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Diffstat (limited to 'proto/ospf/topology.c')
-rw-r--r--proto/ospf/topology.c82
1 files changed, 8 insertions, 74 deletions
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c
index be9e434a..8f7563b2 100644
--- a/proto/ospf/topology.c
+++ b/proto/ospf/topology.c
@@ -81,10 +81,14 @@ fibnode_to_lsaid(struct proto_ospf *po, struct fib_node *fn)
static inline u32
fibnode_to_lsaid(struct proto_ospf *po, struct fib_node *fn)
{
- /* In OSPFv3, it is simpler. There is not a requirement
- for membership of the result in input network, so we
- just use hash-based unique ID. */
-
+ /*
+ * In OSPFv3, it is simpler. There is not a requirement for
+ * membership of the result in the input network, so we just use a
+ * hash-based unique ID of a routing table entry for a route that
+ * originated given LSA. For ext-LSA, it is an imported route in the
+ * nest's routing table (p->table). For summary-LSA, it is a
+ * 'source' route in the protocol internal routing table (po->rtf).
+ */
return fn->uid;
}
@@ -769,17 +773,6 @@ originate_sum_rt_lsa(struct ospf_area *oa, struct fib_node *fn, int metric, u32
ospf_lsupd_flood(po, NULL, NULL, &lsa, dom, 1);
}
-
-void
-originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metric, u32 options)
-{
- if (type == ORT_NET)
- originate_sum_net_lsa(oa, fn, metric);
- else
- originate_sum_rt_lsa(oa, fn, metric, options);
-}
-
-
void
flush_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type)
{
@@ -823,65 +816,6 @@ flush_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type)
}
-void
-check_sum_lsa(struct proto_ospf *po, ort *nf, int dest)
-{
- struct ospf_area *oa;
- int flush, mlen;
- ip_addr ip;
-
- if (po->areano < 2) return;
-
- if ((nf->n.type > RTS_OSPF_IA) && (nf->o.type > RTS_OSPF_IA)) return;
-
-#ifdef LOCAL_DEBUG
- DBG("Checking...dest = %d, %I/%d\n", dest, nf->fn.prefix, nf->fn.pxlen);
- if (nf->n.oa) DBG("New: met=%d, oa=%d\n", nf->n.metric1, nf->n.oa->areaid);
- if (nf->o.oa) DBG("Old: met=%d, oa=%d\n", nf->o.metric1, nf->o.oa->areaid);
-#endif
-
- WALK_LIST(oa, po->area_list)
- {
- flush = 0;
- if ((nf->n.metric1 >= LSINFINITY) || (nf->n.type > RTS_OSPF_IA))
- flush = 1;
- if ((dest == ORT_ROUTER) && (!(nf->n.options & ORTA_ASBR)))
- flush = 1;
- if ((!nf->n.oa) || (nf->n.oa->areaid == oa->areaid))
- flush = 1;
-
- if (nf->n.ifa) {
- if (nf->n.ifa->oa->areaid == oa->areaid)
- flush = 1;
- }
- else flush = 1;
-
- /* Don't send summary into stub areas
- * We send just default route (and later) */
- if (oa->stub)
- flush = 1;
-
- mlen = nf->fn.pxlen;
- ip = ipa_and(nf->fn.prefix, ipa_mkmask(mlen));
-
- if ((oa == po->backbone) && (nf->n.type == RTS_OSPF_IA))
- flush = 1; /* Only intra-area can go to the backbone */
-
- if ((!flush) && (dest == ORT_NET) && fib_route(&nf->n.oa->net_fib, ip, mlen))
- {
- /* The route fits into area networks */
- flush = 1;
- if ((nf->n.oa == po->backbone) && (oa->trcap)) flush = 0;
- }
-
- if (flush)
- flush_sum_lsa(oa, &nf->fn, dest);
- else
- originate_sum_lsa(oa, &nf->fn, dest, nf->n.metric1, nf->n.options);
- }
-}
-
-
static void *
originate_ext_lsa_body(net *n, rte *e, u16 *length, struct proto_ospf *po,
struct ea_list *attrs)