--- libelwix/inc/elwix/acrc.h 2014/01/29 14:15:58 1.2.28.2 +++ libelwix/inc/elwix/acrc.h 2017/12/08 00:07:48 1.6 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: acrc.h,v 1.2.28.2 2014/01/29 14:15:58 misho Exp $ +* $Id: acrc.h,v 1.6 2017/12/08 00:07:48 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -12,7 +12,7 @@ terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria -Copyright 2004 - 2014 +Copyright 2004 - 2017 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -91,6 +91,27 @@ unsigned int crcCalc(unsigned char * __restrict psBuf, */ unsigned short crcIP(unsigned char * __restrict buf, int bufLen); /* + * crcTCP() - Checksum for TCP v4 communication + * + * @buf = Data for calculation + * @bufLen = Length of data + * @th = TCP header + * return: -1 error, !=-1 Checksum + */ +unsigned short crcTCP(struct in_addr src, struct in_addr dst, + unsigned char * __restrict th); +/* + * crcUDP() - Checksum for UDP v4 communication + * + * @buf = Data for calculation + * @bufLen = Length of data + * @uh = UDP header + * return: -1 error, !=-1 Checksum + */ +unsigned short crcUDP(struct in_addr src, struct in_addr dst, + unsigned char * __restrict uh); + +/* * crcFletcher16() - Fletcher-16 Checksum computing * * @nBuf = Data for calculation @@ -125,14 +146,14 @@ unsigned int crcAdler(unsigned char * __restrict psBuf #define crcEther(psBuf, bufLen) crcCalc((psBuf), (bufLen), 32, 3, 0xFFFFFFFF, 0xFFFFFFFF) /* - * crc32() - CRC32 calculation from table + * crc_32() - CRC32 calculation from table * * @crc = Initial crc value * @buf = Data for calculation * @len = Length of data * return: calculated CRC32 */ -unsigned int crc32(unsigned int crc, const unsigned char * __restrict buf, unsigned int len); +unsigned int crc_32(unsigned int crc, const unsigned char * __restrict buf, unsigned int len); /* * crcPelco() - Calculate Pelco D/P CRC