CONFIG_NET_DSA_TAG_DSA (not configurable)

modulename: tag_dsa.ko

configname: CONFIG_NET_DSA_TAG_DSA

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Distributed Switch Architecture support
└─>NET_DSA_TAG_DSA
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
source code:
net/dsa/tag_dsa.c

is depended by
CONFIG_NET_DSA_MV88E6XXX