Add manpage for udav(4)

Obtained from:		NetBSD

share/man/man4/udav.4

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+.\"	$NetBSD$
+.\"
+.\" Copyright (c) 2003
+.\"     Shingo WATANABE <nabe@nabechan.org>. All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"     This product includes software developed by Shingo WATANABE.
+.\" 4. Neither the name of the author nor the names of any co-contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"   without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+.\" THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd August 22, 2003
+.Dt UDAV 4
+.Os
+.Sh NAME
+.Nm udav
+.Nd Davicom DM9601 USB Ethernet driver
+.Sh SYNOPSIS
+.Cd "device uhci"
+.Cd "device ohci"
+.Cd "device usb"
+.Cd "device miibus"
+.Cd "device udav"
+.Sh HARDWARE
+The
+.Nm
+driver supports the following adapters:
+.Pp
+.Bl -tag -width Dv -offset indent -compact
+.It Tn Corega FEther USB-TXC
+.El
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for USB
+.Tn Ethernet
+adapters based on the Davicom DM9601 chipset.
+.Pp
+For more information on configuring this device, see
+.Xr ifconfig 8 .
+.Sh SEE ALSO
+.Xr arp 4 ,
+.Xr miibus 4 ,
+.Xr netintro 4 ,
+.Xr ng_ether 4 ,
+.Xr usb 4 ,
+.Xr ifconfig 8
+.Rs
+.%T "Davicom DM9601 data sheet"
+.%O http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-F01-062202s.pdf
+.Re
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Nx 2.0 .
+.Sh AUTHORS
+The
+.Nm
+driver was written by
+.An Shingo WATANABE Aq nabe@nabechan.org .