diff options
Diffstat (limited to 'proto/ospf')
| -rw-r--r-- | proto/ospf/topology.c | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c index 419a395..1d6b06e 100644 --- a/proto/ospf/topology.c +++ b/proto/ospf/topology.c @@ -20,6 +20,8 @@ #define HASH_LO_STEP 2 #define HASH_LO_MIN 8 +int ptp_unnumbered_stub_lsa = 0; + static void * originate_rt_lsa_body(struct ospf_area *oa, u16 * length) { @@ -28,7 +30,7 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 * length) int j = 0, k = 0; u16 i = 0; struct ospf_lsa_rt *rt; - struct ospf_lsa_rt_link *ln; + struct ospf_lsa_rt_link *ln, *ln_after; struct ospf_neighbor *neigh; DBG("%s: Originating RT_lsa body for area \"%I\".\n", po->proto.name, @@ -39,6 +41,9 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 * length) if ((ifa->oa == oa) && (ifa->state != OSPF_IS_DOWN)) { i++; + if ((ifa->type == OSPF_IT_PTP) && (ifa->state == OSPF_IS_PTP) && + (ptp_unnumbered_stub_lsa || !(ifa->iface->addr->flags & IA_UNNUMBERED))) + i++; } } rt = mb_allocz(po->proto.pool, sizeof(struct ospf_lsa_rt) + @@ -48,6 +53,7 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 * length) if ((po->ebit) && (!oa->stub)) rt->veb.bit.e = 1; ln = (struct ospf_lsa_rt_link *) (rt + 1); + ln_after = ln + i; WALK_LIST(ifa, po->iface_list) { @@ -61,6 +67,9 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 * length) if ((ifa->oa != oa) || (ifa->state == OSPF_IS_DOWN)) continue; + if (ln == ln_after) + die("LSA space overflow"); + if (ifa->state == OSPF_IS_LOOP) { ln->type = 3; @@ -81,7 +90,7 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 * length) ln->id = neigh->rid; ln->metric = ifa->cost; ln->notos = 0; - if (ifa->iface->flags && IA_UNNUMBERED) + if (ifa->iface->addr->flags & IA_UNNUMBERED) { ln->data = ifa->iface->index; } @@ -92,19 +101,30 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 * length) } else { - if (ifa->state == OSPF_IS_PTP) + ln--; + i--; /* No link added */ + } + + if ((ifa->state == OSPF_IS_PTP) && + (ptp_unnumbered_stub_lsa || !(ifa->iface->addr->flags & IA_UNNUMBERED))) + { + ln++; + if (ln == ln_after) + die("LSA space overflow"); + + ln->type = LSART_STUB; + ln->metric = ifa->cost; + ln->notos = 0; + if (ifa->iface->addr->flags & IA_UNNUMBERED) { - ln->type = LSART_STUB; - ln->id = ln->id = ipa_to_u32(ifa->iface->addr->opposite); - ln->metric = ifa->cost; - ln->notos = 0; + ln->id = ipa_to_u32(ifa->iface->addr->opposite); ln->data = 0xffffffff; } else - { - ln--; - i--; /* No link added */ - } + { + ln->data = ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen)); + ln->id = ipa_to_u32(ifa->iface->addr->prefix) & ln->data; + } } break; case OSPF_IT_BCAST: |