159dfcba4SHajimu UMEMOTO /* $KAME: ip_ecn.h,v 1.8 2002/01/07 11:34:47 kjc Exp $ */ 2686cdd19SJun-ichiro itojun Hagino 3c398230bSWarner Losh /*- 4*51369649SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause 5*51369649SPedro F. Giffuni * 66a800098SYoshinobu Inoue * Copyright (C) 1999 WIDE Project. 76a800098SYoshinobu Inoue * All rights reserved. 86a800098SYoshinobu Inoue * 96a800098SYoshinobu Inoue * Redistribution and use in source and binary forms, with or without 106a800098SYoshinobu Inoue * modification, are permitted provided that the following conditions 116a800098SYoshinobu Inoue * are met: 126a800098SYoshinobu Inoue * 1. Redistributions of source code must retain the above copyright 136a800098SYoshinobu Inoue * notice, this list of conditions and the following disclaimer. 146a800098SYoshinobu Inoue * 2. Redistributions in binary form must reproduce the above copyright 156a800098SYoshinobu Inoue * notice, this list of conditions and the following disclaimer in the 166a800098SYoshinobu Inoue * documentation and/or other materials provided with the distribution. 176a800098SYoshinobu Inoue * 3. Neither the name of the project nor the names of its contributors 186a800098SYoshinobu Inoue * may be used to endorse or promote products derived from this software 196a800098SYoshinobu Inoue * without specific prior written permission. 206a800098SYoshinobu Inoue * 216a800098SYoshinobu Inoue * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 226a800098SYoshinobu Inoue * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 236a800098SYoshinobu Inoue * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 246a800098SYoshinobu Inoue * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 256a800098SYoshinobu Inoue * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 266a800098SYoshinobu Inoue * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 276a800098SYoshinobu Inoue * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 286a800098SYoshinobu Inoue * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 296a800098SYoshinobu Inoue * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 306a800098SYoshinobu Inoue * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 316a800098SYoshinobu Inoue * SUCH DAMAGE. 326a800098SYoshinobu Inoue * 336a800098SYoshinobu Inoue */ 346a800098SYoshinobu Inoue /* 356a800098SYoshinobu Inoue * ECN consideration on tunnel ingress/egress operation. 366a800098SYoshinobu Inoue * http://www.aciri.org/floyd/papers/draft-ipsec-ecn-00.txt 376a800098SYoshinobu Inoue */ 386a800098SYoshinobu Inoue 3959dfcba4SHajimu UMEMOTO #ifndef _NETINET_IP_ECN_H_ 4059dfcba4SHajimu UMEMOTO #define _NETINET_IP_ECN_H_ 4159dfcba4SHajimu UMEMOTO 426a800098SYoshinobu Inoue #define ECN_ALLOWED 1 /* ECN allowed */ 436a800098SYoshinobu Inoue #define ECN_FORBIDDEN 0 /* ECN forbidden */ 446a800098SYoshinobu Inoue #define ECN_NOCARE (-1) /* no consideration to ECN */ 456a800098SYoshinobu Inoue 46664a31e4SPeter Wemm #ifdef _KERNEL 474d77a549SAlfred Perlstein extern void ip_ecn_ingress(int, u_int8_t *, const u_int8_t *); 4859dfcba4SHajimu UMEMOTO extern int ip_ecn_egress(int, const u_int8_t *, u_int8_t *); 4959dfcba4SHajimu UMEMOTO #endif 506a800098SYoshinobu Inoue #endif 51