If you have recently bought a D-Link Wireless Adapter (DWA-125) for your Linux machine and wondering how to get it working, this article might help you get started. Since there is no driver available for DWA-125 on Linux, we need to compile the chipset driver from the source..
Kernel Upgrade
If your DLink DWA-125 stops working after a kernel upgrade, you will have to reinstall from source code, by compiling for the new kernel version. Follow the instructions below.
Permissions
To run the commands described here, you need to have sudo access. Also, if you don’t have build-essential package installed, please install it.
Enter the following command in the terminal.
sudo apt-get install build-essential
Download source
First, get the source code. The source code is available from Ralink, but if you have trouble finding the right part, download it from TwiCore’s mirror using this link.
Extract the downloaded zip file to a suitable location.
Install
For the purpose of this documentation, let’s assume the Ubuntu username to be user and the path to the folder where the zip file was extracted to be ~/source/dwa-125.
Edit configuration
Edit the file ~/source/dwa-125/os/linux/config.mk and change the following values:
line 56
# Support Wpa_Supplicant
HAS_WPA_SUPPLICANT=y
line 59
Support Native WpaSupplicant for Network Manager:
HAS_NATIVE_WPA_SUPPLICANT_SUPPORT=y
Open a terminal and change directory:
cd ~/source/dwa-125
Run "make" :
sudo make
sudo “make install” :
make install
Blacklist unnecessary drivers
Edit /etc/modprobe.d/blacklist.conf and add these lines:
blacklist rt2x00usb
blacklist rt2x00lib
blacklist rt2800usb
Activate driver module
For Ubuntu 11.10, you might to use RT5370STA instead of RT3070STA as mentioned by flbiggs. So here’s the command you need to get the module activated and to bring up the DWA-125 wireless device:
sudo modprobe rt5370sta
This should bring up the wireless adapter and network manager should start scanning and detect available wireless networks.
Make driver load on startup
Edit /etc/modules and add this line:
rt5370sta
This should activate the DWA-125 wireless device every time you turn on the computer.