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 <mlag.h>
  25
  26 #include "pim_str.h"
  27 #include "pim_msdp.h"
  28 #include "pim_assert.h"
  29 #include "pim_bsm.h"
  30 #include "pim_vxlan_instance.h"
  31
  32 #if defined(HAVE_LINUX_MROUTE_H)
  33 #include <linux/mroute.h>
  34 #else
  35 /*
  36   Below: from <linux/mroute.h>
  37 */
  38
  39 #ifndef MAXVIFS
  40 #define MAXVIFS (256)
  41 #endif
  42 #endif
  43
  44 enum pim_spt_switchover {
  45         PIM_SPT_IMMEDIATE,
  46         PIM_SPT_INFINITY,
  47 };
  48
  49 struct pim_router {
  50         struct thread_master *master;
  51
  52         uint32_t debugs;
  53
  54         int t_periodic;
  55         struct pim_assert_metric infinite_assert_metric;
  56         long rpf_cache_refresh_delay_msec;
  57         int32_t register_suppress_time;
  58         int packet_process;
  59         int32_t register_probe_time;
  60
  61         /*
  62          * What is the default vrf that we work in
  63          */
  64         vrf_id_t vrf_id;
  65
  66         enum mlag_role role;
  67         uint32_t pim_mlag_intf_cnt;
  68         /* if true we have registered with MLAG */
  69         bool mlag_process_register;
  70         /* if true local MLAG process reported that it is connected
  71          * with the peer MLAG process
  72          */
  73         bool connected_to_mlag;
  74         /* Holds the client data(unencoded) that need to be pushed to MCLAGD*/
  75         struct stream_fifo *mlag_fifo;
  76         struct stream *mlag_stream;
  77         struct thread *zpthread_mlag_write;
  78 };
  79
  80 /* Per VRF PIM DB */
  81 struct pim_instance {
  82         vrf_id_t vrf_id;
  83         struct vrf *vrf;
  84
  85         struct {
  86                 enum pim_spt_switchover switchover;
  87                 char *plist;
  88         } spt;
  89
  90         struct hash *rpf_hash;
  91
  92         void *ssm_info; /* per-vrf SSM configuration */
  93
  94         int send_v6_secondary;
  95
  96         struct thread *thread;
  97         int mroute_socket;
  98         int64_t mroute_socket_creation;
  99         int64_t mroute_add_events;
 100         int64_t mroute_add_last;
 101         int64_t mroute_del_events;
 102         int64_t mroute_del_last;
 103
 104         struct interface *regiface;
 105
 106         // List of static routes;
 107         struct list *static_routes;
 108
 109         // Upstream vrf specific information
 110         struct list *upstream_list;
 111         struct hash *upstream_hash;
 112         struct timer_wheel *upstream_sg_wheel;
 113
 114         /*
 115          * RP information
 116          */
 117         struct list *rp_list;
 118         struct route_table *rp_table;
 119
 120         int iface_vif_index[MAXVIFS];
 121
 122         struct list *channel_oil_list;
 123         struct hash *channel_oil_hash;
 124
 125         struct pim_msdp msdp;
 126         struct pim_vxlan_instance vxlan;
 127
 128         struct list *ssmpingd_list;
 129         struct in_addr ssmpingd_group_addr;
 130
 131         unsigned int keep_alive_time;
 132         unsigned int rp_keep_alive_time;
 133
 134         bool ecmp_enable;
 135         bool ecmp_rebalance_enable;
 136         /* No. of Dual active I/fs in pim_instance */
 137         uint32_t inst_mlag_intf_cnt;
 138
 139         /* Bsm related */
 140         struct bsm_scope global_scope;
 141         uint64_t bsm_rcvd;
 142         uint64_t bsm_sent;
 143         uint64_t bsm_dropped;
 144
 145         /* If we need to rescan all our upstreams */
 146         struct thread *rpf_cache_refresher;
 147         int64_t rpf_cache_refresh_requests;
 148         int64_t rpf_cache_refresh_events;
 149         int64_t rpf_cache_refresh_last;
 150         int64_t scan_oil_events;
 151         int64_t scan_oil_last;
 152
 153         int64_t nexthop_lookups;
 154         int64_t nexthop_lookups_avoided;
 155         int64_t last_route_change_time;
 156 };
 157
 158 void pim_vrf_init(void);
 159 void pim_vrf_terminate(void);
 160
 161 struct pim_instance *pim_get_pim_instance(vrf_id_t vrf_id);
 162
 163 #endif