LCU14 BURLINGAME

Bill Fischofer, Linaro Networking Group

LCU14-111: ODP Project Update

● Open source, open contribution framework for portable high-performance data plane applications

● Common APIs provide for application portability● Optimized implementations of these APIs provide accelerated

performance on each platform● Wide architecture support: ARM, MIPS, PowerPC, x86● Designed to offer portability without sacrificing performance,

allowing wide choice in platform selection to match application price/performance needs

OpenDataPlane - What Is It?

● LNG and its members are ODP maintainers and its upstream

● Open Source

● Open Contribution

● BSD License

ODP Project Organization

OpenDataPlane System Architecture

Design point: Multi-core network SoCs that can run Linux on at least one core

A framework, not an environment, allowing existing apps to add ODP incrementally

Multiple apps, shared or dedicated cores

A common framework

Leverages existing SDKs

Real or virtual HW

ODP: Designed to Support Existing AppsExisting Applications can add ODP functionality on an incremental basis

Apps still have access to platform SDKs if they wish

Apps can access HW directly if they wish (real or virtual)

ODP implementations leverage existing SDKs

ODP APIs● Common definitions, build tools, and validation tests● Open contribution, LNG is maintainer and upstream

ODP Implementations● Developed and maintained by sponsoring owner● Typically SoC vendor ● Integrated into ODP git repository or maintained separately at

owner’s option

ODP Components

Name Owner/Maintainer Target Platform Architecture

linux-generic Open contribution, maintained by LNG

Pure SW, runs on any Linux kernel. Not a performance target.

Any

linux-dpdk Open contribution, developed by LNG

Intel x86 using DPDK as SW acceleration layer Intel x86

linux-axxia Avago Technologies Avago Axxia SoCs ARM Cortex A15

linux-keystone2 Texas Instruments TI Keystone II SoCs ARM Cortex A15

ODP Implementations

Name Owner/Maintainer Target Platform Architecture

linux-octeon Cavium Networks Cavium Octeon SoCs MIPS64

linux-qoriq Freescale Freescale QorIQ SoCs PowerPC

linux-xgene Applied Micro APM X-Gene SoCs ARMv8

ODP Implementations (cont’d)

Additional implementations under development by others

ODP Design/Development MethodologyIterative: Multiple efficient implementations help refine architecture

Stable Release 1.0 when multiple efficient implementations validated for variety of different network SoCs.

ODP Project Statistics from Inception

Total Files 173

Total Lines of Code 47K(87K added, 40K removed)

Total Commits 328

Authors 26

Note: Does not include platform development work done outside of main ODP git repository

Data as of September 4, 2014

446 patches submitted to this project and 178 have been accepted upstream.

ODP Development: Recent Patch Metrics

ODP Project History

API Design/Doc Implementation Testing

Buffers Formal, finalizedComplete, but needs harmonizing with final design

Unit tests, verif needed

Classification Formal, complete Needs to be scheduled Needed

Crypto Formal, complete Complete, no changes anticipated Unit tests, verif needed

IPC Formal, in process In process Unit tests, verif needed

PktIO Formal, in processComplete, but needs harmonizing with final design

Unit tests, verif needed

ODP v1.0 API Features and Status

ODP v1.0 API Features and Status (cont’d)

API Design/Doc Implementation Testing

Queues Informal, in process Complete, will need some harmonizing Unit tests, verif needed

Scheduler Informal, in processComplete, but needs harmonizing with final design

Unit tests, verif needed

Shared Memory Informal, in process Complete, no changes anticipated Unit tests, verif needed

Synchronizers Informal, in process Complete, no changes anticipated Unit tests, verif needed

ODP v1.0 API Features and Status (cont’d)

API Design/Doc Implementation Testing

Threads Informal, in process Complete, no changes anticipated Unit tests, verif needed

Timers Formal, in processInitial implementation complete, redesign being upstreamed

In process

Visit opendataplane.org for information

Join the ODP mailing list: lng-odp@lists.linaro.org

Participate in ODP project calls and meetings• Weekly call held Tuesdays at 15:00 UTC• Go to uberconference.com/opendataplane

Contribute Code/Tests/Documents/Bug Reports, etc.

Getting Involved

Wednesday● LCU14-310: Cisco ODP Presentation

Thursday ● LCU14-401: Isolation / no_hz upstreaming progress

Other ODP-Related Sessions of Interest

core-Isolated ODP L2FWD

ODP-L3 IPSEC Router

ODL controlling: ODP-OVS

ODP packet I/O on P4080DS

ODP-NETMAP on APM X-Gene

Cavium IPSec Application

ODP DAQ SNORT SUPPORT

ODP Demos at LNG Demo Thursday

For more information, visit:

Thank You

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