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ebpf-map-handler

Generate C eBPF map definitions and Go userspace interaction code.

1|Updated Oct 17, 2024
Search Tags:#kernel#ebpf#maps#data exchange#cnfs#userspace
One-click install
npx skills add https://github.com/cassamajor/xcnf --skill ebpf-map-handler
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: ebpf-map-handler
Source: https://github.com/cassamajor/xcnf/tree/main/.claude/skills/ebpf-map-handler
Command: npx skills add https://github.com/cassamajor/xcnf --skill ebpf-map-handler

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires github.com/cilium/ebpf, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill simplifies the creation and management of eBPF maps, enabling seamless data exchange and state management between the Linux kernel and userspace applications.

Core Features & Use Cases

  • Map Creation: Generates definitions for various eBPF map types (hash, array, ringbuf, etc.) in C.
  • Userspace Interaction: Provides corresponding Go code for reading, writing, and managing map data.
  • Use Case: Implement efficient network flow tracking by creating a hash map to store flow statistics, updated by an eBPF program and read by a Go application for monitoring.

Quick Start

Use the ebpf-map-handler skill to create a hash map for tracking network flows with Go userspace code.

Frequently Asked Questions about ebpf-map-handler

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create eBPF maps and interact with them using Go userspace code?▼

You can generate C map definitions for the kernel and corresponding Go userspace code for interacting with various eBPF map types. This facilitates kernel-userspace communication for state management, metrics collection, and configuration in CNFs.

What eBPF map types are supported for kernel-userspace data exchange?▼

Supported eBPF map types for kernel-userspace data exchange include hash, array, ringbuf, LRU, and per-CPU maps. These types enable operations like lookup, update, and event handling for managing state and metrics.

Can I use the cilium ebpf Go library to manage ringbuf and per-CPU maps in Cloud-native Network Functions?▼

Yes, you can use the cilium ebpf Go library to manage ringbuf and per-CPU maps in Cloud-native Network Functions. The Skill generates Go userspace code supporting these map types for event handling and metrics collection.

What is the best way to track network flows between the Linux kernel and a Go application?▼

The best way to track network flows between the Linux kernel and a Go application is to create a hash map to store flow statistics. The eBPF program updates the map in the kernel, and the Go userspace code reads it for monitoring.

Do I need to write C definitions separately to manage eBPF maps for a Go application?▼

You do not need to write C definitions separately to manage eBPF maps for a Go application. The Skill generates both the C map definitions and the corresponding Go userspace code for operations like lookup and update.

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