1 /* BGP Nexthop tracking
2 * Copyright (C) 2013 Cumulus Networks, Inc.
4 * This file is part of GNU Zebra.
6 * GNU Zebra is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2, or (at your option) any
11 * GNU Zebra 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
17 * along with GNU Zebra; see the file COPYING. If not, write to the Free
18 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
26 * bgp_parse_nexthop_update() - parse a nexthop update message from Zebra.
28 void bgp_parse_nexthop_update (void);
31 * bgp_nexthop_check() - check if the bnc object is valid.
33 * p - path for which the nexthop object is being looked up
34 * connected - True if NH MUST be a connected route
36 int bgp_nexthop_check (struct bgp_info *, int connected);
39 * bgp_ensure_nexthop() - Ensure a bgp_nexthop_cache object exists for
40 * the given prefix or peer. If an existing one is not found,
41 * create a new object and register with ZEBRA for nexthop
44 * afi: AFI_IP or AF_IP6
45 * struct bgp_info *: path for which the nexthop object is
48 * struct peer The BGP peer associated with this NHT
49 * connected - True if NH MUST be a connected route
51 int bgp_ensure_nexthop (struct bgp_info *, struct peer *, int connected);
54 * bgp_unlink_nexthop() - Unlink the nexthop object from the path structure.
56 * struct bgp_info *: path structure.
58 void bgp_unlink_nexthop (struct bgp_info *);
61 * bgp_unlink_nexthop() - Unlink the nexthop object for the given peer.
63 extern void bgp_unlink_nexthop(struct bgp_info *p);
64 void bgp_unlink_nexthop_by_peer (struct peer *);
66 #endif /* _BGP_NHT_H */