const char *dump_lsa_key(struct ospf_lsa *lsa)
{
- static char buf[] = {"Type255,id(255.255.255.255),ar(255.255.255.255)"};
+ static char buf[sizeof("Type255,id(255.255.255.255),ar(255.255.255.255)")+1];
struct lsa_header *lsah;
if (lsa != NULL && (lsah = lsa->data) != NULL) {
*/
+ if (ospf->router_id.s_addr == 0) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("LSA[Type5:%pI4]: deferring AS-external-LSA origination, router ID is zero",
+ &ei->p.prefix);
+ return NULL;
+ }
+
/* Check the AS-external-LSA should be originated. */
if (!ospf_redistribute_check(ospf, ei, NULL))
return NULL;
return new;
}
-/* Originate AS-external-LSA from external info with initial flag. */
-int ospf_external_lsa_originate_timer(struct thread *thread)
-{
- struct ospf *ospf = THREAD_ARG(thread);
- struct route_node *rn;
- struct external_info *ei;
- struct route_table *rt;
- int type = THREAD_VAL(thread);
- struct list *ext_list;
- struct listnode *node;
- struct ospf_external *ext;
-
- ospf->t_external_lsa = NULL;
-
- ext_list = ospf->external[type];
- if (!ext_list)
- return 0;
-
- for (ALL_LIST_ELEMENTS_RO(ext_list, node, ext)) {
- /* Originate As-external-LSA from all type of distribute source.
- */
- rt = ext->external_info;
- if (!rt)
- continue;
-
- for (rn = route_top(rt); rn; rn = route_next(rn)) {
- ei = rn->info;
-
- if (!ei)
- continue;
-
- if (is_prefix_default((struct prefix_ipv4 *)&ei->p))
- continue;
-
- if (!ospf_external_lsa_originate(ospf, ei))
- flog_warn(
- EC_OSPF_LSA_INSTALL_FAILURE,
- "LSA: AS-external-LSA was not originated.");
- }
- }
-
- return 0;
-}
-
static struct external_info *ospf_default_external_info(struct ospf *ospf)
{
int type;
return NULL;
}
-int ospf_default_originate_timer(struct thread *thread)
+void ospf_external_lsa_rid_change(struct ospf *ospf)
{
- struct prefix_ipv4 p;
- struct in_addr nexthop;
struct external_info *ei;
- struct ospf *ospf;
+ int type;
- ospf = THREAD_ARG(thread);
+ for (type = 0; type < ZEBRA_ROUTE_MAX; type++) {
+ struct route_node *rn;
+ struct route_table *rt;
+ struct list *ext_list;
+ struct listnode *node;
+ struct ospf_external *ext;
- p.family = AF_INET;
- p.prefix.s_addr = 0;
- p.prefixlen = 0;
+ ext_list = ospf->external[type];
+ if (!ext_list)
+ continue;
- if (ospf->default_originate == DEFAULT_ORIGINATE_ALWAYS) {
- /* If there is no default route via redistribute,
- then originate AS-external-LSA with nexthop 0 (self). */
- nexthop.s_addr = 0;
- ospf_external_info_add(ospf, DEFAULT_ROUTE, 0, p, 0, nexthop,
- 0);
- }
+ for (ALL_LIST_ELEMENTS_RO(ext_list, node, ext)) {
+ /* Originate As-external-LSA from all type of
+ * distribute source.
+ */
+ rt = ext->external_info;
+ if (!rt)
+ continue;
- if ((ei = ospf_default_external_info(ospf)))
- ospf_external_lsa_originate(ospf, ei);
+ for (rn = route_top(rt); rn; rn = route_next(rn)) {
+ ei = rn->info;
- return 0;
+ if (!ei)
+ continue;
+
+ if (is_prefix_default(
+ (struct prefix_ipv4 *)&ei->p))
+ continue;
+
+ if (!ospf_external_lsa_originate(ospf, ei))
+ flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
+ "LSA: AS-external-LSA was not originated.");
+ }
+ }
+ }
+
+ ei = ospf_default_external_info(ospf);
+ if (ei && !ospf_external_lsa_originate(ospf, ei)) {
+ flog_warn(EC_OSPF_LSA_INSTALL_FAILURE,
+ "LSA: AS-external-LSA for default route was not originated.");
+ }
}
/* Flush any NSSA LSAs for given prefix */
ei = ospf_default_external_info(ospf);
lsa = ospf_external_info_find_lsa(ospf, &p);
- if (ei) {
- if (lsa) {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug(
- "LSA[Type5:0.0.0.0]: Refresh AS-external-LSA %p",
- (void *)lsa);
- ospf_external_lsa_refresh(ospf, lsa, ei,
- LSA_REFRESH_FORCE);
- } else {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug(
- "LSA[Type5:0.0.0.0]: Originate AS-external-LSA");
- ospf_external_lsa_originate(ospf, ei);
- }
- } else {
- if (lsa) {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug(
- "LSA[Type5:0.0.0.0]: Flush AS-external-LSA");
- ospf_refresher_unregister_lsa(ospf, lsa);
- ospf_lsa_flush_as(ospf, lsa);
- }
- }
-}
-
-void ospf_default_originate_lsa_update(struct ospf *ospf)
-{
- struct prefix_ipv4 p;
- struct ospf_lsa *lsa;
-
- p.family = AF_INET;
- p.prefixlen = 0;
- p.prefix.s_addr = 0;
-
- lsa = ospf_external_info_find_lsa(ospf, &p);
- if (lsa && IS_LSA_MAXAGE(lsa)) {
- ospf_discard_from_db(ospf, lsa->lsdb, lsa);
- ospf_lsdb_delete(lsa->lsdb, lsa);
+ if (ei && lsa) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("LSA[Type5:0.0.0.0]: Refresh AS-external-LSA %p",
+ (void *)lsa);
+ ospf_external_lsa_refresh(ospf, lsa, ei, LSA_REFRESH_FORCE);
+ } else if (ei && !lsa) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "LSA[Type5:0.0.0.0]: Originate AS-external-LSA");
+ ospf_external_lsa_originate(ospf, ei);
+ } else if (lsa) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("LSA[Type5:0.0.0.0]: Flush AS-external-LSA");
+ ospf_external_lsa_flush(ospf, DEFAULT_ROUTE, &p, 0);
}
}
#if 0
/* These don't exist yet... */
ospf_summary_incremental_update(new);
- /* Isn't this done by the above call?
+ /* Isn't this done by the above call?
- RFC 2328 Section 16.5 implies it should be */
/* ospf_ase_calculate_schedule(); */
#else /* #if 0 */
return 0;
}
-#ifdef ORIGINAL_CODING
-void ospf_lsa_flush_self_originated(struct ospf_neighbor *nbr,
- struct ospf_lsa *self, struct ospf_lsa *new)
-{
- uint32_t seqnum;
-
- /* Adjust LS Sequence Number. */
- seqnum = ntohl(new->data->ls_seqnum) + 1;
- self->data->ls_seqnum = htonl(seqnum);
-
- /* Recalculate LSA checksum. */
- ospf_lsa_checksum(self->data);
-
- /* Reflooding LSA. */
- /* RFC2328 Section 13.3
- On non-broadcast networks, separate Link State Update
- packets must be sent, as unicasts, to each adjacent neighbor
- (i.e., those in state Exchange or greater). The destination
- IP addresses for these packets are the neighbors' IP
- addresses. */
- if (nbr->oi->type == OSPF_IFTYPE_NBMA) {
- struct route_node *rn;
- struct ospf_neighbor *onbr;
-
- for (rn = route_top(nbr->oi->nbrs); rn; rn = route_next(rn))
- if ((onbr = rn->info) != NULL)
- if (onbr != nbr->oi->nbr_self
- && onbr->status >= NSM_Exchange)
- ospf_ls_upd_send_lsa(
- onbr, self,
- OSPF_SEND_PACKET_DIRECT);
- } else
- ospf_ls_upd_send_lsa(nbr, self, OSPF_SEND_PACKET_INDIRECT);
-
- if (IS_DEBUG_OSPF(lsa, LSA_GENERATE))
- zlog_debug("LSA[Type%d:%s]: Flush self-originated LSA",
- self->data->type, inet_ntoa(self->data->id));
-}
-#else /* ORIGINAL_CODING */
int ospf_lsa_flush_schedule(struct ospf *ospf, struct ospf_lsa *lsa)
{
if (lsa == NULL || !IS_LSA_SELF(lsa))
return;
}
-#endif /* ORIGINAL_CODING */
/* If there is self-originated LSA, then return 1, otherwise return 0. */
/* An interface-independent version of ospf_lsa_is_self_originated */
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