pimd/pim_rp.h

   1 /*
   2  * PIM for Quagga
   3  * Copyright (C) 2015 Cumulus Networks, Inc.
   4  * Donald Sharp
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program 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 along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20 #ifndef PIM_RP_H
  21 #define PIM_RP_H
  22
  23 #include <zebra.h>
  24 #include "prefix.h"
  25 #include "vty.h"
  26 #include "plist.h"
  27 #include "pim_rpf.h"
  28
  29 struct pim_interface;
  30
  31 enum rp_source {
  32         RP_SRC_NONE = 0,
  33         RP_SRC_STATIC,
  34         RP_SRC_BSR
  35 };
  36
  37 struct rp_info {
  38         struct prefix group;
  39         struct pim_rpf rp;
  40         enum rp_source rp_src;
  41         int i_am_rp;
  42         char *plist;
  43 };
  44
  45 void pim_rp_init(struct pim_instance *pim);
  46 void pim_rp_free(struct pim_instance *pim);
  47
  48 void pim_rp_list_hash_clean(void *data);
  49
  50 int pim_rp_new(struct pim_instance *pim, struct in_addr rp_addr,
  51                struct prefix group, const char *plist,
  52                enum rp_source rp_src_flag);
  53 int pim_rp_del_config(struct pim_instance *pim, const char *rp,
  54                       const char *group, const char *plist);
  55 int pim_rp_del(struct pim_instance *pim, struct in_addr rp_addr,
  56                struct prefix group, const char *plist,
  57                enum rp_source rp_src_flag);
  58 int pim_rp_change(struct pim_instance *pim, struct in_addr new_rp_addr,
  59                   struct prefix group, enum rp_source rp_src_flag);
  60 void pim_rp_prefix_list_update(struct pim_instance *pim,
  61                                struct prefix_list *plist);
  62
  63 int pim_rp_config_write(struct pim_instance *pim, struct vty *vty,
  64                         const char *spaces);
  65
  66 void pim_rp_setup(struct pim_instance *pim);
  67
  68 int pim_rp_i_am_rp(struct pim_instance *pim, struct in_addr group);
  69 void pim_rp_check_on_if_add(struct pim_interface *pim_ifp);
  70 void pim_i_am_rp_re_evaluate(struct pim_instance *pim);
  71
  72 bool pim_rp_check_is_my_ip_address(struct pim_instance *pim,
  73                                    struct in_addr dest_addr);
  74
  75 int pim_rp_set_upstream_addr(struct pim_instance *pim, struct in_addr *up,
  76                              struct in_addr source, struct in_addr group);
  77
  78 struct pim_rpf *pim_rp_g(struct pim_instance *pim, struct in_addr group);
  79
  80 #define I_am_RP(P, G)  pim_rp_i_am_rp ((P), (G))
  81 #define RP(P, G)       pim_rp_g ((P), (G))
  82
  83 void pim_rp_show_information(struct pim_instance *pim, struct vty *vty,
  84                              bool uj);
  85 void pim_resolve_rp_nh(struct pim_instance *pim, struct pim_neighbor *nbr);
  86 int pim_rp_list_cmp(void *v1, void *v2);
  87 struct rp_info *pim_rp_find_match_group(struct pim_instance *pim,
  88                                         const struct prefix *group);
  89 void pim_upstream_update(struct pim_instance *pim, struct pim_upstream *up);
  90 void pim_rp_refresh_group_to_rp_mapping(struct pim_instance *pim);
  91 #endif