b80325604d
1. add bluedroid 1st version 2. alarm adapter 3. task semaphore lock 4. other bugs resolved
1143 lines
43 KiB
C
Executable file
1143 lines
43 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 1999-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* this file contains the L2CAP API definitions
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*
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******************************************************************************/
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#ifndef L2C_API_H
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#define L2C_API_H
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#include <stdbool.h>
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#include "bt_target.h"
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#include "l2cdefs.h"
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#include "hcidefs.h"
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/*****************************************************************************
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** Constants
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*****************************************************************************/
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/* Define the minimum offset that L2CAP needs in a buffer. This is made up of
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** HCI type(1), len(2), handle(2), L2CAP len(2) and CID(2) => 9
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*/
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#define L2CAP_MIN_OFFSET 13 /* plus control(2), SDU length(2) */
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/* Minimum offset for broadcast needs another two bytes for the PSM */
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#define L2CAP_BCST_MIN_OFFSET 11
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/* ping result codes */
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#define L2CAP_PING_RESULT_OK 0 /* Ping reply received OK */
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#define L2CAP_PING_RESULT_NO_LINK 1 /* Link could not be setup */
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#define L2CAP_PING_RESULT_NO_RESP 2 /* Remote L2CAP did not reply */
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/* result code for L2CA_DataWrite() */
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#define L2CAP_DW_FAILED FALSE
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#define L2CAP_DW_SUCCESS TRUE
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#define L2CAP_DW_CONGESTED 2
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/* Values for priority parameter to L2CA_SetAclPriority */
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#define L2CAP_PRIORITY_NORMAL 0
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#define L2CAP_PRIORITY_HIGH 1
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/* Values for priority parameter to L2CA_SetTxPriority */
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#define L2CAP_CHNL_PRIORITY_HIGH 0
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#define L2CAP_CHNL_PRIORITY_MEDIUM 1
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#define L2CAP_CHNL_PRIORITY_LOW 2
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typedef UINT8 tL2CAP_CHNL_PRIORITY;
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/* Values for Tx/Rx data rate parameter to L2CA_SetChnlDataRate */
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#define L2CAP_CHNL_DATA_RATE_HIGH 3
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#define L2CAP_CHNL_DATA_RATE_MEDIUM 2
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#define L2CAP_CHNL_DATA_RATE_LOW 1
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#define L2CAP_CHNL_DATA_RATE_NO_TRAFFIC 0
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typedef UINT8 tL2CAP_CHNL_DATA_RATE;
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/* Data Packet Flags (bits 2-15 are reserved) */
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/* layer specific 14-15 bits are used for FCR SAR */
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#define L2CAP_FLUSHABLE_MASK 0x0003
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#define L2CAP_FLUSHABLE_CH_BASED 0x0000
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#define L2CAP_FLUSHABLE_PKT 0x0001
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#define L2CAP_NON_FLUSHABLE_PKT 0x0002
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/* L2CA_FlushChannel num_to_flush definitions */
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#define L2CAP_FLUSH_CHANS_ALL 0xffff
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#define L2CAP_FLUSH_CHANS_GET 0x0000
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/* special CID for Multi-AV for reporting congestion */
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#define L2CAP_MULTI_AV_CID 0
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/* length of the HCI header block */
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/* HCI header(4) + SNK count(1) + FCR bits(1) + AV data length(2) */
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#define L2CAP_MULTI_AV_HCI_HDR_LEN 8
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/* length of padding for 4 bytes align */
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#define L2CAP_MULTI_AV_PADDING_LEN 2
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/* length of the HCI header block with padding for FCR */
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/* HCI header(4) + SNK count(1) + FCR bits(1) + AV data length(2) + padding(2) */
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#define L2CAP_MULTI_AV_HCI_HDR_LEN_WITH_PADDING 10
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/* length of the L2CAP header block */
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/* HCI header(4) + L2CAP header(4) + padding(4) or control word(2) + FCS(2) */
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#define L2CAP_MULTI_AV_L2C_HDR_LEN 12
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/* definition used for L2CA_SetDesireRole */
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#define L2CAP_ROLE_SLAVE HCI_ROLE_SLAVE
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#define L2CAP_ROLE_MASTER HCI_ROLE_MASTER
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#define L2CAP_ROLE_ALLOW_SWITCH 0x80 /* set this bit to allow switch at create conn */
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#define L2CAP_ROLE_DISALLOW_SWITCH 0x40 /* set this bit to disallow switch at create conn */
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#define L2CAP_ROLE_CHECK_SWITCH 0xC0
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/* Values for 'allowed_modes' field passed in structure tL2CAP_ERTM_INFO
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*/
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#define L2CAP_FCR_CHAN_OPT_BASIC (1 << L2CAP_FCR_BASIC_MODE)
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#define L2CAP_FCR_CHAN_OPT_ERTM (1 << L2CAP_FCR_ERTM_MODE)
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#define L2CAP_FCR_CHAN_OPT_STREAM (1 << L2CAP_FCR_STREAM_MODE)
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#define L2CAP_FCR_CHAN_OPT_ALL_MASK (L2CAP_FCR_CHAN_OPT_BASIC | L2CAP_FCR_CHAN_OPT_ERTM | L2CAP_FCR_CHAN_OPT_STREAM)
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/* Validity check for PSM. PSM values must be odd. Also, all PSM values must
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** be assigned such that the least significant bit of the most sigificant
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** octet equals zero.
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*/
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#define L2C_INVALID_PSM(psm) (((psm) & 0x0101) != 0x0001)
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#define L2C_IS_VALID_PSM(psm) (((psm) & 0x0101) == 0x0001)
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/*****************************************************************************
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** Type Definitions
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*****************************************************************************/
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typedef struct
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{
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#define L2CAP_FCR_BASIC_MODE 0x00
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#define L2CAP_FCR_ERTM_MODE 0x03
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#define L2CAP_FCR_STREAM_MODE 0x04
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UINT8 mode;
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UINT8 tx_win_sz;
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UINT8 max_transmit;
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UINT16 rtrans_tout;
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UINT16 mon_tout;
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UINT16 mps;
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} tL2CAP_FCR_OPTS;
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/* Define a structure to hold the configuration parameters. Since the
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** parameters are optional, for each parameter there is a boolean to
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** use to signify its presence or absence.
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*/
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typedef struct
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{
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UINT16 result; /* Only used in confirm messages */
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BOOLEAN mtu_present;
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UINT16 mtu;
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BOOLEAN qos_present;
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FLOW_SPEC qos;
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BOOLEAN flush_to_present;
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UINT16 flush_to;
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BOOLEAN fcr_present;
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tL2CAP_FCR_OPTS fcr;
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BOOLEAN fcs_present; /* Optionally bypasses FCS checks */
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UINT8 fcs; /* '0' if desire is to bypass FCS, otherwise '1' */
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BOOLEAN ext_flow_spec_present;
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tHCI_EXT_FLOW_SPEC ext_flow_spec;
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UINT16 flags; /* bit 0: 0-no continuation, 1-continuation */
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} tL2CAP_CFG_INFO;
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/* L2CAP channel configured field bitmap */
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#define L2CAP_CH_CFG_MASK_MTU 0x0001
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#define L2CAP_CH_CFG_MASK_QOS 0x0002
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#define L2CAP_CH_CFG_MASK_FLUSH_TO 0x0004
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#define L2CAP_CH_CFG_MASK_FCR 0x0008
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#define L2CAP_CH_CFG_MASK_FCS 0x0010
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#define L2CAP_CH_CFG_MASK_EXT_FLOW_SPEC 0x0020
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typedef UINT16 tL2CAP_CH_CFG_BITS;
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/*********************************
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** Callback Functions Prototypes
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**********************************/
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/* Connection indication callback prototype. Parameters are
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** BD Address of remote
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** Local CID assigned to the connection
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** PSM that the remote wants to connect to
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** Identifier that the remote sent
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*/
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typedef void (tL2CA_CONNECT_IND_CB) (BD_ADDR, UINT16, UINT16, UINT8);
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/* Connection confirmation callback prototype. Parameters are
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** Local CID
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** Result - 0 = connected, non-zero means failure reason
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*/
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typedef void (tL2CA_CONNECT_CFM_CB) (UINT16, UINT16);
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/* Connection pending callback prototype. Parameters are
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** Local CID
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*/
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typedef void (tL2CA_CONNECT_PND_CB) (UINT16);
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/* Configuration indication callback prototype. Parameters are
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** Local CID assigned to the connection
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** Pointer to configuration info
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*/
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typedef void (tL2CA_CONFIG_IND_CB) (UINT16, tL2CAP_CFG_INFO *);
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/* Configuration confirm callback prototype. Parameters are
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** Local CID assigned to the connection
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** Pointer to configuration info
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*/
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typedef void (tL2CA_CONFIG_CFM_CB) (UINT16, tL2CAP_CFG_INFO *);
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/* Disconnect indication callback prototype. Parameters are
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** Local CID
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** Boolean whether upper layer should ack this
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*/
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typedef void (tL2CA_DISCONNECT_IND_CB) (UINT16, BOOLEAN);
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/* Disconnect confirm callback prototype. Parameters are
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** Local CID
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** Result
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*/
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typedef void (tL2CA_DISCONNECT_CFM_CB) (UINT16, UINT16);
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/* QOS Violation indication callback prototype. Parameters are
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** BD Address of violating device
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*/
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typedef void (tL2CA_QOS_VIOLATION_IND_CB) (BD_ADDR);
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/* Data received indication callback prototype. Parameters are
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** Local CID
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** Address of buffer
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*/
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typedef void (tL2CA_DATA_IND_CB) (UINT16, BT_HDR *);
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/* Echo response callback prototype. Note that this is not included in the
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** registration information, but is passed to L2CAP as part of the API to
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** actually send an echo request. Parameters are
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** Result
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*/
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typedef void (tL2CA_ECHO_RSP_CB) (UINT16);
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/* Callback function prototype to pass broadcom specific echo response */
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/* to the upper layer */
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typedef void (tL2CA_ECHO_DATA_CB) (BD_ADDR, UINT16, UINT8 *);
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/* Congestion status callback protype. This callback is optional. If
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** an application tries to send data when the transmit queue is full,
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** the data will anyways be dropped. The parameter is:
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** Local CID
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** TRUE if congested, FALSE if uncongested
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*/
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typedef void (tL2CA_CONGESTION_STATUS_CB) (UINT16, BOOLEAN);
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/* Callback prototype for number of packets completed events.
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** This callback notifies the application when Number of Completed Packets
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** event has been received.
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** This callback is originally designed for 3DG devices.
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** The parameter is:
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** peer BD_ADDR
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*/
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typedef void (tL2CA_NOCP_CB) (BD_ADDR);
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/* Transmit complete callback protype. This callback is optional. If
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** set, L2CAP will call it when packets are sent or flushed. If the
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** count is 0xFFFF, it means all packets are sent for that CID (eRTM
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** mode only). The parameters are:
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** Local CID
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** Number of SDUs sent or dropped
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*/
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typedef void (tL2CA_TX_COMPLETE_CB) (UINT16, UINT16);
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/* Define the structure that applications use to register with
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** L2CAP. This structure includes callback functions. All functions
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** MUST be provided, with the exception of the "connect pending"
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** callback and "congestion status" callback.
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*/
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typedef struct
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{
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tL2CA_CONNECT_IND_CB *pL2CA_ConnectInd_Cb;
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tL2CA_CONNECT_CFM_CB *pL2CA_ConnectCfm_Cb;
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tL2CA_CONNECT_PND_CB *pL2CA_ConnectPnd_Cb;
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tL2CA_CONFIG_IND_CB *pL2CA_ConfigInd_Cb;
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tL2CA_CONFIG_CFM_CB *pL2CA_ConfigCfm_Cb;
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tL2CA_DISCONNECT_IND_CB *pL2CA_DisconnectInd_Cb;
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tL2CA_DISCONNECT_CFM_CB *pL2CA_DisconnectCfm_Cb;
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tL2CA_QOS_VIOLATION_IND_CB *pL2CA_QoSViolationInd_Cb;
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tL2CA_DATA_IND_CB *pL2CA_DataInd_Cb;
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tL2CA_CONGESTION_STATUS_CB *pL2CA_CongestionStatus_Cb;
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tL2CA_TX_COMPLETE_CB *pL2CA_TxComplete_Cb;
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} tL2CAP_APPL_INFO;
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/* Define the structure that applications use to create or accept
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** connections with enhanced retransmission mode.
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*/
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typedef struct
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{
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UINT8 preferred_mode;
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UINT8 allowed_modes;
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UINT8 user_rx_pool_id;
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UINT8 user_tx_pool_id;
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UINT8 fcr_rx_pool_id;
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UINT8 fcr_tx_pool_id;
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} tL2CAP_ERTM_INFO;
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#define L2CA_REGISTER(a,b,c) L2CA_Register(a,(tL2CAP_APPL_INFO *)b)
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#define L2CA_DEREGISTER(a) L2CA_Deregister(a)
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#define L2CA_CONNECT_REQ(a,b,c,d) L2CA_ErtmConnectReq(a,b,c)
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#define L2CA_CONNECT_RSP(a,b,c,d,e,f,g) L2CA_ErtmConnectRsp(a,b,c,d,e,f)
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#define L2CA_CONFIG_REQ(a,b) L2CA_ConfigReq(a,b)
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#define L2CA_CONFIG_RSP(a,b) L2CA_ConfigRsp(a,b)
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#define L2CA_DISCONNECT_REQ(a) L2CA_DisconnectReq(a)
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#define L2CA_DISCONNECT_RSP(a) L2CA_DisconnectRsp(a)
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#define L2CA_DATA_WRITE(a, b) L2CA_DataWrite(a, b)
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/*****************************************************************************
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** External Function Declarations
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*****************************************************************************/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*******************************************************************************
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**
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** Function L2CA_Register
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**
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** Description Other layers call this function to register for L2CAP
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** services.
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**
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** Returns PSM to use or zero if error. Typically, the PSM returned
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** is the same as was passed in, but for an outgoing-only
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** connection to a dynamic PSM, a "virtual" PSM is returned
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** and should be used in the calls to L2CA_ConnectReq() and
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** BTM_SetSecurityLevel().
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**
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*******************************************************************************/
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extern UINT16 L2CA_Register (UINT16 psm, tL2CAP_APPL_INFO *p_cb_info);
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/*******************************************************************************
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**
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** Function L2CA_Deregister
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**
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** Description Other layers call this function to deregister for L2CAP
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** services.
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**
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** Returns void
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**
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*******************************************************************************/
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extern void L2CA_Deregister (UINT16 psm);
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/*******************************************************************************
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**
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** Function L2CA_AllocatePSM
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**
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** Description Other layers call this function to find an unused PSM for L2CAP
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** services.
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**
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** Returns PSM to use.
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**
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*******************************************************************************/
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extern UINT16 L2CA_AllocatePSM(void);
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/*******************************************************************************
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**
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** Function L2CA_ConnectReq
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**
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** Description Higher layers call this function to create an L2CAP connection.
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** Note that the connection is not established at this time, but
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** connection establishment gets started. The callback function
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** will be invoked when connection establishes or fails.
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**
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** Returns the CID of the connection, or 0 if it failed to start
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**
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*******************************************************************************/
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extern UINT16 L2CA_ConnectReq (UINT16 psm, BD_ADDR p_bd_addr);
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/*******************************************************************************
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**
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** Function L2CA_ConnectRsp
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**
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** Description Higher layers call this function to accept an incoming
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** L2CAP connection, for which they had gotten an connect
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** indication callback.
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**
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** Returns TRUE for success, FALSE for failure
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**
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*******************************************************************************/
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extern BOOLEAN L2CA_ConnectRsp (BD_ADDR p_bd_addr, UINT8 id, UINT16 lcid,
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UINT16 result, UINT16 status);
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/*******************************************************************************
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**
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** Function L2CA_ErtmConnectReq
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**
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** Description Higher layers call this function to create an L2CAP connection
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** that needs to use Enhanced Retransmission Mode.
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** Note that the connection is not established at this time, but
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** connection establishment gets started. The callback function
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** will be invoked when connection establishes or fails.
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**
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** Returns the CID of the connection, or 0 if it failed to start
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**
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*******************************************************************************/
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extern UINT16 L2CA_ErtmConnectReq (UINT16 psm, BD_ADDR p_bd_addr,
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tL2CAP_ERTM_INFO *p_ertm_info);
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// This function sets the callback routines for the L2CAP connection referred to by
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// |local_cid|. The callback routines can only be modified for outgoing connections
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// established by |L2CA_ConnectReq| or accepted incoming connections. |callbacks|
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// must not be NULL. This function returns true if the callbacks could be updated,
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// false if not (e.g. |local_cid| was not found).
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bool L2CA_SetConnectionCallbacks(uint16_t local_cid, const tL2CAP_APPL_INFO *callbacks);
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/*******************************************************************************
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**
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** Function L2CA_ErtmConnectRsp
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**
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** Description Higher layers call this function to accept an incoming
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** L2CAP connection, for which they had gotten an connect
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** indication callback, and for which the higher layer wants
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** to use Enhanced Retransmission Mode.
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**
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** Returns TRUE for success, FALSE for failure
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**
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*******************************************************************************/
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extern BOOLEAN L2CA_ErtmConnectRsp (BD_ADDR p_bd_addr, UINT8 id, UINT16 lcid,
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UINT16 result, UINT16 status,
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tL2CAP_ERTM_INFO *p_ertm_info);
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/*******************************************************************************
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**
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** Function L2CA_ConfigReq
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**
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** Description Higher layers call this function to send configuration.
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**
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** Returns TRUE if configuration sent, else FALSE
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**
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*******************************************************************************/
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extern BOOLEAN L2CA_ConfigReq (UINT16 cid, tL2CAP_CFG_INFO *p_cfg);
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/*******************************************************************************
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**
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** Function L2CA_ConfigRsp
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**
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** Description Higher layers call this function to send a configuration
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** response.
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**
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** Returns TRUE if configuration response sent, else FALSE
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**
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*******************************************************************************/
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extern BOOLEAN L2CA_ConfigRsp (UINT16 cid, tL2CAP_CFG_INFO *p_cfg);
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/*******************************************************************************
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**
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** Function L2CA_DisconnectReq
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**
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** Description Higher layers call this function to disconnect a channel.
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**
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** Returns TRUE if disconnect sent, else FALSE
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**
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*******************************************************************************/
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extern BOOLEAN L2CA_DisconnectReq (UINT16 cid);
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|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_DisconnectRsp
|
|
**
|
|
** Description Higher layers call this function to acknowledge the
|
|
** disconnection of a channel.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_DisconnectRsp (UINT16 cid);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_DataWrite
|
|
**
|
|
** Description Higher layers call this function to write data.
|
|
**
|
|
** Returns L2CAP_DW_SUCCESS, if data accepted, else FALSE
|
|
** L2CAP_DW_CONGESTED, if data accepted and the channel is congested
|
|
** L2CAP_DW_FAILED, if error
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT8 L2CA_DataWrite (UINT16 cid, BT_HDR *p_data);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_Ping
|
|
**
|
|
** Description Higher layers call this function to send an echo request.
|
|
**
|
|
** Returns TRUE if echo request sent, else FALSE.
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_Ping (BD_ADDR p_bd_addr, tL2CA_ECHO_RSP_CB *p_cb);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_Echo
|
|
**
|
|
** Description Higher layers call this function to send an echo request
|
|
** with application-specific data.
|
|
**
|
|
** Returns TRUE if echo request sent, else FALSE.
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_Echo (BD_ADDR p_bd_addr, BT_HDR *p_data, tL2CA_ECHO_DATA_CB *p_callback);
|
|
|
|
// Given a local channel identifier, |lcid|, this function returns the bound remote
|
|
// channel identifier, |rcid|, and the ACL link handle, |handle|. If |lcid| is not
|
|
// known or is invalid, this function returns false and does not modify the values
|
|
// pointed at by |rcid| and |handle|. |rcid| and |handle| may be NULL.
|
|
bool L2CA_GetIdentifiers(uint16_t lcid, uint16_t *rcid, uint16_t *handle);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetIdleTimeout
|
|
**
|
|
** Description Higher layers call this function to set the idle timeout for
|
|
** a connection, or for all future connections. The "idle timeout"
|
|
** is the amount of time that a connection can remain up with
|
|
** no L2CAP channels on it. A timeout of zero means that the
|
|
** connection will be torn down immediately when the last channel
|
|
** is removed. A timeout of 0xFFFF means no timeout. Values are
|
|
** in seconds.
|
|
**
|
|
** Returns TRUE if command succeeded, FALSE if failed
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_SetIdleTimeout (UINT16 cid, UINT16 timeout,
|
|
BOOLEAN is_global);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetIdleTimeoutByBdAddr
|
|
**
|
|
** Description Higher layers call this function to set the idle timeout for
|
|
** a connection. The "idle timeout" is the amount of time that
|
|
** a connection can remain up with no L2CAP channels on it.
|
|
** A timeout of zero means that the connection will be torn
|
|
** down immediately when the last channel is removed.
|
|
** A timeout of 0xFFFF means no timeout. Values are in seconds.
|
|
** A bd_addr is the remote BD address. If bd_addr = BT_BD_ANY,
|
|
** then the idle timeouts for all active l2cap links will be
|
|
** changed.
|
|
**
|
|
** Returns TRUE if command succeeded, FALSE if failed
|
|
**
|
|
** NOTE This timeout applies to all logical channels active on the
|
|
** ACL link.
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_SetIdleTimeoutByBdAddr(BD_ADDR bd_addr, UINT16 timeout,
|
|
tBT_TRANSPORT transport);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetTraceLevel
|
|
**
|
|
** Description This function sets the trace level for L2CAP. If called with
|
|
** a value of 0xFF, it simply reads the current trace level.
|
|
**
|
|
** Returns the new (current) trace level
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT8 L2CA_SetTraceLevel (UINT8 trace_level);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetDesireRole
|
|
**
|
|
** Description This function sets the desire role for L2CAP.
|
|
** If the new role is L2CAP_ROLE_ALLOW_SWITCH, allow switch on
|
|
** HciCreateConnection.
|
|
** If the new role is L2CAP_ROLE_DISALLOW_SWITCH, do not allow switch on
|
|
** HciCreateConnection.
|
|
**
|
|
** If the new role is a valid role (HCI_ROLE_MASTER or HCI_ROLE_SLAVE),
|
|
** the desire role is set to the new value. Otherwise, it is not changed.
|
|
**
|
|
** Returns the new (current) role
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT8 L2CA_SetDesireRole (UINT8 new_role);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_LocalLoopbackReq
|
|
**
|
|
** Description This function sets up a CID for local loopback
|
|
**
|
|
** Returns CID of 0 if none.
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT16 L2CA_LocalLoopbackReq (UINT16 psm, UINT16 handle, BD_ADDR p_bd_addr);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_FlushChannel
|
|
**
|
|
** Description This function flushes none, some or all buffers queued up
|
|
** for xmission for a particular CID. If called with
|
|
** L2CAP_FLUSH_CHANS_GET (0), it simply returns the number
|
|
** of buffers queued for that CID L2CAP_FLUSH_CHANS_ALL (0xffff)
|
|
** flushes all buffers. All other values specifies the maximum
|
|
** buffers to flush.
|
|
**
|
|
** Returns Number of buffers left queued for that CID
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT16 L2CA_FlushChannel (UINT16 lcid, UINT16 num_to_flush);
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetAclPriority
|
|
**
|
|
** Description Sets the transmission priority for an ACL channel.
|
|
** (For initial implementation only two values are valid.
|
|
** L2CAP_PRIORITY_NORMAL and L2CAP_PRIORITY_HIGH).
|
|
**
|
|
** Returns TRUE if a valid channel, else FALSE
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_SetAclPriority (BD_ADDR bd_addr, UINT8 priority);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_FlowControl
|
|
**
|
|
** Description Higher layers call this function to flow control a channel.
|
|
**
|
|
** data_enabled - TRUE data flows, FALSE data is stopped
|
|
**
|
|
** Returns TRUE if valid channel, else FALSE
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_FlowControl (UINT16 cid, BOOLEAN data_enabled);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SendTestSFrame
|
|
**
|
|
** Description Higher layers call this function to send a test S-frame.
|
|
**
|
|
** Returns TRUE if valid Channel, else FALSE
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_SendTestSFrame (UINT16 cid, UINT8 sup_type,
|
|
UINT8 back_track);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetTxPriority
|
|
**
|
|
** Description Sets the transmission priority for a channel. (FCR Mode)
|
|
**
|
|
** Returns TRUE if a valid channel, else FALSE
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_SetTxPriority (UINT16 cid, tL2CAP_CHNL_PRIORITY priority);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_RegForNoCPEvt
|
|
**
|
|
** Description Register callback for Number of Completed Packets event.
|
|
**
|
|
** Input Param p_cb - callback for Number of completed packets event
|
|
** p_bda - BT address of remote device
|
|
**
|
|
** Returns
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_RegForNoCPEvt(tL2CA_NOCP_CB *p_cb, BD_ADDR p_bda);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetChnlDataRate
|
|
**
|
|
** Description Sets the tx/rx data rate for a channel.
|
|
**
|
|
** Returns TRUE if a valid channel, else FALSE
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_SetChnlDataRate (UINT16 cid, tL2CAP_CHNL_DATA_RATE tx, tL2CAP_CHNL_DATA_RATE rx);
|
|
|
|
typedef void (tL2CA_RESERVE_CMPL_CBACK) (void);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetFlushTimeout
|
|
**
|
|
** Description This function set the automatic flush time out in Baseband
|
|
** for ACL-U packets.
|
|
** BdAddr : the remote BD address of ACL link. If it is BT_DB_ANY
|
|
** then the flush time out will be applied to all ACL link.
|
|
** FlushTimeout: flush time out in ms
|
|
** 0x0000 : No automatic flush
|
|
** L2CAP_NO_RETRANSMISSION : No retransmission
|
|
** 0x0002 - 0xFFFE : flush time out, if (flush_tout*8)+3/5)
|
|
** <= HCI_MAX_AUTO_FLUSH_TOUT (in 625us slot).
|
|
** Otherwise, return FALSE.
|
|
** L2CAP_NO_AUTOMATIC_FLUSH : No automatic flush
|
|
**
|
|
** Returns TRUE if command succeeded, FALSE if failed
|
|
**
|
|
** NOTE This flush timeout applies to all logical channels active on the
|
|
** ACL link.
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_SetFlushTimeout (BD_ADDR bd_addr, UINT16 flush_tout);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_DataWriteEx
|
|
**
|
|
** Description Higher layers call this function to write data with extended
|
|
** flags.
|
|
** flags : L2CAP_FLUSHABLE_CH_BASED
|
|
** L2CAP_FLUSHABLE_PKT
|
|
** L2CAP_NON_FLUSHABLE_PKT
|
|
**
|
|
** Returns L2CAP_DW_SUCCESS, if data accepted, else FALSE
|
|
** L2CAP_DW_CONGESTED, if data accepted and the channel is congested
|
|
** L2CAP_DW_FAILED, if error
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT8 L2CA_DataWriteEx (UINT16 cid, BT_HDR *p_data, UINT16 flags);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetChnlFlushability
|
|
**
|
|
** Description Higher layers call this function to set a channels
|
|
** flushability flags
|
|
**
|
|
** Returns TRUE if CID found, else FALSE
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_SetChnlFlushability (UINT16 cid, BOOLEAN is_flushable);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_GetPeerFeatures
|
|
**
|
|
** Description Get a peers features and fixed channel map
|
|
**
|
|
** Parameters: BD address of the peer
|
|
** Pointers to features and channel mask storage area
|
|
**
|
|
** Return value: TRUE if peer is connected
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_GetPeerFeatures (BD_ADDR bd_addr, UINT32 *p_ext_feat, UINT8 *p_chnl_mask);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_GetBDAddrbyHandle
|
|
**
|
|
** Description Get BD address for the given HCI handle
|
|
**
|
|
** Parameters: HCI handle
|
|
** BD address of the peer
|
|
**
|
|
** Return value: TRUE if found lcb for the given handle, FALSE otherwise
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_GetBDAddrbyHandle (UINT16 handle, BD_ADDR bd_addr);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_GetChnlFcrMode
|
|
**
|
|
** Description Get the channel FCR mode
|
|
**
|
|
** Parameters: Local CID
|
|
**
|
|
** Return value: Channel mode
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT8 L2CA_GetChnlFcrMode (UINT16 lcid);
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** UCD callback prototypes
|
|
**
|
|
*******************************************************************************/
|
|
|
|
/* UCD discovery. Parameters are
|
|
** BD Address of remote
|
|
** Data Type
|
|
** Data
|
|
*/
|
|
#define L2CAP_UCD_INFO_TYPE_RECEPTION 0x01
|
|
#define L2CAP_UCD_INFO_TYPE_MTU 0x02
|
|
|
|
typedef void (tL2CA_UCD_DISCOVER_CB) (BD_ADDR, UINT8, UINT32);
|
|
|
|
/* UCD data received. Parameters are
|
|
** BD Address of remote
|
|
** Pointer to buffer with data
|
|
*/
|
|
typedef void (tL2CA_UCD_DATA_CB) (BD_ADDR, BT_HDR *);
|
|
|
|
/* Congestion status callback protype. This callback is optional. If
|
|
** an application tries to send data when the transmit queue is full,
|
|
** the data will anyways be dropped. The parameter is:
|
|
** remote BD_ADDR
|
|
** TRUE if congested, FALSE if uncongested
|
|
*/
|
|
typedef void (tL2CA_UCD_CONGESTION_STATUS_CB) (BD_ADDR, BOOLEAN);
|
|
|
|
/* UCD registration info (the callback addresses and PSM)
|
|
*/
|
|
typedef struct
|
|
{
|
|
tL2CA_UCD_DISCOVER_CB *pL2CA_UCD_Discover_Cb;
|
|
tL2CA_UCD_DATA_CB *pL2CA_UCD_Data_Cb;
|
|
tL2CA_UCD_CONGESTION_STATUS_CB *pL2CA_UCD_Congestion_Status_Cb;
|
|
} tL2CAP_UCD_CB_INFO;
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_UcdRegister
|
|
**
|
|
** Description Register PSM on UCD.
|
|
**
|
|
** Parameters: tL2CAP_UCD_CB_INFO
|
|
**
|
|
** Return value: TRUE if successs
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_UcdRegister ( UINT16 psm, tL2CAP_UCD_CB_INFO *p_cb_info );
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_UcdDeregister
|
|
**
|
|
** Description Deregister PSM on UCD.
|
|
**
|
|
** Parameters: PSM
|
|
**
|
|
** Return value: TRUE if successs
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_UcdDeregister ( UINT16 psm );
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_UcdDiscover
|
|
**
|
|
** Description Discover UCD of remote device.
|
|
**
|
|
** Parameters: PSM
|
|
** BD_ADDR of remote device
|
|
** info_type : L2CAP_UCD_INFO_TYPE_RECEPTION
|
|
** L2CAP_UCD_INFO_TYPE_MTU
|
|
**
|
|
**
|
|
** Return value: TRUE if successs
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_UcdDiscover ( UINT16 psm, BD_ADDR rem_bda, UINT8 info_type );
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_UcdDataWrite
|
|
**
|
|
** Description Send UCD to remote device
|
|
**
|
|
** Parameters: PSM
|
|
** BD Address of remote
|
|
** Pointer to buffer of type BT_HDR
|
|
** flags : L2CAP_FLUSHABLE_CH_BASED
|
|
** L2CAP_FLUSHABLE_PKT
|
|
** L2CAP_NON_FLUSHABLE_PKT
|
|
**
|
|
** Return value L2CAP_DW_SUCCESS, if data accepted
|
|
** L2CAP_DW_FAILED, if error
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT16 L2CA_UcdDataWrite (UINT16 psm, BD_ADDR rem_bda, BT_HDR *p_buf, UINT16 flags);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_UcdSetIdleTimeout
|
|
**
|
|
** Description Set UCD Idle timeout.
|
|
**
|
|
** Parameters: BD Addr
|
|
** Timeout in second
|
|
**
|
|
** Return value: TRUE if successs
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_UcdSetIdleTimeout ( BD_ADDR rem_bda, UINT16 timeout );
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_UCDSetTxPriority
|
|
**
|
|
** Description Sets the transmission priority for a connectionless channel.
|
|
**
|
|
** Returns TRUE if a valid channel, else FALSE
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_UCDSetTxPriority ( BD_ADDR rem_bda, tL2CAP_CHNL_PRIORITY priority );
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Fixed Channel callback prototypes
|
|
**
|
|
*******************************************************************************/
|
|
|
|
/* Fixed channel connected and disconnected. Parameters are
|
|
** channel
|
|
** BD Address of remote
|
|
** TRUE if channel is connected, FALSE if disconnected
|
|
** Reason for connection failure
|
|
** transport : physical transport, BR/EDR or LE
|
|
*/
|
|
typedef void (tL2CA_FIXED_CHNL_CB) (UINT16, BD_ADDR, BOOLEAN, UINT16, tBT_TRANSPORT);
|
|
|
|
/* Signalling data received. Parameters are
|
|
** channel
|
|
** BD Address of remote
|
|
** Pointer to buffer with data
|
|
*/
|
|
typedef void (tL2CA_FIXED_DATA_CB) (UINT16, BD_ADDR, BT_HDR *);
|
|
|
|
/* Congestion status callback protype. This callback is optional. If
|
|
** an application tries to send data when the transmit queue is full,
|
|
** the data will anyways be dropped. The parameter is:
|
|
** remote BD_ADDR
|
|
** TRUE if congested, FALSE if uncongested
|
|
*/
|
|
typedef void (tL2CA_FIXED_CONGESTION_STATUS_CB) (BD_ADDR, BOOLEAN);
|
|
|
|
/* Fixed channel registration info (the callback addresses and channel config)
|
|
*/
|
|
typedef struct
|
|
{
|
|
tL2CA_FIXED_CHNL_CB *pL2CA_FixedConn_Cb;
|
|
tL2CA_FIXED_DATA_CB *pL2CA_FixedData_Cb;
|
|
tL2CA_FIXED_CONGESTION_STATUS_CB *pL2CA_FixedCong_Cb;
|
|
tL2CAP_FCR_OPTS fixed_chnl_opts;
|
|
|
|
UINT16 default_idle_tout;
|
|
tL2CA_TX_COMPLETE_CB *pL2CA_FixedTxComplete_Cb; /* fixed channel tx complete callback */
|
|
} tL2CAP_FIXED_CHNL_REG;
|
|
|
|
|
|
#if (L2CAP_NUM_FIXED_CHNLS > 0)
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_RegisterFixedChannel
|
|
**
|
|
** Description Register a fixed channel.
|
|
**
|
|
** Parameters: Fixed Channel #
|
|
** Channel Callbacks and config
|
|
**
|
|
** Return value: TRUE if registered OK
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_RegisterFixedChannel (UINT16 fixed_cid, tL2CAP_FIXED_CHNL_REG *p_freg);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_ConnectFixedChnl
|
|
**
|
|
** Description Connect an fixed signalling channel to a remote device.
|
|
**
|
|
** Parameters: Fixed CID
|
|
** BD Address of remote
|
|
**
|
|
** Return value: TRUE if connection started
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_ConnectFixedChnl (UINT16 fixed_cid, BD_ADDR bd_addr);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SendFixedChnlData
|
|
**
|
|
** Description Write data on a fixed signalling channel.
|
|
**
|
|
** Parameters: Fixed CID
|
|
** BD Address of remote
|
|
** Pointer to buffer of type BT_HDR
|
|
**
|
|
** Return value L2CAP_DW_SUCCESS, if data accepted
|
|
** L2CAP_DW_FAILED, if error
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT16 L2CA_SendFixedChnlData (UINT16 fixed_cid, BD_ADDR rem_bda, BT_HDR *p_buf);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_RemoveFixedChnl
|
|
**
|
|
** Description Remove a fixed channel to a remote device.
|
|
**
|
|
** Parameters: Fixed CID
|
|
** BD Address of remote
|
|
** Idle timeout to use (or 0xFFFF if don't care)
|
|
**
|
|
** Return value: TRUE if channel removed
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_RemoveFixedChnl (UINT16 fixed_cid, BD_ADDR rem_bda);
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|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_SetFixedChannelTout
|
|
**
|
|
** Description Higher layers call this function to set the idle timeout for
|
|
** a fixed channel. The "idle timeout" is the amount of time that
|
|
** a connection can remain up with no L2CAP channels on it.
|
|
** A timeout of zero means that the connection will be torn
|
|
** down immediately when the last channel is removed.
|
|
** A timeout of 0xFFFF means no timeout. Values are in seconds.
|
|
** A bd_addr is the remote BD address. If bd_addr = BT_BD_ANY,
|
|
** then the idle timeouts for all active l2cap links will be
|
|
** changed.
|
|
**
|
|
** Returns TRUE if command succeeded, FALSE if failed
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_SetFixedChannelTout (BD_ADDR rem_bda, UINT16 fixed_cid, UINT16 idle_tout);
|
|
|
|
#endif /* (L2CAP_NUM_FIXED_CHNLS > 0) */
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_GetCurrentConfig
|
|
**
|
|
** Description This function returns configurations of L2CAP channel
|
|
** pp_our_cfg : pointer of our saved configuration options
|
|
** p_our_cfg_bits : valid config in bitmap
|
|
** pp_peer_cfg: pointer of peer's saved configuration options
|
|
** p_peer_cfg_bits : valid config in bitmap
|
|
**
|
|
** Returns TRUE if successful
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_GetCurrentConfig (UINT16 lcid,
|
|
tL2CAP_CFG_INFO **pp_our_cfg, tL2CAP_CH_CFG_BITS *p_our_cfg_bits,
|
|
tL2CAP_CFG_INFO **pp_peer_cfg, tL2CAP_CH_CFG_BITS *p_peer_cfg_bits);
|
|
|
|
#if (BLE_INCLUDED == TRUE)
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_CancelBleConnectReq
|
|
**
|
|
** Description Cancel a pending connection attempt to a BLE device.
|
|
**
|
|
** Parameters: BD Address of remote
|
|
**
|
|
** Return value: TRUE if connection was cancelled
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_CancelBleConnectReq (BD_ADDR rem_bda);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_UpdateBleConnParams
|
|
**
|
|
** Description Update BLE connection parameters.
|
|
**
|
|
** Parameters: BD Address of remote
|
|
**
|
|
** Return value: TRUE if update started
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_UpdateBleConnParams (BD_ADDR rem_bdRa, UINT16 min_int,
|
|
UINT16 max_int, UINT16 latency, UINT16 timeout);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_EnableUpdateBleConnParams
|
|
**
|
|
** Description Update BLE connection parameters.
|
|
**
|
|
** Parameters: BD Address of remote
|
|
** enable flag
|
|
**
|
|
** Return value: TRUE if update started
|
|
**
|
|
*******************************************************************************/
|
|
extern BOOLEAN L2CA_EnableUpdateBleConnParams (BD_ADDR rem_bda, BOOLEAN enable);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_GetBleConnRole
|
|
**
|
|
** Description This function returns the connection role.
|
|
**
|
|
** Returns link role.
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT8 L2CA_GetBleConnRole (BD_ADDR bd_addr);
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function L2CA_GetDisconnectReason
|
|
**
|
|
** Description This function returns the disconnect reason code.
|
|
**
|
|
** Parameters: BD Address of remote
|
|
** Physical transport for the L2CAP connection (BR/EDR or LE)
|
|
**
|
|
** Returns disconnect reason
|
|
**
|
|
*******************************************************************************/
|
|
extern UINT16 L2CA_GetDisconnectReason (BD_ADDR remote_bda, tBT_TRANSPORT transport);
|
|
|
|
#endif /* (BLE_INCLUDED == TRUE) */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* L2C_API_H */
|