* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with GNU Zebra; see the file COPYING. If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
/* Remove external route. */
-void
-ospf_external_route_remove (struct ospf *ospf, struct prefix_ipv4 *p)
+void ospf_external_route_remove(struct ospf *ospf, struct prefix_ipv4 *p)
{
- struct route_node *rn;
- struct ospf_route *or;
-
- rn = route_node_lookup (ospf->old_external_route, (struct prefix *) p);
- if (rn)
- if ((or = rn->info))
- {
- zlog_info ("Route[%s/%d]: external path deleted",
- inet_ntoa (p->prefix), p->prefixlen);
-
- /* Remove route from zebra. */
- if (or->type == OSPF_DESTINATION_NETWORK)
- ospf_zebra_delete ((struct prefix_ipv4 *) &rn->p, or);
-
- ospf_route_free (or);
- rn->info = NULL;
-
- route_unlock_node (rn);
- route_unlock_node (rn);
- return;
- }
-
- zlog_info ("Route[%s/%d]: no such external path",
- inet_ntoa (p->prefix), p->prefixlen);
+ struct route_node *rn;
+ struct ospf_route * or ;
+
+ rn = route_node_lookup(ospf->old_external_route, (struct prefix *)p);
+ if (rn)
+ if ((or = rn->info)) {
+ zlog_info("Route[%s/%d]: external path deleted",
+ inet_ntoa(p->prefix), p->prefixlen);
+
+ /* Remove route from zebra. */
+ if (or->type == OSPF_DESTINATION_NETWORK)
+ ospf_zebra_delete(
+ ospf, (struct prefix_ipv4 *)&rn->p, or);
+
+ ospf_route_free(or);
+ rn->info = NULL;
+
+ route_unlock_node(rn);
+ route_unlock_node(rn);
+ return;
+ }
+
+ zlog_info("Route[%s/%d]: no such external path", inet_ntoa(p->prefix),
+ p->prefixlen);
}
-/* Lookup external route. */
-struct ospf_route *
-ospf_external_route_lookup (struct ospf *ospf,
- struct prefix_ipv4 *p)
-{
- struct route_node *rn;
-
- rn = route_node_lookup (ospf->old_external_route, (struct prefix *) p);
- if (rn)
- {
- route_unlock_node (rn);
- if (rn->info)
- return rn->info;
- }
-
- zlog_warn ("Route[%s/%d]: lookup, no such prefix",
- inet_ntoa (p->prefix), p->prefixlen);
-
- return NULL;
-}
-
-
/* Add an External info for AS-external-LSA. */
-struct external_info *
-ospf_external_info_new (u_char type, u_short instance)
+struct external_info *ospf_external_info_new(uint8_t type,
+ unsigned short instance)
{
- struct external_info *new;
+ struct external_info *new;
- new = (struct external_info *)
- XCALLOC (MTYPE_OSPF_EXTERNAL_INFO, sizeof (struct external_info));
- new->type = type;
- new->instance = instance;
+ new = (struct external_info *)XCALLOC(MTYPE_OSPF_EXTERNAL_INFO,
+ sizeof(struct external_info));
+ new->type = type;
+ new->instance = instance;
- ospf_reset_route_map_set_values (&new->route_map_set);
- return new;
+ ospf_reset_route_map_set_values(&new->route_map_set);
+ return new;
}
-static void
-ospf_external_info_free (struct external_info *ei)
+static void ospf_external_info_free(struct external_info *ei)
{
- XFREE (MTYPE_OSPF_EXTERNAL_INFO, ei);
+ XFREE(MTYPE_OSPF_EXTERNAL_INFO, ei);
}
-void
-ospf_reset_route_map_set_values (struct route_map_set_values *values)
+void ospf_reset_route_map_set_values(struct route_map_set_values *values)
{
- values->metric = -1;
- values->metric_type = -1;
+ values->metric = -1;
+ values->metric_type = -1;
}
-int
-ospf_route_map_set_compare (struct route_map_set_values *values1,
- struct route_map_set_values *values2)
+int ospf_route_map_set_compare(struct route_map_set_values *values1,
+ struct route_map_set_values *values2)
{
- return values1->metric == values2->metric &&
- values1->metric_type == values2->metric_type;
+ return values1->metric == values2->metric
+ && values1->metric_type == values2->metric_type;
}
/* Add an External info for AS-external-LSA. */
struct external_info *
-ospf_external_info_add (u_char type, u_short instance, struct prefix_ipv4 p,
- ifindex_t ifindex, struct in_addr nexthop,
- route_tag_t tag)
+ospf_external_info_add(struct ospf *ospf, uint8_t type, unsigned short instance,
+ struct prefix_ipv4 p, ifindex_t ifindex,
+ struct in_addr nexthop, route_tag_t tag)
{
- struct external_info *new;
- struct route_node *rn;
- struct ospf_external *ext;
- char inetbuf[INET6_BUFSIZ];
-
- ext = ospf_external_lookup(type, instance);
- if (!ext)
- ext = ospf_external_add(type, instance);
-
- rn = route_node_get (EXTERNAL_INFO (ext), (struct prefix *) &p);
- /* If old info exists, -- discard new one or overwrite with new one? */
- if (rn)
- if (rn->info)
- {
- new = rn->info;
- if ((new->ifindex == ifindex) &&
- (new->nexthop.s_addr == nexthop.s_addr) && (new->tag == tag))
- {
- route_unlock_node(rn);
- return NULL; /* NULL => no LSA to refresh */
- }
-
- inet_ntop(AF_INET, (void *)&nexthop.s_addr, inetbuf, INET6_BUFSIZ);
- zlog_warn ("Redistribute[%s][%d]: %s/%d discarding old info with NH %s.",
- ospf_redist_string(type), instance,
- inet_ntoa (p.prefix), p.prefixlen, inetbuf);
- XFREE (MTYPE_OSPF_EXTERNAL_INFO, rn->info);
- rn->info = NULL;
- }
-
- /* Create new External info instance. */
- new = ospf_external_info_new (type, instance);
- new->p = p;
- new->ifindex = ifindex;
- new->nexthop = nexthop;
- new->tag = tag;
-
- /* we don't unlock rn from the get() because we're attaching the info */
- if (rn)
- rn->info = new;
-
- if (IS_DEBUG_OSPF (lsa, LSA_GENERATE))
- {
- inet_ntop(AF_INET, (void *)&nexthop.s_addr, inetbuf, INET6_BUFSIZ);
- zlog_debug ("Redistribute[%s]: %s/%d external info created, with NH %s",
- ospf_redist_string(type),
- inet_ntoa (p.prefix), p.prefixlen, inetbuf);
- }
- return new;
+ struct external_info *new;
+ struct route_node *rn;
+ struct ospf_external *ext;
+ char inetbuf[INET6_BUFSIZ];
+
+ ext = ospf_external_lookup(ospf, type, instance);
+ if (!ext)
+ ext = ospf_external_add(ospf, type, instance);
+
+ rn = route_node_get(EXTERNAL_INFO(ext), (struct prefix *)&p);
+ /* If old info exists, -- discard new one or overwrite with new one? */
+ if (rn)
+ if (rn->info) {
+ new = rn->info;
+ if ((new->ifindex == ifindex)
+ && (new->nexthop.s_addr == nexthop.s_addr)
+ && (new->tag == tag)) {
+ route_unlock_node(rn);
+ return NULL; /* NULL => no LSA to refresh */
+ }
+
+ inet_ntop(AF_INET, (void *)&nexthop.s_addr, inetbuf,
+ INET6_BUFSIZ);
+ if (IS_DEBUG_OSPF(lsa, LSA_GENERATE))
+ zlog_debug(
+ "Redistribute[%s][%d][%u]: %s/%d discarding old info with NH %s.",
+ ospf_redist_string(type), instance,
+ ospf->vrf_id, inet_ntoa(p.prefix),
+ p.prefixlen, inetbuf);
+ XFREE(MTYPE_OSPF_EXTERNAL_INFO, rn->info);
+ rn->info = NULL;
+ }
+
+ /* Create new External info instance. */
+ new = ospf_external_info_new(type, instance);
+ new->p = p;
+ new->ifindex = ifindex;
+ new->nexthop = nexthop;
+ new->tag = tag;
+
+ /* we don't unlock rn from the get() because we're attaching the info */
+ if (rn)
+ rn->info = new;
+
+ if (IS_DEBUG_OSPF(lsa, LSA_GENERATE)) {
+ inet_ntop(AF_INET, (void *)&nexthop.s_addr, inetbuf,
+ INET6_BUFSIZ);
+ zlog_debug(
+ "Redistribute[%s][%u]: %s/%d external info created, with NH %s",
+ ospf_redist_string(type), ospf->vrf_id,
+ inet_ntoa(p.prefix), p.prefixlen, inetbuf);
+ }
+ return new;
}
-void
-ospf_external_info_delete (u_char type, u_short instance, struct prefix_ipv4 p)
+void ospf_external_info_delete(struct ospf *ospf, uint8_t type,
+ unsigned short instance, struct prefix_ipv4 p)
{
- struct route_node *rn;
- struct ospf_external *ext;
-
- ext = ospf_external_lookup(type, instance);
- if (!ext)
- return;
-
- rn = route_node_lookup (EXTERNAL_INFO (ext), (struct prefix *) &p);
- if (rn)
- {
- ospf_external_info_free (rn->info);
- rn->info = NULL;
- route_unlock_node (rn);
- route_unlock_node (rn);
- }
+ struct route_node *rn;
+ struct ospf_external *ext;
+
+ ext = ospf_external_lookup(ospf, type, instance);
+ if (!ext)
+ return;
+
+ rn = route_node_lookup(EXTERNAL_INFO(ext), (struct prefix *)&p);
+ if (rn) {
+ ospf_external_info_free(rn->info);
+ rn->info = NULL;
+ route_unlock_node(rn);
+ route_unlock_node(rn);
+ }
}
-struct external_info *
-ospf_external_info_lookup (u_char type, u_short instance, struct prefix_ipv4 *p)
+struct external_info *ospf_external_info_lookup(struct ospf *ospf, uint8_t type,
+ unsigned short instance,
+ struct prefix_ipv4 *p)
{
- struct route_node *rn;
- struct ospf_external *ext;
-
- ext = ospf_external_lookup(type, instance);
- if (!ext)
- return NULL;
-
- rn = route_node_lookup (EXTERNAL_INFO (ext), (struct prefix *) p);
- if (rn)
- {
- route_unlock_node (rn);
- if (rn->info)
- return rn->info;
- }
-
- return NULL;
+ struct route_node *rn;
+ struct ospf_external *ext;
+
+ ext = ospf_external_lookup(ospf, type, instance);
+ if (!ext)
+ return NULL;
+
+ rn = route_node_lookup(EXTERNAL_INFO(ext), (struct prefix *)p);
+ if (rn) {
+ route_unlock_node(rn);
+ if (rn->info)
+ return rn->info;
+ }
+
+ return NULL;
}
-struct ospf_lsa *
-ospf_external_info_find_lsa (struct ospf *ospf,
- struct prefix_ipv4 *p)
+struct ospf_lsa *ospf_external_info_find_lsa(struct ospf *ospf,
+ struct prefix_ipv4 *p)
{
- struct ospf_lsa *lsa;
- struct as_external_lsa *al;
- struct in_addr mask, id;
+ struct ospf_lsa *lsa;
+ struct as_external_lsa *al;
+ struct in_addr mask, id;
- lsa = ospf_lsdb_lookup_by_id (ospf->lsdb, OSPF_AS_EXTERNAL_LSA,
- p->prefix, ospf->router_id);
+ lsa = ospf_lsdb_lookup_by_id(ospf->lsdb, OSPF_AS_EXTERNAL_LSA,
+ p->prefix, ospf->router_id);
- if (!lsa)
- return NULL;
+ if (!lsa)
+ return NULL;
- al = (struct as_external_lsa *) lsa->data;
+ al = (struct as_external_lsa *)lsa->data;
- masklen2ip (p->prefixlen, &mask);
+ masklen2ip(p->prefixlen, &mask);
- if (mask.s_addr != al->mask.s_addr)
- {
- id.s_addr = p->prefix.s_addr | (~mask.s_addr);
- lsa = ospf_lsdb_lookup_by_id (ospf->lsdb, OSPF_AS_EXTERNAL_LSA,
- id, ospf->router_id);
- if (!lsa)
- return NULL;
- }
+ if (mask.s_addr != al->mask.s_addr) {
+ id.s_addr = p->prefix.s_addr | (~mask.s_addr);
+ lsa = ospf_lsdb_lookup_by_id(ospf->lsdb, OSPF_AS_EXTERNAL_LSA,
+ id, ospf->router_id);
+ if (!lsa)
+ return NULL;
+ }
- return lsa;
+ return lsa;
}
/* Update ASBR status. */
-void
-ospf_asbr_status_update (struct ospf *ospf, u_char status)
+void ospf_asbr_status_update(struct ospf *ospf, uint8_t status)
{
- zlog_info ("ASBR[Status:%d]: Update", status);
-
- /* ASBR on. */
- if (status)
- {
- /* Already ASBR. */
- if (IS_OSPF_ASBR (ospf))
- {
- zlog_info ("ASBR[Status:%d]: Already ASBR", status);
- return;
- }
- SET_FLAG (ospf->flags, OSPF_FLAG_ASBR);
- }
- else
- {
- /* Already non ASBR. */
- if (! IS_OSPF_ASBR (ospf))
- {
- zlog_info ("ASBR[Status:%d]: Already non ASBR", status);
- return;
+ zlog_info("ASBR[Status:%d]: Update", status);
+
+ /* ASBR on. */
+ if (status) {
+ /* Already ASBR. */
+ if (IS_OSPF_ASBR(ospf)) {
+ zlog_info("ASBR[Status:%d]: Already ASBR", status);
+ return;
+ }
+ SET_FLAG(ospf->flags, OSPF_FLAG_ASBR);
+ } else {
+ /* Already non ASBR. */
+ if (!IS_OSPF_ASBR(ospf)) {
+ zlog_info("ASBR[Status:%d]: Already non ASBR", status);
+ return;
+ }
+ UNSET_FLAG(ospf->flags, OSPF_FLAG_ASBR);
}
- UNSET_FLAG (ospf->flags, OSPF_FLAG_ASBR);
- }
- /* Transition from/to status ASBR, schedule timer. */
- ospf_spf_calculate_schedule (ospf, SPF_FLAG_ASBR_STATUS_CHANGE);
- ospf_router_lsa_update (ospf);
+ /* Transition from/to status ASBR, schedule timer. */
+ ospf_spf_calculate_schedule(ospf, SPF_FLAG_ASBR_STATUS_CHANGE);
+ ospf_router_lsa_update(ospf);
}
-void
-ospf_redistribute_withdraw (struct ospf *ospf, u_char type, u_short instance)
+void ospf_redistribute_withdraw(struct ospf *ospf, uint8_t type,
+ unsigned short instance)
{
- struct route_node *rn;
- struct external_info *ei;
- struct ospf_external *ext;
-
- ext = ospf_external_lookup(type, instance);
- if (!ext)
- return;
-
- /* Delete external info for specified type. */
- if (EXTERNAL_INFO (ext))
- for (rn = route_top (EXTERNAL_INFO (ext)); rn; rn = route_next (rn))
- if ((ei = rn->info))
- if (ospf_external_info_find_lsa (ospf, &ei->p))
- {
- if (is_prefix_default (&ei->p) &&
- ospf->default_originate != DEFAULT_ORIGINATE_NONE)
- continue;
- ospf_external_lsa_flush (ospf, type, &ei->p,
- ei->ifindex /*, ei->nexthop */);
-
- ospf_external_info_free (ei);
- route_unlock_node (rn);
- rn->info = NULL;
- }
+ struct route_node *rn;
+ struct external_info *ei;
+ struct ospf_external *ext;
+
+ ext = ospf_external_lookup(ospf, type, instance);
+ if (!ext)
+ return;
+
+ /* Delete external info for specified type. */
+ if (EXTERNAL_INFO(ext))
+ for (rn = route_top(EXTERNAL_INFO(ext)); rn;
+ rn = route_next(rn))
+ if ((ei = rn->info))
+ if (ospf_external_info_find_lsa(ospf, &ei->p)) {
+ if (is_prefix_default(&ei->p)
+ && ospf->default_originate
+ != DEFAULT_ORIGINATE_NONE)
+ continue;
+ ospf_external_lsa_flush(
+ ospf, type, &ei->p,
+ ei->ifindex /*, ei->nexthop */);
+
+ ospf_external_info_free(ei);
+ route_unlock_node(rn);
+ rn->info = NULL;
+ }
}
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