[apple/xnu.git] / bsd / netinet6 / ip6_mroute.h

/*	$FreeBSD: src/sys/netinet6/ip6_mroute.h,v 1.2.2.2 2001/07/03 11:01:53 ume Exp $	*/
/*	$KAME: ip6_mroute.h,v 1.17 2001/02/10 02:05:52 itojun Exp $	*/

/*
 * Copyright (C) 1998 WIDE Project.
 * All rights reserved.
 *
 * 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.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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.
 */

/*	BSDI ip_mroute.h,v 2.5 1996/10/11 16:01:48 pjd Exp	*/

/*
 * Definitions for IP multicast forwarding.
 *
 * Written by David Waitzman, BBN Labs, August 1988.
 * Modified by Steve Deering, Stanford, February 1989.
 * Modified by Ajit Thyagarajan, PARC, August 1993.
 * Modified by Ajit Thyagarajan, PARC, August 1994.
 * Modified by Ahmed Helmy, USC, September 1996.
 *
 * MROUTING Revision: 1.2
 */

#ifndef _NETINET6_IP6_MROUTE_H_
#define _NETINET6_IP6_MROUTE_H_
#include <sys/appleapiopts.h>

/*
 * Multicast Routing set/getsockopt commands.
 */
#ifdef KERNEL_PRIVATE
#define MRT6_OINIT		100	/* initialize forwarder (omrt6msg) */
#endif
#define MRT6_DONE		101	/* shut down forwarder */
#define MRT6_ADD_MIF		102	/* add multicast interface */
#define MRT6_DEL_MIF		103	/* delete multicast interface */
#define MRT6_ADD_MFC		104	/* insert forwarding cache entry */
#define MRT6_DEL_MFC		105	/* delete forwarding cache entry */
#define MRT6_PIM                107     /* enable pim code */
#define MRT6_INIT		108	/* initialize forwarder (mrt6msg) */

#ifdef __APPLE__
#define GET_TIME(t)	getmicrotime(&t)
#endif

/*
 * Types and macros for handling bitmaps with one bit per multicast interface.
 */
typedef u_short mifi_t;		/* type of a mif index */
#define MAXMIFS		64

#ifndef	IF_SETSIZE
#define	IF_SETSIZE	256
#endif

typedef	u_int32_t	if_mask;
#define	NIFBITS	(sizeof(if_mask) * NBBY)	/* bits per mask */

#ifndef howmany
#define	howmany(x, y)	(((x) + ((y) - 1)) / (y))
#endif

typedef	struct if_set {
	if_mask	ifs_bits[howmany(IF_SETSIZE, NIFBITS)];
} if_set;

#define	IF_SET(n, p)	((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
#define	IF_CLR(n, p)	((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
#define	IF_ISSET(n, p)	((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
#define	IF_COPY(f, t)	bcopy(f, t, sizeof(*(f)))
#define	IF_ZERO(p)	bzero(p, sizeof(*(p)))

/*
 * Argument structure for MRT6_ADD_IF.
 */
struct mif6ctl {
	mifi_t	    mif6c_mifi;	    	/* the index of the mif to be added  */
	u_char	    mif6c_flags;     	/* MIFF_ flags defined below         */
	u_short	    mif6c_pifi;		/* the index of the physical IF */
#if notyet
	u_int	    mif6c_rate_limit;    /* max rate           		     */
#endif
};

#define	MIFF_REGISTER	0x1	/* mif represents a register end-point */

/*
 * Argument structure for MRT6_ADD_MFC and MRT6_DEL_MFC
 */
struct mf6cctl {
	struct sockaddr_in6 mf6cc_origin;	/* IPv6 origin of mcasts */
	struct sockaddr_in6 mf6cc_mcastgrp; /* multicast group associated */
	mifi_t		mf6cc_parent;	/* incoming ifindex */
	struct if_set	mf6cc_ifset;	/* set of forwarding ifs */
};

/*
 * The kernel's multicast routing statistics.
 */
struct mrt6stat {
	u_quad_t mrt6s_mfc_lookups;	/* # forw. cache hash table hits   */
	u_quad_t mrt6s_mfc_misses;	/* # forw. cache hash table misses */
	u_quad_t mrt6s_upcalls;		/* # calls to mrouted              */
	u_quad_t mrt6s_no_route;	/* no route for packet's origin    */
	u_quad_t mrt6s_bad_tunnel;	/* malformed tunnel options        */
	u_quad_t mrt6s_cant_tunnel;	/* no room for tunnel options      */
	u_quad_t mrt6s_wrong_if;	/* arrived on wrong interface	   */
	u_quad_t mrt6s_upq_ovflw;	/* upcall Q overflow		   */
	u_quad_t mrt6s_cache_cleanups;	/* # entries with no upcalls 	   */
	u_quad_t mrt6s_drop_sel;     	/* pkts dropped selectively        */
	u_quad_t mrt6s_q_overflow;    	/* pkts dropped - Q overflow       */
	u_quad_t mrt6s_pkt2large;     	/* pkts dropped - size > BKT SIZE  */
	u_quad_t mrt6s_upq_sockfull;	/* upcalls dropped - socket full   */
};

#ifdef KERNEL_PRIVATE
#if MRT6_OINIT
/*
 * Struct used to communicate from kernel to multicast router
 * note the convenient similarity to an IPv6 header.
 * XXX old version, superseded by mrt6msg.
 */
struct omrt6msg {
	u_long	    unused1;
	u_char	    im6_msgtype;		/* what type of message	    */
#if 0
#define MRT6MSG_NOCACHE	1
#define MRT6MSG_WRONGMIF	2
#define MRT6MSG_WHOLEPKT	3		/* used for user level encap*/
#endif
	u_char	    im6_mbz;			/* must be zero		    */
	u_char	    im6_mif;			/* mif rec'd on		    */
	u_char	    unused2;
	struct in6_addr  im6_src, im6_dst;
};
#endif
#endif KERNEL_PRIVATE

/*
 * Structure used to communicate from kernel to multicast router.
 * We'll overlay the structure onto an MLD header (not an IPv6 header
 * like igmpmsg{} used for IPv4 implementation). This is because this
 * structure will be passed via an IPv6 raw socket, on which an application
 * will only receive the payload i.e. the data after the IPv6 header and all
 * the extension headers. (see Section 3 of draft-ietf-ipngwg-2292bis-01)
 */
struct mrt6msg {
#define MRT6MSG_NOCACHE		1
#define MRT6MSG_WRONGMIF	2
#define MRT6MSG_WHOLEPKT	3		/* used for user level encap*/
	u_char	    im6_mbz;			/* must be zero		    */
	u_char	    im6_msgtype;		/* what type of message	    */
	u_int16_t   im6_mif;			/* mif rec'd on		    */
	u_int32_t   im6_pad;			/* padding for 64bit arch   */
	struct in6_addr  im6_src, im6_dst;
};

/*
 * Argument structure used by multicast routing daemon to get src-grp
 * packet counts
 */
struct sioc_sg_req6 {
	struct sockaddr_in6 src;
	struct sockaddr_in6 grp;
	u_quad_t pktcnt;
	u_quad_t bytecnt;
	u_quad_t wrong_if;
};

/*
 * Argument structure used by mrouted to get mif pkt counts
 */
struct sioc_mif_req6 {
	mifi_t mifi;		/* mif number				*/
	u_quad_t icount;	/* Input packet count on mif		*/
	u_quad_t ocount;	/* Output packet count on mif		*/
	u_quad_t ibytes;	/* Input byte count on mif		*/
	u_quad_t obytes;	/* Output byte count on mif		*/
};

#ifdef PRIVATE
/*
 * The kernel's multicast-interface structure.
 */
struct mif6 {
        u_char   	m6_flags;     	/* MIFF_ flags defined above         */
	u_int      	m6_rate_limit; 	/* max rate			     */
#if notyet
	struct tbf      *m6_tbf;      	/* token bucket structure at intf.   */
#endif 
	struct in6_addr	m6_lcl_addr;   	/* local interface address           */
	struct ifnet    *m6_ifp;     	/* pointer to interface              */
	u_quad_t	m6_pkt_in;	/* # pkts in on interface            */
	u_quad_t	m6_pkt_out;	/* # pkts out on interface           */
	u_quad_t	m6_bytes_in;	/* # bytes in on interface	     */
	u_quad_t	m6_bytes_out;	/* # bytes out on interface	     */
	struct route_in6 m6_route;/* cached route if this is a tunnel */
#if notyet
	u_int		m6_rsvp_on;	/* RSVP listening on this vif */
	struct socket   *m6_rsvpd;	/* RSVP daemon socket */
#endif 
};

/*
 * The kernel's multicast forwarding cache entry structure
 */
struct mf6c {
	struct sockaddr_in6  mf6c_origin;	/* IPv6 origin of mcasts     */
	struct sockaddr_in6  mf6c_mcastgrp;	/* multicast group associated*/
	mifi_t	    	 mf6c_parent; 		/* incoming IF               */
	struct if_set	 mf6c_ifset;		/* set of outgoing IFs */

	u_quad_t    	mf6c_pkt_cnt;		/* pkt count for src-grp     */
	u_quad_t    	mf6c_byte_cnt;		/* byte count for src-grp    */
	u_quad_t    	mf6c_wrong_if;		/* wrong if for src-grp	     */
	int	    	mf6c_expire;		/* time to clean entry up    */
	struct timeval  mf6c_last_assert;	/* last time I sent an assert*/
	struct rtdetq  *mf6c_stall;		/* pkts waiting for route */
	struct mf6c    *mf6c_next;		/* hash table linkage */
};

#define MF6C_INCOMPLETE_PARENT ((mifi_t)-1)

#define MF6CTBLSIZ	256
#if (MF6CTBLSIZ & (MF6CTBLSIZ - 1)) == 0	  /* from sys:route.h */
#define MF6CHASHMOD(h)	((h) & (MF6CTBLSIZ - 1))
#else
#define MF6CHASHMOD(h)	((h) % MF6CTBLSIZ)
#endif

#define MAX_UPQ6	4		/* max. no of pkts in upcall Q */

/*
 * Argument structure used for pkt info. while upcall is made
 */
#ifndef _NETINET_IP_MROUTE_H_
struct rtdetq {		/* XXX: rtdetq is also defined in ip_mroute.h */
    struct mbuf 	*m;		/* A copy of the packet	    	    */
    struct ifnet	*ifp;		/* Interface pkt came in on 	    */
#if UPCALL_TIMING
    struct timeval	t;		/* Timestamp */
#endif /* UPCALL_TIMING */
    struct rtdetq	*next;
};
#endif /* _NETINET_IP_MROUTE_H_ */

#ifdef KERNEL
extern struct mrt6stat mrt6stat;

int	ip6_mrouter_set(struct socket *so, struct sockopt *sopt);
int	ip6_mrouter_get(struct socket *so, struct sockopt *sopt);
int	ip6_mrouter_done(void);
int	mrt6_ioctl(int, caddr_t);
#endif /* KERNEL */
#endif /* PRIVATE */

#endif /* !_NETINET6_IP6_MROUTE_H_ */
Commit	Line	Data
9bccf70c A	1	/* $FreeBSD: src/sys/netinet6/ip6_mroute.h,v 1.2.2.2 2001/07/03 11:01:53 ume Exp $ */
9bccf70c A	2	/* $KAME: ip6_mroute.h,v 1.17 2001/02/10 02:05:52 itojun Exp $ */
1c79356b A	3
	4	/*
	5	* Copyright (C) 1998 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	/* BSDI ip_mroute.h,v 2.5 1996/10/11 16:01:48 pjd Exp */
	34
	35	/*
	36	* Definitions for IP multicast forwarding.
	37	*
	38	* Written by David Waitzman, BBN Labs, August 1988.
	39	* Modified by Steve Deering, Stanford, February 1989.
	40	* Modified by Ajit Thyagarajan, PARC, August 1993.
	41	* Modified by Ajit Thyagarajan, PARC, August 1994.
	42	* Modified by Ahmed Helmy, USC, September 1996.
	43	*
	44	* MROUTING Revision: 1.2
	45	*/
	46
	47	#ifndef _NETINET6_IP6_MROUTE_H_
	48	#define _NETINET6_IP6_MROUTE_H_
9bccf70c	49	#include <sys/appleapiopts.h>
1c79356b A	50
	51	/*
	52	* Multicast Routing set/getsockopt commands.
	53	*/
91447636	54	#ifdef KERNEL_PRIVATE
9bccf70c A	55	#define MRT6_OINIT 100 /* initialize forwarder (omrt6msg) */
9bccf70c A	56	#endif
1c79356b A	57	#define MRT6_DONE 101 /* shut down forwarder */
	58	#define MRT6_ADD_MIF 102 /* add multicast interface */
	59	#define MRT6_DEL_MIF 103 /* delete multicast interface */
	60	#define MRT6_ADD_MFC 104 /* insert forwarding cache entry */
	61	#define MRT6_DEL_MFC 105 /* delete forwarding cache entry */
	62	#define MRT6_PIM 107 /* enable pim code */
9bccf70c	63	#define MRT6_INIT 108 /* initialize forwarder (mrt6msg) */
1c79356b	64
91447636 A	65	#ifdef __APPLE__
91447636 A	66	#define GET_TIME(t) getmicrotime(&t)
1c79356b A	67	#endif
	68
	69	/*
	70	* Types and macros for handling bitmaps with one bit per multicast interface.
	71	*/
	72	typedef u_short mifi_t; /* type of a mif index */
	73	#define MAXMIFS 64
	74
	75	#ifndef IF_SETSIZE
	76	#define IF_SETSIZE 256
	77	#endif
	78
9bccf70c	79	typedef u_int32_t if_mask;
1c79356b A	80	#define NIFBITS (sizeof(if_mask) * NBBY) /* bits per mask */
	81
	82	#ifndef howmany
	83	#define howmany(x, y) (((x) + ((y) - 1)) / (y))
	84	#endif
	85
	86	typedef struct if_set {
9bccf70c	87	if_mask ifs_bits[howmany(IF_SETSIZE, NIFBITS)];
1c79356b A	88	} if_set;
	89
	90	#define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] \|= (1 << ((n) % NIFBITS)))
	91	#define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
	92	#define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
	93	#define IF_COPY(f, t) bcopy(f, t, sizeof(*(f)))
	94	#define IF_ZERO(p) bzero(p, sizeof(*(p)))
	95
	96	/*
	97	* Argument structure for MRT6_ADD_IF.
	98	*/
	99	struct mif6ctl {
	100	mifi_t mif6c_mifi; /* the index of the mif to be added */
	101	u_char mif6c_flags; /* MIFF_ flags defined below */
	102	u_short mif6c_pifi; /* the index of the physical IF */
	103	#if notyet
	104	u_int mif6c_rate_limit; /* max rate */
	105	#endif
	106	};
	107
	108	#define MIFF_REGISTER 0x1 /* mif represents a register end-point */
	109
	110	/*
	111	* Argument structure for MRT6_ADD_MFC and MRT6_DEL_MFC
	112	*/
	113	struct mf6cctl {
	114	struct sockaddr_in6 mf6cc_origin; /* IPv6 origin of mcasts */
	115	struct sockaddr_in6 mf6cc_mcastgrp; /* multicast group associated */
	116	mifi_t mf6cc_parent; /* incoming ifindex */
	117	struct if_set mf6cc_ifset; /* set of forwarding ifs */
	118	};
	119
	120	/*
	121	* The kernel's multicast routing statistics.
	122	*/
	123	struct mrt6stat {
	124	u_quad_t mrt6s_mfc_lookups; /* # forw. cache hash table hits */
	125	u_quad_t mrt6s_mfc_misses; /* # forw. cache hash table misses */
	126	u_quad_t mrt6s_upcalls; /* # calls to mrouted */
	127	u_quad_t mrt6s_no_route; /* no route for packet's origin */
	128	u_quad_t mrt6s_bad_tunnel; /* malformed tunnel options */
	129	u_quad_t mrt6s_cant_tunnel; /* no room for tunnel options */
	130	u_quad_t mrt6s_wrong_if; /* arrived on wrong interface */
	131	u_quad_t mrt6s_upq_ovflw; /* upcall Q overflow */
	132	u_quad_t mrt6s_cache_cleanups; /* # entries with no upcalls */
	133	u_quad_t mrt6s_drop_sel; /* pkts dropped selectively */
	134	u_quad_t mrt6s_q_overflow; /* pkts dropped - Q overflow */
	135	u_quad_t mrt6s_pkt2large; /* pkts dropped - size > BKT SIZE */
	136	u_quad_t mrt6s_upq_sockfull; /* upcalls dropped - socket full */
	137	};
	138
91447636	139	#ifdef KERNEL_PRIVATE
9bccf70c	140	#if MRT6_OINIT
1c79356b A	141	/*
	142	* Struct used to communicate from kernel to multicast router
	143	* note the convenient similarity to an IPv6 header.
9bccf70c	144	* XXX old version, superseded by mrt6msg.
1c79356b	145	*/
9bccf70c	146	struct omrt6msg {
1c79356b A	147	u_long unused1;
1c79356b A	148	u_char im6_msgtype; /* what type of message */
9bccf70c A	149	#if 0
9bccf70c A	150	#define MRT6MSG_NOCACHE 1
1c79356b A	151	#define MRT6MSG_WRONGMIF 2
1c79356b A	152	#define MRT6MSG_WHOLEPKT 3 /* used for user level encap*/
9bccf70c	153	#endif
1c79356b A	154	u_char im6_mbz; /* must be zero */
	155	u_char im6_mif; /* mif rec'd on */
	156	u_char unused2;
	157	struct in6_addr im6_src, im6_dst;
	158	};
9bccf70c	159	#endif
91447636	160	#endif KERNEL_PRIVATE
9bccf70c A	161
	162	/*
	163	* Structure used to communicate from kernel to multicast router.
	164	* We'll overlay the structure onto an MLD header (not an IPv6 header
	165	* like igmpmsg{} used for IPv4 implementation). This is because this
	166	* structure will be passed via an IPv6 raw socket, on which an application
	167	* will only receive the payload i.e. the data after the IPv6 header and all
	168	* the extension headers. (see Section 3 of draft-ietf-ipngwg-2292bis-01)
	169	*/
	170	struct mrt6msg {
	171	#define MRT6MSG_NOCACHE 1
	172	#define MRT6MSG_WRONGMIF 2
	173	#define MRT6MSG_WHOLEPKT 3 /* used for user level encap*/
	174	u_char im6_mbz; /* must be zero */
	175	u_char im6_msgtype; /* what type of message */
	176	u_int16_t im6_mif; /* mif rec'd on */
	177	u_int32_t im6_pad; /* padding for 64bit arch */
	178	struct in6_addr im6_src, im6_dst;
	179	};
1c79356b A	180
	181	/*
	182	* Argument structure used by multicast routing daemon to get src-grp
	183	* packet counts
	184	*/
	185	struct sioc_sg_req6 {
	186	struct sockaddr_in6 src;
	187	struct sockaddr_in6 grp;
	188	u_quad_t pktcnt;
	189	u_quad_t bytecnt;
	190	u_quad_t wrong_if;
	191	};
	192
	193	/*
	194	* Argument structure used by mrouted to get mif pkt counts
	195	*/
	196	struct sioc_mif_req6 {
	197	mifi_t mifi; /* mif number */
	198	u_quad_t icount; /* Input packet count on mif */
	199	u_quad_t ocount; /* Output packet count on mif */
	200	u_quad_t ibytes; /* Input byte count on mif */
	201	u_quad_t obytes; /* Output byte count on mif */
	202	};
	203
91447636	204	#ifdef PRIVATE
1c79356b A	205	/*
	206	* The kernel's multicast-interface structure.
	207	*/
	208	struct mif6 {
	209	u_char m6_flags; /* MIFF_ flags defined above */
	210	u_int m6_rate_limit; /* max rate */
	211	#if notyet
	212	struct tbf m6_tbf; / token bucket structure at intf. */
	213	#endif
	214	struct in6_addr m6_lcl_addr; /* local interface address */
	215	struct ifnet m6_ifp; / pointer to interface */
	216	u_quad_t m6_pkt_in; /* # pkts in on interface */
	217	u_quad_t m6_pkt_out; /* # pkts out on interface */
	218	u_quad_t m6_bytes_in; /* # bytes in on interface */
	219	u_quad_t m6_bytes_out; /* # bytes out on interface */
	220	struct route_in6 m6_route;/* cached route if this is a tunnel */
	221	#if notyet
	222	u_int m6_rsvp_on; /* RSVP listening on this vif */
	223	struct socket m6_rsvpd; / RSVP daemon socket */
	224	#endif
	225	};
	226
	227	/*
	228	* The kernel's multicast forwarding cache entry structure
	229	*/
	230	struct mf6c {
	231	struct sockaddr_in6 mf6c_origin; /* IPv6 origin of mcasts */
	232	struct sockaddr_in6 mf6c_mcastgrp; /* multicast group associated*/
	233	mifi_t mf6c_parent; /* incoming IF */
	234	struct if_set mf6c_ifset; /* set of outgoing IFs */
	235
	236	u_quad_t mf6c_pkt_cnt; /* pkt count for src-grp */
	237	u_quad_t mf6c_byte_cnt; /* byte count for src-grp */
	238	u_quad_t mf6c_wrong_if; /* wrong if for src-grp */
	239	int mf6c_expire; /* time to clean entry up */
	240	struct timeval mf6c_last_assert; /* last time I sent an assert*/
	241	struct rtdetq mf6c_stall; / pkts waiting for route */
	242	struct mf6c mf6c_next; / hash table linkage */
	243	};
	244
	245	#define MF6C_INCOMPLETE_PARENT ((mifi_t)-1)
	246
91447636 A	247	#define MF6CTBLSIZ 256
	248	#if (MF6CTBLSIZ & (MF6CTBLSIZ - 1)) == 0 /* from sys:route.h */
	249	#define MF6CHASHMOD(h) ((h) & (MF6CTBLSIZ - 1))
	250	#else
	251	#define MF6CHASHMOD(h) ((h) % MF6CTBLSIZ)
	252	#endif
	253
	254	#define MAX_UPQ6 4 /* max. no of pkts in upcall Q */
	255
1c79356b A	256	/*
	257	* Argument structure used for pkt info. while upcall is made
	258	*/
	259	#ifndef _NETINET_IP_MROUTE_H_
	260	struct rtdetq { /* XXX: rtdetq is also defined in ip_mroute.h */
	261	struct mbuf m; / A copy of the packet */
	262	struct ifnet ifp; / Interface pkt came in on */
	263	#if UPCALL_TIMING
	264	struct timeval t; /* Timestamp */
	265	#endif /* UPCALL_TIMING */
	266	struct rtdetq *next;
	267	};
	268	#endif /* _NETINET_IP_MROUTE_H_ */
	269
91447636 A	270	#ifdef KERNEL
91447636 A	271	extern struct mrt6stat mrt6stat;
1c79356b	272
91447636 A	273	int ip6_mrouter_set(struct socket so, struct sockopt sopt);
	274	int ip6_mrouter_get(struct socket so, struct sockopt sopt);
	275	int ip6_mrouter_done(void);
	276	int mrt6_ioctl(int, caddr_t);
1c79356b	277	#endif /* KERNEL */
91447636	278	#endif /* PRIVATE */
1c79356b A	279
1c79356b A	280	#endif /* !_NETINET6_IP6_MROUTE_H_ */