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diff --git a/src/dpdk_lib18/librte_eal/common/include/rte_tailq.h b/src/dpdk_lib18/librte_eal/common/include/rte_tailq.h
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+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _RTE_TAILQ_H_
+#define _RTE_TAILQ_H_
+
+/**
+ * @file
+ *  Here defines rte_tailq APIs for only internal use
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/queue.h>
+#include <stdio.h>
+
+/** dummy structure type used by the rte_tailq APIs */
+struct rte_tailq_entry {
+	TAILQ_ENTRY(rte_tailq_entry) next; /**< Pointer entries for a tailq list */
+	void *data; /**< Pointer to the data referenced by this tailq entry */
+};
+/** dummy */
+TAILQ_HEAD(rte_tailq_entry_head, rte_tailq_entry);
+
+#define RTE_TAILQ_NAMESIZE 32
+
+/**
+ * The structure defining a tailq header entry for storing
+ * in the rte_config structure in shared memory. Each tailq
+ * is identified by name.
+ * Any library storing a set of objects e.g. rings, mempools, hash-tables,
+ * is recommended to use an entry here, so as to make it easy for
+ * a multi-process app to find already-created elements in shared memory.
+ */
+struct rte_tailq_head {
+	struct rte_tailq_entry_head tailq_head; /**< NOTE: must be first element */
+};
+
+/**
+ * Utility macro to make reserving a tailqueue for a particular struct easier.
+ *
+ * @param name
+ *   The name to be given to the tailq - used by lookup to find it later
+ *
+ * @param struct_name
+ *   The name of the list type we are using. (Generally this is the same as the
+ *   first parameter passed to TAILQ_HEAD macro)
+ *
+ * @return
+ *   The return value from rte_eal_tailq_reserve, typecast to the appropriate
+ *   structure pointer type.
+ *   NULL on error, since the tailq_head is the first
+ *   element in the rte_tailq_head structure.
+ */
+#define RTE_TAILQ_RESERVE(name, struct_name) \
+	(struct struct_name *)(&rte_eal_tailq_reserve(name)->tailq_head)
+
+/**
+ * Utility macro to make reserving a tailqueue for a particular struct easier.
+ *
+ * @param idx
+ *   The tailq idx defined in rte_tail_t to be given to the tail queue.
+ *       - used by lookup to find it later
+ *
+ * @param struct_name
+ *   The name of the list type we are using. (Generally this is the same as the
+ *   first parameter passed to TAILQ_HEAD macro)
+ *
+ * @return
+ *   The return value from rte_eal_tailq_reserve, typecast to the appropriate
+ *   structure pointer type.
+ *   NULL on error, since the tailq_head is the first
+ *   element in the rte_tailq_head structure.
+ */
+#define RTE_TAILQ_RESERVE_BY_IDX(idx, struct_name) \
+	(struct struct_name *)(&rte_eal_tailq_reserve_by_idx(idx)->tailq_head)
+
+/**
+ * Utility macro to make looking up a tailqueue for a particular struct easier.
+ *
+ * @param name
+ *   The name of tailq
+ *
+ * @param struct_name
+ *   The name of the list type we are using. (Generally this is the same as the
+ *   first parameter passed to TAILQ_HEAD macro)
+ *
+ * @return
+ *   The return value from rte_eal_tailq_lookup, typecast to the appropriate
+ *   structure pointer type.
+ *   NULL on error, since the tailq_head is the first
+ *   element in the rte_tailq_head structure.
+ */
+#define RTE_TAILQ_LOOKUP(name, struct_name) \
+	(struct struct_name *)(&rte_eal_tailq_lookup(name)->tailq_head)
+
+/**
+ * Utility macro to make looking up a tailqueue for a particular struct easier.
+ *
+ * @param idx
+ *   The tailq idx defined in rte_tail_t to be given to the tail queue.
+ *
+ * @param struct_name
+ *   The name of the list type we are using. (Generally this is the same as the
+ *   first parameter passed to TAILQ_HEAD macro)
+ *
+ * @return
+ *   The return value from rte_eal_tailq_lookup, typecast to the appropriate
+ *   structure pointer type.
+ *   NULL on error, since the tailq_head is the first
+ *   element in the rte_tailq_head structure.
+ */
+#define RTE_TAILQ_LOOKUP_BY_IDX(idx, struct_name) \
+	(struct struct_name *)(&rte_eal_tailq_lookup_by_idx(idx)->tailq_head)
+
+/**
+ * Reserve a slot in the tailq list for a particular tailq header
+ * Note: this function, along with rte_tailq_lookup, is not multi-thread safe,
+ * and both these functions should only be called from a single thread at a time
+ *
+ * @param name
+ *   The name to be given to the tail queue.
+ * @return
+ *   A pointer to the newly reserved tailq entry
+ */
+struct rte_tailq_head *rte_eal_tailq_reserve(const char *name);
+
+/**
+ * Reserve a slot in the tailq list for a particular tailq header
+ * Note: this function, along with rte_tailq_lookup, is not multi-thread safe,
+ * and both these functions should only be called from a single thread at a time
+ *
+ * @param idx
+ *   The tailq idx defined in rte_tail_t to be given to the tail queue.
+ * @return
+ *   A pointer to the newly reserved tailq entry
+ */
+struct rte_tailq_head *rte_eal_tailq_reserve_by_idx(const unsigned idx);
+
+/**
+ * Dump tail queues to the console.
+ *
+ * @param f
+ *   A pointer to a file for output
+ */
+void rte_dump_tailq(FILE *f);
+
+/**
+ * Lookup for a tail queue.
+ *
+ * Get a pointer to a tail queue header of an already reserved tail
+ * queue identified by the name given as an argument.
+ * Note: this function, along with rte_tailq_reserve, is not multi-thread safe,
+ * and both these functions should only be called from a single thread at a time
+ *
+ * @param name
+ *   The name of the queue.
+ * @return
+ *   A pointer to the tail queue head structure.
+ */
+struct rte_tailq_head *rte_eal_tailq_lookup(const char *name);
+
+/**
+ * Lookup for a tail queue.
+ *
+ * Get a pointer to a tail queue header of an already reserved tail
+ * queue identified by the name given as an argument.
+ * Note: this function, along with rte_tailq_reserve, is not multi-thread safe,
+ * and both these functions should only be called from a single thread at a time
+ *
+ * @param idx
+ *   The tailq idx defined in rte_tail_t to be given to the tail queue.
+ * @return
+ *   A pointer to the tail queue head structure.
+ */
+struct rte_tailq_head *rte_eal_tailq_lookup_by_idx(const unsigned idx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_TAILQ_H_ */