.\"	$OpenBSD: dwge.4,v 1.7 2023/04/04 00:38:38 jsg Exp $
.\"
.\" Copyright (c) 2016 Mark Kettenis <kettenis@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: April 4 2023 $
.Dt DWGE 4
.Os
.Sh NAME
.Nm dwge
.Nd Synopsys DesignWare GMAC 10/100/1Gb Ethernet device
.Sh SYNOPSIS
.Cd "dwge* at fdt?"
.Cd "rgephy*" at mii?
.Sh DESCRIPTION
The
.Nm
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.
.Pp
The
.Nm
driver supports several media types, which are selected via the
.Xr ifconfig 8
command.
The supported media types are:
.Bl -tag -width "media" -offset indent
.It Cm media No autoselect
Attempt to autoselect the media type (default)
.It Cm media No 1000baseT Cm mediaopt No full-duplex
Use 1000baseT on copper, full duplex
.It Cm media No 1000baseT Cm mediaopt No half-duplex
Use 1000baseT on copper, half duplex
.It Cm media No 100baseTX Cm mediaopt No full-duplex
Use 100baseTX, full duplex
.It Cm media No 100baseTX Cm mediaopt No half-duplex
Use 100baseTX, half duplex
.El
.Sh SEE ALSO
.Xr arp 4 ,
.Xr ifmedia 4 ,
.Xr inet 4 ,
.Xr intro 4 ,
.Xr netintro 4 ,
.Xr rgephy 4 ,
.Xr hostname.if 5 ,
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 7.0 .
It was ported to
.Ox 6.1
and rewritten for
.Ox 6.6 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Matt Thomas
and
.An Martin Husemann
for
.Nx
and rewritten by
.An Mark Kettenis Aq Mt kettenis@openbsd.org
and
.An Patrick Wildt Aq Mt patrick@openbsd.org .