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68 lines
2.3 KiB
C
Executable file
68 lines
2.3 KiB
C
Executable file
/***********************************************************************
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*
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* Copyright (c) 2006-2010 Broadcom Corporation
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* All Rights Reserved
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*
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* <:label-BRCM:2011:DUAL/GPL:standard
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed
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* to you under the terms of the GNU General Public License version 2
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* (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php,
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* with the following added to such license:
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*
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* As a special exception, the copyright holders of this software give
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* you permission to link this software with independent modules, and
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* to copy and distribute the resulting executable under terms of your
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* choice, provided that you also meet, for each linked independent
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* module, the terms and conditions of the license of that module.
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* An independent module is a module which is not derived from this
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* software. The special exception does not apply to any modifications
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* of the software.
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*
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* Not withstanding the above, under no circumstances may you combine
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* this software in any way with any other Broadcom software provided
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* under a license other than the GPL, without Broadcom's express prior
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* written consent.
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*
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:>
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*
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************************************************************************/
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#ifndef __GENUTIL_CRC_H__
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#define __GENUTIL_CRC_H__
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/*!\file genutil_crc.h
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* \brief Header file for CRC calculation functions.
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*
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* Also includes some defines for the CRC in front of config files.
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*/
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/** fixed length header in front of crc checked config file */
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#define CRC_CONFIG_HEADER_LENGTH 20
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/** start of the CRC header */
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#define CRC_CONFIG_HEADER "<crc="
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/** Initial CRC checksum value, for use in genUtl_getCrc32.
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*
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* From bcmTag.h.
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*/
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#define CRC_INITIAL_VALUE 0xffffffff
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/** Return the CRC32 value for the given data buffer.
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*
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* @param pdata (IN) data to calculate CRC over.
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* @param len (IN) length of the data.
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* @param crc (IN) initial CRC value, see CRC32_INIT_VALUE
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*
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* @return CRC32 value.
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*/
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unsigned int genUtl_getCrc32(const unsigned char *pdata, unsigned int size, unsigned int crc);
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void genUtl_getCrc32Staged(unsigned int stage, unsigned int *crcAccumP, unsigned char *pBuf,
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unsigned int size);
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#endif /* __GENUTIL_CRC_H__ */
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