cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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crc-ccitt.h (609B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LINUX_CRC_CCITT_H
      3#define _LINUX_CRC_CCITT_H
      4
      5#include <linux/types.h>
      6
      7extern u16 const crc_ccitt_table[256];
      8extern u16 const crc_ccitt_false_table[256];
      9
     10extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len);
     11extern u16 crc_ccitt_false(u16 crc, const u8 *buffer, size_t len);
     12
     13static inline u16 crc_ccitt_byte(u16 crc, const u8 c)
     14{
     15	return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
     16}
     17
     18static inline u16 crc_ccitt_false_byte(u16 crc, const u8 c)
     19{
     20    return (crc << 8) ^ crc_ccitt_false_table[(crc >> 8) ^ c];
     21}
     22
     23#endif /* _LINUX_CRC_CCITT_H */