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ip_ecn.h revision 1.11
      1  1.11     elad /*	$NetBSD: ip_ecn.h,v 1.11 2005/12/10 23:36:23 elad 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  1.10     matt extern void ip_ecn_ingress (int, u_int8_t *, const u_int8_t *);
     53  1.10     matt extern void ip_ecn_egress (int, const u_int8_t *, u_int8_t *);
     54   1.2   itojun #ifdef INET6
     55  1.10     matt extern void ip6_ecn_ingress (int, u_int32_t *, const u_int32_t *);
     56  1.10     matt extern void ip6_ecn_egress (int, const u_int32_t *, u_int32_t *);
     57   1.9   itojun #endif
     58   1.2   itojun #endif
     59  1.11     elad #endif /* !_NETINET_IP_ECN_H_ */
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