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fb018d25 DS |
1 | /* |
2 | * Zebra next hop tracking header | |
3 | * Copyright (C) 2013 Cumulus Networks, Inc. | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
fb018d25 DS |
20 | */ |
21 | ||
22 | #ifndef _ZEBRA_RNH_H | |
23 | #define _ZEBRA_RNH_H | |
24 | ||
25 | #include "prefix.h" | |
26 | #include "vty.h" | |
27 | ||
28 | /* Nexthop structure. */ | |
d62a17ae | 29 | struct rnh { |
d7c0a89a | 30 | uint8_t flags; |
078430f6 | 31 | |
fc9a856f | 32 | #define ZEBRA_NHT_CONNECTED 0x1 |
70c0f184 | 33 | #define ZEBRA_NHT_DELETED 0x2 |
078430f6 DS |
34 | #define ZEBRA_NHT_EXACT_MATCH 0x4 |
35 | ||
d62a17ae | 36 | /* VRF identifier. */ |
37 | vrf_id_t vrf_id; | |
d82ae0de | 38 | |
d62a17ae | 39 | struct route_entry *state; |
40 | struct prefix resolved_route; | |
41 | struct list *client_list; | |
7e24fdf3 DS |
42 | |
43 | /* pseudowires dependent on this nh */ | |
44 | struct list *zebra_pseudowire_list; | |
45 | ||
d62a17ae | 46 | struct route_node *node; |
7e24fdf3 DS |
47 | |
48 | /* | |
49 | * if this has been filtered for the client | |
50 | */ | |
51 | int filtered[ZEBRA_ROUTE_MAX]; | |
fb018d25 DS |
52 | }; |
53 | ||
d62a17ae | 54 | typedef enum { RNH_NEXTHOP_TYPE, RNH_IMPORT_CHECK_TYPE } rnh_type_t; |
078430f6 | 55 | |
a50b580a DS |
56 | extern int zebra_rnh_ip_default_route; |
57 | extern int zebra_rnh_ipv6_default_route; | |
58 | ||
453844ab QY |
59 | extern void zebra_rnh_init(void); |
60 | ||
44bdf159 DS |
61 | static inline int rnh_resolve_via_default(int family) |
62 | { | |
63 | if (((family == AF_INET) && zebra_rnh_ip_default_route) | |
64 | || ((family == AF_INET6) && zebra_rnh_ipv6_default_route)) | |
65 | return 1; | |
66 | else | |
67 | return 0; | |
68 | } | |
69 | ||
b72ede27 | 70 | extern struct rnh *zebra_add_rnh(struct prefix *p, vrf_id_t vrfid, |
1d30d1f4 | 71 | rnh_type_t type, bool *exists); |
b72ede27 | 72 | extern struct rnh *zebra_lookup_rnh(struct prefix *p, vrf_id_t vrfid, |
078430f6 | 73 | rnh_type_t type); |
d62a17ae | 74 | extern void zebra_free_rnh(struct rnh *rnh); |
078430f6 | 75 | extern void zebra_delete_rnh(struct rnh *rnh, rnh_type_t type); |
d62a17ae | 76 | extern void zebra_add_rnh_client(struct rnh *rnh, struct zserv *client, |
77 | rnh_type_t type, vrf_id_t vrfid); | |
731a75fe RW |
78 | extern void zebra_register_rnh_pseudowire(vrf_id_t, struct zebra_pw *); |
79 | extern void zebra_deregister_rnh_pseudowire(vrf_id_t, struct zebra_pw *); | |
078430f6 DS |
80 | extern void zebra_remove_rnh_client(struct rnh *rnh, struct zserv *client, |
81 | rnh_type_t type); | |
6d53d7b1 | 82 | extern void zebra_evaluate_rnh(struct zebra_vrf *zvrf, int family, int force, |
d62a17ae | 83 | rnh_type_t type, struct prefix *p); |
84 | extern void zebra_print_rnh_table(vrf_id_t vrfid, int family, struct vty *vty, | |
85 | rnh_type_t); | |
fb018d25 | 86 | extern char *rnh_str(struct rnh *rnh, char *buf, int size); |
fb018d25 | 87 | #endif /*_ZEBRA_RNH_H */ |