X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=pimd%2Fpim_rpf.h;h=b9fe162f21c66714fca28cea618ff40d195c4ba4;hb=2569910bb6e5c00ececc60ed15b182e14a88cb9d;hp=4d55bd688136acb1352a28b6a499e8b4085e59cc;hpb=b84aadae447e1d5e534d2d46e3922f47c316d107;p=mirror_frr.git diff --git a/pimd/pim_rpf.h b/pimd/pim_rpf.h index 4d55bd688..b9fe162f2 100644 --- a/pimd/pim_rpf.h +++ b/pimd/pim_rpf.h @@ -1,22 +1,21 @@ /* - PIM for Quagga - Copyright (C) 2008 Everton da Silva Marques - - 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 -*/ + * PIM for Quagga + * Copyright (C) 2008 Everton da Silva Marques + * + * 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_RPF_H #define PIM_RPF_H @@ -26,10 +25,49 @@ #include "pim_upstream.h" #include "pim_neighbor.h" -int pim_nexthop_lookup(struct pim_nexthop *nexthop, - struct in_addr addr, struct interface *incoming); -enum pim_rpf_result pim_rpf_update(struct pim_upstream *up, - struct in_addr *old_rpf_addr, - struct interface *incoming); +/* + 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 { + struct in_addr last_lookup; + long long last_lookup_time; + struct interface *interface; /* RPF_interface(S) */ + struct prefix 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; + struct prefix 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(void *arg); +bool pim_rpf_equal(const void *arg1, const void *arg2); + +int pim_nexthop_lookup(struct pim_instance *pim, struct pim_nexthop *nexthop, + struct in_addr addr, int neighbor_needed); +enum pim_rpf_result pim_rpf_update(struct pim_instance *pim, + struct pim_upstream *up, struct pim_rpf *old, + uint8_t is_new); + +int pim_rpf_addr_is_inaddr_none(struct pim_rpf *rpf); +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 */