pimd/pim_instance.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * PIM for FRR - PIM Instance
   4  * Copyright (C) 2017 Cumulus Networks, Inc.
   5  * Donald Sharp
   6  */
   7 #ifndef __PIM_INSTANCE_H__
   8 #define __PIM_INSTANCE_H__
   9
  10 #include <mlag.h>
  11
  12 #include "pim_str.h"
  13 #include "pim_msdp.h"
  14 #include "pim_assert.h"
  15 #include "pim_bsm.h"
  16 #include "pim_vxlan_instance.h"
  17 #include "pim_oil.h"
  18 #include "pim_upstream.h"
  19 #include "pim_mroute.h"
  20
  21 enum pim_spt_switchover {
  22         PIM_SPT_IMMEDIATE,
  23         PIM_SPT_INFINITY,
  24 };
  25
  26 /* stats for updates rxed from the MLAG component during the life of a
  27  * session
  28  */
  29 struct pim_mlag_msg_stats {
  30         uint32_t mroute_add_rx;
  31         uint32_t mroute_add_tx;
  32         uint32_t mroute_del_rx;
  33         uint32_t mroute_del_tx;
  34         uint32_t mlag_status_updates;
  35         uint32_t pim_status_updates;
  36         uint32_t vxlan_updates;
  37         uint32_t peer_zebra_status_updates;
  38 };
  39
  40 struct pim_mlag_stats {
  41         /* message stats are reset when the connection to mlagd flaps */
  42         struct pim_mlag_msg_stats msg;
  43         uint32_t mlagd_session_downs;
  44         uint32_t peer_session_downs;
  45         uint32_t peer_zebra_downs;
  46 };
  47
  48 enum pim_mlag_flags {
  49         PIM_MLAGF_NONE = 0,
  50         /* connection to the local MLAG daemon is up */
  51         PIM_MLAGF_LOCAL_CONN_UP = (1 << 0),
  52         /* connection to the MLAG daemon on the peer switch is up. note
  53          * that there is no direct connection between FRR and the peer MLAG
  54          * daemon. this is just a peer-session status provided by the local
  55          * MLAG daemon.
  56          */
  57         PIM_MLAGF_PEER_CONN_UP = (1 << 1),
  58         /* status update rxed from the local daemon */
  59         PIM_MLAGF_STATUS_RXED = (1 << 2),
  60         /* initial dump of data done post peerlink flap */
  61         PIM_MLAGF_PEER_REPLAY_DONE = (1 << 3),
  62         /* zebra is up on the peer */
  63         PIM_MLAGF_PEER_ZEBRA_UP = (1 << 4)
  64 };
  65
  66 struct pim_router {
  67         struct thread_master *master;
  68
  69         uint32_t debugs;
  70
  71         int t_periodic;
  72         struct pim_assert_metric infinite_assert_metric;
  73         long rpf_cache_refresh_delay_msec;
  74         uint32_t register_suppress_time;
  75         int packet_process;
  76         uint32_t register_probe_time;
  77         uint16_t multipath;
  78
  79         /*
  80          * What is the default vrf that we work in
  81          */
  82         vrf_id_t vrf_id;
  83
  84         enum mlag_role mlag_role;
  85         uint32_t pim_mlag_intf_cnt;
  86         /* if true we have registered with MLAG */
  87         bool mlag_process_register;
  88         /* if true local MLAG process reported that it is connected
  89          * with the peer MLAG process
  90          */
  91         bool connected_to_mlag;
  92         /* Holds the client data(unencoded) that need to be pushed to MCLAGD*/
  93         struct stream_fifo *mlag_fifo;
  94         struct stream *mlag_stream;
  95         struct thread *zpthread_mlag_write;
  96         struct in_addr anycast_vtep_ip;
  97         struct in_addr local_vtep_ip;
  98         struct pim_mlag_stats mlag_stats;
  99         enum pim_mlag_flags mlag_flags;
 100         char peerlink_rif[INTERFACE_NAMSIZ];
 101         struct interface *peerlink_rif_p;
 102 };
 103
 104 /* Per VRF PIM DB */
 105 struct pim_instance {
 106         // vrf_id_t vrf_id;
 107         struct vrf *vrf;
 108
 109         struct {
 110                 enum pim_spt_switchover switchover;
 111                 char *plist;
 112         } spt;
 113
 114         /* The name of the register-accept prefix-list */
 115         char *register_plist;
 116
 117         struct hash *rpf_hash;
 118
 119         void *ssm_info; /* per-vrf SSM configuration */
 120
 121         int send_v6_secondary;
 122
 123         struct thread *thread;
 124         int mroute_socket;
 125         int reg_sock; /* Socket to send register msg */
 126         int64_t mroute_socket_creation;
 127         int64_t mroute_add_events;
 128         int64_t mroute_add_last;
 129         int64_t mroute_del_events;
 130         int64_t mroute_del_last;
 131
 132         struct interface *regiface;
 133
 134         // List of static routes;
 135         struct list *static_routes;
 136
 137         // Upstream vrf specific information
 138         struct rb_pim_upstream_head upstream_head;
 139         struct timer_wheel *upstream_sg_wheel;
 140
 141         /*
 142          * RP information
 143          */
 144         struct list *rp_list;
 145         struct route_table *rp_table;
 146
 147         int iface_vif_index[MAXVIFS];
 148         int mcast_if_count;
 149
 150         struct rb_pim_oil_head channel_oil_head;
 151
 152         struct pim_msdp msdp;
 153         struct pim_vxlan_instance vxlan;
 154
 155         struct list *ssmpingd_list;
 156         pim_addr ssmpingd_group_addr;
 157
 158         unsigned int gm_socket_if_count;
 159         int gm_socket;
 160         struct thread *t_gm_recv;
 161
 162         unsigned int gm_group_count;
 163         unsigned int gm_watermark_limit;
 164         unsigned int keep_alive_time;
 165         unsigned int rp_keep_alive_time;
 166
 167         bool ecmp_enable;
 168         bool ecmp_rebalance_enable;
 169         /* No. of Dual active I/fs in pim_instance */
 170         uint32_t inst_mlag_intf_cnt;
 171
 172         /* Bsm related */
 173         struct bsm_scope global_scope;
 174         uint64_t bsm_rcvd;
 175         uint64_t bsm_sent;
 176         uint64_t bsm_dropped;
 177
 178         /* If we need to rescan all our upstreams */
 179         struct thread *rpf_cache_refresher;
 180         int64_t rpf_cache_refresh_requests;
 181         int64_t rpf_cache_refresh_events;
 182         int64_t rpf_cache_refresh_last;
 183         int64_t scan_oil_events;
 184         int64_t scan_oil_last;
 185
 186         int64_t nexthop_lookups;
 187         int64_t nexthop_lookups_avoided;
 188         int64_t last_route_change_time;
 189
 190         uint64_t gm_rx_drop_sys;
 191 };
 192
 193 void pim_vrf_init(void);
 194 void pim_vrf_terminate(void);
 195
 196 extern struct pim_router *router;
 197
 198 struct pim_instance *pim_get_pim_instance(vrf_id_t vrf_id);
 199
 200 #endif