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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 15:32:58 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 15:32:58 -0400
commit5cb84ec742fd33f78c8022863fadaa8d0d93e176 (patch)
tree1a81ca3665e6153923e40db7b0d988f8573ab59c /static/netbsd/man4/man4.vax/ddn.4
parenta59214f344567c037d5776879bcfc5fcc1d4d5f6 (diff)
feat: Added NetBSD man pages
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+.\" $NetBSD: ddn.4,v 1.13 2017/08/01 11:11:17 wiz Exp $
+.\"
+.\" Copyright (c) 1983, 1991, 1993
+.\" The Regents of the University of California. All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. Neither the name of the University nor the names of its contributors
+.\" may be used to endorse or promote products derived from this software
+.\" without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" from: @(#)ddn.4 8.1 (Berkeley) 6/5/93
+.\"
+.Dd June 5, 1993
+.Dt DDN 4 vax
+.Os
+.Sh NAME
+.Nm ddn
+.Nd
+.Tn DDN
+Standard Mode
+.Tn X.25
+.Tn IMP
+network interface
+.Sh SYNOPSIS
+.Cd "ddn0 at uba0 csr 166740 vector ddnintr"
+.Sh DESCRIPTION
+NOTE: This driver has not been ported from
+.Bx 4.4
+yet.
+.Pp
+The
+.Nm ddn
+device provides a
+.Tn DDN
+Standard Mode
+.Tn X.25
+interface to an
+.Tn IMP
+using
+the
+.Tn ACC ACP625
+.Tn X.25
+board.
+It is normally used for connecting to the Defense Data Network
+.Pq Tn DDN .
+The controller itself is not accessible
+to users, but instead provides a network interface for the
+Internet Protocol described in
+.Xr ip 4 .
+.Sh DIAGNOSTICS
+.Bl -diag
+.It ddn%d: not alive.
+The initialization routine was entered even though the device
+did not autoconfigure.
+This indicates a system problem.
+.It ddn%d: failed getting UBA resources for lcn %d."
+Insufficient
+.Tn UNIBUS
+resources existed to initialize the device.
+This is likely to be a shortage of
+.Tn UNIBUS
+mapping registers.
+.It ddn%d: couldn't get X25 init buffer.
+This indicates that an
+.Em mbuf
+could not be allocated for sending the initialization message to the
+.Tn ACP Ns 625 .
+.It DDN: illegal X25 address length!
+.It DDN: illegal X25 address format!
+These errors indicate a problem with the called
+.Tn X.25
+address received
+from the
+.Tn IMP
+on an incoming call.
+.It X25 RESET on lcn = %d.
+This indicates that an unexpected
+.Tn X.25
+.Tn RESET
+was received on the
+indicated
+.Tn LCN .
+.It X25 INTERRUPT on lcn = %d, code = %d.
+This indicates that an unexpected
+.Tn X.25
+.Tn INTERRUPT
+Packet was received on the
+indicated
+.Tn LCN .
+.It ddn%d: failed to get supr msg bfr!
+This indicates that an
+.Em mbuf
+could not be allocated for sending a supervisor message to the
+.Tn ACP625 .
+.El
+.Pp
+Any other error message from
+.Ql ddn%d:
+indicates a serious error
+detected by either the driver or the
+.Tn ACP Ns 625
+firmware.
+.Sh SEE ALSO
+.Xr ip 4 ,
+.Xr netintro 4
+.Sh HISTORY
+The
+.Nm
+interface appeared in
+.Bx 4.3 .