1 .\" Copyright (c) 2002 Mark Santcroos <marks@ripe.net>
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32 .Nd device netgraph node type
34 .In netgraph/ng_device.h
38 node is both a netgraph node and a system device interface.
41 node is created, a new device entry appears which is accessible via the
42 regular file operators such as
49 The first node is created as
52 .Pa /dev/ngd1 , /dev/ngd2 ,
57 node has a single hook with an arbitrary name.
58 All data coming in over the hook will be presented to the device
61 All data coming in from the device entry by
63 will be forwarded to the hook.
67 node supports one non-generic control message:
69 .It Dv NGM_DEVICE_GET_DEVNAME
70 Returns device name corresponding to a node.
72 .\" Additionally, the node accepts
74 .\" from the device entry.
75 .\" These will be encapsulated into
77 .\" messages and send out to the hook.
79 This node shuts down upon receipt of a
81 control message, or upon hook disconnection.
82 The associated device entry is removed and becomes available
92 node type was first implemented in
96 .An Mark Santcroos Aq marks@ripe.net ,
97 .An Gleb Smirnoff Aq glebius@FreeBSD.org