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ip_mroute.h revision 1.27.2.1
      1  1.27.2.1        ad /*	$NetBSD: ip_mroute.h,v 1.27.2.1 2007/07/01 21:50:50 ad Exp $	*/
      2      1.24      manu 
      3      1.24      manu #ifndef _NETINET_IP_MROUTE_H_
      4      1.24      manu #define _NETINET_IP_MROUTE_H_
      5       1.6       cgd 
      6       1.1   hpeyerl /*
      7       1.9   mycroft  * Definitions for IP multicast forwarding.
      8       1.1   hpeyerl  *
      9       1.1   hpeyerl  * Written by David Waitzman, BBN Labs, August 1988.
     10       1.1   hpeyerl  * Modified by Steve Deering, Stanford, February 1989.
     11       1.9   mycroft  * Modified by Ajit Thyagarajan, PARC, August 1993.
     12       1.9   mycroft  * Modified by Ajit Thyagarajan, PARC, August 1994.
     13      1.24      manu  * Modified by Ahmed Helmy, SGI, June 1996.
     14      1.24      manu  * Modified by Pavlin Radoslavov, ICSI, October 2002.
     15       1.1   hpeyerl  *
     16       1.9   mycroft  * MROUTING Revision: 1.2
     17      1.24      manu  * and PIM-SMv2 and PIM-DM support, advanced API support,
     18      1.24      manu  * bandwidth metering and signaling.
     19       1.1   hpeyerl  */
     20       1.1   hpeyerl 
     21       1.9   mycroft #include <sys/queue.h>
     22      1.18   thorpej #include <sys/callout.h>
     23       1.1   hpeyerl 
     24       1.1   hpeyerl /*
     25       1.9   mycroft  * Multicast Routing set/getsockopt commands.
     26       1.1   hpeyerl  */
     27       1.9   mycroft #define	MRT_INIT		100	/* initialize forwarder */
     28       1.9   mycroft #define	MRT_DONE		101	/* shut down forwarder */
     29       1.9   mycroft #define	MRT_ADD_VIF		102	/* create virtual interface */
     30       1.9   mycroft #define	MRT_DEL_VIF		103	/* delete virtual interface */
     31       1.9   mycroft #define	MRT_ADD_MFC		104	/* insert forwarding cache entry */
     32       1.9   mycroft #define	MRT_DEL_MFC		105	/* delete forwarding cache entry */
     33       1.9   mycroft #define	MRT_VERSION		106	/* get kernel version number */
     34      1.24      manu #define	MRT_ASSERT		107	/* enable assert processing */
     35      1.24      manu #define MRT_PIM			MRT_ASSERT /* enable PIM processing */
     36      1.24      manu #define MRT_API_SUPPORT		109	/* supported MRT API */
     37      1.24      manu #define MRT_API_CONFIG		110	/* config MRT API */
     38      1.24      manu #define MRT_ADD_BW_UPCALL	111	/* create bandwidth monitor */
     39      1.24      manu #define MRT_DEL_BW_UPCALL	112	/* delete bandwidth monitor */
     40       1.1   hpeyerl 
     41       1.1   hpeyerl 
     42       1.1   hpeyerl /*
     43       1.1   hpeyerl  * Types and macros for handling bitmaps with one bit per virtual interface.
     44       1.1   hpeyerl  */
     45       1.1   hpeyerl #define	MAXVIFS 32
     46       1.8       cgd typedef u_int32_t vifbitmap_t;
     47       1.9   mycroft typedef u_int16_t vifi_t;		/* type of a vif index */
     48       1.1   hpeyerl 
     49       1.9   mycroft #define	VIFM_SET(n, m)			((m) |= (1 << (n)))
     50       1.9   mycroft #define	VIFM_CLR(n, m)			((m) &= ~(1 << (n)))
     51       1.9   mycroft #define	VIFM_ISSET(n, m)		((m) & (1 << (n)))
     52       1.9   mycroft #define	VIFM_SETALL(m)			((m) = 0xffffffff)
     53       1.9   mycroft #define	VIFM_CLRALL(m)			((m) = 0x00000000)
     54       1.9   mycroft #define	VIFM_COPY(mfrom, mto)		((mto) = (mfrom))
     55       1.9   mycroft #define	VIFM_SAME(m1, m2)		((m1) == (m2))
     56       1.1   hpeyerl 
     57       1.9   mycroft #define	VIFF_TUNNEL	0x1		/* vif represents a tunnel end-point */
     58       1.9   mycroft #define	VIFF_SRCRT	0x2		/* tunnel uses IP src routing */
     59      1.24      manu #define VIFF_REGISTER	0x4		/* used for PIM Register encap/decap */
     60       1.1   hpeyerl 
     61       1.1   hpeyerl /*
     62       1.9   mycroft  * Argument structure for MRT_ADD_VIF.
     63       1.9   mycroft  * (MRT_DEL_VIF takes a single vifi_t argument.)
     64       1.1   hpeyerl  */
     65       1.1   hpeyerl struct vifctl {
     66       1.9   mycroft 	vifi_t	  vifc_vifi;	    	/* the index of the vif to be added */
     67       1.9   mycroft 	u_int8_t  vifc_flags;     	/* VIFF_ flags defined below */
     68       1.9   mycroft 	u_int8_t  vifc_threshold; 	/* min ttl required to forward on vif */
     69       1.9   mycroft 	u_int32_t vifc_rate_limit;	/* max rate */
     70       1.9   mycroft 	struct	  in_addr vifc_lcl_addr;/* local interface address */
     71       1.9   mycroft 	struct	  in_addr vifc_rmt_addr;/* remote address (tunnels only) */
     72       1.1   hpeyerl };
     73       1.1   hpeyerl 
     74       1.1   hpeyerl /*
     75       1.9   mycroft  * Argument structure for MRT_ADD_MFC and MRT_DEL_MFC.
     76      1.24      manu  * XXX if you change this, make sure to change struct mfcctl2 as well.
     77       1.1   hpeyerl  */
     78       1.9   mycroft struct mfcctl {
     79       1.9   mycroft 	struct	 in_addr mfcc_origin;	/* ip origin of mcasts */
     80       1.9   mycroft 	struct	 in_addr mfcc_mcastgrp;	/* multicast group associated */
     81       1.9   mycroft 	vifi_t	 mfcc_parent;		/* incoming vif */
     82       1.9   mycroft 	u_int8_t mfcc_ttls[MAXVIFS];	/* forwarding ttls on vifs */
     83       1.1   hpeyerl };
     84      1.20    itojun 
     85       1.1   hpeyerl /*
     86      1.24      manu  * The new argument structure for MRT_ADD_MFC and MRT_DEL_MFC overlays
     87      1.24      manu  * and extends the old struct mfcctl.
     88      1.24      manu  */
     89      1.24      manu struct mfcctl2 {
     90      1.24      manu 	/* the mfcctl fields */
     91      1.24      manu 	struct in_addr	mfcc_origin;		/* ip origin of mcasts	     */
     92      1.24      manu 	struct in_addr	mfcc_mcastgrp;		/* multicast group associated*/
     93      1.24      manu 	vifi_t		mfcc_parent;		/* incoming vif		     */
     94      1.24      manu 	u_int8_t	mfcc_ttls[MAXVIFS]; 	/* forwarding ttls on vifs   */
     95      1.24      manu 
     96      1.24      manu 	/* extension fields */
     97      1.24      manu 	u_int8_t	mfcc_flags[MAXVIFS];	/* the MRT_MFC_FLAGS_* flags */
     98      1.24      manu 	struct in_addr	mfcc_rp;		/* the RP address            */
     99      1.24      manu };
    100      1.24      manu /*
    101      1.24      manu  * The advanced-API flags.
    102      1.24      manu  *
    103      1.24      manu  * The MRT_MFC_FLAGS_XXX API flags are also used as flags
    104      1.24      manu  * for the mfcc_flags field.
    105      1.24      manu  */
    106      1.24      manu #define	MRT_MFC_FLAGS_DISABLE_WRONGVIF	(1 << 0) /* disable WRONGVIF signals */
    107      1.24      manu #define	MRT_MFC_FLAGS_BORDER_VIF	(1 << 1) /* border vif		     */
    108      1.24      manu #define MRT_MFC_RP			(1 << 8) /* enable RP address	     */
    109      1.24      manu #define MRT_MFC_BW_UPCALL		(1 << 9) /* enable bw upcalls	     */
    110      1.24      manu #define MRT_MFC_FLAGS_ALL		(MRT_MFC_FLAGS_DISABLE_WRONGVIF |    \
    111      1.24      manu 					 MRT_MFC_FLAGS_BORDER_VIF)
    112      1.24      manu #define MRT_API_FLAGS_ALL		(MRT_MFC_FLAGS_ALL |		     \
    113      1.24      manu 					 MRT_MFC_RP |			     \
    114      1.24      manu 					 MRT_MFC_BW_UPCALL)
    115      1.24      manu 
    116      1.24      manu /*
    117      1.24      manu  * Structure for installing or delivering an upcall if the
    118      1.24      manu  * measured bandwidth is above or below a threshold.
    119      1.24      manu  *
    120      1.24      manu  * User programs (e.g. daemons) may have a need to know when the
    121      1.24      manu  * bandwidth used by some data flow is above or below some threshold.
    122      1.24      manu  * This interface allows the userland to specify the threshold (in
    123      1.24      manu  * bytes and/or packets) and the measurement interval. Flows are
    124      1.24      manu  * all packet with the same source and destination IP address.
    125      1.24      manu  * At the moment the code is only used for multicast destinations
    126      1.24      manu  * but there is nothing that prevents its use for unicast.
    127      1.24      manu  *
    128      1.24      manu  * The measurement interval cannot be shorter than some Tmin (currently, 3s).
    129      1.24      manu  * The threshold is set in packets and/or bytes per_interval.
    130      1.24      manu  *
    131      1.24      manu  * Measurement works as follows:
    132      1.24      manu  *
    133      1.25     perry  * For >= measurements:
    134      1.24      manu  * The first packet marks the start of a measurement interval.
    135      1.24      manu  * During an interval we count packets and bytes, and when we
    136      1.24      manu  * pass the threshold we deliver an upcall and we are done.
    137      1.24      manu  * The first packet after the end of the interval resets the
    138      1.24      manu  * count and restarts the measurement.
    139      1.24      manu  *
    140      1.24      manu  * For <= measurement:
    141      1.24      manu  * We start a timer to fire at the end of the interval, and
    142      1.24      manu  * then for each incoming packet we count packets and bytes.
    143      1.24      manu  * When the timer fires, we compare the value with the threshold,
    144      1.24      manu  * schedule an upcall if we are below, and restart the measurement
    145      1.24      manu  * (reschedule timer and zero counters).
    146      1.24      manu  */
    147      1.24      manu 
    148      1.24      manu struct bw_data {
    149      1.24      manu 	struct timeval	b_time;
    150      1.24      manu 	u_int64_t	b_packets;
    151      1.24      manu 	u_int64_t	b_bytes;
    152      1.24      manu };
    153      1.24      manu 
    154      1.24      manu struct bw_upcall {
    155      1.24      manu 	struct in_addr	bu_src;			/* source address            */
    156      1.24      manu 	struct in_addr	bu_dst;			/* destination address       */
    157      1.24      manu 	u_int32_t	bu_flags;		/* misc flags (see below)    */
    158      1.24      manu #define BW_UPCALL_UNIT_PACKETS   (1 << 0)	/* threshold (in packets)    */
    159      1.24      manu #define BW_UPCALL_UNIT_BYTES     (1 << 1)	/* threshold (in bytes)      */
    160      1.24      manu #define BW_UPCALL_GEQ            (1 << 2)	/* upcall if bw >= threshold */
    161      1.24      manu #define BW_UPCALL_LEQ            (1 << 3)	/* upcall if bw <= threshold */
    162      1.24      manu #define BW_UPCALL_DELETE_ALL     (1 << 4)	/* delete all upcalls for s,d*/
    163      1.24      manu 	struct bw_data	bu_threshold;		/* the bw threshold	     */
    164      1.24      manu 	struct bw_data	bu_measured;		/* the measured bw	     */
    165      1.24      manu };
    166      1.24      manu 
    167      1.24      manu /* max. number of upcalls to deliver together */
    168      1.24      manu #define BW_UPCALLS_MAX				128
    169      1.24      manu /* min. threshold time interval for bandwidth measurement */
    170      1.24      manu #define BW_UPCALL_THRESHOLD_INTERVAL_MIN_SEC	3
    171      1.24      manu #define BW_UPCALL_THRESHOLD_INTERVAL_MIN_USEC	0
    172      1.24      manu 
    173      1.24      manu /*
    174       1.9   mycroft  * Argument structure used by mrouted to get src-grp pkt counts.
    175       1.1   hpeyerl  */
    176       1.9   mycroft struct sioc_sg_req {
    177       1.9   mycroft 	struct	in_addr src;
    178       1.9   mycroft 	struct	in_addr grp;
    179       1.9   mycroft 	u_long	pktcnt;
    180       1.9   mycroft 	u_long	bytecnt;
    181       1.9   mycroft 	u_long	wrong_if;
    182       1.1   hpeyerl };
    183      1.20    itojun 
    184       1.1   hpeyerl /*
    185       1.9   mycroft  * Argument structure used by mrouted to get vif pkt counts.
    186       1.1   hpeyerl  */
    187       1.9   mycroft struct sioc_vif_req {
    188       1.9   mycroft 	vifi_t	vifi;			/* vif number */
    189       1.9   mycroft 	u_long	icount;			/* input packet count on vif */
    190       1.9   mycroft 	u_long	ocount;			/* output packet count on vif */
    191       1.9   mycroft 	u_long	ibytes;			/* input byte count on vif */
    192       1.9   mycroft 	u_long	obytes;			/* output byte count on vif */
    193       1.1   hpeyerl };
    194       1.1   hpeyerl 
    195       1.1   hpeyerl 
    196       1.1   hpeyerl /*
    197       1.1   hpeyerl  * The kernel's multicast routing statistics.
    198       1.1   hpeyerl  */
    199       1.1   hpeyerl struct mrtstat {
    200       1.9   mycroft 	u_long	mrts_mfc_lookups;	/* # forw. cache hash table hits */
    201       1.9   mycroft 	u_long	mrts_mfc_misses;	/* # forw. cache hash table misses */
    202       1.9   mycroft 	u_long	mrts_upcalls;		/* # calls to mrouted */
    203       1.1   hpeyerl 	u_long	mrts_no_route;		/* no route for packet's origin */
    204       1.1   hpeyerl 	u_long	mrts_bad_tunnel;	/* malformed tunnel options */
    205       1.1   hpeyerl 	u_long	mrts_cant_tunnel;	/* no room for tunnel options */
    206       1.5    brezak 	u_long	mrts_wrong_if;		/* arrived on wrong interface */
    207       1.9   mycroft 	u_long	mrts_upq_ovflw;		/* upcall Q overflow */
    208       1.9   mycroft 	u_long	mrts_cache_cleanups;	/* # entries with no upcalls */
    209       1.9   mycroft 	u_long	mrts_drop_sel;     	/* pkts dropped selectively */
    210       1.9   mycroft 	u_long	mrts_q_overflow;    	/* pkts dropped - Q overflow */
    211       1.9   mycroft 	u_long	mrts_pkt2large;     	/* pkts dropped - size > BKT SIZE */
    212       1.9   mycroft 	u_long	mrts_upq_sockfull;	/* upcalls dropped - socket full */
    213       1.9   mycroft };
    214      1.20    itojun 
    215       1.9   mycroft 
    216       1.9   mycroft #ifdef _KERNEL
    217       1.9   mycroft 
    218       1.9   mycroft /*
    219       1.9   mycroft  * The kernel's virtual-interface structure.
    220       1.9   mycroft  */
    221      1.19    itojun struct encaptab;
    222       1.9   mycroft struct vif {
    223      1.12   mycroft 	struct	  mbuf *tbf_q, **tbf_t;	/* packet queue */
    224      1.12   mycroft 	struct	  timeval tbf_last_pkt_t; /* arr. time of last pkt */
    225      1.12   mycroft 	u_int32_t tbf_n_tok;		/* no of tokens in bucket */
    226      1.12   mycroft 	u_int32_t tbf_q_len;		/* length of queue at this vif */
    227      1.12   mycroft 	u_int32_t tbf_max_q_len;	/* max. queue length */
    228      1.12   mycroft 
    229       1.9   mycroft 	u_int8_t  v_flags;		/* VIFF_ flags defined above */
    230       1.9   mycroft 	u_int8_t  v_threshold;		/* min ttl required to forward on vif */
    231       1.9   mycroft 	u_int32_t v_rate_limit;		/* max rate */
    232       1.9   mycroft 	struct	  in_addr v_lcl_addr;	/* local interface address */
    233       1.9   mycroft 	struct	  in_addr v_rmt_addr;	/* remote address (tunnels only) */
    234       1.9   mycroft 	struct	  ifnet *v_ifp;		/* pointer to interface */
    235       1.9   mycroft 	u_long	  v_pkt_in;		/* # pkts in on interface */
    236       1.9   mycroft 	u_long	  v_pkt_out;		/* # pkts out on interface */
    237       1.9   mycroft 	u_long	  v_bytes_in;		/* # bytes in on interface */
    238       1.9   mycroft 	u_long	  v_bytes_out;		/* # bytes out on interface */
    239       1.9   mycroft 	struct	  route v_route;	/* cached route if this is a tunnel */
    240  1.27.2.1        ad 	callout_t v_repq_ch;		/* for tbf_reprocess_q() */
    241       1.9   mycroft #ifdef RSVP_ISI
    242       1.9   mycroft 	int	  v_rsvp_on;		/* # RSVP listening on this vif */
    243       1.9   mycroft 	struct	  socket *v_rsvpd;	/* # RSVPD daemon */
    244       1.9   mycroft #endif /* RSVP_ISI */
    245      1.19    itojun 	const struct encaptab *v_encap_cookie;
    246       1.9   mycroft };
    247       1.9   mycroft 
    248       1.9   mycroft /*
    249       1.9   mycroft  * The kernel's multicast forwarding cache entry structure.
    250      1.20    itojun  * (A field for the type of service (mfc_tos) is to be added
    251       1.9   mycroft  * at a future point.)
    252       1.9   mycroft  */
    253       1.9   mycroft struct mfc {
    254       1.9   mycroft 	LIST_ENTRY(mfc) mfc_hash;
    255       1.9   mycroft 	struct	 in_addr mfc_origin;	 	/* ip origin of mcasts */
    256       1.9   mycroft 	struct	 in_addr mfc_mcastgrp;  	/* multicast group associated */
    257       1.9   mycroft 	vifi_t	 mfc_parent;			/* incoming vif */
    258       1.9   mycroft 	u_int8_t mfc_ttls[MAXVIFS]; 		/* forwarding ttls on vifs */
    259       1.9   mycroft 	u_long	 mfc_pkt_cnt;			/* pkt count for src-grp */
    260       1.9   mycroft 	u_long	 mfc_byte_cnt;			/* byte count for src-grp */
    261       1.9   mycroft 	u_long	 mfc_wrong_if;			/* wrong if for src-grp	*/
    262       1.9   mycroft 	int	 mfc_expire;			/* time to clean entry up */
    263       1.9   mycroft 	struct	 timeval mfc_last_assert;	/* last time I sent an assert */
    264       1.9   mycroft 	struct	 rtdetq *mfc_stall;		/* pkts waiting for route */
    265      1.24      manu 	u_int8_t mfc_flags[MAXVIFS];		/* the MRT_MFC_FLAGS_* flags */
    266      1.24      manu 	struct	 in_addr mfc_rp;		/* the RP address	     */
    267      1.24      manu 	struct	 bw_meter *mfc_bw_meter;	/* list of bandwidth meters  */
    268       1.9   mycroft };
    269       1.9   mycroft 
    270       1.9   mycroft /*
    271       1.9   mycroft  * Structure used to communicate from kernel to multicast router.
    272       1.9   mycroft  * (Note the convenient similarity to an IP packet.)
    273       1.9   mycroft  */
    274       1.9   mycroft struct igmpmsg {
    275       1.9   mycroft 	u_int32_t unused1;
    276       1.9   mycroft 	u_int32_t unused2;
    277       1.9   mycroft 	u_int8_t  im_msgtype;		/* what type of message */
    278      1.24      manu #define IGMPMSG_NOCACHE		1	/* no MFC in the kernel		    */
    279      1.24      manu #define IGMPMSG_WRONGVIF	2	/* packet came from wrong interface */
    280      1.24      manu #define	IGMPMSG_WHOLEPKT	3	/* PIM pkt for user level encap.    */
    281      1.24      manu #define	IGMPMSG_BW_UPCALL	4	/* BW monitoring upcall		    */
    282       1.9   mycroft 	u_int8_t  im_mbz;		/* must be zero */
    283       1.9   mycroft 	u_int8_t  im_vif;		/* vif rec'd on */
    284       1.9   mycroft 	u_int8_t  unused3;
    285       1.9   mycroft 	struct	  in_addr im_src, im_dst;
    286      1.17   thorpej } __attribute__((__packed__));
    287       1.9   mycroft 
    288       1.9   mycroft /*
    289       1.9   mycroft  * Argument structure used for pkt info. while upcall is made.
    290       1.9   mycroft  */
    291       1.9   mycroft struct rtdetq {
    292       1.9   mycroft 	struct	mbuf *m;		/* a copy of the packet */
    293       1.9   mycroft 	struct	ifnet *ifp;		/* interface pkt came in on */
    294       1.9   mycroft #ifdef UPCALL_TIMING
    295       1.9   mycroft 	struct	timeval t;		/* timestamp */
    296       1.9   mycroft #endif /* UPCALL_TIMING */
    297       1.9   mycroft 	struct	rtdetq *next;
    298       1.9   mycroft };
    299       1.9   mycroft 
    300       1.9   mycroft #define	MFCTBLSIZ	256
    301       1.9   mycroft #define	MAX_UPQ		4		/* max. no of pkts in upcall Q */
    302      1.20    itojun 
    303       1.9   mycroft /*
    304      1.20    itojun  * Token bucket filter code
    305       1.9   mycroft  */
    306       1.9   mycroft #define	MAX_BKT_SIZE    10000		/* 10K bytes size */
    307       1.9   mycroft #define	MAXQSIZE        10		/* max. no of pkts in token queue */
    308      1.20    itojun 
    309      1.24      manu /*
    310      1.24      manu  * Structure for measuring the bandwidth and sending an upcall if the
    311      1.24      manu  * measured bandwidth is above or below a threshold.
    312      1.24      manu  */
    313      1.24      manu struct bw_meter {
    314      1.24      manu 	struct bw_meter	*bm_mfc_next;		/* next bw meter (same mfc)  */
    315      1.24      manu 	struct bw_meter	*bm_time_next;		/* next bw meter (same time) */
    316      1.24      manu 	uint32_t	bm_time_hash;		/* the time hash value       */
    317      1.24      manu 	struct mfc	*bm_mfc;		/* the corresponding mfc     */
    318      1.24      manu 	uint32_t	bm_flags;		/* misc flags (see below)    */
    319      1.24      manu #define BW_METER_UNIT_PACKETS	(1 << 0)	/* threshold (in packets)    */
    320      1.24      manu #define BW_METER_UNIT_BYTES	(1 << 1)	/* threshold (in bytes)      */
    321      1.24      manu #define BW_METER_GEQ		(1 << 2)	/* upcall if bw >= threshold */
    322      1.24      manu #define BW_METER_LEQ		(1 << 3)	/* upcall if bw <= threshold */
    323      1.24      manu #define BW_METER_USER_FLAGS 	(BW_METER_UNIT_PACKETS |		\
    324      1.24      manu 				 BW_METER_UNIT_BYTES |			\
    325      1.24      manu 				 BW_METER_GEQ |				\
    326      1.24      manu 				 BW_METER_LEQ)
    327      1.24      manu 
    328      1.24      manu #define BW_METER_UPCALL_DELIVERED (1 << 24)	/* upcall was delivered      */
    329      1.24      manu 
    330      1.24      manu 	struct bw_data	bm_threshold;		/* the upcall threshold	     */
    331      1.24      manu 	struct bw_data	bm_measured;		/* the measured bw	     */
    332      1.24      manu 	struct timeval	bm_start_time;		/* abs. time		     */
    333      1.24      manu };
    334      1.12   mycroft 
    335      1.24      manu int	ip_mrouter_set(struct socket *, int, struct mbuf **);
    336      1.24      manu int	ip_mrouter_get(struct socket *, int, struct mbuf **);
    337      1.27  christos int	mrt_ioctl(struct socket *, u_long, void *);
    338      1.24      manu int	ip_mrouter_done(void);
    339      1.24      manu void	ip_mrouter_detach(struct ifnet *);
    340      1.24      manu void	reset_vif(struct vif *);
    341      1.10  christos #ifdef RSVP_ISI
    342      1.24      manu int	ip_mforward(struct mbuf *, struct ifnet *, struct ip_moptions *);
    343      1.24      manu int	legal_vif_num(int);
    344      1.24      manu int	ip_rsvp_vif_init(struct socket *, struct mbuf *);
    345      1.24      manu int	ip_rsvp_vif_done(struct socket *, struct mbuf *);
    346      1.24      manu void	ip_rsvp_force_done(struct socket *);
    347      1.24      manu void	rsvp_input(struct mbuf *, int, int);
    348      1.10  christos #else
    349      1.24      manu int	ip_mforward(struct mbuf *, struct ifnet *);
    350      1.10  christos #endif
    351       1.9   mycroft 
    352       1.7       jtc #endif /* _KERNEL */
    353      1.13     perry 
    354      1.26      elad #endif /* !_NETINET_IP_MROUTE_H_ */
    355