xref: /openbsd/sys/netinet/ip_gre.h (revision a6445c1d)
1 /*      $OpenBSD: ip_gre.h,v 1.9 2010/01/12 23:33:24 yasuoka 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  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef _NETINET_IP_GRE_H_
34 #define _NETINET_IP_GRE_H_
35 
36 /* Protocol number for Cisco's WCCP
37  * The Internet Draft is:
38  *   draft-forster-wrec-wccp-v1-00.txt
39  */
40 #define GREPROTO_WCCP	0x883e
41 
42 /*
43  * Names for GRE sysctl objects
44  */
45 #define GRECTL_ALLOW    1		/* accept incoming GRE packets */
46 #define GRECTL_WCCP     2		/* accept WCCPv1-style GRE packets */
47 #define GRECTL_MAXID    3
48 
49 #define GRECTL_NAMES { \
50         { 0, 0 }, \
51         { "allow", CTLTYPE_INT }, \
52         { "wccp", CTLTYPE_INT }, \
53 }
54 
55 /*
56  * Names for MobileIP sysctl objects
57  */
58 #define MOBILEIPCTL_ALLOW    1		/* accept incoming MobileIP packets */
59 #define MOBILEIPCTL_MAXID    2
60 
61 #define MOBILEIPCTL_NAMES { \
62         { 0, 0 }, \
63         { "allow", CTLTYPE_INT }, \
64 }
65 
66 #ifdef _KERNEL
67 void gre_input(struct mbuf *, ...);
68 void gre_mobile_input(struct mbuf *, ...);
69 
70 int     ipmobile_sysctl(int *, u_int, void *, size_t *, void *, size_t);
71 int     gre_sysctl(int *, u_int, void *, size_t *, void *, size_t);
72 int     gre_usrreq(struct socket *, int, struct mbuf *, struct mbuf *, struct mbuf *, struct proc *);
73 
74 #endif /* _KERNEL */
75 #endif /* _NETINET_IP_GRE_H_ */
76