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/*
* PIM for FRR - PIM Instance
* Copyright (C) 2017 Cumulus Networks, Inc.
* Donald Sharp
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef __PIM_INSTANCE_H__
#define __PIM_INSTANCE_H__
#include <mlag.h>
#include "pim_str.h"
#include "pim_msdp.h"
#include "pim_assert.h"
#include "pim_bsm.h"
#include "pim_vxlan_instance.h"
#include "pim_oil.h"
#include "pim_upstream.h"
#if defined(HAVE_LINUX_MROUTE_H)
#include <linux/mroute.h>
#else
/*
Below: from <linux/mroute.h>
*/
#ifndef MAXVIFS
#define MAXVIFS (256)
#endif
#endif
enum pim_spt_switchover {
PIM_SPT_IMMEDIATE,
PIM_SPT_INFINITY,
};
/* stats for updates rxed from the MLAG component during the life of a
* session
*/
struct pim_mlag_msg_stats {
uint32_t mroute_add_rx;
uint32_t mroute_add_tx;
uint32_t mroute_del_rx;
uint32_t mroute_del_tx;
uint32_t mlag_status_updates;
uint32_t pim_status_updates;
uint32_t vxlan_updates;
uint32_t peer_zebra_status_updates;
};
struct pim_mlag_stats {
/* message stats are reset when the connection to mlagd flaps */
struct pim_mlag_msg_stats msg;
uint32_t mlagd_session_downs;
uint32_t peer_session_downs;
uint32_t peer_zebra_downs;
};
enum pim_mlag_flags {
PIM_MLAGF_NONE = 0,
/* connection to the local MLAG daemon is up */
PIM_MLAGF_LOCAL_CONN_UP = (1 << 0),
/* connection to the MLAG daemon on the peer switch is up. note
* that there is no direct connection between FRR and the peer MLAG
* daemon. this is just a peer-session status provided by the local
* MLAG daemon.
*/
PIM_MLAGF_PEER_CONN_UP = (1 << 1),
/* status update rxed from the local daemon */
PIM_MLAGF_STATUS_RXED = (1 << 2),
/* initial dump of data done post peerlink flap */
PIM_MLAGF_PEER_REPLAY_DONE = (1 << 3),
/* zebra is up on the peer */
PIM_MLAGF_PEER_ZEBRA_UP = (1 << 4)
};
struct pim_router {
struct thread_master *master;
uint32_t debugs;
int t_periodic;
struct pim_assert_metric infinite_assert_metric;
long rpf_cache_refresh_delay_msec;
uint32_t register_suppress_time;
int packet_process;
uint32_t register_probe_time;
/*
* What is the default vrf that we work in
*/
vrf_id_t vrf_id;
enum mlag_role mlag_role;
uint32_t pim_mlag_intf_cnt;
/* if true we have registered with MLAG */
bool mlag_process_register;
/* if true local MLAG process reported that it is connected
* with the peer MLAG process
*/
bool connected_to_mlag;
/* Holds the client data(unencoded) that need to be pushed to MCLAGD*/
struct stream_fifo *mlag_fifo;
struct stream *mlag_stream;
struct thread *zpthread_mlag_write;
struct in_addr anycast_vtep_ip;
struct in_addr local_vtep_ip;
struct pim_mlag_stats mlag_stats;
enum pim_mlag_flags mlag_flags;
char peerlink_rif[INTERFACE_NAMSIZ];
struct interface *peerlink_rif_p;
};
/* Per VRF PIM DB */
struct pim_instance {
// vrf_id_t vrf_id;
struct vrf *vrf;
struct {
enum pim_spt_switchover switchover;
char *plist;
} spt;
/* The name of the register-accept prefix-list */
char *register_plist;
struct hash *rpf_hash;
void *ssm_info; /* per-vrf SSM configuration */
int send_v6_secondary;
struct thread *thread;
int mroute_socket;
int64_t mroute_socket_creation;
int64_t mroute_add_events;
int64_t mroute_add_last;
int64_t mroute_del_events;
int64_t mroute_del_last;
struct interface *regiface;
// List of static routes;
struct list *static_routes;
// Upstream vrf specific information
struct rb_pim_upstream_head upstream_head;
struct timer_wheel *upstream_sg_wheel;
/*
* RP information
*/
struct list *rp_list;
struct route_table *rp_table;
int iface_vif_index[MAXVIFS];
int mcast_if_count;
struct rb_pim_oil_head channel_oil_head;
struct pim_msdp msdp;
struct pim_vxlan_instance vxlan;
struct list *ssmpingd_list;
struct in_addr ssmpingd_group_addr;
unsigned int igmp_group_count;
unsigned int igmp_watermark_limit;
unsigned int keep_alive_time;
unsigned int rp_keep_alive_time;
bool ecmp_enable;
bool ecmp_rebalance_enable;
/* No. of Dual active I/fs in pim_instance */
uint32_t inst_mlag_intf_cnt;
/* Bsm related */
struct bsm_scope global_scope;
uint64_t bsm_rcvd;
uint64_t bsm_sent;
uint64_t bsm_dropped;
/* If we need to rescan all our upstreams */
struct thread *rpf_cache_refresher;
int64_t rpf_cache_refresh_requests;
int64_t rpf_cache_refresh_events;
int64_t rpf_cache_refresh_last;
int64_t scan_oil_events;
int64_t scan_oil_last;
int64_t nexthop_lookups;
int64_t nexthop_lookups_avoided;
int64_t last_route_change_time;
};
void pim_vrf_init(void);
void pim_vrf_terminate(void);
extern struct pim_router *router;
struct pim_instance *pim_get_pim_instance(vrf_id_t vrf_id);
#endif
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