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ip_ecn.h revision 1.9.16.4 
      1  1.9.16.4  christos /*	$NetBSD: ip_ecn.h,v 1.9.16.4 2005/12/11 10:29:24 christos 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       1.6    itojun #if defined(_KERNEL) && !defined(_LKM)
     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  1.9.16.1     skrll extern void ip_ecn_ingress (int, u_int8_t *, const u_int8_t *);
     53  1.9.16.1     skrll extern void ip_ecn_egress (int, const u_int8_t *, u_int8_t *);
     54       1.2    itojun #ifdef INET6
     55  1.9.16.1     skrll extern void ip6_ecn_ingress (int, u_int32_t *, const u_int32_t *);
     56  1.9.16.1     skrll extern void ip6_ecn_egress (int, const u_int32_t *, u_int32_t *);
     57       1.9    itojun #endif
     58       1.2    itojun #endif
     59  1.9.16.4  christos #endif /* !_NETINET_IP_ECN_H_ */
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