1.\" $NetBSD: en.4,v 1.7 2001/09/19 00:49:57 wiz Exp $ 2.\" 3.\" Copyright (c) 1997 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 8.\" NASA Ames Research Center. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. All advertising materials mentioning features or use of this software 19.\" must display the following acknowledgement: 20.\" This product includes software developed by the NetBSD 21.\" Foundation, Inc. and its contributors. 22.\" 4. Neither the name of The NetBSD Foundation nor the names of its 23.\" contributors may be used to endorse or promote products derived 24.\" from this software without specific prior written permission. 25.\" 26.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36.\" POSSIBILITY OF SUCH DAMAGE. 37.\" 38.Dd November 10, 1997 39.Dt EN 4 40.Os 41.Sh NAME 42.Nm en 43.Nd Midway-based ATM interfaces device driver 44.Sh SYNOPSIS 45.Cd "en* at pci? dev ? function ?" 46.\".Cd "en* at sbus? slot ? offset ?" 47.Sh DESCRIPTION 48The 49.Nm 50device driver supports Midway-based 51.Tn ATM 52interfaces including the 53Efficient Networks, Inc. ENI-155 and Adaptec 5900 and 5905. 54.Sh OPTIONS 55The Efficient Networks, Inc. and Adaptec interfaces use significantly 56different DMA engines. 57In order to reduce the size of the 58.Nm 59driver object, exactly one of the following options may be placed 60in the kernel configuration file: 61.Bl -tag -width MIDWAY_ADPONLY 62.It MIDWAY_ADPONLY 63Include support for Adaptec interfaces only. 64.It MIDWAY_ENIONLY 65Include support for Efficient Networks, Inc. interfaces only. 66.El 67.\" .Sh MEDIA SELECTION 68.\" .Sh DIAGNOSTICS 69.Sh HARDWARE 70Cards supported by the 71.Nm 72driver include: 73.Pp 74.Bl -item -compact 75.It 76Efficient Networks, Inc. ENI-155 77.It 78Adaptec 5900 and 5905 79.El 80.Sh SEE ALSO 81.Xr intro 4 , 82.Xr pci 4 , 83.Xr sbus 4 , 84.Xr ifconfig 8 85.Sh BUGS 86The 87.Tn Sbus 88attachment of the 89.Nm 90driver only currently functions on sun4c class systems. 91