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1.1 ! root 1: .\" Copyright (c) 1986 Regents of the University of California. ! 2: .\" All rights reserved. The Berkeley software License Agreement ! 3: .\" specifies the terms and conditions for redistribution. ! 4: .\" ! 5: .\" @(#)de.4 6.2 (Berkeley) 5/16/86 ! 6: .\" ! 7: .TH DE 4 "May 16, 1986" ! 8: .UC 5 ! 9: .SH NAME ! 10: de \- DEC DEUNA 10 Mb/s Ethernet interface ! 11: .SH SYNOPSIS ! 12: .B "device de0 at uba0 csr 174510 vector deintr" ! 13: .SH DESCRIPTION ! 14: The ! 15: .I de ! 16: interface provides access to a 10 Mb/s Ethernet network through ! 17: a Digital Equipment UNIBUS Network Adapter (DEUNA). ! 18: .PP ! 19: Each of the host's network addresses ! 20: is specified at boot time with an SIOCSIFADDR ! 21: ioctl. The ! 22: .I de ! 23: interface employs the address resolution protocol described in ! 24: .IR arp (4P) ! 25: to dynamically map between Internet and Ethernet addresses on the local ! 26: network. ! 27: .PP ! 28: The interface normally tries to use a ``trailer'' encapsulation ! 29: to minimize copying data on input and output. ! 30: The use of trailers is negotiated with ARP. ! 31: This negotiation may be disabled, on a per-interface basis, ! 32: by setting the IFF_NOTRAILERS ! 33: flag with an SIOCSIFFLAGS ioctl. ! 34: .SH DIAGNOSTICS ! 35: \fBde%d: hardware address %s\fP. ! 36: This is a normal autoconfiguration message noting the 6 byte physical ! 37: ethernet address of the adapter. ! 38: .PP ! 39: \fBde%d: oerror, flags=%b tdrerr=%b (len=%d)\fP. ! 40: The hardware indicated an error ! 41: in transmitting a packet to the cable. ! 42: The status and error flags are reported. ! 43: .PP ! 44: \fBde%d: ierror, flags=%b lenerr=%b (len=%d)\fP. ! 45: The hardware indicated an error ! 46: in reading a packet from the cable. ! 47: The status and error flags are reported. ! 48: .PP ! 49: \fBde%d: can't handle af%d\fP. The interface was handed ! 50: a message with addresses formatted in an unsuitable address ! 51: family; the packet was dropped. ! 52: .PP ! 53: \fBde%d: buffer unavailable\fP. The interface received more packets ! 54: than it had buffers allocated to receive them. ! 55: .PP ! 56: \fBde%d: address change failed, csr0=%b csr1=%b\fP. ! 57: The interface was unable to reprogram ! 58: its physical ethernet address. ! 59: This may happen with very early models of the interface. ! 60: This facility is used only when ! 61: the controller is not the first network interface configured for XNS. ! 62: .PP ! 63: The following messages indicate a probable hardware error performing ! 64: the indicated operation during autoconfiguration or initialization. ! 65: The two control and status registers ! 66: should indicate the nature of the failure. ! 67: See the hardware manual for details. ! 68: .PP ! 69: \fBde%d: reset failed, csr0=%b csr1=%b\fP. ! 70: .PP ! 71: \fBde%d: ppcb failed, csr0=%b csr1=%b\fP. ! 72: .PP ! 73: \fBde%d: read addr failed, csr0=%b csr1=%b\fP. ! 74: .PP ! 75: \fBde%d: wtring failed, csr0=%b csr1=%b\fP. ! 76: .PP ! 77: \fBde%d: wtmode failed, csr0=%b csr1=%b\fP. ! 78: .SH SEE ALSO ! 79: intro(4N), inet(4F), arp(4P)
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