1.\" $NetBSD: ex.4,v 1.14 2019/02/05 06:17:00 msaitoh Exp $ 2.\" 3.\" Copyright (c) 1986, 1991, 1993 4.\" The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" from: @(#)ex.4 8.1 (Berkeley) 6/5/93 31.\" 32.Dd February 5, 2019 33.Dt EX 4 vax 34.Os 35.Sh NAME 36.Nm ex 37.Nd Excelan 10 Mb/s Ethernet interface 38.Sh SYNOPSIS 39.Cd "ex0 at uba0 csr 164000 vector excdint" 40.Sh DESCRIPTION 41NOTE: This driver has not been ported from 42.Bx 4.4 43yet. 44.Pp 45The 46.Nm ex 47interface provides access to a 10 Mb/s Ethernet network through 48an Excelan controller used as a link-layer interface. 49.Pp 50Each of the host's network addresses 51is specified at boot time with an 52.Dv SIOCSIFADDR 53.Xr ioctl 2 . 54The 55.Nm ex 56interface employs the address resolution protocol described in 57.Xr arp 4 58to dynamically map between Internet and Ethernet addresses on the local 59network. 60.Sh DIAGNOSTICS 61.Bl -diag 62.It "ex%d: HW %c.%c, NX %c.%c, hardware address %s." 63This provides firmware revisions levels, and is expected during 64autoconfiguration. 65.It ex%d: can't initialize. 66There was a failure in allocating UNIBUS resources for the device. 67.It "ex%d: configuration failed; cc = %x." 68The hardware indicated an error when trying to initialize itself. 69The error code returned is described at length in the device 70Reference Manual. 71.It ex%d: receive error %b. 72The hardware indicated an error 73in reading a packet from the cable. 74Specific Error bits are provided 75.It ex%d: transmit error %b. 76The hardware indicated an error 77in transmitting a packet to the cable or an illegally sized packet. 78Specific Error bits are provided 79.It ex%d: can't handle af%d. 80The interface was handed 81a message with addresses formatted in an unsuitable address 82family; the packet was dropped. 83.El 84.Sh SEE ALSO 85.Xr arp 4 , 86.Xr inet 4 , 87.Xr netintro 4 88.Sh HISTORY 89The 90.Nm 91driver appeared in 92.Bx 4.3 . 93