Pktgen 网卡性能测试
可以用来发送大量的网络包，指定ip范围，mac范围等等，包大小等等，测试网卡性能极限.
内核文档
https://www.kernel.org/doc/Documentation/networking/pktgen.txt
ubuntu默认应该编译安装了这个模块的。
@ubuntu:~$ modinfo pktgen
filename: /lib/modules/4.4.0-98-generic/kernel/net/core/pktgen.ko
version: 2.75
license: GPL
description: Packet Generator tool
author: Robert Olsson <robert.olsson@its.uu.se>
srcversion: B0DB6BD2861F1E11735145A
depends:
intree: Y
vermagic: 4.4.0-98-generic SMP mod_unload modversions
parm: pg_count_d:Default number of packets to inject (int)
parm: pg_delay_d:Default delay between packets (nanoseconds) (int)
parm: pg_clone_skb_d:Default number of copies of the same packet (int)
parm: debug:Enable debugging of pktgen module (int)
$ modprobe pktgen
$ lsmod |grep pktgen
pktgen 53248 0
源代码
已经被linux upstream接收了，代码在
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/net/core/pktgen.c?h=v4.14
下面这个网址也提供以前的版本
https://github.com/danieltt/pktgen/blob/master/Makefile
https://people.kth.se/~danieltt/pktgen/
帮助文档
pktgen the linux packet generator
Robert Olsson
Uppsala Universitet & SLU
https://www.kernel.org/doc/ols/2005/ols2005v2-pages-19-32.pdf
启动测试的脚本，参数配置
https://github.com/danieltt/pktgen/blob/master/examples/pktgen.conf-1-1-rdos