Sun4v LDoms Virtual Switch support

modulename: ldmvsw.ko

configname: CONFIG_LDMVSW

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Sun4v LDoms Virtual Switch support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Support for virtual switch devices under Sun4v Logical Domains.
This driver adds a network interface for every vsw-port node
found in the machine description of a service domain.
Linux bridge/switch software can use these interfaces for
guest domain network interconnectivity or guest domain
connection to a physical network on a service domain.

source code: