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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _OSPF6_H 28 #define _OSPF6_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * Definitions for parsing OSPF packets (RFC 2328) 34 */ 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 struct lsa6_hdr { 41 uint16_t ls6_age; 42 uint16_t ls6_type; 43 uint32_t ls6_stateid; 44 uint32_t ls6_router; 45 uint32_t ls6_seq; 46 uint16_t ls6_chksum; 47 uint16_t ls6_length; 48 }; 49 50 struct lsa6_prefix { 51 uint8_t lsa6_plen; 52 uint8_t lsa6_popt; 53 uint16_t lsa6_pmbz; 54 uint8_t lsa6_pfx[4]; 55 }; 56 57 /* link state advertisement */ 58 struct lsa6 { 59 struct lsa6_hdr ls6_hdr; 60 61 /* Link state types */ 62 union { 63 /* Router links advertisements */ 64 struct { 65 union { 66 uint8_t rla_flg; 67 uint32_t rla_opt; 68 } un_rla_flgopt; 69 #define rla6_flags un_rla_flgopt.rla_flg 70 #define rla6_options un_rla_flgopt.rla_opt 71 struct rla6link { 72 uint8_t link_type; 73 uint8_t link_zero[1]; 74 uint16_t link_metric; 75 uint32_t link_ifid; 76 uint32_t link_nifid; 77 uint32_t link_nrtid; 78 } rla_link[1]; /* may repeat */ 79 } un_rla; 80 81 /* Network links advertisements */ 82 struct { 83 uint32_t nla_options; 84 uint32_t nla_router[1]; /* may repeat */ 85 } un_nla; 86 87 /* Inter Area Prefix LSA */ 88 struct { 89 uint32_t inter_ap_metric; 90 struct lsa6_prefix inter_ap_prefix[1]; 91 } un_inter_ap; 92 93 /* Link LSA */ 94 struct llsa { 95 union { 96 uint8_t pri; 97 uint32_t opt; 98 } llsa_priandopt; 99 #define llsa_priority llsa_priandopt.pri 100 #define llsa_options llsa_priandopt.opt 101 struct in6_addr llsa_lladdr; 102 uint32_t llsa_nprefix; 103 struct lsa6_prefix llsa_prefix[1]; 104 } un_llsa; 105 106 /* Intra-Area-Prefix */ 107 struct { 108 uint16_t intra_ap_nprefix; 109 uint16_t intra_ap_lstype; 110 uint32_t intra_ap_lsid; 111 uint32_t intra_ap_rtid; 112 struct lsa6_prefix intra_ap_prefix[1]; 113 } un_intra_ap; 114 } lsa_un; 115 }; 116 117 struct ospf6hdr { 118 uint8_t ospf6_version; 119 uint8_t ospf6_type; 120 uint16_t ospf6_len; 121 uint32_t ospf6_routerid; 122 uint32_t ospf6_areaid; 123 uint16_t ospf6_chksum; 124 uint8_t ospf6_instanceid; 125 uint8_t ospf6_rsvd; 126 union { 127 128 /* Hello packet */ 129 struct { 130 uint32_t hello_ifid; 131 union { 132 uint8_t pri; 133 uint32_t opt; 134 } hello_priandopt; 135 #define hello6_priority hello_priandopt.pri 136 #define hello6_options hello_priandopt.opt 137 uint16_t hello_helloint; 138 uint16_t hello_deadint; 139 uint32_t hello_dr; 140 uint32_t hello_bdr; 141 uint32_t hello_neighbor[1]; /* may repeat */ 142 } un_hello; 143 144 /* Database Description packet */ 145 struct { 146 uint32_t db_options; 147 uint16_t db_mtu; 148 uint8_t db_mbz; 149 uint8_t db_flags; 150 uint32_t db_seq; 151 struct lsa6_hdr db_lshdr[1]; /* may repeat */ 152 } un_db; 153 154 /* Link State Request */ 155 struct lsr6 { 156 uint16_t ls_mbz; 157 uint16_t ls_type; 158 uint32_t ls_stateid; 159 uint32_t ls_router; 160 } un_lsr[1]; /* may repeat */ 161 162 /* Link State Update */ 163 struct { 164 uint32_t lsu_count; 165 struct lsa6 lsu_lsa[1]; /* may repeat */ 166 } un_lsu; 167 168 /* Link State Acknowledgement */ 169 struct { 170 struct lsa6_hdr lsa_lshdr[1]; /* may repeat */ 171 } un_lsa; 172 } ospf6_un; 173 }; 174 175 #define ospf6_hello ospf6_un.un_hello 176 #define ospf6_db ospf6_un.un_db 177 #define ospf6_lsr ospf6_un.un_lsr 178 #define ospf6_lsu ospf6_un.un_lsu 179 #define ospf6_lsa ospf6_un.un_lsa 180 181 #ifdef __cplusplus 182 } 183 #endif 184 185 #endif /* _OSPF6_H */ 186