1 files changed, 42 insertions, 2 deletions

diff --git a/Documentation/networking/README.ipw2200 b/Documentation/networking/README.ipw2200
index c6492d3839fa..acb30c5dcff3 100644
--- a/Documentation/networking/README.ipw2200
+++ b/Documentation/networking/README.ipw2200
@@ -10,7 +10,7 @@ both hardware adapters listed above. In this document the Intel(R)
 PRO/Wireless 2915ABG Driver for Linux will be used to reference the
 unified driver.
 
-Copyright (C) 2004-2005, Intel Corporation
+Copyright (C) 2004-2006, Intel Corporation
 
 README.ipw2200
 
@@ -26,9 +26,11 @@ Index
 1.2. Module parameters
 1.3. Wireless Extension Private Methods
 1.4. Sysfs Helper Files
+1.5. Supported channels
 2.   Ad-Hoc Networking
 3.   Interacting with Wireless Tools
 3.1. iwconfig mode
+3.2. iwconfig sens
 4.   About the Version Numbers
 5.   Firmware installation
 6.   Support
@@ -314,6 +316,35 @@ For the device level files, see /sys/bus/pci/drivers/ipw2200:
         running ifconfig and is therefore disabled by default.
 
 
+1.5. Supported channels
+-----------------------------------------------
+
+Upon loading the Intel(R) PRO/Wireless 2915ABG Driver for Linux, a
+message stating the detected geography code and the number of 802.11
+channels supported by the card will be displayed in the log.
+
+The geography code corresponds to a regulatory domain as shown in the
+table below.
+
+                                          Supported channels
+Code    Geography                       802.11bg        802.11a
+
+---     Restricted                      11               0
+ZZF     Custom US/Canada                11               8
+ZZD     Rest of World                   13               0
+ZZA     Custom USA & Europe & High      11              13
+ZZB     Custom NA & Europe              11              13
+ZZC     Custom Japan                    11               4
+ZZM     Custom                          11               0
+ZZE     Europe                          13              19
+ZZJ     Custom Japan                    14               4
+ZZR     Rest of World                   14               0
+ZZH     High Band                       13               4
+ZZG     Custom Europe                   13               4
+ZZK     Europe                          13              24
+ZZL     Europe                          11              13
+
+
 2.   Ad-Hoc Networking
 -----------------------------------------------
 
@@ -353,6 +384,15 @@ When configuring the mode of the adapter, all run-time configured parameters
 are reset to the value used when the module was loaded.  This includes
 channels, rates, ESSID, etc.
 
+3.2 iwconfig sens
+-----------------------------------------------
+
+The 'iwconfig ethX sens XX' command will not set the signal sensitivity
+threshold, as described in iwconfig documentation, but rather the number
+of consecutive missed beacons that will trigger handover, i.e. roaming
+to another access point. At the same time, it will set the disassociation
+threshold to 3 times the given value.
+
 
 4.   About the Version Numbers
 -----------------------------------------------
@@ -408,7 +448,7 @@ For general information and support, go to:
 7.  License
 -----------------------------------------------
 
-  Copyright(c) 2003 - 2005 Intel Corporation. All rights reserved.
+  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