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
  16   along with this program; see the file COPYING; if not, write to the
  17   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  18   MA 02110-1301 USA
  19 */
  20
  21 #ifndef PIM_NEIGHBOR_H
  22 #define PIM_NEIGHBOR_H
  23
  24 #include <zebra.h>
  25
  26 #include "if.h"
  27 #include "linklist.h"
  28 #include "prefix.h"
  29
  30 #include "pim_tlv.h"
  31
  32 struct pim_neighbor {
  33   int64_t            creation; /* timestamp of creation */
  34   struct in_addr     source_addr;
  35   pim_hello_options  hello_options;
  36   uint16_t           holdtime;
  37   uint16_t           propagation_delay_msec;
  38   uint16_t           override_interval_msec;
  39   uint32_t           dr_priority;
  40   uint32_t           generation_id;
  41   struct list       *prefix_list; /* list of struct prefix */
  42   struct thread     *t_expire_timer;
  43   struct interface  *interface;
  44 };
  45
  46 void pim_neighbor_timer_reset(struct pim_neighbor *neigh, uint16_t holdtime);
  47 void pim_neighbor_free(struct pim_neighbor *neigh);
  48 struct pim_neighbor *pim_neighbor_find(struct interface *ifp,
  49                                        struct in_addr source_addr);
  50
  51 struct pim_neighbor *pim_neighbor_find_if (struct interface *ifp);
  52
  53
  54 #define PIM_NEIGHBOR_SEND_DELAY 0
  55 #define PIM_NEIGHBOR_SEND_NOW   1
  56 struct pim_neighbor *pim_neighbor_add(struct interface *ifp,
  57                                       struct in_addr source_addr,
  58                                       pim_hello_options hello_options,
  59                                       uint16_t holdtime,
  60                                       uint16_t propagation_delay,
  61                                       uint16_t override_interval,
  62                                       uint32_t dr_priority,
  63                                       uint32_t generation_id,
  64                                       struct list *addr_list,
  65                                       int send_hello_now);
  66 void pim_neighbor_delete(struct interface *ifp,
  67                          struct pim_neighbor *neigh,
  68                          const char *delete_message);
  69 void pim_neighbor_delete_all(struct interface *ifp,
  70                              const char *delete_message);
  71 void pim_neighbor_update(struct pim_neighbor *neigh,
  72                          pim_hello_options hello_options,
  73                          uint16_t holdtime,
  74                          uint32_t dr_priority,
  75                          struct list *addr_list);
  76 struct prefix *pim_neighbor_find_secondary(struct pim_neighbor *neigh,
  77                                            struct in_addr addr);
  78 int pim_if_dr_election(struct interface *ifp);
  79
  80 #endif /* PIM_NEIGHBOR_H */