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-rw-r--r--proto/ospf/ospf.c22
-rw-r--r--proto/ospf/ospf.h4
-rw-r--r--proto/ospf/topology.c60
3 files changed, 84 insertions, 2 deletions
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index 1714992..7e04a51 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -68,6 +68,7 @@ ospf_init(struct proto_config *c)
init_list(&(po->iface_list));
init_list(&(po->area_list));
p->import_control = ospf_import_control;
+ p->rt_notify = ospf_rt_notify;
return p;
}
@@ -120,7 +121,6 @@ ospf_postconfig(struct proto_config *c)
int
ospf_import_control(struct proto *p, rte **new, ea_list **attrs, struct linpool *pool)
{
- int i;
rte *e=*new;
struct proto_ospf *po=(struct proto_ospf *)p;
@@ -129,6 +129,26 @@ ospf_import_control(struct proto *p, rte **new, ea_list **attrs, struct linpool
return 0;
}
+void
+ospf_rt_notify(struct proto *p, net *n, rte *new, rte *old, ea_list *attrs)
+{
+ struct proto_ospf *po=(struct proto_ospf *)p;
+
+ debug("%s: Got route %I/%d %s\n", p->name, n->n.prefix,
+ n->n.pxlen, new ? "up" : "down");
+
+ if(new) /* Got some new route */
+ {
+ int i;
+ /* Originate new external LSA */
+ }
+ else
+ {
+ int i;
+ /* Flush some old external LSA */
+ }
+}
+
struct protocol proto_ospf = {
name: "OSPF",
template: "ospf%d",
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h
index c7b48d0..4aea135 100644
--- a/proto/ospf/ospf.h
+++ b/proto/ospf/ospf.h
@@ -351,7 +351,9 @@ static void ospf_preconfig(struct protocol *p, struct config *c);
static void ospf_postconfig(struct proto_config *c);
static int ospf_rte_better(struct rte *new, struct rte *old);
static int ospf_rte_same(struct rte *new, struct rte *old);
-int ospf_import_control(struct proto *p, rte **new, ea_list **attrs, struct linpool *pool);
+int ospf_import_control(struct proto *p, rte **new, ea_list **attrs,
+ struct linpool *pool);
+void ospf_rt_notify(struct proto *p, net *n, rte *new, rte *old,ea_list *attrs);
#include "proto/ospf/hello.h"
#include "proto/ospf/packet.h"
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c
index d80d3c8..c02b0b7 100644
--- a/proto/ospf/topology.c
+++ b/proto/ospf/topology.c
@@ -319,6 +319,66 @@ originate_net_lsa(struct ospf_iface *ifa, struct proto_ospf *po)
flood_lsa(NULL,NULL,&ifa->nlsa->lsa,po,NULL,ifa->oa);
}
+void *
+originate_ext_lsa_body(net *n, rte *e, struct proto_ospf *po)
+{
+ struct proto *p=&po->proto;
+ struct ospf_lsa_ext *ext;
+ struct ospf_lsa_ext_tos *et;
+ neighbor *nn;
+
+ ext=mb_alloc(p->pool,sizeof(struct ospf_lsa_ext)+
+ sizeof(struct ospf_lsa_ext_tos));
+ ext->netmask=ipa_mkmask(n->n.pxlen);
+
+ et=(struct ospf_lsa_ext_tos *)(ext+1);
+ if(e->u.ospf.metric2!=0)
+ {
+ et->etos=0;
+ et->metric=e->u.ospf.metric1;
+ }
+ else
+ {
+ et->etos=1;
+ et->metric=e->u.ospf.metric2;
+ }
+ et->padding=0;
+ et->tag=e->u.ospf.tag;
+ if(1) et->fwaddr= ipa_from_u32(0); /* FIXME if e->attrs->iface is not in my AS*/
+ else et->fwaddr=e->attrs->gw;
+ return ext;
+}
+
+void
+originate_ext_lsa(net *n, rte *e, u16 *len, struct proto_ospf *po)
+{
+ struct ospf_lsa_header lsa;
+ u32 rtid=po->proto.cf->global->router_id;
+ struct top_hash_entry *en=NULL;
+ void *body=NULL;
+ struct ospf_iface *ifa;
+
+ debug("%s: Originating Ext lsa for %I/%d.\n", po->proto.name, n->n.prefix,
+ n->n.pxlen);
+
+ lsa.age=0;
+ lsa.id=ipa_to_u32(n->n.prefix);
+ lsa.type=LSA_T_EXT;
+ lsa.rt=rtid;
+ lsa.sn=LSA_INITSEQNO;
+ body=originate_ext_lsa_body(n, e, po);
+ lsa.length=sizeof(struct ospf_lsa_ext)+sizeof(struct ospf_lsa_ext_tos)+
+ sizeof(struct ospf_lsa_header);
+ lsasum_calculate(&lsa,body,po);
+ WALK_LIST(ifa, po->iface_list)
+ {
+ en=lsa_install_new(&lsa, body, ifa->oa, &po->proto);
+ }
+ if(en==NULL) die("Some bug in Ext lsa generating\n");
+ flood_lsa(NULL,NULL,&en->lsa,po,NULL,ifa->oa);
+}
+
+
static void
ospf_top_ht_alloc(struct top_graph *f)
{