Tag driver for Marvell switches using DSA headers

modulename: tag_dsa.ko

configname: CONFIG_NET_DSA_TAG_DSA

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Distributed Switch Architecture
└─>Tag driver for Marvell switches using DSA headers
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 for the
Marvell switches which use DSA headers.

source code: