Broadcom IEEE802.11n PCIe SoftMAC WLAN driver

modulename: brcmsmac.ko

and/or

configname: CONFIG_BRCMSMAC

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Wireless LAN
└─>Broadcom IEEE802.11n PCIe SoftMAC WLAN driver
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
This module adds support for PCIe wireless adapters based on Broadcom
IEEE802.11n SoftMAC chipsets. If you choose to build a module, it'll
be called brcmsmac.ko.