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 #include "pim_iface.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         struct bfd_session_params *bfd_session;
  48 };
  49
  50 void pim_neighbor_timer_reset(struct pim_neighbor *neigh, uint16_t holdtime);
  51 void pim_neighbor_free(struct pim_neighbor *neigh);
  52 struct pim_neighbor *pim_neighbor_find(struct interface *ifp,
  53                                        struct in_addr source_addr);
  54 struct pim_neighbor *pim_neighbor_find_by_secondary(struct interface *ifp,
  55                                                     struct prefix *src);
  56 struct pim_neighbor *pim_neighbor_find_if(struct interface *ifp);
  57
  58
  59 #define PIM_NEIGHBOR_SEND_DELAY 0
  60 #define PIM_NEIGHBOR_SEND_NOW   1
  61 struct pim_neighbor *
  62 pim_neighbor_add(struct interface *ifp, struct in_addr source_addr,
  63                  pim_hello_options hello_options, uint16_t holdtime,
  64                  uint16_t propagation_delay, uint16_t override_interval,
  65                  uint32_t dr_priority, uint32_t generation_id,
  66                  struct list *addr_list, int send_hello_now);
  67 void pim_neighbor_delete(struct interface *ifp, struct pim_neighbor *neigh,
  68                          const char *delete_message);
  69 void pim_neighbor_delete_all(struct interface *ifp, const char *delete_message);
  70 void pim_neighbor_update(struct pim_neighbor *neigh,
  71                          pim_hello_options hello_options, uint16_t holdtime,
  72                          uint32_t dr_priority, struct list *addr_list);
  73 struct prefix *pim_neighbor_find_secondary(struct pim_neighbor *neigh,
  74                                            struct prefix *addr);
  75 int pim_if_dr_election(struct interface *ifp);
  76
  77 #endif /* PIM_NEIGHBOR_H */