网卡功能：wol，wake on lan，网络驱动唤醒

比如Mellanox提供的使用说明：Wake-on-LAN (WoL) is a technology that allows a network professional to remotely power on a computer or to wake it up from sleep mode.
To enable WoL:
ethtool -s wol g
To get WoL:
ethtool | grep Wake-on Wake-on: g
Where:
“g” is the magic packet activity.