Architecture & Key Features

Specifications: LLR 1.0/0.81, CBFC 1.0/0.8rc1

Interfaces: 100G and above speeds

DUT Types/Topology:

  • X’MII, PCS+PHY, MAC+PCS+PHY (Full Stack)

Key VIP Features

  • Class based transaction flow for ease of use
  • Specification linked Protocol checks and functional coverage
  • Callback, error injections and analysis ports for Scoreboard
  • Configurable timers for threshold testing
  • Reference example illustrating sanity usage and representative protocol scenarios
  • Separate Analysis ports for LLR frames and Ctlos
  • Can be used in Active as well as in Passive mode

Debug and Analysis

  • Verdi based protocol and performance analysis
  • Protocol checks at each layer
  • Debug ports and trace files 

Key Protocol Features

  • Transaction attributes for modelling various traffic profiles related to CBFC and LLR
  • Configuration attributes for finer control over interface characteristic such as rate and mode of operation
  • Supported Use-cases:
    • Transmission of LLR eligible/ineligible frames
    • Configurable replay timers
    • Transmission of all 4 Ctlos
    • CBFC flow control
    • Support upto 32 virtual channels
  • Support for REPLAY of LLR Eligible frames
    • Replay buffer support with configurable size
    • Replay of LLR Eligible frames NACK received or replay_timer expired 
Verification IP for Ethernet AVB

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