Tag driver for Microchip 8795/937x/9477/9893 families of switches

modulename: tag_ksz.ko

configname: CONFIG_NET_DSA_TAG_KSZ

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Distributed Switch Architecture
└─>Tag driver for Microchip 8795/937x/9477/9893 families of switches
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y if you want to enable support for tagging frames for the
Microchip 8795/937x/9477/9893 families of switches.

source code:
net/dsa/tag_ksz.c