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Diffstat (limited to 'ospfd/ospf_lsa.h')
-rw-r--r--ospfd/ospf_lsa.h369
1 files changed, 180 insertions, 189 deletions
diff --git a/ospfd/ospf_lsa.h b/ospfd/ospf_lsa.h
index 8b9a0d4c49..106238ad59 100644
--- a/ospfd/ospf_lsa.h
+++ b/ospfd/ospf_lsa.h
@@ -53,23 +53,21 @@
#define LSA_REFRESH_FORCE 1
/* OSPF LSA header. */
-struct lsa_header
-{
- u_int16_t ls_age;
- u_char options;
- u_char type;
- struct in_addr id;
- struct in_addr adv_router;
- u_int32_t ls_seqnum;
- u_int16_t checksum;
- u_int16_t length;
+struct lsa_header {
+ u_int16_t ls_age;
+ u_char options;
+ u_char type;
+ struct in_addr id;
+ struct in_addr adv_router;
+ u_int32_t ls_seqnum;
+ u_int16_t checksum;
+ u_int16_t length;
};
/* OSPF LSA. */
-struct ospf_lsa
-{
- /* LSA origination flag. */
- u_char flags;
+struct ospf_lsa {
+ /* LSA origination flag. */
+ u_char flags;
#define OSPF_LSA_SELF 0x01
#define OSPF_LSA_SELF_CHECKED 0x02
#define OSPF_LSA_RECEIVED 0x04
@@ -79,41 +77,41 @@ struct ospf_lsa
#define OSPF_LSA_PREMATURE_AGE 0x40
#define OSPF_LSA_IN_MAXAGE 0x80
- /* LSA data. */
- struct lsa_header *data;
+ /* LSA data. */
+ struct lsa_header *data;
- /* Received time stamp. */
- struct timeval tv_recv;
+ /* Received time stamp. */
+ struct timeval tv_recv;
- /* Last time it was originated */
- struct timeval tv_orig;
+ /* Last time it was originated */
+ struct timeval tv_orig;
- /* All of reference count, also lock to remove. */
- int lock;
+ /* All of reference count, also lock to remove. */
+ int lock;
- /* Flags for the SPF calculation. */
- int stat;
- #define LSA_SPF_NOT_EXPLORED -1
- #define LSA_SPF_IN_SPFTREE -2
- /* If stat >= 0, stat is LSA position in candidates heap. */
-
- /* References to this LSA in neighbor retransmission lists*/
- int retransmit_counter;
+ /* Flags for the SPF calculation. */
+ int stat;
+#define LSA_SPF_NOT_EXPLORED -1
+#define LSA_SPF_IN_SPFTREE -2
+ /* If stat >= 0, stat is LSA position in candidates heap. */
- /* Area the LSA belongs to, may be NULL if AS-external-LSA. */
- struct ospf_area *area;
+ /* References to this LSA in neighbor retransmission lists*/
+ int retransmit_counter;
- /* Parent LSDB. */
- struct ospf_lsdb *lsdb;
+ /* Area the LSA belongs to, may be NULL if AS-external-LSA. */
+ struct ospf_area *area;
- /* Related Route. */
- void *route;
+ /* Parent LSDB. */
+ struct ospf_lsdb *lsdb;
- /* Refreshement List or Queue */
- int refresh_list;
-
- /* For Type-9 Opaque-LSAs */
- struct ospf_interface *oi;
+ /* Related Route. */
+ void *route;
+
+ /* Refreshement List or Queue */
+ int refresh_list;
+
+ /* For Type-9 Opaque-LSAs */
+ struct ospf_interface *oi;
};
/* OSPF LSA Link Type. */
@@ -136,16 +134,14 @@ struct ospf_lsa
#define IS_ROUTER_LSA_NT(x) ((x)->flags & ROUTER_LSA_NT)
/* OSPF Router-LSA Link information. */
-struct router_lsa_link
-{
- struct in_addr link_id;
- struct in_addr link_data;
- struct
- {
- u_char type;
- u_char tos_count;
- u_int16_t metric;
- } m[1];
+struct router_lsa_link {
+ struct in_addr link_id;
+ struct in_addr link_data;
+ struct {
+ u_char type;
+ u_char tos_count;
+ u_int16_t metric;
+ } m[1];
};
/* OSPF Router-LSAs structure. */
@@ -157,54 +153,48 @@ struct router_lsa_link
reached (RFC2328 12.4.1.3). In this case the Router-LSA initially received
by the other end of the VL will have 0 link descriptor blocks, but soon will
be replaced with the next revision having 1 descriptor block. */
-struct router_lsa
-{
- struct lsa_header header;
- u_char flags;
- u_char zero;
- u_int16_t links;
- struct
- {
- struct in_addr link_id;
- struct in_addr link_data;
- u_char type;
- u_char tos;
- u_int16_t metric;
- } link[1];
+struct router_lsa {
+ struct lsa_header header;
+ u_char flags;
+ u_char zero;
+ u_int16_t links;
+ struct {
+ struct in_addr link_id;
+ struct in_addr link_data;
+ u_char type;
+ u_char tos;
+ u_int16_t metric;
+ } link[1];
};
/* OSPF Network-LSAs structure. */
#define OSPF_NETWORK_LSA_MIN_SIZE 8U /* w/1 router-ID */
-struct network_lsa
-{
- struct lsa_header header;
- struct in_addr mask;
- struct in_addr routers[1];
+struct network_lsa {
+ struct lsa_header header;
+ struct in_addr mask;
+ struct in_addr routers[1];
};
/* OSPF Summary-LSAs structure. */
#define OSPF_SUMMARY_LSA_MIN_SIZE 8U /* w/1 TOS metric block */
-struct summary_lsa
-{
- struct lsa_header header;
- struct in_addr mask;
- u_char tos;
- u_char metric[3];
+struct summary_lsa {
+ struct lsa_header header;
+ struct in_addr mask;
+ u_char tos;
+ u_char metric[3];
};
/* OSPF AS-external-LSAs structure. */
#define OSPF_AS_EXTERNAL_LSA_MIN_SIZE 16U /* w/1 TOS forwarding block */
-struct as_external_lsa
-{
- struct lsa_header header;
- struct in_addr mask;
- struct
- {
- u_char tos;
- u_char metric[3];
- struct in_addr fwd_addr;
- u_int32_t route_tag;
- } e[1];
+struct as_external_lsa {
+ struct lsa_header header;
+ struct in_addr mask;
+ struct {
+ u_char tos;
+ u_char metric[3];
+ struct in_addr fwd_addr;
+ u_int32_t route_tag;
+ } e[1];
};
#include "ospfd/ospf_opaque.h"
@@ -214,121 +204,122 @@ struct as_external_lsa
#define IS_EXTERNAL_METRIC(x) ((x) & 0x80)
#define GET_AGE(x) (ntohs ((x)->data->ls_age) + time (NULL) - (x)->tv_recv)
-#define LS_AGE(x) (OSPF_LSA_MAXAGE < get_age(x) ? \
- OSPF_LSA_MAXAGE : get_age(x))
+#define LS_AGE(x) (OSPF_LSA_MAXAGE < get_age(x) ? OSPF_LSA_MAXAGE : get_age(x))
#define IS_LSA_SELF(L) (CHECK_FLAG ((L)->flags, OSPF_LSA_SELF))
#define IS_LSA_MAXAGE(L) (LS_AGE ((L)) == OSPF_LSA_MAXAGE)
#define OSPF_LSA_UPDATE_DELAY 2
-#define OSPF_LSA_UPDATE_TIMER_ON(T,F) \
- if (!(T)) \
- (T) = thread_add_timer (master, (F), 0, 2)
+#define OSPF_LSA_UPDATE_TIMER_ON(T, F) \
+ if (!(T)) \
+ (T) = thread_add_timer(master, (F), 0, 2)
/* Prototypes. */
/* XXX: Eek, time functions, similar are in lib/thread.c */
-extern struct timeval int2tv (int);
-extern struct timeval msec2tv (int);
+extern struct timeval int2tv(int);
+extern struct timeval msec2tv(int);
-extern int get_age (struct ospf_lsa *);
-extern u_int16_t ospf_lsa_checksum (struct lsa_header *);
-extern int ospf_lsa_checksum_valid (struct lsa_header *);
-extern int ospf_lsa_refresh_delay (struct ospf_lsa *);
+extern int get_age(struct ospf_lsa *);
+extern u_int16_t ospf_lsa_checksum(struct lsa_header *);
+extern int ospf_lsa_checksum_valid(struct lsa_header *);
+extern int ospf_lsa_refresh_delay(struct ospf_lsa *);
-extern const char *dump_lsa_key (struct ospf_lsa *);
-extern u_int32_t lsa_seqnum_increment (struct ospf_lsa *);
-extern void lsa_header_set (struct stream *, u_char, u_char, struct in_addr,
- struct in_addr);
-extern struct ospf_neighbor *ospf_nbr_lookup_ptop (struct ospf_interface *);
-extern int ospf_check_nbr_status (struct ospf *);
+extern const char *dump_lsa_key(struct ospf_lsa *);
+extern u_int32_t lsa_seqnum_increment(struct ospf_lsa *);
+extern void lsa_header_set(struct stream *, u_char, u_char, struct in_addr,
+ struct in_addr);
+extern struct ospf_neighbor *ospf_nbr_lookup_ptop(struct ospf_interface *);
+extern int ospf_check_nbr_status(struct ospf *);
/* Prototype for LSA primitive. */
-extern struct ospf_lsa *ospf_lsa_new (void);
-extern struct ospf_lsa *ospf_lsa_dup (struct ospf_lsa *);
-extern void ospf_lsa_free (struct ospf_lsa *);
-extern struct ospf_lsa *ospf_lsa_lock (struct ospf_lsa *);
-extern void ospf_lsa_unlock (struct ospf_lsa **);
-extern void ospf_lsa_discard (struct ospf_lsa *);
-extern int ospf_lsa_flush_schedule (struct ospf *, struct ospf_lsa *);
-extern struct lsa_header *ospf_lsa_data_new (size_t);
-extern struct lsa_header *ospf_lsa_data_dup (struct lsa_header *);
-extern void ospf_lsa_data_free (struct lsa_header *);
+extern struct ospf_lsa *ospf_lsa_new(void);
+extern struct ospf_lsa *ospf_lsa_dup(struct ospf_lsa *);
+extern void ospf_lsa_free(struct ospf_lsa *);
+extern struct ospf_lsa *ospf_lsa_lock(struct ospf_lsa *);
+extern void ospf_lsa_unlock(struct ospf_lsa **);
+extern void ospf_lsa_discard(struct ospf_lsa *);
+extern int ospf_lsa_flush_schedule(struct ospf *, struct ospf_lsa *);
+extern struct lsa_header *ospf_lsa_data_new(size_t);
+extern struct lsa_header *ospf_lsa_data_dup(struct lsa_header *);
+extern void ospf_lsa_data_free(struct lsa_header *);
/* Prototype for various LSAs */
-extern int ospf_router_lsa_update (struct ospf *);
-extern int ospf_router_lsa_update_area (struct ospf_area *);
-
-extern void ospf_network_lsa_update (struct ospf_interface *);
-
-extern struct ospf_lsa *ospf_summary_lsa_originate (struct prefix_ipv4 *, u_int32_t,
- struct ospf_area *);
-extern struct ospf_lsa *ospf_summary_asbr_lsa_originate (struct prefix_ipv4 *,
- u_int32_t,
- struct ospf_area *);
-
-extern struct ospf_lsa *ospf_lsa_install (struct ospf *,
- struct ospf_interface *, struct ospf_lsa *);
-
-extern void ospf_nssa_lsa_flush (struct ospf *ospf, struct prefix_ipv4 *p);
-extern void ospf_external_lsa_flush (struct ospf *, u_char, struct prefix_ipv4 *,
- ifindex_t /* , struct in_addr nexthop */);
-
-extern struct in_addr ospf_get_ip_from_ifp (struct ospf_interface *);
-
-extern struct ospf_lsa *ospf_external_lsa_originate (struct ospf *, struct external_info *);
-extern int ospf_external_lsa_originate_timer (struct thread *);
-extern int ospf_default_originate_timer (struct thread *);
-extern struct ospf_lsa *ospf_lsa_lookup (struct ospf_area *, u_int32_t,
- struct in_addr, struct in_addr);
-extern struct ospf_lsa *ospf_lsa_lookup_by_id (struct ospf_area *,
- u_int32_t,
- struct in_addr);
-extern struct ospf_lsa *ospf_lsa_lookup_by_header (struct ospf_area *,
- struct lsa_header *);
-extern int ospf_lsa_more_recent (struct ospf_lsa *, struct ospf_lsa *);
-extern int ospf_lsa_different (struct ospf_lsa *, struct ospf_lsa *);
-extern void ospf_flush_self_originated_lsas_now (struct ospf *);
-
-extern int ospf_lsa_is_self_originated (struct ospf *, struct ospf_lsa *);
-
-extern struct ospf_lsa *ospf_lsa_lookup_by_prefix (struct ospf_lsdb *, u_char,
- struct prefix_ipv4 *,
- struct in_addr);
-
-extern void ospf_lsa_maxage (struct ospf *, struct ospf_lsa *);
-extern u_int32_t get_metric (u_char *);
-
-extern int ospf_lsa_maxage_walker (struct thread *);
-extern struct ospf_lsa *ospf_lsa_refresh (struct ospf *, struct ospf_lsa *);
-
-extern void ospf_external_lsa_refresh_default (struct ospf *);
-
-extern void ospf_external_lsa_refresh_type (struct ospf *, u_char, u_short, int);
-extern struct ospf_lsa *ospf_external_lsa_refresh (struct ospf *,
- struct ospf_lsa *,
- struct external_info *,
- int);
-extern struct in_addr ospf_lsa_unique_id (struct ospf *, struct ospf_lsdb *, u_char,
- struct prefix_ipv4 *);
-extern void ospf_schedule_lsa_flood_area (struct ospf_area *, struct ospf_lsa *);
-extern void ospf_schedule_lsa_flush_area (struct ospf_area *, struct ospf_lsa *);
-
-extern void ospf_refresher_register_lsa (struct ospf *, struct ospf_lsa *);
-extern void ospf_refresher_unregister_lsa (struct ospf *, struct ospf_lsa *);
-extern int ospf_lsa_refresh_walker (struct thread *);
-
-extern void ospf_lsa_maxage_delete (struct ospf *, struct ospf_lsa *);
-
-extern void ospf_discard_from_db (struct ospf *, struct ospf_lsdb *, struct ospf_lsa*);
-extern int is_prefix_default (struct prefix_ipv4 *);
-
-extern int metric_type (struct ospf *, u_char, u_short);
-extern int metric_value (struct ospf *, u_char, u_short);
-
-extern struct in_addr ospf_get_nssa_ip (struct ospf_area *);
-extern int ospf_translated_nssa_compare (struct ospf_lsa *, struct ospf_lsa *);
-extern struct ospf_lsa *ospf_translated_nssa_refresh (struct ospf *, struct ospf_lsa *,
- struct ospf_lsa *);
-extern struct ospf_lsa *ospf_translated_nssa_originate (struct ospf *, struct ospf_lsa *);
+extern int ospf_router_lsa_update(struct ospf *);
+extern int ospf_router_lsa_update_area(struct ospf_area *);
+
+extern void ospf_network_lsa_update(struct ospf_interface *);
+
+extern struct ospf_lsa *
+ospf_summary_lsa_originate(struct prefix_ipv4 *, u_int32_t, struct ospf_area *);
+extern struct ospf_lsa *ospf_summary_asbr_lsa_originate(struct prefix_ipv4 *,
+ u_int32_t,
+ struct ospf_area *);
+
+extern struct ospf_lsa *ospf_lsa_install(struct ospf *, struct ospf_interface *,
+ struct ospf_lsa *);
+
+extern void ospf_nssa_lsa_flush(struct ospf *ospf, struct prefix_ipv4 *p);
+extern void ospf_external_lsa_flush(struct ospf *, u_char, struct prefix_ipv4 *,
+ ifindex_t /* , struct in_addr nexthop */);
+
+extern struct in_addr ospf_get_ip_from_ifp(struct ospf_interface *);
+
+extern struct ospf_lsa *ospf_external_lsa_originate(struct ospf *,
+ struct external_info *);
+extern int ospf_external_lsa_originate_timer(struct thread *);
+extern int ospf_default_originate_timer(struct thread *);
+extern struct ospf_lsa *ospf_lsa_lookup(struct ospf_area *, u_int32_t,
+ struct in_addr, struct in_addr);
+extern struct ospf_lsa *ospf_lsa_lookup_by_id(struct ospf_area *, u_int32_t,
+ struct in_addr);
+extern struct ospf_lsa *ospf_lsa_lookup_by_header(struct ospf_area *,
+ struct lsa_header *);
+extern int ospf_lsa_more_recent(struct ospf_lsa *, struct ospf_lsa *);
+extern int ospf_lsa_different(struct ospf_lsa *, struct ospf_lsa *);
+extern void ospf_flush_self_originated_lsas_now(struct ospf *);
+
+extern int ospf_lsa_is_self_originated(struct ospf *, struct ospf_lsa *);
+
+extern struct ospf_lsa *ospf_lsa_lookup_by_prefix(struct ospf_lsdb *, u_char,
+ struct prefix_ipv4 *,
+ struct in_addr);
+
+extern void ospf_lsa_maxage(struct ospf *, struct ospf_lsa *);
+extern u_int32_t get_metric(u_char *);
+
+extern int ospf_lsa_maxage_walker(struct thread *);
+extern struct ospf_lsa *ospf_lsa_refresh(struct ospf *, struct ospf_lsa *);
+
+extern void ospf_external_lsa_refresh_default(struct ospf *);
+
+extern void ospf_external_lsa_refresh_type(struct ospf *, u_char, u_short, int);
+extern struct ospf_lsa *ospf_external_lsa_refresh(struct ospf *,
+ struct ospf_lsa *,
+ struct external_info *, int);
+extern struct in_addr ospf_lsa_unique_id(struct ospf *, struct ospf_lsdb *,
+ u_char, struct prefix_ipv4 *);
+extern void ospf_schedule_lsa_flood_area(struct ospf_area *, struct ospf_lsa *);
+extern void ospf_schedule_lsa_flush_area(struct ospf_area *, struct ospf_lsa *);
+
+extern void ospf_refresher_register_lsa(struct ospf *, struct ospf_lsa *);
+extern void ospf_refresher_unregister_lsa(struct ospf *, struct ospf_lsa *);
+extern int ospf_lsa_refresh_walker(struct thread *);
+
+extern void ospf_lsa_maxage_delete(struct ospf *, struct ospf_lsa *);
+
+extern void ospf_discard_from_db(struct ospf *, struct ospf_lsdb *,
+ struct ospf_lsa *);
+extern int is_prefix_default(struct prefix_ipv4 *);
+
+extern int metric_type(struct ospf *, u_char, u_short);
+extern int metric_value(struct ospf *, u_char, u_short);
+
+extern struct in_addr ospf_get_nssa_ip(struct ospf_area *);
+extern int ospf_translated_nssa_compare(struct ospf_lsa *, struct ospf_lsa *);
+extern struct ospf_lsa *ospf_translated_nssa_refresh(struct ospf *,
+ struct ospf_lsa *,
+ struct ospf_lsa *);
+extern struct ospf_lsa *ospf_translated_nssa_originate(struct ospf *,
+ struct ospf_lsa *);
#endif /* _ZEBRA_OSPF_LSA_H */