smsc(4)

smsc4

Usb microchip lan9xxx fast ethernet driver

Usage

To load the driver as a module at boot time, place the following line in loader.conf(5):

if_smsc_load="YES"

Alternatively, to compile this driver into the kernel, place the following lines in your kernel configuration file:

device uhci device ohci device usb device miibus device uether device smsc

Overview

The smsc device driver provides support for USB Fast Ethernet adapters based on the Microchip (formerly SMSC) LAN9xxx chipsets.

For more information on configuring this device, see ifconfig(8).

Hardware

The following devices are supported by the smsc driver:

  • LAN9500, LAN9500A, LAN9505 and LAN9505A based Ethernet adapters

  • LAN89530, LAN9530 and LAN9730 based Ethernet adapters

  • LAN951x Ethernet adapters with integrated USB hub

Releases

28 releases since FreeBSD 10.2-RELEASE; the text changed 17 times.

  1. 10.2
  2. 10.3
  3. 10.4
  4. 11.0
  5. 11.1
  6. 11.2
  7. 11.3
  8. 11.4
  9. 12.0
  10. 12.1
  11. 12.2
  12. 12.3
  13. 12.4
  14. 13.0–13.2
  15. 13.3
  16. 13.4–13.5
  17. 14.0–14.1
  18. 14.2–16.0

History

The smsc device driver first appeared in FreeBSD 10.0.

Authors

The smsc driver was written by Ben Gray ⟨[email protected]⟩.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.