Contents

• Introduction
  • What is tcng ?
  • System overview
    • Traffic control compiler
    • Traffic control simulator
  • Installing tcng
  • Using all of tcng in six easy steps
  
  
• The tcng language
  • Quick start
  • Basic syntax
  • Interfaces
  • Queuing disciplines
  • Classes
    • The drop construct
  • The if construct
    • Data access
    • Fields
  • Expressions
    • Numbers
    • Units
    • Strings
    • Operators
    • Functions
  • Variables
    • Variable basics
    • Variable scoping
    • Forward references
  • Parameters
    • Parameter syntax
    • Parameter propagation
  • Class selection paths
  • Processing directives
  • Naming conventions
  • Include files
    • TCP/IP header fields
    • Idiomatic constructs
    • Values used in TCP/IP headers
    • Ports
    • Meters
  
  
• Under the hood
  • Field roots
  • Buckets
    • Metering primitives
    • Implementation limitations
  • Policing primitives
  • Advanced variables: structures
  • Advanced variables: compound expressions
  • The precond function
  • Hierarchical structure
  • Queuing disciplines without classes
  • Class selection path internals
  • Tags
  • Pragmas
  
  
• Historical constructs
  • Interfaces revisited
  • Queuing discipline numbers
  • Filters
  • Filter elements
    • Limitations
  • Redefining fields
  • Tunnels
  • Policing
  • Old-style meters assignment
  
  
• Traffic control compiler
  • Invocation
    • Usage
    • Phases underneath tcc
  • Targets
    • The ``tc'' target
    • The ``C'' target
    • The external target
  • File formats
    • Location map
    • Variable use list
  • Adding new traffic control elements to tcc
    • Adding new queuing disciplines
    • Adding new filters
    • Adding new meters
  
  
• Traffic control simulator
  • Invocation
    • Usage
    • Phases underneath tcsim
  • Configuration
    • System definition
    • System configuration
    • Timing
    • Termination
    • Packet enqueuing
    • Packet dequeuing
    • Debugging
    • Configuration file format
  • Variables
    • Numeric variables
    • Common idioms
    • Command variables
  • Using multiple interfaces
    • Configuration
    • Example
  • Include files
    • Packet construction
    • Related include files
  • Simulation output
    • Raw tcsim output
    • Pretty-printing traces
    • Output filtering
    • Graphical output
  • Adding new traffic control elements
    • Adding elements to tcsim
    • Including modules
  • Restrictions
  
  
• The external interface
  • Program invocation
    • Configuration query
    • Capability probe
    • Build run
  • Configuration data format
    • Pragma
    • Buckets
    • Offsets
    • Blocks
    • Queues
    • Classes
    • Actions
    • Rules
    • Barriers
  • Data returned
    • Configuration query
    • Capability probe
    • Build run
    • Diagnostic message translation
  • C API
  
  
• Parameter reference
  • General parameters
  • Queuing discipline parameters
    • Differences from tc for fifo
    • Differences from tc for htb
  • Class parameters
    • Differences from tc for gred
    • Differences from tc for htb
  • Filter parameters
  • Filter element parameters
  • Tunnel parameters
  • Policer and bucket parameters
  
  
• Bibliography
• About this document ...