1.\" $NetBSD: qt.4,v 1.2 2003/08/31 16:40:33 wiz Exp $ 2.\" 3.\" Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se). 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. The name of the author may not be used to endorse or promote products 15.\" derived from this software without specific prior written permission 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" 28.Dd August 30, 2003 29.Dt QT 4 vax 30.Os 31.Sh NAME 32.Nm qt 33.Nd 34.Tn DEC DELQA-PLUS (DELQA-YM) 35.Tn Q-bus 3610 Mb/s Ethernet interface 37.Sh SYNOPSIS 38.Cd "qt0 at uba? csr 174440" 39.Cd "qt1 at uba? csr 174460" 40.Sh DESCRIPTION 41The 42.Nm 43interface provides access to a 10 Mb/s Ethernet network through a 44.Tn DEC DELQA-YM 45.Tn Q-bus 46controller. 47.Pp 48Each of the host's network addresses 49is specified at boot time with an 50.Dv SIOCSIFADDR 51.Xr ioctl 2 . 52The 53.Nm 54interface employs the address resolution protocol described in 55.Xr arp 4 56to dynamically map between Internet and Ethernet addresses on the local 57network. 58.Sh DIAGNOSTICS 59.Bl -diag 60.It qt%d: chained packet. 61A packet received from the network was longer than the allowed max length 62and is therefore discarded. 63This is usually because a host on the local network is behaving badly. 64.El 65.Sh SEE ALSO 66.Xr arp 4 , 67.Xr inet 4 , 68.Xr netintro 4 69.Sh HISTORY 70The 71.Nm 72driver first appeared in 73.Bx 2.11 . 74It was later ported to 75.Nx 2.0 . 76