projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 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; | |
| 996c9314 LB |
42 | struct list |
| 43 | *zebra_static_route_list; /* static routes dependent on this NH | |
| 44 | */ | |
| 731a75fe RW |
45 | struct list |
| 46 | *zebra_pseudowire_list; /* pseudowires dependent on this NH */ | |
| d62a17ae | 47 | struct route_node *node; |
| 48 | int filtered[ZEBRA_ROUTE_MAX]; /* if this has been filtered for client | |
| 9d303b37 | 49 | */ |
| fb018d25 DS |
50 | }; |
| 51 | ||
| d62a17ae | 52 | typedef enum { RNH_NEXTHOP_TYPE, RNH_IMPORT_CHECK_TYPE } rnh_type_t; |
| 078430f6 | 53 | |
| a50b580a DS |
54 | extern int zebra_rnh_ip_default_route; |
| 55 | extern int zebra_rnh_ipv6_default_route; | |
| 56 | ||
| 453844ab QY |
57 | extern void zebra_rnh_init(void); |
| 58 | ||
| 44bdf159 DS |
59 | static inline int rnh_resolve_via_default(int family) |
| 60 | { | |
| 61 | if (((family == AF_INET) && zebra_rnh_ip_default_route) | |
| 62 | || ((family == AF_INET6) && zebra_rnh_ipv6_default_route)) | |
| 63 | return 1; | |
| 64 | else | |
| 65 | return 0; | |
| 66 | } | |
| 67 | ||
| b72ede27 | 68 | extern struct rnh *zebra_add_rnh(struct prefix *p, vrf_id_t vrfid, |
| 078430f6 | 69 | rnh_type_t type); |
| b72ede27 | 70 | extern struct rnh *zebra_lookup_rnh(struct prefix *p, vrf_id_t vrfid, |
| 078430f6 | 71 | rnh_type_t type); |
| d62a17ae | 72 | extern void zebra_free_rnh(struct rnh *rnh); |
| 078430f6 | 73 | extern void zebra_delete_rnh(struct rnh *rnh, rnh_type_t type); |
| d62a17ae | 74 | extern void zebra_add_rnh_client(struct rnh *rnh, struct zserv *client, |
| 75 | rnh_type_t type, vrf_id_t vrfid); | |
| 76 | extern void zebra_register_rnh_static_nh(vrf_id_t, struct prefix *, | |
| 77 | struct route_node *); | |
| 78 | extern void zebra_deregister_rnh_static_nexthops(vrf_id_t, | |
| 79 | struct nexthop *nexthop, | |
| 80 | struct route_node *rn); | |
| 81 | extern void zebra_deregister_rnh_static_nh(vrf_id_t, struct prefix *, | |
| 82 | struct route_node *); | |
| 731a75fe RW |
83 | extern void zebra_register_rnh_pseudowire(vrf_id_t, struct zebra_pw *); |
| 84 | extern void zebra_deregister_rnh_pseudowire(vrf_id_t, struct zebra_pw *); | |
| 078430f6 DS |
85 | extern void zebra_remove_rnh_client(struct rnh *rnh, struct zserv *client, |
| 86 | rnh_type_t type); | |
| d62a17ae | 87 | extern void zebra_evaluate_rnh(vrf_id_t vrfid, int family, int force, |
| 88 | rnh_type_t type, struct prefix *p); | |
| 89 | extern void zebra_print_rnh_table(vrf_id_t vrfid, int family, struct vty *vty, | |
| 90 | rnh_type_t); | |
| fb018d25 | 91 | extern char *rnh_str(struct rnh *rnh, char *buf, int size); |
| fb018d25 | 92 | #endif /*_ZEBRA_RNH_H */ |