xdp官方文档：https://prototype-kernel.readthedocs.io/en/latest/networking/XDP/index.html
使用XDP(eXpress Data Path)防御DDoS攻击： https://blog.csdn.net/dog250/article/details/77993218
net_device_ops：https://blog.csdn.net/sunlei0625/article/details/61667510
腾讯云：张亦鸣：eBPF简史
上篇： https://cloud.tencent.com/developer/article/1006317
下篇： https://cloud.tencent.com/developer/article/1006318
xdp ebpf程序执行流程
http://www.tecyle.com/2018/06/10/xdp-ebpf%E7%A8%8B%E5%BA%8F%E6%89%A7%E8%A1%8C%E6%B5%81%E7%A8%8B/
如何用eBPF实现一个学习型网桥：https://www.hy-print.com/licai/69858.html
使用socket BPF https://www.cnblogs.com/rollenholt/articles/2585517.html
如何在一秒之内丢弃1000万个网络数据包？
https://www.ichenfu.com/2019/03/10/how-to-drop-10-million-packets-per-second/
XDP programs with eBPF
https://prototype-kernel.readthedocs.io/en/latest/networking/XDP/end-user/coding.html
Dive into BPF: a list of reading material
https://qmonnet.github.io/whirl-offload/2016/09/01/dive-into-bpf/#about-xdp-1
A brief introduction to XDP and eBPF
https://blogs.igalia.com/dpino/2019/01/07/introduction-to-xdp-and-ebpf/
DPDK的竞争机制---XDP初体验
