From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- include/linux/crc-ccitt.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 include/linux/crc-ccitt.h (limited to 'include/linux/crc-ccitt.h') diff --git a/include/linux/crc-ccitt.h b/include/linux/crc-ccitt.h new file mode 100644 index 000000000..f52696a1f --- /dev/null +++ b/include/linux/crc-ccitt.h @@ -0,0 +1,15 @@ +#ifndef _LINUX_CRC_CCITT_H +#define _LINUX_CRC_CCITT_H + +#include + +extern u16 const crc_ccitt_table[256]; + +extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len); + +static inline u16 crc_ccitt_byte(u16 crc, const u8 c) +{ + return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff]; +} + +#endif /* _LINUX_CRC_CCITT_H */ -- cgit v1.2.3-54-g00ecf