文件列表:

prism driver\linux-wlan-ng-0.2.9.tar.bz2 (804061, 2008-06-14)
prism driver\linux-wlan-ng-0.2.9.tar.bz2.asc (189, 2008-06-14)
prism driver\新建 文本文档.txt (71, 2009-06-03)
prism driver (0, 2009-06-03)

* README * * Copyright (C) 2001 AbsoluteValue Systems, Inc. All Rights Reserved. * -------------------------------------------------------------------- * * linux-wlan * * The contents of this file are subject to the Mozilla Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * Alternatively, the contents of this file may be used under the * terms of the GNU Public License version 2 (the "GPL"), in which * case the provisions of the GPL are applicable instead of the * above. If you wish to allow the use of your version of this file * only under the terms of the GPL and not to allow others to use * your version of this file under the MPL, indicate your decision * by deleting the provisions above and replace them with the notice * and other provisions required by the GPL. If you do not delete * the provisions above, a recipient may use your version of this * file under either the MPL or the GPL. * * -------------------------------------------------------------------- * * Inquiries regarding the linux-wlan Open Source project can be * made directly to: * * AbsoluteValue Systems Inc. * info@linux-wlan.com * http://www.linux-wlan.com * * -------------------------------------------------------------------- * * Portions of the development of this software were funded by * Intersil Corporation as part of PRISM(R) chipset product development. * * -------------------------------------------------------------------- ======================================================================= Description: The linux-wlan package is a linux device driver and subsystem package that is intended to provide the full range of IEEE 802.11 MAC management capabilities for use in user-mode utilities and scripts. The package currently supports the Intersil 802.11b Prism2, Prism2.5, and Prism3 reference designs for PCMCIA, PCI, and USB. Additionally, the package includes support for PLX9052 based PCI to PCMCIA adapter with a few different PCMCIA cards. For a list of elements that are still undone, see the TODO file in this directory ======================================================================= License: See the COPYING and LICENSE files. ======================================================================= Top level directory for linux-wlan-ng: ./add-ons - additional programs that are not build from the top level make file ./doc - source distribution documentation ./etc - scripts used at run-time ./man - man pages ./scripts - contributed scripts that may do useful things ./src - source code for various components ======================================================================= Build Instructions: NOTE: You may not need to build at all. Binary packages are available for various distributions. See the FAQ for where to go. NOTE: This release supports building four different drivers: prism2_cs Driver for Prism2.x & Prism3 PCMCIA cards. prism2_pci Driver for Prism2.5 (ISL3874) based _native_ PCI cards. prism2_plx Driver for Prism2.x PCMCIA cards when used with a PLX9052 PCI/PCMCIA adapter. prism2_usb Driver for Prism2.x USB adapters. Prerequisites: To build linux-wlan-ng you will need: - Configured kernel source code for the kernel you are running. Ideally, this will be the resulting tree after building your own kernel. Configured means that you have at least run 'make config', 'make menuconfig', or 'make xconfig'. If you are trying to build linux-wlan-ng for a previously existing kernel binary (one you did not build yourself), look for help on the mailing lists because it can be tricky. I always run against kernels I've built myself, so I'm not much help in this area. - The good David Leffler identified that if you are having difficulty with *_netlink_* symbols, you may have a problem with 'make clean' in the kernel tree. Do a 'make mrproper' followed by 'make config' and the rest of the kernel build process. 'make mrproper' does a more thorough cleaning of the kernel tree. For more info, look for David's comments in the linux-wlan-user mailing list. - If you are building a driver for a PCMCIA card, you will also need the configured PCMCIA source code for the pcmcia_cs subsystem you are currently running. Building linux-wlan-ng: 1) untar the package using the command: tar zxvf linux-wlan-ng-X.Y.Z.tar.gz 2) Make sure you have configured kernel and (optionally) pcmcia sources on your system. Note that if you are _only_ building the prism2_pci, prism2_plx, or prism2_usb drivers you don't need the pcmcia-cs source tree. 3) To configure the linux-wlan-ng package, run 'make config'. The following set of questions will be asked. The default answer is in braces (e.g. []). Just press to select the default answer: - "Build Prism2.x PCMCIA Card Services (_cs) driver? (y/n) [y]: " Select "y" if you want to build the Prism PCMCIA driver. If you select "n", the PCMCIA related questions below will not be asked. - Build Prism2 PLX9052 based PCI (_plx) adapter driver? (y/n) [y]: Select "y" if you want to build the Prism driver for PLX PCI9052 PCI/PCMCIA adapter based solutions. - Build Prism2.5 native PCI (_pci) driver? (y/n) [y]: Select "y" if you want to build the Prism driver for Prism2.5 ISL3874 based native PCI cards. This includes PCI add-in cards and the mini-pci modules included in some notebook computers (but not all, some use internal USB modules). - Build Prism2.5 USB (_usb) driver? (y/n) [y]: Select "y" if you want to build the Prism driver for Prism2.5 ISL3873 based USB adapters. This includes USB add-on modules and the internal modules included in some notebook computers. - Linux source directory [/usr/src/linux]: The config script will attempt to automagically find your kernel source directory. If found, the kernel source source directory will be presented as the default selection. If the default selection is wrong, you may correct it here. - pcmcia-cs source dir [/usr/src/pcmcia-cs-3.1.29]: If the "_cs" driver is selected above, the configure script will attempt to present a reasonable default for the pcmcia source directory. If the presented directory is incorrect, you may change it here. If the "_cs" driver is not selected, this prompt will not appear. - PCMCIA script directory [/etc/pcmcia]: If the "_cs" driver is selected, this prompt allows you to change the location where the pcmcia scripts will be installed. Only do this if you have installed the rest of the pcmcia_cs scripts to a non-default location. - Alternate target install root directory on host []: This prompt allows you to specify an alternative root directory for the install process. - Module install directory [/lib/modules/2.2.20]: Select where you want the driver modules to be installed. The script constructs a default location using the output of uname. If you have not yet installed the kernel you will run linux-wlan with, and the new kernel has a different version string, you will need to change this value. - Prefix for build host compiler? (rarely needed) []: When cross-compiling or using different compilers for kernel and user-mode software, it is sometimes (but rarely) necessary to specify a different compiler prefix to use when compiling the _tools_ that are built to run on the build host during the linux-wlan-ng build process. - Build for debugging (see doc/config.debug) (y/n) [y]: This option enables the inclusion of debug output generating statements in the driver code. Note that enabling those statements requires the inclusion of insmod/modprobe command line arguments when loading the modules. See the document doc/config.debug for more information. 5) To build the package, run 'make all' 6) To install the package, run 'make install' (as root). ======================================================================= Configuring: NOTE: linux-wlan-ng does not fully implement the wireless extensions interface. This means that you can't use iwconfig and its kin to set things up. Instead, read on! As of linux-wlan-ng 0.1.16-pre5, the configuration and launch scripts have been largely re-written. pcmcia/rc/hotplug now all use a common library of routines and use the same set of configuration files. Now, everything relevant exists in /etc/wlan/* /etc/wlan/wlan.conf: This file maps between wlan devices and network IDs, and contains the names of all devices that should be initialized by the hotplug and rc scripts. /etc/wlan/wlancfg-* These files are per-network configurations. This makes it easy to switch between different SSIDs and the various settings they may require, like WEP keys and whatnot. The bare minimum you need to do to configure your system after a fresh driver install: 0) Nothing whatsoever. out-of-the-box, the driver will attempt to associate with any access point within range. However, we highly recommend setting up a configuration specifically for your network, using the following method: 0) This example assumes your network name/SSID is "MyHomeNetwork" 1) cp /etc/wlan/wlancfg-DEFAULT /etc/wlan/wlancfg-MyHomeNetwork 2) edit /etc/wlan/wlan.conf and change the SSID_wlan0 line to: SSID_wlan0="MyHomeNetwork" 3) edit /etc/wlan/wlancfg-MyHomeNetwork, and make any necessary changes necessary to support your network, such as WEP and whatnot. ------------------------------ FOR PCMCIA USERS: A) Edit /etc/pcmcia/network.opts file to set up your IP settings. Note: for a station, the SSID you're connecting to will be appended to the current pcmcia scheme name. You can use this to have different IP setups for different wireless LANs you connect to (e.g. home vs. work). Note2: This only applies if you are using a stock pcmcia-cs package. Most (if not all) distros use their own mechanisms for configuring pcmcia network interfaces, and thus /etc/pcmcia/network.opts may not even be present. B) Restart pcmcia-cs with the command: /etc/rc.d/init.d/pcmcia restart C) Insert the card. For most cards, a solid LED indicates that the SSID you specified was found, a bss was joined, and the firmware completed the authenticate and associate processes. D) Run ifconfig and route to determine if your IP and route settings are listed as you wanted them. It's also a good idea to look at the file /etc/resolv.conf to see if your nameserver address has been set up correctly. ------------------------------ FOR PCI, PLX, OR USB USERS: A) You must make sure that the drivers get loaded at boot time and that the necessary initialization takes place. The simplest way to do this is to add the following commands to your rc.local file: modprobe prism2_pci [or prism2_usb/prism2_plx] wlanctl-ng wlan0 lnxreq_ifstate ifstate=enable wlanctl-ng wlan0 lnxreq_autojoin ssid= authtype=opensystem ifconfig wlan0 netmask broadcast route add default gw Also, don't forget to set up your resolv.conf to point at your DNS server. B) Alternatively, you can use the rc.wlan script, which ties into the /etc/wlan/* configuration files mentioned above. We currently don't create the softlink from the runlevel directories to the wlan startup script due to differences in distributions, but the scripts are redhat-aware, and can be extended to hook into other tools easily. (patches welcome!) Just make sure it is brought up early in the process, namely, before the the network interfaces are brought up. C) Add an alias for wlan0 in /etc/modules.conf. For example, a usb interface on wlan0 would be set up as: alias wlan0 prism2_usb Substitute prism2_plx or prism2_pci as appropriate. ------------------------------ FOR USB USERS: A) Make sure your kernel usb support is running B) Plug in the Prism2.x USB device C) Run 'modprobe prism2_usb prism2_doreset=1' to load the driver into memory. D) Run 'wlanctl-ng wlan0 lnxreq_ifstate ifstate=enable' to initialize the driver+MAC functions. E) Run 'wlanctl-ng wlan0 lnxreq_autojoin ssid= authtype=opensystem' to enable the MAC in Infrastructure Station mode. F) Run 'ifconfig wlan0 ' Or, you can use the provided hotplug scripts, if your distribution has hotplug support. :) IMPORTANT: Due to an issue with some versions of the Prism USB firmware, the driver usually needs to perform a port reset. Some combinations of usb low-level drivers, kernel releases, and hardware don't like this, and usually end up generating a kernel OOPS. newer kernels are much better in this regard. In particular, Intel usb controllers are the most trouble-prone. The OOPS is due to bugs in the linux USB core, and newer kernels (2.4.19 and later) behave much better in this regard. However, the good news is that primary firmware 1.1.2 seems to resolve the need for the port reset to begin with. Contact your vendor to request this update. Also, using the 'Alt. UHCI' controller driver (uhci.o) is broken with kernels older than 2.4.22 due to a bug in the controller driver.

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