learn-by-example

Learn something interesting by examples.

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1. nsenter in Go
2. nfnetlink(iptables-nfqueue) in Go
3. nfqueue(another example of iptables-nfqueue) in Go

eBPF examples

1. demo for 「eBPF 技术实践：高性能 ACL」
2. 为 eBPF 程序注入黑魔法
3. bpf2bpf functions call example
4. bpf_tail_call() example
5. eBPF global variables
6. XDP metadata 实战指南
7. XDP ping
8. ping latency injection with XDP metadata
9. eBPF timer
10. eBPF iterator
11. binary search in eBPF
12. fentry/fexit on XDP program
13. fentry/fexit on tc-bpf program
14. fentry/fexit on tailcall target program (FAILED)
15. fentry/fexit on bpf2bpf target program
16. fentry/fexit on freplace program
17. fentry/fexit on freplace program (XDP)
18. fentry/fexit on kprobe program
19. fentry/fexit on tracepoint program
20. tracepoint of netlink_extack
21. tailcall shared on multi-processes
22. tailcall stack overflow?
23. XDP supports traceroute
24. tailcall in bpf2bpf
25. fexit on RPS/XPS
26. fexit on ipv4 sysctl