104 lines
3.4 KiB
Groff
104 lines
3.4 KiB
Groff
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.\" $NetBSD: gsip.4,v 1.1 2001/05/18 02:05:20 thorpej Exp $
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.\"
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.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Jason R. Thorpe.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd May 17, 2001
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.Dt GSIP 4
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.Os
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.Sh NAME
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.Nm gsip
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.Nd National Semiconductor DP83820 Gigabit Ethernet driver
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.Sh SYNOPSIS
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.Cd "gsip* at pci? dev ? function ?"
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.Pp
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Configuration of PHYs may also be necessary. See
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.Xr mii 4 .
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.Sh DESCRIPTION
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The
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.Nm
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device driver supports Gigabit Ethernet interfaces based on the
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National Semiconductor DP83820 Gigabit Ethernet chips.
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.Pp
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The National Semiconductor DP83820 is found on NetGear GA-622,
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Asante FriendlyNet GigaNIX, and other low-cost Gigabit Ethernet
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cards. It uses an external PHY or an external 10-bit interface.
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.Pp
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The DP83820 supports VLAN tag insertion/removal in hardware. The
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.Nm
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driver supports this feature of the chip.
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.Pp
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The DP83820 chip is a close relative of the DP83815 10/100 Ethernet
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chip, which is supported by the
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.Xr sip 4
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driver, hence the
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.Nm
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name.
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.\" .Sh DIAGNOSTICS
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.\" XXX too be done.
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr ifmedia 4 ,
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.Xr mii 4 ,
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.Xr netintro 4 ,
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.Xr pci 4 ,
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.Xr ifconfig 8 ,
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.Xr vlan 4
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Nx 1.6 .
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.Sh BUGS
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The
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.Nm
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driver does not support the IPv4/TCP/UDP checksumming features
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of the DP83820 chip.
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.Pp
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The
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.Nm
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driver does not support transmission or reception of jumbo Ethernet
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frames.
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.Pp
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The
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.Nm
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driver does not support the 10-bit interface, which is required in
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order to support fiber-optic media.
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.Sh AUTHOR
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The
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.Nm
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driver was written by
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.An Jason R. Thorpe
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.Aq thorpej@netbsd.org .
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