Initial revision

1 files changed, 602 insertions, 0 deletions

diff --git a/ospf6d/ospf6_neighbor.c b/ospf6d/ospf6_neighbor.c
new file mode 100644
index 00000000..72735d5d
--- /dev/null
+++ b/ospf6d/ospf6_neighbor.c
@@ -0,0 +1,602 @@
+/*
+ * Copyright (C) 1999 Yasuhiro Ohara
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Zebra; see the file COPYING.  If not, write to the 
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 
+ * Boston, MA 02111-1307, USA.  
+ */
+
+#include "ospf6d.h"
+
+#include <zebra.h>
+
+#include "log.h"
+#include "thread.h"
+#include "linklist.h"
+#include "vty.h"
+#include "command.h"
+
+#include "ospf6_lsa.h"
+#include "ospf6_message.h"
+#include "ospf6_neighbor.h"
+#include "ospf6_nsm.h"
+#include "ospf6_lsa.h"
+#include "ospf6_lsdb.h"
+
+char *ospf6_neighbor_state_string[] =
+{
+  "None", "Down", "Attempt", "Init", "Twoway",
+  "ExStart", "ExChange", "Loading", "Full", NULL
+};
+
+int
+ospf6_neighbor_last_dbdesc_release (struct thread *thread)
+{
+  struct ospf6_neighbor *o6n;
+
+  o6n = (struct ospf6_neighbor *) THREAD_ARG (thread);
+  assert (o6n);
+  memset (&o6n->last_dd, 0, sizeof (struct ospf6_dbdesc));
+  return 0;
+}
+
+
+
+void
+ospf6_neighbor_thread_cancel_all (struct ospf6_neighbor *o6n)
+{
+  if (o6n->inactivity_timer)
+    thread_cancel (o6n->inactivity_timer);
+  o6n->inactivity_timer = (struct thread *) NULL;
+
+  if (o6n->send_update)
+    thread_cancel (o6n->send_update);
+  o6n->send_update = (struct thread *) NULL;
+
+  if (o6n->thread_send_dbdesc)
+    thread_cancel (o6n->thread_send_dbdesc);
+  o6n->thread_send_dbdesc = (struct thread *) NULL;
+  if (o6n->thread_rxmt_dbdesc)
+    thread_cancel (o6n->thread_rxmt_dbdesc);
+  o6n->thread_rxmt_dbdesc = (struct thread *) NULL;
+
+  if (o6n->thread_rxmt_lsreq)
+    thread_cancel (o6n->thread_rxmt_lsreq);
+  o6n->thread_rxmt_lsreq = (struct thread *) NULL;
+}
+
+void
+ospf6_neighbor_lslist_clear (struct ospf6_neighbor *nei)
+{
+  ospf6_lsdb_remove_all (nei->summary_list);
+  ospf6_lsdb_remove_all (nei->request_list);
+  ospf6_lsdb_remove_all (nei->retrans_list);
+  ospf6_lsdb_remove_all (nei->dbdesc_list);
+}
+
+void
+ospf6_neighbor_summary_add (struct ospf6_lsa *lsa,
+                            struct ospf6_neighbor *nei)
+{
+  struct ospf6_lsa *summary;
+
+  if (IS_OSPF6_DUMP_NEIGHBOR)
+    {
+      zlog_info ("Neighbor %s summary-list:", nei->str);
+      zlog_info ("    Add %s", lsa->str);
+    }
+
+  ospf6_lsa_age_current (lsa);
+  summary = ospf6_lsa_summary_create (lsa->header);
+  ospf6_lsdb_add (summary, nei->summary_list);
+}
+
+void
+ospf6_neighbor_summary_remove (struct ospf6_lsa *lsa,
+                               struct ospf6_neighbor *nei)
+{
+  struct ospf6_lsa *summary;
+
+  if (IS_OSPF6_DUMP_NEIGHBOR)
+    {
+      zlog_info ("Neighbor %s summary-list:", nei->str);
+      zlog_info ("    Remove %s", lsa->str);
+    }
+
+  summary = ospf6_lsdb_lookup_lsdb (lsa->header->type, lsa->header->id,
+                                    lsa->header->adv_router, nei->summary_list);
+  ospf6_lsdb_remove (summary, nei->summary_list);
+}
+
+void
+ospf6_neighbor_request_add (struct ospf6_lsa *lsa,
+                            struct ospf6_neighbor *nei)
+{
+  struct ospf6_lsa *summary;
+
+  if (IS_OSPF6_DUMP_NEIGHBOR)
+    {
+      zlog_info ("Neighbor %s request-list:", nei->str);
+      zlog_info ("    Add %s", lsa->str);
+    }
+
+  ospf6_lsa_age_current (lsa);
+  summary = ospf6_lsa_summary_create (lsa->header);
+  ospf6_lsdb_add (summary, nei->request_list);
+}
+
+void
+ospf6_neighbor_request_remove (struct ospf6_lsa *lsa,
+                               struct ospf6_neighbor *nei)
+{
+  struct ospf6_lsa *summary;
+
+  if (IS_OSPF6_DUMP_NEIGHBOR)
+    {
+      zlog_info ("Neighbor %s request-list:", nei->str);
+      zlog_info ("    Remove %s", lsa->str);
+    }
+
+  summary = ospf6_lsdb_lookup_lsdb (lsa->header->type, lsa->header->id,
+                                    lsa->header->adv_router, nei->request_list);
+  ospf6_lsdb_remove (summary, nei->request_list);
+}
+
+void
+ospf6_neighbor_retrans_add (struct ospf6_lsa *lsa,
+                            struct ospf6_neighbor *nei)
+{
+  if (IS_OSPF6_DUMP_NEIGHBOR)
+    {
+      zlog_info ("Neighbor %s retrans-list:", nei->str);
+      zlog_info ("    Add %s", lsa->str);
+    }
+
+  ospf6_lsdb_add (lsa, nei->retrans_list);
+}
+
+void
+ospf6_neighbor_retrans_remove (struct ospf6_lsa *lsa,
+                               struct ospf6_neighbor *nei)
+{
+  if (IS_OSPF6_DUMP_NEIGHBOR)
+    {
+      zlog_info ("Neighbor %s retrans-list:", nei->str);
+      zlog_info ("    Remove %s", lsa->str);
+    }
+
+  ospf6_lsdb_remove (lsa, nei->retrans_list);
+
+  if (nei->retrans_list->count == 0)
+    {
+      if (nei->send_update)
+        thread_cancel (nei->send_update);
+      nei->send_update = NULL;
+    }
+}
+
+void
+ospf6_neighbor_dbdesc_add (struct ospf6_lsa *lsa,
+                           struct ospf6_neighbor *nei)
+{
+  if (IS_OSPF6_DUMP_NEIGHBOR)
+    {
+      zlog_info ("Neighbor %s dbdesc-list:", nei->str);
+      zlog_info ("    Add %s", lsa->str);
+    }
+
+  ospf6_lsdb_add (lsa, nei->dbdesc_list);
+}
+
+void
+ospf6_neighbor_dbdesc_remove (struct ospf6_lsa *lsa,
+                              struct ospf6_neighbor *nei)
+{
+  if (IS_OSPF6_DUMP_NEIGHBOR)
+    {
+      zlog_info ("Neighbor %s dbdesc-list:", nei->str);
+      zlog_info ("    Remove %s", lsa->str);
+    }
+
+  ospf6_lsdb_remove (lsa, nei->dbdesc_list);
+}
+
+
+/* prepare summary-list of his neighbor structure */
+void
+ospf6_neighbor_dbex_init (struct ospf6_neighbor *nei)
+{
+  struct ospf6_lsdb_node node;
+
+  /* clear ls-list */
+  ospf6_neighbor_lslist_clear (nei);
+
+  /* AS scope LSAs */
+  for (ospf6_lsdb_head (&node, nei->ospf6_interface->area->ospf6->lsdb);
+       ! ospf6_lsdb_is_end (&node); ospf6_lsdb_next (&node))
+    {
+      if (IS_LSA_MAXAGE (node.lsa))
+        ospf6_neighbor_retrans_add (node.lsa, nei);
+      else
+        ospf6_neighbor_summary_add (node.lsa, nei);
+    }
+
+  /* AREA scope LSAs */
+  for (ospf6_lsdb_head (&node, nei->ospf6_interface->area->lsdb);
+       ! ospf6_lsdb_is_end (&node); ospf6_lsdb_next (&node))
+    {
+      if (IS_LSA_MAXAGE (node.lsa))
+        ospf6_neighbor_retrans_add (node.lsa, nei);
+      else
+        ospf6_neighbor_summary_add (node.lsa, nei);
+    }
+
+  /* INTERFACE scope LSAs */
+  for (ospf6_lsdb_head (&node, nei->ospf6_interface->lsdb);
+       ! ospf6_lsdb_is_end (&node); ospf6_lsdb_next (&node))
+    {
+      if (IS_LSA_MAXAGE (node.lsa))
+        ospf6_neighbor_retrans_add (node.lsa, nei);
+      else
+        ospf6_neighbor_summary_add (node.lsa, nei);
+    }
+}
+
+/* create ospf6_neighbor */
+struct ospf6_neighbor *
+ospf6_neighbor_create (u_int32_t router_id, struct ospf6_interface *o6i)
+{
+  struct ospf6_neighbor *new;
+  char buf[32];
+
+  new = (struct ospf6_neighbor *)
+    XMALLOC (MTYPE_OSPF6_NEIGHBOR, sizeof (struct ospf6_neighbor));
+  if (new == NULL)
+    {
+      zlog_warn ("neighbor: malloc failed");
+      return NULL;
+    }
+
+  memset (new, 0, sizeof (struct ospf6_neighbor));
+
+  new->state = OSPF6_NEIGHBOR_STATE_DOWN;
+
+  new->router_id = router_id;
+  inet_ntop (AF_INET, &router_id, buf, sizeof (buf));
+  snprintf (new->str, sizeof (new->str), "%s%%%s", buf, o6i->interface->name);
+  new->inactivity_timer = (struct thread *) NULL;
+
+  new->summary_list = ospf6_lsdb_create ();
+  new->request_list = ospf6_lsdb_create ();
+  new->retrans_list = ospf6_lsdb_create ();
+  new->dbdesc_list = ospf6_lsdb_create ();
+
+  listnode_add (o6i->neighbor_list, new);
+  new->ospf6_interface = o6i;
+
+  CALL_ADD_HOOK (&neighbor_hook, new);
+
+  return new;
+}
+
+void
+ospf6_neighbor_delete (struct ospf6_neighbor *o6n)
+{
+  CALL_REMOVE_HOOK (&neighbor_hook, o6n);
+
+  ospf6_neighbor_thread_cancel_all (o6n);
+  ospf6_neighbor_lslist_clear (o6n);
+
+  list_free (o6n->dbdesc_lsa);
+
+  ospf6_lsdb_delete (o6n->summary_list);
+  ospf6_lsdb_delete (o6n->request_list);
+  ospf6_lsdb_delete (o6n->retrans_list);
+  ospf6_lsdb_delete (o6n->dbdesc_list);
+
+  XFREE (MTYPE_OSPF6_NEIGHBOR, o6n);
+}
+
+struct ospf6_neighbor *
+ospf6_neighbor_lookup (u_int32_t router_id,
+                       struct ospf6_interface *o6i)
+{
+  listnode n;
+  struct ospf6_neighbor *o6n;
+
+  for (n = listhead (o6i->neighbor_list); n; nextnode (n))
+    {
+      o6n = (struct ospf6_neighbor *) getdata (n);
+      if (o6n->router_id == router_id)
+        return o6n;
+    }
+  return (struct ospf6_neighbor *) NULL;
+}
+
+
+/* vty functions */
+/* show neighbor structure */
+void
+ospf6_neighbor_show_summary (struct vty *vty, struct ospf6_neighbor *o6n)
+{
+  char router_id[16];
+  char dr[16], bdr[16];
+  char duration[16];
+  struct timeval now, res;
+
+/*
+    vty_out (vty, "%-15s %6s/%-11s %-15s %-15s %s[%s]%s",
+             "RouterID", "State", "Duration", "DR", "BDR", "I/F",
+             "State", VTY_NEWLINE);
+*/
+
+  inet_ntop (AF_INET, &o6n->router_id, router_id, sizeof (router_id));
+  inet_ntop (AF_INET, &o6n->dr, dr, sizeof (dr));
+  inet_ntop (AF_INET, &o6n->bdr, bdr, sizeof (bdr));
+
+  gettimeofday (&now, NULL);
+  ospf6_timeval_sub (&now, &o6n->last_changed, &res);
+  ospf6_timeval_string_summary (&res, duration, sizeof (duration));
+
+  vty_out (vty, "%-15s %6s/%-11s %-15s %-15s %s[%s]%s",
+           router_id, ospf6_neighbor_state_string[o6n->state],
+           duration, dr, bdr, o6n->ospf6_interface->interface->name,
+           ospf6_interface_state_string[o6n->ospf6_interface->state],
+           VTY_NEWLINE);
+}
+
+void
+ospf6_neighbor_show (struct vty *vty, struct ospf6_neighbor *o6n)
+{
+  char hisaddr[64], timestring[32];
+  struct timeval now, res;
+
+  inet_ntop (AF_INET6, &o6n->hisaddr, hisaddr, sizeof (hisaddr));
+  vty_out (vty, " Neighbor %s, interface address %s%s",
+           o6n->str, hisaddr, VTY_NEWLINE);
+  vty_out (vty, "    Area %s via interface %s (ifindex %d)%s",
+           o6n->ospf6_interface->area->str,
+           o6n->ospf6_interface->interface->name,
+           o6n->ospf6_interface->interface->ifindex,
+           VTY_NEWLINE);
+  vty_out (vty, "    Priority: %d, State: %s, %d state changes%s",
+           o6n->priority, ospf6_neighbor_state_string[o6n->state],
+           o6n->ospf6_stat_state_changed, VTY_NEWLINE);
+
+  gettimeofday (&now, NULL);
+  ospf6_timeval_sub (&now, &o6n->last_changed, &res);
+  ospf6_timeval_string_summary (&res, timestring, sizeof (timestring));
+  vty_out (vty, "    Last state changed: %s ago%s", timestring, VTY_NEWLINE);
+}
+
+void
+ospf6_neighbor_show_detail (struct vty *vty, struct ospf6_neighbor *o6n)
+{
+  char hisdr[16], hisbdr[16];
+
+  ospf6_neighbor_show (vty, o6n);
+
+  inet_ntop (AF_INET, &o6n->dr, hisdr, sizeof (hisdr));
+  inet_ntop (AF_INET, &o6n->bdr, hisbdr, sizeof (hisbdr));
+
+  vty_out (vty, "    His Ifindex of myside: %d%s",
+                o6n->ifid, VTY_NEWLINE);
+  vty_out (vty, "    His DR Election: DR %s, BDR %s%s",
+                hisdr, hisbdr, VTY_NEWLINE);
+
+  vty_out (vty, "    Last received DbDesc: opt:%s"
+                " ifmtu:%hu bit:%s%s%s seqnum:%ld%s",
+                "xxx", ntohs (o6n->last_dd.ifmtu),
+                (DD_IS_IBIT_SET (o6n->last_dd.bits) ? "I" : "-"),
+                (DD_IS_MBIT_SET (o6n->last_dd.bits) ? "M" : "-"),
+                (DD_IS_MSBIT_SET (o6n->last_dd.bits) ? "m" : "s"),
+                (u_long)ntohl (o6n->last_dd.seqnum), VTY_NEWLINE);
+  vty_out (vty, "    My DbDesc bit for this neighbor: %s%s%s%s",
+           (DD_IS_IBIT_SET (o6n->dbdesc_bits) ? "I" : "-"),
+           (DD_IS_MBIT_SET (o6n->dbdesc_bits) ? "M" : "-"),
+           (DD_IS_MSBIT_SET (o6n->dbdesc_bits) ? "m" : "s"),
+           VTY_NEWLINE);
+
+  vty_out (vty, "    %-16s %5d times, %-16s %5d times%s",
+                "SeqnumMismatch", o6n->ospf6_stat_seqnum_mismatch,
+                "BadLSReq", o6n->ospf6_stat_bad_lsreq, VTY_NEWLINE);
+  vty_out (vty, "    %-16s %5d times, %-16s %5d times%s",
+                "OnewayReceived", o6n->ospf6_stat_oneway_received,
+                "InactivityTimer", o6n->ospf6_stat_inactivity_timer,
+                VTY_NEWLINE);
+  vty_out (vty, "    %-16s %5d times, %-16s %5d times%s",
+                "DbDescRetrans", o6n->ospf6_stat_retrans_dbdesc,
+                "LSReqRetrans", o6n->ospf6_stat_retrans_lsreq,
+                VTY_NEWLINE);
+  vty_out (vty, "    %-16s %5d times%s",
+                "LSUpdateRetrans", o6n->ospf6_stat_retrans_lsupdate,
+                VTY_NEWLINE);
+  vty_out (vty, "    %-16s %5d times, %-16s %5d times%s",
+                "LSAReceived", o6n->ospf6_stat_received_lsa,
+                "LSUpdateReceived", o6n->ospf6_stat_received_lsupdate,
+                VTY_NEWLINE);
+
+  vty_out (vty, "    %-12s %-12s %-12s%s",
+           "Message", "DbDesc", "LSReq", VTY_NEWLINE);
+  vty_out (vty, "    %-12s %12d %12d%s", "LSA Send",
+           o6n->lsa_send[OSPF6_MESSAGE_TYPE_DBDESC],
+           o6n->lsa_send[OSPF6_MESSAGE_TYPE_LSREQ], VTY_NEWLINE);
+  vty_out (vty, "    %-12s %12d %12d%s", "LSA Receive",
+           o6n->lsa_receive[OSPF6_MESSAGE_TYPE_DBDESC],
+           o6n->lsa_receive[OSPF6_MESSAGE_TYPE_LSREQ], VTY_NEWLINE);
+  vty_out (vty, "%s", VTY_NEWLINE);
+}
+
+void
+ospf6_neighbor_timestamp_hello (struct ospf6_neighbor *o6n)
+{
+  struct timeval now, interval;
+  gettimeofday (&now, (struct timezone *) NULL);
+  if (o6n->tv_last_hello_received.tv_sec)
+    {
+      ospf6_timeval_sub (&now, &o6n->tv_last_hello_received, &interval);
+      zlog_info ("Hello Interval %s : %ld msec",
+                  o6n->str, interval.tv_sec * 1000 + interval.tv_usec % 1000);
+    }
+  o6n->tv_last_hello_received.tv_sec = now.tv_sec;
+  o6n->tv_last_hello_received.tv_usec = now.tv_usec;
+}
+
+DEFUN (show_ipv6_ospf6_neighbor_routerid,
+       show_ipv6_ospf6_neighbor_routerid_cmd,
+       "show ipv6 ospf6 neighbor A.B.C.D",
+       SHOW_STR
+       IP6_STR
+       OSPF6_STR
+       "Neighbor list\n"
+       "OSPF6 neighbor Router ID in IP address format\n"
+       )
+{
+  u_int32_t router_id;
+  struct ospf6_neighbor *o6n;
+  struct ospf6_interface *o6i;
+  struct ospf6_area *o6a;
+  listnode nodei, nodej, nodek;
+
+  OSPF6_CMD_CHECK_RUNNING ();
+
+  if (argc == 0)
+    vty_out (vty, "%-15s %6s/%-11s %-15s %-15s %s[%s]%s",
+             "RouterID", "State", "Duration", "DR", "BDR", "I/F",
+             "State", VTY_NEWLINE);
+  else if (inet_pton (AF_INET, argv[0], &router_id) != 1)
+    {
+      vty_out (vty, "Malformed Router-ID: %s%s", argv[0], VTY_NEWLINE);
+      return CMD_SUCCESS;
+    }
+
+  for (nodei = listhead (ospf6->area_list); nodei; nextnode (nodei))
+    {
+      o6a = getdata (nodei);
+      for (nodej = listhead (o6a->if_list); nodej; nextnode (nodej))
+        {
+          o6i = getdata (nodej);
+          for (nodek = listhead (o6i->neighbor_list); nodek; nextnode (nodek))
+            {
+              o6n = getdata (nodek);
+              if (argc == 0)
+                ospf6_neighbor_show_summary (vty, o6n);
+              else if (o6n->router_id == router_id)
+                ospf6_neighbor_show_detail (vty, o6n);
+            }
+        }
+    }
+  return CMD_SUCCESS;
+}
+
+ALIAS (show_ipv6_ospf6_neighbor_routerid,
+       show_ipv6_ospf6_neighbor_cmd,
+       "show ipv6 ospf6 neighbor",
+       SHOW_STR
+       IP6_STR
+       OSPF6_STR
+       "Neighbor list\n"
+       )
+
+DEFUN (show_ipv6_ospf6_neighborlist,
+       show_ipv6_ospf6_neighborlist_cmd,
+       "show ipv6 ospf6 (summary-list|request-list|retrans-list|dbdesc-list)",
+       SHOW_STR
+       IP6_STR
+       OSPF6_STR
+       "Link State summary list\n"
+       "Link State request list\n"
+       "Link State retransmission list\n"
+       "Link State Description list (Used to retrans DbDesc)\n"
+       )
+{
+  struct ospf6_area *o6a;
+  struct ospf6_interface *o6i;
+  struct ospf6_neighbor *o6n;
+  listnode i, j, k, l;
+  struct ospf6_lsa *lsa;
+  struct ospf6_lsdb *lsdb = NULL;
+  char type[16], id[16], adv_router[16];
+  struct ospf6_lsdb_node node;
+  u_int16_t age, cksum, len;
+  u_int32_t seqnum;
+
+  OSPF6_CMD_CHECK_RUNNING ();
+  i = j = k = l = NULL;
+
+  for (i = listhead (ospf6->area_list); i; nextnode (i))
+    {
+      o6a = (struct ospf6_area *) getdata (i);
+      for (j = listhead (o6a->if_list); j; nextnode (j))
+        {
+          o6i = (struct ospf6_interface *) getdata (j);
+          for (k = listhead (o6i->neighbor_list); k; nextnode (k))
+            {
+              o6n = (struct ospf6_neighbor *) getdata (k);
+
+              if (strncmp (argv[0], "sum", 3) == 0)
+                lsdb = o6n->summary_list;
+              else if (strncmp (argv[0], "req", 3) == 0)
+                lsdb = o6n->request_list;
+              else if (strncmp (argv[0], "ret", 3) == 0)
+                lsdb = o6n->retrans_list;
+              else if (strncmp (argv[0], "dbd", 3) == 0)
+                lsdb = o6n->dbdesc_list;
+
+              vty_out (vty, "neighbor %s on interface %s: %d%s", o6n->str,
+                       o6i->interface->name, lsdb->count,
+                       VTY_NEWLINE);
+              for (ospf6_lsdb_head (&node, lsdb); ! ospf6_lsdb_is_end (&node);
+                   ospf6_lsdb_next (&node))
+                {
+                  lsa = node.lsa;
+                  ospf6_lsa_age_current (lsa);
+
+                  ospf6_lsa_type_string (lsa->header->type, type,
+                                         sizeof (type));
+                  inet_ntop (AF_INET, &lsa->header->id, id, sizeof (id));
+                  inet_ntop (AF_INET, &lsa->header->adv_router, adv_router,
+                             sizeof (adv_router));
+                  age = ntohs (lsa->header->age);
+                  seqnum = ntohl (lsa->header->seqnum);
+                  cksum = ntohs (lsa->header->checksum);
+                  len = ntohs (lsa->header->length);
+
+                  vty_out (vty, "  %s-LSA ID=%s Adv=%s%s",
+                           type, id, adv_router, VTY_NEWLINE);
+                  vty_out (vty, "  Age: %hu SeqNum: %#x Cksum: %hx Len: %hu%s",
+                           age, seqnum, cksum, len, VTY_NEWLINE);
+                }
+            }
+        }
+    }
+
+  return CMD_SUCCESS;
+}
+
+void
+ospf6_neighbor_init ()
+{
+  install_element (VIEW_NODE, &show_ipv6_ospf6_neighbor_cmd);
+  install_element (VIEW_NODE, &show_ipv6_ospf6_neighbor_routerid_cmd);
+  install_element (VIEW_NODE, &show_ipv6_ospf6_neighborlist_cmd);
+
+  install_element (ENABLE_NODE, &show_ipv6_ospf6_neighbor_cmd);
+  install_element (ENABLE_NODE, &show_ipv6_ospf6_neighbor_routerid_cmd);
+  install_element (ENABLE_NODE, &show_ipv6_ospf6_neighborlist_cmd);
+}
+
+