Tag driver for switches using a trailer tag

modulename: tag_trailer.ko

configname: CONFIG_NET_DSA_TAG_TRAILER

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Distributed Switch Architecture
└─>Tag driver for switches using a trailer tag
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
Say Y or M if you want to enable support for tagging frames at
with a trailed. e.g. Marvell 88E6060.

source code: