修改说明

• 本版本 folk 自 https://github.com/huaweicloud/elb-toa
• 结合了下述工作：
  • 适配 kernel 4.17 以上版本 inet_getname 函数签名变动：https://github.com/dongzerun/TCP_option_address
  • 适配 kernel 5.7 以上版本不再导出 kallsyms_lookup_name 函数： https://github.com/h33p/kallsyms-mod

因此本版本 TOA 兼容至内核主线最新版本，在生产环境验证无误。

下面是原始说明：

TCP Option Address

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

How to use the TOA module?

Requirement

The development environment for compiling the kernel module consists of:

• kernel headers and the module library
• the gcc compiler
• GNU Make tool

Installation

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

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.