(uint16_t l2cap_cid, uint16_t result);
62 static void bnep_config_ind(uint16_t l2cap_cid, tL2CAP_CFG_INFO* p_cfg);
63 static void bnep_config_cfm(uint16_t l2cap_cid, tL2CAP_CFG_INFO* p_cfg);
64 static void bnep_disconnect_ind(uint16_t l2cap_cid, bool ack_needed);
65 static void bnep_disconnect_cfm(uint16_t l2cap_cid, uint16_t result);
66 static void bnep_data_ind(uint16_t l2cap_cid, BT_HDR* p_msg);
67 static void bnep_congestion_ind(uint16_t lcid, bool is_congested);
69 /*******************************************************************************
71 * Function bnep_register_with_l2cap
73 * Description This function registers BNEP PSM with L2CAP
77 ******************************************************************************/
78 tBNEP_RESULT bnep_register_with_l2cap(void) {
79 /* Initialize the L2CAP configuration. We only care about MTU and flush */
80 memset(&bnep_cb.l2cap_my_cfg, 0, sizeof(tL2CAP_CFG_INFO));
82 bnep_cb.l2cap_my_cfg.mtu_present = true;
83 bnep_cb.l2cap_my_cfg.mtu = BNEP_MTU_SIZE;
84 bnep_cb.l2cap_my_cfg.flush_to_present = true;
85 bnep_cb.l2cap_my_cfg.flush_to = BNEP_FLUSH_TO;
87 bnep_cb.reg_info.pL2CA_ConnectInd_Cb = bnep_connect_ind;
88 bnep_cb.reg_info.pL2CA_ConnectCfm_Cb = bnep_connect_cfm;
89 bnep_cb.reg_info.pL2CA_ConfigInd_Cb = bnep_config_ind;
90 bnep_cb.reg_info.pL2CA_ConfigCfm_Cb = bnep_config_cfm;
91 bnep_cb.reg_info.pL2CA_DisconnectInd_Cb = bnep_disconnect_ind;
92 bnep_cb.reg_info.pL2CA_DisconnectCfm_Cb = bnep_disconnect_cfm;
93 bnep_cb.reg_info.pL2CA_DataInd_Cb = bnep_data_ind;
94 bnep_cb.reg_info.pL2CA_CongestionStatus_Cb = bnep_congestion_ind;
96 /* Now, register with L2CAP */
97 if (!L2CA_Register(BT_PSM_BNEP, &bnep_cb.reg_info)) {
98 BNEP_TRACE_ERROR("BNEP - Registration failed");
99 return BNEP_SECURITY_FAIL;
105 /*******************************************************************************
107 * Function bnep_connect_ind
109 * Description This function handles an inbound connection indication
110 * from L2CAP. This is the case where we are acting as a
115 ******************************************************************************/
116 static void bnep_connect_ind(const RawAddress& bd_addr, uint16_t l2cap_cid,
117 UNUSED_ATTR uint16_t psm, uint8_t l2cap_id) {
118 tBNEP_CONN* p_bcb = bnepu_find_bcb_by_bd_addr(bd_addr);
120 /* If we are not acting as server, or already have a connection, or have */
121 /* no more resources to handle the connection, reject the connection. */
122 if (!(bnep_cb.profile_registered) || (p_bcb) ||
123 ((p_bcb = bnepu_allocate_bcb(bd_addr)) == NULL)) {
124 L2CA_ConnectRsp(bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_NO_PSM, 0);
128 /* Transition to the next appropriate state, waiting for config setup. */
129 p_bcb->con_state = BNEP_STATE_CFG_SETUP;
131 /* Save the L2CAP Channel ID. */
132 p_bcb->l2cap_cid = l2cap_cid;
134 /* Send response to the L2CAP layer. */
135 L2CA_ConnectRsp(bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_OK, L2CAP_CONN_OK);
137 /* Send a Configuration Request. */
138 L2CA_ConfigReq(l2cap_cid, &bnep_cb.l2cap_my_cfg);
140 /* Start timer waiting for config setup */
141 alarm_set_on_mloop(p_bcb->conn_timer, BNEP_CONN_TIMEOUT_MS,
142 bnep_conn_timer_timeout, p_bcb);
144 BNEP_TRACE_EVENT("BNEP - Rcvd L2CAP conn ind, CID: 0x%x", p_bcb->l2cap_cid);
147 /*******************************************************************************
149 * Function bnep_connect_cfm
151 * Description This function handles the connect confirm events
152 * from L2CAP. This is the case when we are acting as a
153 * client and have sent a connect request.
157 ******************************************************************************/
158 static void bnep_connect_cfm(uint16_t l2cap_cid, uint16_t result) {
161 /* Find CCB based on CID */
162 p_bcb = bnepu_find_bcb_by_cid(l2cap_cid);
164 BNEP_TRACE_WARNING("BNEP - Rcvd conn cnf for unknown CID 0x%x", l2cap_cid);
168 /* If the connection response contains success status, then */
169 /* Transition to the next state and startup the timer. */
170 if ((result == L2CAP_CONN_OK) &&
171 (p_bcb->con_state == BNEP_STATE_CONN_START)) {
172 p_bcb->con_state = BNEP_STATE_CFG_SETUP;
174 /* Send a Configuration Request. */
175 L2CA_ConfigReq(l2cap_cid, &bnep_cb.l2cap_my_cfg);
177 /* Start timer waiting for config results */
178 alarm_set_on_mloop(p_bcb->conn_timer, BNEP_CONN_TIMEOUT_MS,
179 bnep_conn_timer_timeout, p_bcb);
181 BNEP_TRACE_EVENT("BNEP - got conn cnf, sent cfg req, CID: 0x%x",
184 BNEP_TRACE_WARNING("BNEP - Rcvd conn cnf with error: 0x%x CID 0x%x",
185 result, p_bcb->l2cap_cid);
187 /* Tell the upper layer, if he has a callback */
188 if (bnep_cb.p_conn_state_cb && p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) {
189 (*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda,
190 BNEP_CONN_FAILED, false);
193 bnepu_release_bcb(p_bcb);
197 /*******************************************************************************
199 * Function bnep_config_ind
201 * Description This function processes the L2CAP configuration indication
206 ******************************************************************************/
207 static void bnep_config_ind(uint16_t l2cap_cid, tL2CAP_CFG_INFO* p_cfg) {
209 uint16_t result, mtu = 0;
211 /* Find CCB based on CID */
212 p_bcb = bnepu_find_bcb_by_cid(l2cap_cid);
214 BNEP_TRACE_WARNING("BNEP - Rcvd L2CAP cfg ind, unknown CID: 0x%x",
219 BNEP_TRACE_EVENT("BNEP - Rcvd cfg ind, CID: 0x%x", l2cap_cid);
221 /* Remember the remote MTU size */
222 if ((!p_cfg->mtu_present) || (p_cfg->mtu < BNEP_MIN_MTU_SIZE)) {
224 p_cfg->flush_to_present = false;
225 p_cfg->mtu_present = true;
226 p_cfg->mtu = BNEP_MIN_MTU_SIZE;
227 p_cfg->result = result = L2CAP_CFG_UNACCEPTABLE_PARAMS;
229 if (p_cfg->mtu > BNEP_MTU_SIZE)
230 p_bcb->rem_mtu_size = BNEP_MTU_SIZE;
232 p_bcb->rem_mtu_size = p_cfg->mtu;
234 /* For now, always accept configuration from the other side */
235 p_cfg->flush_to_present = false;
236 p_cfg->mtu_present = false;
237 p_cfg->result = result = L2CAP_CFG_OK;
240 L2CA_ConfigRsp(l2cap_cid, p_cfg);
242 if (result != L2CAP_CFG_OK) {
243 BNEP_TRACE_EVENT("BNEP - Rcvd cfg ind with bad MTU %d, CID: 0x%x", mtu,
248 p_bcb->con_flags |= BNEP_FLAGS_HIS_CFG_DONE;
250 if (p_bcb->con_flags & BNEP_FLAGS_MY_CFG_DONE) {
251 p_bcb->con_state = BNEP_STATE_SEC_CHECKING;
253 /* Start timer waiting for setup or response */
254 alarm_set_on_mloop(p_bcb->conn_timer, BNEP_HOST_TIMEOUT_MS,
255 bnep_conn_timer_timeout, p_bcb);
257 if (p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) {
258 btm_sec_mx_access_request(p_bcb->rem_bda, BT_PSM_BNEP, true,
259 BTM_SEC_PROTO_BNEP, p_bcb->src_uuid.As32Bit(),
260 &bnep_sec_check_complete, p_bcb);
265 /*******************************************************************************
267 * Function bnep_config_cfm
269 * Description This function processes the L2CAP configuration confirmation
274 ******************************************************************************/
275 static void bnep_config_cfm(uint16_t l2cap_cid, tL2CAP_CFG_INFO* p_cfg) {
278 BNEP_TRACE_EVENT("BNEP - Rcvd cfg cfm, CID: 0x%x Result: %d", l2cap_cid,
281 /* Find CCB based on CID */
282 p_bcb = bnepu_find_bcb_by_cid(l2cap_cid);
284 BNEP_TRACE_WARNING("BNEP - Rcvd L2CAP cfg ind, unknown CID: 0x%x",
289 /* For now, always accept configuration from the other side */
290 if (p_cfg->result == L2CAP_CFG_OK) {
291 p_bcb->con_flags |= BNEP_FLAGS_MY_CFG_DONE;
293 if (p_bcb->con_flags & BNEP_FLAGS_HIS_CFG_DONE) {
294 p_bcb->con_state = BNEP_STATE_SEC_CHECKING;
296 /* Start timer waiting for setup or response */
297 alarm_set_on_mloop(p_bcb->conn_timer, BNEP_HOST_TIMEOUT_MS,
298 bnep_conn_timer_timeout, p_bcb);
300 if (p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) {
301 btm_sec_mx_access_request(p_bcb->rem_bda, BT_PSM_BNEP, true,
302 BTM_SEC_PROTO_BNEP, p_bcb->src_uuid.As32Bit(),
303 &bnep_sec_check_complete, p_bcb);
307 /* Tell the upper layer, if he has a callback */
308 if ((p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) && (bnep_cb.p_conn_state_cb)) {
309 (*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda,
310 BNEP_CONN_FAILED_CFG, false);
313 L2CA_DisconnectReq(p_bcb->l2cap_cid);
315 bnepu_release_bcb(p_bcb);
319 /*******************************************************************************
321 * Function bnep_disconnect_ind
323 * Description This function handles a disconnect event from L2CAP. If
324 * requested to, we ack the disconnect before dropping the CCB
328 ******************************************************************************/
329 static void bnep_disconnect_ind(uint16_t l2cap_cid, bool ack_needed) {
332 if (ack_needed) L2CA_DisconnectRsp(l2cap_cid);
334 /* Find CCB based on CID */
335 p_bcb = bnepu_find_bcb_by_cid(l2cap_cid);
337 BNEP_TRACE_WARNING("BNEP - Rcvd L2CAP disc, unknown CID: 0x%x", l2cap_cid);
341 BNEP_TRACE_EVENT("BNEP - Rcvd L2CAP disc, CID: 0x%x", l2cap_cid);
343 /* Tell the user if he has a callback */
344 if (p_bcb->con_state == BNEP_STATE_CONNECTED) {
345 if (bnep_cb.p_conn_state_cb)
346 (*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda,
347 BNEP_CONN_DISCONNECTED, false);
349 if ((bnep_cb.p_conn_state_cb) &&
350 ((p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) ||
351 (p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)))
352 (*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda,
353 BNEP_CONN_FAILED, false);
356 bnepu_release_bcb(p_bcb);
359 /*******************************************************************************
361 * Function bnep_disconnect_cfm
363 * Description This function gets the disconnect confirm event from L2CAP
367 ******************************************************************************/
368 static void bnep_disconnect_cfm(uint16_t l2cap_cid, uint16_t result) {
369 BNEP_TRACE_EVENT("BNEP - Rcvd L2CAP disc cfm, CID: 0x%x, Result 0x%x",
373 /*******************************************************************************
375 * Function bnep_congestion_ind
377 * Description This is a callback function called by L2CAP when
378 * congestion status changes
380 ******************************************************************************/
381 static void bnep_congestion_ind(uint16_t l2cap_cid, bool is_congested) {
384 /* Find BCB based on CID */
385 p_bcb = bnepu_find_bcb_by_cid(l2cap_cid);
387 BNEP_TRACE_WARNING("BNEP - Rcvd L2CAP cong, unknown CID: 0x%x", l2cap_cid);
392 p_bcb->con_flags |= BNEP_FLAGS_L2CAP_CONGESTED;
393 if (bnep_cb.p_tx_data_flow_cb) {
394 bnep_cb.p_tx_data_flow_cb(p_bcb->handle, BNEP_TX_FLOW_OFF);
397 p_bcb->con_flags &= ~BNEP_FLAGS_L2CAP_CONGESTED;
399 if (bnep_cb.p_tx_data_flow_cb) {
400 bnep_cb.p_tx_data_flow_cb(p_bcb->handle, BNEP_TX_FLOW_ON);
403 /* While not congested, send as many buffers as we can */
404 while (!(p_bcb->con_flags & BNEP_FLAGS_L2CAP_CONGESTED)) {
405 BT_HDR* p_buf = (BT_HDR*)fixed_queue_try_dequeue(p_bcb->xmit_q);
409 L2CA_DataWrite(l2cap_cid, p_buf);
414 /*******************************************************************************
416 * Function bnep_data_ind
418 * Description This function is called when data is received from L2CAP.
419 * if we are the originator of the connection, we are the SDP
420 * client, and the received message is queued for the client.
422 * If we are the destination of the connection, we are the SDP
423 * server, so the message is passed to the server processing
428 ******************************************************************************/
429 static void bnep_data_ind(uint16_t l2cap_cid, BT_HDR* p_buf) {
431 uint8_t* p = (uint8_t*)(p_buf + 1) + p_buf->offset;
432 uint16_t rem_len = p_buf->len;
433 uint8_t type, ctrl_type, ext_type = 0;
434 bool extension_present, fw_ext_present;
435 uint16_t protocol = 0;
437 /* Find CCB based on CID */
438 p_bcb = bnepu_find_bcb_by_cid(l2cap_cid);
440 BNEP_TRACE_WARNING("BNEP - Rcvd L2CAP data, unknown CID: 0x%x", l2cap_cid);
445 /* Get the type and extension bits */
447 extension_present = type >> 7;
449 if (type >= sizeof(bnep_frame_hdr_sizes) / sizeof(bnep_frame_hdr_sizes[0])) {
450 BNEP_TRACE_EVENT("BNEP - rcvd frame, bad type: 0x%02x", type);
451 android_errorWriteLog(0x534e4554, "68818034");
455 if ((rem_len <= bnep_frame_hdr_sizes[type]) || (rem_len > BNEP_MTU_SIZE)) {
456 BNEP_TRACE_EVENT("BNEP - rcvd frame, bad len: %d type: 0x%02x", p_buf->len,
464 if ((p_bcb->con_state != BNEP_STATE_CONNECTED) &&
465 (!(p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)) &&
466 (type != BNEP_FRAME_CONTROL)) {
468 "BNEP - Ignored L2CAP data while in state: %d, CID: 0x%x",
469 p_bcb->con_state, l2cap_cid);
471 if (extension_present) {
473 ** When there is no connection if a data packet is received
474 ** with unknown control extension headers then those should be processed
475 ** according to complain/ignore law
478 uint16_t org_len, new_len;
479 /* parse the extension headers and process unknown control headers */
483 if (org_len < 2) break;
488 new_len = (length + 2);
489 if (new_len > org_len) break;
491 if ((!(ext & 0x7F)) && (*p > BNEP_FILTER_MULTI_ADDR_RESPONSE_MSG))
492 bnep_send_command_not_understood(p_bcb, *p);
495 } while (ext & 0x80);
496 android_errorWriteLog(0x534e4554, "67863755");
503 if (type > BNEP_FRAME_COMPRESSED_ETHERNET_DEST_ONLY) {
504 BNEP_TRACE_EVENT("BNEP - rcvd frame, unknown type: 0x%02x", type);
509 BNEP_TRACE_DEBUG("BNEP - rcv frame, type: %d len: %d Ext: %d", type,
510 p_buf->len, extension_present);
512 /* Initialize addresses to 'not supplied' */
513 const RawAddress *p_src_addr, *p_dst_addr;
514 p_src_addr = p_dst_addr = NULL;
517 case BNEP_FRAME_GENERAL_ETHERNET:
518 p_dst_addr = (RawAddress*)p;
520 p_src_addr = (RawAddress*)p;
522 BE_STREAM_TO_UINT16(protocol, p);
526 case BNEP_FRAME_CONTROL:
528 p = bnep_process_control_packet(p_bcb, p, &rem_len, false);
530 if (ctrl_type == BNEP_SETUP_CONNECTION_REQUEST_MSG &&
531 p_bcb->con_state != BNEP_STATE_CONNECTED && extension_present && p &&
533 osi_free(p_bcb->p_pending_data);
534 p_bcb->p_pending_data = (BT_HDR*)osi_malloc(rem_len + sizeof(BT_HDR));
535 memcpy((uint8_t*)(p_bcb->p_pending_data + 1), p, rem_len);
536 p_bcb->p_pending_data->len = rem_len;
537 p_bcb->p_pending_data->offset = 0;
539 while (extension_present && p && rem_len) {
542 android_errorWriteLog(0x534e4554, "69271284");
543 extension_present = ext_type >> 7;
546 /* if unknown extension present stop processing */
549 p = bnep_process_control_packet(p_bcb, p, &rem_len, true);
555 case BNEP_FRAME_COMPRESSED_ETHERNET:
556 BE_STREAM_TO_UINT16(protocol, p);
560 case BNEP_FRAME_COMPRESSED_ETHERNET_SRC_ONLY:
561 p_src_addr = (RawAddress*)p;
563 BE_STREAM_TO_UINT16(protocol, p);
567 case BNEP_FRAME_COMPRESSED_ETHERNET_DEST_ONLY:
568 p_dst_addr = (RawAddress*)p;
570 BE_STREAM_TO_UINT16(protocol, p);
575 /* Process the header extension if there is one */
576 while (extension_present && p && rem_len) {
578 extension_present = ext_type >> 7;
581 /* if unknown extension present stop processing */
583 BNEP_TRACE_EVENT("Data extension type 0x%x found", ext_type);
589 p = bnep_process_control_packet(p_bcb, p, &rem_len, true);
592 p_buf->offset += p_buf->len - rem_len;
593 p_buf->len = rem_len;
595 /* Always give the upper layer MAC addresses */
596 if (!p_src_addr) p_src_addr = &p_bcb->rem_bda;
598 if (!p_dst_addr) p_dst_addr = controller_get_interface()->get_address();
600 /* check whether there are any extensions to be forwarded */
602 fw_ext_present = true;
604 fw_ext_present = false;
606 if (bnep_cb.p_data_buf_cb) {
607 (*bnep_cb.p_data_buf_cb)(p_bcb->handle, *p_src_addr, *p_dst_addr, protocol,
608 p_buf, fw_ext_present);
609 } else if (bnep_cb.p_data_ind_cb) {
610 (*bnep_cb.p_data_ind_cb)(p_bcb->handle, *p_src_addr, *p_dst_addr, protocol,
611 p, rem_len, fw_ext_present);
616 /*******************************************************************************
618 * Function bnep_conn_timer_timeout
620 * Description This function processes a timeout. If it is a startup
621 * timeout, we check for reading our BD address. If it
622 * is an L2CAP timeout, we send a disconnect req to L2CAP.
626 ******************************************************************************/
627 void bnep_conn_timer_timeout(void* data) {
628 tBNEP_CONN* p_bcb = (tBNEP_CONN*)data;
631 "BNEP - CCB timeout in state: %d CID: 0x%x flags %x, re_transmit %d",
632 p_bcb->con_state, p_bcb->l2cap_cid, p_bcb->con_flags,
633 p_bcb->re_transmits);
635 if (p_bcb->con_state == BNEP_STATE_CONN_SETUP) {
636 BNEP_TRACE_EVENT("BNEP - CCB timeout in state: %d CID: 0x%x",
637 p_bcb->con_state, p_bcb->l2cap_cid);
639 if (!(p_bcb->con_flags & BNEP_FLAGS_IS_ORIG)) {
640 L2CA_DisconnectReq(p_bcb->l2cap_cid);
642 bnepu_release_bcb(p_bcb);
646 if (p_bcb->re_transmits++ != BNEP_MAX_RETRANSMITS) {
647 bnep_send_conn_req(p_bcb);
648 alarm_set_on_mloop(p_bcb->conn_timer, BNEP_CONN_TIMEOUT_MS,
649 bnep_conn_timer_timeout, p_bcb);
651 L2CA_DisconnectReq(p_bcb->l2cap_cid);
653 if ((p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) && (bnep_cb.p_conn_state_cb))
654 (*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda,
655 BNEP_CONN_FAILED, false);
657 bnepu_release_bcb(p_bcb);
660 } else if (p_bcb->con_state != BNEP_STATE_CONNECTED) {
661 BNEP_TRACE_EVENT("BNEP - CCB timeout in state: %d CID: 0x%x",
662 p_bcb->con_state, p_bcb->l2cap_cid);
664 L2CA_DisconnectReq(p_bcb->l2cap_cid);
666 /* Tell the user if he has a callback */
667 if ((p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) && (bnep_cb.p_conn_state_cb))
668 (*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda,
669 BNEP_CONN_FAILED, false);
671 bnepu_release_bcb(p_bcb);
672 } else if (p_bcb->con_flags & BNEP_FLAGS_FILTER_RESP_PEND) {
673 if (p_bcb->re_transmits++ != BNEP_MAX_RETRANSMITS) {
674 bnepu_send_peer_our_filters(p_bcb);
675 alarm_set_on_mloop(p_bcb->conn_timer, BNEP_FILTER_SET_TIMEOUT_MS,
676 bnep_conn_timer_timeout, p_bcb);
678 L2CA_DisconnectReq(p_bcb->l2cap_cid);
680 /* Tell the user if he has a callback */
681 if (bnep_cb.p_conn_state_cb)
682 (*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda,
683 BNEP_SET_FILTER_FAIL, false);
685 bnepu_release_bcb(p_bcb);
688 } else if (p_bcb->con_flags & BNEP_FLAGS_MULTI_RESP_PEND) {
689 if (p_bcb->re_transmits++ != BNEP_MAX_RETRANSMITS) {
690 bnepu_send_peer_our_multi_filters(p_bcb);
691 alarm_set_on_mloop(p_bcb->conn_timer, BNEP_FILTER_SET_TIMEOUT_MS,
692 bnep_conn_timer_timeout, p_bcb);
694 L2CA_DisconnectReq(p_bcb->l2cap_cid);
696 /* Tell the user if he has a callback */
697 if (bnep_cb.p_conn_state_cb)
698 (*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda,
699 BNEP_SET_FILTER_FAIL, false);
701 bnepu_release_bcb(p_bcb);
707 /*******************************************************************************
709 * Function bnep_connected
711 * Description This function is called when a connection is established
716 ******************************************************************************/
717 void bnep_connected(tBNEP_CONN* p_bcb) {
720 if (p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)
721 is_role_change = true;
723 is_role_change = false;
725 p_bcb->con_state = BNEP_STATE_CONNECTED;
726 p_bcb->con_flags |= BNEP_FLAGS_CONN_COMPLETED;
727 p_bcb->con_flags &= (~BNEP_FLAGS_SETUP_RCVD);
729 /* Ensure timer is stopped */
730 alarm_cancel(p_bcb->conn_timer);
731 p_bcb->re_transmits = 0;
733 /* Tell the upper layer, if he has a callback */
734 if (bnep_cb.p_conn_state_cb)
735 (*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda, BNEP_SUCCESS,