pimd/pim_neighbor.h

   1 /*
   2  * PIM for Quagga
   3  * Copyright (C) 2008  Everton da Silva Marques
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; see the file COPYING; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 #ifndef PIM_NEIGHBOR_H
  21 #define PIM_NEIGHBOR_H
  22
  23 #include <zebra.h>
  24
  25 #include "if.h"
  26 #include "linklist.h"
  27 #include "prefix.h"
  28
  29 #include "pim_tlv.h"
  30
  31 struct pim_neighbor {
  32   int64_t            creation; /* timestamp of creation */
  33   struct in_addr     source_addr;
  34   pim_hello_options  hello_options;
  35   uint16_t           holdtime;
  36   uint16_t           propagation_delay_msec;
  37   uint16_t           override_interval_msec;
  38   uint32_t           dr_priority;
  39   uint32_t           generation_id;
  40   struct list       *prefix_list; /* list of struct prefix */
  41   struct thread     *t_expire_timer;
  42   struct interface  *interface;
  43
  44   struct thread     *jp_timer;
  45   struct list       *upstream_jp_agg;
  46 };
  47
  48 void pim_neighbor_timer_reset(struct pim_neighbor *neigh, uint16_t holdtime);
  49 void pim_neighbor_free(struct pim_neighbor *neigh);
  50 struct pim_neighbor *pim_neighbor_find(struct interface *ifp,
  51                                        struct in_addr source_addr);
  52 struct pim_neighbor *pim_neighbor_find_by_secondary (struct interface *ifp,
  53                                                      struct prefix *src);
  54 struct pim_neighbor *pim_neighbor_find_if (struct interface *ifp);
  55
  56
  57 #define PIM_NEIGHBOR_SEND_DELAY 0
  58 #define PIM_NEIGHBOR_SEND_NOW   1
  59 struct pim_neighbor *pim_neighbor_add(struct interface *ifp,
  60                                       struct in_addr source_addr,
  61                                       pim_hello_options hello_options,
  62                                       uint16_t holdtime,
  63                                       uint16_t propagation_delay,
  64                                       uint16_t override_interval,
  65                                       uint32_t dr_priority,
  66                                       uint32_t generation_id,
  67                                       struct list *addr_list,
  68                                       int send_hello_now);
  69 void pim_neighbor_delete(struct interface *ifp,
  70                          struct pim_neighbor *neigh,
  71                          const char *delete_message);
  72 void pim_neighbor_delete_all(struct interface *ifp,
  73                              const char *delete_message);
  74 void pim_neighbor_update(struct pim_neighbor *neigh,
  75                          pim_hello_options hello_options,
  76                          uint16_t holdtime,
  77                          uint32_t dr_priority,
  78                          struct list *addr_list);
  79 struct prefix *pim_neighbor_find_secondary(struct pim_neighbor *neigh,
  80                                            struct prefix *addr);
  81 int pim_if_dr_election(struct interface *ifp);
  82
  83 #endif /* PIM_NEIGHBOR_H */