CRC-CCITT functions

modulename: crc-ccitt.ko

configname: CONFIG_CRC_CCITT

Linux Kernel Configuration
└─>Library routines
└─>CRC-CCITT functions
In linux kernel since version 2.6.12  
This option is provided for the case where no in-kernel-tree
modules require CRC-CCITT functions, but a module built outside
the kernel tree does. Such modules that use library CRC-CCITT
functions require M here.

source code: