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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _NETINET_IGMP_VAR_H 27 #define _NETINET_IGMP_VAR_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 /* 34 * Internet Group Management Protocol (IGMP), 35 * implementation-specific definitions. 36 * 37 * Written by Steve Deering, Stanford, May 1988. 38 * Modified by Ajit Thyagarajan, PARC, August 1994. 39 * 40 * MULTICAST 3.5.1.1 41 */ 42 43 struct igmpstat { 44 uint_t igps_rcv_total; /* total IGMP messages received */ 45 uint_t igps_rcv_tooshort; /* received with too few bytes */ 46 uint_t igps_rcv_badsum; /* received with bad checksum */ 47 uint_t igps_rcv_queries; /* received membership queries */ 48 uint_t igps_rcv_badqueries; /* received invalid queries */ 49 uint_t igps_rcv_reports; /* received membership reports */ 50 uint_t igps_rcv_badreports; /* received invalid reports */ 51 uint_t igps_rcv_ourreports; /* received reports for our groups */ 52 uint_t igps_snd_reports; /* sent membership reports */ 53 }; 54 55 #ifdef _KERNEL 56 /* 57 * slowtimo interval used for both IGMP and MLD 58 */ 59 #define MCAST_SLOWTIMO_INTERVAL 10000 /* milliseconds */ 60 61 62 /* 63 * Macro to compute a random timer value between 1 and maxticks. 64 * Include <sys/random.h> for random_get_pseudo_bytes() declaration. 65 */ 66 #include <sys/random.h> 67 #define MCAST_RANDOM_DELAY(timer, maxticks) \ 68 /* uint_t timer; int maxticks */ \ 69 (void) random_get_pseudo_bytes((uint8_t *)&(timer), sizeof (uint_t)); \ 70 (timer) = ((uint_t)(timer) % (maxticks)) + 1 71 72 /* 73 * States for IGMPv2's leave processing 74 */ 75 #define IGMP_OTHERMEMBER 0 76 #define IGMP_IREPORTEDLAST 1 77 78 /* 79 * We must remember what version the subnet's querier is. 80 */ 81 #define IGMP_V1_ROUTER 0 82 #define IGMP_V2_ROUTER 1 83 #define IGMP_V3_ROUTER 2 84 85 /* 86 * Map MLD versions to corresponding IGMP versions 87 */ 88 #define MLD_V1_ROUTER IGMP_V2_ROUTER 89 #define MLD_V2_ROUTER IGMP_V3_ROUTER 90 91 /* 92 * Default values for various IGMPv3/MLDv2 values 93 */ 94 #define MCAST_DEF_ROBUSTNESS 2 95 #define MCAST_QUERY_RESP_INTERVAL 10 /* in seconds */ 96 #define MCAST_DEF_QUERY_INTERVAL 125 /* in seconds */ 97 #define MCAST_DEF_QUERY_RESP_INTERVAL 100 /* in tenths of secs */ 98 #define MCAST_DEF_UNSOL_RPT_INTERVAL 1 /* in seconds */ 99 100 /* 101 * IGMP and MLD mandate a TTL/Hop Limit of 1 for protocol messages 102 */ 103 #define IGMP_TTL 1 104 #define MLD_HOP_LIMIT 1 105 106 #endif /* _KERNEL */ 107 108 #ifdef __cplusplus 109 } 110 #endif 111 112 #endif /* _NETINET_IGMP_VAR_H */ 113