diff options
Diffstat (limited to 'ospfd/ospf_lsa.c')
| -rw-r--r-- | ospfd/ospf_lsa.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/ospfd/ospf_lsa.c b/ospfd/ospf_lsa.c index 5b63a76d..6d7af058 100644 --- a/ospfd/ospf_lsa.c +++ b/ospfd/ospf_lsa.c @@ -589,6 +589,44 @@ lsa_link_virtuallink_set (struct stream *s, struct ospf_interface *oi) #define lsa_link_nbma_set(S,O) lsa_link_broadcast_set (S, O) +/* this function add for support point-to-multipoint ,see rfc2328 +12.4.1.4.*/ +/* from "edward rrr" <edward_rrr@hotmail.com> + http://marc.theaimsgroup.com/?l=zebra&m=100739222210507&w=2 */ +int lsa_link_ptomultip_set (struct stream *s, struct ospf_interface *oi) +{ + int links = 0; + struct route_node *rn; + struct ospf_neighbor *nbr = NULL; + struct in_addr id, mask; + + mask.s_addr = 0xffffffff; + id.s_addr = oi->address->u.prefix4.s_addr; + link_info_set (s, id, mask, LSA_LINK_TYPE_STUB, 0, 0); + links++; + + zlog_info ("PointToMultipoint: running ptomultip_set"); + + /* Search neighbor, */ + for (rn = route_top (oi->nbrs); rn; rn = route_next (rn)) + if ((nbr = rn->info) != NULL) + /* Ignore myself. */ + if (!IPV4_ADDR_SAME (&nbr->router_id, &ospf_top->router_id)) + if (nbr->state == NSM_Full) + + { + + link_info_set (s, nbr->router_id, oi->address->u.prefix4, + LSA_LINK_TYPE_POINTOPOINT, 0, oi->output_cost); + links++; + zlog_info ("PointToMultipoint: set link to %s", + inet_ntoa(oi->address->u.prefix4)); + } + + return links; + +} + /* Set router-LSA link information. */ int router_lsa_link_set (struct stream *s, struct ospf_area *area) @@ -619,7 +657,7 @@ router_lsa_link_set (struct stream *s, struct ospf_area *area) links += lsa_link_nbma_set (s, oi); break; case OSPF_IFTYPE_POINTOMULTIPOINT: - /* Not supproted yet. */ + links += lsa_link_ptomultip_set (s, oi); break; case OSPF_IFTYPE_VIRTUALLINK: links += lsa_link_virtuallink_set (s, oi); |