| 1 |
27 |
unneback |
//==========================================================================
|
| 2 |
|
|
//
|
| 3 |
|
|
// include/netinet6/ip6_mroute.h
|
| 4 |
|
|
//
|
| 5 |
|
|
//==========================================================================
|
| 6 |
|
|
//####BSDCOPYRIGHTBEGIN####
|
| 7 |
|
|
//
|
| 8 |
|
|
// -------------------------------------------
|
| 9 |
|
|
//
|
| 10 |
|
|
// Portions of this software may have been derived from OpenBSD,
|
| 11 |
|
|
// FreeBSD or other sources, and are covered by the appropriate
|
| 12 |
|
|
// copyright disclaimers included herein.
|
| 13 |
|
|
//
|
| 14 |
|
|
// Portions created by Red Hat are
|
| 15 |
|
|
// Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
|
| 16 |
|
|
//
|
| 17 |
|
|
// -------------------------------------------
|
| 18 |
|
|
//
|
| 19 |
|
|
//####BSDCOPYRIGHTEND####
|
| 20 |
|
|
//==========================================================================
|
| 21 |
|
|
|
| 22 |
|
|
/* $KAME: ip6_mroute.h,v 1.19 2001/06/14 06:12:55 suz Exp $ */
|
| 23 |
|
|
|
| 24 |
|
|
/*
|
| 25 |
|
|
* Copyright (C) 1998 WIDE Project.
|
| 26 |
|
|
* All rights reserved.
|
| 27 |
|
|
*
|
| 28 |
|
|
* Redistribution and use in source and binary forms, with or without
|
| 29 |
|
|
* modification, are permitted provided that the following conditions
|
| 30 |
|
|
* are met:
|
| 31 |
|
|
* 1. Redistributions of source code must retain the above copyright
|
| 32 |
|
|
* notice, this list of conditions and the following disclaimer.
|
| 33 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
| 34 |
|
|
* notice, this list of conditions and the following disclaimer in the
|
| 35 |
|
|
* documentation and/or other materials provided with the distribution.
|
| 36 |
|
|
* 3. Neither the name of the project nor the names of its contributors
|
| 37 |
|
|
* may be used to endorse or promote products derived from this software
|
| 38 |
|
|
* without specific prior written permission.
|
| 39 |
|
|
*
|
| 40 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
| 41 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| 42 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| 43 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
| 44 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
| 45 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
| 46 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
| 47 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
| 48 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
| 49 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 50 |
|
|
* SUCH DAMAGE.
|
| 51 |
|
|
*/
|
| 52 |
|
|
|
| 53 |
|
|
/* BSDI ip_mroute.h,v 2.5 1996/10/11 16:01:48 pjd Exp */
|
| 54 |
|
|
|
| 55 |
|
|
/*
|
| 56 |
|
|
* Definitions for IP multicast forwarding.
|
| 57 |
|
|
*
|
| 58 |
|
|
* Written by David Waitzman, BBN Labs, August 1988.
|
| 59 |
|
|
* Modified by Steve Deering, Stanford, February 1989.
|
| 60 |
|
|
* Modified by Ajit Thyagarajan, PARC, August 1993.
|
| 61 |
|
|
* Modified by Ajit Thyagarajan, PARC, August 1994.
|
| 62 |
|
|
* Modified by Ahmed Helmy, USC, September 1996.
|
| 63 |
|
|
*
|
| 64 |
|
|
* MROUTING Revision: 1.2
|
| 65 |
|
|
*/
|
| 66 |
|
|
|
| 67 |
|
|
#ifndef _NETINET6_IP6_MROUTE_H_
|
| 68 |
|
|
#define _NETINET6_IP6_MROUTE_H_
|
| 69 |
|
|
|
| 70 |
|
|
/*
|
| 71 |
|
|
* Multicast Routing set/getsockopt commands.
|
| 72 |
|
|
*/
|
| 73 |
|
|
#ifdef _KERNEL
|
| 74 |
|
|
#define MRT6_OINIT 100 /* initialize forwarder (omrt6msg) */
|
| 75 |
|
|
#endif
|
| 76 |
|
|
#define MRT6_DONE 101 /* shut down forwarder */
|
| 77 |
|
|
#define MRT6_ADD_MIF 102 /* add multicast interface */
|
| 78 |
|
|
#define MRT6_DEL_MIF 103 /* delete multicast interface */
|
| 79 |
|
|
#define MRT6_ADD_MFC 104 /* insert forwarding cache entry */
|
| 80 |
|
|
#define MRT6_DEL_MFC 105 /* delete forwarding cache entry */
|
| 81 |
|
|
#define MRT6_PIM 107 /* enable pim code */
|
| 82 |
|
|
#define MRT6_INIT 108 /* initialize forwarder (mrt6msg) */
|
| 83 |
|
|
|
| 84 |
|
|
#define GET_TIME(t) microtime(&t)
|
| 85 |
|
|
|
| 86 |
|
|
/*
|
| 87 |
|
|
* Types and macros for handling bitmaps with one bit per multicast interface.
|
| 88 |
|
|
*/
|
| 89 |
|
|
typedef u_short mifi_t; /* type of a mif index */
|
| 90 |
|
|
#define MAXMIFS 64
|
| 91 |
|
|
|
| 92 |
|
|
#ifndef IF_SETSIZE
|
| 93 |
|
|
#define IF_SETSIZE 256
|
| 94 |
|
|
#endif
|
| 95 |
|
|
|
| 96 |
|
|
typedef u_int32_t if_mask;
|
| 97 |
|
|
#define NIFBITS (sizeof(if_mask) * NBBY) /* bits per mask */
|
| 98 |
|
|
|
| 99 |
|
|
#ifndef howmany
|
| 100 |
|
|
#define howmany(x, y) (((x) + ((y) - 1)) / (y))
|
| 101 |
|
|
#endif
|
| 102 |
|
|
|
| 103 |
|
|
typedef struct if_set {
|
| 104 |
|
|
if_mask ifs_bits[howmany(IF_SETSIZE, NIFBITS)];
|
| 105 |
|
|
} if_set;
|
| 106 |
|
|
|
| 107 |
|
|
#define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
|
| 108 |
|
|
#define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
|
| 109 |
|
|
#define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
|
| 110 |
|
|
#define IF_COPY(f, t) bcopy(f, t, sizeof(*(f)))
|
| 111 |
|
|
#define IF_ZERO(p) bzero(p, sizeof(*(p)))
|
| 112 |
|
|
|
| 113 |
|
|
/*
|
| 114 |
|
|
* Argument structure for MRT6_ADD_IF.
|
| 115 |
|
|
*/
|
| 116 |
|
|
struct mif6ctl {
|
| 117 |
|
|
mifi_t mif6c_mifi; /* the index of the mif to be added */
|
| 118 |
|
|
u_char mif6c_flags; /* MIFF_ flags defined below */
|
| 119 |
|
|
u_short mif6c_pifi; /* the index of the physical IF */
|
| 120 |
|
|
#ifdef notyet
|
| 121 |
|
|
u_int mif6c_rate_limit; /* max rate */
|
| 122 |
|
|
#endif
|
| 123 |
|
|
};
|
| 124 |
|
|
|
| 125 |
|
|
#define MIFF_REGISTER 0x1 /* mif represents a register end-point */
|
| 126 |
|
|
|
| 127 |
|
|
/*
|
| 128 |
|
|
* Argument structure for MRT6_ADD_MFC and MRT6_DEL_MFC
|
| 129 |
|
|
*/
|
| 130 |
|
|
struct mf6cctl {
|
| 131 |
|
|
struct sockaddr_in6 mf6cc_origin; /* IPv6 origin of mcasts */
|
| 132 |
|
|
struct sockaddr_in6 mf6cc_mcastgrp; /* multicast group associated */
|
| 133 |
|
|
mifi_t mf6cc_parent; /* incoming ifindex */
|
| 134 |
|
|
struct if_set mf6cc_ifset; /* set of forwarding ifs */
|
| 135 |
|
|
};
|
| 136 |
|
|
|
| 137 |
|
|
/*
|
| 138 |
|
|
* The kernel's multicast routing statistics.
|
| 139 |
|
|
*/
|
| 140 |
|
|
struct mrt6stat {
|
| 141 |
|
|
u_quad_t mrt6s_mfc_lookups; /* # forw. cache hash table hits */
|
| 142 |
|
|
u_quad_t mrt6s_mfc_misses; /* # forw. cache hash table misses */
|
| 143 |
|
|
u_quad_t mrt6s_upcalls; /* # calls to mrouted */
|
| 144 |
|
|
u_quad_t mrt6s_no_route; /* no route for packet's origin */
|
| 145 |
|
|
u_quad_t mrt6s_bad_tunnel; /* malformed tunnel options */
|
| 146 |
|
|
u_quad_t mrt6s_cant_tunnel; /* no room for tunnel options */
|
| 147 |
|
|
u_quad_t mrt6s_wrong_if; /* arrived on wrong interface */
|
| 148 |
|
|
u_quad_t mrt6s_upq_ovflw; /* upcall Q overflow */
|
| 149 |
|
|
u_quad_t mrt6s_cache_cleanups; /* # entries with no upcalls */
|
| 150 |
|
|
u_quad_t mrt6s_drop_sel; /* pkts dropped selectively */
|
| 151 |
|
|
u_quad_t mrt6s_q_overflow; /* pkts dropped - Q overflow */
|
| 152 |
|
|
u_quad_t mrt6s_pkt2large; /* pkts dropped - size > BKT SIZE */
|
| 153 |
|
|
u_quad_t mrt6s_upq_sockfull; /* upcalls dropped - socket full */
|
| 154 |
|
|
};
|
| 155 |
|
|
|
| 156 |
|
|
#ifdef MRT6_OINIT
|
| 157 |
|
|
/*
|
| 158 |
|
|
* Struct used to communicate from kernel to multicast router
|
| 159 |
|
|
* note the convenient similarity to an IPv6 header.
|
| 160 |
|
|
* XXX old version, superseded by mrt6msg.
|
| 161 |
|
|
*/
|
| 162 |
|
|
struct omrt6msg {
|
| 163 |
|
|
u_long unused1;
|
| 164 |
|
|
u_char im6_msgtype; /* what type of message */
|
| 165 |
|
|
#if 0
|
| 166 |
|
|
#define MRT6MSG_NOCACHE 1
|
| 167 |
|
|
#define MRT6MSG_WRONGMIF 2
|
| 168 |
|
|
#define MRT6MSG_WHOLEPKT 3 /* used for user level encap*/
|
| 169 |
|
|
#endif
|
| 170 |
|
|
u_char im6_mbz; /* must be zero */
|
| 171 |
|
|
u_char im6_mif; /* mif rec'd on */
|
| 172 |
|
|
u_char unused2;
|
| 173 |
|
|
struct in6_addr im6_src, im6_dst;
|
| 174 |
|
|
};
|
| 175 |
|
|
#endif
|
| 176 |
|
|
|
| 177 |
|
|
/*
|
| 178 |
|
|
* Structure used to communicate from kernel to multicast router.
|
| 179 |
|
|
* We'll overlay the structure onto an MLD header (not an IPv6 header
|
| 180 |
|
|
* like igmpmsg{} used for IPv4 implementation). This is because this
|
| 181 |
|
|
* structure will be passed via an IPv6 raw socket, on which an application
|
| 182 |
|
|
* will only receive the payload i.e. the data after the IPv6 header and all
|
| 183 |
|
|
* the extension headers. (see Section 3 of draft-ietf-ipngwg-2292bis-01)
|
| 184 |
|
|
*/
|
| 185 |
|
|
struct mrt6msg {
|
| 186 |
|
|
#define MRT6MSG_NOCACHE 1
|
| 187 |
|
|
#define MRT6MSG_WRONGMIF 2
|
| 188 |
|
|
#define MRT6MSG_WHOLEPKT 3 /* used for user level encap*/
|
| 189 |
|
|
u_char im6_mbz; /* must be zero */
|
| 190 |
|
|
u_char im6_msgtype; /* what type of message */
|
| 191 |
|
|
u_int16_t im6_mif; /* mif rec'd on */
|
| 192 |
|
|
u_int32_t im6_pad; /* padding for 64bit arch */
|
| 193 |
|
|
struct in6_addr im6_src, im6_dst;
|
| 194 |
|
|
};
|
| 195 |
|
|
|
| 196 |
|
|
/*
|
| 197 |
|
|
* Argument structure used by multicast routing daemon to get src-grp
|
| 198 |
|
|
* packet counts
|
| 199 |
|
|
*/
|
| 200 |
|
|
struct sioc_sg_req6 {
|
| 201 |
|
|
struct sockaddr_in6 src;
|
| 202 |
|
|
struct sockaddr_in6 grp;
|
| 203 |
|
|
u_quad_t pktcnt;
|
| 204 |
|
|
u_quad_t bytecnt;
|
| 205 |
|
|
u_quad_t wrong_if;
|
| 206 |
|
|
};
|
| 207 |
|
|
|
| 208 |
|
|
/*
|
| 209 |
|
|
* Argument structure used by mrouted to get mif pkt counts
|
| 210 |
|
|
*/
|
| 211 |
|
|
struct sioc_mif_req6 {
|
| 212 |
|
|
mifi_t mifi; /* mif number */
|
| 213 |
|
|
u_quad_t icount; /* Input packet count on mif */
|
| 214 |
|
|
u_quad_t ocount; /* Output packet count on mif */
|
| 215 |
|
|
u_quad_t ibytes; /* Input byte count on mif */
|
| 216 |
|
|
u_quad_t obytes; /* Output byte count on mif */
|
| 217 |
|
|
};
|
| 218 |
|
|
|
| 219 |
|
|
#if defined(_KERNEL) || defined(KERNEL)
|
| 220 |
|
|
/*
|
| 221 |
|
|
* The kernel's multicast-interface structure.
|
| 222 |
|
|
*/
|
| 223 |
|
|
struct mif6 {
|
| 224 |
|
|
u_char m6_flags; /* MIFF_ flags defined above */
|
| 225 |
|
|
u_int m6_rate_limit; /* max rate */
|
| 226 |
|
|
#ifdef notyet
|
| 227 |
|
|
struct tbf *m6_tbf; /* token bucket structure at intf. */
|
| 228 |
|
|
#endif
|
| 229 |
|
|
struct in6_addr m6_lcl_addr; /* local interface address */
|
| 230 |
|
|
struct ifnet *m6_ifp; /* pointer to interface */
|
| 231 |
|
|
u_quad_t m6_pkt_in; /* # pkts in on interface */
|
| 232 |
|
|
u_quad_t m6_pkt_out; /* # pkts out on interface */
|
| 233 |
|
|
u_quad_t m6_bytes_in; /* # bytes in on interface */
|
| 234 |
|
|
u_quad_t m6_bytes_out; /* # bytes out on interface */
|
| 235 |
|
|
struct route m6_route;/* cached route if this is a tunnel */
|
| 236 |
|
|
#ifdef notyet
|
| 237 |
|
|
u_int m6_rsvp_on; /* RSVP listening on this vif */
|
| 238 |
|
|
struct socket *m6_rsvpd; /* RSVP daemon socket */
|
| 239 |
|
|
#endif
|
| 240 |
|
|
};
|
| 241 |
|
|
|
| 242 |
|
|
/*
|
| 243 |
|
|
* The kernel's multicast forwarding cache entry structure
|
| 244 |
|
|
*/
|
| 245 |
|
|
struct mf6c {
|
| 246 |
|
|
struct sockaddr_in6 mf6c_origin; /* IPv6 origin of mcasts */
|
| 247 |
|
|
struct sockaddr_in6 mf6c_mcastgrp; /* multicast group associated*/
|
| 248 |
|
|
mifi_t mf6c_parent; /* incoming IF */
|
| 249 |
|
|
struct if_set mf6c_ifset; /* set of outgoing IFs */
|
| 250 |
|
|
|
| 251 |
|
|
u_quad_t mf6c_pkt_cnt; /* pkt count for src-grp */
|
| 252 |
|
|
u_quad_t mf6c_byte_cnt; /* byte count for src-grp */
|
| 253 |
|
|
u_quad_t mf6c_wrong_if; /* wrong if for src-grp */
|
| 254 |
|
|
int mf6c_expire; /* time to clean entry up */
|
| 255 |
|
|
struct timeval mf6c_last_assert; /* last time I sent an assert*/
|
| 256 |
|
|
struct rtdetq *mf6c_stall; /* pkts waiting for route */
|
| 257 |
|
|
struct mf6c *mf6c_next; /* hash table linkage */
|
| 258 |
|
|
};
|
| 259 |
|
|
|
| 260 |
|
|
#define MF6C_INCOMPLETE_PARENT ((mifi_t)-1)
|
| 261 |
|
|
|
| 262 |
|
|
/*
|
| 263 |
|
|
* Argument structure used for pkt info. while upcall is made
|
| 264 |
|
|
*/
|
| 265 |
|
|
#ifndef _NETINET_IP_MROUTE_H_
|
| 266 |
|
|
struct rtdetq { /* XXX: rtdetq is also defined in ip_mroute.h */
|
| 267 |
|
|
struct mbuf *m; /* A copy of the packet */
|
| 268 |
|
|
struct ifnet *ifp; /* Interface pkt came in on */
|
| 269 |
|
|
#ifdef UPCALL_TIMING
|
| 270 |
|
|
struct timeval t; /* Timestamp */
|
| 271 |
|
|
#endif /* UPCALL_TIMING */
|
| 272 |
|
|
struct rtdetq *next;
|
| 273 |
|
|
};
|
| 274 |
|
|
#endif /* _NETINET_IP_MROUTE_H_ */
|
| 275 |
|
|
|
| 276 |
|
|
#define MF6CTBLSIZ 256
|
| 277 |
|
|
#if (MF6CTBLSIZ & (MF6CTBLSIZ - 1)) == 0 /* from sys:route.h */
|
| 278 |
|
|
#define MF6CHASHMOD(h) ((h) & (MF6CTBLSIZ - 1))
|
| 279 |
|
|
#else
|
| 280 |
|
|
#define MF6CHASHMOD(h) ((h) % MF6CTBLSIZ)
|
| 281 |
|
|
#endif
|
| 282 |
|
|
|
| 283 |
|
|
#define MAX_UPQ6 4 /* max. no of pkts in upcall Q */
|
| 284 |
|
|
|
| 285 |
|
|
int ip6_mrouter_set __P((struct socket *so, struct sockopt *sopt));
|
| 286 |
|
|
int ip6_mrouter_get __P((struct socket *so, struct sockopt *sopt));
|
| 287 |
|
|
int ip6_mrouter_done __P((void));
|
| 288 |
|
|
int mrt6_ioctl __P((int, caddr_t));
|
| 289 |
|
|
#endif /* _KERNEL */
|
| 290 |
|
|
|
| 291 |
|
|
#endif /* !_NETINET6_IP6_MROUTE_H_ */
|
