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81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
#ifndef __checksum_h__
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#define __checksum_h__
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/**HEADER********************************************************************
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*
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* Copyright (c) 2008 Freescale Semiconductor;
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* All Rights Reserved
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*
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* Copyright (c) 2004-2008 Embedded Access Inc.;
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* All Rights Reserved
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*
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* Copyright (c) 1989-2008 ARC International;
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* All Rights Reserved
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*
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***************************************************************************
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*
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* THIS SOFTWARE IS PROVIDED BY FREESCALE "AS IS" AND ANY EXPRESSED OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL FREESCALE OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************
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*
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* $FileName: checksum.h$
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* $Version : 3.8.4.0$
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* $Date : Jun-14-2012$
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*
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* Comments:
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*
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* This file contains the IP checksum function prototypes.
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*
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*END************************************************************************/
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/***************************************
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**
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** Code macros
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**
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*/
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#define IP_Sum_invert(s) (((s) == 0xFFFF) ? (s) : ~(s) & 0xFFFF)
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/***************************************
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**
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** Prototypes
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**
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*/
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uint_16 IP_Sum_immediate
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(
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uint_16, /* [IN] initial sum */
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uint_16 /* [IN] number to add to sum */
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);
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uint_16 IP_Sum_PCB
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(
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uint_16, /* [IN] initial sum */
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RTCSPCB_PTR /* [IN] the PCB */
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);
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uint_16 IP_Sum_pseudo
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(
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uint_16, /* [IN] initial sum */
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RTCSPCB_PTR, /* [IN] the PCB */
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int_32 /* [IN] IP layer */
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);
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#if RTCSCFG_ENABLE_IP6
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uint_16 IP6_Sum_pseudo ( uint_16, RTCSPCB_PTR );
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#endif
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#endif
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/* EOF */
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