1 /* $OpenBSD: ip_gre.h,v 1.7 2005/12/23 13:01:23 claudio Exp $ */
2 /* $NetBSD: ip_gre.h,v 1.3 1998/10/07 23:33:02 thorpej Exp $ */
3
4 /*
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Heiko W.Rupp <hwr@pilhuhn.de>
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #ifndef _NETINET_IP_GRE_H_
41 #define _NETINET_IP_GRE_H_
42
43 /* Protocol number for Cisco's WCCP
44 * The Internet Draft is:
45 * draft-forster-wrec-wccp-v1-00.txt
46 */
47 #define GREPROTO_WCCP 0x883e
48
49 /*
50 * Names for GRE sysctl objects
51 */
52 #define GRECTL_ALLOW 1 /* accept incoming GRE packets */
53 #define GRECTL_WCCP 2 /* accept WCCPv1-style GRE packets */
54 #define GRECTL_MAXID 3
55
56 #define GRECTL_NAMES { \
57 { 0, 0 }, \
58 { "allow", CTLTYPE_INT }, \
59 { "wccp", CTLTYPE_INT }, \
60 }
61
62 /*
63 * Names for MobileIP sysctl objects
64 */
65 #define MOBILEIPCTL_ALLOW 1 /* accept incoming MobileIP packets */
66 #define MOBILEIPCTL_MAXID 2
67
68 #define MOBILEIPCTL_NAMES { \
69 { 0, 0 }, \
70 { "allow", CTLTYPE_INT }, \
71 }
72
73 #ifdef _KERNEL
74 void gre_input(struct mbuf *, ...);
75 void gre_mobile_input(struct mbuf *, ...);
76
77 int ipmobile_sysctl(int *, u_int, void *, size_t *, void *, size_t);
78 int gre_sysctl(int *, u_int, void *, size_t *, void *, size_t);
79
80 #endif /* _KERNEL */
81 #endif /* _NETINET_IP_GRE_H_ */