networking

eBPF Networking Deep Dive: From XDP Packet Processing to TCP Tracing and Production Deployment

Comprehensive deep-dive into eBPF networking internals: XDP packet processing at driver level, Traffic Control subsystem, socket-level tracing with kprobes, TCP state machine and retransmission analysis, DNS query monitoring, network latency distribution and throughput measurement, production deployment guide with kernel configuration, containerized environments, and performance optimization strategies.

Linux 内核网络栈深度剖析:从网卡到用户态的数据路径全链路

深入剖析 Linux 内核网络数据包处理的完整路径——从中断触发到系统调用返回——重点解析 NAPI 轮询、GRO/GSO 分段卸载、Ring Buffer 零拷贝机制、XDP/eBPF 快速路径以及 AF_XDP 用户态通道。配合可编译的代码示例和真实性能数据,给出一份面向生产环境的调优手册。