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diff --git a/src/vnet/l2/l2_xcrw.h b/src/vnet/l2/l2_xcrw.h
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+/*
+ * Copyright (c) 2015 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_l2_xcrw_h__
+#define __included_l2_xcrw_h__
+
+#include <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
+#include <vppinfra/error.h>
+#include <vnet/ip/ip.h>
+#include <vnet/l2/l2_input.h>
+#include <vnet/l2/l2_output.h>
+#include <vnet/api_errno.h>
+#include <vnet/ethernet/ethernet.h>
+
+typedef struct
+{
+ /*
+ * Let: rewrite_header.sw_if_index = tx_fib_index or ~0.
+ * rewrite_header.next_index = L2_XCRW_NEXT_XXX
+ */
+ vnet_declare_rewrite (VLIB_BUFFER_PRE_DATA_SIZE);
+} l2_xcrw_adjacency_t;
+
+typedef struct
+{
+ /* L2 interface */
+ u32 l2_sw_if_index;
+
+ /* Tunnel interface */
+ u32 tunnel_sw_if_index; /* This field remains set in freed pool elts */
+
+} l2_xcrw_tunnel_t;
+
+typedef struct
+{
+ u32 cached_next_index;
+
+ /* Vector of cross-connect rewrites */
+ l2_xcrw_adjacency_t *adj_by_sw_if_index;
+
+ /* Pool of xcrw tunnels */
+ l2_xcrw_tunnel_t *tunnels;
+
+ /* Tunnel index by tunnel sw_if_index */
+ uword *tunnel_index_by_l2_sw_if_index;
+
+ /* convenience variables */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+} l2_xcrw_main_t;
+
+typedef enum
+{
+ L2_XCRW_NEXT_DROP,
+ L2_XCRW_N_NEXT,
+} l2_xcrw_next_t;
+
+#define foreach_l2_xcrw_error \
+_(DROP, "Packets dropped") \
+_(FWD, "Packets forwarded")
+
+typedef enum
+{
+#define _(sym,str) L2_XCRW_ERROR_##sym,
+ foreach_l2_xcrw_error
+#undef _
+ L2_XCRW_N_ERROR,
+} l2_xcrw_error_t;
+
+#endif /* __included_l2_xcrw_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */