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Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / include / linux / crc-ccitt.h
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
7 extern u16 const crc_ccitt_table[256];
8
9 extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len);
10
11 static inline u16 crc_ccitt_byte(u16 crc, const u8 c)
12 {
13         return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
14 }
15
16 #endif /* _LINUX_CRC_CCITT_H */
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