Realtek PCIe FE / GBE / 2.5G / 5G / 10G Ethernet Family Controller
kernel driver.

This is the official driver from Realtek with a few patches to
improve stability and performance. It can be loaded instead of
the FreeBSD driver built into the GENERIC kernel if you experience
issues with it (eg. watchdog timeouts), or your card is not supported.

Supported devices:

* 10G Gigabit Ethernet
  - RTL8127 / RTL8127AT / RTL8127ATF

* 5G Gigabit Ethernet
  - RTL8126

* 2.5G Gigabit Ethernet
  - RTL8125 / RTL8125B(G) / RTL8125D / RTL8125K
  - RTL8125BP / RTL8125CP

* 10/100/1000M Gigabit Ethernet
  - RTL8111B / RTL8111C / RTL8111D / RTL8111E / RTL8111F / RTL8111G /
    RTL8111H(S) / RTL8118A / RTL8119i / RTL8111L / RTL8111K / RTL8116AF
  - RTL8168B / RTL8168E / RTL8168G / RTL8168H
  - RTL8111DP / RTL8111EP(P)(V) / RTL8111FP

* 10/100M Fast Ethernet
  - RTL8101E / RTL8102E / RTL8103E / RTL8105E / RTL8106E / RTL8107E

See also: https://www.realtek.com/Download/List?cate_id=584