---
name: "dwge"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/dwge"
---

# dwge(4)

Synopsys DesignWare GMAC 10/100/1Gb Ethernet device

## NAME

**dwge** – Synopsys DesignWare GMAC 10/100/1Gb Ethernet device

## SYNOPSIS

**dwge\* at fdt?** **rgephy\*** **at** **mii?**

## DESCRIPTION

The **dwge** driver provides support for various Ethernet controllers based on the Synopsys DesignWare GMAC core. These controllers are typically found on SoCs, such as the Allwinner A20/A31 and Rockchip RK3288/RK3399 ARM SoCs.

The **dwge** driver supports several media types, which are selected via the [ifconfig(8)](/ifconfig/8.md) command. The supported media types are:

- **media** autoselect

  Attempt to autoselect the media type (default)

- **media** 1000baseT **mediaopt** full-duplex

  Use 1000baseT on copper, full duplex

- **media** 1000baseT **mediaopt** half-duplex

  Use 1000baseT on copper, half duplex

- **media** 100baseTX **mediaopt** full-duplex

  Use 100baseTX, full duplex

- **media** 100baseTX **mediaopt** half-duplex

  Use 100baseTX, half duplex

## SEE ALSO

[arp(4)](/arp/4.md), [ifmedia(4)](/ifmedia/4.md), [inet(4)](/inet/4.md), [intro(4)](/intro/4.md), [netintro(4)](/netintro/4.md), [rgephy(4)](/rgephy/4.md), [hostname.if(5)](/hostname.if/5.md), [ifconfig(8)](/ifconfig/8.md)

## HISTORY

The **dwge** driver first appeared in NetBSD 7.0. It was ported to OpenBSD 6.1 and rewritten for OpenBSD 6.6.

## AUTHORS

The **dwge** driver was written by Matt Thomas and Martin Husemann for NetBSD and rewritten by Mark Kettenis ⟨*kettenis@openbsd.org*⟩ and Patrick Wildt ⟨*patrick@openbsd.org*⟩.