.\" $OpenBSD
.\" $NetBSD: upl.4,v 1.3 2000/08/12 17:59:12 augustss Exp $
.\"
.\" Copyright (c) 2000 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Lennart Augustsson.
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.\"        This product includes software developed by the NetBSD
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.Dd April 10, 2000
.Dt UPL 4
.Os
.Sh NAME
.Nm upl
.Nd USB support for Prolific based host-to-host adapters
.Sh SYNOPSIS
.Cd "upl* at uhub?"
.Sh DESCRIPTION
The
.Nm
driver provides support for Prolific PL2301/PL2302 based host-to-host
USB connectors.
.Pp
The
.Nm
driver appears as a point-to-point network interface and
should be configured with
.Xr ifconfig 8
in the same way as other point-to-point interfaces.
The
.Nm
device supports IPv4 only.
.Sh HARDWARE
The
.Nm
driver supports the following adapters from the following vendors:
.Bl -tag -width -offset indent -compact
.It Tn Aserton
.It Tn Bencent
.It Tn Butterfly
.It Tn Camtel
.It Tn Inland
.It Tn Longshine
.It Tn PC Linq
.It Tn Prolific
.It Tn StarMount
.It Tn Univex
.It Tn VVMer
.El
.Pp
Belkin, Entrega, and Xircom do
.Em NOT
use this chip and are not supported by this driver.
.Sh SEE ALSO
.Xr netintro 4 ,
.Xr usb 4 ,
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
driver appeared in
.Nx 1.5 .
.Ox
support was added in
.Ox 2.9 .