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