ospf6d/ospf6_intra.h

   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 */
  26 extern unsigned char conf_debug_ospf6_brouter;
  27 extern u_int32_t conf_debug_ospf6_brouter_specific_router_id;
  28 extern 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 struct ospf6_router_lsa
  73 {
  74   u_char bits;
  75   u_char options[3];
  76   /* followed by ospf6_router_lsdesc(s) */
  77 };
  78
  79 /* Link State Description in Router-LSA */
  80 struct ospf6_router_lsdesc
  81 {
  82   u_char    type;
  83   u_char    reserved;
  84   u_int16_t metric;                /* output cost */
  85   u_int32_t interface_id;
  86   u_int32_t neighbor_interface_id;
  87   u_int32_t neighbor_router_id;
  88 };
  89
  90 #define OSPF6_ROUTER_LSDESC_POINTTOPOINT       1
  91 #define OSPF6_ROUTER_LSDESC_TRANSIT_NETWORK    2
  92 #define OSPF6_ROUTER_LSDESC_STUB_NETWORK       3
  93 #define OSPF6_ROUTER_LSDESC_VIRTUAL_LINK       4
  94
  95 #define ROUTER_LSDESC_IS_TYPE(t,x)                         \
  96   ((((struct ospf6_router_lsdesc *)(x))->type ==           \
  97    OSPF6_ROUTER_LSDESC_ ## t) ? 1 : 0)
  98 #define ROUTER_LSDESC_GET_METRIC(x)                        \
  99   (ntohs (((struct ospf6_router_lsdesc *)(x))->metric))
 100 #define ROUTER_LSDESC_GET_IFID(x)                          \
 101   (ntohl (((struct ospf6_router_lsdesc *)(x))->interface_id))
 102 #define ROUTER_LSDESC_GET_NBR_IFID(x)                      \
 103   (ntohl (((struct ospf6_router_lsdesc *)(x))->neighbor_interface_id))
 104 #define ROUTER_LSDESC_GET_NBR_ROUTERID(x)                  \
 105   (((struct ospf6_router_lsdesc *)(x))->neighbor_router_id)
 106
 107 /* Network-LSA */
 108 struct ospf6_network_lsa
 109 {
 110   u_char reserved;
 111   u_char options[3];
 112   /* followed by ospf6_netowrk_lsd(s) */
 113 };
 114
 115 /* Link State Description in Router-LSA */
 116 struct ospf6_network_lsdesc
 117 {
 118   u_int32_t router_id;
 119 };
 120 #define NETWORK_LSDESC_GET_NBR_ROUTERID(x)                  \
 121   (((struct ospf6_network_lsdesc *)(x))->router_id)
 122
 123 /* Link-LSA */
 124 struct ospf6_link_lsa
 125 {
 126   u_char          priority;
 127   u_char          options[3];
 128   struct in6_addr linklocal_addr;
 129   u_int32_t       prefix_num;
 130   /* followed by ospf6 prefix(es) */
 131 };
 132
 133 /* Intra-Area-Prefix-LSA */
 134 struct ospf6_intra_prefix_lsa
 135 {
 136   u_int16_t prefix_num;
 137   u_int16_t ref_type;
 138   u_int32_t ref_id;
 139   u_int32_t ref_adv_router;
 140   /* followed by ospf6 prefix(es) */
 141 };
 142
 143 \f
 144 #define OSPF6_ROUTER_LSA_SCHEDULE(oa) \
 145   do { \
 146     if (! (oa)->thread_router_lsa) \
 147       (oa)->thread_router_lsa = \
 148         thread_add_event (master, ospf6_router_lsa_originate, oa, 0); \
 149   } while (0)
 150 #define OSPF6_NETWORK_LSA_SCHEDULE(oi) \
 151   do { \
 152     if (! (oi)->thread_network_lsa) \
 153       (oi)->thread_network_lsa = \
 154         thread_add_event (master, ospf6_network_lsa_originate, oi, 0); \
 155   } while (0)
 156 #define OSPF6_LINK_LSA_SCHEDULE(oi) \
 157   do { \
 158     if (! (oi)->thread_link_lsa) \
 159       (oi)->thread_link_lsa = \
 160         thread_add_event (master, ospf6_link_lsa_originate, oi, 0); \
 161   } while (0)
 162 #define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oa) \
 163   do { \
 164     if (! (oa)->thread_intra_prefix_lsa) \
 165       (oa)->thread_intra_prefix_lsa = \
 166         thread_add_event (master, ospf6_intra_prefix_lsa_originate_stub, \
 167                           oa, 0); \
 168   } while (0)
 169 #define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi) \
 170   do { \
 171     if (! (oi)->thread_intra_prefix_lsa) \
 172       (oi)->thread_intra_prefix_lsa = \
 173         thread_add_event (master, ospf6_intra_prefix_lsa_originate_transit, \
 174                           oi, 0); \
 175   } while (0)
 176
 177 #define OSPF6_NETWORK_LSA_EXECUTE(oi) \
 178   do { \
 179     THREAD_OFF ((oi)->thread_network_lsa); \
 180     thread_execute (master, ospf6_network_lsa_originate, oi, 0); \
 181   } while (0)
 182 #define OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi) \
 183   do { \
 184     THREAD_OFF ((oi)->thread_intra_prefix_lsa); \
 185     thread_execute (master, ospf6_intra_prefix_lsa_originate_transit, oi, 0); \
 186   } while (0)
 187
 188
 189 /* Function Prototypes */
 190 char *ospf6_router_lsdesc_lookup (u_char type, u_int32_t interface_id,
 191                             u_int32_t neighbor_interface_id,
 192                             u_int32_t neighbor_router_id,
 193                             struct ospf6_lsa *lsa);
 194 char *ospf6_network_lsdesc_lookup (u_int32_t router_id,
 195                                    struct ospf6_lsa *lsa);
 196
 197 int ospf6_router_lsa_originate (struct thread *);
 198 int ospf6_network_lsa_originate (struct thread *);
 199 int ospf6_link_lsa_originate (struct thread *);
 200 int ospf6_intra_prefix_lsa_originate_transit (struct thread *);
 201 int ospf6_intra_prefix_lsa_originate_stub (struct thread *);
 202 void ospf6_intra_prefix_lsa_add (struct ospf6_lsa *lsa);
 203 void ospf6_intra_prefix_lsa_remove (struct ospf6_lsa *lsa);
 204
 205 void ospf6_intra_route_calculation (struct ospf6_area *oa);
 206 void ospf6_intra_brouter_calculation (struct ospf6_area *oa);
 207
 208 void ospf6_intra_init ();
 209
 210 int config_write_ospf6_debug_brouter (struct vty *vty);
 211 void install_element_ospf6_debug_brouter ();
 212
 213 #endif /* OSPF6_LSA_H */
 214