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//------------------------------------------------------------------------------
// <copyright file="athbtfilter.h" company="Atheros">
// Copyright (c) 2007-2008 Atheros Corporation. All rights reserved.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation;
//
// Software distributed under the License is distributed on an "AS
// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
// implied. See the License for the specific language governing
// rights and limitations under the License.
//
//
//------------------------------------------------------------------------------
//==============================================================================
// Public Bluetooth filter APIs
// Author(s): ="Atheros"
//==============================================================================
#ifndef ATHBTFILTER_H_
#define ATHBTFILTER_H_
typedef enum _ATHBT_HCI_CTRL_TYPE {
ATHBT_HCI_COMMAND = 0,
ATHBT_HCI_EVENT = 1,
} ATHBT_HCI_CTRL_TYPE;
typedef enum _ATHBT_STATE_INDICATION {
ATH_BT_NOOP = 0,
ATH_BT_INQUIRY = 1,
ATH_BT_CONNECT = 2,
ATH_BT_SCO = 3,
ATH_BT_ACL = 4,
ATH_BT_A2DP = 5,
ATH_BT_ESCO = 6,
/* new states go here.. */
ATH_BT_MAX_STATE_INDICATION
} ATHBT_STATE_INDICATION;
/* filter function for OUTGOING commands and INCOMMING events */
typedef void (*ATHBT_FILTER_CMD_EVENTS_FN)(void *pContext, ATHBT_HCI_CTRL_TYPE Type, unsigned char *pBuffer, int Length);
/* filter function for OUTGOING data HCI packets */
typedef void (*ATHBT_FILTER_DATA_FN)(void *pContext, unsigned char *pBuffer, int Length);
typedef enum _ATHBT_STATE {
STATE_OFF = 0,
STATE_ON = 1,
STATE_MAX
} ATHBT_STATE;
/* BT state indication (when filter functions are not used) */
typedef void (*ATHBT_INDICATE_STATE_FN)(void *pContext, ATHBT_STATE_INDICATION Indication, ATHBT_STATE State, unsigned char LMPVersion);
typedef struct _ATHBT_FILTER_INSTANCE {
#ifdef UNDER_CE
WCHAR *pWlanAdapterName; /* filled in by user */
#else
A_CHAR *pWlanAdapterName; /* filled in by user */
#endif /* UNDER_CE */
int FilterEnabled; /* filtering is enabled */
int Attached; /* filter library is attached */
void *pContext; /* private context for filter library */
ATHBT_FILTER_CMD_EVENTS_FN pFilterCmdEvents; /* function ptr to filter a command or event */
ATHBT_FILTER_DATA_FN pFilterAclDataOut; /* function ptr to filter ACL data out (to radio) */
ATHBT_FILTER_DATA_FN pFilterAclDataIn; /* function ptr to filter ACL data in (from radio) */
ATHBT_INDICATE_STATE_FN pIndicateState; /* function ptr to indicate a state */
} ATH_BT_FILTER_INSTANCE;
/* API MACROS */
#define AthBtFilterHciCommand(instance,packet,length) \
if ((instance)->FilterEnabled) { \
(instance)->pFilterCmdEvents((instance)->pContext, \
ATHBT_HCI_COMMAND, \
(unsigned char *)(packet), \
(length)); \
}
#define AthBtFilterHciEvent(instance,packet,length) \
if ((instance)->FilterEnabled) { \
(instance)->pFilterCmdEvents((instance)->pContext, \
ATHBT_HCI_EVENT, \
(unsigned char *)(packet), \
(length)); \
}
#define AthBtFilterHciAclDataOut(instance,packet,length) \
if ((instance)->FilterEnabled) { \
(instance)->pFilterAclDataOut((instance)->pContext, \
(unsigned char *)(packet), \
(length)); \
}
#define AthBtFilterHciAclDataIn(instance,packet,length) \
if ((instance)->FilterEnabled) { \
(instance)->pFilterAclDataIn((instance)->pContext, \
(unsigned char *)(packet), \
(length)); \
}
/* if filtering is not desired, the application can indicate the state directly using this
* macro:
*/
#define AthBtIndicateState(instance,indication,state) \
if ((instance)->FilterEnabled) { \
(instance)->pIndicateState((instance)->pContext, \
(indication), \
(state), \
0); \
}
#ifdef __cplusplus
extern "C" {
#endif
/* API prototypes */
int AthBtFilter_Attach(ATH_BT_FILTER_INSTANCE *pInstance, A_UINT32 flags);
void AthBtFilter_Detach(ATH_BT_FILTER_INSTANCE *pInstance);
#ifdef __cplusplus
}
#endif
#endif /*ATHBTFILTER_H_*/
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