BIER

[vpp.git] / src / vnet / bier / bier_fmask_db.h

diff --git a/src/vnet/bier/bier_fmask_db.h b/src/vnet/bier/bier_fmask_db.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.
+ */
+/**
+ * @brief bier_fmask_db : The BIER fmask Database
+ */
+
+#ifndef __BIER_FMASK_DB_H__
+#define __BIER_FMASK_DB_H__
+
+#include <vnet/ip/ip.h>
+
+#include <vnet/bier/bier_types.h>
+
+/**
+ * Foward declarations
+ */
+struct bier_fmask_t_;
+
+typedef enum bier_hdr_type_t_ {
+    BIER_HDR_IN_IP6,
+    BIER_HDR_O_MPLS,
+} bier_hdr_type_t;
+
+typedef struct bier_fmask_id_t_ {
+    /**
+     * Type of BIER header this fmask supports
+     */
+    bier_hdr_type_t bfmi_hdr_type;
+
+    /**
+     * next-hop of the peer
+     */
+    ip46_address_t bfmi_nh;
+} bier_fmask_id_t;
+
+extern u32
+bier_fmask_db_find_or_create_and_lock(index_t bti,
+                                      const bier_fmask_id_t *fmid,
+                                      const fib_route_path_t *rpath);
+
+extern u32
+bier_fmask_db_find(index_t bti,
+                   const bier_fmask_id_t *fmid);
+
+extern void
+bier_fmask_db_remove(index_t bti,
+                     const bier_fmask_id_t *fmid);
+
+#endif