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diff --git a/examples/l2fwd-ivshmem/include/common.h b/examples/l2fwd-ivshmem/include/common.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 _IVSHMEM_COMMON_H_
+#define _IVSHMEM_COMMON_H_
+
+#define RTE_LOGTYPE_L2FWD_IVSHMEM RTE_LOGTYPE_USER1
+
+#define CTRL_MZ_NAME "CTRL_MEMZONE"
+#define MBUF_MP_NAME "MBUF_MEMPOOL"
+#define RX_RING_PREFIX "RX_"
+#define TX_RING_PREFIX "TX_"
+
+/* A tsc-based timer responsible for triggering statistics printout */
+#define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
+#define MAX_TIMER_PERIOD 86400 /* 1 day max */
+static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
+
+#define DIM(x)\
+ (sizeof(x)/sizeof(x)[0])
+
+#define MAX_PKT_BURST 32
+
+const struct rte_memzone * ctrl_mz;
+
+enum l2fwd_state {
+ STATE_NONE = 0,
+ STATE_FWD,
+ STATE_EXIT,
+ STATE_FAIL
+};
+
+/* Per-port statistics struct */
+struct port_statistics {
+ uint64_t tx;
+ uint64_t rx;
+ uint64_t dropped;
+} __rte_cache_aligned;
+
+struct mbuf_table {
+ unsigned len;
+ struct rte_mbuf *m_table[MAX_PKT_BURST * 2]; /**< allow up to two bursts */
+};
+
+struct vm_port_param {
+ struct rte_ring * rx_ring; /**< receiving ring for current port */
+ struct rte_ring * tx_ring; /**< transmitting ring for current port */
+ struct vm_port_param * dst; /**< current port's destination port */
+ volatile struct port_statistics stats; /**< statistics for current port */
+ struct ether_addr ethaddr; /**< Ethernet address of the port */
+};
+
+/* control structure, to synchronize host and VM */
+struct ivshmem_ctrl {
+ rte_spinlock_t lock;
+ uint8_t nb_ports; /**< total nr of ports */
+ volatile enum l2fwd_state state; /**< report state */
+ struct vm_port_param vm_ports[RTE_MAX_ETHPORTS];
+};
+
+struct ivshmem_ctrl * ctrl;
+
+static unsigned int l2fwd_ivshmem_rx_queue_per_lcore = 1;
+
+static void sighandler(int __rte_unused s)
+{
+ ctrl->state = STATE_EXIT;
+}
+
+static void sigsetup(void)
+{
+ struct sigaction sigIntHandler;
+
+ sigIntHandler.sa_handler = sighandler;
+ sigemptyset(&sigIntHandler.sa_mask);
+ sigIntHandler.sa_flags = 0;
+
+ sigaction(SIGINT, &sigIntHandler, NULL);
+}
+
+#endif /* _IVSHMEM_COMMON_H_ */