diff options
Diffstat (limited to 'usr.sbin/ospfd/rde_lsdb.c')
| -rw-r--r-- | usr.sbin/ospfd/rde_lsdb.c | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/usr.sbin/ospfd/rde_lsdb.c b/usr.sbin/ospfd/rde_lsdb.c index 82e6d78f859..d860c260ce1 100644 --- a/usr.sbin/ospfd/rde_lsdb.c +++ b/usr.sbin/ospfd/rde_lsdb.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rde_lsdb.c,v 1.41 2008/11/24 18:28:02 claudio Exp $ */ +/* $OpenBSD: rde_lsdb.c,v 1.42 2009/01/07 21:16:36 claudio Exp $ */ /* * Copyright (c) 2004, 2005 Claudio Jeker <claudio@openbsd.org> @@ -713,6 +713,52 @@ lsa_remove_invalid_sums(struct area *area) } } +void +lsa_generate_stub_sums(struct area *area) +{ + struct rt_node rn; + struct redistribute *r; + struct vertex *v; + struct lsa *lsa; + struct area *back; + + if (!area->stub) + return; + + back = rde_backbone_area(); + if (!back || !back->active) + return; + + SIMPLEQ_FOREACH(r, &area->redist_list, entry) { + bzero(&rn, sizeof(rn)); + if (r->type == REDIST_DEFAULT) { + /* setup fake rt_node */ + rn.prefixlen = 0; + rn.prefix.s_addr = INADDR_ANY; + rn.cost = r->metric & LSA_METRIC_MASK; + + /* update lsa but only if it was changed */ + v = lsa_find(area, LSA_TYPE_SUM_NETWORK, + rn.prefix.s_addr, rde_router_id()); + lsa = orig_sum_lsa(&rn, area, LSA_TYPE_SUM_NETWORK, 0); + lsa_merge(rde_nbr_self(area), lsa, v); + + if (v == NULL) + v = lsa_find(area, LSA_TYPE_SUM_NETWORK, + rn.prefix.s_addr, rde_router_id()); + + /* + * suppressed/deleted routes are not found in the + * second lsa_find + */ + if (v) + v->cost = rn.cost; + return; + } else if (r->type == (REDIST_DEFAULT | REDIST_NO)) + return; + } +} + int lsa_equal(struct lsa *a, struct lsa *b) { |