default or selected kernelversion does not have config value CONFIG_NET_DSA_TAG_KSZ_COMMON.
Result is shown for kernelversion 5.4.123
CONFIG_NET_DSA_TAG_KSZ_COMMON (not configurable)
modulename: tag_ksz.ko
configname: CONFIG_NET_DSA_TAG_KSZ_COMMON
Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Distributed Switch Architecture
└─>NET_DSA_TAG_KSZ_COMMON