1 | /* $NetBSD: if_gif.h,v 1.24 2016/06/24 04:38:12 knakahara Exp $ */ |
2 | /* $KAME: if_gif.h,v 1.23 2001/07/27 09:21:42 itojun 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 | #include <sys/queue.h> |
41 | |
42 | #ifdef _KERNEL_OPT |
43 | #include "opt_inet.h" |
44 | #endif |
45 | |
46 | #include <netinet/in.h> |
47 | /* xxx sigh, why route have struct route instead of pointer? */ |
48 | |
49 | struct encaptab; |
50 | |
51 | struct gif_softc { |
52 | struct ifnet gif_if; /* common area - must be at the top */ |
53 | struct sockaddr *gif_psrc; /* Physical src addr */ |
54 | struct sockaddr *gif_pdst; /* Physical dst addr */ |
55 | union { |
56 | struct route gifscr_ro; /* xxx */ |
57 | } gifsc_gifscr; |
58 | int gif_flags; |
59 | const struct encaptab *encap_cookie4; |
60 | const struct encaptab *encap_cookie6; |
61 | LIST_ENTRY(gif_softc) gif_list; /* list of all gifs */ |
62 | }; |
63 | #define GIF_ROUTE_TTL 10 |
64 | |
65 | #define gif_ro gifsc_gifscr.gifscr_ro |
66 | |
67 | #define GIF_MTU (1280) /* Default MTU */ |
68 | #define GIF_MTU_MIN (1280) /* Minimum MTU */ |
69 | #define GIF_MTU_MAX (8192) /* Maximum MTU */ |
70 | |
71 | /* Prototypes */ |
72 | void gif_input(struct mbuf *, int, struct ifnet *); |
73 | |
74 | #ifdef GIF_ENCAPCHECK |
75 | int gif_encapcheck(struct mbuf *, int, int, void *); |
76 | #endif |
77 | |
78 | /* |
79 | * Locking notes: |
80 | * - All members of struct si_sync are protected by si_lock (an adaptive mutex) |
81 | */ |
82 | #endif /* !_NET_IF_GIF_H_ */ |
83 | |