Intel(R) PCI-Express Gigabit adapters HWMON support

configname: CONFIG_IGB_HWMON

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Intel(R) PCI-Express Gigabit adapters HWMON support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y if you want to expose thermal sensor data on Intel devices.

Some of our devices contain thermal sensors, both external and internal.
This data is available via the hwmon sysfs interface and exposes
the onboard sensors.