//==========================================================================
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//==========================================================================
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//
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//
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// include/netinet/ip_mroute.h
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// include/netinet/ip_mroute.h
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//
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//
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//==========================================================================
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//==========================================================================
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//####BSDCOPYRIGHTBEGIN####
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//####BSDCOPYRIGHTBEGIN####
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//
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//
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// -------------------------------------------
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// -------------------------------------------
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//
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//
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// Portions of this software may have been derived from OpenBSD,
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// Portions of this software may have been derived from OpenBSD,
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// FreeBSD or other sources, and are covered by the appropriate
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// FreeBSD or other sources, and are covered by the appropriate
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// copyright disclaimers included herein.
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// copyright disclaimers included herein.
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//
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//
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// Portions created by Red Hat are
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// Portions created by Red Hat are
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// Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
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// Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
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//
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//
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// -------------------------------------------
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// -------------------------------------------
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//
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//
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//####BSDCOPYRIGHTEND####
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//####BSDCOPYRIGHTEND####
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//==========================================================================
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//==========================================================================
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|
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/*
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/*
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* Copyright (c) 1989 Stephen Deering.
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* Copyright (c) 1989 Stephen Deering.
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* Copyright (c) 1992, 1993
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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* The Regents of the University of California. All rights reserved.
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*
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*
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* This code is derived from software contributed to Berkeley by
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* This code is derived from software contributed to Berkeley by
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* Stephen Deering of Stanford University.
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* Stephen Deering of Stanford University.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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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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* modification, are permitted provided that the following conditions
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* are met:
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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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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* 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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* 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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* 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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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* SUCH DAMAGE.
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*
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*
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* @(#)ip_mroute.h 8.1 (Berkeley) 6/10/93
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* @(#)ip_mroute.h 8.1 (Berkeley) 6/10/93
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* $FreeBSD: src/sys/netinet/ip_mroute.h,v 1.17 1999/12/29 04:41:01 peter Exp $
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* $FreeBSD: src/sys/netinet/ip_mroute.h,v 1.17 1999/12/29 04:41:01 peter Exp $
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*/
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*/
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|
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#ifndef _NETINET_IP_MROUTE_H_
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#ifndef _NETINET_IP_MROUTE_H_
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#define _NETINET_IP_MROUTE_H_
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#define _NETINET_IP_MROUTE_H_
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|
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/*
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/*
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* Definitions for IP multicast forwarding.
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* Definitions for IP multicast forwarding.
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*
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*
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* Written by David Waitzman, BBN Labs, August 1988.
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* Written by David Waitzman, BBN Labs, August 1988.
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* Modified by Steve Deering, Stanford, February 1989.
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* Modified by Steve Deering, Stanford, February 1989.
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* Modified by Ajit Thyagarajan, PARC, August 1993.
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* Modified by Ajit Thyagarajan, PARC, August 1993.
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* Modified by Ajit Thyagarajan, PARC, August 1994.
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* Modified by Ajit Thyagarajan, PARC, August 1994.
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*
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*
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* MROUTING Revision: 3.3.1.3
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* MROUTING Revision: 3.3.1.3
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*/
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*/
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/*
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/*
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* Multicast Routing set/getsockopt commands.
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* Multicast Routing set/getsockopt commands.
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*/
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*/
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#define MRT_INIT 100 /* initialize forwarder */
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#define MRT_INIT 100 /* initialize forwarder */
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#define MRT_DONE 101 /* shut down forwarder */
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#define MRT_DONE 101 /* shut down forwarder */
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#define MRT_ADD_VIF 102 /* create virtual interface */
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#define MRT_ADD_VIF 102 /* create virtual interface */
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#define MRT_DEL_VIF 103 /* delete virtual interface */
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#define MRT_DEL_VIF 103 /* delete virtual interface */
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#define MRT_ADD_MFC 104 /* insert forwarding cache entry */
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#define MRT_ADD_MFC 104 /* insert forwarding cache entry */
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#define MRT_DEL_MFC 105 /* delete forwarding cache entry */
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#define MRT_DEL_MFC 105 /* delete forwarding cache entry */
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#define MRT_VERSION 106 /* get kernel version number */
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#define MRT_VERSION 106 /* get kernel version number */
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#define MRT_ASSERT 107 /* enable PIM assert processing */
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#define MRT_ASSERT 107 /* enable PIM assert processing */
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|
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#define GET_TIME(t) microtime(&t)
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#define GET_TIME(t) microtime(&t)
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|
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/*
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/*
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* Types and macros for handling bitmaps with one bit per virtual interface.
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* Types and macros for handling bitmaps with one bit per virtual interface.
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*/
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*/
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#define MAXVIFS 32
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#define MAXVIFS 32
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typedef u_long vifbitmap_t;
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typedef u_long vifbitmap_t;
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typedef u_short vifi_t; /* type of a vif index */
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typedef u_short vifi_t; /* type of a vif index */
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#define ALL_VIFS (vifi_t)-1
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#define ALL_VIFS (vifi_t)-1
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|
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#define VIFM_SET(n, m) ((m) |= (1 << (n)))
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#define VIFM_SET(n, m) ((m) |= (1 << (n)))
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#define VIFM_CLR(n, m) ((m) &= ~(1 << (n)))
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#define VIFM_CLR(n, m) ((m) &= ~(1 << (n)))
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#define VIFM_ISSET(n, m) ((m) & (1 << (n)))
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#define VIFM_ISSET(n, m) ((m) & (1 << (n)))
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#define VIFM_CLRALL(m) ((m) = 0x00000000)
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#define VIFM_CLRALL(m) ((m) = 0x00000000)
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#define VIFM_COPY(mfrom, mto) ((mto) = (mfrom))
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#define VIFM_COPY(mfrom, mto) ((mto) = (mfrom))
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#define VIFM_SAME(m1, m2) ((m1) == (m2))
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#define VIFM_SAME(m1, m2) ((m1) == (m2))
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|
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/*
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/*
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* Argument structure for MRT_ADD_VIF.
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* Argument structure for MRT_ADD_VIF.
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* (MRT_DEL_VIF takes a single vifi_t argument.)
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* (MRT_DEL_VIF takes a single vifi_t argument.)
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*/
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*/
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struct vifctl {
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struct vifctl {
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vifi_t vifc_vifi; /* the index of the vif to be added */
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vifi_t vifc_vifi; /* the index of the vif to be added */
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u_char vifc_flags; /* VIFF_ flags defined below */
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u_char vifc_flags; /* VIFF_ flags defined below */
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u_char vifc_threshold; /* min ttl required to forward on vif */
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u_char vifc_threshold; /* min ttl required to forward on vif */
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u_int vifc_rate_limit; /* max rate */
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u_int vifc_rate_limit; /* max rate */
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struct in_addr vifc_lcl_addr; /* local interface address */
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struct in_addr vifc_lcl_addr; /* local interface address */
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struct in_addr vifc_rmt_addr; /* remote address (tunnels only) */
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struct in_addr vifc_rmt_addr; /* remote address (tunnels only) */
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};
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};
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|
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#define VIFF_TUNNEL 0x1 /* vif represents a tunnel end-point */
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#define VIFF_TUNNEL 0x1 /* vif represents a tunnel end-point */
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#define VIFF_SRCRT 0x2 /* tunnel uses IP source routing */
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#define VIFF_SRCRT 0x2 /* tunnel uses IP source routing */
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|
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/*
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/*
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* Argument structure for MRT_ADD_MFC and MRT_DEL_MFC
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* Argument structure for MRT_ADD_MFC and MRT_DEL_MFC
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* (mfcc_tos to be added at a future point)
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* (mfcc_tos to be added at a future point)
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*/
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*/
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struct mfcctl {
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struct mfcctl {
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struct in_addr mfcc_origin; /* ip origin of mcasts */
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struct in_addr mfcc_origin; /* ip origin of mcasts */
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struct in_addr mfcc_mcastgrp; /* multicast group associated*/
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struct in_addr mfcc_mcastgrp; /* multicast group associated*/
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vifi_t mfcc_parent; /* incoming vif */
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vifi_t mfcc_parent; /* incoming vif */
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u_char mfcc_ttls[MAXVIFS]; /* forwarding ttls on vifs */
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u_char mfcc_ttls[MAXVIFS]; /* forwarding ttls on vifs */
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};
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};
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|
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/*
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/*
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* The kernel's multicast routing statistics.
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* The kernel's multicast routing statistics.
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*/
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*/
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struct mrtstat {
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struct mrtstat {
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u_long mrts_mfc_lookups; /* # forw. cache hash table hits */
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u_long mrts_mfc_lookups; /* # forw. cache hash table hits */
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u_long mrts_mfc_misses; /* # forw. cache hash table misses */
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u_long mrts_mfc_misses; /* # forw. cache hash table misses */
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u_long mrts_upcalls; /* # calls to mrouted */
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u_long mrts_upcalls; /* # calls to mrouted */
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u_long mrts_no_route; /* no route for packet's origin */
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u_long mrts_no_route; /* no route for packet's origin */
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u_long mrts_bad_tunnel; /* malformed tunnel options */
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u_long mrts_bad_tunnel; /* malformed tunnel options */
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u_long mrts_cant_tunnel; /* no room for tunnel options */
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u_long mrts_cant_tunnel; /* no room for tunnel options */
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u_long mrts_wrong_if; /* arrived on wrong interface */
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u_long mrts_wrong_if; /* arrived on wrong interface */
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u_long mrts_upq_ovflw; /* upcall Q overflow */
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u_long mrts_upq_ovflw; /* upcall Q overflow */
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u_long mrts_cache_cleanups; /* # entries with no upcalls */
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u_long mrts_cache_cleanups; /* # entries with no upcalls */
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u_long mrts_drop_sel; /* pkts dropped selectively */
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u_long mrts_drop_sel; /* pkts dropped selectively */
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u_long mrts_q_overflow; /* pkts dropped - Q overflow */
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u_long mrts_q_overflow; /* pkts dropped - Q overflow */
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u_long mrts_pkt2large; /* pkts dropped - size > BKT SIZE */
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u_long mrts_pkt2large; /* pkts dropped - size > BKT SIZE */
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u_long mrts_upq_sockfull; /* upcalls dropped - socket full */
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u_long mrts_upq_sockfull; /* upcalls dropped - socket full */
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};
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};
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|
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/*
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/*
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* Argument structure used by mrouted to get src-grp pkt counts
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* Argument structure used by mrouted to get src-grp pkt counts
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*/
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*/
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struct sioc_sg_req {
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struct sioc_sg_req {
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struct in_addr src;
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struct in_addr src;
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struct in_addr grp;
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struct in_addr grp;
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u_long pktcnt;
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u_long pktcnt;
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u_long bytecnt;
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u_long bytecnt;
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u_long wrong_if;
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u_long wrong_if;
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};
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};
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|
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/*
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/*
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* Argument structure used by mrouted to get vif pkt counts
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* Argument structure used by mrouted to get vif pkt counts
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*/
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*/
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struct sioc_vif_req {
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struct sioc_vif_req {
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vifi_t vifi; /* vif number */
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vifi_t vifi; /* vif number */
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u_long icount; /* Input packet count on vif */
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u_long icount; /* Input packet count on vif */
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u_long ocount; /* Output packet count on vif */
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u_long ocount; /* Output packet count on vif */
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u_long ibytes; /* Input byte count on vif */
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u_long ibytes; /* Input byte count on vif */
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u_long obytes; /* Output byte count on vif */
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u_long obytes; /* Output byte count on vif */
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};
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};
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|
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/*
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/*
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* The kernel's virtual-interface structure.
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* The kernel's virtual-interface structure.
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*/
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*/
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struct vif {
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struct vif {
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u_char v_flags; /* VIFF_ flags defined above */
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u_char v_flags; /* VIFF_ flags defined above */
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u_char v_threshold; /* min ttl required to forward on vif*/
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u_char v_threshold; /* min ttl required to forward on vif*/
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u_int v_rate_limit; /* max rate */
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u_int v_rate_limit; /* max rate */
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struct tbf *v_tbf; /* token bucket structure at intf. */
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struct tbf *v_tbf; /* token bucket structure at intf. */
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struct in_addr v_lcl_addr; /* local interface address */
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struct in_addr v_lcl_addr; /* local interface address */
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struct in_addr v_rmt_addr; /* remote address (tunnels only) */
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struct in_addr v_rmt_addr; /* remote address (tunnels only) */
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struct ifnet *v_ifp; /* pointer to interface */
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struct ifnet *v_ifp; /* pointer to interface */
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u_long v_pkt_in; /* # pkts in on interface */
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u_long v_pkt_in; /* # pkts in on interface */
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u_long v_pkt_out; /* # pkts out on interface */
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u_long v_pkt_out; /* # pkts out on interface */
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u_long v_bytes_in; /* # bytes in on interface */
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u_long v_bytes_in; /* # bytes in on interface */
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u_long v_bytes_out; /* # bytes out on interface */
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u_long v_bytes_out; /* # bytes out on interface */
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struct route v_route; /* cached route if this is a tunnel */
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struct route v_route; /* cached route if this is a tunnel */
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u_int v_rsvp_on; /* RSVP listening on this vif */
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u_int v_rsvp_on; /* RSVP listening on this vif */
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struct socket *v_rsvpd; /* RSVP daemon socket */
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struct socket *v_rsvpd; /* RSVP daemon socket */
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};
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};
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|
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/*
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/*
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* The kernel's multicast forwarding cache entry structure
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* The kernel's multicast forwarding cache entry structure
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* (A field for the type of service (mfc_tos) is to be added
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* (A field for the type of service (mfc_tos) is to be added
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* at a future point)
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* at a future point)
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*/
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*/
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struct mfc {
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struct mfc {
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struct in_addr mfc_origin; /* IP origin of mcasts */
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struct in_addr mfc_origin; /* IP origin of mcasts */
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struct in_addr mfc_mcastgrp; /* multicast group associated*/
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struct in_addr mfc_mcastgrp; /* multicast group associated*/
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vifi_t mfc_parent; /* incoming vif */
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vifi_t mfc_parent; /* incoming vif */
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u_char mfc_ttls[MAXVIFS]; /* forwarding ttls on vifs */
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u_char mfc_ttls[MAXVIFS]; /* forwarding ttls on vifs */
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u_long mfc_pkt_cnt; /* pkt count for src-grp */
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u_long mfc_pkt_cnt; /* pkt count for src-grp */
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u_long mfc_byte_cnt; /* byte count for src-grp */
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u_long mfc_byte_cnt; /* byte count for src-grp */
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u_long mfc_wrong_if; /* wrong if for src-grp */
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u_long mfc_wrong_if; /* wrong if for src-grp */
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int mfc_expire; /* time to clean entry up */
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int mfc_expire; /* time to clean entry up */
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struct timeval mfc_last_assert; /* last time I sent an assert*/
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struct timeval mfc_last_assert; /* last time I sent an assert*/
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struct rtdetq *mfc_stall; /* q of packets awaiting mfc */
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struct rtdetq *mfc_stall; /* q of packets awaiting mfc */
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struct mfc *mfc_next; /* next mfc entry */
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struct mfc *mfc_next; /* next mfc entry */
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};
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};
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|
|
/*
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/*
|
* Struct used to communicate from kernel to multicast router
|
* Struct used to communicate from kernel to multicast router
|
* note the convenient similarity to an IP packet
|
* note the convenient similarity to an IP packet
|
*/
|
*/
|
struct igmpmsg {
|
struct igmpmsg {
|
u_long unused1;
|
u_long unused1;
|
u_long unused2;
|
u_long unused2;
|
u_char im_msgtype; /* what type of message */
|
u_char im_msgtype; /* what type of message */
|
#define IGMPMSG_NOCACHE 1
|
#define IGMPMSG_NOCACHE 1
|
#define IGMPMSG_WRONGVIF 2
|
#define IGMPMSG_WRONGVIF 2
|
u_char im_mbz; /* must be zero */
|
u_char im_mbz; /* must be zero */
|
u_char im_vif; /* vif rec'd on */
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u_char im_vif; /* vif rec'd on */
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u_char unused3;
|
u_char unused3;
|
struct in_addr im_src, im_dst;
|
struct in_addr im_src, im_dst;
|
};
|
};
|
|
|
/*
|
/*
|
* Argument structure used for pkt info. while upcall is made
|
* Argument structure used for pkt info. while upcall is made
|
*/
|
*/
|
struct rtdetq {
|
struct rtdetq {
|
struct mbuf *m; /* A copy of the packet */
|
struct mbuf *m; /* A copy of the packet */
|
struct ifnet *ifp; /* Interface pkt came in on */
|
struct ifnet *ifp; /* Interface pkt came in on */
|
vifi_t xmt_vif; /* Saved copy of imo_multicast_vif */
|
vifi_t xmt_vif; /* Saved copy of imo_multicast_vif */
|
#ifdef UPCALL_TIMING
|
#ifdef UPCALL_TIMING
|
struct timeval t; /* Timestamp */
|
struct timeval t; /* Timestamp */
|
#endif /* UPCALL_TIMING */
|
#endif /* UPCALL_TIMING */
|
struct rtdetq *next; /* Next in list of packets */
|
struct rtdetq *next; /* Next in list of packets */
|
};
|
};
|
|
|
#define MFCTBLSIZ 256
|
#define MFCTBLSIZ 256
|
#if (MFCTBLSIZ & (MFCTBLSIZ - 1)) == 0 /* from sys:route.h */
|
#if (MFCTBLSIZ & (MFCTBLSIZ - 1)) == 0 /* from sys:route.h */
|
#define MFCHASHMOD(h) ((h) & (MFCTBLSIZ - 1))
|
#define MFCHASHMOD(h) ((h) & (MFCTBLSIZ - 1))
|
#else
|
#else
|
#define MFCHASHMOD(h) ((h) % MFCTBLSIZ)
|
#define MFCHASHMOD(h) ((h) % MFCTBLSIZ)
|
#endif
|
#endif
|
|
|
#define MAX_UPQ 4 /* max. no of pkts in upcall Q */
|
#define MAX_UPQ 4 /* max. no of pkts in upcall Q */
|
|
|
/*
|
/*
|
* Token Bucket filter code
|
* Token Bucket filter code
|
*/
|
*/
|
#define MAX_BKT_SIZE 10000 /* 10K bytes size */
|
#define MAX_BKT_SIZE 10000 /* 10K bytes size */
|
#define MAXQSIZE 10 /* max # of pkts in queue */
|
#define MAXQSIZE 10 /* max # of pkts in queue */
|
|
|
/*
|
/*
|
* the token bucket filter at each vif
|
* the token bucket filter at each vif
|
*/
|
*/
|
struct tbf
|
struct tbf
|
{
|
{
|
struct timeval tbf_last_pkt_t; /* arr. time of last pkt */
|
struct timeval tbf_last_pkt_t; /* arr. time of last pkt */
|
u_long tbf_n_tok; /* no of tokens in bucket */
|
u_long tbf_n_tok; /* no of tokens in bucket */
|
u_long tbf_q_len; /* length of queue at this vif */
|
u_long tbf_q_len; /* length of queue at this vif */
|
u_long tbf_max_q_len; /* max. queue length */
|
u_long tbf_max_q_len; /* max. queue length */
|
struct mbuf *tbf_q; /* Packet queue */
|
struct mbuf *tbf_q; /* Packet queue */
|
struct mbuf *tbf_t; /* tail-insertion pointer */
|
struct mbuf *tbf_t; /* tail-insertion pointer */
|
};
|
};
|
|
|
#ifdef _KERNEL
|
#ifdef _KERNEL
|
|
|
struct sockopt;
|
struct sockopt;
|
|
|
extern int (*ip_mrouter_set) __P((struct socket *, struct sockopt *));
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extern int (*ip_mrouter_set) __P((struct socket *, struct sockopt *));
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extern int (*ip_mrouter_get) __P((struct socket *, struct sockopt *));
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extern int (*ip_mrouter_get) __P((struct socket *, struct sockopt *));
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extern int (*ip_mrouter_done) __P((void));
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extern int (*ip_mrouter_done) __P((void));
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#ifdef MROUTING
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#ifdef MROUTING
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extern int (*mrt_ioctl) __P((int, caddr_t));
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extern int (*mrt_ioctl) __P((int, caddr_t));
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#else
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#else
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extern int (*mrt_ioctl) __P((int, caddr_t, struct proc *));
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extern int (*mrt_ioctl) __P((int, caddr_t, struct proc *));
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#endif
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#endif
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#endif /* _KERNEL */
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#endif /* _KERNEL */
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#endif /* _NETINET_IP_MROUTE_H_ */
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#endif /* _NETINET_IP_MROUTE_H_ */
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