On: The Linux Kernel Module Programming Guide

[synergy20]

do you mean this one: https://git.zx2c4.com/wireguard-linux/tree/tools/testing/sel...

there are only 3 files under drivers/net/wireguard/selftest and no qemu there in linux kernel git

    allowedips.c  counter.c  ratelimiter.c

[commandersaki → synergy20]

Yes, but it's hard to find in the kernel:

https://github.com/torvalds/linux/tree/5437f30d3458ad36e83ab...