blob: 7dae53f8fc810b8773e5ceb553f2932ab79af472 (
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
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PIM for Quagga
* Copyright (C) 2008 Everton da Silva Marques
*/
#ifndef PIM_RPF_H
#define PIM_RPF_H
#include <zebra.h>
#include "pim_str.h"
struct pim_instance;
/*
RFC 4601:
Metric Preference
Preference value assigned to the unicast routing protocol that
provided the route to the multicast source or Rendezvous-Point.
Metric
The unicast routing table metric associated with the route used to
reach the multicast source or Rendezvous-Point. The metric is in
units applicable to the unicast routing protocol used.
*/
struct pim_nexthop {
pim_addr last_lookup;
long long last_lookup_time;
struct interface *interface; /* RPF_interface(S) */
pim_addr mrib_nexthop_addr; /* MRIB.next_hop(S) */
uint32_t mrib_metric_preference; /* MRIB.pref(S) */
uint32_t mrib_route_metric; /* MRIB.metric(S) */
struct pim_neighbor *nbr;
};
struct pim_rpf {
struct pim_nexthop source_nexthop;
pim_addr rpf_addr; /* RPF'(S,G) */
};
enum pim_rpf_result { PIM_RPF_OK = 0, PIM_RPF_CHANGED, PIM_RPF_FAILURE };
struct pim_upstream;
unsigned int pim_rpf_hash_key(const void *arg);
bool pim_rpf_equal(const void *arg1, const void *arg2);
bool pim_nexthop_lookup(struct pim_instance *pim, struct pim_nexthop *nexthop,
pim_addr addr, int neighbor_needed);
enum pim_rpf_result pim_rpf_update(struct pim_instance *pim,
struct pim_upstream *up,
struct pim_rpf *old, const char *caller);
void pim_upstream_rpf_clear(struct pim_instance *pim,
struct pim_upstream *up);
int pim_rpf_addr_is_inaddr_any(struct pim_rpf *rpf);
int pim_rpf_is_same(struct pim_rpf *rpf1, struct pim_rpf *rpf2);
void pim_rpf_set_refresh_time(struct pim_instance *pim);
#endif /* PIM_RPF_H */
|
