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ad28e79a SW |
1 | /* Zebra Nexthop Group header. |
2 | * Copyright (C) 2019 Cumulus Networks, Inc. | |
3 | * Donald Sharp | |
4 | * Stephen Worley | |
5 | * | |
6 | * This file is part of FRR. | |
7 | * | |
8 | * FRR is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * FRR is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with FRR; see the file COPYING. If not, write to the Free | |
20 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
21 | * 02111-1307, USA. | |
22 | */ | |
23 | #ifndef __ZEBRA_NHG_H__ | |
24 | #define __ZEBRA_NHG_H__ | |
25 | ||
26 | #include "zebra/rib.h" | |
69171da2 | 27 | #include "lib/nexthop_group.h" |
ad28e79a | 28 | |
69171da2 | 29 | struct nhg_hash_entry { |
a95b8020 | 30 | uint32_t id; |
69171da2 DS |
31 | vrf_id_t vrf_id; |
32 | ||
33 | struct nexthop_group nhg; | |
34 | ||
35 | uint32_t refcnt; | |
36 | uint32_t dplane_ref; | |
c8ee3cdb DS |
37 | |
38 | uint32_t flags; | |
39 | /* | |
40 | * Is this nexthop group valid, ie all nexthops are fully resolved. | |
41 | * What is fully resolved? It's a nexthop that is either self contained | |
42 | * and correct( ie no recursive pointer ) or a nexthop that is recursively | |
43 | * resolved and correct. | |
44 | */ | |
45 | #define NEXTHOP_GROUP_VALID 0x1 | |
46 | /* | |
47 | * Has this nexthop group been installed? At this point in time, this | |
48 | * means that the data-plane has been told about this nexthop group | |
49 | * and it's possible usage by a route entry. | |
50 | */ | |
51 | #define NEXTHOP_GROUP_INSTALLED 0x2 | |
69171da2 DS |
52 | }; |
53 | ||
54 | void zebra_nhg_init(void); | |
55 | void zebra_nhg_terminate(void); | |
56 | ||
57 | extern uint32_t zebra_nhg_hash_key(const void *arg); | |
a95b8020 | 58 | extern uint32_t zebra_nhg_id_key(const void *arg); |
69171da2 DS |
59 | |
60 | extern bool zebra_nhg_hash_equal(const void *arg1, const void *arg2); | |
a95b8020 | 61 | extern bool zebra_nhg_id_equal(const void *arg1, const void *arg2); |
69171da2 | 62 | |
8b5bdc8b | 63 | extern void zebra_nhg_find(struct nexthop_group *nhg, struct route_entry *re); |
a95b8020 | 64 | extern void zebra_nhg_find_id(uint32_t id, struct nexthop_group *nhg); |
8b5bdc8b SW |
65 | void zebra_nhg_release(struct route_entry *re); |
66 | ||
67 | extern int nexthop_active_update(struct route_node *rn, struct route_entry *re); | |
ad28e79a | 68 | #endif |