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arduino-esp32/tools/sdk/include/bluedroid/avct_int.h
me-no-dev ba929be27a Update IDF to 9a26296
2017-09-12 09:40:52 +03:00

238 lines
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/******************************************************************************
*
* Copyright (C) 2003-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains interfaces which are internal to AVCTP.
*
******************************************************************************/
#ifndef AVCT_INT_H
#define AVCT_INT_H
#include "avct_api.h"
#include "avct_defs.h"
#include "l2c_api.h"
#include "fixed_queue.h"
/*****************************************************************************
** constants
*****************************************************************************/
/* lcb state machine events */
enum {
AVCT_LCB_UL_BIND_EVT,
AVCT_LCB_UL_UNBIND_EVT,
AVCT_LCB_UL_MSG_EVT,
AVCT_LCB_INT_CLOSE_EVT,
AVCT_LCB_LL_OPEN_EVT,
AVCT_LCB_LL_CLOSE_EVT,
AVCT_LCB_LL_MSG_EVT,
AVCT_LCB_LL_CONG_EVT
};
/* "states" used for L2CAP channel */
#define AVCT_CH_IDLE 0 /* No connection */
#define AVCT_CH_CONN 1 /* Waiting for connection confirm */
#define AVCT_CH_CFG 2 /* Waiting for configuration complete */
#define AVCT_CH_OPEN 3 /* Channel opened */
/* "no event" indicator used by ccb dealloc */
#define AVCT_NO_EVT 0xFF
/*****************************************************************************
** data types
*****************************************************************************/
/* sub control block type - common data members for tAVCT_LCB and tAVCT_BCB */
typedef struct {
UINT16 peer_mtu; /* peer l2c mtu */
UINT16 ch_result; /* L2CAP connection result value */
UINT16 ch_lcid; /* L2CAP channel LCID */
UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
UINT8 state; /* The state machine state */
UINT8 ch_state; /* L2CAP channel state */
UINT8 ch_flags; /* L2CAP configuration flags */
} tAVCT_SCB;
/* link control block type */
typedef struct {
UINT16 peer_mtu; /* peer l2c mtu */
UINT16 ch_result; /* L2CAP connection result value */
UINT16 ch_lcid; /* L2CAP channel LCID */
UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
UINT8 state; /* The state machine state */
UINT8 ch_state; /* L2CAP channel state */
UINT8 ch_flags; /* L2CAP configuration flags */
BT_HDR *p_rx_msg; /* Message being reassembled */
UINT16 conflict_lcid; /* L2CAP channel LCID */
BD_ADDR peer_addr; /* BD address of peer */
fixed_queue_t *tx_q; /* Transmit data buffer queue */
BOOLEAN cong; /* TRUE, if congested */
} tAVCT_LCB;
/* browse control block type */
typedef struct {
UINT16 peer_mtu; /* peer l2c mtu */
UINT16 ch_result; /* L2CAP connection result value */
UINT16 ch_lcid; /* L2CAP channel LCID */
UINT8 allocated; /* 0, not allocated. index+1, otherwise. */
UINT8 state; /* The state machine state */
UINT8 ch_state; /* L2CAP channel state */
UINT8 ch_flags; /* L2CAP configuration flags */
BT_HDR *p_tx_msg; /* Message to be sent - in case the browsing channel is not open when MsgReg is called */
UINT8 ch_close; /* CCB index+1, if CCB initiated channel close */
} tAVCT_BCB;
#define AVCT_ALOC_LCB 0x01
#define AVCT_ALOC_BCB 0x02
/* connection control block */
typedef struct {
tAVCT_CC cc; /* parameters from connection creation */
tAVCT_LCB *p_lcb; /* Associated LCB */
tAVCT_BCB *p_bcb; /* associated BCB */
BOOLEAN ch_close; /* Whether CCB initiated channel close */
UINT8 allocated; /* Whether LCB/BCB is allocated */
} tAVCT_CCB;
/* data type associated with UL_MSG_EVT */
typedef struct {
BT_HDR *p_buf;
tAVCT_CCB *p_ccb;
UINT8 label;
UINT8 cr;
} tAVCT_UL_MSG;
/* union associated with lcb state machine events */
typedef union {
tAVCT_UL_MSG ul_msg;
BT_HDR *p_buf;
tAVCT_CCB *p_ccb;
UINT16 result;
BOOLEAN cong;
UINT8 err_code;
} tAVCT_LCB_EVT;
/* Control block for AVCT */
typedef struct {
tAVCT_LCB lcb[AVCT_NUM_LINKS]; /* link control blocks */
tAVCT_BCB bcb[AVCT_NUM_LINKS]; /* browse control blocks */
tAVCT_CCB ccb[AVCT_NUM_CONN]; /* connection control blocks */
UINT16 mtu; /* our L2CAP MTU */
UINT16 mtu_br; /* our L2CAP MTU for the Browsing channel */
UINT8 trace_level; /* trace level */
} tAVCT_CB;
/*****************************************************************************
** function declarations
*****************************************************************************/
/* LCB function declarations */
extern void avct_lcb_event(tAVCT_LCB *p_lcb, UINT8 event, tAVCT_LCB_EVT *p_data);
#if (AVCT_BROWSE_INCLUDED == TRUE)
extern void avct_bcb_event(tAVCT_BCB *p_bcb, UINT8 event, tAVCT_LCB_EVT *p_data);
extern void avct_close_bcb(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern tAVCT_LCB *avct_lcb_by_bcb(tAVCT_BCB *p_bcb);
extern tAVCT_BCB *avct_bcb_by_lcb(tAVCT_LCB *p_lcb);
extern BOOLEAN avct_bcb_last_ccb(tAVCT_BCB *p_bcb, tAVCT_CCB *p_ccb_last);
extern tAVCT_BCB *avct_bcb_by_lcid(UINT16 lcid);
#endif
extern tAVCT_LCB *avct_lcb_by_bd(BD_ADDR bd_addr);
extern tAVCT_LCB *avct_lcb_alloc(BD_ADDR bd_addr);
extern void avct_lcb_dealloc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern tAVCT_LCB *avct_lcb_by_lcid(UINT16 lcid);
extern tAVCT_CCB *avct_lcb_has_pid(tAVCT_LCB *p_lcb, UINT16 pid);
extern BOOLEAN avct_lcb_last_ccb(tAVCT_LCB *p_lcb, tAVCT_CCB *p_ccb_last);
/* LCB action functions */
extern void avct_lcb_chnl_open(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_unbind_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_open_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_open_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_close_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_close_cfm(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_bind_conn(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_chk_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_chnl_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_bind_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_cong_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_discard_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_send_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
extern void avct_lcb_free_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data);
/* BCB action functions */
#if (AVCT_BROWSE_INCLUDED == TRUE)
typedef void (*tAVCT_BCB_ACTION)(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_chnl_open(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_unbind_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_open_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_open_fail(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_close_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_close_cfm(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_bind_conn(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_chk_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_chnl_disc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_bind_fail(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_cong_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_discard_msg(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_send_msg(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_msg_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_free_msg_ind(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern void avct_bcb_dealloc(tAVCT_BCB *p_bcb, tAVCT_LCB_EVT *p_data);
extern const tAVCT_BCB_ACTION avct_bcb_action[];
extern const UINT8 avct_lcb_pkt_type_len[];
extern const tL2CAP_FCR_OPTS avct_l2c_br_fcr_opts_def;
#endif
/* CCB function declarations */
extern tAVCT_CCB *avct_ccb_alloc(tAVCT_CC *p_cc);
extern void avct_ccb_dealloc(tAVCT_CCB *p_ccb, UINT8 event, UINT16 result, BD_ADDR bd_addr);
extern UINT8 avct_ccb_to_idx(tAVCT_CCB *p_ccb);
extern tAVCT_CCB *avct_ccb_by_idx(UINT8 idx);
/*****************************************************************************
** global data
*****************************************************************************/
#ifdef __cplusplus
extern "C"
{
#endif
/* Main control block */
#if AVCT_DYNAMIC_MEMORY == FALSE
extern tAVCT_CB avct_cb;
#else
extern tAVCT_CB *avct_cb_ptr;
#define avct_cb (*avct_cb_ptr)
#endif
/* L2CAP callback registration structure */
extern const tL2CAP_APPL_INFO avct_l2c_appl;
#if (AVCT_BROWSE_INCLUDED == TRUE)
extern const tL2CAP_APPL_INFO avct_l2c_br_appl;
#endif
#ifdef __cplusplus
}
#endif
#endif /* AVCT_INT_H */
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