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- /*
- *==========================================================================
- *
- * 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_ */
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