Wireless Tools
From ArmadeusWiki
How-to install wireless tools. These utilities are needed if you want to play with the WiFi interface of your boards.
Installation
To play with WiFi, select these packages in Buildroot's config:
$ make menuconfig
Package Selection for the target ---> [*] Networking ---> [*] wireless tools
$ make
Usage
After flashing your rootfs, you can now configure WiFi.