Tag driver for Lantiq / Intel GSWIP switches

modulename: tag_gswip.ko

configname: CONFIG_NET_DSA_TAG_GSWIP

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Distributed Switch Architecture
└─>Tag driver for Lantiq / Intel GSWIP switches
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Say Y or M if you want to enable support for tagging frames for the
Lantiq / Intel GSWIP switches.

source code: