1 //==========================================================================
3 // include/net/ip_gif.h
5 //==========================================================================
6 //####BSDCOPYRIGHTBEGIN####
8 // -------------------------------------------
10 // Portions of this software may have been derived from OpenBSD,
11 // FreeBSD or other sources, and are covered by the appropriate
12 // copyright disclaimers included herein.
14 // Portions created by Red Hat are
15 // Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
17 // -------------------------------------------
19 //####BSDCOPYRIGHTEND####
20 //==========================================================================
22 /* $KAME: if_gif.h,v 1.28 2001/10/23 12:41:29 jinmei Exp $ */
25 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
26 * All rights reserved.
28 * Redistribution and use in source and binary forms, with or without
29 * modification, are permitted provided that the following conditions
31 * 1. Redistributions of source code must retain the above copyright
32 * notice, this list of conditions and the following disclaimer.
33 * 2. Redistributions in binary form must reproduce the above copyright
34 * notice, this list of conditions and the following disclaimer in the
35 * documentation and/or other materials provided with the distribution.
36 * 3. Neither the name of the project nor the names of its contributors
37 * may be used to endorse or promote products derived from this software
38 * without specific prior written permission.
40 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 #ifndef _NET_IF_GIF_H_
58 #define _NET_IF_GIF_H_
60 #include <netinet/in.h>
61 /* xxx sigh, why route have struct route instead of pointer? */
66 struct ifnet gif_if; /* common area - must be at the top */
67 struct sockaddr *gif_psrc; /* Physical src addr */
68 struct sockaddr *gif_pdst; /* Physical dst addr */
70 struct route gifscr_ro; /* xxx */
72 #if defined(NEW_STRUCT_ROUTE) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
73 struct route gifscr_ro6; /* xxx */
75 struct route_in6 gifscr_ro6; /* xxx */
79 const struct encaptab *encap_cookie4;
80 const struct encaptab *encap_cookie6;
81 #if defined(__FreeBSD__) && __FreeBSD__ >= 4
82 struct resource *r_unit; /* resource allocated for this unit */
84 LIST_ENTRY(gif_softc) gif_list; /* all gif's are linked */
86 time_t rtcache_expire; /* expiration time of the cached route */
89 #define gif_ro gifsc_gifscr.gifscr_ro
91 #define gif_ro6 gifsc_gifscr.gifscr_ro6
94 #define GIF_MTU (1280) /* Default MTU */
95 #define GIF_MTU_MIN (1280) /* Minimum MTU */
96 #define GIF_MTU_MAX (8192) /* Maximum MTU */
99 extern struct gif_softc *gif_softc;
102 void gifattach0 __P((struct gif_softc *));
104 void gif_input __P((struct mbuf *, int, struct ifnet *));
106 int gif_output __P((struct ifnet *, struct mbuf *,
107 struct sockaddr *, struct rtentry *));
108 #if defined(__FreeBSD__) && __FreeBSD__ < 3
109 int gif_ioctl __P((struct ifnet *, int, caddr_t));
111 int gif_ioctl __P((struct ifnet *, u_long, caddr_t));
113 int gif_set_tunnel __P((struct ifnet *, struct sockaddr *, struct sockaddr *));
114 void gif_delete_tunnel __P((struct ifnet *));
116 void gif_start __P((struct ifnet *));
118 int gif_encapcheck __P((const struct mbuf *, int, int, void *));
120 #endif /* _NET_IF_GIF_H_ */