ucloud/ucloud-toa

A kernel module to obtain source IPv4 address in the TCP option section.

TCP Option Address

The TCP Option Address (TOA) module is a kernel module that obtains the client IPv4 address from the option section of a TCP header.

It's typically used on the backends of LVS(toa enable).

Features

1. Support kernel from 2.6.32 to the mainline now
2. Support IPV6 listen(golang default method)

Requirements

1. Install kernel-devel, kernel-headers related kernel development packages which match the running kernel.
2. Install gcc and make

Usage

1. Compiling the module

make

2. Load the module

insmod ./toa.ko

Distribution license

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.