So Techy ...: RT5572 + Linux kernel 3.13.x Exploration

Thursday, July 23, 2020

RT5572 Exploration

HW: get rt5572 usb WiFi adapter from EBay, Aliexpress,

PC: Alienware Alpha ASM100 i3-4170T

Ubuntu 14.04 first release

Install w/ OpenSSH

sudo apt install flex bc texinfo build-essential aircrack-ng

Driver

Note: this driver won't build with latest kernels (tried 5.4.x)

$ sudo mkdir /tftpboot

$ sudo chmod 777 /tftpboot

$ cd DPO_RT5572_LinuxSTA_2.6.1.3_20121022/

$ vi include/os/rt_linux.h

change struct _OS_FS_INFO_ to the following

typedef struct _OS_FS_INFO_

{

kuid_t fsuid;

kgid_t fsgid;

mm_segment_t fs;

} OS_FS_INFO;

$ make -j100

$ sudo rmmod rt2800usb

$ sudo rmmod rt2x00usb

$ sudo rmmod rt2800lib

$ sudo rmmod rt2x00lib

$ sudo mkdir -p /etc/Wireless/RT2870STA/

$ sudo cp RT2870STA.dat /etc/Wireless/RT2870STA

$ sudo insmod /tftpboot/rt5572sta.ko

$ sudo ifconfig ra0 up

$ sudo iwconfig ra0 mode monitor

$ sudo airodump-ng --output-format pcap -w /tmp/tx ra0

Reference

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