+Very important note :
+-------------------
+ This release of the Wireless Tools is not compatible with Wireless
+ Extensions earlier than 9.
+ Kernels that support this version of the Wireless Tools are listed
+ below. For all kernels before that, please use the version v19 of
+ the Wireless Tools.
+ You might have headers troubles and it doesn't compile, see below...
+
You need :
--------
- o A kernel supporting wireless extensions
- -> from 2.1.17 onward
- -> from 2.0.30 onward
- -> patch available for 1.2.13
+ o Compiler and development environment
+ o A kernel supporting wireless extensions version 9 or higher
+ -> from 2.2.14 onward
+ -> from 2.3.24 onward
Note : CONFIG_NET_RADIO must be enabled
- o Driver supporting wireless extensions
- -> Wavelan isa from kernel 2.1.17 onward
- -> Wavelan pcmcia from pcmcia 2.9.2 onward
- -> Netwave pcmcia from pcmcia 2.9.12 onward
- -> Wavelan IEEE pcmcia drivers
- -> Proxim RangeLan2/Symphony driver
- -> Patch your favourite driver
+ o (Optional) A Pcmcia package supporting Wireless Extension
+ o A driver supporting wireless extensions
+ -> Check my web pages for latest list of drivers,
+ otherwise patch your favourite driver...
Note : more recent kernels and drivers are likely to support
more wireless extension features...
+Recommended versions :
+--------------------
+ This are the latest updates of the Wireless Extensions :
+ o Kernel (wireless extension definition) :
+ -> Kernel 2.2.14 onward
+ -> Kernel 2.3.24 onward
+ -> Kernel 2.4.0 onward
+ o Pcmcia package :
+ -> Pcmcia 3.1.15 onward
+ o Drivers with wireless extension support :
+ -> Check my web pages for latest list of drivers,
+ otherwise patch your favourite driver...
+
Compile wireless tools :
----------------------
- In theory, a make should suffice.
- In practice, there is big troubles with the headers. Depending
-on which version of the kernel headers (might be different from
-kernel) and library headers you have, you need to play with the
-options buried in iwcommon.h.
+ In theory, a "make" should suffice to create the tools.
+ In practice, there is big troubles with the kernel
+headers. See below for how to fix that.
+ Note : as some internal data structures change from kernel to
+kernel, you are advised to not use the precompiled version of the
+tools but to recompile your own.
+Installation :
+------------
+ If I were you, I would not trust a "make install". If you feel
+courageous, just do "make install". It may even do the right thing.
+ I advise to copy the executable (iwconfig, iwspy and iwpriv)
+in /usr/local/sbin or /usr/sbin. The man pages (iwconfig.8, iwspy.8
+and iwpriv.8) should be copied in /usr/local/man/man8 or
+/usr/man/man8.
+ In fact, if you want to use Pcmcia wireless.opts, this step is
+mandatory...
-This package was originally created by:
-
- Jean <jt@hpl.hp.com>
+Kernel headers (why it doesn't compile) :
+---------------------------------------
+ Some changes in the kernel headers and glibc headers are
+making my life difficult. We now have a mechanism to automatically
+select the proper header based on various bits of information (libc
+version & kernel version), but it may fail to do the right thing.
+ You may also see the message :
+ "Your kernel/libc combination is not supported"
+ If this happens to you, you will need to hack the rules at the
+top of iwlib.h and send me the patch.
-And is now being maintained by:
- Justin Seger <jseger@media.mit.edu>
+ The second issue is that some distributions install some
+independant kernel headers in /usr/include. If you upgrade your
+kernel, those headers become out of sync and you don't benefit from
+the latest Wireless Extensions. Even worse, it can sometimes prevent
+the tools from compiling.
+ The trick is to copy the file .../include/linux/wireless.h
+from the kernel to the /usr/include headers.
+ A similar procedure may be used to update Wireless Extensions
+in an older kernel...
-It seem that I've been taking over !
Jean <jt@hpl.hp.com>
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