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controller chip. This chip is currently being used on the NetGear FA312-TX adapter, which I guess is a replacement for the FA310-TX (PNIC-based). I added support for this chip by modifying the sis driver since the SiS 900 and the NS DP83815 have almost the same programming interface (the RX filter programming and PHY access methods are different, but the general configuration, DMA scheme and register layout are identical). I would have had this done a lot sooner, but getting the damn MAC address out of the EEPROM proved to be more complicated than expected.
171 lines
5.7 KiB
Groff
171 lines
5.7 KiB
Groff
.\" Copyright (c) 1997, 1998, 1999
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.\" Bill Paul <wpaul@ee.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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.\" $FreeBSD$
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.\"
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.Dd September 4, 1999
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.Dt SIS 4
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.Os FreeBSD
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.Sh NAME
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.Nm sis
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.Nd
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SiS 900, SiS 7016 and NS DP83815 fast ethernet device driver
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.Sh SYNOPSIS
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.Cd "device miibus"
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.Cd "device sis"
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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 Silicon Integrated Systems SiS 900
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and SiS 7016 fast ethernet controller chips, as well as support
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for adapters based on the National Semiconductor DP83815 (MacPhyter)
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PCI ethernet controller chip, including the Netgear FA312-TX.
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.Pp
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The SiS 900 is a 100Mbps ethernet MAC and MII-compliant transceiver
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in a single package.
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It uses a bus master DMA and a scatter/gather
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descriptor scheme.
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The SiS 7016 is similar to the SiS 900 except
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that it has no internal PHY, requiring instead an external transceiver
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to be attached to its MII interface.
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The SiS 900 and SiS 7016 both have a 128-bit multicast hash filter
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and a single perfect filter entry for the station address.
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.Pp
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The NS DP83815 is also a 100Mbps ethernet MAC with integrated PHY.
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The NatSemi chip and the SiS 900 share many of the same features and
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a fairly similar programming interface, hence both chips are supported
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by the same driver.
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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.
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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.
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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 "sis%d: couldn't map ports/memory"
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A fatal initialization error has occurred.
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.It "sis%d: couldn't map interrupt"
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A fatal initialization error has occurred.
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.It "sis%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 "sis%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 "sis%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 clusisr.
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.It "sis%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.
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Some operating sysisms 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.
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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.
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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.
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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 sysism.
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If you power down your sysism 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 ng_ether 4 ,
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.Xr ifconfig 8
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.Rs
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.%T SiS 900 and SiS 7016 datasheets
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.%O http://www.sis.com.tw
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.Re
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.Rs
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.%T NatSemi DP83815 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 3.0 .
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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@ee.columbia.edu .
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