unplugged-vendor/system/bt/mediatek/stack/l2cap/l2c_api.cc

101 lines
4.2 KiB
C++

/* Copyright Statement:
* *
* * This software/firmware and related documentation ("MediaTek Software") are
* * protected under relevant copyright laws. The information contained herein
* * is confidential and proprietary to MediaTek Inc. and/or its licensors.
* * Without the prior written permission of MediaTek inc. and/or its licensors,
* * any reproduction, modification, use or disclosure of MediaTek Software,
* * and information contained herein, in whole or in part, shall be strictly prohibited.
* *
* * MediaTek Inc. (C) 2016. All rights reserved.
* *
* * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
* * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
* * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
* * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
* * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
* * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
* * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
* * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
* * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
* *
* * The following software/firmware and/or related documentation ("MediaTek Software")
* * have been modified by MediaTek Inc. All revisions are subject to any receiver's
* * applicable license agreements with MediaTek Inc.
* */
#include <base/logging.h>
#include <base/strings/stringprintf.h>
#include "stack/include/l2c_api.h"
#include "stack/l2cap/l2c_int.h"
#include "mediatek/stack/include/mtk_l2c_api.h"
using base::StringPrintf;
/*******************************************************************************
**
** Function L2CA_FixedChnlPending
**
** Description This function is to check whether the fixed channel connection request
** request is pending
**
** Returns If the fixed channel connection is pending, return true.
**
*******************************************************************************/
bool L2CA_IsFixedChnlPending(uint16_t fixed_cid, const RawAddress& rem_bda) {
tL2C_LCB* p_lcb;
tBT_TRANSPORT transport = BT_TRANSPORT_BR_EDR;
// Check CID is valid and registered
if ((fixed_cid < L2CAP_FIRST_FIXED_CHNL) ||
(fixed_cid > L2CAP_LAST_FIXED_CHNL) ||
(l2cb.fixed_reg[fixed_cid - L2CAP_FIRST_FIXED_CHNL].pL2CA_FixedData_Cb ==
NULL)) {
LOG(ERROR) << StringPrintf("%s() Invalid CID: 0x%04x", __func__, fixed_cid);
return (false);
}
if (fixed_cid >= L2CAP_ATT_CID && fixed_cid <= L2CAP_SMP_CID)
transport = BT_TRANSPORT_LE;
if (((p_lcb = l2cu_find_lcb_by_bd_addr(rem_bda, transport)) != NULL) &&
(p_lcb->p_pending_ccb != NULL)) {
if (p_lcb->p_pending_ccb ==
p_lcb->p_fixed_ccbs[fixed_cid - L2CAP_FIRST_FIXED_CHNL]) {
VLOG(1) << StringPrintf(
"%s() CID: 0x%04x bda:%s, the fixed channel connection is "
"pending", __func__, fixed_cid, rem_bda.ToString().c_str());
return (true);
}
}
return (false);
}
bool L2CA_RegisterFwmonitorCallback(tL2CAP_APPL_INFO* p_cb_info) {
if (!p_cb_info || !p_cb_info->pL2CA_DataInd_Cb)
return (false);
l2cb.fwmonitor_cb = p_cb_info;
return (true);
}
void L2CA_FwmonitorData(BT_HDR* p_msg) {
if (l2cb.fwmonitor_cb && l2cb.fwmonitor_cb->pL2CA_DataInd_Cb)
l2cb.fwmonitor_cb->pL2CA_DataInd_Cb(0, p_msg);
return;
}