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on the ASIX AX88140A chip. Update /sys/conf/files, RELNOTES.TXT, /sys/i388/i386/userconfig.c, sysinstall/devices.c, GENERIC and LINT accordingly. For now, the only board that I know of that uses this chip is the Alfa Inc. GFC2204. (Its predecessor, the GFC2202, was a DEC tulip card.) Thanks again to Ulf for obtaining the board for me. If anyone runs across another, please feel free to update the man page and/or the release notes. (The same applies for the other drivers.) FreeBSD should now have support for all of the DEC tulip workalike chipsets currently on the market (Macronix, Lite-On, Winbond, ASIX). And unless I'm mistaken, it should also have support for all PCI fast ethernet chipsets in general (except maybe the SMC FEAST chip, which nobody seems to ever use, including SMC). Now if only we could convince 3Com, Intel or whoever to cough up some documentation for gigabit ethernet hardware. Also updated RELNOTEX.TXT to mention that the SVEC PN102TX is supported by the Macronix driver (assuming you actually have an SVEC PN102TX with a Macronix chip on it; I tried to order a PN102TX once and got a box labeled 'Hawking Technology PN102TX' that had a VIA Rhine board inside it).
153 lines
5.4 KiB
Groff
153 lines
5.4 KiB
Groff
.\" Copyright (c) 1997, 1998, 1999
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.\" Bill Paul <wpaul@ctr.columbia.edu>. 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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.\" $Id: ax.4,v 1.2 1999/01/09 17:19:41 wpaul Exp $
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.\"
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.Dd January 2, 1999
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.Dt AX 4 i386
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.Os FreeBSD
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.Sh NAME
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.Nm ax
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.Nd
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ASIX Electronics AX88140A fast ethernet device driver
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.Sh SYNOPSIS
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.Cd "device ax0"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for PCI ethernet adapters and embedded
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controllers based on the ASIX AX88140A fast ethernet controller chip,
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including the Alfa Inc. GFC2204.
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.Pp
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The ASIX chip uses bus master DMA and is designed to be a
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DEC 21x4x workalike. The only major difference between the DEC
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and ASIX parts is that the ASIX receiver filter is programmed
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using two special registers where as the DEC chip is programmed
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by uploading a special setup frame via the transmit DMA engine.
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The ASIX receive filter can only be programmed with a single
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perfect filter entry for the local station address and a 64-bit
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multicast hash table; the DEC filter has supports several other
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options. The ASIX fast ethernet controller supports both
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10 and 100Mbps speeds in either full or half duplex using
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an external MII transceiver.
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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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The user can manually override
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the autoselected mode by adding media options to the
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.Pa /etc/rc.conf
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fine.
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.It 10baseT/UTP
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Set 10Mbps operation. The
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.Ar mediaopt
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option can also be used to select either
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.Ar full-duplex
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or
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.Ar half-duplex modes.
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.It 100baseTX
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Set 100Mbps (fast ethernet) operation. The
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.Ar mediaopt
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option can also be used to select either
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.Ar full-duplex
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or
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.Ar half-duplex
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modes.
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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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Force full duplex operation
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.It half-duplex
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Force half duplex operation.
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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 DIAGNOSTICS
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.Bl -diag
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.It "ax%d: couldn't map memory"
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A fatal initialization error has occurred.
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.It "ax%d: couldn't map interrupt"
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A fatal initialization error has occurred.
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.It "ax%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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.It "ax%d: no memory for rx list"
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The driver failed to allocate an mbuf for the receiver ring.
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.It "ax%d: no memory for tx list"
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The driver failed to allocate an mbuf for the transmitter ring when
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allocating a pad buffer or collapsing an mbuf chain into a cluster.
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.It "ax%d: chip is in D3 power state -- setting to D0"
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This message applies only to adapters which support power
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management. Some operating systems place the controller in low power
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mode when shutting down, and some PCI BIOSes fail to bring the chip
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out of this state before configuring it. The controller loses all of
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its PCI configuration in the D3 state, so if the BIOS does not set
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it back to full power mode in time, it won't be able to configure it
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correctly. The driver tries to detect this condition and bring
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the adapter back to the D0 (full power) state, but this may not be
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enough to return the driver to a fully operational condition. If
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you see this message at boot time and the driver fails to attach
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the device as a network interface, you will have to perform second
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warm boot to have the device properly configured.
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.Pp
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Note that this condition only occurs when warm booting from another
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operating system. If you power down your system prior to booting
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.Fx ,
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the card should be configured 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 netintro 4 ,
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.Xr ifconfig 8
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.Rs
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.%T ASIX AX81140A data sheet
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.%O http://www.asix.com.tw
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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 3.0 .
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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 Bill Paul Aq wpaul@ctr.columbia.edu .
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