default or selected kernelversion does not have config value CONFIG_IP1000.
Result is shown for kernelversion 6.5.1

IP1000 Gigabit Ethernet support

modulename: ipg.ko

configname: CONFIG_IP1000

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>IP1000 Gigabit Ethernet support
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
This driver supports IP1000 gigabit Ethernet cards.

To compile this driver as a module, choose M here: the module
will be called ipg. This is recommended.

source code: