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https://github.com/Xilinx/open-nic

AMD OpenNIC Project Overview
https://github.com/Xilinx/open-nic

datacenter fpga network-acceleration networking smartnic

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AMD OpenNIC Project Overview

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README 

        
# AMD OpenNIC Project



The OpenNIC project provides an FPGA-based NIC platform for the open source

community.  It consists of multiple components: a NIC shell, a Linux kernel

driver, and a DPDK driver.  The NIC shell contains the RTL sources and design 

files for targetting several of the AMD-Xilinx Alveo boards featuring UltraScale+ 

FPGAs.  It delivers a NIC implementation supporting up to four PCI-e physical 

functions (PFs) and two 100Gbps Ethernet ports.  The shell is equipped with 

well-defined data and control interfaces and is designed to enable easy 

integration of user logic into the shell.  A block diagram of the OpenNIC 

shell follows:



![](open_nic_shell.png)



The Linux kernel driver implements the device driver for the NIC shell. It

supports multiple PFs and multiple TX/RX queues in each PF.  The RX queues are

selected through a receive-side scaling (RSS) implementation in the shell.



The goal of OpenNIC is to enable fast prototyping of hardware-accelerated

network-attached applications.  It is not a fully-fledged SmartNIC solution.



The latest version of OpenNIC is 1.0, which uses OpenNIC shell version 1.0 and

OpenNIC driver version 1.0 or OpenNIC DPDK driver version 1.0.



## Repo Structure



This repository serves as the release point for the OpenNIC project, which

consists of three components:

   - [OpenNIC shell](https://github.com/Xilinx/open-nic-shell.git),

   - [OpenNIC driver](https://github.com/Xilinx/open-nic-driver.git), and

   - [OpenNIC DPDK](https://github.com/Xilinx/open-nic-dpdk.git).



A released version of OpenNIC pins to a commit in the `master` branch of each component repository.



A Bash script `script/checkout.sh` is provided to checkout a specific version of

OpenNIC.  It takes two arguments, the root directory for the cloned repositories

and optionally, a version number.  By default, it will checkout the latest

version.  The correspondence between OpenNIC versions and component repository

tags are tracked in `script/version.yaml`.



## Technical Reference Guide



A technical reference guide ([PDF version](https://github.com/Xilinx/open-nic/blob/main/OpenNIC_manual.pdf)

or [MS Word version](https://github.com/Xilinx/open-nic/blob/main/OpenNIC_manual.docx)) provides details of

the design of the OpenNIC.  The document primarily covers the hardware architecture and its related

implementation.  It also briefly describes the organization of the Linux kernel driver for OpenNIC.



## FAQ



A set of [frequently asked questions](https://github.com/Xilinx/open-nic/blob/main/FAQ.md)

has been prepared to help in answering questions regarding this project.  The FAQ has sections for:

(a) general questions, (b) feature set questions, (c) hardware questions, (d) software questions, and

(e) operation questions.  Please contact us to submit any additional questions that you feel would help others.



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# Copyright Notice and Disclaimer



This file contains confidential and proprietary information of Advanced Micro 

Devices-Xilinx and is protected under U.S. and international copyright and other 

intellectual property laws.



DISCLAIMER



This disclaimer is not a license and does not grant any rights to the materials

distributed herewith.  Except as otherwise provided in a valid license issued to

you by Xilinx, and to the maximum extent permitted by applicable law: (1) THESE

MATERIALS ARE MADE AVAILABLE "AS IS" AND WITH ALL FAULTS, AND XILINX HEREBY

DISCLAIMS ALL WARRANTIES AND CONDITIONS, EXPRESS, IMPLIED, OR STATUTORY,

INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT, OR

FITNESS FOR ANY PARTICULAR PURPOSE; and (2) Xilinx shall not be liable (whether

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liability) for any loss or damage of any kind or nature related to, arising

under or in connection with these materials, including for any direct, or any

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subject only to applicable laws and regulations governing limitations on product

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THIS COPYRIGHT NOTICE AND DISCLAIMER MUST BE RETAINED AS PART OF THIS FILE AT

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