| 1 | /*␊ |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. The rights granted to you under the License␊ |
| 10 | * may not be used to create, or enable the creation or redistribution of,␊ |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
| 13 | * terms of an Apple operating system software license agreement.␊ |
| 14 | * ␊ |
| 15 | * Please obtain a copy of the License at␊ |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
| 17 | * ␊ |
| 18 | * The Original Code and all software distributed under the License are␊ |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 23 | * Please see the License for the specific language governing rights and␊ |
| 24 | * limitations under the License.␊ |
| 25 | * ␊ |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
| 27 | */␊ |
| 28 | /*␊ |
| 29 | * Copyright (c) 1989 Stephen Deering.␊ |
| 30 | * Copyright (c) 1992, 1993␊ |
| 31 | *␉The Regents of the University of California. All rights reserved.␊ |
| 32 | *␊ |
| 33 | * This code is derived from software contributed to Berkeley by␊ |
| 34 | * Stephen Deering of Stanford University.␊ |
| 35 | *␊ |
| 36 | * Redistribution and use in source and binary forms, with or without␊ |
| 37 | * modification, are permitted provided that the following conditions␊ |
| 38 | * are met:␊ |
| 39 | * 1. Redistributions of source code must retain the above copyright␊ |
| 40 | * notice, this list of conditions and the following disclaimer.␊ |
| 41 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
| 42 | * notice, this list of conditions and the following disclaimer in the␊ |
| 43 | * documentation and/or other materials provided with the distribution.␊ |
| 44 | * 3. All advertising materials mentioning features or use of this software␊ |
| 45 | * must display the following acknowledgement:␊ |
| 46 | *␉This product includes software developed by the University of␊ |
| 47 | *␉California, Berkeley and its contributors.␊ |
| 48 | * 4. Neither the name of the University nor the names of its contributors␊ |
| 49 | * may be used to endorse or promote products derived from this software␊ |
| 50 | * without specific prior written permission.␊ |
| 51 | *␊ |
| 52 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊ |
| 53 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
| 54 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
| 55 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊ |
| 56 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
| 57 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
| 58 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
| 59 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
| 60 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
| 61 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
| 62 | * SUCH DAMAGE.␊ |
| 63 | *␊ |
| 64 | *␉@(#)ip_mroute.h␉8.1 (Berkeley) 6/10/93␊ |
| 65 | */␊ |
| 66 | ␊ |
| 67 | #ifndef _NETINET_IP_MROUTE_H_␊ |
| 68 | #define _NETINET_IP_MROUTE_H_␊ |
| 69 | #include <sys/appleapiopts.h>␊ |
| 70 | ␊ |
| 71 | /*␊ |
| 72 | * Definitions for IP multicast forwarding.␊ |
| 73 | *␊ |
| 74 | * Written by David Waitzman, BBN Labs, August 1988.␊ |
| 75 | * Modified by Steve Deering, Stanford, February 1989.␊ |
| 76 | * Modified by Ajit Thyagarajan, PARC, August 1993.␊ |
| 77 | * Modified by Ajit Thyagarajan, PARC, August 1994.␊ |
| 78 | *␊ |
| 79 | * MROUTING Revision: 3.3.1.3␊ |
| 80 | */␊ |
| 81 | ␊ |
| 82 | ␊ |
| 83 | /*␊ |
| 84 | * Multicast Routing set/getsockopt commands.␊ |
| 85 | */␊ |
| 86 | #define␉MRT_INIT␉100␉/* initialize forwarder */␊ |
| 87 | #define␉MRT_DONE␉101␉/* shut down forwarder */␊ |
| 88 | #define␉MRT_ADD_VIF␉102␉/* create virtual interface */␊ |
| 89 | #define␉MRT_DEL_VIF␉103␉/* delete virtual interface */␊ |
| 90 | #define MRT_ADD_MFC␉104␉/* insert forwarding cache entry */␊ |
| 91 | #define MRT_DEL_MFC␉105␉/* delete forwarding cache entry */␊ |
| 92 | #define MRT_VERSION␉106␉/* get kernel version number */␊ |
| 93 | #define MRT_ASSERT 107 /* enable PIM assert processing */␊ |
| 94 | ␊ |
| 95 | ␊ |
| 96 | ␊ |
| 97 | #ifndef CONFIG_MAXVIFS␊ |
| 98 | #define CONFIG_MAXVIFS 32 /* 4635538 temp workaround */␊ |
| 99 | #endif␊ |
| 100 | ␊ |
| 101 | #ifndef CONFIG_MFCTBLSIZ␊ |
| 102 | #define CONFIG_MFCTBLSIZ 256 /* 4635538 temp workaround */␊ |
| 103 | #endif␊ |
| 104 | ␊ |
| 105 | /*␊ |
| 106 | * Types and macros for handling bitmaps with one bit per virtual interface.␊ |
| 107 | */␊ |
| 108 | typedef u_int32_t vifbitmap_t;␊ |
| 109 | typedef u_short vifi_t;␉␉/* type of a vif index */␊ |
| 110 | #define ALL_VIFS (vifi_t)-1␊ |
| 111 | ␊ |
| 112 | #define␉VIFM_SET(n, m)␉␉((m) |= (1 << (n)))␊ |
| 113 | #define␉VIFM_CLR(n, m)␉␉((m) &= ~(1 << (n)))␊ |
| 114 | #define␉VIFM_ISSET(n, m)␉((m) & (1 << (n)))␊ |
| 115 | #define␉VIFM_CLRALL(m)␉␉((m) = 0x00000000)␊ |
| 116 | #define␉VIFM_COPY(mfrom, mto)␉((mto) = (mfrom))␊ |
| 117 | #define␉VIFM_SAME(m1, m2)␉((m1) == (m2))␊ |
| 118 | ␊ |
| 119 | ␊ |
| 120 | /*␊ |
| 121 | * Argument structure for MRT_ADD_VIF.␊ |
| 122 | * (MRT_DEL_VIF takes a single vifi_t argument.)␊ |
| 123 | */␊ |
| 124 | struct vifctl {␊ |
| 125 | vifi_t␉vifc_vifi;␉ ␉/* the index of the vif to be added */␊ |
| 126 | u_char␉vifc_flags; ␉/* VIFF_ flags defined below */␊ |
| 127 | u_char␉vifc_threshold; ␉/* min ttl required to forward on vif */␊ |
| 128 | u_int␉vifc_rate_limit;␉/* max rate */␊ |
| 129 | struct␉in_addr vifc_lcl_addr;␉/* local interface address */␊ |
| 130 | struct␉in_addr vifc_rmt_addr;␉/* remote address (tunnels only) */␊ |
| 131 | };␊ |
| 132 | ␊ |
| 133 | #define␉VIFF_TUNNEL␉0x1␉␉/* vif represents a tunnel end-point */␊ |
| 134 | #define VIFF_SRCRT␉0x2␉␉/* tunnel uses IP source routing */␊ |
| 135 | ␊ |
| 136 | /*␊ |
| 137 | * Argument structure for MRT_ADD_MFC and MRT_DEL_MFC␊ |
| 138 | * (mfcc_tos to be added at a future point)␊ |
| 139 | */␊ |
| 140 | struct mfcctl {␊ |
| 141 | struct in_addr␉mfcc_origin;␉␉/* ip origin of mcasts */␊ |
| 142 | struct in_addr␉mfcc_mcastgrp; ␉␉/* multicast group associated*/␊ |
| 143 | vifi_t␉␉mfcc_parent;␉␉/* incoming vif */␊ |
| 144 | u_char␉␉mfcc_ttls[CONFIG_MAXVIFS];␉/* forwarding ttls on vifs */␊ |
| 145 | };␊ |
| 146 | ␊ |
| 147 | /*␊ |
| 148 | * The kernel's multicast routing statistics.␊ |
| 149 | */␊ |
| 150 | struct mrtstat {␊ |
| 151 | u_int32_t␉mrts_mfc_lookups;␉/* # forw. cache hash table hits */␊ |
| 152 | u_int32_t␉mrts_mfc_misses;␉/* # forw. cache hash table misses */␊ |
| 153 | u_int32_t␉mrts_upcalls;␉␉/* # calls to mrouted */␊ |
| 154 | u_int32_t␉mrts_no_route;␉␉/* no route for packet's origin */␊ |
| 155 | u_int32_t␉mrts_bad_tunnel;␉/* malformed tunnel options */␊ |
| 156 | u_int32_t␉mrts_cant_tunnel;␉/* no room for tunnel options */␊ |
| 157 | u_int32_t␉mrts_wrong_if;␉␉/* arrived on wrong interface */␊ |
| 158 | u_int32_t␉mrts_upq_ovflw;␉␉/* upcall Q overflow */␊ |
| 159 | u_int32_t␉mrts_cache_cleanups;␉/* # entries with no upcalls */␊ |
| 160 | u_int32_t␉mrts_drop_sel;␉␉/* pkts dropped selectively */␊ |
| 161 | u_int32_t␉mrts_q_overflow;␉/* pkts dropped - Q overflow */␊ |
| 162 | u_int32_t␉mrts_pkt2large;␉␉/* pkts dropped - size > BKT SIZE */␊ |
| 163 | u_int32_t␉mrts_upq_sockfull;␉/* upcalls dropped - socket full */␊ |
| 164 | };␊ |
| 165 | ␊ |
| 166 | /*␊ |
| 167 | * Argument structure used by mrouted to get src-grp pkt counts␊ |
| 168 | */␊ |
| 169 | struct sioc_sg_req {␊ |
| 170 | struct in_addr␉src;␊ |
| 171 | struct in_addr␉grp;␊ |
| 172 | u_int32_t␉␉pktcnt;␊ |
| 173 | u_int32_t␉␉bytecnt;␊ |
| 174 | u_int32_t␉␉wrong_if;␊ |
| 175 | };␊ |
| 176 | ␊ |
| 177 | /*␊ |
| 178 | * Argument structure used by mrouted to get vif pkt counts␊ |
| 179 | */␊ |
| 180 | struct sioc_vif_req {␊ |
| 181 | vifi_t␉␉vifi;␉␉/* vif number␉␉␉*/␊ |
| 182 | u_int32_t␉␉icount;␉␉/* Input packet count on vif␉*/␊ |
| 183 | u_int32_t␉␉ocount;␉␉/* Output packet count on vif␉*/␊ |
| 184 | u_int32_t␉␉ibytes;␉␉/* Input byte count on vif␉*/␊ |
| 185 | u_int32_t␉␉obytes;␉␉/* Output byte count on vif␉*/␊ |
| 186 | };␊ |
| 187 | ␊ |
| 188 | ␊ |
| 189 | /*␊ |
| 190 | * The kernel's multicast forwarding cache entry structure ␊ |
| 191 | * (A field for the type of service (mfc_tos) is to be added ␊ |
| 192 | * at a future point)␊ |
| 193 | */␊ |
| 194 | struct mfc {␊ |
| 195 | struct in_addr mfc_origin;␉ ␉␉/* IP origin of mcasts */␊ |
| 196 | struct in_addr mfc_mcastgrp; ␉␉/* multicast group associated*/␊ |
| 197 | vifi_t␉ mfc_parent; ␉␉/* incoming vif */␊ |
| 198 | u_char␉ mfc_ttls[CONFIG_MAXVIFS]; ␉␉/* forwarding ttls on vifs */␊ |
| 199 | u_int32_t␉ mfc_pkt_cnt;␉␉/* pkt count for src-grp */␊ |
| 200 | u_int32_t␉ mfc_byte_cnt;␉␉/* byte count for src-grp */␊ |
| 201 | u_int32_t␉ mfc_wrong_if;␉␉/* wrong if for src-grp␉ */␊ |
| 202 | int␉␉ mfc_expire;␉␉␉/* time to clean entry up */␊ |
| 203 | struct timeval mfc_last_assert;␉␉/* last time I sent an assert*/␊ |
| 204 | struct rtdetq *mfc_stall;␉␉␉/* q of packets awaiting mfc */␊ |
| 205 | struct mfc *mfc_next;␉␉␉/* next mfc entry */␊ |
| 206 | };␊ |
| 207 | ␊ |
| 208 | /*␊ |
| 209 | * Struct used to communicate from kernel to multicast router␊ |
| 210 | * note the convenient similarity to an IP packet␊ |
| 211 | */␊ |
| 212 | struct igmpmsg {␊ |
| 213 | u_int32_t␉ unused1;␊ |
| 214 | u_int32_t␉ unused2;␊ |
| 215 | u_char␉ im_msgtype;␉␉␉/* what type of message␉ */␊ |
| 216 | #define IGMPMSG_NOCACHE␉␉1␊ |
| 217 | #define IGMPMSG_WRONGVIF␉2␊ |
| 218 | u_char␉ im_mbz;␉␉␉/* must be zero␉␉ */␊ |
| 219 | u_char␉ im_vif;␉␉␉/* vif rec'd on␉␉ */␊ |
| 220 | u_char␉ unused3;␊ |
| 221 | struct in_addr im_src, im_dst;␊ |
| 222 | };␊ |
| 223 | ␊ |
| 224 | #define MFCTBLSIZ CONFIG_MFCTBLSIZ␊ |
| 225 | ␊ |
| 226 | #endif /* _NETINET_IP_MROUTE_H_ */␊ |
| 227 | |
