ospf6d/ospf6_neighbor.h

   1 /*
   2  * Copyright (C) 1999 Yasuhiro Ohara
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GNU Zebra; see the file COPYING.  If not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #ifndef OSPF6_NEIGHBOR_H
  23 #define OSPF6_NEIGHBOR_H
  24
  25 /* Neighbor structure */
  26 struct ospf6_neighbor
  27 {
  28   /* Neighbor Router ID String */
  29   char str[32];
  30
  31   /* OSPFv3 Interface this neighbor belongs to */
  32   struct ospf6_interface *ospf6_interface;
  33
  34   /* Neighbor state */
  35   u_char state;
  36   struct timeval last_changed;
  37
  38   /* Neighbor Router ID */
  39   u_int32_t router_id;
  40
  41   /* Router Priority of this neighbor */
  42   u_char priority;
  43
  44   u_int32_t ifid;
  45   u_int32_t dr;
  46   u_int32_t bdr;
  47   u_int32_t prevdr;
  48   u_int32_t prevbdr;
  49
  50   /* Link-LSA's options field */
  51   char options[3];
  52
  53   /* IPaddr of I/F on our side link */
  54   struct in6_addr hisaddr;
  55
  56   /* new */
  57   struct ospf6_lsdb *summary_list;
  58   struct ospf6_lsdb *request_list;
  59   struct ospf6_lsdb *retrans_list;
  60
  61   /* For Database Exchange */
  62   u_char               dbdesc_bits;
  63   u_int32_t            dbdesc_seqnum;
  64   struct ospf6_dbdesc *dbdesc_previous;
  65
  66   /* last received DD , including OSPF capability of this neighbor */
  67   struct ospf6_dbdesc last_dd;
  68
  69   /* LSAs to retransmit to this neighbor */
  70   list dbdesc_lsa;
  71
  72   /* placeholder for DbDesc */
  73   struct iovec dbdesc_last_send[1024];
  74
  75   struct thread *inactivity_timer;
  76
  77   /* DbDesc */
  78   struct thread *thread_send_dbdesc;
  79   struct thread *thread_rxmt_dbdesc;
  80   list dbdesclist;
  81   struct ospf6_lsdb *dbdesc_list;
  82
  83   /* LSReq */
  84   struct thread *thread_send_lsreq;
  85   struct thread *thread_rxmt_lsreq;
  86
  87   /* LSUpdate */
  88   struct thread *send_update;
  89   struct thread *thread_send_update;
  90   struct thread *thread_rxmt_update;
  91
  92   /* statistics */
  93   u_int message_send[OSPF6_MESSAGE_TYPE_MAX];
  94   u_int message_receive[OSPF6_MESSAGE_TYPE_MAX];
  95   u_int lsa_send[OSPF6_MESSAGE_TYPE_MAX];
  96   u_int lsa_receive[OSPF6_MESSAGE_TYPE_MAX];
  97
  98   u_int ospf6_stat_state_changed;
  99   u_int ospf6_stat_seqnum_mismatch;
 100   u_int ospf6_stat_bad_lsreq;
 101   u_int ospf6_stat_oneway_received;
 102   u_int ospf6_stat_inactivity_timer;
 103   u_int ospf6_stat_dr_election;
 104   u_int ospf6_stat_retrans_dbdesc;
 105   u_int ospf6_stat_retrans_lsreq;
 106   u_int ospf6_stat_retrans_lsupdate;
 107   u_int ospf6_stat_received_lsa;
 108   u_int ospf6_stat_received_lsupdate;
 109
 110   struct timeval tv_last_hello_received;
 111 };
 112
 113 extern char *ospf6_neighbor_state_string[];
 114
 115 \f
 116 /* Function Prototypes */
 117 int
 118 ospf6_neighbor_last_dbdesc_release (struct thread *);
 119
 120 void
 121 ospf6_neighbor_lslist_clear (struct ospf6_neighbor *);
 122
 123 void
 124 ospf6_neighbor_summary_add (struct ospf6_lsa *, struct ospf6_neighbor *);
 125 void
 126 ospf6_neighbor_summary_remove (struct ospf6_lsa *, struct ospf6_neighbor *);
 127
 128 void
 129 ospf6_neighbor_request_add (struct ospf6_lsa *, struct ospf6_neighbor *);
 130 void
 131 ospf6_neighbor_request_remove (struct ospf6_lsa *, struct ospf6_neighbor *);
 132
 133 void
 134 ospf6_neighbor_retrans_add (struct ospf6_lsa *, struct ospf6_neighbor *);
 135 void
 136 ospf6_neighbor_retrans_remove (struct ospf6_lsa *, struct ospf6_neighbor *);
 137
 138 void
 139 ospf6_neighbor_dbdesc_add (struct ospf6_lsa *lsa,
 140                            struct ospf6_neighbor *nei);
 141 void
 142 ospf6_neighbor_dbdesc_remove (struct ospf6_lsa *lsa,
 143                               struct ospf6_neighbor *nei);
 144
 145 void
 146 ospf6_neighbor_dbex_init (struct ospf6_neighbor *nei);
 147
 148 void
 149 ospf6_neighbor_thread_cancel_all (struct ospf6_neighbor *);
 150
 151 struct ospf6_neighbor *
 152 ospf6_neighbor_create (u_int32_t, struct ospf6_interface *);
 153 void
 154 ospf6_neighbor_delete (struct ospf6_neighbor *);
 155 struct ospf6_neighbor *
 156 ospf6_neighbor_lookup (u_int32_t, struct ospf6_interface *);
 157
 158 void ospf6_neighbor_init ();
 159
 160 #endif /* OSPF6_NEIGHBOR_H */
 161