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eb5d44eb | 1 | /* |
2 | * IS-IS Rout(e)ing protocol - isisd.h | |
3 | * | |
4 | * Copyright (C) 2001,2002 Sampo Saaristo | |
5 | * Tampere University of Technology | |
6 | * Institute of Communications Engineering | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public Licenseas published by the Free | |
10 | * Software Foundation; either version 2 of the License, or (at your option) | |
11 | * any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful,but WITHOUT | |
14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
16 | * more details. | |
17 | ||
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
20 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #ifndef ISISD_H | |
24 | #define ISISD_H | |
25 | ||
26 | #define ISISD_VERSION "0.0.7" | |
eb5d44eb | 27 | |
28 | /* uncomment if you are a developer in bug hunt */ | |
29 | /* #define EXTREME_DEBUG */ | |
30 | /* #define EXTREME_TLV_DEBUG */ | |
31 | ||
f390d2c7 | 32 | struct rmap |
33 | { | |
eb5d44eb | 34 | char *name; |
35 | struct route_map *map; | |
36 | }; | |
37 | ||
38 | struct isis | |
39 | { | |
40 | u_long process_id; | |
41 | int sysid_set; | |
f390d2c7 | 42 | u_char sysid[ISIS_SYS_ID_LEN]; /* SystemID for this IS */ |
43 | struct list *area_list; /* list of IS-IS areas */ | |
eb5d44eb | 44 | struct list *init_circ_list; |
f390d2c7 | 45 | struct list *nexthops; /* IPv4 next hops from this IS */ |
eb5d44eb | 46 | #ifdef HAVE_IPV6 |
f390d2c7 | 47 | struct list *nexthops6; /* IPv6 next hops from this IS */ |
48 | #endif /* HAVE_IPV6 */ | |
49 | u_char max_area_addrs; /* maximumAreaAdresses */ | |
50 | struct area_addr *man_area_addrs; /* manualAreaAddresses */ | |
51 | u_int32_t debugs; /* bitmap for debug */ | |
52 | time_t uptime; /* when did we start */ | |
53 | ||
eb5d44eb | 54 | /* Redistributed external information. */ |
55 | struct route_table *external_info[ZEBRA_ROUTE_MAX + 1]; | |
56 | /* Redistribute metric info. */ | |
f390d2c7 | 57 | struct |
58 | { | |
59 | int type; /* Internal or External */ | |
60 | int value; /* metric value */ | |
61 | } dmetric[ZEBRA_ROUTE_MAX + 1]; | |
eb5d44eb | 62 | |
f390d2c7 | 63 | struct |
64 | { | |
eb5d44eb | 65 | char *name; |
66 | struct route_map *map; | |
f390d2c7 | 67 | } rmap[ZEBRA_ROUTE_MAX + 1]; |
eb5d44eb | 68 | #ifdef HAVE_IPV6 |
f390d2c7 | 69 | struct |
70 | { | |
71 | struct | |
72 | { | |
eb5d44eb | 73 | char *name; |
74 | struct route_map *map; | |
f390d2c7 | 75 | } rmap[ZEBRA_ROUTE_MAX + 1]; |
eb5d44eb | 76 | } inet6_afmode; |
77 | #endif | |
78 | }; | |
79 | ||
f390d2c7 | 80 | struct isis_area |
eb5d44eb | 81 | { |
f390d2c7 | 82 | struct isis *isis; /* back pointer */ |
83 | dict_t *lspdb[ISIS_LEVELS]; /* link-state dbs */ | |
84 | struct isis_spftree *spftree[ISIS_LEVELS]; /* The v4 SPTs */ | |
85 | struct route_table *route_table; /* IPv4 routes */ | |
eb5d44eb | 86 | #ifdef HAVE_IPV6 |
f390d2c7 | 87 | struct isis_spftree *spftree6[ISIS_LEVELS]; /* The v4 SPTs */ |
88 | struct route_table *route_table6; /* IPv6 routes */ | |
eb5d44eb | 89 | #endif |
f90a5f6f | 90 | unsigned int min_bcast_mtu; |
f390d2c7 | 91 | struct list *circuit_list; /* IS-IS circuits */ |
92 | struct flags flags; | |
93 | struct thread *t_tick; /* LSP walker */ | |
94 | struct thread *t_remove_aged; | |
eb5d44eb | 95 | int lsp_regenerate_pending[ISIS_LEVELS]; |
96 | struct thread *t_lsp_refresh[ISIS_LEVELS]; | |
f390d2c7 | 97 | |
eb5d44eb | 98 | /* |
99 | * Configurables | |
100 | */ | |
101 | struct isis_passwd area_passwd; | |
102 | struct isis_passwd domain_passwd; | |
103 | /* do we support dynamic hostnames? */ | |
104 | char dynhostname; | |
105 | /* do we support new style metrics? */ | |
f390d2c7 | 106 | char newmetric; |
2984d26e | 107 | char oldmetric; |
eb5d44eb | 108 | /* identifies the routing instance */ |
f390d2c7 | 109 | char *area_tag; |
eb5d44eb | 110 | /* area addresses for this area */ |
f390d2c7 | 111 | struct list *area_addrs; |
112 | u_int16_t max_lsp_lifetime[ISIS_LEVELS]; | |
113 | char is_type; /* level-1 level-1-2 or level-2-only */ | |
eb5d44eb | 114 | u_int16_t lsp_refresh[ISIS_LEVELS]; |
115 | /* minimum time allowed before lsp retransmission */ | |
116 | u_int16_t lsp_gen_interval[ISIS_LEVELS]; | |
117 | /* min interval between between consequtive SPFs */ | |
f390d2c7 | 118 | u_int16_t min_spf_interval[ISIS_LEVELS]; |
eb5d44eb | 119 | /* the percentage of LSP mtu size used, before generating a new frag */ |
f390d2c7 | 120 | int lsp_frag_threshold; |
eb5d44eb | 121 | int ip_circuits; |
122 | #ifdef HAVE_IPV6 | |
123 | int ipv6_circuits; | |
f390d2c7 | 124 | #endif /* HAVE_IPV6 */ |
eb5d44eb | 125 | /* Counters */ |
126 | u_int32_t circuit_state_changes; | |
f1082d19 | 127 | |
eb5d44eb | 128 | #ifdef TOPOLOGY_GENERATE |
f390d2c7 | 129 | struct list *topology; |
f1082d19 | 130 | char topology_baseis[ISIS_SYS_ID_LEN]; /* IS for the first IS emulated. */ |
131 | char *topology_basedynh; /* Dynamic hostname base. */ | |
132 | char top_params[200]; /* FIXME: what is reasonable? */ | |
133 | #endif /* TOPOLOGY_GENERATE */ | |
eb5d44eb | 134 | }; |
135 | ||
f390d2c7 | 136 | void isis_init (void); |
f90a5f6f | 137 | struct isis_area *isis_area_lookup (const char *); |
eb5d44eb | 138 | |
139 | #define DEBUG_ADJ_PACKETS (1<<0) | |
140 | #define DEBUG_CHECKSUM_ERRORS (1<<1) | |
141 | #define DEBUG_LOCAL_UPDATES (1<<2) | |
142 | #define DEBUG_PROTOCOL_ERRORS (1<<3) | |
143 | #define DEBUG_SNP_PACKETS (1<<4) | |
144 | #define DEBUG_UPDATE_PACKETS (1<<5) | |
145 | #define DEBUG_SPF_EVENTS (1<<6) | |
146 | #define DEBUG_SPF_STATS (1<<7) | |
147 | #define DEBUG_SPF_TRIGGERS (1<<8) | |
148 | #define DEBUG_RTE_EVENTS (1<<9) | |
149 | #define DEBUG_EVENTS (1<<10) | |
c89c05dd | 150 | #define DEBUG_ZEBRA (1<<11) |
eb5d44eb | 151 | |
152 | #endif /* ISISD_H */ |