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diff --git a/src/vnet/lisp-gpe/lisp_gpe_tenant.h b/src/vnet/lisp-gpe/lisp_gpe_tenant.h
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+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __LISP_GPE_TENANT_H__
+#define __LISP_GPE_TENANT_H__
+
+#include <vnet/lisp-gpe/lisp_gpe.h>
+
+/**
+ * Refernece counting lock types on the tenant.
+ * When all of these counters drop to zero, we no longer need the tenant.
+ */
+typedef enum lisp_gpe_tenant_lock_t_
+{
+  LISP_GPE_TENANT_LOCK_L2_IFACE,
+  LISP_GPE_TENANT_LOCK_L3_IFACE,
+  LISP_GPE_TENANT_LOCK_NUM,
+} lisp_gpe_tenant_lock_t;
+
+/**
+ * @brief Representation of the data associated with a LISP overlay tenant
+ *
+ * This object exists to manage the shared resources of the L2 and L3 interface
+ * of a given tenant.
+ */
+typedef struct lisp_gpe_tenant_t_
+{
+  /**
+   * The VNI is the identifier of the tenant
+   */
+  u32 lt_vni;
+
+  /**
+   * The tenant can have both L2 and L3 services enabled.
+   */
+  u32 lt_table_id;
+  u32 lt_bd_id;
+
+  /**
+   * The number of locks on the tenant's L3 interface.
+   */
+  u32 lt_locks[LISP_GPE_TENANT_LOCK_NUM];
+
+  /**
+   * The L3 SW interface index
+   */
+  u32 lt_l3_sw_if_index;
+
+  /**
+   * The L2 SW interface index
+   */
+  u32 lt_l2_sw_if_index;
+
+} lisp_gpe_tenant_t;
+
+extern u32 lisp_gpe_tenant_find_or_create (u32 vni);
+
+extern u32 lisp_gpe_tenant_l3_iface_add_or_lock (u32 vni, u32 vrf);
+extern void lisp_gpe_tenant_l3_iface_unlock (u32 vni);
+
+extern u32 lisp_gpe_tenant_l2_iface_add_or_lock (u32 vni, u32 vrf);
+extern void lisp_gpe_tenant_l2_iface_unlock (u32 vni);
+
+extern const lisp_gpe_tenant_t *lisp_gpe_tenant_get (u32 index);
+
+extern void lisp_gpe_tenant_flush (void);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
+
+#endif