http://www.alfa.com.tw/in/front/bin/ptdetail.phtml?Part=UBDo-gt5&Category=106473Release Date: 2006-02-09, ver 1.2
RTL8187 Linux driver version 1.2
--This driver supports RealTek RTL8187 Wireless LAN driver for
Fedora Core 2/3/4/5, Debian 3.1, Mandrake 10.2/Mandriva 2006,
SUSE 9.3/10.1/10.2, Gentoo 3.1, etc.
- Support Client mode for either infrastructure or adhoc mode
- Support WEP and WPAPSK connection
< Component >
The driver is composed of several parts:
1. Module source code
stack.tar.gz
drv.tar.gz
2. Script ot build the modules
makedrv
3. Script to load/unload modules
wlan0up
wlan0down
4. Script and configuration for DHCP
wlan0dhcp
ifcfg-wlan0
4. Supplicant source code:
wpa_supplicant-0.4.9.tar.gz
5. Example of supplicant configuration file:
wpa1.conf
< Installation >
Runing the scripts can finish all operations of building up modules
from the source code and start the nic.
1. Build up the drivers from the source code
./makedrv
2. load the driver module to kernel and start up nic
./wlan0up
< Set wireless lan MIBs >
This driver uses Wireless Extension as an interface allowing you to set
Wireless LAN specific parameters.
Current driver supports "iwlist" to show the device status of nic
iwlist wlan0 [parameters]
where
parameter explaination [parameters]
----------------------- -------------
Show available chan and freq freq / channel
Show and Scan BSS and IBSS scan[ning]
Show supported bit-rate rate / bit[rate]
Show Power Management mode power
For example:
iwlist wlan0 channel
iwlist wlan0 scan
iwlist wlan0 rate
iwlist wlan0 power
Driver also supports "iwconfig", manipulate driver private ioctls, to set
MIBs.
iwconfig wlan0 [parameters] [val]
where
parameter explaination [parameters] [val] constraints
----------------------- ------------- ------------------
Connect to AP by address ap [mac_addr]
Set the essid, join (I)BSS essid [essid]
Set operation mode mode {Managed|Ad-hoc}
Set keys and security mode key/enc[ryption] {N|open|restricted|off}
For example:
iwconfig wlan0 ap XX:XX:XX:XX:XX:XX
iwconfig wlan0 essid "ap_name"
iwconfig wlan0 mode Ad-hoc
iwconfig wlan0 mode essid "name" mode Ad-hoc
iwconfig wlan0 key 0123456789 [2] open
iwconfig wlan0 key off
iwconfig wlan0 key restricted [3] 0123456789
< Getting IP address >
After start up the nic, the network needs to obtain an IP address before
transmit/receive data.
This can be done by setting the static IP via "ifconfig wlan0 IP_ADDRESS"
command, or using DHCP.
If using DHCP, setting steps is as below:
(1)connect to an AP via "iwconfig" settings
iwconfig wlan0 essid [name] or
iwconfig wlan0 ap XX:XX:XX:XX:XX:XX
(2)run the script which run the dhclient
./wlan0dhcp
or
dhcpcd wlan0
(Some network admins require that you use the
hostname and domainname provided by the DHCP server.
In that case, use
dhcpcd -HD wlan0)
< WPAPSK >
WPA_SUPPLICANT help the network to communicate under the protection of WPAPSK
mechanism
(1)Unpack source code of WPA supplicant:
tar -zxvf wpa_supplicant-0.4.9.tar.gz
cd wpa_supplicant-0.4.9
(2)Create .config file:
cp defconfig .config
