1 .\" Copyright (c) 1996-1999 Whistle Communications, Inc.
2 .\" All rights reserved.
4 .\" Subject to the following obligations and disclaimer of warranty, use and
5 .\" redistribution of this software, in source or object code forms, with or
6 .\" without modifications are expressly permitted by Whistle Communications;
7 .\" provided, however, that:
8 .\" 1. Any and all reproductions of the source or object code must include the
9 .\" copyright notice above and the following disclaimer of warranties; and
10 .\" 2. No rights are granted, in any manner or form, to use Whistle
11 .\" Communications, Inc. trademarks, including the mark "WHISTLE
12 .\" COMMUNICATIONS" on advertising, endorsements, or otherwise except as
13 .\" such appears in the above copyright notice or in the software.
15 .\" THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
16 .\" TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
17 .\" REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
18 .\" INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
19 .\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
20 .\" WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
21 .\" REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
22 .\" SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
23 .\" IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
24 .\" RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
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33 .\" Author: Archie Cobbs <archie@FreeBSD.org>
36 .\" $Whistle: ng_UI.8,v 1.4 1999/01/25 02:37:56 archie Exp $
43 .Nd UI netgraph node type
45 .Fd #include <netgraph/ng_UI.h>
49 node type has two hooks,
55 must have 0x03 (indicating unnumbered information) as their first byte;
56 if not the packet is dropped. This byte is then stripped and the
57 remainder of the packet sent out on
60 Conversely, packets received on
62 will have a 0x03 byte prepended to them before being forwarded out on the
66 This node type supports the following hooks:
68 .Bl -tag -width foobar
70 Downstream connection. Packets on this side of the node have a 0x03 as
73 Upstream connection. Packets on this side of the node have the
74 initial 0x03 byte stripped off.
77 This node type supports only the generic control messages.
79 This node shuts down upon receipt of a
81 control message, or when both hooks have been disconnected.
88 node type was implemented in
91 .An Julian Elischer Aq julian@FreeBSD.org