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-rw-r--r--ospf6d/ospf6_intra.h243
1 files changed, 243 insertions, 0 deletions
diff --git a/ospf6d/ospf6_intra.h b/ospf6d/ospf6_intra.h
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--- /dev/null
+++ b/ospf6d/ospf6_intra.h
@@ -0,0 +1,243 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2003 Yasuhiro Ohara
+ */
+
+#ifndef OSPF6_INTRA_H
+#define OSPF6_INTRA_H
+
+/* Debug option */
+extern unsigned char conf_debug_ospf6_brouter;
+extern in_addr_t conf_debug_ospf6_brouter_specific_router_id;
+extern in_addr_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 {
+ uint8_t bits;
+ uint8_t 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 {
+ uint8_t type;
+ uint8_t reserved;
+ uint16_t metric; /* output cost */
+ uint32_t interface_id;
+ uint32_t neighbor_interface_id;
+ in_addr_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 {
+ uint8_t reserved;
+ uint8_t 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 {
+ in_addr_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 {
+ uint8_t priority;
+ uint8_t options[3];
+ struct in6_addr linklocal_addr;
+ uint32_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 {
+ uint16_t prefix_num;
+ uint16_t ref_type;
+ uint32_t ref_id;
+ in_addr_t ref_adv_router;
+ /* followed by ospf6 prefix(es) */
+};
+
+
+#define OSPF6_ROUTER_LSA_SCHEDULE(oa) \
+ do { \
+ if (CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE)) \
+ event_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)) \
+ event_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)) \
+ event_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)) \
+ event_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)) \
+ event_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)) \
+ event_add_event(master, ospf6_orig_as_external_lsa, \
+ oi, 0, &(oi)->thread_as_extern_lsa); \
+ } while (0)
+
+#define OSPF6_ROUTER_LSA_EXECUTE(oa) \
+ do { \
+ if (CHECK_FLAG((oa)->flag, OSPF6_AREA_ENABLE)) \
+ event_execute(master, ospf6_router_lsa_originate, oa, \
+ 0, NULL); \
+ } while (0)
+
+#define OSPF6_NETWORK_LSA_EXECUTE(oi) \
+ do { \
+ EVENT_OFF((oi)->thread_network_lsa); \
+ event_execute(master, ospf6_network_lsa_originate, oi, 0, \
+ NULL); \
+ } while (0)
+
+#define OSPF6_LINK_LSA_EXECUTE(oi) \
+ do { \
+ if (!CHECK_FLAG((oi)->flag, OSPF6_INTERFACE_DISABLE)) \
+ event_execute(master, ospf6_link_lsa_originate, oi, \
+ 0, NULL); \
+ } while (0)
+
+#define OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi) \
+ do { \
+ EVENT_OFF((oi)->thread_intra_prefix_lsa); \
+ event_execute(master, \
+ ospf6_intra_prefix_lsa_originate_transit, oi, \
+ 0, NULL); \
+ } while (0)
+
+#define OSPF6_AS_EXTERN_LSA_EXECUTE(oi) \
+ do { \
+ EVENT_OFF((oi)->thread_as_extern_lsa); \
+ event_execute(master, ospf6_orig_as_external_lsa, oi, 0, NULL);\
+ } while (0)
+
+/* Function Prototypes */
+extern char *ospf6_router_lsdesc_lookup(uint8_t type, uint32_t interface_id,
+ uint32_t neighbor_interface_id,
+ uint32_t neighbor_router_id,
+ struct ospf6_lsa *lsa);
+extern char *ospf6_network_lsdesc_lookup(uint32_t router_id,
+ struct ospf6_lsa *lsa);
+
+extern int ospf6_router_is_stub_router(struct ospf6_lsa *lsa);
+extern void ospf6_router_lsa_originate(struct event *thread);
+extern void ospf6_network_lsa_originate(struct event *thread);
+extern void ospf6_link_lsa_originate(struct event *thread);
+extern void ospf6_intra_prefix_lsa_originate_transit(struct event *thread);
+extern void ospf6_intra_prefix_lsa_originate_stub(struct event *thread);
+extern void ospf6_intra_prefix_lsa_add(struct ospf6_lsa *lsa);
+extern void ospf6_intra_prefix_lsa_remove(struct ospf6_lsa *lsa);
+extern void ospf6_orig_as_external_lsa(struct event *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_prefix_route_ecmp_path(struct ospf6_area *oa,
+ struct ospf6_route *old,
+ struct ospf6_route *route);
+
+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 */
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