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Change-Id: I212ec4be42357edddd931e9e479e33131ccd4bac
Signed-off-by: Feng Pan <fpan@redhat.com>

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+# fdio
+
+#### Table of Contents
+1. [Overview](#overview)
+1. [Module Description](#module-description)
+1. [Setup](#setup)
+1. [Usage](#usage)
+1. [Reference ](#reference)
+1. [Limitations](#limitations)
+1. [Development](#development)
+1. [Release Notes/Contributors](#release-notescontributors)
+
+## Overview
+
+Puppet module that installs and configures [FD.io][1] projects VPP and Honeycomb Agent.
+
+## Module Description
+
+Deploys FD.io projects to various OSs via package.
+
+All configuration should be handled through the Puppet module's [params](#parameters).
+
+## Setup
+
+### What `fdio` affects
+
+* [VPP][2], a packet processing platform.
+* [Honeycomb][3], a management agent for VPP.
+
+## Usage
+
+The most basic usage, passing no parameters to the fdio class, will install and start VPP with a default configuration.
+
+```puppet
+class { 'fdio':
+}
+```
+
+### Set uio-driver
+
+To set the uio-driver use the `vpp_dpdk_uio_driver` param.
+
+```puppet
+class { 'fdio':
+  vpp_dpdk_devs => ['0000:00:07.0'],
+  vpp_dpdk_uio_driver => 'vfio_pci',
+}
+```
+
+## Reference
+
+### Classes
+
+#### Public classes
+
+* `::fdio`: Main entry point to the module.
+* `::fdio::honeycomb`: Class to install and configure Honeycomb agent.
+
+#### Private classes
+
+* `::fdio::params`: Contains default class param values.
+* `::fdio::install`: Installs VPP from packages.
+* `::fdio::config`: Manages VPP startup config
+* `::fdio::service`: Shuts down and disables kernel interfaces, starts VPP service and configuring VPP interfaces
+
+
+#### Parameters
+
+#### `::fdio`
+
+##### `repo_branch`
+
+FD.io repository branch name.
+
+Default: `release`
+
+Valid options: `release`, `master`, and branch name such as `stable.1609`.
+
+##### `vpp_dpdk_devs`
+
+PCI devices to bind to VPP.
+
+Default: []
+
+Valid options: list of PCI devices in the form of "DDDD:BB:SS.F"
+
+##### `vpp_dpdk_uio_driver`
+
+Sets the uio-driver for VPP
+
+Default: `uio_pci_generic`
+
+Valid options: `vfio-pci`, `uio_pci_generic` and `igb_uio`. Note that `igb_uio` must be already loaded in the kernel before this module is invoked.
+
+##### `vpp_vlan_enabled`
+
+Enabled vlan tagged traffic on VPP interfaces. This is needed to configure vlan_strip_offload option for Cisco VIC interfaces.
+
+Default: `false`
+
+Valid options: `true`, `false`
+
+##### `vpp_cpu_main_core`
+##### `vpp_cpu_corelist_worker`
+
+VPP thread pinning configuration. Details about those options can be found [here][4].
+
+Default: `undef`
+
+Valid options: Same format as VPP startup config is accepted. Reference [here][4].
+
+##### `vpp_cpu_corelist_worker`
+
+Configures VPP interface with IP settings found on its corresponding kernel NIC.
+
+Default: `true`
+
+Valid options: `true`, `false`
+
+#### `::fdio::honeycomb`
+
+##### `rest_port`
+
+Port for Honeycomb REST interface to listen on.
+
+Default: `'8181'`
+
+Valid options: Valid TCP port number.
+
+##### `websocket_rest_port`
+
+Port for Honeycomb REST interface to listen on for websocket connections.
+
+Default: `'7779'`
+
+Valid options: Valid TCP port number.
+
+##### `user`
+
+Username to configure in honeycomb
+
+Default: `'admin'`
+
+##### `password`
+
+Password to configure in honeycomb
+
+Default: `'admin'`
+
+## Limitations
+
+* Currently only works on Centos 7. Ubuntu support will be added in the future.
+
+## Development
+
+We welcome contributions and work to make them easy!
+
+## Release Notes/Contributors
+
+
+[1]: https://fd.io/
+[2]: https://wiki.fd.io/view/VPP
+[3]: https://wiki.fd.io/view/Honeycomb
+[4]: https://wiki.fd.io/view/VPP/Command-line_Arguments#.22cpu.22_parameters
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