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## rtl8188eu (8188eu.ko)
## Realtek RTL8188EU Wireless Lan Driver for Linux
- v5.13.3 (20210615)
- Based on EDIMAX EW-7811Un V2 Linux Driver (Version : 1.0.1.3) 2021-10-01
- Support Kernel: 3.8 - 5.4 (Realtek)
- Support up to Kernel 5.16
## Specification
- Supported interface modes:
* IBSS
* managed
* AP
* monitor
* P2P-client
* P2P-GO
- Packet injection
- TX power control
- LED control
- Power saving control
- Driver debug log level control
- Security:
* WEP 64/128-bit, WPA, WPA2, and WPA3
## Supported adapters
- TP-Link TL-WN722N V2/V3 150Mbps High Gain Wireless USB Adapter
- TP-Link TL-WN727N V5.20 150Mbps Wireless N USB Adapter
- TP-Link TL-WN725N V3 150Mbps Wireless N Nano USB Adapter
- EDIMAX EW-7811Un V2 N150 Wi-Fi 4 Nano USB Adapter
- ASUS USB-N10 Nano B1 USB Adapter Wireless-N
- D-Link DWA-125 Wireless N 150 USB Adapter(rev.D)
- D-Link DWA-123 Wireless N 150 USB Adapter(rev.D)
- D-Link GO-USB-N150 Wireless N 150 Easy USB Adapter(rev.B)
- D-Link DWA-121 Wireless N 150 USB Adapter(rev.B)
- Realtek RTL8188EU Wireless LAN 802.11n USB 2.0 Network Adapter
- Realtek RTL8188ETV Wireless LAN 802.11n USB 2.0 Network Adapter
- 802.11bgn Mini Wireless LAN USB2.0 Adapter
- ELECOM WDC-150SU2M Wireless Adapter
- Sitecom WLA-1100 V2 Wi-Fi USB adapter N150
- MERCUSYS MW150US V2 N150 Wireless Nano USB Adapter
- Rosewill RNX-N150NUB N150 Wireless Nano USB Adapter
## Tested Linux Distros and Tools
Successful tested injection `aireplay-ng -9 <interface>`, deauthentication `aireplay-ng -0 1 -a <bssid> <interface>`.
NO `fixed channel 1` issue.
Successful hcxdumptool driver test `hcxdumptool -i <interface> --check_driver` and capture packets `hcxdumptool -i <interface> -o test.pcapng --filterlist_ap=targets.lst --filtermode=2 --enable_status=15` `(hcxdumptool -i <interface> -o test.pcapng --filterlist=targets.lst --filtermode=2 --enable_status=15)`.
Connecting to AP with WPA3 (WPA3-SAE) authentication method (IMPORTANT: Network Manager, is not support WPA3 on this driver. Connecting with wpa_supplicant).
Start WPA3 (WPA3-SAE) SoftAP.
TX power control tested with SoftAP mode and OpenWrt firmware (OpenWrt 21.02.0 r16279-5cc0535800, Channel Analysis Feature).
- Ubuntu 21.10 (kernel 5.16)
* wpa_supplicant v2.10-devel-hostap_2_9-2398-g8a54c252a
* hostapd v2.10-devel-hostap_2_9-2398-g8a54c252a
* Aircrack-ng 1.6
* hcxdumptool 6.2.4
- Ubuntu 11.10 (kernel 3.0)
* Aircrack-ng 1.5.2
* hcxdumptool 4.2.1
- Ubuntu 12.04 (kernel 3.4)
* Aircrack-ng 1.5.2
* hcxdumptool 4.2.1
- Ubuntu 12.10 (kernel 3.5)
* Aircrack-ng 1.5.2
* hcxdumptool 4.2.1
- Ubuntu 13.04 (kernel 3.8)
* Aircrack-ng 1.5.2
* hcxdumptool 5.1.4
- Ubuntu 21.04 (kernel 5.11)
* wpa_supplicant v2.10-devel-hostap_2_9-2374-g9ef8491d9
* Aircrack-ng 1.6
* hcxdumptool 6.1.6
- Ubuntu 21.10 (kernel 5.13)
* Aircrack-ng 1.6
* wpa_supplicant v2.10-devel-hostap_2_9-2398-g8a54c252a
* hostapd v2.10-devel-hostap_2_9-2398-g8a54c252a
- Kali Linux 2019.1a (kernel 4.19)
* Aircrack-ng 1.5.2
* hcxdumptool 5.1.7
* wpa_supplicant v2.10-devel-hostap_2_9-2433-g8d881d942
- Kali Linux 2020.3 (kernel 5.9)
* Aircrack-ng 1.6
* hcxdumptool 6.1.4
* wpa_supplicant v2.10-devel-hostap_2_9-2379-g4775a5f82
- Kali Linux 2021.3a (kernel 5.14)
* Aircrack-ng 1.6
* hcxdumptool 6.1.6
* wpa_supplicant v2.10-devel-hostap_2_9-2433-g8d881d942
- Ubuntu 21.10 (kernel 5.15)
* Aircrack-ng 1.6
* hcxdumptool 6.2.4
* wpa_supplicant v2.10-devel-hostap_2_9-2398-g8a54c252a
* hostapd v2.10-devel-hostap_2_9-2398-g8a54c252a
## HOW TO
### Install
Download source:
```
git clone https://github.com/ivanovborislav/rtl8188eu.git
cd rtl8188eu
```
Install missing packages:
```
sudo apt-get install bc build-essential
```
Install linux headers:
```
sudo apt-get install linux-headers-$(uname -r)
```
or
```
apt-cache search linux-headers
sudo apt-get install linux-headers-5.14.0-kali4-amd64 (for example)
apt-cache search linux-image
sudo apt-get install linux-image-5.14.0-kali4-amd64 (for example)
```
Compile:
```
make
sudo make install
```
IMPORTANT: Prevent loading old driver r8188eu.
```
echo "blacklist r8188eu" > /etc/modprobe.d/realtek.conf
```
Raspberry Pi:
Edit `Makefile`:
Ln143 - `CONFIG_PLATFORM_I386_PC = y` to `CONFIG_PLATFORM_I386_PC = n`
Ln144 - `CONFIG_PLATFORM_RPI_ARM = n` to `CONFIG_PLATFORM_RPI_ARM = y` for ARM
or
Ln145 - `CONFIG_PLATFORM_RPI_ARM64 = n` to `CONFIG_PLATFORM_RPI_ARM64 = y` for ARM64
### Monitor mode
```
sudo airmon-ng check kill
sudo ip link set <interface> down
sudo iw dev <interface> set type monitor
sudo ip link set <interface> up
```
### Managed mode
```
sudo ip link set <interface> down
sudo iw dev <interface> set type managed
sudo ip link set <interface> up
sudo systemctl restart NetworkManager (sudo service network-manager restart)
```
### TX power control
Note: Set TX power before start SoftAP mode. `...set txpower fixed 3000 = txpower 30.00 dBm`.
```
sudo iw dev <interface> set txpower fixed 3000
```
### Driver options
#### Change driver options during inserting driver module
Remove (unload) a module from the Linux kernel.
```
sudo rmmod /lib/modules/$(uname -r)/kernel/drivers/net/wireless/8188eu.ko
```
Insert (load) a module into the Linux kernel.
```
sudo insmod /lib/modules/$(uname -r)/kernel/drivers/net/wireless/8188eu.ko rtw_ips_mode=1 rtw_drv_log_level=4 rtw_power_mgnt=2 rtw_led_ctrl=1
```
#### Change driver options loading from file
Create a file `8188eu.conf` containing `options 8188eu rtw_ips_mode=1 rtw_drv_log_level=4 rtw_power_mgnt=2 rtw_led_ctrl=1`.
Copy a file to `/etc/modprobe.d/` directory.
```
sudo cp -f 8188eu.conf /etc/modprobe.d
```
Power saving control.
IPS (Inactive Power Saving) Function, rtw_ips_mode=
```
0:Disable IPS
1:Enable IPS (default)
```
LPS (Leisure Power Saving) Function, rtw_power_mgnt=
```
0:Disable LPS
1:Enable LPS
2:Enable LPS with clock gating (default)
```
Driver debug log level control, rtw_drv_log_level=
```
0:_DRV_NONE_
1:_DRV_ALWAYS_
2:_DRV_ERR_
3:_DRV_WARNING_
4:_DRV_INFO_ (default)
5:_DRV_DEBUG_
6:_DRV_MAX_
```
Driver LED control, rtw_led_ctrl=
```
0:led off
1:led blink (default)
2:led on
```
### Connecting with wpa_supplicant
Example wpa_supplicant.conf with WPA3-Personal (WPA3-SAE).
```
ctrl_interface=/var/run/wpa_supplicant
update_config=1
country=EN
p2p_no_group_iface=1
sae_groups=19 20 21
network={
ssid="WPA3"
proto=RSN
key_mgmt=SAE
pairwise=CCMP
group=CCMP
ieee80211w=2
psk="1234567890"
}
```
Now start...
```
sudo killall wpa_supplicant
sudo wpa_supplicant -B -i <interface> -c wpa_supplicant.conf
sudo dhclient <interface>
```
### Start SoftAP mode
Example hostapd.conf with WPA3-Personal (WPA3-SAE).
```
ctrl_interface=/var/run/hostapd
ctrl_interface_group=0
driver=nl80211
ssid=WPA3
country_code=EN
channel=6
beacon_int=100
dtim_period=1
fragm_threshold=2346
rts_threshold=2347
hw_mode=g
ieee80211n=1
max_num_sta=16
wmm_enabled=1
ht_capab=[HT40-][SHORT-GI-20][SHORT-GI-40][RX-STBC1][MAX-AMSDU-7935][DSSS_CCK-40]
ignore_broadcast_ssid=0
auth_algs=1
wpa=2
wpa_key_mgmt=SAE
wpa_pairwise=CCMP
rsn_pairwise=CCMP
ieee80211w=2
sae_groups=19 20 21
sae_require_mfp=1
wpa_passphrase=1234567890
```
Now start...
```
sudo killall hostapd
sudo hostapd -i <interface> hostapd.conf
```
### [Kali NetHunter Kernel module Samsung Galaxy S5](https://github.com/ivanovborislav/document/blob/main/NetHunter_Kernel_module_Samsung_Galaxy_S5.md)
## Test devices
- TP-Link TL-WN722N V3
- Linksys WRT1200AC V2
* OpenWrt 21.02.0 r16279-5cc0535800 / LuCI openwrt-21.02 branch git-21.231.26241-422c175
```
config wifi-iface 'default_radio1'
option device 'radio1'
option network 'lan'
option mode 'ap'
option macaddr '30:23:03:XX:XX:XX'
option ssid 'WPA3'
option encryption 'sae'
option key '1234567890'
option ieee80211w '2'
```
-----
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