Asix PHYs

modulename: ax88796b_rust.ko

and/or

ax88796b.ko

configname: CONFIG_AX88796B_PHY

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>PHY Device support and infrastructure
└─>Asix PHYs
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Currently supports the Asix Electronics PHY found in the X-Surf 100
AX88796B package.

source code:
drivers/net/phy/