RTL8812AU/21AU and RTL8814AU driver with monitor mode and frame injection
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README.md

RTL8812AU/21AU and RTL8814AU drivers

with monitor mode and frame injection

DKMS

This driver can be installed using [DKMS]. This is a system which will automatically recompile and install a kernel module when a new kernel gets installed or updated. To make use of DKMS, install the dkms package, which on Debian (based) systems is done like this:

sudo apt install dkms

Installation of Driver

In order to install the driver open a terminal in the directory with the source code and execute the following command:

sudo ./dkms-install.sh

Removal of Driver

In order to remove the driver from your system open a terminal in the directory with the source code and execute the following command:

sudo ./dkms-remove.sh

Make

For building & installing the RTL8812AU driver with 'make' use

make
make install

and for building & installing the RTL8814AU driver with 'make' use

make RTL8814=1
make install RTL8814=1

Notes

Download

git clone -b v5.1.5 https://github.com/aircrack-ng/rtl8812au.git
cd rtl*

Package / Build dependencies (Kali)

sudo apt-get install build-essential
sudo apt-get install bc
sudo apt-get install linux-headers-`uname -r`

For Raspberry (RPI)

sudo apt install raspberrypi-kernel-headers

For setting monitor mode

  1. Fix problematic interference in monitor mode.
airmon-ng check kill

You may also uncheck the box "Automatically connect to this network when it is avaiable" in nm-connection-editor. This only works if you have a saved wifi connection.

  1. Set interface down
sudo ip link set wlan0 down
  1. Set monitor mode
sudo iw dev wlan0 set type monitor
  1. Set interface up
sudo ip link set wlan0 up

For setting TX power

sudo iw wlan0 set txpower fixed 3000

Newer versions of NetworkManager switches to random MAC address. Some users would prefer to use a fixed address. Simply add these lines below

[device]
wifi.scan-rand-mac-address=no

at the end of file /etc/NetworkManager/NetworkManager.conf and restart NetworkManager with the command:

sudo service NetworkManager restart

Tested / Working

Tested and working on
  * Kali Linux
  * Raspberry PI

LED Parameter

We've added the "realtek-leds.conf" in build directory, 
with this you may change the leds to 
"2: Allways On", "1: Normal" or "0: Allways Off" with placing the file in "/etc/modprobe.d/

Manual modprobe will override this file if option value also included at the command line, e.g.,
$ sudo modprobe -r 8812au
$ sudo modprobe 8812au rtw_led_ctrl=1

Credits

astsam    - for the main work + monitor/injection support            - https://github.com/astsam
evilphish - for great patching (USB3, VHT + txpower control +++)     - https://github.com/evilphish
jcard0na  - for fixing the "sluggish" / broken injection	     - https://github.com/jcard0na
dpShaker  - for adding support for pre-configured SeqNum (RadioTap)
CGarces   - for providing kernel support patch (v4.15)
brimstone - for providing kernel support patch (v4.14)