| 12345678910111213141516171819202122232425262728 |
- /*
- * crc-itu-t.h - CRC ITU-T V.41 routine
- *
- * Implements the standard CRC ITU-T V.41:
- * Width 16
- * Poly 0x1021 (x^16 + x^12 + x^15 + 1)
- * Init 0
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2. See the file COPYING for more details.
- */
- #ifndef CRC_ITU_T_H
- #define CRC_ITU_T_H
- #include <linux/types.h>
- extern u16 const crc_itu_t_table[256];
- extern u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len);
- static inline u16 crc_itu_t_byte(u16 crc, const u8 data)
- {
- return (crc << 8) ^ crc_itu_t_table[((crc >> 8) ^ data) & 0xff];
- }
- #endif /* CRC_ITU_T_H */
|
