/* * Copyright (C) 2003 Yasuhiro Ohara * * This file is part of GNU Zebra. * * GNU Zebra is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * GNU Zebra is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; see the file COPYING; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef OSPF6_INTRA_H #define OSPF6_INTRA_H /* Debug option */ extern unsigned char conf_debug_ospf6_brouter; extern u_int32_t conf_debug_ospf6_brouter_specific_router_id; extern u_int32_t conf_debug_ospf6_brouter_specific_area_id; #define OSPF6_DEBUG_BROUTER_SUMMARY 0x01 #define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER 0x02 #define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA 0x04 #define OSPF6_DEBUG_BROUTER_ON() \ (conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SUMMARY) #define OSPF6_DEBUG_BROUTER_OFF() \ (conf_debug_ospf6_brouter &= ~OSPF6_DEBUG_BROUTER_SUMMARY) #define IS_OSPF6_DEBUG_BROUTER \ (conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SUMMARY) #define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ON(router_id) \ do { \ conf_debug_ospf6_brouter_specific_router_id = (router_id); \ conf_debug_ospf6_brouter |= \ OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER; \ } while (0) #define OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_OFF() \ do { \ conf_debug_ospf6_brouter_specific_router_id = 0; \ conf_debug_ospf6_brouter &= \ ~OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER; \ } while (0) #define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER \ (conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER) #define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER_ID(router_id) \ (IS_OSPF6_DEBUG_BROUTER_SPECIFIC_ROUTER \ && conf_debug_ospf6_brouter_specific_router_id == (router_id)) #define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ON(area_id) \ do { \ conf_debug_ospf6_brouter_specific_area_id = (area_id); \ conf_debug_ospf6_brouter |= OSPF6_DEBUG_BROUTER_SPECIFIC_AREA; \ } while (0) #define OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_OFF() \ do { \ conf_debug_ospf6_brouter_specific_area_id = 0; \ conf_debug_ospf6_brouter &= \ ~OSPF6_DEBUG_BROUTER_SPECIFIC_AREA; \ } while (0) #define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA \ (conf_debug_ospf6_brouter & OSPF6_DEBUG_BROUTER_SPECIFIC_AREA) #define IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA_ID(area_id) \ (IS_OSPF6_DEBUG_BROUTER_SPECIFIC_AREA \ && conf_debug_ospf6_brouter_specific_area_id == (area_id)) /* Router-LSA */ #define OSPF6_ROUTER_LSA_MIN_SIZE 4U struct ospf6_router_lsa { u_char bits; u_char options[3]; /* followed by ospf6_router_lsdesc(s) */ }; /* Link State Description in Router-LSA */ #define OSPF6_ROUTER_LSDESC_FIX_SIZE 16U struct ospf6_router_lsdesc { u_char type; u_char reserved; u_int16_t metric; /* output cost */ u_int32_t interface_id; u_int32_t neighbor_interface_id; u_int32_t neighbor_router_id; }; #define OSPF6_ROUTER_LSDESC_POINTTOPOINT 1 #define OSPF6_ROUTER_LSDESC_TRANSIT_NETWORK 2 #define OSPF6_ROUTER_LSDESC_STUB_NETWORK 3 #define OSPF6_ROUTER_LSDESC_VIRTUAL_LINK 4 enum stub_router_mode { OSPF6_NOT_STUB_ROUTER, OSPF6_IS_STUB_ROUTER, OSPF6_IS_STUB_ROUTER_V6, }; #define ROUTER_LSDESC_IS_TYPE(t, x) \ ((((struct ospf6_router_lsdesc *)(x))->type \ == OSPF6_ROUTER_LSDESC_##t) \ ? 1 \ : 0) #define ROUTER_LSDESC_GET_METRIC(x) \ (ntohs(((struct ospf6_router_lsdesc *)(x))->metric)) #define ROUTER_LSDESC_GET_IFID(x) \ (ntohl(((struct ospf6_router_lsdesc *)(x))->interface_id)) #define ROUTER_LSDESC_GET_NBR_IFID(x) \ (ntohl(((struct ospf6_router_lsdesc *)(x))->neighbor_interface_id)) #define ROUTER_LSDESC_GET_NBR_ROUTERID(x) \ (((struct ospf6_router_lsdesc *)(x))->neighbor_router_id) /* Network-LSA */ #define OSPF6_NETWORK_LSA_MIN_SIZE 4U struct ospf6_network_lsa { u_char reserved; u_char options[3]; /* followed by ospf6_netowrk_lsd(s) */ }; /* Link State Description in Router-LSA */ #define OSPF6_NETWORK_LSDESC_FIX_SIZE 4U struct ospf6_network_lsdesc { u_int32_t router_id; }; #define NETWORK_LSDESC_GET_NBR_ROUTERID(x) \ (((struct ospf6_network_lsdesc *)(x))->router_id) /* Link-LSA */ #define OSPF6_LINK_LSA_MIN_SIZE 24U /* w/o 1st IPv6 prefix */ struct ospf6_link_lsa { u_char priority; u_char options[3]; struct in6_addr linklocal_addr; u_int32_t prefix_num; /* followed by ospf6 prefix(es) */ }; /* Intra-Area-Prefix-LSA */ #define OSPF6_INTRA_PREFIX_LSA_MIN_SIZE 12U /* w/o 1st IPv6 prefix */ struct ospf6_intra_prefix_lsa { u_int16_t prefix_num; u_int16_t ref_type; u_int32_t ref_id; u_int32_t ref_adv_router; /* followed by ospf6 prefix(es) */ }; #define OSPF6_ROUTER_LSA_SCHEDULE(oa) \ do { \ if (CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE)) \ thread_add_event(master, ospf6_router_lsa_originate, \ oa, 0, &(oa)->thread_router_lsa); \ } while (0) #define OSPF6_NETWORK_LSA_SCHEDULE(oi) \ do { \ if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \ thread_add_event(master, ospf6_network_lsa_originate, \ oi, 0, &(oi)->thread_network_lsa); \ } while (0) #define OSPF6_LINK_LSA_SCHEDULE(oi) \ do { \ if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \ thread_add_event(master, ospf6_link_lsa_originate, oi, \ 0, &(oi)->thread_link_lsa); \ } while (0) #define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oa) \ do { \ if (CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE)) \ thread_add_event( \ master, ospf6_intra_prefix_lsa_originate_stub, \ oa, 0, &(oa)->thread_intra_prefix_lsa); \ } while (0) #define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi) \ do { \ if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \ thread_add_event( \ master, \ ospf6_intra_prefix_lsa_originate_transit, oi, \ 0, &(oi)->thread_intra_prefix_lsa); \ } while (0) #define OSPF6_AS_EXTERN_LSA_SCHEDULE(oi) \ do { \ if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \ thread_add_event(master, ospf6_orig_as_external_lsa, \ oi, 0, &(oi)->thread_as_extern_lsa); \ } while (0) #define OSPF6_NETWORK_LSA_EXECUTE(oi) \ do { \ THREAD_OFF((oi)->thread_network_lsa); \ thread_execute(master, ospf6_network_lsa_originate, oi, 0); \ } while (0) #define OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi) \ do { \ THREAD_OFF((oi)->thread_intra_prefix_lsa); \ thread_execute(master, \ ospf6_intra_prefix_lsa_originate_transit, oi, \ 0); \ } while (0) #define OSPF6_AS_EXTERN_LSA_EXECUTE(oi) \ do { \ THREAD_OFF((oi)->thread_as_extern_lsa); \ thread_execute(master, ospf6_orig_as_external_lsa, oi, 0); \ } while (0) /* Function Prototypes */ extern char *ospf6_router_lsdesc_lookup(u_char type, u_int32_t interface_id, u_int32_t neighbor_interface_id, u_int32_t neighbor_router_id, struct ospf6_lsa *lsa); extern char *ospf6_network_lsdesc_lookup(u_int32_t router_id, struct ospf6_lsa *lsa); extern int ospf6_router_is_stub_router(struct ospf6_lsa *lsa); extern int ospf6_router_lsa_originate(struct thread *); extern int ospf6_network_lsa_originate(struct thread *); extern int ospf6_link_lsa_originate(struct thread *); extern int ospf6_intra_prefix_lsa_originate_transit(struct thread *); extern int ospf6_intra_prefix_lsa_originate_stub(struct thread *); extern void ospf6_intra_prefix_lsa_add(struct ospf6_lsa *lsa); extern void ospf6_intra_prefix_lsa_remove(struct ospf6_lsa *lsa); extern int ospf6_orig_as_external_lsa(struct thread *thread); extern void ospf6_intra_route_calculation(struct ospf6_area *oa); extern void ospf6_intra_brouter_calculation(struct ospf6_area *oa); extern void ospf6_intra_init(void); extern int config_write_ospf6_debug_brouter(struct vty *vty); extern void install_element_ospf6_debug_brouter(void); #endif /* OSPF6_LSA_H */