https://github.com/oxidecomputer/softnpu

Software Network Processing Unit
https://github.com/oxidecomputer/softnpu

Last synced: 11 months ago
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Software Network Processing Unit

• Host: GitHub
• URL: https://github.com/oxidecomputer/softnpu
• Owner: oxidecomputer
• License: mpl-2.0
• Created: 2022-10-26T07:03:30.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2025-07-14T15:55:02.000Z (12 months ago)
• Last Synced: 2025-07-14T20:07:22.413Z (12 months ago)
• Language: Rust
• Homepage:
• Size: 208 KB
• Stars: 11
• Watchers: 21
• Forks: 3
• Open Issues: 6
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# SoftNpu

SoftNpu is a software network processing unit. The main thing SoftNpu

implementations do is provide an I/O harness and management interface for 

[x4c](https://github.com/oxidecomputer/p4)

compiled P4 programs. I/O harnesses provide a way to get packets in and out of

P4 pipeline programs and management interfaces provide a means to manage P4

table state from a control plane program.

This repository contains the following.

- Management message definitions for SoftNpu implementations.

- A standalone SoftNpu implementation.

Two SoftNpu implementations currently exist. 

1. The standalone implementation in this repository

2. A propolis ASIC emulator.