📄️ There is a lot of code between the wire and your breakpoint
A map of everything that happens between bytes arriving on a network card and a populated request object in your handler — the phases, the boundaries between them, and what each boundary destroys.
📄️ Journey of a Packet: From Wire to User Space
A deep dive into how a network packet travels from the NIC through DMA, the RX ring, interrupt handling, the Linux network stack, and finally to a user-space application.