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

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: .\"    @(#)ix.4        6.2 (Berkeley) 5/16/86
        !             6: .\"
        !             7: .TH IX 4 "May 16, 1986"
        !             8: .UC 5
        !             9: .SH NAME
        !            10: ix \- Interlan Np100 10 Mb/s Ethernet interface
        !            11: .SH SYNOPSIS
        !            12: .B "device np0 at uba0 csr 166000 vector npintr"
        !            13: .SH DESCRIPTION
        !            14: The
        !            15: .I ix
        !            16: interface provides access to a 10 Mb/s Ethernet network through
        !            17: an Interlan Np100 controller used as a link-layer interface.
        !            18: .PP
        !            19: This interface is unusual in that it requires loading firmware
        !            20: into the controller before it may be used as a network interface.
        !            21: This is accomplished by opening a character special device,
        !            22: and writing data to it.
        !            23: A program to load the image is provided in /usr/src/new/np100.
        !            24: The sequence of commands would be:
        !            25: .nf
        !            26: 
        !            27:        # ./npload np.image [/dev/np<board #> if other than np00]
        !            28:        # sleep 10
        !            29:        # ifconfig ix0 ...
        !            30: .fi
        !            31: .PP
        !            32: Each of the host's network addresses
        !            33: is specified at boot time with an SIOCSIFADDR
        !            34: ioctl.  The
        !            35: .I ix
        !            36: interface employs the address resolution protocol described in
        !            37: .IR arp (4P)
        !            38: to dynamically map between Internet and Ethernet addresses on the local
        !            39: network.
        !            40: .PP
        !            41: The interface normally tries to use a ``trailer'' encapsulation
        !            42: to minimize copying data on input and output.
        !            43: The use of trailers is negotiated with ARP.
        !            44: This negotiation may be disabled, on a per-interface basis,
        !            45: by setting the IFF_NOTRAILERS
        !            46: flag with an SIOCSIFFLAGS ioctl.
        !            47: .SH DIAGNOSTICS
        !            48: \fBix%d: Req failed, cmd %x, stat %x, ust error %x,%x\fP.
        !            49: The firmware in the controller refused to honor a request from
        !            50: .UX
        !            51: in initializing packet level communications.
        !            52: The board may need to be reset and reloaded.
        !            53: Or, you may not have allowed enough time between loading the board
        !            54: and issuing the request to begin unix network operation.
        !            55: .PP
        !            56: \fBix%d: can't initialize\fP.
        !            57: The interface was unable to obtain unibus resources required for operation.
        !            58: .PP
        !            59: \fBix%d: failed to reinitialize DLA module\fP.
        !            60: The interface got sick after attempting to reprogram its physical
        !            61: ethernet address.  Try reloading the firmware.
        !            62: The attempt is made only when this interfaces is not the first
        !            63: one configured for XNS.
        !            64: .PP
        !            65: \fBix%d: can't handle af%d\fP.  The interface was handed
        !            66: a message with addresses formatted in an unsuitable address
        !            67: family; the packet was dropped.
        !            68: .PP
        !            69: \fBix%d: stray xmit interrupt, npreq=%x\fP.
        !            70: This may happen if the board is reloaded while network processes are still
        !            71: running.
        !            72: .PP
        !            73: \fBixrint: cqe error %x, %x, %x\fP.
        !            74: This will result if an 
        !            75: .IR ifconfig (8c)
        !            76: request is made at an inopportune time, such as not allowing
        !            77: enough time after loading the firmware.
        !            78: After 100 such errors are logged, the unix network driver will
        !            79: shut itself down, saying:
        !            80: .PP
        !            81: \fBixrint: shutting down unix dla\fP.
        !            82: The recourse is to reload the firmware and allow more time.
        !            83: .SH SEE ALSO
        !            84: intro(4N), inet(4F), arp(4P), np(4).

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