1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _LINUX_CRC32_POLY_H 3#define _LINUX_CRC32_POLY_H 4 5/* 6 * There are multiple 16-bit CRC polynomials in common use, but this is 7 * *the* standard CRC-32 polynomial, first popularized by Ethernet. 8 * 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 9 */ 10#define CRC32_POLY_LE 0xedb88320 11#define CRC32_POLY_BE 0x04c11db7 12 13/* 14 * This is the CRC32c polynomial, as outlined by Castagnoli. 15 * x^32+x^28+x^27+x^26+x^25+x^23+x^22+x^20+x^19+x^18+x^14+x^13+x^11+x^10+x^9+ 16 * x^8+x^6+x^0 17 */ 18#define CRC32C_POLY_LE 0x82F63B78 19 20#endif /* _LINUX_CRC32_POLY_H */ 21