1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)il.4 8.1 (Berkeley) 06/05/93 7.\" 8.Dd 9.Dt IL 4 vax 10.Os BSD 4.2 11.Sh NAME 12.Nm il 13.Nd Interlan NI1010 10 Mb/s Ethernet interface 14.Sh SYNOPSIS 15.Cd "device il0 at uba0 csr 164000 vector ilrint ilcint" 16.Sh DESCRIPTION 17The 18.Nm il 19interface provides access to a 10 Mb/s Ethernet network through 20an Interlan 1010 or 1010A controller. 21.Pp 22Each of the host's network addresses 23is specified at boot time with an 24.Dv SIOCSIFADDR 25.Xr ioctl 2 . 26The 27.Nm il 28interface employs the address resolution protocol described in 29.Xr arp 4 30to dynamically map between Internet and Ethernet addresses on the local 31network. 32.Pp 33The interface normally tries to use a ``trailer'' encapsulation 34to minimize copying data on input and output. 35The use of trailers is negotiated with 36.Tn ARP . 37This negotiation may be disabled, on a per-interface basis, 38by setting the 39.Dv IFF_NOTRAILERS 40flag with an 41.Dv SIOCSIFFLAGS 42.Xr ioctl . 43.Sh DIAGNOSTICS 44.Bl -diag 45.It il%d: input error. 46The hardware indicated an error 47in reading a packet off the cable or an illegally sized packet. 48.Pp 49.It il%d: can't handle af%d. 50The interface was handed 51a message with addresses formatted in an unsuitable address 52family; the packet was dropped. 53.Pp 54.It il%d: setaddr didn't work. 55The interface was unable to reprogram 56its physical ethernet address. 57This may happen with very early models of the interface. 58This facility is used only when 59the controller is not the first network interface configured for 60.Tn XNS . 61The oldest interface tested (2.7.1.0.1.45) has never failed in this way. 62.Pp 63.It il%d: reset failed, csr=%b. 64.It il%d: status failed, csr=%b. 65.It il%d: hardware diag failed, csr=%b. 66.It il%d: verifying setaddr, csr=%b. 67.It il%d: stray xmit interrupt, csr=%b. 68.It il%d: can't initialize. 69The above messages indicate a probable hardware error performing 70the indicated operation during autoconfiguration or initialization. 71The status field in the control and status register (the low-order four bits) 72should indicate the nature of the failure. 73See the hardware manual for details. 74.El 75.Sh SEE ALSO 76.Xr netintro 4 , 77.Xr inet 4 , 78.Xr arp 4 79.Sh HISTORY 80The 81.Nm 82interface appeared in 83.Bx 4.2 . 84