1*61595Sbostic.\" Copyright (c) 1988, 1991, 1993 2*61595Sbostic.\" The Regents of the University of California. All rights reserved. 334726Smckusick.\" 447674Scael.\" %sccs.include.redist.man% 534726Smckusick.\" 6*61595Sbostic.\" @(#)dmv.4 8.1 (Berkeley) 06/05/93 747674Scael.\" 847674Scael.Dd 947674Scael.Dt DMV 4 vax 1047674Scael.Os BSD 4.3 1147674Scael.Sh NAME 1247674Scael.Nm dmv 1347674Scael.Nd 1447674Scael.Tn DEC 1547674Scael.Tn DMV-11 1647674Scaelpoint-to-point communications device 1747674Scael.Sh SYNOPSIS 1847674Scael.Cd "device dmv0 at uba0 csr 167000 vector dmvrint dmvxint" 1947674Scael.Sh DESCRIPTION 2034726SmckusickThe 2147674Scael.Nm dmv 2234726Smckusickinterface provides access to a point-to-point communications 2347674Scaeldevice which runs at up to 56 Kb/s. 2447674Scael.Tn DMV-11 Ns s 2547674Scaelcommunicate 2647674Scaelusing the 2747674Scael.Tn DEC 2847674Scael.Tn DDCMP 2947674Scaellink layer protocol. 3047674Scael.Pp 3147674ScaelThe host's address must be specified with an 3247674Scael.Dv SIOCSIFADDR 3347674Scael.Xr ioctl 2 , 3447674Scaeland the destination address specified with a 3547674Scael.Dv SIOCSIFDSTADDR 3647674Scael.Xr ioctl , 3734726Smckusickbefore the interface will transmit or receive any packets. 3847674Scael.Sh ROUTING 3947674ScaelThe driver places a 4047674Scael.Tn HOST 4147674Scaelentry in the kernel routing tables for the 4247674Scaeladdress given in the 4347674Scael.Dv SIOCSIFDSTADDR 4447674Scael.Xr ioctl . 4547674ScaelTo use the 4647674Scael.Tn DMV 4747674Scaelas a 4834726Smckusicklink between local nets, the route to the remote net must be added manually 4934726Smckusickwith the 5047674Scael.Xr route 8 5134726Smckusickcommand, or by the use of the routing process 5247674Scael.Xr routed 8 5334726Smckusickon each end of the link. 5447674Scael.Sh DIAGNOSTICS 5547674Scael.Bl -diag 5647674Scael.It dmvprobe: can't start device. 5747674Scael.It "dmvprobe: device init failed, bsel4=%o, bsel6=%o." 5834726SmckusickThe probe routine was unable to start the device. 5947674Scael.Pp 6047674Scael.It dmvinit: dmv%d not running. 6147674Scael.It dmvrestart: can't start device. 6247674Scael.It "dmv%d: device init failed, bsel4=%o, bsel6=%o." 6334726SmckusickThe initialization/restart routine was unable to start the device. 6447674Scael.Pp 6547674Scael.It dmv%d: far end on-line. 6634726SmckusickThe other end of the connection has come online. 6747674Scael.Pp 6847674Scael.It dmv%d: far end restart. 6934726SmckusickThe other end of the line has restarted. 7047674Scael.Pp 7147674Scael.It dmv%d: bad control %o. 7234726SmckusickA bad parameter was passed to the 7347674Scael.Em dmvload 7434726Smckusickroutine. 7547674Scael.Pp 7647674Scael.It "dmvxint: dmv%d bad rcv pkt addr 0x%x len 0x%x." 7734726SmckusickA bad packet was received. 7847674Scael.Pp 7947674Scael.It "dmv%d: bad packet address 0x%x." 8034726SmckusickAn input packet was received which contained a type of 8134726Smckusickaddress unknown to the driver. 8247674Scael.Pp 8347674Scael.It "dmvxint: dmv%d unallocated packet 0x%x." 8434726SmckusickA protocol error has occured with the board. 8547674Scael.Pp 8647674Scael.It "dmvoutput, dmv%d can't handle af%d." 8734726SmckusickA packet for an unsupported address family has been sent. 8847674Scael.Pp 8947674Scael.It "dmv%d: output timeout, bsel0=%b bsel2=%b." 9034726SmckusickA device timeout occurred. 9147674Scael.El 9247674Scael.Pp 9334726SmckusickNumerous other device errors may be displayed. 9447674Scael.Sh SEE ALSO 9547674Scael.Xr dmc 4 , 9647674Scael.Xr intro 4 , 9747674Scael.Xr inet 4 9847674Scael.Sh HISTORY 9947674ScaelThe 10047674Scael.Nm 10147674Scaeldriver appeared in 10247674Scael.Bx 4.3 tahoe . 103