0177987224
USB-EL1202A chipset. Between this and the other two drivers, we should have support for pretty much every USB ethernet adapter on the market. The only other USB chip that I know of is the SMC USB97C196, and right now I don't know of any adapters that use it (including the ones made by SMC :/ ). Note that the CATC chip supports a nifty feature: read and write combining. This allows multiple ethernet packets to be transfered in a single USB bulk in/out transaction. However I'm again having trouble with large bulk in transfers like I did with the ADMtek chip, which leads me to believe that our USB stack needs some work before we can really make use of this feature. When/if things improve, I intend to revisit the aue and cue drivers. For now, I've lost enough sanity points.
86 lines
3.1 KiB
Groff
86 lines
3.1 KiB
Groff
.\" Copyright (c) 1997, 1998, 1999, 2000
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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 January 13, 2000
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.Dt CUE 4 i386
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.Os FreeBSD
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.Sh NAME
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.Nm cue
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.Nd
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CATC USB-EL1201A USB Ethernet driver
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.Sh SYNOPSIS
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.Cd "controller uhci0"
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.Cd "controller ohci0"
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.Cd "controller usb0"
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.Cd "device cue0"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for USB ethernet adapters based on the Computer
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Access Technology Corporation's USB-EL1202A chipset, including the
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CATC Netmate and Netmate II, and the Belkin F5U111.
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.Pp
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The USB-EL1202A supports a 512-bit multicast hash filter, single perfect
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filter entry for the station address and promiscuous mode. Packets are
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received and transmitted over separate USB bulk transfer endpoints.
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.Pp
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The CATC adapter supports only 10mbps half-duplex mode, hence there
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are no
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.Xr ifmedia 4
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modes to select.
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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 "cue%d: watchdog timeout"
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A packet was queued for transmission and a transmit command was
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issued, however the device failed to acknowledge the transmission
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before a timeout expired.
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.It "cue%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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.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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.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 4.0 .
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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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