cc2824b8ae
I couldn't find the ID for the EG1064 anywhere in our sources so I removed the reference for now. Pointed out by: Robert Huff <roberthuffi at rcn dot com> [1] Reviewed by: simon
231 lines
6.5 KiB
Groff
231 lines
6.5 KiB
Groff
.\" Copyright (c) 2001 Wind River Systems
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.\" Copyright (c) 1997, 1998, 1999, 2000, 2001
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.\" Bill Paul <wpaul@bsdi.com>. 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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.\" 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 Bill Paul.
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.\" 4. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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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
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.\" THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 14, 2006
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.Dt NGE 4
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.Os
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.Sh NAME
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.Nm nge
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.Nd "National Semiconductor PCI Gigabit Ethernet adapter driver"
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device miibus"
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.Cd "device nge"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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if_nge_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for various NICs based on the National Semiconductor
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DP83820 and DP83821 Gigabit Ethernet controller chips.
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.Pp
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The DP83820 supports TBI (ten bit interface) and GMII
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transceivers, which means it can be used with either copper or 1000baseX
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fiber applications.
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The DP83820 supports TCP/IP checksum offload and
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VLAN tagging/insertion as well as a 2048-bit multicast hash filter
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and up to 4 pattern match buffers.
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.Pp
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Most cards also use the DP83861 10/100/1000 copper gigabit transceiver
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chip, which supports autonegotiation of 10, 100 and 1000Mbps modes in
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full or half duplex.
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.Pp
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The DP83820 also supports jumbo frames, which can be configured
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via the interface MTU setting.
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Selecting an MTU larger than 1500 bytes with the
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.Xr ifconfig 8
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utility configures the adapter to receive and transmit jumbo frames.
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Using jumbo frames can greatly improve performance for certain tasks,
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such as file transfers and data streaming.
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.Pp
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The
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.Nm
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driver supports the following media types:
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.Bl -tag -width 10baseTXUTP
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.It Cm autoselect
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Enable autoselection of the media type and options.
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The user can manually override
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the autoselected mode by adding media options to
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.Xr rc.conf 5 .
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.It Cm 10baseT/UTP
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Set 10Mbps operation.
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The
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.Xr ifconfig 8
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.Ic mediaopt
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option can also be used to select either
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.Cm full-duplex
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or
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.Cm half-duplex
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modes.
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.It Cm 100baseTX
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Set 100Mbps (Fast Ethernet) operation.
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The
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.Xr ifconfig 8
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.Ic mediaopt
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option can also be used to select either
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.Cm full-duplex
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or
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.Cm half-duplex
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modes.
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.It Cm 1000baseTX
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Set 1000baseTX operation over twisted pair.
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.Cm full-duplex
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and
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.Cm half-duplex
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modes are supported.
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.It Cm 1000baseSX
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Set 1000Mbps (Gigabit Ethernet) operation.
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Both
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.Cm full-duplex
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and
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.Cm half-duplex
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modes are supported.
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.El
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.Pp
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The
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.Nm
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driver supports the following media options:
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.Bl -tag -width full-duplex
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.It Cm full-duplex
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Force full duplex operation.
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.It Cm half-duplex
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Force half duplex operation.
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.El
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.Pp
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The
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.Nm
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driver also supports one special link option for 1000baseTX cards:
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.Bl -tag -width link0
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.It Cm link0
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With 1000baseTX cards, establishing a link between two ports requires
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that one port be configured as a master and the other a slave.
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With autonegotiation,
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the master/slave settings will be chosen automatically.
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However when manually selecting the link state, it is necessary to
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force one side of the link to be a master and the other a slave.
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The
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.Nm
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driver configures the ports as slaves by default.
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Setting the
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.Cm link0
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flag with
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.Xr ifconfig 8
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will set a port as a master instead.
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.El
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.Pp
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For more information on configuring this device, see
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.Xr ifconfig 8 .
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.Sh HARDWARE
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The
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.Nm
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driver supports National Semiconductor DP83820 and DP83821 based
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Gigabit Ethernet adapters including:
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.Pp
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.Bl -bullet -compact
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.It
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Addtron AEG320T
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.It
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Ark PC SOHO-GA2500T (32-bit PCI) and SOHO-GA2000T (64-bit PCI)
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.It
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Asante FriendlyNet GigaNIX 1000TA and 1000TPC
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.It
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D-Link DGE-500T
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.It
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Netgear GA621
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.It
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Netgear GA622T
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.It
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SMC EZ Card 1000 (SMC9462TX)
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.It
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Surecom Technology EP-320G-TX
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.It
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Trendware TEG-PCITX (32-bit PCI) and TEG-PCITX2 (64-bit PCI)
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.El
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "nge%d: couldn't map memory"
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A fatal initialization error has occurred.
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.It "nge%d: couldn't map ports"
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A fatal initialization error has occurred.
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.It "nge%d: couldn't map interrupt"
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A fatal initialization error has occurred.
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.It "nge%d: no memory for softc struct!"
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The driver failed to allocate memory for per-device instance information
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during initialization.
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.It "nge%d: failed to enable memory mapping!"
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The driver failed to initialize PCI shared memory mapping.
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This might
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happen if the card is not in a bus-master slot.
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.It "nge%d: no memory for jumbo buffers!"
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The driver failed to allocate memory for jumbo frames during
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initialization.
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.It "nge%d: watchdog timeout"
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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).
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.El
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr miibus 4 ,
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.Xr netintro 4 ,
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.Xr ng_ether 4 ,
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.Xr polling 4 ,
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.Xr vlan 4 ,
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.Xr ifconfig 8
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.Rs
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.%T National Semiconductor DP83820 datasheet
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.%O http://www.national.com
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.Re
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.Rs
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.%T National Semiconductor DP83861 datasheet
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.%O http://www.national.com
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.Re
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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 4.4 .
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.Sh AUTHORS
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The
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.Nm
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driver was written by
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.An Bill Paul Aq wpaul@bsdi.com .
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