185 lines
4.9 KiB
Groff
185 lines
4.9 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 December 15, 2008
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.Dt FXP 4
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.Os
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.Sh NAME
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.Nm fxp
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.Nd "Intel EtherExpress PRO/100 Ethernet device 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 fxp"
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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_fxp_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 Ethernet adapters based on the Intel
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i82557, i82558, i82559, i82550, and i82562 chips.
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The driver supports TCP/UDP/IP checksum offload for both transmit
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and receive on i82550 and i82551.
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On i82559 only TCP/UDP checksum offload for receive is supported.
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TCP segmentation offload (TSO) for IPv4 as well as VLAN hardware
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tag insertion/stripping is supported on i82550 and i82551.
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Wake On Lan (WOL) support is provided on all controllers
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except i82557, i82259ER and early i82558 revisions.
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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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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
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.It autoselect
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Enable autoselection of the media type and options
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.It 10baseT/UTP
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Set 10Mbps operation
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.It 100baseTX
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Set 100Mbps (Fast Ethernet) 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 supports the following media options:
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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
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.It full-duplex
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Set full duplex operation
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.El
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.Pp
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Note that 100baseTX media type is not available on the Pro/10.
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For further information on configuring this device, see
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.Xr ifconfig 8 .
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.Pp
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The
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.Nm
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driver supports reception and transmission of extended frames
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for
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.Xr vlan 4 .
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This capability of
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.Nm
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can be controlled by means of the
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.Cm vlanmtu
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parameter
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to
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.Xr ifconfig 8 .
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.Pp
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The
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.Nm
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driver also supports a special link option:
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.Bl -tag -width link0
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.It Cm link0
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Some chip revisions have loadable microcode which can be used to reduce the
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interrupt load on the host cpu.
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Not all boards have microcode support.
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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 download the microcode to the chip if it is available.
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.El
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.Sh HARDWARE
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Adapters supported by the
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.Nm
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driver include:
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.Pp
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.Bl -bullet -compact
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.It
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Intel EtherExpress PRO/10
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.It
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Intel InBusiness 10/100
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.It
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Intel PRO/100B / EtherExpressPRO/100 B PCI Adapter
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.It
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Intel PRO/100+ Management Adapter
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.It
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Intel PRO/100 VE Desktop Adapter
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.It
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Intel PRO/100 VM Network Connection
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.It
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Intel PRO/100 M Desktop Adapter
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.It
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Intel PRO/100 S Desktop, Server and Dual-Port Server Adapters
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.It
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Contec C-NET(PI)-100TX (PC-98)
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.It
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NEC PC-9821Ra20, Rv20, Xv13, Xv20 internal 100Base-TX (PC-98)
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.It
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NEC PC-9821X-B06 (PC-98)
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.It
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Many on-board network interfaces on Intel motherboards
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.El
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "fxp%d: couldn't map memory"
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A fatal initialization error has occurred.
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.It "fxp%d: couldn't map interrupt"
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A fatal initialization error has occurred.
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.It "fxp%d: Failed to malloc memory"
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There are not enough mbuf's available for allocation.
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.It "fxp%d: device 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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.It "fxp%d: Microcode loaded, int_delay: %d usec bundle_max: %d"
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The chip has successfully downloaded the microcode, and changed the
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parameterized values to the given settings.
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.El
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.Sh SEE ALSO
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.Xr altq 4 ,
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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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.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 2.1 .
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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 David Greenman .
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It has then been updated to use the busdma API and made endian-clean by
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.An Maxime Henrion .
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This manual page was written by
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.An David E. O'Brien .
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