usr/src/cmd/cmd-inet/usr.sbin/snoop/snoop_ospf6.h

   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 */