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ip_ecn.h revision 1.5 
      1  1.5  thorpej /*	$NetBSD: ip_ecn.h,v 1.5 1999/07/09 23:41:17 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  1.4   itojun  * KAME Id: ip_ecn.h,v 1.1.4.1 1999/05/07 15:59:16 itojun 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  1.5  thorpej 
     38  1.5  thorpej #if defined(_KERNEL) && !defined(_LKM)
     39  1.5  thorpej #include "opt_inet.h"
     40  1.5  thorpej #endif
     41  1.2   itojun 
     42  1.2   itojun #define ECN_ALLOWED	1	/* ECN allowed */
     43  1.2   itojun #define ECN_FORBIDDEN	0	/* ECN forbidden */
     44  1.2   itojun #define ECN_NOCARE	(-1)	/* no consideration to ECN */
     45  1.2   itojun 
     46  1.2   itojun #if defined(KERNEL) || defined(_KERNEL)
     47  1.2   itojun extern void ip_ecn_ingress __P((int, u_int8_t *, u_int8_t *));
     48  1.2   itojun extern void ip_ecn_egress __P((int, u_int8_t *, u_int8_t *));
     49  1.2   itojun #ifdef INET6
     50  1.2   itojun extern void ip6_ecn_ingress __P((int, u_int32_t *, u_int32_t *));
     51  1.2   itojun extern void ip6_ecn_egress __P((int, u_int32_t *, u_int32_t *));
     52  1.2   itojun #endif
     53  1.2   itojun #endif
     54