default or selected kernelversion does not have config value CONFIG_FMV18X.
Result is shown for kernelversion 5.4.123
FMV-181/182/183/184 support (OBSOLETE)
modulename: fmv18x.ko
configname: CONFIG_FMV18X
Linux Kernel Configuration
└─>Networking support
└─>Ethernet (10 or 100Mbit)
└─>FMV-181/182/183/184 support (OBSOLETE)
In linux kernel since version 2.6.12
If you have a Fujitsu FMV-181/182/183/184 network (Ethernet) card,
say Y and read the Ethernet-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
If you use an FMV-183 or FMV-184 and it is not working, you may need
to disable Plug & Play mode of the card.
To compile this driver as a module, choose M here and read
Documentation/networking/net-modules.txt. The module
will be called fmv18x.
say Y and read the Ethernet-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
If you use an FMV-183 or FMV-184 and it is not working, you may need
to disable Plug & Play mode of the card.
To compile this driver as a module, choose M here and read
Documentation/networking/net-modules.txt. The module
will be called fmv18x.