.\"	$OpenBSD: stge.4,v 1.15 2008/06/26 05:42:07 ray 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: June 26 2008 $
.Dt STGE 4
.Os
.Sh NAME
.Nm stge
.Nd Sundance/Tamarack TC9021 Gigabit 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
D-Link DGE-550T
.El
.Pp
It uses an external PHY or an external 10-bit interface.
.Pp
The TC9021 supports IPv4 receive IP/TCP/UDP checksum offload.
.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 thorpej@netbsd.org .
.Sh BUGS
The
.Nm
driver does not support the VLAN tag insertion/removal feature of the
TC9021 chip.
This is primarily because the TC9021 does not provide a useful
programming interface.
.Pp
The
.Nm
driver does not yet support Jumbo frames.