ng_pptpgre.h revision 54331 
1
2/*
3 * ng_pptpgre.h
4 *
5 * Copyright (c) 1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and
9 * redistribution of this software, in source or object code forms, with or
10 * without modifications are expressly permitted by Whistle Communications;
11 * provided, however, that:
12 * 1. Any and all reproductions of the source or object code must include the
13 *    copyright notice above and the following disclaimer of warranties; and
14 * 2. No rights are granted, in any manner or form, to use Whistle
15 *    Communications, Inc. trademarks, including the mark "WHISTLE
16 *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
17 *    such appears in the above copyright notice or in the software.
18 *
19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * Author: Archie Cobbs <archie@whistle.com>
38 *
39 * $FreeBSD: head/sys/netgraph/ng_pptpgre.h 54331 1999-12-08 18:55:39Z archie $
40 * $Whistle: ng_pptpgre.h,v 1.3 1999/12/08 00:11:36 archie Exp $
41 */
42
43#ifndef _NETGRAPH_PPTPGRE_H_
44#define _NETGRAPH_PPTPGRE_H_
45
46/* Node type name and magic cookie */
47#define NG_PPTPGRE_NODE_TYPE	"pptpgre"
48#define NGM_PPTPGRE_COOKIE	942783546
49
50/* Hook names */
51#define NG_PPTPGRE_HOOK_UPPER	"upper"		/* to upper layers */
52#define NG_PPTPGRE_HOOK_LOWER	"lower"		/* to lower layers */
53
54/* Configuration for a session */
55struct ng_pptpgre_conf {
56	u_char		enabled;	/* enables traffic flow */
57	u_char		enableDelayedAck;/* enables delayed acks */
58	u_int16_t	cid;		/* my call id */
59	u_int16_t	peerCid;	/* peer call id */
60	u_int16_t	recvWin;	/* peer recv window size */
61	u_int16_t	peerPpd;	/* peer packet processing delay
62					   (in units of 1/10 of a second) */
63};
64
65/* Keep this in sync with the above structure definition */
66#define NG_PPTPGRE_CONF_TYPE_INFO	{			\
67	{							\
68	  { "enabled",		&ng_parse_int8_type	},	\
69	  { "enableDelayedAck",	&ng_parse_int8_type	},	\
70	  { "cid",		&ng_parse_int16_type	},	\
71	  { "peerCid",		&ng_parse_int16_type	},	\
72	  { "recvWin",		&ng_parse_int16_type	},	\
73	  { "peerPpd",		&ng_parse_int16_type	},	\
74	  { NULL },						\
75	}							\
76}
77
78/* Netgraph commands */
79enum {
80	NGM_PPTPGRE_SET_CONFIG = 1,	/* supply a struct ng_pptpgre_conf */
81	NGM_PPTPGRE_GET_CONFIG,		/* returns a struct ng_pptpgre_conf */
82};
83
84#endif /* _NETGRAPH_PPTPGRE_H_ */
85