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-
-Intel(R) PRO/Wireless 2100 Driver for Linux in support of:
-
-Intel(R) PRO/Wireless 2100 Network Connection
-
-Copyright (C) 2003-2006, Intel Corporation
-
-README.ipw2100
-
-Version: git-1.1.5
-Date : January 25, 2006
-
-Index
------------------------------------------------
-0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
-1. Introduction
-2. Release git-1.1.5 Current Features
-3. Command Line Parameters
-4. Sysfs Helper Files
-5. Radio Kill Switch
-6. Dynamic Firmware
-7. Power Management
-8. Support
-9. License
-
-
-0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
------------------------------------------------
-
-Important Notice FOR ALL USERS OR DISTRIBUTORS!!!!
-
-Intel wireless LAN adapters are engineered, manufactured, tested, and
-quality checked to ensure that they meet all necessary local and
-governmental regulatory agency requirements for the regions that they
-are designated and/or marked to ship into. Since wireless LANs are
-generally unlicensed devices that share spectrum with radars,
-satellites, and other licensed and unlicensed devices, it is sometimes
-necessary to dynamically detect, avoid, and limit usage to avoid
-interference with these devices. In many instances Intel is required to
-provide test data to prove regional and local compliance to regional and
-governmental regulations before certification or approval to use the
-product is granted. Intel's wireless LAN's EEPROM, firmware, and
-software driver are designed to carefully control parameters that affect
-radio operation and to ensure electromagnetic compliance (EMC). These
-parameters include, without limitation, RF power, spectrum usage,
-channel scanning, and human exposure.
-
-For these reasons Intel cannot permit any manipulation by third parties
-of the software provided in binary format with the wireless WLAN
-adapters (e.g., the EEPROM and firmware). Furthermore, if you use any
-patches, utilities, or code with the Intel wireless LAN adapters that
-have been manipulated by an unauthorized party (i.e., patches,
-utilities, or code (including open source code modifications) which have
-not been validated by Intel), (i) you will be solely responsible for
-ensuring the regulatory compliance of the products, (ii) Intel will bear
-no liability, under any theory of liability for any issues associated
-with the modified products, including without limitation, claims under
-the warranty and/or issues arising from regulatory non-compliance, and
-(iii) Intel will not provide or be required to assist in providing
-support to any third parties for such modified products.
-
-Note: Many regulatory agencies consider Wireless LAN adapters to be
-modules, and accordingly, condition system-level regulatory approval
-upon receipt and review of test data documenting that the antennas and
-system configuration do not cause the EMC and radio operation to be
-non-compliant.
-
-The drivers available for download from SourceForge are provided as a
-part of a development project. Conformance to local regulatory
-requirements is the responsibility of the individual developer. As
-such, if you are interested in deploying or shipping a driver as part of
-solution intended to be used for purposes other than development, please
-obtain a tested driver from Intel Customer Support at:
-
-http://www.intel.com/support/wireless/sb/CS-006408.htm
-
-1. Introduction
------------------------------------------------
-
-This document provides a brief overview of the features supported by the
-IPW2100 driver project. The main project website, where the latest
-development version of the driver can be found, is:
-
- http://ipw2100.sourceforge.net
-
-There you can find the not only the latest releases, but also information about
-potential fixes and patches, as well as links to the development mailing list
-for the driver project.
-
-
-2. Release git-1.1.5 Current Supported Features
------------------------------------------------
-- Managed (BSS) and Ad-Hoc (IBSS)
-- WEP (shared key and open)
-- Wireless Tools support
-- 802.1x (tested with XSupplicant 1.0.1)
-
-Enabled (but not supported) features:
-- Monitor/RFMon mode
-- WPA/WPA2
-
-The distinction between officially supported and enabled is a reflection
-on the amount of validation and interoperability testing that has been
-performed on a given feature.
-
-
-3. Command Line Parameters
------------------------------------------------
-
-If the driver is built as a module, the following optional parameters are used
-by entering them on the command line with the modprobe command using this
-syntax:
-
- modprobe ipw2100 [<option>=<VAL1><,VAL2>...]
-
-For example, to disable the radio on driver loading, enter:
-
- modprobe ipw2100 disable=1
-
-The ipw2100 driver supports the following module parameters:
-
-Name Value Example:
-debug 0x0-0xffffffff debug=1024
-mode 0,1,2 mode=1 /* AdHoc */
-channel int channel=3 /* Only valid in AdHoc or Monitor */
-associate boolean associate=0 /* Do NOT auto associate */
-disable boolean disable=1 /* Do not power the HW */
-
-
-4. Sysfs Helper Files
----------------------------
------------------------------------------------
-
-There are several ways to control the behavior of the driver. Many of the
-general capabilities are exposed through the Wireless Tools (iwconfig). There
-are a few capabilities that are exposed through entries in the Linux Sysfs.
-
-
------ Driver Level ------
-For the driver level files, look in /sys/bus/pci/drivers/ipw2100/
-
- debug_level
-
- This controls the same global as the 'debug' module parameter. For
- information on the various debugging levels available, run the 'dvals'
- script found in the driver source directory.
-
- NOTE: 'debug_level' is only enabled if CONFIG_IPW2100_DEBUG is turn
- on.
-
------ Device Level ------
-For the device level files look in
-
- /sys/bus/pci/drivers/ipw2100/{PCI-ID}/
-
-For example:
- /sys/bus/pci/drivers/ipw2100/0000:02:01.0
-
-For the device level files, see /sys/bus/pci/drivers/ipw2100:
-
- rf_kill
- read -
- 0 = RF kill not enabled (radio on)
- 1 = SW based RF kill active (radio off)
- 2 = HW based RF kill active (radio off)
- 3 = Both HW and SW RF kill active (radio off)
- write -
- 0 = If SW based RF kill active, turn the radio back on
- 1 = If radio is on, activate SW based RF kill
-
- NOTE: If you enable the SW based RF kill and then toggle the HW
- based RF kill from ON -> OFF -> ON, the radio will NOT come back on
-
-
-5. Radio Kill Switch
------------------------------------------------
-Most laptops provide the ability for the user to physically disable the radio.
-Some vendors have implemented this as a physical switch that requires no
-software to turn the radio off and on. On other laptops, however, the switch
-is controlled through a button being pressed and a software driver then making
-calls to turn the radio off and on. This is referred to as a "software based
-RF kill switch"
-
-See the Sysfs helper file 'rf_kill' for determining the state of the RF switch
-on your system.
-
-
-6. Dynamic Firmware
------------------------------------------------
-As the firmware is licensed under a restricted use license, it can not be
-included within the kernel sources. To enable the IPW2100 you will need a
-firmware image to load into the wireless NIC's processors.
-
-You can obtain these images from <http://ipw2100.sf.net/firmware.php>.
-
-See INSTALL for instructions on installing the firmware.
-
-
-7. Power Management
------------------------------------------------
-The IPW2100 supports the configuration of the Power Save Protocol
-through a private wireless extension interface. The IPW2100 supports
-the following different modes:
-
- off No power management. Radio is always on.
- on Automatic power management
- 1-5 Different levels of power management. The higher the
- number the greater the power savings, but with an impact to
- packet latencies.
-
-Power management works by powering down the radio after a certain
-interval of time has passed where no packets are passed through the
-radio. Once powered down, the radio remains in that state for a given
-period of time. For higher power savings, the interval between last
-packet processed to sleep is shorter and the sleep period is longer.
-
-When the radio is asleep, the access point sending data to the station
-must buffer packets at the AP until the station wakes up and requests
-any buffered packets. If you have an AP that does not correctly support
-the PSP protocol you may experience packet loss or very poor performance
-while power management is enabled. If this is the case, you will need
-to try and find a firmware update for your AP, or disable power
-management (via `iwconfig eth1 power off`)
-
-To configure the power level on the IPW2100 you use a combination of
-iwconfig and iwpriv. iwconfig is used to turn power management on, off,
-and set it to auto.
-
- iwconfig eth1 power off Disables radio power down
- iwconfig eth1 power on Enables radio power management to
- last set level (defaults to AUTO)
- iwpriv eth1 set_power 0 Sets power level to AUTO and enables
- power management if not previously
- enabled.
- iwpriv eth1 set_power 1-5 Set the power level as specified,
- enabling power management if not
- previously enabled.
-
-You can view the current power level setting via:
-
- iwpriv eth1 get_power
-
-It will return the current period or timeout that is configured as a string
-in the form of xxxx/yyyy (z) where xxxx is the timeout interval (amount of
-time after packet processing), yyyy is the period to sleep (amount of time to
-wait before powering the radio and querying the access point for buffered
-packets), and z is the 'power level'. If power management is turned off the
-xxxx/yyyy will be replaced with 'off' -- the level reported will be the active
-level if `iwconfig eth1 power on` is invoked.
-
-
-8. Support
------------------------------------------------
-
-For general development information and support,
-go to:
-
- http://ipw2100.sf.net/
-
-The ipw2100 1.1.0 driver and firmware can be downloaded from:
-
- http://support.intel.com
-
-For installation support on the ipw2100 1.1.0 driver on Linux kernels
-2.6.8 or greater, email support is available from:
-
- http://supportmail.intel.com
-
-9. License
------------------------------------------------
-
- Copyright(c) 2003 - 2006 Intel Corporation. All rights reserved.
-
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License (version 2) as
- published by the Free Software Foundation.
-
- This program is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- more details.
-
- You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc., 59
- Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- The full GNU General Public License is included in this distribution in the
- file called LICENSE.
-
- License Contact Information:
- James P. Ketrenos <ipw2100-admin@linux.intel.com>
- Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
-