mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-27 11:55:06 +00:00
145 lines
3.8 KiB
Groff
145 lines
3.8 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.
|
|
.\"
|
|
.\" 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.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd December 25, 2009
|
|
.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)
|
|
.It
|
|
Sun Gigabit Ethernet SBus 2.0/3.0 (GBE/S)
|
|
(part no.\& 501-4375)
|
|
.El
|
|
.Sh NOTES
|
|
On sparc64 the
|
|
.Nm
|
|
driver respects the
|
|
.Va local-mac-address?
|
|
system configuration variable which can be set in the Open Firmware boot
|
|
monitor using the
|
|
.Ic setenv
|
|
command or by
|
|
.Xr eeprom 8 .
|
|
If set to
|
|
.Dq Li false
|
|
(the default), the
|
|
.Nm
|
|
driver will use the system's default MAC address for all of its devices.
|
|
If set to
|
|
.Dq Li true ,
|
|
the unique MAC address of each interface is used if present rather than
|
|
the system's default MAC address.
|
|
.Pp
|
|
Supported interfaces having their own MAC address include the on-board
|
|
Sun ERI 10/100 Mbps on boards equipped with more than one Ethernet interface
|
|
and the Sun Gigabit Ethernet 2.0/3.0 GBE add-on cards.
|
|
.Sh SEE ALSO
|
|
.Xr altq 4 ,
|
|
.Xr miibus 4 ,
|
|
.Xr netintro 4 ,
|
|
.Xr vlan 4 ,
|
|
.Xr eeprom 8 ,
|
|
.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 .
|