Merge pull request #5789 from donaldsharp/bgp_ebgp_reason

[mirror_frr.git] / zebra / zebra_vrf.c

diff --git a/zebra/zebra_vrf.c b/zebra/zebra_vrf.c
index f425c0e49e39465ca882ab5c7d4d03755edcb996..c392303760503c4b33812a66aeb408b6cceef46a 100644 (file)
--- a/zebra/zebra_vrf.c
+++ b/zebra/zebra_vrf.c
@@ -343,13 +343,12 @@ int zebra_vrf_has_config(struct zebra_vrf *zvrf)
  * - case VRF backend is default : on default VRF only
  * - case VRF backend is netns : on all VRFs
  */
-struct route_table *zebra_vrf_table_with_table_id(afi_t afi, safi_t safi,
-                                                 vrf_id_t vrf_id,
-                                                 uint32_t table_id)
+struct route_table *zebra_vrf_lookup_table_with_table_id(afi_t afi, safi_t safi,
+                                                        vrf_id_t vrf_id,
+                                                        uint32_t table_id)
 {
        struct zebra_vrf *zvrf = vrf_info_lookup(vrf_id);
        struct other_route_table ort, *otable;
-       struct route_table *table;
 
        if (!zvrf)
                return NULL;
@@ -364,9 +363,28 @@ struct route_table *zebra_vrf_table_with_table_id(afi_t afi, safi_t safi,
        ort.safi = safi;
        ort.table_id = table_id;
        otable = otable_find(&zvrf->other_tables, &ort);
+
        if (otable)
                return otable->table;
 
+       return NULL;
+}
+
+struct route_table *zebra_vrf_get_table_with_table_id(afi_t afi, safi_t safi,
+                                                     vrf_id_t vrf_id,
+                                                     uint32_t table_id)
+{
+       struct zebra_vrf *zvrf = vrf_info_lookup(vrf_id);
+       struct other_route_table *otable;
+       struct route_table *table;
+
+       table = zebra_vrf_lookup_table_with_table_id(afi, safi, vrf_id,
+                                                    table_id);
+
+       if (table)
+               goto done;
+
+       /* Create it as an `other` table */
        table = zebra_router_get_table(zvrf, table_id, afi, safi);
 
        otable = XCALLOC(MTYPE_OTHER_TABLE, sizeof(*otable));
@@ -376,6 +394,7 @@ struct route_table *zebra_vrf_table_with_table_id(afi_t afi, safi_t safi,
        otable->table = table;
        otable_add(&zvrf->other_tables, otable);
 
+done:
        return table;
 }