CONFIG_NET_DSA_VITESSE_VSC73XX (not configurable)

modulename: vitesse-vsc73xx-core.ko

configname: CONFIG_NET_DSA_VITESSE_VSC73XX

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Distributed Switch Architecture drivers
└─>NET_DSA_VITESSE_VSC73XX
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This enables support for the Vitesse VSC7385, VSC7388,
VSC7395 and VSC7398 SparX integrated ethernet switches.

source code: