1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018 Netronome Systems, Inc. 3 * All rights reserved. 4 */ 5 6 #ifndef __NFP_CRC_H__ 7 #define __NFP_CRC_H__ 8 9 /* 10 * There are multiple 16-bit CRC polynomials in common use, but this is 11 * *the* standard CRC-32 polynomial, first popularized by Ethernet. 12 * x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x^1+x^0 13 */ 14 #define CRCPOLY_LE 0xedb88320 15 #define CRCPOLY_BE 0x04c11db7 16 17 uint32_t nfp_crc32_posix(const void *buff, size_t len); 18 19 #endif 20