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diff --git a/src/vnet/adj/adj_internal.h b/src/vnet/adj/adj_internal.h
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+++ b/src/vnet/adj/adj_internal.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 __ADJ_INTERNAL_H__
+#define __ADJ_INTERNAL_H__
+
+#include <vnet/adj/adj.h>
+#include <vnet/ip/ip.h>
+#include <vnet/mpls/mpls.h>
+#include <vnet/adj/adj_l2.h>
+
+
+/**
+ * big switch to turn on Adjacency debugging
+ */
+#undef ADJ_DEBUG
+
+/*
+ * Debug macro
+ */
+#ifdef ADJ_DEBUG
+#define ADJ_DBG(_adj, _fmt, _args...)		\
+{						\
+    clib_warning("adj:[%d:%p]:" _fmt,		\
+		 _adj - adj_pool, _adj,		\
+		 ##_args);			\
+}
+#else
+#define ADJ_DBG(_e, _fmt, _args...)
+#endif
+
+static inline u32
+adj_get_rewrite_node (vnet_link_t linkt)
+{
+    switch (linkt) {
+    case VNET_LINK_IP4:
+	return (ip4_rewrite_node.index);
+    case VNET_LINK_IP6:
+	return (ip6_rewrite_node.index);
+    case VNET_LINK_MPLS:
+	return (mpls_output_node.index);
+    case VNET_LINK_ETHERNET:
+	return (adj_l2_rewrite_node.index);
+    case VNET_LINK_ARP:
+	break;
+    }
+    ASSERT(0);
+    return (0);
+}
+
+static inline vnet_link_t
+adj_fib_proto_2_nd (fib_protocol_t fp)
+{
+    switch (fp)
+    {
+    case FIB_PROTOCOL_IP4:
+	return (VNET_LINK_ARP);
+    case FIB_PROTOCOL_IP6:
+	return (VNET_LINK_IP6);
+    case FIB_PROTOCOL_MPLS:
+	return (VNET_LINK_MPLS);
+    }
+    return (0);
+}
+
+/**
+ * @brief
+ * Get a pointer to an adjacency object from its index
+ */
+static inline adj_index_t
+adj_get_index (ip_adjacency_t *adj)
+{
+    return (adj - adj_pool);
+}
+
+extern void adj_nbr_update_rewrite_internal (ip_adjacency_t *adj,
+					     ip_lookup_next_t adj_next_index,
+					     u32 complete_next_index,
+					     u32 next_index,
+					     u8 *rewrite);
+
+extern ip_adjacency_t * adj_alloc(fib_protocol_t proto);
+
+extern void adj_nbr_remove(adj_index_t ai,
+                           fib_protocol_t nh_proto,
+			   vnet_link_t link_type,
+			   const ip46_address_t *nh_addr,
+			   u32 sw_if_index);
+extern void adj_glean_remove(fib_protocol_t proto,
+			     u32 sw_if_index);
+
+#endif