1 /* $OpenBSD: if_gif.h,v 1.9 2003/12/03 14:51:05 markus Exp $ */
2 /* $KAME: if_gif.h,v 1.17 2000/09/11 11:36:41 sumikawa Exp $ */
3
4 /*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 /*
34 * if_gif.h
35 */
36
37 #ifndef _NET_IF_GIF_H_
38 #define _NET_IF_GIF_H_
39
40
41 #include <netinet/in.h>
42 /* XXX sigh, why route have struct route instead of pointer? */
43
44 struct gif_softc {
45 struct ifnet gif_if; /* common area */
46 struct sockaddr *gif_psrc; /* Physical src addr */
47 struct sockaddr *gif_pdst; /* Physical dst addr */
48 union {
49 struct route gifscr_ro; /* xxx */
50 #ifdef INET6
51 struct route_in6 gifscr_ro6; /* xxx */
52 #endif
53 } gifsc_gifscr;
54 int gif_flags;
55 LIST_ENTRY(gif_softc) gif_list; /* list of all gifs */
56 };
57
58 #define gif_ro gifsc_gifscr.gifscr_ro
59 #ifdef INET6
60 #define gif_ro6 gifsc_gifscr.gifscr_ro6
61 #endif
62
63 #define GIF_MTU (1280) /* Default MTU */
64 #define GIF_MTU_MIN (1280) /* Minimum MTU */
65 #define GIF_MTU_MAX (8192) /* Maximum MTU */
66
67 extern LIST_HEAD(gif_softc_head, gif_softc) gif_softc_list;
68
69 /* Prototypes */
70 int gif_output(struct ifnet *, struct mbuf *,
71 struct sockaddr *, struct rtentry *);
72 int gif_ioctl(struct ifnet *, u_long, caddr_t);
73 void gif_start(struct ifnet *);
74 #endif /* _NET_IF_GIF_H_ */