#include "ospfd/ospf_ase.h"
#include "ospfd/ospf_zebra.h"
#include "ospfd/ospf_dump.h"
+#include "ospfd/ospf_errors.h"
-static struct ospf_area_range *
-ospf_area_range_new (struct prefix_ipv4 *p)
+static struct ospf_area_range *ospf_area_range_new(struct prefix_ipv4 *p)
{
- struct ospf_area_range *range;
+ struct ospf_area_range *range;
- range = XCALLOC (MTYPE_OSPF_AREA_RANGE, sizeof (struct ospf_area_range));
- range->addr = p->prefix;
- range->masklen = p->prefixlen;
- range->cost_config = OSPF_AREA_RANGE_COST_UNSPEC;
+ range = XCALLOC(MTYPE_OSPF_AREA_RANGE, sizeof(struct ospf_area_range));
+ range->addr = p->prefix;
+ range->masklen = p->prefixlen;
+ range->cost_config = OSPF_AREA_RANGE_COST_UNSPEC;
- return range;
+ return range;
}
-static void
-ospf_area_range_free (struct ospf_area_range *range)
+static void ospf_area_range_free(struct ospf_area_range *range)
{
- XFREE (MTYPE_OSPF_AREA_RANGE, range);
+ XFREE(MTYPE_OSPF_AREA_RANGE, range);
}
-static void
-ospf_area_range_add (struct ospf_area *area, struct ospf_area_range *range)
+static void ospf_area_range_add(struct ospf_area *area,
+ struct ospf_area_range *range)
{
- struct route_node *rn;
- struct prefix_ipv4 p;
-
- p.family = AF_INET;
- p.prefixlen = range->masklen;
- p.prefix = range->addr;
-
- rn = route_node_get (area->ranges, (struct prefix *)&p);
- if (rn->info)
- route_unlock_node (rn);
- else
- rn->info = range;
+ struct route_node *rn;
+ struct prefix_ipv4 p;
+
+ p.family = AF_INET;
+ p.prefixlen = range->masklen;
+ p.prefix = range->addr;
+ apply_mask_ipv4(&p);
+
+ rn = route_node_get(area->ranges, (struct prefix *)&p);
+ if (rn->info)
+ route_unlock_node(rn);
+ else
+ rn->info = range;
}
-static void
-ospf_area_range_delete (struct ospf_area *area, struct route_node *rn)
+static void ospf_area_range_delete(struct ospf_area *area,
+ struct route_node *rn)
{
- struct ospf_area_range *range = rn->info;
+ struct ospf_area_range *range = rn->info;
- if (range->specifics != 0)
- ospf_delete_discard_route (area->ospf->new_table,
- (struct prefix_ipv4 *) &rn->p);
+ if (range->specifics != 0)
+ ospf_delete_discard_route(area->ospf, area->ospf->new_table,
+ (struct prefix_ipv4 *)&rn->p);
- ospf_area_range_free (range);
- rn->info = NULL;
- route_unlock_node (rn);
- route_unlock_node (rn);
+ ospf_area_range_free(range);
+ rn->info = NULL;
+ route_unlock_node(rn);
+ route_unlock_node(rn);
}
-struct ospf_area_range *
-ospf_area_range_lookup (struct ospf_area *area, struct prefix_ipv4 *p)
+struct ospf_area_range *ospf_area_range_lookup(struct ospf_area *area,
+ struct prefix_ipv4 *p)
{
- struct route_node *rn;
-
- rn = route_node_lookup (area->ranges, (struct prefix *)p);
- if (rn)
- {
- route_unlock_node (rn);
- return rn->info;
- }
- return NULL;
+ struct route_node *rn;
+
+ rn = route_node_lookup(area->ranges, (struct prefix *)p);
+ if (rn) {
+ route_unlock_node(rn);
+ return rn->info;
+ }
+ return NULL;
}
-struct ospf_area_range *
-ospf_area_range_lookup_next (struct ospf_area *area,
- struct in_addr *range_net,
- int first)
+struct ospf_area_range *ospf_area_range_lookup_next(struct ospf_area *area,
+ struct in_addr *range_net,
+ int first)
{
- struct route_node *rn;
- struct prefix_ipv4 p;
- struct ospf_area_range *find;
-
- p.family = AF_INET;
- p.prefixlen = IPV4_MAX_BITLEN;
- p.prefix = *range_net;
-
- if (first)
- rn = route_top (area->ranges);
- else
- {
- rn = route_node_get (area->ranges, (struct prefix *) &p);
- rn = route_next (rn);
- }
-
- for (; rn; rn = route_next (rn))
- if (rn->info)
- break;
-
- if (rn && rn->info)
- {
- find = rn->info;
- *range_net = rn->p.u.prefix4;
- route_unlock_node (rn);
- return find;
- }
- return NULL;
+ struct route_node *rn;
+ struct prefix_ipv4 p;
+ struct ospf_area_range *find;
+
+ p.family = AF_INET;
+ p.prefixlen = IPV4_MAX_BITLEN;
+ p.prefix = *range_net;
+ apply_mask_ipv4(&p);
+
+ if (first)
+ rn = route_top(area->ranges);
+ else {
+ rn = route_node_get(area->ranges, (struct prefix *)&p);
+ rn = route_next(rn);
+ }
+
+ for (; rn; rn = route_next(rn))
+ if (rn->info)
+ break;
+
+ if (rn && rn->info) {
+ find = rn->info;
+ *range_net = rn->p.u.prefix4;
+ route_unlock_node(rn);
+ return find;
+ }
+ return NULL;
}
-static struct ospf_area_range *
-ospf_area_range_match (struct ospf_area *area, struct prefix_ipv4 *p)
+static struct ospf_area_range *ospf_area_range_match(struct ospf_area *area,
+ struct prefix_ipv4 *p)
{
- struct route_node *node;
-
- node = route_node_match (area->ranges, (struct prefix *) p);
- if (node)
- {
- route_unlock_node (node);
- return node->info;
- }
- return NULL;
+ struct route_node *node;
+
+ node = route_node_match(area->ranges, (struct prefix *)p);
+ if (node) {
+ route_unlock_node(node);
+ return node->info;
+ }
+ return NULL;
}
-struct ospf_area_range *
-ospf_area_range_match_any (struct ospf *ospf, struct prefix_ipv4 *p)
+struct ospf_area_range *ospf_area_range_match_any(struct ospf *ospf,
+ struct prefix_ipv4 *p)
{
- struct ospf_area_range *range;
- struct ospf_area *area;
- struct listnode *node;
+ struct ospf_area_range *range;
+ struct ospf_area *area;
+ struct listnode *node;
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- if ((range = ospf_area_range_match (area, p)))
- return range;
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area))
+ if ((range = ospf_area_range_match(area, p)))
+ return range;
- return NULL;
+ return NULL;
}
-int
-ospf_area_range_active (struct ospf_area_range *range)
+int ospf_area_range_active(struct ospf_area_range *range)
{
- return range->specifics;
+ return range->specifics;
}
-static int
-ospf_area_actively_attached (struct ospf_area *area)
+static int ospf_area_actively_attached(struct ospf_area *area)
{
- return area->act_ints;
+ return area->act_ints;
}
-int
-ospf_area_range_set (struct ospf *ospf, struct in_addr area_id,
- struct prefix_ipv4 *p, int advertise)
+int ospf_area_range_set(struct ospf *ospf, struct in_addr area_id,
+ struct prefix_ipv4 *p, int advertise)
{
- struct ospf_area *area;
- struct ospf_area_range *range;
-
- area = ospf_area_get (ospf, area_id);
- if (area == NULL)
- return 0;
-
- range = ospf_area_range_lookup (area, p);
- if (range != NULL)
- {
- if ((CHECK_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE)
- && !CHECK_FLAG (advertise, OSPF_AREA_RANGE_ADVERTISE))
- || (!CHECK_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE)
- && CHECK_FLAG (advertise, OSPF_AREA_RANGE_ADVERTISE)))
- ospf_schedule_abr_task (ospf);
- }
- else
- {
- range = ospf_area_range_new (p);
- ospf_area_range_add (area, range);
- ospf_schedule_abr_task (ospf);
- }
-
- if (CHECK_FLAG (advertise, OSPF_AREA_RANGE_ADVERTISE))
- SET_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE);
- else
- UNSET_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE);
-
- return 1;
+ struct ospf_area *area;
+ struct ospf_area_range *range;
+
+ area = ospf_area_get(ospf, area_id);
+ if (area == NULL)
+ return 0;
+
+ range = ospf_area_range_lookup(area, p);
+ if (range != NULL) {
+ if (!CHECK_FLAG(advertise, OSPF_AREA_RANGE_ADVERTISE))
+ range->cost_config = OSPF_AREA_RANGE_COST_UNSPEC;
+ if ((CHECK_FLAG(range->flags, OSPF_AREA_RANGE_ADVERTISE)
+ && !CHECK_FLAG(advertise, OSPF_AREA_RANGE_ADVERTISE))
+ || (!CHECK_FLAG(range->flags, OSPF_AREA_RANGE_ADVERTISE)
+ && CHECK_FLAG(advertise, OSPF_AREA_RANGE_ADVERTISE)))
+ ospf_schedule_abr_task(ospf);
+ } else {
+ range = ospf_area_range_new(p);
+ ospf_area_range_add(area, range);
+ ospf_schedule_abr_task(ospf);
+ }
+
+ if (CHECK_FLAG(advertise, OSPF_AREA_RANGE_ADVERTISE))
+ SET_FLAG(range->flags, OSPF_AREA_RANGE_ADVERTISE);
+ else {
+ UNSET_FLAG(range->flags, OSPF_AREA_RANGE_ADVERTISE);
+ range->cost_config = OSPF_AREA_RANGE_COST_UNSPEC;
+ }
+
+ return 1;
}
-int
-ospf_area_range_cost_set (struct ospf *ospf, struct in_addr area_id,
- struct prefix_ipv4 *p, u_int32_t cost)
+int ospf_area_range_cost_set(struct ospf *ospf, struct in_addr area_id,
+ struct prefix_ipv4 *p, uint32_t cost)
{
- struct ospf_area *area;
- struct ospf_area_range *range;
+ struct ospf_area *area;
+ struct ospf_area_range *range;
- area = ospf_area_get (ospf, area_id);
- if (area == NULL)
- return 0;
+ area = ospf_area_get(ospf, area_id);
+ if (area == NULL)
+ return 0;
- range = ospf_area_range_lookup (area, p);
- if (range == NULL)
- return 0;
+ range = ospf_area_range_lookup(area, p);
+ if (range == NULL)
+ return 0;
- if (range->cost_config != cost)
- {
- range->cost_config = cost;
- if (ospf_area_range_active (range))
- ospf_schedule_abr_task (ospf);
- }
+ if (range->cost_config != cost) {
+ range->cost_config = cost;
+ if (ospf_area_range_active(range))
+ ospf_schedule_abr_task(ospf);
+ }
- return 1;
+ return 1;
}
-int
-ospf_area_range_unset (struct ospf *ospf, struct in_addr area_id,
- struct prefix_ipv4 *p)
+int ospf_area_range_unset(struct ospf *ospf, struct in_addr area_id,
+ struct prefix_ipv4 *p)
{
- struct ospf_area *area;
- struct route_node *rn;
+ struct ospf_area *area;
+ struct route_node *rn;
- area = ospf_area_lookup_by_area_id (ospf, area_id);
- if (area == NULL)
- return 0;
+ area = ospf_area_lookup_by_area_id(ospf, area_id);
+ if (area == NULL)
+ return 0;
- rn = route_node_lookup (area->ranges, (struct prefix*)p);
- if (rn == NULL)
- return 0;
+ rn = route_node_lookup(area->ranges, (struct prefix *)p);
+ if (rn == NULL)
+ return 0;
- if (ospf_area_range_active (rn->info))
- ospf_schedule_abr_task (ospf);
+ if (ospf_area_range_active(rn->info))
+ ospf_schedule_abr_task(ospf);
- ospf_area_range_delete (area, rn);
+ ospf_area_range_delete(area, rn);
- return 1;
+ return 1;
}
-int
-ospf_area_range_substitute_set (struct ospf *ospf, struct in_addr area_id,
- struct prefix_ipv4 *p, struct prefix_ipv4 *s)
+int ospf_area_range_substitute_set(struct ospf *ospf, struct in_addr area_id,
+ struct prefix_ipv4 *p, struct prefix_ipv4 *s)
{
- struct ospf_area *area;
- struct ospf_area_range *range;
-
- area = ospf_area_get (ospf, area_id);
- range = ospf_area_range_lookup (area, p);
-
- if (range != NULL)
- {
- if (!CHECK_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE) ||
- !CHECK_FLAG (range->flags, OSPF_AREA_RANGE_SUBSTITUTE))
- ospf_schedule_abr_task (ospf);
- }
- else
- {
- range = ospf_area_range_new (p);
- ospf_area_range_add (area, range);
- ospf_schedule_abr_task (ospf);
- }
-
- SET_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE);
- SET_FLAG (range->flags, OSPF_AREA_RANGE_SUBSTITUTE);
- range->subst_addr = s->prefix;
- range->subst_masklen = s->prefixlen;
-
- return 1;
+ struct ospf_area *area;
+ struct ospf_area_range *range;
+
+ area = ospf_area_get(ospf, area_id);
+ range = ospf_area_range_lookup(area, p);
+
+ if (range != NULL) {
+ if (!CHECK_FLAG(range->flags, OSPF_AREA_RANGE_ADVERTISE)
+ || !CHECK_FLAG(range->flags, OSPF_AREA_RANGE_SUBSTITUTE))
+ ospf_schedule_abr_task(ospf);
+ } else {
+ range = ospf_area_range_new(p);
+ ospf_area_range_add(area, range);
+ ospf_schedule_abr_task(ospf);
+ }
+
+ SET_FLAG(range->flags, OSPF_AREA_RANGE_ADVERTISE);
+ SET_FLAG(range->flags, OSPF_AREA_RANGE_SUBSTITUTE);
+ range->subst_addr = s->prefix;
+ range->subst_masklen = s->prefixlen;
+
+ return 1;
}
-int
-ospf_area_range_substitute_unset (struct ospf *ospf, struct in_addr area_id,
- struct prefix_ipv4 *p)
+int ospf_area_range_substitute_unset(struct ospf *ospf, struct in_addr area_id,
+ struct prefix_ipv4 *p)
{
- struct ospf_area *area;
- struct ospf_area_range *range;
+ struct ospf_area *area;
+ struct ospf_area_range *range;
- area = ospf_area_lookup_by_area_id (ospf, area_id);
- if (area == NULL)
- return 0;
+ area = ospf_area_lookup_by_area_id(ospf, area_id);
+ if (area == NULL)
+ return 0;
- range = ospf_area_range_lookup (area, p);
- if (range == NULL)
- return 0;
+ range = ospf_area_range_lookup(area, p);
+ if (range == NULL)
+ return 0;
- if (CHECK_FLAG (range->flags, OSPF_AREA_RANGE_SUBSTITUTE))
- if (ospf_area_range_active (range))
- ospf_schedule_abr_task (ospf);
+ if (CHECK_FLAG(range->flags, OSPF_AREA_RANGE_SUBSTITUTE))
+ if (ospf_area_range_active(range))
+ ospf_schedule_abr_task(ospf);
- UNSET_FLAG (range->flags, OSPF_AREA_RANGE_SUBSTITUTE);
- range->subst_addr.s_addr = 0;
- range->subst_masklen = 0;
+ UNSET_FLAG(range->flags, OSPF_AREA_RANGE_SUBSTITUTE);
+ range->subst_addr.s_addr = 0;
+ range->subst_masklen = 0;
- return 1;
+ return 1;
}
-int
-ospf_act_bb_connection (struct ospf *ospf)
+int ospf_act_bb_connection(struct ospf *ospf)
{
- if (ospf->backbone == NULL)
- return 0;
+ if (ospf->backbone == NULL)
+ return 0;
- return ospf->backbone->full_nbrs;
+ return ospf->backbone->full_nbrs;
}
/* Determine whether this router is elected translator or not for area */
-static int
-ospf_abr_nssa_am_elected (struct ospf_area *area)
+static int ospf_abr_nssa_am_elected(struct ospf_area *area)
{
- struct route_node *rn;
- struct ospf_lsa *lsa;
- struct router_lsa *rlsa;
- struct in_addr *best = NULL;
-
- LSDB_LOOP ( ROUTER_LSDB (area), rn, lsa)
- {
- /* sanity checks */
- if (!lsa
- || (lsa->data->type != OSPF_ROUTER_LSA)
- || IS_LSA_SELF (lsa))
- continue;
-
- rlsa = (struct router_lsa *) lsa->data;
-
- /* ignore non-ABR routers */
- if (!IS_ROUTER_LSA_BORDER (rlsa))
- continue;
-
- /* Router has Nt flag - always translate */
- if (IS_ROUTER_LSA_NT (rlsa))
- {
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_nssa_am_elected: "
- "router %s asserts Nt",
- inet_ntoa (lsa->data->id) );
- return 0;
- }
-
- if (best == NULL)
- best = &lsa->data->id;
- else
- if (IPV4_ADDR_CMP (&best->s_addr, &lsa->data->id.s_addr) < 0)
- best = &lsa->data->id;
- }
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_nssa_am_elected: best electable ABR is: %s",
- (best) ? inet_ntoa (*best) : "<none>" );
-
- if (best == NULL)
- return 1;
-
- if (IPV4_ADDR_CMP (&best->s_addr, &area->ospf->router_id.s_addr) < 0)
- return 1;
- else
- return 0;
+ struct route_node *rn;
+ struct ospf_lsa *lsa;
+ struct router_lsa *rlsa;
+ struct in_addr *best = NULL;
+
+ LSDB_LOOP (ROUTER_LSDB(area), rn, lsa) {
+ /* sanity checks */
+ if (!lsa || (lsa->data->type != OSPF_ROUTER_LSA)
+ || IS_LSA_SELF(lsa))
+ continue;
+
+ rlsa = (struct router_lsa *)lsa->data;
+
+ /* ignore non-ABR routers */
+ if (!IS_ROUTER_LSA_BORDER(rlsa))
+ continue;
+
+ /* Router has Nt flag - always translate */
+ if (IS_ROUTER_LSA_NT(rlsa)) {
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_nssa_am_elected: "
+ "router %s asserts Nt",
+ inet_ntoa(lsa->data->id));
+ return 0;
+ }
+
+ if (best == NULL)
+ best = &lsa->data->id;
+ else if (IPV4_ADDR_CMP(&best->s_addr, &lsa->data->id.s_addr)
+ < 0)
+ best = &lsa->data->id;
+ }
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_nssa_am_elected: best electable ABR is: %s",
+ (best) ? inet_ntoa(*best) : "<none>");
+
+ if (best == NULL)
+ return 1;
+
+ if (IPV4_ADDR_CMP(&best->s_addr, &area->ospf->router_id.s_addr) < 0)
+ return 1;
+ else
+ return 0;
}
/* Check NSSA ABR status
* assumes there are nssa areas
*/
-static void
-ospf_abr_nssa_check_status (struct ospf *ospf)
+static void ospf_abr_nssa_check_status(struct ospf *ospf)
{
- struct ospf_area *area;
- struct listnode *lnode, *nnode;
-
- for (ALL_LIST_ELEMENTS (ospf->areas, lnode, nnode, area))
- {
- u_char old_state = area->NSSATranslatorState;
-
- if (area->external_routing != OSPF_AREA_NSSA)
- continue;
-
- if (IS_DEBUG_OSPF (nssa, NSSA))
- zlog_debug ("ospf_abr_nssa_check_status: "
- "checking area %s",
- inet_ntoa (area->area_id));
-
- if (!IS_OSPF_ABR (area->ospf))
- {
- if (IS_DEBUG_OSPF (nssa, NSSA))
- zlog_debug ("ospf_abr_nssa_check_status: "
- "not ABR");
- area->NSSATranslatorState = OSPF_NSSA_TRANSLATE_DISABLED;
- }
- else
- {
- switch (area->NSSATranslatorRole)
- {
- case OSPF_NSSA_ROLE_NEVER:
- /* We never Translate Type-7 LSA. */
- /* TODO: check previous state and flush? */
- if (IS_DEBUG_OSPF (nssa, NSSA))
- zlog_debug ("ospf_abr_nssa_check_status: "
- "never translate");
- area->NSSATranslatorState = OSPF_NSSA_TRANSLATE_DISABLED;
- break;
-
- case OSPF_NSSA_ROLE_ALWAYS:
- /* We always translate if we are an ABR
- * TODO: originate new LSAs if state change?
- * or let the nssa abr task take care of it?
- */
- if (IS_DEBUG_OSPF (nssa, NSSA))
- zlog_debug ("ospf_abr_nssa_check_status: "
- "translate always");
- area->NSSATranslatorState = OSPF_NSSA_TRANSLATE_ENABLED;
- break;
-
- case OSPF_NSSA_ROLE_CANDIDATE:
- /* We are a candidate for Translation */
- if (ospf_abr_nssa_am_elected (area) > 0)
- {
- area->NSSATranslatorState = OSPF_NSSA_TRANSLATE_ENABLED;
- if (IS_DEBUG_OSPF (nssa, NSSA))
- zlog_debug ("ospf_abr_nssa_check_status: "
- "elected translator");
- }
- else
- {
- area->NSSATranslatorState = OSPF_NSSA_TRANSLATE_DISABLED;
- if (IS_DEBUG_OSPF (nssa, NSSA))
- zlog_debug ("ospf_abr_nssa_check_status: " "not elected");
- }
- break;
- }
- }
- /* RFC3101, 3.1:
- * All NSSA border routers must set the E-bit in the Type-1 router-LSAs
- * of their directly attached non-stub areas, even when they are not
- * translating.
- */
- if (old_state != area->NSSATranslatorState)
- {
- if (old_state == OSPF_NSSA_TRANSLATE_DISABLED)
- ospf_asbr_status_update (ospf, ++ospf->redistribute);
- else if (area->NSSATranslatorState == OSPF_NSSA_TRANSLATE_DISABLED)
- ospf_asbr_status_update (ospf, --ospf->redistribute);
+ struct ospf_area *area;
+ struct listnode *lnode, *nnode;
+
+ for (ALL_LIST_ELEMENTS(ospf->areas, lnode, nnode, area)) {
+ uint8_t old_state = area->NSSATranslatorState;
+
+ if (area->external_routing != OSPF_AREA_NSSA)
+ continue;
+
+ if (IS_DEBUG_OSPF(nssa, NSSA))
+ zlog_debug(
+ "ospf_abr_nssa_check_status: "
+ "checking area %s",
+ inet_ntoa(area->area_id));
+
+ if (!IS_OSPF_ABR(area->ospf)) {
+ if (IS_DEBUG_OSPF(nssa, NSSA))
+ zlog_debug(
+ "ospf_abr_nssa_check_status: "
+ "not ABR");
+ area->NSSATranslatorState =
+ OSPF_NSSA_TRANSLATE_DISABLED;
+ } else {
+ switch (area->NSSATranslatorRole) {
+ case OSPF_NSSA_ROLE_NEVER:
+ /* We never Translate Type-7 LSA. */
+ /* TODO: check previous state and flush? */
+ if (IS_DEBUG_OSPF(nssa, NSSA))
+ zlog_debug(
+ "ospf_abr_nssa_check_status: "
+ "never translate");
+ area->NSSATranslatorState =
+ OSPF_NSSA_TRANSLATE_DISABLED;
+ break;
+
+ case OSPF_NSSA_ROLE_ALWAYS:
+ /* We always translate if we are an ABR
+ * TODO: originate new LSAs if state change?
+ * or let the nssa abr task take care of it?
+ */
+ if (IS_DEBUG_OSPF(nssa, NSSA))
+ zlog_debug(
+ "ospf_abr_nssa_check_status: "
+ "translate always");
+ area->NSSATranslatorState =
+ OSPF_NSSA_TRANSLATE_ENABLED;
+ break;
+
+ case OSPF_NSSA_ROLE_CANDIDATE:
+ /* We are a candidate for Translation */
+ if (ospf_abr_nssa_am_elected(area) > 0) {
+ area->NSSATranslatorState =
+ OSPF_NSSA_TRANSLATE_ENABLED;
+ if (IS_DEBUG_OSPF(nssa, NSSA))
+ zlog_debug(
+ "ospf_abr_nssa_check_status: "
+ "elected translator");
+ } else {
+ area->NSSATranslatorState =
+ OSPF_NSSA_TRANSLATE_DISABLED;
+ if (IS_DEBUG_OSPF(nssa, NSSA))
+ zlog_debug(
+ "ospf_abr_nssa_check_status: "
+ "not elected");
+ }
+ break;
+ }
+ }
+ /* RFC3101, 3.1:
+ * All NSSA border routers must set the E-bit in the Type-1
+ * router-LSAs
+ * of their directly attached non-stub areas, even when they are
+ * not
+ * translating.
+ */
+ if (old_state != area->NSSATranslatorState) {
+ if (old_state == OSPF_NSSA_TRANSLATE_DISABLED)
+ ospf_asbr_status_update(ospf,
+ ++ospf->redistribute);
+ else if (area->NSSATranslatorState
+ == OSPF_NSSA_TRANSLATE_DISABLED)
+ ospf_asbr_status_update(ospf,
+ --ospf->redistribute);
+ }
}
- }
}
/* Check area border router status. */
-void
-ospf_check_abr_status (struct ospf *ospf)
+void ospf_check_abr_status(struct ospf *ospf)
{
- struct ospf_area *area;
- struct listnode *node, *nnode;
- int bb_configured = 0;
- int bb_act_attached = 0;
- int areas_configured = 0;
- int areas_act_attached = 0;
- u_char new_flags = ospf->flags;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_check_abr_status(): Start");
-
- for (ALL_LIST_ELEMENTS (ospf->areas, node, nnode, area))
- {
- if (listcount (area->oiflist))
- {
- areas_configured++;
-
- if (OSPF_IS_AREA_BACKBONE (area))
- bb_configured = 1;
+ struct ospf_area *area;
+ struct listnode *node, *nnode;
+ int bb_configured = 0;
+ int bb_act_attached = 0;
+ int areas_configured = 0;
+ int areas_act_attached = 0;
+ uint8_t new_flags = ospf->flags;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_check_abr_status(): Start");
+
+ for (ALL_LIST_ELEMENTS(ospf->areas, node, nnode, area)) {
+ if (listcount(area->oiflist)) {
+ areas_configured++;
+
+ if (OSPF_IS_AREA_BACKBONE(area))
+ bb_configured = 1;
+ }
+
+ if (ospf_area_actively_attached(area)) {
+ areas_act_attached++;
+
+ if (OSPF_IS_AREA_BACKBONE(area))
+ bb_act_attached = 1;
+ }
}
- if (ospf_area_actively_attached (area))
- {
- areas_act_attached++;
-
- if (OSPF_IS_AREA_BACKBONE (area))
- bb_act_attached = 1;
+ if (IS_DEBUG_OSPF_EVENT) {
+ zlog_debug("ospf_check_abr_status(): looked through areas");
+ zlog_debug("ospf_check_abr_status(): bb_configured: %d",
+ bb_configured);
+ zlog_debug("ospf_check_abr_status(): bb_act_attached: %d",
+ bb_act_attached);
+ zlog_debug("ospf_check_abr_status(): areas_configured: %d",
+ areas_configured);
+ zlog_debug("ospf_check_abr_status(): areas_act_attached: %d",
+ areas_act_attached);
+ }
+
+ switch (ospf->abr_type) {
+ case OSPF_ABR_SHORTCUT:
+ case OSPF_ABR_STAND:
+ if (areas_act_attached > 1)
+ SET_FLAG(new_flags, OSPF_FLAG_ABR);
+ else
+ UNSET_FLAG(new_flags, OSPF_FLAG_ABR);
+ break;
+
+ case OSPF_ABR_IBM:
+ if ((areas_act_attached > 1) && bb_configured)
+ SET_FLAG(new_flags, OSPF_FLAG_ABR);
+ else
+ UNSET_FLAG(new_flags, OSPF_FLAG_ABR);
+ break;
+
+ case OSPF_ABR_CISCO:
+ if ((areas_configured > 1) && bb_act_attached)
+ SET_FLAG(new_flags, OSPF_FLAG_ABR);
+ else
+ UNSET_FLAG(new_flags, OSPF_FLAG_ABR);
+ break;
+ default:
+ break;
+ }
+
+ if (new_flags != ospf->flags) {
+ ospf_spf_calculate_schedule(ospf, SPF_FLAG_ABR_STATUS_CHANGE);
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_check_abr_status(): new router flags: %x",
+ new_flags);
+ ospf->flags = new_flags;
+ ospf_router_lsa_update(ospf);
}
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- {
- zlog_debug ("ospf_check_abr_status(): looked through areas");
- zlog_debug ("ospf_check_abr_status(): bb_configured: %d", bb_configured);
- zlog_debug ("ospf_check_abr_status(): bb_act_attached: %d",
- bb_act_attached);
- zlog_debug ("ospf_check_abr_status(): areas_configured: %d",
- areas_configured);
- zlog_debug ("ospf_check_abr_status(): areas_act_attached: %d",
- areas_act_attached);
- }
-
- switch (ospf->abr_type)
- {
- case OSPF_ABR_SHORTCUT:
- case OSPF_ABR_STAND:
- if (areas_act_attached > 1)
- SET_FLAG (new_flags, OSPF_FLAG_ABR);
- else
- UNSET_FLAG (new_flags, OSPF_FLAG_ABR);
- break;
-
- case OSPF_ABR_IBM:
- if ((areas_act_attached > 1) && bb_configured)
- SET_FLAG (new_flags, OSPF_FLAG_ABR);
- else
- UNSET_FLAG (new_flags, OSPF_FLAG_ABR);
- break;
-
- case OSPF_ABR_CISCO:
- if ((areas_configured > 1) && bb_act_attached)
- SET_FLAG (new_flags, OSPF_FLAG_ABR);
- else
- UNSET_FLAG (new_flags, OSPF_FLAG_ABR);
- break;
- default:
- break;
- }
-
- if (new_flags != ospf->flags)
- {
- ospf_spf_calculate_schedule (ospf, SPF_FLAG_ABR_STATUS_CHANGE);
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_check_abr_status(): new router flags: %x",new_flags);
- ospf->flags = new_flags;
- ospf_router_lsa_update (ospf);
- }
}
-static void
-ospf_abr_update_aggregate (struct ospf_area_range *range,
- struct ospf_route *or, struct ospf_area *area)
+static void ospf_abr_update_aggregate(struct ospf_area_range *range,
+ struct ospf_route * or,
+ struct ospf_area *area)
{
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_update_aggregate(): Start");
-
- if (CHECK_FLAG (area->stub_router_state, OSPF_AREA_IS_STUB_ROUTED) &&
- (range->cost != OSPF_STUB_MAX_METRIC_SUMMARY_COST))
- {
- range->cost = OSPF_STUB_MAX_METRIC_SUMMARY_COST;
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_update_aggregate(): use summary max-metric 0x%08x",
- range->cost);
- }
- else if (range->cost_config != OSPF_AREA_RANGE_COST_UNSPEC)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_update_aggregate(): use configured cost %d",
- range->cost_config);
-
- range->cost = range->cost_config;
- }
- else
- {
- if (range->specifics == 0)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_update_aggregate(): use or->cost %d",
- or->cost);
-
- range->cost = or->cost; /* 1st time get 1st cost */
- }
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_update_aggregate(): Start");
- if (or->cost > range->cost)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_update_aggregate(): update to %d", or->cost);
+ if (CHECK_FLAG(area->stub_router_state, OSPF_AREA_IS_STUB_ROUTED)
+ && (range->cost != OSPF_STUB_MAX_METRIC_SUMMARY_COST)) {
+ range->cost = OSPF_STUB_MAX_METRIC_SUMMARY_COST;
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_update_aggregate(): use summary max-metric 0x%08x",
+ range->cost);
+ } else if (range->cost_config != OSPF_AREA_RANGE_COST_UNSPEC) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_update_aggregate(): use configured cost %d",
+ range->cost_config);
- range->cost = or->cost;
- }
- }
+ range->cost = range->cost_config;
+ } else {
+ if (range->specifics == 0) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_update_aggregate(): use or->cost %d",
+ or->cost);
- range->specifics++;
+ range->cost = or->cost; /* 1st time get 1st cost */
+ }
+
+ if (or->cost > range->cost) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_update_aggregate(): update to %d",
+ or->cost);
+
+ range->cost = or->cost;
+ }
+ }
+
+ range->specifics++;
}
-static void
-set_metric (struct ospf_lsa *lsa, u_int32_t metric)
+static void set_metric(struct ospf_lsa *lsa, uint32_t metric)
{
- struct summary_lsa *header;
- u_char *mp;
- metric = htonl (metric);
- mp = (u_char *) &metric;
- mp++;
- header = (struct summary_lsa *) lsa->data;
- memcpy(header->metric, mp, 3);
+ struct summary_lsa *header;
+ uint8_t *mp;
+ metric = htonl(metric);
+ mp = (uint8_t *)&metric;
+ mp++;
+ header = (struct summary_lsa *)lsa->data;
+ memcpy(header->metric, mp, 3);
}
/* ospf_abr_translate_nssa */
-static int
-ospf_abr_translate_nssa (struct ospf_area *area, struct ospf_lsa *lsa)
+static int ospf_abr_translate_nssa(struct ospf_area *area, struct ospf_lsa *lsa)
{
- /* Incoming Type-7 or later aggregated Type-7
- *
- * LSA is skipped if P-bit is off.
- * LSA is aggregated if within range.
- *
- * The Type-7 is translated, Installed/Approved as a Type-5 into
- * global LSDB, then Flooded through AS
- *
- * Later, any Unapproved Translated Type-5's are flushed/discarded
- */
-
- struct ospf_lsa *old = NULL,
- *new = NULL;
- struct as_external_lsa *ext7;
- struct prefix_ipv4 p;
-
- if (! CHECK_FLAG (lsa->data->options, OSPF_OPTION_NP))
- {
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_translate_nssa(): LSA Id %s, P-bit off, NO Translation",
- inet_ntoa (lsa->data->id));
- return 1;
- }
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_translate_nssa(): LSA Id %s, TRANSLATING 7 to 5",
- inet_ntoa (lsa->data->id));
-
- ext7 = (struct as_external_lsa *)(lsa->data);
- p.prefix = lsa->data->id;
- p.prefixlen = ip_masklen (ext7->mask);
-
- if (ext7->e[0].fwd_addr.s_addr == OSPF_DEFAULT_DESTINATION)
- {
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_translate_nssa(): LSA Id %s, "
- "Forward address is 0, NO Translation",
- inet_ntoa (lsa->data->id));
- return 1;
- }
-
- /* try find existing AS-External LSA for this prefix */
-
- old = ospf_external_info_find_lsa (area->ospf, &p);
-
- if (old)
- {
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_translate_nssa(): "
- "found old translated LSA Id %s, refreshing",
- inet_ntoa (old->data->id));
-
- /* refresh */
- new = ospf_translated_nssa_refresh (area->ospf, lsa, old);
- if (!new)
- {
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_translate_nssa(): "
- "could not refresh translated LSA Id %s",
- inet_ntoa (old->data->id));
- }
- }
- else
- {
- /* no existing external route for this LSA Id
- * originate translated LSA
- */
-
- if ((new = ospf_translated_nssa_originate (area->ospf, lsa))
- == NULL)
- {
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_translate_nssa(): Could not translate "
- "Type-7 for %s to Type-5",
- inet_ntoa (lsa->data->id));
- return 1;
- }
- }
-
- /* Area where Aggregate testing will be inserted, just like summary
- advertisements */
- /* ospf_abr_check_nssa_range (p_arg, lsa-> cost, lsa -> area); */
-
- return 0;
+ /* Incoming Type-7 or later aggregated Type-7
+ *
+ * LSA is skipped if P-bit is off.
+ * LSA is aggregated if within range.
+ *
+ * The Type-7 is translated, Installed/Approved as a Type-5 into
+ * global LSDB, then Flooded through AS
+ *
+ * Later, any Unapproved Translated Type-5's are flushed/discarded
+ */
+
+ struct ospf_lsa *old = NULL, *new = NULL;
+ struct as_external_lsa *ext7;
+ struct prefix_ipv4 p;
+
+ if (!CHECK_FLAG(lsa->data->options, OSPF_OPTION_NP)) {
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_translate_nssa(): LSA Id %s, P-bit off, NO Translation",
+ inet_ntoa(lsa->data->id));
+ return 1;
+ }
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_translate_nssa(): LSA Id %s, TRANSLATING 7 to 5",
+ inet_ntoa(lsa->data->id));
+
+ ext7 = (struct as_external_lsa *)(lsa->data);
+ p.prefix = lsa->data->id;
+ p.prefixlen = ip_masklen(ext7->mask);
+
+ if (ext7->e[0].fwd_addr.s_addr == OSPF_DEFAULT_DESTINATION) {
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_translate_nssa(): LSA Id %s, "
+ "Forward address is 0, NO Translation",
+ inet_ntoa(lsa->data->id));
+ return 1;
+ }
+
+ /* try find existing AS-External LSA for this prefix */
+
+ old = ospf_external_info_find_lsa(area->ospf, &p);
+
+ if (old) {
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_translate_nssa(): "
+ "found old translated LSA Id %s, refreshing",
+ inet_ntoa(old->data->id));
+
+ /* refresh */
+ new = ospf_translated_nssa_refresh(area->ospf, lsa, old);
+ if (!new) {
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_translate_nssa(): "
+ "could not refresh translated LSA Id %s",
+ inet_ntoa(old->data->id));
+ }
+ } else {
+ /* no existing external route for this LSA Id
+ * originate translated LSA
+ */
+
+ if ((new = ospf_translated_nssa_originate(area->ospf, lsa))
+ == NULL) {
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_translate_nssa(): Could not translate "
+ "Type-7 for %s to Type-5",
+ inet_ntoa(lsa->data->id));
+ return 1;
+ }
+ }
+
+ /* Area where Aggregate testing will be inserted, just like summary
+ advertisements */
+ /* ospf_abr_check_nssa_range (p_arg, lsa-> cost, lsa -> area); */
+
+ return 0;
}
-static void
-ospf_abr_translate_nssa_range (struct prefix_ipv4 *p, u_int32_t cost)
+static void ospf_abr_translate_nssa_range(struct prefix_ipv4 *p, uint32_t cost)
{
- /* The Type-7 is created from the aggregated prefix and forwarded
- for lsa installation and flooding... to be added... */
+ /* The Type-7 is created from the aggregated prefix and forwarded
+ for lsa installation and flooding... to be added... */
}
-void
-ospf_abr_announce_network_to_area (struct prefix_ipv4 *p, u_int32_t cost,
- struct ospf_area *area)
+void ospf_abr_announce_network_to_area(struct prefix_ipv4 *p, uint32_t cost,
+ struct ospf_area *area)
{
- struct ospf_lsa *lsa, *old = NULL;
- struct summary_lsa *sl = NULL;
- u_int32_t full_cost;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network_to_area(): Start");
-
- if (CHECK_FLAG (area->stub_router_state, OSPF_AREA_IS_STUB_ROUTED))
- full_cost = OSPF_STUB_MAX_METRIC_SUMMARY_COST;
- else
- full_cost = cost;
-
- old = ospf_lsa_lookup_by_prefix (area->lsdb, OSPF_SUMMARY_LSA,
- (struct prefix_ipv4 *) p,
- area->ospf->router_id);
- if (old)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network_to_area(): old summary found");
-
- sl = (struct summary_lsa *) old->data;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network_to_area(): "
- "old metric: %d, new metric: %d",
- GET_METRIC (sl->metric), cost);
-
- if ((GET_METRIC (sl->metric) == full_cost) &&
- ((old->flags & OSPF_LSA_IN_MAXAGE) == 0))
- {
- /* unchanged. simply reapprove it */
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network_to_area(): "
- "old summary approved");
- SET_FLAG (old->flags, OSPF_LSA_APPROVED);
- }
- else
- {
- /* LSA is changed, refresh it */
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network_to_area(): "
- "refreshing summary");
- set_metric (old, full_cost);
- lsa = ospf_lsa_refresh (area->ospf, old);
-
- if (!lsa)
- {
- char buf[PREFIX2STR_BUFFER];
-
- prefix2str ((struct prefix *) p, buf, sizeof(buf));
- zlog_warn ("%s: Could not refresh %s to %s",
- __func__,
- buf,
- inet_ntoa (area->area_id));
- return;
- }
-
- SET_FLAG (lsa->flags, OSPF_LSA_APPROVED);
- /* This will flood through area. */
- }
- }
- else
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network_to_area(): "
- "creating new summary");
- lsa = ospf_summary_lsa_originate ( (struct prefix_ipv4 *)p, full_cost, area);
- /* This will flood through area. */
-
- if (!lsa)
- {
- char buf[PREFIX2STR_BUFFER];
-
- prefix2str ((struct prefix *)p, buf, sizeof(buf));
- zlog_warn ("%s: Could not originate %s to %s",
- __func__,
- buf,
- inet_ntoa (area->area_id));
- return;
+ struct ospf_lsa *lsa, *old = NULL;
+ struct summary_lsa *sl = NULL;
+ uint32_t full_cost;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_network_to_area(): Start");
+
+ if (CHECK_FLAG(area->stub_router_state, OSPF_AREA_IS_STUB_ROUTED))
+ full_cost = OSPF_STUB_MAX_METRIC_SUMMARY_COST;
+ else
+ full_cost = cost;
+
+ old = ospf_lsa_lookup_by_prefix(area->lsdb, OSPF_SUMMARY_LSA,
+ (struct prefix_ipv4 *)p,
+ area->ospf->router_id);
+ if (old) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network_to_area(): old summary found");
+
+ sl = (struct summary_lsa *)old->data;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network_to_area(): "
+ "old metric: %d, new metric: %d",
+ GET_METRIC(sl->metric), cost);
+
+ if ((GET_METRIC(sl->metric) == full_cost)
+ && ((old->flags & OSPF_LSA_IN_MAXAGE) == 0)) {
+ /* unchanged. simply reapprove it */
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network_to_area(): "
+ "old summary approved");
+ SET_FLAG(old->flags, OSPF_LSA_APPROVED);
+ } else {
+ /* LSA is changed, refresh it */
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network_to_area(): "
+ "refreshing summary");
+ set_metric(old, full_cost);
+ lsa = ospf_lsa_refresh(area->ospf, old);
+
+ if (!lsa) {
+ char buf[PREFIX2STR_BUFFER];
+
+ prefix2str((struct prefix *)p, buf,
+ sizeof(buf));
+ flog_warn(EC_OSPF_LSA_MISSING,
+ "%s: Could not refresh %s to %s",
+ __func__, buf,
+ inet_ntoa(area->area_id));
+ return;
+ }
+
+ SET_FLAG(lsa->flags, OSPF_LSA_APPROVED);
+ /* This will flood through area. */
+ }
+ } else {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network_to_area(): "
+ "creating new summary");
+ lsa = ospf_summary_lsa_originate((struct prefix_ipv4 *)p,
+ full_cost, area);
+ /* This will flood through area. */
+
+ if (!lsa) {
+ char buf[PREFIX2STR_BUFFER];
+
+ prefix2str((struct prefix *)p, buf, sizeof(buf));
+ flog_warn(EC_OSPF_LSA_MISSING,
+ "%s: Could not originate %s to %s", __func__,
+ buf, inet_ntoa(area->area_id));
+ return;
+ }
+
+ SET_FLAG(lsa->flags, OSPF_LSA_APPROVED);
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network_to_area(): "
+ "flooding new version of summary");
}
-
- SET_FLAG (lsa->flags, OSPF_LSA_APPROVED);
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network_to_area(): "
- "flooding new version of summary");
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network_to_area(): Stop");
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_network_to_area(): Stop");
}
-static int
-ospf_abr_nexthops_belong_to_area (struct ospf_route *or,
- struct ospf_area *area)
+static int ospf_abr_nexthops_belong_to_area(struct ospf_route * or,
+ struct ospf_area *area)
{
- struct listnode *node, *nnode;
- struct ospf_path *path;
- struct ospf_interface *oi;
+ struct listnode *node, *nnode;
+ struct ospf_path *path;
+ struct ospf_interface *oi;
- for (ALL_LIST_ELEMENTS_RO (or->paths, node, path))
- for (ALL_LIST_ELEMENTS_RO (area->oiflist, nnode, oi))
- if (oi->ifp && oi->ifp->ifindex == path->ifindex)
- return 1;
+ for (ALL_LIST_ELEMENTS_RO(or->paths, node, path))
+ for (ALL_LIST_ELEMENTS_RO(area->oiflist, nnode, oi))
+ if (oi->ifp && oi->ifp->ifindex == path->ifindex)
+ return 1;
- return 0;
+ return 0;
}
-static int
-ospf_abr_should_accept (struct prefix_ipv4 *p, struct ospf_area *area)
+static int ospf_abr_should_accept(struct prefix_ipv4 *p, struct ospf_area *area)
{
- if (IMPORT_NAME (area))
- {
- if (IMPORT_LIST (area) == NULL)
- IMPORT_LIST (area) = access_list_lookup (AFI_IP, IMPORT_NAME (area));
-
- if (IMPORT_LIST (area))
- if (access_list_apply (IMPORT_LIST (area), p) == FILTER_DENY)
- return 0;
- }
+ if (IMPORT_NAME(area)) {
+ if (IMPORT_LIST(area) == NULL)
+ IMPORT_LIST(area) =
+ access_list_lookup(AFI_IP, IMPORT_NAME(area));
+
+ if (IMPORT_LIST(area))
+ if (access_list_apply(IMPORT_LIST(area), p)
+ == FILTER_DENY)
+ return 0;
+ }
- return 1;
+ return 1;
}
-static int
-ospf_abr_plist_in_check (struct ospf_area *area, struct ospf_route *or,
- struct prefix_ipv4 *p)
+static int ospf_abr_plist_in_check(struct ospf_area *area,
+ struct ospf_route * or,
+ struct prefix_ipv4 *p)
{
- if (PREFIX_NAME_IN (area))
- {
- if (PREFIX_LIST_IN (area) == NULL)
- PREFIX_LIST_IN (area) = prefix_list_lookup (AFI_IP,
- PREFIX_NAME_IN (area));
- if (PREFIX_LIST_IN (area))
- if (prefix_list_apply (PREFIX_LIST_IN (area), p) != PREFIX_PERMIT)
- return 0;
- }
- return 1;
+ if (PREFIX_NAME_IN(area)) {
+ if (PREFIX_LIST_IN(area) == NULL)
+ PREFIX_LIST_IN(area) = prefix_list_lookup(
+ AFI_IP, PREFIX_NAME_IN(area));
+ if (PREFIX_LIST_IN(area))
+ if (prefix_list_apply(PREFIX_LIST_IN(area), p)
+ != PREFIX_PERMIT)
+ return 0;
+ }
+ return 1;
}
-static int
-ospf_abr_plist_out_check (struct ospf_area *area, struct ospf_route *or,
- struct prefix_ipv4 *p)
+static int ospf_abr_plist_out_check(struct ospf_area *area,
+ struct ospf_route * or,
+ struct prefix_ipv4 *p)
{
- if (PREFIX_NAME_OUT (area))
- {
- if (PREFIX_LIST_OUT (area) == NULL)
- PREFIX_LIST_OUT (area) = prefix_list_lookup (AFI_IP,
- PREFIX_NAME_OUT (area));
- if (PREFIX_LIST_OUT (area))
- if (prefix_list_apply (PREFIX_LIST_OUT (area), p) != PREFIX_PERMIT)
- return 0;
- }
- return 1;
+ if (PREFIX_NAME_OUT(area)) {
+ if (PREFIX_LIST_OUT(area) == NULL)
+ PREFIX_LIST_OUT(area) = prefix_list_lookup(
+ AFI_IP, PREFIX_NAME_OUT(area));
+ if (PREFIX_LIST_OUT(area))
+ if (prefix_list_apply(PREFIX_LIST_OUT(area), p)
+ != PREFIX_PERMIT)
+ return 0;
+ }
+ return 1;
}
-static void
-ospf_abr_announce_network (struct ospf *ospf,
- struct prefix_ipv4 *p, struct ospf_route *or)
+static void ospf_abr_announce_network(struct ospf *ospf, struct prefix_ipv4 *p,
+ struct ospf_route * or)
{
- struct ospf_area_range *range;
- struct ospf_area *area, *or_area;
- struct listnode *node;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network(): Start");
-
- or_area = ospf_area_lookup_by_area_id (ospf, or->u.std.area_id);
- assert (or_area);
-
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network(): looking at area %s",
- inet_ntoa (area->area_id));
-
- if (IPV4_ADDR_SAME (&or->u.std.area_id, &area->area_id))
- continue;
-
- if (ospf_abr_nexthops_belong_to_area (or, area))
- continue;
-
- if (!ospf_abr_should_accept (p, area))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network(): "
- "prefix %s/%d was denied by import-list",
- inet_ntoa (p->prefix), p->prefixlen);
- continue;
- }
+ struct ospf_area_range *range;
+ struct ospf_area *area, *or_area;
+ struct listnode *node;
- if (!ospf_abr_plist_in_check (area, or, p))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network(): "
- "prefix %s/%d was denied by prefix-list",
- inet_ntoa (p->prefix), p->prefixlen);
- continue;
- }
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_network(): Start");
- if (area->external_routing != OSPF_AREA_DEFAULT && area->no_summary)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network(): "
- "area %s is stub and no_summary",
- inet_ntoa (area->area_id));
- continue;
- }
+ or_area = ospf_area_lookup_by_area_id(ospf, or->u.std.area_id);
+ assert(or_area);
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network(): looking at area %s",
+ inet_ntoa(area->area_id));
- if (or->path_type == OSPF_PATH_INTER_AREA)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network(): this is "
- "inter-area route to %s/%d",
- inet_ntoa (p->prefix), p->prefixlen);
+ if (IPV4_ADDR_SAME(& or->u.std.area_id, &area->area_id))
+ continue;
- if (!OSPF_IS_AREA_BACKBONE (area))
- ospf_abr_announce_network_to_area (p, or->cost, area);
- }
+ if (ospf_abr_nexthops_belong_to_area(or, area))
+ continue;
+
+ if (!ospf_abr_should_accept(p, area)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network(): "
+ "prefix %s/%d was denied by import-list",
+ inet_ntoa(p->prefix), p->prefixlen);
+ continue;
+ }
+
+ if (!ospf_abr_plist_in_check(area, or, p)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network(): "
+ "prefix %s/%d was denied by prefix-list",
+ inet_ntoa(p->prefix), p->prefixlen);
+ continue;
+ }
+
+ if (area->external_routing != OSPF_AREA_DEFAULT
+ && area->no_summary) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network(): "
+ "area %s is stub and no_summary",
+ inet_ntoa(area->area_id));
+ continue;
+ }
+
+ if (or->path_type == OSPF_PATH_INTER_AREA) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network(): this is "
+ "inter-area route to %s/%d",
+ inet_ntoa(p->prefix), p->prefixlen);
- if (or->path_type == OSPF_PATH_INTRA_AREA)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network(): "
- "this is intra-area route to %s/%d",
- inet_ntoa (p->prefix), p->prefixlen);
- if ((range = ospf_area_range_match (or_area, p))
- && !ospf_area_is_transit (area))
- ospf_abr_update_aggregate (range, or, area);
- else
- ospf_abr_announce_network_to_area (p, or->cost, area);
- }
- }
+ if (!OSPF_IS_AREA_BACKBONE(area))
+ ospf_abr_announce_network_to_area(p, or->cost,
+ area);
+ }
+
+ if (or->path_type == OSPF_PATH_INTRA_AREA) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network(): "
+ "this is intra-area route to %s/%d",
+ inet_ntoa(p->prefix), p->prefixlen);
+ if ((range = ospf_area_range_match(or_area, p))
+ && !ospf_area_is_transit(area))
+ ospf_abr_update_aggregate(range, or, area);
+ else
+ ospf_abr_announce_network_to_area(p, or->cost,
+ area);
+ }
+ }
}
-static int
-ospf_abr_should_announce (struct ospf *ospf,
- struct prefix_ipv4 *p, struct ospf_route *or)
+static int ospf_abr_should_announce(struct ospf *ospf, struct prefix_ipv4 *p,
+ struct ospf_route * or)
{
- struct ospf_area *area;
+ struct ospf_area *area;
- area = ospf_area_lookup_by_area_id (ospf, or->u.std.area_id);
+ area = ospf_area_lookup_by_area_id(ospf, or->u.std.area_id);
- assert (area);
-
- if (EXPORT_NAME (area))
- {
- if (EXPORT_LIST (area) == NULL)
- EXPORT_LIST (area) = access_list_lookup (AFI_IP, EXPORT_NAME (area));
+ assert(area);
- if (EXPORT_LIST (area))
- if (access_list_apply (EXPORT_LIST (area), p) == FILTER_DENY)
- return 0;
- }
+ if (EXPORT_NAME(area)) {
+ if (EXPORT_LIST(area) == NULL)
+ EXPORT_LIST(area) =
+ access_list_lookup(AFI_IP, EXPORT_NAME(area));
- return 1;
+ if (EXPORT_LIST(area))
+ if (access_list_apply(EXPORT_LIST(area), p)
+ == FILTER_DENY)
+ return 0;
+ }
+
+ return 1;
}
-static void
-ospf_abr_process_nssa_translates (struct ospf *ospf)
+static void ospf_abr_process_nssa_translates(struct ospf *ospf)
{
- /* Scan through all NSSA_LSDB records for all areas;
-
- If P-bit is on, translate all Type-7's to 5's and aggregate or
- flood install as approved in Type-5 LSDB with XLATE Flag on
- later, do same for all aggregates... At end, DISCARD all
- remaining UNAPPROVED Type-5's (Aggregate is for future ) */
- struct listnode *node;
- struct ospf_area *area;
- struct route_node *rn;
- struct ospf_lsa *lsa;
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_process_nssa_translates(): Start");
-
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- {
- if (! area->NSSATranslatorState)
- continue; /* skip if not translator */
-
- if (area->external_routing != OSPF_AREA_NSSA)
- continue; /* skip if not Nssa Area */
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_process_nssa_translates(): "
- "looking at area %s", inet_ntoa (area->area_id));
-
- LSDB_LOOP (NSSA_LSDB (area), rn, lsa)
- ospf_abr_translate_nssa (area, lsa);
- }
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_process_nssa_translates(): Stop");
+ /* Scan through all NSSA_LSDB records for all areas;
+
+ If P-bit is on, translate all Type-7's to 5's and aggregate or
+ flood install as approved in Type-5 LSDB with XLATE Flag on
+ later, do same for all aggregates... At end, DISCARD all
+ remaining UNAPPROVED Type-5's (Aggregate is for future ) */
+ struct listnode *node;
+ struct ospf_area *area;
+ struct route_node *rn;
+ struct ospf_lsa *lsa;
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_process_nssa_translates(): Start");
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) {
+ if (!area->NSSATranslatorState)
+ continue; /* skip if not translator */
+
+ if (area->external_routing != OSPF_AREA_NSSA)
+ continue; /* skip if not Nssa Area */
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_process_nssa_translates(): "
+ "looking at area %s",
+ inet_ntoa(area->area_id));
+
+ LSDB_LOOP (NSSA_LSDB(area), rn, lsa)
+ ospf_abr_translate_nssa(area, lsa);
+ }
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_process_nssa_translates(): Stop");
}
-static void
-ospf_abr_process_network_rt (struct ospf *ospf,
- struct route_table *rt)
+static void ospf_abr_process_network_rt(struct ospf *ospf,
+ struct route_table *rt)
{
- struct ospf_area *area;
- struct ospf_route *or;
- struct route_node *rn;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt(): Start");
-
- for (rn = route_top (rt); rn; rn = route_next (rn))
- {
- if ((or = rn->info) == NULL)
- continue;
-
- if (!(area = ospf_area_lookup_by_area_id (ospf, or->u.std.area_id)))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt(): area %s no longer exists",
- inet_ntoa (or->u.std.area_id));
- continue;
- }
+ struct ospf_area *area;
+ struct ospf_route * or ;
+ struct route_node *rn;
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt(): this is a route to %s/%d",
- inet_ntoa (rn->p.u.prefix4), rn->p.prefixlen);
- if (or->path_type >= OSPF_PATH_TYPE1_EXTERNAL)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt(): "
- "this is an External router, skipping");
- continue;
- }
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_process_network_rt(): Start");
- if (or->cost >= OSPF_LS_INFINITY)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt():"
- " this route's cost is infinity, skipping");
- continue;
- }
+ for (rn = route_top(rt); rn; rn = route_next(rn)) {
+ if ((or = rn->info) == NULL)
+ continue;
- if (or->type == OSPF_DESTINATION_DISCARD)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt():"
- " this is a discard entry, skipping");
- continue;
- }
+ if (!(area = ospf_area_lookup_by_area_id(ospf,
+ or->u.std.area_id))) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt(): area %s no longer exists",
+ inet_ntoa(or->u.std.area_id));
+ continue;
+ }
- if (or->path_type == OSPF_PATH_INTRA_AREA &&
- !ospf_abr_should_announce (ospf, (struct prefix_ipv4 *) &rn->p, or))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug("ospf_abr_process_network_rt(): denied by export-list");
- continue;
- }
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt(): this is a route to %s/%d",
+ inet_ntoa(rn->p.u.prefix4), rn->p.prefixlen);
+ if (or->path_type >= OSPF_PATH_TYPE1_EXTERNAL) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt(): "
+ "this is an External router, skipping");
+ continue;
+ }
- if (or->path_type == OSPF_PATH_INTRA_AREA &&
- !ospf_abr_plist_out_check (area, or, (struct prefix_ipv4 *) &rn->p))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug("ospf_abr_process_network_rt(): denied by prefix-list");
- continue;
- }
+ if (or->cost >= OSPF_LS_INFINITY) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt():"
+ " this route's cost is infinity, skipping");
+ continue;
+ }
- if ((or->path_type == OSPF_PATH_INTER_AREA) &&
- !OSPF_IS_AREA_ID_BACKBONE (or->u.std.area_id))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt():"
- " this is route is not backbone one, skipping");
- continue;
- }
+ if (or->type == OSPF_DESTINATION_DISCARD) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt():"
+ " this is a discard entry, skipping");
+ continue;
+ }
+
+ if (
+ or->path_type == OSPF_PATH_INTRA_AREA
+ && !ospf_abr_should_announce(
+ ospf, (struct prefix_ipv4 *)&rn->p,
+ or)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt(): denied by export-list");
+ continue;
+ }
+
+ if (
+ or->path_type == OSPF_PATH_INTRA_AREA
+ && !ospf_abr_plist_out_check(
+ area, or,
+ (struct prefix_ipv4 *)&rn->p)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt(): denied by prefix-list");
+ continue;
+ }
+ if ((or->path_type == OSPF_PATH_INTER_AREA)
+ && !OSPF_IS_AREA_ID_BACKBONE(or->u.std.area_id)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt():"
+ " this is route is not backbone one, skipping");
+ continue;
+ }
- if ((ospf->abr_type == OSPF_ABR_CISCO) ||
- (ospf->abr_type == OSPF_ABR_IBM))
- if (!ospf_act_bb_connection (ospf) &&
- or->path_type != OSPF_PATH_INTRA_AREA)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt(): ALT ABR: "
- "No BB connection, skip not intra-area routes");
- continue;
- }
+ if ((ospf->abr_type == OSPF_ABR_CISCO)
+ || (ospf->abr_type == OSPF_ABR_IBM))
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt(): announcing");
- ospf_abr_announce_network (ospf, (struct prefix_ipv4 *)&rn->p, or);
- }
+ if (!ospf_act_bb_connection(ospf) &&
+ or->path_type != OSPF_PATH_INTRA_AREA) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt(): ALT ABR: "
+ "No BB connection, skip not intra-area routes");
+ continue;
+ }
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_network_rt(): Stop");
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_process_network_rt(): announcing");
+ ospf_abr_announce_network(ospf, (struct prefix_ipv4 *)&rn->p,
+ or);
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_process_network_rt(): Stop");
}
-static void
-ospf_abr_announce_rtr_to_area (struct prefix_ipv4 *p, u_int32_t cost,
- struct ospf_area *area)
+static void ospf_abr_announce_rtr_to_area(struct prefix_ipv4 *p, uint32_t cost,
+ struct ospf_area *area)
{
- struct ospf_lsa *lsa, *old = NULL;
- struct summary_lsa *slsa = NULL;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr_to_area(): Start");
-
- old = ospf_lsa_lookup_by_prefix (area->lsdb, OSPF_ASBR_SUMMARY_LSA,
- p, area->ospf->router_id);
- if (old)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr_to_area(): old summary found");
- slsa = (struct summary_lsa *) old->data;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_network_to_area(): "
- "old metric: %d, new metric: %d",
- GET_METRIC (slsa->metric), cost);
- }
-
- if (old && (GET_METRIC (slsa->metric) == cost) &&
- ((old->flags & OSPF_LSA_IN_MAXAGE) == 0))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr_to_area(): old summary approved");
- SET_FLAG (old->flags, OSPF_LSA_APPROVED);
- }
- else
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr_to_area(): 2.2");
-
- if (old)
- {
- set_metric (old, cost);
- lsa = ospf_lsa_refresh (area->ospf, old);
+ struct ospf_lsa *lsa, *old = NULL;
+ struct summary_lsa *slsa = NULL;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_rtr_to_area(): Start");
+
+ old = ospf_lsa_lookup_by_prefix(area->lsdb, OSPF_ASBR_SUMMARY_LSA, p,
+ area->ospf->router_id);
+ if (old) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_rtr_to_area(): old summary found");
+ slsa = (struct summary_lsa *)old->data;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_network_to_area(): "
+ "old metric: %d, new metric: %d",
+ GET_METRIC(slsa->metric), cost);
}
- else
- lsa = ospf_summary_asbr_lsa_originate (p, cost, area);
- if (!lsa)
- {
- char buf[PREFIX2STR_BUFFER];
-
- prefix2str ((struct prefix *)p, buf, sizeof(buf));
- zlog_warn ("%s: Could not refresh/originate %s to %s",
- __func__,
- buf,
- inet_ntoa (area->area_id));
- return;
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr_to_area(): "
- "flooding new version of summary");
-
- /*
- zlog_info ("ospf_abr_announce_rtr_to_area(): creating new summary");
- lsa = ospf_summary_asbr_lsa (p, cost, area, old); */
-
- SET_FLAG (lsa->flags, OSPF_LSA_APPROVED);
- /* ospf_flood_through_area (area, NULL, lsa);*/
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr_to_area(): Stop");
+
+ if (old && (GET_METRIC(slsa->metric) == cost)
+ && ((old->flags & OSPF_LSA_IN_MAXAGE) == 0)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_rtr_to_area(): old summary approved");
+ SET_FLAG(old->flags, OSPF_LSA_APPROVED);
+ } else {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_rtr_to_area(): 2.2");
+
+ if (old) {
+ set_metric(old, cost);
+ lsa = ospf_lsa_refresh(area->ospf, old);
+ } else
+ lsa = ospf_summary_asbr_lsa_originate(p, cost, area);
+ if (!lsa) {
+ char buf[PREFIX2STR_BUFFER];
+
+ prefix2str((struct prefix *)p, buf, sizeof(buf));
+ flog_warn(EC_OSPF_LSA_MISSING,
+ "%s: Could not refresh/originate %s to %s",
+ __func__, buf, inet_ntoa(area->area_id));
+ return;
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_rtr_to_area(): "
+ "flooding new version of summary");
+
+ /*
+ zlog_info ("ospf_abr_announce_rtr_to_area(): creating new
+ summary");
+ lsa = ospf_summary_asbr_lsa (p, cost, area, old); */
+
+ SET_FLAG(lsa->flags, OSPF_LSA_APPROVED);
+ /* ospf_flood_through_area (area, NULL, lsa);*/
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_rtr_to_area(): Stop");
}
-static void
-ospf_abr_announce_rtr (struct ospf *ospf,
- struct prefix_ipv4 *p, struct ospf_route *or)
+static void ospf_abr_announce_rtr(struct ospf *ospf, struct prefix_ipv4 *p,
+ struct ospf_route * or)
{
- struct listnode *node;
- struct ospf_area *area;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr(): Start");
-
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr(): looking at area %s",
- inet_ntoa (area->area_id));
-
- if (IPV4_ADDR_SAME (&or->u.std.area_id, &area->area_id))
- continue;
-
- if (ospf_abr_nexthops_belong_to_area (or, area))
- continue;
-
- if (area->external_routing != OSPF_AREA_DEFAULT)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr(): "
- "area %s doesn't support external routing",
- inet_ntoa(area->area_id));
- continue;
- }
+ struct listnode *node;
+ struct ospf_area *area;
- if (or->path_type == OSPF_PATH_INTER_AREA)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr(): "
- "this is inter-area route to %s", inet_ntoa (p->prefix));
- if (!OSPF_IS_AREA_BACKBONE (area))
- ospf_abr_announce_rtr_to_area (p, or->cost, area);
- }
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_rtr(): Start");
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_rtr(): looking at area %s",
+ inet_ntoa(area->area_id));
+
+ if (IPV4_ADDR_SAME(& or->u.std.area_id, &area->area_id))
+ continue;
- if (or->path_type == OSPF_PATH_INTRA_AREA)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr(): "
- "this is intra-area route to %s", inet_ntoa (p->prefix));
- ospf_abr_announce_rtr_to_area (p, or->cost, area);
+ if (ospf_abr_nexthops_belong_to_area(or, area))
+ continue;
+
+ if (area->external_routing != OSPF_AREA_DEFAULT) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_rtr(): "
+ "area %s doesn't support external routing",
+ inet_ntoa(area->area_id));
+ continue;
+ }
+
+ if (or->path_type == OSPF_PATH_INTER_AREA) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_rtr(): "
+ "this is inter-area route to %s",
+ inet_ntoa(p->prefix));
+ if (!OSPF_IS_AREA_BACKBONE(area))
+ ospf_abr_announce_rtr_to_area(p, or->cost,
+ area);
+ }
+
+ if (or->path_type == OSPF_PATH_INTRA_AREA) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_rtr(): "
+ "this is intra-area route to %s",
+ inet_ntoa(p->prefix));
+ ospf_abr_announce_rtr_to_area(p, or->cost, area);
+ }
}
- }
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_rtr(): Stop");
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_rtr(): Stop");
}
-static void
-ospf_abr_process_router_rt (struct ospf *ospf, struct route_table *rt)
+static void ospf_abr_process_router_rt(struct ospf *ospf,
+ struct route_table *rt)
{
- struct ospf_route *or;
- struct route_node *rn;
- struct list *l;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_router_rt(): Start");
-
- for (rn = route_top (rt); rn; rn = route_next (rn))
- {
- struct listnode *node, *nnode;
- char flag = 0;
- struct ospf_route *best = NULL;
-
- if (rn->info == NULL)
- continue;
-
- l = rn->info;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_router_rt(): this is a route to %s",
- inet_ntoa (rn->p.u.prefix4));
-
- for (ALL_LIST_ELEMENTS (l, node, nnode, or))
- {
- if (!ospf_area_lookup_by_area_id (ospf, or->u.std.area_id))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_router_rt(): area %s no longer exists",
- inet_ntoa (or->u.std.area_id));
- continue;
- }
-
-
- if (!CHECK_FLAG (or->u.std.flags, ROUTER_LSA_EXTERNAL))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_router_rt(): "
- "This is not an ASBR, skipping");
- continue;
- }
-
- if (!flag)
- {
- best = ospf_find_asbr_route (ospf, rt,
- (struct prefix_ipv4 *) &rn->p);
- flag = 1;
- }
-
- if (best == NULL)
- continue;
-
- if (or != best)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_router_rt(): "
- "This route is not the best among possible, skipping");
- continue;
- }
-
- if (or->path_type == OSPF_PATH_INTER_AREA &&
- !OSPF_IS_AREA_ID_BACKBONE (or->u.std.area_id))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_router_rt(): "
- "This route is not a backbone one, skipping");
- continue;
- }
-
- if (or->cost >= OSPF_LS_INFINITY)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_router_rt(): "
- "This route has LS_INFINITY metric, skipping");
- continue;
- }
-
- if (ospf->abr_type == OSPF_ABR_CISCO
- || ospf->abr_type == OSPF_ABR_IBM)
- if (!ospf_act_bb_connection (ospf)
- && or->path_type != OSPF_PATH_INTRA_AREA)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug("ospf_abr_process_network_rt(): ALT ABR: "
- "No BB connection, skip not intra-area routes");
- continue;
- }
-
- ospf_abr_announce_rtr (ospf, (struct prefix_ipv4 *) &rn->p, or);
+ struct ospf_route * or ;
+ struct route_node *rn;
+ struct list *l;
- }
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_process_router_rt(): Start");
- }
+ for (rn = route_top(rt); rn; rn = route_next(rn)) {
+ struct listnode *node, *nnode;
+ char flag = 0;
+ struct ospf_route *best = NULL;
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_process_router_rt(): Stop");
+ if (rn->info == NULL)
+ continue;
+
+ l = rn->info;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_router_rt(): this is a route to %s",
+ inet_ntoa(rn->p.u.prefix4));
+
+ for (ALL_LIST_ELEMENTS(l, node, nnode, or)) {
+ if (!ospf_area_lookup_by_area_id(ospf,
+ or->u.std.area_id)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_router_rt(): area %s no longer exists",
+ inet_ntoa(or->u.std.area_id));
+ continue;
+ }
+
+
+ if (!CHECK_FLAG(or->u.std.flags, ROUTER_LSA_EXTERNAL)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_router_rt(): "
+ "This is not an ASBR, skipping");
+ continue;
+ }
+
+ if (!flag) {
+ best = ospf_find_asbr_route(
+ ospf, rt, (struct prefix_ipv4 *)&rn->p);
+ flag = 1;
+ }
+
+ if (best == NULL)
+ continue;
+
+ if (or != best) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_router_rt(): "
+ "This route is not the best among possible, skipping");
+ continue;
+ }
+
+ if (
+ or->path_type == OSPF_PATH_INTER_AREA
+ && !OSPF_IS_AREA_ID_BACKBONE(
+ or->u.std.area_id)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_router_rt(): "
+ "This route is not a backbone one, skipping");
+ continue;
+ }
+
+ if (or->cost >= OSPF_LS_INFINITY) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_router_rt(): "
+ "This route has LS_INFINITY metric, skipping");
+ continue;
+ }
+
+ if (ospf->abr_type == OSPF_ABR_CISCO
+ || ospf->abr_type == OSPF_ABR_IBM)
+ if (!ospf_act_bb_connection(ospf) &&
+ or->path_type != OSPF_PATH_INTRA_AREA) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_process_network_rt(): ALT ABR: "
+ "No BB connection, skip not intra-area routes");
+ continue;
+ }
+
+ ospf_abr_announce_rtr(ospf,
+ (struct prefix_ipv4 *)&rn->p, or);
+ }
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_process_router_rt(): Stop");
}
static void
-ospf_abr_unapprove_translates (struct ospf *ospf) /* For NSSA Translations */
+ospf_abr_unapprove_translates(struct ospf *ospf) /* For NSSA Translations */
{
- struct ospf_lsa *lsa;
- struct route_node *rn;
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_unapprove_translates(): Start");
-
- /* NSSA Translator is not checked, because it may have gone away,
- and we would want to flush any residuals anyway */
-
- LSDB_LOOP (EXTERNAL_LSDB (ospf), rn, lsa)
- if (CHECK_FLAG (lsa->flags, OSPF_LSA_LOCAL_XLT))
- {
- UNSET_FLAG (lsa->flags, OSPF_LSA_APPROVED);
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_unapprove_translates(): "
- "approved unset on link id %s",
- inet_ntoa (lsa->data->id));
- }
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_unapprove_translates(): Stop");
+ struct ospf_lsa *lsa;
+ struct route_node *rn;
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_unapprove_translates(): Start");
+
+ /* NSSA Translator is not checked, because it may have gone away,
+ and we would want to flush any residuals anyway */
+
+ LSDB_LOOP (EXTERNAL_LSDB(ospf), rn, lsa)
+ if (CHECK_FLAG(lsa->flags, OSPF_LSA_LOCAL_XLT)) {
+ UNSET_FLAG(lsa->flags, OSPF_LSA_APPROVED);
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_unapprove_translates(): "
+ "approved unset on link id %s",
+ inet_ntoa(lsa->data->id));
+ }
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_unapprove_translates(): Stop");
}
-static void
-ospf_abr_unapprove_summaries (struct ospf *ospf)
+static void ospf_abr_unapprove_summaries(struct ospf *ospf)
{
- struct listnode *node;
- struct ospf_area *area;
- struct route_node *rn;
- struct ospf_lsa *lsa;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_unapprove_summaries(): Start");
-
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_unapprove_summaries(): "
- "considering area %s",
- inet_ntoa (area->area_id));
- LSDB_LOOP (SUMMARY_LSDB (area), rn, lsa)
- if (ospf_lsa_is_self_originated (ospf, lsa))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_unapprove_summaries(): "
- "approved unset on summary link id %s",
- inet_ntoa (lsa->data->id));
- UNSET_FLAG (lsa->flags, OSPF_LSA_APPROVED);
- }
-
- LSDB_LOOP (ASBR_SUMMARY_LSDB (area), rn, lsa)
- if (ospf_lsa_is_self_originated (ospf, lsa))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_unapprove_summaries(): "
- "approved unset on asbr-summary link id %s",
- inet_ntoa (lsa->data->id));
- UNSET_FLAG (lsa->flags, OSPF_LSA_APPROVED);
- }
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_unapprove_summaries(): Stop");
+ struct listnode *node;
+ struct ospf_area *area;
+ struct route_node *rn;
+ struct ospf_lsa *lsa;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_unapprove_summaries(): Start");
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_unapprove_summaries(): "
+ "considering area %s",
+ inet_ntoa(area->area_id));
+ LSDB_LOOP (SUMMARY_LSDB(area), rn, lsa)
+ if (ospf_lsa_is_self_originated(ospf, lsa)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_unapprove_summaries(): "
+ "approved unset on summary link id %s",
+ inet_ntoa(lsa->data->id));
+ UNSET_FLAG(lsa->flags, OSPF_LSA_APPROVED);
+ }
+
+ LSDB_LOOP (ASBR_SUMMARY_LSDB(area), rn, lsa)
+ if (ospf_lsa_is_self_originated(ospf, lsa)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_unapprove_summaries(): "
+ "approved unset on asbr-summary link id %s",
+ inet_ntoa(lsa->data->id));
+ UNSET_FLAG(lsa->flags, OSPF_LSA_APPROVED);
+ }
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_unapprove_summaries(): Stop");
}
-static void
-ospf_abr_prepare_aggregates (struct ospf *ospf)
+static void ospf_abr_prepare_aggregates(struct ospf *ospf)
{
- struct listnode *node;
- struct route_node *rn;
- struct ospf_area_range *range;
- struct ospf_area *area;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_prepare_aggregates(): Start");
-
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- {
- for (rn = route_top (area->ranges); rn; rn = route_next (rn))
- if ((range = rn->info) != NULL)
- {
- range->cost = 0;
- range->specifics = 0;
- }
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_prepare_aggregates(): Stop");
+ struct listnode *node;
+ struct route_node *rn;
+ struct ospf_area_range *range;
+ struct ospf_area *area;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_prepare_aggregates(): Start");
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) {
+ for (rn = route_top(area->ranges); rn; rn = route_next(rn))
+ if ((range = rn->info) != NULL) {
+ range->cost = 0;
+ range->specifics = 0;
+ }
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_prepare_aggregates(): Stop");
}
-static void
-ospf_abr_announce_aggregates (struct ospf *ospf)
+static void ospf_abr_announce_aggregates(struct ospf *ospf)
{
- struct ospf_area *area, *ar;
- struct ospf_area_range *range;
- struct route_node *rn;
- struct prefix p;
- struct listnode *node, *n;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_aggregates(): Start");
-
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_aggregates(): looking at area %s",
- inet_ntoa (area->area_id));
-
- for (rn = route_top (area->ranges); rn; rn = route_next (rn))
- if ((range = rn->info))
- {
- if (!CHECK_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_aggregates():"
- " discarding suppress-ranges");
- continue;
- }
-
- p.family = AF_INET;
- p.u.prefix4 = range->addr;
- p.prefixlen = range->masklen;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_aggregates():"
- " this is range: %s/%d",
- inet_ntoa (p.u.prefix4), p.prefixlen);
-
- if (CHECK_FLAG (range->flags, OSPF_AREA_RANGE_SUBSTITUTE))
- {
- p.family = AF_INET;
- p.u.prefix4 = range->subst_addr;
- p.prefixlen = range->subst_masklen;
- }
-
- if (range->specifics)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_aggregates(): active range");
+ struct ospf_area *area, *ar;
+ struct ospf_area_range *range;
+ struct route_node *rn;
+ struct prefix p;
+ struct listnode *node, *n;
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, n, ar))
- {
- if (ar == area)
- continue;
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_aggregates(): Start");
- /* We do not check nexthops here, because
- intra-area routes can be associated with
- one area only */
-
- /* backbone routes are not summarized
- when announced into transit areas */
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_aggregates(): looking at area %s",
+ inet_ntoa(area->area_id));
+
+ for (rn = route_top(area->ranges); rn; rn = route_next(rn))
+ if ((range = rn->info)) {
+ if (!CHECK_FLAG(range->flags,
+ OSPF_AREA_RANGE_ADVERTISE)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_aggregates():"
+ " discarding suppress-ranges");
+ continue;
+ }
+
+ p.family = AF_INET;
+ p.u.prefix4 = range->addr;
+ p.prefixlen = range->masklen;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_aggregates():"
+ " this is range: %s/%d",
+ inet_ntoa(p.u.prefix4),
+ p.prefixlen);
+
+ if (CHECK_FLAG(range->flags,
+ OSPF_AREA_RANGE_SUBSTITUTE)) {
+ p.family = AF_INET;
+ p.u.prefix4 = range->subst_addr;
+ p.prefixlen = range->subst_masklen;
+ }
+
+ if (range->specifics) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_aggregates(): active range");
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas,
+ n, ar)) {
+ if (ar == area)
+ continue;
+
+ /* We do not check nexthops
+ here, because
+ intra-area routes can be
+ associated with
+ one area only */
+
+ /* backbone routes are not
+ summarized
+ when announced into transit
+ areas */
+
+ if (ospf_area_is_transit(ar)
+ && OSPF_IS_AREA_BACKBONE(
+ area)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_aggregates(): Skipping "
+ "announcement of BB aggregate into"
+ " a transit area");
+ continue;
+ }
+ ospf_abr_announce_network_to_area(
+ (struct prefix_ipv4
+ *)&p,
+ range->cost, ar);
+ }
+ }
+ }
+ }
- if (ospf_area_is_transit (ar) &&
- OSPF_IS_AREA_BACKBONE (area))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_aggregates(): Skipping "
- "announcement of BB aggregate into"
- " a transit area");
- continue;
- }
- ospf_abr_announce_network_to_area ((struct prefix_ipv4 *)&p, range->cost, ar);
- }
- }
- }
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_aggregates(): Stop");
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_aggregates(): Stop");
}
static void
-ospf_abr_send_nssa_aggregates (struct ospf *ospf) /* temporarily turned off */
+ospf_abr_send_nssa_aggregates(struct ospf *ospf) /* temporarily turned off */
{
- struct listnode *node; /*, n; */
- struct ospf_area *area; /*, *ar; */
- struct route_node *rn;
- struct ospf_area_range *range;
- struct prefix_ipv4 p;
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_send_nssa_aggregates(): Start");
-
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- {
- if (! area->NSSATranslatorState)
- continue;
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_send_nssa_aggregates(): looking at area %s",
- inet_ntoa (area->area_id));
-
- for (rn = route_top (area->ranges); rn; rn = route_next (rn))
- {
- if (rn->info == NULL)
- continue;
-
- range = rn->info;
-
- if (!CHECK_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE))
- {
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_send_nssa_aggregates():"
- " discarding suppress-ranges");
- continue;
- }
-
- p.family = AF_INET;
- p.prefix = range->addr;
- p.prefixlen = range->masklen;
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_send_nssa_aggregates():"
- " this is range: %s/%d",
- inet_ntoa (p.prefix), p.prefixlen);
-
- if (CHECK_FLAG (range->flags, OSPF_AREA_RANGE_SUBSTITUTE))
- {
- p.family = AF_INET;
- p.prefix = range->subst_addr;
- p.prefixlen = range->subst_masklen;
- }
-
- if (range->specifics)
- {
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_send_nssa_aggregates(): active range");
-
- /* Fetch LSA-Type-7 from aggregate prefix, and then
- * translate, Install (as Type-5), Approve, and Flood
- */
- ospf_abr_translate_nssa_range (&p, range->cost);
- }
- } /* all area ranges*/
- } /* all areas */
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_send_nssa_aggregates(): Stop");
+ struct listnode *node; /*, n; */
+ struct ospf_area *area; /*, *ar; */
+ struct route_node *rn;
+ struct ospf_area_range *range;
+ struct prefix_ipv4 p;
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_send_nssa_aggregates(): Start");
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) {
+ if (!area->NSSATranslatorState)
+ continue;
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_send_nssa_aggregates(): looking at area %s",
+ inet_ntoa(area->area_id));
+
+ for (rn = route_top(area->ranges); rn; rn = route_next(rn)) {
+ if (rn->info == NULL)
+ continue;
+
+ range = rn->info;
+
+ if (!CHECK_FLAG(range->flags,
+ OSPF_AREA_RANGE_ADVERTISE)) {
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_send_nssa_aggregates():"
+ " discarding suppress-ranges");
+ continue;
+ }
+
+ p.family = AF_INET;
+ p.prefix = range->addr;
+ p.prefixlen = range->masklen;
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_send_nssa_aggregates():"
+ " this is range: %s/%d",
+ inet_ntoa(p.prefix), p.prefixlen);
+
+ if (CHECK_FLAG(range->flags,
+ OSPF_AREA_RANGE_SUBSTITUTE)) {
+ p.family = AF_INET;
+ p.prefix = range->subst_addr;
+ p.prefixlen = range->subst_masklen;
+ }
+
+ if (range->specifics) {
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_send_nssa_aggregates(): active range");
+
+ /* Fetch LSA-Type-7 from aggregate prefix, and
+ * then
+ * translate, Install (as Type-5), Approve, and
+ * Flood
+ */
+ ospf_abr_translate_nssa_range(&p, range->cost);
+ }
+ } /* all area ranges*/
+ } /* all areas */
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_send_nssa_aggregates(): Stop");
}
-static void
-ospf_abr_announce_stub_defaults (struct ospf *ospf)
+static void ospf_abr_announce_stub_defaults(struct ospf *ospf)
{
- struct listnode *node;
- struct ospf_area *area;
- struct prefix_ipv4 p;
-
- if (! IS_OSPF_ABR (ospf))
- return;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_stub_defaults(): Start");
-
- p.family = AF_INET;
- p.prefix.s_addr = OSPF_DEFAULT_DESTINATION;
- p.prefixlen = 0;
-
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_stub_defaults(): looking at area %s",
- inet_ntoa (area->area_id));
-
- if ( (area->external_routing != OSPF_AREA_STUB)
- && (area->external_routing != OSPF_AREA_NSSA)
- )
- continue;
-
- if (OSPF_IS_AREA_BACKBONE (area))
- continue; /* Sanity Check */
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_stub_defaults(): "
- "announcing 0.0.0.0/0 to area %s",
- inet_ntoa (area->area_id));
- ospf_abr_announce_network_to_area (&p, area->default_cost, area);
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_announce_stub_defaults(): Stop");
+ struct listnode *node;
+ struct ospf_area *area;
+ struct prefix_ipv4 p;
+
+ if (!IS_OSPF_ABR(ospf))
+ return;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_stub_defaults(): Start");
+
+ p.family = AF_INET;
+ p.prefix.s_addr = OSPF_DEFAULT_DESTINATION;
+ p.prefixlen = 0;
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_stub_defaults(): looking at area %s",
+ inet_ntoa(area->area_id));
+
+ if ((area->external_routing != OSPF_AREA_STUB)
+ && (area->external_routing != OSPF_AREA_NSSA))
+ continue;
+
+ if (OSPF_IS_AREA_BACKBONE(area))
+ continue; /* Sanity Check */
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_announce_stub_defaults(): "
+ "announcing 0.0.0.0/0 to area %s",
+ inet_ntoa(area->area_id));
+ ospf_abr_announce_network_to_area(&p, area->default_cost, area);
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_announce_stub_defaults(): Stop");
}
-static int
-ospf_abr_remove_unapproved_translates_apply (struct ospf *ospf,
- struct ospf_lsa *lsa)
+static int ospf_abr_remove_unapproved_translates_apply(struct ospf *ospf,
+ struct ospf_lsa *lsa)
{
- if (CHECK_FLAG (lsa->flags, OSPF_LSA_LOCAL_XLT)
- && ! CHECK_FLAG (lsa->flags, OSPF_LSA_APPROVED))
- {
- zlog_info ("ospf_abr_remove_unapproved_translates(): "
- "removing unapproved translates, ID: %s",
- inet_ntoa (lsa->data->id));
-
- /* FLUSH THROUGHOUT AS */
- ospf_lsa_flush_as (ospf, lsa);
-
- /* DISCARD from LSDB */
- }
- return 0;
+ if (CHECK_FLAG(lsa->flags, OSPF_LSA_LOCAL_XLT)
+ && !CHECK_FLAG(lsa->flags, OSPF_LSA_APPROVED)) {
+ zlog_info(
+ "ospf_abr_remove_unapproved_translates(): "
+ "removing unapproved translates, ID: %s",
+ inet_ntoa(lsa->data->id));
+
+ /* FLUSH THROUGHOUT AS */
+ ospf_lsa_flush_as(ospf, lsa);
+
+ /* DISCARD from LSDB */
+ }
+ return 0;
}
-static void
-ospf_abr_remove_unapproved_translates (struct ospf *ospf)
+static void ospf_abr_remove_unapproved_translates(struct ospf *ospf)
{
- struct route_node *rn;
- struct ospf_lsa *lsa;
-
- /* All AREA PROCESS should have APPROVED necessary LSAs */
- /* Remove any left over and not APPROVED */
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_remove_unapproved_translates(): Start");
-
- LSDB_LOOP (EXTERNAL_LSDB (ospf), rn, lsa)
- ospf_abr_remove_unapproved_translates_apply (ospf, lsa);
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_remove_unapproved_translates(): Stop");
+ struct route_node *rn;
+ struct ospf_lsa *lsa;
+
+ /* All AREA PROCESS should have APPROVED necessary LSAs */
+ /* Remove any left over and not APPROVED */
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_remove_unapproved_translates(): Start");
+
+ LSDB_LOOP (EXTERNAL_LSDB(ospf), rn, lsa)
+ ospf_abr_remove_unapproved_translates_apply(ospf, lsa);
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_remove_unapproved_translates(): Stop");
}
-static void
-ospf_abr_remove_unapproved_summaries (struct ospf *ospf)
+static void ospf_abr_remove_unapproved_summaries(struct ospf *ospf)
{
- struct listnode *node;
- struct ospf_area *area;
- struct route_node *rn;
- struct ospf_lsa *lsa;
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_remove_unapproved_summaries(): Start");
-
- for (ALL_LIST_ELEMENTS_RO (ospf->areas, node, area))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_remove_unapproved_summaries(): "
- "looking at area %s", inet_ntoa (area->area_id));
-
- LSDB_LOOP (SUMMARY_LSDB (area), rn, lsa)
- if (ospf_lsa_is_self_originated (ospf, lsa))
- if (!CHECK_FLAG (lsa->flags, OSPF_LSA_APPROVED))
- ospf_lsa_flush_area (lsa, area);
-
- LSDB_LOOP (ASBR_SUMMARY_LSDB (area), rn, lsa)
- if (ospf_lsa_is_self_originated (ospf, lsa))
- if (!CHECK_FLAG (lsa->flags, OSPF_LSA_APPROVED))
- ospf_lsa_flush_area (lsa, area);
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_remove_unapproved_summaries(): Stop");
+ struct listnode *node;
+ struct ospf_area *area;
+ struct route_node *rn;
+ struct ospf_lsa *lsa;
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_remove_unapproved_summaries(): Start");
+
+ for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_remove_unapproved_summaries(): "
+ "looking at area %s",
+ inet_ntoa(area->area_id));
+
+ LSDB_LOOP (SUMMARY_LSDB(area), rn, lsa)
+ if (ospf_lsa_is_self_originated(ospf, lsa))
+ if (!CHECK_FLAG(lsa->flags, OSPF_LSA_APPROVED))
+ ospf_lsa_flush_area(lsa, area);
+
+ LSDB_LOOP (ASBR_SUMMARY_LSDB(area), rn, lsa)
+ if (ospf_lsa_is_self_originated(ospf, lsa))
+ if (!CHECK_FLAG(lsa->flags, OSPF_LSA_APPROVED))
+ ospf_lsa_flush_area(lsa, area);
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_remove_unapproved_summaries(): Stop");
}
-static void
-ospf_abr_manage_discard_routes (struct ospf *ospf)
+static void ospf_abr_manage_discard_routes(struct ospf *ospf)
{
- struct listnode *node, *nnode;
- struct route_node *rn;
- struct ospf_area *area;
- struct ospf_area_range *range;
-
- for (ALL_LIST_ELEMENTS (ospf->areas, node, nnode, area))
- for (rn = route_top (area->ranges); rn; rn = route_next (rn))
- if ((range = rn->info) != NULL)
- if (CHECK_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE))
- {
- if (range->specifics)
- ospf_add_discard_route (ospf->new_table, area,
- (struct prefix_ipv4 *) &rn->p);
- else
- ospf_delete_discard_route (ospf->new_table,
- (struct prefix_ipv4 *) &rn->p);
- }
+ struct listnode *node, *nnode;
+ struct route_node *rn;
+ struct ospf_area *area;
+ struct ospf_area_range *range;
+
+ for (ALL_LIST_ELEMENTS(ospf->areas, node, nnode, area))
+ for (rn = route_top(area->ranges); rn; rn = route_next(rn))
+ if ((range = rn->info) != NULL)
+ if (CHECK_FLAG(range->flags,
+ OSPF_AREA_RANGE_ADVERTISE)) {
+ if (range->specifics)
+ ospf_add_discard_route(
+ ospf, ospf->new_table,
+ area,
+ (struct prefix_ipv4
+ *)&rn->p);
+ else
+ ospf_delete_discard_route(
+ ospf, ospf->new_table,
+ (struct prefix_ipv4
+ *)&rn->p);
+ }
}
/* This is the function taking care about ABR NSSA, i.e. NSSA
For External Calculations, any NSSA areas use the Type-7 AREA-LSDB,
any ABR-non-NSSA areas use the Type-5 GLOBAL-LSDB. */
-static void
-ospf_abr_nssa_task (struct ospf *ospf) /* called only if any_nssa */
+static void ospf_abr_nssa_task(struct ospf *ospf) /* called only if any_nssa */
{
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("Check for NSSA-ABR Tasks():");
-
- if (! IS_OSPF_ABR (ospf))
- return;
-
- if (! ospf->anyNSSA)
- return;
-
- /* Each area must confirm TranslatorRole */
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_nssa_task(): Start");
-
- /* For all Global Entries flagged "local-translate", unset APPROVED */
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_nssa_task(): unapprove translates");
-
- ospf_abr_unapprove_translates (ospf);
-
- /* RESET all Ranges in every Area, same as summaries */
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_nssa_task(): NSSA initialize aggregates");
- ospf_abr_prepare_aggregates (ospf); /*TURNED OFF just for now */
-
- /* For all NSSAs, Type-7s, translate to 5's, INSTALL/FLOOD, or
- * Aggregate as Type-7
- * Install or Approve in Type-5 Global LSDB
- */
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_nssa_task(): process translates");
- ospf_abr_process_nssa_translates (ospf);
-
- /* Translate/Send any "ranged" aggregates, and also 5-Install and
- * Approve
- * Scan Type-7's for aggregates, translate to Type-5's,
- * Install/Flood/Approve
- */
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug("ospf_abr_nssa_task(): send NSSA aggregates");
- ospf_abr_send_nssa_aggregates (ospf); /*TURNED OFF FOR NOW */
-
- /* Send any NSSA defaults as Type-5
- *if (IS_DEBUG_OSPF_NSSA)
- * zlog_debug ("ospf_abr_nssa_task(): announce nssa defaults");
- *ospf_abr_announce_nssa_defaults (ospf);
- * havnt a clue what above is supposed to do.
- */
-
- /* Flush any unapproved previous translates from Global Data Base */
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_nssa_task(): remove unapproved translates");
- ospf_abr_remove_unapproved_translates (ospf);
-
- ospf_abr_manage_discard_routes (ospf); /* same as normal...discard */
-
- if (IS_DEBUG_OSPF_NSSA)
- zlog_debug ("ospf_abr_nssa_task(): Stop");
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("Check for NSSA-ABR Tasks():");
+
+ if (!IS_OSPF_ABR(ospf))
+ return;
+
+ if (!ospf->anyNSSA)
+ return;
+
+ /* Each area must confirm TranslatorRole */
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_nssa_task(): Start");
+
+ /* For all Global Entries flagged "local-translate", unset APPROVED */
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_nssa_task(): unapprove translates");
+
+ ospf_abr_unapprove_translates(ospf);
+
+ /* RESET all Ranges in every Area, same as summaries */
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_nssa_task(): NSSA initialize aggregates");
+ ospf_abr_prepare_aggregates(ospf); /*TURNED OFF just for now */
+
+ /* For all NSSAs, Type-7s, translate to 5's, INSTALL/FLOOD, or
+ * Aggregate as Type-7
+ * Install or Approve in Type-5 Global LSDB
+ */
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_nssa_task(): process translates");
+ ospf_abr_process_nssa_translates(ospf);
+
+ /* Translate/Send any "ranged" aggregates, and also 5-Install and
+ * Approve
+ * Scan Type-7's for aggregates, translate to Type-5's,
+ * Install/Flood/Approve
+ */
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_nssa_task(): send NSSA aggregates");
+ ospf_abr_send_nssa_aggregates(ospf); /*TURNED OFF FOR NOW */
+
+ /* Send any NSSA defaults as Type-5
+ *if (IS_DEBUG_OSPF_NSSA)
+ * zlog_debug ("ospf_abr_nssa_task(): announce nssa defaults");
+ *ospf_abr_announce_nssa_defaults (ospf);
+ * havnt a clue what above is supposed to do.
+ */
+
+ /* Flush any unapproved previous translates from Global Data Base */
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug(
+ "ospf_abr_nssa_task(): remove unapproved translates");
+ ospf_abr_remove_unapproved_translates(ospf);
+
+ ospf_abr_manage_discard_routes(ospf); /* same as normal...discard */
+
+ if (IS_DEBUG_OSPF_NSSA)
+ zlog_debug("ospf_abr_nssa_task(): Stop");
}
/* This is the function taking care about ABR stuff, i.e.
summary-LSA origination and flooding. */
-void
-ospf_abr_task (struct ospf *ospf)
+void ospf_abr_task(struct ospf *ospf)
{
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): Start");
-
- if (ospf->new_table == NULL || ospf->new_rtrs == NULL)
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): Routing tables are not yet ready");
- return;
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): unapprove summaries");
- ospf_abr_unapprove_summaries (ospf);
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): prepare aggregates");
- ospf_abr_prepare_aggregates (ospf);
-
- if (IS_OSPF_ABR (ospf))
- {
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): process network RT");
- ospf_abr_process_network_rt (ospf, ospf->new_table);
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): process router RT");
- ospf_abr_process_router_rt (ospf, ospf->new_rtrs);
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): announce aggregates");
- ospf_abr_announce_aggregates (ospf);
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): announce stub defaults");
- ospf_abr_announce_stub_defaults (ospf);
- }
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): remove unapproved summaries");
- ospf_abr_remove_unapproved_summaries (ospf);
-
- ospf_abr_manage_discard_routes (ospf);
-
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("ospf_abr_task(): Stop");
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_task(): Start");
+
+ if (ospf->new_table == NULL || ospf->new_rtrs == NULL) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug(
+ "ospf_abr_task(): Routing tables are not yet ready");
+ return;
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_task(): unapprove summaries");
+ ospf_abr_unapprove_summaries(ospf);
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_task(): prepare aggregates");
+ ospf_abr_prepare_aggregates(ospf);
+
+ if (IS_OSPF_ABR(ospf)) {
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_task(): process network RT");
+ ospf_abr_process_network_rt(ospf, ospf->new_table);
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_task(): process router RT");
+ ospf_abr_process_router_rt(ospf, ospf->new_rtrs);
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_task(): announce aggregates");
+ ospf_abr_announce_aggregates(ospf);
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_task(): announce stub defaults");
+ ospf_abr_announce_stub_defaults(ospf);
+ }
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_task(): remove unapproved summaries");
+ ospf_abr_remove_unapproved_summaries(ospf);
+
+ ospf_abr_manage_discard_routes(ospf);
+
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("ospf_abr_task(): Stop");
}
-static int
-ospf_abr_task_timer (struct thread *thread)
+static int ospf_abr_task_timer(struct thread *thread)
{
- struct ospf *ospf = THREAD_ARG (thread);
+ struct ospf *ospf = THREAD_ARG(thread);
- ospf->t_abr_task = 0;
+ ospf->t_abr_task = 0;
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("Running ABR task on timer");
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("Running ABR task on timer");
- ospf_check_abr_status (ospf);
- ospf_abr_nssa_check_status (ospf);
+ ospf_check_abr_status(ospf);
+ ospf_abr_nssa_check_status(ospf);
- ospf_abr_task (ospf);
- ospf_abr_nssa_task (ospf); /* if nssa-abr, then scan Type-7 LSDB */
+ ospf_abr_task(ospf);
+ ospf_abr_nssa_task(ospf); /* if nssa-abr, then scan Type-7 LSDB */
- return 0;
+ return 0;
}
-void
-ospf_schedule_abr_task (struct ospf *ospf)
+void ospf_schedule_abr_task(struct ospf *ospf)
{
- if (IS_DEBUG_OSPF_EVENT)
- zlog_debug ("Scheduling ABR task");
+ if (IS_DEBUG_OSPF_EVENT)
+ zlog_debug("Scheduling ABR task");
- thread_add_timer(master, ospf_abr_task_timer, ospf, OSPF_ABR_TASK_DELAY,
- &ospf->t_abr_task);
+ thread_add_timer(master, ospf_abr_task_timer, ospf, OSPF_ABR_TASK_DELAY,
+ &ospf->t_abr_task);
}
projects / mirror_frr.git / blobdiff