1*47674Scael.\" Copyright (c) 1988, 1991 Regents of the University of California. 2*47674Scael.\" All rights reserved. 334726Smckusick.\" 4*47674Scael.\" %sccs.include.redist.man% 534726Smckusick.\" 6*47674Scael.\" @(#)dmv.4 6.2 (Berkeley) 03/27/91 7*47674Scael.\" 8*47674Scael.Dd 9*47674Scael.Dt DMV 4 vax 10*47674Scael.Os BSD 4.3 11*47674Scael.Sh NAME 12*47674Scael.Nm dmv 13*47674Scael.Nd 14*47674Scael.Tn DEC 15*47674Scael.Tn DMV-11 16*47674Scaelpoint-to-point communications device 17*47674Scael.Sh SYNOPSIS 18*47674Scael.Cd "device dmv0 at uba0 csr 167000 vector dmvrint dmvxint" 19*47674Scael.Sh DESCRIPTION 2034726SmckusickThe 21*47674Scael.Nm dmv 2234726Smckusickinterface provides access to a point-to-point communications 23*47674Scaeldevice which runs at up to 56 Kb/s. 24*47674Scael.Tn DMV-11 Ns s 25*47674Scaelcommunicate 26*47674Scaelusing the 27*47674Scael.Tn DEC 28*47674Scael.Tn DDCMP 29*47674Scaellink layer protocol. 30*47674Scael.Pp 31*47674ScaelThe host's address must be specified with an 32*47674Scael.Dv SIOCSIFADDR 33*47674Scael.Xr ioctl 2 , 34*47674Scaeland the destination address specified with a 35*47674Scael.Dv SIOCSIFDSTADDR 36*47674Scael.Xr ioctl , 3734726Smckusickbefore the interface will transmit or receive any packets. 38*47674Scael.Sh ROUTING 39*47674ScaelThe driver places a 40*47674Scael.Tn HOST 41*47674Scaelentry in the kernel routing tables for the 42*47674Scaeladdress given in the 43*47674Scael.Dv SIOCSIFDSTADDR 44*47674Scael.Xr ioctl . 45*47674ScaelTo use the 46*47674Scael.Tn DMV 47*47674Scaelas a 4834726Smckusicklink between local nets, the route to the remote net must be added manually 4934726Smckusickwith the 50*47674Scael.Xr route 8 5134726Smckusickcommand, or by the use of the routing process 52*47674Scael.Xr routed 8 5334726Smckusickon each end of the link. 54*47674Scael.Sh DIAGNOSTICS 55*47674Scael.Bl -diag 56*47674Scael.It dmvprobe: can't start device. 57*47674Scael.It "dmvprobe: device init failed, bsel4=%o, bsel6=%o." 5834726SmckusickThe probe routine was unable to start the device. 59*47674Scael.Pp 60*47674Scael.It dmvinit: dmv%d not running. 61*47674Scael.It dmvrestart: can't start device. 62*47674Scael.It "dmv%d: device init failed, bsel4=%o, bsel6=%o." 6334726SmckusickThe initialization/restart routine was unable to start the device. 64*47674Scael.Pp 65*47674Scael.It dmv%d: far end on-line. 6634726SmckusickThe other end of the connection has come online. 67*47674Scael.Pp 68*47674Scael.It dmv%d: far end restart. 6934726SmckusickThe other end of the line has restarted. 70*47674Scael.Pp 71*47674Scael.It dmv%d: bad control %o. 7234726SmckusickA bad parameter was passed to the 73*47674Scael.Em dmvload 7434726Smckusickroutine. 75*47674Scael.Pp 76*47674Scael.It "dmvxint: dmv%d bad rcv pkt addr 0x%x len 0x%x." 7734726SmckusickA bad packet was received. 78*47674Scael.Pp 79*47674Scael.It "dmv%d: bad packet address 0x%x." 8034726SmckusickAn input packet was received which contained a type of 8134726Smckusickaddress unknown to the driver. 82*47674Scael.Pp 83*47674Scael.It "dmvxint: dmv%d unallocated packet 0x%x." 8434726SmckusickA protocol error has occured with the board. 85*47674Scael.Pp 86*47674Scael.It "dmvoutput, dmv%d can't handle af%d." 8734726SmckusickA packet for an unsupported address family has been sent. 88*47674Scael.Pp 89*47674Scael.It "dmv%d: output timeout, bsel0=%b bsel2=%b." 9034726SmckusickA device timeout occurred. 91*47674Scael.El 92*47674Scael.Pp 9334726SmckusickNumerous other device errors may be displayed. 94*47674Scael.Sh SEE ALSO 95*47674Scael.Xr dmc 4 , 96*47674Scael.Xr intro 4 , 97*47674Scael.Xr inet 4 98*47674Scael.Sh HISTORY 99*47674ScaelThe 100*47674Scael.Nm 101*47674Scaeldriver appeared in 102*47674Scael.Bx 4.3 tahoe . 103