1*47674Scael.\" Copyright (c) 1983, 1991 The Regents of the University of California. 236756Sbostic.\" All rights reserved. 324221Smckusick.\" 443582Strent.\" %sccs.include.redist.man% 536756Sbostic.\" 6*47674Scael.\" @(#)ddn.4 6.5 (Berkeley) 03/27/91 736756Sbostic.\" 8*47674Scael.Dd 9*47674Scael.Dt DDN 4 vax 10*47674Scael.Os BSD 4.3 11*47674Scael.Sh NAME 12*47674Scael.Nm ddn 13*47674Scael.Nd 14*47674Scael.Tn DDN 15*47674ScaelStandard Mode 16*47674Scael.Tn X.25 17*47674Scael.Tn IMP 18*47674Scaelinterface 19*47674Scael.Sh SYNOPSIS 20*47674Scael.Cd "device ddn0 at uba0 csr 166740 vector ddnintr" 21*47674Scael.Sh DESCRIPTION 2224221SmckusickThe 23*47674Scael.Nm ddn 24*47674Scaeldevice provides a 25*47674Scael.Tn DDN 26*47674ScaelStandard Mode 27*47674Scael.Tn X.25 28*47674Scaelinterface to an 29*47674Scael.Tn IMP 30*47674Scaelusing 31*47674Scaelthe 32*47674Scael.Tn ACC ACP625 33*47674Scael.Tn X.25 34*47674Scaelboard. It is normally used for connecting to 35*47674Scaelthe Defense Data Network 36*47674Scael.Pq Tn DDN . 37*47674ScaelThe controller itself is not accessible 3824221Smckusickto users, but instead provides a network interface for the 3924221SmckusickInternet Protocol described in 40*47674Scael.Xr ip 4 . 41*47674Scael.Sh DIAGNOSTICS 42*47674Scael.Bl -diag 43*47674Scael.It ddn%d: not alive. 4424221SmckusickThe initialization routine was entered even though the device 4524221Smckusickdid not autoconfigure. This indicates a system problem. 46*47674Scael.Pp 47*47674Scael.It ddn%d: failed getting UBA resources for lcn %d." 48*47674ScaelInsufficient 49*47674Scael.Tn UNIBUS 50*47674Scaelresources existed to initialize the device. 51*47674ScaelThis is likely to be a shortage of 52*47674Scael.Tn UNIBUS 53*47674Scaelmapping registers. 54*47674Scael.Pp 55*47674Scael.It ddn%d: couldn't get X25 init buffer. 5624221SmckusickThis indicates that an 57*47674Scael.Em mbuf 5824221Smckusickcould not be allocated for sending the initialization message to the 59*47674Scael.Tn ACP Ns 625. 60*47674Scael.Pp 61*47674Scael.It DDN: illegal X25 address length! 62*47674Scael.It DDN: illegal X25 address format! 63*47674ScaelThese errors indicate a problem with the called 64*47674Scael.Tn X.25 65*47674Scaeladdress received 66*47674Scaelfrom the 67*47674Scael.Tn IMP 68*47674Scaelon an incoming call. 69*47674Scael.Pp 70*47674Scael.It X25 RESET on lcn = %d. 71*47674ScaelThis indicates that an unexpected 72*47674Scael.Tn X.25 73*47674Scael.Tn RESET 74*47674Scaelwas received on the 75*47674Scaelindicated 76*47674Scael.Tn LCN . 77*47674Scael.Pp 78*47674Scael.It X25 INTERRUPT on lcn = %d, code = %d. 79*47674ScaelThis indicates that an unexpected 80*47674Scael.Tn X.25 81*47674Scael.Tn INTERRUPT 82*47674ScaelPacket was received on the 83*47674Scaelindicated 84*47674Scael.Tn LCN . 85*47674Scael.Pp 86*47674Scael.It ddn%d: failed to get supr msg bfr! 8724221SmckusickThis indicates that an 88*47674Scael.Em mbuf 8924221Smckusickcould not be allocated for sending a supervisor message to the 90*47674Scael.Tn ACP625 . 91*47674Scael.El 92*47674Scael.Pp 93*47674ScaelAny other error message from 94*47674Scael.Ql ddn%d: 95*47674Scaelindicates a serious error 96*47674Scaeldetected by either the driver or the 97*47674Scael.Tn ACP Ns 625 98*47674Scaelfirmware. 99*47674Scael.Sh SEE ALSO 100*47674Scael.Xr netintro 4 , 101*47674Scael.Xr ip 4 102*47674Scael.Sh HISTORY 103*47674ScaelThe 104*47674Scael.Nm 105*47674Scaelinterface appeared in 106*47674Scael.Bx 4.3 . 107