1 /* $NetBSD: igmp_var.h,v 1.27 2021/02/17 22:32:04 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Stephen Deering of Stanford University. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)igmp_var.h 8.1 (Berkeley) 7/19/93 35 */ 36 37 /* 38 * Copyright (c) 1988 Stephen Deering. 39 * 40 * This code is derived from software contributed to Berkeley by 41 * Stephen Deering of Stanford University. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by the University of 54 * California, Berkeley and its contributors. 55 * 4. Neither the name of the University nor the names of its contributors 56 * may be used to endorse or promote products derived from this software 57 * without specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 * @(#)igmp_var.h 8.1 (Berkeley) 7/19/93 72 */ 73 74 #ifndef _NETINET_IGMP_VAR_H_ 75 #define _NETINET_IGMP_VAR_H_ 76 77 /* 78 * Internet Group Management Protocol (IGMP), 79 * implementation-specific definitions. 80 * 81 * Written by Steve Deering, Stanford, May 1988. 82 * Modified by Rosen Sharma, Stanford, Aug 1994. 83 * Modified by Bill Fenner, Xerox PARC, Feb 1995. 84 * 85 * MULTICAST 1.3 86 */ 87 88 #define IGMP_STAT_RCV_TOTAL 1 /* total IGMP messages received */ 89 #define IGMP_STAT_RCV_TOOSHORT 2 /* received with too few bytes */ 90 #define IGMP_STAT_RCV_BADSUM 3 /* received with bad checksum */ 91 #define IGMP_STAT_RCV_QUERIES 4 /* received membership queries */ 92 #define IGMP_STAT_RCV_BADQUERIES 5 /* received invalid queries */ 93 #define IGMP_STAT_RCV_REPORTS 6 /* received membership reports */ 94 #define IGMP_STAT_RCV_BADREPORTS 7 /* received invalid reports */ 95 #define IGMP_STAT_RCV_OURREPORTS 8 /* received reports for our groups */ 96 #define IGMP_STAT_SND_REPORTS 9 /* sent membership reports */ 97 98 #define IGMP_NSTATS 10 99 100 #ifdef _KERNEL 101 /* 102 * Macro to compute a random timer value between 1 and (IGMP_MAX_REPORTING_ 103 * DELAY * countdown frequency). We assume that the routine random() 104 * is defined somewhere (and that it returns a positive number). 105 */ 106 #define IGMP_RANDOM_DELAY(X) (cprng_fast32() % (X) + 1) 107 108 void igmp_init(void); 109 void igmp_input(struct mbuf *, int, int); 110 int igmp_joingroup(struct in_multi *); 111 void igmp_leavegroup(struct in_multi *); 112 void igmp_fasttimo(void); 113 void igmp_slowtimo(void); 114 void igmp_purgeif(struct ifnet *); 115 #endif /* _KERNEL */ 116 117 #endif /* !_NETINET_IGMP_VAR_H_ */ 118