Getting Started (Developers)

This chapter describes how developers can get started using FD.io VPP. This chapter covers the following information:

• Identifies and describes the different layers that VPP operates on
• Describes how to create and update Arcs
• Explains how VPP uses bounded-index extensible hashing
• Explains how to use current (key,value) template instance types
• Describes how to create a new template instance

• Building FD.io VPP
  • Building Commands
    • Building VPP Commands
      • Set up Proxies
      • Build VPP Dependencies
      • Build VPP (Debug Mode)
      • Build VPP (Release Version)
      • Building Necessary Packages
        • Building Debian Packages
        • Building RPM Packages
  • Useful Directories
    • Useful Directories
      • User Tools
        • build-root/build-vpp_debug-native/dpdk/dpdk-17.02/usertools/
      • VPP/bin
        • build-root/install-vpp_debug-native/vpp/bin/
      • Devbind
        • dpdk-devbind.py
      • vNet
        • src/scripts/vnet/
        • src/vnet/
        • src/vnet/devices/
• Software Architecture
  • VPP Layers - Implementation Taxonomy
• VPP INFRAstructure Layer
  • Vectors
  • Bitmaps
  • Pools
  • Hashes
  • Format
  • Unformat
  • Vppinfra errors and warnings
  • Serialization
  • Event-logger, graphical event log viewer
• VLIB Application Management Layer
  • G2 graphical event viewer
  • Init function discovery
  • Node Graph Initialization
  • Graph node dispatcher
  • Process / thread model
  • Process events
  • Buffers
  • Shared-memory message API
• VNET VPP Network Stack Layer
  • Effective graph dispatch function coding
  • Single/dual loops
• Plugins Layer
  • Debug CLI
  • Packet Tracer
• Feature Arcs
  • Adding a feature to an existing feature arc
  • Creating a feature arc
  • Enabling / Disabling features
  • Related “show” commands
  • Table of Feature Arcs
• Bounded-index Extensible Hashing
  • Discussion of the algorithm
• Bihash Cookbook
  • Using current (key,value) template instance types
  • Initializing a bihash table
  • Add or delete a key/value pair
  • Simple search
  • Bihash vector processing
  • Walking a bihash table
• Creating a new template instance