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| author | James Meyer <james.meyer@operamail.com> | 2009-03-14 04:07:05 (GMT) | 
|---|---|---|
| committer | James Meyer <james.meyer@operamail.com> | 2009-03-14 04:07:05 (GMT) | 
| commit | c2941a012cbea19073e72af561b37a1255a1fe6c (patch) | |
| tree | 168850edb01eea2168329eada8f2025bf3f21e23 /abs/core-testing/wlan-ng26-utils-svn/tmp/trunk/FAQ | |
| parent | a501f7114b788b2879bab105ed4dcd7ed6a94f39 (diff) | |
| download | linhes_pkgbuild-c2941a012cbea19073e72af561b37a1255a1fe6c.zip linhes_pkgbuild-c2941a012cbea19073e72af561b37a1255a1fe6c.tar.gz linhes_pkgbuild-c2941a012cbea19073e72af561b37a1255a1fe6c.tar.bz2  | |
Remove wlan-ng26 as the drivers are now in the kernel.
Diffstat (limited to 'abs/core-testing/wlan-ng26-utils-svn/tmp/trunk/FAQ')
| -rw-r--r-- | abs/core-testing/wlan-ng26-utils-svn/tmp/trunk/FAQ | 468 | 
1 files changed, 0 insertions, 468 deletions
diff --git a/abs/core-testing/wlan-ng26-utils-svn/tmp/trunk/FAQ b/abs/core-testing/wlan-ng26-utils-svn/tmp/trunk/FAQ deleted file mode 100644 index 83358fd..0000000 --- a/abs/core-testing/wlan-ng26-utils-svn/tmp/trunk/FAQ +++ /dev/null @@ -1,468 +0,0 @@ -********************** Linux-wlan-ng FAQ ************************** -For additions, corrections, and clarifications, send mail to -solomon@linux-wlan.com with FAQ in the subject. -******************************************************************* - -Q: When will linux-wlan-ng be merged into the mainline kernel? - -	Short answer:  Never. - -	First, the linux-netdev people will soundly reject this driver.   -	I don't begrudge them for this; indeed in their position I'd do  -	exactly the same.  It's a sound engineering decision. - -	linux-wlan-ng is obselete, and effort spent fixing it is better  -	spent elsewhere.  You can't even buy the hardware any longer. - -	The original design for linux-wlan-ng was to separate the 802.11  -	stack from the actual hardware driver.  This added a lot of  -	complexity, but would greatly ease the pain of supporitng  -	multiple hardware types.  Unfortunately, the implementation was  -	turned out to be somewhat flawed, and hardware manufaturers went  -	away from the thick-mac model, leaving linux-wlan-ng overly  -	complex for what it did.   - -	(Ironically, the linux kernel is adopting a similar  -	 separation model, but it is a long way off from being ready) - -	So why not rewrite linux-wlan-ng to be more suitable, the  -	enterprising reader may ask? - -	The kernel already has two drivers for prism2 (cs/pci/plx)  -	hardware -- hostap and orinoco. linux-wlan-ng basically  -	has three features not present in kernel drivers: -	 -		1) USB support -		2) nearly complete implemettion of the 802.11 MIB/MLME -		3) Firmware-based AP support -	 -	(3) requires an expensive license that isn't even available any  -	longer, as the hostap mode works far better -- and is already  -	supported by in-kernel drivers. - -	(2) would need to be removed or completely rewritten in order to  -	be merged, as it does not fit within existing kernel APIs, and  -	it would be effectively merging new kernel APIs. - -	(1) Is the only truly unique thing that linux-wlan-ng does that  -	is generally needed any more. - -	To merge it into the kernel, we'd need to strip out (2), which  -	would necessitate a complete rewrite -- to the point where  -	writing a new driver from scratch is easier.   - -	Basically, it would take far less effort to add USB  -	support to the in-kernel drivers than it would to make  -	linux-wlan-ng acceptable to be merged.  - -	In other words, the short answer is:  Never. - -Q: It doesn't work/compile/sing/dance! - -	First, make sure you're using the latest linux-wlan-ng release -	from http://www.linux-wlan-ng.org.  New releases are infrequent, -	but tthey happen for a reason. - -	If you are using the latest release, you may want to obtain the  -	latest development sources via subversion: - -		svn co svn://svn.shaftnet.org/linux-wlan-ng/trunk - -	Questions and problems with the developement code should be sent  -	to the development mailing list, at: - -		linux-wlan-devel@lists.linux-wlan.com - -Q: What devices does the linux-wlan-ng driver support? - -	Currently, the linux-wlan-ng driver supports the Intersil -	Prism2/2.5/3 chipsets.  These chipsets are used in a wide -	variety of PCMCIA, PCI, and USB products.  If it has a Prism -	chip in it, linux-wlan-ng should support it. - -Q: Will linux-wlan-ng support some feature or funkiness in -   the <pick one> Linux distribution? -  -	Our development target always consists of stock kernels from -	kernel.org and stock pcmcia_cs.  If a given distribution -	chooses to do something funky, we rely on users of that -	distribution to contribute patches to deal with their -	funkiness. - -	The quickest way to get some action on this kind of item is to -	communicate with any users of the same distribution that you -	can find on the linux-wlan-[devel|user] lists about working up -	a patch.  If it's reasonably sane and doesn't break things for -	our development environment or for other distributions, we'll -	be more than happy to roll that patch into the next release.   - -Q: What does "resultcode=implementation_failure" mean? - -	Complicated Answer:  -	Each command that can be issued with wlanctl-ng returns a status -	called "resultcode".  Resultcode is something that we picked up -	from the 802.11 MLME definition.  In the standard, resultcode -	is an enumeration with a fixed set of values.  To be able to -	report failures that a driver detects that are outside the -	context of the 802.11 standard set of resultcode values, we  -	invented the "implementation_failure" value. - -	Simple Answer: -	Go look in your kernel log for more detailed error information. - -Q: I'm trying to use the HostAP/orinoco/aironet/wvlan driver and it -   won't work! - -	That has nothing to do with the linux-wlan-ng driver.  Go ask -	those responsible for those drivers. - -Q: Can I get Debian packages of linux-wlan-ng? -  -A: Packages of linux-wlan-ng are now available in the Debian stable -   tree. - -Q: Where do I find some RPMS for linux-wlan-ng? The ones on -    the ftp are dreadfully out of date! - -	http://prism2.unixguru.raleigh.nc.us/ - -	(Maintained by Tim Miller) - -Q: I installed the RPMs/compiled the driver and installed it and it -   won't work when I try to run 'ifup wlan0' or whatnot. - -	First, ensure you're running the most up-to-date version of -	the driver.  Many problems have been fixed in newer releases. - -	802.11 wireless networks are much more complex than wired -	ethernet networks.  They require much more configuration than -        an ip address.   If you are using pcmcia, edit the file  -        /etc/pcmcia/wlan-ng.opts to set the network parameters.  For -        PCI, PLX, or USB adapters, you need to edit /etc/wlan.conf. -	 -	You also need to make sure you have the correct settings in -	/etc/modules.conf (alias wlan0 prism2_usb).  - -	Might we suggest you read the README file? - -Q: When I try to load the driver, I get a whole bunch of errors about -   unresolved symbols. - -	The running kernel does not match the kernel the driver was -	compiled for.  If you downloaded a RPM, make sure you -        downloaded the correct version for your kernel.  This should not -        happen if you compiled the driver from source -- if it does, the -        kernel configuration you compiled against does not match the -        running kernel.  Probably a screwed-up distro kernel. - -Q: I have a DWL-520 and it won't work! - -	The DWL-520 claims to require a PCI 2.2 compliant motherboard. -        Only fairly new machines support this.  Yes, the box lies.  :) -        Check the documentation for your system and/or motherboard to see if  -	it is PCI 2.2 compliant.   - -	NOTE:  We have some reports of the DWL-520 working on PCI 2.1 -	motherboards; your mileage may vary.  See the following URL: - -		http://www.personaltelco.net/index.cgi/DlinkDwl520 - -        NOTE:  The Linksys WMP11 v2.7 is NOT prism-based, and -	thus not supported by this driver.  The Actiontec PCI board is -	still known to be prism based; you may want to try that instead. - -Q: All I see is "Tx attempt prior to association, frame dropped" - -	You are not associated with an access point.  Double-check the -        settings in /etc/wlan.conf (USB, PCI, PLX) or /etc/pcmcia/wlan-ng.opts -        (for PCMCIA users).    If all of these settings are correct (you -        did check with your admin, right?) make sure the access point -        doesn't have a MAC filter installed or has different WEP settings. - -	If all of this is verified correct, and are using a PCMCIA -	card, try setting the "irq_mode=0" option.  See the -	documentaiton in the pcmcia-cs sources. - -Q: I installed the modules, performed a 'wlanctl-ng wlan0 lnxreq_autojoin' -   command, and it still won't work! - -	You did read the README, didn't you?  You need to perform a  -	"wlanctl-ng wlan0 lnxreq_ifstate ifstate=enable" in order to -        torn on the radio.  The pcmcia scripts and the /etc/init.d/wlan -        script do this for you. - -Q: I have a XXX USB 802.11b device, will it work with this driver? - -	Most 802.11b USB devices use the ATMEL AT76C503A chipset, which -        is not supported by the linux-wlan-ng project.  However, there -	are some prism2.5-based USB adapters, most notably the Linksys -	WUSB v2.5.  The other versions (1.0, 2.6, 3.0) are based on -        ATMEL chipsets.  Another supported USB device is the Actiontec -	802UI3. - -Q: My prism2.5-based USB adapter won't work! - -	An excellent guide can be found at: - -	http://www.fuw.edu.pl/~pliszka/hints/prism2.html -	 -Q: My prism2.5-based USB adapter won't come up if it's plugged in at boot!  - -	Thanks to buggy firmware, it is often necessary to perform a -        device reset on initialization.  You can perform this by adding -        "options prism2_usb prism2_doreset=1" in your /etc/modules.conf - -	Intersil has released Primary firmware 1.1.2, which seems to -	have resolved this problem, at least on our test machines. - -Q: My PC crashes when the USB device is plugged in! - -	This is a result of the port reset necessitated by buggy firmware. - -	You are probably using the 'usb-uhci' driver with an intel -        chipset.  Unfortunately, the crashes happen deep within the USB -        core, so there's nothing the linux-wlan-ng driver can do. - -	In the mean time, try using the 'uhci' host controller driver -        instead ("alias usb-controller uhci" in /etc/modules.conf), or -        plug the USB device into a hub. - -	Linux kernel 2.4.19 is known to improve the situation somewhat, -	but the right way to fix it is to turn off the port reset -	(options prism2_usb prism2_doreset=0).  The current firmware -	from Intersil alleviates the need to perform the reset. - -	UPDATE:  if you're using linux-wlan-ng 0.2.1-pre6 or newer and  -        kernel < 2.4.22-pre, the 'uhci' driver will NOT work without a  -        kernel patch! See: - -	http://lists.linux-wlan.com/pipermail/linux-wlan-devel/2003-May/002369.html - -Q: How come I can't transmit when in monitor mode? - -	You can't.  It's a fundamental "feature" of the hardware. - -Q: How come the /proc/net/wireless info isn't updated when in monitor mode? - -	The definition of "signal quality" refers to the quality of the -	link to the associated access point.  When you're in monitor -	mode, you're not associated, so this information is by defintion  -	irrelevant. - -	And regardless, the hardware doesn't update the registers we poll to -	obtain this information while in monitor mode. - -Q: What do the various monitor mode options do? - -	enable=[true/false]           Turn it on and off.  required. -	channel=[1-14]                Sniff channel.  required. -	prismheader=[true/false]      Optionally preppend a special -                                      radio header on the packet. -				      Defaults to off. -	keepwepflags=[true/false]     If you had WEP configured correctly -				      the card will perform WEP decoding. -				      Defaults to off. -	stripfcs=[true/false]         When true, the 802.11 FCS is not -				      stripped from incoming packets. -				      Defaults off. -	truncate=[number]             Truncates the captured frame.   - -Q: How come iwconfig/iwspy/[random other wireless tool] doesn't work? -	 -	linux-wlan-ng only supports a subset of the wireless -	extensions; generally read-only things.  However, you won't -	need any of those tools as wlan-ng comes with its own set of -	tools that closely mirror the 802.11 spec.  Have a look -	through the documentation and supplied scripts. - -	That said, if more complete (ie read/write) wireless extension -	support is really important to you, you're more than welcome to -	implement it and submit a patch.   - -	As of 0.1.16-pre1, the wireless extension plumbing has been -	re-written, and further support is much easier now.  And many -	more bits are hooked up now than before. - -Q: How do I know exactly what prism variant is on my card? - -	When you load the driver, you see a line which reads like: - -		ident: nic h/w id=0x8008 1.0.0 -                                          -	1.0.0 is the hardware revision.  Below is a (partial) list of IDs. - -		0x8003, 0x8008 :  Prism2 PCMCIA - -		0x800b, 0x800c :  Prism2.5 PCMCIA -		0x8012, 0x8013 :  Prism2.5 PCI -		0x801a, 0x801b :  Prism3 PCMCIA -		0x8021, 0x8022 :  Prism3 PCI -		 -		0x800f, 0x8010 :  Prism2.5 USB  (3863) -		0x801e, 0x801f :  Prism2.5 USB  (3861B) -		0x8025, 0x8026 :  Prism3 USB - -Q: How do I know what firmware my card has? - -	After the driver is loaded and brought into ifstate=enable, you -	will see the following lines in the kernel log: (eg dmesg |grep ident) - -	ident: pri f/w: id=0x15 0.3.0 -	ident: sta f/w: id=0x1f 1.7.1 - -	In this case, the card has primary firmware 0.3.0 and secondary -	firmware 1.7.1.   -	 -	Or, if you are using 0.2.1-pre17 or newer: -	'cat /proc/net/p80211/wlan0/nsd' with the card running. - -Q: How can I update my firmware under Linux? - -	Use the 'prism2dl' utility.  While it does its utmost to ensure  -	you don't fry your card, use it at your own risk.  Even the  -	Intersil-supplied tools fail occasionally. - -Q: Where can I download updated firmware for my Prism2/2.5/3-based card? - -	As of linux-wlan-ng 0.2.1-pre21, the ram download firmware for  -	all supported card types is bundled with the driver.  These  -	images cannot be flashed. - -	A general FAQ on firmware updating is here: -		http://linux.junsun.net/intersil-prism - -	It includes links to some sites with firmware images. - -	We strongly recommend against flashing a new image, instead one  -	should use the ram-download images that are loaded when the -	driver starts, much like the Windows drivers do. - -	See the instructions below for getting this to work. - -Q: What's this about "ram downloading"? - -	This means the driver loads up a firmware images directly into -	card RAM, instead of using the firmware stored in the card's  -	flash ROM.  This lets us ensure we are using the lastest available -	code without risking ruining the hardware due to a bad flashing. - -	linux-wlan-ng will automatically perform a RAM download if you have -	the necessary firmware images. - -Q: Okay, I have new ram download firmware images, where do I put them? - -	copy the *hex files into linux-wlan-ng-XXXX/src/prism2/ -	then build and install the driver per usual. - -Q: Can I use my 802.11b card as an AP under Linux? - -	Yes, and in the true free software fashion, there are several -	ways: - -	a) linux-wlan-ng supports AP operation by using special tertiary -	   firmware on prism devices.  This firmware is not generally -	   available, however.   Contact Intersil for licensing terms. - -	b) The Prism2 HostAP driver uses the special HostAP mode of the -           prism chipsets.            http://people.ssh.com/jkm/Prism2/ - -Q: I have a PCI adapter, and upon resuming from a suspend, the device is not -   responsive.   - -	Much like you need to run some commands to bring the card to life  -	when the PC is first booted, you also need to perform similar  -	steps when the card comes out of suspend.   Run '/etc/init.d/wlan start' -	and all should be well. - -	You'll need to be running 0.1.15-pre3 or newer for this to work -        properly. - -	The prism2.5/3 chipsets do not support PCI power management, so -	this is the best we can realistically do. - -Q: I have a Linksys WMP11, and under moderate to heavy traffic, I get -   errors like "unknown port number" and "invalid frame type" - -	Make sure you're using the latest firmware avaliable from -	Linksys's web site.  According to the firmware release notes: -	 -	 "Changes were made to prevent erroneous data from being  -          transferred over the PCI bus" - -	Note that this problem has also beeen confirmed on the D-Link -	DWL-520.  You will need firmware 1.3.5 or newer to resolve this. - -Q:  I have a D-Link DWL-650/650+/520+ card, why doesn't it work with -    this driver? - -	The DWL-650 comes in at least three flavors; older ones have grey -	antennae, with no revision number on the back.   -	Second-generation  has a black antenna and the back reads  -	"H/W J3 F/W 1.x.x". Both of these will work.  The third- -	generation, with a grey antenna, has "H/W A1, F/W x.x", and -	will NOT work;  It has the same hardware as the "plus" series -	of cards. - -	The "plus" series of cards from D-Link use the Texas Instruments  -	ACX100/TNETW1100 chipset.  TI has not been forthcoming with  -	programming information.  Politely ask TI and D-Link for Linux -	drivers and/or docs. - -	We've been told that TI will be releasing binary-only Linux -	drivers sometime in December.  In the mean time, return the -	card and buy one that works with Linux. -	 -Q: I have a Linksys WMP11 v2.7 card; why doesn't it work with this driver? - -	Linksys, in their grand tradition, likes to introduce completely -	new cards but re-use the model number.  The WMP11 v2.7 utilizes the -	Broadcomm chipset, and is not supported by linux-wlan-ng.  Politely -	ask Linksys and/or Broadcomm for Linux drivers and/or docs. - -Q: What other resources are there for Wireless LANs under Linux? - -	http://www.fuw.edu.pl/~pliszka/hints/wireless.html - -	http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Linux.Wireless.drivers.html - -Q: I'm using RedHat 8.x+ (or Fedora Core), and I get this error when  -   trying to ifup wlan0: - -	Error for wireless request "Set Encode" (8B2A) : -	    SET failed on device wlan0 ; Function not implemented. -	Error for wireless request "Set ESSID" (8B1A) : -	    SET failed on device wlan0 ; Function not implemented. - -	 -	You can safely ignore this; it is there because linux-wlan-ng -	does not currently use the wireless extension commands for -	configuration. - -Q: When the prism2_cs module loads, I see the message "RequestIRQ: -   Resource in use" and the load fails! What's going on? - -   Is your card a 16-bit PCMCIA card? If it is, you may need to -   recompile your kernel with ISA bus support enabled (CONFIG_ISA=y). -   The PCMCIA core uses ISA bus support to help determine what IRQs -   are available for the card. Without it, the PCMCIA core may not be -   able to select an IRQ. - -Q: After installing linux-wlan-ng on my RedHat 9 system, pcmcia no  -   longer works! - -	This is due to a bug in the RedHat 9 pcmcia startup scripts. -	On or about line 105 in /etc/init.d/pcmcia, remove all of the -	'.o' suffixes on the modprobe command lines.  It should read  -	something like this: - -            if [ -d $PC ] ; then -                echo -n " modules" -                /sbin/modprobe pcmcia_core $CORE_OPTS -                /sbin/modprobe $PCIC $PCIC_OPTS -                /sbin/modprobe ds -            elif [ -d $KD ] ; then -                /sbin/modprobe pcmcia_core -                /sbin/modprobe $PCIC -                /sbin/modprobe ds -            else -  | 
