summaryrefslogtreecommitdiff
path: root/ospf6d/ospf6_asbr.c
diff options
context:
space:
mode:
Diffstat (limited to 'ospf6d/ospf6_asbr.c')
-rw-r--r--ospf6d/ospf6_asbr.c293
1 files changed, 157 insertions, 136 deletions
diff --git a/ospf6d/ospf6_asbr.c b/ospf6d/ospf6_asbr.c
index b52f1cef6c..c23fe99bc8 100644
--- a/ospf6d/ospf6_asbr.c
+++ b/ospf6d/ospf6_asbr.c
@@ -164,9 +164,10 @@ int ospf6_orig_as_external_lsa(struct thread *thread)
adv_router = oi->area->ospf6->router_id;
for (ALL_LSDB_TYPED_ADVRTR(ospf6->lsdb, type, adv_router, lsa)) {
if (IS_OSPF6_DEBUG_ASBR)
- zlog_debug("%s: Send update of AS-External LSA %s seq 0x%x",
- __PRETTY_FUNCTION__, lsa->name,
- ntohl(lsa->header->seqnum));
+ zlog_debug(
+ "%s: Send update of AS-External LSA %s seq 0x%x",
+ __PRETTY_FUNCTION__, lsa->name,
+ ntohl(lsa->header->seqnum));
ospf6_flood_interface(NULL, lsa, oi);
}
@@ -216,34 +217,36 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
for (old_route = old; old_route; old_route = old_route->next) {
bool route_updated = false;
- if (!ospf6_route_is_same(old_route, route) ||
- (old_route->path.type != route->path.type))
+ if (!ospf6_route_is_same(old_route, route)
+ || (old_route->path.type != route->path.type))
continue;
/* Current and New route has same origin,
* delete old entry.
*/
for (ALL_LIST_ELEMENTS(old_route->paths, anode, anext,
- o_path)) {
+ o_path)) {
/* Check old route path and route has same
* origin.
*/
- if (o_path->area_id != route->path.area_id ||
- (memcmp(&(o_path)->origin, &(route)->path.origin,
- sizeof(struct ospf6_ls_origin)) != 0))
+ if (o_path->area_id != route->path.area_id
+ || (memcmp(&(o_path)->origin, &(route)->path.origin,
+ sizeof(struct ospf6_ls_origin))
+ != 0))
continue;
/* Cost is not same then delete current path */
- if ((o_path->cost == route->path.cost) &&
- (o_path->u.cost_e2 == route->path.u.cost_e2))
+ if ((o_path->cost == route->path.cost)
+ && (o_path->u.cost_e2 == route->path.u.cost_e2))
continue;
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
prefix2str(&old_route->prefix, buf,
sizeof(buf));
- zlog_debug("%s: route %s cost old %u new %u is not same, replace route",
- __PRETTY_FUNCTION__, buf,
- o_path->cost, route->path.cost);
+ zlog_debug(
+ "%s: route %s cost old %u new %u is not same, replace route",
+ __PRETTY_FUNCTION__, buf, o_path->cost,
+ route->path.cost);
}
/* Remove selected current rout path's nh from
@@ -251,11 +254,11 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
*/
for (ALL_LIST_ELEMENTS_RO(o_path->nh_list, nnode, nh)) {
for (ALL_LIST_ELEMENTS(old_route->nh_list,
- rnode, rnext, rnh)) {
+ rnode, rnext, rnh)) {
if (!ospf6_nexthop_is_same(rnh, nh))
continue;
listnode_delete(old_route->nh_list,
- rnh);
+ rnh);
ospf6_nexthop_delete(rnh);
route_updated = true;
}
@@ -270,14 +273,16 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
* Update FIB with effective NHs.
*/
if (listcount(old_route->paths)) {
- if (old_route->path.origin.id ==
- route->path.origin.id &&
- old_route->path.origin.adv_router ==
- route->path.origin.adv_router) {
+ if (old_route->path.origin.id
+ == route->path.origin.id
+ && old_route->path.origin.adv_router
+ == route->path.origin
+ .adv_router) {
struct ospf6_path *h_path;
h_path = (struct ospf6_path *)
- listgetdata(listhead(old_route->paths));
+ listgetdata(listhead(
+ old_route->paths));
old_route->path.origin.type =
h_path->origin.type;
old_route->path.origin.id =
@@ -288,7 +293,8 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
if (route_updated) {
for (ALL_LIST_ELEMENTS(old_route->paths,
- anode, anext, o_path)) {
+ anode, anext,
+ o_path)) {
ospf6_merge_nexthops(
old_route->nh_list,
o_path->nh_list);
@@ -297,18 +303,19 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
* nh_list
*/
if (ospf6->route_table->hook_add)
- (*ospf6->route_table->hook_add)
- (old_route);
+ (*ospf6->route_table->hook_add)(
+ old_route);
break;
}
} else {
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
prefix2str(&old_route->prefix, buf,
sizeof(buf));
- zlog_debug("%s: route %s old cost %u new cost %u, delete old entry.",
- __PRETTY_FUNCTION__, buf,
- old_route->path.cost,
- route->path.cost);
+ zlog_debug(
+ "%s: route %s old cost %u new cost %u, delete old entry.",
+ __PRETTY_FUNCTION__, buf,
+ old_route->path.cost,
+ route->path.cost);
}
ospf6_route_remove(old_route,
ospf6->route_table);
@@ -325,21 +332,22 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
/* Current and New Route prefix or route type
* is not same skip this current node.
*/
- if (!ospf6_route_is_same(old_route, route) ||
- (old_route->path.type != route->path.type))
+ if (!ospf6_route_is_same(old_route, route)
+ || (old_route->path.type != route->path.type))
continue;
/* Old Route and New Route have Equal Cost, Merge NHs */
- if ((old_route->path.cost == route->path.cost) &&
- (old_route->path.u.cost_e2 == route->path.u.cost_e2)) {
+ if ((old_route->path.cost == route->path.cost)
+ && (old_route->path.u.cost_e2 == route->path.u.cost_e2)) {
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
prefix2str(&old_route->prefix, buf,
sizeof(buf));
- zlog_debug("%s: old route %s path cost %u e2 %u",
- __PRETTY_FUNCTION__, buf,
- old_route->path.cost,
- old_route->path.u.cost_e2);
+ zlog_debug(
+ "%s: old route %s path cost %u e2 %u",
+ __PRETTY_FUNCTION__, buf,
+ old_route->path.cost,
+ old_route->path.u.cost_e2);
}
route_found = true;
/* check if this path exists already in
@@ -348,10 +356,11 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
*/
for (ALL_LIST_ELEMENTS_RO(old_route->paths, anode,
o_path)) {
- if (o_path->area_id == route->path.area_id &&
- (memcmp(&(o_path)->origin,
- &(route)->path.origin,
- sizeof(struct ospf6_ls_origin)) == 0))
+ if (o_path->area_id == route->path.area_id
+ && (memcmp(&(o_path)->origin,
+ &(route)->path.origin,
+ sizeof(struct ospf6_ls_origin))
+ == 0))
break;
}
/* If path is not found in old_route paths's list,
@@ -370,8 +379,8 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
/* Update RIB/FIB */
if (ospf6->route_table->hook_add)
- (*ospf6->route_table->hook_add)
- (old_route);
+ (*ospf6->route_table->hook_add)(
+ old_route);
/* Add the new path to route's path list */
listnode_add_sort(old_route->paths, ecmp_path);
@@ -379,20 +388,23 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
prefix2str(&route->prefix, buf,
sizeof(buf));
- zlog_debug("%s: route %s another path added with nh %u, effective paths %u nh %u",
+ zlog_debug(
+ "%s: route %s another path added with nh %u, effective paths %u nh %u",
__PRETTY_FUNCTION__, buf,
listcount(ecmp_path->nh_list),
- old_route->paths ?
- listcount(old_route->paths)
- : 0,
+ old_route->paths
+ ? listcount(
+ old_route
+ ->paths)
+ : 0,
listcount(old_route->nh_list));
}
} else {
for (ALL_LIST_ELEMENTS_RO(o_path->nh_list,
nnode, nh)) {
for (ALL_LIST_ELEMENTS(
- old_route->nh_list,
- rnode, rnext, rnh)) {
+ old_route->nh_list, rnode,
+ rnext, rnh)) {
if (!ospf6_nexthop_is_same(rnh,
nh))
continue;
@@ -405,27 +417,28 @@ void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old,
}
list_delete_all_node(o_path->nh_list);
ospf6_copy_nexthops(o_path->nh_list,
- route->nh_list);
+ route->nh_list);
/* Merge nexthop to existing route's nh_list */
- ospf6_route_merge_nexthops(old_route,
- route);
+ ospf6_route_merge_nexthops(old_route, route);
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
- prefix2str(&route->prefix,
- buf, sizeof(buf));
- zlog_debug("%s: existing route %s with effective nh count %u",
- __PRETTY_FUNCTION__, buf,
- old_route->nh_list ?
- listcount(old_route->nh_list)
- : 0);
+ prefix2str(&route->prefix, buf,
+ sizeof(buf));
+ zlog_debug(
+ "%s: existing route %s with effective nh count %u",
+ __PRETTY_FUNCTION__, buf,
+ old_route->nh_list
+ ? listcount(
+ old_route
+ ->nh_list)
+ : 0);
}
/* Update RIB/FIB */
if (ospf6->route_table->hook_add)
- (*ospf6->route_table->hook_add)
- (old_route);
-
+ (*ospf6->route_table->hook_add)(
+ old_route);
}
/* Delete the new route its info added to existing
* route.
@@ -524,9 +537,9 @@ void ospf6_asbr_lsa_add(struct ospf6_lsa *lsa)
prefix2str(&route->prefix, buf, sizeof(buf));
zlog_debug("%s: AS-External %u route add %s cost %u(%u) nh %u",
__PRETTY_FUNCTION__,
- (route->path.type == OSPF6_PATH_TYPE_EXTERNAL1)
- ? 1 : 2, buf, route->path.cost,
- route->path.u.cost_e2,
+ (route->path.type == OSPF6_PATH_TYPE_EXTERNAL1) ? 1
+ : 2,
+ buf, route->path.cost, route->path.u.cost_e2,
listcount(route->nh_list));
}
@@ -542,7 +555,6 @@ void ospf6_asbr_lsa_add(struct ospf6_lsa *lsa)
*/
ospf6_asbr_update_route_ecmp_path(old, route);
}
-
}
void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa,
@@ -587,9 +599,8 @@ void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa,
} else {
route_to_del->path.type = OSPF6_PATH_TYPE_EXTERNAL1;
route_to_del->path.metric_type = 1;
- route_to_del->path.cost =
- asbr_entry->path.cost +
- OSPF6_ASBR_METRIC(external);
+ route_to_del->path.cost = asbr_entry->path.cost
+ + OSPF6_ASBR_METRIC(external);
route_to_del->path.u.cost_e2 = 0;
}
}
@@ -610,15 +621,15 @@ void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa,
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
prefix2str(&prefix, buf, sizeof(buf));
- zlog_debug("%s: Current route %s cost %u e2 %u, route to del cost %u e2 %u",
- __PRETTY_FUNCTION__, buf, route->path.cost,
- route->path.u.cost_e2,
- route_to_del->path.cost,
- route_to_del->path.u.cost_e2);
+ zlog_debug(
+ "%s: Current route %s cost %u e2 %u, route to del cost %u e2 %u",
+ __PRETTY_FUNCTION__, buf, route->path.cost,
+ route->path.u.cost_e2, route_to_del->path.cost,
+ route_to_del->path.u.cost_e2);
}
- for (ospf6_route_lock(route); route &&
- ospf6_route_is_prefix(&prefix, route); route = nroute) {
+ for (ospf6_route_lock(route);
+ route && ospf6_route_is_prefix(&prefix, route); route = nroute) {
nroute = ospf6_route_next(route);
if (route->type != OSPF6_DEST_TYPE_NETWORK)
@@ -640,34 +651,36 @@ void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa,
* replace from paths list.
*/
for (ALL_LIST_ELEMENTS(route->paths, anode, anext,
- o_path)) {
+ o_path)) {
if ((o_path->origin.type != lsa->header->type)
- || (o_path->origin.adv_router !=
- lsa->header->adv_router) ||
- (o_path->origin.id != lsa->header->id))
+ || (o_path->origin.adv_router
+ != lsa->header->adv_router)
+ || (o_path->origin.id != lsa->header->id))
continue;
/* Compare LSA cost with current
* route info.
*/
- if (!asbr_entry && (o_path->cost !=
- route_to_del->path.cost ||
- o_path->u.cost_e2 !=
- route_to_del->path.u.cost_e2)) {
+ if (!asbr_entry
+ && (o_path->cost != route_to_del->path.cost
+ || o_path->u.cost_e2
+ != route_to_del->path.u
+ .cost_e2)) {
if (IS_OSPF6_DEBUG_EXAMIN(
- AS_EXTERNAL)) {
+ AS_EXTERNAL)) {
prefix2str(&prefix, buf,
sizeof(buf));
zlog_debug(
- "%s: route %s to delete is not same, cost %u del cost %u. skip",
- __PRETTY_FUNCTION__, buf,
- route->path.cost,
- route_to_del->path.cost);
+ "%s: route %s to delete is not same, cost %u del cost %u. skip",
+ __PRETTY_FUNCTION__,
+ buf, route->path.cost,
+ route_to_del->path
+ .cost);
}
continue;
}
- if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
+ if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
prefix2str(&prefix, buf, sizeof(buf));
zlog_debug(
"%s: route %s path found with nh %u to remove.",
@@ -681,9 +694,10 @@ void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa,
for (ALL_LIST_ELEMENTS_RO(o_path->nh_list,
nnode, nh)) {
for (ALL_LIST_ELEMENTS(route->nh_list,
- rnode, rnext, rnh)) {
+ rnode, rnext,
+ rnh)) {
if (!ospf6_nexthop_is_same(rnh,
- nh))
+ nh))
continue;
listnode_delete(route->nh_list,
rnh);
@@ -711,13 +725,15 @@ void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa,
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
prefix2str(&route->prefix, buf,
sizeof(buf));
- zlog_debug("%s: AS-External %u route %s update paths %u nh %u"
- , __PRETTY_FUNCTION__,
- (route->path.type ==
- OSPF6_PATH_TYPE_EXTERNAL1)
- ? 1 : 2, buf,
- listcount(route->paths),
- listcount(route->nh_list));
+ zlog_debug(
+ "%s: AS-External %u route %s update paths %u nh %u",
+ __PRETTY_FUNCTION__,
+ (route->path.type
+ == OSPF6_PATH_TYPE_EXTERNAL1)
+ ? 1
+ : 2,
+ buf, listcount(route->paths),
+ listcount(route->nh_list));
}
/* Update RIB/FIB with effective nh_list */
@@ -728,13 +744,14 @@ void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa,
* replace route's primary path with
* route's paths list head.
*/
- if (route->path.origin.id == lsa->header->id &&
- route->path.origin.adv_router ==
- lsa->header->adv_router) {
+ if (route->path.origin.id == lsa->header->id
+ && route->path.origin.adv_router
+ == lsa->header->adv_router) {
struct ospf6_path *h_path;
h_path = (struct ospf6_path *)
- listgetdata(listhead(route->paths));
+ listgetdata(
+ listhead(route->paths));
route->path.origin.type =
h_path->origin.type;
route->path.origin.id =
@@ -749,36 +766,39 @@ void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa,
/* Compare LSA origin and cost with current route info.
* if any check fails skip del this route node.
*/
- if (asbr_entry && (!ospf6_route_is_same_origin(route,
- route_to_del) ||
- (route->path.type != route_to_del->path.type) ||
- (route->path.cost != route_to_del->path.cost) ||
- (route->path.u.cost_e2 !=
- route_to_del->path.u.cost_e2))) {
+ if (asbr_entry
+ && (!ospf6_route_is_same_origin(route, route_to_del)
+ || (route->path.type != route_to_del->path.type)
+ || (route->path.cost != route_to_del->path.cost)
+ || (route->path.u.cost_e2
+ != route_to_del->path.u.cost_e2))) {
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
prefix2str(&prefix, buf, sizeof(buf));
- zlog_debug("%s: route %s to delete is not same, cost %u del cost %u. skip",
- __PRETTY_FUNCTION__, buf,
- route->path.cost,
- route_to_del->path.cost);
+ zlog_debug(
+ "%s: route %s to delete is not same, cost %u del cost %u. skip",
+ __PRETTY_FUNCTION__, buf,
+ route->path.cost,
+ route_to_del->path.cost);
}
continue;
}
- if ((route->path.origin.type != lsa->header->type) ||
- (route->path.origin.adv_router !=
- lsa->header->adv_router) ||
- (route->path.origin.id != lsa->header->id))
+ if ((route->path.origin.type != lsa->header->type)
+ || (route->path.origin.adv_router
+ != lsa->header->adv_router)
+ || (route->path.origin.id != lsa->header->id))
continue;
}
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) {
prefix2str(&route->prefix, buf, sizeof(buf));
- zlog_debug("%s: AS-External %u route remove %s cost %u(%u) nh %u",
- __PRETTY_FUNCTION__,
- route->path.type == OSPF6_PATH_TYPE_EXTERNAL1
- ? 1 : 2, buf, route->path.cost,
- route->path.u.cost_e2,
- listcount(route->nh_list));
+ zlog_debug(
+ "%s: AS-External %u route remove %s cost %u(%u) nh %u",
+ __PRETTY_FUNCTION__,
+ route->path.type == OSPF6_PATH_TYPE_EXTERNAL1
+ ? 1
+ : 2,
+ buf, route->path.cost, route->path.u.cost_e2,
+ listcount(route->nh_list));
}
ospf6_route_remove(route, ospf6->route_table);
}
@@ -852,8 +872,8 @@ static int ospf6_asbr_routemap_update_timer(struct thread *thread)
ospf6->t_distribute_update = NULL;
if (ospf6->rmap[arg_type].name)
- ospf6->rmap[arg_type].map = route_map_lookup_by_name(
- ospf6->rmap[arg_type].name);
+ ospf6->rmap[arg_type].map =
+ route_map_lookup_by_name(ospf6->rmap[arg_type].name);
if (ospf6->rmap[arg_type].map) {
if (IS_OSPF6_DEBUG_ASBR)
zlog_debug("%s: route-map %s update, reset redist %s",
@@ -876,7 +896,7 @@ void ospf6_asbr_distribute_list_update(int type)
if (ospf6->t_distribute_update)
return;
- args = XCALLOC(MTYPE_OSPF6_DIST_ARGS, sizeof(void *)*2);
+ args = XCALLOC(MTYPE_OSPF6_DIST_ARGS, sizeof(void *) * 2);
args[0] = ospf6;
args[1] = (void *)((ptrdiff_t)type);
@@ -903,12 +923,13 @@ static void ospf6_asbr_routemap_update(const char *mapname)
ospf6->rmap[type].map = route_map_lookup_by_name(
ospf6->rmap[type].name);
- if (mapname && ospf6->rmap[type].map &&
- (strcmp(ospf6->rmap[type].name, mapname) == 0)) {
+ if (mapname && ospf6->rmap[type].map
+ && (strcmp(ospf6->rmap[type].name, mapname) == 0)) {
if (IS_OSPF6_DEBUG_ASBR)
- zlog_debug("%s: route-map %s update, reset redist %s",
- __PRETTY_FUNCTION__, mapname,
- ZROUTE_NAME(type));
+ zlog_debug(
+ "%s: route-map %s update, reset redist %s",
+ __PRETTY_FUNCTION__, mapname,
+ ZROUTE_NAME(type));
ospf6_asbr_distribute_list_update(type);
}
} else
@@ -923,8 +944,8 @@ static void ospf6_asbr_routemap_event(route_map_event_t event, const char *name)
if (ospf6 == NULL)
return;
for (type = 0; type < ZEBRA_ROUTE_MAX; type++) {
- if ((ospf6->rmap[type].name) &&
- (strcmp(ospf6->rmap[type].name, name) == 0)) {
+ if ((ospf6->rmap[type].name)
+ && (strcmp(ospf6->rmap[type].name, name) == 0)) {
ospf6_asbr_distribute_list_update(type);
}
}
@@ -1064,8 +1085,9 @@ void ospf6_asbr_redistribute_add(int type, ifindex_t ifindex,
inet_ntop(AF_INET, &prefix_id.u.prefix4, ibuf,
sizeof(ibuf));
prefix2str(prefix, pbuf, sizeof(pbuf));
- zlog_debug("Advertise as AS-External Id:%s prefix %s metric %u",
- ibuf, pbuf, match->path.metric_type);
+ zlog_debug(
+ "Advertise as AS-External Id:%s prefix %s metric %u",
+ ibuf, pbuf, match->path.metric_type);
}
match->path.origin.id = htonl(info->id);
@@ -1797,8 +1819,7 @@ struct ospf6_lsa_handler as_external_handler = {
.lh_short_name = "ASE",
.lh_show = ospf6_as_external_lsa_show,
.lh_get_prefix_str = ospf6_as_external_lsa_get_prefix_str,
- .lh_debug = 0
-};
+ .lh_debug = 0};
void ospf6_asbr_init(void)
{
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-09 07:12:03 +0000