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//==========================================================================
//
//      include/netinet/ip_mroute.h
//
//      
//
//==========================================================================
//####BSDCOPYRIGHTBEGIN####
//
// -------------------------------------------
//
// Portions of this software may have been derived from OpenBSD or other sources,
// and are covered by the appropriate copyright disclaimers included herein.
//
// -------------------------------------------
//
//####BSDCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    gthomas
// Contributors: gthomas
// Date:         2000-01-10
// Purpose:      
// Description:  
//              
//
//####DESCRIPTIONEND####
//
//==========================================================================
 
 
/*      $OpenBSD: ip_mroute.h,v 1.5 1999/12/08 06:50:20 itojun Exp $    */
/*      $NetBSD: ip_mroute.h,v 1.10 1996/02/13 23:42:55 christos 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.
 *
 * MROUTING Revision: 1.2
 */
 
#ifndef _NETINET_IP_MROUTE_H_
#define _NETINET_IP_MROUTE_H_
 
#include <sys/queue.h>
 
/*
 * Multicast Routing set/getsockopt commands.
 */
#define MRT_INIT                100     /* initialize forwarder */
#define MRT_DONE                101     /* shut down forwarder */
#define MRT_ADD_VIF             102     /* create virtual interface */
#define MRT_DEL_VIF             103     /* delete virtual interface */
#define MRT_ADD_MFC             104     /* insert forwarding cache entry */
#define MRT_DEL_MFC             105     /* delete forwarding cache entry */
#define MRT_VERSION             106     /* get kernel version number */
#define MRT_ASSERT              107     /* enable PIM assert processing */
 
 
/*
 * Types and macros for handling bitmaps with one bit per virtual interface.
 */
#define MAXVIFS 32
typedef u_int32_t vifbitmap_t;
typedef u_int16_t vifi_t;               /* type of a vif index */
 
#define VIFM_SET(n, m)                  ((m) |= (1 << (n)))
#define VIFM_CLR(n, m)                  ((m) &= ~(1 << (n)))
#define VIFM_ISSET(n, m)                ((m) & (1 << (n)))
#define VIFM_SETALL(m)                  ((m) = 0xffffffff)
#define VIFM_CLRALL(m)                  ((m) = 0x00000000)
#define VIFM_COPY(mfrom, mto)           ((mto) = (mfrom))
#define VIFM_SAME(m1, m2)               ((m1) == (m2))
 
#define VIFF_TUNNEL     0x1             /* vif represents a tunnel end-point */
#define VIFF_SRCRT      0x2             /* tunnel uses IP src routing */
 
/*
 * Argument structure for MRT_ADD_VIF.
 * (MRT_DEL_VIF takes a single vifi_t argument.)
 */
struct vifctl {
        vifi_t    vifc_vifi;            /* the index of the vif to be added */
        u_int8_t  vifc_flags;           /* VIFF_ flags defined below */
        u_int8_t  vifc_threshold;       /* min ttl required to forward on vif */
        u_int32_t vifc_rate_limit;      /* max rate */
        struct    in_addr vifc_lcl_addr;/* local interface address */
        struct    in_addr vifc_rmt_addr;/* remote address (tunnels only) */
};
 
/*
 * Argument structure for MRT_ADD_MFC and MRT_DEL_MFC.
 * (mfcc_tos to be added at a future point)
 */
struct mfcctl {
        struct   in_addr mfcc_origin;   /* ip origin of mcasts */
        struct   in_addr mfcc_mcastgrp; /* multicast group associated */
        vifi_t   mfcc_parent;           /* incoming vif */
        u_int8_t mfcc_ttls[MAXVIFS];    /* forwarding ttls on vifs */
};
 
/*
 * Argument structure used by mrouted to get src-grp pkt counts.
 */
struct sioc_sg_req {
        struct  in_addr src;
        struct  in_addr grp;
        u_long  pktcnt;
        u_long  bytecnt;
        u_long  wrong_if;
};
 
/*
 * Argument structure used by mrouted to get vif pkt counts.
 */
struct sioc_vif_req {
        vifi_t  vifi;                   /* vif number */
        u_long  icount;                 /* input packet count on vif */
        u_long  ocount;                 /* output packet count on vif */
        u_long  ibytes;                 /* input byte count on vif */
        u_long  obytes;                 /* output byte count on vif */
};
 
 
/*
 * The kernel's multicast routing statistics.
 */
struct mrtstat {
        u_long  mrts_mfc_lookups;       /* # forw. cache hash table hits */
        u_long  mrts_mfc_misses;        /* # forw. cache hash table misses */
        u_long  mrts_upcalls;           /* # calls to mrouted */
        u_long  mrts_no_route;          /* no route for packet's origin */
        u_long  mrts_bad_tunnel;        /* malformed tunnel options */
        u_long  mrts_cant_tunnel;       /* no room for tunnel options */
        u_long  mrts_wrong_if;          /* arrived on wrong interface */
        u_long  mrts_upq_ovflw;         /* upcall Q overflow */
        u_long  mrts_cache_cleanups;    /* # entries with no upcalls */
        u_long  mrts_drop_sel;          /* pkts dropped selectively */
        u_long  mrts_q_overflow;        /* pkts dropped - Q overflow */
        u_long  mrts_pkt2large;         /* pkts dropped - size > BKT SIZE */
        u_long  mrts_upq_sockfull;      /* upcalls dropped - socket full */
};
 
 
#ifdef _KERNEL
 
/*
 * Token bucket filter at each vif
 */
struct tbf {
        u_int32_t last_pkt_t;           /* arr. time of last pkt */
        u_int32_t n_tok;                /* no of tokens in bucket */
        u_int32_t q_len;                /* length of queue at this vif */
};
 
/*
 * The kernel's virtual-interface structure.
 */
struct vif {
        u_int8_t  v_flags;              /* VIFF_ flags defined above */
        u_int8_t  v_threshold;          /* min ttl required to forward on vif */
        u_int32_t v_rate_limit;         /* max rate */
        struct    tbf v_tbf;            /* token bucket structure at intf. */
        struct    in_addr v_lcl_addr;   /* local interface address */
        struct    in_addr v_rmt_addr;   /* remote address (tunnels only) */
        struct    ifnet *v_ifp;         /* pointer to interface */
        u_long    v_pkt_in;             /* # pkts in on interface */
        u_long    v_pkt_out;            /* # pkts out on interface */
        u_long    v_bytes_in;           /* # bytes in on interface */
        u_long    v_bytes_out;          /* # bytes out on interface */
        struct    route v_route;        /* cached route if this is a tunnel */
#ifdef RSVP_ISI
        int       v_rsvp_on;            /* # RSVP listening on this vif */
        struct    socket *v_rsvpd;      /* # RSVPD daemon */
#endif /* RSVP_ISI */
};
 
/*
 * The kernel's multicast forwarding cache entry structure.
 * (A field for the type of service (mfc_tos) is to be added
 * at a future point.)
 */
struct mfc {
        LIST_ENTRY(mfc) mfc_hash;
        struct   in_addr mfc_origin;            /* ip origin of mcasts */
        struct   in_addr mfc_mcastgrp;          /* multicast group associated */
        vifi_t   mfc_parent;                    /* incoming vif */
        u_int8_t mfc_ttls[MAXVIFS];             /* forwarding ttls on vifs */
        u_long   mfc_pkt_cnt;                   /* pkt count for src-grp */
        u_long   mfc_byte_cnt;                  /* byte count for src-grp */
        u_long   mfc_wrong_if;                  /* wrong if for src-grp */
        int      mfc_expire;                    /* time to clean entry up */
        struct   timeval mfc_last_assert;       /* last time I sent an assert */
        struct   rtdetq *mfc_stall;             /* pkts waiting for route */
};
 
/*
 * Structure used to communicate from kernel to multicast router.
 * (Note the convenient similarity to an IP packet.)
 */
struct igmpmsg {
        u_int32_t unused1;
        u_int32_t unused2;
        u_int8_t  im_msgtype;           /* what type of message */
#define IGMPMSG_NOCACHE         1
#define IGMPMSG_WRONGVIF        2
        u_int8_t  im_mbz;               /* must be zero */
        u_int8_t  im_vif;               /* vif rec'd on */
        u_int8_t  unused3;
        struct    in_addr im_src, im_dst;
};
 
/*
 * Argument structure used for pkt info. while upcall is made.
 */
struct rtdetq {
        struct  mbuf *m;                /* a copy of the packet */
        struct  ifnet *ifp;             /* interface pkt came in on */
#ifdef UPCALL_TIMING
        struct  timeval t;              /* timestamp */
#endif /* UPCALL_TIMING */
        struct  rtdetq *next;
};
 
#define MFCTBLSIZ       256
#define MAX_UPQ         4               /* max. no of pkts in upcall Q */
 
/*
 * Token bucket filter code
 */
#define MAX_BKT_SIZE    10000           /* 10K bytes size */
#define MAXQSIZE        10              /* max. no of pkts in token queue */
 
/*
 * Queue structure at each vif
 */
struct pkt_queue {
        u_int32_t pkt_len;              /* length of packet in queue */
        struct    mbuf *pkt_m;          /* pointer to packet mbuf */
        struct    ip *pkt_ip;           /* pointer to ip header */
};
 
int     ip_mrouter_set __P((int, struct socket *, struct mbuf **));
int     ip_mrouter_get __P((int, struct socket *, struct mbuf **));
int     mrt_ioctl __P((u_long, caddr_t));
int     ip_mrouter_done __P((void));
void    reset_vif __P((struct vif *));
void    vif_delete __P((struct ifnet *));
#ifdef RSVP_ISI
int     ip_mforward __P((struct mbuf *, struct ifnet *, struct ip_moptions *));
int     legal_vif_num __P((int));
int     ip_rsvp_vif_init __P((struct socket *, struct mbuf *));
int     ip_rsvp_vif_done __P((struct socket *, struct mbuf *));
void    ip_rsvp_force_done __P((struct socket *));
#if 0
void    rsvp_input __P((struct mbuf *, struct ifnet *));
#else
void rsvp_input __P((struct mbuf *, int, int));
#endif
#else
int     ip_mforward __P((struct mbuf *, struct ifnet *));
#endif
void    ipip_input __P((struct mbuf *, ...));
 
#endif /* _KERNEL */
 
#endif // _NETINET_IP_MROUTE_H_

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[/] [or1k/] [trunk/] [ecos-2.0/] [packages/] [net/] [tcpip/] [v2_0/] [include/] [netinet/] [ip_mroute.h] - Blame information for rev 1254

Line No.	Rev	Author	Line
1	1254	phoenix	`//==========================================================================`
2			`//`
3			`// include/netinet/ip_mroute.h`
4			`//`
5			`//`
6			`//`
7			`//==========================================================================`
8			`//####BSDCOPYRIGHTBEGIN####`
9			`//`
10			`// -------------------------------------------`
11			`//`
12			`// Portions of this software may have been derived from OpenBSD or other sources,`
13			`// and are covered by the appropriate copyright disclaimers included herein.`
14			`//`
15			`// -------------------------------------------`
16			`//`
17			`//####BSDCOPYRIGHTEND####`
18			`//==========================================================================`
19			`//#####DESCRIPTIONBEGIN####`
20			`//`
21			`// Author(s): gthomas`
22			`// Contributors: gthomas`
23			`// Date: 2000-01-10`
24			`// Purpose:`
25			`// Description:`
26			`//`
27			`//`
28			`//####DESCRIPTIONEND####`
29			`//`
30			`//==========================================================================`
31
32
33			`/* $OpenBSD: ip_mroute.h,v 1.5 1999/12/08 06:50:20 itojun Exp $ */`
34			`/* $NetBSD: ip_mroute.h,v 1.10 1996/02/13 23:42:55 christos Exp $ */`
35
36			`/*`
37			`* Definitions for IP multicast forwarding.`
38			`*`
39			`* Written by David Waitzman, BBN Labs, August 1988.`
40			`* Modified by Steve Deering, Stanford, February 1989.`
41			`* Modified by Ajit Thyagarajan, PARC, August 1993.`
42			`* Modified by Ajit Thyagarajan, PARC, August 1994.`
43			`*`
44			`* MROUTING Revision: 1.2`
45			`*/`
46
47			`#ifndef _NETINET_IP_MROUTE_H_`
48			`#define _NETINET_IP_MROUTE_H_`
49
50			`#include <sys/queue.h>`
51
52			`/*`
53			`* Multicast Routing set/getsockopt commands.`
54			`*/`
55			`#define MRT_INIT 100 /* initialize forwarder */`
56			`#define MRT_DONE 101 /* shut down forwarder */`
57			`#define MRT_ADD_VIF 102 /* create virtual interface */`
58			`#define MRT_DEL_VIF 103 /* delete virtual interface */`
59			`#define MRT_ADD_MFC 104 /* insert forwarding cache entry */`
60			`#define MRT_DEL_MFC 105 /* delete forwarding cache entry */`
61			`#define MRT_VERSION 106 /* get kernel version number */`
62			`#define MRT_ASSERT 107 /* enable PIM assert processing */`
63
64
65			`/*`
66			`* Types and macros for handling bitmaps with one bit per virtual interface.`
67			`*/`
68			`#define MAXVIFS 32`
69			`typedef u_int32_t vifbitmap_t;`
70			`typedef u_int16_t vifi_t; /* type of a vif index */`
71
72			`#define VIFM_SET(n, m) ((m) \|= (1 << (n)))`
73			`#define VIFM_CLR(n, m) ((m) &= ~(1 << (n)))`
74			`#define VIFM_ISSET(n, m) ((m) & (1 << (n)))`
75			`#define VIFM_SETALL(m) ((m) = 0xffffffff)`
76			`#define VIFM_CLRALL(m) ((m) = 0x00000000)`
77			`#define VIFM_COPY(mfrom, mto) ((mto) = (mfrom))`
78			`#define VIFM_SAME(m1, m2) ((m1) == (m2))`
79
80			`#define VIFF_TUNNEL 0x1 /* vif represents a tunnel end-point */`
81			`#define VIFF_SRCRT 0x2 /* tunnel uses IP src routing */`
82
83			`/*`
84			`* Argument structure for MRT_ADD_VIF.`
85			`* (MRT_DEL_VIF takes a single vifi_t argument.)`
86			`*/`
87			`struct vifctl {`
88			`vifi_t vifc_vifi; /* the index of the vif to be added */`
89			`u_int8_t vifc_flags; /* VIFF_ flags defined below */`
90			`u_int8_t vifc_threshold; /* min ttl required to forward on vif */`
91			`u_int32_t vifc_rate_limit; /* max rate */`
92			`struct in_addr vifc_lcl_addr;/* local interface address */`
93			`struct in_addr vifc_rmt_addr;/* remote address (tunnels only) */`
94			`};`
95
96			`/*`
97			`* Argument structure for MRT_ADD_MFC and MRT_DEL_MFC.`
98			`* (mfcc_tos to be added at a future point)`
99			`*/`
100			`struct mfcctl {`
101			`struct in_addr mfcc_origin; /* ip origin of mcasts */`
102			`struct in_addr mfcc_mcastgrp; /* multicast group associated */`
103			`vifi_t mfcc_parent; /* incoming vif */`
104			`u_int8_t mfcc_ttls[MAXVIFS]; /* forwarding ttls on vifs */`
105			`};`
106
107			`/*`
108			`* Argument structure used by mrouted to get src-grp pkt counts.`
109			`*/`
110			`struct sioc_sg_req {`
111			`struct in_addr src;`
112			`struct in_addr grp;`
113			`u_long pktcnt;`
114			`u_long bytecnt;`
115			`u_long wrong_if;`
116			`};`
117
118			`/*`
119			`* Argument structure used by mrouted to get vif pkt counts.`
120			`*/`
121			`struct sioc_vif_req {`
122			`vifi_t vifi; /* vif number */`
123			`u_long icount; /* input packet count on vif */`
124			`u_long ocount; /* output packet count on vif */`
125			`u_long ibytes; /* input byte count on vif */`
126			`u_long obytes; /* output byte count on vif */`
127			`};`
128
129
130			`/*`
131			`* The kernel's multicast routing statistics.`
132			`*/`
133			`struct mrtstat {`
134			`u_long mrts_mfc_lookups; /* # forw. cache hash table hits */`
135			`u_long mrts_mfc_misses; /* # forw. cache hash table misses */`
136			`u_long mrts_upcalls; /* # calls to mrouted */`
137			`u_long mrts_no_route; /* no route for packet's origin */`
138			`u_long mrts_bad_tunnel; /* malformed tunnel options */`
139			`u_long mrts_cant_tunnel; /* no room for tunnel options */`
140			`u_long mrts_wrong_if; /* arrived on wrong interface */`
141			`u_long mrts_upq_ovflw; /* upcall Q overflow */`
142			`u_long mrts_cache_cleanups; /* # entries with no upcalls */`
143			`u_long mrts_drop_sel; /* pkts dropped selectively */`
144			`u_long mrts_q_overflow; /* pkts dropped - Q overflow */`
145			`u_long mrts_pkt2large; /* pkts dropped - size > BKT SIZE */`
146			`u_long mrts_upq_sockfull; /* upcalls dropped - socket full */`
147			`};`
148
149
150			`#ifdef _KERNEL`
151
152			`/*`
153			`* Token bucket filter at each vif`
154			`*/`
155			`struct tbf {`
156			`u_int32_t last_pkt_t; /* arr. time of last pkt */`
157			`u_int32_t n_tok; /* no of tokens in bucket */`
158			`u_int32_t q_len; /* length of queue at this vif */`
159			`};`
160
161			`/*`
162			`* The kernel's virtual-interface structure.`
163			`*/`
164			`struct vif {`
165			`u_int8_t v_flags; /* VIFF_ flags defined above */`
166			`u_int8_t v_threshold; /* min ttl required to forward on vif */`
167			`u_int32_t v_rate_limit; /* max rate */`
168			`struct tbf v_tbf; /* token bucket structure at intf. */`
169			`struct in_addr v_lcl_addr; /* local interface address */`
170			`struct in_addr v_rmt_addr; /* remote address (tunnels only) */`
171			`struct ifnet v_ifp; / pointer to interface */`
172			`u_long v_pkt_in; /* # pkts in on interface */`
173			`u_long v_pkt_out; /* # pkts out on interface */`
174			`u_long v_bytes_in; /* # bytes in on interface */`
175			`u_long v_bytes_out; /* # bytes out on interface */`
176			`struct route v_route; /* cached route if this is a tunnel */`
177			`#ifdef RSVP_ISI`
178			`int v_rsvp_on; /* # RSVP listening on this vif */`
179			`struct socket v_rsvpd; / # RSVPD daemon */`
180			`#endif /* RSVP_ISI */`
181			`};`
182
183			`/*`
184			`* The kernel's multicast forwarding cache entry structure.`
185			`* (A field for the type of service (mfc_tos) is to be added`
186			`* at a future point.)`
187			`*/`
188			`struct mfc {`
189			`LIST_ENTRY(mfc) mfc_hash;`
190			`struct in_addr mfc_origin; /* ip origin of mcasts */`
191			`struct in_addr mfc_mcastgrp; /* multicast group associated */`
192			`vifi_t mfc_parent; /* incoming vif */`
193			`u_int8_t mfc_ttls[MAXVIFS]; /* forwarding ttls on vifs */`
194			`u_long mfc_pkt_cnt; /* pkt count for src-grp */`
195			`u_long mfc_byte_cnt; /* byte count for src-grp */`
196			`u_long mfc_wrong_if; /* wrong if for src-grp */`
197			`int mfc_expire; /* time to clean entry up */`
198			`struct timeval mfc_last_assert; /* last time I sent an assert */`
199			`struct rtdetq mfc_stall; / pkts waiting for route */`
200			`};`
201
202			`/*`
203			`* Structure used to communicate from kernel to multicast router.`
204			`* (Note the convenient similarity to an IP packet.)`
205			`*/`
206			`struct igmpmsg {`
207			`u_int32_t unused1;`
208			`u_int32_t unused2;`
209			`u_int8_t im_msgtype; /* what type of message */`
210			`#define IGMPMSG_NOCACHE 1`
211			`#define IGMPMSG_WRONGVIF 2`
212			`u_int8_t im_mbz; /* must be zero */`
213			`u_int8_t im_vif; /* vif rec'd on */`
214			`u_int8_t unused3;`
215			`struct in_addr im_src, im_dst;`
216			`};`
217
218			`/*`
219			`* Argument structure used for pkt info. while upcall is made.`
220			`*/`
221			`struct rtdetq {`
222			`struct mbuf m; / a copy of the packet */`
223			`struct ifnet ifp; / interface pkt came in on */`
224			`#ifdef UPCALL_TIMING`
225			`struct timeval t; /* timestamp */`
226			`#endif /* UPCALL_TIMING */`
227			`struct rtdetq *next;`
228			`};`
229
230			`#define MFCTBLSIZ 256`
231			`#define MAX_UPQ 4 /* max. no of pkts in upcall Q */`
232
233			`/*`
234			`* Token bucket filter code`
235			`*/`
236			`#define MAX_BKT_SIZE 10000 /* 10K bytes size */`
237			`#define MAXQSIZE 10 /* max. no of pkts in token queue */`
238
239			`/*`
240			`* Queue structure at each vif`
241			`*/`
242			`struct pkt_queue {`
243			`u_int32_t pkt_len; /* length of packet in queue */`
244			`struct mbuf pkt_m; / pointer to packet mbuf */`
245			`struct ip pkt_ip; / pointer to ip header */`
246			`};`
247
248			`int ip_mrouter_set __P((int, struct socket , struct mbuf *));`
249			`int ip_mrouter_get __P((int, struct socket , struct mbuf *));`
250			`int mrt_ioctl __P((u_long, caddr_t));`
251			`int ip_mrouter_done __P((void));`
252			`void reset_vif __P((struct vif *));`
253			`void vif_delete __P((struct ifnet *));`
254			`#ifdef RSVP_ISI`
255			`int ip_mforward __P((struct mbuf , struct ifnet , struct ip_moptions *));`
256			`int legal_vif_num __P((int));`
257			`int ip_rsvp_vif_init __P((struct socket , struct mbuf ));`
258			`int ip_rsvp_vif_done __P((struct socket , struct mbuf ));`
259			`void ip_rsvp_force_done __P((struct socket *));`
260			`#if 0`
261			`void rsvp_input __P((struct mbuf , struct ifnet ));`
262			`#else`
263			`void rsvp_input __P((struct mbuf *, int, int));`
264			`#endif`
265			`#else`
266			`int ip_mforward __P((struct mbuf , struct ifnet ));`
267			`#endif`
268			`void ipip_input __P((struct mbuf *, ...));`
269
270			`#endif /* _KERNEL */`
271
272			`#endif // _NETINET_IP_MROUTE_H_`