projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 */ |