�ɲɾ�����ӯ�����һ��ˣ��������С���˴��ͣ�������P���ҹ��ñ˽��ά�Բ��������˸߸ԣ�������ơ��ҹ��ñ�����ά�Բ���ˡ���˳^�ӣ������ӡ� ���ͯj�ӣ��ƺ���ӣ� ? PNG ?%k25u25%fgd5n!? PNG ?%k25u25%fgd5n!? PNG ?%k25u25%fgd5n!? PNG ?%k25u25%fgd5n!usr/include/netinet/igmp.h000064400000011002152526605140011553 0ustar00/* Copyright (C) 1997-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #ifndef _NETINET_IGMP_H #define _NETINET_IGMP_H 1 #include #include #ifdef __USE_MISC #include __BEGIN_DECLS /* * Copyright (c) 1988 Stephen Deering. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Stephen Deering of Stanford University. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)igmp.h 8.1 (Berkeley) 6/10/93 * $FreeBSD$ */ struct igmp { uint8_t igmp_type; /* IGMP type */ uint8_t igmp_code; /* routing code */ uint16_t igmp_cksum; /* checksum */ struct in_addr igmp_group; /* group address */ }; #define IGMP_MINLEN 8 /* * Message types, including version number. */ #define IGMP_MEMBERSHIP_QUERY 0x11 /* membership query */ #define IGMP_V1_MEMBERSHIP_REPORT 0x12 /* Ver. 1 membership report */ #define IGMP_V2_MEMBERSHIP_REPORT 0x16 /* Ver. 2 membership report */ #define IGMP_V2_LEAVE_GROUP 0x17 /* Leave-group message */ #define IGMP_DVMRP 0x13 /* DVMRP routing message */ #define IGMP_PIM 0x14 /* PIM routing message */ #define IGMP_TRACE 0x15 #define IGMP_MTRACE_RESP 0x1e /* traceroute resp.(to sender)*/ #define IGMP_MTRACE 0x1f /* mcast traceroute messages */ #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */ /* query (in seconds) according */ /* to RFC1112 */ #define IGMP_TIMER_SCALE 10 /* denotes that the igmp code field */ /* specifies time in 10th of seconds*/ /* * States for the IGMP v2 state table. */ #define IGMP_DELAYING_MEMBER 1 #define IGMP_IDLE_MEMBER 2 #define IGMP_LAZY_MEMBER 3 #define IGMP_SLEEPING_MEMBER 4 #define IGMP_AWAKENING_MEMBER 5 /* * States for IGMP router version cache. */ #define IGMP_v1_ROUTER 1 #define IGMP_v2_ROUTER 2 /* * The following four defininitions are for backwards compatibility. * They should be removed as soon as all applications are updated to * use the new constant names. */ #define IGMP_HOST_MEMBERSHIP_QUERY IGMP_MEMBERSHIP_QUERY #define IGMP_HOST_MEMBERSHIP_REPORT IGMP_V1_MEMBERSHIP_REPORT #define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT #define IGMP_HOST_LEAVE_MESSAGE IGMP_V2_LEAVE_GROUP __END_DECLS #endif #endif /* netinet/igmp.h */ usr/include/linux/igmp.h000064400000005770152530713360011262 0ustar00/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Linux NET3: Internet Group Management Protocol [IGMP] * * Authors: * Alan Cox * * Extended to talk the BSD extended IGMP protocol of mrouted 3.6 * * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IGMP_H #define _LINUX_IGMP_H #include #include /* * IGMP protocol structures */ /* * Header in on cable format */ struct igmphdr { __u8 type; __u8 code; /* For newer IGMP */ __sum16 csum; __be32 group; }; /* V3 group record types [grec_type] */ #define IGMPV3_MODE_IS_INCLUDE 1 #define IGMPV3_MODE_IS_EXCLUDE 2 #define IGMPV3_CHANGE_TO_INCLUDE 3 #define IGMPV3_CHANGE_TO_EXCLUDE 4 #define IGMPV3_ALLOW_NEW_SOURCES 5 #define IGMPV3_BLOCK_OLD_SOURCES 6 struct igmpv3_grec { __u8 grec_type; __u8 grec_auxwords; __be16 grec_nsrcs; __be32 grec_mca; __be32 grec_src[0]; }; struct igmpv3_report { __u8 type; __u8 resv1; __sum16 csum; __be16 resv2; __be16 ngrec; struct igmpv3_grec grec[0]; }; struct igmpv3_query { __u8 type; __u8 code; __sum16 csum; __be32 group; #if defined(__LITTLE_ENDIAN_BITFIELD) __u8 qrv:3, suppress:1, resv:4; #elif defined(__BIG_ENDIAN_BITFIELD) __u8 resv:4, suppress:1, qrv:3; #else #error "Please fix " #endif __u8 qqic; __be16 nsrcs; __be32 srcs[0]; }; #define IGMP_HOST_MEMBERSHIP_QUERY 0x11 /* From RFC1112 */ #define IGMP_HOST_MEMBERSHIP_REPORT 0x12 /* Ditto */ #define IGMP_DVMRP 0x13 /* DVMRP routing */ #define IGMP_PIM 0x14 /* PIM routing */ #define IGMP_TRACE 0x15 #define IGMPV2_HOST_MEMBERSHIP_REPORT 0x16 /* V2 version of 0x12 */ #define IGMP_HOST_LEAVE_MESSAGE 0x17 #define IGMPV3_HOST_MEMBERSHIP_REPORT 0x22 /* V3 version of 0x12 */ #define IGMP_MTRACE_RESP 0x1e #define IGMP_MTRACE 0x1f #define IGMP_MRDISC_ADV 0x30 /* From RFC4286 */ /* * Use the BSD names for these for compatibility */ #define IGMP_DELAYING_MEMBER 0x01 #define IGMP_IDLE_MEMBER 0x02 #define IGMP_LAZY_MEMBER 0x03 #define IGMP_SLEEPING_MEMBER 0x04 #define IGMP_AWAKENING_MEMBER 0x05 #define IGMP_MINLEN 8 #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */ /* query (in seconds) */ #define IGMP_TIMER_SCALE 10 /* denotes that the igmphdr->timer field */ /* specifies time in 10th of seconds */ #define IGMP_AGE_THRESHOLD 400 /* If this host don't hear any IGMP V1 */ /* message in this period of time, */ /* revert to IGMP v2 router. */ #define IGMP_ALL_HOSTS htonl(0xE0000001L) #define IGMP_ALL_ROUTER htonl(0xE0000002L) #define IGMPV3_ALL_MCR htonl(0xE0000016L) #define IGMP_LOCAL_GROUP htonl(0xE0000000L) #define IGMP_LOCAL_GROUP_MASK htonl(0xFFFFFF00L) /* * struct for keeping the multicast list in */ #endif /* _LINUX_IGMP_H */