2 * crc-itu-t.h - CRC ITU-T V.41 routine
4 * Implements the standard CRC ITU-T V.41:
6 * Poly 0x0x1021 (x^16 + x^12 + x^15 + 1)
9 * This source code is licensed under the GNU General Public License,
10 * Version 2. See the file COPYING for more details.
16 #include <linux/types.h>
18 extern u16
const crc_itu_t_table
[256];
20 extern u16
crc_itu_t(u16 crc
, const u8
*buffer
, size_t len
);
22 static inline u16
crc_itu_t_byte(u16 crc
, const u8 data
)
24 return (crc
<< 8) ^ crc_itu_t_table
[((crc
>> 8) ^ data
) & 0xff];
27 #endif /* CRC_ITU_T_H */
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