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RedHatWL200AP
Red Hat 7.3 as a full wireless AP + wireless WAN interfaceIntroduction
This setup is to have a Red Hat 7.3 linux box configured with a Compaq WL200 PCI Wireless card as a full AP Interface in master mode using the Hostap Driver, Also having a Enterasys RoamAbout wireless PC card as a a WAN point to point interface in ad-hoc mode using the Orinoco driver.1. Requirements
1.1 Hardware
Compaq WL200 wireless PCI card.Enterasys RoamAbout wireless PC card.Ricoh RL5c475 PCI cradle.
1.2 Software
Redhat Linux 7.3Pcmcia-cs version 3.2.0 (Jun 2004: current version is 3.2.7)Host AP driver version 2002-05-19 (Jun 2004: current version is hostap-driver-0.1.3)Orinoco driver version 0.12b (Jun 2004: current version orinoco-0.13e) Wireless tools version 24 (Jun 2004: current version wireless_tools.26)1.3 Firmware
Prism firmware version 0.8.3 for WL200.Orinoco firmware version 8.10 for RoamAbout.2. Compile New Kernel With No PCMCIA/CardBus Support
Change to kernel source directory (eg. cd /usr/src/linux-2.4.18-3).(Jun 2004: The newer pcmcia-cs package will look for the kernel at /usr/src/linux. This link should be present in most newer distributions. If not create a symlink to the versioned kernel. This is now the preferred method of linking to the kernel source tree.)
Edit the Makefile (eg. Vi Makefile), and change the EXTRAVERSION = -3custom statement in the (approx) 4th line down.
Remove the word custom so that it's EXTRAVERSION = -3 and Save this change.
Run make menuconfig (or you can use make xconfig).
In the Main menu
- select General setup --->.
- then deselect PCMCIA/CardBus support ---> in the General setup menu.
- Exit
- Select Network device support ---> in the Main menu.
- In the Network device support menu scroll down,
- and Select Wireless LAN (non-hamradio) --->.
- In the wireless LAN (non-hamradio) menu,
- ensure [*] Wireless LAN (non-hamradio) is selected by having a * in the [ ]
- Un-select all other devices list below Wireless LAN (non-hamradio) by removing all * or M next to them.
- Exit and save config.
Run make clean
Run make dep and when finished make the image,
Run make bzImage-2002-08-09 (or what ever name you want to call it)
Time to test the new kernel.
2.1 Boot New Kernel Using GRUB
If you are using grub as the boot manager, then edit /boot/grub/grub.confEnter the following at the bottom of the grub.conf file.
Title Red Hat Linux (2.4.18-3 mykernel) root (hd0,0) kernel /bzImage-2002-08-09 ro root=/dev/hda3
Save the changes and test boot.
2.2 Boot New Kernel Using LILO
If you are using LILO as the boot manager, then edit /etc/lilo.confEnter the following at the bottom of lilo.conf file
image = /bzImage-2202-08-09 label = Red Hat Linux (2.4.18-3 mykernel)
Save the changes and run lilo -v, so that it writes out lilo.conf and makes system bootable, then test boot.
2.3 Compile and Install Modules
Once you have test booted ok. Return to the kernel source directory and do the following...Run make modules
Run make modules_install
Reboot again to test.
3. Complile and Install PCMCIA and Wireless Card Drivers
3.1 PCMCIA-CS Driver
Download thelatest pcmcia-cs package. Change to the directory, where you want the files to unpacked(eg. cd /usr/src) and Unpack it using tar -zxf <path where downloaded file was saved to>/file.tar.gz 3.2 Hostap Driver
Download thelatest hostap-driver package and change to the directory, where you want the files to be unpacked and unpack it.Eg. Copy all the files and sub-directories in /Prism2-2002-05-19/driver (or /hostap-driver-0.1.x/driver) to root of pcmcia-cs source directory
3.3 Orinoco Driver
If you want to compile Orinoco driver for Enterasys PCMCIA card.Download the
latest Orinoco package, and unpack it.Eg. Copy all .c and .h files to pcmcia-cs wireless sub-directory (pcmcia-cs-3.2.x/wireless), and hermes.conf to etc sub-directory (pcmcia-cs-3.2.x/etc).
3.4 Compile and Install
Change to pcmcia-cs source directory (eg. cd /usr/src/pcmcia-cs-3.2.0).Run make config (ensure the default kernel source directory is correct).
Use default for other options.
Run make all then
Run make install
Additional
PCMCIA-HOWTO: Compilation and installation information is available.(Jun 2004: For the newer pcmcia-cs-3.2.7 version make config has been replaced with Configure. Run this command, point it to the /usr/src/linux tree and accept the remaining defaults. It will output the configuration to the screen, check it and fix if necessary)
3.5 IRQ Routing
Because the default setting is to use ISA, We need to tell the system to use PCI for this card.Edit /etc/sysconfig/pcmcia and Add this line to it (WL200 need this to work).
PCIC_OPTS='irq_mode=1'
If you want to have a ricoh chipset pci cradle and enterasys card, to coexist with WL200, then add this.
PCIC_OPTS='irq_mode=1 irq_list=0'
If the above doen't work for your system try adding extra_sockets=1.
3.6 Network Parameters
To set the IP address, subnet mask, etc, for wireless interfacesEdit this file /etc/pcmcia/network.opts
More info is available,
Linux PCMCIA HOWTO: Usage and features.3.7 Wireless Parameters
To set any wireless interfaces to a specific settings (eg. channel, essid, etc).Edit this file /etc/pcmcia/wireless.opts
Visit
PCMCIA Wireless Configuration for more information.Todo list
- Add firmware upgrade howto.
- confirm this procedure
- did it work for you
- have any instructions changed
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