| /* $FreeBSD$ */ |
| /* $KAME: ip_ecn.h,v 1.8 2002/01/07 11:34:47 kjc 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 _BSD_NETINET_IP_ECN_H_ |
| #define _BSD_NETINET_IP_ECN_H_ |
| |
| #if defined(_FREEBSD_KERNEL) && !defined(_LKM) |
| #include "bsd_opt_inet.h" |
| #endif |
| |
| #define ECN_ALLOWED 1 /* ECN allowed */ |
| #define ECN_FORBIDDEN 0 /* ECN forbidden */ |
| #define ECN_NOCARE (-1) /* no consideration to ECN */ |
| |
| #ifdef _FREEBSD_KERNEL |
| extern void ip_ecn_ingress(int, u_int8_t *, const u_int8_t *); |
| extern int ip_ecn_egress(int, const u_int8_t *, u_int8_t *); |
| #endif |
| #endif |
