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/*
* Zebra neighbor table management
*
* Copyright (C) 2021 Nvidia
* Anuradha Karuppiah
*
* This file is part of FRR.
*
* FRR 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, or (at your option) any
* later version.
*
* FRR 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.
*/
#ifndef _ZEBRA_NEIGH_H
#define _ZEBRA_NEIGH_H
#include <zebra.h>
#include "if.h"
#define zneigh_info zrouter.neigh_info
struct zebra_neigh_ent {
ifindex_t ifindex;
struct ipaddr ip;
struct ethaddr mac;
uint32_t flags;
#define ZEBRA_NEIGH_ENT_ACTIVE (1 << 0) /* can be used for traffic */
/* memory used for adding the neigt entry to zneigh_info->es_rb_tree */
RB_ENTRY(zebra_neigh_ent) rb_node;
/* list of pbr rules associated with this neigh */
struct list *pbr_rule_list;
};
RB_HEAD(zebra_neigh_rb_head, zebra_neigh_ent);
RB_PROTOTYPE(zebra_neigh_rb_head, zebra_neigh_ent, rb_node, zebra_es_rb_cmp);
struct zebra_neigh_info {
/* RB tree of neighbor entries */
struct zebra_neigh_rb_head neigh_rb_tree;
};
/****************************************************************************/
extern void zebra_neigh_add(struct interface *ifp, struct ipaddr *ip,
struct ethaddr *mac);
extern void zebra_neigh_del(struct interface *ifp, struct ipaddr *ip);
extern void zebra_neigh_show(struct vty *vty);
extern void zebra_neigh_init(void);
extern void zebra_neigh_terminate(void);
extern void zebra_neigh_deref(struct zebra_pbr_rule *rule);
extern void zebra_neigh_ref(int ifindex, struct ipaddr *ip,
struct zebra_pbr_rule *rule);
#endif /* _ZEBRA_NEIGH_H */
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