freebsd-nq/share/man/man4/gem.4
Marius Strobl bc4fc770af man4: remove references to gone eeprom(8) and obsolete devices
The former was missed in 702547720c and
r357794 respectively.
Additionally for dc.4 and gem.4, remove on-board and SBus devices whose
support was removed as part of 58aa35d429
and r357455 respectively.
2020-12-26 16:34:23 +01:00

118 lines
3.1 KiB
Groff

.\" $NetBSD: gem.4,v 1.2 2003/02/14 15:20:18 grant Exp $
.\"
.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
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.\" 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
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.\" $FreeBSD$
.\"
.Dd December 26, 2020
.Dt GEM 4
.Os
.Sh NAME
.Nm gem
.Nd ERI/GEM/GMAC Ethernet device driver
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following lines in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device miibus"
.Cd "device gem"
.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
if_gem_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides support for the GMAC Ethernet hardware found mostly in
the last Apple PowerBooks G3s and most G4-based Apple hardware, as
well as Sun UltraSPARC machines.
.Pp
All controllers supported by the
.Nm
driver have TCP checksum offload capability for both receive and transmit,
support for the reception and transmission of extended frames for
.Xr vlan 4
and a 512-bit multicast hash filter.
.Sh HARDWARE
Chips supported by the
.Nm
driver include:
.Pp
.Bl -bullet -compact
.It
Apple GMAC
.It
Sun ERI 10/100 Mbps Ethernet
.It
Sun GEM Gigabit Ethernet
.El
.Pp
The
following add-on cards are known to work with the
.Nm
driver at this time:
.Pp
.Bl -bullet -compact
.It
Sun Gigabit Ethernet PCI 2.0/3.0 (GBE/P)
(part no.\& 501-4373)
.El
.Sh SEE ALSO
.Xr altq 4 ,
.Xr miibus 4 ,
.Xr netintro 4 ,
.Xr vlan 4 ,
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
device driver appeared in
.Nx 1.6 .
The first
.Fx
version to include it was
.Fx 5.0 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written for
.Nx
by
.An Eduardo Horvath Aq Mt eeh@NetBSD.org .
It was ported to
.Fx
by
.An Thomas Moestl Aq Mt tmm@FreeBSD.org
and later on improved by
.An Marius Strobl Aq Mt marius@FreeBSD.org .
The man page was written by
.An Thomas Klausner Aq Mt wiz@NetBSD.org .