release/src/router/zebra/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
  37   /* Neighbor Router ID */
  38   u_int32_t router_id;
  39
  40   /* Router Priority of this neighbor */
  41   u_char priority;
  42
  43   u_int32_t ifid;
  44   u_int32_t dr;
  45   u_int32_t bdr;
  46   u_int32_t prevdr;
  47   u_int32_t prevbdr;
  48
  49   /* Link-LSA's options field */
  50   char options[3];
  51
  52   /* IPaddr of I/F on our side link */
  53   struct in6_addr hisaddr;
  54
  55   /* new */
  56   struct ospf6_lsdb *summary_list;
  57   struct ospf6_lsdb *request_list;
  58   struct ospf6_lsdb *retrans_list;
  59
  60   /* For Database Exchange */
  61   u_char               dbdesc_bits;
  62   u_int32_t            dbdesc_seqnum;
  63   struct ospf6_dbdesc *dbdesc_previous;
  64
  65   /* last received DD , including OSPF capability of this neighbor */
  66   struct ospf6_dbdesc last_dd;
  67
  68   /* LSAs to retransmit to this neighbor */
  69   list dbdesc_lsa;
  70
  71   /* placeholder for DbDesc */
  72   struct iovec dbdesc_last_send[1024];
  73
  74   struct thread *inactivity_timer;
  75
  76   /* DbDesc */
  77   struct thread *thread_send_dbdesc;
  78   struct thread *thread_rxmt_dbdesc;
  79   list dbdesclist;
  80   struct ospf6_lsdb *dbdesc_list;
  81
  82   /* LSReq */
  83   struct thread *thread_send_lsreq;
  84   struct thread *thread_rxmt_lsreq;
  85
  86   /* LSUpdate */
  87   struct thread *send_update;
  88   struct thread *thread_send_update;
  89   struct thread *thread_rxmt_update;
  90
  91   /* statistics */
  92   u_int ospf6_stat_state_changed;
  93   u_int ospf6_stat_seqnum_mismatch;
  94   u_int ospf6_stat_bad_lsreq;
  95   u_int ospf6_stat_oneway_received;
  96   u_int ospf6_stat_inactivity_timer;
  97   u_int ospf6_stat_dr_election;
  98   u_int ospf6_stat_retrans_dbdesc;
  99   u_int ospf6_stat_retrans_lsreq;
 100   u_int ospf6_stat_retrans_lsupdate;
 101   u_int ospf6_stat_received_lsa;
 102   u_int ospf6_stat_received_lsupdate;
 103
 104   struct timeval tv_last_hello_received;
 105 };
 106
 107 extern char *ospf6_neighbor_state_string[];
 108
 109 \f
 110 /* Function Prototypes */
 111 int
 112 ospf6_neighbor_last_dbdesc_release (struct thread *);
 113
 114 void
 115 ospf6_neighbor_lslist_clear (struct ospf6_neighbor *);
 116
 117 void
 118 ospf6_neighbor_summary_add (struct ospf6_lsa *, struct ospf6_neighbor *);
 119 void
 120 ospf6_neighbor_summary_remove (struct ospf6_lsa *, struct ospf6_neighbor *);
 121
 122 void
 123 ospf6_neighbor_request_add (struct ospf6_lsa *, struct ospf6_neighbor *);
 124 void
 125 ospf6_neighbor_request_remove (struct ospf6_lsa *, struct ospf6_neighbor *);
 126
 127 void
 128 ospf6_neighbor_retrans_add (struct ospf6_lsa *, struct ospf6_neighbor *);
 129 void
 130 ospf6_neighbor_retrans_remove (struct ospf6_lsa *, struct ospf6_neighbor *);
 131
 132 void
 133 ospf6_neighbor_dbdesc_add (struct ospf6_lsa *lsa,
 134                            struct ospf6_neighbor *nei);
 135 void
 136 ospf6_neighbor_dbdesc_remove (struct ospf6_lsa *lsa,
 137                               struct ospf6_neighbor *nei);
 138
 139 void
 140 ospf6_neighbor_dbex_init (struct ospf6_neighbor *nei);
 141
 142 void
 143 ospf6_neighbor_thread_cancel_all (struct ospf6_neighbor *);
 144
 145 struct ospf6_neighbor *
 146 ospf6_neighbor_create (u_int32_t, struct ospf6_interface *);
 147 void
 148 ospf6_neighbor_delete (struct ospf6_neighbor *);
 149 struct ospf6_neighbor *
 150 ospf6_neighbor_lookup (u_int32_t, struct ospf6_interface *);
 151
 152 void ospf6_neighbor_init ();
 153
 154 #endif /* OSPF6_NEIGHBOR_H */
 155