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Annotation of sys/netinet/ip_ecn.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: ip_ecn.h,v 1.5 2002/05/16 14:10:51 kjc Exp $  */
        !             2: /*     $KAME: ip_ecn.h,v 1.5 2000/03/27 04:58:38 sumikawa Exp $        */
        !             3:
        !             4: /*
        !             5:  * Copyright (C) 1999 WIDE Project.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. Neither the name of the project nor the names of its contributors
        !            17:  *    may be used to endorse or promote products derived from this software
        !            18:  *    without specific prior written permission.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
        !            21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
        !            24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            30:  * SUCH DAMAGE.
        !            31:  *
        !            32:  */
        !            33:
        !            34: #ifndef _NETINET_IP_ECN_H_
        !            35: #define _NETINET_IP_ECN_H_
        !            36:
        !            37: /*
        !            38:  * ECN consideration on tunnel ingress/egress operation.
        !            39:  * http://www.aciri.org/floyd/papers/draft-ipsec-ecn-00.txt
        !            40:  */
        !            41:
        !            42: #define ECN_ALLOWED    1       /* ECN allowed */
        !            43: #define ECN_FORBIDDEN  0       /* ECN forbidden */
        !            44: #define ECN_NOCARE     (-1)    /* no consideration to ECN */
        !            45:
        !            46: #if defined(_KERNEL)
        !            47: extern void ip_ecn_ingress(int, u_int8_t *, u_int8_t *);
        !            48: extern int ip_ecn_egress(int, u_int8_t *, u_int8_t *);
        !            49: #ifdef INET6
        !            50: extern void ip6_ecn_ingress(int, u_int32_t *, u_int32_t *);
        !            51: extern int ip6_ecn_egress(int, u_int32_t *, u_int32_t *);
        !            52: #endif /* INET6 */
        !            53: #endif /* _KERNEL */
        !            54: #endif /* _NETINET_IP_ECN_H_ */