ip_ecn.h revision 1.3 1 1.3 thorpej /* $NetBSD: ip_ecn.h,v 1.3 1999/07/03 21:24:45 thorpej Exp $ */
2 1.3 thorpej
3 1.2 itojun /*
4 1.2 itojun * Copyright (C) 1999 WIDE Project.
5 1.2 itojun * All rights reserved.
6 1.2 itojun *
7 1.2 itojun * Redistribution and use in source and binary forms, with or without
8 1.2 itojun * modification, are permitted provided that the following conditions
9 1.2 itojun * are met:
10 1.2 itojun * 1. Redistributions of source code must retain the above copyright
11 1.2 itojun * notice, this list of conditions and the following disclaimer.
12 1.2 itojun * 2. Redistributions in binary form must reproduce the above copyright
13 1.2 itojun * notice, this list of conditions and the following disclaimer in the
14 1.2 itojun * documentation and/or other materials provided with the distribution.
15 1.2 itojun * 3. Neither the name of the project nor the names of its contributors
16 1.2 itojun * may be used to endorse or promote products derived from this software
17 1.2 itojun * without specific prior written permission.
18 1.2 itojun *
19 1.2 itojun * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 1.2 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 1.2 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 1.2 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 1.2 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 1.2 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 1.2 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 1.2 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 1.2 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 1.2 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 1.2 itojun * SUCH DAMAGE.
30 1.2 itojun *
31 1.3 thorpej * $Id: ip_ecn.h,v 1.3 1999/07/03 21:24:45 thorpej Exp $
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 1.2 itojun
38 1.2 itojun #define ECN_ALLOWED 1 /* ECN allowed */
39 1.2 itojun #define ECN_FORBIDDEN 0 /* ECN forbidden */
40 1.2 itojun #define ECN_NOCARE (-1) /* no consideration to ECN */
41 1.2 itojun
42 1.2 itojun #if defined(KERNEL) || defined(_KERNEL)
43 1.2 itojun extern void ip_ecn_ingress __P((int, u_int8_t *, u_int8_t *));
44 1.2 itojun extern void ip_ecn_egress __P((int, u_int8_t *, u_int8_t *));
45 1.2 itojun #ifdef INET6
46 1.2 itojun extern void ip6_ecn_ingress __P((int, u_int32_t *, u_int32_t *));
47 1.2 itojun extern void ip6_ecn_egress __P((int, u_int32_t *, u_int32_t *));
48 1.2 itojun #endif
49 1.2 itojun #endif
50