auto import from //depot/cupcake/@135843
diff --git a/print-ospf6.c b/print-ospf6.c
new file mode 100644
index 0000000..6325a21
--- /dev/null
+++ b/print-ospf6.c
@@ -0,0 +1,685 @@
+/*
+ * Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * OSPF support contributed by Jeffrey Honig (jch@mitchell.cit.cornell.edu)
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-ospf6.c,v 1.13 2003/11/16 09:36:31 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+#include "ospf6.h"
+
+struct bits {
+ u_int32_t bit;
+ const char *str;
+};
+
+static const struct bits ospf6_option_bits[] = {
+ { OSPF6_OPTION_V6, "V6" },
+ { OSPF6_OPTION_E, "E" },
+ { OSPF6_OPTION_MC, "MC" },
+ { OSPF6_OPTION_N, "N" },
+ { OSPF6_OPTION_R, "R" },
+ { OSPF6_OPTION_DC, "DC" },
+ { 0, NULL }
+};
+
+static const struct bits ospf6_rla_flag_bits[] = {
+ { RLA_FLAG_B, "B" },
+ { RLA_FLAG_E, "E" },
+ { RLA_FLAG_V, "V" },
+ { RLA_FLAG_W, "W" },
+ { 0, NULL }
+};
+
+static const struct bits ospf6_asla_flag_bits[] = {
+ { ASLA_FLAG_EXTERNAL, "E" },
+ { ASLA_FLAG_FWDADDR, "F" },
+ { ASLA_FLAG_ROUTETAG, "T" },
+ { 0, NULL }
+};
+
+static struct tok type2str[] = {
+ { OSPF_TYPE_UMD, "umd" },
+ { OSPF_TYPE_HELLO, "hello" },
+ { OSPF_TYPE_DB, "dd" },
+ { OSPF_TYPE_LSR, "ls_req" },
+ { OSPF_TYPE_LSU, "ls_upd" },
+ { OSPF_TYPE_LSA, "ls_ack" },
+ { 0, NULL }
+};
+
+static char tstr[] = " [|ospf]";
+
+#ifdef WIN32
+#define inline __inline
+#endif /* WIN32 */
+
+/* Forwards */
+static inline void ospf6_print_seqage(u_int32_t, time_t);
+static inline void ospf6_print_bits(const struct bits *, u_char);
+static void ospf6_print_ls_type(u_int, const rtrid_t *,
+ const rtrid_t *, const char *);
+static int ospf6_print_lshdr(const struct lsa_hdr *);
+static int ospf6_print_lsa(const struct lsa *);
+static int ospf6_decode_v3(const struct ospf6hdr *, const u_char *);
+
+static inline void
+ospf6_print_seqage(register u_int32_t seq, register time_t us)
+{
+ register time_t sec = us % 60;
+ register time_t mins = (us / 60) % 60;
+ register time_t hour = us / 3600;
+
+ printf(" S %X age ", seq);
+ if (hour)
+ printf("%u:%02u:%02u",
+ (u_int32_t) hour, (u_int32_t) mins, (u_int32_t) sec);
+ else if (mins)
+ printf("%u:%02u", (u_int32_t) mins, (u_int32_t) sec);
+ else
+ printf("%u", (u_int32_t) sec);
+}
+
+
+static inline void
+ospf6_print_bits(register const struct bits *bp, register u_char options)
+{
+ register char sep = ' ';
+
+ do {
+ if (options & bp->bit) {
+ printf("%c%s", sep, bp->str);
+ sep = '/';
+ }
+ } while ((++bp)->bit);
+}
+
+static void
+ospf6_print_ls_type(register u_int ls_type,
+ register const rtrid_t *ls_stateid,
+ register const rtrid_t *ls_router, register const char *fmt)
+{
+ const char *scope;
+
+ switch (ls_type & LS_SCOPE_MASK) {
+ case LS_SCOPE_LINKLOCAL:
+ scope = "linklocal-";
+ break;
+ case LS_SCOPE_AREA:
+ scope = "area-";
+ break;
+ case LS_SCOPE_AS:
+ scope = "AS-";
+ break;
+ default:
+ scope = "";
+ break;
+ }
+
+ switch (ls_type & LS_TYPE_MASK) {
+ case LS_TYPE_ROUTER:
+ printf(" %srtr %s", scope, ipaddr_string(ls_router));
+ break;
+
+ case LS_TYPE_NETWORK:
+ printf(" %snet dr %s if %s", scope,
+ ipaddr_string(ls_router),
+ ipaddr_string(ls_stateid));
+ break;
+
+ case LS_TYPE_INTER_AP:
+ printf(" %sinter-area-prefix %s abr %s", scope,
+ ipaddr_string(ls_stateid),
+ ipaddr_string(ls_router));
+ break;
+
+ case LS_TYPE_INTER_AR:
+ printf(" %sinter-area-router %s rtr %s", scope,
+ ipaddr_string(ls_router),
+ ipaddr_string(ls_stateid));
+ break;
+
+ case LS_TYPE_ASE:
+ printf(" %sase %s asbr %s", scope,
+ ipaddr_string(ls_stateid),
+ ipaddr_string(ls_router));
+ break;
+
+ case LS_TYPE_GROUP:
+ printf(" %sgroup %s rtr %s", scope,
+ ipaddr_string(ls_stateid),
+ ipaddr_string(ls_router));
+ break;
+
+ case LS_TYPE_TYPE7:
+ printf(" %stype7 %s rtr %s", scope,
+ ipaddr_string(ls_stateid),
+ ipaddr_string(ls_router));
+ break;
+
+ case LS_TYPE_LINK:
+ printf(" %slink %s rtr %s", scope,
+ ipaddr_string(ls_stateid),
+ ipaddr_string(ls_router));
+ break;
+
+ case LS_TYPE_INTRA_AP:
+ printf(" %sintra-area-prefix %s rtr %s", scope,
+ ipaddr_string(ls_stateid),
+ ipaddr_string(ls_router));
+ break;
+
+ default:
+ printf(" %s", scope);
+ printf(fmt, ls_type);
+ break;
+ }
+
+}
+
+static int
+ospf6_print_lshdr(register const struct lsa_hdr *lshp)
+{
+
+ TCHECK(lshp->ls_type);
+ printf(" {"); /* } (ctags) */
+
+ TCHECK(lshp->ls_seq);
+ ospf6_print_seqage(EXTRACT_32BITS(&lshp->ls_seq), EXTRACT_16BITS(&lshp->ls_age));
+ ospf6_print_ls_type(EXTRACT_16BITS(&lshp->ls_type), &lshp->ls_stateid,
+ &lshp->ls_router, "ls_type %d");
+
+ return (0);
+trunc:
+ return (1);
+}
+
+static int
+ospf6_print_lsaprefix(register const struct lsa_prefix *lsapp)
+{
+ u_int k;
+ struct in6_addr prefix;
+
+ TCHECK(*lsapp);
+ k = (lsapp->lsa_p_len + 31) / 32;
+ if (k * 4 > sizeof(struct in6_addr)) {
+ printf("??prefixlen %d??", lsapp->lsa_p_len);
+ goto trunc;
+ }
+ memset(&prefix, 0, sizeof(prefix));
+ memcpy(&prefix, lsapp->lsa_p_prefix, k * 4);
+ printf(" %s/%d", ip6addr_string(&prefix),
+ lsapp->lsa_p_len);
+ if (lsapp->lsa_p_opt)
+ printf("(opt=%x)", lsapp->lsa_p_opt);
+ if (lsapp->lsa_p_mbz)
+ printf("(mbz=%x)", EXTRACT_16BITS(&lsapp->lsa_p_mbz)); /* XXX */
+ return sizeof(*lsapp) - 4 + k * 4;
+
+trunc:
+ return -1;
+}
+
+
+/*
+ * Print a single link state advertisement. If truncated return 1, else 0.
+ */
+static int
+ospf6_print_lsa(register const struct lsa *lsap)
+{
+ register const u_char *ls_end, *ls_opt;
+ register const struct rlalink *rlp;
+#if 0
+ register const struct tos_metric *tosp;
+#endif
+ register const rtrid_t *ap;
+#if 0
+ register const struct aslametric *almp;
+ register const struct mcla *mcp;
+#endif
+ register const struct llsa *llsap;
+ register const struct lsa_prefix *lsapp;
+#if 0
+ register const u_int32_t *lp;
+#endif
+ register u_int j;
+ register int k;
+ u_int32_t flags32;
+
+ if (ospf6_print_lshdr(&lsap->ls_hdr))
+ return (1);
+ TCHECK(lsap->ls_hdr.ls_length);
+ ls_end = (u_char *)lsap + EXTRACT_16BITS(&lsap->ls_hdr.ls_length);
+ switch (EXTRACT_16BITS(&lsap->ls_hdr.ls_type)) {
+ case LS_TYPE_ROUTER | LS_SCOPE_AREA:
+ TCHECK(lsap->lsa_un.un_rla.rla_flags);
+ ospf6_print_bits(ospf6_rla_flag_bits,
+ lsap->lsa_un.un_rla.rla_flags);
+ TCHECK(lsap->lsa_un.un_rla.rla_options);
+ ospf6_print_bits(ospf6_option_bits,
+ EXTRACT_32BITS(&lsap->lsa_un.un_rla.rla_options));
+
+ TCHECK(lsap->lsa_un.un_rla.rla_link);
+ rlp = lsap->lsa_un.un_rla.rla_link;
+ while (rlp + sizeof(*rlp) <= (struct rlalink *)ls_end) {
+ TCHECK(*rlp);
+ printf(" {"); /* } (ctags) */
+ switch (rlp->link_type) {
+
+ case RLA_TYPE_VIRTUAL:
+ printf(" virt");
+ /* Fall through */
+
+ case RLA_TYPE_ROUTER:
+ printf(" nbrid %s nbrif %s if %s",
+ ipaddr_string(&rlp->link_nrtid),
+ ipaddr_string(&rlp->link_nifid),
+ ipaddr_string(&rlp->link_ifid));
+ break;
+
+ case RLA_TYPE_TRANSIT:
+ printf(" dr %s drif %s if %s",
+ ipaddr_string(&rlp->link_nrtid),
+ ipaddr_string(&rlp->link_nifid),
+ ipaddr_string(&rlp->link_ifid));
+ break;
+
+ default:
+ /* { (ctags) */
+ printf(" ??RouterLinksType 0x%02x?? }",
+ rlp->link_type);
+ return (0);
+ }
+ printf(" metric %d", EXTRACT_16BITS(&rlp->link_metric));
+ /* { (ctags) */
+ printf(" }");
+ rlp++;
+ }
+ break;
+
+ case LS_TYPE_NETWORK | LS_SCOPE_AREA:
+ TCHECK(lsap->lsa_un.un_nla.nla_options);
+ ospf6_print_bits(ospf6_option_bits,
+ EXTRACT_32BITS(&lsap->lsa_un.un_nla.nla_options));
+ printf(" rtrs");
+ ap = lsap->lsa_un.un_nla.nla_router;
+ while ((u_char *)ap < ls_end) {
+ TCHECK(*ap);
+ printf(" %s", ipaddr_string(ap));
+ ++ap;
+ }
+ break;
+
+ case LS_TYPE_INTER_AP | LS_SCOPE_AREA:
+ TCHECK(lsap->lsa_un.un_inter_ap.inter_ap_metric);
+ printf(" metric %u",
+ EXTRACT_32BITS(&lsap->lsa_un.un_inter_ap.inter_ap_metric) & SLA_MASK_METRIC);
+ lsapp = lsap->lsa_un.un_inter_ap.inter_ap_prefix;
+ while (lsapp + sizeof(lsapp) <= (struct lsa_prefix *)ls_end) {
+ k = ospf6_print_lsaprefix(lsapp);
+ if (k)
+ goto trunc;
+ lsapp = (struct lsa_prefix *)(((u_char *)lsapp) + k);
+ }
+ break;
+ case LS_SCOPE_AS | LS_TYPE_ASE:
+ TCHECK(lsap->lsa_un.un_asla.asla_metric);
+ flags32 = EXTRACT_32BITS(&lsap->lsa_un.un_asla.asla_metric);
+ ospf6_print_bits(ospf6_asla_flag_bits, flags32);
+ printf(" metric %u",
+ EXTRACT_32BITS(&lsap->lsa_un.un_asla.asla_metric) &
+ ASLA_MASK_METRIC);
+ lsapp = lsap->lsa_un.un_asla.asla_prefix;
+ k = ospf6_print_lsaprefix(lsapp);
+ if (k < 0)
+ goto trunc;
+ if ((ls_opt = (u_char *)(((u_char *)lsapp) + k)) < ls_end) {
+ struct in6_addr *fwdaddr6;
+
+ if ((flags32 & ASLA_FLAG_FWDADDR) != 0) {
+ fwdaddr6 = (struct in6_addr *)ls_opt;
+ TCHECK(*fwdaddr6);
+ printf(" forward %s",
+ ip6addr_string(fwdaddr6));
+
+ ls_opt += sizeof(struct in6_addr);
+ }
+
+ if ((flags32 & ASLA_FLAG_ROUTETAG) != 0) {
+ TCHECK(*(u_int32_t *)ls_opt);
+ printf(" tag %s",
+ ipaddr_string((u_int32_t *)ls_opt));
+
+ ls_opt += sizeof(u_int32_t);
+ }
+
+ if (lsapp->lsa_p_mbz) {
+ TCHECK(*(u_int32_t *)ls_opt);
+ printf(" RefLSID: %s",
+ ipaddr_string((u_int32_t *)ls_opt));
+
+ ls_opt += sizeof(u_int32_t);
+ }
+ }
+ break;
+#if 0
+ case LS_TYPE_SUM_ABR:
+ TCHECK(lsap->lsa_un.un_sla.sla_tosmetric);
+ lp = lsap->lsa_un.un_sla.sla_tosmetric;
+ while ((u_char *)lp < ls_end) {
+ register u_int32_t ul;
+
+ TCHECK(*lp);
+ ul = EXTRACT_32BITS(lp);
+ printf(" tos %d metric %d",
+ (ul & SLA_MASK_TOS) >> SLA_SHIFT_TOS,
+ ul & SLA_MASK_METRIC);
+ ++lp;
+ }
+ break;
+
+ case LS_TYPE_GROUP:
+ /* Multicast extensions as of 23 July 1991 */
+ mcp = lsap->lsa_un.un_mcla;
+ while ((u_char *)mcp < ls_end) {
+ TCHECK(mcp->mcla_vid);
+ switch (EXTRACT_32BITS(&mcp->mcla_vtype)) {
+
+ case MCLA_VERTEX_ROUTER:
+ printf(" rtr rtrid %s",
+ ipaddr_string(&mcp->mcla_vid));
+ break;
+
+ case MCLA_VERTEX_NETWORK:
+ printf(" net dr %s",
+ ipaddr_string(&mcp->mcla_vid));
+ break;
+
+ default:
+ printf(" ??VertexType %u??",
+ EXTRACT_32BITS(&mcp->mcla_vtype));
+ break;
+ }
+ ++mcp;
+ }
+#endif
+
+ case LS_TYPE_LINK:
+ /* Link LSA */
+ llsap = &lsap->lsa_un.un_llsa;
+ TCHECK(llsap->llsa_options);
+ ospf6_print_bits(ospf6_option_bits, EXTRACT_32BITS(&llsap->llsa_options));
+ TCHECK(llsap->llsa_nprefix);
+ printf(" pri %d lladdr %s npref %d", llsap->llsa_priority,
+ ip6addr_string(&llsap->llsa_lladdr),
+ EXTRACT_32BITS(&llsap->llsa_nprefix));
+ lsapp = llsap->llsa_prefix;
+ for (j = 0; j < EXTRACT_32BITS(&llsap->llsa_nprefix); j++) {
+ k = ospf6_print_lsaprefix(lsapp);
+ if (k)
+ goto trunc;
+ lsapp = (struct lsa_prefix *)(((u_char *)lsapp) + k);
+ }
+ break;
+
+ case LS_TYPE_INTRA_AP | LS_SCOPE_AREA:
+ /* Intra-Area-Prefix LSA */
+ TCHECK(lsap->lsa_un.un_intra_ap.intra_ap_rtid);
+ ospf6_print_ls_type(
+ EXTRACT_16BITS(&lsap->lsa_un.un_intra_ap.intra_ap_lstype),
+ &lsap->lsa_un.un_intra_ap.intra_ap_lsid,
+ &lsap->lsa_un.un_intra_ap.intra_ap_rtid,
+ "LinkStateType %d");
+ TCHECK(lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
+ printf(" npref %d",
+ EXTRACT_16BITS(&lsap->lsa_un.un_intra_ap.intra_ap_nprefix));
+
+ lsapp = lsap->lsa_un.un_intra_ap.intra_ap_prefix;
+ for (j = 0;
+ j < EXTRACT_16BITS(&lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
+ j++) {
+ k = ospf6_print_lsaprefix(lsapp);
+ if (k)
+ goto trunc;
+ lsapp = (struct lsa_prefix *)(((u_char *)lsapp) + k);
+ }
+ break;
+
+ default:
+ printf(" ??LinkStateType 0x%04x??",
+ EXTRACT_16BITS(&lsap->ls_hdr.ls_type));
+ }
+
+ /* { (ctags) */
+ fputs(" }", stdout);
+ return (0);
+trunc:
+ fputs(" }", stdout);
+ return (1);
+}
+
+static int
+ospf6_decode_v3(register const struct ospf6hdr *op,
+ register const u_char *dataend)
+{
+ register const rtrid_t *ap;
+ register const struct lsr *lsrp;
+ register const struct lsa_hdr *lshp;
+ register const struct lsa *lsap;
+ register char sep;
+ register int i;
+
+ switch (op->ospf6_type) {
+
+ case OSPF_TYPE_UMD:
+ /*
+ * Rob Coltun's special monitoring packets;
+ * do nothing
+ */
+ break;
+
+ case OSPF_TYPE_HELLO:
+ if (vflag) {
+ TCHECK(op->ospf6_hello.hello_deadint);
+ ospf6_print_bits(ospf6_option_bits,
+ EXTRACT_32BITS(&op->ospf6_hello.hello_options));
+ printf(" ifid %s pri %d int %d dead %u",
+ ipaddr_string(&op->ospf6_hello.hello_ifid),
+ op->ospf6_hello.hello_priority,
+ EXTRACT_16BITS(&op->ospf6_hello.hello_helloint),
+ EXTRACT_16BITS(&op->ospf6_hello.hello_deadint));
+ }
+ TCHECK(op->ospf6_hello.hello_dr);
+ if (op->ospf6_hello.hello_dr != 0)
+ printf(" dr %s",
+ ipaddr_string(&op->ospf6_hello.hello_dr));
+ TCHECK(op->ospf6_hello.hello_bdr);
+ if (op->ospf6_hello.hello_bdr != 0)
+ printf(" bdr %s",
+ ipaddr_string(&op->ospf6_hello.hello_bdr));
+ if (vflag) {
+ printf(" nbrs");
+ ap = op->ospf6_hello.hello_neighbor;
+ while ((u_char *)ap < dataend) {
+ TCHECK(*ap);
+ printf(" %s", ipaddr_string(ap));
+ ++ap;
+ }
+ }
+ break; /* HELLO */
+
+ case OSPF_TYPE_DB:
+ TCHECK(op->ospf6_db.db_options);
+ ospf6_print_bits(ospf6_option_bits,
+ EXTRACT_32BITS(&op->ospf6_db.db_options));
+ sep = ' ';
+ TCHECK(op->ospf6_db.db_flags);
+ if (op->ospf6_db.db_flags & OSPF6_DB_INIT) {
+ printf("%cI", sep);
+ sep = '/';
+ }
+ if (op->ospf6_db.db_flags & OSPF6_DB_MORE) {
+ printf("%cM", sep);
+ sep = '/';
+ }
+ if (op->ospf6_db.db_flags & OSPF6_DB_MASTER) {
+ printf("%cMS", sep);
+ sep = '/';
+ }
+ TCHECK(op->ospf6_db.db_seq);
+ printf(" mtu %u S %X", EXTRACT_16BITS(&op->ospf6_db.db_mtu),
+ EXTRACT_32BITS(&op->ospf6_db.db_seq));
+
+ if (vflag) {
+ /* Print all the LS adv's */
+ lshp = op->ospf6_db.db_lshdr;
+
+ while (!ospf6_print_lshdr(lshp)) {
+ /* { (ctags) */
+ printf(" }");
+ ++lshp;
+ }
+ }
+ break;
+
+ case OSPF_TYPE_LSR:
+ if (vflag) {
+ lsrp = op->ospf6_lsr;
+ while ((u_char *)lsrp < dataend) {
+ TCHECK(*lsrp);
+ printf(" {"); /* } (ctags) */
+ ospf6_print_ls_type(EXTRACT_16BITS(&lsrp->ls_type),
+ &lsrp->ls_stateid,
+ &lsrp->ls_router,
+ "LinkStateType %d");
+ /* { (ctags) */
+ printf(" }");
+ ++lsrp;
+ }
+ }
+ break;
+
+ case OSPF_TYPE_LSU:
+ if (vflag) {
+ lsap = op->ospf6_lsu.lsu_lsa;
+ TCHECK(op->ospf6_lsu.lsu_count);
+ i = EXTRACT_32BITS(&op->ospf6_lsu.lsu_count);
+ while (i--) {
+ if (ospf6_print_lsa(lsap))
+ goto trunc;
+ lsap = (struct lsa *)((u_char *)lsap +
+ EXTRACT_16BITS(&lsap->ls_hdr.ls_length));
+ }
+ }
+ break;
+
+
+ case OSPF_TYPE_LSA:
+ if (vflag) {
+ lshp = op->ospf6_lsa.lsa_lshdr;
+
+ while (!ospf6_print_lshdr(lshp)) {
+ /* { (ctags) */
+ printf(" }");
+ ++lshp;
+ }
+ }
+ break;
+
+ default:
+ printf("v3 type %d", op->ospf6_type);
+ break;
+ }
+ return (0);
+trunc:
+ return (1);
+}
+
+void
+ospf6_print(register const u_char *bp, register u_int length)
+{
+ register const struct ospf6hdr *op;
+ register const u_char *dataend;
+ register const char *cp;
+
+ op = (struct ospf6hdr *)bp;
+
+ /* If the type is valid translate it, or just print the type */
+ /* value. If it's not valid, say so and return */
+ TCHECK(op->ospf6_type);
+ cp = tok2str(type2str, "type%d", op->ospf6_type);
+ printf("OSPFv%d-%s %d:", op->ospf6_version, cp, length);
+ if (*cp == 't')
+ return;
+
+ TCHECK(op->ospf6_len);
+ if (length != EXTRACT_16BITS(&op->ospf6_len)) {
+ printf(" [len %d]", EXTRACT_16BITS(&op->ospf6_len));
+ return;
+ }
+ dataend = bp + length;
+
+ /* Print the routerid if it is not the same as the source */
+ TCHECK(op->ospf6_routerid);
+ printf(" rtrid %s", ipaddr_string(&op->ospf6_routerid));
+
+ TCHECK(op->ospf6_areaid);
+ if (op->ospf6_areaid != 0)
+ printf(" area %s", ipaddr_string(&op->ospf6_areaid));
+ else
+ printf(" backbone");
+ TCHECK(op->ospf6_instanceid);
+ if (op->ospf6_instanceid)
+ printf(" instance %u", op->ospf6_instanceid);
+
+ /* Do rest according to version. */
+ switch (op->ospf6_version) {
+
+ case 3:
+ /* ospf version 3 */
+ if (ospf6_decode_v3(op, dataend))
+ goto trunc;
+ break;
+
+ default:
+ printf(" ospf [version %d]", op->ospf6_version);
+ break;
+ } /* end switch on version */
+
+ return;
+trunc:
+ fputs(tstr, stdout);
+}