Describes how to troubleshoot Cilium in different deployment modes. BPF and XDP Reference Guide : Provides a technical deep dive of BPF and XDP technology, primarily focused at developers. API Reference Images Documenta�on CI / Jenkins Release Management Developer’s Cer�ficate of Origin BPF and XDP Reference Guide BPF Architecture Toolchain Program Types Further Reading API Reference Introduc�on How to is a new Linux kernel technology called BPF, which enables the dynamic inser�on of powerful security visibility and control logic within Linux itself. Because BPF runs inside the Linux kernel, Cilium security

Describes how to troubleshoot Cilium in different deployment modes. BPF and XDP Reference Guide : Provides a technical deep dive of BPF and XDP technology, primarily focused at developers. API Reference Builds With Jenkins Using Jenkins for testing CI Failure Triage Infrastructure details BPF and XDP Reference Guide BPF Architecture Toolchain Program Types Further Reading API Reference Introduction How is a new Linux kernel technology called BPF, which enables the dynamic insertion of powerful security visibility and control logic within Linux itself. Because BPF runs inside the Linux kernel, Cilium security

Describes how to troubleshoot Cilium in different deployment modes. BPF and XDP Reference Guide : Provides a technical deep dive of BPF and XDP technology, primarily focused at developers. API Reference Automatically run unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous Program Types XDP tc (traffic control) Further Reading Kernel Developer FAQ Projects using BPF XDP Newbies

Describes how to troubleshoot Cilium in different deployment modes. BPF and XDP Reference Guide : Provides a technical deep dive of BPF and XDP technology, primarily focused at developers. API Reference Automatically run unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous Program Types XDP tc (traffic control) Further Reading Kernel Developer FAQ Projects using BPF XDP Newbies

from Cilium. Troubleshooting : Describes how to troubleshoot Cilium in different deployment modes. BPF and XDP Reference Guide : Provides a technical deep dive of eBPF and XDP technology, primarily focused Automatically run unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous Program Types XDP tc (traffic control) Further Reading Kernel Developer FAQ Projects using BPF XDP Newbies

from Cilium. Troubleshooting : Describes how to troubleshoot Cilium in different deployment modes. BPF and XDP Reference Guide : Provides a technical deep dive of eBPF and XDP technology, primarily focused Automatically run unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous Program Types XDP tc (traffic control) Further Reading Kernel Developer FAQ Projects using BPF XDP Newbies

from Cilium. Troubleshooting : Describes how to troubleshoot Cilium in different deployment modes. BPF and XDP Reference Guide : Provides a technical deep dive of eBPF and XDP technology, primarily focused Automatically run unit tests on code changes BPF and XDP Reference Guide BPF Architecture Instruction Set Helper Functions Maps Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous Program Types XDP tc (traffic control) Further Reading Kernel Developer FAQ Projects using BPF XDP Newbies

中实现对service解析 • sock_ops + sk_msg。记录本地应用之间通信的socket，实现本地数据包的加速转发 加速同节点pod间通信 cilium 使用 eBPF 程序，借助 bpf_redirect() 或 bpf_redirect_peer() 等 helper 函数，快速帮助同宿主机间 的流量转发，节省了大量的内核协议栈 处理流程 pod 1 process kernel