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30 .\" from: @(#)vv.4 8.1 (Berkeley) 6/5/93
37 .Nd Proteon proNET 10 Megabit ring network
39 .Cd "vv0 at uba0 csr 0161000 vector vvrint vvxint"
41 NOTE: This driver has not been ported from
47 interface provides access to a 10 Mb/s Proteon
51 The network address of the interface must be specified with an
54 before data can be transmitted or received.
55 It is only permissible to change the network address while the
59 The host's hardware address is discovered by putting the interface in
60 digital loopback mode (not joining the ring) and sending a broadcast
61 packet from which the hardware address is extracted.
63 Transmit timeouts are detected through use of a watchdog routine.
64 Lost input interrupts are checked for when packets are sent out.
66 If the installation is running
68 boards which use the old broadcast
71 instead of the new address of
75 should be specified in the driver.
79 encapsulation to minimize copying
80 data on input and output.
81 This may be disabled, on a per-interface basis,
90 The software announces the host
91 address discovered during autoconfiguration.
93 .It vv%d: can't initialize.
94 The software was unable to
95 discover the address of this interface, so it deemed
96 "dead" will not be enabled.
98 .It vv%d: error vvocsr=%b.
99 The hardware indicated an error on
100 the previous transmission.
102 .It vv%d: output timeout.
103 The token timer has fired and the
104 token will be recreated.
106 .It vv%d: error vvicsr=%b.
107 The hardware indicated an error
108 in reading a packet off the ring.
110 .It vv%d: can't handle af%d.
111 The interface was handed
112 a message with addresses formatted in an unsuitable address
113 family; the packet was dropped.
115 .It vv%d: vs_olen=%d.
116 The ring output routine has been
117 handed a message with a preposterous length. This results in
130 The encapsulation of trailer packets in the
132 version of this driver
133 was incorrect (the packet type was in
136 As a result, the trailer encapsulation in this version is not compatible