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Annotation of 43BSDTahoe/man/man4/vax/vv.4, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 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: .\"    @(#)vv.4        6.2 (Berkeley) 5/16/86
        !             6: .\"
        !             7: .TH VV 4 "May 16, 1986"
        !             8: .UC 5
        !             9: .SH NAME
        !            10: vv \- Proteon proNET 10 Megabit ring
        !            11: .SH SYNOPSIS
        !            12: .B "device vv0 at uba0 csr 0161000 vector vvrint vvxint"
        !            13: .SH DESCRIPTION
        !            14: The
        !            15: .I vv
        !            16: interface provides access to a 10 Mb/s Proteon proNET ring network.
        !            17: .PP
        !            18: The network address of the interface must be specified with an
        !            19: an SIOCSIFADDR ioctl before data can be transmitted or received.
        !            20: It is only permissible to change the network address while the
        !            21: interface is marked "down".
        !            22: .PP
        !            23: The host's hardware address is discovered by putting the interface in
        !            24: digital loopback mode (not joining the ring) and sending a broadcast
        !            25: packet from which the hardware address is extracted.
        !            26: .PP
        !            27: Transmit timeouts are detected through use of a watchdog routine.
        !            28: Lost input interrupts are checked for when packets are sent out.
        !            29: .PP
        !            30: If the installation is running CTL boards which use the old broadcast
        !            31: address of 0 instead of the new address of 0xff, the define OLD_BROADCAST
        !            32: should be specified in the driver.
        !            33: .PP
        !            34: The driver can use ``trailer'' encapsulation to minimize copying
        !            35: data on input and output.
        !            36: This may be disabled, on a per-interface basis,
        !            37: by setting the IFF_NOTRAILERS flag with an SIOCSIFFLAGS ioctl.
        !            38: .SH DIAGNOSTICS
        !            39: .PP
        !            40: \fBvv%d: host %d\fP.  The software announces the host
        !            41: address discovered during autoconfiguration.
        !            42: .PP
        !            43: \fBvv%d: can't initialize\fP. The software was unable to
        !            44: discover the address of this interface, so it deemed
        !            45: "dead" will not be enabled.
        !            46: .PP
        !            47: \fBvv%d: error vvocsr=%b\fP.  The hardware indicated an error on
        !            48: the previous transmission.
        !            49: .PP
        !            50: \fBvv%d: output timeout\fP.  The token timer has fired and the
        !            51: token will be recreated.
        !            52: .PP
        !            53: \fBvv%d: error vvicsr=%b\fP.  The hardware indicated an error
        !            54: in reading a packet off the ring.
        !            55: .PP
        !            56: \fBen%d: can't handle af%d\fP.  The interface was handed
        !            57: a message with addresses formatted in an unsuitable address
        !            58: family; the packet was dropped.
        !            59: .PP
        !            60: \fBvv%d: vs_olen=%d\fP.  The ring output routine has been
        !            61: handed a message with a preposterous length.  This results in
        !            62: an immediate 
        !            63: .IR "panic: vs_olen" .
        !            64: .SH SEE ALSO
        !            65: intro(4N), inet(4F)
        !            66: .SH BUGS
        !            67: The encapsulation of trailer packets in the 4.2BSD version of this driver
        !            68: was incorrect (the packet type was in VAX byte order).
        !            69: As a result, the trailer encapsulation in this version is not compatible
        !            70: with the 4.2BSD VAX version.

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