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1 | /* |
2 | * Zebra neighbor table management | |
3 | * | |
4 | * Copyright (C) 2021 Nvidia | |
5 | * Anuradha Karuppiah | |
6 | * | |
7 | * This file is part of FRR. | |
8 | * | |
9 | * FRR is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2, or (at your option) any | |
12 | * later version. | |
13 | * | |
14 | * FRR is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | */ | |
19 | ||
20 | #ifndef _ZEBRA_NEIGH_H | |
21 | #define _ZEBRA_NEIGH_H | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | #include "if.h" | |
26 | ||
27 | #define zneigh_info zrouter.neigh_info | |
28 | ||
29 | struct zebra_neigh_ent { | |
30 | ifindex_t ifindex; | |
31 | struct ipaddr ip; | |
32 | ||
33 | struct ethaddr mac; | |
34 | ||
35 | uint32_t flags; | |
36 | #define ZEBRA_NEIGH_ENT_ACTIVE (1 << 0) /* can be used for traffic */ | |
37 | ||
38 | /* memory used for adding the neigt entry to zneigh_info->es_rb_tree */ | |
39 | RB_ENTRY(zebra_neigh_ent) rb_node; | |
40 | ||
41 | /* list of pbr rules associated with this neigh */ | |
42 | struct list *pbr_rule_list; | |
43 | }; | |
44 | RB_HEAD(zebra_neigh_rb_head, zebra_neigh_ent); | |
45 | RB_PROTOTYPE(zebra_neigh_rb_head, zebra_neigh_ent, rb_node, zebra_es_rb_cmp); | |
46 | ||
47 | struct zebra_neigh_info { | |
48 | /* RB tree of neighbor entries */ | |
49 | struct zebra_neigh_rb_head neigh_rb_tree; | |
50 | }; | |
51 | ||
52 | ||
53 | /****************************************************************************/ | |
54 | extern void zebra_neigh_add(struct interface *ifp, struct ipaddr *ip, | |
55 | struct ethaddr *mac); | |
56 | extern void zebra_neigh_del(struct interface *ifp, struct ipaddr *ip); | |
57 | extern void zebra_neigh_show(struct vty *vty); | |
58 | extern void zebra_neigh_init(void); | |
59 | extern void zebra_neigh_terminate(void); | |
60 | extern void zebra_neigh_deref(struct zebra_pbr_rule *rule); | |
61 | extern void zebra_neigh_ref(int ifindex, struct ipaddr *ip, | |
62 | struct zebra_pbr_rule *rule); | |
63 | ||
64 | #endif /* _ZEBRA_NEIGH_H */ |