1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #ifndef _OSPF_H 28*7c478bd9Sstevel@tonic-gate #define _OSPF_H 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate /* 31*7c478bd9Sstevel@tonic-gate * Definitions for parsing OSPF packets (RFC 2328 and RFC 2740) 32*7c478bd9Sstevel@tonic-gate */ 33*7c478bd9Sstevel@tonic-gate 34*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 35*7c478bd9Sstevel@tonic-gate extern "C" { 36*7c478bd9Sstevel@tonic-gate #endif 37*7c478bd9Sstevel@tonic-gate 38*7c478bd9Sstevel@tonic-gate #define OSPF_TYPE_UMD 0 /* UMD's special monitoring packets */ 39*7c478bd9Sstevel@tonic-gate #define OSPF_TYPE_HELLO 1 /* Hello */ 40*7c478bd9Sstevel@tonic-gate #define OSPF_TYPE_DB 2 /* Database Description */ 41*7c478bd9Sstevel@tonic-gate #define OSPF_TYPE_LSR 3 /* Link State Request */ 42*7c478bd9Sstevel@tonic-gate #define OSPF_TYPE_LSU 4 /* Link State Update */ 43*7c478bd9Sstevel@tonic-gate #define OSPF_TYPE_LSA 5 /* Link State Ack */ 44*7c478bd9Sstevel@tonic-gate #define OSPF_TYPE_MAX 6 45*7c478bd9Sstevel@tonic-gate 46*7c478bd9Sstevel@tonic-gate extern char *ospf_types[]; 47*7c478bd9Sstevel@tonic-gate struct bits { 48*7c478bd9Sstevel@tonic-gate uint32_t bit; 49*7c478bd9Sstevel@tonic-gate const char *str; 50*7c478bd9Sstevel@tonic-gate }; 51*7c478bd9Sstevel@tonic-gate char *ospf_print_bits(const struct bits *, uchar_t); 52*7c478bd9Sstevel@tonic-gate char *ospf_print_lsa_age(long); 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate /* Options *_options */ 55*7c478bd9Sstevel@tonic-gate #define OSPF_OPTION_T 0x01 /* RFC 2328 T bit: TOS support */ 56*7c478bd9Sstevel@tonic-gate #define OSPF_OPTION_E 0x02 /* E bit: External routes advertised */ 57*7c478bd9Sstevel@tonic-gate #define OSPF_OPTION_MC 0x04 /* MC bit: Multicast capable */ 58*7c478bd9Sstevel@tonic-gate #define OSPF_OPTION_N 0x08 /* N bit: For type-7 LSA */ 59*7c478bd9Sstevel@tonic-gate #define OSPF_OPTION_R 0x10 /* R bit: Router bit */ 60*7c478bd9Sstevel@tonic-gate #define OSPF_OPTION_DC 0x20 /* DC bit: Demand circuits */ 61*7c478bd9Sstevel@tonic-gate 62*7c478bd9Sstevel@tonic-gate #define OSPF_OPTION_V6 0x01 /* RFC 2740 V6 bit */ 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate /* ospf_authtype */ 65*7c478bd9Sstevel@tonic-gate #define OSPF_AUTH_NONE 0 /* No auth-data */ 66*7c478bd9Sstevel@tonic-gate #define OSPF_AUTH_SIMPLE 1 /* Simple password */ 67*7c478bd9Sstevel@tonic-gate #define OSPF_AUTH_MD5 2 /* MD5 authentication */ 68*7c478bd9Sstevel@tonic-gate #define OSPF_AUTH_MD5_LEN 16 /* length of MD5 authentication */ 69*7c478bd9Sstevel@tonic-gate 70*7c478bd9Sstevel@tonic-gate #define OSPF_AUTH_TYPE_MAX 3 71*7c478bd9Sstevel@tonic-gate 72*7c478bd9Sstevel@tonic-gate /* db_flags */ 73*7c478bd9Sstevel@tonic-gate #define OSPF_DB_INIT 0x04 /* "I" */ 74*7c478bd9Sstevel@tonic-gate #define OSPF_DB_MORE 0x02 /* "M" */ 75*7c478bd9Sstevel@tonic-gate #define OSPF_DB_MASTER 0x01 /* "MS" */ 76*7c478bd9Sstevel@tonic-gate 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate /* ls_type */ 79*7c478bd9Sstevel@tonic-gate #define LS_TYPE_ROUTER 1 /* router link */ 80*7c478bd9Sstevel@tonic-gate #define LS_TYPE_NETWORK 2 /* network link */ 81*7c478bd9Sstevel@tonic-gate #define LS_TYPE_SUM_IP 3 /* summary link */ 82*7c478bd9Sstevel@tonic-gate #define LS_TYPE_SUM_ABR 4 /* summary area link */ 83*7c478bd9Sstevel@tonic-gate #define LS_TYPE_ASE 5 /* ASE */ 84*7c478bd9Sstevel@tonic-gate #define LS_TYPE_GROUP 6 /* Group membership (multicast */ 85*7c478bd9Sstevel@tonic-gate /* extensions 23 July 1991) */ 86*7c478bd9Sstevel@tonic-gate #define LS_TYPE_TYPE7 7 /* Type 7 LSA */ 87*7c478bd9Sstevel@tonic-gate #define LS_TYPE_LINK 8 /* Link LSA */ 88*7c478bd9Sstevel@tonic-gate #define LS_TYPE_INTRA_AP 9 /* Intra-Area-Prefix */ 89*7c478bd9Sstevel@tonic-gate #define LS_TYPE_MAX 10 90*7c478bd9Sstevel@tonic-gate #define LS_TYPE_MASK 0x1fff 91*7c478bd9Sstevel@tonic-gate 92*7c478bd9Sstevel@tonic-gate #define LS_TYPE_INTER_AP 3 /* RFC 2740 Inter-Area-Prefix */ 93*7c478bd9Sstevel@tonic-gate #define LS_TYPE_INTER_AR 4 /* RFC 2740 Inter-Area-Router */ 94*7c478bd9Sstevel@tonic-gate 95*7c478bd9Sstevel@tonic-gate #define LS6_SCOPE_LINKLOCAL 0x0000 96*7c478bd9Sstevel@tonic-gate #define LS6_SCOPE_AREA 0x2000 97*7c478bd9Sstevel@tonic-gate #define LS6_SCOPE_AS 0x4000 98*7c478bd9Sstevel@tonic-gate #define LS6_SCOPE_MASK 0x6000 99*7c478bd9Sstevel@tonic-gate 100*7c478bd9Sstevel@tonic-gate /* rla_link.link_type */ 101*7c478bd9Sstevel@tonic-gate #define RLA_TYPE_ROUTER 1 /* point-to-point to another router */ 102*7c478bd9Sstevel@tonic-gate #define RLA_TYPE_TRANSIT 2 /* connection to transit network */ 103*7c478bd9Sstevel@tonic-gate #define RLA_TYPE_STUB 3 /* connection to stub network */ 104*7c478bd9Sstevel@tonic-gate #define RLA_TYPE_VIRTUAL 4 /* virtual link */ 105*7c478bd9Sstevel@tonic-gate 106*7c478bd9Sstevel@tonic-gate /* rla_flags */ 107*7c478bd9Sstevel@tonic-gate #define RLA_FLAG_B 0x01 108*7c478bd9Sstevel@tonic-gate #define RLA_FLAG_E 0x02 109*7c478bd9Sstevel@tonic-gate #define RLA_FLAG_V 0x04 110*7c478bd9Sstevel@tonic-gate #define RLA_FLAG_W 0x08 111*7c478bd9Sstevel@tonic-gate 112*7c478bd9Sstevel@tonic-gate 113*7c478bd9Sstevel@tonic-gate /* sla_tosmetric breakdown */ 114*7c478bd9Sstevel@tonic-gate #define SLA_MASK_TOS 0x7f000000 115*7c478bd9Sstevel@tonic-gate #define SLA_MASK_METRIC 0x00ffffff 116*7c478bd9Sstevel@tonic-gate #define SLA_SHIFT_TOS 24 117*7c478bd9Sstevel@tonic-gate 118*7c478bd9Sstevel@tonic-gate /* asla_tosmetric breakdown */ 119*7c478bd9Sstevel@tonic-gate #define ASLA_FLAG_EXTERNAL 0x80000000 120*7c478bd9Sstevel@tonic-gate #define ASLA_MASK_TOS 0x7f000000 121*7c478bd9Sstevel@tonic-gate #define ASLA_SHIFT_TOS 24 122*7c478bd9Sstevel@tonic-gate #define ASLA_MASK_METRIC 0x00ffffff 123*7c478bd9Sstevel@tonic-gate 124*7c478bd9Sstevel@tonic-gate /* multicast vertex type */ 125*7c478bd9Sstevel@tonic-gate #define MCLA_VERTEX_ROUTER 1 126*7c478bd9Sstevel@tonic-gate #define MCLA_VERTEX_NETWORK 2 127*7c478bd9Sstevel@tonic-gate 128*7c478bd9Sstevel@tonic-gate /* link state advertisement header */ 129*7c478bd9Sstevel@tonic-gate struct lsa_hdr { 130*7c478bd9Sstevel@tonic-gate ushort_t ls_age; 131*7c478bd9Sstevel@tonic-gate uchar_t ls_options; 132*7c478bd9Sstevel@tonic-gate uchar_t ls_type; 133*7c478bd9Sstevel@tonic-gate struct in_addr ls_stateid; 134*7c478bd9Sstevel@tonic-gate struct in_addr ls_router; 135*7c478bd9Sstevel@tonic-gate uint32_t ls_seq; 136*7c478bd9Sstevel@tonic-gate ushort_t ls_chksum; 137*7c478bd9Sstevel@tonic-gate ushort_t ls_length; 138*7c478bd9Sstevel@tonic-gate }; 139*7c478bd9Sstevel@tonic-gate 140*7c478bd9Sstevel@tonic-gate /* link state advertisement */ 141*7c478bd9Sstevel@tonic-gate struct lsa { 142*7c478bd9Sstevel@tonic-gate struct lsa_hdr ls_hdr; 143*7c478bd9Sstevel@tonic-gate 144*7c478bd9Sstevel@tonic-gate /* Link state types */ 145*7c478bd9Sstevel@tonic-gate union { 146*7c478bd9Sstevel@tonic-gate /* Router links advertisements */ 147*7c478bd9Sstevel@tonic-gate struct { 148*7c478bd9Sstevel@tonic-gate uchar_t rla_flags; 149*7c478bd9Sstevel@tonic-gate uchar_t rla_zero[1]; 150*7c478bd9Sstevel@tonic-gate ushort_t rla_count; 151*7c478bd9Sstevel@tonic-gate struct rlalink { 152*7c478bd9Sstevel@tonic-gate struct in_addr link_id; 153*7c478bd9Sstevel@tonic-gate struct in_addr link_data; 154*7c478bd9Sstevel@tonic-gate uchar_t link_type; 155*7c478bd9Sstevel@tonic-gate uchar_t link_toscount; 156*7c478bd9Sstevel@tonic-gate ushort_t link_tos0metric; 157*7c478bd9Sstevel@tonic-gate } rla_link[1]; /* may repeat */ 158*7c478bd9Sstevel@tonic-gate } un_rla; 159*7c478bd9Sstevel@tonic-gate 160*7c478bd9Sstevel@tonic-gate /* Network links advertisements */ 161*7c478bd9Sstevel@tonic-gate struct { 162*7c478bd9Sstevel@tonic-gate struct in_addr nla_mask; 163*7c478bd9Sstevel@tonic-gate struct in_addr nla_router[1]; /* may repeat */ 164*7c478bd9Sstevel@tonic-gate } un_nla; 165*7c478bd9Sstevel@tonic-gate 166*7c478bd9Sstevel@tonic-gate /* Summary links advertisements */ 167*7c478bd9Sstevel@tonic-gate struct { 168*7c478bd9Sstevel@tonic-gate struct in_addr sla_mask; 169*7c478bd9Sstevel@tonic-gate uint32_t sla_tosmetric[1]; /* may repeat */ 170*7c478bd9Sstevel@tonic-gate } un_sla; 171*7c478bd9Sstevel@tonic-gate 172*7c478bd9Sstevel@tonic-gate /* AS external links advertisements */ 173*7c478bd9Sstevel@tonic-gate struct { 174*7c478bd9Sstevel@tonic-gate struct in_addr asla_mask; 175*7c478bd9Sstevel@tonic-gate struct aslametric { 176*7c478bd9Sstevel@tonic-gate uint32_t asla_tosmetric; 177*7c478bd9Sstevel@tonic-gate struct in_addr asla_forward; 178*7c478bd9Sstevel@tonic-gate struct in_addr asla_tag; 179*7c478bd9Sstevel@tonic-gate } asla_metric[1]; /* may repeat */ 180*7c478bd9Sstevel@tonic-gate } un_asla; 181*7c478bd9Sstevel@tonic-gate 182*7c478bd9Sstevel@tonic-gate /* Multicast group membership */ 183*7c478bd9Sstevel@tonic-gate struct mcla { 184*7c478bd9Sstevel@tonic-gate uint32_t mcla_vtype; 185*7c478bd9Sstevel@tonic-gate struct in_addr mcla_vid; 186*7c478bd9Sstevel@tonic-gate } un_mcla[1]; 187*7c478bd9Sstevel@tonic-gate } lsa_un; 188*7c478bd9Sstevel@tonic-gate }; 189*7c478bd9Sstevel@tonic-gate 190*7c478bd9Sstevel@tonic-gate /* 191*7c478bd9Sstevel@tonic-gate * TOS metric struct (will be 0 or more in router links update) 192*7c478bd9Sstevel@tonic-gate */ 193*7c478bd9Sstevel@tonic-gate struct tos_metric { 194*7c478bd9Sstevel@tonic-gate uchar_t tos_type; 195*7c478bd9Sstevel@tonic-gate uchar_t tos_zero; 196*7c478bd9Sstevel@tonic-gate ushort_t tos_metric; 197*7c478bd9Sstevel@tonic-gate }; 198*7c478bd9Sstevel@tonic-gate 199*7c478bd9Sstevel@tonic-gate /* 200*7c478bd9Sstevel@tonic-gate * OSPF minimum header sizes 201*7c478bd9Sstevel@tonic-gate */ 202*7c478bd9Sstevel@tonic-gate #define OSPF_AUTH_SIZE 8 203*7c478bd9Sstevel@tonic-gate #define OSPF_MIN_HEADER_SIZE 24 204*7c478bd9Sstevel@tonic-gate #define OSPF6_MIN_HEADER_SIZE 16 205*7c478bd9Sstevel@tonic-gate #define OSPF_MIN_HELLO_HEADER_SIZE 20 206*7c478bd9Sstevel@tonic-gate #define OSPF_MIN_DB_HEADER_SIZE 8 207*7c478bd9Sstevel@tonic-gate #define OSPF6_MIN_DB_HEADER_SIZE 12 208*7c478bd9Sstevel@tonic-gate #define OSPF_MIN_LSR_HEADER_SIZE 12 209*7c478bd9Sstevel@tonic-gate #define OSPF_MIN_LSU_HEADER_SIZE 4 210*7c478bd9Sstevel@tonic-gate 211*7c478bd9Sstevel@tonic-gate /* 212*7c478bd9Sstevel@tonic-gate * ospf packet header 213*7c478bd9Sstevel@tonic-gate */ 214*7c478bd9Sstevel@tonic-gate struct ospfhdr { 215*7c478bd9Sstevel@tonic-gate uchar_t ospf_version; 216*7c478bd9Sstevel@tonic-gate uchar_t ospf_type; 217*7c478bd9Sstevel@tonic-gate ushort_t ospf_len; 218*7c478bd9Sstevel@tonic-gate struct in_addr ospf_routerid; 219*7c478bd9Sstevel@tonic-gate struct in_addr ospf_areaid; 220*7c478bd9Sstevel@tonic-gate ushort_t ospf_chksum; 221*7c478bd9Sstevel@tonic-gate ushort_t ospf_authtype; 222*7c478bd9Sstevel@tonic-gate uchar_t ospf_authdata[OSPF_AUTH_SIZE]; 223*7c478bd9Sstevel@tonic-gate union { 224*7c478bd9Sstevel@tonic-gate 225*7c478bd9Sstevel@tonic-gate /* Hello packet */ 226*7c478bd9Sstevel@tonic-gate struct { 227*7c478bd9Sstevel@tonic-gate struct in_addr hello_mask; 228*7c478bd9Sstevel@tonic-gate ushort_t hello_helloint; 229*7c478bd9Sstevel@tonic-gate uchar_t hello_options; 230*7c478bd9Sstevel@tonic-gate uchar_t hello_priority; 231*7c478bd9Sstevel@tonic-gate uint32_t hello_deadint; 232*7c478bd9Sstevel@tonic-gate struct in_addr hello_dr; 233*7c478bd9Sstevel@tonic-gate struct in_addr hello_bdr; 234*7c478bd9Sstevel@tonic-gate struct in_addr hello_neighbor[1]; /* may repeat */ 235*7c478bd9Sstevel@tonic-gate } un_hello; 236*7c478bd9Sstevel@tonic-gate 237*7c478bd9Sstevel@tonic-gate /* Database Description packet */ 238*7c478bd9Sstevel@tonic-gate struct { 239*7c478bd9Sstevel@tonic-gate uchar_t db_zero[2]; 240*7c478bd9Sstevel@tonic-gate uchar_t db_options; 241*7c478bd9Sstevel@tonic-gate uchar_t db_flags; 242*7c478bd9Sstevel@tonic-gate uint32_t db_seq; 243*7c478bd9Sstevel@tonic-gate struct lsa_hdr db_lshdr[1]; /* may repeat */ 244*7c478bd9Sstevel@tonic-gate } un_db; 245*7c478bd9Sstevel@tonic-gate 246*7c478bd9Sstevel@tonic-gate /* Link State Request */ 247*7c478bd9Sstevel@tonic-gate struct lsr { 248*7c478bd9Sstevel@tonic-gate uint32_t ls_type; 249*7c478bd9Sstevel@tonic-gate struct in_addr ls_stateid; 250*7c478bd9Sstevel@tonic-gate struct in_addr ls_router; 251*7c478bd9Sstevel@tonic-gate } un_lsr[1]; /* may repeat */ 252*7c478bd9Sstevel@tonic-gate 253*7c478bd9Sstevel@tonic-gate /* Link State Update */ 254*7c478bd9Sstevel@tonic-gate struct { 255*7c478bd9Sstevel@tonic-gate uint32_t lsu_count; 256*7c478bd9Sstevel@tonic-gate struct lsa lsu_lsa[1]; /* may repeat */ 257*7c478bd9Sstevel@tonic-gate } un_lsu; 258*7c478bd9Sstevel@tonic-gate 259*7c478bd9Sstevel@tonic-gate /* Link State Acknowledgement */ 260*7c478bd9Sstevel@tonic-gate struct { 261*7c478bd9Sstevel@tonic-gate struct lsa_hdr lsa_lshdr[1]; /* may repeat */ 262*7c478bd9Sstevel@tonic-gate } un_lsa; 263*7c478bd9Sstevel@tonic-gate } ospf_un; 264*7c478bd9Sstevel@tonic-gate }; 265*7c478bd9Sstevel@tonic-gate 266*7c478bd9Sstevel@tonic-gate #define ospf_hello ospf_un.un_hello 267*7c478bd9Sstevel@tonic-gate #define ospf_db ospf_un.un_db 268*7c478bd9Sstevel@tonic-gate #define ospf_lsr ospf_un.un_lsr 269*7c478bd9Sstevel@tonic-gate #define ospf_lsu ospf_un.un_lsu 270*7c478bd9Sstevel@tonic-gate #define ospf_lsa ospf_un.un_lsa 271*7c478bd9Sstevel@tonic-gate 272*7c478bd9Sstevel@tonic-gate 273*7c478bd9Sstevel@tonic-gate 274*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 275*7c478bd9Sstevel@tonic-gate } 276*7c478bd9Sstevel@tonic-gate #endif 277*7c478bd9Sstevel@tonic-gate 278*7c478bd9Sstevel@tonic-gate #endif /* _OSPF_H */ 279