1*61599Sbostic.\" Copyright (c) 1983, 1991, 1993 2*61599Sbostic.\" The Regents of the University of California. All rights reserved. 320736Smckusick.\" 447674Scael.\" %sccs.include.redist.man% 520736Smckusick.\" 6*61599Sbostic.\" @(#)pcl.4 8.1 (Berkeley) 06/05/93 747674Scael.\" 847674Scael.Dd 947674Scael.Dt PCL 4 vax 1047674Scael.Os BSD 4.2 1147674Scael.Sh NAME 1247674Scael.Nm pcl 1347674Scael.Nd 1447674Scael.Tn DEC CSS 1547674Scael.Tn PCL-11 B 1647674ScaelNetwork Interface 1747674Scael.Sh SYNOPSIS 1847674Scael.Cd "device pcl0 at uba? csr 164200 vector pclxint pclrint" 1947674Scael.Sh DESCRIPTION 2020736SmckusickThe 2147674Scael.Nm pcl 2247674Scaeldevice provides an 2347674Scael.Tn IP Ns -only 2447674Scaelinterface to the 2547674Scael.Tn DEC CSS 2647674Scael.Tn PCL-11 2720736Smckusicktime division multiplexed network bus. 2820736SmckusickThe controller itself is not accessible to users. 2947674Scael.Pp 3047674ScaelThe hosts's address is specified with the 3147674Scael.Dv SIOCSIFADDR 3247674Scael.Xr ioctl 2 . 3320736SmckusickThe interface will not transmit or receive any data before 3420736Smckusickits address is defined. 3547674Scael.Pp 3647674ScaelAs the 3747674Scael.Tn PCL-11 3847674Scaelhardware is only capable of having 15 interfaces per network, 3920736Smckusicka single-byte host-on-network number is used, with range [1..15] to match 4047674Scaelthe 4147674Scael.Tn TDM 4247674Scaelbus addresses of the interfaces. 4347674Scael.Pp 4420736SmckusickThe interface currently only supports the Internet protocol family 4547674Scaeland only provides 4647674Scael.Dq natural 4747674Scael(header) encapsulation. 4847674Scael.Sh DIAGNOSTICS 4947674Scael.Bl -diag 5047674Scael.It pcl%d: can't init. 5147674ScaelInsufficient 5247674Scael.Tn UNIBUS 5347674Scaelresources existed to initialize the device. 5420736SmckusickThis is likely to occur when the device is run on a buffered 5520736Smckusickdata path on an 11/750 and other network interfaces are also 5620736Smckusickconfigured to use buffered data paths, or when it is configured 5720736Smckusickto use buffered data paths on an 11/730 (which has none). 5847674Scael.Pp 5947674Scael.It pcl%d: can't handle af%d. 6020736SmckusickThe interface was handed a message with addresses formatted in an 6120736Smckusickunsuitable address family; the packet was dropped. 6247674Scael.Pp 6347674Scael.It pcl%d: stray xmit interrupt. 6428333SanneAn interrupt occurred when no output had previously been started. 6547674Scael.Pp 6647674Scael.It pcl%d: master. 6747674ScaelThe 6847674Scael.Tn TDM 6947674Scaelbus had no station providing ``bus master'' timing signals, 7020736Smckusickso this interface has assumed the ``master'' role. This message should 7147674Scaelonly appear at most once per 7247674Scael.Tn UNIBUS INIT 7347674Scaelon a single system. 7420736SmckusickUnless there is a hardware failure, only one station may be master at at time. 7547674Scael.Pp 7647674Scael.It pcl%d: send error, tcr=%b, tsr=%b. 7720736SmckusickThe device indicated a problem sending data on output. 7820736SmckusickIf a ``receiver offline'' error is detected, it is not normally logged 7947674Scaelunless the option 8047674Scael.Dv PCL_TESTING 8147674Scaelhas been selected, as this causes a lot 8220736Smckusickof console chatter when sending to a down machine. However, this option 8347674Scaelis quite useful when debugging problems with the 8447674Scael.Tn PCL 8547674Scaelinterfaces. 8647674Scael.Pp 8747674Scael.It pcl%d: rcv error, rcr=%b rsr=%b. 8820736SmckusickThe device indicated a problem receiving data on input. 8947674Scael.Pp 9047674Scael.It pcl%d: bad len=%d. 9120736SmckusickAn input operation resulted in a data transfer of less than 9220736Smckusick0 or more than 1008 bytes of 9320736Smckusickdata into memory (according to the word count register). 9447674ScaelThis should never happen as the maximum size of a 9547674Scael.Tn PCL 9647674Scaelmessage 9720736Smckusickhas been agreed upon to be 1008 bytes (same as ArpaNet message). 9847674Scael.El 9947674Scael.Sh SEE ALSO 10047674Scael.Xr intro 4 , 10147674Scael.Xr inet 4 10247674Scael.Sh HISTORY 10347674ScaelThe 10447674Scael.Nm 10547674Scaelinterface appeared in 10647674Scael.Bx 4.2 . 107