/P4-NetFPGA-MTPSA

Primary LanguageVerilogOtherNOASSERTION

P4-NetFPGA-MTPSA

DOI

MTPSA (Multi Tenant Programmable Switch Architecture) extends PSA with support for data plane virtualization. This repository contains an implementation of MTPSA based on the P4->NetFPGA workflow.

The MTPSA model consists of Superuser pipeline and multiple User pipelines.

MTPSA

Getting started

  1. Follow the P4->NetFPGA steps for initial setup: https://github.com/NetFPGA/P4-NetFPGA-public/wiki/Getting-Started#getting-started-guide

  2. Execute run.sh to compile, run simulation tests, and generate a bitstream (.bit) file.

Project Directory Description

All project files are stored in a folder under $P4_PROJECT_DIR (contrib-projects/sume-sdnet-switch/projects/).

  • learning_switch - Reference switch
  • mtpsa0 - MTPSA with no user pipelines; only Superuser ingress and egress pipelines
  • mtpsa2 - MTPSA with two user pipelines
  • mtpsa3 - MTPSA with three user pipelines
  • mtpsa4 - MTPSA with four user pipelines

The $P4_PROJECT_DIR/src/*/commands.txt file can be used to specify the table entries for a particular pipeline.

The $P4_PROJECT_DIR/testdata folder contains a gen_testdata.py script (one for each pipeline) that generates applied/expected packets and metadata to be used in the simulations.

Superuser Pipeline

The Superuser pipeline consists of two P4 programs that correspond to ingress and egress packet processing.

  • $P4_PROJECT_DIR/src/suEgress/suEgress.p4
  • $P4_PROJECT_DIR/src/suIngress/suIngress.p4

User Pipeline

Each User pipeline is defined by a P4 program stored in $P4_PROJECT_DIR/src/userX/userX.p4 (where X is a user identifier).