1.\" $NetBSD: upl.4,v 1.9 2019/08/30 09:22:17 wiz Exp $ 2.\" 3.\" Copyright (c) 2000 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Lennart Augustsson. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd August 24, 2019 31.Dt UPL 4 32.Os 33.Sh NAME 34.Nm upl 35.Nd USB support for Prolific based host-to-host adapters 36.Sh SYNOPSIS 37.Cd "upl* at uhub?" 38.Sh DESCRIPTION 39The 40.Nm 41driver provides support for Prolific PL2301/PL2302 based host-to-host 42USB connectors. 43.Pp 44The 45.Nm 46driver appears as a point-to-point network interface and 47should be configured with 48.Xr ifconfig 8 49in the same way as other point-to-point interfaces. 50The 51.Nm 52device supports IPv4 only. 53.Sh HARDWARE 54The 55.Nm 56driver supports the following adapters from the following vendors: 57.Bl -tag -width Dv -offset indent -compact 58.It Tn Aserton 59.It Tn Bencent 60.It Tn Butterfly 61.It Tn Camtel 62.It Tn Inland 63.It Tn Longshine 64.It Tn PC Linq 65.It Tn Prolific 66.It Tn StarMount 67.It Tn Univex 68.It Tn VVMer 69.El 70.Pp 71Belkin, Entrega, and Xircom do 72.Em NOT 73use this chip and are not supported by this driver. 74.Sh DIAGNOSTICS 75See 76.Xr usbnet 4 77for diagnostics. 78.Sh SEE ALSO 79.Xr netintro 4 , 80.Xr usb 4 , 81.Xr usbnet 4 , 82.Xr ifconfig 8 83.Sh HISTORY 84The 85.Nm 86driver 87appeared in 88.Nx 1.5 . 89