60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/* $NetBSD: ip_ecn.h,v 1.12 2008/11/12 12:36:28 ad Exp $ */
|
|
/* $KAME: ip_ecn.h,v 1.6 2001/05/03 14:51:48 itojun Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 1999 WIDE Project.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
/*
|
|
* ECN consideration on tunnel ingress/egress operation.
|
|
* http://www.aciri.org/floyd/papers/draft-ipsec-ecn-00.txt
|
|
*/
|
|
|
|
#ifndef _NETINET_IP_ECN_H_
|
|
#define _NETINET_IP_ECN_H_
|
|
|
|
#if (defined(__FreeBSD__) && __FreeBSD__ >= 3) || defined(__NetBSD__)
|
|
#if defined(_KERNEL_OPT)
|
|
#include "opt_inet.h"
|
|
#endif
|
|
#endif
|
|
|
|
#define ECN_ALLOWED 1 /* ECN allowed */
|
|
#define ECN_FORBIDDEN 0 /* ECN forbidden */
|
|
#define ECN_NOCARE (-1) /* no consideration to ECN */
|
|
|
|
#if defined(KERNEL) || defined(_KERNEL)
|
|
extern void ip_ecn_ingress (int, u_int8_t *, const u_int8_t *);
|
|
extern void ip_ecn_egress (int, const u_int8_t *, u_int8_t *);
|
|
#ifdef INET6
|
|
extern void ip6_ecn_ingress (int, u_int32_t *, const u_int32_t *);
|
|
extern void ip6_ecn_egress (int, const u_int32_t *, u_int32_t *);
|
|
#endif
|
|
#endif
|
|
#endif /* !_NETINET_IP_ECN_H_ */
|