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author | Kumar Gala <galak@kernel.crashing.org> | 2006-04-20 12:25:10 -0500 |
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committer | Kumar Gala <galak@kernel.crashing.org> | 2006-04-20 12:25:10 -0500 |
commit | b86d7622b33892b1dafe761a7a9eaeeab9f3816b (patch) | |
tree | 56b1b6fc978166abce4afa8e9dee0af94bfc3cd6 /include/crc.h | |
parent | f8edca2e9a128f526b1fe6f997f7adb852cf5b3c (diff) | |
parent | 56a4a63c106cc317fc0fe42686a99416fc469f5b (diff) | |
download | u-boot-imx-b86d7622b33892b1dafe761a7a9eaeeab9f3816b.zip u-boot-imx-b86d7622b33892b1dafe761a7a9eaeeab9f3816b.tar.gz u-boot-imx-b86d7622b33892b1dafe761a7a9eaeeab9f3816b.tar.bz2 |
Merge branch 'master' of rsync://rsync.denx.de/git/u-boot
Diffstat (limited to 'include/crc.h')
-rw-r--r-- | include/crc.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/crc.h b/include/crc.h new file mode 100644 index 0000000..10560c9 --- /dev/null +++ b/include/crc.h @@ -0,0 +1,100 @@ +/* + *========================================================================== + * + * crc.h + * + * Interface for the CRC algorithms. + * + *========================================================================== + *####ECOSGPLCOPYRIGHTBEGIN#### + * ------------------------------------------- + * This file is part of eCos, the Embedded Configurable Operating System. + * Copyright (C) 2002 Andrew Lunn + * + * eCos is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 or (at your option) any later version. + * + * eCos is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with eCos; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * As a special exception, if other files instantiate templates or use macros + * or inline functions from this file, or you compile this file and link it + * with other works to produce a work based on this file, this file does not + * by itself cause the resulting work to be covered by the GNU General Public + * License. However the source code for this file must still be made available + * in accordance with section (3) of the GNU General Public License. + * + * This exception does not invalidate any other reasons why a work based on + * this file might be covered by the GNU General Public License. + * + * Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. + * at http: *sources.redhat.com/ecos/ecos-license/ + * ------------------------------------------- + *####ECOSGPLCOPYRIGHTEND#### + *========================================================================== + *#####DESCRIPTIONBEGIN#### + * + * Author(s): Andrew Lunn + * Contributors: Andrew Lunn + * Date: 2002-08-06 + * Purpose: + * Description: + * + * This code is part of eCos (tm). + * + *####DESCRIPTIONEND#### + * + *========================================================================== + */ + +#ifndef _SERVICES_CRC_CRC_H_ +#define _SERVICES_CRC_CRC_H_ + +#include <linux/types.h> + +#ifndef __externC +# ifdef __cplusplus +# define __externC extern "C" +# else +# define __externC extern +# endif +#endif + +/* Compute a CRC, using the POSIX 1003 definition */ +extern uint32_t +cyg_posix_crc32(unsigned char *s, int len); + +/* Gary S. Brown's 32 bit CRC */ + +extern uint32_t +cyg_crc32(unsigned char *s, int len); + +/* Gary S. Brown's 32 bit CRC, but accumulate the result from a */ +/* previous CRC calculation */ + +extern uint32_t +cyg_crc32_accumulate(uint32_t crc, unsigned char *s, int len); + +/* Ethernet FCS Algorithm */ + +extern uint32_t +cyg_ether_crc32(unsigned char *s, int len); + +/* Ethernet FCS algorithm, but accumulate the result from a previous */ +/* CRC calculation. */ + +extern uint32_t +cyg_ether_crc32_accumulate(uint32_t crc, unsigned char *s, int len); + +/* 16 bit CRC with polynomial x^16+x^12+x^5+1 */ + +extern uint16_t cyg_crc16(unsigned char *s, int len); + +#endif /* _SERVICES_CRC_CRC_H_ */ |