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acddc0ed3c
Done with a combination of regex'ing and banging my head against a wall. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* PIM for Quagga
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* Copyright (C) 2008 Everton da Silva Marques
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*/
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#ifndef PIM_RPF_H
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#define PIM_RPF_H
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#include <zebra.h>
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#include "pim_str.h"
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struct pim_instance;
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/*
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RFC 4601:
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Metric Preference
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Preference value assigned to the unicast routing protocol that
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provided the route to the multicast source or Rendezvous-Point.
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Metric
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The unicast routing table metric associated with the route used to
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reach the multicast source or Rendezvous-Point. The metric is in
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units applicable to the unicast routing protocol used.
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*/
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struct pim_nexthop {
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pim_addr last_lookup;
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long long last_lookup_time;
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struct interface *interface; /* RPF_interface(S) */
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pim_addr mrib_nexthop_addr; /* MRIB.next_hop(S) */
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uint32_t mrib_metric_preference; /* MRIB.pref(S) */
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uint32_t mrib_route_metric; /* MRIB.metric(S) */
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struct pim_neighbor *nbr;
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};
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struct pim_rpf {
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struct pim_nexthop source_nexthop;
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pim_addr rpf_addr; /* RPF'(S,G) */
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};
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enum pim_rpf_result { PIM_RPF_OK = 0, PIM_RPF_CHANGED, PIM_RPF_FAILURE };
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struct pim_upstream;
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unsigned int pim_rpf_hash_key(const void *arg);
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bool pim_rpf_equal(const void *arg1, const void *arg2);
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bool pim_nexthop_lookup(struct pim_instance *pim, struct pim_nexthop *nexthop,
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pim_addr addr, int neighbor_needed);
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enum pim_rpf_result pim_rpf_update(struct pim_instance *pim,
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struct pim_upstream *up,
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struct pim_rpf *old, const char *caller);
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void pim_upstream_rpf_clear(struct pim_instance *pim,
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struct pim_upstream *up);
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int pim_rpf_addr_is_inaddr_any(struct pim_rpf *rpf);
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int pim_rpf_is_same(struct pim_rpf *rpf1, struct pim_rpf *rpf2);
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void pim_rpf_set_refresh_time(struct pim_instance *pim);
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#endif /* PIM_RPF_H */
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