162986Sbostic.\" Copyright (c) 1990, 1991, 1993 262986Sbostic.\" The Regents of the University of California. All rights reserved. 344679Sbostic.\" 444679Sbostic.\" This code is derived from software contributed to Berkeley by 544679Sbostic.\" the Systems Programming Group of the University of Utah Computer 644679Sbostic.\" Science Department. 744679Sbostic.\" 844679Sbostic.\" %sccs.include.redist.man% 944679Sbostic.\" 10*64996Smckusick.\" @(#)le.4 8.2 (Berkeley) 11/30/93 1144679Sbostic.\" 1247672Scael.Dd 1347672Scael.Dt LE 4 hp300 1447672Scael.Os 1547672Scael.Sh NAME 1647672Scael.Nm le 1747672Scael.Nd 1847672Scael.Tn HP AMD 1947672Scael7990 2047672Scael.Tn LANCE 2147672ScaelEthernet interface 2247672Scael.Sh SYNOPSIS 2347672Scael.Cd "device le0 at scode?" 2447672Scael.Sh DESCRIPTION 2544679SbosticThe 2647672Scael.Nm le 2744679Sbosticinterface provides access to a 10 Mb/s Ethernet network via the 2847672Scael.Tn AMD 2947672Scael7990 3047672Scael.Tn LANCE 3147672ScaelEthernet chip set. 3247672Scael.Pp 3344679SbosticEach of the host's network addresses 3447672Scaelis specified at boot time with an 3547672Scael.Dv SIOCSIFADDR 3647672Scael.Xr ioctl . 3747672ScaelThe 3847672Scael.Xr le 3944679Sbosticinterface employs the address resolution protocol described in 4047672Scael.Xr arp 4 4144679Sbosticto dynamically map between Internet and Ethernet addresses on the local 4244679Sbosticnetwork. 4347672Scael.Pp 4444679SbosticThe use of ``trailer'' encapsulation to minimize copying data on 4544679Sbosticinput and output is supported by the interface but offers no advantage 4647672Scaeldue to the large 4747672Scael.Tn HP 4847672Scaelpage size. 4947672ScaelThe use of trailers is negotiated with 5047672Scael.Tn ARP . 5144679SbosticThis negotiation may be disabled, on a per-interface basis, 5247672Scaelby setting the 5347672Scael.Dv IFF_NOTRAILERS 5447672Scaelflag with an 5547672Scael.Dv SIOCSIFFLAGS 5647672Scael.Xr ioctl . 5747672Scael.Sh DIAGNOSTICS 5847672Scael.Bl -diag 5947672Scael.It le%d: hardware address %s. 6044679SbosticThis is a normal autoconfiguration message noting the 6 byte physical 6144679Sbosticethernet address of the adapter. 6247672Scael.Pp 6347672Scael.It de%d: can't handle af%d. 6447672ScaelThe interface was handed 6544679Sbostica message with addresses formatted in an unsuitable address 6644679Sbosticfamily; the packet was dropped. 6747672Scael.Pp 68*64996SmckusickThe following message indicates a possible hardware error performing 6944679Sbosticthe indicated operation during autoconfiguration or initialization. 7047672Scael.Pp 7147672Scael.It le%d: init timeout, stat = 0x%x. 7244679SbosticThe hardware did not respond to an initialize command during reset. 7344679SbosticThe reset procedure continues anyway. 7447672Scael.El 7547672Scael.Sh SEE ALSO 7647672Scael.Xr intro 4 , 7747672Scael.Xr inet 4 , 7847672Scael.Xr arp 4 79