Annotation of embedaddon/quagga/ospf6d/ospf6_intra.h, revision 1.1

1.1     ! misho       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: #define OSPF6_ROUTER_LSA_MIN_SIZE              4U
        !            73: struct 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
        !            82: struct 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
        !           111: struct 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
        !           120: struct 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 */
        !           129: struct 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 */
        !           140: struct 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 */
        !           196: extern 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);
        !           200: extern char *ospf6_network_lsdesc_lookup (u_int32_t router_id,
        !           201:                                           struct ospf6_lsa *lsa);
        !           202: 
        !           203: extern int ospf6_router_lsa_originate (struct thread *);
        !           204: extern int ospf6_network_lsa_originate (struct thread *);
        !           205: extern int ospf6_link_lsa_originate (struct thread *);
        !           206: extern int ospf6_intra_prefix_lsa_originate_transit (struct thread *);
        !           207: extern int ospf6_intra_prefix_lsa_originate_stub (struct thread *);
        !           208: extern void ospf6_intra_prefix_lsa_add (struct ospf6_lsa *lsa);
        !           209: extern void ospf6_intra_prefix_lsa_remove (struct ospf6_lsa *lsa);
        !           210: 
        !           211: extern void ospf6_intra_route_calculation (struct ospf6_area *oa);
        !           212: extern void ospf6_intra_brouter_calculation (struct ospf6_area *oa);
        !           213: 
        !           214: extern void ospf6_intra_init (void);
        !           215: 
        !           216: extern int config_write_ospf6_debug_brouter (struct vty *vty);
        !           217: extern void install_element_ospf6_debug_brouter (void);
        !           218: 
        !           219: #endif /* OSPF6_LSA_H */
        !           220: 

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