The TCP Option Address (TOA) module is a kernel module that obtains the source IPv4 address from the option section of a TCP header.
The development environment for compiling the kernel module consists of:
Download and decompress the source package:
https://github.com/Huawei/TCP_option_address/archive/master.zip
Enter the source code directory and compile the module:
cd src
make
Load the kernel module:
sudo insmod toa.ko
TOA is distributed under the terms of the GNU General Public License v2.0. The full terms and conditions of this license are detailed in the LICENSE file.