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Commit c4e9b56e authored by Jeff Kirsher's avatar Jeff Kirsher Committed by David S. Miller
Browse files

igbvf.txt: Add igbvf Documentation 



Adds documentation for the igbvf (igb virtual function driver).

  v2:
   - Removed trailing white space
   - Removed Ethtool version info

Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: default avatarJeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b55c52b1

Documentation/networking/igbvf.txt

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Linux* Base Driver for Intel(R) Network Connection

==================================================



Intel Gigabit Linux driver.

Copyright(c) 1999 - 2010 Intel Corporation.



Contents

========



- Identifying Your Adapter

- Additional Configurations

- Support



This file describes the igbvf Linux* Base Driver for Intel Network Connection.



The igbvf driver supports 82576-based virtual function devices that can only

be activated on kernels that support SR-IOV. SR-IOV requires the correct

platform and OS support.



The igbvf driver requires the igb driver, version 2.0 or later. The igbvf

driver supports virtual functions generated by the igb driver with a max_vfs

value of 1 or greater. For more information on the max_vfs parameter refer

to the README included with the igb driver.



The guest OS loading the igbvf driver must support MSI-X interrupts.



This driver is only supported as a loadable module at this time.  Intel is

not supplying patches against the kernel source to allow for static linking

of the driver.  For questions related to hardware requirements, refer to the

documentation supplied with your Intel Gigabit adapter.  All hardware

requirements listed apply to use with Linux.



Instructions on updating ethtool can be found in the section "Additional

Configurations" later in this document.



VLANs: There is a limit of a total of 32 shared VLANs to 1 or more VFs.



Identifying Your Adapter

========================



The igbvf driver supports 82576-based virtual function devices that can only

be activated on kernels that support SR-IOV.



For more information on how to identify your adapter, go to the Adapter &

Driver ID Guide at:



    http://support.intel.com/support/go/network/adapter/idguide.htm



For the latest Intel network drivers for Linux, refer to the following

website.  In the search field, enter your adapter name or type, or use the

networking link on the left to search for your adapter:



    http://downloadcenter.intel.com/scripts-df-external/Support_Intel.aspx



Additional Configurations

=========================



  Ethtool

  -------

  The driver utilizes the ethtool interface for driver configuration and

  diagnostics, as well as displaying statistical information.



  http://sourceforge.net/projects/gkernel.



Support

=======



For general information, go to the Intel support website at:



    http://support.intel.com



or the Intel Wired Networking project hosted by Sourceforge at:



    http://sourceforge.net/projects/e1000



If an issue is identified with the released source code on the supported

kernel with a supported adapter, email the specific information related

to the issue to e1000-devel@lists.sf.net