.\"	$OpenBSD: stge.4,v 1.22 2021/09/08 20:29:21 jmc Exp $
.\"	$NetBSD: stge.4,v 1.5 2001/09/11 22:52:54 wiz Exp $
.\"
.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Jason R. Thorpe.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd $Mdocdate: September 8 2021 $
.Dt STGE 4
.Os
.Sh NAME
.Nm stge
.Nd Sundance/Tamarack TC9021 1Gb Ethernet device
.Sh SYNOPSIS
.Cd "stge* at pci?"
.Cd "eephy* at mii?"
.Cd "gentbi* at mii?"
.Cd "ipgphy* at mii?"
.Sh DESCRIPTION
The
.Nm
device driver supports the Sundance/Tamarack TC9021 Gigabit Ethernet
chip.
.Pp
The Sundance/Tamarack TC9021 chip is found on adapters such as the
following:
.Pp
.Bl -bullet -compact
.It
Allied Telesis CentreCOM LA1000-PCI-T
.It
Antares Microsystems TC9021
.It
Asus NX1101
.It
D-Link DGE-550T
.El
.Pp
It uses an external PHY or an external 10-bit interface.
.Pp
The
.Nm
driver supports
IPv4 receive IP/TCP/UDP checksum offload and
VLAN tag insertion and stripping.
.Sh SEE ALSO
.Xr arp 4 ,
.Xr eephy 4 ,
.Xr gentbi 4 ,
.Xr ifmedia 4 ,
.Xr intro 4 ,
.Xr ipgphy 4 ,
.Xr mii 4 ,
.Xr netintro 4 ,
.Xr pci 4 ,
.Xr hostname.if 5 ,
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 3.1 .
.Sh AUTHORS
The
.Nm
driver was written by
.An Jason R. Thorpe Aq Mt thorpej@netbsd.org .