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更新日期: 2022/06/01 来源: https://gitee.com/weharmony/kernel_liteos_a_note
pbuf.h
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/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LWIP_PORTING_PBUF_H_
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#define _LWIP_PORTING_PBUF_H_
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#include_next <lwip/pbuf.h>
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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struct
pbuf_dma_info
{
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void
*
dma
;
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void
*
mac_header
;
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u16_t
dma_len
;
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u16_t
link_len
;
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};
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#define pbuf_dma_ref(dma_info)
// ERR_OK
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#define pbuf_dma_free(dma_info)
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#define dma_info payload
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#ifdef __cplusplus
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}
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#endif
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#endif
/* _LWIP_PORTING_PBUF_H_ */
pbuf_dma_info
Definition:
pbuf.h:41
pbuf_dma_info::dma_len
u16_t dma_len
Definition:
pbuf.h:44
pbuf_dma_info::mac_header
void * mac_header
Definition:
pbuf.h:43
pbuf_dma_info::link_len
u16_t link_len
Definition:
pbuf.h:45
pbuf_dma_info::dma
void * dma
Definition:
pbuf.h:42
net
lwip-2.1
porting
include
lwip
pbuf.h
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