1 files changed, 91 insertions, 0 deletions
diff --git a/src/vnet/l2/l2_xcrw.h b/src/vnet/l2/l2_xcrw.h
new file mode 100644
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+++ b/src/vnet/l2/l2_xcrw.h
@@ -0,0 +1,91 @@
+/*
+ * 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:
+ */