diff options
Diffstat (limited to 'proto/ospf')
| -rw-r--r-- | proto/ospf/rt.c | 14 | ||||
| -rw-r--r-- | proto/ospf/topology.c | 21 |
2 files changed, 28 insertions, 7 deletions
diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c index 653e594..c2f7ca0 100644 --- a/proto/ospf/rt.c +++ b/proto/ospf/rt.c @@ -1049,10 +1049,24 @@ again2: if ((oa == po->backbone) && oaa->trcap) fl = 1; + if (oaa->stub) fl = 1; + if(fl) flush_sum_lsa(oaa, &anet->fn, ORT_NET); else originate_sum_lsa(oaa, &anet->fn, ORT_NET, anet->metric); } } FIB_WALK_END; + + /* Check default summary LSA for stub areas + * just for router connected to backbone */ + if (po->backbone) + { + struct fib_node fnn; + + fnn.prefix = IPA_NONE; + fnn.pxlen = 0; + if(oa->stub) originate_sum_lsa(oa, &fnn, ORT_NET, oa->stub); + else flush_sum_lsa(oa, &fnn, ORT_NET); + } } } diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c index 43dbc7d..34fc316 100644 --- a/proto/ospf/topology.c +++ b/proto/ospf/topology.c @@ -441,6 +441,7 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri u32 rtid = po->proto.cf->global->router_id; struct ospf_lsa_header lsa; int i, max, mlen = fn->pxlen, free = 0; + u32 freeid = 0xFFFF; struct ospf_lsa_sum *sum = NULL; union ospf_lsa_sum_tm *tm; lsa.type = LSA_T_SUM_NET; @@ -464,7 +465,11 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri lsa.id = ipa_to_u32(fn->prefix) + i; if ((en = ospf_hash_find_header(po->gr, oa->areaid, &lsa)) == NULL) { - if (!free) free = lsa.id; + if (!free) + { + freeid = lsa.id; + free = 1; + } } else { @@ -472,9 +477,10 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri if (mlen == ipa_mklen(sum->netmask)) { tm = (union ospf_lsa_sum_tm *) (sum + 1); - if (tm->metric == (unsigned)metric) return; /* No reason for origination */ + if (tm->metric == (unsigned) metric) return; /* No reason for origination */ lsa.sn = en->lsa.sn + 1; - free = en->lsa.id; + freeid = en->lsa.id; + free = 1; break; } } @@ -486,7 +492,7 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri fn->pxlen, max); return; } - lsa.id = free; + lsa.id = freeid; OSPF_TRACE(D_EVENTS, "Originating summary (type %d) lsa for %I/%d (met %d).", lsa.type, fn->prefix, fn->pxlen, metric); @@ -537,10 +543,11 @@ check_sum_lsa(struct proto_ospf *po, ort *nf, int dest) } else flush = 1; - if ((dest == ORT_ROUTER) && oa->stub) + /* Don't send summary into stub areas + * We send just default route (and later) */ + if (oa->stub) flush = 1; - /* FIXME stub for networks? */ - + mlen = nf->fn.pxlen; ip = ipa_and(nf->fn.prefix, ipa_mkmask(mlen)); |