00001 #ifndef _NETINET_IGMP_H_ 00002 #define _NETINET_IGMP_H_ 00003 00004 /* 00005 * Copyright (C) 2007 by egnite Software GmbH. All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 3. Neither the name of the copyright holders nor the names of 00017 * contributors may be used to endorse or promote products derived 00018 * from this software without specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00021 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00024 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00027 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00028 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00029 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00030 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00031 * SUCH DAMAGE. 00032 * 00033 * For additional information see http://www.ethernut.de/ 00034 * 00035 * - 00036 * Copyright (c) 1988 Stephen Deering. 00037 * Copyright (c) 1992, 1993 00038 * The Regents of the University of California. All rights reserved. 00039 * 00040 * Redistribution and use in source and binary forms, with or without 00041 * modification, are permitted provided that the following conditions 00042 * are met: 00043 * 1. Redistributions of source code must retain the above copyright 00044 * notice, this list of conditions and the following disclaimer. 00045 * 2. Redistributions in binary form must reproduce the above copyright 00046 * notice, this list of conditions and the following disclaimer in the 00047 * documentation and/or other materials provided with the distribution. 00048 * 3. Neither the name of the University nor the names of its contributors 00049 * may be used to endorse or promote products derived from this software 00050 * without specific prior written permission. 00051 * 00052 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 00053 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00054 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00055 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 00056 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00057 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00058 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00059 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00060 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00061 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00062 * SUCH DAMAGE. 00063 */ 00064 00065 /* 00066 * $Log: igmp.h,v $ 00067 * Revision 1.2 2007/08/29 07:43:54 haraldkipp 00068 * Documentation updated and corrected. 00069 * 00070 * Revision 1.1 2007/05/02 11:18:32 haraldkipp 00071 * IGMP support added. Incomplete. 00072 * 00073 */ 00074 00075 #include <sys/types.h> 00076 #include <dev/netbuf.h> 00077 #include <net/if_var.h> 00078 00088 00093 typedef struct __attribute__ ((packed)) 00094 igmp IGMP; 00095 00100 struct __attribute__ ((packed)) igmp 00101 { 00102 u_char igmp_type; 00103 u_char igmp_code; 00104 u_short igmp_cksum; 00105 u_long igmp_group; 00106 }; 00107 00111 struct __attribute__ ((packed)) igmpv3 { 00112 u_char igmp_type; 00113 u_char igmp_code; 00114 u_short igmp_cksum; 00115 u_long igmp_group; 00116 u_char igmp_misc; 00117 u_char igmp_qqi; 00118 u_short igmp_numsrc; 00119 u_long igmp_sources[1]; 00120 }; 00121 00125 struct __attribute__ ((packed)) igmp_grouprec { 00126 u_char ig_type; 00127 u_char ig_datalen; 00128 u_short ig_numsrc; 00129 u_long ig_group; 00130 u_long ig_sources[1]; 00131 }; 00132 00136 struct __attribute__ ((packed)) igmp_report { 00137 u_char ir_type; 00138 u_char ir_rsv1; 00139 u_short ir_cksum; 00140 u_short ir_rsv2; 00141 u_short ir_numgrps; 00142 struct igmp_grouprec ir_groups[1]; 00143 }; 00144 00148 #define IGMP_MINLEN 8 00149 00150 #define IGMP_MEMBERSHIP_QUERY 0x11 00151 #define IGMP_V1_MEMBERSHIP_REPORT 0x12 00152 #define IGMP_V2_MEMBERSHIP_REPORT 0x16 00153 #define IGMP_V3_MEMBERSHIP_REPORT 0x22 00154 #define IGMP_V2_LEAVE_GROUP 0x17 00159 #define IGMP_MAX_HOST_REPORT_DELAY 10 00160 00164 #define IGMP_TIMER_SCALE 10 00165 00170 #define IGMP_REPORT_MODE_IN 1 00171 #define IGMP_REPORT_MODE_EX 2 00172 #define IGMP_REPORT_TO_IN 3 00173 #define IGMP_REPORT_TO_EX 4 00174 #define IGMP_REPORT_ALLOW_NEW 5 00175 #define IGMP_REPORT_BLOCK_OLD 6 00177 00178 00182 #define IGMP_MASK_CUR_STATE 0x01 00183 #define IGMP_MASK_ALLOW_NEW 0x02 00184 #define IGMP_MASK_BLOCK_OLD 0x04 00185 #define IGMP_MASK_TO_IN 0x08 00186 #define IGMP_MASK_TO_EX 0x10 00187 #define IGMP_MASK_STATE_T1 0x20 00188 #define IGMP_MASK_STATE_T2 0x40 00189 #define IGMP_MASK_IF_STATE 0x80 00191 #define IGMP_MASK_STATE_TX (IGMP_MASK_STATE_T1 | IGMP_MASK_STATE_T2) 00192 #define IGMP_MASK_PENDING (IGMP_MASK_CUR_STATE | IGMP_MASK_ALLOW_NEW | IGMP_MASK_BLOCK_OLD) 00193 00198 #define IGMP_EXCLUDE_LIST 1 /* Exclude list used to tag report. */ 00199 #define IGMP_INCLUDE_LIST 2 /* Include list used to tag report. */ 00200 #define IGMP_RECORDED_LIST 3 /* Recorded list used to tag report. */ 00201 00202 00203 __BEGIN_DECLS 00204 /* Function prototypes */ 00205 extern void NutIgmpInput(NUTDEVICE * dev, NETBUF * nb); 00206 extern int NutIgmpOutput(u_char type, u_long dest, NETBUF * nb); 00207 00208 __END_DECLS 00209 /* End of prototypes */ 00211 #endif