summaryrefslogtreecommitdiffstats
path: root/pimd/pim_nht.h
blob: 5348ec3704a6a875f39fff1e06fca05017c3fdfb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
/*
 * PIM for Quagga
 * Copyright (C) 2017 Cumulus Networks, Inc.
 * Chirag Shah
 *
 * This program 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 of the License, or
 * (at your option) any later version.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
 * MA 02110-1301 USA
 */
#ifndef PIM_NHT_H
#define PIM_NHT_H

#include "prefix.h"
#include <zebra.h>
#include "zclient.h"
#include "vrf.h"

#include "pimd.h"
#include "pim_rp.h"
#include "pim_rpf.h"

/* PIM nexthop cache value structure. */
struct pim_nexthop_cache
{
  struct pim_rpf rpf;
  /* IGP route's metric. */
  u_int32_t metric;
  uint32_t  distance;
  /* Nexthop number and nexthop linked list. */
  u_char nexthop_num;
  struct nexthop *nexthop;
  int64_t last_update;
  u_int16_t flags;
#define PIM_NEXTHOP_VALID             (1 << 0)

  struct list *rp_list;
  struct list *upstream_list;
};

int pim_parse_nexthop_update (int command, struct zclient *zclient,
                              zebra_size_t length, vrf_id_t vrf_id);
int pim_find_or_track_nexthop (struct prefix *addr, struct pim_upstream *up,
                               struct rp_info *rp);
void pim_delete_tracked_nexthop (struct prefix *addr, struct pim_upstream *up,
                                 struct rp_info *rp);
struct pim_nexthop_cache *pim_nexthop_cache_add (struct pim_rpf *rpf_addr);
struct pim_nexthop_cache *pim_nexthop_cache_find (struct pim_rpf *rpf);

#endif