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         struct thread *jp_timer;
  46         struct list *upstream_jp_agg;
  47 };
  48
  49 void pim_neighbor_timer_reset(struct pim_neighbor *neigh, uint16_t holdtime);
  50 void pim_neighbor_free(struct pim_neighbor *neigh);
  51 struct pim_neighbor *pim_neighbor_find(struct interface *ifp,
  52                                        struct in_addr source_addr);
  53
  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 *
  60 pim_neighbor_add(struct interface *ifp, struct in_addr source_addr,
  61                  pim_hello_options hello_options, uint16_t holdtime,
  62                  uint16_t propagation_delay, uint16_t override_interval,
  63                  uint32_t dr_priority, uint32_t generation_id,
  64                  struct list *addr_list, int send_hello_now);
  65 void pim_neighbor_delete(struct interface *ifp, struct pim_neighbor *neigh,
  66                          const char *delete_message);
  67 void pim_neighbor_delete_all(struct interface *ifp, const char *delete_message);
  68 void pim_neighbor_update(struct pim_neighbor *neigh,
  69                          pim_hello_options hello_options, uint16_t holdtime,
  70                          uint32_t dr_priority, struct list *addr_list);
  71 struct prefix *pim_neighbor_find_secondary(struct pim_neighbor *neigh,
  72                                            struct in_addr addr);
  73 int pim_if_dr_election(struct interface *ifp);
  74
  75 #endif /* PIM_NEIGHBOR_H */