#include "lib/logicalrouter.h"
#include "lib/prefix.h"
#include "lib/memory.h"
-#include "lib/lib_errors.h"
#include "rtadv.h"
#include "zebra_ns.h"
DEFINE_MTYPE(ZEBRA, ZEBRA_NS, "Zebra Name Space")
-static inline int zebra_ns_table_entry_compare(const struct zebra_ns_table *e1,
- const struct zebra_ns_table *e2);
-
-RB_GENERATE(zebra_ns_table_head, zebra_ns_table, zebra_ns_table_entry,
- zebra_ns_table_entry_compare);
-
static struct zebra_ns *dzns;
-static inline int zebra_ns_table_entry_compare(const struct zebra_ns_table *e1,
- const struct zebra_ns_table *e2)
-{
- if (e1->tableid < e2->tableid)
- return -1;
- if (e1->tableid > e2->tableid)
- return 1;
- if (e1->ns_id < e2->ns_id)
- return -1;
- if (e1->ns_id > e2->ns_id)
- return 1;
- return (e1->afi - e2->afi);
-}
-
static int logicalrouter_config_write(struct vty *vty);
+static int zebra_ns_disable_internal(struct zebra_ns *zns, bool complete);
struct zebra_ns *zebra_ns_lookup(ns_id_t ns_id)
{
/* Do any needed per-NS data structure allocation. */
zns->if_table = route_table_init();
- zebra_vxlan_ns_init(zns);
return 0;
}
zlog_info("ZNS %s with id %u (disabled)", ns->name, ns->ns_id);
if (!zns)
return 0;
- return zebra_ns_disable(ns->ns_id, (void **)&zns);
+ return zebra_ns_disable_internal(zns, true);
}
/* Do global enable actions - open sockets, read kernel config etc. */
zns->ns_id = ns_id;
- zns->rules_hash =
- hash_create_size(8, zebra_pbr_rules_hash_key,
- zebra_pbr_rules_hash_equal, "Rules Hash");
-
- zns->ipset_hash =
- hash_create_size(8, zebra_pbr_ipset_hash_key,
- zebra_pbr_ipset_hash_equal, "IPset Hash");
-
- zns->ipset_entry_hash =
- hash_create_size(8, zebra_pbr_ipset_entry_hash_key,
- zebra_pbr_ipset_entry_hash_equal,
- "IPset Hash Entry");
-
- zns->iptable_hash =
- hash_create_size(8, zebra_pbr_iptable_hash_key,
- zebra_pbr_iptable_hash_equal,
- "IPtable Hash Entry");
-
#if defined(HAVE_RTADV)
rtadv_init(zns);
#endif
return 0;
}
-struct route_table *zebra_ns_find_table(struct zebra_ns *zns, uint32_t tableid,
- afi_t afi)
-{
- struct zebra_ns_table finder;
- struct zebra_ns_table *znst;
-
- memset(&finder, 0, sizeof(finder));
- finder.afi = afi;
- finder.tableid = tableid;
- finder.ns_id = zns->ns_id;
- znst = RB_FIND(zebra_ns_table_head, &zns->ns_tables, &finder);
-
- if (znst)
- return znst->table;
- else
- return NULL;
-}
-
-unsigned long zebra_ns_score_proto(uint8_t proto, unsigned short instance)
+/* Common handler for ns disable - this can be called during ns config,
+ * or during zebra shutdown.
+ */
+static int zebra_ns_disable_internal(struct zebra_ns *zns, bool complete)
{
- struct zebra_ns *zns;
- struct zebra_ns_table *znst;
- unsigned long cnt = 0;
-
- zns = zebra_ns_lookup(NS_DEFAULT);
-
- RB_FOREACH (znst, zebra_ns_table_head, &zns->ns_tables) {
- if (znst->ns_id != NS_DEFAULT)
- continue;
- cnt += rib_score_proto_table(proto, instance, znst->table);
- }
- return cnt;
-}
+ route_table_finish(zns->if_table);
+#if defined(HAVE_RTADV)
+ rtadv_terminate(zns);
+#endif
-void zebra_ns_sweep_route(void)
-{
- struct zebra_ns_table *znst;
- struct zebra_ns *zns;
+ kernel_terminate(zns, complete);
- zns = zebra_ns_lookup(NS_DEFAULT);
+ table_manager_disable(zns->ns_id);
- RB_FOREACH (znst, zebra_ns_table_head, &zns->ns_tables) {
- if (znst->ns_id != NS_DEFAULT)
- continue;
- rib_sweep_table(znst->table);
- }
-}
+ zns->ns_id = NS_DEFAULT;
-struct route_table *zebra_ns_get_table(struct zebra_ns *zns,
- struct zebra_vrf *zvrf, uint32_t tableid,
- afi_t afi)
-{
- struct zebra_ns_table finder;
- struct zebra_ns_table *znst;
- rib_table_info_t *info;
-
- memset(&finder, 0, sizeof(finder));
- finder.afi = afi;
- finder.tableid = tableid;
- finder.ns_id = zns->ns_id;
- znst = RB_FIND(zebra_ns_table_head, &zns->ns_tables, &finder);
-
- if (znst)
- return znst->table;
-
- znst = XCALLOC(MTYPE_ZEBRA_NS, sizeof(*znst));
- znst->tableid = tableid;
- znst->afi = afi;
- znst->ns_id = zns->ns_id;
- znst->table =
- (afi == AFI_IP6) ? srcdest_table_init() : route_table_init();
-
- info = XCALLOC(MTYPE_RIB_TABLE_INFO, sizeof(*info));
- info->zvrf = zvrf;
- info->afi = afi;
- info->safi = SAFI_UNICAST;
- znst->table->info = info;
- znst->table->cleanup = zebra_rtable_node_cleanup;
-
- RB_INSERT(zebra_ns_table_head, &zns->ns_tables, znst);
- return znst->table;
+ return 0;
}
-static void zebra_ns_free_table(struct zebra_ns_table *znst)
+/* During zebra shutdown, do partial cleanup while the async dataplane
+ * is still running.
+ */
+int zebra_ns_early_shutdown(struct ns *ns)
{
- void *table_info;
+ struct zebra_ns *zns = ns->info;
- rib_close_table(znst->table);
+ if (zns == NULL)
+ return 0;
- table_info = znst->table->info;
- route_table_finish(znst->table);
- XFREE(MTYPE_RIB_TABLE_INFO, table_info);
- XFREE(MTYPE_ZEBRA_NS, znst);
+ return zebra_ns_disable_internal(zns, false);
}
-int zebra_ns_disable(ns_id_t ns_id, void **info)
+/* During zebra shutdown, do final cleanup
+ * after all dataplane work is complete.
+ */
+int zebra_ns_final_shutdown(struct ns *ns)
{
- struct zebra_ns_table *znst, *tmp;
- struct zebra_ns *zns = (struct zebra_ns *)(*info);
-
- hash_clean(zns->rules_hash, zebra_pbr_rules_free);
- hash_free(zns->rules_hash);
- hash_clean(zns->ipset_entry_hash,
- zebra_pbr_ipset_entry_free),
- hash_clean(zns->ipset_hash, zebra_pbr_ipset_free);
- hash_free(zns->ipset_hash);
- hash_free(zns->ipset_entry_hash);
- hash_clean(zns->iptable_hash,
- zebra_pbr_iptable_free);
- hash_free(zns->iptable_hash);
-
- RB_FOREACH_SAFE (znst, zebra_ns_table_head, &zns->ns_tables, tmp) {
- if (znst->ns_id != ns_id)
- continue;
- RB_REMOVE(zebra_ns_table_head, &zns->ns_tables, znst);
- zebra_ns_free_table(znst);
- }
-
- route_table_finish(zns->if_table);
- zebra_vxlan_ns_disable(zns);
-#if defined(HAVE_RTADV)
- rtadv_terminate(zns);
-#endif
-
- kernel_terminate(zns);
+ struct zebra_ns *zns = ns->info;
- table_manager_disable(zns->ns_id);
+ if (zns == NULL)
+ return 0;
- zns->ns_id = NS_DEFAULT;
+ kernel_terminate(zns, true);
return 0;
}
-
int zebra_ns_init(void)
{
ns_id_t ns_id;
/* Do any needed per-NS data structure allocation. */
dzns->if_table = route_table_init();
- zebra_vxlan_ns_init(dzns);
/* Register zebra VRF callbacks, create and activate default VRF. */
zebra_vrf_init();
zebra_ns_notify_parse();
zebra_ns_notify_init();
}
+
return 0;
}
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