ip_ecn.h revision 1.11.70.1 1 1.11.70.1 mjf /* $NetBSD: ip_ecn.h,v 1.11.70.1 2009/01/17 13:29:32 mjf Exp $ */
2 1.8 itojun /* $KAME: ip_ecn.h,v 1.6 2001/05/03 14:51:48 itojun Exp $ */
3 1.3 thorpej
4 1.2 itojun /*
5 1.2 itojun * Copyright (C) 1999 WIDE Project.
6 1.2 itojun * All rights reserved.
7 1.9 itojun *
8 1.2 itojun * Redistribution and use in source and binary forms, with or without
9 1.2 itojun * modification, are permitted provided that the following conditions
10 1.2 itojun * are met:
11 1.2 itojun * 1. Redistributions of source code must retain the above copyright
12 1.2 itojun * notice, this list of conditions and the following disclaimer.
13 1.2 itojun * 2. Redistributions in binary form must reproduce the above copyright
14 1.2 itojun * notice, this list of conditions and the following disclaimer in the
15 1.2 itojun * documentation and/or other materials provided with the distribution.
16 1.2 itojun * 3. Neither the name of the project nor the names of its contributors
17 1.2 itojun * may be used to endorse or promote products derived from this software
18 1.2 itojun * without specific prior written permission.
19 1.9 itojun *
20 1.2 itojun * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 1.2 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 1.2 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 1.2 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 1.2 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 1.2 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 1.2 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 1.2 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 1.2 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 1.2 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 1.2 itojun * SUCH DAMAGE.
31 1.2 itojun *
32 1.2 itojun */
33 1.2 itojun /*
34 1.2 itojun * ECN consideration on tunnel ingress/egress operation.
35 1.2 itojun * http://www.aciri.org/floyd/papers/draft-ipsec-ecn-00.txt
36 1.2 itojun */
37 1.5 thorpej
38 1.9 itojun #ifndef _NETINET_IP_ECN_H_
39 1.9 itojun #define _NETINET_IP_ECN_H_
40 1.9 itojun
41 1.6 itojun #if (defined(__FreeBSD__) && __FreeBSD__ >= 3) || defined(__NetBSD__)
42 1.11.70.1 mjf #if defined(_KERNEL_OPT)
43 1.5 thorpej #include "opt_inet.h"
44 1.6 itojun #endif
45 1.6 itojun #endif
46 1.2 itojun
47 1.2 itojun #define ECN_ALLOWED 1 /* ECN allowed */
48 1.2 itojun #define ECN_FORBIDDEN 0 /* ECN forbidden */
49 1.2 itojun #define ECN_NOCARE (-1) /* no consideration to ECN */
50 1.2 itojun
51 1.2 itojun #if defined(KERNEL) || defined(_KERNEL)
52 1.10 matt extern void ip_ecn_ingress (int, u_int8_t *, const u_int8_t *);
53 1.10 matt extern void ip_ecn_egress (int, const u_int8_t *, u_int8_t *);
54 1.2 itojun #ifdef INET6
55 1.10 matt extern void ip6_ecn_ingress (int, u_int32_t *, const u_int32_t *);
56 1.10 matt extern void ip6_ecn_egress (int, const u_int32_t *, u_int32_t *);
57 1.9 itojun #endif
58 1.2 itojun #endif
59 1.11 elad #endif /* !_NETINET_IP_ECN_H_ */
60