**************************************** README **************************************** Chelsio T5/T4 Unified Wire for Windows Version : 5.0.0.57 Date : 05/10/2016 Overview ================================================================================ Chelsio Unified Wire for Windows is a software package developed to provide 64-bit Windows based drivers and tools for Chelsio's T5 and T4 Unified Wire adapters. It consists of the following components: - NDIS Function driver (NIC) v6.1.17.0 - NVGRE Offload - VXLAN Task Offload - PacketDirect (Kernel Mode and ARM Moderation) - SMB Direct - RDMA/NVGRE concurrent (Mode 2) - NDIS SR-IOV - Virtual RSS (vRSS) - iSCSI Storport Miniport v6.1.17.0 - Data Center Bridging (DCB) v6.1.17.0 - Unified Wire Manager (UM) v2.4.62 - UM for Win PE v2.4.62 ================================================================================ CONTENTS ================================================================================ - 1. Requirements - 2. Supported Operating Systems - 3. Supported Cards - 4. How to Use - 5. Support Documentation - 6. Customer Support 1. Requirements ================================================================================ 1.1. NDIS ========= Chelsio T5 40/10/1Gb or T4 10/1Gb adapter and system with supported platform mentioned in section 2. 1.2. NVGRE Offload ================== Chelsio T5 40/10/1Gb adapter and system with supported platform mentioned in section 2. 1.3. VXLAN Task Offload ======================= Chelsio T5 40/10/1Gb adapter and system with supported platform mentioned in section 2. 1.4. PacketDirect ================= Chelsio T5 40/10/1Gb adapter and system with supported platform mentioned in section 2. 1.5. SMB Direct =============== Chelsio T5 40/10/1Gb or T4 10/1Gb adapter and system with supported platform mentioned in section 2. 1.6. RDMA/NVGRE concurrent (Mode 2) =================================== - Chelsio T5 40/10/1Gb or T4 10/1Gb adapter and system with supported platform mentioned in section 2. 1.7. NDIS SR-IOV ================ - Chelsio T5 40/10/1Gb adapter and system with supported platform mentioned in section 2. - SR-IOV should be enabled in the machine. 1.8. vRSS ========= - Chelsio T5 40/10/1Gb adapter and system with supported platform mentioned in section 2. 1.9. iSCSI Storport Miniport ============================= - Chelsio T5 40/10/1Gb adapter and system with supported platform mentioned in section 2. 1.10. Data Center Bridging (DCB) =============================== - Chelsio T5 40/10/1Gb adapter and system with supported platform mentioned in section 2. 1.11. Unified Wire Manager (UM) ============================== Management Agent ---------------- Microsoft .Net Framework 3.5 Management Station ------------------ - Install Python 2.6.6 (32-bit) and ensure that the path to python binary (typically "C:\Python26") is added to PATH system variable. - Install Apache HTTP Server 2.2 with SSL - If the Apache Server is running, stop it before starting the installation process. 1.12. UM for Win PE =================== Chelsio T5 40/10/1Gb or T4 10/1Gb adapter and system with supported platform mentioned in section 2. 2. Supported Operating Systems ================================================================================ The Chelsio T5/T4 Unified Wire software has been developed to run on Windows based platforms. Following is the list of Drivers/Software and supported Windows version(s). |########################|#####################################################| | Windows Version | Driver/Software | |########################|#####################################################| |Server 2016 Technical |NIC,NVGRE,VXLAN,PacketDirect,vRSS,SMB Direct,SR-IOV, | |Preview |iSCSI,DCB | |------------------------|-----------------------------------------------------| |2016 Client |NIC,SMB Direct,iSCSI,DCB | |------------------------|-----------------------------------------------------| |Nano Server |NIC,PacketDirect,vRSS,SMB Direct,SR-IOV,DCB | |------------------------|-----------------------------------------------------| |10 Client |NIC,iSCSI | |------------------------|-----------------------------------------------------| |Server 2012 R2 |NIC,NVGRE,SMB Direct,SR-IOV,iSCSI,DCB,UM* | |------------------------------------------------------------------------------| *UM: UM and UM for Win PE Other versions have not been tested and are not guaranteed to work. 3. Supported Cards ================================================================================ 3.1. Following is the list of Drivers/Software and supported Chelsio adapters. ------------------------------------------------------------------------------ ########################|######################################################| Chelsio Adapter | Driver/Software | ########################|######################################################| T520-BT |NIC,NVGRE,VXLAN,SMB Direct,SR-IOV,vRSS,iSCSI | ------------------------|------------------------------------------------------| T520-CR |NIC,NVGRE,VXLAN,PacketDirect,SMB Direct,SR-IOV,vRSS, | |iSCSI,DCB,UM* | ------------------------|------------------------------------------------------| T580-CR |NIC,NVGRE,VXLAN,PacketDirect,SMB Direct,SR-IOV,vRSS, | |iSCSI,DCB,UM* | ------------------------|------------------------------------------------------| T580-SO-CR |NIC,NVGRE,VXLAN,SR-IOV,vRSS,UM* | ------------------------|------------------------------------------------------| T580-LP-CR |NIC,NVGRE,VXLAN,PacketDirect,SMB Direct,SR-IOV,vRSS, | |iSCSI,DCB,UM* | ------------------------|------------------------------------------------------| T520-LL-CR |NIC,NVGRE,VXLAN,SMB Direct,SR-IOV,vRSS,DCB,iSCSI,UM* | ------------------------|------------------------------------------------------| T520-SO-CR |NIC,NVGRE,VXLAN,SR-IOV,vRSS,UM* | ------------------------|------------------------------------------------------| T540-CR |NIC,NVGRE,VXLAN,SMB Direct,SR-IOV,vRSS,iSCSI,UM* | ------------------------|------------------------------------------------------| T420-CR |NIC,SMB Direct,UM* | ------------------------|------------------------------------------------------| T440-CR |NIC,SMB Direct,UM* | ------------------------|------------------------------------------------------| T422-CR |NIC,SMB Direct,UM* | ------------------------|------------------------------------------------------| T420-LL-CR |NIC,SMB Direct,UM* | ------------------------|------------------------------------------------------| T440-LP-CR |NIC,SMB Direct,UM* | ------------------------|------------------------------------------------------| T420-CX |NIC,SMB Direct,UM* | ------------------------|------------------------------------------------------| T420-BT |NIC,SMB Direct,UM* | ------------------------|------------------------------------------------------| T404-BT |NIC,SMB Direct,UM* | -------------------------------------------------------------------------------| *UM: UM and UM for Win PE 4. How to Use ================================================================================ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.1. Chelsio Unified Wire ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.1.1. Installation =================== Chelsio Unified Wire can be installed using any of the following methods: a. Chelsio’s Unified Wire Installer b. Manual installation Alternatively, you can install or remove driver files in an offline Windows image using procedures mentioned in the following links: - http://technet.microsoft.com/en-us/library/hh825070.aspx - http://blogs.technet.com/b/heyscriptingguy/archive/2012/09/27/use-the-powershell-dism-cmdlets-to-manage-windows-8.aspx NOTE: Please refer User's Guide for instructions regarding installing the driver manually. The driver components must be installed strictly in the order specified in the document. Any other order is not supported. 4.1.2. Nano Sever: Driver Installation ======================================= Before installing Nano Server, the Chelsio driver package needs to be added to the boot image. Please refer the User's Guide for step-by-step instructions. 4.1.3. Configuring 40G Adapters =============================== Chelsio T5 40G adapters can be configured in the following three operational modes: a. DEFAULT (2X40G): This is the default mode of operation where each port functions as 40Gbps link. The port nearest to the motherboard will appear as the first network interface (Port 0). b. SPIDER (4X10G): In this mode, port 0 functions as 4 10Gbps links and port 1 is disabled. c. QSA (2X10G): This mode adds support for QSA (QSFP to SFP+) modules, enabling smooth, cost-effective, connections between 40 Gigabit Ethernet adapters and 1 or 10 Gigabit Ethernet networks using existing SFP+ based cabling. The port farthest from the motherboard will appear as the first network interface (Port 0). To configure Chelsio adapter in any of the three modes mentioned above, use the "chelsio_adapter_config.ps1" configuration script. The script will be present in ChelsioUwire-x.x.x.xx\Adapter Configuration folder. Follow the steps mentioned below: Windows GUI Machine ------------------- a. Copy cxgbtool.exe from ChelsioUwire-x.x.x.xx folder to \Windows\System32 b. Open PowerShell with administrative privileges. c. Change your working directory to "ChelsioUwire-x.x.x.xx\Adapter Configuration" folder. d. Run the adapter configuration script and select "Windows Technical Preview GUI" (option 1) as the Windows version. Hit [Enter]. PS D:\ChelsioUwire-x.x.x.xx\Adapter Configuration> .\chelsio_adapter_config.ps1 e. Enter the index of the Chelsio 40G adapter for which the configuration needs to be updated. Hit [Enter]. f. Select "Port settings" (option 3) as the configuration type. Hit [Enter]. g. Select the operation mode and then enter "y" to confirm. h. Open Device Manager, click on System Devices and right-click on the 40G Chelsio Adapter selected in step (e). i. Select Disable and then Enable, for changes to take effect. Nano Server Machine -------------------- a. Connect to Nano Server Machine. b. Copy ChelsioUwire-x.x.x.xx folder to a desired location. c. Copy cxgbnano.exe from ChelsioUwire-x.x.x.xx folder to \Windows\System32 d. Change your working directory to "ChelsioUwire-x.x.x.xx\Adapter Configuration" folder. e. Run the adapter configuration script and select "Windows Technical Preview Nano Server" (option 2) as the Windows version. Hit [Enter]. [nanomachine-ip]: PS D:\ChelsioUwire-x.x.x.xx\Adapter Configuration> .\chelsio_adapter_config.ps1 f. Enter the index of the 40G adapter for which the configuration needs to be updated. Hit [Enter]. g. Select "Port settings" (option 3) as the configuration type. Hit [Enter]. h. Select the operation mode and then enter "y" to confirm. Hit [Enter]. i. Determine the Instance ID of the Adapter using the "Get-PnpDevice" command. j. Use the Instance ID obtained from the previous step to Disable and Enable the Adapter for changes to take effect. 4.1.4. Firmware Update ====================== The driver will auto-load T4 firmware(v1.15.35.0) and T5 firmware(v1.15.35.0) if an update is required. The firmware version can be verified using cxgbtool: C:\Users\Administrator>cxgbtool nic0 version The Firmware binaries are present in ChelsioUwire-x.x.x.xx/firmware/ directory. 4.1.5. Uninstallation ===================== Please refer User's Guide for instructions regarding uninstalling the driver manually. The driver components must be uninstalled strictly in the order specified in the document. Any other order is not supported. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.2. NDIS Function ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Chelsio’s T5/T4 series of Unified Wire Adapters provide extensive support for NIC operation, including all stateless offload mechanisms for both IPv4 and IPv6. 4.2.1. NVGRE Offload ==================== Chelsio’s T5 based adapters are uniquely capable of offloading the processing of NVGRE encapsulated frames such that all stateless offloads(checksums, LSO, VMQ, RSS and filtering) are preserved, resulting in significant performance benefits. This feature is enabled by default. Configure the relevant customer and provider network settings on the host. 4.2.2. VXLAN Task Offload ========================= Chelsio’s T5 based adapters are capable of offloading the processing of VXLAN encapsulated frames such that all stateless offloads (checksums, LSO, VMQ, RSS and filtering) are preserved, resulting in significant performance benefits. This feature is enabled by default. 4.2.3. PacketDirect =================== PacketDirect Provider Interface (PDPI), an extension to the existing NDIS miniport driver model, gives applications complete control over buffers, poll processors, and sending and receiving packets over a miniport adapter. Chelsio’s T5 based adapters offer extensive support for this feature leading to a higher throughput performance. This feature is enabled by default. 4.2.4. vRSS =========== Network throughput of a multi-core virtual machine is limited by the processing power of a single virtual processor, since only one processor handles all the interrupts from a virtual network adapter. Virtual RSS or vRSS solves this bottleneck by distributing the network traffic across multiple virtual processors. This feature is disabled by default and can be enabled using the Device Manager. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.3. SMB Direct ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.3.1. Enabling SMB Direct ========================== SMB Direct is installed and enabled by default. RDMA functionality on Chelsio adapters will be enabled after installing the driver from the package. You can use the PowerShell command "Get-NetAdapterRdma" to get a list of RDMA capable interfaces in your system. At least one adapter should indicate "RDMA Capable" true to take advantage of SMB RDMA capability. The next step is to configure your network so that SMB server and client machines can communicate with each other. Please configure the Microsoft firewall to allow traffic between the SMB clients and server. 4.3.2. RDMA/NVGRE concurrent (Mode 2) ===================================== In this mode, you can run RDMA traffic using a virtual switch. This feature is enabled by default in the driver, but must be enabled on the Hyper-V Virtual Ethernet adapter. NOTE: For more information on the features mentioned above, please refer User's Guide. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.4. NDIS SR-IOV ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.4.1. Installation =================== Please ensure that Unified Wire is installed on the host before proceeding. Refer section 4.1. for step-by-step instructions. 4.4.2. Host Configuration ========================= The adapter's configuration should be updated to make use of the SR-IOV feature. You can do this by running the "chelsio_adapter_config.ps1" configuration script. The script will be present in "ChelsioUwire-x.x.x.xx\Adapter Configuration" folder. Enabling SR-IOV on GUI Host --------------------------- Open PowerShell with administrative privileges and follow the steps mentioned below: a. Check if the machine is SR-IOV capable using the following command: PS C:\Users\Administrator> Get-VMHost | fl *iov* The "IovSupport" field should display "True" b. Copy "cxgbtool.exe" from "ChelsioUwire-x.x.x.xx" folder to "\Windows\System32" c. Change your working directory to "ChelsioUwire-x.x.x.xx\Adapter Configuration". folder. d. Run the adapter configuration script and select "Windows Technical Preview GUI" (option 1) as the Windows version. Hit [Enter]. e. Enter the index of the adapter for which the configuration needs to be updated. PS D:\ChelsioUwire-x.x.x.xx\Adapter Configuration> .\chelsio_adapter_config.ps1 f. Select "SRIOV" (option 2) as the configuration type and enter "y" to confirm. Hit [Enter]. g. Reboot the system for the changes to take effect. Enabling SR-IOV on Nano Server ------------------------------ a. Connect to Nano Server Machine. b. Check if the machine is SR-IOV capable using the following command: [nanomachine-ip]: PS C:\> Get-VMHost | fl *iov* The "IovSupport" field should display "True" c. Copy "ChelsioUwire-x.x.x.xx" folder to a desired location. d. Copy "cxgbnano.exe" from "ChelsioUwire-x.x.x.xx" folder to "\Windows\System32" e. Change your working directory to "ChelsioUwire-x.x.x.xx\Adapter Configuration" folder. f. Run the adapter configuration script and select "Windows Technical Preview Nano Server" (option 2) as the Windows version. Hit [Enter]. [nanomachine-ip]: PS D:\ChelsioUwire-x.x.x.xx\Adapter Configuration> .\chelsio_adapter_config.ps1 g. Enter the index of the Chelsio adapter for which the configuration needs to be updated. Hit [Enter]. h. Select "SR-IOV" (option 2) as the configuration type and enter "y" to confirm. Hit [Enter]. i. Reboot the Nano Server system for the changes to take effect. vSwitch Configuration --------------------- a. Create a vSwitch with SR-IOV enabled using Chelsio adapter. b. Assign a virtual network adapter with SR-IOV enabled to the VM. c. Bring up the VM. 4.4.3. Guest (VM) Configuration =============================== Please ensure that Unifire Wire is installed on the guest before proceeding. Refer section 4.1. for more information. To uninstall Unified Wire, please refer section 4.1. for step-by-step instructions. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.5. iSCSI Storport Miniport ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.5.1. Configuring iSCSI Initiator ================================== Follow the steps mentioned below to assign IP, Subnet Mask, Default Gateway and VLAN IDs on port 0. a. Open Device Manager, right click on Chelsio T5 iSCSI Initiator and click on Properties. b. Click on Advanced tab and select IP option and add IP. Similarly add subnet mask and default gateway. c. Select MTU and assign value as per requirement. d. VLAN is disabled by default, so to enable, click on Vlan Insertion and select value as Enabled. e. Assign the required VLAN ID and click OK. Repeat the above mentioned steps to assign these driver properties on other ports. 4.5.2. iSCSI Target Discovery and Login ======================================= Before target discovery, make sure a static IP address is assigned in the Device Manager to the respective Chelsio T5 iSCSI node. Following are the set of instructions to discover the target and login to it using the Chelsio T5 iSCSI interface: a. To start the Initiator configuration, go to Control Panel and click on the iSCSI Initiator option. b. Choose the Discovery tab and click on Discover Portal. c. Click on the Advanced button. d. In the Advanced Settings window, select Chelsio iSCSI interface as the local adapter. e. Select the corresponding Chelsio iSCSI Interface IP as the Initiator IP and click OK. f. Enter the IP address (DNS name not supported) of the target machine and the corresponding port number and click OK on the Discover Target Portal Window. Note that the default port number for iSCSI traffic is 3260. g. Once target portal is added, details like target and initiator machine IP, Port number and Chelsio iSCSI interface IP will be displayed. h. Click on the Targets tab to see the list of targets available, choose a particular target and click on Connect. i. A window pops up showing the Target Name, Click OK. j. After logging in to the target, the state of the target will change from Inactive to Connected. k. After successful login, go to Disk Management and make the respective volume online. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.6. Data Center Bridging (DCB) ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.6.1. Installing DCB ===================== To install DCB on the host machine, open PowerShell with administrative privileges and run the following command: PS C:\Users\Administrator> Install-WindowsFeature -Name "Data-Center-Bridging" -IncludeAllSubFeature -IncludeManagementTools Although not mandatory, it is recommended to reboot the machine after installation. 4.6.2. Enabling QoS =================== QoS can be enabled by using either Device Manager or PowerShell: Using Device Manager -------------------- a. Open the Device Manager. b. Click on "Network adapters". c. Double click on any Chelsio Network Adapter. d. Click the "Advanced" tab. e. Select the "NDIS QoS" property and change the value to Enabled. Using PowerShell ---------------- Open PowerShell with administrative privileges and run the following command: PS C:\Users\Administrator> Get-NetAdapterRdma | where {$_.InterfaceDescription -like "Chelsio*"} | Enable-NetAdapterQos' 4.6.3. Enabling DCB on Switch ============================= To enable DCB functions on a Dell Force10 switch, follow the steps mentioned below: a. Log in to the switch and enter the configuration mode: Login: admin Password: Force10#enable Force10#configure b. Enable DCB and LLDP: Force10(conf)#enable dcb Force10(conf)#protocol lldp Force10(conf-lldp)#no disable c. Set DCBx version to auto: Force10(conf-lldp)#dcbx version auto d. Specify the intervals between hello packets: Force10(conf-lldp)#hello 5 e. Create a DCB map. For example, here we are configuring 2 groups/classes: - Group 0 has BW of 80% with pfc enabled. - Group 1 had BW of 20% with pfc disabled. - Assigning priority groups: Priority 5-7 are under group 0 and 0-4 are under group 1. Force10(conf)#dcb-map win_dcb Force10(conf-dcbmap-win_dcb)# priority-group 0 bandwidth 80 pfc on Force10(conf-dcbmap-win_dcb)# priority-group 1 bandwidth 20 pfc off Force10(conf-dcbmap-win_dcb)# priority-pgid 1 1 1 1 1 0 0 0 f. Enter interface configuration mode and configure protocol LLDP: Force10(conf)#interface tengigabitethernet 0/17 Force10(conf-if-te-0/17)#protocol lldp Force10(conf-if-te-0/17-lldp)#no disable g. Set DCBx version to auto: Force10(conf-if-te-0/17-lldp)#dcbx version auto h. Apply the DCB-MAP created: Force10(conf-if-te-0/17)#dcb-map win_dcb NOTE: For more information, please refer User's Guide. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.7. Unified Wire Manager ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.7.1. Installation =================== a. Run the "UnifiedWireManager-x.x.xx-x64" application. b. Click the Next button for the Chelsio End User License Agreement Window. c. Select the radio button "I accept the terms of the license agreement" and click on "Next" button. d. The next window will display the pre-requisites for various UM components. Ensure that they are met before proceeding. Click "Next". e. Now, either select Complete for complete package installation or else select Custom radio button to customize the installation. Click "Next". f. Now clicking on "Install" button will start installation with the selected options. g. Click on the "Finish" button to exit from the installer. 4.7.2. Management Station Configuration ======================================= Please refer "Unified Wire Manager" chapter in the User's Guide to configure Management Station. 4.7.3. Un-Installation ====================== To uninstall Unified Wire Manager, use "Programs and Features" in the Control Panel. 4.7.4. Verifying UM components status ===================================== Verifying Management Agent -------------------------- a. On the system running Management Agent, launch Services from the Control Panel. You can also type services.msc in the Run command. This will open the Services window. b. Search for Unified Wire Manager in the list of services. You should get the options to stop and restart in the Actions menu on the left side, indicating that Management Agent is already running. Verifying Management Client --------------------------- Execute the following query command to determine if Management Client is installed: C:\Users\Administrator>chelsio_uwcli.exe -V The above query should confirm that Management Client is installed by displaying a similar result: Unified Manager client CLI version : 2.x.yy Verifying Management Station ---------------------------- a. Launch Services from the Control Panel. You can also type services.msc in the Run command. This will open the Services window. b. Search for Unified Wire Management Station in the list of services. You should get the options to stop,start and restart the service in the Actions menu on the left side. 4.7.5. Agent/Station Start/Stop/restart ======================================= a. Launch Services from the Control Panel. You can also type services.msc in the Run command. This will open the Services window. b. Scroll and highlight the "Unified Wire Manager" service. c. Click on Start/Stop/Restart to carry out the respective tasks in the Description section on the left 4.7.6. Client Usage: ====================== Use the following commands to view Management client Help file. C:\Users\Administrator>chelsio_uwcli --help ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4.8. Chelsio UM for WinPE ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Chelsio "UM for Win PE (chelsio_uwlite)" is a light-weight management tool developed for Windows PE (Windows Preinstallation Environment) platform and provides features to view and configure different aspects of the system, including Chelsio adapter installed. The tool provides command-line options to view system related information like list of drivers installed, Chelsio adapters present, etc. You can also view and configure Chelsio adapter settings like card and port properties, flash and erase option ROM, etc. To view the complete list of commands available, invoke the help by typing chelsio_uwlite.exe in the command prompt. The tool can be found in ChelsioUwire-x.x.x.xx\UM in the zip package.In order to use the tool, you will have to add it to boot image when creating bootable Windows PE media. For more information, visit the following link: http://technet.microsoft.com/en-us/library/cc749312%28v=ws.10%29.aspx NOTE: - Only local systems can be managed currently using this tool. - To view syntax and usage examples, please refer User's Guide. 5. Support Documentation ================================================================================ The documentation for this release can be found in the ChelsioUwire-x.x.x.xx\docs\ directory. It contains: - README - Release Notes - User's Guide 6. Customer Support ================================================================================ Please contact Chelsio support at support@chelsio.com for any issues regarding the product. ******************************************************************************** Copyright (C) 2016 Chelsio Communications. All Rights Reserved. The information in this document is furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by Chelsio Communications. Chelsio Communications assumes no responsibility or liability for any errors or inaccuracies that may appear in this document or any software that may be provided in association with this document. Except as permitted by such license, no part of this document may be reproduced, stored in a retrieval system,or transmitted in any form or by any means without the express written consent of Chelsio Communications.