1 /* $FreeBSD: src/sys/net/if_gif.h,v 1.2.2.5 2002/11/08 16:23:08 ume Exp $ */
2 /* $KAME: if_gif.h,v 1.17 2000/09/11 11:36:41 sumikawa Exp $ */
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
37 #ifndef _NET_IF_GIF_H_
38 #define _NET_IF_GIF_H_
42 #include "opt_inet6.h"
45 #include <netinet/in.h>
46 /* xxx sigh, why route have struct route instead of pointer? */
51 struct ifnet gif_if; /* common area - must be at the top */
52 struct sockaddr *gif_psrc; /* Physical src addr */
53 struct sockaddr *gif_pdst; /* Physical dst addr */
54 struct route gif_ro[SMP_MAXCPU];
56 struct route_in6 gif_ro6[SMP_MAXCPU];
59 const struct encaptab *encap_cookie4;
60 const struct encaptab *encap_cookie6;
61 struct resource *r_unit; /* resource allocated for this unit */
62 LIST_ENTRY(gif_softc) gif_list; /* all gif's are linked */
65 #define GIF_MTU (1280) /* Default MTU */
66 #define GIF_MTU_MIN (1280) /* Minimum MTU */
67 #define GIF_MTU_MAX (8192) /* Maximum MTU */
70 void gifattach0 (struct gif_softc *);
71 void gif_input (struct mbuf *, int, struct ifnet *);
72 int gif_output (struct ifnet *, struct mbuf *,
73 struct sockaddr *, struct rtentry *);
74 int gif_ioctl (struct ifnet *, u_long, caddr_t, struct ucred *);
75 int gif_set_tunnel (struct ifnet *, struct sockaddr *, struct sockaddr *);
76 void gif_delete_tunnel (struct ifnet *);
77 int gif_encapcheck (const struct mbuf *, int, int, void *);
79 #endif /* _NET_IF_GIF_H_ */