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https://github.com/0xFEEDC0DE64/arduino-esp32.git
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66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 1999-2012 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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#ifndef _GKI_COMMON_H_
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#define _GKI_COMMON_H_
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#include "gki.h"
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typedef struct _buffer_hdr {
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struct _buffer_hdr *p_next; /* next buffer in the queue */
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UINT8 q_id; /* id of the queue */
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UINT8 status; /* FREE, UNLINKED or QUEUED */
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UINT8 Type;
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UINT16 size;
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} BUFFER_HDR_T;
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typedef struct _free_queue {
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BUFFER_HDR_T *_p_first; /* first buffer in the queue */
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BUFFER_HDR_T *_p_last; /* last buffer in the queue */
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UINT16 size; /* size of the buffers in the pool */
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UINT16 total; /* toatal number of buffers */
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UINT16 cur_cnt; /* number of buffers currently allocated */
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UINT16 max_cnt; /* maximum number of buffers allocated at any time */
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} FREE_QUEUE_T;
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/* Put all GKI variables into one control block
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*/
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typedef struct {
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/* Define the buffer pool management variables
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*/
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FREE_QUEUE_T freeq[GKI_NUM_TOTAL_BUF_POOLS];
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UINT16 pool_buf_size[GKI_NUM_TOTAL_BUF_POOLS];
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/* Define the buffer pool start addresses
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*/
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UINT8 *pool_start[GKI_NUM_TOTAL_BUF_POOLS]; /* array of pointers to the start of each buffer pool */
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UINT8 *pool_end[GKI_NUM_TOTAL_BUF_POOLS]; /* array of pointers to the end of each buffer pool */
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UINT16 pool_size[GKI_NUM_TOTAL_BUF_POOLS]; /* actual size of the buffers in a pool */
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/* Define the buffer pool access control variables */
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UINT16 pool_access_mask; /* Bits are set if the corresponding buffer pool is a restricted pool */
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} tGKI_COM_CB;
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/* Internal GKI function prototypes
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*/
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void gki_buffer_init(void);
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void gki_buffer_cleanup(void);
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#endif /*_GKI_COMMON_H_*/
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