26fdf1e8b6
- Fix style compliancy by wrapping some long lines in if_mos.c Approved by: thompsa (mentor)
98 lines
2.7 KiB
Groff
98 lines
2.7 KiB
Groff
.\"
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.\" Copyright (c) 2011 Rick van der Zwet <info@rickvanderzwet.nl>
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd February 14, 2011
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.Dt MOS 4
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.Os
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.Sh NAME
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.Nm mos
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.Nd Moschip MCS7730/MCS7840 USB Ethernet 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 uhci"
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.Cd "device ohci"
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.Cd "device ehci"
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.Cd "device usb"
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.Cd "device miibus"
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.Cd "device mos"
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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_mos_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 USB Ethernet adapters based on the
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Moschip MCS7730/MCS7830 chipset.
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.Pp
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The adapters that contain the Moschip MCS7730/MCS7830 chipset
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will operate at 100Base-TX and full-duplex.
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.Pp
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The Moschip contains a 10/100
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Ethernet MAC with MII interface and is designed to work with both
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Ethernet and HomePNA transceivers.
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Although designed to interface with
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100Mbps peripherals, this only works with USB 2.0. The existing USB 1.0
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standard specifies a maximum transfer speed of 12Mbps.
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USB 1.0 Users should therefore not expect to actually achieve 100Mbps speeds
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with these devices.
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.Pp
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The Moschip supports a 64-bit multicast hash table, single perfect
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filter entry for the station address and promiscuous mode.
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Packets are
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received and transmitted over separate USB bulk transfer endpoints.
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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 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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Sitecom LN030
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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 ifconfig 8
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.Rs
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.%T ADMtek AN986 data sheet
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.%O http://www.moschip.com/data/products/MCS7830/Data%20Sheet_7830.pdf
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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 8.2 .
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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 Rick van der Zwet info@rickvanderzwet.nl .
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