122 lines
3.5 KiB
Groff
122 lines
3.5 KiB
Groff
.\"
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.\" Copyright (c) 1998-2001 Semen Ustimenko <semenu@FreeBSD.org>
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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 July 16, 2005
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.Dt TX 4
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.Os
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.Sh NAME
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.Nm tx
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.Nd "SMC 83c17x Fast 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 tx"
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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_tx_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 the Ethernet adapters based on the
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SMC 83c17x (EPIC) chips.
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These are mostly SMC 9432 series cards.
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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 (depending on card's capabilities):
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.Pp
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.Bl -tag -width ".Cm 10baseT/UTP"
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.It Cm autoselect
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Enable autonegotiation (default).
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.It Cm 100baseFX
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Set 100Mbps (Fast Ethernet) fiber optic operation.
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.It Cm 100baseTX
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Set 100Mbps (Fast Ethernet) twisted pair operation.
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.It Cm 10baseT/UTP
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Set 10Mbps on 10baseT port.
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.It Cm 10base2/BNC
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Set 10Mbps on 10base2 port.
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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 ".Cm full-duplex"
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.It Cm full-duplex
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Set full-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 supports oversized Ethernet packets (up to 1600 bytes).
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Refer to the
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.Xr ifconfig 8
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man page on setting the interface's MTU.
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.Pp
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The old
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.Dq Li "ifconfig tx0 linkN"
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method of configuration is not supported.
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.Ss "VLAN (IEEE 802.1Q) support"
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The
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.Nm
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driver supports the VLAN operation (using
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.Xr vlan 4
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interfaces) without decreasing the MTU on the
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.Xr vlan 4
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interfaces.
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "tx%d: device timeout %d packets"
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The device stops responding.
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Device and driver reset follows this error.
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.It "tx%d: PCI fatal error occurred (%s)"
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One of following errors occurred: PCI Target Abort, PCI Master Abort, Data
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Parity Error or Address Parity Error.
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Device and driver reset follows this error.
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.It "tx%d: cannot allocate mbuf header/cluster"
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Cannot allocate memory for received packet.
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Packet thrown away.
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.It "tx%d: can't stop %s DMA"
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While resetting, the driver failed to stop the device correctly.
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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 ifconfig 8
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.Sh BUGS
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The auto-negotiation does not work very well.
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