de man page on OpenBSD

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DE(4)		       OpenBSD Programmer's Manual (VAX)		 DE(4)

NAME
     de - DEC DEUNA/DELUA Ethernet device

SYNOPSIS
     de0 at uba? csr 0174510

DESCRIPTION
     The de interface provides access to a 10 Mb/s Ethernet network through a
     Digital Equipment UNIBUS Network Adapter (DEUNA).

     The interface normally tries to use a ``trailer'' encapsulation to
     minimize copying data on input and output.	 The use of trailers is
     negotiated with ARP.  This negotiation may be disabled, on a per-
     interface basis, by setting the IFF_NOTRAILERS flag with an SIOCSIFFLAGS
     ioctl(2).

DIAGNOSTICS
     de%d: hardware address %s.	 This is a normal autoconfiguration message
     noting the 6 byte physical Ethernet address of the adapter.

     de%d: oerror, flags=%b tdrerr=%b.	The hardware indicated an error in
     transmitting a packet to the cable.  The status and error flags are
     reported.

     de%d: ierror, flags=%b lenerr=%b (len=%d).	 The hardware indicated an
     error in reading a packet from the cable.	The status and error flags are
     reported.

     de%d: buffer unavailable.	The interface received more packets than it
     had buffers allocated to receive them.

     The following messages indicate a probable hardware error performing the
     indicated operation during autoconfiguration or initialization.  The two
     control and status registers should indicate the nature of the failure.
     See the hardware manual for details.

     de%d: reset failed, csr0=%b csr1=%b.
     de%d: ppcb failed, csr0=%b csr1=%b.
     de%d: read addr failed, csr0=%b csr1=%b.
     de%d: wtring failed, csr0=%b csr1=%b.
     de%d: wtmode failed, csr0=%b csr1=%b.

SEE ALSO
     arp(4), inet(4), intro(4), netintro(4), uba(4), hostname.if(5),
     ifconfig(8)

HISTORY
     The de driver appeared in 4.3BSD.

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9
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