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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 | ||
91283e76 DS |
26 | #include "vty.h" |
27 | ||
eb5d44eb | 28 | #define ISISD_VERSION "0.0.7" |
eb5d44eb | 29 | |
65f9a9a8 DL |
30 | #include "isisd/isis_constants.h" |
31 | #include "isisd/isis_common.h" | |
f3ccedaa | 32 | #include "isisd/isis_redist.h" |
65f9a9a8 DL |
33 | #include "isis_flags.h" |
34 | #include "dict.h" | |
4a1ab8e4 | 35 | #include "isis_memory.h" |
676a4ea3 | 36 | #include "qobj.h" |
f3ccedaa | 37 | |
eb5d44eb | 38 | /* uncomment if you are a developer in bug hunt */ |
39 | /* #define EXTREME_DEBUG */ | |
40 | /* #define EXTREME_TLV_DEBUG */ | |
41 | ||
eb5d44eb | 42 | struct isis |
43 | { | |
44 | u_long process_id; | |
45 | int sysid_set; | |
f390d2c7 | 46 | u_char sysid[ISIS_SYS_ID_LEN]; /* SystemID for this IS */ |
3f045a08 | 47 | u_int32_t router_id; /* Router ID from zebra */ |
f390d2c7 | 48 | struct list *area_list; /* list of IS-IS areas */ |
eb5d44eb | 49 | struct list *init_circ_list; |
f390d2c7 | 50 | struct list *nexthops; /* IPv4 next hops from this IS */ |
f390d2c7 | 51 | struct list *nexthops6; /* IPv6 next hops from this IS */ |
f390d2c7 | 52 | u_char max_area_addrs; /* maximumAreaAdresses */ |
53 | struct area_addr *man_area_addrs; /* manualAreaAddresses */ | |
54 | u_int32_t debugs; /* bitmap for debug */ | |
55 | time_t uptime; /* when did we start */ | |
d3d7474b | 56 | struct thread *t_dync_clean; /* dynamic hostname cache cleanup thread */ |
f390d2c7 | 57 | |
f3ccedaa | 58 | struct route_table *ext_info[REDIST_PROTOCOL_COUNT]; |
676a4ea3 DL |
59 | |
60 | QOBJ_FIELDS | |
eb5d44eb | 61 | }; |
62 | ||
3f045a08 | 63 | extern struct isis *isis; |
676a4ea3 | 64 | DECLARE_QOBJ_TYPE(isis_area) |
3f045a08 | 65 | |
f390d2c7 | 66 | struct isis_area |
eb5d44eb | 67 | { |
fac1f7cc | 68 | struct isis *isis; /* back pointer */ |
69 | dict_t *lspdb[ISIS_LEVELS]; /* link-state dbs */ | |
70 | struct isis_spftree *spftree[ISIS_LEVELS]; /* The v4 SPTs */ | |
71 | struct route_table *route_table[ISIS_LEVELS]; /* IPv4 routes */ | |
fac1f7cc | 72 | struct isis_spftree *spftree6[ISIS_LEVELS]; /* The v6 SPTs */ |
73 | struct route_table *route_table6[ISIS_LEVELS]; /* IPv6 routes */ | |
b20ccb3a CF |
74 | #define DEFAULT_LSP_MTU 1497 |
75 | unsigned int lsp_mtu; /* Size of LSPs to generate */ | |
f390d2c7 | 76 | struct list *circuit_list; /* IS-IS circuits */ |
77 | struct flags flags; | |
78 | struct thread *t_tick; /* LSP walker */ | |
eb5d44eb | 79 | struct thread *t_lsp_refresh[ISIS_LEVELS]; |
414766a1 CF |
80 | /* t_lsp_refresh is used in two ways: |
81 | * a) regular refresh of LSPs | |
82 | * b) (possibly throttled) updates to LSPs | |
83 | * | |
84 | * The lsp_regenerate_pending flag tracks whether the timer is active | |
85 | * for the a) or the b) case. | |
86 | * | |
87 | * It is of utmost importance to clear this flag when the timer is | |
88 | * rescheduled for normal refresh, because otherwise, updates will | |
89 | * be delayed until the next regular refresh. | |
90 | */ | |
3f045a08 | 91 | int lsp_regenerate_pending[ISIS_LEVELS]; |
f390d2c7 | 92 | |
eb5d44eb | 93 | /* |
94 | * Configurables | |
95 | */ | |
96 | struct isis_passwd area_passwd; | |
97 | struct isis_passwd domain_passwd; | |
98 | /* do we support dynamic hostnames? */ | |
99 | char dynhostname; | |
100 | /* do we support new style metrics? */ | |
f390d2c7 | 101 | char newmetric; |
2984d26e | 102 | char oldmetric; |
eb5d44eb | 103 | /* identifies the routing instance */ |
f390d2c7 | 104 | char *area_tag; |
eb5d44eb | 105 | /* area addresses for this area */ |
f390d2c7 | 106 | struct list *area_addrs; |
107 | u_int16_t max_lsp_lifetime[ISIS_LEVELS]; | |
108 | char is_type; /* level-1 level-1-2 or level-2-only */ | |
3f045a08 JB |
109 | /* are we overloaded? */ |
110 | char overload_bit; | |
7ed55a41 AN |
111 | /* L1/L2 router identifier for inter-area traffic */ |
112 | char attached_bit; | |
eb5d44eb | 113 | u_int16_t lsp_refresh[ISIS_LEVELS]; |
114 | /* minimum time allowed before lsp retransmission */ | |
115 | u_int16_t lsp_gen_interval[ISIS_LEVELS]; | |
116 | /* min interval between between consequtive SPFs */ | |
f390d2c7 | 117 | u_int16_t min_spf_interval[ISIS_LEVELS]; |
eb5d44eb | 118 | /* the percentage of LSP mtu size used, before generating a new frag */ |
f390d2c7 | 119 | int lsp_frag_threshold; |
eb5d44eb | 120 | int ip_circuits; |
3f045a08 JB |
121 | /* logging adjacency changes? */ |
122 | u_char log_adj_changes; | |
064f4896 CF |
123 | /* multi topology settings */ |
124 | struct list *mt_settings; | |
eb5d44eb | 125 | int ipv6_circuits; |
eb5d44eb | 126 | /* Counters */ |
127 | u_int32_t circuit_state_changes; | |
f3ccedaa CF |
128 | struct isis_redist redist_settings[REDIST_PROTOCOL_COUNT] |
129 | [ZEBRA_ROUTE_MAX + 1][ISIS_LEVELS]; | |
130 | struct route_table *ext_reach[REDIST_PROTOCOL_COUNT][ISIS_LEVELS]; | |
f1082d19 | 131 | |
03f7e182 | 132 | struct spf_backoff *spf_delay_ietf[ISIS_LEVELS]; /*Structure with IETF SPF algo parameters*/ |
5475ecf7 SL |
133 | struct thread *spf_timer[ISIS_LEVELS]; |
134 | ||
676a4ea3 | 135 | QOBJ_FIELDS |
eb5d44eb | 136 | }; |
676a4ea3 | 137 | DECLARE_QOBJ_TYPE(isis_area) |
eb5d44eb | 138 | |
f390d2c7 | 139 | void isis_init (void); |
3f045a08 JB |
140 | void isis_new(unsigned long); |
141 | struct isis_area *isis_area_create(const char *); | |
f90a5f6f | 142 | struct isis_area *isis_area_lookup (const char *); |
3f045a08 JB |
143 | int isis_area_get (struct vty *vty, const char *area_tag); |
144 | void print_debug(struct vty *, int, int); | |
145 | ||
a38a72db CF |
146 | void isis_area_overload_bit_set(struct isis_area *area, bool overload_bit); |
147 | void isis_area_attached_bit_set(struct isis_area *area, bool attached_bit); | |
148 | void isis_area_dynhostname_set(struct isis_area *area, bool dynhostname); | |
149 | void isis_area_metricstyle_set(struct isis_area *area, bool old_metric, | |
150 | bool new_metric); | |
6754fc66 CF |
151 | void isis_area_lsp_mtu_set(struct isis_area *area, unsigned int lsp_mtu); |
152 | void isis_area_is_type_set(struct isis_area *area, int is_type); | |
466ed406 CF |
153 | void isis_area_max_lsp_lifetime_set(struct isis_area *area, int level, |
154 | uint16_t max_lsp_lifetime); | |
155 | void isis_area_lsp_refresh_set(struct isis_area *area, int level, | |
156 | uint16_t lsp_refresh); | |
9093b230 CF |
157 | /* IS_LEVEL_1 sets area_passwd, IS_LEVEL_2 domain_passwd */ |
158 | int isis_area_passwd_unset (struct isis_area *area, int level); | |
159 | int isis_area_passwd_cleartext_set (struct isis_area *area, int level, | |
160 | const char *passwd, u_char snp_auth); | |
161 | int isis_area_passwd_hmac_md5_set (struct isis_area *area, int level, | |
162 | const char *passwd, u_char snp_auth); | |
65f9a9a8 DL |
163 | void isis_vty_init (void); |
164 | ||
3f045a08 JB |
165 | /* Master of threads. */ |
166 | extern struct thread_master *master; | |
eb5d44eb | 167 | |
168 | #define DEBUG_ADJ_PACKETS (1<<0) | |
169 | #define DEBUG_CHECKSUM_ERRORS (1<<1) | |
170 | #define DEBUG_LOCAL_UPDATES (1<<2) | |
171 | #define DEBUG_PROTOCOL_ERRORS (1<<3) | |
172 | #define DEBUG_SNP_PACKETS (1<<4) | |
173 | #define DEBUG_UPDATE_PACKETS (1<<5) | |
174 | #define DEBUG_SPF_EVENTS (1<<6) | |
175 | #define DEBUG_SPF_STATS (1<<7) | |
176 | #define DEBUG_SPF_TRIGGERS (1<<8) | |
177 | #define DEBUG_RTE_EVENTS (1<<9) | |
178 | #define DEBUG_EVENTS (1<<10) | |
c89c05dd | 179 | #define DEBUG_ZEBRA (1<<11) |
3f045a08 | 180 | #define DEBUG_PACKET_DUMP (1<<12) |
14872644 | 181 | #define DEBUG_LSP_GEN (1<<13) |
414766a1 | 182 | #define DEBUG_LSP_SCHED (1<<14) |
14872644 CF |
183 | |
184 | #define lsp_debug(...) \ | |
185 | do \ | |
186 | { \ | |
187 | if (isis->debugs & DEBUG_LSP_GEN) \ | |
188 | zlog_debug(__VA_ARGS__); \ | |
189 | } \ | |
190 | while (0) | |
eb5d44eb | 191 | |
414766a1 CF |
192 | #define sched_debug(...) \ |
193 | do \ | |
194 | { \ | |
195 | if (isis->debugs & DEBUG_LSP_SCHED) \ | |
196 | zlog_debug(__VA_ARGS__); \ | |
197 | } \ | |
198 | while (0) | |
199 | ||
f8c06e2c OD |
200 | #define DEBUG_TE (1<<13) |
201 | ||
202 | #define IS_DEBUG_ISIS(x) (isis->debugs & x) | |
203 | ||
eb5d44eb | 204 | #endif /* ISISD_H */ |