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eb5d44eb | 1 | /* |
2 | * IS-IS Rout(e)ing protocol - isis_route.h | |
3 | * | |
4 | * Copyright (C) 2001,2002 Sampo Saaristo | |
d62a17ae | 5 | * Tampere University of Technology |
eb5d44eb | 6 | * Institute of Communications Engineering |
7 | * | |
8 | * based on ../ospf6d/ospf6_route.[ch] | |
9 | * by Yasuhiro Ohara | |
10 | * | |
d62a17ae | 11 | * This program is free software; you can redistribute it and/or modify it |
12 | * under the terms of the GNU General Public Licenseas published by the Free | |
13 | * Software Foundation; either version 2 of the License, or (at your option) | |
eb5d44eb | 14 | * any later version. |
15 | * | |
d62a17ae | 16 | * This program is distributed in the hope that it will be useful,but WITHOUT |
17 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
eb5d44eb | 19 | * more details. |
896014f4 DL |
20 | * |
21 | * You should have received a copy of the GNU General Public License along | |
22 | * with this program; see the file COPYING; if not, write to the Free Software | |
23 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
eb5d44eb | 24 | */ |
25 | #ifndef _ZEBRA_ISIS_ROUTE_H | |
26 | #define _ZEBRA_ISIS_ROUTE_H | |
27 | ||
363be4dd | 28 | #include "lib/nexthop.h" |
eb5d44eb | 29 | |
d62a17ae | 30 | struct isis_nexthop { |
31 | ifindex_t ifindex; | |
363be4dd RW |
32 | int family; |
33 | union g_addr ip; | |
d62a17ae | 34 | unsigned int lock; |
eb5d44eb | 35 | }; |
36 | ||
d62a17ae | 37 | struct isis_route_info { |
3f045a08 JB |
38 | #define ISIS_ROUTE_FLAG_ACTIVE 0x01 /* active route for the prefix */ |
39 | #define ISIS_ROUTE_FLAG_ZEBRA_SYNCED 0x02 /* set when route synced to zebra */ | |
40 | #define ISIS_ROUTE_FLAG_ZEBRA_RESYNC 0x04 /* set when route needs to sync */ | |
d7c0a89a QY |
41 | uint8_t flag; |
42 | uint32_t cost; | |
43 | uint32_t depth; | |
d62a17ae | 44 | struct list *nexthops; |
eb5d44eb | 45 | }; |
46 | ||
6cf38339 RW |
47 | DECLARE_HOOK(isis_route_update_hook, |
48 | (struct isis_area * area, struct prefix *prefix, | |
49 | struct isis_route_info *route_info), | |
50 | (area, prefix, route_info)) | |
51 | ||
321c1bbb CF |
52 | struct isis_route_info *isis_route_create(struct prefix *prefix, |
53 | struct prefix_ipv6 *src_p, | |
54 | uint32_t cost, | |
d7c0a89a | 55 | uint32_t depth, |
d62a17ae | 56 | struct list *adjacencies, |
3dace42d CF |
57 | struct isis_area *area, |
58 | struct route_table *table); | |
eb5d44eb | 59 | |
3dace42d CF |
60 | /* Walk the given table and install new routes to zebra and remove old ones. |
61 | * route status is tracked using ISIS_ROUTE_FLAG_ACTIVE */ | |
62 | void isis_route_verify_table(struct isis_area *area, | |
63 | struct route_table *table); | |
64 | ||
65 | /* Same as isis_route_verify_table, but merge L1 and L2 routes before */ | |
66 | void isis_route_verify_merge(struct isis_area *area, | |
67 | struct route_table *level1_table, | |
68 | struct route_table *level2_table); | |
69 | ||
70 | /* Unset ISIS_ROUTE_FLAG_ACTIVE on all routes. Used before running spf. */ | |
d62a17ae | 71 | void isis_route_invalidate_table(struct isis_area *area, |
72 | struct route_table *table); | |
eb5d44eb | 73 | |
74 | #endif /* _ZEBRA_ISIS_ROUTE_H */ |