62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/* $OpenBSD: ip_gre.h,v 1.19 2024/05/13 01:15:53 jsg Exp $ */
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/* $NetBSD: ip_gre.h,v 1.3 1998/10/07 23:33:02 thorpej Exp $ */
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/*
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Heiko W.Rupp <hwr@pilhuhn.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _NETINET_IP_GRE_H_
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#define _NETINET_IP_GRE_H_
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/* Protocol number for Cisco's WCCP
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* The Internet Draft is:
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* draft-forster-wrec-wccp-v1-00.txt
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*/
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#define GREPROTO_WCCP 0x883e
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/*
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* Names for GRE sysctl objects
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*/
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#define GRECTL_ALLOW 1 /* accept incoming GRE packets */
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#define GRECTL_WCCP 2 /* accept WCCPv1-style GRE packets */
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#define GRECTL_MAXID 3
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#define GRECTL_NAMES { \
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{ 0, 0 }, \
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{ "allow", CTLTYPE_INT }, \
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{ "wccp", CTLTYPE_INT }, \
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}
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#ifdef _KERNEL
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extern const struct pr_usrreqs gre_usrreqs;
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int gre_send(struct socket *, struct mbuf *, struct mbuf *,
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struct mbuf *);
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#endif /* _KERNEL */
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#endif /* _NETINET_IP_GRE_H_ */
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