Adding upstream version 9.1.upstream/9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 243 insertions, 0 deletions

diff --git a/ospf6d/ospf6_intra.h b/ospf6d/ospf6_intra.h
new file mode 100644
index 0000000..7d154cb
--- /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 */