source: src/router/quagga/ospf6d/ospf6_intra.h @ 18797

Last change on this file since 18797 was 18797, checked in by BrainSlayer, 14 months ago

update quagga
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1/*
2 * Copyright (C) 2003 Yasuhiro Ohara
3 *
4 * This file is part of GNU Zebra.
5 *
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
9 * later version.
10 *
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.
15 *
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
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA. 
20 */
21
22#ifndef OSPF6_INTRA_H
23#define OSPF6_INTRA_H
24
25/* Debug option */
26extern unsigned char conf_debug_ospf6_brouter;
27extern u_int32_t conf_debug_ospf6_brouter_specific_router_id;
28extern u_int32_t conf_debug_ospf6_brouter_specific_area_id;
29#define OSPF6_DEBUG_BROUTER_SUMMARY         0x01
30#define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER 0x02
31#define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA   0x04
32#define OSPF6_DEBUG_BROUTER_ON() \
33  (conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SUMMARY)
34#define OSPF6_DEBUG_BROUTER_OFF() \
35  (conf_debug_ospf6_brouter &= ~OSPF6_DEBUG_BROUTER_SUMMARY)
36#define IS_OSPF6_DEBUG_BROUTER \
37  (conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SUMMARY)
38
39#define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ON(router_id)             \
40  do {                                                                \
41    conf_debug_ospf6_brouter_specific_router_id = (router_id);        \
42    conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER;  \
43  } while (0)
44#define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_OFF()                     \
45  do {                                                                \
46    conf_debug_ospf6_brouter_specific_router_id = 0;                  \
47    conf_debug_ospf6_brouter &= ~OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER; \
48  } while (0)
49#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER                        \
50  (conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER)
51#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ID(router_id)          \
52  (IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER &&                          \
53   conf_debug_ospf6_brouter_specific_router_id == (router_id))
54
55#define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ON(area_id)                 \
56  do {                                                                \
57    conf_debug_ospf6_brouter_specific_area_id = (area_id);            \
58    conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SPECIFIC_AREA;    \
59  } while (0)
60#define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_OFF()                       \
61  do {                                                                \
62    conf_debug_ospf6_brouter_specific_area_id = 0;                    \
63    conf_debug_ospf6_brouter &= ~OSPF6_DEBUG_BROUTER_SPECIFIC_AREA;   \
64  } while (0)
65#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA                          \
66  (conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_AREA)
67#define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ID(area_id)              \
68  (IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA &&                            \
69   conf_debug_ospf6_brouter_specific_area_id == (area_id))
70
71/* Router-LSA */
72#define OSPF6_ROUTER_LSA_MIN_SIZE              4U
73struct ospf6_router_lsa
74{
75  u_char bits;
76  u_char options[3];
77  /* followed by ospf6_router_lsdesc(s) */
78};
79
80/* Link State Description in Router-LSA */
81#define OSPF6_ROUTER_LSDESC_FIX_SIZE          16U
82struct ospf6_router_lsdesc
83{
84  u_char    type;
85  u_char    reserved;
86  u_int16_t metric;                /* output cost */
87  u_int32_t interface_id;
88  u_int32_t neighbor_interface_id;
89  u_int32_t neighbor_router_id;
90};
91
92#define OSPF6_ROUTER_LSDESC_POINTTOPOINT       1
93#define OSPF6_ROUTER_LSDESC_TRANSIT_NETWORK    2
94#define OSPF6_ROUTER_LSDESC_STUB_NETWORK       3
95#define OSPF6_ROUTER_LSDESC_VIRTUAL_LINK       4
96
97#define ROUTER_LSDESC_IS_TYPE(t,x)                         \
98  ((((struct ospf6_router_lsdesc *)(x))->type ==           \
99   OSPF6_ROUTER_LSDESC_ ## t) ? 1 : 0)
100#define ROUTER_LSDESC_GET_METRIC(x)                        \
101  (ntohs (((struct ospf6_router_lsdesc *)(x))->metric))
102#define ROUTER_LSDESC_GET_IFID(x)                          \
103  (ntohl (((struct ospf6_router_lsdesc *)(x))->interface_id))
104#define ROUTER_LSDESC_GET_NBR_IFID(x)                      \
105  (ntohl (((struct ospf6_router_lsdesc *)(x))->neighbor_interface_id))
106#define ROUTER_LSDESC_GET_NBR_ROUTERID(x)                  \
107  (((struct ospf6_router_lsdesc *)(x))->neighbor_router_id)
108
109/* Network-LSA */
110#define OSPF6_NETWORK_LSA_MIN_SIZE             4U
111struct ospf6_network_lsa
112{
113  u_char reserved;
114  u_char options[3];
115  /* followed by ospf6_netowrk_lsd(s) */
116};
117
118/* Link State Description in Router-LSA */
119#define OSPF6_NETWORK_LSDESC_FIX_SIZE          4U
120struct ospf6_network_lsdesc
121{
122  u_int32_t router_id;
123};
124#define NETWORK_LSDESC_GET_NBR_ROUTERID(x)                  \
125  (((struct ospf6_network_lsdesc *)(x))->router_id)
126
127/* Link-LSA */
128#define OSPF6_LINK_LSA_MIN_SIZE               24U /* w/o 1st IPv6 prefix */
129struct ospf6_link_lsa
130{
131  u_char          priority;
132  u_char          options[3];
133  struct in6_addr linklocal_addr;
134  u_int32_t       prefix_num;
135  /* followed by ospf6 prefix(es) */
136};
137
138/* Intra-Area-Prefix-LSA */
139#define OSPF6_INTRA_PREFIX_LSA_MIN_SIZE       12U /* w/o 1st IPv6 prefix */
140struct ospf6_intra_prefix_lsa
141{
142  u_int16_t prefix_num;
143  u_int16_t ref_type;
144  u_int32_t ref_id;
145  u_int32_t ref_adv_router;
146  /* followed by ospf6 prefix(es) */
147};
148
149
150#define OSPF6_ROUTER_LSA_SCHEDULE(oa) \
151  do { \
152    if (! (oa)->thread_router_lsa) \
153      (oa)->thread_router_lsa = \
154        thread_add_event (master, ospf6_router_lsa_originate, oa, 0); \
155  } while (0)
156#define OSPF6_NETWORK_LSA_SCHEDULE(oi) \
157  do { \
158    if (! (oi)->thread_network_lsa) \
159      (oi)->thread_network_lsa = \
160        thread_add_event (master, ospf6_network_lsa_originate, oi, 0); \
161  } while (0)
162#define OSPF6_LINK_LSA_SCHEDULE(oi) \
163  do { \
164    if (! (oi)->thread_link_lsa) \
165      (oi)->thread_link_lsa = \
166        thread_add_event (master, ospf6_link_lsa_originate, oi, 0); \
167  } while (0)
168#define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oa) \
169  do { \
170    if (! (oa)->thread_intra_prefix_lsa) \
171      (oa)->thread_intra_prefix_lsa = \
172        thread_add_event (master, ospf6_intra_prefix_lsa_originate_stub, \
173                          oa, 0); \
174  } while (0)
175#define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi) \
176  do { \
177    if (! (oi)->thread_intra_prefix_lsa) \
178      (oi)->thread_intra_prefix_lsa = \
179        thread_add_event (master, ospf6_intra_prefix_lsa_originate_transit, \
180                          oi, 0); \
181  } while (0)
182
183#define OSPF6_NETWORK_LSA_EXECUTE(oi) \
184  do { \
185    THREAD_OFF ((oi)->thread_network_lsa); \
186    thread_execute (master, ospf6_network_lsa_originate, oi, 0); \
187  } while (0)
188#define OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi) \
189  do { \
190    THREAD_OFF ((oi)->thread_intra_prefix_lsa); \
191    thread_execute (master, ospf6_intra_prefix_lsa_originate_transit, oi, 0); \
192  } while (0)
193
194
195/* Function Prototypes */
196extern char *ospf6_router_lsdesc_lookup (u_char type, u_int32_t interface_id,
197                                         u_int32_t neighbor_interface_id,
198                                         u_int32_t neighbor_router_id,
199                                         struct ospf6_lsa *lsa);
200extern char *ospf6_network_lsdesc_lookup (u_int32_t router_id,
201                                          struct ospf6_lsa *lsa);
202
203extern int ospf6_router_lsa_originate (struct thread *);
204extern int ospf6_network_lsa_originate (struct thread *);
205extern int ospf6_link_lsa_originate (struct thread *);
206extern int ospf6_intra_prefix_lsa_originate_transit (struct thread *);
207extern int ospf6_intra_prefix_lsa_originate_stub (struct thread *);
208extern void ospf6_intra_prefix_lsa_add (struct ospf6_lsa *lsa);
209extern void ospf6_intra_prefix_lsa_remove (struct ospf6_lsa *lsa);
210
211extern void ospf6_intra_route_calculation (struct ospf6_area *oa);
212extern void ospf6_intra_brouter_calculation (struct ospf6_area *oa);
213
214extern void ospf6_intra_init (void);
215
216extern int config_write_ospf6_debug_brouter (struct vty *vty);
217extern void install_element_ospf6_debug_brouter (void);
218
219#endif /* OSPF6_LSA_H */
220
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