pinebuds/services/bt_profiles_enhanced/inc/co_ppbuff.h
2022-08-15 17:20:27 +08:00

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3.1 KiB
C

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef __CO_PPBUFF_H__
#define __CO_PPBUFF_H__
#include "btlib_type.h"
#include "btlib_more.h"
#include "bt_co_list.h"
/* protocol type */
#define PPB_GET_PROTO_TYPE(ppb) (ppb->flag & 0x0F)
#define PPB_SET_PROTO_TYPE(ppb,type) ppb->flag |= type
#define PP_BUFF_FLAG_NORMAL 0x00 /* normal buffer */
#define PP_BUFF_FLAG_L2CAPE 0x01 /* l2cap enhanced retrans buffer */
/* alloc type */
#define PPB_GET_ALLOC_TYPE(ppb) (ppb->flag & 0xF0)
#define PPB_SET_ALLOC_TYPE(ppb,type) ppb->flag |= type
#define PP_BUFF_FLAG_ALLOC_DYNAMIC 0x10 /* dynamic alloced, free inside */
#define PP_BUFF_FLAG_ALLOC_INPLACE 0x20 /* inplace alloced, free outside */
struct pp_buff {
struct pp_buff *next;
struct pp_buff *prev;
uint16 len;
uint16 flag;
uint8 *head;
uint8 *data;
uint8 *tail;
uint8 *end;
void *context;
#if DBG_PPBUFF_NEED_STATISTIC==1
struct list_node node;
uint32 ca;
#endif
};
struct pp_buff_head {
struct pp_buff *next;
struct pp_buff *prev;
uint32 qlen;
};
#if defined(__cplusplus)
extern "C" {
#endif
struct pp_buff *ppb_alloc(uint32 size);
struct pp_buff *ppb_alloc_inplace(uint32 size, uint8 *inplace_buff, uint32 inplace_buff_len);
void ppb_free( struct pp_buff *ppb);
uint8 *ppb_put(struct pp_buff *ppb, uint32 len);
void ppb_put_data(struct pp_buff *ppb, uint8 *data, uint32 len);
uint8 *ppb_push(struct pp_buff *ppb, uint32 len);
uint8 *ppb_pull(struct pp_buff *ppb, uint32 len);
void ppb_reserve(struct pp_buff *ppb, int len);
void ppb_trim(struct pp_buff *ppb, unsigned int len);
struct pp_buff *ppb_peek(struct pp_buff_head *list_);
struct pp_buff *ppb_peek_tail(struct pp_buff_head *list_);
void ppb_queue_head_init(struct pp_buff_head *list);
void ppb_queue_after(struct pp_buff_head *list, struct pp_buff *prev,struct pp_buff *newpp);
void ppb_queue_head(struct pp_buff_head *list, struct pp_buff *newpp);
void ppb_queue_tail(struct pp_buff_head *list, struct pp_buff *newpp);
struct pp_buff *ppb_dequeue(struct pp_buff_head *list);
void ppb_insert(struct pp_buff *newpp, struct pp_buff *prev, struct pp_buff *next, struct pp_buff_head *list);
void ppb_append(struct pp_buff *old, struct pp_buff *newpp, struct pp_buff_head *list);
void ppb_unlink(struct pp_buff *ppb, struct pp_buff_head *list);
struct pp_buff *ppb_dequeue_tail(struct pp_buff_head *list);
struct pp_buff *ppb_alloc_fixpacket(uint32 size);
void ppb_print_statistic(void);
#if defined(__cplusplus)
}
#endif
#endif /* __CO_PPBUFF_H__ */