| 1 | /* $NetBSD: in6_gif.h,v 1.18 2019/10/30 03:45:59 knakahara Exp $ */ |
| 2 | /* $KAME: in6_gif.h,v 1.7 2001/07/26 06:53:16 jinmei 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 | #ifndef _NETINET6_IN6_GIF_H_ |
| 34 | #define _NETINET6_IN6_GIF_H_ |
| 35 | |
| 36 | #define GIF_HLIM 30 |
| 37 | extern int ip6_gif_hlim; /* Hop limit for gif encap packet */ |
| 38 | extern int ip6_gif_pmtu; /* Default Path MTU setting for gif tunnels */ |
| 39 | |
| 40 | #define GIF_PMTU_SYSDEFAULT -1 /* Use system default value (ip6_gif_pmtu) */ |
| 41 | #define GIF_PMTU_MINMTU 0 /* Fragmented by IPV6_MINMTU */ |
| 42 | #define GIF_PMTU_OUTERMTU 1 /* Fragmented by Path MTU of outer path */ |
| 43 | |
| 44 | struct gif_variant; |
| 45 | struct sockaddr; |
| 46 | int in6_gif_input(struct mbuf **, int *, int, void *); |
| 47 | #ifdef GIF_ENCAPCHECK |
| 48 | int gif_encapcheck6(struct mbuf *, int, int, struct gif_variant *); |
| 49 | #endif |
| 50 | int in6_gif_attach(struct gif_variant *); |
| 51 | int in6_gif_detach(struct gif_variant *); |
| 52 | void *in6_gif_ctlinput(int, const struct sockaddr *, void *, void *); |
| 53 | |
| 54 | #endif /* !_NETINET6_IN6_GIF_H_ */ |