esp-idf/components/bt/bluedroid/gki/include/gki_common.h

66 lines
2.5 KiB
C

/******************************************************************************
*
* Copyright (C) 1999-2012 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.
*
******************************************************************************/
#ifndef _GKI_COMMON_H_
#define _GKI_COMMON_H_
#include "gki.h"
typedef struct _buffer_hdr {
struct _buffer_hdr *p_next; /* next buffer in the queue */
UINT8 q_id; /* id of the queue */
UINT8 status; /* FREE, UNLINKED or QUEUED */
UINT8 Type;
UINT16 size;
} BUFFER_HDR_T;
typedef struct _free_queue {
BUFFER_HDR_T *_p_first; /* first buffer in the queue */
BUFFER_HDR_T *_p_last; /* last buffer in the queue */
UINT16 size; /* size of the buffers in the pool */
UINT16 total; /* toatal number of buffers */
UINT16 cur_cnt; /* number of buffers currently allocated */
UINT16 max_cnt; /* maximum number of buffers allocated at any time */
} FREE_QUEUE_T;
/* Put all GKI variables into one control block
*/
typedef struct {
/* Define the buffer pool management variables
*/
FREE_QUEUE_T freeq[GKI_NUM_TOTAL_BUF_POOLS];
UINT16 pool_buf_size[GKI_NUM_TOTAL_BUF_POOLS];
/* Define the buffer pool start addresses
*/
UINT8 *pool_start[GKI_NUM_TOTAL_BUF_POOLS]; /* array of pointers to the start of each buffer pool */
UINT8 *pool_end[GKI_NUM_TOTAL_BUF_POOLS]; /* array of pointers to the end of each buffer pool */
UINT16 pool_size[GKI_NUM_TOTAL_BUF_POOLS]; /* actual size of the buffers in a pool */
/* Define the buffer pool access control variables */
UINT16 pool_access_mask; /* Bits are set if the corresponding buffer pool is a restricted pool */
} tGKI_COM_CB;
/* Internal GKI function prototypes
*/
void gki_buffer_init(void);
void gki_buffer_cleanup(void);
#endif /*_GKI_COMMON_H_*/