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+/*
+ * Copyright (c) 2013 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 included_vnet_l2_emulation_h
+#define included_vnet_l2_emulation_h
+
+#include <vlib/vlib.h>
+#include <vnet/vnet.h>
+
+/**
+ * L2 Emulation is a feautre that is applied to L2 ports to 'extract'
+ * IP packets from the L2 path and inject them into the L3 path (i.e.
+ * into the appropriate ip[4|6]_input node).
+ * L3 routes in the table_id for that interface should then be configured
+ * as DVR routes, therefore the forwarded packet has the L2 header
+ * preserved and togehter the L3 routed system behaves like an L2 bridge.
+ */
+extern void l2_emulation_enable (u32 sw_if_index);
+extern void l2_emulation_disable (u32 sw_if_index);
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */