1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _NETINET_IGMP_VAR_H 28 #define _NETINET_IGMP_VAR_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Internet Group Management Protocol (IGMP), 38 * implementation-specific definitions. 39 * 40 * Written by Steve Deering, Stanford, May 1988. 41 * Modified by Ajit Thyagarajan, PARC, August 1994. 42 * 43 * MULTICAST 3.5.1.1 44 */ 45 46 struct igmpstat { 47 uint_t igps_rcv_total; /* total IGMP messages received */ 48 uint_t igps_rcv_tooshort; /* received with too few bytes */ 49 uint_t igps_rcv_badsum; /* received with bad checksum */ 50 uint_t igps_rcv_queries; /* received membership queries */ 51 uint_t igps_rcv_badqueries; /* received invalid queries */ 52 uint_t igps_rcv_reports; /* received membership reports */ 53 uint_t igps_rcv_badreports; /* received invalid reports */ 54 uint_t igps_rcv_ourreports; /* received reports for our groups */ 55 uint_t igps_snd_reports; /* sent membership reports */ 56 }; 57 58 #ifdef _KERNEL 59 struct igmpstat igmpstat; 60 61 /* 62 * slowtimo interval used for both IGMP and MLD 63 */ 64 #define MCAST_SLOWTIMO_INTERVAL 10000 /* milliseconds */ 65 66 67 /* 68 * Macro to compute a random timer value between 1 and maxticks. 69 * Include <sys/random.h> for random_get_pseudo_bytes() declaration. 70 */ 71 #include <sys/random.h> 72 #define MCAST_RANDOM_DELAY(timer, maxticks) \ 73 /* uint_t timer; int maxticks */ \ 74 (void) random_get_pseudo_bytes((uint8_t *)&(timer), sizeof (uint_t)); \ 75 (timer) = ((uint_t)(timer) % (maxticks)) + 1 76 77 /* 78 * States for IGMPv2's leave processing 79 */ 80 #define IGMP_OTHERMEMBER 0 81 #define IGMP_IREPORTEDLAST 1 82 83 /* 84 * We must remember what version the subnet's querier is. 85 */ 86 #define IGMP_V1_ROUTER 0 87 #define IGMP_V2_ROUTER 1 88 #define IGMP_V3_ROUTER 2 89 90 /* 91 * Map MLD versions to corresponding IGMP versions 92 */ 93 #define MLD_V1_ROUTER IGMP_V2_ROUTER 94 #define MLD_V2_ROUTER IGMP_V3_ROUTER 95 96 /* 97 * Default values for various IGMPv3/MLDv2 values 98 */ 99 #define MCAST_DEF_ROBUSTNESS 2 100 #define MCAST_QUERY_RESP_INTERVAL 10 /* in seconds */ 101 #define MCAST_DEF_QUERY_INTERVAL 125 /* in seconds */ 102 #define MCAST_DEF_QUERY_RESP_INTERVAL 100 /* in tenths of secs */ 103 #define MCAST_DEF_UNSOL_RPT_INTERVAL 1 /* in seconds */ 104 105 /* 106 * IGMP and MLD mandate a TTL/Hop Limit of 1 for protocol messages 107 */ 108 #define IGMP_TTL 1 109 #define MLD_HOP_LIMIT 1 110 111 #endif /* _KERNEL */ 112 113 #ifdef __cplusplus 114 } 115 #endif 116 117 #endif /* _NETINET_IGMP_VAR_H */ 118