upload android base code part6
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android/system/bt/stack/mcap/mca_int.h
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370
android/system/bt/stack/mcap/mca_int.h
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/******************************************************************************
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*
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* Copyright (C) 2009-2012 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 interfaces which are internal to MCAP.
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*
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******************************************************************************/
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#ifndef MCA_INT_H
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#define MCA_INT_H
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#include "bt_common.h"
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#include "mca_api.h"
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#include "osi/include/alarm.h"
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/*****************************************************************************
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* constants
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****************************************************************************/
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/* INT initiates the L2CAP channel */
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#define MCA_ACP 0
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#define MCA_INT 1
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/*****************************************************************************
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* Type Definitions
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****************************************************************************/
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/* Header structure for api/received request/response. */
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typedef struct {
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BT_HDR hdr; /* layer specific information */
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uint8_t op_code; /* the request/response opcode */
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uint8_t rsp_code; /* valid only if op_code is a response */
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uint16_t mdl_id; /* the MDL ID associated with this request/response */
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uint8_t param; /* other parameter */
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uint8_t mdep_id; /* the MDEP ID associated with this request/response */
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/* tMCA_HANDLE rcb_idx; For internal use only */
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/* tMCA_CL ccb_idx; For internal use only */
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tMCA_DL dcb_idx; /* For internal use only */
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} tMCA_CCB_MSG;
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/* This data structure is for AVDT_OPEN_IND_EVT and AVDT_OPEN_CFM_EVT. */
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typedef struct {
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BT_HDR hdr; /* Event header */
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uint16_t peer_mtu; /* Transport channel L2CAP MTU of the peer */
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uint16_t lcid; /* L2CAP LCID */
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uint8_t param;
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} tMCA_OPEN;
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typedef struct {
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uint16_t reason; /* disconnect reason from L2CAP */
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uint8_t param; /* MCA_INT or MCA_ACP */
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uint16_t lcid; /* L2CAP LCID */
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} tMCA_CLOSE;
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/* Header structure for state machine event parameters. */
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typedef union {
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BT_HDR hdr; /* layer specific information */
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tMCA_CCB_MSG api;
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bool llcong;
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uint8_t param;
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tMCA_OPEN open;
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tMCA_CLOSE close;
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} tMCA_CCB_EVT;
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/* control channel states */
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enum {
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MCA_CCB_NULL_ST, /* not allocated */
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MCA_CCB_OPENING_ST,
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MCA_CCB_OPEN_ST, /* open */
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MCA_CCB_CLOSING_ST, /* disconnecting */
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MCA_CCB_MAX_ST
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};
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typedef uint8_t tMCA_CCB_STATE;
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/* control channel events */
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enum {
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MCA_CCB_API_CONNECT_EVT, /* application initiates a connect request. */
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MCA_CCB_API_DISCONNECT_EVT, /* application initiates a disconnect request. */
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MCA_CCB_API_REQ_EVT, /* application initiates a request. The request may be
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create_mdl, delete_mdl, reconnect_mdl or abort_mdl. */
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MCA_CCB_API_RSP_EVT, /* application initiates a create_mdl or reconnect_mdl
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response. */
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MCA_CCB_MSG_REQ_EVT, /* a create_mdl, delete_mdl, reconnect_mdl or abort_mdl
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request message is received from the peer. */
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MCA_CCB_MSG_RSP_EVT, /* Response received event. This event is sent whenever
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a response message is received for an outstanding
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request message. */
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MCA_CCB_DL_OPEN_EVT, /* data channel open. */
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MCA_CCB_LL_OPEN_EVT, /* Lower layer open. This event is sent when the lower
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layer channel is open. */
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MCA_CCB_LL_CLOSE_EVT, /* Lower layer close. This event is sent when the lower
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layer channel is closed. */
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MCA_CCB_LL_CONG_EVT, /* Lower layer congestion. This event is sent when the
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lower layer is congested. */
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MCA_CCB_RSP_TOUT_EVT /* time out for waiting the message response on the
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control channel */
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};
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/* Header structure for callback event parameters. */
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typedef union {
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tMCA_OPEN open;
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tMCA_CLOSE close;
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BT_HDR hdr; /* layer specific information */
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BT_HDR* p_pkt;
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bool llcong;
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uint16_t mdl_id; /* the MDL ID associated with this request/response */
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/* tMCA_HANDLE rcb_idx; For internal use only */
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/* tMCA_CL ccb_idx; For internal use only */
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/* tMCA_DL dcb_idx; For internal use only */
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} tMCA_DCB_EVT;
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/* data channel states */
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enum {
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MCA_DCB_NULL_ST, /* not allocated */
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MCA_DCB_OPENING_ST, /* create/reconnect sequence is successful, waiting for
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data channel connection */
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MCA_DCB_OPEN_ST, /* open */
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MCA_DCB_CLOSING_ST, /* disconnecting */
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MCA_DCB_MAX_ST
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};
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typedef uint8_t tMCA_DCB_STATE;
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/* data channel events */
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enum {
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MCA_DCB_API_CLOSE_EVT, /* This event is sent when the application wants to
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disconnect the data channel.*/
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MCA_DCB_API_WRITE_EVT, /* This event is sent when the application wants to
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send a data packet to the peer.*/
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MCA_DCB_TC_OPEN_EVT, /* Transport Channel open. This event is sent when the
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channel is open.*/
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MCA_DCB_TC_CLOSE_EVT, /* Transport Channel close.*/
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MCA_DCB_TC_CONG_EVT, /* Transport Channel congestion status.*/
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MCA_DCB_TC_DATA_EVT /* This event is sent when a data packet is received from
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the peer.*/
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};
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/* "states" used in transport channel table */
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#define MCA_TC_ST_UNUSED 0 /* Unused - unallocated */
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#define MCA_TC_ST_IDLE 1 /* No connection */
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#define MCA_TC_ST_ACP 2 /* Waiting to accept a connection */
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#define MCA_TC_ST_INT 3 /* Initiating a connection */
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#define MCA_TC_ST_CONN 4 /* Waiting for connection confirm */
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#define MCA_TC_ST_CFG 5 /* Waiting for configuration complete */
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#define MCA_TC_ST_OPEN 6 /* Channel opened */
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#define MCA_TC_ST_SEC_INT 7 /* Security process as INT */
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#define MCA_TC_ST_SEC_ACP 8 /* Security process as ACP */
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/* Configuration flags. tMCA_TC_TBL.cfg_flags */
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#define MCA_L2C_CFG_IND_DONE (1 << 0)
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#define MCA_L2C_CFG_CFM_DONE (1 << 1)
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#define MCA_L2C_CFG_CONN_INT (1 << 2)
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#define MCA_L2C_CFG_CONN_ACP (1 << 3)
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#define MCA_L2C_CFG_DISCN_INT (1 << 4)
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#define MCA_L2C_CFG_DISCN_ACP (1 << 5)
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#define MCA_CTRL_TCID 0 /* to identify control channel by tMCA_TC_TBL.tcid */
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/* transport channel table */
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typedef struct {
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uint16_t peer_mtu; /* L2CAP mtu of the peer device */
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uint16_t my_mtu; /* Our MTU for this channel */
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uint16_t lcid; /* L2CAP LCID */
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uint8_t tcid; /* transport channel id (0, for control channel. (MDEP ID + 1)
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for data channel) */
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tMCA_DL cb_idx; /* 1-based index to ccb or dcb */
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uint8_t state; /* transport channel state */
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uint8_t cfg_flags; /* L2CAP configuration flags */
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uint8_t id; /* L2CAP id sent by peer device (need this to handle security
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pending) */
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} tMCA_TC_TBL;
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/* transport control block */
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typedef struct {
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tMCA_TC_TBL tc_tbl[MCA_NUM_TC_TBL];
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uint8_t lcid_tbl[MAX_L2CAP_CHANNELS]; /* map LCID to tc_tbl index */
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} tMCA_TC;
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/* registration control block */
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typedef struct {
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tMCA_REG reg; /* the parameter at register */
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tMCA_CS dep[MCA_NUM_DEPS]; /* the registration info for each MDEP */
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tMCA_CTRL_CBACK* p_cback; /* control callback function */
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} tMCA_RCB;
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enum {
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MCA_CCB_STAT_NORM, /* normal operation (based on ccb state) */
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MCA_CCB_STAT_PENDING, /* waiting for data channel */
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MCA_CCB_STAT_RECONN, /* reinitiate connection after transitioning from CLOSING
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to IDLE state */
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MCA_CCB_STAT_DISC /* MCA_DisconnectReq or MCA_Deregister is called. waiting
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for all associated CL and DL to detach */
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};
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typedef uint8_t tMCA_CCB_STAT;
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/* control channel control block */
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/* the ccbs association with the rcbs
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* ccb[0] ...ccb[MCA_NUM_LINKS*1-1] -> rcb[0]
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* ccb[MCA_NUM_LINKS*1]...ccb[MCA_NUM_LINKS*2-1] -> rcb[1]
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* ccb[MCA_NUM_LINKS*2]...ccb[MCA_NUM_LINKS*3-1] -> rcb[2]
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*/
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typedef struct {
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tMCA_RCB* p_rcb; /* the associated registration control block */
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alarm_t* mca_ccb_timer; /* MCA CCB timer entry */
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tMCA_CCB_MSG* p_tx_req; /* Current request being sent/awaiting response */
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tMCA_CCB_MSG* p_rx_msg; /* Current message received/being processed */
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RawAddress peer_addr; /* BD address of peer */
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uint16_t sec_mask; /* Security mask for connections as initiator */
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uint16_t ctrl_vpsm; /* The virtual PSM that peer is listening for control
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channel */
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uint16_t
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data_vpsm; /* The virtual PSM that peer is listening for data channel. */
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uint16_t lcid; /* L2CAP lcid for this control channel */
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uint8_t state; /* The CCB state machine state */
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bool cong; /* Whether control channel is congested */
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tMCA_CCB_STAT status; /* see tMCA_CCB_STAT */
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} tMCA_CCB;
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typedef void (*tMCA_CCB_ACTION)(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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enum {
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MCA_DCB_STAT_NORM, /* normal operation (based on dcb state) */
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MCA_DCB_STAT_DEL, /* MCA_Delete is called. waiting for the DL to detach */
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MCA_DCB_STAT_DISC /* MCA_CloseReq is called. waiting for the DL to detach */
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};
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typedef uint8_t tMCA_DCB_STAT;
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/* data channel control block */
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/* the dcbs association with the ccbs
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* dcb[0] ...dcb[MCA_NUM_MDLS*1-1] -> ccb[0]
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* dcb[MCA_NUM_MDLS*1]...dcb[MCA_NUM_MDLS*2-1] -> ccb[1]
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* dcb[MCA_NUM_MDLS*2]...dcb[MCA_NUM_MDLS*3-1] -> ccb[2]
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*
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* the dcbs association with the rcbs
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* dcb[0]
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* ...dcb[MCA_NUM_MDLS*1*MCA_NUM_LINKS*1-1] -> rcb[0]
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* dcb[MCA_NUM_MDLS*1*MCA_NUM_LINKS*1]
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* ...dcb[MCA_NUM_MDLS*2*MCA_NUM_LINKS*2-1] -> rcb[1]
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* dcb[MCA_NUM_MDLS*2*MCA_NUM_LINKS*2]
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* ...dcb[MCA_NUM_MDLS*3*MCA_NUM_LINKS*3-1] -> rcb[2]
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*/
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typedef struct {
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tMCA_CCB* p_ccb; /* the associated control control block */
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BT_HDR* p_data; /* data packet held due to L2CAP channel congestion */
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tMCA_CS* p_cs; /* the associated MDEP info. p_cs->type is the mdep id(internal
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use) */
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const tMCA_CHNL_CFG* p_chnl_cfg; /* cfg params for L2CAP channel */
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uint16_t mdl_id; /* the MDL ID for this data channel */
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uint16_t lcid; /* L2CAP lcid */
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uint8_t state; /* The DCB state machine state */
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bool cong; /* Whether data channel is congested */
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tMCA_DCB_STAT status; /* see tMCA_DCB_STAT */
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} tMCA_DCB;
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typedef void (*tMCA_DCB_ACTION)(tMCA_DCB* p_ccb, tMCA_DCB_EVT* p_data);
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/* Control block for MCA */
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typedef struct {
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tMCA_RCB rcb[MCA_NUM_REGS]; /* registration control block */
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tMCA_CCB ccb[MCA_NUM_CCBS]; /* control channel control blocks */
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tMCA_DCB dcb[MCA_NUM_DCBS]; /* data channel control blocks */
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tMCA_TC tc; /* transport control block */
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uint8_t trace_level; /* trace level */
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} tMCA_CB;
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/* csm functions */
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extern void mca_ccb_event(tMCA_CCB* p_ccb, uint8_t event, tMCA_CCB_EVT* p_data);
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extern tMCA_CCB* mca_ccb_by_bd(tMCA_HANDLE handle, const RawAddress& bd_addr);
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extern tMCA_CCB* mca_ccb_alloc(tMCA_HANDLE handle, const RawAddress& bd_addr);
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extern void mca_ccb_rsp_tout(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern void mca_ccb_dealloc(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern tMCA_CL mca_ccb_to_hdl(tMCA_CCB* p_ccb);
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extern tMCA_CCB* mca_ccb_by_hdl(tMCA_CL mcl);
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extern bool mca_ccb_uses_mdl_id(tMCA_CCB* p_ccb, uint16_t mdl_id);
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/* cact functions */
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extern void mca_ccb_report_event(tMCA_CCB* p_ccb, uint8_t event,
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tMCA_CTRL* p_data);
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extern void mca_ccb_free_msg(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern void mca_ccb_snd_req(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern void mca_ccb_snd_rsp(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern void mca_ccb_do_disconn(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern void mca_ccb_cong(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern void mca_ccb_hdl_req(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern void mca_ccb_hdl_rsp(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern void mca_ccb_ll_open(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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extern void mca_ccb_dl_open(tMCA_CCB* p_ccb, tMCA_CCB_EVT* p_data);
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/* dsm functions */
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extern void mca_dcb_event(tMCA_DCB* p_dcb, uint8_t event, tMCA_DCB_EVT* p_data);
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extern tMCA_DCB* mca_dcb_alloc(tMCA_CCB* p_ccb, tMCA_DEP dep);
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extern uint8_t mca_dep_free_mdl(tMCA_CCB* p_ccb, tMCA_DEP dep);
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extern void mca_dcb_dealloc(tMCA_DCB* p_dcb, tMCA_DCB_EVT* p_data);
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extern tMCA_DL mca_dcb_to_hdl(tMCA_DCB* p_dcb);
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extern tMCA_DCB* mca_dcb_by_hdl(tMCA_DL hdl);
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extern void mca_dcb_close_by_mdl_id(tMCA_CCB* p_ccb, uint16_t mdl_id);
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/* dact functions */
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extern void mca_dcb_tc_open(tMCA_DCB* p_dcb, tMCA_DCB_EVT* p_data);
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extern void mca_dcb_cong(tMCA_DCB* p_dcb, tMCA_DCB_EVT* p_data);
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extern void mca_dcb_free_data(tMCA_DCB* p_dcb, tMCA_DCB_EVT* p_data);
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extern void mca_dcb_do_disconn(tMCA_DCB* p_dcb, tMCA_DCB_EVT* p_data);
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extern void mca_dcb_snd_data(tMCA_DCB* p_dcb, tMCA_DCB_EVT* p_data);
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extern void mca_dcb_hdl_data(tMCA_DCB* p_dcb, tMCA_DCB_EVT* p_data);
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/* main/utils functions */
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extern tMCA_HANDLE mca_handle_by_cpsm(uint16_t psm);
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extern tMCA_HANDLE mca_handle_by_dpsm(uint16_t psm);
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extern tMCA_TC_TBL* mca_tc_tbl_calloc(tMCA_CCB* p_ccb);
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extern tMCA_TC_TBL* mca_tc_tbl_dalloc(tMCA_DCB* p_dcb);
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extern tMCA_TC_TBL* mca_tc_tbl_by_lcid(uint16_t lcid);
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extern void mca_free_tc_tbl_by_lcid(uint16_t lcid);
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extern void mca_set_cfg_by_tbl(tL2CAP_CFG_INFO* p_cfg, tMCA_TC_TBL* p_tbl);
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extern void mca_tc_close_ind(tMCA_TC_TBL* p_tbl, uint16_t reason);
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extern void mca_tc_open_ind(tMCA_TC_TBL* p_tbl);
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extern void mca_tc_cong_ind(tMCA_TC_TBL* p_tbl, bool is_congested);
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extern void mca_tc_data_ind(tMCA_TC_TBL* p_tbl, BT_HDR* p_buf);
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extern tMCA_RCB* mca_rcb_alloc(tMCA_REG* p_reg);
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extern void mca_rcb_dealloc(tMCA_HANDLE handle);
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extern tMCA_HANDLE mca_rcb_to_handle(tMCA_RCB* p_rcb);
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extern tMCA_RCB* mca_rcb_by_handle(tMCA_HANDLE handle);
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extern bool mca_is_valid_dep_id(tMCA_RCB* p_rcb, tMCA_DEP dep);
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extern void mca_ccb_timer_timeout(void* data);
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extern void mca_stop_timer(tMCA_CCB* p_ccb);
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/* l2c functions */
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extern uint16_t mca_l2c_open_req(const RawAddress& bd_addr, uint16_t PSM,
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const tMCA_CHNL_CFG* p_chnl_cfg);
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/* callback function declarations */
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extern void mca_l2c_cconn_ind_cback(const RawAddress& bd_addr, uint16_t lcid,
|
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uint16_t psm, uint8_t id);
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||||
extern void mca_l2c_dconn_ind_cback(const RawAddress& bd_addr, uint16_t lcid,
|
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uint16_t psm, uint8_t id);
|
||||
extern void mca_l2c_connect_cfm_cback(uint16_t lcid, uint16_t result);
|
||||
extern void mca_l2c_config_cfm_cback(uint16_t lcid, tL2CAP_CFG_INFO* p_cfg);
|
||||
extern void mca_l2c_config_ind_cback(uint16_t lcid, tL2CAP_CFG_INFO* p_cfg);
|
||||
extern void mca_l2c_disconnect_ind_cback(uint16_t lcid, bool ack_needed);
|
||||
extern void mca_l2c_disconnect_cfm_cback(uint16_t lcid, uint16_t result);
|
||||
extern void mca_l2c_congestion_ind_cback(uint16_t lcid, bool is_congested);
|
||||
extern void mca_l2c_data_ind_cback(uint16_t lcid, BT_HDR* p_buf);
|
||||
|
||||
/*****************************************************************************
|
||||
* global data
|
||||
****************************************************************************/
|
||||
|
||||
/******************************************************************************
|
||||
* Main Control Block
|
||||
******************************************************************************/
|
||||
extern tMCA_CB mca_cb;
|
||||
|
||||
/* L2CAP callback registration structure */
|
||||
extern const tL2CAP_APPL_INFO mca_l2c_int_appl;
|
||||
extern const tL2CAP_FCR_OPTS mca_l2c_fcr_opts_def;
|
||||
extern const uint8_t mca_std_msg_len[];
|
||||
|
||||
#endif /* MCA_INT_H */
|
||||
Loading…
Add table
Add a link
Reference in a new issue