Add very basic outline man page for smsc(4).

MFC after:	6 days

share/man/man4/Makefile

@@ -439,6 +439,7 @@ MAN=	aac.4 \
 	smb.4 \
 	smbus.4 \
 	smp.4 \
+	smsc.4 \
 	sn.4 \
 	snd_ad1816.4 \
 	snd_als4000.4 \

share/man/man4/smsc.4

@@ -0,0 +1,89 @@
+.\" Copyright (c) 2014 Gavin Atkinson
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\"
+.\"    - Redistributions of source code must retain the above copyright
+.\"      notice, this list of conditions and the following disclaimer.
+.\"    - 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE
+.\" COPYRIGHT HOLDERS OR CONTRIBUTORS 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 September 26, 2014
+.Dt SMSC 4
+.Os
+.Sh NAME
+.Nm smsc
+.Nd "USB SMSC LAN9xxx Fast Ethernet driver"
+.Sh SYNOPSIS
+To load the driver as a module at boot time, place the
+following line in
+.Xr loader.conf 5 :
+.Bd -literal -offset indent
+if_smsc_load="YES"
+.Ed
+.Pp
+Alternatively, to compile this driver into the kernel, place the
+following lines in your kernel configuration file:
+.Bd -ragged -offset indent
+.Cd "device uhci"
+.Cd "device ohci"
+.Cd "device usb"
+.Cd "device smsc"
+.Ed
+.Sh DESCRIPTION
+The
+.Nm
+device driver provides support for USB Fast Ethernet adapters based
+on the SMSC LAN9xxx chipsets.
+.Pp
+For more information on configuring this device, see
+.Xr ifconfig 8 .
+.Sh HARDWARE
+The following devices are supported by the
+.Nm
+driver:
+.Pp
+.Bl -bullet -compact
+.It
+SMSC LAN9500, LAN9500A, LAN9505 and LAN9505A based Ethernet adapters
+.It
+SMSC LAN89530, LAN9530 and LAN9730 based Ethernet adapters
+.It
+SMSC LAN951x Ethernet adapters with integrated USB hub
+.El
+.Sh SEE ALSO
+.Xr arp 4 ,
+.Xr intro 4 ,
+.Xr netintro 4 ,
+.Xr usb 4 ,
+.Xr ifconfig 8
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Fx 10.0 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Ben Gray Aq Mt bgray@FreeBSD.org .