pimd/pim_instance.h

   1 /*
   2  * PIM for FRR - PIM Instance
   3  * Copyright (C) 2017 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
  17  * along with this program; see the file COPYING; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  19  * MA 02110-1301 USA
  20  */
  21 #ifndef __PIM_INSTANCE_H__
  22 #define __PIM_INSTANCE_H__
  23
  24 #include "pim_str.h"
  25 #include "pim_msdp.h"
  26
  27 #if defined(HAVE_LINUX_MROUTE_H)
  28 #include <linux/mroute.h>
  29 #else
  30 /*
  31   Below: from <linux/mroute.h>
  32 */
  33
  34 #ifndef MAXVIFS
  35 #define MAXVIFS (256)
  36 #endif
  37 #endif
  38 extern struct pim_instance *pimg; // Pim Global Instance
  39
  40 enum pim_spt_switchover {
  41         PIM_SPT_IMMEDIATE,
  42         PIM_SPT_INFINITY,
  43 };
  44
  45 struct pim_router {
  46         struct thread_master *master;
  47 };
  48
  49 /* Per VRF PIM DB */
  50 struct pim_instance {
  51         vrf_id_t vrf_id;
  52         struct vrf *vrf;
  53
  54         struct {
  55                 enum pim_spt_switchover switchover;
  56                 char *plist;
  57         } spt;
  58
  59         struct hash *rpf_hash;
  60
  61         void *ssm_info; /* per-vrf SSM configuration */
  62
  63         int send_v6_secondary;
  64
  65         struct thread *thread;
  66         int mroute_socket;
  67         int64_t mroute_socket_creation;
  68         int64_t mroute_add_events;
  69         int64_t mroute_add_last;
  70         int64_t mroute_del_events;
  71         int64_t mroute_del_last;
  72
  73         struct interface *regiface;
  74
  75         // List of static routes;
  76         struct list *static_routes;
  77
  78         // Upstream vrf specific information
  79         struct list *upstream_list;
  80         struct hash *upstream_hash;
  81         struct timer_wheel *upstream_sg_wheel;
  82
  83         /*
  84          * RP information
  85          */
  86         struct list *rp_list;
  87         struct route_table *rp_table;
  88
  89         int iface_vif_index[MAXVIFS];
  90
  91         struct list *channel_oil_list;
  92         struct hash *channel_oil_hash;
  93
  94         struct pim_msdp msdp;
  95
  96         struct list *ssmpingd_list;
  97         struct in_addr ssmpingd_group_addr;
  98
  99         unsigned int keep_alive_time;
 100         unsigned int rp_keep_alive_time;
 101
 102         bool ecmp_enable;
 103         bool ecmp_rebalance_enable;
 104
 105         /* If we need to rescan all our upstreams */
 106         struct thread *rpf_cache_refresher;
 107         int64_t rpf_cache_refresh_requests;
 108         int64_t rpf_cache_refresh_events;
 109         int64_t rpf_cache_refresh_last;
 110         int64_t scan_oil_events;
 111         int64_t scan_oil_last;
 112
 113         int64_t nexthop_lookups;
 114         int64_t nexthop_lookups_avoided;
 115         int64_t last_route_change_time;
 116 };
 117
 118 void pim_vrf_init(void);
 119 void pim_vrf_terminate(void);
 120
 121 struct pim_instance *pim_get_pim_instance(vrf_id_t vrf_id);
 122
 123 #endif