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/******************************************************************************
*
* Copyright (C) 2004-2012 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 is the private interface file for the BTA data gateway.
*
******************************************************************************/
#ifndef BTA_PAN_INT_H
#define BTA_PAN_INT_H
#include "bta_sys.h"
#include "bta_pan_api.h"
/*****************************************************************************
** Constants
*****************************************************************************/
/* PAN events */
enum
{
/* these events are handled by the state machine */
BTA_PAN_API_CLOSE_EVT = BTA_SYS_EVT_START(BTA_ID_PAN),
BTA_PAN_CI_TX_READY_EVT,
BTA_PAN_CI_RX_READY_EVT,
BTA_PAN_CI_TX_FLOW_EVT,
BTA_PAN_CI_RX_WRITE_EVT,
BTA_PAN_CI_RX_WRITEBUF_EVT,
BTA_PAN_CONN_OPEN_EVT,
BTA_PAN_CONN_CLOSE_EVT,
BTA_PAN_BNEP_FLOW_ENABLE_EVT,
BTA_PAN_RX_FROM_BNEP_READY_EVT,
/* these events are handled outside of the state machine */
BTA_PAN_API_ENABLE_EVT,
BTA_PAN_API_DISABLE_EVT,
BTA_PAN_API_SET_ROLE_EVT,
BTA_PAN_API_OPEN_EVT
};
/*****************************************************************************
** Data types
*****************************************************************************/
/* data type for BTA_PAN_API_ENABLE_EVT */
typedef struct
{
BT_HDR hdr; /* Event header */
tBTA_PAN_CBACK *p_cback; /* PAN callback function */
} tBTA_PAN_API_ENABLE;
/* data type for BTA_PAN_API_REG_ROLE_EVT */
typedef struct
{
BT_HDR hdr; /* Event header */
char user_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */
char gn_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */
char nap_name[BTA_SERVICE_NAME_LEN+1]; /* Service name */
tBTA_PAN_ROLE role;
UINT8 user_app_id;
UINT8 gn_app_id;
UINT8 nap_app_id;
tBTA_SEC user_sec_mask; /* Security mask */
tBTA_SEC gn_sec_mask; /* Security mask */
tBTA_SEC nap_sec_mask; /* Security mask */
} tBTA_PAN_API_SET_ROLE;
/* data type for BTA_PAN_API_OPEN_EVT */
typedef struct
{
BT_HDR hdr; /* Event header */
tBTA_PAN_ROLE local_role; /* local role */
tBTA_PAN_ROLE peer_role; /* peer role */
BD_ADDR bd_addr; /* peer bdaddr */
} tBTA_PAN_API_OPEN;
/* data type for BTA_PAN_CI_TX_FLOW_EVT */
typedef struct
{
BT_HDR hdr; /* Event header */
BOOLEAN enable; /* Flow control setting */
} tBTA_PAN_CI_TX_FLOW;
/* data type for BTA_PAN_CONN_OPEN_EVT */
typedef struct
{
BT_HDR hdr; /* Event header */
tPAN_RESULT result;
} tBTA_PAN_CONN;
/* union of all data types */
typedef union
{
BT_HDR hdr;
tBTA_PAN_API_ENABLE api_enable;
tBTA_PAN_API_SET_ROLE api_set_role;
tBTA_PAN_API_OPEN api_open;
tBTA_PAN_CI_TX_FLOW ci_tx_flow;
tBTA_PAN_CONN conn;
} tBTA_PAN_DATA;
/* state machine control block */
typedef struct
{
BD_ADDR bd_addr; /* peer bdaddr */
BUFFER_Q data_queue; /* Queue of buffers waiting to be passed to application */
UINT16 handle; /* BTA PAN/BNEP handle */
BOOLEAN in_use; /* scb in use */
tBTA_SEC sec_mask; /* Security mask */
BOOLEAN pan_flow_enable;/* BNEP flow control state */
BOOLEAN app_flow_enable;/* Application flow control state */
UINT8 state; /* State machine state */
tBTA_PAN_ROLE local_role; /* local role */
tBTA_PAN_ROLE peer_role; /* peer role */
UINT8 app_id; /* application id for the connection */
} tBTA_PAN_SCB;
/* main control block */
typedef struct
{
tBTA_PAN_SCB scb[BTA_PAN_NUM_CONN]; /* state machine control blocks */
tBTA_PAN_CBACK *p_cback; /* PAN callback function */
UINT8 app_id[3]; /* application id for PAN roles */
UINT8 flow_mask; /* Data flow mask */
UINT8 q_level; /* queue level set by application for TX data */
} tBTA_PAN_CB;
/* pan data param */
typedef struct
{
BT_HDR hdr;
BD_ADDR src;
BD_ADDR dst;
UINT16 protocol;
BOOLEAN ext;
BOOLEAN forward;
} tBTA_PAN_DATA_PARAMS;
/*****************************************************************************
** Global data
*****************************************************************************/
/* PAN control block */
#if BTA_DYNAMIC_MEMORY == FALSE
extern tBTA_PAN_CB bta_pan_cb;
#else
extern tBTA_PAN_CB *bta_pan_cb_ptr;
#define bta_pan_cb (*bta_pan_cb_ptr)
#endif
/*****************************************************************************
** Function prototypes
*****************************************************************************/
extern tBTA_PAN_SCB *bta_pan_scb_alloc(void);
extern void bta_pan_scb_dealloc(tBTA_PAN_SCB *p_scb);
extern UINT8 bta_pan_scb_to_idx(tBTA_PAN_SCB *p_scb);
extern tBTA_PAN_SCB *bta_pan_scb_by_handle(UINT16 handle);
extern BOOLEAN bta_pan_hdl_event(BT_HDR *p_msg);
/* action functions */
extern void bta_pan_enable(tBTA_PAN_DATA *p_data);
extern void bta_pan_disable(void);
extern void bta_pan_set_role(tBTA_PAN_DATA *p_data);
extern void bta_pan_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_api_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_set_shutdown(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_rx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_tx_path(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_tx_flow(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_conn_open(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_conn_close(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_writebuf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_write_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
extern void bta_pan_free_buf(tBTA_PAN_SCB *p_scb, tBTA_PAN_DATA *p_data);
#endif /* BTA_PAN_INT_H */
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