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git.proxmox.com Git - mirror_frr.git/blob - pimd/pim_nht.h
3 * Copyright (C) 2017 Cumulus Networks, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
32 /* PIM nexthop cache value structure. */
33 struct pim_nexthop_cache
{
35 /* IGP route's metric. */
38 /* Nexthop number and nexthop linked list. */
40 struct nexthop
*nexthop
;
43 #define PIM_NEXTHOP_VALID (1 << 0)
44 #define PIM_NEXTHOP_ANSWER_RECEIVED (1 << 1)
47 struct hash
*upstream_hash
;
48 /* Ideally this has to be list of scope zone. But for now we can just
49 * have as a bool variable to say bsr_tracking.
50 * Later this variable can be changed as a list of scope zones for
51 * tracking same bsr for multiple scope zones.
56 int pim_parse_nexthop_update(ZAPI_CALLBACK_ARGS
);
57 int pim_find_or_track_nexthop(struct pim_instance
*pim
, struct prefix
*addr
,
58 struct pim_upstream
*up
, struct rp_info
*rp
,
59 bool bsr_track_needed
,
60 struct pim_nexthop_cache
*out_pnc
);
61 void pim_delete_tracked_nexthop(struct pim_instance
*pim
, struct prefix
*addr
,
62 struct pim_upstream
*up
, struct rp_info
*rp
,
63 bool del_bsr_tracking
);
64 struct pim_nexthop_cache
*pim_nexthop_cache_find(struct pim_instance
*pim
,
66 uint32_t pim_compute_ecmp_hash(struct prefix
*src
, struct prefix
*grp
);
67 int pim_ecmp_nexthop_lookup(struct pim_instance
*pim
,
68 struct pim_nexthop
*nexthop
, struct prefix
*src
,
69 struct prefix
*grp
, int neighbor_needed
);
70 void pim_sendmsg_zebra_rnh(struct pim_instance
*pim
, struct zclient
*zclient
,
71 struct pim_nexthop_cache
*pnc
, int command
);
72 int pim_ecmp_fib_lookup_if_vif_index(struct pim_instance
*pim
,
73 struct prefix
*src
, struct prefix
*grp
);
74 void pim_rp_nexthop_del(struct rp_info
*rp_info
);
75 bool pim_nexthop_match(struct pim_instance
*pim
, struct in_addr addr
,
76 struct in_addr ip_src
);
77 bool pim_nexthop_match_nht_cache(struct pim_instance
*pim
, struct in_addr addr
,
78 struct in_addr ip_src
);