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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PIM for Quagga
* Copyright (C) 2015 Cumulus Networks, Inc.
* Donald Sharp
*/
#ifndef PIM_RP_H
#define PIM_RP_H
#include <zebra.h>
#include "prefix.h"
#include "vty.h"
#include "plist.h"
#include "pim_rpf.h"
#include "lib/json.h"
struct pim_interface;
enum rp_source {
RP_SRC_NONE = 0,
RP_SRC_STATIC,
RP_SRC_BSR,
RP_SRC_AUTORP,
#if PIM_IPV == 6
RP_SRC_EMBEDDED_RP,
#endif /* PIM_IPV == 6*/
};
struct rp_info {
struct prefix group;
struct pim_rpf rp;
enum rp_source rp_src;
int i_am_rp;
char *plist;
};
#if PIM_IPV == 6
/** Default maximum simultaneous embedded RPs at one time. */
#define PIM_EMBEDDED_RP_MAXIMUM 25
#endif /* PIM_IPV == 6 */
void pim_rp_init(struct pim_instance *pim);
void pim_rp_free(struct pim_instance *pim);
int pim_rp_new(struct pim_instance *pim, pim_addr rp_addr, struct prefix group,
const char *plist, enum rp_source rp_src_flag);
void pim_rp_del_config(struct pim_instance *pim, pim_addr rp_addr,
const char *group, const char *plist);
int pim_rp_del(struct pim_instance *pim, pim_addr rp_addr, struct prefix group,
const char *plist, enum rp_source rp_src_flag);
int pim_rp_change(struct pim_instance *pim, pim_addr new_rp_addr,
struct prefix group, enum rp_source rp_src_flag);
void pim_rp_prefix_list_update(struct pim_instance *pim,
struct prefix_list *plist);
int pim_rp_config_write(struct pim_instance *pim, struct vty *vty);
void pim_rp_setup(struct pim_instance *pim);
int pim_rp_i_am_rp(struct pim_instance *pim, pim_addr group);
void pim_rp_check_on_if_add(struct pim_interface *pim_ifp);
void pim_i_am_rp_re_evaluate(struct pim_instance *pim);
bool pim_rp_check_is_my_ip_address(struct pim_instance *pim,
struct in_addr dest_addr);
int pim_rp_set_upstream_addr(struct pim_instance *pim, pim_addr *up,
pim_addr source, pim_addr group);
struct pim_rpf *pim_rp_g(struct pim_instance *pim, pim_addr group);
#define I_am_RP(P, G) pim_rp_i_am_rp ((P), (G))
#define RP(P, G) pim_rp_g ((P), (G))
void pim_rp_show_information(struct pim_instance *pim, struct prefix *range,
struct vty *vty, json_object *json);
void pim_resolve_rp_nh(struct pim_instance *pim, struct pim_neighbor *nbr);
int pim_rp_list_cmp(void *v1, void *v2);
struct rp_info *pim_rp_find_match_group(struct pim_instance *pim,
const struct prefix *group);
void pim_upstream_update(struct pim_instance *pim, struct pim_upstream *up);
void pim_rp_refresh_group_to_rp_mapping(struct pim_instance *pim);
#if PIM_IPV == 6
/** Check if address has valid embedded RP value. */
bool pim_embedded_rp_is_embedded(const pim_addr *group) __attribute__((nonnull(1)));
/** Test address against embedded RP group list filter. */
bool pim_embedded_rp_filter_match(const struct pim_instance *pim, const pim_addr *group)
__attribute__((nonnull(1, 2)));
/**
* Extract embedded RP address from multicast group.
*
* Returns true if successful otherwise false.
*/
bool pim_embedded_rp_extract(const pim_addr *group, pim_addr *rp) __attribute__((nonnull(1, 2)));
/** Allocate new embedded RP. */
void pim_embedded_rp_new(struct pim_instance *pim, const pim_addr *group, const pim_addr *rp)
__attribute__((nonnull(1, 2, 3)));
/** Remove and free allocated embedded RP. */
void pim_embedded_rp_delete(struct pim_instance *pim, const pim_addr *group)
__attribute__((nonnull(1, 2)));
/** Free memory allocated by embedded RP information. */
extern void pim_embedded_rp_free(struct pim_instance *pim, struct rp_info *rp_info)
__attribute__((nonnull(1, 2)));
/** Toggle embedded RP state. */
extern void pim_embedded_rp_enable(struct pim_instance *pim, bool enable)
__attribute__((nonnull(1)));
/** Configure embedded RP group prefix list. */
extern void pim_embedded_rp_set_group_list(struct pim_instance *pim, const char *group_list)
__attribute__((nonnull(1)));
/** Configure maximum number of embedded RPs to learn. */
extern void pim_embedded_rp_set_maximum_rps(struct pim_instance *pim, uint32_t maximum)
__attribute__((nonnull(1)));
#endif /* PIM_IPV == 6 */
#endif
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