132 lines
4.7 KiB
Groff
132 lines
4.7 KiB
Groff
.\"
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.\" Copyright (c) 1997 David E. O'Brien
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.\"
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.\" All rights reserved.
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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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 19, 1997
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.Dt LNC 4 i386
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.Os FreeBSD
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.Sh NAME
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.Nm lnc
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.Nd
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AMD Lance/PCnet Ethernet device driver
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.Sh SYNOPSIS
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.Cd "device lnc0 at isa? port 0x280 irq 10 drq 0"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the AMD family of Lance/PCnet Ethernet NICs
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including the Am7990 and Am79C960.
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The Ethernet cards supported by the
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.Nm
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interface are:
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.Pp
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.Bl -item -offset indent -compact
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.It
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Novell NE2100
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.It
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Novell NE32-VL
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.It
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Isolan BICC
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.It
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Digital DEPCA
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.It
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Hewlett Packard Vectra 486/66XM
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.It
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Hewlett Packard Vectra XU
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.It
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Diamond HomeFree
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.El
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "lnc%d: Framing error"
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A framing error occurred. This means a CRC error also occurred.
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This caused the driver to drop the packet that contained the framing error.
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.It "lnc%d: Receive CRC error
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The received Ethernet frame failed the CRC checksum.
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This caused the driver to drop the packet that failed the checksum.
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.It "lnc%d: Packet dropped, no mbufs"
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The driver ran out of mbuf's. This may suggest a resource problem.
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.It "lnc%d: Couldn't allocate memory for NIC"
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This is a fatal error. The driver will not attach to the card under this
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circumstance.
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.It "lnc%d: Memory allocated above 16Mb limit"
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ISA and ESIA cards require bounce buffers for DMA transfers above 16mb.
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The Am7990 and Am79C960 only have 24 address lines and so can only access
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the lower 16Mb of physical memory. The
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.Nm
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driver assumes the memory it allocates is within the lower 16Mb range.
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This is not a very valid assumption but there's nothing that can be done
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about it yet.
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For shared memory NICs this isn't relevant.
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.It "lnc%d: Device timeout -- Resetting"
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The device has stopped responding to the network, or there is a problem with
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the network connection (cable). Make sure the network connection in use
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is the same one the card is configured for.
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.It "lnc%d: Transmit late collision -- Net error?"
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.It "lnc%d: Loss of carrier during transmit -- Net error?"
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.It "lnc%d: Transmit of packet failed after 16 attempts -- TDR = %d"
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.It "lnc%d: Heartbeat error -- SQE test failed"
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.It "lnc%d: Babble error - more than 1519 bytes transmitted"
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.It "lnc%d: Missed packet -- no receive buffer"
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.It "lnc%d: Memory error -- Resetting"
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.It "lnc%d: Couldn't get mbuf for transmit packet -- Resetting"
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.It "lnc%d: Receive buffer error"
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.It "lnc%d: Receive overflow error"
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.It "lnc%d: Receive interrupt with buffer still owned by controller -- Resetting"
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.It "lnc%d: Receive interrupt but not start of packet -- Resetting"
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.It "lnc%d: Start of packet found before end of previous in receive ring -- Resetting"
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.It "lnc%d: End of received packet not found -- Resetting"
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.It "lnc%d: Transmit interrupt with buffer still owned by controller -- Resetting"
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.It "lnc%d: Transmit interrupt but not start of packet -- Resetting"
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.It "lnc%d: Start of packet found before end of previous in transmit ring -- Resetting"
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.It "lnc%d: End of transmitted packet not found -- Resetting"
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.It "lnc%d: Transmit buffer error -- Resetting"
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.It "lnc%d: Transmit underflow error -- Resetting"
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.El
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.Sh BUGS
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This driver has the potential of being the most verbose of any of the
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Ethernet device drivers.
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr netintro 4 ,
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.Xr ng_ether 4 ,
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.Xr ifconfig 8
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Fx 2.2 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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device driver was written by
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.An Paul Richards .
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Support for the AMD PCHome phone-line based network added by
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.An Robert Watson .
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This manual page was written by
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.An David E. O'Brien .
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