CONFIG_NET_DSA_XRS700X (not configurable)

modulename: xrs700x.ko

configname: CONFIG_NET_DSA_XRS700X

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Distributed Switch Architecture drivers
└─>NET_DSA_XRS700X
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This enables support for Arrow SpeedChips XRS7003/7004 gigabit
Ethernet switches.

source code:
drivers/net/dsa/xrs700x/xrs700x.c