| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _LINUX_CRC32_POLY_H |
| #define _LINUX_CRC32_POLY_H |
| |
| /* |
| * There are multiple 16-bit CRC polynomials in common use, but this is |
| * *the* standard CRC-32 polynomial, first popularized by Ethernet. |
| * 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 |
| */ |
| #define CRC32_POLY_LE 0xedb88320 |
| #define CRC32_POLY_BE 0x04c11db7 |
| |
| /* |
| * This is the CRC32c polynomial, as outlined by Castagnoli. |
| * 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+ |
| * x^8+x^6+x^0 |
| */ |
| #define CRC32C_POLY_LE 0x82F63B78 |
| |
| #endif /* _LINUX_CRC32_POLY_H */ |
